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>

diff --git a/arch/arm/include/asm/arch-omap3/mem.h b/arch/arm/include/asm/arch-omap3/mem.h
index a78cf9f596aae7e87921fbaf6976bd0be66f92a8..f165949f872bb6a25063d1fa8fd592dc6e8f6e53 100644 (file)
--- 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"