[U-Boot] [PATCH] Add basic support for FriendlyARM MINI6410 development board

Alex Ling kasimling at gmail.com
Tue Sep 7 16:28:26 CEST 2010


This patch adds basic support for FriendlyARM MINI6410 development board (a Chinese clone of Samsung SMDK6410)

Signed-off-by: Alex Ling <kasimling at gmail.com>
---
 MAINTAINERS                                |    4 +
 MAKEALL                                    |    1 +
 Makefile                                   |   14 ++
 board/samsung/mini6410/.gitignore          |    5 +
 board/samsung/mini6410/Makefile            |   57 +++++
 board/samsung/mini6410/config.mk           |   35 +++
 board/samsung/mini6410/lowlevel_init.S     |  310 ++++++++++++++++++++++++++++
 board/samsung/mini6410/mini6410.c          |   86 ++++++++
 board/samsung/mini6410/u-boot-nand.lds     |   62 ++++++
 include/configs/mini6410.h                 |  296 ++++++++++++++++++++++++++
 nand_spl/board/samsung/mini6410/Makefile   |  112 ++++++++++
 nand_spl/board/samsung/mini6410/config.mk  |   41 ++++
 nand_spl/board/samsung/mini6410/u-boot.lds |   61 ++++++
 13 files changed, 1084 insertions(+), 0 deletions(-)
 create mode 100644 board/samsung/mini6410/.gitignore
 create mode 100644 board/samsung/mini6410/Makefile
 create mode 100644 board/samsung/mini6410/config.mk
 create mode 100644 board/samsung/mini6410/lowlevel_init.S
 create mode 100644 board/samsung/mini6410/mini6410.c
 create mode 100644 board/samsung/mini6410/u-boot-nand.lds
 create mode 100644 include/configs/mini6410.h
 create mode 100644 nand_spl/board/samsung/mini6410/Makefile
 create mode 100644 nand_spl/board/samsung/mini6410/config.mk
 create mode 100644 nand_spl/board/samsung/mini6410/u-boot.lds

diff --git a/MAINTAINERS b/MAINTAINERS
index 4b91b0f..e858c5c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -815,6 +815,10 @@ Alex Z
 	lart		SA1100
 	dnp1110		SA1110
 
+Alex Ling <kasimling at gmail.com>
+
+	MINI6410	ARM1176JZF-S (S3C6410)
+
 -------------------------------------------------------------------------
 
 Unknown / orphaned boards:
diff --git a/MAKEALL b/MAKEALL
index b34ae33..e3e3def 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -644,6 +644,7 @@ LIST_ARM11="			\
 	qong			\
 	smdk6400		\
 	tnetv107x_evm		\
+	mini6410		\
 "
 
 #########################################################################
diff --git a/Makefile b/Makefile
index 4f1cb1b..200a365 100644
--- a/Makefile
+++ b/Makefile
@@ -2235,6 +2235,20 @@ smdk6400_config	:	unconfig
 	@$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx
 	@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
 
+mini6410_noUSB_config   \
+mini6410_config :	unconfig
+	@mkdir -p $(obj)include $(obj)board/samsung/mini6410
+	@mkdir -p $(obj)nand_spl/board/samsung/mini6410
+	@echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
+	@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
+	@if [ -z "$(findstring mini6410_noUSB_config,$@)" ]; then			\
+		echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/mini6410/config.tmp;\
