From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Richard Cochran <richardcochran@domain.hid>
Cc: adeos-main@gna.org, Xenomai-core@domain.hid
Subject: Re: [Xenomai-core] [Adeos-main] ARM IXP: ipipe regression from 2.6.31 to .33 and .35
Date: Thu, 07 Apr 2011 22:26:02 +0200 [thread overview]
Message-ID: <4D9E1DDA.1000503@domain.hid> (raw)
In-Reply-To: <20110407201204.GA4913@domain.hid>
Richard Cochran wrote:
> On Thu, Apr 07, 2011 at 09:02:58PM +0200, Richard Cochran wrote:
>> On Thu, Apr 07, 2011 at 08:32:52PM +0200, Gilles Chanteperdrix wrote:
>>> I think the ixp is a 32 bits free-running counter with match register,
>>> wich is a configuration I tested. So, I would tend to think that the
>>> issue is rather in the clock_events implementation.
>> The IXP425 has one shot, count down timer (see below). Does that make
>> any difference?
>>
>> (It might be that one of the other IXPxxx chips does have a match
>> register, but not this one.)
>
> What I meant to say:
>
> Yes, the time register is a 32 bits free-running counter.
>
> But, the interrupt source is a count down register, with or without
> automatic reload.
On my side, I meant to say, the issue is in the implementation of the
I-pipe one-shot timer, the function ipipe_mach_set_dec...
--
Gilles.
next prev parent reply other threads:[~2011-04-07 20:26 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-07 17:08 [Xenomai-core] ARM IXP: ipipe regression from 2.6.31 to .33 and .35 Richard Cochran
2011-04-07 18:32 ` [Xenomai-core] [Adeos-main] " Gilles Chanteperdrix
2011-04-07 19:02 ` Richard Cochran
2011-04-07 20:12 ` Richard Cochran
2011-04-07 20:26 ` Gilles Chanteperdrix [this message]
2011-04-08 6:05 ` Richard Cochran
2011-04-08 6:12 ` Richard Cochran
2011-04-08 6:18 ` Gilles Chanteperdrix
2011-04-08 6:16 ` Gilles Chanteperdrix
2011-04-08 6:29 ` Richard Cochran
2011-04-08 6:35 ` Gilles Chanteperdrix
2011-04-08 6:46 ` Richard Cochran
2011-04-08 6:35 ` Gilles Chanteperdrix
2011-04-08 6:51 ` Richard Cochran
2011-04-08 15:37 ` Gilles Chanteperdrix
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