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| author | Enric Balletbo i Serra <eballetbo@gmail.com> | 2010-10-14 16:53:27 -0400 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-10-17 20:14:39 +0200 |
| commit | 84b6631038a869a604adc9ca60c5f545bbf2650e (patch) | |
| tree | 6d97253041c2820f4532d931d48bafdc77402f53 /arch/arm | |
| parent | 57b512b2ecc9c7a6c8a39c5356ea80fc3164d9e4 (diff) | |
| download | u-boot-imx-84b6631038a869a604adc9ca60c5f545bbf2650e.zip u-boot-imx-84b6631038a869a604adc9ca60c5f545bbf2650e.tar.gz u-boot-imx-84b6631038a869a604adc9ca60c5f545bbf2650e.tar.bz2 | |
OMAP3: SDRC: Introduce Numonyx DDR type
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 <eballetbo@gmail.com>
Acked-by: Steve Sakoman <steve.sakoman@linaro.org>
Tested-by: Steve Sakoman <steve.sakoman@linaro.org>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | 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" |