diff --git a/target/linux/ramips/dts/XiaoYu-C5.dts b/target/linux/ramips/dts/XiaoYu-C5.dts
index 6b7cecb26..4183734d4 100644
--- a/target/linux/ramips/dts/XiaoYu-C5.dts
+++ b/target/linux/ramips/dts/XiaoYu-C5.dts
@@ -16,6 +16,11 @@
 		led-upgrade = &led_sys;
 		label-mac-device = &ethernet;
 	};
+	
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x1c000000>, <0x20000000 0x4000000>;
+	};
 
 	chosen {
 		bootargs = "console=ttyS0,57600";