iMX5: EfikaMX: Preliminary board support

Supported:
MMC
IDE
PMIC
SPI flash
LEDs

I can boot the kernel supplied by freescale/genesi with this from MMC card
and/or PATA disk.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>

1 files changed, 689 insertions, 0 deletions

diff --git a/board/efikamx/efikamx.c b/board/efikamx/efikamx.c
new file mode 100644
index 0000000..4efbeaf
--- /dev/null
+++ b/board/efikamx/efikamx.c
@@ -0,0 +1,689 @@
+/*
+ * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * (C) Copyright 2009 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/imx-regs.h>
+#include <asm/arch/mx5x_pins.h>
+#include <asm/arch/iomux.h>
+#include <mxc_gpio.h>
+#include <asm/errno.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/crm_regs.h>
+#include <i2c.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <fsl_pmic.h>
+#include <mc13892.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Compile-time error checking
+ */
+#ifndef	CONFIG_MXC_SPI
+#error "CONFIG_MXC_SPI not set, this is essential for board's operation!"
+#endif
+
+/*
+ * Shared variables / local defines
+ */
+/* LED */
+#define	EFIKAMX_LED_BLUE	0x1
+#define	EFIKAMX_LED_GREEN	0x2
+#define	EFIKAMX_LED_RED		0x4
+
+void efikamx_toggle_led(uint32_t mask);
+
+/* Board revisions */
+#define	EFIKAMX_BOARD_REV_11	0x1
+#define	EFIKAMX_BOARD_REV_12	0x2
+#define	EFIKAMX_BOARD_REV_13	0x3
+#define	EFIKAMX_BOARD_REV_14	0x4
+
+/*
+ * Board identification
+ */
+u32 get_efika_rev(void)
+{
+	u32 rev = 0;
+	/*
+	 * Retrieve board ID:
+	 *      rev1.1: 1,1,1
+	 *      rev1.2: 1,1,0
+	 *      rev1.3: 1,0,1
+	 *      rev1.4: 1,0,0
+	 */
+	mxc_request_iomux(MX51_PIN_NANDF_CS0, IOMUX_CONFIG_GPIO);
+	mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS0),
+				MXC_GPIO_DIRECTION_OUT);
+	/* set to 1 in order to get correct value on board rev1.1 */
+	mxc_gpio_set(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS0), 1);
+
+	mxc_request_iomux(MX51_PIN_NANDF_CS0, IOMUX_CONFIG_GPIO);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_CS0, PAD_CTL_100K_PU);
+	mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS0),
+				MXC_GPIO_DIRECTION_IN);
+	rev |= (!!mxc_gpio_get(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS0))) << 0;
+
+	mxc_request_iomux(MX51_PIN_NANDF_CS1, IOMUX_CONFIG_GPIO);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_CS1, PAD_CTL_100K_PU);
+	mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS1),
+				MXC_GPIO_DIRECTION_IN);
+	rev |= (!!mxc_gpio_get(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS1))) << 1;
+
+	mxc_request_iomux(MX51_PIN_NANDF_RB3, IOMUX_CONFIG_GPIO);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_RB3, PAD_CTL_100K_PU);
+	mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_NANDF_RB3),
+				MXC_GPIO_DIRECTION_IN);
+	rev |= (!!mxc_gpio_get(IOMUX_TO_GPIO(MX51_PIN_NANDF_RB3))) << 2;
+
+	return (~rev & 0x7) + 1;
+}
+
+u32 get_board_rev(void)
+{
+	return get_cpu_rev() | (get_efika_rev() << 8);
+}
+
+/*
+ * DRAM initialization
+ */
+int dram_init(void)
+{
+	/* dram_init must store complete ramsize in gd->ram_size */
+	gd->ram_size = get_ram_size((volatile void *)CONFIG_SYS_SDRAM_BASE,
+				PHYS_SDRAM_1_SIZE);
+	return 0;
+}
+
+/*
+ * UART configuration
+ */
+static void setup_iomux_uart(void)
+{
+	unsigned int pad = PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE |
+			PAD_CTL_PUE_PULL | PAD_CTL_DRV_HIGH;
+
+	mxc_request_iomux(MX51_PIN_UART1_RXD, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX51_PIN_UART1_RXD, pad | PAD_CTL_SRE_FAST);
+	mxc_request_iomux(MX51_PIN_UART1_TXD, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX51_PIN_UART1_TXD, pad | PAD_CTL_SRE_FAST);
+	mxc_request_iomux(MX51_PIN_UART1_RTS, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX51_PIN_UART1_RTS, pad);
+	mxc_request_iomux(MX51_PIN_UART1_CTS, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX51_PIN_UART1_CTS, pad);
+}
+
+/*
+ * SPI configuration
+ */
+#ifdef CONFIG_MXC_SPI
+static void setup_iomux_spi(void)
+{
+	/* 000: Select mux mode: ALT0 mux port: MOSI of instance: ecspi1 */
+	mxc_request_iomux(MX51_PIN_CSPI1_MOSI, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX51_PIN_CSPI1_MOSI,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+
+	/* 000: Select mux mode: ALT0 mux port: MISO of instance: ecspi1. */
+	mxc_request_iomux(MX51_PIN_CSPI1_MISO, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX51_PIN_CSPI1_MISO,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+
