path: root/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c

/*
 * Copyright (C) 2015-2016 Freescale Semiconductor, Inc.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <asm/arch/clock.h>
#include <asm/arch/iomux.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/mx6ul_pins.h>
#include <asm/arch/mx6-pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/boot_mode.h>
#include <asm/imx-common/mxc_i2c.h>
#include <asm/io.h>
#include <common.h>
#include <fsl_esdhc.h>
#include <i2c.h>
#include <miiphy.h>
#include <linux/sizes.h>
#include <mmc.h>
#include <mxsfb.h>
#include <netdev.h>
#include <power/pmic.h>
#include <power/pfuze3000_pmic.h>
#include "../common/pfuze.h"
#include <usb.h>
#include <usb/ehci-ci.h>
#include <asm/imx-common/video.h>

DECLARE_GLOBAL_DATA_PTR;

#define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
	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_PKE | PAD_CTL_PUE |		\
	PAD_CTL_PUS_22K_UP  | PAD_CTL_SPEED_LOW |		\
	PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)

#define USDHC_DAT3_CD_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |	\
	PAD_CTL_PUS_100K_DOWN  | PAD_CTL_SPEED_LOW |		\
	PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)

#define I2C_PAD_CTRL    (PAD_CTL_PKE | PAD_CTL_PUE |            \
	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |               \
	PAD_CTL_DSE_40ohm | PAD_CTL_HYS |			\
	PAD_CTL_ODE)

#define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE |     \
	PAD_CTL_SPEED_HIGH   |                                  \
	PAD_CTL_DSE_48ohm   | PAD_CTL_SRE_FAST)

#define GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP)
#define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \
			PAD_CTL_SRE_FAST)
#define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1)

#define LCD_PAD_CTRL    (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
	PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm)

#define MDIO_PAD_CTRL  (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE |     \
	PAD_CTL_DSE_48ohm   | PAD_CTL_SRE_FAST | PAD_CTL_ODE)

#define ENET_CLK_PAD_CTRL  (PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST)

#define OTG_ID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |		\
	PAD_CTL_PUS_47K_UP  | PAD_CTL_SPEED_LOW |		\
	PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)

#ifndef CONFIG_DM_74X164
#define IOX_SDI IMX_GPIO_NR(5, 10)
#define IOX_STCP IMX_GPIO_NR(5, 7)
#define IOX_SHCP IMX_GPIO_NR(5, 11)
#define IOX_OE IMX_GPIO_NR(5, 8)

static iomux_v3_cfg_t const iox_pads[] = {
	/* IOX_SDI */
	MX6_PAD_BOOT_MODE0__GPIO5_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
	/* IOX_SHCP */
	MX6_PAD_BOOT_MODE1__GPIO5_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
	/* IOX_STCP */
	MX6_PAD_SNVS_TAMPER7__GPIO5_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL),
	/* IOX_nOE */
	MX6_PAD_SNVS_TAMPER8__GPIO5_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
};

/*
 * HDMI_nRST --> Q0
 * ENET1_nRST --> Q1
 * ENET2_nRST --> Q2
 * CAN1_2_STBY --> Q3
 * BT_nPWD --> Q4
 * CSI_RST --> Q5
 * CSI_PWDN --> Q6
 * LCD_nPWREN --> Q7
 */
enum qn {
	HDMI_NRST,
	ENET1_NRST,
	ENET2_NRST,
	CAN1_2_STBY,
	BT_NPWD,
	CSI_RST,
	CSI_PWDN,
	LCD_NPWREN,
};

enum qn_func {
	qn_reset,
	qn_enable,
	qn_disable,
};

enum qn_level {
	qn_low = 0,
	qn_high = 1,
};

static enum qn_level seq[3][2] = {
	{0, 1}, {1, 1}, {0, 0}
};

static enum qn_func qn_output[8] = {
	qn_reset, qn_reset, qn_reset, qn_enable, qn_disable, qn_reset,
	qn_disable, qn_disable
};

static void iox74lv_init(void)
{
	int i;

	gpio_direction_output(IOX_OE, 0);

	for (i = 7; i >= 0; i--) {
		gpio_direction_output(IOX_SHCP, 0);
		gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]);
		udelay(500);
		gpio_direction_output(IOX_SHCP, 1);
		udelay(500);
	}

	gpio_direction_output(IOX_STCP, 0);
	udelay(500);
	/*
	 * shift register will be output to pins
	 */
	gpio_direction_output(IOX_STCP, 1);

	for (i = 7; i >= 0; i--) {
		gpio_direction_output(IOX_SHCP, 0);
		gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]);
		udelay(500);
		gpio_direction_output(IOX_SHCP, 1);
		udelay(500);
	}
	gpio_direction_output(IOX_STCP, 0);
	udelay(500);
	/*
	 * shift register will be output to pins
	 */
	gpio_direction_output(IOX_STCP, 1);
};
#endif

