pciide.c revision 1.194
1 /* $NetBSD: pciide.c,v 1.194 2003/06/28 23:13:26 bouyer Exp $ */ 2 3 4 /* 5 * Copyright (c) 1999, 2000, 2001 Manuel Bouyer. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Manuel Bouyer. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 36 /* 37 * Copyright (c) 1996, 1998 Christopher G. Demetriou. All rights reserved. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. All advertising materials mentioning features or use of this software 48 * must display the following acknowledgement: 49 * This product includes software developed by Christopher G. Demetriou 50 * for the NetBSD Project. 51 * 4. The name of the author may not be used to endorse or promote products 52 * derived from this software without specific prior written permission 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 55 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 56 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 57 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 58 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 59 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 63 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 64 */ 65 66 /* 67 * PCI IDE controller driver. 68 * 69 * Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD 70 * sys/dev/pci/ppb.c, revision 1.16). 71 * 72 * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" and 73 * "Programming Interface for Bus Master IDE Controller, Revision 1.0 74 * 5/16/94" from the PCI SIG. 75 * 76 */ 77 78 #include <sys/cdefs.h> 79 __KERNEL_RCSID(0, "$NetBSD: pciide.c,v 1.194 2003/06/28 23:13:26 bouyer Exp $"); 80 81 #ifndef WDCDEBUG 82 #define WDCDEBUG 83 #endif 84 85 #define DEBUG_DMA 0x01 86 #define DEBUG_XFERS 0x02 87 #define DEBUG_FUNCS 0x08 88 #define DEBUG_PROBE 0x10 89 #ifdef WDCDEBUG 90 int wdcdebug_pciide_mask = 0; 91 #define WDCDEBUG_PRINT(args, level) \ 92 if (wdcdebug_pciide_mask & (level)) printf args 93 #else 94 #define WDCDEBUG_PRINT(args, level) 95 #endif 96 #include <sys/param.h> 97 #include <sys/systm.h> 98 #include <sys/device.h> 99 #include <sys/malloc.h> 100 101 #include <uvm/uvm_extern.h> 102 103 #include <machine/endian.h> 104 105 #include <dev/pci/pcireg.h> 106 #include <dev/pci/pcivar.h> 107 #include <dev/pci/pcidevs.h> 108 #include <dev/pci/pciidereg.h> 109 #include <dev/pci/pciidevar.h> 110 #include <dev/pci/pciide_piix_reg.h> 111 #include <dev/pci/pciide_amd_reg.h> 112 #include <dev/pci/pciide_apollo_reg.h> 113 #include <dev/pci/pciide_cmd_reg.h> 114 #include <dev/pci/pciide_cy693_reg.h> 115 #include <dev/pci/pciide_sis_reg.h> 116 #include <dev/pci/pciide_acer_reg.h> 117 #include <dev/pci/pciide_pdc202xx_reg.h> 118 #include <dev/pci/pciide_opti_reg.h> 119 #include <dev/pci/pciide_hpt_reg.h> 120 #include <dev/pci/pciide_acard_reg.h> 121 #include <dev/pci/pciide_sl82c105_reg.h> 122 #include <dev/pci/pciide_i31244_reg.h> 123 #include <dev/pci/pciide_sii3112_reg.h> 124 #include <dev/pci/cy82c693var.h> 125 126 #include "opt_pciide.h" 127 128 static const char dmaerrfmt[] = 129 "%s:%d: unable to %s table DMA map for drive %d, error=%d\n"; 130 131 /* inlines for reading/writing 8-bit PCI registers */ 132 static __inline u_int8_t pciide_pci_read __P((pci_chipset_tag_t, pcitag_t, 133 int)); 134 static __inline void pciide_pci_write __P((pci_chipset_tag_t, pcitag_t, 135 int, u_int8_t)); 136 137 static __inline u_int8_t 138 pciide_pci_read(pc, pa, reg) 139 pci_chipset_tag_t pc; 140 pcitag_t pa; 141 int reg; 142 { 143 144 return (pci_conf_read(pc, pa, (reg & ~0x03)) >> 145 ((reg & 0x03) * 8) & 0xff); 146 } 147 148 static __inline void 149 pciide_pci_write(pc, pa, reg, val) 150 pci_chipset_tag_t pc; 151 pcitag_t pa; 152 int reg; 153 u_int8_t val; 154 { 155 pcireg_t pcival; 156 157 pcival = pci_conf_read(pc, pa, (reg & ~0x03)); 158 pcival &= ~(0xff << ((reg & 0x03) * 8)); 159 pcival |= (val << ((reg & 0x03) * 8)); 160 pci_conf_write(pc, pa, (reg & ~0x03), pcival); 161 } 162 163 void default_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 164 165 void sata_setup_channel __P((struct channel_softc*)); 166 167 void piix_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 168 void piix_setup_channel __P((struct channel_softc*)); 169 void piix3_4_setup_channel __P((struct channel_softc*)); 170 static u_int32_t piix_setup_idetim_timings __P((u_int8_t, u_int8_t, u_int8_t)); 171 static u_int32_t piix_setup_idetim_drvs __P((struct ata_drive_datas*)); 172 static u_int32_t piix_setup_sidetim_timings __P((u_int8_t, u_int8_t, u_int8_t)); 173 174 void amd7x6_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 175 void amd7x6_setup_channel __P((struct channel_softc*)); 176 177 void apollo_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 178 void apollo_setup_channel __P((struct channel_softc*)); 179 180 void cmd_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 181 void cmd0643_9_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 182 void cmd0643_9_setup_channel __P((struct channel_softc*)); 183 void cmd_channel_map __P((struct pci_attach_args *, 184 struct pciide_softc *, int)); 185 int cmd_pci_intr __P((void *)); 186 void cmd646_9_irqack __P((struct channel_softc *)); 187 void cmd680_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 188 void cmd680_setup_channel __P((struct channel_softc*)); 189 void cmd680_channel_map __P((struct pci_attach_args *, 190 struct pciide_softc *, int)); 191 192 void cmd3112_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 193 void cmd3112_setup_channel __P((struct channel_softc*)); 194 195 void cy693_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 196 void cy693_setup_channel __P((struct channel_softc*)); 197 198 void sis_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 199 void sis_setup_channel __P((struct channel_softc*)); 200 void sis96x_setup_channel __P((struct channel_softc*)); 201 static int sis_hostbr_match __P(( struct pci_attach_args *)); 202 static int sis_south_match __P(( struct pci_attach_args *)); 203 204 void acer_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 205 void acer_setup_channel __P((struct channel_softc*)); 206 int acer_pci_intr __P((void *)); 207 208 void pdc202xx_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 209 void pdc202xx_setup_channel __P((struct channel_softc*)); 210 void pdc20268_setup_channel __P((struct channel_softc*)); 211 int pdc202xx_pci_intr __P((void *)); 212 int pdc20265_pci_intr __P((void *)); 213 static void pdc20262_dma_start __P((void*, int, int)); 214 static int pdc20262_dma_finish __P((void*, int, int, int)); 215 216 void opti_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 217 void opti_setup_channel __P((struct channel_softc*)); 218 219 void hpt_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 220 void hpt_setup_channel __P((struct channel_softc*)); 221 int hpt_pci_intr __P((void *)); 222 223 void acard_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 224 void acard_setup_channel __P((struct channel_softc*)); 225 int acard_pci_intr __P((void *)); 226 227 void serverworks_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 228 void serverworks_setup_channel __P((struct channel_softc*)); 229 int serverworks_pci_intr __P((void *)); 230 231 void sl82c105_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 232 void sl82c105_setup_channel __P((struct channel_softc*)); 233 234 void pciide_channel_dma_setup __P((struct pciide_channel *)); 235 int pciide_dma_table_setup __P((struct pciide_softc*, int, int)); 236 int pciide_dma_init __P((void*, int, int, void *, size_t, int)); 237 void pciide_dma_start __P((void*, int, int)); 238 int pciide_dma_finish __P((void*, int, int, int)); 239 void pciide_irqack __P((struct channel_softc *)); 240 void pciide_print_modes __P((struct pciide_channel *)); 241 242 void artisea_chip_map __P((struct pciide_softc*, struct pci_attach_args *)); 243 244 struct pciide_product_desc { 245 u_int32_t ide_product; 246 int ide_flags; 247 const char *ide_name; 248 /* map and setup chip, probe drives */ 249 void (*chip_map) __P((struct pciide_softc*, struct pci_attach_args*)); 250 }; 251 252 /* Flags for ide_flags */ 253 #define IDE_PCI_CLASS_OVERRIDE 0x0001 /* accept even if class != pciide */ 254 #define IDE_16BIT_IOSPACE 0x0002 /* I/O space BARS ignore upper word */ 255 256 /* Default product description for devices not known from this controller */ 257 const struct pciide_product_desc default_product_desc = { 258 0, 259 0, 260 "Generic PCI IDE controller", 261 default_chip_map, 262 }; 263 264 const struct pciide_product_desc pciide_intel_products[] = { 265 { PCI_PRODUCT_INTEL_82092AA, 266 0, 267 "Intel 82092AA IDE controller", 268 default_chip_map, 269 }, 270 { PCI_PRODUCT_INTEL_82371FB_IDE, 271 0, 272 "Intel 82371FB IDE controller (PIIX)", 273 piix_chip_map, 274 }, 275 { PCI_PRODUCT_INTEL_82371SB_IDE, 276 0, 277 "Intel 82371SB IDE Interface (PIIX3)", 278 piix_chip_map, 279 }, 280 { PCI_PRODUCT_INTEL_82371AB_IDE, 281 0, 282 "Intel 82371AB IDE controller (PIIX4)", 283 piix_chip_map, 284 }, 285 { PCI_PRODUCT_INTEL_82440MX_IDE, 286 0, 287 "Intel 82440MX IDE controller", 288 piix_chip_map 289 }, 290 { PCI_PRODUCT_INTEL_82801AA_IDE, 291 0, 292 "Intel 82801AA IDE Controller (ICH)", 293 piix_chip_map, 294 }, 295 { PCI_PRODUCT_INTEL_82801AB_IDE, 296 0, 297 "Intel 82801AB IDE Controller (ICH0)", 298 piix_chip_map, 299 }, 300 { PCI_PRODUCT_INTEL_82801BA_IDE, 301 0, 302 "Intel 82801BA IDE Controller (ICH2)", 303 piix_chip_map, 304 }, 305 { PCI_PRODUCT_INTEL_82801BAM_IDE, 306 0, 307 "Intel 82801BAM IDE Controller (ICH2-M)", 308 piix_chip_map, 309 }, 310 { PCI_PRODUCT_INTEL_82801CA_IDE_1, 311 0, 312 "Intel 82801CA IDE Controller (ICH3)", 313 piix_chip_map, 314 }, 315 { PCI_PRODUCT_INTEL_82801CA_IDE_2, 316 0, 317 "Intel 82801CA IDE Controller (ICH3)", 318 piix_chip_map, 319 }, 320 { PCI_PRODUCT_INTEL_82801DB_IDE, 321 0, 322 "Intel 82801DB IDE Controller (ICH4)", 323 piix_chip_map, 324 }, 325 { PCI_PRODUCT_INTEL_82801DBM_IDE, 326 0, 327 "Intel 82801DBM IDE Controller (ICH4-M)", 328 piix_chip_map, 329 }, 330 { PCI_PRODUCT_INTEL_82801EB_IDE, 331 0, 332 "Intel 82801EB IDE Controller (ICH5)", 333 piix_chip_map, 334 }, 335 { PCI_PRODUCT_INTEL_31244, 336 0, 337 "Intel 31244 Serial ATA Controller", 338 artisea_chip_map, 339 }, 340 { 0, 341 0, 342 NULL, 343 NULL 344 } 345 }; 346 347 const struct pciide_product_desc pciide_amd_products[] = { 348 { PCI_PRODUCT_AMD_PBC756_IDE, 349 0, 350 "Advanced Micro Devices AMD756 IDE Controller", 351 amd7x6_chip_map 352 }, 353 { PCI_PRODUCT_AMD_PBC766_IDE, 354 0, 355 "Advanced Micro Devices AMD766 IDE Controller", 356 amd7x6_chip_map 357 }, 358 { PCI_PRODUCT_AMD_PBC768_IDE, 359 0, 360 "Advanced Micro Devices AMD768 IDE Controller", 361 amd7x6_chip_map 362 }, 363 { PCI_PRODUCT_AMD_PBC8111_IDE, 364 0, 365 "Advanced Micro Devices AMD8111 IDE Controller", 366 amd7x6_chip_map 367 }, 368 { 0, 369 0, 370 NULL, 371 NULL 372 } 373 }; 374 375 const struct pciide_product_desc pciide_nvidia_products[] = { 376 { PCI_PRODUCT_NVIDIA_NFORCE_ATA100, 377 0, 378 "NVIDIA nForce IDE Controller", 379 amd7x6_chip_map 380 }, 381 { PCI_PRODUCT_NVIDIA_NFORCE2_ATA133, 382 0, 383 "NVIDIA nForce2 IDE Controller", 384 amd7x6_chip_map 385 }, 386 { 0, 387 0, 388 NULL, 389 NULL 390 } 391 }; 392 393 const struct pciide_product_desc pciide_cmd_products[] = { 394 { PCI_PRODUCT_CMDTECH_640, 395 0, 396 "CMD Technology PCI0640", 397 cmd_chip_map 398 }, 399 { PCI_PRODUCT_CMDTECH_643, 400 0, 401 "CMD Technology PCI0643", 402 cmd0643_9_chip_map, 403 }, 404 { PCI_PRODUCT_CMDTECH_646, 405 0, 406 "CMD Technology PCI0646", 407 cmd0643_9_chip_map, 408 }, 409 { PCI_PRODUCT_CMDTECH_648, 410 IDE_PCI_CLASS_OVERRIDE, 411 "CMD Technology PCI0648", 412 cmd0643_9_chip_map, 413 }, 414 { PCI_PRODUCT_CMDTECH_649, 415 IDE_PCI_CLASS_OVERRIDE, 416 "CMD Technology PCI0649", 417 cmd0643_9_chip_map, 418 }, 419 { PCI_PRODUCT_CMDTECH_680, 420 IDE_PCI_CLASS_OVERRIDE, 421 "Silicon Image 0680", 422 cmd680_chip_map, 423 }, 424 { PCI_PRODUCT_CMDTECH_3112, 425 IDE_PCI_CLASS_OVERRIDE, 426 "Silicon Image SATALink 3112", 427 cmd3112_chip_map, 428 }, 429 { 0, 430 0, 431 NULL, 432 NULL 433 } 434 }; 435 436 const struct pciide_product_desc pciide_via_products[] = { 437 { PCI_PRODUCT_VIATECH_VT82C586_IDE, 438 0, 439 NULL, 440 apollo_chip_map, 441 }, 442 { PCI_PRODUCT_VIATECH_VT82C586A_IDE, 443 0, 444 NULL, 445 apollo_chip_map, 446 }, 447 { 0, 448 0, 449 NULL, 450 NULL 451 } 452 }; 453 454 const struct pciide_product_desc pciide_cypress_products[] = { 455 { PCI_PRODUCT_CONTAQ_82C693, 456 IDE_16BIT_IOSPACE, 457 "Cypress 82C693 IDE Controller", 458 cy693_chip_map, 459 }, 460 { 0, 461 0, 462 NULL, 463 NULL 464 } 465 }; 466 467 const struct pciide_product_desc pciide_sis_products[] = { 468 { PCI_PRODUCT_SIS_5597_IDE, 469 0, 470 NULL, 471 sis_chip_map, 472 }, 473 { 0, 474 0, 475 NULL, 476 NULL 477 } 478 }; 479 480 const struct pciide_product_desc pciide_acer_products[] = { 481 { PCI_PRODUCT_ALI_M5229, 482 0, 483 "Acer Labs M5229 UDMA IDE Controller", 484 acer_chip_map, 485 }, 486 { 0, 487 0, 488 NULL, 489 NULL 490 } 491 }; 492 493 const struct pciide_product_desc pciide_promise_products[] = { 494 { PCI_PRODUCT_PROMISE_ULTRA33, 495 IDE_PCI_CLASS_OVERRIDE, 496 "Promise Ultra33/ATA Bus Master IDE Accelerator", 497 pdc202xx_chip_map, 498 }, 499 { PCI_PRODUCT_PROMISE_ULTRA66, 500 IDE_PCI_CLASS_OVERRIDE, 501 "Promise Ultra66/ATA Bus Master IDE Accelerator", 502 pdc202xx_chip_map, 503 }, 504 { PCI_PRODUCT_PROMISE_ULTRA100, 505 IDE_PCI_CLASS_OVERRIDE, 506 "Promise Ultra100/ATA Bus Master IDE Accelerator", 507 pdc202xx_chip_map, 508 }, 509 { PCI_PRODUCT_PROMISE_ULTRA100X, 510 IDE_PCI_CLASS_OVERRIDE, 511 "Promise Ultra100/ATA Bus Master IDE Accelerator", 512 pdc202xx_chip_map, 513 }, 514 { PCI_PRODUCT_PROMISE_ULTRA100TX2, 515 IDE_PCI_CLASS_OVERRIDE, 516 "Promise Ultra100TX2/ATA Bus Master IDE Accelerator", 517 pdc202xx_chip_map, 518 }, 519 { PCI_PRODUCT_PROMISE_ULTRA100TX2v2, 520 IDE_PCI_CLASS_OVERRIDE, 521 "Promise Ultra100TX2v2/ATA Bus Master IDE Accelerator", 522 pdc202xx_chip_map, 523 }, 524 { PCI_PRODUCT_PROMISE_ULTRA133, 525 IDE_PCI_CLASS_OVERRIDE, 526 "Promise Ultra133/ATA Bus Master IDE Accelerator", 527 pdc202xx_chip_map, 528 }, 529 { PCI_PRODUCT_PROMISE_ULTRA133TX2, 530 IDE_PCI_CLASS_OVERRIDE, 531 "Promise Ultra133TX2/ATA Bus Master IDE Accelerator", 532 pdc202xx_chip_map, 533 }, 534 { PCI_PRODUCT_PROMISE_MBULTRA133, 535 IDE_PCI_CLASS_OVERRIDE, 536 "Promise Ultra133/ATA Bus Master IDE Accelerator (MB)", 537 pdc202xx_chip_map, 538 }, 539 { PCI_PRODUCT_PROMISE_ULTRA133TX2v2, 540 IDE_PCI_CLASS_OVERRIDE, 541 "Promise Ultra133TX2v2/ATA Bus Master IDE Accelerator", 542 pdc202xx_chip_map, 543 }, 544 { PCI_PRODUCT_PROMISE_FASTTRAK133LITE, 545 IDE_PCI_CLASS_OVERRIDE, 546 "Promise Fasttrak133 Lite Bus Master IDE Accelerator", 547 pdc202xx_chip_map, 548 }, 549 { PCI_PRODUCT_PROMISE_SATA150TX2PLUS, 550 IDE_PCI_CLASS_OVERRIDE, 551 "Promise Serial ATA/150 TX2plus Bus Master IDE Accelerator", 552 pdc202xx_chip_map, 553 }, 554 { 0, 555 0, 556 NULL, 557 NULL 558 } 559 }; 560 561 const struct pciide_product_desc pciide_opti_products[] = { 562 { PCI_PRODUCT_OPTI_82C621, 563 0, 564 "OPTi 82c621 PCI IDE controller", 565 opti_chip_map, 566 }, 567 { PCI_PRODUCT_OPTI_82C568, 568 0, 569 "OPTi 82c568 (82c621 compatible) PCI IDE controller", 570 opti_chip_map, 571 }, 572 { PCI_PRODUCT_OPTI_82D568, 573 0, 574 "OPTi 82d568 (82c621 compatible) PCI IDE controller", 575 opti_chip_map, 576 }, 577 { 0, 578 0, 579 NULL, 580 NULL 581 } 582 }; 583 584 const struct pciide_product_desc pciide_triones_products[] = { 585 { PCI_PRODUCT_TRIONES_HPT366, 586 IDE_PCI_CLASS_OVERRIDE, 587 NULL, 588 hpt_chip_map, 589 }, 590 { PCI_PRODUCT_TRIONES_HPT372, 591 IDE_PCI_CLASS_OVERRIDE, 592 NULL, 593 hpt_chip_map 594 }, 595 { PCI_PRODUCT_TRIONES_HPT374, 596 IDE_PCI_CLASS_OVERRIDE, 597 NULL, 598 hpt_chip_map 599 }, 600 { 0, 601 0, 602 NULL, 603 NULL 604 } 605 }; 606 607 const struct pciide_product_desc pciide_acard_products[] = { 608 { PCI_PRODUCT_ACARD_ATP850U, 609 IDE_PCI_CLASS_OVERRIDE, 610 "Acard ATP850U Ultra33 IDE Controller", 611 acard_chip_map, 612 }, 613 { PCI_PRODUCT_ACARD_ATP860, 614 IDE_PCI_CLASS_OVERRIDE, 615 "Acard ATP860 Ultra66 IDE Controller", 616 acard_chip_map, 617 }, 618 { PCI_PRODUCT_ACARD_ATP860A, 619 IDE_PCI_CLASS_OVERRIDE, 620 "Acard ATP860-A Ultra66 IDE Controller", 621 acard_chip_map, 622 }, 623 { 0, 624 0, 625 NULL, 626 NULL 627 } 628 }; 629 630 const struct pciide_product_desc pciide_serverworks_products[] = { 631 { PCI_PRODUCT_SERVERWORKS_OSB4_IDE, 632 0, 633 "ServerWorks OSB4 IDE Controller", 634 serverworks_chip_map, 635 }, 636 { PCI_PRODUCT_SERVERWORKS_CSB5_IDE, 637 0, 638 "ServerWorks CSB5 IDE Controller", 639 serverworks_chip_map, 640 }, 641 { PCI_PRODUCT_SERVERWORKS_CSB6_IDE, 642 0, 643 "ServerWorks CSB6 RAID/IDE Controller", 644 serverworks_chip_map, 645 }, 646 { 0, 647 0, 648 NULL, 649 } 650 }; 651 652 const struct pciide_product_desc pciide_symphony_products[] = { 653 { PCI_PRODUCT_SYMPHONY_82C105, 654 0, 655 "Symphony Labs 82C105 IDE controller", 656 sl82c105_chip_map, 657 }, 658 { 0, 659 0, 660 NULL, 661 } 662 }; 663 664 const struct pciide_product_desc pciide_winbond_products[] = { 665 { PCI_PRODUCT_WINBOND_W83C553F_1, 666 0, 667 "Winbond W83C553F IDE controller", 668 sl82c105_chip_map, 669 }, 670 { 0, 671 0, 672 NULL, 673 } 674 }; 675 676 struct pciide_vendor_desc { 677 u_int32_t ide_vendor; 678 const struct pciide_product_desc *ide_products; 679 }; 680 681 const struct pciide_vendor_desc pciide_vendors[] = { 682 { PCI_VENDOR_INTEL, pciide_intel_products }, 683 { PCI_VENDOR_CMDTECH, pciide_cmd_products }, 684 { PCI_VENDOR_VIATECH, pciide_via_products }, 685 { PCI_VENDOR_CONTAQ, pciide_cypress_products }, 686 { PCI_VENDOR_SIS, pciide_sis_products }, 687 { PCI_VENDOR_ALI, pciide_acer_products }, 688 { PCI_VENDOR_PROMISE, pciide_promise_products }, 689 { PCI_VENDOR_AMD, pciide_amd_products }, 690 { PCI_VENDOR_OPTI, pciide_opti_products }, 691 { PCI_VENDOR_TRIONES, pciide_triones_products }, 692 { PCI_VENDOR_ACARD, pciide_acard_products }, 693 { PCI_VENDOR_SERVERWORKS, pciide_serverworks_products }, 694 { PCI_VENDOR_SYMPHONY, pciide_symphony_products }, 695 { PCI_VENDOR_WINBOND, pciide_winbond_products }, 696 { PCI_VENDOR_NVIDIA, pciide_nvidia_products }, 697 { 0, NULL } 698 }; 699 700 /* options passed via the 'flags' config keyword */ 701 #define PCIIDE_OPTIONS_DMA 0x01 702 #define PCIIDE_OPTIONS_NODMA 0x02 703 704 int pciide_match __P((struct device *, struct cfdata *, void *)); 705 void pciide_attach __P((struct device *, struct device *, void *)); 706 707 CFATTACH_DECL(pciide, sizeof(struct pciide_softc), 708 pciide_match, pciide_attach, NULL, NULL); 709 710 int pciide_chipen __P((struct pciide_softc *, struct pci_attach_args *)); 711 int pciide_mapregs_compat __P(( struct pci_attach_args *, 712 struct pciide_channel *, int, bus_size_t *, bus_size_t*)); 713 int pciide_mapregs_native __P((struct pci_attach_args *, 714 struct pciide_channel *, bus_size_t *, bus_size_t *, 715 int (*pci_intr) __P((void *)))); 716 void pciide_mapreg_dma __P((struct pciide_softc *, 717 struct pci_attach_args *)); 718 int pciide_chansetup __P((struct pciide_softc *, int, pcireg_t)); 719 void pciide_mapchan __P((struct pci_attach_args *, 720 struct pciide_channel *, pcireg_t, bus_size_t *, bus_size_t *, 721 int (*pci_intr) __P((void *)))); 722 int pciide_chan_candisable __P((struct pciide_channel *)); 723 void pciide_map_compat_intr __P(( struct pci_attach_args *, 724 struct pciide_channel *, int, int)); 725 int pciide_compat_intr __P((void *)); 726 int pciide_pci_intr __P((void *)); 727 const struct pciide_product_desc* pciide_lookup_product __P((u_int32_t)); 728 729 const struct pciide_product_desc * 730 pciide_lookup_product(id) 731 u_int32_t id; 732 { 733 const struct pciide_product_desc *pp; 734 const struct pciide_vendor_desc *vp; 735 736 for (vp = pciide_vendors; vp->ide_products != NULL; vp++) 737 if (PCI_VENDOR(id) == vp->ide_vendor) 738 break; 739 740 if ((pp = vp->ide_products) == NULL) 741 return NULL; 742 743 for (; pp->chip_map != NULL; pp++) 744 if (PCI_PRODUCT(id) == pp->ide_product) 745 break; 746 747 if (pp->chip_map == NULL) 748 return NULL; 749 return pp; 750 } 751 752 int 753 pciide_match(parent, match, aux) 754 struct device *parent; 755 struct cfdata *match; 756 void *aux; 757 { 758 struct pci_attach_args *pa = aux; 759 const struct pciide_product_desc *pp; 760 761 /* 762 * Check the ID register to see that it's a PCI IDE controller. 763 * If it is, we assume that we can deal with it; it _should_ 764 * work in a standardized way... 765 */ 766 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && 767 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 768 return (1); 769 } 770 771 /* 772 * Some controllers (e.g. promise Utra-33) don't claim to be PCI IDE 773 * controllers. Let see if we can deal with it anyway. 774 */ 775 pp = pciide_lookup_product(pa->pa_id); 776 if (pp != NULL && (pp->ide_flags & IDE_PCI_CLASS_OVERRIDE)) { 777 return (1); 778 } 779 780 return (0); 781 } 782 783 void 784 pciide_attach(parent, self, aux) 785 struct device *parent, *self; 786 void *aux; 787 { 788 struct pci_attach_args *pa = aux; 789 pci_chipset_tag_t pc = pa->pa_pc; 790 pcitag_t tag = pa->pa_tag; 791 struct pciide_softc *sc = (struct pciide_softc *)self; 792 pcireg_t csr; 793 char devinfo[256]; 794 const char *displaydev; 795 796 aprint_naive(": disk controller\n"); 797 798 sc->sc_pci_vendor = PCI_VENDOR(pa->pa_id); 799 sc->sc_pp = pciide_lookup_product(pa->pa_id); 800 if (sc->sc_pp == NULL) { 801 sc->sc_pp = &default_product_desc; 802 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 803 displaydev = devinfo; 804 } else 805 displaydev = sc->sc_pp->ide_name; 806 807 /* if displaydev == NULL, printf is done in chip-specific map */ 808 if (displaydev) 809 aprint_normal(": %s (rev. 0x%02x)\n", displaydev, 810 PCI_REVISION(pa->pa_class)); 811 812 sc->sc_pc = pa->pa_pc; 813 sc->sc_tag = pa->pa_tag; 814 815 /* Set up DMA defaults; these might be adjusted by chip_map. */ 816 sc->sc_dma_maxsegsz = IDEDMA_BYTE_COUNT_MAX; 817 sc->sc_dma_boundary = IDEDMA_BYTE_COUNT_ALIGN; 818 819 #ifdef WDCDEBUG 820 if (wdcdebug_pciide_mask & DEBUG_PROBE) 821 pci_conf_print(sc->sc_pc, sc->sc_tag, NULL); 822 #endif 823 sc->sc_pp->chip_map(sc, pa); 824 825 if (sc->sc_dma_ok) { 826 csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 827 csr |= PCI_COMMAND_MASTER_ENABLE; 828 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr); 829 } 830 WDCDEBUG_PRINT(("pciide: command/status register=%x\n", 831 pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG)), DEBUG_PROBE); 832 } 833 834 /* tell whether the chip is enabled or not */ 835 int 836 pciide_chipen(sc, pa) 837 struct pciide_softc *sc; 838 struct pci_attach_args *pa; 839 { 840 pcireg_t csr; 841 if ((pa->pa_flags & PCI_FLAGS_IO_ENABLED) == 0) { 842 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 843 PCI_COMMAND_STATUS_REG); 844 aprint_normal("%s: device disabled (at %s)\n", 845 sc->sc_wdcdev.sc_dev.dv_xname, 846 (csr & PCI_COMMAND_IO_ENABLE) == 0 ? 