Messages in this thread | | | Date | Mon, 7 Feb 2005 16:59:53 +0200 | From | Pasi Kärkkäinen <> | Subject | Re: [WATCHDOG] support of motherboards with ICH6] |
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On Mon, Feb 07, 2005 at 02:48:49PM +0000, P@draigBrady.com wrote: > Pasi Kärkkäinen wrote: > >On Mon, Feb 07, 2005 at 10:00:03AM +0100, P.O. Gaillard wrote: > > > >>Hi, > >> > >>I am replying to myself so that people googling for similar problems can > >>find the answer. > >> > >>Supermicro says that the internal driver of the southbridge (and also the > >>W83627HF chip) are not useable because the necessary support hardware is > >>missing. They say that the P8SCi board has a working watchdog. > >> > >> hope this can help somebody someday, > >> > >> P.O. Gaillard > >> > > > > > >Hi! > > > >I have P8SCi motherboard, and I just tried the watchdog with Linux 2.6.10. > > > >I loaded w83627hf_wdt driver, and the watchdog was detected: > > > >WDT driver for the Winbond(TM) W83627HF Super I/O chip initialising. > >w83627hf WDT: initialized. timeout=60 sec (nowayout=0) > > Note there is no detection. It just writes to a particular IO port > (2E by default). > > >But it is not working. I tried setting the timeout to 1 minute, and to > >8 minute in the BIOS, but the machine reboots after the delay no matter > >what > >the delay is.. the watchdog driver is loaded before the timeout of course. > > > >For some reason, the driver is not working. > > > >I mailed supermicro support about this, and they told me one of their > >customers is using watchdog with Debian 2.6.10 kernel. > >So it should work, but.. > > You need to ask them what watchdog they use exactly. > I've seen motherboards that have w83637hf chips but > actually wire the intel watchdog up so you need the i8xx_tco driver > > If they are using the w83726hf chip you need to ask > what IO port they're using. >
Hi!
http://nrg.joroinen.fi/watchdog_function_project_description_P4SGL.doc
That is the document I got from supermicro.. it has the io ports / registers they're using and also watchdog example in assembly.
It seems that they're using 0x2E..
-- Pasi Kärkkäinen ^ . . Linux / - \ Choice.of.the .Next.Generation. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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