[U-Boot] sam9x5 can't find Nand flash

[alex]

more information. samba script as below:

## Falshing binaries
puts "-I- === Initialize the NAND access ==="
NANDFLASH::Init

puts "-I- === Enable PMECC OS Parameters ==="
NANDFLASH::NandHeaderValue HEADER 0xc0c00405

puts "-I- === Erase all the NAND flash blocs and test the erasing ==="
NANDFLASH::EraseAllNandFlash

puts "-I- === Load the bootstrap: nandflash_at91sam9-ek in the first sector ==="
NANDFLASH::SendBootFilePmeccCmd $bootstrapFile

puts "-I- === Load the u-boot image ==="
send_file {NandFlash} "$ubootFile" $ubootAddr 0

puts "-I- === Load the u-boot env image ==="
send_file {NandFlash} "$ubootenvFile" $ubootenvAddr 0

puts "-I- === Load the Kernel image ==="
send_file {NandFlash} "$kernelFile" $kernelAddr 0

puts "-I- === Enable trimffs ==="
NANDFLASH::NandSetTrimffs 1

puts "-I- === Load the linux file system ==="
send_file {NandFlash} "$rootfsFile" $rootfsAddr 0

puts "-I- === DONE. ==="





At 2012-11-19 13:37:15,alex <laub923 at 163.com> wrote:

I use u-boot v2010.06 with atmel's patch. I give u-boot 512K size.

U-Boot 2010.06-00002-gb006d3d-dirty (Nov 19 2012 - 09:53:38)

DRAM:  128 MiB
NAND:  No NAND device found!!!
NAND Flash not found !
No NAND device found!!!
0 MiB






At 2012-11-19 11:19:25,"Bo Shen" <voice.shen at atmel.com> wrote:
>Hi Alex,
>
>On 11/19/2012 10:55, alex wrote:
>>   Hi MAINTAINER:
>>    Now I develop our product based on sam9x25 EVK, and redefine our NAND
>> partitions. I set u-boot environment in flash address0x80000.
>> if "saveenv" and "reset", u-boot will print "can't find NAND flash". If
>> I set u-boot environment in the address 0xc0000 as EVK board, it's OK. I
>> cant' know the reason.
>
>Which u-boot version do you use? Please also paste the u-boot boot log here.
>
>Please also check the u-boot file size, will the env overlap with it?
>
>Best Regards,
>Bo Shen
>