diff --git a/configs/T1024RDB_SPIFLASH_defconfig b/configs/T1024RDB_SPIFLASH_defconfig
index 4077ed9..0df88ea 100644
--- a/configs/T1024RDB_SPIFLASH_defconfig
+++ b/configs/T1024RDB_SPIFLASH_defconfig
@@ -64,6 +64,8 @@
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_USE_BOOTFILE=y
 CONFIG_BOOTFILE="uImage"
+CONFIG_USE_ETHPRIME=y
+CONFIG_ETHPRIME="FM1@DTSEC4"
 CONFIG_DM=y
 CONFIG_FSL_CAAM=y
 CONFIG_SYS_FSL_DDR3=y