1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _MEM_SPD_H 28*0Sstevel@tonic-gate #define _MEM_SPD_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate /* 33*0Sstevel@tonic-gate * Layout of SPD-format data, as per PICL. 34*0Sstevel@tonic-gate */ 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #include <sys/types.h> 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate #ifdef __cplusplus 39*0Sstevel@tonic-gate extern "C" { 40*0Sstevel@tonic-gate #endif 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate typedef struct spd_data { 43*0Sstevel@tonic-gate uint8_t spd_len; /* bytes written by manufacturer */ 44*0Sstevel@tonic-gate uint8_t spd_max_len; /* total available prom space */ 45*0Sstevel@tonic-gate uint8_t memory_type; /* e.g. SDRAM DDR = 0x07 */ 46*0Sstevel@tonic-gate uint8_t n_rows; /* row address bits */ 47*0Sstevel@tonic-gate uint8_t n_cols; /* column address bits */ 48*0Sstevel@tonic-gate uint8_t n_mod_rows; /* number of module rows */ 49*0Sstevel@tonic-gate uint8_t ls_data_width; /* e.g. 72 bits */ 50*0Sstevel@tonic-gate uint8_t ms_data_width; 51*0Sstevel@tonic-gate uint8_t vddq_if; /* e.g. SSTL 2.5V = 0x04 */ 52*0Sstevel@tonic-gate uint8_t cycle_time25; /* cycle time at CAS latency 2.5 */ 53*0Sstevel@tonic-gate uint8_t access_time25; 54*0Sstevel@tonic-gate uint8_t config; /* e.g. ECC = 0x02 */ 55*0Sstevel@tonic-gate uint8_t refresh; /* e.g. 7.8uS & self refresh = 0x82 */ 56*0Sstevel@tonic-gate uint8_t primary_width; 57*0Sstevel@tonic-gate uint8_t err_chk_width; 58*0Sstevel@tonic-gate uint8_t tCCD; 59*0Sstevel@tonic-gate uint8_t burst_lengths; /* e.g. 2,4,8 = 0x0e */ 60*0Sstevel@tonic-gate uint8_t n_banks; 61*0Sstevel@tonic-gate uint8_t cas_lat; 62*0Sstevel@tonic-gate uint8_t cs_lat; 63*0Sstevel@tonic-gate uint8_t we_lat; 64*0Sstevel@tonic-gate uint8_t mod_attrs; 65*0Sstevel@tonic-gate uint8_t dev_attrs; 66*0Sstevel@tonic-gate uint8_t cycle_time20; /* cycle time at CAS latency 2.0 */ 67*0Sstevel@tonic-gate uint8_t access_time20; 68*0Sstevel@tonic-gate uint8_t cycle_time15; 69*0Sstevel@tonic-gate uint8_t access_time15; 70*0Sstevel@tonic-gate uint8_t tRP; 71*0Sstevel@tonic-gate uint8_t tRRD; 72*0Sstevel@tonic-gate uint8_t tRCD; 73*0Sstevel@tonic-gate uint8_t tRAS; 74*0Sstevel@tonic-gate uint8_t mod_row_density; 75*0Sstevel@tonic-gate uint8_t addr_ip_setup; 76*0Sstevel@tonic-gate uint8_t addr_ip_hold; 77*0Sstevel@tonic-gate uint8_t data_ip_setup; 78*0Sstevel@tonic-gate uint8_t data_ip_hold; 79*0Sstevel@tonic-gate uint8_t superset[62 - 36]; 80*0Sstevel@tonic-gate uint8_t spd_rev; 81*0Sstevel@tonic-gate uint8_t chksum_0_62; 82*0Sstevel@tonic-gate uint8_t jedec[8]; 83*0Sstevel@tonic-gate uint8_t manu_loc; 84*0Sstevel@tonic-gate uint8_t manu_part_no[91 - 73]; 85*0Sstevel@tonic-gate uint8_t manu_rev_pcb; 86*0Sstevel@tonic-gate uint8_t manu_rev_comp; 87*0Sstevel@tonic-gate uint8_t manu_year; 88*0Sstevel@tonic-gate uint8_t manu_week; 89*0Sstevel@tonic-gate uint8_t asmb_serial_no[4]; 90*0Sstevel@tonic-gate uint8_t manu_specific[128 - 99]; 91*0Sstevel@tonic-gate } spd_data_t; 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate #ifdef __cplusplus 94*0Sstevel@tonic-gate } 95*0Sstevel@tonic-gate #endif 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate #endif /* _MEM_SPD_H */ 98