openwrt/package/boot/uboot-envtools/files/mediatek_filogic

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#
# Copyright (C) 2021 OpenWrt.org
#
[ -e /etc/config/ubootenv ] && exit 0
touch /etc/config/ubootenv
. /lib/uboot-envtools.sh
. /lib/functions.sh
board=$(board_name)
case "$board" in
bananapi,bpi-r3)
rootdev="$(cmdline_get_var root)"
rootdev="${rootdev##*/}"
rootdev="${rootdev%%p[0-9]*}"
case "$rootdev" in
mmc*)
local envdev=$(find_mmc_part "ubootenv" $rootdev)
ubootenv_add_uci_config "$envdev" "0x0" "0x40000" "0x40000" "1"
ubootenv_add_uci_config "$envdev" "0x40000" "0x40000" "0x40000" "1"
;;
mtd*)
local envdev=/dev/mtd$(find_mtd_index "u-boot-env")
ubootenv_add_uci_config "$envdev" "0x0" "0x20000" "0x20000" "1"
ubootenv_add_uci_config "$envdev" "0x20000" "0x20000" "0x20000" "1"
;;
ubi*)
. /lib/upgrade/nand.sh
local envubi=$(nand_find_ubi ubi)
local envdev=/dev/$(nand_find_volume $envubi ubootenv)
local envdev2=/dev/$(nand_find_volume $envubi ubootenv2)
ubootenv_add_uci_config "$envdev" "0x0" "0x1f000" "0x1f000" "1"
ubootenv_add_uci_config "$envdev2" "0x0" "0x1f000" "0x1f000" "1"
;;
esac
;;
mediatek: add alternative stock layout for Xiaomi Redmi Router AX6000 In this implementation, the flash partition layout is adjusted to avoid modifying the uboot environment of mtdparts. This ensures that the 30M ubi_kernel partition remains aligned with the stock ubi partition, and the kernel volume is placed in it. This allows the stock uboot to boot from it without changing the mtdparts, which is useful for reverting back to the stock firmware using Xiaomi Firmware Tools. In actual testing, modifying mtdparts has been found to break Xiaomi Firmware Tools. 1. use ARTIFACTS to generate initramfs-factory.ubi for easy installation. 2. The NAND flash layout is changed to allow for reverting back to the stock firmware. 3. Before performing sysupgrade, do some cleanup in platform_pre_upgrade to ensure a clean installation of OpenWRT. 4. Setup the uboot env to ensure that the system always boot, which can be helpful for users who may forget to do this before sysupgrade in the initramfs. New flash instructions: 1. Gain ssh access. Please refer to: https://openwrt.org/toh/xiaomi/redmi_ax6000#installation) 2. Check which system current u-boot is loading from: COMMAND: `cat /proc/cmdline` sample OUTPUT: `console=ttyS0,115200n1 loglevel=8 firmware=1 uart_en=1` if firmware=1, current system is ubi1 if firmware=0, current system is ubi0 3. Setup nvram and write the firmware: If the current system is ubi1, please set it up so that the next time it will boot from ubi, and write the firmware to ubi: ``` nvram set boot_wait=on nvram set uart_en=1 nvram set flag_boot_rootfs=0 nvram set flag_last_success=0 nvram set flag_boot_success=1 nvram set flag_try_sys1_failed=0 nvram set flag_try_sys2_failed=0 nvram commit ubiformat /dev/mtd8 -y -f /tmp/initramfs-factory.ubi ``` If the current system is ubi, please set it up so that the next time it will boot from ubi1, and write the firmware to ubi1: ``` nvram set boot_wait=on nvram set uart_en=1 nvram set flag_boot_rootfs=1 nvram set flag_last_success=1 nvram set flag_boot_success=1 nvram set flag_try_sys1_failed=0 nvram set flag_try_sys2_failed=0 nvram commit ubiformat /dev/mtd9 -y -f /tmp/initramfs-factory.ubi ``` 4. After rebooting, the system should now boot into the openwrt initramfs. Flash the squashfs-sysupgrade.bin via using ssh or luci. ``` sysupgrade -n /tmp/squashfs-sysupgrade.bin ``` Done. For existing users of the Redmi AX6000 running OpenWrt, here are the steps to switch to this new layout: 1. Flash initramfs-factory.ubi ``` mtd -r -e ubi write /tmp/initramfs-factory.ubi ubi ``` 2. After rebooting, the system will boot into the new openwrt-initramfs. Log in and perform a sysupgrade to complete the process. ``` sysupgrade -n /tmp/squashfs-sysupgrade.bin ``` Signed-off-by: Chen Minqiang <ptpt52@gmail.com> Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
