From: Tom Rini <trini@kernel•crashing.org>
To: andrew may <acmay@acmay•homeip.net>
Cc: Armin <akuster@pacbell•net>, John Tyner <jtyner@cs•ucr.edu>,
linuxppc-embedded@lists•linuxppc.org
Subject: Re: [PATCH] early serial init
Date: Thu, 11 Apr 2002 17:03:41 -0700 [thread overview]
Message-ID: <20020412000341.GM759@opus.bloom.county> (raw)
In-Reply-To: <20020411162849.F18158@ecam.san.rr.com>
On Thu, Apr 11, 2002 at 04:28:49PM -0700, andrew may wrote:
> On Thu, Apr 11, 2002 at 04:10:56PM -0700, Tom Rini wrote:
> > On Thu, Apr 11, 2002 at 03:36:42PM -0700, andrew may wrote:
> >
> > > This patch is to remove the need for the BASE BAUD define.
> >
> > Only if you get this information from somewhere else, yes? This isn't
> > currently something we grab from OpenBIOS, or could, right?
>
> If you look at the patch you see the only thing we need to know is the clock
> rate of the CPU. Then you can to a mfdcr() to calc the base baud. If there
> is an external clock then we need the basebaud from somewhere else.
Ah, right..
[snip]
> > More seriously, if someone wants to try and do that there's lots of
> > other things which would need to be changed first.
>
> Yes there is a lot of work to do, but I would like to see it happen.
> Right now we have to do seperate builds for our custum board and one for
> our Walnut boards and that is a pain.
I assume once the custom HW is 'ready', you'll be able to stop doing
that tho. I think you'll spend more time trying to get everything just
right than you would building 2 kernels a few times (I bet much of the
pain comes from the current kbuild crap. You might wanna play w/ the
current kbuild-2.5 stuff if you're going to pick a kernel rev & stay for
a while, it gets the deps right so you only recompile the needed files
in cases like this).
--
Tom Rini (TR1265)
http://gate.crashing.org/~trini/
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2002-04-12 0:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-11 20:00 [PATCH] early serial init John Tyner
2002-04-11 14:20 ` Armin
2002-04-11 21:26 ` John Tyner
2002-04-11 14:53 ` Armin
2002-04-11 22:36 ` andrew may
2002-04-11 16:05 ` Armin
2002-04-11 23:18 ` andrew may
2002-04-11 22:43 ` Matthew Locke
2002-04-11 22:52 ` John Tyner
2002-04-11 22:54 ` Matthew Locke
2002-04-11 23:10 ` Tom Rini
2002-04-11 23:28 ` andrew may
2002-04-12 0:03 ` Tom Rini [this message]
2002-04-12 0:41 ` andrew may
2002-04-11 23:09 ` Tom Rini
2002-04-12 1:29 ` David Gibson
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