1 /* 2 * Copyright (C) 2013 Boundary Devices Inc. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 #ifndef __ASM_ARCH_MX6_DDR_H__ 7 #define __ASM_ARCH_MX6_DDR_H__ 8 9 #ifndef CONFIG_SPL_BUILD 10 #ifdef CONFIG_MX6Q 11 #include "mx6q-ddr.h" 12 #else 13 #if defined(CONFIG_MX6DL) || defined(CONFIG_MX6S) 14 #include "mx6dl-ddr.h" 15 #else 16 #ifdef CONFIG_MX6SX 17 #include "mx6sx-ddr.h" 18 #else 19 #ifdef CONFIG_MX6UL 20 #include "mx6ul-ddr.h" 21 #else 22 #ifdef CONFIG_MX6SL 23 #include "mx6sl-ddr.h" 24 #else 25 #error "Please select cpu" 26 #endif /* CONFIG_MX6SL */ 27 #endif /* CONFIG_MX6UL */ 28 #endif /* CONFIG_MX6SX */ 29 #endif /* CONFIG_MX6DL or CONFIG_MX6S */ 30 #endif /* CONFIG_MX6Q */ 31 #else 32 33 enum { 34 DDR_TYPE_DDR3, 35 DDR_TYPE_LPDDR2, 36 }; 37 38 /* MMDC P0/P1 Registers */ 39 struct mmdc_p_regs { 40 u32 mdctl; 41 u32 mdpdc; 42 u32 mdotc; 43 u32 mdcfg0; 44 u32 mdcfg1; 45 u32 mdcfg2; 46 u32 mdmisc; 47 u32 mdscr; 48 u32 mdref; 49 u32 res1[2]; 50 u32 mdrwd; 51 u32 mdor; 52 u32 mdmrr; 53 u32 mdcfg3lp; 54 u32 mdmr4; 55 u32 mdasp; 56 u32 res2[239]; 57 u32 maarcr; 58 u32 mapsr; 59 u32 maexidr0; 60 u32 maexidr1; 61 u32 madpcr0; 62 u32 madpcr1; 63 u32 madpsr0; 64 u32 madpsr1; 65 u32 madpsr2; 66 u32 madpsr3; 67 u32 madpsr4; 68 u32 madpsr5; 69 u32 masbs0; 70 u32 masbs1; 71 u32 res3[2]; 72 u32 magenp; 73 u32 res4[239]; 74 u32 mpzqhwctrl; 75 u32 mpzqswctrl; 76 u32 mpwlgcr; 77 u32 mpwldectrl0; 78 u32 mpwldectrl1; 79 u32 mpwldlst; 80 u32 mpodtctrl; 81 u32 mprddqby0dl; 82 u32 mprddqby1dl; 83 u32 mprddqby2dl; 84 u32 mprddqby3dl; 85 u32 mpwrdqby0dl; 86 u32 mpwrdqby1dl; 87 u32 mpwrdqby2dl; 88 u32 mpwrdqby3dl; 89 u32 mpdgctrl0; 90 u32 mpdgctrl1; 91 u32 mpdgdlst0; 92 u32 mprddlctl; 93 u32 mprddlst; 94 u32 mpwrdlctl; 95 u32 mpwrdlst; 96 u32 mpsdctrl; 97 u32 mpzqlp2ctl; 98 u32 mprddlhwctl; 99 u32 mpwrdlhwctl; 100 u32 mprddlhwst0; 101 u32 mprddlhwst1; 102 u32 mpwrdlhwst0; 103 u32 mpwrdlhwst1; 104 u32 mpwlhwerr; 105 u32 mpdghwst0; 106 u32 mpdghwst1; 107 u32 mpdghwst2; 108 u32 mpdghwst3; 109 u32 mppdcmpr1; 110 u32 mppdcmpr2; 111 u32 mpswdar0; 112 u32 mpswdrdr0; 113 u32 mpswdrdr1; 114 u32 mpswdrdr2; 115 u32 mpswdrdr3; 116 u32 mpswdrdr4; 117 u32 mpswdrdr5; 118 u32 mpswdrdr6; 119 u32 mpswdrdr7; 120 u32 mpmur0; 121 u32 mpwrcadl; 122 u32 mpdccr; 123 }; 124 125 #define MX6SL_IOM_DDR_BASE 0x020e0300 126 struct mx6sl_iomux_ddr_regs { 127 u32 dram_cas; 128 u32 dram_cs0_b; 129 u32 dram_cs1_b; 130 u32 dram_dqm0; 131 u32 dram_dqm1; 132 u32 dram_dqm2; 133 u32 dram_dqm3; 134 u32 dram_ras; 135 u32 dram_reset; 136 u32 dram_sdba0; 137 u32 dram_sdba1; 138 u32 dram_sdba2; 139 u32 dram_sdcke0; 140 u32 dram_sdcke1; 141 u32 dram_sdclk_0; 142 u32 dram_odt0; 143 