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From: Richard Cochran <richardcochran@domain.hid>
To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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, 7 Apr 2011 22:12:04 +0200	[thread overview]
Message-ID: <20110407201204.GA4913@domain.hid> (raw)
In-Reply-To: <20110407190258.GA27879@domain.hid>

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.

Richard


  reply	other threads:[~2011-04-07 20:12 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 [this message]
2011-04-07 20:26       ` Gilles Chanteperdrix
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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