include/fsl_ddr_sdram.h

   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 FSL_DDR_MEMCTL_H
  10 #define FSL_DDR_MEMCTL_H
  11
  12 /*
  13  * Pick a basic DDR Technology.
  14  */
  15 #include <ddr_spd.h>
  16 #include <fsl_ddrc_version.h>
  17
  18 #define SDRAM_TYPE_DDR1         2
  19 #define SDRAM_TYPE_DDR2         3
  20 #define SDRAM_TYPE_LPDDR1       6
  21 #define SDRAM_TYPE_DDR3         7
  22 #define SDRAM_TYPE_DDR4         5
  23
  24 #define DDR_BL4         4       /* burst length 4 */
  25 #define DDR_BC4         DDR_BL4 /* burst chop for ddr3 */
  26 #define DDR_OTF         6       /* on-the-fly BC4 and BL8 */
  27 #define DDR_BL8         8       /* burst length 8 */
  28
  29 #define DDR3_RTT_OFF            0
  30 #define DDR3_RTT_60_OHM         1 /* RTT_Nom = RZQ/4 */
  31 #define DDR3_RTT_120_OHM        2 /* RTT_Nom = RZQ/2 */
  32 #define DDR3_RTT_40_OHM         3 /* RTT_Nom = RZQ/6 */
  33 #define DDR3_RTT_20_OHM         4 /* RTT_Nom = RZQ/12 */
  34 #define DDR3_RTT_30_OHM         5 /* RTT_Nom = RZQ/8 */
  35
  36 #define DDR2_RTT_OFF            0
  37 #define DDR2_RTT_75_OHM         1
  38 #define DDR2_RTT_150_OHM        2
  39 #define DDR2_RTT_50_OHM         3
  40
  41 #if defined(CONFIG_SYS_FSL_DDR1)
  42 #define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR        (1)
  43 typedef ddr1_spd_eeprom_t generic_spd_eeprom_t;
  44 #ifndef CONFIG_FSL_SDRAM_TYPE
  45 #define CONFIG_FSL_SDRAM_TYPE   SDRAM_TYPE_DDR1
  46 #endif
  47 #elif defined(CONFIG_SYS_FSL_DDR2)
  48 #define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR        (3)
  49 typedef ddr2_spd_eeprom_t generic_spd_eeprom_t;
  50 #ifndef CONFIG_FSL_SDRAM_TYPE
  51 #define CONFIG_FSL_SDRAM_TYPE   SDRAM_TYPE_DDR2
  52 #endif
  53 #elif defined(CONFIG_SYS_FSL_DDR3)
  54 typedef ddr3_spd_eeprom_t generic_spd_eeprom_t;
  55 #ifndef CONFIG_FSL_SDRAM_TYPE
  56 #define CONFIG_FSL_SDRAM_TYPE   SDRAM_TYPE_DDR3
  57 #endif
  58 #elif defined(CONFIG_SYS_FSL_DDR4)
  59 #define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR        (3)     /* FIXME */
  60 typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t;
  61 #ifndef CONFIG_FSL_SDRAM_TYPE
  62 #define CONFIG_FSL_SDRAM_TYPE   SDRAM_TYPE_DDR4
  63 #endif
  64 #endif  /* #if defined(CONFIG_SYS_FSL_DDR1) */
  65
  66 #define FSL_DDR_ODT_NEVER               0x0
  67 #define FSL_DDR_ODT_CS                  0x1
  68 #define FSL_DDR_ODT_ALL_OTHER_CS        0x2
  69 #define FSL_DDR_ODT_OTHER_DIMM          0x3
  70 #define FSL_DDR_ODT_ALL                 0x4
  71 #define FSL_DDR_ODT_SAME_DIMM           0x5
  72 #define FSL_DDR_ODT_CS_AND_OTHER_DIMM   0x6
  73 #define FSL_DDR_ODT_OTHER_CS_ONSAMEDIMM 0x7
  74
  75 /* define bank(chip select) interleaving mode */
  76 #define FSL_DDR_CS0_CS1                 0x40
  77 #define FSL_DDR_CS2_CS3                 0x20
  78 #define FSL_DDR_CS0_CS1_AND_CS2_CS3     (FSL_DDR_CS0_CS1 | FSL_DDR_CS2_CS3)
  79 #define FSL_DDR_CS0_CS1_CS2_CS3         (FSL_DDR_CS0_CS1_AND_CS2_CS3 | 0x04)
  80
  81 /* define memory controller interleaving mode */
  82 #define FSL_DDR_CACHE_LINE_INTERLEAVING 0x0
  83 #define FSL_DDR_PAGE_INTERLEAVING       0x1
  84 #define FSL_DDR_BANK_INTERLEAVING       0x2
  85 #define FSL_DDR_SUPERBANK_INTERLEAVING  0x3
  86 #define FSL_DDR_256B_INTERLEAVING       0x8
  87 #define FSL_DDR_3WAY_1KB_INTERLEAVING   0xA
  88 #define FSL_DDR_3WAY_4KB_INTERLEAVING   0xC
  89 #define FSL_DDR_3WAY_8KB_INTERLEAVING   0xD
  90 /* placeholder for 4-way interleaving */
