linux-mips
[Top] [All Lists]

RE: power management on mips

To: "Peter Popov" <ppopov@embeddedalley.com>, "Ivan Korzakow" <ivan.korzakow@gmail.com>, <linux-mips@linux-mips.org>
Subject: RE: power management on mips
From: "Mitchell, Earl" <earlm@mips.com>
Date: Tue, 18 Oct 2005 11:01:18 -0700
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
Thread-index: AcXUDQcWjrlrWVtwQbyMeZv/U4DdxAAABCKQ
Thread-topic: power management on mips
True. PDAs and mobile devices also use it. 
So it may be supported for platforms like
AMD's Alchemy (e.g. they have a PDA reference design).

-earlm

> -----Original Message-----
> From: linux-mips-bounce@linux-mips.org
> [mailto:linux-mips-bounce@linux-mips.org]On Behalf Of Peter Popov
> Sent: Tuesday, October 18, 2005 10:53 AM
> To: Mitchell, Earl; Ivan Korzakow; linux-mips@linux-mips.org
> Subject: RE: power management on mips
> 
> 
> 
> 
> 
> > I think. While back I read that MontaVista and IBM
> > were working on 
> > something called Dynamic Power Mgmt (DPM). Might
> > want to check that out? 
> > See links below. 
> 
> That's alive and well in shipping mobile phones and
> perhaps other devices. However, it requires quite a
> bit of work to port it to a new architecture/cpu and 
> as far as I know it never went mainstream. You'll end
> up with somewhat of a custom PM solution. Nothing
> wrong with that, as long as you're willing to maintain
> it internally as your kernel revs forward.
> 
> Pete
>  
> > -earlm
> >  
> > http://www.linuxdevices.com/news/NS4297534594.html
> >
> http://tree.celinuxforum.org/CelfPubWiki/PowerManagementDefini
tionOfTerms_5fR2
>  
> 
> 
> > -----Original Message-----
> > From: linux-mips-bounce@linux-mips.org
> > [mailto:linux-mips-bounce@linux-mips.org]On Behalf
> Of Ivan Korzakow
> > Sent: Tuesday, October 18, 2005 9:01 AM
> > To: linux-mips@linux-mips.org
> > Subject: power management on mips
> > 
> > 
> > Hi list,
> > 
> > Does anyone knows what power management features
> are there for mips ?
> > I know for example that ACPI have been porting to
> arm. Anything
> > equivalent for mips ? Is it possible to do some
> power management under
> > Linux if ACPI or APM is not ported to mips ? And
> if yes, what would be
> > the work to do ?
> > 
> > Thanks in advance,
> > 
> > Ivan
> > 
> > 
> 
> 



<Prev in Thread] Current Thread [Next in Thread>