Dirk Behme <dirk.behme@gmail.com>
- omap3_beagle ARM CORTEX-A8 (OMAP3530 SoC)
+ omap3_beagle ARM ARMV7 (OMAP3530 SoC)
Eric Benard <eric@eukrea.com>
Vaibhav Hiremath <hvaibhav@ti.com>
- am3517_evm ARM CORTEX-A8 (AM35x SoC)
+ am3517_evm ARM ARMV7 (AM35x SoC)
Grazvydas Ignotas <notasas@gmail.com>
- omap3_pandora ARM CORTEX-A8 (OMAP3xx SoC)
+ omap3_pandora ARM ARMV7 (OMAP3xx SoC)
Gary Jennejohn <garyj@denx.de>
Minkyu Kang <mk7.kang@samsung.com>
- s5p_goni ARM CORTEX-A8 (S5PC110 SoC)
- SMDKC100 ARM CORTEX-A8 (S5PC100 SoC)
+ s5p_goni ARM ARMV7 (S5PC110 SoC)
+ SMDKC100 ARM ARMV7 (S5PC100 SoC)
Frederik Kriewitz <frederik@kriewitz.eu>
- devkit8000 ARM CORTEX-A8 (OMAP3530 SoC)
+ devkit8000 ARM ARMV7 (OMAP3530 SoC)
Sergey Kubushyn <ksi@koi8.net>
Nishanth Menon <nm@ti.com>
- omap3_sdp3430 ARM CORTEX-A8 (OMAP3xx SoC)
- omap3_zoom1 ARM CORTEX-A8 (OMAP3xx SoC)
+ omap3_sdp3430 ARM ARMV7 (OMAP3xx SoC)
+ omap3_zoom1 ARM ARMV7 (OMAP3xx SoC)
David Müller <d.mueller@elsoft.ch>
Manikandan Pillai <mani.pillai@ti.com>
- omap3_evm ARM CORTEX-A8 (OMAP3xx SoC)
+ omap3_evm ARM ARMV7 (OMAP3xx SoC)
Stelian Pop <stelian.pop@leadtechdesign.com>
Tom Rix <Tom.Rix@windriver.com>
- omap3_zoom2 ARM CORTEX-A8 (OMAP3xx SoC)
+ omap3_zoom2 ARM ARMV7 (OMAP3xx SoC)
John Rigby <jcrigby@gmail.com>
Steve Sakoman <sakoman@gmail.com>
- omap3_overo ARM CORTEX-A8 (OMAP3xx SoC)
+ omap3_overo ARM ARMV7 (OMAP3xx SoC)
+ omap4_panda ARM ARMV7 (OMAP4xx SoC)
+ omap4_sdp4430 ARM ARMV7 (OMAP4xx SoC)
Jens Scharsig <esw@bus-elektronik.de>
"
#########################################################################
-## ARM Cortex-A8 Systems
+## ARMV7 Systems
#########################################################################
-LIST_ARM_CORTEX_A8=" \
+LIST_ARMV7=" \
am3517_evm \
devkit8000 \
mx51evk \
omap3_sdp3430 \
omap3_zoom1 \
omap3_zoom2 \
+ omap4_panda \
+ omap4_sdp4430 \
s5p_goni \
smdkc100 \
"
${LIST_ARM9} \
${LIST_ARM10} \
${LIST_ARM11} \
- ${LIST_ARM_CORTEX_A8} \
+ ${LIST_ARMV7} \
${LIST_at91} \
${LIST_pxa} \
${LIST_ixp} \
for arg in $@
do
case "$arg" in
- arm|SA|ARM7|ARM9|ARM10|ARM11|ARM_CORTEX_A8|at91|ixp|pxa \
+ arm|SA|ARM7|ARM9|ARM10|ARM11|ARMV7|at91|ixp|pxa \
|avr32 \
|blackfin \
|coldfire \
LIBS += api/libapi.a
LIBS += post/libpost.a
+ifeq ($(SOC),omap3)
+LIBS += $(CPUDIR)/omap-common/libomap-common.a
+endif
+ifeq ($(SOC),omap4)
+LIBS += $(CPUDIR)/omap-common/libomap-common.a
+endif
+
LIBS := $(addprefix $(obj),$(LIBS))
.PHONY : $(LIBS) $(TIMESTAMP_FILE) $(VERSION_FILE)
+++ /dev/null
-#
-# (C) Copyright 2000-2003
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(CPU).a
-
-START := start.o
-COBJS := cpu.o
-
-SRCS := $(START:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-START := $(addprefix $(obj),$(START))
-
-all: $(obj).depend $(START) $(LIB)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
\ No newline at end of file
+++ /dev/null
-#
-# (C) Copyright 2002
-# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
-
-# Make ARMv5 to allow more compilers to work, even though its v7a.
-PLATFORM_CPPFLAGS += -march=armv5
-# =========================================================================
-#
-# Supply options according to compiler version
-#
-# =========================================================================
-PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,\
- $(call cc-option,-malignment-traps,))
+++ /dev/null
-/*
- * (C) Copyright 2008 Texas Insturments
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * CPU specific code
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/system.h>
-#include <asm/cache.h>
-#ifndef CONFIG_L2_OFF
-#include <asm/arch/sys_proto.h>
-#endif
-
-static void cache_flush(void);
-
-int cleanup_before_linux(void)
-{
- unsigned int i;
-
- /*
- * this function is called just before we call linux
- * it prepares the processor for linux
- *
- * we turn off caches etc ...
- */
- disable_interrupts();
-
- /* turn off I/D-cache */
- icache_disable();
- dcache_disable();
-
- /* invalidate I-cache */
- cache_flush();
-
-#ifndef CONFIG_L2_OFF
- /* turn off L2 cache */
- l2_cache_disable();
- /* invalidate L2 cache also */
- invalidate_dcache(get_device_type());
-#endif
- i = 0;
- /* mem barrier to sync up things */
- asm("mcr p15, 0, %0, c7, c10, 4": :"r"(i));
-
-#ifndef CONFIG_L2_OFF
- l2_cache_enable();
-#endif
-
- return 0;
-}
-
-static void cache_flush(void)
-{
- asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (0));
-}
+++ /dev/null
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2009 Freescale Semiconductor, Inc.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(SOC).a
-
-COBJS = soc.o clock.o iomux.o timer.o speed.o
-SOBJS = lowlevel_init.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
-
-all: $(obj).depend $(LIB)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-/*
- * (C) Copyright 2007
- * Sascha Hauer, Pengutronix
- *
- * (C) Copyright 2009 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/errno.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/crm_regs.h>
-#include <asm/arch/clock.h>
-
-enum pll_clocks {
- PLL1_CLOCK = 0,
- PLL2_CLOCK,
- PLL3_CLOCK,
- PLL_CLOCKS,
-};
-
-struct mxc_pll_reg *mxc_plls[PLL_CLOCKS] = {
- [PLL1_CLOCK] = (struct mxc_pll_reg *)PLL1_BASE_ADDR,
- [PLL2_CLOCK] = (struct mxc_pll_reg *)PLL2_BASE_ADDR,
- [PLL3_CLOCK] = (struct mxc_pll_reg *)PLL3_BASE_ADDR,
-};
-
-struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
-
-/*
- * Calculate the frequency of this pll.
- */
-static u32 decode_pll(struct mxc_pll_reg *pll, u32 infreq)
-{
- u32 mfi, mfn, mfd, pd;
-
- mfn = __raw_readl(&pll->mfn);
- mfd = __raw_readl(&pll->mfd) + 1;
- mfi = __raw_readl(&pll->op);
- pd = (mfi & 0xF) + 1;
- mfi = (mfi >> 4) & 0xF;
- mfi = (mfi >= 5) ? mfi : 5;
-
- return ((4 * (infreq / 1000) * (mfi * mfd + mfn)) / (mfd * pd)) * 1000;
-}
-
-/*
- * Get mcu main rate
- */
-u32 get_mcu_main_clk(void)
-{
- u32 reg, freq;
-
- reg = (__raw_readl(&mxc_ccm->cacrr) & MXC_CCM_CACRR_ARM_PODF_MASK) >>
- MXC_CCM_CACRR_ARM_PODF_OFFSET;
- freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ);
- return freq / (reg + 1);
-}
-
-/*
- * Get the rate of peripheral's root clock.
- */
-static u32 get_periph_clk(void)
-{
- u32 reg;
-
- reg = __raw_readl(&mxc_ccm->cbcdr);
- if (!(reg & MXC_CCM_CBCDR_PERIPH_CLK_SEL))
- return decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_MX51_HCLK_FREQ);
- reg = __raw_readl(&mxc_ccm->cbcmr);
- switch ((reg & MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK) >>
- MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET) {
- case 0:
- return decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ);
- case 1:
- return decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_MX51_HCLK_FREQ);
- default:
- return 0;
- }
- /* NOTREACHED */
-}
-
-/*
- * Get the rate of ipg clock.
- */
-static u32 get_ipg_clk(void)
-{
- u32 ahb_podf, ipg_podf;
-
- ahb_podf = __raw_readl(&mxc_ccm->cbcdr);
- ipg_podf = (ahb_podf & MXC_CCM_CBCDR_IPG_PODF_MASK) >>
- MXC_CCM_CBCDR_IPG_PODF_OFFSET;
- ahb_podf = (ahb_podf & MXC_CCM_CBCDR_AHB_PODF_MASK) >>
- MXC_CCM_CBCDR_AHB_PODF_OFFSET;
- return get_periph_clk() / ((ahb_podf + 1) * (ipg_podf + 1));
-}
-
-/*
- * Get the rate of ipg_per clock.
- */
-static u32 get_ipg_per_clk(void)
-{
- u32 pred1, pred2, podf;
-
- if (__raw_readl(&mxc_ccm->cbcmr) & MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL)
- return get_ipg_clk();
- /* Fixme: not handle what about lpm*/
- podf = __raw_readl(&mxc_ccm->cbcdr);
- pred1 = (podf & MXC_CCM_CBCDR_PERCLK_PRED1_MASK) >>
- MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET;
- pred2 = (podf & MXC_CCM_CBCDR_PERCLK_PRED2_MASK) >>
- MXC_CCM_CBCDR_PERCLK_PRED2_OFFSET;
- podf = (podf & MXC_CCM_CBCDR_PERCLK_PODF_MASK) >>
- MXC_CCM_CBCDR_PERCLK_PODF_OFFSET;
-
- return get_periph_clk() / ((pred1 + 1) * (pred2 + 1) * (podf + 1));
-}
-
-/*
- * Get the rate of uart clk.
- */
-static u32 get_uart_clk(void)
-{
- unsigned int freq, reg, pred, podf;
-
- reg = __raw_readl(&mxc_ccm->cscmr1);
- switch ((reg & MXC_CCM_CSCMR1_UART_CLK_SEL_MASK) >>
- MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET) {
- case 0x0:
- freq = decode_pll(mxc_plls[PLL1_CLOCK],
- CONFIG_MX51_HCLK_FREQ);
- break;
- case 0x1:
- freq = decode_pll(mxc_plls[PLL2_CLOCK],
- CONFIG_MX51_HCLK_FREQ);
- break;
- case 0x2:
- freq = decode_pll(mxc_plls[PLL3_CLOCK],
- CONFIG_MX51_HCLK_FREQ);
- break;
- default:
- return 66500000;
- }
-
- reg = __raw_readl(&mxc_ccm->cscdr1);
-
- pred = (reg & MXC_CCM_CSCDR1_UART_CLK_PRED_MASK) >>
- MXC_CCM_CSCDR1_UART_CLK_PRED_OFFSET;
-
- podf = (reg & MXC_CCM_CSCDR1_UART_CLK_PODF_MASK) >>
- MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET;
- freq /= (pred + 1) * (podf + 1);
-
- return freq;
-}
-
-/*
- * This function returns the low power audio clock.
- */
-u32 get_lp_apm(void)
-{
- u32 ret_val = 0;
- u32 ccsr = __raw_readl(&mxc_ccm->ccsr);
-
- if (((ccsr >> 9) & 1) == 0)
- ret_val = CONFIG_MX51_HCLK_FREQ;
- else
- ret_val = ((32768 * 1024));
-
- return ret_val;
-}
-
-/*
- * get cspi clock rate.
- */
-u32 imx_get_cspiclk(void)
-{
- u32 ret_val = 0, pdf, pre_pdf, clk_sel;
- u32 cscmr1 = __raw_readl(&mxc_ccm->cscmr1);
- u32 cscdr2 = __raw_readl(&mxc_ccm->cscdr2);
-
- pre_pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PRED_MASK) \
- >> MXC_CCM_CSCDR2_CSPI_CLK_PRED_OFFSET;
- pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PODF_MASK) \
- >> MXC_CCM_CSCDR2_CSPI_CLK_PODF_OFFSET;
- clk_sel = (cscmr1 & MXC_CCM_CSCMR1_CSPI_CLK_SEL_MASK) \
- >> MXC_CCM_CSCMR1_CSPI_CLK_SEL_OFFSET;
-
- switch (clk_sel) {
- case 0:
- ret_val = decode_pll(mxc_plls[PLL1_CLOCK],
- CONFIG_MX51_HCLK_FREQ) /
- ((pre_pdf + 1) * (pdf + 1));
- break;
- case 1:
- ret_val = decode_pll(mxc_plls[PLL2_CLOCK],
- CONFIG_MX51_HCLK_FREQ) /
- ((pre_pdf + 1) * (pdf + 1));
- break;
- case 2:
- ret_val = decode_pll(mxc_plls[PLL3_CLOCK],
- CONFIG_MX51_HCLK_FREQ) /
- ((pre_pdf + 1) * (pdf + 1));
- break;
- default:
- ret_val = get_lp_apm() / ((pre_pdf + 1) * (pdf + 1));
- break;
- }
-
- return ret_val;
-}
-
-/*
- * The API of get mxc clockes.
- */
-unsigned int mxc_get_clock(enum mxc_clock clk)
-{
- switch (clk) {
- case MXC_ARM_CLK:
- return get_mcu_main_clk();
- case MXC_AHB_CLK:
- break;
- case MXC_IPG_CLK:
- return get_ipg_clk();
- case MXC_IPG_PERCLK:
- return get_ipg_per_clk();
- case MXC_UART_CLK:
- return get_uart_clk();
- case MXC_CSPI_CLK:
- return imx_get_cspiclk();
- case MXC_FEC_CLK:
- return decode_pll(mxc_plls[PLL1_CLOCK],
- CONFIG_MX51_HCLK_FREQ);
- default:
- break;
- }
- return -1;
-}
-
-u32 imx_get_uartclk(void)
-{
- return get_uart_clk();
-}
-
-
-u32 imx_get_fecclk(void)
-{
- return mxc_get_clock(MXC_IPG_CLK);
-}
-
-/*
- * Dump some core clockes.
- */
-int do_mx51_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- u32 freq;
-
- freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ);
- printf("mx51 pll1: %dMHz\n", freq / 1000000);
- freq = decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_MX51_HCLK_FREQ);
- printf("mx51 pll2: %dMHz\n", freq / 1000000);
- freq = decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_MX51_HCLK_FREQ);
- printf("mx51 pll3: %dMHz\n", freq / 1000000);
- printf("ipg clock : %dHz\n", mxc_get_clock(MXC_IPG_CLK));
- printf("ipg per clock : %dHz\n", mxc_get_clock(MXC_IPG_PERCLK));
-
- return 0;
-}
-
-/***************************************************/
-
-U_BOOT_CMD(
- clockinfo, CONFIG_SYS_MAXARGS, 1, do_mx51_showclocks,
- "display mx51 clocks\n",
- ""
-);
+++ /dev/null
-/*
- * (C) Copyright 2009 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/mx51_pins.h>
-#include <asm/arch/iomux.h>
-#include <asm/arch/sys_proto.h>
-
-/* IOMUX register (base) addresses */
-enum iomux_reg_addr {
- IOMUXGPR0 = IOMUXC_BASE_ADDR,
- IOMUXGPR1 = IOMUXC_BASE_ADDR + 0x004,
- IOMUXSW_MUX_CTL = IOMUXC_BASE_ADDR,
- IOMUXSW_MUX_END = IOMUXC_BASE_ADDR + MUX_I_END,
- IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + PAD_I_START,
- IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR,
-};
-
-#define MUX_PIN_NUM_MAX (((MUX_I_END - MUX_I_START) >> 2) + 1)
-
-/* Get the iomux register address of this pin */
-static inline u32 get_mux_reg(iomux_pin_name_t pin)
-{
- u32 mux_reg = PIN_TO_IOMUX_MUX(pin);
-
- if (is_soc_rev(CHIP_REV_2_0) < 0) {
- /*
- * Fixup register address:
- * i.MX51 TO1 has offset with the register
- * which is define as TO2.
- */
- if ((pin == MX51_PIN_NANDF_RB5) ||
- (pin == MX51_PIN_NANDF_RB6) ||
- (pin == MX51_PIN_NANDF_RB7))
- ; /* Do nothing */
- else if (mux_reg >= 0x2FC)
- mux_reg += 8;
- else if (mux_reg >= 0x130)
- mux_reg += 0xC;
- }
- mux_reg += IOMUXSW_MUX_CTL;
- return mux_reg;
-}
-
-/* Get the pad register address of this pin */
-static inline u32 get_pad_reg(iomux_pin_name_t pin)
-{
- u32 pad_reg = PIN_TO_IOMUX_PAD(pin);
-
- if (is_soc_rev(CHIP_REV_2_0) < 0) {
- /*
- * Fixup register address:
- * i.MX51 TO1 has offset with the register
- * which is define as TO2.
- */
- if ((pin == MX51_PIN_NANDF_RB5) ||
- (pin == MX51_PIN_NANDF_RB6) ||
- (pin == MX51_PIN_NANDF_RB7))
- ; /* Do nothing */
- else if (pad_reg == 0x4D0 - PAD_I_START)
- pad_reg += 0x4C;
- else if (pad_reg == 0x860 - PAD_I_START)
- pad_reg += 0x9C;
- else if (pad_reg >= 0x804 - PAD_I_START)
- pad_reg += 0xB0;
- else if (pad_reg >= 0x7FC - PAD_I_START)
- pad_reg += 0xB4;
- else if (pad_reg >= 0x4E4 - PAD_I_START)
- pad_reg += 0xCC;
- else
- pad_reg += 8;
- }
- pad_reg += IOMUXSW_PAD_CTL;
- return pad_reg;
-}
-
-/* Get the last iomux register address */
-static inline u32 get_mux_end(void)
-{
- if (is_soc_rev(CHIP_REV_2_0) < 0)
- return IOMUXC_BASE_ADDR + (0x3F8 - 4);
- else
- return IOMUXC_BASE_ADDR + (0x3F0 - 4);
-}
-
-/*
- * This function is used to configure a pin through the IOMUX module.
- * @param pin a pin number as defined in iomux_pin_name_t
- * @param cfg an output function as defined in iomux_pin_cfg_t
- *
- * @return 0 if successful; Non-zero otherwise
- */
-static void iomux_config_mux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
-{
- u32 mux_reg = get_mux_reg(pin);
-
- if ((mux_reg > get_mux_end()) || (mux_reg < IOMUXSW_MUX_CTL))
- return ;
- if (cfg == IOMUX_CONFIG_GPIO)
- writel(PIN_TO_ALT_GPIO(pin), mux_reg);
- else
- writel(cfg, mux_reg);
-}
-
-/*
- * Request ownership for an IO pin. This function has to be the first one
- * being called before that pin is used. The caller has to check the
- * return value to make sure it returns 0.
- *
- * @param pin a name defined by iomux_pin_name_t
- * @param cfg an input function as defined in iomux_pin_cfg_t
- *
- */
-void mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
-{
- iomux_config_mux(pin, cfg);
-}
-
-/*
- * Release ownership for an IO pin
- *
- * @param pin a name defined by iomux_pin_name_t
- * @param cfg an input function as defined in iomux_pin_cfg_t
- */
-void mxc_free_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
-{
-}
-
-/*
- * This function configures the pad value for a IOMUX pin.
- *
- * @param pin a pin number as defined in iomux_pin_name_t
- * @param config the ORed value of elements defined in iomux_pad_config_t
- */
-void mxc_iomux_set_pad(iomux_pin_name_t pin, u32 config)
-{
- u32 pad_reg = get_pad_reg(pin);
- writel(config, pad_reg);
-}
-
-unsigned int mxc_iomux_get_pad(iomux_pin_name_t pin)
-{
- u32 pad_reg = get_pad_reg(pin);
- return readl(pad_reg);
-}
+++ /dev/null
-/*
- * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
- *
- * (C) Copyright 2009 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <config.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/asm-offsets.h>
-
-/*
- * L2CC Cache setup/invalidation/disable
- */
-.macro init_l2cc
- /* explicitly disable L2 cache */
- mrc 15, 0, r0, c1, c0, 1
- bic r0, r0, #0x2
- mcr 15, 0, r0, c1, c0, 1
-
- /* reconfigure L2 cache aux control reg */
- mov r0, #0xC0 /* tag RAM */
- add r0, r0, #0x4 /* data RAM */
- orr r0, r0, #(1 << 24) /* disable write allocate delay */
- orr r0, r0, #(1 << 23) /* disable write allocate combine */
- orr r0, r0, #(1 << 22) /* disable write allocate */
-
- cmp r3, #0x10 /* r3 contains the silicon rev */
-
- /* disable write combine for TO 2 and lower revs */
- orrls r0, r0, #(1 << 25)
-
- mcr 15, 1, r0, c9, c0, 2
-.endm /* init_l2cc */
-
-/* AIPS setup - Only setup MPROTx registers.
- * The PACR default values are good.*/
-.macro init_aips
- /*
- * Set all MPROTx to be non-bufferable, trusted for R/W,
- * not forced to user-mode.
- */
- ldr r0, =AIPS1_BASE_ADDR
- ldr r1, =0x77777777
- str r1, [r0, #0x0]
- str r1, [r0, #0x4]
- ldr r0, =AIPS2_BASE_ADDR
- str r1, [r0, #0x0]
- str r1, [r0, #0x4]
- /*
- * Clear the on and off peripheral modules Supervisor Protect bit
- * for SDMA to access them. Did not change the AIPS control registers
- * (offset 0x20) access type
- */
-.endm /* init_aips */
-
-/* M4IF setup */
-.macro init_m4if
- /* VPU and IPU given higher priority (0x4)
- * IPU accesses with ID=0x1 given highest priority (=0xA)
- */
- ldr r0, =M4IF_BASE_ADDR
-
- ldr r1, =0x00000203
- str r1, [r0, #0x40]
-
- ldr r1, =0x0
- str r1, [r0, #0x44]
-
- ldr r1, =0x00120125
- str r1, [r0, #0x9C]
-
- ldr r1, =0x001901A3
- str r1, [r0, #0x48]
-
-.endm /* init_m4if */
-
-.macro setup_pll pll, freq
- ldr r2, =\pll
- ldr r1, =0x00001232
- str r1, [r2, #PLL_DP_CTL] /* Set DPLL ON (set UPEN bit): BRMO=1 */
- mov r1, #0x2
- str r1, [r2, #PLL_DP_CONFIG] /* Enable auto-restart AREN bit */
-
- str r3, [r2, #PLL_DP_OP]
- str r3, [r2, #PLL_DP_HFS_OP]
-
- str r4, [r2, #PLL_DP_MFD]
- str r4, [r2, #PLL_DP_HFS_MFD]
-
- str r5, [r2, #PLL_DP_MFN]
- str r5, [r2, #PLL_DP_HFS_MFN]
-
- ldr r1, =0x00001232
- str r1, [r2, #PLL_DP_CTL]
-1: ldr r1, [r2, #PLL_DP_CTL]
- ands r1, r1, #0x1
- beq 1b
-.endm
-
-.macro init_clock
- ldr r0, =CCM_BASE_ADDR
-
- /* Gate of clocks to the peripherals first */
- ldr r1, =0x3FFFFFFF
- str r1, [r0, #CLKCTL_CCGR0]
- ldr r1, =0x0
- str r1, [r0, #CLKCTL_CCGR1]
- str r1, [r0, #CLKCTL_CCGR2]
- str r1, [r0, #CLKCTL_CCGR3]
-
- ldr r1, =0x00030000
- str r1, [r0, #CLKCTL_CCGR4]
- ldr r1, =0x00FFF030
- str r1, [r0, #CLKCTL_CCGR5]
- ldr r1, =0x00000300
- str r1, [r0, #CLKCTL_CCGR6]
-
- /* Disable IPU and HSC dividers */
- mov r1, #0x60000
- str r1, [r0, #CLKCTL_CCDR]
-
- /* Make sure to switch the DDR away from PLL 1 */
- ldr r1, =0x19239145
- str r1, [r0, #CLKCTL_CBCDR]
- /* make sure divider effective */
-1: ldr r1, [r0, #CLKCTL_CDHIPR]
- cmp r1, #0x0
- bne 1b
-
- /* Switch ARM to step clock */
- mov r1, #0x4
- str r1, [r0, #CLKCTL_CCSR]
- mov r3, #DP_OP_800
- mov r4, #DP_MFD_800
- mov r5, #DP_MFN_800
- setup_pll PLL1_BASE_ADDR
-
- mov r3, #DP_OP_665
- mov r4, #DP_MFD_665
- mov r5, #DP_MFN_665
- setup_pll PLL3_BASE_ADDR
-
- /* Switch peripheral to PLL 3 */
- ldr r0, =CCM_BASE_ADDR
- ldr r1, =0x000010C0
- orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
- str r1, [r0, #CLKCTL_CBCMR]
- ldr r1, =0x13239145
- str r1, [r0, #CLKCTL_CBCDR]
- mov r3, #DP_OP_665
- mov r4, #DP_MFD_665
- mov r5, #DP_MFN_665
- setup_pll PLL2_BASE_ADDR
-
- /* Switch peripheral to PLL2 */
- ldr r0, =CCM_BASE_ADDR
- ldr r1, =0x19239145
- str r1, [r0, #CLKCTL_CBCDR]
- ldr r1, =0x000020C0
- orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
- str r1, [r0, #CLKCTL_CBCMR]
-
- mov r3, #DP_OP_216
- mov r4, #DP_MFD_216
- mov r5, #DP_MFN_216
- setup_pll PLL3_BASE_ADDR
-
-
- /* Set the platform clock dividers */
- ldr r0, =ARM_BASE_ADDR
- ldr r1, =0x00000725
- str r1, [r0, #0x14]
-
- ldr r0, =CCM_BASE_ADDR
-
- /* Run 3.0 at Full speed, for other TO's wait till we increase VDDGP */
- ldr r1, =0x0
- ldr r3, [r1, #ROM_SI_REV]
- cmp r3, #0x10
- movls r1, #0x1
- movhi r1, #0
- str r1, [r0, #CLKCTL_CACRR]
-
- /* Switch ARM back to PLL 1 */
- mov r1, #0
- str r1, [r0, #CLKCTL_CCSR]
-
- /* setup the rest */
- /* Use lp_apm (24MHz) source for perclk */
- ldr r1, =0x000020C2
- orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
- str r1, [r0, #CLKCTL_CBCMR]
- /* ddr clock from PLL 1, all perclk dividers are 1 since using 24MHz */
- ldr r1, =CONFIG_SYS_CLKTL_CBCDR
- str r1, [r0, #CLKCTL_CBCDR]
-
- /* Restore the default values in the Gate registers */
- ldr r1, =0xFFFFFFFF
- str r1, [r0, #CLKCTL_CCGR0]
- str r1, [r0, #CLKCTL_CCGR1]
- str r1, [r0, #CLKCTL_CCGR2]
- str r1, [r0, #CLKCTL_CCGR3]
- str r1, [r0, #CLKCTL_CCGR4]
- str r1, [r0, #CLKCTL_CCGR5]
- str r1, [r0, #CLKCTL_CCGR6]
-
- /* Use PLL 2 for UART's, get 66.5MHz from it */
- ldr r1, =0xA5A2A020
- str r1, [r0, #CLKCTL_CSCMR1]
- ldr r1, =0x00C30321
- str r1, [r0, #CLKCTL_CSCDR1]
-
- /* make sure divider effective */
-1: ldr r1, [r0, #CLKCTL_CDHIPR]
- cmp r1, #0x0
- bne 1b
-
- mov r1, #0x0
- str r1, [r0, #CLKCTL_CCDR]
-
- /* for cko - for ARM div by 8 */
- mov r1, #0x000A0000
- add r1, r1, #0x00000F0
- str r1, [r0, #CLKCTL_CCOSR]
-.endm
-
-.macro setup_wdog
- ldr r0, =WDOG1_BASE_ADDR
- mov r1, #0x30
- strh r1, [r0]
-.endm
-
-.section ".text.init", "x"
-
-.globl lowlevel_init
-lowlevel_init:
- ldr r0, =GPIO1_BASE_ADDR
- ldr r1, [r0, #0x0]
- orr r1, r1, #(1 << 23)
- str r1, [r0, #0x0]
- ldr r1, [r0, #0x4]
- orr r1, r1, #(1 << 23)
- str r1, [r0, #0x4]
-
-#ifdef ENABLE_IMPRECISE_ABORT
- mrs r1, spsr /* save old spsr */
- mrs r0, cpsr /* read out the cpsr */
- bic r0, r0, #0x100 /* clear the A bit */
- msr spsr, r0 /* update spsr */
- add lr, pc, #0x8 /* update lr */
- movs pc, lr /* update cpsr */
- nop
- nop
- nop
- nop
- msr spsr, r1 /* restore old spsr */
-#endif
-
- init_l2cc
-
- init_aips
-
- init_m4if
-
- init_clock
-
- /* r12 saved upper lr*/
- mov pc,lr
-
-/* Board level setting value */
-DDR_PERCHARGE_CMD: .word 0x04008008
-DDR_REFRESH_CMD: .word 0x00008010
-DDR_LMR1_W: .word 0x00338018
-DDR_LMR_CMD: .word 0xB2220000
-DDR_TIMING_W: .word 0xB02567A9
-DDR_MISC_W: .word 0x000A0104
+++ /dev/null
-/*
- * (C) Copyright 2007
- * Sascha Hauer, Pengutronix
- *
- * (C) Copyright 2009 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/clock.h>
-#include <asm/errno.h>
-#include <asm/io.h>
-
-#ifdef CONFIG_FSL_ESDHC
-#include <fsl_esdhc.h>
-#endif
-
-u32 get_cpu_rev(void)
-{
- int reg;
- int system_rev;
-
- reg = __raw_readl(ROM_SI_REV);
- switch (reg) {
- case 0x02:
- system_rev = 0x51000 | CHIP_REV_1_1;
- break;
- case 0x10:
- if ((__raw_readl(GPIO1_BASE_ADDR + 0x0) & (0x1 << 22)) == 0)
- system_rev = 0x51000 | CHIP_REV_2_5;
- else
- system_rev = 0x51000 | CHIP_REV_2_0;
- break;
- case 0x20:
- system_rev = 0x51000 | CHIP_REV_3_0;
- break;
- return system_rev;
- default:
- system_rev = 0x51000 | CHIP_REV_1_0;
- break;
- }
- return system_rev;
-}
-
-
-#if defined(CONFIG_DISPLAY_CPUINFO)
-int print_cpuinfo(void)
-{
- u32 cpurev;
-
- cpurev = get_cpu_rev();
- printf("CPU: Freescale i.MX51 family rev%d.%d at %d MHz\n",
- (cpurev & 0xF0) >> 4,
- (cpurev & 0x0F) >> 4,
- mxc_get_clock(MXC_ARM_CLK) / 1000000);
- return 0;
-}
-#endif
-
-/*
- * Initializes on-chip ethernet controllers.
- * to override, implement board_eth_init()
- */
-#if defined(CONFIG_FEC_MXC)
-extern int fecmxc_initialize(bd_t *bis);
-#endif
-
-int cpu_eth_init(bd_t *bis)
-{
- int rc = -ENODEV;
-
-#if defined(CONFIG_FEC_MXC)
- rc = fecmxc_initialize(bis);
-#endif
-
- return rc;
-}
-
-/*
- * Initializes on-chip MMC controllers.
- * to override, implement board_mmc_init()
- */
-int cpu_mmc_init(bd_t *bis)
-{
-#ifdef CONFIG_FSL_ESDHC
- return fsl_esdhc_mmc_init(bis);
-#else
- return 0;
-#endif
-}
-
-
-void reset_cpu(ulong addr)
-{
- __raw_writew(4, WDOG1_BASE_ADDR);
-}
+++ /dev/null
-/*
- * (C) Copyright 2000-2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
- * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/clock.h>
-
-int get_clocks(void)
-{
- DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_FSL_ESDHC
- gd->sdhc_clk = mxc_get_clock(MXC_IPG_PERCLK);
-#endif
- return 0;
-}
+++ /dev/null
-/*
- * (C) Copyright 2007
- * Sascha Hauer, Pengutronix
- *
- * (C) Copyright 2009 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-
-/* General purpose timers registers */
-struct mxc_gpt {
- unsigned int control;
- unsigned int prescaler;
- unsigned int status;
- unsigned int nouse[6];
- unsigned int counter;
-};
-
-static struct mxc_gpt *cur_gpt = (struct mxc_gpt *)GPT1_BASE_ADDR;
-
-/* General purpose timers bitfields */
-#define GPTCR_SWR (1<<15) /* Software reset */
-#define GPTCR_FRR (1<<9) /* Freerun / restart */
-#define GPTCR_CLKSOURCE_32 (4<<6) /* Clock source */
-#define GPTCR_TEN (1) /* Timer enable */
-
-static ulong timestamp;
-static ulong lastinc;
-
-int timer_init(void)
-{
- int i;
-
- /* setup GP Timer 1 */
- __raw_writel(GPTCR_SWR, &cur_gpt->control);
-
- /* We have no udelay by now */
- for (i = 0; i < 100; i++)
- __raw_writel(0, &cur_gpt->control);
-
- __raw_writel(0, &cur_gpt->prescaler); /* 32Khz */
-
- /* Freerun Mode, PERCLK1 input */
- i = __raw_readl(&cur_gpt->control);
- __raw_writel(i | GPTCR_CLKSOURCE_32 | GPTCR_TEN, &cur_gpt->control);
- reset_timer_masked();
- return 0;
-}
-
-void reset_timer(void)
-{
- reset_timer_masked();
-}
-
-void reset_timer_masked(void)
-{
- ulong val = __raw_readl(&cur_gpt->counter);
- lastinc = val / (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ);
- timestamp = 0;
-}
-
-ulong get_timer_masked(void)
-{
- ulong val = __raw_readl(&cur_gpt->counter);
- val /= (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ);
- if (val >= lastinc)
- timestamp += (val - lastinc);
- else
- timestamp += ((0xFFFFFFFF / (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ))
- - lastinc) + val;
- lastinc = val;
- return val;
-}
-
-ulong get_timer(ulong base)
-{
- return get_timer_masked() - base;
-}
-
-void set_timer(ulong t)
-{
- timestamp = t;
-}
-
-/* delay x useconds AND preserve advance timestamp value */
-void __udelay(unsigned long usec)
-{
- unsigned long now, start, tmo;
- tmo = usec * (CONFIG_MX51_CLK32 / 1000) / 1000;
-
- if (!tmo)
- tmo = 1;
-
- now = start = readl(&cur_gpt->counter);
-
- while ((now - start) < tmo)
- now = readl(&cur_gpt->counter);
-
-}
+++ /dev/null
-/*
- * January 2004 - Changed to support H4 device
- * Copyright (c) 2004 Texas Instruments
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
- *
- * (C) Copyright 2009 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
-OUTPUT_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
-
- . = ALIGN(4);
- .text :
- {
- arch/arm/cpu/arm_cortexa8/start.o
- *(.text)
- }
-
- . = ALIGN(4);
- .rodata : { *(.rodata) }
-
- . = ALIGN(4);
- .data : { *(.data) }
-
- . = ALIGN(4);
- .got : { *(.got) }
-
- . = .;
- __u_boot_cmd_start = .;
- .u_boot_cmd : { *(.u_boot_cmd) }
- __u_boot_cmd_end = .;
-
- . = ALIGN(4);
- __bss_start = .;
- .bss : { *(.bss) }
- _end = .;
-}
+++ /dev/null
-#
-# (C) Copyright 2000-2003
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(SOC).a
-
-SOBJS := lowlevel_init.o
-SOBJS += cache.o
-SOBJS += reset.o
-
-COBJS += board.o
-COBJS += clock.o
-COBJS += gpio.o
-COBJS += mem.o
-COBJS += syslib.o
-COBJS += sys_info.o
-COBJS += timer.o
-
-COBJS-$(CONFIG_EMIF4) += emif4.o
-COBJS-$(CONFIG_SDRC) += sdrc.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS) $(COBJS-y) $(SOBJS))
-
-all: $(obj).depend $(LIB)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-/*
- *
- * Common board functions for OMAP3 based boards.
- *
- * (C) Copyright 2004-2008
- * Texas Instruments, <www.ti.com>
- *
- * Author :
- * Sunil Kumar <sunilsaini05@gmail.com>
- * Shashi Ranjan <shashiranjanmca05@gmail.com>
- *
- * Derived from Beagle Board and 3430 SDP code by
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/arch/mem.h>
-#include <asm/cache.h>
-
-extern omap3_sysinfo sysinfo;
-
-/******************************************************************************
- * Routine: delay
- * Description: spinning delay to use before udelay works
- *****************************************************************************/
-static inline void delay(unsigned long loops)
-{
- __asm__ volatile ("1:\n" "subs %0, %1, #1\n"
- "bne 1b":"=r" (loops):"0"(loops));
-}
-
-/******************************************************************************
- * Routine: secure_unlock
- * Description: Setup security registers for access
- * (GP Device only)
- *****************************************************************************/
-void secure_unlock_mem(void)
-{
- struct pm *pm_rt_ape_base = (struct pm *)PM_RT_APE_BASE_ADDR_ARM;
- struct pm *pm_gpmc_base = (struct pm *)PM_GPMC_BASE_ADDR_ARM;
- struct pm *pm_ocm_ram_base = (struct pm *)PM_OCM_RAM_BASE_ADDR_ARM;
- struct pm *pm_iva2_base = (struct pm *)PM_IVA2_BASE_ADDR_ARM;
- struct sms *sms_base = (struct sms *)OMAP34XX_SMS_BASE;
-
- /* Protection Module Register Target APE (PM_RT) */
- writel(UNLOCK_1, &pm_rt_ape_base->req_info_permission_1);
- writel(UNLOCK_1, &pm_rt_ape_base->read_permission_0);
- writel(UNLOCK_1, &pm_rt_ape_base->wirte_permission_0);
- writel(UNLOCK_2, &pm_rt_ape_base->addr_match_1);
-
- writel(UNLOCK_3, &pm_gpmc_base->req_info_permission_0);
- writel(UNLOCK_3, &pm_gpmc_base->read_permission_0);
- writel(UNLOCK_3, &pm_gpmc_base->wirte_permission_0);
-
- writel(UNLOCK_3, &pm_ocm_ram_base->req_info_permission_0);
- writel(UNLOCK_3, &pm_ocm_ram_base->read_permission_0);
- writel(UNLOCK_3, &pm_ocm_ram_base->wirte_permission_0);
- writel(UNLOCK_2, &pm_ocm_ram_base->addr_match_2);
-
- /* IVA Changes */
- writel(UNLOCK_3, &pm_iva2_base->req_info_permission_0);
- writel(UNLOCK_3, &pm_iva2_base->read_permission_0);
- writel(UNLOCK_3, &pm_iva2_base->wirte_permission_0);
-
- /* SDRC region 0 public */
- writel(UNLOCK_1, &sms_base->rg_att0);
-}
-
-/******************************************************************************
- * Routine: secureworld_exit()
- * Description: If chip is EMU and boot type is external
- * configure secure registers and exit secure world
- * general use.
- *****************************************************************************/
-void secureworld_exit()
-{
- unsigned long i;
-
- /* configrue non-secure access control register */
- __asm__ __volatile__("mrc p15, 0, %0, c1, c1, 2":"=r"(i));
- /* enabling co-processor CP10 and CP11 accesses in NS world */
- __asm__ __volatile__("orr %0, %0, #0xC00":"=r"(i));
- /*
- * allow allocation of locked TLBs and L2 lines in NS world
- * allow use of PLE registers in NS world also
- */
- __asm__ __volatile__("orr %0, %0, #0x70000":"=r"(i));
- __asm__ __volatile__("mcr p15, 0, %0, c1, c1, 2":"=r"(i));
-
- /* Enable ASA in ACR register */
- __asm__ __volatile__("mrc p15, 0, %0, c1, c0, 1":"=r"(i));
- __asm__ __volatile__("orr %0, %0, #0x10":"=r"(i));
- __asm__ __volatile__("mcr p15, 0, %0, c1, c0, 1":"=r"(i));
-
- /* Exiting secure world */
- __asm__ __volatile__("mrc p15, 0, %0, c1, c1, 0":"=r"(i));
- __asm__ __volatile__("orr %0, %0, #0x31":"=r"(i));
- __asm__ __volatile__("mcr p15, 0, %0, c1, c1, 0":"=r"(i));
-}
-
-/******************************************************************************
- * Routine: setup_auxcr()
- * Description: Write to AuxCR desired value using SMI.
- * general use.
- *****************************************************************************/
-void setup_auxcr()
-{
- unsigned long i;
- volatile unsigned int j;
- /* Save r0, r12 and restore them after usage */
- __asm__ __volatile__("mov %0, r12":"=r"(j));
- __asm__ __volatile__("mov %0, r0":"=r"(i));
-
- /*
- * GP Device ROM code API usage here
- * r12 = AUXCR Write function and r0 value
- */
- __asm__ __volatile__("mov r12, #0x3");
- __asm__ __volatile__("mrc p15, 0, r0, c1, c0, 1");
- /* Enabling ASA */
- __asm__ __volatile__("orr r0, r0, #0x10");
- /* Enable L1NEON */
- __asm__ __volatile__("orr r0, r0, #1 << 5");
- /* SMI instruction to call ROM Code API */
- __asm__ __volatile__(".word 0xE1600070");
- /* Set PLD_FWD bit in L2AUXCR (Cortex-A8 erratum 725233 workaround) */
- __asm__ __volatile__("mov r12, #0x2");
- __asm__ __volatile__("mrc p15, 1, r0, c9, c0, 2");
- __asm__ __volatile__("orr r0, r0, #1 << 27");
- /* SMI instruction to call ROM Code API */
- __asm__ __volatile__(".word 0xE1600070");
- __asm__ __volatile__("mov r0, %0":"=r"(i));
- __asm__ __volatile__("mov r12, %0":"=r"(j));
-}
-
-/******************************************************************************
- * Routine: try_unlock_sram()
- * Description: If chip is GP/EMU(special) type, unlock the SRAM for
- * general use.
- *****************************************************************************/
-void try_unlock_memory()
-{
- int mode;
- int in_sdram = is_running_in_sdram();
-
- /*
- * if GP device unlock device SRAM for general use
- * secure code breaks for Secure/Emulation device - HS/E/T
- */
- mode = get_device_type();
- if (mode == GP_DEVICE)
- secure_unlock_mem();
-
- /*
- * If device is EMU and boot is XIP external booting
- * Unlock firewalls and disable L2 and put chip
- * out of secure world
- *
- * Assuming memories are unlocked by the demon who put us in SDRAM
- */
- if ((mode <= EMU_DEVICE) && (get_boot_type() == 0x1F)
- && (!in_sdram)) {
- secure_unlock_mem();
- secureworld_exit();
- }
-
- return;
-}
-
-/******************************************************************************
- * Routine: s_init
- * Description: Does early system init of muxing and clocks.
- * - Called path is with SRAM stack.
- *****************************************************************************/
-void s_init(void)
-{
- int in_sdram = is_running_in_sdram();
-
- watchdog_init();
-
- try_unlock_memory();
-
- /*
- * Right now flushing at low MPU speed.
- * Need to move after clock init
- */
- invalidate_dcache(get_device_type());
-#ifndef CONFIG_ICACHE_OFF
- icache_enable();
-#endif
-
-#ifdef CONFIG_L2_OFF
- l2_cache_disable();
-#else
- l2_cache_enable();
-#endif
- /*
- * Writing to AuxCR in U-boot using SMI for GP DEV
- * Currently SMI in Kernel on ES2 devices seems to have an issue
- * Once that is resolved, we can postpone this config to kernel
- */
- if (get_device_type() == GP_DEVICE)
- setup_auxcr();
-
- set_muxconf_regs();
- delay(100);
-
- prcm_init();
-
- per_clocks_enable();
-
- if (!in_sdram)
- mem_init();
-}
-
-/******************************************************************************
- * Routine: wait_for_command_complete
- * Description: Wait for posting to finish on watchdog
- *****************************************************************************/
-void wait_for_command_complete(struct watchdog *wd_base)
-{
- int pending = 1;
- do {
- pending = readl(&wd_base->wwps);
- } while (pending);
-}
-
-/******************************************************************************
- * Routine: watchdog_init
- * Description: Shut down watch dogs
- *****************************************************************************/
-void watchdog_init(void)
-{
- struct watchdog *wd2_base = (struct watchdog *)WD2_BASE;
- struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
-
- /*
- * There are 3 watch dogs WD1=Secure, WD2=MPU, WD3=IVA. WD1 is
- * either taken care of by ROM (HS/EMU) or not accessible (GP).
- * We need to take care of WD2-MPU or take a PRCM reset. WD3
- * should not be running and does not generate a PRCM reset.
- */
-
- sr32(&prcm_base->fclken_wkup, 5, 1, 1);
- sr32(&prcm_base->iclken_wkup, 5, 1, 1);
- wait_on_value(ST_WDT2, 0x20, &prcm_base->idlest_wkup, 5);
-
- writel(WD_UNLOCK1, &wd2_base->wspr);
- wait_for_command_complete(wd2_base);
- writel(WD_UNLOCK2, &wd2_base->wspr);
-}
-
-/******************************************************************************
- * Dummy function to handle errors for EABI incompatibility
- *****************************************************************************/
-void abort(void)
-{
-}
-
-#ifdef CONFIG_NAND_OMAP_GPMC
-/******************************************************************************
- * OMAP3 specific command to switch between NAND HW and SW ecc
- *****************************************************************************/
-static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- if (argc != 2)
- goto usage;
- if (strncmp(argv[1], "hw", 2) == 0)
- omap_nand_switch_ecc(1);
- else if (strncmp(argv[1], "sw", 2) == 0)
- omap_nand_switch_ecc(0);
- else
- goto usage;
-
- return 0;
-
-usage:
- printf ("Usage: nandecc %s\n", cmdtp->usage);
- return 1;
-}
-
-U_BOOT_CMD(
- nandecc, 2, 1, do_switch_ecc,
- "switch OMAP3 NAND ECC calculation algorithm",
- "[hw/sw] - Switch between NAND hardware (hw) or software (sw) ecc algorithm"
-);
-
-#endif /* CONFIG_NAND_OMAP_GPMC */
-
-#ifdef CONFIG_DISPLAY_BOARDINFO
-/**
- * Print board information
- */
-int checkboard (void)
-{
- char *mem_s ;
-
- if (is_mem_sdr())
- mem_s = "mSDR";
- else
- mem_s = "LPDDR";
-
- printf("%s + %s/%s\n", sysinfo.board_string, mem_s,
- sysinfo.nand_string);
-
- return 0;
-}
-#endif /* CONFIG_DISPLAY_BOARDINFO */
+++ /dev/null
-/*
- * Copyright (c) 2009 Wind River Systems, Inc.
