--- /dev/null
+/*
+ * Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Tegra114 Clock control functions */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/timer.h>
+#include <div64.h>
+#include <fdtdec.h>
+
+/*
+ * Clock types that we can use as a source. The Tegra114 has muxes for the
+ * peripheral clocks, and in most cases there are four options for the clock
+ * source. This gives us a clock 'type' and exploits what commonality exists
+ * in the device.
+ *
+ * Letters are obvious, except for T which means CLK_M, and S which means the
+ * clock derived from 32KHz. Beware that CLK_M (also called OSC in the
+ * datasheet) and PLL_M are different things. The former is the basic
+ * clock supplied to the SOC from an external oscillator. The latter is the
+ * memory clock PLL.
+ *
+ * See definitions in clock_id in the header file.
+ */
+enum clock_type_id {
+ CLOCK_TYPE_AXPT, /* PLL_A, PLL_X, PLL_P, CLK_M */
+ CLOCK_TYPE_MCPA, /* and so on */
+ CLOCK_TYPE_MCPT,
+ CLOCK_TYPE_PCM,
+ CLOCK_TYPE_PCMT,
+ CLOCK_TYPE_PCMT16,
+ CLOCK_TYPE_PDCT,
+ CLOCK_TYPE_ACPT,
+ CLOCK_TYPE_ASPTE,
+ CLOCK_TYPE_PMDACD2T,
+ CLOCK_TYPE_PCST,
+
+ CLOCK_TYPE_COUNT,
+ CLOCK_TYPE_NONE = -1, /* invalid clock type */
+};
+
+enum {
+ CLOCK_MAX_MUX = 8 /* number of source options for each clock */
+};
+
+enum {
+ MASK_BITS_31_30 = 2, /* num of bits used to specify clock source */
+ MASK_BITS_31_29,
+ MASK_BITS_29_28,
+};
+
+/*
+ * Clock source mux for each clock type. This just converts our enum into
+ * a list of mux sources for use by the code.
+ *
+ * Note:
+ * The extra column in each clock source array is used to store the mask
+ * bits in its register for the source.
+ */
+#define CLK(x) CLOCK_ID_ ## x
+static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX+1] = {
+ { CLK(AUDIO), CLK(XCPU), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(AUDIO),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(NONE),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(DISPLAY), CLK(CGENERAL), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(AUDIO), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(AUDIO), CLK(SFROM32KHZ), CLK(PERIPH), CLK(OSC),
+ CLK(EPCI), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_29},
+ { CLK(PERIPH), CLK(MEMORY), CLK(DISPLAY), CLK(AUDIO),
+ CLK(CGENERAL), CLK(DISPLAY2), CLK(OSC), CLK(NONE),
+ MASK_BITS_31_29},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(SFROM32KHZ), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_29_28}
+};
+
+/*
+ * Clock type for each peripheral clock source. We put the name in each
+ * record just so it is easy to match things up
+ */
+#define TYPE(name, type) type
+static enum clock_type_id clock_periph_type[PERIPHC_COUNT] = {
+ /* 0x00 */
+ TYPE(PERIPHC_I2S1, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2S2, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_SPDIF_OUT, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_SPDIF_IN, CLOCK_TYPE_PCM),
+ TYPE(PERIPHC_PWM, CLOCK_TYPE_PCST), /* only PWM uses b29:28 */
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC2, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SBC3, CLOCK_TYPE_PCMT),
+
+ /* 0x08 */
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_I2C1, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_I2C5, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_DISP1, CLOCK_TYPE_PMDACD2T),
+ TYPE(PERIPHC_DISP2, CLOCK_TYPE_PMDACD2T),
+
+ /* 0x10 */
+ TYPE(PERIPHC_CVE, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SDMMC1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SDMMC2, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_G3D, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_G2D, CLOCK_TYPE_MCPA),
+
+ /* 0x18 */
+ TYPE(PERIPHC_NDFLASH, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SDMMC4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_VFIR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_EPP, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_MPE, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_MIPI, CLOCK_TYPE_PCMT), /* MIPI base-band HSI */
+ TYPE(PERIPHC_UART1, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_UART2, CLOCK_TYPE_PCMT),
+
+ /* 0x20 */
+ TYPE(PERIPHC_HOST1X, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_TVO, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_HDMI, CLOCK_TYPE_PMDACD2T),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_TVDAC, CLOCK_TYPE_PDCT),
+ TYPE(PERIPHC_I2C2, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_EMC, CLOCK_TYPE_MCPT),
+
+ /* 0x28 */
+ TYPE(PERIPHC_UART3, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_I2C3, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_SDMMC3, CLOCK_TYPE_PCMT),
