linux/drivers/memory/emif.h
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   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Defines for the EMIF driver
   4 *
   5 * Copyright (C) 2012 Texas Instruments, Inc.
   6 *
   7 * Benoit Cousson (b-cousson@ti.com)
   8 */
   9#ifndef __EMIF_H
  10#define __EMIF_H
  11
  12/*
  13 * Maximum number of different frequencies supported by EMIF driver
  14 * Determines the number of entries in the pointer array for register
  15 * cache
  16 */
  17#define EMIF_MAX_NUM_FREQUENCIES                        6
  18
  19/* State of the core voltage */
  20#define DDR_VOLTAGE_STABLE                              0
  21#define DDR_VOLTAGE_RAMPING                             1
  22
  23/* Defines for timing De-rating */
  24#define EMIF_NORMAL_TIMINGS                             0
  25#define EMIF_DERATED_TIMINGS                            1
  26
  27/* Length of the forced read idle period in terms of cycles */
  28#define EMIF_READ_IDLE_LEN_VAL                          5
  29
  30/*
  31 * forced read idle interval to be used when voltage
  32 * is changed as part of DVFS/DPS - 1ms
  33 */
  34#define READ_IDLE_INTERVAL_DVFS                         (1*1000000)
  35
  36/*
  37 * Forced read idle interval to be used when voltage is stable
  38 * 50us - or maximum value will do
  39 */
  40#define READ_IDLE_INTERVAL_NORMAL                       (50*1000000)
  41
  42/* DLL calibration interval when voltage is NOT stable - 1us */
  43#define DLL_CALIB_INTERVAL_DVFS                         (1*1000000)
  44
  45#define DLL_CALIB_ACK_WAIT_VAL                          5
  46
  47/* Interval between ZQCS commands - hw team recommended value */
  48#define EMIF_ZQCS_INTERVAL_US                           (50*1000)
  49/* Enable ZQ Calibration on exiting Self-refresh */
  50#define ZQ_SFEXITEN_ENABLE                              1
  51/*
  52 * ZQ Calibration simultaneously on both chip-selects:
  53 * Needs one calibration resistor per CS
  54 */
  55#define ZQ_DUALCALEN_DISABLE                            0
  56#define ZQ_DUALCALEN_ENABLE                             1
  57
  58#define T_ZQCS_DEFAULT_NS                               90
  59#define T_ZQCL_DEFAULT_NS                               360
  60#define T_ZQINIT_DEFAULT_NS                             1000
  61
  62/* DPD_EN */
  63#define DPD_DISABLE                                     0
  64#define DPD_ENABLE                                      1
  65
  66/*
  67 * Default values for the low-power entry to be used if not provided by user.
  68 * OMAP4/5 has a hw bug(i735) due to which this value can not be less than 512
  69 * Timeout values are in DDR clock 'cycles' and frequency threshold in Hz
  70 */
  71#define EMIF_LP_MODE_TIMEOUT_PERFORMANCE                2048
  72#define EMIF_LP_MODE_TIMEOUT_POWER                      512
  73#define EMIF_LP_MODE_FREQ_THRESHOLD                     400000000
  74
  75/* DDR_PHY_CTRL_1 values for EMIF4D - ATTILA PHY combination */
  76#define EMIF_DDR_PHY_CTRL_1_BASE_VAL_ATTILAPHY          0x049FF000
  77#define EMIF_DLL_SLAVE_DLY_CTRL_400_MHZ_ATTILAPHY       0x41
  78#define EMIF_DLL_SLAVE_DLY_CTRL_200_MHZ_ATTILAPHY       0x80
  79#define EMIF_DLL_SLAVE_DLY_CTRL_100_MHZ_AND_LESS_ATTILAPHY 0xFF
  80
  81/* DDR_PHY_CTRL_1 values for EMIF4D5 INTELLIPHY combination */
  82#define EMIF_DDR_PHY_CTRL_1_BASE_VAL_INTELLIPHY         0x0E084200
  83#define EMIF_PHY_TOTAL_READ_LATENCY_INTELLIPHY_PS       10000
  84
  85/* TEMP_ALERT_CONFIG - corresponding to temp gradient 5 C/s */
  86#define TEMP_ALERT_POLL_INTERVAL_DEFAULT_MS             360
  87
  88#define EMIF_T_CSTA                                     3
  89#define EMIF_T_PDLL_UL                                  128
  90
  91/* External PHY control registers magic values */
  92#define EMIF_EXT_PHY_CTRL_1_VAL                         0x04020080
  93#define EMIF_EXT_PHY_CTRL_5_VAL                         0x04010040
  94#define EMIF_EXT_PHY_CTRL_6_VAL                         0x01004010
  95#define EMIF_EXT_PHY_CTRL_7_VAL                         0x00001004
  96#define EMIF_EXT_PHY_CTRL_8_VAL                         0x04010040
