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: MT7628AN + MT7612E
* ROM: 8 MiB Flash
* RAM: 64 MiB DDR2
* WAN: 10/100M *1
* LAN: 10/100M *3
* Button: Reset *1
* LEDs: orange *1, white *1
* Antennas: 2.4 GHz *2 + 5 GHz *2
* TTL Baudrate: 57600
* TFTP Upgrade: IP: 192.168.51.1, Server: 192.168.51.100
MAC addresses as verified by OEM firmware:
use address source
2g *:d8 factory 0x0004 (label)
5g *:d9 factory 0x8004
LAN *:d7 factory $label -1
WAN *:da factory $label +2
Installation (TFTP + U-Boot):
* Connect device with a TTL cable and open a serial session by
PuTTY.
* Press "2" when booting to select "Load system code then write
to Flash via TFTP".
* Configure the IP of local host server.
* Upload firmware by tftpd64, it will boot when write instruction
is executed.
Signed-off-by: Shiji Yang <yangshiji66@qq.com>
[fix DTS line endings, fix label MAC address, adjust status LED
names, convert mtd-mac-address-increment to mac-address-increment]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>