On Mon, 8 Apr 2019 at 10:16, Maxime Ripard <maxime.ripard@xxxxxxxxxxx> wrote: > > On Sun, Apr 07, 2019 at 04:27:36PM +0200, Clément Péron wrote: > > Hi, > > > > On Fri, 5 Apr 2019 at 18:24, Clément Péron <peron.clem@xxxxxxxxx> wrote: > > > > > > Hi, > > > > > > On Fri, 5 Apr 2019 at 17:08, Maxime Ripard <maxime.ripard@xxxxxxxxxxx> wrote: > > > > > > > > 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. > > > > > > Some users report that the reboot on the PineH64 actually works. > > > > > > Clement > > > > > > > > > > > > > > > So that patch will not do anything then? > > > > Did some test and only interrupts are working right now. If the WDOG > > is configured to make the board reboot the system will be stuck :S > > Maybe better to disabled it for now and leave a comment. > > I dropped the two patches What do you think about having it but disabled with a comment ? I have tested the r_watchdog and this one is functionnal. Clement > > Maxime > > -- > Maxime Ripard, Bootlin > Embedded Linux and Kernel engineering > https://bootlin.com
