path: root/board/freescale/mx53_evk/mx53_evk.c

/*
 * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
 *
 * (C) Copyright 2009-2010 Freescale Semiconductor, Inc.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <asm/io.h>
#include <asm/arch/mx53.h>
#include <asm/arch/mx53_pins.h>
#include <asm/arch/iomux.h>
#include <asm/errno.h>
#include <imx_spi.h>

#if CONFIG_I2C_MXC
#include <i2c.h>
#endif

#ifdef CONFIG_CMD_MMC
#include <mmc.h>
#include <fsl_esdhc.h>
#endif

#ifdef CONFIG_ARCH_MMU
#include <asm/mmu.h>
#include <asm/arch/mmu.h>
#endif

#ifdef CONFIG_CMD_CLOCK
#include <asm/clock.h>
#endif

DECLARE_GLOBAL_DATA_PTR;

static u32 system_rev;
static enum boot_device boot_dev;
u32	mx51_io_base_addr;

static inline void setup_boot_device(void)
{
	uint soc_sbmr = readl(SRC_BASE_ADDR + 0x4);
	uint bt_mem_ctl = (soc_sbmr & 0x000000FF) >> 4 ;
	uint bt_mem_type = (soc_sbmr & 0x00000008) >> 3;

	switch (bt_mem_ctl) {
	case 0x0:
		if (bt_mem_type)
			boot_dev = ONE_NAND_BOOT;
		else
			boot_dev = WEIM_NOR_BOOT;
		break;
	case 0x2:
		if (bt_mem_type)
			boot_dev = SATA_BOOT;
		else
			boot_dev = PATA_BOOT;
		break;
	case 0x3:
		if (bt_mem_type)
			boot_dev = SPI_NOR_BOOT;
		else
			boot_dev = I2C_BOOT;
		break;
	case 0x4:
	case 0x5:
		boot_dev = SD_BOOT;
		break;
	case 0x6:
	case 0x7:
		boot_dev = MMC_BOOT;
		break;
	case 0x8 ... 0xf:
		boot_dev = NAND_BOOT;
		break;
	default:
		boot_dev = UNKNOWN_BOOT;
		break;
	}
}

enum boot_device get_boot_device(void)
{
	return boot_dev;
}

u32 get_board_rev(void)
{
	return system_rev;
}

static inline void setup_soc_rev(void)
{
	system_rev = 0x53000 | CHIP_REV_1_0;
}

static inline void setup_board_rev(int rev)
{
	system_rev |= (rev & 0xF) << 8;
}

inline int is_soc_rev(int rev)
{
	return (system_rev & 0xFF) - rev;
}

#ifdef CONFIG_ARCH_MMU
void board_mmu_init(void)
{
	unsigned long ttb_base = PHYS_SDRAM_1 + 0x4000;
	unsigned long i;

	/*
	* Set the TTB register
	*/
	asm volatile ("mcr  p15,0,%0,c2,c0,0" : : "r"(ttb_base) /*:*/);

	/*
	* Set the Domain Access Control Register
	*/
	i = ARM_ACCESS_DACR_DEFAULT;
	asm volatile ("mcr  p15,0,%0,c3,c0,0" : : "r"(i) /*:*/);

	/*
	* First clear all TT entries - ie Set them to Faulting
	*/
	memset((void *)ttb_base, 0, ARM_FIRST_LEVEL_PAGE_TABLE_SIZE);
	/* Actual   Virtual  Size   Attributes          Function */
	/* Base     Base     MB     cached? buffered?  access permissions */
	/* xxx00000 xxx00000 */
	X_ARM_MMU_SECTION(0x000, 0x000, 0x10,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* ROM, 16M */
	X_ARM_MMU_SECTION(0x070, 0x070, 0x010,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* IRAM */
	X_ARM_MMU_SECTION(0x100, 0x100, 0x040,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* SATA */
	X_ARM_MMU_SECTION(0x180, 0x180, 0x100,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* IPUv3M */
	X_ARM_MMU_SECTION(0x200, 0x200, 0x200,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* GPU */
	X_ARM_MMU_SECTION(0x400, 0x400, 0x300,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* periperals */
	X_ARM_MMU_SECTION(0x700, 0x700, 0x400,
			ARM_CACHEABLE, ARM_BUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* CSD0 1G */
	X_ARM_MMU_SECTION(0x700, 0xB00, 0x400,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* CSD0 1G */
	X_ARM_MMU_SECTION(0xF00, 0xF00, 0x100,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* CS1 EIM control*/
	X_ARM_MMU_SECTION(0xF7F, 0xF7F, 0x040,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* NAND Flash buffer */
	X_ARM_MMU_SECTION(0xF80, 0xF80, 0x001,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* iRam */