  97#define EMIF_EXT_PHY_CTRL_9_VAL                         0x01004010
  98#define EMIF_EXT_PHY_CTRL_10_VAL                        0x00001004
  99#define EMIF_EXT_PHY_CTRL_11_VAL                        0x00000000
 100#define EMIF_EXT_PHY_CTRL_12_VAL                        0x00000000
 101#define EMIF_EXT_PHY_CTRL_13_VAL                        0x00000000
 102#define EMIF_EXT_PHY_CTRL_14_VAL                        0x80080080
 103#define EMIF_EXT_PHY_CTRL_15_VAL                        0x00800800
 104#define EMIF_EXT_PHY_CTRL_16_VAL                        0x08102040
 105#define EMIF_EXT_PHY_CTRL_17_VAL                        0x00000001
 106#define EMIF_EXT_PHY_CTRL_18_VAL                        0x540A8150
 107#define EMIF_EXT_PHY_CTRL_19_VAL                        0xA81502A0
 108#define EMIF_EXT_PHY_CTRL_20_VAL                        0x002A0540
 109#define EMIF_EXT_PHY_CTRL_21_VAL                        0x00000000
 110#define EMIF_EXT_PHY_CTRL_22_VAL                        0x00000000
 111#define EMIF_EXT_PHY_CTRL_23_VAL                        0x00000000
 112#define EMIF_EXT_PHY_CTRL_24_VAL                        0x00000077
 113
 114#define EMIF_INTELLI_PHY_DQS_GATE_OPENING_DELAY_PS      1200
 115
 116/* Registers offset */
 117#define EMIF_MODULE_ID_AND_REVISION                     0x0000
 118#define EMIF_STATUS                                     0x0004
 119#define EMIF_SDRAM_CONFIG                               0x0008
 120#define EMIF_SDRAM_CONFIG_2                             0x000c
 121#define EMIF_SDRAM_REFRESH_CONTROL                      0x0010
 122#define EMIF_SDRAM_REFRESH_CTRL_SHDW                    0x0014
 123#define EMIF_SDRAM_TIMING_1                             0x0018
 124#define EMIF_SDRAM_TIMING_1_SHDW                        0x001c
 125#define EMIF_SDRAM_TIMING_2                             0x0020
 126#define EMIF_SDRAM_TIMING_2_SHDW                        0x0024
 127#define EMIF_SDRAM_TIMING_3                             0x0028
 128#define EMIF_SDRAM_TIMING_3_SHDW                        0x002c
 129#define EMIF_LPDDR2_NVM_TIMING                          0x0030
 130#define EMIF_LPDDR2_NVM_TIMING_SHDW                     0x0034
 131#define EMIF_POWER_MANAGEMENT_CONTROL                   0x0038
 132#define EMIF_POWER_MANAGEMENT_CTRL_SHDW                 0x003c
 133#define EMIF_LPDDR2_MODE_REG_DATA                       0x0040
 134#define EMIF_LPDDR2_MODE_REG_CONFIG                     0x0050
 135#define EMIF_OCP_CONFIG                                 0x0054
 136#define EMIF_OCP_CONFIG_VALUE_1                         0x0058
 137#define EMIF_OCP_CONFIG_VALUE_2                         0x005c
 138#define EMIF_IODFT_TEST_LOGIC_GLOBAL_CONTROL            0x0060
 139#define EMIF_IODFT_TEST_LOGIC_CTRL_MISR_RESULT          0x0064
 140#define EMIF_IODFT_TEST_LOGIC_ADDRESS_MISR_RESULT       0x0068
 141#define EMIF_IODFT_TEST_LOGIC_DATA_MISR_RESULT_1        0x006c
 142#define EMIF_IODFT_TEST_LOGIC_DATA_MISR_RESULT_2        0x0070
 143#define EMIF_IODFT_TEST_LOGIC_DATA_MISR_RESULT_3        0x0074
 144#define EMIF_PERFORMANCE_COUNTER_1                      0x0080
 145#define EMIF_PERFORMANCE_COUNTER_2                      0x0084
 146#define EMIF_PERFORMANCE_COUNTER_CONFIG                 0x0088
 147#define EMIF_PERFORMANCE_COUNTER_MASTER_REGION_SELECT   0x008c
 148#define EMIF_PERFORMANCE_COUNTER_TIME                   0x0090
 149#define EMIF_MISC_REG                                   0x0094
 150#define EMIF_DLL_CALIB_CTRL                             0x0098
 151#define EMIF_DLL_CALIB_CTRL_SHDW                        0x009c
 152#define EMIF_END_OF_INTERRUPT                           0x00a0
 153#define EMIF_SYSTEM_OCP_INTERRUPT_RAW_STATUS            0x00a4
 154#define EMIF_LL_OCP_INTERRUPT_RAW_STATUS                0x00a8
 155#define EMIF_SYSTEM_OCP_INTERRUPT_STATUS                0x00ac
 156#define EMIF_LL_OCP_INTERRUPT_STATUS                    0x00b0
 157#define EMIF_SYSTEM_OCP_INTERRUPT_ENABLE_SET            0x00b4
 158#define EMIF_LL_OCP_INTERRUPT_ENABLE_SET                0x00b8
 159#define EMIF_SYSTEM_OCP_INTERRUPT_ENABLE_CLEAR          0x00bc
 160#define EMIF_LL_OCP_INTERRUPT_ENABLE_CLEAR              0x00c0
 161#define EMIF_SDRAM_OUTPUT_IMPEDANCE_CALIBRATION_CONFIG  0x00c8
