1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #ifndef _SPD_DATA_H 28*7c478bd9Sstevel@tonic-gate #define _SPD_DATA_H 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 31*7c478bd9Sstevel@tonic-gate extern "C" { 32*7c478bd9Sstevel@tonic-gate #endif 33*7c478bd9Sstevel@tonic-gate 34*7c478bd9Sstevel@tonic-gate #include <stddef.h> 35*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 36*7c478bd9Sstevel@tonic-gate 37*7c478bd9Sstevel@tonic-gate size_t get_sp_sec_hdr(void *sec_hdr, size_t sec_hdr_len); 38*7c478bd9Sstevel@tonic-gate size_t get_sp_seg_hdr(void *seg_hdr, size_t seg_hdr_len); 39*7c478bd9Sstevel@tonic-gate int get_spd_data(int fd, char *spd_data, size_t ctr_len, off_t ctr_offset); 40*7c478bd9Sstevel@tonic-gate int cvrt_dim_data(const char *spd_data, size_t spd_data_len, 41*7c478bd9Sstevel@tonic-gate uchar_t **sp_seg_ptr, size_t *sp_seg_len); 42*7c478bd9Sstevel@tonic-gate 43*7c478bd9Sstevel@tonic-gate enum spd_memtype { 44*7c478bd9Sstevel@tonic-gate SPDMEM_RESERVED = 0, 45*7c478bd9Sstevel@tonic-gate SPDMEM_FPM_DRAM, 46*7c478bd9Sstevel@tonic-gate SPDMEM_EDO, 47*7c478bd9Sstevel@tonic-gate SPDMEM_PIPE, 48*7c478bd9Sstevel@tonic-gate SPDMEM_SDRAM, 49*7c478bd9Sstevel@tonic-gate SPDMEM_ROM, 50*7c478bd9Sstevel@tonic-gate SPDMEM_SGRAM_DDR, 51*7c478bd9Sstevel@tonic-gate SPDMEM_SDRAM_DDR, 52*7c478bd9Sstevel@tonic-gate SPDMEM_DDR2_SDRAM 53*7c478bd9Sstevel@tonic-gate }; 54*7c478bd9Sstevel@tonic-gate 55*7c478bd9Sstevel@tonic-gate typedef struct { 56*7c478bd9Sstevel@tonic-gate uchar_t spd_len; /* bytes written by manufacturer */ 57*7c478bd9Sstevel@tonic-gate uchar_t spd_max_len; /* total available prom space */ 58*7c478bd9Sstevel@tonic-gate uchar_t memory_type; /* e.g. SDRAM DDR = 0x07 */ 59*7c478bd9Sstevel@tonic-gate uchar_t n_rows; /* row address bits */ 60*7c478bd9Sstevel@tonic-gate uchar_t n_cols; /* column address bits */ 61*7c478bd9Sstevel@tonic-gate uchar_t n_mod_rows; /* number of module rows */ 62*7c478bd9Sstevel@tonic-gate uchar_t ls_data_width; /* e.g. 72 bits */ 63*7c478bd9Sstevel@tonic-gate uchar_t ms_data_width; 64*7c478bd9Sstevel@tonic-gate uchar_t vddq_if; /* e.g. SSTL 2.5V = 0x04 */ 65*7c478bd9Sstevel@tonic-gate uchar_t cycle_time25; /* cycle time at CAS latency 2.5 */ 66*7c478bd9Sstevel@tonic-gate uchar_t access_time25; 67*7c478bd9Sstevel@tonic-gate uchar_t config; /* e.g. ECC = 0x02 */ 68*7c478bd9Sstevel@tonic-gate uchar_t refresh; /* e.g. 7.8uS & self refresh = 0x82 */ 69*7c478bd9Sstevel@tonic-gate uchar_t primary_width; 70*7c478bd9Sstevel@tonic-gate uchar_t err_chk_width; 71*7c478bd9Sstevel@tonic-gate uchar_t tCCD; 72*7c478bd9Sstevel@tonic-gate uchar_t burst_lengths; /* e.g. 2,4,8 = 0x0e */ 73*7c478bd9Sstevel@tonic-gate uchar_t n_banks; 74*7c478bd9Sstevel@tonic-gate uchar_t cas_lat; 75*7c478bd9Sstevel@tonic-gate uchar_t cs_lat; 76*7c478bd9Sstevel@tonic-gate uchar_t we_lat; 77*7c478bd9Sstevel@tonic-gate uchar_t mod_attrs; 78*7c478bd9Sstevel@tonic-gate uchar_t dev_attrs; 79*7c478bd9Sstevel@tonic-gate uchar_t cycle_time20; /* cycle time at CAS latency 2.0 */ 80*7c478bd9Sstevel@tonic-gate uchar_t access_time20; 81*7c478bd9Sstevel@tonic-gate uchar_t cycle_time15; 82*7c478bd9Sstevel@tonic-gate uchar_t access_time15; 83*7c478bd9Sstevel@tonic-gate uchar_t tRP; 84*7c478bd9Sstevel@tonic-gate uchar_t tRRD; 85*7c478bd9Sstevel@tonic-gate uchar_t tRCD; 86*7c478bd9Sstevel@tonic-gate uchar_t tRAS; 87*7c478bd9Sstevel@tonic-gate uchar_t mod_row_density; 88*7c478bd9Sstevel@tonic-gate uchar_t addr_ip_setup; 