diff --git a/board/amcc/sequoia/sequoia.c b/board/amcc/sequoia/sequoia.c
index 703204f050..b2b82c7595 100644
--- a/board/amcc/sequoia/sequoia.c
+++ b/board/amcc/sequoia/sequoia.c
@@ -350,12 +350,19 @@ int misc_init_r(void)
 int checkboard(void)
 {
 	char *s = getenv("serial#");
+	u8 rev;
+	u8 val;
 
 #ifdef CONFIG_440EPX
 	printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board");
 #else
 	printf("Board: Rainier - AMCC PPC440GRx Evaluation Board");
 #endif
+
+	rev = *(u8 *)(CFG_CPLD + 0);
+	val = *(u8 *)(CFG_CPLD + 5) & 0x01;
+	printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33);
+
 	if (s != NULL) {
 		puts(", serial# ");
 		puts(s);
diff --git a/board/amcc/yellowstone/yellowstone.c b/board/amcc/yellowstone/yellowstone.c
index 754ae449c1..04f58e0419 100644
--- a/board/amcc/yellowstone/yellowstone.c
+++ b/board/amcc/yellowstone/yellowstone.c
@@ -39,24 +39,6 @@ int board_early_init_f(void)
 	reg = mfdcr(ebccfgd);
 	mtdcr(ebccfgd, reg | 0x04000000);	/* Set ATC */
 
-	mtebc(pb0ap, 0x03017300);	/* FLASH/SRAM */
-	mtebc(pb0cr, 0xfc0da000);	/* BAS=0xfc0 64MB r/w 16-bit */
-
-	mtebc(pb1ap, 0x00000000);
-	mtebc(pb1cr, 0x00000000);
-
-	mtebc(pb2ap, 0x04814500);
-	/*CPLD*/ mtebc(pb2cr, 0x80018000);	/*BAS=0x800 1MB r/w 8-bit */
-
-	mtebc(pb3ap, 0x00000000);
-	mtebc(pb3cr, 0x00000000);
-
-	mtebc(pb4ap, 0x00000000);
-	mtebc(pb4cr, 0x00000000);
-
-	mtebc(pb5ap, 0x00000000);
-	mtebc(pb5cr, 0x00000000);
-
 	/*--------------------------------------------------------------------
 	 * Setup the GPIO pins
 	 *-------------------------------------------------------------------*/
@@ -190,8 +172,15 @@ int misc_init_r (void)
 int checkboard(void)
 {
 	char *s = getenv("serial#");
+	u8 rev;
+	u8 val;
 
 	printf("Board: Yellowstone - AMCC PPC440GR Evaluation Board");
+
+	rev = *(u8 *)(CFG_CPLD + 0);
+	val = *(u8 *)(CFG_CPLD + 5) & 0x01;
+	printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33);
+
 	if (s != NULL) {
 		puts(", serial# ");
 		puts(s);
diff --git a/board/amcc/yosemite/yosemite.c b/board/amcc/yosemite/yosemite.c
index 588ee900da..d47219cb6f 100644
--- a/board/amcc/yosemite/yosemite.c
+++ b/board/amcc/yosemite/yosemite.c
@@ -39,24 +39,6 @@ int board_early_init_f(void)
 	reg = mfdcr(ebccfgd);
 	mtdcr(ebccfgd, reg | 0x04000000);	/* Set ATC */
 
-	mtebc(pb0ap, 0x03017300);	/* FLASH/SRAM */
-	mtebc(pb0cr, 0xfc0da000);	/* BAS=0xfc0 64MB r/w 16-bit */
-
-	mtebc(pb1ap, 0x00000000);
-	mtebc(pb1cr, 0x00000000);
-
-	mtebc(pb2ap, 0x04814500);
-	/*CPLD*/ mtebc(pb2cr, 0x80018000);	/*BAS=0x800 1MB r/w 8-bit */
-
-	mtebc(pb3ap, 0x00000000);
-	mtebc(pb3cr, 0x00000000);
-
-	mtebc(pb4ap, 0x00000000);
-	mtebc(pb4cr, 0x00000000);
-
-	mtebc(pb5ap, 0x00000000);
-	mtebc(pb5cr, 0x00000000);
-
 	/*--------------------------------------------------------------------
 	 * Setup the GPIO pins
 	 *-------------------------------------------------------------------*/
@@ -186,8 +168,15 @@ int misc_init_r (void)
 int checkboard(void)
 {
 	char *s = getenv("serial#");
+	u8 rev;
+	u8 val;
 
 	printf("Board: Yosemite - AMCC PPC440EP Evaluation Board");
+
+	rev = *(u8 *)(CFG_CPLD + 0);
+	val = *(u8 *)(CFG_CPLD + 5) & 0x01;
+	printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33);
+
 	if (s != NULL) {
 		puts(", serial# ");
 		puts(s);
diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c
index 9c5c9109b1..53da5a3e76 100644
--- a/cpu/ppc4xx/cpu.c
+++ b/cpu/ppc4xx/cpu.c
@@ -332,24 +332,44 @@ int checkcpu (void)
 		strcpy(addstr, "No Security/Kasumi support");
 		break;
 
