path: root/packages/uboot/u-boot-mkimage-openmoko-native/uboot-smdk2440.patch

Add support for the Samsung SMDK2440 development board

Index: u-boot/Makefile
===================================================================
--- u-boot.orig/Makefile
+++ u-boot/Makefile
@@ -2035,6 +2035,9 @@
 smdk2410_config	:	unconfig
 	@$(MKCONFIG) $(@:_config=) arm arm920t smdk2410 NULL s3c24x0
 
+smdk2440_config :	unconfig
+	@$(MKCONFIG) $(@:_config=) arm arm920t smdk2440 NULL s3c24x0
+
 SX1_config :		unconfig
 	@$(MKCONFIG) $(@:_config=) arm arm925t sx1
 
Index: u-boot/include/configs/smdk2440.h
===================================================================
--- /dev/null
+++ u-boot/include/configs/smdk2440.h
@@ -0,0 +1,296 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ * Gary Jennejohn <gj@denx.de>
+ * David Mueller <d.mueller@elsoft.ch>
+ *
+ * Configuation settings for the SAMSUNG SMDK2440 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
+
+#if 0
+/* If we want to start u-boot from usb bootloader in NOR flash */
+#define CONFIG_SKIP_RELOCATE_UBOOT	1
+#define	CONFIG_SKIP_LOWLEVEL_INIT	1
+#else
+/* If we want to start u-boot directly from within NAND flash */
+#define CONFIG_LL_INIT_NAND_ONLY
+#define CONFIG_S3C2410_NAND_BOOT	1
+#define CONFIG_S3C2410_NAND_SKIP_BAD	1
+#endif
+
+#define CFG_UBOOT_SIZE		0x40000 /* size of u-boot, for NAND loading */
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_ARM920T		1	/* This is an ARM920T Core	*/
+#define	CONFIG_S3C2440		1	/* in a SAMSUNG S3C2440 SoC     */
+#define CONFIG_SMDK2440		1	/* on a SAMSUNG SMDK2440 Board  */
+
+/* input clock of PLL */
+#define CONFIG_SYS_CLK_FREQ	16934400/* SMDK2440 has 16.9344MHz input clock */
+
+
+#define USE_920T_MMU		1
+#define CONFIG_USE_IRQ		1
+//#undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff */
+
+/*
+ * Size of malloc() pool
+ */
+#define CFG_MALLOC_LEN		(CFG_ENV_SIZE + 2048*1024)
+#define CFG_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */
+
+/*
+ * Hardware drivers
+ */
+#define CONFIG_DRIVER_CS8900	1	/* we have a CS8900 on-board */
+#define CS8900_BASE		0x19000300
+#define CS8900_BUS16		1 /* the Linux driver does accesses as shorts */
+
+/*
+ * select serial console configuration
+ */
+#define CONFIG_SERIAL1          1	/* we use SERIAL 1 on SMDK2440 */
+#define CONFIG_HWFLOW		1
+
+/************************************************************
+ * RTC
+ ************************************************************/
+#define	CONFIG_RTC_S3C24X0	1
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_BAUDRATE		115200
+
+/***********************************************************
+ * Command definition
+ ***********************************************************/
+#define CONFIG_COMMANDS \
+			(CONFIG_CMD_DFL	 | \
+			/*CFG_CMD_BSP	 | */ \
+			CFG_CMD_CACHE	 | \
+			CFG_CMD_DATE	 | \
+			/*CFG_CMD_DHCP	 | */ \
+			CFG_CMD_DIAG	 | \
+			CFG_CMD_ELF	 | \
+			CFG_CMD_EXT2	 | \
+			CFG_CMD_FAT	 | \
+			/*CFG_CMD_HWFLOW	 | */ \
+			/* CFG_CMD_IDE	 | */ \
+			/* CFG_CMD_IRQ	 | */ \
+			CFG_CMD_JFFS2	 | \
+			CFG_CMD_MMC	 | \
+			CFG_CMD_NAND	 | \
+			CFG_CMD_PING	 | \
+			CFG_CMD_PORTIO	 | \
+			CFG_CMD_REGINFO  | \
+			CFG_CMD_SAVES	 | \
+			CFG_CMD_USB)
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#define CONFIG_BOOTDELAY	3
+#define CONFIG_BOOTARGS    	"root=/dev/mtdblock4 rootfstype=jffs2 console=ttySAC2,115200 loglevel=8"
+#define CONFIG_ETHADDR		00:0c:20:02:0a:5b 
+#define CONFIG_NETMASK          255.255.255.0
+#define CONFIG_IPADDR		192.168.1.100
+#define CONFIG_SERVERIP		192.168.1.21
+/*#define CONFIG_BOOTFILE	"elinos-lart" */
+//#define CONFIG_BOOTCOMMAND	"nand read 0x32000000 0x34000 0x200000; bootm"
+#define CONFIG_BOOTCOMMAND	"nand read.e 0x32000000 0x100000 0x200000; bootm"
+
+#define CONFIG_DOS_PARTITION	1
+			
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE	115200		/* speed to run kgdb serial port */
+/* what's this ? it's not used anywhere */
+#define CONFIG_KGDB_SER_INDEX	1		/* which serial port to use */
+#endif
+
+/*
+ * Miscellaneous configurable options