- * Tom Rix <Tom.Rix@windriver.com>
- *
- * This file is based on and replaces the existing cache.c file
- * The copyrights for the cache.c file are:
- *
- * (C) Copyright 2008 Texas Insturments
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <asm/arch/omap3.h>
-
-/*
- * omap3 cache code
- */
-
-.align 5
-.global invalidate_dcache
-.global l2_cache_enable
-.global l2_cache_disable
-
-/*
- * invalidate_dcache()
- *
- * Invalidate the whole D-cache.
- *
- * Corrupted registers: r0-r5, r7, r9-r11
- *
- * - mm - mm_struct describing address space
- */
-invalidate_dcache:
- stmfd r13!, {r0 - r5, r7, r9 - r12, r14}
-
- mov r7, r0 @ take a backup of device type
- cmp r0, #0x3 @ check if the device type is
- @ GP
- moveq r12, #0x1 @ set up to invalide L2
-smi: .word 0x01600070 @ Call SMI monitor (smieq)
- cmp r7, #0x3 @ compare again in case its
- @ lost
- beq finished_inval @ if GP device, inval done
- @ above
-
- mrc p15, 1, r0, c0, c0, 1 @ read clidr
- ands r3, r0, #0x7000000 @ extract loc from clidr
- mov r3, r3, lsr #23 @ left align loc bit field
- beq finished_inval @ if loc is 0, then no need to
- @ clean
- mov r10, #0 @ start clean at cache level 0
-inval_loop1:
- add r2, r10, r10, lsr #1 @ work out 3x current cache
- @ level
- mov r1, r0, lsr r2 @ extract cache type bits from
- @ clidr
- and r1, r1, #7 @ mask of the bits for current
- @ cache only
- cmp r1, #2 @ see what cache we have at
- @ this level
- blt skip_inval @ skip if no cache, or just
- @ i-cache
- mcr p15, 2, r10, c0, c0, 0 @ select current cache level
- @ in cssr
- mov r2, #0 @ operand for mcr SBZ
- mcr p15, 0, r2, c7, c5, 4 @ flush prefetch buffer to
- @ sych the new cssr&csidr,
- @ with armv7 this is 'isb',
- @ but we compile with armv5
- mrc p15, 1, r1, c0, c0, 0 @ read the new csidr
- and r2, r1, #7 @ extract the length of the
- @ cache lines
- add r2, r2, #4 @ add 4 (line length offset)
- ldr r4, =0x3ff
- ands r4, r4, r1, lsr #3 @ find maximum number on the
- @ way size
- clz r5, r4 @ find bit position of way
- @ size increment
- ldr r7, =0x7fff
- ands r7, r7, r1, lsr #13 @ extract max number of the
- @ index size
-inval_loop2:
- mov r9, r4 @ create working copy of max
- @ way size
-inval_loop3:
- orr r11, r10, r9, lsl r5 @ factor way and cache number
- @ into r11
- orr r11, r11, r7, lsl r2 @ factor index number into r11
- mcr p15, 0, r11, c7, c6, 2 @ invalidate by set/way
- subs r9, r9, #1 @ decrement the way
- bge inval_loop3
- subs r7, r7, #1 @ decrement the index
- bge inval_loop2
-skip_inval:
- add r10, r10, #2 @ increment cache number
- cmp r3, r10
- bgt inval_loop1
-finished_inval:
- mov r10, #0 @ swith back to cache level 0
- mcr p15, 2, r10, c0, c0, 0 @ select current cache level
- @ in cssr
- mcr p15, 0, r10, c7, c5, 4 @ flush prefetch buffer,
- @ with armv7 this is 'isb',
- @ but we compile with armv5
-
- ldmfd r13!, {r0 - r5, r7, r9 - r12, pc}
-
-
-l2_cache_enable:
- stmfd r13!, {r0, r1, r2, lr}
- @ ES2 onwards we can disable/enable L2 ourselves
- bl get_cpu_rev
- cmp r0, #CPU_3XX_ES20
- blt l2_cache_disable_EARLIER_THAN_ES2
- mrc 15, 0, r3, cr1, cr0, 1
- orr r3, r3, #2
- mcr 15, 0, r3, cr1, cr0, 1
- b l2_cache_enable_END
-l2_cache_enable_EARLIER_THAN_ES2:
- @ Save r0, r12 and restore them after usage
- mov r3, ip
- str r3, [sp, #4]
- mov r3, r0
- @
- @ GP Device ROM code API usage here
- @ r12 = AUXCR Write function and r0 value
- @
- mov ip, #3
- mrc 15, 0, r0, cr1, cr0, 1
- orr r0, r0, #2
- @ SMI instruction to call ROM Code API
- .word 0xe1600070
- mov r0, r3
- mov ip, r3
- str r3, [sp, #4]
-l2_cache_enable_END:
- ldmfd r13!, {r1, r2, r3, pc}
-
-
-l2_cache_disable:
- stmfd r13!, {r0, r1, r2, lr}
- @ ES2 onwards we can disable/enable L2 ourselves
- bl get_cpu_rev
- cmp r0, #CPU_3XX_ES20
- blt l2_cache_disable_EARLIER_THAN_ES2
- mrc 15, 0, r3, cr1, cr0, 1
- bic r3, r3, #2
- mcr 15, 0, r3, cr1, cr0, 1
- b l2_cache_disable_END
-l2_cache_disable_EARLIER_THAN_ES2:
- @ Save r0, r12 and restore them after usage
- mov r3, ip
- str r3, [sp, #4]
- mov r3, r0
- @
- @ GP Device ROM code API usage here
- @ r12 = AUXCR Write function and r0 value
- @
- mov ip, #3
- mrc 15, 0, r0, cr1, cr0, 1
- bic r0, r0, #2
- @ SMI instruction to call ROM Code API
- .word 0xe1600070
- mov r0, r3
- mov ip, r3
- str r3, [sp, #4]
-l2_cache_disable_END:
- ldmfd r13!, {r1, r2, r3, pc}
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Texas Instruments, <www.ti.com>
- *
- * Author :
- * Manikandan Pillai <mani.pillai@ti.com>
- *
- * Derived from Beagle Board and OMAP3 SDP code by
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clocks.h>
-#include <asm/arch/clocks_omap3.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/sys_proto.h>
-#include <environment.h>
-#include <command.h>
-
-/******************************************************************************
- * get_sys_clk_speed() - determine reference oscillator speed
- * based on known 32kHz clock and gptimer.
- *****************************************************************************/
-u32 get_osc_clk_speed(void)
-{
- u32 start, cstart, cend, cdiff, cdiv, val;
- struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
- struct prm *prm_base = (struct prm *)PRM_BASE;
- struct gptimer *gpt1_base = (struct gptimer *)OMAP34XX_GPT1;
- struct s32ktimer *s32k_base = (struct s32ktimer *)SYNC_32KTIMER_BASE;
-
- val = readl(&prm_base->clksrc_ctrl);
-
- if (val & SYSCLKDIV_2)
- cdiv = 2;
- else if (val & SYSCLKDIV_1)
- cdiv = 1;
- else
- /*
- * Should never reach here! (Assume divider as 1)
- */
- cdiv = 1;
-
- /* enable timer2 */
- val = readl(&prcm_base->clksel_wkup) | CLKSEL_GPT1;
-
- /* select sys_clk for GPT1 */
- writel(val, &prcm_base->clksel_wkup);
-
- /* Enable I and F Clocks for GPT1 */
- val = readl(&prcm_base->iclken_wkup) | EN_GPT1 | EN_32KSYNC;
- writel(val, &prcm_base->iclken_wkup);
-
- val = readl(&prcm_base->fclken_wkup) | EN_GPT1;
- writel(val, &prcm_base->fclken_wkup);
-
- writel(0, &gpt1_base->tldr); /* start counting at 0 */
- writel(GPT_EN, &gpt1_base->tclr); /* enable clock */
-
- /* enable 32kHz source, determine sys_clk via gauging */
-
- /* start time in 20 cycles */
- start = 20 + readl(&s32k_base->s32k_cr);
-
- /* dead loop till start time */
- while (readl(&s32k_base->s32k_cr) < start);
-
- /* get start sys_clk count */
- cstart = readl(&gpt1_base->tcrr);
-
- /* wait for 40 cycles */
- while (readl(&s32k_base->s32k_cr) < (start + 20)) ;
- cend = readl(&gpt1_base->tcrr); /* get end sys_clk count */
- cdiff = cend - cstart; /* get elapsed ticks */
-
- if (cdiv == 2)
- {
- cdiff *= 2;
- }
-
- /* based on number of ticks assign speed */
- if (cdiff > 19000)
- return S38_4M;
- else if (cdiff > 15200)
- return S26M;
- else if (cdiff > 13000)
- return S24M;
- else if (cdiff > 9000)
- return S19_2M;
- else if (cdiff > 7600)
- return S13M;
- else
- return S12M;
-}
-
-/******************************************************************************
- * get_sys_clkin_sel() - returns the sys_clkin_sel field value based on
- * input oscillator clock frequency.
- *****************************************************************************/
-void get_sys_clkin_sel(u32 osc_clk, u32 *sys_clkin_sel)
-{
- switch(osc_clk) {
- case S38_4M:
- *sys_clkin_sel = 4;
- break;
- case S26M:
- *sys_clkin_sel = 3;
- break;
- case S19_2M:
- *sys_clkin_sel = 2;
- break;
- case S13M:
- *sys_clkin_sel = 1;
- break;
- case S12M:
- default:
- *sys_clkin_sel = 0;
- }
-}
-
-/******************************************************************************
- * prcm_init() - inits clocks for PRCM as defined in clocks.h
- * called from SRAM, or Flash (using temp SRAM stack).
- *****************************************************************************/
-void prcm_init(void)
-{
- void (*f_lock_pll) (u32, u32, u32, u32);
- int xip_safe, p0, p1, p2, p3;
- u32 osc_clk = 0, sys_clkin_sel;
- u32 clk_index, sil_index = 0;
- struct prm *prm_base = (struct prm *)PRM_BASE;
- struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
- dpll_param *dpll_param_p;
-
- f_lock_pll = (void *) ((u32) &_end_vect - (u32) &_start +
- SRAM_VECT_CODE);
-
- xip_safe = is_running_in_sram();
-
- /*
- * Gauge the input clock speed and find out the sys_clkin_sel
- * value corresponding to the input clock.
- */
- osc_clk = get_osc_clk_speed();
- get_sys_clkin_sel(osc_clk, &sys_clkin_sel);
-
- /* set input crystal speed */
- sr32(&prm_base->clksel, 0, 3, sys_clkin_sel);
-
- /* If the input clock is greater than 19.2M always divide/2 */
- if (sys_clkin_sel > 2) {
- /* input clock divider */
- sr32(&prm_base->clksrc_ctrl, 6, 2, 2);
- clk_index = sys_clkin_sel / 2;
- } else {
- /* input clock divider */
- sr32(&prm_base->clksrc_ctrl, 6, 2, 1);
- clk_index = sys_clkin_sel;
- }
-
- /*
- * The DPLL tables are defined according to sysclk value and
- * silicon revision. The clk_index value will be used to get
- * the values for that input sysclk from the DPLL param table
- * and sil_index will get the values for that SysClk for the
- * appropriate silicon rev.
- */
- if (get_cpu_rev())
- sil_index = 1;
-
- /* Unlock MPU DPLL (slows things down, and needed later) */
- sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS);
- wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu, LDELAY);
-
- /* Getting the base address of Core DPLL param table */
- dpll_param_p = (dpll_param *) get_core_dpll_param();
-
- /* Moving it to the right sysclk and ES rev base */
- dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
- if (xip_safe) {
- /*
- * CORE DPLL
- * sr32(CM_CLKSEL2_EMU) set override to work when asleep
- */
- sr32(&prcm_base->clken_pll, 0, 3, PLL_FAST_RELOCK_BYPASS);
- wait_on_value(ST_CORE_CLK, 0, &prcm_base->idlest_ckgen,
- LDELAY);
-
- /*
- * For OMAP3 ES1.0 Errata 1.50, default value directly doesn't
- * work. write another value and then default value.
- */
-
- /* m3x2 */
- sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2 + 1);
- /* m3x2 */
- sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2);
- /* Set M2 */
- sr32(&prcm_base->clksel1_pll, 27, 2, dpll_param_p->m2);
- /* Set M */
- sr32(&prcm_base->clksel1_pll, 16, 11, dpll_param_p->m);
- /* Set N */
- sr32(&prcm_base->clksel1_pll, 8, 7, dpll_param_p->n);
- /* 96M Src */
- sr32(&prcm_base->clksel1_pll, 6, 1, 0);
- /* ssi */
- sr32(&prcm_base->clksel_core, 8, 4, CORE_SSI_DIV);
- /* fsusb */
- sr32(&prcm_base->clksel_core, 4, 2, CORE_FUSB_DIV);
- /* l4 */
- sr32(&prcm_base->clksel_core, 2, 2, CORE_L4_DIV);
- /* l3 */
- sr32(&prcm_base->clksel_core, 0, 2, CORE_L3_DIV);
- /* gfx */
- sr32(&prcm_base->clksel_gfx, 0, 3, GFX_DIV);
- /* reset mgr */
- sr32(&prcm_base->clksel_wkup, 1, 2, WKUP_RSM);
- /* FREQSEL */
- sr32(&prcm_base->clken_pll, 4, 4, dpll_param_p->fsel);
- /* lock mode */
- sr32(&prcm_base->clken_pll, 0, 3, PLL_LOCK);
-
- wait_on_value(ST_CORE_CLK, 1, &prcm_base->idlest_ckgen,
- LDELAY);
- } else if (is_running_in_flash()) {
- /*
- * if running from flash, jump to small relocated code
- * area in SRAM.
- */
- p0 = readl(&prcm_base->clken_pll);
- sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS);
- sr32(&p0, 4, 4, dpll_param_p->fsel); /* FREQSEL */
-
- p1 = readl(&prcm_base->clksel1_pll);
- sr32(&p1, 27, 2, dpll_param_p->m2); /* Set M2 */
- sr32(&p1, 16, 11, dpll_param_p->m); /* Set M */
- sr32(&p1, 8, 7, dpll_param_p->n); /* Set N */
- sr32(&p1, 6, 1, 0); /* set source for 96M */
-
- p2 = readl(&prcm_base->clksel_core);
- sr32(&p2, 8, 4, CORE_SSI_DIV); /* ssi */
- sr32(&p2, 4, 2, CORE_FUSB_DIV); /* fsusb */
- sr32(&p2, 2, 2, CORE_L4_DIV); /* l4 */
- sr32(&p2, 0, 2, CORE_L3_DIV); /* l3 */
-
- p3 = (u32)&prcm_base->idlest_ckgen;
-
- (*f_lock_pll) (p0, p1, p2, p3);
- }
-
- /* PER DPLL */
- sr32(&prcm_base->clken_pll, 16, 3, PLL_STOP);
- wait_on_value(ST_PERIPH_CLK, 0, &prcm_base->idlest_ckgen, LDELAY);
-
- /* Getting the base address to PER DPLL param table */
-
- /* Set N */
- dpll_param_p = (dpll_param *) get_per_dpll_param();
-
- /* Moving it to the right sysclk base */
- dpll_param_p = dpll_param_p + clk_index;
-
- /*
- * Errata 1.50 Workaround for OMAP3 ES1.0 only
- * If using default divisors, write default divisor + 1
- * and then the actual divisor value
- */
- sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2 + 1); /* set M6 */
- sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2); /* set M6 */
- sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2 + 1); /* set M5 */
- sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2); /* set M5 */
- sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2 + 1); /* set M4 */
- sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2); /* set M4 */
- sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2 + 1); /* set M3 */
- sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2); /* set M3 */
- sr32(&prcm_base->clksel3_pll, 0, 5, dpll_param_p->m2 + 1); /* set M2 */
- sr32(&prcm_base->clksel3_pll, 0, 5, dpll_param_p->m2); /* set M2 */
- /* Workaround end */
-
- sr32(&prcm_base->clksel2_pll, 8, 11, dpll_param_p->m); /* set m */
- sr32(&prcm_base->clksel2_pll, 0, 7, dpll_param_p->n); /* set n */
- sr32(&prcm_base->clken_pll, 20, 4, dpll_param_p->fsel); /* FREQSEL */
- sr32(&prcm_base->clken_pll, 16, 3, PLL_LOCK); /* lock mode */
- wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY);
-
- /* Getting the base address to MPU DPLL param table */
- dpll_param_p = (dpll_param *) get_mpu_dpll_param();
-
- /* Moving it to the right sysclk and ES rev base */
- dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
-
- /* MPU DPLL (unlocked already) */
-
- /* Set M2 */
- sr32(&prcm_base->clksel2_pll_mpu, 0, 5, dpll_param_p->m2);
- /* Set M */
- sr32(&prcm_base->clksel1_pll_mpu, 8, 11, dpll_param_p->m);
- /* Set N */
- sr32(&prcm_base->clksel1_pll_mpu, 0, 7, dpll_param_p->n);
- /* FREQSEL */
- sr32(&prcm_base->clken_pll_mpu, 4, 4, dpll_param_p->fsel);
- /* lock mode */
- sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK);
- wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu, LDELAY);
-
- /* Getting the base address to IVA DPLL param table */
- dpll_param_p = (dpll_param *) get_iva_dpll_param();
-
- /* Moving it to the right sysclk and ES rev base */
- dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
-
- /* IVA DPLL (set to 12*20=240MHz) */
- sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_STOP);
- wait_on_value(ST_IVA2_CLK, 0, &prcm_base->idlest_pll_iva2, LDELAY);
- /* set M2 */
- sr32(&prcm_base->clksel2_pll_iva2, 0, 5, dpll_param_p->m2);
- /* set M */
- sr32(&prcm_base->clksel1_pll_iva2, 8, 11, dpll_param_p->m);
- /* set N */
- sr32(&prcm_base->clksel1_pll_iva2, 0, 7, dpll_param_p->n);
- /* FREQSEL */
- sr32(&prcm_base->clken_pll_iva2, 4, 4, dpll_param_p->fsel);
- /* lock mode */
- sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_LOCK);
- wait_on_value(ST_IVA2_CLK, 1, &prcm_base->idlest_pll_iva2, LDELAY);
-
- /* Set up GPTimers to sys_clk source only */
- sr32(&prcm_base->clksel_per, 0, 8, 0xff);
- sr32(&prcm_base->clksel_wkup, 0, 1, 1);
-
- sdelay(5000);
-}
-
-/******************************************************************************
- * peripheral_enable() - Enable the clks & power for perifs (GPT2, UART1,...)
- *****************************************************************************/
-void per_clocks_enable(void)
-{
- struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
-
- /* Enable GP2 timer. */
- sr32(&prcm_base->clksel_per, 0, 1, 0x1); /* GPT2 = sys clk */
- sr32(&prcm_base->iclken_per, 3, 1, 0x1); /* ICKen GPT2 */
- sr32(&prcm_base->fclken_per, 3, 1, 0x1); /* FCKen GPT2 */
-
-#ifdef CONFIG_SYS_NS16550
- /* Enable UART1 clocks */
- sr32(&prcm_base->fclken1_core, 13, 1, 0x1);
- sr32(&prcm_base->iclken1_core, 13, 1, 0x1);
-
- /* UART 3 Clocks */
- sr32(&prcm_base->fclken_per, 11, 1, 0x1);
- sr32(&prcm_base->iclken_per, 11, 1, 0x1);
-#endif
-
-#ifdef CONFIG_OMAP3_GPIO_2
- sr32(&prcm_base->fclken_per, 13, 1, 1);
- sr32(&prcm_base->iclken_per, 13, 1, 1);
-#endif
-#ifdef CONFIG_OMAP3_GPIO_3
- sr32(&prcm_base->fclken_per, 14, 1, 1);
- sr32(&prcm_base->iclken_per, 14, 1, 1);
-#endif
-#ifdef CONFIG_OMAP3_GPIO_4
- sr32(&prcm_base->fclken_per, 15, 1, 1);
- sr32(&prcm_base->iclken_per, 15, 1, 1);
-#endif
-#ifdef CONFIG_OMAP3_GPIO_5
- sr32(&prcm_base->fclken_per, 16, 1, 1);
- sr32(&prcm_base->iclken_per, 16, 1, 1);
-#endif
-#ifdef CONFIG_OMAP3_GPIO_6
- sr32(&prcm_base->fclken_per, 17, 1, 1);
- sr32(&prcm_base->iclken_per, 17, 1, 1);
-#endif
-
-#ifdef CONFIG_DRIVER_OMAP34XX_I2C
- /* Turn on all 3 I2C clocks */
- sr32(&prcm_base->fclken1_core, 15, 3, 0x7);
- sr32(&prcm_base->iclken1_core, 15, 3, 0x7); /* I2C1,2,3 = on */
-#endif
- /* Enable the ICLK for 32K Sync Timer as its used in udelay */
- sr32(&prcm_base->iclken_wkup, 2, 1, 0x1);
-
- sr32(&prcm_base->fclken_iva2, 0, 32, FCK_IVA2_ON);
- sr32(&prcm_base->fclken1_core, 0, 32, FCK_CORE1_ON);
- sr32(&prcm_base->iclken1_core, 0, 32, ICK_CORE1_ON);
- sr32(&prcm_base->iclken2_core, 0, 32, ICK_CORE2_ON);
- sr32(&prcm_base->fclken_wkup, 0, 32, FCK_WKUP_ON);
- sr32(&prcm_base->iclken_wkup, 0, 32, ICK_WKUP_ON);
- sr32(&prcm_base->fclken_dss, 0, 32, FCK_DSS_ON);
- sr32(&prcm_base->iclken_dss, 0, 32, ICK_DSS_ON);
- sr32(&prcm_base->fclken_cam, 0, 32, FCK_CAM_ON);
- sr32(&prcm_base->iclken_cam, 0, 32, ICK_CAM_ON);
- sr32(&prcm_base->fclken_per, 0, 32, FCK_PER_ON);
- sr32(&prcm_base->iclken_per, 0, 32, ICK_PER_ON);
-
- sdelay(1000);
-}
+++ /dev/null
-/*
- * Author :
- * Vaibhav Hiremath <hvaibhav@ti.com>
- *
- * Based on mem.c and sdrc.c
- *
- * Copyright (C) 2010
- * Texas Instruments Incorporated - http://www.ti.com/
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/arch/emif4.h>
-
-extern omap3_sysinfo sysinfo;
-
-static emif4_t *emif4_base = (emif4_t *)OMAP34XX_SDRC_BASE;
-
-/*
- * is_mem_sdr -
- * - Return 1 if mem type in use is SDR
- */
-u32 is_mem_sdr(void)
-{
- return 0;
-}
-
-/*
- * get_sdr_cs_size -
- * - Get size of chip select 0/1
- */
-u32 get_sdr_cs_size(u32 cs)
-{
- u32 size;
-
- /* TODO: Calculate the size based on EMIF4 configuration */
- size = CONFIG_SYS_CS0_SIZE;
-
- return size;
-}
-
-/*
- * get_sdr_cs_offset -
- * - Get offset of cs from cs0 start
- */
-u32 get_sdr_cs_offset(u32 cs)
-{
- u32 offset = 0;
-
- return offset;
-}
-
-/*
- * do_emif4_init -
- * - Init the emif4 module for DDR access
- * - Early init routines, called from flash or SRAM.
- */
-void do_emif4_init(void)
-{
- unsigned int regval;
- /* Set the DDR PHY parameters in PHY ctrl registers */
- regval = (EMIF4_DDR1_READ_LAT | EMIF4_DDR1_PWRDN_DIS |
- EMIF4_DDR1_EXT_STRB_DIS);
- writel(regval, &emif4_base->ddr_phyctrl1);
- writel(regval, &emif4_base->ddr_phyctrl1_shdw);
- writel(0, &emif4_base->ddr_phyctrl2);
-
- /* Reset the DDR PHY and wait till completed */
- regval = readl(&emif4_base->sdram_iodft_tlgc);
- regval |= (1<<10);
- writel(regval, &emif4_base->sdram_iodft_tlgc);
- /*Wait till that bit clears*/
- while ((readl(&emif4_base->sdram_iodft_tlgc) & (1<<10)) == 0x1);
- /*Re-verify the DDR PHY status*/
- while ((readl(&emif4_base->sdram_sts) & (1<<2)) == 0x0);
-
- regval |= (1<<0);
- writel(regval, &emif4_base->sdram_iodft_tlgc);
- /* Set SDR timing registers */
- regval = (EMIF4_TIM1_T_WTR | EMIF4_TIM1_T_RRD |
- EMIF4_TIM1_T_RC | EMIF4_TIM1_T_RAS |
- EMIF4_TIM1_T_WR | EMIF4_TIM1_T_RCD |
- EMIF4_TIM1_T_RP);
- writel(regval, &emif4_base->sdram_time1);
- writel(regval, &emif4_base->sdram_time1_shdw);
-
- regval = (EMIF4_TIM2_T_CKE | EMIF4_TIM2_T_RTP |
- EMIF4_TIM2_T_XSRD | EMIF4_TIM2_T_XSNR |
- EMIF4_TIM2_T_ODT | EMIF4_TIM2_T_XP);
- writel(regval, &emif4_base->sdram_time2);
- writel(regval, &emif4_base->sdram_time2_shdw);
-
- regval = (EMIF4_TIM3_T_RAS_MAX | EMIF4_TIM3_T_RFC);
- writel(regval, &emif4_base->sdram_time3);
- writel(regval, &emif4_base->sdram_time3_shdw);
-
- /* Set the PWR control register */
- regval = (EMIF4_PWR_PM_TIM | EMIF4_PWR_LP_MODE |
- EMIF4_PWR_DPD_DIS | EMIF4_PWR_IDLE_MODE);
- writel(regval, &emif4_base->sdram_pwr_mgmt);
- writel(regval, &emif4_base->sdram_pwr_mgmt_shdw);
-
- /* Set the DDR refresh rate control register */
- regval = (EMIF4_REFRESH_RATE | EMIF4_INITREF_DIS);
- writel(regval, &emif4_base->sdram_refresh_ctrl);
- writel(regval, &emif4_base->sdram_refresh_ctrl_shdw);
-
- /* set the SDRAM configuration register */
- regval = (EMIF4_CFG_PGSIZE | EMIF4_CFG_EBANK |
- EMIF4_CFG_IBANK | EMIF4_CFG_ROWSIZE |
- EMIF4_CFG_CL | EMIF4_CFG_NARROW_MD |
- EMIF4_CFG_SDR_DRV | EMIF4_CFG_DDR_DIS_DLL |
- EMIF4_CFG_DDR2_DDQS | EMIF4_CFG_DDR_TERM |
- EMIF4_CFG_IBANK_POS | EMIF4_CFG_SDRAM_TYP);
- writel(regval, &emif4_base->sdram_config);
-}
-
-/*
- * dram_init -
- * - Sets uboots idea of sdram size
- */
-int dram_init(void)
-{
- DECLARE_GLOBAL_DATA_PTR;
- unsigned int size0 = 0, size1 = 0;
-
- size0 = get_sdr_cs_size(CS0);
- /*
- * If a second bank of DDR is attached to CS1 this is
- * where it can be started. Early init code will init
- * memory on CS0.
- */
- if ((sysinfo.mtype == DDR_COMBO) || (sysinfo.mtype == DDR_STACKED))
- size1 = get_sdr_cs_size(CS1);
-
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = size0;
- gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + get_sdr_cs_offset(CS1);
- gd->bd->bi_dram[1].size = size1;
-
- return 0;
-}
-
-/*
- * mem_init() -
- * - Initialize memory subsystem
- */
-void mem_init(void)
-{
- do_emif4_init();
-}
+++ /dev/null
-/*
- * Copyright (c) 2009 Wind River Systems, Inc.
- * Tom Rix <Tom.Rix@windriver.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- * This work is derived from the linux 2.6.27 kernel source
- * To fetch, use the kernel repository
- * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
- * Use the v2.6.27 tag.
- *
- * Below is the original's header including its copyright
- *
- * linux/arch/arm/plat-omap/gpio.c
- *
- * Support functions for OMAP GPIO
- *
- * Copyright (C) 2003-2005 Nokia Corporation
- * Written by Juha Yrjölä <juha.yrjola@nokia.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <common.h>
-#include <asm/arch/gpio.h>
-#include <asm/io.h>
-#include <asm/errno.h>
-
-static struct gpio_bank gpio_bank_34xx[6] = {
- { (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO3_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO4_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO5_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO6_BASE, METHOD_GPIO_24XX },
-};
-
-static struct gpio_bank *gpio_bank = &gpio_bank_34xx[0];
-
-static inline struct gpio_bank *get_gpio_bank(int gpio)
-{
- return &gpio_bank[gpio >> 5];
-}
-
-static inline int get_gpio_index(int gpio)
-{
- return gpio & 0x1f;
-}
-
-static inline int gpio_valid(int gpio)
-{
- if (gpio < 0)
- return -1;
- if (gpio < 192)
- return 0;
- return -1;
-}
-
-static int check_gpio(int gpio)
-{
- if (gpio_valid(gpio) < 0) {
- printf("ERROR : check_gpio: invalid GPIO %d\n", gpio);
- return -1;
- }
- return 0;
-}
-
-static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input)
-{
- void *reg = bank->base;
- u32 l;
-
- switch (bank->method) {
- case METHOD_GPIO_24XX:
- reg += OMAP24XX_GPIO_OE;
- break;
- default:
- return;
- }
- l = __raw_readl(reg);
- if (is_input)
- l |= 1 << gpio;
- else
- l &= ~(1 << gpio);
- __raw_writel(l, reg);
-}
-
-void omap_set_gpio_direction(int gpio, int is_input)
-{
- struct gpio_bank *bank;
-
- if (check_gpio(gpio) < 0)
- return;
- bank = get_gpio_bank(gpio);
- _set_gpio_direction(bank, get_gpio_index(gpio), is_input);
-}
-
-static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable)
-{
- void *reg = bank->base;
- u32 l = 0;
-
- switch (bank->method) {
- case METHOD_GPIO_24XX:
- if (enable)
- reg += OMAP24XX_GPIO_SETDATAOUT;
- else
- reg += OMAP24XX_GPIO_CLEARDATAOUT;
- l = 1 << gpio;
- break;
- default:
- printf("omap3-gpio unknown bank method %s %d\n",
- __FILE__, __LINE__);
- return;
- }
- __raw_writel(l, reg);
-}
-
-void omap_set_gpio_dataout(int gpio, int enable)
-{
- struct gpio_bank *bank;
-
- if (check_gpio(gpio) < 0)
- return;
- bank = get_gpio_bank(gpio);
- _set_gpio_dataout(bank, get_gpio_index(gpio), enable);
-}
-
-int omap_get_gpio_datain(int gpio)
-{
- struct gpio_bank *bank;
- void *reg;
-
- if (check_gpio(gpio) < 0)
- return -EINVAL;
- bank = get_gpio_bank(gpio);
- reg = bank->base;
- switch (bank->method) {
- case METHOD_GPIO_24XX:
- reg += OMAP24XX_GPIO_DATAIN;
- break;
- default:
- return -EINVAL;
- }
- return (__raw_readl(reg)
- & (1 << get_gpio_index(gpio))) != 0;
-}
-
-static void _reset_gpio(struct gpio_bank *bank, int gpio)
-{
- _set_gpio_direction(bank, get_gpio_index(gpio), 1);
-}
-
-int omap_request_gpio(int gpio)
-{
- if (check_gpio(gpio) < 0)
- return -EINVAL;
-
- return 0;
-}
-
-void omap_free_gpio(int gpio)
-{
- struct gpio_bank *bank;
-
- if (check_gpio(gpio) < 0)
- return;
- bank = get_gpio_bank(gpio);
-
- _reset_gpio(bank, gpio);
-}
+++ /dev/null
-/*
- * Board specific setup info
- *
- * (C) Copyright 2008
- * Texas Instruments, <www.ti.com>
- *
- * Initial Code by:
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <config.h>
-#include <version.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/clocks_omap3.h>
-
-_TEXT_BASE:
- .word TEXT_BASE /* sdram load addr from config.mk */
-
-#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_NAND_BOOT)
-/**************************************************************************
- * cpy_clk_code: relocates clock code into SRAM where its safer to execute
- * R1 = SRAM destination address.
- *************************************************************************/
-.global cpy_clk_code
- cpy_clk_code:
- /* Copy DPLL code into SRAM */
- adr r0, go_to_speed /* get addr of clock setting code */
- mov r2, #384 /* r2 size to copy (div by 32 bytes) */
- mov r1, r1 /* r1 <- dest address (passed in) */
- add r2, r2, r0 /* r2 <- source end address */
-next2:
- ldmia r0!, {r3 - r10} /* copy from source address [r0] */
- stmia r1!, {r3 - r10} /* copy to target address [r1] */
- cmp r0, r2 /* until source end address [r2] */
- bne next2
- mov pc, lr /* back to caller */
-
-/* ***************************************************************************
- * go_to_speed: -Moves to bypass, -Commits clock dividers, -puts dpll at speed
- * -executed from SRAM.
- * R0 = CM_CLKEN_PLL-bypass value
- * R1 = CM_CLKSEL1_PLL-m, n, and divider values
- * R2 = CM_CLKSEL_CORE-divider values
- * R3 = CM_IDLEST_CKGEN - addr dpll lock wait
- *
- * Note: If core unlocks/relocks and SDRAM is running fast already it gets
- * confused. A reset of the controller gets it back. Taking away its
- * L3 when its not in self refresh seems bad for it. Normally, this
- * code runs from flash before SDR is init so that should be ok.
- ****************************************************************************/
-.global go_to_speed
- go_to_speed:
- stmfd sp!, {r4 - r6}
-
- /* move into fast relock bypass */
- ldr r4, pll_ctl_add
- str r0, [r4]
-wait1:
- ldr r5, [r3] /* get status */
- and r5, r5, #0x1 /* isolate core status */
- cmp r5, #0x1 /* still locked? */
- beq wait1 /* if lock, loop */
-
- /* set new dpll dividers _after_ in bypass */
- ldr r5, pll_div_add1
- str r1, [r5] /* set m, n, m2 */
- ldr r5, pll_div_add2
- str r2, [r5] /* set l3/l4/.. dividers*/
- ldr r5, pll_div_add3 /* wkup */
- ldr r2, pll_div_val3 /* rsm val */
- str r2, [r5]
- ldr r5, pll_div_add4 /* gfx */
- ldr r2, pll_div_val4
- str r2, [r5]
- ldr r5, pll_div_add5 /* emu */
- ldr r2, pll_div_val5
- str r2, [r5]
-
- /* now prepare GPMC (flash) for new dpll speed */
- /* flash needs to be stable when we jump back to it */
- ldr r5, flash_cfg3_addr
- ldr r2, flash_cfg3_val
- str r2, [r5]
- ldr r5, flash_cfg4_addr
- ldr r2, flash_cfg4_val
- str r2, [r5]
- ldr r5, flash_cfg5_addr
- ldr r2, flash_cfg5_val
- str r2, [r5]
- ldr r5, flash_cfg1_addr
- ldr r2, [r5]
- orr r2, r2, #0x3 /* up gpmc divider */
- str r2, [r5]
-
- /* lock DPLL3 and wait a bit */
- orr r0, r0, #0x7 /* set up for lock mode */
- str r0, [r4] /* lock */
- nop /* ARM slow at this point working at sys_clk */
- nop
- nop
- nop
-wait2:
- ldr r5, [r3] /* get status */
- and r5, r5, #0x1 /* isolate core status */
- cmp r5, #0x1 /* still locked? */
- bne wait2 /* if lock, loop */
- nop
- nop
- nop
- nop
- ldmfd sp!, {r4 - r6}
- mov pc, lr /* back to caller, locked */
-
-_go_to_speed: .word go_to_speed
-
-/* these constants need to be close for PIC code */
-/* The Nor has to be in the Flash Base CS0 for this condition to happen */
-flash_cfg1_addr:
- .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG1)
-flash_cfg3_addr:
- .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG3)
-flash_cfg3_val:
- .word STNOR_GPMC_CONFIG3
-flash_cfg4_addr:
- .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG4)
-flash_cfg4_val:
- .word STNOR_GPMC_CONFIG4
-flash_cfg5_val:
- .word STNOR_GPMC_CONFIG5
-flash_cfg5_addr:
- .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG5)
-pll_ctl_add:
- .word CM_CLKEN_PLL
-pll_div_add1:
- .word CM_CLKSEL1_PLL
-pll_div_add2:
- .word CM_CLKSEL_CORE
-pll_div_add3:
- .word CM_CLKSEL_WKUP
-pll_div_val3:
- .word (WKUP_RSM << 1)
-pll_div_add4:
- .word CM_CLKSEL_GFX
-pll_div_val4:
- .word (GFX_DIV << 0)
-pll_div_add5:
- .word CM_CLKSEL1_EMU
-pll_div_val5:
- .word CLSEL1_EMU_VAL
-
-#endif
-
-.globl lowlevel_init
-lowlevel_init:
- ldr sp, SRAM_STACK
- str ip, [sp] /* stash old link register */
- mov ip, lr /* save link reg across call */
- bl s_init /* go setup pll, mux, memory */
- ldr ip, [sp] /* restore save ip */
- mov lr, ip /* restore link reg */
-
- /* back to arch calling code */
- mov pc, lr
-
- /* the literal pools origin */
- .ltorg
-
-REG_CONTROL_STATUS:
- .word CONTROL_STATUS
-SRAM_STACK:
- .word LOW_LEVEL_SRAM_STACK
-
-/* DPLL(1-4) PARAM TABLES */
-
-/*
- * Each of the tables has M, N, FREQSEL, M2 values defined for nominal
- * OPP (1.2V). The fields are defined according to dpll_param struct (clock.c).
- * The values are defined for all possible sysclk and for ES1 and ES2.
- */
-
-mpu_dpll_param:
-/* 12MHz */
-/* ES1 */
-.word MPU_M_12_ES1, MPU_N_12_ES1, MPU_FSEL_12_ES1, MPU_M2_12_ES1
-/* ES2 */
-.word MPU_M_12_ES2, MPU_N_12_ES2, MPU_FSEL_12_ES2, MPU_M2_ES2
-/* 3410 */
-.word MPU_M_12, MPU_N_12, MPU_FSEL_12, MPU_M2_12
-
-/* 13MHz */
-/* ES1 */
-.word MPU_M_13_ES1, MPU_N_13_ES1, MPU_FSEL_13_ES1, MPU_M2_13_ES1
-/* ES2 */
-.word MPU_M_13_ES2, MPU_N_13_ES2, MPU_FSEL_13_ES2, MPU_M2_13_ES2
-/* 3410 */
-.word MPU_M_13, MPU_N_13, MPU_FSEL_13, MPU_M2_13
-
-/* 19.2MHz */
-/* ES1 */
-.word MPU_M_19P2_ES1, MPU_N_19P2_ES1, MPU_FSEL_19P2_ES1, MPU_M2_19P2_ES1
-/* ES2 */
-.word MPU_M_19P2_ES2, MPU_N_19P2_ES2, MPU_FSEL_19P2_ES2, MPU_M2_19P2_ES2
-/* 3410 */
-.word MPU_M_19P2, MPU_N_19P2, MPU_FSEL_19P2, MPU_M2_19P2
-
-/* 26MHz */
-/* ES1 */
-.word MPU_M_26_ES1, MPU_N_26_ES1, MPU_FSEL_26_ES1, MPU_M2_26_ES1
-/* ES2 */
-.word MPU_M_26_ES2, MPU_N_26_ES2, MPU_FSEL_26_ES2, MPU_M2_26_ES2
-/* 3410 */
-.word MPU_M_26, MPU_N_26, MPU_FSEL_26, MPU_M2_26
-
-/* 38.4MHz */
-/* ES1 */
-.word MPU_M_38P4_ES1, MPU_N_38P4_ES1, MPU_FSEL_38P4_ES1, MPU_M2_38P4_ES1
-/* ES2 */
-.word MPU_M_38P4_ES2, MPU_N_38P4_ES2, MPU_FSEL_38P4_ES2, MPU_M2_38P4_ES2
-/* 3410 */
-.word MPU_M_38P4, MPU_N_38P4, MPU_FSEL_38P4, MPU_M2_38P4
-
-
-.globl get_mpu_dpll_param
-get_mpu_dpll_param:
- adr r0, mpu_dpll_param
- mov pc, lr
-
-iva_dpll_param:
-/* 12MHz */
-/* ES1 */
-.word IVA_M_12_ES1, IVA_N_12_ES1, IVA_FSEL_12_ES1, IVA_M2_12_ES1
-/* ES2 */
-.word IVA_M_12_ES2, IVA_N_12_ES2, IVA_FSEL_12_ES2, IVA_M2_12_ES2
-/* 3410 */
-.word IVA_M_12, IVA_N_12, IVA_FSEL_12, IVA_M2_12
-
-/* 13MHz */
-/* ES1 */
-.word IVA_M_13_ES1, IVA_N_13_ES1, IVA_FSEL_13_ES1, IVA_M2_13_ES1
-/* ES2 */
-.word IVA_M_13_ES2, IVA_N_13_ES2, IVA_FSEL_13_ES2, IVA_M2_13_ES2
-/* 3410 */
-.word IVA_M_13, IVA_N_13, IVA_FSEL_13, IVA_M2_13
-
-/* 19.2MHz */
-/* ES1 */
-.word IVA_M_19P2_ES1, IVA_N_19P2_ES1, IVA_FSEL_19P2_ES1, IVA_M2_19P2_ES1
-/* ES2 */
-.word IVA_M_19P2_ES2, IVA_N_19P2_ES2, IVA_FSEL_19P2_ES2, IVA_M2_19P2_ES2
-/* 3410 */
-.word IVA_M_19P2, IVA_N_19P2, IVA_FSEL_19P2, IVA_M2_19P2
-
-/* 26MHz */
-/* ES1 */
-.word IVA_M_26_ES1, IVA_N_26_ES1, IVA_FSEL_26_ES1, IVA_M2_26_ES1
-/* ES2 */
-.word IVA_M_26_ES2, IVA_N_26_ES2, IVA_FSEL_26_ES2, IVA_M2_26_ES2
-/* 3410 */
-.word IVA_M_26, IVA_N_26, IVA_FSEL_26, IVA_M2_26
-
-/* 38.4MHz */
-/* ES1 */
-.word IVA_M_38P4_ES1, IVA_N_38P4_ES1, IVA_FSEL_38P4_ES1, IVA_M2_38P4_ES1
-/* ES2 */
-.word IVA_M_38P4_ES2, IVA_N_38P4_ES2, IVA_FSEL_38P4_ES2, IVA_M2_38P4_ES2
-/* 3410 */
-.word IVA_M_38P4, IVA_N_38P4, IVA_FSEL_38P4, IVA_M2_38P4
-
-
-.globl get_iva_dpll_param
-get_iva_dpll_param:
- adr r0, iva_dpll_param
- mov pc, lr
-
-/* Core DPLL targets for L3 at 166 & L133 */
-core_dpll_param:
-/* 12MHz */
-/* ES1 */
-.word CORE_M_12_ES1, CORE_N_12_ES1, CORE_FSL_12_ES1, CORE_M2_12_ES1
-/* ES2 */
-.word CORE_M_12, CORE_N_12, CORE_FSEL_12, CORE_M2_12
-/* 3410 */
-.word CORE_M_12, CORE_N_12, CORE_FSEL_12, CORE_M2_12
-
-/* 13MHz */
-/* ES1 */
-.word CORE_M_13_ES1, CORE_N_13_ES1, CORE_FSL_13_ES1, CORE_M2_13_ES1
-/* ES2 */
-.word CORE_M_13, CORE_N_13, CORE_FSEL_13, CORE_M2_13
-/* 3410 */
-.word CORE_M_13, CORE_N_13, CORE_FSEL_13, CORE_M2_13
-
-/* 19.2MHz */
-/* ES1 */
-.word CORE_M_19P2_ES1, CORE_N_19P2_ES1, CORE_FSL_19P2_ES1, CORE_M2_19P2_ES1
-/* ES2 */
-.word CORE_M_19P2, CORE_N_19P2, CORE_FSEL_19P2, CORE_M2_19P2
-/* 3410 */
-.word CORE_M_19P2, CORE_N_19P2, CORE_FSEL_19P2, CORE_M2_19P2
-
-/* 26MHz */
-/* ES1 */
-.word CORE_M_26_ES1, CORE_N_26_ES1, CORE_FSL_26_ES1, CORE_M2_26_ES1
-/* ES2 */
-.word CORE_M_26, CORE_N_26, CORE_FSEL_26, CORE_M2_26
-/* 3410 */
-.word CORE_M_26, CORE_N_26, CORE_FSEL_26, CORE_M2_26
-
-/* 38.4MHz */
-/* ES1 */
-.word CORE_M_38P4_ES1, CORE_N_38P4_ES1, CORE_FSL_38P4_ES1, CORE_M2_38P4_ES1
-/* ES2 */
-.word CORE_M_38P4, CORE_N_38P4, CORE_FSEL_38P4, CORE_M2_38P4
-/* 3410 */
-.word CORE_M_38P4, CORE_N_38P4, CORE_FSEL_38P4, CORE_M2_38P4
-
-.globl get_core_dpll_param
-get_core_dpll_param:
- adr r0, core_dpll_param
- mov pc, lr
-
-/* PER DPLL values are same for both ES1 and ES2 */
-per_dpll_param:
-/* 12MHz */
-.word PER_M_12, PER_N_12, PER_FSEL_12, PER_M2_12
-
-/* 13MHz */
-.word PER_M_13, PER_N_13, PER_FSEL_13, PER_M2_13
-
-/* 19.2MHz */
-.word PER_M_19P2, PER_N_19P2, PER_FSEL_19P2, PER_M2_19P2
-
-/* 26MHz */
-.word PER_M_26, PER_N_26, PER_FSEL_26, PER_M2_26
-
-/* 38.4MHz */
-.word PER_M_38P4, PER_N_38P4, PER_FSEL_38P4, PER_M2_38P4
-
-.globl get_per_dpll_param
-get_per_dpll_param:
- adr r0, per_dpll_param
- mov pc, lr
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Texas Instruments, <www.ti.com>
- *
- * Author :
- * Manikandan Pillai <mani.pillai@ti.com>
- *
- * Initial Code from:
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/sys_proto.h>
-#include <command.h>
-
-/*
- * Only One NAND allowed on board at a time.