	/* Workaround for arm errata #709718 */
	/* Setup PRRR so device is always mapped to non-shared */
	asm volatile ("mrc p15, 0, %0, c10, c2, 0" : "=r"(i) : /*:*/);
	i &= (~(3 << 0x10));
	asm volatile ("mcr p15, 0, %0, c10, c2, 0" : : "r"(i) /*:*/);

	/* Enable MMU */
	MMU_ON();
}
#endif

int dram_init(void)
{
	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
	return 0;
}

static void setup_uart(void)
{

	/* UART1 RXD */
	mxc_request_iomux(MX53_PIN_CSI0_D11, IOMUX_CONFIG_ALT2);
	mxc_iomux_set_pad(MX53_PIN_CSI0_D11, 0x1E4);
	mxc_iomux_set_input(MUX_IN_UART1_IPP_UART_RXD_MUX_SELECT_INPUT, 0x1);

	/* UART1 TXD */
	mxc_request_iomux(MX53_PIN_CSI0_D10, IOMUX_CONFIG_ALT2);
	mxc_iomux_set_pad(MX53_PIN_CSI0_D10, 0x1E4);
}

#ifdef CONFIG_I2C_MXC
static void setup_i2c(unsigned int module_base)
{
	switch (module_base) {
	case I2C1_BASE_ADDR:
		/* i2c1 SDA */
		mxc_request_iomux(MX53_PIN_CSI0_D8,
				IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION);
		mxc_iomux_set_input(MUX_IN_I2C1_IPP_SDA_IN_SELECT_INPUT,
				INPUT_CTL_PATH0);
		mxc_iomux_set_pad(MX53_PIN_CSI0_D8, PAD_CTL_SRE_FAST |
				PAD_CTL_ODE_OPENDRAIN_ENABLE |
				PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU |
				PAD_CTL_HYS_ENABLE);
		/* i2c1 SCL */
		mxc_request_iomux(MX53_PIN_CSI0_D9,
				IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION);
		mxc_iomux_set_input(MUX_IN_I2C1_IPP_SCL_IN_SELECT_INPUT,
				INPUT_CTL_PATH0);
		mxc_iomux_set_pad(MX53_PIN_CSI0_D9, PAD_CTL_SRE_FAST |
				PAD_CTL_ODE_OPENDRAIN_ENABLE |
				PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU |
				PAD_CTL_HYS_ENABLE);
		break;
	case I2C2_BASE_ADDR:
		/* i2c2 SDA */
		mxc_request_iomux(MX53_PIN_KEY_ROW3,
				IOMUX_CONFIG_ALT4 | IOMUX_CONFIG_SION);
		mxc_iomux_set_input(MUX_IN_I2C2_IPP_SDA_IN_SELECT_INPUT,
				INPUT_CTL_PATH0);
		mxc_iomux_set_pad(MX53_PIN_KEY_ROW3,
				PAD_CTL_SRE_FAST |
				PAD_CTL_ODE_OPENDRAIN_ENABLE |
				PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU |
				PAD_CTL_HYS_ENABLE);

		/* i2c2 SCL */
		mxc_request_iomux(MX53_PIN_KEY_COL3,
				IOMUX_CONFIG_ALT4 | IOMUX_CONFIG_SION);
		mxc_iomux_set_input(MUX_IN_I2C2_IPP_SCL_IN_SELECT_INPUT,
				INPUT_CTL_PATH0);
		mxc_iomux_set_pad(MX53_PIN_KEY_COL3,
				PAD_CTL_SRE_FAST |
				PAD_CTL_ODE_OPENDRAIN_ENABLE |
				PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU |
				PAD_CTL_HYS_ENABLE);
		break;
	default:
		printf("Invalid I2C base: 0x%x\n", module_base);
		break;
	}
}

void setup_core_voltages(void)
{
	unsigned char buf[4] = { 0 };