u32 dram_odt1; 144 u32 dram_sdqs0; 145 u32 dram_sdqs1; 146 u32 dram_sdqs2; 147 u32 dram_sdqs3; 148 u32 dram_sdwe_b; 149 }; 150 151 #define MX6SL_IOM_GRP_BASE 0x020e0500 152 struct mx6sl_iomux_grp_regs { 153 u32 res1[43]; 154 u32 grp_addds; 155 u32 grp_ddrmode_ctl; 156 u32 grp_ddrpke; 157 u32 grp_ddrpk; 158 u32 grp_ddrhys; 159 u32 grp_ddrmode; 160 u32 grp_b0ds; 161 u32 grp_ctlds; 162 u32 grp_b1ds; 163 u32 grp_ddr_type; 164 u32 grp_b2ds; 165 u32 grp_b3ds; 166 }; 167 168 #define MX6UL_IOM_DDR_BASE 0x020e0200 169 struct mx6ul_iomux_ddr_regs { 170 u32 res1[17]; 171 u32 dram_dqm0; 172 u32 dram_dqm1; 173 u32 dram_ras; 174 u32 dram_cas; 175 u32 dram_cs0; 176 u32 dram_cs1; 177 u32 dram_sdwe_b; 178 u32 dram_odt0; 179 u32 dram_odt1; 180 u32 dram_sdba0; 181 u32 dram_sdba1; 182 u32 dram_sdba2; 183 u32 dram_sdcke0; 184 u32 dram_sdcke1; 185 u32 dram_sdclk_0; 186 u32 dram_sdqs0; 187 u32 dram_sdqs1; 188 u32 dram_reset; 189 }; 190 191 #define MX6UL_IOM_GRP_BASE 0x020e0400 192 struct mx6ul_iomux_grp_regs { 193 u32 res1[36]; 194 u32 grp_addds; 195 u32 grp_ddrmode_ctl; 196 u32 grp_b0ds; 197 u32 grp_ddrpk; 198 u32 grp_ctlds; 199 u32 grp_b1ds; 200 u32 grp_ddrhys; 201 u32 grp_ddrpke; 202 u32 grp_ddrmode; 203 u32 grp_ddr_type; 204 }; 205 206 #define MX6SX_IOM_DDR_BASE 0x020e0200 207 struct mx6sx_iomux_ddr_regs { 208 u32 res1[59]; 209 u32 dram_dqm0; 210 u32 dram_dqm1; 211 u32 dram_dqm2; 212 u32 dram_dqm3; 213 u32 dram_ras; 214 u32 dram_cas; 215 u32 res2[2]; 216 u32 dram_sdwe_b; 217 u32 dram_odt0; 218 u32 dram_odt1; 219 u32 dram_sdba0; 220 u32 dram_sdba1; 221 u32 dram_sdba2; 222 u32 dram_sdcke0; 223 u32 dram_sdcke1; 224 u32 dram_sdclk_0; 225 u32 dram_sdqs0; 226 u32 dram_sdqs1; 227 u32 dram_sdqs2; 228 u32 dram_sdqs3; 229 u32 dram_reset; 230 }; 231 232 #define MX6SX_IOM_GRP_BASE 0x020e0500 233 struct mx6sx_iomux_grp_regs { 234 u32 res1[61]; 235 u32 grp_addds; 236 u32 grp_ddrmode_ctl; 237 u32 grp_ddrpke; 238 u32 grp_ddrpk; 239 u32 grp_ddrhys; 240 u32 grp_ddrmode; 241 u32 grp_b0ds; 242 u32 grp_b1ds; 243 u32 grp_ctlds; 244 u32 grp_ddr_type; 245 u32 grp_b2ds; 246 u32 grp_b3ds; 247 }; 248 249 /* 250 * MMDC iomux registers (pinctl/padctl) - (different for IMX6DQ vs IMX6SDL) 251 */ 252 #define MX6DQ_IOM_DDR_BASE 0x020e0500 253 struct mx6dq_iomux_ddr_regs { 254 u32 res1[3]; 255 u32 dram_sdqs5; 256 u32 dram_dqm5; 257 u32 dram_dqm4; 258 u32 dram_sdqs4; 259 u32 dram_sdqs3; 260 u32 dram_dqm3; 261 u32 dram_sdqs2; 262 u32 dram_dqm2; 263 u32 res2[16]; 264 u32 dram_cas; 265 u32 res3[2]; 266 u32 dram_ras; 267 u32 dram_reset; 268 u32 res4[2]; 269 u32 dram_sdclk_0; 270 u32 dram_sdba2; 271 u32 dram_sdcke0; 272 u32 dram_sdclk_1; 273 u32 dram_sdcke1; 274 u32 dram_sdodt0; 275 u32 