+	/* Configure SS0 as a GPIO */
+	mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_GPIO);
+	mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_CSPI1_SS0),
+				MXC_GPIO_DIRECTION_OUT);
+	mxc_gpio_set(IOMUX_TO_GPIO(MX51_PIN_CSPI1_SS0), 0);
+
+	/* Configure SS1 as a GPIO */
+	mxc_request_iomux(MX51_PIN_CSPI1_SS1, IOMUX_CONFIG_GPIO);
+	mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_CSPI1_SS1),
+				MXC_GPIO_DIRECTION_OUT);
+	mxc_gpio_set(IOMUX_TO_GPIO(MX51_PIN_CSPI1_SS1), 1);
+
+	/* 000: Select mux mode: ALT0 mux port: SS2 of instance: ecspi1. */
+	mxc_request_iomux(MX51_PIN_CSPI1_RDY, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX51_PIN_CSPI1_RDY,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
+
+	/* 000: Select mux mode: ALT0 mux port: SCLK of instance: ecspi1. */
+	mxc_request_iomux(MX51_PIN_CSPI1_SCLK, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX51_PIN_CSPI1_SCLK,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+}
+#else
+static inline void setup_iomux_spi(void) { }
+#endif
+
+/*
+ * PMIC configuration
+ */
+#ifdef CONFIG_MXC_SPI
+static void power_init(void)
+{
+	unsigned int val;
+	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
+
+	/* Write needed to Power Gate 2 register */
+	val = pmic_reg_read(REG_POWER_MISC);
+	val &= ~PWGT2SPIEN;
+	pmic_reg_write(REG_POWER_MISC, val);
+
+	/* Externally powered */
+	val = pmic_reg_read(REG_CHARGE);
+	val |= ICHRG0 | ICHRG1 | ICHRG2 | ICHRG3 | CHGAUTOB;
+	pmic_reg_write(REG_CHARGE, val);
+
+	/* power up the system first */
+	pmic_reg_write(REG_POWER_MISC, PWUP);
+
+	/* Set core voltage to 1.1V */
+	val = pmic_reg_read(REG_SW_0);
+	val = (val & ~SWx_VOLT_MASK) | SWx_1_100V;
+	pmic_reg_write(REG_SW_0, val);
+
+	/* Setup VCC (SW2) to 1.25 */
+	val = pmic_reg_read(REG_SW_1);
+	val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
+	pmic_reg_write(REG_SW_1, val);
+
+	/* Setup 1V2_DIG1 (SW3) to 1.25 */
+	val = pmic_reg_read(REG_SW_2);
+	val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
+	pmic_reg_write(REG_SW_2, val);
+	udelay(50);
+
+	/* Raise the core frequency to 800MHz */
+	writel(0x0, &mxc_ccm->cacrr);
+
+	/* Set switchers in Auto in NORMAL mode & STANDBY mode */
+	/* Setup the switcher mode for SW1 & SW2*/
+	val = pmic_reg_read(REG_SW_4);
+	val = (val & ~((SWMODE_MASK << SWMODE1_SHIFT) |
+		(SWMODE_MASK << SWMODE2_SHIFT)));
+	val |= (SWMODE_AUTO_AUTO << SWMODE1_SHIFT) |
+		(SWMODE_AUTO_AUTO << SWMODE2_SHIFT);
+	pmic_reg_write(REG_SW_4, val);
+
+	/* Setup the switcher mode for SW3 & SW4 */
+	val = pmic_reg_read(REG_SW_5);
+	val = (val & ~((SWMODE_MASK << SWMODE3_SHIFT) |
+		(SWMODE_MASK << SWMODE4_SHIFT)));
+	val |= (SWMODE_AUTO_AUTO << SWMODE3_SHIFT) |
+		(SWMODE_AUTO_AUTO << SWMODE4_SHIFT);
+	pmic_reg_write(REG_SW_5, val);
+
+	/* Set VDIG to 1.65V, VGEN3 to 1.8V, VCAM to 2.6V */
+	val = pmic_reg_read(REG_SETTING_0);
+	val &= ~(VCAM_MASK | VGEN3_MASK | VDIG_MASK);
+	val |= VDIG_1_65 | VGEN3_1_8 | VCAM_2_6;
+	pmic_reg_write(REG_SETTING_0, val);
+
+	/* Set VVIDEO to 2.775V, VAUDIO to 3V, VSD to 3.15V */
+	val = pmic_reg_read(REG_SETTING_1);
+	val &= ~(VVIDEO_MASK | VSD_MASK | VAUDIO_MASK);
+	val |= VSD_3_15 | VAUDIO_3_0 | VVIDEO_2_775;
+	pmic_reg_write(REG_SETTING_1, val);
+
+	/* Configure VGEN3 and VCAM regulators to use external PNP */
+	val = VGEN3CONFIG | VCAMCONFIG;
+	pmic_reg_write(REG_MODE_1, val);
+	udelay(200);
+
+	/* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */
+	val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG |
+		VVIDEOEN | VAUDIOEN  | VSDEN;
+	pmic_reg_write(REG_MODE_1, val);
+
+	val = pmic_reg_read(REG_POWER_CTL2);
+	val |= WDIRESET;
+	pmic_reg_write(REG_POWER_CTL2, val);
+
+	udelay(2500);
+}
+#else
+static inline void power_init(void) { }
+#endif
+
+/*
+ * MMC configuration
+ */
+#ifdef CONFIG_FSL_ESDHC
+struct fsl_esdhc_cfg esdhc_cfg[2] = {
+	{MMC_SDHC1_BASE_ADDR, 1},
+	{MMC_SDHC2_BASE_ADDR, 1},
+};
+
+int board_mmc_getcd(u8 *absent, struct mmc *mmc)
+{
+	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+
+	if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
+		*absent = mxc_gpio_get(IOMUX_TO_GPIO(MX51_PIN_GPIO1_0));
+	else
+		*absent = mxc_gpio_get(IOMUX_TO_GPIO(MX51_PIN_GPIO1_8));
+
+	return 0;
+}
+int board_mmc_init(bd_t *bis)
+{
+	int ret;
+
+	/* SDHC1 is used on all revisions, setup control pins first */
+	mxc_request_iomux(MX51_PIN_GPIO1_0,
+		IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+	mxc_iomux_set_pad(MX51_PIN_GPIO1_0,
