| Kumar Gala | 124b082 | 2008-08-26 15:01:29 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2008 Freescale Semiconductor, Inc. |
| 3 | * |
| 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. |
| 7 | */ |
| 8 | |
| 9 | #ifndef COMMON_TIMING_PARAMS_H |
| 10 | #define COMMON_TIMING_PARAMS_H |
| 11 | |
| 12 | typedef struct { |
| 13 | /* parameters to constrict */ |
| 14 | |
| 15 | unsigned int tCKmin_X_ps; |
| 16 | unsigned int tCKmax_ps; |
| 17 | unsigned int tCKmax_max_ps; |
| 18 | unsigned int tRCD_ps; |
| 19 | unsigned int tRP_ps; |
| 20 | unsigned int tRAS_ps; |
| 21 | |
| 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 |
| 25 | = 511750 ps */ |
| 26 | |
| 27 | unsigned int tRRD_ps; /* maximum = 63750 ps */ |
| 28 | unsigned int tRC_ps; /* maximum = 254 ns + .75 ns = 254750 ps */ |
| 29 | |
| 30 | unsigned int refresh_rate_ps; |
| 31 | |
| 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 */ |
| 39 | |
| 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; |
| 48 | |
| 49 | unsigned long long total_mem; |
| 50 | unsigned long long base_address; |
| 51 | } common_timing_params_t; |
| 52 | |
| 53 | #endif |