Interest in support for Mediatek/Ralink SoCs?

[Adrian Chadd]

yup, it works fine! Send em over.


-a


On 11 December 2015 at 08:40, Stanislav Galabov <sgalabov at gmail.com> wrote:
> Now this is something I was hoping for :-)
>
> I’ll tidy things up next week and I’ll send the initial dirty patches over to you only (for now) if it’s ok with you?
> I’ve hacked on top of the rt305x support that’s in the tree for now, but in a mt762x directory and there are still a lot of leftovers from rt305x, but at least the thing boots and goes multiuser albeit on a single core right now :-)
>
> Please let me know if this works for you.
>
> Best wishes,
> Stanislav
>
>> On Dec 11, 2015, at 18:36, Adrian Chadd <adrian.chadd at gmail.com> wrote:
>>
>> 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 at gmail.com> wrote:
>>>
>>>> On Dec 11, 2015, at 10:25, Stanislav Galabov <sgalabov at 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’re all MIPS 24Kc based, so they should ‘just work’ as far as booting 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 introduces new (to FreeBSD/mips) concepts such as the global interrupt controller (gic) for example and could be interesting from this perspective as well 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 start the rest of the cores and threads as well, but am still having difficulties figuring out the proper cache and TLB management so it basically doesn’t support SMP at the moment.
>>>>
>>>> I have also done some work on PCI support for the MT7621 and am currently using userland on a SATA drive, connected to an ASMedia 1061 on the PCI bus, which seems to be quite stable as well, although the code is nowhere near ready to show to other people :-)
>>>>
>>>> The support for all the peripherals, however, is not something I would be 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 or used with MT76xx, so this will be a major challenge it seems, especially given the lack of documentation… however, a piece of good news is that OpenWRT supports most/all of these chipsets, so at least we would have a frame of reference…
>>>>
>>>> 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 can download it and see if it starts up on your boards…
>>> It won’t do too much at the moment, unless you have a SATA disk with 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’ve currently hard-coded the kernel to use 256MB.
>>>
>>> Best wishes,
>>> Stanislav
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>