diff --git a/src/northbridge/intel/sandybridge/Kconfig b/src/northbridge/intel/sandybridge/Kconfig
index 3a65782..59b6187 100644
--- a/src/northbridge/intel/sandybridge/Kconfig
+++ b/src/northbridge/intel/sandybridge/Kconfig
@@ -20,11 +20,15 @@
 config NORTHBRIDGE_INTEL_SANDYBRIDGE
 	bool
 	select CACHE_MRC_BIN
+	select MMCONF_SUPPORT
+	select MMCONF_SUPPORT_DEFAULT
 	select CPU_INTEL_MODEL_206AX
 
 config NORTHBRIDGE_INTEL_IVYBRIDGE
 	bool
 	select CACHE_MRC_BIN
+	select MMCONF_SUPPORT
+	select MMCONF_SUPPORT_DEFAULT
 	select CPU_INTEL_MODEL_306AX
 
 if NORTHBRIDGE_INTEL_SANDYBRIDGE
@@ -103,6 +107,10 @@
 
 if NORTHBRIDGE_INTEL_SANDYBRIDGE || NORTHBRIDGE_INTEL_IVYBRIDGE
 
+config BOOTBLOCK_NORTHBRIDGE_INIT
+	string
+	default "northbridge/intel/sandybridge/bootblock.c"
+
 config DCACHE_RAM_MRC_VAR_SIZE
 	hex
 	default 0x4000