M: Tom Warren <twarren@nvidia.com>
S: Maintained
T: git git://git.denx.de/u-boot-tegra.git
-F: arch/arm/cpu/arm720t/tegra*/
-F: arch/arm/cpu/armv7/tegra*/
-F: arch/arm/cpu/tegra*/
+F: arch/arm/mach-tegra/
F: arch/arm/include/asm/arch-tegra*/
ARM TI
source "arch/arm/cpu/armv7/s5pc1xx/Kconfig"
-source "arch/arm/cpu/armv7/tegra-common/Kconfig"
+source "arch/arm/mach-tegra/Kconfig"
source "arch/arm/cpu/armv7/uniphier/Kconfig"
# Machine directory name. This list is sorted alphanumerically
# by CONFIG_* macro name.
machine-$(CONFIG_ARCH_AT91) += at91
+# TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
+machine-$(CONFIG_TEGRA) += tegra
machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
-obj-$(CONFIG_TEGRA20) += tegra20-common/
-obj-$(CONFIG_TEGRA30) += tegra30-common/
-obj-$(CONFIG_TEGRA114) += tegra114-common/
-obj-$(CONFIG_TEGRA124) += tegra124-common/
-obj-$(CONFIG_TEGRA) += tegra-common/
+obj- += dummy.o
extra-y = start.o
obj-y = interrupts.o cpu.o
-
-obj-$(CONFIG_TEGRA) += tegra-common/
-obj-$(CONFIG_TEGRA20) += tegra20/
-obj-$(CONFIG_TEGRA30) += tegra30/
-obj-$(CONFIG_TEGRA114) += tegra114/
-obj-$(CONFIG_TEGRA124) += tegra124/
+++ /dev/null
-#
-# (C) Copyright 2010,2011 Nvidia Corporation.
-#
-# (C) Copyright 2000-2008
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-obj-$(CONFIG_SPL_BUILD) += spl.o
-obj-y += cpu.o
+++ /dev/null
-/*
- * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/gp_padctrl.h>
-#include <asm/arch/pinmux.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/clk_rst.h>
-#include <asm/arch-tegra/pmc.h>
-#include <asm/arch-tegra/scu.h>
-#include "cpu.h"
-
-int get_num_cpus(void)
-{
- struct apb_misc_gp_ctlr *gp;
- uint rev;
-
- gp = (struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
- rev = (readl(&gp->hidrev) & HIDREV_CHIPID_MASK) >> HIDREV_CHIPID_SHIFT;
-
- switch (rev) {
- case CHIPID_TEGRA20:
- return 2;
- break;
- case CHIPID_TEGRA30:
- case CHIPID_TEGRA114:
- default:
- return 4;
- break;
- }
-}
-
-/*
- * Timing tables for each SOC for all four oscillator options.
- */
-struct clk_pll_table tegra_pll_x_table[TEGRA_SOC_CNT][CLOCK_OSC_FREQ_COUNT] = {
- /*
- * T20: 1 GHz
- *
- * Register Field Bits Width
- * ------------------------------
- * PLLX_BASE p 22:20 3
- * PLLX_BASE n 17: 8 10
- * PLLX_BASE m 4: 0 5
- * PLLX_MISC cpcon 11: 8 4
- */
- {
- { .n = 1000, .m = 13, .p = 0, .cpcon = 12 }, /* OSC: 13.0 MHz */
- { .n = 625, .m = 12, .p = 0, .cpcon = 8 }, /* OSC: 19.2 MHz */
- { .n = 1000, .m = 12, .p = 0, .cpcon = 12 }, /* OSC: 12.0 MHz */
- { .n = 1000, .m = 26, .p = 0, .cpcon = 12 }, /* OSC: 26.0 MHz */
- },
- /*
- * T25: 1.2 GHz
- *
- * Register Field Bits Width
- * ------------------------------
- * PLLX_BASE p 22:20 3
- * PLLX_BASE n 17: 8 10
- * PLLX_BASE m 4: 0 5
- * PLLX_MISC cpcon 11: 8 4
- */
- {
- { .n = 923, .m = 10, .p = 0, .cpcon = 12 }, /* OSC: 13.0 MHz */
- { .n = 750, .m = 12, .p = 0, .cpcon = 8 }, /* OSC: 19.2 MHz */
- { .n = 600, .m = 6, .p = 0, .cpcon = 12 }, /* OSC: 12.0 MHz */
- { .n = 600, .m = 13, .p = 0, .cpcon = 12 }, /* OSC: 26.0 MHz */
- },
- /*
- * T30: 600 MHz
- *
- * Register Field Bits Width
- * ------------------------------
- * PLLX_BASE p 22:20 3
- * PLLX_BASE n 17: 8 10
- * PLLX_BASE m 4: 0 5
- * PLLX_MISC cpcon 11: 8 4
- */
- {
- { .n = 600, .m = 13, .p = 0, .cpcon = 8 }, /* OSC: 13.0 MHz */
- { .n = 500, .m = 16, .p = 0, .cpcon = 8 }, /* OSC: 19.2 MHz */
- { .n = 600, .m = 12, .p = 0, .cpcon = 8 }, /* OSC: 12.0 MHz */
- { .n = 600, .m = 26, .p = 0, .cpcon = 8 }, /* OSC: 26.0 MHz */
- },
- /*
- * T114: 700 MHz
- *
- * Register Field Bits Width
- * ------------------------------
- * PLLX_BASE p 23:20 4
- * PLLX_BASE n 15: 8 8
- * PLLX_BASE m 7: 0 8
- */
- {
- { .n = 108, .m = 1, .p = 1 }, /* OSC: 13.0 MHz */
- { .n = 73, .m = 1, .p = 1 }, /* OSC: 19.2 MHz */
- { .n = 116, .m = 1, .p = 1 }, /* OSC: 12.0 MHz */
- { .n = 108, .m = 2, .p = 1 }, /* OSC: 26.0 MHz */
- },
-
- /*
- * T124: 700 MHz
- *
- * Register Field Bits Width
- * ------------------------------
- * PLLX_BASE p 23:20 4
- * PLLX_BASE n 15: 8 8
- * PLLX_BASE m 7: 0 8
- */
- {
- { .n = 108, .m = 1, .p = 1 }, /* OSC: 13.0 MHz */
- { .n = 73, .m = 1, .p = 1 }, /* OSC: 19.2 MHz */
- { .n = 116, .m = 1, .p = 1 }, /* OSC: 12.0 MHz */
- { .n = 108, .m = 2, .p = 1 }, /* OSC: 26.0 MHz */
- },
-};
-
-static inline void pllx_set_iddq(void)
-{
-#if defined(CONFIG_TEGRA124)
- struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 reg;
-
- /* Disable IDDQ */
- reg = readl(&clkrst->crc_pllx_misc3);
- reg &= ~PLLX_IDDQ_MASK;
- writel(reg, &clkrst->crc_pllx_misc3);
- udelay(2);
- debug("%s: IDDQ: PLLX IDDQ = 0x%08X\n", __func__,
- readl(&clkrst->crc_pllx_misc3));
-#endif
-}
-
-int pllx_set_rate(struct clk_pll_simple *pll , u32 divn, u32 divm,
- u32 divp, u32 cpcon)
-{
- int chip = tegra_get_chip();
- u32 reg;
-
- /* If PLLX is already enabled, just return */
- if (readl(&pll->pll_base) & PLL_ENABLE_MASK) {
- debug("pllx_set_rate: PLLX already enabled, returning\n");
- return 0;
- }
-
- debug(" pllx_set_rate entry\n");
-
- pllx_set_iddq();
-
- /* Set BYPASS, m, n and p to PLLX_BASE */
- reg = PLL_BYPASS_MASK | (divm << PLL_DIVM_SHIFT);
- reg |= ((divn << PLL_DIVN_SHIFT) | (divp << PLL_DIVP_SHIFT));
- writel(reg, &pll->pll_base);
-
- /* Set cpcon to PLLX_MISC */
- if (chip == CHIPID_TEGRA20 || chip == CHIPID_TEGRA30)
- reg = (cpcon << PLL_CPCON_SHIFT);
- else
- reg = 0;
-
- /* Set dccon to PLLX_MISC if freq > 600MHz */
- if (divn > 600)
- reg |= (1 << PLL_DCCON_SHIFT);
- writel(reg, &pll->pll_misc);
-
- /* Disable BYPASS */
- reg = readl(&pll->pll_base);
- reg &= ~PLL_BYPASS_MASK;
- writel(reg, &pll->pll_base);
- debug("pllx_set_rate: base = 0x%08X\n", reg);
-
- /* Set lock_enable to PLLX_MISC */
- reg = readl(&pll->pll_misc);
- reg |= PLL_LOCK_ENABLE_MASK;
- writel(reg, &pll->pll_misc);
- debug("pllx_set_rate: misc = 0x%08X\n", reg);
-
- /* Enable PLLX last, once it's all configured */
- reg = readl(&pll->pll_base);
- reg |= PLL_ENABLE_MASK;
- writel(reg, &pll->pll_base);
- debug("pllx_set_rate: base final = 0x%08X\n", reg);
-
- return 0;
-}
-
-void init_pllx(void)
-{
- struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- struct clk_pll_simple *pll = &clkrst->crc_pll_simple[SIMPLE_PLLX];
- int soc_type, sku_info, chip_sku;
- enum clock_osc_freq osc;
- struct clk_pll_table *sel;
-
- debug("init_pllx entry\n");
-
- /* get SOC (chip) type */
- soc_type = tegra_get_chip();
- debug(" init_pllx: SoC = 0x%02X\n", soc_type);
-
- /* get SKU info */
- sku_info = tegra_get_sku_info();
- debug(" init_pllx: SKU info byte = 0x%02X\n", sku_info);
-
- /* get chip SKU, combo of the above info */
- chip_sku = tegra_get_chip_sku();
- debug(" init_pllx: Chip SKU = %d\n", chip_sku);
-
- /* get osc freq */
- osc = clock_get_osc_freq();
- debug(" init_pllx: osc = %d\n", osc);
-
- /* set pllx */
- sel = &tegra_pll_x_table[chip_sku][osc];
- pllx_set_rate(pll, sel->n, sel->m, sel->p, sel->cpcon);
-}
-
-void enable_cpu_clock(int enable)
-{
- struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 clk;
-
- /*
- * NOTE:
- * Regardless of whether the request is to enable or disable the CPU
- * clock, every processor in the CPU complex except the master (CPU 0)
- * will have it's clock stopped because the AVP only talks to the
- * master.
- */
-
- if (enable) {
- /* Initialize PLLX */
- init_pllx();
-
- /* Wait until all clocks are stable */
- udelay(PLL_STABILIZATION_DELAY);
-
- writel(CCLK_BURST_POLICY, &clkrst->crc_cclk_brst_pol);
- writel(SUPER_CCLK_DIVIDER, &clkrst->crc_super_cclk_div);
- }
-
- /*
- * Read the register containing the individual CPU clock enables and
- * always stop the clocks to CPUs > 0.
- */
- clk = readl(&clkrst->crc_clk_cpu_cmplx);
- clk |= 1 << CPU1_CLK_STP_SHIFT;
- if (get_num_cpus() == 4)
- clk |= (1 << CPU2_CLK_STP_SHIFT) + (1 << CPU3_CLK_STP_SHIFT);
-
- /* Stop/Unstop the CPU clock */
- clk &= ~CPU0_CLK_STP_MASK;
- clk |= !enable << CPU0_CLK_STP_SHIFT;
- writel(clk, &clkrst->crc_clk_cpu_cmplx);
-
- clock_enable(PERIPH_ID_CPU);
-}
-
-static int is_cpu_powered(void)
-{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
-
- return (readl(&pmc->pmc_pwrgate_status) & CPU_PWRED) ? 1 : 0;
-}
-
-static void remove_cpu_io_clamps(void)
-{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
- u32 reg;
-
- /* Remove the clamps on the CPU I/O signals */
- reg = readl(&pmc->pmc_remove_clamping);
- reg |= CPU_CLMP;
- writel(reg, &pmc->pmc_remove_clamping);
-
- /* Give I/O signals time to stabilize */
- udelay(IO_STABILIZATION_DELAY);
-}
-
-void powerup_cpu(void)
-{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
- u32 reg;
- int timeout = IO_STABILIZATION_DELAY;
-
- if (!is_cpu_powered()) {
- /* Toggle the CPU power state (OFF -> ON) */
- reg = readl(&pmc->pmc_pwrgate_toggle);
- reg &= PARTID_CP;
- reg |= START_CP;
- writel(reg, &pmc->pmc_pwrgate_toggle);
-
- /* Wait for the power to come up */
- while (!is_cpu_powered()) {
- if (timeout-- == 0)
- printf("CPU failed to power up!\n");
- else
- udelay(10);
- }
-
- /*
- * Remove the I/O clamps from CPU power partition.
- * Recommended only on a Warm boot, if the CPU partition gets
- * power gated. Shouldn't cause any harm when called after a
- * cold boot according to HW, probably just redundant.
- */
- remove_cpu_io_clamps();
- }
-}
-
-void reset_A9_cpu(int reset)
-{
- /*
- * NOTE: Regardless of whether the request is to hold the CPU in reset
- * or take it out of reset, every processor in the CPU complex
- * except the master (CPU 0) will be held in reset because the
- * AVP only talks to the master. The AVP does not know that there
- * are multiple processors in the CPU complex.
- */
- int mask = crc_rst_cpu | crc_rst_de | crc_rst_debug;
- int num_cpus = get_num_cpus();
- int cpu;
-
- debug("reset_a9_cpu entry\n");
- /* Hold CPUs 1 onwards in reset, and CPU 0 if asked */
- for (cpu = 1; cpu < num_cpus; cpu++)
- reset_cmplx_set_enable(cpu, mask, 1);
- reset_cmplx_set_enable(0, mask, reset);
-
- /* Enable/Disable master CPU reset */
- reset_set_enable(PERIPH_ID_CPU, reset);
-}
-
-void clock_enable_coresight(int enable)
-{
- u32 rst, src = 2;
-
- debug("clock_enable_coresight entry\n");
- clock_set_enable(PERIPH_ID_CORESIGHT, enable);
- reset_set_enable(PERIPH_ID_CORESIGHT, !enable);
-
- if (enable) {
- /*
- * Put CoreSight on PLLP_OUT0 and divide it down as per
- * PLLP base frequency based on SoC type (T20/T30+).
- * Clock divider request would setup CSITE clock as 144MHz
- * for PLLP base 216MHz and 204MHz for PLLP base 408MHz
- */
- src = CLK_DIVIDER(NVBL_PLLP_KHZ, CSITE_KHZ);
- clock_ll_set_source_divisor(PERIPH_ID_CSI, 0, src);
-
- /* Unlock the CPU CoreSight interfaces */
- rst = CORESIGHT_UNLOCK;
- writel(rst, CSITE_CPU_DBG0_LAR);
- writel(rst, CSITE_CPU_DBG1_LAR);
- if (get_num_cpus() == 4) {
- writel(rst, CSITE_CPU_DBG2_LAR);
- writel(rst, CSITE_CPU_DBG3_LAR);
- }
- }
-}
-
-void halt_avp(void)
-{
- for (;;) {
- writel(HALT_COP_EVENT_JTAG | (FLOW_MODE_STOP << 29),
- FLOW_CTLR_HALT_COP_EVENTS);
- }
-}
+++ /dev/null
-/*
- * (C) Copyright 2010-2014
- * NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-#include <asm/types.h>
-
-/* Stabilization delays, in usec */
-#define PLL_STABILIZATION_DELAY (300)
-#define IO_STABILIZATION_DELAY (1000)
-
-#if defined(CONFIG_TEGRA20)
-#define NVBL_PLLP_KHZ 216000
-#define CSITE_KHZ 144000
-#elif defined(CONFIG_TEGRA30) || defined(CONFIG_TEGRA114) || \
- defined(CONFIG_TEGRA124)
-#define NVBL_PLLP_KHZ 408000
-#define CSITE_KHZ 204000
-#else
-#error "Unknown Tegra chip!"
-#endif
-
-#define PLLX_ENABLED (1 << 30)
-#define CCLK_BURST_POLICY 0x20008888
-#define SUPER_CCLK_DIVIDER 0x80000000
-
-/* Calculate clock fractional divider value from ref and target frequencies */
-#define CLK_DIVIDER(REF, FREQ) ((((REF) * 2) / FREQ) - 2)
-
-/* Calculate clock frequency value from reference and clock divider value */
-#define CLK_FREQUENCY(REF, REG) (((REF) * 2) / (REG + 2))
-
-/* AVP/CPU ID */
-#define PG_UP_TAG_0_PID_CPU 0x55555555 /* CPU aka "a9" aka "mpcore" */
-#define PG_UP_TAG_0 0x0
-
-#define CORESIGHT_UNLOCK 0xC5ACCE55;
-
-#define EXCEP_VECTOR_CPU_RESET_VECTOR (NV_PA_EVP_BASE + 0x100)
-#define CSITE_CPU_DBG0_LAR (NV_PA_CSITE_BASE + 0x10FB0)
-#define CSITE_CPU_DBG1_LAR (NV_PA_CSITE_BASE + 0x12FB0)
-#define CSITE_CPU_DBG2_LAR (NV_PA_CSITE_BASE + 0x14FB0)
-#define CSITE_CPU_DBG3_LAR (NV_PA_CSITE_BASE + 0x16FB0)
-
-#define FLOW_CTLR_HALT_COP_EVENTS (NV_PA_FLOW_BASE + 4)
-#define FLOW_MODE_STOP 2
-#define HALT_COP_EVENT_JTAG (1 << 28)
-#define HALT_COP_EVENT_IRQ_1 (1 << 11)
-#define HALT_COP_EVENT_FIQ_1 (1 << 9)
-
-#define FLOW_MODE_NONE 0
-
-#define SIMPLE_PLLX (CLOCK_ID_XCPU - CLOCK_ID_FIRST_SIMPLE)
-
-struct clk_pll_table {
- u16 n;
- u16 m;
- u8 p;
- u8 cpcon;
-};
-
-void clock_enable_coresight(int enable);
-void enable_cpu_clock(int enable);
-void halt_avp(void) __attribute__ ((noreturn));
-void init_pllx(void);
-void powerup_cpu(void);
-void reset_A9_cpu(int reset);
-void start_cpu(u32 reset_vector);
-int tegra_get_chip(void);
-int tegra_get_sku_info(void);
-int tegra_get_chip_sku(void);
-void adjust_pllp_out_freqs(void);
-void pmic_enable_cpu_vdd(void);
+++ /dev/null
-/*
- * (C) Copyright 2012
- * NVIDIA Inc, <www.nvidia.com>
- *
- * Allen Martin <amartin@nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-#include <common.h>
-#include <spl.h>
-
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/pinmux.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/apb_misc.h>
-#include <asm/arch-tegra/board.h>
-#include <asm/spl.h>
-#include "cpu.h"
-
-void spl_board_init(void)
-{
- struct apb_misc_pp_ctlr *apb_misc =
- (struct apb_misc_pp_ctlr *)NV_PA_APB_MISC_BASE;
-
- /* enable JTAG */
- writel(0xC0, &apb_misc->cfg_ctl);
-
- board_init_uart_f();
-
- /* Initialize periph GPIOs */
- gpio_early_init_uart();
-
- clock_early_init();
- preloader_console_init();
-}
-
-u32 spl_boot_device(void)
-{
- return BOOT_DEVICE_RAM;
-}
-
-void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
-{
- debug("image entry point: 0x%X\n", spl_image->entry_point);
-
- start_cpu((u32)spl_image->entry_point);
- halt_avp();
-}
+++ /dev/null
-#
-# Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
-#
-# (C) Copyright 2000-2008
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-# more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-
-#obj-y += cpu.o t11x.o
-obj-y += cpu.o
+++ /dev/null
-/*
- * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/flow.h>
-#include <asm/arch/pinmux.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/clk_rst.h>
-#include <asm/arch-tegra/pmc.h>
-#include "../tegra-common/cpu.h"
-
-/* Tegra114-specific CPU init code */
-static void enable_cpu_power_rail(void)
-{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
- struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 reg;
-
- debug("enable_cpu_power_rail entry\n");
-
- /* un-tristate PWR_I2C SCL/SDA, rest of the defaults are correct */
- pinmux_tristate_disable(PMUX_PINGRP_PWR_I2C_SCL_PZ6);
- pinmux_tristate_disable(PMUX_PINGRP_PWR_I2C_SDA_PZ7);
-
- /*
- * Set CPUPWRGOOD_TIMER - APB clock is 1/2 of SCLK (102MHz),
- * set it for 25ms (102MHz * .025)
- */
- reg = 0x26E8F0;
- writel(reg, &pmc->pmc_cpupwrgood_timer);
-
- /* Set polarity to 0 (normal) and enable CPUPWRREQ_OE */
- clrbits_le32(&pmc->pmc_cntrl, CPUPWRREQ_POL);
- setbits_le32(&pmc->pmc_cntrl, CPUPWRREQ_OE);
-
- /*
- * Set CLK_RST_CONTROLLER_CPU_SOFTRST_CTRL2_0_CAR2PMC_CPU_ACK_WIDTH
- * to 408 to satisfy the requirement of having at least 16 CPU clock
- * cycles before clamp removal.
- */
-
- clrbits_le32(&clkrst->crc_cpu_softrst_ctrl2, 0xFFF);
- setbits_le32(&clkrst->crc_cpu_softrst_ctrl2, 408);
-}
-
-static void enable_cpu_clocks(void)
-{
- struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 reg;
-
- debug("enable_cpu_clocks entry\n");
-
- /* Wait for PLL-X to lock */
- do {
- reg = readl(&clkrst->crc_pll_simple[SIMPLE_PLLX].pll_base);
- } while ((reg & PLL_LOCK_MASK) == 0);
-
- /* Wait until all clocks are stable */
- udelay(PLL_STABILIZATION_DELAY);
-
- writel(CCLK_BURST_POLICY, &clkrst->crc_cclk_brst_pol);
- writel(SUPER_CCLK_DIVIDER, &clkrst->crc_super_cclk_div);
-
- /* Always enable the main CPU complex clocks */
- clock_enable(PERIPH_ID_CPU);
- clock_enable(PERIPH_ID_CPULP);
- clock_enable(PERIPH_ID_CPUG);
-}
-
-static void remove_cpu_resets(void)
-{
- struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 reg;
-
- debug("remove_cpu_resets entry\n");
- /* Take the slow non-CPU partition out of reset */
- reg = readl(&clkrst->crc_rst_cpulp_cmplx_clr);
- writel((reg | CLR_NONCPURESET), &clkrst->crc_rst_cpulp_cmplx_clr);
-
- /* Take the fast non-CPU partition out of reset */
- reg = readl(&clkrst->crc_rst_cpug_cmplx_clr);
- writel((reg | CLR_NONCPURESET), &clkrst->crc_rst_cpug_cmplx_clr);
-
- /* Clear the SW-controlled reset of the slow cluster */
- reg = readl(&clkrst->crc_rst_cpulp_cmplx_clr);
- reg |= (CLR_CPURESET0+CLR_DBGRESET0+CLR_CORERESET0+CLR_CXRESET0);
- writel(reg, &clkrst->crc_rst_cpulp_cmplx_clr);
-
- /* Clear the SW-controlled reset of the fast cluster */
- reg = readl(&clkrst->crc_rst_cpug_cmplx_clr);
- reg |= (CLR_CPURESET0+CLR_DBGRESET0+CLR_CORERESET0+CLR_CXRESET0);
- reg |= (CLR_CPURESET1+CLR_DBGRESET1+CLR_CORERESET1+CLR_CXRESET1);
- reg |= (CLR_CPURESET2+CLR_DBGRESET2+CLR_CORERESET2+CLR_CXRESET2);
- reg |= (CLR_CPURESET3+CLR_DBGRESET3+CLR_CORERESET3+CLR_CXRESET3);
- writel(reg, &clkrst->crc_rst_cpug_cmplx_clr);
-}
-
-/**
- * The T114 requires some special clock initialization, including setting up
- * the DVC I2C, turning on MSELECT and selecting the G CPU cluster
- */
-void t114_init_clocks(void)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
- u32 val;
-
- debug("t114_init_clocks entry\n");
-
- /* Set active CPU cluster to G */
- clrbits_le32(&flow->cluster_control, 1);
-
- writel(SUPER_SCLK_ENB_MASK, &clkrst->crc_super_sclk_div);
-
- debug("Setting up PLLX\n");
- init_pllx();
-
- val = (1 << CLK_SYS_RATE_AHB_RATE_SHIFT);
- writel(val, &clkrst->crc_clk_sys_rate);
-
- /* Enable clocks to required peripherals. TBD - minimize this list */
- debug("Enabling clocks\n");
-
- clock_set_enable(PERIPH_ID_CACHE2, 1);
- clock_set_enable(PERIPH_ID_GPIO, 1);
- clock_set_enable(PERIPH_ID_TMR, 1);
- clock_set_enable(PERIPH_ID_RTC, 1);
- clock_set_enable(PERIPH_ID_CPU, 1);
- clock_set_enable(PERIPH_ID_EMC, 1);
- clock_set_enable(PERIPH_ID_I2C5, 1);
- clock_set_enable(PERIPH_ID_FUSE, 1);
- clock_set_enable(PERIPH_ID_PMC, 1);
- clock_set_enable(PERIPH_ID_APBDMA, 1);
- clock_set_enable(PERIPH_ID_MEM, 1);
- clock_set_enable(PERIPH_ID_IRAMA, 1);
- clock_set_enable(PERIPH_ID_IRAMB, 1);
- clock_set_enable(PERIPH_ID_IRAMC, 1);
- clock_set_enable(PERIPH_ID_IRAMD, 1);
- clock_set_enable(PERIPH_ID_CORESIGHT, 1);
- clock_set_enable(PERIPH_ID_MSELECT, 1);
- clock_set_enable(PERIPH_ID_EMC1, 1);
- clock_set_enable(PERIPH_ID_MC1, 1);
- clock_set_enable(PERIPH_ID_DVFS, 1);
-
- /*
- * Set MSELECT clock source as PLLP (00), and ask for a clock
- * divider that would set the MSELECT clock at 102MHz for a
- * PLLP base of 408MHz.
- */
- clock_ll_set_source_divisor(PERIPH_ID_MSELECT, 0,
- CLK_DIVIDER(NVBL_PLLP_KHZ, 102000));
-
- /* I2C5 (DVC) gets CLK_M and a divisor of 17 */
- clock_ll_set_source_divisor(PERIPH_ID_I2C5, 3, 16);
-
- /* Give clocks time to stabilize */
- udelay(1000);
-
- /* Take required peripherals out of reset */
- debug("Taking periphs out of reset\n");
- reset_set_enable(PERIPH_ID_CACHE2, 0);
- reset_set_enable(PERIPH_ID_GPIO, 0);
- reset_set_enable(PERIPH_ID_TMR, 0);
- reset_set_enable(PERIPH_ID_COP, 0);
- reset_set_enable(PERIPH_ID_EMC, 0);
- reset_set_enable(PERIPH_ID_I2C5, 0);
- reset_set_enable(PERIPH_ID_FUSE, 0);
- reset_set_enable(PERIPH_ID_APBDMA, 0);
- reset_set_enable(PERIPH_ID_MEM, 0);
- reset_set_enable(PERIPH_ID_CORESIGHT, 0);
- reset_set_enable(PERIPH_ID_MSELECT, 0);
- reset_set_enable(PERIPH_ID_EMC1, 0);
- reset_set_enable(PERIPH_ID_MC1, 0);
- reset_set_enable(PERIPH_ID_DVFS, 0);
-
- debug("t114_init_clocks exit\n");
-}
-
-static bool is_partition_powered(u32 partid)
-{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
- u32 reg;
-
- /* Get power gate status */
- reg = readl(&pmc->pmc_pwrgate_status);
- return !!(reg & (1 << partid));
-}
-
-static bool is_clamp_enabled(u32 partid)
-{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
- u32 reg;
-
- /* Get clamp status. */
- reg = readl(&pmc->pmc_clamp_status);
- return !!(reg & (1 << partid));
-}
-
-static void power_partition(u32 partid)
-{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
-
- debug("%s: part ID = %08X\n", __func__, partid);
- /* Is the partition already on? */
- if (!is_partition_powered(partid)) {
- /* No, toggle the partition power state (OFF -> ON) */
- debug("power_partition, toggling state\n");
- writel(START_CP | partid, &pmc->pmc_pwrgate_toggle);
-
- /* Wait for the power to come up */
- while (!is_partition_powered(partid))
- ;
-
- /* Wait for the clamp status to be cleared */
- while (is_clamp_enabled(partid))
- ;
-
- /* Give I/O signals time to stabilize */
- udelay(IO_STABILIZATION_DELAY);
- }
-}
-
-void powerup_cpus(void)
-{
- debug("powerup_cpus entry\n");
-
- /* We boot to the fast cluster */
- debug("powerup_cpus entry: G cluster\n");
- /* Power up the fast cluster rail partition */
- power_partition(CRAIL);
-
- /* Power up the fast cluster non-CPU partition */
- power_partition(C0NC);
-
- /* Power up the fast cluster CPU0 partition */
- power_partition(CE0);
-}
-
-void start_cpu(u32 reset_vector)
-{
- u32 imme, inst;
-
- debug("start_cpu entry, reset_vector = %x\n", reset_vector);
-
- t114_init_clocks();
-
- /* Enable VDD_CPU */
- enable_cpu_power_rail();
-
- /* Get the CPU(s) running */
- enable_cpu_clocks();
-
- /* Enable CoreSight */
- clock_enable_coresight(1);
-
- /* Take CPU(s) out of reset */
- remove_cpu_resets();
-
- /* Set the entry point for CPU execution from reset */
-
- /*
- * A01P with patched boot ROM; vector hard-coded to 0x4003fffc.
- * See nvbug 1193357 for details.
- */
-
- /* mov r0, #lsb(reset_vector) */
- imme = reset_vector & 0xffff;
- inst = imme & 0xfff;
- inst |= ((imme >> 12) << 16);
- inst |= 0xe3000000;
- writel(inst, 0x4003fff0);
-
- /* movt r0, #msb(reset_vector) */
- imme = (reset_vector >> 16) & 0xffff;
- inst = imme & 0xfff;
- inst |= ((imme >> 12) << 16);
- inst |= 0xe3400000;
- writel(inst, 0x4003fff4);
-
- /* bx r0 */
- writel(0xe12fff10, 0x4003fff8);
-
- /* b -12 */
- imme = (u32)-20;
- inst = (imme >> 2) & 0xffffff;
- inst |= 0xea000000;
- writel(inst, 0x4003fffc);
-
- /* Write to orignal location for compatibility */
- writel(reset_vector, EXCEP_VECTOR_CPU_RESET_VECTOR);
-
- /* If the CPU(s) don't already have power, power 'em up */
- powerup_cpus();
-}
+++ /dev/null
-#
-# (C) Copyright 2013-2014
-# NVIDIA Corporation <www.nvidia.com>
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-obj-y += cpu.o
+++ /dev/null
-/*
- * (C) Copyright 2013
- * NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/ahb.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/flow.h>
-#include <asm/arch/pinmux.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/clk_rst.h>
-#include <asm/arch-tegra/pmc.h>
-#include <asm/arch-tegra/ap.h>
-#include "../tegra-common/cpu.h"
-
-/* Tegra124-specific CPU init code */
-
-static void enable_cpu_power_rail(void)
-{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
-
- debug("enable_cpu_power_rail entry\n");
-
- /* un-tristate PWR_I2C SCL/SDA, rest of the defaults are correct */
- pinmux_tristate_disable(PMUX_PINGRP_PWR_I2C_SCL_PZ6);
- pinmux_tristate_disable(PMUX_PINGRP_PWR_I2C_SDA_PZ7);
-
- pmic_enable_cpu_vdd();
-
- /*
- * Set CPUPWRGOOD_TIMER - APB clock is 1/2 of SCLK (102MHz),
- * set it for 5ms as per SysEng (102MHz*5ms = 510000 (7C830h).
- */
- writel(0x7C830, &pmc->pmc_cpupwrgood_timer);
-
- /* Set polarity to 0 (normal) and enable CPUPWRREQ_OE */
- clrbits_le32(&pmc->pmc_cntrl, CPUPWRREQ_POL);
- setbits_le32(&pmc->pmc_cntrl, CPUPWRREQ_OE);
-}
-
-static void enable_cpu_clocks(void)
-{
- struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 reg;
-
- debug("enable_cpu_clocks entry\n");
-
- /* Wait for PLL-X to lock */
- do {
- reg = readl(&clkrst->crc_pll_simple[SIMPLE_PLLX].pll_base);
- debug("%s: PLLX base = 0x%08X\n", __func__, reg);
- } while ((reg & PLL_LOCK_MASK) == 0);
-
- debug("%s: PLLX locked, delay for stable clocks\n", __func__);
- /* Wait until all clocks are stable */
- udelay(PLL_STABILIZATION_DELAY);
-
- debug("%s: Setting CCLK_BURST and DIVIDER\n", __func__);
- writel(CCLK_BURST_POLICY, &clkrst->crc_cclk_brst_pol);
- writel(SUPER_CCLK_DIVIDER, &clkrst->crc_super_cclk_div);
-
- debug("%s: Enabling clock to all CPUs\n", __func__);
- /* Enable the clock to all CPUs */
- reg = CLR_CPU3_CLK_STP | CLR_CPU2_CLK_STP | CLR_CPU1_CLK_STP |
- CLR_CPU0_CLK_STP;
- writel(reg, &clkrst->crc_clk_cpu_cmplx_clr);
-
- debug("%s: Enabling main CPU complex clocks\n", __func__);
- /* Always enable the main CPU complex clocks */
- clock_enable(PERIPH_ID_CPU);
- clock_enable(PERIPH_ID_CPULP);
- clock_enable(PERIPH_ID_CPUG);
-
- debug("%s: Done\n", __func__);
-}
-
-static void remove_cpu_resets(void)
-{
- struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 reg;
-
- debug("remove_cpu_resets entry\n");
-
- /* Take the slow and fast partitions out of reset */
- reg = CLR_NONCPURESET;
- writel(reg, &clkrst->crc_rst_cpulp_cmplx_clr);
- writel(reg, &clkrst->crc_rst_cpug_cmplx_clr);
-
- /* Clear the SW-controlled reset of the slow cluster */
- reg = CLR_CPURESET0 | CLR_DBGRESET0 | CLR_CORERESET0 | CLR_CXRESET0 |
- CLR_L2RESET | CLR_PRESETDBG;
- writel(reg, &clkrst->crc_rst_cpulp_cmplx_clr);
-
- /* Clear the SW-controlled reset of the fast cluster */
- reg = CLR_CPURESET0 | CLR_DBGRESET0 | CLR_CORERESET0 | CLR_CXRESET0 |
- CLR_CPURESET1 | CLR_DBGRESET1 | CLR_CORERESET1 | CLR_CXRESET1 |
- CLR_CPURESET2 | CLR_DBGRESET2 | CLR_CORERESET2 | CLR_CXRESET2 |
- CLR_CPURESET3 | CLR_DBGRESET3 | CLR_CORERESET3 | CLR_CXRESET3 |
- CLR_L2RESET | CLR_PRESETDBG;
- writel(reg, &clkrst->crc_rst_cpug_cmplx_clr);
-}
-
-/**
- * The Tegra124 requires some special clock initialization, including setting up
- * the DVC I2C, turning on MSELECT and selecting the G CPU cluster
- */
-void tegra124_init_clocks(void)
-{
- struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 val;
-
- debug("tegra124_init_clocks entry\n");
-
- /* Set active CPU cluster to G */
- clrbits_le32(&flow->cluster_control, 1);
-
- /* Change the oscillator drive strength */
- val = readl(&clkrst->crc_osc_ctrl);
- val &= ~OSC_XOFS_MASK;
- val |= (OSC_DRIVE_STRENGTH << OSC_XOFS_SHIFT);
- writel(val, &clkrst->crc_osc_ctrl);
-
- /* Update same value in PMC_OSC_EDPD_OVER XOFS field for warmboot */
- val = readl(&pmc->pmc_osc_edpd_over);
- val &= ~PMC_XOFS_MASK;
- val |= (OSC_DRIVE_STRENGTH << PMC_XOFS_SHIFT);
- writel(val, &pmc->pmc_osc_edpd_over);
-
- /* Set HOLD_CKE_LOW_EN to 1 */
- setbits_le32(&pmc->pmc_cntrl2, HOLD_CKE_LOW_EN);
-
- debug("Setting up PLLX\n");
- init_pllx();
-
- val = (1 << CLK_SYS_RATE_AHB_RATE_SHIFT);
- writel(val, &clkrst->crc_clk_sys_rate);
-
- /* Enable clocks to required peripherals. TBD - minimize this list */
- debug("Enabling clocks\n");
-
- clock_set_enable(PERIPH_ID_CACHE2, 1);
- clock_set_enable(PERIPH_ID_GPIO, 1);
- clock_set_enable(PERIPH_ID_TMR, 1);
- clock_set_enable(PERIPH_ID_CPU, 1);
- clock_set_enable(PERIPH_ID_EMC, 1);
- clock_set_enable(PERIPH_ID_I2C5, 1);
- clock_set_enable(PERIPH_ID_APBDMA, 1);
- clock_set_enable(PERIPH_ID_MEM, 1);
- clock_set_enable(PERIPH_ID_CORESIGHT, 1);
- clock_set_enable(PERIPH_ID_MSELECT, 1);
- clock_set_enable(PERIPH_ID_DVFS, 1);
-
- /*
- * Set MSELECT clock source as PLLP (00), and ask for a clock
- * divider that would set the MSELECT clock at 102MHz for a
- * PLLP base of 408MHz.
- */
- clock_ll_set_source_divisor(PERIPH_ID_MSELECT, 0,
- CLK_DIVIDER(NVBL_PLLP_KHZ, 102000));
-
- /* Give clock time to stabilize */
- udelay(IO_STABILIZATION_DELAY);
-
- /* I2C5 (DVC) gets CLK_M and a divisor of 17 */
- clock_ll_set_source_divisor(PERIPH_ID_I2C5, 3, 16);
-
- /* Give clock time to stabilize */
- udelay(IO_STABILIZATION_DELAY);
-
- /* Take required peripherals out of reset */
- debug("Taking periphs out of reset\n");
- reset_set_enable(PERIPH_ID_CACHE2, 0);
- reset_set_enable(PERIPH_ID_GPIO, 0);
- reset_set_enable(PERIPH_ID_TMR, 0);
- reset_set_enable(PERIPH_ID_COP, 0);
- reset_set_enable(PERIPH_ID_EMC, 0);
- reset_set_enable(PERIPH_ID_I2C5, 0);
- reset_set_enable(PERIPH_ID_APBDMA, 0);
- reset_set_enable(PERIPH_ID_MEM, 0);
- reset_set_enable(PERIPH_ID_CORESIGHT, 0);
- reset_set_enable(PERIPH_ID_MSELECT, 0);
- reset_set_enable(PERIPH_ID_DVFS, 0);
-
- debug("tegra124_init_clocks exit\n");
-}
-
-static bool is_partition_powered(u32 partid)
-{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
- u32 reg;
-
- /* Get power gate status */
- reg = readl(&pmc->pmc_pwrgate_status);
- return !!(reg & (1 << partid));
-}
-
-static void power_partition(u32 partid)
-{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
-
- debug("%s: part ID = %08X\n", __func__, partid);
- /* Is the partition already on? */
- if (!is_partition_powered(partid)) {
- /* No, toggle the partition power state (OFF -> ON) */
- debug("power_partition, toggling state\n");
- writel(START_CP | partid, &pmc->pmc_pwrgate_toggle);
-
- /* Wait for the power to come up */
- while (!is_partition_powered(partid))
- ;
-
- /* Give I/O signals time to stabilize */
- udelay(IO_STABILIZATION_DELAY);
- }
-}
-
-void powerup_cpus(void)
-{
- debug("powerup_cpus entry\n");
-
- /* We boot to the fast cluster */
- debug("powerup_cpus entry: G cluster\n");
-
- /* Power up the fast cluster rail partition */
- debug("powerup_cpus: CRAIL\n");
- power_partition(CRAIL);
-
- /* Power up the fast cluster non-CPU partition */
- debug("powerup_cpus: C0NC\n");
- power_partition(C0NC);
-
- /* Power up the fast cluster CPU0 partition */
- debug("powerup_cpus: CE0\n");
- power_partition(CE0);
-
- debug("powerup_cpus: done\n");
-}
-
-void start_cpu(u32 reset_vector)
-{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
-
- debug("start_cpu entry, reset_vector = %x\n", reset_vector);
-
- tegra124_init_clocks();
-
- /* Set power-gating timer multiplier */
- writel((MULT_8 << TIMER_MULT_SHIFT) | (MULT_8 << TIMER_MULT_CPU_SHIFT),
- &pmc->pmc_pwrgate_timer_mult);
-
- enable_cpu_power_rail();
- enable_cpu_clocks();
- clock_enable_coresight(1);
- remove_cpu_resets();
- writel(reset_vector, EXCEP_VECTOR_CPU_RESET_VECTOR);
- powerup_cpus();
- debug("start_cpu exit, should continue @ reset_vector\n");
-}
+++ /dev/null
-#
-# (C) Copyright 2010,2011 Nvidia Corporation.
-#
-# (C) Copyright 2000-2008
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-obj-y += cpu.o
+++ /dev/null
-/*
- * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/pmc.h>
-#include "../tegra-common/cpu.h"
-
-static void enable_cpu_power_rail(void)
-{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
- u32 reg;
-
- reg = readl(&pmc->pmc_cntrl);
- reg |= CPUPWRREQ_OE;
- writel(reg, &pmc->pmc_cntrl);
-
- /*
- * The TI PMU65861C needs a 3.75ms delay between enabling
- * the power rail and enabling the CPU clock. This delay
- * between SM1EN and SM1 is for switching time + the ramp
- * up of the voltage to the CPU (VDD_CPU from PMU).
- */
- udelay(3750);
-}
-
-void start_cpu(u32 reset_vector)
-{
- /* Enable VDD_CPU */
- enable_cpu_power_rail();
-
- /* Hold the CPUs in reset */
- reset_A9_cpu(1);
-
- /* Disable the CPU clock */
- enable_cpu_clock(0);
-
- /* Enable CoreSight */
- clock_enable_coresight(1);
-
- /*
- * Set the entry point for CPU execution from reset,
- * if it's a non-zero value.
- */
- if (reset_vector)
- writel(reset_vector, EXCEP_VECTOR_CPU_RESET_VECTOR);
-
- /* Enable the CPU clock */
- enable_cpu_clock(1);
-
- /* If the CPU doesn't already have power, power it up */
- powerup_cpu();
-
- /* Take the CPU out of reset */
- reset_A9_cpu(0);
-}
+++ /dev/null
-#
-# Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
-#
-# (C) Copyright 2000-2008
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-# more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-
-obj-y += cpu.o
+++ /dev/null
-/*
- * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/flow.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/clk_rst.h>
-#include <asm/arch-tegra/pmc.h>
-#include <asm/arch-tegra/tegra_i2c.h>
-#include "../tegra-common/cpu.h"
-
-/* Tegra30-specific CPU init code */
-void tegra_i2c_ll_write_addr(uint addr, uint config)
-{
- struct i2c_ctlr *reg = (struct i2c_ctlr *)TEGRA_DVC_BASE;
-
- writel(addr, ®->cmd_addr0);
- writel(config, ®->cnfg);
-}
-
-void tegra_i2c_ll_write_data(uint data, uint config)
-{
- struct i2c_ctlr *reg = (struct i2c_ctlr *)TEGRA_DVC_BASE;
-
- writel(data, ®->cmd_data1);
- writel(config, ®->cnfg);
-}
-
-#define TPS62366A_I2C_ADDR 0xC0
-#define TPS62366A_SET1_REG 0x01
-#define TPS62366A_SET1_DATA (0x4600 | TPS62366A_SET1_REG)
-
-#define TPS62361B_I2C_ADDR 0xC0
-#define TPS62361B_SET3_REG 0x03
-#define TPS62361B_SET3_DATA (0x4600 | TPS62361B_SET3_REG)
-
-#define TPS65911_I2C_ADDR 0x5A
-#define TPS65911_VDDCTRL_OP_REG 0x28
-#define TPS65911_VDDCTRL_SR_REG 0x27
-#define TPS65911_VDDCTRL_OP_DATA (0x2400 | TPS65911_VDDCTRL_OP_REG)
-#define TPS65911_VDDCTRL_SR_DATA (0x0100 | TPS65911_VDDCTRL_SR_REG)
-#define I2C_SEND_2_BYTES 0x0A02
-
-static void enable_cpu_power_rail(void)
-{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
- u32 reg;
-
- debug("enable_cpu_power_rail entry\n");
- reg = readl(&pmc->pmc_cntrl);
- reg |= CPUPWRREQ_OE;
- writel(reg, &pmc->pmc_cntrl);
-
- /* Set VDD_CORE to 1.200V. */
-#ifdef CONFIG_TEGRA_VDD_CORE_TPS62366A_SET1
- tegra_i2c_ll_write_addr(TPS62366A_I2C_ADDR, 2);
- tegra_i2c_ll_write_data(TPS62366A_SET1_DATA, I2C_SEND_2_BYTES);
-#endif
-#ifdef CONFIG_TEGRA_VDD_CORE_TPS62361B_SET3
- tegra_i2c_ll_write_addr(TPS62361B_I2C_ADDR, 2);
- tegra_i2c_ll_write_data(TPS62361B_SET3_DATA, I2C_SEND_2_BYTES);
-#endif
- udelay(1000);
-
- /*
- * Bring up CPU VDD via the TPS65911x PMIC on the DVC I2C bus.
- * First set VDD to 1.0125V, then enable the VDD regulator.
- */
- tegra_i2c_ll_write_addr(TPS65911_I2C_ADDR, 2);
- tegra_i2c_ll_write_data(TPS65911_VDDCTRL_OP_DATA, I2C_SEND_2_BYTES);
- udelay(1000);
- tegra_i2c_ll_write_data(TPS65911_VDDCTRL_SR_DATA, I2C_SEND_2_BYTES);
- udelay(10 * 1000);
-}
-
-/**
- * The T30 requires some special clock initialization, including setting up
- * the dvc i2c, turning on mselect and selecting the G CPU cluster
- */
-void t30_init_clocks(void)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
- u32 val;
-
- debug("t30_init_clocks entry\n");
- /* Set active CPU cluster to G */
- clrbits_le32(flow->cluster_control, 1 << 0);
-
- writel(SUPER_SCLK_ENB_MASK, &clkrst->crc_super_sclk_div);
-
- val = (0 << CLK_SYS_RATE_HCLK_DISABLE_SHIFT) |
- (1 << CLK_SYS_RATE_AHB_RATE_SHIFT) |
- (0 << CLK_SYS_RATE_PCLK_DISABLE_SHIFT) |
- (0 << CLK_SYS_RATE_APB_RATE_SHIFT);
- writel(val, &clkrst->crc_clk_sys_rate);
-
- /* Put i2c, mselect in reset and enable clocks */
- reset_set_enable(PERIPH_ID_DVC_I2C, 1);
- clock_set_enable(PERIPH_ID_DVC_I2C, 1);
- reset_set_enable(PERIPH_ID_MSELECT, 1);
- clock_set_enable(PERIPH_ID_MSELECT, 1);
-
- /* Switch MSELECT clock to PLLP (00) and use a divisor of 2 */
- clock_ll_set_source_divisor(PERIPH_ID_MSELECT, 0, 2);
-
- /*
- * Our high-level clock routines are not available prior to
- * relocation. We use the low-level functions which require a
- * hard-coded divisor. Use CLK_M with divide by (n + 1 = 17)
- */
- clock_ll_set_source_divisor(PERIPH_ID_DVC_I2C, 3, 16);
-
- /*
- * Give clocks time to stabilize, then take i2c and mselect out of
- * reset
- */
- udelay(1000);
- reset_set_enable(PERIPH_ID_DVC_I2C, 0);
- reset_set_enable(PERIPH_ID_MSELECT, 0);
-}
-
-static void set_cpu_running(int run)
-{
- struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
-
- debug("set_cpu_running entry, run = %d\n", run);
- writel(run ? FLOW_MODE_NONE : FLOW_MODE_STOP, &flow->halt_cpu_events);
-}
-
-void start_cpu(u32 reset_vector)
-{
- debug("start_cpu entry, reset_vector = %x\n", reset_vector);
- t30_init_clocks();
-
- /* Enable VDD_CPU */
- enable_cpu_power_rail();
-
- set_cpu_running(0);
-
- /* Hold the CPUs in reset */
- reset_A9_cpu(1);
-
- /* Disable the CPU clock */
- enable_cpu_clock(0);
-
- /* Enable CoreSight */
- clock_enable_coresight(1);
-
- /*
- * Set the entry point for CPU execution from reset,
- * if it's a non-zero value.
- */
- if (reset_vector)
- writel(reset_vector, EXCEP_VECTOR_CPU_RESET_VECTOR);
-
- /* Enable the CPU clock */
- enable_cpu_clock(1);
-
- /* If the CPU doesn't already have power, power it up */
- powerup_cpu();
-
- /* Take the CPU out of reset */
- reset_A9_cpu(0);
-
- set_cpu_running(1);
-}
obj-$(CONFIG_KONA) += kona-common/
obj-$(CONFIG_OMAP_COMMON) += omap-common/
obj-$(CONFIG_SYS_ARCH_TIMER) += arch_timer.o
-obj-$(CONFIG_TEGRA) += tegra-common/
ifneq (,$(filter s5pc1xx exynos,$(SOC)))
obj-y += s5p-common/
obj-$(CONFIG_SOCFPGA) += socfpga/
obj-$(if $(filter stv0991,$(SOC)),y) += stv0991/
obj-$(CONFIG_ARCH_SUNXI) += sunxi/
-obj-$(CONFIG_TEGRA20) += tegra20/
obj-$(CONFIG_U8500) += u8500/
obj-$(CONFIG_ARCH_UNIPHIER) += uniphier/
obj-$(CONFIG_VF610) += vf610/
+++ /dev/null
-if TEGRA
-
-choice
- prompt "Tegra SoC select"
-
-config TEGRA20
- bool "Tegra20 family"
-
-config TEGRA30
- bool "Tegra30 family"
-
-config TEGRA114
- bool "Tegra114 family"
-
-config TEGRA124
- bool "Tegra124 family"
-
-endchoice
-
-config SYS_MALLOC_F
- default y
-
-config SYS_MALLOC_F_LEN
- default 0x1800
-
-config USE_PRIVATE_LIBGCC
- default y if SPL_BUILD
-
-config DM
- default y if !SPL_BUILD
-
-config DM_SERIAL
- default y if !SPL_BUILD
-
-config DM_SPI
- default y if !SPL_BUILD
-
-config DM_SPI_FLASH
- default y if !SPL_BUILD
-
-config DM_I2C
- default y if !SPL_BUILD
-
-config DM_GPIO
- default y if !SPL_BUILD
-
-source "arch/arm/cpu/armv7/tegra20/Kconfig"
-source "arch/arm/cpu/armv7/tegra30/Kconfig"
-source "arch/arm/cpu/armv7/tegra114/Kconfig"
-source "arch/arm/cpu/armv7/tegra124/Kconfig"
-
-endif
+++ /dev/null
-#
-# (C) Copyright 2010,2011 Nvidia Corporation.
-#
-# (C) Copyright 2000-2003
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-obj-$(CONFIG_CMD_ENTERRCM) += cmd_enterrcm.o
+++ /dev/null
-/*
- * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
- *
- * Derived from code (arch/arm/lib/reset.c) that is:
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * (C) Copyright 2004
- * DAVE Srl
- * http://www.dave-tech.it
- * http://www.wawnet.biz
- * mailto:info@wawnet.biz
- *
- * (C) Copyright 2004 Texas Insturments
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/pmc.h>
-
-static int do_enterrcm(cmd_tbl_t *cmdtp, int flag, int argc,
- char * const argv[])
-{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
-
- puts("Entering RCM...\n");
- udelay(50000);
-
- pmc->pmc_scratch0 = 2;
- disable_interrupts();
- reset_cpu(0);
-
- return 0;
-}
-
-U_BOOT_CMD(
- enterrcm, 1, 0, do_enterrcm,
- "reset Tegra and enter USB Recovery Mode",
- ""
-);
+++ /dev/null
-if TEGRA114
-
-choice
- prompt "Tegra114 board select"
-
-config TARGET_DALMORE
- bool "NVIDIA Tegra114 Dalmore evaluation board"
-
-endchoice
-
-config SYS_SOC
- default "tegra114"
-
-source "board/nvidia/dalmore/Kconfig"
-
-endif
+++ /dev/null
-if TEGRA124
-
-choice
- prompt "Tegra124 board select"
-
-config TARGET_JETSON_TK1
- bool "NVIDIA Tegra124 Jetson TK1 board"
-
-config TARGET_NYAN_BIG
- bool "Google/NVIDIA Nyan-big Chrombook"
- help
- Nyan Big is a Tegra124 clamshell board that is very similar
- to venice2, but it has a different panel, the sdcard CD and WP
- sense are flipped, and it has a different revision of the AS3722
- PMIC. The retail name is the Acer Chromebook 13 CB5-311-T7NN
- (13.3-inch HD, NVIDIA Tegra K1, 2GB).
-
-config TARGET_VENICE2
- bool "NVIDIA Tegra124 Venice2"
-
-endchoice
-
-config SYS_SOC
- default "tegra124"
-
-source "board/nvidia/jetson-tk1/Kconfig"
-source "board/nvidia/nyan-big/Kconfig"
-source "board/nvidia/venice2/Kconfig"
-
-endif
+++ /dev/null
-if TEGRA20
-
-choice
- prompt "Tegra20 board select"
-
-config TARGET_HARMONY
- bool "NVIDIA Tegra20 Harmony evaluation board"
-
-config TARGET_MEDCOM_WIDE
- bool "Avionic Design Medcom-Wide board"
-
-config TARGET_PAZ00
- bool "Paz00 board"
-
-config TARGET_PLUTUX
- bool "Avionic Design Plutux board"
-
-config TARGET_SEABOARD
- bool "NVIDIA Seaboard"
-
-config TARGET_TEC
- bool "Avionic Design Tamonten Evaluation Carrier"
-
-config TARGET_TRIMSLICE
- bool "Compulab TrimSlice board"
-
-config TARGET_VENTANA
- bool "NVIDIA Tegra20 Ventana evaluation board"
-
-config TARGET_WHISTLER
- bool "NVIDIA Tegra20 Whistler evaluation board"
-
-config TARGET_COLIBRI_T20_IRIS
- bool "Toradex Colibri T20 board"
-
-endchoice
-
-config SYS_SOC
- default "tegra20"
-
-source "board/nvidia/harmony/Kconfig"
-source "board/avionic-design/medcom-wide/Kconfig"
-source "board/compal/paz00/Kconfig"
-source "board/avionic-design/plutux/Kconfig"
-source "board/nvidia/seaboard/Kconfig"
-source "board/avionic-design/tec/Kconfig"
-source "board/compulab/trimslice/Kconfig"
-source "board/nvidia/ventana/Kconfig"
-source "board/nvidia/whistler/Kconfig"
-source "board/toradex/colibri_t20_iris/Kconfig"
-
-endif
+++ /dev/null
-#
-# (C) Copyright 2010,2011 Nvidia Corporation.
-#
-# (C) Copyright 2000-2003
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-obj-$(CONFIG_PWM_TEGRA) += pwm.o
-obj-$(CONFIG_VIDEO_TEGRA) += display.o
+++ /dev/null
-/*
- * (C) Copyright 2010
- * NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch/display.h>
-#include <asm/arch/dc.h>
-#include <asm/arch-tegra/clk_rst.h>
-#include <asm/arch-tegra/timer.h>
-
-static struct fdt_disp_config config;
-
-static void update_window(struct dc_ctlr *dc, struct disp_ctl_win *win)
-{
- unsigned h_dda, v_dda;
- unsigned long val;
-
- val = readl(&dc->cmd.disp_win_header);
- val |= WINDOW_A_SELECT;
- writel(val, &dc->cmd.disp_win_header);
-
- writel(win->fmt, &dc->win.color_depth);
-
- clrsetbits_le32(&dc->win.byte_swap, BYTE_SWAP_MASK,
- BYTE_SWAP_NOSWAP << BYTE_SWAP_SHIFT);
-
- val = win->out_x << H_POSITION_SHIFT;
- val |= win->out_y << V_POSITION_SHIFT;
- writel(val, &dc->win.pos);
-
- val = win->out_w << H_SIZE_SHIFT;
- val |= win->out_h << V_SIZE_SHIFT;
- writel(val, &dc->win.size);
-
- val = (win->w * win->bpp / 8) << H_PRESCALED_SIZE_SHIFT;
- val |= win->h << V_PRESCALED_SIZE_SHIFT;
- writel(val, &dc->win.prescaled_size);
-
- writel(0, &dc->win.h_initial_dda);
- writel(0, &dc->win.v_initial_dda);
-
- h_dda = (win->w * 0x1000) / max(win->out_w - 1, 1U);
- v_dda = (win->h * 0x1000) / max(win->out_h - 1, 1U);
-
- val = h_dda << H_DDA_INC_SHIFT;
- val |= v_dda << V_DDA_INC_SHIFT;
- writel(val, &dc->win.dda_increment);
-
- writel(win->stride, &dc->win.line_stride);
- writel(0, &dc->win.buf_stride);
-
- val = WIN_ENABLE;
- if (win->bpp < 24)
- val |= COLOR_EXPAND;
- writel(val, &dc->win.win_opt);
-
- writel((unsigned long)win->phys_addr, &dc->winbuf.start_addr);
- writel(win->x, &dc->winbuf.addr_h_offset);
- writel(win->y, &dc->winbuf.addr_v_offset);
-
- writel(0xff00, &dc->win.blend_nokey);
- writel(0xff00, &dc->win.blend_1win);
-
- val = GENERAL_ACT_REQ | WIN_A_ACT_REQ;
- val |= GENERAL_UPDATE | WIN_A_UPDATE;
- writel(val, &dc->cmd.state_ctrl);
-}
-
-static void write_pair(struct fdt_disp_config *config, int item, u32 *reg)
-{
- writel(config->horiz_timing[item] |
- (config->vert_timing[item] << 16), reg);
-}
-
-static int update_display_mode(struct dc_disp_reg *disp,
- struct fdt_disp_config *config)
-{
- unsigned long val;
- unsigned long rate;
- unsigned long div;
-
- writel(0x0, &disp->disp_timing_opt);
- write_pair(config, FDT_LCD_TIMING_REF_TO_SYNC, &disp->ref_to_sync);
- write_pair(config, FDT_LCD_TIMING_SYNC_WIDTH, &disp->sync_width);
- write_pair(config, FDT_LCD_TIMING_BACK_PORCH, &disp->back_porch);
- write_pair(config, FDT_LCD_TIMING_FRONT_PORCH, &disp->front_porch);
-
- writel(config->width | (config->height << 16), &disp->disp_active);
-
- val = DE_SELECT_ACTIVE << DE_SELECT_SHIFT;
- val |= DE_CONTROL_NORMAL << DE_CONTROL_SHIFT;
- writel(val, &disp->data_enable_opt);
-
- val = DATA_FORMAT_DF1P1C << DATA_FORMAT_SHIFT;
- val |= DATA_ALIGNMENT_MSB << DATA_ALIGNMENT_SHIFT;
- val |= DATA_ORDER_RED_BLUE << DATA_ORDER_SHIFT;
- writel(val, &disp->disp_interface_ctrl);
-
- /*
- * The pixel clock divider is in 7.1 format (where the bottom bit
- * represents 0.5). Here we calculate the divider needed to get from
- * the display clock (typically 600MHz) to the pixel clock. We round
- * up or down as requried.
- */
- rate = clock_get_periph_rate(PERIPH_ID_DISP1, CLOCK_ID_CGENERAL);
- div = ((rate * 2 + config->pixel_clock / 2) / config->pixel_clock) - 2;
- debug("Display clock %lu, divider %lu\n", rate, div);
-
- writel(0x00010001, &disp->shift_clk_opt);
-
- val = PIXEL_CLK_DIVIDER_PCD1 << PIXEL_CLK_DIVIDER_SHIFT;
- val |= div << SHIFT_CLK_DIVIDER_SHIFT;
- writel(val, &disp->disp_clk_ctrl);
-
- return 0;
-}
-
-/* Start up the display and turn on power to PWMs */
-static void basic_init(struct dc_cmd_reg *cmd)
-{
- u32 val;
-
- writel(0x00000100, &cmd->gen_incr_syncpt_ctrl);
- writel(0x0000011a, &cmd->cont_syncpt_vsync);
- writel(0x00000000, &cmd->int_type);
- writel(0x00000000, &cmd->int_polarity);
- writel(0x00000000, &cmd->int_mask);
- writel(0x00000000, &cmd->int_enb);
-
- val = PW0_ENABLE | PW1_ENABLE | PW2_ENABLE;
- val |= PW3_ENABLE | PW4_ENABLE | PM0_ENABLE;
- val |= PM1_ENABLE;
- writel(val, &cmd->disp_pow_ctrl);
-
- val = readl(&cmd->disp_cmd);
- val |= CTRL_MODE_C_DISPLAY << CTRL_MODE_SHIFT;
- writel(val, &cmd->disp_cmd);
-}
-
-static void basic_init_timer(struct dc_disp_reg *disp)
-{
- writel(0x00000020, &disp->mem_high_pri);
- writel(0x00000001, &disp->mem_high_pri_timer);
-}
-
-static const u32 rgb_enb_tab[PIN_REG_COUNT] = {
- 0x00000000,
- 0x00000000,
- 0x00000000,
- 0x00000000,
-};
-
-static const u32 rgb_polarity_tab[PIN_REG_COUNT] = {
- 0x00000000,
- 0x01000000,
- 0x00000000,
- 0x00000000,
-};
-
-static const u32 rgb_data_tab[PIN_REG_COUNT] = {
- 0x00000000,
- 0x00000000,
- 0x00000000,
- 0x00000000,
-};
-
-static const u32 rgb_sel_tab[PIN_OUTPUT_SEL_COUNT] = {
- 0x00000000,
- 0x00000000,
- 0x00000000,
- 0x00000000,
- 0x00210222,
- 0x00002200,
- 0x00020000,
-};
-
-static void rgb_enable(struct dc_com_reg *com)
-{
- int i;
-
- for (i = 0; i < PIN_REG_COUNT; i++) {
- writel(rgb_enb_tab[i], &com->pin_output_enb[i]);
- writel(rgb_polarity_tab[i], &com->pin_output_polarity[i]);
- writel(rgb_data_tab[i], &com->pin_output_data[i]);
- }
-
- for (i = 0; i < PIN_OUTPUT_SEL_COUNT; i++)
- writel(rgb_sel_tab[i], &com->pin_output_sel[i]);
-}
-
-static int setup_window(struct disp_ctl_win *win,
- struct fdt_disp_config *config)
-{
- win->x = 0;
- win->y = 0;
- win->w = config->width;
- win->h = config->height;
- win->out_x = 0;
- win->out_y = 0;
- win->out_w = config->width;
- win->out_h = config->height;
- win->phys_addr = config->frame_buffer;
- win->stride = config->width * (1 << config->log2_bpp) / 8;
- debug("%s: depth = %d\n", __func__, config->log2_bpp);
- switch (config->log2_bpp) {
- case 5:
- case 24:
- win->fmt = COLOR_DEPTH_R8G8B8A8;
- win->bpp = 32;
- break;
- case 4:
- win->fmt = COLOR_DEPTH_B5G6R5;
- win->bpp = 16;
- break;
-
- default:
- debug("Unsupported LCD bit depth");
- return -1;
- }
-
- return 0;
-}
-
-struct fdt_disp_config *tegra_display_get_config(void)
-{
- return config.valid ? &config : NULL;
-}
-
-static void debug_timing(const char *name, unsigned int timing[])
-{
-#ifdef DEBUG
- int i;
-
- debug("%s timing: ", name);
- for (i = 0; i < FDT_LCD_TIMING_COUNT; i++)
- debug("%d ", timing[i]);
- debug("\n");
-#endif
-}
-
-/**
- * Decode panel information from the fdt, according to a standard binding
- *
- * @param blob fdt blob
- * @param node offset of fdt node to read from
- * @param config structure to store fdt config into
- * @return 0 if ok, -ve on error
- */
-static int tegra_decode_panel(const void *blob, int node,
- struct fdt_disp_config *config)
-{
- int front, back, ref;
-
- config->width = fdtdec_get_int(blob, node, "xres", -1);
- config->height = fdtdec_get_int(blob, node, "yres", -1);
- config->pixel_clock = fdtdec_get_int(blob, node, "clock", 0);
- if (!config->pixel_clock || config->width == -1 ||
- config->height == -1) {
- debug("%s: Pixel parameters missing\n", __func__);
- return -FDT_ERR_NOTFOUND;
- }
-
- back = fdtdec_get_int(blob, node, "left-margin", -1);
- front = fdtdec_get_int(blob, node, "right-margin", -1);
- ref = fdtdec_get_int(blob, node, "hsync-len", -1);
- if ((back | front | ref) == -1) {
- debug("%s: Horizontal parameters missing\n", __func__);
- return -FDT_ERR_NOTFOUND;
- }
-
- /* Use a ref-to-sync of 1 always, and take this from the front porch */
- config->horiz_timing[FDT_LCD_TIMING_REF_TO_SYNC] = 1;
- config->horiz_timing[FDT_LCD_TIMING_SYNC_WIDTH] = ref;
- config->horiz_timing[FDT_LCD_TIMING_BACK_PORCH] = back;
- config->horiz_timing[FDT_LCD_TIMING_FRONT_PORCH] = front -
- config->horiz_timing[FDT_LCD_TIMING_REF_TO_SYNC];
- debug_timing("horiz", config->horiz_timing);
-
- back = fdtdec_get_int(blob, node, "upper-margin", -1);
- front = fdtdec_get_int(blob, node, "lower-margin", -1);
- ref = fdtdec_get_int(blob, node, "vsync-len", -1);
- if ((back | front | ref) == -1) {
- debug("%s: Vertical parameters missing\n", __func__);
- return -FDT_ERR_NOTFOUND;
- }
-
- config->vert_timing[FDT_LCD_TIMING_REF_TO_SYNC] = 1;
- config->vert_timing[FDT_LCD_TIMING_SYNC_WIDTH] = ref;
- config->vert_timing[FDT_LCD_TIMING_BACK_PORCH] = back;
- config->vert_timing[FDT_LCD_TIMING_FRONT_PORCH] = front -
- config->vert_timing[FDT_LCD_TIMING_REF_TO_SYNC];
- debug_timing("vert", config->vert_timing);
-
- return 0;
-}
-
-/**
- * Decode the display controller information from the fdt.
- *
- * @param blob fdt blob
- * @param config structure to store fdt config into
- * @return 0 if ok, -ve on error
- */
-static int tegra_display_decode_config(const void *blob,
- struct fdt_disp_config *config)
-{
- int node, rgb;
- int bpp, bit;
-
- /* TODO: Support multiple controllers */
- node = fdtdec_next_compatible(blob, 0, COMPAT_NVIDIA_TEGRA20_DC);
- if (node < 0) {
- debug("%s: Cannot find display controller node in fdt\n",
- __func__);
- return node;
- }
- config->disp = (struct disp_ctlr *)fdtdec_get_addr(blob, node, "reg");
- if (!config->disp) {
- debug("%s: No display controller address\n", __func__);
- return -1;
- }
-
- rgb = fdt_subnode_offset(blob, node, "rgb");
-
- config->panel_node = fdtdec_lookup_phandle(blob, rgb, "nvidia,panel");
- if (config->panel_node < 0) {
- debug("%s: Cannot find panel information\n", __func__);
- return -1;
- }
-
- if (tegra_decode_panel(blob, config->panel_node, config)) {
- debug("%s: Failed to decode panel information\n", __func__);
- return -1;
- }
-
- bpp = fdtdec_get_int(blob, config->panel_node, "nvidia,bits-per-pixel",
- -1);
- bit = ffs(bpp) - 1;
- if (bpp == (1 << bit))
- config->log2_bpp = bit;
- else
- config->log2_bpp = bpp;
- if (bpp == -1) {
- debug("%s: Pixel bpp parameters missing\n", __func__);
- return -FDT_ERR_NOTFOUND;
- }
- config->bpp = bpp;
-
- config->valid = 1; /* we have a valid configuration */
-
- return 0;
-}
-
-int tegra_display_probe(const void *blob, void *default_lcd_base)
-{
- struct disp_ctl_win window;
- struct dc_ctlr *dc;
-
- if (tegra_display_decode_config(blob, &config))
- return -1;
-
- config.frame_buffer = (u32)default_lcd_base;
-
- dc = (struct dc_ctlr *)config.disp;
-
- /*
- * A header file for clock constants was NAKed upstream.
- * TODO: Put this into the FDT and fdt_lcd struct when we have clock
- * support there
- */
- clock_start_periph_pll(PERIPH_ID_HOST1X, CLOCK_ID_PERIPH,
- 144 * 1000000);
- clock_start_periph_pll(PERIPH_ID_DISP1, CLOCK_ID_CGENERAL,
- 600 * 1000000);
- basic_init(&dc->cmd);
- basic_init_timer(&dc->disp);
- rgb_enable(&dc->com);
-
- if (config.pixel_clock)
- update_display_mode(&dc->disp, &config);
-
- if (setup_window(&window, &config))
- return -1;
-
- update_window(dc, &window);
-
- return 0;
-}
+++ /dev/null
-/*
- * Tegra2 pulse width frequency modulator definitions
- *
- * Copyright (c) 2011 The Chromium OS Authors.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <fdtdec.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/pwm.h>
-
-struct pwm_info {
- struct pwm_ctlr *pwm; /* Registers for our pwm controller */
- int pwm_node; /* PWM device tree node */
-} local;
-
-void pwm_enable(unsigned channel, int rate, int pulse_width, int freq_divider)
-{
- u32 reg;
-
- assert(channel < PWM_NUM_CHANNELS);
-
- /* TODO: Can we use clock_adjust_periph_pll_div() here? */
- clock_start_periph_pll(PERIPH_ID_PWM, CLOCK_ID_SFROM32KHZ, rate);
-
- reg = PWM_ENABLE_MASK;
- reg |= pulse_width << PWM_WIDTH_SHIFT;
- reg |= freq_divider << PWM_DIVIDER_SHIFT;
- writel(reg, &local.pwm[channel].control);
- debug("%s: channel=%d, rate=%d\n", __func__, channel, rate);
-}
-
-int pwm_request(const void *blob, int node, const char *prop_name)
-{
- int pwm_node;
- u32 data[3];
-
- if (fdtdec_get_int_array(blob, node, prop_name, data,
- ARRAY_SIZE(data))) {
- debug("%s: Cannot decode PWM property '%s'\n", __func__,
- prop_name);
- return -1;
- }
-
- pwm_node = fdt_node_offset_by_phandle(blob, data[0]);
- if (pwm_node != local.pwm_node) {
- debug("%s: PWM property '%s' phandle %d not recognised"
- "- expecting %d\n", __func__, prop_name, data[0],
- local.pwm_node);
- return -1;
- }
- if (data[1] >= PWM_NUM_CHANNELS) {
- debug("%s: PWM property '%s': invalid channel %u\n", __func__,
- prop_name, data[1]);
- return -1;
- }
-
- /*
- * TODO: We could maintain a list of requests, but it might not be
- * worth it for U-Boot.
- */
- return data[1];
-}
-
-int pwm_init(const void *blob)
-{
- local.pwm_node = fdtdec_next_compatible(blob, 0,
- COMPAT_NVIDIA_TEGRA20_PWM);
- if (local.pwm_node < 0) {
- debug("%s: Cannot find device tree node\n", __func__);
- return -1;
- }
-
- local.pwm = (struct pwm_ctlr *)fdtdec_get_addr(blob, local.pwm_node,
- "reg");
- if (local.pwm == (struct pwm_ctlr *)FDT_ADDR_T_NONE) {
- debug("%s: Cannot find pwm reg address\n", __func__);
- return -1;
- }
- debug("Tegra PWM at %p, node %d\n", local.pwm, local.pwm_node);
-
- return 0;
-}
+++ /dev/null
-if TEGRA30
-
-choice
- prompt "Tegra30 board select"
-
-config TARGET_APALIS_T30
- bool "Toradex Apalis T30 board"
-
-config TARGET_BEAVER
- bool "NVIDIA Tegra30 Beaver evaluation board"
-
-config TARGET_CARDHU
- bool "NVIDIA Tegra30 Cardhu evaluation board"
-
-config TARGET_COLIBRI_T30
- bool "Toradex Colibri T30 board"
-
-config TARGET_TEC_NG
- bool "Avionic Design TEC-NG board"
-
-endchoice
-
-config SYS_SOC
- default "tegra30"
-
-source "board/toradex/apalis_t30/Kconfig"
-source "board/nvidia/beaver/Kconfig"
-source "board/nvidia/cardhu/Kconfig"
-source "board/toradex/colibri_t30/Kconfig"
-source "board/avionic-design/tec-ng/Kconfig"
-
-endif
+++ /dev/null
-#
-# (C) Copyright 2010,2011 Nvidia Corporation.
-#
-# (C) Copyright 2000-2008
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-obj-y += ap.o
-obj-y += board.o
-obj-y += cache.o
-obj-y += clock.o
-obj-y += lowlevel_init.o
-obj-y += pinmux-common.o
-obj-y += powergate.o
-obj-y += xusb-padctl.o
-obj-$(CONFIG_DISPLAY_CPUINFO) += sys_info.o
-obj-$(CONFIG_TEGRA124) += vpr.o
+++ /dev/null
-/*
-* (C) Copyright 2010-2014
-* NVIDIA Corporation <www.nvidia.com>
-*
- * SPDX-License-Identifier: GPL-2.0+
-*/
-
-/* Tegra AP (Application Processor) code */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/gp_padctrl.h>
-#include <asm/arch-tegra/ap.h>
-#include <asm/arch-tegra/clock.h>
-#include <asm/arch-tegra/fuse.h>
-#include <asm/arch-tegra/pmc.h>
-#include <asm/arch-tegra/scu.h>
-#include <asm/arch-tegra/tegra.h>
-#include <asm/arch-tegra/warmboot.h>
-
-int tegra_get_chip(void)
-{
- int rev;
- struct apb_misc_gp_ctlr *gp =
- (struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
-
- /*
- * This is undocumented, Chip ID is bits 15:8 of the register
- * APB_MISC + 0x804, and has value 0x20 for Tegra20, 0x30 for
- * Tegra30, 0x35 for T114, and 0x40 for Tegra124.
- */
- rev = (readl(&gp->hidrev) & HIDREV_CHIPID_MASK) >> HIDREV_CHIPID_SHIFT;
- debug("%s: CHIPID is 0x%02X\n", __func__, rev);
-
- return rev;
-}
-
-int tegra_get_sku_info(void)
-{
- int sku_id;
- struct fuse_regs *fuse = (struct fuse_regs *)NV_PA_FUSE_BASE;
-
- sku_id = readl(&fuse->sku_info) & 0xff;
- debug("%s: SKU info byte is 0x%02X\n", __func__, sku_id);
-
- return sku_id;
-}
-
-int tegra_get_chip_sku(void)
-{
- uint sku_id, chip_id;
-
- chip_id = tegra_get_chip();
- sku_id = tegra_get_sku_info();
-
- switch (chip_id) {
- case CHIPID_TEGRA20:
- switch (sku_id) {
- case SKU_ID_T20_7:
- case SKU_ID_T20:
- return TEGRA_SOC_T20;
- case SKU_ID_T25SE:
- case SKU_ID_AP25:
- case SKU_ID_T25:
- case SKU_ID_AP25E:
- case SKU_ID_T25E:
- return TEGRA_SOC_T25;
- }
- break;
- case CHIPID_TEGRA30:
- switch (sku_id) {
- case SKU_ID_T33:
- case SKU_ID_T30:
- case SKU_ID_TM30MQS_P_A3:
- default:
- return TEGRA_SOC_T30;
- }
- break;
- case CHIPID_TEGRA114:
- switch (sku_id) {
- case SKU_ID_T114_ENG:
- case SKU_ID_T114_1:
- default:
- return TEGRA_SOC_T114;
- }
- break;
- case CHIPID_TEGRA124:
- switch (sku_id) {
- case SKU_ID_T124_ENG:
- default:
- return TEGRA_SOC_T124;
- }
- break;
- }
-
- /* unknown chip/sku id */
- printf("%s: ERROR: UNKNOWN CHIP/SKU ID COMBO (0x%02X/0x%02X)\n",
- __func__, chip_id, sku_id);
- return TEGRA_SOC_UNKNOWN;
-}
-
-static void enable_scu(void)
-{
- struct scu_ctlr *scu = (struct scu_ctlr *)NV_PA_ARM_PERIPHBASE;
- u32 reg;
-
- /* Only enable the SCU on T20/T25 */
- if (tegra_get_chip() != CHIPID_TEGRA20)
- return;
-
- /* If SCU already setup/enabled, return */
- if (readl(&scu->scu_ctrl) & SCU_CTRL_ENABLE)
- return;
-
- /* Invalidate all ways for all processors */
- writel(0xFFFF, &scu->scu_inv_all);
-
- /* Enable SCU - bit 0 */
- reg = readl(&scu->scu_ctrl);
- reg |= SCU_CTRL_ENABLE;
- writel(reg, &scu->scu_ctrl);
-}
-
-static u32 get_odmdata(void)
-{
- /*
- * ODMDATA is stored in the BCT in IRAM by the BootROM.
- * The BCT start and size are stored in the BIT in IRAM.
- * Read the data @ bct_start + (bct_size - 12). This works
- * on BCTs for currently supported SoCs, which are locked down.
- * If this changes in new chips, we can revisit this algorithm.
- */
-
- u32 bct_start, odmdata;
-
- bct_start = readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BCTPTR);
- odmdata = readl(bct_start + BCT_ODMDATA_OFFSET);
-
- return odmdata;
-}
-
-static void init_pmc_scratch(void)
-{
- struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
- u32 odmdata;
- int i;
-
- /* SCRATCH0 is initialized by the boot ROM and shouldn't be cleared */
- for (i = 0; i < 23; i++)
- writel(0, &pmc->pmc_scratch1+i);
-
- /* ODMDATA is for kernel use to determine RAM size, LP config, etc. */
- odmdata = get_odmdata();
- writel(odmdata, &pmc->pmc_scratch20);
-}
-
-void s_init(void)
-{
- /* Init PMC scratch memory */
- init_pmc_scratch();
-
- enable_scu();
-
- /* init the cache */
- config_cache();
-
- /* init vpr */
- config_vpr();
-}
+++ /dev/null
-/*
- * (C) Copyright 2010-2014
- * NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/funcmux.h>
-#include <asm/arch/mc.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/board.h>
-#include <asm/arch-tegra/pmc.h>
-#include <asm/arch-tegra/sys_proto.h>
-#include <asm/arch-tegra/warmboot.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-enum {
- /* UARTs which we can enable */
- UARTA = 1 << 0,
- UARTB = 1 << 1,
- UARTC = 1 << 2,
- UARTD = 1 << 3,
- UARTE = 1 << 4,
- UART_COUNT = 5,
-};
-
-/* Read the RAM size directly from the memory controller */
-unsigned int query_sdram_size(void)
-{
- struct mc_ctlr *const mc = (struct mc_ctlr *)NV_PA_MC_BASE;
- u32 size_mb;
-
- size_mb = readl(&mc->mc_emem_cfg);
-#if defined(CONFIG_TEGRA20)
- debug("mc->mc_emem_cfg (MEM_SIZE_KB) = 0x%08x\n", size_mb);
- size_mb = get_ram_size((void *)PHYS_SDRAM_1, size_mb * 1024);
-#else
- debug("mc->mc_emem_cfg (MEM_SIZE_MB) = 0x%08x\n", size_mb);
- size_mb = get_ram_size((void *)PHYS_SDRAM_1, size_mb * 1024 * 1024);
-#endif
-
-#if defined(CONFIG_TEGRA30) || defined(CONFIG_TEGRA114)
- /* External memory limited to 2047 MB due to IROM/HI-VEC */
- if (size_mb == SZ_2G) size_mb -= SZ_1M;
-#endif
-
- return size_mb;
-}
-
-int dram_init(void)
-{
- /* We do not initialise DRAM here. We just query the size */
- gd->ram_size = query_sdram_size();
- return 0;
-}
-
-#ifdef CONFIG_DISPLAY_BOARDINFO
-int checkboard(void)
-{
- printf("Board: %s\n", sysinfo.board_string);
- return 0;
-}
-#endif /* CONFIG_DISPLAY_BOARDINFO */
-
-static int uart_configs[] = {
-#if defined(CONFIG_TEGRA20)
- #if defined(CONFIG_TEGRA_UARTA_UAA_UAB)
- FUNCMUX_UART1_UAA_UAB,
- #elif defined(CONFIG_TEGRA_UARTA_GPU)
- FUNCMUX_UART1_GPU,
- #elif defined(CONFIG_TEGRA_UARTA_SDIO1)
- FUNCMUX_UART1_SDIO1,
- #else
- FUNCMUX_UART1_IRRX_IRTX,
-#endif
- FUNCMUX_UART2_UAD,
- -1,
- FUNCMUX_UART4_GMC,
- -1,
-#elif defined(CONFIG_TEGRA30)
- FUNCMUX_UART1_ULPI, /* UARTA */
- -1,
- -1,
- -1,
- -1,
-#elif defined(CONFIG_TEGRA114)
- -1,
- -1,
- -1,
- FUNCMUX_UART4_GMI, /* UARTD */
- -1,
-#else /* Tegra124 */
- FUNCMUX_UART1_KBC, /* UARTA */
- -1,
- -1,
- FUNCMUX_UART4_GPIO, /* UARTD */
- -1,
-#endif
-};
-
-/**
- * Set up the specified uarts
- *
- * @param uarts_ids Mask containing UARTs to init (UARTx)
- */
-static void setup_uarts(int uart_ids)
-{
- static enum periph_id id_for_uart[] = {
- PERIPH_ID_UART1,
- PERIPH_ID_UART2,
- PERIPH_ID_UART3,
- PERIPH_ID_UART4,
- PERIPH_ID_UART5,
- };
- size_t i;
-
- for (i = 0; i < UART_COUNT; i++) {
- if (uart_ids & (1 << i)) {
- enum periph_id id = id_for_uart[i];
-
- funcmux_select(id, uart_configs[i]);
- clock_ll_start_uart(id);
- }
- }
-}
-
-void board_init_uart_f(void)
-{
- int uart_ids = 0; /* bit mask of which UART ids to enable */
-
-#ifdef CONFIG_TEGRA_ENABLE_UARTA
- uart_ids |= UARTA;
-#endif
-#ifdef CONFIG_TEGRA_ENABLE_UARTB
- uart_ids |= UARTB;
-#endif
-#ifdef CONFIG_TEGRA_ENABLE_UARTC
- uart_ids |= UARTC;
-#endif
-#ifdef CONFIG_TEGRA_ENABLE_UARTD
- uart_ids |= UARTD;
-#endif
-#ifdef CONFIG_TEGRA_ENABLE_UARTE
- uart_ids |= UARTE;
-#endif
- setup_uarts(uart_ids);
-}
-
-#ifndef CONFIG_SYS_DCACHE_OFF
-void enable_caches(void)
-{
- /* Enable D-cache. I-cache is already enabled in start.S */
- dcache_enable();
-}
-#endif
+++ /dev/null
-/*
- * Copyright (c) 2013-2014, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* Tegra cache routines */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch-tegra/ap.h>
-#include <asm/arch/gp_padctrl.h>
-
-void config_cache(void)
-{
- u32 reg = 0;
-
- /* enable SMP mode and FW for CPU0, by writing to Auxiliary Ctl reg */
- asm volatile(
- "mrc p15, 0, r0, c1, c0, 1\n"
- "orr r0, r0, #0x41\n"
- "mcr p15, 0, r0, c1, c0, 1\n");
-
- /* Currently, only Tegra114+ needs this L2 cache change to boot Linux */
- if (tegra_get_chip() < CHIPID_TEGRA114)
- return;
-
- /*
- * Systems with an architectural L2 cache must not use the PL310.
- * Config L2CTLR here for a data RAM latency of 3 cycles.
- */
- asm("mrc p15, 1, %0, c9, c0, 2" : : "r" (reg));
- reg &= ~7;
- reg |= 2;
- asm("mcr p15, 1, %0, c9, c0, 2" : : "r" (reg));
-}
+++ /dev/null
-/*
- * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* Tegra SoC common clock control functions */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/clk_rst.h>
-#include <asm/arch-tegra/timer.h>
-#include <div64.h>
-#include <fdtdec.h>
-
-/*
- * This is our record of the current clock rate of each clock. We don't
- * fill all of these in since we are only really interested in clocks which
- * we use as parents.
- */
-static unsigned pll_rate[CLOCK_ID_COUNT];
-
-/*
- * The oscillator frequency is fixed to one of four set values. Based on this
- * the other clocks are set up appropriately.
- */
-static unsigned osc_freq[CLOCK_OSC_FREQ_COUNT] = {
- 13000000,
- 19200000,
- 12000000,
- 26000000,
-};
-
-/* return 1 if a peripheral ID is in range */
-#define clock_type_id_isvalid(id) ((id) >= 0 && \
- (id) < CLOCK_TYPE_COUNT)
-
-char pllp_valid = 1; /* PLLP is set up correctly */
-
-/* return 1 if a periphc_internal_id is in range */
-#define periphc_internal_id_isvalid(id) ((id) >= 0 && \
- (id) < PERIPHC_COUNT)
-
-/* number of clock outputs of a PLL */
-static const u8 pll_num_clkouts[] = {
- 1, /* PLLC */
- 1, /* PLLM */
- 4, /* PLLP */
- 1, /* PLLA */
- 0, /* PLLU */
- 0, /* PLLD */
-};
-
-int clock_get_osc_bypass(void)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 reg;
-
- reg = readl(&clkrst->crc_osc_ctrl);
- return (reg & OSC_XOBP_MASK) >> OSC_XOBP_SHIFT;
-}
-
-/* Returns a pointer to the registers of the given pll */
-static struct clk_pll *get_pll(enum clock_id clkid)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
-
- assert(clock_id_is_pll(clkid));
- return &clkrst->crc_pll[clkid];
-}
-
-int clock_ll_read_pll(enum clock_id clkid, u32 *divm, u32 *divn,
- u32 *divp, u32 *cpcon, u32 *lfcon)
-{
- struct clk_pll *pll = get_pll(clkid);
- u32 data;
-
- assert(clkid != CLOCK_ID_USB);
-
- /* Safety check, adds to code size but is small */
- if (!clock_id_is_pll(clkid) || clkid == CLOCK_ID_USB)
- return -1;
- data = readl(&pll->pll_base);
- *divm = (data & PLL_DIVM_MASK) >> PLL_DIVM_SHIFT;
- *divn = (data & PLL_DIVN_MASK) >> PLL_DIVN_SHIFT;
- *divp = (data & PLL_DIVP_MASK) >> PLL_DIVP_SHIFT;
- data = readl(&pll->pll_misc);
- *cpcon = (data & PLL_CPCON_MASK) >> PLL_CPCON_SHIFT;
- *lfcon = (data & PLL_LFCON_MASK) >> PLL_LFCON_SHIFT;
-
- return 0;
-}
-
-unsigned long clock_start_pll(enum clock_id clkid, u32 divm, u32 divn,
- u32 divp, u32 cpcon, u32 lfcon)
-{
- struct clk_pll *pll = get_pll(clkid);
- u32 data;
-
- /*
- * We cheat by treating all PLL (except PLLU) in the same fashion.
- * This works only because:
- * - same fields are always mapped at same offsets, except DCCON
- * - DCCON is always 0, doesn't conflict
- * - M,N, P of PLLP values are ignored for PLLP
- */
- data = (cpcon << PLL_CPCON_SHIFT) | (lfcon << PLL_LFCON_SHIFT);
- writel(data, &pll->pll_misc);
-
- data = (divm << PLL_DIVM_SHIFT) | (divn << PLL_DIVN_SHIFT) |
- (0 << PLL_BYPASS_SHIFT) | (1 << PLL_ENABLE_SHIFT);
-
- if (clkid == CLOCK_ID_USB)
- data |= divp << PLLU_VCO_FREQ_SHIFT;
- else
- data |= divp << PLL_DIVP_SHIFT;
- writel(data, &pll->pll_base);
-
- /* calculate the stable time */
- return timer_get_us() + CLOCK_PLL_STABLE_DELAY_US;
-}
-
-void clock_ll_set_source_divisor(enum periph_id periph_id, unsigned source,
- unsigned divisor)
-{
- u32 *reg = get_periph_source_reg(periph_id);
- u32 value;
-
- value = readl(reg);
-
- value &= ~OUT_CLK_SOURCE_31_30_MASK;
- value |= source << OUT_CLK_SOURCE_31_30_SHIFT;
-
- value &= ~OUT_CLK_DIVISOR_MASK;
- value |= divisor << OUT_CLK_DIVISOR_SHIFT;
-
- writel(value, reg);
-}
-
-void clock_ll_set_source(enum periph_id periph_id, unsigned source)
-{
- u32 *reg = get_periph_source_reg(periph_id);
-
- clrsetbits_le32(reg, OUT_CLK_SOURCE_31_30_MASK,
- source << OUT_CLK_SOURCE_31_30_SHIFT);
-}
-
-/**
- * Given the parent's rate and the required rate for the children, this works
- * out the peripheral clock divider to use, in 7.1 binary format.
- *
- * @param divider_bits number of divider bits (8 or 16)
- * @param parent_rate clock rate of parent clock in Hz
- * @param rate required clock rate for this clock
- * @return divider which should be used
- */
-static int clk_get_divider(unsigned divider_bits, unsigned long parent_rate,
- unsigned long rate)
-{
- u64 divider = parent_rate * 2;
- unsigned max_divider = 1 << divider_bits;
-
- divider += rate - 1;
- do_div(divider, rate);
-
- if ((s64)divider - 2 < 0)
- return 0;
-
- if ((s64)divider - 2 >= max_divider)
- return -1;
-
- return divider - 2;
-}
-
-int clock_set_pllout(enum clock_id clkid, enum pll_out_id pllout, unsigned rate)
-{
- struct clk_pll *pll = get_pll(clkid);
- int data = 0, div = 0, offset = 0;
-
- if (!clock_id_is_pll(clkid))
- return -1;
-
- if (pllout + 1 > pll_num_clkouts[clkid])
- return -1;
-
- div = clk_get_divider(8, pll_rate[clkid], rate);
-
- if (div < 0)
- return -1;
-
- /* out2 and out4 are in the high part of the register */
- if (pllout == PLL_OUT2 || pllout == PLL_OUT4)
- offset = 16;
-
- data = (div << PLL_OUT_RATIO_SHIFT) |
- PLL_OUT_OVRRIDE | PLL_OUT_CLKEN | PLL_OUT_RSTN;
- clrsetbits_le32(&pll->pll_out[pllout >> 1],
- PLL_OUT_RATIO_MASK << offset, data << offset);
-
- return 0;
-}
-
-/**
- * Given the parent's rate and the divider in 7.1 format, this works out the
- * resulting peripheral clock rate.
- *
- * @param parent_rate clock rate of parent clock in Hz
- * @param divider which should be used in 7.1 format
- * @return effective clock rate of peripheral
- */
-static unsigned long get_rate_from_divider(unsigned long parent_rate,
- int divider)
-{
- u64 rate;
-
- rate = (u64)parent_rate * 2;
- do_div(rate, divider + 2);
- return rate;
-}
-
-unsigned long clock_get_periph_rate(enum periph_id periph_id,
- enum clock_id parent)
-{
- u32 *reg = get_periph_source_reg(periph_id);
-
- return get_rate_from_divider(pll_rate[parent],
- (readl(reg) & OUT_CLK_DIVISOR_MASK) >> OUT_CLK_DIVISOR_SHIFT);
-}
-
-/**
- * Find the best available 7.1 format divisor given a parent clock rate and
- * required child clock rate. This function assumes that a second-stage
- * divisor is available which can divide by powers of 2 from 1 to 256.
- *
- * @param divider_bits number of divider bits (8 or 16)
- * @param parent_rate clock rate of parent clock in Hz
- * @param rate required clock rate for this clock
- * @param extra_div value for the second-stage divisor (not set if this
- * function returns -1.
- * @return divider which should be used, or -1 if nothing is valid
- *
- */
-static int find_best_divider(unsigned divider_bits, unsigned long parent_rate,
- unsigned long rate, int *extra_div)
-{
- int shift;
- int best_divider = -1;
- int best_error = rate;
-
- /* try dividers from 1 to 256 and find closest match */
- for (shift = 0; shift <= 8 && best_error > 0; shift++) {
- unsigned divided_parent = parent_rate >> shift;
- int divider = clk_get_divider(divider_bits, divided_parent,
- rate);
- unsigned effective_rate = get_rate_from_divider(divided_parent,
- divider);
- int error = rate - effective_rate;
-
- /* Given a valid divider, look for the lowest error */
- if (divider != -1 && error < best_error) {
- best_error = error;
- *extra_div = 1 << shift;
- best_divider = divider;
- }
- }
-
- /* return what we found - *extra_div will already be set */
- return best_divider;
-}
-
-/**
- * Adjust peripheral PLL to use the given divider and source.
- *
- * @param periph_id peripheral to adjust
- * @param source Source number (0-3 or 0-7)
- * @param mux_bits Number of mux bits (2 or 4)
- * @param divider Required divider in 7.1 or 15.1 format
- * @return 0 if ok, -1 on error (requesting a parent clock which is not valid
- * for this peripheral)
- */
-static int adjust_periph_pll(enum periph_id periph_id, int source,
- int mux_bits, unsigned divider)
-{
- u32 *reg = get_periph_source_reg(periph_id);
-
- clrsetbits_le32(reg, OUT_CLK_DIVISOR_MASK,
- divider << OUT_CLK_DIVISOR_SHIFT);
- udelay(1);
-
- /* work out the source clock and set it */
- if (source < 0)
- return -1;
-
- switch (mux_bits) {
- case MASK_BITS_31_30:
- clrsetbits_le32(reg, OUT_CLK_SOURCE_31_30_MASK,
- source << OUT_CLK_SOURCE_31_30_SHIFT);
- break;
-
- case MASK_BITS_31_29:
- clrsetbits_le32(reg, OUT_CLK_SOURCE_31_29_MASK,
- source << OUT_CLK_SOURCE_31_29_SHIFT);
- break;
-
- case MASK_BITS_31_28:
- clrsetbits_le32(reg, OUT_CLK_SOURCE_31_28_MASK,
- source << OUT_CLK_SOURCE_31_28_SHIFT);
- break;
-
- default:
- return -1;
- }
-
- udelay(2);
- return 0;
-}
-
-unsigned clock_adjust_periph_pll_div(enum periph_id periph_id,
- enum clock_id parent, unsigned rate, int *extra_div)
-{
- unsigned effective_rate;
- int mux_bits, divider_bits, source;
- int divider;
- int xdiv = 0;
-
- /* work out the source clock and set it */
- source = get_periph_clock_source(periph_id, parent, &mux_bits,
- ÷r_bits);
-
- divider = find_best_divider(divider_bits, pll_rate[parent],
- rate, &xdiv);
- if (extra_div)
- *extra_div = xdiv;
-
- assert(divider >= 0);
- if (adjust_periph_pll(periph_id, source, mux_bits, divider))
- return -1U;
- debug("periph %d, rate=%d, reg=%p = %x\n", periph_id, rate,
- get_periph_source_reg(periph_id),
- readl(get_periph_source_reg(periph_id)));
-
- /* Check what we ended up with. This shouldn't matter though */
- effective_rate = clock_get_periph_rate(periph_id, parent);
- if (extra_div)
- effective_rate /= *extra_div;
- if (rate != effective_rate)
- debug("Requested clock rate %u not honored (got %u)\n",
- rate, effective_rate);
- return effective_rate;
-}
-
-unsigned clock_start_periph_pll(enum periph_id periph_id,
- enum clock_id parent, unsigned rate)
-{
- unsigned effective_rate;
-
- reset_set_enable(periph_id, 1);
- clock_enable(periph_id);
-
- effective_rate = clock_adjust_periph_pll_div(periph_id, parent, rate,
- NULL);
-
- reset_set_enable(periph_id, 0);
- return effective_rate;
-}
-
-void clock_enable(enum periph_id clkid)
-{
- clock_set_enable(clkid, 1);
-}
-
-void clock_disable(enum periph_id clkid)
-{
- clock_set_enable(clkid, 0);
-}
-
-void reset_periph(enum periph_id periph_id, int us_delay)
-{
- /* Put peripheral into reset */
- reset_set_enable(periph_id, 1);
- udelay(us_delay);
-
- /* Remove reset */
- reset_set_enable(periph_id, 0);
-
- udelay(us_delay);
-}
-
-void reset_cmplx_set_enable(int cpu, int which, int reset)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 mask;
-
- /* Form the mask, which depends on the cpu chosen (2 or 4) */
- assert(cpu >= 0 && cpu < MAX_NUM_CPU);
- mask = which << cpu;
-
- /* either enable or disable those reset for that CPU */
- if (reset)
- writel(mask, &clkrst->crc_cpu_cmplx_set);
- else
- writel(mask, &clkrst->crc_cpu_cmplx_clr);
-}
-
-unsigned clock_get_rate(enum clock_id clkid)
-{
- struct clk_pll *pll;
- u32 base;
- u32 divm;
- u64 parent_rate;
- u64 rate;
-
- parent_rate = osc_freq[clock_get_osc_freq()];
- if (clkid == CLOCK_ID_OSC)
- return parent_rate;
-
- pll = get_pll(clkid);
- base = readl(&pll->pll_base);
-
- /* Oh for bf_unpack()... */
- rate = parent_rate * ((base & PLL_DIVN_MASK) >> PLL_DIVN_SHIFT);
- divm = (base & PLL_DIVM_MASK) >> PLL_DIVM_SHIFT;
- if (clkid == CLOCK_ID_USB)
- divm <<= (base & PLLU_VCO_FREQ_MASK) >> PLLU_VCO_FREQ_SHIFT;
- else
- divm <<= (base & PLL_DIVP_MASK) >> PLL_DIVP_SHIFT;
- do_div(rate, divm);
- return rate;
-}
-
-/**
- * Set the output frequency you want for each PLL clock.
