--- /dev/null
+/*
+ * Copyright (C) 2017 Stefano Babic <sbabic@denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/mach-imx/boot_mode.h>
+#include <asm/mach-imx/mxc_i2c.h>
+#include <asm/mach-imx/spi.h>
+#include <linux/errno.h>
+#include <asm/gpio.h>
+#include <mmc.h>
+#include <i2c.h>
+#include <fsl_esdhc.h>
+#include <nand.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/sections.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
+ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
+ PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+
+#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
+ PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
+ PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+
+#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
+ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
+
+#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
+
+#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
+ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
+ PAD_CTL_ODE | PAD_CTL_SRE_FAST)
+
+#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
+
+#define ASRC_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | \
+ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
+
+#define NAND_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
+
+#define ENET_PHY_RESET_GPIO IMX_GPIO_NR(1, 14)
+#define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4)
+#define GREEN_LED IMX_GPIO_NR(2, 31)
+#define RED_LED IMX_GPIO_NR(1, 30)
+#define IMX6Q_DRIVE_STRENGTH 0x30
+
+int dram_init(void)
+{
+ gd->ram_size = imx_ddr_size();
+ return 0;
+}
+
+static iomux_v3_cfg_t const uart4_pads[] = {
+ IOMUX_PADS(PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
+ IOMUX_PADS(PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
+};
+
+static iomux_v3_cfg_t const enet_pads[] = {
+ IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL |
+ MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK |
+ MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL |
+ MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_DAT1__GPIO1_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
+static iomux_v3_cfg_t const ecspi3_pads[] = {
+ IOMUX_PADS(PAD_DISP0_DAT0__ECSPI3_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)),
+ IOMUX_PADS(PAD_DISP0_DAT1__ECSPI3_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)),
+ IOMUX_PADS(PAD_DISP0_DAT2__ECSPI3_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)),
+ IOMUX_PADS(PAD_DISP0_DAT3__GPIO4_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
+static iomux_v3_cfg_t const gpios_pads[] = {
+ IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_DAT4__GPIO2_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_DAT5__GPIO2_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_DAT6__GPIO2_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_DAT7__GPIO2_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_EIM_EB3__GPIO2_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
+#ifdef CONFIG_CMD_NAND
+/* NAND */
+static iomux_v3_cfg_t const nfc_pads[] = {
+ IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_CS1__NAND_CE1_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_CS2__NAND_CE2_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_CS3__NAND_CE3_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_DAT0__NAND_DQS | MUX_PAD_CTRL(NAND_PAD_CTRL)),
+};
+#endif
+
+static struct i2c_pads_info i2c_pad_info = {
+ .scl = {
+ .i2c_mode = MX6Q_PAD_EIM_D21__I2C1_SCL | I2C_PAD,
+ .gpio_mode = MX6Q_PAD_EIM_D21__GPIO3_IO21 | I2C_PAD,
+ .gp = IMX_GPIO_NR(3, 21)
+ },
+ .sda = {
+ .i2c_mode = MX6Q_PAD_EIM_D28__I2C1_SDA | I2C_PAD,
+ .gpio_mode = MX6Q_PAD_EIM_D28__GPIO3_IO28 | I2C_PAD,
+ .gp = IMX_GPIO_NR(3, 28)
+ }
+};
+
+static struct fsl_esdhc_cfg usdhc_cfg[] = {
+ {USDHC3_BASE_ADDR,
+ .max_bus_width = 4},
+ {.esdhc_base = USDHC2_BASE_ADDR,
+ .max_bus_width = 4},
+};
+
+#if !defined(CONFIG_SPL_BUILD)
+static iomux_v3_cfg_t const usdhc2_pads[] = {
+ IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+#endif
+
+static iomux_v3_cfg_t const usdhc3_pads[] = {
+ IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+};
+
+int board_mmc_get_env_dev(int devno)
+{
+ return devno - 1;
+}
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+ struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+ int ret = 0;
+
+ switch (cfg->esdhc_base) {
+ case USDHC2_BASE_ADDR:
+ ret = !gpio_get_value(USDHC2_CD_GPIO);
+ ret = 1;
+ break;
+ case USDHC3_BASE_ADDR:
+ ret = 1;
+ break;
+ }
+
+ return ret;
+}
+
+#ifndef CONFIG_SPL_BUILD
+int board_mmc_init(bd_t *bis)
+{
+ int ret;
+ int i;
+
+ for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
+ switch (i) {
+ case 0:
+ SETUP_IOMUX_PADS(usdhc3_pads);
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+ break;
+ case 1:
+ SETUP_IOMUX_PADS(usdhc2_pads);
+ gpio_direction_input(USDHC2_CD_GPIO);
+ usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+ break;
+ default:
+ printf("Warning: you configured more USDHC controllers"
+ "(%d) then supported by the board (%d)\n",
+ i + 1, CONFIG_SYS_FSL_USDHC_NUM);
+ return -EINVAL;
+ }
+
+ ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+#endif
+
+static void setup_iomux_uart(void)
+{
+ SETUP_IOMUX_PADS(uart4_pads);
+}
+
+static void setup_iomux_enet(void)
+{
+ SETUP_IOMUX_PADS(enet_pads);
+
+ gpio_direction_output(ENET_PHY_RESET_GPIO, 0);
+ mdelay(10);
+ gpio_set_value(ENET_PHY_RESET_GPIO, 1);
+ mdelay(30);
+}
+
+static void setup_spi(void)
+{
+ gpio_request(IMX_GPIO_NR(4, 24), "spi_cs0");
+ gpio_direction_output(IMX_GPIO_NR(4, 24), 1);
+
+ SETUP_IOMUX_PADS(ecspi3_pads);
+
+ enable_spi_clk(true, 2);
+}
+
+static void setup_gpios(void)
+{
+ SETUP_IOMUX_PADS(gpios_pads);
+}
+
+#ifdef CONFIG_CMD_NAND
+static void setup_gpmi_nand(void)
+{
+ struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+ /* config gpmi nand iomux */
+ SETUP_IOMUX_PADS(nfc_pads);
+
+ /* gate ENFC_CLK_ROOT clock first,before clk source switch */
+ clrbits_le32(&mxc_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK);
+
+ /* config gpmi and bch clock to 100 MHz */
+ clrsetbits_le32(&mxc_ccm->cs2cdr,
+ MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK |
+ MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK |
+ MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK,
+ MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
+ MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
+ MXC_CCM_CS2CDR_ENFC_CLK_SEL(3));
+
+ /* enable ENFC_CLK_ROOT clock */
+ setbits_le32(&mxc_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK);
+
+ /* enable gpmi and bch clock gating */
+ setbits_le32(&mxc_ccm->CCGR4,
+ MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK |
+ MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK |
+ MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK |
+ MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK |
+ MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET);
+
+ /* enable apbh clock gating */
+ setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
+}
+#endif
+
+/*
+ * Board revision is coded in 4 GPIOs
+ */
+u32 get_board_rev(void)
+{
+ u32 rev;
+ int i;
+
+ for (i = 0, rev = 0; i < 4; i++)
+ rev |= (gpio_get_value(IMX_GPIO_NR(2, 12 + i)) << i);
+
+ return 16 - rev;
+}
+
+int board_spi_cs_gpio(unsigned bus, unsigned cs)
+{
+ if (bus != 2 || (cs != 0))
+ return -EINVAL;
+
+ return IMX_GPIO_NR(4, 24);
+}
+
+int board_eth_init(bd_t *bis)
+{
+ setup_iomux_enet();
+
+ return cpu_eth_init(bis);
+}
+
+int board_early_init_f(void)
+{
+ setup_iomux_uart();
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+#ifdef CONFIG_SYS_I2C_MXC
+ setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info);
+#endif
+
+#ifdef CONFIG_MXC_SPI
+ setup_spi();
+#endif
+
+ setup_gpios();
+
+#ifdef CONFIG_CMD_NAND
+ setup_gpmi_nand();
+#endif
+ return 0;
+}
+
+
+#ifdef CONFIG_CMD_BMODE
+/*
+ * BOOT_CFG1, BOOT_CFG2, BOOT_CFG3, BOOT_CFG4
+ * see Table 8-11 and Table 5-9
+ * BOOT_CFG1[7] = 1 (boot from NAND)
+ * BOOT_CFG1[5] = 0 - raw NAND
+ * BOOT_CFG1[4] = 0 - default pad settings
+ * BOOT_CFG1[3:2] = 00 - devices = 1
+ * BOOT_CFG1[1:0] = 00 - Row Address Cycles = 3
+ * BOOT_CFG2[4:3] = 00 - Boot Search Count = 2
+ * BOOT_CFG2[2:1] = 01 - Pages In Block = 64
+ * BOOT_CFG2[0] = 0 - Reset time 12ms
+ */
+static const struct boot_mode board_boot_modes[] = {
+ /* NAND: 64pages per block, 3 row addr cycles, 2 copies of FCB/DBBT */
+ {"nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00)},
+ {"mmc0", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)},
+ {NULL, 0},
+};
+#endif
+
+int board_late_init(void)
+{
+ char buf[10];
+#ifdef CONFIG_CMD_BMODE
+ add_board_boot_modes(board_boot_modes);
+#endif
+
+ snprintf(buf, sizeof(buf), "%d", get_board_rev());
+ setenv("board_rev", buf);
+
+ return 0;
+}
+
+#ifdef CONFIG_SPL_BUILD
+#include <asm/arch/mx6-ddr.h>
+#include <spl.h>
+#include <libfdt.h>
+
+#define MX6_PHYFLEX_ERR006282 IMX_GPIO_NR(2, 11)
+static void phyflex_err006282_workaround(void)
+{
+ /*
+ * Boards beginning with 1362.2 have the SD4_DAT3 pin connected
+ * to the CMIC. If this pin isn't toggled within 10s the boards
+ * reset. The pin is unconnected on older boards, so we do not
