ENGR00137497-2 MX53: Add LOCO board support

Add MX53 LOCO board support
The following functions are tested in the board:
- Micro SD boot
- MMC/SD read/write.
- clk command
- fuse command

Signed-off-by: Lily Zhang <r58066@freescale.com>

6 files changed, 1202 insertions, 0 deletions

diff --git a/board/freescale/mx53_loco/Makefile b/board/freescale/mx53_loco/Makefile
new file mode 100644
index 0000000..c838e08
--- /dev/null
+++ b/board/freescale/mx53_loco/Makefile
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2010 Freescale Semiconductor, Inc.
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	:= mx53_loco.o
+SOBJS	:= lowlevel_init.o flash_header.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/freescale/mx53_loco/config.mk b/board/freescale/mx53_loco/config.mk
new file mode 100644
index 0000000..34f830a
--- /dev/null
+++ b/board/freescale/mx53_loco/config.mk
@@ -0,0 +1,3 @@
+LDSCRIPT := $(SRCTREE)/board/$(VENDOR)/$(BOARD)/u-boot.lds
+
+TEXT_BASE = 0x77800000
diff --git a/board/freescale/mx53_loco/flash_header.S b/board/freescale/mx53_loco/flash_header.S
new file mode 100644
index 0000000..db056db
--- /dev/null
+++ b/board/freescale/mx53_loco/flash_header.S
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc.
+ *
+ * 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 <config.h>
+#include <asm/arch/mx53.h>
+
+#ifdef	CONFIG_FLASH_HEADER
+#ifndef CONFIG_FLASH_HEADER_OFFSET
+# error "Must define the offset of flash header"
+#endif
+
+#define CPU_2_BE_32(l) \
+       ((((l) & 0x000000FF) << 24) | \
+	(((l) & 0x0000FF00) << 8)  | \
+	(((l) & 0x00FF0000) >> 8)  | \
+	(((l) & 0xFF000000) >> 24))
+
+#define MXC_DCD_ITEM(i, addr, val)   \
+dcd_node_##i:                        \
+        .word CPU_2_BE_32(addr) ;     \
+        .word CPU_2_BE_32(val)  ;     \
+
+.section ".text.flasheader", "x"
+	b	_start
+	.org	CONFIG_FLASH_HEADER_OFFSET
+ivt_header:       .word 0x402000D1 /* Tag=0xD1, Len=0x0020, Ver=0x40 */
+app_code_jump_v:  .word _start
+reserv1:          .word 0x0
+dcd_ptr:          .word dcd_hdr
+boot_data_ptr:	  .word boot_data
+self_ptr:         .word ivt_header
+app_code_csf:     .word 0x0
+reserv2:          .word 0x0
+
+boot_data:        .word 0x77800000
+image_len:        .word _end - TEXT_BASE
+plugin:           .word 0x0
+
+dcd_hdr:          .word 0x40A001D2 /* Tag=0xD2, Len=51*8 + 4 + 4, Ver=0x40 */
+write_dcd_cmd:    .word 0x049C01CC /* Tag=0xCC, Len=51*8 + 4, Param=4 */
+
+/* DCD */
+MXC_DCD_ITEM(1, IOMUXC_BASE_ADDR + 0x554, 0x00300000)
+MXC_DCD_ITEM(2, IOMUXC_BASE_ADDR + 0x558, 0x00300040)
+MXC_DCD_ITEM(3, IOMUXC_BASE_ADDR + 0x560, 0x00300000)
+MXC_DCD_ITEM(4, IOMUXC_BASE_ADDR + 0x564, 0x00300040)
+MXC_DCD_ITEM(5, IOMUXC_BASE_ADDR + 0x568, 0x00300040)
+MXC_DCD_ITEM(6, IOMUXC_BASE_ADDR + 0x570, 0x00300000)