+
+ /* 0x30 */
+ TYPE(PERIPHC_UART4, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_UART5, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_VDE, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_OWR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NOR, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_CSITE, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_I2S0, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+
+ /* 0x38h */ /* Jumps to reg offset 0x3B0h */
+ TYPE(PERIPHC_G3D2, CLOCK_TYPE_MCPA),
+ TYPE(PERIPHC_MSELECT, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_TSENSOR, CLOCK_TYPE_PCST), /* s/b PCTS */
+ TYPE(PERIPHC_I2S3, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2S4, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2C4, CLOCK_TYPE_PCMT16),
+ TYPE(PERIPHC_SBC5, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SBC6, CLOCK_TYPE_PCMT),
+
+ /* 0x40 */
+ TYPE(PERIPHC_AUDIO, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_DAM0, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_DAM1, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_DAM2, CLOCK_TYPE_ACPT),
+ TYPE(PERIPHC_HDA2CODEC2X, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_ACTMON, CLOCK_TYPE_PCST), /* MASK 31:30 */
+ TYPE(PERIPHC_EXTPERIPH1, CLOCK_TYPE_ASPTE),
+
+ /* 0x48 */
+ TYPE(PERIPHC_EXTPERIPH2, CLOCK_TYPE_ASPTE),
+ TYPE(PERIPHC_EXTPERIPH3, CLOCK_TYPE_ASPTE),
+ TYPE(PERIPHC_NANDSPEED, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_I2CSLOW, CLOCK_TYPE_PCST), /* MASK 31:30 */
+ TYPE(PERIPHC_SYS, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SPEEDO, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+
+ /* 0x50 */
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_NONE, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SATAOOB, CLOCK_TYPE_PCMT), /* offset 0x420h */
+ TYPE(PERIPHC_SATA, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_HDA, CLOCK_TYPE_PCMT),
+};
+
+/*
+ * This array translates a periph_id to a periphc_internal_id
+ *
+ * Not present/matched up:
+ * uint vi_sensor; _VI_SENSOR_0, 0x1A8
+ * SPDIF - which is both 0x08 and 0x0c
+ *
+ */
+#define NONE(name) (-1)
+#define OFFSET(name, value) PERIPHC_ ## name
+static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = {
+ /* Low word: 31:0 */
+ NONE(CPU),
+ NONE(COP),
+ NONE(TRIGSYS),
+ NONE(RESERVED3),
+ NONE(RTC),
+ NONE(TMR),
+ PERIPHC_UART1,
+ PERIPHC_UART2, /* and vfir 0x68 */
+
+ /* 8 */
+ NONE(GPIO),
+ PERIPHC_SDMMC2,
+ NONE(SPDIF), /* 0x08 and 0x0c, unclear which to use */
+ PERIPHC_I2S1,
+ PERIPHC_I2C1,
+ PERIPHC_NDFLASH,
+ PERIPHC_SDMMC1,
+ PERIPHC_SDMMC4,
+
+ /* 16 */
+ NONE(RESERVED16),
+ PERIPHC_PWM,
+ PERIPHC_I2S2,
+ PERIPHC_EPP,
+ PERIPHC_VI,
+ PERIPHC_G2D,
+ NONE(USBD),
+ NONE(ISP),
+
+ /* 24 */
+ PERIPHC_G3D,
+ NONE(RESERVED25),
+ PERIPHC_DISP2,
+ PERIPHC_DISP1,
+ PERIPHC_HOST1X,
+ NONE(VCP),
+ PERIPHC_I2S0,
+ NONE(CACHE2),
+
+ /* Middle word: 63:32 */
+ NONE(MEM),
+ NONE(AHBDMA),
+ NONE(APBDMA),
+ NONE(RESERVED35),
+ NONE(RESERVED36),
+ NONE(STAT_MON),
+ NONE(RESERVED38),
+ NONE(RESERVED39),
+
+ /* 40 */
+ NONE(KFUSE),
+ NONE(SBC1), /* SBC1, 0x34, is this SPI1? */
+ PERIPHC_NOR,
+ NONE(RESERVED43),
+ PERIPHC_SBC2,
+ NONE(RESERVED45),
+ PERIPHC_SBC3,
+ PERIPHC_I2C5,
+
+ /* 48 */
+ NONE(DSI),
+ PERIPHC_TVO, /* also CVE 0x40 */
+ PERIPHC_MIPI,
+ PERIPHC_HDMI,
+ NONE(CSI),
+ PERIPHC_TVDAC,
+ PERIPHC_I2C2,
+ PERIPHC_UART3,
+
+ /* 56 */
+ NONE(RESERVED56),
+ PERIPHC_EMC,
+ NONE(USB2),
+ NONE(USB3),
+ PERIPHC_MPE,
+ PERIPHC_VDE,
+ NONE(BSEA),
+ NONE(BSEV),
+
+ /* Upper word 95:64 */
+ PERIPHC_SPEEDO,
+ PERIPHC_UART4,
+ PERIPHC_UART5,
+ PERIPHC_I2C3,
+ PERIPHC_SBC4,
+ PERIPHC_SDMMC3,
+ NONE(PCIE),
+ PERIPHC_OWR,
+
+ /* 72 */
+ NONE(AFI),
+ PERIPHC_CSITE,
+ NONE(PCIEXCLK),
+ NONE(AVPUCQ),
+ NONE(RESERVED76),
+ NONE(RESERVED77),
+ NONE(RESERVED78),
+ NONE(DTV),
+
+ /* 80 */
+ PERIPHC_NANDSPEED,
+ PERIPHC_I2CSLOW,
+ NONE(DSIB),
+ NONE(RESERVED83),
+ NONE(IRAMA),
+ NONE(IRAMB),
+ NONE(IRAMC),
+ NONE(IRAMD),
+
+ /* 88 */
+ NONE(CRAM2),
+ NONE(RESERVED89),
+ NONE(MDOUBLER),
+ NONE(RESERVED91),
+ NONE(SUSOUT),
+ NONE(RESERVED93),
+ NONE(RESERVED94),
+ NONE(RESERVED95),
+
+ /* V word: 31:0 */
+ NONE(CPUG),
+ NONE(CPULP),
+ PERIPHC_G3D2,
+ PERIPHC_MSELECT,
+ PERIPHC_TSENSOR,
+ PERIPHC_I2S3,
+ PERIPHC_I2S4,
+ PERIPHC_I2C4,
+
+ /* 08 */
+ PERIPHC_SBC5,
+ PERIPHC_SBC6,
+ PERIPHC_AUDIO,
+ NONE(APBIF),
+ PERIPHC_DAM0,
+ PERIPHC_DAM1,
+ PERIPHC_DAM2,
+ PERIPHC_HDA2CODEC2X,
+
+ /* 16 */
+ NONE(ATOMICS),
+ NONE(RESERVED17),
+ NONE(RESERVED18),
+ NONE(RESERVED19),
+ NONE(RESERVED20),
+ NONE(RESERVED21),
+ NONE(RESERVED22),
+ PERIPHC_ACTMON,
+
+ /* 24 */
+ NONE(RESERVED24),
+ NONE(RESERVED25),
