[U-Boot] [PATCH] watchdog disable for socfpga

Pavel Machek
2014-09-09T13:09:48Z

On Tue 2014-09-09 14:31:46, Marek Vasut wrote:
> On Tuesday, September 09, 2014 at 02:30:01 PM, Pavel Machek wrote:
> > On Tue 2014-09-09 14:20:23, Marek Vasut wrote:
> > > On Tuesday, September 09, 2014 at 02:03:28 PM, Pavel Machek wrote:
> > > > This adds watchdog disable. It is neccessary for running Linux kernel.
> > >
> > > Why do we not enable WDT in Linux instead ? Also, I recall there was a
> > > call to explicitly enable the L4 watchdog, so why do we not get rid of
> > > that instead ?
> >
> > Booting linux kernel without watchdog support should be valid
> > operation.
>
> If you watchdog is enabled, then not so much. Also, why can we not just disable
> the WDT in U-Boot instead using a config option ?

It seems that watchdog is enabled by default (by hardware or SPL), so
yes, watchdog disable operation (and this patch) in u-boot is a good
idea.

Pavel
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