From mboxrd@z Thu Jan  1 00:00:00 1970
From: Scott Wood <scottwood@freescale.com>
Date: Tue, 15 Sep 2009 17:24:01 -0500
Subject: [U-Boot] Flashing images bigger than ram
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Ben Goska wrote:
> Is there a standard way to have U-Boot flash really large images? I
> want to setup rootfs flashing from U-Boot but this requires flashing
> an image that is bigger than the ram of my system. I thought about
> breaking the image into chunks, but when flashing to NAND with bad
> blocks it is difficult to handle skipping the bad blocks.

Have you looked into ubi?  I'm not too familiar with it, but my 
understanding is that it has a better way of dealing with bad blocks.

-Scott