 162#define EMIF_TEMPERATURE_ALERT_CONFIG                   0x00cc
 163#define EMIF_OCP_ERROR_LOG                              0x00d0
 164#define EMIF_READ_WRITE_LEVELING_RAMP_WINDOW            0x00d4
 165#define EMIF_READ_WRITE_LEVELING_RAMP_CONTROL           0x00d8
 166#define EMIF_READ_WRITE_LEVELING_CONTROL                0x00dc
 167#define EMIF_DDR_PHY_CTRL_1                             0x00e4
 168#define EMIF_DDR_PHY_CTRL_1_SHDW                        0x00e8
 169#define EMIF_DDR_PHY_CTRL_2                             0x00ec
 170#define EMIF_PRIORITY_TO_CLASS_OF_SERVICE_MAPPING       0x0100
 171#define EMIF_CONNECTION_ID_TO_CLASS_OF_SERVICE_1_MAPPING 0x0104
 172#define EMIF_CONNECTION_ID_TO_CLASS_OF_SERVICE_2_MAPPING 0x0108
 173#define EMIF_READ_WRITE_EXECUTION_THRESHOLD             0x0120
 174#define EMIF_COS_CONFIG                                 0x0124
 175#define EMIF_PHY_STATUS_1                               0x0140
 176#define EMIF_PHY_STATUS_2                               0x0144
 177#define EMIF_PHY_STATUS_3                               0x0148
 178#define EMIF_PHY_STATUS_4                               0x014c
 179#define EMIF_PHY_STATUS_5                               0x0150
 180#define EMIF_PHY_STATUS_6                               0x0154
 181#define EMIF_PHY_STATUS_7                               0x0158
 182#define EMIF_PHY_STATUS_8                               0x015c
 183#define EMIF_PHY_STATUS_9                               0x0160
 184#define EMIF_PHY_STATUS_10                              0x0164
 185#define EMIF_PHY_STATUS_11                              0x0168
 186#define EMIF_PHY_STATUS_12                              0x016c
 187#define EMIF_PHY_STATUS_13                              0x0170
 188#define EMIF_PHY_STATUS_14                              0x0174
 189#define EMIF_PHY_STATUS_15                              0x0178
 190#define EMIF_PHY_STATUS_16                              0x017c
 191#define EMIF_PHY_STATUS_17                              0x0180
 192#define EMIF_PHY_STATUS_18                              0x0184
 193#define EMIF_PHY_STATUS_19                              0x0188
 194#define EMIF_PHY_STATUS_20                              0x018c
 195#define EMIF_PHY_STATUS_21                              0x0190
 196#define EMIF_EXT_PHY_CTRL_1                             0x0200
 197#define EMIF_EXT_PHY_CTRL_1_SHDW                        0x0204
 198#define EMIF_EXT_PHY_CTRL_2                             0x0208
 199#define EMIF_EXT_PHY_CTRL_2_SHDW                        0x020c
 200#define EMIF_EXT_PHY_CTRL_3                             0x0210
 201#define EMIF_EXT_PHY_CTRL_3_SHDW                        0x0214
 202#define EMIF_EXT_PHY_CTRL_4                             0x0218
 203#define EMIF_EXT_PHY_CTRL_4_SHDW                        0x021c
 204#define EMIF_EXT_PHY_CTRL_5                             0x0220
 205#define EMIF_EXT_PHY_CTRL_5_SHDW                        0x0224
 206#define EMIF_EXT_PHY_CTRL_6                             0x0228
 207#define EMIF_EXT_PHY_CTRL_6_SHDW                        0x022c
 208#define EMIF_EXT_PHY_CTRL_7                             0x0230
 209#define EMIF_EXT_PHY_CTRL_7_SHDW                        0x0234
 210#define EMIF_EXT_PHY_CTRL_8                             0x0238
 211#define EMIF_EXT_PHY_CTRL_8_SHDW                        0x023c
 212#define EMIF_EXT_PHY_CTRL_9                             0x0240
 213#define EMIF_EXT_PHY_CTRL_9_SHDW                        0x0244
 214#define EMIF_EXT_PHY_CTRL_10                            0x0248
 215#define EMIF_EXT_PHY_CTRL_10_SHDW                       0x024c
 216#define EMIF_EXT_PHY_CTRL_11                            0x0250
 217#define EMIF_EXT_PHY_CTRL_11_SHDW                       0x0254
 218#define EMIF_EXT_PHY_CTRL_12                            0x0258
 219#define EMIF_EXT_PHY_CTRL_12_SHDW                       0x025c
 220#define EMIF_EXT_PHY_CTRL_13                            0x0260
 221#define EMIF_EXT_PHY_CTRL_13_SHDW                       0x0264
 222#define EMIF_EXT_PHY_CTRL_14                            0x0268
 223#define EMIF_EXT_PHY_CTRL_14_SHDW                       0x026c