#ifdef CONFIG_SYS_I2C
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C1 for PMIC and EEPROM */
static struct i2c_pads_info i2c_pad_info1 = {
	.scl = {
		.i2c_mode =  MX6_PAD_UART4_TX_DATA__I2C1_SCL | PC,
		.gpio_mode = MX6_PAD_UART4_TX_DATA__GPIO1_IO28 | PC,
		.gp = IMX_GPIO_NR(1, 28),
	},
	.sda = {
		.i2c_mode = MX6_PAD_UART4_RX_DATA__I2C1_SDA | PC,
		.gpio_mode = MX6_PAD_UART4_RX_DATA__GPIO1_IO29 | PC,
		.gp = IMX_GPIO_NR(1, 29),
	},
};

#ifdef CONFIG_POWER
#define I2C_PMIC       0
int power_init_board(void)
{
	if (is_mx6ul_9x9_evk()) {
		struct pmic *pfuze;
		int ret;
		unsigned int reg, rev_id;

		ret = power_pfuze3000_init(I2C_PMIC);
		if (ret)
			return ret;

		pfuze = pmic_get("PFUZE3000");
		ret = pmic_probe(pfuze);
		if (ret)
			return ret;

		pmic_reg_read(pfuze, PFUZE3000_DEVICEID, &reg);
		pmic_reg_read(pfuze, PFUZE3000_REVID, &rev_id);
		printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n",
		       reg, rev_id);

		/* disable Low Power Mode during standby mode */
		pmic_reg_read(pfuze, PFUZE3000_LDOGCTL, &reg);
		reg |= 0x1;
		pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, reg);

		/* SW1B step ramp up time from 2us to 4us/25mV */
		reg = 0x40;
		pmic_reg_write(pfuze, PFUZE3000_SW1BCONF, reg);

		/* SW1B mode to APS/PFM */
		reg = 0xc;
		pmic_reg_write(pfuze, PFUZE3000_SW1BMODE, reg);

		/* SW1B standby voltage set to 0.975V */
		reg = 0xb;
		pmic_reg_write(pfuze, PFUZE3000_SW1BSTBY, reg);
	}

	return 0;
}

#ifdef CONFIG_LDO_BYPASS_CHECK
void ldo_mode_set(int ldo_bypass)
{
	unsigned int value;
	u32 vddarm;

	struct pmic *p = pmic_get("PFUZE3000");

	if (!p) {
		printf("No PMIC found!\n");
		return;
	}

	/* switch to ldo_bypass mode */
	if (ldo_bypass) {
		prep_anatop_bypass();
		/* decrease VDDARM to 1.275V */
		pmic_reg_read(p, PFUZE3000_SW1BVOLT, &value);
		value &= ~0x1f;
		value |= PFUZE3000_SW1AB_SETP(1275);
		pmic_reg_write(p, PFUZE3000_SW1BVOLT, value);

		set_anatop_bypass(1);
		vddarm = PFUZE3000_SW1AB_SETP(1175);

		pmic_reg_read(p, PFUZE3000_SW1BVOLT, &value);
		value &= ~0x1f;
		value |= vddarm;
		pmic_reg_write(p, PFUZE3000_SW1BVOLT, value);

		finish_anatop_bypass();

		printf("switch to ldo_bypass mode!\n");
	}
}
#endif
#endif
#endif

#ifdef CONFIG_DM_PMIC
int power_init_board(void)
{
	struct udevice *dev;
	int ret, dev_id, rev_id;
	unsigned int reg;

	ret = pmic_get("pfuze3000", &dev);
	if (ret == -ENODEV)
		return 0;
	if (ret != 0)
		return ret;

	dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
	rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
	printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);

	/* disable Low Power Mode during standby mode */
	reg = pmic_reg_read(dev, PFUZE3000_LDOGCTL);
	reg |= 0x1;
	pmic_reg_write(dev, PFUZE3000_LDOGCTL, reg);