+ * need a check for older boards before applying this fixup.
+ */
+
+ gpio_direction_output(MX6_PHYFLEX_ERR006282, 0);
+ mdelay(2);
+ gpio_direction_output(MX6_PHYFLEX_ERR006282, 1);
+ mdelay(2);
+ gpio_set_value(MX6_PHYFLEX_ERR006282, 0);
+
+ gpio_direction_input(MX6_PHYFLEX_ERR006282);
+}
+
+static const struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = {
+ .dram_sdclk_0 = 0x00000030,
+ .dram_sdclk_1 = 0x00000030,
+ .dram_cas = 0x00000030,
+ .dram_ras = 0x00000030,
+ .dram_reset = 0x00000030,
+ .dram_sdcke0 = 0x00003000,
+ .dram_sdcke1 = 0x00003000,
+ .dram_sdba2 = 0x00000030,
+ .dram_sdodt0 = 0x00000030,
+ .dram_sdodt1 = 0x00000030,
+
+ .dram_sdqs0 = 0x00000028,
+ .dram_sdqs1 = 0x00000028,
+ .dram_sdqs2 = 0x00000028,
+ .dram_sdqs3 = 0x00000028,
+ .dram_sdqs4 = 0x00000028,
+ .dram_sdqs5 = 0x00000028,
+ .dram_sdqs6 = 0x00000028,
+ .dram_sdqs7 = 0x00000028,
+ .dram_dqm0 = 0x00000028,
+ .dram_dqm1 = 0x00000028,
+ .dram_dqm2 = 0x00000028,
+ .dram_dqm3 = 0x00000028,
+ .dram_dqm4 = 0x00000028,
+ .dram_dqm5 = 0x00000028,
+ .dram_dqm6 = 0x00000028,
+ .dram_dqm7 = 0x00000028,
+};
+
+static const struct mx6dq_iomux_grp_regs mx6_grp_ioregs = {
+ .grp_ddr_type = 0x000C0000,
+ .grp_ddrmode_ctl = 0x00020000,
+ .grp_ddrpke = 0x00000000,
+ .grp_addds = IMX6Q_DRIVE_STRENGTH,
+ .grp_ctlds = IMX6Q_DRIVE_STRENGTH,
+ .grp_ddrmode = 0x00020000,
+ .grp_b0ds = 0x00000028,
+ .grp_b1ds = 0x00000028,
+ .grp_b2ds = 0x00000028,
+ .grp_b3ds = 0x00000028,
+ .grp_b4ds = 0x00000028,
+ .grp_b5ds = 0x00000028,
+ .grp_b6ds = 0x00000028,
+ .grp_b7ds = 0x00000028,
+};
+
+static const struct mx6_mmdc_calibration mx6_mmcd_calib = {
+ .p0_mpwldectrl0 = 0x00110011,
+ .p0_mpwldectrl1 = 0x00240024,
+ .p1_mpwldectrl0 = 0x00260038,
+ .p1_mpwldectrl1 = 0x002C0038,
+ .p0_mpdgctrl0 = 0x03400350,
+ .p0_mpdgctrl1 = 0x03440340,
+ .p1_mpdgctrl0 = 0x034C0354,
+ .p1_mpdgctrl1 = 0x035C033C,
+ .p0_mprddlctl = 0x322A2A2A,
+ .p1_mprddlctl = 0x302C2834,
+ .p0_mpwrdlctl = 0x34303834,
+ .p1_mpwrdlctl = 0x422A3E36,
+};
+
+/* Index in RAM Chip array */
+enum {
+ RAM_1GB,
+ RAM_2GB,
+ RAM_4GB
+};
+
+static struct mx6_ddr3_cfg mt41k_xx[] = {
+/* MT41K64M16JT-125 (1Gb density) */
+ {
+ .mem_speed = 1600,
+ .density = 1,
+ .width = 16,
+ .banks = 8,
+ .rowaddr = 13,
+ .coladdr = 10,
+ .pagesz = 2,
+ .trcd = 1375,
+ .trcmin = 4875,
+ .trasmin = 3500,
+ .SRT = 1,
+ },
+
+/* MT41K256M16JT-125 (2Gb density) */
+ {
+ .mem_speed = 1600,
+ .density = 2,
+ .width = 16,
+ .banks = 8,
+ .rowaddr = 14,
+ .coladdr = 10,
+ .pagesz = 2,
+ .trcd = 1375,
+ .trcmin = 4875,
+ .trasmin = 3500,
+ .SRT = 1,
+ },
+
+/* MT41K256M16JT-125 (4Gb density) */
+ {
+ .mem_speed = 1600,
+ .density = 4,
+ .width = 16,
+ .banks = 8,
+ .rowaddr = 15,
+ .coladdr = 10,
+ .pagesz = 2,
+ .trcd = 1375,
+ .trcmin = 4875,
+ .trasmin = 3500,
+ .SRT = 1,
+ }
+};
+
+static void ccgr_init(void)
+{
+ struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+ writel(0x00C03F3F, &ccm->CCGR0);
+ writel(0x0030FC03, &ccm->CCGR1);
+ writel(0x0FFFC000, &ccm->CCGR2);
+ writel(0x3FF00000, &ccm->CCGR3);
+ writel(0x00FFF300, &ccm->CCGR4);
+ writel(0x0F0000C3, &ccm->CCGR5);