	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);

	/* Set core voltage VDDGP to 1.1V */
	buf[0] = 0x45;
	buf[1] = 0x4a;
	buf[2] = 0x54;
	if (i2c_write(0x8, 24, 1, buf, 3))
		return;

	/* Set DDR voltage VDDA to 1.225V */
	buf[0] = 0;
	buf[1] = 0x63;
	buf[2] = 0x1a;
	if (i2c_write(0x8, 26, 1, buf, 3))
		return;

	/* Raise the core frequency to 800MHz */
	writel(0x0, CCM_BASE_ADDR + CLKCTL_CACRR);
}

static int __read_adc_channel(unsigned int chan)
{
	unsigned char buf[4] = { 0 };

	buf[0] = (0xb0 | ((chan & 0x1) << 3) | ((chan >> 1) & 0x7));

	/* LTC2495 need 410ms delay */
	udelay(410000);

	if (i2c_write(0x14, chan, 0, &buf[0], 1)) {
		printf("%s:i2c_write:error\n", __func__);
		return -1;
	}

	/* LTC2495 need 410ms delay*/
	udelay(410000);

	if (i2c_read(0x14, chan, 0, &buf[0], 3)) {
		printf("%s:i2c_read:error\n", __func__);
		return -1;
	}

	return buf[0] << 16 | buf[1] << 8 | buf[2];
}

static int __lookup_board_id(int adc_val)
{
	int id;

	if (adc_val < 0x3FFFC0)
		id = 0;
	else if (adc_val < 0x461863)
		id = 1;
	else if (adc_val < 0x4C30C4)
		id = 2;
	else if (adc_val < 0x524926)
		id = 3;
	else if (adc_val < 0x586187)
		id = 4;
	else if (adc_val < 0x5E79E9)
		id = 5;
	else if (adc_val < 0x64924A)
		id = 6;
	else if (adc_val < 0x6AAAAC)
		id = 7;
	else if (adc_val < 0x70C30D)
		id = 8;
	else if (adc_val < 0x76DB6F)
		id = 9;
	else if (adc_val < 0x7CF3D0)
		id = 10;
	else if (adc_val < 0x830C32)
		id = 11;
	else if (adc_val < 0x892493)
		id = 12;
	else if (adc_val < 0x8F3CF5)
		id = 13;
	else if (adc_val < 0x955556)
		id = 14;
	else if (adc_val < 0x9B6DB8)
		id = 15;
	else if (adc_val < 0xA18619)
		id = 16;
	else if (adc_val < 0xA79E7B)
		id = 17;
	else if (adc_val < 0xADB6DC)
		id = 18;
	else if (adc_val < 0xB3CF3E)
		id = 19;
	else if (adc_val < 0xB9E79F)
		id = 20;
	else if (adc_val < 0xC00000)
		id = 21;
		else
		return -1;

	return id;
}

static int __print_board_info(int id0, int id1)
{
	int ret = 0;

	switch (id0) {
	case 21:
		switch (id1) {
		case 15:
			printf("MX53-EVK with DDR2 1GByte RevB\n");

			break;
		case 18:
			printf("MX53-EVK with DDR2 2GByte RevA1\n");

			break;
		case 19:
			printf("MX53-EVK with DDR2 2GByte RevA2\n");
			break;
		default:
			printf("Unkown board id1:%d\n", id1);
			ret = -1;

			break;
		}

		break;
	case 11:
		switch (id1) {
		case 1:
			printf("MX53 1.5V DDR3 x8 CPU Card, Rev. A\n");

			break;
		case 11:
			printf("MX53 1.8V DDR2 x8 CPU Card, Rev. A\n");

			break;
		default:
			printf("Unkown board id1:%d\n", id1);
			ret = -1;

			break;
		}

		break;
	default:
		printf("Unkown board id0:%d\n", id0);

		break;
	}

	return ret;
}

static int _identify_board_fix_up(int id0, int id1)
{
	int ret = 0;