+	else										\
+		echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/mini6410/config.tmp;\
+	fi
+	@$(MKCONFIG) mini6410 arm arm1176 mini6410 samsung s3c64xx
+	@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
+
 #========================================================================
 # MIPS
 #========================================================================
diff --git a/board/samsung/mini6410/.gitignore b/board/samsung/mini6410/.gitignore
new file mode 100644
index 0000000..25ab492
--- /dev/null
+++ b/board/samsung/mini6410/.gitignore
@@ -0,0 +1,5 @@
+#
+# Generated files
+#
+
+/config.tmp
diff --git a/board/samsung/mini6410/Makefile b/board/samsung/mini6410/Makefile
new file mode 100644
index 0000000..ef86f48
--- /dev/null
+++ b/board/samsung/mini6410/Makefile
@@ -0,0 +1,57 @@
+#
+# (C) Copyright 2000, 2001, 2002
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# (C) Copyright 2008
+# Guennadi Liakhovetki, DENX Software Engineering, <lg at denx.de>
+#
+# (C) Copyright 2010
+# Alex Ling, <kasimling at gmail.com>
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS-y	:= mini6410.o
+SOBJS	:= lowlevel_init.o
+
+SRCS    := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(SOBJS) $(OBJS)
+	$(AR) $(ARFLAGS) $@ $(SOBJS) $(OBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/samsung/mini6410/config.mk b/board/samsung/mini6410/config.mk
new file mode 100644
index 0000000..7e9177f
--- /dev/null
+++ b/board/samsung/mini6410/config.mk
@@ -0,0 +1,35 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj at denx.de>
+# David Mueller, ELSOFT AG, <d.mueller at elsoft.ch>
+#
+# (C) Copyright 2008
+# Guennadi Liakhovetki, DENX Software Engineering, <lg at denx.de>
+#
+# (C) Copyright 2010
+# Alex Ling, <kasimling at gmail.com>
+#
+# FriendlyARM MINI6410 board with mDirac3 (ARM1176) cpu
+#
+# see http://www.samsung.com/ for more information on SAMSUNG
+
+# On MINI6410 we use the 128 MB SDRAM bank at
+#
+# 0x50000000 to 0x58000000
+#
+# Linux-Kernel is expected to be at 0x50008000, entry 0x50008000
+#
+# we load ourselves to 0x57e00000 without MMU
+# with MMU, load address is changed to 0xc7e00000
+#
+# download area is 0x5000c000
+
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+ifndef CONFIG_NAND_SPL
+TEXT_BASE = $(RAM_TEXT)
+else
+TEXT_BASE = 0
+endif
+
+LDSCRIPT := $(SRCTREE)/board/$(BOARDDIR)/u-boot-nand.lds
diff --git a/board/samsung/mini6410/lowlevel_init.S b/board/samsung/mini6410/lowlevel_init.S
new file mode 100644
index 0000000..c00d0ab
--- /dev/null
+++ b/board/samsung/mini6410/lowlevel_init.S
@@ -0,0 +1,310 @@
+/*
+ * Memory Setup stuff - taken from blob memsetup.S
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw at its.tudelft.nl) and
+ *		       Jan-Derk Bakker (J.D.Bakker at its.tudelft.nl)
+ *
+ * Modified for the Samsung SMDK2410 by
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller at elsoft.ch>
+ *
+ * (C) Copyright 2008
