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From: Joseph Garcia <jpgarcia@execpc.com>
To: Naoki Takebayashi <ntakebay@bio.indiana.edu>
Cc: linuxppc-dev@lists.linuxppc.org
Subject: Re: enhanced RTC and SMP on PowerMac
Date: Wed, 05 Jan 2000 16:31:55 -0600	[thread overview]
Message-ID: <3873C65B.54932D84@execpc.com> (raw)
In-Reply-To: Pine.SOL.4.10.10001051648140.262-100000@sunflower.bio.indiana.edu


Naoki Takebayashi wrote:
> 
> Is enhanced RTC supposed to work on PowerMac?  When I compile with
> CONFIG_RTC, the kernel doesn't boot up and dies when it hits the following
> line:
> 
>    /* Initialize periodic freq. to CMOS reset default, which is 1024Hz */
>    CMOS_WRITE(((CMOS_READ(RTC_FREQ_SELECT) & 0xF0) | 0x06), RTC_FREQ_SELECT);

I have the same problem.  I dont think it should work.  (CMOS on a ppc?)

I have noticed that the 'clock' program seems to access the rtc.  Assuming it
is, it may have the code we want to put in the kernel.

-- 
Joseph P. Garcia      jpgarcia@execpc.com      jpgarcia@lidar.ssec.wisc.edu
CS Undergraduate                      Student Employee - Systems Programmer
University of Wisconsin - Madison                            UW Lidar Group

** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/

  reply	other threads:[~2000-01-05 22:31 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-01-05 22:04 enhanced RTC and SMP on PowerMac Naoki Takebayashi
2000-01-05 22:31 ` Joseph Garcia [this message]
2000-01-06  8:20   ` Charles E. Leiserson, Jr.
2000-01-06  8:24 ` Geert Uytterhoeven

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