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;
32 unsigned int tIS_ps; /* byte 32, spd->ca_setup */
33 unsigned int tIH_ps; /* byte 33, spd->ca_hold */
34 unsigned int tDS_ps; /* byte 34, spd->data_setup */
35 unsigned int tDH_ps; /* byte 35, spd->data_hold */
36 unsigned int tRTP_ps; /* byte 38, spd->trtp */
37 unsigned int tDQSQ_max_ps; /* byte 44, spd->tdqsq */
38 unsigned int tQHS_ps; /* byte 45, spd->tqhs */
40 unsigned int ndimms_present;
41 unsigned int lowest_common_SPD_caslat;
42 unsigned int highest_common_derated_caslat;
43 unsigned int additive_latency;
44 unsigned int all_DIMMs_burst_lengths_bitmask;
45 unsigned int all_DIMMs_registered;
46 unsigned int all_DIMMs_unbuffered;
47 unsigned int all_DIMMs_ECC_capable;
49 unsigned long long total_mem;
50 unsigned long long base_address;
51 } common_timing_params_t;