board/technexion/pico-imx7d/pico-imx7d.c - filogic/uboot - Gitiles

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2017 NXP Semiconductors
  */

 #include <asm/arch/clock.h>
 #include <asm/arch/crm_regs.h>
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/mx7-pins.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/gpio.h>
 #include <asm/mach-imx/iomux-v3.h>
 #include <asm/mach-imx/mxc_i2c.h>
 #include <asm/io.h>
 #include <common.h>
 #include <i2c.h>
 #include <miiphy.h>
 #include <netdev.h>
 #include <power/pmic.h>
 #include <power/pfuze3000_pmic.h>
 #include "../../freescale/common/pfuze.h"

 DECLARE_GLOBAL_DATA_PTR;

 #define UART_PAD_CTRL  (PAD_CTL_DSE_3P3V_49OHM | \
 	PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS)

 #define ENET_PAD_CTRL  (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM)
 #define ENET_PAD_CTRL_MII  (PAD_CTL_DSE_3P3V_32OHM)

 #define ENET_RX_PAD_CTRL  (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM)

 #define I2C_PAD_CTRL    (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
 	PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM)

 #ifdef CONFIG_SYS_I2C_MXC
 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)

 /* I2C4 for PMIC */
 static struct i2c_pads_info i2c_pad_info4 = {
 	.scl = {
 		.i2c_mode = MX7D_PAD_SAI1_RX_SYNC__I2C4_SCL | PC,
 		.gpio_mode = MX7D_PAD_SAI1_RX_SYNC__GPIO6_IO16 | PC,
 		.gp = IMX_GPIO_NR(6, 16),
 	},
 	.sda = {
 		.i2c_mode = MX7D_PAD_SAI1_RX_BCLK__I2C4_SDA | PC,
 		.gpio_mode = MX7D_PAD_SAI1_RX_BCLK__GPIO6_IO17 | PC,
 		.gp = IMX_GPIO_NR(6, 17),
 	},
 };
 #endif

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

 	/* Subtract the defined OPTEE runtime firmware length */
 #ifdef CONFIG_OPTEE_TZDRAM_SIZE
 		gd->ram_size -= CONFIG_OPTEE_TZDRAM_SIZE;
 #endif

 	return 0;
 }

 #ifdef CONFIG_POWER
 #define I2C_PMIC	3
 int power_init_board(void)
 {
 	struct pmic *p;
 	int ret;
 	unsigned int reg, rev_id;

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

 	p = pmic_get("PFUZE3000");
 	ret = pmic_probe(p);
 	if (ret) {
 		printf("Warning:  Cannot find PMIC PFUZE3000\n");
 		printf("\tPower consumption is not optimized.\n");
 		return 0;
 	}

 	pmic_reg_read(p, PFUZE3000_DEVICEID, &reg);
 	pmic_reg_read(p, 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(p, PFUZE3000_LDOGCTL, &reg);
 	reg |= 0x1;
 	pmic_reg_write(p, PFUZE3000_LDOGCTL, reg);

 	/* SW1A/1B mode set to APS/APS */
 	reg = 0x8;
 	pmic_reg_write(p, PFUZE3000_SW1AMODE, reg);
 	pmic_reg_write(p, PFUZE3000_SW1BMODE, reg);

 	/* SW1A/1B standby voltage set to 1.025V */
 	reg = 0xd;
 	pmic_reg_write(p, PFUZE3000_SW1ASTBY, reg);
 	pmic_reg_write(p, PFUZE3000_SW1BSTBY, reg);

 	/* decrease SW1B normal voltage to 0.975V */
 	pmic_reg_read(p, PFUZE3000_SW1BVOLT, &reg);
 	reg &= ~0x1f;
 	reg |= PFUZE3000_SW1AB_SETP(975);
 	pmic_reg_write(p, PFUZE3000_SW1BVOLT, reg);

 	return 0;
 }
 #endif

 static iomux_v3_cfg_t const wdog_pads[] = {
 	MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
 };

 static iomux_v3_cfg_t const uart5_pads[] = {
 	MX7D_PAD_I2C4_SCL__UART5_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
 	MX7D_PAD_I2C4_SDA__UART5_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
 };

