From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Fabian van der Werf <fvanderwerf@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: Booting Pandaboard from SD card
Date: Thu, 13 Oct 2011 11:36:27 +0200 [thread overview]
Message-ID: <20111013093627.GU577@pengutronix.de> (raw)
In-Reply-To: <CAJeSw6BJqdBON18UDRsBJgPov5iqXKmYRROnEyoH6SkNhOJg3w@mail.gmail.com>
Hello,
On Thu, Oct 13, 2011 at 11:14:17AM +0200, Fabian van der Werf wrote:
> On Thu, Oct 13, 2011 at 10:49 AM, Samuel Stirtzel
> <s.stirtzel@googlemail.com> wrote:
> >
> > Starting kernel ...
> >
> > commandline: <NULL>
> > arch_number: 2791
> > Uncompressing Linux... done, booting the kernel.
> >
> > -
> > The screen just stays blank after the last message.
> > This looks to me like it is (obviously) caused by an incorrect
> > environment loaded.
> >
> >
> > Help would be appreciated.
>
> Hi
>
> I am also trying to get things up and running using barebox. I am at
> about the same stage where you are. Though I am loading the kernel
> over TFTP instead from SD. Like you, I get "Uncompressing Linux...
> done, booting the kernel" and then nothing.
>
> Note that this last line is not printed by barebox but by the kernel.
> There is a separate kernel build option to enable a console on the
> omap serial port. Then you still need to add console=ttyOx,115200n8 to
> your boot arguments. I think it needs to be ttyO2, though I am not
> sure. I haven't had the time yet to try these options (it's just for a
> hobby project).
You might want to enable DEBUG_LL and EARLY_PRINTK in your kernel and
pass "earlyprintk" on the commandline. This is usually enough to provide
some output after Uncompressing Linux...
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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next prev parent reply other threads:[~2011-10-13 9:36 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-13 8:49 Samuel Stirtzel
2011-10-13 9:07 ` Samuel Stirtzel
2011-10-13 9:14 ` Fabian van der Werf
2011-10-13 9:29 ` Samuel Stirtzel
2011-10-13 9:45 ` Samuel Stirtzel
2011-10-14 7:17 ` Fabian van der Werf
2011-10-13 9:36 ` Uwe Kleine-König [this message]
2011-10-13 15:25 ` Sascha Hauer
2011-10-17 14:44 ` Samuel Stirtzel
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