From: Brad Boyer <flar@allandria.com>
To: Finn Thain <fthain@telegraphics.com.au>
Cc: Riccardo <riccardo@kaffe.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
linux-m68k@vger.kernel.org
Subject: Re: [PATCH] reinstate mac rtc
Date: Wed, 15 Oct 2008 23:49:19 -0700 [thread overview]
Message-ID: <20081016064919.GB28644@cynthia.pants.nu> (raw)
In-Reply-To: <Pine.LNX.4.64.0810161144240.6252@loopy.telegraphics.com.au>
On Thu, Oct 16, 2008 at 12:02:59PM +1100, Finn Thain wrote:
> I don't know what is wrong with the clock on the Q950. Mine uses ntp. Are
> you sure it works with 2.2?
I'm very sure that we never had a working RTC on the Q900/Q950. In fact,
I believe that trying it crashed the system in 2.2. The kernel tried to
use one of the existing RTC routines on that hardware when it wasn't
the right thing to do. In particular it used the VIA bit-poking method
that really old macs need and that wasn't a good thing.
The caboose chip handles the RTC on these systems (and a few other
things as well) and we just simply don't know how to use it.
Brad Boyer
flar@allandria.com
next prev parent reply other threads:[~2008-10-16 6:50 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.64.0810061855300.28882@loopy.telegraphics.com.au>
2008-10-13 19:21 ` [PATCH] reinstate mac rtc Geert Uytterhoeven
2008-10-14 2:16 ` Finn Thain
2008-10-14 7:30 ` Geert Uytterhoeven
2008-10-15 21:41 ` Riccardo
2008-10-16 1:02 ` Finn Thain
2008-10-16 6:49 ` Brad Boyer [this message]
2008-10-18 11:12 ` Riccardo
2008-10-18 17:39 ` Kolbjørn Barmen
2008-10-19 2:53 ` Finn Thain
2008-10-19 16:37 ` Kolbjørn Barmen
2008-10-20 2:03 ` Finn Thain
2008-10-20 2:05 ` Michael Schmitz
2008-10-20 19:13 ` Laurent Vivier
2008-10-22 7:19 ` Michael Schmitz
2008-10-22 11:09 ` Kolbjørn Barmen
2008-10-22 22:14 ` Laurent Vivier
2008-10-23 3:56 ` Michael Schmitz
2008-10-23 7:28 ` Geert Uytterhoeven
2008-10-23 7:39 ` Geert Uytterhoeven
2008-10-24 2:49 ` Michael Schmitz
2008-10-25 4:24 ` Michael Schmitz
2008-10-25 5:10 ` Finn Thain
2008-10-25 7:08 ` Finn Thain
2008-10-26 3:04 ` Michael Schmitz
2008-10-26 3:24 ` Finn Thain
2008-10-19 11:52 ` Finn Thain
2008-10-18 16:17 ` Riccardo
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