+MXC_DCD_ITEM(7, IOMUXC_BASE_ADDR + 0x574, 0x00300000)
+MXC_DCD_ITEM(8, IOMUXC_BASE_ADDR + 0x578, 0x00300000)
+MXC_DCD_ITEM(9, IOMUXC_BASE_ADDR + 0x57c, 0x00300040)
+MXC_DCD_ITEM(10, IOMUXC_BASE_ADDR + 0x580, 0x00300040)
+MXC_DCD_ITEM(11, IOMUXC_BASE_ADDR + 0x584, 0x00300000)
+MXC_DCD_ITEM(12, IOMUXC_BASE_ADDR + 0x588, 0x00300000)
+MXC_DCD_ITEM(13, IOMUXC_BASE_ADDR + 0x590, 0x00300040)
+MXC_DCD_ITEM(14, IOMUXC_BASE_ADDR + 0x594, 0x00300000)
+MXC_DCD_ITEM(15, IOMUXC_BASE_ADDR + 0x6f0, 0x00300000)
+MXC_DCD_ITEM(16, IOMUXC_BASE_ADDR + 0x6f4, 0x00000000)
+MXC_DCD_ITEM(17, IOMUXC_BASE_ADDR + 0x6fc, 0x00000000)
+MXC_DCD_ITEM(18, IOMUXC_BASE_ADDR + 0x714, 0x00000000)
+MXC_DCD_ITEM(19, IOMUXC_BASE_ADDR + 0x718, 0x00300000)
+MXC_DCD_ITEM(20, IOMUXC_BASE_ADDR + 0x71c, 0x00300000)
+MXC_DCD_ITEM(21, IOMUXC_BASE_ADDR + 0x720, 0x00300000)
+MXC_DCD_ITEM(22, IOMUXC_BASE_ADDR + 0x724, 0x04000000)
+MXC_DCD_ITEM(23, IOMUXC_BASE_ADDR + 0x728, 0x00300000)
+MXC_DCD_ITEM(24, IOMUXC_BASE_ADDR + 0x72c, 0x00300000)
+MXC_DCD_ITEM(25, ESDCTL_BASE_ADDR + 0x088, 0x32383535)
+MXC_DCD_ITEM(26, ESDCTL_BASE_ADDR + 0x090, 0x4d444c44)
+MXC_DCD_ITEM(27, ESDCTL_BASE_ADDR + 0x07c, 0x01370138)
+MXC_DCD_ITEM(28, ESDCTL_BASE_ADDR + 0x080, 0x013b013c)
+MXC_DCD_ITEM(29, ESDCTL_BASE_ADDR + 0x018, 0x00011740)
+MXC_DCD_ITEM(30, ESDCTL_BASE_ADDR + 0x000, 0xc3190000)
+MXC_DCD_ITEM(31, ESDCTL_BASE_ADDR + 0x00c, 0x9f5152e3)
+MXC_DCD_ITEM(32, ESDCTL_BASE_ADDR + 0x010, 0xb68e8a63)
+MXC_DCD_ITEM(33, ESDCTL_BASE_ADDR + 0x014, 0x01ff00db)
+MXC_DCD_ITEM(34, ESDCTL_BASE_ADDR + 0x02c, 0x000026d2)
+MXC_DCD_ITEM(35, ESDCTL_BASE_ADDR + 0x030, 0x009f0e21)
+MXC_DCD_ITEM(36, ESDCTL_BASE_ADDR + 0x008, 0x12273030)
+MXC_DCD_ITEM(37, ESDCTL_BASE_ADDR + 0x004, 0x0002002d)
+MXC_DCD_ITEM(38, ESDCTL_BASE_ADDR + 0x01c, 0x00008032)
+MXC_DCD_ITEM(39, ESDCTL_BASE_ADDR + 0x01c, 0x00008033)
+MXC_DCD_ITEM(40, ESDCTL_BASE_ADDR + 0x01c, 0x00028031)
+MXC_DCD_ITEM(41, ESDCTL_BASE_ADDR + 0x01c, 0x092080b0)
+MXC_DCD_ITEM(42, ESDCTL_BASE_ADDR + 0x01c, 0x04008040)
+MXC_DCD_ITEM(43, ESDCTL_BASE_ADDR + 0x01c, 0x0000803a)
+MXC_DCD_ITEM(44, ESDCTL_BASE_ADDR + 0x01c, 0x0000803b)
+MXC_DCD_ITEM(45, ESDCTL_BASE_ADDR + 0x01c, 0x00028039)
+MXC_DCD_ITEM(46, ESDCTL_BASE_ADDR + 0x01c, 0x09208138)
+MXC_DCD_ITEM(47, ESDCTL_BASE_ADDR + 0x01c, 0x04008048)
+MXC_DCD_ITEM(48, ESDCTL_BASE_ADDR + 0x020, 0x00001800)
+MXC_DCD_ITEM(49, ESDCTL_BASE_ADDR + 0x040, 0x04b80003)
+MXC_DCD_ITEM(50, ESDCTL_BASE_ADDR + 0x058, 0x00022227)
+MXC_DCD_ITEM(51, ESDCTL_BASE_ADDR + 0x01C, 0x00000000)
+
+#endif
diff --git a/board/freescale/mx53_loco/lowlevel_init.S b/board/freescale/mx53_loco/lowlevel_init.S
new file mode 100644
index 0000000..5fadbc2
--- /dev/null
+++ b/board/freescale/mx53_loco/lowlevel_init.S
@@ -0,0 +1,229 @@
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc.
