diff --git a/include/configs/grsim_leon2.h b/include/configs/grsim_leon2.h
new file mode 100644
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+++ b/include/configs/grsim_leon2.h
@@ -0,0 +1,349 @@
+/* Configuration header file for LEON2 GRSIM.
+ *
+ * (C) Copyright 2003-2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2007
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.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
+ */
+
+#ifndef __CONFIG_H__
+#define __CONFIG_H__
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ *
+ * Select between TSIM or GRSIM by setting CONFIG_GRSIM or CONFIG_TSIM to 1.
+ *
+ * TSIM command
+ *  tsim-leon -sdram 0 -ram 32000 -rom 8192 -mmu
+ *
+ */
+
+#define CONFIG_LEON2		/* This is an LEON2 CPU */
+#define CONFIG_LEON		1	/* This is an LEON CPU */
+#define CONFIG_GRSIM		0	/* ... not running on GRSIM */
+#define CONFIG_TSIM		1	/* ... running on TSIM */
+
+/* CPU / AMBA BUS configuration */
+#define CONFIG_SYS_CLK_FREQ 	40000000	/* 40MHz */
+
+/* Number of SPARC register windows */
+#define CFG_SPARC_NWINDOWS 8
+
+/*
+ * Serial console configuration
+ */
+#define CONFIG_BAUDRATE		38400	/* ... at 38400 bps */
+#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }
+
+/* Partitions */
+#define CONFIG_DOS_PARTITION
+#define CONFIG_MAC_PARTITION
+#define CONFIG_ISO_PARTITION
+
+/*
+ * Supported commands
+ */
+#define CONFIG_CMD_AUTOSCRIPT	/* Autoscript Support           */
+#define CONFIG_CMD_BDI		/* bdinfo                       */
+#define CONFIG_CMD_CONSOLE	/* coninfo                      */
+#define CONFIG_CMD_DIAG
+#define CONFIG_CMD_ECHO		/* echo arguments               */
+#define CONFIG_CMD_FPGA		/* FPGA configuration Support   */
+#define CONFIG_CMD_IRQ
+#define CONFIG_CMD_ITEST	/* Integer (and string) test    */
+#define CONFIG_CMD_LOADB	/* loadb                        */
+#define CONFIG_CMD_LOADS	/* loads                        */
+#define CONFIG_CMD_MISC		/* Misc functions like sleep etc */
+#define CONFIG_CMD_REGINFO
+#define CONFIG_CMD_RUN		/* run command in env variable  */
+#define CONFIG_CMD_SETGETDCR	/* DCR support on 4xx           */
+#define CONFIG_CMD_XIMG		/* Load part of Multi Image     */
+
+/*
+ * Autobooting
+ */
+#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds */
+
+#define CONFIG_PREBOOT	"echo;"	\
+	"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
+	"echo"
+
+#undef	CONFIG_BOOTARGS
+/*#define CFG_HUSH_PARSER 0*/
+#ifdef	CFG_HUSH_PARSER
+#define	CFG_PROMPT_HUSH_PS2	"> "
+#endif
+
+#define	CONFIG_EXTRA_ENV_SETTINGS					\
+	"netdev=eth0\0"							\
+	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
+		"nfsroot=${serverip}:${rootpath}\0"			\
+	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
+	"addip=setenv bootargs ${bootargs} "				\
+		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
+		":${hostname}:${netdev}:off panic=1\0"			\
+	"flash_nfs=run nfsargs addip;"					\
+		"bootm ${kernel_addr}\0"				\
+	"flash_self=run ramargs addip;"					\
+		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
+	"net_nfs=tftp 40000000 ${bootfile};run nfsargs addip;bootm\0"	\
+	"rootpath=/export/roofs\0"					\
+	"scratch=40000000\0"					\
+	"getkernel=tftpboot \$\(scratch\)\ \$\(bootfile\)\0" \
+	"ethaddr=00:00:7A:CC:00:12\0" \
+	"bootargs=console=ttyS0,38400" \
+	""
+#define CONFIG_NETMASK 255.255.255.0
+#define CONFIG_GATEWAYIP 192.168.0.1
+#define CONFIG_SERVERIP 192.168.0.81
+#define CONFIG_IPADDR 192.168.0.80
+#define CONFIG_ROOTPATH /export/rootfs
+#define CONFIG_HOSTNAME  grxc3s1500