+ */
+#define	CFG_LONGHELP				/* undef to save memory		*/
+#define	CFG_PROMPT		"SMDK2440 # "	/* Monitor Command Prompt	*/
+#define	CFG_CBSIZE		256		/* Console I/O Buffer Size	*/
+#define	CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define	CFG_MAXARGS		32		/* max number of command args	*/
+#define CFG_BARGSIZE		CFG_CBSIZE	/* Boot Argument Buffer Size	*/
+
+#define CFG_MEMTEST_START	0x30000000	/* memtest works on	*/
+#define CFG_MEMTEST_END		0x33F00000	/* 63 MB in DRAM	*/
+
+#undef  CFG_CLKS_IN_HZ		/* everything, incl board info, in Hz */
+
+#define	CFG_LOAD_ADDR		0x32000000	/* default load address	*/
+
+/* the PWM TImer 4 uses a counter of 15625 for 10 ms, so we need */
+/* it to wrap 100 times (total 1562500) to get 1 sec. */
+#define	CFG_HZ			1562500
+
+/* valid baudrates */
+#define CFG_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	(512*1024)	/* regular stack */
+#ifdef CONFIG_USE_IRQ
+#define CONFIG_STACKSIZE_IRQ	(8*1024)	/* IRQ stack */
+#define CONFIG_STACKSIZE_FIQ	(4*1024)	/* FIQ stack */
+#endif
+
+/* IDE/ATA config */
+
+#if 0
+#define CFG_IDE_MAXBUS		1
+#define CFG_IDE_MAXDEVICE	2
+#define CFG_IDE_PREINIT		0
+
+#define CFG_ATA_BASE_ADDR	
+#endif
+
+#define CONFIG_USB_OHCI		1
+
+#define CONFIG_USB_DEVICE	1
+#define CONFIG_USB_TTY		1
+#define CFG_CONSOLE_IS_IN_ENV	1
+#define CONFIG_USBD_VENDORID		0x1457	/* FIC */
+#define CONFIG_USBD_PRODUCTID_GSERIAL	0x5120	/* gserial */
+#define CONFIG_USBD_PRODUCTID_CDCACM	0x511b	/* SMDK2440 CDC ACM */
+#define CONFIG_USBD_MANUFACTURER	"OpenMoko, Inc."
+#define CONFIG_USBD_PRODUCT_NAME	"S3C2440 Bootloader " U_BOOT_VERSION
+#define CONFIG_EXTRA_ENV_SETTINGS	"usbtty=cdc_acm\0"
+#define CONFIG_USBD_DFU			1
+#define CONFIG_USBD_DFU_XFER_SIZE	4096
+#define CONFIG_USBD_DFU_INTERFACE	2
+
+/*-----------------------------------------------------------------------
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS	1	   /* we have 1 bank of DRAM */
+#define PHYS_SDRAM_1		0x30000000 /* SDRAM Bank #1 */
+#define PHYS_SDRAM_1_SIZE	0x04000000 /* 64 MB */
+
+#define PHYS_FLASH_1		0x00000000 /* Flash Bank #1 */
+
+#define CFG_FLASH_BASE		PHYS_FLASH_1
+
+/*-----------------------------------------------------------------------
+ * FLASH and environment organization
+ */
+
+#define CONFIG_AMD_LV400	1	/* uncomment this if you have a LV400 flash */
+#if 0
+#define CONFIG_AMD_LV800	1	/* uncomment this if you have a LV800 flash */
+#endif
+
+#define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks */
+#ifdef CONFIG_AMD_LV800
+#define PHYS_FLASH_SIZE		0x00100000 /* 1MB */
+#define CFG_MAX_FLASH_SECT	(19)	/* max number of sectors on one chip */
+#define CFG_ENV_ADDR		(CFG_FLASH_BASE + 0x0F0000) /* addr of environment */
+#endif
+#ifdef CONFIG_AMD_LV400
+#define PHYS_FLASH_SIZE		0x00080000 /* 512KB */
+#define CFG_MAX_FLASH_SECT	(11)	/* max number of sectors on one chip */
+#define CFG_ENV_ADDR		(CFG_FLASH_BASE + 0x070000) /* addr of environment */
+#endif
+
+/* timeout values are in ticks */
+#define CFG_FLASH_ERASE_TOUT	(5*CFG_HZ) /* Timeout for Flash Erase */
+#define CFG_FLASH_WRITE_TOUT	(5*CFG_HZ) /* Timeout for Flash Write */
+
+#define	CFG_ENV_IS_IN_NAND	1
+#define CFG_ENV_SIZE		0x20000		/* 128k Total Size of Environment Sector */
+#define CFG_ENV_OFFSET_OOB	1
+#define CFG_PREBOOT_OVERRIDE	1
+
+#define NAND_MAX_CHIPS		1
+#define CFG_NAND_BASE		0x4e000000
+#define CFG_MAX_NAND_DEVICE	1
+
+#define CONFIG_MMC		1
+#define CFG_MMC_BASE		0xff000000
+
+#define CONFIG_EXT2		1
+
+#define CONFIG_NEW_QT2440	0
+
+/* FAT driver in u-boot is broken currently */
+#define CONFIG_FAT		1
+#define CONFIG_SUPPORT_VFAT
+
+#if 1
+/* JFFS2 driver */
+#define CONFIG_JFFS2_CMDLINE	1
+#define CONFIG_JFFS2_NAND	1
+#define CONFIG_JFFS2_NAND_DEV	0
+//#define CONFIG_JFFS2_NAND_OFF		0x634000
+//#define CONFIG_JFFS2_NAND_SIZE	0x39cc000
+#endif
+
+/* ATAG configuration */
+#define CONFIG_INITRD_TAG		1
+#define CONFIG_SETUP_MEMORY_TAGS	1
+#define CONFIG_CMDLINE_TAG		1
+#if 0
+#define CONFIG_SERIAL_TAG		1
+#define CONFIG_REVISION_TAG		1
+#endif
+
+
+#if 0
