device cpufreq

[David O'Brien]

On Wed, Jun 29, 2005 at 11:59:20AM -0700, Peter Wemm wrote:
> On Tuesday 24 May 2005 08:59 am, David O'Brien wrote:
> > On Thu, May 19, 2005 at 08:31:16PM -0700, Neil Short wrote:
> > > I updated to 6.0-CURRENT to test out the powernow
> > > drivers on my machine. It's a laptop and the processor
> > > is AMD Athlon-xpm.
> > > carmen# dmesg
> > > ...
> > > CPU: AMD Athlon(tm) XP Processor 3000+ (1595.89-MHz
> > > 686-class CPU)
> > >   Origin = "AuthenticAMD"  Id = 0xf48  Stepping = 8
> >
> > I'm surprised by this output - you have a K8 core CPU (754-pin rev.
> > C0). Your BIOS should say something other than "Athlon(tm) XP".  What
> > laptop do you have?
> >
> > > Features=0x78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR
> > >,PGE,MCA,CM OV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2>
> > >   AMD Features=0xc0500000<NX,AMIE,DSP,3DNow!>
> > > ...
> > > cpu0 on motherboard
> > > powernow0: <PowerNow! K8> on cpu0
> >
> > This is correct.
> 
> If you'll notice, he's got a '686-class' cpu and there is no LM (long 
> mode) in the AMD Features flag.  He's running FreeBSD/i386, not /amd64, 
> on an Athlon-XP mobile, not an Athlon64.  It might be a cut-down K8 
> core, but its not got 64 bit on it.

It most likely is a K8-based Sempron laptop, but AFAIK it should identify
the CPU as such.  That's why I wan't to know the model of laptop to check
into this.
 
-- 
-- David  (obrien at FreeBSD.org)