Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 11 Dec 2015 08:36:00 -0800
From:      Adrian Chadd <adrian.chadd@gmail.com>
To:        Stanislav Galabov <sgalabov@gmail.com>
Cc:        "freebsd-mips@freebsd.org" <freebsd-mips@freebsd.org>
Subject:   Re: Interest in support for Mediatek/Ralink SoCs?
Message-ID:  <CAJ-VmonsorjWktcrWvREXCM_gDrk9S7X_U18HhjOpLZ-WPz46w@mail.gmail.com>
In-Reply-To: <E4AEB37F-8E44-4371-8E2B-231711E08D17@gmail.com>
References:  <F35AF02A-DC31-4B5F-9349-26C2FF47F5C2@gmail.com> <E4AEB37F-8E44-4371-8E2B-231711E08D17@gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help
hi,

holy hell yes.

Can you please put all of your patches up online? I acquired some
MT7621 hardware to do a port, and I see you've beaten me to it. I'd
like to get it up and working so I can work on the 11ac wifi support.

(I don't mind how dirty or what you think the work is - it's going to
be great, and I'll tidy it up and get it into -HEAD.)

Thanks!


-a


On 11 December 2015 at 08:06, Stanislav Galabov <sgalabov@gmail.com> wrote:
>
>> On Dec 11, 2015, at 10:25, Stanislav Galabov <sgalabov@gmail.com> wrote:
>>
>> Hi all,
>>
>> Is there any interest on bringing support for Ralink/Mediatek more up-to=
-date SoCs, such as MT7620, MT7628, MT7688 and, notably, MT7621 to FreeBSD?
>>
>> The first three are pretty standard in terms of CPU - they=E2=80=99re al=
l MIPS 24Kc based, so they should =E2=80=98just work=E2=80=99 as far as boo=
ting FreeBSD goes.
>> The last one and, in my opinion, the most interesting one, the MT7621 is=
 a MIPS 1004Kc - dual core with dual hardware threads per core. It also int=
roduces new (to FreeBSD/mips) concepts such as the global interrupt control=
ler (gic) for example and could be interesting from this perspective as wel=
l as it could pave the way for MIPS 1074K support as well.
>>
>> I am currently able to boot MT7621 single core to multi user. I can star=
t the rest of the cores and threads as well, but am still having difficulti=
es figuring out the proper cache and TLB management so it basically doesn=
=E2=80=99t support SMP at the moment.
>>
>> I have also done some work on PCI support for the MT7621 and am currentl=
y using userland on a SATA drive, connected to an ASMedia 1061 on the PCI b=
us, which seems to be quite stable as well, although the code is nowhere ne=
ar ready to show to other people :-)
>>
>> The support for all the peripherals, however, is not something I would b=
e able to take on all by myself, due to lack of spare time.
>> There is some support in the tree for older Ralink systems (in sys/mips/=
rt305x and in sys/dev/rt for the ethernet/switch peripheral), but it needs =
work.
>> Also, the WiFi drivers do not seem to support the chipsets embedded in o=
r used with MT76xx, so this will be a major challenge it seems, especially =
given the lack of documentation=E2=80=A6 however, a piece of good news is t=
hat OpenWRT supports most/all of these chipsets, so at least we would have =
a frame of reference=E2=80=A6
>>
>> So, anyone else interested in working on MT76xx support?
>>
>> Best wishes,
>> Stanislav
>
> Hi all,
>
> I can put a single core kernel (uImage) somewhere (where?) so you guys ca=
n download it and see if it starts up on your boards=E2=80=A6
> It won=E2=80=99t do too much at the moment, unless you have a SATA disk w=
ith root filesystem (UFS) attached on an ASMedia 1061 on PCIe. :-)
>
> Also, for the guys that mentioned they had MT7621 based boards: how much =
RAM do you guys have on your boards? I have 512MB on mine, but I=E2=80=99ve=
 currently hard-coded the kernel to use 256MB.
>
> 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"



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAJ-VmonsorjWktcrWvREXCM_gDrk9S7X_U18HhjOpLZ-WPz46w>