- * The GPMC CS Base for the same
- */
-unsigned int boot_flash_base;
-unsigned int boot_flash_off;
-unsigned int boot_flash_sec;
-unsigned int boot_flash_type;
-volatile unsigned int boot_flash_env_addr;
-
-struct gpmc *gpmc_cfg;
-
-#if defined(CONFIG_CMD_NAND)
-static const u32 gpmc_m_nand[GPMC_MAX_REG] = {
- M_NAND_GPMC_CONFIG1,
- M_NAND_GPMC_CONFIG2,
- M_NAND_GPMC_CONFIG3,
- M_NAND_GPMC_CONFIG4,
- M_NAND_GPMC_CONFIG5,
- M_NAND_GPMC_CONFIG6, 0
-};
-
-#if defined(CONFIG_ENV_IS_IN_NAND)
-#define GPMC_CS 0
-#else
-#define GPMC_CS 1
-#endif
-
-#endif
-
-#if defined(CONFIG_CMD_ONENAND)
-static const u32 gpmc_onenand[GPMC_MAX_REG] = {
- ONENAND_GPMC_CONFIG1,
- ONENAND_GPMC_CONFIG2,
- ONENAND_GPMC_CONFIG3,
- ONENAND_GPMC_CONFIG4,
- ONENAND_GPMC_CONFIG5,
- ONENAND_GPMC_CONFIG6, 0
-};
-
-#if defined(CONFIG_ENV_IS_IN_ONENAND)
-#define GPMC_CS 0
-#else
-#define GPMC_CS 1
-#endif
-
-#endif
-
-/********************************************************
- * mem_ok() - test used to see if timings are correct
- * for a part. Helps in guessing which part
- * we are currently using.
- *******************************************************/
-u32 mem_ok(u32 cs)
-{
- u32 val1, val2, addr;
- u32 pattern = 0x12345678;
-
- addr = OMAP34XX_SDRC_CS0 + get_sdr_cs_offset(cs);
-
- writel(0x0, addr + 0x400); /* clear pos A */
- writel(pattern, addr); /* pattern to pos B */
- writel(0x0, addr + 4); /* remove pattern off the bus */
- val1 = readl(addr + 0x400); /* get pos A value */
- val2 = readl(addr); /* get val2 */
-
- if ((val1 != 0) || (val2 != pattern)) /* see if pos A val changed */
- return 0;
- else
- return 1;
-}
-
-void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
- u32 size)
-{
- writel(0, &cs->config7);
- sdelay(1000);
- /* Delay for settling */
- writel(gpmc_config[0], &cs->config1);
- writel(gpmc_config[1], &cs->config2);
- writel(gpmc_config[2], &cs->config3);
- writel(gpmc_config[3], &cs->config4);
- writel(gpmc_config[4], &cs->config5);
- writel(gpmc_config[5], &cs->config6);
- /* Enable the config */
- writel((((size & 0xF) << 8) | ((base >> 24) & 0x3F) |
- (1 << 6)), &cs->config7);
- sdelay(2000);
-}
-
-/*****************************************************
- * gpmc_init(): init gpmc bus
- * Init GPMC for x16, MuxMode (SDRAM in x32).
- * This code can only be executed from SRAM or SDRAM.
- *****************************************************/
-void gpmc_init(void)
-{
- /* putting a blanket check on GPMC based on ZeBu for now */
- gpmc_cfg = (struct gpmc *)GPMC_BASE;
-#if defined(CONFIG_CMD_NAND) || defined(CONFIG_CMD_ONENAND)
- const u32 *gpmc_config = NULL;
- u32 base = 0;
- u32 size = 0;
-#if defined(CONFIG_ENV_IS_IN_NAND) || defined(CONFIG_ENV_IS_IN_ONENAND)
- u32 f_off = CONFIG_SYS_MONITOR_LEN;
- u32 f_sec = 0;
-#endif
-#endif
- u32 config = 0;
-
- /* global settings */
- writel(0, &gpmc_cfg->irqenable); /* isr's sources masked */
- writel(0, &gpmc_cfg->timeout_control);/* timeout disable */
-
- config = readl(&gpmc_cfg->config);
- config &= (~0xf00);
- writel(config, &gpmc_cfg->config);
-
- /*
- * Disable the GPMC0 config set by ROM code
- * It conflicts with our MPDB (both at 0x08000000)
- */
- writel(0, &gpmc_cfg->cs[0].config7);
- sdelay(1000);
-
-#if defined(CONFIG_CMD_NAND) /* CS 0 */
- gpmc_config = gpmc_m_nand;
-
- base = PISMO1_NAND_BASE;
- size = PISMO1_NAND_SIZE;
- enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size);
-#if defined(CONFIG_ENV_IS_IN_NAND)
- f_off = SMNAND_ENV_OFFSET;
- f_sec = (128 << 10); /* 128 KiB */
- /* env setup */
- boot_flash_base = base;
- boot_flash_off = f_off;
- boot_flash_sec = f_sec;
- boot_flash_env_addr = f_off;
-#endif
-#endif
-
-#if defined(CONFIG_CMD_ONENAND)
- gpmc_config = gpmc_onenand;
- base = PISMO1_ONEN_BASE;
- size = PISMO1_ONEN_SIZE;
- enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size);
-#if defined(CONFIG_ENV_IS_IN_ONENAND)
- f_off = ONENAND_ENV_OFFSET;
- f_sec = (128 << 10); /* 128 KiB */
- /* env setup */
- boot_flash_base = base;
- boot_flash_off = f_off;
- boot_flash_sec = f_sec;
- boot_flash_env_addr = f_off;
-#endif
-#endif
-}
+++ /dev/null
-/*
- * Copyright (c) 2009 Samsung Electronics.
- * Minkyu Kang <mk7.kang@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <config.h>
-
-.global reset_cpu
-reset_cpu:
- ldr r1, rstctl @ get addr for global reset
- @ reg
- mov r3, #0x2 @ full reset pll + mpu
- str r3, [r1] @ force reset
- mov r0, r0
-_loop_forever:
- b _loop_forever
-rstctl:
- .word PRM_RSTCTRL
+++ /dev/null
-/*
- * Functions related to OMAP3 SDRC.
- *
- * This file has been created after exctracting and consolidating
- * the SDRC related content from mem.c and board.c, also created
- * generic init function (mem_init).
- *
- * Copyright (C) 2004-2010
- * Texas Instruments Incorporated - http://www.ti.com/
- *
- * Author :
- * Vaibhav Hiremath <hvaibhav@ti.com>
- *
- * Original implementation by (mem.c, board.c) :
- * Sunil Kumar <sunilsaini05@gmail.com>
- * Shashi Ranjan <shashiranjanmca05@gmail.com>
- * Manikandan Pillai <mani.pillai@ti.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/sys_proto.h>
-
-extern omap3_sysinfo sysinfo;
-
-static struct sdrc *sdrc_base = (struct sdrc *)OMAP34XX_SDRC_BASE;
-
-/*
- * is_mem_sdr -
- * - Return 1 if mem type in use is SDR
- */
-u32 is_mem_sdr(void)
-{
- if (readl(&sdrc_base->cs[CS0].mr) == SDRC_MR_0_SDR)
- return 1;
- return 0;
-}
-
-/*
- * make_cs1_contiguous -
- * - For es2 and above remap cs1 behind cs0 to allow command line
- * mem=xyz use all memory with out discontinuous support compiled in.
- * Could do it at the ATAG, but there really is two banks...
- * - Called as part of 2nd phase DDR init.
- */
-void make_cs1_contiguous(void)
-{
- u32 size, a_add_low, a_add_high;
-
- size = get_sdr_cs_size(CS0);
- size >>= 25; /* divide by 32 MiB to find size to offset CS1 */
- a_add_high = (size & 3) << 8; /* set up low field */
- a_add_low = (size & 0x3C) >> 2; /* set up high field */
- writel((a_add_high | a_add_low), &sdrc_base->cs_cfg);
-
-}
-
-
-/*
- * get_sdr_cs_size -
- * - Get size of chip select 0/1
- */
-u32 get_sdr_cs_size(u32 cs)
-{
- u32 size;
-
- /* get ram size field */
- size = readl(&sdrc_base->cs[cs].mcfg) >> 8;
- size &= 0x3FF; /* remove unwanted bits */
- size <<= 21; /* multiply by 2 MiB to find size in MB */
- return size;
-}
-
-/*
- * get_sdr_cs_offset -
- * - Get offset of cs from cs0 start
- */
-u32 get_sdr_cs_offset(u32 cs)
-{
- u32 offset;
-
- if (!cs)
- return 0;
-
- offset = readl(&sdrc_base->cs_cfg);
- offset = (offset & 15) << 27 | (offset & 0x30) >> 17;
-
- return offset;
-}
-
-/*
- * do_sdrc_init -
- * - Initialize the SDRAM for use.
- * - Sets up SDRC timings for CS0
- * - code called once in C-Stack only context for CS0 and a possible 2nd
- * time depending on memory configuration from stack+global context
- */
-void do_sdrc_init(u32 cs, u32 early)
-{
- struct sdrc_actim *sdrc_actim_base;
-
- if (cs)
- sdrc_actim_base = (struct sdrc_actim *)SDRC_ACTIM_CTRL1_BASE;
- else
- sdrc_actim_base = (struct sdrc_actim *)SDRC_ACTIM_CTRL0_BASE;
-
- if (early) {
- /* reset sdrc controller */
- writel(SOFTRESET, &sdrc_base->sysconfig);
- wait_on_value(RESETDONE, RESETDONE, &sdrc_base->status,
- 12000000);
- writel(0, &sdrc_base->sysconfig);
-
- /* setup sdrc to ball mux */
- writel(SDRC_SHARING, &sdrc_base->sharing);
-
- /* Disable Power Down of CKE cuz of 1 CKE on combo part */
- writel(WAKEUPPROC | SRFRONRESET | PAGEPOLICY_HIGH,
- &sdrc_base->power);
-
- writel(ENADLL | DLLPHASE_90, &sdrc_base->dlla_ctrl);
- sdelay(0x20000);
- }
-
- writel(RASWIDTH_13BITS | CASWIDTH_10BITS | ADDRMUXLEGACY |
- RAMSIZE_128 | BANKALLOCATION | B32NOT16 | B32NOT16 |
- DEEPPD | DDR_SDRAM, &sdrc_base->cs[cs].mcfg);
- writel(ARCV | ARE_ARCV_1, &sdrc_base->cs[cs].rfr_ctrl);
- writel(V_ACTIMA_165, &sdrc_actim_base->ctrla);
- writel(V_ACTIMB_165, &sdrc_actim_base->ctrlb);
-
- writel(CMD_NOP, &sdrc_base->cs[cs].manual);
- writel(CMD_PRECHARGE, &sdrc_base->cs[cs].manual);
- writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
- writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
-
- /*
- * CAS latency 3, Write Burst = Read Burst, Serial Mode,
- * Burst length = 4
- */
- writel(CASL3 | BURSTLENGTH4, &sdrc_base->cs[cs].mr);
-
- if (!mem_ok(cs))
- writel(0, &sdrc_base->cs[cs].mcfg);
-}
-
-/*
- * dram_init -
- * - Sets uboots idea of sdram size
- */
-int dram_init(void)
-{
- DECLARE_GLOBAL_DATA_PTR;
- unsigned int size0 = 0, size1 = 0;
-
- size0 = get_sdr_cs_size(CS0);
- /*
- * If a second bank of DDR is attached to CS1 this is
- * where it can be started. Early init code will init
- * memory on CS0.
- */
- if ((sysinfo.mtype == DDR_COMBO) || (sysinfo.mtype == DDR_STACKED)) {
- do_sdrc_init(CS1, NOT_EARLY);
- make_cs1_contiguous();
-
- size1 = get_sdr_cs_size(CS1);
- }
-
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = size0;
- gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + get_sdr_cs_offset(CS1);
- gd->bd->bi_dram[1].size = size1;
-
- return 0;
-}
-
-/*
- * mem_init -
- * - Init the sdrc chip,
- * - Selects CS0 and CS1,
- */
-void mem_init(void)
-{
- /* only init up first bank here */
- do_sdrc_init(CS0, EARLY_INIT);
-}
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Texas Instruments, <www.ti.com>
- *
- * Author :
- * Manikandan Pillai <mani.pillai@ti.com>
- *
- * Derived from Beagle Board and 3430 SDP code by
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/mem.h> /* get mem tables */
-#include <asm/arch/sys_proto.h>
-#include <i2c.h>
-
-extern omap3_sysinfo sysinfo;
-static struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
-static char *rev_s[CPU_3XX_MAX_REV] = {
- "1.0",
- "2.0",
- "2.1",
- "3.0",
- "3.1"};
-
-/*****************************************************************
- * dieid_num_r(void) - read and set die ID
- *****************************************************************/
-void dieid_num_r(void)
-{
- struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE;
- char *uid_s, die_id[34];
- u32 id[4];
-
- memset(die_id, 0, sizeof(die_id));
-
- uid_s = getenv("dieid#");
-
- if (uid_s == NULL) {
- id[3] = readl(&id_base->die_id_0);
- id[2] = readl(&id_base->die_id_1);
- id[1] = readl(&id_base->die_id_2);
- id[0] = readl(&id_base->die_id_3);
- sprintf(die_id, "%08x%08x%08x%08x", id[0], id[1], id[2], id[3]);
- setenv("dieid#", die_id);
- uid_s = die_id;
- }
-
- printf("Die ID #%s\n", uid_s);
-}
-
-/******************************************
- * get_cpu_type(void) - extract cpu info
- ******************************************/
-u32 get_cpu_type(void)
-{
- return readl(&ctrl_base->ctrl_omap_stat);
-}
-
-/******************************************
- * get_cpu_rev(void) - extract version info
- ******************************************/
-u32 get_cpu_rev(void)
-{
- u32 cpuid = 0;
- struct ctrl_id *id_base;
-
- /*
- * On ES1.0 the IDCODE register is not exposed on L4
- * so using CPU ID to differentiate between ES1.0 and > ES1.0.
- */
- __asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r"(cpuid));
- if ((cpuid & 0xf) == 0x0)
- return CPU_3XX_ES10;
- else {
- /* Decode the IDs on > ES1.0 */
- id_base = (struct ctrl_id *) OMAP34XX_ID_L4_IO_BASE;
-
- cpuid = (readl(&id_base->idcode) >> CPU_3XX_ID_SHIFT) & 0xf;
-
- /* Some early ES2.0 seem to report ID 0, fix this */
- if(cpuid == 0)
- cpuid = CPU_3XX_ES20;
-
- return cpuid;
- }
-}
-
-/***************************************************************************
- * get_gpmc0_base() - Return current address hardware will be
- * fetching from. The below effectively gives what is correct, its a bit
- * mis-leading compared to the TRM. For the most general case the mask
- * needs to be also taken into account this does work in practice.
- * - for u-boot we currently map:
- * -- 0 to nothing,
- * -- 4 to flash
- * -- 8 to enent
- * -- c to wifi
- ****************************************************************************/
-u32 get_gpmc0_base(void)
-{
- u32 b;
-
- b = readl(&gpmc_cfg->cs[0].config7);
- b &= 0x1F; /* keep base [5:0] */
- b = b << 24; /* ret 0x0b000000 */
- return b;
-}
-
-/*******************************************************************
- * get_gpmc0_width() - See if bus is in x8 or x16 (mainly for nand)
- *******************************************************************/
-u32 get_gpmc0_width(void)
-{
- return WIDTH_16BIT;
-}
-
-/*************************************************************************
- * get_board_rev() - setup to pass kernel board revision information
- * returns:(bit[0-3] sub version, higher bit[7-4] is higher version)
- *************************************************************************/
-u32 get_board_rev(void)
-{
- return 0x20;
-}
-
-/********************************************************
- * get_base(); get upper addr of current execution
- *******************************************************/
-u32 get_base(void)
-{
- u32 val;
-
- __asm__ __volatile__("mov %0, pc \n":"=r"(val)::"memory");
- val &= 0xF0000000;
- val >>= 28;
- return val;
-}
-
-/********************************************************
- * is_running_in_flash() - tell if currently running in
- * FLASH.
- *******************************************************/
-u32 is_running_in_flash(void)
-{
- if (get_base() < 4)
- return 1; /* in FLASH */
-
- return 0; /* running in SRAM or SDRAM */
-}
-
-/********************************************************
- * is_running_in_sram() - tell if currently running in
- * SRAM.
- *******************************************************/
-u32 is_running_in_sram(void)
-{
- if (get_base() == 4)
- return 1; /* in SRAM */
-
- return 0; /* running in FLASH or SDRAM */
-}
-
-/********************************************************
- * is_running_in_sdram() - tell if currently running in
- * SDRAM.
- *******************************************************/
-u32 is_running_in_sdram(void)
-{
- if (get_base() > 4)
- return 1; /* in SDRAM */
-
- return 0; /* running in SRAM or FLASH */
-}
-
-/***************************************************************
- * get_boot_type() - Is this an XIP type device or a stream one
- * bits 4-0 specify type. Bit 5 says mem/perif
- ***************************************************************/
-u32 get_boot_type(void)
-{
- return (readl(&ctrl_base->status) & SYSBOOT_MASK);
-}
-
-/*************************************************************
- * get_device_type(): tell if GP/HS/EMU/TST
- *************************************************************/
-u32 get_device_type(void)
-{
- return ((readl(&ctrl_base->status) & (DEVICE_MASK)) >> 8);
-}
-
-#ifdef CONFIG_DISPLAY_CPUINFO
-/**
- * Print CPU information
- */
-int print_cpuinfo (void)
-{
- char *cpu_s, *sec_s;
-
- switch (get_cpu_type()) {
- case OMAP3503:
- cpu_s = "3503";
- break;
- case OMAP3515:
- cpu_s = "3515";
- break;
- case OMAP3525:
- cpu_s = "3525";
- break;
- case OMAP3530:
- cpu_s = "3530";
- break;
- default:
- cpu_s = "35XX";
- break;
- }
-
- switch (get_device_type()) {
- case TST_DEVICE:
- sec_s = "TST";
- break;
- case EMU_DEVICE:
- sec_s = "EMU";
- break;
- case HS_DEVICE:
- sec_s = "HS";
- break;
- case GP_DEVICE:
- sec_s = "GP";
- break;
- default:
- sec_s = "?";
- }
-
- printf("OMAP%s-%s ES%s, CPU-OPP2 L3-165MHz\n",
- cpu_s, sec_s, rev_s[get_cpu_rev()]);
-
- return 0;
-}
-#endif /* CONFIG_DISPLAY_CPUINFO */
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Texas Instruments, <www.ti.com>
- *
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/clocks.h>
-#include <asm/arch/sys_proto.h>
-
-/************************************************************
- * sdelay() - simple spin loop. Will be constant time as
- * its generally used in bypass conditions only. This
- * is necessary until timers are accessible.
- *
- * not inline to increase chances its in cache when called
- *************************************************************/
-void sdelay(unsigned long loops)
-{
- __asm__ volatile ("1:\n" "subs %0, %1, #1\n"
- "bne 1b":"=r" (loops):"0"(loops));
-}
-
-/*****************************************************************
- * sr32 - clear & set a value in a bit range for a 32 bit address
- *****************************************************************/
-void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value)
-{
- u32 tmp, msk = 0;
- msk = 1 << num_bits;
- --msk;
- tmp = readl((u32)addr) & ~(msk << start_bit);
- tmp |= value << start_bit;
- writel(tmp, (u32)addr);
-}
-
-/*********************************************************************
- * wait_on_value() - common routine to allow waiting for changes in
- * volatile regs.
- *********************************************************************/
-u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr,
- u32 bound)
-{
- u32 i = 0, val;
- do {
- ++i;
- val = readl((u32)read_addr) & read_bit_mask;
- if (val == match_value)
- return 1;
- if (i == bound)
- return 0;
- } while (1);
-}
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Texas Instruments
- *
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Moahmmed Khasim <khasim@ti.com>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- * Alex Zuepke <azu@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-
-static ulong timestamp;
-static ulong lastinc;
-static struct gptimer *timer_base = (struct gptimer *)CONFIG_SYS_TIMERBASE;
-
-/*
- * Nothing really to do with interrupts, just starts up a counter.
- * We run the counter with 13MHz, divided by 8, resulting in timer
- * frequency of 1.625MHz. With 32bit counter register, counter
- * overflows in ~44min
- */
-
-/* 13MHz / 8 = 1.625MHz */
-#define TIMER_CLOCK (V_SCLK / (2 << CONFIG_SYS_PTV))
-#define TIMER_LOAD_VAL 0xffffffff
-
-int timer_init(void)
-{
- /* start the counter ticking up, reload value on overflow */
- writel(TIMER_LOAD_VAL, &timer_base->tldr);
- /* enable timer */
- writel((CONFIG_SYS_PTV << 2) | TCLR_PRE | TCLR_AR | TCLR_ST,
- &timer_base->tclr);
-
- reset_timer_masked(); /* init the timestamp and lastinc value */
-
- return 0;
-}
-
-/*
- * timer without interrupts
- */
-void reset_timer(void)
-{
- reset_timer_masked();
-}
-
-ulong get_timer(ulong base)
-{
- return get_timer_masked() - base;
-}
-
-void set_timer(ulong t)
-{
- timestamp = t;
-}
-
-/* delay x useconds */
-void __udelay(unsigned long usec)
-{
- long tmo = usec * (TIMER_CLOCK / 1000) / 1000;
- unsigned long now, last = readl(&timer_base->tcrr);
-
- while (tmo > 0) {
- now = readl(&timer_base->tcrr);
- if (last > now) /* count up timer overflow */
- tmo -= TIMER_LOAD_VAL - last + now;
- else
- tmo -= now - last;
- last = now;
- }
-}
-
-void reset_timer_masked(void)
-{
- /* reset time, capture current incrementer value time */
- lastinc = readl(&timer_base->tcrr) / (TIMER_CLOCK / CONFIG_SYS_HZ);
- timestamp = 0; /* start "advancing" time stamp from 0 */
-}
-
-ulong get_timer_masked(void)
-{
- /* current tick value */
- ulong now = readl(&timer_base->tcrr) / (TIMER_CLOCK / CONFIG_SYS_HZ);
-
- if (now >= lastinc) /* normal mode (non roll) */
- /* move stamp fordward with absoulte diff ticks */
- timestamp += (now - lastinc);
- else /* we have rollover of incrementer */
- timestamp += ((TIMER_LOAD_VAL / (TIMER_CLOCK / CONFIG_SYS_HZ))
- - lastinc) + now;
- lastinc = now;
- return timestamp;
-}
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
- return get_timer(0);
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
- return CONFIG_SYS_HZ;
-}
+++ /dev/null
-#
-# (C) Copyright 2000-2003
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2008
-# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(SOC).a
-
-SOBJS = cache.o
-SOBJS += reset.o
-
-COBJS += clock.o
-COBJS += cpu_info.o
-COBJS += sromc.o
-COBJS += timer.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
-
-all: $(obj).depend $(LIB)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-/*
- * Copyright (C) 2009 Samsung Electronics
- * Minkyu Kang <mk7.kang@samsung.com>
- *
- * based on arch/arm/cpu/arm_cortexa8/omap3/cache.S
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <asm/arch/cpu.h>
-
-.align 5
-.global invalidate_dcache
-.global l2_cache_enable
-.global l2_cache_disable
-
-/*
- * invalidate_dcache()
- * Invalidate the whole D-cache.
- *
- * Corrupted registers: r0-r5, r7, r9-r11
- */
-invalidate_dcache:
- stmfd r13!, {r0 - r5, r7, r9 - r12, r14}
-
- cmp r0, #0xC100 @ check if the cpu is s5pc100
-
- beq finished_inval @ s5pc100 doesn't need this
- @ routine
- mrc p15, 1, r0, c0, c0, 1 @ read clidr
- ands r3, r0, #0x7000000 @ extract loc from clidr
- mov r3, r3, lsr #23 @ left align loc bit field
- beq finished_inval @ if loc is 0, then no need to
- @ clean
- mov r10, #0 @ start clean at cache level 0
-inval_loop1:
- add r2, r10, r10, lsr #1 @ work out 3x current cache
- @ level
- mov r1, r0, lsr r2 @ extract cache type bits from
- @ clidr
- and r1, r1, #7 @ mask of the bits for current
- @ cache only
- cmp r1, #2 @ see what cache we have at
- @ this level
- blt skip_inval @ skip if no cache, or just
- @ i-cache
- mcr p15, 2, r10, c0, c0, 0 @ select current cache level
- @ in cssr
- mov r2, #0 @ operand for mcr SBZ
- mcr p15, 0, r2, c7, c5, 4 @ flush prefetch buffer to
- @ sych the new cssr&csidr,
- @ with armv7 this is 'isb',
- @ but we compile with armv5
- mrc p15, 1, r1, c0, c0, 0 @ read the new csidr
- and r2, r1, #7 @ extract the length of the
- @ cache lines
- add r2, r2, #4 @ add 4 (line length offset)
- ldr r4, =0x3ff
- ands r4, r4, r1, lsr #3 @ find maximum number on the
- @ way size
- clz r5, r4 @ find bit position of way
- @ size increment
- ldr r7, =0x7fff
- ands r7, r7, r1, lsr #13 @ extract max number of the
- @ index size
-inval_loop2:
- mov r9, r4 @ create working copy of max
- @ way size
-inval_loop3:
- orr r11, r10, r9, lsl r5 @ factor way and cache number
- @ into r11
- orr r11, r11, r7, lsl r2 @ factor index number into r11
- mcr p15, 0, r11, c7, c6, 2 @ invalidate by set/way
- subs r9, r9, #1 @ decrement the way
- bge inval_loop3
- subs r7, r7, #1 @ decrement the index
- bge inval_loop2
-skip_inval:
- add r10, r10, #2 @ increment cache number
- cmp r3, r10
- bgt inval_loop1
-finished_inval:
- mov r10, #0 @ swith back to cache level 0
- mcr p15, 2, r10, c0, c0, 0 @ select current cache level
- @ in cssr
- mcr p15, 0, r10, c7, c5, 4 @ flush prefetch buffer,
- @ with armv7 this is 'isb',
- @ but we compile with armv5
-
- ldmfd r13!, {r0 - r5, r7, r9 - r12, pc}
-
-l2_cache_enable:
- push {r0, r1, r2, lr}
- mrc 15, 0, r3, cr1, cr0, 1
- orr r3, r3, #2
- mcr 15, 0, r3, cr1, cr0, 1
- pop {r1, r2, r3, pc}
-
-l2_cache_disable:
- push {r0, r1, r2, lr}
- mrc 15, 0, r3, cr1, cr0, 1
- bic r3, r3, #2
- mcr 15, 0, r3, cr1, cr0, 1
- pop {r1, r2, r3, pc}
+++ /dev/null
-/*
- * Copyright (C) 2009 Samsung Electronics
- * Minkyu Kang <mk7.kang@samsung.com>
- * Heungjun Kim <riverful.kim@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/clk.h>
-
-#define CLK_M 0
-#define CLK_D 1
-#define CLK_P 2
-
-#ifndef CONFIG_SYS_CLK_FREQ_C100
-#define CONFIG_SYS_CLK_FREQ_C100 12000000
-#endif
-#ifndef CONFIG_SYS_CLK_FREQ_C110
-#define CONFIG_SYS_CLK_FREQ_C110 24000000
-#endif
-
-unsigned long (*get_pclk)(void);
-unsigned long (*get_arm_clk)(void);
-unsigned long (*get_pll_clk)(int);
-
-/* s5pc110: return pll clock frequency */
-static unsigned long s5pc100_get_pll_clk(int pllreg)
-{
- struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long r, m, p, s, mask, fout;
- unsigned int freq;
-
- switch (pllreg) {
- case APLL:
- r = readl(&clk->apll_con);
- break;
- case MPLL:
- r = readl(&clk->mpll_con);
- break;
- case EPLL:
- r = readl(&clk->epll_con);
- break;
- case HPLL:
- r = readl(&clk->hpll_con);
- break;
- default:
- printf("Unsupported PLL (%d)\n", pllreg);
- return 0;
- }
-
- /*
- * APLL_CON: MIDV [25:16]
- * MPLL_CON: MIDV [23:16]
- * EPLL_CON: MIDV [23:16]
- * HPLL_CON: MIDV [23:16]
- */
- if (pllreg == APLL)
- mask = 0x3ff;
- else
- mask = 0x0ff;
-
- m = (r >> 16) & mask;
-
- /* PDIV [13:8] */
- p = (r >> 8) & 0x3f;
- /* SDIV [2:0] */
- s = r & 0x7;
-
- /* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */
- freq = CONFIG_SYS_CLK_FREQ_C100;
- fout = m * (freq / (p * (1 << s)));
-
- return fout;
-}
-
-/* s5pc100: return pll clock frequency */
-static unsigned long s5pc110_get_pll_clk(int pllreg)
-{
- struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long r, m, p, s, mask, fout;
- unsigned int freq;
-
- switch (pllreg) {
- case APLL:
- r = readl(&clk->apll_con);
- break;
- case MPLL:
- r = readl(&clk->mpll_con);
- break;
- case EPLL:
- r = readl(&clk->epll_con);
- break;
- case VPLL:
- r = readl(&clk->vpll_con);
- break;
- default:
- printf("Unsupported PLL (%d)\n", pllreg);
- return 0;
- }
-
- /*
- * APLL_CON: MIDV [25:16]
- * MPLL_CON: MIDV [25:16]
- * EPLL_CON: MIDV [24:16]
- * VPLL_CON: MIDV [24:16]
- */
- if (pllreg == APLL || pllreg == MPLL)
- mask = 0x3ff;
- else
- mask = 0x1ff;
-
- m = (r >> 16) & mask;
-
- /* PDIV [13:8] */
- p = (r >> 8) & 0x3f;
- /* SDIV [2:0] */
- s = r & 0x7;
-
- freq = CONFIG_SYS_CLK_FREQ_C110;
- if (pllreg == APLL) {
- if (s < 1)
- s = 1;
- /* FOUT = MDIV * FIN / (PDIV * 2^(SDIV - 1)) */
- fout = m * (freq / (p * (1 << (s - 1))));
- } else
- /* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */
- fout = m * (freq / (p * (1 << s)));
-
- return fout;
-}
-
-/* s5pc110: return ARM clock frequency */
-static unsigned long s5pc110_get_arm_clk(void)
-{
- struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long div;
- unsigned long dout_apll, armclk;
- unsigned int apll_ratio;
-
- div = readl(&clk->div0);
-
- /* APLL_RATIO: [2:0] */
- apll_ratio = div & 0x7;
-
- dout_apll = get_pll_clk(APLL) / (apll_ratio + 1);
- armclk = dout_apll;
-
- return armclk;
-}
-
-/* s5pc100: return ARM clock frequency */
-static unsigned long s5pc100_get_arm_clk(void)
-{
- struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long div;
- unsigned long dout_apll, armclk;
- unsigned int apll_ratio, arm_ratio;
-
- div = readl(&clk->div0);
-
- /* ARM_RATIO: [6:4] */
- arm_ratio = (div >> 4) & 0x7;
- /* APLL_RATIO: [0] */
- apll_ratio = div & 0x1;
-
- dout_apll = get_pll_clk(APLL) / (apll_ratio + 1);
- armclk = dout_apll / (arm_ratio + 1);
-
- return armclk;
-}
-
-/* s5pc100: return HCLKD0 frequency */
-static unsigned long get_hclk(void)
-{
- struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long hclkd0;
- uint div, d0_bus_ratio;
-
- div = readl(&clk->div0);
- /* D0_BUS_RATIO: [10:8] */
- d0_bus_ratio = (div >> 8) & 0x7;
-
- hclkd0 = get_arm_clk() / (d0_bus_ratio + 1);
-
- return hclkd0;
-}
-
-/* s5pc100: return PCLKD1 frequency */
-static unsigned long get_pclkd1(void)
-{
- struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long d1_bus, pclkd1;
- uint div, d1_bus_ratio, pclkd1_ratio;
-
- div = readl(&clk->div0);
- /* D1_BUS_RATIO: [14:12] */
- d1_bus_ratio = (div >> 12) & 0x7;
- /* PCLKD1_RATIO: [18:16] */
- pclkd1_ratio = (div >> 16) & 0x7;
-
- /* ASYNC Mode */
- d1_bus = get_pll_clk(MPLL) / (d1_bus_ratio + 1);
- pclkd1 = d1_bus / (pclkd1_ratio + 1);
-
- return pclkd1;
-}
-
-/* s5pc110: return HCLKs frequency */
-static unsigned long get_hclk_sys(int dom)
-{
- struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long hclk;
- unsigned int div;
- unsigned int offset;
- unsigned int hclk_sys_ratio;
-
- if (dom == CLK_M)
- return get_hclk();
-
- div = readl(&clk->div0);
-
- /*
- * HCLK_MSYS_RATIO: [10:8]
- * HCLK_DSYS_RATIO: [19:16]
- * HCLK_PSYS_RATIO: [27:24]
- */
- offset = 8 + (dom << 0x3);
-
- hclk_sys_ratio = (div >> offset) & 0xf;
-
- hclk = get_pll_clk(MPLL) / (hclk_sys_ratio + 1);
-
- return hclk;
-}
-
-/* s5pc110: return PCLKs frequency */
-static unsigned long get_pclk_sys(int dom)
-{
- struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long pclk;
- unsigned int div;
- unsigned int offset;
- unsigned int pclk_sys_ratio;
-
- div = readl(&clk->div0);
-
- /*
- * PCLK_MSYS_RATIO: [14:12]
- * PCLK_DSYS_RATIO: [22:20]
- * PCLK_PSYS_RATIO: [30:28]
- */
- offset = 12 + (dom << 0x3);
-
- pclk_sys_ratio = (div >> offset) & 0x7;
-
- pclk = get_hclk_sys(dom) / (pclk_sys_ratio + 1);
-
- return pclk;
-}
-
-/* s5pc110: return peripheral clock frequency */
-static unsigned long s5pc110_get_pclk(void)
-{
- return get_pclk_sys(CLK_P);
-}
-
-/* s5pc100: return peripheral clock frequency */
-static unsigned long s5pc100_get_pclk(void)
-{
- return get_pclkd1();
-}
-
-void s5pc1xx_clock_init(void)
-{
- if (cpu_is_s5pc110()) {
- get_pll_clk = s5pc110_get_pll_clk;
- get_arm_clk = s5pc110_get_arm_clk;
- get_pclk = s5pc110_get_pclk;
- } else {
- get_pll_clk = s5pc100_get_pll_clk;
- get_arm_clk = s5pc100_get_arm_clk;
- get_pclk = s5pc100_get_pclk;
- }
-}
+++ /dev/null
-/*
- * Copyright (C) 2009 Samsung Electronics
- * Minkyu Kang <mk7.kang@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clk.h>
-
-/* Default is s5pc100 */
-unsigned int s5pc1xx_cpu_id = 0xC100;
-
-#ifdef CONFIG_ARCH_CPU_INIT
-int arch_cpu_init(void)
-{
- s5pc1xx_cpu_id = readl(S5PC1XX_PRO_ID);
- s5pc1xx_cpu_id = 0xC000 | ((s5pc1xx_cpu_id & 0x00FFF000) >> 12);
-
- s5pc1xx_clock_init();
-
- return 0;
-}
-#endif
-
-u32 get_device_type(void)
-{
- return s5pc1xx_cpu_id;
-}
-
-#ifdef CONFIG_DISPLAY_CPUINFO
-int print_cpuinfo(void)
-{
- char buf[32];
-
- printf("CPU:\tS5P%X@%sMHz\n",
- s5pc1xx_cpu_id, strmhz(buf, get_arm_clk()));
-
- return 0;
-}
-#endif
+++ /dev/null
-/*
- * Copyright (c) 2009 Samsung Electronics.
- * Minkyu Kang <mk7.kang@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <asm/arch/cpu.h>
-
-#define S5PC100_SWRESET 0xE0200000
-#define S5PC110_SWRESET 0xE0102000
-
-.globl reset_cpu
-reset_cpu:
- ldr r1, =S5PC1XX_PRO_ID
- ldr r2, [r1]
- ldr r4, =0x00010000
- and r4, r2, r4
- cmp r4, #0
- bne 110f
- /* S5PC100 */
- ldr r1, =S5PC100_SWRESET
- ldr r2, =0xC100
- b 200f
-110: /* S5PC110 */
- ldr r1, =S5PC110_SWRESET
- mov r2, #1
-200:
- str r2, [r1]
-_loop_forever:
- b _loop_forever
+++ /dev/null
-/*
- * Copyright (C) 2010 Samsung Electronics
- * Naveen Krishna Ch <ch.naveen@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/smc.h>
-
-/*
- * s5pc1xx_config_sromc() - select the proper SROMC Bank and configure the
- * band width control and bank control registers
- * srom_bank - SROM Bank 0 to 5
- * smc_bw_conf - SMC Band witdh reg configuration value
- * smc_bc_conf - SMC Bank Control reg configuration value
- */
-void s5pc1xx_config_sromc(u32 srom_bank, u32 smc_bw_conf, u32 smc_bc_conf)
-{
- u32 tmp;
- struct s5pc1xx_smc *srom;
-
- if (cpu_is_s5pc100())
- srom = (struct s5pc1xx_smc *)S5PC100_SROMC_BASE;
- else
- srom = (struct s5pc1xx_smc *)S5PC110_SROMC_BASE;
-
- /* Configure SMC_BW register to handle proper SROMC bank */
- tmp = srom->bw;
- tmp &= ~(0xF << (srom_bank * 4));
- tmp |= smc_bw_conf;
- srom->bw = tmp;
-
- /* Configure SMC_BC register */
- srom->bc[srom_bank] = smc_bc_conf;
-}
+++ /dev/null
-/*
- * Copyright (C) 2009 Samsung Electronics
- * Heungjun Kim <riverful.kim@samsung.com>
- * Inki Dae <inki.dae@samsung.com>
- * Minkyu Kang <mk7.kang@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/pwm.h>
-#include <asm/arch/clk.h>
-
-#define PRESCALER_1 (16 - 1) /* prescaler of timer 2, 3, 4 */
-#define MUX_DIV_2 1 /* 1/2 period */
-#define MUX_DIV_4 2 /* 1/4 period */
-#define MUX_DIV_8 3 /* 1/8 period */
-#define MUX_DIV_16 4 /* 1/16 period */
-#define MUX4_DIV_SHIFT 16
-
-#define TCON_TIMER4_SHIFT 20
-
-static unsigned long count_value;
-
-/* Internal tick units */
-static unsigned long long timestamp; /* Monotonic incrementing timer */
-static unsigned long lastdec; /* Last decremneter snapshot */
-
-/* macro to read the 16 bit timer */
-static inline struct s5pc1xx_timer *s5pc1xx_get_base_timer(void)
-{
- if (cpu_is_s5pc110())
- return (struct s5pc1xx_timer *)S5PC110_TIMER_BASE;
- else
- return (struct s5pc1xx_timer *)S5PC100_TIMER_BASE;
-}
-
-int timer_init(void)
-{
- struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer();
- u32 val;
-
- /*
- * @ PWM Timer 4
- * Timer Freq(HZ) =
- * PCLK / { (prescaler_value + 1) * (divider_value) }
- */
-
- /* set prescaler : 16 */
- /* set divider : 2 */
- writel((PRESCALER_1 & 0xff) << 8, &timer->tcfg0);
- writel((MUX_DIV_2 & 0xf) << MUX4_DIV_SHIFT, &timer->tcfg1);
-
- if (count_value == 0) {
- /* reset initial value */
- /* count_value = 2085937.5(HZ) (per 1 sec)*/
- count_value = get_pclk() / ((PRESCALER_1 + 1) *
- (MUX_DIV_2 + 1));
-
- /* count_value / 100 = 20859.375(HZ) (per 10 msec) */
- count_value = count_value / 100;
- }
-
- /* set count value */
- writel(count_value, &timer->tcntb4);
- lastdec = count_value;
-
- val = (readl(&timer->tcon) & ~(0x07 << TCON_TIMER4_SHIFT)) |
- S5PC1XX_TCON4_AUTO_RELOAD;
-
- /* auto reload & manual update */
- writel(val | S5PC1XX_TCON4_UPDATE, &timer->tcon);
-
- /* start PWM timer 4 */
- writel(val | S5PC1XX_TCON4_START, &timer->tcon);
-
- timestamp = 0;
-
- return 0;
-}
-
-/*
- * timer without interrupts
- */
-void reset_timer(void)
-{
- reset_timer_masked();
-}
-
-unsigned long get_timer(unsigned long base)
-{
- return get_timer_masked() - base;
-}
-
-void set_timer(unsigned long t)
-{
- timestamp = t;
-}
-
-/* delay x useconds */
-void __udelay(unsigned long usec)
-{
- unsigned long tmo, tmp;
-
- if (usec >= 1000) {
- /*
- * if "big" number, spread normalization
- * to seconds
- * 1. start to normalize for usec to ticks per sec
- * 2. find number of "ticks" to wait to achieve target
- * 3. finish normalize.
- */
- tmo = usec / 1000;
- tmo *= (CONFIG_SYS_HZ * count_value / 10);
- tmo /= 1000;
- } else {
- /* else small number, don't kill it prior to HZ multiply */
- tmo = usec * CONFIG_SYS_HZ * count_value / 10;
- tmo /= (1000 * 1000);
- }
-
- /* get current timestamp */
- tmp = get_timer(0);
-
- /* if setting this fordward will roll time stamp */
- /* reset "advancing" timestamp to 0, set lastdec value */
- /* else, set advancing stamp wake up time */
- if ((tmo + tmp + 1) < tmp)
- reset_timer_masked();
- else
- tmo += tmp;
-
- /* loop till event */
- while (get_timer_masked() < tmo)
- ; /* nop */
-}
-
-void reset_timer_masked(void)
-{
- struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer();
-
- /* reset time */
- lastdec = readl(&timer->tcnto4);
- timestamp = 0;
-}
-
-unsigned long get_timer_masked(void)
-{
- struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer();
- unsigned long now = readl(&timer->tcnto4);
-
- if (lastdec >= now)
- timestamp += lastdec - now;
- else
- timestamp += lastdec + count_value - now;
-
- lastdec = now;
-
- return timestamp;
-}
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
- return get_timer(0);
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-unsigned long get_tbclk(void)
-{
- return CONFIG_SYS_HZ;
-}
+++ /dev/null
-/*
- * armboot - Startup Code for OMAP3530/ARM Cortex CPU-core
- *
- * Copyright (c) 2004 Texas Instruments <r-woodruff2@ti.com>
- *
- * Copyright (c) 2001 Marius Gröger <mag@sysgo.de>
- * Copyright (c) 2002 Alex Züpke <azu@sysgo.de>
- * Copyright (c) 2002 Gary Jennejohn <garyj@denx.de>
- * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com>
- * Copyright (c) 2003 Kshitij <kshitij@ti.com>
- * Copyright (c) 2006-2008 Syed Mohammed Khasim <x0khasim@ti.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <config.h>
-#include <version.h>
-
-.globl _start
-_start: b reset
- ldr pc, _undefined_instruction
- ldr pc, _software_interrupt
- ldr pc, _prefetch_abort
- ldr pc, _data_abort
- ldr pc, _not_used
- ldr pc, _irq
- ldr pc, _fiq
-
-_undefined_instruction: .word undefined_instruction
-_software_interrupt: .word software_interrupt
-_prefetch_abort: .word prefetch_abort
-_data_abort: .word data_abort
-_not_used: .word not_used
-_irq: .word irq
-_fiq: .word fiq
-_pad: .word 0x12345678 /* now 16*4=64 */
-.global _end_vect
-_end_vect:
-
- .balignl 16,0xdeadbeef
-/*************************************************************************
- *
- * Startup Code (reset vector)
- *
- * do important init only if we don't start from memory!
- * setup Memory and board specific bits prior to relocation.
- * relocate armboot to ram
- * setup stack
- *
- *************************************************************************/
-
-_TEXT_BASE:
- .word TEXT_BASE
-
-.globl _armboot_start
-_armboot_start:
- .word _start
-
-/*
- * These are defined in the board-specific linker script.
- */
-.globl _bss_start
-_bss_start:
- .word __bss_start
-
-.globl _bss_end
-_bss_end:
- .word _end
-
-#ifdef CONFIG_USE_IRQ
-/* IRQ stack memory (calculated at run-time) */
-.globl IRQ_STACK_START
-IRQ_STACK_START:
- .word 0x0badc0de
-
-/* IRQ stack memory (calculated at run-time) */
-.globl FIQ_STACK_START
-FIQ_STACK_START:
- .word 0x0badc0de
-#endif
-
-/*
- * the actual reset code
- */
-
-reset:
- /*
- * set the cpu to SVC32 mode
- */
- mrs r0, cpsr
- bic r0, r0, #0x1f
- orr r0, r0, #0xd3
- msr cpsr,r0
-
-#if (CONFIG_OMAP34XX)
- /* Copy vectors to mask ROM indirect addr */
- adr r0, _start @ r0 <- current position of code
- add r0, r0, #4 @ skip reset vector
- mov r2, #64 @ r2 <- size to copy
- add r2, r0, r2 @ r2 <- source end address
- mov r1, #SRAM_OFFSET0 @ build vect addr
- mov r3, #SRAM_OFFSET1
- add r1, r1, r3
- mov r3, #SRAM_OFFSET2
- add r1, r1, r3
-next:
- ldmia r0!, {r3 - r10} @ copy from source address [r0]
- stmia r1!, {r3 - r10} @ copy to target address [r1]
- cmp r0, r2 @ until source end address [r2]
- bne next @ loop until equal */
-#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_ONENAND_BOOT)
- /* No need to copy/exec the clock code - DPLL adjust already done
- * in NAND/oneNAND Boot.
