path: root/board/freescale/mx6dqscm/mx6dqscm.c

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

#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/mx6-pins.h>
#include <asm/errno.h>
#include <asm/gpio.h>
#include <asm/imx-common/mxc_i2c.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/boot_mode.h>
#include <asm/imx-common/video.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/arch/mxc_hdmi.h>
#include <asm/arch/crm_regs.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
#include <i2c.h>
#include <power/pmic.h>
#include <power/pfuze100_pmic.h>
#include "../common/pfuze.h"
#include <asm/arch/mx6-ddr.h>
#include <usb.h>
#include <micrel.h>
#ifdef CONFIG_CMD_SATA
#include <asm/imx-common/sata.h>
#endif
#ifdef CONFIG_FSL_FASTBOOT
#include <fsl_fastboot.h>
#ifdef CONFIG_ANDROID_RECOVERY
#include <recovery.h>
#endif
#endif /*CONFIG_FSL_FASTBOOT*/

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 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)

#define I2C_PMIC	1

#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)

#ifdef CONFIG_SCMEVB
#define DISP0_PWR_EN	IMX_GPIO_NR(1, 21)
#else
#define DISP0_PWR_EN	IMX_GPIO_NR(1, 18)
#endif

int dram_init(void)
{
#ifdef CONFIG_INTERLEAVING_MODE
	u32 mdmisc = readl(MMDC_P0_BASE_ADDR + 0x18);

	gd->ram_size = imx_ddr_size() << ((mdmisc & 0x00000004) ? 1 : 0);
#else
	gd->ram_size = imx_ddr_size();
#endif

	return 0;
}

#if !defined(CONFIG_INTERLEAVING_MODE) && !defined(CONFIG_SCM_LPDDR2_512MB)
void dram_init_banksize(void)
{
	gd->bd->bi_dram[0].start = PHYS_SDRAM_0;
	gd->bd->bi_dram[0].size = PHYS_SDRAM_0_SIZE;
	gd->bd->bi_dram[1].start = PHYS_SDRAM_1;
	gd->bd->bi_dram[1].size = PHYS_SDRAM_1_SIZE;
}
#endif
#ifdef CONFIG_SCMHVB
iomux_v3_cfg_t const uart_pads[] = {
	MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
	MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
};
#else
static iomux_v3_cfg_t const uart_pads[] = {
	MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
	MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
};
#endif

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),
	/* AR8031 PHY Reset */
	MX6_PAD_ENET_CRS_DV__GPIO1_IO25		| MUX_PAD_CTRL(NO_PAD_CTRL),
};

static void setup_iomux_enet(void)
{
	imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));

	/* Reset AR8031 PHY */
	gpio_direction_output(IMX_GPIO_NR(1, 25) , 0);
	mdelay(10);
	gpio_set_value(IMX_GPIO_NR(1, 25), 1);
	udelay(100);
}

static iomux_v3_cfg_t const usdhc2_pads[] = {
	MX6_PAD_SD2_CLK__SD2_CLK	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD2_CMD__SD2_CMD	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD2_DAT0__SD2_DATA0	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD2_DAT1__SD2_DATA1	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD2_DAT2__SD2_DATA2	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD2_DAT3__SD2_DATA3	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NANDF_D4__SD2_DATA4	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NANDF_D5__SD2_DATA5	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NANDF_D6__SD2_DATA6	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NANDF_D7__SD2_DATA7	| MUX_PAD_CTRL(USDHC_PAD_CTRL),
#ifdef CONFIG_SCMEVB
	MX6_PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
#else
	MX6_PAD_GPIO_4__GPIO1_IO04	| MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
#endif
};

static iomux_v3_cfg_t const usdhc3_pads[] = {
	MX6_PAD_SD3_CLK__SD3_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_CMD__SD3_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
	MX6_PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
};

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),
};

