diff options
Diffstat (limited to 'src/include/spd.h')
| -rw-r--r-- | src/include/spd.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/include/spd.h b/src/include/spd.h index 6703ef2845..b0c00ff094 100644 --- a/src/include/spd.h +++ b/src/include/spd.h @@ -85,6 +85,17 @@ #define SPD_INTEL_SPEC_FOR_FREQUENCY 126 /* Intel specification for frequency */ #define SPD_INTEL_SPEC_100_MHZ 127 /* Intel specification details for 100MHz support */ +/* DRAM specifications use the following naming conventions for SPD locations */ +#define SPD_tRP SPD_MIN_ROW_PRECHARGE_TIME +#define SPD_tRRD SPD_MIN_ROWACTIVE_TO_ROWACTIVE +#define SPD_tRCD SPD_MIN_RAS_TO_CAS_DELAY +#define SPD_tRAS SPD_MIN_ACTIVE_TO_PRECHARGE_DELAY +#define SPD_BANK_DENSITY SPD_DENSITY_OF_EACH_ROW_ON_MODULE +#define SPD_ADDRESS_CMD_HOLD SPD_CMD_SIGNAL_INPUT_HOLD_TIME +#define SPD_tRC 41 /* SDRAM Device Minimum Active to Active/Auto Refresh Time (tRC) */ +#define SPD_tRFC 42 /* SDRAM Device Minimum Auto Refresh to Active/Auto Refresh (tRFC) */ + + /* SPD_MEMORY_TYPE values. */ #define SPD_MEMORY_TYPE_FPM_DRAM 1 #define SPD_MEMORY_TYPE_EDO 2 |