From: Dan Malek <dmalek@jlc.net>
To: "Guy G. Sotomayor, Jr." <ggs@shiresoft.com>
Cc: Cort Dougan <cort@persephone.cs.nmt.edu>,
Troy Benjegerdes <hozer@drgw.net>,
linuxppc-dev@lists.linuxppc.org
Subject: Re: PReP RTC vs Decrementer accuracy...
Date: Thu, 10 Dec 1998 12:53:36 -0500 [thread overview]
Message-ID: <36700A9F.C1C99794@jlc.net> (raw)
In-Reply-To: 366F62CC.1C4B225E@shiresoft.com
Guy G. Sotomayor, Jr. wrote:
> Umm, but why are you keeping track of time with the decrementer?
Because that is the way it was done when I first looked at the kernel
a long time ago :-).
> .....use the timebase to keep track of time and the decrementer
> to deliver periodic interrupts?
Excellent idea. I have started to implement this on an MPC8xx board,
so I will let everyone know the results pretty quickly.
It appears the TB is part of every PPC core. If anyone knows different
please let me know.
-- Dan
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next prev parent reply other threads:[~1998-12-10 17:53 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-12-07 12:31 USB, PCI and registers Benjamin Herrenschmidt
1998-12-07 21:02 ` PReP RTC vs Decrementer accuracy Troy Benjegerdes
1998-12-08 5:00 ` Cort Dougan
1998-12-08 20:32 ` Dan Malek
1998-12-08 23:52 ` Cort Dougan
1998-12-09 7:30 ` Troy Benjegerdes
1998-12-09 8:25 ` Cort Dougan
1998-12-09 23:52 ` Corey Minyard
1998-12-10 4:20 ` Corey Minyard
1998-12-10 5:48 ` Cort Dougan
1998-12-10 10:58 ` Geert Uytterhoeven
1998-12-10 16:00 ` Corey Minyard
1998-12-09 20:37 ` Dan Malek
1998-12-10 5:57 ` Guy G. Sotomayor, Jr.
1998-12-10 17:53 ` Dan Malek [this message]
1998-12-10 19:26 ` Guy G. Sotomayor, Jr.
1998-12-11 5:53 ` Dan Malek
1998-12-13 17:05 ` Gabriel Paubert
1998-12-14 6:45 ` Dan Malek
1998-12-15 20:12 ` Dan Malek
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