#ifdef CONFIG_MXC_SPI
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_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL),
};

static void setup_spi(void)
{
	imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
}

int board_spi_cs_gpio(unsigned bus, unsigned cs)
{
	return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(2, 30)) : -1;
}
#endif

static iomux_v3_cfg_t const rgb_pads[] = {
	MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DI0_PIN4__IPU1_DI0_PIN04 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23 | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_SD1_DAT3__GPIO1_IO21 | MUX_PAD_CTRL(NO_PAD_CTRL),
};

static void enable_rgb(struct display_info_t const *dev)
{
	imx_iomux_v3_setup_multiple_pads(rgb_pads, ARRAY_SIZE(rgb_pads));
	gpio_direction_output(DISP0_PWR_EN, 1);
}

static struct i2c_pads_info i2c_pad_info1 = {
	.scl = {
		.i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
		.gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
		.gp = IMX_GPIO_NR(4, 12)
	},
	.sda = {
		.i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
		.gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
		.gp = IMX_GPIO_NR(4, 13)
	}
};

iomux_v3_cfg_t const pcie_pads[] = {
	MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), /* POWER */
	MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), /* RESET */
};

static void setup_pcie(void)
{
	imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
}

iomux_v3_cfg_t const di0_pads[] = {
	MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK,	/* DISP0_CLK */
	MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02,		/* DISP0_HSYNC */
	MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03,		/* DISP0_VSYNC */
};

iomux_v3_cfg_t const lvds_pwr_en_pads[] = {
	MX6_PAD_SD1_CMD__GPIO1_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL),
};

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

#ifdef CONFIG_FSL_ESDHC
struct fsl_esdhc_cfg usdhc_cfg[3] = {
	{USDHC2_BASE_ADDR},
	{USDHC3_BASE_ADDR},
	{USDHC4_BASE_ADDR},
};

#ifdef CONFIG_SCMEVB
	#define USDHC2_CD_GPIO IMX_GPIO_NR(2, 2)
#else
	#define USDHC2_CD_GPIO  IMX_GPIO_NR(1, 4)
#endif

#define USDHC3_CD_GPIO	IMX_GPIO_NR(2, 0)

int board_mmc_get_env_dev(int devno)
{
	return devno - 1;
}

int mmc_map_to_kernel_blk(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);
		break;
	case USDHC3_BASE_ADDR:
#ifdef CONFIG_SCMHVB
		ret = 1;
#else
		ret = !gpio_get_value(USDHC3_CD_GPIO);
#endif
		break;
	case USDHC4_BASE_ADDR:
		ret = 1; /* eMMC/uSDHC4 is always present */
		break;
	}

	return ret;
}

int board_mmc_init(bd_t *bis)
{
	int ret;
	int i;

	/*
	 * According to the board_mmc_init() the following map is done:
	 * (U-Boot device node)    (Physical Port)
	 * mmc0                    SD2
	 * mmc1                    SD3
	 * mmc2                    eMMC
	 */
	for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
		switch (i) {
		case 0:
			imx_iomux_v3_setup_multiple_pads(
				usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
			gpio_direction_input(USDHC2_CD_GPIO);
			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
			break;
		case 1:
#ifndef CONFIG_SCMHVB
			imx_iomux_v3_setup_multiple_pads(
				usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
			gpio_direction_input(USDHC3_CD_GPIO);
#endif
			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
			break;
		case 2:
			imx_iomux_v3_setup_multiple_pads(
				usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
			usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
			break;
		default:
			printf("Warning: you configured more ");
			printf("USDHC controllers ");
			printf("(%d) than 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

int mx6_rgmii_rework(struct phy_device *phydev)
{
	/* add necessary delays for RGMII,
	 * there are no board skew delays added
	 * additional rx data delay = 0, rx clk delay = 0.3ns, total = 1.5ns
	 * additional tx data delay = -0.42ns, tx clk delay = 0.96ns,
	 * total = 1.38ns
	 */

	if (ksz9031_phy_extended_write(phydev, 0x2,
				       MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
				       MII_KSZ9031_MOD_DATA_NO_POST_INC,
				       0x0070))
		return -EIO;

	if (ksz9031_phy_extended_write(phydev, 0x2,
				       MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
				       MII_KSZ9031_MOD_DATA_NO_POST_INC,
				       0x7777))
		return -EIO;

	if (ksz9031_phy_extended_write(phydev, 0x2,
				       MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
				       MII_KSZ9031_MOD_DATA_NO_POST_INC,
				       0x0000))
		return -EIO;

	if (ksz9031_phy_extended_write(phydev, 0x2,
				       MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
				       MII_KSZ9031_MOD_DATA_NO_POST_INC,
				       0x03f4))
		return -EIO;

	return 0;
}

int board_phy_config(struct phy_device *phydev)
{
	mx6_rgmii_rework(phydev);

