diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 0110930..9a666cb 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -196,6 +196,7 @@
 
 #define DCT_CFG_SEL			0x10C
 
+#define DRAM_LOCAL_NODE_BASE		0x120
 #define DRAM_LOCAL_NODE_LIM		0x124
 
 #define DRAM_BASE_HI			0x140