+ NONE(RESERVED26),
+ NONE(RESERVED27),
+ PERIPHC_SATA,
+ PERIPHC_HDA,
+ NONE(RESERVED30),
+ NONE(RESERVED31),
+
+ /* W word: 31:0 */
+ NONE(HDA2HDMICODEC),
+ NONE(RESERVED1_SATACOLD),
+ NONE(RESERVED2_PCIERX0),
+ NONE(RESERVED3_PCIERX1),
+ NONE(RESERVED4_PCIERX2),
+ NONE(RESERVED5_PCIERX3),
+ NONE(RESERVED6_PCIERX4),
+ NONE(RESERVED7_PCIERX5),
+
+ /* 40 */
+ NONE(CEC),
+ NONE(PCIE2_IOBIST),
+ NONE(EMC_IOBIST),
+ NONE(HDMI_IOBIST),
+ NONE(SATA_IOBIST),
+ NONE(MIPI_IOBIST),
+ NONE(EMC1_IOBIST),
+ NONE(XUSB),
+
+ /* 48 */
+ NONE(CILAB),
+ NONE(CILCD),
+ NONE(CILE),
+ NONE(DSIA_LP),
+ NONE(DSIB_LP),
+ NONE(RESERVED21_ENTROPY),
+ NONE(RESERVED22_W),
+ NONE(RESERVED23_W),
+
+ /* 56 */
+ NONE(RESERVED24_W),
+ NONE(AMX0),
+ NONE(ADX0),
+ NONE(DVFS),
+ NONE(XUSB_SS),
+ NONE(EMC_DLL),
+ NONE(MC1),
+ NONE(EMC1),
+};
+
+/*
+ * Get the oscillator frequency, from the corresponding hardware configuration
+ * field. Note that T30/T114 support 3 new higher freqs, but we map back
+ * to the old T20 freqs. Support for the higher oscillators is TBD.
+ */
+enum clock_osc_freq clock_get_osc_freq(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ reg = readl(&clkrst->crc_osc_ctrl);
+ reg = (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
+
+ if (reg & 1) /* one of the newer freqs */
+ printf("Warning: OSC_FREQ is unsupported! (%d)\n", reg);
+
+ return reg >> 2; /* Map to most common (T20) freqs */
+}
+
+/* Returns a pointer to the clock source register for a peripheral */
+u32 *get_periph_source_reg(enum periph_id periph_id)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ enum periphc_internal_id internal_id;
+
+ /* Coresight is a special case */
+ if (periph_id == PERIPH_ID_CSI)
+ return &clkrst->crc_clk_src[PERIPH_ID_CSI+1];
+
+ assert(periph_id >= PERIPH_ID_FIRST && periph_id < PERIPH_ID_COUNT);
+ internal_id = periph_id_to_internal_id[periph_id];
+ assert(internal_id != -1);
+ if (internal_id >= PERIPHC_VW_FIRST) {
+ internal_id -= PERIPHC_VW_FIRST;
+ return &clkrst->crc_clk_src_vw[internal_id];
+ } else
+ return &clkrst->crc_clk_src[internal_id];
+}
+
+/**
+ * Given a peripheral ID and the required source clock, this returns which
+ * value should be programmed into the source mux for that peripheral.
+ *
+ * There is special code here to handle the one source type with 5 sources.
+ *
+ * @param periph_id peripheral to start
+ * @param source PLL id of required parent clock
+ * @param mux_bits Set to number of bits in mux register: 2 or 4
+ * @param divider_bits Set to number of divider bits (8 or 16)
+ * @return mux value (0-4, or -1 if not found)
+ */
+int get_periph_clock_source(enum periph_id periph_id,
+ enum clock_id parent, int *mux_bits, int *divider_bits)
+{
+ enum clock_type_id type;
+ enum periphc_internal_id internal_id;
+ int mux;
+
+ assert(clock_periph_id_isvalid(periph_id));
+
+ internal_id = periph_id_to_internal_id[periph_id];
+ assert(periphc_internal_id_isvalid(internal_id));
+
+ type = clock_periph_type[internal_id];
+ assert(clock_type_id_isvalid(type));
+
+ *mux_bits = clock_source[type][CLOCK_MAX_MUX];
+
+ if (type == CLOCK_TYPE_PCMT16)
+ *divider_bits = 16;
+ else
+ *divider_bits = 8;
+
+ for (mux = 0; mux < CLOCK_MAX_MUX; mux++)
+ if (clock_source[type][mux] == parent)
+ return mux;
+
+ /* if we get here, either us or the caller has made a mistake */
+ printf("Caller requested bad clock: periph=%d, parent=%d\n", periph_id,
+ parent);
+ return -1;
+}
+
+void clock_set_enable(enum periph_id periph_id, int enable)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 *clk;
+ u32 reg;
+
+ /* Enable/disable the clock to this peripheral */
+ assert(clock_periph_id_isvalid(periph_id));
+ if ((int)periph_id < (int)PERIPH_ID_VW_FIRST)
+ clk = &clkrst->crc_clk_out_enb[PERIPH_REG(periph_id)];
+ else
+ clk = &clkrst->crc_clk_out_enb_vw[PERIPH_REG(periph_id)];
+ reg = readl(clk);
+ if (enable)
+ reg |= PERIPH_MASK(periph_id);
+ else
+ reg &= ~PERIPH_MASK(periph_id);
+ writel(reg, clk);
+}
+
+void reset_set_enable(enum periph_id periph_id, int enable)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 *reset;
+ u32 reg;
+
+ /* Enable/disable reset to the peripheral */
+ assert(clock_periph_id_isvalid(periph_id));
+ if (periph_id < PERIPH_ID_VW_FIRST)
+ reset = &clkrst->crc_rst_dev[PERIPH_REG(periph_id)];
+ else
+ reset = &clkrst->crc_rst_dev_vw[PERIPH_REG(periph_id)];
+ reg = readl(reset);
+ if (enable)
+ reg |= PERIPH_MASK(periph_id);
+ else
+ reg &= ~PERIPH_MASK(periph_id);
+ writel(reg, reset);
+}
+
+#ifdef CONFIG_OF_CONTROL
+/*
+ * Convert a device tree clock ID to our peripheral ID. They are mostly
+ * the same but we are very cautious so we check that a valid clock ID is
+ * provided.
