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domenico
2025-06-24 12:51:15 +02:00
commit 27c9d80f51
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196
target/linux/mediatek/image/mt7623.mk Normal file
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ifneq ($(KERNEL),6.1)
DTS_DIR := $(DTS_DIR)/mediatek
endif
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
ifeq ($(DUMP),)
IMAGE_SIZE := $$(shell expr 48 + $$(CONFIG_TARGET_ROOTFS_PARTSIZE))m
endif
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 |\
$(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),\
pad-to 4M | append-image-stage initramfs-recovery.itb | check-size 48m |\
) \
$(if $(CONFIG_TARGET_ROOTFS_SQUASHFS),\
pad-to 48M | append-image squashfs-sysupgrade.itb | check-size |\
) \
gzip
ARTIFACTS := u-boot.bin preloader.bin sdcard.img.gz
SUPPORTED_DEVICES := bananapi,bpi-r2
DEVICE_COMPAT_VERSION := 1.1
DEVICE_COMPAT_MESSAGE := Bootloader update required for switch to fitblk
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)
ifeq ($(DUMP),)
IMAGE_SIZE := $$(shell expr 48 + $$(CONFIG_TARGET_ROOTFS_PARTSIZE))m
endif
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) |\
$(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),\
pad-to 4M | append-image-stage initramfs-recovery.itb | check-size 48m |\
) \
$(if $(CONFIG_TARGET_ROOTFS_SQUASHFS),\
pad-to 48M | append-image squashfs-sysupgrade.itb | check-size |\
) \
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