ramips: adding support for Asus RP-AC56
Specifications:
CPU: MT7621A dual-core 880MHz
RAM: 64MB DDR2
FLASH: 16MB MX25L12805D NOR SPI
WIFI: 2.4GHz 2x2 MT7603 b/g/n PCI
WIFI: 5GHz 2x2 MT7662 a/b/ac PCI
ETH: 1xLAN 1000base-T integrated
SWITCH: MT7530 Port 0: LAN, Port 6: CPU
LED: Power, 2.4GHz WiFi, 5GHz WiFi
BTN: WPS, Reset
UART: Near ETH port, from ETH: 3V3-TxD-GND-RxD 57600 8n1
MISC: Audio support
Installation:
1. Update using recovery mode
- while holdig "reset" button, power on the device
- keep holding "reset" until power led is flashing yellow
- set own IP to 192.168.1.75, subnet mask: 255.255.255.0
- push firmware image (can be factory.bin or sysupgrade.bin)
using tftp client in binary mode to 192.168.1.1
Notes:
This board has only two MAC addresses programmed in the "factory" partition:
- MAC for wlan0 (2.4GHz) at offset 0x0004
- MAC for wlan1 (5GHz) at offset 0x8004
- stock firmware re-uses wlan0 MAC for ethernet
- no valid addresses found in 0x28, 0x2e, 0xe000 and 0xe006
Signed-off-by: Lea Teuberth <lea.teuberth@outlook.com>