diff --git a/src/northbridge/intel/sandybridge/memmap.h b/src/northbridge/intel/sandybridge/memmap.h
new file mode 100644
index 0000000..9825125
--- /dev/null
+++ b/src/northbridge/intel/sandybridge/memmap.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __NORTHBRIDGE_INTEL_SANDYBRIDGE_MEMMAP_H__
+#define __NORTHBRIDGE_INTEL_SANDYBRIDGE_MEMMAP_H__
+
+/* Northbridge BARs */
+#define DEFAULT_MCHBAR		0xfed10000	/* 16 KB */
+#define DEFAULT_DMIBAR		0xfed18000	/* 4 KB */
+#define DEFAULT_EPBAR		0xfed19000	/* 4 KB */
+
+#define GFXVT_BASE		0xfed90000ULL
+#define VTVC0_BASE		0xfed91000ULL
+
+#endif /* __NORTHBRIDGE_INTEL_SANDYBRIDGE_MEMMAP_H__ */
diff --git a/src/northbridge/intel/sandybridge/sandybridge.h b/src/northbridge/intel/sandybridge/sandybridge.h
index 7b008e8..9db5ae3 100644
--- a/src/northbridge/intel/sandybridge/sandybridge.h
+++ b/src/northbridge/intel/sandybridge/sandybridge.h
@@ -20,13 +20,7 @@
 #define IVB_STEP_K0	(BASE_REV_IVB + 5)
 #define IVB_STEP_D0	(BASE_REV_IVB + 6)
 
-/* Northbridge BARs */
-#define DEFAULT_MCHBAR		0xfed10000	/* 16 KB */
-#define DEFAULT_DMIBAR		0xfed18000	/* 4 KB */
-#define DEFAULT_EPBAR		0xfed19000	/* 4 KB */
-
-#define GFXVT_BASE		0xfed90000ULL
-#define VTVC0_BASE		0xfed91000ULL
+#include "memmap.h"
 
 /* Everything below this line is ignored in the DSDT */
 #ifndef __ACPI__