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This commit adds OpenWrt U-Boot layout support for Routerich AX3000. The aims: 1. Get open-source U-Boot; 2. Get maximum available free space in OpenWrt. Install ------- 1. Copy OpenWrt ubootmod-bl31-uboot.fip, ubootmod-preloader.bin, to the /tmp folder of the router using scp. 2. Make mtd partitions backups: http://192.168.1.1/cgi-bin/luci/admin/system/flash -> Save mtdblock contents 3. Install kmod-mtd-rw: ``` opkg update && opkg install kmod-mtd-rw ``` 4. Write FIP and preloader: ``` insmod mtd-rw i_want_a_brick=1 mtd unlock BL2 mtd erase BL2 mtd write /tmp/ubootmod-preloader.bin BL2 mtd unlock FIP mtd erase FIP mtd write /tmp/ubootmod-bl31-uboot.fip FIP ``` 5. Copy OpenWrt ubootmod-initramfs-recovery.itb to the tftp server root with IP 192.168.1.254. 6. Reboot router: ``` reboot ``` U-Boot will automatically download from the tftp server and boot OpenWrt initramfs system. 7. Copy OpenWrt ubootmod-squashfs-sysupgrade.itb to the /tmp dir of the router using scp. 8. Run sysupgrade: ``` sysupgrade -n /tmp/squashfs-sysupgrade.itb ``` Recovery -------- 1. Place OpenWrt initramfs-recovery.itb image (with original name) on the tftp server (IP: 192.168.1.254). 2. Press "reset" button and power on the router. After ~10 sec release the button. 3. Use OpenWrt initramfs system for recovery. BL2 and FIP recovery -------------------- Use mtk_uartboot and UART connection if BL2 or FIP in UBI is destroyed: Link: https://github.com/981213/mtk_uartboot Return to stock: ---------------- 1. Copy partition backups (BL2.bin and FIP.bin) to the /tmp dir of the router using scp. 2. Install kmod-mtd-rw: ``` opkg update && opkg install kmod-mtd-rw ``` 3. Restore stock U-Boot and reboot: ``` insmod mtd-rw i_want_a_brick=1 mtd unlock BL2 mtd erase BL2 mtd write /tmp/BL2.bin BL2 mtd unlock FIP mtd erase FIP mtd write /tmp/FIP.bin FIP reboot ``` 4. Open U-Boot web recovery, upload stock firmware image and start upgrade. Link: http://192.168.1.1 Signed-off-by: Mikhail Zhilkin <csharper2005@gmail.com> Link: https://github.com/openwrt/openwrt/pull/16791 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> |
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