/* * Copyright 2008 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * Version 2 as published by the Free Software Foundation. */ #ifndef COMMON_TIMING_PARAMS_H #define COMMON_TIMING_PARAMS_H typedef struct { /* parameters to constrict */ unsigned int tCKmin_X_ps; unsigned int tCKmax_ps; unsigned int tCKmax_max_ps; unsigned int tRCD_ps; unsigned int tRP_ps; unsigned int tRAS_ps; unsigned int tWR_ps; /* maximum = 63750 ps */ unsigned int tWTR_ps; /* maximum = 63750 ps */ unsigned int tRFC_ps; /* maximum = 255 ns + 256 ns + .75 ns = 511750 ps */ unsigned int tRRD_ps; /* maximum = 63750 ps */ unsigned int tRC_ps; /* maximum = 254 ns + .75 ns = 254750 ps */ unsigned int refresh_rate_ps; unsigned int tIS_ps; /* byte 32, spd->ca_setup */ unsigned int tIH_ps; /* byte 33, spd->ca_hold */ unsigned int tDS_ps; /* byte 34, spd->data_setup */ unsigned int tDH_ps; /* byte 35, spd->data_hold */ unsigned int tRTP_ps; /* byte 38, spd->trtp */ unsigned int tDQSQ_max_ps; /* byte 44, spd->tdqsq */ unsigned int tQHS_ps; /* byte 45, spd->tqhs */ unsigned int ndimms_present; unsigned int lowest_common_SPD_caslat; unsigned int highest_common_derated_caslat; unsigned int additive_latency; unsigned int all_DIMMs_burst_lengths_bitmask; unsigned int all_DIMMs_registered; unsigned int all_DIMMs_unbuffered; unsigned int all_DIMMs_ECC_capable; unsigned long long total_mem; unsigned long long base_address; } common_timing_params_t; #endif