board/liebherr/mccmon6/mccmon6.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2016-2017
 * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
 */

#include <common.h>
#include <env.h>
#include <asm/arch/clock.h>
#include <asm/arch/iomux.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mx6-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/mach-imx/spi.h>
#include <asm/mach-imx/boot_mode.h>
#include <asm/io.h>
#include <fsl_esdhc_imx.h>
#include <mmc.h>
#include <netdev.h>
#include <micrel.h>
#include <phy.h>
#include <input.h>
#include <i2c.h>
#include <spl.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 WEIM_NOR_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)

#define USDHC2_CD_GPIO		IMX_GPIO_NR(1, 4)
#define ETH_PHY_RESET		IMX_GPIO_NR(1, 27)
#define ECSPI3_CS0		IMX_GPIO_NR(4, 24)
#define ECSPI3_FLWP		IMX_GPIO_NR(4, 27)
#define NOR_WP			IMX_GPIO_NR(1, 1)
#define DISPLAY_EN		IMX_GPIO_NR(1, 2)

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

	return 0;
}

static iomux_v3_cfg_t const uart1_pads[] = {
	IOMUX_PADS(PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
	IOMUX_PADS(PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
};

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)),
	/* Carrier MicroSD Card Detect */
	IOMUX_PADS(PAD_GPIO_4__GPIO1_IO04  | MUX_PAD_CTRL(NO_PAD_CTRL)),
};

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)),
	IOMUX_PADS(PAD_SD3_RST__SD3_RESET  | MUX_PAD_CTRL(USDHC_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)),
	/* KSZ9031 PHY Reset */
	IOMUX_PADS(PAD_ENET_RXD0__GPIO1_IO27  | MUX_PAD_CTRL(NO_PAD_CTRL)),
};

static void setup_iomux_uart(void)
{
	SETUP_IOMUX_PADS(uart1_pads);
}

static void setup_iomux_enet(void)
{
	SETUP_IOMUX_PADS(enet_pads);

	/* Reset KSZ9031 PHY */
	gpio_direction_output(ETH_PHY_RESET, 0);
	mdelay(10);
	gpio_set_value(ETH_PHY_RESET, 1);
	udelay(100);
}

static struct fsl_esdhc_cfg usdhc_cfg[2] = {
	{USDHC3_BASE_ADDR},
	{USDHC2_BASE_ADDR},
};

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:
		/*
		 * eMMC don't have card detect pin - since it is soldered to the
		 * PCB board
		 */
		ret = 1;
		break;
	}
	return ret;
}

int board_mmc_init(bd_t *bis)
{
	int ret;
	u32 index = 0;

	/*
	 * MMC MAP
	 * (U-Boot device node)    (Physical Port)
	 * mmc0                    Soldered on board eMMC device
	 * mmc1                    MicroSD card
	 */
	for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
		switch (index) {
		case 0:
			SETUP_IOMUX_PADS(usdhc3_pads);
			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
			usdhc_cfg[0].max_bus_width = 8;
			break;
		case 1:
			SETUP_IOMUX_PADS(usdhc2_pads);
			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
			usdhc_cfg[1].max_bus_width = 4;
			gpio_direction_input(USDHC2_CD_GPIO);
			break;
		default:
			printf("Warning: More USDHC controllers (%d) than supported (%d)\n",
			       index + 1, CONFIG_SYS_FSL_USDHC_NUM);
			return -EINVAL;
		}

		ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
		if (ret)
			return ret;
	}