#ifdef CONFIG_CMD_CLOCK
	/* For EVK RevB, set DDR to 400MHz */
	if (id0 == 21 && id1 == 15) {
		ret = clk_config(CONFIG_REF_CLK_FREQ, 400, PERIPH_CLK);
		if (ret < 0)
			return ret;

		ret = clk_config(CONFIG_REF_CLK_FREQ, 400, DDR_CLK);
		if (ret < 0)
			return ret;
	}
#endif
	return ret;
}

int identify_board_id(void)
{
	int ret = 0;
	int bd_id0, bd_id1;

#define CPU_CHANNEL_ID0 0xc
#define CPU_CHANNEL_ID1 0xd

	ret = bd_id0 = __read_adc_channel(CPU_CHANNEL_ID0);
	if (ret < 0)
		return ret;

	ret = bd_id1 = __read_adc_channel(CPU_CHANNEL_ID1);
	if (ret < 0)
		return ret;

	ret = bd_id0 = __lookup_board_id(bd_id0);
	if (ret < 0)
		return ret;

	ret = bd_id1 = __lookup_board_id(bd_id1);
	if (ret < 0)
		return ret;

	ret = __print_board_info(bd_id0, bd_id1);
	if (ret < 0)
		return ret;

	ret = _identify_board_fix_up(bd_id0, bd_id1);

	return ret;

}
#endif

void spi_io_init(struct imx_spi_dev_t *dev)
{
	switch (dev->base) {
	case CSPI1_BASE_ADDR:
		/* Select mux mode: ALT4 mux port: MOSI of instance: ecspi1 */
		mxc_request_iomux(MX53_PIN_EIM_D18, IOMUX_CONFIG_ALT4);
		mxc_iomux_set_pad(MX53_PIN_EIM_D18, 0x104);
		mxc_iomux_set_input(
				MUX_IN_ECSPI1_IPP_IND_MOSI_SELECT_INPUT, 0x3);

		/* Select mux mode: ALT4 mux port: MISO of instance: ecspi1. */
		mxc_request_iomux(MX53_PIN_EIM_D17, IOMUX_CONFIG_ALT4);
		mxc_iomux_set_pad(MX53_PIN_EIM_D17, 0x104);
		mxc_iomux_set_input(
				MUX_IN_ECSPI1_IPP_IND_MISO_SELECT_INPUT, 0x3);

		if (dev->ss == 0) {
			/* de-select SS1 of instance: ecspi1. */
			mxc_request_iomux(MX53_PIN_EIM_D19, IOMUX_CONFIG_ALT1);
			mxc_iomux_set_pad(MX53_PIN_EIM_D19, 0x1E4);

			/* mux mode: ALT4 mux port: SS0 of instance: ecspi1. */
			mxc_request_iomux(MX53_PIN_EIM_EB2, IOMUX_CONFIG_ALT4);
			mxc_iomux_set_pad(MX53_PIN_EIM_EB2, 0x104);
			mxc_iomux_set_input(
				MUX_IN_ECSPI1_IPP_IND_SS_B_1_SELECT_INPUT, 0x3);
		} else if (dev->ss == 1) {
			/* de-select SS0 of instance: ecspi1. */
			mxc_request_iomux(MX53_PIN_EIM_EB2, IOMUX_CONFIG_ALT1);
			mxc_iomux_set_pad(MX53_PIN_EIM_EB2, 0x1E4);

			/* mux mode: ALT0 mux port: SS1 of instance: ecspi1. */
			mxc_request_iomux(MX53_PIN_EIM_D19, IOMUX_CONFIG_ALT4);
			mxc_iomux_set_pad(MX53_PIN_EIM_D19, 0x104);
			mxc_iomux_set_input(
				MUX_IN_ECSPI1_IPP_IND_SS_B_2_SELECT_INPUT, 0x2);
		}

		/* Select mux mode: ALT0 mux port: SCLK of instance: ecspi1. */
		mxc_request_iomux(MX53_PIN_EIM_D16, IOMUX_CONFIG_ALT4);
		mxc_iomux_set_pad(MX53_PIN_EIM_D16, 0x104);
		mxc_iomux_set_input(
			MUX_IN_CSPI_IPP_CSPI_CLK_IN_SELECT_INPUT, 0x3);

		break;
	case CSPI2_BASE_ADDR:
	default:

		break;
	}
}

static void setup_fec(void)
{
	volatile unsigned int reg;

