--- /dev/null
+/*
+ * Copyright (C) 2016 Stefano Babic <sbabic@denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/*
+ * Please note: there are two version of the board
+ * one with NAND and the other with eMMC.
+ * Both NAND and eMMC cannot be set because they share the
+ * same pins (SD4)
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/mx6-ddr.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/boot_mode.h>
+#include <asm/imx-common/mxc_i2c.h>
+#include <asm/imx-common/spi.h>
+#include <asm/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 USDHC1_CD_GPIO IMX_GPIO_NR(6, 31)
+#define USER_LED IMX_GPIO_NR(1, 4)
+#define IMX6Q_DRIVE_STRENGTH 0x30
+
+int dram_init(void)
+{
+ gd->ram_size = imx_ddr_size();
+ return 0;
+}
+
+void board_turn_off_led(void)
+{
+ gpio_direction_output(USER_LED, 0);
+}
+
+static iomux_v3_cfg_t const uart1_pads[] = {
+ MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
+ MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const enet_pads[] = {
+ MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_SD2_DAT1__GPIO1_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const ecspi1_pads[] = {
+ MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
+ MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
+ MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
+ MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+/* NAND */
+static iomux_v3_cfg_t const nfc_pads[] = {
+ MX6_PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_CS1__NAND_CE1_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_CS2__NAND_CE2_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_CS3__NAND_CE3_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX6_PAD_SD4_DAT0__NAND_DQS | MUX_PAD_CTRL(NAND_PAD_CTRL),
+};
+
+
+/* GPIOS */
+static iomux_v3_cfg_t const gpios_pads[] = {
+};
+
+static struct i2c_pads_info i2c_pad_info2 = {
+ .scl = {
+ .i2c_mode = MX6_PAD_GPIO_5__I2C3_SCL | I2C_PAD,
+ .gpio_mode = MX6_PAD_GPIO_5__GPIO1_IO05 | I2C_PAD,
+ .gp = IMX_GPIO_NR(1, 5)
+ },
+ .sda = {
+ .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD,
+ .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD,
+ .gp = IMX_GPIO_NR(1, 6)
+ }
+};
+
+static struct fsl_esdhc_cfg usdhc_cfg[] = {
+ {.esdhc_base = USDHC1_BASE_ADDR,
+ .max_bus_width = 4},
+#ifndef CONFIG_CMD_NAND
+ {USDHC4_BASE_ADDR},
+#endif
+};
+
+static iomux_v3_cfg_t const usdhc1_pads[] = {
+ MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
+};
+
+#ifndef CONFIG_CMD_NAND
+static iomux_v3_cfg_t const usdhc4_pads[] = {
+ MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+};
+#endif
+
+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 USDHC1_BASE_ADDR:
+ ret = !gpio_get_value(USDHC1_CD_GPIO);
+ break;
+ case USDHC4_BASE_ADDR:
+ ret = 1; /* eMMC/uSDHC4 is always present */
+ break;
+ }
+
+ return ret;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+#ifndef CONFIG_SPL_BUILD
+ int ret;
+ int i;
+
+ for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
+ switch (i) {
+ case 0:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
+ gpio_direction_input(USDHC1_CD_GPIO);
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+ break;
+#ifndef CONFIG_CMD_NAND
+ case 1:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
+ usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
+ break;
+#endif
+ 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;
+#else
+ struct src *psrc = (struct src *)SRC_BASE_ADDR;
+ unsigned reg = readl(&psrc->sbmr1) >> 11;
+ /*
+ * Upon reading BOOT_CFG register the following map is done:
+ * Bit 11 and 12 of BOOT_CFG register can determine the current
+ * mmc port
+ * 0x1 SD1
+ * 0x2 SD2
+ * 0x3 SD4
+ */
+
+ switch (reg & 0x3) {
+ case 0x0:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
+ gpio_direction_input(USDHC1_CD_GPIO);
+ usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR;
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+ usdhc_cfg[0].max_bus_width = 4;
+ gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
+ break;
+ }
+ return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+#endif
+}
+
+static void setup_iomux_uart(void)
+{
+ imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
+}
+
+static void setup_iomux_enet(void)
+{
+ imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(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(3, 19), "spi_cs0");
+ gpio_direction_output(IMX_GPIO_NR(3, 19), 1);
+
+ imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
+
+ enable_spi_clk(true, 0);
+}
+
+#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 */
+ imx_iomux_v3_setup_multiple_pads(nfc_pads, ARRAY_SIZE(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
+
+int board_spi_cs_gpio(unsigned bus, unsigned cs)
+{
+ if (bus != 0 || (cs != 0))
+ return -EINVAL;
+
+ return IMX_GPIO_NR(3, 19);
+}
+
+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(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
+#endif
+
+#ifdef CONFIG_MXC_SPI
+ setup_spi();
+#endif
+
+#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)
+{
+#ifdef CONFIG_CMD_BMODE
+ add_board_boot_modes(board_boot_modes);
+#endif
+
+ return 0;
+}
+
+#ifdef CONFIG_SPL_BUILD
+#include <spl.h>
+#include <libfdt.h>
+
+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 = 0x00000030,
+ .dram_sdcke1 = 0x00000030,
+ .dram_sdba2 = 0x00000000,
+ .dram_sdodt0 = 0x00000030,
+ .dram_sdodt1 = 0x00000030,
+ .dram_sdqs0 = 0x00000030,
+ .dram_sdqs1 = 0x00000030,
+ .dram_sdqs2 = 0x00000030,
+ .dram_sdqs3 = 0x00000030,
+ .dram_sdqs4 = 0x00000030,
+ .dram_sdqs5 = 0x00000030,
+ .dram_sdqs6 = 0x00000030,
+ .dram_sdqs7 = 0x00000030,
+ .dram_dqm0 = 0x00000030,
+ .dram_dqm1 = 0x00000030,
+ .dram_dqm2 = 0x00000030,
+ .dram_dqm3 = 0x00000030,
+ .dram_dqm4 = 0x00000030,
+ .dram_dqm5 = 0x00000030,
+ .dram_dqm6 = 0x00000030,
+ .dram_dqm7 = 0x00000030,
+};
+
+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 = IMX6Q_DRIVE_STRENGTH,
+ .grp_b1ds = IMX6Q_DRIVE_STRENGTH,
+ .grp_b2ds = IMX6Q_DRIVE_STRENGTH,
+ .grp_b3ds = IMX6Q_DRIVE_STRENGTH,
+ .grp_b4ds = IMX6Q_DRIVE_STRENGTH,
+ .grp_b5ds = IMX6Q_DRIVE_STRENGTH,
+ .grp_b6ds = IMX6Q_DRIVE_STRENGTH,
+ .grp_b7ds = IMX6Q_DRIVE_STRENGTH,
+};
+
+static const struct mx6_mmdc_calibration mx6_mmcd_calib = {
+ .p0_mpwldectrl0 = 0x00140014,
+ .p0_mpwldectrl1 = 0x000A0015,
+ .p1_mpwldectrl0 = 0x000A001E,
+ .p1_mpwldectrl1 = 0x000A0015,
+ .p0_mpdgctrl0 = 0x43080314,
+ .p0_mpdgctrl1 = 0x02680300,
+ .p1_mpdgctrl0 = 0x430C0318,
+ .p1_mpdgctrl1 = 0x03000254,
+ .p0_mprddlctl = 0x3A323234,
+ .p1_mprddlctl = 0x3E3C3242,
+ .p0_mpwrdlctl = 0x2A2E3632,
+ .p1_mpwrdlctl = 0x3C323E34,
+};
+
+static struct mx6_ddr3_cfg mem_ddr = {
+ .mem_speed = 1600,
+ .density = 2,
+ .width = 16,
+ .banks = 8,
+ .rowaddr = 14,
+ .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(void)
+{
+ 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 = 1,
+ .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,
+ };
+
+ mx6dq_dram_iocfg(64, &mx6_ddr_ioregs, &mx6_grp_ioregs);
+ mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
+}
+
+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]);
+ }
+}
+
+void board_init_f(ulong dummy)
+{
+#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();
+
+ setup_spi();
+
+ /* UART clocks enabled and gd valid - init serial console */
+ preloader_console_init();
+
+ /* DDR initialization */
+ spl_dram_init();
+
+ /* Clear the BSS. */
+ memset(__bss_start, 0, __bss_end - __bss_start);
+
+ /* 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_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_YMODEM_SUPPORT
+#define CONFIG_SPL_MMC_SUPPORT
+#define CONFIG_SPL_DMA_SUPPORT
+#define CONFIG_SPL_SPI_SUPPORT
+#define CONFIG_SPL_SPI_FLASH_SUPPORT
+#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 UART2_BASE
+#define CONFIG_CONSOLE_DEV "ttymxc1"
+
+#define PHYS_SDRAM_SIZE (1u * 1024 * 1024 * 1024)
+
+/* Early setup */
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_BOARD_LATE_INIT
+#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 0
+#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_I2C3 /* enable I2C bus 2 */
+#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_LZO
+#define CONFIG_CMD_UBIFS
+#define CONFIG_CMD_MTDPARTS
+#define CONFIG_MTD_PARTITIONS
+#define CONFIG_MTD_DEVICE
+#define MTDIDS_DEFAULT "nand0=nand"
+#define MTDPARTS_DEFAULT "mtdparts=nand:16m(uboot),1m(env),-(rootfs)"
+
+/* Various command support */
+#define CONFIG_CMD_BMODE /* set eFUSE shadow for a boot dev and reset */
+#define CONFIG_CMD_HDMIDETECT /* detect HDMI output device */
+#define CONFIG_CMD_GSC
+#define CONFIG_CMD_EECONFIG /* Gateworks EEPROM config cmd */
+#define CONFIG_CMD_UBI
+#define CONFIG_RBTREE
+
+/* 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 1
+
+/* 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
+
+#endif
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