diff --git a/configs/T1040D4RDB_SECURE_BOOT_defconfig b/configs/T1040D4RDB_SECURE_BOOT_defconfig
index 6a891a6..bfdeab0 100644
--- a/configs/T1040D4RDB_SECURE_BOOT_defconfig
+++ b/configs/T1040D4RDB_SECURE_BOOT_defconfig
@@ -5,3 +5,4 @@
 CONFIG_SPI_FLASH=y
 CONFIG_NETDEVICES=y
 CONFIG_E1000=y
+CONFIG_SYS_NS16550=y