board/esg/ima3-mx53/ima3-mx53.c - platform/external/u-boot - Gitiles

 /*
  * (C) Copyright 2012, Stefano Babic <sbabic@denx.de>
  *
  * (C) Copyright 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.
  */
 #include <common.h>
 #include <asm/io.h>
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/mx5x_pins.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/crm_regs.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/iomux.h>
 #include <asm/errno.h>
 #include <netdev.h>
 #include <mmc.h>
 #include <fsl_esdhc.h>
 #include <asm/gpio.h>

 /* NOR flash configuration */
 #define IMA3_MX53_CS0GCR1	(CSEN | DSZ(2))
 #define IMA3_MX53_CS0GCR2	0
 #define IMA3_MX53_CS0RCR1	(RCSN(2) | OEN(1) | RWSC(15))
 #define IMA3_MX53_CS0RCR2	0
 #define IMA3_MX53_CS0WCR1	(WBED1 | WCSN(2) | WEN(1) | WWSC(15))
 #define IMA3_MX53_CS0WCR2	0

 DECLARE_GLOBAL_DATA_PTR;

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

 	writel(IMA3_MX53_CS0GCR1, &weim_regs->cs0gcr1);
 	writel(IMA3_MX53_CS0GCR2, &weim_regs->cs0gcr2);
 	writel(IMA3_MX53_CS0RCR1, &weim_regs->cs0rcr1);
 	writel(IMA3_MX53_CS0RCR2, &weim_regs->cs0rcr2);
 	writel(IMA3_MX53_CS0WCR1, &weim_regs->cs0wcr1);
 	writel(IMA3_MX53_CS0WCR2, &weim_regs->cs0wcr2);
 	writel(0x0, &weim_regs->wcr);

 	set_chipselect_size(CS0_128);
 }

 int dram_init(void)
 {
 	gd->ram_size = get_ram_size((void *) CONFIG_SYS_SDRAM_BASE,
 			PHYS_SDRAM_1_SIZE);
 	return 0;
 }

 static void setup_iomux_uart(void)
 {
 	/* UART4 RXD */
 	mxc_request_iomux(MX53_PIN_CSI0_D13, IOMUX_CONFIG_ALT2);
 	mxc_iomux_set_pad(MX53_PIN_CSI0_D13,
 		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 		PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE |
 		PAD_CTL_100K_PU | PAD_CTL_ODE_OPENDRAIN_ENABLE);
 	mxc_iomux_set_input(MX53_UART4_IPP_UART_RXD_MUX_SELECT_INPUT, 0x3);

 	/* UART4 TXD */
 	mxc_request_iomux(MX53_PIN_CSI0_D12, IOMUX_CONFIG_ALT2);
 	mxc_iomux_set_pad(MX53_PIN_CSI0_D12,
 		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 		PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE |
 		PAD_CTL_100K_PU | PAD_CTL_ODE_OPENDRAIN_ENABLE);
 }

 static void setup_iomux_fec(void)
 {
 	/*FEC_MDIO*/
 	mxc_request_iomux(MX53_PIN_FEC_MDIO, IOMUX_CONFIG_ALT0);
 	mxc_iomux_set_pad(MX53_PIN_FEC_MDIO,
 		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 		PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_22K_PU |
 		PAD_CTL_ODE_OPENDRAIN_ENABLE);
 	mxc_iomux_set_input(MX53_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, PAD_CTL_DRV_HIGH);

 	/* FEC RXD3 */
 	mxc_request_iomux(MX53_PIN_KEY_COL0, IOMUX_CONFIG_ALT6);
 	mxc_iomux_set_pad(MX53_PIN_KEY_COL0, PAD_CTL_HYS_ENABLE |
 		PAD_CTL_PKE_ENABLE);

 	/* FEC RXD2 */
 	mxc_request_iomux(MX53_PIN_KEY_COL2, IOMUX_CONFIG_ALT6);
 	mxc_iomux_set_pad(MX53_PIN_KEY_COL2, PAD_CTL_HYS_ENABLE |
 		PAD_CTL_PKE_ENABLE);

 	/* FEC RXD1 */
 	mxc_request_iomux(MX53_PIN_FEC_RXD1, IOMUX_CONFIG_ALT0);
 	mxc_iomux_set_pad(MX53_PIN_FEC_RXD1, PAD_CTL_HYS_ENABLE |
 		PAD_CTL_PKE_ENABLE);

