Re: [meta-ti] Full nohz on TCI6638k2k (KeyStone II)

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On Fri, Apr 26, 2013 at 5:45 PM, William Mills <wmills@xxxxxx> wrote:
> On 04/26/2013 03:06 AM, Mats Liljegren wrote:
>>
>> I would like to perform a customer demo running a benchmark
>> application in full nohz mode on TCI6638k2k target, which as far as I
>> understand it is a KeyStone II architecture.
>>
>> Does anyone know what the best Linux source code is to perform the
>> nohz port for this board? It should preferably be Linux 3.9 of any RC
>> level, but 3.8 should work as well.
>>
>> I also need a hardware timer to be used as an interrupt source for the
>> interrupt latency measurements. Any suggestions for framework or
>> driver to use?
>>
>
> Mats,
>
> The team is just now rebasing the bringup work on 3.8.4.  You can find their
> work here:
> http://arago-project.org/git/projects/?p=linux-keystone.git;a=shortlog;h=refs/heads/release-server/master
>
> (The word "server" ~= 3.8 for this archive)
>
> Please note that all the master branches are rebuilt from the feature
> branches in the nightly build script.  I think the feature branches get
> rebased also.  The tags of course you can count on.
>
> The A15's use the per-core archetecture timer normally.  However the SOC has
> multiple (20) Timer64 peripherals that can be used as well if they are not
> being used by the DSPs.  If you configure which timer64 to use w/ device
> tree you should be fine.
>
> Bill

Thanks! I'll check it out.

/Mats
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