 224#define EMIF_EXT_PHY_CTRL_15                            0x0270
 225#define EMIF_EXT_PHY_CTRL_15_SHDW                       0x0274
 226#define EMIF_EXT_PHY_CTRL_16                            0x0278
 227#define EMIF_EXT_PHY_CTRL_16_SHDW                       0x027c
 228#define EMIF_EXT_PHY_CTRL_17                            0x0280
 229#define EMIF_EXT_PHY_CTRL_17_SHDW                       0x0284
 230#define EMIF_EXT_PHY_CTRL_18                            0x0288
 231#define EMIF_EXT_PHY_CTRL_18_SHDW                       0x028c
 232#define EMIF_EXT_PHY_CTRL_19                            0x0290
 233#define EMIF_EXT_PHY_CTRL_19_SHDW                       0x0294
 234#define EMIF_EXT_PHY_CTRL_20                            0x0298
 235#define EMIF_EXT_PHY_CTRL_20_SHDW                       0x029c
 236#define EMIF_EXT_PHY_CTRL_21                            0x02a0
 237#define EMIF_EXT_PHY_CTRL_21_SHDW                       0x02a4
 238#define EMIF_EXT_PHY_CTRL_22                            0x02a8
 239#define EMIF_EXT_PHY_CTRL_22_SHDW                       0x02ac
 240#define EMIF_EXT_PHY_CTRL_23                            0x02b0
 241#define EMIF_EXT_PHY_CTRL_23_SHDW                       0x02b4
 242#define EMIF_EXT_PHY_CTRL_24                            0x02b8
 243#define EMIF_EXT_PHY_CTRL_24_SHDW                       0x02bc
 244#define EMIF_EXT_PHY_CTRL_25                            0x02c0
 245#define EMIF_EXT_PHY_CTRL_25_SHDW                       0x02c4
 246#define EMIF_EXT_PHY_CTRL_26                            0x02c8
 247#define EMIF_EXT_PHY_CTRL_26_SHDW                       0x02cc
 248#define EMIF_EXT_PHY_CTRL_27                            0x02d0
 249#define EMIF_EXT_PHY_CTRL_27_SHDW                       0x02d4
 250#define EMIF_EXT_PHY_CTRL_28                            0x02d8
 251#define EMIF_EXT_PHY_CTRL_28_SHDW                       0x02dc
 252#define EMIF_EXT_PHY_CTRL_29                            0x02e0
 253#define EMIF_EXT_PHY_CTRL_29_SHDW                       0x02e4
 254#define EMIF_EXT_PHY_CTRL_30                            0x02e8
 255#define EMIF_EXT_PHY_CTRL_30_SHDW                       0x02ec
 256
 257/* Registers shifts and masks */
 258
 259/* EMIF_MODULE_ID_AND_REVISION */
 260#define SCHEME_SHIFT                                    30
 261#define SCHEME_MASK                                     (0x3 << 30)
 262#define MODULE_ID_SHIFT                                 16
 263#define MODULE_ID_MASK                                  (0xfff << 16)
 264#define RTL_VERSION_SHIFT                               11
 265#define RTL_VERSION_MASK                                (0x1f << 11)
 266#define MAJOR_REVISION_SHIFT                            8
 267#define MAJOR_REVISION_MASK                             (0x7 << 8)
 268#define MINOR_REVISION_SHIFT                            0
 269#define MINOR_REVISION_MASK                             (0x3f << 0)
 270
 271/* STATUS */
 272#define BE_SHIFT                                        31
 273#define BE_MASK                                         (1 << 31)
 274#define DUAL_CLK_MODE_SHIFT                             30
 275#define DUAL_CLK_MODE_MASK                              (1 << 30)
 276#define FAST_INIT_SHIFT                                 29
 277#define FAST_INIT_MASK                                  (1 << 29)
 278#define RDLVLGATETO_SHIFT                               6
 279#define RDLVLGATETO_MASK                                (1 << 6)
 280#define RDLVLTO_SHIFT                                   5
 281#define RDLVLTO_MASK                                    (1 << 5)
 282#define WRLVLTO_SHIFT                                   4
 283#define WRLVLTO_MASK                                    (1 << 4)
 284#define PHY_DLL_READY_SHIFT                             2
 285#define PHY_DLL_READY_MASK                              (1 << 2)
 286
 287/* SDRAM_CONFIG */
 288#define SDRAM_TYPE_SHIFT                                29
 289#define SDRAM_TYPE_MASK                                 (0x7 << 29)
 290#define IBANK_POS_SHIFT                                 27
 291#define IBANK_POS_MASK                                  (0x3 << 27)
 292#define DDR_TERM_SHIFT                                  24
