drivers/ddr/marvell/a38x/mv_ddr_plat.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (C) Marvell International Ltd. and its affiliates
   4  */
   5
   6 #include "ddr3_init.h"
   7 #include "mv_ddr_training_db.h"
   8 #include "mv_ddr_regs.h"
   9 #include "mv_ddr_sys_env_lib.h"
  10 #include <linux/delay.h>
  11
  12 #define DDR_INTERFACES_NUM              1
  13 #define DDR_INTERFACE_OCTETS_NUM        5
  14
  15 /*
  16  * 1. L2 filter should be set at binary header to 0xD000000,
  17  *    to avoid conflict with internal register IO.
  18  * 2. U-Boot modifies internal registers base to 0xf100000,
  19  *    and than should update L2 filter accordingly to 0xf000000 (3.75 GB)
  20  */
  21 #define L2_FILTER_FOR_MAX_MEMORY_SIZE   0xC0000000 /* temporary limit l2 filter to 3gb (LSP issue) */
  22 #define ADDRESS_FILTERING_END_REGISTER  0x8c04
  23
  24 #define DYNAMIC_CS_SIZE_CONFIG
  25 #define DISABLE_L2_FILTERING_DURING_DDR_TRAINING
  26
  27 /* Termal Sensor Registers */
  28 #define TSEN_CONTROL_LSB_REG            0xE4070
  29 #define TSEN_CONTROL_LSB_TC_TRIM_OFFSET 0
  30 #define TSEN_CONTROL_LSB_TC_TRIM_MASK   (0x7 << TSEN_CONTROL_LSB_TC_TRIM_OFFSET)
  31 #define TSEN_CONTROL_MSB_REG            0xE4074
  32 #define TSEN_CONTROL_MSB_RST_OFFSET     8
  33 #define TSEN_CONTROL_MSB_RST_MASK       (0x1 << TSEN_CONTROL_MSB_RST_OFFSET)
  34 #define TSEN_STATUS_REG                 0xe4078
  35 #define TSEN_STATUS_READOUT_VALID_OFFSET        10
  36 #define TSEN_STATUS_READOUT_VALID_MASK  (0x1 <<                         \
  37                                          TSEN_STATUS_READOUT_VALID_OFFSET)
  38 #define TSEN_STATUS_TEMP_OUT_OFFSET     0
  39 #define TSEN_STATUS_TEMP_OUT_MASK       (0x3ff << TSEN_STATUS_TEMP_OUT_OFFSET)
  40
  41 static struct dlb_config ddr3_dlb_config_table[] = {
  42         {DLB_CTRL_REG, 0x2000005c},
  43         {DLB_BUS_OPT_WT_REG, 0x00880000},
  44         {DLB_AGING_REG, 0x0f7f007f},
  45         {DLB_EVICTION_CTRL_REG, 0x0000129f},
  46         {DLB_EVICTION_TIMERS_REG, 0x00ff0000},
  47         {DLB_WTS_DIFF_CS_REG, 0x04030802},
  48         {DLB_WTS_DIFF_BG_REG, 0x00000a02},
  49         {DLB_WTS_SAME_BG_REG, 0x09000a01},
  50         {DLB_WTS_CMDS_REG, 0x00020005},
  51         {DLB_WTS_ATTR_PRIO_REG, 0x00060f10},
  52         {DLB_QUEUE_MAP_REG, 0x00000543},
  53         {DLB_SPLIT_REG, 0x00000000},
  54         {DLB_USER_CMD_REG, 0x00000000},
  55         {0x0, 0x0}
  56 };
  57
  58 static struct dlb_config *sys_env_dlb_config_ptr_get(void)
  59 {
  60         return &ddr3_dlb_config_table[0];
  61 }
  62
  63 static u8 a38x_bw_per_freq[MV_DDR_FREQ_LAST] = {
  64         0x3,                    /* MV_DDR_FREQ_100 */
  65         0x4,                    /* MV_DDR_FREQ_400 */
  66         0x4,                    /* MV_DDR_FREQ_533 */
  67         0x5,                    /* MV_DDR_FREQ_667 */
  68         0x5,                    /* MV_DDR_FREQ_800 */
  69         0x5,                    /* MV_DDR_FREQ_933 */
  70         0x5,                    /* MV_DDR_FREQ_1066 */
  71         0x3,                    /* MV_DDR_FREQ_311 */
  72         0x3,                    /* MV_DDR_FREQ_333 */
  73         0x4,                    /* MV_DDR_FREQ_467 */
  74         0x5,                    /* MV_DDR_FREQ_850 */
  75         0x5,                    /* MV_DDR_FREQ_600 */
  76         0x3,                    /* MV_DDR_FREQ_300 */
  77         0x5,                    /* MV_DDR_FREQ_900 */
  78         0x3,                    /* MV_DDR_FREQ_360 */
  79         0x5                     /* MV_DDR_FREQ_1000 */
  80 };
  81
  82 static u8 a38x_rate_per_freq[MV_DDR_FREQ_LAST] = {
  83         0x1,                    /* MV_DDR_FREQ_100 */
  84         0x2,                    /* MV_DDR_FREQ_400 */
  85         0x2,                    /* MV_DDR_FREQ_533 */
  86         0x2,                    /* MV_DDR_FREQ_667 */
  87         0x2,                    /* MV_DDR_FREQ_800 */
  88         0x3,                    /* MV_DDR_FREQ_933 */
  89         0x3,                    /* MV_DDR_FREQ_1066 */
  90         0x1,                    /* MV_DDR_FREQ_311 */
  91         0x1,                    /* MV_DDR_FREQ_333 */
  92         0x2,                    /* MV_DDR_FREQ_467 */
  93         0x2,                    /* MV_DDR_FREQ_850 */
  94         0x2,                    /* MV_DDR_FREQ_600 */
  95         0x1,                    /* MV_DDR_FREQ_300 */
  96         0x2,                    /* MV_DDR_FREQ_900 */
  97         0x1,                    /* MV_DDR_FREQ_360 */
  98         0x2                     /* MV_DDR_FREQ_1000 */
  99 };
 100
 101 static u16 a38x_vco_freq_per_sar_ref_clk_25_mhz[] = {
 102         666,                    /* 0 */
 103         1332,
 104         800,
 105         1600,
 106         1066,
 107         2132,
 108         1200,
 109         2400,
 110         1332,
 111         1332,
 112         1500,
 113         1500,
 114         1600,                   /* 12 */
 115         1600,
 116         1700,
 117         1700,
 118         1866,
 119         1866,
 120         1800,                   /* 18 */
 121         2000,
 122         2000,
 123         4000,
 124         2132,
 125         2132,
 126         2300,
 127         2300,
 128         2400,
 129         2400,
 130         2500,
 131         2500,
 132         800
 133 };
 134
 135 static u16 a38x_vco_freq_per_sar_ref_clk_40_mhz[] = {
 136         666,                    /* 0 */
 137         1332,
 138         800,
 139         800,                    /* 0x3 */
 140         1066,
 141         1066,                   /* 0x5 */
 142         1200,
 143         2400,
 144         1332,
 145         1332,
 146         1500,                   /* 10 */
 147         1600,                   /* 0xB */
 148         1600,
 149         1600,
 150         1700,
 151         1560,                   /* 0xF */
 152         1866,
 153         1866,
 154         1800,
 155         2000,
 156         2000,                   /* 20 */
 157         4000,
 158         2132,
 159         2132,
 160         2300,
 161         2300,
 162         2400,
 163         2400,
 164         2500,
 165         2500,
 166         1800                    /* 30 - 0x1E */
 167 };
 168
 169
 170 static u32 async_mode_at_tf;
 171
 172 static u32 dq_bit_map_2_phy_pin[] = {
 173         1, 0, 2, 6, 9, 8, 3, 7, /* 0 */
 174         8, 9, 1, 7, 2, 6, 3, 0, /* 1 */
 175         3, 9, 7, 8, 1, 0, 2, 6, /* 2 */
 176         1, 0, 6, 2, 8, 3, 7, 9, /* 3 */
 177         0, 1, 2, 9, 7, 8, 3, 6, /* 4 */
 178 };
 179
 180 void mv_ddr_mem_scrubbing(void)
 181 {
 182         ddr3_new_tip_ecc_scrub();
 183 }
 184
 185 static int ddr3_tip_a38x_set_divider(u8 dev_num, u32 if_id,
 186                                      enum mv_ddr_freq freq);
 187
 188 /*
 189  * Read temperature TJ value
 190  */
 191 static u32 ddr3_ctrl_get_junc_temp(u8 dev_num)
 192 {
 193         int reg = 0;
 194
 195         /* Initiates TSEN hardware reset once */
 196         if ((reg_read(TSEN_CONTROL_MSB_REG) & TSEN_CONTROL_MSB_RST_MASK) == 0) {
 197                 reg_bit_set(TSEN_CONTROL_MSB_REG, TSEN_CONTROL_MSB_RST_MASK);
 198                 /* set Tsen Tc Trim to correct default value (errata #132698) */
 199                 reg = reg_read(TSEN_CONTROL_LSB_REG);
 200                 reg &= ~TSEN_CONTROL_LSB_TC_TRIM_MASK;
 201                 reg |= 0x3 << TSEN_CONTROL_LSB_TC_TRIM_OFFSET;
 202                 reg_write(TSEN_CONTROL_LSB_REG, reg);
 203         }
 204         mdelay(10);
 205
 206         /* Check if the readout field is valid */
 207         if ((reg_read(TSEN_STATUS_REG) & TSEN_STATUS_READOUT_VALID_MASK) == 0) {
 208                 printf("%s: TSEN not ready\n", __func__);
 209                 return 0;
 210         }
 211
 212         reg = reg_read(TSEN_STATUS_REG);
 213         reg = (reg & TSEN_STATUS_TEMP_OUT_MASK) >> TSEN_STATUS_TEMP_OUT_OFFSET;
 214
 215         return ((((10000 * reg) / 21445) * 1000) - 272674) / 1000;
 216 }
 217
 218 /*
 219  * Name:     ddr3_tip_a38x_get_freq_config.