- * PLL output frequencies are programmed by setting their N, M and P values.
- * The governing equations are:
- * VCO = (Fi / m) * n, Fo = VCO / (2^p)
- * where Fo is the output frequency from the PLL.
- * Example: Set the output frequency to 216Mhz(Fo) with 12Mhz OSC(Fi)
- * 216Mhz = ((12Mhz / m) * n) / (2^p) so n=432,m=12,p=1
- * Please see Tegra TRM section 5.3 to get the detail for PLL Programming
- *
- * @param n PLL feedback divider(DIVN)
- * @param m PLL input divider(DIVN)
- * @param p post divider(DIVP)
- * @param cpcon base PLL charge pump(CPCON)
- * @return 0 if ok, -1 on error (the requested PLL is incorrect and cannot
- * be overriden), 1 if PLL is already correct
- */
-int clock_set_rate(enum clock_id clkid, u32 n, u32 m, u32 p, u32 cpcon)
-{
- u32 base_reg;
- u32 misc_reg;
- struct clk_pll *pll;
-
- pll = get_pll(clkid);
-
- base_reg = readl(&pll->pll_base);
-
- /* Set BYPASS, m, n and p to PLL_BASE */
- base_reg &= ~PLL_DIVM_MASK;
- base_reg |= m << PLL_DIVM_SHIFT;
-
- base_reg &= ~PLL_DIVN_MASK;
- base_reg |= n << PLL_DIVN_SHIFT;
-
- base_reg &= ~PLL_DIVP_MASK;
- base_reg |= p << PLL_DIVP_SHIFT;
-
- if (clkid == CLOCK_ID_PERIPH) {
- /*
- * If the PLL is already set up, check that it is correct
- * and record this info for clock_verify() to check.
- */
- if (base_reg & PLL_BASE_OVRRIDE_MASK) {
- base_reg |= PLL_ENABLE_MASK;
- if (base_reg != readl(&pll->pll_base))
- pllp_valid = 0;
- return pllp_valid ? 1 : -1;
- }
- base_reg |= PLL_BASE_OVRRIDE_MASK;
- }
-
- base_reg |= PLL_BYPASS_MASK;
- writel(base_reg, &pll->pll_base);
-
- /* Set cpcon to PLL_MISC */
- misc_reg = readl(&pll->pll_misc);
- misc_reg &= ~PLL_CPCON_MASK;
- misc_reg |= cpcon << PLL_CPCON_SHIFT;
- writel(misc_reg, &pll->pll_misc);
-
- /* Enable PLL */
- base_reg |= PLL_ENABLE_MASK;
- writel(base_reg, &pll->pll_base);
-
- /* Disable BYPASS */
- base_reg &= ~PLL_BYPASS_MASK;
- writel(base_reg, &pll->pll_base);
-
- return 0;
-}
-
-void clock_ll_start_uart(enum periph_id periph_id)
-{
- /* Assert UART reset and enable clock */
- reset_set_enable(periph_id, 1);
- clock_enable(periph_id);
- clock_ll_set_source(periph_id, 0); /* UARTx_CLK_SRC = 00, PLLP_OUT0 */
-
- /* wait for 2us */
- udelay(2);
-
- /* De-assert reset to UART */
- reset_set_enable(periph_id, 0);
-}
-
-#ifdef CONFIG_OF_CONTROL
-int clock_decode_periph_id(const void *blob, int node)
-{
- enum periph_id id;
- u32 cell[2];
- int err;
-
- err = fdtdec_get_int_array(blob, node, "clocks", cell,
- ARRAY_SIZE(cell));
- if (err)
- return -1;
- id = clk_id_to_periph_id(cell[1]);
- assert(clock_periph_id_isvalid(id));
- return id;
-}
-#endif /* CONFIG_OF_CONTROL */
-
-int clock_verify(void)
-{
- struct clk_pll *pll = get_pll(CLOCK_ID_PERIPH);
- u32 reg = readl(&pll->pll_base);
-
- if (!pllp_valid) {
- printf("Warning: PLLP %x is not correct\n", reg);
- return -1;
- }
- debug("PLLP %x is correct\n", reg);
- return 0;
-}
-
-void clock_init(void)
-{
- pll_rate[CLOCK_ID_MEMORY] = clock_get_rate(CLOCK_ID_MEMORY);
- pll_rate[CLOCK_ID_PERIPH] = clock_get_rate(CLOCK_ID_PERIPH);
- pll_rate[CLOCK_ID_CGENERAL] = clock_get_rate(CLOCK_ID_CGENERAL);
- pll_rate[CLOCK_ID_OSC] = clock_get_rate(CLOCK_ID_OSC);
- pll_rate[CLOCK_ID_SFROM32KHZ] = 32768;
- pll_rate[CLOCK_ID_XCPU] = clock_get_rate(CLOCK_ID_XCPU);
- debug("Osc = %d\n", pll_rate[CLOCK_ID_OSC]);
- debug("PLLM = %d\n", pll_rate[CLOCK_ID_MEMORY]);
- debug("PLLP = %d\n", pll_rate[CLOCK_ID_PERIPH]);
- debug("PLLC = %d\n", pll_rate[CLOCK_ID_CGENERAL]);
- debug("PLLX = %d\n", pll_rate[CLOCK_ID_XCPU]);
-
- /* Do any special system timer/TSC setup */
- arch_timer_init();
-}
-
-static void set_avp_clock_source(u32 src)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 val;
-
- val = (src << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT) |
- (src << SCLK_SWAKEUP_IRQ_SOURCE_SHIFT) |
- (src << SCLK_SWAKEUP_RUN_SOURCE_SHIFT) |
- (src << SCLK_SWAKEUP_IDLE_SOURCE_SHIFT) |
- (SCLK_SYS_STATE_RUN << SCLK_SYS_STATE_SHIFT);
- writel(val, &clkrst->crc_sclk_brst_pol);
- udelay(3);
-}
-
-/*
- * This function is useful on Tegra30, and any later SoCs that have compatible
- * PLLP configuration registers.
- */
-void tegra30_set_up_pllp(void)
-{
- struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 reg;
-
- /*
- * Based on the Tegra TRM, the system clock (which is the AVP clock) can
- * run up to 275MHz. On power on, the default sytem clock source is set
- * to PLLP_OUT0. This function sets PLLP's (hence PLLP_OUT0's) rate to
- * 408MHz which is beyond system clock's upper limit.
- *
- * The fix is to set the system clock to CLK_M before initializing PLLP,
- * and then switch back to PLLP_OUT4, which has an appropriate divider
- * configured, after PLLP has been configured
- */
- set_avp_clock_source(SCLK_SOURCE_CLKM);
-
- /*
- * PLLP output frequency set to 408Mhz
- * PLLC output frequency set to 228Mhz
- */
- switch (clock_get_osc_freq()) {
- case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */
- clock_set_rate(CLOCK_ID_PERIPH, 408, 12, 0, 8);
- clock_set_rate(CLOCK_ID_CGENERAL, 456, 12, 1, 8);
- break;
-
- case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */
- clock_set_rate(CLOCK_ID_PERIPH, 408, 26, 0, 8);
- clock_set_rate(CLOCK_ID_CGENERAL, 600, 26, 0, 8);
- break;
-
- case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */
- clock_set_rate(CLOCK_ID_PERIPH, 408, 13, 0, 8);
- clock_set_rate(CLOCK_ID_CGENERAL, 600, 13, 0, 8);
- break;
- case CLOCK_OSC_FREQ_19_2:
- default:
- /*
- * These are not supported. It is too early to print a
- * message and the UART likely won't work anyway due to the
- * oscillator being wrong.
- */
- break;
- }
-
- /* Set PLLP_OUT1, 2, 3 & 4 freqs to 9.6, 48, 102 & 204MHz */
-
- /* OUT1, 2 */
- /* Assert RSTN before enable */
- reg = PLLP_OUT2_RSTN_EN | PLLP_OUT1_RSTN_EN;
- writel(reg, &clkrst->crc_pll[CLOCK_ID_PERIPH].pll_out[0]);
- /* Set divisor and reenable */
- reg = (IN_408_OUT_48_DIVISOR << PLLP_OUT2_RATIO)
- | PLLP_OUT2_OVR | PLLP_OUT2_CLKEN | PLLP_OUT2_RSTN_DIS
- | (IN_408_OUT_9_6_DIVISOR << PLLP_OUT1_RATIO)
- | PLLP_OUT1_OVR | PLLP_OUT1_CLKEN | PLLP_OUT1_RSTN_DIS;
- writel(reg, &clkrst->crc_pll[CLOCK_ID_PERIPH].pll_out[0]);
-
- /* OUT3, 4 */
- /* Assert RSTN before enable */
- reg = PLLP_OUT4_RSTN_EN | PLLP_OUT3_RSTN_EN;
- writel(reg, &clkrst->crc_pll[CLOCK_ID_PERIPH].pll_out[1]);
- /* Set divisor and reenable */
- reg = (IN_408_OUT_204_DIVISOR << PLLP_OUT4_RATIO)
- | PLLP_OUT4_OVR | PLLP_OUT4_CLKEN | PLLP_OUT4_RSTN_DIS
- | (IN_408_OUT_102_DIVISOR << PLLP_OUT3_RATIO)
- | PLLP_OUT3_OVR | PLLP_OUT3_CLKEN | PLLP_OUT3_RSTN_DIS;
- writel(reg, &clkrst->crc_pll[CLOCK_ID_PERIPH].pll_out[1]);
-
- set_avp_clock_source(SCLK_SOURCE_PLLP_OUT4);
-}
+++ /dev/null
-/*
- * SoC-specific setup info
- *
- * (C) Copyright 2010,2011
- * NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <config.h>
-#include <version.h>
-#include <linux/linkage.h>
-
- .align 5
-ENTRY(reset_cpu)
- ldr r1, rstctl @ get addr for global reset
- @ reg
- ldr r3, [r1]
- orr r3, r3, #0x10
- str r3, [r1] @ force reset
- mov r0, r0
-_loop_forever:
- b _loop_forever
-rstctl:
- .word PRM_RSTCTRL
-ENDPROC(reset_cpu)
+++ /dev/null
-/*
- * Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
- * Copyright (c) 2011 The Chromium OS Authors.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/pinmux.h>
-
-/* return 1 if a pingrp is in range */
-#define pmux_pingrp_isvalid(pin) (((pin) >= 0) && ((pin) < PMUX_PINGRP_COUNT))
-
-/* return 1 if a pmux_func is in range */
-#define pmux_func_isvalid(func) \
- (((func) >= 0) && ((func) < PMUX_FUNC_COUNT))
-
-/* return 1 if a pin_pupd_is in range */
-#define pmux_pin_pupd_isvalid(pupd) \
- (((pupd) >= PMUX_PULL_NORMAL) && ((pupd) <= PMUX_PULL_UP))
-
-/* return 1 if a pin_tristate_is in range */
-#define pmux_pin_tristate_isvalid(tristate) \
- (((tristate) >= PMUX_TRI_NORMAL) && ((tristate) <= PMUX_TRI_TRISTATE))
-
-#ifdef TEGRA_PMX_HAS_PIN_IO_BIT_ETC
-/* return 1 if a pin_io_is in range */
-#define pmux_pin_io_isvalid(io) \
- (((io) >= PMUX_PIN_OUTPUT) && ((io) <= PMUX_PIN_INPUT))
-
-/* return 1 if a pin_lock is in range */
-#define pmux_pin_lock_isvalid(lock) \
- (((lock) >= PMUX_PIN_LOCK_DISABLE) && ((lock) <= PMUX_PIN_LOCK_ENABLE))
-
-/* return 1 if a pin_od is in range */
-#define pmux_pin_od_isvalid(od) \
- (((od) >= PMUX_PIN_OD_DISABLE) && ((od) <= PMUX_PIN_OD_ENABLE))
-
-/* return 1 if a pin_ioreset_is in range */
-#define pmux_pin_ioreset_isvalid(ioreset) \
- (((ioreset) >= PMUX_PIN_IO_RESET_DISABLE) && \
- ((ioreset) <= PMUX_PIN_IO_RESET_ENABLE))
-
-#ifdef TEGRA_PMX_HAS_RCV_SEL
-/* return 1 if a pin_rcv_sel_is in range */
-#define pmux_pin_rcv_sel_isvalid(rcv_sel) \
- (((rcv_sel) >= PMUX_PIN_RCV_SEL_NORMAL) && \
- ((rcv_sel) <= PMUX_PIN_RCV_SEL_HIGH))
-#endif /* TEGRA_PMX_HAS_RCV_SEL */
-#endif /* TEGRA_PMX_HAS_PIN_IO_BIT_ETC */
-
-#define _R(offset) (u32 *)(NV_PA_APB_MISC_BASE + (offset))
-
-#if defined(CONFIG_TEGRA20)
-
-#define MUX_REG(grp) _R(0x80 + ((tegra_soc_pingroups[grp].ctl_id / 16) * 4))
-#define MUX_SHIFT(grp) ((tegra_soc_pingroups[grp].ctl_id % 16) * 2)
-
-#define PULL_REG(grp) _R(0xa0 + ((tegra_soc_pingroups[grp].pull_id / 16) * 4))
-#define PULL_SHIFT(grp) ((tegra_soc_pingroups[grp].pull_id % 16) * 2)
-
-#define TRI_REG(grp) _R(0x14 + (((grp) / 32) * 4))
-#define TRI_SHIFT(grp) ((grp) % 32)
-
-#else
-
-#define REG(pin) _R(0x3000 + ((pin) * 4))
-
-#define MUX_REG(pin) REG(pin)
-#define MUX_SHIFT(pin) 0
-
-#define PULL_REG(pin) REG(pin)
-#define PULL_SHIFT(pin) 2
-
-#define TRI_REG(pin) REG(pin)
-#define TRI_SHIFT(pin) 4
-
-#endif /* CONFIG_TEGRA20 */
-
-#define DRV_REG(group) _R(0x868 + ((group) * 4))
-
-#define IO_SHIFT 5
-#define OD_SHIFT 6
-#define LOCK_SHIFT 7
-#define IO_RESET_SHIFT 8
-#define RCV_SEL_SHIFT 9
-
-#if !defined(CONFIG_TEGRA20) && !defined(CONFIG_TEGRA30)
-/* This register/field only exists on Tegra114 and later */
-#define APB_MISC_PP_PINMUX_GLOBAL_0 0x40
-#define CLAMP_INPUTS_WHEN_TRISTATED 1
-
-void pinmux_set_tristate_input_clamping(void)
-{
- u32 *reg = _R(APB_MISC_PP_PINMUX_GLOBAL_0);
- u32 val;
-
- val = readl(reg);
- val |= CLAMP_INPUTS_WHEN_TRISTATED;
- writel(val, reg);
-}
-#endif
-
-void pinmux_set_func(enum pmux_pingrp pin, enum pmux_func func)
-{
- u32 *reg = MUX_REG(pin);
- int i, mux = -1;
- u32 val;
-
- if (func == PMUX_FUNC_DEFAULT)
- return;
-
- /* Error check on pin and func */
- assert(pmux_pingrp_isvalid(pin));
- assert(pmux_func_isvalid(func));
-
- if (func >= PMUX_FUNC_RSVD1) {
- mux = (func - PMUX_FUNC_RSVD1) & 3;
- } else {
- /* Search for the appropriate function */
- for (i = 0; i < 4; i++) {
- if (tegra_soc_pingroups[pin].funcs[i] == func) {
- mux = i;
- break;
- }
- }
- }
- assert(mux != -1);
-
- val = readl(reg);
- val &= ~(3 << MUX_SHIFT(pin));
- val |= (mux << MUX_SHIFT(pin));
- writel(val, reg);
-}
-
-void pinmux_set_pullupdown(enum pmux_pingrp pin, enum pmux_pull pupd)
-{
- u32 *reg = PULL_REG(pin);
- u32 val;
-
- /* Error check on pin and pupd */
- assert(pmux_pingrp_isvalid(pin));
- assert(pmux_pin_pupd_isvalid(pupd));
-
- val = readl(reg);
- val &= ~(3 << PULL_SHIFT(pin));
- val |= (pupd << PULL_SHIFT(pin));
- writel(val, reg);
-}
-
-static void pinmux_set_tristate(enum pmux_pingrp pin, int tri)
-{
- u32 *reg = TRI_REG(pin);
- u32 val;
-
- /* Error check on pin */
- assert(pmux_pingrp_isvalid(pin));
- assert(pmux_pin_tristate_isvalid(tri));
-
- val = readl(reg);
- if (tri == PMUX_TRI_TRISTATE)
- val |= (1 << TRI_SHIFT(pin));
- else
- val &= ~(1 << TRI_SHIFT(pin));
- writel(val, reg);
-}
-
-void pinmux_tristate_enable(enum pmux_pingrp pin)
-{
- pinmux_set_tristate(pin, PMUX_TRI_TRISTATE);
-}
-
-void pinmux_tristate_disable(enum pmux_pingrp pin)
-{
- pinmux_set_tristate(pin, PMUX_TRI_NORMAL);
-}
-
-#ifdef TEGRA_PMX_HAS_PIN_IO_BIT_ETC
-void pinmux_set_io(enum pmux_pingrp pin, enum pmux_pin_io io)
-{
- u32 *reg = REG(pin);
- u32 val;
-
- if (io == PMUX_PIN_NONE)
- return;
-
- /* Error check on pin and io */
- assert(pmux_pingrp_isvalid(pin));
- assert(pmux_pin_io_isvalid(io));
-
- val = readl(reg);
- if (io == PMUX_PIN_INPUT)
- val |= (io & 1) << IO_SHIFT;
- else
- val &= ~(1 << IO_SHIFT);
- writel(val, reg);
-}
-
-static void pinmux_set_lock(enum pmux_pingrp pin, enum pmux_pin_lock lock)
-{
- u32 *reg = REG(pin);
- u32 val;
-
- if (lock == PMUX_PIN_LOCK_DEFAULT)
- return;
-
- /* Error check on pin and lock */
- assert(pmux_pingrp_isvalid(pin));
- assert(pmux_pin_lock_isvalid(lock));
-
- val = readl(reg);
- if (lock == PMUX_PIN_LOCK_ENABLE) {
- val |= (1 << LOCK_SHIFT);
- } else {
- if (val & (1 << LOCK_SHIFT))
- printf("%s: Cannot clear LOCK bit!\n", __func__);
- val &= ~(1 << LOCK_SHIFT);
- }
- writel(val, reg);
-
- return;
-}
-
-static void pinmux_set_od(enum pmux_pingrp pin, enum pmux_pin_od od)
-{
- u32 *reg = REG(pin);
- u32 val;
-
- if (od == PMUX_PIN_OD_DEFAULT)
- return;
-
- /* Error check on pin and od */
- assert(pmux_pingrp_isvalid(pin));
- assert(pmux_pin_od_isvalid(od));
-
- val = readl(reg);
- if (od == PMUX_PIN_OD_ENABLE)
- val |= (1 << OD_SHIFT);
- else
- val &= ~(1 << OD_SHIFT);
- writel(val, reg);
-
- return;
-}
-
-static void pinmux_set_ioreset(enum pmux_pingrp pin,
- enum pmux_pin_ioreset ioreset)
-{
- u32 *reg = REG(pin);
- u32 val;
-
- if (ioreset == PMUX_PIN_IO_RESET_DEFAULT)
- return;
-
- /* Error check on pin and ioreset */
- assert(pmux_pingrp_isvalid(pin));
- assert(pmux_pin_ioreset_isvalid(ioreset));
-
- val = readl(reg);
- if (ioreset == PMUX_PIN_IO_RESET_ENABLE)
- val |= (1 << IO_RESET_SHIFT);
- else
- val &= ~(1 << IO_RESET_SHIFT);
- writel(val, reg);
-
- return;
-}
-
-#ifdef TEGRA_PMX_HAS_RCV_SEL
-static void pinmux_set_rcv_sel(enum pmux_pingrp pin,
- enum pmux_pin_rcv_sel rcv_sel)
-{
- u32 *reg = REG(pin);
- u32 val;
-
- if (rcv_sel == PMUX_PIN_RCV_SEL_DEFAULT)
- return;
-
- /* Error check on pin and rcv_sel */
- assert(pmux_pingrp_isvalid(pin));
- assert(pmux_pin_rcv_sel_isvalid(rcv_sel));
-
- val = readl(reg);
- if (rcv_sel == PMUX_PIN_RCV_SEL_HIGH)
- val |= (1 << RCV_SEL_SHIFT);
- else
- val &= ~(1 << RCV_SEL_SHIFT);
- writel(val, reg);
-
- return;
-}
-#endif /* TEGRA_PMX_HAS_RCV_SEL */
-#endif /* TEGRA_PMX_HAS_PIN_IO_BIT_ETC */
-
-static void pinmux_config_pingrp(const struct pmux_pingrp_config *config)
-{
- enum pmux_pingrp pin = config->pingrp;
-
- pinmux_set_func(pin, config->func);
- pinmux_set_pullupdown(pin, config->pull);
- pinmux_set_tristate(pin, config->tristate);
-#ifdef TEGRA_PMX_HAS_PIN_IO_BIT_ETC
- pinmux_set_io(pin, config->io);
- pinmux_set_lock(pin, config->lock);
- pinmux_set_od(pin, config->od);
- pinmux_set_ioreset(pin, config->ioreset);
-#ifdef TEGRA_PMX_HAS_RCV_SEL
- pinmux_set_rcv_sel(pin, config->rcv_sel);
-#endif
-#endif
-}
-
-void pinmux_config_pingrp_table(const struct pmux_pingrp_config *config,
- int len)
-{
- int i;
-
- for (i = 0; i < len; i++)
- pinmux_config_pingrp(&config[i]);
-}
-
-#ifdef TEGRA_PMX_HAS_DRVGRPS
-
-#define pmux_drvgrp_isvalid(pd) (((pd) >= 0) && ((pd) < PMUX_DRVGRP_COUNT))
-
-#define pmux_slw_isvalid(slw) \
- (((slw) >= PMUX_SLWF_MIN) && ((slw) <= PMUX_SLWF_MAX))
-
-#define pmux_drv_isvalid(drv) \
- (((drv) >= PMUX_DRVUP_MIN) && ((drv) <= PMUX_DRVUP_MAX))
-
-#define pmux_lpmd_isvalid(lpm) \
- (((lpm) >= PMUX_LPMD_X8) && ((lpm) <= PMUX_LPMD_X))
-
-#define pmux_schmt_isvalid(schmt) \
- (((schmt) >= PMUX_SCHMT_DISABLE) && ((schmt) <= PMUX_SCHMT_ENABLE))
-
-#define pmux_hsm_isvalid(hsm) \
- (((hsm) >= PMUX_HSM_DISABLE) && ((hsm) <= PMUX_HSM_ENABLE))
-
-#define HSM_SHIFT 2
-#define SCHMT_SHIFT 3
-#define LPMD_SHIFT 4
-#define LPMD_MASK (3 << LPMD_SHIFT)
-#define DRVDN_SHIFT 12
-#define DRVDN_MASK (0x7F << DRVDN_SHIFT)
-#define DRVUP_SHIFT 20
-#define DRVUP_MASK (0x7F << DRVUP_SHIFT)
-#define SLWR_SHIFT 28
-#define SLWR_MASK (3 << SLWR_SHIFT)
-#define SLWF_SHIFT 30
-#define SLWF_MASK (3 << SLWF_SHIFT)
-
-static void pinmux_set_drvup_slwf(enum pmux_drvgrp grp, int slwf)
-{
- u32 *reg = DRV_REG(grp);
- u32 val;
-
- /* NONE means unspecified/do not change/use POR value */
- if (slwf == PMUX_SLWF_NONE)
- return;
-
- /* Error check on pad and slwf */
- assert(pmux_drvgrp_isvalid(grp));
- assert(pmux_slw_isvalid(slwf));
-
- val = readl(reg);
- val &= ~SLWF_MASK;
- val |= (slwf << SLWF_SHIFT);
- writel(val, reg);
-
- return;
-}
-
-static void pinmux_set_drvdn_slwr(enum pmux_drvgrp grp, int slwr)
-{
- u32 *reg = DRV_REG(grp);
- u32 val;
-
- /* NONE means unspecified/do not change/use POR value */
- if (slwr == PMUX_SLWR_NONE)
- return;
-
- /* Error check on pad and slwr */
- assert(pmux_drvgrp_isvalid(grp));
- assert(pmux_slw_isvalid(slwr));
-
- val = readl(reg);
- val &= ~SLWR_MASK;
- val |= (slwr << SLWR_SHIFT);
- writel(val, reg);
-
- return;
-}
-
-static void pinmux_set_drvup(enum pmux_drvgrp grp, int drvup)
-{
- u32 *reg = DRV_REG(grp);
- u32 val;
-
- /* NONE means unspecified/do not change/use POR value */
- if (drvup == PMUX_DRVUP_NONE)
- return;
-
- /* Error check on pad and drvup */
- assert(pmux_drvgrp_isvalid(grp));
- assert(pmux_drv_isvalid(drvup));
-
- val = readl(reg);
- val &= ~DRVUP_MASK;
- val |= (drvup << DRVUP_SHIFT);
- writel(val, reg);
-
- return;
-}
-
-static void pinmux_set_drvdn(enum pmux_drvgrp grp, int drvdn)
-{
- u32 *reg = DRV_REG(grp);
- u32 val;
-
- /* NONE means unspecified/do not change/use POR value */
- if (drvdn == PMUX_DRVDN_NONE)
- return;
-
- /* Error check on pad and drvdn */
- assert(pmux_drvgrp_isvalid(grp));
- assert(pmux_drv_isvalid(drvdn));
-
- val = readl(reg);
- val &= ~DRVDN_MASK;
- val |= (drvdn << DRVDN_SHIFT);
- writel(val, reg);
-
- return;
-}
-
-static void pinmux_set_lpmd(enum pmux_drvgrp grp, enum pmux_lpmd lpmd)
-{
- u32 *reg = DRV_REG(grp);
- u32 val;
-
- /* NONE means unspecified/do not change/use POR value */
- if (lpmd == PMUX_LPMD_NONE)
- return;
-
- /* Error check pad and lpmd value */
- assert(pmux_drvgrp_isvalid(grp));
- assert(pmux_lpmd_isvalid(lpmd));
-
- val = readl(reg);
- val &= ~LPMD_MASK;
- val |= (lpmd << LPMD_SHIFT);
- writel(val, reg);
-
- return;
-}
-
-static void pinmux_set_schmt(enum pmux_drvgrp grp, enum pmux_schmt schmt)
-{
- u32 *reg = DRV_REG(grp);
- u32 val;
-
- /* NONE means unspecified/do not change/use POR value */
- if (schmt == PMUX_SCHMT_NONE)
- return;
-
- /* Error check pad */
- assert(pmux_drvgrp_isvalid(grp));
- assert(pmux_schmt_isvalid(schmt));
-
- val = readl(reg);
- if (schmt == PMUX_SCHMT_ENABLE)
- val |= (1 << SCHMT_SHIFT);
- else
- val &= ~(1 << SCHMT_SHIFT);
- writel(val, reg);
-
- return;
-}
-
-static void pinmux_set_hsm(enum pmux_drvgrp grp, enum pmux_hsm hsm)
-{
- u32 *reg = DRV_REG(grp);
- u32 val;
-
- /* NONE means unspecified/do not change/use POR value */
- if (hsm == PMUX_HSM_NONE)
- return;
-
- /* Error check pad */
- assert(pmux_drvgrp_isvalid(grp));
- assert(pmux_hsm_isvalid(hsm));
-
- val = readl(reg);
- if (hsm == PMUX_HSM_ENABLE)
- val |= (1 << HSM_SHIFT);
- else
- val &= ~(1 << HSM_SHIFT);
- writel(val, reg);
-
- return;
-}
-
-static void pinmux_config_drvgrp(const struct pmux_drvgrp_config *config)
-{
- enum pmux_drvgrp grp = config->drvgrp;
-
- pinmux_set_drvup_slwf(grp, config->slwf);
- pinmux_set_drvdn_slwr(grp, config->slwr);
- pinmux_set_drvup(grp, config->drvup);
- pinmux_set_drvdn(grp, config->drvdn);
- pinmux_set_lpmd(grp, config->lpmd);
- pinmux_set_schmt(grp, config->schmt);
- pinmux_set_hsm(grp, config->hsm);
-}
-
-void pinmux_config_drvgrp_table(const struct pmux_drvgrp_config *config,
- int len)
-{
- int i;
-
- for (i = 0; i < len; i++)
- pinmux_config_drvgrp(&config[i]);
-}
-#endif /* TEGRA_PMX_HAS_DRVGRPS */
+++ /dev/null
-/*
- * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
- *
- * SPDX-License-Identifier: GPL-2.0
- */
-
-#include <common.h>
-#include <errno.h>
-
-#include <asm/io.h>
-#include <asm/types.h>
-
-#include <asm/arch/powergate.h>
-#include <asm/arch/tegra.h>
-
-#define PWRGATE_TOGGLE 0x30
-#define PWRGATE_TOGGLE_START (1 << 8)
-
-#define REMOVE_CLAMPING 0x34
-
-#define PWRGATE_STATUS 0x38
-
-static int tegra_powergate_set(enum tegra_powergate id, bool state)
-{
- u32 value, mask = state ? (1 << id) : 0, old_mask;
- unsigned long start, timeout = 25;
-
- value = readl(NV_PA_PMC_BASE + PWRGATE_STATUS);
- old_mask = value & (1 << id);
-
- if (mask == old_mask)
- return 0;
-
- writel(PWRGATE_TOGGLE_START | id, NV_PA_PMC_BASE + PWRGATE_TOGGLE);
-
- start = get_timer(0);
-
- while (get_timer(start) < timeout) {
- value = readl(NV_PA_PMC_BASE + PWRGATE_STATUS);
- if ((value & (1 << id)) == mask)
- return 0;
- }
-
- return -ETIMEDOUT;
-}
-
-static int tegra_powergate_power_on(enum tegra_powergate id)
-{
- return tegra_powergate_set(id, true);
-}
-
-int tegra_powergate_power_off(enum tegra_powergate id)
-{
- return tegra_powergate_set(id, false);
-}
-
-static int tegra_powergate_remove_clamping(enum tegra_powergate id)
-{
- unsigned long value;
-
- /*
- * The REMOVE_CLAMPING register has the bits for the PCIE and VDEC
- * partitions reversed. This was originally introduced on Tegra20 but
- * has since been carried forward for backwards-compatibility.
- */
- if (id == TEGRA_POWERGATE_VDEC)
- value = 1 << TEGRA_POWERGATE_PCIE;
- else if (id == TEGRA_POWERGATE_PCIE)
- value = 1 << TEGRA_POWERGATE_VDEC;
- else
- value = 1 << id;
-
- writel(value, NV_PA_PMC_BASE + REMOVE_CLAMPING);
-
- return 0;
-}
-
-int tegra_powergate_sequence_power_up(enum tegra_powergate id,
- enum periph_id periph)
-{
- int err;
-
- reset_set_enable(periph, 1);
-
- err = tegra_powergate_power_on(id);
- if (err < 0)
- return err;
-
- clock_enable(periph);
-
- udelay(10);
-
- err = tegra_powergate_remove_clamping(id);
- if (err < 0)
- return err;
-
- udelay(10);
-
- reset_set_enable(periph, 0);
-
- return 0;
-}
+++ /dev/null
-/*
- * (C) Copyright 2010,2011
- * NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <linux/ctype.h>
-
-static void upstring(char *s)
-{
- while (*s) {
- *s = toupper(*s);
- s++;
- }
-}
-
-/* Print CPU information */
-int print_cpuinfo(void)
-{
- char soc_name[10];
-
- strncpy(soc_name, CONFIG_SYS_SOC, 10);
- upstring(soc_name);
- puts(soc_name);
- puts("\n");
-
- /* TBD: Add printf of major/minor rev info, stepping, etc. */
- return 0;
-}
+++ /dev/null
-/*
- * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* Tegra vpr routines */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch/mc.h>
-
-/* Configures VPR. Right now, all we do is turn it off. */
-void config_vpr(void)
-{
- struct mc_ctlr *mc = (struct mc_ctlr *)NV_PA_MC_BASE;
-
- /* Turn VPR off */
- writel(0, &mc->mc_video_protect_size_mb);
- writel(TEGRA_MC_VIDEO_PROTECT_REG_WRITE_ACCESS_DISABLED,
- &mc->mc_video_protect_reg_ctrl);
- /* read back to ensure the write went through */
- readl(&mc->mc_video_protect_reg_ctrl);
-}
+++ /dev/null
-/*
- * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
- *
- * SPDX-License-Identifier: GPL-2.0
- */
-
-#include <common.h>
-#include <errno.h>
-
-#include <asm/arch-tegra/xusb-padctl.h>
-
-struct tegra_xusb_phy * __weak tegra_xusb_phy_get(unsigned int type)
-{
- return NULL;
-}
-
-int __weak tegra_xusb_phy_prepare(struct tegra_xusb_phy *phy)
-{
- return -ENOSYS;
-}
-
-int __weak tegra_xusb_phy_enable(struct tegra_xusb_phy *phy)
-{
- return -ENOSYS;
-}
-
-int __weak tegra_xusb_phy_disable(struct tegra_xusb_phy *phy)
-{
- return -ENOSYS;
-}
-
-int __weak tegra_xusb_phy_unprepare(struct tegra_xusb_phy *phy)
-{
- return -ENOSYS;
-}
-
-void __weak tegra_xusb_padctl_init(const void *fdt)
-{
-}
+++ /dev/null
-#
-# Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
-#
-# (C) Copyright 2000-2008
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-# more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-
-obj-y += clock.o funcmux.o pinmux.o
+++ /dev/null
-/*
- * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* Tegra114 Clock control functions */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/sysctr.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/clk_rst.h>
-#include <asm/arch-tegra/timer.h>
-#include <div64.h>
-#include <fdtdec.h>
-
-/*
- * Clock types that we can use as a source. The Tegra114 has muxes for the
- * peripheral clocks, and in most cases there are four options for the clock
- * source. This gives us a clock 'type' and exploits what commonality exists
- * in the device.
- *
- * Letters are obvious, except for T which means CLK_M, and S which means the
- * clock derived from 32KHz. Beware that CLK_M (also called OSC in the
- * datasheet) and PLL_M are different things. The former is the basic
- * clock supplied to the SOC from an external oscillator. The latter is the
- * memory clock PLL.
- *
- * See definitions in clock_id in the header file.
- */
-enum clock_type_id {
- CLOCK_TYPE_AXPT, /* PLL_A, PLL_X, PLL_P, CLK_M */
- CLOCK_TYPE_MCPA, /* and so on */
- CLOCK_TYPE_MCPT,
- CLOCK_TYPE_PCM,
- CLOCK_TYPE_PCMT,
- CLOCK_TYPE_PCMT16,
- CLOCK_TYPE_PDCT,
- CLOCK_TYPE_ACPT,
- CLOCK_TYPE_ASPTE,
- CLOCK_TYPE_PMDACD2T,
- CLOCK_TYPE_PCST,
-
- CLOCK_TYPE_COUNT,
- CLOCK_TYPE_NONE = -1, /* invalid clock type */
-};
-
-enum {
- CLOCK_MAX_MUX = 8 /* number of source options for each clock */
-};
-
-/*
- * Clock source mux for each clock type. This just converts our enum into
- * a list of mux sources for use by the code.
- *
- * Note:
- * The extra column in each clock source array is used to store the mask
- * bits in its register for the source.
- */
-#define CLK(x) CLOCK_ID_ ## x
-static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX+1] = {
- { CLK(AUDIO), CLK(XCPU), CLK(PERIPH), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(AUDIO),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(NONE),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(PERIPH), CLK(DISPLAY), CLK(CGENERAL), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(AUDIO), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(AUDIO), CLK(SFROM32KHZ), CLK(PERIPH), CLK(OSC),
- CLK(EPCI), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_29},
- { CLK(PERIPH), CLK(MEMORY), CLK(DISPLAY), CLK(AUDIO),
- CLK(CGENERAL), CLK(DISPLAY2), CLK(OSC), CLK(NONE),
- MASK_BITS_31_29},
- { CLK(PERIPH), CLK(CGENERAL), CLK(SFROM32KHZ), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_28}
-};
-
-/*
- * Clock type for each peripheral clock source. We put the name in each
- * record just so it is easy to match things up
- */
-#define TYPE(name, type) type
-static enum clock_type_id clock_periph_type[PERIPHC_COUNT] = {
- /* 0x00 */
- TYPE(PERIPHC_I2S1, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_I2S2, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_SPDIF_OUT, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_SPDIF_IN, CLOCK_TYPE_PCM),
- TYPE(PERIPHC_PWM, CLOCK_TYPE_PCST), /* only PWM uses b29:28 */
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SBC2, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_SBC3, CLOCK_TYPE_PCMT),
-
- /* 0x08 */
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_I2C1, CLOCK_TYPE_PCMT16),
- TYPE(PERIPHC_I2C5, CLOCK_TYPE_PCMT16),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SBC1, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_DISP1, CLOCK_TYPE_PMDACD2T),
- TYPE(PERIPHC_DISP2, CLOCK_TYPE_PMDACD2T),
-
- /* 0x10 */
- TYPE(PERIPHC_CVE, CLOCK_TYPE_PDCT),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SDMMC1, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_SDMMC2, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_G3D, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_G2D, CLOCK_TYPE_MCPA),
-
- /* 0x18 */
- TYPE(PERIPHC_NDFLASH, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_SDMMC4, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_VFIR, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_EPP, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_MPE, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_MIPI, CLOCK_TYPE_PCMT), /* MIPI base-band HSI */
- TYPE(PERIPHC_UART1, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_UART2, CLOCK_TYPE_PCMT),
-
- /* 0x20 */
- TYPE(PERIPHC_HOST1X, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_TVO, CLOCK_TYPE_PDCT),
- TYPE(PERIPHC_HDMI, CLOCK_TYPE_PMDACD2T),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_TVDAC, CLOCK_TYPE_PDCT),
- TYPE(PERIPHC_I2C2, CLOCK_TYPE_PCMT16),
- TYPE(PERIPHC_EMC, CLOCK_TYPE_MCPT),
-
- /* 0x28 */
- TYPE(PERIPHC_UART3, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SBC4, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_I2C3, CLOCK_TYPE_PCMT16),
- TYPE(PERIPHC_SDMMC3, CLOCK_TYPE_PCMT),
-
- /* 0x30 */
- TYPE(PERIPHC_UART4, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_UART5, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_VDE, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_OWR, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_NOR, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_CSITE, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_I2S0, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
-
- /* 0x38h */ /* Jumps to reg offset 0x3B0h */
- TYPE(PERIPHC_G3D2, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_MSELECT, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_TSENSOR, CLOCK_TYPE_PCST), /* s/b PCTS */
- TYPE(PERIPHC_I2S3, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_I2S4, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_I2C4, CLOCK_TYPE_PCMT16),
- TYPE(PERIPHC_SBC5, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_SBC6, CLOCK_TYPE_PCMT),
-
- /* 0x40 */
- TYPE(PERIPHC_AUDIO, CLOCK_TYPE_ACPT),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_DAM0, CLOCK_TYPE_ACPT),
- TYPE(PERIPHC_DAM1, CLOCK_TYPE_ACPT),
- TYPE(PERIPHC_DAM2, CLOCK_TYPE_ACPT),
- TYPE(PERIPHC_HDA2CODEC2X, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_ACTMON, CLOCK_TYPE_PCST), /* MASK 31:30 */
- TYPE(PERIPHC_EXTPERIPH1, CLOCK_TYPE_ASPTE),
-
- /* 0x48 */
- TYPE(PERIPHC_EXTPERIPH2, CLOCK_TYPE_ASPTE),
- TYPE(PERIPHC_EXTPERIPH3, CLOCK_TYPE_ASPTE),
- TYPE(PERIPHC_NANDSPEED, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_I2CSLOW, CLOCK_TYPE_PCST), /* MASK 31:30 */
- TYPE(PERIPHC_SYS, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SPEEDO, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
-
- /* 0x50 */
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SATAOOB, CLOCK_TYPE_PCMT), /* offset 0x420h */
- TYPE(PERIPHC_SATA, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_HDA, CLOCK_TYPE_PCMT),
-};
-
-/*
- * This array translates a periph_id to a periphc_internal_id
- *
- * Not present/matched up:
- * uint vi_sensor; _VI_SENSOR_0, 0x1A8
- * SPDIF - which is both 0x08 and 0x0c
- *
- */
-#define NONE(name) (-1)
-#define OFFSET(name, value) PERIPHC_ ## name
-static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = {
- /* Low word: 31:0 */
- NONE(CPU),
- NONE(COP),
- NONE(TRIGSYS),
- NONE(RESERVED3),
- NONE(RTC),
- NONE(TMR),
- PERIPHC_UART1,
- PERIPHC_UART2, /* and vfir 0x68 */
-
- /* 8 */
- NONE(GPIO),
- PERIPHC_SDMMC2,
- NONE(SPDIF), /* 0x08 and 0x0c, unclear which to use */
- PERIPHC_I2S1,
- PERIPHC_I2C1,
- PERIPHC_NDFLASH,
- PERIPHC_SDMMC1,
- PERIPHC_SDMMC4,
-
- /* 16 */
- NONE(RESERVED16),
- PERIPHC_PWM,
- PERIPHC_I2S2,
- PERIPHC_EPP,
- PERIPHC_VI,
- PERIPHC_G2D,
- NONE(USBD),
- NONE(ISP),
-
- /* 24 */
- PERIPHC_G3D,
- NONE(RESERVED25),
- PERIPHC_DISP2,
- PERIPHC_DISP1,
- PERIPHC_HOST1X,
- NONE(VCP),
- PERIPHC_I2S0,
- NONE(CACHE2),
-
- /* Middle word: 63:32 */
- NONE(MEM),
- NONE(AHBDMA),
- NONE(APBDMA),
- NONE(RESERVED35),
- NONE(RESERVED36),
- NONE(STAT_MON),
- NONE(RESERVED38),
- NONE(RESERVED39),
-
- /* 40 */
- NONE(KFUSE),
- NONE(SBC1), /* SBC1, 0x34, is this SPI1? */
- PERIPHC_NOR,
- NONE(RESERVED43),
- PERIPHC_SBC2,
- NONE(RESERVED45),
- PERIPHC_SBC3,
- PERIPHC_I2C5,
-
- /* 48 */
- NONE(DSI),
- PERIPHC_TVO, /* also CVE 0x40 */
- PERIPHC_MIPI,
- PERIPHC_HDMI,
- NONE(CSI),
- PERIPHC_TVDAC,
- PERIPHC_I2C2,
- PERIPHC_UART3,
-
- /* 56 */
- NONE(RESERVED56),
- PERIPHC_EMC,
- NONE(USB2),
- NONE(USB3),
- PERIPHC_MPE,
- PERIPHC_VDE,
- NONE(BSEA),
- NONE(BSEV),
-
- /* Upper word 95:64 */
- PERIPHC_SPEEDO,
- PERIPHC_UART4,
- PERIPHC_UART5,
- PERIPHC_I2C3,
- PERIPHC_SBC4,
- PERIPHC_SDMMC3,
- NONE(PCIE),
- PERIPHC_OWR,
-
- /* 72 */
- NONE(AFI),
- PERIPHC_CSITE,
- NONE(PCIEXCLK),
- NONE(AVPUCQ),
- NONE(RESERVED76),
- NONE(RESERVED77),
- NONE(RESERVED78),
- NONE(DTV),
-
- /* 80 */
- PERIPHC_NANDSPEED,
- PERIPHC_I2CSLOW,
- NONE(DSIB),
- NONE(RESERVED83),
- NONE(IRAMA),
- NONE(IRAMB),
- NONE(IRAMC),
- NONE(IRAMD),
-
- /* 88 */
- NONE(CRAM2),
- NONE(RESERVED89),
- NONE(MDOUBLER),
- NONE(RESERVED91),
- NONE(SUSOUT),
- NONE(RESERVED93),
- NONE(RESERVED94),
- NONE(RESERVED95),
-
- /* V word: 31:0 */
- NONE(CPUG),
- NONE(CPULP),
- PERIPHC_G3D2,
- PERIPHC_MSELECT,
- PERIPHC_TSENSOR,
- PERIPHC_I2S3,
- PERIPHC_I2S4,
- PERIPHC_I2C4,
-
- /* 08 */
- PERIPHC_SBC5,
- PERIPHC_SBC6,
- PERIPHC_AUDIO,
- NONE(APBIF),
- PERIPHC_DAM0,
- PERIPHC_DAM1,
- PERIPHC_DAM2,
- PERIPHC_HDA2CODEC2X,
-
- /* 16 */
- NONE(ATOMICS),
- NONE(RESERVED17),
- NONE(RESERVED18),
- NONE(RESERVED19),
- NONE(RESERVED20),
- NONE(RESERVED21),
- NONE(RESERVED22),
- PERIPHC_ACTMON,
-
- /* 24 */
- NONE(RESERVED24),
- NONE(RESERVED25),
- NONE(RESERVED26),
- NONE(RESERVED27),
- PERIPHC_SATA,
- PERIPHC_HDA,
- NONE(RESERVED30),
- NONE(RESERVED31),
-
- /* W word: 31:0 */
- NONE(HDA2HDMICODEC),
- NONE(RESERVED1_SATACOLD),
- NONE(RESERVED2_PCIERX0),
- NONE(RESERVED3_PCIERX1),
- NONE(RESERVED4_PCIERX2),
- NONE(RESERVED5_PCIERX3),
- NONE(RESERVED6_PCIERX4),
- NONE(RESERVED7_PCIERX5),
-
- /* 40 */
- NONE(CEC),
- NONE(PCIE2_IOBIST),
- NONE(EMC_IOBIST),
- NONE(HDMI_IOBIST),
- NONE(SATA_IOBIST),
- NONE(MIPI_IOBIST),
- NONE(EMC1_IOBIST),
- NONE(XUSB),
-
- /* 48 */
- NONE(CILAB),
- NONE(CILCD),
- NONE(CILE),
- NONE(DSIA_LP),
- NONE(DSIB_LP),
- NONE(RESERVED21_ENTROPY),
- NONE(RESERVED22_W),
- NONE(RESERVED23_W),
-
- /* 56 */
- NONE(RESERVED24_W),
- NONE(AMX0),
- NONE(ADX0),
- NONE(DVFS),
- NONE(XUSB_SS),
- NONE(EMC_DLL),
- NONE(MC1),
- NONE(EMC1),
-};
-
-/*
- * Get the oscillator frequency, from the corresponding hardware configuration
- * field. Note that T30/T114 support 3 new higher freqs, but we map back
- * to the old T20 freqs. Support for the higher oscillators is TBD.
- */
-enum clock_osc_freq clock_get_osc_freq(void)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 reg;
-
- reg = readl(&clkrst->crc_osc_ctrl);
- reg = (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
-
- if (reg & 1) /* one of the newer freqs */
- printf("Warning: OSC_FREQ is unsupported! (%d)\n", reg);
-
- return reg >> 2; /* Map to most common (T20) freqs */
-}
-
-/* Returns a pointer to the clock source register for a peripheral */
-u32 *get_periph_source_reg(enum periph_id periph_id)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- enum periphc_internal_id internal_id;
-
- /* Coresight is a special case */
- if (periph_id == PERIPH_ID_CSI)
- return &clkrst->crc_clk_src[PERIPH_ID_CSI+1];
-
- assert(periph_id >= PERIPH_ID_FIRST && periph_id < PERIPH_ID_COUNT);
- internal_id = periph_id_to_internal_id[periph_id];
- assert(internal_id != -1);
- if (internal_id >= PERIPHC_VW_FIRST) {
- internal_id -= PERIPHC_VW_FIRST;
- return &clkrst->crc_clk_src_vw[internal_id];
- } else
- return &clkrst->crc_clk_src[internal_id];
-}
-
-/**
- * Given a peripheral ID and the required source clock, this returns which
- * value should be programmed into the source mux for that peripheral.
- *
- * There is special code here to handle the one source type with 5 sources.
- *
- * @param periph_id peripheral to start
- * @param source PLL id of required parent clock
- * @param mux_bits Set to number of bits in mux register: 2 or 4
- * @param divider_bits Set to number of divider bits (8 or 16)
- * @return mux value (0-4, or -1 if not found)
- */
-int get_periph_clock_source(enum periph_id periph_id,
- enum clock_id parent, int *mux_bits, int *divider_bits)
-{
- enum clock_type_id type;
- enum periphc_internal_id internal_id;
- int mux;
-
- assert(clock_periph_id_isvalid(periph_id));
-
- internal_id = periph_id_to_internal_id[periph_id];
- assert(periphc_internal_id_isvalid(internal_id));
-
- type = clock_periph_type[internal_id];
- assert(clock_type_id_isvalid(type));
-
- *mux_bits = clock_source[type][CLOCK_MAX_MUX];
-
- if (type == CLOCK_TYPE_PCMT16)
- *divider_bits = 16;
- else
- *divider_bits = 8;
-
- for (mux = 0; mux < CLOCK_MAX_MUX; mux++)
- if (clock_source[type][mux] == parent)
- return mux;
-
- /* if we get here, either us or the caller has made a mistake */
- printf("Caller requested bad clock: periph=%d, parent=%d\n", periph_id,
- parent);
- return -1;
-}
-
-void clock_set_enable(enum periph_id periph_id, int enable)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 *clk;
- u32 reg;
-
- /* Enable/disable the clock to this peripheral */
- assert(clock_periph_id_isvalid(periph_id));
- if ((int)periph_id < (int)PERIPH_ID_VW_FIRST)
- clk = &clkrst->crc_clk_out_enb[PERIPH_REG(periph_id)];
- else
- clk = &clkrst->crc_clk_out_enb_vw[PERIPH_REG(periph_id)];
- reg = readl(clk);
- if (enable)
- reg |= PERIPH_MASK(periph_id);
- else
- reg &= ~PERIPH_MASK(periph_id);
- writel(reg, clk);
-}
-
-void reset_set_enable(enum periph_id periph_id, int enable)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 *reset;
- u32 reg;
-
- /* Enable/disable reset to the peripheral */
- assert(clock_periph_id_isvalid(periph_id));
- if (periph_id < PERIPH_ID_VW_FIRST)
- reset = &clkrst->crc_rst_dev[PERIPH_REG(periph_id)];
- else
- reset = &clkrst->crc_rst_dev_vw[PERIPH_REG(periph_id)];
- reg = readl(reset);
- if (enable)
- reg |= PERIPH_MASK(periph_id);
- else
- reg &= ~PERIPH_MASK(periph_id);
- writel(reg, reset);
-}
-
-#ifdef CONFIG_OF_CONTROL
-/*
- * Convert a device tree clock ID to our peripheral ID. They are mostly
- * the same but we are very cautious so we check that a valid clock ID is
- * provided.
- *
- * @param clk_id Clock ID according to tegra114 device tree binding
- * @return peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid
- */
-enum periph_id clk_id_to_periph_id(int clk_id)
-{
- if (clk_id > PERIPH_ID_COUNT)
- return PERIPH_ID_NONE;
-
- switch (clk_id) {
- case PERIPH_ID_RESERVED3:
- case PERIPH_ID_RESERVED16:
- case PERIPH_ID_RESERVED24:
- case PERIPH_ID_RESERVED35:
- case PERIPH_ID_RESERVED43:
- case PERIPH_ID_RESERVED45:
- case PERIPH_ID_RESERVED56:
- case PERIPH_ID_RESERVED76:
- case PERIPH_ID_RESERVED77:
- case PERIPH_ID_RESERVED78:
- case PERIPH_ID_RESERVED83:
- case PERIPH_ID_RESERVED89:
- case PERIPH_ID_RESERVED91:
- case PERIPH_ID_RESERVED93:
- case PERIPH_ID_RESERVED94:
- case PERIPH_ID_RESERVED95:
- return PERIPH_ID_NONE;
- default:
- return clk_id;
- }
-}
-#endif /* CONFIG_OF_CONTROL */
-
-void clock_early_init(void)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
-
- tegra30_set_up_pllp();
-
- /*
- * PLLC output frequency set to 600Mhz
- * PLLD output frequency set to 925Mhz
- */
- switch (clock_get_osc_freq()) {
- case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */
- clock_set_rate(CLOCK_ID_CGENERAL, 600, 12, 0, 8);
- clock_set_rate(CLOCK_ID_DISPLAY, 925, 12, 0, 12);
- break;
-
- case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */
- clock_set_rate(CLOCK_ID_CGENERAL, 600, 26, 0, 8);
- clock_set_rate(CLOCK_ID_DISPLAY, 925, 26, 0, 12);
- break;
-
- case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */
- clock_set_rate(CLOCK_ID_CGENERAL, 600, 13, 0, 8);
- clock_set_rate(CLOCK_ID_DISPLAY, 925, 13, 0, 12);
- break;
- case CLOCK_OSC_FREQ_19_2:
- default:
- /*
- * These are not supported. It is too early to print a
- * message and the UART likely won't work anyway due to the
- * oscillator being wrong.
- */
- break;
- }
-
- /* PLLC_MISC2: Set dynramp_stepA/B. MISC2 maps to pll_out[1] */
- writel(0x00561600, &clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_out[1]);
-
- /* PLLC_MISC: Set LOCK_ENABLE */
- writel(0x01000000, &clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_misc);
- udelay(2);
-
- /* PLLD_MISC: Set CLKENABLE, CPCON 12, LFCON 1 */
- writel(0x40000C10, &clkrst->crc_pll[CLOCK_ID_DISPLAY].pll_misc);
- udelay(2);
-}
-
-void arch_timer_init(void)
-{
- struct sysctr_ctlr *sysctr = (struct sysctr_ctlr *)NV_PA_TSC_BASE;
- u32 freq, val;
-
- freq = clock_get_rate(CLOCK_ID_OSC);
- debug("%s: osc freq is %dHz [0x%08X]\n", __func__, freq, freq);
-
- /* ARM CNTFRQ */
- asm("mcr p15, 0, %0, c14, c0, 0\n" : : "r" (freq));
-
- /* Only T114 has the System Counter regs */
- debug("%s: setting CNTFID0 to 0x%08X\n", __func__, freq);
- writel(freq, &sysctr->cntfid0);
-
- val = readl(&sysctr->cntcr);
- val |= TSC_CNTCR_ENABLE | TSC_CNTCR_HDBG;
- writel(val, &sysctr->cntcr);
- debug("%s: TSC CNTCR = 0x%08X\n", __func__, val);
-}
+++ /dev/null
-/*
- * Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* Tegra114 high-level function multiplexing */
-
-#include <common.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/funcmux.h>
-#include <asm/arch/pinmux.h>
-
-int funcmux_select(enum periph_id id, int config)
-{
- int bad_config = config != FUNCMUX_DEFAULT;
-
- switch (id) {
- case PERIPH_ID_UART4:
- switch (config) {
- case FUNCMUX_UART4_GMI:
- pinmux_set_func(PMUX_PINGRP_GMI_A16_PJ7,
- PMUX_FUNC_UARTD);
- pinmux_set_func(PMUX_PINGRP_GMI_A17_PB0,
- PMUX_FUNC_UARTD);
- pinmux_set_func(PMUX_PINGRP_GMI_A18_PB1,
- PMUX_FUNC_UARTD);
- pinmux_set_func(PMUX_PINGRP_GMI_A19_PK7,
- PMUX_FUNC_UARTD);
-
- pinmux_set_io(PMUX_PINGRP_GMI_A16_PJ7, PMUX_PIN_OUTPUT);
- pinmux_set_io(PMUX_PINGRP_GMI_A17_PB0, PMUX_PIN_INPUT);
- pinmux_set_io(PMUX_PINGRP_GMI_A18_PB1, PMUX_PIN_INPUT);
- pinmux_set_io(PMUX_PINGRP_GMI_A19_PK7, PMUX_PIN_OUTPUT);
-
- pinmux_tristate_disable(PMUX_PINGRP_GMI_A16_PJ7);
- pinmux_tristate_disable(PMUX_PINGRP_GMI_A17_PB0);
- pinmux_tristate_disable(PMUX_PINGRP_GMI_A18_PB1);
- pinmux_tristate_disable(PMUX_PINGRP_GMI_A19_PK7);
- break;
- }
- break;
-
- /* Add other periph IDs here as needed */
-
- default:
- debug("%s: invalid periph_id %d", __func__, id);
- return -1;
- }
-
- if (bad_config) {
- debug("%s: invalid config %d for periph_id %d", __func__,
- config, id);
- return -1;
- }
- return 0;
-}
+++ /dev/null
-/*
- * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/pinmux.h>
-
-#define PIN(pin, f0, f1, f2, f3) \
- { \
- .funcs = { \
- PMUX_FUNC_##f0, \
- PMUX_FUNC_##f1, \
- PMUX_FUNC_##f2, \
- PMUX_FUNC_##f3, \
- }, \
- }
-
-#define PIN_RESERVED {}
-
-static const struct pmux_pingrp_desc tegra114_pingroups[] = {
- /* pin, f0, f1, f2, f3 */
- /* Offset 0x3000 */
- PIN(ULPI_DATA0_PO1, SPI3, HSI, UARTA, ULPI),
- PIN(ULPI_DATA1_PO2, SPI3, HSI, UARTA, ULPI),
- PIN(ULPI_DATA2_PO3, SPI3, HSI, UARTA, ULPI),
- PIN(ULPI_DATA3_PO4, SPI3, HSI, UARTA, ULPI),
- PIN(ULPI_DATA4_PO5, SPI2, HSI, UARTA, ULPI),
- PIN(ULPI_DATA5_PO6, SPI2, HSI, UARTA, ULPI),
- PIN(ULPI_DATA6_PO7, SPI2, HSI, UARTA, ULPI),
- PIN(ULPI_DATA7_PO0, SPI2, HSI, UARTA, ULPI),
- PIN(ULPI_CLK_PY0, SPI1, SPI5, UARTD, ULPI),
- PIN(ULPI_DIR_PY1, SPI1, SPI5, UARTD, ULPI),
- PIN(ULPI_NXT_PY2, SPI1, SPI5, UARTD, ULPI),
- PIN(ULPI_STP_PY3, SPI1, SPI5, UARTD, ULPI),
- PIN(DAP3_FS_PP0, I2S2, SPI5, DISPLAYA, DISPLAYB),
- PIN(DAP3_DIN_PP1, I2S2, SPI5, DISPLAYA, DISPLAYB),
- PIN(DAP3_DOUT_PP2, I2S2, SPI5, DISPLAYA, DISPLAYB),
- PIN(DAP3_SCLK_PP3, I2S2, SPI5, DISPLAYA, DISPLAYB),
- PIN(PV0, USB, RSVD2, RSVD3, RSVD4),
- PIN(PV1, RSVD1, RSVD2, RSVD3, RSVD4),
- PIN(SDMMC1_CLK_PZ0, SDMMC1, CLK12, RSVD3, RSVD4),
- PIN(SDMMC1_CMD_PZ1, SDMMC1, SPDIF, SPI4, UARTA),
- PIN(SDMMC1_DAT3_PY4, SDMMC1, SPDIF, SPI4, UARTA),
- PIN(SDMMC1_DAT2_PY5, SDMMC1, PWM0, SPI4, UARTA),
- PIN(SDMMC1_DAT1_PY6, SDMMC1, PWM1, SPI4, UARTA),
- PIN(SDMMC1_DAT0_PY7, SDMMC1, RSVD2, SPI4, UARTA),
- PIN_RESERVED,
- PIN_RESERVED,
- /* Offset 0x3068 */
- PIN(CLK2_OUT_PW5, EXTPERIPH2, RSVD2, RSVD3, RSVD4),
- PIN(CLK2_REQ_PCC5, DAP, RSVD2, RSVD3, RSVD4),
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- /* Offset 0x3110 */
- PIN(HDMI_INT_PN7, RSVD1, RSVD2, RSVD3, RSVD4),
- PIN(DDC_SCL_PV4, I2C4, RSVD2, RSVD3, RSVD4),
- PIN(DDC_SDA_PV5, I2C4, RSVD2, RSVD3, RSVD4),
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- /* Offset 0x3164 */
- PIN(UART2_RXD_PC3, IRDA, SPDIF, UARTA, SPI4),
- PIN(UART2_TXD_PC2, IRDA, SPDIF, UARTA, SPI4),
- PIN(UART2_RTS_N_PJ6, UARTA, UARTB, RSVD3, SPI4),
- PIN(UART2_CTS_N_PJ5, UARTA, UARTB, RSVD3, SPI4),
- PIN(UART3_TXD_PW6, UARTC, RSVD2, RSVD3, SPI4),
- PIN(UART3_RXD_PW7, UARTC, RSVD2, RSVD3, SPI4),
- PIN(UART3_CTS_N_PA1, UARTC, SDMMC1, DTV, SPI4),
- PIN(UART3_RTS_N_PC0, UARTC, PWM0, DTV, DISPLAYA),
- PIN(PU0, OWR, UARTA, RSVD3, RSVD4),
- PIN(PU1, RSVD1, UARTA, RSVD3, RSVD4),
- PIN(PU2, RSVD1, UARTA, RSVD3, RSVD4),
- PIN(PU3, PWM0, UARTA, DISPLAYA, DISPLAYB),
- PIN(PU4, PWM1, UARTA, DISPLAYA, DISPLAYB),
- PIN(PU5, PWM2, UARTA, DISPLAYA, DISPLAYB),
- PIN(PU6, PWM3, UARTA, USB, DISPLAYB),
- PIN(GEN1_I2C_SDA_PC5, I2C1, RSVD2, RSVD3, RSVD4),
- PIN(GEN1_I2C_SCL_PC4, I2C1, RSVD2, RSVD3, RSVD4),
- PIN(DAP4_FS_PP4, I2S3, RSVD2, DTV, RSVD4),
- PIN(DAP4_DIN_PP5, I2S3, RSVD2, RSVD3, RSVD4),
- PIN(DAP4_DOUT_PP6, I2S3, RSVD2, DTV, RSVD4),
- PIN(DAP4_SCLK_PP7, I2S3, RSVD2, RSVD3, RSVD4),
- PIN(CLK3_OUT_PEE0, EXTPERIPH3, RSVD2, RSVD3, RSVD4),
- PIN(CLK3_REQ_PEE1, DEV3, RSVD2, RSVD3, RSVD4),
- PIN(GMI_WP_N_PC7, RSVD1, NAND, GMI, GMI_ALT),
- PIN(GMI_IORDY_PI5, SDMMC2, RSVD2, GMI, TRACE),
- PIN(GMI_WAIT_PI7, SPI4, NAND, GMI, DTV),
- PIN(GMI_ADV_N_PK0, RSVD1, NAND, GMI, TRACE),
- PIN(GMI_CLK_PK1, SDMMC2, NAND, GMI, TRACE),
- PIN(GMI_CS0_N_PJ0, RSVD1, NAND, GMI, USB),
- PIN(GMI_CS1_N_PJ2, RSVD1, NAND, GMI, SOC),
- PIN(GMI_CS2_N_PK3, SDMMC2, NAND, GMI, TRACE),
- PIN(GMI_CS3_N_PK4, SDMMC2, NAND, GMI, GMI_ALT),
- PIN(GMI_CS4_N_PK2, USB, NAND, GMI, TRACE),
- PIN(GMI_CS6_N_PI3, NAND, NAND_ALT, GMI, SPI4),
- PIN(GMI_CS7_N_PI6, NAND, NAND_ALT, GMI, SDMMC2),
- PIN(GMI_AD0_PG0, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD1_PG1, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD2_PG2, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD3_PG3, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD4_PG4, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD5_PG5, RSVD1, NAND, GMI, SPI4),
- PIN(GMI_AD6_PG6, RSVD1, NAND, GMI, SPI4),
- PIN(GMI_AD7_PG7, RSVD1, NAND, GMI, SPI4),
- PIN(GMI_AD8_PH0, PWM0, NAND, GMI, DTV),
- PIN(GMI_AD9_PH1, PWM1, NAND, GMI, CLDVFS),
- PIN(GMI_AD10_PH2, PWM2, NAND, GMI, CLDVFS),
- PIN(GMI_AD11_PH3, PWM3, NAND, GMI, USB),
- PIN(GMI_AD12_PH4, SDMMC2, NAND, GMI, RSVD4),
- PIN(GMI_AD13_PH5, SDMMC2, NAND, GMI, RSVD4),
- PIN(GMI_AD14_PH6, SDMMC2, NAND, GMI, DTV),
- PIN(GMI_AD15_PH7, SDMMC2, NAND, GMI, DTV),
- PIN(GMI_A16_PJ7, UARTD, TRACE, GMI, GMI_ALT),
- PIN(GMI_A17_PB0, UARTD, RSVD2, GMI, TRACE),
- PIN(GMI_A18_PB1, UARTD, RSVD2, GMI, TRACE),
- PIN(GMI_A19_PK7, UARTD, SPI4, GMI, TRACE),
- PIN(GMI_WR_N_PI0, RSVD1, NAND, GMI, SPI4),
- PIN(GMI_OE_N_PI1, RSVD1, NAND, GMI, SOC),
- PIN(GMI_DQS_P_PJ3, SDMMC2, NAND, GMI, TRACE),
- PIN(GMI_RST_N_PI4, NAND, NAND_ALT, GMI, RSVD4),
- PIN(GEN2_I2C_SCL_PT5, I2C2, RSVD2, GMI, RSVD4),
- PIN(GEN2_I2C_SDA_PT6, I2C2, RSVD2, GMI, RSVD4),
- PIN(SDMMC4_CLK_PCC4, SDMMC4, RSVD2, GMI, RSVD4),
- PIN(SDMMC4_CMD_PT7, SDMMC4, RSVD2, GMI, RSVD4),
- PIN(SDMMC4_DAT0_PAA0, SDMMC4, SPI3, GMI, RSVD4),
- PIN(SDMMC4_DAT1_PAA1, SDMMC4, SPI3, GMI, RSVD4),
- PIN(SDMMC4_DAT2_PAA2, SDMMC4, SPI3, GMI, RSVD4),
- PIN(SDMMC4_DAT3_PAA3, SDMMC4, SPI3, GMI, RSVD4),
- PIN(SDMMC4_DAT4_PAA4, SDMMC4, SPI3, GMI, RSVD4),
- PIN(SDMMC4_DAT5_PAA5, SDMMC4, SPI3, GMI, RSVD4),
- PIN(SDMMC4_DAT6_PAA6, SDMMC4, SPI3, GMI, RSVD4),
- PIN(SDMMC4_DAT7_PAA7, SDMMC4, RSVD2, GMI, RSVD4),
- PIN_RESERVED,
- /* Offset 0x3284 */
- PIN(CAM_MCLK_PCC0, VI, VI_ALT1, VI_ALT3, RSVD4),
- PIN(PCC1, I2S4, RSVD2, RSVD3, RSVD4),
- PIN(PBB0, I2S4, VI, VI_ALT1, VI_ALT3),
- PIN(CAM_I2C_SCL_PBB1, VGP1, I2C3, RSVD3, RSVD4),
- PIN(CAM_I2C_SDA_PBB2, VGP2, I2C3, RSVD3, RSVD4),
- PIN(PBB3, VGP3, DISPLAYA, DISPLAYB, RSVD4),
- PIN(PBB4, VGP4, DISPLAYA, DISPLAYB, RSVD4),
- PIN(PBB5, VGP5, DISPLAYA, DISPLAYB, RSVD4),
- PIN(PBB6, VGP6, DISPLAYA, DISPLAYB, RSVD4),
- PIN(PBB7, I2S4, RSVD2, RSVD3, RSVD4),
- PIN(PCC2, I2S4, RSVD2, RSVD3, RSVD4),
- PIN(JTAG_RTCK, RTCK, RSVD2, RSVD3, RSVD4),
- PIN(PWR_I2C_SCL_PZ6, I2CPWR, RSVD2, RSVD3, RSVD4),
- PIN(PWR_I2C_SDA_PZ7, I2CPWR, RSVD2, RSVD3, RSVD4),
- PIN(KB_ROW0_PR0, KBC, RSVD2, RSVD3, RSVD4),
- PIN(KB_ROW1_PR1, KBC, RSVD2, RSVD3, RSVD4),
- PIN(KB_ROW2_PR2, KBC, RSVD2, RSVD3, RSVD4),
- PIN(KB_ROW3_PR3, KBC, DISPLAYA, RSVD3, DISPLAYB),
- PIN(KB_ROW4_PR4, KBC, DISPLAYA, SPI2, DISPLAYB),
- PIN(KB_ROW5_PR5, KBC, DISPLAYA, SPI2, DISPLAYB),
- PIN(KB_ROW6_PR6, KBC, DISPLAYA, DISPLAYA_ALT, DISPLAYB),
- PIN(KB_ROW7_PR7, KBC, RSVD2, CLDVFS, UARTA),
- PIN(KB_ROW8_PS0, KBC, RSVD2, CLDVFS, UARTA),
- PIN(KB_ROW9_PS1, KBC, RSVD2, RSVD3, UARTA),
- PIN(KB_ROW10_PS2, KBC, RSVD2, RSVD3, UARTA),
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- /* Offset 0x32fc */
- PIN(KB_COL0_PQ0, KBC, USB, SPI2, EMC_DLL),
- PIN(KB_COL1_PQ1, KBC, RSVD2, SPI2, EMC_DLL),
- PIN(KB_COL2_PQ2, KBC, RSVD2, SPI2, RSVD4),
- PIN(KB_COL3_PQ3, KBC, DISPLAYA, PWM2, UARTA),
- PIN(KB_COL4_PQ4, KBC, OWR, SDMMC3, UARTA),
- PIN(KB_COL5_PQ5, KBC, RSVD2, SDMMC1, RSVD4),
- PIN(KB_COL6_PQ6, KBC, RSVD2, SPI2, RSVD4),
- PIN(KB_COL7_PQ7, KBC, RSVD2, SPI2, RSVD4),
- PIN(CLK_32K_OUT_PA0, BLINK, SOC, RSVD3, RSVD4),
- PIN(SYS_CLK_REQ_PZ5, SYSCLK, RSVD2, RSVD3, RSVD4),
- PIN(CORE_PWR_REQ, PWRON, RSVD2, RSVD3, RSVD4),
- PIN(CPU_PWR_REQ, CPU, RSVD2, RSVD3, RSVD4),
- PIN(PWR_INT_N, PMI, RSVD2, RSVD3, RSVD4),
- PIN(CLK_32K_IN, CLK, RSVD2, RSVD3, RSVD4),
- PIN(OWR, OWR, RSVD2, RSVD3, RSVD4),
- PIN(DAP1_FS_PN0, I2S0, HDA, GMI, RSVD4),
- PIN(DAP1_DIN_PN1, I2S0, HDA, GMI, RSVD4),
- PIN(DAP1_DOUT_PN2, I2S0, HDA, GMI, RSVD4),
- PIN(DAP1_SCLK_PN3, I2S0, HDA, GMI, RSVD4),
- PIN(CLK1_REQ_PEE2, DAP, DAP1, RSVD3, RSVD4),
- PIN(CLK1_OUT_PW4, EXTPERIPH1, DAP2, RSVD3, RSVD4),
- PIN(SPDIF_IN_PK6, SPDIF, USB, RSVD3, RSVD4),
- PIN(SPDIF_OUT_PK5, SPDIF, RSVD2, RSVD3, RSVD4),
- PIN(DAP2_FS_PA2, I2S1, HDA, RSVD3, RSVD4),
- PIN(DAP2_DIN_PA4, I2S1, HDA, RSVD3, RSVD4),
- PIN(DAP2_DOUT_PA5, I2S1, HDA, RSVD3, RSVD4),
- PIN(DAP2_SCLK_PA3, I2S1, HDA, RSVD3, RSVD4),
- PIN(DVFS_PWM_PX0, SPI6, CLDVFS, RSVD3, RSVD4),
- PIN(GPIO_X1_AUD_PX1, SPI6, RSVD2, RSVD3, RSVD4),
- PIN(GPIO_X3_AUD_PX3, SPI6, SPI1, RSVD3, RSVD4),
- PIN(DVFS_CLK_PX2, SPI6, CLDVFS, RSVD3, RSVD4),
- PIN(GPIO_X4_AUD_PX4, RSVD1, SPI1, SPI2, DAP2),
- PIN(GPIO_X5_AUD_PX5, RSVD1, SPI1, SPI2, RSVD4),
- PIN(GPIO_X6_AUD_PX6, SPI6, SPI1, SPI2, RSVD4),
- PIN(GPIO_X7_AUD_PX7, RSVD1, SPI1, SPI2, RSVD4),
- PIN_RESERVED,
- PIN_RESERVED,
- /* Offset 0x3390 */
- PIN(SDMMC3_CLK_PA6, SDMMC3, RSVD2, RSVD3, SPI3),
- PIN(SDMMC3_CMD_PA7, SDMMC3, PWM3, UARTA, SPI3),
- PIN(SDMMC3_DAT0_PB7, SDMMC3, RSVD2, RSVD3, SPI3),
- PIN(SDMMC3_DAT1_PB6, SDMMC3, PWM2, UARTA, SPI3),
- PIN(SDMMC3_DAT2_PB5, SDMMC3, PWM1, DISPLAYA, SPI3),
- PIN(SDMMC3_DAT3_PB4, SDMMC3, PWM0, DISPLAYB, SPI3),
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- /* Offset 0x33e0 */
- PIN(HDMI_CEC_PEE3, CEC, SDMMC3, RSVD3, SOC),
- PIN(SDMMC1_WP_N_PV3, SDMMC1, CLK12, SPI4, UARTA),
- PIN(SDMMC3_CD_N_PV2, SDMMC3, OWR, RSVD3, RSVD4),
- PIN(GPIO_W2_AUD_PW2, SPI6, RSVD2, SPI2, I2C1),
- PIN(GPIO_W3_AUD_PW3, SPI6, SPI1, SPI2, I2C1),
- PIN(USB_VBUS_EN0_PN4, USB, RSVD2, RSVD3, RSVD4),
- PIN(USB_VBUS_EN1_PN5, USB, RSVD2, RSVD3, RSVD4),
- PIN(SDMMC3_CLK_LB_IN_PEE5, SDMMC3, RSVD2, RSVD3, RSVD4),
- PIN(SDMMC3_CLK_LB_OUT_PEE4, SDMMC3, RSVD2, RSVD3, RSVD4),
- PIN(GMI_CLK_LB, SDMMC2, NAND, GMI, RSVD4),
- PIN(RESET_OUT_N, RSVD1, RSVD2, RSVD3, RESET_OUT_N),
-};
-const struct pmux_pingrp_desc *tegra_soc_pingroups = tegra114_pingroups;
+++ /dev/null
-#
-# (C) Copyright 2013-2014
-# NVIDIA Corporation <www.nvidia.com>
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-obj-y += clock.o
-obj-y += funcmux.o
-obj-y += pinmux.o
-obj-y += xusb-padctl.o
+++ /dev/null
-/*
- * (C) Copyright 2013
- * NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/* Tegra124 Clock control functions */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/sysctr.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/clk_rst.h>
-#include <asm/arch-tegra/timer.h>
-#include <div64.h>
-#include <fdtdec.h>
-
-/*
- * Clock types that we can use as a source. The Tegra124 has muxes for the
- * peripheral clocks, and in most cases there are four options for the clock
- * source. This gives us a clock 'type' and exploits what commonality exists
- * in the device.
- *
- * Letters are obvious, except for T which means CLK_M, and S which means the
- * clock derived from 32KHz. Beware that CLK_M (also called OSC in the
- * datasheet) and PLL_M are different things. The former is the basic
- * clock supplied to the SOC from an external oscillator. The latter is the
- * memory clock PLL.
- *
- * See definitions in clock_id in the header file.
- */
-enum clock_type_id {
- CLOCK_TYPE_AXPT, /* PLL_A, PLL_X, PLL_P, CLK_M */
- CLOCK_TYPE_MCPA, /* and so on */
- CLOCK_TYPE_MCPT,
- CLOCK_TYPE_PCM,
- CLOCK_TYPE_PCMT,
- CLOCK_TYPE_PDCT,
- CLOCK_TYPE_ACPT,
- CLOCK_TYPE_ASPTE,
- CLOCK_TYPE_PMDACD2T,
- CLOCK_TYPE_PCST,
-
- CLOCK_TYPE_PC2CC3M,
- CLOCK_TYPE_PC2CC3S_T,
- CLOCK_TYPE_PC2CC3M_T,
- CLOCK_TYPE_PC2CC3M_T16, /* PC2CC3M_T, but w/16-bit divisor (I2C) */
- CLOCK_TYPE_MC2CC3P_A,
- CLOCK_TYPE_M,
- CLOCK_TYPE_MCPTM2C2C3,
- CLOCK_TYPE_PC2CC3T_S,
- CLOCK_TYPE_AC2CC3P_TS2,
-
- CLOCK_TYPE_COUNT,
- CLOCK_TYPE_NONE = -1, /* invalid clock type */
-};
-
-enum {
- CLOCK_MAX_MUX = 8 /* number of source options for each clock */
-};
-
-/*
- * Clock source mux for each clock type. This just converts our enum into
- * a list of mux sources for use by the code.
- *
- * Note:
- * The extra column in each clock source array is used to store the mask
- * bits in its register for the source.
- */
-#define CLK(x) CLOCK_ID_ ## x
-static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX+1] = {
- { CLK(AUDIO), CLK(XCPU), CLK(PERIPH), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(AUDIO),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(NONE),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(PERIPH), CLK(DISPLAY), CLK(CGENERAL), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(AUDIO), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(AUDIO), CLK(SFROM32KHZ), CLK(PERIPH), CLK(OSC),
- CLK(EPCI), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_29},
- { CLK(PERIPH), CLK(MEMORY), CLK(DISPLAY), CLK(AUDIO),
- CLK(CGENERAL), CLK(DISPLAY2), CLK(OSC), CLK(NONE),
- MASK_BITS_31_29},
- { CLK(PERIPH), CLK(CGENERAL), CLK(SFROM32KHZ), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_28},
-
- /* Additional clock types on Tegra114+ */
- /* CLOCK_TYPE_PC2CC3M */
- { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
- CLK(MEMORY), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_29},
- /* CLOCK_TYPE_PC2CC3S_T */
- { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
- CLK(SFROM32KHZ), CLK(NONE), CLK(OSC), CLK(NONE),
- MASK_BITS_31_29},
- /* CLOCK_TYPE_PC2CC3M_T */
- { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
- CLK(MEMORY), CLK(NONE), CLK(OSC), CLK(NONE),
- MASK_BITS_31_29},
- /* CLOCK_TYPE_PC2CC3M_T, w/16-bit divisor (I2C) */
- { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
- CLK(MEMORY), CLK(NONE), CLK(OSC), CLK(NONE),
- MASK_BITS_31_29},
- /* CLOCK_TYPE_MC2CC3P_A */
- { CLK(MEMORY), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
- CLK(PERIPH), CLK(NONE), CLK(AUDIO), CLK(NONE),
- MASK_BITS_31_29},
- /* CLOCK_TYPE_M */
- { CLK(MEMORY), CLK(NONE), CLK(NONE), CLK(NONE),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- /* CLOCK_TYPE_MCPTM2C2C3 */
- { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
- CLK(MEMORY2), CLK(CGENERAL2), CLK(CGENERAL3), CLK(NONE),
- MASK_BITS_31_29},
- /* CLOCK_TYPE_PC2CC3T_S */
- { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
- CLK(OSC), CLK(NONE), CLK(SFROM32KHZ), CLK(NONE),
- MASK_BITS_31_29},
- /* CLOCK_TYPE_AC2CC3P_TS2 */
- { CLK(AUDIO), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
- CLK(PERIPH), CLK(NONE), CLK(OSC), CLK(SRC2),
- MASK_BITS_31_29},
-};
-
-/*
- * Clock type for each peripheral clock source. We put the name in each
- * record just so it is easy to match things up
- */
-#define TYPE(name, type) type
-static enum clock_type_id clock_periph_type[PERIPHC_COUNT] = {
- /* 0x00 */
- TYPE(PERIPHC_I2S1, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_I2S2, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_SPDIF_OUT, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_SPDIF_IN, CLOCK_TYPE_PC2CC3M),
- TYPE(PERIPHC_PWM, CLOCK_TYPE_PC2CC3S_T),
- TYPE(PERIPHC_05h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SBC2, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_SBC3, CLOCK_TYPE_PC2CC3M_T),
-
- /* 0x08 */
- TYPE(PERIPHC_08h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_I2C1, CLOCK_TYPE_PC2CC3M_T16),
- TYPE(PERIPHC_I2C5, CLOCK_TYPE_PC2CC3M_T16),
- TYPE(PERIPHC_0bh, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_0ch, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SBC1, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_DISP1, CLOCK_TYPE_PMDACD2T),
- TYPE(PERIPHC_DISP2, CLOCK_TYPE_PMDACD2T),
-
- /* 0x10 */
- TYPE(PERIPHC_10h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_11h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_VI, CLOCK_TYPE_MC2CC3P_A),
- TYPE(PERIPHC_13h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SDMMC1, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_SDMMC2, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_16h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_17h, CLOCK_TYPE_NONE),
-
- /* 0x18 */
- TYPE(PERIPHC_18h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SDMMC4, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_VFIR, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_1Bh, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_1Ch, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_HSI, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_UART1, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_UART2, CLOCK_TYPE_PC2CC3M_T),
-
- /* 0x20 */
- TYPE(PERIPHC_HOST1X, CLOCK_TYPE_MC2CC3P_A),
- TYPE(PERIPHC_21h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_22h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_HDMI, CLOCK_TYPE_PMDACD2T),
- TYPE(PERIPHC_24h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_25h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_I2C2, CLOCK_TYPE_PC2CC3M_T16),
- TYPE(PERIPHC_EMC, CLOCK_TYPE_MCPTM2C2C3),
-
- /* 0x28 */
- TYPE(PERIPHC_UART3, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_29h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_VI_SENSOR, CLOCK_TYPE_MC2CC3P_A),
- TYPE(PERIPHC_2bh, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_2ch, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SBC4, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_I2C3, CLOCK_TYPE_PC2CC3M_T16),
- TYPE(PERIPHC_SDMMC3, CLOCK_TYPE_PC2CC3M_T),
-
- /* 0x30 */
- TYPE(PERIPHC_UART4, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_UART5, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_VDE, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_OWR, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_NOR, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_CSITE, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_I2S0, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_DTV, CLOCK_TYPE_NONE),
-
- /* 0x38 */
- TYPE(PERIPHC_38h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_39h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_3ah, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_3bh, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_MSENC, CLOCK_TYPE_MC2CC3P_A),
- TYPE(PERIPHC_TSEC, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_3eh, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_OSC, CLOCK_TYPE_NONE),
-
- /* 0x40 */
- TYPE(PERIPHC_40h, CLOCK_TYPE_NONE), /* start with 0x3b0 */
- TYPE(PERIPHC_MSELECT, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_TSENSOR, CLOCK_TYPE_PC2CC3T_S),
- TYPE(PERIPHC_I2S3, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_I2S4, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_I2C4, CLOCK_TYPE_PC2CC3M_T16),
- TYPE(PERIPHC_SBC5, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_SBC6, CLOCK_TYPE_PC2CC3M_T),
-
- /* 0x48 */
- TYPE(PERIPHC_AUDIO, CLOCK_TYPE_AC2CC3P_TS2),
- TYPE(PERIPHC_49h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_DAM0, CLOCK_TYPE_AC2CC3P_TS2),
- TYPE(PERIPHC_DAM1, CLOCK_TYPE_AC2CC3P_TS2),
- TYPE(PERIPHC_DAM2, CLOCK_TYPE_AC2CC3P_TS2),
- TYPE(PERIPHC_HDA2CODEC2X, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_ACTMON, CLOCK_TYPE_PC2CC3S_T),
- TYPE(PERIPHC_EXTPERIPH1, CLOCK_TYPE_ASPTE),
-
- /* 0x50 */
- TYPE(PERIPHC_EXTPERIPH2, CLOCK_TYPE_ASPTE),
- TYPE(PERIPHC_EXTPERIPH3, CLOCK_TYPE_ASPTE),
- TYPE(PERIPHC_52h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_I2CSLOW, CLOCK_TYPE_PC2CC3S_T),
- TYPE(PERIPHC_SYS, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_55h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_56h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_57h, CLOCK_TYPE_NONE),
-
- /* 0x58 */
- TYPE(PERIPHC_58h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_59h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_5ah, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_5bh, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SATAOOB, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_SATA, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_HDA, CLOCK_TYPE_PC2CC3M_T),
- TYPE(PERIPHC_5fh, CLOCK_TYPE_NONE),
-
- /* 0x60 */
- TYPE(PERIPHC_XUSB_CORE_HOST, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_XUSB_FALCON, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_XUSB_FS, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_XUSB_CORE_DEV, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_XUSB_SS, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_CILAB, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_CILCD, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_CILE, CLOCK_TYPE_NONE),
-
- /* 0x68 */
- TYPE(PERIPHC_DSIA_LP, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_DSIB_LP, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_ENTROPY, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_DVFS_REF, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_DVFS_SOC, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_TRACECLKIN, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_ADX0, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_AMX0, CLOCK_TYPE_NONE),
-
- /* 0x70 */
- TYPE(PERIPHC_EMC_LATENCY, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SOC_THERM, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_72h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_73h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_74h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_75h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_VI_SENSOR2, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_I2C6, CLOCK_TYPE_PC2CC3M_T16),
-
- /* 0x78 */
- TYPE(PERIPHC_78h, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_EMC_DLL, CLOCK_TYPE_MCPTM2C2C3),
- TYPE(PERIPHC_HDMI_AUDIO, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_CLK72MHZ, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_ADX1, CLOCK_TYPE_AC2CC3P_TS2),
- TYPE(PERIPHC_AMX1, CLOCK_TYPE_AC2CC3P_TS2),
- TYPE(PERIPHC_VIC, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_7Fh, CLOCK_TYPE_NONE),
-};
-
-/*
- * This array translates a periph_id to a periphc_internal_id
- *
- * Not present/matched up:
- * uint vi_sensor; _VI_SENSOR_0, 0x1A8
- * SPDIF - which is both 0x08 and 0x0c
- *
- */
-#define NONE(name) (-1)
-#define OFFSET(name, value) PERIPHC_ ## name
-static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = {
- /* Low word: 31:0 */
- NONE(CPU),
- NONE(COP),
- NONE(TRIGSYS),
- NONE(ISPB),
- NONE(RESERVED4),
- NONE(TMR),
- PERIPHC_UART1,
- PERIPHC_UART2, /* and vfir 0x68 */
-
- /* 8 */
- NONE(GPIO),
- PERIPHC_SDMMC2,
- PERIPHC_SPDIF_IN,
- PERIPHC_I2S1,
- PERIPHC_I2C1,
- NONE(RESERVED13),
- PERIPHC_SDMMC1,
- PERIPHC_SDMMC4,
-
- /* 16 */
- NONE(TCW),
- PERIPHC_PWM,
- PERIPHC_I2S2,
- NONE(RESERVED19),
- PERIPHC_VI,
- NONE(RESERVED21),
- NONE(USBD),
- NONE(ISP),
-
- /* 24 */
- NONE(RESERVED24),
- NONE(RESERVED25),
- PERIPHC_DISP2,
- PERIPHC_DISP1,
- PERIPHC_HOST1X,
- NONE(VCP),
- PERIPHC_I2S0,
- NONE(CACHE2),
-
- /* Middle word: 63:32 */
- NONE(MEM),
- NONE(AHBDMA),
- NONE(APBDMA),
- NONE(RESERVED35),
- NONE(RESERVED36),
- NONE(STAT_MON),
- NONE(RESERVED38),
- NONE(FUSE),
-
- /* 40 */
- NONE(KFUSE),
- PERIPHC_SBC1, /* SBCx = SPIx */
- PERIPHC_NOR,
- NONE(RESERVED43),
- PERIPHC_SBC2,
- NONE(XIO),
- PERIPHC_SBC3,
- PERIPHC_I2C5,
-
- /* 48 */
- NONE(DSI),
- NONE(RESERVED49),
- PERIPHC_HSI,
- PERIPHC_HDMI,
- NONE(CSI),
- NONE(RESERVED53),
- PERIPHC_I2C2,
- PERIPHC_UART3,
-
- /* 56 */
- NONE(MIPI_CAL),
- PERIPHC_EMC,
- NONE(USB2),
- NONE(USB3),
- NONE(RESERVED60),
- PERIPHC_VDE,
- NONE(BSEA),
- NONE(BSEV),
-
- /* Upper word 95:64 */
- NONE(RESERVED64),
- PERIPHC_UART4,
- PERIPHC_UART5,
- PERIPHC_I2C3,
- PERIPHC_SBC4,
- PERIPHC_SDMMC3,
- NONE(PCIE),
- PERIPHC_OWR,
-
- /* 72 */
- NONE(AFI),
- PERIPHC_CSITE,
- NONE(PCIEXCLK),
- NONE(AVPUCQ),
- NONE(LA),
- NONE(TRACECLKIN),
- NONE(SOC_THERM),
- NONE(DTV),
-
- /* 80 */
- NONE(RESERVED80),
- PERIPHC_I2CSLOW,
- NONE(DSIB),
- PERIPHC_TSEC,
- NONE(RESERVED84),
- NONE(RESERVED85),
- NONE(RESERVED86),
- NONE(EMUCIF),
-
- /* 88 */
- NONE(RESERVED88),
- NONE(XUSB_HOST),
- NONE(RESERVED90),
- PERIPHC_MSENC,
- NONE(RESERVED92),
- NONE(RESERVED93),
- NONE(RESERVED94),
- NONE(XUSB_DEV),
-
- /* V word: 31:0 */
- NONE(CPUG),
- NONE(CPULP),
- NONE(V_RESERVED2),
- PERIPHC_MSELECT,
- NONE(V_RESERVED4),
- PERIPHC_I2S3,
- PERIPHC_I2S4,
- PERIPHC_I2C4,
-
- /* 104 */
- PERIPHC_SBC5,
- PERIPHC_SBC6,
- PERIPHC_AUDIO,
- NONE(APBIF),
- PERIPHC_DAM0,
- PERIPHC_DAM1,
- PERIPHC_DAM2,
- PERIPHC_HDA2CODEC2X,
-
- /* 112 */
- NONE(ATOMICS),
- NONE(V_RESERVED17),
- NONE(V_RESERVED18),
- NONE(V_RESERVED19),
- NONE(V_RESERVED20),
- NONE(V_RESERVED21),
- NONE(V_RESERVED22),
- PERIPHC_ACTMON,
-
- /* 120 */
- NONE(EXTPERIPH1),
- NONE(EXTPERIPH2),
- NONE(EXTPERIPH3),
- NONE(OOB),
- PERIPHC_SATA,
- PERIPHC_HDA,
- NONE(TZRAM),
- NONE(SE),
-
- /* W word: 31:0 */
- NONE(HDA2HDMICODEC),
- NONE(SATACOLD),
- NONE(W_RESERVED2),
- NONE(W_RESERVED3),
- NONE(W_RESERVED4),
- NONE(W_RESERVED5),
- NONE(W_RESERVED6),
- NONE(W_RESERVED7),
-
- /* 136 */
- NONE(CEC),
- NONE(W_RESERVED9),
- NONE(W_RESERVED10),
- NONE(W_RESERVED11),
- NONE(W_RESERVED12),
- NONE(W_RESERVED13),
- NONE(XUSB_PADCTL),
- NONE(W_RESERVED15),
-
- /* 144 */
- NONE(W_RESERVED16),
- NONE(W_RESERVED17),
- NONE(W_RESERVED18),
- NONE(W_RESERVED19),
- NONE(W_RESERVED20),
- NONE(ENTROPY),
- NONE(DDS),
- NONE(W_RESERVED23),
-
- /* 152 */
- NONE(DP2),
- NONE(AMX0),
- NONE(ADX0),
- NONE(DVFS),
- NONE(XUSB_SS),
- NONE(W_RESERVED29),
- NONE(W_RESERVED30),
- NONE(W_RESERVED31),
-
- /* X word: 31:0 */
- NONE(SPARE),
- NONE(X_RESERVED1),
- NONE(X_RESERVED2),
- NONE(X_RESERVED3),
- NONE(CAM_MCLK),
- NONE(CAM_MCLK2),
- PERIPHC_I2C6,
- NONE(X_RESERVED7),
-
- /* 168 */
- NONE(X_RESERVED8),
- NONE(X_RESERVED9),
- NONE(X_RESERVED10),
- NONE(VIM2_CLK),
- NONE(X_RESERVED12),
- NONE(X_RESERVED13),
- NONE(EMC_DLL),
- NONE(X_RESERVED15),
-
- /* 176 */
- NONE(HDMI_AUDIO),
- NONE(CLK72MHZ),
- NONE(VIC),
- NONE(X_RESERVED19),
- NONE(ADX1),
- NONE(DPAUX),
- NONE(SOR0),
- NONE(X_RESERVED23),
-
- /* 184 */
- NONE(GPU),
- NONE(AMX1),
- NONE(X_RESERVED26),
- NONE(X_RESERVED27),
- NONE(X_RESERVED28),
- NONE(X_RESERVED29),
- NONE(X_RESERVED30),
- NONE(X_RESERVED31),
-};
-
-/*
- * Get the oscillator frequency, from the corresponding hardware configuration
- * field. Note that Tegra30+ support 3 new higher freqs, but we map back
- * to the old T20 freqs. Support for the higher oscillators is TBD.
- */
-enum clock_osc_freq clock_get_osc_freq(void)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 reg;
-
- reg = readl(&clkrst->crc_osc_ctrl);
- reg = (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
-
- if (reg & 1) /* one of the newer freqs */
- printf("Warning: OSC_FREQ is unsupported! (%d)\n", reg);
-
- return reg >> 2; /* Map to most common (T20) freqs */
-}
-
-/* Returns a pointer to the clock source register for a peripheral */
-u32 *get_periph_source_reg(enum periph_id periph_id)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- enum periphc_internal_id internal_id;
-
- /* Coresight is a special case */
- if (periph_id == PERIPH_ID_CSI)
- return &clkrst->crc_clk_src[PERIPH_ID_CSI+1];
-
- assert(periph_id >= PERIPH_ID_FIRST && periph_id < PERIPH_ID_COUNT);
- internal_id = periph_id_to_internal_id[periph_id];
- assert(internal_id != -1);
- if (internal_id >= PERIPHC_VW_FIRST) {
- internal_id -= PERIPHC_VW_FIRST;
- return &clkrst->crc_clk_src_vw[internal_id];
- } else {
- return &clkrst->crc_clk_src[internal_id];
- }
-}
-
-/**
- * Given a peripheral ID and the required source clock, this returns which
- * value should be programmed into the source mux for that peripheral.
- *
- * There is special code here to handle the one source type with 5 sources.
- *
- * @param periph_id peripheral to start
- * @param source PLL id of required parent clock
- * @param mux_bits Set to number of bits in mux register: 2 or 4
- * @param divider_bits Set to number of divider bits (8 or 16)
- * @return mux value (0-4, or -1 if not found)
- */
-int get_periph_clock_source(enum periph_id periph_id,
- enum clock_id parent, int *mux_bits, int *divider_bits)
-{
- enum clock_type_id type;
- enum periphc_internal_id internal_id;
- int mux;
-
- assert(clock_periph_id_isvalid(periph_id));
-
- internal_id = periph_id_to_internal_id[periph_id];
- assert(periphc_internal_id_isvalid(internal_id));
-
- type = clock_periph_type[internal_id];
- assert(clock_type_id_isvalid(type));
-
- *mux_bits = clock_source[type][CLOCK_MAX_MUX];
-
- if (type == CLOCK_TYPE_PC2CC3M_T16)
- *divider_bits = 16;
- else
- *divider_bits = 8;
-
- for (mux = 0; mux < CLOCK_MAX_MUX; mux++)
- if (clock_source[type][mux] == parent)
- return mux;
-
- /* if we get here, either us or the caller has made a mistake */
- printf("Caller requested bad clock: periph=%d, parent=%d\n", periph_id,
- parent);
- return -1;
-}
-
-void clock_set_enable(enum periph_id periph_id, int enable)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 *clk;
- u32 reg;
-
- /* Enable/disable the clock to this peripheral */
- assert(clock_periph_id_isvalid(periph_id));
- if ((int)periph_id < (int)PERIPH_ID_VW_FIRST)
- clk = &clkrst->crc_clk_out_enb[PERIPH_REG(periph_id)];
- else
- clk = &clkrst->crc_clk_out_enb_vw[PERIPH_REG(periph_id)];
- reg = readl(clk);
- if (enable)
- reg |= PERIPH_MASK(periph_id);
- else
- reg &= ~PERIPH_MASK(periph_id);
- writel(reg, clk);
-}
-
-void reset_set_enable(enum periph_id periph_id, int enable)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 *reset;
- u32 reg;
-
- /* Enable/disable reset to the peripheral */
- assert(clock_periph_id_isvalid(periph_id));
- if (periph_id < PERIPH_ID_VW_FIRST)
- reset = &clkrst->crc_rst_dev[PERIPH_REG(periph_id)];
- else
- reset = &clkrst->crc_rst_dev_vw[PERIPH_REG(periph_id)];
- reg = readl(reset);
- if (enable)
- reg |= PERIPH_MASK(periph_id);
- else
- reg &= ~PERIPH_MASK(periph_id);
- writel(reg, reset);
-}
-
-#ifdef CONFIG_OF_CONTROL
-/*
- * Convert a device tree clock ID to our peripheral ID. They are mostly
- * the same but we are very cautious so we check that a valid clock ID is
- * provided.