  91 #define FSL_DDR_4WAY_1KB_INTERLEAVING   0x1A
  92 #define FSL_DDR_4WAY_4KB_INTERLEAVING   0x1C
  93 #define FSL_DDR_4WAY_8KB_INTERLEAVING   0x1D
  94
  95 #define SDRAM_CS_CONFIG_EN              0x80000000
  96
  97 /* DDR_SDRAM_CFG - DDR SDRAM Control Configuration
  98  */
  99 #define SDRAM_CFG_MEM_EN                0x80000000
 100 #define SDRAM_CFG_SREN                  0x40000000
 101 #define SDRAM_CFG_ECC_EN                0x20000000
 102 #define SDRAM_CFG_RD_EN                 0x10000000
 103 #define SDRAM_CFG_SDRAM_TYPE_DDR1       0x02000000
 104 #define SDRAM_CFG_SDRAM_TYPE_DDR2       0x03000000
 105 #define SDRAM_CFG_SDRAM_TYPE_MASK       0x07000000
 106 #define SDRAM_CFG_SDRAM_TYPE_SHIFT      24
 107 #define SDRAM_CFG_DYN_PWR               0x00200000
 108 #define SDRAM_CFG_DBW_MASK              0x00180000
 109 #define SDRAM_CFG_DBW_SHIFT             19
 110 #define SDRAM_CFG_32_BE                 0x00080000
 111 #define SDRAM_CFG_16_BE                 0x00100000
 112 #define SDRAM_CFG_8_BE                  0x00040000
 113 #define SDRAM_CFG_NCAP                  0x00020000
 114 #define SDRAM_CFG_2T_EN                 0x00008000
 115 #define SDRAM_CFG_BI                    0x00000001
 116
 117 #define SDRAM_CFG2_D_INIT               0x00000010
 118 #define SDRAM_CFG2_ODT_CFG_MASK         0x00600000
 119 #define SDRAM_CFG2_ODT_NEVER            0
 120 #define SDRAM_CFG2_ODT_ONLY_WRITE       1
 121 #define SDRAM_CFG2_ODT_ONLY_READ        2
 122 #define SDRAM_CFG2_ODT_ALWAYS           3
 123
 124 #define TIMING_CFG_2_CPO_MASK   0x0F800000
 125
 126 #if defined(CONFIG_SYS_FSL_DDR_VER) && \
 127         (CONFIG_SYS_FSL_DDR_VER > FSL_DDR_VER_4_4)
 128 #define RD_TO_PRE_MASK          0xf
 129 #define RD_TO_PRE_SHIFT         13
 130 #define WR_DATA_DELAY_MASK      0xf
 131 #define WR_DATA_DELAY_SHIFT     9
 132 #else
 133 #define RD_TO_PRE_MASK          0x7
 134 #define RD_TO_PRE_SHIFT         13
 135 #define WR_DATA_DELAY_MASK      0x7
 136 #define WR_DATA_DELAY_SHIFT     10
 137 #endif
 138
 139 /* DDR_MD_CNTL */
 140 #define MD_CNTL_MD_EN           0x80000000
 141 #define MD_CNTL_CS_SEL_CS0      0x00000000
 142 #define MD_CNTL_CS_SEL_CS1      0x10000000
 143 #define MD_CNTL_CS_SEL_CS2      0x20000000
 144 #define MD_CNTL_CS_SEL_CS3      0x30000000
 145 #define MD_CNTL_CS_SEL_CS0_CS1  0x40000000
 146 #define MD_CNTL_CS_SEL_CS2_CS3  0x50000000
 147 #define MD_CNTL_MD_SEL_MR       0x00000000
 148 #define MD_CNTL_MD_SEL_EMR      0x01000000
 149 #define MD_CNTL_MD_SEL_EMR2     0x02000000
 150 #define MD_CNTL_MD_SEL_EMR3     0x03000000
 151 #define MD_CNTL_SET_REF         0x00800000
 152 #define MD_CNTL_SET_PRE         0x00400000
 153 #define MD_CNTL_CKE_CNTL_LOW    0x00100000
 154 #define MD_CNTL_CKE_CNTL_HIGH   0x00200000
 155 #define MD_CNTL_WRCW            0x00080000
 156 #define MD_CNTL_MD_VALUE(x)     (x & 0x0000FFFF)
 157
 158 /* DDR_CDR1 */
 159 #define DDR_CDR1_DHC_EN 0x80000000
 160 #define DDR_CDR1_ODT_SHIFT      17
 161 #define DDR_CDR1_ODT_MASK       0x6
 162 #define DDR_CDR2_ODT_MASK       0x1
 163 #define DDR_CDR1_ODT(x) ((x & DDR_CDR1_ODT_MASK) << DDR_CDR1_ODT_SHIFT)
 164 #define DDR_CDR2_ODT(x) (x & DDR_CDR2_ODT_MASK)
 165 #define DDR_CDR2_VREF_OVRD(x)   (0x00008080 | ((((x) - 37) & 0x3F) << 8))
 166
 167 #if (defined(CONFIG_SYS_FSL_DDR_VER) && \
 168         (CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7))
 169 #ifdef CONFIG_SYS_FSL_DDR3L
 170 #define DDR_CDR_ODT_OFF         0x0
 171 #define DDR_CDR_ODT_120ohm      0x1
