* MPC8544 Watchdog Timer
@ 2007-04-26 8:43 vinay hegde
2007-04-26 14:35 ` Kumar Gala
0 siblings, 1 reply; 2+ messages in thread
From: vinay hegde @ 2007-04-26 8:43 UTC (permalink / raw)
To: linuxppc-embedded
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.
Thanks,
Vinay
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: MPC8544 Watchdog Timer
2007-04-26 8:43 MPC8544 Watchdog Timer vinay hegde
@ 2007-04-26 14:35 ` Kumar Gala
0 siblings, 0 replies; 2+ messages in thread
From: Kumar Gala @ 2007-04-26 14:35 UTC (permalink / raw)
To: vinay hegde; +Cc: linuxppc-embedded
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
^ permalink raw reply [flat|nested] 2+ messages in thread
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