1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2013 Boundary Devices Inc. 4 */ 5 #ifndef __ASM_ARCH_MX6_DDR_H__ 6 #define __ASM_ARCH_MX6_DDR_H__ 7 8 #ifndef CONFIG_SPL_BUILD 9 #ifdef CONFIG_MX6Q 10 #include "mx6q-ddr.h" 11 #else 12 #if defined(CONFIG_MX6DL) || defined(CONFIG_MX6S) 13 #include "mx6dl-ddr.h" 14 #else 15 #ifdef CONFIG_MX6SX 16 #include "mx6sx-ddr.h" 17 #else 18 #if defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL) 19 #include "mx6ul-ddr.h" 20 #else 21 #ifdef CONFIG_MX6SL 22 #include "mx6sl-ddr.h" 23 #else 24 #error "Please select cpu" 25 #endif /* CONFIG_MX6SL */ 26 #endif /* CONFIG_MX6UL */ 27 #endif /* CONFIG_MX6SX */ 28 #endif /* CONFIG_MX6DL or CONFIG_MX6S */ 29 #endif /* CONFIG_MX6Q */ 30 #else 31 32 enum { 33 DDR_TYPE_DDR3, 34 DDR_TYPE_LPDDR2, 35 }; 36 37 /* MMDC P0/P1 Registers */ 38 struct mmdc_p_regs { 39 u32 mdctl; 40 u32 mdpdc; 41 u32 mdotc; 42 u32 mdcfg0; 43 u32 mdcfg1; 44 u32 mdcfg2; 45 u32 mdmisc; 46 u32 mdscr; 47 u32 mdref; 48 u32 res1[2]; 49 u32 mdrwd; 50 u32 mdor; 51 u32 mdmrr; 52 u32 mdcfg3lp; 53 u32 mdmr4; 54 u32 mdasp; 55 u32 res2[239]; 56 u32 maarcr; 57 u32 mapsr; 58 u32 maexidr0; 59 u32 maexidr1; 60 u32 madpcr0; 61 u32 madpcr1; 62 u32 madpsr0; 63 u32 madpsr1; 64 u32 madpsr2; 65 u32 madpsr3; 66 u32 madpsr4; 67 u32 madpsr5; 68 u32 masbs0; 69 u32 masbs1; 70 u32 res3[2]; 71 u32 magenp; 72 u32 res4[239]; 73 u32 mpzqhwctrl; 74 u32 mpzqswctrl; 75 u32 mpwlgcr; 76 u32 mpwldectrl0; 77 u32 mpwldectrl1; 78 u32 mpwldlst; 79 u32 mpodtctrl; 80 u32 mprddqby0dl; 81 u32 mprddqby1dl; 82 u32 mprddqby2dl; 83 u32 mprddqby3dl; 84 u32 mpwrdqby0dl; 85 u32 mpwrdqby1dl; 86 u32 mpwrdqby2dl; 87 u32 mpwrdqby3dl; 88 u32 mpdgctrl0; 89 u32 mpdgctrl1; 90 u32 mpdgdlst0; 91 u32 mprddlctl; 92 u32 mprddlst; 93 u32 mpwrdlctl; 94 u32 mpwrdlst; 95 u32 mpsdctrl; 96 u32 mpzqlp2ctl; 97 u32 mprddlhwctl; 98 u32 mpwrdlhwctl; 99 u32 mprddlhwst0; 100 u32 mprddlhwst1; 101 u32 mpwrdlhwst0; 102 u32 mpwrdlhwst1; 103 u32 mpwlhwerr; 104 u32 mpdghwst0; 105 u32 mpdghwst1; 106 u32 mpdghwst2; 107 u32 mpdghwst3; 108 u32 mppdcmpr1; 109 u32 mppdcmpr2; 110 u32 mpswdar0; 111 u32 mpswdrdr0; 112 u32 mpswdrdr1; 113 u32 mpswdrdr2; 114 u32 mpswdrdr3; 115 u32 mpswdrdr4; 116 u32 mpswdrdr5; 117 u32 mpswdrdr6; 118 u32 mpswdrdr7; 119 u32 mpmur0; 120 u32 mpwrcadl; 121 u32 mpdccr; 122 }; 123 124 #define MX6SL_IOM_DDR_BASE 0x020e0300 125 struct mx6sl_iomux_ddr_regs { 126 u32 dram_cas; 127 u32 dram_cs0_b; 128 u32 dram_cs1_b; 129 u32 dram_dqm0; 130 u32 dram_dqm1; 131 u32 dram_dqm2; 132 u32 dram_dqm3; 133 u32 dram_ras; 134 u32 dram_reset; 135 u32 dram_sdba0; 136 u32 dram_sdba1; 137 u32 dram_sdba2; 138 u32 dram_sdcke0; 139 u32 dram_sdcke1; 140 u32 dram_sdclk_0; 141 u32 dram_odt0; 142 u32 dram_odt1; 143 u32 