 172 #define DDR_CDR_ODT_200ohm      0x2
 173 #define DDR_CDR_ODT_75ohm       0x3
 174 #define DDR_CDR_ODT_60ohm       0x5
 175 #define DDR_CDR_ODT_46ohm       0x7
 176 #elif defined(CONFIG_SYS_FSL_DDR4)
 177 #define DDR_CDR_ODT_OFF         0x0
 178 #define DDR_CDR_ODT_100ohm      0x1
 179 #define DDR_CDR_ODT_120OHM      0x2
 180 #define DDR_CDR_ODT_80ohm       0x3
 181 #define DDR_CDR_ODT_60ohm       0x4
 182 #define DDR_CDR_ODT_40ohm       0x5
 183 #define DDR_CDR_ODT_50ohm       0x6
 184 #define DDR_CDR_ODT_30ohm       0x7
 185 #else
 186 #define DDR_CDR_ODT_OFF         0x0
 187 #define DDR_CDR_ODT_120ohm      0x1
 188 #define DDR_CDR_ODT_180ohm      0x2
 189 #define DDR_CDR_ODT_75ohm       0x3
 190 #define DDR_CDR_ODT_110ohm      0x4
 191 #define DDR_CDR_ODT_60hm        0x5
 192 #define DDR_CDR_ODT_70ohm       0x6
 193 #define DDR_CDR_ODT_47ohm       0x7
 194 #endif /* DDR3L */
 195 #else
 196 #define DDR_CDR_ODT_75ohm       0x0
 197 #define DDR_CDR_ODT_55ohm       0x1
 198 #define DDR_CDR_ODT_60ohm       0x2
 199 #define DDR_CDR_ODT_50ohm       0x3
 200 #define DDR_CDR_ODT_150ohm      0x4
 201 #define DDR_CDR_ODT_43ohm       0x5
 202 #define DDR_CDR_ODT_120ohm      0x6
 203 #endif
 204
 205 /* Record of register values computed */
 206 typedef struct fsl_ddr_cfg_regs_s {
 207         struct {
 208                 unsigned int bnds;
 209                 unsigned int config;
 210                 unsigned int config_2;
 211         } cs[CONFIG_CHIP_SELECTS_PER_CTRL];
 212         unsigned int timing_cfg_3;
 213         unsigned int timing_cfg_0;
 214         unsigned int timing_cfg_1;
 215         unsigned int timing_cfg_2;
 216         unsigned int ddr_sdram_cfg;
 217         unsigned int ddr_sdram_cfg_2;
 218         unsigned int ddr_sdram_cfg_3;
 219         unsigned int ddr_sdram_mode;
 220         unsigned int ddr_sdram_mode_2;
 221         unsigned int ddr_sdram_mode_3;
 222         unsigned int ddr_sdram_mode_4;
 223         unsigned int ddr_sdram_mode_5;
 224         unsigned int ddr_sdram_mode_6;
 225         unsigned int ddr_sdram_mode_7;
 226         unsigned int ddr_sdram_mode_8;
 227         unsigned int ddr_sdram_mode_9;
 228         unsigned int ddr_sdram_mode_10;
 229         unsigned int ddr_sdram_mode_11;
 230         unsigned int ddr_sdram_mode_12;
 231         unsigned int ddr_sdram_mode_13;
 232         unsigned int ddr_sdram_mode_14;
 233         unsigned int ddr_sdram_mode_15;
 234         unsigned int ddr_sdram_mode_16;
 235         unsigned int ddr_sdram_md_cntl;
 236         unsigned int ddr_sdram_interval;
 237         unsigned int ddr_data_init;
 238         unsigned int ddr_sdram_clk_cntl;
 239         unsigned int ddr_init_addr;
 240         unsigned int ddr_init_ext_addr;
 241         unsigned int timing_cfg_4;
 242         unsigned int timing_cfg_5;
 243         unsigned int timing_cfg_6;
 244         unsigned int timing_cfg_7;
 245         unsigned int timing_cfg_8;
 246         unsigned int timing_cfg_9;
 247         unsigned int ddr_zq_cntl;
 248         unsigned int ddr_wrlvl_cntl;
 249         unsigned int ddr_wrlvl_cntl_2;
 250         unsigned int ddr_wrlvl_cntl_3;
 251         unsigned int ddr_sr_cntr;
 252         unsigned int ddr_sdram_rcw_1;
 253         unsigned int ddr_sdram_rcw_2;
 254         unsigned int ddr_sdram_rcw_3;
 255         unsigned int ddr_sdram_rcw_4;
 256         unsigned int ddr_sdram_rcw_5;
 257         unsigned int ddr_sdram_rcw_6;
 258         unsigned int dq_map_0;