2022-09-13 05:46:20 +00:00
xiaomi,redmi-router-ax6000-stock)
ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x10000" "0x20000"
ubootenv_add_uci_sys_config "/dev/mtd2" "0x0" "0x10000" "0x20000"
;;
uboot-mediatek: add support for Xiaomi Redmi Router AX6000 U-Boot flash instructions: 0. OpenWrt U-Boot does not support stock layout, it comes with recovery boot support, automatic tftp recovery and never blocks UART. A new flash layout is introduced, we call it OpenWrt U-Boot layout, stock flash layout and the old OpenWrt layout are not supported. During the whole flash procedure, please do not reboot or power off unless requested explicitly, or you will break your device. 1. Your device should already running OpenWrt. If not, follow the instructions to flash OpenWrt: https://github.com/openwrt/openwrt/pull/11115 2. Backup BL2 Nvram Bdata Factory and FIP in case you break something or in case you want to go back to stock firmware one day. cat /dev/mtdblock0 > /tmp/BL2.bin cat /dev/mtdblock1 > /tmp/Nvram.bin cat /dev/mtdblock2 > /tmp/Bdata.bin cat /dev/mtdblock3 > /tmp/Factory.bin cat /dev/mtdblock4 > /tmp/FIP.bin And save all whose bin files to somewhere safe. Then backup your configurations, since ubiformat for entire mtd device is required to create new ubootenv volume for OpenWrt U-Boot. 3. Run the following cmd to boot into an initramfs with the new OpenWrt U-Boot layout that expand ubi partion to the end of flash: ubiformat /dev/mtd7 -y -f /tmp/ax6000-ubootmod-initramfs-factory.ubi 4. After boot into initramfs, check mtd partion info. The ubi partion should be mtd5 root@OpenWrt:~# cat /proc/mtd dev: size erasesize name mtd0: 00100000 00020000 BL2 mtd1: 00040000 00020000 Nvram mtd2: 00040000 00020000 Bdata mtd3: 00200000 00020000 Factory mtd4: 00200000 00020000 FIP mtd5: 07a80000 00020000 ubi 5. Load kmod-mtd-rw to temporarily make the bootloader partions writable. The kmod-mtd-rw is from the feeds, it is not packed in initramfs-factory by default. To install kmod-mtd-rw via opkg: opkg update && opkg install kmod-mtd-rw Or, download kmod-mtd-rw.ipk from OpenWrt server and install it manually e.g: https://downloads.openwrt.org/snapshots/targets/mediatek/filogic/kmods/ Select your OpenWrt release version and kernel version accordingly. Load kmod-mtd-rw: insmod /lib/modules/$(uname -r)/mtd-rw.ko i_want_a_brick=1 6. Run the following cmd to clean all pending crash dumps in pstore, or OpenWrt U-Boot may boot into NAND recovery or tftp recovery. rm -f /sys/fs/pstore/* 7. Format ubi and create new ubootenv volume: ubidetach -p /dev/mtd5; ubiformat /dev/mtd5 -y; ubiattach -p /dev/mtd5 ubimkvol /dev/ubi0 -n 0 -N ubootenv -s 128KiB ubimkvol /dev/ubi0 -n 1 -N ubootenv2 -s 128KiB 8. This is optional. Skip this if you do not want to have NAND recovery boot feature offered by OpenWrt U-Boot. Don't worry, you always have automatic tftp recovery feature enabled. ubimkvol /dev/ubi0 -n 2 -N recovery -s 10MiB ubiupdatevol /dev/ubi0_2 /tmp/ax6000-ubootmod-initramfs-recovery.itb 9. Now, flash new U-Boot. Bye-bye ugly stock U-Boot. mtd write /tmp/ax6000-ubootmod-preloader.bin BL2 mtd write /tmp/ax6000-ubootmod-bl31-uboot.fip FIP 10. Flash the squashfs-sysupgrade.bin as usual: sysupgrade -n /tmp/ax6000-ubootmod-squashfs-sysupgrade.itb Enjoy! Signed-off-by: Furong Xu <xfr@outlook.com>
2022-12-22 02:40:50 +00:00
xiaomi,redmi-router-ax6000-ubootmod)
. /lib/upgrade/nand.sh
local envubi=$(nand_find_ubi ubi)
local envdev=/dev/$(nand_find_volume $envubi ubootenv)
local envdev2=/dev/$(nand_find_volume $envubi ubootenv2)
ubootenv_add_uci_config "$envdev" "0x0" "0x1f000" "0x20000" "1"
ubootenv_add_uci_config "$envdev2" "0x0" "0x1f000" "0x20000" "1"
;;
esac
config_load ubootenv
config_foreach ubootenv_add_app_config
exit 0