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path: root/board/freescale/mx51_bbg/mx51_bbg.c
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/*
 * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
 *
 * (C) Copyright 2009-2011 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/mx51.h>
#include <asm/arch/mx51_pins.h>
#include <asm/arch/iomux.h>
#include <asm/errno.h>
#include <i2c.h>
#if defined(CONFIG_VIDEO_MX5)
#include <linux/list.h>
#include <ipu.h>
#include <lcd.h>
#include <linux/fb.h>
#include <linux/mxcfb.h>
#endif
#include "board-imx51.h"
#ifdef CONFIG_IMX_ECSPI
#include <imx_spi.h>
#include <asm/arch/imx_spi_pmic.h>
#endif

#include <asm/errno.h>

#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_GET_FEC_MAC_ADDR_FROM_IIM
#include <asm/imx_iim.h>
#endif

#ifdef CONFIG_ANDROID_RECOVERY
#include "../common/recovery.h"
#include <part.h>
#include <ext2fs.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <ubi_uboot.h>
#include <jffs2/load_kernel.h>
#endif

DECLARE_GLOBAL_DATA_PTR;

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

#ifdef CONFIG_VIDEO_MX5
extern unsigned char fsl_bmp_600x400[];
extern int fsl_bmp_600x400_size;
extern int g_ipu_hw_rev;

#if defined(CONFIG_BMP_8BPP)
short colormap[256];
#elif defined(CONFIG_BMP_16BPP)
short colormap[65536];
#else
short colormap[16777216];
#endif

extern int ipuv3_fb_init(struct fb_videomode *mode, int di,
			int interface_pix_fmt,
			ipu_di_clk_parent_t di_clk_parent,
			int di_clk_val);

static struct fb_videomode claa_wvga = {
	/* 800x480 @ 60 Hz , pixel clk @ 27MHz */
	"CLAA-WVGA", 60, 800, 480, 40000, 40, 40, 5, 5, 20, 10,
	FB_SYNC_CLK_LAT_FALL,
	FB_VMODE_NONINTERLACED,
	0,
};

vidinfo_t panel_info;
#endif

static inline void setup_boot_device(void)
{
	uint *fis_addr = (uint *)IRAM_BASE_ADDR;

	switch (*fis_addr) {
	case NAND_FLASH_BOOT:
		boot_dev = NAND_BOOT;
		break;
	case SPI_NOR_FLASH_BOOT:
		boot_dev = SPI_NOR_BOOT;
		break;
	case MMC_FLASH_BOOT:
		boot_dev = MMC_BOOT;
		break;
	default:
		{
			uint soc_sbmr = readl(SRC_BASE_ADDR + 0x4);
			uint bt_mem_ctl = soc_sbmr & 0x00000003;
			uint bt_mem_type = (soc_sbmr & 0x00000180) >> 7;

			switch (bt_mem_ctl) {
			case 0x3:
				if (bt_mem_type == 0)
					boot_dev = MMC_BOOT;
				else if (bt_mem_type == 3)
					boot_dev = SPI_NOR_BOOT;
				else
					boot_dev = UNKNOWN_BOOT;
				break;
			case 0x1:
				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)
{
	int reg;
#ifdef CONFIG_ARCH_MMU
	reg = __REG(0x20000000 + ROM_SI_REV); /* Virtual address */
#else
	reg = __REG(ROM_SI_REV);
#endif

	switch (reg) {
	case 0x02:
		system_rev = 0x51000 | CHIP_REV_1_1;
		break;
	case 0x10:
		system_rev = 0x51000 | CHIP_REV_2_0;
		break;
	case 0x20:
		system_rev = 0x51000 | CHIP_REV_3_0;
		break;
	default:
		system_rev = 0x51000 | CHIP_REV_1_0;
	}
}

static inline void set_board_rev(void)
{
	if ((__REG(GPIO1_BASE_ADDR + 0x0) & (0x1 << 22)) == 0)
		system_rev |= BOARD_REV_2_0 << BOARD_VER_OFFSET;

}

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

static int is_board_rev(int rev)
{
	return (((system_rev & 0x0F00) >> 8) == rev) ? 1 : 0;
}