 	/* FEC RXD0 */
 	mxc_request_iomux(MX53_PIN_FEC_RXD0, IOMUX_CONFIG_ALT0);
 	mxc_iomux_set_pad(MX53_PIN_FEC_RXD0, PAD_CTL_HYS_ENABLE |
 		PAD_CTL_PKE_ENABLE);

 	/* FEC TXD3 */
 	mxc_request_iomux(MX53_PIN_GPIO_19, IOMUX_CONFIG_ALT6);
 	mxc_iomux_set_pad(MX53_PIN_GPIO_19, PAD_CTL_DRV_HIGH);

 	/* FEC TXD2 */
 	mxc_request_iomux(MX53_PIN_KEY_ROW2, IOMUX_CONFIG_ALT6);
 	mxc_iomux_set_pad(MX53_PIN_KEY_ROW2, PAD_CTL_DRV_HIGH);

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

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

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

 	/* FEC TX_CLK */
 	mxc_request_iomux(MX53_PIN_FEC_REF_CLK, IOMUX_CONFIG_ALT0);
 	mxc_iomux_set_pad(MX53_PIN_FEC_REF_CLK, PAD_CTL_HYS_ENABLE |
 		PAD_CTL_PKE_ENABLE);

 	/* FEC RX_ER */
 	mxc_request_iomux(MX53_PIN_FEC_RX_ER, IOMUX_CONFIG_ALT0);
 	mxc_iomux_set_pad(MX53_PIN_FEC_RX_ER, PAD_CTL_HYS_ENABLE |
 		PAD_CTL_PKE_ENABLE);

 	/* FEC RX_DV */
 	mxc_request_iomux(MX53_PIN_FEC_CRS_DV, IOMUX_CONFIG_ALT0);
 	mxc_iomux_set_pad(MX53_PIN_FEC_CRS_DV, PAD_CTL_HYS_ENABLE |
 		PAD_CTL_PKE_ENABLE);

 	/* FEC CRS */
 	mxc_request_iomux(MX53_PIN_KEY_COL3, IOMUX_CONFIG_ALT6);
 	mxc_iomux_set_pad(MX53_PIN_KEY_COL3, PAD_CTL_HYS_ENABLE |
 		PAD_CTL_PKE_ENABLE);

 	/* FEC COL */
 	mxc_request_iomux(MX53_PIN_KEY_ROW1, IOMUX_CONFIG_ALT6);
 	mxc_iomux_set_pad(MX53_PIN_KEY_ROW1, PAD_CTL_HYS_ENABLE |
 		PAD_CTL_PKE_ENABLE);
 	mxc_iomux_set_input(MX53_FEC_FEC_COL_SELECT_INPUT, 0x0);

 	/* FEC RX_CLK */
 	mxc_request_iomux(MX53_PIN_KEY_COL1, IOMUX_CONFIG_ALT6);
 	mxc_iomux_set_pad(MX53_PIN_KEY_COL1, PAD_CTL_HYS_ENABLE |
 		PAD_CTL_PKE_ENABLE);
 	mxc_iomux_set_input(MX53_FEC_FEC_RX_CLK_SELECT_INPUT, 0x0);
 }

 #ifdef CONFIG_FSL_ESDHC
 struct fsl_esdhc_cfg esdhc_cfg = { MMC_SDHC1_BASE_ADDR };

 int board_mmc_getcd(struct mmc *mmc)
 {
 	int ret;

 	ret = !gpio_get_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_1));

 	return ret;
 }

 int board_mmc_init(bd_t *bis)
 {
 	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_request_iomux(MX53_PIN_GPIO_1, IOMUX_CONFIG_ALT1);
 	mxc_iomux_set_pad(MX53_PIN_GPIO_1,
 		PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
 		PAD_CTL_PUE_KEEPER | PAD_CTL_100K_PU |
 		PAD_CTL_ODE_OPENDRAIN_NONE | PAD_CTL_PKE_ENABLE);
 	gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_GPIO_1));

 	mxc_iomux_set_pad(MX53_PIN_SD1_CMD,
 		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
 		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU);
 	mxc_iomux_set_pad(MX53_PIN_SD1_CLK,
 		PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE |
 		PAD_CTL_47K_PU | PAD_CTL_DRV_HIGH);
 	mxc_iomux_set_pad(MX53_PIN_SD1_DATA0,
 		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
 		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 	mxc_iomux_set_pad(MX53_PIN_SD1_DATA1,
 		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
 		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 	mxc_iomux_set_pad(MX53_PIN_SD1_DATA2,
 		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
 		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 	mxc_iomux_set_pad(MX53_PIN_SD1_DATA3,
 		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
 		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);

