[M] Change in coreboot[master]: soc/intel/common/block/oc_wdt: Add OC watchdog common block

[Michał Żygowski (Code Review)]

Attention is currently required from: Angel Pons, Arthur Heymans, Benjamin Doron, Martin L Roth, Maximilian Brune, Michał Kopeć, Nico Huber, Werner Zeh.

Michał Żygowski has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/68944?usp=email )

Change subject: soc/intel/common/block/oc_wdt: Add OC watchdog common block
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Patch Set 17:

(1 comment)

File src/soc/intel/common/block/oc_wdt/oc_wdt.c:

https://review.coreboot.org/c/coreboot/+/68944/comment/cbd08859_7f6c5ebb :
PS17, Line 62: unsigned int oc_wdt_get_current_timeout(void)
             : {
             : 	return (inl(PCH_OC_WDT_CTL) & PCH_OC_WDT_CTL_TOV_MASK) + 1;
             : }
> Was this tested? I couldn't find a hint in the register description that […]

Nico, the value in the register reflects the currently programmed timeout (so it is constant between writes), not the actual timer value. BTW I don't know if the current timer value is even accessible anywhere.