dram_sdodt1; 276 u32 res5; 277 u32 dram_sdqs0; 278 u32 dram_dqm0; 279 u32 dram_sdqs1; 280 u32 dram_dqm1; 281 u32 dram_sdqs6; 282 u32 dram_dqm6; 283 u32 dram_sdqs7; 284 u32 dram_dqm7; 285 }; 286 287 #define MX6DQ_IOM_GRP_BASE 0x020e0700 288 struct mx6dq_iomux_grp_regs { 289 u32 res1[18]; 290 u32 grp_b7ds; 291 u32 grp_addds; 292 u32 grp_ddrmode_ctl; 293 u32 res2; 294 u32 grp_ddrpke; 295 u32 res3[6]; 296 u32 grp_ddrmode; 297 u32 res4[3]; 298 u32 grp_b0ds; 299 u32 grp_b1ds; 300 u32 grp_ctlds; 301 u32 res5; 302 u32 grp_b2ds; 303 u32 grp_ddr_type; 304 u32 grp_b3ds; 305 u32 grp_b4ds; 306 u32 grp_b5ds; 307 u32 grp_b6ds; 308 }; 309 310 #define MX6SDL_IOM_DDR_BASE 0x020e0400 311 struct mx6sdl_iomux_ddr_regs { 312 u32 res1[25]; 313 u32 dram_cas; 314 u32 res2[2]; 315 u32 dram_dqm0; 316 u32 dram_dqm1; 317 u32 dram_dqm2; 318 u32 dram_dqm3; 319 u32 dram_dqm4; 320 u32 dram_dqm5; 321 u32 dram_dqm6; 322 u32 dram_dqm7; 323 u32 dram_ras; 324 u32 dram_reset; 325 u32 res3[2]; 326 u32 dram_sdba2; 327 u32 dram_sdcke0; 328 u32 dram_sdcke1; 329 u32 dram_sdclk_0; 330 u32 dram_sdclk_1; 331 u32 dram_sdodt0; 332 u32 dram_sdodt1; 333 u32 dram_sdqs0; 334 u32 dram_sdqs1; 335 u32 dram_sdqs2; 336 u32 dram_sdqs3; 337 u32 dram_sdqs4; 338 u32 dram_sdqs5; 339 u32 dram_sdqs6; 340 u32 dram_sdqs7; 341 }; 342 343 #define MX6SDL_IOM_GRP_BASE 0x020e0700 344 struct mx6sdl_iomux_grp_regs { 345 u32 res1[18]; 346 u32 grp_b7ds; 347 u32 grp_addds; 348 u32 grp_ddrmode_ctl; 349 u32 grp_ddrpke; 350 u32 res2[2]; 351 u32 grp_ddrmode; 352 u32 grp_b0ds; 353 u32 res3; 354 u32 grp_ctlds; 355 u32 grp_b1ds; 356 u32 grp_ddr_type; 357 u32 grp_b2ds; 358 u32 grp_b3ds; 359 u32 grp_b4ds; 360 u32 grp_b5ds; 361 u32 res4; 362 u32 grp_b6ds; 363 }; 364 365 /* Device Information: Varies per DDR3 part number and speed grade */ 366 struct mx6_ddr3_cfg { 367 u16 mem_speed; /* ie 1600 for DDR3-1600 (800,1066,1333,1600) */ 368 u8 density; /* chip density (Gb) (1,2,4,8) */ 369 u8 width; /* bus width (bits) (4,8,16) */ 370 u8 banks; /* number of banks */ 371 u8 rowaddr; /* row address bits (11-16)*/ 372 u8 coladdr; /* col address bits (9-12) */ 373 u8 pagesz; /* page size (K) (1-2) */ 374 u16 trcd; /* tRCD=tRP=CL (ns*100) */ 375 u16 trcmin; /* tRC min (ns*100) */ 376 u16 trasmin; /* tRAS min (ns*100) */ 377 u8 SRT; /* self-refresh temperature: 0=normal, 1=extended */ 378 }; 379 380 /* Device Information: Varies per LPDDR2 part number and speed grade */ 381 struct mx6_lpddr2_cfg { 382 u16 mem_speed; /* ie 800 for LPDDR2-800 */ 383 u8 density; /* chip density (Gb) (1,2,4,8) */ 384 u8 width; /* bus width (bits) (4,8,16) */ 385 u8 banks; /* number of banks */ 386 u8 rowaddr; /* row address bits (11-16)*/ 387 u8 