89*7c478bd9Sstevel@tonic-gate uchar_t addr_ip_hold; 90*7c478bd9Sstevel@tonic-gate uchar_t data_ip_setup; 91*7c478bd9Sstevel@tonic-gate uchar_t data_ip_hold; 92*7c478bd9Sstevel@tonic-gate uchar_t superset[62 - 36]; 93*7c478bd9Sstevel@tonic-gate uchar_t spd_rev; 94*7c478bd9Sstevel@tonic-gate uchar_t chksum_0_62; 95*7c478bd9Sstevel@tonic-gate uchar_t jedec[8]; 96*7c478bd9Sstevel@tonic-gate uchar_t manu_loc; 97*7c478bd9Sstevel@tonic-gate uchar_t manu_part_no[91 - 73]; 98*7c478bd9Sstevel@tonic-gate uchar_t manu_rev_pcb; 99*7c478bd9Sstevel@tonic-gate uchar_t manu_rev_comp; 100*7c478bd9Sstevel@tonic-gate uchar_t manu_year; 101*7c478bd9Sstevel@tonic-gate uchar_t manu_week; 102*7c478bd9Sstevel@tonic-gate uchar_t asmb_serial_no[4]; 103*7c478bd9Sstevel@tonic-gate uchar_t manu_specific[128 - 99]; 104*7c478bd9Sstevel@tonic-gate } spd_data_t; 105*7c478bd9Sstevel@tonic-gate 106*7c478bd9Sstevel@tonic-gate /* 107*7c478bd9Sstevel@tonic-gate * sample section and SP segment headers 108*7c478bd9Sstevel@tonic-gate */ 109*7c478bd9Sstevel@tonic-gate #define SP_SEC_HDR \ 110*7c478bd9Sstevel@tonic-gate { 0x08, 0x00, 0x01, 0x00, 0x33, 0x01 } 111*7c478bd9Sstevel@tonic-gate 112*7c478bd9Sstevel@tonic-gate #define SP_SEG_HDR \ 113*7c478bd9Sstevel@tonic-gate { 'S', 'P', 0x00, 0x00, 0x41, 0xb6, 0x00, 0x00, 0x00, 0x8d } 114*7c478bd9Sstevel@tonic-gate 115*7c478bd9Sstevel@tonic-gate /* 116*7c478bd9Sstevel@tonic-gate * sample SP segment 117*7c478bd9Sstevel@tonic-gate */ 118*7c478bd9Sstevel@tonic-gate #define SP_DATA { \ 119*7c478bd9Sstevel@tonic-gate 0xc1, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 120*7c478bd9Sstevel@tonic-gate 0x00, 0x00, 0xf0, 0x00, 0xfb, 0x00, 0x00, 0x00, \ 121*7c478bd9Sstevel@tonic-gate 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ 122*7c478bd9Sstevel@tonic-gate 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ 123*7c478bd9Sstevel@tonic-gate 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ 124*7c478bd9Sstevel@tonic-gate 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ 125*7c478bd9Sstevel@tonic-gate 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ 126*7c478bd9Sstevel@tonic-gate 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ 127*7c478bd9Sstevel@tonic-gate 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ 128*7c478bd9Sstevel@tonic-gate 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 129*7c478bd9Sstevel@tonic-gate 0x0c, 0x00, 0x00, 0x00, 0x00 } 130*7c478bd9Sstevel@tonic-gate 131*7c478bd9Sstevel@tonic-gate /* 132*7c478bd9Sstevel@tonic-gate * offsets of records in SP_DATA 133*7c478bd9Sstevel@tonic-gate */ 134*7c478bd9Sstevel@tonic-gate #define DIMM_CAP_OFF 2 135*7c478bd9Sstevel@tonic-gate #define SPD_R_OFF 13 136*7c478bd9Sstevel@tonic-gate 137*7c478bd9Sstevel@tonic-gate /* 138*7c478bd9Sstevel@tonic-gate * offsets of certain fields within SPD-R record 139*7c478bd9Sstevel@tonic-gate */ 140*7c478bd9Sstevel@tonic-gate #define DATA_WIDTH 6 141*7c478bd9Sstevel@tonic-gate #define MANUF_ID 64 142*7c478bd9Sstevel@tonic-gate #define MANUF_LOC 66 143*7c478bd9Sstevel@tonic-gate #define MANUF_YEAR 87 144*7c478bd9Sstevel@tonic-gate #define MANUF_WEEK 89 145*7c478bd9Sstevel@tonic-gate /* length of complete SPD-R record */ 146*7c478bd9Sstevel@tonic-gate #define SPD_R_LEN 123 147*7c478bd9Sstevel@tonic-gate 148*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 149*7c478bd9Sstevel@tonic-gate } 150*7c478bd9Sstevel@tonic-gate #endif 151*7c478bd9Sstevel@tonic-gate 152*7c478bd9Sstevel@tonic-gate #endif /* _SPD_DATA_H */ 153