847 "device" : "bridge"); 848 return 0; 849 } 850 return 1; 851 } 852 853 int 854 pciide_mapregs_compat(pa, cp, compatchan, cmdsizep, ctlsizep) 855 struct pci_attach_args *pa; 856 struct pciide_channel *cp; 857 int compatchan; 858 bus_size_t *cmdsizep, *ctlsizep; 859 { 860 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 861 struct channel_softc *wdc_cp = &cp->wdc_channel; 862 863 cp->compat = 1; 864 *cmdsizep = PCIIDE_COMPAT_CMD_SIZE; 865 *ctlsizep = PCIIDE_COMPAT_CTL_SIZE; 866 867 wdc_cp->cmd_iot = pa->pa_iot; 868 if (bus_space_map(wdc_cp->cmd_iot, PCIIDE_COMPAT_CMD_BASE(compatchan), 869 PCIIDE_COMPAT_CMD_SIZE, 0, &wdc_cp->cmd_ioh) != 0) { 870 aprint_error("%s: couldn't map %s channel cmd regs\n", 871 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 872 return (0); 873 } 874 875 wdc_cp->ctl_iot = pa->pa_iot; 876 if (bus_space_map(wdc_cp->ctl_iot, PCIIDE_COMPAT_CTL_BASE(compatchan), 877 PCIIDE_COMPAT_CTL_SIZE, 0, &wdc_cp->ctl_ioh) != 0) { 878 aprint_error("%s: couldn't map %s channel ctl regs\n", 879 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 880 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, 881 PCIIDE_COMPAT_CMD_SIZE); 882 return (0); 883 } 884 885 return (1); 886 } 887 888 int 889 pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, pci_intr) 890 struct pci_attach_args * pa; 891 struct pciide_channel *cp; 892 bus_size_t *cmdsizep, *ctlsizep; 893 int (*pci_intr) __P((void *)); 894 { 895 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 896 struct channel_softc *wdc_cp = &cp->wdc_channel; 897 const char *intrstr; 898 pci_intr_handle_t intrhandle; 899 900 cp->compat = 0; 901 902 if (sc->sc_pci_ih == NULL) { 903 if (pci_intr_map(pa, &intrhandle) != 0) { 904 aprint_error("%s: couldn't map native-PCI interrupt\n", 905 sc->sc_wdcdev.sc_dev.dv_xname); 906 return 0; 907 } 908 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 909 sc->sc_pci_ih = pci_intr_establish(pa->pa_pc, 910 intrhandle, IPL_BIO, pci_intr, sc); 911 if (sc->sc_pci_ih != NULL) { 912 aprint_normal("%s: using %s for native-PCI interrupt\n", 913 sc->sc_wdcdev.sc_dev.dv_xname, 914 intrstr ? intrstr : "unknown interrupt"); 915 } else { 916 aprint_error( 917 "%s: couldn't establish native-PCI interrupt", 918 sc->sc_wdcdev.sc_dev.dv_xname); 919 if (intrstr != NULL) 920 aprint_normal(" at %s", intrstr); 921 aprint_normal("\n"); 922 return 0; 923 } 924 } 925 cp->ih = sc->sc_pci_ih; 926 if (pci_mapreg_map(pa, PCIIDE_REG_CMD_BASE(wdc_cp->channel), 927 PCI_MAPREG_TYPE_IO, 0, 928 &wdc_cp->cmd_iot, &wdc_cp->cmd_ioh, NULL, cmdsizep) != 0) { 929 aprint_error("%s: couldn't map %s channel cmd regs\n", 930 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 931 return 0; 932 } 933 934 if (pci_mapreg_map(pa, PCIIDE_REG_CTL_BASE(wdc_cp->channel), 935 PCI_MAPREG_TYPE_IO, 0, 936 &wdc_cp->ctl_iot, &cp->ctl_baseioh, NULL, ctlsizep) != 0) { 937 aprint_error("%s: couldn't map %s channel ctl regs\n", 938 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 939 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); 940 return 0; 941 } 942 /* 943 * In native mode, 4 bytes of I/O space are mapped for the control 944 * register, the control register is at offset 2. Pass the generic 945 * code a handle for only one byte at the right offset. 946 */ 947 if (bus_space_subregion(wdc_cp->ctl_iot, cp->ctl_baseioh, 2, 1, 948 &wdc_cp->ctl_ioh) != 0) { 949 aprint_error("%s: unable to subregion %s channel ctl regs\n", 950 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 951 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); 952 bus_space_unmap(wdc_cp->cmd_iot, cp->ctl_baseioh, *ctlsizep); 953 return 0; 954 } 955 return (1); 956 } 957 958 void 959 pciide_mapreg_dma(sc, pa) 960 struct pciide_softc *sc; 961 struct pci_attach_args *pa; 962 { 963 pcireg_t maptype; 964 bus_addr_t addr; 965 966 /* 967 * Map DMA registers 968 * 969 * Note that sc_dma_ok is the right variable to test to see if 970 * DMA can be done. If the interface doesn't support DMA, 971 * sc_dma_ok will never be non-zero. If the DMA regs couldn't 972 * be mapped, it'll be zero. I.e., sc_dma_ok will only be 973 * non-zero if the interface supports DMA and the registers 974 * could be mapped. 975 * 976 * XXX Note that despite the fact that the Bus Master IDE specs 977 * XXX say that "The bus master IDE function uses 16 bytes of IO 978 * XXX space," some controllers (at least the United 979 * XXX Microelectronics UM8886BF) place it in memory space. 980 */ 981 maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, 982 PCIIDE_REG_BUS_MASTER_DMA); 983 984 switch (maptype) { 985 case PCI_MAPREG_TYPE_IO: 986 sc->sc_dma_ok = (pci_mapreg_info(pa->pa_pc, pa->pa_tag, 987 PCIIDE_REG_BUS_MASTER_DMA, PCI_MAPREG_TYPE_IO, 988 &addr, NULL, NULL) == 0); 989 if (sc->sc_dma_ok == 0) { 990 aprint_normal( 991 ", but unused (couldn't query registers)"); 992 break; 993 } 994 if ((sc->sc_pp->ide_flags & IDE_16BIT_IOSPACE) 995 && addr >= 0x10000) { 996 sc->sc_dma_ok = 0; 997 aprint_normal( 998 ", but unused (registers at unsafe address " 999 "%#lx)", (unsigned long)addr); 1000 break; 1001 } 1002 /* FALLTHROUGH */ 1003 1004 case PCI_MAPREG_MEM_TYPE_32BIT: 1005 sc->sc_dma_ok = (pci_mapreg_map(pa, 1006 PCIIDE_REG_BUS_MASTER_DMA, maptype, 0, 1007 &sc->sc_dma_iot, &sc->sc_dma_ioh, NULL, NULL) == 0); 1008 sc->sc_dmat = pa->pa_dmat; 1009 if (sc->sc_dma_ok == 0) { 1010 aprint_normal(", but unused (couldn't map registers)"); 1011 } else { 1012 sc->sc_wdcdev.dma_arg = sc; 1013 sc->sc_wdcdev.dma_init = pciide_dma_init; 1014 sc->sc_wdcdev.dma_start = pciide_dma_start; 1015 sc->sc_wdcdev.dma_finish = pciide_dma_finish; 1016 } 1017 1018 if (sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags & 1019 PCIIDE_OPTIONS_NODMA) { 1020 aprint_normal( 1021 ", but unused (forced off by config file)"); 1022 sc->sc_dma_ok = 0; 1023 } 1024 break; 1025 1026 default: 1027 sc->sc_dma_ok = 0; 1028 aprint_normal( 1029 ", but unsupported register maptype (0x%x)", maptype); 1030 } 1031 } 1032 1033 int 1034 pciide_compat_intr(arg) 1035 void *arg; 1036 { 1037 struct pciide_channel *cp = arg; 1038 1039 #ifdef DIAGNOSTIC 1040 /* should only be called for a compat channel */ 1041 if (cp->compat == 0) 1042 panic("pciide compat intr called for non-compat chan %p", cp); 1043 #endif 1044 return (wdcintr(&cp->wdc_channel)); 1045 } 1046 1047 int 1048 pciide_pci_intr(arg) 1049 void *arg; 1050 { 1051 struct pciide_softc *sc = arg; 1052 struct pciide_channel *cp; 1053 struct channel_softc *wdc_cp; 1054 int i, rv, crv; 1055 1056 rv = 0; 1057 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 1058 cp = &sc->pciide_channels[i]; 1059 wdc_cp = &cp->wdc_channel; 1060 1061 /* If a compat channel skip. */ 1062 if (cp->compat) 1063 continue; 1064 /* if this channel not waiting for intr, skip */ 1065 if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) 1066 continue; 1067 1068 crv = wdcintr(wdc_cp); 1069 if (crv == 0) 1070 ; /* leave rv alone */ 1071 else if (crv == 1) 1072 rv = 1; /* claim the intr */ 1073 else if (rv == 0) /* crv should be -1 in this case */ 1074 rv = crv; /* if we've done no better, take it */ 1075 } 1076 return (rv); 1077 } 1078 1079 void 1080 pciide_channel_dma_setup(cp) 1081 struct pciide_channel *cp; 1082 { 1083 int drive; 1084 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1085 struct ata_drive_datas *drvp; 1086 1087 for (drive = 0; drive < 2; drive++) { 1088 drvp = &cp->wdc_channel.ch_drive[drive]; 1089 /* If no drive, skip */ 1090 if ((drvp->drive_flags & DRIVE) == 0) 1091 continue; 1092 /* setup DMA if needed */ 1093 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1094 (drvp->drive_flags & DRIVE_UDMA) == 0) || 1095 sc->sc_dma_ok == 0) { 1096 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 1097 continue; 1098 } 1099 if (pciide_dma_table_setup(sc, cp->wdc_channel.channel, drive) 1100 != 0) { 1101 /* Abort DMA setup */ 1102 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 1103 continue; 1104 } 1105 } 1106 } 1107 1108 int 1109 pciide_dma_table_setup(sc, channel, drive) 1110 struct pciide_softc *sc; 1111 int channel, drive; 1112 { 1113 bus_dma_segment_t seg; 1114 int error, rseg; 1115 const bus_size_t dma_table_size = 1116 sizeof(struct idedma_table) * NIDEDMA_TABLES; 1117 struct pciide_dma_maps *dma_maps = 1118 &sc->pciide_channels[channel].dma_maps[drive]; 1119 1120 /* If table was already allocated, just return */ 1121 if (dma_maps->dma_table) 1122 return 0; 1123 1124 /* Allocate memory for the DMA tables and map it */ 1125 if ((error = bus_dmamem_alloc(sc->sc_dmat, dma_table_size, 1126 IDEDMA_TBL_ALIGN, IDEDMA_TBL_ALIGN, &seg, 1, &rseg, 1127 BUS_DMA_NOWAIT)) != 0) { 1128 aprint_error(dmaerrfmt, sc->sc_wdcdev.sc_dev.dv_xname, channel, 1129 "allocate", drive, error); 1130 return error; 1131 } 1132 if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg, 1133 dma_table_size, 1134 (caddr_t *)&dma_maps->dma_table, 1135 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) != 0) { 1136 aprint_error(dmaerrfmt, sc->sc_wdcdev.sc_dev.dv_xname, channel, 1137 "map", drive, error); 1138 return error; 1139 } 1140 WDCDEBUG_PRINT(("pciide_dma_table_setup: table at %p len %lu, " 1141 "phy 0x%lx\n", dma_maps->dma_table, (u_long)dma_table_size, 1142 (unsigned long)seg.ds_addr), DEBUG_PROBE); 1143 /* Create and load table DMA map for this disk */ 1144 if ((error = bus_dmamap_create(sc->sc_dmat, dma_table_size, 1145 1, dma_table_size, IDEDMA_TBL_ALIGN, BUS_DMA_NOWAIT, 1146 &dma_maps->dmamap_table)) != 0) { 1147 aprint_error(dmaerrfmt, sc->sc_wdcdev.sc_dev.dv_xname, channel, 1148 "create", drive, error); 1149 return error; 1150 } 1151 if ((error = bus_dmamap_load(sc->sc_dmat, 1152 dma_maps->dmamap_table, 1153 dma_maps->dma_table, 1154 dma_table_size, NULL, BUS_DMA_NOWAIT)) != 0) { 1155 aprint_error(dmaerrfmt, sc->sc_wdcdev.sc_dev.dv_xname, channel, 1156 "load", drive, error); 1157 return error; 1158 } 1159 WDCDEBUG_PRINT(("pciide_dma_table_setup: phy addr of table 0x%lx\n", 1160 (unsigned long)dma_maps->dmamap_table->dm_segs[0].ds_addr), 1161 DEBUG_PROBE); 1162 /* Create a xfer DMA map for this drive */ 1163 if ((error = bus_dmamap_create(sc->sc_dmat, IDEDMA_BYTE_COUNT_MAX, 1164 NIDEDMA_TABLES, sc->sc_dma_maxsegsz, sc->sc_dma_boundary, 1165 BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, 1166 &dma_maps->dmamap_xfer)) != 0) { 1167 aprint_error(dmaerrfmt, sc->sc_wdcdev.sc_dev.dv_xname, channel, 1168 "create xfer", drive, error); 1169 return error; 1170 } 1171 return 0; 1172 } 1173 1174 int 1175 pciide_dma_init(v, channel, drive, databuf, datalen, flags) 1176 void *v; 1177 int channel, drive; 1178 void *databuf; 1179 size_t datalen; 1180 int flags; 1181 { 1182 struct pciide_softc *sc = v; 1183 int error, seg; 1184 struct pciide_dma_maps *dma_maps = 1185 &sc->pciide_channels[channel].dma_maps[drive]; 1186 1187 error = bus_dmamap_load(sc->sc_dmat, 1188 dma_maps->dmamap_xfer, 1189 databuf, datalen, NULL, BUS_DMA_NOWAIT | BUS_DMA_STREAMING | 1190 ((flags & WDC_DMA_READ) ? BUS_DMA_READ : BUS_DMA_WRITE)); 1191 if (error) { 1192 printf(dmaerrfmt, sc->sc_wdcdev.sc_dev.dv_xname, channel, 1193 "load xfer", drive, error); 1194 return error; 1195 } 1196 1197 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 1198 dma_maps->dmamap_xfer->dm_mapsize, 1199 (flags & WDC_DMA_READ) ? 1200 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 1201 1202 for (seg = 0; seg < dma_maps->dmamap_xfer->dm_nsegs; seg++) { 1203 #ifdef DIAGNOSTIC 1204 /* A segment must not cross a 64k boundary */ 1205 { 1206 u_long phys = dma_maps->dmamap_xfer->dm_segs[seg].ds_addr; 1207 u_long len = dma_maps->dmamap_xfer->dm_segs[seg].ds_len; 1208 if ((phys & ~IDEDMA_BYTE_COUNT_MASK) != 1209 ((phys + len - 1) & ~IDEDMA_BYTE_COUNT_MASK)) { 1210 printf("pciide_dma: segment %d physical addr 0x%lx" 1211 " len 0x%lx not properly aligned\n", 1212 seg, phys, len); 1213 panic("pciide_dma: buf align"); 1214 } 1215 } 1216 #endif 1217 dma_maps->dma_table[seg].base_addr = 1218 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_addr); 1219 dma_maps->dma_table[seg].byte_count = 1220 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_len & 1221 IDEDMA_BYTE_COUNT_MASK); 1222 WDCDEBUG_PRINT(("\t seg %d len %d addr 0x%x\n", 1223 seg, le32toh(dma_maps->dma_table[seg].byte_count), 1224 le32toh(dma_maps->dma_table[seg].base_addr)), DEBUG_DMA); 1225 1226 } 1227 dma_maps->dma_table[dma_maps->dmamap_xfer->dm_nsegs -1].byte_count |= 1228 htole32(IDEDMA_BYTE_COUNT_EOT); 1229 1230 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_table, 0, 1231 dma_maps->dmamap_table->dm_mapsize, 1232 BUS_DMASYNC_PREWRITE); 1233 1234 /* Maps are ready. Start DMA function */ 1235 #ifdef DIAGNOSTIC 1236 if (dma_maps->dmamap_table->dm_segs[0].ds_addr & ~IDEDMA_TBL_MASK) { 1237 printf("pciide_dma_init: addr 0x%lx not properly aligned\n", 1238 (u_long)dma_maps->dmamap_table->dm_segs[0].ds_addr); 1239 panic("pciide_dma_init: table align"); 1240 } 1241 #endif 1242 1243 /* Clear status bits */ 1244 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1245 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, 1246 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1247 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel)); 1248 /* Write table addr */ 1249 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 1250 IDEDMA_TBL + IDEDMA_SCH_OFFSET * channel, 1251 dma_maps->dmamap_table->dm_segs[0].ds_addr); 1252 /* set read/write */ 1253 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1254 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 1255 (flags & WDC_DMA_READ) ? IDEDMA_CMD_WRITE: 0); 1256 /* remember flags */ 1257 dma_maps->dma_flags = flags; 1258 return 0; 1259 } 1260 1261 void 1262 pciide_dma_start(v, channel, drive) 1263 void *v; 1264 int channel, drive; 1265 { 1266 struct pciide_softc *sc = v; 1267 1268 WDCDEBUG_PRINT(("pciide_dma_start\n"),DEBUG_XFERS); 1269 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1270 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 1271 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1272 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) | IDEDMA_CMD_START); 1273 } 1274 1275 int 1276 pciide_dma_finish(v, channel, drive, force) 1277 void *v; 1278 int channel, drive; 1279 int force; 1280 { 1281 struct pciide_softc *sc = v; 1282 u_int8_t status; 1283 int error = 0; 1284 struct pciide_dma_maps *dma_maps = 1285 &sc->pciide_channels[channel].dma_maps[drive]; 1286 1287 status = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1288 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel); 1289 WDCDEBUG_PRINT(("pciide_dma_finish: status 0x%x\n", status), 1290 DEBUG_XFERS); 1291 1292 if (force == 0 && (status & IDEDMA_CTL_INTR) == 0) 1293 return WDC_DMAST_NOIRQ; 1294 1295 /* stop DMA channel */ 1296 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1297 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 1298 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1299 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) & ~IDEDMA_CMD_START); 1300 1301 /* Unload the map of the data buffer */ 1302 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 1303 dma_maps->dmamap_xfer->dm_mapsize, 1304 (dma_maps->dma_flags & WDC_DMA_READ) ? 1305 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1306 bus_dmamap_unload(sc->sc_dmat, dma_maps->dmamap_xfer); 1307 1308 if ((status & IDEDMA_CTL_ERR) != 0) { 1309 printf("%s:%d:%d: bus-master DMA error: status=0x%x\n", 1310 sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, status); 1311 error |= WDC_DMAST_ERR; 1312 } 1313 1314 if ((status & IDEDMA_CTL_INTR) == 0) { 1315 printf("%s:%d:%d: bus-master DMA error: missing interrupt, " 1316 "status=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, 1317 drive, status); 1318 error |= WDC_DMAST_NOIRQ; 1319 } 1320 1321 if ((status & IDEDMA_CTL_ACT) != 0) { 1322 /* data underrun, may be a valid condition for ATAPI */ 1323 error |= WDC_DMAST_UNDER; 1324 } 1325 return error; 1326 } 1327 1328 void 1329 pciide_irqack(chp) 1330 struct channel_softc *chp; 1331 { 1332 struct pciide_channel *cp = (struct pciide_channel*)chp; 1333 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1334 1335 /* clear status bits in IDE DMA registers */ 1336 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1337 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel, 1338 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1339 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel)); 1340 } 1341 1342 /* some common code used by several chip_map */ 1343 int 1344 pciide_chansetup(sc, channel, interface) 1345 struct pciide_softc *sc; 1346 int channel; 1347 pcireg_t interface; 1348 { 1349 struct pciide_channel *cp = &sc->pciide_channels[channel]; 1350 sc->wdc_chanarray[channel] = &cp->wdc_channel; 1351 cp->name = PCIIDE_CHANNEL_NAME(channel); 1352 cp->wdc_channel.channel = channel; 1353 cp->wdc_channel.wdc = &sc->sc_wdcdev; 1354 cp->wdc_channel.ch_queue = 1355 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 1356 if (cp->wdc_channel.ch_queue == NULL) { 1357 aprint_error("%s %s channel: " 1358 "can't allocate memory for command queue", 1359 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1360 return 0; 1361 } 1362 aprint_normal("%s: %s channel %s to %s mode\n", 1363 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1364 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 1365 "configured" : "wired", 1366 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 1367 "native-PCI" : "compatibility"); 1368 return 1; 1369 } 1370 1371 /* some common code used by several chip channel_map */ 1372 void 1373 pciide_mapchan(pa, cp, interface, cmdsizep, ctlsizep, pci_intr) 1374 struct pci_attach_args *pa; 1375 struct pciide_channel *cp; 1376 pcireg_t interface; 1377 bus_size_t *cmdsizep, *ctlsizep; 1378 int (*pci_intr) __P((void *)); 1379 { 1380 struct channel_softc *wdc_cp = &cp->wdc_channel; 1381 1382 if (interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) 1383 cp->hw_ok = pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, 1384 pci_intr); 1385 else 1386 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1387 wdc_cp->channel, cmdsizep, ctlsizep); 1388 1389 if (cp->hw_ok == 0) 1390 return; 1391 wdc_cp->data32iot = wdc_cp->cmd_iot; 1392 wdc_cp->data32ioh = wdc_cp->cmd_ioh; 1393 wdcattach(wdc_cp); 1394 } 1395 1396 /* 1397 * Generic code to call to know if a channel can be disabled. Return 1 1398 * if channel can be disabled, 0 if not 1399 */ 1400 int 1401 pciide_chan_candisable(cp) 1402 struct pciide_channel *cp; 1403 { 1404 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1405 struct channel_softc *wdc_cp = &cp->wdc_channel; 1406 1407 if ((wdc_cp->ch_drive[0].drive_flags & DRIVE) == 0 && 1408 (wdc_cp->ch_drive[1].drive_flags & DRIVE) == 0) { 1409 aprint_normal("%s: disabling %s channel (no drives)\n", 1410 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1411 cp->hw_ok = 0; 1412 return 1; 1413 } 1414 return 0; 1415 } 1416 1417 /* 1418 * generic code to map the compat intr if hw_ok=1 and it is a compat channel. 1419 * Set hw_ok=0 on failure 1420 */ 1421 void 1422 pciide_map_compat_intr(pa, cp, compatchan, interface) 1423 struct pci_attach_args *pa; 1424 struct pciide_channel *cp; 1425 int compatchan, interface; 1426 { 1427 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1428 struct channel_softc *wdc_cp = &cp->wdc_channel; 1429 1430 if (cp->hw_ok == 0) 1431 return; 1432 if ((interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) != 0) 1433 return; 1434 1435 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH 1436 cp->ih = pciide_machdep_compat_intr_establish(&sc->sc_wdcdev.sc_dev, 1437 pa, compatchan, pciide_compat_intr, cp); 1438 if (cp->ih == NULL) { 1439 #endif 1440 aprint_error("%s: no compatibility interrupt for use by %s " 1441 "channel\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1442 cp->hw_ok = 0; 1443 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH 1444 } 1445 #endif 1446 } 1447 1448 void 1449 pciide_print_modes(cp) 1450 struct pciide_channel *cp; 1451 { 1452 wdc_print_modes(&cp->wdc_channel); 1453 } 1454 1455 void 1456 default_chip_map(sc, pa) 1457 struct pciide_softc *sc; 1458 struct pci_attach_args *pa; 1459 { 1460 struct pciide_channel *cp; 1461 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1462 pcireg_t csr; 1463 int channel, drive; 1464 struct ata_drive_datas *drvp; 1465 u_int8_t idedma_ctl; 1466 bus_size_t cmdsize, ctlsize; 1467 char *failreason; 1468 1469 if (pciide_chipen(sc, pa) == 0) 1470 return; 1471 1472 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 1473 aprint_normal("%s: bus-master DMA support present", 1474 sc->sc_wdcdev.sc_dev.dv_xname); 1475 if (sc->sc_pp == &default_product_desc && 1476 (sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags & 1477 PCIIDE_OPTIONS_DMA) == 0) { 1478 aprint_normal(", but unused (no driver support)"); 1479 sc->sc_dma_ok = 0; 1480 } else { 1481 pciide_mapreg_dma(sc, pa); 1482 if (sc->sc_dma_ok != 0) 1483 aprint_normal(", used without full driver " 1484 "support"); 1485 } 1486 } else { 1487 aprint_normal("%s: hardware does not support DMA", 1488 sc->sc_wdcdev.sc_dev.dv_xname); 1489 sc->sc_dma_ok = 0; 1490 } 1491 aprint_normal("\n"); 1492 if (sc->sc_dma_ok) { 1493 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1494 sc->sc_wdcdev.irqack = pciide_irqack; 1495 } 1496 sc->sc_wdcdev.PIO_cap = 0; 1497 sc->sc_wdcdev.DMA_cap = 0; 1498 1499 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1500 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1501 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16; 1502 1503 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1504 cp = &sc->pciide_channels[channel]; 1505 if (pciide_chansetup(sc, channel, interface) == 0) 1506 continue; 1507 if (interface & PCIIDE_INTERFACE_PCI(channel)) { 1508 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 1509 &ctlsize, pciide_pci_intr); 1510 } else { 1511 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1512 channel, &cmdsize, &ctlsize); 1513 } 1514 if (cp->hw_ok == 0) 1515 continue; 1516 /* 1517 * Check to see if something appears to be there. 