- */
- bl cpy_clk_code @ put dpll adjust code behind vectors
-#endif /* NAND Boot */
-#endif
- /* the mask ROM code should have PLL and others stable */
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
- bl cpu_init_crit
-#endif
-
-#ifndef CONFIG_SKIP_RELOCATE_UBOOT
-relocate: @ relocate U-Boot to RAM
- adr r0, _start @ r0 <- current position of code
- ldr r1, _TEXT_BASE @ test if we run from flash or RAM
- cmp r0, r1 @ don't reloc during debug
- beq stack_setup
-
- ldr r2, _armboot_start
- ldr r3, _bss_start
- sub r2, r3, r2 @ r2 <- size of armboot
- add r2, r0, r2 @ r2 <- source end address
-
-copy_loop: @ copy 32 bytes at a time
- ldmia r0!, {r3 - r10} @ copy from source address [r0]
- stmia r1!, {r3 - r10} @ copy to target address [r1]
- cmp r0, r2 @ until source end addreee [r2]
- ble copy_loop
-#endif /* CONFIG_SKIP_RELOCATE_UBOOT */
-
- /* Set up the stack */
-stack_setup:
- ldr r0, _TEXT_BASE @ upper 128 KiB: relocated uboot
- sub r0, r0, #CONFIG_SYS_MALLOC_LEN @ malloc area
- sub r0, r0, #CONFIG_SYS_GBL_DATA_SIZE @ bdinfo
-#ifdef CONFIG_USE_IRQ
- sub r0, r0, #(CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ)
-#endif
- sub sp, r0, #12 @ leave 3 words for abort-stack
- bic sp, sp, #7 @ 8-byte alignment for ABI compliance
-
- /* Clear BSS (if any). Is below tx (watch load addr - need space) */
-clear_bss:
- ldr r0, _bss_start @ find start of bss segment
- ldr r1, _bss_end @ stop here
- mov r2, #0x00000000 @ clear value
-clbss_l:
- str r2, [r0] @ clear BSS location
- cmp r0, r1 @ are we at the end yet
- add r0, r0, #4 @ increment clear index pointer
- bne clbss_l @ keep clearing till at end
-
- ldr pc, _start_armboot @ jump to C code
-
-_start_armboot: .word start_armboot
-
-
-/*************************************************************************
- *
- * CPU_init_critical registers
- *
- * setup important registers
- * setup memory timing
- *
- *************************************************************************/
-cpu_init_crit:
- /*
- * Invalidate L1 I/D
- */
- mov r0, #0 @ set up for MCR
- mcr p15, 0, r0, c8, c7, 0 @ invalidate TLBs
- mcr p15, 0, r0, c7, c5, 0 @ invalidate icache
-
- /*
- * disable MMU stuff and caches
- */
- mrc p15, 0, r0, c1, c0, 0
- bic r0, r0, #0x00002000 @ clear bits 13 (--V-)
- bic r0, r0, #0x00000007 @ clear bits 2:0 (-CAM)
- orr r0, r0, #0x00000002 @ set bit 1 (--A-) Align
- orr r0, r0, #0x00000800 @ set bit 12 (Z---) BTB
- mcr p15, 0, r0, c1, c0, 0
-
- /*
- * Jump to board specific initialization...
- * The Mask ROM will have already initialized
- * basic memory. Go here to bump up clock rate and handle
- * wake up conditions.
- */
- mov ip, lr @ persevere link reg across call
- bl lowlevel_init @ go setup pll,mux,memory
- mov lr, ip @ restore link
- mov pc, lr @ back to my caller
-/*
- *************************************************************************
- *
- * Interrupt handling
- *
- *************************************************************************
- */
-@
-@ IRQ stack frame.
-@
-#define S_FRAME_SIZE 72
-
-#define S_OLD_R0 68
-#define S_PSR 64
-#define S_PC 60
-#define S_LR 56
-#define S_SP 52
-
-#define S_IP 48
-#define S_FP 44
-#define S_R10 40
-#define S_R9 36
-#define S_R8 32
-#define S_R7 28
-#define S_R6 24
-#define S_R5 20
-#define S_R4 16
-#define S_R3 12
-#define S_R2 8
-#define S_R1 4
-#define S_R0 0
-
-#define MODE_SVC 0x13
-#define I_BIT 0x80
-
-/*
- * use bad_save_user_regs for abort/prefetch/undef/swi ...
- * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling
- */
-
- .macro bad_save_user_regs
- sub sp, sp, #S_FRAME_SIZE @ carve out a frame on current
- @ user stack
- stmia sp, {r0 - r12} @ Save user registers (now in
- @ svc mode) r0-r12
-
- ldr r2, _armboot_start
- sub r2, r2, #(CONFIG_SYS_MALLOC_LEN)
- sub r2, r2, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ set base 2 words into abort
- @ stack
- ldmia r2, {r2 - r3} @ get values for "aborted" pc
- @ and cpsr (into parm regs)
- add r0, sp, #S_FRAME_SIZE @ grab pointer to old stack
-
- add r5, sp, #S_SP
- mov r1, lr
- stmia r5, {r0 - r3} @ save sp_SVC, lr_SVC, pc, cpsr
- mov r0, sp @ save current stack into r0
- @ (param register)
- .endm
-
- .macro irq_save_user_regs
- sub sp, sp, #S_FRAME_SIZE
- stmia sp, {r0 - r12} @ Calling r0-r12
- add r8, sp, #S_PC @ !! R8 NEEDS to be saved !!
- @ a reserved stack spot would
- @ be good.
- stmdb r8, {sp, lr}^ @ Calling SP, LR
- str lr, [r8, #0] @ Save calling PC
- mrs r6, spsr
- str r6, [r8, #4] @ Save CPSR
- str r0, [r8, #8] @ Save OLD_R0
- mov r0, sp
- .endm
-
- .macro irq_restore_user_regs
- ldmia sp, {r0 - lr}^ @ Calling r0 - lr
- mov r0, r0
- ldr lr, [sp, #S_PC] @ Get PC
- add sp, sp, #S_FRAME_SIZE
- subs pc, lr, #4 @ return & move spsr_svc into
- @ cpsr
- .endm
-
- .macro get_bad_stack
- ldr r13, _armboot_start @ setup our mode stack (enter
- @ in banked mode)
- sub r13, r13, #(CONFIG_SYS_MALLOC_LEN) @ move past malloc pool
- sub r13, r13, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ move to reserved a couple
- @ spots for abort stack
-
- str lr, [r13] @ save caller lr in position 0
- @ of saved stack
- mrs lr, spsr @ get the spsr
- str lr, [r13, #4] @ save spsr in position 1 of
- @ saved stack
-
- mov r13, #MODE_SVC @ prepare SVC-Mode
- @ msr spsr_c, r13
- msr spsr, r13 @ switch modes, make sure
- @ moves will execute
- mov lr, pc @ capture return pc
- movs pc, lr @ jump to next instruction &
- @ switch modes.
- .endm
-
- .macro get_bad_stack_swi
- sub r13, r13, #4 @ space on current stack for
- @ scratch reg.
- str r0, [r13] @ save R0's value.
- ldr r0, _armboot_start @ get data regions start
- sub r0, r0, #(CONFIG_SYS_MALLOC_LEN) @ move past malloc pool
- sub r0, r0, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ move past gbl and a couple
- @ spots for abort stack
- str lr, [r0] @ save caller lr in position 0
- @ of saved stack
- mrs r0, spsr @ get the spsr
- str lr, [r0, #4] @ save spsr in position 1 of
- @ saved stack
- ldr r0, [r13] @ restore r0
- add r13, r13, #4 @ pop stack entry
- .endm
-
- .macro get_irq_stack @ setup IRQ stack
- ldr sp, IRQ_STACK_START
- .endm
-
- .macro get_fiq_stack @ setup FIQ stack
- ldr sp, FIQ_STACK_START
- .endm
-
-/*
- * exception handlers
- */
- .align 5
-undefined_instruction:
- get_bad_stack
- bad_save_user_regs
- bl do_undefined_instruction
-
- .align 5
-software_interrupt:
- get_bad_stack_swi
- bad_save_user_regs
- bl do_software_interrupt
-
- .align 5
-prefetch_abort:
- get_bad_stack
- bad_save_user_regs
- bl do_prefetch_abort
-
- .align 5
-data_abort:
- get_bad_stack
- bad_save_user_regs
- bl do_data_abort
-
- .align 5
-not_used:
- get_bad_stack
- bad_save_user_regs
- bl do_not_used
-
-#ifdef CONFIG_USE_IRQ
-
- .align 5
-irq:
- get_irq_stack
- irq_save_user_regs
- bl do_irq
- irq_restore_user_regs
-
- .align 5
-fiq:
- get_fiq_stack
- /* someone ought to write a more effective fiq_save_user_regs */
- irq_save_user_regs
- bl do_fiq
- irq_restore_user_regs
-
-#else
-
- .align 5
-irq:
- get_bad_stack
- bad_save_user_regs
- bl do_irq
-
- .align 5
-fiq:
- get_bad_stack
- bad_save_user_regs
- bl do_fiq
-
-#endif
+++ /dev/null
-/*
- * January 2004 - Changed to support H4 device
- * Copyright (c) 2004-2008 Texas Instruments
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
-OUTPUT_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
-
- . = ALIGN(4);
- .text :
- {
- arch/arm/cpu/arm_cortexa8/start.o (.text)
- *(.text)
- }
-
- . = ALIGN(4);
- .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
-
- . = ALIGN(4);
- .data : { *(.data) }
-
- . = ALIGN(4);
- .got : { *(.got) }
-
- __u_boot_cmd_start = .;
- .u_boot_cmd : { *(.u_boot_cmd) }
- __u_boot_cmd_end = .;
-
- . = ALIGN(4);
- __bss_start = .;
- .bss : { *(.bss) }
- _end = .;
-}
--- /dev/null
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(CPU).a
+
+START := start.o
+COBJS := cpu.o
+
+SRCS := $(START:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+START := $(addprefix $(obj),$(START))
+
+all: $(obj).depend $(START) $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
\ No newline at end of file
--- /dev/null
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
+
+# Make ARMv5 to allow more compilers to work, even though its v7a.
+PLATFORM_CPPFLAGS += -march=armv5
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,\
+ $(call cc-option,-malignment-traps,))
--- /dev/null
+/*
+ * (C) Copyright 2008 Texas Insturments
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * CPU specific code
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/system.h>
+#include <asm/cache.h>
+#ifndef CONFIG_L2_OFF
+#include <asm/arch/sys_proto.h>
+#endif
+
+static void cache_flush(void);
+
+int cleanup_before_linux(void)
+{
+ unsigned int i;
+
+ /*
+ * this function is called just before we call linux
+ * it prepares the processor for linux
+ *
+ * we turn off caches etc ...
+ */
+ disable_interrupts();
+
+ /* turn off I/D-cache */
+ icache_disable();
+ dcache_disable();
+
+ /* invalidate I-cache */
+ cache_flush();
+
+#ifndef CONFIG_L2_OFF
+ /* turn off L2 cache */
+ l2_cache_disable();
+ /* invalidate L2 cache also */
+ invalidate_dcache(get_device_type());
+#endif
+ i = 0;
+ /* mem barrier to sync up things */
+ asm("mcr p15, 0, %0, c7, c10, 4": :"r"(i));
+
+#ifndef CONFIG_L2_OFF
+ l2_cache_enable();
+#endif
+
+ return 0;
+}
+
+static void cache_flush(void)
+{
+ asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (0));
+}
--- /dev/null
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2009 Freescale Semiconductor, Inc.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).a
+
+COBJS = soc.o clock.o iomux.o timer.o speed.o
+SOBJS = lowlevel_init.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/clock.h>
+
+enum pll_clocks {
+ PLL1_CLOCK = 0,
+ PLL2_CLOCK,
+ PLL3_CLOCK,
+ PLL_CLOCKS,
+};
+
+struct mxc_pll_reg *mxc_plls[PLL_CLOCKS] = {
+ [PLL1_CLOCK] = (struct mxc_pll_reg *)PLL1_BASE_ADDR,
+ [PLL2_CLOCK] = (struct mxc_pll_reg *)PLL2_BASE_ADDR,
+ [PLL3_CLOCK] = (struct mxc_pll_reg *)PLL3_BASE_ADDR,
+};
+
+struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
+
+/*
+ * Calculate the frequency of this pll.
+ */
+static u32 decode_pll(struct mxc_pll_reg *pll, u32 infreq)
+{
+ u32 mfi, mfn, mfd, pd;
+
+ mfn = __raw_readl(&pll->mfn);
+ mfd = __raw_readl(&pll->mfd) + 1;
+ mfi = __raw_readl(&pll->op);
+ pd = (mfi & 0xF) + 1;
+ mfi = (mfi >> 4) & 0xF;
+ mfi = (mfi >= 5) ? mfi : 5;
+
+ return ((4 * (infreq / 1000) * (mfi * mfd + mfn)) / (mfd * pd)) * 1000;
+}
+
+/*
+ * Get mcu main rate
+ */
+u32 get_mcu_main_clk(void)
+{
+ u32 reg, freq;
+
+ reg = (__raw_readl(&mxc_ccm->cacrr) & MXC_CCM_CACRR_ARM_PODF_MASK) >>
+ MXC_CCM_CACRR_ARM_PODF_OFFSET;
+ freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ);
+ return freq / (reg + 1);
+}
+
+/*
+ * Get the rate of peripheral's root clock.
+ */
+static u32 get_periph_clk(void)
+{
+ u32 reg;
+
+ reg = __raw_readl(&mxc_ccm->cbcdr);
+ if (!(reg & MXC_CCM_CBCDR_PERIPH_CLK_SEL))
+ return decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_MX51_HCLK_FREQ);
+ reg = __raw_readl(&mxc_ccm->cbcmr);
+ switch ((reg & MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK) >>
+ MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET) {
+ case 0:
+ return decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ);
+ case 1:
+ return decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_MX51_HCLK_FREQ);
+ default:
+ return 0;
+ }
+ /* NOTREACHED */
+}
+
+/*
+ * Get the rate of ipg clock.
+ */
+static u32 get_ipg_clk(void)
+{
+ u32 ahb_podf, ipg_podf;
+
+ ahb_podf = __raw_readl(&mxc_ccm->cbcdr);
+ ipg_podf = (ahb_podf & MXC_CCM_CBCDR_IPG_PODF_MASK) >>
+ MXC_CCM_CBCDR_IPG_PODF_OFFSET;
+ ahb_podf = (ahb_podf & MXC_CCM_CBCDR_AHB_PODF_MASK) >>
+ MXC_CCM_CBCDR_AHB_PODF_OFFSET;
+ return get_periph_clk() / ((ahb_podf + 1) * (ipg_podf + 1));
+}
+
+/*
+ * Get the rate of ipg_per clock.
+ */
+static u32 get_ipg_per_clk(void)
+{
+ u32 pred1, pred2, podf;
+
+ if (__raw_readl(&mxc_ccm->cbcmr) & MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL)
+ return get_ipg_clk();
+ /* Fixme: not handle what about lpm*/
+ podf = __raw_readl(&mxc_ccm->cbcdr);
+ pred1 = (podf & MXC_CCM_CBCDR_PERCLK_PRED1_MASK) >>
+ MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET;
+ pred2 = (podf & MXC_CCM_CBCDR_PERCLK_PRED2_MASK) >>
+ MXC_CCM_CBCDR_PERCLK_PRED2_OFFSET;
+ podf = (podf & MXC_CCM_CBCDR_PERCLK_PODF_MASK) >>
+ MXC_CCM_CBCDR_PERCLK_PODF_OFFSET;
+
+ return get_periph_clk() / ((pred1 + 1) * (pred2 + 1) * (podf + 1));
+}
+
+/*
+ * Get the rate of uart clk.
+ */
+static u32 get_uart_clk(void)
+{
+ unsigned int freq, reg, pred, podf;
+
+ reg = __raw_readl(&mxc_ccm->cscmr1);
+ switch ((reg & MXC_CCM_CSCMR1_UART_CLK_SEL_MASK) >>
+ MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET) {
+ case 0x0:
+ freq = decode_pll(mxc_plls[PLL1_CLOCK],
+ CONFIG_MX51_HCLK_FREQ);
+ break;
+ case 0x1:
+ freq = decode_pll(mxc_plls[PLL2_CLOCK],
+ CONFIG_MX51_HCLK_FREQ);
+ break;
+ case 0x2:
+ freq = decode_pll(mxc_plls[PLL3_CLOCK],
+ CONFIG_MX51_HCLK_FREQ);
+ break;
+ default:
+ return 66500000;
+ }
+
+ reg = __raw_readl(&mxc_ccm->cscdr1);
+
+ pred = (reg & MXC_CCM_CSCDR1_UART_CLK_PRED_MASK) >>
+ MXC_CCM_CSCDR1_UART_CLK_PRED_OFFSET;
+
+ podf = (reg & MXC_CCM_CSCDR1_UART_CLK_PODF_MASK) >>
+ MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET;
+ freq /= (pred + 1) * (podf + 1);
+
+ return freq;
+}
+
+/*
+ * This function returns the low power audio clock.
+ */
+u32 get_lp_apm(void)
+{
+ u32 ret_val = 0;
+ u32 ccsr = __raw_readl(&mxc_ccm->ccsr);
+
+ if (((ccsr >> 9) & 1) == 0)
+ ret_val = CONFIG_MX51_HCLK_FREQ;
+ else
+ ret_val = ((32768 * 1024));
+
+ return ret_val;
+}
+
+/*
+ * get cspi clock rate.
+ */
+u32 imx_get_cspiclk(void)
+{
+ u32 ret_val = 0, pdf, pre_pdf, clk_sel;
+ u32 cscmr1 = __raw_readl(&mxc_ccm->cscmr1);
+ u32 cscdr2 = __raw_readl(&mxc_ccm->cscdr2);
+
+ pre_pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PRED_MASK) \
+ >> MXC_CCM_CSCDR2_CSPI_CLK_PRED_OFFSET;
+ pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PODF_MASK) \
+ >> MXC_CCM_CSCDR2_CSPI_CLK_PODF_OFFSET;
+ clk_sel = (cscmr1 & MXC_CCM_CSCMR1_CSPI_CLK_SEL_MASK) \
+ >> MXC_CCM_CSCMR1_CSPI_CLK_SEL_OFFSET;
+
+ switch (clk_sel) {
+ case 0:
+ ret_val = decode_pll(mxc_plls[PLL1_CLOCK],
+ CONFIG_MX51_HCLK_FREQ) /
+ ((pre_pdf + 1) * (pdf + 1));
+ break;
+ case 1:
+ ret_val = decode_pll(mxc_plls[PLL2_CLOCK],
+ CONFIG_MX51_HCLK_FREQ) /
+ ((pre_pdf + 1) * (pdf + 1));
+ break;
+ case 2:
+ ret_val = decode_pll(mxc_plls[PLL3_CLOCK],
+ CONFIG_MX51_HCLK_FREQ) /
+ ((pre_pdf + 1) * (pdf + 1));
+ break;
+ default:
+ ret_val = get_lp_apm() / ((pre_pdf + 1) * (pdf + 1));
+ break;
+ }
+
+ return ret_val;
+}
+
+/*
+ * The API of get mxc clockes.
+ */
+unsigned int mxc_get_clock(enum mxc_clock clk)
+{
+ switch (clk) {
+ case MXC_ARM_CLK:
+ return get_mcu_main_clk();
+ case MXC_AHB_CLK:
+ break;
+ case MXC_IPG_CLK:
+ return get_ipg_clk();
+ case MXC_IPG_PERCLK:
+ return get_ipg_per_clk();
+ case MXC_UART_CLK:
+ return get_uart_clk();
+ case MXC_CSPI_CLK:
+ return imx_get_cspiclk();
+ case MXC_FEC_CLK:
+ return decode_pll(mxc_plls[PLL1_CLOCK],
+ CONFIG_MX51_HCLK_FREQ);
+ default:
+ break;
+ }
+ return -1;
+}
+
+u32 imx_get_uartclk(void)
+{
+ return get_uart_clk();
+}
+
+
+u32 imx_get_fecclk(void)
+{
+ return mxc_get_clock(MXC_IPG_CLK);
+}
+
+/*
+ * Dump some core clockes.
+ */
+int do_mx51_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ u32 freq;
+
+ freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ);
+ printf("mx51 pll1: %dMHz\n", freq / 1000000);
+ freq = decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_MX51_HCLK_FREQ);
+ printf("mx51 pll2: %dMHz\n", freq / 1000000);
+ freq = decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_MX51_HCLK_FREQ);
+ printf("mx51 pll3: %dMHz\n", freq / 1000000);
+ printf("ipg clock : %dHz\n", mxc_get_clock(MXC_IPG_CLK));
+ printf("ipg per clock : %dHz\n", mxc_get_clock(MXC_IPG_PERCLK));
+
+ return 0;
+}
+
+/***************************************************/
+
+U_BOOT_CMD(
+ clockinfo, CONFIG_SYS_MAXARGS, 1, do_mx51_showclocks,
+ "display mx51 clocks\n",
+ ""
+);
--- /dev/null
+/*
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx51_pins.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/sys_proto.h>
+
+/* IOMUX register (base) addresses */
+enum iomux_reg_addr {
+ IOMUXGPR0 = IOMUXC_BASE_ADDR,
+ IOMUXGPR1 = IOMUXC_BASE_ADDR + 0x004,
+ IOMUXSW_MUX_CTL = IOMUXC_BASE_ADDR,
+ IOMUXSW_MUX_END = IOMUXC_BASE_ADDR + MUX_I_END,
+ IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + PAD_I_START,
+ IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR,
+};
+
+#define MUX_PIN_NUM_MAX (((MUX_I_END - MUX_I_START) >> 2) + 1)
+
+/* Get the iomux register address of this pin */
+static inline u32 get_mux_reg(iomux_pin_name_t pin)
+{
+ u32 mux_reg = PIN_TO_IOMUX_MUX(pin);
+
+ if (is_soc_rev(CHIP_REV_2_0) < 0) {
+ /*
+ * Fixup register address:
+ * i.MX51 TO1 has offset with the register
+ * which is define as TO2.
+ */
+ if ((pin == MX51_PIN_NANDF_RB5) ||
+ (pin == MX51_PIN_NANDF_RB6) ||
+ (pin == MX51_PIN_NANDF_RB7))
+ ; /* Do nothing */
+ else if (mux_reg >= 0x2FC)
+ mux_reg += 8;
+ else if (mux_reg >= 0x130)
+ mux_reg += 0xC;
+ }
+ mux_reg += IOMUXSW_MUX_CTL;
+ return mux_reg;
+}
+
+/* Get the pad register address of this pin */
+static inline u32 get_pad_reg(iomux_pin_name_t pin)
+{
+ u32 pad_reg = PIN_TO_IOMUX_PAD(pin);
+
+ if (is_soc_rev(CHIP_REV_2_0) < 0) {
+ /*
+ * Fixup register address:
+ * i.MX51 TO1 has offset with the register
+ * which is define as TO2.
+ */
+ if ((pin == MX51_PIN_NANDF_RB5) ||
+ (pin == MX51_PIN_NANDF_RB6) ||
+ (pin == MX51_PIN_NANDF_RB7))
+ ; /* Do nothing */
+ else if (pad_reg == 0x4D0 - PAD_I_START)
+ pad_reg += 0x4C;
+ else if (pad_reg == 0x860 - PAD_I_START)
+ pad_reg += 0x9C;
+ else if (pad_reg >= 0x804 - PAD_I_START)
+ pad_reg += 0xB0;
+ else if (pad_reg >= 0x7FC - PAD_I_START)
+ pad_reg += 0xB4;
+ else if (pad_reg >= 0x4E4 - PAD_I_START)
+ pad_reg += 0xCC;
+ else
+ pad_reg += 8;
+ }
+ pad_reg += IOMUXSW_PAD_CTL;
+ return pad_reg;
+}
+
+/* Get the last iomux register address */
+static inline u32 get_mux_end(void)
+{
+ if (is_soc_rev(CHIP_REV_2_0) < 0)
+ return IOMUXC_BASE_ADDR + (0x3F8 - 4);
+ else
+ return IOMUXC_BASE_ADDR + (0x3F0 - 4);
+}
+
+/*
+ * This function is used to configure a pin through the IOMUX module.
+ * @param pin a pin number as defined in iomux_pin_name_t
+ * @param cfg an output function as defined in iomux_pin_cfg_t
+ *
+ * @return 0 if successful; Non-zero otherwise
+ */
+static void iomux_config_mux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
+{
+ u32 mux_reg = get_mux_reg(pin);
+
+ if ((mux_reg > get_mux_end()) || (mux_reg < IOMUXSW_MUX_CTL))
+ return ;
+ if (cfg == IOMUX_CONFIG_GPIO)
+ writel(PIN_TO_ALT_GPIO(pin), mux_reg);
+ else
+ writel(cfg, mux_reg);
+}
+
+/*
+ * Request ownership for an IO pin. This function has to be the first one
+ * being called before that pin is used. The caller has to check the
+ * return value to make sure it returns 0.
+ *
+ * @param pin a name defined by iomux_pin_name_t
+ * @param cfg an input function as defined in iomux_pin_cfg_t
+ *
+ */
+void mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
+{
+ iomux_config_mux(pin, cfg);
+}
+
+/*
+ * Release ownership for an IO pin
+ *
+ * @param pin a name defined by iomux_pin_name_t
+ * @param cfg an input function as defined in iomux_pin_cfg_t
+ */
+void mxc_free_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
+{
+}
+
+/*
+ * This function configures the pad value for a IOMUX pin.
+ *
+ * @param pin a pin number as defined in iomux_pin_name_t
+ * @param config the ORed value of elements defined in iomux_pad_config_t
+ */
+void mxc_iomux_set_pad(iomux_pin_name_t pin, u32 config)
+{
+ u32 pad_reg = get_pad_reg(pin);
+ writel(config, pad_reg);
+}
+
+unsigned int mxc_iomux_get_pad(iomux_pin_name_t pin)
+{
+ u32 pad_reg = get_pad_reg(pin);
+ return readl(pad_reg);
+}
--- /dev/null
+/*
+ * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/asm-offsets.h>
+
+/*
+ * L2CC Cache setup/invalidation/disable
+ */
+.macro init_l2cc
+ /* explicitly disable L2 cache */
+ mrc 15, 0, r0, c1, c0, 1
+ bic r0, r0, #0x2
+ mcr 15, 0, r0, c1, c0, 1
+
+ /* reconfigure L2 cache aux control reg */
+ mov r0, #0xC0 /* tag RAM */
+ add r0, r0, #0x4 /* data RAM */
+ orr r0, r0, #(1 << 24) /* disable write allocate delay */
+ orr r0, r0, #(1 << 23) /* disable write allocate combine */
+ orr r0, r0, #(1 << 22) /* disable write allocate */
+
+ cmp r3, #0x10 /* r3 contains the silicon rev */
+
+ /* disable write combine for TO 2 and lower revs */
+ orrls r0, r0, #(1 << 25)
+
+ mcr 15, 1, r0, c9, c0, 2
+.endm /* init_l2cc */
+
+/* AIPS setup - Only setup MPROTx registers.
+ * The PACR default values are good.*/
+.macro init_aips
+ /*
+ * Set all MPROTx to be non-bufferable, trusted for R/W,
+ * not forced to user-mode.
+ */
+ ldr r0, =AIPS1_BASE_ADDR
+ ldr r1, =0x77777777
+ str r1, [r0, #0x0]
+ str r1, [r0, #0x4]
+ ldr r0, =AIPS2_BASE_ADDR
+ str r1, [r0, #0x0]
+ str r1, [r0, #0x4]
+ /*
+ * Clear the on and off peripheral modules Supervisor Protect bit
+ * for SDMA to access them. Did not change the AIPS control registers
+ * (offset 0x20) access type
+ */
+.endm /* init_aips */
+
+/* M4IF setup */
+.macro init_m4if
+ /* VPU and IPU given higher priority (0x4)
+ * IPU accesses with ID=0x1 given highest priority (=0xA)
+ */
+ ldr r0, =M4IF_BASE_ADDR
+
+ ldr r1, =0x00000203
+ str r1, [r0, #0x40]
+
+ ldr r1, =0x0
+ str r1, [r0, #0x44]
+
+ ldr r1, =0x00120125
+ str r1, [r0, #0x9C]
+
+ ldr r1, =0x001901A3
+ str r1, [r0, #0x48]
+
+.endm /* init_m4if */
+
+.macro setup_pll pll, freq
+ ldr r2, =\pll
+ ldr r1, =0x00001232
+ str r1, [r2, #PLL_DP_CTL] /* Set DPLL ON (set UPEN bit): BRMO=1 */
+ mov r1, #0x2
+ str r1, [r2, #PLL_DP_CONFIG] /* Enable auto-restart AREN bit */
+
+ str r3, [r2, #PLL_DP_OP]
+ str r3, [r2, #PLL_DP_HFS_OP]
+
+ str r4, [r2, #PLL_DP_MFD]
+ str r4, [r2, #PLL_DP_HFS_MFD]
+
+ str r5, [r2, #PLL_DP_MFN]
+ str r5, [r2, #PLL_DP_HFS_MFN]
+
+ ldr r1, =0x00001232
+ str r1, [r2, #PLL_DP_CTL]
+1: ldr r1, [r2, #PLL_DP_CTL]
+ ands r1, r1, #0x1
+ beq 1b
+.endm
+
+.macro init_clock
+ ldr r0, =CCM_BASE_ADDR
+
+ /* Gate of clocks to the peripherals first */
+ ldr r1, =0x3FFFFFFF
+ str r1, [r0, #CLKCTL_CCGR0]
+ ldr r1, =0x0
+ str r1, [r0, #CLKCTL_CCGR1]
+ str r1, [r0, #CLKCTL_CCGR2]
+ str r1, [r0, #CLKCTL_CCGR3]
+
+ ldr r1, =0x00030000
+ str r1, [r0, #CLKCTL_CCGR4]
+ ldr r1, =0x00FFF030
+ str r1, [r0, #CLKCTL_CCGR5]
+ ldr r1, =0x00000300
+ str r1, [r0, #CLKCTL_CCGR6]
+
+ /* Disable IPU and HSC dividers */
+ mov r1, #0x60000
+ str r1, [r0, #CLKCTL_CCDR]
+
+ /* Make sure to switch the DDR away from PLL 1 */
+ ldr r1, =0x19239145
+ str r1, [r0, #CLKCTL_CBCDR]
+ /* make sure divider effective */
+1: ldr r1, [r0, #CLKCTL_CDHIPR]
+ cmp r1, #0x0
+ bne 1b
+
+ /* Switch ARM to step clock */
+ mov r1, #0x4
+ str r1, [r0, #CLKCTL_CCSR]
+ mov r3, #DP_OP_800
+ mov r4, #DP_MFD_800
+ mov r5, #DP_MFN_800
+ setup_pll PLL1_BASE_ADDR
+
+ mov r3, #DP_OP_665
+ mov r4, #DP_MFD_665
+ mov r5, #DP_MFN_665
+ setup_pll PLL3_BASE_ADDR
+
+ /* Switch peripheral to PLL 3 */
+ ldr r0, =CCM_BASE_ADDR
+ ldr r1, =0x000010C0
+ orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
+ str r1, [r0, #CLKCTL_CBCMR]
+ ldr r1, =0x13239145
+ str r1, [r0, #CLKCTL_CBCDR]
+ mov r3, #DP_OP_665
+ mov r4, #DP_MFD_665
+ mov r5, #DP_MFN_665
+ setup_pll PLL2_BASE_ADDR
+
+ /* Switch peripheral to PLL2 */
+ ldr r0, =CCM_BASE_ADDR
+ ldr r1, =0x19239145
+ str r1, [r0, #CLKCTL_CBCDR]
+ ldr r1, =0x000020C0
+ orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
+ str r1, [r0, #CLKCTL_CBCMR]
+
+ mov r3, #DP_OP_216
+ mov r4, #DP_MFD_216
+ mov r5, #DP_MFN_216
+ setup_pll PLL3_BASE_ADDR
+
+
+ /* Set the platform clock dividers */
+ ldr r0, =ARM_BASE_ADDR
+ ldr r1, =0x00000725
+ str r1, [r0, #0x14]
+
+ ldr r0, =CCM_BASE_ADDR
+
+ /* Run 3.0 at Full speed, for other TO's wait till we increase VDDGP */
+ ldr r1, =0x0
+ ldr r3, [r1, #ROM_SI_REV]
+ cmp r3, #0x10
+ movls r1, #0x1
+ movhi r1, #0
+ str r1, [r0, #CLKCTL_CACRR]
+
+ /* Switch ARM back to PLL 1 */
+ mov r1, #0
+ str r1, [r0, #CLKCTL_CCSR]
+
+ /* setup the rest */
+ /* Use lp_apm (24MHz) source for perclk */
+ ldr r1, =0x000020C2
+ orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
+ str r1, [r0, #CLKCTL_CBCMR]
+ /* ddr clock from PLL 1, all perclk dividers are 1 since using 24MHz */
+ ldr r1, =CONFIG_SYS_CLKTL_CBCDR
+ str r1, [r0, #CLKCTL_CBCDR]
+
+ /* Restore the default values in the Gate registers */
+ ldr r1, =0xFFFFFFFF
+ str r1, [r0, #CLKCTL_CCGR0]
+ str r1, [r0, #CLKCTL_CCGR1]
+ str r1, [r0, #CLKCTL_CCGR2]
+ str r1, [r0, #CLKCTL_CCGR3]
+ str r1, [r0, #CLKCTL_CCGR4]
+ str r1, [r0, #CLKCTL_CCGR5]
+ str r1, [r0, #CLKCTL_CCGR6]
+
+ /* Use PLL 2 for UART's, get 66.5MHz from it */
+ ldr r1, =0xA5A2A020
+ str r1, [r0, #CLKCTL_CSCMR1]
+ ldr r1, =0x00C30321
+ str r1, [r0, #CLKCTL_CSCDR1]
+
+ /* make sure divider effective */
+1: ldr r1, [r0, #CLKCTL_CDHIPR]
+ cmp r1, #0x0
+ bne 1b
+
+ mov r1, #0x0
+ str r1, [r0, #CLKCTL_CCDR]
+
+ /* for cko - for ARM div by 8 */
+ mov r1, #0x000A0000
+ add r1, r1, #0x00000F0
+ str r1, [r0, #CLKCTL_CCOSR]
+.endm
+
+.macro setup_wdog
+ ldr r0, =WDOG1_BASE_ADDR
+ mov r1, #0x30
+ strh r1, [r0]
+.endm
+
+.section ".text.init", "x"
+
+.globl lowlevel_init
+lowlevel_init:
+ ldr r0, =GPIO1_BASE_ADDR
+ ldr r1, [r0, #0x0]
+ orr r1, r1, #(1 << 23)
+ str r1, [r0, #0x0]
+ ldr r1, [r0, #0x4]
+ orr r1, r1, #(1 << 23)
+ str r1, [r0, #0x4]
+
+#ifdef ENABLE_IMPRECISE_ABORT
+ mrs r1, spsr /* save old spsr */
+ mrs r0, cpsr /* read out the cpsr */
+ bic r0, r0, #0x100 /* clear the A bit */
+ msr spsr, r0 /* update spsr */
+ add lr, pc, #0x8 /* update lr */
+ movs pc, lr /* update cpsr */
+ nop
+ nop
+ nop
+ nop
+ msr spsr, r1 /* restore old spsr */
+#endif
+
+ init_l2cc
+
+ init_aips
+
+ init_m4if
+
+ init_clock
+
+ /* r12 saved upper lr*/
+ mov pc,lr
+
+/* Board level setting value */
+DDR_PERCHARGE_CMD: .word 0x04008008
+DDR_REFRESH_CMD: .word 0x00008010
+DDR_LMR1_W: .word 0x00338018
+DDR_LMR_CMD: .word 0xB2220000
+DDR_TIMING_W: .word 0xB02567A9
+DDR_MISC_W: .word 0x000A0104
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+
+#ifdef CONFIG_FSL_ESDHC
+#include <fsl_esdhc.h>
+#endif
+
+u32 get_cpu_rev(void)
+{
+ int reg;
+ int system_rev;
+
+ reg = __raw_readl(ROM_SI_REV);
+ switch (reg) {
+ case 0x02:
+ system_rev = 0x51000 | CHIP_REV_1_1;
+ break;
+ case 0x10:
+ if ((__raw_readl(GPIO1_BASE_ADDR + 0x0) & (0x1 << 22)) == 0)
+ system_rev = 0x51000 | CHIP_REV_2_5;
+ else
+ system_rev = 0x51000 | CHIP_REV_2_0;
+ break;
+ case 0x20:
+ system_rev = 0x51000 | CHIP_REV_3_0;
+ break;
+ return system_rev;
+ default:
+ system_rev = 0x51000 | CHIP_REV_1_0;
+ break;
+ }
+ return system_rev;
+}
+
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
+{
+ u32 cpurev;
+
+ cpurev = get_cpu_rev();
+ printf("CPU: Freescale i.MX51 family rev%d.%d at %d MHz\n",
+ (cpurev & 0xF0) >> 4,
+ (cpurev & 0x0F) >> 4,
+ mxc_get_clock(MXC_ARM_CLK) / 1000000);
+ return 0;
+}
+#endif
+
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
+#if defined(CONFIG_FEC_MXC)
+extern int fecmxc_initialize(bd_t *bis);
+#endif
+
+int cpu_eth_init(bd_t *bis)
+{
+ int rc = -ENODEV;
+
+#if defined(CONFIG_FEC_MXC)
+ rc = fecmxc_initialize(bis);
+#endif
+
+ return rc;
+}
+
+/*
+ * Initializes on-chip MMC controllers.
+ * to override, implement board_mmc_init()
+ */
+int cpu_mmc_init(bd_t *bis)
+{
+#ifdef CONFIG_FSL_ESDHC
+ return fsl_esdhc_mmc_init(bis);
+#else
+ return 0;
+#endif
+}
+
+
+void reset_cpu(ulong addr)
+{
+ __raw_writew(4, WDOG1_BASE_ADDR);
+}
--- /dev/null
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+
+int get_clocks(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_FSL_ESDHC
+ gd->sdhc_clk = mxc_get_clock(MXC_IPG_PERCLK);
+#endif
+ return 0;
+}
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+
+/* General purpose timers registers */
+struct mxc_gpt {
+ unsigned int control;
+ unsigned int prescaler;
+ unsigned int status;
+ unsigned int nouse[6];
+ unsigned int counter;
+};
+
+static struct mxc_gpt *cur_gpt = (struct mxc_gpt *)GPT1_BASE_ADDR;
+
+/* General purpose timers bitfields */
+#define GPTCR_SWR (1<<15) /* Software reset */
+#define GPTCR_FRR (1<<9) /* Freerun / restart */
+#define GPTCR_CLKSOURCE_32 (4<<6) /* Clock source */
+#define GPTCR_TEN (1) /* Timer enable */
+
+static ulong timestamp;
+static ulong lastinc;
+
+int timer_init(void)
+{
+ int i;
+
+ /* setup GP Timer 1 */
+ __raw_writel(GPTCR_SWR, &cur_gpt->control);
+
+ /* We have no udelay by now */
+ for (i = 0; i < 100; i++)
+ __raw_writel(0, &cur_gpt->control);
+
+ __raw_writel(0, &cur_gpt->prescaler); /* 32Khz */
+
+ /* Freerun Mode, PERCLK1 input */
+ i = __raw_readl(&cur_gpt->control);
+ __raw_writel(i | GPTCR_CLKSOURCE_32 | GPTCR_TEN, &cur_gpt->control);
+ reset_timer_masked();
+ return 0;
+}
+
+void reset_timer(void)
+{
+ reset_timer_masked();
+}
+
+void reset_timer_masked(void)
+{
+ ulong val = __raw_readl(&cur_gpt->counter);
+ lastinc = val / (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ);
+ timestamp = 0;
+}
+
+ulong get_timer_masked(void)
+{
+ ulong val = __raw_readl(&cur_gpt->counter);
+ val /= (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ);
+ if (val >= lastinc)
+ timestamp += (val - lastinc);
+ else
+ timestamp += ((0xFFFFFFFF / (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ))
+ - lastinc) + val;
+ lastinc = val;
+ return val;
+}
+
+ulong get_timer(ulong base)
+{
+ return get_timer_masked() - base;
+}
+
+void set_timer(ulong t)
+{
+ timestamp = t;
+}
+
+/* delay x useconds AND preserve advance timestamp value */
+void __udelay(unsigned long usec)
+{
+ unsigned long now, start, tmo;
+ tmo = usec * (CONFIG_MX51_CLK32 / 1000) / 1000;
+
+ if (!tmo)
+ tmo = 1;
+
+ now = start = readl(&cur_gpt->counter);
+
+ while ((now - start) < tmo)
+ now = readl(&cur_gpt->counter);
+
+}
--- /dev/null
+/*
+ * January 2004 - Changed to support H4 device
+ * Copyright (c) 2004 Texas Instruments
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ arch/arm/cpu/armv7/start.o
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(.rodata) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+ __bss_start = .;
+ .bss : { *(.bss) }
+ _end = .;
+}
--- /dev/null
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)libomap-common.a
+
+SOBJS := reset.o
+COBJS := timer.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
+
+# Make ARMv5 to allow more compilers to work, even though its v7a.
+PLATFORM_CPPFLAGS += -march=armv5
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,\
+ $(call cc-option,-malignment-traps,))
--- /dev/null
+/*
+ * Copyright (c) 2009 Samsung Electronics.
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+
+.global reset_cpu
+reset_cpu:
+ ldr r1, rstctl @ get addr for global reset
+ @ reg
+ mov r3, #0x2 @ full reset pll + mpu
+ str r3, [r1] @ force reset
+ mov r0, r0
+_loop_forever:
+ b _loop_forever
+rstctl:
+ .word PRM_RSTCTRL
--- /dev/null
+/*
+ * (C) Copyright 2008
+ * Texas Instruments
+ *
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Moahmmed Khasim <khasim@ti.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+static ulong timestamp;
+static ulong lastinc;
+static struct gptimer *timer_base = (struct gptimer *)CONFIG_SYS_TIMERBASE;
+
+/*
+ * Nothing really to do with interrupts, just starts up a counter.
+ * We run the counter with 13MHz, divided by 8, resulting in timer
+ * frequency of 1.625MHz. With 32bit counter register, counter
+ * overflows in ~44min
+ */
+
+/* 13MHz / 8 = 1.625MHz */
+#define TIMER_CLOCK (V_SCLK / (2 << CONFIG_SYS_PTV))
+#define TIMER_LOAD_VAL 0xffffffff
+
+int timer_init(void)
+{
+ /* start the counter ticking up, reload value on overflow */
+ writel(TIMER_LOAD_VAL, &timer_base->tldr);
+ /* enable timer */
+ writel((CONFIG_SYS_PTV << 2) | TCLR_PRE | TCLR_AR | TCLR_ST,
+ &timer_base->tclr);
+
+ reset_timer_masked(); /* init the timestamp and lastinc value */
+
+ return 0;
+}
+
+/*
+ * timer without interrupts
+ */
+void reset_timer(void)
+{
+ reset_timer_masked();
+}
+
+ulong get_timer(ulong base)
+{
+ return get_timer_masked() - base;
+}
+
+void set_timer(ulong t)
+{
+ timestamp = t;
+}
+
+/* delay x useconds */
+void __udelay(unsigned long usec)
+{
+#if defined(CONFIG_OMAP44XX)
+ /* TODO temporary hack until OMAP4 clock setup routines are present */
+ if (usec > 1000)
+ usec = usec/1000;
+#endif
+ long tmo = usec * (TIMER_CLOCK / 1000) / 1000;
+ unsigned long now, last = readl(&timer_base->tcrr);
+
+ while (tmo > 0) {
+ now = readl(&timer_base->tcrr);
+ if (last > now) /* count up timer overflow */
+ tmo -= TIMER_LOAD_VAL - last + now;
+ else
+ tmo -= now - last;
+ last = now;
+ }
+}
+
+void reset_timer_masked(void)
+{
+ /* reset time, capture current incrementer value time */
+ lastinc = readl(&timer_base->tcrr) / (TIMER_CLOCK / CONFIG_SYS_HZ);
+ timestamp = 0; /* start "advancing" time stamp from 0 */
+}
+
+ulong get_timer_masked(void)
+{
+ /* current tick value */
+ ulong now = readl(&timer_base->tcrr) / (TIMER_CLOCK / CONFIG_SYS_HZ);
+
+ if (now >= lastinc) /* normal mode (non roll) */
+ /* move stamp fordward with absoulte diff ticks */
+ timestamp += (now - lastinc);
+ else /* we have rollover of incrementer */
+ timestamp += ((TIMER_LOAD_VAL / (TIMER_CLOCK / CONFIG_SYS_HZ))
+ - lastinc) + now;
+ lastinc = now;
+ return timestamp;
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+ return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+ return CONFIG_SYS_HZ;
+}
--- /dev/null
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).a
+
+SOBJS := lowlevel_init.o
+SOBJS += cache.o
+
+COBJS += board.o
+COBJS += clock.o
+COBJS += gpio.o
+COBJS += mem.o
+COBJS += syslib.o
+COBJS += sys_info.o
+
+COBJS-$(CONFIG_EMIF4) += emif4.o
+COBJS-$(CONFIG_SDRC) += sdrc.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS) $(COBJS-y) $(SOBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+/*
+ *
+ * Common board functions for OMAP3 based boards.
+ *
+ * (C) Copyright 2004-2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Sunil Kumar <sunilsaini05@gmail.com>
+ * Shashi Ranjan <shashiranjanmca05@gmail.com>
+ *
+ * Derived from Beagle Board and 3430 SDP code by
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mem.h>
+#include <asm/cache.h>
+
+extern omap3_sysinfo sysinfo;
+
+/******************************************************************************
+ * Routine: delay
+ * Description: spinning delay to use before udelay works
+ *****************************************************************************/
+static inline void delay(unsigned long loops)
+{
+ __asm__ volatile ("1:\n" "subs %0, %1, #1\n"
+ "bne 1b":"=r" (loops):"0"(loops));
+}
+
+/******************************************************************************
+ * Routine: secure_unlock
+ * Description: Setup security registers for access
+ * (GP Device only)
+ *****************************************************************************/
+void secure_unlock_mem(void)
+{
+ struct pm *pm_rt_ape_base = (struct pm *)PM_RT_APE_BASE_ADDR_ARM;
+ struct pm *pm_gpmc_base = (struct pm *)PM_GPMC_BASE_ADDR_ARM;
+ struct pm *pm_ocm_ram_base = (struct pm *)PM_OCM_RAM_BASE_ADDR_ARM;
+ struct pm *pm_iva2_base = (struct pm *)PM_IVA2_BASE_ADDR_ARM;
+ struct sms *sms_base = (struct sms *)OMAP34XX_SMS_BASE;
+
+ /* Protection Module Register Target APE (PM_RT) */
+ writel(UNLOCK_1, &pm_rt_ape_base->req_info_permission_1);
+ writel(UNLOCK_1, &pm_rt_ape_base->read_permission_0);
+ writel(UNLOCK_1, &pm_rt_ape_base->wirte_permission_0);
+ writel(UNLOCK_2, &pm_rt_ape_base->addr_match_1);
+
+ writel(UNLOCK_3, &pm_gpmc_base->req_info_permission_0);
+ writel(UNLOCK_3, &pm_gpmc_base->read_permission_0);
+ writel(UNLOCK_3, &pm_gpmc_base->wirte_permission_0);
+
+ writel(UNLOCK_3, &pm_ocm_ram_base->req_info_permission_0);
+ writel(UNLOCK_3, &pm_ocm_ram_base->read_permission_0);
+ writel(UNLOCK_3, &pm_ocm_ram_base->wirte_permission_0);
+ writel(UNLOCK_2, &pm_ocm_ram_base->addr_match_2);
+
+ /* IVA Changes */
+ writel(UNLOCK_3, &pm_iva2_base->req_info_permission_0);
+ writel(UNLOCK_3, &pm_iva2_base->read_permission_0);
+ writel(UNLOCK_3, &pm_iva2_base->wirte_permission_0);
+
+ /* SDRC region 0 public */
+ writel(UNLOCK_1, &sms_base->rg_att0);
+}
+
+/******************************************************************************
+ * Routine: secureworld_exit()
+ * Description: If chip is EMU and boot type is external
+ * configure secure registers and exit secure world
+ * general use.