+ *
+ * @param clk_id Clock ID according to tegra114 device tree binding
+ * @return peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid
+ */
+enum periph_id clk_id_to_periph_id(int clk_id)
+{
+ if (clk_id > PERIPH_ID_COUNT)
+ return PERIPH_ID_NONE;
+
+ switch (clk_id) {
+ case PERIPH_ID_RESERVED3:
+ case PERIPH_ID_RESERVED16:
+ case PERIPH_ID_RESERVED24:
+ case PERIPH_ID_RESERVED35:
+ case PERIPH_ID_RESERVED43:
+ case PERIPH_ID_RESERVED45:
+ case PERIPH_ID_RESERVED56:
+ case PERIPH_ID_RESERVED76:
+ case PERIPH_ID_RESERVED77:
+ case PERIPH_ID_RESERVED78:
+ case PERIPH_ID_RESERVED83:
+ case PERIPH_ID_RESERVED89:
+ case PERIPH_ID_RESERVED91:
+ case PERIPH_ID_RESERVED93:
+ case PERIPH_ID_RESERVED94:
+ case PERIPH_ID_RESERVED95:
+ return PERIPH_ID_NONE;
+ default:
+ return clk_id;
+ }
+}
+#endif /* CONFIG_OF_CONTROL */
+
+void clock_early_init(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+
+ /*
+ * PLLP output frequency set to 408Mhz
+ * PLLC output frequency set to 600Mhz
+ * PLLD output frequency set to 925Mhz
+ */
+ switch (clock_get_osc_freq()) {
+ case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */
+ clock_set_rate(CLOCK_ID_PERIPH, 408, 12, 0, 8);
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 12, 0, 8);
+ clock_set_rate(CLOCK_ID_DISPLAY, 925, 12, 0, 12);
+ break;
+
+ case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */
+ clock_set_rate(CLOCK_ID_PERIPH, 408, 26, 0, 8);
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 26, 0, 8);
+ clock_set_rate(CLOCK_ID_DISPLAY, 925, 26, 0, 12);
+ break;
+
+ case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */
+ clock_set_rate(CLOCK_ID_PERIPH, 408, 13, 0, 8);
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 13, 0, 8);
+ clock_set_rate(CLOCK_ID_DISPLAY, 925, 13, 0, 12);
+ break;
+ case CLOCK_OSC_FREQ_19_2:
+ default:
+ /*
+ * These are not supported. It is too early to print a
+ * message and the UART likely won't work anyway due to the
+ * oscillator being wrong.
+ */
+ break;
+ }
+
+ /* PLLC_MISC2: Set dynramp_stepA/B. MISC2 maps to pll_out[1] */
+ writel(0x00561600, &clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_out[1]);
+
+ /* PLLC_MISC: Set LOCK_ENABLE */
+ writel(0x01000000, &clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_misc);
+ udelay(2);
+
+ /* PLLD_MISC: Set CLKENABLE, CPCON 12, LFCON 1 */
+ writel(0x40000C10, &clkrst->crc_pll[CLOCK_ID_DISPLAY].pll_misc);
+ udelay(2);
+}
--- /dev/null
+/*
+ * Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Tegra114 pin multiplexing functions */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch/pinmux.h>
+
+struct tegra_pingroup_desc {
+ const char *name;
+ enum pmux_func funcs[4];
+ enum pmux_func func_safe;
+ enum pmux_vddio vddio;
+ enum pmux_pin_io io;
+};
+
+#define PMUX_MUXCTL_SHIFT 0
+#define PMUX_PULL_SHIFT 2
+#define PMUX_TRISTATE_SHIFT 4
+#define PMUX_TRISTATE_MASK (1 << PMUX_TRISTATE_SHIFT)
+#define PMUX_IO_SHIFT 5
+#define PMUX_OD_SHIFT 6
+#define PMUX_LOCK_SHIFT 7
+#define PMUX_IO_RESET_SHIFT 8
+
+/* Convenient macro for defining pin group properties */
+#define PIN(pg_name, vdd, f0, f1, f2, f3, iod) \
+ { \
+ .vddio = PMUX_VDDIO_ ## vdd, \
+ .funcs = { \
+ PMUX_FUNC_ ## f0, \
+ PMUX_FUNC_ ## f1, \
+ PMUX_FUNC_ ## f2, \
+ PMUX_FUNC_ ## f3, \
+ }, \
+ .func_safe = PMUX_FUNC_RSVD1, \
+ .io = PMUX_PIN_ ## iod, \
+ }
+
+/* Input and output pins */
+#define PINI(pg_name, vdd, f0, f1, f2, f3) \
+ PIN(pg_name, vdd, f0, f1, f2, f3, INPUT)
+#define PINO(pg_name, vdd, f0, f1, f2, f3) \
+ PIN(pg_name, vdd, f0, f1, f2, f3, OUTPUT)
+
+const struct tegra_pingroup_desc tegra_soc_pingroups[PINGRP_COUNT] = {
+ /* NAME VDD f0 f1 f2 f3 */
+ PINI(ULPI_DATA0, BB, SPI3, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA1, BB, SPI3, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA2, BB, SPI3, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA3, BB, SPI3, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA4, BB, SPI2, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA5, BB, SPI2, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA6, BB, SPI2, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA7, BB, SPI2, HSI, UARTA, ULPI),
+ PINI(ULPI_CLK, BB, SPI1, SPI5, UARTD, ULPI),
+ PINI(ULPI_DIR, BB, SPI1, SPI5, UARTD, ULPI),
+ PINI(ULPI_NXT, BB, SPI1, SPI5, UARTD, ULPI),