 	return fsl_esdhc_initialize(bis, &esdhc_cfg);
 }
 #endif

 static void setup_iomux_spi(void)
 {
 	/* SCLK */
 	mxc_request_iomux(MX53_PIN_CSI0_D8, IOMUX_CONFIG_ALT3);
 	mxc_iomux_set_pad(MX53_PIN_CSI0_D8,
 		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
 		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 	mxc_iomux_set_input(MX53_ECSPI2_IPP_CSPI_CLK_IN_SELECT_INPUT, 0x1);
 	/* MOSI */
 	mxc_request_iomux(MX53_PIN_CSI0_D9, IOMUX_CONFIG_ALT3);
 	mxc_iomux_set_pad(MX53_PIN_CSI0_D9,
 		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
 		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 	mxc_iomux_set_input(MX53_ECSPI2_IPP_IND_MOSI_SELECT_INPUT, 0x1);
 	/* MISO */
 	mxc_request_iomux(MX53_PIN_CSI0_D10, IOMUX_CONFIG_ALT3);
 	mxc_iomux_set_pad(MX53_PIN_CSI0_D10,
 		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
 		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 	mxc_iomux_set_input(MX53_ECSPI2_IPP_IND_MISO_SELECT_INPUT, 0x1);
 	/* SSEL 0 */
 	mxc_request_iomux(MX53_PIN_CSI0_D11, IOMUX_CONFIG_GPIO);
 	mxc_iomux_set_pad(MX53_PIN_CSI0_D11,
 		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
 		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 	gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_CSI0_D11), 1);
 }

 int board_early_init_f(void)
 {
 	/* configure I/O pads */
 	setup_iomux_uart();
 	setup_iomux_fec();

 	weim_nor_settings();

 	/* configure spi */
 	setup_iomux_spi();

 	return 0;
 }

 int board_init(void)
 {
 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;

 	mxc_set_sata_internal_clock();

 	return 0;
 }

 #if defined(CONFIG_RESET_PHY_R)
 #include <miiphy.h>

 void reset_phy(void)
 {
 	unsigned short reg;

 	/* reset the phy */
 	miiphy_reset("FEC", CONFIG_PHY_ADDR);

 	/* set hard link to 100Mbit, full-duplex */
 	miiphy_read("FEC", CONFIG_PHY_ADDR, MII_BMCR, &reg);
 	reg &= ~BMCR_ANENABLE;
 	reg |= (BMCR_SPEED100 | BMCR_FULLDPLX);
 	miiphy_write("FEC", CONFIG_PHY_ADDR, MII_BMCR, reg);

 	miiphy_read("FEC", CONFIG_PHY_ADDR, 0x16, &reg);
 	reg |= (1 << 5);
 	miiphy_write("FEC", CONFIG_PHY_ADDR, 0x16, reg);
 }
 #endif

 int checkboard(void)
 {
 	puts("Board: IMA3_MX53\n");

 	return 0;
 }
	/*
	* (C) Copyright 2012, Stefano Babic <sbabic@denx.de>
	*
	* (C) Copyright 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.
	*/
	#include <common.h>
	#include <asm/io.h>
	#include <asm/arch/imx-regs.h>
	#include <asm/arch/mx5x_pins.h>
	#include <asm/arch/sys_proto.h>
	#include <asm/arch/crm_regs.h>
	#include <asm/arch/clock.h>
	#include <asm/arch/iomux.h>
	#include <asm/errno.h>
	#include <netdev.h>
	#include <mmc.h>
	#include <fsl_esdhc.h>
	#include <asm/gpio.h>

	/* NOR flash configuration */
	#define IMA3_MX53_CS0GCR1 (CSEN \| DSZ(2))
	#define IMA3_MX53_CS0GCR2 0
	#define IMA3_MX53_CS0RCR1 (RCSN(2) \| OEN(1) \| RWSC(15))
	#define IMA3_MX53_CS0RCR2 0
	#define IMA3_MX53_CS0WCR1 (WBED1 \| WCSN(2) \| WEN(1) \| WWSC(15))
	#define IMA3_MX53_CS0WCR2 0