+#define CONFIG_VIDEO
+#define CONFIG_VIDEO_S3C2410
+#define CONFIG_CFB_CONSOLE
+#define CONFIG_VIDEO_LOGO
+#define CONFIG_VGA_AS_SINGLE_DEVICE
+
+#define VIDEO_KBD_INIT_FCT	0
+#define VIDEO_TSTC_FCT		serial_tstc
+#define VIDEO_GETC_FCT		serial_getc
+
+#define LCD_VIDEO_ADDR		0x33d00000
+#endif
+
+#define CONFIG_S3C2410_NAND_BBT		1
+//#define CONFIG_S3C2410_NAND_HWECC	1
+
+#define CFG_NAND_YAFFS_WRITE
+#define CFG_NAND_YAFFS1_NEW_OOB_LAYOUT
+
+#define MTDIDS_DEFAULT		"nand0=smdk2440-nand"
+#define MTPARTS_DEFAULT		"smdk2440-nand:0x00100000(u-boot),0x00200000(kernel),0x00200000(update),0x00100000(splash),0x01400000(jffs2),-(temp)"
+#define CFG_NAND_DYNPART_MTD_KERNEL_NAME "smdk2440-nand"
+#define CONFIG_NAND_DYNPART
+
+#endif	/* __CONFIG_H */
Index: u-boot/include/configs/smdk2440nand.h
===================================================================
--- /dev/null
+++ u-boot/include/configs/smdk2440nand.h
@@ -0,0 +1,47 @@
+/*
+ * (C) Copyright 2004 
+ *  Samsung Electronics  : SW.LEE <hitchcar@samsung.com>
+ *
+ * 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.
+ *
+ */
+
+#ifndef __SMDK2440_NAND_H
+#define __SMDK2440_NAND_H
+
+#define CFG_ENV_NAND_BLOCK     8
+
+#if 0 //old flash
+#define NAND_OOB_SIZE           (16)
+#define NAND_PAGES_IN_BLOCK     (32)
+#define NAND_PAGE_SIZE          (512)
+
+#define NAND_BLOCK_SIZE         (NAND_PAGE_SIZE*NAND_PAGES_IN_BLOCK)
+#define NAND_BLOCK_MASK         (NAND_BLOCK_SIZE - 1)
+#define NAND_PAGE_MASK          (NAND_PAGE_SIZE - 1)
+#else	//new flash
+#define NAND_OOB_SIZE           (64)
+#define NAND_PAGES_IN_BLOCK     (64)
+#define NAND_PAGE_SIZE          (2048)
+
+#define NAND_BLOCK_SIZE         (NAND_PAGE_SIZE*NAND_PAGES_IN_BLOCK)
+#define NAND_BLOCK_MASK         (NAND_BLOCK_SIZE - 1)
+#define NAND_PAGE_MASK          (NAND_PAGE_SIZE - 1)
+
+#endif
+
+
+
+//#define NAND_3_ADDR_CYCLE	1
+//#define S3C24X0_16BIT_NAND	1
+
+#ifdef KINGFISH
+#undef S3C24X0_16BIT_NAND	
+#define S3C24X0_16BIT_NAND	1
+#endif
+
+#endif	
+
Index: u-boot/board/smdk2440/Makefile
===================================================================
--- /dev/null
+++ u-boot/board/smdk2440/Makefile
@@ -0,0 +1,67 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	:= smdk2440.o flash.o udc.o
+SOBJS	:= lowlevel_init.o
+
+.PHONY:	all
+
+all:	$(LIB) lowlevel_foo.bin
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+lowlevel_foo.o:	lowlevel_foo.S
+	$(CC) -c -DTEXT_BASE=0x33F80000 -march=armv4 \
+	  -o lowlevel_foo.o lowlevel_foo.S
+
+lowlevel_foo:	lowlevel_foo.o lowlevel_init.o lowlevel_foo.lds
+	$(LD) -T ./lowlevel_foo.lds -Ttext 0x33f80000 -Bstatic \
+	  lowlevel_init.o lowlevel_foo.o -o lowlevel_foo
+
+lowlevel_foo.bin:	lowlevel_foo
+	$(CROSS_COMPILE)objcopy --gap-fill=0xff -O binary \
+	  lowlevel_foo lowlevel_foo.bin
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
Index: u-boot/board/smdk2440/config.mk
===================================================================
--- /dev/null
+++ u-boot/board/smdk2440/config.mk
@@ -0,0 +1,29 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+# David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+#
+# SAMSUNG SMDK2440 board with S3C2440 (ARM920T) cpu
+#
+# see http://www.samsung.com/ for more information on SAMSUNG
+#
+
+CONFIG_USB_DFU_VENDOR=0x1457
+CONFIG_USB_DFU_PRODUCT=0x511b
+CONFIG_USB_DFU_REVISION=0x0100
+
+#
+# SMDK2440 has 1 bank of 64 MB DRAM
+#
+# 3000'0000 to 3400'0000
+#
+# Linux-Kernel is expected to be at 3000'8000, entry 3000'8000
+# optionally with a ramdisk at 3080'0000
+#
+# we load ourself to 33F8'0000
+#
+# download area is 3300'0000
+#
+
+
+TEXT_BASE = 0x33F80000
Index: u-boot/board/smdk2440/flash.c
===================================================================
--- /dev/null
+++ u-boot/board/smdk2440/flash.c
@@ -0,0 +1,433 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.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
+ */
+
+#include <common.h>
+
+ulong myflush (void);
+
+
+#define FLASH_BANK_SIZE	PHYS_FLASH_SIZE
+#define MAIN_SECT_SIZE  0x10000	/* 64 KB */
