diff --git a/include/configs/rsdproto.h b/include/configs/rsdproto.h
index b82ff37..9e705de 100644
--- a/include/configs/rsdproto.h
+++ b/include/configs/rsdproto.h
@@ -253,9 +253,9 @@
  * Definitions for initial stack pointer and data area (in DPRAM)
  */
 #define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_IMMR
-#define	CONFIG_SYS_INIT_RAM_END	0x4000	/* End of used area in DPRAM	*/
+#define	CONFIG_SYS_INIT_RAM_SIZE	0x4000	/* Size of used area in DPRAM	*/
 #define	CONFIG_SYS_GBL_DATA_SIZE	128  /* size in bytes reserved for 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
 
 /*-----------------------------------------------------------------------