uboot/include/common_timing_params.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Copyright 2008-2014 Freescale Semiconductor, Inc.
   4 */
   5
   6#ifndef COMMON_TIMING_PARAMS_H
   7#define COMMON_TIMING_PARAMS_H
   8
   9typedef struct {
  10        /* parameters to constrict */
  11
  12        unsigned int tckmin_x_ps;
  13        unsigned int tckmax_ps;
  14        unsigned int trcd_ps;
  15        unsigned int trp_ps;
  16        unsigned int tras_ps;
  17#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
  18        unsigned int taamin_ps;
  19#endif
  20
  21#ifdef CONFIG_SYS_FSL_DDR4
  22        unsigned int trfc1_ps;
  23        unsigned int trfc2_ps;
  24        unsigned int trfc4_ps;
  25        unsigned int trrds_ps;
  26        unsigned int trrdl_ps;
  27        unsigned int tccdl_ps;
  28        unsigned int trfc_slr_ps;
  29#else
  30        unsigned int twtr_ps;   /* maximum = 63750 ps */
  31        unsigned int trfc_ps;   /* maximum = 255 ns + 256 ns + .75 ns
  32                                           = 511750 ps */
  33
  34        unsigned int trrd_ps;   /* maximum = 63750 ps */
  35        unsigned int trtp_ps;   /* byte 38, spd->trtp */
  36#endif
  37        unsigned int twr_ps;    /* maximum = 63750 ps */
  38        unsigned int trc_ps;    /* maximum = 254 ns + .75 ns = 254750 ps */
  39
  40        unsigned int refresh_rate_ps;
  41        unsigned int extended_op_srt;
  42
  43#if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
  44        unsigned int tis_ps;    /* byte 32, spd->ca_setup */
  45        unsigned int tih_ps;    /* byte 33, spd->ca_hold */
  46        unsigned int tds_ps;    /* byte 34, spd->data_setup */
  47        unsigned int tdh_ps;    /* byte 35, spd->data_hold */
  48        unsigned int tdqsq_max_ps;      /* byte 44, spd->tdqsq */
  49        unsigned int tqhs_ps;   /* byte 45, spd->tqhs */
  50#endif
  51
  52        unsigned int ndimms_present;
  53        unsigned int lowest_common_spd_caslat;
  54        unsigned int highest_common_derated_caslat;
  55        unsigned int additive_latency;
  56        unsigned int all_dimms_burst_lengths_bitmask;
  57        unsigned int all_dimms_registered;
  58        unsigned int all_dimms_unbuffered;
  59        unsigned int all_dimms_ecc_capable;
  60
  61        unsigned long long total_mem;
  62        unsigned long long base_address;
  63
  64        /* DDR3 RDIMM */
  65        unsigned char rcw[16];  /* Register Control Word 0-15 */
  66} common_timing_params_t;
  67
  68#endif
  69