#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, 0x200, 0x1,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* ROM */
	X_ARM_MMU_SECTION(0x1FF, 0x1FF, 0x001,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* IRAM */
	X_ARM_MMU_SECTION(0x300, 0x300, 0x100,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* GPU */
	X_ARM_MMU_SECTION(0x400, 0x400, 0x200,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* IPUv3D */
	X_ARM_MMU_SECTION(0x600, 0x600, 0x300,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* periperals */
	X_ARM_MMU_SECTION(0x900, 0x000, 0x1FF,
			ARM_CACHEABLE, ARM_BUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* SDRAM */
	X_ARM_MMU_SECTION(0x900, 0x900, 0x200,
			ARM_CACHEABLE, ARM_BUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* SDRAM */
	X_ARM_MMU_SECTION(0x900, 0xE00, 0x200,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* SDRAM 0:128M*/
	X_ARM_MMU_SECTION(0xB80, 0xB80, 0x10,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* CS1 EIM control*/
	X_ARM_MMU_SECTION(0xCC0, 0xCC0, 0x040,
			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
			ARM_ACCESS_PERM_RW_RW); /* CS4/5/NAND Flash buffer */

	/* 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)
{
	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);
	/* enable GPIO1_9 for CLK0 and GPIO1_8 for CLK02 */
	writel(0x00000004, 0x73fa83e8);
	writel(0x00000004, 0x73fa83ec);
}

void setup_nfc(void)
{
	/* Enable NFC IOMUX */
	mxc_request_iomux(MX51_PIN_NANDF_CS0, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_NANDF_CS1, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_NANDF_CS2, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_NANDF_CS3, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_NANDF_CS4, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_NANDF_CS5, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_NANDF_CS6, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_NANDF_CS7, IOMUX_CONFIG_ALT0);
}

static void setup_expio(void)
{
	u32 reg;
	/* CS5 setup */
	mxc_request_iomux(MX51_PIN_EIM_CS5, IOMUX_CONFIG_ALT0);
	writel(0x00410089, WEIM_BASE_ADDR + 0x78 + CSGCR1);
	writel(0x00000002, WEIM_BASE_ADDR + 0x78 + CSGCR2);
	/* RWSC=50, RADVA=2, RADVN=6, OEA=0, OEN=0, RCSA=0, RCSN=0 */
	writel(0x32260000, WEIM_BASE_ADDR + 0x78 + CSRCR1);
	/* APR = 0 */
	writel(0x00000000, WEIM_BASE_ADDR + 0x78 + CSRCR2);
	/* WAL=0, WBED=1, WWSC=50, WADVA=2, WADVN=6, WEA=0, WEN=0,
	 * WCSA=0, WCSN=0
	 */
	writel(0x72080F00, WEIM_BASE_ADDR + 0x78 + CSWCR1);
	if ((readw(CS5_BASE_ADDR + PBC_ID_AAAA) == 0xAAAA) &&
	    (readw(CS5_BASE_ADDR + PBC_ID_5555) == 0x5555)) {
		if (is_soc_rev(CHIP_REV_2_0) < 0) {
			reg = readl(CCM_BASE_ADDR + CLKCTL_CBCDR);
			reg = (reg & (~0x70000)) | 0x30000;
			writel(reg, CCM_BASE_ADDR + CLKCTL_CBCDR);
			/* make sure divider effective */
			while (readl(CCM_BASE_ADDR + CLKCTL_CDHIPR) != 0)
				;
			writel(0x0, CCM_BASE_ADDR + CLKCTL_CCDR);
		}
		mx51_io_base_addr = CS5_BASE_ADDR;
	} else {
		/* CS1 */
		writel(0x00410089, WEIM_BASE_ADDR + 0x18 + CSGCR1);
		writel(0x00000002, WEIM_BASE_ADDR + 0x18 + CSGCR2);
		/*  RWSC=50, RADVA=2, RADVN=6, OEA=0, OEN=0, RCSA=0, RCSN=0 */
		writel(0x32260000, WEIM_BASE_ADDR + 0x18 + CSRCR1);
		/* APR=0 */
		writel(0x00000000, WEIM_BASE_ADDR + 0x18 + CSRCR2);
		/* WAL=0, WBED=1, WWSC=50, WADVA=2, WADVN=6, WEA=0,
		 * WEN=0, WCSA=0, WCSN=0
		 */
		writel(0x72080F00, WEIM_BASE_ADDR + 0x18 + CSWCR1);
		mx51_io_base_addr = CS1_BASE_ADDR;
	}

	/* Reset interrupt status reg */
	writew(0x1F, mx51_io_base_addr + PBC_INT_REST);
	writew(0x00, mx51_io_base_addr + PBC_INT_REST);
	writew(0xFFFF, mx51_io_base_addr + PBC_INT_MASK);

	/* Reset the XUART and Ethernet controllers */
	reg = readw(mx51_io_base_addr + PBC_SW_RESET);
	reg |= 0x9;
	writew(reg, mx51_io_base_addr + PBC_SW_RESET);
	reg &= ~0x9;
	writew(reg, mx51_io_base_addr + PBC_SW_RESET);
}

