From: Bill Fink <billfink@mindspring•com>
To: Benjamin Herrenschmidt <benh@kernel•crashing.org>
Cc: linuxppc-dev@lists•linuxppc.org, Bill Fink <billfink@mindspring•com>
Subject: Re: Serial Console on XServe and yaboot???
Date: Wed, 12 Mar 2003 08:19:31 -0500 [thread overview]
Message-ID: <20030312081931.2cafbb86.billfink@mindspring.com> (raw)
In-Reply-To: <1047455184.18956.27.camel@zion.wanadoo.fr>
Hi Ben,
On 12 Mar 2003, Benjamin Herrenschmidt wrote:
> On Wed, 2003-03-12 at 04:33, Bill Fink wrote:
> > I'd like to use the serial port on the XServe as a serial console.
> > I enabled CONFIG_SERIAL_CONSOLE in a 2.4.20-0.7b (YDL 2.3) kernel,
> > set the OF input-device and output-device parameters to ttya, and
> > booted with the kernel argument "console=ttyS0,38400".
> >
> > This actually works once the system starts booting. My problem
> > is that I never get a chance to interact with yaboot and thus for
> > example can't select a different Linux kernel to boot. Is there
> > any way to accomplish this, for example by some suitable modification
> > to the ofboot.b file in the boot partition? Or is this just not
> > supported by the hardware?
> >
> > Thanks in advance for any help or pointers, or even for informing
> > me that this is a hopeless quest.
>
> iirc, there is something weird with the OF params for the console
> on the xserve. Try changing these:
>
> intput-device "scca"
> output-device "scca"
> input-device-1 "scca"
> output-device-1 "scca"
Thanks for the idea, but unfortunately it had no effect, as I saw
no yaboot screens show up when I did a reboot. Is it possible that
the initial OF uses a different baud rate than 38400 (although I
didn't even see any garbage show up)?
-Bill
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2003-03-12 13:19 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-12 3:33 Serial Console on XServe and yaboot??? Bill Fink
2003-03-12 7:46 ` Benjamin Herrenschmidt
2003-03-12 8:51 ` Brad Boyer
2003-03-12 10:44 ` Serial Console on XServ " Benjamin Herrenschmidt
2003-03-12 13:19 ` Bill Fink [this message]
2003-03-12 13:42 ` Serial Console on XServe " Benjamin Herrenschmidt
2003-03-14 3:17 ` Bill Fink
2003-03-12 8:38 ` Ethan Benson
-- strict thread matches above, loose matches on Subject: below --
2003-03-14 3:29 Bill Fink
2003-03-14 7:24 ` Ethan Benson
2003-03-14 16:27 ` Bill Fink
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