diff --git a/configs/glacier_defconfig b/configs/glacier_defconfig
index 436b9f8..e67fa32 100644
--- a/configs/glacier_defconfig
+++ b/configs/glacier_defconfig
@@ -2,3 +2,6 @@
 CONFIG_4xx=y
 CONFIG_TARGET_CANYONLANDS=y
 CONFIG_GLACIER=y
+CONFIG_DEFAULT_DEVICE_TREE="glacier"
+CONFIG_OF_CONTROL=y
+CONFIG_OF_SEPARATE=y