New user: need a hand booting the kernel from NAND

Sascha Hauer s.hauer at pengutronix.de
Thu Apr 19 03:13:25 EDT 2012


On Wed, Apr 18, 2012 at 11:42:25PM -0700, George Pontis wrote:
> Machine is a custom at91sam9g45 board with NOR and NAND flash. The bootstrap
> loader and barebox, and barebox environment are in the NOR flash. All seems
> to be working well there. The NAND is partitioned into 2 chunks:
> 2560K(kernel),-(root)
> 
>  
> 
> I used ubimkvol to create a volume on root and the nfs command to put a root
> filesystem on it. Seems to work fine if I get the kernel via NFS.
> 
>  
> 
> I have a good working kernel in uImage format, and used "nfs
> /var/share/uImage  /dev/nand0.kernel.bb" in an attempt to write it to the
> 2560K partition. The nfs copy seemed to work fine. However, it will not
> accept the image. I get messages about an unknown format, suggesting to try
> -f. Was it the wrong procedure that I used to copy the uImage ?

Have you erased you nand before (erase /dev/nand0.kernel.bb)?

Sascha

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