+ * Guennadi Liakhovetki, DENX Software Engineering, <lg at denx.de>
+ *
+ * (C) Copyright 2010
+ * Alex Ling, <kasimling at gmail.com>
+ *
+ * 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 <config.h>
+#include <version.h>
+
+#include <asm/arch/s3c6400.h>
+
+#ifdef CONFIG_SERIAL1
+#define ELFIN_UART_CONSOLE_BASE (ELFIN_UART_BASE + ELFIN_UART0_OFFSET)
+#elif defined(CONFIG_SERIAL2)
+#define ELFIN_UART_CONSOLE_BASE (ELFIN_UART_BASE + ELFIN_UART1_OFFSET)
+#else
+#define ELFIN_UART_CONSOLE_BASE (ELFIN_UART_BASE + ELFIN_UART2_OFFSET)
+#endif
+
+_TEXT_BASE:
+	.word	TEXT_BASE
+
+	.globl lowlevel_init
+lowlevel_init:
+	mov	r12, lr
+
+	/* Disable Watchdog */
+	ldr	r0, =0x7e000000		@0x7e004000
+	orr	r0, r0, #0x4000
+	mov	r1, #0
+	str	r1, [r0]
+
+	/* External interrupt pending clear */
+	ldr	r0, =(ELFIN_GPIO_BASE+EINTPEND_OFFSET)	/*EINTPEND*/
+	ldr	r1, [r0]
+	str	r1, [r0]
+
+	ldr	r0, =ELFIN_VIC0_BASE_ADDR	@0x71200000
+	ldr	r1, =ELFIN_VIC1_BASE_ADDR	@0x71300000
+
+	/* Disable all interrupts (VIC0 and VIC1) */
+	mvn	r3, #0x0
+	str	r3, [r0, #oINTMSK]
+	str	r3, [r1, #oINTMSK]
+
+	/* Set all interrupts as IRQ */
+	mov	r3, #0x0
+	str	r3, [r0, #oINTMOD]
+	str	r3, [r1, #oINTMOD]
+
+	/* Pending Interrupt Clear */
+	mov	r3, #0x0
+	str	r3, [r0, #oVECTADDR]
+	str	r3, [r1, #oVECTADDR]
+
+	/* init system clock */
+	bl system_clock_init
+
+#ifndef CONFIG_NAND_SPL
+	/* for UART */
+	bl uart_asm_init
+#endif
+
+#ifdef CONFIG_BOOT_NAND
+	/* simple init for NAND */
+	bl nand_asm_init
+#endif
+
+	/* Memory subsystem address 0x7e00f120 */
+	ldr	r0, =ELFIN_MEM_SYS_CFG
+
+	/* Xm0CSn2 = NFCON CS0, Xm0CSn3 = NFCON CS1 */
+	mov	r1, #S3C64XX_MEM_SYS_CFG_NAND
+	str	r1, [r0]
+
+	bl	mem_ctrl_asm_init
+
+/* Wakeup support. Don't know if it's going to be used, untested. */
+	ldr	r0, =(ELFIN_CLOCK_POWER_BASE + RST_STAT_OFFSET)
+	ldr	r1, [r0]
+	bic	r1, r1, #0xfffffff7
+	cmp	r1, #0x8
+	beq	wakeup_reset
+
+1:
+	mov	lr, r12
+	mov	pc, lr
+
+wakeup_reset:
+
+	/* Clear wakeup status register */
+	ldr	r0, =(ELFIN_CLOCK_POWER_BASE + WAKEUP_STAT_OFFSET)
+	ldr	r1, [r0]
+	str	r1, [r0]
+
+	/* Load return address and jump to kernel */
+	ldr	r0, =(ELFIN_CLOCK_POWER_BASE + INF_REG0_OFFSET)
+	/* r1 = physical address of s3c6400_cpu_resume function */
+	ldr	r1, [r0]
+	/* Jump to kernel (sleep-s3c6400.S) */
+	mov	pc, r1
+	nop
+	nop
+/*
+ * system_clock_init: Initialize core clock and bus clock.
+ * void system_clock_init(void)
+ */
+system_clock_init:
+	ldr	r0, =ELFIN_CLOCK_POWER_BASE	/* 0x7e00f000 */
+
+#ifdef CONFIG_SYNC_MODE
+	ldr	r1, [r0, #OTHERS_OFFSET]
+	mov	r2, #0x40
+	orr	r1, r1, r2
+	str	r1, [r0, #OTHERS_OFFSET]
+
+	nop
+	nop
+	nop
+	nop
+	nop
+
+	ldr	r2, =0x80
+	orr	r1, r1, r2
+	str	r1, [r0, #OTHERS_OFFSET]
+
+check_syncack:
+	ldr	r1, [r0, #OTHERS_OFFSET]
+	ldr	r2, =0xf00
+	and	r1, r1, r2
+	cmp	r1, #0xf00
+	bne	check_syncack
+#else	/* ASYNC Mode */
+	nop
+	nop
+	nop
+	nop
+	nop
+
+	/*
+	 * This was unconditional in original Samsung sources, but it doesn't
+	 * seem to make much sense on S3C6400.