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

	return 0;
}

#if defined(CONFIG_VIDEO_IPUV3)
static void disable_lvds(struct display_info_t const *dev)
{
	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;

	int reg = readl(&iomux->gpr[2]);

	reg &= ~(IOMUXC_GPR2_LVDS_CH0_MODE_MASK |
		 IOMUXC_GPR2_LVDS_CH1_MODE_MASK);

	writel(reg, &iomux->gpr[2]);
#ifndef CONFIG_SCMEVB
	gpio_direction_output(DISP0_PWR_EN, 0);
#endif
}

static void do_enable_hdmi(struct display_info_t const *dev)
{
	disable_lvds(dev);
	imx_enable_hdmi_phy();
}

static void enable_lvds(struct display_info_t const *dev)
{
	struct iomuxc *iomux = (struct iomuxc *)
				IOMUXC_BASE_ADDR;
	u32 reg = readl(&iomux->gpr[2]);

	reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT |
	       IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT;
	writel(reg, &iomux->gpr[2]);
#ifndef CONFIG_SCMEVB
	gpio_direction_output(DISP0_PWR_EN, 1);
#endif
}

struct display_info_t const displays[] = {{
	.bus	= -1,
	.addr	= 0,
	.pixfmt	= IPU_PIX_FMT_RGB666,
	.detect	= NULL,
	.enable	= enable_lvds,
	.mode	= {
		.name           = "Hannstar-XGA",
		.refresh        = 60,
		.xres           = 1024,
		.yres           = 768,
		.pixclock       = 15385,
		.left_margin    = 220,
		.right_margin   = 40,
		.upper_margin   = 21,
		.lower_margin   = 7,
		.hsync_len      = 60,
		.vsync_len      = 10,
		.sync           = FB_SYNC_EXT,
		.vmode          = FB_VMODE_NONINTERLACED
} }, {
	.bus	= -1,
	.addr	= 0,
	.pixfmt	= IPU_PIX_FMT_RGB24,
	.detect	= NULL,
	.enable	= do_enable_hdmi,
	.mode	= {
		.name           = "HDMI",
		.refresh        = 60,
		.xres           = 640,
		.yres           = 480,
		.pixclock       = 39721,
		.left_margin    = 48,
		.right_margin   = 16,
		.upper_margin   = 33,
		.lower_margin   = 10,
		.hsync_len      = 96,
		.vsync_len      = 2,
		.sync           = 0,
		.vmode          = FB_VMODE_NONINTERLACED
} }, {
	.bus	= 0,
	.addr	= 0,
	.pixfmt	= IPU_PIX_FMT_RGB24,
	.detect	= NULL,
	.enable	= enable_rgb,
	.mode	= {
		.name           = "SEIKO-WVGA",
		.refresh        = 60,
		.xres           = 800,
		.yres           = 480,
		.pixclock       = 29850,
		.left_margin    = 89,
		.right_margin   = 164,
		.upper_margin   = 23,
		.lower_margin   = 10,
		.hsync_len      = 10,
		.vsync_len      = 10,
		.sync           = 0,
		.vmode          = FB_VMODE_NONINTERLACED
} } };
size_t display_count = ARRAY_SIZE(displays);

static void setup_display(void)
{
	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
	int reg;

	/* Setup HSYNC, VSYNC, DISP_CLK for debugging purposes */
	imx_iomux_v3_setup_multiple_pads(di0_pads, ARRAY_SIZE(di0_pads));

	enable_ipu_clock();
	imx_setup_hdmi();

	/* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */
	reg = readl(&mxc_ccm->CCGR3);
	reg |=  MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK;
	writel(reg, &mxc_ccm->CCGR3);

	/* set LDB0, LDB1 clk select to 011/011 */
	reg = readl(&mxc_ccm->cs2cdr);
	reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
		 | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
	reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
	      | (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
	writel(reg, &mxc_ccm->cs2cdr);

	reg = readl(&mxc_ccm->cscmr2);
	reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV;
	writel(reg, &mxc_ccm->cscmr2);

	reg = readl(&mxc_ccm->chsccdr);
	reg |= (CHSCCDR_CLK_SEL_LDB_DI0
		<< MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
	reg |= (CHSCCDR_CLK_SEL_LDB_DI0
		<< MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET);
	writel(reg, &mxc_ccm->chsccdr);

	reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
	     | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW
	     | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
	     | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
	     | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
	     | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
	     | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
	     | IOMUXC_GPR2_LVDS_CH0_MODE_DISABLED
	     | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0;
	writel(reg, &iomux->gpr[2]);

	reg = readl(&iomux->gpr[3]);
	reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK
	     | IOMUXC_GPR3_HDMI_MUX_CTL_MASK))
	     | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
	     << IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET);
	writel(reg, &iomux->gpr[3]);
#ifndef CONFIG_SCMEVB
	imx_iomux_v3_setup_multiple_pads(lvds_pwr_en_pads,
					 ARRAY_SIZE(lvds_pwr_en_pads));
#endif
}
#endif /* CONFIG_VIDEO_IPUV3 */