+ *****************************************************************************/
+void secureworld_exit()
+{
+ unsigned long i;
+
+ /* configrue non-secure access control register */
+ __asm__ __volatile__("mrc p15, 0, %0, c1, c1, 2":"=r"(i));
+ /* enabling co-processor CP10 and CP11 accesses in NS world */
+ __asm__ __volatile__("orr %0, %0, #0xC00":"=r"(i));
+ /*
+ * allow allocation of locked TLBs and L2 lines in NS world
+ * allow use of PLE registers in NS world also
+ */
+ __asm__ __volatile__("orr %0, %0, #0x70000":"=r"(i));
+ __asm__ __volatile__("mcr p15, 0, %0, c1, c1, 2":"=r"(i));
+
+ /* Enable ASA in ACR register */
+ __asm__ __volatile__("mrc p15, 0, %0, c1, c0, 1":"=r"(i));
+ __asm__ __volatile__("orr %0, %0, #0x10":"=r"(i));
+ __asm__ __volatile__("mcr p15, 0, %0, c1, c0, 1":"=r"(i));
+
+ /* Exiting secure world */
+ __asm__ __volatile__("mrc p15, 0, %0, c1, c1, 0":"=r"(i));
+ __asm__ __volatile__("orr %0, %0, #0x31":"=r"(i));
+ __asm__ __volatile__("mcr p15, 0, %0, c1, c1, 0":"=r"(i));
+}
+
+/******************************************************************************
+ * Routine: setup_auxcr()
+ * Description: Write to AuxCR desired value using SMI.
+ * general use.
+ *****************************************************************************/
+void setup_auxcr()
+{
+ unsigned long i;
+ volatile unsigned int j;
+ /* Save r0, r12 and restore them after usage */
+ __asm__ __volatile__("mov %0, r12":"=r"(j));
+ __asm__ __volatile__("mov %0, r0":"=r"(i));
+
+ /*
+ * GP Device ROM code API usage here
+ * r12 = AUXCR Write function and r0 value
+ */
+ __asm__ __volatile__("mov r12, #0x3");
+ __asm__ __volatile__("mrc p15, 0, r0, c1, c0, 1");
+ /* Enabling ASA */
+ __asm__ __volatile__("orr r0, r0, #0x10");
+ /* Enable L1NEON */
+ __asm__ __volatile__("orr r0, r0, #1 << 5");
+ /* SMI instruction to call ROM Code API */
+ __asm__ __volatile__(".word 0xE1600070");
+ /* Set PLD_FWD bit in L2AUXCR (Cortex-A8 erratum 725233 workaround) */
+ __asm__ __volatile__("mov r12, #0x2");
+ __asm__ __volatile__("mrc p15, 1, r0, c9, c0, 2");
+ __asm__ __volatile__("orr r0, r0, #1 << 27");
+ /* SMI instruction to call ROM Code API */
+ __asm__ __volatile__(".word 0xE1600070");
+ __asm__ __volatile__("mov r0, %0":"=r"(i));
+ __asm__ __volatile__("mov r12, %0":"=r"(j));
+}
+
+/******************************************************************************
+ * Routine: try_unlock_sram()
+ * Description: If chip is GP/EMU(special) type, unlock the SRAM for
+ * general use.
+ *****************************************************************************/
+void try_unlock_memory()
+{
+ int mode;
+ int in_sdram = is_running_in_sdram();
+
+ /*
+ * if GP device unlock device SRAM for general use
+ * secure code breaks for Secure/Emulation device - HS/E/T
+ */
+ mode = get_device_type();
+ if (mode == GP_DEVICE)
+ secure_unlock_mem();
+
+ /*
+ * If device is EMU and boot is XIP external booting
+ * Unlock firewalls and disable L2 and put chip
+ * out of secure world
+ *
+ * Assuming memories are unlocked by the demon who put us in SDRAM
+ */
+ if ((mode <= EMU_DEVICE) && (get_boot_type() == 0x1F)
+ && (!in_sdram)) {
+ secure_unlock_mem();
+ secureworld_exit();
+ }
+
+ return;
+}
+
+/******************************************************************************
+ * Routine: s_init
+ * Description: Does early system init of muxing and clocks.
+ * - Called path is with SRAM stack.
+ *****************************************************************************/
+void s_init(void)
+{
+ int in_sdram = is_running_in_sdram();
+
+ watchdog_init();
+
+ try_unlock_memory();
+
+ /*
+ * Right now flushing at low MPU speed.
+ * Need to move after clock init
+ */
+ invalidate_dcache(get_device_type());
+#ifndef CONFIG_ICACHE_OFF
+ icache_enable();
+#endif
+
+#ifdef CONFIG_L2_OFF
+ l2_cache_disable();
+#else
+ l2_cache_enable();
+#endif
+ /*
+ * Writing to AuxCR in U-boot using SMI for GP DEV
+ * Currently SMI in Kernel on ES2 devices seems to have an issue
+ * Once that is resolved, we can postpone this config to kernel
+ */
+ if (get_device_type() == GP_DEVICE)
+ setup_auxcr();
+
+ set_muxconf_regs();
+ delay(100);
+
+ prcm_init();
+
+ per_clocks_enable();
+
+ if (!in_sdram)
+ mem_init();
+}
+
+/******************************************************************************
+ * Routine: wait_for_command_complete
+ * Description: Wait for posting to finish on watchdog
+ *****************************************************************************/
+void wait_for_command_complete(struct watchdog *wd_base)
+{
+ int pending = 1;
+ do {
+ pending = readl(&wd_base->wwps);
+ } while (pending);
+}
+
+/******************************************************************************
+ * Routine: watchdog_init
+ * Description: Shut down watch dogs
+ *****************************************************************************/
+void watchdog_init(void)
+{
+ struct watchdog *wd2_base = (struct watchdog *)WD2_BASE;
+ struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+
+ /*
+ * There are 3 watch dogs WD1=Secure, WD2=MPU, WD3=IVA. WD1 is
+ * either taken care of by ROM (HS/EMU) or not accessible (GP).
+ * We need to take care of WD2-MPU or take a PRCM reset. WD3
+ * should not be running and does not generate a PRCM reset.
+ */
+
+ sr32(&prcm_base->fclken_wkup, 5, 1, 1);
+ sr32(&prcm_base->iclken_wkup, 5, 1, 1);
+ wait_on_value(ST_WDT2, 0x20, &prcm_base->idlest_wkup, 5);
+
+ writel(WD_UNLOCK1, &wd2_base->wspr);
+ wait_for_command_complete(wd2_base);
+ writel(WD_UNLOCK2, &wd2_base->wspr);
+}
+
+/******************************************************************************
+ * Dummy function to handle errors for EABI incompatibility
+ *****************************************************************************/
+void abort(void)
+{
+}
+
+#ifdef CONFIG_NAND_OMAP_GPMC
+/******************************************************************************
+ * OMAP3 specific command to switch between NAND HW and SW ecc
+ *****************************************************************************/
+static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+{
+ if (argc != 2)
+ goto usage;
+ if (strncmp(argv[1], "hw", 2) == 0)
+ omap_nand_switch_ecc(1);
+ else if (strncmp(argv[1], "sw", 2) == 0)
+ omap_nand_switch_ecc(0);
+ else
+ goto usage;
+
+ return 0;
+
+usage:
+ printf ("Usage: nandecc %s\n", cmdtp->usage);
+ return 1;
+}
+
+U_BOOT_CMD(
+ nandecc, 2, 1, do_switch_ecc,
+ "switch OMAP3 NAND ECC calculation algorithm",
+ "[hw/sw] - Switch between NAND hardware (hw) or software (sw) ecc algorithm"
+);
+
+#endif /* CONFIG_NAND_OMAP_GPMC */
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+/**
+ * Print board information
+ */
+int checkboard (void)
+{
+ char *mem_s ;
+
+ if (is_mem_sdr())
+ mem_s = "mSDR";
+ else
+ mem_s = "LPDDR";
+
+ printf("%s + %s/%s\n", sysinfo.board_string, mem_s,
+ sysinfo.nand_string);
+
+ return 0;
+}
+#endif /* CONFIG_DISPLAY_BOARDINFO */
--- /dev/null
+/*
+ * Copyright (c) 2009 Wind River Systems, Inc.
+ * Tom Rix <Tom.Rix@windriver.com>
+ *
+ * This file is based on and replaces the existing cache.c file
+ * The copyrights for the cache.c file are:
+ *
+ * (C) Copyright 2008 Texas Insturments
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/omap3.h>
+
+/*
+ * omap3 cache code
+ */
+
+.align 5
+.global invalidate_dcache
+.global l2_cache_enable
+.global l2_cache_disable
+
+/*
+ * invalidate_dcache()
+ *
+ * Invalidate the whole D-cache.
+ *
+ * Corrupted registers: r0-r5, r7, r9-r11
+ *
+ * - mm - mm_struct describing address space
+ */
+invalidate_dcache:
+ stmfd r13!, {r0 - r5, r7, r9 - r12, r14}
+
+ mov r7, r0 @ take a backup of device type
+ cmp r0, #0x3 @ check if the device type is
+ @ GP
+ moveq r12, #0x1 @ set up to invalide L2
+smi: .word 0x01600070 @ Call SMI monitor (smieq)
+ cmp r7, #0x3 @ compare again in case its
+ @ lost
+ beq finished_inval @ if GP device, inval done
+ @ above
+
+ mrc p15, 1, r0, c0, c0, 1 @ read clidr
+ ands r3, r0, #0x7000000 @ extract loc from clidr
+ mov r3, r3, lsr #23 @ left align loc bit field
+ beq finished_inval @ if loc is 0, then no need to
+ @ clean
+ mov r10, #0 @ start clean at cache level 0
+inval_loop1:
+ add r2, r10, r10, lsr #1 @ work out 3x current cache
+ @ level
+ mov r1, r0, lsr r2 @ extract cache type bits from
+ @ clidr
+ and r1, r1, #7 @ mask of the bits for current
+ @ cache only
+ cmp r1, #2 @ see what cache we have at
+ @ this level
+ blt skip_inval @ skip if no cache, or just
+ @ i-cache
+ mcr p15, 2, r10, c0, c0, 0 @ select current cache level
+ @ in cssr
+ mov r2, #0 @ operand for mcr SBZ
+ mcr p15, 0, r2, c7, c5, 4 @ flush prefetch buffer to
+ @ sych the new cssr&csidr,
+ @ with armv7 this is 'isb',
+ @ but we compile with armv5
+ mrc p15, 1, r1, c0, c0, 0 @ read the new csidr
+ and r2, r1, #7 @ extract the length of the
+ @ cache lines
+ add r2, r2, #4 @ add 4 (line length offset)
+ ldr r4, =0x3ff
+ ands r4, r4, r1, lsr #3 @ find maximum number on the
+ @ way size
+ clz r5, r4 @ find bit position of way
+ @ size increment
+ ldr r7, =0x7fff
+ ands r7, r7, r1, lsr #13 @ extract max number of the
+ @ index size
+inval_loop2:
+ mov r9, r4 @ create working copy of max
+ @ way size
+inval_loop3:
+ orr r11, r10, r9, lsl r5 @ factor way and cache number
+ @ into r11
+ orr r11, r11, r7, lsl r2 @ factor index number into r11
+ mcr p15, 0, r11, c7, c6, 2 @ invalidate by set/way
+ subs r9, r9, #1 @ decrement the way
+ bge inval_loop3
+ subs r7, r7, #1 @ decrement the index
+ bge inval_loop2
+skip_inval:
+ add r10, r10, #2 @ increment cache number
+ cmp r3, r10
+ bgt inval_loop1
+finished_inval:
+ mov r10, #0 @ swith back to cache level 0
+ mcr p15, 2, r10, c0, c0, 0 @ select current cache level
+ @ in cssr
+ mcr p15, 0, r10, c7, c5, 4 @ flush prefetch buffer,
+ @ with armv7 this is 'isb',
+ @ but we compile with armv5
+
+ ldmfd r13!, {r0 - r5, r7, r9 - r12, pc}
+
+
+l2_cache_enable:
+ stmfd r13!, {r0, r1, r2, lr}
+ @ ES2 onwards we can disable/enable L2 ourselves
+ bl get_cpu_rev
+ cmp r0, #CPU_3XX_ES20
+ blt l2_cache_disable_EARLIER_THAN_ES2
+ mrc 15, 0, r3, cr1, cr0, 1
+ orr r3, r3, #2
+ mcr 15, 0, r3, cr1, cr0, 1
+ b l2_cache_enable_END
+l2_cache_enable_EARLIER_THAN_ES2:
+ @ Save r0, r12 and restore them after usage
+ mov r3, ip
+ str r3, [sp, #4]
+ mov r3, r0
+ @
+ @ GP Device ROM code API usage here
+ @ r12 = AUXCR Write function and r0 value
+ @
+ mov ip, #3
+ mrc 15, 0, r0, cr1, cr0, 1
+ orr r0, r0, #2
+ @ SMI instruction to call ROM Code API
+ .word 0xe1600070
+ mov r0, r3
+ mov ip, r3
+ str r3, [sp, #4]
+l2_cache_enable_END:
+ ldmfd r13!, {r1, r2, r3, pc}
+
+
+l2_cache_disable:
+ stmfd r13!, {r0, r1, r2, lr}
+ @ ES2 onwards we can disable/enable L2 ourselves
+ bl get_cpu_rev
+ cmp r0, #CPU_3XX_ES20
+ blt l2_cache_disable_EARLIER_THAN_ES2
+ mrc 15, 0, r3, cr1, cr0, 1
+ bic r3, r3, #2
+ mcr 15, 0, r3, cr1, cr0, 1
+ b l2_cache_disable_END
+l2_cache_disable_EARLIER_THAN_ES2:
+ @ Save r0, r12 and restore them after usage
+ mov r3, ip
+ str r3, [sp, #4]
+ mov r3, r0
+ @
+ @ GP Device ROM code API usage here
+ @ r12 = AUXCR Write function and r0 value
+ @
+ mov ip, #3
+ mrc 15, 0, r0, cr1, cr0, 1
+ bic r0, r0, #2
+ @ SMI instruction to call ROM Code API
+ .word 0xe1600070
+ mov r0, r3
+ mov ip, r3
+ str r3, [sp, #4]
+l2_cache_disable_END:
+ ldmfd r13!, {r1, r2, r3, pc}
--- /dev/null
+/*
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Manikandan Pillai <mani.pillai@ti.com>
+ *
+ * Derived from Beagle Board and OMAP3 SDP code by
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clocks.h>
+#include <asm/arch/clocks_omap3.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+#include <environment.h>
+#include <command.h>
+
+/******************************************************************************
+ * get_sys_clk_speed() - determine reference oscillator speed
+ * based on known 32kHz clock and gptimer.
+ *****************************************************************************/
+u32 get_osc_clk_speed(void)
+{
+ u32 start, cstart, cend, cdiff, cdiv, val;
+ struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+ struct prm *prm_base = (struct prm *)PRM_BASE;
+ struct gptimer *gpt1_base = (struct gptimer *)OMAP34XX_GPT1;
+ struct s32ktimer *s32k_base = (struct s32ktimer *)SYNC_32KTIMER_BASE;
+
+ val = readl(&prm_base->clksrc_ctrl);
+
+ if (val & SYSCLKDIV_2)
+ cdiv = 2;
+ else if (val & SYSCLKDIV_1)
+ cdiv = 1;
+ else
+ /*
+ * Should never reach here! (Assume divider as 1)
+ */
+ cdiv = 1;
+
+ /* enable timer2 */
+ val = readl(&prcm_base->clksel_wkup) | CLKSEL_GPT1;
+
+ /* select sys_clk for GPT1 */
+ writel(val, &prcm_base->clksel_wkup);
+
+ /* Enable I and F Clocks for GPT1 */
+ val = readl(&prcm_base->iclken_wkup) | EN_GPT1 | EN_32KSYNC;
+ writel(val, &prcm_base->iclken_wkup);
+
+ val = readl(&prcm_base->fclken_wkup) | EN_GPT1;
+ writel(val, &prcm_base->fclken_wkup);
+
+ writel(0, &gpt1_base->tldr); /* start counting at 0 */
+ writel(GPT_EN, &gpt1_base->tclr); /* enable clock */
+
+ /* enable 32kHz source, determine sys_clk via gauging */
+
+ /* start time in 20 cycles */
+ start = 20 + readl(&s32k_base->s32k_cr);
+
+ /* dead loop till start time */
+ while (readl(&s32k_base->s32k_cr) < start);
+
+ /* get start sys_clk count */
+ cstart = readl(&gpt1_base->tcrr);
+
+ /* wait for 40 cycles */
+ while (readl(&s32k_base->s32k_cr) < (start + 20)) ;
+ cend = readl(&gpt1_base->tcrr); /* get end sys_clk count */
+ cdiff = cend - cstart; /* get elapsed ticks */
+
+ if (cdiv == 2)
+ {
+ cdiff *= 2;
+ }
+
+ /* based on number of ticks assign speed */
+ if (cdiff > 19000)
+ return S38_4M;
+ else if (cdiff > 15200)
+ return S26M;
+ else if (cdiff > 13000)
+ return S24M;
+ else if (cdiff > 9000)
+ return S19_2M;
+ else if (cdiff > 7600)
+ return S13M;
+ else
+ return S12M;
+}
+
+/******************************************************************************
+ * get_sys_clkin_sel() - returns the sys_clkin_sel field value based on
+ * input oscillator clock frequency.
+ *****************************************************************************/
+void get_sys_clkin_sel(u32 osc_clk, u32 *sys_clkin_sel)
+{
+ switch(osc_clk) {
+ case S38_4M:
+ *sys_clkin_sel = 4;
+ break;
+ case S26M:
+ *sys_clkin_sel = 3;
+ break;
+ case S19_2M:
+ *sys_clkin_sel = 2;
+ break;
+ case S13M:
+ *sys_clkin_sel = 1;
+ break;
+ case S12M:
+ default:
+ *sys_clkin_sel = 0;
+ }
+}
+
+/******************************************************************************
+ * prcm_init() - inits clocks for PRCM as defined in clocks.h
+ * called from SRAM, or Flash (using temp SRAM stack).
+ *****************************************************************************/
+void prcm_init(void)
+{
+ void (*f_lock_pll) (u32, u32, u32, u32);
+ int xip_safe, p0, p1, p2, p3;
+ u32 osc_clk = 0, sys_clkin_sel;
+ u32 clk_index, sil_index = 0;
+ struct prm *prm_base = (struct prm *)PRM_BASE;
+ struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+ dpll_param *dpll_param_p;
+
+ f_lock_pll = (void *) ((u32) &_end_vect - (u32) &_start +
+ SRAM_VECT_CODE);
+
+ xip_safe = is_running_in_sram();
+
+ /*
+ * Gauge the input clock speed and find out the sys_clkin_sel
+ * value corresponding to the input clock.
+ */
+ osc_clk = get_osc_clk_speed();
+ get_sys_clkin_sel(osc_clk, &sys_clkin_sel);
+
+ /* set input crystal speed */
+ sr32(&prm_base->clksel, 0, 3, sys_clkin_sel);
+
+ /* If the input clock is greater than 19.2M always divide/2 */
+ if (sys_clkin_sel > 2) {
+ /* input clock divider */
+ sr32(&prm_base->clksrc_ctrl, 6, 2, 2);
+ clk_index = sys_clkin_sel / 2;
+ } else {
+ /* input clock divider */
+ sr32(&prm_base->clksrc_ctrl, 6, 2, 1);
+ clk_index = sys_clkin_sel;
+ }
+
+ /*
+ * The DPLL tables are defined according to sysclk value and
+ * silicon revision. The clk_index value will be used to get
+ * the values for that input sysclk from the DPLL param table
+ * and sil_index will get the values for that SysClk for the
+ * appropriate silicon rev.
+ */
+ if (get_cpu_rev())
+ sil_index = 1;
+
+ /* Unlock MPU DPLL (slows things down, and needed later) */
+ sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS);
+ wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu, LDELAY);
+
+ /* Getting the base address of Core DPLL param table */
+ dpll_param_p = (dpll_param *) get_core_dpll_param();
+
+ /* Moving it to the right sysclk and ES rev base */
+ dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
+ if (xip_safe) {
+ /*
+ * CORE DPLL
+ * sr32(CM_CLKSEL2_EMU) set override to work when asleep
+ */
+ sr32(&prcm_base->clken_pll, 0, 3, PLL_FAST_RELOCK_BYPASS);
+ wait_on_value(ST_CORE_CLK, 0, &prcm_base->idlest_ckgen,
+ LDELAY);
+
+ /*
+ * For OMAP3 ES1.0 Errata 1.50, default value directly doesn't
+ * work. write another value and then default value.
+ */
+
+ /* m3x2 */
+ sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2 + 1);
+ /* m3x2 */
+ sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2);
+ /* Set M2 */
+ sr32(&prcm_base->clksel1_pll, 27, 2, dpll_param_p->m2);
+ /* Set M */
+ sr32(&prcm_base->clksel1_pll, 16, 11, dpll_param_p->m);
+ /* Set N */
+ sr32(&prcm_base->clksel1_pll, 8, 7, dpll_param_p->n);
+ /* 96M Src */
+ sr32(&prcm_base->clksel1_pll, 6, 1, 0);
+ /* ssi */
+ sr32(&prcm_base->clksel_core, 8, 4, CORE_SSI_DIV);
+ /* fsusb */
+ sr32(&prcm_base->clksel_core, 4, 2, CORE_FUSB_DIV);
+ /* l4 */
+ sr32(&prcm_base->clksel_core, 2, 2, CORE_L4_DIV);
+ /* l3 */
+ sr32(&prcm_base->clksel_core, 0, 2, CORE_L3_DIV);
+ /* gfx */
+ sr32(&prcm_base->clksel_gfx, 0, 3, GFX_DIV);
+ /* reset mgr */
+ sr32(&prcm_base->clksel_wkup, 1, 2, WKUP_RSM);
+ /* FREQSEL */
+ sr32(&prcm_base->clken_pll, 4, 4, dpll_param_p->fsel);
+ /* lock mode */
+ sr32(&prcm_base->clken_pll, 0, 3, PLL_LOCK);
+
+ wait_on_value(ST_CORE_CLK, 1, &prcm_base->idlest_ckgen,
+ LDELAY);
+ } else if (is_running_in_flash()) {
+ /*
+ * if running from flash, jump to small relocated code
+ * area in SRAM.
+ */
+ p0 = readl(&prcm_base->clken_pll);
+ sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS);
+ sr32(&p0, 4, 4, dpll_param_p->fsel); /* FREQSEL */
+
+ p1 = readl(&prcm_base->clksel1_pll);
+ sr32(&p1, 27, 2, dpll_param_p->m2); /* Set M2 */
+ sr32(&p1, 16, 11, dpll_param_p->m); /* Set M */
+ sr32(&p1, 8, 7, dpll_param_p->n); /* Set N */
+ sr32(&p1, 6, 1, 0); /* set source for 96M */
+
+ p2 = readl(&prcm_base->clksel_core);
+ sr32(&p2, 8, 4, CORE_SSI_DIV); /* ssi */
+ sr32(&p2, 4, 2, CORE_FUSB_DIV); /* fsusb */
+ sr32(&p2, 2, 2, CORE_L4_DIV); /* l4 */
+ sr32(&p2, 0, 2, CORE_L3_DIV); /* l3 */
+
+ p3 = (u32)&prcm_base->idlest_ckgen;
+
+ (*f_lock_pll) (p0, p1, p2, p3);
+ }
+
+ /* PER DPLL */
+ sr32(&prcm_base->clken_pll, 16, 3, PLL_STOP);
+ wait_on_value(ST_PERIPH_CLK, 0, &prcm_base->idlest_ckgen, LDELAY);
+
+ /* Getting the base address to PER DPLL param table */
+
+ /* Set N */
+ dpll_param_p = (dpll_param *) get_per_dpll_param();
+
+ /* Moving it to the right sysclk base */
+ dpll_param_p = dpll_param_p + clk_index;
+
+ /*
+ * Errata 1.50 Workaround for OMAP3 ES1.0 only
+ * If using default divisors, write default divisor + 1
+ * and then the actual divisor value
+ */
+ sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2 + 1); /* set M6 */
+ sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2); /* set M6 */
+ sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2 + 1); /* set M5 */
+ sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2); /* set M5 */
+ sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2 + 1); /* set M4 */
+ sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2); /* set M4 */
+ sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2 + 1); /* set M3 */
+ sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2); /* set M3 */
+ sr32(&prcm_base->clksel3_pll, 0, 5, dpll_param_p->m2 + 1); /* set M2 */
+ sr32(&prcm_base->clksel3_pll, 0, 5, dpll_param_p->m2); /* set M2 */
+ /* Workaround end */
+
+ sr32(&prcm_base->clksel2_pll, 8, 11, dpll_param_p->m); /* set m */
+ sr32(&prcm_base->clksel2_pll, 0, 7, dpll_param_p->n); /* set n */
+ sr32(&prcm_base->clken_pll, 20, 4, dpll_param_p->fsel); /* FREQSEL */
+ sr32(&prcm_base->clken_pll, 16, 3, PLL_LOCK); /* lock mode */
+ wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY);
+
+ /* Getting the base address to MPU DPLL param table */
+ dpll_param_p = (dpll_param *) get_mpu_dpll_param();
+
+ /* Moving it to the right sysclk and ES rev base */
+ dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
+
+ /* MPU DPLL (unlocked already) */
+
+ /* Set M2 */
+ sr32(&prcm_base->clksel2_pll_mpu, 0, 5, dpll_param_p->m2);
+ /* Set M */
+ sr32(&prcm_base->clksel1_pll_mpu, 8, 11, dpll_param_p->m);
+ /* Set N */
+ sr32(&prcm_base->clksel1_pll_mpu, 0, 7, dpll_param_p->n);
+ /* FREQSEL */
+ sr32(&prcm_base->clken_pll_mpu, 4, 4, dpll_param_p->fsel);
+ /* lock mode */
+ sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK);
+ wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu, LDELAY);
+
+ /* Getting the base address to IVA DPLL param table */
+ dpll_param_p = (dpll_param *) get_iva_dpll_param();
+
+ /* Moving it to the right sysclk and ES rev base */
+ dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
+
+ /* IVA DPLL (set to 12*20=240MHz) */
+ sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_STOP);
+ wait_on_value(ST_IVA2_CLK, 0, &prcm_base->idlest_pll_iva2, LDELAY);
+ /* set M2 */
+ sr32(&prcm_base->clksel2_pll_iva2, 0, 5, dpll_param_p->m2);
+ /* set M */
+ sr32(&prcm_base->clksel1_pll_iva2, 8, 11, dpll_param_p->m);
+ /* set N */
+ sr32(&prcm_base->clksel1_pll_iva2, 0, 7, dpll_param_p->n);
+ /* FREQSEL */
+ sr32(&prcm_base->clken_pll_iva2, 4, 4, dpll_param_p->fsel);
+ /* lock mode */
+ sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_LOCK);
+ wait_on_value(ST_IVA2_CLK, 1, &prcm_base->idlest_pll_iva2, LDELAY);
+
+ /* Set up GPTimers to sys_clk source only */
+ sr32(&prcm_base->clksel_per, 0, 8, 0xff);
+ sr32(&prcm_base->clksel_wkup, 0, 1, 1);
+
+ sdelay(5000);
+}
+
+/******************************************************************************
+ * peripheral_enable() - Enable the clks & power for perifs (GPT2, UART1,...)
+ *****************************************************************************/
+void per_clocks_enable(void)
+{
+ struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+
+ /* Enable GP2 timer. */
+ sr32(&prcm_base->clksel_per, 0, 1, 0x1); /* GPT2 = sys clk */
+ sr32(&prcm_base->iclken_per, 3, 1, 0x1); /* ICKen GPT2 */
+ sr32(&prcm_base->fclken_per, 3, 1, 0x1); /* FCKen GPT2 */
+
+#ifdef CONFIG_SYS_NS16550
+ /* Enable UART1 clocks */
+ sr32(&prcm_base->fclken1_core, 13, 1, 0x1);
+ sr32(&prcm_base->iclken1_core, 13, 1, 0x1);
+
+ /* UART 3 Clocks */
+ sr32(&prcm_base->fclken_per, 11, 1, 0x1);
+ sr32(&prcm_base->iclken_per, 11, 1, 0x1);
+#endif
+
+#ifdef CONFIG_OMAP3_GPIO_2
+ sr32(&prcm_base->fclken_per, 13, 1, 1);
+ sr32(&prcm_base->iclken_per, 13, 1, 1);
+#endif
+#ifdef CONFIG_OMAP3_GPIO_3
+ sr32(&prcm_base->fclken_per, 14, 1, 1);
+ sr32(&prcm_base->iclken_per, 14, 1, 1);
+#endif
+#ifdef CONFIG_OMAP3_GPIO_4
+ sr32(&prcm_base->fclken_per, 15, 1, 1);
+ sr32(&prcm_base->iclken_per, 15, 1, 1);
+#endif
+#ifdef CONFIG_OMAP3_GPIO_5
+ sr32(&prcm_base->fclken_per, 16, 1, 1);
+ sr32(&prcm_base->iclken_per, 16, 1, 1);
+#endif
+#ifdef CONFIG_OMAP3_GPIO_6
+ sr32(&prcm_base->fclken_per, 17, 1, 1);
+ sr32(&prcm_base->iclken_per, 17, 1, 1);
+#endif
+
+#ifdef CONFIG_DRIVER_OMAP34XX_I2C
+ /* Turn on all 3 I2C clocks */
+ sr32(&prcm_base->fclken1_core, 15, 3, 0x7);
+ sr32(&prcm_base->iclken1_core, 15, 3, 0x7); /* I2C1,2,3 = on */
+#endif
+ /* Enable the ICLK for 32K Sync Timer as its used in udelay */
+ sr32(&prcm_base->iclken_wkup, 2, 1, 0x1);
+
+ sr32(&prcm_base->fclken_iva2, 0, 32, FCK_IVA2_ON);
+ sr32(&prcm_base->fclken1_core, 0, 32, FCK_CORE1_ON);
+ sr32(&prcm_base->iclken1_core, 0, 32, ICK_CORE1_ON);
+ sr32(&prcm_base->iclken2_core, 0, 32, ICK_CORE2_ON);
+ sr32(&prcm_base->fclken_wkup, 0, 32, FCK_WKUP_ON);
+ sr32(&prcm_base->iclken_wkup, 0, 32, ICK_WKUP_ON);
+ sr32(&prcm_base->fclken_dss, 0, 32, FCK_DSS_ON);
+ sr32(&prcm_base->iclken_dss, 0, 32, ICK_DSS_ON);
+ sr32(&prcm_base->fclken_cam, 0, 32, FCK_CAM_ON);
+ sr32(&prcm_base->iclken_cam, 0, 32, ICK_CAM_ON);
+ sr32(&prcm_base->fclken_per, 0, 32, FCK_PER_ON);
+ sr32(&prcm_base->iclken_per, 0, 32, ICK_PER_ON);
+
+ sdelay(1000);
+}
--- /dev/null
+/*
+ * Author :
+ * Vaibhav Hiremath <hvaibhav@ti.com>
+ *
+ * Based on mem.c and sdrc.c
+ *
+ * Copyright (C) 2010
+ * Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/emif4.h>
+
+extern omap3_sysinfo sysinfo;
+
+static emif4_t *emif4_base = (emif4_t *)OMAP34XX_SDRC_BASE;
+
+/*
+ * is_mem_sdr -
+ * - Return 1 if mem type in use is SDR
+ */
+u32 is_mem_sdr(void)
+{
+ return 0;
+}
+
+/*
+ * get_sdr_cs_size -
+ * - Get size of chip select 0/1
+ */
+u32 get_sdr_cs_size(u32 cs)
+{
+ u32 size;
+
+ /* TODO: Calculate the size based on EMIF4 configuration */
+ size = CONFIG_SYS_CS0_SIZE;
+
+ return size;
+}
+
+/*
+ * get_sdr_cs_offset -
+ * - Get offset of cs from cs0 start
+ */
+u32 get_sdr_cs_offset(u32 cs)
+{
+ u32 offset = 0;
+
+ return offset;
+}
+
+/*
+ * do_emif4_init -
+ * - Init the emif4 module for DDR access
+ * - Early init routines, called from flash or SRAM.
+ */
+void do_emif4_init(void)
+{
+ unsigned int regval;
+ /* Set the DDR PHY parameters in PHY ctrl registers */
+ regval = (EMIF4_DDR1_READ_LAT | EMIF4_DDR1_PWRDN_DIS |
+ EMIF4_DDR1_EXT_STRB_DIS);
+ writel(regval, &emif4_base->ddr_phyctrl1);
+ writel(regval, &emif4_base->ddr_phyctrl1_shdw);
+ writel(0, &emif4_base->ddr_phyctrl2);
+
+ /* Reset the DDR PHY and wait till completed */
+ regval = readl(&emif4_base->sdram_iodft_tlgc);
+ regval |= (1<<10);
+ writel(regval, &emif4_base->sdram_iodft_tlgc);
+ /*Wait till that bit clears*/
+ while ((readl(&emif4_base->sdram_iodft_tlgc) & (1<<10)) == 0x1);
+ /*Re-verify the DDR PHY status*/
+ while ((readl(&emif4_base->sdram_sts) & (1<<2)) == 0x0);
+
+ regval |= (1<<0);
+ writel(regval, &emif4_base->sdram_iodft_tlgc);
+ /* Set SDR timing registers */
+ regval = (EMIF4_TIM1_T_WTR | EMIF4_TIM1_T_RRD |
+ EMIF4_TIM1_T_RC | EMIF4_TIM1_T_RAS |
+ EMIF4_TIM1_T_WR | EMIF4_TIM1_T_RCD |
+ EMIF4_TIM1_T_RP);
+ writel(regval, &emif4_base->sdram_time1);
+ writel(regval, &emif4_base->sdram_time1_shdw);
+
+ regval = (EMIF4_TIM2_T_CKE | EMIF4_TIM2_T_RTP |
+ EMIF4_TIM2_T_XSRD | EMIF4_TIM2_T_XSNR |
+ EMIF4_TIM2_T_ODT | EMIF4_TIM2_T_XP);
+ writel(regval, &emif4_base->sdram_time2);
+ writel(regval, &emif4_base->sdram_time2_shdw);
+
+ regval = (EMIF4_TIM3_T_RAS_MAX | EMIF4_TIM3_T_RFC);
+ writel(regval, &emif4_base->sdram_time3);
+ writel(regval, &emif4_base->sdram_time3_shdw);
+
+ /* Set the PWR control register */
+ regval = (EMIF4_PWR_PM_TIM | EMIF4_PWR_LP_MODE |
+ EMIF4_PWR_DPD_DIS | EMIF4_PWR_IDLE_MODE);
+ writel(regval, &emif4_base->sdram_pwr_mgmt);
+ writel(regval, &emif4_base->sdram_pwr_mgmt_shdw);
+
+ /* Set the DDR refresh rate control register */
+ regval = (EMIF4_REFRESH_RATE | EMIF4_INITREF_DIS);
+ writel(regval, &emif4_base->sdram_refresh_ctrl);
+ writel(regval, &emif4_base->sdram_refresh_ctrl_shdw);
+
+ /* set the SDRAM configuration register */
+ regval = (EMIF4_CFG_PGSIZE | EMIF4_CFG_EBANK |
+ EMIF4_CFG_IBANK | EMIF4_CFG_ROWSIZE |
+ EMIF4_CFG_CL | EMIF4_CFG_NARROW_MD |
+ EMIF4_CFG_SDR_DRV | EMIF4_CFG_DDR_DIS_DLL |
+ EMIF4_CFG_DDR2_DDQS | EMIF4_CFG_DDR_TERM |
+ EMIF4_CFG_IBANK_POS | EMIF4_CFG_SDRAM_TYP);
+ writel(regval, &emif4_base->sdram_config);
+}
+
+/*
+ * dram_init -
+ * - Sets uboots idea of sdram size
+ */
+int dram_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+ unsigned int size0 = 0, size1 = 0;
+
+ size0 = get_sdr_cs_size(CS0);
+ /*
+ * If a second bank of DDR is attached to CS1 this is
+ * where it can be started. Early init code will init
+ * memory on CS0.
+ */
+ if ((sysinfo.mtype == DDR_COMBO) || (sysinfo.mtype == DDR_STACKED))
+ size1 = get_sdr_cs_size(CS1);
+
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = size0;
+ gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + get_sdr_cs_offset(CS1);
+ gd->bd->bi_dram[1].size = size1;
+
+ return 0;
+}
+
+/*
+ * mem_init() -
+ * - Initialize memory subsystem
+ */
+void mem_init(void)
+{
+ do_emif4_init();
+}
--- /dev/null
+/*
+ * Copyright (c) 2009 Wind River Systems, Inc.
+ * Tom Rix <Tom.Rix@windriver.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ * This work is derived from the linux 2.6.27 kernel source
+ * To fetch, use the kernel repository
+ * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
+ * Use the v2.6.27 tag.
+ *
+ * Below is the original's header including its copyright
+ *
+ * linux/arch/arm/plat-omap/gpio.c
+ *
+ * Support functions for OMAP GPIO
+ *
+ * Copyright (C) 2003-2005 Nokia Corporation
+ * Written by Juha Yrjölä <juha.yrjola@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <common.h>
+#include <asm/arch/gpio.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+
+static struct gpio_bank gpio_bank_34xx[6] = {
+ { (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO3_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO4_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO5_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO6_BASE, METHOD_GPIO_24XX },
+};
+
+static struct gpio_bank *gpio_bank = &gpio_bank_34xx[0];
+
+static inline struct gpio_bank *get_gpio_bank(int gpio)
+{
+ return &gpio_bank[gpio >> 5];
+}
+
+static inline int get_gpio_index(int gpio)
+{
+ return gpio & 0x1f;
+}
+
+static inline int gpio_valid(int gpio)
+{
+ if (gpio < 0)
+ return -1;
+ if (gpio < 192)
+ return 0;
+ return -1;
+}
+
+static int check_gpio(int gpio)
+{
+ if (gpio_valid(gpio) < 0) {
+ printf("ERROR : check_gpio: invalid GPIO %d\n", gpio);
+ return -1;
+ }
+ return 0;
+}
+
+static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input)
+{
+ void *reg = bank->base;
+ u32 l;
+
+ switch (bank->method) {
+ case METHOD_GPIO_24XX:
+ reg += OMAP24XX_GPIO_OE;
+ break;
+ default:
+ return;
+ }
+ l = __raw_readl(reg);
+ if (is_input)
+ l |= 1 << gpio;
+ else
+ l &= ~(1 << gpio);
+ __raw_writel(l, reg);
+}
+
+void omap_set_gpio_direction(int gpio, int is_input)
+{
+ struct gpio_bank *bank;
+
+ if (check_gpio(gpio) < 0)
+ return;
+ bank = get_gpio_bank(gpio);
+ _set_gpio_direction(bank, get_gpio_index(gpio), is_input);
+}
+
+static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable)
+{
+ void *reg = bank->base;
+ u32 l = 0;
+
+ switch (bank->method) {
+ case METHOD_GPIO_24XX:
+ if (enable)
+ reg += OMAP24XX_GPIO_SETDATAOUT;
+ else
+ reg += OMAP24XX_GPIO_CLEARDATAOUT;
+ l = 1 << gpio;
+ break;
+ default:
+ printf("omap3-gpio unknown bank method %s %d\n",
+ __FILE__, __LINE__);
+ return;
+ }
+ __raw_writel(l, reg);
+}
+
+void omap_set_gpio_dataout(int gpio, int enable)
+{
+ struct gpio_bank *bank;
+
+ if (check_gpio(gpio) < 0)
+ return;
+ bank = get_gpio_bank(gpio);
+ _set_gpio_dataout(bank, get_gpio_index(gpio), enable);
+}
+
+int omap_get_gpio_datain(int gpio)
+{
+ struct gpio_bank *bank;
+ void *reg;
+
+ if (check_gpio(gpio) < 0)
+ return -EINVAL;
+ bank = get_gpio_bank(gpio);
+ reg = bank->base;
+ switch (bank->method) {
+ case METHOD_GPIO_24XX:
+ reg += OMAP24XX_GPIO_DATAIN;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return (__raw_readl(reg)
+ & (1 << get_gpio_index(gpio))) != 0;
+}
+
+static void _reset_gpio(struct gpio_bank *bank, int gpio)
+{
+ _set_gpio_direction(bank, get_gpio_index(gpio), 1);
+}
+
+int omap_request_gpio(int gpio)
+{
+ if (check_gpio(gpio) < 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+void omap_free_gpio(int gpio)
+{
+ struct gpio_bank *bank;
+
+ if (check_gpio(gpio) < 0)
+ return;
+ bank = get_gpio_bank(gpio);
+
+ _reset_gpio(bank, gpio);
+}
--- /dev/null
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Initial Code by:
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <version.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/clocks_omap3.h>
+
+_TEXT_BASE:
+ .word TEXT_BASE /* sdram load addr from config.mk */
+
+#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_NAND_BOOT)
+/**************************************************************************
+ * cpy_clk_code: relocates clock code into SRAM where its safer to execute
+ * R1 = SRAM destination address.
+ *************************************************************************/
+.global cpy_clk_code
+ cpy_clk_code:
+ /* Copy DPLL code into SRAM */
+ adr r0, go_to_speed /* get addr of clock setting code */
+ mov r2, #384 /* r2 size to copy (div by 32 bytes) */
+ mov r1, r1 /* r1 <- dest address (passed in) */
+ add r2, r2, r0 /* r2 <- source end address */
+next2:
+ ldmia r0!, {r3 - r10} /* copy from source address [r0] */
+ stmia r1!, {r3 - r10} /* copy to target address [r1] */
+ cmp r0, r2 /* until source end address [r2] */
+ bne next2
+ mov pc, lr /* back to caller */
+
+/* ***************************************************************************
+ * go_to_speed: -Moves to bypass, -Commits clock dividers, -puts dpll at speed
+ * -executed from SRAM.
+ * R0 = CM_CLKEN_PLL-bypass value
+ * R1 = CM_CLKSEL1_PLL-m, n, and divider values
+ * R2 = CM_CLKSEL_CORE-divider values
+ * R3 = CM_IDLEST_CKGEN - addr dpll lock wait
+ *
+ * Note: If core unlocks/relocks and SDRAM is running fast already it gets
+ * confused. A reset of the controller gets it back. Taking away its
+ * L3 when its not in self refresh seems bad for it. Normally, this
+ * code runs from flash before SDR is init so that should be ok.
+ ****************************************************************************/
+.global go_to_speed
+ go_to_speed:
+ stmfd sp!, {r4 - r6}
+
+ /* move into fast relock bypass */
+ ldr r4, pll_ctl_add
+ str r0, [r4]
+wait1:
+ ldr r5, [r3] /* get status */
+ and r5, r5, #0x1 /* isolate core status */
+ cmp r5, #0x1 /* still locked? */
+ beq wait1 /* if lock, loop */
+
+ /* set new dpll dividers _after_ in bypass */
+ ldr r5, pll_div_add1
+ str r1, [r5] /* set m, n, m2 */
+ ldr r5, pll_div_add2
+ str r2, [r5] /* set l3/l4/.. dividers*/
+ ldr r5, pll_div_add3 /* wkup */
+ ldr r2, pll_div_val3 /* rsm val */
+ str r2, [r5]
+ ldr r5, pll_div_add4 /* gfx */
+ ldr r2, pll_div_val4
+ str r2, [r5]
+ ldr r5, pll_div_add5 /* emu */
+ ldr r2, pll_div_val5
+ str r2, [r5]
+
+ /* now prepare GPMC (flash) for new dpll speed */
+ /* flash needs to be stable when we jump back to it */
+ ldr r5, flash_cfg3_addr
+ ldr r2, flash_cfg3_val
+ str r2, [r5]
+ ldr r5, flash_cfg4_addr
+ ldr r2, flash_cfg4_val
+ str r2, [r5]
+ ldr r5, flash_cfg5_addr
+ ldr r2, flash_cfg5_val
+ str r2, [r5]
+ ldr r5, flash_cfg1_addr
+ ldr r2, [r5]
+ orr r2, r2, #0x3 /* up gpmc divider */
+ str r2, [r5]
+
+ /* lock DPLL3 and wait a bit */
+ orr r0, r0, #0x7 /* set up for lock mode */
+ str r0, [r4] /* lock */
+ nop /* ARM slow at this point working at sys_clk */
+ nop
+ nop
+ nop
+wait2:
+ ldr r5, [r3] /* get status */
+ and r5, r5, #0x1 /* isolate core status */
+ cmp r5, #0x1 /* still locked? */
+ bne wait2 /* if lock, loop */
+ nop
+ nop
+ nop
+ nop
+ ldmfd sp!, {r4 - r6}
+ mov pc, lr /* back to caller, locked */
+
+_go_to_speed: .word go_to_speed
+
+/* these constants need to be close for PIC code */
+/* The Nor has to be in the Flash Base CS0 for this condition to happen */
+flash_cfg1_addr:
+ .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG1)
+flash_cfg3_addr:
+ .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG3)
+flash_cfg3_val:
+ .word STNOR_GPMC_CONFIG3
+flash_cfg4_addr:
+ .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG4)
+flash_cfg4_val:
+ .word STNOR_GPMC_CONFIG4
+flash_cfg5_val:
+ .word STNOR_GPMC_CONFIG5
+flash_cfg5_addr:
+ .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG5)
+pll_ctl_add:
+ .word CM_CLKEN_PLL
+pll_div_add1:
+ .word CM_CLKSEL1_PLL
+pll_div_add2:
+ .word CM_CLKSEL_CORE
+pll_div_add3:
+ .word CM_CLKSEL_WKUP
+pll_div_val3:
+ .word (WKUP_RSM << 1)
+pll_div_add4:
+ .word CM_CLKSEL_GFX
+pll_div_val4:
+ .word (GFX_DIV << 0)
+pll_div_add5:
+ .word CM_CLKSEL1_EMU
+pll_div_val5:
+ .word CLSEL1_EMU_VAL
+
+#endif
+
+.globl lowlevel_init
+lowlevel_init:
+ ldr sp, SRAM_STACK
+ str ip, [sp] /* stash old link register */
+ mov ip, lr /* save link reg across call */
+ bl s_init /* go setup pll, mux, memory */
+ ldr ip, [sp] /* restore save ip */
+ mov lr, ip /* restore link reg */
+
+ /* back to arch calling code */
+ mov pc, lr
+
+ /* the literal pools origin */
+ .ltorg
+
+REG_CONTROL_STATUS:
+ .word CONTROL_STATUS
+SRAM_STACK:
+ .word LOW_LEVEL_SRAM_STACK
+
+/* DPLL(1-4) PARAM TABLES */
+
+/*
+ * Each of the tables has M, N, FREQSEL, M2 values defined for nominal
+ * OPP (1.2V). The fields are defined according to dpll_param struct (clock.c).