- *
- * @param clk_id Clock ID according to tegra124 device tree binding
- * @return peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid
- */
-enum periph_id clk_id_to_periph_id(int clk_id)
-{
- if (clk_id > PERIPH_ID_COUNT)
- return PERIPH_ID_NONE;
-
- switch (clk_id) {
- case PERIPH_ID_RESERVED4:
- case PERIPH_ID_RESERVED25:
- case PERIPH_ID_RESERVED35:
- case PERIPH_ID_RESERVED36:
- case PERIPH_ID_RESERVED38:
- case PERIPH_ID_RESERVED43:
- case PERIPH_ID_RESERVED49:
- case PERIPH_ID_RESERVED53:
- case PERIPH_ID_RESERVED64:
- case PERIPH_ID_RESERVED84:
- case PERIPH_ID_RESERVED85:
- case PERIPH_ID_RESERVED86:
- case PERIPH_ID_RESERVED88:
- case PERIPH_ID_RESERVED90:
- case PERIPH_ID_RESERVED92:
- case PERIPH_ID_RESERVED93:
- case PERIPH_ID_RESERVED94:
- case PERIPH_ID_V_RESERVED2:
- case PERIPH_ID_V_RESERVED4:
- case PERIPH_ID_V_RESERVED17:
- case PERIPH_ID_V_RESERVED18:
- case PERIPH_ID_V_RESERVED19:
- case PERIPH_ID_V_RESERVED20:
- case PERIPH_ID_V_RESERVED21:
- case PERIPH_ID_V_RESERVED22:
- case PERIPH_ID_W_RESERVED2:
- case PERIPH_ID_W_RESERVED3:
- case PERIPH_ID_W_RESERVED4:
- case PERIPH_ID_W_RESERVED5:
- case PERIPH_ID_W_RESERVED6:
- case PERIPH_ID_W_RESERVED7:
- case PERIPH_ID_W_RESERVED9:
- case PERIPH_ID_W_RESERVED10:
- case PERIPH_ID_W_RESERVED11:
- case PERIPH_ID_W_RESERVED12:
- case PERIPH_ID_W_RESERVED13:
- case PERIPH_ID_W_RESERVED15:
- case PERIPH_ID_W_RESERVED16:
- case PERIPH_ID_W_RESERVED17:
- case PERIPH_ID_W_RESERVED18:
- case PERIPH_ID_W_RESERVED19:
- case PERIPH_ID_W_RESERVED20:
- case PERIPH_ID_W_RESERVED23:
- case PERIPH_ID_W_RESERVED29:
- case PERIPH_ID_W_RESERVED30:
- case PERIPH_ID_W_RESERVED31:
- return PERIPH_ID_NONE;
- default:
- return clk_id;
- }
-}
-#endif /* CONFIG_OF_CONTROL */
-
-void clock_early_init(void)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
-
- tegra30_set_up_pllp();
-
- /*
- * PLLC output frequency set to 600Mhz
- * PLLD output frequency set to 925Mhz
- */
- switch (clock_get_osc_freq()) {
- case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */
- clock_set_rate(CLOCK_ID_CGENERAL, 600, 12, 0, 8);
- clock_set_rate(CLOCK_ID_DISPLAY, 925, 12, 0, 12);
- break;
-
- case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */
- clock_set_rate(CLOCK_ID_CGENERAL, 600, 26, 0, 8);
- clock_set_rate(CLOCK_ID_DISPLAY, 925, 26, 0, 12);
- break;
-
- case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */
- clock_set_rate(CLOCK_ID_CGENERAL, 600, 13, 0, 8);
- clock_set_rate(CLOCK_ID_DISPLAY, 925, 13, 0, 12);
- break;
- case CLOCK_OSC_FREQ_19_2:
- default:
- /*
- * These are not supported. It is too early to print a
- * message and the UART likely won't work anyway due to the
- * oscillator being wrong.
- */
- break;
- }
-
- /* PLLC_MISC2: Set dynramp_stepA/B. MISC2 maps to pll_out[1] */
- writel(0x00561600, &clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_out[1]);
-
- /* PLLC_MISC: Set LOCK_ENABLE */
- writel(0x01000000, &clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_misc);
- udelay(2);
-
- /* PLLD_MISC: Set CLKENABLE, CPCON 12, LFCON 1 */
- writel(0x40000C10, &clkrst->crc_pll[CLOCK_ID_DISPLAY].pll_misc);
- udelay(2);
-}
-
-void arch_timer_init(void)
-{
- struct sysctr_ctlr *sysctr = (struct sysctr_ctlr *)NV_PA_TSC_BASE;
- u32 freq, val;
-
- freq = clock_get_rate(CLOCK_ID_OSC);
- debug("%s: osc freq is %dHz [0x%08X]\n", __func__, freq, freq);
-
- /* ARM CNTFRQ */
- asm("mcr p15, 0, %0, c14, c0, 0\n" : : "r" (freq));
-
- /* Only Tegra114+ has the System Counter regs */
- debug("%s: setting CNTFID0 to 0x%08X\n", __func__, freq);
- writel(freq, &sysctr->cntfid0);
-
- val = readl(&sysctr->cntcr);
- val |= TSC_CNTCR_ENABLE | TSC_CNTCR_HDBG;
- writel(val, &sysctr->cntcr);
- debug("%s: TSC CNTCR = 0x%08X\n", __func__, val);
-}
-
-#define PLLE_SS_CNTL 0x68
-#define PLLE_SS_CNTL_SSCINCINTR(x) (((x) & 0x3f) << 24)
-#define PLLE_SS_CNTL_SSCINC(x) (((x) & 0xff) << 16)
-#define PLLE_SS_CNTL_SSCINVERT (1 << 15)
-#define PLLE_SS_CNTL_SSCCENTER (1 << 14)
-#define PLLE_SS_CNTL_SSCBYP (1 << 12)
-#define PLLE_SS_CNTL_INTERP_RESET (1 << 11)
-#define PLLE_SS_CNTL_BYPASS_SS (1 << 10)
-#define PLLE_SS_CNTL_SSCMAX(x) (((x) & 0x1ff) << 0)
-
-#define PLLE_BASE 0x0e8
-#define PLLE_BASE_ENABLE (1 << 30)
-#define PLLE_BASE_LOCK_OVERRIDE (1 << 29)
-#define PLLE_BASE_PLDIV_CML(x) (((x) & 0xf) << 24)
-#define PLLE_BASE_NDIV(x) (((x) & 0xff) << 8)
-#define PLLE_BASE_MDIV(x) (((x) & 0xff) << 0)
-
-#define PLLE_MISC 0x0ec
-#define PLLE_MISC_IDDQ_SWCTL (1 << 14)
-#define PLLE_MISC_IDDQ_OVERRIDE (1 << 13)
-#define PLLE_MISC_LOCK_ENABLE (1 << 9)
-#define PLLE_MISC_PTS (1 << 8)
-#define PLLE_MISC_VREG_BG_CTRL(x) (((x) & 0x3) << 4)
-#define PLLE_MISC_VREG_CTRL(x) (((x) & 0x3) << 2)
-
-#define PLLE_AUX 0x48c
-#define PLLE_AUX_SEQ_ENABLE (1 << 24)
-#define PLLE_AUX_ENABLE_SWCTL (1 << 4)
-
-int tegra_plle_enable(void)
-{
- unsigned int m = 1, n = 200, cpcon = 13;
- u32 value;
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
- value &= ~PLLE_BASE_LOCK_OVERRIDE;
- writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_AUX);
- value |= PLLE_AUX_ENABLE_SWCTL;
- value &= ~PLLE_AUX_SEQ_ENABLE;
- writel(value, NV_PA_CLK_RST_BASE + PLLE_AUX);
-
- udelay(1);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
- value |= PLLE_MISC_IDDQ_SWCTL;
- value &= ~PLLE_MISC_IDDQ_OVERRIDE;
- value |= PLLE_MISC_LOCK_ENABLE;
- value |= PLLE_MISC_PTS;
- value |= PLLE_MISC_VREG_BG_CTRL(3);
- value |= PLLE_MISC_VREG_CTRL(2);
- writel(value, NV_PA_CLK_RST_BASE + PLLE_MISC);
-
- udelay(5);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
- value |= PLLE_SS_CNTL_SSCBYP | PLLE_SS_CNTL_INTERP_RESET |
- PLLE_SS_CNTL_BYPASS_SS;
- writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
- value &= ~PLLE_BASE_PLDIV_CML(0xf);
- value &= ~PLLE_BASE_NDIV(0xff);
- value &= ~PLLE_BASE_MDIV(0xff);
- value |= PLLE_BASE_PLDIV_CML(cpcon);
- value |= PLLE_BASE_NDIV(n);
- value |= PLLE_BASE_MDIV(m);
- writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
-
- udelay(1);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
- value |= PLLE_BASE_ENABLE;
- writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
-
- /* wait for lock */
- udelay(300);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
- value &= ~PLLE_SS_CNTL_SSCINVERT;
- value &= ~PLLE_SS_CNTL_SSCCENTER;
-
- value &= ~PLLE_SS_CNTL_SSCINCINTR(0x3f);
- value &= ~PLLE_SS_CNTL_SSCINC(0xff);
- value &= ~PLLE_SS_CNTL_SSCMAX(0x1ff);
-
- value |= PLLE_SS_CNTL_SSCINCINTR(0x20);
- value |= PLLE_SS_CNTL_SSCINC(0x01);
- value |= PLLE_SS_CNTL_SSCMAX(0x25);
-
- writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
- value &= ~PLLE_SS_CNTL_SSCBYP;
- value &= ~PLLE_SS_CNTL_BYPASS_SS;
- writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
-
- udelay(1);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
- value &= ~PLLE_SS_CNTL_INTERP_RESET;
- writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
-
- udelay(1);
-
- return 0;
-}
+++ /dev/null
-/*
- * (C) Copyright 2013
- * NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/* Tegra124 high-level function multiplexing */
-
-#include <common.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/funcmux.h>
-#include <asm/arch/pinmux.h>
-
-int funcmux_select(enum periph_id id, int config)
-{
- int bad_config = config != FUNCMUX_DEFAULT;
-
- switch (id) {
- case PERIPH_ID_UART4:
- switch (config) {
- case FUNCMUX_UART4_GPIO: /* TXD,RXD,CTS,RTS */
- pinmux_set_func(PMUX_PINGRP_PJ7, PMUX_FUNC_UARTD);
- pinmux_set_func(PMUX_PINGRP_PB0, PMUX_FUNC_UARTD);
- pinmux_set_func(PMUX_PINGRP_PB1, PMUX_FUNC_UARTD);
- pinmux_set_func(PMUX_PINGRP_PK7, PMUX_FUNC_UARTD);
-
- pinmux_set_io(PMUX_PINGRP_PJ7, PMUX_PIN_OUTPUT);
- pinmux_set_io(PMUX_PINGRP_PB0, PMUX_PIN_INPUT);
- pinmux_set_io(PMUX_PINGRP_PB1, PMUX_PIN_INPUT);
- pinmux_set_io(PMUX_PINGRP_PK7, PMUX_PIN_OUTPUT);
-
- pinmux_tristate_disable(PMUX_PINGRP_PJ7);
- pinmux_tristate_disable(PMUX_PINGRP_PB0);
- pinmux_tristate_disable(PMUX_PINGRP_PB1);
- pinmux_tristate_disable(PMUX_PINGRP_PK7);
- break;
- }
- break;
-
- case PERIPH_ID_UART1:
- switch (config) {
- case FUNCMUX_UART1_KBC:
- pinmux_set_func(PMUX_PINGRP_KB_ROW9_PS1,
- PMUX_FUNC_UARTA);
- pinmux_set_func(PMUX_PINGRP_KB_ROW10_PS2,
- PMUX_FUNC_UARTA);
-
- pinmux_set_io(PMUX_PINGRP_KB_ROW9_PS1, PMUX_PIN_OUTPUT);
- pinmux_set_io(PMUX_PINGRP_KB_ROW10_PS2, PMUX_PIN_INPUT);
-
- pinmux_tristate_disable(PMUX_PINGRP_KB_ROW9_PS1);
- pinmux_tristate_disable(PMUX_PINGRP_KB_ROW10_PS2);
- break;
- }
- break;
-
- /* Add other periph IDs here as needed */
-
- default:
- debug("%s: invalid periph_id %d", __func__, id);
- return -1;
- }
-
- if (bad_config) {
- debug("%s: invalid config %d for periph_id %d", __func__,
- config, id);
- return -1;
- }
- return 0;
-}
+++ /dev/null
-/*
- * Copyright (c) 2013-2014, NVIDIA CORPORATION. All rights reserved.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/pinmux.h>
-
-#define PIN(pin, f0, f1, f2, f3) \
- { \
- .funcs = { \
- PMUX_FUNC_##f0, \
- PMUX_FUNC_##f1, \
- PMUX_FUNC_##f2, \
- PMUX_FUNC_##f3, \
- }, \
- }
-
-#define PIN_RESERVED {}
-
-static const struct pmux_pingrp_desc tegra124_pingroups[] = {
- /* pin, f0, f1, f2, f3 */
- /* Offset 0x3000 */
- PIN(ULPI_DATA0_PO1, SPI3, HSI, UARTA, ULPI),
- PIN(ULPI_DATA1_PO2, SPI3, HSI, UARTA, ULPI),
- PIN(ULPI_DATA2_PO3, SPI3, HSI, UARTA, ULPI),
- PIN(ULPI_DATA3_PO4, SPI3, HSI, UARTA, ULPI),
- PIN(ULPI_DATA4_PO5, SPI2, HSI, UARTA, ULPI),
- PIN(ULPI_DATA5_PO6, SPI2, HSI, UARTA, ULPI),
- PIN(ULPI_DATA6_PO7, SPI2, HSI, UARTA, ULPI),
- PIN(ULPI_DATA7_PO0, SPI2, HSI, UARTA, ULPI),
- PIN(ULPI_CLK_PY0, SPI1, SPI5, UARTD, ULPI),
- PIN(ULPI_DIR_PY1, SPI1, SPI5, UARTD, ULPI),
- PIN(ULPI_NXT_PY2, SPI1, SPI5, UARTD, ULPI),
- PIN(ULPI_STP_PY3, SPI1, SPI5, UARTD, ULPI),
- PIN(DAP3_FS_PP0, I2S2, SPI5, DISPLAYA, DISPLAYB),
- PIN(DAP3_DIN_PP1, I2S2, SPI5, DISPLAYA, DISPLAYB),
- PIN(DAP3_DOUT_PP2, I2S2, SPI5, DISPLAYA, RSVD4),
- PIN(DAP3_SCLK_PP3, I2S2, SPI5, RSVD3, DISPLAYB),
- PIN(PV0, RSVD1, RSVD2, RSVD3, RSVD4),
- PIN(PV1, RSVD1, RSVD2, RSVD3, RSVD4),
- PIN(SDMMC1_CLK_PZ0, SDMMC1, CLK12, RSVD3, RSVD4),
- PIN(SDMMC1_CMD_PZ1, SDMMC1, SPDIF, SPI4, UARTA),
- PIN(SDMMC1_DAT3_PY4, SDMMC1, SPDIF, SPI4, UARTA),
- PIN(SDMMC1_DAT2_PY5, SDMMC1, PWM0, SPI4, UARTA),
- PIN(SDMMC1_DAT1_PY6, SDMMC1, PWM1, SPI4, UARTA),
- PIN(SDMMC1_DAT0_PY7, SDMMC1, RSVD2, SPI4, UARTA),
- PIN_RESERVED,
- PIN_RESERVED,
- /* Offset 0x3068 */
- PIN(CLK2_OUT_PW5, EXTPERIPH2, RSVD2, RSVD3, RSVD4),
- PIN(CLK2_REQ_PCC5, DAP, RSVD2, RSVD3, RSVD4),
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- /* Offset 0x3110 */
- PIN(HDMI_INT_PN7, RSVD1, RSVD2, RSVD3, RSVD4),
- PIN(DDC_SCL_PV4, I2C4, RSVD2, RSVD3, RSVD4),
- PIN(DDC_SDA_PV5, I2C4, RSVD2, RSVD3, RSVD4),
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- /* Offset 0x3164 */
- PIN(UART2_RXD_PC3, IRDA, SPDIF, UARTA, SPI4),
- PIN(UART2_TXD_PC2, IRDA, SPDIF, UARTA, SPI4),
- PIN(UART2_RTS_N_PJ6, UARTA, UARTB, GMI, SPI4),
- PIN(UART2_CTS_N_PJ5, UARTA, UARTB, GMI, SPI4),
- PIN(UART3_TXD_PW6, UARTC, RSVD2, GMI, SPI4),
- PIN(UART3_RXD_PW7, UARTC, RSVD2, GMI, SPI4),
- PIN(UART3_CTS_N_PA1, UARTC, SDMMC1, DTV, GMI),
- PIN(UART3_RTS_N_PC0, UARTC, PWM0, DTV, GMI),
- PIN(PU0, OWR, UARTA, GMI, RSVD4),
- PIN(PU1, RSVD1, UARTA, GMI, RSVD4),
- PIN(PU2, RSVD1, UARTA, GMI, RSVD4),
- PIN(PU3, PWM0, UARTA, GMI, DISPLAYB),
- PIN(PU4, PWM1, UARTA, GMI, DISPLAYB),
- PIN(PU5, PWM2, UARTA, GMI, DISPLAYB),
- PIN(PU6, PWM3, UARTA, RSVD3, GMI),
- PIN(GEN1_I2C_SDA_PC5, I2C1, RSVD2, RSVD3, RSVD4),
- PIN(GEN1_I2C_SCL_PC4, I2C1, RSVD2, RSVD3, RSVD4),
- PIN(DAP4_FS_PP4, I2S3, GMI, DTV, RSVD4),
- PIN(DAP4_DIN_PP5, I2S3, GMI, RSVD3, RSVD4),
- PIN(DAP4_DOUT_PP6, I2S3, GMI, DTV, RSVD4),
- PIN(DAP4_SCLK_PP7, I2S3, GMI, RSVD3, RSVD4),
- PIN(CLK3_OUT_PEE0, EXTPERIPH3, RSVD2, RSVD3, RSVD4),
- PIN(CLK3_REQ_PEE1, DEV3, RSVD2, RSVD3, RSVD4),
- PIN(PC7, RSVD1, RSVD2, GMI, GMI_ALT),
- PIN(PI5, SDMMC2, RSVD2, GMI, RSVD4),
- PIN(PI7, RSVD1, TRACE, GMI, DTV),
- PIN(PK0, RSVD1, SDMMC3, GMI, SOC),
- PIN(PK1, SDMMC2, TRACE, GMI, RSVD4),
- PIN(PJ0, RSVD1, RSVD2, GMI, USB),
- PIN(PJ2, RSVD1, RSVD2, GMI, SOC),
- PIN(PK3, SDMMC2, TRACE, GMI, CCLA),
- PIN(PK4, SDMMC2, RSVD2, GMI, GMI_ALT),
- PIN(PK2, RSVD1, RSVD2, GMI, RSVD4),
- PIN(PI3, RSVD1, RSVD2, GMI, SPI4),
- PIN(PI6, RSVD1, RSVD2, GMI, SDMMC2),
- PIN(PG0, RSVD1, RSVD2, GMI, RSVD4),
- PIN(PG1, RSVD1, RSVD2, GMI, RSVD4),
- PIN(PG2, RSVD1, TRACE, GMI, RSVD4),
- PIN(PG3, RSVD1, TRACE, GMI, RSVD4),
- PIN(PG4, RSVD1, TMDS, GMI, SPI4),
- PIN(PG5, RSVD1, RSVD2, GMI, SPI4),
- PIN(PG6, RSVD1, RSVD2, GMI, SPI4),
- PIN(PG7, RSVD1, RSVD2, GMI, SPI4),
- PIN(PH0, PWM0, TRACE, GMI, DTV),
- PIN(PH1, PWM1, TMDS, GMI, DISPLAYA),
- PIN(PH2, PWM2, TMDS, GMI, CLDVFS),
- PIN(PH3, PWM3, SPI4, GMI, CLDVFS),
- PIN(PH4, SDMMC2, RSVD2, GMI, RSVD4),
- PIN(PH5, SDMMC2, RSVD2, GMI, RSVD4),
- PIN(PH6, SDMMC2, TRACE, GMI, DTV),
- PIN(PH7, SDMMC2, TRACE, GMI, DTV),
- PIN(PJ7, UARTD, RSVD2, GMI, GMI_ALT),
- PIN(PB0, UARTD, RSVD2, GMI, RSVD4),
- PIN(PB1, UARTD, RSVD2, GMI, RSVD4),
- PIN(PK7, UARTD, RSVD2, GMI, RSVD4),
- PIN(PI0, RSVD1, RSVD2, GMI, RSVD4),
- PIN(PI1, RSVD1, RSVD2, GMI, RSVD4),
- PIN(PI2, SDMMC2, TRACE, GMI, RSVD4),
- PIN(PI4, SPI4, TRACE, GMI, DISPLAYA),
- PIN(GEN2_I2C_SCL_PT5, I2C2, RSVD2, GMI, RSVD4),
- PIN(GEN2_I2C_SDA_PT6, I2C2, RSVD2, GMI, RSVD4),
- PIN(SDMMC4_CLK_PCC4, SDMMC4, RSVD2, GMI, RSVD4),
- PIN(SDMMC4_CMD_PT7, SDMMC4, RSVD2, GMI, RSVD4),
- PIN(SDMMC4_DAT0_PAA0, SDMMC4, SPI3, GMI, RSVD4),
- PIN(SDMMC4_DAT1_PAA1, SDMMC4, SPI3, GMI, RSVD4),
- PIN(SDMMC4_DAT2_PAA2, SDMMC4, SPI3, GMI, RSVD4),
- PIN(SDMMC4_DAT3_PAA3, SDMMC4, SPI3, GMI, RSVD4),
- PIN(SDMMC4_DAT4_PAA4, SDMMC4, SPI3, GMI, RSVD4),
- PIN(SDMMC4_DAT5_PAA5, SDMMC4, SPI3, RSVD3, RSVD4),
- PIN(SDMMC4_DAT6_PAA6, SDMMC4, SPI3, GMI, RSVD4),
- PIN(SDMMC4_DAT7_PAA7, SDMMC4, RSVD2, GMI, RSVD4),
- PIN_RESERVED,
- /* Offset 0x3284 */
- PIN(CAM_MCLK_PCC0, VI, VI_ALT1, VI_ALT3, SDMMC2),
- PIN(PCC1, I2S4, RSVD2, RSVD3, SDMMC2),
- PIN(PBB0, VGP6, VIMCLK2, SDMMC2, VIMCLK2_ALT),
- PIN(CAM_I2C_SCL_PBB1, VGP1, I2C3, RSVD3, SDMMC2),
- PIN(CAM_I2C_SDA_PBB2, VGP2, I2C3, RSVD3, SDMMC2),
- PIN(PBB3, VGP3, DISPLAYA, DISPLAYB, SDMMC2),
- PIN(PBB4, VGP4, DISPLAYA, DISPLAYB, SDMMC2),
- PIN(PBB5, VGP5, DISPLAYA, RSVD3, SDMMC2),
- PIN(PBB6, I2S4, RSVD2, DISPLAYB, SDMMC2),
- PIN(PBB7, I2S4, RSVD2, RSVD3, SDMMC2),
- PIN(PCC2, I2S4, RSVD2, SDMMC3, SDMMC2),
- PIN(JTAG_RTCK, RTCK, RSVD2, RSVD3, RSVD4),
- PIN(PWR_I2C_SCL_PZ6, I2CPWR, RSVD2, RSVD3, RSVD4),
- PIN(PWR_I2C_SDA_PZ7, I2CPWR, RSVD2, RSVD3, RSVD4),
- PIN(KB_ROW0_PR0, KBC, RSVD2, RSVD3, RSVD4),
- PIN(KB_ROW1_PR1, KBC, RSVD2, RSVD3, RSVD4),
- PIN(KB_ROW2_PR2, KBC, RSVD2, RSVD3, RSVD4),
- PIN(KB_ROW3_PR3, KBC, DISPLAYA, SYS, DISPLAYB),
- PIN(KB_ROW4_PR4, KBC, DISPLAYA, RSVD3, DISPLAYB),
- PIN(KB_ROW5_PR5, KBC, DISPLAYA, RSVD3, DISPLAYB),
- PIN(KB_ROW6_PR6, KBC, DISPLAYA, DISPLAYA_ALT, DISPLAYB),
- PIN(KB_ROW7_PR7, KBC, RSVD2, CLDVFS, UARTA),
- PIN(KB_ROW8_PS0, KBC, RSVD2, CLDVFS, UARTA),
- PIN(KB_ROW9_PS1, KBC, RSVD2, RSVD3, UARTA),
- PIN(KB_ROW10_PS2, KBC, RSVD2, RSVD3, UARTA),
- PIN(KB_ROW11_PS3, KBC, RSVD2, RSVD3, IRDA),
- PIN(KB_ROW12_PS4, KBC, RSVD2, RSVD3, IRDA),
- PIN(KB_ROW13_PS5, KBC, RSVD2, SPI2, RSVD4),
- PIN(KB_ROW14_PS6, KBC, RSVD2, SPI2, RSVD4),
- PIN(KB_ROW15_PS7, KBC, SOC, RSVD3, RSVD4),
- PIN(KB_COL0_PQ0, KBC, RSVD2, SPI2, RSVD4),
- PIN(KB_COL1_PQ1, KBC, RSVD2, SPI2, RSVD4),
- PIN(KB_COL2_PQ2, KBC, RSVD2, SPI2, RSVD4),
- PIN(KB_COL3_PQ3, KBC, DISPLAYA, PWM2, UARTA),
- PIN(KB_COL4_PQ4, KBC, OWR, SDMMC3, UARTA),
- PIN(KB_COL5_PQ5, KBC, RSVD2, SDMMC3, RSVD4),
- PIN(KB_COL6_PQ6, KBC, RSVD2, SPI2, UARTD),
- PIN(KB_COL7_PQ7, KBC, RSVD2, SPI2, UARTD),
- PIN(CLK_32K_OUT_PA0, BLINK, SOC, RSVD3, RSVD4),
- PIN_RESERVED,
- /* Offset 0x3324 */
- PIN(CORE_PWR_REQ, PWRON, RSVD2, RSVD3, RSVD4),
- PIN(CPU_PWR_REQ, CPU, RSVD2, RSVD3, RSVD4),
- PIN(PWR_INT_N, PMI, RSVD2, RSVD3, RSVD4),
- PIN(CLK_32K_IN, CLK, RSVD2, RSVD3, RSVD4),
- PIN(OWR, OWR, RSVD2, RSVD3, RSVD4),
- PIN(DAP1_FS_PN0, I2S0, HDA, GMI, RSVD4),
- PIN(DAP1_DIN_PN1, I2S0, HDA, GMI, RSVD4),
- PIN(DAP1_DOUT_PN2, I2S0, HDA, GMI, SATA),
- PIN(DAP1_SCLK_PN3, I2S0, HDA, GMI, RSVD4),
- PIN(DAP_MCLK1_REQ_PEE2, DAP, DAP1, SATA, RSVD4),
- PIN(DAP_MCLK1_PW4, EXTPERIPH1, DAP2, RSVD3, RSVD4),
- PIN(SPDIF_IN_PK6, SPDIF, RSVD2, RSVD3, I2C3),
- PIN(SPDIF_OUT_PK5, SPDIF, RSVD2, RSVD3, I2C3),
- PIN(DAP2_FS_PA2, I2S1, HDA, GMI, RSVD4),
- PIN(DAP2_DIN_PA4, I2S1, HDA, GMI, RSVD4),
- PIN(DAP2_DOUT_PA5, I2S1, HDA, GMI, RSVD4),
- PIN(DAP2_SCLK_PA3, I2S1, HDA, GMI, RSVD4),
- PIN(DVFS_PWM_PX0, SPI6, CLDVFS, GMI, RSVD4),
- PIN(GPIO_X1_AUD_PX1, SPI6, RSVD2, GMI, RSVD4),
- PIN(GPIO_X3_AUD_PX3, SPI6, SPI1, GMI, RSVD4),
- PIN(DVFS_CLK_PX2, SPI6, CLDVFS, GMI, RSVD4),
- PIN(GPIO_X4_AUD_PX4, GMI, SPI1, SPI2, DAP2),
- PIN(GPIO_X5_AUD_PX5, GMI, SPI1, SPI2, RSVD4),
- PIN(GPIO_X6_AUD_PX6, SPI6, SPI1, SPI2, GMI),
- PIN(GPIO_X7_AUD_PX7, RSVD1, SPI1, SPI2, RSVD4),
- PIN_RESERVED,
- PIN_RESERVED,
- /* Offset 0x3390 */
- PIN(SDMMC3_CLK_PA6, SDMMC3, RSVD2, RSVD3, SPI3),
- PIN(SDMMC3_CMD_PA7, SDMMC3, PWM3, UARTA, SPI3),
- PIN(SDMMC3_DAT0_PB7, SDMMC3, RSVD2, RSVD3, SPI3),
- PIN(SDMMC3_DAT1_PB6, SDMMC3, PWM2, UARTA, SPI3),
- PIN(SDMMC3_DAT2_PB5, SDMMC3, PWM1, DISPLAYA, SPI3),
- PIN(SDMMC3_DAT3_PB4, SDMMC3, PWM0, DISPLAYB, SPI3),
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- /* Offset 0x33bc */
- PIN(PEX_L0_RST_N_PDD1, PE0, RSVD2, RSVD3, RSVD4),
- PIN(PEX_L0_CLKREQ_N_PDD2, PE0, RSVD2, RSVD3, RSVD4),
- PIN(PEX_WAKE_N_PDD3, PE, RSVD2, RSVD3, RSVD4),
- PIN_RESERVED,
- /* Offset 0x33cc */
- PIN(PEX_L1_RST_N_PDD5, PE1, RSVD2, RSVD3, RSVD4),
- PIN(PEX_L1_CLKREQ_N_PDD6, PE1, RSVD2, RSVD3, RSVD4),
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- /* Offset 0x33e0 */
- PIN(HDMI_CEC_PEE3, CEC, RSVD2, RSVD3, RSVD4),
- PIN(SDMMC1_WP_N_PV3, SDMMC1, CLK12, SPI4, UARTA),
- PIN(SDMMC3_CD_N_PV2, SDMMC3, OWR, RSVD3, RSVD4),
- PIN(GPIO_W2_AUD_PW2, SPI6, RSVD2, SPI2, I2C1),
- PIN(GPIO_W3_AUD_PW3, SPI6, SPI1, SPI2, I2C1),
- PIN(USB_VBUS_EN0_PN4, USB, RSVD2, RSVD3, RSVD4),
- PIN(USB_VBUS_EN1_PN5, USB, RSVD2, RSVD3, RSVD4),
- PIN(SDMMC3_CLK_LB_IN_PEE5, SDMMC3, RSVD2, RSVD3, RSVD4),
- PIN(SDMMC3_CLK_LB_OUT_PEE4, SDMMC3, RSVD2, RSVD3, RSVD4),
- PIN(GMI_CLK_LB, SDMMC2, RSVD2, GMI, RSVD4),
- PIN(RESET_OUT_N, RSVD1, RSVD2, RSVD3, RESET_OUT_N),
- PIN(KB_ROW16_PT0, KBC, RSVD2, RSVD3, UARTC),
- PIN(KB_ROW17_PT1, KBC, RSVD2, RSVD3, UARTC),
- PIN(USB_VBUS_EN2_PFF1, USB, RSVD2, RSVD3, RSVD4),
- PIN(PFF2, SATA, RSVD2, RSVD3, RSVD4),
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- PIN_RESERVED,
- /* Offset 0x3430 */
- PIN(DP_HPD_PFF0, DP, RSVD2, RSVD3, RSVD4),
-};
-const struct pmux_pingrp_desc *tegra_soc_pingroups = tegra124_pingroups;
+++ /dev/null
-/*
- * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
- *
- * SPDX-License-Identifier: GPL-2.0
- */
-
-#define pr_fmt(fmt) "tegra-xusb-padctl: " fmt
-
-#include <common.h>
-#include <errno.h>
-#include <fdtdec.h>
-#include <malloc.h>
-
-#include <asm/io.h>
-
-#include <asm/arch/clock.h>
-#include <asm/arch-tegra/xusb-padctl.h>
-
-#include <dt-bindings/pinctrl/pinctrl-tegra-xusb.h>
-
-#define XUSB_PADCTL_ELPG_PROGRAM 0x01c
-#define XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_VCORE_DOWN (1 << 26)
-#define XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN_EARLY (1 << 25)
-#define XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN (1 << 24)
-
-#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1 0x040
-#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL0_LOCKDET (1 << 19)
-#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1_REFCLK_SEL_MASK (0xf << 12)
-#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL_RST (1 << 1)
-
-#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2 0x044
-#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2_REFCLKBUF_EN (1 << 6)
-#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_EN (1 << 5)
-#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_SEL (1 << 4)
-
-#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1 0x138
-#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_LOCKDET (1 << 27)
-#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_MODE (1 << 24)
-#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_PWR_OVRD (1 << 3)
-#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_RST (1 << 1)
-#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_IDDQ (1 << 0)
-
-#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1 0x148
-#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ_OVRD (1 << 1)
-#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ (1 << 0)
-
-enum tegra124_function {
- TEGRA124_FUNC_SNPS,
- TEGRA124_FUNC_XUSB,
- TEGRA124_FUNC_UART,
- TEGRA124_FUNC_PCIE,
- TEGRA124_FUNC_USB3,
- TEGRA124_FUNC_SATA,
- TEGRA124_FUNC_RSVD,
-};
-
-static const char *const tegra124_functions[] = {
- "snps",
- "xusb",
- "uart",
- "pcie",
- "usb3",
- "sata",
- "rsvd",
-};
-
-static const unsigned int tegra124_otg_functions[] = {
- TEGRA124_FUNC_SNPS,
- TEGRA124_FUNC_XUSB,
- TEGRA124_FUNC_UART,
- TEGRA124_FUNC_RSVD,
-};
-
-static const unsigned int tegra124_usb_functions[] = {
- TEGRA124_FUNC_SNPS,
- TEGRA124_FUNC_XUSB,
-};
-
-static const unsigned int tegra124_pci_functions[] = {
- TEGRA124_FUNC_PCIE,
- TEGRA124_FUNC_USB3,
- TEGRA124_FUNC_SATA,
- TEGRA124_FUNC_RSVD,
-};
-
-struct tegra_xusb_padctl_lane {
- const char *name;
-
- unsigned int offset;
- unsigned int shift;
- unsigned int mask;
- unsigned int iddq;
-
- const unsigned int *funcs;
- unsigned int num_funcs;
-};
-
-#define TEGRA124_LANE(_name, _offset, _shift, _mask, _iddq, _funcs) \
- { \
- .name = _name, \
- .offset = _offset, \
- .shift = _shift, \
- .mask = _mask, \
- .iddq = _iddq, \
- .num_funcs = ARRAY_SIZE(tegra124_##_funcs##_functions), \
- .funcs = tegra124_##_funcs##_functions, \
- }
-
-static const struct tegra_xusb_padctl_lane tegra124_lanes[] = {
- TEGRA124_LANE("otg-0", 0x004, 0, 0x3, 0, otg),
- TEGRA124_LANE("otg-1", 0x004, 2, 0x3, 0, otg),
- TEGRA124_LANE("otg-2", 0x004, 4, 0x3, 0, otg),
- TEGRA124_LANE("ulpi-0", 0x004, 12, 0x1, 0, usb),
- TEGRA124_LANE("hsic-0", 0x004, 14, 0x1, 0, usb),
- TEGRA124_LANE("hsic-1", 0x004, 15, 0x1, 0, usb),
- TEGRA124_LANE("pcie-0", 0x134, 16, 0x3, 1, pci),
- TEGRA124_LANE("pcie-1", 0x134, 18, 0x3, 2, pci),
- TEGRA124_LANE("pcie-2", 0x134, 20, 0x3, 3, pci),
- TEGRA124_LANE("pcie-3", 0x134, 22, 0x3, 4, pci),
- TEGRA124_LANE("pcie-4", 0x134, 24, 0x3, 5, pci),
- TEGRA124_LANE("sata-0", 0x134, 26, 0x3, 6, pci),
-};
-
-struct tegra_xusb_phy_ops {
- int (*prepare)(struct tegra_xusb_phy *phy);
- int (*enable)(struct tegra_xusb_phy *phy);
- int (*disable)(struct tegra_xusb_phy *phy);
- int (*unprepare)(struct tegra_xusb_phy *phy);
-};
-
-struct tegra_xusb_phy {
- const struct tegra_xusb_phy_ops *ops;
-
- struct tegra_xusb_padctl *padctl;
-};
-
-struct tegra_xusb_padctl_pin {
- const struct tegra_xusb_padctl_lane *lane;
-
- unsigned int func;
- int iddq;
-};
-
-#define MAX_GROUPS 3
-#define MAX_PINS 6
-
-struct tegra_xusb_padctl_group {
- const char *name;
-
- const char *pins[MAX_PINS];
- unsigned int num_pins;
-
- const char *func;
- int iddq;
-};
-
-struct tegra_xusb_padctl_config {
- const char *name;
-
- struct tegra_xusb_padctl_group groups[MAX_GROUPS];
- unsigned int num_groups;
-};
-
-struct tegra_xusb_padctl {
- struct fdt_resource regs;
-
- unsigned int enable;
-
- struct tegra_xusb_phy phys[2];
-
- const struct tegra_xusb_padctl_lane *lanes;
- unsigned int num_lanes;
-
- const char *const *functions;
- unsigned int num_functions;
-
- struct tegra_xusb_padctl_config config;
-};
-
-static inline u32 padctl_readl(struct tegra_xusb_padctl *padctl,
- unsigned long offset)
-{
- return readl(padctl->regs.start + offset);
-}
-
-static inline void padctl_writel(struct tegra_xusb_padctl *padctl,
- u32 value, unsigned long offset)
-{
- writel(value, padctl->regs.start + offset);
-}
-
-static int tegra_xusb_padctl_enable(struct tegra_xusb_padctl *padctl)
-{
- u32 value;
-
- if (padctl->enable++ > 0)
- return 0;
-
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
- value &= ~XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
-
- udelay(100);
-
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
- value &= ~XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN_EARLY;
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
-
- udelay(100);
-
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
- value &= ~XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_VCORE_DOWN;
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
-
- return 0;
-}
-
-static int tegra_xusb_padctl_disable(struct tegra_xusb_padctl *padctl)
-{
- u32 value;
-
- if (padctl->enable == 0) {
- error("tegra-xusb-padctl: unbalanced enable/disable");
- return 0;
- }
-
- if (--padctl->enable > 0)
- return 0;
-
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
- value |= XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_VCORE_DOWN;
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
-
- udelay(100);
-
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
- value |= XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN_EARLY;
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
-
- udelay(100);
-
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
- value |= XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
-
- return 0;
-}
-
-static int phy_prepare(struct tegra_xusb_phy *phy)
-{
- return tegra_xusb_padctl_enable(phy->padctl);
-}
-
-static int phy_unprepare(struct tegra_xusb_phy *phy)
-{
- return tegra_xusb_padctl_disable(phy->padctl);
-}
-
-static int pcie_phy_enable(struct tegra_xusb_phy *phy)
-{
- struct tegra_xusb_padctl *padctl = phy->padctl;
- int err = -ETIMEDOUT;
- unsigned long start;
- u32 value;
-
- value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
- value &= ~XUSB_PADCTL_IOPHY_PLL_P0_CTL1_REFCLK_SEL_MASK;
- padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
-
- value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL2);
- value |= XUSB_PADCTL_IOPHY_PLL_P0_CTL2_REFCLKBUF_EN |
- XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_EN |
- XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_SEL;
- padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL2);
-
- value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
- value |= XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL_RST;
- padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
-
- start = get_timer(0);
-
- while (get_timer(start) < 50) {
- value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
- if (value & XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL0_LOCKDET) {
- err = 0;
- break;
- }
- }
-
- return err;
-}
-
-static int pcie_phy_disable(struct tegra_xusb_phy *phy)
-{
- struct tegra_xusb_padctl *padctl = phy->padctl;
- u32 value;
-
- value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
- value &= ~XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL_RST;
- padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
-
- return 0;
-}
-
-static int sata_phy_enable(struct tegra_xusb_phy *phy)
-{
- struct tegra_xusb_padctl *padctl = phy->padctl;
- int err = -ETIMEDOUT;
- unsigned long start;
- u32 value;
-
- value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
- value &= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ_OVRD;
- value &= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ;
- padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
-
- value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
- value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_PWR_OVRD;
- value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_IDDQ;
- padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
-
- value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
- value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_MODE;
- padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
-
- value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
- value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_RST;
- padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
-
- start = get_timer(0);
-
- while (get_timer(start) < 50) {
- value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
- if (value & XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_LOCKDET) {
- err = 0;
- break;
- }
- }
-
- return err;
-}
-
-static int sata_phy_disable(struct tegra_xusb_phy *phy)
-{
- struct tegra_xusb_padctl *padctl = phy->padctl;
- u32 value;
-
- value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
- value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_RST;
- padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
-
- value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
- value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_MODE;
- padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
-
- value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
- value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_PWR_OVRD;
- value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_IDDQ;
- padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
-
- value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
- value |= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ_OVRD;
- value |= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ;
- padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
-
- return 0;
-}
-
-static const struct tegra_xusb_phy_ops pcie_phy_ops = {
- .prepare = phy_prepare,
- .enable = pcie_phy_enable,
- .disable = pcie_phy_disable,
- .unprepare = phy_unprepare,
-};
-
-static const struct tegra_xusb_phy_ops sata_phy_ops = {
- .prepare = phy_prepare,
- .enable = sata_phy_enable,
- .disable = sata_phy_disable,
- .unprepare = phy_unprepare,
-};
-
-static struct tegra_xusb_padctl *padctl = &(struct tegra_xusb_padctl) {
- .phys = {
- [0] = {
- .ops = &pcie_phy_ops,
- },
- [1] = {
- .ops = &sata_phy_ops,
- },
- },
-};
-
-static const struct tegra_xusb_padctl_lane *
-tegra_xusb_padctl_find_lane(struct tegra_xusb_padctl *padctl, const char *name)
-{
- unsigned int i;
-
- for (i = 0; i < padctl->num_lanes; i++)
- if (strcmp(name, padctl->lanes[i].name) == 0)
- return &padctl->lanes[i];
-
- return NULL;
-}
-
-static int
-tegra_xusb_padctl_group_parse_dt(struct tegra_xusb_padctl *padctl,
- struct tegra_xusb_padctl_group *group,
- const void *fdt, int node)
-{
- unsigned int i;
- int len, err;
-
- group->name = fdt_get_name(fdt, node, &len);
-
- len = fdt_count_strings(fdt, node, "nvidia,lanes");
- if (len < 0) {
- error("tegra-xusb-padctl: failed to parse \"nvidia,lanes\" property");
- return -EINVAL;
- }
-
- group->num_pins = len;
-
- for (i = 0; i < group->num_pins; i++) {
- err = fdt_get_string_index(fdt, node, "nvidia,lanes", i,
- &group->pins[i]);
- if (err < 0) {
- error("tegra-xusb-padctl: failed to read string from \"nvidia,lanes\" property");
- return -EINVAL;
- }
- }
-
- group->num_pins = len;
-
- err = fdt_get_string(fdt, node, "nvidia,function", &group->func);
- if (err < 0) {
- error("tegra-xusb-padctl: failed to parse \"nvidia,func\" property");
- return -EINVAL;
- }
-
- group->iddq = fdtdec_get_int(fdt, node, "nvidia,iddq", -1);
-
- return 0;
-}
-
-static int tegra_xusb_padctl_find_function(struct tegra_xusb_padctl *padctl,
- const char *name)
-{
- unsigned int i;
-
- for (i = 0; i < padctl->num_functions; i++)
- if (strcmp(name, padctl->functions[i]) == 0)
- return i;
-
- return -ENOENT;
-}
-
-static int
-tegra_xusb_padctl_lane_find_function(struct tegra_xusb_padctl *padctl,
- const struct tegra_xusb_padctl_lane *lane,
- const char *name)
-{
- unsigned int i;
- int func;
-
- func = tegra_xusb_padctl_find_function(padctl, name);
- if (func < 0)
- return func;
-
- for (i = 0; i < lane->num_funcs; i++)
- if (lane->funcs[i] == func)
- return i;
-
- return -ENOENT;
-}
-
-static int
-tegra_xusb_padctl_group_apply(struct tegra_xusb_padctl *padctl,
- const struct tegra_xusb_padctl_group *group)
-{
- unsigned int i;
-
- for (i = 0; i < group->num_pins; i++) {
- const struct tegra_xusb_padctl_lane *lane;
- unsigned int func;
- u32 value;
-
- lane = tegra_xusb_padctl_find_lane(padctl, group->pins[i]);
- if (!lane) {
- error("tegra-xusb-padctl: no lane for pin %s",
- group->pins[i]);
- continue;
- }
-
- func = tegra_xusb_padctl_lane_find_function(padctl, lane,
- group->func);
- if (func < 0) {
- error("tegra-xusb-padctl: function %s invalid for lane %s: %d",
- group->func, lane->name, func);
- continue;
- }
-
- value = padctl_readl(padctl, lane->offset);
-
- /* set pin function */
- value &= ~(lane->mask << lane->shift);
- value |= func << lane->shift;
-
- /*
- * Set IDDQ if supported on the lane and specified in the
- * configuration.
- */
- if (lane->iddq > 0 && group->iddq >= 0) {
- if (group->iddq != 0)
- value &= ~(1 << lane->iddq);
- else
- value |= 1 << lane->iddq;
- }
-
- padctl_writel(padctl, value, lane->offset);
- }
-
- return 0;
-}
-
-static int
-tegra_xusb_padctl_config_apply(struct tegra_xusb_padctl *padctl,
- struct tegra_xusb_padctl_config *config)
-{
- unsigned int i;
-
- for (i = 0; i < config->num_groups; i++) {
- const struct tegra_xusb_padctl_group *group;
- int err;
-
- group = &config->groups[i];
-
- err = tegra_xusb_padctl_group_apply(padctl, group);
- if (err < 0) {
- error("tegra-xusb-padctl: failed to apply group %s: %d",
- group->name, err);
- continue;
- }
- }
-
- return 0;
-}
-
-static int
-tegra_xusb_padctl_config_parse_dt(struct tegra_xusb_padctl *padctl,
- struct tegra_xusb_padctl_config *config,
- const void *fdt, int node)
-{
- int subnode;
-
- config->name = fdt_get_name(fdt, node, NULL);
-
- fdt_for_each_subnode(fdt, subnode, node) {
- struct tegra_xusb_padctl_group *group;
- int err;
-
- group = &config->groups[config->num_groups];
-
- err = tegra_xusb_padctl_group_parse_dt(padctl, group, fdt,
- subnode);
- if (err < 0) {
- error("tegra-xusb-padctl: failed to parse group %s",
- group->name);
- return err;
- }
-
- config->num_groups++;
- }
-
- return 0;
-}
-
-static int tegra_xusb_padctl_parse_dt(struct tegra_xusb_padctl *padctl,
- const void *fdt, int node)
-{
- int subnode, err;
-
- err = fdt_get_resource(fdt, node, "reg", 0, &padctl->regs);
- if (err < 0) {
- error("tegra-xusb-padctl: registers not found");
- return err;
- }
-
- fdt_for_each_subnode(fdt, subnode, node) {
- struct tegra_xusb_padctl_config *config = &padctl->config;
-
- err = tegra_xusb_padctl_config_parse_dt(padctl, config, fdt,
- subnode);
- if (err < 0) {
- error("tegra-xusb-padctl: failed to parse entry %s: %d",
- config->name, err);
- continue;
- }
- }
-
- return 0;
-}
-
-static int process_nodes(const void *fdt, int nodes[], unsigned int count)
-{
- unsigned int i;
-
- for (i = 0; i < count; i++) {
- enum fdt_compat_id id;
- int err;
-
- if (!fdtdec_get_is_enabled(fdt, nodes[i]))
- continue;
-
- id = fdtdec_lookup(fdt, nodes[i]);
- switch (id) {
- case COMPAT_NVIDIA_TEGRA124_XUSB_PADCTL:
- break;
-
- default:
- error("tegra-xusb-padctl: unsupported compatible: %s",
- fdtdec_get_compatible(id));
- continue;
- }
-
- padctl->num_lanes = ARRAY_SIZE(tegra124_lanes);
- padctl->lanes = tegra124_lanes;
-
- padctl->num_functions = ARRAY_SIZE(tegra124_functions);
- padctl->functions = tegra124_functions;
-
- err = tegra_xusb_padctl_parse_dt(padctl, fdt, nodes[i]);
- if (err < 0) {
- error("tegra-xusb-padctl: failed to parse DT: %d",
- err);
- continue;
- }
-
- /* deassert XUSB padctl reset */
- reset_set_enable(PERIPH_ID_XUSB_PADCTL, 0);
-
- err = tegra_xusb_padctl_config_apply(padctl, &padctl->config);
- if (err < 0) {
- error("tegra-xusb-padctl: failed to apply pinmux: %d",
- err);
- continue;
- }
-
- /* only a single instance is supported */
- break;
- }
-
- return 0;
-}
-
-struct tegra_xusb_phy *tegra_xusb_phy_get(unsigned int type)
-{
- struct tegra_xusb_phy *phy = NULL;
-
- switch (type) {
- case TEGRA_XUSB_PADCTL_PCIE:
- phy = &padctl->phys[0];
- phy->padctl = padctl;
- break;
-
- case TEGRA_XUSB_PADCTL_SATA:
- phy = &padctl->phys[1];
- phy->padctl = padctl;
- break;
- }
-
- return phy;
-}
-
-int tegra_xusb_phy_prepare(struct tegra_xusb_phy *phy)
-{
- if (phy && phy->ops && phy->ops->prepare)
- return phy->ops->prepare(phy);
-
- return phy ? -ENOSYS : -EINVAL;
-}
-
-int tegra_xusb_phy_enable(struct tegra_xusb_phy *phy)
-{
- if (phy && phy->ops && phy->ops->enable)
- return phy->ops->enable(phy);
-
- return phy ? -ENOSYS : -EINVAL;
-}
-
-int tegra_xusb_phy_disable(struct tegra_xusb_phy *phy)
-{
- if (phy && phy->ops && phy->ops->disable)
- return phy->ops->disable(phy);
-
- return phy ? -ENOSYS : -EINVAL;
-}
-
-int tegra_xusb_phy_unprepare(struct tegra_xusb_phy *phy)
-{
- if (phy && phy->ops && phy->ops->unprepare)
- return phy->ops->unprepare(phy);
-
- return phy ? -ENOSYS : -EINVAL;
-}
-
-void tegra_xusb_padctl_init(const void *fdt)
-{
- int count, nodes[1];
-
- count = fdtdec_find_aliases_for_id(fdt, "padctl",
- COMPAT_NVIDIA_TEGRA124_XUSB_PADCTL,
- nodes, ARRAY_SIZE(nodes));
- if (process_nodes(fdt, nodes, count))
- return;
-}
+++ /dev/null
-#
-# (C) Copyright 2010,2011 Nvidia Corporation.
-#
-# (C) Copyright 2000-2008
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-# The AVP is ARMv4T architecture so we must use special compiler
-# flags for any startup files it might use.
-CFLAGS_warmboot_avp.o += -march=armv4t
-
-obj-y += clock.o funcmux.o pinmux.o
-obj-$(CONFIG_TEGRA_LP0) += warmboot.o crypto.o warmboot_avp.o
-obj-$(CONFIG_TEGRA_CLOCK_SCALING) += emc.o
-obj-$(CONFIG_TEGRA_PMU) += pmu.o
+++ /dev/null
-/*
- * Copyright (c) 2011 The Chromium OS Authors.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/* Tegra20 Clock control functions */
-
-#include <common.h>
-#include <errno.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/clk_rst.h>
-#include <asm/arch-tegra/timer.h>
-#include <div64.h>
-#include <fdtdec.h>
-
-/*
- * Clock types that we can use as a source. The Tegra20 has muxes for the
- * peripheral clocks, and in most cases there are four options for the clock
- * source. This gives us a clock 'type' and exploits what commonality exists
- * in the device.
- *
- * Letters are obvious, except for T which means CLK_M, and S which means the
- * clock derived from 32KHz. Beware that CLK_M (also called OSC in the
- * datasheet) and PLL_M are different things. The former is the basic
- * clock supplied to the SOC from an external oscillator. The latter is the
- * memory clock PLL.
- *
- * See definitions in clock_id in the header file.
- */
-enum clock_type_id {
- CLOCK_TYPE_AXPT, /* PLL_A, PLL_X, PLL_P, CLK_M */
- CLOCK_TYPE_MCPA, /* and so on */
- CLOCK_TYPE_MCPT,
- CLOCK_TYPE_PCM,
- CLOCK_TYPE_PCMT,
- CLOCK_TYPE_PCMT16, /* CLOCK_TYPE_PCMT with 16-bit divider */
- CLOCK_TYPE_PCXTS,
- CLOCK_TYPE_PDCT,
-
- CLOCK_TYPE_COUNT,
- CLOCK_TYPE_NONE = -1, /* invalid clock type */
-};
-
-enum {
- CLOCK_MAX_MUX = 4 /* number of source options for each clock */
-};
-
-/*
- * Clock source mux for each clock type. This just converts our enum into
- * a list of mux sources for use by the code. Note that CLOCK_TYPE_PCXTS
- * is special as it has 5 sources. Since it also has a different number of
- * bits in its register for the source, we just handle it with a special
- * case in the code.
- */
-#define CLK(x) CLOCK_ID_ ## x
-static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX] = {
- { CLK(AUDIO), CLK(XCPU), CLK(PERIPH), CLK(OSC) },
- { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(AUDIO) },
- { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC) },
- { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(NONE) },
- { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC) },
- { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC) },
- { CLK(PERIPH), CLK(CGENERAL), CLK(XCPU), CLK(OSC) },
- { CLK(PERIPH), CLK(DISPLAY), CLK(CGENERAL), CLK(OSC) },
-};
-
-/*
- * Clock peripheral IDs which sadly don't match up with PERIPH_ID. This is
- * not in the header file since it is for purely internal use - we want
- * callers to use the PERIPH_ID for all access to peripheral clocks to avoid
- * confusion bewteen PERIPH_ID_... and PERIPHC_...
- *
- * We don't call this CLOCK_PERIPH_ID or PERIPH_CLOCK_ID as it would just be
- * confusing.
- *
- * Note to SOC vendors: perhaps define a unified numbering for peripherals and
- * use it for reset, clock enable, clock source/divider and even pinmuxing
- * if you can.
- */
-enum periphc_internal_id {
- /* 0x00 */
- PERIPHC_I2S1,
- PERIPHC_I2S2,
- PERIPHC_SPDIF_OUT,
- PERIPHC_SPDIF_IN,
- PERIPHC_PWM,
- PERIPHC_SPI1,
- PERIPHC_SPI2,
- PERIPHC_SPI3,
-
- /* 0x08 */
- PERIPHC_XIO,
- PERIPHC_I2C1,
- PERIPHC_DVC_I2C,
- PERIPHC_TWC,
- PERIPHC_0c,
- PERIPHC_10, /* PERIPHC_SPI1, what is this really? */
- PERIPHC_DISP1,
- PERIPHC_DISP2,
-
- /* 0x10 */
- PERIPHC_CVE,
- PERIPHC_IDE0,
- PERIPHC_VI,
- PERIPHC_1c,
- PERIPHC_SDMMC1,
- PERIPHC_SDMMC2,
- PERIPHC_G3D,
- PERIPHC_G2D,
-
- /* 0x18 */
- PERIPHC_NDFLASH,
- PERIPHC_SDMMC4,
- PERIPHC_VFIR,
- PERIPHC_EPP,
- PERIPHC_MPE,
- PERIPHC_MIPI,
- PERIPHC_UART1,
- PERIPHC_UART2,
-
- /* 0x20 */
- PERIPHC_HOST1X,
- PERIPHC_21,
- PERIPHC_TVO,
- PERIPHC_HDMI,
- PERIPHC_24,
- PERIPHC_TVDAC,
- PERIPHC_I2C2,
- PERIPHC_EMC,
-
- /* 0x28 */
- PERIPHC_UART3,
- PERIPHC_29,
- PERIPHC_VI_SENSOR,
- PERIPHC_2b,
- PERIPHC_2c,
- PERIPHC_SPI4,
- PERIPHC_I2C3,
- PERIPHC_SDMMC3,
-
- /* 0x30 */
- PERIPHC_UART4,
- PERIPHC_UART5,
- PERIPHC_VDE,
- PERIPHC_OWR,
- PERIPHC_NOR,
- PERIPHC_CSITE,
-
- PERIPHC_COUNT,
-
- PERIPHC_NONE = -1,
-};
-
-/*
- * Clock type for each peripheral clock source. We put the name in each
- * record just so it is easy to match things up
- */
-#define TYPE(name, type) type
-static enum clock_type_id clock_periph_type[PERIPHC_COUNT] = {
- /* 0x00 */
- TYPE(PERIPHC_I2S1, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_I2S2, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_SPDIF_OUT, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_SPDIF_IN, CLOCK_TYPE_PCM),
- TYPE(PERIPHC_PWM, CLOCK_TYPE_PCXTS),
- TYPE(PERIPHC_SPI1, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_SPI22, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_SPI3, CLOCK_TYPE_PCMT),
-
- /* 0x08 */
- TYPE(PERIPHC_XIO, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_I2C1, CLOCK_TYPE_PCMT16),
- TYPE(PERIPHC_DVC_I2C, CLOCK_TYPE_PCMT16),
- TYPE(PERIPHC_TWC, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SPI1, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_DISP1, CLOCK_TYPE_PDCT),
- TYPE(PERIPHC_DISP2, CLOCK_TYPE_PDCT),
-
- /* 0x10 */
- TYPE(PERIPHC_CVE, CLOCK_TYPE_PDCT),
- TYPE(PERIPHC_IDE0, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SDMMC1, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_SDMMC2, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_G3D, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_G2D, CLOCK_TYPE_MCPA),
-
- /* 0x18 */
- TYPE(PERIPHC_NDFLASH, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_SDMMC4, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_VFIR, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_EPP, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_MPE, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_MIPI, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_UART1, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_UART2, CLOCK_TYPE_PCMT),
-
- /* 0x20 */
- TYPE(PERIPHC_HOST1X, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_TVO, CLOCK_TYPE_PDCT),
- TYPE(PERIPHC_HDMI, CLOCK_TYPE_PDCT),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_TVDAC, CLOCK_TYPE_PDCT),
- TYPE(PERIPHC_I2C2, CLOCK_TYPE_PCMT16),
- TYPE(PERIPHC_EMC, CLOCK_TYPE_MCPT),
-
- /* 0x28 */
- TYPE(PERIPHC_UART3, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SPI4, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_I2C3, CLOCK_TYPE_PCMT16),
- TYPE(PERIPHC_SDMMC3, CLOCK_TYPE_PCMT),
-
- /* 0x30 */
- TYPE(PERIPHC_UART4, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_UART5, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_VDE, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_OWR, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_NOR, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_CSITE, CLOCK_TYPE_PCMT),
-};
-
-/*
- * This array translates a periph_id to a periphc_internal_id
- *
- * Not present/matched up:
- * uint vi_sensor; _VI_SENSOR_0, 0x1A8
- * SPDIF - which is both 0x08 and 0x0c
- *
- */
-#define NONE(name) (-1)
-#define OFFSET(name, value) PERIPHC_ ## name
-static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = {
- /* Low word: 31:0 */
- NONE(CPU),
- NONE(RESERVED1),
- NONE(RESERVED2),
- NONE(AC97),
- NONE(RTC),
- NONE(TMR),
- PERIPHC_UART1,
- PERIPHC_UART2, /* and vfir 0x68 */
-
- /* 0x08 */
- NONE(GPIO),
- PERIPHC_SDMMC2,
- NONE(SPDIF), /* 0x08 and 0x0c, unclear which to use */
- PERIPHC_I2S1,
- PERIPHC_I2C1,
- PERIPHC_NDFLASH,
- PERIPHC_SDMMC1,
- PERIPHC_SDMMC4,
-
- /* 0x10 */
- PERIPHC_TWC,
- PERIPHC_PWM,
- PERIPHC_I2S2,
- PERIPHC_EPP,
- PERIPHC_VI,
- PERIPHC_G2D,
- NONE(USBD),
- NONE(ISP),
-
- /* 0x18 */
- PERIPHC_G3D,
- PERIPHC_IDE0,
- PERIPHC_DISP2,
- PERIPHC_DISP1,
- PERIPHC_HOST1X,
- NONE(VCP),
- NONE(RESERVED30),
- NONE(CACHE2),
-
- /* Middle word: 63:32 */
- NONE(MEM),
- NONE(AHBDMA),
- NONE(APBDMA),
- NONE(RESERVED35),
- NONE(KBC),
- NONE(STAT_MON),
- NONE(PMC),
- NONE(FUSE),
-
- /* 0x28 */
- NONE(KFUSE),
- NONE(SBC1), /* SBC1, 0x34, is this SPI1? */
- PERIPHC_NOR,
- PERIPHC_SPI1,
- PERIPHC_SPI2,
- PERIPHC_XIO,
- PERIPHC_SPI3,
- PERIPHC_DVC_I2C,
-
- /* 0x30 */
- NONE(DSI),
- PERIPHC_TVO, /* also CVE 0x40 */
- PERIPHC_MIPI,
- PERIPHC_HDMI,
- PERIPHC_CSITE,
- PERIPHC_TVDAC,
- PERIPHC_I2C2,
- PERIPHC_UART3,
-
- /* 0x38 */
- NONE(RESERVED56),
- PERIPHC_EMC,
- NONE(USB2),
- NONE(USB3),
- PERIPHC_MPE,
- PERIPHC_VDE,
- NONE(BSEA),
- NONE(BSEV),
-
- /* Upper word 95:64 */
- NONE(SPEEDO),
- PERIPHC_UART4,
- PERIPHC_UART5,
- PERIPHC_I2C3,
- PERIPHC_SPI4,
- PERIPHC_SDMMC3,
- NONE(PCIE),
- PERIPHC_OWR,
-
- /* 0x48 */
- NONE(AFI),
- NONE(CORESIGHT),
- NONE(PCIEXCLK),
- NONE(AVPUCQ),
- NONE(RESERVED76),
- NONE(RESERVED77),
- NONE(RESERVED78),
- NONE(RESERVED79),
-
- /* 0x50 */
- NONE(RESERVED80),
- NONE(RESERVED81),
- NONE(RESERVED82),
- NONE(RESERVED83),
- NONE(IRAMA),
- NONE(IRAMB),
- NONE(IRAMC),
- NONE(IRAMD),
-
- /* 0x58 */
- NONE(CRAM2),
-};
-
-/*
- * Get the oscillator frequency, from the corresponding hardware configuration
- * field. T20 has 4 frequencies that it supports.
- */
-enum clock_osc_freq clock_get_osc_freq(void)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 reg;
-
- reg = readl(&clkrst->crc_osc_ctrl);
- return (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
-}
-
-/* Returns a pointer to the clock source register for a peripheral */
-u32 *get_periph_source_reg(enum periph_id periph_id)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- enum periphc_internal_id internal_id;
-
- assert(clock_periph_id_isvalid(periph_id));
- internal_id = periph_id_to_internal_id[periph_id];
- assert(internal_id != -1);
- return &clkrst->crc_clk_src[internal_id];
-}
-
-/**
- * Given a peripheral ID and the required source clock, this returns which
- * value should be programmed into the source mux for that peripheral.
- *
- * There is special code here to handle the one source type with 5 sources.
- *
- * @param periph_id peripheral to start
- * @param source PLL id of required parent clock
- * @param mux_bits Set to number of bits in mux register: 2 or 4
- * @param divider_bits Set to number of divider bits (8 or 16)
- * @return mux value (0-4, or -1 if not found)
- */
-int get_periph_clock_source(enum periph_id periph_id,
- enum clock_id parent, int *mux_bits, int *divider_bits)
-{
- enum clock_type_id type;
- enum periphc_internal_id internal_id;
- int mux;
-
- assert(clock_periph_id_isvalid(periph_id));
-
- internal_id = periph_id_to_internal_id[periph_id];
- assert(periphc_internal_id_isvalid(internal_id));
-
- type = clock_periph_type[internal_id];
- assert(clock_type_id_isvalid(type));
-
- /*
- * Special cases here for the clock with a 4-bit source mux and I2C
- * with its 16-bit divisor
- */
- if (type == CLOCK_TYPE_PCXTS)
- *mux_bits = MASK_BITS_31_28;
- else
- *mux_bits = MASK_BITS_31_30;
- if (type == CLOCK_TYPE_PCMT16)
- *divider_bits = 16;
- else
- *divider_bits = 8;
-
- for (mux = 0; mux < CLOCK_MAX_MUX; mux++)
- if (clock_source[type][mux] == parent)
- return mux;
-
- /*
- * Not found: it might be looking for the 'S' in CLOCK_TYPE_PCXTS
- * which is not in our table. If not, then they are asking for a
- * source which this peripheral can't access through its mux.
- */
- assert(type == CLOCK_TYPE_PCXTS);
- assert(parent == CLOCK_ID_SFROM32KHZ);
- if (type == CLOCK_TYPE_PCXTS && parent == CLOCK_ID_SFROM32KHZ)
- return 4; /* mux value for this clock */
-
- /* if we get here, either us or the caller has made a mistake */
- printf("Caller requested bad clock: periph=%d, parent=%d\n", periph_id,
- parent);
- return -1;
-}
-
-void clock_set_enable(enum periph_id periph_id, int enable)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 *clk = &clkrst->crc_clk_out_enb[PERIPH_REG(periph_id)];
- u32 reg;
-
- /* Enable/disable the clock to this peripheral */
- assert(clock_periph_id_isvalid(periph_id));
- reg = readl(clk);
- if (enable)
- reg |= PERIPH_MASK(periph_id);
- else
- reg &= ~PERIPH_MASK(periph_id);
- writel(reg, clk);
-}
-
-void reset_set_enable(enum periph_id periph_id, int enable)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 *reset = &clkrst->crc_rst_dev[PERIPH_REG(periph_id)];
- u32 reg;
-
- /* Enable/disable reset to the peripheral */
- assert(clock_periph_id_isvalid(periph_id));
- reg = readl(reset);
- if (enable)
- reg |= PERIPH_MASK(periph_id);
- else
- reg &= ~PERIPH_MASK(periph_id);
- writel(reg, reset);
-}
-
-#ifdef CONFIG_OF_CONTROL
-/*
- * Convert a device tree clock ID to our peripheral ID. They are mostly
- * the same but we are very cautious so we check that a valid clock ID is
- * provided.
- *
- * @param clk_id Clock ID according to tegra20 device tree binding
- * @return peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid
- */
-enum periph_id clk_id_to_periph_id(int clk_id)
-{
- if (clk_id > PERIPH_ID_COUNT)
- return PERIPH_ID_NONE;
-
- switch (clk_id) {
- case PERIPH_ID_RESERVED1:
- case PERIPH_ID_RESERVED2:
- case PERIPH_ID_RESERVED30:
- case PERIPH_ID_RESERVED35:
- case PERIPH_ID_RESERVED56:
- case PERIPH_ID_PCIEXCLK:
- case PERIPH_ID_RESERVED76:
- case PERIPH_ID_RESERVED77:
- case PERIPH_ID_RESERVED78:
- case PERIPH_ID_RESERVED79:
- case PERIPH_ID_RESERVED80:
- case PERIPH_ID_RESERVED81:
- case PERIPH_ID_RESERVED82:
- case PERIPH_ID_RESERVED83:
- case PERIPH_ID_RESERVED91:
- return PERIPH_ID_NONE;
- default:
- return clk_id;
- }
-}
-#endif /* CONFIG_OF_CONTROL */
-
-void clock_early_init(void)
-{
- /*
- * PLLP output frequency set to 216MHz
- * PLLC output frequency set to 600Mhz
- *
- * TODO: Can we calculate these values instead of hard-coding?
- */
- switch (clock_get_osc_freq()) {
- case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */
- clock_set_rate(CLOCK_ID_PERIPH, 432, 12, 1, 8);
- clock_set_rate(CLOCK_ID_CGENERAL, 600, 12, 0, 8);
- break;
-
- case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */
- clock_set_rate(CLOCK_ID_PERIPH, 432, 26, 1, 8);
- clock_set_rate(CLOCK_ID_CGENERAL, 600, 26, 0, 8);
- break;
-
- case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */
- clock_set_rate(CLOCK_ID_PERIPH, 432, 13, 1, 8);
- clock_set_rate(CLOCK_ID_CGENERAL, 600, 13, 0, 8);
- break;
- case CLOCK_OSC_FREQ_19_2:
- default:
- /*
- * These are not supported. It is too early to print a
- * message and the UART likely won't work anyway due to the
- * oscillator being wrong.
- */
- break;
- }
-}
-
-void arch_timer_init(void)
-{
-}
-
-#define PMC_SATA_PWRGT 0x1ac
-#define PMC_SATA_PWRGT_PLLE_IDDQ_OVERRIDE (1 << 5)
-#define PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL (1 << 4)
-
-#define PLLE_SS_CNTL 0x68
-#define PLLE_SS_CNTL_SSCINCINTRV(x) (((x) & 0x3f) << 24)
-#define PLLE_SS_CNTL_SSCINC(x) (((x) & 0xff) << 16)
-#define PLLE_SS_CNTL_SSCBYP (1 << 12)
-#define PLLE_SS_CNTL_INTERP_RESET (1 << 11)
-#define PLLE_SS_CNTL_BYPASS_SS (1 << 10)
-#define PLLE_SS_CNTL_SSCMAX(x) (((x) & 0x1ff) << 0)
-
-#define PLLE_BASE 0x0e8
-#define PLLE_BASE_ENABLE_CML (1 << 31)
-#define PLLE_BASE_ENABLE (1 << 30)
-#define PLLE_BASE_PLDIV_CML(x) (((x) & 0xf) << 24)
-#define PLLE_BASE_PLDIV(x) (((x) & 0x3f) << 16)
-#define PLLE_BASE_NDIV(x) (((x) & 0xff) << 8)
-#define PLLE_BASE_MDIV(x) (((x) & 0xff) << 0)
-
-#define PLLE_MISC 0x0ec
-#define PLLE_MISC_SETUP_BASE(x) (((x) & 0xffff) << 16)
-#define PLLE_MISC_PLL_READY (1 << 15)
-#define PLLE_MISC_LOCK (1 << 11)
-#define PLLE_MISC_LOCK_ENABLE (1 << 9)
-#define PLLE_MISC_SETUP_EXT(x) (((x) & 0x3) << 2)
-
-static int tegra_plle_train(void)
-{
- unsigned int timeout = 2000;
- unsigned long value;
-
- value = readl(NV_PA_PMC_BASE + PMC_SATA_PWRGT);
- value |= PMC_SATA_PWRGT_PLLE_IDDQ_OVERRIDE;
- writel(value, NV_PA_PMC_BASE + PMC_SATA_PWRGT);
-
- value = readl(NV_PA_PMC_BASE + PMC_SATA_PWRGT);
- value |= PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL;
- writel(value, NV_PA_PMC_BASE + PMC_SATA_PWRGT);
-
- value = readl(NV_PA_PMC_BASE + PMC_SATA_PWRGT);
- value &= ~PMC_SATA_PWRGT_PLLE_IDDQ_OVERRIDE;
- writel(value, NV_PA_PMC_BASE + PMC_SATA_PWRGT);
-
- do {
- value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
- if (value & PLLE_MISC_PLL_READY)
- break;
-
- udelay(100);
- } while (--timeout);
-
- if (timeout == 0) {
- error("timeout waiting for PLLE to become ready");
- return -ETIMEDOUT;
- }
-
- return 0;
-}
-
-int tegra_plle_enable(void)
-{
- unsigned int timeout = 1000;
- u32 value;
- int err;
-
- /* disable PLLE clock */
- value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
- value &= ~PLLE_BASE_ENABLE_CML;
- value &= ~PLLE_BASE_ENABLE;
- writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
-
- /* clear lock enable and setup field */
- value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
- value &= ~PLLE_MISC_LOCK_ENABLE;
- value &= ~PLLE_MISC_SETUP_BASE(0xffff);
- value &= ~PLLE_MISC_SETUP_EXT(0x3);
- writel(value, NV_PA_CLK_RST_BASE + PLLE_MISC);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
- if ((value & PLLE_MISC_PLL_READY) == 0) {
- err = tegra_plle_train();
- if (err < 0) {
- error("failed to train PLLE: %d", err);
- return err;
- }
- }
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
- value |= PLLE_MISC_SETUP_BASE(0x7);
- value |= PLLE_MISC_LOCK_ENABLE;
- value |= PLLE_MISC_SETUP_EXT(0);
- writel(value, NV_PA_CLK_RST_BASE + PLLE_MISC);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
- value |= PLLE_SS_CNTL_SSCBYP | PLLE_SS_CNTL_INTERP_RESET |
- PLLE_SS_CNTL_BYPASS_SS;
- writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
- value |= PLLE_BASE_ENABLE_CML | PLLE_BASE_ENABLE;
- writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
-
- do {
- value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
- if (value & PLLE_MISC_LOCK)
- break;
-
- udelay(2);
- } while (--timeout);
-
- if (timeout == 0) {
- error("timeout waiting for PLLE to lock");
- return -ETIMEDOUT;
- }
-
- udelay(50);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
- value &= ~PLLE_SS_CNTL_SSCINCINTRV(0x3f);
- value |= PLLE_SS_CNTL_SSCINCINTRV(0x18);
-
- value &= ~PLLE_SS_CNTL_SSCINC(0xff);
- value |= PLLE_SS_CNTL_SSCINC(0x01);
-
- value &= ~PLLE_SS_CNTL_SSCBYP;
- value &= ~PLLE_SS_CNTL_INTERP_RESET;
- value &= ~PLLE_SS_CNTL_BYPASS_SS;
-
- value &= ~PLLE_SS_CNTL_SSCMAX(0x1ff);
- value |= PLLE_SS_CNTL_SSCMAX(0x24);
- writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
-
- return 0;
-}
+++ /dev/null
-/*
- * Copyright (c) 2011 The Chromium OS Authors.
- * (C) Copyright 2010 - 2011 NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/errno.h>
-#include "crypto.h"
-#include "aes.h"
-
-static u8 zero_key[16];
-
-#define AES_CMAC_CONST_RB 0x87 /* from RFC 4493, Figure 2.2 */
-
-enum security_op {
- SECURITY_SIGN = 1 << 0, /* Sign the data */
- SECURITY_ENCRYPT = 1 << 1, /* Encrypt the data */
-};
-
-/**
- * Shift a vector left by one bit
- *
- * \param in Input vector
- * \param out Output vector
- * \param size Length of vector in bytes
- */
-static void left_shift_vector(u8 *in, u8 *out, int size)
-{
- int carry = 0;
- int i;
-
- for (i = size - 1; i >= 0; i--) {
- out[i] = (in[i] << 1) | carry;
- carry = in[i] >> 7; /* get most significant bit */
- }
-}
-
-/**
- * Sign a block of data, putting the result into dst.
- *
- * \param key Input AES key, length AES_KEY_LENGTH
- * \param key_schedule Expanded key to use
- * \param src Source data of length 'num_aes_blocks' blocks
- * \param dst Destination buffer, length AES_KEY_LENGTH
- * \param num_aes_blocks Number of AES blocks to encrypt
- */
-static void sign_object(u8 *key, u8 *key_schedule, u8 *src, u8 *dst,
- u32 num_aes_blocks)
-{
- u8 tmp_data[AES_KEY_LENGTH];
- u8 left[AES_KEY_LENGTH];
- u8 k1[AES_KEY_LENGTH];
- u8 *cbc_chain_data;
- unsigned i;
-
- cbc_chain_data = zero_key; /* Convenient array of 0's for IV */
-
- /* compute K1 constant needed by AES-CMAC calculation */
- for (i = 0; i < AES_KEY_LENGTH; i++)
- tmp_data[i] = 0;
-
- aes_cbc_encrypt_blocks(key_schedule, tmp_data, left, 1);
-
- left_shift_vector(left, k1, sizeof(left));
-
- if ((left[0] >> 7) != 0) /* get MSB of L */
- k1[AES_KEY_LENGTH-1] ^= AES_CMAC_CONST_RB;
-
- /* compute the AES-CMAC value */
- for (i = 0; i < num_aes_blocks; i++) {
- /* Apply the chain data */
- aes_apply_cbc_chain_data(cbc_chain_data, src, tmp_data);
-
- /* for the final block, XOR K1 into the IV */
- if (i == num_aes_blocks - 1)
- aes_apply_cbc_chain_data(tmp_data, k1, tmp_data);
-
- /* encrypt the AES block */
- aes_encrypt(tmp_data, key_schedule, dst);
-
- debug("sign_obj: block %d of %d\n", i, num_aes_blocks);
-
- /* Update pointers for next loop. */
- cbc_chain_data = dst;
- src += AES_KEY_LENGTH;
- }
-}
-
-/**
- * Encrypt and sign a block of data (depending on security mode).
- *
- * \param key Input AES key, length AES_KEY_LENGTH
- * \param oper Security operations mask to perform (enum security_op)
- * \param src Source data
- * \param length Size of source data
- * \param sig_dst Destination address for signature, AES_KEY_LENGTH bytes
- */
-static int encrypt_and_sign(u8 *key, enum security_op oper, u8 *src,
- u32 length, u8 *sig_dst)
-{
- u32 num_aes_blocks;
- u8 key_schedule[AES_EXPAND_KEY_LENGTH];
-
- debug("encrypt_and_sign: length = %d\n", length);
-
- /*
- * The only need for a key is for signing/checksum purposes, so
- * if not encrypting, expand a key of 0s.
- */
- aes_expand_key(oper & SECURITY_ENCRYPT ? key : zero_key, key_schedule);
-
- num_aes_blocks = (length + AES_KEY_LENGTH - 1) / AES_KEY_LENGTH;
-
- if (oper & SECURITY_ENCRYPT) {
- /* Perform this in place, resulting in src being encrypted. */
- debug("encrypt_and_sign: begin encryption\n");
- aes_cbc_encrypt_blocks(key_schedule, src, src, num_aes_blocks);
- debug("encrypt_and_sign: end encryption\n");
- }
-
- if (oper & SECURITY_SIGN) {
- /* encrypt the data, overwriting the result in signature. */
- debug("encrypt_and_sign: begin signing\n");
- sign_object(key, key_schedule, src, sig_dst, num_aes_blocks);
- debug("encrypt_and_sign: end signing\n");
- }
-
- return 0;
-}
-
-int sign_data_block(u8 *source, unsigned length, u8 *signature)
-{
- return encrypt_and_sign(zero_key, SECURITY_SIGN, source,
- length, signature);
-}
+++ /dev/null
-/*
- * Copyright (c) 2011 The Chromium OS Authors.
- * (C) Copyright 2010 - 2011 NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#ifndef _CRYPTO_H_
-#define _CRYPTO_H_
-
-/**
- * Sign a block of data
- *
- * \param source Source data
- * \param length Size of source data
- * \param signature Destination address for signature, AES_KEY_LENGTH bytes
- */
-int sign_data_block(u8 *source, unsigned length, u8 *signature);
-
-#endif /* #ifndef _CRYPTO_H_ */
+++ /dev/null
-/*
- * Copyright (c) 2011 The Chromium OS Authors.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <fdtdec.h>
-#include <asm/io.h>
-#include <asm/arch-tegra/ap.h>
-#include <asm/arch-tegra/apb_misc.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/emc.h>
-#include <asm/arch/tegra.h>
-
-/*
- * The EMC registers have shadow registers. When the EMC clock is updated
- * in the clock controller, the shadow registers are copied to the active
- * registers, allowing glitchless memory bus frequency changes.
- * This function updates the shadow registers for a new clock frequency,
- * and relies on the clock lock on the emc clock to avoid races between
- * multiple frequency changes
- */
-
-/*
- * This table defines the ordering of the registers provided to
- * tegra_set_mmc()
- * TODO: Convert to fdt version once available
- */
-static const unsigned long emc_reg_addr[TEGRA_EMC_NUM_REGS] = {
- 0x2c, /* RC */
- 0x30, /* RFC */
- 0x34, /* RAS */
- 0x38, /* RP */
- 0x3c, /* R2W */
- 0x40, /* W2R */
- 0x44, /* R2P */
- 0x48, /* W2P */
- 0x4c, /* RD_RCD */
- 0x50, /* WR_RCD */
- 0x54, /* RRD */
- 0x58, /* REXT */
- 0x5c, /* WDV */
- 0x60, /* QUSE */
- 0x64, /* QRST */
- 0x68, /* QSAFE */
- 0x6c, /* RDV */
- 0x70, /* REFRESH */
- 0x74, /* BURST_REFRESH_NUM */
- 0x78, /* PDEX2WR */
- 0x7c, /* PDEX2RD */
- 0x80, /* PCHG2PDEN */
- 0x84, /* ACT2PDEN */
- 0x88, /* AR2PDEN */
- 0x8c, /* RW2PDEN */
- 0x90, /* TXSR */
- 0x94, /* TCKE */
- 0x98, /* TFAW */
- 0x9c, /* TRPAB */
- 0xa0, /* TCLKSTABLE */
- 0xa4, /* TCLKSTOP */
- 0xa8, /* TREFBW */
- 0xac, /* QUSE_EXTRA */
- 0x114, /* FBIO_CFG6 */
- 0xb0, /* ODT_WRITE */
- 0xb4, /* ODT_READ */
- 0x104, /* FBIO_CFG5 */
- 0x2bc, /* CFG_DIG_DLL */
- 0x2c0, /* DLL_XFORM_DQS */
- 0x2c4, /* DLL_XFORM_QUSE */
- 0x2e0, /* ZCAL_REF_CNT */
- 0x2e4, /* ZCAL_WAIT_CNT */
- 0x2a8, /* AUTO_CAL_INTERVAL */
- 0x2d0, /* CFG_CLKTRIM_0 */
- 0x2d4, /* CFG_CLKTRIM_1 */
- 0x2d8, /* CFG_CLKTRIM_2 */
-};
-
-struct emc_ctlr *emc_get_controller(const void *blob)
-{
- fdt_addr_t addr;
- int node;
-
- node = fdtdec_next_compatible(blob, 0, COMPAT_NVIDIA_TEGRA20_EMC);
- if (node > 0) {
- addr = fdtdec_get_addr(blob, node, "reg");
- if (addr != FDT_ADDR_T_NONE)
- return (struct emc_ctlr *)addr;
- }
- return NULL;
-}
-
-/* Error codes we use */
-enum {
- ERR_NO_EMC_NODE = -10,
- ERR_NO_EMC_REG,
- ERR_NO_FREQ,
- ERR_FREQ_NOT_FOUND,
- ERR_BAD_REGS,
- ERR_NO_RAM_CODE,
- ERR_RAM_CODE_NOT_FOUND,
-};
-
-/**
- * Find EMC tables for the given ram code.
- *
- * The tegra EMC binding has two options, one using the ram code and one not.
- * We detect which is in use by looking for the nvidia,use-ram-code property.
- * If this is not present, then the EMC tables are directly below 'node',
- * otherwise we select the correct emc-tables subnode based on the 'ram_code'
- * value.
- *
- * @param blob Device tree blob
- * @param node EMC node (nvidia,tegra20-emc compatible string)
- * @param ram_code RAM code to select (0-3, or -1 if unknown)
- * @return 0 if ok, otherwise a -ve ERR_ code (see enum above)
- */
-static int find_emc_tables(const void *blob, int node, int ram_code)
-{
- int need_ram_code;
- int depth;
- int offset;
-
- /* If we are using RAM codes, scan through the tables for our code */
- need_ram_code = fdtdec_get_bool(blob, node, "nvidia,use-ram-code");
- if (!need_ram_code)
- return node;
- if (ram_code == -1) {
- debug("%s: RAM code required but not supplied\n", __func__);
- return ERR_NO_RAM_CODE;
- }
-
- offset = node;
- depth = 0;
- do {
- /*
- * Sadly there is no compatible string so we cannot use
- * fdtdec_next_compatible_subnode().
- */
- offset = fdt_next_node(blob, offset, &depth);
- if (depth <= 0)
- break;
-
- /* Make sure this is a direct subnode */
- if (depth != 1)
- continue;
- if (strcmp("emc-tables", fdt_get_name(blob, offset, NULL)))
- continue;
-
- if (fdtdec_get_int(blob, offset, "nvidia,ram-code", -1)
- == ram_code)
- return offset;
- } while (1);
-
- debug("%s: Could not find tables for RAM code %d\n", __func__,
- ram_code);
- return ERR_RAM_CODE_NOT_FOUND;
-}
-
-/**
- * Decode the EMC node of the device tree, returning a pointer to the emc
- * controller and the table to be used for the given rate.
- *
- * @param blob Device tree blob
- * @param rate Clock speed of memory controller in Hz (=2x memory bus rate)
- * @param emcp Returns address of EMC controller registers
- * @param tablep Returns pointer to table to program into EMC. There are
- * TEGRA_EMC_NUM_REGS entries, destined for offsets as per the
- * emc_reg_addr array.
- * @return 0 if ok, otherwise a -ve error code which will allow someone to
- * figure out roughly what went wrong by looking at this code.
- */
-static int decode_emc(const void *blob, unsigned rate, struct emc_ctlr **emcp,
- const u32 **tablep)
-{
- struct apb_misc_pp_ctlr *pp =
- (struct apb_misc_pp_ctlr *)NV_PA_APB_MISC_BASE;
- int ram_code;
- int depth;
- int node;
-
- ram_code = (readl(&pp->strapping_opt_a) & RAM_CODE_MASK)
- >> RAM_CODE_SHIFT;
- /*
- * The EMC clock rate is twice the bus rate, and the bus rate is
- * measured in kHz
- */
- rate = rate / 2 / 1000;
-
- node = fdtdec_next_compatible(blob, 0, COMPAT_NVIDIA_TEGRA20_EMC);
- if (node < 0) {
- debug("%s: No EMC node found in FDT\n", __func__);
- return ERR_NO_EMC_NODE;
- }
- *emcp = (struct emc_ctlr *)fdtdec_get_addr(blob, node, "reg");
- if (*emcp == (struct emc_ctlr *)FDT_ADDR_T_NONE) {
- debug("%s: No EMC node reg property\n", __func__);
- return ERR_NO_EMC_REG;
- }
-
- /* Work out the parent node which contains our EMC tables */
- node = find_emc_tables(blob, node, ram_code & 3);
- if (node < 0)
- return node;
-
- depth = 0;
- for (;;) {
- int node_rate;
-
- node = fdtdec_next_compatible_subnode(blob, node,
- COMPAT_NVIDIA_TEGRA20_EMC_TABLE, &depth);
- if (node < 0)
- break;
- node_rate = fdtdec_get_int(blob, node, "clock-frequency", -1);
- if (node_rate == -1) {
- debug("%s: Missing clock-frequency\n", __func__);
- return ERR_NO_FREQ; /* we expect this property */
- }
-
- if (node_rate == rate)
- break;
- }
- if (node < 0) {
- debug("%s: No node found for clock frequency %d\n", __func__,
- rate);
- return ERR_FREQ_NOT_FOUND;
- }
-
- *tablep = fdtdec_locate_array(blob, node, "nvidia,emc-registers",
- TEGRA_EMC_NUM_REGS);
- if (!*tablep) {
- debug("%s: node '%s' array missing / wrong size\n", __func__,
- fdt_get_name(blob, node, NULL));
- return ERR_BAD_REGS;
- }
-
- /* All seems well */
- return 0;
-}
-
-int tegra_set_emc(const void *blob, unsigned rate)
-{
- struct emc_ctlr *emc;
- const u32 *table = NULL;
- int err, i;
-
- err = decode_emc(blob, rate, &emc, &table);
- if (err) {
- debug("Warning: no valid EMC (%d), memory timings unset\n",
- err);
- return err;
- }
-
- debug("%s: Table found, setting EMC values as follows:\n", __func__);
- for (i = 0; i < TEGRA_EMC_NUM_REGS; i++) {
- u32 value = fdt32_to_cpu(table[i]);
- u32 addr = (uintptr_t)emc + emc_reg_addr[i];
-
- debug(" %#x: %#x\n", addr, value);
- writel(value, addr);
- }
-
- /* trigger emc with new settings */
- clock_adjust_periph_pll_div(PERIPH_ID_EMC, CLOCK_ID_MEMORY,
- clock_get_rate(CLOCK_ID_MEMORY), NULL);
- debug("EMC clock set to %lu\n",
- clock_get_periph_rate(PERIPH_ID_EMC, CLOCK_ID_MEMORY));
-
- return 0;
-}
+++ /dev/null
-/*
- * Copyright (c) 2011 The Chromium OS Authors.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/* Tegra20 high-level function multiplexing */
-#include <common.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/funcmux.h>
-#include <asm/arch/pinmux.h>
-
-/*
- * The PINMUX macro is used to set up pinmux tables.
- */
-#define PINMUX(grp, mux, pupd, tri) \
- {PMUX_PINGRP_##grp, PMUX_FUNC_##mux, PMUX_PULL_##pupd, PMUX_TRI_##tri}
-
-static const struct pmux_pingrp_config disp1_default[] = {
- PINMUX(LDI, DISPA, NORMAL, NORMAL),
- PINMUX(LHP0, DISPA, NORMAL, NORMAL),
- PINMUX(LHP1, DISPA, NORMAL, NORMAL),
- PINMUX(LHP2, DISPA, NORMAL, NORMAL),
- PINMUX(LHS, DISPA, NORMAL, NORMAL),
- PINMUX(LM0, RSVD4, NORMAL, NORMAL),
- PINMUX(LPP, DISPA, NORMAL, NORMAL),
- PINMUX(LPW0, DISPA, NORMAL, NORMAL),
- PINMUX(LPW2, DISPA, NORMAL, NORMAL),
- PINMUX(LSC0, DISPA, NORMAL, NORMAL),
- PINMUX(LSPI, DISPA, NORMAL, NORMAL),
- PINMUX(LVP1, DISPA, NORMAL, NORMAL),
- PINMUX(LVS, DISPA, NORMAL, NORMAL),
- PINMUX(SLXD, SPDIF, NORMAL, NORMAL),
-};
-
-
-int funcmux_select(enum periph_id id, int config)
-{
- int bad_config = config != FUNCMUX_DEFAULT;
-
- switch (id) {
- case PERIPH_ID_UART1:
- switch (config) {
- case FUNCMUX_UART1_IRRX_IRTX:
- pinmux_set_func(PMUX_PINGRP_IRRX, PMUX_FUNC_UARTA);
- pinmux_set_func(PMUX_PINGRP_IRTX, PMUX_FUNC_UARTA);
- pinmux_tristate_disable(PMUX_PINGRP_IRRX);
- pinmux_tristate_disable(PMUX_PINGRP_IRTX);
- break;
- case FUNCMUX_UART1_UAA_UAB:
- pinmux_set_func(PMUX_PINGRP_UAA, PMUX_FUNC_UARTA);
- pinmux_set_func(PMUX_PINGRP_UAB, PMUX_FUNC_UARTA);
- pinmux_tristate_disable(PMUX_PINGRP_UAA);
- pinmux_tristate_disable(PMUX_PINGRP_UAB);
- bad_config = 0;
- break;
- case FUNCMUX_UART1_GPU:
- pinmux_set_func(PMUX_PINGRP_GPU, PMUX_FUNC_UARTA);
- pinmux_tristate_disable(PMUX_PINGRP_GPU);
- bad_config = 0;
- break;
- case FUNCMUX_UART1_SDIO1:
- pinmux_set_func(PMUX_PINGRP_SDIO1, PMUX_FUNC_UARTA);
- pinmux_tristate_disable(PMUX_PINGRP_SDIO1);
- bad_config = 0;
- break;
- }
- if (!bad_config) {
- /*
- * Tegra appears to boot with function UARTA pre-
- * selected on mux group SDB. If two mux groups are
- * both set to the same function, it's unclear which
- * group's pins drive the RX signals into the HW.
- * For UARTA, SDB certainly overrides group IRTX in
- * practice. To solve this, configure some alternative
- * function on SDB to avoid the conflict. Also, tri-
- * state the group to avoid driving any signal onto it
- * until we know what's connected.
