diff --git a/target/linux/rdc/base-files/lib/upgrade/platform.sh b/target/linux/rdc/base-files/lib/upgrade/platform.sh
new file mode 100644
index 0000000000..6e4a7df80f
--- /dev/null
+++ b/target/linux/rdc/base-files/lib/upgrade/platform.sh
@@ -0,0 +1,16 @@
+PART_NAME=linux
+
+platform_check_image() {
+	[ "$ARGC" -gt 1 ] && return 1
+
+	case "$(get_magic_word "$1")" in
+		# rdc .bin files for ar360w3g
+		474d) return 0;;
+		*)
+			echo "Invalid image type. Please use an appropriate .bin file"
+			return 1
+		;;
+	esac
+}
+
+# use default for platform_do_upgrade()