diff --git a/configs/mpc5121ads_defconfig b/configs/mpc5121ads_defconfig
new file mode 100644
index 0000000..4d76470
--- /dev/null
+++ b/configs/mpc5121ads_defconfig
@@ -0,0 +1,3 @@
+CONFIG_PPC=y
+CONFIG_MPC512X=y
+CONFIG_TARGET_MPC5121ADS=y