- */
- pinmux_tristate_enable(PMUX_PINGRP_SDB);
- pinmux_set_func(PMUX_PINGRP_SDB, PMUX_FUNC_SDIO3);
- }
- break;
-
- case PERIPH_ID_UART2:
- if (config == FUNCMUX_UART2_UAD) {
- pinmux_set_func(PMUX_PINGRP_UAD, PMUX_FUNC_UARTB);
- pinmux_tristate_disable(PMUX_PINGRP_UAD);
- }
- break;
-
- case PERIPH_ID_UART4:
- if (config == FUNCMUX_UART4_GMC) {
- pinmux_set_func(PMUX_PINGRP_GMC, PMUX_FUNC_UARTD);
- pinmux_tristate_disable(PMUX_PINGRP_GMC);
- }
- break;
-
- case PERIPH_ID_DVC_I2C:
- /* there is only one selection, pinmux_config is ignored */
- if (config == FUNCMUX_DVC_I2CP) {
- pinmux_set_func(PMUX_PINGRP_I2CP, PMUX_FUNC_I2C);
- pinmux_tristate_disable(PMUX_PINGRP_I2CP);
- }
- break;
-
- case PERIPH_ID_I2C1:
- /* support pinmux_config of 0 for now, */
- if (config == FUNCMUX_I2C1_RM) {
- pinmux_set_func(PMUX_PINGRP_RM, PMUX_FUNC_I2C);
- pinmux_tristate_disable(PMUX_PINGRP_RM);
- }
- break;
- case PERIPH_ID_I2C2: /* I2C2 */
- switch (config) {
- case FUNCMUX_I2C2_DDC: /* DDC pin group, select I2C2 */
- pinmux_set_func(PMUX_PINGRP_DDC, PMUX_FUNC_I2C2);
- /* PTA to HDMI */
- pinmux_set_func(PMUX_PINGRP_PTA, PMUX_FUNC_HDMI);
- pinmux_tristate_disable(PMUX_PINGRP_DDC);
- break;
- case FUNCMUX_I2C2_PTA: /* PTA pin group, select I2C2 */
- pinmux_set_func(PMUX_PINGRP_PTA, PMUX_FUNC_I2C2);
- /* set DDC_SEL to RSVDx (RSVD2 works for now) */
- pinmux_set_func(PMUX_PINGRP_DDC, PMUX_FUNC_RSVD2);
- pinmux_tristate_disable(PMUX_PINGRP_PTA);
- bad_config = 0;
- break;
- }
- break;
- case PERIPH_ID_I2C3: /* I2C3 */
- /* support pinmux_config of 0 for now */
- if (config == FUNCMUX_I2C3_DTF) {
- pinmux_set_func(PMUX_PINGRP_DTF, PMUX_FUNC_I2C3);
- pinmux_tristate_disable(PMUX_PINGRP_DTF);
- }
- break;
-
- case PERIPH_ID_SDMMC1:
- if (config == FUNCMUX_SDMMC1_SDIO1_4BIT) {
- pinmux_set_func(PMUX_PINGRP_SDIO1, PMUX_FUNC_SDIO1);
- pinmux_tristate_disable(PMUX_PINGRP_SDIO1);
- }
- break;
-
- case PERIPH_ID_SDMMC2:
- if (config == FUNCMUX_SDMMC2_DTA_DTD_8BIT) {
- pinmux_set_func(PMUX_PINGRP_DTA, PMUX_FUNC_SDIO2);
- pinmux_set_func(PMUX_PINGRP_DTD, PMUX_FUNC_SDIO2);
-
- pinmux_tristate_disable(PMUX_PINGRP_DTA);
- pinmux_tristate_disable(PMUX_PINGRP_DTD);
- }
- break;
-
- case PERIPH_ID_SDMMC3:
- switch (config) {
- case FUNCMUX_SDMMC3_SDB_SLXA_8BIT:
- pinmux_set_func(PMUX_PINGRP_SLXA, PMUX_FUNC_SDIO3);
- pinmux_set_func(PMUX_PINGRP_SLXC, PMUX_FUNC_SDIO3);
- pinmux_set_func(PMUX_PINGRP_SLXD, PMUX_FUNC_SDIO3);
- pinmux_set_func(PMUX_PINGRP_SLXK, PMUX_FUNC_SDIO3);
-
- pinmux_tristate_disable(PMUX_PINGRP_SLXA);
- pinmux_tristate_disable(PMUX_PINGRP_SLXC);
- pinmux_tristate_disable(PMUX_PINGRP_SLXD);
- pinmux_tristate_disable(PMUX_PINGRP_SLXK);
- /* fall through */
-
- case FUNCMUX_SDMMC3_SDB_4BIT:
- pinmux_set_func(PMUX_PINGRP_SDB, PMUX_FUNC_SDIO3);
- pinmux_set_func(PMUX_PINGRP_SDC, PMUX_FUNC_SDIO3);
- pinmux_set_func(PMUX_PINGRP_SDD, PMUX_FUNC_SDIO3);
-
- pinmux_tristate_disable(PMUX_PINGRP_SDB);
- pinmux_tristate_disable(PMUX_PINGRP_SDC);
- pinmux_tristate_disable(PMUX_PINGRP_SDD);
- bad_config = 0;
- break;
- }
- break;
-
- case PERIPH_ID_SDMMC4:
- switch (config) {
- case FUNCMUX_SDMMC4_ATC_ATD_8BIT:
- pinmux_set_func(PMUX_PINGRP_ATC, PMUX_FUNC_SDIO4);
- pinmux_set_func(PMUX_PINGRP_ATD, PMUX_FUNC_SDIO4);
-
- pinmux_tristate_disable(PMUX_PINGRP_ATC);
- pinmux_tristate_disable(PMUX_PINGRP_ATD);
- break;
-
- case FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT:
- pinmux_set_func(PMUX_PINGRP_GME, PMUX_FUNC_SDIO4);
- pinmux_tristate_disable(PMUX_PINGRP_GME);
- /* fall through */
-
- case FUNCMUX_SDMMC4_ATB_GMA_4_BIT:
- pinmux_set_func(PMUX_PINGRP_ATB, PMUX_FUNC_SDIO4);
- pinmux_set_func(PMUX_PINGRP_GMA, PMUX_FUNC_SDIO4);
-
- pinmux_tristate_disable(PMUX_PINGRP_ATB);
- pinmux_tristate_disable(PMUX_PINGRP_GMA);
- bad_config = 0;
- break;
- }
- break;
-
- case PERIPH_ID_KBC:
- if (config == FUNCMUX_DEFAULT) {
- enum pmux_pingrp grp[] = {PMUX_PINGRP_KBCA,
- PMUX_PINGRP_KBCB, PMUX_PINGRP_KBCC,
- PMUX_PINGRP_KBCD, PMUX_PINGRP_KBCE,
- PMUX_PINGRP_KBCF};
- int i;
-
- for (i = 0; i < ARRAY_SIZE(grp); i++) {
- pinmux_tristate_disable(grp[i]);
- pinmux_set_func(grp[i], PMUX_FUNC_KBC);
- pinmux_set_pullupdown(grp[i], PMUX_PULL_UP);
- }
- }
- break;
-
- case PERIPH_ID_USB2:
- if (config == FUNCMUX_USB2_ULPI) {
- pinmux_set_func(PMUX_PINGRP_UAA, PMUX_FUNC_ULPI);
- pinmux_set_func(PMUX_PINGRP_UAB, PMUX_FUNC_ULPI);
- pinmux_set_func(PMUX_PINGRP_UDA, PMUX_FUNC_ULPI);
-
- pinmux_tristate_disable(PMUX_PINGRP_UAA);
- pinmux_tristate_disable(PMUX_PINGRP_UAB);
- pinmux_tristate_disable(PMUX_PINGRP_UDA);
- }
- break;
-
- case PERIPH_ID_SPI1:
- if (config == FUNCMUX_SPI1_GMC_GMD) {
- pinmux_set_func(PMUX_PINGRP_GMC, PMUX_FUNC_SFLASH);
- pinmux_set_func(PMUX_PINGRP_GMD, PMUX_FUNC_SFLASH);
-
- pinmux_tristate_disable(PMUX_PINGRP_GMC);
- pinmux_tristate_disable(PMUX_PINGRP_GMD);
- }
- break;
-
- case PERIPH_ID_NDFLASH:
- switch (config) {
- case FUNCMUX_NDFLASH_ATC:
- pinmux_set_func(PMUX_PINGRP_ATC, PMUX_FUNC_NAND);
- pinmux_tristate_disable(PMUX_PINGRP_ATC);
- break;
- case FUNCMUX_NDFLASH_KBC_8_BIT:
- pinmux_set_func(PMUX_PINGRP_KBCA, PMUX_FUNC_NAND);
- pinmux_set_func(PMUX_PINGRP_KBCC, PMUX_FUNC_NAND);
- pinmux_set_func(PMUX_PINGRP_KBCD, PMUX_FUNC_NAND);
- pinmux_set_func(PMUX_PINGRP_KBCE, PMUX_FUNC_NAND);
- pinmux_set_func(PMUX_PINGRP_KBCF, PMUX_FUNC_NAND);
-
- pinmux_tristate_disable(PMUX_PINGRP_KBCA);
- pinmux_tristate_disable(PMUX_PINGRP_KBCC);
- pinmux_tristate_disable(PMUX_PINGRP_KBCD);
- pinmux_tristate_disable(PMUX_PINGRP_KBCE);
- pinmux_tristate_disable(PMUX_PINGRP_KBCF);
-
- bad_config = 0;
- break;
- }
- break;
- case PERIPH_ID_DISP1:
- if (config == FUNCMUX_DEFAULT) {
- int i;
-
- for (i = PMUX_PINGRP_LD0; i <= PMUX_PINGRP_LD17; i++) {
- pinmux_set_func(i, PMUX_FUNC_DISPA);
- pinmux_tristate_disable(i);
- pinmux_set_pullupdown(i, PMUX_PULL_NORMAL);
- }
- pinmux_config_pingrp_table(disp1_default,
- ARRAY_SIZE(disp1_default));
- }
- break;
-
- default:
- debug("%s: invalid periph_id %d", __func__, id);
- return -1;
- }
-
- if (bad_config) {
- debug("%s: invalid config %d for periph_id %d", __func__,
- config, id);
- return -1;
- }
-
- return 0;
-}
+++ /dev/null
-/*
- * Copyright (c) 2011 The Chromium OS Authors.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/* Tegra20 pin multiplexing functions */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/pinmux.h>
-
-/*
- * This defines the order of the pin mux control bits in the registers. For
- * some reason there is no correspendence between the tristate, pin mux and
- * pullup/pulldown registers.
- */
-enum pmux_ctlid {
- /* 0: APB_MISC_PP_PIN_MUX_CTL_A_0 */
- MUXCTL_UAA,
- MUXCTL_UAB,
- MUXCTL_UAC,
- MUXCTL_UAD,
- MUXCTL_UDA,
- MUXCTL_RESERVED5,
- MUXCTL_ATE,
- MUXCTL_RM,
-
- MUXCTL_ATB,
- MUXCTL_RESERVED9,
- MUXCTL_ATD,
- MUXCTL_ATC,
- MUXCTL_ATA,
- MUXCTL_KBCF,
- MUXCTL_KBCE,
- MUXCTL_SDMMC1,
-
- /* 16: APB_MISC_PP_PIN_MUX_CTL_B_0 */
- MUXCTL_GMA,
- MUXCTL_GMC,
- MUXCTL_HDINT,
- MUXCTL_SLXA,
- MUXCTL_OWC,
- MUXCTL_SLXC,
- MUXCTL_SLXD,
- MUXCTL_SLXK,
-
- MUXCTL_UCA,
- MUXCTL_UCB,
- MUXCTL_DTA,
- MUXCTL_DTB,
- MUXCTL_RESERVED28,
- MUXCTL_DTC,
- MUXCTL_DTD,
- MUXCTL_DTE,
-
- /* 32: APB_MISC_PP_PIN_MUX_CTL_C_0 */
- MUXCTL_DDC,
- MUXCTL_CDEV1,
- MUXCTL_CDEV2,
- MUXCTL_CSUS,
- MUXCTL_I2CP,
- MUXCTL_KBCA,
- MUXCTL_KBCB,
- MUXCTL_KBCC,
-
- MUXCTL_IRTX,
- MUXCTL_IRRX,
- MUXCTL_DAP1,
- MUXCTL_DAP2,
- MUXCTL_DAP3,
- MUXCTL_DAP4,
- MUXCTL_GMB,
- MUXCTL_GMD,
-
- /* 48: APB_MISC_PP_PIN_MUX_CTL_D_0 */
- MUXCTL_GME,
- MUXCTL_GPV,
- MUXCTL_GPU,
- MUXCTL_SPDO,
- MUXCTL_SPDI,
- MUXCTL_SDB,
- MUXCTL_SDC,
- MUXCTL_SDD,
-
- MUXCTL_SPIH,
- MUXCTL_SPIG,
- MUXCTL_SPIF,
- MUXCTL_SPIE,
- MUXCTL_SPID,
- MUXCTL_SPIC,
- MUXCTL_SPIB,
- MUXCTL_SPIA,
-
- /* 64: APB_MISC_PP_PIN_MUX_CTL_E_0 */
- MUXCTL_LPW0,
- MUXCTL_LPW1,
- MUXCTL_LPW2,
- MUXCTL_LSDI,
- MUXCTL_LSDA,
- MUXCTL_LSPI,
- MUXCTL_LCSN,
- MUXCTL_LDC,
-
- MUXCTL_LSCK,
- MUXCTL_LSC0,
- MUXCTL_LSC1,
- MUXCTL_LHS,
- MUXCTL_LVS,
- MUXCTL_LM0,
- MUXCTL_LM1,
- MUXCTL_LVP0,
-
- /* 80: APB_MISC_PP_PIN_MUX_CTL_F_0 */
- MUXCTL_LD0,
- MUXCTL_LD1,
- MUXCTL_LD2,
- MUXCTL_LD3,
- MUXCTL_LD4,
- MUXCTL_LD5,
- MUXCTL_LD6,
- MUXCTL_LD7,
-
- MUXCTL_LD8,
- MUXCTL_LD9,
- MUXCTL_LD10,
- MUXCTL_LD11,
- MUXCTL_LD12,
- MUXCTL_LD13,
- MUXCTL_LD14,
- MUXCTL_LD15,
-
- /* 96: APB_MISC_PP_PIN_MUX_CTL_G_0 */
- MUXCTL_LD16,
- MUXCTL_LD17,
- MUXCTL_LHP1,
- MUXCTL_LHP2,
- MUXCTL_LVP1,
- MUXCTL_LHP0,
- MUXCTL_RESERVED102,
- MUXCTL_LPP,
-
- MUXCTL_LDI,
- MUXCTL_PMC,
- MUXCTL_CRTP,
- MUXCTL_PTA,
- MUXCTL_RESERVED108,
- MUXCTL_KBCD,
- MUXCTL_GPU7,
- MUXCTL_DTF,
-
- MUXCTL_NONE = -1,
-};
-
-/*
- * And this defines the order of the pullup/pulldown controls which are again
- * in a different order
- */
-enum pmux_pullid {
- /* 0: APB_MISC_PP_PULLUPDOWN_REG_A_0 */
- PUCTL_ATA,
- PUCTL_ATB,
- PUCTL_ATC,
- PUCTL_ATD,
- PUCTL_ATE,
- PUCTL_DAP1,
- PUCTL_DAP2,
- PUCTL_DAP3,
-
- PUCTL_DAP4,
- PUCTL_DTA,
- PUCTL_DTB,
- PUCTL_DTC,
- PUCTL_DTD,
- PUCTL_DTE,
- PUCTL_DTF,
- PUCTL_GPV,
-
- /* 16: APB_MISC_PP_PULLUPDOWN_REG_B_0 */
- PUCTL_RM,
- PUCTL_I2CP,
- PUCTL_PTA,
- PUCTL_GPU7,
- PUCTL_KBCA,
- PUCTL_KBCB,
- PUCTL_KBCC,
- PUCTL_KBCD,
-
- PUCTL_SPDI,
- PUCTL_SPDO,
- PUCTL_GPSLXAU,
- PUCTL_CRTP,
- PUCTL_SLXC,
- PUCTL_SLXD,
- PUCTL_SLXK,
-
- /* 32: APB_MISC_PP_PULLUPDOWN_REG_C_0 */
- PUCTL_CDEV1,
- PUCTL_CDEV2,
- PUCTL_SPIA,
- PUCTL_SPIB,
- PUCTL_SPIC,
- PUCTL_SPID,
- PUCTL_SPIE,
- PUCTL_SPIF,
-
- PUCTL_SPIG,
- PUCTL_SPIH,
- PUCTL_IRTX,
- PUCTL_IRRX,
- PUCTL_GME,
- PUCTL_RESERVED45,
- PUCTL_XM2D,
- PUCTL_XM2C,
-
- /* 48: APB_MISC_PP_PULLUPDOWN_REG_D_0 */
- PUCTL_UAA,
- PUCTL_UAB,
- PUCTL_UAC,
- PUCTL_UAD,
- PUCTL_UCA,
- PUCTL_UCB,
- PUCTL_LD17,
- PUCTL_LD19_18,
-
- PUCTL_LD21_20,
- PUCTL_LD23_22,
- PUCTL_LS,
- PUCTL_LC,
- PUCTL_CSUS,
- PUCTL_DDRC,
- PUCTL_SDC,
- PUCTL_SDD,
-
- /* 64: APB_MISC_PP_PULLUPDOWN_REG_E_0 */
- PUCTL_KBCF,
- PUCTL_KBCE,
- PUCTL_PMCA,
- PUCTL_PMCB,
- PUCTL_PMCC,
- PUCTL_PMCD,
- PUCTL_PMCE,
- PUCTL_CK32,
-
- PUCTL_UDA,
- PUCTL_SDMMC1,
- PUCTL_GMA,
- PUCTL_GMB,
- PUCTL_GMC,
- PUCTL_GMD,
- PUCTL_DDC,
- PUCTL_OWC,
-
- PUCTL_NONE = -1
-};
-
-/* Convenient macro for defining pin group properties */
-#define PINALL(pingrp, f0, f1, f2, f3, mux, pupd) \
- { \
- .funcs = { \
- PMUX_FUNC_ ## f0, \
- PMUX_FUNC_ ## f1, \
- PMUX_FUNC_ ## f2, \
- PMUX_FUNC_ ## f3, \
- }, \
- .ctl_id = mux, \
- .pull_id = pupd \
- }
-
-/* A normal pin group where the mux name and pull-up name match */
-#define PIN(pingrp, f0, f1, f2, f3) \
- PINALL(pingrp, f0, f1, f2, f3, MUXCTL_##pingrp, PUCTL_##pingrp)
-
-/* A pin group where the pull-up name doesn't have a 1-1 mapping */
-#define PINP(pingrp, f0, f1, f2, f3, pupd) \
- PINALL(pingrp, f0, f1, f2, f3, MUXCTL_##pingrp, PUCTL_##pupd)
-
-/* A pin group number which is not used */
-#define PIN_RESERVED \
- PIN(NONE, RSVD1, RSVD2, RSVD3, RSVD4)
-
-#define DRVGRP(drvgrp) \
- PINALL(drvgrp, RSVD1, RSVD2, RSVD3, RSVD4, MUXCTL_NONE, PUCTL_NONE)
-
-static const struct pmux_pingrp_desc tegra20_pingroups[] = {
- PIN(ATA, IDE, NAND, GMI, RSVD4),
- PIN(ATB, IDE, NAND, GMI, SDIO4),
- PIN(ATC, IDE, NAND, GMI, SDIO4),
- PIN(ATD, IDE, NAND, GMI, SDIO4),
- PIN(CDEV1, OSC, PLLA_OUT, PLLM_OUT1, AUDIO_SYNC),
- PIN(CDEV2, OSC, AHB_CLK, APB_CLK, PLLP_OUT4),
- PIN(CSUS, PLLC_OUT1, PLLP_OUT2, PLLP_OUT3, VI_SENSOR_CLK),
- PIN(DAP1, DAP1, RSVD2, GMI, SDIO2),
-
- PIN(DAP2, DAP2, TWC, RSVD3, GMI),
- PIN(DAP3, DAP3, RSVD2, RSVD3, RSVD4),
- PIN(DAP4, DAP4, RSVD2, GMI, RSVD4),
- PIN(DTA, RSVD1, SDIO2, VI, RSVD4),
- PIN(DTB, RSVD1, RSVD2, VI, SPI1),
- PIN(DTC, RSVD1, RSVD2, VI, RSVD4),
- PIN(DTD, RSVD1, SDIO2, VI, RSVD4),
- PIN(DTE, RSVD1, RSVD2, VI, SPI1),
-
- PINP(GPU, PWM, UARTA, GMI, RSVD4, GPSLXAU),
- PIN(GPV, PCIE, RSVD2, RSVD3, RSVD4),
- PIN(I2CP, I2C, RSVD2, RSVD3, RSVD4),
- PIN(IRTX, UARTA, UARTB, GMI, SPI4),
- PIN(IRRX, UARTA, UARTB, GMI, SPI4),
- PIN(KBCB, KBC, NAND, SDIO2, MIO),
- PIN(KBCA, KBC, NAND, SDIO2, EMC_TEST0_DLL),
- PINP(PMC, PWR_ON, PWR_INTR, RSVD3, RSVD4, NONE),
-
- PIN(PTA, I2C2, HDMI, GMI, RSVD4),
- PIN(RM, I2C, RSVD2, RSVD3, RSVD4),
- PIN(KBCE, KBC, NAND, OWR, RSVD4),
- PIN(KBCF, KBC, NAND, TRACE, MIO),
- PIN(GMA, UARTE, SPI3, GMI, SDIO4),
- PIN(GMC, UARTD, SPI4, GMI, SFLASH),
- PIN(SDMMC1, SDIO1, RSVD2, UARTE, UARTA),
- PIN(OWC, OWR, RSVD2, RSVD3, RSVD4),
-
- PIN(GME, RSVD1, DAP5, GMI, SDIO4),
- PIN(SDC, PWM, TWC, SDIO3, SPI3),
- PIN(SDD, UARTA, PWM, SDIO3, SPI3),
- PIN_RESERVED,
- PINP(SLXA, PCIE, SPI4, SDIO3, SPI2, CRTP),
- PIN(SLXC, SPDIF, SPI4, SDIO3, SPI2),
- PIN(SLXD, SPDIF, SPI4, SDIO3, SPI2),
- PIN(SLXK, PCIE, SPI4, SDIO3, SPI2),
-
- PIN(SPDI, SPDIF, RSVD2, I2C, SDIO2),
- PIN(SPDO, SPDIF, RSVD2, I2C, SDIO2),
- PIN(SPIA, SPI1, SPI2, SPI3, GMI),
- PIN(SPIB, SPI1, SPI2, SPI3, GMI),
- PIN(SPIC, SPI1, SPI2, SPI3, GMI),
- PIN(SPID, SPI2, SPI1, SPI2_ALT, GMI),
- PIN(SPIE, SPI2, SPI1, SPI2_ALT, GMI),
- PIN(SPIF, SPI3, SPI1, SPI2, RSVD4),
-
- PIN(SPIG, SPI3, SPI2, SPI2_ALT, I2C),
- PIN(SPIH, SPI3, SPI2, SPI2_ALT, I2C),
- PIN(UAA, SPI3, MIPI_HS, UARTA, ULPI),
- PIN(UAB, SPI2, MIPI_HS, UARTA, ULPI),
- PIN(UAC, OWR, RSVD2, RSVD3, RSVD4),
- PIN(UAD, UARTB, SPDIF, UARTA, SPI4),
- PIN(UCA, UARTC, RSVD2, GMI, RSVD4),
- PIN(UCB, UARTC, PWM, GMI, RSVD4),
-
- PIN_RESERVED,
- PIN(ATE, IDE, NAND, GMI, RSVD4),
- PIN(KBCC, KBC, NAND, TRACE, EMC_TEST1_DLL),
- PIN_RESERVED,
- PIN_RESERVED,
- PIN(GMB, IDE, NAND, GMI, GMI_INT),
- PIN(GMD, RSVD1, NAND, GMI, SFLASH),
- PIN(DDC, I2C2, RSVD2, RSVD3, RSVD4),
-
- /* 64 */
- PINP(LD0, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD1, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD2, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD3, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD4, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD5, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD6, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD7, DISPA, DISPB, XIO, RSVD4, LD17),
-
- PINP(LD8, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD9, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD10, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD11, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD12, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD13, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD14, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD15, DISPA, DISPB, XIO, RSVD4, LD17),
-
- PINP(LD16, DISPA, DISPB, XIO, RSVD4, LD17),
- PINP(LD17, DISPA, DISPB, RSVD3, RSVD4, LD17),
- PINP(LHP0, DISPA, DISPB, RSVD3, RSVD4, LD21_20),
- PINP(LHP1, DISPA, DISPB, RSVD3, RSVD4, LD19_18),
- PINP(LHP2, DISPA, DISPB, RSVD3, RSVD4, LD19_18),
- PINP(LVP0, DISPA, DISPB, RSVD3, RSVD4, LC),
- PINP(LVP1, DISPA, DISPB, RSVD3, RSVD4, LD21_20),
- PINP(HDINT, HDMI, RSVD2, RSVD3, RSVD4, LC),
-
- PINP(LM0, DISPA, DISPB, SPI3, RSVD4, LC),
- PINP(LM1, DISPA, DISPB, RSVD3, CRT, LC),
- PINP(LVS, DISPA, DISPB, XIO, RSVD4, LC),
- PINP(LSC0, DISPA, DISPB, XIO, RSVD4, LC),
- PINP(LSC1, DISPA, DISPB, SPI3, HDMI, LS),
- PINP(LSCK, DISPA, DISPB, SPI3, HDMI, LS),
- PINP(LDC, DISPA, DISPB, RSVD3, RSVD4, LS),
- PINP(LCSN, DISPA, DISPB, SPI3, RSVD4, LS),
-
- /* 96 */
- PINP(LSPI, DISPA, DISPB, XIO, HDMI, LC),
- PINP(LSDA, DISPA, DISPB, SPI3, HDMI, LS),
- PINP(LSDI, DISPA, DISPB, SPI3, RSVD4, LS),
- PINP(LPW0, DISPA, DISPB, SPI3, HDMI, LS),
- PINP(LPW1, DISPA, DISPB, RSVD3, RSVD4, LS),
- PINP(LPW2, DISPA, DISPB, SPI3, HDMI, LS),
- PINP(LDI, DISPA, DISPB, RSVD3, RSVD4, LD23_22),
- PINP(LHS, DISPA, DISPB, XIO, RSVD4, LC),
-
- PINP(LPP, DISPA, DISPB, RSVD3, RSVD4, LD23_22),
- PIN_RESERVED,
- PIN(KBCD, KBC, NAND, SDIO2, MIO),
- PIN(GPU7, RTCK, RSVD2, RSVD3, RSVD4),
- PIN(DTF, I2C3, RSVD2, VI, RSVD4),
- PIN(UDA, SPI1, RSVD2, UARTD, ULPI),
- PIN(CRTP, CRT, RSVD2, RSVD3, RSVD4),
- PINP(SDB, UARTA, PWM, SDIO3, SPI2, NONE),
-
- /* these pin groups only have pullup and pull down control */
- DRVGRP(CK32),
- DRVGRP(DDRC),
- DRVGRP(PMCA),
- DRVGRP(PMCB),
- DRVGRP(PMCC),
- DRVGRP(PMCD),
- DRVGRP(PMCE),
- DRVGRP(XM2C),
- DRVGRP(XM2D),
-};
-const struct pmux_pingrp_desc *tegra_soc_pingroups = tegra20_pingroups;
+++ /dev/null
-/*
- * Copyright (c) 2011 The Chromium OS Authors.
- * (C) Copyright 2010,2011 NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <i2c.h>
-#include <tps6586x.h>
-#include <asm/io.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/ap.h>
-#include <asm/arch-tegra/tegra_i2c.h>
-#include <asm/arch-tegra/sys_proto.h>
-
-#define VDD_CORE_NOMINAL_T25 0x17 /* 1.3v */
-#define VDD_CPU_NOMINAL_T25 0x10 /* 1.125v */
-
-#define VDD_CORE_NOMINAL_T20 0x16 /* 1.275v */
-#define VDD_CPU_NOMINAL_T20 0x0f /* 1.1v */
-
-#define VDD_RELATION 0x02 /* 50mv */
-#define VDD_TRANSITION_STEP 0x06 /* 150mv */
-#define VDD_TRANSITION_RATE 0x06 /* 3.52mv/us */
-
-#define PMI_I2C_ADDRESS 0x34 /* chip requires this address */
-
-int pmu_set_nominal(void)
-{
- struct udevice *bus, *dev;
- int core, cpu;
- int ret;
-
- /* by default, the table has been filled with T25 settings */
- switch (tegra_get_chip_sku()) {
- case TEGRA_SOC_T20:
- core = VDD_CORE_NOMINAL_T20;
- cpu = VDD_CPU_NOMINAL_T20;
- break;
- case TEGRA_SOC_T25:
- core = VDD_CORE_NOMINAL_T25;
- cpu = VDD_CPU_NOMINAL_T25;
- break;
- default:
- debug("%s: Unknown SKU id\n", __func__);
- return -1;
- }
-
- ret = tegra_i2c_get_dvc_bus(&bus);
- if (ret) {
- debug("%s: Cannot find DVC I2C bus\n", __func__);
- return ret;
- }
- ret = i2c_get_chip(bus, PMI_I2C_ADDRESS, 1, &dev);
- if (ret) {
- debug("%s: Cannot find DVC I2C chip\n", __func__);
- return ret;
- }
-
- tps6586x_init(dev);
- tps6586x_set_pwm_mode(TPS6586X_PWM_SM1);
- return tps6586x_adjust_sm0_sm1(core, cpu, VDD_TRANSITION_STEP,
- VDD_TRANSITION_RATE, VDD_RELATION);
-}
+++ /dev/null
-/*
- * (C) Copyright 2010 - 2011
- * NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/errno.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/emc.h>
-#include <asm/arch/gp_padctrl.h>
-#include <asm/arch/pinmux.h>
-#include <asm/arch/sdram_param.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/ap.h>
-#include <asm/arch-tegra/apb_misc.h>
-#include <asm/arch-tegra/clk_rst.h>
-#include <asm/arch-tegra/pmc.h>
-#include <asm/arch-tegra/fuse.h>
-#include <asm/arch-tegra/warmboot.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifndef CONFIG_TEGRA_CLOCK_SCALING
-#error "You must enable CONFIG_TEGRA_CLOCK_SCALING to use CONFIG_TEGRA_LP0"
-#endif
-
-/*
- * This is the place in SRAM where the SDRAM parameters are stored. There
- * are 4 blocks, one for each RAM code
- */
-#define SDRAM_PARAMS_BASE (NV_PA_BASE_SRAM + 0x188)
-
-/* TODO: If we later add support for the Misc GP controller, refactor this */
-union xm2cfga_reg {
- struct {
- u32 reserved0:2;
- u32 hsm_en:1;
- u32 reserved1:2;
- u32 preemp_en:1;
- u32 vref_en:1;
- u32 reserved2:5;
- u32 cal_drvdn:5;
- u32 reserved3:3;
- u32 cal_drvup:5;
- u32 reserved4:3;
- u32 cal_drvdn_slwr:2;
- u32 cal_drvup_slwf:2;
- };
- u32 word;
-};
-
-union xm2cfgd_reg {
- struct {
- u32 reserved0:2;
- u32 hsm_en:1;
- u32 schmt_en:1;
- u32 lpmd:2;
- u32 vref_en:1;
- u32 reserved1:5;
- u32 cal_drvdn:5;
- u32 reserved2:3;
- u32 cal_drvup:5;
- u32 reserved3:3;
- u32 cal_drvdn_slwr:2;
- u32 cal_drvup_slwf:2;
- };
- u32 word;
-};
-
-/*
- * TODO: This register is not documented in the TRM yet. We could move this
- * into the EMC and give it a proper interface, but not while it is
- * undocumented.
- */
-union fbio_spare_reg {
- struct {
- u32 reserved:24;
- u32 cfg_wb0:8;
- };
- u32 word;
-};
-
-/* We pack the resume information into these unions for later */
-union scratch2_reg {
- struct {
- u32 pllm_base_divm:5;
- u32 pllm_base_divn:10;
- u32 pllm_base_divp:3;
- u32 pllm_misc_lfcon:4;
- u32 pllm_misc_cpcon:4;
- u32 gp_xm2cfga_padctrl_preemp:1;
- u32 gp_xm2cfgd_padctrl_schmt:1;
- u32 osc_ctrl_xobp:1;
- u32 memory_type:3;
- };
- u32 word;
-};
-
-union scratch4_reg {
- struct {
- u32 emc_clock_divider:8;
- u32 pllm_stable_time:8;
- u32 pllx_stable_time:8;
- u32 emc_fbio_spare_cfg_wb0:8;
- };
- u32 word;
-};
-
-union scratch24_reg {
- struct {
- u32 emc_auto_cal_wait:8;
- u32 emc_pin_program_wait:8;
- u32 warmboot_wait:8;
- u32 reserved:8;
- };
- u32 word;
-};
-
-int warmboot_save_sdram_params(void)
-{
- u32 ram_code;
- struct sdram_params sdram;
- struct apb_misc_pp_ctlr *apb_misc =
- (struct apb_misc_pp_ctlr *)NV_PA_APB_MISC_BASE;
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
- struct apb_misc_gp_ctlr *gp =
- (struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
- struct emc_ctlr *emc = emc_get_controller(gd->fdt_blob);
- union scratch2_reg scratch2;
- union scratch4_reg scratch4;
- union scratch24_reg scratch24;
- union xm2cfga_reg xm2cfga;
- union xm2cfgd_reg xm2cfgd;
- union fbio_spare_reg fbio_spare;
-
- /* get ram code that is used as index to array sdram_params in BCT */
- ram_code = (readl(&apb_misc->strapping_opt_a) >>
- STRAP_OPT_A_RAM_CODE_SHIFT) & 3;
- memcpy(&sdram,
- (char *)((struct sdram_params *)SDRAM_PARAMS_BASE + ram_code),
- sizeof(sdram));
-
- xm2cfga.word = readl(&gp->xm2cfga);
- xm2cfgd.word = readl(&gp->xm2cfgd);
-
- scratch2.word = 0;
- scratch2.osc_ctrl_xobp = clock_get_osc_bypass();
-
- /* Get the memory PLL settings */
- {
- u32 divm, divn, divp, cpcon, lfcon;
-
- if (clock_ll_read_pll(CLOCK_ID_MEMORY, &divm, &divn, &divp,
- &cpcon, &lfcon))
- return -1;
- scratch2.pllm_base_divm = divm;
- scratch2.pllm_base_divn = divn;
- scratch2.pllm_base_divp = divp;
- scratch2.pllm_misc_cpcon = cpcon;
- scratch2.pllm_misc_lfcon = lfcon;
- }
-
- scratch2.gp_xm2cfga_padctrl_preemp = xm2cfga.preemp_en;
- scratch2.gp_xm2cfgd_padctrl_schmt = xm2cfgd.schmt_en;
- scratch2.memory_type = sdram.memory_type;
- writel(scratch2.word, &pmc->pmc_scratch2);
-
- /* collect data from various sources for pmc_scratch4 */
- fbio_spare.word = readl(&emc->fbio_spare);
- scratch4.word = 0;
- scratch4.emc_fbio_spare_cfg_wb0 = fbio_spare.cfg_wb0;
- scratch4.emc_clock_divider = sdram.emc_clock_divider;
- scratch4.pllm_stable_time = -1;
- scratch4.pllx_stable_time = -1;
- writel(scratch4.word, &pmc->pmc_scratch4);
-
- /* collect various data from sdram for pmc_scratch24 */
- scratch24.word = 0;
- scratch24.emc_pin_program_wait = sdram.emc_pin_program_wait;
- scratch24.emc_auto_cal_wait = sdram.emc_auto_cal_wait;
- scratch24.warmboot_wait = sdram.warm_boot_wait;
- writel(scratch24.word, &pmc->pmc_scratch24);
-
- return 0;
-}
-
-static u32 get_major_version(void)
-{
- u32 major_id;
- struct apb_misc_gp_ctlr *gp =
- (struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
-
- major_id = (readl(&gp->hidrev) & HIDREV_MAJORPREV_MASK) >>
- HIDREV_MAJORPREV_SHIFT;
- return major_id;
-}
-
-static int is_production_mode_fuse_set(struct fuse_regs *fuse)
-{
- return readl(&fuse->production_mode);
-}
-
-static int is_odm_production_mode_fuse_set(struct fuse_regs *fuse)
-{
- return readl(&fuse->security_mode);
-}
-
-static int is_failure_analysis_mode(struct fuse_regs *fuse)
-{
- return readl(&fuse->fa);
-}
-
-static int ap20_is_odm_production_mode(void)
-{
- struct fuse_regs *fuse = (struct fuse_regs *)NV_PA_FUSE_BASE;
-
- if (!is_failure_analysis_mode(fuse) &&
- is_odm_production_mode_fuse_set(fuse))
- return 1;
- else
- return 0;
-}
-
-static int ap20_is_production_mode(void)
-{
- struct fuse_regs *fuse = (struct fuse_regs *)NV_PA_FUSE_BASE;
-
- if (get_major_version() == 0)
- return 1;
-
- if (!is_failure_analysis_mode(fuse) &&
- is_production_mode_fuse_set(fuse) &&
- !is_odm_production_mode_fuse_set(fuse))
- return 1;
- else
- return 0;
-}
-
-static enum fuse_operating_mode fuse_get_operation_mode(void)
-{
- u32 chip_id;
- struct apb_misc_gp_ctlr *gp =
- (struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
-
- chip_id = (readl(&gp->hidrev) & HIDREV_CHIPID_MASK) >>
- HIDREV_CHIPID_SHIFT;
- if (chip_id == CHIPID_TEGRA20) {
- if (ap20_is_odm_production_mode()) {
- printf("!! odm_production_mode is not supported !!\n");
- return MODE_UNDEFINED;
- } else
- if (ap20_is_production_mode())
- return MODE_PRODUCTION;
- else
- return MODE_UNDEFINED;
- }
- return MODE_UNDEFINED;
-}
-
-static void determine_crypto_options(int *is_encrypted, int *is_signed,
- int *use_zero_key)
-{
- switch (fuse_get_operation_mode()) {
- case MODE_PRODUCTION:
- *is_encrypted = 0;
- *is_signed = 1;
- *use_zero_key = 1;
- break;
- case MODE_UNDEFINED:
- default:
- *is_encrypted = 0;
- *is_signed = 0;
- *use_zero_key = 0;
- break;
- }
-}
-
-static int sign_wb_code(u32 start, u32 length, int use_zero_key)
-{
- int err;
- u8 *source; /* Pointer to source */
- u8 *hash;
-
- /* Calculate AES block parameters. */
- source = (u8 *)(start + offsetof(struct wb_header, random_aes_block));
- length -= offsetof(struct wb_header, random_aes_block);
- hash = (u8 *)(start + offsetof(struct wb_header, hash));
- err = sign_data_block(source, length, hash);
-
- return err;
-}
-
-int warmboot_prepare_code(u32 seg_address, u32 seg_length)
-{
- int err = 0;
- u32 length; /* length of the signed/encrypt code */
- struct wb_header *dst_header; /* Pointer to dest WB header */
- int is_encrypted; /* Segment is encrypted */
- int is_signed; /* Segment is signed */
- int use_zero_key; /* Use key of all zeros */
-
- /* Determine crypto options. */
- determine_crypto_options(&is_encrypted, &is_signed, &use_zero_key);
-
- /* Get the actual code limits. */
- length = roundup(((u32)wb_end - (u32)wb_start), 16);
-
- /*
- * The region specified by seg_address must be in SDRAM and must be
- * nonzero in length.
- */
- if (seg_length == 0 || seg_address < NV_PA_SDRAM_BASE ||
- seg_address + seg_length >= NV_PA_SDRAM_BASE + gd->ram_size) {
- err = -EFAULT;
- goto fail;
- }
-
- /* Things must be 16-byte aligned. */
- if ((seg_length & 0xF) || (seg_address & 0xF)) {
- err = -EINVAL;
- goto fail;
- }
-
- /* Will the code fit? (destination includes wb_header + wb code) */
- if (seg_length < (length + sizeof(struct wb_header))) {
- err = -EINVAL;
- goto fail;
- }
-
- dst_header = (struct wb_header *)seg_address;
- memset((char *)dst_header, 0, sizeof(struct wb_header));
-
- /* Populate the random_aes_block as requested. */
- {
- u32 *aes_block = (u32 *)&(dst_header->random_aes_block);
- u32 *end = (u32 *)(((u32)aes_block) +
- sizeof(dst_header->random_aes_block));
-
- do {
- *aes_block++ = 0;
- } while (aes_block < end);
- }
-
- /* Populate the header. */
- dst_header->length_insecure = length + sizeof(struct wb_header);
- dst_header->length_secure = length + sizeof(struct wb_header);
- dst_header->destination = NV_WB_RUN_ADDRESS;
- dst_header->entry_point = NV_WB_RUN_ADDRESS;
- dst_header->code_length = length;
-
- if (is_encrypted) {
- printf("!!!! Encryption is not supported !!!!\n");
- dst_header->length_insecure = 0;
- err = -EACCES;
- goto fail;
- } else
- /* copy the wb code directly following dst_header. */
- memcpy((char *)(dst_header+1), (char *)wb_start, length);
-
- if (is_signed)
- err = sign_wb_code(seg_address, dst_header->length_insecure,
- use_zero_key);
-
-fail:
- if (err)
- printf("Warning: warmboot code copy failed (error=%d)\n", err);
-
- return err;
-}
+++ /dev/null
-/*
- * (C) Copyright 2010 - 2011
- * NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/flow.h>
-#include <asm/arch/pinmux.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/ap.h>
-#include <asm/arch-tegra/apb_misc.h>
-#include <asm/arch-tegra/clk_rst.h>
-#include <asm/arch-tegra/pmc.h>
-#include <asm/arch-tegra/warmboot.h>
-#include "warmboot_avp.h"
-
-#define DEBUG_RESET_CORESIGHT
-
-void wb_start(void)
-{
- struct apb_misc_pp_ctlr *apb_misc =
- (struct apb_misc_pp_ctlr *)NV_PA_APB_MISC_BASE;
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
- struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- union osc_ctrl_reg osc_ctrl;
- union pllx_base_reg pllx_base;
- union pllx_misc_reg pllx_misc;
- union scratch3_reg scratch3;
- u32 reg;
-
- /* enable JTAG & TBE */
- writel(CONFIG_CTL_TBE | CONFIG_CTL_JTAG, &apb_misc->cfg_ctl);
-
- /* Are we running where we're supposed to be? */
- asm volatile (
- "adr %0, wb_start;" /* reg: wb_start address */
- : "=r"(reg) /* output */
- /* no input, no clobber list */
- );
-
- if (reg != NV_WB_RUN_ADDRESS)
- goto do_reset;
-
- /* Are we running with AVP? */
- if (readl(NV_PA_PG_UP_BASE + PG_UP_TAG_0) != PG_UP_TAG_AVP)
- goto do_reset;
-
-#ifdef DEBUG_RESET_CORESIGHT
- /* Assert CoreSight reset */
- reg = readl(&clkrst->crc_rst_dev[TEGRA_DEV_U]);
- reg |= SWR_CSITE_RST;
- writel(reg, &clkrst->crc_rst_dev[TEGRA_DEV_U]);
-#endif
-
- /* TODO: Set the drive strength - maybe make this a board parameter? */
- osc_ctrl.word = readl(&clkrst->crc_osc_ctrl);
- osc_ctrl.xofs = 4;
- osc_ctrl.xoe = 1;
- writel(osc_ctrl.word, &clkrst->crc_osc_ctrl);
-
- /* Power up the CPU complex if necessary */
- if (!(readl(&pmc->pmc_pwrgate_status) & PWRGATE_STATUS_CPU)) {
- reg = PWRGATE_TOGGLE_PARTID_CPU | PWRGATE_TOGGLE_START;
- writel(reg, &pmc->pmc_pwrgate_toggle);
- while (!(readl(&pmc->pmc_pwrgate_status) & PWRGATE_STATUS_CPU))
- ;
- }
-
- /* Remove the I/O clamps from the CPU power partition. */
- reg = readl(&pmc->pmc_remove_clamping);
- reg |= CPU_CLMP;
- writel(reg, &pmc->pmc_remove_clamping);
-
- reg = EVENT_ZERO_VAL_20 | EVENT_MSEC | EVENT_MODE_STOP;
- writel(reg, &flow->halt_cop_events);
-
- /* Assert CPU complex reset */
- reg = readl(&clkrst->crc_rst_dev[TEGRA_DEV_L]);
- reg |= CPU_RST;
- writel(reg, &clkrst->crc_rst_dev[TEGRA_DEV_L]);
-
- /* Hold both CPUs in reset */
- reg = CPU_CMPLX_CPURESET0 | CPU_CMPLX_CPURESET1 | CPU_CMPLX_DERESET0 |
- CPU_CMPLX_DERESET1 | CPU_CMPLX_DBGRESET0 | CPU_CMPLX_DBGRESET1;
- writel(reg, &clkrst->crc_cpu_cmplx_set);
-
- /* Halt CPU1 at the flow controller for uni-processor configurations */
- writel(EVENT_MODE_STOP, &flow->halt_cpu1_events);
-
- /*
- * Set the CPU reset vector. SCRATCH41 contains the physical
- * address of the CPU-side restoration code.
- */
- reg = readl(&pmc->pmc_scratch41);
- writel(reg, EXCEP_VECTOR_CPU_RESET_VECTOR);
-
- /* Select CPU complex clock source */
- writel(CCLK_PLLP_BURST_POLICY, &clkrst->crc_cclk_brst_pol);
-
- /* Start the CPU0 clock and stop the CPU1 clock */
- reg = CPU_CMPLX_CPU_BRIDGE_CLKDIV_4 | CPU_CMPLX_CPU0_CLK_STP_RUN |
- CPU_CMPLX_CPU1_CLK_STP_STOP;
- writel(reg, &clkrst->crc_clk_cpu_cmplx);
-
- /* Enable the CPU complex clock */
- reg = readl(&clkrst->crc_clk_out_enb[TEGRA_DEV_L]);
- reg |= CLK_ENB_CPU;
- writel(reg, &clkrst->crc_clk_out_enb[TEGRA_DEV_L]);
-
- /* Make sure the resets were held for at least 2 microseconds */
- reg = readl(TIMER_USEC_CNTR);
- while (readl(TIMER_USEC_CNTR) <= (reg + 2))
- ;
-
-#ifdef DEBUG_RESET_CORESIGHT
- /*
- * De-assert CoreSight reset.
- * NOTE: We're leaving the CoreSight clock on the oscillator for
- * now. It will be restored to its original clock source
- * when the CPU-side restoration code runs.
- */
- reg = readl(&clkrst->crc_rst_dev[TEGRA_DEV_U]);
- reg &= ~SWR_CSITE_RST;
- writel(reg, &clkrst->crc_rst_dev[TEGRA_DEV_U]);
-#endif
-
- /* Unlock the CPU CoreSight interfaces */
- reg = 0xC5ACCE55;
- writel(reg, CSITE_CPU_DBG0_LAR);
- writel(reg, CSITE_CPU_DBG1_LAR);
-
- /*
- * Sample the microsecond timestamp again. This is the time we must
- * use when returning from LP0 for PLL stabilization delays.
- */
- reg = readl(TIMER_USEC_CNTR);
- writel(reg, &pmc->pmc_scratch1);
-
- pllx_base.word = 0;
- pllx_misc.word = 0;
- scratch3.word = readl(&pmc->pmc_scratch3);
-
- /* Get the OSC. For 19.2 MHz, use 19 to make the calculations easier */
- reg = (readl(TIMER_USEC_CFG) & USEC_CFG_DIVISOR_MASK) + 1;
-
- /*
- * According to the TRM, for 19.2MHz OSC, the USEC_DIVISOR is 0x5f, and
- * USEC_DIVIDEND is 0x04. So, if USEC_DIVISOR > 26, OSC is 19.2 MHz.
- *
- * reg is used to calculate the pllx freq, which is used to determine if
- * to set dccon or not.
- */
- if (reg > 26)
- reg = 19;
-
- /* PLLX_BASE.PLLX_DIVM */
- if (scratch3.pllx_base_divm == reg)
- reg = 0;
- else
- reg = 1;
-
- /* PLLX_BASE.PLLX_DIVN */
- pllx_base.divn = scratch3.pllx_base_divn;
- reg = scratch3.pllx_base_divn << reg;
-
- /* PLLX_BASE.PLLX_DIVP */
- pllx_base.divp = scratch3.pllx_base_divp;
- reg = reg >> scratch3.pllx_base_divp;
-
- pllx_base.bypass = 1;
-
- /* PLLX_MISC_DCCON must be set for pllx frequency > 600 MHz. */
- if (reg > 600)
- pllx_misc.dccon = 1;
-
- /* PLLX_MISC_LFCON */
- pllx_misc.lfcon = scratch3.pllx_misc_lfcon;
-
- /* PLLX_MISC_CPCON */
- pllx_misc.cpcon = scratch3.pllx_misc_cpcon;
-
- writel(pllx_misc.word, &clkrst->crc_pll_simple[SIMPLE_PLLX].pll_misc);
- writel(pllx_base.word, &clkrst->crc_pll_simple[SIMPLE_PLLX].pll_base);
-
- pllx_base.enable = 1;
- writel(pllx_base.word, &clkrst->crc_pll_simple[SIMPLE_PLLX].pll_base);
- pllx_base.bypass = 0;
- writel(pllx_base.word, &clkrst->crc_pll_simple[SIMPLE_PLLX].pll_base);
-
- writel(0, flow->halt_cpu_events);
-
- reg = CPU_CMPLX_CPURESET0 | CPU_CMPLX_DBGRESET0 | CPU_CMPLX_DERESET0;
- writel(reg, &clkrst->crc_cpu_cmplx_clr);
-
- reg = PLLM_OUT1_RSTN_RESET_DISABLE | PLLM_OUT1_CLKEN_ENABLE |
- PLLM_OUT1_RATIO_VAL_8;
- writel(reg, &clkrst->crc_pll[CLOCK_ID_MEMORY].pll_out[0]);
-
- reg = SCLK_SWAKE_FIQ_SRC_PLLM_OUT1 | SCLK_SWAKE_IRQ_SRC_PLLM_OUT1 |
- SCLK_SWAKE_RUN_SRC_PLLM_OUT1 | SCLK_SWAKE_IDLE_SRC_PLLM_OUT1 |
- SCLK_SYS_STATE_IDLE;
- writel(reg, &clkrst->crc_sclk_brst_pol);
-
- /* avp_resume: no return after the write */
- reg = readl(&clkrst->crc_rst_dev[TEGRA_DEV_L]);
- reg &= ~CPU_RST;
- writel(reg, &clkrst->crc_rst_dev[TEGRA_DEV_L]);
-
- /* avp_halt: */
-avp_halt:
- reg = EVENT_MODE_STOP | EVENT_JTAG;
- writel(reg, flow->halt_cop_events);
- goto avp_halt;
-
-do_reset:
- /*
- * Execution comes here if something goes wrong. The chip is reset and
- * a cold boot is performed.
- */
- writel(SWR_TRIG_SYS_RST, &clkrst->crc_rst_dev[TEGRA_DEV_L]);
- goto do_reset;
-}
-
-/*
- * wb_end() is a dummy function, and must be directly following wb_start(),
- * and is used to calculate the size of wb_start().
- */
-void wb_end(void)
-{
-}
+++ /dev/null
-/*
- * (C) Copyright 2010, 2011
- * NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#ifndef _WARMBOOT_AVP_H_
-#define _WARMBOOT_AVP_H_
-
-#define TEGRA_DEV_L 0
-#define TEGRA_DEV_H 1
-#define TEGRA_DEV_U 2
-
-#define SIMPLE_PLLX (CLOCK_ID_XCPU - CLOCK_ID_FIRST_SIMPLE)
-#define SIMPLE_PLLE (CLOCK_ID_EPCI - CLOCK_ID_FIRST_SIMPLE)
-
-#define TIMER_USEC_CNTR (NV_PA_TMRUS_BASE + 0)
-#define TIMER_USEC_CFG (NV_PA_TMRUS_BASE + 4)
-
-#define USEC_CFG_DIVISOR_MASK 0xffff
-
-#define CONFIG_CTL_TBE (1 << 7)
-#define CONFIG_CTL_JTAG (1 << 6)
-
-#define CPU_RST (1 << 0)
-#define CLK_ENB_CPU (1 << 0)
-#define SWR_TRIG_SYS_RST (1 << 2)
-#define SWR_CSITE_RST (1 << 9)
-
-#define PWRGATE_STATUS_CPU (1 << 0)
-#define PWRGATE_TOGGLE_PARTID_CPU (0 << 0)
-#define PWRGATE_TOGGLE_START (1 << 8)
-
-#define CPU_CMPLX_CPU_BRIDGE_CLKDIV_4 (3 << 0)
-#define CPU_CMPLX_CPU0_CLK_STP_STOP (1 << 8)
-#define CPU_CMPLX_CPU0_CLK_STP_RUN (0 << 8)
-#define CPU_CMPLX_CPU1_CLK_STP_STOP (1 << 9)
-#define CPU_CMPLX_CPU1_CLK_STP_RUN (0 << 9)
-
-#define CPU_CMPLX_CPURESET0 (1 << 0)
-#define CPU_CMPLX_CPURESET1 (1 << 1)
-#define CPU_CMPLX_DERESET0 (1 << 4)
-#define CPU_CMPLX_DERESET1 (1 << 5)
-#define CPU_CMPLX_DBGRESET0 (1 << 12)
-#define CPU_CMPLX_DBGRESET1 (1 << 13)
-
-#define PLLM_OUT1_RSTN_RESET_DISABLE (1 << 0)
-#define PLLM_OUT1_CLKEN_ENABLE (1 << 1)
-#define PLLM_OUT1_RATIO_VAL_8 (8 << 8)
-
-#define SCLK_SYS_STATE_IDLE (1 << 28)
-#define SCLK_SWAKE_FIQ_SRC_PLLM_OUT1 (7 << 12)
-#define SCLK_SWAKE_IRQ_SRC_PLLM_OUT1 (7 << 8)
-#define SCLK_SWAKE_RUN_SRC_PLLM_OUT1 (7 << 4)
-#define SCLK_SWAKE_IDLE_SRC_PLLM_OUT1 (7 << 0)
-
-#define EVENT_ZERO_VAL_20 (20 << 0)
-#define EVENT_MSEC (1 << 24)
-#define EVENT_JTAG (1 << 28)
-#define EVENT_MODE_STOP (2 << 29)
-
-#define CCLK_PLLP_BURST_POLICY 0x20004444
-
-#endif
+++ /dev/null
-#
-# Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
-#
-# (C) Copyright 2000-2008
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-# more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-
-obj-y += clock.o funcmux.o pinmux.o
+++ /dev/null
-/*
- * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* Tegra30 Clock control functions */
-
-#include <common.h>
-#include <errno.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/clk_rst.h>
-#include <asm/arch-tegra/timer.h>
-#include <div64.h>
-#include <fdtdec.h>
-
-/*
- * Clock types that we can use as a source. The Tegra30 has muxes for the
- * peripheral clocks, and in most cases there are four options for the clock
- * source. This gives us a clock 'type' and exploits what commonality exists
- * in the device.
- *
- * Letters are obvious, except for T which means CLK_M, and S which means the
- * clock derived from 32KHz. Beware that CLK_M (also called OSC in the
- * datasheet) and PLL_M are different things. The former is the basic
- * clock supplied to the SOC from an external oscillator. The latter is the
- * memory clock PLL.
- *
- * See definitions in clock_id in the header file.
- */
-enum clock_type_id {
- CLOCK_TYPE_AXPT, /* PLL_A, PLL_X, PLL_P, CLK_M */
- CLOCK_TYPE_MCPA, /* and so on */
- CLOCK_TYPE_MCPT,
- CLOCK_TYPE_PCM,
- CLOCK_TYPE_PCMT,
- CLOCK_TYPE_PCMT16,
- CLOCK_TYPE_PDCT,
- CLOCK_TYPE_ACPT,
- CLOCK_TYPE_ASPTE,
- CLOCK_TYPE_PMDACD2T,
- CLOCK_TYPE_PCST,
-
- CLOCK_TYPE_COUNT,
- CLOCK_TYPE_NONE = -1, /* invalid clock type */
-};
-
-enum {
- CLOCK_MAX_MUX = 8 /* number of source options for each clock */
-};
-
-/*
- * Clock source mux for each clock type. This just converts our enum into
- * a list of mux sources for use by the code.
- *
- * Note:
- * The extra column in each clock source array is used to store the mask
- * bits in its register for the source.
- */
-#define CLK(x) CLOCK_ID_ ## x
-static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX+1] = {
- { CLK(AUDIO), CLK(XCPU), CLK(PERIPH), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(AUDIO),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(NONE),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(PERIPH), CLK(DISPLAY), CLK(CGENERAL), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(AUDIO), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_30},
- { CLK(AUDIO), CLK(SFROM32KHZ), CLK(PERIPH), CLK(OSC),
- CLK(EPCI), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_29},
- { CLK(PERIPH), CLK(MEMORY), CLK(DISPLAY), CLK(AUDIO),
- CLK(CGENERAL), CLK(DISPLAY2), CLK(OSC), CLK(NONE),
- MASK_BITS_31_29},
- { CLK(PERIPH), CLK(CGENERAL), CLK(SFROM32KHZ), CLK(OSC),
- CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
- MASK_BITS_31_28}
-};
-
-/*
- * Clock type for each peripheral clock source. We put the name in each
- * record just so it is easy to match things up
- */
-#define TYPE(name, type) type
-static enum clock_type_id clock_periph_type[PERIPHC_COUNT] = {
- /* 0x00 */
- TYPE(PERIPHC_I2S1, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_I2S2, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_SPDIF_OUT, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_SPDIF_IN, CLOCK_TYPE_PCM),
- TYPE(PERIPHC_PWM, CLOCK_TYPE_PCST), /* only PWM uses b29:28 */
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SBC2, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_SBC3, CLOCK_TYPE_PCMT),
-
- /* 0x08 */
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_I2C1, CLOCK_TYPE_PCMT16),
- TYPE(PERIPHC_DVC_I2C, CLOCK_TYPE_PCMT16),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SBC1, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_DISP1, CLOCK_TYPE_PMDACD2T),
- TYPE(PERIPHC_DISP2, CLOCK_TYPE_PMDACD2T),
-
- /* 0x10 */
- TYPE(PERIPHC_CVE, CLOCK_TYPE_PDCT),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SDMMC1, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_SDMMC2, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_G3D, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_G2D, CLOCK_TYPE_MCPA),
-
- /* 0x18 */
- TYPE(PERIPHC_NDFLASH, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_SDMMC4, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_VFIR, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_EPP, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_MPE, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_MIPI, CLOCK_TYPE_PCMT), /* MIPI base-band HSI */
- TYPE(PERIPHC_UART1, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_UART2, CLOCK_TYPE_PCMT),
-
- /* 0x20 */
- TYPE(PERIPHC_HOST1X, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_TVO, CLOCK_TYPE_PDCT),
- TYPE(PERIPHC_HDMI, CLOCK_TYPE_PMDACD2T),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_TVDAC, CLOCK_TYPE_PDCT),
- TYPE(PERIPHC_I2C2, CLOCK_TYPE_PCMT16),
- TYPE(PERIPHC_EMC, CLOCK_TYPE_MCPT),
-
- /* 0x28 */
- TYPE(PERIPHC_UART3, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SBC4, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_I2C3, CLOCK_TYPE_PCMT16),
- TYPE(PERIPHC_SDMMC3, CLOCK_TYPE_PCMT),
-
- /* 0x30 */
- TYPE(PERIPHC_UART4, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_UART5, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_VDE, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_OWR, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_NOR, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_CSITE, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_I2S0, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
-
- /* 0x38h */ /* Jumps to reg offset 0x3B0h - new for T30 */
- TYPE(PERIPHC_G3D2, CLOCK_TYPE_MCPA),
- TYPE(PERIPHC_MSELECT, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_TSENSOR, CLOCK_TYPE_PCST), /* s/b PCTS */
- TYPE(PERIPHC_I2S3, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_I2S4, CLOCK_TYPE_AXPT),
- TYPE(PERIPHC_I2C4, CLOCK_TYPE_PCMT16),
- TYPE(PERIPHC_SBC5, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_SBC6, CLOCK_TYPE_PCMT),
-
- /* 0x40 */
- TYPE(PERIPHC_AUDIO, CLOCK_TYPE_ACPT),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_DAM0, CLOCK_TYPE_ACPT),
- TYPE(PERIPHC_DAM1, CLOCK_TYPE_ACPT),
- TYPE(PERIPHC_DAM2, CLOCK_TYPE_ACPT),
- TYPE(PERIPHC_HDA2CODEC2X, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_ACTMON, CLOCK_TYPE_PCST), /* MASK 31:30 */
- TYPE(PERIPHC_EXTPERIPH1, CLOCK_TYPE_ASPTE),
-
- /* 0x48 */
- TYPE(PERIPHC_EXTPERIPH2, CLOCK_TYPE_ASPTE),
- TYPE(PERIPHC_EXTPERIPH3, CLOCK_TYPE_ASPTE),
- TYPE(PERIPHC_NANDSPEED, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_I2CSLOW, CLOCK_TYPE_PCST), /* MASK 31:30 */
- TYPE(PERIPHC_SYS, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SPEEDO, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
-
- /* 0x50 */
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
- TYPE(PERIPHC_SATAOOB, CLOCK_TYPE_PCMT), /* offset 0x420h */
- TYPE(PERIPHC_SATA, CLOCK_TYPE_PCMT),
- TYPE(PERIPHC_HDA, CLOCK_TYPE_PCMT),
-};
-
-/*
- * This array translates a periph_id to a periphc_internal_id
- *
- * Not present/matched up:
- * uint vi_sensor; _VI_SENSOR_0, 0x1A8
- * SPDIF - which is both 0x08 and 0x0c
- *
- */
-#define NONE(name) (-1)
-#define OFFSET(name, value) PERIPHC_ ## name
-static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = {
- /* Low word: 31:0 */
- NONE(CPU),
- NONE(COP),
- NONE(TRIGSYS),
- NONE(RESERVED3),
- NONE(RESERVED4),
- NONE(TMR),
- PERIPHC_UART1,
- PERIPHC_UART2, /* and vfir 0x68 */
-
- /* 8 */
- NONE(GPIO),
- PERIPHC_SDMMC2,
- NONE(SPDIF), /* 0x08 and 0x0c, unclear which to use */
- PERIPHC_I2S1,
- PERIPHC_I2C1,
- PERIPHC_NDFLASH,
- PERIPHC_SDMMC1,
- PERIPHC_SDMMC4,
-
- /* 16 */
- NONE(RESERVED16),
- PERIPHC_PWM,
- PERIPHC_I2S2,
- PERIPHC_EPP,
- PERIPHC_VI,
- PERIPHC_G2D,
- NONE(USBD),
- NONE(ISP),
-
- /* 24 */
- PERIPHC_G3D,
- NONE(RESERVED25),
- PERIPHC_DISP2,
- PERIPHC_DISP1,
- PERIPHC_HOST1X,
- NONE(VCP),
- PERIPHC_I2S0,
- NONE(CACHE2),
-
- /* Middle word: 63:32 */
- NONE(MEM),
- NONE(AHBDMA),
- NONE(APBDMA),
- NONE(RESERVED35),
- NONE(RESERVED36),
- NONE(STAT_MON),
- NONE(RESERVED38),
- NONE(RESERVED39),
-
- /* 40 */
- NONE(KFUSE),
- PERIPHC_SBC1,
- PERIPHC_NOR,
- NONE(RESERVED43),
- PERIPHC_SBC2,
- NONE(RESERVED45),
- PERIPHC_SBC3,
- PERIPHC_DVC_I2C,
-
- /* 48 */
- NONE(DSI),
- PERIPHC_TVO, /* also CVE 0x40 */
- PERIPHC_MIPI,
- PERIPHC_HDMI,
- NONE(CSI),
- PERIPHC_TVDAC,
- PERIPHC_I2C2,
- PERIPHC_UART3,
-
- /* 56 */
- NONE(RESERVED56),
- PERIPHC_EMC,
- NONE(USB2),
- NONE(USB3),
- PERIPHC_MPE,
- PERIPHC_VDE,
- NONE(BSEA),
- NONE(BSEV),
-
- /* Upper word 95:64 */
- PERIPHC_SPEEDO,
- PERIPHC_UART4,
- PERIPHC_UART5,
- PERIPHC_I2C3,
- PERIPHC_SBC4,
- PERIPHC_SDMMC3,
- NONE(PCIE),
- PERIPHC_OWR,
-
- /* 72 */
- NONE(AFI),
- PERIPHC_CSITE,
- NONE(PCIEXCLK),
- NONE(AVPUCQ),
- NONE(RESERVED76),
- NONE(RESERVED77),
- NONE(RESERVED78),
- NONE(DTV),
-
- /* 80 */
- PERIPHC_NANDSPEED,
- PERIPHC_I2CSLOW,
- NONE(DSIB),
- NONE(RESERVED83),
- NONE(IRAMA),
- NONE(IRAMB),
- NONE(IRAMC),
- NONE(IRAMD),
-
- /* 88 */
- NONE(CRAM2),
- NONE(RESERVED89),
- NONE(MDOUBLER),
- NONE(RESERVED91),
- NONE(SUSOUT),
- NONE(RESERVED93),
- NONE(RESERVED94),
- NONE(RESERVED95),
-
- /* V word: 31:0 */
- NONE(CPUG),
- NONE(CPULP),
- PERIPHC_G3D2,
- PERIPHC_MSELECT,
- PERIPHC_TSENSOR,
- PERIPHC_I2S3,
- PERIPHC_I2S4,
- PERIPHC_I2C4,
-
- /* 08 */
- PERIPHC_SBC5,
- PERIPHC_SBC6,
- PERIPHC_AUDIO,
- NONE(APBIF),
- PERIPHC_DAM0,
- PERIPHC_DAM1,
- PERIPHC_DAM2,
- PERIPHC_HDA2CODEC2X,
-
- /* 16 */
- NONE(ATOMICS),
- NONE(RESERVED17),
- NONE(RESERVED18),
- NONE(RESERVED19),
- NONE(RESERVED20),
- NONE(RESERVED21),
- NONE(RESERVED22),
- PERIPHC_ACTMON,
-
- /* 24 */
- NONE(RESERVED24),
- NONE(RESERVED25),
- NONE(RESERVED26),
- NONE(RESERVED27),
- PERIPHC_SATA,
- PERIPHC_HDA,
- NONE(RESERVED30),
- NONE(RESERVED31),
-
- /* W word: 31:0 */
- NONE(HDA2HDMICODEC),
- NONE(SATACOLD),
- NONE(RESERVED0_PCIERX0),
- NONE(RESERVED1_PCIERX1),
- NONE(RESERVED2_PCIERX2),
- NONE(RESERVED3_PCIERX3),
- NONE(RESERVED4_PCIERX4),
- NONE(RESERVED5_PCIERX5),
-
- /* 40 */
- NONE(CEC),
- NONE(RESERVED6_PCIE2),
- NONE(RESERVED7_EMC),
- NONE(RESERVED8_HDMI),
- NONE(RESERVED9_SATA),
- NONE(RESERVED10_MIPI),
- NONE(EX_RESERVED46),
- NONE(EX_RESERVED47),
-};
-
-/*
- * Get the oscillator frequency, from the corresponding hardware configuration
- * field. Note that T30 supports 3 new higher freqs, but we map back
- * to the old T20 freqs. Support for the higher oscillators is TBD.
- */
-enum clock_osc_freq clock_get_osc_freq(void)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 reg;
-
- reg = readl(&clkrst->crc_osc_ctrl);
- reg = (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
-
- if (reg & 1) /* one of the newer freqs */
- printf("Warning: OSC_FREQ is unsupported! (%d)\n", reg);
-
- return reg >> 2; /* Map to most common (T20) freqs */
-}
-
-/* Returns a pointer to the clock source register for a peripheral */
-u32 *get_periph_source_reg(enum periph_id periph_id)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- enum periphc_internal_id internal_id;
-
- /* Coresight is a special case */
- if (periph_id == PERIPH_ID_CSI)
- return &clkrst->crc_clk_src[PERIPH_ID_CSI+1];
-
- assert(periph_id >= PERIPH_ID_FIRST && periph_id < PERIPH_ID_COUNT);
- internal_id = periph_id_to_internal_id[periph_id];
- assert(internal_id != -1);
- if (internal_id >= PERIPHC_VW_FIRST) {
- internal_id -= PERIPHC_VW_FIRST;
- return &clkrst->crc_clk_src_vw[internal_id];
- } else
- return &clkrst->crc_clk_src[internal_id];
-}
-
-/**
- * Given a peripheral ID and the required source clock, this returns which
- * value should be programmed into the source mux for that peripheral.
- *
- * There is special code here to handle the one source type with 5 sources.
- *
- * @param periph_id peripheral to start
- * @param source PLL id of required parent clock
- * @param mux_bits Set to number of bits in mux register: 2 or 4
- * @param divider_bits Set to number of divider bits (8 or 16)
- * @return mux value (0-4, or -1 if not found)
- */
-int get_periph_clock_source(enum periph_id periph_id,
- enum clock_id parent, int *mux_bits, int *divider_bits)
-{
- enum clock_type_id type;
- enum periphc_internal_id internal_id;
- int mux;
-
- assert(clock_periph_id_isvalid(periph_id));
-
- internal_id = periph_id_to_internal_id[periph_id];
- assert(periphc_internal_id_isvalid(internal_id));
-
- type = clock_periph_type[internal_id];
- assert(clock_type_id_isvalid(type));
-
- *mux_bits = clock_source[type][CLOCK_MAX_MUX];
-
- if (type == CLOCK_TYPE_PCMT16)
- *divider_bits = 16;
- else
- *divider_bits = 8;
-
- for (mux = 0; mux < CLOCK_MAX_MUX; mux++)
- if (clock_source[type][mux] == parent)
- return mux;
-
- /* if we get here, either us or the caller has made a mistake */
- printf("Caller requested bad clock: periph=%d, parent=%d\n", periph_id,
- parent);
- return -1;
-}
-
-void clock_set_enable(enum periph_id periph_id, int enable)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 *clk;
- u32 reg;
-
- /* Enable/disable the clock to this peripheral */
- assert(clock_periph_id_isvalid(periph_id));
- if ((int)periph_id < (int)PERIPH_ID_VW_FIRST)
- clk = &clkrst->crc_clk_out_enb[PERIPH_REG(periph_id)];
- else
- clk = &clkrst->crc_clk_out_enb_vw[PERIPH_REG(periph_id)];
- reg = readl(clk);
- if (enable)
- reg |= PERIPH_MASK(periph_id);
- else
- reg &= ~PERIPH_MASK(periph_id);
- writel(reg, clk);
-}
-
-void reset_set_enable(enum periph_id periph_id, int enable)
-{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- u32 *reset;
- u32 reg;
-
- /* Enable/disable reset to the peripheral */
- assert(clock_periph_id_isvalid(periph_id));
- if (periph_id < PERIPH_ID_VW_FIRST)
- reset = &clkrst->crc_rst_dev[PERIPH_REG(periph_id)];
- else
- reset = &clkrst->crc_rst_dev_vw[PERIPH_REG(periph_id)];
- reg = readl(reset);
- if (enable)
- reg |= PERIPH_MASK(periph_id);
- else
- reg &= ~PERIPH_MASK(periph_id);
- writel(reg, reset);
-}
-
-#ifdef CONFIG_OF_CONTROL
-/*
- * Convert a device tree clock ID to our peripheral ID. They are mostly
- * the same but we are very cautious so we check that a valid clock ID is
- * provided.
- *
- * @param clk_id Clock ID according to tegra30 device tree binding
- * @return peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid
- */
-enum periph_id clk_id_to_periph_id(int clk_id)
-{
- if (clk_id > PERIPH_ID_COUNT)
- return PERIPH_ID_NONE;
-
- switch (clk_id) {
- case PERIPH_ID_RESERVED3:
- case PERIPH_ID_RESERVED4:
- case PERIPH_ID_RESERVED16:
- case PERIPH_ID_RESERVED24:
- case PERIPH_ID_RESERVED35:
- case PERIPH_ID_RESERVED43:
- case PERIPH_ID_RESERVED45:
- case PERIPH_ID_RESERVED56:
- case PERIPH_ID_PCIEXCLK:
- case PERIPH_ID_RESERVED76:
- case PERIPH_ID_RESERVED77:
- case PERIPH_ID_RESERVED78:
- case PERIPH_ID_RESERVED83:
- case PERIPH_ID_RESERVED89:
- case PERIPH_ID_RESERVED91:
- case PERIPH_ID_RESERVED93:
- case PERIPH_ID_RESERVED94:
- case PERIPH_ID_RESERVED95:
- return PERIPH_ID_NONE;
- default:
- return clk_id;
- }
-}
-#endif /* CONFIG_OF_CONTROL */
-
-void clock_early_init(void)
-{
- tegra30_set_up_pllp();
-}
-
-void arch_timer_init(void)
-{
-}
-
-#define PMC_SATA_PWRGT 0x1ac
-#define PMC_SATA_PWRGT_PLLE_IDDQ_OVERRIDE (1 << 5)
-#define PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL (1 << 4)
-
-#define PLLE_SS_CNTL 0x68
-#define PLLE_SS_CNTL_SSCINCINTRV(x) (((x) & 0x3f) << 24)
-#define PLLE_SS_CNTL_SSCINC(x) (((x) & 0xff) << 16)
-#define PLLE_SS_CNTL_SSCBYP (1 << 12)
-#define PLLE_SS_CNTL_INTERP_RESET (1 << 11)
-#define PLLE_SS_CNTL_BYPASS_SS (1 << 10)
-#define PLLE_SS_CNTL_SSCMAX(x) (((x) & 0x1ff) << 0)
-
-#define PLLE_BASE 0x0e8
-#define PLLE_BASE_ENABLE_CML (1 << 31)
-#define PLLE_BASE_ENABLE (1 << 30)
-#define PLLE_BASE_PLDIV_CML(x) (((x) & 0xf) << 24)
-#define PLLE_BASE_PLDIV(x) (((x) & 0x3f) << 16)
-#define PLLE_BASE_NDIV(x) (((x) & 0xff) << 8)
-#define PLLE_BASE_MDIV(x) (((x) & 0xff) << 0)
-
-#define PLLE_MISC 0x0ec
-#define PLLE_MISC_SETUP_BASE(x) (((x) & 0xffff) << 16)
-#define PLLE_MISC_PLL_READY (1 << 15)
-#define PLLE_MISC_LOCK (1 << 11)
-#define PLLE_MISC_LOCK_ENABLE (1 << 9)
-#define PLLE_MISC_SETUP_EXT(x) (((x) & 0x3) << 2)
-
-static int tegra_plle_train(void)
-{
- unsigned int timeout = 2000;
- unsigned long value;
-
- value = readl(NV_PA_PMC_BASE + PMC_SATA_PWRGT);
- value |= PMC_SATA_PWRGT_PLLE_IDDQ_OVERRIDE;
- writel(value, NV_PA_PMC_BASE + PMC_SATA_PWRGT);
-
- value = readl(NV_PA_PMC_BASE + PMC_SATA_PWRGT);
- value |= PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL;
- writel(value, NV_PA_PMC_BASE + PMC_SATA_PWRGT);
-
- value = readl(NV_PA_PMC_BASE + PMC_SATA_PWRGT);
- value &= ~PMC_SATA_PWRGT_PLLE_IDDQ_OVERRIDE;
- writel(value, NV_PA_PMC_BASE + PMC_SATA_PWRGT);
-
- do {
- value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
- if (value & PLLE_MISC_PLL_READY)
- break;
-
- udelay(100);
- } while (--timeout);
-
- if (timeout == 0) {
- error("timeout waiting for PLLE to become ready");
- return -ETIMEDOUT;
- }
-
- return 0;
-}
-
-int tegra_plle_enable(void)
-{
- unsigned int cpcon = 11, p = 18, n = 150, m = 1, timeout = 1000;
- u32 value;
- int err;
-
- /* disable PLLE clock */
- value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
- value &= ~PLLE_BASE_ENABLE_CML;
- value &= ~PLLE_BASE_ENABLE;
- writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
-
- /* clear lock enable and setup field */
- value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
- value &= ~PLLE_MISC_LOCK_ENABLE;
- value &= ~PLLE_MISC_SETUP_BASE(0xffff);
- value &= ~PLLE_MISC_SETUP_EXT(0x3);
- writel(value, NV_PA_CLK_RST_BASE + PLLE_MISC);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
- if ((value & PLLE_MISC_PLL_READY) == 0) {
- err = tegra_plle_train();
- if (err < 0) {
- error("failed to train PLLE: %d", err);
- return err;
- }
- }
-
- /* configure PLLE */
- value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
-
- value &= ~PLLE_BASE_PLDIV_CML(0x0f);
- value |= PLLE_BASE_PLDIV_CML(cpcon);
-
- value &= ~PLLE_BASE_PLDIV(0x3f);
- value |= PLLE_BASE_PLDIV(p);
-
- value &= ~PLLE_BASE_NDIV(0xff);
- value |= PLLE_BASE_NDIV(n);
-
- value &= ~PLLE_BASE_MDIV(0xff);
- value |= PLLE_BASE_MDIV(m);
-
- writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
- value |= PLLE_MISC_SETUP_BASE(0x7);
- value |= PLLE_MISC_LOCK_ENABLE;
- value |= PLLE_MISC_SETUP_EXT(0);
- writel(value, NV_PA_CLK_RST_BASE + PLLE_MISC);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
- value |= PLLE_SS_CNTL_SSCBYP | PLLE_SS_CNTL_INTERP_RESET |
- PLLE_SS_CNTL_BYPASS_SS;
- writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
- value |= PLLE_BASE_ENABLE_CML | PLLE_BASE_ENABLE;
- writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
-
- do {
- value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
- if (value & PLLE_MISC_LOCK)
- break;
-
- udelay(2);
- } while (--timeout);
-
- if (timeout == 0) {
- error("timeout waiting for PLLE to lock");
- return -ETIMEDOUT;
- }
-
- udelay(50);
-
- value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
- value &= ~PLLE_SS_CNTL_SSCINCINTRV(0x3f);
- value |= PLLE_SS_CNTL_SSCINCINTRV(0x18);
-
- value &= ~PLLE_SS_CNTL_SSCINC(0xff);
- value |= PLLE_SS_CNTL_SSCINC(0x01);
-
- value &= ~PLLE_SS_CNTL_SSCBYP;
- value &= ~PLLE_SS_CNTL_INTERP_RESET;
- value &= ~PLLE_SS_CNTL_BYPASS_SS;
-
- value &= ~PLLE_SS_CNTL_SSCMAX(0x1ff);
- value |= PLLE_SS_CNTL_SSCMAX(0x24);
- writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
-
- return 0;
-}
+++ /dev/null
-/*
- * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* Tegra30 high-level function multiplexing */
-
-#include <common.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/funcmux.h>
-#include <asm/arch/pinmux.h>
-
-int funcmux_select(enum periph_id id, int config)
-{
- int bad_config = config != FUNCMUX_DEFAULT;
-
- switch (id) {
- case PERIPH_ID_UART1:
- switch (config) {
- case FUNCMUX_UART1_ULPI:
- pinmux_set_func(PMUX_PINGRP_ULPI_DATA0_PO1,
- PMUX_FUNC_UARTA);
- pinmux_set_func(PMUX_PINGRP_ULPI_DATA1_PO2,
- PMUX_FUNC_UARTA);
- pinmux_set_func(PMUX_PINGRP_ULPI_DATA2_PO3,
- PMUX_FUNC_UARTA);
- pinmux_set_func(PMUX_PINGRP_ULPI_DATA3_PO4,
- PMUX_FUNC_UARTA);
- pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA0_PO1);
- pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA1_PO2);
- pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA2_PO3);
- pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA3_PO4);
- break;
- }
- break;
-
- /* Add other periph IDs here as needed */
-
- default:
- debug("%s: invalid periph_id %d", __func__, id);
- return -1;
- }
-
- if (bad_config) {
- debug("%s: invalid config %d for periph_id %d", __func__,
- config, id);
- return -1;
- }
- return 0;
-}
+++ /dev/null
-/*
- * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/pinmux.h>
-
-#define PIN(pin, f0, f1, f2, f3) \
- { \
- .funcs = { \
- PMUX_FUNC_##f0, \
- PMUX_FUNC_##f1, \
- PMUX_FUNC_##f2, \
- PMUX_FUNC_##f3, \
- }, \
- }
-
-#define PIN_RESERVED {}
-
-static const struct pmux_pingrp_desc tegra30_pingroups[] = {
- /* pin, f0, f1, f2, f3 */
- /* Offset 0x3000 */
- PIN(ULPI_DATA0_PO1, SPI3, HSI, UARTA, ULPI),
- PIN(ULPI_DATA1_PO2, SPI3, HSI, UARTA, ULPI),
- PIN(ULPI_DATA2_PO3, SPI3, HSI, UARTA, ULPI),
- PIN(ULPI_DATA3_PO4, SPI3, HSI, UARTA, ULPI),
- PIN(ULPI_DATA4_PO5, SPI2, HSI, UARTA, ULPI),
- PIN(ULPI_DATA5_PO6, SPI2, HSI, UARTA, ULPI),
- PIN(ULPI_DATA6_PO7, SPI2, HSI, UARTA, ULPI),
- PIN(ULPI_DATA7_PO0, SPI2, HSI, UARTA, ULPI),
- PIN(ULPI_CLK_PY0, SPI1, RSVD2, UARTD, ULPI),
- PIN(ULPI_DIR_PY1, SPI1, RSVD2, UARTD, ULPI),
- PIN(ULPI_NXT_PY2, SPI1, RSVD2, UARTD, ULPI),
- PIN(ULPI_STP_PY3, SPI1, RSVD2, UARTD, ULPI),
- PIN(DAP3_FS_PP0, I2S2, RSVD2, DISPLAYA, DISPLAYB),
- PIN(DAP3_DIN_PP1, I2S2, RSVD2, DISPLAYA, DISPLAYB),
- PIN(DAP3_DOUT_PP2, I2S2, RSVD2, DISPLAYA, DISPLAYB),
- PIN(DAP3_SCLK_PP3, I2S2, RSVD2, DISPLAYA, DISPLAYB),
- PIN(PV0, RSVD1, RSVD2, RSVD3, RSVD4),
- PIN(PV1, RSVD1, RSVD2, RSVD3, RSVD4),
- PIN(SDMMC1_CLK_PZ0, SDMMC1, RSVD2, RSVD3, UARTA),
- PIN(SDMMC1_CMD_PZ1, SDMMC1, RSVD2, RSVD3, UARTA),
- PIN(SDMMC1_DAT3_PY4, SDMMC1, RSVD2, UARTE, UARTA),
- PIN(SDMMC1_DAT2_PY5, SDMMC1, RSVD2, UARTE, UARTA),
- PIN(SDMMC1_DAT1_PY6, SDMMC1, RSVD2, UARTE, UARTA),
- PIN(SDMMC1_DAT0_PY7, SDMMC1, RSVD2, UARTE, UARTA),
- PIN(PV2, OWR, RSVD2, RSVD3, RSVD4),
- PIN(PV3, CLK_12M_OUT, RSVD2, RSVD3, RSVD4),
- PIN(CLK2_OUT_PW5, EXTPERIPH2, RSVD2, RSVD3, RSVD4),
- PIN(CLK2_REQ_PCC5, DAP, RSVD2, RSVD3, RSVD4),
- PIN(LCD_PWR1_PC1, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_PWR2_PC6, DISPLAYA, DISPLAYB, SPI5, HDCP),
- PIN(LCD_SDIN_PZ2, DISPLAYA, DISPLAYB, SPI5, RSVD4),
- PIN(LCD_SDOUT_PN5, DISPLAYA, DISPLAYB, SPI5, HDCP),
- PIN(LCD_WR_N_PZ3, DISPLAYA, DISPLAYB, SPI5, HDCP),
- PIN(LCD_CS0_N_PN4, DISPLAYA, DISPLAYB, SPI5, RSVD4),
- PIN(LCD_DC0_PN6, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_SCK_PZ4, DISPLAYA, DISPLAYB, SPI5, HDCP),
- PIN(LCD_PWR0_PB2, DISPLAYA, DISPLAYB, SPI5, HDCP),
- PIN(LCD_PCLK_PB3, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_DE_PJ1, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_HSYNC_PJ3, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_VSYNC_PJ4, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D0_PE0, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D1_PE1, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D2_PE2, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D3_PE3, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D4_PE4, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D5_PE5, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D6_PE6, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D7_PE7, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D8_PF0, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D9_PF1, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D10_PF2, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D11_PF3, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D12_PF4, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D13_PF5, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D14_PF6, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D15_PF7, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D16_PM0, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D17_PM1, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D18_PM2, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D19_PM3, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D20_PM4, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D21_PM5, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D22_PM6, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_D23_PM7, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_CS1_N_PW0, DISPLAYA, DISPLAYB, SPI5, RSVD4),
- PIN(LCD_M1_PW1, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(LCD_DC1_PD2, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
- PIN(HDMI_INT_PN7, HDMI, RSVD2, RSVD3, RSVD4),
- PIN(DDC_SCL_PV4, I2C4, RSVD2, RSVD3, RSVD4),
- PIN(DDC_SDA_PV5, I2C4, RSVD2, RSVD3, RSVD4),
- PIN(CRT_HSYNC_PV6, CRT, RSVD2, RSVD3, RSVD4),
- PIN(CRT_VSYNC_PV7, CRT, RSVD2, RSVD3, RSVD4),
- PIN(VI_D0_PT4, DDR, RSVD2, VI, RSVD4),
- PIN(VI_D1_PD5, DDR, SDMMC2, VI, RSVD4),
- PIN(VI_D2_PL0, DDR, SDMMC2, VI, RSVD4),
- PIN(VI_D3_PL1, DDR, SDMMC2, VI, RSVD4),
- PIN(VI_D4_PL2, DDR, SDMMC2, VI, RSVD4),
- PIN(VI_D5_PL3, DDR, SDMMC2, VI, RSVD4),
- PIN(VI_D6_PL4, DDR, SDMMC2, VI, RSVD4),
- PIN(VI_D7_PL5, DDR, SDMMC2, VI, RSVD4),
- PIN(VI_D8_PL6, DDR, SDMMC2, VI, RSVD4),
- PIN(VI_D9_PL7, DDR, SDMMC2, VI, RSVD4),
- PIN(VI_D10_PT2, DDR, RSVD2, VI, RSVD4),
- PIN(VI_D11_PT3, DDR, RSVD2, VI, RSVD4),
- PIN(VI_PCLK_PT0, RSVD1, SDMMC2, VI, RSVD4),
- PIN(VI_MCLK_PT1, VI, VI_ALT1, VI_ALT2, VI_ALT3),
- PIN(VI_VSYNC_PD6, DDR, RSVD2, VI, RSVD4),
- PIN(VI_HSYNC_PD7, DDR, RSVD2, VI, RSVD4),
- PIN(UART2_RXD_PC3, UARTB, SPDIF, UARTA, SPI4),
- PIN(UART2_TXD_PC2, UARTB, SPDIF, UARTA, SPI4),
- PIN(UART2_RTS_N_PJ6, UARTA, UARTB, GMI, SPI4),
- PIN(UART2_CTS_N_PJ5, UARTA, UARTB, GMI, SPI4),
- PIN(UART3_TXD_PW6, UARTC, RSVD2, GMI, RSVD4),
- PIN(UART3_RXD_PW7, UARTC, RSVD2, GMI, RSVD4),
- PIN(UART3_CTS_N_PA1, UARTC, RSVD2, GMI, RSVD4),
- PIN(UART3_RTS_N_PC0, UARTC, PWM0, GMI, RSVD4),
- PIN(PU0, OWR, UARTA, GMI, RSVD4),
- PIN(PU1, RSVD1, UARTA, GMI, RSVD4),
- PIN(PU2, RSVD1, UARTA, GMI, RSVD4),
- PIN(PU3, PWM0, UARTA, GMI, RSVD4),
- PIN(PU4, PWM1, UARTA, GMI, RSVD4),
- PIN(PU5, PWM2, UARTA, GMI, RSVD4),
- PIN(PU6, PWM3, UARTA, GMI, RSVD4),
- PIN(GEN1_I2C_SDA_PC5, I2C1, RSVD2, RSVD3, RSVD4),
- PIN(GEN1_I2C_SCL_PC4, I2C1, RSVD2, RSVD3, RSVD4),
- PIN(DAP4_FS_PP4, I2S3, RSVD2, GMI, RSVD4),
- PIN(DAP4_DIN_PP5, I2S3, RSVD2, GMI, RSVD4),
- PIN(DAP4_DOUT_PP6, I2S3, RSVD2, GMI, RSVD4),
- PIN(DAP4_SCLK_PP7, I2S3, RSVD2, GMI, RSVD4),
- PIN(CLK3_OUT_PEE0, EXTPERIPH3, RSVD2, RSVD3, RSVD4),
- PIN(CLK3_REQ_PEE1, DEV3, RSVD2, RSVD3, RSVD4),
- PIN(GMI_WP_N_PC7, RSVD1, NAND, GMI, GMI_ALT),
- PIN(GMI_IORDY_PI5, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_WAIT_PI7, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_ADV_N_PK0, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_CLK_PK1, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_CS0_N_PJ0, RSVD1, NAND, GMI, DTV),
- PIN(GMI_CS1_N_PJ2, RSVD1, NAND, GMI, DTV),
- PIN(GMI_CS2_N_PK3, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_CS3_N_PK4, RSVD1, NAND, GMI, GMI_ALT),
- PIN(GMI_CS4_N_PK2, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_CS6_N_PI3, NAND, NAND_ALT, GMI, SATA),
- PIN(GMI_CS7_N_PI6, NAND, NAND_ALT, GMI, GMI_ALT),
- PIN(GMI_AD0_PG0, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD1_PG1, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD2_PG2, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD3_PG3, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD4_PG4, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD5_PG5, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD6_PG6, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD7_PG7, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD8_PH0, PWM0, NAND, GMI, RSVD4),
- PIN(GMI_AD9_PH1, PWM1, NAND, GMI, RSVD4),
- PIN(GMI_AD10_PH2, PWM2, NAND, GMI, RSVD4),
- PIN(GMI_AD11_PH3, PWM3, NAND, GMI, RSVD4),
- PIN(GMI_AD12_PH4, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD13_PH5, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD14_PH6, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_AD15_PH7, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_A16_PJ7, UARTD, SPI4, GMI, GMI_ALT),
- PIN(GMI_A17_PB0, UARTD, SPI4, GMI, DTV),
- PIN(GMI_A18_PB1, UARTD, SPI4, GMI, DTV),
- PIN(GMI_A19_PK7, UARTD, SPI4, GMI, RSVD4),
- PIN(GMI_WR_N_PI0, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_OE_N_PI1, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_DQS_PI2, RSVD1, NAND, GMI, RSVD4),
- PIN(GMI_RST_N_PI4, NAND, NAND_ALT, GMI, RSVD4),
- PIN(GEN2_I2C_SCL_PT5, I2C2, HDCP, GMI, RSVD4),
- PIN(GEN2_I2C_SDA_PT6, I2C2, HDCP, GMI, RSVD4),
- PIN(SDMMC4_CLK_PCC4, INVALID, NAND, GMI, SDMMC4),
- PIN(SDMMC4_CMD_PT7, I2C3, NAND, GMI, SDMMC4),
- PIN(SDMMC4_DAT0_PAA0, UARTE, SPI3, GMI, SDMMC4),
- PIN(SDMMC4_DAT1_PAA1, UARTE, SPI3, GMI, SDMMC4),
- PIN(SDMMC4_DAT2_PAA2, UARTE, SPI3, GMI, SDMMC4),
- PIN(SDMMC4_DAT3_PAA3, UARTE, SPI3, GMI, SDMMC4),
- PIN(SDMMC4_DAT4_PAA4, I2C3, I2S4, GMI, SDMMC4),
- PIN(SDMMC4_DAT5_PAA5, VGP3, I2S4, GMI, SDMMC4),
- PIN(SDMMC4_DAT6_PAA6, VGP4, I2S4, GMI, SDMMC4),
- PIN(SDMMC4_DAT7_PAA7, VGP5, I2S4, GMI, SDMMC4),
- PIN(SDMMC4_RST_N_PCC3, VGP6, RSVD2, RSVD3, SDMMC4),
- PIN(CAM_MCLK_PCC0, VI, VI_ALT1, VI_ALT3, SDMMC4),
- PIN(PCC1, I2S4, RSVD2, RSVD3, SDMMC4),
- PIN(PBB0, I2S4, RSVD2, RSVD3, SDMMC4),
- PIN(CAM_I2C_SCL_PBB1, VGP1, I2C3, RSVD3, SDMMC4),
- PIN(CAM_I2C_SDA_PBB2, VGP2, I2C3, RSVD3, SDMMC4),
- PIN(PBB3, VGP3, DISPLAYA, DISPLAYB, SDMMC4),
- PIN(PBB4, VGP4, DISPLAYA, DISPLAYB, SDMMC4),
- PIN(PBB5, VGP5, DISPLAYA, DISPLAYB, SDMMC4),
- PIN(PBB6, VGP6, DISPLAYA, DISPLAYB, SDMMC4),
- PIN(PBB7, I2S4, RSVD2, RSVD3, SDMMC4),
- PIN(PCC2, I2S4, RSVD2, RSVD3, RSVD4),
- PIN(JTAG_RTCK_PU7, RTCK, RSVD2, RSVD3, RSVD4),
- PIN(PWR_I2C_SCL_PZ6, I2CPWR, RSVD2, RSVD3, RSVD4),
- PIN(PWR_I2C_SDA_PZ7, I2CPWR, RSVD2, RSVD3, RSVD4),
- PIN(KB_ROW0_PR0, KBC, NAND, RSVD3, RSVD4),
- PIN(KB_ROW1_PR1, KBC, NAND, RSVD3, RSVD4),
- PIN(KB_ROW2_PR2, KBC, NAND, RSVD3, RSVD4),
- PIN(KB_ROW3_PR3, KBC, NAND, RSVD3, INVALID),
- PIN(KB_ROW4_PR4, KBC, NAND, TRACE, RSVD4),
- PIN(KB_ROW5_PR5, KBC, NAND, TRACE, OWR),
- PIN(KB_ROW6_PR6, KBC, NAND, SDMMC2, MIO),
- PIN(KB_ROW7_PR7, KBC, NAND, SDMMC2, MIO),
- PIN(KB_ROW8_PS0, KBC, NAND, SDMMC2, MIO),
- PIN(KB_ROW9_PS1, KBC, NAND, SDMMC2, MIO),
- PIN(KB_ROW10_PS2, KBC, NAND, SDMMC2, MIO),
- PIN(KB_ROW11_PS3, KBC, NAND, SDMMC2, MIO),
- PIN(KB_ROW12_PS4, KBC, NAND, SDMMC2, MIO),
- PIN(KB_ROW13_PS5, KBC, NAND, SDMMC2, MIO),
- PIN(KB_ROW14_PS6, KBC, NAND, SDMMC2, MIO),
- PIN(KB_ROW15_PS7, KBC, NAND, SDMMC2, MIO),
- PIN(KB_COL0_PQ0, KBC, NAND, TRACE, TEST),
- PIN(KB_COL1_PQ1, KBC, NAND, TRACE, TEST),
- PIN(KB_COL2_PQ2, KBC, NAND, TRACE, RSVD4),
- PIN(KB_COL3_PQ3, KBC, NAND, TRACE, RSVD4),
- PIN(KB_COL4_PQ4, KBC, NAND, TRACE, RSVD4),
- PIN(KB_COL5_PQ5, KBC, NAND, TRACE, RSVD4),
- PIN(KB_COL6_PQ6, KBC, NAND, TRACE, MIO),
- PIN(KB_COL7_PQ7, KBC, NAND, TRACE, MIO),
- PIN(CLK_32K_OUT_PA0, BLINK, RSVD2, RSVD3, RSVD4),
- PIN(SYS_CLK_REQ_PZ5, SYSCLK, RSVD2, RSVD3, RSVD4),
- PIN(CORE_PWR_REQ, CORE_PWR_REQ, RSVD2, RSVD3, RSVD4),
- PIN(CPU_PWR_REQ, CPU_PWR_REQ, RSVD2, RSVD3, RSVD4),
- PIN(PWR_INT_N, PWR_INT_N, RSVD2, RSVD3, RSVD4),
- PIN(CLK_32K_IN, CLK_32K_IN, RSVD2, RSVD3, RSVD4),
- PIN(OWR, OWR, CEC, RSVD3, RSVD4),
- PIN(DAP1_FS_PN0, I2S0, HDA, GMI, SDMMC2),
- PIN(DAP1_DIN_PN1, I2S0, HDA, GMI, SDMMC2),
- PIN(DAP1_DOUT_PN2, I2S0, HDA, GMI, SDMMC2),
- PIN(DAP1_SCLK_PN3, I2S0, HDA, GMI, SDMMC2),
- PIN(CLK1_REQ_PEE2, DAP, HDA, RSVD3, RSVD4),
- PIN(CLK1_OUT_PW4, EXTPERIPH1, RSVD2, RSVD3, RSVD4),
- PIN(SPDIF_IN_PK6, SPDIF, HDA, I2C1, SDMMC2),
- PIN(SPDIF_OUT_PK5, SPDIF, RSVD2, I2C1, SDMMC2),
- PIN(DAP2_FS_PA2, I2S1, HDA, RSVD3, GMI),
- PIN(DAP2_DIN_PA4, I2S1, HDA, RSVD3, GMI),
- PIN(DAP2_DOUT_PA5, I2S1, HDA, RSVD3, GMI),
- PIN(DAP2_SCLK_PA3, I2S1, HDA, RSVD3, GMI),
- PIN(SPI2_MOSI_PX0, SPI6, SPI2, SPI3, GMI),
- PIN(SPI2_MISO_PX1, SPI6, SPI2, SPI3, GMI),
- PIN(SPI2_CS0_N_PX3, SPI6, SPI2, SPI3, GMI),
- PIN(SPI2_SCK_PX2, SPI6, SPI2, SPI3, GMI),
- PIN(SPI1_MOSI_PX4, SPI2, SPI1, SPI2_ALT, GMI),
- PIN(SPI1_SCK_PX5, SPI2, SPI1, SPI2_ALT, GMI),
- PIN(SPI1_CS0_N_PX6, SPI2, SPI1, SPI2_ALT, GMI),
- PIN(SPI1_MISO_PX7, SPI3, SPI1, SPI2_ALT, RSVD4),
- PIN(SPI2_CS1_N_PW2, SPI3, SPI2, SPI2_ALT, I2C1),
- PIN(SPI2_CS2_N_PW3, SPI3, SPI2, SPI2_ALT, I2C1),
- PIN(SDMMC3_CLK_PA6, UARTA, PWM2, SDMMC3, SPI3),
- PIN(SDMMC3_CMD_PA7, UARTA, PWM3, SDMMC3, SPI2),
- PIN(SDMMC3_DAT0_PB7, RSVD1, RSVD2, SDMMC3, SPI3),
- PIN(SDMMC3_DAT1_PB6, RSVD1, RSVD2, SDMMC3, SPI3),
- PIN(SDMMC3_DAT2_PB5, RSVD1, PWM1, SDMMC3, SPI3),
- PIN(SDMMC3_DAT3_PB4, RSVD1, PWM0, SDMMC3, SPI3),
- PIN(SDMMC3_DAT4_PD1, PWM1, SPI4, SDMMC3, SPI2),
- PIN(SDMMC3_DAT5_PD0, PWM0, SPI4, SDMMC3, SPI2),
- PIN(SDMMC3_DAT6_PD3, SPDIF, SPI4, SDMMC3, SPI2),
- PIN(SDMMC3_DAT7_PD4, SPDIF, SPI4, SDMMC3, SPI2),
- PIN(PEX_L0_PRSNT_N_PDD0, PCIE, HDA, RSVD3, RSVD4),
- PIN(PEX_L0_RST_N_PDD1, PCIE, HDA, RSVD3, RSVD4),
- PIN(PEX_L0_CLKREQ_N_PDD2, PCIE, HDA, RSVD3, RSVD4),
- PIN(PEX_WAKE_N_PDD3, PCIE, HDA, RSVD3, RSVD4),
- PIN(PEX_L1_PRSNT_N_PDD4, PCIE, HDA, RSVD3, RSVD4),
- PIN(PEX_L1_RST_N_PDD5, PCIE, HDA, RSVD3, RSVD4),
- PIN(PEX_L1_CLKREQ_N_PDD6, PCIE, HDA, RSVD3, RSVD4),
- PIN(PEX_L2_PRSNT_N_PDD7, PCIE, HDA, RSVD3, RSVD4),
- PIN(PEX_L2_RST_N_PCC6, PCIE, HDA, RSVD3, RSVD4),
- PIN(PEX_L2_CLKREQ_N_PCC7, PCIE, HDA, RSVD3, RSVD4),
- PIN(HDMI_CEC_PEE3, CEC, RSVD2, RSVD3, RSVD4),
-};
-const struct pmux_pingrp_desc *tegra_soc_pingroups = tegra30_pingroups;
--- /dev/null
+if TEGRA
+
+choice
+ prompt "Tegra SoC select"
+
+config TEGRA20
+ bool "Tegra20 family"
+
+config TEGRA30
+ bool "Tegra30 family"
+
+config TEGRA114
+ bool "Tegra114 family"
+
+config TEGRA124
+ bool "Tegra124 family"
+
+endchoice
+
+config SYS_MALLOC_F
+ default y
+
+config SYS_MALLOC_F_LEN
+ default 0x1800
+
+config USE_PRIVATE_LIBGCC
+ default y if SPL_BUILD
+
+config DM
+ default y if !SPL_BUILD
+
+config DM_SERIAL
+ default y if !SPL_BUILD
+
+config DM_SPI
+ default y if !SPL_BUILD
+
+config DM_SPI_FLASH
+ default y if !SPL_BUILD
+
+config DM_I2C
+ default y if !SPL_BUILD
+
+config DM_GPIO
+ default y if !SPL_BUILD
+
+source "arch/arm/mach-tegra/tegra20/Kconfig"
+source "arch/arm/mach-tegra/tegra30/Kconfig"
+source "arch/arm/mach-tegra/tegra114/Kconfig"
+source "arch/arm/mach-tegra/tegra124/Kconfig"
+
+endif
--- /dev/null
+#
+# (C) Copyright 2010,2011 Nvidia Corporation.