+ * The values are defined for all possible sysclk and for ES1 and ES2.
+ */
+
+mpu_dpll_param:
+/* 12MHz */
+/* ES1 */
+.word MPU_M_12_ES1, MPU_N_12_ES1, MPU_FSEL_12_ES1, MPU_M2_12_ES1
+/* ES2 */
+.word MPU_M_12_ES2, MPU_N_12_ES2, MPU_FSEL_12_ES2, MPU_M2_ES2
+/* 3410 */
+.word MPU_M_12, MPU_N_12, MPU_FSEL_12, MPU_M2_12
+
+/* 13MHz */
+/* ES1 */
+.word MPU_M_13_ES1, MPU_N_13_ES1, MPU_FSEL_13_ES1, MPU_M2_13_ES1
+/* ES2 */
+.word MPU_M_13_ES2, MPU_N_13_ES2, MPU_FSEL_13_ES2, MPU_M2_13_ES2
+/* 3410 */
+.word MPU_M_13, MPU_N_13, MPU_FSEL_13, MPU_M2_13
+
+/* 19.2MHz */
+/* ES1 */
+.word MPU_M_19P2_ES1, MPU_N_19P2_ES1, MPU_FSEL_19P2_ES1, MPU_M2_19P2_ES1
+/* ES2 */
+.word MPU_M_19P2_ES2, MPU_N_19P2_ES2, MPU_FSEL_19P2_ES2, MPU_M2_19P2_ES2
+/* 3410 */
+.word MPU_M_19P2, MPU_N_19P2, MPU_FSEL_19P2, MPU_M2_19P2
+
+/* 26MHz */
+/* ES1 */
+.word MPU_M_26_ES1, MPU_N_26_ES1, MPU_FSEL_26_ES1, MPU_M2_26_ES1
+/* ES2 */
+.word MPU_M_26_ES2, MPU_N_26_ES2, MPU_FSEL_26_ES2, MPU_M2_26_ES2
+/* 3410 */
+.word MPU_M_26, MPU_N_26, MPU_FSEL_26, MPU_M2_26
+
+/* 38.4MHz */
+/* ES1 */
+.word MPU_M_38P4_ES1, MPU_N_38P4_ES1, MPU_FSEL_38P4_ES1, MPU_M2_38P4_ES1
+/* ES2 */
+.word MPU_M_38P4_ES2, MPU_N_38P4_ES2, MPU_FSEL_38P4_ES2, MPU_M2_38P4_ES2
+/* 3410 */
+.word MPU_M_38P4, MPU_N_38P4, MPU_FSEL_38P4, MPU_M2_38P4
+
+
+.globl get_mpu_dpll_param
+get_mpu_dpll_param:
+ adr r0, mpu_dpll_param
+ mov pc, lr
+
+iva_dpll_param:
+/* 12MHz */
+/* ES1 */
+.word IVA_M_12_ES1, IVA_N_12_ES1, IVA_FSEL_12_ES1, IVA_M2_12_ES1
+/* ES2 */
+.word IVA_M_12_ES2, IVA_N_12_ES2, IVA_FSEL_12_ES2, IVA_M2_12_ES2
+/* 3410 */
+.word IVA_M_12, IVA_N_12, IVA_FSEL_12, IVA_M2_12
+
+/* 13MHz */
+/* ES1 */
+.word IVA_M_13_ES1, IVA_N_13_ES1, IVA_FSEL_13_ES1, IVA_M2_13_ES1
+/* ES2 */
+.word IVA_M_13_ES2, IVA_N_13_ES2, IVA_FSEL_13_ES2, IVA_M2_13_ES2
+/* 3410 */
+.word IVA_M_13, IVA_N_13, IVA_FSEL_13, IVA_M2_13
+
+/* 19.2MHz */
+/* ES1 */
+.word IVA_M_19P2_ES1, IVA_N_19P2_ES1, IVA_FSEL_19P2_ES1, IVA_M2_19P2_ES1
+/* ES2 */
+.word IVA_M_19P2_ES2, IVA_N_19P2_ES2, IVA_FSEL_19P2_ES2, IVA_M2_19P2_ES2
+/* 3410 */
+.word IVA_M_19P2, IVA_N_19P2, IVA_FSEL_19P2, IVA_M2_19P2
+
+/* 26MHz */
+/* ES1 */
+.word IVA_M_26_ES1, IVA_N_26_ES1, IVA_FSEL_26_ES1, IVA_M2_26_ES1
+/* ES2 */
+.word IVA_M_26_ES2, IVA_N_26_ES2, IVA_FSEL_26_ES2, IVA_M2_26_ES2
+/* 3410 */
+.word IVA_M_26, IVA_N_26, IVA_FSEL_26, IVA_M2_26
+
+/* 38.4MHz */
+/* ES1 */
+.word IVA_M_38P4_ES1, IVA_N_38P4_ES1, IVA_FSEL_38P4_ES1, IVA_M2_38P4_ES1
+/* ES2 */
+.word IVA_M_38P4_ES2, IVA_N_38P4_ES2, IVA_FSEL_38P4_ES2, IVA_M2_38P4_ES2
+/* 3410 */
+.word IVA_M_38P4, IVA_N_38P4, IVA_FSEL_38P4, IVA_M2_38P4
+
+
+.globl get_iva_dpll_param
+get_iva_dpll_param:
+ adr r0, iva_dpll_param
+ mov pc, lr
+
+/* Core DPLL targets for L3 at 166 & L133 */
+core_dpll_param:
+/* 12MHz */
+/* ES1 */
+.word CORE_M_12_ES1, CORE_N_12_ES1, CORE_FSL_12_ES1, CORE_M2_12_ES1
+/* ES2 */
+.word CORE_M_12, CORE_N_12, CORE_FSEL_12, CORE_M2_12
+/* 3410 */
+.word CORE_M_12, CORE_N_12, CORE_FSEL_12, CORE_M2_12
+
+/* 13MHz */
+/* ES1 */
+.word CORE_M_13_ES1, CORE_N_13_ES1, CORE_FSL_13_ES1, CORE_M2_13_ES1
+/* ES2 */
+.word CORE_M_13, CORE_N_13, CORE_FSEL_13, CORE_M2_13
+/* 3410 */
+.word CORE_M_13, CORE_N_13, CORE_FSEL_13, CORE_M2_13
+
+/* 19.2MHz */
+/* ES1 */
+.word CORE_M_19P2_ES1, CORE_N_19P2_ES1, CORE_FSL_19P2_ES1, CORE_M2_19P2_ES1
+/* ES2 */
+.word CORE_M_19P2, CORE_N_19P2, CORE_FSEL_19P2, CORE_M2_19P2
+/* 3410 */
+.word CORE_M_19P2, CORE_N_19P2, CORE_FSEL_19P2, CORE_M2_19P2
+
+/* 26MHz */
+/* ES1 */
+.word CORE_M_26_ES1, CORE_N_26_ES1, CORE_FSL_26_ES1, CORE_M2_26_ES1
+/* ES2 */
+.word CORE_M_26, CORE_N_26, CORE_FSEL_26, CORE_M2_26
+/* 3410 */
+.word CORE_M_26, CORE_N_26, CORE_FSEL_26, CORE_M2_26
+
+/* 38.4MHz */
+/* ES1 */
+.word CORE_M_38P4_ES1, CORE_N_38P4_ES1, CORE_FSL_38P4_ES1, CORE_M2_38P4_ES1
+/* ES2 */
+.word CORE_M_38P4, CORE_N_38P4, CORE_FSEL_38P4, CORE_M2_38P4
+/* 3410 */
+.word CORE_M_38P4, CORE_N_38P4, CORE_FSEL_38P4, CORE_M2_38P4
+
+.globl get_core_dpll_param
+get_core_dpll_param:
+ adr r0, core_dpll_param
+ mov pc, lr
+
+/* PER DPLL values are same for both ES1 and ES2 */
+per_dpll_param:
+/* 12MHz */
+.word PER_M_12, PER_N_12, PER_FSEL_12, PER_M2_12
+
+/* 13MHz */
+.word PER_M_13, PER_N_13, PER_FSEL_13, PER_M2_13
+
+/* 19.2MHz */
+.word PER_M_19P2, PER_N_19P2, PER_FSEL_19P2, PER_M2_19P2
+
+/* 26MHz */
+.word PER_M_26, PER_N_26, PER_FSEL_26, PER_M2_26
+
+/* 38.4MHz */
+.word PER_M_38P4, PER_N_38P4, PER_FSEL_38P4, PER_M2_38P4
+
+.globl get_per_dpll_param
+get_per_dpll_param:
+ adr r0, per_dpll_param
+ mov pc, lr
--- /dev/null
+/*
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Manikandan Pillai <mani.pillai@ti.com>
+ *
+ * Initial Code from:
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+#include <command.h>
+
+/*
+ * Only One NAND allowed on board at a time.
+ * The GPMC CS Base for the same
+ */
+unsigned int boot_flash_base;
+unsigned int boot_flash_off;
+unsigned int boot_flash_sec;
+unsigned int boot_flash_type;
+volatile unsigned int boot_flash_env_addr;
+
+struct gpmc *gpmc_cfg;
+
+#if defined(CONFIG_CMD_NAND)
+static const u32 gpmc_m_nand[GPMC_MAX_REG] = {
+ M_NAND_GPMC_CONFIG1,
+ M_NAND_GPMC_CONFIG2,
+ M_NAND_GPMC_CONFIG3,
+ M_NAND_GPMC_CONFIG4,
+ M_NAND_GPMC_CONFIG5,
+ M_NAND_GPMC_CONFIG6, 0
+};
+
+#if defined(CONFIG_ENV_IS_IN_NAND)
+#define GPMC_CS 0
+#else
+#define GPMC_CS 1
+#endif
+
+#endif
+
+#if defined(CONFIG_CMD_ONENAND)
+static const u32 gpmc_onenand[GPMC_MAX_REG] = {
+ ONENAND_GPMC_CONFIG1,
+ ONENAND_GPMC_CONFIG2,
+ ONENAND_GPMC_CONFIG3,
+ ONENAND_GPMC_CONFIG4,
+ ONENAND_GPMC_CONFIG5,
+ ONENAND_GPMC_CONFIG6, 0
+};
+
+#if defined(CONFIG_ENV_IS_IN_ONENAND)
+#define GPMC_CS 0
+#else
+#define GPMC_CS 1
+#endif
+
+#endif
+
+/********************************************************
+ * mem_ok() - test used to see if timings are correct
+ * for a part. Helps in guessing which part
+ * we are currently using.
+ *******************************************************/
+u32 mem_ok(u32 cs)
+{
+ u32 val1, val2, addr;
+ u32 pattern = 0x12345678;
+
+ addr = OMAP34XX_SDRC_CS0 + get_sdr_cs_offset(cs);
+
+ writel(0x0, addr + 0x400); /* clear pos A */
+ writel(pattern, addr); /* pattern to pos B */
+ writel(0x0, addr + 4); /* remove pattern off the bus */
+ val1 = readl(addr + 0x400); /* get pos A value */
+ val2 = readl(addr); /* get val2 */
+
+ if ((val1 != 0) || (val2 != pattern)) /* see if pos A val changed */
+ return 0;
+ else
+ return 1;
+}
+
+void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
+ u32 size)
+{
+ writel(0, &cs->config7);
+ sdelay(1000);
+ /* Delay for settling */
+ writel(gpmc_config[0], &cs->config1);
+ writel(gpmc_config[1], &cs->config2);
+ writel(gpmc_config[2], &cs->config3);
+ writel(gpmc_config[3], &cs->config4);
+ writel(gpmc_config[4], &cs->config5);
+ writel(gpmc_config[5], &cs->config6);
+ /* Enable the config */
+ writel((((size & 0xF) << 8) | ((base >> 24) & 0x3F) |
+ (1 << 6)), &cs->config7);
+ sdelay(2000);
+}
+
+/*****************************************************
+ * gpmc_init(): init gpmc bus
+ * Init GPMC for x16, MuxMode (SDRAM in x32).
+ * This code can only be executed from SRAM or SDRAM.
+ *****************************************************/
+void gpmc_init(void)
+{
+ /* putting a blanket check on GPMC based on ZeBu for now */
+ gpmc_cfg = (struct gpmc *)GPMC_BASE;
+#if defined(CONFIG_CMD_NAND) || defined(CONFIG_CMD_ONENAND)
+ const u32 *gpmc_config = NULL;
+ u32 base = 0;
+ u32 size = 0;
+#if defined(CONFIG_ENV_IS_IN_NAND) || defined(CONFIG_ENV_IS_IN_ONENAND)
+ u32 f_off = CONFIG_SYS_MONITOR_LEN;
+ u32 f_sec = 0;
+#endif
+#endif
+ u32 config = 0;
+
+ /* global settings */
+ writel(0, &gpmc_cfg->irqenable); /* isr's sources masked */
+ writel(0, &gpmc_cfg->timeout_control);/* timeout disable */
+
+ config = readl(&gpmc_cfg->config);
+ config &= (~0xf00);
+ writel(config, &gpmc_cfg->config);
+
+ /*
+ * Disable the GPMC0 config set by ROM code
+ * It conflicts with our MPDB (both at 0x08000000)
+ */
+ writel(0, &gpmc_cfg->cs[0].config7);
+ sdelay(1000);
+
+#if defined(CONFIG_CMD_NAND) /* CS 0 */
+ gpmc_config = gpmc_m_nand;
+
+ base = PISMO1_NAND_BASE;
+ size = PISMO1_NAND_SIZE;
+ enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size);
+#if defined(CONFIG_ENV_IS_IN_NAND)
+ f_off = SMNAND_ENV_OFFSET;
+ f_sec = (128 << 10); /* 128 KiB */
+ /* env setup */
+ boot_flash_base = base;
+ boot_flash_off = f_off;
+ boot_flash_sec = f_sec;
+ boot_flash_env_addr = f_off;
+#endif
+#endif
+
+#if defined(CONFIG_CMD_ONENAND)
+ gpmc_config = gpmc_onenand;
+ base = PISMO1_ONEN_BASE;
+ size = PISMO1_ONEN_SIZE;
+ enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size);
+#if defined(CONFIG_ENV_IS_IN_ONENAND)
+ f_off = ONENAND_ENV_OFFSET;
+ f_sec = (128 << 10); /* 128 KiB */
+ /* env setup */
+ boot_flash_base = base;
+ boot_flash_off = f_off;
+ boot_flash_sec = f_sec;
+ boot_flash_env_addr = f_off;
+#endif
+#endif
+}
--- /dev/null
+/*
+ * Functions related to OMAP3 SDRC.
+ *
+ * This file has been created after exctracting and consolidating
+ * the SDRC related content from mem.c and board.c, also created
+ * generic init function (mem_init).
+ *
+ * Copyright (C) 2004-2010
+ * Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Author :
+ * Vaibhav Hiremath <hvaibhav@ti.com>
+ *
+ * Original implementation by (mem.c, board.c) :
+ * Sunil Kumar <sunilsaini05@gmail.com>
+ * Shashi Ranjan <shashiranjanmca05@gmail.com>
+ * Manikandan Pillai <mani.pillai@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+
+extern omap3_sysinfo sysinfo;
+
+static struct sdrc *sdrc_base = (struct sdrc *)OMAP34XX_SDRC_BASE;
+
+/*
+ * is_mem_sdr -
+ * - Return 1 if mem type in use is SDR
+ */
+u32 is_mem_sdr(void)
+{
+ if (readl(&sdrc_base->cs[CS0].mr) == SDRC_MR_0_SDR)
+ return 1;
+ return 0;
+}
+
+/*
+ * make_cs1_contiguous -
+ * - For es2 and above remap cs1 behind cs0 to allow command line
+ * mem=xyz use all memory with out discontinuous support compiled in.
+ * Could do it at the ATAG, but there really is two banks...
+ * - Called as part of 2nd phase DDR init.
+ */
+void make_cs1_contiguous(void)
+{
+ u32 size, a_add_low, a_add_high;
+
+ size = get_sdr_cs_size(CS0);
+ size >>= 25; /* divide by 32 MiB to find size to offset CS1 */
+ a_add_high = (size & 3) << 8; /* set up low field */
+ a_add_low = (size & 0x3C) >> 2; /* set up high field */
+ writel((a_add_high | a_add_low), &sdrc_base->cs_cfg);
+
+}
+
+
+/*
+ * get_sdr_cs_size -
+ * - Get size of chip select 0/1
+ */
+u32 get_sdr_cs_size(u32 cs)
+{
+ u32 size;
+
+ /* get ram size field */
+ size = readl(&sdrc_base->cs[cs].mcfg) >> 8;
+ size &= 0x3FF; /* remove unwanted bits */
+ size <<= 21; /* multiply by 2 MiB to find size in MB */
+ return size;
+}
+
+/*
+ * get_sdr_cs_offset -
+ * - Get offset of cs from cs0 start
+ */
+u32 get_sdr_cs_offset(u32 cs)
+{
+ u32 offset;
+
+ if (!cs)
+ return 0;
+
+ offset = readl(&sdrc_base->cs_cfg);
+ offset = (offset & 15) << 27 | (offset & 0x30) >> 17;
+
+ return offset;
+}
+
+/*
+ * do_sdrc_init -
+ * - Initialize the SDRAM for use.
+ * - Sets up SDRC timings for CS0
+ * - code called once in C-Stack only context for CS0 and a possible 2nd
+ * time depending on memory configuration from stack+global context
+ */
+void do_sdrc_init(u32 cs, u32 early)
+{
+ struct sdrc_actim *sdrc_actim_base;
+
+ if (cs)
+ sdrc_actim_base = (struct sdrc_actim *)SDRC_ACTIM_CTRL1_BASE;
+ else
+ sdrc_actim_base = (struct sdrc_actim *)SDRC_ACTIM_CTRL0_BASE;
+
+ if (early) {
+ /* reset sdrc controller */
+ writel(SOFTRESET, &sdrc_base->sysconfig);
+ wait_on_value(RESETDONE, RESETDONE, &sdrc_base->status,
+ 12000000);
+ writel(0, &sdrc_base->sysconfig);
+
+ /* setup sdrc to ball mux */
+ writel(SDRC_SHARING, &sdrc_base->sharing);
+
+ /* Disable Power Down of CKE cuz of 1 CKE on combo part */
+ writel(WAKEUPPROC | SRFRONRESET | PAGEPOLICY_HIGH,
+ &sdrc_base->power);
+
+ writel(ENADLL | DLLPHASE_90, &sdrc_base->dlla_ctrl);
+ sdelay(0x20000);
+ }
+
+ writel(RASWIDTH_13BITS | CASWIDTH_10BITS | ADDRMUXLEGACY |
+ RAMSIZE_128 | BANKALLOCATION | B32NOT16 | B32NOT16 |
+ DEEPPD | DDR_SDRAM, &sdrc_base->cs[cs].mcfg);
+ writel(ARCV | ARE_ARCV_1, &sdrc_base->cs[cs].rfr_ctrl);
+ writel(V_ACTIMA_165, &sdrc_actim_base->ctrla);
+ writel(V_ACTIMB_165, &sdrc_actim_base->ctrlb);
+
+ writel(CMD_NOP, &sdrc_base->cs[cs].manual);
+ writel(CMD_PRECHARGE, &sdrc_base->cs[cs].manual);
+ writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
+ writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
+
+ /*
+ * CAS latency 3, Write Burst = Read Burst, Serial Mode,
+ * Burst length = 4
+ */
+ writel(CASL3 | BURSTLENGTH4, &sdrc_base->cs[cs].mr);
+
+ if (!mem_ok(cs))
+ writel(0, &sdrc_base->cs[cs].mcfg);
+}
+
+/*
+ * dram_init -
+ * - Sets uboots idea of sdram size
+ */
+int dram_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+ unsigned int size0 = 0, size1 = 0;
+
+ size0 = get_sdr_cs_size(CS0);
+ /*
+ * If a second bank of DDR is attached to CS1 this is
+ * where it can be started. Early init code will init
+ * memory on CS0.
+ */
+ if ((sysinfo.mtype == DDR_COMBO) || (sysinfo.mtype == DDR_STACKED)) {
+ do_sdrc_init(CS1, NOT_EARLY);
+ make_cs1_contiguous();
+
+ size1 = get_sdr_cs_size(CS1);
+ }
+
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = size0;
+ gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + get_sdr_cs_offset(CS1);
+ gd->bd->bi_dram[1].size = size1;
+
+ return 0;
+}
+
+/*
+ * mem_init -
+ * - Init the sdrc chip,
+ * - Selects CS0 and CS1,
+ */
+void mem_init(void)
+{
+ /* only init up first bank here */
+ do_sdrc_init(CS0, EARLY_INIT);
+}
--- /dev/null
+/*
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Manikandan Pillai <mani.pillai@ti.com>
+ *
+ * Derived from Beagle Board and 3430 SDP code by
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h> /* get mem tables */
+#include <asm/arch/sys_proto.h>
+#include <i2c.h>
+
+extern omap3_sysinfo sysinfo;
+static struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
+static char *rev_s[CPU_3XX_MAX_REV] = {
+ "1.0",
+ "2.0",
+ "2.1",
+ "3.0",
+ "3.1"};
+
+/*****************************************************************
+ * dieid_num_r(void) - read and set die ID
+ *****************************************************************/
+void dieid_num_r(void)
+{
+ struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE;
+ char *uid_s, die_id[34];
+ u32 id[4];
+
+ memset(die_id, 0, sizeof(die_id));
+
+ uid_s = getenv("dieid#");
+
+ if (uid_s == NULL) {
+ id[3] = readl(&id_base->die_id_0);
+ id[2] = readl(&id_base->die_id_1);
+ id[1] = readl(&id_base->die_id_2);
+ id[0] = readl(&id_base->die_id_3);
+ sprintf(die_id, "%08x%08x%08x%08x", id[0], id[1], id[2], id[3]);
+ setenv("dieid#", die_id);
+ uid_s = die_id;
+ }
+
+ printf("Die ID #%s\n", uid_s);
+}
+
+/******************************************
+ * get_cpu_type(void) - extract cpu info
+ ******************************************/
+u32 get_cpu_type(void)
+{
+ return readl(&ctrl_base->ctrl_omap_stat);
+}
+
+/******************************************
+ * get_cpu_rev(void) - extract version info
+ ******************************************/
+u32 get_cpu_rev(void)
+{
+ u32 cpuid = 0;
+ struct ctrl_id *id_base;
+
+ /*
+ * On ES1.0 the IDCODE register is not exposed on L4
+ * so using CPU ID to differentiate between ES1.0 and > ES1.0.
+ */
+ __asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r"(cpuid));
+ if ((cpuid & 0xf) == 0x0)
+ return CPU_3XX_ES10;
+ else {
+ /* Decode the IDs on > ES1.0 */
+ id_base = (struct ctrl_id *) OMAP34XX_ID_L4_IO_BASE;
+
+ cpuid = (readl(&id_base->idcode) >> CPU_3XX_ID_SHIFT) & 0xf;
+
+ /* Some early ES2.0 seem to report ID 0, fix this */
+ if(cpuid == 0)
+ cpuid = CPU_3XX_ES20;
+
+ return cpuid;
+ }
+}
+
+/***************************************************************************
+ * get_gpmc0_base() - Return current address hardware will be
+ * fetching from. The below effectively gives what is correct, its a bit
+ * mis-leading compared to the TRM. For the most general case the mask
+ * needs to be also taken into account this does work in practice.
+ * - for u-boot we currently map:
+ * -- 0 to nothing,
+ * -- 4 to flash
+ * -- 8 to enent
+ * -- c to wifi
+ ****************************************************************************/
+u32 get_gpmc0_base(void)
+{
+ u32 b;
+
+ b = readl(&gpmc_cfg->cs[0].config7);
+ b &= 0x1F; /* keep base [5:0] */
+ b = b << 24; /* ret 0x0b000000 */
+ return b;
+}
+
+/*******************************************************************
+ * get_gpmc0_width() - See if bus is in x8 or x16 (mainly for nand)
+ *******************************************************************/
+u32 get_gpmc0_width(void)
+{
+ return WIDTH_16BIT;
+}
+
+/*************************************************************************
+ * get_board_rev() - setup to pass kernel board revision information
+ * returns:(bit[0-3] sub version, higher bit[7-4] is higher version)
+ *************************************************************************/
+u32 get_board_rev(void)
+{
+ return 0x20;
+}
+
+/********************************************************
+ * get_base(); get upper addr of current execution
+ *******************************************************/
+u32 get_base(void)
+{
+ u32 val;
+
+ __asm__ __volatile__("mov %0, pc \n":"=r"(val)::"memory");
+ val &= 0xF0000000;
+ val >>= 28;
+ return val;
+}
+
+/********************************************************
+ * is_running_in_flash() - tell if currently running in
+ * FLASH.
+ *******************************************************/
+u32 is_running_in_flash(void)
+{
+ if (get_base() < 4)
+ return 1; /* in FLASH */
+
+ return 0; /* running in SRAM or SDRAM */
+}
+
+/********************************************************
+ * is_running_in_sram() - tell if currently running in
+ * SRAM.
+ *******************************************************/
+u32 is_running_in_sram(void)
+{
+ if (get_base() == 4)
+ return 1; /* in SRAM */
+
+ return 0; /* running in FLASH or SDRAM */
+}
+
+/********************************************************
+ * is_running_in_sdram() - tell if currently running in
+ * SDRAM.
+ *******************************************************/
+u32 is_running_in_sdram(void)
+{
+ if (get_base() > 4)
+ return 1; /* in SDRAM */
+
+ return 0; /* running in SRAM or FLASH */
+}
+
+/***************************************************************
+ * get_boot_type() - Is this an XIP type device or a stream one
+ * bits 4-0 specify type. Bit 5 says mem/perif
+ ***************************************************************/
+u32 get_boot_type(void)
+{
+ return (readl(&ctrl_base->status) & SYSBOOT_MASK);
+}
+
+/*************************************************************
+ * get_device_type(): tell if GP/HS/EMU/TST
+ *************************************************************/
+u32 get_device_type(void)
+{
+ return ((readl(&ctrl_base->status) & (DEVICE_MASK)) >> 8);
+}
+
+#ifdef CONFIG_DISPLAY_CPUINFO
+/**
+ * Print CPU information
+ */
+int print_cpuinfo (void)
+{
+ char *cpu_s, *sec_s;
+
+ switch (get_cpu_type()) {
+ case OMAP3503:
+ cpu_s = "3503";
+ break;
+ case OMAP3515:
+ cpu_s = "3515";
+ break;
+ case OMAP3525:
+ cpu_s = "3525";
+ break;
+ case OMAP3530:
+ cpu_s = "3530";
+ break;
+ default:
+ cpu_s = "35XX";
+ break;
+ }
+
+ switch (get_device_type()) {
+ case TST_DEVICE:
+ sec_s = "TST";
+ break;
+ case EMU_DEVICE:
+ sec_s = "EMU";
+ break;
+ case HS_DEVICE:
+ sec_s = "HS";
+ break;
+ case GP_DEVICE:
+ sec_s = "GP";
+ break;
+ default:
+ sec_s = "?";
+ }
+
+ printf("OMAP%s-%s ES%s, CPU-OPP2 L3-165MHz\n",
+ cpu_s, sec_s, rev_s[get_cpu_rev()]);
+
+ return 0;
+}
+#endif /* CONFIG_DISPLAY_CPUINFO */
--- /dev/null
+/*
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/clocks.h>
+#include <asm/arch/sys_proto.h>
+
+/************************************************************
+ * sdelay() - simple spin loop. Will be constant time as
+ * its generally used in bypass conditions only. This
+ * is necessary until timers are accessible.
+ *
+ * not inline to increase chances its in cache when called
+ *************************************************************/
+void sdelay(unsigned long loops)
+{
+ __asm__ volatile ("1:\n" "subs %0, %1, #1\n"
+ "bne 1b":"=r" (loops):"0"(loops));
+}
+
+/*****************************************************************
+ * sr32 - clear & set a value in a bit range for a 32 bit address
+ *****************************************************************/
+void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value)
+{
+ u32 tmp, msk = 0;
+ msk = 1 << num_bits;
+ --msk;
+ tmp = readl((u32)addr) & ~(msk << start_bit);
+ tmp |= value << start_bit;
+ writel(tmp, (u32)addr);
+}
+
+/*********************************************************************
+ * wait_on_value() - common routine to allow waiting for changes in
+ * volatile regs.
+ *********************************************************************/
+u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr,
+ u32 bound)
+{
+ u32 i = 0, val;
+ do {
+ ++i;
+ val = readl((u32)read_addr) & read_bit_mask;
+ if (val == match_value)
+ return 1;
+ if (i == bound)
+ return 0;
+ } while (1);
+}
--- /dev/null
+#
+# (C) Copyright 2000-2010
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).a
+
+SOBJS += lowlevel_init.o
+
+COBJS += board.o
+COBJS += sys_info.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+/*
+ *
+ * Common functions for OMAP4 based boards
+ *
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Aneesh V <aneesh@ti.com>
+ * Steve Sakoman <steve@sakoman.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/sys_proto.h>
+
+/*
+ * Routine: s_init
+ * Description: Does early system init of muxing and clocks.
+ * - Called path is with SRAM stack.
+ */
+void s_init(void)
+{
+ watchdog_init();
+}
+
+/*
+ * Routine: wait_for_command_complete
+ * Description: Wait for posting to finish on watchdog
+ */
+void wait_for_command_complete(struct watchdog *wd_base)
+{
+ int pending = 1;
+ do {
+ pending = readl(&wd_base->wwps);
+ } while (pending);
+}
+
+/*
+ * Routine: watchdog_init
+ * Description: Shut down watch dogs
+ */
+void watchdog_init(void)
+{
+ struct watchdog *wd2_base = (struct watchdog *)WDT2_BASE;
+
+ writel(WD_UNLOCK1, &wd2_base->wspr);
+ wait_for_command_complete(wd2_base);
+ writel(WD_UNLOCK2, &wd2_base->wspr);
+}
+
+/*
+ * Routine: dram_init
+ * Description: sets uboots idea of sdram size
+ */
+int dram_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bd->bi_dram[0].start = 0x80000000;
+ gd->bd->bi_dram[0].size = 512 << 20;
+ return 0;
+}
+
+/*
+ * Print board information
+ */
+int checkboard(void)
+{
+ puts(sysinfo.board_string);
+ return 0;
+}
+
--- /dev/null
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Aneesh V <aneesh@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/omap4.h>
+
+.globl lowlevel_init
+lowlevel_init:
+ /*
+ * Setup a temporary stack
+ */
+ ldr sp, =LOW_LEVEL_SRAM_STACK
+
+ /*
+ * Save the old lr(passed in ip) and the current lr to stack
+ */
+ push {ip, lr}
+
+ /*
+ * go setup pll, mux, memory
+ */
+ bl s_init
+ pop {ip, pc}
+
--- /dev/null
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Aneesh V <aneesh@ti.com>
+ * Steve Sakoman <steve@sakoman.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+
+/*
+ * get_device_type(): tell if GP/HS/EMU/TST
+ */
+u32 get_device_type(void)
+{
+ return 0;
+}
+
+/*
+ * get_board_rev() - get board revision
+ */
+u32 get_board_rev(void)
+{
+ return 0x20;
+}
+
+/*
+ * Print CPU information
+ */
+int print_cpuinfo(void)
+{
+
+ puts("CPU : OMAP4430\n");
+
+ return 0;
+}
+
--- /dev/null
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008
+# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).a
+
+SOBJS = cache.o
+SOBJS += reset.o
+
+COBJS += clock.o
+COBJS += cpu_info.o
+COBJS += sromc.o
+COBJS += timer.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * based on arch/arm/cpu/armv7/omap3/cache.S
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/cpu.h>
+
+.align 5
+.global invalidate_dcache
+.global l2_cache_enable
+.global l2_cache_disable
+
+/*
+ * invalidate_dcache()
+ * Invalidate the whole D-cache.
+ *
+ * Corrupted registers: r0-r5, r7, r9-r11
+ */
+invalidate_dcache:
+ stmfd r13!, {r0 - r5, r7, r9 - r12, r14}
+
+ cmp r0, #0xC100 @ check if the cpu is s5pc100
+
+ beq finished_inval @ s5pc100 doesn't need this
+ @ routine
+ mrc p15, 1, r0, c0, c0, 1 @ read clidr
+ ands r3, r0, #0x7000000 @ extract loc from clidr
+ mov r3, r3, lsr #23 @ left align loc bit field
+ beq finished_inval @ if loc is 0, then no need to
+ @ clean
+ mov r10, #0 @ start clean at cache level 0
+inval_loop1:
+ add r2, r10, r10, lsr #1 @ work out 3x current cache
+ @ level
+ mov r1, r0, lsr r2 @ extract cache type bits from
+ @ clidr
+ and r1, r1, #7 @ mask of the bits for current
+ @ cache only
+ cmp r1, #2 @ see what cache we have at
+ @ this level
+ blt skip_inval @ skip if no cache, or just
+ @ i-cache
+ mcr p15, 2, r10, c0, c0, 0 @ select current cache level
+ @ in cssr
+ mov r2, #0 @ operand for mcr SBZ
+ mcr p15, 0, r2, c7, c5, 4 @ flush prefetch buffer to
+ @ sych the new cssr&csidr,
+ @ with armv7 this is 'isb',
+ @ but we compile with armv5
+ mrc p15, 1, r1, c0, c0, 0 @ read the new csidr
+ and r2, r1, #7 @ extract the length of the
+ @ cache lines
+ add r2, r2, #4 @ add 4 (line length offset)
+ ldr r4, =0x3ff
+ ands r4, r4, r1, lsr #3 @ find maximum number on the
+ @ way size
+ clz r5, r4 @ find bit position of way
+ @ size increment
+ ldr r7, =0x7fff
+ ands r7, r7, r1, lsr #13 @ extract max number of the
+ @ index size
+inval_loop2:
+ mov r9, r4 @ create working copy of max
+ @ way size
+inval_loop3:
+ orr r11, r10, r9, lsl r5 @ factor way and cache number
+ @ into r11
+ orr r11, r11, r7, lsl r2 @ factor index number into r11
+ mcr p15, 0, r11, c7, c6, 2 @ invalidate by set/way
+ subs r9, r9, #1 @ decrement the way
+ bge inval_loop3
+ subs r7, r7, #1 @ decrement the index
+ bge inval_loop2
+skip_inval:
+ add r10, r10, #2 @ increment cache number
+ cmp r3, r10
+ bgt inval_loop1
+finished_inval:
+ mov r10, #0 @ swith back to cache level 0
+ mcr p15, 2, r10, c0, c0, 0 @ select current cache level
+ @ in cssr
+ mcr p15, 0, r10, c7, c5, 4 @ flush prefetch buffer,
+ @ with armv7 this is 'isb',
+ @ but we compile with armv5
+
+ ldmfd r13!, {r0 - r5, r7, r9 - r12, pc}
+
+l2_cache_enable:
+ push {r0, r1, r2, lr}
+ mrc 15, 0, r3, cr1, cr0, 1
+ orr r3, r3, #2
+ mcr 15, 0, r3, cr1, cr0, 1
+ pop {r1, r2, r3, pc}
+
+l2_cache_disable:
+ push {r0, r1, r2, lr}
+ mrc 15, 0, r3, cr1, cr0, 1
+ bic r3, r3, #2
+ mcr 15, 0, r3, cr1, cr0, 1
+ pop {r1, r2, r3, pc}
--- /dev/null
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ * Heungjun Kim <riverful.kim@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/clk.h>
+
+#define CLK_M 0
+#define CLK_D 1
+#define CLK_P 2
+
+#ifndef CONFIG_SYS_CLK_FREQ_C100
+#define CONFIG_SYS_CLK_FREQ_C100 12000000
+#endif
+#ifndef CONFIG_SYS_CLK_FREQ_C110
+#define CONFIG_SYS_CLK_FREQ_C110 24000000
+#endif
+
+unsigned long (*get_pclk)(void);
+unsigned long (*get_arm_clk)(void);
+unsigned long (*get_pll_clk)(int);
+
+/* s5pc110: return pll clock frequency */
+static unsigned long s5pc100_get_pll_clk(int pllreg)
+{
+ struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long r, m, p, s, mask, fout;
+ unsigned int freq;
+
+ switch (pllreg) {
+ case APLL:
+ r = readl(&clk->apll_con);
+ break;
+ case MPLL:
+ r = readl(&clk->mpll_con);
+ break;
+ case EPLL:
+ r = readl(&clk->epll_con);
+ break;
+ case HPLL:
+ r = readl(&clk->hpll_con);
+ break;
+ default:
+ printf("Unsupported PLL (%d)\n", pllreg);
+ return 0;
+ }
+
+ /*
+ * APLL_CON: MIDV [25:16]
+ * MPLL_CON: MIDV [23:16]
+ * EPLL_CON: MIDV [23:16]
+ * HPLL_CON: MIDV [23:16]
+ */
+ if (pllreg == APLL)
+ mask = 0x3ff;
+ else
+ mask = 0x0ff;
+
+ m = (r >> 16) & mask;
+
+ /* PDIV [13:8] */
+ p = (r >> 8) & 0x3f;
+ /* SDIV [2:0] */
+ s = r & 0x7;
+
+ /* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */
+ freq = CONFIG_SYS_CLK_FREQ_C100;
+ fout = m * (freq / (p * (1 << s)));
+
+ return fout;
+}
+
+/* s5pc100: return pll clock frequency */
+static unsigned long s5pc110_get_pll_clk(int pllreg)
+{
+ struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long r, m, p, s, mask, fout;
+ unsigned int freq;
+
+ switch (pllreg) {
+ case APLL:
+ r = readl(&clk->apll_con);
+ break;
+ case MPLL:
+ r = readl(&clk->mpll_con);
+ break;
+ case EPLL:
+ r = readl(&clk->epll_con);
+ break;
+ case VPLL:
+ r = readl(&clk->vpll_con);
+ break;
+ default:
+ printf("Unsupported PLL (%d)\n", pllreg);
+ return 0;
+ }
+
+ /*
+ * APLL_CON: MIDV [25:16]
+ * MPLL_CON: MIDV [25:16]
+ * EPLL_CON: MIDV [24:16]
+ * VPLL_CON: MIDV [24:16]
+ */
+ if (pllreg == APLL || pllreg == MPLL)
+ mask = 0x3ff;
+ else
+ mask = 0x1ff;
+
+ m = (r >> 16) & mask;
+
+ /* PDIV [13:8] */
+ p = (r >> 8) & 0x3f;
+ /* SDIV [2:0] */
+ s = r & 0x7;
+
+ freq = CONFIG_SYS_CLK_FREQ_C110;
+ if (pllreg == APLL) {
+ if (s < 1)
+ s = 1;
+ /* FOUT = MDIV * FIN / (PDIV * 2^(SDIV - 1)) */
+ fout = m * (freq / (p * (1 << (s - 1))));
+ } else
+ /* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */
+ fout = m * (freq / (p * (1 << s)));
+
+ return fout;
+}
+
+/* s5pc110: return ARM clock frequency */
+static unsigned long s5pc110_get_arm_clk(void)
+{
+ struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long div;
+ unsigned long dout_apll, armclk;
+ unsigned int apll_ratio;
+
+ div = readl(&clk->div0);
+
+ /* APLL_RATIO: [2:0] */
+ apll_ratio = div & 0x7;
+
+ dout_apll = get_pll_clk(APLL) / (apll_ratio + 1);
+ armclk = dout_apll;
+
+ return armclk;
+}
+
+/* s5pc100: return ARM clock frequency */
+static unsigned long s5pc100_get_arm_clk(void)
+{
+ struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long div;
+ unsigned long dout_apll, armclk;
+ unsigned int apll_ratio, arm_ratio;
+
+ div = readl(&clk->div0);
+
+ /* ARM_RATIO: [6:4] */
+ arm_ratio = (div >> 4) & 0x7;
+ /* APLL_RATIO: [0] */
+ apll_ratio = div & 0x1;
+
+ dout_apll = get_pll_clk(APLL) / (apll_ratio + 1);
+ armclk = dout_apll / (arm_ratio + 1);
+
+ return armclk;
+}
+
+/* s5pc100: return HCLKD0 frequency */
+static unsigned long get_hclk(void)
+{
+ struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long hclkd0;
+ uint div, d0_bus_ratio;
+
+ div = readl(&clk->div0);
+ /* D0_BUS_RATIO: [10:8] */
+ d0_bus_ratio = (div >> 8) & 0x7;
+
+ hclkd0 = get_arm_clk() / (d0_bus_ratio + 1);
+
+ return hclkd0;
+}
+
+/* s5pc100: return PCLKD1 frequency */
+static unsigned long get_pclkd1(void)
+{
+ struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long d1_bus, pclkd1;
+ uint div, d1_bus_ratio, pclkd1_ratio;
+
+ div = readl(&clk->div0);
+ /* D1_BUS_RATIO: [14:12] */
+ d1_bus_ratio = (div >> 12) & 0x7;
+ /* PCLKD1_RATIO: [18:16] */
+ pclkd1_ratio = (div >> 16) & 0x7;
+
+ /* ASYNC Mode */
+ d1_bus = get_pll_clk(MPLL) / (d1_bus_ratio + 1);
+ pclkd1 = d1_bus / (pclkd1_ratio + 1);
+
+ return pclkd1;
+}
+
+/* s5pc110: return HCLKs frequency */
+static unsigned long get_hclk_sys(int dom)
+{
+ struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long hclk;
+ unsigned int div;
+ unsigned int offset;
+ unsigned int hclk_sys_ratio;
+
+ if (dom == CLK_M)
+ return get_hclk();
+
+ div = readl(&clk->div0);
+
+ /*
+ * HCLK_MSYS_RATIO: [10:8]
+ * HCLK_DSYS_RATIO: [19:16]
+ * HCLK_PSYS_RATIO: [27:24]
+ */
+ offset = 8 + (dom << 0x3);
+
+ hclk_sys_ratio = (div >> offset) & 0xf;
+
+ hclk = get_pll_clk(MPLL) / (hclk_sys_ratio + 1);
+
+ return hclk;
+}
+
+/* s5pc110: return PCLKs frequency */
+static unsigned long get_pclk_sys(int dom)
+{
+ struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long pclk;
+ unsigned int div;
+ unsigned int offset;
+ unsigned int pclk_sys_ratio;
+
+ div = readl(&clk->div0);
+
+ /*
+ * PCLK_MSYS_RATIO: [14:12]
+ * PCLK_DSYS_RATIO: [22:20]
+ * PCLK_PSYS_RATIO: [30:28]
+ */
+ offset = 12 + (dom << 0x3);
+
+ pclk_sys_ratio = (div >> offset) & 0x7;
+
+ pclk = get_hclk_sys(dom) / (pclk_sys_ratio + 1);
+
+ return pclk;
+}
+
+/* s5pc110: return peripheral clock frequency */
+static unsigned long s5pc110_get_pclk(void)
+{
+ return get_pclk_sys(CLK_P);
+}
+
+/* s5pc100: return peripheral clock frequency */
+static unsigned long s5pc100_get_pclk(void)
+{
+ return get_pclkd1();
+}
+
+void s5pc1xx_clock_init(void)
+{
+ if (cpu_is_s5pc110()) {
+ get_pll_clk = s5pc110_get_pll_clk;
+ get_arm_clk = s5pc110_get_arm_clk;
+ get_pclk = s5pc110_get_pclk;
+ } else {
+ get_pll_clk = s5pc100_get_pll_clk;
+ get_arm_clk = s5pc100_get_arm_clk;
+ get_pclk = s5pc100_get_pclk;
+ }
+}
--- /dev/null
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clk.h>
+
+/* Default is s5pc100 */
+unsigned int s5pc1xx_cpu_id = 0xC100;
+
+#ifdef CONFIG_ARCH_CPU_INIT
+int arch_cpu_init(void)
+{
+ s5pc1xx_cpu_id = readl(S5PC1XX_PRO_ID);
+ s5pc1xx_cpu_id = 0xC000 | ((s5pc1xx_cpu_id & 0x00FFF000) >> 12);
+
+ s5pc1xx_clock_init();
+
+ return 0;
+}
+#endif
+
+u32 get_device_type(void)
+{
+ return s5pc1xx_cpu_id;
+}
+
+#ifdef CONFIG_DISPLAY_CPUINFO
+int print_cpuinfo(void)
+{
+ char buf[32];
+
+ printf("CPU:\tS5P%X@%sMHz\n",
+ s5pc1xx_cpu_id, strmhz(buf, get_arm_clk()));
+
+ return 0;
+}
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2009 Samsung Electronics.
