[U-Boot] current head don;t compile for mpc52xx based boards

[Wolfgang Denk]

Dear Po-Yu Chuang,

In message <AANLkTinnwR4sUAgiAsgSPB1MEJy8eT5rpHiJVSXShj2=@mail.gmail.com> you wrote:
> 
> Could you use objdump to check what is the symbol name for end of BSS
> defined by ppc toolchain? I don't have the environment now.

It appears there is no default value used - we get what we define in
the linker scripts, and (apparently) nothing else.

> It seems that we need to find a symbol name globally accepted by
> all toolchains of all platform. If we rename it to another name careless,
> we might get the same problem on another platform. Or maybe we can
> just rename the one used in standalone examples back to _end?

I don;t really understand what's going on there on ARM - see my RC
patch.

Best regards,

Wolfgang Denk

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