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Date:      Fri, 1 Nov 2013 12:34:58 -0700
From:      Adrian Chadd <adrian@freebsd.org>
To:        Warner Losh <imp@bsdimp.com>
Cc:        freebsd-arm <freebsd-arm@freebsd.org>, Ian Lepore <ian@freebsd.org>
Subject:   Re: Wandboard support
Message-ID:  <CAJ-VmonmD_gK2s3AeWx5Xvxk8Qa5_dp%2BOgQxY_1amS3gVavt0w@mail.gmail.com>
In-Reply-To: <870557A9-9D0F-41E9-A124-F21C509830F7@bsdimp.com>
References:  <1383272225.31172.60.camel@revolution.hippie.lan> <CAJ-VmomnBAJ0CoCQwh%2BTPo4psVkgdLE=vYsTvnaC1c4FVqgabg@mail.gmail.com> <870557A9-9D0F-41E9-A124-F21C509830F7@bsdimp.com>

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On 1 November 2013 10:29, Warner Losh <imp@bsdimp.com> wrote:
>
> On Oct 31, 2013, at 10:58 PM, Adrian Chadd wrote:
>
>> Hi!
>>
>> On 31 October 2013 19:17, Ian Lepore <ian@freebsd.org> wrote:
>>> As of r257489 we now have some support for i.MX6 in general and
>>> Wandboard specifically.  There is much work to do, especially in the
>>> area of clock and power management and pinmux control, and someone othe=
r
>>> than me will have to look towards graphics and sound support (I have no
>>> skills in those areas).
>>>
>>
>> Cool!
>>
>> Can you describe what you need in the clock / power management areas?
>
> We don't have an infrastructure to do this right now.
>
> Some ports do this on an ad-hoc basis.
>
> The usual needs are to have a DAG relationship between different parts of=
 the system so you can turn on and tune clocks, as well as power blocks whi=
ch may be necessary to power the clock and/or basic-blocks in the SoC. The =
latest chips have grown quite complex.

Well we can plan this stuff out at the next get-together. But first,
I'd like to finish tidying up the MIPS infrastructure stuff before we
tackle the ARM infrastructure stuff. :)


-adrian



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