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+
+#define CMD_READ_ARRAY		0x000000F0
+#define CMD_UNLOCK1		0x000000AA
+#define CMD_UNLOCK2		0x00000055
+#define CMD_ERASE_SETUP		0x00000080
+#define CMD_ERASE_CONFIRM	0x00000030
+#define CMD_PROGRAM		0x000000A0
+#define CMD_UNLOCK_BYPASS	0x00000020
+
+#define MEM_FLASH_ADDR1		(*(volatile u16 *)(CFG_FLASH_BASE + (0x00000555 << 1)))
+#define MEM_FLASH_ADDR2		(*(volatile u16 *)(CFG_FLASH_BASE + (0x000002AA << 1)))
+
+#define BIT_ERASE_DONE		0x00000080
+#define BIT_RDY_MASK		0x00000080
+#define BIT_PROGRAM_ERROR	0x00000020
+#define BIT_TIMEOUT		0x80000000	/* our flag */
+
+#define READY 1
+#define ERR   2
+#define TMO   4
+
+/*-----------------------------------------------------------------------
+ */
+
+ulong flash_init (void)
+{
+	int i, j;
+	ulong size = 0;
+
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+		ulong flashbase = 0;
+
+		flash_info[i].flash_id =
+#if defined(CONFIG_AMD_LV400)
+			(AMD_MANUFACT & FLASH_VENDMASK) |
+			(AMD_ID_LV400B & FLASH_TYPEMASK);
+#elif defined(CONFIG_AMD_LV800)
+			(AMD_MANUFACT & FLASH_VENDMASK) |
+			(AMD_ID_LV800B & FLASH_TYPEMASK);
+#else
+#error "Unknown flash configured"
+#endif
+			flash_info[i].size = FLASH_BANK_SIZE;
+		flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
+		memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
+		if (i == 0)
+			flashbase = PHYS_FLASH_1;
+		else
+			panic ("configured too many flash banks!\n");
+		for (j = 0; j < flash_info[i].sector_count; j++) {
+			if (j <= 3) {
+				/* 1st one is 16 KB */
+				if (j == 0) {
+					flash_info[i].start[j] =
+						flashbase + 0;
+				}
+
+				/* 2nd and 3rd are both 8 KB */
+				if ((j == 1) || (j == 2)) {
+					flash_info[i].start[j] =
+						flashbase + 0x4000 + (j -
+								      1) *
+						0x2000;
+				}
+
+				/* 4th 32 KB */
+				if (j == 3) {
+					flash_info[i].start[j] =
+						flashbase + 0x8000;
+				}
+			} else {
+				flash_info[i].start[j] =
+					flashbase + (j - 3) * MAIN_SECT_SIZE;
+			}
+		}
+		size += flash_info[i].size;
+	}
+
+	flash_protect (FLAG_PROTECT_SET,
+		       CFG_FLASH_BASE,
+		       CFG_FLASH_BASE + monitor_flash_len - 1,
+		       &flash_info[0]);
+
+	flash_protect (FLAG_PROTECT_SET,
+		       CFG_ENV_ADDR,
+		       CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]);
+
+	return size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t * info)
+{
+	int i;
+
+	switch (info->flash_id & FLASH_VENDMASK) {
+	case (AMD_MANUFACT & FLASH_VENDMASK):
+		printf ("AMD: ");
+		break;
+	default:
+		printf ("Unknown Vendor ");
+		break;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case (AMD_ID_LV400B & FLASH_TYPEMASK):
+		printf ("1x Amd29LV400BB (4Mbit)\n");
+		break;
+	case (AMD_ID_LV800B & FLASH_TYPEMASK):
+		printf ("1x Amd29LV800BB (8Mbit)\n");
+		break;
+	default:
+		printf ("Unknown Chip Type\n");
+		goto Done;
+		break;
+	}
+
+	printf ("  Size: %ld MB in %d Sectors\n",
+		info->size >> 20, info->sector_count);
+
+	printf ("  Sector Start Addresses:");
+	for (i = 0; i < info->sector_count; i++) {
+		if ((i % 5) == 0) {
+			printf ("\n   ");
+		}
+		printf (" %08lX%s", info->start[i],
+			info->protect[i] ? " (RO)" : "     ");
+	}
+	printf ("\n");
+
+      Done:;
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+	ushort result;
+	int iflag, cflag, prot, sect;
+	int rc = ERR_OK;
+	int chip;
+
+	/* first look for protection bits */
+
+	if (info->flash_id == FLASH_UNKNOWN)
+		return ERR_UNKNOWN_FLASH_TYPE;
+
+	if ((s_first < 0) || (s_first > s_last)) {
+		return ERR_INVAL;
+	}
+
+	if ((info->flash_id & FLASH_VENDMASK) !=
+	    (AMD_MANUFACT & FLASH_VENDMASK)) {
+		return ERR_UNKNOWN_FLASH_VENDOR;
+	}
+
+	prot = 0;
+	for (sect = s_first; sect <= s_last; ++sect) {
+		if (info->protect[sect]) {
+			prot++;
+		}
+	}
+	if (prot)
+		return ERR_PROTECTED;
+
+	/*
+	 * Disable interrupts which might cause a timeout
+	 * here. Remember that our exception vectors are
+	 * at address 0 in the flash, and we don't want a
+	 * (ticker) exception to happen while the flash
+	 * chip is in programming mode.
