diff --git a/arch/arm/mach-ixp4xx/include/mach/io.h b/arch/arm/mach-ixp4xx/include/mach/io.h
index 5cf30d1b78d22b8901865f0426efefcc09d2a9c1..559c69a477317b2b0e718ae64af18ebf5a67b5e5 100644
--- a/arch/arm/mach-ixp4xx/include/mach/io.h
+++ b/arch/arm/mach-ixp4xx/include/mach/io.h
@@ -48,9 +48,10 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data);
  * fallback to the default.
  */
 
+extern unsigned long pcibios_min_mem;
 static inline int is_pci_memory(u32 addr)
 {
-	return (addr >= PCIBIOS_MIN_MEM) && (addr <= 0x4FFFFFFF);
+	return (addr >= pcibios_min_mem) && (addr <= 0x4FFFFFFF);
 }
 
 #define writeb(v, p)			__indirect_writeb(v, p)