	/* SW1B step ramp up time from 2us to 4us/25mV */
	reg = 0x40;
	pmic_reg_write(dev, PFUZE3000_SW1BCONF, reg);

	/* SW1B mode to APS/PFM */
	reg = 0xc;
	pmic_reg_write(dev, PFUZE3000_SW1BMODE, reg);

	/* SW1B standby voltage set to 0.975V */
	reg = 0xb;
	pmic_reg_write(dev, PFUZE3000_SW1BSTBY, reg);

	return 0;
}

#ifdef CONFIG_LDO_BYPASS_CHECK
void ldo_mode_set(int ldo_bypass)
{
	unsigned int value;
	u32 vddarm;
	struct udevice *dev;
	int ret;

	ret = pmic_get("pfuze3000", &dev);
	if (ret == -ENODEV) {
		printf("No PMIC found!\n");
		return;
	}

	/* switch to ldo_bypass mode */
	if (ldo_bypass) {
		prep_anatop_bypass();
		/* decrease VDDARM to 1.275V */
		value = pmic_reg_read(dev, PFUZE3000_SW1BVOLT);
		value &= ~0x1f;
		value |= PFUZE3000_SW1AB_SETP(1275);
		pmic_reg_write(dev, PFUZE3000_SW1BVOLT, value);

		set_anatop_bypass(1);
		vddarm = PFUZE3000_SW1AB_SETP(1175);

		value = pmic_reg_read(dev, PFUZE3000_SW1BVOLT);
		value &= ~0x1f;
		value |= vddarm;
		pmic_reg_write(dev, PFUZE3000_SW1BVOLT, value);

		finish_anatop_bypass();

		printf("switch to ldo_bypass mode!\n");
	}
}
#endif
#endif

int dram_init(void)
{
	gd->ram_size = imx_ddr_size();

	return 0;
}

static iomux_v3_cfg_t const uart1_pads[] = {
	MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
	MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
};

static iomux_v3_cfg_t const usdhc1_pads[] = {
	MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD1_DATA0__USDHC1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD1_DATA1__USDHC1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD1_DATA2__USDHC1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD1_DATA3__USDHC1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),

	/* VSELECT */
	MX6_PAD_GPIO1_IO05__USDHC1_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	/* CD */
	MX6_PAD_UART1_RTS_B__GPIO1_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),
	/* RST_B */
	MX6_PAD_GPIO1_IO09__GPIO1_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
};

/*
 * mx6ul_14x14_evk board default supports sd card. If want to use
 * EMMC, need to do board rework for sd2.
 * Introduce CONFIG_MX6UL_14X14_EVK_EMMC_REWORK, if sd2 reworked to support
 * emmc, need to define this macro.
 */
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
static iomux_v3_cfg_t const usdhc2_emmc_pads[] = {
	MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NAND_DATA04__USDHC2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NAND_DATA05__USDHC2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NAND_DATA06__USDHC2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NAND_DATA07__USDHC2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),

	/*
	 * RST_B
	 */
	MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
#else
static iomux_v3_cfg_t const usdhc2_pads[] = {
	MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};

/*
 * The evk board uses DAT3 to detect CD card plugin,
 * in u-boot we mux the pin to GPIO when doing board_mmc_getcd.
 */
static iomux_v3_cfg_t const usdhc2_cd_pad =
	MX6_PAD_NAND_DATA03__GPIO4_IO05 | MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL);

static iomux_v3_cfg_t const usdhc2_dat3_pad =
	MX6_PAD_NAND_DATA03__USDHC2_DATA3 |
	MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL);
#endif

static void setup_iomux_uart(void)
{
	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
}

