1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright (C) 2020 Marvell International Ltd. 4 */ 5 6#ifndef __CVMX_MIO_EMM_DEFS_H__ 7#define __CVMX_MIO_EMM_DEFS_H__ 8 9static inline u64 MIO_EMM_DMA_FIFO_CFG(void) 10{ 11 return 0x160; 12} 13 14static inline u64 MIO_EMM_DMA_FIFO_ADR(void) 15{ 16 return 0x170; 17} 18 19static inline u64 MIO_EMM_DMA_FIFO_CMD(void) 20{ 21 return 0x178; 22} 23 24static inline u64 MIO_EMM_DMA_CFG(void) 25{ 26 return 0x180; 27} 28 29static inline u64 MIO_EMM_DMA_ADR(void) 30{ 31 return 0x188; 32} 33 34static inline u64 MIO_EMM_DMA_INT(void) 35{ 36 return 0x190; 37} 38 39static inline u64 MIO_EMM_CFG(void) 40{ 41 return 0x2000; 42} 43 44static inline u64 MIO_EMM_MODEX(u64 a) 45{ 46 return 0x2008 + 8 * a; 47} 48 49static inline u64 MIO_EMM_SWITCH(void) 50{ 51 return 0x2048; 52} 53 54static inline u64 MIO_EMM_DMA(void) 55{ 56 return 0x2050; 57} 58 59static inline u64 MIO_EMM_CMD(void) 60{ 61 return 0x2058; 62} 63 64static inline u64 MIO_EMM_RSP_STS(void) 65{ 66 return 0x2060; 67} 68 69static inline u64 MIO_EMM_RSP_LO(void) 70{ 71 return 0x2068; 72} 73 74static inline u64 MIO_EMM_RSP_HI(void) 75{ 76 return 0x2070; 77} 78 79static inline u64 MIO_EMM_INT(void) 80{ 81 return 0x2078; 82} 83 84static inline u64 MIO_EMM_WDOG(void) 85{ 86 return 0x2088; 87} 88 89static inline u64 MIO_EMM_SAMPLE(void) 90{ 91 return 0x2090; 92} 93 94static inline u64 MIO_EMM_STS_MASK(void) 95{ 96 return 0x2098; 97} 98 99static inline u64 MIO_EMM_RCA(void) 100{ 101 return 0x20a0; 102} 103 104static inline u64 MIO_EMM_BUF_IDX(void) 105{ 106 return 0x20e0; 107} 108 109static inline u64 MIO_EMM_BUF_DAT(void) 110{ 111 return 0x20e8; 112} 113 114/* Dummy implementation, not documented on MIPS Octeon */ 115static inline u64 MIO_EMM_DEBUG(void) 116{ 117 return 0x20f8; 118} 119 120/** 121 * mio_emm_access_wdog 122 */ 123union mio_emm_access_wdog { 124 u64 u; 125 struct mio_emm_access_wdog_s { 126 uint64_t reserved_32_63 : 32; 127 uint64_t clk_cnt : 32; 128 } s; 129}; 130 131/** 132 * mio_emm_buf_dat 133 * 134 * MIO_EMM_BUF_DAT = MIO EMMC Data buffer access Register 135 * 136 */ 137union mio_emm_buf_dat { 138 u64 u; 139 struct mio_emm_buf_dat_s { 140 uint64_t dat : 64; 141 } s; 142}; 143 144/** 145 * mio_emm_buf_idx 146 * 147 * MIO_EMM_BUF_IDX = MIO EMMC Data buffer address Register 148 * 149 */ 150union mio_emm_buf_idx { 151 u64 u; 152 struct mio_emm_buf_idx_s { 153 uint64_t reserved_17_63 : 47; 154 uint64_t inc : 1; 155 uint64_t reserved_7_15 : 9; 156 uint64_t buf_num : 1; 157 uint64_t offset : 6; 158 } s; 159}; 160 161/** 162 * mio_emm_cfg 163 * 164 * MIO_EMM_CFG = MIO EMMC Configuration Register 165 * 166 */ 167union mio_emm_cfg { 168 u64 u; 169 struct mio_emm_cfg_s { 170 uint64_t reserved_17_63 : 47; 171 uint64_t boot_fail : 1; 172 uint64_t reserved_4_15 : 12; 173 uint64_t bus_ena : 4; 174 } s; 175}; 176 177/** 178 * mio_emm_cmd 179 * 180 * MIO_EMM_CMD = MIO EMMC Command Register 181 * 182 */ 183union mio_emm_cmd { 184 u64 u; 185 struct mio_emm_cmd_s { 186 uint64_t reserved_63_63 : 1; 187 uint64_t skip_busy : 1; 188 uint64_t bus_id : 2; 189 uint64_t cmd_val : 1; 190 uint64_t reserved_56_58 : 3; 191 uint64_t dbuf : 1; 192 uint64_t offset : 6; 193 uint64_t