[U-Boot] amcc kilauea odd crashes

Stefan Roese sr at denx.de
Fri Oct 24 08:59:23 CEST 2008


On Friday 24 October 2008, Adam Graham wrote:
> > Too bad. Thanks for testing though.
> >
> > Adam & Victor, any ideas? If you don't see a "quick"
> > solution, please provide a temporary fix for this problem.
>
> Markus, the only quick solution that we have for immediate application is
> to disable the DDR autocalibration and therefore run with the original
> Kilauea SDRAM static values.  This will require you to recompile U-Boot and
> download it onto your board.
>
> To disable the DDR autocalibration code, in the include/configs/kilauea.h
> file, undef the "CONFIG_PPC4xx_DDR_AUTOCALIBRATION" definition and
> recompile U-Boot.

I just sent a patch disabling the autocalibration to the list. I intend to 
push this to Wolfgang soon. We can enable the autocalibration again when the 
issue is fixed.

Best regards,
Stefan

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