From cc175e6353b088c6c79d8d51b56d76972aab5c65 Mon Sep 17 00:00:00 2001 From: Enric Balletbo i Serra Date: Thu, 4 Apr 2013 22:27:57 +0000 Subject: [PATCH] Add DDR3 support for IGEP COM AQUILA/CYGNUS. These boards uses Samsung K4B2G1646E-BIH9 a 2Gb E-die DDR3 SDRAM. Signed-off-by: Enric Balletbo i Serra --- arch/arm/include/asm/arch-am33xx/ddr_defs.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm/include/asm/arch-am33xx/ddr_defs.h b/arch/arm/include/asm/arch-am33xx/ddr_defs.h index fb4e78edfe..bb53a6a14e 100644 --- a/arch/arm/include/asm/arch-am33xx/ddr_defs.h +++ b/arch/arm/include/asm/arch-am33xx/ddr_defs.h @@ -117,6 +117,23 @@ #define MT41J512M8RH125_PHY_WR_DATA 0x74 #define MT41J512M8RH125_IOCTRL_VALUE 0x18B +/* Samsung K4B2G1646E-BIH9 */ +#define K4B2G1646EBIH9_EMIF_READ_LATENCY 0x06 +#define K4B2G1646EBIH9_EMIF_TIM1 0x0888A39B +#define K4B2G1646EBIH9_EMIF_TIM2 0x2A04011A +#define K4B2G1646EBIH9_EMIF_TIM3 0x501F820F +#define K4B2G1646EBIH9_EMIF_SDCFG 0x61C24AB2 +#define K4B2G1646EBIH9_EMIF_SDREF 0x0000093B +#define K4B2G1646EBIH9_ZQ_CFG 0x50074BE4 +#define K4B2G1646EBIH9_DLL_LOCK_DIFF 0x1 +#define K4B2G1646EBIH9_RATIO 0x40 +#define K4B2G1646EBIH9_INVERT_CLKOUT 0x1 +#define K4B2G1646EBIH9_RD_DQS 0x3B +#define K4B2G1646EBIH9_WR_DQS 0x85 +#define K4B2G1646EBIH9_PHY_FIFO_WE 0x100 +#define K4B2G1646EBIH9_PHY_WR_DATA 0xC1 +#define K4B2G1646EBIH9_IOCTRL_VALUE 0x18B + /** * Configure DMM */ -- 2.39.5