/*
 * Do not overwrite the console
 * Use always serial for U-Boot console
 */
int overwrite_console(void)
{
	return 1;
}

static void setup_fec(void)
{
	return;
}

int board_eth_init(bd_t *bis)
{
	setup_iomux_enet();
	setup_pcie();

	return cpu_eth_init(bis);
}

#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_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
	MX6_PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL),
};

static iomux_v3_cfg_t const usb_hc1_pads[] = {
	MX6_PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
};

static void setup_usb(void)
{
	imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
					 ARRAY_SIZE(usb_otg_pads));

	/*
	 * set daisy chain for otg_pin_id on 6q.
	 * for 6dl, this bit is reserved
	 */
	imx_iomux_set_gpr_register(1, 13, 1, 1);

	imx_iomux_v3_setup_multiple_pads(usb_hc1_pads,
					 ARRAY_SIZE(usb_hc1_pads));
}

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);

	setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);

	return 0;
}

int board_ehci_power(int port, int on)
{
	switch (port) {
	case 0:
		break;
	case 1:
		if (on)
			gpio_direction_output(IMX_GPIO_NR(1, 29), 1);
		else
			gpio_direction_output(IMX_GPIO_NR(1, 29), 0);
		break;
	default:
		printf("MXC USB port %d not yet supported\n", port);
		return -EINVAL;
	}

	return 0;
}
#endif

int board_early_init_f(void)
{
	setup_iomux_uart();
#if defined(CONFIG_VIDEO_IPUV3)
	setup_display();
#endif

	return 0;
}

int board_init(void)
{
	/* address of boot parameters */
	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;

#ifdef CONFIG_MXC_SPI
	setup_spi();
#endif
	setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);

#ifdef CONFIG_USB_EHCI_MX6
	setup_usb();
#endif

#ifdef CONFIG_CMD_SATA
	setup_sata();
#endif

#ifdef CONFIG_FEC_MXC
	setup_fec();
#endif
	return 0;
}

int power_init_board(void)
{
	struct pmic *pfuze;
	unsigned int reg;
	int ret;

	pfuze = pfuze_common_init(I2C_PMIC);
	if (!pfuze)
		return -ENODEV;

	ret = pfuze_mode_init(pfuze, APS_PFM);
	if (ret < 0)
		return ret;

	/* set SW3A to 1.2V for LPDDR2 */
	pmic_reg_read(pfuze, PFUZE100_SW3AVOL, &reg);
	reg &= ~0x3f;
	reg |= 0x20;
	pmic_reg_write(pfuze, PFUZE100_SW3AVOL, reg);

	/* set SW2 to 3.2V */
	pmic_reg_read(pfuze, PFUZE100_SW2VOL, &reg);
	reg &= ~0x7f;
	reg |= 0x72;
	pmic_reg_write(pfuze, PFUZE100_SW2VOL, reg);

	/* set VGEN1 to 1.5V */
	pmic_reg_read(pfuze, PFUZE100_VGEN1VOL, &reg);
	reg &= ~0x0f;
	reg |= 0x0e;
	pmic_reg_write(pfuze, PFUZE100_VGEN1VOL, reg);

	/* set VGEN3 to 2.8V */
	pmic_reg_read(pfuze, PFUZE100_VGEN3VOL, &reg);
	reg &= ~0x0f;
	reg |= 0x0a;
	pmic_reg_write(pfuze, PFUZE100_VGEN3VOL, reg);

	/* set VGEN4 to 2.5V */
	pmic_reg_read(pfuze, PFUZE100_VGEN4VOL, &reg);
	reg &= ~0x0f;
	reg |= 0x07;
	pmic_reg_write(pfuze, PFUZE100_VGEN4VOL, reg);

	/* set VGEN5 to 3.3V */
	pmic_reg_read(pfuze, PFUZE100_VGEN5VOL, &reg);
	reg &= ~0x0f;
	reg |= 0x0f;
	pmic_reg_write(pfuze, PFUZE100_VGEN5VOL, reg);

