PPC 44x Watchdog timer

Glenn Burkhardt glenn at aoi-industries.com
Wed Apr 20 22:02:45 EST 2005

After looking at the current BitKeeper 2.4 development tree on 
source.mvista.com, it looks like the use of the hardware watchdog timer was 
discontinued at some point in favor of using the general purpose timer.  The 
watchdog exception interrupt isn't used, and it's only configurable for 
PPC405 (although I think that the technique would work for the whole 4xx 

Or am I misreading the code?

It would also be nice if your patch were applied to the 2.6 kernel tree.

On Wednesday 20 April 2005 07:35 am, Takeharu KATO wrote:
> Hi
> IIRC, MontaVistaLinux has this feature.
> As far as I know, I found it in Monta Vista Linux 3 years ago at least.
> I've not checked resent kernel of Monta Vista Linux, so I am sorry if
> it is wrong now.
> Glenn Burkhardt wrote:
> > Is there a patch for the built in watchdog timer in the 440GP available
> > anywhere for the 2.4 kernel (viz., ELDK kernels)?
> By the way, BOOKE_WDT patch has not been commited to up-stream kernel.
> Matt(or Kumar?), please apply the patch.
> Regards,

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