+	 */
+	cflag = icache_status ();
+	icache_disable ();
+	iflag = disable_interrupts ();
+
+	/* Start erase on unprotected sectors */
+	for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
+		printf ("Erasing sector %2d ... ", sect);
+
+		/* arm simple, non interrupt dependent timer */
+		reset_timer_masked ();
+
+		if (info->protect[sect] == 0) {	/* not protected */
+			vu_short *addr = (vu_short *) (info->start[sect]);
+
+			MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+			MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+			MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
+
+			MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+			MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+			*addr = CMD_ERASE_CONFIRM;
+
+			/* wait until flash is ready */
+			chip = 0;
+
+			do {
+				result = *addr;
+
+				/* check timeout */
+				if (get_timer_masked () >
+				    CFG_FLASH_ERASE_TOUT) {
+					MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+					chip = TMO;
+					break;
+				}
+
+				if (!chip
+				    && (result & 0xFFFF) & BIT_ERASE_DONE)
+					chip = READY;
+
+				if (!chip
+				    && (result & 0xFFFF) & BIT_PROGRAM_ERROR)
+					chip = ERR;
+
+			} while (!chip);
+
+			MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+
+			if (chip == ERR) {
+				rc = ERR_PROG_ERROR;
+				goto outahere;
+			}
+			if (chip == TMO) {
+				rc = ERR_TIMOUT;
+				goto outahere;
+			}
+
+			printf ("ok.\n");
+		} else {	/* it was protected */
+
+			printf ("protected!\n");
+		}
+	}
+
+	if (ctrlc ())
+		printf ("User Interrupt!\n");
+
+      outahere:
+	/* allow flash to settle - wait 10 ms */
+	udelay_masked (10000);
+
+	if (iflag)
+		enable_interrupts ();
+
+	if (cflag)
+		icache_enable ();
+
+	return rc;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash
+ */
+
+volatile static int write_hword (flash_info_t * info, ulong dest, ushort data)
+{
+	vu_short *addr = (vu_short *) dest;
+	ushort result;
+	int rc = ERR_OK;
+	int cflag, iflag;
+	int chip;
+
+	/*
+	 * Check if Flash is (sufficiently) erased
+	 */
+	result = *addr;
+	if ((result & data) != data)
+		return ERR_NOT_ERASED;
+
+
+	/*
+	 * Disable interrupts which might cause a timeout
+	 * here. Remember that our exception vectors are
+	 * at address 0 in the flash, and we don't want a
+	 * (ticker) exception to happen while the flash
+	 * chip is in programming mode.
+	 */
+	cflag = icache_status ();
+	icache_disable ();
+	iflag = disable_interrupts ();
+
+	MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+	MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+	MEM_FLASH_ADDR1 = CMD_UNLOCK_BYPASS;
+	*addr = CMD_PROGRAM;
+	*addr = data;
+
+	/* arm simple, non interrupt dependent timer */
+	reset_timer_masked ();
+
+	/* wait until flash is ready */
+	chip = 0;
+	do {
+		result = *addr;
+
+		/* check timeout */
+		if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) {
+			chip = ERR | TMO;
+			break;
+		}
+		if (!chip && ((result & 0x80) == (data & 0x80)))
+			chip = READY;
+
+		if (!chip && ((result & 0xFFFF) & BIT_PROGRAM_ERROR)) {
+			result = *addr;
+
+			if ((result & 0x80) == (data & 0x80))
+				chip = READY;
+			else
+				chip = ERR;
+		}
+
+	} while (!chip);
+
+	*addr = CMD_READ_ARRAY;
+
+	if (chip == ERR || *addr != data)
+		rc = ERR_PROG_ERROR;
+
+	if (iflag)
+		enable_interrupts ();
+
+	if (cflag)
+		icache_enable ();
+
+	return rc;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash.