 220  * Desc:
 221  * Args:
 222  * Notes:
 223  * Returns:  MV_OK if success, other error code if fail.
 224  */
 225 static int ddr3_tip_a38x_get_freq_config(u8 dev_num, enum mv_ddr_freq freq,
 226                                   struct hws_tip_freq_config_info
 227                                   *freq_config_info)
 228 {
 229         if (a38x_bw_per_freq[freq] == 0xff)
 230                 return MV_NOT_SUPPORTED;
 231
 232         if (freq_config_info == NULL)
 233                 return MV_BAD_PARAM;
 234
 235         freq_config_info->bw_per_freq = a38x_bw_per_freq[freq];
 236         freq_config_info->rate_per_freq = a38x_rate_per_freq[freq];
 237         freq_config_info->is_supported = 1;
 238
 239         return MV_OK;
 240 }
 241
 242 static void dunit_read(u32 addr, u32 mask, u32 *data)
 243 {
 244         *data = reg_read(addr) & mask;
 245 }
 246
 247 static void dunit_write(u32 addr, u32 mask, u32 data)
 248 {
 249         u32 reg_val = data;
 250
 251         if (mask != MASK_ALL_BITS) {
 252                 dunit_read(addr, MASK_ALL_BITS, &reg_val);
 253                 reg_val &= (~mask);
 254                 reg_val |= (data & mask);
 255         }
 256
 257         reg_write(addr, reg_val);
 258 }
 259
 260 #define ODPG_ENABLE_REG                         0x186d4
 261 #define ODPG_EN_OFFS                            0
 262 #define ODPG_EN_MASK                            0x1
 263 #define ODPG_EN_ENA                             1
 264 #define ODPG_EN_DONE                            0
 265 #define ODPG_DIS_OFFS                           8
 266 #define ODPG_DIS_MASK                           0x1
 267 #define ODPG_DIS_DIS                            1
 268 void mv_ddr_odpg_enable(void)
 269 {
 270         dunit_write(ODPG_ENABLE_REG,
 271                     ODPG_EN_MASK << ODPG_EN_OFFS,
 272                     ODPG_EN_ENA << ODPG_EN_OFFS);
 273 }
 274
 275 void mv_ddr_odpg_disable(void)
 276 {
 277         dunit_write(ODPG_ENABLE_REG,
 278                     ODPG_DIS_MASK << ODPG_DIS_OFFS,
 279                     ODPG_DIS_DIS << ODPG_DIS_OFFS);
 280 }
 281
 282 void mv_ddr_odpg_done_clr(void)
 283 {
 284         return;
 285 }
 286
 287 int mv_ddr_is_odpg_done(u32 count)
 288 {
 289         u32 i, data;
 290
 291         for (i = 0; i < count; i++) {
 292                 dunit_read(ODPG_ENABLE_REG, MASK_ALL_BITS, &data);
 293                 if (((data >> ODPG_EN_OFFS) & ODPG_EN_MASK) ==
 294                      ODPG_EN_DONE)
 295                         break;
 296         }
 297
 298         if (i >= count) {
 299                 printf("%s: timeout\n", __func__);
 300                 return MV_FAIL;
 301         }
 302
 303         return MV_OK;
 304 }
 305
 306 void mv_ddr_training_enable(void)
 307 {
 308         dunit_write(GLOB_CTRL_STATUS_REG,
 309                     TRAINING_TRIGGER_MASK << TRAINING_TRIGGER_OFFS,
 310                     TRAINING_TRIGGER_ENA << TRAINING_TRIGGER_OFFS);
 311 }
 312
 313 #define DRAM_INIT_CTRL_STATUS_REG       0x18488
 314 #define TRAINING_TRIGGER_OFFS           0
 315 #define TRAINING_TRIGGER_MASK           0x1
 316 #define TRAINING_TRIGGER_ENA            1
 317 #define TRAINING_DONE_OFFS              1
 318 #define TRAINING_DONE_MASK              0x1
 319 #define TRAINING_DONE_DONE              1
 320 #define TRAINING_DONE_NOT_DONE          0
 321 #define TRAINING_RESULT_OFFS            2
 322 #define TRAINING_RESULT_MASK            0x1
 323 #define TRAINING_RESULT_PASS            0
 324 #define TRAINING_RESULT_FAIL            1
 325 int mv_ddr_is_training_done(u32 count, u32 *result)
 326 {
 327         u32 i, data;
 328
 329         if (result == NULL) {
 330                 printf("%s: NULL result pointer found\n", __func__);
 331                 return MV_FAIL;
 332         }
 333
 334         for (i = 0; i < count; i++) {
 335                 dunit_read(DRAM_INIT_CTRL_STATUS_REG, MASK_ALL_BITS, &data);
 336                 if (((data >> TRAINING_DONE_OFFS) & TRAINING_DONE_MASK) ==
 337                      TRAINING_DONE_DONE)
 338                         break;
 339         }
 340
 341         if (i >= count) {
 342                 printf("%s: timeout\n", __func__);
 343                 return MV_FAIL;
 344         }
 345
 346         *result = (data >> TRAINING_RESULT_OFFS) & TRAINING_RESULT_MASK;
 347
 348         return MV_OK;
 349 }
 350
 351 #define DM_PAD  10
 352 u32 mv_ddr_dm_pad_get(void)
 353 {
 354         return DM_PAD;
 355 }
 356
 357 /*
 358  * Name:     ddr3_tip_a38x_select_ddr_controller.
 359  * Desc:     Enable/Disable access to Marvell's server.
 360  * Args:     dev_num     - device number
 361  *           enable        - whether to enable or disable the server
 362  * Notes:
 363  * Returns:  MV_OK if success, other error code if fail.