+#
+# (C) Copyright 2000-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+ifdef CONFIG_SPL_BUILD
+obj-y += spl.o
+obj-y += cpu.o
+else
+obj-$(CONFIG_CMD_ENTERRCM) += cmd_enterrcm.o
+endif
+
+obj-y += ap.o
+obj-y += board.o
+obj-y += cache.o
+obj-y += clock.o
+obj-y += lowlevel_init.o
+obj-y += pinmux-common.o
+obj-y += powergate.o
+obj-y += xusb-padctl.o
+obj-$(CONFIG_DISPLAY_CPUINFO) += sys_info.o
+obj-$(CONFIG_TEGRA124) += vpr.o
+
+obj-$(CONFIG_TEGRA20) += tegra20/
+obj-$(CONFIG_TEGRA30) += tegra30/
+obj-$(CONFIG_TEGRA114) += tegra114/
+obj-$(CONFIG_TEGRA124) += tegra124/
--- /dev/null
+/*
+* (C) Copyright 2010-2014
+* NVIDIA Corporation <www.nvidia.com>
+*
+ * SPDX-License-Identifier: GPL-2.0+
+*/
+
+/* Tegra AP (Application Processor) code */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/gp_padctrl.h>
+#include <asm/arch-tegra/ap.h>
+#include <asm/arch-tegra/clock.h>
+#include <asm/arch-tegra/fuse.h>
+#include <asm/arch-tegra/pmc.h>
+#include <asm/arch-tegra/scu.h>
+#include <asm/arch-tegra/tegra.h>
+#include <asm/arch-tegra/warmboot.h>
+
+int tegra_get_chip(void)
+{
+ int rev;
+ struct apb_misc_gp_ctlr *gp =
+ (struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
+
+ /*
+ * This is undocumented, Chip ID is bits 15:8 of the register
+ * APB_MISC + 0x804, and has value 0x20 for Tegra20, 0x30 for
+ * Tegra30, 0x35 for T114, and 0x40 for Tegra124.
+ */
+ rev = (readl(&gp->hidrev) & HIDREV_CHIPID_MASK) >> HIDREV_CHIPID_SHIFT;
+ debug("%s: CHIPID is 0x%02X\n", __func__, rev);
+
+ return rev;
+}
+
+int tegra_get_sku_info(void)
+{
+ int sku_id;
+ struct fuse_regs *fuse = (struct fuse_regs *)NV_PA_FUSE_BASE;
+
+ sku_id = readl(&fuse->sku_info) & 0xff;
+ debug("%s: SKU info byte is 0x%02X\n", __func__, sku_id);
+
+ return sku_id;
+}
+
+int tegra_get_chip_sku(void)
+{
+ uint sku_id, chip_id;
+
+ chip_id = tegra_get_chip();
+ sku_id = tegra_get_sku_info();
+
+ switch (chip_id) {
+ case CHIPID_TEGRA20:
+ switch (sku_id) {
+ case SKU_ID_T20_7:
+ case SKU_ID_T20:
+ return TEGRA_SOC_T20;
+ case SKU_ID_T25SE:
+ case SKU_ID_AP25:
+ case SKU_ID_T25:
+ case SKU_ID_AP25E:
+ case SKU_ID_T25E:
+ return TEGRA_SOC_T25;
+ }
+ break;
+ case CHIPID_TEGRA30:
+ switch (sku_id) {
+ case SKU_ID_T33:
+ case SKU_ID_T30:
+ case SKU_ID_TM30MQS_P_A3:
+ default:
+ return TEGRA_SOC_T30;
+ }
+ break;
+ case CHIPID_TEGRA114:
+ switch (sku_id) {
+ case SKU_ID_T114_ENG:
+ case SKU_ID_T114_1:
+ default:
+ return TEGRA_SOC_T114;
+ }
+ break;
+ case CHIPID_TEGRA124:
+ switch (sku_id) {
+ case SKU_ID_T124_ENG:
+ default:
+ return TEGRA_SOC_T124;
+ }
+ break;
+ }
+
+ /* unknown chip/sku id */
+ printf("%s: ERROR: UNKNOWN CHIP/SKU ID COMBO (0x%02X/0x%02X)\n",
+ __func__, chip_id, sku_id);
+ return TEGRA_SOC_UNKNOWN;
+}
+
+static void enable_scu(void)
+{
+ struct scu_ctlr *scu = (struct scu_ctlr *)NV_PA_ARM_PERIPHBASE;
+ u32 reg;
+
+ /* Only enable the SCU on T20/T25 */
+ if (tegra_get_chip() != CHIPID_TEGRA20)
+ return;
+
+ /* If SCU already setup/enabled, return */
+ if (readl(&scu->scu_ctrl) & SCU_CTRL_ENABLE)
+ return;
+
+ /* Invalidate all ways for all processors */
+ writel(0xFFFF, &scu->scu_inv_all);
+
+ /* Enable SCU - bit 0 */
+ reg = readl(&scu->scu_ctrl);
+ reg |= SCU_CTRL_ENABLE;
+ writel(reg, &scu->scu_ctrl);
+}
+
+static u32 get_odmdata(void)
+{
+ /*
+ * ODMDATA is stored in the BCT in IRAM by the BootROM.
+ * The BCT start and size are stored in the BIT in IRAM.
+ * Read the data @ bct_start + (bct_size - 12). This works
+ * on BCTs for currently supported SoCs, which are locked down.
+ * If this changes in new chips, we can revisit this algorithm.
+ */
+
+ u32 bct_start, odmdata;
+
+ bct_start = readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BCTPTR);
+ odmdata = readl(bct_start + BCT_ODMDATA_OFFSET);
+
+ return odmdata;
+}
+
+static void init_pmc_scratch(void)
+{
+ struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 odmdata;
+ int i;
+
+ /* SCRATCH0 is initialized by the boot ROM and shouldn't be cleared */
+ for (i = 0; i < 23; i++)
+ writel(0, &pmc->pmc_scratch1+i);
+
+ /* ODMDATA is for kernel use to determine RAM size, LP config, etc. */
+ odmdata = get_odmdata();
+ writel(odmdata, &pmc->pmc_scratch20);
+}
+
+void s_init(void)
+{
+ /* Init PMC scratch memory */
+ init_pmc_scratch();
+
+ enable_scu();
+
+ /* init the cache */
+ config_cache();
+
+ /* init vpr */
+ config_vpr();
+}
--- /dev/null
+/*
+ * (C) Copyright 2010-2014
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
+#include <asm/arch/mc.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/board.h>
+#include <asm/arch-tegra/pmc.h>
+#include <asm/arch-tegra/sys_proto.h>
+#include <asm/arch-tegra/warmboot.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+enum {
+ /* UARTs which we can enable */
+ UARTA = 1 << 0,
+ UARTB = 1 << 1,
+ UARTC = 1 << 2,
+ UARTD = 1 << 3,
+ UARTE = 1 << 4,
+ UART_COUNT = 5,
+};
+
+/* Read the RAM size directly from the memory controller */
+unsigned int query_sdram_size(void)
+{
+ struct mc_ctlr *const mc = (struct mc_ctlr *)NV_PA_MC_BASE;
+ u32 size_mb;
+
+ size_mb = readl(&mc->mc_emem_cfg);
+#if defined(CONFIG_TEGRA20)
+ debug("mc->mc_emem_cfg (MEM_SIZE_KB) = 0x%08x\n", size_mb);
+ size_mb = get_ram_size((void *)PHYS_SDRAM_1, size_mb * 1024);
+#else
+ debug("mc->mc_emem_cfg (MEM_SIZE_MB) = 0x%08x\n", size_mb);
+ size_mb = get_ram_size((void *)PHYS_SDRAM_1, size_mb * 1024 * 1024);
+#endif
+
+#if defined(CONFIG_TEGRA30) || defined(CONFIG_TEGRA114)
+ /* External memory limited to 2047 MB due to IROM/HI-VEC */
+ if (size_mb == SZ_2G) size_mb -= SZ_1M;
+#endif
+
+ return size_mb;
+}
+
+int dram_init(void)
+{
+ /* We do not initialise DRAM here. We just query the size */
+ gd->ram_size = query_sdram_size();
+ return 0;
+}
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+ printf("Board: %s\n", sysinfo.board_string);
+ return 0;
+}
+#endif /* CONFIG_DISPLAY_BOARDINFO */
+
+static int uart_configs[] = {
+#if defined(CONFIG_TEGRA20)
+ #if defined(CONFIG_TEGRA_UARTA_UAA_UAB)
+ FUNCMUX_UART1_UAA_UAB,
+ #elif defined(CONFIG_TEGRA_UARTA_GPU)
+ FUNCMUX_UART1_GPU,
+ #elif defined(CONFIG_TEGRA_UARTA_SDIO1)
+ FUNCMUX_UART1_SDIO1,
+ #else
+ FUNCMUX_UART1_IRRX_IRTX,
+#endif
+ FUNCMUX_UART2_UAD,
+ -1,
+ FUNCMUX_UART4_GMC,
+ -1,
+#elif defined(CONFIG_TEGRA30)
+ FUNCMUX_UART1_ULPI, /* UARTA */
+ -1,
+ -1,
+ -1,
+ -1,
+#elif defined(CONFIG_TEGRA114)
+ -1,
+ -1,
+ -1,
+ FUNCMUX_UART4_GMI, /* UARTD */
+ -1,
+#else /* Tegra124 */
+ FUNCMUX_UART1_KBC, /* UARTA */
+ -1,
+ -1,
+ FUNCMUX_UART4_GPIO, /* UARTD */
+ -1,
+#endif
+};
+
+/**
+ * Set up the specified uarts
+ *
+ * @param uarts_ids Mask containing UARTs to init (UARTx)
+ */
+static void setup_uarts(int uart_ids)
+{
+ static enum periph_id id_for_uart[] = {
+ PERIPH_ID_UART1,
+ PERIPH_ID_UART2,
+ PERIPH_ID_UART3,
+ PERIPH_ID_UART4,
+ PERIPH_ID_UART5,
+ };
+ size_t i;
+
+ for (i = 0; i < UART_COUNT; i++) {
+ if (uart_ids & (1 << i)) {
+ enum periph_id id = id_for_uart[i];
+
+ funcmux_select(id, uart_configs[i]);
+ clock_ll_start_uart(id);
+ }
+ }
+}
+
+void board_init_uart_f(void)
+{
+ int uart_ids = 0; /* bit mask of which UART ids to enable */
+
+#ifdef CONFIG_TEGRA_ENABLE_UARTA
+ uart_ids |= UARTA;
+#endif
+#ifdef CONFIG_TEGRA_ENABLE_UARTB
+ uart_ids |= UARTB;
+#endif
+#ifdef CONFIG_TEGRA_ENABLE_UARTC
+ uart_ids |= UARTC;
+#endif
+#ifdef CONFIG_TEGRA_ENABLE_UARTD
+ uart_ids |= UARTD;
+#endif
+#ifdef CONFIG_TEGRA_ENABLE_UARTE
+ uart_ids |= UARTE;
+#endif
+ setup_uarts(uart_ids);
+}
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+ /* Enable D-cache. I-cache is already enabled in start.S */
+ dcache_enable();
+}
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2013-2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Tegra cache routines */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch-tegra/ap.h>
+#include <asm/arch/gp_padctrl.h>
+
+void config_cache(void)
+{
+ u32 reg = 0;
+
+ /* enable SMP mode and FW for CPU0, by writing to Auxiliary Ctl reg */
+ asm volatile(
+ "mrc p15, 0, r0, c1, c0, 1\n"
+ "orr r0, r0, #0x41\n"
+ "mcr p15, 0, r0, c1, c0, 1\n");
+
+ /* Currently, only Tegra114+ needs this L2 cache change to boot Linux */
+ if (tegra_get_chip() < CHIPID_TEGRA114)
+ return;
+
+ /*
+ * Systems with an architectural L2 cache must not use the PL310.
+ * Config L2CTLR here for a data RAM latency of 3 cycles.
+ */
+ asm("mrc p15, 1, %0, c9, c0, 2" : : "r" (reg));
+ reg &= ~7;
+ reg |= 2;
+ asm("mcr p15, 1, %0, c9, c0, 2" : : "r" (reg));
+}
--- /dev/null
+/*
+ * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Tegra SoC common clock control functions */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/timer.h>
+#include <div64.h>
+#include <fdtdec.h>
+
+/*
+ * This is our record of the current clock rate of each clock. We don't
+ * fill all of these in since we are only really interested in clocks which
+ * we use as parents.
+ */
+static unsigned pll_rate[CLOCK_ID_COUNT];
+
+/*
+ * The oscillator frequency is fixed to one of four set values. Based on this
+ * the other clocks are set up appropriately.
+ */
+static unsigned osc_freq[CLOCK_OSC_FREQ_COUNT] = {
+ 13000000,
+ 19200000,
+ 12000000,
+ 26000000,
+};
+
+/* return 1 if a peripheral ID is in range */
+#define clock_type_id_isvalid(id) ((id) >= 0 && \
+ (id) < CLOCK_TYPE_COUNT)
+
+char pllp_valid = 1; /* PLLP is set up correctly */
+
+/* return 1 if a periphc_internal_id is in range */
+#define periphc_internal_id_isvalid(id) ((id) >= 0 && \
+ (id) < PERIPHC_COUNT)
+
+/* number of clock outputs of a PLL */
+static const u8 pll_num_clkouts[] = {
+ 1, /* PLLC */
+ 1, /* PLLM */
+ 4, /* PLLP */
+ 1, /* PLLA */
+ 0, /* PLLU */
+ 0, /* PLLD */
+};
+
+int clock_get_osc_bypass(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ reg = readl(&clkrst->crc_osc_ctrl);
+ return (reg & OSC_XOBP_MASK) >> OSC_XOBP_SHIFT;
+}
+
+/* Returns a pointer to the registers of the given pll */
+static struct clk_pll *get_pll(enum clock_id clkid)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+
+ assert(clock_id_is_pll(clkid));
+ return &clkrst->crc_pll[clkid];
+}
+
+int clock_ll_read_pll(enum clock_id clkid, u32 *divm, u32 *divn,
+ u32 *divp, u32 *cpcon, u32 *lfcon)
+{
+ struct clk_pll *pll = get_pll(clkid);
+ u32 data;
+
+ assert(clkid != CLOCK_ID_USB);
+
+ /* Safety check, adds to code size but is small */
+ if (!clock_id_is_pll(clkid) || clkid == CLOCK_ID_USB)
+ return -1;
+ data = readl(&pll->pll_base);
+ *divm = (data & PLL_DIVM_MASK) >> PLL_DIVM_SHIFT;
+ *divn = (data & PLL_DIVN_MASK) >> PLL_DIVN_SHIFT;
+ *divp = (data & PLL_DIVP_MASK) >> PLL_DIVP_SHIFT;
+ data = readl(&pll->pll_misc);
+ *cpcon = (data & PLL_CPCON_MASK) >> PLL_CPCON_SHIFT;
+ *lfcon = (data & PLL_LFCON_MASK) >> PLL_LFCON_SHIFT;
+
+ return 0;
+}
+
+unsigned long clock_start_pll(enum clock_id clkid, u32 divm, u32 divn,
+ u32 divp, u32 cpcon, u32 lfcon)
+{
+ struct clk_pll *pll = get_pll(clkid);
+ u32 data;
+
+ /*
+ * We cheat by treating all PLL (except PLLU) in the same fashion.
+ * This works only because:
+ * - same fields are always mapped at same offsets, except DCCON
+ * - DCCON is always 0, doesn't conflict
+ * - M,N, P of PLLP values are ignored for PLLP
+ */
+ data = (cpcon << PLL_CPCON_SHIFT) | (lfcon << PLL_LFCON_SHIFT);
+ writel(data, &pll->pll_misc);
+
+ data = (divm << PLL_DIVM_SHIFT) | (divn << PLL_DIVN_SHIFT) |
+ (0 << PLL_BYPASS_SHIFT) | (1 << PLL_ENABLE_SHIFT);
+
+ if (clkid == CLOCK_ID_USB)
+ data |= divp << PLLU_VCO_FREQ_SHIFT;
+ else
+ data |= divp << PLL_DIVP_SHIFT;
+ writel(data, &pll->pll_base);
+
+ /* calculate the stable time */
+ return timer_get_us() + CLOCK_PLL_STABLE_DELAY_US;
+}
+
+void clock_ll_set_source_divisor(enum periph_id periph_id, unsigned source,
+ unsigned divisor)
+{
+ u32 *reg = get_periph_source_reg(periph_id);
+ u32 value;
+
+ value = readl(reg);
+
+ value &= ~OUT_CLK_SOURCE_31_30_MASK;
+ value |= source << OUT_CLK_SOURCE_31_30_SHIFT;
+
+ value &= ~OUT_CLK_DIVISOR_MASK;
+ value |= divisor << OUT_CLK_DIVISOR_SHIFT;
+
+ writel(value, reg);
+}
+
+void clock_ll_set_source(enum periph_id periph_id, unsigned source)
+{
+ u32 *reg = get_periph_source_reg(periph_id);
+
+ clrsetbits_le32(reg, OUT_CLK_SOURCE_31_30_MASK,
+ source << OUT_CLK_SOURCE_31_30_SHIFT);
+}
+
+/**
+ * Given the parent's rate and the required rate for the children, this works
+ * out the peripheral clock divider to use, in 7.1 binary format.
+ *
+ * @param divider_bits number of divider bits (8 or 16)
+ * @param parent_rate clock rate of parent clock in Hz
+ * @param rate required clock rate for this clock
+ * @return divider which should be used
+ */
+static int clk_get_divider(unsigned divider_bits, unsigned long parent_rate,
+ unsigned long rate)
+{
+ u64 divider = parent_rate * 2;
+ unsigned max_divider = 1 << divider_bits;
+
+ divider += rate - 1;
+ do_div(divider, rate);
+
+ if ((s64)divider - 2 < 0)
+ return 0;
+
+ if ((s64)divider - 2 >= max_divider)
+ return -1;
+
+ return divider - 2;
+}
+
+int clock_set_pllout(enum clock_id clkid, enum pll_out_id pllout, unsigned rate)
+{
+ struct clk_pll *pll = get_pll(clkid);
+ int data = 0, div = 0, offset = 0;
+
+ if (!clock_id_is_pll(clkid))
+ return -1;
+
+ if (pllout + 1 > pll_num_clkouts[clkid])
+ return -1;
+
+ div = clk_get_divider(8, pll_rate[clkid], rate);
+
+ if (div < 0)
+ return -1;
+
+ /* out2 and out4 are in the high part of the register */
+ if (pllout == PLL_OUT2 || pllout == PLL_OUT4)
+ offset = 16;
+
+ data = (div << PLL_OUT_RATIO_SHIFT) |
+ PLL_OUT_OVRRIDE | PLL_OUT_CLKEN | PLL_OUT_RSTN;
+ clrsetbits_le32(&pll->pll_out[pllout >> 1],
+ PLL_OUT_RATIO_MASK << offset, data << offset);
+
+ return 0;
+}
+
+/**
+ * Given the parent's rate and the divider in 7.1 format, this works out the
+ * resulting peripheral clock rate.
+ *
+ * @param parent_rate clock rate of parent clock in Hz
+ * @param divider which should be used in 7.1 format
+ * @return effective clock rate of peripheral
+ */
+static unsigned long get_rate_from_divider(unsigned long parent_rate,
+ int divider)
+{
+ u64 rate;
+
+ rate = (u64)parent_rate * 2;
+ do_div(rate, divider + 2);
+ return rate;
+}
+
+unsigned long clock_get_periph_rate(enum periph_id periph_id,
+ enum clock_id parent)
+{
+ u32 *reg = get_periph_source_reg(periph_id);
+
+ return get_rate_from_divider(pll_rate[parent],
+ (readl(reg) & OUT_CLK_DIVISOR_MASK) >> OUT_CLK_DIVISOR_SHIFT);
+}
+
+/**
+ * Find the best available 7.1 format divisor given a parent clock rate and
+ * required child clock rate. This function assumes that a second-stage
+ * divisor is available which can divide by powers of 2 from 1 to 256.
+ *
+ * @param divider_bits number of divider bits (8 or 16)
+ * @param parent_rate clock rate of parent clock in Hz
+ * @param rate required clock rate for this clock
+ * @param extra_div value for the second-stage divisor (not set if this
+ * function returns -1.
+ * @return divider which should be used, or -1 if nothing is valid
+ *
+ */
+static int find_best_divider(unsigned divider_bits, unsigned long parent_rate,
+ unsigned long rate, int *extra_div)
+{
+ int shift;
+ int best_divider = -1;
+ int best_error = rate;
+
+ /* try dividers from 1 to 256 and find closest match */
+ for (shift = 0; shift <= 8 && best_error > 0; shift++) {
+ unsigned divided_parent = parent_rate >> shift;
+ int divider = clk_get_divider(divider_bits, divided_parent,
+ rate);
+ unsigned effective_rate = get_rate_from_divider(divided_parent,
+ divider);
+ int error = rate - effective_rate;
+
+ /* Given a valid divider, look for the lowest error */
+ if (divider != -1 && error < best_error) {
+ best_error = error;
+ *extra_div = 1 << shift;
+ best_divider = divider;
+ }
+ }
+
+ /* return what we found - *extra_div will already be set */
+ return best_divider;
+}
+
+/**
+ * Adjust peripheral PLL to use the given divider and source.
+ *
+ * @param periph_id peripheral to adjust
+ * @param source Source number (0-3 or 0-7)
+ * @param mux_bits Number of mux bits (2 or 4)
+ * @param divider Required divider in 7.1 or 15.1 format
+ * @return 0 if ok, -1 on error (requesting a parent clock which is not valid
+ * for this peripheral)
+ */
+static int adjust_periph_pll(enum periph_id periph_id, int source,
+ int mux_bits, unsigned divider)
+{
+ u32 *reg = get_periph_source_reg(periph_id);
+
+ clrsetbits_le32(reg, OUT_CLK_DIVISOR_MASK,
+ divider << OUT_CLK_DIVISOR_SHIFT);
+ udelay(1);
+
+ /* work out the source clock and set it */
+ if (source < 0)
+ return -1;
+
+ switch (mux_bits) {
+ case MASK_BITS_31_30:
+ clrsetbits_le32(reg, OUT_CLK_SOURCE_31_30_MASK,
+ source << OUT_CLK_SOURCE_31_30_SHIFT);
+ break;
+
+ case MASK_BITS_31_29:
+ clrsetbits_le32(reg, OUT_CLK_SOURCE_31_29_MASK,
+ source << OUT_CLK_SOURCE_31_29_SHIFT);
+ break;
+
+ case MASK_BITS_31_28:
+ clrsetbits_le32(reg, OUT_CLK_SOURCE_31_28_MASK,
+ source << OUT_CLK_SOURCE_31_28_SHIFT);
+ break;
+
+ default:
+ return -1;
+ }
+
+ udelay(2);
+ return 0;
+}
+
+unsigned clock_adjust_periph_pll_div(enum periph_id periph_id,
+ enum clock_id parent, unsigned rate, int *extra_div)
+{
+ unsigned effective_rate;
+ int mux_bits, divider_bits, source;
+ int divider;
+ int xdiv = 0;
+
+ /* work out the source clock and set it */
+ source = get_periph_clock_source(periph_id, parent, &mux_bits,
+ ÷r_bits);
+
+ divider = find_best_divider(divider_bits, pll_rate[parent],
+ rate, &xdiv);
+ if (extra_div)
+ *extra_div = xdiv;
+
+ assert(divider >= 0);
+ if (adjust_periph_pll(periph_id, source, mux_bits, divider))
+ return -1U;
+ debug("periph %d, rate=%d, reg=%p = %x\n", periph_id, rate,
+ get_periph_source_reg(periph_id),
+ readl(get_periph_source_reg(periph_id)));
+
+ /* Check what we ended up with. This shouldn't matter though */
+ effective_rate = clock_get_periph_rate(periph_id, parent);
+ if (extra_div)
+ effective_rate /= *extra_div;
+ if (rate != effective_rate)
+ debug("Requested clock rate %u not honored (got %u)\n",
+ rate, effective_rate);
+ return effective_rate;
+}
+
+unsigned clock_start_periph_pll(enum periph_id periph_id,
+ enum clock_id parent, unsigned rate)
+{
+ unsigned effective_rate;
+
+ reset_set_enable(periph_id, 1);
+ clock_enable(periph_id);
+
+ effective_rate = clock_adjust_periph_pll_div(periph_id, parent, rate,
+ NULL);
+
+ reset_set_enable(periph_id, 0);
+ return effective_rate;
+}
+
+void clock_enable(enum periph_id clkid)
+{
+ clock_set_enable(clkid, 1);
+}
+
+void clock_disable(enum periph_id clkid)
+{
+ clock_set_enable(clkid, 0);
+}
+
+void reset_periph(enum periph_id periph_id, int us_delay)
+{
+ /* Put peripheral into reset */
+ reset_set_enable(periph_id, 1);
+ udelay(us_delay);
+
+ /* Remove reset */
+ reset_set_enable(periph_id, 0);
+
+ udelay(us_delay);
+}
+
+void reset_cmplx_set_enable(int cpu, int which, int reset)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 mask;
+
+ /* Form the mask, which depends on the cpu chosen (2 or 4) */
+ assert(cpu >= 0 && cpu < MAX_NUM_CPU);
+ mask = which << cpu;
+
+ /* either enable or disable those reset for that CPU */
+ if (reset)
+ writel(mask, &clkrst->crc_cpu_cmplx_set);
+ else
+ writel(mask, &clkrst->crc_cpu_cmplx_clr);
+}
+
+unsigned clock_get_rate(enum clock_id clkid)
+{
+ struct clk_pll *pll;
+ u32 base;
+ u32 divm;
+ u64 parent_rate;
+ u64 rate;
+
+ parent_rate = osc_freq[clock_get_osc_freq()];
+ if (clkid == CLOCK_ID_OSC)
+ return parent_rate;
+
+ pll = get_pll(clkid);
+ base = readl(&pll->pll_base);
+
+ /* Oh for bf_unpack()... */
+ rate = parent_rate * ((base & PLL_DIVN_MASK) >> PLL_DIVN_SHIFT);
+ divm = (base & PLL_DIVM_MASK) >> PLL_DIVM_SHIFT;
+ if (clkid == CLOCK_ID_USB)
+ divm <<= (base & PLLU_VCO_FREQ_MASK) >> PLLU_VCO_FREQ_SHIFT;
+ else
+ divm <<= (base & PLL_DIVP_MASK) >> PLL_DIVP_SHIFT;
+ do_div(rate, divm);
+ return rate;
+}
+
+/**
+ * Set the output frequency you want for each PLL clock.
+ * PLL output frequencies are programmed by setting their N, M and P values.
+ * The governing equations are:
+ * VCO = (Fi / m) * n, Fo = VCO / (2^p)
+ * where Fo is the output frequency from the PLL.
+ * Example: Set the output frequency to 216Mhz(Fo) with 12Mhz OSC(Fi)
+ * 216Mhz = ((12Mhz / m) * n) / (2^p) so n=432,m=12,p=1
+ * Please see Tegra TRM section 5.3 to get the detail for PLL Programming
+ *
+ * @param n PLL feedback divider(DIVN)
+ * @param m PLL input divider(DIVN)
+ * @param p post divider(DIVP)
+ * @param cpcon base PLL charge pump(CPCON)
+ * @return 0 if ok, -1 on error (the requested PLL is incorrect and cannot
+ * be overriden), 1 if PLL is already correct
+ */
+int clock_set_rate(enum clock_id clkid, u32 n, u32 m, u32 p, u32 cpcon)
+{
+ u32 base_reg;
+ u32 misc_reg;
+ struct clk_pll *pll;
+
+ pll = get_pll(clkid);
+
+ base_reg = readl(&pll->pll_base);
+
+ /* Set BYPASS, m, n and p to PLL_BASE */
+ base_reg &= ~PLL_DIVM_MASK;
+ base_reg |= m << PLL_DIVM_SHIFT;
+
+ base_reg &= ~PLL_DIVN_MASK;
+ base_reg |= n << PLL_DIVN_SHIFT;
+
+ base_reg &= ~PLL_DIVP_MASK;
+ base_reg |= p << PLL_DIVP_SHIFT;
+
+ if (clkid == CLOCK_ID_PERIPH) {
+ /*
+ * If the PLL is already set up, check that it is correct
+ * and record this info for clock_verify() to check.
+ */
+ if (base_reg & PLL_BASE_OVRRIDE_MASK) {
+ base_reg |= PLL_ENABLE_MASK;
+ if (base_reg != readl(&pll->pll_base))
+ pllp_valid = 0;
+ return pllp_valid ? 1 : -1;
+ }
+ base_reg |= PLL_BASE_OVRRIDE_MASK;
+ }
+
+ base_reg |= PLL_BYPASS_MASK;
+ writel(base_reg, &pll->pll_base);
+
+ /* Set cpcon to PLL_MISC */
+ misc_reg = readl(&pll->pll_misc);
+ misc_reg &= ~PLL_CPCON_MASK;
+ misc_reg |= cpcon << PLL_CPCON_SHIFT;
+ writel(misc_reg, &pll->pll_misc);
+
+ /* Enable PLL */
+ base_reg |= PLL_ENABLE_MASK;
+ writel(base_reg, &pll->pll_base);
+
+ /* Disable BYPASS */
+ base_reg &= ~PLL_BYPASS_MASK;
+ writel(base_reg, &pll->pll_base);
+
+ return 0;
+}
+
+void clock_ll_start_uart(enum periph_id periph_id)
+{
+ /* Assert UART reset and enable clock */
+ reset_set_enable(periph_id, 1);
+ clock_enable(periph_id);
+ clock_ll_set_source(periph_id, 0); /* UARTx_CLK_SRC = 00, PLLP_OUT0 */
+
+ /* wait for 2us */
+ udelay(2);
+
+ /* De-assert reset to UART */
+ reset_set_enable(periph_id, 0);
+}
+
+#ifdef CONFIG_OF_CONTROL
+int clock_decode_periph_id(const void *blob, int node)
+{
+ enum periph_id id;
+ u32 cell[2];
+ int err;
+
+ err = fdtdec_get_int_array(blob, node, "clocks", cell,
+ ARRAY_SIZE(cell));
+ if (err)
+ return -1;
+ id = clk_id_to_periph_id(cell[1]);
+ assert(clock_periph_id_isvalid(id));
+ return id;
+}
+#endif /* CONFIG_OF_CONTROL */
+
+int clock_verify(void)
+{
+ struct clk_pll *pll = get_pll(CLOCK_ID_PERIPH);
+ u32 reg = readl(&pll->pll_base);
+
+ if (!pllp_valid) {
+ printf("Warning: PLLP %x is not correct\n", reg);
+ return -1;
+ }
+ debug("PLLP %x is correct\n", reg);
+ return 0;
+}
+
+void clock_init(void)
+{
+ pll_rate[CLOCK_ID_MEMORY] = clock_get_rate(CLOCK_ID_MEMORY);
+ pll_rate[CLOCK_ID_PERIPH] = clock_get_rate(CLOCK_ID_PERIPH);
+ pll_rate[CLOCK_ID_CGENERAL] = clock_get_rate(CLOCK_ID_CGENERAL);
+ pll_rate[CLOCK_ID_OSC] = clock_get_rate(CLOCK_ID_OSC);
+ pll_rate[CLOCK_ID_SFROM32KHZ] = 32768;
+ pll_rate[CLOCK_ID_XCPU] = clock_get_rate(CLOCK_ID_XCPU);
+ debug("Osc = %d\n", pll_rate[CLOCK_ID_OSC]);
+ debug("PLLM = %d\n", pll_rate[CLOCK_ID_MEMORY]);
+ debug("PLLP = %d\n", pll_rate[CLOCK_ID_PERIPH]);
+ debug("PLLC = %d\n", pll_rate[CLOCK_ID_CGENERAL]);
+ debug("PLLX = %d\n", pll_rate[CLOCK_ID_XCPU]);
+
+ /* Do any special system timer/TSC setup */
+ arch_timer_init();
+}
+
+static void set_avp_clock_source(u32 src)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 val;
+
+ val = (src << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT) |
+ (src << SCLK_SWAKEUP_IRQ_SOURCE_SHIFT) |
+ (src << SCLK_SWAKEUP_RUN_SOURCE_SHIFT) |
+ (src << SCLK_SWAKEUP_IDLE_SOURCE_SHIFT) |
+ (SCLK_SYS_STATE_RUN << SCLK_SYS_STATE_SHIFT);
+ writel(val, &clkrst->crc_sclk_brst_pol);
+ udelay(3);
+}
+
+/*
+ * This function is useful on Tegra30, and any later SoCs that have compatible
+ * PLLP configuration registers.
+ */
+void tegra30_set_up_pllp(void)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ /*
+ * Based on the Tegra TRM, the system clock (which is the AVP clock) can
+ * run up to 275MHz. On power on, the default sytem clock source is set
+ * to PLLP_OUT0. This function sets PLLP's (hence PLLP_OUT0's) rate to
+ * 408MHz which is beyond system clock's upper limit.
+ *
+ * The fix is to set the system clock to CLK_M before initializing PLLP,
+ * and then switch back to PLLP_OUT4, which has an appropriate divider
+ * configured, after PLLP has been configured
+ */
+ set_avp_clock_source(SCLK_SOURCE_CLKM);
+
+ /*
+ * PLLP output frequency set to 408Mhz
+ * PLLC output frequency set to 228Mhz
+ */
+ switch (clock_get_osc_freq()) {
+ case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */
+ clock_set_rate(CLOCK_ID_PERIPH, 408, 12, 0, 8);
+ clock_set_rate(CLOCK_ID_CGENERAL, 456, 12, 1, 8);
+ break;
+
+ case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */
+ clock_set_rate(CLOCK_ID_PERIPH, 408, 26, 0, 8);
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 26, 0, 8);
+ break;
+
+ case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */
+ clock_set_rate(CLOCK_ID_PERIPH, 408, 13, 0, 8);
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 13, 0, 8);
+ break;
+ case CLOCK_OSC_FREQ_19_2:
+ default:
+ /*
+ * These are not supported. It is too early to print a
+ * message and the UART likely won't work anyway due to the
+ * oscillator being wrong.
+ */
+ break;
+ }
+
+ /* Set PLLP_OUT1, 2, 3 & 4 freqs to 9.6, 48, 102 & 204MHz */
+
+ /* OUT1, 2 */
+ /* Assert RSTN before enable */
+ reg = PLLP_OUT2_RSTN_EN | PLLP_OUT1_RSTN_EN;
+ writel(reg, &clkrst->crc_pll[CLOCK_ID_PERIPH].pll_out[0]);
+ /* Set divisor and reenable */
+ reg = (IN_408_OUT_48_DIVISOR << PLLP_OUT2_RATIO)
+ | PLLP_OUT2_OVR | PLLP_OUT2_CLKEN | PLLP_OUT2_RSTN_DIS
+ | (IN_408_OUT_9_6_DIVISOR << PLLP_OUT1_RATIO)
+ | PLLP_OUT1_OVR | PLLP_OUT1_CLKEN | PLLP_OUT1_RSTN_DIS;
+ writel(reg, &clkrst->crc_pll[CLOCK_ID_PERIPH].pll_out[0]);
+
+ /* OUT3, 4 */
+ /* Assert RSTN before enable */
+ reg = PLLP_OUT4_RSTN_EN | PLLP_OUT3_RSTN_EN;
+ writel(reg, &clkrst->crc_pll[CLOCK_ID_PERIPH].pll_out[1]);
+ /* Set divisor and reenable */
+ reg = (IN_408_OUT_204_DIVISOR << PLLP_OUT4_RATIO)
+ | PLLP_OUT4_OVR | PLLP_OUT4_CLKEN | PLLP_OUT4_RSTN_DIS
+ | (IN_408_OUT_102_DIVISOR << PLLP_OUT3_RATIO)
+ | PLLP_OUT3_OVR | PLLP_OUT3_CLKEN | PLLP_OUT3_RSTN_DIS;
+ writel(reg, &clkrst->crc_pll[CLOCK_ID_PERIPH].pll_out[1]);
+
+ set_avp_clock_source(SCLK_SOURCE_PLLP_OUT4);
+}
--- /dev/null
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * Derived from code (arch/arm/lib/reset.c) that is:
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * (C) Copyright 2004
+ * DAVE Srl
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * (C) Copyright 2004 Texas Insturments
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/pmc.h>
+
+static int do_enterrcm(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+ puts("Entering RCM...\n");
+ udelay(50000);
+
+ pmc->pmc_scratch0 = 2;
+ disable_interrupts();
+ reset_cpu(0);
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ enterrcm, 1, 0, do_enterrcm,
+ "reset Tegra and enter USB Recovery Mode",
+ ""
+);
--- /dev/null
+/*
+ * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/gp_padctrl.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/pmc.h>
+#include <asm/arch-tegra/scu.h>
+#include "cpu.h"
+
+int get_num_cpus(void)
+{
+ struct apb_misc_gp_ctlr *gp;
+ uint rev;
+
+ gp = (struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
+ rev = (readl(&gp->hidrev) & HIDREV_CHIPID_MASK) >> HIDREV_CHIPID_SHIFT;
+
+ switch (rev) {
+ case CHIPID_TEGRA20:
+ return 2;
+ break;
+ case CHIPID_TEGRA30:
+ case CHIPID_TEGRA114:
+ default:
+ return 4;
+ break;
+ }
+}
+
+/*
+ * Timing tables for each SOC for all four oscillator options.
+ */
+struct clk_pll_table tegra_pll_x_table[TEGRA_SOC_CNT][CLOCK_OSC_FREQ_COUNT] = {
+ /*
+ * T20: 1 GHz
+ *
+ * Register Field Bits Width
+ * ------------------------------
+ * PLLX_BASE p 22:20 3
+ * PLLX_BASE n 17: 8 10
+ * PLLX_BASE m 4: 0 5
+ * PLLX_MISC cpcon 11: 8 4
+ */
+ {
+ { .n = 1000, .m = 13, .p = 0, .cpcon = 12 }, /* OSC: 13.0 MHz */
+ { .n = 625, .m = 12, .p = 0, .cpcon = 8 }, /* OSC: 19.2 MHz */
+ { .n = 1000, .m = 12, .p = 0, .cpcon = 12 }, /* OSC: 12.0 MHz */
+ { .n = 1000, .m = 26, .p = 0, .cpcon = 12 }, /* OSC: 26.0 MHz */
+ },
+ /*
+ * T25: 1.2 GHz
+ *
+ * Register Field Bits Width
+ * ------------------------------
+ * PLLX_BASE p 22:20 3
+ * PLLX_BASE n 17: 8 10
+ * PLLX_BASE m 4: 0 5
+ * PLLX_MISC cpcon 11: 8 4
+ */
+ {
+ { .n = 923, .m = 10, .p = 0, .cpcon = 12 }, /* OSC: 13.0 MHz */
+ { .n = 750, .m = 12, .p = 0, .cpcon = 8 }, /* OSC: 19.2 MHz */
+ { .n = 600, .m = 6, .p = 0, .cpcon = 12 }, /* OSC: 12.0 MHz */
+ { .n = 600, .m = 13, .p = 0, .cpcon = 12 }, /* OSC: 26.0 MHz */
+ },
+ /*
+ * T30: 600 MHz
+ *
+ * Register Field Bits Width
+ * ------------------------------
+ * PLLX_BASE p 22:20 3
+ * PLLX_BASE n 17: 8 10
+ * PLLX_BASE m 4: 0 5
+ * PLLX_MISC cpcon 11: 8 4
+ */
+ {
+ { .n = 600, .m = 13, .p = 0, .cpcon = 8 }, /* OSC: 13.0 MHz */
+ { .n = 500, .m = 16, .p = 0, .cpcon = 8 }, /* OSC: 19.2 MHz */
+ { .n = 600, .m = 12, .p = 0, .cpcon = 8 }, /* OSC: 12.0 MHz */
+ { .n = 600, .m = 26, .p = 0, .cpcon = 8 }, /* OSC: 26.0 MHz */
+ },
+ /*
+ * T114: 700 MHz
+ *
+ * Register Field Bits Width
+ * ------------------------------
+ * PLLX_BASE p 23:20 4
+ * PLLX_BASE n 15: 8 8
+ * PLLX_BASE m 7: 0 8
+ */
+ {
+ { .n = 108, .m = 1, .p = 1 }, /* OSC: 13.0 MHz */
+ { .n = 73, .m = 1, .p = 1 }, /* OSC: 19.2 MHz */
+ { .n = 116, .m = 1, .p = 1 }, /* OSC: 12.0 MHz */
+ { .n = 108, .m = 2, .p = 1 }, /* OSC: 26.0 MHz */
+ },
+
+ /*
+ * T124: 700 MHz
+ *
+ * Register Field Bits Width
+ * ------------------------------
+ * PLLX_BASE p 23:20 4
+ * PLLX_BASE n 15: 8 8
+ * PLLX_BASE m 7: 0 8
+ */
+ {
+ { .n = 108, .m = 1, .p = 1 }, /* OSC: 13.0 MHz */
+ { .n = 73, .m = 1, .p = 1 }, /* OSC: 19.2 MHz */
+ { .n = 116, .m = 1, .p = 1 }, /* OSC: 12.0 MHz */
+ { .n = 108, .m = 2, .p = 1 }, /* OSC: 26.0 MHz */
+ },
+};
+
+static inline void pllx_set_iddq(void)
+{
+#if defined(CONFIG_TEGRA124)
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ /* Disable IDDQ */
+ reg = readl(&clkrst->crc_pllx_misc3);
+ reg &= ~PLLX_IDDQ_MASK;
+ writel(reg, &clkrst->crc_pllx_misc3);
+ udelay(2);
+ debug("%s: IDDQ: PLLX IDDQ = 0x%08X\n", __func__,
+ readl(&clkrst->crc_pllx_misc3));
+#endif
+}
+
+int pllx_set_rate(struct clk_pll_simple *pll , u32 divn, u32 divm,
+ u32 divp, u32 cpcon)
+{
+ int chip = tegra_get_chip();
+ u32 reg;
+
+ /* If PLLX is already enabled, just return */
+ if (readl(&pll->pll_base) & PLL_ENABLE_MASK) {
+ debug("pllx_set_rate: PLLX already enabled, returning\n");
+ return 0;
+ }
+
+ debug(" pllx_set_rate entry\n");
+
+ pllx_set_iddq();
+
+ /* Set BYPASS, m, n and p to PLLX_BASE */
+ reg = PLL_BYPASS_MASK | (divm << PLL_DIVM_SHIFT);
+ reg |= ((divn << PLL_DIVN_SHIFT) | (divp << PLL_DIVP_SHIFT));
+ writel(reg, &pll->pll_base);
+
+ /* Set cpcon to PLLX_MISC */
+ if (chip == CHIPID_TEGRA20 || chip == CHIPID_TEGRA30)
+ reg = (cpcon << PLL_CPCON_SHIFT);
+ else
+ reg = 0;
+
+ /* Set dccon to PLLX_MISC if freq > 600MHz */
+ if (divn > 600)
+ reg |= (1 << PLL_DCCON_SHIFT);
+ writel(reg, &pll->pll_misc);
+
+ /* Disable BYPASS */
+ reg = readl(&pll->pll_base);
+ reg &= ~PLL_BYPASS_MASK;
+ writel(reg, &pll->pll_base);
+ debug("pllx_set_rate: base = 0x%08X\n", reg);
+
+ /* Set lock_enable to PLLX_MISC */
+ reg = readl(&pll->pll_misc);
+ reg |= PLL_LOCK_ENABLE_MASK;
+ writel(reg, &pll->pll_misc);
+ debug("pllx_set_rate: misc = 0x%08X\n", reg);
+
+ /* Enable PLLX last, once it's all configured */
+ reg = readl(&pll->pll_base);
+ reg |= PLL_ENABLE_MASK;
+ writel(reg, &pll->pll_base);
+ debug("pllx_set_rate: base final = 0x%08X\n", reg);
+
+ return 0;
+}
+
+void init_pllx(void)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ struct clk_pll_simple *pll = &clkrst->crc_pll_simple[SIMPLE_PLLX];
+ int soc_type, sku_info, chip_sku;
+ enum clock_osc_freq osc;
+ struct clk_pll_table *sel;
+
+ debug("init_pllx entry\n");
+
+ /* get SOC (chip) type */
+ soc_type = tegra_get_chip();
+ debug(" init_pllx: SoC = 0x%02X\n", soc_type);
+
+ /* get SKU info */
+ sku_info = tegra_get_sku_info();
+ debug(" init_pllx: SKU info byte = 0x%02X\n", sku_info);
+
+ /* get chip SKU, combo of the above info */
+ chip_sku = tegra_get_chip_sku();
+ debug(" init_pllx: Chip SKU = %d\n", chip_sku);
+
+ /* get osc freq */
+ osc = clock_get_osc_freq();
+ debug(" init_pllx: osc = %d\n", osc);
+
+ /* set pllx */
+ sel = &tegra_pll_x_table[chip_sku][osc];
+ pllx_set_rate(pll, sel->n, sel->m, sel->p, sel->cpcon);
+}
+
+void enable_cpu_clock(int enable)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 clk;
+
+ /*
+ * NOTE:
+ * Regardless of whether the request is to enable or disable the CPU
+ * clock, every processor in the CPU complex except the master (CPU 0)
+ * will have it's clock stopped because the AVP only talks to the
+ * master.
+ */
+
+ if (enable) {
+ /* Initialize PLLX */
+ init_pllx();
+
+ /* Wait until all clocks are stable */
+ udelay(PLL_STABILIZATION_DELAY);
+
+ writel(CCLK_BURST_POLICY, &clkrst->crc_cclk_brst_pol);
+ writel(SUPER_CCLK_DIVIDER, &clkrst->crc_super_cclk_div);
+ }
+
+ /*
+ * Read the register containing the individual CPU clock enables and
+ * always stop the clocks to CPUs > 0.
+ */
+ clk = readl(&clkrst->crc_clk_cpu_cmplx);
+ clk |= 1 << CPU1_CLK_STP_SHIFT;
+ if (get_num_cpus() == 4)
+ clk |= (1 << CPU2_CLK_STP_SHIFT) + (1 << CPU3_CLK_STP_SHIFT);
+
+ /* Stop/Unstop the CPU clock */
+ clk &= ~CPU0_CLK_STP_MASK;
+ clk |= !enable << CPU0_CLK_STP_SHIFT;
+ writel(clk, &clkrst->crc_clk_cpu_cmplx);
+
+ clock_enable(PERIPH_ID_CPU);
+}
+
+static int is_cpu_powered(void)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+ return (readl(&pmc->pmc_pwrgate_status) & CPU_PWRED) ? 1 : 0;
+}
+
+static void remove_cpu_io_clamps(void)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+
+ /* Remove the clamps on the CPU I/O signals */
+ reg = readl(&pmc->pmc_remove_clamping);
+ reg |= CPU_CLMP;
+ writel(reg, &pmc->pmc_remove_clamping);
+
+ /* Give I/O signals time to stabilize */
+ udelay(IO_STABILIZATION_DELAY);
+}
+
+void powerup_cpu(void)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+ int timeout = IO_STABILIZATION_DELAY;
+
+ if (!is_cpu_powered()) {
+ /* Toggle the CPU power state (OFF -> ON) */
+ reg = readl(&pmc->pmc_pwrgate_toggle);
+ reg &= PARTID_CP;
+ reg |= START_CP;
+ writel(reg, &pmc->pmc_pwrgate_toggle);
+
+ /* Wait for the power to come up */
+ while (!is_cpu_powered()) {
+ if (timeout-- == 0)
+ printf("CPU failed to power up!\n");
+ else
+ udelay(10);
+ }
+
+ /*
+ * Remove the I/O clamps from CPU power partition.
+ * Recommended only on a Warm boot, if the CPU partition gets
+ * power gated. Shouldn't cause any harm when called after a
+ * cold boot according to HW, probably just redundant.
+ */
+ remove_cpu_io_clamps();
+ }
+}
+
+void reset_A9_cpu(int reset)
+{
+ /*
+ * NOTE: Regardless of whether the request is to hold the CPU in reset
+ * or take it out of reset, every processor in the CPU complex
+ * except the master (CPU 0) will be held in reset because the
+ * AVP only talks to the master. The AVP does not know that there
+ * are multiple processors in the CPU complex.
+ */
+ int mask = crc_rst_cpu | crc_rst_de | crc_rst_debug;
+ int num_cpus = get_num_cpus();
+ int cpu;
+
+ debug("reset_a9_cpu entry\n");
+ /* Hold CPUs 1 onwards in reset, and CPU 0 if asked */
+ for (cpu = 1; cpu < num_cpus; cpu++)
+ reset_cmplx_set_enable(cpu, mask, 1);
+ reset_cmplx_set_enable(0, mask, reset);
+
+ /* Enable/Disable master CPU reset */
+ reset_set_enable(PERIPH_ID_CPU, reset);
+}
+
+void clock_enable_coresight(int enable)
+{
+ u32 rst, src = 2;
+
+ debug("clock_enable_coresight entry\n");
+ clock_set_enable(PERIPH_ID_CORESIGHT, enable);
+ reset_set_enable(PERIPH_ID_CORESIGHT, !enable);
+
+ if (enable) {
+ /*
+ * Put CoreSight on PLLP_OUT0 and divide it down as per
+ * PLLP base frequency based on SoC type (T20/T30+).
+ * Clock divider request would setup CSITE clock as 144MHz
+ * for PLLP base 216MHz and 204MHz for PLLP base 408MHz
+ */
+ src = CLK_DIVIDER(NVBL_PLLP_KHZ, CSITE_KHZ);
+ clock_ll_set_source_divisor(PERIPH_ID_CSI, 0, src);
+
+ /* Unlock the CPU CoreSight interfaces */
+ rst = CORESIGHT_UNLOCK;
+ writel(rst, CSITE_CPU_DBG0_LAR);
+ writel(rst, CSITE_CPU_DBG1_LAR);
+ if (get_num_cpus() == 4) {
+ writel(rst, CSITE_CPU_DBG2_LAR);
+ writel(rst, CSITE_CPU_DBG3_LAR);
+ }
+ }
+}
+
+void halt_avp(void)
+{
+ for (;;) {
+ writel(HALT_COP_EVENT_JTAG | (FLOW_MODE_STOP << 29),
+ FLOW_CTLR_HALT_COP_EVENTS);
+ }
+}
--- /dev/null
+/*
+ * (C) Copyright 2010-2014
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <asm/types.h>
+
+/* Stabilization delays, in usec */
+#define PLL_STABILIZATION_DELAY (300)
+#define IO_STABILIZATION_DELAY (1000)
+
+#if defined(CONFIG_TEGRA20)
+#define NVBL_PLLP_KHZ 216000
+#define CSITE_KHZ 144000
+#elif defined(CONFIG_TEGRA30) || defined(CONFIG_TEGRA114) || \
+ defined(CONFIG_TEGRA124)
+#define NVBL_PLLP_KHZ 408000
+#define CSITE_KHZ 204000
+#else
+#error "Unknown Tegra chip!"
+#endif
+
+#define PLLX_ENABLED (1 << 30)
+#define CCLK_BURST_POLICY 0x20008888
+#define SUPER_CCLK_DIVIDER 0x80000000
+
+/* Calculate clock fractional divider value from ref and target frequencies */
+#define CLK_DIVIDER(REF, FREQ) ((((REF) * 2) / FREQ) - 2)
+
+/* Calculate clock frequency value from reference and clock divider value */
+#define CLK_FREQUENCY(REF, REG) (((REF) * 2) / (REG + 2))
+
+/* AVP/CPU ID */
+#define PG_UP_TAG_0_PID_CPU 0x55555555 /* CPU aka "a9" aka "mpcore" */
+#define PG_UP_TAG_0 0x0
+
+#define CORESIGHT_UNLOCK 0xC5ACCE55;
+
+#define EXCEP_VECTOR_CPU_RESET_VECTOR (NV_PA_EVP_BASE + 0x100)
+#define CSITE_CPU_DBG0_LAR (NV_PA_CSITE_BASE + 0x10FB0)
+#define CSITE_CPU_DBG1_LAR (NV_PA_CSITE_BASE + 0x12FB0)
+#define CSITE_CPU_DBG2_LAR (NV_PA_CSITE_BASE + 0x14FB0)
+#define CSITE_CPU_DBG3_LAR (NV_PA_CSITE_BASE + 0x16FB0)
+
+#define FLOW_CTLR_HALT_COP_EVENTS (NV_PA_FLOW_BASE + 4)
+#define FLOW_MODE_STOP 2
+#define HALT_COP_EVENT_JTAG (1 << 28)
+#define HALT_COP_EVENT_IRQ_1 (1 << 11)
+#define HALT_COP_EVENT_FIQ_1 (1 << 9)
+
+#define FLOW_MODE_NONE 0
+
+#define SIMPLE_PLLX (CLOCK_ID_XCPU - CLOCK_ID_FIRST_SIMPLE)
+
+struct clk_pll_table {
+ u16 n;
+ u16 m;
+ u8 p;
+ u8 cpcon;
+};
+
+void clock_enable_coresight(int enable);
+void enable_cpu_clock(int enable);
+void halt_avp(void) __attribute__ ((noreturn));
+void init_pllx(void);
+void powerup_cpu(void);
+void reset_A9_cpu(int reset);
+void start_cpu(u32 reset_vector);
+int tegra_get_chip(void);
+int tegra_get_sku_info(void);
+int tegra_get_chip_sku(void);
+void adjust_pllp_out_freqs(void);
+void pmic_enable_cpu_vdd(void);
--- /dev/null
+/*
+ * SoC-specific setup info
+ *
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <config.h>
+#include <version.h>
+#include <linux/linkage.h>
+
+ .align 5
+ENTRY(reset_cpu)
+ ldr r1, rstctl @ get addr for global reset
+ @ reg
+ ldr r3, [r1]
+ orr r3, r3, #0x10
+ str r3, [r1] @ force reset
+ mov r0, r0
+_loop_forever:
+ b _loop_forever
+rstctl:
+ .word PRM_RSTCTRL
+ENDPROC(reset_cpu)
--- /dev/null
+/*
+ * Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/pinmux.h>
+
+/* return 1 if a pingrp is in range */
+#define pmux_pingrp_isvalid(pin) (((pin) >= 0) && ((pin) < PMUX_PINGRP_COUNT))
+
+/* return 1 if a pmux_func is in range */
+#define pmux_func_isvalid(func) \
+ (((func) >= 0) && ((func) < PMUX_FUNC_COUNT))
+
+/* return 1 if a pin_pupd_is in range */
+#define pmux_pin_pupd_isvalid(pupd) \
+ (((pupd) >= PMUX_PULL_NORMAL) && ((pupd) <= PMUX_PULL_UP))
+
+/* return 1 if a pin_tristate_is in range */
+#define pmux_pin_tristate_isvalid(tristate) \
+ (((tristate) >= PMUX_TRI_NORMAL) && ((tristate) <= PMUX_TRI_TRISTATE))
+
+#ifdef TEGRA_PMX_HAS_PIN_IO_BIT_ETC
+/* return 1 if a pin_io_is in range */
+#define pmux_pin_io_isvalid(io) \
+ (((io) >= PMUX_PIN_OUTPUT) && ((io) <= PMUX_PIN_INPUT))
+
+/* return 1 if a pin_lock is in range */
+#define pmux_pin_lock_isvalid(lock) \
+ (((lock) >= PMUX_PIN_LOCK_DISABLE) && ((lock) <= PMUX_PIN_LOCK_ENABLE))
+
+/* return 1 if a pin_od is in range */
+#define pmux_pin_od_isvalid(od) \
+ (((od) >= PMUX_PIN_OD_DISABLE) && ((od) <= PMUX_PIN_OD_ENABLE))
+
+/* return 1 if a pin_ioreset_is in range */
+#define pmux_pin_ioreset_isvalid(ioreset) \
+ (((ioreset) >= PMUX_PIN_IO_RESET_DISABLE) && \
+ ((ioreset) <= PMUX_PIN_IO_RESET_ENABLE))
+
+#ifdef TEGRA_PMX_HAS_RCV_SEL
+/* return 1 if a pin_rcv_sel_is in range */
+#define pmux_pin_rcv_sel_isvalid(rcv_sel) \
+ (((rcv_sel) >= PMUX_PIN_RCV_SEL_NORMAL) && \
+ ((rcv_sel) <= PMUX_PIN_RCV_SEL_HIGH))
+#endif /* TEGRA_PMX_HAS_RCV_SEL */
+#endif /* TEGRA_PMX_HAS_PIN_IO_BIT_ETC */
+
+#define _R(offset) (u32 *)(NV_PA_APB_MISC_BASE + (offset))
+
+#if defined(CONFIG_TEGRA20)
+
+#define MUX_REG(grp) _R(0x80 + ((tegra_soc_pingroups[grp].ctl_id / 16) * 4))
+#define MUX_SHIFT(grp) ((tegra_soc_pingroups[grp].ctl_id % 16) * 2)
+
+#define PULL_REG(grp) _R(0xa0 + ((tegra_soc_pingroups[grp].pull_id / 16) * 4))
+#define PULL_SHIFT(grp) ((tegra_soc_pingroups[grp].pull_id % 16) * 2)
+
+#define TRI_REG(grp) _R(0x14 + (((grp) / 32) * 4))
+#define TRI_SHIFT(grp) ((grp) % 32)
+
+#else
+
+#define REG(pin) _R(0x3000 + ((pin) * 4))
+
+#define MUX_REG(pin) REG(pin)
+#define MUX_SHIFT(pin) 0
+
+#define PULL_REG(pin) REG(pin)
+#define PULL_SHIFT(pin) 2
+
+#define TRI_REG(pin) REG(pin)
+#define TRI_SHIFT(pin) 4
+
+#endif /* CONFIG_TEGRA20 */
+
+#define DRV_REG(group) _R(0x868 + ((group) * 4))
+
+#define IO_SHIFT 5
+#define OD_SHIFT 6
+#define LOCK_SHIFT 7
+#define IO_RESET_SHIFT 8
+#define RCV_SEL_SHIFT 9
+
+#if !defined(CONFIG_TEGRA20) && !defined(CONFIG_TEGRA30)
+/* This register/field only exists on Tegra114 and later */
+#define APB_MISC_PP_PINMUX_GLOBAL_0 0x40
+#define CLAMP_INPUTS_WHEN_TRISTATED 1
+
+void pinmux_set_tristate_input_clamping(void)
+{
+ u32 *reg = _R(APB_MISC_PP_PINMUX_GLOBAL_0);
+ u32 val;
+
+ val = readl(reg);
+ val |= CLAMP_INPUTS_WHEN_TRISTATED;
+ writel(val, reg);
+}
+#endif
+
+void pinmux_set_func(enum pmux_pingrp pin, enum pmux_func func)
+{
+ u32 *reg = MUX_REG(pin);
+ int i, mux = -1;
+ u32 val;
+
+ if (func == PMUX_FUNC_DEFAULT)
+ return;
+
+ /* Error check on pin and func */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_func_isvalid(func));
+
+ if (func >= PMUX_FUNC_RSVD1) {
+ mux = (func - PMUX_FUNC_RSVD1) & 3;
+ } else {
+ /* Search for the appropriate function */
+ for (i = 0; i < 4; i++) {
+ if (tegra_soc_pingroups[pin].funcs[i] == func) {
+ mux = i;
+ break;
+ }
+ }
+ }
+ assert(mux != -1);
+
+ val = readl(reg);
+ val &= ~(3 << MUX_SHIFT(pin));
+ val |= (mux << MUX_SHIFT(pin));
+ writel(val, reg);
+}
+
+void pinmux_set_pullupdown(enum pmux_pingrp pin, enum pmux_pull pupd)
+{
+ u32 *reg = PULL_REG(pin);
+ u32 val;
+
+ /* Error check on pin and pupd */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_pupd_isvalid(pupd));
+
+ val = readl(reg);
+ val &= ~(3 << PULL_SHIFT(pin));
+ val |= (pupd << PULL_SHIFT(pin));
+ writel(val, reg);
+}
+
+static void pinmux_set_tristate(enum pmux_pingrp pin, int tri)
+{
+ u32 *reg = TRI_REG(pin);
+ u32 val;
+
+ /* Error check on pin */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_tristate_isvalid(tri));
+
+ val = readl(reg);
+ if (tri == PMUX_TRI_TRISTATE)
+ val |= (1 << TRI_SHIFT(pin));
+ else
+ val &= ~(1 << TRI_SHIFT(pin));
+ writel(val, reg);
+}
+
+void pinmux_tristate_enable(enum pmux_pingrp pin)
+{
+ pinmux_set_tristate(pin, PMUX_TRI_TRISTATE);
+}
+
+void pinmux_tristate_disable(enum pmux_pingrp pin)
+{
+ pinmux_set_tristate(pin, PMUX_TRI_NORMAL);
+}
+
+#ifdef TEGRA_PMX_HAS_PIN_IO_BIT_ETC
+void pinmux_set_io(enum pmux_pingrp pin, enum pmux_pin_io io)
+{
+ u32 *reg = REG(pin);
+ u32 val;
+
+ if (io == PMUX_PIN_NONE)
+ return;
+
+ /* Error check on pin and io */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_io_isvalid(io));
+
+ val = readl(reg);
+ if (io == PMUX_PIN_INPUT)
+ val |= (io & 1) << IO_SHIFT;
+ else
+ val &= ~(1 << IO_SHIFT);
+ writel(val, reg);
+}
+
+static void pinmux_set_lock(enum pmux_pingrp pin, enum pmux_pin_lock lock)
+{
+ u32 *reg = REG(pin);
+ u32 val;
+
+ if (lock == PMUX_PIN_LOCK_DEFAULT)
+ return;
+
+ /* Error check on pin and lock */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_lock_isvalid(lock));
+
+ val = readl(reg);
+ if (lock == PMUX_PIN_LOCK_ENABLE) {
+ val |= (1 << LOCK_SHIFT);
+ } else {
+ if (val & (1 << LOCK_SHIFT))
+ printf("%s: Cannot clear LOCK bit!\n", __func__);
+ val &= ~(1 << LOCK_SHIFT);
+ }
+ writel(val, reg);
+
+ return;
+}
+
+static void pinmux_set_od(enum pmux_pingrp pin, enum pmux_pin_od od)
+{
+ u32 *reg = REG(pin);
+ u32 val;
+
+ if (od == PMUX_PIN_OD_DEFAULT)
+ return;
+
+ /* Error check on pin and od */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_od_isvalid(od));
+
+ val = readl(reg);
+ if (od == PMUX_PIN_OD_ENABLE)
+ val |= (1 << OD_SHIFT);
+ else
+ val &= ~(1 << OD_SHIFT);
+ writel(val, reg);
+
+ return;
+}
+
+static void pinmux_set_ioreset(enum pmux_pingrp pin,
+ enum pmux_pin_ioreset ioreset)
+{
+ u32 *reg = REG(pin);
+ u32 val;
+
+ if (ioreset == PMUX_PIN_IO_RESET_DEFAULT)
+ return;
+
+ /* Error check on pin and ioreset */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_ioreset_isvalid(ioreset));
+
+ val = readl(reg);
+ if (ioreset == PMUX_PIN_IO_RESET_ENABLE)
+ val |= (1 << IO_RESET_SHIFT);
+ else
+ val &= ~(1 << IO_RESET_SHIFT);
+ writel(val, reg);
+
+ return;
+}
+
+#ifdef TEGRA_PMX_HAS_RCV_SEL
+static void pinmux_set_rcv_sel(enum pmux_pingrp pin,
+ enum pmux_pin_rcv_sel rcv_sel)
+{
+ u32 *reg = REG(pin);
+ u32 val;
+
+ if (rcv_sel == PMUX_PIN_RCV_SEL_DEFAULT)
+ return;
+
+ /* Error check on pin and rcv_sel */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_rcv_sel_isvalid(rcv_sel));
+
+ val = readl(reg);
+ if (rcv_sel == PMUX_PIN_RCV_SEL_HIGH)
+ val |= (1 << RCV_SEL_SHIFT);
+ else
+ val &= ~(1 << RCV_SEL_SHIFT);
+ writel(val, reg);
+
+ return;
+}
+#endif /* TEGRA_PMX_HAS_RCV_SEL */
+#endif /* TEGRA_PMX_HAS_PIN_IO_BIT_ETC */
+
+static void pinmux_config_pingrp(const struct pmux_pingrp_config *config)
+{
+ enum pmux_pingrp pin = config->pingrp;
+
+ pinmux_set_func(pin, config->func);
+ pinmux_set_pullupdown(pin, config->pull);
+ pinmux_set_tristate(pin, config->tristate);
+#ifdef TEGRA_PMX_HAS_PIN_IO_BIT_ETC
+ pinmux_set_io(pin, config->io);
+ pinmux_set_lock(pin, config->lock);
+ pinmux_set_od(pin, config->od);
+ pinmux_set_ioreset(pin, config->ioreset);
+#ifdef TEGRA_PMX_HAS_RCV_SEL
+ pinmux_set_rcv_sel(pin, config->rcv_sel);
+#endif
+#endif
+}
+
+void pinmux_config_pingrp_table(const struct pmux_pingrp_config *config,
+ int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ pinmux_config_pingrp(&config[i]);
+}
+
+#ifdef TEGRA_PMX_HAS_DRVGRPS
+
+#define pmux_drvgrp_isvalid(pd) (((pd) >= 0) && ((pd) < PMUX_DRVGRP_COUNT))
+
+#define pmux_slw_isvalid(slw) \
+ (((slw) >= PMUX_SLWF_MIN) && ((slw) <= PMUX_SLWF_MAX))
+
+#define pmux_drv_isvalid(drv) \
+ (((drv) >= PMUX_DRVUP_MIN) && ((drv) <= PMUX_DRVUP_MAX))
+
+#define pmux_lpmd_isvalid(lpm) \
+ (((lpm) >= PMUX_LPMD_X8) && ((lpm) <= PMUX_LPMD_X))
+
+#define pmux_schmt_isvalid(schmt) \
+ (((schmt) >= PMUX_SCHMT_DISABLE) && ((schmt) <= PMUX_SCHMT_ENABLE))
+
+#define pmux_hsm_isvalid(hsm) \
+ (((hsm) >= PMUX_HSM_DISABLE) && ((hsm) <= PMUX_HSM_ENABLE))
+
+#define HSM_SHIFT 2
+#define SCHMT_SHIFT 3
+#define LPMD_SHIFT 4
+#define LPMD_MASK (3 << LPMD_SHIFT)
+#define DRVDN_SHIFT 12
+#define DRVDN_MASK (0x7F << DRVDN_SHIFT)
+#define DRVUP_SHIFT 20
+#define DRVUP_MASK (0x7F << DRVUP_SHIFT)
+#define SLWR_SHIFT 28
+#define SLWR_MASK (3 << SLWR_SHIFT)
+#define SLWF_SHIFT 30
+#define SLWF_MASK (3 << SLWF_SHIFT)
+
+static void pinmux_set_drvup_slwf(enum pmux_drvgrp grp, int slwf)
+{
+ u32 *reg = DRV_REG(grp);
+ u32 val;
+
+ /* NONE means unspecified/do not change/use POR value */
+ if (slwf == PMUX_SLWF_NONE)
+ return;
+
+ /* Error check on pad and slwf */
+ assert(pmux_drvgrp_isvalid(grp));
+ assert(pmux_slw_isvalid(slwf));
+
+ val = readl(reg);
+ val &= ~SLWF_MASK;
+ val |= (slwf << SLWF_SHIFT);
+ writel(val, reg);
+
+ return;
+}
+
+static void pinmux_set_drvdn_slwr(enum pmux_drvgrp grp, int slwr)
+{
+ u32 *reg = DRV_REG(grp);
+ u32 val;
+
+ /* NONE means unspecified/do not change/use POR value */
+ if (slwr == PMUX_SLWR_NONE)
+ return;
+
+ /* Error check on pad and slwr */
+ assert(pmux_drvgrp_isvalid(grp));
+ assert(pmux_slw_isvalid(slwr));
+
+ val = readl(reg);
+ val &= ~SLWR_MASK;
+ val |= (slwr << SLWR_SHIFT);
+ writel(val, reg);
+
+ return;
+}
+
+static void pinmux_set_drvup(enum pmux_drvgrp grp, int drvup)
+{
+ u32 *reg = DRV_REG(grp);
+ u32 val;
+
+ /* NONE means unspecified/do not change/use POR value */
+ if (drvup == PMUX_DRVUP_NONE)
+ return;
+
+ /* Error check on pad and drvup */
+ assert(pmux_drvgrp_isvalid(grp));
+ assert(pmux_drv_isvalid(drvup));
+
+ val = readl(reg);
+ val &= ~DRVUP_MASK;
+ val |= (drvup << DRVUP_SHIFT);
+ writel(val, reg);
+
+ return;
+}
+
+static void pinmux_set_drvdn(enum pmux_drvgrp grp, int drvdn)
+{
+ u32 *reg = DRV_REG(grp);
+ u32 val;
+
+ /* NONE means unspecified/do not change/use POR value */
+ if (drvdn == PMUX_DRVDN_NONE)
+ return;
+
+ /* Error check on pad and drvdn */
+ assert(pmux_drvgrp_isvalid(grp));
+ assert(pmux_drv_isvalid(drvdn));
+
+ val = readl(reg);
+ val &= ~DRVDN_MASK;
+ val |= (drvdn << DRVDN_SHIFT);
+ writel(val, reg);
+
+ return;
+}
+
+static void pinmux_set_lpmd(enum pmux_drvgrp grp, enum pmux_lpmd lpmd)
+{
+ u32 *reg = DRV_REG(grp);
+ u32 val;
+
+ /* NONE means unspecified/do not change/use POR value */
+ if (lpmd == PMUX_LPMD_NONE)
+ return;
+
+ /* Error check pad and lpmd value */
+ assert(pmux_drvgrp_isvalid(grp));
+ assert(pmux_lpmd_isvalid(lpmd));
+
+ val = readl(reg);
+ val &= ~LPMD_MASK;
+ val |= (lpmd << LPMD_SHIFT);
+ writel(val, reg);
+
+ return;
+}
+
+static void pinmux_set_schmt(enum pmux_drvgrp grp, enum pmux_schmt schmt)
+{
+ u32 *reg = DRV_REG(grp);
+ u32 val;
+
+ /* NONE means unspecified/do not change/use POR value */
+ if (schmt == PMUX_SCHMT_NONE)
+ return;
+
+ /* Error check pad */
+ assert(pmux_drvgrp_isvalid(grp));
+ assert(pmux_schmt_isvalid(schmt));
+
+ val = readl(reg);
+ if (schmt == PMUX_SCHMT_ENABLE)
+ val |= (1 << SCHMT_SHIFT);
+ else
+ val &= ~(1 << SCHMT_SHIFT);
+ writel(val, reg);
+
+ return;
+}
+
+static void pinmux_set_hsm(enum pmux_drvgrp grp, enum pmux_hsm hsm)
+{
+ u32 *reg = DRV_REG(grp);
+ u32 val;
+
+ /* NONE means unspecified/do not change/use POR value */
+ if (hsm == PMUX_HSM_NONE)
+ return;
+
+ /* Error check pad */
+ assert(pmux_drvgrp_isvalid(grp));
+ assert(pmux_hsm_isvalid(hsm));
+
+ val = readl(reg);
+ if (hsm == PMUX_HSM_ENABLE)
+ val |= (1 << HSM_SHIFT);
+ else
+ val &= ~(1 << HSM_SHIFT);
+ writel(val, reg);
+
+ return;
+}
+
+static void pinmux_config_drvgrp(const struct pmux_drvgrp_config *config)
+{
+ enum pmux_drvgrp grp = config->drvgrp;
+
+ pinmux_set_drvup_slwf(grp, config->slwf);
+ pinmux_set_drvdn_slwr(grp, config->slwr);
+ pinmux_set_drvup(grp, config->drvup);
+ pinmux_set_drvdn(grp, config->drvdn);
+ pinmux_set_lpmd(grp, config->lpmd);
+ pinmux_set_schmt(grp, config->schmt);
+ pinmux_set_hsm(grp, config->hsm);
+}
+
+void pinmux_config_drvgrp_table(const struct pmux_drvgrp_config *config,
+ int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ pinmux_config_drvgrp(&config[i]);
+}
+#endif /* TEGRA_PMX_HAS_DRVGRPS */
--- /dev/null
+/*
+ * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <errno.h>
+
+#include <asm/io.h>
+#include <asm/types.h>
+
+#include <asm/arch/powergate.h>
+#include <asm/arch/tegra.h>
+
+#define PWRGATE_TOGGLE 0x30
+#define PWRGATE_TOGGLE_START (1 << 8)
+
+#define REMOVE_CLAMPING 0x34
+
+#define PWRGATE_STATUS 0x38
+
+static int tegra_powergate_set(enum tegra_powergate id, bool state)
+{
+ u32 value, mask = state ? (1 << id) : 0, old_mask;
+ unsigned long start, timeout = 25;
+
+ value = readl(NV_PA_PMC_BASE + PWRGATE_STATUS);
+ old_mask = value & (1 << id);
+
+ if (mask == old_mask)
+ return 0;
+
+ writel(PWRGATE_TOGGLE_START | id, NV_PA_PMC_BASE + PWRGATE_TOGGLE);
+
+ start = get_timer(0);
+
+ while (get_timer(start) < timeout) {
+ value = readl(NV_PA_PMC_BASE + PWRGATE_STATUS);
+ if ((value & (1 << id)) == mask)
+ return 0;
+ }
+
+ return -ETIMEDOUT;
+}
+
+static int tegra_powergate_power_on(enum tegra_powergate id)
+{
+ return tegra_powergate_set(id, true);
+}
+
+int tegra_powergate_power_off(enum tegra_powergate id)
+{
+ return tegra_powergate_set(id, false);
+}
+
+static int tegra_powergate_remove_clamping(enum tegra_powergate id)
+{
+ unsigned long value;
+
+ /*
+ * The REMOVE_CLAMPING register has the bits for the PCIE and VDEC
+ * partitions reversed. This was originally introduced on Tegra20 but
+ * has since been carried forward for backwards-compatibility.
+ */
+ if (id == TEGRA_POWERGATE_VDEC)
+ value = 1 << TEGRA_POWERGATE_PCIE;
+ else if (id == TEGRA_POWERGATE_PCIE)
+ value = 1 << TEGRA_POWERGATE_VDEC;
+ else
+ value = 1 << id;
+
+ writel(value, NV_PA_PMC_BASE + REMOVE_CLAMPING);
+
+ return 0;
+}
+
+int tegra_powergate_sequence_power_up(enum tegra_powergate id,
+ enum periph_id periph)
+{
+ int err;
+
+ reset_set_enable(periph, 1);
+
+ err = tegra_powergate_power_on(id);
+ if (err < 0)
+ return err;
+
+ clock_enable(periph);
+
+ udelay(10);
+
+ err = tegra_powergate_remove_clamping(id);
+ if (err < 0)
+ return err;
+
+ udelay(10);
+
+ reset_set_enable(periph, 0);
+
+ return 0;
+}
--- /dev/null
+/*
+ * (C) Copyright 2012
+ * NVIDIA Inc, <www.nvidia.com>
+ *
+ * Allen Martin <amartin@nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+#include <spl.h>
+
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/apb_misc.h>
+#include <asm/arch-tegra/board.h>
+#include <asm/spl.h>
+#include "cpu.h"
+
+void spl_board_init(void)
+{
+ struct apb_misc_pp_ctlr *apb_misc =
+ (struct apb_misc_pp_ctlr *)NV_PA_APB_MISC_BASE;
+
+ /* enable JTAG */
+ writel(0xC0, &apb_misc->cfg_ctl);
+
+ board_init_uart_f();
+
+ /* Initialize periph GPIOs */
+ gpio_early_init_uart();
+
+ clock_early_init();
+ preloader_console_init();
+}
+
+u32 spl_boot_device(void)
+{
+ return BOOT_DEVICE_RAM;
+}
+
+void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
+{
+ debug("image entry point: 0x%X\n", spl_image->entry_point);
+
+ start_cpu((u32)spl_image->entry_point);
+ halt_avp();
+}
--- /dev/null
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <linux/ctype.h>
+
+static void upstring(char *s)
+{
+ while (*s) {
+ *s = toupper(*s);
+ s++;
+ }
+}
+
+/* Print CPU information */
+int print_cpuinfo(void)
+{
+ char soc_name[10];
+
+ strncpy(soc_name, CONFIG_SYS_SOC, 10);
+ upstring(soc_name);
+ puts(soc_name);
+ puts("\n");
+
+ /* TBD: Add printf of major/minor rev info, stepping, etc. */
+ return 0;
+}
--- /dev/null
+if TEGRA114
+
+choice
+ prompt "Tegra114 board select"
+
+config TARGET_DALMORE
+ bool "NVIDIA Tegra114 Dalmore evaluation board"
+
+endchoice
+
+config SYS_SOC
+ default "tegra114"
+
+source "board/nvidia/dalmore/Kconfig"
+
+endif
--- /dev/null
+#
+# Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms and conditions of the GNU General Public License,
+# version 2, as published by the Free Software Foundation.
+#
+# This program is distributed in the hope it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+# more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+obj-$(CONFIG_SPL_BUILD) += cpu.o
+
+obj-y += clock.o funcmux.o pinmux.o
--- /dev/null
+/*
+ * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Tegra114 Clock control functions */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sysctr.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/timer.h>
+#include <div64.h>
+#include <fdtdec.h>
+
+/*
+ * Clock types that we can use as a source. The Tegra114 has muxes for the
+ * peripheral clocks, and in most cases there are four options for the clock
+ * source. This gives us a clock 'type' and exploits what commonality exists
+ * in the device.
+ *
+ * Letters are obvious, except for T which means CLK_M, and S which means the
+ * clock derived from 32KHz. Beware that CLK_M (also called OSC in the
+ * datasheet) and PLL_M are different things. The former is the basic
+ * clock supplied to the SOC from an external oscillator. The latter is the
+ * memory clock PLL.
+ *
+ * See definitions in clock_id in the header file.
+ */
+enum clock_type_id {
+ CLOCK_TYPE_AXPT, /* PLL_A, PLL_X, PLL_P, CLK_M */
+ CLOCK_TYPE_MCPA, /* and so on */
+ CLOCK_TYPE_MCPT,
+ CLOCK_TYPE_PCM,
+ CLOCK_TYPE_PCMT,
+ CLOCK_TYPE_PCMT16,
+ CLOCK_TYPE_PDCT,
+ CLOCK_TYPE_ACPT,
+ CLOCK_TYPE_ASPTE,
+ CLOCK_TYPE_PMDACD2T,
+ CLOCK_TYPE_PCST,
+
+ CLOCK_TYPE_COUNT,
+ CLOCK_TYPE_NONE = -1, /* invalid clock type */
+};
+
+enum {
+ CLOCK_MAX_MUX = 8 /* number of source options for each clock */
+};
+
+/*
+ * Clock source mux for each clock type. This just converts our enum into
+ * a list of mux sources for use by the code.
+ *
+ * Note:
+ * The extra column in each clock source array is used to store the mask
+ * bits in its register for the source.
+ */
+#define CLK(x) CLOCK_ID_ ## x
+static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX+1] = {
+ { CLK(AUDIO), CLK(XCPU), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(AUDIO),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(NONE),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(DISPLAY), CLK(CGENERAL), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(AUDIO), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(AUDIO), CLK(SFROM32KHZ), CLK(PERIPH), CLK(OSC),
+ CLK(EPCI), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_29},
+ { CLK(PERIPH), CLK(MEMORY), CLK(DISPLAY), CLK(AUDIO),
+ CLK(CGENERAL), CLK(DISPLAY2), CLK(OSC), CLK(NONE),
+ MASK_BITS_31_29},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(SFROM32KHZ), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_28}
+};
+
+/*
+ * Clock type for each peripheral clock source. We put the name in each
+ * record just so it is easy to match things up
+ */
+#define TYPE(name, type) type
+static enum clock_type_id clock_periph_type[PERIPHC_COUNT] = {
+ /* 0x00 */
+ TYPE(PERIPHC_I2S1, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2S2, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_SPDIF_OUT, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_SPDIF_IN, CLOCK_TYPE_PCM),
+ TYPE(PERIPHC_PWM, CLOCK_TYPE_PCST), /* only PWM uses b29:28 */
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC2, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SBC3, CLOCK_TYPE_PCMT),
+
+ /* 0x08 */
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_I2C1, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_I2C5, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_DISP1, CLOCK_TYPE_PMDACD2T),
+ TYPE(PERIPHC_DISP2, CLOCK_TYPE_PMDACD2T),
+
+ /* 0x10 */
+ TYPE(PERIPHC_CVE, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SDMMC1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SDMMC2, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_G3D, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_G2D, CLOCK_TYPE_MCPA),
+
+ /* 0x18 */
+ TYPE(PERIPHC_NDFLASH, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SDMMC4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_VFIR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_EPP, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_MPE, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_MIPI, CLOCK_TYPE_PCMT), /* MIPI base-band HSI */
+ TYPE(PERIPHC_UART1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_UART2, CLOCK_TYPE_PCMT),
+
+ /* 0x20 */
+ TYPE(PERIPHC_HOST1X, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_TVO, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_HDMI, CLOCK_TYPE_PMDACD2T),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_TVDAC, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_I2C2, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_EMC, CLOCK_TYPE_MCPT),
+
+ /* 0x28 */
+ TYPE(PERIPHC_UART3, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_I2C3, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_SDMMC3, CLOCK_TYPE_PCMT),
+
+ /* 0x30 */
+ TYPE(PERIPHC_UART4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_UART5, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_VDE, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_OWR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NOR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_CSITE, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_I2S0, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+
+ /* 0x38h */ /* Jumps to reg offset 0x3B0h */
+ TYPE(PERIPHC_G3D2, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_MSELECT, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_TSENSOR, CLOCK_TYPE_PCST), /* s/b PCTS */
+ TYPE(PERIPHC_I2S3, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2S4, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2C4, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_SBC5, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SBC6, CLOCK_TYPE_PCMT),
+
+ /* 0x40 */
+ TYPE(PERIPHC_AUDIO, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_DAM0, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_DAM1, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_DAM2, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_HDA2CODEC2X, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_ACTMON, CLOCK_TYPE_PCST), /* MASK 31:30 */
+ TYPE(PERIPHC_EXTPERIPH1, CLOCK_TYPE_ASPTE),
+
+ /* 0x48 */
+ TYPE(PERIPHC_EXTPERIPH2, CLOCK_TYPE_ASPTE),
+ TYPE(PERIPHC_EXTPERIPH3, CLOCK_TYPE_ASPTE),
+ TYPE(PERIPHC_NANDSPEED, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_I2CSLOW, CLOCK_TYPE_PCST), /* MASK 31:30 */
+ TYPE(PERIPHC_SYS, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SPEEDO, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+
+ /* 0x50 */
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SATAOOB, CLOCK_TYPE_PCMT), /* offset 0x420h */
+ TYPE(PERIPHC_SATA, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_HDA, CLOCK_TYPE_PCMT),
+};
+
+/*
+ * This array translates a periph_id to a periphc_internal_id
+ *
+ * Not present/matched up:
+ * uint vi_sensor; _VI_SENSOR_0, 0x1A8
+ * SPDIF - which is both 0x08 and 0x0c
+ *
+ */
+#define NONE(name) (-1)
+#define OFFSET(name, value) PERIPHC_ ## name
+static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = {
+ /* Low word: 31:0 */
+ NONE(CPU),
+ NONE(COP),
+ NONE(TRIGSYS),
+ NONE(RESERVED3),
+ NONE(RTC),
+ NONE(TMR),
+ PERIPHC_UART1,
+ PERIPHC_UART2, /* and vfir 0x68 */
+
+ /* 8 */
+ NONE(GPIO),
+ PERIPHC_SDMMC2,
+ NONE(SPDIF), /* 0x08 and 0x0c, unclear which to use */
+ PERIPHC_I2S1,
+ PERIPHC_I2C1,
+ PERIPHC_NDFLASH,
+ PERIPHC_SDMMC1,
+ PERIPHC_SDMMC4,
+
+ /* 16 */
+ NONE(RESERVED16),
+ PERIPHC_PWM,
+ PERIPHC_I2S2,
+ PERIPHC_EPP,
+ PERIPHC_VI,
+ PERIPHC_G2D,
+ NONE(USBD),
+ NONE(ISP),
+
+ /* 24 */
+ PERIPHC_G3D,
+ NONE(RESERVED25),
+ PERIPHC_DISP2,
+ PERIPHC_DISP1,
+ PERIPHC_HOST1X,
+ NONE(VCP),
+ PERIPHC_I2S0,
+ NONE(CACHE2),
+
+ /* Middle word: 63:32 */
+ NONE(MEM),
+ NONE(AHBDMA),
+ NONE(APBDMA),
+ NONE(RESERVED35),
+ NONE(RESERVED36),
+ NONE(STAT_MON),
+ NONE(RESERVED38),
+ NONE(RESERVED39),
+
+ /* 40 */
+ NONE(KFUSE),
+ NONE(SBC1), /* SBC1, 0x34, is this SPI1? */
+ PERIPHC_NOR,
+ NONE(RESERVED43),
+ PERIPHC_SBC2,
+ NONE(RESERVED45),
+ PERIPHC_SBC3,
+ PERIPHC_I2C5,
+
+ /* 48 */
+ NONE(DSI),
+ PERIPHC_TVO, /* also CVE 0x40 */
+ PERIPHC_MIPI,
+ PERIPHC_HDMI,
+ NONE(CSI),
+ PERIPHC_TVDAC,
+ PERIPHC_I2C2,
+ PERIPHC_UART3,
+
+ /* 56 */
+ NONE(RESERVED56),
+ PERIPHC_EMC,
+ NONE(USB2),
+ NONE(USB3),
+ PERIPHC_MPE,
+ PERIPHC_VDE,
+ NONE(BSEA),
+ NONE(BSEV),
+
+ /* Upper word 95:64 */
+ PERIPHC_SPEEDO,
+ PERIPHC_UART4,
+ PERIPHC_UART5,
+ PERIPHC_I2C3,
+ PERIPHC_SBC4,
+ PERIPHC_SDMMC3,
+ NONE(PCIE),
+ PERIPHC_OWR,
+
+ /* 72 */
+ NONE(AFI),
+ PERIPHC_CSITE,
+ NONE(PCIEXCLK),
+ NONE(AVPUCQ),
+ NONE(RESERVED76),
+ NONE(RESERVED77),
+ NONE(RESERVED78),
+ NONE(DTV),
+
+ /* 80 */
+ PERIPHC_NANDSPEED,
+ PERIPHC_I2CSLOW,
+ NONE(DSIB),
+ NONE(RESERVED83),
+ NONE(IRAMA),
+ NONE(IRAMB),
+ NONE(IRAMC),
+ NONE(IRAMD),
+
+ /* 88 */
+ NONE(CRAM2),
+ NONE(RESERVED89),
+ NONE(MDOUBLER),
+ NONE(RESERVED91),
+ NONE(SUSOUT),
+ NONE(RESERVED93),
+ NONE(RESERVED94),
+ NONE(RESERVED95),
+
+ /* V word: 31:0 */
+ NONE(CPUG),
+ NONE(CPULP),
+ PERIPHC_G3D2,
+ PERIPHC_MSELECT,
+ PERIPHC_TSENSOR,
+ PERIPHC_I2S3,
+ PERIPHC_I2S4,
+ PERIPHC_I2C4,
+
+ /* 08 */
+ PERIPHC_SBC5,
+ PERIPHC_SBC6,
+ PERIPHC_AUDIO,
+ NONE(APBIF),
+ PERIPHC_DAM0,
+ PERIPHC_DAM1,
+ PERIPHC_DAM2,
+ PERIPHC_HDA2CODEC2X,
+
+ /* 16 */
+ NONE(ATOMICS),
+ NONE(RESERVED17),
+ NONE(RESERVED18),
+ NONE(RESERVED19),
+ NONE(RESERVED20),
+ NONE(RESERVED21),
+ NONE(RESERVED22),
+ PERIPHC_ACTMON,
+
+ /* 24 */
+ NONE(RESERVED24),
+ NONE(RESERVED25),
+ NONE(RESERVED26),
+ NONE(RESERVED27),
+ PERIPHC_SATA,
+ PERIPHC_HDA,
+ NONE(RESERVED30),
+ NONE(RESERVED31),
+
+ /* W word: 31:0 */
+ NONE(HDA2HDMICODEC),
+ NONE(RESERVED1_SATACOLD),
+ NONE(RESERVED2_PCIERX0),
+ NONE(RESERVED3_PCIERX1),
+ NONE(RESERVED4_PCIERX2),
+ NONE(RESERVED5_PCIERX3),
+ NONE(RESERVED6_PCIERX4),
+ NONE(RESERVED7_PCIERX5),
+
+ /* 40 */
+ NONE(CEC),
+ NONE(PCIE2_IOBIST),
+ NONE(EMC_IOBIST),
+ NONE(HDMI_IOBIST),
+ NONE(SATA_IOBIST),
+ NONE(MIPI_IOBIST),
+ NONE(EMC1_IOBIST),
+ NONE(XUSB),
+
+ /* 48 */
+ NONE(CILAB),
+ NONE(CILCD),
+ NONE(CILE),
+ NONE(DSIA_LP),
+ NONE(DSIB_LP),
+ NONE(RESERVED21_ENTROPY),
+ NONE(RESERVED22_W),
+ NONE(RESERVED23_W),
+
+ /* 56 */
+ NONE(RESERVED24_W),
+ NONE(AMX0),
+ NONE(ADX0),
+ NONE(DVFS),
+ NONE(XUSB_SS),
+ NONE(EMC_DLL),
+ NONE(MC1),
+ NONE(EMC1),
+};
+
+/*
+ * Get the oscillator frequency, from the corresponding hardware configuration
+ * field. Note that T30/T114 support 3 new higher freqs, but we map back
+ * to the old T20 freqs. Support for the higher oscillators is TBD.
+ */
+enum clock_osc_freq clock_get_osc_freq(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ reg = readl(&clkrst->crc_osc_ctrl);
+ reg = (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
+
+ if (reg & 1) /* one of the newer freqs */
+ printf("Warning: OSC_FREQ is unsupported! (%d)\n", reg);
+
+ return reg >> 2; /* Map to most common (T20) freqs */
+}
+
+/* Returns a pointer to the clock source register for a peripheral */
+u32 *get_periph_source_reg(enum periph_id periph_id)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ enum periphc_internal_id internal_id;
+
+ /* Coresight is a special case */
+ if (periph_id == PERIPH_ID_CSI)
+ return &clkrst->crc_clk_src[PERIPH_ID_CSI+1];
+
+ assert(periph_id >= PERIPH_ID_FIRST && periph_id < PERIPH_ID_COUNT);
+ internal_id = periph_id_to_internal_id[periph_id];
+ assert(internal_id != -1);
+ if (internal_id >= PERIPHC_VW_FIRST) {
+ internal_id -= PERIPHC_VW_FIRST;
+ return &clkrst->crc_clk_src_vw[internal_id];
+ } else
+ return &clkrst->crc_clk_src[internal_id];
+}
+
+/**
+ * Given a peripheral ID and the required source clock, this returns which
+ * value should be programmed into the source mux for that peripheral.
+ *
+ * There is special code here to handle the one source type with 5 sources.
+ *
+ * @param periph_id peripheral to start
+ * @param source PLL id of required parent clock
+ * @param mux_bits Set to number of bits in mux register: 2 or 4
+ * @param divider_bits Set to number of divider bits (8 or 16)
+ * @return mux value (0-4, or -1 if not found)
+ */
+int get_periph_clock_source(enum periph_id periph_id,
+ enum clock_id parent, int *mux_bits, int *divider_bits)
+{
+ enum clock_type_id type;
+ enum periphc_internal_id internal_id;
+ int mux;
+
+ assert(clock_periph_id_isvalid(periph_id));
+
+ internal_id = periph_id_to_internal_id[periph_id];
+ assert(periphc_internal_id_isvalid(internal_id));
+
+ type = clock_periph_type[internal_id];
+ assert(clock_type_id_isvalid(type));
+
+ *mux_bits = clock_source[type][CLOCK_MAX_MUX];
+
+ if (type == CLOCK_TYPE_PCMT16)
+ *divider_bits = 16;
+ else
+ *divider_bits = 8;
+
+ for (mux = 0; mux < CLOCK_MAX_MUX; mux++)
+ if (clock_source[type][mux] == parent)
+ return mux;
+
+ /* if we get here, either us or the caller has made a mistake */
+ printf("Caller requested bad clock: periph=%d, parent=%d\n", periph_id,
+ parent);
+ return -1;
+}
+
+void clock_set_enable(enum periph_id periph_id, int enable)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 *clk;
+ u32 reg;
+
+ /* Enable/disable the clock to this peripheral */
+ assert(clock_periph_id_isvalid(periph_id));
+ if ((int)periph_id < (int)PERIPH_ID_VW_FIRST)
+ clk = &clkrst->crc_clk_out_enb[PERIPH_REG(periph_id)];
+ else
+ clk = &clkrst->crc_clk_out_enb_vw[PERIPH_REG(periph_id)];
+ reg = readl(clk);
+ if (enable)
+ reg |= PERIPH_MASK(periph_id);
+ else
+ reg &= ~PERIPH_MASK(periph_id);
+ writel(reg, clk);
+}
+
+void reset_set_enable(enum periph_id periph_id, int enable)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 *reset;
+ u32 reg;
+
+ /* Enable/disable reset to the peripheral */
+ assert(clock_periph_id_isvalid(periph_id));
+ if (periph_id < PERIPH_ID_VW_FIRST)
+ reset = &clkrst->crc_rst_dev[PERIPH_REG(periph_id)];
+ else
+ reset = &clkrst->crc_rst_dev_vw[PERIPH_REG(periph_id)];
+ reg = readl(reset);
+ if (enable)
+ reg |= PERIPH_MASK(periph_id);
+ else
+ reg &= ~PERIPH_MASK(periph_id);
+ writel(reg, reset);
+}
+
+#ifdef CONFIG_OF_CONTROL
+/*
+ * Convert a device tree clock ID to our peripheral ID. They are mostly
+ * the same but we are very cautious so we check that a valid clock ID is
+ * provided.
+ *
+ * @param clk_id Clock ID according to tegra114 device tree binding
+ * @return peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid
+ */
+enum periph_id clk_id_to_periph_id(int clk_id)
+{
+ if (clk_id > PERIPH_ID_COUNT)
+ return PERIPH_ID_NONE;
+
+ switch (clk_id) {
+ case PERIPH_ID_RESERVED3:
+ case PERIPH_ID_RESERVED16:
+ case PERIPH_ID_RESERVED24:
+ case PERIPH_ID_RESERVED35:
+ case PERIPH_ID_RESERVED43:
+ case PERIPH_ID_RESERVED45:
+ case PERIPH_ID_RESERVED56:
+ case PERIPH_ID_RESERVED76:
+ case PERIPH_ID_RESERVED77:
+ case PERIPH_ID_RESERVED78:
+ case PERIPH_ID_RESERVED83:
+ case PERIPH_ID_RESERVED89:
+ case PERIPH_ID_RESERVED91:
+ case PERIPH_ID_RESERVED93:
+ case PERIPH_ID_RESERVED94:
+ case PERIPH_ID_RESERVED95:
+ return PERIPH_ID_NONE;
+ default:
+ return clk_id;
+ }
+}
+#endif /* CONFIG_OF_CONTROL */
+
+void clock_early_init(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+
+ tegra30_set_up_pllp();
+
+ /*
+ * PLLC output frequency set to 600Mhz
+ * PLLD output frequency set to 925Mhz
+ */
+ switch (clock_get_osc_freq()) {
+ case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 12, 0, 8);
+ clock_set_rate(CLOCK_ID_DISPLAY, 925, 12, 0, 12);
+ break;
+
+ case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 26, 0, 8);
+ clock_set_rate(CLOCK_ID_DISPLAY, 925, 26, 0, 12);
+ break;
+
+ case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 13, 0, 8);
+ clock_set_rate(CLOCK_ID_DISPLAY, 925, 13, 0, 12);
+ break;
+ case CLOCK_OSC_FREQ_19_2:
+ default:
+ /*
+ * These are not supported. It is too early to print a
+ * message and the UART likely won't work anyway due to the
+ * oscillator being wrong.