#ifdef CONFIG_IMX_ECSPI
s32 spi_get_cfg(struct imx_spi_dev_t *dev)
{
	switch (dev->slave.cs) {
	case 0:
		/* pmic */
		dev->base = CSPI1_BASE_ADDR;
		dev->freq = 2500000;
		dev->ss_pol = IMX_SPI_ACTIVE_HIGH;
		dev->ss = 0;
		dev->fifo_sz = 64 * 4;
		dev->us_delay = 0;
		break;
	case 1:
		/* spi_nor */
		dev->base = CSPI1_BASE_ADDR;
		dev->freq = 2500000;
		dev->ss_pol = IMX_SPI_ACTIVE_LOW;
		dev->ss = 1;
		dev->fifo_sz = 64 * 4;
		dev->us_delay = 0;
		break;
	default:
		printf("Invalid Bus ID! \n");
		break;
	}

	return 0;
}

#ifdef CONFIG_IMX_ECSPI
void spi_io_init(struct imx_spi_dev_t *dev)
{
	switch (dev->base) {
	case CSPI1_BASE_ADDR:
		/* 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, 0x105);

		/* 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, 0x105);

		if (dev->ss == 0) {
			/* de-select SS1 of instance: ecspi1. */
			mxc_request_iomux(MX51_PIN_CSPI1_SS1, IOMUX_CONFIG_ALT3);
			mxc_iomux_set_pad(MX51_PIN_CSPI1_SS1, 0x85);
			/* 000: Select mux mode: ALT0 mux port: SS0 of instance: ecspi1. */
			mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_ALT0);
			mxc_iomux_set_pad(MX51_PIN_CSPI1_SS0, 0x185);
		} else if (dev->ss == 1) {
			/* de-select SS0 of instance: ecspi1. */
			mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_ALT3);
			mxc_iomux_set_pad(MX51_PIN_CSPI1_SS0, 0x85);
			/* 000: Select mux mode: ALT0 mux port: SS1 of instance: ecspi1. */
			mxc_request_iomux(MX51_PIN_CSPI1_SS1, IOMUX_CONFIG_ALT0);
			mxc_iomux_set_pad(MX51_PIN_CSPI1_SS1, 0x105);
		}

		/* 000: Select mux mode: ALT0 mux port: RDY of instance: ecspi1. */
		mxc_request_iomux(MX51_PIN_CSPI1_RDY, IOMUX_CONFIG_ALT0);
		mxc_iomux_set_pad(MX51_PIN_CSPI1_RDY, 0x180);

		/* 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, 0x105);
		break;
	case CSPI2_BASE_ADDR:
	default:
		break;
	}
}
#endif
#endif

#ifdef CONFIG_MXC_FEC

#ifdef CONFIG_GET_FEC_MAC_ADDR_FROM_IIM

int fec_get_mac_addr(unsigned char *mac)
{
	u32 *iim1_mac_base =
		(u32 *)(IIM_BASE_ADDR + IIM_BANK_AREA_1_OFFSET +
			CONFIG_IIM_MAC_ADDR_OFFSET);
	int i;

	for (i = 0; i < 6; ++i, ++iim1_mac_base)
		mac[i] = (u8)readl(iim1_mac_base);

	return 0;
}
#endif

static void setup_fec(void)
{
	/*FEC_MDIO*/
	writel(0x3, IOMUXC_BASE_ADDR + 0x0D4);
	writel(0x1FD, IOMUXC_BASE_ADDR + 0x0468);
	writel(0x0, IOMUXC_BASE_ADDR + 0x0954);

	/*FEC_MDC*/
	writel(0x2, IOMUXC_BASE_ADDR + 0x13C);
	writel(0x2004, IOMUXC_BASE_ADDR + 0x0524);

	/* FEC RDATA[3] */
	writel(0x3, IOMUXC_BASE_ADDR + 0x0EC);
	writel(0x180, IOMUXC_BASE_ADDR + 0x0480);
	writel(0x0, IOMUXC_BASE_ADDR + 0x0964);

	/* FEC RDATA[2] */
	writel(0x3, IOMUXC_BASE_ADDR + 0x0E8);
	writel(0x180, IOMUXC_BASE_ADDR + 0x047C);
	writel(0x0, IOMUXC_BASE_ADDR + 0x0960);

	/* FEC RDATA[1] */
	writel(0x3, IOMUXC_BASE_ADDR + 0x0d8);
	writel(0x180, IOMUXC_BASE_ADDR + 0x046C);
	writel(0x0, IOMUXC_BASE_ADDR + 0x095C);

	/* FEC RDATA[0] */
	writel(0x2, IOMUXC_BASE_ADDR + 0x016C);
	writel(0x2180, IOMUXC_BASE_ADDR + 0x0554);
	writel(0x0, IOMUXC_BASE_ADDR + 0x0958);

