By specifying the flag "denx,fit" for partition "kernel", the kernel
try to find rootfs in the same partition during boot. Reality is that
the placement of rootfs is precisely determined by the name of another
partition -"ubi".
It was also found that on some device (for example devices with NAND
chips), the "Denx search engine" manages to find roots at the end of
partition "kernel", but such partition doesn't exist and is empty
there.
Fix this by removing the "denx,fit" flag from partition "kernel". With
this change the original behavior of searchif rootfs in partition "ubi"
is restored.
Signed-off-by: Oleg S <remittor@gmail.com>
MT7915 requires an additional antenna for background radar scanning.
Disable this feature in the following devices that do not have a
separate DFS antenna:
linksys,e8450
ruijie,rg-ew3200gx-pro
xiaomi,redmi-router-ax6s
Signed-off-by: Shiji Yang <yangshiji66@qq.com>
This patch implements the spi-nand controller driver as an ECC-capable
spi-mem controller to use the upstream SPI-NAND driver.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Also known as the "Xiaomi Router AX3200" in western markets,
but only the AX6S is widely installation-capable at this time.
SoC: MediaTek MT7622B
RAM: DDR3 256 MiB (ESMT M15T2G16128A)
Flash: SPI-NAND 128 MiB (ESMT F50L1G41LB or Gigadevice GD5F1GQ5xExxG)
WLAN: 2.4/5 GHz 4T4R
2.4 GHz: MediaTek MT7622B
5 GHz: MediaTek MT7915E
Ethernet: 4x 10/100/1000 Mbps
Switch: MediaTek MT7531B
LEDs/Keys: 2/2 (Internet + System LED, Mesh button + Reset pin)
UART: Marked J1 on board VCC RX GND TX, beginning from "1". 3.3v, 115200n8
Power: 12 VDC, 1.5 A
Notes:
U-Boot passes through the ethaddr from uboot-env partition,
but also has been known to reset it to a generic mac address
hardcoded in the bootloader.
However, bdata is also populated with the ethernet mac addresses,
but is also typically never written to. Thus this is used instead.
Installation:
1. Flash stock Xiaomi "closed beta" image labelled
'miwifi_rb03_firmware_stable_1.2.7_closedbeta.bin'.
(MD5: 5eedf1632ac97bb5a6bb072c08603ed7)
2. Calculate telnet password from serial number and login
3. Execute commands to prepare device
nvram set ssh_en=1
nvram set uart_en=1
nvram set boot_wait=on
nvram set flag_boot_success=1
nvram set flag_try_sys1_failed=0
nvram set flag_try_sys2_failed=0
nvram commit
4. Download and flash image
On computer:
python -m http.server
On router:
cd /tmp
wget http://<IP>:8000/factory.bin
mtd -r write factory.bin firmware
Device should reboot at this point.
Reverting to stock:
Stock Xiaomi recovery tftp that accepts their signed images,
with default ips of 192.168.31.1 + 192.168.31.100.
Stock image should be renamed to tftp server ip in hex (Eg. C0A81F64.img)
Triggered by holding reset pin on powerup.
A simple implementation of this would be via dnsmasq's
dhcp-boot option or using the vendor's (Windows only)
recovery tool available on their website.
Signed-off-by: Richard Huynh <voxlympha@gmail.com>
