diff --git a/src/northbridge/intel/i945/Kconfig b/src/northbridge/intel/i945/Kconfig
index 23369e7..484b694 100644
--- a/src/northbridge/intel/i945/Kconfig
+++ b/src/northbridge/intel/i945/Kconfig
@@ -80,4 +80,13 @@
 	int
 	default 4
 
+config FIXED_MCHBAR_MMIO_BASE
+	default 0xfed14000
+
+config FIXED_DMIBAR_MMIO_BASE
+	default 0xfed18000
+
+config FIXED_EPBAR_MMIO_BASE
+	default 0xfed19000
+
 endif