	/* FEC TDATA[3] */
	writel(0x2, IOMUXC_BASE_ADDR + 0x148);
	writel(0x2004, IOMUXC_BASE_ADDR + 0x0530);

	/* FEC TDATA[2] */
	writel(0x2, IOMUXC_BASE_ADDR + 0x144);
	writel(0x2004, IOMUXC_BASE_ADDR + 0x052C);

	/* FEC TDATA[1] */
	writel(0x2, IOMUXC_BASE_ADDR + 0x140);
	writel(0x2004, IOMUXC_BASE_ADDR + 0x0528);

	/* FEC TDATA[0] */
	writel(0x2, IOMUXC_BASE_ADDR + 0x0170);
	writel(0x2004, IOMUXC_BASE_ADDR + 0x0558);

	/* FEC TX_EN */
	writel(0x1, IOMUXC_BASE_ADDR + 0x014C);
	writel(0x2004, IOMUXC_BASE_ADDR + 0x0534);

	/* FEC TX_ER */
	writel(0x2, IOMUXC_BASE_ADDR + 0x0138);
	writel(0x2004, IOMUXC_BASE_ADDR + 0x0520);

	/* FEC TX_CLK */
	writel(0x1, IOMUXC_BASE_ADDR + 0x0150);
	writel(0x2180, IOMUXC_BASE_ADDR + 0x0538);
	writel(0x0, IOMUXC_BASE_ADDR + 0x0974);

	/* FEC COL */
	writel(0x1, IOMUXC_BASE_ADDR + 0x0124);
	writel(0x2180, IOMUXC_BASE_ADDR + 0x0500);
	writel(0x0, IOMUXC_BASE_ADDR + 0x094c);

	/* FEC RX_CLK */
	writel(0x1, IOMUXC_BASE_ADDR + 0x0128);
	writel(0x2180, IOMUXC_BASE_ADDR + 0x0504);
	writel(0x0, IOMUXC_BASE_ADDR + 0x0968);

	/* FEC CRS */
	writel(0x3, IOMUXC_BASE_ADDR + 0x0f4);
	writel(0x180, IOMUXC_BASE_ADDR + 0x0488);
	writel(0x0, IOMUXC_BASE_ADDR + 0x0950);

	/* FEC RX_ER */
	writel(0x3, IOMUXC_BASE_ADDR + 0x0f0);
	writel(0x180, IOMUXC_BASE_ADDR + 0x0484);
	writel(0x0, IOMUXC_BASE_ADDR + 0x0970);

	/* FEC RX_DV */
	writel(0x2, IOMUXC_BASE_ADDR + 0x164);
	writel(0x2180, IOMUXC_BASE_ADDR + 0x054C);
	writel(0x0, IOMUXC_BASE_ADDR + 0x096C);
}
#endif

#ifdef CONFIG_I2C_MXC
static void setup_i2c(unsigned int module_base)
{
	unsigned int reg;

	switch (module_base) {
	case I2C1_BASE_ADDR:
		reg = IOMUXC_BASE_ADDR + 0x5c; /* i2c1 SDA */
		writel(0x14, reg);
		reg = IOMUXC_BASE_ADDR + 0x3f0;
		writel(0x10d, reg);
		reg = IOMUXC_BASE_ADDR + 0x9B4;
		writel(0x0, reg);

		reg = IOMUXC_BASE_ADDR + 0x68; /* i2c2 SCL */
		writel(0x14, reg);
		reg = IOMUXC_BASE_ADDR + 0x3fc;
		writel(0x10d, reg);
		reg = IOMUXC_BASE_ADDR + 0x9B0;
		writel(0x0, reg);
		break;
	case I2C2_BASE_ADDR:
		/* dummy here*/
		break;
	default:
		printf("Invalid I2C base: 0x%x\n", module_base);
		break;
	}
}

static void setup_core_voltage_i2c(void)
{
	unsigned int reg;
	unsigned char buf[1] = { 0 };

	puts("PMIC Mode: linear\n");

	writel(0x0, CCM_BASE_ADDR + CLKCTL_CACRR);
	reg = readl(GPIO2_BASE_ADDR + 0x0);
	reg &= ~0x4000;  /* Lower reset line */
	writel(reg, GPIO2_BASE_ADDR + 0x0);

	reg = readl(GPIO2_BASE_ADDR + 0x4);
	reg |= 0x4000;  /* configure GPIO lines as output */
	writel(reg, GPIO2_BASE_ADDR + 0x4);

	/* Reset the ethernet controller over GPIO */
	writel(0x1, IOMUXC_BASE_ADDR + 0x0AC);