+ PINI(ULPI_STP, BB, SPI1, SPI5, UARTD, ULPI),
+ PINI(DAP3_FS, BB, I2S2, SPI5, DISPA, DISPB),
+ PINI(DAP3_DIN, BB, I2S2, SPI5, DISPA, DISPB),
+ PINI(DAP3_DOUT, BB, I2S2, SPI5, DISPA, DISPB),
+ PINI(DAP3_SCLK, BB, I2S2, SPI5, DISPA, DISPB),
+ PINI(GPIO_PV0, BB, USB, RSVD2, RSVD3, RSVD4),
+ PINI(GPIO_PV1, BB, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(SDMMC1_CLK, SDMMC1, SDMMC1, CLK12, RSVD3, RSVD4),
+ PINI(SDMMC1_CMD, SDMMC1, SDMMC1, SPDIF, SPI4, UARTA),
+ PINI(SDMMC1_DAT3, SDMMC1, SDMMC1, SPDIF, SPI4, UARTA),
+ PINI(SDMMC1_DAT2, SDMMC1, SDMMC1, PWM0, SPI4, UARTA),
+ PINI(SDMMC1_DAT1, SDMMC1, SDMMC1, PWM1, SPI4, UARTA),
+ PINI(SDMMC1_DAT0, SDMMC1, SDMMC1, RSVD2, SPI4, UARTA),
+ PINI(GPIO_PV2, BB, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(GPIO_PV3, BB, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(CLK2_OUT, SDMMC1, EXTPERIPH2, RSVD2, RSVD3, RSVD4),
+ PINI(CLK2_REQ, SDMMC1, DAP, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_PWR1, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_PWR2, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_SDIN, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_SDOUT, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_WR_N, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_CS0_N, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_DC0, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_SCK, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_PWR0, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_PCLK, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_DE, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_HSYNC, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_VSYNC, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D0, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D1, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D2, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D3, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D4, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D5, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D6, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D7, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D8, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D9, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D10, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D11, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D12, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D13, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D14, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D15, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D16, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D17, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D18, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D19, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D20, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D21, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D22, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_D23, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_CS1_N, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_M1, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINO(LCD_DC1, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(HDMI_INT, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(DDC_SCL, LCD, I2C4, RSVD2, RSVD3, RSVD4),
+ PINI(DDC_SDA, LCD, I2C4, RSVD2, RSVD3, RSVD4),
+ PINI(CRT_HSYNC, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(CRT_VSYNC, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_D0, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_D1, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_D2, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_D3, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_D4, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_D5, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_D6, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_D7, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_D8, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_D9, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_D10, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_D11, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_PCLK, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_MCLK, VI, RSVD1, RSVD3, RSVD3, RSVD4),