	DECLARE_GLOBAL_DATA_PTR;

	static void weim_nor_settings(void)
	{
	struct weim weim_regs = (struct weim )WEIM_BASE_ADDR;

	writel(IMA3_MX53_CS0GCR1, &weim_regs->cs0gcr1);
	writel(IMA3_MX53_CS0GCR2, &weim_regs->cs0gcr2);
	writel(IMA3_MX53_CS0RCR1, &weim_regs->cs0rcr1);
	writel(IMA3_MX53_CS0RCR2, &weim_regs->cs0rcr2);
	writel(IMA3_MX53_CS0WCR1, &weim_regs->cs0wcr1);
	writel(IMA3_MX53_CS0WCR2, &weim_regs->cs0wcr2);
	writel(0x0, &weim_regs->wcr);

	set_chipselect_size(CS0_128);
	}

	int dram_init(void)
	{
	gd->ram_size = get_ram_size((void *) CONFIG_SYS_SDRAM_BASE,
	PHYS_SDRAM_1_SIZE);
	return 0;
	}

	static void setup_iomux_uart(void)
	{
	/* UART4 RXD */
	mxc_request_iomux(MX53_PIN_CSI0_D13, IOMUX_CONFIG_ALT2);
	mxc_iomux_set_pad(MX53_PIN_CSI0_D13,
	PAD_CTL_HYS_ENABLE \| PAD_CTL_DRV_HIGH \|
	PAD_CTL_PUE_PULL \| PAD_CTL_PKE_ENABLE \| PAD_CTL_HYS_ENABLE \|
	PAD_CTL_100K_PU \| PAD_CTL_ODE_OPENDRAIN_ENABLE);
	mxc_iomux_set_input(MX53_UART4_IPP_UART_RXD_MUX_SELECT_INPUT, 0x3);

	/* UART4 TXD */
	mxc_request_iomux(MX53_PIN_CSI0_D12, IOMUX_CONFIG_ALT2);
	mxc_iomux_set_pad(MX53_PIN_CSI0_D12,
	PAD_CTL_HYS_ENABLE \| PAD_CTL_DRV_HIGH \|
	PAD_CTL_PUE_PULL \| PAD_CTL_PKE_ENABLE \| PAD_CTL_HYS_ENABLE \|
	PAD_CTL_100K_PU \| PAD_CTL_ODE_OPENDRAIN_ENABLE);
	}

	static void setup_iomux_fec(void)
	{
	/FEC_MDIO/
	mxc_request_iomux(MX53_PIN_FEC_MDIO, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_MDIO,
	PAD_CTL_HYS_ENABLE \| PAD_CTL_DRV_HIGH \|
	PAD_CTL_PUE_PULL \| PAD_CTL_PKE_ENABLE \| PAD_CTL_22K_PU \|
	PAD_CTL_ODE_OPENDRAIN_ENABLE);
	mxc_iomux_set_input(MX53_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, PAD_CTL_DRV_HIGH);

	/* FEC RXD3 */
	mxc_request_iomux(MX53_PIN_KEY_COL0, IOMUX_CONFIG_ALT6);
	mxc_iomux_set_pad(MX53_PIN_KEY_COL0, PAD_CTL_HYS_ENABLE \|
	PAD_CTL_PKE_ENABLE);

	/* FEC RXD2 */
	mxc_request_iomux(MX53_PIN_KEY_COL2, IOMUX_CONFIG_ALT6);
	mxc_iomux_set_pad(MX53_PIN_KEY_COL2, PAD_CTL_HYS_ENABLE \|
	PAD_CTL_PKE_ENABLE);

	/* FEC RXD1 */
	mxc_request_iomux(MX53_PIN_FEC_RXD1, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_RXD1, PAD_CTL_HYS_ENABLE \|
	PAD_CTL_PKE_ENABLE);

	/* FEC RXD0 */
	mxc_request_iomux(MX53_PIN_FEC_RXD0, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_RXD0, PAD_CTL_HYS_ENABLE \|
	PAD_CTL_PKE_ENABLE);

	/* FEC TXD3 */
	mxc_request_iomux(MX53_PIN_GPIO_19, IOMUX_CONFIG_ALT6);
	mxc_iomux_set_pad(MX53_PIN_GPIO_19, PAD_CTL_DRV_HIGH);

	/* FEC TXD2 */
	mxc_request_iomux(MX53_PIN_KEY_ROW2, IOMUX_CONFIG_ALT6);
	mxc_iomux_set_pad(MX53_PIN_KEY_ROW2, PAD_CTL_DRV_HIGH);