+	 */
+#ifndef CONFIG_S3C6400
+	ldr	r1, [r0, #OTHERS_OFFSET]
+	bic	r1, r1, #0xC0
+	orr	r1, r1, #0x40
+	str	r1, [r0, #OTHERS_OFFSET]
+
+wait_for_async:
+	ldr	r1, [r0, #OTHERS_OFFSET]
+	and	r1, r1, #0xf00
+	cmp	r1, #0x0
+	bne	wait_for_async
+#endif
+
+	ldr	r1, [r0, #OTHERS_OFFSET]
+	bic	r1, r1, #0x40
+	str	r1, [r0, #OTHERS_OFFSET]
+#endif
+
+	mov	r1, #0xff00
+	orr	r1, r1, #0xff
+	str	r1, [r0, #APLL_LOCK_OFFSET]
+	str	r1, [r0, #MPLL_LOCK_OFFSET]
+
+	/* Set Clock Divider */
+	ldr	r1, [r0, #CLK_DIV0_OFFSET]
+	bic	r1, r1, #0x30000
+	bic	r1, r1, #0xff00
+	bic	r1, r1, #0xff
+	ldr	r2, =CLK_DIV_VAL
+	orr	r1, r1, r2
+	str	r1, [r0, #CLK_DIV0_OFFSET]
+
+	ldr	r1, =APLL_VAL
+	str	r1, [r0, #APLL_CON_OFFSET]
+	ldr	r1, =MPLL_VAL
+	str	r1, [r0, #MPLL_CON_OFFSET]
+
+	/* FOUT of EPLL is 96MHz */
+	ldr	r1, =0x200203
+	str	r1, [r0, #EPLL_CON0_OFFSET]
+	ldr	r1, =0x0
+	str	r1, [r0, #EPLL_CON1_OFFSET]
+
+	/* APLL, MPLL, EPLL select to Fout */
+	ldr	r1, [r0, #CLK_SRC_OFFSET]
+	orr	r1, r1, #0x7
+	str	r1, [r0, #CLK_SRC_OFFSET]
+
+	/* wait at least 200us to stablize all clock */
+	mov	r1, #0x10000
+1:	subs	r1, r1, #1
+	bne	1b
+
+	/* Synchronization for VIC port */
+#if defined(CONFIG_SYNC_MODE)
+	ldr	r1, [r0, #OTHERS_OFFSET]
+	orr	r1, r1, #0x20
+	str	r1, [r0, #OTHERS_OFFSET]
+#elif !defined(CONFIG_S3C6400)
+	/* According to 661558um_S3C6400X_rev10.pdf 0x20 is reserved */
+	ldr	r1, [r0, #OTHERS_OFFSET]
+	bic	r1, r1, #0x20
+	str	r1, [r0, #OTHERS_OFFSET]
+#endif
+	mov	pc, lr
+
+
+#ifndef CONFIG_NAND_SPL
+/*
+ * uart_asm_init: Initialize UART's pins
+ */
+uart_asm_init:
+	/* set GPIO to enable UART */
+	ldr	r0, =ELFIN_GPIO_BASE
+	ldr	r1, =0x220022
+	str	r1, [r0, #GPACON_OFFSET]
+	mov	pc, lr
+#endif
+
+#ifdef CONFIG_BOOT_NAND
+/*
+ * NAND Interface init for SMDK6400
+ */
+nand_asm_init:
+	ldr	r0, =ELFIN_NAND_BASE
+	ldr	r1, [r0, #NFCONF_OFFSET]
+	orr	r1, r1, #0x70
+	orr	r1, r1, #0x7700
+	str	r1, [r0, #NFCONF_OFFSET]
+
+	ldr	r1, [r0, #NFCONT_OFFSET]
+	orr	r1, r1, #0x07
+	str	r1, [r0, #NFCONT_OFFSET]
+
+	mov	pc, lr
+#endif
+
+#ifdef CONFIG_ENABLE_MMU
+/*
+ * MMU Table for MINI6410
+ */
+
+	/* form a first-level section entry */
+.macro FL_SECTION_ENTRY base,ap,d,c,b
+	.word (\base << 20) | (\ap << 10) | \
+	      (\d << 5) | (1<<4) | (\c << 3) | (\b << 2) | (1<<1)
+.endm
+
+.section .mmudata, "a"
+	.align 14
+	/* the following alignment creates the mmu table at address 0x4000. */
+	.globl mmu_table
+mmu_table:
+	.set __base, 0
+	/* 1:1 mapping for debugging */
+	.rept 0xA00
+	FL_SECTION_ENTRY __base, 3, 0, 0, 0
+	.set __base, __base + 1
+	.endr
+
+	/* access is not allowed. */
+	.rept 0xC00 - 0xA00
+	.word 0x00000000
+	.endr
+
+	/* 128MB for SDRAM 0xC0000000 -> 0x50000000 */
+	.set __base, 0x500
+	.rept 0xC80 - 0xC00
+	FL_SECTION_ENTRY __base, 3, 0, 1, 1
+	.set __base, __base + 1
+	.endr
+
+	/* access is not allowed. */
+	.rept 0x1000 - 0xc80
+	.word 0x00000000
+	.endr
+#endif
diff --git a/board/samsung/mini6410/mini6410.c b/board/samsung/mini6410/mini6410.c
new file mode 100644
index 0000000..0db6f76
--- /dev/null
+++ b/board/samsung/mini6410/mini6410.c
@@ -0,0 +1,86 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger at sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller at elsoft.ch>
+ *
+ * (C) Copyright 2008
+ * Guennadi Liakhovetki, DENX Software Engineering, <lg at denx.de>
+ *
+ * (C) Copyright 2010
+ * Alex Ling, <kasimling at gmail.com>
+ *
+ * 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/arch/s3c6400.h>
+
