Re: [Gumstix-users] Watchdog Timer on Overo resets improperly?

[Jeff D. <je...@gr...>]

On 5/27/2011 4:08 PM, Matthew McPherrin wrote:
> Hello,
>
> We have a few Overos (Tides, earths) on stagecoaches and tobis.
>
> However, we can't get the watchdog timer to properly reset the board.
> It seems to hang in some state where we have to power cycle it after
> the watchdog bites.
>
> I've tried it in both my own operating system, with drivers written
> according to the data sheet, and the Linux kernel's drivers.
> (Our drivers work on another non-gumstix board with a similar OMAP SoC).
>
> Has anybody here successfully used the watchdog timer to reset their hardware?

I use the watchdog on a Water, but as I recall it would always boot from NAND 
when triggered.  It appears to skip the boot order in that case.  We only boot 
from NAND so it works for us.

-- 
Jeff DeFouw <je...@gr...>
Programmer
Grand Rapids Technologies