[U-Boot] tr

[Bo Shen]

Hi Frank,

On 11/14/2013 06:20 PM, Frank Ihle wrote:
> Hi everybody
>
> I'm writing you since you have been mentioned in the README as help
>
> I
>   got this ARM9 SAM9G25, and i try to use it with embedded linux, I
> already made the images but there's an Error on the target while booting which says "No NandFlash
> detected !" and afterwards it continues with the system already
> installed. Since there is a special page from Atmel for this job, i
> sticked to that content (http://www.at91.com/linux4sam/bin/view/Linux4SAM/SAM9x5Page).
>
> I wanted to boot that system from SD Card, therefore i used bootstrap with the at91sam9x5sduboot_defconfig (like the page says) and U-Boot with the at91sam9x5ek_nandflash_config.
>
> And i made an image with buildroot (with the patch for that CPU).
>
> So
>   in the end I put the boot.bin, u-boot.bin and the
> uImage-2.6.39-r1-at91sam9x5ek (from buildroot) on the FAT16 SD card and
> when i try to boot from that Card the error message appears '("no
> NandFlash detected"), then he ignores the SD-Card device and continues
> with the already installed system.
>
> Unfortunately i have completly no clue whats the problem here, i hope some of you can help me out. But what I know: it trys to read the SD-Card, since there's a little bit of a different startup when booting without the Card.

You try to boot up from SD card, why use at91sam9x5ek_nandflash_config? 
why not use at91sam9x5ek_mmc_config directly?

Anyway, for NAND flash, please check the jumper setting, do you disable it?

> Thank you! and greetings
>
> Frank

Best Regards,
Bo Shen