diff --git a/configs/smdkc100_defconfig b/configs/smdkc100_defconfig
index 7455235..041030f 100644
--- a/configs/smdkc100_defconfig
+++ b/configs/smdkc100_defconfig
@@ -1,2 +1,4 @@
 CONFIG_ARM=y
 CONFIG_TARGET_SMDKC100=y
+CONFIG_ARCH_S5PC1XX=y
+CONFIG_DEFAULT_DEVICE_TREE="s5pc1xx-smdkc100"