coladdr; /* col address bits (9-12) */ 388 u16 trcd_lp; 389 u16 trppb_lp; 390 u16 trpab_lp; 391 u16 trcmin; /* tRC min (ns*100) */ 392 u16 trasmin; /* tRAS min (ns*100) */ 393 }; 394 395 /* System Information: Varies per board design, layout, and term choices */ 396 struct mx6_ddr_sysinfo { 397 u8 dsize; /* size of bus (in dwords: 0=16bit,1=32bit,2=64bit) */ 398 u8 cs_density; /* density per chip select (Gb) */ 399 u8 ncs; /* number chip selects used (1|2) */ 400 char cs1_mirror;/* enable address mirror (0|1) */ 401 char bi_on; /* Bank interleaving enable */ 402 u8 rtt_nom; /* Rtt_Nom (DDR3_RTT_*) */ 403 u8 rtt_wr; /* Rtt_Wr (DDR3_RTT_*) */ 404 u8 ralat; /* Read Additional Latency (0-7) */ 405 u8 walat; /* Write Additional Latency (0-3) */ 406 u8 mif3_mode; /* Command prediction working mode */ 407 u8 rst_to_cke; /* Time from SDE enable to CKE rise */ 408 u8 sde_to_rst; /* Time from SDE enable until DDR reset# is high */ 409 u8 pd_fast_exit;/* enable precharge powerdown fast-exit */ 410 u8 ddr_type; /* DDR type: DDR3(0) or LPDDR2(1) */ 411 u8 refsel; /* REF_SEL field of register MDREF */ 412 u8 refr; /* REFR field of register MDREF */ 413 }; 414 415 /* 416 * Board specific calibration: 417 * This includes write leveling calibration values as well as DQS gating 418 * and read/write delays. These values are board/layout/device specific. 419 * Freescale recommends using the i.MX6 DDR Stress Test Tool V1.0.2 420 * (DOC-96412) to determine these values over a range of boards and 421 * temperatures. 422 */ 423 struct mx6_mmdc_calibration { 424 /* write leveling calibration */ 425 u32 p0_mpwldectrl0; 426 u32 p0_mpwldectrl1; 427 u32 p1_mpwldectrl0; 428 u32 p1_mpwldectrl1; 429 /* read DQS gating */ 430 u32 p0_mpdgctrl0; 431 u32 p0_mpdgctrl1; 432 u32 p1_mpdgctrl0; 433 u32 p1_mpdgctrl1; 434 /* read delay */ 435 u32 p0_mprddlctl; 436 u32 p1_mprddlctl; 437 /* write delay */ 438 u32 p0_mpwrdlctl; 439 u32 p1_mpwrdlctl; 440 /* lpddr2 zq hw calibration */ 441 u32 mpzqlp2ctl; 442 }; 443 444 /* configure iomux (pinctl/padctl) */ 445 void mx6dq_dram_iocfg(unsigned width, 446 const struct mx6dq_iomux_ddr_regs *, 447 const struct mx6dq_iomux_grp_regs *); 448 void mx6sdl_dram_iocfg(unsigned width, 449 const struct mx6sdl_iomux_ddr_regs *, 450 const struct mx6sdl_iomux_grp_regs *); 451 void mx6sx_dram_iocfg(unsigned width, 452 const struct mx6sx_iomux_ddr_regs *, 453 const struct mx6sx_iomux_grp_regs *); 454 void mx6ul_dram_iocfg(unsigned width, 455 const struct mx6ul_iomux_ddr_regs *, 456 const struct mx6ul_iomux_grp_regs *); 457 void mx6sl_dram_iocfg(unsigned width, 458 const struct mx6sl_iomux_ddr_regs *, 459 const struct mx6sl_iomux_grp_regs *); 460 461 #if