[PATCH] ramips: add support for TP-Link RE650 v2

[Piotr Dymacz]

Hi Hauke,

On 17.04.2022 16:40, Hauke Mehrtens wrote:
> On 4/8/22 00:29, Marcin Gordziejewski wrote:
>> TP-Link RE650 v2 is largely similar to v1 that
>> is already supported by OpenWrt. Notable differences
>> is differnt SPI Flash - 8 MB instead of 16 MB
>> (from cFeon instead of Winbond) and a different
>> configuration of PCIE connections to wifi chips.
>> Otherwise it's largely the same product as v1
>> 
>> Hardware specification:
>> 
>> - SoC 880 MHz - MediaTek MT7621AT
>> - 128 MB of DDR3 RAM
>> - 8 MB - cFeon QH64A-104HIP
>> - 4T4R 2.4 GHz - MediaTek MT7615E
>> - 4T4R 5 GHz - MediaTek MT7615E
> 
> Are you sure this is 4x4 on 2.4GHz and 5GHz?
> For me it looks more like 2x2 on 2.4GHz and 2x2 on 5GHz. The MT7615E can
> operate on 2.4 GHz and 5GHZ at the same time.

AFAIK, only the "D" version can operate on both bands at the same time 
and in that case, it's 2x 2x2. The device's pictures from FCC database 
clearly show this one is 2x 4x4 (there are two "E", one per band) [1].

[1] 
https://fccid.io/2AXJ4RE650V2/Internal-Photos/2109RSU016-UE-Internal-Photograph-Rev01-5556352

-- 
Cheers,
Piotr

> 
>> - 1x 1 Gbps Ethernet - MT7621AT integrated
>> - 7x LEDs (Power, 2G, 5G, WPS(x2), Lan(x2))
>> - 4x buttons (Reset, Power, WPS, LED)
>> - UART pinout - GND, RX, TX, labeled in the middle of the PCB,
>>    requires soldering because they're not through holes.
>> 
>>    Serial console @ 57600,8n1
>> 
> 
> ......
> 
> Hauke
> 
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