 364  */
 365 static int ddr3_tip_a38x_select_ddr_controller(u8 dev_num, int enable)
 366 {
 367         u32 reg;
 368
 369         reg = reg_read(DUAL_DUNIT_CFG_REG);
 370
 371         if (enable)
 372                 reg |= (1 << 6);
 373         else
 374                 reg &= ~(1 << 6);
 375
 376         reg_write(DUAL_DUNIT_CFG_REG, reg);
 377
 378         return MV_OK;
 379 }
 380
 381 static u8 ddr3_tip_clock_mode(u32 frequency)
 382 {
 383         if ((frequency == MV_DDR_FREQ_LOW_FREQ) || (mv_ddr_freq_get(frequency) <= 400))
 384                 return 1;
 385
 386         return 2;
 387 }
 388
 389 static int mv_ddr_sar_freq_get(int dev_num, enum mv_ddr_freq *freq)
 390 {
 391         u32 reg, ref_clk_satr;
 392
 393         /* Read sample at reset setting */
 394         reg = (reg_read(REG_DEVICE_SAR1_ADDR) >>
 395                RST2_CPU_DDR_CLOCK_SELECT_IN_OFFSET) &
 396                 RST2_CPU_DDR_CLOCK_SELECT_IN_MASK;
 397
 398         ref_clk_satr = reg_read(DEVICE_SAMPLE_AT_RESET2_REG);
 399         if (((ref_clk_satr >> DEVICE_SAMPLE_AT_RESET2_REG_REFCLK_OFFSET) & 0x1) ==
 400             DEVICE_SAMPLE_AT_RESET2_REG_REFCLK_25MHZ) {
 401                 switch (reg) {
 402                 case 0x1:
 403                         DEBUG_TRAINING_ACCESS(DEBUG_LEVEL_ERROR,
 404                                               ("Warning: Unsupported freq mode for 333Mhz configured(%d)\n",
 405                                               reg));
 406                         /* fallthrough */
 407                 case 0x0:
 408                         *freq = MV_DDR_FREQ_333;
 409                         break;
 410                 case 0x3:
 411                         DEBUG_TRAINING_ACCESS(DEBUG_LEVEL_ERROR,
 412                                               ("Warning: Unsupported freq mode for 400Mhz configured(%d)\n",
 413                                               reg));
 414                         /* fallthrough */
 415                 case 0x2:
 416                         *freq = MV_DDR_FREQ_400;
 417                         break;
 418                 case 0xd:
 419                         DEBUG_TRAINING_ACCESS(DEBUG_LEVEL_ERROR,
 420                                               ("Warning: Unsupported freq mode for 533Mhz configured(%d)\n",
 421                                               reg));
 422                         /* fallthrough */
 423                 case 0x4:
 424                         *freq = MV_DDR_FREQ_533;
 425                         break;
 426                 case 0x6:
 427                         *freq = MV_DDR_FREQ_600;
 428                         break;
 429                 case 0x11:
 430                 case 0x14:
 431                         DEBUG_TRAINING_ACCESS(DEBUG_LEVEL_ERROR,
 432                                               ("Warning: Unsupported freq mode for 667Mhz configured(%d)\n",
 433                                               reg));
 434                         /* fallthrough */
 435                 case 0x8:
 436                         *freq = MV_DDR_FREQ_667;
 437                         break;
 438                 case 0x15:
 439                 case 0x1b:
 440                         DEBUG_TRAINING_ACCESS(DEBUG_LEVEL_ERROR,
 441                                               ("Warning: Unsupported freq mode for 800Mhz configured(%d)\n",
 442                                               reg));
 443                         /* fallthrough */
 444                 case 0xc:
 445                         *freq = MV_DDR_FREQ_800;
 446                         break;
 447                 case 0x10:
 448                         *freq = MV_DDR_FREQ_933;
 449                         break;
 450                 case 0x12:
 451                         *freq = MV_DDR_FREQ_900;
 452                         break;
 453                 case 0x13:
 454                         *freq = MV_DDR_FREQ_933;
 455                         break;
 456                 default:
 457                         *freq = 0;
 458                         return MV_NOT_SUPPORTED;
 459                 }
 460         } else { /* REFCLK 40MHz case */
 461                 switch (reg) {
 462                 case 0x3:
 463                         *freq = MV_DDR_FREQ_400;
 464                         break;
 465                 case 0x5:
 466                         *freq = MV_DDR_FREQ_533;
 467                         break;
 468                 case 0xb:
 469                         *freq = MV_DDR_FREQ_800;
 470                         break;
 471                 case 0x1e:
 472                         *freq = MV_DDR_FREQ_900;
 473                         break;
 474                 default:
 475                         *freq = 0;
 476                         return MV_NOT_SUPPORTED;
 477                 }
 478         }
 479
 480         return MV_OK;
 481 }
 482
 483 static int ddr3_tip_a38x_get_medium_freq(int dev_num, enum mv_ddr_freq *freq)
 484 {
 485         u32 reg, ref_clk_satr;
 486
 487         /* Read sample at reset setting */
 488         reg = (reg_read(REG_DEVICE_SAR1_ADDR) >>
 489         RST2_CPU_DDR_CLOCK_SELECT_IN_OFFSET) &
 490         RST2_CPU_DDR_CLOCK_SELECT_IN_MASK;
 491
 492         ref_clk_satr = reg_read(DEVICE_SAMPLE_AT_RESET2_REG);
 493         if (((ref_clk_satr >> DEVICE_SAMPLE_AT_RESET2_REG_REFCLK_OFFSET) & 0x1) ==
 494             DEVICE_SAMPLE_AT_RESET2_REG_REFCLK_25MHZ) {
 495                 switch (reg) {
 496                 case 0x0:
 497                 case 0x1:
 498                         /* Medium is same as TF to run PBS in this freq */
 499                         *freq = MV_DDR_FREQ_333;
 500                         break;
 501                 case 0x2:
 502                 case 0x3:
 503                         /* Medium is same as TF to run PBS in this freq */
 504                         *freq = MV_DDR_FREQ_400;
 505                         break;
 506                 case 0x4:
 507                 case 0xd:
 508                         /* Medium is same as TF to run PBS in this freq */
 509                         *freq = MV_DDR_FREQ_533;
 510                         break;
 511                 case 0x8:
 512                 case 0x10:
 513                 case 0x11:
 514                 case 0x14:
 515                         *freq = MV_DDR_FREQ_333;
 516                         break;
 517                 case 0xc:
 518                 case 0x15:
 519                 case 0x1b:
 520                         *freq = MV_DDR_FREQ_400;
 521                         break;
 522                 case 0x6:
 523                         *freq = MV_DDR_FREQ_300;
 524                         break;
 525                 case 0x12:
 526                         *freq = MV_DDR_FREQ_360;
 527                         break;
 528                 case 0x13:
 529                         *freq = MV_DDR_FREQ_400;
 530                         break;
 531                 default:
 532                         *freq = 0;
 533                         return MV_NOT_SUPPORTED;
 534                 }
 535         } else { /* REFCLK 40MHz case */
 536                 switch (reg) {
 537                 case 0x3:
 538                         /* Medium is same as TF to run PBS in this freq */
 539                         *freq = MV_DDR_FREQ_400;
 540                         break;
 541                 case 0x5:
 542                         /* Medium is same as TF to run PBS in this freq */
 543                         *freq = MV_DDR_FREQ_533;
 544                         break;
 545                 case 0xb:
 546                         *freq = MV_DDR_FREQ_400;
 547                         break;
 548                 case 0x1e:
 549                         *freq = MV_DDR_FREQ_360;
 550                         break;
 551                 default:
 552                         *freq = 0;
 553                         return MV_NOT_SUPPORTED;
 554                 }