+ *
+ * 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 <config.h>
+#include <asm/arch/mx53.h>
+
+/*
+ * L2CC Cache setup/invalidation/disable
+ */
+.macro init_l2cc
+	/* explicitly disable L2 cache */
+        mrc 15, 0, r0, c1, c0, 1
+        bic r0, r0, #0x2
+        mcr 15, 0, r0, c1, c0, 1
+
+        /* reconfigure L2 cache aux control reg */
+        mov r0, #0xC0                   /* tag RAM */
+        add r0, r0, #0x4                /* data RAM */
+        orr r0, r0, #(1 << 24)          /* disable write allocate delay */
+        orr r0, r0, #(1 << 23)          /* disable write allocate combine */
+        orr r0, r0, #(1 << 22)          /* disable write allocate */
+
+	mcr 15, 1, r0, c9, c0, 2
+.endm /* init_l2cc */
+
+/* AIPS setup - Only setup MPROTx registers.
+ * The PACR default values are good.*/
+.macro init_aips
+	/*
+	 * Set all MPROTx to be non-bufferable, trusted for R/W,
+	 * not forced to user-mode.
+	 */
+	ldr r0, =AIPS1_BASE_ADDR
+	ldr r1, =0x77777777
+	str r1, [r0, #0x0]
+	str r1, [r0, #0x4]
+	ldr r0, =AIPS2_BASE_ADDR
+	str r1, [r0, #0x0]
+	str r1, [r0, #0x4]
+.endm /* init_aips */
+
+.macro setup_pll pll, freq
+	ldr r0, =\pll
+	ldr r1, =0x00001232
+	str r1, [r0, #PLL_DP_CTL]
+	mov r1, #0x2
+	str r1, [r0, #PLL_DP_CONFIG]
+
+	ldr r1, W_DP_OP_\freq
+	str r1, [r0, #PLL_DP_OP]
+	str r1, [r0, #PLL_DP_HFS_OP]
+
+	ldr r1,	W_DP_MFD_\freq
+	str r1, [r0, #PLL_DP_MFD]
+	str r1, [r0, #PLL_DP_HFS_MFD]
+
+	ldr r1,  W_DP_MFN_\freq
+	str r1, [r0, #PLL_DP_MFN]
+	str r1, [r0, #PLL_DP_HFS_MFN]
+
+	ldr r1, =0x00001232
+	str r1, [r0, #PLL_DP_CTL]
+1:	ldr r1, [r0, #PLL_DP_CTL]
+	ands r1, r1, #0x1
+	beq 1b
+.endm
+
+.macro init_clock
+	ldr r0, =ROM_SI_REV
+	ldr r1, [r0]
+	cmp r1, #0x20
+
+	/* For TO2 only, set LDO to 1.3V */
+	ldr r0, =0x53fa8000
+	ldr r1, =0x00194005
+	streq r1, [r0, #0x04]
+
+	ldr r0, CCM_BASE_ADDR_W
+
+	/* Switch ARM to step clock */
+	mov r1, #0x4
+	str r1, [r0, #CLKCTL_CCSR]
+
+	setup_pll PLL1_BASE_ADDR, 1000
+
+        setup_pll PLL3_BASE_ADDR, 400
+
+        /* Switch peripheral to PLL3 */
+        ldr r0, CCM_BASE_ADDR_W
+        ldr r1, CCM_VAL_0x00015154
+        str r1, [r0, #CLKCTL_CBCMR]
+        ldr r1, CCM_VAL_0x02888945
+        orr r1, r1, #(1 << 16)
+        str r1, [r0, #CLKCTL_CBCDR]
+        /* make sure change is effective */
+1:      ldr r1, [r0, #CLKCTL_CDHIPR]
+        cmp r1, #0x0
+        bne 1b
+
+        setup_pll PLL2_BASE_ADDR, CONFIG_SYS_PLL2_FREQ
+
+	/* Switch peripheral to PLL2 */
+	ldr r0, CCM_BASE_ADDR_W
+	ldr r1, CCM_VAL_0x00808145
+	orr r1, r1, #(CONFIG_SYS_AHB_PODF << 10)
+	orr r1, r1, #(CONFIG_SYS_AXIA_PODF << 16)
+	orr r1, r1, #(CONFIG_SYS_AXIB_PODF << 19)
+	str r1, [r0, #CLKCTL_CBCDR]
+
+	ldr r1, CCM_VAL_0x00016154
+	str r1, [r0, #CLKCTL_CBCMR]
+
+	/* make sure change is effective */
