191 lines
7.1 KiB
Makefile
191 lines
7.1 KiB
Makefile
DEVICE_VARS += UBOOT_TARGET UBOOT_OFFSET UBOOT_IMAGE
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# The bootrom of MT7623 expects legacy MediaTek headers present in
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# exactly the location also used for the primary GPT partition table.
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# (*MMC_BOOT and BRLYT)
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# Hence only MSDOS/MBR partitioning can work here.
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#
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# ------------------------ Sector Offset
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# | MBR + SDMMC_BOOT | 0 0x0
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# |----------------------|
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# | BRLYT header | 1 0x200
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# |----------------------|
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# . .
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# . .
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# |----------------------|
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# | | 4 0x800
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# | |
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# | Preloader |
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# . .
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# . .
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# | | 639
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# |----------------------|
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# | MBR partition #1 | 640 0x50000
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# | |
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# | U-Boot |
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# . .
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# . .
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# | | 1663
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# |----------------------|
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# | MBR partition #2 |
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# | |
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# | Recovery |
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# . .
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# . (uImage.FIT) .
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# | |
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# |----------------------|
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# | MBR partition #3 |
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# | |
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# | Production |
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# | |
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# | (uImage.FIT, |
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# . rootfs_Data.) .
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# . .
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# | |
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# ------------------------
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#
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# For eMMC boot, everything up to and including the preloader must be
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# written to /dev/mmcblk0boot0, with the SDMMC_BOOT header changed to
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# read EMMC_BOOT\0 instead.
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#
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# The contents of the main eMMC are identical to the SD card layout,
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# with the preloader loading 512KiB of U-Boot starting at 0x50000.
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define Build/mt7623-mbr
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cp $@ $@.tmp 2>/dev/null || true
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ptgen -o $@.tmp -h 4 -s 63 -a 0 -l 1024 \
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-t 0x41 -N uboot -p 1M@$(UBOOT_OFFSET) \
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-t 0xea -N recovery -p 40M@4M \
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-t 0x2e -N production -p $(CONFIG_TARGET_ROOTFS_PARTSIZE)M@48M
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echo -en \
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$(if $(findstring sdmmc,$1),"SDMMC_BOOT\x00\x00\x01\x00\x00\x00\x00\x02\x00\x00") \
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$(if $(findstring emmc,$1),"EMMC_BOOT\x00\x00\x00\x01\x00\x00\x00\x00\x02\x00\x00") \
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| dd bs=1 of="$@.tmp" seek=0 conv=notrunc
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echo -en "BRLYT\x00\x00\x00\x01\x00\x00\x00\x00\x08\x00\x00\x00\x08\x00\x00\x42\x42\x42\x42\x08\x00\x01\x00\x00\x08\x00\x00\x00\x08\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"\
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| dd bs=1 of="$@.tmp" seek=512 conv=notrunc
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cat $@.tmp >> $@
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rm $@.tmp
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endef
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define Build/append-preloader
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cat $(STAGING_DIR_IMAGE)/$1-preloader.bin >> $@
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endef
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define Build/append-bootloader
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cat $(STAGING_DIR_IMAGE)/$1-$(UBOOT_IMAGE) >> $@
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endef
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define Build/scatterfile
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./gen_scatterfile.sh $(subst mt,MT,$(SUBTARGET)) "$1" \
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$(subst -scatter.txt,,$(notdir $@)) "$(DEVICE_TITLE)" > $@
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endef
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define Device/bananapi_bpi-r2
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DEVICE_VENDOR := Bananapi
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DEVICE_MODEL := BPi-R2
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DEVICE_DTS := mt7623n-bananapi-bpi-r2
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DEVICE_PACKAGES := mkf2fs e2fsprogs kmod-usb3 kmod-ata-ahci
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UBOOT_OFFSET := 320k
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UBOOT_TARGET := mt7623n_bpir2
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UBOOT_IMAGE := u-boot.bin
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UBOOT_PATH := $(STAGING_DIR_IMAGE)/$$(UBOOT_TARGET)-$$(UBOOT_IMAGE)
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IMAGES := sysupgrade.itb
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KERNEL := kernel-bin | gzip
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KERNEL_INITRAMFS_SUFFIX := -recovery.itb
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KERNEL_INITRAMFS := kernel-bin | gzip | fit gzip $$(DTS_DIR)/$$(DEVICE_DTS).dtb with-initrd
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ifeq ($(DUMP),)
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IMAGE_SIZE := $$(shell expr 48 + $$(CONFIG_TARGET_ROOTFS_PARTSIZE))m
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endif
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IMAGE/sysupgrade.itb := append-kernel | fit gzip $$(DTS_DIR)/$$(DEVICE_DTS).dtb external-static-with-rootfs | append-metadata
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ARTIFACT/preloader.bin := mt7623-mbr emmc |\
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pad-to 2k | append-preloader $$(UBOOT_TARGET)
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ARTIFACT/u-boot.bin := append-uboot
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ARTIFACT/sdcard.img.gz := mt7623-mbr sdmmc |\
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pad-to 2k | append-preloader $$(UBOOT_TARGET) |\
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pad-to $$(UBOOT_OFFSET) | append-bootloader $$(UBOOT_TARGET) |\
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pad-to 4092k | mt7623-mbr emmc |\
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$(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),\
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pad-to 4M | append-image-stage initramfs-recovery.itb | check-size 48m |\
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) \
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$(if $(CONFIG_TARGET_ROOTFS_SQUASHFS),\
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pad-to 48M | append-image squashfs-sysupgrade.itb | check-size |\
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) \
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gzip
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ARTIFACTS := u-boot.bin preloader.bin sdcard.img.gz
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SUPPORTED_DEVICES := bananapi,bpi-r2
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endef
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TARGET_DEVICES += bananapi_bpi-r2
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define Device/unielec_u7623-02
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DEVICE_VENDOR := UniElec
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DEVICE_MODEL := U7623-02
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# When we use FIT images, U-Boot will populate the /memory node with the correct
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# memory size discovered from the preloader, so we don't need separate builds.
