diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c
index 41957c9..d4205e0 100644
--- a/board/amcc/bamboo/bamboo.c
+++ b/board/amcc/bamboo/bamboo.c
@@ -554,7 +554,7 @@
 	  |
 	  +-------------------------------------------------------------------------*/
 	/* Read Pin Strap Register in PPC440EP */
-	mfsdr(sdr_pstrp0, sdr0_pstrp0);
+	mfsdr(SDR0_PINSTP, sdr0_pstrp0);
 	bootstrap_settings = sdr0_pstrp0 & SDR0_PSTRP0_BOOTSTRAP_MASK;
 
 	/*-------------------------------------------------------------------------+
diff --git a/board/amcc/bamboo/bamboo.h b/board/amcc/bamboo/bamboo.h
index 4474862..f2b78a9 100644
--- a/board/amcc/bamboo/bamboo.h
+++ b/board/amcc/bamboo/bamboo.h
@@ -110,17 +110,6 @@
 /*----------------------------------------------------------------------------+
 | SDR Configuration registers
 +----------------------------------------------------------------------------*/
-/* Serial Device Strap Reg 0 */
-#define SDR0_SDSTP0		     0x0020
-/* Serial Device Strap Reg 1 */
-#define SDR0_SDSTP1		     0x0021
-/* Serial Device Strap Reg 2 */
-#define SDR0_SDSTP2		     SDR0_STRP2
-/* Serial Device Strap Reg 3 */
-#define SDR0_SDSTP3		     SDR0_STRP3
-
-#define sdr_pstrp0		     0x0040
-
 #define	  SDR0_SDSTP1_EBC_ROM_BS_MASK  0x00006000  /* EBC Boot Size Mask */
 #define	  SDR0_SDSTP1_EBC_ROM_BS_32BIT 0x00004000    /* EBC 32 bits */
 #define	  SDR0_SDSTP1_EBC_ROM_BS_16BIT 0x00002000    /* EBC 16 Bits */
diff --git a/board/amcc/bamboo/flash.c b/board/amcc/bamboo/flash.c
index 406342f..07d185f 100644
--- a/board/amcc/bamboo/flash.c
+++ b/board/amcc/bamboo/flash.c
@@ -86,7 +86,7 @@
 	unsigned long ebc_boot_size;
 	unsigned long boot_selection;
 
-	mfsdr(sdr_pstrp0, val);
+	mfsdr(SDR0_PINSTP, val);
 	index = (val & SDR0_PSTRP0_BOOTSTRAP_MASK) >> 29;
 
 	if ((index == 5) || (index == 7)) {
diff --git a/board/amcc/sequoia/sequoia.c b/board/amcc/sequoia/sequoia.c
index 4338e6b..c523bca 100644
--- a/board/amcc/sequoia/sequoia.c
+++ b/board/amcc/sequoia/sequoia.c
@@ -321,8 +321,8 @@
 	 * This fix will make the MAL burst disabling patch for the Linux
 	 * EMAC driver obsolete.
 	 */
-	reg = mfdcr(PLB4_ACR) & ~PLB4_ACR_WRP;
-	mtdcr(PLB4_ACR, reg);
+	reg = mfdcr(PLB4A0_ACR) & ~PLB4Ax_ACR_WRP_MASK;
+	mtdcr(PLB4A0_ACR, reg);
 
 	return 0;
 }