[meta-freescale] MX28 Enable Watchdog reset

[Mårten Wikman]

2013/8/20 Fabio Estevam <festevam at gmail.com>

> On Thu, Aug 15, 2013 at 2:00 AM, Mårten Wikman <marten.wikman at novia.fi>
> wrote:
>
> > Just after I sent this question to the mailinglist I found out it's
> possible
> > to enable watchdog  just by writing something into /dev/watchdog0.
> However I
> > don't know yet how to enable watchdog very early in the boot process, I
> have
> > seen some posts on freescale community that says how to do it from
> u-boot,
> > that could be one way to do it.
>
> Yes, just tried 'echo 0 > /dev/watchdog' and then after about 20
> seconds the watchdog resets the board.
>

But how do I enable watchdog directly on boot before rootfs is mounted?
For example if I get a kernel panic because my rootfs is missing then I
want watchdog to reset my system.
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