diff --git a/configs/T1040D4RDB_SDCARD_defconfig b/configs/T1040D4RDB_SDCARD_defconfig
index dc9ee34..b0167ec 100644
--- a/configs/T1040D4RDB_SDCARD_defconfig
+++ b/configs/T1040D4RDB_SDCARD_defconfig
@@ -6,3 +6,4 @@
 CONFIG_SPI_FLASH=y
 CONFIG_NETDEVICES=y
 CONFIG_E1000=y
+CONFIG_SYS_NS16550=y