+ */
+ break;
+ }
+
+ /* PLLC_MISC2: Set dynramp_stepA/B. MISC2 maps to pll_out[1] */
+ writel(0x00561600, &clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_out[1]);
+
+ /* PLLC_MISC: Set LOCK_ENABLE */
+ writel(0x01000000, &clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_misc);
+ udelay(2);
+
+ /* PLLD_MISC: Set CLKENABLE, CPCON 12, LFCON 1 */
+ writel(0x40000C10, &clkrst->crc_pll[CLOCK_ID_DISPLAY].pll_misc);
+ udelay(2);
+}
+
+void arch_timer_init(void)
+{
+ struct sysctr_ctlr *sysctr = (struct sysctr_ctlr *)NV_PA_TSC_BASE;
+ u32 freq, val;
+
+ freq = clock_get_rate(CLOCK_ID_OSC);
+ debug("%s: osc freq is %dHz [0x%08X]\n", __func__, freq, freq);
+
+ /* ARM CNTFRQ */
+ asm("mcr p15, 0, %0, c14, c0, 0\n" : : "r" (freq));
+
+ /* Only T114 has the System Counter regs */
+ debug("%s: setting CNTFID0 to 0x%08X\n", __func__, freq);
+ writel(freq, &sysctr->cntfid0);
+
+ val = readl(&sysctr->cntcr);
+ val |= TSC_CNTCR_ENABLE | TSC_CNTCR_HDBG;
+ writel(val, &sysctr->cntcr);
+ debug("%s: TSC CNTCR = 0x%08X\n", __func__, val);
+}
--- /dev/null
+/*
+ * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/flow.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/pmc.h>
+#include "../cpu.h"
+
+/* Tegra114-specific CPU init code */
+static void enable_cpu_power_rail(void)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ debug("enable_cpu_power_rail entry\n");
+
+ /* un-tristate PWR_I2C SCL/SDA, rest of the defaults are correct */
+ pinmux_tristate_disable(PMUX_PINGRP_PWR_I2C_SCL_PZ6);
+ pinmux_tristate_disable(PMUX_PINGRP_PWR_I2C_SDA_PZ7);
+
+ /*
+ * Set CPUPWRGOOD_TIMER - APB clock is 1/2 of SCLK (102MHz),
+ * set it for 25ms (102MHz * .025)
+ */
+ reg = 0x26E8F0;
+ writel(reg, &pmc->pmc_cpupwrgood_timer);
+
+ /* Set polarity to 0 (normal) and enable CPUPWRREQ_OE */
+ clrbits_le32(&pmc->pmc_cntrl, CPUPWRREQ_POL);
+ setbits_le32(&pmc->pmc_cntrl, CPUPWRREQ_OE);
+
+ /*
+ * Set CLK_RST_CONTROLLER_CPU_SOFTRST_CTRL2_0_CAR2PMC_CPU_ACK_WIDTH
+ * to 408 to satisfy the requirement of having at least 16 CPU clock
+ * cycles before clamp removal.
+ */
+
+ clrbits_le32(&clkrst->crc_cpu_softrst_ctrl2, 0xFFF);
+ setbits_le32(&clkrst->crc_cpu_softrst_ctrl2, 408);
+}
+
+static void enable_cpu_clocks(void)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ debug("enable_cpu_clocks entry\n");
+
+ /* Wait for PLL-X to lock */
+ do {
+ reg = readl(&clkrst->crc_pll_simple[SIMPLE_PLLX].pll_base);
+ } while ((reg & PLL_LOCK_MASK) == 0);
+
+ /* Wait until all clocks are stable */
+ udelay(PLL_STABILIZATION_DELAY);
+
+ writel(CCLK_BURST_POLICY, &clkrst->crc_cclk_brst_pol);
+ writel(SUPER_CCLK_DIVIDER, &clkrst->crc_super_cclk_div);
+
+ /* Always enable the main CPU complex clocks */
+ clock_enable(PERIPH_ID_CPU);
+ clock_enable(PERIPH_ID_CPULP);
+ clock_enable(PERIPH_ID_CPUG);
+}
+
+static void remove_cpu_resets(void)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ debug("remove_cpu_resets entry\n");
+ /* Take the slow non-CPU partition out of reset */
+ reg = readl(&clkrst->crc_rst_cpulp_cmplx_clr);
+ writel((reg | CLR_NONCPURESET), &clkrst->crc_rst_cpulp_cmplx_clr);
+
+ /* Take the fast non-CPU partition out of reset */
+ reg = readl(&clkrst->crc_rst_cpug_cmplx_clr);
+ writel((reg | CLR_NONCPURESET), &clkrst->crc_rst_cpug_cmplx_clr);
+
+ /* Clear the SW-controlled reset of the slow cluster */
+ reg = readl(&clkrst->crc_rst_cpulp_cmplx_clr);
+ reg |= (CLR_CPURESET0+CLR_DBGRESET0+CLR_CORERESET0+CLR_CXRESET0);
+ writel(reg, &clkrst->crc_rst_cpulp_cmplx_clr);
+
+ /* Clear the SW-controlled reset of the fast cluster */
+ reg = readl(&clkrst->crc_rst_cpug_cmplx_clr);
+ reg |= (CLR_CPURESET0+CLR_DBGRESET0+CLR_CORERESET0+CLR_CXRESET0);
+ reg |= (CLR_CPURESET1+CLR_DBGRESET1+CLR_CORERESET1+CLR_CXRESET1);
+ reg |= (CLR_CPURESET2+CLR_DBGRESET2+CLR_CORERESET2+CLR_CXRESET2);
+ reg |= (CLR_CPURESET3+CLR_DBGRESET3+CLR_CORERESET3+CLR_CXRESET3);
+ writel(reg, &clkrst->crc_rst_cpug_cmplx_clr);
+}
+
+/**
+ * The T114 requires some special clock initialization, including setting up
+ * the DVC I2C, turning on MSELECT and selecting the G CPU cluster
+ */
+void t114_init_clocks(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
+ u32 val;
+
+ debug("t114_init_clocks entry\n");
+
+ /* Set active CPU cluster to G */
+ clrbits_le32(&flow->cluster_control, 1);
+
+ writel(SUPER_SCLK_ENB_MASK, &clkrst->crc_super_sclk_div);
+
+ debug("Setting up PLLX\n");
+ init_pllx();
+
+ val = (1 << CLK_SYS_RATE_AHB_RATE_SHIFT);
+ writel(val, &clkrst->crc_clk_sys_rate);
+
+ /* Enable clocks to required peripherals. TBD - minimize this list */
+ debug("Enabling clocks\n");
+
+ clock_set_enable(PERIPH_ID_CACHE2, 1);
+ clock_set_enable(PERIPH_ID_GPIO, 1);
+ clock_set_enable(PERIPH_ID_TMR, 1);
+ clock_set_enable(PERIPH_ID_RTC, 1);
+ clock_set_enable(PERIPH_ID_CPU, 1);
+ clock_set_enable(PERIPH_ID_EMC, 1);
+ clock_set_enable(PERIPH_ID_I2C5, 1);
+ clock_set_enable(PERIPH_ID_FUSE, 1);
+ clock_set_enable(PERIPH_ID_PMC, 1);
+ clock_set_enable(PERIPH_ID_APBDMA, 1);
+ clock_set_enable(PERIPH_ID_MEM, 1);
+ clock_set_enable(PERIPH_ID_IRAMA, 1);
+ clock_set_enable(PERIPH_ID_IRAMB, 1);
+ clock_set_enable(PERIPH_ID_IRAMC, 1);
+ clock_set_enable(PERIPH_ID_IRAMD, 1);
+ clock_set_enable(PERIPH_ID_CORESIGHT, 1);
+ clock_set_enable(PERIPH_ID_MSELECT, 1);
+ clock_set_enable(PERIPH_ID_EMC1, 1);
+ clock_set_enable(PERIPH_ID_MC1, 1);
+ clock_set_enable(PERIPH_ID_DVFS, 1);
+
+ /*
+ * Set MSELECT clock source as PLLP (00), and ask for a clock
+ * divider that would set the MSELECT clock at 102MHz for a
+ * PLLP base of 408MHz.
+ */
+ clock_ll_set_source_divisor(PERIPH_ID_MSELECT, 0,
+ CLK_DIVIDER(NVBL_PLLP_KHZ, 102000));
+
+ /* I2C5 (DVC) gets CLK_M and a divisor of 17 */
+ clock_ll_set_source_divisor(PERIPH_ID_I2C5, 3, 16);
+
+ /* Give clocks time to stabilize */
+ udelay(1000);
+
+ /* Take required peripherals out of reset */
+ debug("Taking periphs out of reset\n");
+ reset_set_enable(PERIPH_ID_CACHE2, 0);
+ reset_set_enable(PERIPH_ID_GPIO, 0);
+ reset_set_enable(PERIPH_ID_TMR, 0);
+ reset_set_enable(PERIPH_ID_COP, 0);
+ reset_set_enable(PERIPH_ID_EMC, 0);
+ reset_set_enable(PERIPH_ID_I2C5, 0);
+ reset_set_enable(PERIPH_ID_FUSE, 0);
+ reset_set_enable(PERIPH_ID_APBDMA, 0);
+ reset_set_enable(PERIPH_ID_MEM, 0);
+ reset_set_enable(PERIPH_ID_CORESIGHT, 0);
+ reset_set_enable(PERIPH_ID_MSELECT, 0);
+ reset_set_enable(PERIPH_ID_EMC1, 0);
+ reset_set_enable(PERIPH_ID_MC1, 0);
+ reset_set_enable(PERIPH_ID_DVFS, 0);
+
+ debug("t114_init_clocks exit\n");
+}
+
+static bool is_partition_powered(u32 partid)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+
+ /* Get power gate status */
+ reg = readl(&pmc->pmc_pwrgate_status);
+ return !!(reg & (1 << partid));
+}
+
+static bool is_clamp_enabled(u32 partid)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+
+ /* Get clamp status. */
+ reg = readl(&pmc->pmc_clamp_status);
+ return !!(reg & (1 << partid));
+}
+
+static void power_partition(u32 partid)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+ debug("%s: part ID = %08X\n", __func__, partid);
+ /* Is the partition already on? */
+ if (!is_partition_powered(partid)) {
+ /* No, toggle the partition power state (OFF -> ON) */
+ debug("power_partition, toggling state\n");
+ writel(START_CP | partid, &pmc->pmc_pwrgate_toggle);
+
+ /* Wait for the power to come up */
+ while (!is_partition_powered(partid))
+ ;
+
+ /* Wait for the clamp status to be cleared */
+ while (is_clamp_enabled(partid))
+ ;
+
+ /* Give I/O signals time to stabilize */
+ udelay(IO_STABILIZATION_DELAY);
+ }
+}
+
+void powerup_cpus(void)
+{
+ debug("powerup_cpus entry\n");
+
+ /* We boot to the fast cluster */
+ debug("powerup_cpus entry: G cluster\n");
+ /* Power up the fast cluster rail partition */
+ power_partition(CRAIL);
+
+ /* Power up the fast cluster non-CPU partition */
+ power_partition(C0NC);
+
+ /* Power up the fast cluster CPU0 partition */
+ power_partition(CE0);
+}
+
+void start_cpu(u32 reset_vector)
+{
+ u32 imme, inst;
+
+ debug("start_cpu entry, reset_vector = %x\n", reset_vector);
+
+ t114_init_clocks();
+
+ /* Enable VDD_CPU */
+ enable_cpu_power_rail();
+
+ /* Get the CPU(s) running */
+ enable_cpu_clocks();
+
+ /* Enable CoreSight */
+ clock_enable_coresight(1);
+
+ /* Take CPU(s) out of reset */
+ remove_cpu_resets();
+
+ /* Set the entry point for CPU execution from reset */
+
+ /*
+ * A01P with patched boot ROM; vector hard-coded to 0x4003fffc.
+ * See nvbug 1193357 for details.
+ */
+
+ /* mov r0, #lsb(reset_vector) */
+ imme = reset_vector & 0xffff;
+ inst = imme & 0xfff;
+ inst |= ((imme >> 12) << 16);
+ inst |= 0xe3000000;
+ writel(inst, 0x4003fff0);
+
+ /* movt r0, #msb(reset_vector) */
+ imme = (reset_vector >> 16) & 0xffff;
+ inst = imme & 0xfff;
+ inst |= ((imme >> 12) << 16);
+ inst |= 0xe3400000;
+ writel(inst, 0x4003fff4);
+
+ /* bx r0 */
+ writel(0xe12fff10, 0x4003fff8);
+
+ /* b -12 */
+ imme = (u32)-20;
+ inst = (imme >> 2) & 0xffffff;
+ inst |= 0xea000000;
+ writel(inst, 0x4003fffc);
+
+ /* Write to orignal location for compatibility */
+ writel(reset_vector, EXCEP_VECTOR_CPU_RESET_VECTOR);
+
+ /* If the CPU(s) don't already have power, power 'em up */
+ powerup_cpus();
+}
--- /dev/null
+/*
+ * Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Tegra114 high-level function multiplexing */
+
+#include <common.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
+#include <asm/arch/pinmux.h>
+
+int funcmux_select(enum periph_id id, int config)
+{
+ int bad_config = config != FUNCMUX_DEFAULT;
+
+ switch (id) {
+ case PERIPH_ID_UART4:
+ switch (config) {
+ case FUNCMUX_UART4_GMI:
+ pinmux_set_func(PMUX_PINGRP_GMI_A16_PJ7,
+ PMUX_FUNC_UARTD);
+ pinmux_set_func(PMUX_PINGRP_GMI_A17_PB0,
+ PMUX_FUNC_UARTD);
+ pinmux_set_func(PMUX_PINGRP_GMI_A18_PB1,
+ PMUX_FUNC_UARTD);
+ pinmux_set_func(PMUX_PINGRP_GMI_A19_PK7,
+ PMUX_FUNC_UARTD);
+
+ pinmux_set_io(PMUX_PINGRP_GMI_A16_PJ7, PMUX_PIN_OUTPUT);
+ pinmux_set_io(PMUX_PINGRP_GMI_A17_PB0, PMUX_PIN_INPUT);
+ pinmux_set_io(PMUX_PINGRP_GMI_A18_PB1, PMUX_PIN_INPUT);
+ pinmux_set_io(PMUX_PINGRP_GMI_A19_PK7, PMUX_PIN_OUTPUT);
+
+ pinmux_tristate_disable(PMUX_PINGRP_GMI_A16_PJ7);
+ pinmux_tristate_disable(PMUX_PINGRP_GMI_A17_PB0);
+ pinmux_tristate_disable(PMUX_PINGRP_GMI_A18_PB1);
+ pinmux_tristate_disable(PMUX_PINGRP_GMI_A19_PK7);
+ break;
+ }
+ break;
+
+ /* Add other periph IDs here as needed */
+
+ default:
+ debug("%s: invalid periph_id %d", __func__, id);
+ return -1;
+ }
+
+ if (bad_config) {
+ debug("%s: invalid config %d for periph_id %d", __func__,
+ config, id);
+ return -1;
+ }
+ return 0;
+}
--- /dev/null
+/*
+ * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/pinmux.h>
+
+#define PIN(pin, f0, f1, f2, f3) \
+ { \
+ .funcs = { \
+ PMUX_FUNC_##f0, \
+ PMUX_FUNC_##f1, \
+ PMUX_FUNC_##f2, \
+ PMUX_FUNC_##f3, \
+ }, \
+ }
+
+#define PIN_RESERVED {}
+
+static const struct pmux_pingrp_desc tegra114_pingroups[] = {
+ /* pin, f0, f1, f2, f3 */
+ /* Offset 0x3000 */
+ PIN(ULPI_DATA0_PO1, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA1_PO2, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA2_PO3, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA3_PO4, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA4_PO5, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA5_PO6, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA6_PO7, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA7_PO0, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_CLK_PY0, SPI1, SPI5, UARTD, ULPI),
+ PIN(ULPI_DIR_PY1, SPI1, SPI5, UARTD, ULPI),
+ PIN(ULPI_NXT_PY2, SPI1, SPI5, UARTD, ULPI),
+ PIN(ULPI_STP_PY3, SPI1, SPI5, UARTD, ULPI),
+ PIN(DAP3_FS_PP0, I2S2, SPI5, DISPLAYA, DISPLAYB),
+ PIN(DAP3_DIN_PP1, I2S2, SPI5, DISPLAYA, DISPLAYB),
+ PIN(DAP3_DOUT_PP2, I2S2, SPI5, DISPLAYA, DISPLAYB),
+ PIN(DAP3_SCLK_PP3, I2S2, SPI5, DISPLAYA, DISPLAYB),
+ PIN(PV0, USB, RSVD2, RSVD3, RSVD4),
+ PIN(PV1, RSVD1, RSVD2, RSVD3, RSVD4),
+ PIN(SDMMC1_CLK_PZ0, SDMMC1, CLK12, RSVD3, RSVD4),
+ PIN(SDMMC1_CMD_PZ1, SDMMC1, SPDIF, SPI4, UARTA),
+ PIN(SDMMC1_DAT3_PY4, SDMMC1, SPDIF, SPI4, UARTA),
+ PIN(SDMMC1_DAT2_PY5, SDMMC1, PWM0, SPI4, UARTA),
+ PIN(SDMMC1_DAT1_PY6, SDMMC1, PWM1, SPI4, UARTA),
+ PIN(SDMMC1_DAT0_PY7, SDMMC1, RSVD2, SPI4, UARTA),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x3068 */
+ PIN(CLK2_OUT_PW5, EXTPERIPH2, RSVD2, RSVD3, RSVD4),
+ PIN(CLK2_REQ_PCC5, DAP, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x3110 */
+ PIN(HDMI_INT_PN7, RSVD1, RSVD2, RSVD3, RSVD4),
+ PIN(DDC_SCL_PV4, I2C4, RSVD2, RSVD3, RSVD4),
+ PIN(DDC_SDA_PV5, I2C4, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x3164 */
+ PIN(UART2_RXD_PC3, IRDA, SPDIF, UARTA, SPI4),
+ PIN(UART2_TXD_PC2, IRDA, SPDIF, UARTA, SPI4),
+ PIN(UART2_RTS_N_PJ6, UARTA, UARTB, RSVD3, SPI4),
+ PIN(UART2_CTS_N_PJ5, UARTA, UARTB, RSVD3, SPI4),
+ PIN(UART3_TXD_PW6, UARTC, RSVD2, RSVD3, SPI4),
+ PIN(UART3_RXD_PW7, UARTC, RSVD2, RSVD3, SPI4),
+ PIN(UART3_CTS_N_PA1, UARTC, SDMMC1, DTV, SPI4),
+ PIN(UART3_RTS_N_PC0, UARTC, PWM0, DTV, DISPLAYA),
+ PIN(PU0, OWR, UARTA, RSVD3, RSVD4),
+ PIN(PU1, RSVD1, UARTA, RSVD3, RSVD4),
+ PIN(PU2, RSVD1, UARTA, RSVD3, RSVD4),
+ PIN(PU3, PWM0, UARTA, DISPLAYA, DISPLAYB),
+ PIN(PU4, PWM1, UARTA, DISPLAYA, DISPLAYB),
+ PIN(PU5, PWM2, UARTA, DISPLAYA, DISPLAYB),
+ PIN(PU6, PWM3, UARTA, USB, DISPLAYB),
+ PIN(GEN1_I2C_SDA_PC5, I2C1, RSVD2, RSVD3, RSVD4),
+ PIN(GEN1_I2C_SCL_PC4, I2C1, RSVD2, RSVD3, RSVD4),
+ PIN(DAP4_FS_PP4, I2S3, RSVD2, DTV, RSVD4),
+ PIN(DAP4_DIN_PP5, I2S3, RSVD2, RSVD3, RSVD4),
+ PIN(DAP4_DOUT_PP6, I2S3, RSVD2, DTV, RSVD4),
+ PIN(DAP4_SCLK_PP7, I2S3, RSVD2, RSVD3, RSVD4),
+ PIN(CLK3_OUT_PEE0, EXTPERIPH3, RSVD2, RSVD3, RSVD4),
+ PIN(CLK3_REQ_PEE1, DEV3, RSVD2, RSVD3, RSVD4),
+ PIN(GMI_WP_N_PC7, RSVD1, NAND, GMI, GMI_ALT),
+ PIN(GMI_IORDY_PI5, SDMMC2, RSVD2, GMI, TRACE),
+ PIN(GMI_WAIT_PI7, SPI4, NAND, GMI, DTV),
+ PIN(GMI_ADV_N_PK0, RSVD1, NAND, GMI, TRACE),
+ PIN(GMI_CLK_PK1, SDMMC2, NAND, GMI, TRACE),
+ PIN(GMI_CS0_N_PJ0, RSVD1, NAND, GMI, USB),
+ PIN(GMI_CS1_N_PJ2, RSVD1, NAND, GMI, SOC),
+ PIN(GMI_CS2_N_PK3, SDMMC2, NAND, GMI, TRACE),
+ PIN(GMI_CS3_N_PK4, SDMMC2, NAND, GMI, GMI_ALT),
+ PIN(GMI_CS4_N_PK2, USB, NAND, GMI, TRACE),
+ PIN(GMI_CS6_N_PI3, NAND, NAND_ALT, GMI, SPI4),
+ PIN(GMI_CS7_N_PI6, NAND, NAND_ALT, GMI, SDMMC2),
+ PIN(GMI_AD0_PG0, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD1_PG1, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD2_PG2, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD3_PG3, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD4_PG4, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD5_PG5, RSVD1, NAND, GMI, SPI4),
+ PIN(GMI_AD6_PG6, RSVD1, NAND, GMI, SPI4),
+ PIN(GMI_AD7_PG7, RSVD1, NAND, GMI, SPI4),
+ PIN(GMI_AD8_PH0, PWM0, NAND, GMI, DTV),
+ PIN(GMI_AD9_PH1, PWM1, NAND, GMI, CLDVFS),
+ PIN(GMI_AD10_PH2, PWM2, NAND, GMI, CLDVFS),
+ PIN(GMI_AD11_PH3, PWM3, NAND, GMI, USB),
+ PIN(GMI_AD12_PH4, SDMMC2, NAND, GMI, RSVD4),
+ PIN(GMI_AD13_PH5, SDMMC2, NAND, GMI, RSVD4),
+ PIN(GMI_AD14_PH6, SDMMC2, NAND, GMI, DTV),
+ PIN(GMI_AD15_PH7, SDMMC2, NAND, GMI, DTV),
+ PIN(GMI_A16_PJ7, UARTD, TRACE, GMI, GMI_ALT),
+ PIN(GMI_A17_PB0, UARTD, RSVD2, GMI, TRACE),
+ PIN(GMI_A18_PB1, UARTD, RSVD2, GMI, TRACE),
+ PIN(GMI_A19_PK7, UARTD, SPI4, GMI, TRACE),
+ PIN(GMI_WR_N_PI0, RSVD1, NAND, GMI, SPI4),
+ PIN(GMI_OE_N_PI1, RSVD1, NAND, GMI, SOC),
+ PIN(GMI_DQS_P_PJ3, SDMMC2, NAND, GMI, TRACE),
+ PIN(GMI_RST_N_PI4, NAND, NAND_ALT, GMI, RSVD4),
+ PIN(GEN2_I2C_SCL_PT5, I2C2, RSVD2, GMI, RSVD4),
+ PIN(GEN2_I2C_SDA_PT6, I2C2, RSVD2, GMI, RSVD4),
+ PIN(SDMMC4_CLK_PCC4, SDMMC4, RSVD2, GMI, RSVD4),
+ PIN(SDMMC4_CMD_PT7, SDMMC4, RSVD2, GMI, RSVD4),
+ PIN(SDMMC4_DAT0_PAA0, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT1_PAA1, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT2_PAA2, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT3_PAA3, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT4_PAA4, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT5_PAA5, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT6_PAA6, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT7_PAA7, SDMMC4, RSVD2, GMI, RSVD4),
+ PIN_RESERVED,
+ /* Offset 0x3284 */
+ PIN(CAM_MCLK_PCC0, VI, VI_ALT1, VI_ALT3, RSVD4),
+ PIN(PCC1, I2S4, RSVD2, RSVD3, RSVD4),
+ PIN(PBB0, I2S4, VI, VI_ALT1, VI_ALT3),
+ PIN(CAM_I2C_SCL_PBB1, VGP1, I2C3, RSVD3, RSVD4),
+ PIN(CAM_I2C_SDA_PBB2, VGP2, I2C3, RSVD3, RSVD4),
+ PIN(PBB3, VGP3, DISPLAYA, DISPLAYB, RSVD4),
+ PIN(PBB4, VGP4, DISPLAYA, DISPLAYB, RSVD4),
+ PIN(PBB5, VGP5, DISPLAYA, DISPLAYB, RSVD4),
+ PIN(PBB6, VGP6, DISPLAYA, DISPLAYB, RSVD4),
+ PIN(PBB7, I2S4, RSVD2, RSVD3, RSVD4),
+ PIN(PCC2, I2S4, RSVD2, RSVD3, RSVD4),
+ PIN(JTAG_RTCK, RTCK, RSVD2, RSVD3, RSVD4),
+ PIN(PWR_I2C_SCL_PZ6, I2CPWR, RSVD2, RSVD3, RSVD4),
+ PIN(PWR_I2C_SDA_PZ7, I2CPWR, RSVD2, RSVD3, RSVD4),
+ PIN(KB_ROW0_PR0, KBC, RSVD2, RSVD3, RSVD4),
+ PIN(KB_ROW1_PR1, KBC, RSVD2, RSVD3, RSVD4),
+ PIN(KB_ROW2_PR2, KBC, RSVD2, RSVD3, RSVD4),
+ PIN(KB_ROW3_PR3, KBC, DISPLAYA, RSVD3, DISPLAYB),
+ PIN(KB_ROW4_PR4, KBC, DISPLAYA, SPI2, DISPLAYB),
+ PIN(KB_ROW5_PR5, KBC, DISPLAYA, SPI2, DISPLAYB),
+ PIN(KB_ROW6_PR6, KBC, DISPLAYA, DISPLAYA_ALT, DISPLAYB),
+ PIN(KB_ROW7_PR7, KBC, RSVD2, CLDVFS, UARTA),
+ PIN(KB_ROW8_PS0, KBC, RSVD2, CLDVFS, UARTA),
+ PIN(KB_ROW9_PS1, KBC, RSVD2, RSVD3, UARTA),
+ PIN(KB_ROW10_PS2, KBC, RSVD2, RSVD3, UARTA),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x32fc */
+ PIN(KB_COL0_PQ0, KBC, USB, SPI2, EMC_DLL),
+ PIN(KB_COL1_PQ1, KBC, RSVD2, SPI2, EMC_DLL),
+ PIN(KB_COL2_PQ2, KBC, RSVD2, SPI2, RSVD4),
+ PIN(KB_COL3_PQ3, KBC, DISPLAYA, PWM2, UARTA),
+ PIN(KB_COL4_PQ4, KBC, OWR, SDMMC3, UARTA),
+ PIN(KB_COL5_PQ5, KBC, RSVD2, SDMMC1, RSVD4),
+ PIN(KB_COL6_PQ6, KBC, RSVD2, SPI2, RSVD4),
+ PIN(KB_COL7_PQ7, KBC, RSVD2, SPI2, RSVD4),
+ PIN(CLK_32K_OUT_PA0, BLINK, SOC, RSVD3, RSVD4),
+ PIN(SYS_CLK_REQ_PZ5, SYSCLK, RSVD2, RSVD3, RSVD4),
+ PIN(CORE_PWR_REQ, PWRON, RSVD2, RSVD3, RSVD4),
+ PIN(CPU_PWR_REQ, CPU, RSVD2, RSVD3, RSVD4),
+ PIN(PWR_INT_N, PMI, RSVD2, RSVD3, RSVD4),
+ PIN(CLK_32K_IN, CLK, RSVD2, RSVD3, RSVD4),
+ PIN(OWR, OWR, RSVD2, RSVD3, RSVD4),
+ PIN(DAP1_FS_PN0, I2S0, HDA, GMI, RSVD4),
+ PIN(DAP1_DIN_PN1, I2S0, HDA, GMI, RSVD4),
+ PIN(DAP1_DOUT_PN2, I2S0, HDA, GMI, RSVD4),
+ PIN(DAP1_SCLK_PN3, I2S0, HDA, GMI, RSVD4),
+ PIN(CLK1_REQ_PEE2, DAP, DAP1, RSVD3, RSVD4),
+ PIN(CLK1_OUT_PW4, EXTPERIPH1, DAP2, RSVD3, RSVD4),
+ PIN(SPDIF_IN_PK6, SPDIF, USB, RSVD3, RSVD4),
+ PIN(SPDIF_OUT_PK5, SPDIF, RSVD2, RSVD3, RSVD4),
+ PIN(DAP2_FS_PA2, I2S1, HDA, RSVD3, RSVD4),
+ PIN(DAP2_DIN_PA4, I2S1, HDA, RSVD3, RSVD4),
+ PIN(DAP2_DOUT_PA5, I2S1, HDA, RSVD3, RSVD4),
+ PIN(DAP2_SCLK_PA3, I2S1, HDA, RSVD3, RSVD4),
+ PIN(DVFS_PWM_PX0, SPI6, CLDVFS, RSVD3, RSVD4),
+ PIN(GPIO_X1_AUD_PX1, SPI6, RSVD2, RSVD3, RSVD4),
+ PIN(GPIO_X3_AUD_PX3, SPI6, SPI1, RSVD3, RSVD4),
+ PIN(DVFS_CLK_PX2, SPI6, CLDVFS, RSVD3, RSVD4),
+ PIN(GPIO_X4_AUD_PX4, RSVD1, SPI1, SPI2, DAP2),
+ PIN(GPIO_X5_AUD_PX5, RSVD1, SPI1, SPI2, RSVD4),
+ PIN(GPIO_X6_AUD_PX6, SPI6, SPI1, SPI2, RSVD4),
+ PIN(GPIO_X7_AUD_PX7, RSVD1, SPI1, SPI2, RSVD4),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x3390 */
+ PIN(SDMMC3_CLK_PA6, SDMMC3, RSVD2, RSVD3, SPI3),
+ PIN(SDMMC3_CMD_PA7, SDMMC3, PWM3, UARTA, SPI3),
+ PIN(SDMMC3_DAT0_PB7, SDMMC3, RSVD2, RSVD3, SPI3),
+ PIN(SDMMC3_DAT1_PB6, SDMMC3, PWM2, UARTA, SPI3),
+ PIN(SDMMC3_DAT2_PB5, SDMMC3, PWM1, DISPLAYA, SPI3),
+ PIN(SDMMC3_DAT3_PB4, SDMMC3, PWM0, DISPLAYB, SPI3),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x33e0 */
+ PIN(HDMI_CEC_PEE3, CEC, SDMMC3, RSVD3, SOC),
+ PIN(SDMMC1_WP_N_PV3, SDMMC1, CLK12, SPI4, UARTA),
+ PIN(SDMMC3_CD_N_PV2, SDMMC3, OWR, RSVD3, RSVD4),
+ PIN(GPIO_W2_AUD_PW2, SPI6, RSVD2, SPI2, I2C1),
+ PIN(GPIO_W3_AUD_PW3, SPI6, SPI1, SPI2, I2C1),
+ PIN(USB_VBUS_EN0_PN4, USB, RSVD2, RSVD3, RSVD4),
+ PIN(USB_VBUS_EN1_PN5, USB, RSVD2, RSVD3, RSVD4),
+ PIN(SDMMC3_CLK_LB_IN_PEE5, SDMMC3, RSVD2, RSVD3, RSVD4),
+ PIN(SDMMC3_CLK_LB_OUT_PEE4, SDMMC3, RSVD2, RSVD3, RSVD4),
+ PIN(GMI_CLK_LB, SDMMC2, NAND, GMI, RSVD4),
+ PIN(RESET_OUT_N, RSVD1, RSVD2, RSVD3, RESET_OUT_N),
+};
+const struct pmux_pingrp_desc *tegra_soc_pingroups = tegra114_pingroups;
--- /dev/null
+if TEGRA124
+
+choice
+ prompt "Tegra124 board select"
+
+config TARGET_JETSON_TK1
+ bool "NVIDIA Tegra124 Jetson TK1 board"
+
+config TARGET_NYAN_BIG
+ bool "Google/NVIDIA Nyan-big Chrombook"
+ help
+ Nyan Big is a Tegra124 clamshell board that is very similar
+ to venice2, but it has a different panel, the sdcard CD and WP
+ sense are flipped, and it has a different revision of the AS3722
+ PMIC. The retail name is the Acer Chromebook 13 CB5-311-T7NN
+ (13.3-inch HD, NVIDIA Tegra K1, 2GB).
+
+config TARGET_VENICE2
+ bool "NVIDIA Tegra124 Venice2"
+
+endchoice
+
+config SYS_SOC
+ default "tegra124"
+
+source "board/nvidia/jetson-tk1/Kconfig"
+source "board/nvidia/nyan-big/Kconfig"
+source "board/nvidia/venice2/Kconfig"
+
+endif
--- /dev/null
+#
+# (C) Copyright 2013-2014
+# NVIDIA Corporation <www.nvidia.com>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-$(CONFIG_SPL_BUILD) += cpu.o
+
+obj-y += clock.o
+obj-y += funcmux.o
+obj-y += pinmux.o
+obj-y += xusb-padctl.o
--- /dev/null
+/*
+ * (C) Copyright 2013
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/* Tegra124 Clock control functions */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sysctr.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/timer.h>
+#include <div64.h>
+#include <fdtdec.h>
+
+/*
+ * Clock types that we can use as a source. The Tegra124 has muxes for the
+ * peripheral clocks, and in most cases there are four options for the clock
+ * source. This gives us a clock 'type' and exploits what commonality exists
+ * in the device.
+ *
+ * Letters are obvious, except for T which means CLK_M, and S which means the
+ * clock derived from 32KHz. Beware that CLK_M (also called OSC in the
+ * datasheet) and PLL_M are different things. The former is the basic
+ * clock supplied to the SOC from an external oscillator. The latter is the
+ * memory clock PLL.
+ *
+ * See definitions in clock_id in the header file.
+ */
+enum clock_type_id {
+ CLOCK_TYPE_AXPT, /* PLL_A, PLL_X, PLL_P, CLK_M */
+ CLOCK_TYPE_MCPA, /* and so on */
+ CLOCK_TYPE_MCPT,
+ CLOCK_TYPE_PCM,
+ CLOCK_TYPE_PCMT,
+ CLOCK_TYPE_PDCT,
+ CLOCK_TYPE_ACPT,
+ CLOCK_TYPE_ASPTE,
+ CLOCK_TYPE_PMDACD2T,
+ CLOCK_TYPE_PCST,
+
+ CLOCK_TYPE_PC2CC3M,
+ CLOCK_TYPE_PC2CC3S_T,
+ CLOCK_TYPE_PC2CC3M_T,
+ CLOCK_TYPE_PC2CC3M_T16, /* PC2CC3M_T, but w/16-bit divisor (I2C) */
+ CLOCK_TYPE_MC2CC3P_A,
+ CLOCK_TYPE_M,
+ CLOCK_TYPE_MCPTM2C2C3,
+ CLOCK_TYPE_PC2CC3T_S,
+ CLOCK_TYPE_AC2CC3P_TS2,
+
+ CLOCK_TYPE_COUNT,
+ CLOCK_TYPE_NONE = -1, /* invalid clock type */
+};
+
+enum {
+ CLOCK_MAX_MUX = 8 /* number of source options for each clock */
+};
+
+/*
+ * Clock source mux for each clock type. This just converts our enum into
+ * a list of mux sources for use by the code.
+ *
+ * Note:
+ * The extra column in each clock source array is used to store the mask
+ * bits in its register for the source.
+ */
+#define CLK(x) CLOCK_ID_ ## x
+static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX+1] = {
+ { CLK(AUDIO), CLK(XCPU), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(AUDIO),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(NONE),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(DISPLAY), CLK(CGENERAL), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(AUDIO), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(AUDIO), CLK(SFROM32KHZ), CLK(PERIPH), CLK(OSC),
+ CLK(EPCI), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_29},
+ { CLK(PERIPH), CLK(MEMORY), CLK(DISPLAY), CLK(AUDIO),
+ CLK(CGENERAL), CLK(DISPLAY2), CLK(OSC), CLK(NONE),
+ MASK_BITS_31_29},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(SFROM32KHZ), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_28},
+
+ /* Additional clock types on Tegra114+ */
+ /* CLOCK_TYPE_PC2CC3M */
+ { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
+ CLK(MEMORY), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_29},
+ /* CLOCK_TYPE_PC2CC3S_T */
+ { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
+ CLK(SFROM32KHZ), CLK(NONE), CLK(OSC), CLK(NONE),
+ MASK_BITS_31_29},
+ /* CLOCK_TYPE_PC2CC3M_T */
+ { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
+ CLK(MEMORY), CLK(NONE), CLK(OSC), CLK(NONE),
+ MASK_BITS_31_29},
+ /* CLOCK_TYPE_PC2CC3M_T, w/16-bit divisor (I2C) */
+ { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
+ CLK(MEMORY), CLK(NONE), CLK(OSC), CLK(NONE),
+ MASK_BITS_31_29},
+ /* CLOCK_TYPE_MC2CC3P_A */
+ { CLK(MEMORY), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
+ CLK(PERIPH), CLK(NONE), CLK(AUDIO), CLK(NONE),
+ MASK_BITS_31_29},
+ /* CLOCK_TYPE_M */
+ { CLK(MEMORY), CLK(NONE), CLK(NONE), CLK(NONE),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ /* CLOCK_TYPE_MCPTM2C2C3 */
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
+ CLK(MEMORY2), CLK(CGENERAL2), CLK(CGENERAL3), CLK(NONE),
+ MASK_BITS_31_29},
+ /* CLOCK_TYPE_PC2CC3T_S */
+ { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
+ CLK(OSC), CLK(NONE), CLK(SFROM32KHZ), CLK(NONE),
+ MASK_BITS_31_29},
+ /* CLOCK_TYPE_AC2CC3P_TS2 */
+ { CLK(AUDIO), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
+ CLK(PERIPH), CLK(NONE), CLK(OSC), CLK(SRC2),
+ MASK_BITS_31_29},
+};
+
+/*
+ * Clock type for each peripheral clock source. We put the name in each
+ * record just so it is easy to match things up
+ */
+#define TYPE(name, type) type
+static enum clock_type_id clock_periph_type[PERIPHC_COUNT] = {
+ /* 0x00 */
+ TYPE(PERIPHC_I2S1, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2S2, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_SPDIF_OUT, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_SPDIF_IN, CLOCK_TYPE_PC2CC3M),
+ TYPE(PERIPHC_PWM, CLOCK_TYPE_PC2CC3S_T),
+ TYPE(PERIPHC_05h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC2, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_SBC3, CLOCK_TYPE_PC2CC3M_T),
+
+ /* 0x08 */
+ TYPE(PERIPHC_08h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_I2C1, CLOCK_TYPE_PC2CC3M_T16),
+ TYPE(PERIPHC_I2C5, CLOCK_TYPE_PC2CC3M_T16),
+ TYPE(PERIPHC_0bh, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_0ch, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC1, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_DISP1, CLOCK_TYPE_PMDACD2T),
+ TYPE(PERIPHC_DISP2, CLOCK_TYPE_PMDACD2T),
+
+ /* 0x10 */
+ TYPE(PERIPHC_10h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_11h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI, CLOCK_TYPE_MC2CC3P_A),
+ TYPE(PERIPHC_13h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SDMMC1, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_SDMMC2, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_16h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_17h, CLOCK_TYPE_NONE),
+
+ /* 0x18 */
+ TYPE(PERIPHC_18h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SDMMC4, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_VFIR, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_1Bh, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_1Ch, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_HSI, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_UART1, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_UART2, CLOCK_TYPE_PC2CC3M_T),
+
+ /* 0x20 */
+ TYPE(PERIPHC_HOST1X, CLOCK_TYPE_MC2CC3P_A),
+ TYPE(PERIPHC_21h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_22h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_HDMI, CLOCK_TYPE_PMDACD2T),
+ TYPE(PERIPHC_24h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_25h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_I2C2, CLOCK_TYPE_PC2CC3M_T16),
+ TYPE(PERIPHC_EMC, CLOCK_TYPE_MCPTM2C2C3),
+
+ /* 0x28 */
+ TYPE(PERIPHC_UART3, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_29h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI_SENSOR, CLOCK_TYPE_MC2CC3P_A),
+ TYPE(PERIPHC_2bh, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_2ch, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC4, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_I2C3, CLOCK_TYPE_PC2CC3M_T16),
+ TYPE(PERIPHC_SDMMC3, CLOCK_TYPE_PC2CC3M_T),
+
+ /* 0x30 */
+ TYPE(PERIPHC_UART4, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_UART5, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_VDE, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_OWR, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_NOR, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_CSITE, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_I2S0, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_DTV, CLOCK_TYPE_NONE),
+
+ /* 0x38 */
+ TYPE(PERIPHC_38h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_39h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_3ah, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_3bh, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_MSENC, CLOCK_TYPE_MC2CC3P_A),
+ TYPE(PERIPHC_TSEC, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_3eh, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_OSC, CLOCK_TYPE_NONE),
+
+ /* 0x40 */
+ TYPE(PERIPHC_40h, CLOCK_TYPE_NONE), /* start with 0x3b0 */
+ TYPE(PERIPHC_MSELECT, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_TSENSOR, CLOCK_TYPE_PC2CC3T_S),
+ TYPE(PERIPHC_I2S3, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2S4, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2C4, CLOCK_TYPE_PC2CC3M_T16),
+ TYPE(PERIPHC_SBC5, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_SBC6, CLOCK_TYPE_PC2CC3M_T),
+
+ /* 0x48 */
+ TYPE(PERIPHC_AUDIO, CLOCK_TYPE_AC2CC3P_TS2),
+ TYPE(PERIPHC_49h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_DAM0, CLOCK_TYPE_AC2CC3P_TS2),
+ TYPE(PERIPHC_DAM1, CLOCK_TYPE_AC2CC3P_TS2),
+ TYPE(PERIPHC_DAM2, CLOCK_TYPE_AC2CC3P_TS2),
+ TYPE(PERIPHC_HDA2CODEC2X, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_ACTMON, CLOCK_TYPE_PC2CC3S_T),
+ TYPE(PERIPHC_EXTPERIPH1, CLOCK_TYPE_ASPTE),
+
+ /* 0x50 */
+ TYPE(PERIPHC_EXTPERIPH2, CLOCK_TYPE_ASPTE),
+ TYPE(PERIPHC_EXTPERIPH3, CLOCK_TYPE_ASPTE),
+ TYPE(PERIPHC_52h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_I2CSLOW, CLOCK_TYPE_PC2CC3S_T),
+ TYPE(PERIPHC_SYS, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_55h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_56h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_57h, CLOCK_TYPE_NONE),
+
+ /* 0x58 */
+ TYPE(PERIPHC_58h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_59h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_5ah, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_5bh, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SATAOOB, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SATA, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_HDA, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_5fh, CLOCK_TYPE_NONE),
+
+ /* 0x60 */
+ TYPE(PERIPHC_XUSB_CORE_HOST, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_XUSB_FALCON, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_XUSB_FS, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_XUSB_CORE_DEV, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_XUSB_SS, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_CILAB, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_CILCD, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_CILE, CLOCK_TYPE_NONE),
+
+ /* 0x68 */
+ TYPE(PERIPHC_DSIA_LP, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_DSIB_LP, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_ENTROPY, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_DVFS_REF, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_DVFS_SOC, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_TRACECLKIN, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_ADX0, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_AMX0, CLOCK_TYPE_NONE),
+
+ /* 0x70 */
+ TYPE(PERIPHC_EMC_LATENCY, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SOC_THERM, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_72h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_73h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_74h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_75h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI_SENSOR2, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_I2C6, CLOCK_TYPE_PC2CC3M_T16),
+
+ /* 0x78 */
+ TYPE(PERIPHC_78h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_EMC_DLL, CLOCK_TYPE_MCPTM2C2C3),
+ TYPE(PERIPHC_HDMI_AUDIO, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_CLK72MHZ, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_ADX1, CLOCK_TYPE_AC2CC3P_TS2),
+ TYPE(PERIPHC_AMX1, CLOCK_TYPE_AC2CC3P_TS2),
+ TYPE(PERIPHC_VIC, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_7Fh, CLOCK_TYPE_NONE),
+};
+
+/*
+ * This array translates a periph_id to a periphc_internal_id
+ *
+ * Not present/matched up:
+ * uint vi_sensor; _VI_SENSOR_0, 0x1A8
+ * SPDIF - which is both 0x08 and 0x0c
+ *
+ */
+#define NONE(name) (-1)
+#define OFFSET(name, value) PERIPHC_ ## name
+static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = {
+ /* Low word: 31:0 */
+ NONE(CPU),
+ NONE(COP),
+ NONE(TRIGSYS),
+ NONE(ISPB),
+ NONE(RESERVED4),
+ NONE(TMR),
+ PERIPHC_UART1,
+ PERIPHC_UART2, /* and vfir 0x68 */
+
+ /* 8 */
+ NONE(GPIO),
+ PERIPHC_SDMMC2,
+ PERIPHC_SPDIF_IN,
+ PERIPHC_I2S1,
+ PERIPHC_I2C1,
+ NONE(RESERVED13),
+ PERIPHC_SDMMC1,
+ PERIPHC_SDMMC4,
+
+ /* 16 */
+ NONE(TCW),
+ PERIPHC_PWM,
+ PERIPHC_I2S2,
+ NONE(RESERVED19),
+ PERIPHC_VI,
+ NONE(RESERVED21),
+ NONE(USBD),
+ NONE(ISP),
+
+ /* 24 */
+ NONE(RESERVED24),
+ NONE(RESERVED25),
+ PERIPHC_DISP2,
+ PERIPHC_DISP1,
+ PERIPHC_HOST1X,
+ NONE(VCP),
+ PERIPHC_I2S0,
+ NONE(CACHE2),
+
+ /* Middle word: 63:32 */
+ NONE(MEM),
+ NONE(AHBDMA),
+ NONE(APBDMA),
+ NONE(RESERVED35),
+ NONE(RESERVED36),
+ NONE(STAT_MON),
+ NONE(RESERVED38),
+ NONE(FUSE),
+
+ /* 40 */
+ NONE(KFUSE),
+ PERIPHC_SBC1, /* SBCx = SPIx */
+ PERIPHC_NOR,
+ NONE(RESERVED43),
+ PERIPHC_SBC2,
+ NONE(XIO),
+ PERIPHC_SBC3,
+ PERIPHC_I2C5,
+
+ /* 48 */
+ NONE(DSI),
+ NONE(RESERVED49),
+ PERIPHC_HSI,
+ PERIPHC_HDMI,
+ NONE(CSI),
+ NONE(RESERVED53),
+ PERIPHC_I2C2,
+ PERIPHC_UART3,
+
+ /* 56 */
+ NONE(MIPI_CAL),
+ PERIPHC_EMC,
+ NONE(USB2),
+ NONE(USB3),
+ NONE(RESERVED60),
+ PERIPHC_VDE,
+ NONE(BSEA),
+ NONE(BSEV),
+
+ /* Upper word 95:64 */
+ NONE(RESERVED64),
+ PERIPHC_UART4,
+ PERIPHC_UART5,
+ PERIPHC_I2C3,
+ PERIPHC_SBC4,
+ PERIPHC_SDMMC3,
+ NONE(PCIE),
+ PERIPHC_OWR,
+
+ /* 72 */
+ NONE(AFI),
+ PERIPHC_CSITE,
+ NONE(PCIEXCLK),
+ NONE(AVPUCQ),
+ NONE(LA),
+ NONE(TRACECLKIN),
+ NONE(SOC_THERM),
+ NONE(DTV),
+
+ /* 80 */
+ NONE(RESERVED80),
+ PERIPHC_I2CSLOW,
+ NONE(DSIB),
+ PERIPHC_TSEC,
+ NONE(RESERVED84),
+ NONE(RESERVED85),
+ NONE(RESERVED86),
+ NONE(EMUCIF),
+
+ /* 88 */
+ NONE(RESERVED88),
+ NONE(XUSB_HOST),
+ NONE(RESERVED90),
+ PERIPHC_MSENC,
+ NONE(RESERVED92),
+ NONE(RESERVED93),
+ NONE(RESERVED94),
+ NONE(XUSB_DEV),
+
+ /* V word: 31:0 */
+ NONE(CPUG),
+ NONE(CPULP),
+ NONE(V_RESERVED2),
+ PERIPHC_MSELECT,
+ NONE(V_RESERVED4),
+ PERIPHC_I2S3,
+ PERIPHC_I2S4,
+ PERIPHC_I2C4,
+
+ /* 104 */
+ PERIPHC_SBC5,
+ PERIPHC_SBC6,
+ PERIPHC_AUDIO,
+ NONE(APBIF),
+ PERIPHC_DAM0,
+ PERIPHC_DAM1,
+ PERIPHC_DAM2,
+ PERIPHC_HDA2CODEC2X,
+
+ /* 112 */
+ NONE(ATOMICS),
+ NONE(V_RESERVED17),
+ NONE(V_RESERVED18),
+ NONE(V_RESERVED19),
+ NONE(V_RESERVED20),
+ NONE(V_RESERVED21),
+ NONE(V_RESERVED22),
+ PERIPHC_ACTMON,
+
+ /* 120 */
+ NONE(EXTPERIPH1),
+ NONE(EXTPERIPH2),
+ NONE(EXTPERIPH3),
+ NONE(OOB),
+ PERIPHC_SATA,
+ PERIPHC_HDA,
+ NONE(TZRAM),
+ NONE(SE),
+
+ /* W word: 31:0 */
+ NONE(HDA2HDMICODEC),
+ NONE(SATACOLD),
+ NONE(W_RESERVED2),
+ NONE(W_RESERVED3),
+ NONE(W_RESERVED4),
+ NONE(W_RESERVED5),
+ NONE(W_RESERVED6),
+ NONE(W_RESERVED7),
+
+ /* 136 */
+ NONE(CEC),
+ NONE(W_RESERVED9),
+ NONE(W_RESERVED10),
+ NONE(W_RESERVED11),
+ NONE(W_RESERVED12),
+ NONE(W_RESERVED13),
+ NONE(XUSB_PADCTL),
+ NONE(W_RESERVED15),
+
+ /* 144 */
+ NONE(W_RESERVED16),
+ NONE(W_RESERVED17),
+ NONE(W_RESERVED18),
+ NONE(W_RESERVED19),
+ NONE(W_RESERVED20),
+ NONE(ENTROPY),
+ NONE(DDS),
+ NONE(W_RESERVED23),
+
+ /* 152 */
+ NONE(DP2),
+ NONE(AMX0),
+ NONE(ADX0),
+ NONE(DVFS),
+ NONE(XUSB_SS),
+ NONE(W_RESERVED29),
+ NONE(W_RESERVED30),
+ NONE(W_RESERVED31),
+
+ /* X word: 31:0 */
+ NONE(SPARE),
+ NONE(X_RESERVED1),
+ NONE(X_RESERVED2),
+ NONE(X_RESERVED3),
+ NONE(CAM_MCLK),
+ NONE(CAM_MCLK2),
+ PERIPHC_I2C6,
+ NONE(X_RESERVED7),
+
+ /* 168 */
+ NONE(X_RESERVED8),
+ NONE(X_RESERVED9),
+ NONE(X_RESERVED10),
+ NONE(VIM2_CLK),
+ NONE(X_RESERVED12),
+ NONE(X_RESERVED13),
+ NONE(EMC_DLL),
+ NONE(X_RESERVED15),
+
+ /* 176 */
+ NONE(HDMI_AUDIO),
+ NONE(CLK72MHZ),
+ NONE(VIC),
+ NONE(X_RESERVED19),
+ NONE(ADX1),
+ NONE(DPAUX),
+ NONE(SOR0),
+ NONE(X_RESERVED23),
+
+ /* 184 */
+ NONE(GPU),
+ NONE(AMX1),
+ NONE(X_RESERVED26),
+ NONE(X_RESERVED27),
+ NONE(X_RESERVED28),
+ NONE(X_RESERVED29),
+ NONE(X_RESERVED30),
+ NONE(X_RESERVED31),
+};
+
+/*
+ * Get the oscillator frequency, from the corresponding hardware configuration
+ * field. Note that Tegra30+ support 3 new higher freqs, but we map back
+ * to the old T20 freqs. Support for the higher oscillators is TBD.
+ */
+enum clock_osc_freq clock_get_osc_freq(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ reg = readl(&clkrst->crc_osc_ctrl);
+ reg = (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
+
+ if (reg & 1) /* one of the newer freqs */
+ printf("Warning: OSC_FREQ is unsupported! (%d)\n", reg);
+
+ return reg >> 2; /* Map to most common (T20) freqs */
+}
+
+/* Returns a pointer to the clock source register for a peripheral */
+u32 *get_periph_source_reg(enum periph_id periph_id)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ enum periphc_internal_id internal_id;
+
+ /* Coresight is a special case */
+ if (periph_id == PERIPH_ID_CSI)
+ return &clkrst->crc_clk_src[PERIPH_ID_CSI+1];
+
+ assert(periph_id >= PERIPH_ID_FIRST && periph_id < PERIPH_ID_COUNT);
+ internal_id = periph_id_to_internal_id[periph_id];
+ assert(internal_id != -1);
+ if (internal_id >= PERIPHC_VW_FIRST) {
+ internal_id -= PERIPHC_VW_FIRST;
+ return &clkrst->crc_clk_src_vw[internal_id];
+ } else {
+ return &clkrst->crc_clk_src[internal_id];
+ }
+}
+
+/**
+ * Given a peripheral ID and the required source clock, this returns which
+ * value should be programmed into the source mux for that peripheral.
+ *
+ * There is special code here to handle the one source type with 5 sources.
+ *
+ * @param periph_id peripheral to start
+ * @param source PLL id of required parent clock
+ * @param mux_bits Set to number of bits in mux register: 2 or 4
+ * @param divider_bits Set to number of divider bits (8 or 16)
+ * @return mux value (0-4, or -1 if not found)
+ */
+int get_periph_clock_source(enum periph_id periph_id,
+ enum clock_id parent, int *mux_bits, int *divider_bits)
+{
+ enum clock_type_id type;
+ enum periphc_internal_id internal_id;
+ int mux;
+
+ assert(clock_periph_id_isvalid(periph_id));
+
+ internal_id = periph_id_to_internal_id[periph_id];
+ assert(periphc_internal_id_isvalid(internal_id));
+
+ type = clock_periph_type[internal_id];
+ assert(clock_type_id_isvalid(type));
+
+ *mux_bits = clock_source[type][CLOCK_MAX_MUX];
+
+ if (type == CLOCK_TYPE_PC2CC3M_T16)
+ *divider_bits = 16;
+ else
+ *divider_bits = 8;
+
+ for (mux = 0; mux < CLOCK_MAX_MUX; mux++)
+ if (clock_source[type][mux] == parent)
+ return mux;
+
+ /* if we get here, either us or the caller has made a mistake */
+ printf("Caller requested bad clock: periph=%d, parent=%d\n", periph_id,
+ parent);
+ return -1;
+}
+
+void clock_set_enable(enum periph_id periph_id, int enable)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 *clk;
+ u32 reg;
+
+ /* Enable/disable the clock to this peripheral */
+ assert(clock_periph_id_isvalid(periph_id));
+ if ((int)periph_id < (int)PERIPH_ID_VW_FIRST)
+ clk = &clkrst->crc_clk_out_enb[PERIPH_REG(periph_id)];
+ else
+ clk = &clkrst->crc_clk_out_enb_vw[PERIPH_REG(periph_id)];
+ reg = readl(clk);
+ if (enable)
+ reg |= PERIPH_MASK(periph_id);
+ else
+ reg &= ~PERIPH_MASK(periph_id);
+ writel(reg, clk);
+}
+
+void reset_set_enable(enum periph_id periph_id, int enable)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 *reset;
+ u32 reg;
+
+ /* Enable/disable reset to the peripheral */
+ assert(clock_periph_id_isvalid(periph_id));
+ if (periph_id < PERIPH_ID_VW_FIRST)
+ reset = &clkrst->crc_rst_dev[PERIPH_REG(periph_id)];
+ else
+ reset = &clkrst->crc_rst_dev_vw[PERIPH_REG(periph_id)];
+ reg = readl(reset);
+ if (enable)
+ reg |= PERIPH_MASK(periph_id);
+ else
+ reg &= ~PERIPH_MASK(periph_id);
+ writel(reg, reset);
+}
+
+#ifdef CONFIG_OF_CONTROL
+/*
+ * Convert a device tree clock ID to our peripheral ID. They are mostly
+ * the same but we are very cautious so we check that a valid clock ID is
+ * provided.
+ *
+ * @param clk_id Clock ID according to tegra124 device tree binding
+ * @return peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid
+ */
+enum periph_id clk_id_to_periph_id(int clk_id)
+{
+ if (clk_id > PERIPH_ID_COUNT)
+ return PERIPH_ID_NONE;
+
+ switch (clk_id) {
+ case PERIPH_ID_RESERVED4:
+ case PERIPH_ID_RESERVED25:
+ case PERIPH_ID_RESERVED35:
+ case PERIPH_ID_RESERVED36:
+ case PERIPH_ID_RESERVED38:
+ case PERIPH_ID_RESERVED43:
+ case PERIPH_ID_RESERVED49:
+ case PERIPH_ID_RESERVED53:
+ case PERIPH_ID_RESERVED64:
+ case PERIPH_ID_RESERVED84:
+ case PERIPH_ID_RESERVED85:
+ case PERIPH_ID_RESERVED86:
+ case PERIPH_ID_RESERVED88:
+ case PERIPH_ID_RESERVED90:
+ case PERIPH_ID_RESERVED92:
+ case PERIPH_ID_RESERVED93:
+ case PERIPH_ID_RESERVED94:
+ case PERIPH_ID_V_RESERVED2:
+ case PERIPH_ID_V_RESERVED4:
+ case PERIPH_ID_V_RESERVED17:
+ case PERIPH_ID_V_RESERVED18:
+ case PERIPH_ID_V_RESERVED19:
+ case PERIPH_ID_V_RESERVED20:
+ case PERIPH_ID_V_RESERVED21:
+ case PERIPH_ID_V_RESERVED22:
+ case PERIPH_ID_W_RESERVED2:
+ case PERIPH_ID_W_RESERVED3:
+ case PERIPH_ID_W_RESERVED4:
+ case PERIPH_ID_W_RESERVED5:
+ case PERIPH_ID_W_RESERVED6:
+ case PERIPH_ID_W_RESERVED7:
+ case PERIPH_ID_W_RESERVED9:
+ case PERIPH_ID_W_RESERVED10:
+ case PERIPH_ID_W_RESERVED11:
+ case PERIPH_ID_W_RESERVED12:
+ case PERIPH_ID_W_RESERVED13:
+ case PERIPH_ID_W_RESERVED15:
+ case PERIPH_ID_W_RESERVED16:
+ case PERIPH_ID_W_RESERVED17:
+ case PERIPH_ID_W_RESERVED18:
+ case PERIPH_ID_W_RESERVED19:
+ case PERIPH_ID_W_RESERVED20:
+ case PERIPH_ID_W_RESERVED23:
+ case PERIPH_ID_W_RESERVED29:
+ case PERIPH_ID_W_RESERVED30:
+ case PERIPH_ID_W_RESERVED31:
+ return PERIPH_ID_NONE;
+ default:
+ return clk_id;
+ }
+}
+#endif /* CONFIG_OF_CONTROL */
+
+void clock_early_init(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+
+ tegra30_set_up_pllp();
+
+ /*
+ * PLLC output frequency set to 600Mhz
+ * PLLD output frequency set to 925Mhz
+ */
+ switch (clock_get_osc_freq()) {
+ case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 12, 0, 8);
+ clock_set_rate(CLOCK_ID_DISPLAY, 925, 12, 0, 12);
+ break;
+
+ case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 26, 0, 8);
+ clock_set_rate(CLOCK_ID_DISPLAY, 925, 26, 0, 12);
+ break;
+
+ case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 13, 0, 8);
+ clock_set_rate(CLOCK_ID_DISPLAY, 925, 13, 0, 12);
+ break;
+ case CLOCK_OSC_FREQ_19_2:
+ default:
+ /*
+ * These are not supported. It is too early to print a
+ * message and the UART likely won't work anyway due to the
+ * oscillator being wrong.
+ */
+ break;
+ }
+
+ /* PLLC_MISC2: Set dynramp_stepA/B. MISC2 maps to pll_out[1] */
+ writel(0x00561600, &clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_out[1]);
+
+ /* PLLC_MISC: Set LOCK_ENABLE */
+ writel(0x01000000, &clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_misc);
+ udelay(2);
+
+ /* PLLD_MISC: Set CLKENABLE, CPCON 12, LFCON 1 */
+ writel(0x40000C10, &clkrst->crc_pll[CLOCK_ID_DISPLAY].pll_misc);
+ udelay(2);
+}
+
+void arch_timer_init(void)
+{
+ struct sysctr_ctlr *sysctr = (struct sysctr_ctlr *)NV_PA_TSC_BASE;
+ u32 freq, val;
+
+ freq = clock_get_rate(CLOCK_ID_OSC);
+ debug("%s: osc freq is %dHz [0x%08X]\n", __func__, freq, freq);
+
+ /* ARM CNTFRQ */
+ asm("mcr p15, 0, %0, c14, c0, 0\n" : : "r" (freq));
+
+ /* Only Tegra114+ has the System Counter regs */
+ debug("%s: setting CNTFID0 to 0x%08X\n", __func__, freq);
+ writel(freq, &sysctr->cntfid0);
+
+ val = readl(&sysctr->cntcr);
+ val |= TSC_CNTCR_ENABLE | TSC_CNTCR_HDBG;
+ writel(val, &sysctr->cntcr);
+ debug("%s: TSC CNTCR = 0x%08X\n", __func__, val);
+}
+
+#define PLLE_SS_CNTL 0x68
+#define PLLE_SS_CNTL_SSCINCINTR(x) (((x) & 0x3f) << 24)
+#define PLLE_SS_CNTL_SSCINC(x) (((x) & 0xff) << 16)
+#define PLLE_SS_CNTL_SSCINVERT (1 << 15)
+#define PLLE_SS_CNTL_SSCCENTER (1 << 14)
+#define PLLE_SS_CNTL_SSCBYP (1 << 12)
+#define PLLE_SS_CNTL_INTERP_RESET (1 << 11)
+#define PLLE_SS_CNTL_BYPASS_SS (1 << 10)
+#define PLLE_SS_CNTL_SSCMAX(x) (((x) & 0x1ff) << 0)
+
+#define PLLE_BASE 0x0e8
+#define PLLE_BASE_ENABLE (1 << 30)
+#define PLLE_BASE_LOCK_OVERRIDE (1 << 29)
+#define PLLE_BASE_PLDIV_CML(x) (((x) & 0xf) << 24)
+#define PLLE_BASE_NDIV(x) (((x) & 0xff) << 8)
+#define PLLE_BASE_MDIV(x) (((x) & 0xff) << 0)
+
+#define PLLE_MISC 0x0ec
+#define PLLE_MISC_IDDQ_SWCTL (1 << 14)
+#define PLLE_MISC_IDDQ_OVERRIDE (1 << 13)
+#define PLLE_MISC_LOCK_ENABLE (1 << 9)
+#define PLLE_MISC_PTS (1 << 8)
+#define PLLE_MISC_VREG_BG_CTRL(x) (((x) & 0x3) << 4)
+#define PLLE_MISC_VREG_CTRL(x) (((x) & 0x3) << 2)
+
+#define PLLE_AUX 0x48c
+#define PLLE_AUX_SEQ_ENABLE (1 << 24)
+#define PLLE_AUX_ENABLE_SWCTL (1 << 4)
+
+int tegra_plle_enable(void)
+{
+ unsigned int m = 1, n = 200, cpcon = 13;
+ u32 value;
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
+ value &= ~PLLE_BASE_LOCK_OVERRIDE;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_AUX);
+ value |= PLLE_AUX_ENABLE_SWCTL;
+ value &= ~PLLE_AUX_SEQ_ENABLE;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_AUX);
+
+ udelay(1);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
+ value |= PLLE_MISC_IDDQ_SWCTL;
+ value &= ~PLLE_MISC_IDDQ_OVERRIDE;
+ value |= PLLE_MISC_LOCK_ENABLE;
+ value |= PLLE_MISC_PTS;
+ value |= PLLE_MISC_VREG_BG_CTRL(3);
+ value |= PLLE_MISC_VREG_CTRL(2);
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_MISC);
+
+ udelay(5);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+ value |= PLLE_SS_CNTL_SSCBYP | PLLE_SS_CNTL_INTERP_RESET |
+ PLLE_SS_CNTL_BYPASS_SS;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
+ value &= ~PLLE_BASE_PLDIV_CML(0xf);
+ value &= ~PLLE_BASE_NDIV(0xff);
+ value &= ~PLLE_BASE_MDIV(0xff);
+ value |= PLLE_BASE_PLDIV_CML(cpcon);
+ value |= PLLE_BASE_NDIV(n);
+ value |= PLLE_BASE_MDIV(m);
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
+
+ udelay(1);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
+ value |= PLLE_BASE_ENABLE;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
+
+ /* wait for lock */
+ udelay(300);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+ value &= ~PLLE_SS_CNTL_SSCINVERT;
+ value &= ~PLLE_SS_CNTL_SSCCENTER;
+
+ value &= ~PLLE_SS_CNTL_SSCINCINTR(0x3f);
+ value &= ~PLLE_SS_CNTL_SSCINC(0xff);
+ value &= ~PLLE_SS_CNTL_SSCMAX(0x1ff);
+
+ value |= PLLE_SS_CNTL_SSCINCINTR(0x20);
+ value |= PLLE_SS_CNTL_SSCINC(0x01);
+ value |= PLLE_SS_CNTL_SSCMAX(0x25);
+
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+ value &= ~PLLE_SS_CNTL_SSCBYP;
+ value &= ~PLLE_SS_CNTL_BYPASS_SS;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+
+ udelay(1);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+ value &= ~PLLE_SS_CNTL_INTERP_RESET;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+
+ udelay(1);
+
+ return 0;
+}
--- /dev/null
+/*
+ * (C) Copyright 2013
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/ahb.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/flow.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/pmc.h>
+#include <asm/arch-tegra/ap.h>
+#include "../cpu.h"
+
+/* Tegra124-specific CPU init code */
+
+static void enable_cpu_power_rail(void)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+ debug("enable_cpu_power_rail entry\n");
+
+ /* un-tristate PWR_I2C SCL/SDA, rest of the defaults are correct */
+ pinmux_tristate_disable(PMUX_PINGRP_PWR_I2C_SCL_PZ6);
+ pinmux_tristate_disable(PMUX_PINGRP_PWR_I2C_SDA_PZ7);
+
+ pmic_enable_cpu_vdd();
+
+ /*
+ * Set CPUPWRGOOD_TIMER - APB clock is 1/2 of SCLK (102MHz),
+ * set it for 5ms as per SysEng (102MHz*5ms = 510000 (7C830h).
+ */
+ writel(0x7C830, &pmc->pmc_cpupwrgood_timer);
+
+ /* Set polarity to 0 (normal) and enable CPUPWRREQ_OE */
+ clrbits_le32(&pmc->pmc_cntrl, CPUPWRREQ_POL);
+ setbits_le32(&pmc->pmc_cntrl, CPUPWRREQ_OE);
+}
+
+static void enable_cpu_clocks(void)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ debug("enable_cpu_clocks entry\n");
+
+ /* Wait for PLL-X to lock */
+ do {
+ reg = readl(&clkrst->crc_pll_simple[SIMPLE_PLLX].pll_base);
+ debug("%s: PLLX base = 0x%08X\n", __func__, reg);
+ } while ((reg & PLL_LOCK_MASK) == 0);
+
+ debug("%s: PLLX locked, delay for stable clocks\n", __func__);
+ /* Wait until all clocks are stable */
+ udelay(PLL_STABILIZATION_DELAY);
+
+ debug("%s: Setting CCLK_BURST and DIVIDER\n", __func__);
+ writel(CCLK_BURST_POLICY, &clkrst->crc_cclk_brst_pol);
+ writel(SUPER_CCLK_DIVIDER, &clkrst->crc_super_cclk_div);
+
+ debug("%s: Enabling clock to all CPUs\n", __func__);
+ /* Enable the clock to all CPUs */
+ reg = CLR_CPU3_CLK_STP | CLR_CPU2_CLK_STP | CLR_CPU1_CLK_STP |
+ CLR_CPU0_CLK_STP;
+ writel(reg, &clkrst->crc_clk_cpu_cmplx_clr);
+
+ debug("%s: Enabling main CPU complex clocks\n", __func__);
+ /* Always enable the main CPU complex clocks */
+ clock_enable(PERIPH_ID_CPU);
+ clock_enable(PERIPH_ID_CPULP);
+ clock_enable(PERIPH_ID_CPUG);
+
+ debug("%s: Done\n", __func__);
+}
+
+static void remove_cpu_resets(void)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ debug("remove_cpu_resets entry\n");
+
+ /* Take the slow and fast partitions out of reset */
+ reg = CLR_NONCPURESET;
+ writel(reg, &clkrst->crc_rst_cpulp_cmplx_clr);
+ writel(reg, &clkrst->crc_rst_cpug_cmplx_clr);
+
+ /* Clear the SW-controlled reset of the slow cluster */
+ reg = CLR_CPURESET0 | CLR_DBGRESET0 | CLR_CORERESET0 | CLR_CXRESET0 |
+ CLR_L2RESET | CLR_PRESETDBG;
+ writel(reg, &clkrst->crc_rst_cpulp_cmplx_clr);
+
+ /* Clear the SW-controlled reset of the fast cluster */
+ reg = CLR_CPURESET0 | CLR_DBGRESET0 | CLR_CORERESET0 | CLR_CXRESET0 |
+ CLR_CPURESET1 | CLR_DBGRESET1 | CLR_CORERESET1 | CLR_CXRESET1 |
+ CLR_CPURESET2 | CLR_DBGRESET2 | CLR_CORERESET2 | CLR_CXRESET2 |
+ CLR_CPURESET3 | CLR_DBGRESET3 | CLR_CORERESET3 | CLR_CXRESET3 |
+ CLR_L2RESET | CLR_PRESETDBG;
+ writel(reg, &clkrst->crc_rst_cpug_cmplx_clr);
+}
+
+/**
+ * The Tegra124 requires some special clock initialization, including setting up
+ * the DVC I2C, turning on MSELECT and selecting the G CPU cluster
+ */
+void tegra124_init_clocks(void)
+{
+ struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 val;
+
+ debug("tegra124_init_clocks entry\n");
+
+ /* Set active CPU cluster to G */
+ clrbits_le32(&flow->cluster_control, 1);
+
+ /* Change the oscillator drive strength */
+ val = readl(&clkrst->crc_osc_ctrl);
+ val &= ~OSC_XOFS_MASK;
+ val |= (OSC_DRIVE_STRENGTH << OSC_XOFS_SHIFT);
+ writel(val, &clkrst->crc_osc_ctrl);
+
+ /* Update same value in PMC_OSC_EDPD_OVER XOFS field for warmboot */
+ val = readl(&pmc->pmc_osc_edpd_over);
+ val &= ~PMC_XOFS_MASK;
+ val |= (OSC_DRIVE_STRENGTH << PMC_XOFS_SHIFT);
+ writel(val, &pmc->pmc_osc_edpd_over);
+
+ /* Set HOLD_CKE_LOW_EN to 1 */
+ setbits_le32(&pmc->pmc_cntrl2, HOLD_CKE_LOW_EN);
+
+ debug("Setting up PLLX\n");
+ init_pllx();
+
+ val = (1 << CLK_SYS_RATE_AHB_RATE_SHIFT);
+ writel(val, &clkrst->crc_clk_sys_rate);
+
+ /* Enable clocks to required peripherals. TBD - minimize this list */
+ debug("Enabling clocks\n");
+
+ clock_set_enable(PERIPH_ID_CACHE2, 1);
+ clock_set_enable(PERIPH_ID_GPIO, 1);
+ clock_set_enable(PERIPH_ID_TMR, 1);
+ clock_set_enable(PERIPH_ID_CPU, 1);
+ clock_set_enable(PERIPH_ID_EMC, 1);
+ clock_set_enable(PERIPH_ID_I2C5, 1);
+ clock_set_enable(PERIPH_ID_APBDMA, 1);
+ clock_set_enable(PERIPH_ID_MEM, 1);
+ clock_set_enable(PERIPH_ID_CORESIGHT, 1);
+ clock_set_enable(PERIPH_ID_MSELECT, 1);
+ clock_set_enable(PERIPH_ID_DVFS, 1);
+
+ /*
+ * Set MSELECT clock source as PLLP (00), and ask for a clock
+ * divider that would set the MSELECT clock at 102MHz for a
+ * PLLP base of 408MHz.
+ */
+ clock_ll_set_source_divisor(PERIPH_ID_MSELECT, 0,
+ CLK_DIVIDER(NVBL_PLLP_KHZ, 102000));
+
+ /* Give clock time to stabilize */
+ udelay(IO_STABILIZATION_DELAY);
+
+ /* I2C5 (DVC) gets CLK_M and a divisor of 17 */
+ clock_ll_set_source_divisor(PERIPH_ID_I2C5, 3, 16);
+
+ /* Give clock time to stabilize */
+ udelay(IO_STABILIZATION_DELAY);
+
+ /* Take required peripherals out of reset */
+ debug("Taking periphs out of reset\n");
+ reset_set_enable(PERIPH_ID_CACHE2, 0);
+ reset_set_enable(PERIPH_ID_GPIO, 0);
+ reset_set_enable(PERIPH_ID_TMR, 0);
+ reset_set_enable(PERIPH_ID_COP, 0);
+ reset_set_enable(PERIPH_ID_EMC, 0);
+ reset_set_enable(PERIPH_ID_I2C5, 0);
+ reset_set_enable(PERIPH_ID_APBDMA, 0);
+ reset_set_enable(PERIPH_ID_MEM, 0);
+ reset_set_enable(PERIPH_ID_CORESIGHT, 0);
+ reset_set_enable(PERIPH_ID_MSELECT, 0);
+ reset_set_enable(PERIPH_ID_DVFS, 0);
+
+ debug("tegra124_init_clocks exit\n");
+}
+
+static bool is_partition_powered(u32 partid)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+
+ /* Get power gate status */
+ reg = readl(&pmc->pmc_pwrgate_status);
+ return !!(reg & (1 << partid));
+}
+
+static void power_partition(u32 partid)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+ debug("%s: part ID = %08X\n", __func__, partid);
+ /* Is the partition already on? */
+ if (!is_partition_powered(partid)) {
+ /* No, toggle the partition power state (OFF -> ON) */
+ debug("power_partition, toggling state\n");
+ writel(START_CP | partid, &pmc->pmc_pwrgate_toggle);
+
+ /* Wait for the power to come up */
+ while (!is_partition_powered(partid))
+ ;
+
+ /* Give I/O signals time to stabilize */
+ udelay(IO_STABILIZATION_DELAY);
+ }
+}
+
+void powerup_cpus(void)
+{
+ debug("powerup_cpus entry\n");
+
+ /* We boot to the fast cluster */
+ debug("powerup_cpus entry: G cluster\n");
+
+ /* Power up the fast cluster rail partition */
+ debug("powerup_cpus: CRAIL\n");
+ power_partition(CRAIL);
+
+ /* Power up the fast cluster non-CPU partition */
+ debug("powerup_cpus: C0NC\n");
+ power_partition(C0NC);
+
+ /* Power up the fast cluster CPU0 partition */
+ debug("powerup_cpus: CE0\n");
+ power_partition(CE0);
+
+ debug("powerup_cpus: done\n");
+}
+
+void start_cpu(u32 reset_vector)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+ debug("start_cpu entry, reset_vector = %x\n", reset_vector);
+
+ tegra124_init_clocks();
+
+ /* Set power-gating timer multiplier */
+ writel((MULT_8 << TIMER_MULT_SHIFT) | (MULT_8 << TIMER_MULT_CPU_SHIFT),
+ &pmc->pmc_pwrgate_timer_mult);
+
+ enable_cpu_power_rail();
+ enable_cpu_clocks();
+ clock_enable_coresight(1);
+ remove_cpu_resets();
+ writel(reset_vector, EXCEP_VECTOR_CPU_RESET_VECTOR);
+ powerup_cpus();
+ debug("start_cpu exit, should continue @ reset_vector\n");
+}
--- /dev/null
+/*
+ * (C) Copyright 2013
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/* Tegra124 high-level function multiplexing */
+
+#include <common.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
+#include <asm/arch/pinmux.h>
+
+int funcmux_select(enum periph_id id, int config)
+{
+ int bad_config = config != FUNCMUX_DEFAULT;
+
+ switch (id) {
+ case PERIPH_ID_UART4:
+ switch (config) {
+ case FUNCMUX_UART4_GPIO: /* TXD,RXD,CTS,RTS */
+ pinmux_set_func(PMUX_PINGRP_PJ7, PMUX_FUNC_UARTD);
+ pinmux_set_func(PMUX_PINGRP_PB0, PMUX_FUNC_UARTD);
+ pinmux_set_func(PMUX_PINGRP_PB1, PMUX_FUNC_UARTD);
+ pinmux_set_func(PMUX_PINGRP_PK7, PMUX_FUNC_UARTD);
+
+ pinmux_set_io(PMUX_PINGRP_PJ7, PMUX_PIN_OUTPUT);
+ pinmux_set_io(PMUX_PINGRP_PB0, PMUX_PIN_INPUT);
+ pinmux_set_io(PMUX_PINGRP_PB1, PMUX_PIN_INPUT);
+ pinmux_set_io(PMUX_PINGRP_PK7, PMUX_PIN_OUTPUT);
+
+ pinmux_tristate_disable(PMUX_PINGRP_PJ7);
+ pinmux_tristate_disable(PMUX_PINGRP_PB0);
+ pinmux_tristate_disable(PMUX_PINGRP_PB1);
+ pinmux_tristate_disable(PMUX_PINGRP_PK7);
+ break;
+ }
+ break;
+
+ case PERIPH_ID_UART1:
+ switch (config) {
+ case FUNCMUX_UART1_KBC:
+ pinmux_set_func(PMUX_PINGRP_KB_ROW9_PS1,
+ PMUX_FUNC_UARTA);
+ pinmux_set_func(PMUX_PINGRP_KB_ROW10_PS2,
+ PMUX_FUNC_UARTA);
+
+ pinmux_set_io(PMUX_PINGRP_KB_ROW9_PS1, PMUX_PIN_OUTPUT);
+ pinmux_set_io(PMUX_PINGRP_KB_ROW10_PS2, PMUX_PIN_INPUT);
+
+ pinmux_tristate_disable(PMUX_PINGRP_KB_ROW9_PS1);
+ pinmux_tristate_disable(PMUX_PINGRP_KB_ROW10_PS2);
+ break;
+ }
+ break;
+
+ /* Add other periph IDs here as needed */
+
+ default:
+ debug("%s: invalid periph_id %d", __func__, id);
+ return -1;
+ }
+
+ if (bad_config) {
+ debug("%s: invalid config %d for periph_id %d", __func__,
+ config, id);
+ return -1;
+ }
+ return 0;
+}
--- /dev/null
+/*
+ * Copyright (c) 2013-2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/pinmux.h>
+
+#define PIN(pin, f0, f1, f2, f3) \
+ { \
+ .funcs = { \
+ PMUX_FUNC_##f0, \
+ PMUX_FUNC_##f1, \
+ PMUX_FUNC_##f2, \
+ PMUX_FUNC_##f3, \
+ }, \
+ }
+
+#define PIN_RESERVED {}
+
+static const struct pmux_pingrp_desc tegra124_pingroups[] = {
+ /* pin, f0, f1, f2, f3 */
+ /* Offset 0x3000 */
+ PIN(ULPI_DATA0_PO1, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA1_PO2, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA2_PO3, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA3_PO4, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA4_PO5, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA5_PO6, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA6_PO7, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA7_PO0, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_CLK_PY0, SPI1, SPI5, UARTD, ULPI),
+ PIN(ULPI_DIR_PY1, SPI1, SPI5, UARTD, ULPI),
+ PIN(ULPI_NXT_PY2, SPI1, SPI5, UARTD, ULPI),
+ PIN(ULPI_STP_PY3, SPI1, SPI5, UARTD, ULPI),
+ PIN(DAP3_FS_PP0, I2S2, SPI5, DISPLAYA, DISPLAYB),
+ PIN(DAP3_DIN_PP1, I2S2, SPI5, DISPLAYA, DISPLAYB),
+ PIN(DAP3_DOUT_PP2, I2S2, SPI5, DISPLAYA, RSVD4),
+ PIN(DAP3_SCLK_PP3, I2S2, SPI5, RSVD3, DISPLAYB),
+ PIN(PV0, RSVD1, RSVD2, RSVD3, RSVD4),
+ PIN(PV1, RSVD1, RSVD2, RSVD3, RSVD4),
+ PIN(SDMMC1_CLK_PZ0, SDMMC1, CLK12, RSVD3, RSVD4),
+ PIN(SDMMC1_CMD_PZ1, SDMMC1, SPDIF, SPI4, UARTA),
+ PIN(SDMMC1_DAT3_PY4, SDMMC1, SPDIF, SPI4, UARTA),
+ PIN(SDMMC1_DAT2_PY5, SDMMC1, PWM0, SPI4, UARTA),
+ PIN(SDMMC1_DAT1_PY6, SDMMC1, PWM1, SPI4, UARTA),
+ PIN(SDMMC1_DAT0_PY7, SDMMC1, RSVD2, SPI4, UARTA),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x3068 */
+ PIN(CLK2_OUT_PW5, EXTPERIPH2, RSVD2, RSVD3, RSVD4),
+ PIN(CLK2_REQ_PCC5, DAP, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x3110 */
+ PIN(HDMI_INT_PN7, RSVD1, RSVD2, RSVD3, RSVD4),
+ PIN(DDC_SCL_PV4, I2C4, RSVD2, RSVD3, RSVD4),
+ PIN(DDC_SDA_PV5, I2C4, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x3164 */
+ PIN(UART2_RXD_PC3, IRDA, SPDIF, UARTA, SPI4),
+ PIN(UART2_TXD_PC2, IRDA, SPDIF, UARTA, SPI4),
+ PIN(UART2_RTS_N_PJ6, UARTA, UARTB, GMI, SPI4),
+ PIN(UART2_CTS_N_PJ5, UARTA, UARTB, GMI, SPI4),
+ PIN(UART3_TXD_PW6, UARTC, RSVD2, GMI, SPI4),
+ PIN(UART3_RXD_PW7, UARTC, RSVD2, GMI, SPI4),
+ PIN(UART3_CTS_N_PA1, UARTC, SDMMC1, DTV, GMI),
+ PIN(UART3_RTS_N_PC0, UARTC, PWM0, DTV, GMI),
+ PIN(PU0, OWR, UARTA, GMI, RSVD4),
+ PIN(PU1, RSVD1, UARTA, GMI, RSVD4),
+ PIN(PU2, RSVD1, UARTA, GMI, RSVD4),
+ PIN(PU3, PWM0, UARTA, GMI, DISPLAYB),
+ PIN(PU4, PWM1, UARTA, GMI, DISPLAYB),
+ PIN(PU5, PWM2, UARTA, GMI, DISPLAYB),
+ PIN(PU6, PWM3, UARTA, RSVD3, GMI),
+ PIN(GEN1_I2C_SDA_PC5, I2C1, RSVD2, RSVD3, RSVD4),
+ PIN(GEN1_I2C_SCL_PC4, I2C1, RSVD2, RSVD3, RSVD4),
+ PIN(DAP4_FS_PP4, I2S3, GMI, DTV, RSVD4),
+ PIN(DAP4_DIN_PP5, I2S3, GMI, RSVD3, RSVD4),
+ PIN(DAP4_DOUT_PP6, I2S3, GMI, DTV, RSVD4),
+ PIN(DAP4_SCLK_PP7, I2S3, GMI, RSVD3, RSVD4),
+ PIN(CLK3_OUT_PEE0, EXTPERIPH3, RSVD2, RSVD3, RSVD4),
+ PIN(CLK3_REQ_PEE1, DEV3, RSVD2, RSVD3, RSVD4),
+ PIN(PC7, RSVD1, RSVD2, GMI, GMI_ALT),
+ PIN(PI5, SDMMC2, RSVD2, GMI, RSVD4),
+ PIN(PI7, RSVD1, TRACE, GMI, DTV),
+ PIN(PK0, RSVD1, SDMMC3, GMI, SOC),
+ PIN(PK1, SDMMC2, TRACE, GMI, RSVD4),
+ PIN(PJ0, RSVD1, RSVD2, GMI, USB),
+ PIN(PJ2, RSVD1, RSVD2, GMI, SOC),
+ PIN(PK3, SDMMC2, TRACE, GMI, CCLA),
+ PIN(PK4, SDMMC2, RSVD2, GMI, GMI_ALT),
+ PIN(PK2, RSVD1, RSVD2, GMI, RSVD4),
+ PIN(PI3, RSVD1, RSVD2, GMI, SPI4),
+ PIN(PI6, RSVD1, RSVD2, GMI, SDMMC2),
+ PIN(PG0, RSVD1, RSVD2, GMI, RSVD4),
+ PIN(PG1, RSVD1, RSVD2, GMI, RSVD4),
+ PIN(PG2, RSVD1, TRACE, GMI, RSVD4),
+ PIN(PG3, RSVD1, TRACE, GMI, RSVD4),
+ PIN(PG4, RSVD1, TMDS, GMI, SPI4),
+ PIN(PG5, RSVD1, RSVD2, GMI, SPI4),
+ PIN(PG6, RSVD1, RSVD2, GMI, SPI4),
+ PIN(PG7, RSVD1, RSVD2, GMI, SPI4),
+ PIN(PH0, PWM0, TRACE, GMI, DTV),
+ PIN(PH1, PWM1, TMDS, GMI, DISPLAYA),
+ PIN(PH2, PWM2, TMDS, GMI, CLDVFS),
+ PIN(PH3, PWM3, SPI4, GMI, CLDVFS),
+ PIN(PH4, SDMMC2, RSVD2, GMI, RSVD4),
+ PIN(PH5, SDMMC2, RSVD2, GMI, RSVD4),
+ PIN(PH6, SDMMC2, TRACE, GMI, DTV),
+ PIN(PH7, SDMMC2, TRACE, GMI, DTV),
+ PIN(PJ7, UARTD, RSVD2, GMI, GMI_ALT),
+ PIN(PB0, UARTD, RSVD2, GMI, RSVD4),
+ PIN(PB1, UARTD, RSVD2, GMI, RSVD4),
+ PIN(PK7, UARTD, RSVD2, GMI, RSVD4),
+ PIN(PI0, RSVD1, RSVD2, GMI, RSVD4),
+ PIN(PI1, RSVD1, RSVD2, GMI, RSVD4),
+ PIN(PI2, SDMMC2, TRACE, GMI, RSVD4),
+ PIN(PI4, SPI4, TRACE, GMI, DISPLAYA),
+ PIN(GEN2_I2C_SCL_PT5, I2C2, RSVD2, GMI, RSVD4),
+ PIN(GEN2_I2C_SDA_PT6, I2C2, RSVD2, GMI, RSVD4),
+ PIN(SDMMC4_CLK_PCC4, SDMMC4, RSVD2, GMI, RSVD4),
+ PIN(SDMMC4_CMD_PT7, SDMMC4, RSVD2, GMI, RSVD4),
+ PIN(SDMMC4_DAT0_PAA0, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT1_PAA1, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT2_PAA2, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT3_PAA3, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT4_PAA4, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT5_PAA5, SDMMC4, SPI3, RSVD3, RSVD4),
+ PIN(SDMMC4_DAT6_PAA6, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT7_PAA7, SDMMC4, RSVD2, GMI, RSVD4),
+ PIN_RESERVED,
+ /* Offset 0x3284 */
+ PIN(CAM_MCLK_PCC0, VI, VI_ALT1, VI_ALT3, SDMMC2),
+ PIN(PCC1, I2S4, RSVD2, RSVD3, SDMMC2),
+ PIN(PBB0, VGP6, VIMCLK2, SDMMC2, VIMCLK2_ALT),
+ PIN(CAM_I2C_SCL_PBB1, VGP1, I2C3, RSVD3, SDMMC2),
+ PIN(CAM_I2C_SDA_PBB2, VGP2, I2C3, RSVD3, SDMMC2),
+ PIN(PBB3, VGP3, DISPLAYA, DISPLAYB, SDMMC2),
+ PIN(PBB4, VGP4, DISPLAYA, DISPLAYB, SDMMC2),
+ PIN(PBB5, VGP5, DISPLAYA, RSVD3, SDMMC2),
+ PIN(PBB6, I2S4, RSVD2, DISPLAYB, SDMMC2),
+ PIN(PBB7, I2S4, RSVD2, RSVD3, SDMMC2),
+ PIN(PCC2, I2S4, RSVD2, SDMMC3, SDMMC2),
+ PIN(JTAG_RTCK, RTCK, RSVD2, RSVD3, RSVD4),
+ PIN(PWR_I2C_SCL_PZ6, I2CPWR, RSVD2, RSVD3, RSVD4),
+ PIN(PWR_I2C_SDA_PZ7, I2CPWR, RSVD2, RSVD3, RSVD4),
+ PIN(KB_ROW0_PR0, KBC, RSVD2, RSVD3, RSVD4),
+ PIN(KB_ROW1_PR1, KBC, RSVD2, RSVD3, RSVD4),
+ PIN(KB_ROW2_PR2, KBC, RSVD2, RSVD3, RSVD4),
+ PIN(KB_ROW3_PR3, KBC, DISPLAYA, SYS, DISPLAYB),
+ PIN(KB_ROW4_PR4, KBC, DISPLAYA, RSVD3, DISPLAYB),
+ PIN(KB_ROW5_PR5, KBC, DISPLAYA, RSVD3, DISPLAYB),
+ PIN(KB_ROW6_PR6, KBC, DISPLAYA, DISPLAYA_ALT, DISPLAYB),
+ PIN(KB_ROW7_PR7, KBC, RSVD2, CLDVFS, UARTA),
+ PIN(KB_ROW8_PS0, KBC, RSVD2, CLDVFS, UARTA),
+ PIN(KB_ROW9_PS1, KBC, RSVD2, RSVD3, UARTA),
+ PIN(KB_ROW10_PS2, KBC, RSVD2, RSVD3, UARTA),
+ PIN(KB_ROW11_PS3, KBC, RSVD2, RSVD3, IRDA),
+ PIN(KB_ROW12_PS4, KBC, RSVD2, RSVD3, IRDA),
+ PIN(KB_ROW13_PS5, KBC, RSVD2, SPI2, RSVD4),
+ PIN(KB_ROW14_PS6, KBC, RSVD2, SPI2, RSVD4),
+ PIN(KB_ROW15_PS7, KBC, SOC, RSVD3, RSVD4),
+ PIN(KB_COL0_PQ0, KBC, RSVD2, SPI2, RSVD4),
+ PIN(KB_COL1_PQ1, KBC, RSVD2, SPI2, RSVD4),
+ PIN(KB_COL2_PQ2, KBC, RSVD2, SPI2, RSVD4),
+ PIN(KB_COL3_PQ3, KBC, DISPLAYA, PWM2, UARTA),
+ PIN(KB_COL4_PQ4, KBC, OWR, SDMMC3, UARTA),
+ PIN(KB_COL5_PQ5, KBC, RSVD2, SDMMC3, RSVD4),
+ PIN(KB_COL6_PQ6, KBC, RSVD2, SPI2, UARTD),
+ PIN(KB_COL7_PQ7, KBC, RSVD2, SPI2, UARTD),
+ PIN(CLK_32K_OUT_PA0, BLINK, SOC, RSVD3, RSVD4),
+ PIN_RESERVED,
+ /* Offset 0x3324 */
+ PIN(CORE_PWR_REQ, PWRON, RSVD2, RSVD3, RSVD4),
+ PIN(CPU_PWR_REQ, CPU, RSVD2, RSVD3, RSVD4),
+ PIN(PWR_INT_N, PMI, RSVD2, RSVD3, RSVD4),
+ PIN(CLK_32K_IN, CLK, RSVD2, RSVD3, RSVD4),
+ PIN(OWR, OWR, RSVD2, RSVD3, RSVD4),
+ PIN(DAP1_FS_PN0, I2S0, HDA, GMI, RSVD4),
+ PIN(DAP1_DIN_PN1, I2S0, HDA, GMI, RSVD4),
+ PIN(DAP1_DOUT_PN2, I2S0, HDA, GMI, SATA),
+ PIN(DAP1_SCLK_PN3, I2S0, HDA, GMI, RSVD4),
+ PIN(DAP_MCLK1_REQ_PEE2, DAP, DAP1, SATA, RSVD4),
+ PIN(DAP_MCLK1_PW4, EXTPERIPH1, DAP2, RSVD3, RSVD4),
+ PIN(SPDIF_IN_PK6, SPDIF, RSVD2, RSVD3, I2C3),
+ PIN(SPDIF_OUT_PK5, SPDIF, RSVD2, RSVD3, I2C3),
+ PIN(DAP2_FS_PA2, I2S1, HDA, GMI, RSVD4),
+ PIN(DAP2_DIN_PA4, I2S1, HDA, GMI, RSVD4),
+ PIN(DAP2_DOUT_PA5, I2S1, HDA, GMI, RSVD4),
+ PIN(DAP2_SCLK_PA3, I2S1, HDA, GMI, RSVD4),
+ PIN(DVFS_PWM_PX0, SPI6, CLDVFS, GMI, RSVD4),
+ PIN(GPIO_X1_AUD_PX1, SPI6, RSVD2, GMI, RSVD4),
+ PIN(GPIO_X3_AUD_PX3, SPI6, SPI1, GMI, RSVD4),
+ PIN(DVFS_CLK_PX2, SPI6, CLDVFS, GMI, RSVD4),
+ PIN(GPIO_X4_AUD_PX4, GMI, SPI1, SPI2, DAP2),
+ PIN(GPIO_X5_AUD_PX5, GMI, SPI1, SPI2, RSVD4),
+ PIN(GPIO_X6_AUD_PX6, SPI6, SPI1, SPI2, GMI),
+ PIN(GPIO_X7_AUD_PX7, RSVD1, SPI1, SPI2, RSVD4),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x3390 */
+ PIN(SDMMC3_CLK_PA6, SDMMC3, RSVD2, RSVD3, SPI3),
+ PIN(SDMMC3_CMD_PA7, SDMMC3, PWM3, UARTA, SPI3),
+ PIN(SDMMC3_DAT0_PB7, SDMMC3, RSVD2, RSVD3, SPI3),
+ PIN(SDMMC3_DAT1_PB6, SDMMC3, PWM2, UARTA, SPI3),
+ PIN(SDMMC3_DAT2_PB5, SDMMC3, PWM1, DISPLAYA, SPI3),
+ PIN(SDMMC3_DAT3_PB4, SDMMC3, PWM0, DISPLAYB, SPI3),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x33bc */
+ PIN(PEX_L0_RST_N_PDD1, PE0, RSVD2, RSVD3, RSVD4),
+ PIN(PEX_L0_CLKREQ_N_PDD2, PE0, RSVD2, RSVD3, RSVD4),
+ PIN(PEX_WAKE_N_PDD3, PE, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED,
+ /* Offset 0x33cc */
+ PIN(PEX_L1_RST_N_PDD5, PE1, RSVD2, RSVD3, RSVD4),
+ PIN(PEX_L1_CLKREQ_N_PDD6, PE1, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x33e0 */
+ PIN(HDMI_CEC_PEE3, CEC, RSVD2, RSVD3, RSVD4),
+ PIN(SDMMC1_WP_N_PV3, SDMMC1, CLK12, SPI4, UARTA),
+ PIN(SDMMC3_CD_N_PV2, SDMMC3, OWR, RSVD3, RSVD4),
+ PIN(GPIO_W2_AUD_PW2, SPI6, RSVD2, SPI2, I2C1),
+ PIN(GPIO_W3_AUD_PW3, SPI6, SPI1, SPI2, I2C1),
+ PIN(USB_VBUS_EN0_PN4, USB, RSVD2, RSVD3, RSVD4),
+ PIN(USB_VBUS_EN1_PN5, USB, RSVD2, RSVD3, RSVD4),
+ PIN(SDMMC3_CLK_LB_IN_PEE5, SDMMC3, RSVD2, RSVD3, RSVD4),
+ PIN(SDMMC3_CLK_LB_OUT_PEE4, SDMMC3, RSVD2, RSVD3, RSVD4),
+ PIN(GMI_CLK_LB, SDMMC2, RSVD2, GMI, RSVD4),
+ PIN(RESET_OUT_N, RSVD1, RSVD2, RSVD3, RESET_OUT_N),
+ PIN(KB_ROW16_PT0, KBC, RSVD2, RSVD3, UARTC),
+ PIN(KB_ROW17_PT1, KBC, RSVD2, RSVD3, UARTC),
+ PIN(USB_VBUS_EN2_PFF1, USB, RSVD2, RSVD3, RSVD4),
+ PIN(PFF2, SATA, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x3430 */
+ PIN(DP_HPD_PFF0, DP, RSVD2, RSVD3, RSVD4),
+};
+const struct pmux_pingrp_desc *tegra_soc_pingroups = tegra124_pingroups;
--- /dev/null
+/*
+ * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#define pr_fmt(fmt) "tegra-xusb-padctl: " fmt
+
+#include <common.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <malloc.h>
+
+#include <asm/io.h>
+
+#include <asm/arch/clock.h>
+#include <asm/arch-tegra/xusb-padctl.h>
+
+#include <dt-bindings/pinctrl/pinctrl-tegra-xusb.h>
+
+#define XUSB_PADCTL_ELPG_PROGRAM 0x01c
+#define XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_VCORE_DOWN (1 << 26)
+#define XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN_EARLY (1 << 25)
+#define XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN (1 << 24)
+
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1 0x040
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL0_LOCKDET (1 << 19)
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1_REFCLK_SEL_MASK (0xf << 12)
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL_RST (1 << 1)
+
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2 0x044
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2_REFCLKBUF_EN (1 << 6)
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_EN (1 << 5)
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_SEL (1 << 4)
+
+#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1 0x138
+#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_LOCKDET (1 << 27)
+#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_MODE (1 << 24)
+#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_PWR_OVRD (1 << 3)
+#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_RST (1 << 1)
+#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_IDDQ (1 << 0)
+
+#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1 0x148
+#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ_OVRD (1 << 1)
+#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ (1 << 0)
+
+enum tegra124_function {
+ TEGRA124_FUNC_SNPS,
+ TEGRA124_FUNC_XUSB,
+ TEGRA124_FUNC_UART,
+ TEGRA124_FUNC_PCIE,
+ TEGRA124_FUNC_USB3,
+ TEGRA124_FUNC_SATA,
+ TEGRA124_FUNC_RSVD,
+};
+
+static const char *const tegra124_functions[] = {
+ "snps",
+ "xusb",
+ "uart",
+ "pcie",
+ "usb3",
+ "sata",
+ "rsvd",
+};
+
+static const unsigned int tegra124_otg_functions[] = {
+ TEGRA124_FUNC_SNPS,
+ TEGRA124_FUNC_XUSB,
+ TEGRA124_FUNC_UART,
+ TEGRA124_FUNC_RSVD,
+};
+
+static const unsigned int tegra124_usb_functions[] = {
+ TEGRA124_FUNC_SNPS,
+ TEGRA124_FUNC_XUSB,
+};
+
+static const unsigned int tegra124_pci_functions[] = {
+ TEGRA124_FUNC_PCIE,
+ TEGRA124_FUNC_USB3,
+ TEGRA124_FUNC_SATA,
+ TEGRA124_FUNC_RSVD,
+};
+
+struct tegra_xusb_padctl_lane {
+ const char *name;
+
+ unsigned int offset;
+ unsigned int shift;
+ unsigned int mask;
+ unsigned int iddq;
+
+ const unsigned int *funcs;
+ unsigned int num_funcs;
+};
+
+#define TEGRA124_LANE(_name, _offset, _shift, _mask, _iddq, _funcs) \
+ { \
+ .name = _name, \
+ .offset = _offset, \
+ .shift = _shift, \
+ .mask = _mask, \
+ .iddq = _iddq, \
+ .num_funcs = ARRAY_SIZE(tegra124_##_funcs##_functions), \
+ .funcs = tegra124_##_funcs##_functions, \
+ }
+
+static const struct tegra_xusb_padctl_lane tegra124_lanes[] = {
+ TEGRA124_LANE("otg-0", 0x004, 0, 0x3, 0, otg),
+ TEGRA124_LANE("otg-1", 0x004, 2, 0x3, 0, otg),
+ TEGRA124_LANE("otg-2", 0x004, 4, 0x3, 0, otg),
+ TEGRA124_LANE("ulpi-0", 0x004, 12, 0x1, 0, usb),
+ TEGRA124_LANE("hsic-0", 0x004, 14, 0x1, 0, usb),
+ TEGRA124_LANE("hsic-1", 0x004, 15, 0x1, 0, usb),
+ TEGRA124_LANE("pcie-0", 0x134, 16, 0x3, 1, pci),
+ TEGRA124_LANE("pcie-1", 0x134, 18, 0x3, 2, pci),
+ TEGRA124_LANE("pcie-2", 0x134, 20, 0x3, 3, pci),
+ TEGRA124_LANE("pcie-3", 0x134, 22, 0x3, 4, pci),
+ TEGRA124_LANE("pcie-4", 0x134, 24, 0x3, 5, pci),
+ TEGRA124_LANE("sata-0", 0x134, 26, 0x3, 6, pci),
+};
+
+struct tegra_xusb_phy_ops {
+ int (*prepare)(struct tegra_xusb_phy *phy);
+ int (*enable)(struct tegra_xusb_phy *phy);
+ int (*disable)(struct tegra_xusb_phy *phy);
+ int (*unprepare)(struct tegra_xusb_phy *phy);
+};
+
+struct tegra_xusb_phy {
+ const struct tegra_xusb_phy_ops *ops;
+
+ struct tegra_xusb_padctl *padctl;
+};
+
+struct tegra_xusb_padctl_pin {
+ const struct tegra_xusb_padctl_lane *lane;
+
+ unsigned int func;
+ int iddq;
+};
+
+#define MAX_GROUPS 3
+#define MAX_PINS 6
+
+struct tegra_xusb_padctl_group {
+ const char *name;
+
+ const char *pins[MAX_PINS];
+ unsigned int num_pins;
+
+ const char *func;
+ int iddq;
+};
+
+struct tegra_xusb_padctl_config {
+ const char *name;
+
+ struct tegra_xusb_padctl_group groups[MAX_GROUPS];
+ unsigned int num_groups;
+};
+
+struct tegra_xusb_padctl {
+ struct fdt_resource regs;
+
+ unsigned int enable;
+
+ struct tegra_xusb_phy phys[2];
+
+ const struct tegra_xusb_padctl_lane *lanes;
+ unsigned int num_lanes;
+
+ const char *const *functions;
+ unsigned int num_functions;
+
+ struct tegra_xusb_padctl_config config;
+};
+
+static inline u32 padctl_readl(struct tegra_xusb_padctl *padctl,
+ unsigned long offset)
+{
+ return readl(padctl->regs.start + offset);
+}
+
+static inline void padctl_writel(struct tegra_xusb_padctl *padctl,
+ u32 value, unsigned long offset)
+{
+ writel(value, padctl->regs.start + offset);
+}
+
+static int tegra_xusb_padctl_enable(struct tegra_xusb_padctl *padctl)
+{
+ u32 value;
+
+ if (padctl->enable++ > 0)
+ return 0;
+
+ value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
+ value &= ~XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN;
+ padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
+
+ udelay(100);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
+ value &= ~XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN_EARLY;
+ padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
+
+ udelay(100);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
+ value &= ~XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_VCORE_DOWN;
+ padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
+
+ return 0;
+}
+
+static int tegra_xusb_padctl_disable(struct tegra_xusb_padctl *padctl)
+{
+ u32 value;
+
+ if (padctl->enable == 0) {
+ error("tegra-xusb-padctl: unbalanced enable/disable");
+ return 0;
+ }
+
+ if (--padctl->enable > 0)
+ return 0;
+
+ value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
+ value |= XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_VCORE_DOWN;
+ padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
+
+ udelay(100);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
+ value |= XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN_EARLY;
+ padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
+
+ udelay(100);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
+ value |= XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN;
+ padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
+
+ return 0;
+}
+
+static int phy_prepare(struct tegra_xusb_phy *phy)
+{
+ return tegra_xusb_padctl_enable(phy->padctl);
+}
+
+static int phy_unprepare(struct tegra_xusb_phy *phy)
+{
+ return tegra_xusb_padctl_disable(phy->padctl);
+}
+
+static int pcie_phy_enable(struct tegra_xusb_phy *phy)
+{
+ struct tegra_xusb_padctl *padctl = phy->padctl;
+ int err = -ETIMEDOUT;
+ unsigned long start;
+ u32 value;
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
+ value &= ~XUSB_PADCTL_IOPHY_PLL_P0_CTL1_REFCLK_SEL_MASK;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL2);
+ value |= XUSB_PADCTL_IOPHY_PLL_P0_CTL2_REFCLKBUF_EN |
+ XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_EN |
+ XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_SEL;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL2);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
+ value |= XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL_RST;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
+
+ start = get_timer(0);
+
+ while (get_timer(start) < 50) {
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
+ if (value & XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL0_LOCKDET) {
+ err = 0;
+ break;
+ }
+ }
+
+ return err;
+}
+
+static int pcie_phy_disable(struct tegra_xusb_phy *phy)
+{
+ struct tegra_xusb_padctl *padctl = phy->padctl;
+ u32 value;
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
+ value &= ~XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL_RST;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
+
+ return 0;
+}
+
+static int sata_phy_enable(struct tegra_xusb_phy *phy)
+{
+ struct tegra_xusb_padctl *padctl = phy->padctl;
+ int err = -ETIMEDOUT;
+ unsigned long start;
+ u32 value;
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
+ value &= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ_OVRD;
+ value &= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+ value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_PWR_OVRD;
+ value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_IDDQ;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+ value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_MODE;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+ value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_RST;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+
+ start = get_timer(0);
+
+ while (get_timer(start) < 50) {
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+ if (value & XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_LOCKDET) {
+ err = 0;
+ break;
+ }
+ }
+
+ return err;
+}
+
+static int sata_phy_disable(struct tegra_xusb_phy *phy)
+{
+ struct tegra_xusb_padctl *padctl = phy->padctl;
+ u32 value;
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+ value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_RST;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+ value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_MODE;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+ value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_PWR_OVRD;
+ value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_IDDQ;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
+ value |= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ_OVRD;
+ value |= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
+
+ return 0;
+}
+
+static const struct tegra_xusb_phy_ops pcie_phy_ops = {
+ .prepare = phy_prepare,
+ .enable = pcie_phy_enable,
+ .disable = pcie_phy_disable,
+ .unprepare = phy_unprepare,
+};
+
+static const struct tegra_xusb_phy_ops sata_phy_ops = {
+ .prepare = phy_prepare,
+ .enable = sata_phy_enable,
+ .disable = sata_phy_disable,
+ .unprepare = phy_unprepare,
+};
+
+static struct tegra_xusb_padctl *padctl = &(struct tegra_xusb_padctl) {
+ .phys = {
+ [0] = {
+ .ops = &pcie_phy_ops,
+ },
+ [1] = {
+ .ops = &sata_phy_ops,
+ },
+ },
+};
+
+static const struct tegra_xusb_padctl_lane *
+tegra_xusb_padctl_find_lane(struct tegra_xusb_padctl *padctl, const char *name)
+{
+ unsigned int i;
+
+ for (i = 0; i < padctl->num_lanes; i++)
+ if (strcmp(name, padctl->lanes[i].name) == 0)
+ return &padctl->lanes[i];
+
+ return NULL;
+}
+
+static int
+tegra_xusb_padctl_group_parse_dt(struct tegra_xusb_padctl *padctl,
+ struct tegra_xusb_padctl_group *group,
+ const void *fdt, int node)
+{
+ unsigned int i;
+ int len, err;
+
+ group->name = fdt_get_name(fdt, node, &len);
+
+ len = fdt_count_strings(fdt, node, "nvidia,lanes");
+ if (len < 0) {
+ error("tegra-xusb-padctl: failed to parse \"nvidia,lanes\" property");
+ return -EINVAL;
+ }
+
+ group->num_pins = len;
+
+ for (i = 0; i < group->num_pins; i++) {
+ err = fdt_get_string_index(fdt, node, "nvidia,lanes", i,
+ &group->pins[i]);
+ if (err < 0) {
+ error("tegra-xusb-padctl: failed to read string from \"nvidia,lanes\" property");
+ return -EINVAL;
+ }
+ }
+
+ group->num_pins = len;
+
+ err = fdt_get_string(fdt, node, "nvidia,function", &group->func);
+ if (err < 0) {
+ error("tegra-xusb-padctl: failed to parse \"nvidia,func\" property");
+ return -EINVAL;
+ }
+
+ group->iddq = fdtdec_get_int(fdt, node, "nvidia,iddq", -1);
+
+ return 0;
+}
+
+static int tegra_xusb_padctl_find_function(struct tegra_xusb_padctl *padctl,
+ const char *name)
+{
+ unsigned int i;
+
+ for (i = 0; i < padctl->num_functions; i++)
+ if (strcmp(name, padctl->functions[i]) == 0)
+ return i;
+
+ return -ENOENT;
+}
+
+static int
+tegra_xusb_padctl_lane_find_function(struct tegra_xusb_padctl *padctl,
+ const struct tegra_xusb_padctl_lane *lane,
+ const char *name)
+{
+ unsigned int i;
+ int func;
+
+ func = tegra_xusb_padctl_find_function(padctl, name);
+ if (func < 0)
+ return func;
+
+ for (i = 0; i < lane->num_funcs; i++)
+ if (lane->funcs[i] == func)
+ return i;
+
+ return -ENOENT;
+}
+
+static int
+tegra_xusb_padctl_group_apply(struct tegra_xusb_padctl *padctl,
+ const struct tegra_xusb_padctl_group *group)
+{
+ unsigned int i;
+
+ for (i = 0; i < group->num_pins; i++) {
+ const struct tegra_xusb_padctl_lane *lane;
+ unsigned int func;
+ u32 value;
+
+ lane = tegra_xusb_padctl_find_lane(padctl, group->pins[i]);
+ if (!lane) {
+ error("tegra-xusb-padctl: no lane for pin %s",
+ group->pins[i]);
+ continue;
+ }
+
+ func = tegra_xusb_padctl_lane_find_function(padctl, lane,
+ group->func);
+ if (func < 0) {
+ error("tegra-xusb-padctl: function %s invalid for lane %s: %d",
+ group->func, lane->name, func);
+ continue;
+ }
+
+ value = padctl_readl(padctl, lane->offset);
+
+ /* set pin function */
+ value &= ~(lane->mask << lane->shift);
+ value |= func << lane->shift;
+
+ /*
+ * Set IDDQ if supported on the lane and specified in the
+ * configuration.