+1:      ldr r1, [r0, #CLKCTL_CDHIPR]
+	cmp r1, #0x0
+	bne 1b
+
+        setup_pll PLL3_BASE_ADDR, 216
+
+	/* Set the platform clock dividers */
+	ldr r0, PLATFORM_BASE_ADDR_W
+	ldr r1, PLATFORM_CLOCK_DIV_W
+	str r1, [r0, #PLATFORM_ICGC]
+
+	ldr r0, CCM_BASE_ADDR_W
+	mov r1, #0
+	str r1, [r0, #CLKCTL_CACRR]
+
+	/* Switch ARM back to PLL 1. */
+	mov r1, #0x0
+	str r1, [r0, #CLKCTL_CCSR]
+
+	ldr r1, [r0, #CLKCTL_CSCDR1]
+	orr r1, r1, #0x3f
+	eor r1, r1, #0x3f
+	orr r1, r1, #0x21
+	str r1, [r0, #CLKCTL_CSCDR1]
+
+	/* Restore the default values in the Gate registers */
+	ldr r1, =0xFFFFFFFF
+	str r1, [r0, #CLKCTL_CCGR0]
+	str r1, [r0, #CLKCTL_CCGR1]
+	str r1, [r0, #CLKCTL_CCGR2]
+	str r1, [r0, #CLKCTL_CCGR3]
+	str r1, [r0, #CLKCTL_CCGR4]
+	str r1, [r0, #CLKCTL_CCGR5]
+	str r1, [r0, #CLKCTL_CCGR6]
+	str r1, [r0, #CLKCTL_CCGR7]
+
+        mov r1, #0x00000
+        str r1, [r0, #CLKCTL_CCDR]
+
+        /* for cko - for ARM div by 8 */
+        mov r1, #0x000A0000
+        add r1, r1, #0x00000F0
+        str r1, [r0, #CLKCTL_CCOSR]
+.endm
+
+.section ".text.init", "x"
+
+.globl lowlevel_init
+lowlevel_init:
+
+#ifdef ENABLE_IMPRECISE_ABORT
+        mrs r1, spsr            /* save old spsr */
+        mrs r0, cpsr            /* read out the cpsr */
+	bic r0, r0, #0x100      /* clear the A bit */
+	msr spsr, r0            /* update spsr */
+	add lr, pc, #0x8        /* update lr */
+        movs pc, lr             /* update cpsr */
+        nop
+        nop
+        nop
+	nop
+	msr spsr, r1            /* restore old spsr */
+#endif
+
+	/* ARM errata ID #468414 */
+	mrc 15, 0, r1, c1, c0, 1
+	orr r1, r1, #(1 << 5)    /* enable L1NEON bit */
+	mcr 15, 0, r1, c1, c0, 1
+
+	init_l2cc
+
+	init_aips
+
+	init_clock
+
+	mov pc, lr
+
+/* Board level setting value */
+CCM_BASE_ADDR_W:        .word CCM_BASE_ADDR
+CCM_VAL_0x00016154:     .word 0x00016154
+CCM_VAL_0x00808145:     .word 0x00808145
+CCM_VAL_0x00015154:     .word 0x00015154
+CCM_VAL_0x02888945:     .word 0x02888945
+W_DP_OP_1000:           .word DP_OP_1000
+W_DP_MFD_1000:          .word DP_MFD_1000
+W_DP_MFN_1000:          .word DP_MFN_1000
+W_DP_OP_800:           	.word DP_OP_800
+W_DP_MFD_800:           .word DP_MFD_800
+W_DP_MFN_800:           .word DP_MFN_800
+W_DP_OP_600:            .word DP_OP_600
+W_DP_MFD_600:           .word DP_MFD_600
+W_DP_MFN_600:           .word DP_MFN_600
+W_DP_OP_400:            .word DP_OP_400
+W_DP_MFD_400:           .word DP_MFD_400
+W_DP_MFN_400:           .word DP_MFN_400
+W_DP_OP_216:            .word DP_OP_216
+W_DP_MFD_216:           .word DP_MFD_216
+W_DP_MFN_216:           .word DP_MFN_216
+PLATFORM_BASE_ADDR_W:   .word ARM_BASE_ADDR
+PLATFORM_CLOCK_DIV_W:   .word 0x00000124
diff --git a/board/freescale/mx53_loco/mx53_loco.c b/board/freescale/mx53_loco/mx53_loco.c
new file mode 100644
