Alexey Galakhov wrote:
>> There was a bug some time ago, which was fixed for TIMER3, see commit:
>>
>> http://git.xenomai.org/?p=ipipe-gch.git;a=commit;h=ebf2fac4298e25509ba47942b9fad408dcefce1e
>>
>
> Oh, I know about this bug. That's the first thing I checked. I found that it
> is already fixed in my case. However, it is still unclear for me where the
> correct MUXes for timer4 and timer3 are initialized, seems to be kind of
> magic. I didn't checked TCFGs against the datasheet, going to do it now. I
> also think about making the free-running timer selectable from config since
> some machines may have something wired to timer3's PWM.
>
> I forgot to say, it works with patched kernel if CONFIG_IPIPE=no. Timers are
> the same in both cases. I don't quite understand, however, how the
> non-working free-running timer may affect the system in that case.
> Interrupts from timer4 are still generated, so the system may boot with
> ipipe off even with broken free-running timer without any obvious problems,
> am I right?
I have absolutely no idea. Fabian Godehart sent the patch, saying that
it fixed an issue, I merged it. That is all.
--
Gilles.
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