+ PINI(VI_VSYNC, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(VI_HSYNC, VI, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(UART2_RXD, UART, UARTB, SPDIF, UARTA, SPI4),
+ PINI(UART2_TXD, UART, UARTB, SPDIF, UARTA, SPI4),
+ PINI(UART2_RTS_N, UART, UARTA, UARTB, RSVD3, SPI4),
+ PINI(UART2_CTS_N, UART, UARTA, UARTB, RSVD3, SPI4),
+ PINI(UART3_TXD, UART, UARTC, RSVD2, RSVD3, SPI4),
+ PINI(UART3_RXD, UART, UARTC, RSVD2, RSVD3, SPI4),
+ PINI(UART3_CTS_N, UART, UARTC, SDMMC1, DTV, SPI4),
+ PINI(UART3_RTS_N, UART, UARTC, PWM0, DTV, DISPA),
+ PINI(GPIO_PU0, UART, OWR, UARTA, RSVD3, RSVD4),
+ PINI(GPIO_PU1, UART, RSVD1, UARTA, RSVD3, RSVD4),
+ PINI(GPIO_PU2, UART, RSVD1, UARTA, RSVD3, RSVD4),
+ PINI(GPIO_PU3, UART, PWM0, UARTA, DISPA, DISPB),
+ PINI(GPIO_PU4, UART, PWM1, UARTA, DISPA, DISPB),
+ PINI(GPIO_PU5, UART, PWM2, UARTA, DISPA, DISPB),
+ PINI(GPIO_PU6, UART, PWM3, UARTA, USB, DISPB),
+ PINI(GEN1_I2C_SDA, UART, I2C1, RSVD2, RSVD3, RSVD4),
+ PINI(GEN1_I2C_SCL, UART, I2C1, RSVD2, RSVD3, RSVD4),
+ PINI(DAP4_FS, UART, I2S3, RSVD2, DTV, RSVD4),
+ PINI(DAP4_DIN, UART, I2S3, RSVD2, RSVD3, RSVD4),
+ PINI(DAP4_DOUT, UART, I2S3, RSVD2, DTV, RSVD4),
+ PINI(DAP4_SCLK, UART, I2S3, RSVD2, RSVD3, RSVD4),
+ PINI(CLK3_OUT, UART, EXTPERIPH3, RSVD2, RSVD3, RSVD4),
+ PINI(CLK3_REQ, UART, DEV3, RSVD2, RSVD3, RSVD4),
+ PINI(GMI_WP_N, GMI, RSVD1, NAND, GMI, GMI_ALT),
+ PINI(GMI_IORDY, GMI, SDMMC2, RSVD2, GMI, TRACE),
+ PINI(GMI_WAIT, GMI, SPI4, NAND, GMI, DTV),
+ PINI(GMI_ADV_N, GMI, RSVD1, NAND, GMI, TRACE),
+ PINI(GMI_CLK, GMI, SDMMC2, NAND, GMI, TRACE),
+ PINI(GMI_CS0_N, GMI, RSVD1, NAND, GMI, USB),
+ PINI(GMI_CS1_N, GMI, RSVD1, NAND, GMI, SOC),
+ PINI(GMI_CS2_N, GMI, SDMMC2, NAND, GMI, TRACE),
+ PINI(GMI_CS3_N, GMI, SDMMC2, NAND, GMI, GMI_ALT),
+ PINI(GMI_CS4_N, GMI, USB, NAND, GMI, TRACE),
+ PINI(GMI_CS6_N, GMI, NAND, NAND_ALT, GMI, SPI4),
+ PINI(GMI_CS7_N, GMI, NAND, NAND_ALT, GMI, SDMMC2),
+ PINI(GMI_AD0, GMI, RSVD1, NAND, GMI, RSVD4),
+ PINI(GMI_AD1, GMI, RSVD1, NAND, GMI, RSVD4),
+ PINI(GMI_AD2, GMI, RSVD1, NAND, GMI, RSVD4),
+ PINI(GMI_AD3, GMI, RSVD1, NAND, GMI, RSVD4),
+ PINI(GMI_AD4, GMI, RSVD1, NAND, GMI, RSVD4),
+ PINI(GMI_AD5, GMI, RSVD1, NAND, GMI, SPI4),
+ PINI(GMI_AD6, GMI, RSVD1, NAND, GMI, SPI4),
+ PINI(GMI_AD7, GMI, RSVD1, NAND, GMI, SPI4),
+ PINI(GMI_AD8, GMI, PWM0, NAND, GMI, DTV),
+ PINI(GMI_AD9, GMI, PWM1, NAND, GMI, CLDVFS),
+ PINI(GMI_AD10, GMI, PWM2, NAND, GMI, CLDVFS),
+ PINI(GMI_AD11, GMI, PWM3, NAND, GMI, USB),
+ PINI(GMI_AD12, GMI, SDMMC2, NAND, GMI, RSVD4),
+ PINI(GMI_AD13, GMI, SDMMC2, NAND, GMI, RSVD4),
+ PINI(GMI_AD14, GMI, SDMMC2, NAND, GMI, DTV),
+ PINI(GMI_AD15, GMI, SDMMC2, NAND, GMI, DTV),
+ PINI(GMI_A16, GMI, UARTD, TRACE, GMI, GMI_ALT),
+ PINI(GMI_A17, GMI, UARTD, RSVD2, GMI, TRACE),
+ PINI(GMI_A18, GMI, UARTD, RSVD2, GMI, TRACE),
+ PINI(GMI_A19, GMI, UARTD, SPI4, GMI, TRACE),
+ PINI(GMI_WR_N, GMI, RSVD1, NAND, GMI, SPI4),
+ PINI(GMI_OE_N, GMI, RSVD1, NAND, GMI, SOC),
+ PINI(GMI_DQS, GMI, SDMMC2, NAND, GMI, TRACE),
+ PINI(GMI_RST_N, GMI, NAND, NAND_ALT, GMI, RSVD4),
+ PINI(GEN2_I2C_SCL, GMI, I2C2, RSVD2, GMI, RSVD4),
+ PINI(GEN2_I2C_SDA, GMI, I2C2, RSVD2, GMI, RSVD4),
+ PINI(SDMMC4_CLK, SDMMC4, SDMMC4, RSVD2, GMI, RSVD4),
+ PINI(SDMMC4_CMD, SDMMC4, SDMMC4, RSVD2, GMI, RSVD4),
+ PINI(SDMMC4_DAT0, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
+ PINI(SDMMC4_DAT1, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
+ PINI(SDMMC4_DAT2, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
+ PINI(SDMMC4_DAT3, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
+ PINI(SDMMC4_DAT4, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
+ PINI(SDMMC4_DAT5, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
+ PINI(SDMMC4_DAT6, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
+ PINI(SDMMC4_DAT7, SDMMC4, SDMMC4, RSVD2, GMI, RSVD4),
+ PINI(SDMMC4_RST_N, SDMMC4, RSVD1, RSVD2, RSVD3, SDMMC4),
+ PINI(CAM_MCLK, CAM, VI, VI_ALT1, VI_ALT2, RSVD4),
+ PINI(GPIO_PCC1, CAM, I2S4, RSVD2, RSVD3, RSVD4),
+ PINI(GPIO_PBB0, CAM, I2S4, VI, VI_ALT1, VI_ALT3),
+ PINI(CAM_I2C_SCL, CAM, VGP1, I2C3, RSVD3, RSVD4),
+ PINI(CAM_I2C_SDA, CAM, VGP2, I2C3, RSVD3, RSVD4),
+ PINI(GPIO_PBB3, CAM, VGP3, DISPA, DISPB, RSVD4),
+ PINI(GPIO_PBB4, CAM, VGP4, DISPA, DISPB, RSVD4),
+ PINI(GPIO_PBB5, CAM, VGP5, DISPA, DISPB, RSVD4),