 293#define DDR_TERM_MASK                                   (0x7 << 24)
 294#define DDR2_DDQS_SHIFT                                 23
 295#define DDR2_DDQS_MASK                                  (1 << 23)
 296#define DYN_ODT_SHIFT                                   21
 297#define DYN_ODT_MASK                                    (0x3 << 21)
 298#define DDR_DISABLE_DLL_SHIFT                           20
 299#define DDR_DISABLE_DLL_MASK                            (1 << 20)
 300#define SDRAM_DRIVE_SHIFT                               18
 301#define SDRAM_DRIVE_MASK                                (0x3 << 18)
 302#define CWL_SHIFT                                       16
 303#define CWL_MASK                                        (0x3 << 16)
 304#define NARROW_MODE_SHIFT                               14
 305#define NARROW_MODE_MASK                                (0x3 << 14)
 306#define CL_SHIFT                                        10
 307#define CL_MASK                                         (0xf << 10)
 308#define ROWSIZE_SHIFT                                   7
 309#define ROWSIZE_MASK                                    (0x7 << 7)
 310#define IBANK_SHIFT                                     4
 311#define IBANK_MASK                                      (0x7 << 4)
 312#define EBANK_SHIFT                                     3
 313#define EBANK_MASK                                      (1 << 3)
 314#define PAGESIZE_SHIFT                                  0
 315#define PAGESIZE_MASK                                   (0x7 << 0)
 316
 317/* SDRAM_CONFIG_2 */
 318#define CS1NVMEN_SHIFT                                  30
 319#define CS1NVMEN_MASK                                   (1 << 30)
 320#define EBANK_POS_SHIFT                                 27
 321#define EBANK_POS_MASK                                  (1 << 27)
 322#define RDBNUM_SHIFT                                    4
 323#define RDBNUM_MASK                                     (0x3 << 4)
 324#define RDBSIZE_SHIFT                                   0
 325#define RDBSIZE_MASK                                    (0x7 << 0)
 326
 327/* SDRAM_REFRESH_CONTROL */
 328#define INITREF_DIS_SHIFT                               31
 329#define INITREF_DIS_MASK                                (1 << 31)
 330#define SRT_SHIFT                                       29
 331#define SRT_MASK                                        (1 << 29)
 332#define ASR_SHIFT                                       28
 333#define ASR_MASK                                        (1 << 28)
 334#define PASR_SHIFT                                      24
 335#define PASR_MASK                                       (0x7 << 24)
 336#define REFRESH_RATE_SHIFT                              0
 337#define REFRESH_RATE_MASK                               (0xffff << 0)
 338
 339/* SDRAM_TIMING_1 */
 340#define T_RTW_SHIFT                                     29
 341#define T_RTW_MASK                                      (0x7 << 29)
 342#define T_RP_SHIFT                                      25
 343#define T_RP_MASK                                       (0xf << 25)
 344#define T_RCD_SHIFT                                     21
 345#define T_RCD_MASK                                      (0xf << 21)
 346#define T_WR_SHIFT                                      17
 347#define T_WR_MASK                                       (0xf << 17)
 348#define T_RAS_SHIFT                                     12
 349#define T_RAS_MASK                                      (0x1f << 12)
 350#define T_RC_SHIFT                                      6
 351#define T_RC_MASK                                       (0x3f << 6)
 352#define T_RRD_SHIFT                                     3
 353#define T_RRD_MASK                                      (0x7 << 3)
 354#define T_WTR_SHIFT                                     0
 355#define T_WTR_MASK                                      (0x7 << 0)
 356
 357/* SDRAM_TIMING_2 */
 358#define T_XP_SHIFT                                      28
 359#define T_XP_MASK                                       (0x7 << 28)
 360#define T_ODT_SHIFT                                     25
 361#define T_ODT_MASK                                      (0x7 << 25)