 259         unsigned int dq_map_1;
 260         unsigned int dq_map_2;
 261         unsigned int dq_map_3;
 262         unsigned int ddr_eor;
 263         unsigned int ddr_cdr1;
 264         unsigned int ddr_cdr2;
 265         unsigned int err_disable;
 266         unsigned int err_int_en;
 267         unsigned int debug[32];
 268 } fsl_ddr_cfg_regs_t;
 269
 270 typedef struct memctl_options_partial_s {
 271         unsigned int all_dimms_ecc_capable;
 272         unsigned int all_dimms_tckmax_ps;
 273         unsigned int all_dimms_burst_lengths_bitmask;
 274         unsigned int all_dimms_registered;
 275         unsigned int all_dimms_unbuffered;
 276         /*      unsigned int lowest_common_spd_caslat; */
 277         unsigned int all_dimms_minimum_trcd_ps;
 278 } memctl_options_partial_t;
 279
 280 #define DDR_DATA_BUS_WIDTH_64 0
 281 #define DDR_DATA_BUS_WIDTH_32 1
 282 #define DDR_DATA_BUS_WIDTH_16 2
 283 #define DDR_CSWL_CS0    0x04000001
 284 /*
 285  * Generalized parameters for memory controller configuration,
 286  * might be a little specific to the FSL memory controller
 287  */
 288 typedef struct memctl_options_s {
 289         /*
 290          * Memory organization parameters
 291          *
 292          * if DIMM is present in the system
 293          * where DIMMs are with respect to chip select
 294          * where chip selects are with respect to memory boundaries
 295          */
 296         unsigned int registered_dimm_en;    /* use registered DIMM support */
 297
 298         /* Options local to a Chip Select */
 299         struct cs_local_opts_s {
 300                 unsigned int auto_precharge;
 301                 unsigned int odt_rd_cfg;
 302                 unsigned int odt_wr_cfg;
 303                 unsigned int odt_rtt_norm;
 304                 unsigned int odt_rtt_wr;
 305         } cs_local_opts[CONFIG_CHIP_SELECTS_PER_CTRL];
 306
 307         /* Special configurations for chip select */
 308         unsigned int memctl_interleaving;
 309         unsigned int memctl_interleaving_mode;
 310         unsigned int ba_intlv_ctl;
 311         unsigned int addr_hash;
 312
 313         /* Operational mode parameters */
 314         unsigned int ecc_mode;   /* Use ECC? */
 315         /* Initialize ECC using memory controller? */
 316         unsigned int ecc_init_using_memctl;
 317         unsigned int dqs_config;        /* Use DQS? maybe only with DDR2? */
 318         /* SREN - self-refresh during sleep */
 319         unsigned int self_refresh_in_sleep;
 320         unsigned int dynamic_power;     /* DYN_PWR */
 321         /* memory data width to use (16-bit, 32-bit, 64-bit) */
 322         unsigned int data_bus_width;
 323         unsigned int burst_length;      /* BL4, OTF and BL8 */
 324         /* On-The-Fly Burst Chop enable */
 325         unsigned int otf_burst_chop_en;
 326         /* mirrior DIMMs for DDR3 */
 327         unsigned int mirrored_dimm;
 328         unsigned int quad_rank_present;
 329         unsigned int ap_en;     /* address parity enable for RDIMM */
 330         unsigned int x4_en;     /* enable x4 devices */
 331
 332         /* Global Timing Parameters */
 333         unsigned int cas_latency_override;
 334         unsigned int cas_latency_override_value;
 335         unsigned int use_derated_caslat;
 336         unsigned int additive_latency_override;
 337         unsigned int additive_latency_override_value;
 338
 339         unsigned int clk_adjust;                /* */