+ PINI(GPIO_PBB6, CAM, VGP6, DISPA, DISPB, RSVD4),
+ PINI(GPIO_PBB7, CAM, I2S4, RSVD2, RSVD3, RSVD4),
+ PINI(GPIO_PCC2, CAM, I2S4, RSVD2, RSVD3, RSVD4),
+ PINI(JTAG_RTCK, SYS, RTCK, RSVD2, RSVD3, RSVD4),
+ PINI(PWR_I2C_SCL, SYS, I2CPWR, RSVD2, RSVD3, RSVD4),
+ PINI(PWR_I2C_SDA, SYS, I2CPWR, RSVD2, RSVD3, RSVD4),
+ PINI(KB_ROW0, SYS, KBC, RSVD2, DTV, RSVD4),
+ PINI(KB_ROW1, SYS, KBC, RSVD2, DTV, RSVD4),
+ PINI(KB_ROW2, SYS, KBC, RSVD2, DTV, SOC),
+ PINI(KB_ROW3, SYS, KBC, DISPA, RSVD3, DISPB),
+ PINI(KB_ROW4, SYS, KBC, DISPA, SPI2, DISPB),
+ PINI(KB_ROW5, SYS, KBC, DISPA, SPI2, DISPB),
+ PINI(KB_ROW6, SYS, KBC, DISPA, RSVD3, DISPB),
+ PINI(KB_ROW7, SYS, KBC, RSVD2, CLDVFS, UARTA),
+ PINI(KB_ROW8, SYS, KBC, RSVD2, RSVD3, UARTA),
+ PINI(KB_ROW9, SYS, KBC, RSVD2, RSVD3, UARTA),
+ PINI(KB_ROW10, SYS, KBC, RSVD2, RSVD3, UARTA),
+ PINI(KB_ROW11, SYS, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(KB_ROW12, SYS, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(KB_ROW13, SYS, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(KB_ROW14, SYS, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(KB_ROW15, SYS, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(KB_COL0, SYS, KBC, USB, SPI2, EMC_DLL),
+ PINI(KB_COL1, SYS, KBC, RSVD2, SPI2, EMC_DLL),
+ PINI(KB_COL2, SYS, KBC, RSVD2, SPI2, RSVD4),
+ PINI(KB_COL3, SYS, KBC, DISPA, PWM2, UARTA),
+ PINI(KB_COL4, SYS, KBC, OWR, SDMMC3, UARTA),
+ PINI(KB_COL5, SYS, KBC, RSVD2, SDMMC1, RSVD4),
+ PINI(KB_COL6, SYS, KBC, RSVD2, SPI2, RSVD4),
+ PINI(KB_COL7, SYS, KBC, RSVD2, SPI2, RSVD4),
+ PINI(CLK_32K_OUT, SYS, BLINK, SOC, RSVD3, RSVD4),
+ PINI(SYS_CLK_REQ, SYS, SYSCLK, RSVD2, RSVD3, RSVD4),
+ PINI(CORE_PWR_REQ, SYS, PWRON, RSVD2, RSVD3, RSVD4),
+ PINI(CPU_PWR_REQ, SYS, CPU, RSVD2, RSVD3, RSVD4),
+ PINI(PWR_INT_N, SYS, PMI, RSVD2, RSVD3, RSVD4),
+ PINI(CLK_32K_IN, SYS, CLK, RSVD2, RSVD3, RSVD4),
+ PINI(OWR, SYS, OWR, RSVD2, RSVD3, RSVD4),
+ PINI(DAP1_FS, AUDIO, I2S0, HDA, GMI, RSVD4),
+ PINI(DAP1_DIN, AUDIO, I2S0, HDA, GMI, RSVD4),
+ PINI(DAP1_DOUT, AUDIO, I2S0, HDA, GMI, RSVD4),
+ PINI(DAP1_SCLK, AUDIO, I2S0, HDA, GMI, RSVD4),
+ PINI(CLK1_REQ, AUDIO, DAP, DAP1, RSVD3, RSVD4),
+ PINI(CLK1_OUT, AUDIO, EXTPERIPH1, DAP2, RSVD3, RSVD4),
+ PINI(SPDIF_IN, AUDIO, SPDIF, USB, RSVD3, RSVD4),
+ PINI(SPDIF_OUT, AUDIO, SPDIF, RSVD2, RSVD3, RSVD4),
+ PINI(DAP2_FS, AUDIO, I2S1, HDA, RSVD3, RSVD4),
+ PINI(DAP2_DIN, AUDIO, I2S1, HDA, RSVD3, RSVD4),
+ PINI(DAP2_DOUT, AUDIO, I2S1, HDA, RSVD3, RSVD4),
+ PINI(DAP2_SCLK, AUDIO, I2S1, HDA, RSVD3, RSVD4),
+ PINI(SPI2_MOSI, AUDIO, SPI6, CLDVFS, RSVD3, RSVD4),
+ PINI(SPI2_MISO, AUDIO, SPI6, RSVD2, RSVD3, RSVD4),
+ PINI(SPI2_CS0_N, AUDIO, SPI6, SPI1, RSVD3, RSVD4),
+ PINI(SPI2_SCK, AUDIO, SPI6, CLDVFS, RSVD3, RSVD4),
+ PINI(SPI1_MOSI, AUDIO, RSVD1, SPI1, SPI2, DAP2),
+ PINI(SPI1_SCK, AUDIO, RSVD1, SPI1, SPI2, RSVD4),
+ PINI(SPI1_CS0_N, AUDIO, SPI6, SPI1, SPI2, RSVD4),
+ PINI(SPI1_MISO, AUDIO, RSVD1, SPI1, SPI2, RSVD4),
+ PINI(SPI2_CS1_N, AUDIO, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(SPI2_CS2_N, AUDIO, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(SDMMC3_CLK, SDMMC3, SDMMC3, RSVD2, RSVD3, SPI3),
+ PINI(SDMMC3_CMD, SDMMC3, SDMMC3, PWM3, UARTA, SPI3),
+ PINI(SDMMC3_DAT0, SDMMC3, SDMMC3, RSVD2, RSVD3, SPI3),
+ PINI(SDMMC3_DAT1, SDMMC3, SDMMC3, PWM2, UARTA, SPI3),
+ PINI(SDMMC3_DAT2, SDMMC3, SDMMC3, PWM1, DISPA, SPI3),
+ PINI(SDMMC3_DAT3, SDMMC3, SDMMC3, PWM0, DISPB, SPI3),
+ PINI(SDMMC3_DAT4, SDMMC3, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(SDMMC3_DAT5, SDMMC3, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(SDMMC3_DAT6, SDMMC3, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(SDMMC3_DAT7, SDMMC3, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(HDMI_CEC, SYS, CEC, SDMMC3, RSVD3, SOC),
+ PINI(SDMMC1_WP_N, SDMMC1, SDMMC1, CLK12, SPI4, UARTA),
+ PINI(SDMMC3_CD_N, SDMMC3, SDMMC3, OWR, RSVD3, RSVD4),
+ PINI(SPI1_CS1_N, AUDIO, SPI6, RSVD2, SPI2, I2C1),
+ PINI(SPI1_CS2_N, AUDIO, SPI6, SPI1, SPI2, I2C1),
+ PINI(USB_VBUS_EN0, SYS, USB, RSVD2, RSVD3, RSVD4),
+ PINI(USB_VBUS_EN1, SYS, USB, RSVD2, RSVD3, RSVD4),
+ PINI(SDMMC3_CLK_LB_IN, SDMMC3, SDMMC3, RSVD2, RSVD3, RSVD4),
+ PINO(SDMMC3_CLK_LB_OUT, SDMMC3, SDMMC3, RSVD2, RSVD3, RSVD4),
+ PINO(NAND_GMI_CLK_LB, GMI, SDMMC2, NAND, GMI, RSVD4),
+ PINO(RESET_OUT_N, SYS, RSVD1, RSVD2, RSVD3, RESET_OUT_N),
