Dear Reinhard Meyer,

In message <4cc68a07.6050...@emk-elektronik.de> you wrote:
>
> > Also, this code _is_ a bit different, as "get_timer(0)" makes sure
> > the counter starts ticking again at 0
> 
> Nope, it does not reset the counter itself. It returns the current
> counter value (recalculated into CONFIG_SYS_HZ units).
> Maybe you mean reset_timer() instead?

Yes, you are right, I was wrong.

> > have millisecond resolution.
> 
> Actually CONFIG_SYS_HZ (whatever that is).

It is defined to be 1000.

> I think it is necessary to summarize all implicit or explicit documented
> "defined to have's" regarding the timer and then to verify that all
> implementations adhere to them.

Indeed - documentation is an are where U-Boot has a serious lack.

Best regards,

Wolfgang Denk

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