1518 */ 1519 failreason = NULL; 1520 if (!wdcprobe(&cp->wdc_channel)) { 1521 failreason = "not responding; disabled or no drives?"; 1522 goto next; 1523 } 1524 /* 1525 * Now, make sure it's actually attributable to this PCI IDE 1526 * channel by trying to access the channel again while the 1527 * PCI IDE controller's I/O space is disabled. (If the 1528 * channel no longer appears to be there, it belongs to 1529 * this controller.) YUCK! 1530 */ 1531 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 1532 PCI_COMMAND_STATUS_REG); 1533 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, 1534 csr & ~PCI_COMMAND_IO_ENABLE); 1535 if (wdcprobe(&cp->wdc_channel)) 1536 failreason = "other hardware responding at addresses"; 1537 pci_conf_write(sc->sc_pc, sc->sc_tag, 1538 PCI_COMMAND_STATUS_REG, csr); 1539 next: 1540 if (failreason) { 1541 aprint_error("%s: %s channel ignored (%s)\n", 1542 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1543 failreason); 1544 cp->hw_ok = 0; 1545 bus_space_unmap(cp->wdc_channel.cmd_iot, 1546 cp->wdc_channel.cmd_ioh, cmdsize); 1547 if (interface & PCIIDE_INTERFACE_PCI(channel)) 1548 bus_space_unmap(cp->wdc_channel.ctl_iot, 1549 cp->ctl_baseioh, ctlsize); 1550 else 1551 bus_space_unmap(cp->wdc_channel.ctl_iot, 1552 cp->wdc_channel.ctl_ioh, ctlsize); 1553 } else { 1554 pciide_map_compat_intr(pa, cp, channel, interface); 1555 } 1556 if (cp->hw_ok) { 1557 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 1558 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 1559 wdcattach(&cp->wdc_channel); 1560 } 1561 } 1562 1563 if (sc->sc_dma_ok == 0) 1564 return; 1565 1566 /* Allocate DMA maps */ 1567 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1568 idedma_ctl = 0; 1569 cp = &sc->pciide_channels[channel]; 1570 for (drive = 0; drive < 2; drive++) { 1571 drvp = &cp->wdc_channel.ch_drive[drive]; 1572 /* If no drive, skip */ 1573 if ((drvp->drive_flags & DRIVE) == 0) 1574 continue; 1575 if ((drvp->drive_flags & DRIVE_DMA) == 0) 1576 continue; 1577 if (pciide_dma_table_setup(sc, channel, drive) != 0) { 1578 /* Abort DMA setup */ 1579 aprint_error( 1580 "%s:%d:%d: can't allocate DMA maps, " 1581 "using PIO transfers\n", 1582 sc->sc_wdcdev.sc_dev.dv_xname, 1583 channel, drive); 1584 drvp->drive_flags &= ~DRIVE_DMA; 1585 } 1586 aprint_normal("%s:%d:%d: using DMA data transfers\n", 1587 sc->sc_wdcdev.sc_dev.dv_xname, 1588 channel, drive); 1589 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1590 } 1591 if (idedma_ctl != 0) { 1592 /* Add software bits in status register */ 1593 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1594 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 1595 idedma_ctl); 1596 } 1597 } 1598 } 1599 1600 void 1601 sata_setup_channel(chp) 1602 struct channel_softc *chp; 1603 { 1604 struct ata_drive_datas *drvp; 1605 int drive; 1606 u_int32_t idedma_ctl; 1607 struct pciide_channel *cp = (struct pciide_channel*)chp; 1608 struct pciide_softc *sc = (struct pciide_softc*)cp->wdc_channel.wdc; 1609 1610 /* setup DMA if needed */ 1611 pciide_channel_dma_setup(cp); 1612 1613 idedma_ctl = 0; 1614 1615 for (drive = 0; drive < 2; drive++) { 1616 drvp = &chp->ch_drive[drive]; 1617 /* If no drive, skip */ 1618 if ((drvp->drive_flags & DRIVE) == 0) 1619 continue; 1620 if (drvp->drive_flags & DRIVE_UDMA) { 1621 /* use Ultra/DMA */ 1622 drvp->drive_flags &= ~DRIVE_DMA; 1623 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1624 } else if (drvp->drive_flags & DRIVE_DMA) { 1625 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1626 } 1627 } 1628 1629 /* 1630 * Nothing to do to setup modes; it is meaningless in S-ATA 1631 * (but many S-ATA drives still want to get the SET_FEATURE 1632 * command). 1633 */ 1634 if (idedma_ctl != 0) { 1635 /* Add software bits in status register */ 1636 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1637 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1638 idedma_ctl); 1639 } 1640 pciide_print_modes(cp); 1641 } 1642 1643 void 1644 piix_chip_map(sc, pa) 1645 struct pciide_softc *sc; 1646 struct pci_attach_args *pa; 1647 { 1648 struct pciide_channel *cp; 1649 int channel; 1650 u_int32_t idetim; 1651 bus_size_t cmdsize, ctlsize; 1652 1653 if (pciide_chipen(sc, pa) == 0) 1654 return; 1655 1656 aprint_normal("%s: bus-master DMA support present", 1657 sc->sc_wdcdev.sc_dev.dv_xname); 1658 pciide_mapreg_dma(sc, pa); 1659 aprint_normal("\n"); 1660 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1661 WDC_CAPABILITY_MODE; 1662 if (sc->sc_dma_ok) { 1663 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1664 sc->sc_wdcdev.irqack = pciide_irqack; 1665 switch(sc->sc_pp->ide_product) { 1666 case PCI_PRODUCT_INTEL_82371AB_IDE: 1667 case PCI_PRODUCT_INTEL_82440MX_IDE: 1668 case PCI_PRODUCT_INTEL_82801AA_IDE: 1669 case PCI_PRODUCT_INTEL_82801AB_IDE: 1670 case PCI_PRODUCT_INTEL_82801BA_IDE: 1671 case PCI_PRODUCT_INTEL_82801BAM_IDE: 1672 case PCI_PRODUCT_INTEL_82801CA_IDE_1: 1673 case PCI_PRODUCT_INTEL_82801CA_IDE_2: 1674 case PCI_PRODUCT_INTEL_82801DB_IDE: 1675 case PCI_PRODUCT_INTEL_82801DBM_IDE: 1676 case PCI_PRODUCT_INTEL_82801EB_IDE: 1677 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 1678 } 1679 } 1680 sc->sc_wdcdev.PIO_cap = 4; 1681 sc->sc_wdcdev.DMA_cap = 2; 1682 switch(sc->sc_pp->ide_product) { 1683 case PCI_PRODUCT_INTEL_82801AA_IDE: 1684 sc->sc_wdcdev.UDMA_cap = 4; 1685 break; 1686 case PCI_PRODUCT_INTEL_82801BA_IDE: 1687 case PCI_PRODUCT_INTEL_82801BAM_IDE: 1688 case PCI_PRODUCT_INTEL_82801CA_IDE_1: 1689 case PCI_PRODUCT_INTEL_82801CA_IDE_2: 1690 case PCI_PRODUCT_INTEL_82801DB_IDE: 1691 case PCI_PRODUCT_INTEL_82801DBM_IDE: 1692 case PCI_PRODUCT_INTEL_82801EB_IDE: 1693 sc->sc_wdcdev.UDMA_cap = 5; 1694 break; 1695 default: 1696 sc->sc_wdcdev.UDMA_cap = 2; 1697 } 1698 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371FB_IDE) 1699 sc->sc_wdcdev.set_modes = piix_setup_channel; 1700 else 1701 sc->sc_wdcdev.set_modes = piix3_4_setup_channel; 1702 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1703 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1704 1705 WDCDEBUG_PRINT(("piix_setup_chip: old idetim=0x%x", 1706 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1707 DEBUG_PROBE); 1708 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1709 WDCDEBUG_PRINT((", sidetim=0x%x", 1710 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1711 DEBUG_PROBE); 1712 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1713 WDCDEBUG_PRINT((", udamreg 0x%x", 1714 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1715 DEBUG_PROBE); 1716 } 1717 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1718 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1719 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1720 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE || 1721 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 || 1722 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 || 1723 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE || 1724 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE || 1725 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_IDE ) { 1726 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1727 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1728 DEBUG_PROBE); 1729 } 1730 1731 } 1732 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1733 1734 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1735 cp = &sc->pciide_channels[channel]; 1736 /* PIIX is compat-only */ 1737 if (pciide_chansetup(sc, channel, 0) == 0) 1738 continue; 1739 idetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1740 if ((PIIX_IDETIM_READ(idetim, channel) & 1741 PIIX_IDETIM_IDE) == 0) { 1742 aprint_normal("%s: %s channel ignored (disabled)\n", 1743 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1744 continue; 1745 } 1746 /* PIIX are compat-only pciide devices */ 1747 pciide_mapchan(pa, cp, 0, &cmdsize, &ctlsize, pciide_pci_intr); 1748 if (cp->hw_ok == 0) 1749 continue; 1750 if (pciide_chan_candisable(cp)) { 1751 idetim = PIIX_IDETIM_CLEAR(idetim, PIIX_IDETIM_IDE, 1752 channel); 1753 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, 1754 idetim); 1755 } 1756 pciide_map_compat_intr(pa, cp, channel, 0); 1757 if (cp->hw_ok == 0) 1758 continue; 1759 sc->sc_wdcdev.set_modes(&cp->wdc_channel); 1760 } 1761 1762 WDCDEBUG_PRINT(("piix_setup_chip: idetim=0x%x", 1763 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1764 DEBUG_PROBE); 1765 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1766 WDCDEBUG_PRINT((", sidetim=0x%x", 1767 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1768 DEBUG_PROBE); 1769 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1770 WDCDEBUG_PRINT((", udamreg 0x%x", 1771 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1772 DEBUG_PROBE); 1773 } 1774 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1775 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1776 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1777 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE || 1778 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 || 1779 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 || 1780 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE || 1781 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE) { 1782 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1783 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1784 DEBUG_PROBE); 1785 } 1786 } 1787 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1788 } 1789 1790 void 1791 piix_setup_channel(chp) 1792 struct channel_softc *chp; 1793 { 1794 u_int8_t mode[2], drive; 1795 u_int32_t oidetim, idetim, idedma_ctl; 1796 struct pciide_channel *cp = (struct pciide_channel*)chp; 1797 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1798 struct ata_drive_datas *drvp = cp->wdc_channel.ch_drive; 1799 1800 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1801 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->channel); 1802 idedma_ctl = 0; 1803 1804 /* set up new idetim: Enable IDE registers decode */ 1805 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, 1806 chp->channel); 1807 1808 /* setup DMA */ 1809 pciide_channel_dma_setup(cp); 1810 1811 /* 1812 * Here we have to mess up with drives mode: PIIX can't have 1813 * different timings for master and slave drives. 1814 * We need to find the best combination. 1815 */ 1816 1817 /* If both drives supports DMA, take the lower mode */ 1818 if ((drvp[0].drive_flags & DRIVE_DMA) && 1819 (drvp[1].drive_flags & DRIVE_DMA)) { 1820 mode[0] = mode[1] = 1821 min(drvp[0].DMA_mode, drvp[1].DMA_mode); 1822 drvp[0].DMA_mode = mode[0]; 1823 drvp[1].DMA_mode = mode[1]; 1824 goto ok; 1825 } 1826 /* 1827 * If only one drive supports DMA, use its mode, and 1828 * put the other one in PIO mode 0 if mode not compatible 1829 */ 1830 if (drvp[0].drive_flags & DRIVE_DMA) { 1831 mode[0] = drvp[0].DMA_mode; 1832 mode[1] = drvp[1].PIO_mode; 1833 if (piix_isp_pio[mode[1]] != piix_isp_dma[mode[0]] || 1834 piix_rtc_pio[mode[1]] != piix_rtc_dma[mode[0]]) 1835 mode[1] = drvp[1].PIO_mode = 0; 1836 goto ok; 1837 } 1838 if (drvp[1].drive_flags & DRIVE_DMA) { 1839 mode[1] = drvp[1].DMA_mode; 1840 mode[0] = drvp[0].PIO_mode; 1841 if (piix_isp_pio[mode[0]] != piix_isp_dma[mode[1]] || 1842 piix_rtc_pio[mode[0]] != piix_rtc_dma[mode[1]]) 1843 mode[0] = drvp[0].PIO_mode = 0; 1844 goto ok; 1845 } 1846 /* 1847 * If both drives are not DMA, takes the lower mode, unless 1848 * one of them is PIO mode < 2 1849 */ 1850 if (drvp[0].PIO_mode < 2) { 1851 mode[0] = drvp[0].PIO_mode = 0; 1852 mode[1] = drvp[1].PIO_mode; 1853 } else if (drvp[1].PIO_mode < 2) { 1854 mode[1] = drvp[1].PIO_mode = 0; 1855 mode[0] = drvp[0].PIO_mode; 1856 } else { 1857 mode[0] = mode[1] = 1858 min(drvp[1].PIO_mode, drvp[0].PIO_mode); 1859 drvp[0].PIO_mode = mode[0]; 1860 drvp[1].PIO_mode = mode[1]; 1861 } 1862 ok: /* The modes are setup */ 1863 for (drive = 0; drive < 2; drive++) { 1864 if (drvp[drive].drive_flags & DRIVE_DMA) { 1865 idetim |= piix_setup_idetim_timings( 1866 mode[drive], 1, chp->channel); 1867 goto end; 1868 } 1869 } 1870 /* If we are there, none of the drives are DMA */ 1871 if (mode[0] >= 2) 1872 idetim |= piix_setup_idetim_timings( 1873 mode[0], 0, chp->channel); 1874 else 1875 idetim |= piix_setup_idetim_timings( 1876 mode[1], 0, chp->channel); 1877 end: /* 1878 * timing mode is now set up in the controller. Enable 1879 * it per-drive 1880 */ 1881 for (drive = 0; drive < 2; drive++) { 1882 /* If no drive, skip */ 1883 if ((drvp[drive].drive_flags & DRIVE) == 0) 1884 continue; 1885 idetim |= piix_setup_idetim_drvs(&drvp[drive]); 1886 if (drvp[drive].drive_flags & DRIVE_DMA) 1887 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1888 } 1889 if (idedma_ctl != 0) { 1890 /* Add software bits in status register */ 1891 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1892 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1893 idedma_ctl); 1894 } 1895 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1896 pciide_print_modes(cp); 1897 } 1898 1899 void 1900 piix3_4_setup_channel(chp) 1901 struct channel_softc *chp; 1902 { 1903 struct ata_drive_datas *drvp; 1904 u_int32_t oidetim, idetim, sidetim, udmareg, ideconf, idedma_ctl; 1905 struct pciide_channel *cp = (struct pciide_channel*)chp; 1906 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1907 int drive; 1908 int channel = chp->channel; 1909 1910 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1911 sidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM); 1912 udmareg = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG); 1913 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG); 1914 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, channel); 1915 sidetim &= ~(PIIX_SIDETIM_ISP_MASK(channel) | 1916 PIIX_SIDETIM_RTC_MASK(channel)); 1917 1918 idedma_ctl = 0; 1919 /* If channel disabled, no need to go further */ 1920 if ((PIIX_IDETIM_READ(oidetim, channel) & PIIX_IDETIM_IDE) == 0) 1921 return; 1922 /* set up new idetim: Enable IDE registers decode */ 1923 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, channel); 1924 1925 /* setup DMA if needed */ 1926 pciide_channel_dma_setup(cp); 1927 1928 for (drive = 0; drive < 2; drive++) { 1929 udmareg &= ~(PIIX_UDMACTL_DRV_EN(channel, drive) | 1930 PIIX_UDMATIM_SET(0x3, channel, drive)); 1931 drvp = &chp->ch_drive[drive]; 1932 /* If no drive, skip */ 1933 if ((drvp->drive_flags & DRIVE) == 0) 1934 continue; 1935 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1936 (drvp->drive_flags & DRIVE_UDMA) == 0)) 1937 goto pio; 1938 1939 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1940 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1941 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1942 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE || 1943 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 || 1944 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 || 1945 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE || 1946 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE || 1947 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_IDE) { 1948 ideconf |= PIIX_CONFIG_PINGPONG; 1949 } 1950 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1951 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE || 1952 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 || 1953 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 || 1954 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE || 1955 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE || 1956 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_IDE) { 1957 /* setup Ultra/100 */ 1958 if (drvp->UDMA_mode > 2 && 1959 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1960 drvp->UDMA_mode = 2; 1961 if (drvp->UDMA_mode > 4) { 1962 ideconf |= PIIX_CONFIG_UDMA100(channel, drive); 1963 } else { 1964 ideconf &= ~PIIX_CONFIG_UDMA100(channel, drive); 1965 if (drvp->UDMA_mode > 2) { 1966 ideconf |= PIIX_CONFIG_UDMA66(channel, 1967 drive); 1968 } else { 1969 ideconf &= ~PIIX_CONFIG_UDMA66(channel, 1970 drive); 1971 } 1972 } 1973 } 1974 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE) { 1975 /* setup Ultra/66 */ 1976 if (drvp->UDMA_mode > 2 && 1977 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1978 drvp->UDMA_mode = 2; 1979 if (drvp->UDMA_mode > 2) 1980 ideconf |= PIIX_CONFIG_UDMA66(channel, drive); 1981 else 1982 ideconf &= ~PIIX_CONFIG_UDMA66(channel, drive); 1983 } 1984 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1985 (drvp->drive_flags & DRIVE_UDMA)) { 1986 /* use Ultra/DMA */ 1987 drvp->drive_flags &= ~DRIVE_DMA; 1988 udmareg |= PIIX_UDMACTL_DRV_EN( channel, drive); 1989 udmareg |= PIIX_UDMATIM_SET( 1990 piix4_sct_udma[drvp->UDMA_mode], channel, drive); 1991 } else { 1992 /* use Multiword DMA */ 1993 drvp->drive_flags &= ~DRIVE_UDMA; 1994 if (drive == 0) { 1995 idetim |= piix_setup_idetim_timings( 1996 drvp->DMA_mode, 1, channel); 1997 } else { 1998 sidetim |= piix_setup_sidetim_timings( 1999 drvp->DMA_mode, 1, channel); 2000 idetim =PIIX_IDETIM_SET(idetim, 2001 PIIX_IDETIM_SITRE, channel); 2002 } 2003 } 2004 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2005 2006 pio: /* use PIO mode */ 2007 idetim |= piix_setup_idetim_drvs(drvp); 2008 if (drive == 0) { 2009 idetim |= piix_setup_idetim_timings( 2010 drvp->PIO_mode, 0, channel); 2011 } else { 2012 sidetim |= piix_setup_sidetim_timings( 2013 drvp->PIO_mode, 0, channel); 2014 idetim =PIIX_IDETIM_SET(idetim, 2015 PIIX_IDETIM_SITRE, channel); 2016 } 2017 } 2018 if (idedma_ctl != 0) { 2019 /* Add software bits in status register */ 2020 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2021 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 2022 idedma_ctl); 2023 } 2024 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 2025 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM, sidetim); 2026 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG, udmareg); 2027 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_CONFIG, ideconf); 2028 pciide_print_modes(cp); 2029 } 2030 2031 2032 /* setup ISP and RTC fields, based on mode */ 2033 static u_int32_t 2034 piix_setup_idetim_timings(mode, dma, channel) 2035 u_int8_t mode; 2036 u_int8_t dma; 2037 u_int8_t channel; 2038 { 2039 2040 if (dma) 2041 return PIIX_IDETIM_SET(0, 2042 PIIX_IDETIM_ISP_SET(piix_isp_dma[mode]) | 2043 PIIX_IDETIM_RTC_SET(piix_rtc_dma[mode]), 2044 channel); 2045 else 2046 return PIIX_IDETIM_SET(0, 2047 PIIX_IDETIM_ISP_SET(piix_isp_pio[mode]) | 2048 PIIX_IDETIM_RTC_SET(piix_rtc_pio[mode]), 2049 channel); 2050 } 2051 2052 /* setup DTE, PPE, IE and TIME field based on PIO mode */ 2053 static u_int32_t 2054 piix_setup_idetim_drvs(drvp) 2055 struct ata_drive_datas *drvp; 2056 { 2057 u_int32_t ret = 0; 2058 struct channel_softc *chp = drvp->chnl_softc; 2059 u_int8_t channel = chp->channel; 2060 u_int8_t drive = drvp->drive; 2061 2062 /* 2063 * If drive is using UDMA, timings setups are independant 2064 * So just check DMA and PIO here. 2065 */ 2066 if (drvp->drive_flags & DRIVE_DMA) { 2067 /* if mode = DMA mode 0, use compatible timings */ 2068 if ((drvp->drive_flags & DRIVE_DMA) && 2069 drvp->DMA_mode == 0) { 2070 drvp->PIO_mode = 0; 2071 return ret; 2072 } 2073 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 2074 /* 2075 * PIO and DMA timings are the same, use fast timings for PIO 2076 * too, else use compat timings. 2077 */ 2078 if ((piix_isp_pio[drvp->PIO_mode] != 2079 piix_isp_dma[drvp->DMA_mode]) || 2080 (piix_rtc_pio[drvp->PIO_mode] != 2081 piix_rtc_dma[drvp->DMA_mode])) 2082 drvp->PIO_mode = 0; 2083 /* if PIO mode <= 2, use compat timings for PIO */ 2084 if (drvp->PIO_mode <= 2) { 2085 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_DTE(drive), 2086 channel); 2087 return ret; 2088 } 2089 } 2090 2091 /* 2092 * Now setup PIO modes. If mode < 2, use compat timings. 2093 * Else enable fast timings. Enable IORDY and prefetch/post 2094 * if PIO mode >= 3. 