Assuming you load the kernel to ram with tftp (and that "AppKernel" is
an mtdparts partition in NAND), then you could do:

nand erase.part AppKernel
tftp $load_addr uImage
crc32 $load_addr $filesize
nand write.i $load_addr AppKernel $filesize
nand read.i $load_addr AppKernel $filesize
crc32 $load_addr $filesize

To verify the CRCs match between what you load off tftp and what you
read back from NAND.
Everything works fine now.
I now use "nand write.i" and "nand read.i" instead of "nand write" and "nand.read".
Does STLinux have a support contact?

This list is for mainline U-Boot.  Have you checked whether these chips
are supported in current mainline U-Boot?
It was just a misunderstanding of u-boot commands.

Thank you guys for your help.


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