+ */
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+	ulong cp, wp;
+	int l;
+	int i, rc;
+	ushort data;
+
+	wp = (addr & ~1);	/* get lower word aligned address */
+
+	/*
+	 * handle unaligned start bytes
+	 */
+	if ((l = addr - wp) != 0) {
+		data = 0;
+		for (i = 0, cp = wp; i < l; ++i, ++cp) {
+			data = (data >> 8) | (*(uchar *) cp << 8);
+		}
+		for (; i < 2 && cnt > 0; ++i) {
+			data = (data >> 8) | (*src++ << 8);
+			--cnt;
+			++cp;
+		}
+		for (; cnt == 0 && i < 2; ++i, ++cp) {
+			data = (data >> 8) | (*(uchar *) cp << 8);
+		}
+
+		if ((rc = write_hword (info, wp, data)) != 0) {
+			return (rc);
+		}
+		wp += 2;
+	}
+
+	/*
+	 * handle word aligned part
+	 */
+	while (cnt >= 2) {
+		data = *((vu_short *) src);
+		if ((rc = write_hword (info, wp, data)) != 0) {
+			return (rc);
+		}
+		src += 2;
+		wp += 2;
+		cnt -= 2;
+	}
+
+	if (cnt == 0) {
+		return ERR_OK;
+	}
+
+	/*
+	 * handle unaligned tail bytes
+	 */
+	data = 0;
+	for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) {
+		data = (data >> 8) | (*src++ << 8);
+		--cnt;
+	}
+	for (; i < 2; ++i, ++cp) {
+		data = (data >> 8) | (*(uchar *) cp << 8);
+	}
+
+	return write_hword (info, wp, data);
+}
Index: u-boot/board/smdk2440/lowlevel_init.S
===================================================================
--- /dev/null
+++ u-boot/board/smdk2440/lowlevel_init.S
@@ -0,0 +1,167 @@
+/*
+ * Memory Setup stuff - taken from blob memsetup.S
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
+ *                     Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
+ *
+ * Modified for the Samsung SMDK2410 by
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * 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>
+
+
+/* some parameters for the board */
+
+/*
+ *
+ * Taken from linux/arch/arm/boot/compressed/head-s3c2410.S
+ *
+ * Copyright (C) 2002 Samsung Electronics SW.LEE  <hitchcar@sec.samsung.com>
+ *
+ */
+
+#define BWSCON	0x48000000
+
+/* BWSCON */
+#define DW8		 	(0x0)
+#define DW16		 	(0x1)
+#define DW32		 	(0x2)
+#define WAIT		 	(0x1<<2)
+#define UBLB		 	(0x1<<3)
+
+#define B1_BWSCON	  	(DW32)
+#define B2_BWSCON	  	(DW16)
+#define B3_BWSCON	  	(DW16 + WAIT + UBLB)
+#define B4_BWSCON	  	(DW16)
+#define B5_BWSCON	  	(DW16)
+#define B6_BWSCON	  	(DW32)
+#define B7_BWSCON	  	(DW32)
+
+/* BANK0CON */
+#define B0_Tacs		 	0x0	/*  0clk */
+#define B0_Tcos		 	0x0	/*  0clk */
+#define B0_Tacc		 	0x7	/* 14clk */
+#define B0_Tcoh		 	0x0	/*  0clk */
+#define B0_Tah		 	0x0	/*  0clk */
+#define B0_Tacp		 	0x0
+#define B0_PMC		 	0x0	/* normal */
+
+/* BANK1CON */
+#define B1_Tacs		 	0x0	/*  0clk */
+#define B1_Tcos		 	0x0	/*  0clk */
+#define B1_Tacc		 	0x7	/* 14clk */
+#define B1_Tcoh		 	0x0	/*  0clk */
+#define B1_Tah		 	0x0	/*  0clk */
+#define B1_Tacp		 	0x0
+#define B1_PMC		 	0x0
+
+#define B2_Tacs		 	0x0
+#define B2_Tcos		 	0x0
+#define B2_Tacc		 	0x7
+#define B2_Tcoh		 	0x0
+#define B2_Tah		 	0x0
+#define B2_Tacp		 	0x0
+#define B2_PMC		 	0x0
+
+#define B3_Tacs		 	0x0	/*  0clk */
+#define B3_Tcos		 	0x3	/*  4clk */
+#define B3_Tacc		 	0x7	/* 14clk */
+#define B3_Tcoh		 	0x1	/*  1clk */
+#define B3_Tah		 	0x0	/*  0clk */
+#define B3_Tacp		 	0x3     /*  6clk */
+#define B3_PMC		 	0x0	/* normal */
+
+#define B4_Tacs		 	0x0	/*  0clk */
+#define B4_Tcos		 	0x0	/*  0clk */
+#define B4_Tacc		 	0x7	/* 14clk */
+#define B4_Tcoh		 	0x0	/*  0clk */
+#define B4_Tah		 	0x0	/*  0clk */
+#define B4_Tacp		 	0x0
+#define B4_PMC		 	0x0	/* normal */
+
+#define B5_Tacs		 	0x0	/*  0clk */
+#define B5_Tcos		 	0x0	/*  0clk */
+#define B5_Tacc		 	0x7	/* 14clk */
+#define B5_Tcoh		 	0x0	/*  0clk */
+#define B5_Tah		 	0x0	/*  0clk */
+#define B5_Tacp		 	0x0
+#define B5_PMC		 	0x0	/* normal */
+
+#define B6_MT		 	0x3	/* SDRAM */
+#define B6_Trcd	 	 	0x1
+#define B6_SCAN		 	0x1	/* 9bit */
+
+#define B7_MT		 	0x3	/* SDRAM */
+#define B7_Trcd		 	0x1	/* 3clk */
+#define B7_SCAN		 	0x1	/* 9bit */
+
+/* REFRESH parameter */
+#define REFEN		 	0x1	/* Refresh enable */
+#define TREFMD		 	0x0	/* CBR(CAS before RAS)/Auto refresh */
+#define Trp		 	0x0	/* 2clk */
+#define Trc		 	0x3	/* 7clk */
+#define Tchr		 	0x2	/* 3clk */
+#define REFCNT		 	1113	/* period=15.6us, HCLK=60Mhz, (2048+1-15.6*60) */
