Update of /cvsroot/blob/blob/include/blob
In directory usw-pr-cvs1:/tmp/cvs-serv14789/include/blob
Added Files:
spd.h
Log Message:
defines for spd eeproms
--- NEW FILE: spd.h ---
/*
* spd.h: defines for PC SDRAM serial presence detect
*
* Copyright (C) 2001 Hewlett-Packard Company
* Written by Christopher Hoover <ch...@hp...>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*
* PC SDRAM Serial Presence Detect (SPD) Specification, Revision 1.2B
*
* http://developer.intel.com/technology/memory/pc133sdram/spec/Spdsd12b.pdf
*/
#ifndef _SPD_H_
#define _SPD_H_
#define SPD_I2C_ADDR(a) (0x50 | (a))
#define SPD_SPD_MANUF_BYTES 0
#define SPD_SPD_TOTAL_BYTES 1
#define SPD_MEMORY_TYPE 2
# define SPD_MEMORY_TYPE_EDO 2
# define SPD_MEMORY_TYPE_SDRAM 4
#define SPD_ROW_BITS 3
#define SPD_COL_BITS 4
#define SPD_MODULE_ROWS 5
#define SPD_DATA_WIDTH 6
#define SPD_DATA_WIDTH_L 6
#define SPD_DATA_WIDTH_H 7
#define SPD_VOLTAGE_INTERFACE 8
#define SPD_CYCLE_TIME 9
#define SPD_ACCESS_TIME 10
#define SPD_MODULE_TYPE 11
#define SPD_REFRESH_RATE_TYPE 12
#define SPD_PRIMARY_SDRAM_WIDTH 13
#define SPD_MIN_CLOCK_B2B_RAND_COL 15
#define SPD_BURST_LENGTHS 16
#define SPD_NUMBER_OF_BANKS_SDRAM 17
#define SPD_CAS_LATENCY 18
#define SPD_CS_LATENCY 19
#define SPD_WE_LATENCY 20
#define SPD_MODULE_ATTRIBS 21
#define SPD_DEVICE_ATTRIBS 22
#define SPD_CYCLE_TIME_CL_X_1 23
#define SPD_ACCESS_TIME_CL_X_1 24
#define SPD_CYCLE_TIME_CL_X_2 25
#define SPD_ACCESS_TIME_CL_X_2 26
#define SPD_TRP 27
#define SPD_TRRD 28
#define SPD_TRCD 29
#define SPD_TRAS 30
#define SPD_ROW_DENSITY 31
#define SPD_CMD_ADDR_SETUP_TIME 32
#define SPD_CMD_ADDR_HOLD_TIME 33
#define SPD_DATA_SETUP_TIME 34
#define SPD_DATA_HOLD_TIME 35
#define SPD_DATA_REVISION 62
#define SPD_CHECKSUM 63
#define SPD_MANUF_JDEC_ID 64
#define SPD_MANUF_LOCATION 72
#define SPD_MANUF_PART_NUMBER 73
#define SPD_REVISION_CODE 91
#define SPD_MANUF_DATE 93
#define SPD_SERIAL_NUMBER 95
#define SPD_MANUF_SPECIFIC_DATA 99
#define SPD_INTEL_SPEC_FREQ 126
#define SPD_INTEL_SPEC_CAS_LATENCY 127
#endif
|
