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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 |