+static inline void delay(unsigned long loops)
+{
+	__asm__ volatile ("1:\n" "subs %0, %1, #1\n"
+			  "bne 1b"
+			  : "=r" (loops) : "0" (loops));
+}
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+
+int board_init(void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	gd->bd->bi_arch_number = MACH_TYPE;
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+	return 0;
+}
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+	printf("Board:   MINI6410\n");
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_ENABLE_MMU
+ulong virt_to_phy_mini6410(ulong addr)
+{
+	if ((0xc0000000 <= addr) && (addr < 0xc8000000))
+		return addr - 0xc0000000 + 0x50000000;
+	else
+		printf("do not support this address : %08lx\n", addr);
+
+	return addr;
+}
+#endif
diff --git a/board/samsung/mini6410/u-boot-nand.lds b/board/samsung/mini6410/u-boot-nand.lds
new file mode 100644
index 0000000..29a4f61
--- /dev/null
+++ b/board/samsung/mini6410/u-boot-nand.lds
@@ -0,0 +1,62 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj at denx.de>
+ *
+ * (C) Copyright 2008
+ * Guennadi Liakhovetki, DENX Software Engineering, <lg at denx.de>
+ *
+ * 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      :
+	{
+	  arch/arm/cpu/arm1176/start.o	(.text)
+	  arch/arm/cpu/arm1176/s3c64xx/cpu_init.o	(.text)
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.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);
+	.mmudata : { *(.mmudata) }
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss : { *(.bss) . = ALIGN(4); }
+	_end = .;
+}
diff --git a/include/configs/mini6410.h b/include/configs/mini6410.h
new file mode 100644
index 0000000..3995970
--- /dev/null
+++ b/include/configs/mini6410.h
@@ -0,0 +1,296 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger at sysgo.de>
+ * Gary Jennejohn <garyj at denx.de>
+ * David Mueller <d.mueller at elsoft.ch>
+ *
+ * (C) Copyright 2010
+ * Alex Ling, <kasimling at gmail.com>
+ *
+ * Configuation settings for the FriendlyARM MINI6410 board.
+ *
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_S3C6400		1	/* in a SAMSUNG S3C6400 SoC     */
+#define CONFIG_S3C64XX		1	/* in a SAMSUNG S3C64XX Family  */
+#define CONFIG_MINI6410		1	/* on a FriendlyARM MINI6410 Board  */
+
+#define CONFIG_SKIP_RELOCATE_UBOOT
+
+#define CONFIG_PERIPORT_REMAP
+#define CONFIG_PERIPORT_BASE	0x70000000
+#define CONFIG_PERIPORT_SIZE	0x13
+
+#define CONFIG_SYS_SDRAM_BASE	0x50000000
+
+/* input clock of PLL: SMDK6400 has 12MHz input clock */
+#define CONFIG_SYS_CLK_FREQ	12000000
+
+#if !defined(CONFIG_NAND_SPL) && (TEXT_BASE >= 0xc0000000)
+#define CONFIG_ENABLE_MMU
+#endif
+
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_INITRD_TAG
+
+/*
+ * Architecture magic and machine type
+ */
+#define MACH_TYPE		2520
+
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 1024 * 1024)
+#define CONFIG_SYS_GBL_DATA_SIZE	128	/* size in bytes for initial data */
+
+/*
+ * Hardware drivers
+ */
+
+/*
+ * select serial console configuration
+ */
+#define CONFIG_SERIAL1          1	/* we use SERIAL 1 on MINI6410	*/
+
+#define CONFIG_SYS_HUSH_PARSER			/* use "hush" command parser	*/
+#ifdef CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
+#endif
+
+#define CONFIG_CMDLINE_EDITING
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_BAUDRATE		115200
+
+/***********************************************************
+ * Command definition
+ ***********************************************************/
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_REGINFO
