On 08/08/2012 09:37 PM, Matt Sealey wrote:
> uEnv.txt and boot.scr aren't the same thing. uEnv.txt is the U-Boot
> environment usually on a fat partition.

I have no idea why it'd be limited to FAT; it's just a file...

> boot.scr is loaded by a readily loaded environment... You either
> predefined your environment and boot from it or you're using values
> from that environment. I wouldn't use uEnv.txt to replace a
> boot.scr on any system..

I'd view uEnv.txt as simply a different way of writing a boot script.
"env import" has a -d option which appears to merge the loaded
environment into the current environment, rather than completely
replacing the environment. I could easily imagine loading uEnv.txt,
expecting it to define some specific variable/macro containing the
subsequent boot commands, and then "run"ing that variable.

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