[U-Boot] Booting kernel from NAND flash on AT91SAM9 custom board using fsload

[Scott Wood]

On Tue, 29 Mar 2011 11:37:25 -0600
Nicholas Kinar <n.kinar at usask.ca> wrote:

> On 29/03/2011 10:14 AM, Nicholas Kinar wrote:
> > Also as instructed in the README.NAND, README.JFFS2 and
> > README.JFFS2_NAND files found in the /doc/ directory, I've tried
> > defining the following in my
> > /include/configs/at91sam9rlek.h configuration file:
> >
> > #define CONFIG_JFFS2_NAND  1
> > #define CONFIG_CMD_JFFS2
> > #define CONFIG_SYS_MAX_FLASH_BANKS 1
> > #define CONFIG_CMD_NAND        1
> >
> 
> I've now added the following #undef to the list of defines above:
> 
> #undef CONFIG_CMD_FLASH
> 
> Now after typing "help" at the U-Boot command line, I can finally see 
> the fsload command listed.  However running fsload gives the following 
> error:
> 
> U-Boot> fsload
> support for FLASH devices not present
> incorrect device: nor0
> 
> This appears to be due to some code in the /common/cmd_jffs2.c file.  
> Can fsload be only used for NOR memory, or is there a way to use it for 
> NAND flash as well?

"support for FLASH devices not present" is printed when it's trying to act
on a device labelled as NOR, but there's no NOR support present.

Try the "chpart" command to switch to a NAND device, and/or make sure that
your mtdparts variable is set correctly.

-Scott