From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alessandro Rubini <rubini-list@gnudd.com>
Date: Mon, 20 Jul 2009 14:21:06 +0200
Subject: [U-Boot] U-Boot environment update in linux embedded
	ARM	architecture
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> 0x20000 *U-Boot (2009.06)*
> 0x60000 *U-Boot Env.*

So two blocks. for u-boot, which is bigger than one block.

> the u-boot environment part of the u-boot code is overwritten with the 
> environment parameters. This happens only when our NAND flash has bad 
> blocks in the u-boot zone. (Block 1 and 2),

In this case u-boot is stored in two blocks, but skipping the bad
block.  Your env area will contain the trailing part of u-boot binary.
I'm sure your consultant already told you.

> /Questo messaggio ed i suoi allegati viene spedito solo alle persone 
> indicate come destinatarie. Esso contiene informazioni confidenziali 

Please avoid this meaningless stuff when posting to public lists (even
in private mail it sounds insulting, but that's just personal taste).

/alessandro