	/* set VGEN6 to 3.2V */
	pmic_reg_read(pfuze, PFUZE100_VGEN6VOL, &reg);
	reg &= ~0x0f;
	reg |= 0x0e;
	pmic_reg_write(pfuze, PFUZE100_VGEN6VOL, reg);

	/* set SW1AB staby volatage 0.975V*/
	pmic_reg_read(pfuze, PFUZE100_SW1ABSTBY, &reg);
	reg &= ~0x3f;
	reg |= 0x1b;
	pmic_reg_write(pfuze, PFUZE100_SW1ABSTBY, reg);

	/* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
	pmic_reg_read(pfuze, PFUZE100_SW1ABCONF, &reg);
	reg &= ~0xc0;
	reg |= 0x40;
	pmic_reg_write(pfuze, PFUZE100_SW1ABCONF, reg);

	/* set SW1C staby volatage 0.975V*/
	pmic_reg_read(pfuze, PFUZE100_SW1CSTBY, &reg);
	reg &= ~0x3f;
	reg |= 0x1b;
	pmic_reg_write(pfuze, PFUZE100_SW1CSTBY, reg);

	/* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */
	pmic_reg_read(pfuze, PFUZE100_SW1CCONF, &reg);
	reg &= ~0xc0;
	reg |= 0x40;
	pmic_reg_write(pfuze, PFUZE100_SW1CCONF, reg);

	return 0;
}

#ifdef CONFIG_LDO_BYPASS_CHECK
void ldo_mode_set(int ldo_bypass)
{
	unsigned int value;
	int is_400M;
	unsigned char vddarm;
	struct pmic *p = pmic_get("PFUZE100");

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

	/* increase VDDARM/VDDSOC to support 1.2G chip */
	if (check_1_2G()) {
		ldo_bypass = 0;	/* ldo_enable on 1.2G chip */
		printf("1.2G chip, increase VDDARM_IN/VDDSOC_IN\n");
		/* increase VDDARM to 1.425V */
		pmic_reg_read(p, PFUZE100_SW1ABVOL, &value);
		value &= ~0x3f;
		value |= 0x2d;
		pmic_reg_write(p, PFUZE100_SW1ABVOL, value);

		/* increase VDDSOC to 1.425V */
		pmic_reg_read(p, PFUZE100_SW1CVOL, &value);
		value &= ~0x3f;
		value |= 0x2d;
		pmic_reg_write(p, PFUZE100_SW1CVOL, value);
	}
	/* switch to ldo_bypass mode , boot on 800Mhz */
	if (ldo_bypass) {
		prep_anatop_bypass();

		/* decrease VDDARM for 400Mhz DQ:1.1V */
		pmic_reg_read(p, PFUZE100_SW1ABVOL, &value);
		value &= ~0x3f;
		value |= 0x20;

		pmic_reg_write(p, PFUZE100_SW1ABVOL, value);

		/* increase VDDSOC to 1.3V */
		pmic_reg_read(p, PFUZE100_SW1CVOL, &value);
		value &= ~0x3f;
		value |= 0x28;
		pmic_reg_write(p, PFUZE100_SW1CVOL, value);

		/*
		 * MX6Q:
		 * VDDARM:1.15V@800M; VDDSOC:1.175V@800M
		 * VDDARM:0.975V@400M; VDDSOC:1.175V@400M
		 */
		is_400M = set_anatop_bypass(2);

		if (is_400M)
			vddarm = 0x1b;
		else
			vddarm = 0x22;

		pmic_reg_read(p, PFUZE100_SW1ABVOL, &value);
		value &= ~0x3f;
		value |= vddarm;
		pmic_reg_write(p, PFUZE100_SW1ABVOL, value);

		/* decrease VDDSOC to 1.175V */
		pmic_reg_read(p, PFUZE100_SW1CVOL, &value);
		value &= ~0x3f;
		value |= 0x23;
		pmic_reg_write(p, PFUZE100_SW1CVOL, value);

