From: Peter Kundrat <kundrat@kundrat.sk>
To: linux-kernel@vger.kernel.org
Subject: controlling the watchdog for embedded board Commell LE-564
Date: Mon, 24 May 2004 23:31:30 +0200 [thread overview]
Message-ID: <20040524213130.GA4013@kundrat.sk> (raw)
Hello,
Does anyone here happen to succeed in using watchdog for the
embedded 5.25" Commell LE-564 board (other commell boards might use
similar watchdog setup).
Their support is quite incompetent and could only say that
start address is 0x443 and stop 0x43 and that the logic is implemented
in custom ASIC.
The weirdness is that i found no way to "ping" or refresh the
timer .. if i activate it .. it fires in specified interval (set by
jumper) .. BUT even if i stop and start the timer before firing
it doesnt defer the activation!
I tried experimenting with different possible ways to control
it (trying writing different values to the port, tried also other
addresses), but to no avail.
I believe they would not build unusable watchdog so i am hoping
there is a way .. does anyone have an idea what other ways could
i try?
Thanks and regards,
Peter
--
Peter Kundrat
peter@kundrat.sk
reply other threads:[~2004-05-24 21:31 UTC|newest]
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