 555         }
 556
 557         return MV_OK;
 558 }
 559
 560 static int ddr3_tip_a38x_get_device_info(u8 dev_num, struct ddr3_device_info *info_ptr)
 561 {
 562 #if defined(CONFIG_ARMADA_39X)
 563         info_ptr->device_id = 0x6900;
 564 #else
 565         info_ptr->device_id = 0x6800;
 566 #endif
 567         info_ptr->ck_delay = ck_delay;
 568
 569         return MV_OK;
 570 }
 571
 572 /* check indirect access to phy register file completed */
 573 static int is_prfa_done(void)
 574 {
 575         u32 reg_val;
 576         u32 iter = 0;
 577
 578         do {
 579                 if (iter++ > MAX_POLLING_ITERATIONS) {
 580                         printf("error: %s: polling timeout\n", __func__);
 581                         return MV_FAIL;
 582                 }
 583                 dunit_read(PHY_REG_FILE_ACCESS_REG, MASK_ALL_BITS, &reg_val);
 584                 reg_val >>= PRFA_REQ_OFFS;
 585                 reg_val &= PRFA_REQ_MASK;
 586         } while (reg_val == PRFA_REQ_ENA); /* request pending */
 587
 588         return MV_OK;
 589 }
 590
 591 /* write to phy register thru indirect access */
 592 static int prfa_write(enum hws_access_type phy_access, u32 phy,
 593                       enum hws_ddr_phy phy_type, u32 addr,
 594                       u32 data, enum hws_operation op_type)
 595 {
 596         u32 reg_val = ((data & PRFA_DATA_MASK) << PRFA_DATA_OFFS) |
 597                       ((addr & PRFA_REG_NUM_MASK) << PRFA_REG_NUM_OFFS) |
 598                       ((phy & PRFA_PUP_NUM_MASK) << PRFA_PUP_NUM_OFFS) |
 599                       ((phy_type & PRFA_PUP_CTRL_DATA_MASK) << PRFA_PUP_CTRL_DATA_OFFS) |
 600                       ((phy_access & PRFA_PUP_BCAST_WR_ENA_MASK) << PRFA_PUP_BCAST_WR_ENA_OFFS) |
 601                       (((addr >> 6) & PRFA_REG_NUM_HI_MASK) << PRFA_REG_NUM_HI_OFFS) |
 602                       ((op_type & PRFA_TYPE_MASK) << PRFA_TYPE_OFFS);
 603         dunit_write(PHY_REG_FILE_ACCESS_REG, MASK_ALL_BITS, reg_val);
 604         reg_val |= (PRFA_REQ_ENA << PRFA_REQ_OFFS);
 605         dunit_write(PHY_REG_FILE_ACCESS_REG, MASK_ALL_BITS, reg_val);
 606
 607         /* polling for prfa request completion */
 608         if (is_prfa_done() != MV_OK)
 609                 return MV_FAIL;
 610
 611         return MV_OK;
 612 }
 613
 614 /* read from phy register thru indirect access */
 615 static int prfa_read(enum hws_access_type phy_access, u32 phy,
 616                      enum hws_ddr_phy phy_type, u32 addr, u32 *data)
 617 {
 618         struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get();
 619         u32 max_phy = ddr3_tip_dev_attr_get(0, MV_ATTR_OCTET_PER_INTERFACE);
 620         u32 i, reg_val;
 621
 622         if (phy_access == ACCESS_TYPE_MULTICAST) {
 623                 for (i = 0; i < max_phy; i++) {
 624                         VALIDATE_BUS_ACTIVE(tm->bus_act_mask, i);
 625                         if (prfa_write(ACCESS_TYPE_UNICAST, i, phy_type, addr, 0, OPERATION_READ) != MV_OK)
 626                                 return MV_FAIL;
 627                         dunit_read(PHY_REG_FILE_ACCESS_REG, MASK_ALL_BITS, &reg_val);
 628                         data[i] = (reg_val >> PRFA_DATA_OFFS) & PRFA_DATA_MASK;
 629                 }
 630         } else {
 631                 if (prfa_write(phy_access, phy, phy_type, addr, 0, OPERATION_READ) != MV_OK)
 632                         return MV_FAIL;
 633                 dunit_read(PHY_REG_FILE_ACCESS_REG, MASK_ALL_BITS, &reg_val);
 634                 *data = (reg_val >> PRFA_DATA_OFFS) & PRFA_DATA_MASK;
 635         }
 636
 637         return MV_OK;
 638 }
 639
 640 static int mv_ddr_sw_db_init(u32 dev_num, u32 board_id)
 641 {
 642         struct hws_tip_config_func_db config_func;
 643
 644         /* new read leveling version */
 645         config_func.mv_ddr_dunit_read = dunit_read;
 646         config_func.mv_ddr_dunit_write = dunit_write;
 647         config_func.tip_dunit_mux_select_func =
 648                 ddr3_tip_a38x_select_ddr_controller;
 649         config_func.tip_get_freq_config_info_func =
 650                 ddr3_tip_a38x_get_freq_config;
 651         config_func.tip_set_freq_divider_func = ddr3_tip_a38x_set_divider;
 652         config_func.tip_get_device_info_func = ddr3_tip_a38x_get_device_info;
 653         config_func.tip_get_temperature = ddr3_ctrl_get_junc_temp;
 654         config_func.tip_get_clock_ratio = ddr3_tip_clock_mode;
 655         config_func.tip_external_read = ddr3_tip_ext_read;
 656         config_func.tip_external_write = ddr3_tip_ext_write;
 657         config_func.mv_ddr_phy_read = prfa_read;
 658         config_func.mv_ddr_phy_write = prfa_write;
 659
 660         ddr3_tip_init_config_func(dev_num, &config_func);
 661
 662         ddr3_tip_register_dq_table(dev_num, dq_bit_map_2_phy_pin);
 663
 664         /* set device attributes*/
 665         ddr3_tip_dev_attr_init(dev_num);
 666         ddr3_tip_dev_attr_set(dev_num, MV_ATTR_TIP_REV, MV_TIP_REV_4);
 667         ddr3_tip_dev_attr_set(dev_num, MV_ATTR_PHY_EDGE, MV_DDR_PHY_EDGE_POSITIVE);
 668         ddr3_tip_dev_attr_set(dev_num, MV_ATTR_OCTET_PER_INTERFACE, DDR_INTERFACE_OCTETS_NUM);
 669 #ifdef CONFIG_ARMADA_39X
 670         ddr3_tip_dev_attr_set(dev_num, MV_ATTR_INTERLEAVE_WA, 1);
 671 #else
 672         ddr3_tip_dev_attr_set(dev_num, MV_ATTR_INTERLEAVE_WA, 0);
 673 #endif
 674
 675         ca_delay = 0;
 676         delay_enable = 1;
 677         dfs_low_freq = DFS_LOW_FREQ_VALUE;
 678         calibration_update_control = 1;
 679
 680         ddr3_tip_a38x_get_medium_freq(dev_num, &medium_freq);
 681
 682         return MV_OK;
 683 }
 684
 685 static int mv_ddr_training_mask_set(void)
 686 {
 687         struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get();
 688         enum mv_ddr_freq ddr_freq = tm->interface_params[0].memory_freq;
 689
 690         mask_tune_func = (SET_LOW_FREQ_MASK_BIT |
 691                           LOAD_PATTERN_MASK_BIT |
 692                           SET_MEDIUM_FREQ_MASK_BIT | WRITE_LEVELING_MASK_BIT |
 693                           WRITE_LEVELING_SUPP_MASK_BIT |
 694                           READ_LEVELING_MASK_BIT |
 695                           PBS_RX_MASK_BIT |
 696                           PBS_TX_MASK_BIT |
 697                           SET_TARGET_FREQ_MASK_BIT |
 698                           WRITE_LEVELING_TF_MASK_BIT |
 699                           WRITE_LEVELING_SUPP_TF_MASK_BIT |
 700                           READ_LEVELING_TF_MASK_BIT |
 701                           CENTRALIZATION_RX_MASK_BIT |
 702                           CENTRALIZATION_TX_MASK_BIT);
 703         rl_mid_freq_wa = 1;
 704
 705         if ((ddr_freq == MV_DDR_FREQ_333) || (ddr_freq == MV_DDR_FREQ_400)) {
 706                 mask_tune_func = (WRITE_LEVELING_MASK_BIT |
 707                                   LOAD_PATTERN_2_MASK_BIT |
 708                                   WRITE_LEVELING_SUPP_MASK_BIT |
 709                                   READ_LEVELING_MASK_BIT |
 710                                   PBS_RX_MASK_BIT |
 711                                   PBS_TX_MASK_BIT |
 712                                   CENTRALIZATION_RX_MASK_BIT |
 713                                   CENTRALIZATION_TX_MASK_BIT);
 714                 rl_mid_freq_wa = 0; /* WA not needed if 333/400 is TF */
 715         }
 716
 717         /* Supplementary not supported for ECC modes */
 718         if (mv_ddr_is_ecc_ena()) {
 719                 mask_tune_func &= ~WRITE_LEVELING_SUPP_TF_MASK_BIT;
 720                 mask_tune_func &= ~WRITE_LEVELING_SUPP_MASK_BIT;
 721                 mask_tune_func &= ~PBS_TX_MASK_BIT;
 722                 mask_tune_func &= ~PBS_RX_MASK_BIT;
 723         }
 724
 725         return MV_OK;
 726 }
 727
 728 /* function: mv_ddr_set_calib_controller
 729  * this function sets the controller which will control
 730  * the calibration cycle in the end of the training.
