| /* |
| * Copyright 2008-2014 Freescale Semiconductor, Inc. |
| * |
| * SPDX-License-Identifier: GPL-2.0 |
| */ |
| |
| #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 trcd_ps; |
| unsigned int trp_ps; |
| unsigned int tras_ps; |
| #if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4) |
| unsigned int taamin_ps; |
| #endif |
| |
| #ifdef CONFIG_SYS_FSL_DDR4 |
| unsigned int trfc1_ps; |
| unsigned int trfc2_ps; |
| unsigned int trfc4_ps; |
| unsigned int trrds_ps; |
| unsigned int trrdl_ps; |
| unsigned int tccdl_ps; |
| #else |
| 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 trtp_ps; /* byte 38, spd->trtp */ |
| #endif |
| unsigned int twr_ps; /* maximum = 63750 ps */ |
| unsigned int trc_ps; /* maximum = 254 ns + .75 ns = 254750 ps */ |
| |
| unsigned int refresh_rate_ps; |
| unsigned int extended_op_srt; |
| |
| #if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2) |
| 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 tdqsq_max_ps; /* byte 44, spd->tdqsq */ |
| unsigned int tqhs_ps; /* byte 45, spd->tqhs */ |
| #endif |
| |
| 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; |
| |
| /* DDR3 RDIMM */ |
| unsigned char rcw[16]; /* Register Control Word 0-15 */ |
| } common_timing_params_t; |
| |
| #endif |