reserved_43_48 : 6; 194 uint64_t ctype_xor : 2; 195 uint64_t rtype_xor : 3; 196 uint64_t cmd_idx : 6; 197 uint64_t arg : 32; 198 } s; 199}; 200 201/** 202 * mio_emm_dma 203 * 204 * MIO_EMM_DMA = MIO EMMC DMA config Register 205 * 206 */ 207union mio_emm_dma { 208 u64 u; 209 struct mio_emm_dma_s { 210 uint64_t reserved_63_63 : 1; 211 uint64_t skip_busy : 1; 212 uint64_t bus_id : 2; 213 uint64_t dma_val : 1; 214 uint64_t sector : 1; 215 uint64_t dat_null : 1; 216 uint64_t thres : 6; 217 uint64_t rel_wr : 1; 218 uint64_t rw : 1; 219 uint64_t multi : 1; 220 uint64_t block_cnt : 16; 221 uint64_t card_addr : 32; 222 } s; 223}; 224 225/** 226 * mio_emm_dma_adr 227 * 228 * This register sets the address for eMMC/SD flash transfers to/from memory. Sixty-four-bit 229 * operations must be used to access this register. This register is updated by the DMA 230 * hardware and can be reloaded by the values placed in the MIO_EMM_DMA_FIFO_ADR. 231 */ 232union mio_emm_dma_adr { 233 u64 u; 234 struct mio_emm_dma_adr_s { 235 uint64_t reserved_42_63 : 22; 236 uint64_t adr : 42; 237 } s; 238}; 239 240/** 241 * mio_emm_dma_cfg 242 * 243 * This register controls the internal DMA engine used with the eMMC/SD flash controller. Sixty- 244 * four-bit operations must be used to access this register. This register is updated by the 245 * hardware DMA engine and can also be reloaded by writes to the MIO_EMM_DMA_FIFO_CMD register. 246 */ 247union mio_emm_dma_cfg { 248 u64 u; 249 struct mio_emm_dma_cfg_s { 250 uint64_t en : 1; 251 uint64_t rw : 1; 252 uint64_t clr : 1; 253 uint64_t reserved_60_60 : 1; 254 uint64_t swap32 : 1; 255 uint64_t swap16 : 1; 256 uint64_t swap8 : 1; 257 uint64_t endian : 1; 258 uint64_t size : 20; 259 uint64_t reserved_0_35 : 36; 260 } s; 261}; 262 263/** 264 * mio_emm_dma_fifo_adr 265 * 266 * This register specifies the internal address that is loaded into the eMMC internal DMA FIFO. 267 * The FIFO is used to queue up operations for the MIO_EMM_DMA_CFG/MIO_EMM_DMA_ADR when the DMA 268 * completes successfully. 269 */ 270union mio_emm_dma_fifo_adr { 271 u64 u; 272 struct mio_emm_dma_fifo_adr_s { 273 uint64_t reserved_42_63 : 22; 274 uint64_t adr : 39; 275 uint64_t reserved_0_2 : 3; 276 } s; 277}; 278 279/** 280 * mio_emm_dma_fifo_cfg 281 * 282 * This register controls DMA FIFO operations. 283 * 284 */ 285union mio_emm_dma_fifo_cfg { 286 u64 u; 287 struct mio_emm_dma_fifo_cfg_s { 288 uint64_t reserved_17_63 : 47; 289 uint64_t clr : 1; 290 uint64_t reserved_13_15 : 3; 291 uint64_t int_lvl : 5; 292 uint64_t reserved_5_7 : 3; 293 uint64_t count : 5; 294 } s; 295}; 296 297/** 298 * mio_emm_dma_fifo_cmd 299 * 300 * This register specifies a command that is loaded into the eMMC internal DMA FIFO. The FIFO is 301 * used to queue up operations for the MIO_EMM_DMA_CFG/MIO_EMM_DMA_ADR when the DMA completes 302 * successfully. Writes to this register store both the MIO_EMM_DMA_FIFO_CMD and the 303 * MIO_EMM_DMA_FIFO_ADR contents into the FIFO and increment the MIO_EMM_DMA_FIFO_CFG[COUNT] 304 * field. 