dram_sdqs0; 144 u32 dram_sdqs1; 145 u32 dram_sdqs2; 146 u32 dram_sdqs3; 147 u32 dram_sdwe_b; 148 }; 149 150 #define MX6SL_IOM_GRP_BASE 0x020e0500 151 struct mx6sl_iomux_grp_regs { 152 u32 res1[43]; 153 u32 grp_addds; 154 u32 grp_ddrmode_ctl; 155 u32 grp_ddrpke; 156 u32 grp_ddrpk; 157 u32 grp_ddrhys; 158 u32 grp_ddrmode; 159 u32 grp_b0ds; 160 u32 grp_ctlds; 161 u32 grp_b1ds; 162 u32 grp_ddr_type; 163 u32 grp_b2ds; 164 u32 grp_b3ds; 165 }; 166 167 #define MX6UL_IOM_DDR_BASE 0x020e0200 168 struct mx6ul_iomux_ddr_regs { 169 u32 res1[17]; 170 u32 dram_dqm0; 171 u32 dram_dqm1; 172 u32 dram_ras; 173 u32 dram_cas; 174 u32 dram_cs0; 175 u32 dram_cs1; 176 u32 dram_sdwe_b; 177 u32 dram_odt0; 178 u32 dram_odt1; 179 u32 dram_sdba0; 180 u32 dram_sdba1; 181 u32 dram_sdba2; 182 u32 dram_sdcke0; 183 u32 dram_sdcke1; 184 u32 dram_sdclk_0; 185 u32 dram_sdqs0; 186 u32 dram_sdqs1; 187 u32 dram_reset; 188 }; 189 190 #define MX6UL_IOM_GRP_BASE 0x020e0400 191 struct mx6ul_iomux_grp_regs { 192 u32 res1[36]; 193 u32 grp_addds; 194 u32 grp_ddrmode_ctl; 195 u32 grp_b0ds; 196 u32 grp_ddrpk; 197 u32 grp_ctlds; 198 u32 grp_b1ds; 199 u32 grp_ddrhys; 200 u32 grp_ddrpke; 201 u32 grp_ddrmode; 202 u32 grp_ddr_type; 203 }; 204 205 #define MX6SX_IOM_DDR_BASE 0x020e0200 206 struct mx6sx_iomux_ddr_regs { 207 u32 res1[59]; 208 u32 dram_dqm0; 209 u32 dram_dqm1; 210 u32 dram_dqm2; 211 u32 dram_dqm3; 212 u32 dram_ras; 213 u32 dram_cas; 214 u32 res2[2]; 215 u32 dram_sdwe_b; 216 u32 dram_odt0; 217 u32 dram_odt1; 218 u32 dram_sdba0; 219 u32 dram_sdba1; 220 u32 dram_sdba2; 221 u32 dram_sdcke0; 222 u32 dram_sdcke1; 223 u32 dram_sdclk_0; 224 u32 dram_sdqs0; 225 u32 dram_sdqs1; 226 u32 dram_sdqs2; 227 u32 dram_sdqs3; 228 u32 dram_reset; 229 }; 230 231 #define MX6SX_IOM_GRP_BASE 0x020e0500 232 struct mx6sx_iomux_grp_regs { 233 u32 res1[61]; 234 u32 grp_addds; 235 u32 grp_ddrmode_ctl; 236 u32 grp_ddrpke; 237 u32 grp_ddrpk; 238 u32 grp_ddrhys; 239 u32 grp_ddrmode; 240 u32 grp_b0ds; 241 u32 grp_b1ds; 242 u32 grp_ctlds; 243 u32 grp_ddr_type; 244 u32 grp_b2ds; 245 u32 grp_b3ds; 246 }; 247 248 /* 249 * MMDC iomux registers (pinctl/padctl) - (different for IMX6DQ vs IMX6SDL) 250 */ 251 #define MX6DQ_IOM_DDR_BASE 0x020e0500 252 struct mx6dq_iomux_ddr_regs { 253 u32 res1[3]; 254 u32 dram_sdqs5; 255 u32 dram_dqm5; 256 u32 dram_dqm4; 257 u32 dram_sdqs4; 258 u32 dram_sdqs3; 259 u32 dram_dqm3; 260 u32 dram_sdqs2; 261 u32 dram_dqm2; 262 u32 res2[16]; 263 u32 dram_cas; 264 u32 res3[2]; 265 u32 dram_ras; 266 u32 dram_reset; 267 u32 res4[2]; 268 u32 dram_sdclk_0; 269 u32 dram_sdba2; 270 u32 dram_sdcke0; 271 u32 dram_sdclk_1; 272 u32 dram_sdcke1; 273 u32 dram_sdodt0; 274 u32 dram_sdodt1; 275 u32 res5; 276 u32 dram_sdqs0; 277 u32 dram_dqm0; 278 u32 