Subject: Re: CPU specific Idle() function in locore_subr.S
To: Tim Kelly <>
From: Allen Briggs <>
List: port-powerpc
Date: 01/19/2005 17:16:52
On Wed, Jan 19, 2005 at 04:11:37PM -0500, Tim Kelly wrote:
> come up. We've located at least one and possibly two MPC7447A equipped
> Powerbooks, and I know that Emmanuel Dreyfus has expressed an interest
> in improving power saving mode in PBs.

It might be useful to look at how modern Intel mobile chips use
"SpeedStep" or "Enhanced SpeedStep" or whatever they call it.
I suspect it's similar to how the 7447A and 7448 can operate.
If so, it would be nice to have similar sysctl(?) handling.


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