#ifdef CONFIG_FSL_QSPI

#ifndef CONFIG_DM_SPI
#define QSPI_PAD_CTRL1	\
	(PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \
	 PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_120ohm)

static iomux_v3_cfg_t const quadspi_pads[] = {
	MX6_PAD_NAND_WP_B__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
	MX6_PAD_NAND_READY_B__QSPI_A_DATA00 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
	MX6_PAD_NAND_CE0_B__QSPI_A_DATA01 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
	MX6_PAD_NAND_CE1_B__QSPI_A_DATA02 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
	MX6_PAD_NAND_CLE__QSPI_A_DATA03 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
	MX6_PAD_NAND_DQS__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
};
#endif

static int board_qspi_init(void)
{
#ifndef CONFIG_DM_SPI
	/* Set the iomux */
	imx_iomux_v3_setup_multiple_pads(quadspi_pads,
					 ARRAY_SIZE(quadspi_pads));
#endif
	/* Set the clock */
	enable_qspi_clk(0);

	return 0;
}
#endif

#ifdef CONFIG_FSL_ESDHC
static struct fsl_esdhc_cfg usdhc_cfg[2] = {
	{USDHC1_BASE_ADDR, 0, 4},
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
	{USDHC2_BASE_ADDR, 0, 8},
#else
	{USDHC2_BASE_ADDR, 0, 4},
#endif
};

#define USDHC1_CD_GPIO	IMX_GPIO_NR(1, 19)
#define USDHC1_PWR_GPIO	IMX_GPIO_NR(1, 9)
#define USDHC2_CD_GPIO	IMX_GPIO_NR(4, 5)
#define USDHC2_PWR_GPIO	IMX_GPIO_NR(4, 10)

int board_mmc_get_env_dev(int devno)
{
	if (devno == 1 && mx6_esdhc_fused(USDHC1_BASE_ADDR))
		devno = 0;

	return devno;
}

int mmc_map_to_kernel_blk(int devno)
{
	if (devno == 0 && mx6_esdhc_fused(USDHC1_BASE_ADDR))
		devno = 1;

	return devno;
}

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 USDHC2_BASE_ADDR:
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
		ret = 1;
#else
		imx_iomux_v3_setup_pad(usdhc2_cd_pad);
		gpio_request(USDHC2_CD_GPIO, "usdhc2 cd");
		gpio_direction_input(USDHC2_CD_GPIO);

		/*
		 * Since it is the DAT3 pin, this pin is pulled to
		 * low voltage if no card
		 */
		ret = gpio_get_value(USDHC2_CD_GPIO);

		imx_iomux_v3_setup_pad(usdhc2_dat3_pad);
#endif
		break;
	}

	return ret;
}

int board_mmc_init(bd_t *bis)
{
#ifdef CONFIG_SPL_BUILD
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
	imx_iomux_v3_setup_multiple_pads(usdhc2_emmc_pads,
					 ARRAY_SIZE(usdhc2_emmc_pads));
#else
	imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
#endif
	gpio_direction_output(USDHC2_PWR_GPIO, 0);
	udelay(500);
	gpio_direction_output(USDHC2_PWR_GPIO, 1);
	usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
	return fsl_esdhc_initialize(bis, &usdhc_cfg[1]);
#else
	int i, ret;

	/*
	 * According to the board_mmc_init() the following map is done:
	 * (U-Boot device node)    (Physical Port)
	 * mmc0                    USDHC1
	 * mmc1                    USDHC2
	 */
	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_request(USDHC1_CD_GPIO, "usdhc1 cd");
			gpio_direction_input(USDHC1_CD_GPIO);
			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);

			gpio_direction_output(USDHC1_PWR_GPIO, 0);
			udelay(500);
			gpio_direction_output(USDHC1_PWR_GPIO, 1);
			break;
		case 1:
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
			imx_iomux_v3_setup_multiple_pads(
				usdhc2_emmc_pads, ARRAY_SIZE(usdhc2_emmc_pads));
#else
			imx_iomux_v3_setup_multiple_pads(
				usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
#endif
			gpio_request(USDHC2_PWR_GPIO, "usdhc2 pwr");
			gpio_direction_output(USDHC2_PWR_GPIO, 0);
			udelay(500);
			gpio_direction_output(USDHC2_PWR_GPIO, 1);
			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
			break;
		default:
			printf("Warning: you configured more USDHC controllers (%d) than supported by the board\n", i + 1);
			return -EINVAL;
			}

			ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
			if (ret) {
				printf("Warning: failed to initialize mmc dev %d\n", i);
			}
	}
#endif
	return 0;
}
#endif

#ifdef CONFIG_USB_EHCI_MX6
#define USB_OTHERREGS_OFFSET	0x800
#define UCTRL_PWR_POL		(1 << 9)

static iomux_v3_cfg_t const usb_otg_pads[] = {
	MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL),
};

