aux button interrupt to pmu?

[Neng-Yu Tu (Tony Tu)]

> | Yes, I think this will have compatible issue if user don't have debug
> | board for re-flash the NOR.
> 
> Can be, but we can maybe work around it.  For example we can look in
> resume function of "keyboard" that deals with buttons to see if AUX is
> still down when it resumes, and infer from this that we woke from AUX,
> set the AUX resume reason bit right then.
> 

Difficulty is user usually don't count how many second they press on 
key, so the result come from user behavior will be un-predictable during 
resume. Like press too long/twice or more/too short/repeately suspend. 
 User behavior is hard to predict even we only got 2 key in GTA02 :)

> Carsten mentioned it doesn't wake at the moment, I think it's probably
> because it isn't enabled as wake source.  If it does wake through to
> Linux OK from AUX -> NOR U-Boot -> Linux then the workaround above will
> probably work for even current NOR U-Boot.
> 

I don't know if NAND and NOR have different init code, does this affect?


> |
> | Yes, might be 3 weeks before in some ASU meeting.
> 
> Hardware design is a little bit older than this :-)
> 

Yup, we are doing software-able hardware ;)

Tony Tu