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DEVICE_DTS := mt7623a-unielec-u7623-02
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DEVICE_DTS_DIR := ../dts
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DEVICE_PACKAGES := kmod-fs-vfat kmod-nls-cp437 kmod-nls-iso8859-1 kmod-mmc \
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mkf2fs e2fsprogs kmod-usb-ohci kmod-usb2 kmod-usb3 kmod-ata-ahci
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UBOOT_OFFSET := 256k
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UBOOT_TARGET := mt7623a_unielec_u7623
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UBOOT_IMAGE := u-boot-mtk.bin
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UBOOT_PATH := $(STAGING_DIR_IMAGE)/$$(UBOOT_TARGET)-$$(UBOOT_IMAGE)
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ifeq ($(DUMP),)
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IMAGE_SIZE := $$(shell expr 48 + $$(CONFIG_TARGET_ROOTFS_PARTSIZE))m
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endif
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IMAGES := sysupgrade.itb
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KERNEL := kernel-bin | gzip
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KERNEL_INITRAMFS_SUFFIX := -recovery.itb
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KERNEL_INITRAMFS := kernel-bin | gzip | fit gzip $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb with-initrd
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IMAGE/sysupgrade.itb := append-kernel | fit gzip $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb external-static-with-rootfs | append-metadata
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ARTIFACT/u-boot.bin := append-uboot
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# vendor Preloader seems not to care about SDMMC_BOOT/EMMC_BOOT header,
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# but OpenWrt expects 'SDMM' magic for sysupgrade.
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ARTIFACT/emmc.img.gz := mt7623-mbr sdmmc |\
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pad-to $$(UBOOT_OFFSET) | append-bootloader $$(UBOOT_TARGET) |\
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$(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),\
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pad-to 4M | append-image-stage initramfs-recovery.itb | check-size 48m |\
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) \
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$(if $(CONFIG_TARGET_ROOTFS_SQUASHFS),\
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pad-to 48M | append-image squashfs-sysupgrade.itb | check-size |\
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) \
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gzip | append-metadata
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ARTIFACT/scatter.txt := scatterfile emmc.img.gz
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ARTIFACTS := u-boot.bin scatter.txt emmc.img.gz
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SUPPORTED_DEVICES += unielec,u7623-02-emmc-512m
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endef
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TARGET_DEVICES += unielec_u7623-02
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# Legacy helper for U7623 board
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define Build/fat-recovery-fs
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rm -f $@.recovery
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mkfs.fat -C $@.recovery 3070
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cat $@.recovery >> $@
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endef
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# Legacy partial image for U7623
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# This preserves the vendor U-Boot and starts with a uImage at 0xA00
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define Device/unielec_u7623-02-emmc-512m-legacy
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DEVICE_VENDOR := UniElec
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DEVICE_MODEL := U7623-02
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DEVICE_VARIANT := eMMC/512MiB RAM (legacy image)
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DEVICE_DTS := mt7623a-unielec-u7623-02-emmc-512m
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DEVICE_DTS_DIR := ../dts
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KERNEL_NAME := zImage
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KERNEL := kernel-bin | append-dtb | uImage none
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KERNEL_INITRAMFS := kernel-bin | append-dtb | uImage none
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DEVICE_PACKAGES := kmod-fs-vfat kmod-nls-cp437 kmod-nls-iso8859-1 kmod-mmc \
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mkf2fs e2fsprogs kmod-usb-ohci kmod-usb2 kmod-usb3 kmod-ata-ahci \
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partx-utils
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IMAGES := sysupgrade.bin.gz
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IMAGE/sysupgrade.bin.gz := append-kernel |\
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pad-to 4864k | fat-recovery-fs |\
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pad-to 7936k | append-rootfs |\
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gzip | append-metadata
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SUPPORTED_DEVICES := unielec,u7623-02-emmc-512m
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endef
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TARGET_DEVICES += unielec_u7623-02-emmc-512m-legacy
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