From: DeLaGarza, Robert <robdlg@att.net>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] mpc8245 timer
Date: Wed, 16 Apr 2003 00:51:58 -0700 [thread overview]
Message-ID: <01C303B2.677CCCC0.robdlg@att.net> (raw)
On Tuesday, April 15, 2003 2:00 AM, Wolfgang Denk [SMTP:wd at denx.de] wrote:
> In message <01C302F0.40E40DC0.robdlg@att.net> you wrote:
> >
> > ...in Table 11-11 of the _MPC8245 Integrated Processor User's Manual_,
> > there is the statement "The timers operate at 1/8 the speed of the SDRAM_CLK signal."
> >
> > Should the divisor in get_tbclk( ) be 8L for the MPC8245?
>
> You can easily try it out: how long does "sleep 10" sleep on your system?
Yes--thanks. I tested "sleep 10" on both our '8245 reference board (an Artis Microsystems
SBC-A3000) and our own custom '8241 board. In both cases, the sleep interval was correct.
Thus, the divisor in get_tbclk( ) appears to be fine. I will disregard Table 11-11, as it does not
seem to apply here.
next reply other threads:[~2003-04-16 7:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-16 7:51 DeLaGarza, Robert [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-04-15 8:42 [U-Boot-Users] mpc8245 timer DeLaGarza, Robert
2003-04-15 8:59 ` Wolfgang Denk
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