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Date:      Wed, 16 Dec 2015 15:47:32 +0200
From:      Stanislav Galabov <sgalabov@gmail.com>
To:        Aleksandr Rybalko <ray@ddteam.net>
Cc:        Stanislav Galabov <sgalabov@gmail.com>, freebsd-mips@freebsd.org
Subject:   Re: Initial support for MT7620
Message-ID:  <8E7B6604-AAE1-489B-82C1-BD935A7DCBE9@gmail.com>
In-Reply-To: <20151216140557.54abbafbc1a2093be65099dc@ddteam.net>
References:  <1479DFB0-6B63-4886-B9BA-8F95A44A8ED9@gmail.com> <20151216140557.54abbafbc1a2093be65099dc@ddteam.net>

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> On Dec 16, 2015, at 14:05, Aleksandr Rybalko <ray@ddteam.net> wrote:
>=20
> On Tue, 15 Dec 2015 16:58:31 +0200
> Stanislav Galabov <sgalabov@gmail.com> wrote:
>=20
>> Hi all,
>>=20
>> After talking with Adrian off list we decided to start work on =
Mediatek/Ralink more recent SoCs with MT7620 instead of MT7621 =
(Adrian=E2=80=99s board has MT7620 so it=E2=80=99s easier for him to =
help with the WiFi parts this way).
>>=20
>> I=E2=80=99ve done a bit today and I got an MT7620A based board to =
boot to multi user with root filesystem on USB stick.
>>=20
>> If anyone is interested in the patch, it can be found here:
>> https://www.dropbox.com/s/e880eutzvlms8h7/mt7620_patch.diff?dl=3D0
>>=20
>> For the moment there is no support for sys/dev/rt (the Ethernet =
controller) with MT7620. This is going to be left for later.
>> Next I am planning to work on SPI and PCI so that Adrian can start =
working on WiFi once I=E2=80=99m done with the SPI part.
>>=20
>> I would appreciate it if someone would jump in and help with the =
if_rt support - this way we=E2=80=99ll have something working quicker =
hopefully :-)
>>=20
>> I would also appreciate feedback for the attached patch...
>>=20
>> Best wishes,
>> Stanislav
>> _______________________________________________
>> freebsd-mips@freebsd.org mailing list
>> https://lists.freebsd.org/mailman/listinfo/freebsd-mips
>> To unsubscribe, send any mail to =
"freebsd-mips-unsubscribe@freebsd.org"
>=20
> Hi Stanislav!
>=20
> There is patch #1 that did my friend, Alexander A. Mityaev.
> Patch cover to things:
> 1. enable support of RT5350
> 2. enable FDT configuration for RTxxxx family
>=20
> First thing may help you to bring if_rt up. Second one may help to =
work
> in right direction, because FDT makes adding new SoC support to looks
> like writing config (except some new devices, which will require new
> driver for it).
>=20
> I'm glad to help, but currently limited in time I can spend.
> Anyway, I will try to answer your questions ASAP.
>=20
> Thank you!
>=20
> [1] http://dev.mt.mk.ua/patch-20150519.diff.gz)
>=20
> WBW
> --=20
> Aleksandr Rybalko <ray@ddteam.net>

Hi Aleksandr,

Thanks for the patch! I=E2=80=99ll have a look at it and will see what I =
can do. Also, thanks for your offer to answer my questions, I really =
appreciate it.

I was thinking of FDT for the Ralink/Mediatek support, but I figured it =
would be beneficial to see if there is interest in these platforms at =
all in the community or not, so that=E2=80=99s why I first started =
working on adding basic support for more SoCs before trying to move to =
FDT (although I agree that moving to FDT first may have been wiser :-)).

I am willing to work on moving the Ralink/Mediatek family support to FDT =
and doing more work on supporting currently unsupported peripherals (as =
far as I can be of any use), but I would only do so if the changes I =
make would end up committed to FreeBSD - I have no interest in doing =
something that will go unused by anyone=E2=80=A6

So if any committer is willing to suffer going through my patches and =
getting them in the tree - I=E2=80=99ll do my best, provided I have some =
spare cycles to work on this. I am also willing to do the commits myself =
(under proper supervision, of course) if my work is considered useful =
and of acceptable standards.

Best wishes,
Stanislav




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