+		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 | PAD_CTL_SRE_FAST);
+	mxc_request_iomux(MX51_PIN_GPIO1_1,
+		IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+	mxc_iomux_set_pad(MX51_PIN_GPIO1_1,
+		PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
+		PAD_CTL_100K_PU | PAD_CTL_ODE_OPENDRAIN_NONE |
+		PAD_CTL_SRE_FAST);
+
+	mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_GPIO1_0),
+				MXC_GPIO_DIRECTION_IN);
+	mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_GPIO1_1),
+				MXC_GPIO_DIRECTION_IN);
+
+	/* Internal SDHC1 IOMUX + SDHC2 IOMUX on old boards */
+	if (get_efika_rev() < EFIKAMX_BOARD_REV_12) {
+		/* SDHC1 IOMUX */
+		mxc_request_iomux(MX51_PIN_SD1_CMD,
+			IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+		mxc_iomux_set_pad(MX51_PIN_SD1_CMD,
+			PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
+			PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD1_CLK,
+			IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+		mxc_iomux_set_pad(MX51_PIN_SD1_CLK,
+			PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
+			PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD1_DATA0, IOMUX_CONFIG_ALT0);
+		mxc_iomux_set_pad(MX51_PIN_SD1_DATA0,
+			PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
+			PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD1_DATA1, IOMUX_CONFIG_ALT0);
+		mxc_iomux_set_pad(MX51_PIN_SD1_DATA1,
+			PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
+			PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD1_DATA2, IOMUX_CONFIG_ALT0);
+		mxc_iomux_set_pad(MX51_PIN_SD1_DATA2,
+			PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
+			PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD1_DATA3, IOMUX_CONFIG_ALT0);
+		mxc_iomux_set_pad(MX51_PIN_SD1_DATA3,
+			PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
+			PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
+
+		/* SDHC2 IOMUX */
+		mxc_request_iomux(MX51_PIN_SD2_CMD,
+			IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+		mxc_iomux_set_pad(MX51_PIN_SD2_CMD,
+			PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD2_CLK,
+			IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+		mxc_iomux_set_pad(MX51_PIN_SD2_CLK,
+			PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD2_DATA0, IOMUX_CONFIG_ALT0);
+		mxc_iomux_set_pad(MX51_PIN_SD2_DATA0,
+			PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD2_DATA1, IOMUX_CONFIG_ALT0);
+		mxc_iomux_set_pad(MX51_PIN_SD2_DATA1,
+			PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD2_DATA2, IOMUX_CONFIG_ALT0);
+		mxc_iomux_set_pad(MX51_PIN_SD2_DATA2,
+			PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD2_DATA3, IOMUX_CONFIG_ALT0);
+		mxc_iomux_set_pad(MX51_PIN_SD2_DATA3,
+			PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+		/* SDHC2 Control lines IOMUX */
+		mxc_request_iomux(MX51_PIN_GPIO1_7,
+			IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+		mxc_iomux_set_pad(MX51_PIN_GPIO1_7,
+			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 | PAD_CTL_SRE_FAST);
+		mxc_request_iomux(MX51_PIN_GPIO1_8,
+			IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+		mxc_iomux_set_pad(MX51_PIN_GPIO1_8,
+			PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
+			PAD_CTL_100K_PU | PAD_CTL_ODE_OPENDRAIN_NONE |
+			PAD_CTL_SRE_FAST);
+
+		mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_GPIO1_8),
+					MXC_GPIO_DIRECTION_IN);
+		mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_GPIO1_7),
+					MXC_GPIO_DIRECTION_IN);
+
+		ret = fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
+		if (!ret)
+			ret = fsl_esdhc_initialize(bis, &esdhc_cfg[1]);
+	} else {	/* New boards use only SDHC1 */
+		/* SDHC1 IOMUX */
+		mxc_request_iomux(MX51_PIN_SD1_CMD,
+			IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+		mxc_iomux_set_pad(MX51_PIN_SD1_CMD,
+			PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD1_CLK,
+			IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+		mxc_iomux_set_pad(MX51_PIN_SD1_CLK,
+			PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD1_DATA0, IOMUX_CONFIG_ALT0);
+		mxc_iomux_set_pad(MX51_PIN_SD1_DATA0,
+			PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD1_DATA1, IOMUX_CONFIG_ALT0);
+		mxc_iomux_set_pad(MX51_PIN_SD1_DATA1,
+			PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD1_DATA2, IOMUX_CONFIG_ALT0);
+		mxc_iomux_set_pad(MX51_PIN_SD1_DATA2,
