|  | /* | 
|  | * 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 |