2095 */ 2096 2097 if (drvp->PIO_mode < 2) 2098 return ret; 2099 2100 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 2101 if (drvp->PIO_mode >= 3) { 2102 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_IE(drive), channel); 2103 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_PPE(drive), channel); 2104 } 2105 return ret; 2106 } 2107 2108 /* setup values in SIDETIM registers, based on mode */ 2109 static u_int32_t 2110 piix_setup_sidetim_timings(mode, dma, channel) 2111 u_int8_t mode; 2112 u_int8_t dma; 2113 u_int8_t channel; 2114 { 2115 if (dma) 2116 return PIIX_SIDETIM_ISP_SET(piix_isp_dma[mode], channel) | 2117 PIIX_SIDETIM_RTC_SET(piix_rtc_dma[mode], channel); 2118 else 2119 return PIIX_SIDETIM_ISP_SET(piix_isp_pio[mode], channel) | 2120 PIIX_SIDETIM_RTC_SET(piix_rtc_pio[mode], channel); 2121 } 2122 2123 void 2124 amd7x6_chip_map(sc, pa) 2125 struct pciide_softc *sc; 2126 struct pci_attach_args *pa; 2127 { 2128 struct pciide_channel *cp; 2129 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2130 int channel; 2131 pcireg_t chanenable; 2132 bus_size_t cmdsize, ctlsize; 2133 2134 if (pciide_chipen(sc, pa) == 0) 2135 return; 2136 aprint_normal("%s: bus-master DMA support present", 2137 sc->sc_wdcdev.sc_dev.dv_xname); 2138 pciide_mapreg_dma(sc, pa); 2139 aprint_normal("\n"); 2140 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2141 WDC_CAPABILITY_MODE; 2142 if (sc->sc_dma_ok) { 2143 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 2144 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2145 sc->sc_wdcdev.irqack = pciide_irqack; 2146 } 2147 sc->sc_wdcdev.PIO_cap = 4; 2148 sc->sc_wdcdev.DMA_cap = 2; 2149 2150 switch (sc->sc_pci_vendor) { 2151 case PCI_VENDOR_AMD: 2152 switch (sc->sc_pp->ide_product) { 2153 case PCI_PRODUCT_AMD_PBC766_IDE: 2154 case PCI_PRODUCT_AMD_PBC768_IDE: 2155 case PCI_PRODUCT_AMD_PBC8111_IDE: 2156 sc->sc_wdcdev.UDMA_cap = 5; 2157 break; 2158 default: 2159 sc->sc_wdcdev.UDMA_cap = 4; 2160 } 2161 sc->sc_amd_regbase = AMD7X6_AMD_REGBASE; 2162 break; 2163 2164 case PCI_VENDOR_NVIDIA: 2165 switch (sc->sc_pp->ide_product) { 2166 case PCI_PRODUCT_NVIDIA_NFORCE_ATA100: 2167 sc->sc_wdcdev.UDMA_cap = 5; 2168 break; 2169 case PCI_PRODUCT_NVIDIA_NFORCE2_ATA133: 2170 sc->sc_wdcdev.UDMA_cap = 6; 2171 break; 2172 } 2173 sc->sc_amd_regbase = AMD7X6_NVIDIA_REGBASE; 2174 break; 2175 2176 default: 2177 panic("amd7x6_chip_map: unknown vendor"); 2178 } 2179 sc->sc_wdcdev.set_modes = amd7x6_setup_channel; 2180 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2181 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2182 chanenable = pci_conf_read(sc->sc_pc, sc->sc_tag, 2183 AMD7X6_CHANSTATUS_EN(sc)); 2184 2185 WDCDEBUG_PRINT(("amd7x6_chip_map: Channel enable=0x%x\n", chanenable), 2186 DEBUG_PROBE); 2187 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2188 cp = &sc->pciide_channels[channel]; 2189 if (pciide_chansetup(sc, channel, interface) == 0) 2190 continue; 2191 2192 if ((chanenable & AMD7X6_CHAN_EN(channel)) == 0) { 2193 aprint_normal("%s: %s channel ignored (disabled)\n", 2194 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2195 continue; 2196 } 2197 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2198 pciide_pci_intr); 2199 2200 if (pciide_chan_candisable(cp)) 2201 chanenable &= ~AMD7X6_CHAN_EN(channel); 2202 pciide_map_compat_intr(pa, cp, channel, interface); 2203 if (cp->hw_ok == 0) 2204 continue; 2205 2206 amd7x6_setup_channel(&cp->wdc_channel); 2207 } 2208 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_CHANSTATUS_EN(sc), 2209 chanenable); 2210 return; 2211 } 2212 2213 void 2214 amd7x6_setup_channel(chp) 2215 struct channel_softc *chp; 2216 { 2217 u_int32_t udmatim_reg, datatim_reg; 2218 u_int8_t idedma_ctl; 2219 int mode, drive; 2220 struct ata_drive_datas *drvp; 2221 struct pciide_channel *cp = (struct pciide_channel*)chp; 2222 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2223 #ifndef PCIIDE_AMD756_ENABLEDMA 2224 int rev = PCI_REVISION( 2225 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 2226 #endif 2227 2228 idedma_ctl = 0; 2229 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD7X6_DATATIM(sc)); 2230 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD7X6_UDMA(sc)); 2231 datatim_reg &= ~AMD7X6_DATATIM_MASK(chp->channel); 2232 udmatim_reg &= ~AMD7X6_UDMA_MASK(chp->channel); 2233 2234 /* setup DMA if needed */ 2235 pciide_channel_dma_setup(cp); 2236 2237 for (drive = 0; drive < 2; drive++) { 2238 drvp = &chp->ch_drive[drive]; 2239 /* If no drive, skip */ 2240 if ((drvp->drive_flags & DRIVE) == 0) 2241 continue; 2242 /* add timing values, setup DMA if needed */ 2243 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 2244 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 2245 mode = drvp->PIO_mode; 2246 goto pio; 2247 } 2248 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 2249 (drvp->drive_flags & DRIVE_UDMA)) { 2250 /* use Ultra/DMA */ 2251 drvp->drive_flags &= ~DRIVE_DMA; 2252 udmatim_reg |= AMD7X6_UDMA_EN(chp->channel, drive) | 2253 AMD7X6_UDMA_EN_MTH(chp->channel, drive) | 2254 AMD7X6_UDMA_TIME(chp->channel, drive, 2255 amd7x6_udma_tim[drvp->UDMA_mode]); 2256 /* can use PIO timings, MW DMA unused */ 2257 mode = drvp->PIO_mode; 2258 } else { 2259 /* use Multiword DMA, but only if revision is OK */ 2260 drvp->drive_flags &= ~DRIVE_UDMA; 2261 #ifndef PCIIDE_AMD756_ENABLEDMA 2262 /* 2263 * The workaround doesn't seem to be necessary 2264 * with all drives, so it can be disabled by 2265 * PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if 2266 * triggered. 2267 */ 2268 if (sc->sc_pci_vendor == PCI_VENDOR_AMD && 2269 sc->sc_pp->ide_product == 2270 PCI_PRODUCT_AMD_PBC756_IDE && 2271 AMD756_CHIPREV_DISABLEDMA(rev)) { 2272 aprint_normal( 2273 "%s:%d:%d: multi-word DMA disabled due " 2274 "to chip revision\n", 2275 sc->sc_wdcdev.sc_dev.dv_xname, 2276 chp->channel, drive); 2277 mode = drvp->PIO_mode; 2278 drvp->drive_flags &= ~DRIVE_DMA; 2279 goto pio; 2280 } 2281 #endif 2282 /* mode = min(pio, dma+2) */ 2283 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 2284 mode = drvp->PIO_mode; 2285 else 2286 mode = drvp->DMA_mode + 2; 2287 } 2288 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2289 2290 pio: /* setup PIO mode */ 2291 if (mode <= 2) { 2292 drvp->DMA_mode = 0; 2293 drvp->PIO_mode = 0; 2294 mode = 0; 2295 } else { 2296 drvp->PIO_mode = mode; 2297 drvp->DMA_mode = mode - 2; 2298 } 2299 datatim_reg |= 2300 AMD7X6_DATATIM_PULSE(chp->channel, drive, 2301 amd7x6_pio_set[mode]) | 2302 AMD7X6_DATATIM_RECOV(chp->channel, drive, 2303 amd7x6_pio_rec[mode]); 2304 } 2305 if (idedma_ctl != 0) { 2306 /* Add software bits in status register */ 2307 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2308 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2309 idedma_ctl); 2310 } 2311 pciide_print_modes(cp); 2312 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_DATATIM(sc), datatim_reg); 2313 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_UDMA(sc), udmatim_reg); 2314 } 2315 2316 void 2317 apollo_chip_map(sc, pa) 2318 struct pciide_softc *sc; 2319 struct pci_attach_args *pa; 2320 { 2321 struct pciide_channel *cp; 2322 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2323 int channel; 2324 u_int32_t ideconf; 2325 bus_size_t cmdsize, ctlsize; 2326 pcitag_t pcib_tag; 2327 pcireg_t pcib_id, pcib_class; 2328 2329 if (pciide_chipen(sc, pa) == 0) 2330 return; 2331 /* get a PCI tag for the ISA bridge (function 0 of the same device) */ 2332 pcib_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, pa->pa_device, 0); 2333 /* and read ID and rev of the ISA bridge */ 2334 pcib_id = pci_conf_read(sc->sc_pc, pcib_tag, PCI_ID_REG); 2335 pcib_class = pci_conf_read(sc->sc_pc, pcib_tag, PCI_CLASS_REG); 2336 aprint_normal(": VIA Technologies "); 2337 switch (PCI_PRODUCT(pcib_id)) { 2338 case PCI_PRODUCT_VIATECH_VT82C586_ISA: 2339 aprint_normal("VT82C586 (Apollo VP) "); 2340 if(PCI_REVISION(pcib_class) >= 0x02) { 2341 aprint_normal("ATA33 controller\n"); 2342 sc->sc_wdcdev.UDMA_cap = 2; 2343 } else { 2344 aprint_normal("controller\n"); 2345 sc->sc_wdcdev.UDMA_cap = 0; 2346 } 2347 break; 2348 case PCI_PRODUCT_VIATECH_VT82C596A: 2349 aprint_normal("VT82C596A (Apollo Pro) "); 2350 if (PCI_REVISION(pcib_class) >= 0x12) { 2351 aprint_normal("ATA66 controller\n"); 2352 sc->sc_wdcdev.UDMA_cap = 4; 2353 } else { 2354 aprint_normal("ATA33 controller\n"); 2355 sc->sc_wdcdev.UDMA_cap = 2; 2356 } 2357 break; 2358 case PCI_PRODUCT_VIATECH_VT82C686A_ISA: 2359 aprint_normal("VT82C686A (Apollo KX133) "); 2360 if (PCI_REVISION(pcib_class) >= 0x40) { 2361 aprint_normal("ATA100 controller\n"); 2362 sc->sc_wdcdev.UDMA_cap = 5; 2363 } else { 2364 aprint_normal("ATA66 controller\n"); 2365 sc->sc_wdcdev.UDMA_cap = 4; 2366 } 2367 break; 2368 case PCI_PRODUCT_VIATECH_VT8231: 2369 aprint_normal("VT8231 ATA100 controller\n"); 2370 sc->sc_wdcdev.UDMA_cap = 5; 2371 break; 2372 case PCI_PRODUCT_VIATECH_VT8233: 2373 aprint_normal("VT8233 ATA100 controller\n"); 2374 sc->sc_wdcdev.UDMA_cap = 5; 2375 break; 2376 case PCI_PRODUCT_VIATECH_VT8233A: 2377 aprint_normal("VT8233A ATA133 controller\n"); 2378 sc->sc_wdcdev.UDMA_cap = 6; 2379 break; 2380 case PCI_PRODUCT_VIATECH_VT8235: 2381 aprint_normal("VT8235 ATA133 controller\n"); 2382 sc->sc_wdcdev.UDMA_cap = 6; 2383 break; 2384 default: 2385 aprint_normal("unknown ATA controller\n"); 2386 sc->sc_wdcdev.UDMA_cap = 0; 2387 } 2388 2389 aprint_normal("%s: bus-master DMA support present", 2390 sc->sc_wdcdev.sc_dev.dv_xname); 2391 pciide_mapreg_dma(sc, pa); 2392 aprint_normal("\n"); 2393 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2394 WDC_CAPABILITY_MODE; 2395 if (sc->sc_dma_ok) { 2396 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2397 sc->sc_wdcdev.irqack = pciide_irqack; 2398 if (sc->sc_wdcdev.UDMA_cap > 0) 2399 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2400 } 2401 sc->sc_wdcdev.PIO_cap = 4; 2402 sc->sc_wdcdev.DMA_cap = 2; 2403 sc->sc_wdcdev.set_modes = apollo_setup_channel; 2404 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2405 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2406 2407 WDCDEBUG_PRINT(("apollo_chip_map: old APO_IDECONF=0x%x, " 2408 "APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 2409 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF), 2410 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC), 2411 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 2412 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), 2413 DEBUG_PROBE); 2414 2415 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2416 cp = &sc->pciide_channels[channel]; 2417 if (pciide_chansetup(sc, channel, interface) == 0) 2418 continue; 2419 2420 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF); 2421 if ((ideconf & APO_IDECONF_EN(channel)) == 0) { 2422 aprint_normal("%s: %s channel ignored (disabled)\n", 2423 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2424 continue; 2425 } 2426 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2427 pciide_pci_intr); 2428 if (cp->hw_ok == 0) 2429 continue; 2430 if (pciide_chan_candisable(cp)) { 2431 ideconf &= ~APO_IDECONF_EN(channel); 2432 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_IDECONF, 2433 ideconf); 2434 } 2435 pciide_map_compat_intr(pa, cp, channel, interface); 2436 2437 if (cp->hw_ok == 0) 2438 continue; 2439 apollo_setup_channel(&sc->pciide_channels[channel].wdc_channel); 2440 } 2441 WDCDEBUG_PRINT(("apollo_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 2442 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 2443 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), DEBUG_PROBE); 2444 } 2445 2446 void 2447 apollo_setup_channel(chp) 2448 struct channel_softc *chp; 2449 { 2450 u_int32_t udmatim_reg, datatim_reg; 2451 u_int8_t idedma_ctl; 2452 int mode, drive; 2453 struct ata_drive_datas *drvp; 2454 struct pciide_channel *cp = (struct pciide_channel*)chp; 2455 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2456 2457 idedma_ctl = 0; 2458 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM); 2459 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 2460 datatim_reg &= ~APO_DATATIM_MASK(chp->channel); 2461 udmatim_reg &= ~APO_UDMA_MASK(chp->channel); 2462 2463 /* setup DMA if needed */ 2464 pciide_channel_dma_setup(cp); 2465 2466 for (drive = 0; drive < 2; drive++) { 2467 drvp = &chp->ch_drive[drive]; 2468 /* If no drive, skip */ 2469 if ((drvp->drive_flags & DRIVE) == 0) 2470 continue; 2471 /* add timing values, setup DMA if needed */ 2472 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 2473 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 2474 mode = drvp->PIO_mode; 2475 goto pio; 2476 } 2477 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 2478 (drvp->drive_flags & DRIVE_UDMA)) { 2479 /* use Ultra/DMA */ 2480 drvp->drive_flags &= ~DRIVE_DMA; 2481 udmatim_reg |= APO_UDMA_EN(chp->channel, drive) | 2482 APO_UDMA_EN_MTH(chp->channel, drive); 2483 if (sc->sc_wdcdev.UDMA_cap == 6) { 2484 /* 8233a */ 2485 udmatim_reg |= APO_UDMA_TIME(chp->channel, 2486 drive, apollo_udma133_tim[drvp->UDMA_mode]); 2487 } else if (sc->sc_wdcdev.UDMA_cap == 5) { 2488 /* 686b */ 2489 udmatim_reg |= APO_UDMA_TIME(chp->channel, 2490 drive, apollo_udma100_tim[drvp->UDMA_mode]); 2491 } else if (sc->sc_wdcdev.UDMA_cap == 4) { 2492 /* 596b or 686a */ 2493 udmatim_reg |= APO_UDMA_CLK66(chp->channel); 2494 udmatim_reg |= APO_UDMA_TIME(chp->channel, 2495 drive, apollo_udma66_tim[drvp->UDMA_mode]); 2496 } else { 2497 /* 596a or 586b */ 2498 udmatim_reg |= APO_UDMA_TIME(chp->channel, 2499 drive, apollo_udma33_tim[drvp->UDMA_mode]); 2500 } 2501 /* can use PIO timings, MW DMA unused */ 2502 mode = drvp->PIO_mode; 2503 } else { 2504 /* use Multiword DMA */ 2505 drvp->drive_flags &= ~DRIVE_UDMA; 2506 /* mode = min(pio, dma+2) */ 2507 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 2508 mode = drvp->PIO_mode; 2509 else 2510 mode = drvp->DMA_mode + 2; 2511 } 2512 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2513 2514 pio: /* setup PIO mode */ 2515 if (mode <= 2) { 2516 drvp->DMA_mode = 0; 2517 drvp->PIO_mode = 0; 2518 mode = 0; 2519 } else { 2520 drvp->PIO_mode = mode; 2521 drvp->DMA_mode = mode - 2; 2522 } 2523 datatim_reg |= 2524 APO_DATATIM_PULSE(chp->channel, drive, 2525 apollo_pio_set[mode]) | 2526 APO_DATATIM_RECOV(chp->channel, drive, 2527 apollo_pio_rec[mode]); 2528 } 2529 if (idedma_ctl != 0) { 2530 /* Add software bits in status register */ 2531 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2532 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2533 idedma_ctl); 2534 } 2535 pciide_print_modes(cp); 2536 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM, datatim_reg); 2537 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA, udmatim_reg); 2538 } 2539 2540 void 2541 cmd_channel_map(pa, sc, channel) 2542 struct pci_attach_args *pa; 2543 struct pciide_softc *sc; 2544 int channel; 2545 { 2546 struct pciide_channel *cp = &sc->pciide_channels[channel]; 2547 bus_size_t cmdsize, ctlsize; 2548 u_int8_t ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CTRL); 2549 int interface, one_channel; 2550 2551 /* 2552 * The 0648/0649 can be told to identify as a RAID controller. 2553 * In this case, we have to fake interface 2554 */ 2555 if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) { 2556 interface = PCIIDE_INTERFACE_SETTABLE(0) | 2557 PCIIDE_INTERFACE_SETTABLE(1); 2558 if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) & 2559 CMD_CONF_DSA1) 2560 interface |= PCIIDE_INTERFACE_PCI(0) | 2561 PCIIDE_INTERFACE_PCI(1); 2562 } else { 2563 interface = PCI_INTERFACE(pa->pa_class); 2564 } 2565 2566 sc->wdc_chanarray[channel] = &cp->wdc_channel; 2567 cp->name = PCIIDE_CHANNEL_NAME(channel); 2568 cp->wdc_channel.channel = channel; 2569 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2570 2571 /* 2572 * Older CMD64X doesn't have independant channels 2573 */ 2574 switch (sc->sc_pp->ide_product) { 2575 case PCI_PRODUCT_CMDTECH_649: 2576 one_channel = 0; 2577 break; 2578 default: 2579 one_channel = 1; 2580 break; 2581 } 2582 2583 if (channel > 0 && one_channel) { 2584 cp->wdc_channel.ch_queue = 2585 sc->pciide_channels[0].wdc_channel.ch_queue; 2586 } else { 2587 cp->wdc_channel.ch_queue = 2588 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2589 } 2590 if (cp->wdc_channel.ch_queue == NULL) { 2591 aprint_error("%s %s channel: " 2592 "can't allocate memory for command queue", 2593 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2594 return; 2595 } 2596 2597 aprint_normal("%s: %s channel %s to %s mode\n", 2598 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 2599 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 2600 "configured" : "wired", 2601 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 2602 "native-PCI" : "compatibility"); 2603 2604 /* 2605 * with a CMD PCI64x, if we get here, the first channel is enabled: 2606 * there's no way to disable the first channel without disabling 2607 * the whole device 2608 */ 2609 if (channel != 0 && (ctrl & CMD_CTRL_2PORT) == 0) { 2610 aprint_normal("%s: %s channel ignored (disabled)\n", 2611 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2612 return; 2613 } 2614 2615 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, cmd_pci_intr); 2616 if (cp->hw_ok == 0) 2617 return; 2618 if (channel == 1) { 2619 if (pciide_chan_candisable(cp)) { 2620 ctrl &= ~CMD_CTRL_2PORT; 2621 pciide_pci_write(pa->pa_pc, pa->pa_tag, 2622 CMD_CTRL, ctrl); 2623 } 2624 } 2625 pciide_map_compat_intr(pa, cp, channel, interface); 2626 } 2627 2628 int 2629 cmd_pci_intr(arg) 2630 void *arg; 2631 { 2632 struct pciide_softc *sc = arg; 2633 struct pciide_channel *cp; 2634 struct channel_softc *wdc_cp; 2635 int i, rv, crv; 2636 u_int32_t priirq, secirq; 2637 2638 rv = 0; 2639 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2640 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2641 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2642 cp = &sc->pciide_channels[i]; 2643 wdc_cp = &cp->wdc_channel; 2644 /* If a compat channel skip. */ 2645 if (cp->compat) 2646 continue; 2647 if ((i == 0 && (priirq & CMD_CONF_DRV0_INTR)) || 2648 (i == 1 && (secirq & CMD_ARTTIM23_IRQ))) { 2649 crv = wdcintr(wdc_cp); 2650 if (crv == 0) 2651 printf("%s:%d: bogus intr\n", 2652 sc->sc_wdcdev.sc_dev.dv_xname, i); 2653 else 2654 rv = 1; 2655 } 2656 } 2657 return rv; 2658 } 2659 2660 void 2661 cmd_chip_map(sc, pa) 2662 struct pciide_softc *sc; 2663 struct pci_attach_args *pa; 2664 { 2665 int channel; 2666 2667 /* 2668 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2669 * and base adresses registers can be disabled at 2670 * hardware level. In this case, the device is wired 2671 * in compat mode and its first channel is always enabled, 2672 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2673 * In fact, it seems that the first channel of the CMD PCI0640 2674 * can't be disabled. 2675 */ 2676 2677 #ifdef PCIIDE_CMD064x_DISABLE 2678 if (pciide_chipen(sc, pa) == 0) 2679 return; 2680 #endif 2681 2682 aprint_normal("%s: hardware does not support DMA\n", 2683 sc->sc_wdcdev.sc_dev.dv_xname); 2684 sc->sc_dma_ok = 0; 2685 2686 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2687 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2688 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16; 2689 2690 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2691 cmd_channel_map(pa, sc, channel); 2692 } 2693 } 2694 2695 void 2696 cmd0643_9_chip_map(sc, pa) 2697 struct pciide_softc *sc; 2698 struct pci_attach_args *pa; 2699 { 2700 struct pciide_channel *cp; 2701 int channel; 2702 pcireg_t rev = PCI_REVISION(pa->pa_class); 2703 2704 /* 2705 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2706 * and base adresses registers can be disabled at 2707 * hardware level. In this case, the device is wired 2708 * in compat mode and its first channel is always enabled, 2709 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2710 * In fact, it seems that the first channel of the CMD PCI0640 2711 * can't be disabled. 2712 */ 2713 2714 #ifdef PCIIDE_CMD064x_DISABLE 2715 if (pciide_chipen(sc, pa) == 0) 2716 return; 2717 #endif 2718 aprint_normal("%s: bus-master DMA support present", 2719 sc->sc_wdcdev.sc_dev.dv_xname); 2720 pciide_mapreg_dma(sc, pa); 2721 aprint_normal("\n"); 2722 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2723 WDC_CAPABILITY_MODE; 2724 if (sc->sc_dma_ok) { 2725 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2726 switch (sc->sc_pp->ide_product) { 2727 case PCI_PRODUCT_CMDTECH_649: 2728 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2729 sc->sc_wdcdev.UDMA_cap = 5; 2730 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2731 break; 2732 case PCI_PRODUCT_CMDTECH_648: 2733 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2734 sc->sc_wdcdev.UDMA_cap = 4; 2735 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2736 break; 2737 case PCI_PRODUCT_CMDTECH_646: 2738 if (rev >= CMD0646U2_REV) { 2739 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2740 sc->sc_wdcdev.UDMA_cap = 2; 2741 } else if (rev >= CMD0646U_REV) { 2742 /* 2743 * Linux's driver claims that the 646U is broken 2744 * with UDMA. Only enable it if we know what we're 2745 * doing 2746 */ 2747 #ifdef PCIIDE_CMD0646U_ENABLEUDMA 2748 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2749 sc->sc_wdcdev.UDMA_cap = 2; 2750 #endif 2751 /* explicitly disable UDMA */ 2752 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2753 CMD_UDMATIM(0), 0); 2754 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2755 CMD_UDMATIM(1), 0); 2756 } 2757 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2758 break; 2759 default: 2760 sc->sc_wdcdev.irqack = pciide_irqack; 2761 } 2762 } 2763 2764 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2765 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2766 sc->sc_wdcdev.PIO_cap = 4; 2767 sc->sc_wdcdev.DMA_cap = 2; 2768 sc->sc_wdcdev.set_modes = cmd0643_9_setup_channel; 2769 2770 WDCDEBUG_PRINT(("cmd0643_9_chip_map: old timings reg 0x%x 0x%x\n", 2771 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2772 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2773 DEBUG_PROBE); 2774 2775 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2776 cp = &sc->pciide_channels[channel]; 2777 cmd_channel_map(pa, sc, channel); 2778 if (cp->hw_ok == 0) 2779 continue; 2780 cmd0643_9_setup_channel(&cp->wdc_channel); 2781 } 2782 /* 2783 * note - this also makes sure we clear the irq disable and reset 2784 * bits 2785 */ 2786 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_DMA_MODE, CMD_DMA_MULTIPLE); 2787 WDCDEBUG_PRINT(("cmd0643_9_chip_map: timings reg now 0x%x 0x%x\n", 2788 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2789 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2790 DEBUG_PROBE); 2791 } 2792 2793 void 2794 cmd0643_9_setup_channel(chp) 2795 struct channel_softc *chp; 2796 { 2797 struct ata_drive_datas *drvp; 2798 u_int8_t tim; 2799 u_int32_t idedma_ctl, udma_reg; 2800 int drive; 2801 struct pciide_channel *cp = (struct pciide_channel*)chp; 2802 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2803 2804 idedma_ctl = 0; 2805 /* setup DMA if needed */ 2806 pciide_channel_dma_setup(cp); 2807 2808 for (drive = 0; drive < 2; drive++) { 2809 drvp = &chp->ch_drive[drive]; 2810 /* If no drive, skip */ 2811 if ((drvp->drive_flags & DRIVE) == 0) 2812 continue; 2813 /* add timing values, setup DMA if needed */ 2814 tim = cmd0643_9_data_tim_pio[drvp->PIO_mode]; 2815 if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) { 2816 if (drvp->drive_flags & DRIVE_UDMA) { 2817 /* UltraDMA on a 646U2, 0648 or 0649 */ 2818 drvp->drive_flags &= ~DRIVE_DMA; 2819 udma_reg = pciide_pci_read(sc->sc_pc, 2820 sc->sc_tag, CMD_UDMATIM(chp->channel)); 2821 if (drvp->UDMA_mode > 2 && 2822 (pciide_pci_read(sc->sc_pc, sc->sc_tag, 2823 CMD_BICSR) & 2824 CMD_BICSR_80(chp->channel)) == 0) 2825 drvp->UDMA_mode = 2; 2826 if (drvp->UDMA_mode > 2) 2827 udma_reg &= ~CMD_UDMATIM_UDMA33(drive); 2828 else if (sc->sc_wdcdev.UDMA_cap > 2) 2829 udma_reg |= CMD_UDMATIM_UDMA33(drive); 2830 udma_reg |= CMD_UDMATIM_UDMA(drive); 2831 udma_reg &= ~(CMD_UDMATIM_TIM_MASK << 2832 CMD_UDMATIM_TIM_OFF(drive)); 2833 udma_reg |= 2834 (cmd0646_9_tim_udma[drvp->UDMA_mode] << 2835 CMD_UDMATIM_TIM_OFF(drive)); 2836 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2837 CMD_UDMATIM(chp->channel), udma_reg); 2838 } else { 2839 /* 2840 * use Multiword DMA. 2841 * Timings will be used for both PIO and DMA, 2842 * so adjust DMA mode if needed 2843 * if we have a 0646U2/8/9, turn off UDMA 2844 */ 2845 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 2846 udma_reg = pciide_pci_read(sc->sc_pc, 2847 sc->sc_tag, 2848 CMD_UDMATIM(chp->channel)); 2849 udma_reg &= ~CMD_UDMATIM_UDMA(drive); 2850 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2851 CMD_UDMATIM(chp->channel), 2852 udma_reg); 2853 } 