+			PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+		mxc_request_iomux(MX51_PIN_SD1_DATA3, IOMUX_CONFIG_ALT0);
+		mxc_iomux_set_pad(MX51_PIN_SD1_DATA3,
+			PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+		ret = fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
+	}
+	return ret;
+}
+#endif
+
+/*
+ * ATA
+ */
+#ifdef	CONFIG_MX51_PATA
+#define	ATA_PAD_CONFIG	(PAD_CTL_DRV_HIGH | PAD_CTL_DRV_VOT_HIGH)
+void setup_iomux_ata(void)
+{
+	mxc_request_iomux(MX51_PIN_NANDF_ALE, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_ALE, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_CS2, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_CS2, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_CS3, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_CS3, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_CS4, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_CS4, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_CS5, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_CS5, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_CS6, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_CS6, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_RE_B, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_RE_B, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_WE_B, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_WE_B, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_CLE, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_CLE, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_RB0, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_RB0, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_WP_B, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_WP_B, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_GPIO_NAND, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_GPIO_NAND, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_RB1, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_RB1, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D0, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D0, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D1, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D1, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D2, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D2, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D3, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D3, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D4, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D4, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D5, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D5, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D6, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D6, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D7, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D7, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D8, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D8, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D9, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D9, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D10, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D10, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D11, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D11, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D12, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D12, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D13, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D13, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D14, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D14, ATA_PAD_CONFIG);
+	mxc_request_iomux(MX51_PIN_NANDF_D15, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX51_PIN_NANDF_D15, ATA_PAD_CONFIG);
+}
+#else
+static inline void setup_iomux_ata(void) { }
+#endif
+
+/*
+ * LED configuration
+ */
+void setup_iomux_led(void)
+{
+	/* Blue LED */
+	mxc_request_iomux(MX51_PIN_CSI1_D9, IOMUX_CONFIG_ALT3);
+	mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_CSI1_D9),
+				MXC_GPIO_DIRECTION_OUT);
+	/* Green LED */
+	mxc_request_iomux(MX51_PIN_CSI1_VSYNC, IOMUX_CONFIG_ALT3);
+	mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_CSI1_VSYNC),
+				MXC_GPIO_DIRECTION_OUT);
+	/* Red LED */
+	mxc_request_iomux(MX51_PIN_CSI1_HSYNC, IOMUX_CONFIG_ALT3);
+	mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_CSI1_HSYNC),
+				MXC_GPIO_DIRECTION_OUT);
+}
+
+void efikamx_toggle_led(uint32_t mask)
+{
