| 1 | /* |
| 2 | * Copyright 2008-2014 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 trcd_ps; |
| 18 | unsigned int trp_ps; |
| 19 | unsigned int tras_ps; |
| 20 | #if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4) |
| 21 | unsigned int taamin_ps; |
| 22 | #endif |
| 23 | |
| 24 | #ifdef CONFIG_SYS_FSL_DDR4 |
| 25 | unsigned int trfc1_ps; |
| 26 | unsigned int trfc2_ps; |
| 27 | unsigned int trfc4_ps; |
| 28 | unsigned int trrds_ps; |
| 29 | unsigned int trrdl_ps; |
| 30 | unsigned int tccdl_ps; |
| 31 | #else |
| 32 | unsigned int twtr_ps; /* maximum = 63750 ps */ |
| 33 | unsigned int trfc_ps; /* maximum = 255 ns + 256 ns + .75 ns |
| 34 | = 511750 ps */ |
| 35 | |
| 36 | unsigned int trrd_ps; /* maximum = 63750 ps */ |
| 37 | unsigned int trtp_ps; /* byte 38, spd->trtp */ |
| 38 | #endif |
| 39 | unsigned int twr_ps; /* maximum = 63750 ps */ |
| 40 | unsigned int trc_ps; /* maximum = 254 ns + .75 ns = 254750 ps */ |
| 41 | |
| 42 | unsigned int refresh_rate_ps; |
| 43 | unsigned int extended_op_srt; |
| 44 | |
| 45 | #if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2) |
| 46 | unsigned int tis_ps; /* byte 32, spd->ca_setup */ |
| 47 | unsigned int tih_ps; /* byte 33, spd->ca_hold */ |
| 48 | unsigned int tds_ps; /* byte 34, spd->data_setup */ |
| 49 | unsigned int tdh_ps; /* byte 35, spd->data_hold */ |
| 50 | unsigned int tdqsq_max_ps; /* byte 44, spd->tdqsq */ |
| 51 | unsigned int tqhs_ps; /* byte 45, spd->tqhs */ |
| 52 | #endif |
| 53 | |
| 54 | unsigned int ndimms_present; |
| 55 | unsigned int lowest_common_spd_caslat; |
| 56 | unsigned int highest_common_derated_caslat; |
| 57 | unsigned int additive_latency; |
| 58 | unsigned int all_dimms_burst_lengths_bitmask; |
| 59 | unsigned int all_dimms_registered; |
| 60 | unsigned int all_dimms_unbuffered; |
| 61 | unsigned int all_dimms_ecc_capable; |
| 62 | |
| 63 | unsigned long long total_mem; |
| 64 | unsigned long long base_address; |
| 65 | |
| 66 | /* DDR3 RDIMM */ |
| 67 | unsigned char rcw[16]; /* Register Control Word 0-15 */ |
| 68 | } common_timing_params_t; |
| 69 | |
| 70 | #endif |