+#define CONFIG_BOOTFILE  /uImage
+
+#define CONFIG_BOOTCOMMAND	"run flash_self"
+
+/* Memory MAP
+ *
+ *  Flash:
+ *  |--------------------------------|
+ *  | 0x00000000 Text & Data & BSS   | *
+ *  |            for Monitor         | *
+ *  | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| *
+ *  | UNUSED / Growth                | * 256kb
+ *  |--------------------------------|
+ *  | 0x00050000 Base custom area    | *
+ *  |            kernel / FS         | *
+ *  |                                | * Rest of Flash
+ *  |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
+ *  | END-0x00008000 Environment     | * 32kb
+ *  |--------------------------------|
+ *
+ *
+ *
+ *  Main Memory:
+ *  |--------------------------------|
+ *  | UNUSED / scratch area          |
+ *  |                                |
+ *  |                                |
+ *  |                                |
+ *  |                                |
+ *  |--------------------------------|
+ *  | Monitor .Text / .DATA / .BSS   | * 256kb
+ *  | Relocated!                     | *
+ *  |--------------------------------|
+ *  | Monitor Malloc                 | * 128kb (contains relocated environment)
+ *  |--------------------------------|
+ *  | Monitor/kernel STACK           | * 64kb
+ *  |--------------------------------|
+ *  | Page Table for MMU systems     | * 2k
+ *  |--------------------------------|
+ *  | PROM Code accessed from Linux  | * 6kb-128b
+ *  |--------------------------------|
+ *  | Global data (avail from kernel)| * 128b
+ *  |--------------------------------|
+ *
+ */
+
+/*
+ * Flash configuration (8,16 or 32 MB)
+ * TEXT base always at 0xFFF00000
+ * ENV_ADDR always at  0xFFF40000
+ * FLASH_BASE at 0xFC000000 for 64 MB
+ *               0xFE000000 for 32 MB
+ *               0xFF000000 for 16 MB
+ *               0xFF800000 for  8 MB
+ */
+#define CFG_NO_FLASH		1
+#define CFG_FLASH_BASE		0x00000000
+#define CFG_FLASH_SIZE		0x00800000
+#define CFG_ENV_SIZE		0x8000
+
+#define CFG_ENV_ADDR		(CFG_FLASH_BASE+CFG_FLASH_SIZE-CFG_ENV_SIZE)
+
+#define PHYS_FLASH_SECT_SIZE	0x00020000	/* 128 KB sectors */
+#define CFG_MAX_FLASH_SECT	64	/* max num of sects on one chip */
+#define CFG_MAX_FLASH_BANKS	1	/* max num of memory banks      */
+
+#define CFG_FLASH_ERASE_TOUT	240000	/* Flash Erase Timeout (in ms)  */
+#define CFG_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (in ms)  */
+#define CFG_FLASH_LOCK_TOUT	5	/* Timeout for Flash Set Lock Bit (in ms) */
+#define CFG_FLASH_UNLOCK_TOUT	10000	/* Timeout for Flash Clear Lock Bits (in ms) */
+
+#ifdef ENABLE_FLASH_SUPPORT
+/* For use with grsim FLASH emulation extension */
+#define CFG_FLASH_PROTECTION	/* "Real" (hardware) sectors protection */
+
+#undef CONFIG_FLASH_8BIT	/* Flash is 32-bit */
+
+/*** CFI CONFIG ***/
+#define CFG_FLASH_CFI_WIDTH	FLASH_CFI_8BIT
+#define CFG_FLASH_CFI_DRIVER
+#define CFG_FLASH_CFI
+#endif
+
+/*
+ * Environment settings
+ */
+#define CFG_ENV_IS_NOWHERE 1
+/*#define CFG_ENV_IS_IN_FLASH	0*/
+/*#define CFG_ENV_SIZE		0x8000*/
+#define CFG_ENV_SECT_SIZE	0x40000
+#define CONFIG_ENV_OVERWRITE	1
+
+/*
+ * Memory map
+ */
+#define CFG_SDRAM_BASE		0x40000000
+#define CFG_SDRAM_SIZE		0x00800000
+#define CFG_SDRAM_END		(CFG_SDRAM_BASE+CFG_SDRAM_SIZE)
+
+/* no SRAM available */
+#undef CFG_SRAM_BASE
+#undef CFG_SRAM_SIZE
+
+
+/* Always Run U-Boot from SDRAM */
+#define CFG_RAM_BASE CFG_SDRAM_BASE
+#define CFG_RAM_SIZE CFG_SDRAM_SIZE
+#define CFG_RAM_END CFG_SDRAM_END
+
+#define CFG_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */
+#define CFG_GBL_DATA_OFFSET	(CFG_RAM_END - CFG_GBL_DATA_SIZE)
+
+#define CFG_PROM_SIZE		(8192-CFG_GBL_DATA_SIZE)
+#define CFG_PROM_OFFSET		(CFG_GBL_DATA_OFFSET-CFG_PROM_SIZE)
+
+#define CFG_INIT_SP_OFFSET	(CFG_PROM_OFFSET-32)
+#define CFG_STACK_SIZE		(0x10000-32)
+
+#define CFG_MONITOR_BASE    TEXT_BASE
+#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
+#   define CFG_RAMBOOT		1
+#endif
+
+#define CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor   */
+#define CFG_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc()  */
+#define CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */
+
+#define CFG_MALLOC_END		(CFG_INIT_SP_OFFSET-CFG_STACK_SIZE)
+#define CFG_MALLOC_BASE		(CFG_MALLOC_END-CFG_MALLOC_LEN)
+
+/* relocated monitor area */
+#define CFG_RELOC_MONITOR_MAX_END   CFG_MALLOC_BASE
+#define CFG_RELOC_MONITOR_BASE     (CFG_RELOC_MONITOR_MAX_END-CFG_MONITOR_LEN)
+
+/* make un relocated address from relocated address */
+#define UN_RELOC(address) (address-(CFG_RELOC_MONITOR_BASE-TEXT_BASE))
+
+/*
+ * Ethernet configuration
+ */
+/*#define CONFIG_GRETH	1*/
+/*#define CONFIG_NET_MULTI	1*/
+
+/* Default HARDWARE address */
+#define GRETH_HWADDR_0 0x00
+#define GRETH_HWADDR_1 0x00
+#define GRETH_HWADDR_2 0x7A
+#define GRETH_HWADDR_3 0xcc
+#define GRETH_HWADDR_4 0x00
+#define GRETH_HWADDR_5 0x12
+
+#define CONFIG_ETHADDR   00:00:7a:cc:00:12
+
+/*
+ * Define CONFIG_GRETH_10MBIT to force GRETH at 10Mb/s
+ */
+/* #define CONFIG_GRETH_10MBIT 1 */
+#define CONFIG_PHY_ADDR		0x00
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP		/* undef to save memory     */
+#define CFG_PROMPT		"=> "	/* Monitor Command Prompt   */
+#if defined(CONFIG_CMD_KGDB)
+#define CFG_CBSIZE		1024	/* Console I/O Buffer Size  */
+#else
+#define CFG_CBSIZE		256	/* Console I/O Buffer Size  */
+#endif
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)	/* Print Buffer Size */
+#define CFG_MAXARGS		16	/* max number of command args   */
+#define CFG_BARGSIZE		CFG_CBSIZE	/* Boot Argument Buffer Size    */
+
+#define CFG_MEMTEST_START	0x00100000	/* memtest works on */
+#define CFG_MEMTEST_END		0x00f00000	/* 1 ... 15 MB in DRAM  */
+
+#define CFG_LOAD_ADDR		0x100000	/* default load address */
+
+#define CFG_HZ			1000	/* decrementer freq: 1 ms ticks */
+
+/***** Gaisler GRLIB IP-Cores Config ********/
+
+#define CFG_GRLIB_SDRAM    0
+#define CFG_GRLIB_MEMCFG1  (0x000000ff | (1<<11))
+#if CONFIG_GRSIM
+#define CFG_GRLIB_MEMCFG2  0x82206000
+#else
+#define CFG_GRLIB_MEMCFG2  0x00001820
+#endif
+#define CFG_GRLIB_MEMCFG3  0x00136000
+
+/*** LEON2 UART 1 ***/
+#define CFG_LEON2_UART1_SCALER \
+ ((((CONFIG_SYS_CLK_FREQ*10)/(CONFIG_BAUDRATE*8))-5)/10)
+ 
+/* UART1 Define to 1 or 0 */
+#define LEON2_UART1_LOOPBACK_ENABLE 0
+#define LEON2_UART1_FLOWCTRL_ENABLE 0
+#define LEON2_UART1_PARITY_ENABLE 0
+#define LEON2_UART1_ODDPAR_ENABLE 0
+
+/*** LEON2 UART 2 ***/
+
+#define CFG_LEON2_UART2_SCALER \
+ ((((CONFIG_SYS_CLK_FREQ*10)/(CONFIG_BAUDRATE*8))-5)/10)
+
+/* UART2 Define to 1 or 0 */
+#define LEON2_UART2_LOOPBACK_ENABLE 0
+#define LEON2_UART2_FLOWCTRL_ENABLE 0
+#define LEON2_UART2_PARITY_ENABLE 0
+#define LEON2_UART2_ODDPAR_ENABLE 0
+
+#define LEON_CONSOLE_UART1 1
+#define LEON_CONSOLE_UART2 2
+
+/* Use UART2 as console */
+#define LEON2_CONSOLE_SELECT LEON_CONSOLE_UART1
+
+/* LEON2 I/O Port */
+/*#define LEON2_IO_PORT_DIR 0x0000aa00*/
+
+/* default kernel command line */
+#define CONFIG_DEFAULT_KERNEL_COMMAND_LINE "console=ttyS0,38400\0\0"
+
+#define CONFIG_IDENT_STRING "Gaisler GRSIM LEON2"
+
+#endif				/* __CONFIG_H */