[U-Boot] Password protection of U-Boot command line

[Wolfgang Denk]

Dear Marek,

In message <201202101330.14119.marek.vasut at gmail.com> you wrote:
>
> > Yes, but if you don't allow setting of environment variables from the host
> > OS, how can you change the settings if you need to
> 
> You usually don't want to frob with ie. CPU speed of your Xray :-D

Medical devices that are based on U-Boot / Linux usually have hardware
based limitations on critical parameters.  You cannot always mount a
scratch monkey [1] ;-)

[1] http://www.catb.org/jargon/html/S/scratch-monkey.html


Best regards,

Wolfgang Denk

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