linux-kernel - Re: HPET force-enable investigations on Via VT8235

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Message-ID: <20070807131131.163b09fc@laptop.hypervisor.org>
Date:	Tue, 7 Aug 2007 13:11:31 +0200
From:	"Udo A. Steinberg" <us15@...inf.tu-dresden.de>
To:	Andreas Mohr <andi@...as.de>
Cc:	Rafał Bilski <rafalbilski@...eria.pl>,
	David Edwards <powertop@....lusars.net>, power@...host.org,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: HPET force-enable investigations on Via VT8235

On Mon, 6 Aug 2007 23:57:52 +0200 Udo A. Steinberg (UAS) wrote:

UAS> My guess is that newer revisions of VT8235 have HPET whereas older
UAS> revisions do not. I'll get an lspci dump from our box tomorrow.

Here is the lspci dump from our K7VT4A+ board, where HPET works.

00:00.0 Host bridge: VIA Technologies, Inc. VT8377 [KT400/KT600 AGP] Host Bridge (rev 80)
00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI Bridge
00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80)
00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80)
00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80)
00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 50)
00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 74)
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV100 QY [Radeon 7000/VE]

00:11.0 0601: 1106:3177
00: 06 11 77 31 87 00 10 02 00 00 01 06 00 00 80 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 49 18 77 31
30: 00 00 00 00 c0 00 00 00 00 00 00 00 00 00 00 00
40: 44 00 78 00 00 00 00 00 0c 01 00 00 44 00 08 08
50: 81 1d 09 00 00 00 00 00 43 00 ff 01 00 00 04 08
60: 00 00 00 00 10 00 02 04 00 00 00 00 00 00 00 00
70: 49 18 77 31 00 00 00 00 00 00 00 00 10 00 00 00
80: 20 84 59 00 9a 10 00 00 01 08 00 00 04 18 00 00
90: 00 77 d8 00 b4 c5 08 00 10 92 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 01 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 01 04 01 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 04 08 c0 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 16 00 00 00 00 00 01 00 00 00

Cheers,

	- Udo

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