index 0000000..4f588ea
--- /dev/null
+++ b/board/freescale/mx53_loco/mx53_loco.c
@@ -0,0 +1,745 @@
+/*
+ * Copyright (C) 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 <netdev.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_GET_FEC_MAC_ADDR_FROM_IIM
+#include <asm/imx_iim.h>
+#endif
+
+#ifdef CONFIG_CMD_CLOCK
+#include <asm/clock.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;
+
+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)
+{
+	int reg;
+
+	/* Si rev is obtained from ROM */
+	reg = __REG(ROM_SI_REV);
+
+	switch (reg) {
+	case 0x10:
+		system_rev = 0x53000 | CHIP_REV_1_0;
+		break;
+	case 0x20:
+		system_rev = 0x53000 | CHIP_REV_2_0;
+		break;
+	default:
+		system_rev = 0x53000 | CHIP_REV_2_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, 0x200,
+			ARM_CACHEABLE, ARM_BUFFERABLE,
+			ARM_ACCESS_PERM_RW_RW); /* CSD0 512M */
+	X_ARM_MMU_SECTION(0x700, 0x900, 0x200,
+			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
+			ARM_ACCESS_PERM_RW_RW); /* CSD0 512M */
+	X_ARM_MMU_SECTION(0xB00, 0xB00, 0x200,
+			ARM_CACHEABLE, ARM_BUFFERABLE,
+			ARM_ACCESS_PERM_RW_RW); /* CSD0 512M */
+	X_ARM_MMU_SECTION(0xB00, 0xD00, 0x200,
+			ARM_UNCACHEABLE, ARM_UNBUFFERABLE,
+			ARM_ACCESS_PERM_RW_RW); /* CSD0 512M */
+	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;
+	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_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_PKE_ENABLE | PAD_CTL_PUE_PULL |
+				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_PKE_ENABLE | PAD_CTL_PUE_PULL |
+				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;
+	case I2C3_BASE_ADDR:
+		break;
+	default:
+		printf("Invalid I2C base: 0x%x\n", module_base);
+		break;
+	}
+}
+#endif
+
+#if defined(CONFIG_DWC_AHSATA)
+static void setup_sata_device(void)
+{
+	u32 *tmp_base =
+		(u32 *)(IIM_BASE_ADDR + 0x180c);
+	u32 reg;
+	mxc_request_iomux(MX53_PIN_EIM_DA3, IOMUX_CONFIG_ALT1);
+
+	/* GPIO_3_3 */
+	reg = readl(GPIO3_BASE_ADDR);
+	reg |= (0x1 << 3);
+	writel(reg, GPIO3_BASE_ADDR);
+
+	reg = readl(GPIO3_BASE_ADDR + 0x4);
+	reg |= (0x1 << 3);
+	writel(reg, GPIO3_BASE_ADDR + 0x4);
+
+	udelay(1000);
+
+	/* Set USB_PHY1 clk, fuse bank4 row3 bit2 */
+	set_usb_phy1_clk();
+	writel((readl(tmp_base) & (~0x7)) | 0x4, tmp_base);
+}
+#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)
+{
+	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(1000);
+
+	reg = readl(GPIO7_BASE_ADDR + 0x0);
+	reg |= 0x40;
+	writel(reg, GPIO7_BASE_ADDR + 0x0);
+
+}
+#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_SDHC3_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 & 0x00300000) ? 1 : 0;
+}
+#endif
+
+#ifdef CONFIG_EMMC_DDR_PORT_DETECT
+int detect_mmc_emmc_ddr_port(struct fsl_esdhc_cfg *cfg)
+{
