arm: add support for kirkwood based mgcoge2un board

This board is similar to keymile suen3.
Signed-off-by: NClive Stubbings <clive.stubbings@xentech.co.uk>
Signed-off-by: NHolger Brunck <holger.brunck@keymile.com>
Signed-off-by: NHeiko Schocher <hs@denx.de>
cc: Prafulla Wadaskar <prafulla@marvell.com>

MAINTAINERS

@@ -428,6 +428,7 @@ Heiko Schocher <hs@denx.de>
 	jupiter		MPC5200
 	kmeter1		MPC8360
 	mgcoge		MPC8247
+	mgcoge2un	ARM926EJS (Kirkwood SoC)
 	mucmc52		MPC5200
 	muas3001	MPC8270
 	municse		MPC5200

boards.cfg

@@ -104,6 +104,7 @@ davinci_schmoogie            arm         arm926ejs   schmoogie           davinci
 davinci_sffsdr               arm         arm926ejs   sffsdr              davinci        davinci
 davinci_sonata               arm         arm926ejs   sonata              davinci        davinci
 suen3                        arm         arm926ejs   km_arm              keymile        kirkwood
+mgcoge2un                    arm         arm926ejs   km_arm              keymile        kirkwood
 guruplug                     arm         arm926ejs   -                   Marvell        kirkwood
 mv88f6281gtw_ge              arm         arm926ejs   -                   Marvell        kirkwood
 openrd_base                  arm         arm926ejs   -                   Marvell        kirkwood

include/configs/km_arm.h

@@ -200,6 +200,47 @@ int get_scl (void);
 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
 
+/*
+ *  Environment variables configurations
+ */
+#define CONFIG_ENV_IS_IN_EEPROM		/* use EEPROM for environment vars */
+#define CONFIG_SYS_DEF_EEPROM_ADDR	0x50
+#define CONFIG_ENV_EEPROM_IS_ON_I2C
+#define CONFIG_SYS_EEPROM_WREN
+#define CONFIG_ENV_OFFSET		0x0 /* no bracets! */
+#undef	CONFIG_ENV_SIZE
+#define CONFIG_ENV_SIZE			(0x2000 - CONFIG_ENV_OFFSET)
+#define CONFIG_I2C_ENV_EEPROM_BUS	"pca9547:70:d\0"
+
+/* offset redund: (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) */
+#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+#define CONFIG_ENV_OFFSET_REDUND	0x2000 /* no bracets! */
+#define CONFIG_ENV_SIZE_REDUND		(CONFIG_ENV_SIZE)
+
+#define CONFIG_CMD_SF
+
+#define CONFIG_SPI_FLASH
+#define CONFIG_HARD_SPI
+#define CONFIG_KIRKWOOD_SPI
+#define CONFIG_SPI_FLASH_STMICRO
+#define CONFIG_ENV_SPI_BUS		0
+#define CONFIG_ENV_SPI_CS		0
+#define CONFIG_ENV_SPI_MAX_HZ		50000000	/* 50Mhz */
+
+#define FLASH_GPIO_PIN			0x00010000
+
+#define MTDIDS_DEFAULT		"nand0=orion_nand"
+/* test-only: partitioning needs some tuning, this is just for tests */
+#define MTDPARTS_DEFAULT	"mtdparts="				\
+	"orion_nand:"							\
+		"-(" CONFIG_KM_UBI_PARTITION_NAME ")"
+
+#define	CONFIG_KM_DEF_ENV_UPDATE					\
+	"update="							\
+		"spi on;sf probe 0;sf erase 0 50000;"			\
+		"sf write ${u-boot_addr_r} 0 ${filesize};"		\
+		"spi off\0"
+
 #if defined(CONFIG_SYS_NO_FLASH)
 #define CONFIG_KM_UBI_PARTITION_NAME   "ubi0"
 #undef	CONFIG_FLASH_CFI_MTD