 731  * 1 - internal controller
 732  * 2 - external controller
 733  */
 734 void mv_ddr_set_calib_controller(void)
 735 {
 736         calibration_update_control = CAL_UPDATE_CTRL_INT;
 737 }
 738
 739 static int ddr3_tip_a38x_set_divider(u8 dev_num, u32 if_id,
 740                                      enum mv_ddr_freq frequency)
 741 {
 742         u32 divider = 0;
 743         u32 sar_val, ref_clk_satr;
 744         u32 async_val;
 745         u32 freq = mv_ddr_freq_get(frequency);
 746
 747         if (if_id != 0) {
 748                 DEBUG_TRAINING_ACCESS(DEBUG_LEVEL_ERROR,
 749                                       ("A38x does not support interface 0x%x\n",
 750                                        if_id));
 751                 return MV_BAD_PARAM;
 752         }
 753
 754         /* get VCO freq index */
 755         sar_val = (reg_read(REG_DEVICE_SAR1_ADDR) >>
 756                    RST2_CPU_DDR_CLOCK_SELECT_IN_OFFSET) &
 757                 RST2_CPU_DDR_CLOCK_SELECT_IN_MASK;
 758
 759         ref_clk_satr = reg_read(DEVICE_SAMPLE_AT_RESET2_REG);
 760         if (((ref_clk_satr >> DEVICE_SAMPLE_AT_RESET2_REG_REFCLK_OFFSET) & 0x1) ==
 761             DEVICE_SAMPLE_AT_RESET2_REG_REFCLK_25MHZ)
 762                 divider = a38x_vco_freq_per_sar_ref_clk_25_mhz[sar_val] / freq;
 763         else
 764                 divider = a38x_vco_freq_per_sar_ref_clk_40_mhz[sar_val] / freq;
 765
 766         if ((async_mode_at_tf == 1) && (freq > 400)) {
 767                 /* Set async mode */
 768                 dunit_write(0x20220, 0x1000, 0x1000);
 769                 dunit_write(0xe42f4, 0x200, 0x200);
 770
 771                 /* Wait for async mode setup */
 772                 mdelay(5);
 773
 774                 /* Set KNL values */
 775                 switch (frequency) {
 776                 case MV_DDR_FREQ_467:
 777                         async_val = 0x806f012;
 778                         break;
 779                 case MV_DDR_FREQ_533:
 780                         async_val = 0x807f012;
 781                         break;
 782                 case MV_DDR_FREQ_600:
 783                         async_val = 0x805f00a;
 784                         break;
 785                 case MV_DDR_FREQ_667:
 786                         async_val = 0x809f012;
 787                         break;
 788                 case MV_DDR_FREQ_800:
 789                         async_val = 0x807f00a;
 790                         break;
 791                 case MV_DDR_FREQ_850:
 792                         async_val = 0x80cb012;
 793                         break;
 794                 case MV_DDR_FREQ_900:
 795                         async_val = 0x80d7012;
 796                         break;
 797                 case MV_DDR_FREQ_933:
 798                         async_val = 0x80df012;
 799                         break;
 800                 case MV_DDR_FREQ_1000:
 801                         async_val = 0x80ef012;
 802                         break;
 803                 case MV_DDR_FREQ_1066:
 804                         async_val = 0x80ff012;
 805                         break;
 806                 default:
 807                         /* set MV_DDR_FREQ_667 as default */
 808                         async_val = 0x809f012;
 809                 }
 810                 dunit_write(0xe42f0, 0xffffffff, async_val);
 811         } else {
 812                 /* Set sync mode */
 813                 dunit_write(0x20220, 0x1000, 0x0);
 814                 dunit_write(0xe42f4, 0x200, 0x0);
 815
 816                 /* cpupll_clkdiv_reset_mask */
 817                 dunit_write(0xe4264, 0xff, 0x1f);
 818
 819                 /* cpupll_clkdiv_reload_smooth */
 820                 dunit_write(0xe4260, (0xff << 8), (0x2 << 8));
 821
 822                 /* cpupll_clkdiv_relax_en */
 823                 dunit_write(0xe4260, (0xff << 24), (0x2 << 24));
 824
 825                 /* write the divider */
 826                 dunit_write(0xe4268, (0x3f << 8), (divider << 8));
 827
 828                 /* set cpupll_clkdiv_reload_ratio */
 829                 dunit_write(0xe4264, (1 << 8), (1 << 8));
 830
 831                 /* undet cpupll_clkdiv_reload_ratio */
 832                 dunit_write(0xe4264, (1 << 8), 0x0);
 833
 834                 /* clear cpupll_clkdiv_reload_force */
 835                 dunit_write(0xe4260, (0xff << 8), 0x0);
 836
 837                 /* clear cpupll_clkdiv_relax_en */
 838                 dunit_write(0xe4260, (0xff << 24), 0x0);
 839
 840                 /* clear cpupll_clkdiv_reset_mask */
 841                 dunit_write(0xe4264, 0xff, 0x0);
 842         }
 843
 844         /* Dunit training clock + 1:1/2:1 mode */
 845         dunit_write(0x18488, (1 << 16), ((ddr3_tip_clock_mode(frequency) & 0x1) << 16));
 846         dunit_write(0x1524, (1 << 15), ((ddr3_tip_clock_mode(frequency) - 1) << 15));
 847
 848         return MV_OK;
 849 }
 850
 851 /*
 852  * external read from memory
 853  */
 854 int ddr3_tip_ext_read(u32 dev_num, u32 if_id, u32 reg_addr,
 855                       u32 num_of_bursts, u32 *data)
 856 {
 857         u32 burst_num;
 858
 859         for (burst_num = 0; burst_num < num_of_bursts * 8; burst_num++)
 860                 data[burst_num] = readl(reg_addr + 4 * burst_num);
 861
 862         return MV_OK;
 863 }
 864
 865 /*
 866  * external write to memory
 867  */
 868 int ddr3_tip_ext_write(u32 dev_num, u32 if_id, u32 reg_addr,
 869                        u32 num_of_bursts, u32 *data) {
 870         u32 burst_num;
 871
 872         for (burst_num = 0; burst_num < num_of_bursts * 8; burst_num++)
 873                 writel(data[burst_num], reg_addr + 4 * burst_num);
 874
 875         return MV_OK;
 876 }
 877
 878 int mv_ddr_early_init(void)
 879 {
 880         struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get();
 881
 882         /* FIXME: change this configuration per ddr type
 883          * configure a380 and a390 to work with receiver odt timing
 884          * the odt_config is defined:
 885          * '1' in ddr4
 886          * '0' in ddr3
 887          * here the parameter is run over in ddr4 and ddr3 to '1' (in ddr4 the default is '1')
 888          * to configure the odt to work with timing restrictions
 889          */
 890
 891         mv_ddr_sw_db_init(0, 0);
 892
 893         if (tm->interface_params[0].memory_freq != MV_DDR_FREQ_SAR)
 894                 async_mode_at_tf = 1;
 895
 896         return MV_OK;
 897 }
 898
 899 int mv_ddr_early_init2(void)
 900 {
 901         mv_ddr_training_mask_set();
 902
 903         return MV_OK;
 904 }
 905
 906 int mv_ddr_pre_training_fixup(void)
 907 {
 908         return 0;
 909 }
 910
 911 int mv_ddr_post_training_fixup(void)
 912 {
 913         return 0;
 914 }
 915
 916 int ddr3_post_run_alg(void)
 917 {
 918         return MV_OK;
 919 }
 920
 921 int ddr3_silicon_post_init(void)
 922 {
 923         struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get();
 924
 925         /* Set half bus width */
 926         if (DDR3_IS_16BIT_DRAM_MODE(tm->bus_act_mask)) {
 927                 CHECK_STATUS(ddr3_tip_if_write
 928                              (0, ACCESS_TYPE_UNICAST, PARAM_NOT_CARE,
