viaide.c revision 1.41.8.1
1 /* $NetBSD: viaide.c,v 1.41.8.1 2007/09/03 16:48:24 jmcneill Exp $ */ 2 3 /* 4 * Copyright (c) 1999, 2000, 2001 Manuel Bouyer. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Manuel Bouyer. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: viaide.c,v 1.41.8.1 2007/09/03 16:48:24 jmcneill Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 39 #include <dev/pci/pcivar.h> 40 #include <dev/pci/pcidevs.h> 41 #include <dev/pci/pciidereg.h> 42 #include <dev/pci/pciidevar.h> 43 #include <dev/pci/pciide_apollo_reg.h> 44 45 static int via_pcib_match(struct pci_attach_args *); 46 static void via_chip_map(struct pciide_softc *, struct pci_attach_args *); 47 static int via_sata_chip_map_common(struct pciide_softc *, 48 struct pci_attach_args *); 49 static void via_sata_chip_map(struct pciide_softc *, 50 struct pci_attach_args *, int); 51 static void via_sata_chip_map_0(struct pciide_softc *, 52 struct pci_attach_args *); 53 static void via_sata_chip_map_6(struct pciide_softc *, 54 struct pci_attach_args *); 55 static void via_sata_chip_map_7(struct pciide_softc *, 56 struct pci_attach_args *); 57 static void via_sata_chip_map_new(struct pciide_softc *, 58 struct pci_attach_args *); 59 static void via_setup_channel(struct ata_channel *); 60 61 static int viaide_match(struct device *, struct cfdata *, void *); 62 static void viaide_attach(struct device *, struct device *, void *); 63 static const struct pciide_product_desc * 64 viaide_lookup(pcireg_t); 65 66 CFATTACH_DECL(viaide, sizeof(struct pciide_softc), 67 viaide_match, viaide_attach, NULL, NULL); 68 69 static const struct pciide_product_desc pciide_amd_products[] = { 70 { PCI_PRODUCT_AMD_PBC756_IDE, 71 0, 72 "Advanced Micro Devices AMD756 IDE Controller", 73 via_chip_map 74 }, 75 { PCI_PRODUCT_AMD_PBC766_IDE, 76 0, 77 "Advanced Micro Devices AMD766 IDE Controller", 78 via_chip_map 79 }, 80 { PCI_PRODUCT_AMD_PBC768_IDE, 81 0, 82 "Advanced Micro Devices AMD768 IDE Controller", 83 via_chip_map 84 }, 85 { PCI_PRODUCT_AMD_PBC8111_IDE, 86 0, 87 "Advanced Micro Devices AMD8111 IDE Controller", 88 via_chip_map 89 }, 90 { PCI_PRODUCT_AMD_CS5536_IDE, 91 0, 92 "Advanced Micro Devices CS5536 IDE Controller", 93 via_chip_map 94 }, 95 { 0, 96 0, 97 NULL, 98 NULL 99 } 100 }; 101 102 static const struct pciide_product_desc pciide_nvidia_products[] = { 103 { PCI_PRODUCT_NVIDIA_NFORCE_ATA100, 104 0, 105 "NVIDIA nForce IDE Controller", 106 via_chip_map 107 }, 108 { PCI_PRODUCT_NVIDIA_NFORCE2_ATA133, 109 0, 110 "NVIDIA nForce2 IDE Controller", 111 via_chip_map 112 }, 113 { PCI_PRODUCT_NVIDIA_NFORCE2_400_ATA133, 114 0, 115 "NVIDIA nForce2 Ultra 400 IDE Controller", 116 via_chip_map 117 }, 118 { PCI_PRODUCT_NVIDIA_NFORCE2_400_SATA, 119 0, 120 "NVIDIA nForce2 Ultra 400 Serial ATA Controller", 121 via_sata_chip_map_6 122 }, 123 { PCI_PRODUCT_NVIDIA_NFORCE3_ATA133, 124 0, 125 "NVIDIA nForce3 IDE Controller", 126 via_chip_map 127 }, 128 { PCI_PRODUCT_NVIDIA_NFORCE3_250_ATA133, 129 0, 130 "NVIDIA nForce3 250 IDE Controller", 131 via_chip_map 132 }, 133 { PCI_PRODUCT_NVIDIA_NFORCE3_250_SATA, 134 0, 135 "NVIDIA nForce3 250 Serial ATA Controller", 136 via_sata_chip_map_6 137 }, 138 { PCI_PRODUCT_NVIDIA_NFORCE3_250_SATA2, 139 0, 140 "NVIDIA nForce3 250 Serial ATA Controller", 141 via_sata_chip_map_6 142 }, 143 { PCI_PRODUCT_NVIDIA_NFORCE4_ATA133, 144 0, 145 "NVIDIA nForce4 IDE Controller", 146 via_chip_map 147 }, 148 { PCI_PRODUCT_NVIDIA_NFORCE4_SATA1, 149 0, 150 "NVIDIA nForce4 Serial ATA Controller", 151 via_sata_chip_map_6 152 }, 153 { PCI_PRODUCT_NVIDIA_NFORCE4_SATA2, 154 0, 155 "NVIDIA nForce4 Serial ATA Controller", 156 via_sata_chip_map_6 157 }, 158 { PCI_PRODUCT_NVIDIA_NFORCE430_ATA133, 159 0, 160 "NVIDIA nForce430 IDE Controller", 161 via_chip_map 162 }, 163 { PCI_PRODUCT_NVIDIA_NFORCE430_SATA1, 164 0, 165 "NVIDIA nForce430 Serial ATA Controller", 166 via_sata_chip_map_6 167 }, 168 { PCI_PRODUCT_NVIDIA_NFORCE430_SATA2, 169 0, 170 "NVIDIA nForce430 Serial ATA Controller", 171 via_sata_chip_map_6 172 }, 173 { PCI_PRODUCT_NVIDIA_MCP04_IDE, 174 0, 175 "NVIDIA MCP04 IDE Controller", 176 via_chip_map 177 }, 178 { PCI_PRODUCT_NVIDIA_MCP04_SATA, 179 0, 180 "NVIDIA MCP04 Serial ATA Controller", 181 via_sata_chip_map_6 182 }, 183 { PCI_PRODUCT_NVIDIA_MCP04_SATA2, 184 0, 185 "NVIDIA MCP04 Serial ATA Controller", 186 via_sata_chip_map_6 187 }, 188 { PCI_PRODUCT_NVIDIA_MCP55_IDE, 189 0, 190 "NVIDIA MCP55 IDE Controller", 191 via_chip_map 192 }, 193 { PCI_PRODUCT_NVIDIA_MCP55_SATA, 194 0, 195 "NVIDIA MCP55 Serial ATA Controller", 196 via_sata_chip_map_6 197 }, 198 { PCI_PRODUCT_NVIDIA_MCP55_SATA2, 199 0, 200 "NVIDIA MCP55 Serial ATA Controller", 201 via_sata_chip_map_6 202 }, 203 { PCI_PRODUCT_NVIDIA_MCP61_IDE, 204 0, 205 "NVIDIA MCP61 IDE Controller", 206 via_chip_map 207 }, 208 { PCI_PRODUCT_NVIDIA_MCP65_IDE, 209 0, 210 "NVIDIA MCP65 IDE Controller", 211 via_chip_map 212 }, 213 { PCI_PRODUCT_NVIDIA_MCP61_SATA, 214 0, 215 "NVIDIA MCP61 Serial ATA Controller", 216 via_sata_chip_map_6 217 }, 218 { PCI_PRODUCT_NVIDIA_MCP61_SATA2, 219 0, 220 "NVIDIA MCP61 Serial ATA Controller", 221 via_sata_chip_map_6 222 }, 223 { PCI_PRODUCT_NVIDIA_MCP61_SATA3, 224 0, 225 "NVIDIA MCP61 Serial ATA Controller", 226 via_sata_chip_map_6 227 }, 228 { PCI_PRODUCT_NVIDIA_MCP65_SATA, 229 0, 230 "NVIDIA MCP65 Serial ATA Controller", 231 via_sata_chip_map_6 232 }, 233 { PCI_PRODUCT_NVIDIA_MCP65_SATA2, 234 0, 235 "NVIDIA MCP65 Serial ATA Controller", 236 via_sata_chip_map_6 237 }, 238 { PCI_PRODUCT_NVIDIA_MCP65_SATA3, 239 0, 240 "NVIDIA MCP65 Serial ATA Controller", 241 via_sata_chip_map_6 242 }, 243 { PCI_PRODUCT_NVIDIA_MCP65_SATA4, 244 0, 245 "NVIDIA MCP65 Serial ATA Controller", 246 via_sata_chip_map_6 247 }, 248 { PCI_PRODUCT_NVIDIA_MCP67_IDE, 249 0, 250 "NVIDIA MCP67 IDE Controller", 251 via_chip_map, 252 }, 253 { PCI_PRODUCT_NVIDIA_MCP67_SATA, 254 0, 255 "NVIDIA MCP67 Serial ATA Controller", 256 via_sata_chip_map_6, 257 }, 258 { PCI_PRODUCT_NVIDIA_MCP67_SATA2, 259 0, 260 "NVIDIA MCP67 Serial ATA Controller", 261 via_sata_chip_map_6, 262 }, 263 { PCI_PRODUCT_NVIDIA_MCP67_SATA3, 264 0, 265 "NVIDIA MCP67 Serial ATA Controller", 266 via_sata_chip_map_6, 267 }, 268 { PCI_PRODUCT_NVIDIA_MCP67_SATA4, 269 0, 270 "NVIDIA MCP67 Serial ATA Controller", 271 via_sata_chip_map_6, 272 }, 273 { 0, 274 0, 275 NULL, 276 NULL 277 } 278 }; 279 280 static const struct pciide_product_desc pciide_via_products[] = { 281 { PCI_PRODUCT_VIATECH_VT82C586_IDE, 282 0, 283 NULL, 284 via_chip_map, 285 }, 286 { PCI_PRODUCT_VIATECH_VT82C586A_IDE, 287 0, 288 NULL, 289 via_chip_map, 290 }, 291 { PCI_PRODUCT_VIATECH_CX700_IDE, 292 0, 293 NULL, 294 