+#define CONFIG_CMD_LOADS
+#define CONFIG_CMD_LOADB
+#define CONFIG_CMD_SAVEENV
+#define CONFIG_CMD_NAND
+#if defined(CONFIG_BOOT_ONENAND)
+#define CONFIG_CMD_ONENAND
+#endif
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_ELF
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_EXT2
+
+#undef CONFIG_CMD_IMLS
+#undef CONFIG_CMD_NET
+
+#define CONFIG_BOOTDELAY	3
+
+#define CONFIG_ZERO_BOOTDELAY_CHECK
+
+#if (CONFIG_COMMANDS & CONFIG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE	115200	/* speed to run kgdb serial port */
+#define CONFIG_KGDB_SER_INDEX	1	/* which serial port to use	 */
+#endif
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_LONGHELP				/* undef to save memory	      */
+#define CONFIG_SYS_PROMPT		"MINI6410 # "	/* Monitor Command Prompt     */
+#define CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size    */
+#define CONFIG_SYS_PBSIZE		384		/* Print Buffer Size          */
+#define CONFIG_SYS_MAXARGS		16		/* max number of command args */
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size  */
+
+#define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE	/* memtest works on	      */
+#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_SDRAM_BASE + 0x7e00000) /* 126MB in DRAM */
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_SDRAM_BASE	/* default load address	*/
+
+#define CONFIG_SYS_HZ			1000
+
+/* valid baudrates */
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+/*-----------------------------------------------------------------------
+ * Stack sizes
+ *
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE	0x40000		/* regular stack 256KB */
+
+/**********************************
+ Support Clock Settings
+ **********************************
+ Setting	SYNC	ASYNC
+ ----------------------------------
+ 667_133_66	 X	  O
+ 533_133_66	 O	  O
+ 400_133_66	 X	  O
+ 400_100_50	 O	  O
+ **********************************/
+
+/*#define CONFIG_CLK_667_133_66*/
+#define CONFIG_CLK_533_133_66
+/*
+#define CONFIG_CLK_400_100_50
+#define CONFIG_CLK_400_133_66
+#define CONFIG_SYNC_MODE
+*/
+
+/* SMDK6400 has 2 banks of DRAM, but we use only one in U-Boot */
+#define CONFIG_NR_DRAM_BANKS	1
+#define PHYS_SDRAM_1		CONFIG_SYS_SDRAM_BASE	/* SDRAM Bank #1	*/
+#define PHYS_SDRAM_1_SIZE	0x08000000	/* 128 MB in Bank #1	*/
+
+#define CONFIG_SYS_FLASH_BASE		0x10000000
+#define CONFIG_SYS_MONITOR_BASE	0x00000000
+
+/*-----------------------------------------------------------------------
+ * FLASH and environment organization
+ */
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_ENV_SIZE		0x4000	/* Total Size of Environment Sector */
+
+/*
+ * MINI6410 board specific data
+ */
+
+#define CONFIG_IDENT_STRING	" for MINI6410"
+
+/* base address for uboot */
+#define CONFIG_SYS_PHY_UBOOT_BASE	(CONFIG_SYS_SDRAM_BASE + 0x07e00000)
+/* total memory available to uboot */
+#define CONFIG_SYS_UBOOT_SIZE		(1024 * 1024)
+
+/* Put environment copies after the end of U-Boot owned RAM */
+#define CONFIG_NAND_ENV_DST	(CONFIG_SYS_UBOOT_BASE + CONFIG_SYS_UBOOT_SIZE)
+
+#ifdef CONFIG_ENABLE_MMU
+#define CONFIG_SYS_MAPPED_RAM_BASE	0xc0000000
+#define CONFIG_BOOTCOMMAND	"nand read 0xc0018000 0x60000 0x1c0000;" \
+				"bootm 0xc0018000"
+#else
+#define CONFIG_SYS_MAPPED_RAM_BASE	CONFIG_SYS_SDRAM_BASE
+#define CONFIG_BOOTCOMMAND	"nand read 0x50018000 0x60000 0x1c0000;" \
+				"bootm 0x50018000"
+#endif
+
+/* NAND U-Boot load and start address */
+#define CONFIG_SYS_UBOOT_BASE		(CONFIG_SYS_MAPPED_RAM_BASE + 0x07e00000)