 340         unsigned int cpo_override;
 341         unsigned int write_data_delay;          /* DQS adjust */
 342
 343         unsigned int cswl_override;
 344         unsigned int wrlvl_override;
 345         unsigned int wrlvl_sample;              /* Write leveling */
 346         unsigned int wrlvl_start;
 347         unsigned int wrlvl_ctl_2;
 348         unsigned int wrlvl_ctl_3;
 349
 350         unsigned int half_strength_driver_enable;
 351         unsigned int twot_en;
 352         unsigned int threet_en;
 353         unsigned int bstopre;
 354         unsigned int tfaw_window_four_activates_ps;     /* tFAW --  FOUR_ACT */
 355
 356         /* Rtt impedance */
 357         unsigned int rtt_override;              /* rtt_override enable */
 358         unsigned int rtt_override_value;        /* that is Rtt_Nom for DDR3 */
 359         unsigned int rtt_wr_override_value;     /* this is Rtt_WR for DDR3 */
 360
 361         /* Automatic self refresh */
 362         unsigned int auto_self_refresh_en;
 363         unsigned int sr_it;
 364         /* ZQ calibration */
 365         unsigned int zq_en;
 366         /* Write leveling */
 367         unsigned int wrlvl_en;
 368         /* RCW override for RDIMM */
 369         unsigned int rcw_override;
 370         unsigned int rcw_1;
 371         unsigned int rcw_2;
 372         /* control register 1 */
 373         unsigned int ddr_cdr1;
 374         unsigned int ddr_cdr2;
 375
 376         unsigned int trwt_override;
 377         unsigned int trwt;                      /* read-to-write turnaround */
 378 } memctl_options_t;
 379
 380 phys_size_t fsl_ddr_sdram(void);
 381 phys_size_t fsl_ddr_sdram_size(void);
 382 phys_size_t fsl_other_ddr_sdram(unsigned long long base,
 383                                 unsigned int first_ctrl,
 384                                 unsigned int num_ctrls,
 385                                 unsigned int dimm_slots_per_ctrl,
 386                                 int (*board_need_reset)(void),
 387                                 void (*board_reset)(void),
 388                                 void (*board_de_reset)(void));
 389 extern int fsl_use_spd(void);
 390 void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
 391                              unsigned int ctrl_num, int step);
 392 u32 fsl_ddr_get_intl3r(void);
 393 void print_ddr_info(unsigned int start_ctrl);
 394
 395 static void __board_assert_mem_reset(void)
 396 {
 397 }
 398
 399 static void __board_deassert_mem_reset(void)
 400 {
 401 }
 402
 403 void board_assert_mem_reset(void)
 404         __attribute__((weak, alias("__board_assert_mem_reset")));
 405
 406 void board_deassert_mem_reset(void)
 407         __attribute__((weak, alias("__board_deassert_mem_reset")));
 408
 409 static int __board_need_mem_reset(void)
 410 {
 411         return 0;
 412 }
 413
 414 int board_need_mem_reset(void)
 415         __attribute__((weak, alias("__board_need_mem_reset")));
 416
 417 void __weak board_mem_sleep_setup(void)
 418 {
 419 }
 420
 421 /*
 422  * The 85xx boards have a common prototype for fixed_sdram so put the
 423  * declaration here.
 424  */
 425 #ifdef CONFIG_MPC85xx
 426 extern phys_size_t fixed_sdram(void);
 427 #endif
 428
 429 #if defined(CONFIG_DDR_ECC)
 430 extern void ddr_enable_ecc(unsigned int dram_size);
 431 #endif
 432
 433
 434 typedef struct fixed_ddr_parm{
 435         int min_freq;
 436         int max_freq;
 437         fsl_ddr_cfg_regs_t *ddr_settings;
 438 } fixed_ddr_parm_t;
 439 #endif