 362#define T_XSNR_SHIFT                                    16
 363#define T_XSNR_MASK                                     (0x1ff << 16)
 364#define T_XSRD_SHIFT                                    6
 365#define T_XSRD_MASK                                     (0x3ff << 6)
 366#define T_RTP_SHIFT                                     3
 367#define T_RTP_MASK                                      (0x7 << 3)
 368#define T_CKE_SHIFT                                     0
 369#define T_CKE_MASK                                      (0x7 << 0)
 370
 371/* SDRAM_TIMING_3 */
 372#define T_PDLL_UL_SHIFT                                 28
 373#define T_PDLL_UL_MASK                                  (0xf << 28)
 374#define T_CSTA_SHIFT                                    24
 375#define T_CSTA_MASK                                     (0xf << 24)
 376#define T_CKESR_SHIFT                                   21
 377#define T_CKESR_MASK                                    (0x7 << 21)
 378#define ZQ_ZQCS_SHIFT                                   15
 379#define ZQ_ZQCS_MASK                                    (0x3f << 15)
 380#define T_TDQSCKMAX_SHIFT                               13
 381#define T_TDQSCKMAX_MASK                                (0x3 << 13)
 382#define T_RFC_SHIFT                                     4
 383#define T_RFC_MASK                                      (0x1ff << 4)
 384#define T_RAS_MAX_SHIFT                                 0
 385#define T_RAS_MAX_MASK                                  (0xf << 0)
 386
 387/* POWER_MANAGEMENT_CONTROL */
 388#define PD_TIM_SHIFT                                    12
 389#define PD_TIM_MASK                                     (0xf << 12)
 390#define DPD_EN_SHIFT                                    11
 391#define DPD_EN_MASK                                     (1 << 11)
 392#define LP_MODE_SHIFT                                   8
 393#define LP_MODE_MASK                                    (0x7 << 8)
 394#define SR_TIM_SHIFT                                    4
 395#define SR_TIM_MASK                                     (0xf << 4)
 396#define CS_TIM_SHIFT                                    0
 397#define CS_TIM_MASK                                     (0xf << 0)
 398
 399/* LPDDR2_MODE_REG_DATA */
 400#define VALUE_0_SHIFT                                   0
 401#define VALUE_0_MASK                                    (0x7f << 0)
 402
 403/* LPDDR2_MODE_REG_CONFIG */
 404#define CS_SHIFT                                        31
 405#define CS_MASK                                         (1 << 31)
 406#define REFRESH_EN_SHIFT                                30
 407#define REFRESH_EN_MASK                                 (1 << 30)
 408#define ADDRESS_SHIFT                                   0
 409#define ADDRESS_MASK                                    (0xff << 0)
 410
 411/* OCP_CONFIG */
 412#define SYS_THRESH_MAX_SHIFT                            24
 413#define SYS_THRESH_MAX_MASK                             (0xf << 24)
 414#define MPU_THRESH_MAX_SHIFT                            20
 415#define MPU_THRESH_MAX_MASK                             (0xf << 20)
 416#define LL_THRESH_MAX_SHIFT                             16
 417#define LL_THRESH_MAX_MASK                              (0xf << 16)
 418
 419/* PERFORMANCE_COUNTER_1 */
 420#define COUNTER1_SHIFT                                  0
 421#define COUNTER1_MASK                                   (0xffffffff << 0)
 422
 423/* PERFORMANCE_COUNTER_2 */
 424#define COUNTER2_SHIFT                                  0
 425#define COUNTER2_MASK                                   (0xffffffff << 0)
 426
 427/* PERFORMANCE_COUNTER_CONFIG */
 428#define CNTR2_MCONNID_EN_SHIFT                          31
 429#define CNTR2_MCONNID_EN_MASK                           (1 << 31)
 430#define CNTR2_REGION_EN_SHIFT                           30
 431#define CNTR2_REGION_EN_MASK                            (1 << 30)
 432#define CNTR2_CFG_SHIFT                                 16
 433#define CNTR2_CFG_MASK                                  (0xf << 16)
 434#define CNTR1_MCONNID_EN_SHIFT                          15
 435#define CNTR1_MCONNID_EN_MASK                           (1 << 15)
