diff options
Diffstat (limited to 'target/linux/mediatek/image/mt7623.mk')
| -rw-r--r-- | target/linux/mediatek/image/mt7623.mk | 144 |
1 files changed, 104 insertions, 40 deletions
diff --git a/target/linux/mediatek/image/mt7623.mk b/target/linux/mediatek/image/mt7623.mk index 56f67c0e89..c404b333ba 100644 --- a/target/linux/mediatek/image/mt7623.mk +++ b/target/linux/mediatek/image/mt7623.mk @@ -1,59 +1,123 @@ KERNEL_LOADADDR := 0x80008000 DEVICE_VARS += UBOOT_TARGET UBOOT_OFFSET UBOOT_ENVSIZE -ifneq ($(CONFIG_MTK_BOOT_PARTSIZE),) -BOOTFS_BLOCK_SIZE := 1024 -BOOTFS_BLOCKS := $(shell echo $$(($(CONFIG_MTK_BOOT_PARTSIZE)*1024*1024/$(BOOTFS_BLOCK_SIZE)))) -endif +# The bootrom of MT7623 expects legacy MediaTek headers present in +# exactly the location also used for the primary GPT partition table. +# (*MMC_BOOT and BRLYT) +# Hence only MSDOS/MBR partitioning can work here. +# +# ------------------------ Sector Offset +# | MBR + SDMMC_BOOT | 0 0x0 +# |----------------------| +# | BRLYT header | 1 0x200 +# |----------------------| +# . . +# . . +# |----------------------| +# | | 4 0x800 +# | | +# | Preloader | +# . . +# . . +# | | 639 +# |----------------------| +# | MBR partition #1 | 640 0x50000 +# | | +# | U-Boot | +# . . +# . . +# | | 1663 +# |----------------------| +# | MBR partition #2 | +# | | +# | Recovery | +# . . +# . (uImage.FIT) . +# | | +# |----------------------| +# | MBR partition #3 | +# | | +# | Production | +# | | +# | (uImage.FIT, | +# . rootfs_Data.) . +# . . +# | | +# ------------------------ +# +# For eMMC boot, everything up to and including the preloader must be +# written to /dev/mmcblk0boot0, with the SDMMC_BOOT header changed to +# read EMMC_BOOT\0 instead. +# +# The contents of the main eMMC are identical to the SD card layout, +# with the preloader loading 512KiB of U-Boot starting at 0x50000. -define Build/mtk-mmc-img - rm -f $@.boot - mkfs.fat -C $@.boot $(BOOTFS_BLOCKS) +define Build/mt7623-mbr + cp $@ $@.tmp 2>/dev/null || true + ptgen -o $@.tmp -h 4 -s 63 -a 0 -l 1024 \ + -t 0x41 -N uboot -p 3584k@320k \ + -t 0xea -N recovery -p 40M@4M \ + $(if $(findstring sdmmc,$1), \ + -t 0x2e -N production -p 208M@48M \ + ) \ + $(if $(findstring emmc,$1), \ + -t 0x2e -N production -p 976M@48M \ + ) - if [ -r $(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-preloader.bin ]; then \ - ./gen_mtk_mmc_img.sh emmc $@.emmc \ - $(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-preloader.bin; \ - mcopy -i $@.boot $@.emmc ::eMMCboot.bin; \ - fi - mkenvimage -s $(UBOOT_ENVSIZE) -o $(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-uboot.env $(UBOOT_TARGET)-uEnv.txt - mcopy -i $@.boot $(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-uboot.env ::uboot.env - mcopy -i $@.boot $(IMAGE_KERNEL) ::uImage - ./gen_mtk_mmc_img.sh sd $@ \ - $(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-preloader.bin \ - $(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-u-boot*.bin \ - $(UBOOT_OFFSET) \ - $@.boot \ - $(IMAGE_ROOTFS) \ - $(CONFIG_MTK_BOOT_PARTSIZE) \ - $(CONFIG_TARGET_ROOTFS_PARTSIZE) + echo -en \ + $(if $(findstring sdmmc,$1),"SDMMC_BOOT\x00\x00\x01\x00\x00\x00\x00\x02\x00\x00") \ + $(if $(findstring emmc,$1),"EMMC_BOOT\x00\x00\x00\x01\x00\x00\x00\x00\x02\x00\x00") \ + | dd bs=1 of="$@.tmp" seek=0 conv=notrunc + + 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"\ + | dd bs=1 of="$@.tmp" seek=512 conv=notrunc + + cat $@.tmp >> $@ + rm $@.tmp endef -define Build/preloader - $(CP) $(STAGING_DIR_IMAGE)/$1-preloader.bin $@ +define Build/append-preloader + cat $(STAGING_DIR_IMAGE)/$1-preloader.bin >> $@ endef -define Build/scatterfile - ./gen_scatterfile.sh $(subst mt,MT,$(SUBTARGET)) "$1" \ - $(subst -scatter.txt,,$(notdir $@)) "$(DEVICE_TITLE)" > $@ +define Build/append-bootloader + cat $(STAGING_DIR_IMAGE)/$1-u-boot.bin >> $@ endef -define Device/bpi_bananapi-r2 - DEVICE_VENDOR := Bpi - DEVICE_MODEL := Banana Pi R2 +define Device/bananapi_bpi-r2 + DEVICE_VENDOR := Bananapi + DEVICE_MODEL := BPi-R2 DEVICE_DTS := mt7623n-bananapi-bpi-r2 - DEVICE_PACKAGES := kmod-fs-vfat kmod-nls-cp437 kmod-nls-iso8859-1 kmod-mmc \ - mkf2fs e2fsprogs kmod-usb-ohci kmod-usb2 kmod-usb3 kmod-ata-ahci-mtk - UBOOT_ENVSIZE := 0x2000 + DEVICE_PACKAGES := kmod-mmc mkf2fs e2fsprogs kmod-usb3 kmod-ata-ahci + UBOOT_ENVSIZE := 0x10000 UBOOT_OFFSET := 320k UBOOT_TARGET := mt7623n_bpir2 - IMAGES := img.gz - IMAGE/img.gz := mtk-mmc-img | gzip | append-metadata - ARTIFACT/preloader.bin := preloader $$(UBOOT_TARGET) - ARTIFACT/scatter.txt := scatterfile $$(firstword $$(FILESYSTEMS))-$$(firstword $$(IMAGES)) - ARTIFACTS = preloader.bin scatter.txt + UBOOT_PATH := $(STAGING_DIR_IMAGE)/mt7623n_bpir2-u-boot.bin + IMAGES := sysupgrade.itb + KERNEL := kernel-bin | gzip + KERNEL_INITRAMFS_SUFFIX := -recovery.itb + KERNEL_INITRAMFS := kernel-bin | gzip | fit gzip $$(DTS_DIR)/$$(DEVICE_DTS).dtb with-initrd + IMAGE/sysupgrade.itb := append-kernel | fit gzip $$(DTS_DIR)/$$(DEVICE_DTS).dtb external-static-with-rootfs | append-metadata + ARTIFACT/preloader.bin := append-preloader $$(UBOOT_TARGET) + ARTIFACT/u-boot.bin := append-uboot + ARTIFACT/sdcard.img.gz := mt7623-mbr sdmmc |\ + pad-to 2k | append-preloader $$(UBOOT_TARGET) |\ + pad-to 320k | append-bootloader $$(UBOOT_TARGET) |\ + pad-to 4092k | mt7623-mbr emmc |\ + pad-to 4M | append-image-stage initramfs-recovery.itb |\ + pad-to 48M | append-image squashfs-sysupgrade.itb |\ + gzip + ARTIFACTS = u-boot.bin preloader.bin scatter.txt sdcard.img.gz SUPPORTED_DEVICES := bananapi,bpi-r2 endef -TARGET_DEVICES += bpi_bananapi-r2 +TARGET_DEVICES += bananapi_bpi-r2 + + + +define Build/scatterfile + ./gen_scatterfile.sh $(subst mt,MT,$(SUBTARGET)) "$1" \ + $(subst -scatter.txt,,$(notdir $@)) "$(DEVICE_TITLE)" > $@ +endef # Full eMMC image including U-Boot and partition table define Device/unielec_u7623-emmc |