MX51: vision2: Set global macros

Adapt vision2 to the current u-boot version. Drop
own macros to set global data and use the common ones.

Signed-off-by: Stefano Babic <sbabic@denx.de>
diff --git a/include/configs/vision2.h b/include/configs/vision2.h
index 3b42afc..e411faa 100644
--- a/include/configs/vision2.h
+++ b/include/configs/vision2.h
@@ -187,14 +187,15 @@
 #define PHYS_SDRAM_1_SIZE		(256 * 1024 * 1024)
 #define PHYS_SDRAM_2			CSD1_BASE_ADDR
 #define PHYS_SDRAM_2_SIZE		(256 * 1024 * 1024)
-#define CONFIG_SYS_SDRAM_BASE		0x90000000
-#define CONFIG_SYS_INIT_RAM_ADDR	0x1FFE8000
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
+#define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
+#define CONFIG_SYS_INIT_RAM_SIZE	IRAM_SIZE
 
-#define CONFIG_SYS_INIT_RAM_SIZE		(64 * 1024)
-#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - \
-					GENERATED_GBL_DATA_SIZE)
-#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
-					CONFIG_SYS_GBL_DATA_OFFSET)
+#define CONFIG_SYS_INIT_SP_OFFSET \
+	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
 #define CONFIG_BOARD_EARLY_INIT_F
 
 /* 166 MHz DDR RAM */