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

[Adrian Schmutzler]

> -----Original Message-----
> From: openwrt-devel [mailto:openwrt-devel-bounces at lists.openwrt.org]
> On Behalf Of Alexander 'lynxis' Couzens
> Sent: Freitag, 8. Januar 2021 17:36
> To: Sorin Pop <alexsorinpop at gmail.com>
> Cc: openwrt-devel at lists.openwrt.org; Adrian Schmutzler
> <mail at adrianschmutzler.de>
> Subject: Re: ramips: add support for Xiaomi Mi Router 4AC (100M Edition)
> 
> 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.

Ah, you found it yourself.

Do you have a smart idea how we resolve this "mess"?

Best

Adrian

> 
> 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
> gpg: 390D CF78 8BF9 AA50 4F8F  F1E2 C29E 9DA6 A0DF 8604
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