[U-Boot-Users] is it possible to make the booting sequence in U-boot?

[Wolfgang Denk]

In message <BAY124-W1322E27AA87E199D7EB970A3A80 at phx.gbl> you wrote:
>
> Thanks a lot! But I am not sure, is there the "if " command in uboot? I rea
> d the manual and did not find it. I am just work on it for a few weeks, so.
> ..

Yes, there is, if you configure the hush shell as command line parser.

But then:

> >     Set env try First
> >     Boot From First
> >         if not enter in entry point
> >             Set env try First
> >             Boot From second
> >                 if not enter in entry point
> >                     Error Message No system available
> >                 else
> >                     if watchdog timeout
> >                         Error Message No system available
> >                     else
> >                             Banzai System Start
> >                     endif
> >                 endif
> >         else
> >             if watchdog timeout
> >                 Error Message No system available
> >             else
> >                 Set env try First
> >                 Boot From second
> >                 if not enter in entry point
> >                     Error Message No system available
> >                 else
> >                     if watchdog timeout
> >                         Error Message No system available
> >                     else
> >                             Banzai System Start
> >                     endif
> >                 endif
> >             endif
> >         endif

This is overly complex and not needed at all.

Best regards,

Wolfgang Denk

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