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/cpu.h>
+
+#define S5PC100_SWRESET 0xE0200000
+#define S5PC110_SWRESET 0xE0102000
+
+.globl reset_cpu
+reset_cpu:
+ ldr r1, =S5PC1XX_PRO_ID
+ ldr r2, [r1]
+ ldr r4, =0x00010000
+ and r4, r2, r4
+ cmp r4, #0
+ bne 110f
+ /* S5PC100 */
+ ldr r1, =S5PC100_SWRESET
+ ldr r2, =0xC100
+ b 200f
+110: /* S5PC110 */
+ ldr r1, =S5PC110_SWRESET
+ mov r2, #1
+200:
+ str r2, [r1]
+_loop_forever:
+ b _loop_forever
--- /dev/null
+/*
+ * Copyright (C) 2010 Samsung Electronics
+ * Naveen Krishna Ch <ch.naveen@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/smc.h>
+
+/*
+ * s5pc1xx_config_sromc() - select the proper SROMC Bank and configure the
+ * band width control and bank control registers
+ * srom_bank - SROM Bank 0 to 5
+ * smc_bw_conf - SMC Band witdh reg configuration value
+ * smc_bc_conf - SMC Bank Control reg configuration value
+ */
+void s5pc1xx_config_sromc(u32 srom_bank, u32 smc_bw_conf, u32 smc_bc_conf)
+{
+ u32 tmp;
+ struct s5pc1xx_smc *srom;
+
+ if (cpu_is_s5pc100())
+ srom = (struct s5pc1xx_smc *)S5PC100_SROMC_BASE;
+ else
+ srom = (struct s5pc1xx_smc *)S5PC110_SROMC_BASE;
+
+ /* Configure SMC_BW register to handle proper SROMC bank */
+ tmp = srom->bw;
+ tmp &= ~(0xF << (srom_bank * 4));
+ tmp |= smc_bw_conf;
+ srom->bw = tmp;
+
+ /* Configure SMC_BC register */
+ srom->bc[srom_bank] = smc_bc_conf;
+}
--- /dev/null
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Heungjun Kim <riverful.kim@samsung.com>
+ * Inki Dae <inki.dae@samsung.com>
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/pwm.h>
+#include <asm/arch/clk.h>
+
+#define PRESCALER_1 (16 - 1) /* prescaler of timer 2, 3, 4 */
+#define MUX_DIV_2 1 /* 1/2 period */
+#define MUX_DIV_4 2 /* 1/4 period */
+#define MUX_DIV_8 3 /* 1/8 period */
+#define MUX_DIV_16 4 /* 1/16 period */
+#define MUX4_DIV_SHIFT 16
+
+#define TCON_TIMER4_SHIFT 20
+
+static unsigned long count_value;
+
+/* Internal tick units */
+static unsigned long long timestamp; /* Monotonic incrementing timer */
+static unsigned long lastdec; /* Last decremneter snapshot */
+
+/* macro to read the 16 bit timer */
+static inline struct s5pc1xx_timer *s5pc1xx_get_base_timer(void)
+{
+ if (cpu_is_s5pc110())
+ return (struct s5pc1xx_timer *)S5PC110_TIMER_BASE;
+ else
+ return (struct s5pc1xx_timer *)S5PC100_TIMER_BASE;
+}
+
+int timer_init(void)
+{
+ struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer();
+ u32 val;
+
+ /*
+ * @ PWM Timer 4
+ * Timer Freq(HZ) =
+ * PCLK / { (prescaler_value + 1) * (divider_value) }
+ */
+
+ /* set prescaler : 16 */
+ /* set divider : 2 */
+ writel((PRESCALER_1 & 0xff) << 8, &timer->tcfg0);
+ writel((MUX_DIV_2 & 0xf) << MUX4_DIV_SHIFT, &timer->tcfg1);
+
+ if (count_value == 0) {
+ /* reset initial value */
+ /* count_value = 2085937.5(HZ) (per 1 sec)*/
+ count_value = get_pclk() / ((PRESCALER_1 + 1) *
+ (MUX_DIV_2 + 1));
+
+ /* count_value / 100 = 20859.375(HZ) (per 10 msec) */
+ count_value = count_value / 100;
+ }
+
+ /* set count value */
+ writel(count_value, &timer->tcntb4);
+ lastdec = count_value;
+
+ val = (readl(&timer->tcon) & ~(0x07 << TCON_TIMER4_SHIFT)) |
+ S5PC1XX_TCON4_AUTO_RELOAD;
+
+ /* auto reload & manual update */
+ writel(val | S5PC1XX_TCON4_UPDATE, &timer->tcon);
+
+ /* start PWM timer 4 */
+ writel(val | S5PC1XX_TCON4_START, &timer->tcon);
+
+ timestamp = 0;
+
+ return 0;
+}
+
+/*
+ * timer without interrupts
+ */
+void reset_timer(void)
+{
+ reset_timer_masked();
+}
+
+unsigned long get_timer(unsigned long base)
+{
+ return get_timer_masked() - base;
+}
+
+void set_timer(unsigned long t)
+{
+ timestamp = t;
+}
+
+/* delay x useconds */
+void __udelay(unsigned long usec)
+{
+ unsigned long tmo, tmp;
+
+ if (usec >= 1000) {
+ /*
+ * if "big" number, spread normalization
+ * to seconds
+ * 1. start to normalize for usec to ticks per sec
+ * 2. find number of "ticks" to wait to achieve target
+ * 3. finish normalize.
+ */
+ tmo = usec / 1000;
+ tmo *= (CONFIG_SYS_HZ * count_value / 10);
+ tmo /= 1000;
+ } else {
+ /* else small number, don't kill it prior to HZ multiply */
+ tmo = usec * CONFIG_SYS_HZ * count_value / 10;
+ tmo /= (1000 * 1000);
+ }
+
+ /* get current timestamp */
+ tmp = get_timer(0);
+
+ /* if setting this fordward will roll time stamp */
+ /* reset "advancing" timestamp to 0, set lastdec value */
+ /* else, set advancing stamp wake up time */
+ if ((tmo + tmp + 1) < tmp)
+ reset_timer_masked();
+ else
+ tmo += tmp;
+
+ /* loop till event */
+ while (get_timer_masked() < tmo)
+ ; /* nop */
+}
+
+void reset_timer_masked(void)
+{
+ struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer();
+
+ /* reset time */
+ lastdec = readl(&timer->tcnto4);
+ timestamp = 0;
+}
+
+unsigned long get_timer_masked(void)
+{
+ struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer();
+ unsigned long now = readl(&timer->tcnto4);
+
+ if (lastdec >= now)
+ timestamp += lastdec - now;
+ else
+ timestamp += lastdec + count_value - now;
+
+ lastdec = now;
+
+ return timestamp;
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+ return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+unsigned long get_tbclk(void)
+{
+ return CONFIG_SYS_HZ;
+}
--- /dev/null
+/*
+ * armboot - Startup Code for OMAP3530/ARM Cortex CPU-core
+ *
+ * Copyright (c) 2004 Texas Instruments <r-woodruff2@ti.com>
+ *
+ * Copyright (c) 2001 Marius Gröger <mag@sysgo.de>
+ * Copyright (c) 2002 Alex Züpke <azu@sysgo.de>
+ * Copyright (c) 2002 Gary Jennejohn <garyj@denx.de>
+ * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com>
+ * Copyright (c) 2003 Kshitij <kshitij@ti.com>
+ * Copyright (c) 2006-2008 Syed Mohammed Khasim <x0khasim@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <version.h>
+
+.globl _start
+_start: b reset
+ ldr pc, _undefined_instruction
+ ldr pc, _software_interrupt
+ ldr pc, _prefetch_abort
+ ldr pc, _data_abort
+ ldr pc, _not_used
+ ldr pc, _irq
+ ldr pc, _fiq
+
+_undefined_instruction: .word undefined_instruction
+_software_interrupt: .word software_interrupt
+_prefetch_abort: .word prefetch_abort
+_data_abort: .word data_abort
+_not_used: .word not_used
+_irq: .word irq
+_fiq: .word fiq
+_pad: .word 0x12345678 /* now 16*4=64 */
+.global _end_vect
+_end_vect:
+
+ .balignl 16,0xdeadbeef
+/*************************************************************************
+ *
+ * Startup Code (reset vector)
+ *
+ * do important init only if we don't start from memory!
+ * setup Memory and board specific bits prior to relocation.
+ * relocate armboot to ram
+ * setup stack
+ *
+ *************************************************************************/
+
+_TEXT_BASE:
+ .word TEXT_BASE
+
+.globl _armboot_start
+_armboot_start:
+ .word _start
+
+/*
+ * These are defined in the board-specific linker script.
+ */
+.globl _bss_start
+_bss_start:
+ .word __bss_start
+
+.globl _bss_end
+_bss_end:
+ .word _end
+
+#ifdef CONFIG_USE_IRQ
+/* IRQ stack memory (calculated at run-time) */
+.globl IRQ_STACK_START
+IRQ_STACK_START:
+ .word 0x0badc0de
+
+/* IRQ stack memory (calculated at run-time) */
+.globl FIQ_STACK_START
+FIQ_STACK_START:
+ .word 0x0badc0de
+#endif
+
+/*
+ * the actual reset code
+ */
+
+reset:
+ /*
+ * set the cpu to SVC32 mode
+ */
+ mrs r0, cpsr
+ bic r0, r0, #0x1f
+ orr r0, r0, #0xd3
+ msr cpsr,r0
+
+#if (CONFIG_OMAP34XX)
+ /* Copy vectors to mask ROM indirect addr */
+ adr r0, _start @ r0 <- current position of code
+ add r0, r0, #4 @ skip reset vector
+ mov r2, #64 @ r2 <- size to copy
+ add r2, r0, r2 @ r2 <- source end address
+ mov r1, #SRAM_OFFSET0 @ build vect addr
+ mov r3, #SRAM_OFFSET1
+ add r1, r1, r3
+ mov r3, #SRAM_OFFSET2
+ add r1, r1, r3
+next:
+ ldmia r0!, {r3 - r10} @ copy from source address [r0]
+ stmia r1!, {r3 - r10} @ copy to target address [r1]
+ cmp r0, r2 @ until source end address [r2]
+ bne next @ loop until equal */
+#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_ONENAND_BOOT)
+ /* No need to copy/exec the clock code - DPLL adjust already done
+ * in NAND/oneNAND Boot.
+ */
+ bl cpy_clk_code @ put dpll adjust code behind vectors
+#endif /* NAND Boot */
+#endif
+ /* the mask ROM code should have PLL and others stable */
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+ bl cpu_init_crit
+#endif
+
+#ifndef CONFIG_SKIP_RELOCATE_UBOOT
+relocate: @ relocate U-Boot to RAM
+ adr r0, _start @ r0 <- current position of code
+ ldr r1, _TEXT_BASE @ test if we run from flash or RAM
+ cmp r0, r1 @ don't reloc during debug
+ beq stack_setup
+
+ ldr r2, _armboot_start
+ ldr r3, _bss_start
+ sub r2, r3, r2 @ r2 <- size of armboot
+ add r2, r0, r2 @ r2 <- source end address
+
+copy_loop: @ copy 32 bytes at a time
+ ldmia r0!, {r3 - r10} @ copy from source address [r0]
+ stmia r1!, {r3 - r10} @ copy to target address [r1]
+ cmp r0, r2 @ until source end addreee [r2]
+ ble copy_loop
+#endif /* CONFIG_SKIP_RELOCATE_UBOOT */
+
+ /* Set up the stack */
+stack_setup:
+ ldr r0, _TEXT_BASE @ upper 128 KiB: relocated uboot
+ sub r0, r0, #CONFIG_SYS_MALLOC_LEN @ malloc area
+ sub r0, r0, #CONFIG_SYS_GBL_DATA_SIZE @ bdinfo
+#ifdef CONFIG_USE_IRQ
+ sub r0, r0, #(CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ)
+#endif
+ sub sp, r0, #12 @ leave 3 words for abort-stack
+ bic sp, sp, #7 @ 8-byte alignment for ABI compliance
+
+ /* Clear BSS (if any). Is below tx (watch load addr - need space) */
+clear_bss:
+ ldr r0, _bss_start @ find start of bss segment
+ ldr r1, _bss_end @ stop here
+ mov r2, #0x00000000 @ clear value
+clbss_l:
+ str r2, [r0] @ clear BSS location
+ cmp r0, r1 @ are we at the end yet
+ add r0, r0, #4 @ increment clear index pointer
+ bne clbss_l @ keep clearing till at end
+
+ ldr pc, _start_armboot @ jump to C code
+
+_start_armboot: .word start_armboot
+
+
+/*************************************************************************
+ *
+ * CPU_init_critical registers
+ *
+ * setup important registers
+ * setup memory timing
+ *
+ *************************************************************************/
+cpu_init_crit:
+ /*
+ * Invalidate L1 I/D
+ */
+ mov r0, #0 @ set up for MCR
+ mcr p15, 0, r0, c8, c7, 0 @ invalidate TLBs
+ mcr p15, 0, r0, c7, c5, 0 @ invalidate icache
+
+ /*
+ * disable MMU stuff and caches
+ */
+ mrc p15, 0, r0, c1, c0, 0
+ bic r0, r0, #0x00002000 @ clear bits 13 (--V-)
+ bic r0, r0, #0x00000007 @ clear bits 2:0 (-CAM)
+ orr r0, r0, #0x00000002 @ set bit 1 (--A-) Align
+ orr r0, r0, #0x00000800 @ set bit 12 (Z---) BTB
+ mcr p15, 0, r0, c1, c0, 0
+
+ /*
+ * Jump to board specific initialization...
+ * The Mask ROM will have already initialized
+ * basic memory. Go here to bump up clock rate and handle
+ * wake up conditions.
+ */
+ mov ip, lr @ persevere link reg across call
+ bl lowlevel_init @ go setup pll,mux,memory
+ mov lr, ip @ restore link
+ mov pc, lr @ back to my caller
+/*
+ *************************************************************************
+ *
+ * Interrupt handling
+ *
+ *************************************************************************
+ */
+@
+@ IRQ stack frame.
+@
+#define S_FRAME_SIZE 72
+
+#define S_OLD_R0 68
+#define S_PSR 64
+#define S_PC 60
+#define S_LR 56
+#define S_SP 52
+
+#define S_IP 48
+#define S_FP 44
+#define S_R10 40
+#define S_R9 36
+#define S_R8 32
+#define S_R7 28
+#define S_R6 24
+#define S_R5 20
+#define S_R4 16
+#define S_R3 12
+#define S_R2 8
+#define S_R1 4
+#define S_R0 0
+
+#define MODE_SVC 0x13
+#define I_BIT 0x80
+
+/*
+ * use bad_save_user_regs for abort/prefetch/undef/swi ...
+ * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling
+ */
+
+ .macro bad_save_user_regs
+ sub sp, sp, #S_FRAME_SIZE @ carve out a frame on current
+ @ user stack
+ stmia sp, {r0 - r12} @ Save user registers (now in
+ @ svc mode) r0-r12
+
+ ldr r2, _armboot_start
+ sub r2, r2, #(CONFIG_SYS_MALLOC_LEN)
+ sub r2, r2, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ set base 2 words into abort
+ @ stack
+ ldmia r2, {r2 - r3} @ get values for "aborted" pc
+ @ and cpsr (into parm regs)
+ add r0, sp, #S_FRAME_SIZE @ grab pointer to old stack
+
+ add r5, sp, #S_SP
+ mov r1, lr
+ stmia r5, {r0 - r3} @ save sp_SVC, lr_SVC, pc, cpsr
+ mov r0, sp @ save current stack into r0
+ @ (param register)
+ .endm
+
+ .macro irq_save_user_regs
+ sub sp, sp, #S_FRAME_SIZE
+ stmia sp, {r0 - r12} @ Calling r0-r12
+ add r8, sp, #S_PC @ !! R8 NEEDS to be saved !!
+ @ a reserved stack spot would
+ @ be good.
+ stmdb r8, {sp, lr}^ @ Calling SP, LR
+ str lr, [r8, #0] @ Save calling PC
+ mrs r6, spsr
+ str r6, [r8, #4] @ Save CPSR
+ str r0, [r8, #8] @ Save OLD_R0
+ mov r0, sp
+ .endm
+
+ .macro irq_restore_user_regs
+ ldmia sp, {r0 - lr}^ @ Calling r0 - lr
+ mov r0, r0
+ ldr lr, [sp, #S_PC] @ Get PC
+ add sp, sp, #S_FRAME_SIZE
+ subs pc, lr, #4 @ return & move spsr_svc into
+ @ cpsr
+ .endm
+
+ .macro get_bad_stack
+ ldr r13, _armboot_start @ setup our mode stack (enter
+ @ in banked mode)
+ sub r13, r13, #(CONFIG_SYS_MALLOC_LEN) @ move past malloc pool
+ sub r13, r13, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ move to reserved a couple
+ @ spots for abort stack
+
+ str lr, [r13] @ save caller lr in position 0
+ @ of saved stack
+ mrs lr, spsr @ get the spsr
+ str lr, [r13, #4] @ save spsr in position 1 of
+ @ saved stack
+
+ mov r13, #MODE_SVC @ prepare SVC-Mode
+ @ msr spsr_c, r13
+ msr spsr, r13 @ switch modes, make sure
+ @ moves will execute
+ mov lr, pc @ capture return pc
+ movs pc, lr @ jump to next instruction &
+ @ switch modes.
+ .endm
+
+ .macro get_bad_stack_swi
+ sub r13, r13, #4 @ space on current stack for
+ @ scratch reg.
+ str r0, [r13] @ save R0's value.
+ ldr r0, _armboot_start @ get data regions start
+ sub r0, r0, #(CONFIG_SYS_MALLOC_LEN) @ move past malloc pool
+ sub r0, r0, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ move past gbl and a couple
+ @ spots for abort stack
+ str lr, [r0] @ save caller lr in position 0
+ @ of saved stack
+ mrs r0, spsr @ get the spsr
+ str lr, [r0, #4] @ save spsr in position 1 of
+ @ saved stack
+ ldr r0, [r13] @ restore r0
+ add r13, r13, #4 @ pop stack entry
+ .endm
+
+ .macro get_irq_stack @ setup IRQ stack
+ ldr sp, IRQ_STACK_START
+ .endm
+
+ .macro get_fiq_stack @ setup FIQ stack
+ ldr sp, FIQ_STACK_START
+ .endm
+
+/*
+ * exception handlers
+ */
+ .align 5
+undefined_instruction:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_undefined_instruction
+
+ .align 5
+software_interrupt:
+ get_bad_stack_swi
+ bad_save_user_regs
+ bl do_software_interrupt
+
+ .align 5
+prefetch_abort:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_prefetch_abort
+
+ .align 5
+data_abort:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_data_abort
+
+ .align 5
+not_used:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_not_used
+
+#ifdef CONFIG_USE_IRQ
+
+ .align 5
+irq:
+ get_irq_stack
+ irq_save_user_regs
+ bl do_irq
+ irq_restore_user_regs
+
+ .align 5
+fiq:
+ get_fiq_stack
+ /* someone ought to write a more effective fiq_save_user_regs */
+ irq_save_user_regs
+ bl do_fiq
+ irq_restore_user_regs
+
+#else
+
+ .align 5
+irq:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_irq
+
+ .align 5
+fiq:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_fiq
+
+#endif
--- /dev/null
+/*
+ * January 2004 - Changed to support H4 device
+ * Copyright (c) 2004-2008 Texas Instruments
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ arch/arm/cpu/armv7/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+ __bss_start = .;
+ .bss : { *(.bss) }
+ _end = .;
+}
/*
- * needed for arch/arm/cpu/arm_cortexa8/mx51/lowlevel_init.S
+ * needed for arch/arm/cpu/armv7/mx51/lowlevel_init.S
*
* These should be auto-generated
*/
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
-#ifndef _I2C_H_
-#define _I2C_H_
+#ifndef _OMAP3_I2C_H_
+#define _OMAP3_I2C_H_
+#define I2C_BUS_MAX 3
#define I2C_DEFAULT_BASE I2C_BASE1
struct i2c {
unsigned short res15;
};
-#define I2C_BUS_MAX 3
-
-/* I2C masks */
-
-/* I2C Interrupt Enable Register (I2C_IE): */
-#define I2C_IE_GC_IE (1 << 5)
-#define I2C_IE_XRDY_IE (1 << 4) /* Transmit data ready interrupt enable */
-#define I2C_IE_RRDY_IE (1 << 3) /* Receive data ready interrupt enable */
-#define I2C_IE_ARDY_IE (1 << 2) /* Register access ready interrupt enable */
-#define I2C_IE_NACK_IE (1 << 1) /* No acknowledgment interrupt enable */
-#define I2C_IE_AL_IE (1 << 0) /* Arbitration lost interrupt enable */
-
-/* I2C Status Register (I2C_STAT): */
-
-#define I2C_STAT_SBD (1 << 15) /* Single byte data */
-#define I2C_STAT_BB (1 << 12) /* Bus busy */
-#define I2C_STAT_ROVR (1 << 11) /* Receive overrun */
-#define I2C_STAT_XUDF (1 << 10) /* Transmit underflow */
-#define I2C_STAT_AAS (1 << 9) /* Address as slave */
-#define I2C_STAT_GC (1 << 5)
-#define I2C_STAT_XRDY (1 << 4) /* Transmit data ready */
-#define I2C_STAT_RRDY (1 << 3) /* Receive data ready */
-#define I2C_STAT_ARDY (1 << 2) /* Register access ready */
-#define I2C_STAT_NACK (1 << 1) /* No acknowledgment interrupt enable */
-#define I2C_STAT_AL (1 << 0) /* Arbitration lost interrupt enable */
-
-/* I2C Interrupt Code Register (I2C_INTCODE): */
-
-#define I2C_INTCODE_MASK 7
-#define I2C_INTCODE_NONE 0
-#define I2C_INTCODE_AL 1 /* Arbitration lost */
-#define I2C_INTCODE_NAK 2 /* No acknowledgement/general call */
-#define I2C_INTCODE_ARDY 3 /* Register access ready */
-#define I2C_INTCODE_RRDY 4 /* Rcv data ready */
-#define I2C_INTCODE_XRDY 5 /* Xmit data ready */
-
-/* I2C Buffer Configuration Register (I2C_BUF): */
-
-#define I2C_BUF_RDMA_EN (1 << 15) /* Receive DMA channel enable */
-#define I2C_BUF_XDMA_EN (1 << 7) /* Transmit DMA channel enable */
-
-/* I2C Configuration Register (I2C_CON): */
-
-#define I2C_CON_EN (1 << 15) /* I2C module enable */
-#define I2C_CON_BE (1 << 14) /* Big endian mode */
-#define I2C_CON_STB (1 << 11) /* Start byte mode (master mode only) */
-#define I2C_CON_MST (1 << 10) /* Master/slave mode */
-#define I2C_CON_TRX (1 << 9) /* Transmitter/receiver mode */
- /* (master mode only) */
-#define I2C_CON_XA (1 << 8) /* Expand address */
-#define I2C_CON_STP (1 << 1) /* Stop condition (master mode only) */
-#define I2C_CON_STT (1 << 0) /* Start condition (master mode only) */
-
-/* I2C System Test Register (I2C_SYSTEST): */
-
-#define I2C_SYSTEST_ST_EN (1 << 15) /* System test enable */
-#define I2C_SYSTEST_FREE (1 << 14) /* Free running mode, on brkpoint) */
-#define I2C_SYSTEST_TMODE_MASK (3 << 12) /* Test mode select */
-#define I2C_SYSTEST_TMODE_SHIFT (12) /* Test mode select */
-#define I2C_SYSTEST_SCL_I (1 << 3) /* SCL line sense input value */
-#define I2C_SYSTEST_SCL_O (1 << 2) /* SCL line drive output value */
-#define I2C_SYSTEST_SDA_I (1 << 1) /* SDA line sense input value */
-#define I2C_SYSTEST_SDA_O (1 << 0) /* SDA line drive output value */
-
-#define I2C_SCLL_SCLL 0
-#define I2C_SCLL_SCLL_M 0xFF
-#define I2C_SCLL_HSSCLL 8
-#define I2C_SCLH_HSSCLL_M 0xFF
-#define I2C_SCLH_SCLH 0
-#define I2C_SCLH_SCLH_M 0xFF
-#define I2C_SCLH_HSSCLH 8
-#define I2C_SCLH_HSSCLH_M 0xFF
-
-#define OMAP_I2C_STANDARD 100000
-#define OMAP_I2C_FAST_MODE 400000
-#define OMAP_I2C_HIGH_SPEED 3400000
-
-#define SYSTEM_CLOCK_12 12000000
-#define SYSTEM_CLOCK_13 13000000
-#define SYSTEM_CLOCK_192 19200000
-#define SYSTEM_CLOCK_96 96000000
-
-/* Use the reference value of 96MHz if not explicitly set by the board */
-#ifndef I2C_IP_CLK
-#define I2C_IP_CLK SYSTEM_CLOCK_96
-#endif
-
-/*
- * The reference minimum clock for high speed is 19.2MHz.
- * The linux 2.6.30 kernel uses this value.
- * The reference minimum clock for fast mode is 9.6MHz
- * The reference minimum clock for standard mode is 4MHz
- * In TRM, the value of 12MHz is used.
- */
-#ifndef I2C_INTERNAL_SAMPLING_CLK
-#define I2C_INTERNAL_SAMPLING_CLK 19200000
-#endif
-
-/*
- * The equation for the low and high time is
- * tlow = scll + scll_trim = (sampling clock * tlow_duty) / speed
- * thigh = sclh + sclh_trim = (sampling clock * (1 - tlow_duty)) / speed
- *
- * If the duty cycle is 50%
- *
- * tlow = scll + scll_trim = sampling clock / (2 * speed)
- * thigh = sclh + sclh_trim = sampling clock / (2 * speed)
- *
- * In TRM
- * scll_trim = 7
- * sclh_trim = 5
- *
- * The linux 2.6.30 kernel uses
- * scll_trim = 6
- * sclh_trim = 6
- *
- * These are the trim values for standard and fast speed
- */
-#ifndef I2C_FASTSPEED_SCLL_TRIM
-#define I2C_FASTSPEED_SCLL_TRIM 6
-#endif
-#ifndef I2C_FASTSPEED_SCLH_TRIM
-#define I2C_FASTSPEED_SCLH_TRIM 6
-#endif
-
-/* These are the trim values for high speed */
-#ifndef I2C_HIGHSPEED_PHASE_ONE_SCLL_TRIM
-#define I2C_HIGHSPEED_PHASE_ONE_SCLL_TRIM I2C_FASTSPEED_SCLL_TRIM
-#endif
-#ifndef I2C_HIGHSPEED_PHASE_ONE_SCLH_TRIM
-#define I2C_HIGHSPEED_PHASE_ONE_SCLH_TRIM I2C_FASTSPEED_SCLH_TRIM
-#endif
-#ifndef I2C_HIGHSPEED_PHASE_TWO_SCLL_TRIM
-#define I2C_HIGHSPEED_PHASE_TWO_SCLL_TRIM I2C_FASTSPEED_SCLL_TRIM
-#endif
-#ifndef I2C_HIGHSPEED_PHASE_TWO_SCLH_TRIM
-#define I2C_HIGHSPEED_PHASE_TWO_SCLH_TRIM I2C_FASTSPEED_SCLH_TRIM
-#endif
-
-#define I2C_PSC_MAX 0x0f
-#define I2C_PSC_MIN 0x00
-
-#endif /* _I2C_H_ */
+#endif /* _OMAP3_I2C_H_ */
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Texas Instruments, <www.ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation's version 2 of
- * the License.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#ifndef MMC_H
-#define MMC_H
-
-#include "mmc_host_def.h"
-
-/* Responses */
-#define RSP_TYPE_NONE (RSP_TYPE_NORSP | CCCE_NOCHECK | CICE_NOCHECK)
-#define RSP_TYPE_R1 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
-#define RSP_TYPE_R1B (RSP_TYPE_LGHT48B | CCCE_CHECK | CICE_CHECK)
-#define RSP_TYPE_R2 (RSP_TYPE_LGHT136 | CCCE_CHECK | CICE_NOCHECK)
-#define RSP_TYPE_R3 (RSP_TYPE_LGHT48 | CCCE_NOCHECK | CICE_NOCHECK)
-#define RSP_TYPE_R4 (RSP_TYPE_LGHT48 | CCCE_NOCHECK | CICE_NOCHECK)
-#define RSP_TYPE_R5 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
-#define RSP_TYPE_R6 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
-#define RSP_TYPE_R7 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
-
-/* All supported commands */
-#define MMC_CMD0 (INDEX(0) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD1 (INDEX(1) | RSP_TYPE_R3 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD2 (INDEX(2) | RSP_TYPE_R2 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD3 (INDEX(3) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_SDCMD3 (INDEX(3) | RSP_TYPE_R6 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD4 (INDEX(4) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD6 (INDEX(6) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD7_SELECT (INDEX(7) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD7_DESELECT (INDEX(7)| RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD8 (INDEX(8) | RSP_TYPE_R1 | DP_DATA | DDIR_READ)
-#define MMC_SDCMD8 (INDEX(8) | RSP_TYPE_R7 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD9 (INDEX(9) | RSP_TYPE_R2 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD12 (INDEX(12) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD13 (INDEX(13) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD15 (INDEX(15) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD16 (INDEX(16) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD17 (INDEX(17) | RSP_TYPE_R1 | DP_DATA | DDIR_READ)
-#define MMC_CMD24 (INDEX(24) | RSP_TYPE_R1 | DP_DATA | DDIR_WRITE)
-#define MMC_ACMD6 (INDEX(6) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_ACMD41 (INDEX(41) | RSP_TYPE_R3 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_ACMD51 (INDEX(51) | RSP_TYPE_R1 | DP_DATA | DDIR_READ)
-#define MMC_CMD55 (INDEX(55) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
-
-#define MMC_AC_CMD_RCA_MASK (unsigned int)(0xFFFF << 16)
-#define MMC_BC_CMD_DSR_MASK (unsigned int)(0xFFFF << 16)
-#define MMC_DSR_DEFAULT 0x0404
-#define SD_CMD8_CHECK_PATTERN 0xAA
-#define SD_CMD8_2_7_3_6_V_RANGE (0x01 << 8)
-
-/* Clock Configurations and Macros */
-
-#define MMC_CLOCK_REFERENCE 96
-#define MMC_RELATIVE_CARD_ADDRESS 0x1234
-#define MMC_INIT_SEQ_CLK (MMC_CLOCK_REFERENCE * 1000 / 80)
-#define MMC_400kHz_CLK (MMC_CLOCK_REFERENCE * 1000 / 400)
-#define CLKDR(r, f, u) ((((r)*100) / ((f)*(u))) + 1)
-#define CLKD(f, u) (CLKDR(MMC_CLOCK_REFERENCE, f, u))
-
-#define MMC_OCR_REG_ACCESS_MODE_MASK (0x3 << 29)
-#define MMC_OCR_REG_ACCESS_MODE_BYTE (0x0 << 29)
-#define MMC_OCR_REG_ACCESS_MODE_SECTOR (0x2 << 29)
-
-#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_MASK (0x1 << 30)
-#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_BYTE (0x0 << 30)
-#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_SECTOR (0x1 << 30)
-
-#define MMC_SD2_CSD_C_SIZE_LSB_MASK 0xFFFF
-#define MMC_SD2_CSD_C_SIZE_MSB_MASK 0x003F
-#define MMC_SD2_CSD_C_SIZE_MSB_OFFSET 16
-#define MMC_CSD_C_SIZE_LSB_MASK 0x0003
-#define MMC_CSD_C_SIZE_MSB_MASK 0x03FF
-#define MMC_CSD_C_SIZE_MSB_OFFSET 2
-
-#define MMC_CSD_TRAN_SPEED_UNIT_MASK (0x07 << 0)
-#define MMC_CSD_TRAN_SPEED_FACTOR_MASK (0x0F << 3)
-#define MMC_CSD_TRAN_SPEED_UNIT_100MHZ (0x3 << 0)
-#define MMC_CSD_TRAN_SPEED_FACTOR_1_0 (0x01 << 3)
-#define MMC_CSD_TRAN_SPEED_FACTOR_8_0 (0x0F << 3)
-
-typedef struct {
- unsigned not_used:1;
- unsigned crc:7;
- unsigned ecc:2;
- unsigned file_format:2;
- unsigned tmp_write_protect:1;
- unsigned perm_write_protect:1;
- unsigned copy:1;
- unsigned file_format_grp:1;
- unsigned content_prot_app:1;
- unsigned reserved_1:4;
- unsigned write_bl_partial:1;
- unsigned write_bl_len:4;
- unsigned r2w_factor:3;
- unsigned default_ecc:2;
- unsigned wp_grp_enable:1;
- unsigned wp_grp_size:5;
- unsigned erase_grp_mult:5;
- unsigned erase_grp_size:5;
- unsigned c_size_mult:3;
- unsigned vdd_w_curr_max:3;
- unsigned vdd_w_curr_min:3;
- unsigned vdd_r_curr_max:3;
- unsigned vdd_r_curr_min:3;
- unsigned c_size_lsb:2;
- unsigned c_size_msb:10;
- unsigned reserved_2:2;
- unsigned dsr_imp:1;
- unsigned read_blk_misalign:1;
- unsigned write_blk_misalign:1;
- unsigned read_bl_partial:1;
- unsigned read_bl_len:4;
- unsigned ccc:12;
- unsigned tran_speed:8;
- unsigned nsac:8;
- unsigned taac:8;
- unsigned reserved_3:2;
- unsigned spec_vers:4;
- unsigned csd_structure:2;
-} mmc_csd_reg_t;
-
-/* csd for sd2.0 */
-typedef struct {
- unsigned not_used:1;
- unsigned crc:7;
- unsigned reserved_1:2;
- unsigned file_format:2;
- unsigned tmp_write_protect:1;
- unsigned perm_write_protect:1;
- unsigned copy:1;
- unsigned file_format_grp:1;
- unsigned reserved_2:5;
- unsigned write_bl_partial:1;
- unsigned write_bl_len:4;
- unsigned r2w_factor:3;
- unsigned reserved_3:2;
- unsigned wp_grp_enable:1;
- unsigned wp_grp_size:7;
- unsigned sector_size:7;
- unsigned erase_blk_len:1;
- unsigned reserved_4:1;
- unsigned c_size_lsb:16;
- unsigned c_size_msb:6;
- unsigned reserved_5:6;
- unsigned dsr_imp:1;
- unsigned read_blk_misalign:1;
- unsigned write_blk_misalign:1;
- unsigned read_bl_partial:1;
- unsigned read_bl_len:4;
- unsigned ccc:12;
- unsigned tran_speed:8;
- unsigned nsac:8;
- unsigned taac:8;
- unsigned reserved_6:6;
- unsigned csd_structure:2;
-} mmc_sd2_csd_reg_t;
-
-/* extended csd - 512 bytes long */
-typedef struct {
- unsigned char reserved_1[181];
- unsigned char erasedmemorycontent;
- unsigned char reserved_2;
- unsigned char buswidthmode;
- unsigned char reserved_3;
- unsigned char highspeedinterfacetiming;
- unsigned char reserved_4;
- unsigned char powerclass;
- unsigned char reserved_5;
- unsigned char commandsetrevision;
- unsigned char reserved_6;
- unsigned char commandset;
- unsigned char extendedcsdrevision;
- unsigned char reserved_7;
- unsigned char csdstructureversion;
- unsigned char reserved_8;
- unsigned char cardtype;
- unsigned char reserved_9[3];
- unsigned char powerclass_52mhz_1_95v;
- unsigned char powerclass_26mhz_1_95v;
- unsigned char powerclass_52mhz_3_6v;
- unsigned char powerclass_26mhz_3_6v;
- unsigned char reserved_10;
- unsigned char minreadperf_4b_26mhz;
- unsigned char minwriteperf_4b_26mhz;
- unsigned char minreadperf_8b_26mhz_4b_52mhz;
- unsigned char minwriteperf_8b_26mhz_4b_52mhz;
- unsigned char minreadperf_8b_52mhz;
- unsigned char minwriteperf_8b_52mhz;
- unsigned char reserved_11;
- unsigned int sectorcount;
- unsigned char reserved_12[288];
- unsigned char supportedcommandsets;
- unsigned char reserved_13[7];
-} mmc_extended_csd_reg_t;
-
-/* mmc sd responce */
-typedef struct {
- unsigned int ocr;
-} mmc_resp_r3;
-
-typedef struct {
- unsigned short cardstatus;
- unsigned short newpublishedrca;
-} mmc_resp_r6;
-
-typedef union {
- unsigned int resp[4];
- mmc_resp_r3 r3;
- mmc_resp_r6 r6;
- mmc_csd_reg_t Card_CSD;
-} mmc_resp_t;
-
-extern mmc_card_data mmc_dev;
-
-unsigned char mmc_lowlevel_init(void);
-unsigned char mmc_send_command(unsigned int cmd, unsigned int arg,
- unsigned int *response);
-unsigned char mmc_setup_clock(unsigned int iclk, unsigned short clkd);
-unsigned char mmc_set_opendrain(unsigned char state);
-unsigned char mmc_read_data(unsigned int *output_buf);
-
-#endif /* MMC_H */
#define T2_BASE 0x48002000
typedef struct t2 {
- unsigned char res1[0x274];
+ unsigned char res1[0x274]; /* 0x000 */
unsigned int devconf0; /* 0x274 */
- unsigned char res2[0x2A8];
+ unsigned char res2[0x060]; /* 0x278 */
+ unsigned int devconf1; /* 0x2D8 */
+ unsigned char res3[0x244]; /* 0x2DC */
unsigned int pbias_lite; /* 0x520 */
} t2_t;
#define MMCSDIO1ADPCLKISEL (1 << 24)
+#define MMCSDIO2ADPCLKISEL (1 << 6)
+
+#define EN_MMC1 (1 << 24)
+#define EN_MMC2 (1 << 25)
+#define EN_MMC3 (1 << 30)
#define PBIASLITEPWRDNZ0 (1 << 1)
#define PBIASSPEEDCTRL0 (1 << 2)
/*
* OMAP HSMMC register definitions
*/
-#define OMAP_HSMMC_BASE 0x4809C000
+#define OMAP_HSMMC1_BASE 0x4809C000
+#define OMAP_HSMMC2_BASE 0x480B4000
+#define OMAP_HSMMC3_BASE 0x480AD000
typedef struct hsmmc {
unsigned char res1[0x10];
--- /dev/null
+/*
+ * (C) Copyright 2006-2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#ifndef _CPU_H
+#define _CPU_H
+
+#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
+#include <asm/types.h>
+#endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */
+
+#ifndef __KERNEL_STRICT_NAMES
+#ifndef __ASSEMBLY__
+struct gptimer {
+ u32 tidr; /* 0x00 r */
+ u8 res[0xc];
+ u32 tiocp_cfg; /* 0x10 rw */
+ u32 tistat; /* 0x14 r */
+ u32 tisr; /* 0x18 rw */
+ u32 tier; /* 0x1c rw */
+ u32 twer; /* 0x20 rw */
+ u32 tclr; /* 0x24 rw */
+ u32 tcrr; /* 0x28 rw */
+ u32 tldr; /* 0x2c rw */
+ u32 ttgr; /* 0x30 rw */
+ u32 twpc; /* 0x34 r */
+ u32 tmar; /* 0x38 rw */
+ u32 tcar1; /* 0x3c r */
+ u32 tcicr; /* 0x40 rw */
+ u32 tcar2; /* 0x44 r */
+};
+#endif /* __ASSEMBLY__ */
+#endif /* __KERNEL_STRICT_NAMES */
+
+/* enable sys_clk NO-prescale /1 */
+#define GPT_EN ((0x0 << 2) | (0x1 << 1) | (0x1 << 0))
+
+/* Watchdog */
+#ifndef __KERNEL_STRICT_NAMES
+#ifndef __ASSEMBLY__
+struct watchdog {
+ u8 res1[0x34];
+ u32 wwps; /* 0x34 r */
+ u8 res2[0x10];
+ u32 wspr; /* 0x48 rw */
+};
+#endif /* __ASSEMBLY__ */
+#endif /* __KERNEL_STRICT_NAMES */
+
+#define WD_UNLOCK1 0xAAAA
+#define WD_UNLOCK2 0x5555
+
+#define SYSCLKDIV_1 (0x1 << 6)
+#define SYSCLKDIV_2 (0x1 << 7)
+
+#define CLKSEL_GPT1 (0x1 << 0)
+
+#define EN_GPT1 (0x1 << 0)
+#define EN_32KSYNC (0x1 << 2)
+
+#define ST_WDT2 (0x1 << 5)
+
+#define RESETDONE (0x1 << 0)
+
+#define TCLR_ST (0x1 << 0)
+#define TCLR_AR (0x1 << 1)
+#define TCLR_PRE (0x1 << 5)
+
+/* I2C base */
+#define I2C_BASE1 (OMAP44XX_L4_PER_BASE + 0x70000)
+#define I2C_BASE2 (OMAP44XX_L4_PER_BASE + 0x72000)
+#define I2C_BASE3 (OMAP44XX_L4_PER_BASE + 0x60000)
+
+#endif /* _CPU_H */
--- /dev/null
+/*
+ * (C) Copyright 2004-2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#ifndef _OMAP4_I2C_H_
+#define _OMAP4_I2C_H_
+
+#define I2C_BUS_MAX 3
+#define I2C_DEFAULT_BASE I2C_BASE1
+
+struct i2c {
+ unsigned short revnb_lo; /* 0x00 */
+ unsigned short res1;
+ unsigned short revnb_hi; /* 0x04 */
+ unsigned short res2[13];
+ unsigned short sysc; /* 0x20 */
+ unsigned short res3;
+ unsigned short irqstatus_raw; /* 0x24 */
+ unsigned short res4;
+ unsigned short stat; /* 0x28 */
+ unsigned short res5;
+ unsigned short ie; /* 0x2C */
+ unsigned short res6;
+ unsigned short irqenable_clr; /* 0x30 */
+ unsigned short res7;
+ unsigned short iv; /* 0x34 */
+ unsigned short res8[45];
+ unsigned short syss; /* 0x90 */
+ unsigned short res9;
+ unsigned short buf; /* 0x94 */
+ unsigned short res10;
+ unsigned short cnt; /* 0x98 */
+ unsigned short res11;
+ unsigned short data; /* 0x9C */
+ unsigned short res13;
+ unsigned short res14; /* 0xA0 */
+ unsigned short res15;
+ unsigned short con; /* 0xA4 */
+ unsigned short res16;
+ unsigned short oa; /* 0xA8 */
+ unsigned short res17;
+ unsigned short sa; /* 0xAC */
+ unsigned short res18;
+ unsigned short psc; /* 0xB0 */
+ unsigned short res19;
+ unsigned short scll; /* 0xB4 */
+ unsigned short res20;
+ unsigned short sclh; /* 0xB8 */
+ unsigned short res21;
+ unsigned short systest; /* 0xBC */
+ unsigned short res22;
+ unsigned short bufstat; /* 0xC0 */
+ unsigned short res23;
+};
+
+#endif /* _OMAP4_I2C_H_ */
--- /dev/null
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation's version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef MMC_HOST_DEF_H
+#define MMC_HOST_DEF_H
+
+/*
+ * OMAP HSMMC register definitions
+ */
+
+#define OMAP_HSMMC1_BASE 0x4809C100
+#define OMAP_HSMMC2_BASE 0x480B4100
+#define OMAP_HSMMC3_BASE 0x480AD100
+
+typedef struct hsmmc {
+ unsigned char res1[0x10];
+ unsigned int sysconfig; /* 0x10 */
+ unsigned int sysstatus; /* 0x14 */
+ unsigned char res2[0x14];
+ unsigned int con; /* 0x2C */
+ unsigned char res3[0xD4];
+ unsigned int blk; /* 0x104 */
+ unsigned int arg; /* 0x108 */
+ unsigned int cmd; /* 0x10C */
+ unsigned int rsp10; /* 0x110 */
+ unsigned int rsp32; /* 0x114 */
+ unsigned int rsp54; /* 0x118 */
+ unsigned int rsp76; /* 0x11C */
+ unsigned int data; /* 0x120 */
+ unsigned int pstate; /* 0x124 */
+ unsigned int hctl; /* 0x128 */
+ unsigned int sysctl; /* 0x12C */
+ unsigned int stat; /* 0x130 */
+ unsigned int ie; /* 0x134 */
+ unsigned char res4[0x8];
+ unsigned int capa; /* 0x140 */
+} hsmmc_t;
+
+/*
+ * OMAP HS MMC Bit definitions
+ */
+#define MMC_SOFTRESET (0x1 << 1)
+#define RESETDONE (0x1 << 0)
+#define NOOPENDRAIN (0x0 << 0)
+#define OPENDRAIN (0x1 << 0)
+#define OD (0x1 << 0)
+#define INIT_NOINIT (0x0 << 1)
+#define INIT_INITSTREAM (0x1 << 1)
+#define HR_NOHOSTRESP (0x0 << 2)
+#define STR_BLOCK (0x0 << 3)
+#define MODE_FUNC (0x0 << 4)
+#define DW8_1_4BITMODE (0x0 << 5)
+#define MIT_CTO (0x0 << 6)
+#define CDP_ACTIVEHIGH (0x0 << 7)
+#define WPP_ACTIVEHIGH (0x0 << 8)
+#define RESERVED_MASK (0x3 << 9)
+#define CTPL_MMC_SD (0x0 << 11)
+#define BLEN_512BYTESLEN (0x200 << 0)
+#define NBLK_STPCNT (0x0 << 16)
+#define DE_DISABLE (0x0 << 0)
+#define BCE_DISABLE (0x0 << 1)
+#define ACEN_DISABLE (0x0 << 2)
+#define DDIR_OFFSET (4)
+#define DDIR_MASK (0x1 << 4)
+#define DDIR_WRITE (0x0 << 4)
+#define DDIR_READ (0x1 << 4)
+#define MSBS_SGLEBLK (0x0 << 5)
+#define RSP_TYPE_OFFSET (16)
+#define RSP_TYPE_MASK (0x3 << 16)
+#define RSP_TYPE_NORSP (0x0 << 16)
+#define RSP_TYPE_LGHT136 (0x1 << 16)
+#define RSP_TYPE_LGHT48 (0x2 << 16)
+#define RSP_TYPE_LGHT48B (0x3 << 16)
+#define CCCE_NOCHECK (0x0 << 19)
+#define CCCE_CHECK (0x1 << 19)
+#define CICE_NOCHECK (0x0 << 20)
+#define CICE_CHECK (0x1 << 20)
+#define DP_OFFSET (21)
+#define DP_MASK (0x1 << 21)
+#define DP_NO_DATA (0x0 << 21)
+#define DP_DATA (0x1 << 21)
+#define CMD_TYPE_NORMAL (0x0 << 22)
+#define INDEX_OFFSET (24)
+#define INDEX_MASK (0x3f << 24)
+#define INDEX(i) (i << 24)
+#define DATI_MASK (0x1 << 1)
+#define DATI_CMDDIS (0x1 << 1)
+#define DTW_1_BITMODE (0x0 << 1)
+#define DTW_4_BITMODE (0x1 << 1)
+#define SDBP_PWROFF (0x0 << 8)
+#define SDBP_PWRON (0x1 << 8)
+#define SDVS_1V8 (0x5 << 9)
+#define SDVS_3V0 (0x6 << 9)
+#define ICE_MASK (0x1 << 0)
+#define ICE_STOP (0x0 << 0)
+#define ICS_MASK (0x1 << 1)
+#define ICS_NOTREADY (0x0 << 1)
+#define ICE_OSCILLATE (0x1 << 0)
+#define CEN_MASK (0x1 << 2)
+#define CEN_DISABLE (0x0 << 2)
+#define CEN_ENABLE (0x1 << 2)
+#define CLKD_OFFSET (6)
+#define CLKD_MASK (0x3FF << 6)
+#define DTO_MASK (0xF << 16)
+#define DTO_15THDTO (0xE << 16)
+#define SOFTRESETALL (0x1 << 24)
+#define CC_MASK (0x1 << 0)
+#define TC_MASK (0x1 << 1)
+#define BWR_MASK (0x1 << 4)
+#define BRR_MASK (0x1 << 5)
+#define ERRI_MASK (0x1 << 15)
+#define IE_CC (0x01 << 0)
+#define IE_TC (0x01 << 1)
+#define IE_BWR (0x01 << 4)
+#define IE_BRR (0x01 << 5)
+#define IE_CTO (0x01 << 16)
+#define IE_CCRC (0x01 << 17)
+#define IE_CEB (0x01 << 18)
+#define IE_CIE (0x01 << 19)
+#define IE_DTO (0x01 << 20)
+#define IE_DCRC (0x01 << 21)
+#define IE_DEB (0x01 << 22)
+#define IE_CERR (0x01 << 28)
+#define IE_BADA (0x01 << 29)
+
+#define VS30_3V0SUP (1 << 25)
+#define VS18_1V8SUP (1 << 26)
+
+/* Driver definitions */
+#define MMCSD_SECTOR_SIZE 512
+#define MMC_CARD 0
+#define SD_CARD 1
+#define BYTE_MODE 0
+#define SECTOR_MODE 1
+#define CLK_INITSEQ 0
+#define CLK_400KHZ 1
+#define CLK_MISC 2
+
+typedef struct {
+ unsigned int card_type;
+ unsigned int version;
+ unsigned int mode;
+ unsigned int size;
+ unsigned int RCA;
+} mmc_card_data;
+
+#define mmc_reg_out(addr, mask, val)\
+ writel((readl(addr) & (~(mask))) | ((val) & (mask)), (addr))
+
+#endif /* MMC_HOST_DEF_H */
--- /dev/null
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Authors:
+ * Aneesh V <aneesh@ti.com>
+ *
+ * Derived from OMAP3 work by
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <x0khasim@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _OMAP4_H_
+#define _OMAP4_H_
+
+#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
+#include <asm/types.h>
+#endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */
+
+/*
+ * L4 Peripherals - L4 Wakeup and L4 Core now
+ */
+#define OMAP44XX_L4_CORE_BASE 0x4A000000
+#define OMAP44XX_L4_WKUP_BASE 0x4A300000
+#define OMAP44XX_L4_PER_BASE 0x48000000
+
+/* CONTROL */
+#define CTRL_BASE (OMAP44XX_L4_CORE_BASE + 0x2000)
+
+/* UART */
+#define UART1_BASE (OMAP44XX_L4_PER_BASE + 0x6a000)
+#define UART2_BASE (OMAP44XX_L4_PER_BASE + 0x6c000)
+#define UART3_BASE (OMAP44XX_L4_PER_BASE + 0x20000)
+
+/* General Purpose Timers */
+#define GPT1_BASE (OMAP44XX_L4_WKUP_BASE + 0x18000)
+#define GPT2_BASE (OMAP44XX_L4_PER_BASE + 0x32000)
+#define GPT3_BASE (OMAP44XX_L4_PER_BASE + 0x34000)
+
+/* Watchdog Timer2 - MPU watchdog */
+#define WDT2_BASE (OMAP44XX_L4_WKUP_BASE + 0x14000)
+
+/* 32KTIMER */
+#define SYNC_32KTIMER_BASE (OMAP44XX_L4_WKUP_BASE + 0x4000)
+
+/* GPMC */
+#define GPMC_BASE 0x50000000
+
+/*
+ * Hardware Register Details
+ */
+
+/* Watchdog Timer */
+#define WD_UNLOCK1 0xAAAA
+#define WD_UNLOCK2 0x5555
+
+/* GP Timer */
+#define TCLR_ST (0x1 << 0)
+#define TCLR_AR (0x1 << 1)
+#define TCLR_PRE (0x1 << 5)
+
+/*
+ * PRCM
+ */
+
+/* PRM */
+#define PRM_BASE 0x4A306000
+#define PRM_DEVICE_BASE (PRM_BASE + 0x1B00)
+
+#define PRM_RSTCTRL PRM_DEVICE_BASE
+
+#ifndef __ASSEMBLY__
+
+struct s32ktimer {
+ unsigned char res[0x10];
+ unsigned int s32k_cr; /* 0x10 */
+};
+
+#endif /* __ASSEMBLY__ */
+
+/*
+ * Non-secure SRAM Addresses
+ * Non-secure RAM starts at 0x40300000 for GP devices. But we keep SRAM_BASE
+ * at 0x40304000(EMU base) so that our code works for both EMU and GP
+ */
+#define NON_SECURE_SRAM_START 0x40304000
+#define NON_SECURE_SRAM_END 0x4030E000 /* Not inclusive */
+/* base address for indirect vectors (internal boot mode) */
+#define SRAM_ROM_VECT_BASE 0x4030D000
+/* Temporary SRAM stack used while low level init is done */
+#define LOW_LEVEL_SRAM_STACK NON_SECURE_SRAM_END
+
+/*
+ * OMAP4 real hardware:
+ * TODO: Change this to the IDCODE in the hw regsiter
+ */
+#define CPU_OMAP4430_ES10 1
+#define CPU_OMAP4430_ES20 2
+
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _SYS_PROTO_H_
+#define _SYS_PROTO_H_
+
+#include <asm/arch/omap4.h>
+#include <asm/io.h>
+
+struct omap_sysinfo {
+ char *board_string;
+};
+
+void watchdog_init(void);
+u32 get_device_type(void);
+void invalidate_dcache(u32);
+
+extern const struct omap_sysinfo sysinfo;
+
+#endif
/*
* This the the zoom2, board specific, gpmc configuration for the
* quad uart on the debug board. The more general gpmc configurations
- * are setup at the cpu level in arch/arm/cpu/arm_cortexa8/omap3/mem.c
+ * are setup at the cpu level in arch/arm/cpu/armv7/omap3/mem.c
*
* The details of the setting of the serial gpmc setup are not available.
