[U-Boot] DDR initialization

[Wolfgang Denk]

Dear Magnus Lilja,

In message <59b21cf20908182251v6e023327h42fceb2ffb86ccd2 at mail.gmail.com> you wrote:
> 
> It's often done in lowlevel_init.S, whether that's true for all
> platforms and all boards I do not know.

lowlevel_init.S is only used on ARM boards. No other architecture does
it like that.

Usually we try to avoid using assembler code, especially for critical
things like RAM initialization where you want to have the best
possible debug support (and just adding a printf() here and there is
often _very_ convenient).

Just one of the many areas where the ARM port has been done wrong.

Best regards,

Wolfgang Denk

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