From: Daniel Ann <ktdann@gmail.com>
To: "Mark A. Greer" <mgreer@mvista.com>
Cc: linuxppc-embedded <linuxppc-embedded@ozlabs.org>
Subject: Re: Best way to determine tb_ticks_per_jiffy inside todc_calibrate_decr()
Date: Tue, 12 Apr 2005 12:55:53 +0900 [thread overview]
Message-ID: <9b7ca657050411205576f4618f@mail.gmail.com> (raw)
In-Reply-To: <425AC449.4070401@mvista.com>
On Apr 12, 2005 3:39 AM, Mark A. Greer <mgreer@mvista.com> wrote:
> Because the internally kept time in ppc linux is based on the
> decrementer counter and, according to the manual for the 8245, the
> decrementer counter is decremented once every four sys_logic_clk
> cycles. Therefore, you need to divide by 4.
Gotcha. Thanks ^^
--
Daniel
prev parent reply other threads:[~2005-04-12 3:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-08 8:45 Best way to determine tb_ticks_per_jiffy inside todc_calibrate_decr() Daniel Ann
2005-04-08 18:32 ` Mark A. Greer
2005-04-09 1:29 ` Daniel Ann
2005-04-11 18:39 ` Mark A. Greer
2005-04-12 3:55 ` Daniel Ann [this message]
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