diff --git a/include/configs/MPC8555CDS.h b/include/configs/MPC8555CDS.h
index 0068684..13df407 100644
--- a/include/configs/MPC8555CDS.h
+++ b/include/configs/MPC8555CDS.h
@@ -252,10 +252,10 @@
 
 #define CONFIG_SYS_INIT_RAM_LOCK	1
 #define CONFIG_SYS_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
-#define CONFIG_SYS_INIT_RAM_END	0x4000	    /* End of used area in RAM */
+#define CONFIG_SYS_INIT_RAM_SIZE	0x4000	    /* Size of used area in RAM */
 
 #define CONFIG_SYS_GBL_DATA_SIZE	128	    /* num bytes initial data */
-#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
+#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - CONFIG_SYS_GBL_DATA_SIZE)
 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
 
 #define CONFIG_SYS_MONITOR_LEN		(256 * 1024) /* Reserve 256 kB for Mon */