From: Karsten Wiese <annabellesgarden@yahoo.de>
To: Clemens Ladisch <clemens@ladisch.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH/RFC] Enable HPET on VIA8237 southbridge
Date: Mon, 26 Sep 2005 19:34:03 +0200 [thread overview]
Message-ID: <200509261934.03876.annabellesgarden@yahoo.de> (raw)
In-Reply-To: <1127749798.433818a676435@domainfactory-webmail.de>
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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next prev parent reply other threads:[~2005-09-26 17:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-26 15:49 Clemens Ladisch
2005-09-26 17:34 ` Karsten Wiese [this message]
2005-09-28 7:03 ` Clemens Ladisch
-- strict thread matches above, loose matches on Subject: below --
2005-09-26 10:31 Karsten Wiese
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