diff --git a/configs/mpc5121ads_defconfig b/configs/mpc5121ads_defconfig
index 8f4c1e8..865b97b 100644
--- a/configs/mpc5121ads_defconfig
+++ b/configs/mpc5121ads_defconfig
@@ -1,5 +1,6 @@
 CONFIG_PPC=y
 CONFIG_MPC512X=y
 CONFIG_TARGET_MPC5121ADS=y
+CONFIG_OF_BOARD_SETUP=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_OF_LIBFDT=y