+	return (MMC_SDHC3_BASE_ADDR == cfg->esdhc_base) ? 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(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;
+		}
+		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)
+{
+#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();
+
+	gd->bd->bi_arch_number = MACH_TYPE_MX53_LOCO;	/* board id for linux */
+
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+	setup_uart();
+
+#ifdef CONFIG_MXC_FEC
+	setup_fec();
+#endif
+
+#ifdef CONFIG_I2C_MXC
+	setup_i2c(CONFIG_SYS_I2C_PORT);
+#endif
+
+#if defined(CONFIG_DWC_AHSATA)
+	setup_sata_device();
+#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 = NULL,
+	 .args = NULL,
+	 },
+	{
+	 .cmd = NULL,
+	 .args = NULL,
+	 },
+	{
+	 .cmd = NULL,
+	 .args = NULL,
+	 },
+	{
+	 .cmd = NULL,
+	 .args = NULL,
+	 },
+	{
+	 .cmd = CONFIG_ANDROID_RECOVERY_BOOTCMD_MMC,
+	 .args = CONFIG_ANDROID_RECOVERY_BOOTARGS_MMC,
+	 },
+	{
+	 .cmd = CONFIG_ANDROID_RECOVERY_BOOTCMD_MMC,
+	 .args = CONFIG_ANDROID_RECOVERY_BOOTARGS_MMC,
+	 },
+	{
+	 .cmd = NULL,
+	 .args = NULL,
+	 },
+};
+
+int check_recovery_cmd_file(void)
+{
+	disk_partition_t info;
+	ulong part_length;
+	int filelen;
+	char *env;
+
+	/* For test only */
+	/* When detecting android_recovery_switch,
+	 * enter recovery mode directly */
+	env = getenv("android_recovery_switch");
+	if (!strcmp(env, "1")) {
+		printf("Env recovery detected!\nEnter recovery mode!\n");
+		return 1;
+	}
+
+	printf("Checking for recovery command file...\n");
+	switch (get_boot_device()) {
+	case MMC_BOOT:
+	case SD_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
+
+int board_late_init(void)
+{
+	return 0;
+}
+
+int checkboard(void)
+{
+	printf("Board: ");
+	printf("MX53-LOCO 1.0\n");
+	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;
+}
diff --git a/board/freescale/mx53_loco/u-boot.lds b/board/freescale/mx53_loco/u-boot.lds
new file mode 100644
index 0000000..4db8ab1
--- /dev/null
+++ b/board/freescale/mx53_loco/u-boot.lds
@@ -0,0 +1,67 @@
+/*
+ * (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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text	   :
+	{
+	  /* WARNING - the following is hand-optimized to fit within	*/
+	  /* the sector layout of our flash chips!	XXX FIXME XXX	*/
+	  board/freescale/mx53_loco/flash_header.o	(.text.flasheader)
+	  cpu/arm_cortexa8/start.o
+	  board/freescale/mx53_loco/libmx53_loco.a	(.text)
+	  lib_arm/libarm.a		(.text)
+	  net/libnet.a			(.text)
+	  drivers/mtd/libmtd.a		(.text)
+	  drivers/mmc/libmmc.a		(.text)
+
+	  . = DEFINED(env_offset) ? env_offset : .;
+	  common/env_embedded.o(.text)
+
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata : { *(.rodata) }
+
+	. = ALIGN(4);
+	.data : { *(.data) }
+
+	. = ALIGN(4);
+	.got : { *(.got) }
+
+	. = .;
+	__u_boot_cmd_start = .;
+	.u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss : { *(.bss) }
+	_end = .;
+}