 436#define CNTR1_REGION_EN_SHIFT                           14
 437#define CNTR1_REGION_EN_MASK                            (1 << 14)
 438#define CNTR1_CFG_SHIFT                                 0
 439#define CNTR1_CFG_MASK                                  (0xf << 0)
 440
 441/* PERFORMANCE_COUNTER_MASTER_REGION_SELECT */
 442#define MCONNID2_SHIFT                                  24
 443#define MCONNID2_MASK                                   (0xff << 24)
 444#define REGION_SEL2_SHIFT                               16
 445#define REGION_SEL2_MASK                                (0x3 << 16)
 446#define MCONNID1_SHIFT                                  8
 447#define MCONNID1_MASK                                   (0xff << 8)
 448#define REGION_SEL1_SHIFT                               0
 449#define REGION_SEL1_MASK                                (0x3 << 0)
 450
 451/* PERFORMANCE_COUNTER_TIME */
 452#define TOTAL_TIME_SHIFT                                0
 453#define TOTAL_TIME_MASK                                 (0xffffffff << 0)
 454
 455/* DLL_CALIB_CTRL */
 456#define ACK_WAIT_SHIFT                                  16
 457#define ACK_WAIT_MASK                                   (0xf << 16)
 458#define DLL_CALIB_INTERVAL_SHIFT                        0
 459#define DLL_CALIB_INTERVAL_MASK                         (0x1ff << 0)
 460
 461/* END_OF_INTERRUPT */
 462#define EOI_SHIFT                                       0
 463#define EOI_MASK                                        (1 << 0)
 464
 465/* SYSTEM_OCP_INTERRUPT_RAW_STATUS */
 466#define DNV_SYS_SHIFT                                   2
 467#define DNV_SYS_MASK                                    (1 << 2)
 468#define TA_SYS_SHIFT                                    1
 469#define TA_SYS_MASK                                     (1 << 1)
 470#define ERR_SYS_SHIFT                                   0
 471#define ERR_SYS_MASK                                    (1 << 0)
 472
 473/* LOW_LATENCY_OCP_INTERRUPT_RAW_STATUS */
 474#define DNV_LL_SHIFT                                    2
 475#define DNV_LL_MASK                                     (1 << 2)
 476#define TA_LL_SHIFT                                     1
 477#define TA_LL_MASK                                      (1 << 1)
 478#define ERR_LL_SHIFT                                    0
 479#define ERR_LL_MASK                                     (1 << 0)
 480
 481/* SYSTEM_OCP_INTERRUPT_ENABLE_SET */
 482#define EN_DNV_SYS_SHIFT                                2
 483#define EN_DNV_SYS_MASK                                 (1 << 2)
 484#define EN_TA_SYS_SHIFT                                 1
 485#define EN_TA_SYS_MASK                                  (1 << 1)
 486#define EN_ERR_SYS_SHIFT                                        0
 487#define EN_ERR_SYS_MASK                                 (1 << 0)
 488
 489/* LOW_LATENCY_OCP_INTERRUPT_ENABLE_SET */
 490#define EN_DNV_LL_SHIFT                                 2
 491#define EN_DNV_LL_MASK                                  (1 << 2)
 492#define EN_TA_LL_SHIFT                                  1
 493#define EN_TA_LL_MASK                                   (1 << 1)
 494#define EN_ERR_LL_SHIFT                                 0
 495#define EN_ERR_LL_MASK                                  (1 << 0)
 496
 497/* SDRAM_OUTPUT_IMPEDANCE_CALIBRATION_CONFIG */
 498#define ZQ_CS1EN_SHIFT                                  31
 499#define ZQ_CS1EN_MASK                                   (1 << 31)
 500#define ZQ_CS0EN_SHIFT                                  30
 501#define ZQ_CS0EN_MASK                                   (1 << 30)
 502#define ZQ_DUALCALEN_SHIFT                              29
 503#define ZQ_DUALCALEN_MASK                               (1 << 29)
 504#define ZQ_SFEXITEN_SHIFT                               28
 505#define ZQ_SFEXITEN_MASK                                (1 << 28)
 506#define ZQ_ZQINIT_MULT_SHIFT                            18
 507#define ZQ_ZQINIT_MULT_MASK                             (0x3 << 18)
 508#define ZQ_ZQCL_MULT_SHIFT                              16
 509#define ZQ_ZQCL_MULT_MASK                               (0x3 << 16)
 510#define ZQ_REFINTERVAL_SHIFT                            0