	/*Configure LDO4*/
	i2c_read(0x34, 0x12, 1, buf, 1);
	buf[0] = buf[0] | 0x40;
	if (i2c_write(0x34, 0x12, 1, buf, 1)) {
		puts("write to PMIC 0x12 failed!\n");
		return;
	}
	i2c_read(0x34, 0x12, 1, buf, 1);
	printf("PMIC 0x12: 0x%x \n", buf[0]);

	i2c_read(0x34, 0x10, 1, buf, 1);
	buf[0] = buf[0] | 0x40;
	if (i2c_write(0x34, 0x10, 1, buf, 1)) {
		puts("write to PMIC 0x10 failed!\n");
		return;
	}
	i2c_read(0x34, 0x10, 1, buf, 1);
	printf("PMIC 0x10: 0x%x \n", buf[0]);

	udelay(500);

	reg = readl(GPIO2_BASE_ADDR + 0x0);
	reg |= 0x4000;
	writel(reg, GPIO2_BASE_ADDR + 0x0);
}
#endif

#ifdef CONFIG_IMX_ECSPI
static void setup_core_voltage_spi(void)
{
	struct spi_slave *slave;
	unsigned int val;
	unsigned int reg;

	puts("PMIC Mode: SPI\n");

#define REV_ATLAS_LITE_1_0         0x8
#define REV_ATLAS_LITE_1_1         0x9
#define REV_ATLAS_LITE_2_0         0x10
#define REV_ATLAS_LITE_2_1         0x11

	slave = spi_pmic_probe();

	/* Write needed to Power Gate 2 register */
	val = pmic_reg(slave, 34, 0, 0);
	val &= ~0x10000;
	pmic_reg(slave, 34, val, 1);

	/* For BBG2.5 and BBG3.0, set SPI register 48 = 0x21807B
	 * and  disable the PLIM.
	 * MC13892 has an inside charge timer which expires in 120 minutes.
	 * If ICHRG and CHGAUTOB are not set properly, this timer expiration
	 * will get system power recycled.
	 * Since BBG has no Li-Ion battery on board, sets
	 * ICHRG in externally powered mode and sets CHGAUTOB bit to avoid
	 * automatic charging, so that system will not get reset by this
	 * timer expiration.
	 * Set the charge regulator output voltage as 4.2V by default
	 * according to MC13892 spec
	 */
	if (is_board_rev(BOARD_REV_2_0))
		pmic_reg(slave, 48, 0x0023807B, 1);

	/* power up the system first */
	pmic_reg(slave, 34, 0x00200000, 1);

	if (is_soc_rev(CHIP_REV_2_0) <= 0) {
		/* Set core voltage to 1.1V */
		val = pmic_reg(slave, 24, 0, 0);
		val = (val & (~0x1f)) | 0x14;
		pmic_reg(slave, 24, val, 1);

		/* Setup VCC (SW2) to 1.25 */
		val = pmic_reg(slave, 25, 0, 0);
		val = (val & (~0x1f)) | 0x1a;
		pmic_reg(slave, 25, val, 1);

		/* Setup 1V2_DIG1 (SW3) to 1.25 */
		val = pmic_reg(slave, 26, 0, 0);
		val = (val & (~0x1f)) | 0x1a;
		pmic_reg(slave, 26, val, 1);
		udelay(50);
		/* Raise the core frequency to 800MHz */
		writel(0x0, CCM_BASE_ADDR + CLKCTL_CACRR);
	} else {
		/* TO 3.0 */
		/* Set core voltage to 1.1V */
		val = pmic_reg(slave, 24, 0, 0);
		val = (val & (~0x1f)) | 0x14;
		pmic_reg(slave, 24, val, 1);

		/* Setup VCC (SW2) to 1.225 */
		val = pmic_reg(slave, 25, 0, 0);
		val = (val & (~0x1f)) | 0x19;
		pmic_reg(slave, 25, val, 1);

		/* Setup 1V2_DIG1 (SW3) to 1.2 */
		val = pmic_reg(slave, 26, 0, 0);
		val = (val & (~0x1f)) | 0x18;
		pmic_reg(slave, 26, val, 1);
	}

	if (((pmic_reg(slave, 7, 0, 0) & 0x1f) < REV_ATLAS_LITE_2_0) ||
		(((pmic_reg(slave, 7, 0, 0) >> 9) & 0x3) == 0)) {
		/* Set switchers in PWM mode for Atlas 2.0 and lower */
		/* Setup the switcher mode for SW1 & SW2*/
		val = pmic_reg(slave, 28, 0, 0);
		val = (val & (~0x3c0f)) | 0x1405;
		pmic_reg(slave, 28, val, 1);

