[U-Boot] [PATCH] ppc4xx: Add CONFIG_DDR_RFDC_FIXED to allow board specific RFDC values

Stefan Roese sr at denx.de
Tue Jul 20 07:01:47 CEST 2010


Hi Wolfgang,

On Monday 19 July 2010 19:54:08 Wolfgang Denk wrote:
> > @@ -767,6 +767,13 @@ static u32 DQS_calibration_methodB(struct ddrautocal
> > *cal)
> > 
> >  	debug("\n\n");
> > 
> > +#if defined(CONFIG_DDR_RFDC_FIXED)
> > +	mtsdram(SDRAM_RFDC, CONFIG_DDR_RFDC_FIXED);
> > +	size = 512;
> > +	rffd_average = CONFIG_DDR_RFDC_FIXED & SDRAM_RFDC_RFFD_MASK;
> > +	mfsdram(SDRAM_RDCC, rdcc);	/* record this value */
> > +	cal->rdcc = rdcc;
> > +#else
> > 
> >  	in_window = 0;
> >  	rdcc = 0;
> > 
> > @@ -830,6 +837,7 @@ static u32 DQS_calibration_methodB(struct ddrautocal
> > *cal)
> > 
> >  		rffd_average = SDRAM_RFDC_RFFD_MAX;
> >  	
> >  	mtsdram(SDRAM_RFDC, rfdc_reg | SDRAM_RFDC_RFFD_ENCODE(rffd_average));
> > 
> > +#endif
> 
> In cases of such long blocks, where the ending #endif is many, many
> lines away, it is usually helpful to mark where the #endif belongs to:
> 
> 	#endif /* CONFIG_DDR_RFDC_FIXED */
> 
> Please do this here, too.

Yes, good idea. Thanks.

Cheers,
Stefan

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