Re: [PATCH 4/8] Force detect and enable HPET on ICH

[Udo A. Steinberg]

On Mon, 7 May 2007 13:31:28 -0700 Venki Pallipadi (VP) wrote:

VP> Force detect and/or enable HPET on ICH chipsets. This patch just handles the
VP> detection part and following patches use this information.
VP> 
VP> Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@xxxxxxxxx>

Venki,

Is there any reason your patch only enables HPET on ICH6 and beyond? HPET can
be enabled on earlier ICH by setting bit 17 in GEN_CNTL on PCI dev 31, func 0,
offset d0. This seems to work for ICH3/4/5. Are there any errata affecting
these ICHs?

Cheers,

	- Udo

-- 
Dipl.-Inf. Udo Steinberg                     
Technische Universität Dresden               http://os.inf.tu-dresden.de/~us15
Institute for System Architecture            Tel: +49 351 463 38401
D-01062 Dresden                              Fax: +49 351 463 38284

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