[U-Boot-Users] ppc4xx: [PATCH] ML507 Board Support

Stefan Roese sr at denx.de
Thu Jul 17 10:39:38 CEST 2008


On Thursday 17 July 2008, Wolfgang Denk wrote:
> In message <200807170831.57309.sr at denx.de> you wrote:
> > > +phys_size_t initdram(int board_type)
> > > +{
> > > +	return 256 * 1024 * 1024;
> > > +}
> >
> > How about at least defining this SDRAM size in the board header and using
> > it here:
> >
> > board_foo.h:
> > #define CFG_MBYTES_SDRAM        256
>
> No. All boards, especially all PowerPC boards, should use dynamic
> memory size detection.

You are probably referring to calling get_ram_size() instead of just returning 
the configured fixed value. But what do we gain here. get_ram_size() also 
needs the ram-size as parameter. Not sure if this is an improvement on such 
fixed systems.

Best regards,
Stefan

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