Loading kernel from SPI NOR
Sascha Hauer
s.hauer at pengutronix.de
Thu Mar 14 03:26:50 EDT 2013
Hi Jeff,
On Wed, Mar 13, 2013 at 04:28:33PM -0700, Jeff Horn wrote:
> Hi,
>
> I have a custom board based on the i.MX53. We are using barebox 2012.05.0
> and booting the Freescale 2.6.35.3 kernel. Our board has SPI NOR (m25p32)
> and I saw there is a driver in a more recent barebox. I pulled 2013.01.0
> and added our board files but I can't seem to get the kernel to load. I
> used the uimage tool and the -i option reported back that it can read the
> kernel and the -v option reported ok. When I try and boot I see
> arch_number and then nothing.
>
> I'm continuing to dig in to see what I can find. Any pointers to where I
> can look is much appreciated.
The first thing you should check is whether your kernel is stored
correctly on the NOR flash. try a:
erase /dev/nor0
cp /someimage /dev/nor0
crc32 -f /someimage
ls -l /someimage
crc32 -f /dev/nor0 0+x
(with x being the size of /someimage as output by ls -l)
Sascha
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