target/linux/mediatek/image/mt7623.mk

   1 KERNEL_LOADADDR := 0x80008000
   2 DEVICE_VARS += UBOOT_TARGET UBOOT_OFFSET UBOOT_IMAGE
   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 $@.tmp -h 4 -s 63 -a 0 -l 1024 \
  58                         -t 0x41 -N uboot        -p 1M@$(UBOOT_OFFSET) \
  59                         -t 0xea -N recovery     -p 40M@4M \
  60                         -t 0x2e -N production   -p $(CONFIG_TARGET_ROOTFS_PARTSIZE)M@48M
  61
  62         echo -en \
  63                 $(if $(findstring sdmmc,$1),"SDMMC_BOOT\x00\x00\x01\x00\x00\x00\x00\x02\x00\x00") \
  64                 $(if $(findstring emmc,$1),"EMMC_BOOT\x00\x00\x00\x01\x00\x00\x00\x00\x02\x00\x00") \
  65                 | dd bs=1 of="$@.tmp" seek=0 conv=notrunc
  66
  67         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"\
  68                 | dd bs=1 of="$@.tmp" seek=512 conv=notrunc
  69
  70         cat $@.tmp >> $@
  71         rm $@.tmp
  72 endef
  73
  74 define Build/append-preloader
  75         cat $(STAGING_DIR_IMAGE)/$1-preloader.bin >> $@
  76 endef
  77
  78 define Build/append-bootloader
  79         cat $(STAGING_DIR_IMAGE)/$1-$(UBOOT_IMAGE) >> $@
  80 endef
  81
  82 define Build/scatterfile
  83         ./gen_scatterfile.sh $(subst mt,MT,$(SUBTARGET)) "$1" \
  84                 $(subst -scatter.txt,,$(notdir $@)) "$(DEVICE_TITLE)" > $@
  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_OFFSET := 320k
  93   UBOOT_TARGET := mt7623n_bpir2
  94   UBOOT_IMAGE := u-boot.bin
  95   UBOOT_PATH := $(STAGING_DIR_IMAGE)/$$(UBOOT_TARGET)-$$(UBOOT_IMAGE)
  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 := mt7623-mbr emmc |\
 102                             pad-to 2k | append-preloader $$(UBOOT_TARGET)
 103   ARTIFACT/u-boot.bin := append-uboot
 104   ARTIFACT/sdcard.img.gz := mt7623-mbr sdmmc |\
 105                             pad-to 2k | append-preloader $$(UBOOT_TARGET) |\
 106                             pad-to $$(UBOOT_OFFSET) | append-bootloader $$(UBOOT_TARGET) |\
 107                             pad-to 4092k | mt7623-mbr emmc |\
 108                             pad-to 4M | append-image-stage initramfs-recovery.itb |\
 109                             pad-to 48M | append-image squashfs-sysupgrade.itb |\
 110                             gzip
 111   ARTIFACTS := u-boot.bin preloader.bin sdcard.img.gz
 112   SUPPORTED_DEVICES := bananapi,bpi-r2
 113 endef
 114 TARGET_DEVICES += bananapi_bpi-r2
 115
 116 define Device/unielec_u7623-02
 117   DEVICE_VENDOR := UniElec
 118   DEVICE_MODEL := U7623-02
 119   # When we use FIT images, U-Boot will populate the /memory node with the correct
 120   # memory size discovered from the preloader, so we don't need separate builds.
 121   DEVICE_DTS := mt7623a-unielec-u7623-02
 122   DEVICE_DTS_DIR := ../dts
 123   DEVICE_PACKAGES := kmod-fs-vfat kmod-nls-cp437 kmod-nls-iso8859-1 kmod-mmc \
 124        mkf2fs e2fsprogs kmod-usb-ohci kmod-usb2 kmod-usb3 kmod-ata-ahci
 125   UBOOT_OFFSET := 256k
 126   UBOOT_TARGET := mt7623a_unielec_u7623
 127   UBOOT_IMAGE := u-boot-mtk.bin
 128   UBOOT_PATH := $(STAGING_DIR_IMAGE)/$$(UBOOT_TARGET)-$$(UBOOT_IMAGE)
 129   IMAGES := sysupgrade.itb
 130   KERNEL := kernel-bin | gzip
 131   KERNEL_INITRAMFS_SUFFIX := -recovery.itb
 132   KERNEL_INITRAMFS := kernel-bin | gzip | fit gzip $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb with-initrd
 133   IMAGE/sysupgrade.itb := append-kernel | fit gzip $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb external-static-with-rootfs | append-metadata
 134   ARTIFACT/u-boot.bin := append-uboot
 135 # vendor Preloader seems not to care about SDMMC_BOOT/EMMC_BOOT header,
 136 # but OpenWrt expects 'SDMM' magic for sysupgrade.
 137   ARTIFACT/emmc.img.gz := mt7623-mbr sdmmc |\
 138                             pad-to $$(UBOOT_OFFSET) | append-bootloader $$(UBOOT_TARGET) |\
 139                             pad-to 4M | append-image-stage initramfs-recovery.itb |\
 140                             pad-to 48M | append-image squashfs-sysupgrade.itb |\
 141                             gzip | append-metadata
 142   ARTIFACT/scatter.txt := scatterfile emmc.img.gz
 143   ARTIFACTS := u-boot.bin scatter.txt emmc.img.gz
 144   SUPPORTED_DEVICES += unielec,u7623-02-emmc-512m
 145 endef
 146 TARGET_DEVICES += unielec_u7623-02
 147
 148
 149 # Legacy helper for U7623 board
 150 define Build/fat-recovery-fs
 151         rm -f $@.recovery
 152         mkfs.fat -C $@.recovery 3070
 153         cat $@.recovery >> $@
 154 endef
 155
 156 # Legacy partial image for U7623
 157 # This preserves the vendor U-Boot and starts with a uImage at 0xA00
 158 define Device/unielec_u7623-02-emmc-512m-legacy
 159   DEVICE_VENDOR := UniElec
 160   DEVICE_MODEL := U7623-02
 161   DEVICE_VARIANT := eMMC/512MiB RAM (legacy image)
 162   DEVICE_DTS := mt7623a-unielec-u7623-02-emmc-512m
 163   DEVICE_DTS_DIR := ../dts
 164   KERNEL_NAME := zImage
 165   KERNEL := kernel-bin | append-dtb | uImage none
 166   KERNEL_INITRAMFS := kernel-bin | append-dtb | uImage none
 167   DEVICE_PACKAGES := kmod-fs-vfat kmod-nls-cp437 kmod-nls-iso8859-1 kmod-mmc \
 168         mkf2fs e2fsprogs kmod-usb-ohci kmod-usb2 kmod-usb3 kmod-ata-ahci \
 169         partx-utils
 170   IMAGES := sysupgrade.bin.gz
 171   IMAGE/sysupgrade.bin.gz := append-kernel |\
 172                                 pad-to 4864k | fat-recovery-fs |\
 173                                 pad-to 7936k | append-rootfs |\
 174                                 gzip | append-metadata
 175   SUPPORTED_DEVICES := unielec,u7623-02-emmc-512m
 176 endef
 177 TARGET_DEVICES += unielec_u7623-02-emmc-512m-legacy