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| author | York Sun <yorksun@freescale.com> | 2012-08-17 08:22:37 +0000 |
|---|---|---|
| committer | Andy Fleming <afleming@freescale.com> | 2012-08-23 12:16:55 -0500 |
| commit | 73b5396b25c52463aa71c782316e2d77a4b8d5ed (patch) | |
| tree | b6e82b205f1dc1a2d4a1eac37ec136cbe22822fa /include/ddr_spd.h | |
| parent | 744713a6a3ca19c77585a9452829a2e2a55693ad (diff) | |
| download | u-boot-imx-73b5396b25c52463aa71c782316e2d77a4b8d5ed.zip u-boot-imx-73b5396b25c52463aa71c782316e2d77a4b8d5ed.tar.gz u-boot-imx-73b5396b25c52463aa71c782316e2d77a4b8d5ed.tar.bz2 | |
powerpc/mpc8xxx: Add fine timing support for DDR3
When the DDR3 speed goes higher, we need to utilize fine offset
from SPD.
Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Diffstat (limited to 'include/ddr_spd.h')
| -rw-r--r-- | include/ddr_spd.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/ddr_spd.h b/include/ddr_spd.h index a9230b9..9e74d87 100644 --- a/include/ddr_spd.h +++ b/include/ddr_spd.h @@ -221,7 +221,12 @@ typedef struct ddr3_spd_eeprom_s { unsigned char therm_ref_opt; /* 31 SDRAM Thermal and Refresh Opts */ unsigned char therm_sensor; /* 32 Module Thermal Sensor */ unsigned char device_type; /* 33 SDRAM device type */ - unsigned char res_34_59[26]; /* 34-59 Reserved, General Section */ + int8_t fine_tCK_min; /* 34 Fine offset for tCKmin */ + int8_t fine_tAA_min; /* 35 Fine offset for tAAmin */ + int8_t fine_tRCD_min; /* 36 Fine offset for tRCDmin */ + int8_t fine_tRP_min; /* 37 Fine offset for tRPmin */ + int8_t fine_tRC_min; /* 38 Fine offset for tRCmin */ + unsigned char res_39_59[21]; /* 39-59 Reserved, General Section */ /* Module-Specific Section: Bytes 60-116 */ union { |