+ writel(0x000003FF, &ccm->CCGR6);
+}
+
+static void gpr_init(void)
+{
+ struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
+
+ /* enable AXI cache for VDOA/VPU/IPU */
+ writel(0xF00000CF, &iomux->gpr[4]);
+ /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
+ writel(0x007F007F, &iomux->gpr[6]);
+ writel(0x007F007F, &iomux->gpr[7]);
+}
+
+static void spl_dram_init(struct mx6_ddr3_cfg *mem_ddr)
+{
+ struct mx6_ddr_sysinfo sysinfo = {
+ /* width of data bus:0=16,1=32,2=64 */
+ .dsize = 2,
+ /* config for full 4GB range so that get_mem_size() works */
+ .cs_density = 32, /* 32Gb per CS */
+ /* single chip select */
+ .ncs = 2,
+ .cs1_mirror = 0,
+ .rtt_wr = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Wr = RZQ/4 */
+ .rtt_nom = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Nom = RZQ/4 */
+ .walat = 1, /* Write additional latency */
+ .ralat = 5, /* Read additional latency */
+ .mif3_mode = 3, /* Command prediction working mode */
+ .bi_on = 1, /* Bank interleaving enabled */
+ .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */
+ .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
+ .ddr_type = DDR_TYPE_DDR3,
+ .refsel = 1, /* Refresh cycles at 32KHz */
+ .refr = 7, /* 8 refresh commands per refresh cycle */
+ };
+
+ mx6dq_dram_iocfg(64, &mx6_ddr_ioregs, &mx6_grp_ioregs);
+ mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, mem_ddr);
+}
+
+int board_mmc_init(bd_t *bis)
+{
+ if (spl_boot_device() == BOOT_DEVICE_SPI)
+ printf("MMC SEtup, Boot SPI");
+
+ SETUP_IOMUX_PADS(usdhc3_pads);
+ usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+ usdhc_cfg[0].max_bus_width = 4;
+ gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
+
+ return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+}
+
+
+void board_boot_order(u32 *spl_boot_list)
+{
+ spl_boot_list[0] = spl_boot_device();
+ printf("Boot device %x\n", spl_boot_list[0]);
+ switch (spl_boot_list[0]) {
+ case BOOT_DEVICE_SPI:
+ spl_boot_list[1] = BOOT_DEVICE_UART;
+ break;
+ case BOOT_DEVICE_MMC1:
+ spl_boot_list[1] = BOOT_DEVICE_SPI;
+ spl_boot_list[2] = BOOT_DEVICE_UART;
+ break;
+ default:
+ printf("Boot device %x\n", spl_boot_list[0]);
+ }
+}
+
+/*
+ * This is used because get_ram_size() does not
+ * take care of cache, resulting a wrong size
+ * pfla02 has just 1, 2 or 4 GB option
+ * Function checks for mirrors in the first CS
+ */
+#define RAM_TEST_PATTERN 0xaa5555aa
+static unsigned int pfla02_detect_ramsize(void)
+{
+ u32 *p, *p1;
+ unsigned int offset = 512 * 1024 * 1024;
+ int i;
+
+ for (i = 0; i < 2; i++) {
+ p = (u32 *)PHYS_SDRAM;
+ p1 = (u32 *)(PHYS_SDRAM + (i + 1) * offset);
+
+ *p1 = 0;
+ *p = RAM_TEST_PATTERN;
+
+ /*
+ * This is required to detect mirroring
+ * else we read back values from cache
+ */
+ flush_dcache_all();
+
+ if (*p == *p1)
+ return i;
+ }
+ return RAM_4GB;
+}
+
+void board_init_f(ulong dummy)
+{
+ unsigned int ramchip;
+#ifdef CONFIG_CMD_NAND
+ /* Enable NAND */
+ setup_gpmi_nand();
+#endif
+
+ /* setup clock gating */
+ ccgr_init();
+
+ /* setup AIPS and disable watchdog */
