Hi John,
On Thu, Nov 28, 2013 at 04:13:34PM +0000, John Parker wrote:
> I still have a problem with barebox freezing.
>
> I've tried various things as you have suggested, but have not got any further.
>
> Issuing wd 100, followed by wd repeated every few seconds seems to keep the
> system alive so it looks like the watchdog is to blame.
>
> According to the mx25 reference manual the watchdog is disabled until it is
> enabled by setting the WDE bit.
>
> I can't find anything (yet) in the startup which enables the watchdog by
> default?
>
> Does the flash header you sent me include anything which enables the
> watchdog?
When the i.MX25 boots using the serial protocol boot mode (either UART or USB)
the watchdog gets enabled automatically. You can't disable it.
baruch
--
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