[PATCH 2/2] watchdog: Add Apple SoC watchdog driver

[Sven Peter]

On Sat, Nov 13, 2021, at 16:24, Alyssa Rosenzweig wrote:
>> + * This HW block has three separate watchdogs. WD0 resets the machine
>> + * to recovery mode and is not very useful for us. WD1 and WD2 trigger a normal
>> + * machine reset. WD0 additionally supports a configurable interrupt.
>
> Do we have any idea what the difference between WD1 and WD2 is?

I've never seen macOS write to WD2 when running in our hypervisor and only
found that one when I was looking at the rest of the MMIO region.
>From what I can tell it works exactly like WD1.

Sven