diff --git a/board/freescale/mpc837xerdb/mpc837xerdb.c b/board/freescale/mpc837xerdb/mpc837xerdb.c
index 84671f63c6..2650d300e3 100644
--- a/board/freescale/mpc837xerdb/mpc837xerdb.c
+++ b/board/freescale/mpc837xerdb/mpc837xerdb.c
@@ -97,7 +97,7 @@ int dram_init(void)
 int fixed_sdram(void)
 {
 	immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
-	u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
+	u32 msize = CONFIG_SYS_SDRAM_SIZE;
 	u32 msize_log2 = __ilog2(msize);
 
 	im->sysconf.ddrlaw[0].bar = CONFIG_SYS_SDRAM_BASE & 0xfffff000;
@@ -127,7 +127,7 @@ int fixed_sdram(void)
 
 	im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
 	udelay(2000);
-	return CONFIG_SYS_DDR_SIZE;
+	return CONFIG_SYS_SDRAM_SIZE >> 20;
 }
 #endif	/*!CONFIG_SYS_SPD_EEPROM */
 
diff --git a/board/gdsys/mpc8308/sdram.c b/board/gdsys/mpc8308/sdram.c
index bfd55f54e4..47b8804352 100644
--- a/board/gdsys/mpc8308/sdram.c
+++ b/board/gdsys/mpc8308/sdram.c
@@ -34,7 +34,7 @@ DECLARE_GLOBAL_DATA_PTR;
 static long fixed_sdram(void)
 {
 	immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
-	u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
+	u32 msize = CONFIG_SYS_SDRAM_SIZE;
 	u32 msize_log2 = __ilog2(msize);
 
 	out_be32(&im->sysconf.ddrlaw[0].bar,
diff --git a/board/ids/ids8313/ids8313.c b/board/ids/ids8313/ids8313.c
index 45c77a249a..48aea71be6 100644
--- a/board/ids/ids8313/ids8313.c
+++ b/board/ids/ids8313/ids8313.c
@@ -56,7 +56,7 @@ int checkboard(void)
 int fixed_sdram(unsigned long config)
 {
 	immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
-	u32 msize = CONFIG_SYS_DDR_SIZE << 20;
+	u32 msize = CONFIG_SYS_SDRAM_SIZE;
 
 #ifndef CONFIG_SYS_RAMBOOT
 	u32 msize_log2 = __ilog2(msize);
@@ -109,7 +109,7 @@ int fixed_sdram(unsigned long config)
 
 static int setup_sdram(void)
 {
-	u32 msize = CONFIG_SYS_DDR_SIZE << 20;
+	u32 msize = CONFIG_SYS_SDRAM_SIZE;
 	long int size_01, size_02;
 
 	size_01 = fixed_sdram(CONFIG_SYS_DDR_CONFIG);
diff --git a/board/keymile/km83xx/km83xx.c b/board/keymile/km83xx/km83xx.c
index 8a0b175856..6a7b848161 100644
--- a/board/keymile/km83xx/km83xx.c
+++ b/board/keymile/km83xx/km83xx.c
@@ -141,12 +141,11 @@ static int fixed_sdram(void)
 	udelay(200);
 	setbits_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN);
 
-	msize = CONFIG_SYS_DDR_SIZE << 20;
 	disable_addr_trans();
-	msize = get_ram_size(CONFIG_SYS_SDRAM_BASE, msize);
+	msize = get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_SDRAM_SIZE);
 	enable_addr_trans();
 	msize /= (1024 * 1024);
-	if (CONFIG_SYS_DDR_SIZE != msize) {
+	if (CONFIG_SYS_SDRAM_SIZE >> 20 != msize) {
 		for (ddr_size = msize << 20, ddr_size_log2 = 0;
 			(ddr_size > 1);
 			ddr_size = ddr_size >> 1, ddr_size_log2++)
diff --git a/include/configs/MPC837XERDB.h b/include/configs/MPC837XERDB.h
index 67a6cfd1ed..8fffb0c5cc 100644
--- a/include/configs/MPC837XERDB.h
+++ b/include/configs/MPC837XERDB.h
@@ -69,7 +69,7 @@
 /*
  * Manually set up DDR parameters
  */
-#define CONFIG_SYS_DDR_SIZE		256		/* MB */
+#define CONFIG_SYS_SDRAM_SIZE		0x10000000 /* 256 MiB */
 #define CONFIG_SYS_DDR_CS0_BNDS		0x0000000f
 #define CONFIG_SYS_DDR_CS0_CONFIG	(CSCONFIG_EN \
 					| CSCONFIG_ODT_WR_ONLY_CURRENT \
diff --git a/include/configs/ids8313.h b/include/configs/ids8313.h
index a8bb2090ec..26f0741be3 100644
--- a/include/configs/ids8313.h
+++ b/include/configs/ids8313.h
@@ -41,7 +41,7 @@
  * Manually set up DDR parameters,
  * as this board has not the SPD connected to I2C.
  */
-#define CONFIG_SYS_DDR_SIZE		256		/* MB */
+#define CONFIG_SYS_SDRAM_SIZE		0x10000000 /* 256 MiB */
 #define CONFIG_SYS_DDR_CONFIG		(CSCONFIG_EN |\
 					 0x00010000 |\
 					 CSCONFIG_ROW_BIT_13 |\
diff --git a/include/configs/km/km-mpc83xx.h b/include/configs/km/km-mpc83xx.h
index 9f76f48a5c..3c23715a77 100644
--- a/include/configs/km/km-mpc83xx.h
+++ b/include/configs/km/km-mpc83xx.h
@@ -18,7 +18,7 @@
 /*
  * Manually set up DDR parameters
  */
-#define CONFIG_SYS_DDR_SIZE		2048 /* MB */
+#define CONFIG_SYS_SDRAM_SIZE		0x80000000 /* 2048 MiB */
 
 /*
  * The reserved memory