/* At default the 3v3 enables the MIC2026 for VBUS power */
static void setup_usb(void)
{
	imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
					 ARRAY_SIZE(usb_otg_pads));
}

int board_usb_phy_mode(int port)
{
	if (port == 1)
		return USB_INIT_HOST;
	else
		return usb_phy_mode(port);
}

int board_ehci_hcd_init(int port)
{
	u32 *usbnc_usb_ctrl;

	if (port > 1)
		return -EINVAL;

	usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
				 port * 4);

	/* Set Power polarity */
	setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);

	return 0;
}
#endif

#ifdef CONFIG_NAND_MXS
static iomux_v3_cfg_t const nand_pads[] = {
	MX6_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_CE1_B__RAWNAND_CE1_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_WP_B__RAWNAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_READY_B__RAWNAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
	MX6_PAD_NAND_DQS__RAWNAND_DQS | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
};

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(nand_pads, ARRAY_SIZE(nand_pads));

	setup_gpmi_io_clk((3 << MXC_CCM_CSCDR1_BCH_PODF_OFFSET) |
			  (3 << MXC_CCM_CSCDR1_GPMI_PODF_OFFSET));

	/* enable apbh clock gating */
	setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
}
#endif

#ifdef CONFIG_FEC_MXC
/*
 * pin conflicts for fec1 and fec2, GPIO1_IO06 and GPIO1_IO07 can only
 * be used for ENET1 or ENET2, cannot be used for both.
 */
static iomux_v3_cfg_t const fec1_pads[] = {
	MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
	MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
	MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
};

static iomux_v3_cfg_t const fec2_pads[] = {
	MX6_PAD_GPIO1_IO06__ENET2_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
	MX6_PAD_GPIO1_IO07__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),

	MX6_PAD_ENET2_TX_DATA0__ENET2_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_ENET2_TX_DATA1__ENET2_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
	MX6_PAD_ENET2_TX_EN__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),

	MX6_PAD_ENET2_RX_DATA0__ENET2_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_ENET2_RX_DATA1__ENET2_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_ENET2_RX_EN__ENET2_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX6_PAD_ENET2_RX_ER__ENET2_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
};

static void setup_iomux_fec(int fec_id)
{
	if (fec_id == 0)
		imx_iomux_v3_setup_multiple_pads(fec1_pads,
						 ARRAY_SIZE(fec1_pads));
	else
		imx_iomux_v3_setup_multiple_pads(fec2_pads,
						 ARRAY_SIZE(fec2_pads));
}

int board_eth_init(bd_t *bis)
{
	setup_iomux_fec(CONFIG_FEC_ENET_DEV);

	return fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV,
				       CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
}

static int setup_fec(int fec_id)
{
	struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
	int ret;

	if (fec_id == 0) {
		if (check_module_fused(MX6_MODULE_ENET1))
			return -1;

		/*
		 * Use 50M anatop loopback REF_CLK1 for ENET1,
		 * clear gpr1[13], set gpr1[17].
		 */
		clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
				IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
	} else {
		if (check_module_fused(MX6_MODULE_ENET2))
			return -1;

		/*
		 * Use 50M anatop loopback REF_CLK2 for ENET2,
		 * clear gpr1[14], set gpr1[18].
		 */
		clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
				IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
	}

	ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ);
	if (ret)
		return ret;

	enable_enet_clk(1);

	return 0;
}

int board_phy_config(struct phy_device *phydev)
{
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);

	if (phydev->drv->config)
		phydev->drv->config(phydev);

	return 0;
}
#endif

#ifdef CONFIG_VIDEO_MXS
static iomux_v3_cfg_t const lcd_pads[] = {
	MX6_PAD_LCD_CLK__LCDIF_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_ENABLE__LCDIF_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_HSYNC__LCDIF_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_VSYNC__LCDIF_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA00__LCDIF_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA01__LCDIF_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA02__LCDIF_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA03__LCDIF_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA04__LCDIF_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA05__LCDIF_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA06__LCDIF_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA07__LCDIF_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA08__LCDIF_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA09__LCDIF_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA10__LCDIF_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA11__LCDIF_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA12__LCDIF_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA13__LCDIF_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA14__LCDIF_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA15__LCDIF_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA16__LCDIF_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA17__LCDIF_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA18__LCDIF_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA19__LCDIF_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA20__LCDIF_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA21__LCDIF_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA22__LCDIF_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
	MX6_PAD_LCD_DATA23__LCDIF_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),

