cpu power "management" for non-dfs chips with no pmu (for instance, 750cxe and mpc7447 in pegasos)

[Raquel Velasco and Bill Buck]

Jon, we appreciate the effort that you, Kate and Becky are making. ;-)
R&B
On Jun 23, 2006, at 9:26 AM, Jon Loeliger wrote:

> So, like, the other day "Matt Sealey" mumbled:
>>
>> I have nothing real to contribute other than I would like to see  
>> it :)
>
> Disbelief.  :-)
>
>> Before I asked I checked Google (as is expected of anyone these days)
>> and found some discussions on debian-powerpc from 2002 but nobody
>> really did anything and nothing really came of it. I know 4 years  
>> later
>> all we have is powernowd which pokes up cpufreq which only supports
>> DFS and certain kinds of Mac PMU.
>
> Which is why it is all being revitalized now... :-)
> There was a mini symposium a couple months ago that started
> a few working groups to help kick start this back into viability.
>
>> ICTC is such a simple thing to support and you can slow down the CPU
>> pretty comprehensively (from halving to 255x in theory) with an on  
>> and
>> off flag. I am surprised nobody implemented a cpufreq governer  
>> even if
>> it is totally useless and gives no perceivable benefits..
>
> See?  You _are_ contributing already.  I encourage
> you to hit the linux-pm at lists.osdl.org list for a spell!
>
> You could start here:
> 	https://lists.osdl.org/mailman/listinfo/linux-pm
>
> Thanks,
> jdl
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