Re: [PATCH/RFC] Enable HPET on VIA8237 southbridge

[Karsten Wiese]

Am Montag, 26. September 2005 17:49 schrieb Clemens Ladisch:
> Karsten Wiese wrote:
> > if you have that chip on your mainboard and want to play with it's
> > hpet, this might get you going.
> 
> I'm using similar code for my ICH5 southbridge, but I patched
> arch/i386/kernel/acpi/boot.c instead so that the kernel can use it
> for its own purposes.

The kernel uses the hpet here too with my patch.
Please send me your acpi/boot.c patch.

I guess you setup an ACPI_HPET entry, if none has been found?
Maybe your approach is safer/better, 'cause you can scan other ACPI
assigned Hardware addresses there.
> 
> > One exception: Timer1 says it can do PERIODIC mode,
> > but this doesn't work here. One shot is ok.
> 
> This may be because your patch doesn't initialize the interrupt
> routing registers (which would have been the BIOS' job).

No. Interrupt works fine (IRQ 8). Reliably @10000/s.

   Regards,
   Karsten

	

	
		
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