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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/

       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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