 #ifdef CONFIG_FEC_MXC
 static iomux_v3_cfg_t const fec1_pads[] = {
 	MX7D_PAD_SD2_CD_B__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
 	MX7D_PAD_SD2_WP__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
 	MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
 	MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 	MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 	MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 	MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 	MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
 	MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 	MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 	MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 	MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 	MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 	MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 	MX7D_PAD_SD3_STROBE__GPIO6_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
 	MX7D_PAD_SD3_RESET_B__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
 };

 #define FEC1_RST_GPIO	IMX_GPIO_NR(6, 11)

 static void setup_iomux_fec(void)
 {
 	imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads));
 	gpio_request(FEC1_RST_GPIO, "phy_rst");
 	gpio_direction_output(FEC1_RST_GPIO, 0);
 	udelay(500);
 	gpio_set_value(FEC1_RST_GPIO, 1);
 }

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

 	return fecmxc_initialize_multi(bis, 0,
 		CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
 }

 static int setup_fec(void)
 {
 	struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs
 		= (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;

 	/* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17] */
 	clrsetbits_le32(&iomuxc_gpr_regs->gpr[1],
 			(IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK |
 			IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0);

 	return set_clk_enet(ENET_125MHZ);
 }

 int board_phy_config(struct phy_device *phydev)
 {
 	unsigned short val;

 	/* To enable AR8035 ouput a 125MHz clk from CLK_25M */
 	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
 	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
 	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);

 	val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
 	val &= 0xffe7;
 	val |= 0x18;
 	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);

 	/* introduce tx clock delay */
 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
 	val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
 	val |= 0x0100;
 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);

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

 	return 0;
 }
 #endif

 static void setup_iomux_uart(void)
 {
 	imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads));
 }

 int board_early_init_f(void)
 {
 	setup_iomux_uart();

 #ifdef CONFIG_SYS_I2C_MXC
 	setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info4);
 #endif

 	return 0;
 }

 #ifdef CONFIG_DM_VIDEO
 void setup_lcd(void)
 {
 	gpio_request(IMX_GPIO_NR(1, 11), "lcd_brightness");
 	gpio_request(IMX_GPIO_NR(1, 6), "lcd_enable");
 	/* Set Brightness to high */
 	gpio_direction_output(IMX_GPIO_NR(1, 11) , 1);
 	/* Set LCD enable to high */
 	gpio_direction_output(IMX_GPIO_NR(1, 6) , 1);
 }
 #endif

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

 #ifdef CONFIG_DM_VIDEO

 	setup_lcd();

 #endif
 #ifdef CONFIG_FEC_MXC
 	setup_fec();
 #endif

 	return 0;
 }

 int board_late_init(void)
 {
 	struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;

 	imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));

 	set_wdog_reset(wdog);

 	/*
 	 * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
 	 * since we use PMIC_PWRON to reset the board.
 	 */
 	clrsetbits_le16(&wdog->wcr, 0, 0x10);

 	return 0;
 }

 int checkboard(void)
 {
 	puts("Board: i.MX7D PICOSOM\n");

 	return 0;
 }

 static iomux_v3_cfg_t const usb_otg2_pads[] = {
 	MX7D_PAD_UART3_CTS_B__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
 };

 int board_ehci_hcd_init(int port)
 {
 	switch (port) {
 	case 0:
 		break;
 	case 1:
 		imx_iomux_v3_setup_multiple_pads(usb_otg2_pads,
 						 ARRAY_SIZE(usb_otg2_pads));
 		break;
 	default:
 		return -EINVAL;
 	}
 	return 0;
 }
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* Copyright (C) 2017 NXP Semiconductors
	*/