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

#ifdef CONFIG_CMD_BMODE
static const struct boot_mode board_boot_modes[] = {
	/* 4 bit bus width */
	{"sd2",	 MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
	{"sd3",	 MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
	/* 8 bit bus width */
	{"emmc", MAKE_CFGVAL(0x60, 0x58, 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_IS_IN_MMC
	board_late_mmc_env_init();
#endif
	return 0;
}

int checkboard(void)
{
#ifdef CONFIG_SCMHVB
	puts("Board: MX6DQSCM-HVB\n");
#elif CONFIG_SCMEVB
	puts("Board: MX6DQSCM-EVB\n");
#else
	puts("Board: MX6DQSCM-QWKS\n");
#endif
	return 0;
}

#ifdef CONFIG_FSL_FASTBOOT

void board_fastboot_setup(void)
{
	switch (get_boot_device()) {
#if defined(CONFIG_FASTBOOT_STORAGE_SATA)
	case SATA_BOOT:
		if (!getenv("fastboot_dev"))
			setenv("fastboot_dev", "sata");
		if (!getenv("bootcmd"))
			setenv("bootcmd", "boota sata");
		break;
#endif /*CONFIG_FASTBOOT_STORAGE_SATA*/
#if defined(CONFIG_FASTBOOT_STORAGE_MMC)
	case SD2_BOOT:
	case MMC2_BOOT:
		if (!getenv("fastboot_dev"))
			setenv("fastboot_dev", "mmc0");
		if (!getenv("bootcmd"))
			setenv("bootcmd", "boota mmc0");
		break;
	case SD3_BOOT:
	case MMC3_BOOT:
		if (!getenv("fastboot_dev"))
			setenv("fastboot_dev", "mmc1");
		if (!getenv("bootcmd"))
			setenv("bootcmd", "boota mmc1");
		break;
	case MMC4_BOOT:
		if (!getenv("fastboot_dev"))
			setenv("fastboot_dev", "mmc2");
		if (!getenv("bootcmd"))
			setenv("bootcmd", "boota mmc2");
		break;
#endif /*CONFIG_FASTBOOT_STORAGE_MMC*/
	default:
		printf("unsupported boot devices\n");
		break;
	}
}

#ifdef CONFIG_ANDROID_RECOVERY

#define GPIO_VOL_DN_KEY IMX_GPIO_NR(1, 5)
iomux_v3_cfg_t const recovery_key_pads[] = {
	(MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL)),
};

int check_recovery_cmd_file(void)
{
	int button_pressed = 0;
	int recovery_mode = 0;

	recovery_mode = recovery_check_and_clean_flag();
#ifdef CONFIG_EVB_SETTINGS
	/* Check Recovery Combo Button press or not. */
	imx_iomux_v3_setup_multiple_pads(recovery_key_pads,
					 ARRAY_SIZE(recovery_key_pads));

	gpio_direction_input(GPIO_VOL_DN_KEY);

	if (gpio_get_value(GPIO_VOL_DN_KEY) == 0) { /* VOL_DN is low assert */
		button_pressed = 1;
		printf("Recovery key pressed\n");
	}
#endif

	return recovery_mode || button_pressed;
}

void board_recovery_setup(void)
{
	int bootdev = get_boot_device();

	switch (bootdev) {
#if defined(CONFIG_FASTBOOT_STORAGE_SATA)
	case SATA_BOOT:
		if (!getenv("bootcmd_android_recovery"))
			setenv("bootcmd_android_recovery",
			       "boota sata recovery");
		break;
#endif /*CONFIG_FASTBOOT_STORAGE_SATA*/
#if defined(CONFIG_FASTBOOT_STORAGE_MMC)
	case SD2_BOOT:
	case MMC2_BOOT:
		if (!getenv("bootcmd_android_recovery"))
			setenv("bootcmd_android_recovery",
			       "boota mmc0 recovery");
		break;
	case SD3_BOOT:
	case MMC3_BOOT:
		if (!getenv("bootcmd_android_recovery"))
			setenv("bootcmd_android_recovery",
			       "boota mmc1 recovery");
		break;
	case MMC4_BOOT:
		if (!getenv("bootcmd_android_recovery"))
			setenv("bootcmd_android_recovery",
			       "boota mmc2 recovery");
		break;
#endif /*CONFIG_FASTBOOT_STORAGE_MMC*/
	default:
		printf("Unsupported bootup device for recovery: dev: %d\n",
		       bootdev);
		return;
	}

	printf("setup env for recovery..\n");
	setenv("bootcmd", "run bootcmd_android_recovery");
}

#endif /*CONFIG_ANDROID_RECOVERY*/

#endif /*CONFIG_FSL_FASTBOOT*/