DEVICE_VARS += UBOOT_TARGET UBOOT_OFFSET UBOOT_IMAGE # 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/mt7623-mbr cp $@ $@.tmp 2>/dev/null || true ptgen -o $@.tmp -h 4 -s 63 -a 0 -l 1024 \ -t 0x41 -N uboot -p 1M@$(UBOOT_OFFSET) \ -t 0xea -N recovery -p 40M@4M \ -t 0x2e -N production -p $(CONFIG_TARGET_ROOTFS_PARTSIZE)M@48M 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/append-preloader cat $(STAGING_DIR_IMAGE)/$1-preloader.bin >> $@ endef define Build/append-bootloader cat $(STAGING_DIR_IMAGE)/$1-$(UBOOT_IMAGE) >> $@ endef define Build/scatterfile ./gen_scatterfile.sh $(subst mt,MT,$(SUBTARGET)) "$1" \ $(subst -scatter.txt,,$(notdir $@)) "$(DEVICE_TITLE)" > $@ endef define Device/bananapi_bpi-r2 DEVICE_VENDOR := Bananapi DEVICE_MODEL := BPi-R2 DEVICE_DTS := mt7623n-bananapi-bpi-r2 DEVICE_PACKAGES := mkf2fs e2fsprogs kmod-usb3 kmod-ata-ahci UBOOT_OFFSET := 320k UBOOT_TARGET := mt7623n_bpir2 UBOOT_IMAGE := u-boot.bin UBOOT_PATH := $(STAGING_DIR_IMAGE)/$$(UBOOT_TARGET)-$$(UBOOT_IMAGE) 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 := mt7623-mbr emmc |\ pad-to 2k | 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 $$(UBOOT_OFFSET) | append-bootloader $$(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 sdcard.img.gz SUPPORTED_DEVICES := bananapi,bpi-r2 endef TARGET_DEVICES += bananapi_bpi-r2 define Device/unielec_u7623-02 DEVICE_VENDOR := UniElec DEVICE_MODEL := U7623-02 # When we use FIT images, U-Boot will populate the /memory node with the correct # memory size discovered from the preloader, so we don't need separate builds. DEVICE_DTS := mt7623a-unielec-u7623-02 DEVICE_DTS_DIR := ../dts 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 UBOOT_OFFSET := 256k UBOOT_TARGET := mt7623a_unielec_u7623 UBOOT_IMAGE := u-boot-mtk.bin UBOOT_PATH := $(STAGING_DIR_IMAGE)/$$(UBOOT_TARGET)-$$(UBOOT_IMAGE) IMAGES := sysupgrade.itb KERNEL := kernel-bin | gzip KERNEL_INITRAMFS_SUFFIX := -recovery.itb KERNEL_INITRAMFS := kernel-bin | gzip | fit gzip $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb with-initrd IMAGE/sysupgrade.itb := append-kernel | fit gzip $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb external-static-with-rootfs | append-metadata ARTIFACT/u-boot.bin := append-uboot # vendor Preloader seems not to care about SDMMC_BOOT/EMMC_BOOT header, # but OpenWrt expects 'SDMM' magic for sysupgrade. ARTIFACT/emmc.img.gz := mt7623-mbr sdmmc |\ pad-to $$(UBOOT_OFFSET) | append-bootloader $$(UBOOT_TARGET) |\ pad-to 4M | append-image-stage initramfs-recovery.itb |\ pad-to 48M | append-image squashfs-sysupgrade.itb |\ gzip | append-metadata ARTIFACT/scatter.txt := scatterfile emmc.img.gz ARTIFACTS := u-boot.bin scatter.txt emmc.img.gz SUPPORTED_DEVICES += unielec,u7623-02-emmc-512m endef TARGET_DEVICES += unielec_u7623-02 # Legacy helper for U7623 board define Build/fat-recovery-fs rm -f $@.recovery mkfs.fat -C $@.recovery 3070 cat $@.recovery >> $@ endef # Legacy partial image for U7623 # This preserves the vendor U-Boot and starts with a uImage at 0xA00 define Device/unielec_u7623-02-emmc-512m-legacy DEVICE_VENDOR := UniElec DEVICE_MODEL := U7623-02 DEVICE_VARIANT := eMMC/512MiB RAM (legacy image) DEVICE_DTS := mt7623a-unielec-u7623-02-emmc-512m DEVICE_DTS_DIR := ../dts KERNEL_NAME := zImage KERNEL := kernel-bin | append-dtb | uImage none KERNEL_INITRAMFS := kernel-bin | append-dtb | uImage none 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 \ partx-utils IMAGES := sysupgrade.bin.gz IMAGE/sysupgrade.bin.gz := append-kernel |\ pad-to 4864k | fat-recovery-fs |\ pad-to 7936k | append-rootfs |\ gzip | append-metadata SUPPORTED_DEVICES := unielec,u7623-02-emmc-512m endef TARGET_DEVICES += unielec_u7623-02-emmc-512m-legacy