diff --git a/package/boot/uboot-rockchip/Makefile b/package/boot/uboot-rockchip/Makefile
index 2344638993..b7f751db28 100644
--- a/package/boot/uboot-rockchip/Makefile
+++ b/package/boot/uboot-rockchip/Makefile
@@ -230,10 +230,15 @@ define U-Boot/lyt-t68m-rk3568
 endef
 
 define U-Boot/mrkaio-m68s-rk3568
-  $(U-Boot/rk3568/Default)
+  BUILD_SUBTARGET:=armv8
   NAME:=Mrkaio M68S
   BUILD_DEVICES:= \
-    ezpro_mrkaio-m68s
+    ezpro_mrkaio-m68s \
+    ezpro_mrkaio-m68s-plus
+  DEPENDS:=+PACKAGE_u-boot-mrkaio-m68s-rk3568:arm-trusted-firmware-rk3568
+  PKG_BUILD_DEPENDS:=arm-trusted-firmware-rockchip-vendor
+  ATF:=rk3568_bl31_v1.28.elf
+  DDR:=rk3568_ddr_1560MHz_v1.13.bin
 endef
 
 define U-Boot/nanopi-r5c-rk3568