Quick question?

[Rayagonda Kokatanur]

On Fri, Sep 25, 2020, 4:32 PM jchludzinski <jchludzinski at vivaldi.net> wrote:

> On 2020-09-24 17:36, jchludzinski wrote:
> > I'm trying to bring up an RTOS (vxworks) using u-boot and have had
> > some "partial" success:
> >
> > If I use the 2014 u-boot that comes with Quartus 18.1 (a tarball in
> > the download), vxworks successfully boots.
> >
> > If I clone the github repo
> > (https://github.com/altera-opensource/u-boot-socfpga.git)  and build
> > u-boot from that (2020), vxworks fails to boot. What appears to be
> > happening is an (fpga?) watchdog timer goes off and a HW reset is
> > called. Then of course, u-boot reboots.
> >
> > Any thoughts? Why would this occur with the newer u-boot and not with
> > the older u-boot?
> >
> > ---John
>
> I don't see the "Watchdog enabled" message in the output from the older
> u-boot.
>

watchdog service starts by default in latest uboot and it's set to 60s.

If you wait for more than 60s at uboot prompt or you os loading takes long
time then watchdog resets.

Define CONFIG_WATCHDOG , this will takes care of resting watchdog.

Thanks,
Rayagonda

>
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