+/**************************************/
+
+_TEXT_BASE:
+	.word	TEXT_BASE
+
+.globl lowlevel_init
+lowlevel_init:
+	/* memory control configuration */
+	/* make r0 relative the current location so that it */
+	/* reads SMRDATA out of FLASH rather than memory ! */
+	ldr     r0, =SMRDATA
+	ldr	r1, _TEXT_BASE
+	sub	r0, r0, r1
+	ldr	r1, =BWSCON	/* Bus Width Status Controller */
+	add     r2, r0, #13*4
+0:
+	ldr     r3, [r0], #4
+	str     r3, [r1], #4
+	cmp     r2, r0
+	bne     0b
+
+	/* everything is fine now */
+	mov	pc, lr
+
+	.ltorg
+/* the literal pools origin */
+
+SMRDATA:
+    .word (0+(B1_BWSCON<<4)+(B2_BWSCON<<8)+(B3_BWSCON<<12)+(B4_BWSCON<<16)+(B5_BWSCON<<20)+(B6_BWSCON<<24)+(B7_BWSCON<<28))
+    .word ((B0_Tacs<<13)+(B0_Tcos<<11)+(B0_Tacc<<8)+(B0_Tcoh<<6)+(B0_Tah<<4)+(B0_Tacp<<2)+(B0_PMC))
+    .word ((B1_Tacs<<13)+(B1_Tcos<<11)+(B1_Tacc<<8)+(B1_Tcoh<<6)+(B1_Tah<<4)+(B1_Tacp<<2)+(B1_PMC))
+    .word ((B2_Tacs<<13)+(B2_Tcos<<11)+(B2_Tacc<<8)+(B2_Tcoh<<6)+(B2_Tah<<4)+(B2_Tacp<<2)+(B2_PMC))
+    .word ((B3_Tacs<<13)+(B3_Tcos<<11)+(B3_Tacc<<8)+(B3_Tcoh<<6)+(B3_Tah<<4)+(B3_Tacp<<2)+(B3_PMC))
+    .word ((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC))
+    .word ((B5_Tacs<<13)+(B5_Tcos<<11)+(B5_Tacc<<8)+(B5_Tcoh<<6)+(B5_Tah<<4)+(B5_Tacp<<2)+(B5_PMC))
+    .word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN))
+    .word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN))
+    .word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT)
+    .word 0x32
+    .word 0x30
+    .word 0x30
Index: u-boot/board/smdk2440/smdk2440.c
===================================================================
--- /dev/null
+++ u-boot/board/smdk2440/smdk2440.c
@@ -0,0 +1,152 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * 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 <s3c2440.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define FCLK_SPEED 1
+
+#if FCLK_SPEED==0		/* Fout = 203MHz, Fin = 12MHz for Audio */
+#define M_MDIV	0xC3
+#define M_PDIV	0x4
+#define M_SDIV	0x1
+#elif FCLK_SPEED==1		/* Fout = 399.65MHz */
+#define M_MDIV	0x6e
+#define M_PDIV	0x3
+#define M_SDIV	0x1
+#endif
+
+#define USB_CLOCK 1
+
+#if USB_CLOCK==0
+#define U_M_MDIV	0xA1
+#define U_M_PDIV	0x3
+#define U_M_SDIV	0x1
+#elif USB_CLOCK==1
+#define U_M_MDIV	0x3c
+#define U_M_PDIV	0x4
+#define U_M_SDIV	0x2
+#endif
+
+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)
+{
+	S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
+	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+	/* to reduce PLL lock time, adjust the LOCKTIME register */
+	clk_power->LOCKTIME = 0xFFFFFF;
+
+	/* configure MPLL */
+	clk_power->MPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
+
+	/* some delay between MPLL and UPLL */
+	delay (4000);
+
+	/* configure UPLL */
+	clk_power->UPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
+
+	/* some delay between MPLL and UPLL */
+	delay (8000);
+
+	/* set up the I/O ports */
+	gpio->GPACON = 0x007FFFFF;
+	gpio->GPBCON = 0x002a9655;
+	gpio->GPBUP = 0x000007FF;
+	gpio->GPCCON = 0xAAAAAAAA;
+	gpio->GPCUP = 0x0000FFFF;
+	gpio->GPDCON = 0xAAAAAAAA;
+	gpio->GPDUP = 0x0000FFFF;
+	gpio->GPECON = 0xAAAAAAAA;
+	gpio->GPEUP = 0x0000FFFF;
+	gpio->GPFCON = 0x000055AA;
+	gpio->GPFUP = 0x000000FF;
+	gpio->GPGCON = 0xFD95FFBA;
+	gpio->GPGUP = 0x0000FFFF;
+#ifdef CONFIG_SERIAL3
+	gpio->GPHCON = 0x002AAAAA;
+#else
+	gpio->GPHCON = 0x002AFAAA;
+#endif
+	gpio->GPHUP = 0x000007FF;
+
+	gpio->GPJCON = 0x2AAAAAA;
+
+#if 0
+	/* USB Device Part */
+	/*GPGCON is reset for USB Device */
+	gpio->GPGCON = (gpio->GPGCON & ~(3 << 24)) | (1 << 24); /* Output Mode */
+	gpio->GPGUP = gpio->GPGUP | ( 1 << 12);			/* Pull up disable */
+
+	gpio->GPGDAT |= ( 1 << 12) ; 
+	gpio->GPGDAT &= ~( 1 << 12) ; 
+	udelay(20000);
+	gpio->GPGDAT |= ( 1 << 12) ; 
+#endif
+
+	/* arch number of SMDK2440-Board */
+	gd->bd->bi_arch_number = MACH_TYPE_S3C2440;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = 0x30000100;
+
+	icache_enable();
+	dcache_enable();
+
+	return 0;
+}
+
+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;
+}
+
+/* The sum of all part_size[]s must equal to the NAND size, i.e., 0x4000000.
