Re: How to enable HPET on an 2.6.23.9-rt12 with Intel ICH2

[Chirag Jog <chirag@linux.vnet.ibm.com>]

* Lampersperger Andreas <lampersperger.andreas@heidenhain.de> [2008-01-22 13:14:40]:

> No, there is no BIOS option which indicates HPET support. But the
> BIOS on my system is IMHO very very bad. It knows nothing about the
> features on the board. Is ist crucial to have here BIOS support? Or
> can these features be enabled by e.g. boot parameters?
Hi,
afaik, there needs to be h/w support enabled [via bios] as hpet is a hardware feature.
Without h/w enablement, the kernel can't do much.



> -----Ursprüngliche Nachricht-----
> Von: Chirag Jog [mailto:chirag@linux.vnet.ibm.com] 
> Gesendet: Dienstag, 22. Januar 2008 12:55
> An: Lampersperger Andreas
> Cc: linux-rt-users@vger.kernel.org
> Betreff: Re: How to enable HPET on an 2.6.23.9-rt12 with Intel ICH2
> 
> * Lampersperger Andreas <lampersperger.andreas@heidenhain.de> [2008-01-22 12:09:42]:
> 
> > Hello,
> > 
> > does anyone have a hint how to enable High resolution timers on my 
> > system (with a Intel ICH2 (which has afaik 8254 Timers). Is this 
> > hardware not enough for hr-timers?
> Check your BIOS settings.
> If your h/w supports HPET, there should be an option in the BIOS to turn it on.
> 
> <snip>
> --
> Cheers,
> Chirag Jog
> 
> 
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-- 
Cheers,
Chirag Jog