 511#define ZQ_REFINTERVAL_MASK                             (0xffff << 0)
 512
 513/* TEMPERATURE_ALERT_CONFIG */
 514#define TA_CS1EN_SHIFT                                  31
 515#define TA_CS1EN_MASK                                   (1 << 31)
 516#define TA_CS0EN_SHIFT                                  30
 517#define TA_CS0EN_MASK                                   (1 << 30)
 518#define TA_SFEXITEN_SHIFT                               28
 519#define TA_SFEXITEN_MASK                                (1 << 28)
 520#define TA_DEVWDT_SHIFT                                 26
 521#define TA_DEVWDT_MASK                                  (0x3 << 26)
 522#define TA_DEVCNT_SHIFT                                 24
 523#define TA_DEVCNT_MASK                                  (0x3 << 24)
 524#define TA_REFINTERVAL_SHIFT                            0
 525#define TA_REFINTERVAL_MASK                             (0x3fffff << 0)
 526
 527/* OCP_ERROR_LOG */
 528#define MADDRSPACE_SHIFT                                14
 529#define MADDRSPACE_MASK                                 (0x3 << 14)
 530#define MBURSTSEQ_SHIFT                                 11
 531#define MBURSTSEQ_MASK                                  (0x7 << 11)
 532#define MCMD_SHIFT                                      8
 533#define MCMD_MASK                                       (0x7 << 8)
 534#define MCONNID_SHIFT                                   0
 535#define MCONNID_MASK                                    (0xff << 0)
 536
 537/* READ_WRITE_LEVELING_CONTROL */
 538#define RDWRLVLFULL_START                               0x80000000
 539
 540/* DDR_PHY_CTRL_1 - EMIF4D */
 541#define DLL_SLAVE_DLY_CTRL_SHIFT_4D                     4
 542#define DLL_SLAVE_DLY_CTRL_MASK_4D                      (0xFF << 4)
 543#define READ_LATENCY_SHIFT_4D                           0
 544#define READ_LATENCY_MASK_4D                            (0xf << 0)
 545
 546/* DDR_PHY_CTRL_1 - EMIF4D5 */
 547#define DLL_HALF_DELAY_SHIFT_4D5                        21
 548#define DLL_HALF_DELAY_MASK_4D5                         (1 << 21)
 549#define READ_LATENCY_SHIFT_4D5                          0
 550#define READ_LATENCY_MASK_4D5                           (0x1f << 0)
 551
 552/* DDR_PHY_CTRL_1_SHDW */
 553#define DDR_PHY_CTRL_1_SHDW_SHIFT                       5
 554#define DDR_PHY_CTRL_1_SHDW_MASK                        (0x7ffffff << 5)
 555#define READ_LATENCY_SHDW_SHIFT                         0
 556#define READ_LATENCY_SHDW_MASK                          (0x1f << 0)
 557
 558#define EMIF_SRAM_AM33_REG_LAYOUT                       0x00000000
 559#define EMIF_SRAM_AM43_REG_LAYOUT                       0x00000001
 560
 561#ifndef __ASSEMBLY__
 562/*
 563 * Structure containing shadow of important registers in EMIF
 564 * The calculation function fills in this structure to be later used for
 565 * initialisation and DVFS
 566 */
 567struct emif_regs {
 568        u32 freq;
 569        u32 ref_ctrl_shdw;
 570        u32 ref_ctrl_shdw_derated;
 571        u32 sdram_tim1_shdw;
 572        u32 sdram_tim1_shdw_derated;
 573        u32 sdram_tim2_shdw;
 574        u32 sdram_tim3_shdw;
 575        u32 sdram_tim3_shdw_derated;
 576        u32 pwr_mgmt_ctrl_shdw;
 577        union {
 578                u32 read_idle_ctrl_shdw_normal;
 579                u32 dll_calib_ctrl_shdw_normal;
 580        };
 581        union {
 582                u32 read_idle_ctrl_shdw_volt_ramp;
 583                u32 dll_calib_ctrl_shdw_volt_ramp;
 584        };
 585
 586        u32 phy_ctrl_1_shdw;
 587        u32 ext_phy_ctrl_2_shdw;
 588        u32 ext_phy_ctrl_3_shdw;
 589        u32 ext_phy_ctrl_4_shdw;
 590};
 591
 592struct ti_emif_pm_functions;
 593
 594extern unsigned int ti_emif_sram;
 595extern unsigned int ti_emif_sram_sz;
 596extern struct ti_emif_pm_data ti_emif_pm_sram_data;
 597extern struct emif_regs_amx3 ti_emif_regs_amx3;
 598
 599void ti_emif_save_context(void);
 600void ti_emif_restore_context(void);
 601void ti_emif_run_hw_leveling(void);
 602void ti_emif_enter_sr(void);
 603void ti_emif_exit_sr(void);
 604void ti_emif_abort_sr(void);
 605
 606#endif /* __ASSEMBLY__ */
 607#endif /* __EMIF_H */
 608