[U-Boot] [PATCH 0/6] Support NAND in fw_printenv/fw_setenv

What follows is a patch series to support NAND environment under Linux, including bad blocks. In principle, this is just one logical change, but it is a big one... So I split it into 6 smaller patches, which should be easier to review. Tested with and without redundant environment, with an injected bad block, crossing block border, read and write.

Thanks Guennadi --- Guennadi Liakhovetski, Ph.D.

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