[U-Boot] Is it possible to boot the U-boot from the another U-boot from the flash area

[Wolfgang Denk]

Dear Ishwar Saunshi,

In message <CAKD3hySShg8+XNX1yQNVDDLYQupgaJC-Lmg1qZ32cy5eBm6GQw at mail.gmail.com> you wrote:
> 
> I am really curiuos to see if U-boot can boot another version or another
> Uboot burnt in flash ?
> Its like having 2 images of U-boot which can boot each other if it is
> possible can any one of you hint me how I can achive this. I tried to
> relocate the Uboot and burned on to the flash in 2 different loacation
> however when I try to do "go <U-boot effective address>" it ends up in TLB
> error in early stage of flash execution.

In general, this is not possible.  This topic is covered in the FAQ
here:
http://www.denx.de/wiki/view/DULG/CanUBootBeConfiguredSuchThatItCanBeStartedInRAM


Best regards,

Wolfgang Denk

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DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
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