dram_sdqs1; 279 u32 dram_dqm1; 280 u32 dram_sdqs6; 281 u32 dram_dqm6; 282 u32 dram_sdqs7; 283 u32 dram_dqm7; 284 }; 285 286 #define MX6DQ_IOM_GRP_BASE 0x020e0700 287 struct mx6dq_iomux_grp_regs { 288 u32 res1[18]; 289 u32 grp_b7ds; 290 u32 grp_addds; 291 u32 grp_ddrmode_ctl; 292 u32 res2; 293 u32 grp_ddrpke; 294 u32 res3[6]; 295 u32 grp_ddrmode; 296 u32 res4[3]; 297 u32 grp_b0ds; 298 u32 grp_b1ds; 299 u32 grp_ctlds; 300 u32 res5; 301 u32 grp_b2ds; 302 u32 grp_ddr_type; 303 u32 grp_b3ds; 304 u32 grp_b4ds; 305 u32 grp_b5ds; 306 u32 grp_b6ds; 307 }; 308 309 #define MX6SDL_IOM_DDR_BASE 0x020e0400 310 struct mx6sdl_iomux_ddr_regs { 311 u32 res1[25]; 312 u32 dram_cas; 313 u32 res2[2]; 314 u32 dram_dqm0; 315 u32 dram_dqm1; 316 u32 dram_dqm2; 317 u32 dram_dqm3; 318 u32 dram_dqm4; 319 u32 dram_dqm5; 320 u32 dram_dqm6; 321 u32 dram_dqm7; 322 u32 dram_ras; 323 u32 dram_reset; 324 u32 res3[2]; 325 u32 dram_sdba2; 326 u32 dram_sdcke0; 327 u32 dram_sdcke1; 328 u32 dram_sdclk_0; 329 u32 dram_sdclk_1; 330 u32 dram_sdodt0; 331 u32 dram_sdodt1; 332 u32 dram_sdqs0; 333 u32 dram_sdqs1; 334 u32 dram_sdqs2; 335 u32 dram_sdqs3; 336 u32 dram_sdqs4; 337 u32 dram_sdqs5; 338 u32 dram_sdqs6; 339 u32 dram_sdqs7; 340 }; 341 342 #define MX6SDL_IOM_GRP_BASE 0x020e0700 343 struct mx6sdl_iomux_grp_regs { 344 u32 res1[18]; 345 u32 grp_b7ds; 346 u32 grp_addds; 347 u32 grp_ddrmode_ctl; 348 u32 grp_ddrpke; 349 u32 res2[2]; 350 u32 grp_ddrmode; 351 u32 grp_b0ds; 352 u32 res3; 353 u32 grp_ctlds; 354 u32 grp_b1ds; 355 u32 grp_ddr_type; 356 u32 grp_b2ds; 357 u32 grp_b3ds; 358 u32 grp_b4ds; 359 u32 grp_b5ds; 360 u32 res4; 361 u32 grp_b6ds; 362 }; 363 364 /* Device Information: Varies per DDR3 part number and speed grade */ 365 struct mx6_ddr3_cfg { 366 u16 mem_speed; /* ie 1600 for DDR3-1600 (800,1066,1333,1600) */ 367 u8 density; /* chip density (Gb) (1,2,4,8) */ 368 u8 width; /* bus width (bits) (4,8,16) */ 369 u8 banks; /* number of banks */ 370 u8 rowaddr; /* row address bits (11-16)*/ 371 u8 coladdr; /* col address bits (9-12) */ 372 u8 pagesz; /* page size (K) (1-2) */ 373 u16 trcd; /* tRCD=tRP=CL (ns*100) */ 374 u16 trcmin; /* tRC min (ns*100) */ 375 u16 trasmin; /* tRAS min (ns*100) */ 376 u8 SRT; /* self-refresh temperature: 0=normal, 1=extended */ 377 }; 378 379 /* Device Information: Varies per LPDDR2 part number and speed grade */ 380 struct mx6_lpddr2_cfg { 381 u16 mem_speed; /* ie 800 for LPDDR2-800 */ 382 u8 density; /* chip density (Gb) (1,2,4,8) */ 383 u8 width; /* bus width (bits) (4,8,16) */ 384 u8 banks; /* number of banks */ 385 u8 rowaddr; /* row address bits (11-16)*/ 386 u8 coladdr; /* col address bits (9-12) */ 387 u16 trcd_lp; 388 u16 trppb_lp; 389 u16 trpab_lp; 390 u16 trcmin; /* tRC min (ns*100) */ 