	#include <asm/arch/clock.h>
	#include <asm/arch/crm_regs.h>
	#include <asm/arch/imx-regs.h>
	#include <asm/arch/mx7-pins.h>
	#include <asm/arch/sys_proto.h>
	#include <asm/gpio.h>
	#include <asm/mach-imx/iomux-v3.h>
	#include <asm/mach-imx/mxc_i2c.h>
	#include <asm/io.h>
	#include <common.h>
	#include <i2c.h>
	#include <miiphy.h>
	#include <netdev.h>
	#include <power/pmic.h>
	#include <power/pfuze3000_pmic.h>
	#include "../../freescale/common/pfuze.h"

	DECLARE_GLOBAL_DATA_PTR;

	#define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM \| \
	PAD_CTL_PUS_PU100KOHM \| PAD_CTL_HYS)

	#define ENET_PAD_CTRL (PAD_CTL_PUS_PU100KOHM \| PAD_CTL_DSE_3P3V_49OHM)
	#define ENET_PAD_CTRL_MII (PAD_CTL_DSE_3P3V_32OHM)

	#define ENET_RX_PAD_CTRL (PAD_CTL_PUS_PU100KOHM \| PAD_CTL_DSE_3P3V_49OHM)

	#define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM \| PAD_CTL_SRE_SLOW \| \
	PAD_CTL_HYS \| PAD_CTL_PUE \| PAD_CTL_PUS_PU100KOHM)

	#ifdef CONFIG_SYS_I2C_MXC
	#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)

	/* I2C4 for PMIC */
	static struct i2c_pads_info i2c_pad_info4 = {
	.scl = {
	.i2c_mode = MX7D_PAD_SAI1_RX_SYNC__I2C4_SCL \| PC,
	.gpio_mode = MX7D_PAD_SAI1_RX_SYNC__GPIO6_IO16 \| PC,
	.gp = IMX_GPIO_NR(6, 16),
	},
	.sda = {
	.i2c_mode = MX7D_PAD_SAI1_RX_BCLK__I2C4_SDA \| PC,
	.gpio_mode = MX7D_PAD_SAI1_RX_BCLK__GPIO6_IO17 \| PC,
	.gp = IMX_GPIO_NR(6, 17),
	},
	};
	#endif

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

	/* Subtract the defined OPTEE runtime firmware length */
	#ifdef CONFIG_OPTEE_TZDRAM_SIZE
	gd->ram_size -= CONFIG_OPTEE_TZDRAM_SIZE;
	#endif

	return 0;
	}

	#ifdef CONFIG_POWER
	#define I2C_PMIC 3
	int power_init_board(void)
	{
	struct pmic *p;
	int ret;
	unsigned int reg, rev_id;

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

	p = pmic_get("PFUZE3000");
	ret = pmic_probe(p);
	if (ret) {
	printf("Warning: Cannot find PMIC PFUZE3000\n");
	printf("\tPower consumption is not optimized.\n");
	return 0;
	}

	pmic_reg_read(p, PFUZE3000_DEVICEID, &reg);
	pmic_reg_read(p, 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(p, PFUZE3000_LDOGCTL, &reg);
	reg \|= 0x1;
	pmic_reg_write(p, PFUZE3000_LDOGCTL, reg);

	/* SW1A/1B mode set to APS/APS */
	reg = 0x8;
	pmic_reg_write(p, PFUZE3000_SW1AMODE, reg);
	pmic_reg_write(p, PFUZE3000_SW1BMODE, reg);

	/* SW1A/1B standby voltage set to 1.025V */
	reg = 0xd;
	pmic_reg_write(p, PFUZE3000_SW1ASTBY, reg);
	pmic_reg_write(p, PFUZE3000_SW1BSTBY, reg);

	/* decrease SW1B normal voltage to 0.975V */
	pmic_reg_read(p, PFUZE3000_SW1BVOLT, &reg);
	reg &= ~0x1f;
	reg \|= PFUZE3000_SW1AB_SETP(975);
	pmic_reg_write(p, PFUZE3000_SW1BVOLT, reg);

	return 0;
	}
	#endif

	static iomux_v3_cfg_t const wdog_pads[] = {
	MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B \| MUX_PAD_CTRL(NO_PAD_CTRL),
	};

	static iomux_v3_cfg_t const uart5_pads[] = {
	MX7D_PAD_I2C4_SCL__UART5_DCE_RX \| MUX_PAD_CTRL(UART_PAD_CTRL),
	MX7D_PAD_I2C4_SDA__UART5_DCE_TX \| MUX_PAD_CTRL(UART_PAD_CTRL),
	};