 929                               SDRAM_CFG_REG, 0x0, 0x8000));
 930         }
 931
 932         return MV_OK;
 933 }
 934
 935 u32 mv_ddr_init_freq_get(void)
 936 {
 937         enum mv_ddr_freq freq;
 938
 939         mv_ddr_sar_freq_get(0, &freq);
 940
 941         return freq;
 942 }
 943
 944 static u32 ddr3_get_bus_width(void)
 945 {
 946         u32 bus_width;
 947
 948         bus_width = (reg_read(SDRAM_CFG_REG) & 0x8000) >>
 949                 BUS_IN_USE_OFFS;
 950
 951         return (bus_width == 0) ? 16 : 32;
 952 }
 953
 954 static u32 ddr3_get_device_width(u32 cs)
 955 {
 956         u32 device_width;
 957
 958         device_width = (reg_read(SDRAM_ADDR_CTRL_REG) &
 959                         (CS_STRUCT_MASK << CS_STRUCT_OFFS(cs))) >>
 960                         CS_STRUCT_OFFS(cs);
 961
 962         return (device_width == 0) ? 8 : 16;
 963 }
 964
 965 static u32 ddr3_get_device_size(u32 cs)
 966 {
 967         u32 device_size_low, device_size_high, device_size;
 968         u32 data, cs_low_offset, cs_high_offset;
 969
 970         cs_low_offset = CS_SIZE_OFFS(cs);
 971         cs_high_offset = CS_SIZE_HIGH_OFFS(cs);
 972
 973         data = reg_read(SDRAM_ADDR_CTRL_REG);
 974         device_size_low = (data >> cs_low_offset) & 0x3;
 975         device_size_high = (data >> cs_high_offset) & 0x1;
 976
 977         device_size = device_size_low | (device_size_high << 2);
 978
 979         switch (device_size) {
 980         case 0:
 981                 return 2048;
 982         case 2:
 983                 return 512;
 984         case 3:
 985                 return 1024;
 986         case 4:
 987                 return 4096;
 988         case 5:
 989                 return 8192;
 990         case 1:
 991         default:
 992                 DEBUG_INIT_C("Error: Wrong device size of Cs: ", cs, 1);
 993                 /* zeroes mem size in ddr3_calc_mem_cs_size */
 994                 return 0;
 995         }
 996 }
 997
 998 int ddr3_calc_mem_cs_size(u32 cs, uint64_t *cs_size)
 999 {
1000         u32 cs_mem_size;
1001
1002         /* Calculate in MiB */
1003         cs_mem_size = ((ddr3_get_bus_width() / ddr3_get_device_width(cs)) *
1004                        ddr3_get_device_size(cs)) / 8;
1005
1006         /*
1007          * Multiple controller bus width, 2x for 64 bit
1008          * (SoC controller may be 32 or 64 bit,
1009          * so bit 15 in 0x1400, that means if whole bus used or only half,
1010          * have a differnt meaning
1011          */
1012         cs_mem_size *= DDR_CONTROLLER_BUS_WIDTH_MULTIPLIER;
1013
1014         if ((cs_mem_size < 128) || (cs_mem_size > 4096)) {
1015                 DEBUG_INIT_C("Error: Wrong Memory size of Cs: ", cs, 1);
1016                 return MV_BAD_VALUE;
1017         }
1018
1019         *cs_size = cs_mem_size << 20; /* write cs size in bytes */
1020
1021         return MV_OK;
1022 }
1023
1024 static int ddr3_fast_path_dynamic_cs_size_config(u32 cs_ena)
1025 {
1026         u32 reg, cs;
1027         uint64_t mem_total_size = 0;
1028         uint64_t cs_mem_size = 0;
1029         uint64_t mem_total_size_c, cs_mem_size_c;
1030
1031 #ifdef DEVICE_MAX_DRAM_ADDRESS_SIZE
1032         u32 physical_mem_size;
1033         u32 max_mem_size = DEVICE_MAX_DRAM_ADDRESS_SIZE;
1034         struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get();
1035 #endif
1036
1037         /* Open fast path windows */
1038         for (cs = 0; cs < MAX_CS_NUM; cs++) {
1039                 if (cs_ena & (1 << cs)) {
1040                         /* get CS size */
1041                         if (ddr3_calc_mem_cs_size(cs, &cs_mem_size) != MV_OK)
1042                                 return MV_FAIL;
1043
1044 #ifdef DEVICE_MAX_DRAM_ADDRESS_SIZE
1045                         /*
1046                          * if number of address pins doesn't allow to use max
1047                          * mem size that is defined in topology
1048                          * mem size is defined by DEVICE_MAX_DRAM_ADDRESS_SIZE
1049                          */
1050                         physical_mem_size = mem_size
1051                                 [tm->interface_params[0].memory_size];
1052
1053                         if (ddr3_get_device_width(cs) == 16) {
1054                                 /*
1055                                  * 16bit mem device can be twice more - no need
1056                                  * in less significant pin
1057                                  */
1058                                 max_mem_size = DEVICE_MAX_DRAM_ADDRESS_SIZE * 2;
1059                         }
1060
1061                         if (physical_mem_size > max_mem_size) {
1062                                 cs_mem_size = max_mem_size *
1063                                         (ddr3_get_bus_width() /
1064                                          ddr3_get_device_width(cs));
1065                                 printf("Updated Physical Mem size is from 0x%x to %x\n",
1066                                        physical_mem_size,
1067                                        DEVICE_MAX_DRAM_ADDRESS_SIZE);
1068                         }
1069 #endif
1070
1071                         /* set fast path window control for the cs */
1072                         reg = 0xffffe1;
1073                         reg |= (cs << 2);
1074                         reg |= (cs_mem_size - 1) & 0xffff0000;
1075                         /*Open fast path Window */
1076                         reg_write(REG_FASTPATH_WIN_CTRL_ADDR(cs), reg);
1077
1078                         /* Set fast path window base address for the cs */
1079                         reg = ((cs_mem_size) * cs) & 0xffff0000;
1080                         /* Set base address */
1081                         reg_write(REG_FASTPATH_WIN_BASE_ADDR(cs), reg);
1082
1083                         /*
1084                          * Since memory size may be bigger than 4G the summ may
1085                          * be more than 32 bit word,
1086                          * so to estimate the result divide mem_total_size and
1087                          * cs_mem_size by 0x10000 (it is equal to >> 16)
1088                          */
1089                         mem_total_size_c = (mem_total_size >> 16) & 0xffffffffffff;
1090                         cs_mem_size_c = (cs_mem_size >> 16) & 0xffffffffffff;
1091                         /* if the sum less than 2 G - calculate the value */
1092                         if (mem_total_size_c + cs_mem_size_c < 0x10000)
1093                                 mem_total_size += cs_mem_size;
1094                         else    /* put max possible size */
1095                                 mem_total_size = L2_FILTER_FOR_MAX_MEMORY_SIZE;
1096                 }
1097         }
1098
1099         /* Set L2 filtering to Max Memory size */
1100         reg_write(ADDRESS_FILTERING_END_REGISTER, mem_total_size);
1101
1102         return MV_OK;
1103 }
1104
1105 static int ddr3_restore_and_set_final_windows(u32 *win, const char *ddr_type)
1106 {
1107         u32 win_ctrl_reg, num_of_win_regs;
1108         u32 cs_ena = mv_ddr_sys_env_get_cs_ena_from_reg();
1109         u32 ui;
1110
1111         win_ctrl_reg = REG_XBAR_WIN_4_CTRL_ADDR;
1112         num_of_win_regs = 16;
