target/linux/mediatek/image/mt7623.mk

   1 KERNEL_LOADADDR := 0x80008000
   2 DEVICE_VARS += UBOOT_TARGET UBOOT_OFFSET UBOOT_ENVSIZE
   3
   4 # The bootrom of MT7623 expects legacy MediaTek headers present in
   5 # exactly the location also used for the primary GPT partition table.
   6 # (*MMC_BOOT and BRLYT)
   7 # Hence only MSDOS/MBR partitioning can work here.
   8 #
   9 #   ------------------------   Sector   Offset
  10 #   |  MBR + SDMMC_BOOT    |     0       0x0
  11 #   |----------------------|
  12 #   |     BRLYT header     |     1       0x200
  13 #   |----------------------|
  14 #   .                      .
  15 #   .                      .
  16 #   |----------------------|
  17 #   |                      |     4       0x800
  18 #   |                      |
  19 #   |     Preloader        |
  20 #   .                      .
  21 #   .                      .
  22 #   |                      |     639
  23 #   |----------------------|
  24 #   |   MBR partition #1   |     640     0x50000
  25 #   |                      |
  26 #   |       U-Boot         |
  27 #   .                      .
  28 #   .                      .
  29 #   |                      |     1663
  30 #   |----------------------|
  31 #   |   MBR partition #2   |
  32 #   |                      |
  33 #   |       Recovery       |
  34 #   .                      .
  35 #   .     (uImage.FIT)     .
  36 #   |                      |
  37 #   |----------------------|
  38 #   |   MBR partition #3   |
  39 #   |                      |
  40 #   |      Production      |
  41 #   |                      |
  42 #   |     (uImage.FIT,     |
  43 #   .     rootfs_Data.)    .
  44 #   .                      .
  45 #   |                      |
  46 #   ------------------------
  47 #
  48 # For eMMC boot, everything up to and including the preloader must be
  49 # written to /dev/mmcblk0boot0, with the SDMMC_BOOT header changed to
  50 # read EMMC_BOOT\0 instead.
  51 #
  52 # The contents of the main eMMC are identical to the SD card layout,
  53 # with the preloader loading 512KiB of U-Boot starting at 0x50000.
  54
  55 define Build/mt7623-mbr
  56         cp $@ $@.tmp 2>/dev/null || true
  57         ptgen -o $@.tmp -h 4 -s 63 -a 0 -l 1024 \
  58                         -t 0x41 -N uboot        -p 3584k@320k \
  59                         -t 0xea -N recovery     -p 40M@4M \
  60                 $(if $(findstring sdmmc,$1), \
  61                         -t 0x2e -N production   -p 208M@48M \
  62                 ) \
  63                 $(if $(findstring emmc,$1), \
  64                         -t 0x2e -N production   -p 976M@48M \
  65                 )
  66
  67         echo -en \
  68                 $(if $(findstring sdmmc,$1),"SDMMC_BOOT\x00\x00\x01\x00\x00\x00\x00\x02\x00\x00") \
  69                 $(if $(findstring emmc,$1),"EMMC_BOOT\x00\x00\x00\x01\x00\x00\x00\x00\x02\x00\x00") \
  70                 | dd bs=1 of="$@.tmp" seek=0 conv=notrunc
  71
  72         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"\
  73                 | dd bs=1 of="$@.tmp" seek=512 conv=notrunc
  74
  75         cat $@.tmp >> $@
  76         rm $@.tmp
  77 endef
  78
  79 define Build/append-preloader
  80         cat $(STAGING_DIR_IMAGE)/$1-preloader.bin >> $@
  81 endef
  82
  83 define Build/append-bootloader
  84         cat $(STAGING_DIR_IMAGE)/$1-u-boot.bin >> $@
  85 endef
  86
  87 define Device/bananapi_bpi-r2
  88   DEVICE_VENDOR := Bananapi
  89   DEVICE_MODEL := BPi-R2
  90   DEVICE_DTS := mt7623n-bananapi-bpi-r2
  91   DEVICE_PACKAGES := mkf2fs e2fsprogs kmod-usb3 kmod-ata-ahci
  92   UBOOT_ENVSIZE := 0x10000
  93   UBOOT_OFFSET := 320k
  94   UBOOT_TARGET := mt7623n_bpir2
  95   UBOOT_PATH := $(STAGING_DIR_IMAGE)/mt7623n_bpir2-u-boot.bin
  96   IMAGES := sysupgrade.itb
  97   KERNEL := kernel-bin | gzip
  98   KERNEL_INITRAMFS_SUFFIX := -recovery.itb
  99   KERNEL_INITRAMFS := kernel-bin | gzip | fit gzip $$(DTS_DIR)/$$(DEVICE_DTS).dtb with-initrd
 100   IMAGE/sysupgrade.itb := append-kernel | fit gzip $$(DTS_DIR)/$$(DEVICE_DTS).dtb external-static-with-rootfs | append-metadata
