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add some SPD values from specs. (trivial) 

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3449 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer 2008-08-01 11:40:16 +00:00 committed by Stefan Reinauer
parent a91e0fe441
commit 951c62f074
1 changed files with 6 additions and 0 deletions
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6
src/include/spd.h
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@ -73,6 +73,7 @@
#define SPD_CMD_SIGNAL_INPUT_HOLD_TIME 33 /* Command and address signal input hold time */
#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_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) */
@ -129,6 +130,11 @@
#define SPD_CAS_LATENCY_3_5 0x20
#define SPD_CAS_LATENCY_4_0 0x40
#define SPD_CAS_LATENCY_DDR2_3 (1 << 3)
#define SPD_CAS_LATENCY_DDR2_4 (1 << 4)
#define SPD_CAS_LATENCY_DDR2_5 (1 << 5)
#define SPD_CAS_LATENCY_DDR2_6 (1 << 6)
/* SPD_SUPPORTED_BURST_LENGTHS values. */
#define SPD_BURST_LENGTH_1 1
#define SPD_BURST_LENGTH_2 2