include/configs/mgcoge2un.h

+/*
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * (C) Copyright 2009
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * (C) Copyright 2010-2011
+ * Holger Brunck, Keymile GmbH Hannover, holger.brunck@keymile.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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+/* for linking errors see
+ * http://lists.denx.de/pipermail/u-boot/2009-July/057350.html */
+
+#ifndef _CONFIG_MGCOGE2UN_H
+#define _CONFIG_MGCOGE2UN_H
+
+/* include common defines/options for all arm based Keymile boards */
+#include "km_arm.h"
+
+/*
+ * Version number information
+ */
+#define CONFIG_IDENT_STRING	"\nKeymile MGCOGE2UN"
+
+#define CONFIG_HOSTNAME			mgcoge2un
+
+/*
+ * Default environment variables
+ */
+#define CONFIG_EXTRA_ENV_SETTINGS					\
+	CONFIG_KM_DEF_ENV						\
+	"memsize=0x8000000\0"						\
+	"newenv=setenv addr 0x100000 && "				\
+		"i2c dev 1; mw.b ${addr} 0 4 && "			\
+		"eeprom write " xstr(CONFIG_SYS_DEF_EEPROM_ADDR)	\
+		" ${addr} " xstr(CONFIG_ENV_OFFSET) " 4 && "		\
+		"eeprom write " xstr(CONFIG_SYS_DEF_EEPROM_ADDR)	\
+		" ${addr} " xstr(CONFIG_ENV_OFFSET_REDUND) " 4\0"	\
+	"rootpath=/opt/eldk/arm\0"					\
+	"EEprom_ivm=pca9547:70:9\0"					\
+	""
+
+#endif /* _CONFIG_MGCOGE2UN_H */

include/configs/suen3.h

@@ -43,47 +43,6 @@
 
 #define CONFIG_HOSTNAME			suen3
 
-/*
- *  Environment variables configurations
- */
-#define CONFIG_ENV_IS_IN_EEPROM		/* use EEPROM for environment vars */
-#define CONFIG_SYS_DEF_EEPROM_ADDR	0x50
-#define CONFIG_ENV_EEPROM_IS_ON_I2C	1
-#define CONFIG_SYS_EEPROM_WREN		1
-#define CONFIG_ENV_OFFSET		0x0 /* no bracets! */
-#undef	CONFIG_ENV_SIZE
-#define CONFIG_ENV_SIZE			(0x2000 - CONFIG_ENV_OFFSET)
-#define CONFIG_I2C_ENV_EEPROM_BUS	"pca9547:70:d\0"
-
-/* offset redund: (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) */
-#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
-#define CONFIG_ENV_OFFSET_REDUND	0x2000 /* no bracets! */
-#define CONFIG_ENV_SIZE_REDUND		(CONFIG_ENV_SIZE)
-
-#define CONFIG_CMD_SF
-
-#define CONFIG_SPI_FLASH
-#define CONFIG_HARD_SPI
-#define CONFIG_KIRKWOOD_SPI
-#define CONFIG_SPI_FLASH_STMICRO
-#define CONFIG_ENV_SPI_BUS		0
-#define CONFIG_ENV_SPI_CS		0
-#define CONFIG_ENV_SPI_MAX_HZ		50000000	/* 50Mhz */
-
-#define FLASH_GPIO_PIN			0x00010000
-
-#define MTDIDS_DEFAULT		"nand0=orion_nand"
-/* test-only: partitioning needs some tuning, this is just for tests */
-#define MTDPARTS_DEFAULT	"mtdparts="				\
-	"orion_nand:"							\
-		"-(" CONFIG_KM_UBI_PARTITION_NAME ")"
-
-#define	CONFIG_KM_DEF_ENV_UPDATE					\
-	"update="							\
-		"spi on;sf probe 0;sf erase 0 50000;"			\
-		"sf write ${u-boot_addr_r} 0 ${filesize};"		\
-		"spi off\0"
-
 /*
  * Default environment variables
  */