+	mxc_gpio_set(IOMUX_TO_GPIO(MX51_PIN_CSI1_D9),
+			mask & EFIKAMX_LED_BLUE);
+	mxc_gpio_set(IOMUX_TO_GPIO(MX51_PIN_CSI1_VSYNC),
+			mask & EFIKAMX_LED_GREEN);
+	mxc_gpio_set(IOMUX_TO_GPIO(MX51_PIN_CSI1_HSYNC),
+			mask & EFIKAMX_LED_RED);
+}
+
+/*
+ * Board initialization
+ */
+static void init_drive_strength(void)
+{
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_PKEDDR, PAD_CTL_DDR_INPUT_CMOS);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_PKEADDR, PAD_CTL_PKE_ENABLE);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDRAPKS, PAD_CTL_PUE_KEEPER);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDRAPUS, PAD_CTL_100K_PU);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_A1, PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_A0, PAD_CTL_DRV_HIGH);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_A1, PAD_CTL_DRV_HIGH);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_RAS,
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_CAS,
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_PKEDDR, PAD_CTL_PKE_ENABLE);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDRPKS, PAD_CTL_PUE_KEEPER);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_HYSDDR0, PAD_CTL_HYS_NONE);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_HYSDDR1, PAD_CTL_HYS_NONE);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_HYSDDR2, PAD_CTL_HYS_NONE);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_HYSDDR3, PAD_CTL_HYS_NONE);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_B0, PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_B1, PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_B2, PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_B4, PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDRPUS, PAD_CTL_100K_PU);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_INMODE1, PAD_CTL_DDR_INPUT_CMOS);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DRAM_B0, PAD_CTL_DRV_MEDIUM);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DRAM_B1, PAD_CTL_DRV_MEDIUM);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DRAM_B2, PAD_CTL_DRV_MEDIUM);
+	mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DRAM_B4, PAD_CTL_DRV_MEDIUM);
+
+	/* Setting pad options */
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDWE,
+		PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDCKE0,
+		PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDCKE1,
+		PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDCLK,
+		PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDQS0,
+		PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDQS1,
+		PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDQS2,
+		PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDQS3,
+		PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_CS0,
+		PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_CS1,
+		PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_DQM0,
+		PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_DQM1,
+		PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_DQM2,
+		PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+	mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_DQM3,
+		PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+		PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+}
+
+int board_early_init_f(void)
+{
+	init_drive_strength();
+
+	setup_iomux_uart();
+	setup_iomux_spi();
+	setup_iomux_led();
+
+	return 0;
+}
+
+int board_init(void)
+{
+	gd->bd->bi_arch_number = MACH_TYPE_MX51_LANGE51;
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+	return 0;
+}
+
+int board_late_init(void)
+{
+	setup_iomux_spi();
+
+	power_init();
+
+	setup_iomux_led();
+	setup_iomux_ata();
+
+	efikamx_toggle_led(EFIKAMX_LED_BLUE);
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	u32 system_rev = get_cpu_rev();
+	u32 cause;
+	struct src *src_regs = (struct src *)SRC_BASE_ADDR;
+
+	puts("Board: Efika MX ");
+
+	switch (system_rev & 0xff) {
+	case CHIP_REV_3_0:
+		puts("3.0 [");
+		break;
+	case CHIP_REV_2_5:
+		puts("2.5 [");
+		break;
+	case CHIP_REV_2_0:
+		puts("2.0 [");
+		break;
+	case CHIP_REV_1_1:
+		puts("1.1 [");
+		break;
+	case CHIP_REV_1_0:
+	default:
+		puts("1.0 [");
+		break;
+	}
+
+	cause = src_regs->srsr;
+	switch (cause) {
+	case 0x0001:
+		puts("POR");
+		break;
+	case 0x0009:
+		puts("RST");
+		break;
+	case 0x0010:
+	case 0x0011:
+		puts("WDOG");
+		break;
+	default:
+		printf("unknown 0x%x", cause);
+	}
+	puts("]\n");
+
+	return 0;
+}