-	case PVR_440SP_RA:
-		puts("SP Rev. A");
+	case PVR_440SP_6_RAB:
+		puts("SP Rev. A/B");
+		strcpy(addstr, "RAID 6 support");
 		break;
 
-	case PVR_440SP_RB:
-		puts("SP Rev. B");
+	case PVR_440SP_RAB:
+		puts("SP Rev. A/B");
+		strcpy(addstr, "No RAID 6 support");
+		break;
+
+	case PVR_440SP_6_RC:
+		puts("SP Rev. C");
+		strcpy(addstr, "RAID 6 support");
 		break;
 
 	case PVR_440SP_RC:
 		puts("SP Rev. C");
+		strcpy(addstr, "No RAID 6 support");
+		break;
+
+	case PVR_440SPe_6_RA:
+		puts("SPe Rev. A");
+		strcpy(addstr, "RAID 6 support");
 		break;
 
 	case PVR_440SPe_RA:
 		puts("SPe Rev. A");
+		strcpy(addstr, "No RAID 6 support");
+		break;
+
+	case PVR_440SPe_6_RB:
+		puts("SPe Rev. B");
+		strcpy(addstr, "RAID 6 support");
 		break;
 
 	case PVR_440SPe_RB:
 		puts("SPe Rev. B");
+		strcpy(addstr, "No RAID 6 support");
 		break;
 
 	default:
diff --git a/include/asm-ppc/processor.h b/include/asm-ppc/processor.h
index 6619686876..f102600038 100644
--- a/include/asm-ppc/processor.h
+++ b/include/asm-ppc/processor.h
@@ -747,11 +747,14 @@
 #define PVR_440GX_RC	0x51B21892
 #define PVR_440GX_RF	0x51B21894
 #define PVR_405EP_RB	0x51210950
-#define PVR_440SP_RA	0x53221850
-#define PVR_440SP_RB	0x53221891
-#define PVR_440SP_RC	0x53221892
-#define PVR_440SPe_RA	0x53421890
-#define PVR_440SPe_RB	0x53421891
+#define PVR_440SP_6_RAB	0x53221850 /* 440SP rev A&B with RAID 6 support enabled	*/
+#define PVR_440SP_RAB	0x53321850 /* 440SP rev A&B without RAID 6 support	*/
+#define PVR_440SP_6_RC	0x53221891 /* 440SP rev C with RAID 6 support enabled	*/
+#define PVR_440SP_RC	0x53321891 /* 440SP rev C without RAID 6 support	*/
+#define PVR_440SPe_6_RA	0x53421890 /* 440SPe rev A with RAID 6 support enabled	*/
+#define PVR_440SPe_RA	0x53521890 /* 440SPe rev A without RAID 6 support	*/
+#define PVR_440SPe_6_RB	0x53421891 /* 440SPe rev B with RAID 6 support enabled	*/
+#define PVR_440SPe_RB	0x53521891 /* 440SPe rev B without RAID 6 support	*/
 #define PVR_601		0x00010000
 #define PVR_602		0x00050000
 #define PVR_603		0x00030000
diff --git a/include/configs/yellowstone.h b/include/configs/yellowstone.h
index 58717f8a60..911a52dbcf 100644
--- a/include/configs/yellowstone.h
+++ b/include/configs/yellowstone.h
@@ -301,6 +301,20 @@
  */
 #define CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */
 
+/*-----------------------------------------------------------------------
+ * External Bus Controller (EBC) Setup
+ *----------------------------------------------------------------------*/
+#define CFG_FLASH		CFG_FLASH_BASE
+#define CFG_CPLD		0x80000000
+
+/* Memory Bank 0 (NOR-FLASH) initialization					*/
+#define CFG_EBC_PB0AP		0x03017300
+#define CFG_EBC_PB0CR		(CFG_FLASH | 0xda000)
+
+/* Memory Bank 2 (CPLD) initialization						*/
+#define CFG_EBC_PB2AP		0x04814500
+#define CFG_EBC_PB2CR		(CFG_CPLD | 0x18000)
+
 /*-----------------------------------------------------------------------
  * Cache Configuration
  */
diff --git a/include/configs/yosemite.h b/include/configs/yosemite.h
index 6e942abcaa..2cc18db9a5 100644
--- a/include/configs/yosemite.h
+++ b/include/configs/yosemite.h
@@ -306,6 +306,20 @@
  */
 #define CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */
 
+/*-----------------------------------------------------------------------
+ * External Bus Controller (EBC) Setup
+ *----------------------------------------------------------------------*/
+#define CFG_FLASH		CFG_FLASH_BASE
+#define CFG_CPLD		0x80000000
+
+/* Memory Bank 0 (NOR-FLASH) initialization					*/
+#define CFG_EBC_PB0AP		0x03017300
+#define CFG_EBC_PB0CR		(CFG_FLASH | 0xda000)
+
+/* Memory Bank 2 (CPLD) initialization						*/
+#define CFG_EBC_PB2AP		0x04814500
+#define CFG_EBC_PB2CR		(CFG_CPLD | 0x18000)
+
 /*-----------------------------------------------------------------------
  * Cache Configuration
  */