+ arch_cpu_init();
+
+ /* setup AXI */
+ gpr_init();
+
+ board_early_init_f();
+
+ /* setup GP timer */
+ timer_init();
+
+ /* UART clocks enabled and gd valid - init serial console */
+ preloader_console_init();
+
+ setup_spi();
+
+ setup_gpios();
+
+ /* DDR initialization */
+ spl_dram_init(&mt41k_xx[RAM_4GB]);
+ ramchip = pfla02_detect_ramsize();
+ if (ramchip != RAM_4GB)
+ spl_dram_init(&mt41k_xx[ramchip]);
+
+ /* Clear the BSS. */
+ memset(__bss_start, 0, __bss_end - __bss_start);
+
+ phyflex_err006282_workaround();
+
+ /* load/boot image from boot device */
+ board_init_r(NULL, 0);
+}
+#endif
--- /dev/null
+/*
+ * Copyright (C) Stefano Babic <sbabic@denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+
+#ifndef __PCM058_CONFIG_H
+#define __PCM058_CONFIG_H
+
+#include <config_distro_defaults.h>
+
+#ifdef CONFIG_SPL
+#define CONFIG_SPL_SPI_LOAD
+#define CONFIG_SYS_SPI_U_BOOT_OFFS (64 * 1024)
+#include "imx6_spl.h"
+#endif
+
+#include "mx6_common.h"
+
+/* Thermal */
+#define CONFIG_IMX_THERMAL
+
+/* Serial */
+#define CONFIG_MXC_UART
+#define CONFIG_MXC_UART_BASE UART4_BASE
+#define CONSOLE_DEV "ttymxc3"
+
+/* Early setup */
+#define CONFIG_DISPLAY_BOARDINFO_LATE
+
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN (8 * SZ_1M)
+
+/* Ethernet */
+#define CONFIG_FEC_MXC
+#define CONFIG_MII
+#define IMX_FEC_BASE ENET_BASE_ADDR
+#define CONFIG_FEC_XCV_TYPE RGMII
+#define CONFIG_ETHPRIME "FEC"
+#define CONFIG_FEC_MXC_PHYADDR 3
+
+#define CONFIG_PHYLIB
+#define CONFIG_PHY_MICREL
+#define CONFIG_PHY_KSZ9031
+
+/* SPI Flash */
+#define CONFIG_MXC_SPI
+#define CONFIG_SF_DEFAULT_BUS 2
+#define CONFIG_SF_DEFAULT_CS 0
+#define CONFIG_SF_DEFAULT_SPEED 20000000
+#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
+
+/* I2C Configs */
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_MXC
+#define CONFIG_SYS_I2C_MXC_I2C1 /* enable I2C bus 0 */
+#define CONFIG_SYS_I2C_SPEED 100000
+
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_CMD_NAND
+/* Enable NAND support */
+#define CONFIG_CMD_NAND_TRIMFFS
+#define CONFIG_NAND_MXS
+#define CONFIG_SYS_MAX_NAND_DEVICE 1
+#define CONFIG_SYS_NAND_BASE 0x40000000
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+#endif
+
+/* DMA stuff, needed for GPMI/MXS NAND support */
+#define CONFIG_APBH_DMA
+#define CONFIG_APBH_DMA_BURST
+#define CONFIG_APBH_DMA_BURST8
+
+/* Filesystem support */
+#define CONFIG_MTD_PARTITIONS
+#define CONFIG_MTD_DEVICE
+#define MTDIDS_DEFAULT "nand0=gpmi-nand"
+#define MTDPARTS_DEFAULT "mtdparts=gpmi-nand:-(nand);" \
+ "spi2.0:1024k(bootloader),64k(env1),64k(env2),-(rescue)"
+
+/* Various command support */
+
+/* Physical Memory Map */
+#define CONFIG_NR_DRAM_BANKS 1
+#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR
+
+#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
+#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
+#define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE
+
+#define CONFIG_SYS_INIT_SP_OFFSET \
+ (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR \
+ (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+/* MMC Configs */