+};
+
+void pinmux_set_tristate(enum pmux_pingrp pin, int enable)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *tri = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin */
+ assert(pmux_pingrp_isvalid(pin));
+
+ reg = readl(tri);
+ if (enable)
+ reg |= PMUX_TRISTATE_MASK;
+ else
+ reg &= ~PMUX_TRISTATE_MASK;
+ writel(reg, tri);
+}
+
+void pinmux_tristate_enable(enum pmux_pingrp pin)
+{
+ pinmux_set_tristate(pin, 1);
+}
+
+void pinmux_tristate_disable(enum pmux_pingrp pin)
+{
+ pinmux_set_tristate(pin, 0);
+}
+
+void pinmux_set_pullupdown(enum pmux_pingrp pin, enum pmux_pull pupd)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pull = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and pupd */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_pupd_isvalid(pupd));
+
+ reg = readl(pull);
+ reg &= ~(0x3 << PMUX_PULL_SHIFT);
+ reg |= (pupd << PMUX_PULL_SHIFT);
+ writel(reg, pull);
+}
+
+void pinmux_set_func(enum pmux_pingrp pin, enum pmux_func func)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *muxctl = &pmt->pmt_ctl[pin];
+ int i, mux = -1;
+ u32 reg;
+
+ /* Error check on pin and func */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_func_isvalid(func));
+
+ /* Handle special values */
+ if (func == PMUX_FUNC_SAFE)
+ func = tegra_soc_pingroups[pin].func_safe;
+
+ if (func & PMUX_FUNC_RSVD1) {
+ mux = func & 0x3;
+ } else {
+ /* Search for the appropriate function */
+ for (i = 0; i < 4; i++) {
+ if (tegra_soc_pingroups[pin].funcs[i] == func) {
+ mux = i;
+ break;
+ }
+ }
+ }
+ assert(mux != -1);
+
+ reg = readl(muxctl);
+ reg &= ~(0x3 << PMUX_MUXCTL_SHIFT);
+ reg |= (mux << PMUX_MUXCTL_SHIFT);
+ writel(reg, muxctl);
+
+}
+
+void pinmux_set_io(enum pmux_pingrp pin, enum pmux_pin_io io)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pin_io = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and io */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_io_isvalid(io));
+
+ reg = readl(pin_io);
+ reg &= ~(0x1 << PMUX_IO_SHIFT);
+ reg |= (io & 0x1) << PMUX_IO_SHIFT;
+ writel(reg, pin_io);
+}
+
+static int pinmux_set_lock(enum pmux_pingrp pin, enum pmux_pin_lock lock)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pin_lock = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and lock */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_lock_isvalid(lock));
+
+ if (lock == PMUX_PIN_LOCK_DEFAULT)
+ return 0;
+
+ reg = readl(pin_lock);
+ reg &= ~(0x1 << PMUX_LOCK_SHIFT);
+ if (lock == PMUX_PIN_LOCK_ENABLE)
+ reg |= (0x1 << PMUX_LOCK_SHIFT);
+ else {
+ /* lock == DISABLE, which isn't possible */
+ printf("%s: Warning: lock == %d, DISABLE is not allowed!\n",
+ __func__, lock);
+ }
+ writel(reg, pin_lock);
+
+ return 0;
+}
+
+static int pinmux_set_od(enum pmux_pingrp pin, enum pmux_pin_od od)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pin_od = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and od */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_od_isvalid(od));
+
+ if (od == PMUX_PIN_OD_DEFAULT)
+ return 0;
+
+ reg = readl(pin_od);
+ reg &= ~(0x1 << PMUX_OD_SHIFT);
+ if (od == PMUX_PIN_OD_ENABLE)
+ reg |= (0x1 << PMUX_OD_SHIFT);
+ writel(reg, pin_od);
+
+ return 0;
+}
+
+static int pinmux_set_ioreset(enum pmux_pingrp pin,
+ enum pmux_pin_ioreset ioreset)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pin_ioreset = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and ioreset */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_ioreset_isvalid(ioreset));
+
+ if (ioreset == PMUX_PIN_IO_RESET_DEFAULT)
+ return 0;
+
+ reg = readl(pin_ioreset);
+ reg &= ~(0x1 << PMUX_IO_RESET_SHIFT);
+ if (ioreset == PMUX_PIN_IO_RESET_ENABLE)
+ reg |= (0x1 << PMUX_IO_RESET_SHIFT);
+ writel(reg, pin_ioreset);
+
+ return 0;
+}
+
+void pinmux_config_pingroup(struct pingroup_config *config)
+{
+ enum pmux_pingrp pin = config->pingroup;
+
+ pinmux_set_func(pin, config->func);
+ pinmux_set_pullupdown(pin, config->pull);
+ pinmux_set_tristate(pin, config->tristate);
+ pinmux_set_io(pin, config->io);
+ pinmux_set_lock(pin, config->lock);
+ pinmux_set_od(pin, config->od);
+ pinmux_set_ioreset(pin, config->ioreset);
+}
+
+void pinmux_config_table(struct pingroup_config *config, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ pinmux_config_pingroup(&config[i]);
+}
projects / u-boot / commitdiff