305 * 306 * Note: This register has a similar format to MIO_EMM_DMA_CFG with the exception 307 * that the EN and CLR fields are absent. These are supported in MIO_EMM_DMA_FIFO_CFG. 308 */ 309union mio_emm_dma_fifo_cmd { 310 u64 u; 311 struct mio_emm_dma_fifo_cmd_s { 312 uint64_t reserved_63_63 : 1; 313 uint64_t rw : 1; 314 uint64_t reserved_61_61 : 1; 315 uint64_t intdis : 1; 316 uint64_t swap32 : 1; 317 uint64_t swap16 : 1; 318 uint64_t swap8 : 1; 319 uint64_t endian : 1; 320 uint64_t size : 20; 321 uint64_t reserved_0_35 : 36; 322 } s; 323}; 324 325/** 326 * mio_emm_dma_int 327 * 328 * Sixty-four-bit operations must be used to access this register. 329 * 330 */ 331union mio_emm_dma_int { 332 u64 u; 333 struct mio_emm_dma_int_s { 334 uint64_t reserved_2_63 : 62; 335 uint64_t fifo : 1; 336 uint64_t done : 1; 337 } s; 338}; 339 340/** 341 * mio_emm_dma_int_w1s 342 */ 343union mio_emm_dma_int_w1s { 344 u64 u; 345 struct mio_emm_dma_int_w1s_s { 346 uint64_t reserved_2_63 : 62; 347 uint64_t fifo : 1; 348 uint64_t done : 1; 349 } s; 350}; 351 352/** 353 * mio_emm_int 354 * 355 * MIO_EMM_INT = MIO EMMC Interrupt Register 356 * 357 */ 358union mio_emm_int { 359 u64 u; 360 struct mio_emm_int_s { 361 uint64_t reserved_7_63 : 57; 362 uint64_t switch_err : 1; 363 uint64_t switch_done : 1; 364 uint64_t dma_err : 1; 365 uint64_t cmd_err : 1; 366 uint64_t dma_done : 1; 367 uint64_t cmd_done : 1; 368 uint64_t buf_done : 1; 369 } s; 370}; 371 372/** 373 * mio_emm_int_en 374 * 375 * MIO_EMM_INT_EN = MIO EMMC Interrupt enable Register 376 * 377 */ 378union mio_emm_int_en { 379 u64 u; 380 struct mio_emm_int_en_s { 381 uint64_t reserved_7_63 : 57; 382 uint64_t switch_err : 1; 383 uint64_t switch_done : 1; 384 uint64_t dma_err : 1; 385 uint64_t cmd_err : 1; 386 uint64_t dma_done : 1; 387 uint64_t cmd_done : 1; 388 uint64_t buf_done : 1; 389 } s; 390}; 391 392/** 393 * mio_emm_int_w1s 394 */ 395union mio_emm_int_w1s { 396 u64 u; 397 struct mio_emm_int_w1s_s { 398 uint64_t reserved_7_63 : 57; 399 uint64_t switch_err : 1; 400 uint64_t switch_done : 1; 401 uint64_t dma_err : 1; 402 uint64_t cmd_err : 1; 403 uint64_t dma_done : 1; 404 uint64_t cmd_done : 1; 405 uint64_t buf_done : 1; 406 } s; 407}; 408 409/** 410 * mio_emm_mode# 411 * 412 * MIO_EMM_MODE = MIO EMMC Operating mode Register 413 * 414 */ 415union mio_emm_modex { 416 u64 u; 417 struct mio_emm_modex_s { 418 uint64_t reserved_49_63 : 15; 419 uint64_t hs_timing : 1; 420 uint64_t reserved_43_47 : 5; 421 uint64_t bus_width : 3; 422 uint64_t reserved_36_39 : 4; 423 uint64_t power_class : 4; 424 uint64_t clk_hi : 16; 425 uint64_t clk_lo : 16; 426 } s; 427}; 428 429/** 430 * mio_emm_rca 431 */ 432union mio_emm_rca { 433 u64 u; 434 struct mio_emm_rca_s { 435 uint64_t reserved_16_63 : 48; 436 uint64_t card_rca : 16; 437 } s; 438}; 439 440/** 441 * mio_emm_rsp_hi 442 * 443 * MIO_EMM_RSP_HI = MIO EMMC Response data high Register 444 * 445 */ 446union mio_emm_rsp_hi { 447 u64 u; 448 struct mio_emm_rsp_hi_s { 449 uint64_t dat : 64; 450 } s; 451}; 452 453/** 454 * mio_emm_rsp_lo 455 * 456 * MIO_EMM_RSP_LO = MIO EMMC Response data low Register 457 * 458 */ 459union mio_emm_rsp_lo { 460 u64 u; 461 struct mio_emm_rsp_lo_s { 462 uint64_t dat : 64; 463 } s; 464}; 465 466/** 467 * mio_emm_rsp_sts 468 * 469 * MIO_EMM_RSP_STS = MIO EMMC Response status Register 470 * 471 */ 472union mio_emm_rsp_sts { 473 u64 