	/*FEC_MDIO*/
	mxc_request_iomux(MX53_PIN_FEC_MDIO, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_MDIO, 0x1FC);
	mxc_iomux_set_input(MUX_IN_FEC_FEC_MDI_SELECT_INPUT, 0x1);

	/*FEC_MDC*/
	mxc_request_iomux(MX53_PIN_FEC_MDC, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_MDC, 0x004);

	/* FEC RXD1 */
	mxc_request_iomux(MX53_PIN_FEC_RXD1, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_RXD1, 0x180);

	/* FEC RXD0 */
	mxc_request_iomux(MX53_PIN_FEC_RXD0, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_RXD0, 0x180);

	 /* FEC TXD1 */
	mxc_request_iomux(MX53_PIN_FEC_TXD1, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_TXD1, 0x004);

	/* FEC TXD0 */
	mxc_request_iomux(MX53_PIN_FEC_TXD0, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_TXD0, 0x004);

	/* FEC TX_EN */
	mxc_request_iomux(MX53_PIN_FEC_TX_EN, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_TX_EN, 0x004);

	/* FEC TX_CLK */
	mxc_request_iomux(MX53_PIN_FEC_REF_CLK, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_REF_CLK, 0x180);

	/* FEC RX_ER */
	mxc_request_iomux(MX53_PIN_FEC_RX_ER, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_RX_ER, 0x180);

	/* FEC CRS */
	mxc_request_iomux(MX53_PIN_FEC_CRS_DV, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_CRS_DV, 0x180);

	/* phy reset: gpio7-6 */
	mxc_request_iomux(MX53_PIN_ATA_DA_0, IOMUX_CONFIG_ALT1);

	reg = readl(GPIO7_BASE_ADDR + 0x0);
	reg &= ~0x40;
	writel(reg, GPIO7_BASE_ADDR + 0x0);

	reg = readl(GPIO7_BASE_ADDR + 0x4);
	reg |= 0x40;
	writel(reg, GPIO7_BASE_ADDR + 0x4);

	udelay(500);

	reg = readl(GPIO7_BASE_ADDR + 0x0);
	reg |= 0x40;
	writel(reg, GPIO7_BASE_ADDR + 0x0);

}

#ifdef CONFIG_CMD_MMC

struct fsl_esdhc_cfg esdhc_cfg[2] = {
	{MMC_SDHC1_BASE_ADDR, 1, 1},
	{MMC_SDHC3_BASE_ADDR, 1, 1},
};

int esdhc_gpio_init(bd_t *bis)
{
	s32 status = 0;
	u32 index = 0;

	for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM;
		++index) {
		switch (index) {
		case 0:
			mxc_request_iomux(MX53_PIN_SD1_CMD, IOMUX_CONFIG_ALT0);
			mxc_request_iomux(MX53_PIN_SD1_CLK, IOMUX_CONFIG_ALT0);
			mxc_request_iomux(MX53_PIN_SD1_DATA0,
						IOMUX_CONFIG_ALT0);
			mxc_request_iomux(MX53_PIN_SD1_DATA1,
						IOMUX_CONFIG_ALT0);
			mxc_request_iomux(MX53_PIN_SD1_DATA2,
						IOMUX_CONFIG_ALT0);
			mxc_request_iomux(MX53_PIN_SD1_DATA3,
						IOMUX_CONFIG_ALT0);

			mxc_iomux_set_pad(MX53_PIN_SD1_CMD, 0x1E4);
			mxc_iomux_set_pad(MX53_PIN_SD1_CLK, 0xD4);
			mxc_iomux_set_pad(MX53_PIN_SD1_DATA0, 0x1D4);
			mxc_iomux_set_pad(MX53_PIN_SD1_DATA1, 0x1D4);
			mxc_iomux_set_pad(MX53_PIN_SD1_DATA2, 0x1D4);
			mxc_iomux_set_pad(MX53_PIN_SD1_DATA3, 0x1D4);
			break;
		case 1:
			mxc_request_iomux(MX53_PIN_ATA_RESET_B,
						IOMUX_CONFIG_ALT2);
			mxc_request_iomux(MX53_PIN_ATA_IORDY,
						IOMUX_CONFIG_ALT2);
			mxc_request_iomux(MX53_PIN_ATA_DATA8,
						IOMUX_CONFIG_ALT4);
			mxc_request_iomux(MX53_PIN_ATA_DATA9,
						IOMUX_CONFIG_ALT4);
			mxc_request_iomux(MX53_PIN_ATA_DATA10,
						IOMUX_CONFIG_ALT4);
			mxc_request_iomux(MX53_PIN_ATA_DATA11,
						IOMUX_CONFIG_ALT4);
			mxc_request_iomux(MX53_PIN_ATA_DATA0,
						IOMUX_CONFIG_ALT4);
			mxc_request_iomux(MX53_PIN_ATA_DATA1,
						IOMUX_CONFIG_ALT4);
			mxc_request_iomux(MX53_PIN_ATA_DATA2,
						IOMUX_CONFIG_ALT4);
			mxc_request_iomux(MX53_PIN_ATA_DATA3,
						IOMUX_CONFIG_ALT4);

