diff --git a/configs/mx31pdk_defconfig b/configs/mx31pdk_defconfig
index 3fcc0c0..0884caf 100644
--- a/configs/mx31pdk_defconfig
+++ b/configs/mx31pdk_defconfig
@@ -18,3 +18,7 @@
 # CONFIG_MMC is not set
 CONFIG_NAND=y
 CONFIG_NAND_MXC=y
+CONFIG_NETDEVICES=y
+CONFIG_SMC911X=y
+CONFIG_SMC911X_BASE=0xB6000000
+CONFIG_SMC911X_32_BIT=y