In the past few years, we have received several reports about SPI
Flash not working properly. This is caused by excessively fast
clock frequency. It's really annoying to fix them one by one. Let's
reduce these aggressive frequencies to 50 MHz. This is a safe and
suggested value in the vendor SDK.
Signed-off-by: Shiji Yang <yangshiji66@qq.com>
(cherry picked from commit 73eeac49be)
Link: https://github.com/openwrt/openwrt/pull/15919
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Specifications:
* SOC: MT7620A + MT7610E
* ROM: 16 MiB spi flash (W25Q128FVSG)
* RAM: 128 MiB DDR2 (W971GG6KB-25)
* WAN: 10/100M *1
* LAN: 10/100M *4
* USB: Type-A USB2.0 *1
* SD: MicroSD *1
* Button: Reset *1
* Antennas: 2.4 GHz *2 + 5 GHz *1
* TTL Baudrate: 57600
* U-Boot Recovery: IP: 10.10.10.123, Server: 10.10.10.3
Installation:
* Web UI Update
1. Open http://192.168.10.1/upgrade.html in the browser.
2. Rename firmware to a short name like firmware.bin and then upload it.
3. Fill in the password column with the following content:
password | mtd -x mIp2osnRG3qZGdIlQPh1 -r write /tmp/firmware.bin firmware
* TFTP + U-Boot
1. Connect device with a TTL cable.
2. Press "2" when booting to select "Load system code then write to Flash via TFTP".
3. Upload firmware by tftpd64, it will boot when write instruction is executed.
Signed-off-by: Shiji Yang <yangshiji66@qq.com>