	return 0;
}

static iomux_v3_cfg_t const eimnor_pads[] = {
	IOMUX_PADS(PAD_EIM_D16__EIM_DATA16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D17__EIM_DATA17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D18__EIM_DATA18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D19__EIM_DATA19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D20__EIM_DATA20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D21__EIM_DATA21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D22__EIM_DATA22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D23__EIM_DATA23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D24__EIM_DATA24 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D25__EIM_DATA25 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D26__EIM_DATA26 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D27__EIM_DATA27 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D28__EIM_DATA28 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D29__EIM_DATA29 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D30__EIM_DATA30 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_D31__EIM_DATA31 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA0__EIM_AD00   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA1__EIM_AD01   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA2__EIM_AD02   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA3__EIM_AD03   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA4__EIM_AD04   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA5__EIM_AD05   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA6__EIM_AD06   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA7__EIM_AD07   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA8__EIM_AD08   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA9__EIM_AD09   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA10__EIM_AD10  | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA11__EIM_AD11  | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA12__EIM_AD12  | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA13__EIM_AD13  | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA14__EIM_AD14  | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_DA15__EIM_AD15  | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_A16__EIM_ADDR16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_A17__EIM_ADDR17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_A18__EIM_ADDR18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_A19__EIM_ADDR19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_A20__EIM_ADDR20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_A21__EIM_ADDR21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_A22__EIM_ADDR22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_A23__EIM_ADDR23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_A24__EIM_ADDR24 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_A25__EIM_ADDR25 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_OE__EIM_OE_B	| MUX_PAD_CTRL(NO_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_RW__EIM_RW		| MUX_PAD_CTRL(NO_PAD_CTRL)),
	IOMUX_PADS(PAD_EIM_CS0__EIM_CS0_B	| MUX_PAD_CTRL(NO_PAD_CTRL)),
	IOMUX_PADS(PAD_GPIO_1__GPIO1_IO01	| MUX_PAD_CTRL(NO_PAD_CTRL)),
};

static void eimnor_cs_setup(void)
{
	struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;


	/* NOR configuration */
	writel(0x00620181, &weim_regs->cs0gcr1);
	writel(0x00000001, &weim_regs->cs0gcr2);
	writel(0x0b020000, &weim_regs->cs0rcr1);
	writel(0x0000b000, &weim_regs->cs0rcr2);
	writel(0x0804a240, &weim_regs->cs0wcr1);
	writel(0x00000000, &weim_regs->cs0wcr2);

	writel(0x00000120, &weim_regs->wcr);
	writel(0x00000010, &weim_regs->wiar);
	writel(0x00000000, &weim_regs->ear);

	set_chipselect_size(CS0_128);
}

static void setup_eimnor(void)
{
	SETUP_IOMUX_PADS(eimnor_pads);
	gpio_direction_output(NOR_WP, 1);

	enable_eim_clk(1);
	eimnor_cs_setup();
}

/* mccmon6 board has SPI Flash is connected to SPI3 */
int board_spi_cs_gpio(unsigned bus, unsigned cs)
{
	return (bus == 2 && cs == 0) ? ECSPI3_CS0 : -1;
}

static iomux_v3_cfg_t const ecspi3_pads[] = {
	/* SPI3 */
	IOMUX_PADS(PAD_DISP0_DAT3__GPIO4_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL)),
	IOMUX_PADS(PAD_DISP0_DAT2__ECSPI3_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)),
	IOMUX_PADS(PAD_DISP0_DAT1__ECSPI3_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)),
	IOMUX_PADS(PAD_DISP0_DAT0__ECSPI3_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)),
};

void setup_spi(void)
{
	SETUP_IOMUX_PADS(ecspi3_pads);

	enable_spi_clk(true, 2);

	/* set cs0 to high */
	gpio_direction_output(ECSPI3_CS0, 1);

	/* set flwp to high */
	gpio_direction_output(ECSPI3_FLWP, 1);
}

struct i2c_pads_info mx6q_i2c1_pad_info = {
	.scl = {
		.i2c_mode = MX6Q_PAD_CSI0_DAT9__I2C1_SCL
			| MUX_PAD_CTRL(I2C_PAD_CTRL),
		.gpio_mode = MX6Q_PAD_CSI0_DAT9__GPIO5_IO27
			| MUX_PAD_CTRL(I2C_PAD_CTRL),
		.gp = IMX_GPIO_NR(5, 27)
	},
	.sda = {
		.i2c_mode = MX6Q_PAD_CSI0_DAT8__I2C1_SDA
			| MUX_PAD_CTRL(I2C_PAD_CTRL),
		.gpio_mode = MX6Q_PAD_CSI0_DAT8__GPIO5_IO26
			| MUX_PAD_CTRL(I2C_PAD_CTRL),
		.gp = IMX_GPIO_NR(5, 26)
	}
};

struct i2c_pads_info mx6q_i2c2_pad_info = {
	.scl = {
		.i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL
			| MUX_PAD_CTRL(I2C_PAD_CTRL),
		.gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12
			| MUX_PAD_CTRL(I2C_PAD_CTRL),
		.gp = IMX_GPIO_NR(4, 12)
	},
	.sda = {
		.i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA
			| MUX_PAD_CTRL(I2C_PAD_CTRL),
		.gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13
			| MUX_PAD_CTRL(I2C_PAD_CTRL),
		.gp = IMX_GPIO_NR(4, 13)
	}
};

