diff --git a/configs/P2020RDB-PC_SPIFLASH_defconfig b/configs/P2020RDB-PC_SPIFLASH_defconfig
index aeff863..79d3b47 100644
--- a/configs/P2020RDB-PC_SPIFLASH_defconfig
+++ b/configs/P2020RDB-PC_SPIFLASH_defconfig
@@ -42,6 +42,8 @@
 CONFIG_CMD_MTDPARTS=y
 CONFIG_MTDIDS_DEFAULT="nor0=ef000000.nor"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=ef000000.nor:256k(vsc7385-firmware),256k(dtb),4608k(kernel),9984k(fs),1280k(u-boot)"
+CONFIG_OF_CONTROL=y
+CONFIG_DEFAULT_DEVICE_TREE="p2020rdb-pc"
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_FSL_ESDHC=y
 CONFIG_MTD_NOR_FLASH=y
@@ -63,4 +65,3 @@
 CONFIG_FSL_ESPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
-CONFIG_OF_LIBFDT=y