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

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

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

	/* FEC TX_CLK */
	mxc_request_iomux(MX53_PIN_FEC_REF_CLK, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_REF_CLK, PAD_CTL_HYS_ENABLE \|
	PAD_CTL_PKE_ENABLE);

	/* FEC RX_ER */
	mxc_request_iomux(MX53_PIN_FEC_RX_ER, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_RX_ER, PAD_CTL_HYS_ENABLE \|
	PAD_CTL_PKE_ENABLE);

	/* FEC RX_DV */
	mxc_request_iomux(MX53_PIN_FEC_CRS_DV, IOMUX_CONFIG_ALT0);
	mxc_iomux_set_pad(MX53_PIN_FEC_CRS_DV, PAD_CTL_HYS_ENABLE \|
	PAD_CTL_PKE_ENABLE);

	/* FEC CRS */
	mxc_request_iomux(MX53_PIN_KEY_COL3, IOMUX_CONFIG_ALT6);
	mxc_iomux_set_pad(MX53_PIN_KEY_COL3, PAD_CTL_HYS_ENABLE \|
	PAD_CTL_PKE_ENABLE);

	/* FEC COL */
	mxc_request_iomux(MX53_PIN_KEY_ROW1, IOMUX_CONFIG_ALT6);
	mxc_iomux_set_pad(MX53_PIN_KEY_ROW1, PAD_CTL_HYS_ENABLE \|
	PAD_CTL_PKE_ENABLE);
	mxc_iomux_set_input(MX53_FEC_FEC_COL_SELECT_INPUT, 0x0);

	/* FEC RX_CLK */
	mxc_request_iomux(MX53_PIN_KEY_COL1, IOMUX_CONFIG_ALT6);
	mxc_iomux_set_pad(MX53_PIN_KEY_COL1, PAD_CTL_HYS_ENABLE \|
	PAD_CTL_PKE_ENABLE);
	mxc_iomux_set_input(MX53_FEC_FEC_RX_CLK_SELECT_INPUT, 0x0);
	}

	#ifdef CONFIG_FSL_ESDHC
	struct fsl_esdhc_cfg esdhc_cfg = { MMC_SDHC1_BASE_ADDR };

	int board_mmc_getcd(struct mmc *mmc)
	{
	int ret;

	ret = !gpio_get_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_1));

	return ret;
	}

	int board_mmc_init(bd_t *bis)
	{
	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_request_iomux(MX53_PIN_GPIO_1, IOMUX_CONFIG_ALT1);
	mxc_iomux_set_pad(MX53_PIN_GPIO_1,
	PAD_CTL_DRV_HIGH \| PAD_CTL_HYS_ENABLE \|
	PAD_CTL_PUE_KEEPER \| PAD_CTL_100K_PU \|
	PAD_CTL_ODE_OPENDRAIN_NONE \| PAD_CTL_PKE_ENABLE);
	gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_GPIO_1));

	mxc_iomux_set_pad(MX53_PIN_SD1_CMD,
	PAD_CTL_HYS_ENABLE \| PAD_CTL_DRV_HIGH \| PAD_CTL_PUE_PULL \|
	PAD_CTL_PKE_ENABLE \| PAD_CTL_HYS_ENABLE \| PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX53_PIN_SD1_CLK,
	PAD_CTL_PUE_PULL \| PAD_CTL_PKE_ENABLE \| PAD_CTL_HYS_ENABLE \|
	PAD_CTL_47K_PU \| PAD_CTL_DRV_HIGH);
	mxc_iomux_set_pad(MX53_PIN_SD1_DATA0,
	PAD_CTL_HYS_ENABLE \| PAD_CTL_DRV_HIGH \| PAD_CTL_PUE_PULL \|
	PAD_CTL_PKE_ENABLE \| PAD_CTL_HYS_ENABLE \| PAD_CTL_47K_PU);
	mxc_iomux_set_pad(MX53_PIN_SD1_DATA1,
	PAD_CTL_HYS_ENABLE \| PAD_CTL_DRV_HIGH \| PAD_CTL_PUE_PULL \|
	PAD_CTL_PKE_ENABLE \| PAD_CTL_HYS_ENABLE \| PAD_CTL_47K_PU);
	mxc_iomux_set_pad(MX53_PIN_SD1_DATA2,
	PAD_CTL_HYS_ENABLE \| PAD_CTL_DRV_HIGH \| PAD_CTL_PUE_PULL \|
	PAD_CTL_PKE_ENABLE \| PAD_CTL_HYS_ENABLE \| PAD_CTL_47K_PU);
	mxc_iomux_set_pad(MX53_PIN_SD1_DATA3,
	PAD_CTL_HYS_ENABLE \| PAD_CTL_DRV_HIGH \| PAD_CTL_PUE_PULL \|
	PAD_CTL_PKE_ENABLE \| PAD_CTL_HYS_ENABLE \| PAD_CTL_47K_PU);