 101   ARTIFACT/preloader.bin := append-preloader $$(UBOOT_TARGET)
 102   ARTIFACT/u-boot.bin := append-uboot
 103   ARTIFACT/sdcard.img.gz := mt7623-mbr sdmmc |\
 104                             pad-to 2k | append-preloader $$(UBOOT_TARGET) |\
 105                             pad-to 320k | append-bootloader $$(UBOOT_TARGET) |\
 106                             pad-to 4092k | mt7623-mbr emmc |\
 107                             pad-to 4M | append-image-stage initramfs-recovery.itb |\
 108                             pad-to 48M | append-image squashfs-sysupgrade.itb |\
 109                             gzip
 110   ARTIFACTS = u-boot.bin preloader.bin scatter.txt sdcard.img.gz
 111   SUPPORTED_DEVICES := bananapi,bpi-r2
 112 endef
 113 TARGET_DEVICES += bananapi_bpi-r2
 114
 115
 116 define Build/mtk-mmc-img
 117         rm -f $@.boot
 118         mkfs.fat -C $@.boot $(BOOTFS_BLOCKS)
 119
 120         if [ -r $(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-preloader.bin ]; then \
 121                 ./gen_mtk_mmc_img.sh emmc $@.emmc \
 122                         $(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-preloader.bin; \
 123                 mcopy -i $@.boot $@.emmc ::eMMCboot.bin; \
 124         fi
 125         mkenvimage -s $(UBOOT_ENVSIZE) -o $(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-uboot.env $(UBOOT_TARGET)-uEnv.txt
 126         mcopy -i $@.boot $(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-uboot.env ::uboot.env
 127         mcopy -i $@.boot $(IMAGE_KERNEL) ::uImage
 128         ./gen_mtk_mmc_img.sh sd $@ \
 129                 $(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-preloader.bin \
 130                 $(STAGING_DIR_IMAGE)/$(UBOOT_TARGET)-u-boot*.bin \
 131                 $(UBOOT_OFFSET) \
 132                 $@.boot \
 133                 $(IMAGE_ROOTFS) \
 134                 $(CONFIG_MTK_BOOT_PARTSIZE) \
 135                 $(CONFIG_TARGET_ROOTFS_PARTSIZE)
 136 endef
 137
 138 define Build/scatterfile
 139         ./gen_scatterfile.sh $(subst mt,MT,$(SUBTARGET)) "$1" \
 140                 $(subst -scatter.txt,,$(notdir $@)) "$(DEVICE_TITLE)" > $@
 141 endef
 142
 143 # Full eMMC image including U-Boot and partition table
 144 define Device/unielec_u7623-emmc
 145   DEVICE_VENDOR := UniElec
 146   DEVICE_MODEL := U7623
 147   DEVICE_VARIANT := eMMC
 148   # When we use FIT images, U-Boot will populate the /memory node with the correct
 149   # memory size discovered from the preloader, so we don't need separate builds.
 150   DEVICE_DTS := mt7623a-unielec-u7623-02-emmc-512m
 151   DEVICE_DTS_DIR := ../dts
 152   SUPPORTED_DEVICES := unielec,u7623-02-emmc-512m
 153   UBOOT_ENVSIZE := 0x1000
 154   UBOOT_OFFSET := 256k
 155   UBOOT_TARGET := mt7623a_unielec_u7623
 156   IMAGES := img.gz
 157   IMAGE/img.gz := mtk-mmc-img | gzip | append-metadata
 158   DEVICE_PACKAGES := kmod-fs-vfat kmod-nls-cp437 kmod-nls-iso8859-1 kmod-mmc \
 159        mkf2fs e2fsprogs kmod-usb-ohci kmod-usb2 kmod-usb3 kmod-ata-ahci-mtk
 160   ARTIFACT/scatter.txt := scatterfile $$(firstword $$(FILESYSTEMS))-$$(firstword $$(IMAGES))
 161   ARTIFACTS := scatter.txt
 162 endef
 163 TARGET_DEVICES += unielec_u7623-emmc
 164
 165 # Legacy partial image for U7623
 166 # This preserves the vendor U-Boot and starts with a uImage at 0xA00
 167 define Device/unielec_u7623-02-emmc-512m-legacy
 168   DEVICE_VENDOR := UniElec
 169   DEVICE_MODEL := U7623-02
 170   DEVICE_VARIANT := eMMC/512MiB RAM (legacy image)
 171   DEVICE_DTS := mt7623a-unielec-u7623-02-emmc-512m
 172   DEVICE_DTS_DIR := ../dts
 173   KERNEL_NAME := zImage
 174   KERNEL := kernel-bin | append-dtb | uImage none
 175   KERNEL_INITRAMFS := kernel-bin | append-dtb | uImage none
 176   DEVICE_PACKAGES := kmod-fs-vfat kmod-nls-cp437 kmod-nls-iso8859-1 kmod-mmc \
 177         mkf2fs e2fsprogs kmod-usb-ohci kmod-usb2 kmod-usb3 kmod-ata-ahci-mtk
 178   IMAGES := sysupgrade-emmc.bin.gz
 179   IMAGE/sysupgrade-emmc.bin.gz := sysupgrade-emmc | gzip | append-metadata
 180   SUPPORTED_DEVICES := unielec,u7623-02-emmc-512m
 181 endef
 182 TARGET_DEVICES += unielec_u7623-02-emmc-512m-legacy