ppc4xx: ML507: Environment in flash and MTD Support

- Relocate the location of U-Boot in the flash
- Save the environment in one sector of the flash memory
- MTD Support

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@uam.es>
Signed-off-by: Stefan Roese <sr@denx.de>

Makefile

@@ -1352,7 +1352,7 @@ ml300_config:	unconfig
 ml507_flash_config:	unconfig
 	@mkdir -p $(obj)include $(obj)board/xilinx/ml507
 	@cp $(obj)board/xilinx/ml507/u-boot-rom.lds  $(obj)board/xilinx/ml507/u-boot.lds
-	@echo "TEXT_BASE = 0xFE3E0000" > $(obj)board/xilinx/ml507/config.tmp
+	@echo "TEXT_BASE = 0xFE360000" > $(obj)board/xilinx/ml507/config.tmp
 	@$(MKCONFIG) $(@:_flash_config=) ppc ppc4xx ml507 xilinx
 
 ml507_config:	unconfig

board/xilinx/ml507/xparameters.h

@@ -24,7 +24,7 @@
 #define XPAR_DDR2_SDRAM_MEM_BASEADDR 	0x00000000
 #define XPAR_IIC_EEPROM_BASEADDR 	0x81600000
 #define XPAR_INTC_0_BASEADDR 		0x81800000
-#define XPAR_LLTEMAC_0_BASEADDR 	0x81c00000
+#define XPAR_LLTEMAC_0_BASEADDR 	0x81C00000
 #define XPAR_UARTLITE_0_BASEADDR 	0x84000000
 #define XPAR_FLASH_MEM0_BASEADDR 	0xFE000000
 #define XPAR_PLB_CLOCK_FREQ_HZ 		100000000

include/configs/ml507.h

@@ -33,7 +33,7 @@
 #define CFG_SDRAM_SIZE_MB	256
 #define CFG_MONITOR_BASE	TEXT_BASE
 #define CFG_MONITOR_LEN		( 192 * 1024 )
-#define CFG_MALLOC_LEN		( 128 * 1024 )
+#define CFG_MALLOC_LEN		( CFG_ENV_SIZE + 128 * 1024 )
 
 /*Uart*/
 #define CONFIG_XILINX_UARTLITE
@@ -49,6 +49,8 @@
 #define CONFIG_CMD_ELF
 #define CONFIG_CMD_IRQ
 #define CONFIG_CMD_REGINFO
+#define CONFIG_CMD_JFFS2
+#define CONFIG_JFFS2_CMDLINE
 #undef CONFIG_CMD_I2C
 #undef CONFIG_CMD_DTT
 #undef CONFIG_CMD_NET
@@ -58,9 +60,11 @@
 #undef CONFIG_CMD_IMLS
 
 /*Env*/
-#define	CFG_ENV_IS_NOWHERE
-#define	CFG_ENV_SIZE		0x200
-#define CFG_ENV_OFFSET 		0x100
+#define	CFG_ENV_IS_IN_FLASH
+#define	CFG_ENV_SIZE		0x20000
+#define	CFG_ENV_SECT_SIZE	0x20000
+#define CFG_ENV_OFFSET 		0x340000
+#define CFG_ENV_ADDR 		(XPAR_FLASH_MEM0_BASEADDR+CFG_ENV_OFFSET)
 
 /*Misc*/
 #define CONFIG_BOOTDELAY	5		/* autoboot after 5 seconds     */
@@ -111,5 +115,8 @@
 #define	CFG_MAX_FLASH_BANKS	1
 #define	CFG_MAX_FLASH_SECT	259
 #define	CFG_FLASH_PROTECTION
+#define MTDIDS_DEFAULT		"nor0=ml507-flash"
+#define MTDPARTS_DEFAULT	"mtdparts=ml507-flash:-(user)"
+
 
 #endif						/* __CONFIG_H */