On Mon, 2010-10-11 at 00:12 +0200, Enric Balletbo i Serra wrote: > Introduce Numonyx DDR timings and provide CONFIG_OMAP3_NUMONYX_DDR > config options to allow for platform files to setup their timings. > > Signed-off-by: Enric Balletbo i Serra <[email protected]> > --- > arch/arm/include/asm/arch-omap3/mem.h | 43 > +++++++++++++++++++++++++++++++++ > 1 files changed, 43 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/include/asm/arch-omap3/mem.h > b/arch/arm/include/asm/arch-omap3/mem.h > index a78cf9f..f165949 100644 > --- a/arch/arm/include/asm/arch-omap3/mem.h > +++ b/arch/arm/include/asm/arch-omap3/mem.h > @@ -128,6 +128,45 @@ enum { > (MICRON_XSR_165 << 0) | (MICRON_TXP_165 << 8) | \ > (MICRON_TWTR_165 << 16)) > > +/* > + * NUMONYX part of IGEP v2 (165MHz optimized) 6.06ns > + * ACTIMA > + * TDAL = Twr/Tck + Trp/tck = 15/6 + 18/6 = 2.5 + 3 = 5.5 -> 6 > + * TDPL (Twr) = 15/6 = 2.5 -> 3 > + * TRRD = 12/6 = 2 > + * TRCD = 22.5/6 = 3.75 -> 4 > + * TRP = 18/6 = 3 > + * TRAS = 42/6 = 7 > + * TRC = 60/6 = 10 > + * TRFC = 140/6 = 23.3 -> 24 > + * ACTIMB > + * TWTR = 2 > + * TCKE = 2 > + * TXSR = 200/6 = 33.3 -> 34 > + * TXP = 1.0 + 1.1 = 2.1 -> 3 > + */ > +#define NUMONYX_TDAL_165 6 > +#define NUMONYX_TDPL_165 3 > +#define NUMONYX_TRRD_165 2 > +#define NUMONYX_TRCD_165 4 > +#define NUMONYX_TRP_165 3 > +#define NUMONYX_TRAS_165 7 > +#define NUMONYX_TRC_165 10 > +#define NUMONYX_TRFC_165 24 > +#define NUMONYX_V_ACTIMA_165 ((NUMONYX_TRFC_165 << 27) | \ > + (NUMONYX_TRC_165 << 22) | (NUMONYX_TRAS_165 << 18) | \ > + (NUMONYX_TRP_165 << 15) | (NUMONYX_TRCD_165 << 12) | \ > + (NUMONYX_TRRD_165 << 9) | (NUMONYX_TDPL_165 << 6) | \ > + (NUMONYX_TDAL_165)) > + > +#define NUMONYX_TWTR_165 2 > +#define NUMONYX_TCKE_165 2 > +#define NUMONYX_TXP_165 3 > +#define NUMONYX_XSR_165 34 > +#define NUMONYX_V_ACTIMB_165 ((NUMONYX_TCKE_165 << 12) | \ > + (NUMONYX_XSR_165 << 0) | (NUMONYX_TXP_165 << 8) | \ > + (NUMONYX_TWTR_165 << 16)) > + > #ifdef CONFIG_OMAP3_INFINEON_DDR > #define V_ACTIMA_165 INFINEON_V_ACTIMA_165 > #define V_ACTIMB_165 INFINEON_V_ACTIMB_165 > @@ -136,6 +175,10 @@ enum { > #define V_ACTIMA_165 MICRON_V_ACTIMA_165 > #define V_ACTIMB_165 MICRON_V_ACTIMB_165 > #endif > +#ifdef CONFIG_OMAP3_NUMONYX_DDR > +#define V_ACTIMA_165 NUMONYX_V_ACTIMA_165 > +#define V_ACTIMB_165 NUMONYX_V_ACTIMB_165 > +#endif > > #if !defined(V_ACTIMA_165) || !defined(V_ACTIMB_165) > #error "Please choose the right DDR type in config header"
Acked-by: Steve Sakoman <[email protected]> Tested-by: Steve Sakoman <[email protected]> _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