	/* LCD_RST */
	MX6_PAD_SNVS_TAMPER9__GPIO5_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),

	/* Use GPIO for Brightness adjustment, duty cycle = period. */
	MX6_PAD_GPIO1_IO08__GPIO1_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
};

void do_enable_parallel_lcd(struct display_info_t const *dev)
{
	enable_lcdif_clock(dev->bus, 1);

	imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));

	/* Reset the LCD */
	gpio_request(IMX_GPIO_NR(5, 9), "lcd reset");
	gpio_direction_output(IMX_GPIO_NR(5, 9) , 0);
	udelay(500);
	gpio_direction_output(IMX_GPIO_NR(5, 9) , 1);

	/* Set Brightness to high */
	gpio_request(IMX_GPIO_NR(1, 8), "backlight");
	gpio_direction_output(IMX_GPIO_NR(1, 8) , 1);
}

struct display_info_t const displays[] = {{
	.bus = MX6UL_LCDIF1_BASE_ADDR,
	.addr = 0,
	.pixfmt = 24,
	.detect = NULL,
	.enable	= do_enable_parallel_lcd,
	.mode	= {
		.name			= "TFT43AB",
		.xres           = 480,
		.yres           = 272,
		.pixclock       = 108695,
		.left_margin    = 8,
		.right_margin   = 4,
		.upper_margin   = 2,
		.lower_margin   = 4,
		.hsync_len      = 41,
		.vsync_len      = 10,
		.sync           = 0,
		.vmode          = FB_VMODE_NONINTERLACED
} } };
size_t display_count = ARRAY_SIZE(displays);
#endif

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;

#ifndef CONFIG_DM_74X164
	imx_iomux_v3_setup_multiple_pads(iox_pads, ARRAY_SIZE(iox_pads));

	iox74lv_init();
#endif

#ifdef CONFIG_SYS_I2C
	setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
#endif

#ifdef	CONFIG_FEC_MXC
	setup_fec(CONFIG_FEC_ENET_DEV);
#endif

#ifdef CONFIG_USB_EHCI_MX6
	setup_usb();
#endif

#ifdef CONFIG_FSL_QSPI
	board_qspi_init();
#endif

#ifdef CONFIG_NAND_MXS
	setup_gpmi_nand();
#endif

	return 0;
}

#ifdef CONFIG_CMD_BMODE
static const struct boot_mode board_boot_modes[] = {
	/* 4 bit bus width */
	{"sd1", MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)},
	{"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
	{"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
	{NULL,	 0},
};
#endif

int board_late_init(void)
{
#ifdef CONFIG_CMD_BMODE
	add_board_boot_modes(board_boot_modes);
#endif

#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
	setenv("board_name", "EVK");

	if (is_mx6ul_9x9_evk())
		setenv("board_rev", "9X9");
	else
		setenv("board_rev", "14X14");
#endif

#ifdef CONFIG_ENV_IS_IN_MMC
	board_late_mmc_env_init();
#endif

	set_wdog_reset((struct wdog_regs *)WDOG1_BASE_ADDR);

	return 0;
}

int checkboard(void)
{
	if (is_mx6ul_9x9_evk())
		puts("Board: MX6UL 9x9 EVK\n");
	else
		puts("Board: MX6UL 14x14 EVK\n");

	return 0;
}

#ifdef CONFIG_SPL_BUILD
#include <libfdt.h>
#include <spl.h>
#include <asm/arch/mx6-ddr.h>


static struct mx6ul_iomux_grp_regs mx6_grp_ioregs = {
	.grp_addds = 0x00000030,
	.grp_ddrmode_ctl = 0x00020000,
	.grp_b0ds = 0x00000030,
	.grp_ctlds = 0x00000030,
	.grp_b1ds = 0x00000030,
	.grp_ddrpke = 0x00000000,
	.grp_ddrmode = 0x00020000,
#ifdef CONFIG_TARGET_MX6UL_9X9_EVK
	.grp_ddr_type = 0x00080000,
#else
	.grp_ddr_type = 0x000c0000,
#endif
};