defined(CONFIG_MX6QDL) || defined(CONFIG_MX6Q) || defined(CONFIG_MX6D) 462 int mmdc_do_write_level_calibration(void); 463 int mmdc_do_dqs_calibration(void); 464 #endif 465 466 /* configure mx6 mmdc registers */ 467 void mx6_dram_cfg(const struct mx6_ddr_sysinfo *, 468 const struct mx6_mmdc_calibration *, 469 const void *); 470 471 #endif /* CONFIG_SPL_BUILD */ 472 473 #define MX6_MMDC_P0_MDCTL 0x021b0000 474 #define MX6_MMDC_P0_MDPDC 0x021b0004 475 #define MX6_MMDC_P0_MDOTC 0x021b0008 476 #define MX6_MMDC_P0_MDCFG0 0x021b000c 477 #define MX6_MMDC_P0_MDCFG1 0x021b0010 478 #define MX6_MMDC_P0_MDCFG2 0x021b0014 479 #define MX6_MMDC_P0_MDMISC 0x021b0018 480 #define MX6_MMDC_P0_MDSCR 0x021b001c 481 #define MX6_MMDC_P0_MDREF 0x021b0020 482 #define MX6_MMDC_P0_MDRWD 0x021b002c 483 #define MX6_MMDC_P0_MDOR 0x021b0030 484 #define MX6_MMDC_P0_MDASP 0x021b0040 485 #define MX6_MMDC_P0_MAPSR 0x021b0404 486 #define MX6_MMDC_P0_MPZQHWCTRL 0x021b0800 487 #define MX6_MMDC_P0_MPWLDECTRL0 0x021b080c 488 #define MX6_MMDC_P0_MPWLDECTRL1 0x021b0810 489 #define MX6_MMDC_P0_MPODTCTRL 0x021b0818 490 #define MX6_MMDC_P0_MPRDDQBY0DL 0x021b081c 491 #define MX6_MMDC_P0_MPRDDQBY1DL 0x021b0820 492 #define MX6_MMDC_P0_MPRDDQBY2DL 0x021b0824 493 #define MX6_MMDC_P0_MPRDDQBY3DL 0x021b0828 494 #define MX6_MMDC_P0_MPDGCTRL0 0x021b083c 495 #define MX6_MMDC_P0_MPDGCTRL1 0x021b0840 496 #define MX6_MMDC_P0_MPRDDLCTL 0x021b0848 497 #define MX6_MMDC_P0_MPWRDLCTL 0x021b0850 498 #define MX6_MMDC_P0_MPMUR0 0x021b08b8 499 500 #define MX6_MMDC_P1_MDCTL 0x021b4000 501 #define MX6_MMDC_P1_MDPDC 0x021b4004 502 #define MX6_MMDC_P1_MDOTC 0x021b4008 503 #define MX6_MMDC_P1_MDCFG0 0x021b400c 504 #define MX6_MMDC_P1_MDCFG1 0x021b4010 505 #define MX6_MMDC_P1_MDCFG2 0x021b4014 506 #define MX6_MMDC_P1_MDMISC 0x021b4018 507 #define MX6_MMDC_P1_MDSCR 0x021b401c 508 #define MX6_MMDC_P1_MDREF 0x021b4020 509 #define MX6_MMDC_P1_MDRWD 0x021b402c 510 #define MX6_MMDC_P1_MDOR 0x021b4030 511 #define MX6_MMDC_P1_MDASP 0x021b4040 512 #define MX6_MMDC_P1_MAPSR 0x021b4404 513 #define MX6_MMDC_P1_MPZQHWCTRL 0x021b4800 514 #define MX6_MMDC_P1_MPWLDECTRL0 0x021b480c 515 #define MX6_MMDC_P1_MPWLDECTRL1 0x021b4810 516 #define MX6_MMDC_P1_MPODTCTRL 0x021b4818 517 #define MX6_MMDC_P1_MPRDDQBY0DL 0x021b481c 518 #define MX6_MMDC_P1_MPRDDQBY1DL 0x021b4820 519 #define MX6_MMDC_P1_MPRDDQBY2DL 0x021b4824 520 #define MX6_MMDC_P1_MPRDDQBY3DL 0x021b4828 521 #define MX6_MMDC_P1_MPDGCTRL0 0x021b483c 522 #define MX6_MMDC_P1_MPDGCTRL1 0x021b4840 523 #define MX6_MMDC_P1_MPRDDLCTL 0x021b4848 524 #define MX6_MMDC_P1_MPWRDLCTL 0x021b4850 525 #define MX6_MMDC_P1_MPMUR0 0x021b48b8 526 527 #endif /*__ASM_ARCH_MX6_DDR_H__ */ 528