diff --git a/src/northbridge/intel/haswell/memmap.h b/src/northbridge/intel/haswell/memmap.h
index 92beeec..fd2317f 100644
--- a/src/northbridge/intel/haswell/memmap.h
+++ b/src/northbridge/intel/haswell/memmap.h
@@ -9,8 +9,10 @@
 
 #define EP_BASE_SIZE		0x1000
 
+#define EDRAM_BASE_ADDRESS	0xfed80000
 #define EDRAM_BASE_SIZE		0x4000
 
+#define GDXC_BASE_ADDRESS	0xfed84000
 #define GDXC_BASE_SIZE		0x1000
 
 #define GFXVT_BASE_ADDRESS	0xfed90000ULL