2854 if (drvp->PIO_mode >= 3 && 2855 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 2856 drvp->DMA_mode = drvp->PIO_mode - 2; 2857 } 2858 tim = cmd0643_9_data_tim_dma[drvp->DMA_mode]; 2859 } 2860 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2861 } 2862 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2863 CMD_DATA_TIM(chp->channel, drive), tim); 2864 } 2865 if (idedma_ctl != 0) { 2866 /* Add software bits in status register */ 2867 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2868 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2869 idedma_ctl); 2870 } 2871 pciide_print_modes(cp); 2872 } 2873 2874 void 2875 cmd646_9_irqack(chp) 2876 struct channel_softc *chp; 2877 { 2878 u_int32_t priirq, secirq; 2879 struct pciide_channel *cp = (struct pciide_channel*)chp; 2880 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2881 2882 if (chp->channel == 0) { 2883 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2884 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_CONF, priirq); 2885 } else { 2886 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2887 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23, secirq); 2888 } 2889 pciide_irqack(chp); 2890 } 2891 2892 void 2893 cmd680_chip_map(sc, pa) 2894 struct pciide_softc *sc; 2895 struct pci_attach_args *pa; 2896 { 2897 struct pciide_channel *cp; 2898 int channel; 2899 2900 if (pciide_chipen(sc, pa) == 0) 2901 return; 2902 aprint_normal("%s: bus-master DMA support present", 2903 sc->sc_wdcdev.sc_dev.dv_xname); 2904 pciide_mapreg_dma(sc, pa); 2905 aprint_normal("\n"); 2906 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2907 WDC_CAPABILITY_MODE; 2908 if (sc->sc_dma_ok) { 2909 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2910 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2911 sc->sc_wdcdev.UDMA_cap = 6; 2912 sc->sc_wdcdev.irqack = pciide_irqack; 2913 } 2914 2915 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2916 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2917 sc->sc_wdcdev.PIO_cap = 4; 2918 sc->sc_wdcdev.DMA_cap = 2; 2919 sc->sc_wdcdev.set_modes = cmd680_setup_channel; 2920 2921 pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x80, 0x00); 2922 pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x84, 0x00); 2923 pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x8a, 2924 pciide_pci_read(sc->sc_pc, sc->sc_tag, 0x8a) | 0x01); 2925 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2926 cp = &sc->pciide_channels[channel]; 2927 cmd680_channel_map(pa, sc, channel); 2928 if (cp->hw_ok == 0) 2929 continue; 2930 cmd680_setup_channel(&cp->wdc_channel); 2931 } 2932 } 2933 2934 void 2935 cmd680_channel_map(pa, sc, channel) 2936 struct pci_attach_args *pa; 2937 struct pciide_softc *sc; 2938 int channel; 2939 { 2940 struct pciide_channel *cp = &sc->pciide_channels[channel]; 2941 bus_size_t cmdsize, ctlsize; 2942 int interface, i, reg; 2943 static const u_int8_t init_val[] = 2944 { 0x8a, 0x32, 0x8a, 0x32, 0x8a, 0x32, 2945 0x92, 0x43, 0x92, 0x43, 0x09, 0x40, 0x09, 0x40 }; 2946 2947 if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) { 2948 interface = PCIIDE_INTERFACE_SETTABLE(0) | 2949 PCIIDE_INTERFACE_SETTABLE(1); 2950 interface |= PCIIDE_INTERFACE_PCI(0) | 2951 PCIIDE_INTERFACE_PCI(1); 2952 } else { 2953 interface = PCI_INTERFACE(pa->pa_class); 2954 } 2955 2956 sc->wdc_chanarray[channel] = &cp->wdc_channel; 2957 cp->name = PCIIDE_CHANNEL_NAME(channel); 2958 cp->wdc_channel.channel = channel; 2959 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2960 2961 cp->wdc_channel.ch_queue = 2962 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2963 if (cp->wdc_channel.ch_queue == NULL) { 2964 aprint_error("%s %s channel: " 2965 "can't allocate memory for command queue", 2966 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2967 return; 2968 } 2969 2970 /* XXX */ 2971 reg = 0xa2 + channel * 16; 2972 for (i = 0; i < sizeof(init_val); i++) 2973 pciide_pci_write(sc->sc_pc, sc->sc_tag, reg + i, init_val[i]); 2974 2975 aprint_normal("%s: %s channel %s to %s mode\n", 2976 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 2977 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 2978 "configured" : "wired", 2979 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 2980 "native-PCI" : "compatibility"); 2981 2982 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr); 2983 if (cp->hw_ok == 0) 2984 return; 2985 pciide_map_compat_intr(pa, cp, channel, interface); 2986 } 2987 2988 void 2989 cmd680_setup_channel(chp) 2990 struct channel_softc *chp; 2991 { 2992 struct ata_drive_datas *drvp; 2993 u_int8_t mode, off, scsc; 2994 u_int16_t val; 2995 u_int32_t idedma_ctl; 2996 int drive; 2997 struct pciide_channel *cp = (struct pciide_channel*)chp; 2998 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2999 pci_chipset_tag_t pc = sc->sc_pc; 3000 pcitag_t pa = sc->sc_tag; 3001 static const u_int8_t udma2_tbl[] = 3002 { 0x0f, 0x0b, 0x07, 0x06, 0x03, 0x02, 0x01 }; 3003 static const u_int8_t udma_tbl[] = 3004 { 0x0c, 0x07, 0x05, 0x04, 0x02, 0x01, 0x00 }; 3005 static const u_int16_t dma_tbl[] = 3006 { 0x2208, 0x10c2, 0x10c1 }; 3007 static const u_int16_t pio_tbl[] = 3008 { 0x328a, 0x2283, 0x1104, 0x10c3, 0x10c1 }; 3009 3010 idedma_ctl = 0; 3011 pciide_channel_dma_setup(cp); 3012 mode = pciide_pci_read(pc, pa, 0x80 + chp->channel * 4); 3013 3014 for (drive = 0; drive < 2; drive++) { 3015 drvp = &chp->ch_drive[drive]; 3016 /* If no drive, skip */ 3017 if ((drvp->drive_flags & DRIVE) == 0) 3018 continue; 3019 mode &= ~(0x03 << (drive * 4)); 3020 if (drvp->drive_flags & DRIVE_UDMA) { 3021 drvp->drive_flags &= ~DRIVE_DMA; 3022 off = 0xa0 + chp->channel * 16; 3023 if (drvp->UDMA_mode > 2 && 3024 (pciide_pci_read(pc, pa, off) & 0x01) == 0) 3025 drvp->UDMA_mode = 2; 3026 scsc = pciide_pci_read(pc, pa, 0x8a); 3027 if (drvp->UDMA_mode == 6 && (scsc & 0x30) == 0) { 3028 pciide_pci_write(pc, pa, 0x8a, scsc | 0x01); 3029 scsc = pciide_pci_read(pc, pa, 0x8a); 3030 if ((scsc & 0x30) == 0) 3031 drvp->UDMA_mode = 5; 3032 } 3033 mode |= 0x03 << (drive * 4); 3034 off = 0xac + chp->channel * 16 + drive * 2; 3035 val = pciide_pci_read(pc, pa, off) & ~0x3f; 3036 if (scsc & 0x30) 3037 val |= udma2_tbl[drvp->UDMA_mode]; 3038 else 3039 val |= udma_tbl[drvp->UDMA_mode]; 3040 pciide_pci_write(pc, pa, off, val); 3041 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3042 } else if (drvp->drive_flags & DRIVE_DMA) { 3043 mode |= 0x02 << (drive * 4); 3044 off = 0xa8 + chp->channel * 16 + drive * 2; 3045 val = dma_tbl[drvp->DMA_mode]; 3046 pciide_pci_write(pc, pa, off, val & 0xff); 3047 pciide_pci_write(pc, pa, off, val >> 8); 3048 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3049 } else { 3050 mode |= 0x01 << (drive * 4); 3051 off = 0xa4 + chp->channel * 16 + drive * 2; 3052 val = pio_tbl[drvp->PIO_mode]; 3053 pciide_pci_write(pc, pa, off, val & 0xff); 3054 pciide_pci_write(pc, pa, off, val >> 8); 3055 } 3056 } 3057 3058 pciide_pci_write(pc, pa, 0x80 + chp->channel * 4, mode); 3059 if (idedma_ctl != 0) { 3060 /* Add software bits in status register */ 3061 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3062 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 3063 idedma_ctl); 3064 } 3065 pciide_print_modes(cp); 3066 } 3067 3068 void 3069 cmd3112_chip_map(sc, pa) 3070 struct pciide_softc *sc; 3071 struct pci_attach_args *pa; 3072 { 3073 struct pciide_channel *cp; 3074 bus_size_t cmdsize, ctlsize; 3075 pcireg_t interface; 3076 int channel; 3077 3078 if (pciide_chipen(sc, pa) == 0) 3079 return; 3080 3081 aprint_normal("%s: bus-master DMA support present", 3082 sc->sc_wdcdev.sc_dev.dv_xname); 3083 pciide_mapreg_dma(sc, pa); 3084 aprint_normal("\n"); 3085 3086 /* 3087 * Rev. <= 0x01 of the 3112 have a bug that can cause data 3088 * corruption if DMA transfers cross an 8K boundary. This is 3089 * apparently hard to tickle, but we'll go ahead and play it 3090 * safe. 3091 */ 3092 if (PCI_REVISION(pa->pa_class) <= 0x01) { 3093 sc->sc_dma_maxsegsz = 8192; 3094 sc->sc_dma_boundary = 8192; 3095 } 3096 3097 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3098 WDC_CAPABILITY_MODE; 3099 sc->sc_wdcdev.PIO_cap = 4; 3100 if (sc->sc_dma_ok) { 3101 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 3102 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 3103 sc->sc_wdcdev.irqack = pciide_irqack; 3104 sc->sc_wdcdev.DMA_cap = 2; 3105 sc->sc_wdcdev.UDMA_cap = 6; 3106 } 3107 sc->sc_wdcdev.set_modes = cmd3112_setup_channel; 3108 3109 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3110 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3111 3112 /* 3113 * The 3112 can be told to identify as a RAID controller. 3114 * In this case, we have to fake interface 3115 */ 3116 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 3117 interface = PCI_INTERFACE(pa->pa_class); 3118 } else { 3119 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 3120 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 3121 } 3122 3123 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3124 cp = &sc->pciide_channels[channel]; 3125 if (pciide_chansetup(sc, channel, interface) == 0) 3126 continue; 3127 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3128 pciide_pci_intr); 3129 if (cp->hw_ok == 0) 3130 continue; 3131 pciide_map_compat_intr(pa, cp, channel, interface); 3132 cmd3112_setup_channel(&cp->wdc_channel); 3133 } 3134 } 3135 3136 void 3137 cmd3112_setup_channel(chp) 3138 struct channel_softc *chp; 3139 { 3140 struct ata_drive_datas *drvp; 3141 int drive; 3142 u_int32_t idedma_ctl, dtm; 3143 struct pciide_channel *cp = (struct pciide_channel*)chp; 3144 struct pciide_softc *sc = (struct pciide_softc*)cp->wdc_channel.wdc; 3145 3146 /* setup DMA if needed */ 3147 pciide_channel_dma_setup(cp); 3148 3149 idedma_ctl = 0; 3150 dtm = 0; 3151 3152 for (drive = 0; drive < 2; drive++) { 3153 drvp = &chp->ch_drive[drive]; 3154 /* If no drive, skip */ 3155 if ((drvp->drive_flags & DRIVE) == 0) 3156 continue; 3157 if (drvp->drive_flags & DRIVE_UDMA) { 3158 /* use Ultra/DMA */ 3159 drvp->drive_flags &= ~DRIVE_DMA; 3160 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3161 dtm |= DTM_IDEx_DMA; 3162 } else if (drvp->drive_flags & DRIVE_DMA) { 3163 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3164 dtm |= DTM_IDEx_DMA; 3165 } else { 3166 dtm |= DTM_IDEx_PIO; 3167 } 3168 } 3169 3170 /* 3171 * Nothing to do to setup modes; it is meaningless in S-ATA 3172 * (but many S-ATA drives still want to get the SET_FEATURE 3173 * command). 3174 */ 3175 if (idedma_ctl != 0) { 3176 /* Add software bits in status register */ 3177 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3178 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 3179 idedma_ctl); 3180 } 3181 pci_conf_write(sc->sc_pc, sc->sc_tag, 3182 chp->channel == 0 ? SII3112_DTM_IDE0 : SII3112_DTM_IDE1, dtm); 3183 pciide_print_modes(cp); 3184 } 3185 3186 void 3187 cy693_chip_map(sc, pa) 3188 struct pciide_softc *sc; 3189 struct pci_attach_args *pa; 3190 { 3191 struct pciide_channel *cp; 3192 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 3193 bus_size_t cmdsize, ctlsize; 3194 3195 if (pciide_chipen(sc, pa) == 0) 3196 return; 3197 /* 3198 * this chip has 2 PCI IDE functions, one for primary and one for 3199 * secondary. So we need to call pciide_mapregs_compat() with 3200 * the real channel 3201 */ 3202 if (pa->pa_function == 1) { 3203 sc->sc_cy_compatchan = 0; 3204 } else if (pa->pa_function == 2) { 3205 sc->sc_cy_compatchan = 1; 3206 } else { 3207 aprint_error("%s: unexpected PCI function %d\n", 3208 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 3209 return; 3210 } 3211 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 3212 aprint_normal("%s: bus-master DMA support present", 3213 sc->sc_wdcdev.sc_dev.dv_xname); 3214 pciide_mapreg_dma(sc, pa); 3215 } else { 3216 aprint_normal("%s: hardware does not support DMA", 3217 sc->sc_wdcdev.sc_dev.dv_xname); 3218 sc->sc_dma_ok = 0; 3219 } 3220 aprint_normal("\n"); 3221 3222 sc->sc_cy_handle = cy82c693_init(pa->pa_iot); 3223 if (sc->sc_cy_handle == NULL) { 3224 aprint_error("%s: unable to map hyperCache control registers\n", 3225 sc->sc_wdcdev.sc_dev.dv_xname); 3226 sc->sc_dma_ok = 0; 3227 } 3228 3229 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3230 WDC_CAPABILITY_MODE; 3231 if (sc->sc_dma_ok) { 3232 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 3233 sc->sc_wdcdev.irqack = pciide_irqack; 3234 } 3235 sc->sc_wdcdev.PIO_cap = 4; 3236 sc->sc_wdcdev.DMA_cap = 2; 3237 sc->sc_wdcdev.set_modes = cy693_setup_channel; 3238 3239 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3240 sc->sc_wdcdev.nchannels = 1; 3241 3242 /* Only one channel for this chip; if we are here it's enabled */ 3243 cp = &sc->pciide_channels[0]; 3244 sc->wdc_chanarray[0] = &cp->wdc_channel; 3245 cp->name = PCIIDE_CHANNEL_NAME(0); 3246 cp->wdc_channel.channel = 0; 3247 cp->wdc_channel.wdc = &sc->sc_wdcdev; 3248 cp->wdc_channel.ch_queue = 3249 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 3250 if (cp->wdc_channel.ch_queue == NULL) { 3251 aprint_error("%s primary channel: " 3252 "can't allocate memory for command queue", 3253 sc->sc_wdcdev.sc_dev.dv_xname); 3254 return; 3255 } 3256 aprint_normal("%s: primary channel %s to ", 3257 sc->sc_wdcdev.sc_dev.dv_xname, 3258 (interface & PCIIDE_INTERFACE_SETTABLE(0)) ? 3259 "configured" : "wired"); 3260 if (interface & PCIIDE_INTERFACE_PCI(0)) { 3261 aprint_normal("native-PCI"); 3262 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize, 3263 pciide_pci_intr); 3264 } else { 3265 aprint_normal("compatibility"); 3266 cp->hw_ok = pciide_mapregs_compat(pa, cp, sc->sc_cy_compatchan, 3267 &cmdsize, &ctlsize); 3268 } 3269 aprint_normal(" mode\n"); 3270 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 3271 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 3272 wdcattach(&cp->wdc_channel); 3273 if (pciide_chan_candisable(cp)) { 3274 pci_conf_write(sc->sc_pc, sc->sc_tag, 3275 PCI_COMMAND_STATUS_REG, 0); 3276 } 3277 pciide_map_compat_intr(pa, cp, sc->sc_cy_compatchan, interface); 3278 if (cp->hw_ok == 0) 3279 return; 3280 WDCDEBUG_PRINT(("cy693_chip_map: old timings reg 0x%x\n", 3281 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)),DEBUG_PROBE); 3282 cy693_setup_channel(&cp->wdc_channel); 3283 WDCDEBUG_PRINT(("cy693_chip_map: new timings reg 0x%x\n", 3284 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE); 3285 } 3286 3287 void 3288 cy693_setup_channel(chp) 3289 struct channel_softc *chp; 3290 { 3291 struct ata_drive_datas *drvp; 3292 int drive; 3293 u_int32_t cy_cmd_ctrl; 3294 u_int32_t idedma_ctl; 3295 struct pciide_channel *cp = (struct pciide_channel*)chp; 3296 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3297 int dma_mode = -1; 3298 3299 cy_cmd_ctrl = idedma_ctl = 0; 3300 3301 /* setup DMA if needed */ 3302 pciide_channel_dma_setup(cp); 3303 3304 for (drive = 0; drive < 2; drive++) { 3305 drvp = &chp->ch_drive[drive]; 3306 /* If no drive, skip */ 3307 if ((drvp->drive_flags & DRIVE) == 0) 3308 continue; 3309 /* add timing values, setup DMA if needed */ 3310 if (drvp->drive_flags & DRIVE_DMA) { 3311 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3312 /* use Multiword DMA */ 3313 if (dma_mode == -1 || dma_mode > drvp->DMA_mode) 3314 dma_mode = drvp->DMA_mode; 3315 } 3316 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 3317 CY_CMD_CTRL_IOW_PULSE_OFF(drive)); 3318 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 3319 CY_CMD_CTRL_IOW_REC_OFF(drive)); 3320 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 3321 CY_CMD_CTRL_IOR_PULSE_OFF(drive)); 3322 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 3323 CY_CMD_CTRL_IOR_REC_OFF(drive)); 3324 } 3325 pci_conf_write(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL, cy_cmd_ctrl); 3326 chp->ch_drive[0].DMA_mode = dma_mode; 3327 chp->ch_drive[1].DMA_mode = dma_mode; 3328 3329 if (dma_mode == -1) 3330 dma_mode = 0; 3331 3332 if (sc->sc_cy_handle != NULL) { 3333 /* Note: `multiple' is implied. */ 3334 cy82c693_write(sc->sc_cy_handle, 3335 (sc->sc_cy_compatchan == 0) ? 3336 CY_DMA_IDX_PRIMARY : CY_DMA_IDX_SECONDARY, dma_mode); 3337 } 3338 3339 pciide_print_modes(cp); 3340 3341 if (idedma_ctl != 0) { 3342 /* Add software bits in status register */ 3343 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3344 IDEDMA_CTL, idedma_ctl); 3345 } 3346 } 3347 3348 static struct sis_hostbr_type { 3349 u_int16_t id; 3350 u_int8_t rev; 3351 u_int8_t udma_mode; 3352 char *name; 3353 u_int8_t type; 3354 #define SIS_TYPE_NOUDMA 0 3355 #define SIS_TYPE_66 1 3356 #define SIS_TYPE_100OLD 2 3357 #define SIS_TYPE_100NEW 3 3358 #define SIS_TYPE_133OLD 4 3359 #define SIS_TYPE_133NEW 5 3360 #define SIS_TYPE_SOUTH 6 3361 } sis_hostbr_type[] = { 3362 /* Most infos here are from sos (at) freebsd.org */ 3363 {PCI_PRODUCT_SIS_530HB, 0x00, 4, "530", SIS_TYPE_66}, 3364 #if 0 3365 /* 3366 * controllers associated to a rev 0x2 530 Host to PCI Bridge 3367 * have problems with UDMA (info provided by Christos) 3368 */ 3369 {PCI_PRODUCT_SIS_530HB, 0x02, 0, "530 (buggy)", SIS_TYPE_NOUDMA}, 3370 #endif 3371 {PCI_PRODUCT_SIS_540HB, 0x00, 4, "540", SIS_TYPE_66}, 3372 {PCI_PRODUCT_SIS_550HB, 0x00, 4, "550", SIS_TYPE_66}, 3373 {PCI_PRODUCT_SIS_620, 0x00, 4, "620", SIS_TYPE_66}, 3374 {PCI_PRODUCT_SIS_630, 0x00, 4, "630", SIS_TYPE_66}, 3375 {PCI_PRODUCT_SIS_630, 0x30, 5, "630S", SIS_TYPE_100NEW}, 3376 {PCI_PRODUCT_SIS_633, 0x00, 5, "633", SIS_TYPE_100NEW}, 3377 {PCI_PRODUCT_SIS_635, 0x00, 5, "635", SIS_TYPE_100NEW}, 3378 {PCI_PRODUCT_SIS_640, 0x00, 4, "640", SIS_TYPE_SOUTH}, 3379 {PCI_PRODUCT_SIS_645, 0x00, 6, "645", SIS_TYPE_SOUTH}, 3380 {PCI_PRODUCT_SIS_646, 0x00, 6, "645DX", SIS_TYPE_SOUTH}, 3381 {PCI_PRODUCT_SIS_648, 0x00, 6, "648", SIS_TYPE_SOUTH}, 3382 {PCI_PRODUCT_SIS_650, 0x00, 6, "650", SIS_TYPE_SOUTH}, 3383 {PCI_PRODUCT_SIS_651, 0x00, 6, "651", SIS_TYPE_SOUTH}, 3384 {PCI_PRODUCT_SIS_652, 0x00, 6, "652", SIS_TYPE_SOUTH}, 3385 {PCI_PRODUCT_SIS_655, 0x00, 6, "655", SIS_TYPE_SOUTH}, 3386 {PCI_PRODUCT_SIS_658, 0x00, 6, "658", SIS_TYPE_SOUTH}, 3387 {PCI_PRODUCT_SIS_730, 0x00, 5, "730", SIS_TYPE_100OLD}, 3388 {PCI_PRODUCT_SIS_733, 0x00, 5, "733", SIS_TYPE_100NEW}, 3389 {PCI_PRODUCT_SIS_735, 0x00, 5, "735", SIS_TYPE_100NEW}, 3390 {PCI_PRODUCT_SIS_740, 0x00, 5, "740", SIS_TYPE_SOUTH}, 3391 {PCI_PRODUCT_SIS_745, 0x00, 5, "745", SIS_TYPE_100NEW}, 3392 {PCI_PRODUCT_SIS_746, 0x00, 6, "746", SIS_TYPE_SOUTH}, 3393 {PCI_PRODUCT_SIS_748, 0x00, 6, "748", SIS_TYPE_SOUTH}, 3394 {PCI_PRODUCT_SIS_750, 0x00, 6, "750", SIS_TYPE_SOUTH}, 3395 {PCI_PRODUCT_SIS_751, 0x00, 6, "751", SIS_TYPE_SOUTH}, 3396 {PCI_PRODUCT_SIS_752, 0x00, 6, "752", SIS_TYPE_SOUTH}, 3397 {PCI_PRODUCT_SIS_755, 0x00, 6, "755", SIS_TYPE_SOUTH}, 3398 /* 3399 * From sos (at) freebsd.org: the 0x961 ID will never be found in real world 3400 * {PCI_PRODUCT_SIS_961, 0x00, 6, "961", SIS_TYPE_133NEW}, 3401 */ 3402 {PCI_PRODUCT_SIS_962, 0x00, 6, "962", SIS_TYPE_133NEW}, 3403 {PCI_PRODUCT_SIS_963, 0x00, 6, "963", SIS_TYPE_133NEW}, 3404 }; 3405 3406 static struct sis_hostbr_type *sis_hostbr_type_match; 3407 3408 static int 3409 sis_hostbr_match(pa) 3410 struct pci_attach_args *pa; 3411 { 3412 int i; 3413 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_SIS) 3414 return 0; 3415 sis_hostbr_type_match = NULL; 3416 for (i = 0; 3417 i < sizeof(sis_hostbr_type) / sizeof(sis_hostbr_type[0]); 3418 i++) { 3419 if (PCI_PRODUCT(pa->pa_id) == sis_hostbr_type[i].id && 3420 PCI_REVISION(pa->pa_class) >= sis_hostbr_type[i].rev) 3421 sis_hostbr_type_match = &sis_hostbr_type[i]; 3422 } 3423 return (sis_hostbr_type_match != NULL); 3424 } 3425 3426 static int sis_south_match(pa) 3427 struct pci_attach_args *pa; 3428 { 3429 return(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SIS && 3430 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SIS_85C503 && 3431 PCI_REVISION(pa->pa_class) >= 0x10); 3432 } 3433 3434 void 3435 sis_chip_map(sc, pa) 3436 struct pciide_softc *sc; 3437 struct pci_attach_args *pa; 3438 { 3439 struct pciide_channel *cp; 3440 int channel; 3441 u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0); 3442 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 3443 pcireg_t rev = PCI_REVISION(pa->pa_class); 3444 bus_size_t cmdsize, ctlsize; 3445 3446 if (pciide_chipen(sc, pa) == 0) 3447 return; 3448 aprint_normal(": Silicon Integrated System "); 3449 pci_find_device(NULL, sis_hostbr_match); 3450 if (sis_hostbr_type_match) { 3451 if (sis_hostbr_type_match->type == SIS_TYPE_SOUTH) { 3452 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_57, 3453 pciide_pci_read(sc->sc_pc, sc->sc_tag, 3454 SIS_REG_57) & 0x7f); 3455 if (PCI_PRODUCT(pci_conf_read(sc->sc_pc, sc->sc_tag, 3456 PCI_ID_REG)) == SIS_PRODUCT_5518) { 3457 aprint_normal("96X UDMA%d", 3458 sis_hostbr_type_match->udma_mode); 3459 sc->sis_type = SIS_TYPE_133NEW; 3460 sc->sc_wdcdev.UDMA_cap = 3461 sis_hostbr_type_match->udma_mode; 3462 } else { 3463 if (pci_find_device(NULL, sis_south_match)) { 3464 sc->sis_type = SIS_TYPE_133OLD; 3465 sc->sc_wdcdev.UDMA_cap = 3466 sis_hostbr_type_match->udma_mode; 3467 } else { 3468 sc->sis_type = SIS_TYPE_100NEW; 3469 sc->sc_wdcdev.UDMA_cap = 3470 sis_hostbr_type_match->udma_mode; 3471 } 3472 } 3473 } else { 3474 sc->sis_type = sis_hostbr_type_match->type; 3475 sc->sc_wdcdev.UDMA_cap = 3476 sis_hostbr_type_match->udma_mode; 3477 } 3478 aprint_normal(sis_hostbr_type_match->name); 3479 } else { 3480 aprint_normal("5597/5598"); 3481 if (rev >= 0xd0) { 3482 sc->sc_wdcdev.UDMA_cap = 2; 3483 sc->sis_type = SIS_TYPE_66; 3484 } else { 3485 sc->sc_wdcdev.UDMA_cap = 0; 3486 sc->sis_type = SIS_TYPE_NOUDMA; 3487 } 3488 } 3489 aprint_normal(" IDE controller (rev. 0x%02x)\n", 3490 PCI_REVISION(pa->pa_class)); 3491 aprint_normal("%s: bus-master DMA support present", 3492 sc->sc_wdcdev.sc_dev.dv_xname); 3493 pciide_mapreg_dma(sc, pa); 3494 aprint_normal("\n"); 3495 3496 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3497 WDC_CAPABILITY_MODE; 3498 if (sc->sc_dma_ok) { 3499 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 3500 sc->sc_wdcdev.irqack = pciide_irqack; 3501 if (sc->sis_type >= SIS_TYPE_66) 3502 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 3503 } 3504 3505 sc->sc_wdcdev.PIO_cap = 4; 3506 sc->sc_wdcdev.DMA_cap = 2; 3507 3508 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3509 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3510 switch(sc->sis_type) { 3511 case SIS_TYPE_NOUDMA: 3512 case SIS_TYPE_66: 3513 case SIS_TYPE_100OLD: 3514 sc->sc_wdcdev.set_modes = sis_setup_channel; 3515 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC, 3516 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) | 3517 SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE | SIS_MISC_GTC); 3518 break; 3519 case SIS_TYPE_100NEW: 3520 case SIS_TYPE_133OLD: 3521 sc->sc_wdcdev.set_modes = sis_setup_channel; 3522 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_49, 3523 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_49) | 0x01); 3524 break; 3525 case SIS_TYPE_133NEW: 3526 sc->sc_wdcdev.set_modes = sis96x_setup_channel; 3527 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_50, 3528 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_50) & 0xf7); 3529 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_52, 3530 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_52) & 0xf7); 3531 break; 3532 } 3533 3534 3535 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3536 cp = &sc->pciide_channels[channel]; 3537 if (pciide_chansetup(sc, channel, interface) == 0) 3538 continue; 3539 if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) || 3540 (channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) { 3541 aprint_normal("%s: %s channel ignored (disabled)\n", 3542 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3543 continue; 3544 } 3545 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3546 pciide_pci_intr); 3547 if (cp->hw_ok == 0) 3548 continue; 3549 if (pciide_chan_candisable(cp)) { 3550 if (channel == 0) 3551 sis_ctr0 &= ~SIS_CTRL0_CHAN0_EN; 3552 else 3553 sis_ctr0 &= ~SIS_CTRL0_CHAN1_EN; 3554 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_CTRL0, 3555 sis_ctr0); 3556 } 3557 pciide_map_compat_intr(pa, cp, channel, interface); 3558 if (cp->hw_ok == 0) 3559 continue; 3560 sc->sc_wdcdev.set_modes(&cp->wdc_channel); 3561 } 3562 } 3563 3564 void 3565 sis96x_setup_channel(chp) 3566 struct channel_softc *chp; 3567 { 3568 struct ata_drive_datas *drvp; 3569 int drive; 3570 u_int32_t sis_tim; 3571 u_int32_t idedma_ctl; 3572 int regtim; 3573 struct pciide_channel *cp = (struct pciide_channel*)chp; 3574 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3575 3576 sis_tim = 0; 3577 idedma_ctl = 0; 3578 /* setup DMA if needed */ 3579 pciide_channel_dma_setup(cp); 3580 3581 for (drive = 0; drive < 2; drive++) { 3582 regtim = SIS_TIM133( 3583 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_57), 3584 chp->channel, drive); 3585 drvp = &chp->ch_drive[drive]; 3586 /* If no drive, skip */ 3587 if ((drvp->drive_flags & DRIVE) == 0) 3588 continue; 3589 /* add timing values, setup DMA if needed */ 3590 if (drvp->drive_flags & DRIVE_UDMA) { 3591 /* use Ultra/DMA */ 3592 drvp->drive_flags &= ~DRIVE_DMA; 3593 if (pciide_pci_read(sc->sc_pc, sc->sc_tag, 3594 SIS96x_REG_CBL(chp->channel)) & SIS96x_REG_CBL_33) { 3595 if (drvp->UDMA_mode > 2) 3596 drvp->UDMA_mode = 2; 3597 } 3598 sis_tim |= sis_udma133new_tim[drvp->UDMA_mode]; 3599 sis_tim |= sis_pio133new_tim[drvp->PIO_mode]; 3600 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3601 } else if (drvp->drive_flags & DRIVE_DMA) { 3602 /* 3603 * use Multiword DMA 3604 * Timings will be used for both PIO and DMA, 3605 * so adjust DMA mode if needed 3606 */ 3607 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 3608 drvp->PIO_mode = drvp->DMA_mode + 2; 3609 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 3610 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 3611 drvp->PIO_mode - 2 : 0; 3612 sis_tim |= sis_dma133new_tim[drvp->DMA_mode]; 3613 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3614 } else { 3615 sis_tim |= sis_pio133new_tim[drvp->PIO_mode]; 3616 } 3617 WDCDEBUG_PRINT(("sis96x_setup_channel: new timings reg for " 3618 "channel %d drive %d: 0x%x (reg 0x%x)\n", 3619 chp->channel, drive, sis_tim, regtim), DEBUG_PROBE); 3620 pci_conf_write(sc->sc_pc, sc->sc_tag, regtim, sis_tim); 3621 } 3622 if (idedma_ctl != 0) { 3623 /* Add software bits in status register */ 3624 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3625 IDEDMA_CTL+ (IDEDMA_SCH_OFFSET * chp->channel), 3626 idedma_ctl); 3627 } 3628 pciide_print_modes(cp); 3629 } 3630 3631 void 3632 sis_setup_channel(chp) 3633 struct channel_softc *chp; 3634 { 3635 struct ata_drive_datas *drvp; 3636 int drive; 3637 u_int32_t sis_tim; 3638 u_int32_t idedma_ctl; 3639 struct pciide_channel *cp = (struct pciide_channel*)chp; 3640 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3641 3642 WDCDEBUG_PRINT(("sis_setup_channel: old timings reg for " 3643 "channel %d 0x%x\n", chp->channel, 3644 pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel))), 3645 DEBUG_PROBE); 3646 sis_tim = 0; 3647 idedma_ctl = 0; 3648 /* setup DMA if needed */ 3649 pciide_channel_dma_setup(cp); 3650 3651 for (drive = 0; drive < 2; drive++) { 3652 drvp = &chp->ch_drive[drive]; 3653 /* If no drive, skip */ 3654 if ((drvp->drive_flags & DRIVE) == 0) 3655 continue; 3656 /* add timing values, setup DMA if needed */ 3657 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 3658 (drvp->drive_flags & DRIVE_UDMA) == 0) 3659 goto pio; 3660 3661 if (drvp->drive_flags & DRIVE_UDMA) { 3662 /* use Ultra/DMA */ 3663 drvp->drive_flags &= ~DRIVE_DMA; 3664 if (pciide_pci_read(sc->sc_pc, sc->sc_tag, 3665 SIS_REG_CBL) & SIS_REG_CBL_33(chp->channel)) { 3666 if (drvp->UDMA_mode > 2) 3667 drvp->UDMA_mode = 2; 3668 } 3669 switch (sc->sis_type) { 3670 case SIS_TYPE_66: 3671 case SIS_TYPE_100OLD: 3672 sis_tim |= sis_udma66_tim[drvp->UDMA_mode] << 3673 SIS_TIM66_UDMA_TIME_OFF(drive); 3674 break; 3675 case SIS_TYPE_100NEW: 3676 sis_tim |= 3677 sis_udma100new_tim[drvp->UDMA_mode] << 3678 SIS_TIM100_UDMA_TIME_OFF(drive); 3679 case SIS_TYPE_133OLD: 3680 sis_tim |= 3681 sis_udma133old_tim[drvp->UDMA_mode] << 3682 SIS_TIM100_UDMA_TIME_OFF(drive); 3683 break; 3684 default: 3685 aprint_error("unknown SiS IDE type %d\n", 3686 sc->sis_type); 3687 } 3688 } else { 3689 /* 3690 * use Multiword DMA 3691 * Timings will be used for both PIO and DMA, 3692 * so adjust DMA mode if needed 3693 */ 3694 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 3695 drvp->PIO_mode = drvp->DMA_mode + 2; 3696 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 3697 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 3698 drvp->PIO_mode - 2 : 0; 3699 if (drvp->DMA_mode == 0) 3700 drvp->PIO_mode = 0; 3701 } 3702 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3703 pio: switch (sc->sis_type) { 3704 case SIS_TYPE_NOUDMA: 3705 case SIS_TYPE_66: 3706 case SIS_TYPE_100OLD: 3707 sis_tim |= sis_pio_act[drvp->PIO_mode] << 3708 SIS_TIM66_ACT_OFF(drive); 3709 sis_tim |= sis_pio_rec[drvp->PIO_mode] << 3710 SIS_TIM66_REC_OFF(drive); 3711 break; 3712 case SIS_TYPE_100NEW: 3713 case SIS_TYPE_133OLD: 3714 sis_tim |= sis_pio_act[drvp->PIO_mode] << 3715 SIS_TIM100_ACT_OFF(drive); 3716 sis_tim |= sis_pio_rec[drvp->PIO_mode] << 3717 SIS_TIM100_REC_OFF(drive); 3718 break; 3719 default: 3720 aprint_error("unknown SiS IDE type %d\n", 3721 sc->sis_type); 3722 } 3723 } 3724 WDCDEBUG_PRINT(("sis_setup_channel: new timings reg for " 3725 "channel %d 0x%x\n", chp->channel, sis_tim), DEBUG_PROBE); 3726 pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel), sis_tim); 3727 if (idedma_ctl != 0) { 3728 /* Add software bits in status register */ 3729 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3730 IDEDMA_CTL+ (IDEDMA_SCH_OFFSET * chp->channel), 3731 idedma_ctl); 3732 } 3733 pciide_print_modes(cp); 3734 } 3735 3736 void 3737 acer_chip_map(sc, pa) 3738 struct pciide_softc *sc; 3739 struct pci_attach_args *pa; 3740 { 3741 struct pciide_channel *cp; 3742 int channel; 3743 pcireg_t cr, interface; 3744 bus_size_t cmdsize, ctlsize; 3745 pcireg_t rev = PCI_REVISION(pa->pa_class); 3746 3747 if (pciide_chipen(sc, pa) == 0) 3748 return; 3749 aprint_normal("%s: bus-master DMA support present", 3750 sc->sc_wdcdev.sc_dev.dv_xname); 3751 pciide_mapreg_dma(sc, pa); 3752 aprint_normal("\n"); 3753 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3754 WDC_CAPABILITY_MODE; 3755 if (sc->sc_dma_ok) { 3756 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA; 3757 if (rev >= 0x20) { 3758 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 3759 if (rev >= 0xC4) 3760 sc->sc_wdcdev.UDMA_cap = 5; 3761 else if (rev >= 0xC2) 3762 sc->sc_wdcdev.UDMA_cap = 4; 3763 else 3764 sc->sc_wdcdev.UDMA_cap = 2; 3765 } 3766 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 3767 sc->sc_wdcdev.irqack = pciide_irqack; 3768 } 3769 3770 sc->sc_wdcdev.PIO_cap = 4; 3771 sc->sc_wdcdev.DMA_cap = 2; 3772 sc->sc_wdcdev.set_modes = acer_setup_channel; 3773 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3774 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3775 3776 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CDRC, 3777 (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CDRC) | 3778 ACER_CDRC_DMA_EN) & ~ACER_CDRC_FIFO_DISABLE); 3779 3780 /* Enable "microsoft register bits" R/W. */ 3781 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR3, 3782 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR3) | ACER_CCAR3_PI); 3783 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR1, 3784 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR1) & 3785 ~(ACER_CHANSTATUS_RO|PCIIDE_CHAN_RO(0)|PCIIDE_CHAN_RO(1))); 3786 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR2, 3787 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR2) & 3788 ~ACER_CHANSTATUSREGS_RO); 3789 cr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG); 3790 cr |= (PCIIDE_CHANSTATUS_EN << PCI_INTERFACE_SHIFT); 3791 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG, cr); 3792 /* Don't use cr, re-read the real register content instead */ 3793 interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, 3794 PCI_CLASS_REG)); 3795 3796 /* From linux: enable "Cable Detection" */ 3797 if (rev >= 0xC2) { 3798 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_0x4B, 3799 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x4B) 3800 | ACER_0x4B_CDETECT); 3801 } 3802 3803 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3804 cp = &sc->pciide_channels[channel]; 3805 if (pciide_chansetup(sc, channel, interface) == 0) 3806 continue; 3807 if ((interface & PCIIDE_CHAN_EN(channel)) == 0) { 3808 aprint_normal("%s: %s channel ignored (disabled)\n", 3809 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3810 continue; 3811 } 3812 /* newer controllers seems to lack the ACER_CHIDS. Sigh */ 3813 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3814 (rev >= 0xC2) ? pciide_pci_intr : acer_pci_intr); 3815 if (cp->hw_ok == 0) 3816 continue; 3817 if (pciide_chan_candisable(cp)) { 3818 cr &= ~(PCIIDE_CHAN_EN(channel) << PCI_INTERFACE_SHIFT); 3819 pci_conf_write(sc->sc_pc, sc->sc_tag, 3820 PCI_CLASS_REG, cr); 3821 } 3822 pciide_map_compat_intr(pa, cp, channel, interface); 3823 acer_setup_channel(&cp->wdc_channel); 3824 } 3825 } 3826 3827 void 3828 acer_setup_channel(chp) 3829 struct channel_softc *chp; 3830 { 3831 struct ata_drive_datas *drvp; 3832 int drive; 3833 u_int32_t acer_fifo_udma; 3834 u_int32_t idedma_ctl; 3835 struct pciide_channel *cp = (struct pciide_channel*)chp; 3836 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3837 3838 idedma_ctl = 0; 3839 acer_fifo_udma = pci_conf_read(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA); 3840 WDCDEBUG_PRINT(("acer_setup_channel: old fifo/udma reg 0x%x\n", 3841 acer_fifo_udma), DEBUG_PROBE); 3842 /* setup DMA if needed */ 3843 pciide_channel_dma_setup(cp); 3844 3845 if ((chp->ch_drive[0].drive_flags | chp->ch_drive[1].drive_flags) & 3846 DRIVE_UDMA) { /* check 80 pins cable */ 3847 if (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x4A) & 3848 ACER_0x4A_80PIN(chp->channel)) { 3849 if (chp->ch_drive[0].UDMA_mode > 2) 3850 chp->ch_drive[0].UDMA_mode = 2; 3851 if (chp->ch_drive[1].UDMA_mode > 2) 3852 chp->ch_drive[1].UDMA_mode = 2; 3853 } 3854 } 3855 3856 for (drive = 0; drive < 2; drive++) { 3857 drvp = &chp->ch_drive[drive]; 3858 /* If no drive, skip */ 3859 if ((drvp->drive_flags & DRIVE) == 0) 3860 continue; 3861 WDCDEBUG_PRINT(("acer_setup_channel: old timings reg for " 3862 "channel %d drive %d 0x%x\n", chp->channel, drive, 3863 pciide_pci_read(sc->sc_pc, sc->sc_tag, 3864 ACER_IDETIM(chp->channel, drive))), DEBUG_PROBE); 3865 /* clear FIFO/DMA mode */ 3866 acer_fifo_udma &= ~(ACER_FTH_OPL(chp->channel, drive, 0x3) | 3867 ACER_UDMA_EN(chp->channel, drive) | 3868 ACER_UDMA_TIM(chp->channel, drive, 0x7)); 3869 3870 /* add timing values, setup DMA if needed */ 3871 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 3872 (drvp->drive_flags & DRIVE_UDMA) == 0) { 3873 acer_fifo_udma |= 3874 ACER_FTH_OPL(chp->channel, drive, 0x1); 3875 goto pio; 3876 } 3877 3878 acer_fifo_udma |= ACER_FTH_OPL(chp->channel, drive, 0x2); 3879 if (drvp->drive_flags & DRIVE_UDMA) { 3880 /* use Ultra/DMA */ 3881 drvp->drive_flags &= ~DRIVE_DMA; 3882 acer_fifo_udma |= ACER_UDMA_EN(chp->channel, drive); 3883 acer_fifo_udma |= 3884 ACER_UDMA_TIM(chp->channel, drive, 3885 acer_udma[drvp->UDMA_mode]); 3886 /* XXX disable if one drive < UDMA3 ? */ 3887 if (drvp->UDMA_mode >= 3) { 3888 pciide_pci_write(sc->sc_pc, sc->sc_tag, 3889 ACER_0x4B, 3890 pciide_pci_read(sc->sc_pc, sc->sc_tag, 3891 ACER_0x4B) | ACER_0x4B_UDMA66); 3892 } 3893 } else { 3894 /* 3895 * use Multiword DMA 3896 * Timings will be used for both PIO and DMA, 3897 * so adjust DMA mode if needed 3898 */ 3899 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 3900 drvp->PIO_mode = drvp->DMA_mode + 2; 3901 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 3902 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 3903 drvp->PIO_mode - 2 : 0; 3904 if (drvp->DMA_mode == 0) 3905 drvp->PIO_mode = 0; 3906 } 3907 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3908 pio: pciide_pci_write(sc->sc_pc, sc->sc_tag, 3909 ACER_IDETIM(chp->channel, drive), 3910 acer_pio[drvp->PIO_mode]); 3911 } 3912 WDCDEBUG_PRINT(("acer_setup_channel: new fifo/udma reg 0x%x\n", 3913 acer_fifo_udma), DEBUG_PROBE); 3914 pci_conf_write(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA, acer_fifo_udma); 3915 if (idedma_ctl != 0) { 3916 /* Add software bits in status register */ 3917 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3918 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 3919 idedma_ctl); 3920 } 3921 pciide_print_modes(cp); 3922 } 3923 3924 int 3925 acer_pci_intr(arg) 3926 void *arg; 3927 { 3928 struct pciide_softc *sc = arg; 3929 struct pciide_channel *cp; 3930 struct channel_softc *wdc_cp; 3931 int i, rv, crv; 3932 u_int32_t chids; 3933 3934 rv = 0; 3935 chids = pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CHIDS); 3936 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3937 cp = &sc->pciide_channels[i]; 3938 wdc_cp = &cp->wdc_channel; 3939 /* If a compat channel skip. */ 3940 if (cp->compat) 3941 continue; 3942 if (chids & ACER_CHIDS_INT(i)) { 3943 crv = wdcintr(wdc_cp); 3944 if (crv == 0) 3945 printf("%s:%d: bogus intr\n", 3946 sc->sc_wdcdev.sc_dev.dv_xname, i); 3947 else 3948 rv = 1; 3949 } 3950 } 3951 return rv; 3952 } 3953 3954 void 3955 hpt_chip_map(sc, pa) 3956 struct pciide_softc *sc; 3957 struct pci_attach_args *pa; 3958 { 3959 struct pciide_channel *cp; 3960 int i, compatchan, revision; 3961 pcireg_t interface; 3962 bus_size_t cmdsize, ctlsize; 3963 3964 if (pciide_chipen(sc, pa) == 0) 3965 return; 3966 revision = PCI_REVISION(pa->pa_class); 3967 aprint_normal(": Triones/Highpoint "); 3968 if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) 3969 aprint_normal("HPT374 IDE Controller\n"); 3970 else if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372) 3971 aprint_normal("HPT372 IDE Controller\n"); 3972 else if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366) { 3973 if (revision == HPT372_REV) 3974 aprint_normal("HPT372 IDE Controller\n"); 3975 else if (revision == HPT370_REV) 3976 aprint_normal("HPT370 IDE Controller\n"); 3977 else if (revision == HPT370A_REV) 3978 aprint_normal("HPT370A IDE Controller\n"); 3979 else if (revision == HPT366_REV) 3980 aprint_normal("HPT366 IDE Controller\n"); 3981 else 3982 aprint_normal("unknown HPT IDE controller rev %d\n", 3983 revision); 3984 } else 3985 aprint_normal("unknown HPT IDE controller 0x%x\n", 3986 sc->sc_pp->ide_product); 3987 3988 /* 3989 * when the chip is in native mode it identifies itself as a 3990 * 'misc mass storage'. Fake interface in this case. 3991 */ 3992 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 3993 interface = PCI_INTERFACE(pa->pa_class); 3994 } else { 3995 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 3996 PCIIDE_INTERFACE_PCI(0); 3997 if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 3998 (revision == HPT370_REV || revision == HPT370A_REV || 3999 revision == HPT372_REV)) || 4000 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 || 4001 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) 4002 interface |= PCIIDE_INTERFACE_PCI(1); 4003 } 4004 4005 aprint_normal("%s: bus-master DMA support present", 4006 sc->sc_wdcdev.sc_dev.dv_xname); 4007 pciide_mapreg_dma(sc, pa); 4008 aprint_normal("\n"); 4009 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 4010 WDC_CAPABILITY_MODE; 4011 if (sc->sc_dma_ok) { 4012 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 4013 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 4014 sc->sc_wdcdev.irqack = pciide_irqack; 4015 } 4016 sc->sc_wdcdev.PIO_cap = 4; 4017 sc->sc_wdcdev.DMA_cap = 2; 4018 4019 sc->sc_wdcdev.set_modes = hpt_setup_channel; 4020 sc->sc_wdcdev.channels = sc->wdc_chanarray; 4021 if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 4022 revision == HPT366_REV) { 4023 sc->sc_wdcdev.UDMA_cap = 4; 4024 /* 4025 * The 366 has 2 PCI IDE functions, one for primary and one 4026 * for secondary. So we need to call pciide_mapregs_compat() 4027 * with the real channel 4028 */ 4029 if (pa->pa_function == 0) { 4030 compatchan = 0; 4031 } else if (pa->pa_function == 1) { 4032 compatchan = 1; 4033 } else { 4034 aprint_error("%s: unexpected PCI function %d\n", 4035 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 4036 return; 4037 } 4038 sc->sc_wdcdev.nchannels = 1; 4039 } else { 4040 sc->sc_wdcdev.nchannels = 2; 4041 if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374 || 4042 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 || 4043 (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 4044 revision == HPT372_REV)) 4045 sc->sc_wdcdev.UDMA_cap = 6; 4046 else 4047 sc->sc_wdcdev.UDMA_cap = 5; 4048 } 4049 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 4050 cp = &sc->pciide_channels[i]; 4051 if (sc->sc_wdcdev.nchannels > 1) { 4052 compatchan = i; 4053 if((pciide_pci_read(sc->sc_pc, sc->sc_tag, 4054 HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) { 4055 aprint_normal( 4056 "%s: %s channel ignored (disabled)\n", 4057 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 4058 continue; 4059 } 4060 } 4061 if (pciide_chansetup(sc, i, interface) == 0) 4062 continue; 4063 if (interface & PCIIDE_INTERFACE_PCI(i)) { 4064 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 4065 &ctlsize, hpt_pci_intr); 4066 } else { 4067 cp->hw_ok = pciide_mapregs_compat(pa, cp, compatchan, 4068 &cmdsize, &ctlsize); 4069 } 4070 if (cp->hw_ok == 0) 4071 return; 4072 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 4073 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 4074 wdcattach(&cp->wdc_channel); 4075 hpt_setup_channel(&cp->wdc_channel); 4076 } 4077 if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 4078 (revision == HPT370_REV || revision == HPT370A_REV || 4079 revision == HPT372_REV)) || 4080 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 || 4081 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) { 4082 /* 4083 * HPT370_REV and highter has a bit to disable interrupts, 4084 * make sure to clear it 4085 */ 4086 pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_CSEL, 4087 pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL) & 4088 ~HPT_CSEL_IRQDIS); 4089 } 4090 /* set clocks, etc (mandatory on 372/4, optional otherwise) */ 4091 if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 4092 revision == HPT372_REV ) || 4093 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 || 4094 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) 4095 pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_SC2, 4096 (pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_SC2) & 4097 HPT_SC2_MAEN) | HPT_SC2_OSC_EN); 4098 return; 4099 } 4100 4101 void 4102 hpt_setup_channel(chp) 4103 struct channel_softc *chp; 4104 { 4105 struct ata_drive_datas *drvp; 4106 int drive; 4107 int cable; 4108 u_int32_t before, after; 4109 u_int32_t idedma_ctl; 4110 struct pciide_channel *cp = (struct pciide_channel*)chp; 4111 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 4112 int revision = 4113 PCI_REVISION(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 4114 4115 cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL); 4116 4117 /* setup DMA if needed */ 4118 pciide_channel_dma_setup(cp); 4119 4120 idedma_ctl = 0; 4121 4122 /* Per drive settings */ 4123 for (drive = 0; drive < 2; drive++) { 4124 drvp = &chp->ch_drive[drive]; 4125 /* If no drive, skip */ 4126 if ((drvp->drive_flags & DRIVE) == 0) 4127 continue; 4128 before = pci_conf_read(sc->sc_pc, sc->sc_tag, 4129 HPT_IDETIM(chp->channel, drive)); 4130 4131 /* add timing values, setup DMA if needed */ 4132 if (drvp->drive_flags & DRIVE_UDMA) { 4133 /* use Ultra/DMA */ 4134 drvp->drive_flags &= ~DRIVE_DMA; 4135 if ((cable & HPT_CSEL_CBLID(chp->channel)) != 0 && 4136 drvp->UDMA_mode > 2) 4137 drvp->UDMA_mode = 2; 4138 switch (sc->sc_pp->ide_product) { 4139 case PCI_PRODUCT_TRIONES_HPT374: 4140 after = hpt374_udma[drvp->UDMA_mode]; 4141 break; 4142 case PCI_PRODUCT_TRIONES_HPT372: 4143 after = hpt372_udma[drvp->UDMA_mode]; 4144 break; 4145 case PCI_PRODUCT_TRIONES_HPT366: 4146 default: 4147 switch(revision) { 4148 case HPT372_REV: 4149 after = hpt372_udma[drvp->UDMA_mode]; 4150 break; 4151 case HPT370_REV: 4152 case HPT370A_REV: 4153 after = hpt370_udma[drvp->UDMA_mode]; 4154 break; 4155 case HPT366_REV: 4156 default: 4157 after = hpt366_udma[drvp->UDMA_mode]; 4158 break; 4159 } 4160 } 4161 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 4162 } else if (drvp->drive_flags & DRIVE_DMA) { 4163 /* 4164 * use Multiword DMA. 4165 * Timings will be used for both PIO and DMA, so adjust 4166 * DMA mode if needed 4167 */ 4168 if (drvp->PIO_mode >= 3 && 4169 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 4170 drvp->DMA_mode = drvp->PIO_mode - 2; 4171 } 4172 switch (sc->sc_pp->ide_product) { 4173 case PCI_PRODUCT_TRIONES_HPT374: 4174 after = hpt374_dma[drvp->DMA_mode]; 4175 break; 4176 case PCI_PRODUCT_TRIONES_HPT372: 4177 after = hpt372_dma[drvp->DMA_mode]; 4178 break; 4179 case PCI_PRODUCT_TRIONES_HPT366: 4180 default: 4181 switch(revision) { 4182 case HPT372_REV: 4183 after = hpt372_dma[drvp->DMA_mode]; 4184 break; 4185 case HPT370_REV: 4186 case HPT370A_REV: 4187 after = hpt370_dma[drvp->DMA_mode]; 4188 break; 4189 case HPT366_REV: 4190 default: 4191 after = hpt366_dma[drvp->DMA_mode]; 4192 break; 4193 } 4194 } 4195 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 4196 } else { 4197 /* PIO only */ 4198 switch (sc->sc_pp->ide_product) { 4199 case PCI_PRODUCT_TRIONES_HPT374: 4200 after = hpt374_pio[drvp->PIO_mode]; 4201 break; 4202 case PCI_PRODUCT_TRIONES_HPT372: 4203 after = hpt372_pio[drvp->PIO_mode]; 4204 break; 4205 case PCI_PRODUCT_TRIONES_HPT366: 4206 default: 4207 switch(revision) { 4208 case HPT372_REV: 4209 after = hpt372_pio[drvp->PIO_mode]; 4210 break; 4211 case HPT370_REV: 4212 case HPT370A_REV: 4213 after = hpt370_pio[drvp->PIO_mode]; 4214 break; 4215 case HPT366_REV: 4216 default: 4217 after = hpt366_pio[drvp->PIO_mode]; 4218 break; 4219 } 4220 } 4221 } 4222 pci_conf_write(sc->sc_pc, sc->sc_tag, 4223 HPT_IDETIM(chp->channel, drive), after); 4224 WDCDEBUG_PRINT(("%s: bus speed register set to 0x%08x " 4225 "(BIOS 0x%08x)\n", drvp->drv_softc->dv_xname, 4226 after, before), DEBUG_PROBE); 4227 } 4228 if (idedma_ctl != 0) { 4229 /* Add software bits in status register */ 4230 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4231 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 4232 idedma_ctl); 4233 } 4234 pciide_print_modes(cp); 4235 } 4236 4237 int 4238 hpt_pci_intr(arg) 4239 void *arg; 4240 { 4241 struct pciide_softc *sc = arg; 4242 struct pciide_channel *cp; 4243 struct channel_softc *wdc_cp; 4244 int rv = 0; 4245 int dmastat, i, crv; 4246 4247 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 4248 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4249 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 4250 if((dmastat & ( IDEDMA_CTL_ACT | IDEDMA_CTL_INTR)) != 4251 IDEDMA_CTL_INTR) 4252 continue; 4253 cp = &sc->pciide_channels[i]; 4254 wdc_cp = &cp->wdc_channel; 4255 crv = wdcintr(wdc_cp); 4256 if (crv == 0) { 4257 printf("%s:%d: bogus intr\n", 4258 sc->sc_wdcdev.sc_dev.dv_xname, i); 4259 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4260 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat); 4261 } else 4262 rv = 1; 4263 } 4264 return rv; 4265 } 4266 4267 4268 /* Macros to test product */ 4269 #define PDC_IS_262(sc) \ 4270 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA66 || \ 4271 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \ 4272 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X || \ 4273 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2 || \ 4274 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2v2 || \ 4275 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133 || \ 4276 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2 || \ 4277 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_MBULTRA133 || \ 4278 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2v2 || \ 4279 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_FASTTRAK133LITE) 4280 #define PDC_IS_265(sc) \ 4281 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \ 4282 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X || \ 4283 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2 || \ 4284 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2v2 || \ 4285 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133 || \ 4286 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2 || \ 4287 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_MBULTRA133 || \ 4288 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2v2 || \ 4289 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_FASTTRAK133LITE) 4290 #define PDC_IS_268(sc) \ 4291 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2 || \ 4292 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2v2 || \ 4293 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133 || \ 4294 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2 || \ 4295 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_MBULTRA133 || \ 4296 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2v2 || \ 4297 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_FASTTRAK133LITE) 4298 #define PDC_IS_276(sc) \ 4299 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133 || \ 4300 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2 || \ 4301 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_MBULTRA133 || \ 4302 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2v2 || \ 4303 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_FASTTRAK133LITE) 4304 4305 void 4306 pdc202xx_chip_map(sc, pa) 4307 struct pciide_softc *sc; 4308 struct pci_attach_args *pa; 4309 { 4310 struct pciide_channel *cp; 4311 int channel; 4312 pcireg_t interface, st, mode; 4313 bus_size_t cmdsize, ctlsize; 4314 4315 if (!PDC_IS_268(sc)) { 4316 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 4317 WDCDEBUG_PRINT(("pdc202xx_setup_chip: controller state 0x%x\n", 4318 st), DEBUG_PROBE); 4319 } 4320 if (pciide_chipen(sc, pa) == 0) 4321 return; 4322 4323 /* turn off RAID mode */ 4324 if (!PDC_IS_268(sc)) 4325 st &= ~PDC2xx_STATE_IDERAID; 4326 4327 /* 4328 * can't rely on the PCI_CLASS_REG content if the chip was in raid 4329 * mode. We have to fake interface 4330 */ 4331 interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1); 4332 if (PDC_IS_268(sc) || (st & PDC2xx_STATE_NATIVE)) 4333 interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 4334 4335 aprint_normal("%s: bus-master DMA support present", 4336 sc->sc_wdcdev.sc_dev.dv_xname); 4337 pciide_mapreg_dma(sc, pa); 4338 aprint_normal("\n"); 4339 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 4340 WDC_CAPABILITY_MODE; 4341 if (sc->sc_dma_ok) { 4342 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 4343 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 4344 sc->sc_wdcdev.irqack = pciide_irqack; 4345 } 4346 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && 4347 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_RAID) 4348 sc->sc_wdcdev.cap |= WDC_CAPABILITY_RAID; 4349 sc->sc_wdcdev.PIO_cap = 4; 4350 sc->sc_wdcdev.DMA_cap = 2; 4351 if (PDC_IS_276(sc)) 4352 sc->sc_wdcdev.UDMA_cap = 6; 4353 else if (PDC_IS_265(sc)) 4354 sc->sc_wdcdev.UDMA_cap = 5; 4355 else if (PDC_IS_262(sc)) 4356 sc->sc_wdcdev.UDMA_cap = 4; 4357 else 4358 sc->sc_wdcdev.UDMA_cap = 2; 4359 sc->sc_wdcdev.set_modes = PDC_IS_268(sc) ? 4360 pdc20268_setup_channel : pdc202xx_setup_channel; 4361 sc->sc_wdcdev.channels = sc->wdc_chanarray; 4362 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 4363 4364 if (sc->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA66 || 4365 sc->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || 4366 sc->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X) { 4367 sc->sc_wdcdev.dma_start = pdc20262_dma_start; 4368 sc->sc_wdcdev.dma_finish = pdc20262_dma_finish; 4369 } 4370 4371 if (!PDC_IS_268(sc)) { 4372 /* setup failsafe defaults */ 4373 mode = 0; 4374 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[0]); 4375 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[0]); 4376 mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_dma_mb[0]); 4377 mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_dma_mc[0]); 4378 for (channel = 0; 4379 channel < sc->sc_wdcdev.nchannels; 4380 channel++) { 4381 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d " 4382 "drive 0 initial timings 0x%x, now 0x%x\n", 4383 channel, pci_conf_read(sc->sc_pc, sc->sc_tag, 4384 PDC2xx_TIM(channel, 0)), mode | PDC2xx_TIM_IORDYp), 4385 DEBUG_PROBE); 4386 pci_conf_write(sc->sc_pc, sc->sc_tag, 4387 PDC2xx_TIM(channel, 0), mode | PDC2xx_TIM_IORDYp); 4388 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d " 4389 "drive 1 initial timings 0x%x, now 0x%x\n", 4390 channel, pci_conf_read(sc->sc_pc, sc->sc_tag, 4391 PDC2xx_TIM(channel, 1)), mode), DEBUG_PROBE); 4392 pci_conf_write(sc->sc_pc, sc->sc_tag, 4393 PDC2xx_TIM(channel, 1), mode); 4394 } 4395 4396 mode = PDC2xx_SCR_DMA; 4397 if (PDC_IS_265(sc)) { 4398 mode = PDC2xx_SCR_SET_GEN(mode, PDC265_SCR_GEN_LAT); 4399 } else if (PDC_IS_262(sc)) { 4400 mode = PDC2xx_SCR_SET_GEN(mode, PDC262_SCR_GEN_LAT); 4401 } else { 4402 /* the BIOS set it up this way */ 4403 mode = PDC2xx_SCR_SET_GEN(mode, 0x1); 4404 } 4405 mode = PDC2xx_SCR_SET_I2C(mode, 0x3); /* ditto */ 4406 mode = PDC2xx_SCR_SET_POLL(mode, 0x1); /* ditto */ 4407 WDCDEBUG_PRINT(("pdc202xx_setup_chip: initial SCR 0x%x, " 4408 "now 0x%x\n", 4409 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, 4410 PDC2xx_SCR), 4411 mode), DEBUG_PROBE); 4412 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 4413 PDC2xx_SCR, mode); 4414 4415 /* controller initial state register is OK even without BIOS */ 4416 /* Set DMA mode to IDE DMA compatibility */ 4417 mode = 4418 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM); 4419 WDCDEBUG_PRINT(("pdc202xx_setup_chip: primary mode 0x%x", mode), 4420 DEBUG_PROBE); 4421 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM, 4422 mode | 0x1); 4423 mode = 4424 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM); 4425 WDCDEBUG_PRINT((", secondary mode 0x%x\n", mode ), DEBUG_PROBE); 4426 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM, 4427 mode | 0x1); 4428 } 4429 4430 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 4431 cp = &sc->pciide_channels[channel]; 4432 if (pciide_chansetup(sc, channel, interface) == 0) 4433 continue; 4434 if (!PDC_IS_268(sc) && (st & (PDC_IS_262(sc) ? 4435 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel))) == 0) { 4436 aprint_normal("%s: %s channel ignored (disabled)\n", 4437 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 4438 continue; 4439 } 4440 if (PDC_IS_265(sc)) 4441 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 4442 pdc20265_pci_intr); 4443 else 4444 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 4445 pdc202xx_pci_intr); 4446 if (cp->hw_ok == 0) 4447 continue; 4448 if (!PDC_IS_268(sc) && pciide_chan_candisable(cp)) 4449 st &= ~(PDC_IS_262(sc) ? 4450 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel)); 4451 pciide_map_compat_intr(pa, cp, channel, interface); 4452 sc->sc_wdcdev.set_modes(&cp->wdc_channel); 4453 } 4454 if (!PDC_IS_268(sc)) { 4455 WDCDEBUG_PRINT(("pdc202xx_setup_chip: new controller state " 4456 "0x%x\n", st), DEBUG_PROBE); 4457 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_STATE, st); 4458 } 4459 return; 4460 } 4461 4462 void 4463 pdc202xx_setup_channel(chp) 4464 struct channel_softc *chp; 4465 { 4466 struct ata_drive_datas *drvp; 4467 int drive; 4468 pcireg_t mode, st; 4469 u_int32_t idedma_ctl, scr, atapi; 4470 struct pciide_channel *cp = (struct pciide_channel*)chp; 4471 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 4472 int channel = chp->channel; 4473 4474 /* setup DMA if needed */ 4475 pciide_channel_dma_setup(cp); 4476 4477 idedma_ctl = 0; 4478 WDCDEBUG_PRINT(("pdc202xx_setup_channel %s: scr 0x%x\n", 4479 sc->sc_wdcdev.sc_dev.dv_xname, 4480 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_U66)), 4481 DEBUG_PROBE); 4482 4483 /* Per channel settings */ 4484 if (PDC_IS_262(sc)) { 4485 scr = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4486 PDC262_U66); 4487 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 4488 /* Trim UDMA mode */ 4489 if ((st & PDC262_STATE_80P(channel)) != 0 || 4490 (chp->ch_drive[0].drive_flags & DRIVE_UDMA && 4491 chp->ch_drive[0].UDMA_mode <= 2) || 4492 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 4493 chp->ch_drive[1].UDMA_mode <= 2)) { 4494 if (chp->ch_drive[0].UDMA_mode > 2) 4495 chp->ch_drive[0].UDMA_mode = 2; 4496 if (chp->ch_drive[1].UDMA_mode > 2) 4497 chp->ch_drive[1].UDMA_mode = 2; 4498 } 4499 /* Set U66 if needed */ 4500 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA && 4501 chp->ch_drive[0].UDMA_mode > 2) || 4502 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 4503 chp->ch_drive[1].UDMA_mode > 2)) 4504 scr |= PDC262_U66_EN(channel); 4505 else 4506 scr &= ~PDC262_U66_EN(channel); 4507 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4508 PDC262_U66, scr); 4509 WDCDEBUG_PRINT(("pdc202xx_setup_channel %s:%d: ATAPI 0x%x\n", 4510 sc->sc_wdcdev.sc_dev.dv_xname, channel, 4511 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, 4512 PDC262_ATAPI(channel))), DEBUG_PROBE); 4513 if (chp->ch_drive[0].drive_flags & DRIVE_ATAPI || 4514 chp->ch_drive[1].drive_flags & DRIVE_ATAPI) { 4515 if (((chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 4516 !(chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 4517 (chp->ch_drive[1].drive_flags & DRIVE_DMA)) || 4518 ((chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 4519 !(chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 4520 (chp->ch_drive[0].drive_flags & DRIVE_DMA))) 4521 atapi = 0; 4522 else 4523 atapi = PDC262_ATAPI_UDMA; 4524 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 4525 PDC262_ATAPI(channel), atapi); 4526 } 4527 } 4528 for (drive = 0; drive < 2; drive++) { 4529 drvp = &chp->ch_drive[drive]; 4530 /* If no drive, skip */ 4531 if ((drvp->drive_flags & DRIVE) == 0) 4532 continue; 4533 mode = 0; 4534 if (drvp->drive_flags & DRIVE_UDMA) { 4535 /* use Ultra/DMA */ 4536 drvp->drive_flags &= ~DRIVE_DMA; 4537 mode = PDC2xx_TIM_SET_MB(mode, 4538 pdc2xx_udma_mb[drvp->UDMA_mode]); 4539 mode = PDC2xx_TIM_SET_MC(mode, 4540 pdc2xx_udma_mc[drvp->UDMA_mode]); 4541 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 4542 } else if (drvp->drive_flags & DRIVE_DMA) { 4543 mode = PDC2xx_TIM_SET_MB(mode, 4544 pdc2xx_dma_mb[drvp->DMA_mode]); 4545 mode = PDC2xx_TIM_SET_MC(mode, 4546 pdc2xx_dma_mc[drvp->DMA_mode]); 4547 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 4548 } else { 4549 mode = PDC2xx_TIM_SET_MB(mode, 4550 pdc2xx_dma_mb[0]); 4551 mode = PDC2xx_TIM_SET_MC(mode, 4552 pdc2xx_dma_mc[0]); 4553 } 4554 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[drvp->PIO_mode]); 4555 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[drvp->PIO_mode]); 4556 if (drvp->drive_flags & DRIVE_ATA) 4557 mode |= PDC2xx_TIM_PRE; 4558 mode |= PDC2xx_TIM_SYNC | PDC2xx_TIM_ERRDY; 4559 if (drvp->PIO_mode >= 3) { 4560 mode |= PDC2xx_TIM_IORDY; 4561 if (drive == 0) 4562 mode |= PDC2xx_TIM_IORDYp; 4563 } 4564 WDCDEBUG_PRINT(("pdc202xx_setup_channel: %s:%d:%d " 4565 "timings 0x%x\n", 4566 sc->sc_wdcdev.sc_dev.dv_xname, 4567 chp->channel, drive, mode), DEBUG_PROBE); 4568 pci_conf_write(sc->sc_pc, sc->sc_tag, 4569 PDC2xx_TIM(chp->channel, drive), mode); 4570 } 4571 if (idedma_ctl != 0) { 4572 /* Add software bits in status register */ 4573 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4574 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 4575 idedma_ctl); 4576 } 4577 pciide_print_modes(cp); 4578 } 4579 4580 void 4581 pdc20268_setup_channel(chp) 4582 struct channel_softc *chp; 4583 { 4584 struct ata_drive_datas *drvp; 4585 int drive; 4586 u_int32_t idedma_ctl; 4587 struct pciide_channel *cp = (struct pciide_channel*)chp; 4588 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 4589 int u100; 4590 4591 /* setup DMA if needed */ 4592 pciide_channel_dma_setup(cp); 4593 4594 idedma_ctl = 0; 4595 4596 /* I don't know what this is for, FreeBSD does it ... */ 4597 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4598 IDEDMA_CMD + 0x1, 0x0b); 4599 4600 /* 4601 * I don't know what this is for; FreeBSD checks this ... this is not 4602 * cable type detect. 4603 */ 4604 u100 = (bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4605 IDEDMA_CMD + 0x3) & 0x04) ? 0 : 1; 4606 4607 for (drive = 0; drive < 2; drive++) { 4608 drvp = &chp->ch_drive[drive]; 4609 /* If no drive, skip */ 4610 if ((drvp->drive_flags & DRIVE) == 0) 4611 continue; 4612 if (drvp->drive_flags & DRIVE_UDMA) { 4613 /* use Ultra/DMA */ 4614 drvp->drive_flags &= ~DRIVE_DMA; 4615 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 4616 if (drvp->UDMA_mode > 2 && u100 == 0) 4617 drvp->UDMA_mode = 2; 4618 } else if (drvp->drive_flags & DRIVE_DMA) { 4619 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 4620 } 4621 } 4622 /* nothing to do to setup modes, the controller snoop SET_FEATURE cmd */ 4623 if (idedma_ctl != 0) { 4624 /* Add software bits in status register */ 4625 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4626 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 4627 idedma_ctl); 4628 } 4629 pciide_print_modes(cp); 4630 } 4631 4632 int 4633 pdc202xx_pci_intr(arg) 4634 void *arg; 4635 { 4636 struct pciide_softc *sc = arg; 4637 struct pciide_channel *cp; 4638 struct channel_softc *wdc_cp; 4639 int i, rv, crv; 4640 u_int32_t scr; 4641 4642 rv = 0; 4643 scr = bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR); 4644 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 4645 cp = &sc->pciide_channels[i]; 4646 wdc_cp = &cp->wdc_channel; 4647 /* If a compat channel skip. */ 4648 if (cp->compat) 4649 continue; 4650 if (scr & PDC2xx_SCR_INT(i)) { 4651 crv = wdcintr(wdc_cp); 4652 if (crv == 0) 4653 printf("%s:%d: bogus intr (reg 0x%x)\n", 4654 sc->sc_wdcdev.sc_dev.dv_xname, i, scr); 4655 else 4656 rv = 1; 4657 } 4658 } 4659 return rv; 4660 } 4661 4662 int 4663 pdc20265_pci_intr(arg) 4664 void *arg; 4665 { 4666 struct pciide_softc *sc = arg; 4667 struct pciide_channel *cp; 4668 struct channel_softc *wdc_cp; 4669 int i, rv, crv; 4670 u_int32_t dmastat; 4671 4672 rv = 0; 4673 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 4674 cp = &sc->pciide_channels[i]; 4675 wdc_cp = &cp->wdc_channel; 4676 /* If a compat channel skip. */ 4677 if (cp->compat) 4678 continue; 4679 /* 4680 * The Ultra/100 seems to assert PDC2xx_SCR_INT * spuriously, 4681 * however it asserts INT in IDEDMA_CTL even for non-DMA ops. 4682 * So use it instead (requires 2 reg reads instead of 1, 4683 * but we can't do it another way). 4684 */ 4685 dmastat = bus_space_read_1(sc->sc_dma_iot, 4686 sc->sc_dma_ioh, IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 4687 if((dmastat & IDEDMA_CTL_INTR) == 0) 4688 continue; 4689 crv = wdcintr(wdc_cp); 4690 if (crv == 0) 4691 printf("%s:%d: bogus intr\n", 4692 sc->sc_wdcdev.sc_dev.dv_xname, i); 4693 else 4694 rv = 1; 4695 } 4696 return rv; 4697 } 4698 4699 static void 4700 pdc20262_dma_start(v, channel, drive) 4701 void *v; 4702 int channel, drive; 4703 { 4704 struct pciide_softc *sc = v; 4705 struct pciide_dma_maps *dma_maps = 4706 &sc->pciide_channels[channel].dma_maps[drive]; 4707 int atapi; 4708 4709 if (dma_maps->dma_flags & WDC_DMA_LBA48) { 4710 atapi = (dma_maps->dma_flags & WDC_DMA_READ) ? 4711 PDC262_ATAPI_LBA48_READ : PDC262_ATAPI_LBA48_WRITE; 4712 atapi |= dma_maps->dmamap_xfer->dm_mapsize >> 1; 4713 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 4714 PDC262_ATAPI(channel), atapi); 4715 } 4716 4717 pciide_dma_start(v, channel, drive); 4718 } 4719 4720 int 4721 pdc20262_dma_finish(v, channel, drive, force) 4722 void *v; 4723 int channel, drive; 4724 int force; 4725 { 4726 struct pciide_softc *sc = v; 4727 struct pciide_dma_maps *dma_maps = 4728 &sc->pciide_channels[channel].dma_maps[drive]; 4729 struct channel_softc *chp; 4730 int atapi, error; 4731 4732 error = pciide_dma_finish(v, channel, drive, force); 4733 4734 if (dma_maps->dma_flags & WDC_DMA_LBA48) { 4735 chp = sc->wdc_chanarray[channel]; 4736 atapi = 0; 4737 if (chp->ch_drive[0].drive_flags & DRIVE_ATAPI || 4738 chp->ch_drive[1].drive_flags & DRIVE_ATAPI) { 4739 if ((!(chp->ch_drive[0].drive_flags & DRIVE_UDMA) || 4740 (chp->ch_drive[1].drive_flags & DRIVE_UDMA) || 4741 !(chp->ch_drive[1].drive_flags & DRIVE_DMA)) && 4742 (!(chp->ch_drive[1].drive_flags & DRIVE_UDMA) || 4743 (chp->ch_drive[0].drive_flags & DRIVE_UDMA) || 4744 !(chp->ch_drive[0].drive_flags & DRIVE_DMA))) 4745 atapi = PDC262_ATAPI_UDMA; 4746 } 4747 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 4748 PDC262_ATAPI(channel), atapi); 4749 } 4750 4751 return error; 4752 } 4753 4754 void 4755 opti_chip_map(sc, pa) 4756 struct pciide_softc *sc; 4757 struct pci_attach_args *pa; 4758 { 4759 struct pciide_channel *cp; 4760 bus_size_t cmdsize, ctlsize; 4761 pcireg_t interface; 4762 u_int8_t init_ctrl; 4763 int channel; 4764 4765 if (pciide_chipen(sc, pa) == 0) 4766 return; 4767 aprint_normal("%s: bus-master DMA support present", 4768 sc->sc_wdcdev.sc_dev.dv_xname); 4769 4770 /* 4771 * XXXSCW: 4772 * There seem to be a couple of buggy revisions/implementations 4773 * of the OPTi pciide chipset. This kludge seems to fix one of 4774 * the reported problems (PR/11644) but still fails for the 4775 * other (PR/13151), although the latter may be due to other 4776 * issues too... 4777 */ 4778 if (PCI_REVISION(pa->pa_class) <= 0x12) { 4779 aprint_normal(" but disabled due to chip rev. <= 0x12"); 4780 sc->sc_dma_ok = 0; 4781 } else 4782 pciide_mapreg_dma(sc, pa); 4783 4784 aprint_normal("\n"); 4785 4786 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_DATA16 | 4787 WDC_CAPABILITY_MODE; 4788 sc->sc_wdcdev.PIO_cap = 4; 4789 if (sc->sc_dma_ok) { 4790 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 4791 sc->sc_wdcdev.irqack = pciide_irqack; 4792 sc->sc_wdcdev.DMA_cap = 2; 4793 } 4794 sc->sc_wdcdev.set_modes = opti_setup_channel; 4795 4796 sc->sc_wdcdev.channels = sc->wdc_chanarray; 4797 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 4798 4799 init_ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, 4800 OPTI_REG_INIT_CONTROL); 4801 4802 interface = PCI_INTERFACE(pa->pa_class); 4803 4804 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 4805 cp = &sc->pciide_channels[channel]; 4806 if (pciide_chansetup(sc, channel, interface) == 0) 4807 continue; 4808 if (channel == 1 && 4809 (init_ctrl & OPTI_INIT_CONTROL_CH2_DISABLE) != 0) { 4810 aprint_normal("%s: %s channel ignored (disabled)\n", 4811 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 4812 continue; 4813 } 4814 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 4815 pciide_pci_intr); 4816 if (cp->hw_ok == 0) 4817 continue; 4818 pciide_map_compat_intr(pa, cp, channel, interface); 4819 if (cp->hw_ok == 0) 4820 continue; 4821 opti_setup_channel(&cp->wdc_channel); 4822 } 4823 } 4824 4825 void 4826 opti_setup_channel(chp) 4827 struct channel_softc *chp; 4828 { 4829 struct ata_drive_datas *drvp; 4830 struct pciide_channel *cp = (struct pciide_channel*)chp; 4831 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 4832 int drive, spd; 4833 int mode[2]; 4834 u_int8_t rv, mr; 4835 4836 /* 4837 * The `Delay' and `Address Setup Time' fields of the 4838 * Miscellaneous Register are always zero initially. 