+define BuildFirmware/W306R_4M
+ $(call BuildFirmware/w306r,$(1),$(2),$(call mkcmdline,$(3),$(4),$(5)) $(call mkmtd/$(6),$(mtdlayout_4M)),917504,2949120)
+endef
+
+define BuildFirmware/w306r
+ $(call PatchKernelLzma,$(2),$(3))
+ mkimage -A mips -O linux -T kernel -C lzma $(call kernel_entry)\
+ -n 'linkn Kernel Image' \
+ -d $(KDIR)/vmlinux-$(2).bin.lzma $(KDIR)/vmlinux-$(2).uImage
+ $(call CatFiles,$(KDIR)/vmlinux-$(2).uImage,$(4),$(KDIR)/root.$(1),$(5),$(call imgname,$(1),$(2))-factory.bin)
+endef
+