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From: Kumar Gala <galak@kernel.crashing.org>
Subject: Re: MPC8544 Watchdog Timer
Date: Thu, 26 Apr 2007 09:35:28 -0500
To: vinay hegde <thisismevinay@yahoo.co.in>
Cc: linuxppc-embedded@ozlabs.org
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On Apr 26, 2007, at 3:43 AM, vinay hegde wrote:

> Hi,
>
> I am working with Freescale MPC8544E board. I need an
> information related to the functionality of hardware
> watchdog provided by MPC8544 processor.
>
> Here is the question:
>
> On watchdog timeout, whether the CPU can reset itself
> _or_ does it assert a hardware HRESET_REQ signal to
> some external hardware requesting for reset?
>
> Please let me know the inputs.

This a question best asked to Freescale support. However, I believe  
the processor will end up asserting HRESET_REQ and expects external  
board logic to reset things.

The processor core will reset itself as part of this process.

- k