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

Marek Vasut marex at denx.de
Tue Sep 9 15:46:59 CEST 2014


On Tuesday, September 09, 2014 at 03:09:48 PM, Pavel Machek wrote:
> 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.

OK.

Best regards,
Marek Vasut


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