diff --git a/src/northbridge/intel/sandybridge/Kconfig b/src/northbridge/intel/sandybridge/Kconfig
index 16cd697..215560f 100644
--- a/src/northbridge/intel/sandybridge/Kconfig
+++ b/src/northbridge/intel/sandybridge/Kconfig
@@ -154,4 +154,13 @@
 config INTEL_GMA_BCLV_OFFSET
 	default 0x48254
 
+config FIXED_MCHBAR_MMIO_BASE
+	default 0xfed10000
+
+config FIXED_DMIBAR_MMIO_BASE
+	default 0xfed18000
+
+config FIXED_EPBAR_MMIO_BASE
+	default 0xfed19000
+
 endif