From: Wolfgang Denk <wd@denx.de>
To: Robin Gilks <robin.gilks@tait.co.nz>
Cc: linuxppc mail list <linuxppc-embedded@lists.linuxppc.org>
Subject: Re: PATCH: Another mpc8xx watchdog driver !!
Date: Wed, 07 Jan 2004 00:35:34 +0100 [thread overview]
Message-ID: <20040106233539.63641C12DD@atlas.denx.de> (raw)
In-Reply-To: Your message of "Wed, 07 Jan 2004 12:30:21 +1300." <3FFB450D.7060405@tait.co.nz>
In message <3FFB450D.7060405@tait.co.nz> you wrote:
>
> > Do you really mean RTC here???
>
> Yes - the 866 and derivatives (859 etc) do NOT have a Real Time Clock
> block. This means that hooking the RTC interrupt to 'kick the dog' is
> rather difficult :-))
That may be the case. But the watchdog code does not use any RTC at
all.
> "It is based on the code of Florian Schirmer but using kernel timers (as
> used by the DENX driver) rather than the RTC."
Have you ever seen a MPC8xx watchdog driver that used RTC for
triggering?
Best regards,
Wolfgang Denk
--
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd@denx.de
A wise person makes his own decisions, a weak one obeys public
opinion. -- Chinese proverb
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next parent reply other threads:[~2004-01-06 23:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3FFB450D.7060405@tait.co.nz>
2004-01-06 23:35 ` Wolfgang Denk [this message]
2004-01-07 0:03 ` PATCH: Another mpc8xx watchdog driver !! Robin Gilks
2004-01-07 0:11 ` Dan Malek
2004-01-06 22:28 Robin Gilks
2004-01-06 23:06 ` Wolfgang Denk
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