+ */
+ if (lane->iddq > 0 && group->iddq >= 0) {
+ if (group->iddq != 0)
+ value &= ~(1 << lane->iddq);
+ else
+ value |= 1 << lane->iddq;
+ }
+
+ padctl_writel(padctl, value, lane->offset);
+ }
+
+ return 0;
+}
+
+static int
+tegra_xusb_padctl_config_apply(struct tegra_xusb_padctl *padctl,
+ struct tegra_xusb_padctl_config *config)
+{
+ unsigned int i;
+
+ for (i = 0; i < config->num_groups; i++) {
+ const struct tegra_xusb_padctl_group *group;
+ int err;
+
+ group = &config->groups[i];
+
+ err = tegra_xusb_padctl_group_apply(padctl, group);
+ if (err < 0) {
+ error("tegra-xusb-padctl: failed to apply group %s: %d",
+ group->name, err);
+ continue;
+ }
+ }
+
+ return 0;
+}
+
+static int
+tegra_xusb_padctl_config_parse_dt(struct tegra_xusb_padctl *padctl,
+ struct tegra_xusb_padctl_config *config,
+ const void *fdt, int node)
+{
+ int subnode;
+
+ config->name = fdt_get_name(fdt, node, NULL);
+
+ fdt_for_each_subnode(fdt, subnode, node) {
+ struct tegra_xusb_padctl_group *group;
+ int err;
+
+ group = &config->groups[config->num_groups];
+
+ err = tegra_xusb_padctl_group_parse_dt(padctl, group, fdt,
+ subnode);
+ if (err < 0) {
+ error("tegra-xusb-padctl: failed to parse group %s",
+ group->name);
+ return err;
+ }
+
+ config->num_groups++;
+ }
+
+ return 0;
+}
+
+static int tegra_xusb_padctl_parse_dt(struct tegra_xusb_padctl *padctl,
+ const void *fdt, int node)
+{
+ int subnode, err;
+
+ err = fdt_get_resource(fdt, node, "reg", 0, &padctl->regs);
+ if (err < 0) {
+ error("tegra-xusb-padctl: registers not found");
+ return err;
+ }
+
+ fdt_for_each_subnode(fdt, subnode, node) {
+ struct tegra_xusb_padctl_config *config = &padctl->config;
+
+ err = tegra_xusb_padctl_config_parse_dt(padctl, config, fdt,
+ subnode);
+ if (err < 0) {
+ error("tegra-xusb-padctl: failed to parse entry %s: %d",
+ config->name, err);
+ continue;
+ }
+ }
+
+ return 0;
+}
+
+static int process_nodes(const void *fdt, int nodes[], unsigned int count)
+{
+ unsigned int i;
+
+ for (i = 0; i < count; i++) {
+ enum fdt_compat_id id;
+ int err;
+
+ if (!fdtdec_get_is_enabled(fdt, nodes[i]))
+ continue;
+
+ id = fdtdec_lookup(fdt, nodes[i]);
+ switch (id) {
+ case COMPAT_NVIDIA_TEGRA124_XUSB_PADCTL:
+ break;
+
+ default:
+ error("tegra-xusb-padctl: unsupported compatible: %s",
+ fdtdec_get_compatible(id));
+ continue;
+ }
+
+ padctl->num_lanes = ARRAY_SIZE(tegra124_lanes);
+ padctl->lanes = tegra124_lanes;
+
+ padctl->num_functions = ARRAY_SIZE(tegra124_functions);
+ padctl->functions = tegra124_functions;
+
+ err = tegra_xusb_padctl_parse_dt(padctl, fdt, nodes[i]);
+ if (err < 0) {
+ error("tegra-xusb-padctl: failed to parse DT: %d",
+ err);
+ continue;
+ }
+
+ /* deassert XUSB padctl reset */
+ reset_set_enable(PERIPH_ID_XUSB_PADCTL, 0);
+
+ err = tegra_xusb_padctl_config_apply(padctl, &padctl->config);
+ if (err < 0) {
+ error("tegra-xusb-padctl: failed to apply pinmux: %d",
+ err);
+ continue;
+ }
+
+ /* only a single instance is supported */
+ break;
+ }
+
+ return 0;
+}
+
+struct tegra_xusb_phy *tegra_xusb_phy_get(unsigned int type)
+{
+ struct tegra_xusb_phy *phy = NULL;
+
+ switch (type) {
+ case TEGRA_XUSB_PADCTL_PCIE:
+ phy = &padctl->phys[0];
+ phy->padctl = padctl;
+ break;
+
+ case TEGRA_XUSB_PADCTL_SATA:
+ phy = &padctl->phys[1];
+ phy->padctl = padctl;
+ break;
+ }
+
+ return phy;
+}
+
+int tegra_xusb_phy_prepare(struct tegra_xusb_phy *phy)
+{
+ if (phy && phy->ops && phy->ops->prepare)
+ return phy->ops->prepare(phy);
+
+ return phy ? -ENOSYS : -EINVAL;
+}
+
+int tegra_xusb_phy_enable(struct tegra_xusb_phy *phy)
+{
+ if (phy && phy->ops && phy->ops->enable)
+ return phy->ops->enable(phy);
+
+ return phy ? -ENOSYS : -EINVAL;
+}
+
+int tegra_xusb_phy_disable(struct tegra_xusb_phy *phy)
+{
+ if (phy && phy->ops && phy->ops->disable)
+ return phy->ops->disable(phy);
+
+ return phy ? -ENOSYS : -EINVAL;
+}
+
+int tegra_xusb_phy_unprepare(struct tegra_xusb_phy *phy)
+{
+ if (phy && phy->ops && phy->ops->unprepare)
+ return phy->ops->unprepare(phy);
+
+ return phy ? -ENOSYS : -EINVAL;
+}
+
+void tegra_xusb_padctl_init(const void *fdt)
+{
+ int count, nodes[1];
+
+ count = fdtdec_find_aliases_for_id(fdt, "padctl",
+ COMPAT_NVIDIA_TEGRA124_XUSB_PADCTL,
+ nodes, ARRAY_SIZE(nodes));
+ if (process_nodes(fdt, nodes, count))
+ return;
+}
--- /dev/null
+if TEGRA20
+
+choice
+ prompt "Tegra20 board select"
+
+config TARGET_HARMONY
+ bool "NVIDIA Tegra20 Harmony evaluation board"
+
+config TARGET_MEDCOM_WIDE
+ bool "Avionic Design Medcom-Wide board"
+
+config TARGET_PAZ00
+ bool "Paz00 board"
+
+config TARGET_PLUTUX
+ bool "Avionic Design Plutux board"
+
+config TARGET_SEABOARD
+ bool "NVIDIA Seaboard"
+
+config TARGET_TEC
+ bool "Avionic Design Tamonten Evaluation Carrier"
+
+config TARGET_TRIMSLICE
+ bool "Compulab TrimSlice board"
+
+config TARGET_VENTANA
+ bool "NVIDIA Tegra20 Ventana evaluation board"
+
+config TARGET_WHISTLER
+ bool "NVIDIA Tegra20 Whistler evaluation board"
+
+config TARGET_COLIBRI_T20_IRIS
+ bool "Toradex Colibri T20 board"
+
+endchoice
+
+config SYS_SOC
+ default "tegra20"
+
+source "board/nvidia/harmony/Kconfig"
+source "board/avionic-design/medcom-wide/Kconfig"
+source "board/compal/paz00/Kconfig"
+source "board/avionic-design/plutux/Kconfig"
+source "board/nvidia/seaboard/Kconfig"
+source "board/avionic-design/tec/Kconfig"
+source "board/compulab/trimslice/Kconfig"
+source "board/nvidia/ventana/Kconfig"
+source "board/nvidia/whistler/Kconfig"
+source "board/toradex/colibri_t20_iris/Kconfig"
+
+endif
--- /dev/null
+#
+# (C) Copyright 2010,2011 Nvidia Corporation.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+ifdef CONFIG_SPL_BUILD
+obj-y += cpu.o
+else
+obj-$(CONFIG_PWM_TEGRA) += pwm.o
+obj-$(CONFIG_VIDEO_TEGRA) += display.o
+endif
+
+# The AVP is ARMv4T architecture so we must use special compiler
+# flags for any startup files it might use.
+CFLAGS_warmboot_avp.o += -march=armv4t
+
+obj-y += clock.o funcmux.o pinmux.o
+obj-$(CONFIG_TEGRA_LP0) += warmboot.o crypto.o warmboot_avp.o
+obj-$(CONFIG_TEGRA_CLOCK_SCALING) += emc.o
+obj-$(CONFIG_TEGRA_PMU) += pmu.o
--- /dev/null
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/* Tegra20 Clock control functions */
+
+#include <common.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/timer.h>
+#include <div64.h>
+#include <fdtdec.h>
+
+/*
+ * Clock types that we can use as a source. The Tegra20 has muxes for the
+ * peripheral clocks, and in most cases there are four options for the clock
+ * source. This gives us a clock 'type' and exploits what commonality exists
+ * in the device.
+ *
+ * Letters are obvious, except for T which means CLK_M, and S which means the
+ * clock derived from 32KHz. Beware that CLK_M (also called OSC in the
+ * datasheet) and PLL_M are different things. The former is the basic
+ * clock supplied to the SOC from an external oscillator. The latter is the
+ * memory clock PLL.
+ *
+ * See definitions in clock_id in the header file.
+ */
+enum clock_type_id {
+ CLOCK_TYPE_AXPT, /* PLL_A, PLL_X, PLL_P, CLK_M */
+ CLOCK_TYPE_MCPA, /* and so on */
+ CLOCK_TYPE_MCPT,
+ CLOCK_TYPE_PCM,
+ CLOCK_TYPE_PCMT,
+ CLOCK_TYPE_PCMT16, /* CLOCK_TYPE_PCMT with 16-bit divider */
+ CLOCK_TYPE_PCXTS,
+ CLOCK_TYPE_PDCT,
+
+ CLOCK_TYPE_COUNT,
+ CLOCK_TYPE_NONE = -1, /* invalid clock type */
+};
+
+enum {
+ CLOCK_MAX_MUX = 4 /* number of source options for each clock */
+};
+
+/*
+ * Clock source mux for each clock type. This just converts our enum into
+ * a list of mux sources for use by the code. Note that CLOCK_TYPE_PCXTS
+ * is special as it has 5 sources. Since it also has a different number of
+ * bits in its register for the source, we just handle it with a special
+ * case in the code.
+ */
+#define CLK(x) CLOCK_ID_ ## x
+static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX] = {
+ { CLK(AUDIO), CLK(XCPU), CLK(PERIPH), CLK(OSC) },
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(AUDIO) },
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC) },
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(NONE) },
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC) },
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC) },
+ { CLK(PERIPH), CLK(CGENERAL), CLK(XCPU), CLK(OSC) },
+ { CLK(PERIPH), CLK(DISPLAY), CLK(CGENERAL), CLK(OSC) },
+};
+
+/*
+ * Clock peripheral IDs which sadly don't match up with PERIPH_ID. This is
+ * not in the header file since it is for purely internal use - we want
+ * callers to use the PERIPH_ID for all access to peripheral clocks to avoid
+ * confusion bewteen PERIPH_ID_... and PERIPHC_...
+ *
+ * We don't call this CLOCK_PERIPH_ID or PERIPH_CLOCK_ID as it would just be
+ * confusing.
+ *
+ * Note to SOC vendors: perhaps define a unified numbering for peripherals and
+ * use it for reset, clock enable, clock source/divider and even pinmuxing
+ * if you can.
+ */
+enum periphc_internal_id {
+ /* 0x00 */
+ PERIPHC_I2S1,
+ PERIPHC_I2S2,
+ PERIPHC_SPDIF_OUT,
+ PERIPHC_SPDIF_IN,
+ PERIPHC_PWM,
+ PERIPHC_SPI1,
+ PERIPHC_SPI2,
+ PERIPHC_SPI3,
+
+ /* 0x08 */
+ PERIPHC_XIO,
+ PERIPHC_I2C1,
+ PERIPHC_DVC_I2C,
+ PERIPHC_TWC,
+ PERIPHC_0c,
+ PERIPHC_10, /* PERIPHC_SPI1, what is this really? */
+ PERIPHC_DISP1,
+ PERIPHC_DISP2,
+
+ /* 0x10 */
+ PERIPHC_CVE,
+ PERIPHC_IDE0,
+ PERIPHC_VI,
+ PERIPHC_1c,
+ PERIPHC_SDMMC1,
+ PERIPHC_SDMMC2,
+ PERIPHC_G3D,
+ PERIPHC_G2D,
+
+ /* 0x18 */
+ PERIPHC_NDFLASH,
+ PERIPHC_SDMMC4,
+ PERIPHC_VFIR,
+ PERIPHC_EPP,
+ PERIPHC_MPE,
+ PERIPHC_MIPI,
+ PERIPHC_UART1,
+ PERIPHC_UART2,
+
+ /* 0x20 */
+ PERIPHC_HOST1X,
+ PERIPHC_21,
+ PERIPHC_TVO,
+ PERIPHC_HDMI,
+ PERIPHC_24,
+ PERIPHC_TVDAC,
+ PERIPHC_I2C2,
+ PERIPHC_EMC,
+
+ /* 0x28 */
+ PERIPHC_UART3,
+ PERIPHC_29,
+ PERIPHC_VI_SENSOR,
+ PERIPHC_2b,
+ PERIPHC_2c,
+ PERIPHC_SPI4,
+ PERIPHC_I2C3,
+ PERIPHC_SDMMC3,
+
+ /* 0x30 */
+ PERIPHC_UART4,
+ PERIPHC_UART5,
+ PERIPHC_VDE,
+ PERIPHC_OWR,
+ PERIPHC_NOR,
+ PERIPHC_CSITE,
+
+ PERIPHC_COUNT,
+
+ PERIPHC_NONE = -1,
+};
+
+/*
+ * Clock type for each peripheral clock source. We put the name in each
+ * record just so it is easy to match things up
+ */
+#define TYPE(name, type) type
+static enum clock_type_id clock_periph_type[PERIPHC_COUNT] = {
+ /* 0x00 */
+ TYPE(PERIPHC_I2S1, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2S2, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_SPDIF_OUT, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_SPDIF_IN, CLOCK_TYPE_PCM),
+ TYPE(PERIPHC_PWM, CLOCK_TYPE_PCXTS),
+ TYPE(PERIPHC_SPI1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SPI22, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SPI3, CLOCK_TYPE_PCMT),
+
+ /* 0x08 */
+ TYPE(PERIPHC_XIO, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_I2C1, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_DVC_I2C, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_TWC, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SPI1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_DISP1, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_DISP2, CLOCK_TYPE_PDCT),
+
+ /* 0x10 */
+ TYPE(PERIPHC_CVE, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_IDE0, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SDMMC1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SDMMC2, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_G3D, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_G2D, CLOCK_TYPE_MCPA),
+
+ /* 0x18 */
+ TYPE(PERIPHC_NDFLASH, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SDMMC4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_VFIR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_EPP, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_MPE, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_MIPI, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_UART1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_UART2, CLOCK_TYPE_PCMT),
+
+ /* 0x20 */
+ TYPE(PERIPHC_HOST1X, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_TVO, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_HDMI, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_TVDAC, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_I2C2, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_EMC, CLOCK_TYPE_MCPT),
+
+ /* 0x28 */
+ TYPE(PERIPHC_UART3, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SPI4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_I2C3, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_SDMMC3, CLOCK_TYPE_PCMT),
+
+ /* 0x30 */
+ TYPE(PERIPHC_UART4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_UART5, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_VDE, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_OWR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NOR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_CSITE, CLOCK_TYPE_PCMT),
+};
+
+/*
+ * This array translates a periph_id to a periphc_internal_id
+ *
+ * Not present/matched up:
+ * uint vi_sensor; _VI_SENSOR_0, 0x1A8
+ * SPDIF - which is both 0x08 and 0x0c
+ *
+ */
+#define NONE(name) (-1)
+#define OFFSET(name, value) PERIPHC_ ## name
+static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = {
+ /* Low word: 31:0 */
+ NONE(CPU),
+ NONE(RESERVED1),
+ NONE(RESERVED2),
+ NONE(AC97),
+ NONE(RTC),
+ NONE(TMR),
+ PERIPHC_UART1,
+ PERIPHC_UART2, /* and vfir 0x68 */
+
+ /* 0x08 */
+ NONE(GPIO),
+ PERIPHC_SDMMC2,
+ NONE(SPDIF), /* 0x08 and 0x0c, unclear which to use */
+ PERIPHC_I2S1,
+ PERIPHC_I2C1,
+ PERIPHC_NDFLASH,
+ PERIPHC_SDMMC1,
+ PERIPHC_SDMMC4,
+
+ /* 0x10 */
+ PERIPHC_TWC,
+ PERIPHC_PWM,
+ PERIPHC_I2S2,
+ PERIPHC_EPP,
+ PERIPHC_VI,
+ PERIPHC_G2D,
+ NONE(USBD),
+ NONE(ISP),
+
+ /* 0x18 */
+ PERIPHC_G3D,
+ PERIPHC_IDE0,
+ PERIPHC_DISP2,
+ PERIPHC_DISP1,
+ PERIPHC_HOST1X,
+ NONE(VCP),
+ NONE(RESERVED30),
+ NONE(CACHE2),
+
+ /* Middle word: 63:32 */
+ NONE(MEM),
+ NONE(AHBDMA),
+ NONE(APBDMA),
+ NONE(RESERVED35),
+ NONE(KBC),
+ NONE(STAT_MON),
+ NONE(PMC),
+ NONE(FUSE),
+
+ /* 0x28 */
+ NONE(KFUSE),
+ NONE(SBC1), /* SBC1, 0x34, is this SPI1? */
+ PERIPHC_NOR,
+ PERIPHC_SPI1,
+ PERIPHC_SPI2,
+ PERIPHC_XIO,
+ PERIPHC_SPI3,
+ PERIPHC_DVC_I2C,
+
+ /* 0x30 */
+ NONE(DSI),
+ PERIPHC_TVO, /* also CVE 0x40 */
+ PERIPHC_MIPI,
+ PERIPHC_HDMI,
+ PERIPHC_CSITE,
+ PERIPHC_TVDAC,
+ PERIPHC_I2C2,
+ PERIPHC_UART3,
+
+ /* 0x38 */
+ NONE(RESERVED56),
+ PERIPHC_EMC,
+ NONE(USB2),
+ NONE(USB3),
+ PERIPHC_MPE,
+ PERIPHC_VDE,
+ NONE(BSEA),
+ NONE(BSEV),
+
+ /* Upper word 95:64 */
+ NONE(SPEEDO),
+ PERIPHC_UART4,
+ PERIPHC_UART5,
+ PERIPHC_I2C3,
+ PERIPHC_SPI4,
+ PERIPHC_SDMMC3,
+ NONE(PCIE),
+ PERIPHC_OWR,
+
+ /* 0x48 */
+ NONE(AFI),
+ NONE(CORESIGHT),
+ NONE(PCIEXCLK),
+ NONE(AVPUCQ),
+ NONE(RESERVED76),
+ NONE(RESERVED77),
+ NONE(RESERVED78),
+ NONE(RESERVED79),
+
+ /* 0x50 */
+ NONE(RESERVED80),
+ NONE(RESERVED81),
+ NONE(RESERVED82),
+ NONE(RESERVED83),
+ NONE(IRAMA),
+ NONE(IRAMB),
+ NONE(IRAMC),
+ NONE(IRAMD),
+
+ /* 0x58 */
+ NONE(CRAM2),
+};
+
+/*
+ * Get the oscillator frequency, from the corresponding hardware configuration
+ * field. T20 has 4 frequencies that it supports.
+ */
+enum clock_osc_freq clock_get_osc_freq(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ reg = readl(&clkrst->crc_osc_ctrl);
+ return (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
+}
+
+/* Returns a pointer to the clock source register for a peripheral */
+u32 *get_periph_source_reg(enum periph_id periph_id)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ enum periphc_internal_id internal_id;
+
+ assert(clock_periph_id_isvalid(periph_id));
+ internal_id = periph_id_to_internal_id[periph_id];
+ assert(internal_id != -1);
+ return &clkrst->crc_clk_src[internal_id];
+}
+
+/**
+ * Given a peripheral ID and the required source clock, this returns which
+ * value should be programmed into the source mux for that peripheral.
+ *
+ * There is special code here to handle the one source type with 5 sources.
+ *
+ * @param periph_id peripheral to start
+ * @param source PLL id of required parent clock
+ * @param mux_bits Set to number of bits in mux register: 2 or 4
+ * @param divider_bits Set to number of divider bits (8 or 16)
+ * @return mux value (0-4, or -1 if not found)
+ */
+int get_periph_clock_source(enum periph_id periph_id,
+ enum clock_id parent, int *mux_bits, int *divider_bits)
+{
+ enum clock_type_id type;
+ enum periphc_internal_id internal_id;
+ int mux;
+
+ assert(clock_periph_id_isvalid(periph_id));
+
+ internal_id = periph_id_to_internal_id[periph_id];
+ assert(periphc_internal_id_isvalid(internal_id));
+
+ type = clock_periph_type[internal_id];
+ assert(clock_type_id_isvalid(type));
+
+ /*
+ * Special cases here for the clock with a 4-bit source mux and I2C
+ * with its 16-bit divisor
+ */
+ if (type == CLOCK_TYPE_PCXTS)
+ *mux_bits = MASK_BITS_31_28;
+ else
+ *mux_bits = MASK_BITS_31_30;
+ if (type == CLOCK_TYPE_PCMT16)
+ *divider_bits = 16;
+ else
+ *divider_bits = 8;
+
+ for (mux = 0; mux < CLOCK_MAX_MUX; mux++)
+ if (clock_source[type][mux] == parent)
+ return mux;
+
+ /*
+ * Not found: it might be looking for the 'S' in CLOCK_TYPE_PCXTS
+ * which is not in our table. If not, then they are asking for a
+ * source which this peripheral can't access through its mux.
+ */
+ assert(type == CLOCK_TYPE_PCXTS);
+ assert(parent == CLOCK_ID_SFROM32KHZ);
+ if (type == CLOCK_TYPE_PCXTS && parent == CLOCK_ID_SFROM32KHZ)
+ return 4; /* mux value for this clock */
+
+ /* if we get here, either us or the caller has made a mistake */
+ printf("Caller requested bad clock: periph=%d, parent=%d\n", periph_id,
+ parent);
+ return -1;
+}
+
+void clock_set_enable(enum periph_id periph_id, int enable)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 *clk = &clkrst->crc_clk_out_enb[PERIPH_REG(periph_id)];
+ u32 reg;
+
+ /* Enable/disable the clock to this peripheral */
+ assert(clock_periph_id_isvalid(periph_id));
+ reg = readl(clk);
+ if (enable)
+ reg |= PERIPH_MASK(periph_id);
+ else
+ reg &= ~PERIPH_MASK(periph_id);
+ writel(reg, clk);
+}
+
+void reset_set_enable(enum periph_id periph_id, int enable)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 *reset = &clkrst->crc_rst_dev[PERIPH_REG(periph_id)];
+ u32 reg;
+
+ /* Enable/disable reset to the peripheral */
+ assert(clock_periph_id_isvalid(periph_id));
+ reg = readl(reset);
+ if (enable)
+ reg |= PERIPH_MASK(periph_id);
+ else
+ reg &= ~PERIPH_MASK(periph_id);
+ writel(reg, reset);
+}
+
+#ifdef CONFIG_OF_CONTROL
+/*
+ * Convert a device tree clock ID to our peripheral ID. They are mostly
+ * the same but we are very cautious so we check that a valid clock ID is
+ * provided.
+ *
+ * @param clk_id Clock ID according to tegra20 device tree binding
+ * @return peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid
+ */
+enum periph_id clk_id_to_periph_id(int clk_id)
+{
+ if (clk_id > PERIPH_ID_COUNT)
+ return PERIPH_ID_NONE;
+
+ switch (clk_id) {
+ case PERIPH_ID_RESERVED1:
+ case PERIPH_ID_RESERVED2:
+ case PERIPH_ID_RESERVED30:
+ case PERIPH_ID_RESERVED35:
+ case PERIPH_ID_RESERVED56:
+ case PERIPH_ID_PCIEXCLK:
+ case PERIPH_ID_RESERVED76:
+ case PERIPH_ID_RESERVED77:
+ case PERIPH_ID_RESERVED78:
+ case PERIPH_ID_RESERVED79:
+ case PERIPH_ID_RESERVED80:
+ case PERIPH_ID_RESERVED81:
+ case PERIPH_ID_RESERVED82:
+ case PERIPH_ID_RESERVED83:
+ case PERIPH_ID_RESERVED91:
+ return PERIPH_ID_NONE;
+ default:
+ return clk_id;
+ }
+}
+#endif /* CONFIG_OF_CONTROL */
+
+void clock_early_init(void)
+{
+ /*
+ * PLLP output frequency set to 216MHz
+ * PLLC output frequency set to 600Mhz
+ *
+ * TODO: Can we calculate these values instead of hard-coding?
+ */
+ switch (clock_get_osc_freq()) {
+ case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */
+ clock_set_rate(CLOCK_ID_PERIPH, 432, 12, 1, 8);
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 12, 0, 8);
+ break;
+
+ case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */
+ clock_set_rate(CLOCK_ID_PERIPH, 432, 26, 1, 8);
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 26, 0, 8);
+ break;
+
+ case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */
+ clock_set_rate(CLOCK_ID_PERIPH, 432, 13, 1, 8);
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 13, 0, 8);
+ break;
+ case CLOCK_OSC_FREQ_19_2:
+ default:
+ /*
+ * These are not supported. It is too early to print a
+ * message and the UART likely won't work anyway due to the
+ * oscillator being wrong.
+ */
+ break;
+ }
+}
+
+void arch_timer_init(void)
+{
+}
+
+#define PMC_SATA_PWRGT 0x1ac
+#define PMC_SATA_PWRGT_PLLE_IDDQ_OVERRIDE (1 << 5)
+#define PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL (1 << 4)
+
+#define PLLE_SS_CNTL 0x68
+#define PLLE_SS_CNTL_SSCINCINTRV(x) (((x) & 0x3f) << 24)
+#define PLLE_SS_CNTL_SSCINC(x) (((x) & 0xff) << 16)
+#define PLLE_SS_CNTL_SSCBYP (1 << 12)
+#define PLLE_SS_CNTL_INTERP_RESET (1 << 11)
+#define PLLE_SS_CNTL_BYPASS_SS (1 << 10)
+#define PLLE_SS_CNTL_SSCMAX(x) (((x) & 0x1ff) << 0)
+
+#define PLLE_BASE 0x0e8
+#define PLLE_BASE_ENABLE_CML (1 << 31)
+#define PLLE_BASE_ENABLE (1 << 30)
+#define PLLE_BASE_PLDIV_CML(x) (((x) & 0xf) << 24)
+#define PLLE_BASE_PLDIV(x) (((x) & 0x3f) << 16)
+#define PLLE_BASE_NDIV(x) (((x) & 0xff) << 8)
+#define PLLE_BASE_MDIV(x) (((x) & 0xff) << 0)
+
+#define PLLE_MISC 0x0ec
+#define PLLE_MISC_SETUP_BASE(x) (((x) & 0xffff) << 16)
+#define PLLE_MISC_PLL_READY (1 << 15)
+#define PLLE_MISC_LOCK (1 << 11)
+#define PLLE_MISC_LOCK_ENABLE (1 << 9)
+#define PLLE_MISC_SETUP_EXT(x) (((x) & 0x3) << 2)
+
+static int tegra_plle_train(void)
+{
+ unsigned int timeout = 2000;
+ unsigned long value;
+
+ value = readl(NV_PA_PMC_BASE + PMC_SATA_PWRGT);
+ value |= PMC_SATA_PWRGT_PLLE_IDDQ_OVERRIDE;
+ writel(value, NV_PA_PMC_BASE + PMC_SATA_PWRGT);
+
+ value = readl(NV_PA_PMC_BASE + PMC_SATA_PWRGT);
+ value |= PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL;
+ writel(value, NV_PA_PMC_BASE + PMC_SATA_PWRGT);
+
+ value = readl(NV_PA_PMC_BASE + PMC_SATA_PWRGT);
+ value &= ~PMC_SATA_PWRGT_PLLE_IDDQ_OVERRIDE;
+ writel(value, NV_PA_PMC_BASE + PMC_SATA_PWRGT);
+
+ do {
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
+ if (value & PLLE_MISC_PLL_READY)
+ break;
+
+ udelay(100);
+ } while (--timeout);
+
+ if (timeout == 0) {
+ error("timeout waiting for PLLE to become ready");
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+int tegra_plle_enable(void)
+{
+ unsigned int timeout = 1000;
+ u32 value;
+ int err;
+
+ /* disable PLLE clock */
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
+ value &= ~PLLE_BASE_ENABLE_CML;
+ value &= ~PLLE_BASE_ENABLE;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
+
+ /* clear lock enable and setup field */
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
+ value &= ~PLLE_MISC_LOCK_ENABLE;
+ value &= ~PLLE_MISC_SETUP_BASE(0xffff);
+ value &= ~PLLE_MISC_SETUP_EXT(0x3);
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_MISC);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
+ if ((value & PLLE_MISC_PLL_READY) == 0) {
+ err = tegra_plle_train();
+ if (err < 0) {
+ error("failed to train PLLE: %d", err);
+ return err;
+ }
+ }
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
+ value |= PLLE_MISC_SETUP_BASE(0x7);
+ value |= PLLE_MISC_LOCK_ENABLE;
+ value |= PLLE_MISC_SETUP_EXT(0);
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_MISC);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+ value |= PLLE_SS_CNTL_SSCBYP | PLLE_SS_CNTL_INTERP_RESET |
+ PLLE_SS_CNTL_BYPASS_SS;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
+ value |= PLLE_BASE_ENABLE_CML | PLLE_BASE_ENABLE;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
+
+ do {
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
+ if (value & PLLE_MISC_LOCK)
+ break;
+
+ udelay(2);
+ } while (--timeout);
+
+ if (timeout == 0) {
+ error("timeout waiting for PLLE to lock");
+ return -ETIMEDOUT;
+ }
+
+ udelay(50);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+ value &= ~PLLE_SS_CNTL_SSCINCINTRV(0x3f);
+ value |= PLLE_SS_CNTL_SSCINCINTRV(0x18);
+
+ value &= ~PLLE_SS_CNTL_SSCINC(0xff);
+ value |= PLLE_SS_CNTL_SSCINC(0x01);
+
+ value &= ~PLLE_SS_CNTL_SSCBYP;
+ value &= ~PLLE_SS_CNTL_INTERP_RESET;
+ value &= ~PLLE_SS_CNTL_BYPASS_SS;
+
+ value &= ~PLLE_SS_CNTL_SSCMAX(0x1ff);
+ value |= PLLE_SS_CNTL_SSCMAX(0x24);
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+
+ return 0;
+}
--- /dev/null
+/*
+ * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/pmc.h>
+#include "../cpu.h"
+
+static void enable_cpu_power_rail(void)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+
+ reg = readl(&pmc->pmc_cntrl);
+ reg |= CPUPWRREQ_OE;
+ writel(reg, &pmc->pmc_cntrl);
+
+ /*
+ * The TI PMU65861C needs a 3.75ms delay between enabling
+ * the power rail and enabling the CPU clock. This delay
+ * between SM1EN and SM1 is for switching time + the ramp
+ * up of the voltage to the CPU (VDD_CPU from PMU).
+ */
+ udelay(3750);
+}
+
+void start_cpu(u32 reset_vector)
+{
+ /* Enable VDD_CPU */
+ enable_cpu_power_rail();
+
+ /* Hold the CPUs in reset */
+ reset_A9_cpu(1);
+
+ /* Disable the CPU clock */
+ enable_cpu_clock(0);
+
+ /* Enable CoreSight */
+ clock_enable_coresight(1);
+
+ /*
+ * Set the entry point for CPU execution from reset,
+ * if it's a non-zero value.
+ */
+ if (reset_vector)
+ writel(reset_vector, EXCEP_VECTOR_CPU_RESET_VECTOR);
+
+ /* Enable the CPU clock */
+ enable_cpu_clock(1);
+
+ /* If the CPU doesn't already have power, power it up */
+ powerup_cpu();
+
+ /* Take the CPU out of reset */
+ reset_A9_cpu(0);
+}
--- /dev/null
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2010 - 2011 NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/errno.h>
+#include "crypto.h"
+#include "aes.h"
+
+static u8 zero_key[16];
+
+#define AES_CMAC_CONST_RB 0x87 /* from RFC 4493, Figure 2.2 */
+
+enum security_op {
+ SECURITY_SIGN = 1 << 0, /* Sign the data */
+ SECURITY_ENCRYPT = 1 << 1, /* Encrypt the data */
+};
+
+/**
+ * Shift a vector left by one bit
+ *
+ * \param in Input vector
+ * \param out Output vector
+ * \param size Length of vector in bytes
+ */
+static void left_shift_vector(u8 *in, u8 *out, int size)
+{
+ int carry = 0;
+ int i;
+
+ for (i = size - 1; i >= 0; i--) {
+ out[i] = (in[i] << 1) | carry;
+ carry = in[i] >> 7; /* get most significant bit */
+ }
+}
+
+/**
+ * Sign a block of data, putting the result into dst.
+ *
+ * \param key Input AES key, length AES_KEY_LENGTH
+ * \param key_schedule Expanded key to use
+ * \param src Source data of length 'num_aes_blocks' blocks
+ * \param dst Destination buffer, length AES_KEY_LENGTH
+ * \param num_aes_blocks Number of AES blocks to encrypt
+ */
+static void sign_object(u8 *key, u8 *key_schedule, u8 *src, u8 *dst,
+ u32 num_aes_blocks)
+{
+ u8 tmp_data[AES_KEY_LENGTH];
+ u8 left[AES_KEY_LENGTH];
+ u8 k1[AES_KEY_LENGTH];
+ u8 *cbc_chain_data;
+ unsigned i;
+
+ cbc_chain_data = zero_key; /* Convenient array of 0's for IV */
+
+ /* compute K1 constant needed by AES-CMAC calculation */
+ for (i = 0; i < AES_KEY_LENGTH; i++)
+ tmp_data[i] = 0;
+
+ aes_cbc_encrypt_blocks(key_schedule, tmp_data, left, 1);
+
+ left_shift_vector(left, k1, sizeof(left));
+
+ if ((left[0] >> 7) != 0) /* get MSB of L */
+ k1[AES_KEY_LENGTH-1] ^= AES_CMAC_CONST_RB;
+
+ /* compute the AES-CMAC value */
+ for (i = 0; i < num_aes_blocks; i++) {
+ /* Apply the chain data */
+ aes_apply_cbc_chain_data(cbc_chain_data, src, tmp_data);
+
+ /* for the final block, XOR K1 into the IV */
+ if (i == num_aes_blocks - 1)
+ aes_apply_cbc_chain_data(tmp_data, k1, tmp_data);
+
+ /* encrypt the AES block */
+ aes_encrypt(tmp_data, key_schedule, dst);
+
+ debug("sign_obj: block %d of %d\n", i, num_aes_blocks);
+
+ /* Update pointers for next loop. */
+ cbc_chain_data = dst;
+ src += AES_KEY_LENGTH;
+ }
+}
+
+/**
+ * Encrypt and sign a block of data (depending on security mode).
+ *
+ * \param key Input AES key, length AES_KEY_LENGTH
+ * \param oper Security operations mask to perform (enum security_op)
+ * \param src Source data
+ * \param length Size of source data
+ * \param sig_dst Destination address for signature, AES_KEY_LENGTH bytes
+ */
+static int encrypt_and_sign(u8 *key, enum security_op oper, u8 *src,
+ u32 length, u8 *sig_dst)
+{
+ u32 num_aes_blocks;
+ u8 key_schedule[AES_EXPAND_KEY_LENGTH];
+
+ debug("encrypt_and_sign: length = %d\n", length);
+
+ /*
+ * The only need for a key is for signing/checksum purposes, so
+ * if not encrypting, expand a key of 0s.
+ */
+ aes_expand_key(oper & SECURITY_ENCRYPT ? key : zero_key, key_schedule);
+
+ num_aes_blocks = (length + AES_KEY_LENGTH - 1) / AES_KEY_LENGTH;
+
+ if (oper & SECURITY_ENCRYPT) {
+ /* Perform this in place, resulting in src being encrypted. */
+ debug("encrypt_and_sign: begin encryption\n");
+ aes_cbc_encrypt_blocks(key_schedule, src, src, num_aes_blocks);
+ debug("encrypt_and_sign: end encryption\n");
+ }
+
+ if (oper & SECURITY_SIGN) {
+ /* encrypt the data, overwriting the result in signature. */
+ debug("encrypt_and_sign: begin signing\n");
+ sign_object(key, key_schedule, src, sig_dst, num_aes_blocks);
+ debug("encrypt_and_sign: end signing\n");
+ }
+
+ return 0;
+}
+
+int sign_data_block(u8 *source, unsigned length, u8 *signature)
+{
+ return encrypt_and_sign(zero_key, SECURITY_SIGN, source,
+ length, signature);
+}
--- /dev/null
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2010 - 2011 NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _CRYPTO_H_
+#define _CRYPTO_H_
+
+/**
+ * Sign a block of data
+ *
+ * \param source Source data
+ * \param length Size of source data
+ * \param signature Destination address for signature, AES_KEY_LENGTH bytes
+ */
+int sign_data_block(u8 *source, unsigned length, u8 *signature);
+
+#endif /* #ifndef _CRYPTO_H_ */
--- /dev/null
+/*
+ * (C) Copyright 2010
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch/display.h>
+#include <asm/arch/dc.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/timer.h>
+
+static struct fdt_disp_config config;
+
+static void update_window(struct dc_ctlr *dc, struct disp_ctl_win *win)
+{
+ unsigned h_dda, v_dda;
+ unsigned long val;
+
+ val = readl(&dc->cmd.disp_win_header);
+ val |= WINDOW_A_SELECT;
+ writel(val, &dc->cmd.disp_win_header);
+
+ writel(win->fmt, &dc->win.color_depth);
+
+ clrsetbits_le32(&dc->win.byte_swap, BYTE_SWAP_MASK,
+ BYTE_SWAP_NOSWAP << BYTE_SWAP_SHIFT);
+
+ val = win->out_x << H_POSITION_SHIFT;
+ val |= win->out_y << V_POSITION_SHIFT;
+ writel(val, &dc->win.pos);
+
+ val = win->out_w << H_SIZE_SHIFT;
+ val |= win->out_h << V_SIZE_SHIFT;
+ writel(val, &dc->win.size);
+
+ val = (win->w * win->bpp / 8) << H_PRESCALED_SIZE_SHIFT;
+ val |= win->h << V_PRESCALED_SIZE_SHIFT;
+ writel(val, &dc->win.prescaled_size);
+
+ writel(0, &dc->win.h_initial_dda);
+ writel(0, &dc->win.v_initial_dda);
+
+ h_dda = (win->w * 0x1000) / max(win->out_w - 1, 1U);
+ v_dda = (win->h * 0x1000) / max(win->out_h - 1, 1U);
+
+ val = h_dda << H_DDA_INC_SHIFT;
+ val |= v_dda << V_DDA_INC_SHIFT;
+ writel(val, &dc->win.dda_increment);
+
+ writel(win->stride, &dc->win.line_stride);
+ writel(0, &dc->win.buf_stride);
+
+ val = WIN_ENABLE;
+ if (win->bpp < 24)
+ val |= COLOR_EXPAND;
+ writel(val, &dc->win.win_opt);
+
+ writel((unsigned long)win->phys_addr, &dc->winbuf.start_addr);
+ writel(win->x, &dc->winbuf.addr_h_offset);
+ writel(win->y, &dc->winbuf.addr_v_offset);
+
+ writel(0xff00, &dc->win.blend_nokey);
+ writel(0xff00, &dc->win.blend_1win);
+
+ val = GENERAL_ACT_REQ | WIN_A_ACT_REQ;
+ val |= GENERAL_UPDATE | WIN_A_UPDATE;
+ writel(val, &dc->cmd.state_ctrl);
+}
+
+static void write_pair(struct fdt_disp_config *config, int item, u32 *reg)
+{
+ writel(config->horiz_timing[item] |
+ (config->vert_timing[item] << 16), reg);
+}
+
+static int update_display_mode(struct dc_disp_reg *disp,
+ struct fdt_disp_config *config)
+{
+ unsigned long val;
+ unsigned long rate;
+ unsigned long div;
+
+ writel(0x0, &disp->disp_timing_opt);
+ write_pair(config, FDT_LCD_TIMING_REF_TO_SYNC, &disp->ref_to_sync);
+ write_pair(config, FDT_LCD_TIMING_SYNC_WIDTH, &disp->sync_width);
+ write_pair(config, FDT_LCD_TIMING_BACK_PORCH, &disp->back_porch);
+ write_pair(config, FDT_LCD_TIMING_FRONT_PORCH, &disp->front_porch);
+
+ writel(config->width | (config->height << 16), &disp->disp_active);
+
+ val = DE_SELECT_ACTIVE << DE_SELECT_SHIFT;
+ val |= DE_CONTROL_NORMAL << DE_CONTROL_SHIFT;
+ writel(val, &disp->data_enable_opt);
+
+ val = DATA_FORMAT_DF1P1C << DATA_FORMAT_SHIFT;
+ val |= DATA_ALIGNMENT_MSB << DATA_ALIGNMENT_SHIFT;
+ val |= DATA_ORDER_RED_BLUE << DATA_ORDER_SHIFT;
+ writel(val, &disp->disp_interface_ctrl);
+
+ /*
+ * The pixel clock divider is in 7.1 format (where the bottom bit
+ * represents 0.5). Here we calculate the divider needed to get from
+ * the display clock (typically 600MHz) to the pixel clock. We round
+ * up or down as requried.
+ */
+ rate = clock_get_periph_rate(PERIPH_ID_DISP1, CLOCK_ID_CGENERAL);
+ div = ((rate * 2 + config->pixel_clock / 2) / config->pixel_clock) - 2;
+ debug("Display clock %lu, divider %lu\n", rate, div);
+
+ writel(0x00010001, &disp->shift_clk_opt);
+
+ val = PIXEL_CLK_DIVIDER_PCD1 << PIXEL_CLK_DIVIDER_SHIFT;
+ val |= div << SHIFT_CLK_DIVIDER_SHIFT;
+ writel(val, &disp->disp_clk_ctrl);
+
+ return 0;
+}
+
+/* Start up the display and turn on power to PWMs */
+static void basic_init(struct dc_cmd_reg *cmd)
+{
+ u32 val;
+
+ writel(0x00000100, &cmd->gen_incr_syncpt_ctrl);
+ writel(0x0000011a, &cmd->cont_syncpt_vsync);
+ writel(0x00000000, &cmd->int_type);
+ writel(0x00000000, &cmd->int_polarity);
+ writel(0x00000000, &cmd->int_mask);
+ writel(0x00000000, &cmd->int_enb);
+
+ val = PW0_ENABLE | PW1_ENABLE | PW2_ENABLE;
+ val |= PW3_ENABLE | PW4_ENABLE | PM0_ENABLE;
+ val |= PM1_ENABLE;
+ writel(val, &cmd->disp_pow_ctrl);
+
+ val = readl(&cmd->disp_cmd);
+ val |= CTRL_MODE_C_DISPLAY << CTRL_MODE_SHIFT;
+ writel(val, &cmd->disp_cmd);
+}
+
+static void basic_init_timer(struct dc_disp_reg *disp)
+{
+ writel(0x00000020, &disp->mem_high_pri);
+ writel(0x00000001, &disp->mem_high_pri_timer);
+}
+
+static const u32 rgb_enb_tab[PIN_REG_COUNT] = {
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+};
+
+static const u32 rgb_polarity_tab[PIN_REG_COUNT] = {
+ 0x00000000,
+ 0x01000000,
+ 0x00000000,
+ 0x00000000,
+};
+
+static const u32 rgb_data_tab[PIN_REG_COUNT] = {
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+};
+
+static const u32 rgb_sel_tab[PIN_OUTPUT_SEL_COUNT] = {
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00210222,
+ 0x00002200,
+ 0x00020000,
+};
+
+static void rgb_enable(struct dc_com_reg *com)
+{
+ int i;
+
+ for (i = 0; i < PIN_REG_COUNT; i++) {
+ writel(rgb_enb_tab[i], &com->pin_output_enb[i]);
+ writel(rgb_polarity_tab[i], &com->pin_output_polarity[i]);
+ writel(rgb_data_tab[i], &com->pin_output_data[i]);
+ }
+
+ for (i = 0; i < PIN_OUTPUT_SEL_COUNT; i++)
+ writel(rgb_sel_tab[i], &com->pin_output_sel[i]);
+}
+
+static int setup_window(struct disp_ctl_win *win,
+ struct fdt_disp_config *config)
+{
+ win->x = 0;
+ win->y = 0;
+ win->w = config->width;
+ win->h = config->height;
+ win->out_x = 0;
+ win->out_y = 0;
+ win->out_w = config->width;
+ win->out_h = config->height;
+ win->phys_addr = config->frame_buffer;
+ win->stride = config->width * (1 << config->log2_bpp) / 8;
+ debug("%s: depth = %d\n", __func__, config->log2_bpp);
+ switch (config->log2_bpp) {
+ case 5:
+ case 24:
+ win->fmt = COLOR_DEPTH_R8G8B8A8;
+ win->bpp = 32;
+ break;
+ case 4:
+ win->fmt = COLOR_DEPTH_B5G6R5;
+ win->bpp = 16;
+ break;
+
+ default:
+ debug("Unsupported LCD bit depth");
+ return -1;
+ }
+
+ return 0;
+}
+
+struct fdt_disp_config *tegra_display_get_config(void)
+{
+ return config.valid ? &config : NULL;
+}
+
+static void debug_timing(const char *name, unsigned int timing[])
+{
+#ifdef DEBUG
+ int i;
+
+ debug("%s timing: ", name);
+ for (i = 0; i < FDT_LCD_TIMING_COUNT; i++)
+ debug("%d ", timing[i]);
+ debug("\n");
+#endif
+}
+
+/**
+ * Decode panel information from the fdt, according to a standard binding
+ *
+ * @param blob fdt blob
+ * @param node offset of fdt node to read from
+ * @param config structure to store fdt config into
+ * @return 0 if ok, -ve on error
+ */
+static int tegra_decode_panel(const void *blob, int node,
+ struct fdt_disp_config *config)
+{
+ int front, back, ref;
+
+ config->width = fdtdec_get_int(blob, node, "xres", -1);
+ config->height = fdtdec_get_int(blob, node, "yres", -1);
+ config->pixel_clock = fdtdec_get_int(blob, node, "clock", 0);
+ if (!config->pixel_clock || config->width == -1 ||
+ config->height == -1) {
+ debug("%s: Pixel parameters missing\n", __func__);
+ return -FDT_ERR_NOTFOUND;
+ }
+
+ back = fdtdec_get_int(blob, node, "left-margin", -1);
+ front = fdtdec_get_int(blob, node, "right-margin", -1);
+ ref = fdtdec_get_int(blob, node, "hsync-len", -1);
+ if ((back | front | ref) == -1) {
+ debug("%s: Horizontal parameters missing\n", __func__);
+ return -FDT_ERR_NOTFOUND;
+ }
+
+ /* Use a ref-to-sync of 1 always, and take this from the front porch */
+ config->horiz_timing[FDT_LCD_TIMING_REF_TO_SYNC] = 1;
+ config->horiz_timing[FDT_LCD_TIMING_SYNC_WIDTH] = ref;
+ config->horiz_timing[FDT_LCD_TIMING_BACK_PORCH] = back;
+ config->horiz_timing[FDT_LCD_TIMING_FRONT_PORCH] = front -
+ config->horiz_timing[FDT_LCD_TIMING_REF_TO_SYNC];
+ debug_timing("horiz", config->horiz_timing);
+
+ back = fdtdec_get_int(blob, node, "upper-margin", -1);
+ front = fdtdec_get_int(blob, node, "lower-margin", -1);
+ ref = fdtdec_get_int(blob, node, "vsync-len", -1);
+ if ((back | front | ref) == -1) {
+ debug("%s: Vertical parameters missing\n", __func__);
+ return -FDT_ERR_NOTFOUND;
+ }
+
+ config->vert_timing[FDT_LCD_TIMING_REF_TO_SYNC] = 1;
+ config->vert_timing[FDT_LCD_TIMING_SYNC_WIDTH] = ref;
+ config->vert_timing[FDT_LCD_TIMING_BACK_PORCH] = back;
+ config->vert_timing[FDT_LCD_TIMING_FRONT_PORCH] = front -
+ config->vert_timing[FDT_LCD_TIMING_REF_TO_SYNC];
+ debug_timing("vert", config->vert_timing);
+
+ return 0;
+}
+
+/**
+ * Decode the display controller information from the fdt.
+ *
+ * @param blob fdt blob
+ * @param config structure to store fdt config into
+ * @return 0 if ok, -ve on error
+ */
+static int tegra_display_decode_config(const void *blob,
+ struct fdt_disp_config *config)
+{
+ int node, rgb;
+ int bpp, bit;
+
+ /* TODO: Support multiple controllers */
+ node = fdtdec_next_compatible(blob, 0, COMPAT_NVIDIA_TEGRA20_DC);
+ if (node < 0) {
+ debug("%s: Cannot find display controller node in fdt\n",
+ __func__);
+ return node;
+ }
+ config->disp = (struct disp_ctlr *)fdtdec_get_addr(blob, node, "reg");
+ if (!config->disp) {
+ debug("%s: No display controller address\n", __func__);
+ return -1;
+ }
+
+ rgb = fdt_subnode_offset(blob, node, "rgb");
+
+ config->panel_node = fdtdec_lookup_phandle(blob, rgb, "nvidia,panel");
+ if (config->panel_node < 0) {
+ debug("%s: Cannot find panel information\n", __func__);
+ return -1;
+ }
+
+ if (tegra_decode_panel(blob, config->panel_node, config)) {
+ debug("%s: Failed to decode panel information\n", __func__);
+ return -1;
+ }
+
+ bpp = fdtdec_get_int(blob, config->panel_node, "nvidia,bits-per-pixel",
+ -1);
+ bit = ffs(bpp) - 1;
+ if (bpp == (1 << bit))
+ config->log2_bpp = bit;
+ else
+ config->log2_bpp = bpp;
+ if (bpp == -1) {
+ debug("%s: Pixel bpp parameters missing\n", __func__);
+ return -FDT_ERR_NOTFOUND;
+ }
+ config->bpp = bpp;
+
+ config->valid = 1; /* we have a valid configuration */
+
+ return 0;
+}
+
+int tegra_display_probe(const void *blob, void *default_lcd_base)
+{
+ struct disp_ctl_win window;
+ struct dc_ctlr *dc;
+
+ if (tegra_display_decode_config(blob, &config))
+ return -1;
+
+ config.frame_buffer = (u32)default_lcd_base;
+
+ dc = (struct dc_ctlr *)config.disp;
+
+ /*
+ * A header file for clock constants was NAKed upstream.
+ * TODO: Put this into the FDT and fdt_lcd struct when we have clock
+ * support there
+ */
+ clock_start_periph_pll(PERIPH_ID_HOST1X, CLOCK_ID_PERIPH,
+ 144 * 1000000);
+ clock_start_periph_pll(PERIPH_ID_DISP1, CLOCK_ID_CGENERAL,
+ 600 * 1000000);
+ basic_init(&dc->cmd);
+ basic_init_timer(&dc->disp);
+ rgb_enable(&dc->com);
+
+ if (config.pixel_clock)
+ update_display_mode(&dc->disp, &config);
+
+ if (setup_window(&window, &config))
+ return -1;
+
+ update_window(dc, &window);
+
+ return 0;
+}
--- /dev/null
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <asm/io.h>
+#include <asm/arch-tegra/ap.h>
+#include <asm/arch-tegra/apb_misc.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/emc.h>
+#include <asm/arch/tegra.h>
+
+/*
+ * The EMC registers have shadow registers. When the EMC clock is updated
+ * in the clock controller, the shadow registers are copied to the active
+ * registers, allowing glitchless memory bus frequency changes.
+ * This function updates the shadow registers for a new clock frequency,
+ * and relies on the clock lock on the emc clock to avoid races between
+ * multiple frequency changes
+ */
+
+/*
+ * This table defines the ordering of the registers provided to
+ * tegra_set_mmc()
+ * TODO: Convert to fdt version once available
+ */
+static const unsigned long emc_reg_addr[TEGRA_EMC_NUM_REGS] = {
+ 0x2c, /* RC */
+ 0x30, /* RFC */
+ 0x34, /* RAS */
+ 0x38, /* RP */
+ 0x3c, /* R2W */
+ 0x40, /* W2R */
+ 0x44, /* R2P */
+ 0x48, /* W2P */
+ 0x4c, /* RD_RCD */
+ 0x50, /* WR_RCD */
+ 0x54, /* RRD */
+ 0x58, /* REXT */
+ 0x5c, /* WDV */
+ 0x60, /* QUSE */
+ 0x64, /* QRST */
+ 0x68, /* QSAFE */
+ 0x6c, /* RDV */
+ 0x70, /* REFRESH */
+ 0x74, /* BURST_REFRESH_NUM */
+ 0x78, /* PDEX2WR */
+ 0x7c, /* PDEX2RD */
+ 0x80, /* PCHG2PDEN */
+ 0x84, /* ACT2PDEN */
+ 0x88, /* AR2PDEN */
+ 0x8c, /* RW2PDEN */
+ 0x90, /* TXSR */
+ 0x94, /* TCKE */
+ 0x98, /* TFAW */
+ 0x9c, /* TRPAB */
+ 0xa0, /* TCLKSTABLE */
+ 0xa4, /* TCLKSTOP */
+ 0xa8, /* TREFBW */
+ 0xac, /* QUSE_EXTRA */
+ 0x114, /* FBIO_CFG6 */
+ 0xb0, /* ODT_WRITE */
+ 0xb4, /* ODT_READ */
+ 0x104, /* FBIO_CFG5 */
+ 0x2bc, /* CFG_DIG_DLL */
+ 0x2c0, /* DLL_XFORM_DQS */
+ 0x2c4, /* DLL_XFORM_QUSE */
+ 0x2e0, /* ZCAL_REF_CNT */
+ 0x2e4, /* ZCAL_WAIT_CNT */
+ 0x2a8, /* AUTO_CAL_INTERVAL */
+ 0x2d0, /* CFG_CLKTRIM_0 */
+ 0x2d4, /* CFG_CLKTRIM_1 */
+ 0x2d8, /* CFG_CLKTRIM_2 */
+};
+
+struct emc_ctlr *emc_get_controller(const void *blob)
+{
+ fdt_addr_t addr;
+ int node;
+
+ node = fdtdec_next_compatible(blob, 0, COMPAT_NVIDIA_TEGRA20_EMC);
+ if (node > 0) {
+ addr = fdtdec_get_addr(blob, node, "reg");
+ if (addr != FDT_ADDR_T_NONE)
+ return (struct emc_ctlr *)addr;
+ }
+ return NULL;
+}
+
+/* Error codes we use */
+enum {
+ ERR_NO_EMC_NODE = -10,
+ ERR_NO_EMC_REG,
+ ERR_NO_FREQ,
+ ERR_FREQ_NOT_FOUND,
+ ERR_BAD_REGS,
+ ERR_NO_RAM_CODE,
+ ERR_RAM_CODE_NOT_FOUND,
+};
+
+/**
+ * Find EMC tables for the given ram code.
+ *
+ * The tegra EMC binding has two options, one using the ram code and one not.
+ * We detect which is in use by looking for the nvidia,use-ram-code property.
+ * If this is not present, then the EMC tables are directly below 'node',
+ * otherwise we select the correct emc-tables subnode based on the 'ram_code'
+ * value.
+ *
+ * @param blob Device tree blob
+ * @param node EMC node (nvidia,tegra20-emc compatible string)
+ * @param ram_code RAM code to select (0-3, or -1 if unknown)
+ * @return 0 if ok, otherwise a -ve ERR_ code (see enum above)
+ */
+static int find_emc_tables(const void *blob, int node, int ram_code)
+{
+ int need_ram_code;
+ int depth;
+ int offset;
+
+ /* If we are using RAM codes, scan through the tables for our code */
+ need_ram_code = fdtdec_get_bool(blob, node, "nvidia,use-ram-code");
+ if (!need_ram_code)
+ return node;
+ if (ram_code == -1) {
+ debug("%s: RAM code required but not supplied\n", __func__);
+ return ERR_NO_RAM_CODE;
+ }
+
+ offset = node;
+ depth = 0;
+ do {
+ /*
+ * Sadly there is no compatible string so we cannot use
+ * fdtdec_next_compatible_subnode().
+ */
+ offset = fdt_next_node(blob, offset, &depth);
+ if (depth <= 0)
+ break;
+
+ /* Make sure this is a direct subnode */
+ if (depth != 1)
+ continue;
+ if (strcmp("emc-tables", fdt_get_name(blob, offset, NULL)))
+ continue;
+
+ if (fdtdec_get_int(blob, offset, "nvidia,ram-code", -1)
+ == ram_code)
+ return offset;
+ } while (1);
+
+ debug("%s: Could not find tables for RAM code %d\n", __func__,
+ ram_code);
+ return ERR_RAM_CODE_NOT_FOUND;
+}
+
+/**
+ * Decode the EMC node of the device tree, returning a pointer to the emc
+ * controller and the table to be used for the given rate.
+ *
+ * @param blob Device tree blob
+ * @param rate Clock speed of memory controller in Hz (=2x memory bus rate)
+ * @param emcp Returns address of EMC controller registers
+ * @param tablep Returns pointer to table to program into EMC. There are
+ * TEGRA_EMC_NUM_REGS entries, destined for offsets as per the
+ * emc_reg_addr array.
+ * @return 0 if ok, otherwise a -ve error code which will allow someone to
+ * figure out roughly what went wrong by looking at this code.
+ */
+static int decode_emc(const void *blob, unsigned rate, struct emc_ctlr **emcp,
+ const u32 **tablep)
+{
+ struct apb_misc_pp_ctlr *pp =
+ (struct apb_misc_pp_ctlr *)NV_PA_APB_MISC_BASE;
+ int ram_code;
+ int depth;
+ int node;
+
+ ram_code = (readl(&pp->strapping_opt_a) & RAM_CODE_MASK)
+ >> RAM_CODE_SHIFT;
+ /*
+ * The EMC clock rate is twice the bus rate, and the bus rate is
+ * measured in kHz
+ */
+ rate = rate / 2 / 1000;
+
+ node = fdtdec_next_compatible(blob, 0, COMPAT_NVIDIA_TEGRA20_EMC);
+ if (node < 0) {
+ debug("%s: No EMC node found in FDT\n", __func__);
+ return ERR_NO_EMC_NODE;
+ }
+ *emcp = (struct emc_ctlr *)fdtdec_get_addr(blob, node, "reg");
+ if (*emcp == (struct emc_ctlr *)FDT_ADDR_T_NONE) {
+ debug("%s: No EMC node reg property\n", __func__);
+ return ERR_NO_EMC_REG;
+ }
+
+ /* Work out the parent node which contains our EMC tables */
+ node = find_emc_tables(blob, node, ram_code & 3);
+ if (node < 0)
+ return node;
+
+ depth = 0;
+ for (;;) {
+ int node_rate;
+
+ node = fdtdec_next_compatible_subnode(blob, node,
+ COMPAT_NVIDIA_TEGRA20_EMC_TABLE, &depth);
+ if (node < 0)
+ break;
+ node_rate = fdtdec_get_int(blob, node, "clock-frequency", -1);
+ if (node_rate == -1) {
+ debug("%s: Missing clock-frequency\n", __func__);
+ return ERR_NO_FREQ; /* we expect this property */
+ }
+
+ if (node_rate == rate)
+ break;
+ }
+ if (node < 0) {
+ debug("%s: No node found for clock frequency %d\n", __func__,
+ rate);
+ return ERR_FREQ_NOT_FOUND;
+ }
+
+ *tablep = fdtdec_locate_array(blob, node, "nvidia,emc-registers",
+ TEGRA_EMC_NUM_REGS);
+ if (!*tablep) {
+ debug("%s: node '%s' array missing / wrong size\n", __func__,
+ fdt_get_name(blob, node, NULL));
+ return ERR_BAD_REGS;
+ }
+
+ /* All seems well */
+ return 0;
+}
+
+int tegra_set_emc(const void *blob, unsigned rate)
+{
+ struct emc_ctlr *emc;
+ const u32 *table = NULL;
+ int err, i;
+
+ err = decode_emc(blob, rate, &emc, &table);
+ if (err) {
+ debug("Warning: no valid EMC (%d), memory timings unset\n",
+ err);
+ return err;
+ }
+
+ debug("%s: Table found, setting EMC values as follows:\n", __func__);
+ for (i = 0; i < TEGRA_EMC_NUM_REGS; i++) {
+ u32 value = fdt32_to_cpu(table[i]);
+ u32 addr = (uintptr_t)emc + emc_reg_addr[i];
+
+ debug(" %#x: %#x\n", addr, value);
+ writel(value, addr);
+ }
+
+ /* trigger emc with new settings */
+ clock_adjust_periph_pll_div(PERIPH_ID_EMC, CLOCK_ID_MEMORY,
+ clock_get_rate(CLOCK_ID_MEMORY), NULL);
+ debug("EMC clock set to %lu\n",
+ clock_get_periph_rate(PERIPH_ID_EMC, CLOCK_ID_MEMORY));
+
+ return 0;
+}
--- /dev/null
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/* Tegra20 high-level function multiplexing */
+#include <common.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
+#include <asm/arch/pinmux.h>
+
+/*
+ * The PINMUX macro is used to set up pinmux tables.
+ */
+#define PINMUX(grp, mux, pupd, tri) \
+ {PMUX_PINGRP_##grp, PMUX_FUNC_##mux, PMUX_PULL_##pupd, PMUX_TRI_##tri}
+
+static const struct pmux_pingrp_config disp1_default[] = {
+ PINMUX(LDI, DISPA, NORMAL, NORMAL),
+ PINMUX(LHP0, DISPA, NORMAL, NORMAL),
+ PINMUX(LHP1, DISPA, NORMAL, NORMAL),
+ PINMUX(LHP2, DISPA, NORMAL, NORMAL),
+ PINMUX(LHS, DISPA, NORMAL, NORMAL),
+ PINMUX(LM0, RSVD4, NORMAL, NORMAL),
+ PINMUX(LPP, DISPA, NORMAL, NORMAL),
+ PINMUX(LPW0, DISPA, NORMAL, NORMAL),
+ PINMUX(LPW2, DISPA, NORMAL, NORMAL),
+ PINMUX(LSC0, DISPA, NORMAL, NORMAL),
+ PINMUX(LSPI, DISPA, NORMAL, NORMAL),
+ PINMUX(LVP1, DISPA, NORMAL, NORMAL),
+ PINMUX(LVS, DISPA, NORMAL, NORMAL),
+ PINMUX(SLXD, SPDIF, NORMAL, NORMAL),
+};
+
+
+int funcmux_select(enum periph_id id, int config)
+{
+ int bad_config = config != FUNCMUX_DEFAULT;
+
+ switch (id) {
+ case PERIPH_ID_UART1:
+ switch (config) {
+ case FUNCMUX_UART1_IRRX_IRTX:
+ pinmux_set_func(PMUX_PINGRP_IRRX, PMUX_FUNC_UARTA);
+ pinmux_set_func(PMUX_PINGRP_IRTX, PMUX_FUNC_UARTA);
+ pinmux_tristate_disable(PMUX_PINGRP_IRRX);
+ pinmux_tristate_disable(PMUX_PINGRP_IRTX);
+ break;
+ case FUNCMUX_UART1_UAA_UAB:
+ pinmux_set_func(PMUX_PINGRP_UAA, PMUX_FUNC_UARTA);
+ pinmux_set_func(PMUX_PINGRP_UAB, PMUX_FUNC_UARTA);
+ pinmux_tristate_disable(PMUX_PINGRP_UAA);
+ pinmux_tristate_disable(PMUX_PINGRP_UAB);
+ bad_config = 0;
+ break;
+ case FUNCMUX_UART1_GPU:
+ pinmux_set_func(PMUX_PINGRP_GPU, PMUX_FUNC_UARTA);
+ pinmux_tristate_disable(PMUX_PINGRP_GPU);
+ bad_config = 0;
+ break;
+ case FUNCMUX_UART1_SDIO1:
+ pinmux_set_func(PMUX_PINGRP_SDIO1, PMUX_FUNC_UARTA);
+ pinmux_tristate_disable(PMUX_PINGRP_SDIO1);
+ bad_config = 0;
+ break;
+ }
+ if (!bad_config) {
+ /*
+ * Tegra appears to boot with function UARTA pre-
+ * selected on mux group SDB. If two mux groups are
+ * both set to the same function, it's unclear which
+ * group's pins drive the RX signals into the HW.
+ * For UARTA, SDB certainly overrides group IRTX in
+ * practice. To solve this, configure some alternative
+ * function on SDB to avoid the conflict. Also, tri-
+ * state the group to avoid driving any signal onto it
+ * until we know what's connected.
+ */
+ pinmux_tristate_enable(PMUX_PINGRP_SDB);
+ pinmux_set_func(PMUX_PINGRP_SDB, PMUX_FUNC_SDIO3);
+ }
+ break;
+
+ case PERIPH_ID_UART2:
+ if (config == FUNCMUX_UART2_UAD) {
+ pinmux_set_func(PMUX_PINGRP_UAD, PMUX_FUNC_UARTB);
+ pinmux_tristate_disable(PMUX_PINGRP_UAD);
+ }
+ break;
+
+ case PERIPH_ID_UART4:
+ if (config == FUNCMUX_UART4_GMC) {
+ pinmux_set_func(PMUX_PINGRP_GMC, PMUX_FUNC_UARTD);
+ pinmux_tristate_disable(PMUX_PINGRP_GMC);
+ }
+ break;
+
+ case PERIPH_ID_DVC_I2C:
+ /* there is only one selection, pinmux_config is ignored */
+ if (config == FUNCMUX_DVC_I2CP) {
+ pinmux_set_func(PMUX_PINGRP_I2CP, PMUX_FUNC_I2C);
+ pinmux_tristate_disable(PMUX_PINGRP_I2CP);
+ }
+ break;
+
+ case PERIPH_ID_I2C1:
+ /* support pinmux_config of 0 for now, */
+ if (config == FUNCMUX_I2C1_RM) {
+ pinmux_set_func(PMUX_PINGRP_RM, PMUX_FUNC_I2C);
+ pinmux_tristate_disable(PMUX_PINGRP_RM);
+ }
+ break;
+ case PERIPH_ID_I2C2: /* I2C2 */
+ switch (config) {
+ case FUNCMUX_I2C2_DDC: /* DDC pin group, select I2C2 */
+ pinmux_set_func(PMUX_PINGRP_DDC, PMUX_FUNC_I2C2);
+ /* PTA to HDMI */
+ pinmux_set_func(PMUX_PINGRP_PTA, PMUX_FUNC_HDMI);
+ pinmux_tristate_disable(PMUX_PINGRP_DDC);
+ break;
+ case FUNCMUX_I2C2_PTA: /* PTA pin group, select I2C2 */
+ pinmux_set_func(PMUX_PINGRP_PTA, PMUX_FUNC_I2C2);
+ /* set DDC_SEL to RSVDx (RSVD2 works for now) */
+ pinmux_set_func(PMUX_PINGRP_DDC, PMUX_FUNC_RSVD2);
+ pinmux_tristate_disable(PMUX_PINGRP_PTA);
+ bad_config = 0;
+ break;
+ }
+ break;
+ case PERIPH_ID_I2C3: /* I2C3 */
+ /* support pinmux_config of 0 for now */
+ if (config == FUNCMUX_I2C3_DTF) {
+ pinmux_set_func(PMUX_PINGRP_DTF, PMUX_FUNC_I2C3);
+ pinmux_tristate_disable(PMUX_PINGRP_DTF);
+ }
+ break;
+
+ case PERIPH_ID_SDMMC1:
+ if (config == FUNCMUX_SDMMC1_SDIO1_4BIT) {
+ pinmux_set_func(PMUX_PINGRP_SDIO1, PMUX_FUNC_SDIO1);
+ pinmux_tristate_disable(PMUX_PINGRP_SDIO1);
+ }
+ break;
+
+ case PERIPH_ID_SDMMC2:
+ if (config == FUNCMUX_SDMMC2_DTA_DTD_8BIT) {
+ pinmux_set_func(PMUX_PINGRP_DTA, PMUX_FUNC_SDIO2);
+ pinmux_set_func(PMUX_PINGRP_DTD, PMUX_FUNC_SDIO2);
+
+ pinmux_tristate_disable(PMUX_PINGRP_DTA);
+ pinmux_tristate_disable(PMUX_PINGRP_DTD);
+ }
+ break;
+
+ case PERIPH_ID_SDMMC3:
+ switch (config) {
+ case FUNCMUX_SDMMC3_SDB_SLXA_8BIT:
+ pinmux_set_func(PMUX_PINGRP_SLXA, PMUX_FUNC_SDIO3);
+ pinmux_set_func(PMUX_PINGRP_SLXC, PMUX_FUNC_SDIO3);
+ pinmux_set_func(PMUX_PINGRP_SLXD, PMUX_FUNC_SDIO3);
+ pinmux_set_func(PMUX_PINGRP_SLXK, PMUX_FUNC_SDIO3);
+
+ pinmux_tristate_disable(PMUX_PINGRP_SLXA);
+ pinmux_tristate_disable(PMUX_PINGRP_SLXC);
+ pinmux_tristate_disable(PMUX_PINGRP_SLXD);
+ pinmux_tristate_disable(PMUX_PINGRP_SLXK);
+ /* fall through */
+
+ case FUNCMUX_SDMMC3_SDB_4BIT:
+ pinmux_set_func(PMUX_PINGRP_SDB, PMUX_FUNC_SDIO3);
+ pinmux_set_func(PMUX_PINGRP_SDC, PMUX_FUNC_SDIO3);
+ pinmux_set_func(PMUX_PINGRP_SDD, PMUX_FUNC_SDIO3);
+
+ pinmux_tristate_disable(PMUX_PINGRP_SDB);
+ pinmux_tristate_disable(PMUX_PINGRP_SDC);
+ pinmux_tristate_disable(PMUX_PINGRP_SDD);
+ bad_config = 0;
+ break;
+ }
+ break;
+
+ case PERIPH_ID_SDMMC4:
+ switch (config) {
+ case FUNCMUX_SDMMC4_ATC_ATD_8BIT:
+ pinmux_set_func(PMUX_PINGRP_ATC, PMUX_FUNC_SDIO4);
+ pinmux_set_func(PMUX_PINGRP_ATD, PMUX_FUNC_SDIO4);
+
+ pinmux_tristate_disable(PMUX_PINGRP_ATC);
+ pinmux_tristate_disable(PMUX_PINGRP_ATD);
+ break;
+
+ case FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT:
+ pinmux_set_func(PMUX_PINGRP_GME, PMUX_FUNC_SDIO4);
+ pinmux_tristate_disable(PMUX_PINGRP_GME);
+ /* fall through */
+
+ case FUNCMUX_SDMMC4_ATB_GMA_4_BIT:
+ pinmux_set_func(PMUX_PINGRP_ATB, PMUX_FUNC_SDIO4);
+ pinmux_set_func(PMUX_PINGRP_GMA, PMUX_FUNC_SDIO4);
+
+ pinmux_tristate_disable(PMUX_PINGRP_ATB);
+ pinmux_tristate_disable(PMUX_PINGRP_GMA);
+ bad_config = 0;
+ break;
+ }
+ break;
+
+ case PERIPH_ID_KBC:
+ if (config == FUNCMUX_DEFAULT) {
+ enum pmux_pingrp grp[] = {PMUX_PINGRP_KBCA,
+ PMUX_PINGRP_KBCB, PMUX_PINGRP_KBCC,
+ PMUX_PINGRP_KBCD, PMUX_PINGRP_KBCE,
+ PMUX_PINGRP_KBCF};
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(grp); i++) {
+ pinmux_tristate_disable(grp[i]);
+ pinmux_set_func(grp[i], PMUX_FUNC_KBC);
+ pinmux_set_pullupdown(grp[i], PMUX_PULL_UP);
+ }
+ }
+ break;
+
+ case PERIPH_ID_USB2:
+ if (config == FUNCMUX_USB2_ULPI) {
+ pinmux_set_func(PMUX_PINGRP_UAA, PMUX_FUNC_ULPI);
+ pinmux_set_func(PMUX_PINGRP_UAB, PMUX_FUNC_ULPI);
+ pinmux_set_func(PMUX_PINGRP_UDA, PMUX_FUNC_ULPI);
+
+ pinmux_tristate_disable(PMUX_PINGRP_UAA);
+ pinmux_tristate_disable(PMUX_PINGRP_UAB);
+ pinmux_tristate_disable(PMUX_PINGRP_UDA);
+ }
+ break;
+
+ case PERIPH_ID_SPI1:
+ if (config == FUNCMUX_SPI1_GMC_GMD) {
+ pinmux_set_func(PMUX_PINGRP_GMC, PMUX_FUNC_SFLASH);
+ pinmux_set_func(PMUX_PINGRP_GMD, PMUX_FUNC_SFLASH);
+
+ pinmux_tristate_disable(PMUX_PINGRP_GMC);
+ pinmux_tristate_disable(PMUX_PINGRP_GMD);
+ }
+ break;
+
+ case PERIPH_ID_NDFLASH:
+ switch (config) {
+ case FUNCMUX_NDFLASH_ATC:
+ pinmux_set_func(PMUX_PINGRP_ATC, PMUX_FUNC_NAND);
+ pinmux_tristate_disable(PMUX_PINGRP_ATC);
+ break;
+ case FUNCMUX_NDFLASH_KBC_8_BIT:
+ pinmux_set_func(PMUX_PINGRP_KBCA, PMUX_FUNC_NAND);
+ pinmux_set_func(PMUX_PINGRP_KBCC, PMUX_FUNC_NAND);
+ pinmux_set_func(PMUX_PINGRP_KBCD, PMUX_FUNC_NAND);
+ pinmux_set_func(PMUX_PINGRP_KBCE, PMUX_FUNC_NAND);
+ pinmux_set_func(PMUX_PINGRP_KBCF, PMUX_FUNC_NAND);
+
+ pinmux_tristate_disable(PMUX_PINGRP_KBCA);
+ pinmux_tristate_disable(PMUX_PINGRP_KBCC);
+ pinmux_tristate_disable(PMUX_PINGRP_KBCD);
+ pinmux_tristate_disable(PMUX_PINGRP_KBCE);
+ pinmux_tristate_disable(PMUX_PINGRP_KBCF);
+
+ bad_config = 0;
+ break;
+ }
+ break;
+ case PERIPH_ID_DISP1:
+ if (config == FUNCMUX_DEFAULT) {
+ int i;
+
+ for (i = PMUX_PINGRP_LD0; i <= PMUX_PINGRP_LD17; i++) {
+ pinmux_set_func(i, PMUX_FUNC_DISPA);
+ pinmux_tristate_disable(i);
+ pinmux_set_pullupdown(i, PMUX_PULL_NORMAL);
+ }
+ pinmux_config_pingrp_table(disp1_default,
+ ARRAY_SIZE(disp1_default));
+ }
+ break;
+
+ default:
+ debug("%s: invalid periph_id %d", __func__, id);
+ return -1;
+ }
+
+ if (bad_config) {
+ debug("%s: invalid config %d for periph_id %d", __func__,
+ config, id);
+ return -1;
+ }
+
+ return 0;
+}
--- /dev/null
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/* Tegra20 pin multiplexing functions */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/pinmux.h>
+
+/*
+ * This defines the order of the pin mux control bits in the registers. For
+ * some reason there is no correspendence between the tristate, pin mux and
+ * pullup/pulldown registers.