+   "initrd" is sized such that it can hold two uncompressed 16 bit 640*480
+   images: 640*480*2*2 = 1228800 < 1245184. */
+
+unsigned int dynpart_size[] = {
+    CFG_UBOOT_SIZE, 0x20000, 0x200000, 0xa0000, 0x3d5c000-CFG_UBOOT_SIZE, 0 };
+char *dynpart_names[] = {
+    "u-boot", "u-boot_env", "kernel", "splash", "rootfs", NULL };
+
+
Index: u-boot/board/smdk2440/u-boot.lds
===================================================================
--- /dev/null
+++ u-boot/board/smdk2440/u-boot.lds
@@ -0,0 +1,58 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@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_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text      :
+	{
+	  cpu/arm920t/start.o	(.text)
+	  cpu/arm920t/s3c24x0/nand_read.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 = .;
+}
Index: u-boot/board/smdk2440/udc.c
===================================================================
--- /dev/null
+++ u-boot/board/smdk2440/udc.c
@@ -0,0 +1,23 @@
+
+#include <common.h>
+#include <usbdcore.h>
+#include <s3c2440.h>
+
+void udc_ctrl(enum usbd_event event, int param)
+{
+	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+	switch (event) {
+	case UDC_CTRL_PULLUP_ENABLE:
+		if (param)
+			gpio->GPGDAT |= (1 << 12);
+		else
+			gpio->GPGDAT &= ~(1 << 12);
+		break;
+	case UDC_CTRL_500mA_ENABLE:
+		/* IGNORE */
+		break;
+	default:
+		break;
+	}
+}
Index: u-boot/board/smdk2440/lowlevel_foo.S
===================================================================
--- /dev/null
+++ u-boot/board/smdk2440/lowlevel_foo.S
@@ -0,0 +1,82 @@
+
+_start:
+	b 	reset
+undefvec:
+	b	undefvec
+swivec:
+	b	swivec
+pabtvec:
+	b	pabtvec
+dabtvec:
+	b	dabtvec
+rsvdvec:
+	b	rsvdvec
+irqvec:
+	b	irqvec
+fiqvec:
+	b	fiqvec
+
+reset:
+	/*
+	 * set the cpu to SVC32 mode
+	 */
+	mrs	r0,cpsr
+	bic	r0,r0,#0x1f
+	orr	r0,r0,#0xd3
+	msr	cpsr,r0
+
+/* turn off the watchdog */
+#define pWTCON		0x53000000
+#define INTMSK		0x4A000008	/* Interupt-Controller base addresses */
+#define INTSUBMSK	0x4A00001C
+#define CLKDIVN	0x4C000014	/* clock divisor register */
+
+	ldr     r0, =pWTCON
+	mov     r1, #0x0
+	str     r1, [r0]
+
+	mov	r1, #0xffffffff
+	ldr	r0, =INTMSK
+	str	r1, [r0]
+	ldr	r1, =0x3ff
+	ldr	r0, =INTSUBMSK
+	str	r1, [r0]
+
+	/* FCLK:HCLK:PCLK = 1:2:4 */
+	/* default FCLK is 120 MHz ! */
+	ldr	r0, =CLKDIVN
+	mov	r1, #3
+	str	r1, [r0]
+
+	bl	cpu_init_crit
+	ldr	r0,=TEXT_BASE
+	mov	pc, r0
+
+cpu_init_crit:
+	/*
+	 * flush v4 I/D caches
+	 */
+	mov	r0, #0
+	mcr	p15, 0, r0, c7, c7, 0	/* flush v3/v4 cache */
+	mcr	p15, 0, r0, c8, c7, 0	/* flush v4 TLB */
+
+	/*
+	 * disable MMU stuff and caches
+	 */
+	mrc	p15, 0, r0, c1, c0, 0
+	bic	r0, r0, #0x00002300	@ clear bits 13, 9:8 (--V- --RS)
+	bic	r0, r0, #0x00000087	@ clear bits 7, 2:0 (B--- -CAM)
+	orr	r0, r0, #0x00000002	@ set bit 2 (A) Align
+	orr	r0, r0, #0x00001000	@ set bit 12 (I) I-Cache
+	mcr	p15, 0, r0, c1, c0, 0
+
+	/*
+	 * before relocating, we have to setup RAM timing
+	 * because memory timing is board-dependend, you will
+	 * find a lowlevel_init.S in your board directory.
+	 */
+	mov	ip, lr
+	bl	lowlevel_init
+	mov	lr, ip
+	mov	pc, lr
+
Index: u-boot/board/smdk2440/lowlevel_foo.lds
===================================================================
--- /dev/null
+++ u-boot/board/smdk2440/lowlevel_foo.lds
@@ -0,0 +1,56 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@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      :
+	{
+	  lowlevel_foo.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 = .;
+}