diff --git a/configs/ph1_sld8_defconfig b/configs/ph1_sld8_defconfig
index 2c636e6..4e8f354 100644
--- a/configs/ph1_sld8_defconfig
+++ b/configs/ph1_sld8_defconfig
@@ -7,4 +7,5 @@
 CONFIG_SYS_NAND_DENALI_64BIT=y
 CONFIG_NAND_DENALI_SPARE_AREA_SKIP_BYTES=8
 CONFIG_DM_SERIAL=y
+CONFIG_UNIPHIER_SERIAL=y
 S:CONFIG_SPL_NAND_DENALI=y