On Fri, Apr 05, 2019 at 10:59:35PM +0800, Chen-Yu Tsai wrote: > On Fri, Apr 5, 2019 at 10:50 PM Maxime Ripard <maxime.ripard@xxxxxxxxxxx> wrote: > > > > On Fri, Apr 05, 2019 at 10:35:08PM +0800, Chen-Yu Tsai wrote: > > > On Fri, Apr 5, 2019 at 5:02 PM Maxime Ripard <maxime.ripard@xxxxxxxxxxx> wrote: > > > > > > > > On Thu, Apr 04, 2019 at 03:57:36PM +0200, Clément Péron wrote: > > > > > Allwinner H6 has a watchog compatible with A31. > > > > > > > > > > Declare it in the device tree. > > > > > > > > > > Signed-off-by: Clément Péron <peron.clem@xxxxxxxxx> > > > > > > > > Applied both, thanks! > > > > Maxime > > > > > > IIRC there are 3 watchdogs on the H6. One is the trusted watchdog, > > > which should be reserved for underlying firmware. > > > > > > The other two are the normal and R-block watchdog. Although they > > > look the same, the "normal" one can't reset the system. :( > > > That one is actually the one ATF currently uses. So reboot doesn't > > > work on the H6. > > > > So that patch will not do anything then? > > I'm still on vacation, so I haven't checked the address of the new device. > If it's the normal one, then yeah, it won't do anything. I've tried that. > IIRC Samuel (or someone else) on IRC also mentioned this. It's the one in the timer that we've used since pretty much day 1 on older SoCs, so I guess it qualifies as the normal one :) Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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