[U-Boot] [RFC] arm926ejs: fix jump to RAM nand_boot

[Wolfgang Denk]

Dear Albert ARIBAUD,

In message <4CCF1AA5.809 at free.fr> you wrote:
>
> As I said, u-boot-spl does not relocate, it only copies itself to its
> link-time location and jumps there, and it does this only if loaded
> somewhere else to boot (if I may say so). *Usually* it will be loaded at
> the right place and thus won't copy itself and jump to itself.
>
> It still takes up some space, though. The copy and jump could actually
> be #ifdef's on CONFIG_NAND_SPL if everyone thinks it is safe -- please
> comment quickly as I'm preparing a patch set and that could go in it if
> agreed to.

I think the overhead for the test, copy & jump code is small enough to
always keep this in - id adds robustness at little cost. And if the
code is correctly loaded, and no copy takes place, there is basicly
zero runtime overhead either.

Best regards,

Wolfgang Denk

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