		/* Setup the switcher mode for SW3 & SW4 */
		val = pmic_reg(slave, 29, 0, 0);
		val = (val & (~0xf0f)) | 0x505;
		pmic_reg(slave, 29, val, 1);
	} else {
		/* Set switchers in Auto in NORMAL mode & STANDBY mode for Atlas 2.0a */
		/* Setup the switcher mode for SW1 & SW2*/
		val = pmic_reg(slave, 28, 0, 0);
		val = (val & (~0x3c0f)) | 0x2008;
		pmic_reg(slave, 28, val, 1);

		/* Setup the switcher mode for SW3 & SW4 */
		val = pmic_reg(slave, 29, 0, 0);
		val = (val & (~0xf0f)) | 0x808;
		pmic_reg(slave, 29, val, 1);
	}

	/* Set VDIG to 1.65V, VGEN3 to 1.8V, VCAM to 2.5V */
	val = pmic_reg(slave, 30, 0, 0);
	val &= ~0x34030;
	val |= 0x10020;
	pmic_reg(slave, 30, val, 1);

	/* Set VVIDEO to 2.775V, VAUDIO to 3V, VSD to 3.15V */
	val = pmic_reg(slave, 31, 0, 0);
	val &= ~0x1fc;
	val |= 0x1f4;
	pmic_reg(slave, 31, val, 1);

	/* Configure VGEN3 and VCAM regulators to use external PNP */
	val = 0x208;
	pmic_reg(slave, 33, val, 1);
	udelay(200);

	reg = readl(GPIO2_BASE_ADDR + 0x0);
	reg &= ~0x4000;  /* Lower reset line */
	writel(reg, GPIO2_BASE_ADDR + 0x0);

	reg = readl(GPIO2_BASE_ADDR + 0x4);
	reg |= 0x4000;  /* configure GPIO lines as output */
	writel(reg, GPIO2_BASE_ADDR + 0x4);

	/* Reset the ethernet controller over GPIO */
	writel(0x1, IOMUXC_BASE_ADDR + 0x0ac);

	/* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */
	val = 0x49249;
	pmic_reg(slave, 33, val, 1);

	udelay(500);

	reg = readl(GPIO2_BASE_ADDR + 0x0);
	reg |= 0x4000;
	writel(reg, GPIO2_BASE_ADDR + 0x0);

	spi_pmic_free(slave);
}
#endif

#ifdef CONFIG_NET_MULTI

int board_eth_init(bd_t *bis)
{
	int rc = -ENODEV;

	return rc;
}
#endif

#ifdef CONFIG_CMD_MMC

struct fsl_esdhc_cfg esdhc_cfg[2] = {
	{MMC_SDHC1_BASE_ADDR, 1, 1},
	{MMC_SDHC2_BASE_ADDR, 1, 1},
};

#ifdef CONFIG_DYNAMIC_MMC_DEVNO
int get_mmc_env_devno()
{
	uint soc_sbmr = readl(SRC_BASE_ADDR + 0x4);
	return (soc_sbmr & 0x00180000) ? 1 : 0;
}
#endif

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(MX51_PIN_SD1_CMD,
					IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
			mxc_request_iomux(MX51_PIN_SD1_CLK,
					IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);

			mxc_request_iomux(MX51_PIN_SD1_DATA0,
					IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
			mxc_request_iomux(MX51_PIN_SD1_DATA1,
					IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
			mxc_request_iomux(MX51_PIN_SD1_DATA2,
					IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
			mxc_request_iomux(MX51_PIN_SD1_DATA3,
					IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
			mxc_iomux_set_pad(MX51_PIN_SD1_CMD,
					PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
					PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
					PAD_CTL_PUE_PULL |
					PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
			mxc_iomux_set_pad(MX51_PIN_SD1_CLK,
					PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
					PAD_CTL_HYS_NONE | PAD_CTL_47K_PU |
					PAD_CTL_PUE_PULL |
					PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
			mxc_iomux_set_pad(MX51_PIN_SD1_DATA0,
					PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
					PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
					PAD_CTL_PUE_PULL |
					PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
			mxc_iomux_set_pad(MX51_PIN_SD1_DATA1,
					PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
					PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
					PAD_CTL_PUE_PULL |
					PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
			mxc_iomux_set_pad(MX51_PIN_SD1_DATA2,
					PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
					PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
					PAD_CTL_PUE_PULL |
					PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
			mxc_iomux_set_pad(MX51_PIN_SD1_DATA3,
					PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
					PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PD |
					PAD_CTL_PUE_PULL |
					PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
			break;
		case 1:
			mxc_request_iomux(MX51_PIN_SD2_CMD,
					IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
			mxc_request_iomux(MX51_PIN_SD2_CLK,
					IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);