391 u16 trasmin; /* tRAS min (ns*100) */ 392 }; 393 394 /* System Information: Varies per board design, layout, and term choices */ 395 struct mx6_ddr_sysinfo { 396 u8 dsize; /* size of bus (in dwords: 0=16bit,1=32bit,2=64bit) */ 397 u8 cs_density; /* density per chip select (Gb) */ 398 u8 ncs; /* number chip selects used (1|2) */ 399 char cs1_mirror;/* enable address mirror (0|1) */ 400 char bi_on; /* Bank interleaving enable */ 401 u8 rtt_nom; /* Rtt_Nom (DDR3_RTT_*) */ 402 u8 rtt_wr; /* Rtt_Wr (DDR3_RTT_*) */ 403 u8 ralat; /* Read Additional Latency (0-7) */ 404 u8 walat; /* Write Additional Latency (0-3) */ 405 u8 mif3_mode; /* Command prediction working mode */ 406 u8 rst_to_cke; /* Time from SDE enable to CKE rise */ 407 u8 sde_to_rst; /* Time from SDE enable until DDR reset# is high */ 408 u8 pd_fast_exit;/* enable precharge powerdown fast-exit */ 409 u8 ddr_type; /* DDR type: DDR3(0) or LPDDR2(1) */ 410 u8 refsel; /* REF_SEL field of register MDREF */ 411 u8 refr; /* REFR field of register MDREF */ 412 }; 413 414 /* 415 * Board specific calibration: 416 * This includes write leveling calibration values as well as DQS gating 417 * and read/write delays. These values are board/layout/device specific. 418 * Freescale recommends using the i.MX6 DDR Stress Test Tool V1.0.2 419 * (DOC-96412) to determine these values over a range of boards and 420 * temperatures. 421 */ 422 struct mx6_mmdc_calibration { 423 /* write leveling calibration */ 424 u32 p0_mpwldectrl0; 425 u32 p0_mpwldectrl1; 426 u32 p1_mpwldectrl0; 427 u32 p1_mpwldectrl1; 428 /* read DQS gating */ 429 u32 p0_mpdgctrl0; 430 u32 p0_mpdgctrl1; 431 u32 p1_mpdgctrl0; 432 u32 p1_mpdgctrl1; 433 /* read delay */ 434 u32 p0_mprddlctl; 435 u32 p1_mprddlctl; 436 /* write delay */ 437 u32 p0_mpwrdlctl; 438 u32 p1_mpwrdlctl; 439 /* lpddr2 zq hw calibration */ 440 u32 mpzqlp2ctl; 441 }; 442 443 /* configure iomux (pinctl/padctl) */ 444 void mx6dq_dram_iocfg(unsigned width, 445 const struct mx6dq_iomux_ddr_regs *, 446 const struct mx6dq_iomux_grp_regs *); 447 void mx6sdl_dram_iocfg(unsigned width, 448 const struct mx6sdl_iomux_ddr_regs *, 449 const struct mx6sdl_iomux_grp_regs *); 450 void mx6sx_dram_iocfg(unsigned width, 451 const struct mx6sx_iomux_ddr_regs *, 452 const struct mx6sx_iomux_grp_regs *); 453 void mx6ul_dram_iocfg(unsigned width, 454 const struct mx6ul_iomux_ddr_regs *, 455 const struct mx6ul_iomux_grp_regs *); 456 void mx6sl_dram_iocfg(unsigned width, 457 const struct mx6sl_iomux_ddr_regs *, 458 const struct mx6sl_iomux_grp_regs *); 459 460 #if defined(CONFIG_MX6_DDRCAL) 461 int mmdc_do_write_level_calibration(struct mx6_ddr_sysinfo const *sysinfo); 462 int mmdc_do_dqs_calibration(struct mx6_ddr_sysinfo const *sysinfo); 