5787684cb4
Many MediaTek SoCs can be unbricked by using the SP Flash Tool from http://spflashtool.com/ along with a "scatter list" file, which is just a text file listing which image gets loaded where. We use a trivial partition layout for the tool, with the whole eMMC image as a single "partition", which means users just need to unzip the sysupgrade image. Doing the real partition layout would be overly complex and would require the individual partitions to be shipped as artifacts — or users to extract them out of the sysupgrade image just for the tool to put them adjacent to each other on the eMMC anyway. The tool does require a copy of the preloader in order to operate, even when it isn't flashing the preloader to the eMMC boot region. So drop that into the bin directory as an artifact too. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
67 lines
2.4 KiB
Makefile
67 lines
2.4 KiB
Makefile
KERNEL_LOADADDR := 0x80008000
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DEVICE_VARS += UBOOT_TARGET
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ifneq ($(CONFIG_BANANA_PI_BOOT_PARTSIZE),)
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BOOTFS_BLOCK_SIZE := 1024
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BOOTFS_BLOCKS := $(shell echo $$(($(CONFIG_BANANA_PI_BOOT_PARTSIZE)*1024*1024/$(BOOTFS_BLOCK_SIZE))))
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endif
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define Build/banana-pi-sdcard
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rm -f $@.boot
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mkfs.fat -C $@.boot $(BOOTFS_BLOCKS)
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./gen_banana_pi_img.sh emmc $@.emmc \
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$(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-preloader.bin
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mkenvimage -s 0x2000 -o $(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-uboot.env $(UBOOT_TARGET)-uEnv.txt
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mcopy -i $@.boot $(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-uboot.env ::uboot.env
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mcopy -i $@.boot $(IMAGE_KERNEL) ::uImage
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mcopy -i $@.boot $@.emmc ::eMMCboot.bin
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./gen_banana_pi_img.sh sd $@ \
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$(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-preloader.bin \
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$(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-u-boot.bin \
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$@.boot \
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$(IMAGE_ROOTFS) \
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$(CONFIG_BANANA_PI_BOOT_PARTSIZE) \
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$(CONFIG_TARGET_ROOTFS_PARTSIZE)
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endef
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define Build/preloader
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$(CP) $(STAGING_DIR_IMAGE)/$1-preloader.bin $@
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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/bpi_bananapi-r2
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DEVICE_VENDOR := Bpi
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DEVICE_MODEL := Banana Pi R2
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DEVICE_DTS := mt7623n-bananapi-bpi-r2
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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-mtk
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UBOOT_TARGET := mt7623n_bpir2
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IMAGES := img.gz
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IMAGE/img.gz := banana-pi-sdcard | gzip | append-metadata
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ARTIFACT/preloader.bin := preloader $$(UBOOT_TARGET)
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ARTIFACT/scatter.txt := scatterfile $$(firstword $$(FILESYSTEMS))-$$(firstword $$(IMAGES))
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ARTIFACTS = preloader.bin scatter.txt
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SUPPORTED_DEVICES := bananapi,bpi-r2
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endef
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TARGET_DEVICES += bpi_bananapi-r2
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define Device/unielec_u7623-02-emmc-512m
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DEVICE_VENDOR := UniElec
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DEVICE_MODEL := U7623-02
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DEVICE_VARIANT := eMMC/512MB RAM
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DEVICE_DTS := mt7623a-unielec-u7623-02-emmc-512m
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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-mtk
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IMAGES := sysupgrade-emmc.bin.gz
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IMAGE/sysupgrade-emmc.bin.gz := sysupgrade-emmc | gzip | append-metadata
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endef
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TARGET_DEVICES += unielec_u7623-02-emmc-512m
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