aw_thermal breakage on Allwinner H3 SoC

[Milan Obuch]

On Tue, 25 Oct 2016 20:26:09 +0200
Milan Obuch <freebsd-arm at dino.sk> wrote:

> On Tue, 25 Oct 2016 18:03:14 +0200
> Milan Obuch <freebsd-arm at dino.sk> wrote:
> 
> > On Tue, 25 Oct 2016 12:12:15 -0300 (ADT)
> > Jared McNeill <jmcneill at invisible.ca> wrote:
> >   
> > > Does this patch help? It uses the same values as the BSP for
> > > sun8iw7p1 found here:
> > > https://github.com/friendlyarm/h3_lichee/blob/master/linux-3.4/drivers/thermal/sunxi-temperature.c#L1287
> > > 
> > > With this patch my NanoPi NEO shows around 39C when idle.
> > > 
> > > Cheers,
> > > Jared
> > >     
> > 
> > Hello,
> > 
> > in my case it shows around 60 degrees now, but I have no heatsink
> > attached. So it looks like it helped, thanks.
> > 
> > I will let it run for some time what happens.
> >  
> 
> ... well, it shuts down itself pretty quickly. Approx. in 15 minutes.
> 
> Milan
>

One more observation: booting verbose shows following
aw_thermal0: <Allwinner Thermal Sensor Controller> mem 0x1c25000-0x1c253ff irq 29 on simplebus0
aw_thermal0: #0: alarm 42C hyst 15C shut 65C

which is for me wrong - shutdown temperature 65 degrees is unacceptably
low.

Milan