			mxc_request_iomux(MX51_PIN_SD2_DATA0,
					IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
			mxc_request_iomux(MX51_PIN_SD2_DATA1,
					IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
			mxc_request_iomux(MX51_PIN_SD2_DATA2,
					IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
			mxc_request_iomux(MX51_PIN_SD2_DATA3,
					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_iomux_set_pad(MX51_PIN_SD2_CLK,
					PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
					PAD_CTL_SRE_FAST);
			mxc_iomux_set_pad(MX51_PIN_SD2_DATA0,
					PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
					PAD_CTL_SRE_FAST);
			mxc_iomux_set_pad(MX51_PIN_SD2_DATA1,
					PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
					PAD_CTL_SRE_FAST);
			mxc_iomux_set_pad(MX51_PIN_SD2_DATA2,
					PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
					PAD_CTL_SRE_FAST);
			mxc_iomux_set_pad(MX51_PIN_SD2_DATA3,
					PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
					PAD_CTL_SRE_FAST);
			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

#ifdef CONFIG_LCD
void lcd_enable(void)
{
	int ret;
	unsigned int reg;

	/*
	* hw_rev 2: IPUV3DEX
	* hw_rev 3: IPUV3M
	* hw_rev 4: IPUV3H
	*/
	g_ipu_hw_rev = IPUV3_HW_REV_IPUV3DEX;

	mxc_request_iomux(MX51_PIN_DI_GP4, IOMUX_CONFIG_ALT4);

	mxc_iomux_set_pad(MX51_PIN_DI2_DISP_CLK, PAD_CTL_HYS_NONE |
			  PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
			  PAD_CTL_DRV_MAX | PAD_CTL_SRE_SLOW);

	mxc_request_iomux(MX51_PIN_CSI2_D12, IOMUX_CONFIG_ALT3);
	reg = readl(GPIO4_BASE_ADDR + 0x4);
	reg |= 0x200;
	writel(reg, GPIO4_BASE_ADDR + 0x4);
	reg = readl(GPIO4_BASE_ADDR + 0x0);
	reg |= 0x200;
	writel(reg, GPIO4_BASE_ADDR + 0x0);

	mxc_request_iomux(MX51_PIN_CSI2_D13, IOMUX_CONFIG_ALT3);
	reg = readl(GPIO4_BASE_ADDR + 0x4);
	reg |= 0x400;
	writel(reg, GPIO4_BASE_ADDR + 0x4);
	reg = readl(GPIO4_BASE_ADDR + 0x0);
	reg |= 0x400;
	writel(reg, GPIO4_BASE_ADDR + 0x0);

	/* GPIO backlight */
	mxc_request_iomux(MX51_PIN_DI1_D1_CS, IOMUX_CONFIG_ALT4);
	mxc_iomux_set_input(MUX_IN_GPIO3_IPP_IND_G_IN_4_SELECT_INPUT, INPUT_CTL_PATH1);
	reg = readl(GPIO3_BASE_ADDR + 0x4);
	reg |= 0x10;
	writel(reg, GPIO3_BASE_ADDR + 0x4);
	reg = readl(GPIO3_BASE_ADDR + 0x0);
	reg |= 0x10;
	writel(reg, GPIO3_BASE_ADDR + 0x0);

	ret = ipuv3_fb_init(&claa_wvga, 1, IPU_PIX_FMT_RGB565,
			DI_PCLK_PLL3, 0);
	if (ret)
		puts("LCD cannot be configured\n");
}
#endif

#ifdef CONFIG_VIDEO_MX5
static void panel_info_init(void)
{
	panel_info.vl_bpix = LCD_BPP;
	panel_info.vl_col = claa_wvga.xres;
	panel_info.vl_row = claa_wvga.yres;
	panel_info.cmap = colormap;
}
#endif

#ifdef CONFIG_SPLASH_SCREEN
void setup_splash_image(void)
{
	char *s;
	ulong addr;

	s = getenv("splashimage");

	if (s != NULL) {
		addr = simple_strtoul (s, NULL, 16);

#if defined(CONFIG_ARCH_MMU)
		addr = ioremap_nocache(iomem_to_phys(addr), fsl_bmp_600x400_size);
#endif
		memcpy((char *)addr, (char *)fsl_bmp_600x400, fsl_bmp_600x400_size);
	}
}
#endif

