diff --git a/configs/ci20_defconfig b/configs/ci20_defconfig
index ec814ba455..e87181ac17 100644
--- a/configs/ci20_defconfig
+++ b/configs/ci20_defconfig
@@ -15,3 +15,15 @@ BR2_LINUX_KERNEL_CUSTOM_GIT=y
 BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/MIPS/CI20_linux.git"
 BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="93b4df0786f07643eb61daee8934a3f3a05fd280"
 BR2_LINUX_KERNEL_DEFCONFIG="ci20"
+
+# u-boot
+BR2_TARGET_UBOOT=y
+BR2_TARGET_UBOOT_BUILD_SYSTEM_LEGACY=y
+BR2_TARGET_UBOOT_BOARDNAME="ci20_mmc"
+BR2_TARGET_UBOOT_CUSTOM_GIT=y
+BR2_TARGET_UBOOT_CUSTOM_REPO_URL="https://github.com/MIPS/CI20_u-boot"
+BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION="a4f583551d0025eb957ee5c9cb68657a429e4914"
+BR2_TARGET_UBOOT_VERSION="a4f583551d0025eb957ee5c9cb68657a429e4914"
+BR2_TARGET_UBOOT_FORMAT_IMG=y
+BR2_TARGET_UBOOT_SPL=y
+BR2_TARGET_UBOOT_SPL_NAME="spl/u-boot-spl.bin"