+ */
+enum pmux_ctlid {
+ /* 0: APB_MISC_PP_PIN_MUX_CTL_A_0 */
+ MUXCTL_UAA,
+ MUXCTL_UAB,
+ MUXCTL_UAC,
+ MUXCTL_UAD,
+ MUXCTL_UDA,
+ MUXCTL_RESERVED5,
+ MUXCTL_ATE,
+ MUXCTL_RM,
+
+ MUXCTL_ATB,
+ MUXCTL_RESERVED9,
+ MUXCTL_ATD,
+ MUXCTL_ATC,
+ MUXCTL_ATA,
+ MUXCTL_KBCF,
+ MUXCTL_KBCE,
+ MUXCTL_SDMMC1,
+
+ /* 16: APB_MISC_PP_PIN_MUX_CTL_B_0 */
+ MUXCTL_GMA,
+ MUXCTL_GMC,
+ MUXCTL_HDINT,
+ MUXCTL_SLXA,
+ MUXCTL_OWC,
+ MUXCTL_SLXC,
+ MUXCTL_SLXD,
+ MUXCTL_SLXK,
+
+ MUXCTL_UCA,
+ MUXCTL_UCB,
+ MUXCTL_DTA,
+ MUXCTL_DTB,
+ MUXCTL_RESERVED28,
+ MUXCTL_DTC,
+ MUXCTL_DTD,
+ MUXCTL_DTE,
+
+ /* 32: APB_MISC_PP_PIN_MUX_CTL_C_0 */
+ MUXCTL_DDC,
+ MUXCTL_CDEV1,
+ MUXCTL_CDEV2,
+ MUXCTL_CSUS,
+ MUXCTL_I2CP,
+ MUXCTL_KBCA,
+ MUXCTL_KBCB,
+ MUXCTL_KBCC,
+
+ MUXCTL_IRTX,
+ MUXCTL_IRRX,
+ MUXCTL_DAP1,
+ MUXCTL_DAP2,
+ MUXCTL_DAP3,
+ MUXCTL_DAP4,
+ MUXCTL_GMB,
+ MUXCTL_GMD,
+
+ /* 48: APB_MISC_PP_PIN_MUX_CTL_D_0 */
+ MUXCTL_GME,
+ MUXCTL_GPV,
+ MUXCTL_GPU,
+ MUXCTL_SPDO,
+ MUXCTL_SPDI,
+ MUXCTL_SDB,
+ MUXCTL_SDC,
+ MUXCTL_SDD,
+
+ MUXCTL_SPIH,
+ MUXCTL_SPIG,
+ MUXCTL_SPIF,
+ MUXCTL_SPIE,
+ MUXCTL_SPID,
+ MUXCTL_SPIC,
+ MUXCTL_SPIB,
+ MUXCTL_SPIA,
+
+ /* 64: APB_MISC_PP_PIN_MUX_CTL_E_0 */
+ MUXCTL_LPW0,
+ MUXCTL_LPW1,
+ MUXCTL_LPW2,
+ MUXCTL_LSDI,
+ MUXCTL_LSDA,
+ MUXCTL_LSPI,
+ MUXCTL_LCSN,
+ MUXCTL_LDC,
+
+ MUXCTL_LSCK,
+ MUXCTL_LSC0,
+ MUXCTL_LSC1,
+ MUXCTL_LHS,
+ MUXCTL_LVS,
+ MUXCTL_LM0,
+ MUXCTL_LM1,
+ MUXCTL_LVP0,
+
+ /* 80: APB_MISC_PP_PIN_MUX_CTL_F_0 */
+ MUXCTL_LD0,
+ MUXCTL_LD1,
+ MUXCTL_LD2,
+ MUXCTL_LD3,
+ MUXCTL_LD4,
+ MUXCTL_LD5,
+ MUXCTL_LD6,
+ MUXCTL_LD7,
+
+ MUXCTL_LD8,
+ MUXCTL_LD9,
+ MUXCTL_LD10,
+ MUXCTL_LD11,
+ MUXCTL_LD12,
+ MUXCTL_LD13,
+ MUXCTL_LD14,
+ MUXCTL_LD15,
+
+ /* 96: APB_MISC_PP_PIN_MUX_CTL_G_0 */
+ MUXCTL_LD16,
+ MUXCTL_LD17,
+ MUXCTL_LHP1,
+ MUXCTL_LHP2,
+ MUXCTL_LVP1,
+ MUXCTL_LHP0,
+ MUXCTL_RESERVED102,
+ MUXCTL_LPP,
+
+ MUXCTL_LDI,
+ MUXCTL_PMC,
+ MUXCTL_CRTP,
+ MUXCTL_PTA,
+ MUXCTL_RESERVED108,
+ MUXCTL_KBCD,
+ MUXCTL_GPU7,
+ MUXCTL_DTF,
+
+ MUXCTL_NONE = -1,
+};
+
+/*
+ * And this defines the order of the pullup/pulldown controls which are again
+ * in a different order
+ */
+enum pmux_pullid {
+ /* 0: APB_MISC_PP_PULLUPDOWN_REG_A_0 */
+ PUCTL_ATA,
+ PUCTL_ATB,
+ PUCTL_ATC,
+ PUCTL_ATD,
+ PUCTL_ATE,
+ PUCTL_DAP1,
+ PUCTL_DAP2,
+ PUCTL_DAP3,
+
+ PUCTL_DAP4,
+ PUCTL_DTA,
+ PUCTL_DTB,
+ PUCTL_DTC,
+ PUCTL_DTD,
+ PUCTL_DTE,
+ PUCTL_DTF,
+ PUCTL_GPV,
+
+ /* 16: APB_MISC_PP_PULLUPDOWN_REG_B_0 */
+ PUCTL_RM,
+ PUCTL_I2CP,
+ PUCTL_PTA,
+ PUCTL_GPU7,
+ PUCTL_KBCA,
+ PUCTL_KBCB,
+ PUCTL_KBCC,
+ PUCTL_KBCD,
+
+ PUCTL_SPDI,
+ PUCTL_SPDO,
+ PUCTL_GPSLXAU,
+ PUCTL_CRTP,
+ PUCTL_SLXC,
+ PUCTL_SLXD,
+ PUCTL_SLXK,
+
+ /* 32: APB_MISC_PP_PULLUPDOWN_REG_C_0 */
+ PUCTL_CDEV1,
+ PUCTL_CDEV2,
+ PUCTL_SPIA,
+ PUCTL_SPIB,
+ PUCTL_SPIC,
+ PUCTL_SPID,
+ PUCTL_SPIE,
+ PUCTL_SPIF,
+
+ PUCTL_SPIG,
+ PUCTL_SPIH,
+ PUCTL_IRTX,
+ PUCTL_IRRX,
+ PUCTL_GME,
+ PUCTL_RESERVED45,
+ PUCTL_XM2D,
+ PUCTL_XM2C,
+
+ /* 48: APB_MISC_PP_PULLUPDOWN_REG_D_0 */
+ PUCTL_UAA,
+ PUCTL_UAB,
+ PUCTL_UAC,
+ PUCTL_UAD,
+ PUCTL_UCA,
+ PUCTL_UCB,
+ PUCTL_LD17,
+ PUCTL_LD19_18,
+
+ PUCTL_LD21_20,
+ PUCTL_LD23_22,
+ PUCTL_LS,
+ PUCTL_LC,
+ PUCTL_CSUS,
+ PUCTL_DDRC,
+ PUCTL_SDC,
+ PUCTL_SDD,
+
+ /* 64: APB_MISC_PP_PULLUPDOWN_REG_E_0 */
+ PUCTL_KBCF,
+ PUCTL_KBCE,
+ PUCTL_PMCA,
+ PUCTL_PMCB,
+ PUCTL_PMCC,
+ PUCTL_PMCD,
+ PUCTL_PMCE,
+ PUCTL_CK32,
+
+ PUCTL_UDA,
+ PUCTL_SDMMC1,
+ PUCTL_GMA,
+ PUCTL_GMB,
+ PUCTL_GMC,
+ PUCTL_GMD,
+ PUCTL_DDC,
+ PUCTL_OWC,
+
+ PUCTL_NONE = -1
+};
+
+/* Convenient macro for defining pin group properties */
+#define PINALL(pingrp, f0, f1, f2, f3, mux, pupd) \
+ { \
+ .funcs = { \
+ PMUX_FUNC_ ## f0, \
+ PMUX_FUNC_ ## f1, \
+ PMUX_FUNC_ ## f2, \
+ PMUX_FUNC_ ## f3, \
+ }, \
+ .ctl_id = mux, \
+ .pull_id = pupd \
+ }
+
+/* A normal pin group where the mux name and pull-up name match */
+#define PIN(pingrp, f0, f1, f2, f3) \
+ PINALL(pingrp, f0, f1, f2, f3, MUXCTL_##pingrp, PUCTL_##pingrp)
+
+/* A pin group where the pull-up name doesn't have a 1-1 mapping */
+#define PINP(pingrp, f0, f1, f2, f3, pupd) \
+ PINALL(pingrp, f0, f1, f2, f3, MUXCTL_##pingrp, PUCTL_##pupd)
+
+/* A pin group number which is not used */
+#define PIN_RESERVED \
+ PIN(NONE, RSVD1, RSVD2, RSVD3, RSVD4)
+
+#define DRVGRP(drvgrp) \
+ PINALL(drvgrp, RSVD1, RSVD2, RSVD3, RSVD4, MUXCTL_NONE, PUCTL_NONE)
+
+static const struct pmux_pingrp_desc tegra20_pingroups[] = {
+ PIN(ATA, IDE, NAND, GMI, RSVD4),
+ PIN(ATB, IDE, NAND, GMI, SDIO4),
+ PIN(ATC, IDE, NAND, GMI, SDIO4),
+ PIN(ATD, IDE, NAND, GMI, SDIO4),
+ PIN(CDEV1, OSC, PLLA_OUT, PLLM_OUT1, AUDIO_SYNC),
+ PIN(CDEV2, OSC, AHB_CLK, APB_CLK, PLLP_OUT4),
+ PIN(CSUS, PLLC_OUT1, PLLP_OUT2, PLLP_OUT3, VI_SENSOR_CLK),
+ PIN(DAP1, DAP1, RSVD2, GMI, SDIO2),
+
+ PIN(DAP2, DAP2, TWC, RSVD3, GMI),
+ PIN(DAP3, DAP3, RSVD2, RSVD3, RSVD4),
+ PIN(DAP4, DAP4, RSVD2, GMI, RSVD4),
+ PIN(DTA, RSVD1, SDIO2, VI, RSVD4),
+ PIN(DTB, RSVD1, RSVD2, VI, SPI1),
+ PIN(DTC, RSVD1, RSVD2, VI, RSVD4),
+ PIN(DTD, RSVD1, SDIO2, VI, RSVD4),
+ PIN(DTE, RSVD1, RSVD2, VI, SPI1),
+
+ PINP(GPU, PWM, UARTA, GMI, RSVD4, GPSLXAU),
+ PIN(GPV, PCIE, RSVD2, RSVD3, RSVD4),
+ PIN(I2CP, I2C, RSVD2, RSVD3, RSVD4),
+ PIN(IRTX, UARTA, UARTB, GMI, SPI4),
+ PIN(IRRX, UARTA, UARTB, GMI, SPI4),
+ PIN(KBCB, KBC, NAND, SDIO2, MIO),
+ PIN(KBCA, KBC, NAND, SDIO2, EMC_TEST0_DLL),
+ PINP(PMC, PWR_ON, PWR_INTR, RSVD3, RSVD4, NONE),
+
+ PIN(PTA, I2C2, HDMI, GMI, RSVD4),
+ PIN(RM, I2C, RSVD2, RSVD3, RSVD4),
+ PIN(KBCE, KBC, NAND, OWR, RSVD4),
+ PIN(KBCF, KBC, NAND, TRACE, MIO),
+ PIN(GMA, UARTE, SPI3, GMI, SDIO4),
+ PIN(GMC, UARTD, SPI4, GMI, SFLASH),
+ PIN(SDMMC1, SDIO1, RSVD2, UARTE, UARTA),
+ PIN(OWC, OWR, RSVD2, RSVD3, RSVD4),
+
+ PIN(GME, RSVD1, DAP5, GMI, SDIO4),
+ PIN(SDC, PWM, TWC, SDIO3, SPI3),
+ PIN(SDD, UARTA, PWM, SDIO3, SPI3),
+ PIN_RESERVED,
+ PINP(SLXA, PCIE, SPI4, SDIO3, SPI2, CRTP),
+ PIN(SLXC, SPDIF, SPI4, SDIO3, SPI2),
+ PIN(SLXD, SPDIF, SPI4, SDIO3, SPI2),
+ PIN(SLXK, PCIE, SPI4, SDIO3, SPI2),
+
+ PIN(SPDI, SPDIF, RSVD2, I2C, SDIO2),
+ PIN(SPDO, SPDIF, RSVD2, I2C, SDIO2),
+ PIN(SPIA, SPI1, SPI2, SPI3, GMI),
+ PIN(SPIB, SPI1, SPI2, SPI3, GMI),
+ PIN(SPIC, SPI1, SPI2, SPI3, GMI),
+ PIN(SPID, SPI2, SPI1, SPI2_ALT, GMI),
+ PIN(SPIE, SPI2, SPI1, SPI2_ALT, GMI),
+ PIN(SPIF, SPI3, SPI1, SPI2, RSVD4),
+
+ PIN(SPIG, SPI3, SPI2, SPI2_ALT, I2C),
+ PIN(SPIH, SPI3, SPI2, SPI2_ALT, I2C),
+ PIN(UAA, SPI3, MIPI_HS, UARTA, ULPI),
+ PIN(UAB, SPI2, MIPI_HS, UARTA, ULPI),
+ PIN(UAC, OWR, RSVD2, RSVD3, RSVD4),
+ PIN(UAD, UARTB, SPDIF, UARTA, SPI4),
+ PIN(UCA, UARTC, RSVD2, GMI, RSVD4),
+ PIN(UCB, UARTC, PWM, GMI, RSVD4),
+
+ PIN_RESERVED,
+ PIN(ATE, IDE, NAND, GMI, RSVD4),
+ PIN(KBCC, KBC, NAND, TRACE, EMC_TEST1_DLL),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN(GMB, IDE, NAND, GMI, GMI_INT),
+ PIN(GMD, RSVD1, NAND, GMI, SFLASH),
+ PIN(DDC, I2C2, RSVD2, RSVD3, RSVD4),
+
+ /* 64 */
+ PINP(LD0, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD1, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD2, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD3, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD4, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD5, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD6, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD7, DISPA, DISPB, XIO, RSVD4, LD17),
+
+ PINP(LD8, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD9, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD10, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD11, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD12, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD13, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD14, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD15, DISPA, DISPB, XIO, RSVD4, LD17),
+
+ PINP(LD16, DISPA, DISPB, XIO, RSVD4, LD17),
+ PINP(LD17, DISPA, DISPB, RSVD3, RSVD4, LD17),
+ PINP(LHP0, DISPA, DISPB, RSVD3, RSVD4, LD21_20),
+ PINP(LHP1, DISPA, DISPB, RSVD3, RSVD4, LD19_18),
+ PINP(LHP2, DISPA, DISPB, RSVD3, RSVD4, LD19_18),
+ PINP(LVP0, DISPA, DISPB, RSVD3, RSVD4, LC),
+ PINP(LVP1, DISPA, DISPB, RSVD3, RSVD4, LD21_20),
+ PINP(HDINT, HDMI, RSVD2, RSVD3, RSVD4, LC),
+
+ PINP(LM0, DISPA, DISPB, SPI3, RSVD4, LC),
+ PINP(LM1, DISPA, DISPB, RSVD3, CRT, LC),
+ PINP(LVS, DISPA, DISPB, XIO, RSVD4, LC),
+ PINP(LSC0, DISPA, DISPB, XIO, RSVD4, LC),
+ PINP(LSC1, DISPA, DISPB, SPI3, HDMI, LS),
+ PINP(LSCK, DISPA, DISPB, SPI3, HDMI, LS),
+ PINP(LDC, DISPA, DISPB, RSVD3, RSVD4, LS),
+ PINP(LCSN, DISPA, DISPB, SPI3, RSVD4, LS),
+
+ /* 96 */
+ PINP(LSPI, DISPA, DISPB, XIO, HDMI, LC),
+ PINP(LSDA, DISPA, DISPB, SPI3, HDMI, LS),
+ PINP(LSDI, DISPA, DISPB, SPI3, RSVD4, LS),
+ PINP(LPW0, DISPA, DISPB, SPI3, HDMI, LS),
+ PINP(LPW1, DISPA, DISPB, RSVD3, RSVD4, LS),
+ PINP(LPW2, DISPA, DISPB, SPI3, HDMI, LS),
+ PINP(LDI, DISPA, DISPB, RSVD3, RSVD4, LD23_22),
+ PINP(LHS, DISPA, DISPB, XIO, RSVD4, LC),
+
+ PINP(LPP, DISPA, DISPB, RSVD3, RSVD4, LD23_22),
+ PIN_RESERVED,
+ PIN(KBCD, KBC, NAND, SDIO2, MIO),
+ PIN(GPU7, RTCK, RSVD2, RSVD3, RSVD4),
+ PIN(DTF, I2C3, RSVD2, VI, RSVD4),
+ PIN(UDA, SPI1, RSVD2, UARTD, ULPI),
+ PIN(CRTP, CRT, RSVD2, RSVD3, RSVD4),
+ PINP(SDB, UARTA, PWM, SDIO3, SPI2, NONE),
+
+ /* these pin groups only have pullup and pull down control */
+ DRVGRP(CK32),
+ DRVGRP(DDRC),
+ DRVGRP(PMCA),
+ DRVGRP(PMCB),
+ DRVGRP(PMCC),
+ DRVGRP(PMCD),
+ DRVGRP(PMCE),
+ DRVGRP(XM2C),
+ DRVGRP(XM2D),
+};
+const struct pmux_pingrp_desc *tegra_soc_pingroups = tegra20_pingroups;
--- /dev/null
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2010,2011 NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <tps6586x.h>
+#include <asm/io.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/ap.h>
+#include <asm/arch-tegra/tegra_i2c.h>
+#include <asm/arch-tegra/sys_proto.h>
+
+#define VDD_CORE_NOMINAL_T25 0x17 /* 1.3v */
+#define VDD_CPU_NOMINAL_T25 0x10 /* 1.125v */
+
+#define VDD_CORE_NOMINAL_T20 0x16 /* 1.275v */
+#define VDD_CPU_NOMINAL_T20 0x0f /* 1.1v */
+
+#define VDD_RELATION 0x02 /* 50mv */
+#define VDD_TRANSITION_STEP 0x06 /* 150mv */
+#define VDD_TRANSITION_RATE 0x06 /* 3.52mv/us */
+
+#define PMI_I2C_ADDRESS 0x34 /* chip requires this address */
+
+int pmu_set_nominal(void)
+{
+ struct udevice *bus, *dev;
+ int core, cpu;
+ int ret;
+
+ /* by default, the table has been filled with T25 settings */
+ switch (tegra_get_chip_sku()) {
+ case TEGRA_SOC_T20:
+ core = VDD_CORE_NOMINAL_T20;
+ cpu = VDD_CPU_NOMINAL_T20;
+ break;
+ case TEGRA_SOC_T25:
+ core = VDD_CORE_NOMINAL_T25;
+ cpu = VDD_CPU_NOMINAL_T25;
+ break;
+ default:
+ debug("%s: Unknown SKU id\n", __func__);
+ return -1;
+ }
+
+ ret = tegra_i2c_get_dvc_bus(&bus);
+ if (ret) {
+ debug("%s: Cannot find DVC I2C bus\n", __func__);
+ return ret;
+ }
+ ret = i2c_get_chip(bus, PMI_I2C_ADDRESS, 1, &dev);
+ if (ret) {
+ debug("%s: Cannot find DVC I2C chip\n", __func__);
+ return ret;
+ }
+
+ tps6586x_init(dev);
+ tps6586x_set_pwm_mode(TPS6586X_PWM_SM1);
+ return tps6586x_adjust_sm0_sm1(core, cpu, VDD_TRANSITION_STEP,
+ VDD_TRANSITION_RATE, VDD_RELATION);
+}
--- /dev/null
+/*
+ * Tegra2 pulse width frequency modulator definitions
+ *
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/pwm.h>
+
+struct pwm_info {
+ struct pwm_ctlr *pwm; /* Registers for our pwm controller */
+ int pwm_node; /* PWM device tree node */
+} local;
+
+void pwm_enable(unsigned channel, int rate, int pulse_width, int freq_divider)
+{
+ u32 reg;
+
+ assert(channel < PWM_NUM_CHANNELS);
+
+ /* TODO: Can we use clock_adjust_periph_pll_div() here? */
+ clock_start_periph_pll(PERIPH_ID_PWM, CLOCK_ID_SFROM32KHZ, rate);
+
+ reg = PWM_ENABLE_MASK;
+ reg |= pulse_width << PWM_WIDTH_SHIFT;
+ reg |= freq_divider << PWM_DIVIDER_SHIFT;
+ writel(reg, &local.pwm[channel].control);
+ debug("%s: channel=%d, rate=%d\n", __func__, channel, rate);
+}
+
+int pwm_request(const void *blob, int node, const char *prop_name)
+{
+ int pwm_node;
+ u32 data[3];
+
+ if (fdtdec_get_int_array(blob, node, prop_name, data,
+ ARRAY_SIZE(data))) {
+ debug("%s: Cannot decode PWM property '%s'\n", __func__,
+ prop_name);
+ return -1;
+ }
+
+ pwm_node = fdt_node_offset_by_phandle(blob, data[0]);
+ if (pwm_node != local.pwm_node) {
+ debug("%s: PWM property '%s' phandle %d not recognised"
+ "- expecting %d\n", __func__, prop_name, data[0],
+ local.pwm_node);
+ return -1;
+ }
+ if (data[1] >= PWM_NUM_CHANNELS) {
+ debug("%s: PWM property '%s': invalid channel %u\n", __func__,
+ prop_name, data[1]);
+ return -1;
+ }
+
+ /*
+ * TODO: We could maintain a list of requests, but it might not be
+ * worth it for U-Boot.
+ */
+ return data[1];
+}
+
+int pwm_init(const void *blob)
+{
+ local.pwm_node = fdtdec_next_compatible(blob, 0,
+ COMPAT_NVIDIA_TEGRA20_PWM);
+ if (local.pwm_node < 0) {
+ debug("%s: Cannot find device tree node\n", __func__);
+ return -1;
+ }
+
+ local.pwm = (struct pwm_ctlr *)fdtdec_get_addr(blob, local.pwm_node,
+ "reg");
+ if (local.pwm == (struct pwm_ctlr *)FDT_ADDR_T_NONE) {
+ debug("%s: Cannot find pwm reg address\n", __func__);
+ return -1;
+ }
+ debug("Tegra PWM at %p, node %d\n", local.pwm, local.pwm_node);
+
+ return 0;
+}
--- /dev/null
+/*
+ * (C) Copyright 2010 - 2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/emc.h>
+#include <asm/arch/gp_padctrl.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/sdram_param.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/ap.h>
+#include <asm/arch-tegra/apb_misc.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/pmc.h>
+#include <asm/arch-tegra/fuse.h>
+#include <asm/arch-tegra/warmboot.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifndef CONFIG_TEGRA_CLOCK_SCALING
+#error "You must enable CONFIG_TEGRA_CLOCK_SCALING to use CONFIG_TEGRA_LP0"
+#endif
+
+/*
+ * This is the place in SRAM where the SDRAM parameters are stored. There
+ * are 4 blocks, one for each RAM code
+ */
+#define SDRAM_PARAMS_BASE (NV_PA_BASE_SRAM + 0x188)
+
+/* TODO: If we later add support for the Misc GP controller, refactor this */
+union xm2cfga_reg {
+ struct {
+ u32 reserved0:2;
+ u32 hsm_en:1;
+ u32 reserved1:2;
+ u32 preemp_en:1;
+ u32 vref_en:1;
+ u32 reserved2:5;
+ u32 cal_drvdn:5;
+ u32 reserved3:3;
+ u32 cal_drvup:5;
+ u32 reserved4:3;
+ u32 cal_drvdn_slwr:2;
+ u32 cal_drvup_slwf:2;
+ };
+ u32 word;
+};
+
+union xm2cfgd_reg {
+ struct {
+ u32 reserved0:2;
+ u32 hsm_en:1;
+ u32 schmt_en:1;
+ u32 lpmd:2;
+ u32 vref_en:1;
+ u32 reserved1:5;
+ u32 cal_drvdn:5;
+ u32 reserved2:3;
+ u32 cal_drvup:5;
+ u32 reserved3:3;
+ u32 cal_drvdn_slwr:2;
+ u32 cal_drvup_slwf:2;
+ };
+ u32 word;
+};
+
+/*
+ * TODO: This register is not documented in the TRM yet. We could move this
+ * into the EMC and give it a proper interface, but not while it is
+ * undocumented.
+ */
+union fbio_spare_reg {
+ struct {
+ u32 reserved:24;
+ u32 cfg_wb0:8;
+ };
+ u32 word;
+};
+
+/* We pack the resume information into these unions for later */
+union scratch2_reg {
+ struct {
+ u32 pllm_base_divm:5;
+ u32 pllm_base_divn:10;
+ u32 pllm_base_divp:3;
+ u32 pllm_misc_lfcon:4;
+ u32 pllm_misc_cpcon:4;
+ u32 gp_xm2cfga_padctrl_preemp:1;
+ u32 gp_xm2cfgd_padctrl_schmt:1;
+ u32 osc_ctrl_xobp:1;
+ u32 memory_type:3;
+ };
+ u32 word;
+};
+
+union scratch4_reg {
+ struct {
+ u32 emc_clock_divider:8;
+ u32 pllm_stable_time:8;
+ u32 pllx_stable_time:8;
+ u32 emc_fbio_spare_cfg_wb0:8;
+ };
+ u32 word;
+};
+
+union scratch24_reg {
+ struct {
+ u32 emc_auto_cal_wait:8;
+ u32 emc_pin_program_wait:8;
+ u32 warmboot_wait:8;
+ u32 reserved:8;
+ };
+ u32 word;
+};
+
+int warmboot_save_sdram_params(void)
+{
+ u32 ram_code;
+ struct sdram_params sdram;
+ struct apb_misc_pp_ctlr *apb_misc =
+ (struct apb_misc_pp_ctlr *)NV_PA_APB_MISC_BASE;
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ struct apb_misc_gp_ctlr *gp =
+ (struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
+ struct emc_ctlr *emc = emc_get_controller(gd->fdt_blob);
+ union scratch2_reg scratch2;
+ union scratch4_reg scratch4;
+ union scratch24_reg scratch24;
+ union xm2cfga_reg xm2cfga;
+ union xm2cfgd_reg xm2cfgd;
+ union fbio_spare_reg fbio_spare;
+
+ /* get ram code that is used as index to array sdram_params in BCT */
+ ram_code = (readl(&apb_misc->strapping_opt_a) >>
+ STRAP_OPT_A_RAM_CODE_SHIFT) & 3;
+ memcpy(&sdram,
+ (char *)((struct sdram_params *)SDRAM_PARAMS_BASE + ram_code),
+ sizeof(sdram));
+
+ xm2cfga.word = readl(&gp->xm2cfga);
+ xm2cfgd.word = readl(&gp->xm2cfgd);
+
+ scratch2.word = 0;
+ scratch2.osc_ctrl_xobp = clock_get_osc_bypass();
+
+ /* Get the memory PLL settings */
+ {
+ u32 divm, divn, divp, cpcon, lfcon;
+
+ if (clock_ll_read_pll(CLOCK_ID_MEMORY, &divm, &divn, &divp,
+ &cpcon, &lfcon))
+ return -1;
+ scratch2.pllm_base_divm = divm;
+ scratch2.pllm_base_divn = divn;
+ scratch2.pllm_base_divp = divp;
+ scratch2.pllm_misc_cpcon = cpcon;
+ scratch2.pllm_misc_lfcon = lfcon;
+ }
+
+ scratch2.gp_xm2cfga_padctrl_preemp = xm2cfga.preemp_en;
+ scratch2.gp_xm2cfgd_padctrl_schmt = xm2cfgd.schmt_en;
+ scratch2.memory_type = sdram.memory_type;
+ writel(scratch2.word, &pmc->pmc_scratch2);
+
+ /* collect data from various sources for pmc_scratch4 */
+ fbio_spare.word = readl(&emc->fbio_spare);
+ scratch4.word = 0;
+ scratch4.emc_fbio_spare_cfg_wb0 = fbio_spare.cfg_wb0;
+ scratch4.emc_clock_divider = sdram.emc_clock_divider;
+ scratch4.pllm_stable_time = -1;
+ scratch4.pllx_stable_time = -1;
+ writel(scratch4.word, &pmc->pmc_scratch4);
+
+ /* collect various data from sdram for pmc_scratch24 */
+ scratch24.word = 0;
+ scratch24.emc_pin_program_wait = sdram.emc_pin_program_wait;
+ scratch24.emc_auto_cal_wait = sdram.emc_auto_cal_wait;
+ scratch24.warmboot_wait = sdram.warm_boot_wait;
+ writel(scratch24.word, &pmc->pmc_scratch24);
+
+ return 0;
+}
+
+static u32 get_major_version(void)
+{
+ u32 major_id;
+ struct apb_misc_gp_ctlr *gp =
+ (struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
+
+ major_id = (readl(&gp->hidrev) & HIDREV_MAJORPREV_MASK) >>
+ HIDREV_MAJORPREV_SHIFT;
+ return major_id;
+}
+
+static int is_production_mode_fuse_set(struct fuse_regs *fuse)
+{
+ return readl(&fuse->production_mode);
+}
+
+static int is_odm_production_mode_fuse_set(struct fuse_regs *fuse)
+{
+ return readl(&fuse->security_mode);
+}
+
+static int is_failure_analysis_mode(struct fuse_regs *fuse)
+{
+ return readl(&fuse->fa);
+}
+
+static int ap20_is_odm_production_mode(void)
+{
+ struct fuse_regs *fuse = (struct fuse_regs *)NV_PA_FUSE_BASE;
+
+ if (!is_failure_analysis_mode(fuse) &&
+ is_odm_production_mode_fuse_set(fuse))
+ return 1;
+ else
+ return 0;
+}
+
+static int ap20_is_production_mode(void)
+{
+ struct fuse_regs *fuse = (struct fuse_regs *)NV_PA_FUSE_BASE;
+
+ if (get_major_version() == 0)
+ return 1;
+
+ if (!is_failure_analysis_mode(fuse) &&
+ is_production_mode_fuse_set(fuse) &&
+ !is_odm_production_mode_fuse_set(fuse))
+ return 1;
+ else
+ return 0;
+}
+
+static enum fuse_operating_mode fuse_get_operation_mode(void)
+{
+ u32 chip_id;
+ struct apb_misc_gp_ctlr *gp =
+ (struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
+
+ chip_id = (readl(&gp->hidrev) & HIDREV_CHIPID_MASK) >>
+ HIDREV_CHIPID_SHIFT;
+ if (chip_id == CHIPID_TEGRA20) {
+ if (ap20_is_odm_production_mode()) {
+ printf("!! odm_production_mode is not supported !!\n");
+ return MODE_UNDEFINED;
+ } else
+ if (ap20_is_production_mode())
+ return MODE_PRODUCTION;
+ else
+ return MODE_UNDEFINED;
+ }
+ return MODE_UNDEFINED;
+}
+
+static void determine_crypto_options(int *is_encrypted, int *is_signed,
+ int *use_zero_key)
+{
+ switch (fuse_get_operation_mode()) {
+ case MODE_PRODUCTION:
+ *is_encrypted = 0;
+ *is_signed = 1;
+ *use_zero_key = 1;
+ break;
+ case MODE_UNDEFINED:
+ default:
+ *is_encrypted = 0;
+ *is_signed = 0;
+ *use_zero_key = 0;
+ break;
+ }
+}
+
+static int sign_wb_code(u32 start, u32 length, int use_zero_key)
+{
+ int err;
+ u8 *source; /* Pointer to source */
+ u8 *hash;
+
+ /* Calculate AES block parameters. */
+ source = (u8 *)(start + offsetof(struct wb_header, random_aes_block));
+ length -= offsetof(struct wb_header, random_aes_block);
+ hash = (u8 *)(start + offsetof(struct wb_header, hash));
+ err = sign_data_block(source, length, hash);
+
+ return err;
+}
+
+int warmboot_prepare_code(u32 seg_address, u32 seg_length)
+{
+ int err = 0;
+ u32 length; /* length of the signed/encrypt code */
+ struct wb_header *dst_header; /* Pointer to dest WB header */
+ int is_encrypted; /* Segment is encrypted */
+ int is_signed; /* Segment is signed */
+ int use_zero_key; /* Use key of all zeros */
+
+ /* Determine crypto options. */
+ determine_crypto_options(&is_encrypted, &is_signed, &use_zero_key);
+
+ /* Get the actual code limits. */
+ length = roundup(((u32)wb_end - (u32)wb_start), 16);
+
+ /*
+ * The region specified by seg_address must be in SDRAM and must be
+ * nonzero in length.
+ */
+ if (seg_length == 0 || seg_address < NV_PA_SDRAM_BASE ||
+ seg_address + seg_length >= NV_PA_SDRAM_BASE + gd->ram_size) {
+ err = -EFAULT;
+ goto fail;
+ }
+
+ /* Things must be 16-byte aligned. */
+ if ((seg_length & 0xF) || (seg_address & 0xF)) {
+ err = -EINVAL;
+ goto fail;
+ }
+
+ /* Will the code fit? (destination includes wb_header + wb code) */
+ if (seg_length < (length + sizeof(struct wb_header))) {
+ err = -EINVAL;
+ goto fail;
+ }
+
+ dst_header = (struct wb_header *)seg_address;
+ memset((char *)dst_header, 0, sizeof(struct wb_header));
+
+ /* Populate the random_aes_block as requested. */
+ {
+ u32 *aes_block = (u32 *)&(dst_header->random_aes_block);
+ u32 *end = (u32 *)(((u32)aes_block) +
+ sizeof(dst_header->random_aes_block));
+
+ do {
+ *aes_block++ = 0;
+ } while (aes_block < end);
+ }
+
+ /* Populate the header. */
+ dst_header->length_insecure = length + sizeof(struct wb_header);
+ dst_header->length_secure = length + sizeof(struct wb_header);
+ dst_header->destination = NV_WB_RUN_ADDRESS;
+ dst_header->entry_point = NV_WB_RUN_ADDRESS;
+ dst_header->code_length = length;
+
+ if (is_encrypted) {
+ printf("!!!! Encryption is not supported !!!!\n");
+ dst_header->length_insecure = 0;
+ err = -EACCES;
+ goto fail;
+ } else
+ /* copy the wb code directly following dst_header. */
+ memcpy((char *)(dst_header+1), (char *)wb_start, length);
+
+ if (is_signed)
+ err = sign_wb_code(seg_address, dst_header->length_insecure,
+ use_zero_key);
+
+fail:
+ if (err)
+ printf("Warning: warmboot code copy failed (error=%d)\n", err);
+
+ return err;
+}
--- /dev/null
+/*
+ * (C) Copyright 2010 - 2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/flow.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/ap.h>
+#include <asm/arch-tegra/apb_misc.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/pmc.h>
+#include <asm/arch-tegra/warmboot.h>
+#include "warmboot_avp.h"
+
+#define DEBUG_RESET_CORESIGHT
+
+void wb_start(void)
+{
+ struct apb_misc_pp_ctlr *apb_misc =
+ (struct apb_misc_pp_ctlr *)NV_PA_APB_MISC_BASE;
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ union osc_ctrl_reg osc_ctrl;
+ union pllx_base_reg pllx_base;
+ union pllx_misc_reg pllx_misc;
+ union scratch3_reg scratch3;
+ u32 reg;
+
+ /* enable JTAG & TBE */
+ writel(CONFIG_CTL_TBE | CONFIG_CTL_JTAG, &apb_misc->cfg_ctl);
+
+ /* Are we running where we're supposed to be? */
+ asm volatile (
+ "adr %0, wb_start;" /* reg: wb_start address */
+ : "=r"(reg) /* output */
+ /* no input, no clobber list */
+ );
+
+ if (reg != NV_WB_RUN_ADDRESS)
+ goto do_reset;
+
+ /* Are we running with AVP? */
+ if (readl(NV_PA_PG_UP_BASE + PG_UP_TAG_0) != PG_UP_TAG_AVP)
+ goto do_reset;
+
+#ifdef DEBUG_RESET_CORESIGHT
+ /* Assert CoreSight reset */
+ reg = readl(&clkrst->crc_rst_dev[TEGRA_DEV_U]);
+ reg |= SWR_CSITE_RST;
+ writel(reg, &clkrst->crc_rst_dev[TEGRA_DEV_U]);
+#endif
+
+ /* TODO: Set the drive strength - maybe make this a board parameter? */
+ osc_ctrl.word = readl(&clkrst->crc_osc_ctrl);
+ osc_ctrl.xofs = 4;
+ osc_ctrl.xoe = 1;
+ writel(osc_ctrl.word, &clkrst->crc_osc_ctrl);
+
+ /* Power up the CPU complex if necessary */
+ if (!(readl(&pmc->pmc_pwrgate_status) & PWRGATE_STATUS_CPU)) {
+ reg = PWRGATE_TOGGLE_PARTID_CPU | PWRGATE_TOGGLE_START;
+ writel(reg, &pmc->pmc_pwrgate_toggle);
+ while (!(readl(&pmc->pmc_pwrgate_status) & PWRGATE_STATUS_CPU))
+ ;
+ }
+
+ /* Remove the I/O clamps from the CPU power partition. */
+ reg = readl(&pmc->pmc_remove_clamping);
+ reg |= CPU_CLMP;
+ writel(reg, &pmc->pmc_remove_clamping);
+
+ reg = EVENT_ZERO_VAL_20 | EVENT_MSEC | EVENT_MODE_STOP;
+ writel(reg, &flow->halt_cop_events);
+
+ /* Assert CPU complex reset */
+ reg = readl(&clkrst->crc_rst_dev[TEGRA_DEV_L]);
+ reg |= CPU_RST;
+ writel(reg, &clkrst->crc_rst_dev[TEGRA_DEV_L]);
+
+ /* Hold both CPUs in reset */
+ reg = CPU_CMPLX_CPURESET0 | CPU_CMPLX_CPURESET1 | CPU_CMPLX_DERESET0 |
+ CPU_CMPLX_DERESET1 | CPU_CMPLX_DBGRESET0 | CPU_CMPLX_DBGRESET1;
+ writel(reg, &clkrst->crc_cpu_cmplx_set);
+
+ /* Halt CPU1 at the flow controller for uni-processor configurations */
+ writel(EVENT_MODE_STOP, &flow->halt_cpu1_events);
+
+ /*
+ * Set the CPU reset vector. SCRATCH41 contains the physical
+ * address of the CPU-side restoration code.
+ */
+ reg = readl(&pmc->pmc_scratch41);
+ writel(reg, EXCEP_VECTOR_CPU_RESET_VECTOR);
+
+ /* Select CPU complex clock source */
+ writel(CCLK_PLLP_BURST_POLICY, &clkrst->crc_cclk_brst_pol);
+
+ /* Start the CPU0 clock and stop the CPU1 clock */
+ reg = CPU_CMPLX_CPU_BRIDGE_CLKDIV_4 | CPU_CMPLX_CPU0_CLK_STP_RUN |
+ CPU_CMPLX_CPU1_CLK_STP_STOP;
+ writel(reg, &clkrst->crc_clk_cpu_cmplx);
+
+ /* Enable the CPU complex clock */
+ reg = readl(&clkrst->crc_clk_out_enb[TEGRA_DEV_L]);
+ reg |= CLK_ENB_CPU;
+ writel(reg, &clkrst->crc_clk_out_enb[TEGRA_DEV_L]);
+
+ /* Make sure the resets were held for at least 2 microseconds */
+ reg = readl(TIMER_USEC_CNTR);
+ while (readl(TIMER_USEC_CNTR) <= (reg + 2))
+ ;
+
+#ifdef DEBUG_RESET_CORESIGHT
+ /*
+ * De-assert CoreSight reset.
+ * NOTE: We're leaving the CoreSight clock on the oscillator for
+ * now. It will be restored to its original clock source
+ * when the CPU-side restoration code runs.
+ */
+ reg = readl(&clkrst->crc_rst_dev[TEGRA_DEV_U]);
+ reg &= ~SWR_CSITE_RST;
+ writel(reg, &clkrst->crc_rst_dev[TEGRA_DEV_U]);
+#endif
+
+ /* Unlock the CPU CoreSight interfaces */
+ reg = 0xC5ACCE55;
+ writel(reg, CSITE_CPU_DBG0_LAR);
+ writel(reg, CSITE_CPU_DBG1_LAR);
+
+ /*
+ * Sample the microsecond timestamp again. This is the time we must
+ * use when returning from LP0 for PLL stabilization delays.
+ */
+ reg = readl(TIMER_USEC_CNTR);
+ writel(reg, &pmc->pmc_scratch1);
+
+ pllx_base.word = 0;
+ pllx_misc.word = 0;
+ scratch3.word = readl(&pmc->pmc_scratch3);
+
+ /* Get the OSC. For 19.2 MHz, use 19 to make the calculations easier */
+ reg = (readl(TIMER_USEC_CFG) & USEC_CFG_DIVISOR_MASK) + 1;
+
+ /*
+ * According to the TRM, for 19.2MHz OSC, the USEC_DIVISOR is 0x5f, and
+ * USEC_DIVIDEND is 0x04. So, if USEC_DIVISOR > 26, OSC is 19.2 MHz.
+ *
+ * reg is used to calculate the pllx freq, which is used to determine if
+ * to set dccon or not.
+ */
+ if (reg > 26)
+ reg = 19;
+
+ /* PLLX_BASE.PLLX_DIVM */
+ if (scratch3.pllx_base_divm == reg)
+ reg = 0;
+ else
+ reg = 1;
+
+ /* PLLX_BASE.PLLX_DIVN */
+ pllx_base.divn = scratch3.pllx_base_divn;
+ reg = scratch3.pllx_base_divn << reg;
+
+ /* PLLX_BASE.PLLX_DIVP */
+ pllx_base.divp = scratch3.pllx_base_divp;
+ reg = reg >> scratch3.pllx_base_divp;
+
+ pllx_base.bypass = 1;
+
+ /* PLLX_MISC_DCCON must be set for pllx frequency > 600 MHz. */
+ if (reg > 600)
+ pllx_misc.dccon = 1;
+
+ /* PLLX_MISC_LFCON */
+ pllx_misc.lfcon = scratch3.pllx_misc_lfcon;
+
+ /* PLLX_MISC_CPCON */
+ pllx_misc.cpcon = scratch3.pllx_misc_cpcon;
+
+ writel(pllx_misc.word, &clkrst->crc_pll_simple[SIMPLE_PLLX].pll_misc);
+ writel(pllx_base.word, &clkrst->crc_pll_simple[SIMPLE_PLLX].pll_base);
+
+ pllx_base.enable = 1;
+ writel(pllx_base.word, &clkrst->crc_pll_simple[SIMPLE_PLLX].pll_base);
+ pllx_base.bypass = 0;
+ writel(pllx_base.word, &clkrst->crc_pll_simple[SIMPLE_PLLX].pll_base);
+
+ writel(0, flow->halt_cpu_events);
+
+ reg = CPU_CMPLX_CPURESET0 | CPU_CMPLX_DBGRESET0 | CPU_CMPLX_DERESET0;
+ writel(reg, &clkrst->crc_cpu_cmplx_clr);
+
+ reg = PLLM_OUT1_RSTN_RESET_DISABLE | PLLM_OUT1_CLKEN_ENABLE |
+ PLLM_OUT1_RATIO_VAL_8;
+ writel(reg, &clkrst->crc_pll[CLOCK_ID_MEMORY].pll_out[0]);
+
+ reg = SCLK_SWAKE_FIQ_SRC_PLLM_OUT1 | SCLK_SWAKE_IRQ_SRC_PLLM_OUT1 |
+ SCLK_SWAKE_RUN_SRC_PLLM_OUT1 | SCLK_SWAKE_IDLE_SRC_PLLM_OUT1 |
+ SCLK_SYS_STATE_IDLE;
+ writel(reg, &clkrst->crc_sclk_brst_pol);
+
+ /* avp_resume: no return after the write */
+ reg = readl(&clkrst->crc_rst_dev[TEGRA_DEV_L]);
+ reg &= ~CPU_RST;
+ writel(reg, &clkrst->crc_rst_dev[TEGRA_DEV_L]);
+
+ /* avp_halt: */
+avp_halt:
+ reg = EVENT_MODE_STOP | EVENT_JTAG;
+ writel(reg, flow->halt_cop_events);
+ goto avp_halt;
+
+do_reset:
+ /*
+ * Execution comes here if something goes wrong. The chip is reset and
+ * a cold boot is performed.
+ */
+ writel(SWR_TRIG_SYS_RST, &clkrst->crc_rst_dev[TEGRA_DEV_L]);
+ goto do_reset;
+}
+
+/*
+ * wb_end() is a dummy function, and must be directly following wb_start(),
+ * and is used to calculate the size of wb_start().
+ */
+void wb_end(void)
+{
+}
--- /dev/null
+/*
+ * (C) Copyright 2010, 2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _WARMBOOT_AVP_H_
+#define _WARMBOOT_AVP_H_
+
+#define TEGRA_DEV_L 0
+#define TEGRA_DEV_H 1
+#define TEGRA_DEV_U 2
+
+#define SIMPLE_PLLX (CLOCK_ID_XCPU - CLOCK_ID_FIRST_SIMPLE)
+#define SIMPLE_PLLE (CLOCK_ID_EPCI - CLOCK_ID_FIRST_SIMPLE)
+
+#define TIMER_USEC_CNTR (NV_PA_TMRUS_BASE + 0)
+#define TIMER_USEC_CFG (NV_PA_TMRUS_BASE + 4)
+
+#define USEC_CFG_DIVISOR_MASK 0xffff
+
+#define CONFIG_CTL_TBE (1 << 7)
+#define CONFIG_CTL_JTAG (1 << 6)
+
+#define CPU_RST (1 << 0)
+#define CLK_ENB_CPU (1 << 0)
+#define SWR_TRIG_SYS_RST (1 << 2)
+#define SWR_CSITE_RST (1 << 9)
+
+#define PWRGATE_STATUS_CPU (1 << 0)
+#define PWRGATE_TOGGLE_PARTID_CPU (0 << 0)
+#define PWRGATE_TOGGLE_START (1 << 8)
+
+#define CPU_CMPLX_CPU_BRIDGE_CLKDIV_4 (3 << 0)
+#define CPU_CMPLX_CPU0_CLK_STP_STOP (1 << 8)
+#define CPU_CMPLX_CPU0_CLK_STP_RUN (0 << 8)
+#define CPU_CMPLX_CPU1_CLK_STP_STOP (1 << 9)
+#define CPU_CMPLX_CPU1_CLK_STP_RUN (0 << 9)
+
+#define CPU_CMPLX_CPURESET0 (1 << 0)
+#define CPU_CMPLX_CPURESET1 (1 << 1)
+#define CPU_CMPLX_DERESET0 (1 << 4)
+#define CPU_CMPLX_DERESET1 (1 << 5)
+#define CPU_CMPLX_DBGRESET0 (1 << 12)
+#define CPU_CMPLX_DBGRESET1 (1 << 13)
+
+#define PLLM_OUT1_RSTN_RESET_DISABLE (1 << 0)
+#define PLLM_OUT1_CLKEN_ENABLE (1 << 1)
+#define PLLM_OUT1_RATIO_VAL_8 (8 << 8)
+
+#define SCLK_SYS_STATE_IDLE (1 << 28)
+#define SCLK_SWAKE_FIQ_SRC_PLLM_OUT1 (7 << 12)
+#define SCLK_SWAKE_IRQ_SRC_PLLM_OUT1 (7 << 8)
+#define SCLK_SWAKE_RUN_SRC_PLLM_OUT1 (7 << 4)
+#define SCLK_SWAKE_IDLE_SRC_PLLM_OUT1 (7 << 0)
+
+#define EVENT_ZERO_VAL_20 (20 << 0)
+#define EVENT_MSEC (1 << 24)
+#define EVENT_JTAG (1 << 28)
+#define EVENT_MODE_STOP (2 << 29)
+
+#define CCLK_PLLP_BURST_POLICY 0x20004444
+
+#endif
--- /dev/null
+if TEGRA30
+
+choice
+ prompt "Tegra30 board select"
+
+config TARGET_APALIS_T30
+ bool "Toradex Apalis T30 board"
+
+config TARGET_BEAVER
+ bool "NVIDIA Tegra30 Beaver evaluation board"
+
+config TARGET_CARDHU
+ bool "NVIDIA Tegra30 Cardhu evaluation board"
+
+config TARGET_COLIBRI_T30
+ bool "Toradex Colibri T30 board"
+
+config TARGET_TEC_NG
+ bool "Avionic Design TEC-NG board"
+
+endchoice
+
+config SYS_SOC
+ default "tegra30"
+
+source "board/toradex/apalis_t30/Kconfig"
+source "board/nvidia/beaver/Kconfig"
+source "board/nvidia/cardhu/Kconfig"
+source "board/toradex/colibri_t30/Kconfig"
+source "board/avionic-design/tec-ng/Kconfig"
+
+endif
--- /dev/null
+#
+# Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms and conditions of the GNU General Public License,
+# version 2, as published by the Free Software Foundation.
+#
+# This program is distributed in the hope it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+# more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+obj-$(CONFIG_SPL_BUILD) += cpu.o
+
+obj-y += clock.o funcmux.o pinmux.o
--- /dev/null
+/*
+ * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Tegra30 Clock control functions */
+
+#include <common.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/timer.h>
+#include <div64.h>
+#include <fdtdec.h>
+
+/*
+ * Clock types that we can use as a source. The Tegra30 has muxes for the
+ * peripheral clocks, and in most cases there are four options for the clock
+ * source. This gives us a clock 'type' and exploits what commonality exists
+ * in the device.
+ *
+ * Letters are obvious, except for T which means CLK_M, and S which means the
+ * clock derived from 32KHz. Beware that CLK_M (also called OSC in the
+ * datasheet) and PLL_M are different things. The former is the basic
+ * clock supplied to the SOC from an external oscillator. The latter is the
+ * memory clock PLL.
+ *
+ * See definitions in clock_id in the header file.
+ */
+enum clock_type_id {
+ CLOCK_TYPE_AXPT, /* PLL_A, PLL_X, PLL_P, CLK_M */
+ CLOCK_TYPE_MCPA, /* and so on */
+ CLOCK_TYPE_MCPT,
+ CLOCK_TYPE_PCM,
+ CLOCK_TYPE_PCMT,
+ CLOCK_TYPE_PCMT16,
+ CLOCK_TYPE_PDCT,
+ CLOCK_TYPE_ACPT,
+ CLOCK_TYPE_ASPTE,
+ CLOCK_TYPE_PMDACD2T,
+ CLOCK_TYPE_PCST,
+
+ CLOCK_TYPE_COUNT,
+ CLOCK_TYPE_NONE = -1, /* invalid clock type */
+};
+
+enum {
+ CLOCK_MAX_MUX = 8 /* number of source options for each clock */
+};
+
+/*
+ * Clock source mux for each clock type. This just converts our enum into
+ * a list of mux sources for use by the code.
+ *
+ * Note:
+ * The extra column in each clock source array is used to store the mask
+ * bits in its register for the source.
+ */
+#define CLK(x) CLOCK_ID_ ## x
+static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX+1] = {
+ { CLK(AUDIO), CLK(XCPU), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(AUDIO),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(NONE),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(DISPLAY), CLK(CGENERAL), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(AUDIO), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(AUDIO), CLK(SFROM32KHZ), CLK(PERIPH), CLK(OSC),
+ CLK(EPCI), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_29},
+ { CLK(PERIPH), CLK(MEMORY), CLK(DISPLAY), CLK(AUDIO),
+ CLK(CGENERAL), CLK(DISPLAY2), CLK(OSC), CLK(NONE),
+ MASK_BITS_31_29},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(SFROM32KHZ), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_28}
+};
+
+/*
+ * Clock type for each peripheral clock source. We put the name in each
+ * record just so it is easy to match things up
+ */
+#define TYPE(name, type) type
+static enum clock_type_id clock_periph_type[PERIPHC_COUNT] = {
+ /* 0x00 */
+ TYPE(PERIPHC_I2S1, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2S2, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_SPDIF_OUT, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_SPDIF_IN, CLOCK_TYPE_PCM),
+ TYPE(PERIPHC_PWM, CLOCK_TYPE_PCST), /* only PWM uses b29:28 */
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC2, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SBC3, CLOCK_TYPE_PCMT),
+
+ /* 0x08 */
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_I2C1, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_DVC_I2C, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_DISP1, CLOCK_TYPE_PMDACD2T),
+ TYPE(PERIPHC_DISP2, CLOCK_TYPE_PMDACD2T),
+
+ /* 0x10 */
+ TYPE(PERIPHC_CVE, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SDMMC1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SDMMC2, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_G3D, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_G2D, CLOCK_TYPE_MCPA),
+
+ /* 0x18 */
+ TYPE(PERIPHC_NDFLASH, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SDMMC4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_VFIR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_EPP, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_MPE, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_MIPI, CLOCK_TYPE_PCMT), /* MIPI base-band HSI */
+ TYPE(PERIPHC_UART1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_UART2, CLOCK_TYPE_PCMT),
+
+ /* 0x20 */
+ TYPE(PERIPHC_HOST1X, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_TVO, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_HDMI, CLOCK_TYPE_PMDACD2T),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_TVDAC, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_I2C2, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_EMC, CLOCK_TYPE_MCPT),
+
+ /* 0x28 */
+ TYPE(PERIPHC_UART3, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_I2C3, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_SDMMC3, CLOCK_TYPE_PCMT),
+
+ /* 0x30 */
+ TYPE(PERIPHC_UART4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_UART5, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_VDE, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_OWR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NOR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_CSITE, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_I2S0, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+
+ /* 0x38h */ /* Jumps to reg offset 0x3B0h - new for T30 */
+ TYPE(PERIPHC_G3D2, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_MSELECT, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_TSENSOR, CLOCK_TYPE_PCST), /* s/b PCTS */
+ TYPE(PERIPHC_I2S3, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2S4, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2C4, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_SBC5, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SBC6, CLOCK_TYPE_PCMT),
+
+ /* 0x40 */
+ TYPE(PERIPHC_AUDIO, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_DAM0, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_DAM1, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_DAM2, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_HDA2CODEC2X, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_ACTMON, CLOCK_TYPE_PCST), /* MASK 31:30 */
+ TYPE(PERIPHC_EXTPERIPH1, CLOCK_TYPE_ASPTE),
+
+ /* 0x48 */
+ TYPE(PERIPHC_EXTPERIPH2, CLOCK_TYPE_ASPTE),
+ TYPE(PERIPHC_EXTPERIPH3, CLOCK_TYPE_ASPTE),
+ TYPE(PERIPHC_NANDSPEED, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_I2CSLOW, CLOCK_TYPE_PCST), /* MASK 31:30 */
+ TYPE(PERIPHC_SYS, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SPEEDO, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+
+ /* 0x50 */
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SATAOOB, CLOCK_TYPE_PCMT), /* offset 0x420h */
+ TYPE(PERIPHC_SATA, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_HDA, CLOCK_TYPE_PCMT),
+};
+
+/*
+ * This array translates a periph_id to a periphc_internal_id
+ *
+ * Not present/matched up:
+ * uint vi_sensor; _VI_SENSOR_0, 0x1A8
+ * SPDIF - which is both 0x08 and 0x0c
+ *
+ */
+#define NONE(name) (-1)
+#define OFFSET(name, value) PERIPHC_ ## name
+static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = {
+ /* Low word: 31:0 */
+ NONE(CPU),
+ NONE(COP),
+ NONE(TRIGSYS),
+ NONE(RESERVED3),
+ NONE(RESERVED4),
+ NONE(TMR),
+ PERIPHC_UART1,
+ PERIPHC_UART2, /* and vfir 0x68 */
+
+ /* 8 */
+ NONE(GPIO),
+ PERIPHC_SDMMC2,
+ NONE(SPDIF), /* 0x08 and 0x0c, unclear which to use */
+ PERIPHC_I2S1,
+ PERIPHC_I2C1,
+ PERIPHC_NDFLASH,
+ PERIPHC_SDMMC1,
+ PERIPHC_SDMMC4,
+
+ /* 16 */
+ NONE(RESERVED16),
+ PERIPHC_PWM,
+ PERIPHC_I2S2,
+ PERIPHC_EPP,
+ PERIPHC_VI,
+ PERIPHC_G2D,
+ NONE(USBD),
+ NONE(ISP),
+
+ /* 24 */
+ PERIPHC_G3D,
+ NONE(RESERVED25),
+ PERIPHC_DISP2,
+ PERIPHC_DISP1,
+ PERIPHC_HOST1X,
+ NONE(VCP),
+ PERIPHC_I2S0,
+ NONE(CACHE2),
+
+ /* Middle word: 63:32 */
+ NONE(MEM),
+ NONE(AHBDMA),
+ NONE(APBDMA),
+ NONE(RESERVED35),
+ NONE(RESERVED36),
+ NONE(STAT_MON),
+ NONE(RESERVED38),
+ NONE(RESERVED39),
+
+ /* 40 */
+ NONE(KFUSE),
+ PERIPHC_SBC1,
+ PERIPHC_NOR,
+ NONE(RESERVED43),
+ PERIPHC_SBC2,
+ NONE(RESERVED45),
+ PERIPHC_SBC3,
+ PERIPHC_DVC_I2C,
+
+ /* 48 */
+ NONE(DSI),
+ PERIPHC_TVO, /* also CVE 0x40 */
+ PERIPHC_MIPI,
+ PERIPHC_HDMI,
+ NONE(CSI),
+ PERIPHC_TVDAC,
+ PERIPHC_I2C2,
+ PERIPHC_UART3,
+
+ /* 56 */
+ NONE(RESERVED56),
+ PERIPHC_EMC,
+ NONE(USB2),
+ NONE(USB3),
+ PERIPHC_MPE,
+ PERIPHC_VDE,
+ NONE(BSEA),
+ NONE(BSEV),
+
+ /* Upper word 95:64 */
+ PERIPHC_SPEEDO,
+ PERIPHC_UART4,
+ PERIPHC_UART5,
+ PERIPHC_I2C3,
+ PERIPHC_SBC4,
+ PERIPHC_SDMMC3,
+ NONE(PCIE),
+ PERIPHC_OWR,
+
+ /* 72 */
+ NONE(AFI),
+ PERIPHC_CSITE,
+ NONE(PCIEXCLK),
+ NONE(AVPUCQ),
+ NONE(RESERVED76),
+ NONE(RESERVED77),
+ NONE(RESERVED78),
+ NONE(DTV),
+
+ /* 80 */
+ PERIPHC_NANDSPEED,
+ PERIPHC_I2CSLOW,
+ NONE(DSIB),
+ NONE(RESERVED83),
+ NONE(IRAMA),
+ NONE(IRAMB),
+ NONE(IRAMC),
+ NONE(IRAMD),
+
+ /* 88 */
+ NONE(CRAM2),
+ NONE(RESERVED89),
+ NONE(MDOUBLER),
+ NONE(RESERVED91),
+ NONE(SUSOUT),
+ NONE(RESERVED93),
+ NONE(RESERVED94),
+ NONE(RESERVED95),
+
+ /* V word: 31:0 */
+ NONE(CPUG),
+ NONE(CPULP),
+ PERIPHC_G3D2,
+ PERIPHC_MSELECT,
+ PERIPHC_TSENSOR,
+ PERIPHC_I2S3,
+ PERIPHC_I2S4,
+ PERIPHC_I2C4,
+
+ /* 08 */
+ PERIPHC_SBC5,
+ PERIPHC_SBC6,
+ PERIPHC_AUDIO,
+ NONE(APBIF),
+ PERIPHC_DAM0,
+ PERIPHC_DAM1,
+ PERIPHC_DAM2,
+ PERIPHC_HDA2CODEC2X,
+
+ /* 16 */
+ NONE(ATOMICS),
+ NONE(RESERVED17),
+ NONE(RESERVED18),
+ NONE(RESERVED19),
+ NONE(RESERVED20),
+ NONE(RESERVED21),
+ NONE(RESERVED22),
+ PERIPHC_ACTMON,
+
+ /* 24 */
+ NONE(RESERVED24),
+ NONE(RESERVED25),
+ NONE(RESERVED26),
+ NONE(RESERVED27),
+ PERIPHC_SATA,
+ PERIPHC_HDA,
+ NONE(RESERVED30),
+ NONE(RESERVED31),
+
+ /* W word: 31:0 */
+ NONE(HDA2HDMICODEC),
+ NONE(SATACOLD),
+ NONE(RESERVED0_PCIERX0),
+ NONE(RESERVED1_PCIERX1),
+ NONE(RESERVED2_PCIERX2),
+ NONE(RESERVED3_PCIERX3),
+ NONE(RESERVED4_PCIERX4),
+ NONE(RESERVED5_PCIERX5),
+
+ /* 40 */
+ NONE(CEC),
+ NONE(RESERVED6_PCIE2),
+ NONE(RESERVED7_EMC),
+ NONE(RESERVED8_HDMI),
+ NONE(RESERVED9_SATA),
+ NONE(RESERVED10_MIPI),
+ NONE(EX_RESERVED46),
+ NONE(EX_RESERVED47),
+};
+
+/*
+ * Get the oscillator frequency, from the corresponding hardware configuration
+ * field. Note that T30 supports 3 new higher freqs, but we map back
+ * to the old T20 freqs. Support for the higher oscillators is TBD.
+ */
+enum clock_osc_freq clock_get_osc_freq(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ reg = readl(&clkrst->crc_osc_ctrl);
+ reg = (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
+
+ if (reg & 1) /* one of the newer freqs */
+ printf("Warning: OSC_FREQ is unsupported! (%d)\n", reg);
+
+ return reg >> 2; /* Map to most common (T20) freqs */
+}
+
+/* Returns a pointer to the clock source register for a peripheral */
+u32 *get_periph_source_reg(enum periph_id periph_id)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ enum periphc_internal_id internal_id;
+
+ /* Coresight is a special case */
+ if (periph_id == PERIPH_ID_CSI)
+ return &clkrst->crc_clk_src[PERIPH_ID_CSI+1];
+
+ assert(periph_id >= PERIPH_ID_FIRST && periph_id < PERIPH_ID_COUNT);
+ internal_id = periph_id_to_internal_id[periph_id];
+ assert(internal_id != -1);
+ if (internal_id >= PERIPHC_VW_FIRST) {
+ internal_id -= PERIPHC_VW_FIRST;
+ return &clkrst->crc_clk_src_vw[internal_id];
+ } else
+ return &clkrst->crc_clk_src[internal_id];
+}
+
+/**
+ * Given a peripheral ID and the required source clock, this returns which
+ * value should be programmed into the source mux for that peripheral.
+ *
+ * There is special code here to handle the one source type with 5 sources.
+ *
+ * @param periph_id peripheral to start
+ * @param source PLL id of required parent clock
+ * @param mux_bits Set to number of bits in mux register: 2 or 4
+ * @param divider_bits Set to number of divider bits (8 or 16)
+ * @return mux value (0-4, or -1 if not found)
+ */
+int get_periph_clock_source(enum periph_id periph_id,
+ enum clock_id parent, int *mux_bits, int *divider_bits)
+{
+ enum clock_type_id type;
+ enum periphc_internal_id internal_id;
+ int mux;
+
+ assert(clock_periph_id_isvalid(periph_id));
+
+ internal_id = periph_id_to_internal_id[periph_id];
+ assert(periphc_internal_id_isvalid(internal_id));
+
+ type = clock_periph_type[internal_id];
+ assert(clock_type_id_isvalid(type));
+
+ *mux_bits = clock_source[type][CLOCK_MAX_MUX];
+
+ if (type == CLOCK_TYPE_PCMT16)
+ *divider_bits = 16;
+ else
+ *divider_bits = 8;
+
+ for (mux = 0; mux < CLOCK_MAX_MUX; mux++)
+ if (clock_source[type][mux] == parent)
+ return mux;
+
+ /* if we get here, either us or the caller has made a mistake */
+ printf("Caller requested bad clock: periph=%d, parent=%d\n", periph_id,
+ parent);
+ return -1;
+}
+
+void clock_set_enable(enum periph_id periph_id, int enable)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 *clk;
+ u32 reg;
+
+ /* Enable/disable the clock to this peripheral */
+ assert(clock_periph_id_isvalid(periph_id));
+ if ((int)periph_id < (int)PERIPH_ID_VW_FIRST)
+ clk = &clkrst->crc_clk_out_enb[PERIPH_REG(periph_id)];
+ else
+ clk = &clkrst->crc_clk_out_enb_vw[PERIPH_REG(periph_id)];
+ reg = readl(clk);
+ if (enable)
+ reg |= PERIPH_MASK(periph_id);
+ else
+ reg &= ~PERIPH_MASK(periph_id);
+ writel(reg, clk);
+}
+
+void reset_set_enable(enum periph_id periph_id, int enable)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 *reset;
+ u32 reg;
+
+ /* Enable/disable reset to the peripheral */
+ assert(clock_periph_id_isvalid(periph_id));
+ if (periph_id < PERIPH_ID_VW_FIRST)
+ reset = &clkrst->crc_rst_dev[PERIPH_REG(periph_id)];
+ else
+ reset = &clkrst->crc_rst_dev_vw[PERIPH_REG(periph_id)];
+ reg = readl(reset);
+ if (enable)
+ reg |= PERIPH_MASK(periph_id);
+ else
+ reg &= ~PERIPH_MASK(periph_id);
+ writel(reg, reset);
+}
+
+#ifdef CONFIG_OF_CONTROL
+/*
+ * Convert a device tree clock ID to our peripheral ID. They are mostly
+ * the same but we are very cautious so we check that a valid clock ID is
+ * provided.
+ *
+ * @param clk_id Clock ID according to tegra30 device tree binding
+ * @return peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid
+ */
+enum periph_id clk_id_to_periph_id(int clk_id)
+{
+ if (clk_id > PERIPH_ID_COUNT)
+ return PERIPH_ID_NONE;
+
+ switch (clk_id) {
+ case PERIPH_ID_RESERVED3:
+ case PERIPH_ID_RESERVED4:
+ case PERIPH_ID_RESERVED16:
+ case PERIPH_ID_RESERVED24:
+ case PERIPH_ID_RESERVED35:
+ case PERIPH_ID_RESERVED43:
+ case PERIPH_ID_RESERVED45:
+ case PERIPH_ID_RESERVED56:
+ case PERIPH_ID_PCIEXCLK:
+ case PERIPH_ID_RESERVED76:
+ case PERIPH_ID_RESERVED77:
+ case PERIPH_ID_RESERVED78:
+ case PERIPH_ID_RESERVED83:
+ case PERIPH_ID_RESERVED89:
+ case PERIPH_ID_RESERVED91:
+ case PERIPH_ID_RESERVED93:
+ case PERIPH_ID_RESERVED94:
+ case PERIPH_ID_RESERVED95:
+ return PERIPH_ID_NONE;
+ default:
+ return clk_id;
+ }
+}
+#endif /* CONFIG_OF_CONTROL */
+
+void clock_early_init(void)
+{
+ tegra30_set_up_pllp();
+}
+
+void arch_timer_init(void)
+{
+}
+
+#define PMC_SATA_PWRGT 0x1ac
+#define PMC_SATA_PWRGT_PLLE_IDDQ_OVERRIDE (1 << 5)
+#define PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL (1 << 4)
+
+#define PLLE_SS_CNTL 0x68
+#define PLLE_SS_CNTL_SSCINCINTRV(x) (((x) & 0x3f) << 24)
+#define PLLE_SS_CNTL_SSCINC(x) (((x) & 0xff) << 16)
+#define PLLE_SS_CNTL_SSCBYP (1 << 12)
+#define PLLE_SS_CNTL_INTERP_RESET (1 << 11)
+#define PLLE_SS_CNTL_BYPASS_SS (1 << 10)
+#define PLLE_SS_CNTL_SSCMAX(x) (((x) & 0x1ff) << 0)
+
+#define PLLE_BASE 0x0e8
+#define PLLE_BASE_ENABLE_CML (1 << 31)
+#define PLLE_BASE_ENABLE (1 << 30)
+#define PLLE_BASE_PLDIV_CML(x) (((x) & 0xf) << 24)
+#define PLLE_BASE_PLDIV(x) (((x) & 0x3f) << 16)
+#define PLLE_BASE_NDIV(x) (((x) & 0xff) << 8)
+#define PLLE_BASE_MDIV(x) (((x) & 0xff) << 0)
+
+#define PLLE_MISC 0x0ec
+#define PLLE_MISC_SETUP_BASE(x) (((x) & 0xffff) << 16)
+#define PLLE_MISC_PLL_READY (1 << 15)
+#define PLLE_MISC_LOCK (1 << 11)
+#define PLLE_MISC_LOCK_ENABLE (1 << 9)
+#define PLLE_MISC_SETUP_EXT(x) (((x) & 0x3) << 2)
+
+static int tegra_plle_train(void)
+{
+ unsigned int timeout = 2000;
+ unsigned long value;
+
+ value = readl(NV_PA_PMC_BASE + PMC_SATA_PWRGT);
+ value |= PMC_SATA_PWRGT_PLLE_IDDQ_OVERRIDE;
+ writel(value, NV_PA_PMC_BASE + PMC_SATA_PWRGT);
+
+ value = readl(NV_PA_PMC_BASE + PMC_SATA_PWRGT);
+ value |= PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL;
+ writel(value, NV_PA_PMC_BASE + PMC_SATA_PWRGT);
+
+ value = readl(NV_PA_PMC_BASE + PMC_SATA_PWRGT);
+ value &= ~PMC_SATA_PWRGT_PLLE_IDDQ_OVERRIDE;
+ writel(value, NV_PA_PMC_BASE + PMC_SATA_PWRGT);
+
+ do {
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
+ if (value & PLLE_MISC_PLL_READY)
+ break;
+
+ udelay(100);
+ } while (--timeout);
+
+ if (timeout == 0) {
+ error("timeout waiting for PLLE to become ready");
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+int tegra_plle_enable(void)
+{
+ unsigned int cpcon = 11, p = 18, n = 150, m = 1, timeout = 1000;
+ u32 value;
+ int err;
+
+ /* disable PLLE clock */
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
+ value &= ~PLLE_BASE_ENABLE_CML;
+ value &= ~PLLE_BASE_ENABLE;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
+
+ /* clear lock enable and setup field */
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
+ value &= ~PLLE_MISC_LOCK_ENABLE;
+ value &= ~PLLE_MISC_SETUP_BASE(0xffff);
+ value &= ~PLLE_MISC_SETUP_EXT(0x3);
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_MISC);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
+ if ((value & PLLE_MISC_PLL_READY) == 0) {
+ err = tegra_plle_train();
+ if (err < 0) {
+ error("failed to train PLLE: %d", err);
+ return err;
+ }
+ }
+
+ /* configure PLLE */
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
+
+ value &= ~PLLE_BASE_PLDIV_CML(0x0f);
+ value |= PLLE_BASE_PLDIV_CML(cpcon);
+
+ value &= ~PLLE_BASE_PLDIV(0x3f);
+ value |= PLLE_BASE_PLDIV(p);
+
+ value &= ~PLLE_BASE_NDIV(0xff);
+ value |= PLLE_BASE_NDIV(n);
+
+ value &= ~PLLE_BASE_MDIV(0xff);
+ value |= PLLE_BASE_MDIV(m);
+
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
+ value |= PLLE_MISC_SETUP_BASE(0x7);
+ value |= PLLE_MISC_LOCK_ENABLE;
+ value |= PLLE_MISC_SETUP_EXT(0);
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_MISC);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+ value |= PLLE_SS_CNTL_SSCBYP | PLLE_SS_CNTL_INTERP_RESET |
+ PLLE_SS_CNTL_BYPASS_SS;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
+ value |= PLLE_BASE_ENABLE_CML | PLLE_BASE_ENABLE;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
+
+ do {
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
+ if (value & PLLE_MISC_LOCK)
+ break;
+
+ udelay(2);
+ } while (--timeout);
+
+ if (timeout == 0) {
+ error("timeout waiting for PLLE to lock");
+ return -ETIMEDOUT;
+ }
+
+ udelay(50);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+ value &= ~PLLE_SS_CNTL_SSCINCINTRV(0x3f);
+ value |= PLLE_SS_CNTL_SSCINCINTRV(0x18);
+
+ value &= ~PLLE_SS_CNTL_SSCINC(0xff);
+ value |= PLLE_SS_CNTL_SSCINC(0x01);
+
+ value &= ~PLLE_SS_CNTL_SSCBYP;
+ value &= ~PLLE_SS_CNTL_INTERP_RESET;
+ value &= ~PLLE_SS_CNTL_BYPASS_SS;
+
+ value &= ~PLLE_SS_CNTL_SSCMAX(0x1ff);
+ value |= PLLE_SS_CNTL_SSCMAX(0x24);
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+
+ return 0;
+}
--- /dev/null
+/*
+ * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/flow.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/pmc.h>
+#include <asm/arch-tegra/tegra_i2c.h>
+#include "../cpu.h"
+
+/* Tegra30-specific CPU init code */
+void tegra_i2c_ll_write_addr(uint addr, uint config)
+{
+ struct i2c_ctlr *reg = (struct i2c_ctlr *)TEGRA_DVC_BASE;
+
+ writel(addr, ®->cmd_addr0);
+ writel(config, ®->cnfg);
+}
+
+void tegra_i2c_ll_write_data(uint data, uint config)
+{
+ struct i2c_ctlr *reg = (struct i2c_ctlr *)TEGRA_DVC_BASE;
+
+ writel(data, ®->cmd_data1);
+ writel(config, ®->cnfg);
+}
+
+#define TPS62366A_I2C_ADDR 0xC0
+#define TPS62366A_SET1_REG 0x01
+#define TPS62366A_SET1_DATA (0x4600 | TPS62366A_SET1_REG)
+
+#define TPS62361B_I2C_ADDR 0xC0
+#define TPS62361B_SET3_REG 0x03
+#define TPS62361B_SET3_DATA (0x4600 | TPS62361B_SET3_REG)
+
+#define TPS65911_I2C_ADDR 0x5A
+#define TPS65911_VDDCTRL_OP_REG 0x28
+#define TPS65911_VDDCTRL_SR_REG 0x27
+#define TPS65911_VDDCTRL_OP_DATA (0x2400 | TPS65911_VDDCTRL_OP_REG)
+#define TPS65911_VDDCTRL_SR_DATA (0x0100 | TPS65911_VDDCTRL_SR_REG)
+#define I2C_SEND_2_BYTES 0x0A02
+
+static void enable_cpu_power_rail(void)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+
+ debug("enable_cpu_power_rail entry\n");
+ reg = readl(&pmc->pmc_cntrl);
+ reg |= CPUPWRREQ_OE;
+ writel(reg, &pmc->pmc_cntrl);
+
+ /* Set VDD_CORE to 1.200V. */
+#ifdef CONFIG_TEGRA_VDD_CORE_TPS62366A_SET1
+ tegra_i2c_ll_write_addr(TPS62366A_I2C_ADDR, 2);
+ tegra_i2c_ll_write_data(TPS62366A_SET1_DATA, I2C_SEND_2_BYTES);
+#endif
+#ifdef CONFIG_TEGRA_VDD_CORE_TPS62361B_SET3
+ tegra_i2c_ll_write_addr(TPS62361B_I2C_ADDR, 2);
+ tegra_i2c_ll_write_data(TPS62361B_SET3_DATA, I2C_SEND_2_BYTES);
+#endif
+ udelay(1000);
+
+ /*
+ * Bring up CPU VDD via the TPS65911x PMIC on the DVC I2C bus.
+ * First set VDD to 1.0125V, then enable the VDD regulator.
+ */
+ tegra_i2c_ll_write_addr(TPS65911_I2C_ADDR, 2);
+ tegra_i2c_ll_write_data(TPS65911_VDDCTRL_OP_DATA, I2C_SEND_2_BYTES);
+ udelay(1000);
+ tegra_i2c_ll_write_data(TPS65911_VDDCTRL_SR_DATA, I2C_SEND_2_BYTES);
+ udelay(10 * 1000);
+}
+
+/**
+ * The T30 requires some special clock initialization, including setting up
+ * the dvc i2c, turning on mselect and selecting the G CPU cluster
+ */
+void t30_init_clocks(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
+ u32 val;
+
+ debug("t30_init_clocks entry\n");
+ /* Set active CPU cluster to G */
+ clrbits_le32(flow->cluster_control, 1 << 0);
+
+ writel(SUPER_SCLK_ENB_MASK, &clkrst->crc_super_sclk_div);
+
+ val = (0 << CLK_SYS_RATE_HCLK_DISABLE_SHIFT) |
+ (1 << CLK_SYS_RATE_AHB_RATE_SHIFT) |
+ (0 << CLK_SYS_RATE_PCLK_DISABLE_SHIFT) |
+ (0 << CLK_SYS_RATE_APB_RATE_SHIFT);
+ writel(val, &clkrst->crc_clk_sys_rate);
+
+ /* Put i2c, mselect in reset and enable clocks */
+ reset_set_enable(PERIPH_ID_DVC_I2C, 1);
+ clock_set_enable(PERIPH_ID_DVC_I2C, 1);
+ reset_set_enable(PERIPH_ID_MSELECT, 1);
+ clock_set_enable(PERIPH_ID_MSELECT, 1);
+
+ /* Switch MSELECT clock to PLLP (00) and use a divisor of 2 */
+ clock_ll_set_source_divisor(PERIPH_ID_MSELECT, 0, 2);
+
+ /*
+ * Our high-level clock routines are not available prior to
+ * relocation. We use the low-level functions which require a
+ * hard-coded divisor. Use CLK_M with divide by (n + 1 = 17)
+ */
+ clock_ll_set_source_divisor(PERIPH_ID_DVC_I2C, 3, 16);
+
+ /*
+ * Give clocks time to stabilize, then take i2c and mselect out of
+ * reset
+ */
+ udelay(1000);
+ reset_set_enable(PERIPH_ID_DVC_I2C, 0);
+ reset_set_enable(PERIPH_ID_MSELECT, 0);
+}
+
+static void set_cpu_running(int run)
+{
+ struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
+
+ debug("set_cpu_running entry, run = %d\n", run);
+ writel(run ? FLOW_MODE_NONE : FLOW_MODE_STOP, &flow->halt_cpu_events);
+}
+
+void start_cpu(u32 reset_vector)
+{
+ debug("start_cpu entry, reset_vector = %x\n", reset_vector);
+ t30_init_clocks();
+
+ /* Enable VDD_CPU */
+ enable_cpu_power_rail();
+
+ set_cpu_running(0);
+
+ /* Hold the CPUs in reset */
+ reset_A9_cpu(1);
+
+ /* Disable the CPU clock */
+ enable_cpu_clock(0);
+
+ /* Enable CoreSight */
+ clock_enable_coresight(1);
+
+ /*
+ * Set the entry point for CPU execution from reset,
+ * if it's a non-zero value.
+ */
+ if (reset_vector)
+ writel(reset_vector, EXCEP_VECTOR_CPU_RESET_VECTOR);
+
+ /* Enable the CPU clock */
+ enable_cpu_clock(1);
+
+ /* If the CPU doesn't already have power, power it up */
+ powerup_cpu();
+
+ /* Take the CPU out of reset */
+ reset_A9_cpu(0);
+
+ set_cpu_running(1);
+}
--- /dev/null
+/*
+ * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Tegra30 high-level function multiplexing */
+
+#include <common.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
+#include <asm/arch/pinmux.h>
+
+int funcmux_select(enum periph_id id, int config)
+{
+ int bad_config = config != FUNCMUX_DEFAULT;
+
+ switch (id) {
+ case PERIPH_ID_UART1:
+ switch (config) {
+ case FUNCMUX_UART1_ULPI:
+ pinmux_set_func(PMUX_PINGRP_ULPI_DATA0_PO1,
+ PMUX_FUNC_UARTA);
+ pinmux_set_func(PMUX_PINGRP_ULPI_DATA1_PO2,
+ PMUX_FUNC_UARTA);
+ pinmux_set_func(PMUX_PINGRP_ULPI_DATA2_PO3,
+ PMUX_FUNC_UARTA);
+ pinmux_set_func(PMUX_PINGRP_ULPI_DATA3_PO4,
+ PMUX_FUNC_UARTA);
+ pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA0_PO1);
+ pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA1_PO2);
+ pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA2_PO3);
+ pinmux_tristate_disable(PMUX_PINGRP_ULPI_DATA3_PO4);
+ break;
+ }
+ break;
+
+ /* Add other periph IDs here as needed */
+
+ default:
+ debug("%s: invalid periph_id %d", __func__, id);
+ return -1;
+ }
+
+ if (bad_config) {
+ debug("%s: invalid config %d for periph_id %d", __func__,
+ config, id);
+ return -1;
+ }
+ return 0;
+}
--- /dev/null
+/*
+ * Copyright (c) 2010-2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/pinmux.h>
+
+#define PIN(pin, f0, f1, f2, f3) \
+ { \
+ .funcs = { \
+ PMUX_FUNC_##f0, \
+ PMUX_FUNC_##f1, \
+ PMUX_FUNC_##f2, \
+ PMUX_FUNC_##f3, \
+ }, \
+ }
+
+#define PIN_RESERVED {}
+
+static const struct pmux_pingrp_desc tegra30_pingroups[] = {
+ /* pin, f0, f1, f2, f3 */
+ /* Offset 0x3000 */
+ PIN(ULPI_DATA0_PO1, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA1_PO2, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA2_PO3, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA3_PO4, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA4_PO5, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA5_PO6, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA6_PO7, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA7_PO0, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_CLK_PY0, SPI1, RSVD2, UARTD, ULPI),
+ PIN(ULPI_DIR_PY1, SPI1, RSVD2, UARTD, ULPI),
+ PIN(ULPI_NXT_PY2, SPI1, RSVD2, UARTD, ULPI),
+ PIN(ULPI_STP_PY3, SPI1, RSVD2, UARTD, ULPI),
+ PIN(DAP3_FS_PP0, I2S2, RSVD2, DISPLAYA, DISPLAYB),
+ PIN(DAP3_DIN_PP1, I2S2, RSVD2, DISPLAYA, DISPLAYB),
+ PIN(DAP3_DOUT_PP2, I2S2, RSVD2, DISPLAYA, DISPLAYB),
+ PIN(DAP3_SCLK_PP3, I2S2, RSVD2, DISPLAYA, DISPLAYB),
+ PIN(PV0, RSVD1, RSVD2, RSVD3, RSVD4),
+ PIN(PV1, RSVD1, RSVD2, RSVD3, RSVD4),
+ PIN(SDMMC1_CLK_PZ0, SDMMC1, RSVD2, RSVD3, UARTA),
+ PIN(SDMMC1_CMD_PZ1, SDMMC1, RSVD2, RSVD3, UARTA),
+ PIN(SDMMC1_DAT3_PY4, SDMMC1, RSVD2, UARTE, UARTA),
+ PIN(SDMMC1_DAT2_PY5, SDMMC1, RSVD2, UARTE, UARTA),
+ PIN(SDMMC1_DAT1_PY6, SDMMC1, RSVD2, UARTE, UARTA),
+ PIN(SDMMC1_DAT0_PY7, SDMMC1, RSVD2, UARTE, UARTA),
+ PIN(PV2, OWR, RSVD2, RSVD3, RSVD4),
+ PIN(PV3, CLK_12M_OUT, RSVD2, RSVD3, RSVD4),
+ PIN(CLK2_OUT_PW5, EXTPERIPH2, RSVD2, RSVD3, RSVD4),
+ PIN(CLK2_REQ_PCC5, DAP, RSVD2, RSVD3, RSVD4),
+ PIN(LCD_PWR1_PC1, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_PWR2_PC6, DISPLAYA, DISPLAYB, SPI5, HDCP),
+ PIN(LCD_SDIN_PZ2, DISPLAYA, DISPLAYB, SPI5, RSVD4),
+ PIN(LCD_SDOUT_PN5, DISPLAYA, DISPLAYB, SPI5, HDCP),
+ PIN(LCD_WR_N_PZ3, DISPLAYA, DISPLAYB, SPI5, HDCP),
+ PIN(LCD_CS0_N_PN4, DISPLAYA, DISPLAYB, SPI5, RSVD4),
+ PIN(LCD_DC0_PN6, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_SCK_PZ4, DISPLAYA, DISPLAYB, SPI5, HDCP),
+ PIN(LCD_PWR0_PB2, DISPLAYA, DISPLAYB, SPI5, HDCP),
+ PIN(LCD_PCLK_PB3, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_DE_PJ1, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_HSYNC_PJ3, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_VSYNC_PJ4, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D0_PE0, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D1_PE1, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D2_PE2, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D3_PE3, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D4_PE4, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D5_PE5, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D6_PE6, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D7_PE7, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D8_PF0, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D9_PF1, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D10_PF2, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D11_PF3, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D12_PF4, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D13_PF5, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D14_PF6, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D15_PF7, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D16_PM0, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D17_PM1, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D18_PM2, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D19_PM3, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D20_PM4, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D21_PM5, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D22_PM6, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_D23_PM7, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_CS1_N_PW0, DISPLAYA, DISPLAYB, SPI5, RSVD4),
+ PIN(LCD_M1_PW1, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(LCD_DC1_PD2, DISPLAYA, DISPLAYB, RSVD3, RSVD4),
+ PIN(HDMI_INT_PN7, HDMI, RSVD2, RSVD3, RSVD4),
+ PIN(DDC_SCL_PV4, I2C4, RSVD2, RSVD3, RSVD4),
+ PIN(DDC_SDA_PV5, I2C4, RSVD2, RSVD3, RSVD4),
+ PIN(CRT_HSYNC_PV6, CRT, RSVD2, RSVD3, RSVD4),
+ PIN(CRT_VSYNC_PV7, CRT, RSVD2, RSVD3, RSVD4),
+ PIN(VI_D0_PT4, DDR, RSVD2, VI, RSVD4),
+ PIN(VI_D1_PD5, DDR, SDMMC2, VI, RSVD4),
+ PIN(VI_D2_PL0, DDR, SDMMC2, VI, RSVD4),
+ PIN(VI_D3_PL1, DDR, SDMMC2, VI, RSVD4),
+ PIN(VI_D4_PL2, DDR, SDMMC2, VI, RSVD4),
+ PIN(VI_D5_PL3, DDR, SDMMC2, VI, RSVD4),
+ PIN(VI_D6_PL4, DDR, SDMMC2, VI, RSVD4),
+ PIN(VI_D7_PL5, DDR, SDMMC2, VI, RSVD4),
+ PIN(VI_D8_PL6, DDR, SDMMC2, VI, RSVD4),
+ PIN(VI_D9_PL7, DDR, SDMMC2, VI, RSVD4),
+ PIN(VI_D10_PT2, DDR, RSVD2, VI, RSVD4),
+ PIN(VI_D11_PT3, DDR, RSVD2, VI, RSVD4),
+ PIN(VI_PCLK_PT0, RSVD1, SDMMC2, VI, RSVD4),
+ PIN(VI_MCLK_PT1, VI, VI_ALT1, VI_ALT2, VI_ALT3),
+ PIN(VI_VSYNC_PD6, DDR, RSVD2, VI, RSVD4),
+ PIN(VI_HSYNC_PD7, DDR, RSVD2, VI, RSVD4),
+ PIN(UART2_RXD_PC3, UARTB, SPDIF, UARTA, SPI4),
+ PIN(UART2_TXD_PC2, UARTB, SPDIF, UARTA, SPI4),
+ PIN(UART2_RTS_N_PJ6, UARTA, UARTB, GMI, SPI4),
+ PIN(UART2_CTS_N_PJ5, UARTA, UARTB, GMI, SPI4),
+ PIN(UART3_TXD_PW6, UARTC, RSVD2, GMI, RSVD4),
+ PIN(UART3_RXD_PW7, UARTC, RSVD2, GMI, RSVD4),
+ PIN(UART3_CTS_N_PA1, UARTC, RSVD2, GMI, RSVD4),
+ PIN(UART3_RTS_N_PC0, UARTC, PWM0, GMI, RSVD4),
+ PIN(PU0, OWR, UARTA, GMI, RSVD4),
+ PIN(PU1, RSVD1, UARTA, GMI, RSVD4),
+ PIN(PU2, RSVD1, UARTA, GMI, RSVD4),
+ PIN(PU3, PWM0, UARTA, GMI, RSVD4),
+ PIN(PU4, PWM1, UARTA, GMI, RSVD4),
+ PIN(PU5, PWM2, UARTA, GMI, RSVD4),
+ PIN(PU6, PWM3, UARTA, GMI, RSVD4),
+ PIN(GEN1_I2C_SDA_PC5, I2C1, RSVD2, RSVD3, RSVD4),
+ PIN(GEN1_I2C_SCL_PC4, I2C1, RSVD2, RSVD3, RSVD4),
+ PIN(DAP4_FS_PP4, I2S3, RSVD2, GMI, RSVD4),
+ PIN(DAP4_DIN_PP5, I2S3, RSVD2, GMI, RSVD4),
+ PIN(DAP4_DOUT_PP6, I2S3, RSVD2, GMI, RSVD4),
+ PIN(DAP4_SCLK_PP7, I2S3, RSVD2, GMI, RSVD4),
+ PIN(CLK3_OUT_PEE0, EXTPERIPH3, RSVD2, RSVD3, RSVD4),
+ PIN(CLK3_REQ_PEE1, DEV3, RSVD2, RSVD3, RSVD4),
+ PIN(GMI_WP_N_PC7, RSVD1, NAND, GMI, GMI_ALT),
+ PIN(GMI_IORDY_PI5, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_WAIT_PI7, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_ADV_N_PK0, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_CLK_PK1, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_CS0_N_PJ0, RSVD1, NAND, GMI, DTV),
+ PIN(GMI_CS1_N_PJ2, RSVD1, NAND, GMI, DTV),
+ PIN(GMI_CS2_N_PK3, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_CS3_N_PK4, RSVD1, NAND, GMI, GMI_ALT),
+ PIN(GMI_CS4_N_PK2, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_CS6_N_PI3, NAND, NAND_ALT, GMI, SATA),
+ PIN(GMI_CS7_N_PI6, NAND, NAND_ALT, GMI, GMI_ALT),
+ PIN(GMI_AD0_PG0, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD1_PG1, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD2_PG2, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD3_PG3, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD4_PG4, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD5_PG5, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD6_PG6, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD7_PG7, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD8_PH0, PWM0, NAND, GMI, RSVD4),
+ PIN(GMI_AD9_PH1, PWM1, NAND, GMI, RSVD4),
+ PIN(GMI_AD10_PH2, PWM2, NAND, GMI, RSVD4),
+ PIN(GMI_AD11_PH3, PWM3, NAND, GMI, RSVD4),
+ PIN(GMI_AD12_PH4, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD13_PH5, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD14_PH6, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_AD15_PH7, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_A16_PJ7, UARTD, SPI4, GMI, GMI_ALT),
+ PIN(GMI_A17_PB0, UARTD, SPI4, GMI, DTV),
+ PIN(GMI_A18_PB1, UARTD, SPI4, GMI, DTV),
+ PIN(GMI_A19_PK7, UARTD, SPI4, GMI, RSVD4),
+ PIN(GMI_WR_N_PI0, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_OE_N_PI1, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_DQS_PI2, RSVD1, NAND, GMI, RSVD4),
+ PIN(GMI_RST_N_PI4, NAND, NAND_ALT, GMI, RSVD4),
+ PIN(GEN2_I2C_SCL_PT5, I2C2, HDCP, GMI, RSVD4),
+ PIN(GEN2_I2C_SDA_PT6, I2C2, HDCP, GMI, RSVD4),
+ PIN(SDMMC4_CLK_PCC4, INVALID, NAND, GMI, SDMMC4),
+ PIN(SDMMC4_CMD_PT7, I2C3, NAND, GMI, SDMMC4),
+ PIN(SDMMC4_DAT0_PAA0, UARTE, SPI3, GMI, SDMMC4),
+ PIN(SDMMC4_DAT1_PAA1, UARTE, SPI3, GMI, SDMMC4),
+ PIN(SDMMC4_DAT2_PAA2, UARTE, SPI3, GMI, SDMMC4),
+ PIN(SDMMC4_DAT3_PAA3, UARTE, SPI3, GMI, SDMMC4),
+ PIN(SDMMC4_DAT4_PAA4, I2C3, I2S4, GMI, SDMMC4),
+ PIN(SDMMC4_DAT5_PAA5, VGP3, I2S4, GMI, SDMMC4),
+ PIN(SDMMC4_DAT6_PAA6, VGP4, I2S4, GMI, SDMMC4),
+ PIN(SDMMC4_DAT7_PAA7, VGP5, I2S4, GMI, SDMMC4),
+ PIN(SDMMC4_RST_N_PCC3, VGP6, RSVD2, RSVD3, SDMMC4),
+ PIN(CAM_MCLK_PCC0, VI, VI_ALT1, VI_ALT3, SDMMC4),
+ PIN(PCC1, I2S4, RSVD2, RSVD3, SDMMC4),
+ PIN(PBB0, I2S4, RSVD2, RSVD3, SDMMC4),
+ PIN(CAM_I2C_SCL_PBB1, VGP1, I2C3, RSVD3, SDMMC4),
+ PIN(CAM_I2C_SDA_PBB2, VGP2, I2C3, RSVD3, SDMMC4),
+ PIN(PBB3, VGP3, DISPLAYA, DISPLAYB, SDMMC4),
+ PIN(PBB4, VGP4, DISPLAYA, DISPLAYB, SDMMC4),
+ PIN(PBB5, VGP5, DISPLAYA, DISPLAYB, SDMMC4),
+ PIN(PBB6, VGP6, DISPLAYA, DISPLAYB, SDMMC4),
+ PIN(PBB7, I2S4, RSVD2, RSVD3, SDMMC4),
+ PIN(PCC2, I2S4, RSVD2, RSVD3, RSVD4),
+ PIN(JTAG_RTCK_PU7, RTCK, RSVD2, RSVD3, RSVD4),
+ PIN(PWR_I2C_SCL_PZ6, I2CPWR, RSVD2, RSVD3, RSVD4),
+ PIN(PWR_I2C_SDA_PZ7, I2CPWR, RSVD2, RSVD3, RSVD4),
+ PIN(KB_ROW0_PR0, KBC, NAND, RSVD3, RSVD4),
+ PIN(KB_ROW1_PR1, KBC, NAND, RSVD3, RSVD4),
+ PIN(KB_ROW2_PR2, KBC, NAND, RSVD3, RSVD4),
+ PIN(KB_ROW3_PR3, KBC, NAND, RSVD3, INVALID),
+ PIN(KB_ROW4_PR4, KBC, NAND, TRACE, RSVD4),
+ PIN(KB_ROW5_PR5, KBC, NAND, TRACE, OWR),
+ PIN(KB_ROW6_PR6, KBC, NAND, SDMMC2, MIO),
+ PIN(KB_ROW7_PR7, KBC, NAND, SDMMC2, MIO),
+ PIN(KB_ROW8_PS0, KBC, NAND, SDMMC2, MIO),
+ PIN(KB_ROW9_PS1, KBC, NAND, SDMMC2, MIO),
+ PIN(KB_ROW10_PS2, KBC, NAND, SDMMC2, MIO),
+ PIN(KB_ROW11_PS3, KBC, NAND, SDMMC2, MIO),
+ PIN(KB_ROW12_PS4, KBC, NAND, SDMMC2, MIO),
+ PIN(KB_ROW13_PS5, KBC, NAND, SDMMC2, MIO),
+ PIN(KB_ROW14_PS6, KBC, NAND, SDMMC2, MIO),
+ PIN(KB_ROW15_PS7, KBC, NAND, SDMMC2, MIO),
+ PIN(KB_COL0_PQ0, KBC, NAND, TRACE, TEST),
+ PIN(KB_COL1_PQ1, KBC, NAND, TRACE, TEST),
+ PIN(KB_COL2_PQ2, KBC, NAND, TRACE, RSVD4),
+ PIN(KB_COL3_PQ3, KBC, NAND, TRACE, RSVD4),
+ PIN(KB_COL4_PQ4, KBC, NAND, TRACE, RSVD4),
+ PIN(KB_COL5_PQ5, KBC, NAND, TRACE, RSVD4),
+ PIN(KB_COL6_PQ6, KBC, NAND, TRACE, MIO),
+ PIN(KB_COL7_PQ7, KBC, NAND, TRACE, MIO),
+ PIN(CLK_32K_OUT_PA0, BLINK, RSVD2, RSVD3, RSVD4),
+ PIN(SYS_CLK_REQ_PZ5, SYSCLK, RSVD2, RSVD3, RSVD4),
+ PIN(CORE_PWR_REQ, CORE_PWR_REQ, RSVD2, RSVD3, RSVD4),
+ PIN(CPU_PWR_REQ, CPU_PWR_REQ, RSVD2, RSVD3, RSVD4),
+ PIN(PWR_INT_N, PWR_INT_N, RSVD2, RSVD3, RSVD4),
+ PIN(CLK_32K_IN, CLK_32K_IN, RSVD2, RSVD3, RSVD4),
+ PIN(OWR, OWR, CEC, RSVD3, RSVD4),
+ PIN(DAP1_FS_PN0, I2S0, HDA, GMI, SDMMC2),
+ PIN(DAP1_DIN_PN1, I2S0, HDA, GMI, SDMMC2),
+ PIN(DAP1_DOUT_PN2, I2S0, HDA, GMI, SDMMC2),
+ PIN(DAP1_SCLK_PN3, I2S0, HDA, GMI, SDMMC2),
+ PIN(CLK1_REQ_PEE2, DAP, HDA, RSVD3, RSVD4),
+ PIN(CLK1_OUT_PW4, EXTPERIPH1, RSVD2, RSVD3, RSVD4),
+ PIN(SPDIF_IN_PK6, SPDIF, HDA, I2C1, SDMMC2),
+ PIN(SPDIF_OUT_PK5, SPDIF, RSVD2, I2C1, SDMMC2),
+ PIN(DAP2_FS_PA2, I2S1, HDA, RSVD3, GMI),
+ PIN(DAP2_DIN_PA4, I2S1, HDA, RSVD3, GMI),
+ PIN(DAP2_DOUT_PA5, I2S1, HDA, RSVD3, GMI),
+ PIN(DAP2_SCLK_PA3, I2S1, HDA, RSVD3, GMI),
+ PIN(SPI2_MOSI_PX0, SPI6, SPI2, SPI3, GMI),
+ PIN(SPI2_MISO_PX1, SPI6, SPI2, SPI3, GMI),
+ PIN(SPI2_CS0_N_PX3, SPI6, SPI2, SPI3, GMI),
+ PIN(SPI2_SCK_PX2, SPI6, SPI2, SPI3, GMI),
+ PIN(SPI1_MOSI_PX4, SPI2, SPI1, SPI2_ALT, GMI),
+ PIN(SPI1_SCK_PX5, SPI2, SPI1, SPI2_ALT, GMI),
+ PIN(SPI1_CS0_N_PX6, SPI2, SPI1, SPI2_ALT, GMI),
+ PIN(SPI1_MISO_PX7, SPI3, SPI1, SPI2_ALT, RSVD4),
+ PIN(SPI2_CS1_N_PW2, SPI3, SPI2, SPI2_ALT, I2C1),
+ PIN(SPI2_CS2_N_PW3, SPI3, SPI2, SPI2_ALT, I2C1),
+ PIN(SDMMC3_CLK_PA6, UARTA, PWM2, SDMMC3, SPI3),
+ PIN(SDMMC3_CMD_PA7, UARTA, PWM3, SDMMC3, SPI2),
+ PIN(SDMMC3_DAT0_PB7, RSVD1, RSVD2, SDMMC3, SPI3),
+ PIN(SDMMC3_DAT1_PB6, RSVD1, RSVD2, SDMMC3, SPI3),
+ PIN(SDMMC3_DAT2_PB5, RSVD1, PWM1, SDMMC3, SPI3),
+ PIN(SDMMC3_DAT3_PB4, RSVD1, PWM0, SDMMC3, SPI3),
+ PIN(SDMMC3_DAT4_PD1, PWM1, SPI4, SDMMC3, SPI2),
+ PIN(SDMMC3_DAT5_PD0, PWM0, SPI4, SDMMC3, SPI2),
+ PIN(SDMMC3_DAT6_PD3, SPDIF, SPI4, SDMMC3, SPI2),
+ PIN(SDMMC3_DAT7_PD4, SPDIF, SPI4, SDMMC3, SPI2),
+ PIN(PEX_L0_PRSNT_N_PDD0, PCIE, HDA, RSVD3, RSVD4),
+ PIN(PEX_L0_RST_N_PDD1, PCIE, HDA, RSVD3, RSVD4),
+ PIN(PEX_L0_CLKREQ_N_PDD2, PCIE, HDA, RSVD3, RSVD4),
+ PIN(PEX_WAKE_N_PDD3, PCIE, HDA, RSVD3, RSVD4),
+ PIN(PEX_L1_PRSNT_N_PDD4, PCIE, HDA, RSVD3, RSVD4),
+ PIN(PEX_L1_RST_N_PDD5, PCIE, HDA, RSVD3, RSVD4),
+ PIN(PEX_L1_CLKREQ_N_PDD6, PCIE, HDA, RSVD3, RSVD4),
+ PIN(PEX_L2_PRSNT_N_PDD7, PCIE, HDA, RSVD3, RSVD4),
+ PIN(PEX_L2_RST_N_PCC6, PCIE, HDA, RSVD3, RSVD4),
+ PIN(PEX_L2_CLKREQ_N_PCC7, PCIE, HDA, RSVD3, RSVD4),
+ PIN(HDMI_CEC_PEE3, CEC, RSVD2, RSVD3, RSVD4),
+};
+const struct pmux_pingrp_desc *tegra_soc_pingroups = tegra30_pingroups;
--- /dev/null
+/*
+ * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Tegra vpr routines */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch/mc.h>
+
+/* Configures VPR. Right now, all we do is turn it off. */
+void config_vpr(void)
+{
+ struct mc_ctlr *mc = (struct mc_ctlr *)NV_PA_MC_BASE;
+
+ /* Turn VPR off */
+ writel(0, &mc->mc_video_protect_size_mb);
+ writel(TEGRA_MC_VIDEO_PROTECT_REG_WRITE_ACCESS_DISABLED,
+ &mc->mc_video_protect_reg_ctrl);
+ /* read back to ensure the write went through */
+ readl(&mc->mc_video_protect_reg_ctrl);
+}
--- /dev/null
+/*
+ * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <errno.h>
+
+#include <asm/arch-tegra/xusb-padctl.h>
+
+struct tegra_xusb_phy * __weak tegra_xusb_phy_get(unsigned int type)
+{
+ return NULL;
+}
+
+int __weak tegra_xusb_phy_prepare(struct tegra_xusb_phy *phy)
+{
+ return -ENOSYS;
+}
+
+int __weak tegra_xusb_phy_enable(struct tegra_xusb_phy *phy)
+{
+ return -ENOSYS;
+}
+
+int __weak tegra_xusb_phy_disable(struct tegra_xusb_phy *phy)
+{
+ return -ENOSYS;
+}
+
+int __weak tegra_xusb_phy_unprepare(struct tegra_xusb_phy *phy)
+{
+ return -ENOSYS;
+}
+
+void __weak tegra_xusb_padctl_init(const void *fdt)
+{
+}
projects / u-boot / commitdiff