1113
1114         /* Return XBAR windows 4-7 or 16-19 init configuration */
1115         for (ui = 0; ui < num_of_win_regs; ui++)
1116                 reg_write((win_ctrl_reg + 0x4 * ui), win[ui]);
1117
1118         printf("%s Training Sequence - Switching XBAR Window to FastPath Window\n",
1119                ddr_type);
1120
1121 #if defined DYNAMIC_CS_SIZE_CONFIG
1122         if (ddr3_fast_path_dynamic_cs_size_config(cs_ena) != MV_OK)
1123                 printf("ddr3_fast_path_dynamic_cs_size_config FAILED\n");
1124 #else
1125         u32 reg, cs;
1126         reg = 0x1fffffe1;
1127         for (cs = 0; cs < MAX_CS_NUM; cs++) {
1128                 if (cs_ena & (1 << cs)) {
1129                         reg |= (cs << 2);
1130                         break;
1131                 }
1132         }
1133         /* Open fast path Window to - 0.5G */
1134         reg_write(REG_FASTPATH_WIN_CTRL_ADDR(0), reg);
1135 #endif
1136
1137         return MV_OK;
1138 }
1139
1140 static int ddr3_save_and_set_training_windows(u32 *win)
1141 {
1142         u32 cs_ena;
1143         u32 reg, tmp_count, cs, ui;
1144         u32 win_ctrl_reg, win_base_reg, win_remap_reg;
1145         u32 num_of_win_regs, win_jump_index;
1146         win_ctrl_reg = REG_XBAR_WIN_4_CTRL_ADDR;
1147         win_base_reg = REG_XBAR_WIN_4_BASE_ADDR;
1148         win_remap_reg = REG_XBAR_WIN_4_REMAP_ADDR;
1149         win_jump_index = 0x10;
1150         num_of_win_regs = 16;
1151         struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get();
1152
1153 #ifdef DISABLE_L2_FILTERING_DURING_DDR_TRAINING
1154         /*
1155          * Disable L2 filtering during DDR training
1156          * (when Cross Bar window is open)
1157          */
1158         reg_write(ADDRESS_FILTERING_END_REGISTER, 0);
1159 #endif
1160
1161         cs_ena = tm->interface_params[0].as_bus_params[0].cs_bitmask;
1162
1163         /* Close XBAR Window 19 - Not needed */
1164         /* {0x000200e8}  -   Open Mbus Window - 2G */
1165         reg_write(REG_XBAR_WIN_19_CTRL_ADDR, 0);
1166
1167         /* Save XBAR Windows 4-19 init configurations */
1168         for (ui = 0; ui < num_of_win_regs; ui++)
1169                 win[ui] = reg_read(win_ctrl_reg + 0x4 * ui);
1170
1171         /* Open XBAR Windows 4-7 or 16-19 for other CS */
1172         reg = 0;
1173         tmp_count = 0;
1174         for (cs = 0; cs < MAX_CS_NUM; cs++) {
1175                 if (cs_ena & (1 << cs)) {
1176                         switch (cs) {
1177                         case 0:
1178                                 reg = 0x0e00;
1179                                 break;
1180                         case 1:
1181                                 reg = 0x0d00;
1182                                 break;
1183                         case 2:
1184                                 reg = 0x0b00;
1185                                 break;
1186                         case 3:
1187                                 reg = 0x0700;
1188                                 break;
1189                         }
1190                         reg |= (1 << 0);
1191                         reg |= (SDRAM_CS_SIZE & 0xffff0000);
1192
1193                         reg_write(win_ctrl_reg + win_jump_index * tmp_count,
1194                                   reg);
1195                         reg = (((SDRAM_CS_SIZE + 1) * (tmp_count)) &
1196                                0xffff0000);
1197                         reg_write(win_base_reg + win_jump_index * tmp_count,
1198                                   reg);
1199
1200                         if (win_remap_reg <= REG_XBAR_WIN_7_REMAP_ADDR)
1201                                 reg_write(win_remap_reg +
1202                                           win_jump_index * tmp_count, 0);
1203
1204                         tmp_count++;
1205                 }
1206         }
1207
1208         return MV_OK;
1209 }
1210
1211 static u32 win[16];
1212
1213 int mv_ddr_pre_training_soc_config(const char *ddr_type)
1214 {
1215         u32 soc_num;
1216         u32 reg_val;
1217
1218         /* Switching CPU to MRVL ID */
1219         soc_num = (reg_read(REG_SAMPLE_RESET_HIGH_ADDR) & SAR1_CPU_CORE_MASK) >>
1220                 SAR1_CPU_CORE_OFFSET;
1221         switch (soc_num) {
1222         case 0x3:
1223                 reg_bit_set(CPU_CONFIGURATION_REG(3), CPU_MRVL_ID_OFFSET);
1224                 reg_bit_set(CPU_CONFIGURATION_REG(2), CPU_MRVL_ID_OFFSET);
1225                 /* fallthrough */
1226         case 0x1:
1227                 reg_bit_set(CPU_CONFIGURATION_REG(1), CPU_MRVL_ID_OFFSET);
1228                 /* fallthrough */
1229         case 0x0:
1230                 reg_bit_set(CPU_CONFIGURATION_REG(0), CPU_MRVL_ID_OFFSET);
1231                 /* fallthrough */
1232         default:
1233                 break;
1234         }
1235
1236         /*
1237          * Set DRAM Reset Mask in case detected GPIO indication of wakeup from
1238          * suspend i.e the DRAM values will not be overwritten / reset when
1239          * waking from suspend
1240          */
1241         if (mv_ddr_sys_env_suspend_wakeup_check() ==
1242             SUSPEND_WAKEUP_ENABLED_GPIO_DETECTED) {
1243                 reg_bit_set(SDRAM_INIT_CTRL_REG,
1244                             DRAM_RESET_MASK_MASKED << DRAM_RESET_MASK_OFFS);
1245         }
1246
1247         /* Check if DRAM is already initialized  */
1248         if (reg_read(REG_BOOTROM_ROUTINE_ADDR) &
1249             (1 << REG_BOOTROM_ROUTINE_DRAM_INIT_OFFS)) {
1250                 printf("%s Training Sequence - 2nd boot - Skip\n", ddr_type);
1251                 return MV_OK;
1252         }
1253
1254         /* Fix read ready phases for all SOC in reg 0x15c8 */
1255         reg_val = reg_read(TRAINING_DBG_3_REG);
1256
1257         reg_val &= ~(TRN_DBG_RDY_INC_PH_2TO1_MASK << TRN_DBG_RDY_INC_PH_2TO1_OFFS(0));
1258         reg_val |= (0x4 << TRN_DBG_RDY_INC_PH_2TO1_OFFS(0));    /* phase 0 */
1259
1260         reg_val &= ~(TRN_DBG_RDY_INC_PH_2TO1_MASK << TRN_DBG_RDY_INC_PH_2TO1_OFFS(1));
1261         reg_val |= (0x4 << TRN_DBG_RDY_INC_PH_2TO1_OFFS(1));    /* phase 1 */
1262
1263         reg_val &= ~(TRN_DBG_RDY_INC_PH_2TO1_MASK << TRN_DBG_RDY_INC_PH_2TO1_OFFS(3));
1264         reg_val |= (0x6 << TRN_DBG_RDY_INC_PH_2TO1_OFFS(3));    /* phase 3 */
1265
1266         reg_val &= ~(TRN_DBG_RDY_INC_PH_2TO1_MASK << TRN_DBG_RDY_INC_PH_2TO1_OFFS(4));
1267         reg_val |= (0x6 << TRN_DBG_RDY_INC_PH_2TO1_OFFS(4));    /* phase 4 */
1268
1269         reg_val &= ~(TRN_DBG_RDY_INC_PH_2TO1_MASK << TRN_DBG_RDY_INC_PH_2TO1_OFFS(5));
1270         reg_val |= (0x6 << TRN_DBG_RDY_INC_PH_2TO1_OFFS(5));    /* phase 5 */
1271
1272         reg_write(TRAINING_DBG_3_REG, reg_val);
1273
1274         /*
1275          * Axi_bresp_mode[8] = Compliant,
1276          * Axi_addr_decode_cntrl[11] = Internal,
1277          * Axi_data_bus_width[0] = 128bit
1278          * */
1279         /* 0x14a8 - AXI Control Register */
1280         reg_write(AXI_CTRL_REG, 0);
1281
1282         /*
1283          * Stage 2 - Training Values Setup
1284          */
1285         /* Set X-BAR windows for the training sequence */
1286         ddr3_save_and_set_training_windows(win);
1287
1288         return MV_OK;