4839 */ 4840 mr = opti_read_config(chp, OPTI_REG_MISC) & ~OPTI_MISC_INDEX_MASK; 4841 mr &= ~(OPTI_MISC_DELAY_MASK | 4842 OPTI_MISC_ADDR_SETUP_MASK | 4843 OPTI_MISC_INDEX_MASK); 4844 4845 /* Prime the control register before setting timing values */ 4846 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_DISABLE); 4847 4848 /* Determine the clockrate of the PCIbus the chip is attached to */ 4849 spd = (int) opti_read_config(chp, OPTI_REG_STRAP); 4850 spd &= OPTI_STRAP_PCI_SPEED_MASK; 4851 4852 /* setup DMA if needed */ 4853 pciide_channel_dma_setup(cp); 4854 4855 for (drive = 0; drive < 2; drive++) { 4856 drvp = &chp->ch_drive[drive]; 4857 /* If no drive, skip */ 4858 if ((drvp->drive_flags & DRIVE) == 0) { 4859 mode[drive] = -1; 4860 continue; 4861 } 4862 4863 if ((drvp->drive_flags & DRIVE_DMA)) { 4864 /* 4865 * Timings will be used for both PIO and DMA, 4866 * so adjust DMA mode if needed 4867 */ 4868 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 4869 drvp->PIO_mode = drvp->DMA_mode + 2; 4870 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 4871 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 4872 drvp->PIO_mode - 2 : 0; 4873 if (drvp->DMA_mode == 0) 4874 drvp->PIO_mode = 0; 4875 4876 mode[drive] = drvp->DMA_mode + 5; 4877 } else 4878 mode[drive] = drvp->PIO_mode; 4879 4880 if (drive && mode[0] >= 0 && 4881 (opti_tim_as[spd][mode[0]] != opti_tim_as[spd][mode[1]])) { 4882 /* 4883 * Can't have two drives using different values 4884 * for `Address Setup Time'. 4885 * Slow down the faster drive to compensate. 4886 */ 4887 int d = (opti_tim_as[spd][mode[0]] > 4888 opti_tim_as[spd][mode[1]]) ? 0 : 1; 4889 4890 mode[d] = mode[1-d]; 4891 chp->ch_drive[d].PIO_mode = chp->ch_drive[1-d].PIO_mode; 4892 chp->ch_drive[d].DMA_mode = 0; 4893 chp->ch_drive[d].drive_flags &= ~DRIVE_DMA; 4894 } 4895 } 4896 4897 for (drive = 0; drive < 2; drive++) { 4898 int m; 4899 if ((m = mode[drive]) < 0) 4900 continue; 4901 4902 /* Set the Address Setup Time and select appropriate index */ 4903 rv = opti_tim_as[spd][m] << OPTI_MISC_ADDR_SETUP_SHIFT; 4904 rv |= OPTI_MISC_INDEX(drive); 4905 opti_write_config(chp, OPTI_REG_MISC, mr | rv); 4906 4907 /* Set the pulse width and recovery timing parameters */ 4908 rv = opti_tim_cp[spd][m] << OPTI_PULSE_WIDTH_SHIFT; 4909 rv |= opti_tim_rt[spd][m] << OPTI_RECOVERY_TIME_SHIFT; 4910 opti_write_config(chp, OPTI_REG_READ_CYCLE_TIMING, rv); 4911 opti_write_config(chp, OPTI_REG_WRITE_CYCLE_TIMING, rv); 4912 4913 /* Set the Enhanced Mode register appropriately */ 4914 rv = pciide_pci_read(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE); 4915 rv &= ~OPTI_ENH_MODE_MASK(chp->channel, drive); 4916 rv |= OPTI_ENH_MODE(chp->channel, drive, opti_tim_em[m]); 4917 pciide_pci_write(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE, rv); 4918 } 4919 4920 /* Finally, enable the timings */ 4921 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_ENABLE); 4922 4923 pciide_print_modes(cp); 4924 } 4925 4926 #define ACARD_IS_850(sc) \ 4927 ((sc)->sc_pp->ide_product == PCI_PRODUCT_ACARD_ATP850U) 4928 4929 void 4930 acard_chip_map(sc, pa) 4931 struct pciide_softc *sc; 4932 struct pci_attach_args *pa; 4933 { 4934 struct pciide_channel *cp; 4935 int i; 4936 pcireg_t interface; 4937 bus_size_t cmdsize, ctlsize; 4938 4939 if (pciide_chipen(sc, pa) == 0) 4940 return; 4941 4942 /* 4943 * when the chip is in native mode it identifies itself as a 4944 * 'misc mass storage'. Fake interface in this case. 4945 */ 4946 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 4947 interface = PCI_INTERFACE(pa->pa_class); 4948 } else { 4949 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 4950 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 4951 } 4952 4953 aprint_normal("%s: bus-master DMA support present", 4954 sc->sc_wdcdev.sc_dev.dv_xname); 4955 pciide_mapreg_dma(sc, pa); 4956 aprint_normal("\n"); 4957 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 4958 WDC_CAPABILITY_MODE; 4959 4960 if (sc->sc_dma_ok) { 4961 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 4962 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 4963 sc->sc_wdcdev.irqack = pciide_irqack; 4964 } 4965 sc->sc_wdcdev.PIO_cap = 4; 4966 sc->sc_wdcdev.DMA_cap = 2; 4967 sc->sc_wdcdev.UDMA_cap = ACARD_IS_850(sc) ? 2 : 4; 4968 4969 sc->sc_wdcdev.set_modes = acard_setup_channel; 4970 sc->sc_wdcdev.channels = sc->wdc_chanarray; 4971 sc->sc_wdcdev.nchannels = 2; 4972 4973 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 4974 cp = &sc->pciide_channels[i]; 4975 if (pciide_chansetup(sc, i, interface) == 0) 4976 continue; 4977 if (interface & PCIIDE_INTERFACE_PCI(i)) { 4978 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 4979 &ctlsize, pciide_pci_intr); 4980 } else { 4981 cp->hw_ok = pciide_mapregs_compat(pa, cp, i, 4982 &cmdsize, &ctlsize); 4983 } 4984 if (cp->hw_ok == 0) 4985 return; 4986 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 4987 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 4988 wdcattach(&cp->wdc_channel); 4989 acard_setup_channel(&cp->wdc_channel); 4990 } 4991 if (!ACARD_IS_850(sc)) { 4992 u_int32_t reg; 4993 reg = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL); 4994 reg &= ~ATP860_CTRL_INT; 4995 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, reg); 4996 } 4997 } 4998 4999 void 5000 acard_setup_channel(chp) 5001 struct channel_softc *chp; 5002 { 5003 struct ata_drive_datas *drvp; 5004 struct pciide_channel *cp = (struct pciide_channel*)chp; 5005 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 5006 int channel = chp->channel; 5007 int drive; 5008 u_int32_t idetime, udma_mode; 5009 u_int32_t idedma_ctl; 5010 5011 /* setup DMA if needed */ 5012 pciide_channel_dma_setup(cp); 5013 5014 if (ACARD_IS_850(sc)) { 5015 idetime = 0; 5016 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP850_UDMA); 5017 udma_mode &= ~ATP850_UDMA_MASK(channel); 5018 } else { 5019 idetime = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_IDETIME); 5020 idetime &= ~ATP860_SETTIME_MASK(channel); 5021 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_UDMA); 5022 udma_mode &= ~ATP860_UDMA_MASK(channel); 5023 5024 /* check 80 pins cable */ 5025 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA) || 5026 (chp->ch_drive[1].drive_flags & DRIVE_UDMA)) { 5027 if (pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL) 5028 & ATP860_CTRL_80P(chp->channel)) { 5029 if (chp->ch_drive[0].UDMA_mode > 2) 5030 chp->ch_drive[0].UDMA_mode = 2; 5031 if (chp->ch_drive[1].UDMA_mode > 2) 5032 chp->ch_drive[1].UDMA_mode = 2; 5033 } 5034 } 5035 } 5036 5037 idedma_ctl = 0; 5038 5039 /* Per drive settings */ 5040 for (drive = 0; drive < 2; drive++) { 5041 drvp = &chp->ch_drive[drive]; 5042 /* If no drive, skip */ 5043 if ((drvp->drive_flags & DRIVE) == 0) 5044 continue; 5045 /* add timing values, setup DMA if needed */ 5046 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 5047 (drvp->drive_flags & DRIVE_UDMA)) { 5048 /* use Ultra/DMA */ 5049 if (ACARD_IS_850(sc)) { 5050 idetime |= ATP850_SETTIME(drive, 5051 acard_act_udma[drvp->UDMA_mode], 5052 acard_rec_udma[drvp->UDMA_mode]); 5053 udma_mode |= ATP850_UDMA_MODE(channel, drive, 5054 acard_udma_conf[drvp->UDMA_mode]); 5055 } else { 5056 idetime |= ATP860_SETTIME(channel, drive, 5057 acard_act_udma[drvp->UDMA_mode], 5058 acard_rec_udma[drvp->UDMA_mode]); 5059 udma_mode |= ATP860_UDMA_MODE(channel, drive, 5060 acard_udma_conf[drvp->UDMA_mode]); 5061 } 5062 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 5063 } else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) && 5064 (drvp->drive_flags & DRIVE_DMA)) { 5065 /* use Multiword DMA */ 5066 drvp->drive_flags &= ~DRIVE_UDMA; 5067 if (ACARD_IS_850(sc)) { 5068 idetime |= ATP850_SETTIME(drive, 5069 acard_act_dma[drvp->DMA_mode], 5070 acard_rec_dma[drvp->DMA_mode]); 5071 } else { 5072 idetime |= ATP860_SETTIME(channel, drive, 5073 acard_act_dma[drvp->DMA_mode], 5074 acard_rec_dma[drvp->DMA_mode]); 5075 } 5076 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 5077 } else { 5078 /* PIO only */ 5079 drvp->drive_flags &= ~(DRIVE_UDMA | DRIVE_DMA); 5080 if (ACARD_IS_850(sc)) { 5081 idetime |= ATP850_SETTIME(drive, 5082 acard_act_pio[drvp->PIO_mode], 5083 acard_rec_pio[drvp->PIO_mode]); 5084 } else { 5085 idetime |= ATP860_SETTIME(channel, drive, 5086 acard_act_pio[drvp->PIO_mode], 5087 acard_rec_pio[drvp->PIO_mode]); 5088 } 5089 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, 5090 pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL) 5091 | ATP8x0_CTRL_EN(channel)); 5092 } 5093 } 5094 5095 if (idedma_ctl != 0) { 5096 /* Add software bits in status register */ 5097 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 5098 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, idedma_ctl); 5099 } 5100 pciide_print_modes(cp); 5101 5102 if (ACARD_IS_850(sc)) { 5103 pci_conf_write(sc->sc_pc, sc->sc_tag, 5104 ATP850_IDETIME(channel), idetime); 5105 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP850_UDMA, udma_mode); 5106 } else { 5107 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_IDETIME, idetime); 5108 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_UDMA, udma_mode); 5109 } 5110 } 5111 5112 int 5113 acard_pci_intr(arg) 5114 void *arg; 5115 { 5116 struct pciide_softc *sc = arg; 5117 struct pciide_channel *cp; 5118 struct channel_softc *wdc_cp; 5119 int rv = 0; 5120 int dmastat, i, crv; 5121 5122 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 5123 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 5124 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 5125 if ((dmastat & IDEDMA_CTL_INTR) == 0) 5126 continue; 5127 cp = &sc->pciide_channels[i]; 5128 wdc_cp = &cp->wdc_channel; 5129 if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) { 5130 (void)wdcintr(wdc_cp); 5131 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 5132 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat); 5133 continue; 5134 } 5135 crv = wdcintr(wdc_cp); 5136 if (crv == 0) 5137 printf("%s:%d: bogus intr\n", 5138 sc->sc_wdcdev.sc_dev.dv_xname, i); 5139 else if (crv == 1) 5140 rv = 1; 5141 else if (rv == 0) 5142 rv = crv; 5143 } 5144 return rv; 5145 } 5146 5147 static int 5148 sl82c105_bugchk(struct pci_attach_args *pa) 5149 { 5150 5151 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_WINBOND || 5152 PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_WINBOND_W83C553F_0) 5153 return (0); 5154 5155 if (PCI_REVISION(pa->pa_class) <= 0x05) 5156 return (1); 5157 5158 return (0); 5159 } 5160 5161 void 5162 sl82c105_chip_map(sc, pa) 5163 struct pciide_softc *sc; 5164 struct pci_attach_args *pa; 5165 { 5166 struct pciide_channel *cp; 5167 bus_size_t cmdsize, ctlsize; 5168 pcireg_t interface, idecr; 5169 int channel; 5170 5171 if (pciide_chipen(sc, pa) == 0) 5172 return; 5173 5174 aprint_normal("%s: bus-master DMA support present", 5175 sc->sc_wdcdev.sc_dev.dv_xname); 5176 5177 /* 5178 * Check to see if we're part of the Winbond 83c553 Southbridge. 5179 * If so, we need to disable DMA on rev. <= 5 of that chip. 5180 */ 5181 if (pci_find_device(pa, sl82c105_bugchk)) { 5182 aprint_normal(" but disabled due to 83c553 rev. <= 0x05"); 5183 sc->sc_dma_ok = 0; 5184 } else 5185 pciide_mapreg_dma(sc, pa); 5186 aprint_normal("\n"); 5187 5188 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_DATA16 | 5189 WDC_CAPABILITY_MODE; 5190 sc->sc_wdcdev.PIO_cap = 4; 5191 if (sc->sc_dma_ok) { 5192 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 5193 sc->sc_wdcdev.irqack = pciide_irqack; 5194 sc->sc_wdcdev.DMA_cap = 2; 5195 } 5196 sc->sc_wdcdev.set_modes = sl82c105_setup_channel; 5197 5198 sc->sc_wdcdev.channels = sc->wdc_chanarray; 5199 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 5200 5201 idecr = pci_conf_read(sc->sc_pc, sc->sc_tag, SYMPH_IDECSR); 5202 5203 interface = PCI_INTERFACE(pa->pa_class); 5204 5205 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 5206 cp = &sc->pciide_channels[channel]; 5207 if (pciide_chansetup(sc, channel, interface) == 0) 5208 continue; 5209 if ((channel == 0 && (idecr & IDECR_P0EN) == 0) || 5210 (channel == 1 && (idecr & IDECR_P1EN) == 0)) { 5211 aprint_normal("%s: %s channel ignored (disabled)\n", 5212 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 5213 continue; 5214 } 5215 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 5216 pciide_pci_intr); 5217 if (cp->hw_ok == 0) 5218 continue; 5219 pciide_map_compat_intr(pa, cp, channel, interface); 5220 if (cp->hw_ok == 0) 5221 continue; 5222 sl82c105_setup_channel(&cp->wdc_channel); 5223 } 5224 } 5225 5226 void 5227 sl82c105_setup_channel(chp) 5228 struct channel_softc *chp; 5229 { 5230 struct ata_drive_datas *drvp; 5231 struct pciide_channel *cp = (struct pciide_channel*)chp; 5232 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 5233 int pxdx_reg, drive; 5234 pcireg_t pxdx; 5235 5236 /* Set up DMA if needed. */ 5237 pciide_channel_dma_setup(cp); 5238 5239 for (drive = 0; drive < 2; drive++) { 5240 pxdx_reg = ((chp->channel == 0) ? SYMPH_P0D0CR 5241 : SYMPH_P1D0CR) + (drive * 4); 5242 5243 pxdx = pci_conf_read(sc->sc_pc, sc->sc_tag, pxdx_reg); 5244 5245 pxdx &= ~(PxDx_CMD_ON_MASK|PxDx_CMD_OFF_MASK); 5246 pxdx &= ~(PxDx_PWEN|PxDx_RDYEN|PxDx_RAEN); 5247 5248 drvp = &chp->ch_drive[drive]; 5249 /* If no drive, skip. */ 5250 if ((drvp->drive_flags & DRIVE) == 0) { 5251 pci_conf_write(sc->sc_pc, sc->sc_tag, pxdx_reg, pxdx); 5252 continue; 5253 } 5254 5255 if (drvp->drive_flags & DRIVE_DMA) { 5256 /* 5257 * Timings will be used for both PIO and DMA, 5258 * so adjust DMA mode if needed. 5259 */ 5260 if (drvp->PIO_mode >= 3) { 5261 if ((drvp->DMA_mode + 2) > drvp->PIO_mode) 5262 drvp->DMA_mode = drvp->PIO_mode - 2; 5263 if (drvp->DMA_mode < 1) { 5264 /* 5265 * Can't mix both PIO and DMA. 5266 * Disable DMA. 5267 */ 5268 drvp->drive_flags &= ~DRIVE_DMA; 5269 } 5270 } else { 5271 /* 5272 * Can't mix both PIO and DMA. Disable 5273 * DMA. 5274 */ 5275 drvp->drive_flags &= ~DRIVE_DMA; 5276 } 5277 } 5278 5279 if (drvp->drive_flags & DRIVE_DMA) { 5280 /* Use multi-word DMA. */ 5281 pxdx |= symph_mw_dma_times[drvp->DMA_mode].cmd_on << 5282 PxDx_CMD_ON_SHIFT; 5283 pxdx |= symph_mw_dma_times[drvp->DMA_mode].cmd_off; 5284 } else { 5285 pxdx |= symph_pio_times[drvp->PIO_mode].cmd_on << 5286 PxDx_CMD_ON_SHIFT; 5287 pxdx |= symph_pio_times[drvp->PIO_mode].cmd_off; 5288 } 5289 5290 /* XXX PxDx_PWEN? PxDx_RDYEN? PxDx_RAEN? */ 5291 5292 /* ...and set the mode for this drive. */ 5293 pci_conf_write(sc->sc_pc, sc->sc_tag, pxdx_reg, pxdx); 5294 } 5295 5296 pciide_print_modes(cp); 5297 } 5298 5299 void 5300 serverworks_chip_map(sc, pa) 5301 struct pciide_softc *sc; 5302 struct pci_attach_args *pa; 5303 { 5304 struct pciide_channel *cp; 5305 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 5306 pcitag_t pcib_tag; 5307 int channel; 5308 bus_size_t cmdsize, ctlsize; 5309 5310 if (pciide_chipen(sc, pa) == 0) 5311 return; 5312 5313 aprint_normal("%s: bus-master DMA support present", 5314 sc->sc_wdcdev.sc_dev.dv_xname); 5315 pciide_mapreg_dma(sc, pa); 5316 aprint_normal("\n"); 5317 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 5318 WDC_CAPABILITY_MODE; 5319 5320 if (sc->sc_dma_ok) { 5321 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 5322 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 5323 sc->sc_wdcdev.irqack = pciide_irqack; 5324 } 5325 sc->sc_wdcdev.PIO_cap = 4; 5326 sc->sc_wdcdev.DMA_cap = 2; 5327 switch (sc->sc_pp->ide_product) { 5328 case PCI_PRODUCT_SERVERWORKS_OSB4_IDE: 5329 sc->sc_wdcdev.UDMA_cap = 2; 5330 break; 5331 case PCI_PRODUCT_SERVERWORKS_CSB5_IDE: 5332 if (PCI_REVISION(pa->pa_class) < 0x92) 5333 sc->sc_wdcdev.UDMA_cap = 4; 5334 else 5335 sc->sc_wdcdev.UDMA_cap = 5; 5336 break; 5337 case PCI_PRODUCT_SERVERWORKS_CSB6_IDE: 5338 sc->sc_wdcdev.UDMA_cap = 5; 5339 break; 5340 } 5341 5342 sc->sc_wdcdev.set_modes = serverworks_setup_channel; 5343 sc->sc_wdcdev.channels = sc->wdc_chanarray; 5344 sc->sc_wdcdev.nchannels = 2; 5345 5346 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 5347 cp = &sc->pciide_channels[channel]; 5348 if (pciide_chansetup(sc, channel, interface) == 0) 5349 continue; 5350 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 5351 serverworks_pci_intr); 5352 if (cp->hw_ok == 0) 5353 return; 5354 pciide_map_compat_intr(pa, cp, channel, interface); 5355 if (cp->hw_ok == 0) 5356 return; 5357 serverworks_setup_channel(&cp->wdc_channel); 5358 } 5359 5360 pcib_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, pa->pa_device, 0); 5361 pci_conf_write(pa->pa_pc, pcib_tag, 0x64, 5362 (pci_conf_read(pa->pa_pc, pcib_tag, 0x64) & ~0x2000) | 0x4000); 5363 } 5364 5365 void 5366 serverworks_setup_channel(chp) 5367 struct channel_softc *chp; 5368 { 5369 struct ata_drive_datas *drvp; 5370 struct pciide_channel *cp = (struct pciide_channel*)chp; 5371 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 5372 int channel = chp->channel; 5373 int drive, unit; 5374 u_int32_t pio_time, dma_time, pio_mode, udma_mode; 5375 u_int32_t idedma_ctl; 5376 static const u_int8_t pio_modes[5] = {0x5d, 0x47, 0x34, 0x22, 0x20}; 5377 static const u_int8_t dma_modes[3] = {0x77, 0x21, 0x20}; 5378 5379 /* setup DMA if needed */ 5380 pciide_channel_dma_setup(cp); 5381 5382 pio_time = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x40); 5383 dma_time = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x44); 5384 pio_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x48); 5385 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54); 5386 5387 pio_time &= ~(0xffff << (16 * channel)); 5388 dma_time &= ~(0xffff << (16 * channel)); 5389 pio_mode &= ~(0xff << (8 * channel + 16)); 5390 udma_mode &= ~(0xff << (8 * channel + 16)); 5391 udma_mode &= ~(3 << (2 * channel)); 5392 5393 idedma_ctl = 0; 5394 5395 /* Per drive settings */ 5396 for (drive = 0; drive < 2; drive++) { 5397 drvp = &chp->ch_drive[drive]; 5398 /* If no drive, skip */ 5399 if ((drvp->drive_flags & DRIVE) == 0) 5400 continue; 5401 unit = drive + 2 * channel; 5402 /* add timing values, setup DMA if needed */ 5403 pio_time |= pio_modes[drvp->PIO_mode] << (8 * (unit^1)); 5404 pio_mode |= drvp->PIO_mode << (4 * unit + 16); 5405 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 5406 (drvp->drive_flags & DRIVE_UDMA)) { 5407 /* use Ultra/DMA, check for 80-pin cable */ 5408 if (drvp->UDMA_mode > 2 && 5409 (PCI_PRODUCT(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_SUBSYS_ID_REG)) & (1 << (14 + channel))) == 0) 5410 drvp->UDMA_mode = 2; 5411 dma_time |= dma_modes[drvp->DMA_mode] << (8 * (unit^1)); 5412 udma_mode |= drvp->UDMA_mode << (4 * unit + 16); 5413 udma_mode |= 1 << unit; 5414 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 5415 } else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) && 5416 (drvp->drive_flags & DRIVE_DMA)) { 5417 /* use Multiword DMA */ 5418 drvp->drive_flags &= ~DRIVE_UDMA; 5419 dma_time |= dma_modes[drvp->DMA_mode] << (8 * (unit^1)); 5420 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 5421 } else { 5422 /* PIO only */ 5423 drvp->drive_flags &= ~(DRIVE_UDMA | DRIVE_DMA); 5424 } 5425 } 5426 5427 pci_conf_write(sc->sc_pc, sc->sc_tag, 0x40, pio_time); 5428 pci_conf_write(sc->sc_pc, sc->sc_tag, 0x44, dma_time); 5429 if (sc->sc_pp->ide_product != PCI_PRODUCT_SERVERWORKS_OSB4_IDE) 5430 pci_conf_write(sc->sc_pc, sc->sc_tag, 0x48, pio_mode); 5431 pci_conf_write(sc->sc_pc, sc->sc_tag, 0x54, udma_mode); 5432 5433 if (idedma_ctl != 0) { 5434 /* Add software bits in status register */ 5435 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 5436 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, idedma_ctl); 5437 } 5438 pciide_print_modes(cp); 5439 } 5440 5441 int 5442 serverworks_pci_intr(arg) 5443 void *arg; 5444 { 5445 struct pciide_softc *sc = arg; 5446 struct pciide_channel *cp; 5447 struct channel_softc *wdc_cp; 5448 int rv = 0; 5449 int dmastat, i, crv; 5450 5451 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 5452 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 5453 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 5454 if ((dmastat & (IDEDMA_CTL_ACT | IDEDMA_CTL_INTR)) != 5455 IDEDMA_CTL_INTR) 5456 continue; 5457 cp = &sc->pciide_channels[i]; 5458 wdc_cp = &cp->wdc_channel; 5459 crv = wdcintr(wdc_cp); 5460 if (crv == 0) { 5461 printf("%s:%d: bogus intr\n", 5462 sc->sc_wdcdev.sc_dev.dv_xname, i); 5463 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 5464 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat); 5465 } else 5466 rv = 1; 5467 } 5468 return rv; 5469 } 5470 5471 void 5472 artisea_chip_map(sc, pa) 5473 struct pciide_softc *sc; 5474 struct pci_attach_args *pa; 5475 { 5476 struct pciide_channel *cp; 5477 bus_size_t cmdsize, ctlsize; 5478 pcireg_t interface; 5479 int channel; 5480 5481 if (pciide_chipen(sc, pa) == 0) 5482 return; 5483 5484 aprint_normal("%s: bus-master DMA support resent", 5485 sc->sc_wdcdev.sc_dev.dv_xname); 5486 #ifndef PCIIDE_I31244_ENABLEDMA 5487 if (PCI_REVISION(pa->pa_class) == 0) { 5488 aprint_normal(" but disabled due to rev. 0"); 5489 sc->sc_dma_ok = 0; 5490 } else 5491 #endif 5492 pciide_mapreg_dma(sc, pa); 5493 aprint_normal("\n"); 5494 5495 /* 5496 * XXX Configure LEDs to show activity. 5497 */ 5498 5499 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 5500 WDC_CAPABILITY_MODE; 5501 sc->sc_wdcdev.PIO_cap = 4; 5502 if (sc->sc_dma_ok) { 5503 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 5504 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 5505 sc->sc_wdcdev.irqack = pciide_irqack; 5506 sc->sc_wdcdev.DMA_cap = 2; 5507 sc->sc_wdcdev.UDMA_cap = 6; 5508 } 5509 sc->sc_wdcdev.set_modes = sata_setup_channel; 5510 5511 sc->sc_wdcdev.channels = sc->wdc_chanarray; 5512 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 5513 5514 interface = PCI_INTERFACE(pa->pa_class); 5515 5516 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 5517 cp = &sc->pciide_channels[channel]; 5518 if (pciide_chansetup(sc, channel, interface) == 0) 5519 continue; 5520 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 5521 pciide_pci_intr); 5522 if (cp->hw_ok == 0) 5523 continue; 5524 pciide_map_compat_intr(pa, cp, channel, interface); 5525 sata_setup_channel(&cp->wdc_channel); 5526 } 5527 } 5528
Indexes created Thu Oct 02 10:09:58 GMT 2025