#if defined(CONFIG_MXC_KPD)
int setup_mxc_kpd(void)
{
	mxc_request_iomux(MX51_PIN_KEY_COL0, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_KEY_COL1, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_KEY_COL2, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_KEY_COL3, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_KEY_COL4, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_KEY_COL5, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_KEY_ROW0, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_KEY_ROW1, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_KEY_ROW2, IOMUX_CONFIG_ALT0);
	mxc_request_iomux(MX51_PIN_KEY_ROW3, IOMUX_CONFIG_ALT0);

	return 0;
}
#endif

int board_init(void)
{
#ifdef CONFIG_MFG
/* MFG firmware need reset usb to avoid host crash firstly */
#define USBCMD 0x140
	int val = readl(OTG_BASE_ADDR + USBCMD);
	val &= ~0x1; /*RS bit*/
	writel(val, OTG_BASE_ADDR + USBCMD);
#endif
	setup_boot_device();
	setup_soc_rev();
	set_board_rev();

	gd->bd->bi_arch_number = MACH_TYPE_MX51_BABBAGE;	/* board id for linux */
	/* address of boot parameters */
	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;

	setup_uart();
	setup_nfc();
	setup_expio();
#ifdef CONFIG_MXC_FEC
	setup_fec();
#endif
#ifdef CONFIG_I2C_MXC
	setup_i2c(I2C1_BASE_ADDR);
#endif

#ifdef CONFIG_VIDEO_MX5
	panel_info_init();

	gd->fb_base = CONFIG_FB_BASE;
#ifdef CONFIG_ARCH_MMU
	gd->fb_base = ioremap_nocache(iomem_to_phys(gd->fb_base), 0);
#endif
#endif
	return 0;
}

#ifdef CONFIG_ANDROID_RECOVERY
struct reco_envs supported_reco_envs[BOOT_DEV_NUM] = {
	{
	 .cmd = NULL,
	 .args = NULL,
	 },
	{
	 .cmd = NULL,
	 .args = NULL,
	 },
	{
	 .cmd = CONFIG_ANDROID_RECOVERY_BOOTCMD_MMC,
	 .args = CONFIG_ANDROID_RECOVERY_BOOTARGS_MMC,
	 },
};

int check_recovery_cmd_file(void)
{
	disk_partition_t info;
	ulong part_length;
	int filelen;

	switch (get_boot_device()) {
	case MMC_BOOT:
		{
			block_dev_desc_t *dev_desc = NULL;
			struct mmc *mmc = find_mmc_device(0);

			dev_desc = get_dev("mmc", 0);

			if (NULL == dev_desc) {
				puts("** Block device MMC 0 not supported\n");
				return 0;
			}

			mmc_init(mmc);

			if (get_partition_info(dev_desc,
					CONFIG_ANDROID_CACHE_PARTITION_MMC,
					&info)) {
				printf("** Bad partition %d **\n",
					CONFIG_ANDROID_CACHE_PARTITION_MMC);
				return 0;
			}

			part_length = ext2fs_set_blk_dev(dev_desc,
							CONFIG_ANDROID_CACHE_PARTITION_MMC);
			if (part_length == 0) {
				printf("** Bad partition - mmc 0:%d **\n",
					CONFIG_ANDROID_CACHE_PARTITION_MMC);
				ext2fs_close();
				return 0;
			}

			if (!ext2fs_mount(part_length)) {
				printf("** Bad ext2 partition or disk - mmc 0:%d **\n",
					CONFIG_ANDROID_CACHE_PARTITION_MMC);
				ext2fs_close();
				return 0;
			}

			filelen = ext2fs_open(CONFIG_ANDROID_RECOVERY_CMD_FILE);

			ext2fs_close();
		}
		break;
	case NAND_BOOT:
		return 0;
		break;
	case SPI_NOR_BOOT:
		return 0;
		break;
	case UNKNOWN_BOOT:
	default:
		return 0;
		break;
	}

	return (filelen > 0) ? 1 : 0;

}
#endif

#ifdef BOARD_LATE_INIT
int board_late_init(void)
{
#ifdef CONFIG_I2C_MXC
	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
	if (!i2c_probe(0x34))
		setup_core_voltage_i2c();
	else
#endif
#ifdef CONFIG_IMX_ECSPI
		setup_core_voltage_spi();
#endif

	return 0;
}
#endif

int checkboard(void)
{
	printf("Board: MX51 BABBAGE ");

	if (is_soc_rev(CHIP_REV_3_0) == 0) {
		printf("3.0 [");
	} else if ((is_soc_rev(CHIP_REV_2_0) == 0)
	 && (system_rev & (BOARD_REV_2_0 << BOARD_VER_OFFSET))) {
		printf("2.5 [");
	} else if (is_soc_rev(CHIP_REV_2_0) == 0) {
		printf("2.0 [");
	} else if (is_soc_rev(CHIP_REV_1_1) == 0) {
		printf("1.1 [");
	} else {
		printf("1.0 [");
	}

	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 NAND_BOOT:
		printf("NAND\n");
		break;
	case SPI_NOR_BOOT:
		printf("SPI NOR\n");
		break;
	case MMC_BOOT:
		printf("MMC\n");
		break;
	case UNKNOWN_BOOT:
	default:
		printf("UNKNOWN\n");
		break;
	}
	return 0;
}