ramips: add support for Xiaomi Mi Router 4AC (100M Edition)

[Alexander 'lynxis' Couzens]

Hi Sorin,

do you know if the Xiaomi Mi Router 4A is the same?

I've a router 4a (100m) around which boots from
bc260000. Most likely a EU variant.

Best,
lynxis

> It seems that the difference is not that it's 4AC because even the
> one
> in OpenWrt ATM is a 4AC (defined as 4A) but what I found out is that
> 4AC seem to have 2 different versions/flavors:
>     * 4AC CN -> It's using CPU at 380MHz and the bootloader entry point
> is bc160000 and limits the WiFi to 20dBm for 2.4GHz and 20dBm for 5GHz
> (Currently in OpenWRT)
>     * 4AC EU(or International) -> It's using CPU at 375MHz and the
> bootloader entry point is bc260000 and limits the WiFi to 16dBm for
> 2.4GHz and 18dBm for 5GHz


-- 
Alexander Couzens

mail: lynxis at fe80.eu
jabber: lynxis at fe80.eu
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