Index: src/southbridge/amd/cs5536/cs5536.c
===================================================================
--- src/southbridge/amd/cs5536/cs5536.c	(revision 5615)
+++ src/southbridge/amd/cs5536/cs5536.c	(working copy)
@@ -651,7 +651,7 @@
 
 	res = new_resource(dev, 1);
 	res->base = 0x0UL;
-	res->size = 0x400UL;
+	res->size = 0x500UL;
 	res->limit = 0xffffUL;
 	res->flags = IORESOURCE_IO |
 		     IORESOURCE_ASSIGNED | IORESOURCE_FIXED;