[U-Boot] howto deal with nested $() in bootenv?

[Wolfgang Denk]

Dear Arno Steffen,

In message <804f0d21003040708h672d4814m6e1c4d5f32ea9c47 at mail.gmail.com> you wrote:
> To set my uboot environment (2008-10) I upload a script to uboot
...
> I case a) the serverip while loading will inserted fix in bootargs_nfs
> In case b) the serverip will not replaced so that the kernel get a
> $(serverip) part of command line.
> 
> How to change this above, so that I can later change serverip without
> changing anything else?

Please RTFM, thsi specific use case is explaind in detaiul there. See
especially section "7.4. Boot Arguments Unleashed" at
http://www.denx.de/wiki/view/DULG/LinuxBootArgs

Best regards,

Wolfgang Denk

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