u; 474 struct mio_emm_rsp_sts_s { 475 uint64_t reserved_62_63 : 2; 476 uint64_t bus_id : 2; 477 uint64_t cmd_val : 1; 478 uint64_t switch_val : 1; 479 uint64_t dma_val : 1; 480 uint64_t dma_pend : 1; 481 uint64_t acc_timeout : 1; 482 uint64_t reserved_29_54 : 26; 483 uint64_t dbuf_err : 1; 484 uint64_t reserved_24_27 : 4; 485 uint64_t dbuf : 1; 486 uint64_t blk_timeout : 1; 487 uint64_t blk_crc_err : 1; 488 uint64_t rsp_busybit : 1; 489 uint64_t stp_timeout : 1; 490 uint64_t stp_crc_err : 1; 491 uint64_t stp_bad_sts : 1; 492 uint64_t stp_val : 1; 493 uint64_t rsp_timeout : 1; 494 uint64_t rsp_crc_err : 1; 495 uint64_t rsp_bad_sts : 1; 496 uint64_t rsp_val : 1; 497 uint64_t rsp_type : 3; 498 uint64_t cmd_type : 2; 499 uint64_t cmd_idx : 6; 500 uint64_t cmd_done : 1; 501 } s; 502}; 503 504/** 505 * mio_emm_sample 506 */ 507union mio_emm_sample { 508 u64 u; 509 struct mio_emm_sample_s { 510 uint64_t reserved_26_63 : 38; 511 uint64_t cmd_cnt : 10; 512 uint64_t reserved_10_15 : 6; 513 uint64_t dat_cnt : 10; 514 } s; 515}; 516 517/** 518 * mio_emm_sts_mask 519 */ 520union mio_emm_sts_mask { 521 u64 u; 522 struct mio_emm_sts_mask_s { 523 uint64_t reserved_32_63 : 32; 524 uint64_t sts_msk : 32; 525 } s; 526}; 527 528/** 529 * mio_emm_switch 530 * 531 * MIO_EMM_SWITCH = MIO EMMC Operating mode switch Register 532 * 533 */ 534union mio_emm_switch { 535 u64 u; 536 struct mio_emm_switch_s { 537 uint64_t reserved_62_63 : 2; 538 uint64_t bus_id : 2; 539 uint64_t switch_exe : 1; 540 uint64_t switch_err0 : 1; 541 uint64_t switch_err1 : 1; 542 uint64_t switch_err2 : 1; 543 uint64_t reserved_49_55 : 7; 544 uint64_t hs_timing : 1; 545 uint64_t reserved_43_47 : 5; 546 uint64_t bus_width : 3; 547 uint64_t reserved_36_39 : 4; 548 uint64_t power_class : 4; 549 uint64_t clk_hi : 16; 550 uint64_t clk_lo : 16; 551 } s; 552}; 553 554/** 555 * mio_emm_wdog 556 * 557 * MIO_EMM_WDOG = MIO EMMC Watchdog Register 558 * 559 */ 560union mio_emm_wdog { 561 u64 u; 562 struct mio_emm_wdog_s { 563 uint64_t reserved_26_63 : 38; 564 uint64_t clk_cnt : 26; 565 } s; 566}; 567 568/* 569 * The following structs are only available to enable compilation of the common 570 * MMC driver. These registers do not exist on MIPS Octeon. 571 */ 572 573/** 574 * Register (RSL) mio_emm_timing 575 * 576 * eMMC Timing Register This register determines the number of tap delays 577 * the EMM_DAT, EMM_DS, and EMM_CMD lines are transmitted or received in 578 * relation to EMM_CLK. These values should only be changed when the eMMC 579 * bus is idle. 580 */ 581union mio_emm_timing { 582 u64 u; 583 struct mio_emm_timing_s { 584 u64 data_out_tap : 6; 585 u64 reserved_6_15 : 10; 586 u64 data_in_tap : 6; 587 u64 reserved_22_31 : 10; 588 u64 cmd_out_tap : 6; 589 u64 reserved_38_47 : 10; 590 u64 cmd_in_tap : 6; 591 u64 reserved_54_63 : 10; 592 } s; 593}; 594 595/** 596 * Register (RSL) mio_emm_debug 597 * 598 * eMMC Debug Register 599 */ 600union mio_emm_debug { 601 u64 u; 602 struct mio_emm_debug_s { 603 u64 clk_on : 1; 604 u64 reserved_1_7 : 7; 605 u64 cmd_sm : 4; 606 u64 data_sm : 4; 607 u64 dma_sm : 4; 608 u64 emmc_clk_disable : 1; 609 u64 rdsync_rst : 1; 610 u64 reserved_22_63 : 42; 611 } s; 612}; 613 614#endif 615