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Add definitions for DDR2 SPD registers. 

Signed-off-by: Ed Swierk <eswierk@arastra.com>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3547 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Ed Swierk 2008-08-28 18:23:58 +00:00
parent 7eda890d9a
commit d39aad9323
1 changed files with 10 additions and 0 deletions
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10
src/include/spd.h
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@ -74,6 +74,16 @@
#define SPD_DATA_SIGNAL_INPUT_SETUP_TIME 34 /* Data signal input setup time */
#define SPD_DATA_SIGNAL_INPUT_HOLD_TIME 35 /* Data signal input hold time */
#define SPD_WRITE_RECOVERY_TIME 36 /* Write recovery time (tWR) */
#define SPD_INT_WRITE_TO_READ_DELAY 37 /* Internal write to read command delay (tWTR) */
#define SPD_INT_READ_TO_PRECHARGE_DELAY 38 /* Internal read to precharge command delay (tRTP) */
#define SPD_MEM_ANALYSIS_PROBE_PARAMS 39 /* Memory analysis probe characteristics */
#define SPD_BYTE_41_42_EXTENSION 40 /* Extension of byte 41 (tRC) and byte 42 (tRFC) */
#define SPD_MIN_ACT_TO_ACT_AUTO_REFRESH 41 /* Minimum active to active auto refresh (tRCmin) */
#define SPD_MIN_AUTO_REFRESH_TO_ACT 42 /* Minimum auto refresh to active/auto refresh (tRFC) */
#define SPD_MAX_DEVICE_CYCLE_TIME 43 /* Maximum device cycle time (tCKmax) */
#define SPD_MAX_DQS_DQ_SKEW 44 /* Maximum skew between DQS and DQ (tDQSQ) */
#define SPD_MAX_READ_DATAHOLD_SKEW 45 /* Maximum read data-hold skew factor (tQHS) */
#define SPD_PLL_RELOCK_TIME 46 /* PLL relock time */
#define SPD_SPD_DATA_REVISION_CODE 62 /* SPD data revision code */
#define SPD_CHECKSUM_FOR_BYTES_0_TO_62 63 /* Checksum for bytes 0-62 */
#define SPD_MANUFACTURER_JEDEC_ID_CODE 64 /* Manufacturer's JEDEC ID code, per EIA/JEP106 (bytes 64-71) */