2 * Copyright 2008 Freescale Semiconductor, Inc.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * Version 2 as published by the Free Software Foundation.
9 #ifndef COMMON_TIMING_PARAMS_H
10 #define COMMON_TIMING_PARAMS_H
13 /* parameters to constrict */
15 unsigned int tckmin_x_ps;
16 unsigned int tckmax_ps;
17 unsigned int tckmax_max_ps;
22 unsigned int twr_ps; /* maximum = 63750 ps */
23 unsigned int twtr_ps; /* maximum = 63750 ps */
24 unsigned int trfc_ps; /* maximum = 255 ns + 256 ns + .75 ns
27 unsigned int trrd_ps; /* maximum = 63750 ps */
28 unsigned int trc_ps; /* maximum = 254 ns + .75 ns = 254750 ps */
30 unsigned int refresh_rate_ps;
31 unsigned int extended_op_srt;
33 unsigned int tis_ps; /* byte 32, spd->ca_setup */
34 unsigned int tih_ps; /* byte 33, spd->ca_hold */
35 unsigned int tds_ps; /* byte 34, spd->data_setup */
36 unsigned int tdh_ps; /* byte 35, spd->data_hold */
37 unsigned int trtp_ps; /* byte 38, spd->trtp */
38 unsigned int tdqsq_max_ps; /* byte 44, spd->tdqsq */
39 unsigned int tqhs_ps; /* byte 45, spd->tqhs */
41 unsigned int ndimms_present;
42 unsigned int lowest_common_SPD_caslat;
43 unsigned int highest_common_derated_caslat;
44 unsigned int additive_latency;
45 unsigned int all_dimms_burst_lengths_bitmask;
46 unsigned int all_dimms_registered;
47 unsigned int all_dimms_unbuffered;
48 unsigned int all_dimms_ecc_capable;
50 unsigned long long total_mem;
51 unsigned long long base_address;
54 unsigned char rcw[16]; /* Register Control Word 0-15 */
55 } common_timing_params_t;