+#define CONFIG_SYS_FSL_ESDHC_ADDR 0
+#define CONFIG_SYS_FSL_USDHC_NUM 2
+
+/* Environment organization */
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_SIZE (16 * 1024)
+#define CONFIG_ENV_OFFSET (1024 * SZ_1K)
+#define CONFIG_ENV_SECT_SIZE (64 * SZ_1K)
+#define CONFIG_ENV_SPI_BUS CONFIG_SF_DEFAULT_BUS
+#define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS
+#define CONFIG_ENV_SPI_MODE CONFIG_SF_DEFAULT_MODE
+#define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
+#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + \
+ CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
+
+#ifdef CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET (0x1E0000)
+#define CONFIG_ENV_SECT_SIZE (128 * SZ_1K)
+#endif
+
+/* Default environment */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "addcons=setenv bootargs ${bootargs} " \
+ "console=${console},${baudrate}\0" \
+ "addip=setenv bootargs ${bootargs} " \
+ "ip=${ipaddr}:${serverip}:${gatewayip}:" \
+ "${netmask}:${hostname}:${netdev}:off\0" \
+ "addmisc=setenv bootargs ${bootargs} ${miscargs}\0" \
+ "addmtd=run mtdnand;run mtdspi;" \
+ "setenv bootargs ${bootargs} ${mtdparts}\0" \
+ "mtdnand=setenv mtdparts mtdparts=gpmi-nand:" \
+ "40m(Kernels),400m(root),-(nand)\0" \
+ "mtdspi=setenv mtdparts ${mtdparts}" \
+ "';spi2.0:1024k(bootloader)," \
+ "64k(env1),64k(env2),-(rescue)'\0" \
+ "bootcmd=if test -n ${rescue};" \
+ "then run swupdate;fi;run nandboot;run swupdate\0" \
+ "bootfile=uImage\0" \
+ "bootimage=uImage\0" \
+ "console=ttymxc3\0" \
+ "fdt_addr_r=0x18000000\0" \
+ "fdt_file=pfla02.dtb\0" \
+ "fdt_high=0xffffffff\0" \
+ "initrd_high=0xffffffff\0" \
+ "kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
+ "miscargs=panic=1 quiet\0" \
+ "mmcargs=setenv bootargs root=${mmcroot} rw rootwait\0" \
+ "mmcboot=if run mmcload;then " \
+ "run mmcargs addcons addmisc;" \
+ "bootm;fi\0" \
+ "mmcload=mmc rescan;" \
+ "load mmc 0:${mmcpart} ${kernel_addr_r} boot/fitImage\0"\
+ "mmcpart=1\0" \
+ "mmcroot=/dev/mmcblk0p1\0" \
+ "ubiroot=1\0" \
+ "nandargs=setenv bootargs ubi.mtd=1 " \
+ "root=ubi0:rootfs${ubiroot} rootfstype=ubifs\0" \
+ "nandboot=run mtdnand;ubi part nand0,0;" \
+ "ubi readvol ${kernel_addr_r} kernel${ubiroot};" \
+ "run nandargs addip addcons addmtd addmisc;" \
+ "bootm ${kernel_addr_r}\0" \
+ "net_nfs=tftp ${kernel_addr_r} ${board_name}/${bootfile};" \
+ "tftp ${fdt_addr_r} ${board_name}/${fdt_file};" \
+ "run nfsargs addip addcons addmtd addmisc;" \
+ "bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \
+ "net_nfs_fit=tftp ${kernel_addr_r} ${board_name}/${fitfile};" \
+ "run nfsargs addip addcons addmtd addmisc;" \
+ "bootm ${kernel_addr_r}\0" \
+ "nfsargs=setenv bootargs root=/dev/nfs" \
+ " nfsroot=${serverip}:${nfsroot},v3 panic=1\0" \
+ "swupdate=setenv bootargs root=/dev/ram;" \
+ "run addip addcons addmtd addmisc;" \
+ "sf probe;" \
+ "sf read ${kernel_addr_r} 120000 600000;" \
+ "sf read 14000000 730000 800000;" \
+ "bootm ${kernel_addr_r} 14000000\0"
+
+#endif
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