#ifdef CONFIG_TARGET_MX6UL_9X9_EVK
static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
	.dram_dqm0 = 0x00000030,
	.dram_dqm1 = 0x00000030,
	.dram_ras = 0x00000030,
	.dram_cas = 0x00000030,
	.dram_odt0 = 0x00000000,
	.dram_odt1 = 0x00000000,
	.dram_sdba2 = 0x00000000,
	.dram_sdclk_0 = 0x00000030,
	.dram_sdqs0 = 0x00003030,
	.dram_sdqs1 = 0x00003030,
	.dram_reset = 0x00000030,
};

static struct mx6_mmdc_calibration mx6_mmcd_calib = {
	.p0_mpwldectrl0 = 0x00000000,
	.p0_mpdgctrl0 = 0x20000000,
	.p0_mprddlctl = 0x4040484f,
	.p0_mpwrdlctl = 0x40405247,
	.mpzqlp2ctl = 0x1b4700c7,
};

static struct mx6_lpddr2_cfg mem_ddr = {
	.mem_speed = 800,
	.density = 2,
	.width = 16,
	.banks = 4,
	.rowaddr = 14,
	.coladdr = 10,
	.trcd_lp = 1500,
	.trppb_lp = 1500,
	.trpab_lp = 2000,
	.trasmin = 4250,
};

struct mx6_ddr_sysinfo ddr_sysinfo = {
	.dsize = 0,
	.cs_density = 18,
	.ncs = 1,
	.cs1_mirror = 0,
	.walat = 0,
	.ralat = 5,
	.mif3_mode = 3,
	.bi_on = 1,
	.rtt_wr = 0,        /* LPDDR2 does not need rtt_wr rtt_nom */
	.rtt_nom = 0,
	.sde_to_rst = 0,    /* LPDDR2 does not need this field */
	.rst_to_cke = 0x10, /* JEDEC value for LPDDR2: 200us */
	.ddr_type = DDR_TYPE_LPDDR2,
	.refsel = 0,	/* Refresh cycles at 64KHz */
	.refr = 3,	/* 4 refresh commands per refresh cycle */
};

#else
static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
	.dram_dqm0 = 0x00000030,
	.dram_dqm1 = 0x00000030,
	.dram_ras = 0x00000030,
	.dram_cas = 0x00000030,
	.dram_odt0 = 0x00000030,
	.dram_odt1 = 0x00000030,
	.dram_sdba2 = 0x00000000,
	.dram_sdclk_0 = 0x00000030,
	.dram_sdqs0 = 0x00000030,
	.dram_sdqs1 = 0x00000030,
	.dram_reset = 0x00000030,
};

static struct mx6_mmdc_calibration mx6_mmcd_calib = {
	.p0_mpwldectrl0 = 0x00000000,
	.p0_mpdgctrl0 = 0x41570155,
	.p0_mprddlctl = 0x4040474A,
	.p0_mpwrdlctl = 0x40405550,
};

struct mx6_ddr_sysinfo ddr_sysinfo = {
	.dsize = 0,
	.cs_density = 20,
	.ncs = 1,
	.cs1_mirror = 0,
	.rtt_wr = 2,
	.rtt_nom = 1,		/* RTT_Nom = RZQ/2 */
	.walat = 0,		/* 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 = 0,	/* Refresh cycles at 64KHz */
	.refr = 1,	/* 2 refresh commands per refresh cycle */
};

static struct mx6_ddr3_cfg mem_ddr = {
	.mem_speed = 800,
	.density = 4,
	.width = 16,
	.banks = 8,
	.rowaddr = 15,
	.coladdr = 10,
	.pagesz = 2,
	.trcd = 1375,
	.trcmin = 4875,
	.trasmin = 3500,
};
#endif

static void ccgr_init(void)
{
	struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;

	writel(0xFFFFFFFF, &ccm->CCGR0);
	writel(0xFFFFFFFF, &ccm->CCGR1);
	writel(0xFFFFFFFF, &ccm->CCGR2);
	writel(0xFFFFFFFF, &ccm->CCGR3);
	writel(0xFFFFFFFF, &ccm->CCGR4);
	writel(0xFFFFFFFF, &ccm->CCGR5);
	writel(0xFFFFFFFF, &ccm->CCGR6);
	writel(0xFFFFFFFF, &ccm->CCGR7);
}

static void spl_dram_init(void)
{
	mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
	mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr);
}

void board_init_f(ulong dummy)
{
	ccgr_init();

	/* setup AIPS and disable watchdog */
	arch_cpu_init();

	/* iomux and setup of i2c */
	board_early_init_f();

	/* setup GP timer */
	timer_init();

	/* 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