+DEVICE_VARS += DAP_SIGNATURE NETGEAR_BOARD_ID NETGEAR_HW_ID NETGEAR_KERNEL_MAGIC ROOTFS_SIZE SEAMA_SIGNATURE
+
+define Build/alfa-network-rootfs-header
+ mkimage \
+ -A mips -O linux -T filesystem -C lzma -a 0 -e 0 \
+ -n 'RootfsImage' -d $@ $@.new
+ @mv $@.new $@
+endef
+
+define Build/mkbuffaloimg
+ $(STAGING_DIR_HOST)/bin/mkbuffaloimg -B $(BOARDNAME) \
+ -R $$(($(subst k, * 1024,$(ROOTFS_SIZE)))) \
+ -K $$(($(subst k, * 1024,$(KERNEL_SIZE)))) \
+ -i $@ -o $@.new
+ mv $@.new $@
+endef
+
+define Build/mkwrggimg
+ $(STAGING_DIR_HOST)/bin/mkwrggimg -b \
+ -i $@ -o $@.imghdr -d /dev/mtdblock/1 \
+ -m $(BOARDNAME) -s $(DAP_SIGNATURE) \
+ -v OpenWrt -B $(REVISION)
+ mv $@.imghdr $@
+endef
+
+define Build/netgear-squashfs
+ rm -rf $@.fs $@.squashfs
+ mkdir -p $@.fs/image
+ cp $@ $@.fs/image/uImage
+ $(STAGING_DIR_HOST)/bin/mksquashfs-lzma \
+ $@.fs $@.squashfs \
+ -noappend -root-owned -be -b 65536 \
+ $(if $(SOURCE_DATE_EPOCH),-fixed-time $(SOURCE_DATE_EPOCH))
+
+ dd if=/dev/zero bs=1k count=1 >> $@.squashfs
+ mkimage \
+ -A mips -O linux -T filesystem -C none \
+ -M $(NETGEAR_KERNEL_MAGIC) \
+ -a 0xbf070000 -e 0xbf070000 \
+ -n 'MIPS OpenWrt Linux-$(LINUX_VERSION)' \
+ -d $@.squashfs $@
+ rm -rf $@.squashfs $@.fs
+endef
+
+define Build/netgear-uImage
+ $(call Build/uImage,$(1) -M $(NETGEAR_KERNEL_MAGIC))
+endef
+
+define Build/relocate-kernel
+ rm -rf $@.relocate
+ $(CP) ../../generic/image/relocate $@.relocate
+ $(MAKE) -j1 -C $@.relocate KERNEL_ADDR=$(KERNEL_LOADADDR) CROSS_COMPILE=$(TARGET_CROSS)
+ ( \
+ dd if=$@.relocate/loader.bin bs=32 conv=sync && \
+ perl -e '@s = stat("$@"); print pack("N", @s[7])' && \
+ cat "$@" \
+ ) > "$@.new"
+ mv "$@.new" "$@"
+ rm -rf $@.relocate
+endef
+
+define Build/seama
+ $(STAGING_DIR_HOST)/bin/seama -i $@ $(if $(1),$(1),-m "dev=/dev/mtdblock/1" -m "type=firmware")
+ mv $@.seama $@
+endef
+
+define Build/seama-seal
+ $(call Build/seama,-s $@.seama $(1))
+endef
+
+define Build/uImageHiWiFi
+ # Field ih_name needs to start with "tw150v1"
+ mkimage -A $(LINUX_KARCH) \
+ -O linux -T kernel \
+ -C $(1) -a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
+ -n 'tw150v1 $(call toupper,$(LINUX_KARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $@ $@.new
+ @mv $@.new $@
+endef
+
+define Build/wrgg-pad-rootfs
+ $(STAGING_DIR_HOST)/bin/padjffs2 $(IMAGE_ROOTFS) -c 64 >>$@
+endef
+
+
+define Device/ap121f
+ DEVICE_TITLE := ALFA Network AP121F
+ DEVICE_PACKAGES := kmod-usb-core kmod-usb2 kmod-usb-storage -swconfig
+ BOARDNAME := AP121F
+ IMAGE_SIZE := 16064k
+ CONSOLE := ttyATH0,115200
+ MTDPARTS := spi0.0:192k(u-boot)ro,64k(u-boot-env),64k(art)ro,-(firmware)
+ SUPPORTED_DEVICES := ap121f
+ IMAGE/sysupgrade.bin = append-kernel | pad-to $$$$(BLOCKSIZE) | \
+ append-rootfs | pad-rootfs | append-metadata | check-size $$$$(IMAGE_SIZE)
+endef
+TARGET_DEVICES += ap121f
+
+define Device/ap531b0
+ DEVICE_TITLE := Rockeetech AP531B0
+ DEVICE_PACKAGES := kmod-usb-core kmod-usb2
+ BOARDNAME := AP531B0
+ IMAGE_SIZE := 16000k
+ MTDPARTS := spi0.0:256k(u-boot)ro,64k(u-boot-env)ro,16000k(firmware),64k(art)ro
+endef
+TARGET_DEVICES += ap531b0
+