	#ifdef CONFIG_FEC_MXC
	static iomux_v3_cfg_t const fec1_pads[] = {
	MX7D_PAD_SD2_CD_B__ENET1_MDIO \| MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
	MX7D_PAD_SD2_WP__ENET1_MDC \| MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
	MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC \| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 \| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 \| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 \| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 \| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL \| MUX_PAD_CTRL(ENET_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC \| MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 \| MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 \| MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 \| MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 \| MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL \| MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
	MX7D_PAD_SD3_STROBE__GPIO6_IO10 \| MUX_PAD_CTRL(NO_PAD_CTRL),
	MX7D_PAD_SD3_RESET_B__GPIO6_IO11 \| MUX_PAD_CTRL(NO_PAD_CTRL),
	};

	#define FEC1_RST_GPIO IMX_GPIO_NR(6, 11)

	static void setup_iomux_fec(void)
	{
	imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads));
	gpio_request(FEC1_RST_GPIO, "phy_rst");
	gpio_direction_output(FEC1_RST_GPIO, 0);
	udelay(500);
	gpio_set_value(FEC1_RST_GPIO, 1);
	}

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

	return fecmxc_initialize_multi(bis, 0,
	CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
	}

	static int setup_fec(void)
	{
	struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs
	= (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;

	/* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17] */
	clrsetbits_le32(&iomuxc_gpr_regs->gpr[1],
	(IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK \|
	IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0);

	return set_clk_enet(ENET_125MHZ);
	}

	int board_phy_config(struct phy_device *phydev)
	{
	unsigned short val;

	/* To enable AR8035 ouput a 125MHz clk from CLK_25M */
	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);

	val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
	val &= 0xffe7;
	val \|= 0x18;
	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);

	/* introduce tx clock delay */
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
	val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
	val \|= 0x0100;
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);

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

	return 0;
	}
	#endif

	static void setup_iomux_uart(void)
	{
	imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads));
	}

	int board_early_init_f(void)
	{
	setup_iomux_uart();

	#ifdef CONFIG_SYS_I2C_MXC
	setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info4);
	#endif

	return 0;
	}

	#ifdef CONFIG_DM_VIDEO
	void setup_lcd(void)
	{
	gpio_request(IMX_GPIO_NR(1, 11), "lcd_brightness");
	gpio_request(IMX_GPIO_NR(1, 6), "lcd_enable");
	/* Set Brightness to high */
	gpio_direction_output(IMX_GPIO_NR(1, 11) , 1);
	/* Set LCD enable to high */
	gpio_direction_output(IMX_GPIO_NR(1, 6) , 1);
	}
	#endif

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

	#ifdef CONFIG_DM_VIDEO

	setup_lcd();

	#endif
	#ifdef CONFIG_FEC_MXC
	setup_fec();
	#endif

	return 0;
	}

	int board_late_init(void)
	{
	struct wdog_regs wdog = (struct wdog_regs )WDOG1_BASE_ADDR;

	imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));

	set_wdog_reset(wdog);

	/*
	* Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
	* since we use PMIC_PWRON to reset the board.
	*/
	clrsetbits_le16(&wdog->wcr, 0, 0x10);

	return 0;
	}

	int checkboard(void)
	{
	puts("Board: i.MX7D PICOSOM\n");

	return 0;
	}

	static iomux_v3_cfg_t const usb_otg2_pads[] = {
	MX7D_PAD_UART3_CTS_B__USB_OTG2_PWR \| MUX_PAD_CTRL(NO_PAD_CTRL),
	};

	int board_ehci_hcd_init(int port)
	{
	switch (port) {
	case 0:
	break;
	case 1:
	imx_iomux_v3_setup_multiple_pads(usb_otg2_pads,
	ARRAY_SIZE(usb_otg2_pads));
	break;
	default:
	return -EINVAL;
	}
	return 0;
	}