Hi All,

I'm having a problem where fw_setenv fails writing the environment to a SPI NOR
device with a 4K erase block size.  This led me to two discoveries and two
patches:

1) The "default" number of environment sectors is assumed to be one, even if
the environment is larger than a sector.

2) fw_setenv has a bug calculating bytes written for NOR devices.

Patches to follow:

[PATCH 1/2] fw_env: calculate default number of env sectors
[PATCH 2/2] fw_env: correct writes to devices with small erase blocks

Thanks,

                --Dustin
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