target/linux/mediatek/image/gen_scatterfile.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0-only
   3 #
   4 # Copyright © 2020 David Woodhouse <dwmw2@infradead.org>
   5 #
   6 # Generate as "scatter file" for use with the MediaTek SP Flash tool for
   7 # writing images to MediaTek boards. This can be used to write images
   8 # even on a bricked board which has no preloader installed, or broken
   9 # U-Boot.
  10 #
  11 # NOTE: At the time of writing (2020-07-20), the Linux tool linked from
  12 # the front page of https://spflashtool.com/ is out of date and does not
  13 # support MT7623. The newer v5.1916 found on the download page at
  14 # https://spflashtool.com/download/ has been tested on UniElec U7623 and
  15 # Banana Pi R2 from Linux, and does work.
  16 #
  17
  18 SOC=$1
  19 IMAGE=${2%.gz}
  20 PROJECT=${3%-scatter.txt}
  21 DEVICENAME="$4"
  22
  23 cat <<EOF
  24 # OpenWrt eMMC scatter file for ${DEVICENAME}
  25 # For use with SP Flash Tool: https://spflashtool.com/download/
  26 #
  27 # Unzip the file system file ${PROJECT}-${IMAGE}.gz before flashing.
  28 # Connect the device's USB port, although it won't appear to the host yet.
  29 # Load this scatter file into the SP Flash Tool, select 'Format All + Download'
  30 # After pressing the 'Download' button, power on the board.
  31 # The /dev/ttyACM0 device should appear on USB and the tool should find it.
  32
  33 - general: MTK_PLATFORM_CFG
  34   info:
  35     - config_version: V1.1.2
  36       platform: ${SOC}
  37       project: ${PROJECT}
  38       storage: EMMC
  39       boot_channel: MSDC_0
  40       block_size: 0x20000
  41
  42 - partition_index: SYS0
  43   partition_name: PRELOADER
  44   file_name: ${PROJECT}-preloader.bin
  45   is_download: true
  46   type: SV5_BL_BIN
  47   linear_start_addr: 0x0
  48   physical_start_addr: 0x0
  49   partition_size: 0x40000
  50   region: EMMC_BOOT_1
  51   storage: HW_STORAGE_EMMC
  52   boundary_check: true
  53   is_reserved: false
  54   operation_type: BOOTLOADERS
  55   d_type: FALSE
  56   reserve: 0x00
  57
  58 - partition_index: SYS1
  59   partition_name: OPENWRT
  60   file_name: ${PROJECT}-${IMAGE}
  61   is_download: true
  62   type: NORMAL_ROM
  63   linear_start_addr: 0x00000
  64   physical_start_addr: 0x00000
  65   partition_size: 0x4000000
  66   region: EMMC_USER
  67   storage: HW_STORAGE_EMMC
  68   boundary_check: true
  69   is_reserved: false
  70   operation_type: UPDATE
  71   d_type: FALSE
  72   reserve: 0x00
  73 EOF