1289 }
1290
1291 static int ddr3_new_tip_dlb_config(void)
1292 {
1293         u32 reg, i = 0;
1294         struct dlb_config *config_table_ptr = sys_env_dlb_config_ptr_get();
1295
1296         /* Write the configuration */
1297         while (config_table_ptr[i].reg_addr != 0) {
1298                 reg_write(config_table_ptr[i].reg_addr,
1299                           config_table_ptr[i].reg_data);
1300                 i++;
1301         }
1302
1303
1304         /* Enable DLB */
1305         reg = reg_read(DLB_CTRL_REG);
1306         reg &= ~(DLB_EN_MASK << DLB_EN_OFFS) &
1307                ~(WR_COALESCE_EN_MASK << WR_COALESCE_EN_OFFS) &
1308                ~(AXI_PREFETCH_EN_MASK << AXI_PREFETCH_EN_OFFS) &
1309                ~(MBUS_PREFETCH_EN_MASK << MBUS_PREFETCH_EN_OFFS) &
1310                ~(PREFETCH_NXT_LN_SZ_TRIG_MASK << PREFETCH_NXT_LN_SZ_TRIG_OFFS);
1311
1312         reg |= (DLB_EN_ENA << DLB_EN_OFFS) |
1313                (WR_COALESCE_EN_ENA << WR_COALESCE_EN_OFFS) |
1314                (AXI_PREFETCH_EN_ENA << AXI_PREFETCH_EN_OFFS) |
1315                (MBUS_PREFETCH_EN_ENA << MBUS_PREFETCH_EN_OFFS) |
1316                (PREFETCH_NXT_LN_SZ_TRIG_ENA << PREFETCH_NXT_LN_SZ_TRIG_OFFS);
1317
1318         reg_write(DLB_CTRL_REG, reg);
1319
1320         return MV_OK;
1321 }
1322
1323 int mv_ddr_post_training_soc_config(const char *ddr_type)
1324 {
1325         u32 reg_val;
1326
1327         /* Restore and set windows */
1328         ddr3_restore_and_set_final_windows(win, ddr_type);
1329
1330         /* Update DRAM init indication in bootROM register */
1331         reg_val = reg_read(REG_BOOTROM_ROUTINE_ADDR);
1332         reg_write(REG_BOOTROM_ROUTINE_ADDR,
1333                   reg_val | (1 << REG_BOOTROM_ROUTINE_DRAM_INIT_OFFS));
1334
1335         /* DLB config */
1336         ddr3_new_tip_dlb_config();
1337
1338         return MV_OK;
1339 }
1340
1341 void mv_ddr_mc_config(void)
1342 {
1343         /* Memory controller initializations */
1344         struct init_cntr_param init_param;
1345         int status;
1346
1347         init_param.do_mrs_phy = 1;
1348         init_param.is_ctrl64_bit = 0;
1349         init_param.init_phy = 1;
1350         init_param.msys_init = 1;
1351         status = hws_ddr3_tip_init_controller(0, &init_param);
1352         if (status != MV_OK)
1353                 printf("DDR3 init controller - FAILED 0x%x\n", status);
1354
1355         status = mv_ddr_mc_init();
1356         if (status != MV_OK)
1357                 printf("DDR3 init_sequence - FAILED 0x%x\n", status);
1358 }
1359 /* function: mv_ddr_mc_init
1360  * this function enables the dunit after init controller configuration
1361  */
1362 int mv_ddr_mc_init(void)
1363 {
1364         CHECK_STATUS(ddr3_tip_enable_init_sequence(0));
1365
1366         return MV_OK;
1367 }
1368
1369 /* function: ddr3_tip_configure_phy
1370  * configures phy and electrical parameters
1371  */
1372 int ddr3_tip_configure_phy(u32 dev_num)
1373 {
1374         u32 if_id, phy_id;
1375         u32 octets_per_if_num = ddr3_tip_dev_attr_get(dev_num, MV_ATTR_OCTET_PER_INTERFACE);
1376         struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get();
1377
1378         CHECK_STATUS(ddr3_tip_bus_write
1379                 (dev_num, ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE,
1380                 ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE, DDR_PHY_DATA,
1381                 PAD_ZRI_CAL_PHY_REG,
1382                 ((0x7f & g_zpri_data) << 7 | (0x7f & g_znri_data))));
1383         CHECK_STATUS(ddr3_tip_bus_write
1384                 (dev_num, ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE,
1385                 ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE, DDR_PHY_CONTROL,
1386                 PAD_ZRI_CAL_PHY_REG,
1387                 ((0x7f & g_zpri_ctrl) << 7 | (0x7f & g_znri_ctrl))));
1388         CHECK_STATUS(ddr3_tip_bus_write
1389                 (dev_num, ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE,
1390                 ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE, DDR_PHY_DATA,
1391                 PAD_ODT_CAL_PHY_REG,
1392                 ((0x3f & g_zpodt_data) << 6 | (0x3f & g_znodt_data))));
1393         CHECK_STATUS(ddr3_tip_bus_write
1394                 (dev_num, ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE,
1395                 ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE, DDR_PHY_CONTROL,
1396                 PAD_ODT_CAL_PHY_REG,
1397                 ((0x3f & g_zpodt_ctrl) << 6 | (0x3f & g_znodt_ctrl))));
1398
1399         CHECK_STATUS(ddr3_tip_bus_write
1400                 (dev_num, ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE,
1401                 ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE, DDR_PHY_DATA,
1402                 PAD_PRE_DISABLE_PHY_REG, 0));
1403         CHECK_STATUS(ddr3_tip_bus_write
1404                 (dev_num, ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE,
1405                 ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE, DDR_PHY_DATA,
1406                 CMOS_CONFIG_PHY_REG, 0));
1407         CHECK_STATUS(ddr3_tip_bus_write
1408                 (dev_num, ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE,
1409                 ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE, DDR_PHY_CONTROL,
1410                 CMOS_CONFIG_PHY_REG, 0));
1411
1412         for (if_id = 0; if_id <= MAX_INTERFACE_NUM - 1; if_id++) {
1413                 /* check if the interface is enabled */
1414                 VALIDATE_IF_ACTIVE(tm->if_act_mask, if_id);
1415
1416                 for (phy_id = 0;
1417                         phy_id < octets_per_if_num;
1418                         phy_id++) {
1419                                 VALIDATE_BUS_ACTIVE(tm->bus_act_mask, phy_id);
1420                                 /* Vref & clamp */
1421                                 CHECK_STATUS(ddr3_tip_bus_read_modify_write
1422                                         (dev_num, ACCESS_TYPE_UNICAST,
1423                                         if_id, phy_id, DDR_PHY_DATA,
1424                                         PAD_CFG_PHY_REG,
1425                                         ((clamp_tbl[if_id] << 4) | vref_init_val),
1426                                         ((0x7 << 4) | 0x7)));
1427                                 /* clamp not relevant for control */
1428                                 CHECK_STATUS(ddr3_tip_bus_read_modify_write
1429                                         (dev_num, ACCESS_TYPE_UNICAST,
1430                                         if_id, phy_id, DDR_PHY_CONTROL,
1431                                         PAD_CFG_PHY_REG, 0x4, 0x7));
1432                 }
1433         }
1434
1435         if (ddr3_tip_dev_attr_get(dev_num, MV_ATTR_PHY_EDGE) ==
1436                 MV_DDR_PHY_EDGE_POSITIVE)
1437                 CHECK_STATUS(ddr3_tip_bus_write
1438                 (dev_num, ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE,
1439                 ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE,
1440                 DDR_PHY_DATA, 0x90, 0x6002));
1441
1442
1443         return MV_OK;
1444 }
1445
1446
1447 int mv_ddr_manual_cal_do(void)
1448 {
1449         return 0;
1450 }