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;

	gpio_direction_output(DISPLAY_EN, 1);

	setup_eimnor();
	setup_spi();

	setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c1_pad_info);
	setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c2_pad_info);

	return 0;
}

int board_late_init(void)
{
	env_set("board_name", "mccmon6");

	return 0;
}

int checkboard(void)
{
	puts("Board: MCCMON6\n");

	return 0;
}

int board_phy_config(struct phy_device *phydev)
{
	/*
	 * Default setting for GMII Clock Pad Skew Register 0x1EF:
	 * MMD Address 0x2h, Register 0x8h
	 *
	 * GTX_CLK Pad Skew 0xF -> 0.9 nsec skew
	 * RX_CLK Pad Skew 0xF -> 0.9 nsec skew
	 *
	 * Adjustment -> write 0x3FF:
	 * GTX_CLK Pad Skew 0x1F -> 1.8 nsec skew
	 * RX_CLK Pad Skew 0x1F -> 1.8 nsec skew
	 *
	 */
	ksz9031_phy_extended_write(phydev, 0x2,
				   MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
				   MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x3FF);

	ksz9031_phy_extended_write(phydev, 0x02,
				   MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
				   MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x00FF);

	ksz9031_phy_extended_write(phydev, 0x2,
				   MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
				   MII_KSZ9031_MOD_DATA_NO_POST_INC,
				   0x3333);

	ksz9031_phy_extended_write(phydev, 0x2,
				   MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
				   MII_KSZ9031_MOD_DATA_NO_POST_INC,
				   0x2052);

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

	return 0;
}

#ifdef CONFIG_SPL_BOARD_INIT
void spl_board_init(void)
{
	setup_eimnor();

	gpio_direction_output(DISPLAY_EN, 1);
}
#endif /* CONFIG_SPL_BOARD_INIT */

#ifdef CONFIG_SPL_BUILD
void board_boot_order(u32 *spl_boot_list)
{
	switch (spl_boot_device()) {
	case BOOT_DEVICE_MMC2:
	case BOOT_DEVICE_MMC1:
		spl_boot_list[0] = BOOT_DEVICE_MMC2;
		spl_boot_list[1] = BOOT_DEVICE_MMC1;
		break;

	case BOOT_DEVICE_NOR:
		spl_boot_list[0] = BOOT_DEVICE_NOR;
		break;
	}
}
#endif /* CONFIG_SPL_BUILD */

#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
	char s[16];
	int ret;
	/*
	 * We use BOOT_DEVICE_MMC1, but SD card is connected
	 * to MMC2
	 *
	 * Correct "mapping" is delivered in board defined
	 * board_boot_order() function.
	 *
	 * SD card boot is regarded as a "development" one,
	 * hence we _always_ go through the u-boot.
	 *
	 */
	if (spl_boot_device() == BOOT_DEVICE_MMC1)
		return 1;

	/* break into full u-boot on 'c' */
	if (serial_tstc() && serial_getc() == 'c')
		return 1;

	env_init();
	ret = env_get_f("boot_os", s, sizeof(s));
	if ((ret != -1) && (strcmp(s, "no") == 0))
		return 1;

	/*
	 * Check if SWUpdate recovery needs to be started
	 *
	 * recovery_status = NULL (not set - ret == -1) -> normal operation
	 *
	 * recovery_status = progress or
	 * recovery_status = failed   or
	 * recovery_status = <any value> -> start SWUpdate
	 *
	 */
	ret = env_get_f("recovery_status", s, sizeof(s));
	if (ret != -1)
		return 1;

	return 0;
}
#endif /* CONFIG_SPL_OS_BOOT */