	return fsl_esdhc_initialize(bis, &esdhc_cfg);
	}
	#endif

	static void setup_iomux_spi(void)
	{
	/* SCLK */
	mxc_request_iomux(MX53_PIN_CSI0_D8, IOMUX_CONFIG_ALT3);
	mxc_iomux_set_pad(MX53_PIN_CSI0_D8,
	PAD_CTL_HYS_ENABLE \| PAD_CTL_DRV_HIGH \| PAD_CTL_PUE_PULL \|
	PAD_CTL_PKE_ENABLE \| PAD_CTL_HYS_ENABLE \| PAD_CTL_47K_PU);
	mxc_iomux_set_input(MX53_ECSPI2_IPP_CSPI_CLK_IN_SELECT_INPUT, 0x1);
	/* MOSI */
	mxc_request_iomux(MX53_PIN_CSI0_D9, IOMUX_CONFIG_ALT3);
	mxc_iomux_set_pad(MX53_PIN_CSI0_D9,
	PAD_CTL_HYS_ENABLE \| PAD_CTL_DRV_HIGH \| PAD_CTL_PUE_PULL \|
	PAD_CTL_PKE_ENABLE \| PAD_CTL_HYS_ENABLE \| PAD_CTL_47K_PU);
	mxc_iomux_set_input(MX53_ECSPI2_IPP_IND_MOSI_SELECT_INPUT, 0x1);
	/* MISO */
	mxc_request_iomux(MX53_PIN_CSI0_D10, IOMUX_CONFIG_ALT3);
	mxc_iomux_set_pad(MX53_PIN_CSI0_D10,
	PAD_CTL_HYS_ENABLE \| PAD_CTL_DRV_HIGH \| PAD_CTL_PUE_PULL \|
	PAD_CTL_PKE_ENABLE \| PAD_CTL_HYS_ENABLE \| PAD_CTL_47K_PU);
	mxc_iomux_set_input(MX53_ECSPI2_IPP_IND_MISO_SELECT_INPUT, 0x1);
	/* SSEL 0 */
	mxc_request_iomux(MX53_PIN_CSI0_D11, IOMUX_CONFIG_GPIO);
	mxc_iomux_set_pad(MX53_PIN_CSI0_D11,
	PAD_CTL_HYS_ENABLE \| PAD_CTL_DRV_HIGH \| PAD_CTL_PUE_PULL \|
	PAD_CTL_PKE_ENABLE \| PAD_CTL_HYS_ENABLE \| PAD_CTL_47K_PU);
	gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_CSI0_D11), 1);
	}

	int board_early_init_f(void)
	{
	/* configure I/O pads */
	setup_iomux_uart();
	setup_iomux_fec();

	weim_nor_settings();

	/* configure spi */
	setup_iomux_spi();

	return 0;
	}

	int board_init(void)
	{
	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;

	mxc_set_sata_internal_clock();

	return 0;
	}

	#if defined(CONFIG_RESET_PHY_R)
	#include <miiphy.h>

	void reset_phy(void)
	{
	unsigned short reg;

	/* reset the phy */
	miiphy_reset("FEC", CONFIG_PHY_ADDR);

	/* set hard link to 100Mbit, full-duplex */
	miiphy_read("FEC", CONFIG_PHY_ADDR, MII_BMCR, &reg);
	reg &= ~BMCR_ANENABLE;
	reg \|= (BMCR_SPEED100 \| BMCR_FULLDPLX);
	miiphy_write("FEC", CONFIG_PHY_ADDR, MII_BMCR, reg);

	miiphy_read("FEC", CONFIG_PHY_ADDR, 0x16, &reg);
	reg \|= (1 << 5);
	miiphy_write("FEC", CONFIG_PHY_ADDR, 0x16, reg);
	}
	#endif

	int checkboard(void)
	{
	puts("Board: IMA3_MX53\n");

	return 0;
	}