Mar csak egy TFTP kell neki.

# ./mtk_uartboot --brom-load-baudrate 115200 -s /dev/ttyUSB0 -p bl2-mt7622-1ddr-ram.bin --aarch64 -f openwrt-mediatek-mt7622-xiaomi_redmi-router-ax6s-bl31-uboot-1ddr.fip && minicom -D /dev/ttyUSB0
mtk_uartboot - 0.1.1
Using serial port: /dev/ttyUSB0
Handshake...
hw code: 0x7622
hw sub code: 0x8a00
hw ver: 0xcb00
sw ver: 0x100
Baud rate set to 115200
sending payload to 0x201000...
Checksum: 0xfcf1
Setting baudrate back to 115200
Jumping to 0x201000 in aarch64...
Waiting for BL2. Message below:
==================================
NOTICE: BL2: v2.10.0 (release):v2.10.0-mtk
NOTICE: BL2: Built : 13:17:01, Mar 1 2024
NOTICE: WDT: Cold boot
NOTICE: CPU: MT7622
NOTICE: WDT: disabled
NOTICE: Starting UART download handshake ...
==================================
BL2 UART DL version: 0x10
Baudrate set to: 921600
FIP sent.
==================================
NOTICE: Received FIP 0xb110c @ 0x40400000 ...
==================================


Welcome to minicom 2.8

OPTIONS: I18n
Port /dev/ttyUSB0, 23:10:08

Press CTRL-A Z for help on special keys

ù°NOTICE: BL31: v2.9.0(release):OpenWrt v2023.10.13~0ea67d76-1 (mt7622-snand-ubi-1ddr)
NOTICE: BL31: Built : 17:36:51, Mar 23 2024
serial_mtk serial@11002000: pinctrl_select_state_full: uclass_get_device_by_phandle_id: err=-19

U-Boot 2024.01-OpenWrt-r25627-92c21b2e18 (Mar 23 2024 - 17:36:51 +0000)

CPU: MediaTek MT7622
Model: Xiaomi Redmi Router AX6S
DRAM: 256 MiB
Core: 37 devices, 16 uclasses, devicetree: separate
Loading Environment from nowhere... OK
In: serial@11002000
Out: serial@11002000
Err: serial@11002000
reset button found
Net:
Warning: ethernet@1b100000 (eth0) using random MAC address - 9a:b5:09:59:c1:59
eth0: ethernet@1b100000
Autoboot in 0 seconds
SPI-NAND: Failed to enable quad spi
SPI-NAND: F50L1G41LB (128MB)
Volume fit not found!
Using ethernet@1b100000 device
TFTP from server 192.168.1.254; our IP address is 192.168.1.1
Filename 'openwrt-mediatek-mt7622-xiaomi_redmi-router-ax6s-squashfs-sysupgrade.itb'.
Load address: 0x46000000
Loading: *
ARP Retry count exceeded; starting again
MT7622>