diff --git a/include/asm-arm/arch-ixp2000/ixp2000-regs.h b/include/asm-arm/arch-ixp2000/ixp2000-regs.h
index 75623f81ef75492801108bb895f745fdbdb962e4..32aece069869b52c0aede2617fdbec8ee898fda1 100644
--- a/include/asm-arm/arch-ixp2000/ixp2000-regs.h
+++ b/include/asm-arm/arch-ixp2000/ixp2000-regs.h
@@ -370,8 +370,6 @@
 #define GLOBAL_REG_BASE			(IXP2000_GLOBAL_REG_VIRT_BASE + 0x0a00)
 #define GLOBAL_REG(x)			(volatile unsigned long*)(GLOBAL_REG_BASE | (x))
 
-#define IXP2000_PROD_ID			GLOBAL_REG(0x00)
-
 #define IXP2000_MAJ_PROD_TYPE_MASK	0x001F0000
 #define IXP2000_MAJ_PROD_TYPE_IXP2000	0x00000000
 #define IXP2000_MIN_PROD_TYPE_MASK 	0x0000FF00
diff --git a/include/asm-arm/arch-ixp2000/platform.h b/include/asm-arm/arch-ixp2000/platform.h
index 6519498dbe25e8e4c790b0e145039128f3a6495c..abdcf51bd28374e3a6a06eca20709fc84e541ba7 100644
--- a/include/asm-arm/arch-ixp2000/platform.h
+++ b/include/asm-arm/arch-ixp2000/platform.h
@@ -88,7 +88,7 @@ void ixp2000_release_slowport(struct slowport_cfg *);
  */
 static inline unsigned ixp2000_has_broken_slowport(void)
 {
-	unsigned long id = *IXP2000_PROD_ID;
+	unsigned long id = *IXP2000_PRODUCT_ID;
 	unsigned long id_prod = id & (IXP2000_MAJ_PROD_TYPE_MASK |
 				      IXP2000_MIN_PROD_TYPE_MASK);
 	return (((id_prod ==