463 void mmdc_read_calibration(struct mx6_ddr_sysinfo const *sysinfo, 464 struct mx6_mmdc_calibration *calib); 465 #endif 466 467 /* configure mx6 mmdc registers */ 468 void mx6_dram_cfg(const struct mx6_ddr_sysinfo *, 469 const struct mx6_mmdc_calibration *, 470 const void *); 471 472 #endif /* CONFIG_SPL_BUILD */ 473 474 #define MX6_MMDC_P0_MDCTL 0x021b0000 475 #define MX6_MMDC_P0_MDPDC 0x021b0004 476 #define MX6_MMDC_P0_MDOTC 0x021b0008 477 #define MX6_MMDC_P0_MDCFG0 0x021b000c 478 #define MX6_MMDC_P0_MDCFG1 0x021b0010 479 #define MX6_MMDC_P0_MDCFG2 0x021b0014 480 #define MX6_MMDC_P0_MDMISC 0x021b0018 481 #define MX6_MMDC_P0_MDSCR 0x021b001c 482 #define MX6_MMDC_P0_MDREF 0x021b0020 483 #define MX6_MMDC_P0_MDRWD 0x021b002c 484 #define MX6_MMDC_P0_MDOR 0x021b0030 485 #define MX6_MMDC_P0_MDASP 0x021b0040 486 #define MX6_MMDC_P0_MAPSR 0x021b0404 487 #define MX6_MMDC_P0_MPZQHWCTRL 0x021b0800 488 #define MX6_MMDC_P0_MPWLDECTRL0 0x021b080c 489 #define MX6_MMDC_P0_MPWLDECTRL1 0x021b0810 490 #define MX6_MMDC_P0_MPODTCTRL 0x021b0818 491 #define MX6_MMDC_P0_MPRDDQBY0DL 0x021b081c 492 #define MX6_MMDC_P0_MPRDDQBY1DL 0x021b0820 493 #define MX6_MMDC_P0_MPRDDQBY2DL 0x021b0824 494 #define MX6_MMDC_P0_MPRDDQBY3DL 0x021b0828 495 #define MX6_MMDC_P0_MPDGCTRL0 0x021b083c 496 #define MX6_MMDC_P0_MPDGCTRL1 0x021b0840 497 #define MX6_MMDC_P0_MPRDDLCTL 0x021b0848 498 #define MX6_MMDC_P0_MPWRDLCTL 0x021b0850 499 #define MX6_MMDC_P0_MPZQLP2CTL 0x021b085C 500 #define MX6_MMDC_P0_MPMUR0 0x021b08b8 501 502 #define MX6_MMDC_P1_MDCTL 0x021b4000 503 #define MX6_MMDC_P1_MDPDC 0x021b4004 504 #define MX6_MMDC_P1_MDOTC 0x021b4008 505 #define MX6_MMDC_P1_MDCFG0 0x021b400c 506 #define MX6_MMDC_P1_MDCFG1 0x021b4010 507 #define MX6_MMDC_P1_MDCFG2 0x021b4014 508 #define MX6_MMDC_P1_MDMISC 0x021b4018 509 #define MX6_MMDC_P1_MDSCR 0x021b401c 510 #define MX6_MMDC_P1_MDREF 0x021b4020 511 #define MX6_MMDC_P1_MDRWD 0x021b402c 512 #define MX6_MMDC_P1_MDOR 0x021b4030 513 #define MX6_MMDC_P1_MDASP 0x021b4040 514 #define MX6_MMDC_P1_MAPSR 0x021b4404 515 #define MX6_MMDC_P1_MPZQHWCTRL 0x021b4800 516 #define MX6_MMDC_P1_MPWLDECTRL0 0x021b480c 517 #define MX6_MMDC_P1_MPWLDECTRL1 0x021b4810 518 #define MX6_MMDC_P1_MPODTCTRL 0x021b4818 519 #define MX6_MMDC_P1_MPRDDQBY0DL 0x021b481c 520 #define MX6_MMDC_P1_MPRDDQBY1DL 0x021b4820 521 #define MX6_MMDC_P1_MPRDDQBY2DL 0x021b4824 522 #define MX6_MMDC_P1_MPRDDQBY3DL 0x021b4828 523 #define MX6_MMDC_P1_MPDGCTRL0 0x021b483c 524 #define MX6_MMDC_P1_MPDGCTRL1 0x021b4840 525 #define MX6_MMDC_P1_MPRDDLCTL 0x021b4848 526 #define MX6_MMDC_P1_MPWRDLCTL 0x021b4850 527 #define MX6_MMDC_P1_MPZQLP2CTL 0x021b485C 528 #define MX6_MMDC_P1_MPMUR0 0x021b48b8 529 530 #endif /*__ASM_ARCH_MX6_DDR_H__ */ 531