+
+#define CONFIG_ENV_OFFSET		0x0040000
+
+/* NAND configuration */
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define CONFIG_SYS_NAND_BASE		0x70200010
+#define CONFIG_SYS_S3C_NAND_HWECC
+
+#define CONFIG_SYS_NAND_SKIP_BAD_DOT_I	1  /* ".i" read skips bad blocks	      */
+#define CONFIG_SYS_NAND_WP		1
+#define CONFIG_SYS_NAND_YAFFS_WRITE	1  /* support yaffs write		      */
+#define CONFIG_SYS_NAND_BBT_2NDPAGE	1  /* bad-block markers in 1st and 2nd pages  */
+
+#define CONFIG_SYS_NAND_U_BOOT_DST	CONFIG_SYS_PHY_UBOOT_BASE	/* NUB load-addr      */
+#define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_NAND_U_BOOT_DST	/* NUB start-addr     */
+
+#define CONFIG_SYS_NAND_U_BOOT_OFFS	(4 * 1024)	/* Offset to RAM U-Boot image */
+#define CONFIG_SYS_NAND_U_BOOT_SIZE	(252 * 1024)	/* Size of RAM U-Boot image   */
+
+/* NAND chip page size		*/
+#define CONFIG_SYS_NAND_PAGE_SIZE	2048
+/* NAND chip block size		*/
+#define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
+/* NAND chip page per block count  */
+#define CONFIG_SYS_NAND_PAGE_COUNT	64
+/* Location of the bad-block label */
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS	0
+/* Extra address cycle for > 128MiB */
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+
+/* Size of the block protected by one OOB (Spare Area in Samsung terminology) */
+#define CONFIG_SYS_NAND_ECCSIZE	CONFIG_SYS_NAND_PAGE_SIZE
+/* Number of ECC bytes per OOB - S3C6400 calculates 4 bytes ECC in 1-bit mode */
+#define CONFIG_SYS_NAND_ECCBYTES	4
+/* Number of ECC-blocks per NAND page */
+#define CONFIG_SYS_NAND_ECCSTEPS	(CONFIG_SYS_NAND_PAGE_SIZE / CONFIG_SYS_NAND_ECCSIZE)
+/* Size of a single OOB region */
+#define CONFIG_SYS_NAND_OOBSIZE	64
+/* Number of ECC bytes per page */
+#define CONFIG_SYS_NAND_ECCTOTAL	(CONFIG_SYS_NAND_ECCBYTES * CONFIG_SYS_NAND_ECCSTEPS)
+/* ECC byte positions */
+#define CONFIG_SYS_NAND_ECCPOS		{40, 41, 42, 43, 44, 45, 46, 47, \
+				 48, 49, 50, 51, 52, 53, 54, 55, \
+				 56, 57, 58, 59, 60, 61, 62, 63}
+
+/* Boot configuration (define only one of next 3) */
+#define CONFIG_BOOT_NAND
+/* None of these are currently implemented. Left from the original Samsung
+ * version for reference
+#define CONFIG_BOOT_NOR
+#define CONFIG_BOOT_MOVINAND
+#define CONFIG_BOOT_ONENAND
+*/
+
+#define CONFIG_NAND
+#define CONFIG_NAND_S3C64XX
+/* Unimplemented or unsupported. See comment above.
+#define CONFIG_ONENAND
+#define CONFIG_MOVINAND
+*/
+
+/* Settings as above boot configuration */
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_BOOTARGS		"console=ttySAC,115200"
+
+#if !defined(CONFIG_ENABLE_MMU)
+#define CONFIG_CMD_USB			1
+#define CONFIG_USB_S3C64XX
+#define CONFIG_USB_OHCI_NEW		1
+#define CONFIG_SYS_USB_OHCI_REGS_BASE		0x74300000
+#define CONFIG_SYS_USB_OHCI_SLOT_NAME		"s3c6400"
+#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	3
+#define CONFIG_SYS_USB_OHCI_CPU_INIT		1
+
+#define CONFIG_USB_STORAGE	1
+#endif
+#define CONFIG_DOS_PARTITION	1
+
+#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_ENABLE_MMU)
+# error "usb_ohci.c is currently broken with MMU enabled."
+#endif
+
+#endif	/* __CONFIG_H */
diff --git a/nand_spl/board/samsung/mini6410/Makefile b/nand_spl/board/samsung/mini6410/Makefile
new file mode 100644
index 0000000..bdf7b43
--- /dev/null
+++ b/nand_spl/board/samsung/mini6410/Makefile
@@ -0,0 +1,112 @@
+#
+# (C) Copyright 2006-2007
+# Stefan Roese, DENX Software Engineering, sr at denx.de.
