2020-07-21 16:43:12 +00:00
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#!/bin/sh
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2021-02-10 14:14:52 +00:00
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# SPDX-License-Identifier: GPL-2.0-only
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2020-07-21 16:43:12 +00:00
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#
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# Copyright © 2020 David Woodhouse <dwmw2@infradead.org>
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#
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# Generate as "scatter file" for use with the MediaTek SP Flash tool for
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# writing images to MediaTek boards. This can be used to write images
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# even on a bricked board which has no preloader installed, or broken
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# U-Boot.
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#
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# NOTE: At the time of writing (2020-07-20), the Linux tool linked from
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# the front page of https://spflashtool.com/ is out of date and does not
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# support MT7623. The newer v5.1916 found on the download page at
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# https://spflashtool.com/download/ has been tested on UniElec U7623 and
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# Banana Pi R2 from Linux, and does work.
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#
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SOC=$1
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IMAGE=${2%.gz}
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PROJECT=${3%-scatter.txt}
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DEVICENAME="$4"
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cat <<EOF
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# OpenWrt eMMC scatter file for ${DEVICENAME}
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# For use with SP Flash Tool: https://spflashtool.com/download/
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#
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# Unzip the file system file ${PROJECT}-${IMAGE}.gz before flashing.
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# Connect the device's USB port, although it won't appear to the host yet.
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# Load this scatter file into the SP Flash Tool, select 'Format All + Download'
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# After pressing the 'Download' button, power on the board.
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# The /dev/ttyACM0 device should appear on USB and the tool should find it.
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- general: MTK_PLATFORM_CFG
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info:
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- config_version: V1.1.2
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platform: ${SOC}
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project: ${PROJECT}
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storage: EMMC
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boot_channel: MSDC_0
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block_size: 0x20000
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- partition_index: SYS0
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partition_name: PRELOADER
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file_name: ${PROJECT}-preloader.bin
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is_download: true
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type: SV5_BL_BIN
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linear_start_addr: 0x0
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physical_start_addr: 0x0
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partition_size: 0x40000
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region: EMMC_BOOT_1
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storage: HW_STORAGE_EMMC
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boundary_check: true
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is_reserved: false
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operation_type: BOOTLOADERS
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d_type: FALSE
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reserve: 0x00
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- partition_index: SYS1
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partition_name: OPENWRT
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file_name: ${PROJECT}-${IMAGE}
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is_download: true
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type: NORMAL_ROM
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linear_start_addr: 0x00000
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physical_start_addr: 0x00000
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partition_size: 0x4000000
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region: EMMC_USER
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storage: HW_STORAGE_EMMC
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boundary_check: true
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is_reserved: false
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operation_type: UPDATE
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d_type: FALSE
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reserve: 0x00
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EOF
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