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SPD: fix and add DDR2 SDRAM memory module types 

Correct the definitions and add 72b-SO-CDIMM and 72b-SO-RDIMM

Change-Id: I33532e30f45f6c8c0eb6d47b0bea87689d2d9a1a
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/15204
Tested-by: build bot (Jenkins)
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
This commit is contained in:
Elyes HAOUAS 2016-06-15 21:13:07 +02:00 committed by Martin Roth
parent 46bfce3353
commit c8d24dd150
2 changed files with 20 additions and 14 deletions
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20
src/include/spd.h
View File

@ -26,7 +26,8 @@
* Datasheet (alternative):
* - Name: SERIAL PRESENCE DETECT STANDARD, General Standard
* JEDEC Standard No. 21-C
* - PDF: http://www.jedec.org/download/search/4_01_02_00R9.PDF
* Annex J: Serial Presence Detects for DDR2 SDRAM (Revision 1.3):
* - PDF: http://www.jedec.org/download/search/4_01_02_10R17.pdf
*/
#ifndef _SPD_H_
@ -235,12 +236,15 @@ enum spd_memory_type {
#define RC62 62
#define RC63 63
#define SPD_UNDEFINED 0
#define SPD_RDIMM 1
#define SPD_UDIMM 2
#define SPD_SODIMM 3
#define SPD_MICRO_DIMM 4
#define SPD_MINI_RDIMM 5
#define SPD_MINI_UDIMM 6
/* Byte 20: DIMM type information */
#define SPD_UNDEFINED 0x00
#define SPD_RDIMM 0x01
#define SPD_UDIMM 0x02
#define SPD_SODIMM 0x04
#define SPD_72B_SO_CDIMM 0x06
#define SPD_72B_SO_RDIMM 0x07
#define SPD_MICRO_DIMM 0x08
#define SPD_MINI_RDIMM 0x10
#define SPD_MINI_UDIMM 0x20
#endif

14
src/include/spd_ddr2.h
View File

@ -20,12 +20,14 @@
#define SPD_MEM_TYPE_SDRAM_DDR2 0x08
#define SPD_DIMM_TYPE 20 /* x bit0 or bit4 =1 mean registered*/
#define SPD_DIMM_TYPE_RDIMM (1<<0)
#define SPD_DIMM_TYPE_UDIMM (1<<1)
#define SPD_DIMM_TYPE_SODIMM (1<<2)
#define SPD_DIMM_TYPE_uDIMM (1<<3)
#define SPD_DIMM_TYPE_mRDIMM (1<<4)
#define SPD_DIMM_TYPE_mUDIMM (1<<5)
#define SPD_DIMM_TYPE_RDIMM 0x01
#define SPD_DIMM_TYPE_UDIMM 0x02
#define SPD_DIMM_TYPE_SODIMM 0x04
#define SPD_72B_SO_CDIMM 0x06
#define SPD_72B_SO_RDIMM 0x07
#define SPD_DIMM_TYPE_uDIMM 0x08
#define SPD_DIMM_TYPE_mRDIMM 0x10
#define SPD_DIMM_TYPE_mUDIMM 0x20
#define SPD_MOD_ATTRIB 21
#define SPD_MOD_ATTRIB_DIFCK 0x20