+#
+# (C) Copyright 2008
+# Guennadi Liakhovetki, DENX Software Engineering, <lg at denx.de>
+#
+# (C) Copyright 2010
+# Alex Ling, <kasimling at gmail.com>
+#
+# 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
+#
+
+CONFIG_NAND_SPL	= y
+
+include $(TOPDIR)/config.mk
+include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk
+
+LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
+LDFLAGS	= -Bstatic -T $(nandobj)u-boot.lds -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
+AFLAGS	+= -DCONFIG_NAND_SPL
+CFLAGS	+= -DCONFIG_NAND_SPL
+
+SOBJS	= start.o cpu_init.o lowlevel_init.o
+COBJS	= nand_boot.o nand_ecc.o s3c64xx.o
+
+SRCS	:= $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+__OBJS	:= $(SOBJS) $(COBJS)
+LNDIR	:= $(OBJTREE)/nand_spl/board/$(BOARDDIR)
+
+nandobj	:= $(OBJTREE)/nand_spl/
+
+ALL	= $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
+
+all:	$(obj).depend $(ALL)
+
+$(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
+	$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@
+
+$(nandobj)u-boot-spl.bin:	$(nandobj)u-boot-spl
+	$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
+
+$(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot.lds
+	cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
+		-Map $(nandobj)u-boot-spl.map \
+		-o $(nandobj)u-boot-spl
+
+$(nandobj)u-boot.lds: $(LDSCRIPT)
+	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
+
+# create symbolic links for common files
+
+# from cpu directory
+$(obj)start.S:
+	@rm -f $@
+	@ln -s $(TOPDIR)/arch/arm/cpu/arm1176/start.S $@
+
+# from SoC directory
+$(obj)cpu_init.S:
+	@rm -f $@
+	@ln -s $(TOPDIR)/arch/arm/cpu/arm1176/s3c64xx/cpu_init.S $@
+
+# from board directory
+$(obj)lowlevel_init.S:
+	@rm -f $@
+	@ln -s $(TOPDIR)/board/samsung/mini6410/lowlevel_init.S $@
+
+# from nand_spl directory
+$(obj)nand_boot.c:
+	@rm -f $@
+	@ln -s $(TOPDIR)/nand_spl/nand_boot.c $@
+
+# from drivers/mtd/nand directory
+$(obj)nand_ecc.c:
+	@rm -f $@
+	@ln -s $(TOPDIR)/drivers/mtd/nand/nand_ecc.c $@
+
+$(obj)s3c64xx.c:
+	@rm -f $@
+	@ln -s $(TOPDIR)/drivers/mtd/nand/s3c64xx.c $@
+
+#########################################################################
+
+$(obj)%.o:	$(obj)%.S
+	$(CC) $(AFLAGS) -c -o $@ $<
+
+$(obj)%.o:	$(obj)%.c
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/nand_spl/board/samsung/mini6410/config.mk b/nand_spl/board/samsung/mini6410/config.mk
new file mode 100644
index 0000000..556fcb3
--- /dev/null
+++ b/nand_spl/board/samsung/mini6410/config.mk
@@ -0,0 +1,41 @@
+#
+# (C) Copyright 2006
+# Stefan Roese, DENX Software Engineering, sr at denx.de.
+#
+# 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
+#
+#
+# FriendlyARM MINI6410 development board, based on
+# Samsung S3C64xx Reference Platform (smdk6400) board
+
+# TEXT_BASE for SPL:
+#
+# On S3C64xx platforms the SPL is located in SRAM at 0.
+#
+# TEXT_BASE = 0
+
+include $(TOPDIR)/board/$(BOARDDIR)/config.mk
+
+# PAD_TO used to generate a 4kByte binary needed for the combined image
+# -> PAD_TO = TEXT_BASE + 4096
+PAD_TO	:= $(shell expr $$[$(TEXT_BASE) + 4096])
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
diff --git a/nand_spl/board/samsung/mini6410/u-boot.lds b/nand_spl/board/samsung/mini6410/u-boot.lds
new file mode 100644
index 0000000..3ac6aa1
--- /dev/null
+++ b/nand_spl/board/samsung/mini6410/u-boot.lds
@@ -0,0 +1,61 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj at denx.de>
+ *
+ * (C) Copyright 2008
+ * Guennadi Liakhovetki, DENX Software Engineering, <lg at denx.de>
+ *
+ * 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      :
+	{
+	  start.o	(.text)
+	  cpu_init.o	(.text)
+	  nand_boot.o	(.text)
+
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.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) . = ALIGN(4); }
+	_end = .;
+}
-- 
1.7.0.4



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