Booting Pandaboard from SD card

[Uwe Kleine-König]

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 at 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

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Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |