From: Nishanth Menon Date: Sat, 7 Nov 2009 15:51:24 +0000 (-0500) Subject: OMAP3:SDRC: introduce DDR types X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=30563a04bff73fd4fbd840b846f4b6459759a839;p=project%2Fbcm63xx%2Fu-boot.git OMAP3:SDRC: introduce DDR types Micron DDR timings based on: http://www.sakoman.net/cgi-bin/gitweb.cgi?p=x-load-omap3.git;a=blob;f=include/asm/arch-omap3/mem.h;h=e6fbfe3947f5d0d85fea776e30821d4017316d86;hb=HEAD Introduce Micron DDR timings and provide CONFIG_OMAP3_INFINEON_DDR and CONFIG_OMAP3_MICRON_DDR config options to allow for platform files to setup their timings as per the type of DDR selected Reported-by: Steve Sakoman in http://www.nabble.com/forum/Permalink.jtp?root=25779518&post=25959734&page=y Signed-off-by: Nishanth Menon --- diff --git a/include/asm-arm/arch-omap3/mem.h b/include/asm-arm/arch-omap3/mem.h index 5496a618c6..9439758e4a 100644 --- a/include/asm-arm/arch-omap3/mem.h +++ b/include/asm-arm/arch-omap3/mem.h @@ -68,25 +68,78 @@ enum { * TCKE = 2 * XSR = 120/6 = 20 */ -#define TDAL_165 6 -#define TDPL_165 3 -#define TRRD_165 2 -#define TRCD_165 3 -#define TRP_165 3 -#define TRAS_165 7 -#define TRC_165 10 -#define TRFC_165 21 -#define V_ACTIMA_165 ((TRFC_165 << 27) | (TRC_165 << 22) | \ - (TRAS_165 << 18) | (TRP_165 << 15) | \ - (TRCD_165 << 12) | (TRRD_165 << 9) | \ - (TDPL_165 << 6) | (TDAL_165)) - -#define TWTR_165 1 -#define TCKE_165 1 -#define TXP_165 5 -#define XSR_165 23 -#define V_ACTIMB_165 (((TCKE_165 << 12) | (XSR_165 << 0)) | \ - (TXP_165 << 8) | (TWTR_165 << 16)) +#define INFINEON_TDAL_165 6 +#define INFINEON_TDPL_165 3 +#define INFINEON_TRRD_165 2 +#define INFINEON_TRCD_165 3 +#define INFINEON_TRP_165 3 +#define INFINEON_TRAS_165 7 +#define INFINEON_TRC_165 10 +#define INFINEON_TRFC_165 12 +#define INFINEON_V_ACTIMA_165 ((INFINEON_TRFC_165 << 27) | \ + (INFINEON_TRC_165 << 22) | (INFINEON_TRAS_165 << 18) | \ + (INFINEON_TRP_165 << 15) | (INFINEON_TRCD_165 << 12) | \ + (INFINEON_TRRD_165 << 9) | (INFINEON_TDPL_165 << 6) | \ + (INFINEON_TDAL_165)) + +#define INFINEON_TWTR_165 1 +#define INFINEON_TCKE_165 2 +#define INFINEON_TXP_165 2 +#define INFINEON_XSR_165 20 +#define INFINEON_V_ACTIMB_165 ((INFINEON_TCKE_165 << 12) | \ + (INFINEON_XSR_165 << 0) | (INFINEON_TXP_165 << 8) | \ + (INFINEON_TWTR_165 << 16)) + +/* Micron part of 3430 EVM (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 = 18/6 = 3 + * TRP = 18/6 = 3 + * TRAS = 42/6 = 7 + * TRC = 60/6 = 10 + * TRFC = 125/6 = 21 + * ACTIMB + * TWTR = 1 + * TCKE = 1 + * TXSR = 138/6 = 23 + * TXP = 25/6 = 4.1 ~5 + */ +#define MICRON_TDAL_165 6 +#define MICRON_TDPL_165 3 +#define MICRON_TRRD_165 2 +#define MICRON_TRCD_165 3 +#define MICRON_TRP_165 3 +#define MICRON_TRAS_165 7 +#define MICRON_TRC_165 10 +#define MICRON_TRFC_165 21 +#define MICRON_V_ACTIMA_165 ((MICRON_TRFC_165 << 27) | \ + (MICRON_TRC_165 << 22) | (MICRON_TRAS_165 << 18) | \ + (MICRON_TRP_165 << 15) | (MICRON_TRCD_165 << 12) | \ + (MICRON_TRRD_165 << 9) | (MICRON_TDPL_165 << 6) | \ + (MICRON_TDAL_165)) + +#define MICRON_TWTR_165 1 +#define MICRON_TCKE_165 1 +#define MICRON_XSR_165 23 +#define MICRON_TXP_165 5 +#define MICRON_V_ACTIMB_165 ((MICRON_TCKE_165 << 12) | \ + (MICRON_XSR_165 << 0) | (MICRON_TXP_165 << 8) | \ + (MICRON_TWTR_165 << 16)) + +#ifdef CONFIG_OMAP3_INFINEON_DDR +#define V_ACTIMA_165 INFINEON_V_ACTIMA_165 +#define V_ACTIMB_165 INFINEON_V_ACTIMB_165 +#endif +#ifdef CONFIG_OMAP3_MICRON_DDR +#define V_ACTIMA_165 MICRON_V_ACTIMA_165 +#define V_ACTIMB_165 MICRON_V_ACTIMB_165 +#endif + +#if !defined(V_ACTIMA_165) || !defined(V_ACTIMB_165) +#error "Please choose the right DDR type in config header" +#endif /* * GPMC settings - diff --git a/include/configs/devkit8000.h b/include/configs/devkit8000.h index bd5037e910..1011770962 100644 --- a/include/configs/devkit8000.h +++ b/include/configs/devkit8000.h @@ -66,6 +66,9 @@ /* Hardware drivers */ +/* DDR - I use Micron DDR */ +#define CONFIG_OMAP3_MICRON_DDR 1 + /* DM9000 */ #define CONFIG_NET_MULTI 1 #define CONFIG_NET_RETRY_COUNT 20 diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h index 19a5ec92ec..024b9b8334 100644 --- a/include/configs/omap3_beagle.h +++ b/include/configs/omap3_beagle.h @@ -97,6 +97,9 @@ #define CONFIG_OMAP3_MMC 1 #define CONFIG_DOS_PARTITION 1 +/* DDR - I use Micron DDR */ +#define CONFIG_OMAP3_MICRON_DDR 1 + /* commands to include */ #include diff --git a/include/configs/omap3_evm.h b/include/configs/omap3_evm.h index a5514aeb9b..6709edc863 100644 --- a/include/configs/omap3_evm.h +++ b/include/configs/omap3_evm.h @@ -101,6 +101,9 @@ #define CONFIG_OMAP3_MMC 1 #define CONFIG_DOS_PARTITION 1 +/* DDR - I use Micron DDR */ +#define CONFIG_OMAP3_MICRON_DDR 1 + /* commands to include */ #include diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h index ffb515d322..0f812a7930 100644 --- a/include/configs/omap3_overo.h +++ b/include/configs/omap3_overo.h @@ -89,6 +89,9 @@ #define CONFIG_OMAP3_MMC 1 #define CONFIG_DOS_PARTITION 1 +/* DDR - I use Micron DDR */ +#define CONFIG_OMAP3_MICRON_DDR 1 + /* commands to include */ #include diff --git a/include/configs/omap3_pandora.h b/include/configs/omap3_pandora.h index 6f21af3d13..0cafeb81c7 100644 --- a/include/configs/omap3_pandora.h +++ b/include/configs/omap3_pandora.h @@ -92,6 +92,9 @@ #define CONFIG_OMAP3_MMC 1 #define CONFIG_DOS_PARTITION 1 +/* DDR - I use Micron DDR */ +#define CONFIG_OMAP3_MICRON_DDR 1 + /* commands to include */ #include diff --git a/include/configs/omap3_sdp3430.h b/include/configs/omap3_sdp3430.h index 229dc5e644..d91c8ffa84 100644 --- a/include/configs/omap3_sdp3430.h +++ b/include/configs/omap3_sdp3430.h @@ -137,6 +137,9 @@ #define CONFIG_SYS_I2C_BUS_SELECT 1 #define CONFIG_DRIVER_OMAP34XX_I2C 1 +/* DDR - I use Infineon DDR */ +#define CONFIG_OMAP3_INFINEON_DDR 1 + /* OMITTED: single 1 Gbit MT29F1G NAND flash */ /* diff --git a/include/configs/omap3_zoom1.h b/include/configs/omap3_zoom1.h index da4b677f93..2aef973bce 100644 --- a/include/configs/omap3_zoom1.h +++ b/include/configs/omap3_zoom1.h @@ -98,6 +98,9 @@ #define CONFIG_OMAP3_MMC 1 #define CONFIG_DOS_PARTITION 1 +/* DDR - I use Micron DDR */ +#define CONFIG_OMAP3_MICRON_DDR 1 + /* commands to include */ #include diff --git a/include/configs/omap3_zoom2.h b/include/configs/omap3_zoom2.h index 32cd6fdb14..5b03fb6987 100644 --- a/include/configs/omap3_zoom2.h +++ b/include/configs/omap3_zoom2.h @@ -98,6 +98,9 @@ #define CONFIG_OMAP3_MMC 1 #define CONFIG_DOS_PARTITION 1 +/* DDR - I use Micron DDR */ +#define CONFIG_OMAP3_MICRON_DDR 1 + /* Status LED */ #define CONFIG_STATUS_LED 1 /* Status LED enabled */ #define CONFIG_BOARD_SPECIFIC_LED 1