* The values were provided by another party.
--- /dev/null
+#
+# (C) Copyright 2000, 2001, 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS := panda.o
+
+SRCS := $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+ rm -f $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+#
+# (C) Copyright 2006-2009
+# Texas Instruments Incorporated, <www.ti.com>
+#
+# OMAP 4430 SDP
+# see http://www.ti.com/ for more information on Texas Instruments
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+# SDRAM Address Space:
+# 8000'0000 - 9fff'ffff (512 MB)
+# Linux-Kernel is expected to be at 8000'8000, entry 8000'8000
+# (mem base + reserved)
+
+# Let's place u-boot 1MB before the end of SDRAM.
+TEXT_BASE = 0x9ff00000
--- /dev/null
+/*
+ * (C) Copyright 2010
+ * Texas Instruments Incorporated, <www.ti.com>
+ * Steve Sakoman <steve@sakoman.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+const struct omap_sysinfo sysinfo = {
+ "Board: OMAP4 Panda\n"
+};
+
+/**
+ * @brief board_init
+ *
+ * @return 0
+ */
+int board_init(void)
+{
+ gd->bd->bi_arch_number = MACH_TYPE_OMAP4_PANDA;
+ gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */
+
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ return 0;
+}
+
+/**
+ * @brief misc_init_r - Configure Panda board specific configurations
+ * such as power configurations, ethernet initialization as phase2 of
+ * boot sequence
+ *
+ * @return 0
+ */
+int misc_init_r(void)
+{
+ return 0;
+}
--- /dev/null
+#
+# (C) Copyright 2000, 2001, 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS := sdp.o
+
+SRCS := $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+ rm -f $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+#
+# (C) Copyright 2006-2009
+# Texas Instruments Incorporated, <www.ti.com>
+#
+# OMAP 4430 SDP
+# see http://www.ti.com/ for more information on Texas Instruments
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+# SDRAM Address Space:
+# 8000'0000 - 9fff'ffff (512 MB)
+# Linux-Kernel is expected to be at 8000'8000, entry 8000'8000
+# (mem base + reserved)
+
+# Let's place u-boot 1MB before the end of SDRAM.
+TEXT_BASE = 0x9ff00000
--- /dev/null
+/*
+ * (C) Copyright 2010
+ * Texas Instruments Incorporated, <www.ti.com>
+ * Aneesh V <aneesh@ti.com>
+ * Steve Sakoman <steve@sakoman.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+const struct omap_sysinfo sysinfo = {
+ "Board: OMAP4430 SDP\n"
+};
+
+/**
+ * @brief board_init
+ *
+ * @return 0
+ */
+int board_init(void)
+{
+ gd->bd->bi_arch_number = MACH_TYPE_OMAP_4430SDP;
+ gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */
+
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ return 0;
+}
+
+/**
+ * @brief misc_init_r - Configure SDP board specific configurations
+ * such as power configurations, ethernet initialization as phase2 of
+ * boot sequence
+ *
+ * @return 0
+ */
+int misc_init_r(void)
+{
+ return 0;
+}
pm9263 arm arm926ejs - ronetix at91
suen3 arm arm926ejs km_arm keymile kirkwood
rd6281a arm arm926ejs - Marvell kirkwood
-mx51evk arm arm_cortexa8 mx51evk freescale mx51
+mx51evk arm armv7 mx51evk freescale mx51
actux1 arm ixp
actux2 arm ixp
actux3 arm ixp
magnesium arm arm926ejs imx27lite logicpd mx27
omap5912osk arm arm926ejs - ti omap
edminiv2 arm arm926ejs - LaCie orion5x
-omap3_overo arm arm_cortexa8 overo - omap3
-omap3_pandora arm arm_cortexa8 pandora - omap3
-omap3_zoom1 arm arm_cortexa8 zoom1 logicpd omap3
-omap3_zoom2 arm arm_cortexa8 zoom2 logicpd omap3
-omap3_beagle arm arm_cortexa8 beagle ti omap3
-omap3_evm arm arm_cortexa8 evm ti omap3
-omap3_sdp3430 arm arm_cortexa8 sdp3430 ti omap3
-am3517_evm arm arm_cortexa8 am3517evm logicpd omap3
-devkit8000 arm arm_cortexa8 devkit8000 timll omap3
-s5p_goni arm arm_cortexa8 goni samsung s5pc1xx
-smdkc100 arm arm_cortexa8 smdkc100 samsung s5pc1xx
+omap3_overo arm armv7 overo - omap3
+omap3_pandora arm armv7 pandora - omap3
+omap3_zoom1 arm armv7 zoom1 logicpd omap3
+omap3_zoom2 arm armv7 zoom2 logicpd omap3
+omap3_beagle arm armv7 beagle ti omap3
+omap3_evm arm armv7 evm ti omap3
+omap3_sdp3430 arm armv7 sdp3430 ti omap3
+omap4_panda arm armv7 panda ti omap4
+omap4_sdp4430 arm armv7 sdp4430 ti omap4
+am3517_evm arm armv7 am3517evm logicpd omap3
+devkit8000 arm armv7 devkit8000 timll omap3
+s5p_goni arm armv7 goni samsung s5pc1xx
+smdkc100 arm armv7 smdkc100 samsung s5pc1xx
ixdpg425 arm ixp
lpd7a400 arm lh7a40x lpd7a40x
lpd7a404 arm lh7a40x lpd7a40x
#include <asm/arch/i2c.h>
#include <asm/io.h>
+#include "omap24xx_i2c.h"
+
static void wait_for_bb (void);
static u16 wait_for_pin (void);
static void flush_fifo(void);
status = wait_for_pin ();
if (status & I2C_STAT_RRDY) {
-#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX)
+#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) || \
+ defined(CONFIG_OMAP44XX)
*value = readb (&i2c_base->data);
#else
*value = readw (&i2c_base->data);
status = wait_for_pin ();
if (status & I2C_STAT_XRDY) {
-#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX)
+#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) || \
+ defined(CONFIG_OMAP44XX)
/* send out 1 byte */
writeb (regoffset, &i2c_base->data);
writew (I2C_STAT_XRDY, &i2c_base->stat);
while(1){
stat = readw(&i2c_base->stat);
if(stat == I2C_STAT_RRDY){
-#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX)
+#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) || \
+ defined(CONFIG_OMAP44XX)
readb(&i2c_base->data);
#else
readw(&i2c_base->data);
return 0;
}
+
+int i2c_get_bus_num(void)
+{
+ return (int) current_bus;
+}
+
--- /dev/null
+/*
+ * (C) Copyright 2004-2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#ifndef _OMAP24XX_I2C_H_
+#define _OMAP24XX_I2C_H_
+
+/* I2C masks */
+
+/* I2C Interrupt Enable Register (I2C_IE): */
+#define I2C_IE_GC_IE (1 << 5)
+#define I2C_IE_XRDY_IE (1 << 4) /* Transmit data ready interrupt enable */
+#define I2C_IE_RRDY_IE (1 << 3) /* Receive data ready interrupt enable */
+#define I2C_IE_ARDY_IE (1 << 2) /* Register access ready interrupt enable */
+#define I2C_IE_NACK_IE (1 << 1) /* No acknowledgment interrupt enable */
+#define I2C_IE_AL_IE (1 << 0) /* Arbitration lost interrupt enable */
+
+/* I2C Status Register (I2C_STAT): */
+
+#define I2C_STAT_SBD (1 << 15) /* Single byte data */
+#define I2C_STAT_BB (1 << 12) /* Bus busy */
+#define I2C_STAT_ROVR (1 << 11) /* Receive overrun */
+#define I2C_STAT_XUDF (1 << 10) /* Transmit underflow */
+#define I2C_STAT_AAS (1 << 9) /* Address as slave */
+#define I2C_STAT_GC (1 << 5)
+#define I2C_STAT_XRDY (1 << 4) /* Transmit data ready */
+#define I2C_STAT_RRDY (1 << 3) /* Receive data ready */
+#define I2C_STAT_ARDY (1 << 2) /* Register access ready */
+#define I2C_STAT_NACK (1 << 1) /* No acknowledgment interrupt enable */
+#define I2C_STAT_AL (1 << 0) /* Arbitration lost interrupt enable */
+
+/* I2C Interrupt Code Register (I2C_INTCODE): */
+
+#define I2C_INTCODE_MASK 7
+#define I2C_INTCODE_NONE 0
+#define I2C_INTCODE_AL 1 /* Arbitration lost */
+#define I2C_INTCODE_NAK 2 /* No acknowledgement/general call */
+#define I2C_INTCODE_ARDY 3 /* Register access ready */
+#define I2C_INTCODE_RRDY 4 /* Rcv data ready */
+#define I2C_INTCODE_XRDY 5 /* Xmit data ready */
+
+/* I2C Buffer Configuration Register (I2C_BUF): */
+
+#define I2C_BUF_RDMA_EN (1 << 15) /* Receive DMA channel enable */
+#define I2C_BUF_XDMA_EN (1 << 7) /* Transmit DMA channel enable */
+
+/* I2C Configuration Register (I2C_CON): */
+
+#define I2C_CON_EN (1 << 15) /* I2C module enable */
+#define I2C_CON_BE (1 << 14) /* Big endian mode */
+#define I2C_CON_STB (1 << 11) /* Start byte mode (master mode only) */
+#define I2C_CON_MST (1 << 10) /* Master/slave mode */
+#define I2C_CON_TRX (1 << 9) /* Transmitter/receiver mode */
+ /* (master mode only) */
+#define I2C_CON_XA (1 << 8) /* Expand address */
+#define I2C_CON_STP (1 << 1) /* Stop condition (master mode only) */
+#define I2C_CON_STT (1 << 0) /* Start condition (master mode only) */
+
+/* I2C System Test Register (I2C_SYSTEST): */
+
+#define I2C_SYSTEST_ST_EN (1 << 15) /* System test enable */
+#define I2C_SYSTEST_FREE (1 << 14) /* Free running mode, on brkpoint) */
+#define I2C_SYSTEST_TMODE_MASK (3 << 12) /* Test mode select */
+#define I2C_SYSTEST_TMODE_SHIFT (12) /* Test mode select */
+#define I2C_SYSTEST_SCL_I (1 << 3) /* SCL line sense input value */
+#define I2C_SYSTEST_SCL_O (1 << 2) /* SCL line drive output value */
+#define I2C_SYSTEST_SDA_I (1 << 1) /* SDA line sense input value */
+#define I2C_SYSTEST_SDA_O (1 << 0) /* SDA line drive output value */
+
+#define I2C_SCLL_SCLL 0
+#define I2C_SCLL_SCLL_M 0xFF
+#define I2C_SCLL_HSSCLL 8
+#define I2C_SCLH_HSSCLL_M 0xFF
+#define I2C_SCLH_SCLH 0
+#define I2C_SCLH_SCLH_M 0xFF
+#define I2C_SCLH_HSSCLH 8
+#define I2C_SCLH_HSSCLH_M 0xFF
+
+#define OMAP_I2C_STANDARD 100000
+#define OMAP_I2C_FAST_MODE 400000
+#define OMAP_I2C_HIGH_SPEED 3400000
+
+#define SYSTEM_CLOCK_12 12000000
+#define SYSTEM_CLOCK_13 13000000
+#define SYSTEM_CLOCK_192 19200000
+#define SYSTEM_CLOCK_96 96000000
+
+/* Use the reference value of 96MHz if not explicitly set by the board */
+#ifndef I2C_IP_CLK
+#define I2C_IP_CLK SYSTEM_CLOCK_96
+#endif
+
+/*
+ * The reference minimum clock for high speed is 19.2MHz.
+ * The linux 2.6.30 kernel uses this value.
+ * The reference minimum clock for fast mode is 9.6MHz
+ * The reference minimum clock for standard mode is 4MHz
+ * In TRM, the value of 12MHz is used.
+ */
+#ifndef I2C_INTERNAL_SAMPLING_CLK
+#define I2C_INTERNAL_SAMPLING_CLK 19200000
+#endif
+
+/*
+ * The equation for the low and high time is
+ * tlow = scll + scll_trim = (sampling clock * tlow_duty) / speed
+ * thigh = sclh + sclh_trim = (sampling clock * (1 - tlow_duty)) / speed
+ *
+ * If the duty cycle is 50%
+ *
+ * tlow = scll + scll_trim = sampling clock / (2 * speed)
+ * thigh = sclh + sclh_trim = sampling clock / (2 * speed)
+ *
+ * In TRM
+ * scll_trim = 7
+ * sclh_trim = 5
+ *
+ * The linux 2.6.30 kernel uses
+ * scll_trim = 6
+ * sclh_trim = 6
+ *
+ * These are the trim values for standard and fast speed
+ */
+#ifndef I2C_FASTSPEED_SCLL_TRIM
+#define I2C_FASTSPEED_SCLL_TRIM 6
+#endif
+#ifndef I2C_FASTSPEED_SCLH_TRIM
+#define I2C_FASTSPEED_SCLH_TRIM 6
+#endif
+
+/* These are the trim values for high speed */
+#ifndef I2C_HIGHSPEED_PHASE_ONE_SCLL_TRIM
+#define I2C_HIGHSPEED_PHASE_ONE_SCLL_TRIM I2C_FASTSPEED_SCLL_TRIM
+#endif
+#ifndef I2C_HIGHSPEED_PHASE_ONE_SCLH_TRIM
+#define I2C_HIGHSPEED_PHASE_ONE_SCLH_TRIM I2C_FASTSPEED_SCLH_TRIM
+#endif
+#ifndef I2C_HIGHSPEED_PHASE_TWO_SCLL_TRIM
+#define I2C_HIGHSPEED_PHASE_TWO_SCLL_TRIM I2C_FASTSPEED_SCLL_TRIM
+#endif
+#ifndef I2C_HIGHSPEED_PHASE_TWO_SCLH_TRIM
+#define I2C_HIGHSPEED_PHASE_TWO_SCLH_TRIM I2C_FASTSPEED_SCLH_TRIM
+#endif
+
+#define I2C_PSC_MAX 0x0f
+#define I2C_PSC_MIN 0x00
+
+#endif /* _OMAP24XX_I2C_H_ */
#include <i2c.h>
#include <twl4030.h>
#include <asm/io.h>
-#include <asm/arch/mmc.h>
+
+#include "omap3_mmc.h"
const unsigned short mmc_transspeed_val[15][4] = {
{CLKD(10, 1), CLKD(10, 10), CLKD(10, 100), CLKD(10, 1000)},
mmc_card_data cur_card_data;
static block_dev_desc_t mmc_blk_dev;
-static hsmmc_t *mmc_base = (hsmmc_t *)OMAP_HSMMC_BASE;
+static hsmmc_t *mmc_base = (hsmmc_t *)OMAP_HSMMC1_BASE;
+
+int mmc_set_dev(int dev_num)
+{
+ switch (dev_num) {
+ case 1:
+ mmc_base = (hsmmc_t *)OMAP_HSMMC1_BASE;
+ break;
+ case 2:
+ mmc_base = (hsmmc_t *)OMAP_HSMMC2_BASE;
+ break;
+ case 3:
+ mmc_base = (hsmmc_t *)OMAP_HSMMC3_BASE;
+ break;
+ default:
+ mmc_base = (hsmmc_t *)OMAP_HSMMC1_BASE;
+ return 1;
+ }
+
+ return 0;
+}
block_dev_desc_t *mmc_get_dev(int dev)
{
unsigned char mmc_board_init(void)
{
- t2_t *t2_base = (t2_t *)T2_BASE;
-
#if defined(CONFIG_TWL4030_POWER)
twl4030_power_mmc_init();
#endif
+#if defined(CONFIG_OMAP34XX)
+ t2_t *t2_base = (t2_t *)T2_BASE;
+ struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+
writel(readl(&t2_base->pbias_lite) | PBIASLITEPWRDNZ1 |
PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0,
&t2_base->pbias_lite);
writel(readl(&t2_base->devconf0) | MMCSDIO1ADPCLKISEL,
&t2_base->devconf0);
+ writel(readl(&t2_base->devconf1) | MMCSDIO2ADPCLKISEL,
+ &t2_base->devconf1);
+
+ writel(readl(&prcm_base->fclken1_core) |
+ EN_MMC1 | EN_MMC2 | EN_MMC3,
+ &prcm_base->fclken1_core);
+
+ writel(readl(&prcm_base->iclken1_core) |
+ EN_MMC1 | EN_MMC2 | EN_MMC3,
+ &prcm_base->iclken1_core);
+#endif
+
+/* TODO add appropriate OMAP4 init */
+
return 1;
}
return 1;
}
-int mmc_legacy_init(int verbose)
+int mmc_legacy_init(int dev)
{
+ if (mmc_set_dev(dev) != 0)
+ return 1;
+
if (configure_mmc(&cur_card_data) != 1)
return 1;
--- /dev/null
+/*
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation's version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef MMC_H
+#define MMC_H
+
+#include <asm/arch/mmc_host_def.h>
+
+/* Responses */
+#define RSP_TYPE_NONE (RSP_TYPE_NORSP | CCCE_NOCHECK | CICE_NOCHECK)
+#define RSP_TYPE_R1 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
+#define RSP_TYPE_R1B (RSP_TYPE_LGHT48B | CCCE_CHECK | CICE_CHECK)
+#define RSP_TYPE_R2 (RSP_TYPE_LGHT136 | CCCE_CHECK | CICE_NOCHECK)
+#define RSP_TYPE_R3 (RSP_TYPE_LGHT48 | CCCE_NOCHECK | CICE_NOCHECK)
+#define RSP_TYPE_R4 (RSP_TYPE_LGHT48 | CCCE_NOCHECK | CICE_NOCHECK)
+#define RSP_TYPE_R5 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
+#define RSP_TYPE_R6 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
+#define RSP_TYPE_R7 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
+
+/* All supported commands */
+#define MMC_CMD0 (INDEX(0) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
+#define MMC_CMD1 (INDEX(1) | RSP_TYPE_R3 | DP_NO_DATA | DDIR_WRITE)
+#define MMC_CMD2 (INDEX(2) | RSP_TYPE_R2 | DP_NO_DATA | DDIR_WRITE)
+#define MMC_CMD3 (INDEX(3) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
+#define MMC_SDCMD3 (INDEX(3) | RSP_TYPE_R6 | DP_NO_DATA | DDIR_WRITE)
+#define MMC_CMD4 (INDEX(4) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
+#define MMC_CMD6 (INDEX(6) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE)
+#define MMC_CMD7_SELECT (INDEX(7) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE)
+#define MMC_CMD7_DESELECT (INDEX(7)| RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
+#define MMC_CMD8 (INDEX(8) | RSP_TYPE_R1 | DP_DATA | DDIR_READ)
+#define MMC_SDCMD8 (INDEX(8) | RSP_TYPE_R7 | DP_NO_DATA | DDIR_WRITE)
+#define MMC_CMD9 (INDEX(9) | RSP_TYPE_R2 | DP_NO_DATA | DDIR_WRITE)
+#define MMC_CMD12 (INDEX(12) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE)
+#define MMC_CMD13 (INDEX(13) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
+#define MMC_CMD15 (INDEX(15) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
+#define MMC_CMD16 (INDEX(16) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
+#define MMC_CMD17 (INDEX(17) | RSP_TYPE_R1 | DP_DATA | DDIR_READ)
+#define MMC_CMD24 (INDEX(24) | RSP_TYPE_R1 | DP_DATA | DDIR_WRITE)
+#define MMC_ACMD6 (INDEX(6) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
+#define MMC_ACMD41 (INDEX(41) | RSP_TYPE_R3 | DP_NO_DATA | DDIR_WRITE)
+#define MMC_ACMD51 (INDEX(51) | RSP_TYPE_R1 | DP_DATA | DDIR_READ)
+#define MMC_CMD55 (INDEX(55) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
+
+#define MMC_AC_CMD_RCA_MASK (unsigned int)(0xFFFF << 16)
+#define MMC_BC_CMD_DSR_MASK (unsigned int)(0xFFFF << 16)
+#define MMC_DSR_DEFAULT 0x0404
+#define SD_CMD8_CHECK_PATTERN 0xAA
+#define SD_CMD8_2_7_3_6_V_RANGE (0x01 << 8)
+
+/* Clock Configurations and Macros */
+
+#define MMC_CLOCK_REFERENCE 96
+#define MMC_RELATIVE_CARD_ADDRESS 0x1234
+#define MMC_INIT_SEQ_CLK (MMC_CLOCK_REFERENCE * 1000 / 80)
+#define MMC_400kHz_CLK (MMC_CLOCK_REFERENCE * 1000 / 400)
+#define CLKDR(r, f, u) ((((r)*100) / ((f)*(u))) + 1)
+#define CLKD(f, u) (CLKDR(MMC_CLOCK_REFERENCE, f, u))
+
+#define MMC_OCR_REG_ACCESS_MODE_MASK (0x3 << 29)
+#define MMC_OCR_REG_ACCESS_MODE_BYTE (0x0 << 29)
+#define MMC_OCR_REG_ACCESS_MODE_SECTOR (0x2 << 29)
+
+#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_MASK (0x1 << 30)
+#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_BYTE (0x0 << 30)
+#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_SECTOR (0x1 << 30)
+
+#define MMC_SD2_CSD_C_SIZE_LSB_MASK 0xFFFF
+#define MMC_SD2_CSD_C_SIZE_MSB_MASK 0x003F
+#define MMC_SD2_CSD_C_SIZE_MSB_OFFSET 16
+#define MMC_CSD_C_SIZE_LSB_MASK 0x0003
+#define MMC_CSD_C_SIZE_MSB_MASK 0x03FF
+#define MMC_CSD_C_SIZE_MSB_OFFSET 2
+
+#define MMC_CSD_TRAN_SPEED_UNIT_MASK (0x07 << 0)
+#define MMC_CSD_TRAN_SPEED_FACTOR_MASK (0x0F << 3)
+#define MMC_CSD_TRAN_SPEED_UNIT_100MHZ (0x3 << 0)
+#define MMC_CSD_TRAN_SPEED_FACTOR_1_0 (0x01 << 3)
+#define MMC_CSD_TRAN_SPEED_FACTOR_8_0 (0x0F << 3)
+
+typedef struct {
+ unsigned not_used:1;
+ unsigned crc:7;
+ unsigned ecc:2;
+ unsigned file_format:2;
+ unsigned tmp_write_protect:1;
+ unsigned perm_write_protect:1;
+ unsigned copy:1;
+ unsigned file_format_grp:1;
+ unsigned content_prot_app:1;
+ unsigned reserved_1:4;
+ unsigned write_bl_partial:1;
+ unsigned write_bl_len:4;
+ unsigned r2w_factor:3;
+ unsigned default_ecc:2;
+ unsigned wp_grp_enable:1;
+ unsigned wp_grp_size:5;
+ unsigned erase_grp_mult:5;
+ unsigned erase_grp_size:5;
+ unsigned c_size_mult:3;
+ unsigned vdd_w_curr_max:3;
+ unsigned vdd_w_curr_min:3;
+ unsigned vdd_r_curr_max:3;
+ unsigned vdd_r_curr_min:3;
+ unsigned c_size_lsb:2;
+ unsigned c_size_msb:10;
+ unsigned reserved_2:2;
+ unsigned dsr_imp:1;
+ unsigned read_blk_misalign:1;
+ unsigned write_blk_misalign:1;
+ unsigned read_bl_partial:1;
+ unsigned read_bl_len:4;
+ unsigned ccc:12;
+ unsigned tran_speed:8;
+ unsigned nsac:8;
+ unsigned taac:8;
+ unsigned reserved_3:2;
+ unsigned spec_vers:4;
+ unsigned csd_structure:2;
+} mmc_csd_reg_t;
+
+/* csd for sd2.0 */
+typedef struct {
+ unsigned not_used:1;
+ unsigned crc:7;
+ unsigned reserved_1:2;
+ unsigned file_format:2;
+ unsigned tmp_write_protect:1;
+ unsigned perm_write_protect:1;
+ unsigned copy:1;
+ unsigned file_format_grp:1;
+ unsigned reserved_2:5;
+ unsigned write_bl_partial:1;
+ unsigned write_bl_len:4;
+ unsigned r2w_factor:3;
+ unsigned reserved_3:2;
+ unsigned wp_grp_enable:1;
+ unsigned wp_grp_size:7;
+ unsigned sector_size:7;
+ unsigned erase_blk_len:1;
+ unsigned reserved_4:1;
+ unsigned c_size_lsb:16;
+ unsigned c_size_msb:6;
+ unsigned reserved_5:6;
+ unsigned dsr_imp:1;
+ unsigned read_blk_misalign:1;
+ unsigned write_blk_misalign:1;
+ unsigned read_bl_partial:1;
+ unsigned read_bl_len:4;
+ unsigned ccc:12;
+ unsigned tran_speed:8;
+ unsigned nsac:8;
+ unsigned taac:8;
+ unsigned reserved_6:6;
+ unsigned csd_structure:2;
+} mmc_sd2_csd_reg_t;
+
+/* extended csd - 512 bytes long */
+typedef struct {
+ unsigned char reserved_1[181];
+ unsigned char erasedmemorycontent;
+ unsigned char reserved_2;
+ unsigned char buswidthmode;
+ unsigned char reserved_3;
+ unsigned char highspeedinterfacetiming;
+ unsigned char reserved_4;
+ unsigned char powerclass;
+ unsigned char reserved_5;
+ unsigned char commandsetrevision;
+ unsigned char reserved_6;
+ unsigned char commandset;
+ unsigned char extendedcsdrevision;
+ unsigned char reserved_7;
+ unsigned char csdstructureversion;
+ unsigned char reserved_8;
+ unsigned char cardtype;
+ unsigned char reserved_9[3];
+ unsigned char powerclass_52mhz_1_95v;
+ unsigned char powerclass_26mhz_1_95v;
+ unsigned char powerclass_52mhz_3_6v;
+ unsigned char powerclass_26mhz_3_6v;
+ unsigned char reserved_10;
+ unsigned char minreadperf_4b_26mhz;
+ unsigned char minwriteperf_4b_26mhz;
+ unsigned char minreadperf_8b_26mhz_4b_52mhz;
+ unsigned char minwriteperf_8b_26mhz_4b_52mhz;
+ unsigned char minreadperf_8b_52mhz;
+ unsigned char minwriteperf_8b_52mhz;
+ unsigned char reserved_11;
+ unsigned int sectorcount;
+ unsigned char reserved_12[288];
+ unsigned char supportedcommandsets;
+ unsigned char reserved_13[7];
+} mmc_extended_csd_reg_t;
+
+/* mmc sd responce */
+typedef struct {
+ unsigned int ocr;
+} mmc_resp_r3;
+
+typedef struct {
+ unsigned short cardstatus;
+ unsigned short newpublishedrca;
+} mmc_resp_r6;
+
+typedef union {
+ unsigned int resp[4];
+ mmc_resp_r3 r3;
+ mmc_resp_r6 r6;
+ mmc_csd_reg_t Card_CSD;
+} mmc_resp_t;
+
+extern mmc_card_data mmc_dev;
+
+unsigned char mmc_lowlevel_init(void);
+unsigned char mmc_send_command(unsigned int cmd, unsigned int arg,
+ unsigned int *response);
+unsigned char mmc_setup_clock(unsigned int iclk, unsigned short clkd);
+unsigned char mmc_set_opendrain(unsigned char state);
+unsigned char mmc_read_data(unsigned int *output_buf);
+
+#endif /* MMC_H */
}
static int davinci_spi_write(struct spi_slave *slave, unsigned int len,
- const u8 *txp, unsigned long flags)
+ const u8 *txp, unsigned long flags)
{
struct davinci_spi_slave *ds = to_davinci_spi(slave);
unsigned int data1_reg_val;
#endif
int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
- const void *dout, void *din, unsigned long flags)
+ const void *dout, void *din, unsigned long flags)
{
unsigned int len;
#ifndef CONFIG_SPI_HALF_DUPLEX
else
return davinci_spi_read_write(slave, len, din, dout, flags);
+#else
+ printf("SPI full duplex transaction requested with "
+ "CONFIG_SPI_HALF_DUPLEX defined.\n");
+ flags |= SPI_XFER_END;
#endif
out:
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3_AM3517EVM 1 /* working with AM3517EVM */
#define __CONFIG_H
/* High Level Configuration Options */
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
--- /dev/null
+/*
+ * (C) Copyright 2010
+ * Texas Instruments Incorporated.
+ * Steve Sakoman <steve@sakoman.com>
+ *
+ * Configuration settings for the TI OMAP4 Panda board.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
+#define CONFIG_OMAP 1 /* in a TI OMAP core */
+#define CONFIG_OMAP44XX 1 /* which is a 44XX */
+#define CONFIG_OMAP4430 1 /* which is in a 4430 */
+#define CONFIG_PANDA 1 /* working with Panda */
+
+/* Get CPU defs */
+#include <asm/arch/cpu.h>
+#include <asm/arch/omap4.h>
+
+/* Display CPU and Board Info */
+#define CONFIG_DISPLAY_CPUINFO 1
+#define CONFIG_DISPLAY_BOARDINFO 1
+
+/* Keep L2 Cache Disabled */
+#define CONFIG_L2_OFF 1
+
+/* Clock Defines */
+#define V_OSCK 38400000 /* Clock output from T2 */
+#define V_SCLK V_OSCK
+
+#undef CONFIG_USE_IRQ /* no support for IRQs */
+#define CONFIG_MISC_INIT_R
+
+#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_INITRD_TAG 1
+#define CONFIG_REVISION_TAG 1
+
+/*
+ * Size of malloc() pool
+ * Total Size Environment - 256k
+ * Malloc - add 256k
+ */
+#define CONFIG_ENV_SIZE (256 << 10)
+#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (256 << 10))
+#define CONFIG_SYS_GBL_DATA_SIZE 128 /* bytes reserved for */
+ /* initial data */
+/* Vector Base */
+#define CONFIG_SYS_CA9_VECTOR_BASE SRAM_ROM_VECT_BASE
+
+/*
+ * Hardware drivers
+ */
+
+/*
+ * serial port - NS16550 compatible
+ */
+#define V_NS16550_CLK 48000000
+
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550_REG_SIZE (-4)
+#define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
+#define CONFIG_CONS_INDEX 3
+#define CONFIG_SYS_NS16550_COM3 UART3_BASE
+
+#define CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\
+ 115200}
+
+/* I2C */
+#define CONFIG_HARD_I2C 1
+#define CONFIG_SYS_I2C_SPEED 100000
+#define CONFIG_SYS_I2C_SLAVE 1
+#define CONFIG_SYS_I2C_BUS 0
+#define CONFIG_SYS_I2C_BUS_SELECT 1
+#define CONFIG_DRIVER_OMAP34XX_I2C 1
+#define CONFIG_I2C_MULTI_BUS 1
+
+/* MMC */
+#define CONFIG_MMC 1
+#define CONFIG_OMAP3_MMC 1
+#define CONFIG_SYS_MMC_SET_DEV 1
+#define CONFIG_DOS_PARTITION 1
+
+/* Flash */
+#define CONFIG_SYS_NO_FLASH 1
+
+/* commands to include */
+#include <config_cmd_default.h>
+
+/* Enabled commands */
+#define CONFIG_CMD_EXT2 /* EXT2 Support */
+#define CONFIG_CMD_FAT /* FAT support */
+#define CONFIG_CMD_I2C /* I2C serial bus support */
+#define CONFIG_CMD_MMC /* MMC support */
+
+/* Disabled commands */
+#undef CONFIG_CMD_NET
+#undef CONFIG_CMD_FPGA /* FPGA configuration Support */
+#undef CONFIG_CMD_IMLS /* List all found images */
+
+/*
+ * Enabling relocation of u-boot by default
+ * Relocation can be skipped if u-boot is copied to the TEXT_BASE
+ */
+#undef CONFIG_SKIP_RELOCATE_UBOOT
+
+/*
+ * Environment setup
+ */
+
+/* allow overwriting serial config and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "loadaddr=0x82000000\0" \
+ "console=ttyS2,115200n8\0" \
+ "mmcdev=1\0" \
+ "mmcroot=/dev/mmcblk0p2 rw\0" \
+ "mmcrootfstype=ext3 rootwait\0" \
+ "mmcargs=setenv bootargs console=${console} " \
+ "root=${mmcroot} " \
+ "rootfstype=${mmcrootfstype}\0" \
+ "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
+ "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
+ "source ${loadaddr}\0" \
+ "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
+ "mmcboot=echo Booting from mmc${mmcdev} ...; " \
+ "run mmcargs; " \
+ "bootm ${loadaddr}\0" \
+
+#define CONFIG_BOOTCOMMAND \
+ "if mmc init ${mmcdev}; then " \
+ "if run loadbootscript; then " \
+ "run bootscript; " \
+ "else " \
+ "if run loaduimage; then " \
+ "run mmcboot; " \
+ "else run nandboot; " \
+ "fi; " \
+ "fi; " \
+ "fi"
+
+#define CONFIG_AUTO_COMPLETE 1
+
+/*
+ * Miscellaneous configurable options
+ */
+
+#define CONFIG_SYS_LONGHELP /* undef to save memory */
+#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
+#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
+#define CONFIG_SYS_PROMPT "Panda # "
+#define CONFIG_SYS_CBSIZE 256
+/* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
+ sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS 16
+/* Boot Argument Buffer Size */
+#define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE)
+
+/*
+ * memtest setup
+ */
+#define CONFIG_SYS_MEMTEST_START 0x80000000
+#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + (32 << 20))
+
+/* Default load address */
+#define CONFIG_SYS_LOAD_ADDR 0x80000000
+
+/* Use General purpose timer 1 */
+#define CONFIG_SYS_TIMERBASE GPT1_BASE
+#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
+#define CONFIG_SYS_HZ 1000
+
+/*
+ * Stack sizes
+ *
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE (128 << 10) /* Regular stack */
+#ifdef CONFIG_USE_IRQ
+#define CONFIG_STACKSIZE_IRQ (4 << 10) /* IRQ stack */
+#define CONFIG_STACKSIZE_FIQ (4 << 10) /* FIQ stack */
+#endif
+
+/*
+ * SDRAM Memory Map
+ * Even though we use two CS all the memory
+ * is mapped to one contiguous block
+ */
+#define CONFIG_NR_DRAM_BANKS 1
+
+#endif /* __CONFIG_H */
--- /dev/null
+/*
+ * (C) Copyright 2010
+ * Texas Instruments Incorporated.
+ * Aneesh V <aneesh@ti.com>
+ * Steve Sakoman <steve@sakoman.com>
+ *
+ * Configuration settings for the TI SDP4430 board.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
+#define CONFIG_OMAP 1 /* in a TI OMAP core */
+#define CONFIG_OMAP44XX 1 /* which is a 44XX */
+#define CONFIG_OMAP4430 1 /* which is in a 4430 */
+#define CONFIG_4430SDP 1 /* working with SDP */
+
+/* Get CPU defs */
+#include <asm/arch/cpu.h>
+#include <asm/arch/omap4.h>
+
+/* Display CPU and Board Info */
+#define CONFIG_DISPLAY_CPUINFO 1
+#define CONFIG_DISPLAY_BOARDINFO 1
+
+/* Keep L2 Cache Disabled */
+#define CONFIG_L2_OFF 1
+
+/* Clock Defines */
+#define V_OSCK 38400000 /* Clock output from T2 */
+#define V_SCLK V_OSCK
+
+#undef CONFIG_USE_IRQ /* no support for IRQs */
+#define CONFIG_MISC_INIT_R
+
+#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_INITRD_TAG 1
+#define CONFIG_REVISION_TAG 1
+
+/*
+ * Size of malloc() pool
+ * Total Size Environment - 256k
+ * Malloc - add 256k
+ */
+#define CONFIG_ENV_SIZE (256 << 10)
+#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (256 << 10))
+#define CONFIG_SYS_GBL_DATA_SIZE 128 /* bytes reserved for */
+ /* initial data */
+/* Vector Base */
+#define CONFIG_SYS_CA9_VECTOR_BASE SRAM_ROM_VECT_BASE
+
+/*
+ * Hardware drivers
+ */
+
+/*
+ * serial port - NS16550 compatible
+ */
+#define V_NS16550_CLK 48000000
+
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550_REG_SIZE (-4)
+#define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
+#define CONFIG_CONS_INDEX 3
+#define CONFIG_SYS_NS16550_COM3 UART3_BASE
+
+#define CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\
+ 115200}
+
+/* I2C */
+#define CONFIG_HARD_I2C 1
+#define CONFIG_SYS_I2C_SPEED 100000
+#define CONFIG_SYS_I2C_SLAVE 1
+#define CONFIG_SYS_I2C_BUS 0
+#define CONFIG_SYS_I2C_BUS_SELECT 1
+#define CONFIG_DRIVER_OMAP34XX_I2C 1
+#define CONFIG_I2C_MULTI_BUS 1
+
+/* MMC */
+#define CONFIG_MMC 1
+#define CONFIG_OMAP3_MMC 1
+#define CONFIG_SYS_MMC_SET_DEV 1
+#define CONFIG_DOS_PARTITION 1
+
+/* Flash */
+#define CONFIG_SYS_NO_FLASH 1
+
+/* commands to include */
+#include <config_cmd_default.h>
+
+/* Enabled commands */
+#define CONFIG_CMD_EXT2 /* EXT2 Support */
+#define CONFIG_CMD_FAT /* FAT support */
+#define CONFIG_CMD_I2C /* I2C serial bus support */
+#define CONFIG_CMD_MMC /* MMC support */
+
+/* Disabled commands */
+#undef CONFIG_CMD_NET
+#undef CONFIG_CMD_FPGA /* FPGA configuration Support */
+#undef CONFIG_CMD_IMLS /* List all found images */
+
+/*
+ * Enabling relocation of u-boot by default
+ * Relocation can be skipped if u-boot is copied to the TEXT_BASE
+ */
+#undef CONFIG_SKIP_RELOCATE_UBOOT
+
+/*
+ * Environment setup
+ */
+
+/* allow overwriting serial config and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "loadaddr=0x82000000\0" \
+ "console=ttyS2,115200n8\0" \
+ "mmcdev=1\0" \
+ "mmcroot=/dev/mmcblk0p2 rw\0" \
+ "mmcrootfstype=ext3 rootwait\0" \
+ "mmcargs=setenv bootargs console=${console} " \
+ "root=${mmcroot} " \
+ "rootfstype=${mmcrootfstype}\0" \
+ "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
+ "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
+ "source ${loadaddr}\0" \
+ "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
+ "mmcboot=echo Booting from mmc${mmcdev} ...; " \
+ "run mmcargs; " \
+ "bootm ${loadaddr}\0" \
+
+#define CONFIG_BOOTCOMMAND \
+ "if mmc init ${mmcdev}; then " \
+ "if run loadbootscript; then " \
+ "run bootscript; " \
+ "else " \
+ "if run loaduimage; then " \
+ "run mmcboot; " \
+ "else run nandboot; " \
+ "fi; " \
+ "fi; " \
+ "fi"
+
+#define CONFIG_AUTO_COMPLETE 1
+
+/*
+ * Miscellaneous configurable options
+ */
+
+#define CONFIG_SYS_LONGHELP /* undef to save memory */
+#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
+#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
+#define CONFIG_SYS_PROMPT "OMAP4430 SDP # "
+#define CONFIG_SYS_CBSIZE 256
+/* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
+ sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS 16
+/* Boot Argument Buffer Size */
+#define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE)
+
+/*
+ * memtest setup
+ */
+#define CONFIG_SYS_MEMTEST_START 0x80000000
+#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + (32 << 20))
+
+/* Default load address */
+#define CONFIG_SYS_LOAD_ADDR 0x80000000
+
+/* Use General purpose timer 1 */
+#define CONFIG_SYS_TIMERBASE GPT1_BASE
+#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
+#define CONFIG_SYS_HZ 1000
+
+/*
+ * Stack sizes
+ *
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE (128 << 10) /* Regular stack */
+#ifdef CONFIG_USE_IRQ
+#define CONFIG_STACKSIZE_IRQ (4 << 10) /* IRQ stack */
+#define CONFIG_STACKSIZE_FIQ (4 << 10) /* FIQ stack */
+#endif
+
+/*
+ * SDRAM Memory Map
+ * Even though we use two CS all the memory
+ * is mapped to one contiguous block
+ */
+#define CONFIG_NR_DRAM_BANKS 1
+
+#endif /* __CONFIG_H */
#define __CONFIG_H
/* High Level Configuration Options */
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_SAMSUNG 1 /* in a SAMSUNG core */
#define CONFIG_S5PC1XX 1 /* which is in a S5PC1XX Family */
#define CONFIG_S5PC110 1 /* which is in a S5PC110 */
* High Level Configuration Options
* (easy to change)
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_SAMSUNG 1 /* in a SAMSUNG core */
#define CONFIG_S5PC1XX 1 /* which is in a S5PC1XX Family */
#define CONFIG_S5PC100 1 /* which is in a S5PC100 */
int mmc_init(struct mmc *mmc);
int mmc_read(struct mmc *mmc, u64 src, uchar *dst, int size);
struct mmc *find_mmc_device(int dev_num);
+int mmc_set_dev(int dev_num);
void print_mmc_devices(char separator);
int board_mmc_getcd(u8 *cd, struct mmc *mmc);
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