			mxc_iomux_set_pad(MX53_PIN_ATA_RESET_B, 0x1E4);
			mxc_iomux_set_pad(MX53_PIN_ATA_IORDY, 0xD4);
			mxc_iomux_set_pad(MX53_PIN_ATA_DATA8, 0x1D4);
			mxc_iomux_set_pad(MX53_PIN_ATA_DATA9, 0x1D4);
			mxc_iomux_set_pad(MX53_PIN_ATA_DATA10, 0x1D4);
			mxc_iomux_set_pad(MX53_PIN_ATA_DATA11, 0x1D4);
			mxc_iomux_set_pad(MX53_PIN_ATA_DATA0, 0x1D4);
			mxc_iomux_set_pad(MX53_PIN_ATA_DATA1, 0x1D4);
			mxc_iomux_set_pad(MX53_PIN_ATA_DATA2, 0x1D4);
			mxc_iomux_set_pad(MX53_PIN_ATA_DATA3, 0x1D4);

			break;
		default:
			printf("Warning: you configured more ESDHC controller"
				"(%d) as supported by the board(2)\n",
				CONFIG_SYS_FSL_ESDHC_NUM);
			return status;
			break;
		}
		status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
	}

	return status;
}

int board_mmc_init(bd_t *bis)
{
	if (!esdhc_gpio_init(bis))
		return 0;
	else
		return -1;
}

#endif

int board_init(void)
{
	setup_boot_device();
	setup_soc_rev();
#if defined(CONFIG_MX53_ARM2) || defined(CONFIG_MX53_ARM2_DDR3)
	setup_board_rev(1);
#endif
	gd->bd->bi_arch_number = MACH_TYPE_MX53_EVK;	/* board id for linux */
	/* address of boot parameters */
	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;

	setup_uart();
	setup_fec();

#ifdef CONFIG_I2C_MXC
	setup_i2c(CONFIG_SYS_I2C_PORT);
	setup_core_voltages();
#endif

	return 0;
}

int board_late_init(void)
{
	return 0;
}

int checkboard(void)
{
	printf("Board: ");

#ifdef CONFIG_I2C_MXC
	identify_board_id();
#endif
	printf("Boot Reason: [");

	switch (__REG(SRC_BASE_ADDR + 0x8)) {
	case 0x0001:
		printf("POR");
		break;
	case 0x0009:
		printf("RST");
		break;
	case 0x0010:
	case 0x0011:
		printf("WDOG");
		break;
	default:
		printf("unknown");
	}
	printf("]\n");

	printf("Boot Device: ");
	switch (get_boot_device()) {
	case WEIM_NOR_BOOT:
		printf("NOR\n");
		break;
	case ONE_NAND_BOOT:
		printf("ONE NAND\n");
		break;
	case PATA_BOOT:
		printf("PATA\n");
		break;
	case SATA_BOOT:
		printf("SATA\n");
		break;
	case I2C_BOOT:
		printf("I2C\n");
		break;
	case SPI_NOR_BOOT:
		printf("SPI NOR\n");
		break;
	case SD_BOOT:
		printf("SD\n");
		break;
	case MMC_BOOT:
		printf("MMC\n");
		break;
	case NAND_BOOT:
		printf("NAND\n");
		break;
	case UNKNOWN_BOOT:
	default:
		printf("UNKNOWN\n");
		break;
	}
	return 0;
}