via_chip_map, 295 }, 296 { PCI_PRODUCT_VIATECH_VT6421_RAID, 297 0, 298 "VIA Technologies VT6421 Serial RAID Controller", 299 via_sata_chip_map_new, 300 }, 301 { PCI_PRODUCT_VIATECH_VT8237_SATA, 302 0, 303 "VIA Technologies VT8237 SATA Controller", 304 via_sata_chip_map_7, 305 }, 306 { PCI_PRODUCT_VIATECH_VT8237A_SATA, 307 0, 308 "VIA Technologies VT8237A SATA Controller", 309 via_sata_chip_map_7, 310 }, 311 { PCI_PRODUCT_VIATECH_VT8237R_SATA, 312 0, 313 "VIA Technologies VT8237R SATA Controller", 314 via_sata_chip_map_0, 315 }, 316 { 0, 317 0, 318 NULL, 319 NULL 320 } 321 }; 322 323 static const struct pciide_product_desc * 324 viaide_lookup(pcireg_t id) 325 { 326 327 switch (PCI_VENDOR(id)) { 328 case PCI_VENDOR_VIATECH: 329 return (pciide_lookup_product(id, pciide_via_products)); 330 331 case PCI_VENDOR_AMD: 332 return (pciide_lookup_product(id, pciide_amd_products)); 333 334 case PCI_VENDOR_NVIDIA: 335 return (pciide_lookup_product(id, pciide_nvidia_products)); 336 } 337 return (NULL); 338 } 339 340 static int 341 viaide_match(struct device *parent, struct cfdata *match, 342 void *aux) 343 { 344 struct pci_attach_args *pa = aux; 345 346 if (viaide_lookup(pa->pa_id) != NULL) 347 return (2); 348 return (0); 349 } 350 351 static void 352 viaide_attach(struct device *parent, struct device *self, void *aux) 353 { 354 struct pci_attach_args *pa = aux; 355 struct pciide_softc *sc = (struct pciide_softc *)self; 356 const struct pciide_product_desc *pp; 357 358 pp = viaide_lookup(pa->pa_id); 359 if (pp == NULL) 360 panic("viaide_attach"); 361 pciide_common_attach(sc, pa, pp); 362 } 363 364 static int 365 via_pcib_match(struct pci_attach_args *pa) 366 { 367 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_BRIDGE && 368 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_BRIDGE_ISA && 369 PCI_VENDOR(pa->pa_id) == PCI_VENDOR_VIATECH) 370 return (1); 371 return 0; 372 } 373 374 static void 375 via_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) 376 { 377 struct pciide_channel *cp; 378 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 379 pcireg_t vendor = PCI_VENDOR(pa->pa_id); 380 int channel; 381 u_int32_t ideconf; 382 bus_size_t cmdsize, ctlsize; 383 pcireg_t pcib_id, pcib_class; 384 struct pci_attach_args pcib_pa; 385 386 if (pciide_chipen(sc, pa) == 0) 387 return; 388 389 switch (vendor) { 390 case PCI_VENDOR_VIATECH: 391 /* 392 * get a PCI tag for the ISA bridge. 393 */ 394 if (pci_find_device(&pcib_pa, via_pcib_match) == 0) 395 goto unknown; 396 pcib_id = pcib_pa.pa_id; 397 pcib_class = pcib_pa.pa_class; 398 aprint_normal("%s: VIA Technologies ", 399 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname); 400 switch (PCI_PRODUCT(pcib_id)) { 401 case PCI_PRODUCT_VIATECH_VT82C586_ISA: 402 aprint_normal("VT82C586 (Apollo VP) "); 403 if(PCI_REVISION(pcib_class) >= 0x02) { 404 aprint_normal("ATA33 controller\n"); 405 sc->sc_wdcdev.sc_atac.atac_udma_cap = 2; 406 } else { 407 aprint_normal("controller\n"); 408 sc->sc_wdcdev.sc_atac.atac_udma_cap = 0; 409 } 410 break; 411 case PCI_PRODUCT_VIATECH_VT82C596A: 412 aprint_normal("VT82C596A (Apollo Pro) "); 413 if (PCI_REVISION(pcib_class) >= 0x12) { 414 aprint_normal("ATA66 controller\n"); 415 sc->sc_wdcdev.sc_atac.atac_udma_cap = 4; 416 } else { 417 aprint_normal("ATA33 controller\n"); 418 sc->sc_wdcdev.sc_atac.atac_udma_cap = 2; 419 } 420 break; 421 case PCI_PRODUCT_VIATECH_VT82C686A_ISA: 422 aprint_normal("VT82C686A (Apollo KX133) "); 423 if (PCI_REVISION(pcib_class) >= 0x40) { 424 aprint_normal("ATA100 controller\n"); 425 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5; 426 } else { 427 aprint_normal("ATA66 controller\n"); 428 sc->sc_wdcdev.sc_atac.atac_udma_cap = 4; 429 } 430 break; 431 case PCI_PRODUCT_VIATECH_VT8231: 432 aprint_normal("VT8231 ATA100 controller\n"); 433 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5; 434 break; 435 case PCI_PRODUCT_VIATECH_VT8233: 436 aprint_normal("VT8233 ATA100 controller\n"); 437 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5; 438 break; 439 case PCI_PRODUCT_VIATECH_VT8233A: 440 aprint_normal("VT8233A ATA133 controller\n"); 441 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 442 break; 443 case PCI_PRODUCT_VIATECH_VT8235: 444 aprint_normal("VT8235 ATA133 controller\n"); 445 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 446 break; 447 case PCI_PRODUCT_VIATECH_VT8237: 448 aprint_normal("VT8237 ATA133 controller\n"); 449 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 450 break; 451 case PCI_PRODUCT_VIATECH_VT8237A_ISA: 452 aprint_normal("VT8237A ATA133 controller\n"); 453 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 454 break; 455 case PCI_PRODUCT_VIATECH_CX700_IDE: 456 aprint_normal("CX700 ATA133 controller\n"); 457 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 458 break; 459 default: 460 unknown: 461 aprint_normal("unknown VIA ATA controller\n"); 462 sc->sc_wdcdev.sc_atac.atac_udma_cap = 0; 463 } 464 sc->sc_apo_regbase = APO_VIA_REGBASE; 465 break; 466 case PCI_VENDOR_AMD: 467 switch (sc->sc_pp->ide_product) { 468 case PCI_PRODUCT_AMD_PBC8111_IDE: 469 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 470 break; 471 case PCI_PRODUCT_AMD_PBC766_IDE: 472 case PCI_PRODUCT_AMD_PBC768_IDE: 473 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5; 474 break; 475 default: 476 sc->sc_wdcdev.sc_atac.atac_udma_cap = 4; 477 } 478 sc->sc_apo_regbase = APO_AMD_REGBASE; 479 break; 480 case PCI_VENDOR_NVIDIA: 481 switch (sc->sc_pp->ide_product) { 482 case PCI_PRODUCT_NVIDIA_NFORCE_ATA100: 483 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5; 484 break; 485 case PCI_PRODUCT_NVIDIA_NFORCE2_ATA133: 486 case PCI_PRODUCT_NVIDIA_NFORCE2_400_ATA133: 487 case PCI_PRODUCT_NVIDIA_NFORCE3_ATA133: 488 case PCI_PRODUCT_NVIDIA_NFORCE3_250_ATA133: 489 case PCI_PRODUCT_NVIDIA_NFORCE4_ATA133: 490 case PCI_PRODUCT_NVIDIA_NFORCE430_ATA133: 491 case PCI_PRODUCT_NVIDIA_MCP04_IDE: 492 case PCI_PRODUCT_NVIDIA_MCP55_IDE: 493 case PCI_PRODUCT_NVIDIA_MCP61_IDE: 494 case PCI_PRODUCT_NVIDIA_MCP65_IDE: 495 case PCI_PRODUCT_NVIDIA_MCP67_IDE: 496 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 497 break; 498 } 499 sc->sc_apo_regbase = APO_NVIDIA_REGBASE; 500 break; 501 default: 502 panic("via_chip_map: unknown vendor"); 503 } 504 505 aprint_verbose("%s: bus-master DMA support present", 506 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname); 507 pciide_mapreg_dma(sc, pa); 508 aprint_verbose("\n"); 509 sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32; 510 if (sc->sc_dma_ok) { 511 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA; 512 sc->sc_wdcdev.irqack = pciide_irqack; 513 if (sc->sc_wdcdev.sc_atac.atac_udma_cap > 0) 514 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_UDMA; 515 } 516 sc->sc_wdcdev.sc_atac.atac_pio_cap = 4; 517 sc->sc_wdcdev.sc_atac.atac_dma_cap = 2; 518 sc->sc_wdcdev.sc_atac.atac_set_modes = via_setup_channel; 519 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray; 520 sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS; 521 522 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && 523 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_RAID) 524 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_RAID; 525 526 wdc_allocate_regs(&sc->sc_wdcdev); 527 528 ATADEBUG_PRINT(("via_chip_map: old APO_IDECONF=0x%x, " 529 "APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 530 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF(sc)), 531 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC(sc)), 532 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM(sc)), 533 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA(sc))), 534 DEBUG_PROBE); 535 536 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF(sc)); 537 for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels; 538 channel++) { 539 cp = &sc->pciide_channels[channel]; 540 if (pciide_chansetup(sc, channel, interface) == 0) 541 continue; 542 543 if ((ideconf & APO_IDECONF_EN(channel)) == 0) { 544 aprint_normal("%s: %s channel ignored (disabled)\n", 545 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, cp->name); 546 cp->ata_channel.ch_flags |= ATACH_DISABLED; 547 continue; 548 } 549 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 550 pciide_pci_intr); 551 } 552 } 553 554 static void 555 via_setup_channel(struct ata_channel *chp) 556 { 557 u_int32_t udmatim_reg, datatim_reg; 558 u_int8_t idedma_ctl; 559 int mode, drive, s; 560 struct ata_drive_datas *drvp; 561 struct atac_softc *atac = chp->ch_atac; 562 struct pciide_channel *cp = CHAN_TO_PCHAN(chp); 563 struct pciide_softc *sc = CHAN_TO_PCIIDE(chp); 564 #ifndef PCIIDE_AMD756_ENABLEDMA 565 int rev = PCI_REVISION( 566 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 567 #endif 568 569 idedma_ctl = 0; 570 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM(sc)); 571 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA(sc)); 572 datatim_reg &= ~APO_DATATIM_MASK(chp->ch_channel); 573 udmatim_reg &= ~APO_UDMA_MASK(chp->ch_channel); 574 575 /* setup DMA if needed */ 576 pciide_channel_dma_setup(cp); 577 578 for (drive = 0; drive < 2; drive++) { 579 drvp = &chp->ch_drive[drive]; 580 /* If no drive, skip */ 581 if ((drvp->drive_flags & DRIVE) == 0) 582 continue; 583 /* add timing values, setup DMA if needed */ 584 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 585 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 586 mode = drvp->PIO_mode; 587 goto pio; 588 } 589 if ((atac->atac_cap & ATAC_CAP_UDMA) && 590 (drvp->drive_flags & DRIVE_UDMA)) { 591 /* use Ultra/DMA */ 592 s = splbio(); 593 drvp->drive_flags &= ~DRIVE_DMA; 594 splx(s); 595 udmatim_reg |= APO_UDMA_EN(chp->ch_channel, drive) | 596 APO_UDMA_EN_MTH(chp->ch_channel, drive); 597 switch (PCI_VENDOR(sc->sc_pci_id)) { 598 case PCI_VENDOR_VIATECH: 599 if (sc->sc_wdcdev.sc_atac.atac_udma_cap == 6) { 600 /* 8233a */ 601 udmatim_reg |= APO_UDMA_TIME( 602 chp->ch_channel, 603 drive, 604 via_udma133_tim[drvp->UDMA_mode]); 605 } else if (sc->sc_wdcdev.sc_atac.atac_udma_cap == 5) { 606 /* 686b */ 607 udmatim_reg |= APO_UDMA_TIME( 608 chp->ch_channel, 609 drive, 610 via_udma100_tim[drvp->UDMA_mode]); 611 } else if (sc->sc_wdcdev.sc_atac.atac_udma_cap == 4) { 612 /* 596b or 686a */ 613 udmatim_reg |= APO_UDMA_CLK66( 614 chp->ch_channel); 615 udmatim_reg |= APO_UDMA_TIME( 616 chp->ch_channel, 617 drive, 618 via_udma66_tim[drvp->UDMA_mode]); 619 } else { 620 /* 596a or 586b */ 621 udmatim_reg |= APO_UDMA_TIME( 622 chp->ch_channel, 623 drive, 624 via_udma33_tim[drvp->UDMA_mode]); 625 } 626 break; 627 case PCI_VENDOR_AMD: 628 case PCI_VENDOR_NVIDIA: 629 udmatim_reg |= APO_UDMA_TIME(chp->ch_channel, 630 drive, amd7x6_udma_tim[drvp->UDMA_mode]); 631 break; 632 } 633 /* can use PIO timings, MW DMA unused */ 634 mode = drvp->PIO_mode; 635 } else { 636 /* use Multiword DMA, but only if revision is OK */ 637 s = splbio(); 638 drvp->drive_flags &= ~DRIVE_UDMA; 639 splx(s); 640 #ifndef PCIIDE_AMD756_ENABLEDMA 641 /* 642 * The workaround doesn't seem to be necessary 643 * with all drives, so it can be disabled by 644 * PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if 645 * triggered. 646 */ 647 if (PCI_VENDOR(sc->sc_pci_id) == PCI_VENDOR_AMD && 648 sc->sc_pp->ide_product == 649 PCI_PRODUCT_AMD_PBC756_IDE && 650 AMD756_CHIPREV_DISABLEDMA(rev)) { 651 aprint_normal( 652 "%s:%d:%d: multi-word DMA disabled due " 653 "to chip revision\n", 654 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, 655 chp->ch_channel, drive); 656 mode = drvp->PIO_mode; 657 s = splbio(); 658 drvp->drive_flags &= ~DRIVE_DMA; 659 splx(s); 660 goto pio; 661 } 662 #endif 663 /* mode = min(pio, dma+2) */ 664 if (drvp->PIO_mode <= (drvp->DMA_mode + 2)) 665 mode = drvp->PIO_mode; 666 else 667 mode = drvp->DMA_mode + 2; 668 } 669 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 670 671 pio: /* setup PIO mode */ 672 if (mode <= 2) { 673 drvp->DMA_mode = 0; 674 drvp->PIO_mode = 0; 675 mode = 0; 676 } else { 677 drvp->PIO_mode = mode; 678 drvp->DMA_mode = mode - 2; 679 } 680 datatim_reg |= 681 APO_DATATIM_PULSE(chp->ch_channel, drive, 682 apollo_pio_set[mode]) | 683 APO_DATATIM_RECOV(chp->ch_channel, drive, 684 apollo_pio_rec[mode]); 685 } 686 if (idedma_ctl != 0) { 687 /* Add software bits in status register */ 688 bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0, 689 idedma_ctl); 690 } 691 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM(sc), datatim_reg); 692 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA(sc), udmatim_reg); 693 ATADEBUG_PRINT(("via_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 694 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM(sc)), 695 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA(sc))), DEBUG_PROBE); 696 } 697 698 static int 699 via_sata_chip_map_common(struct pciide_softc *sc, struct pci_attach_args *pa) 700 { 701 bus_size_t satasize; 702 int maptype, ret; 703 704 if (pciide_chipen(sc, pa) == 0) 705 return 0; 706 707 aprint_verbose("%s: bus-master DMA support present", 708 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname); 709 pciide_mapreg_dma(sc, pa); 710 aprint_verbose("\n"); 711 712 if (sc->sc_dma_ok) { 713 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_UDMA | ATAC_CAP_DMA; 714 sc->sc_wdcdev.irqack = pciide_irqack; 715 } 716 sc->sc_wdcdev.sc_atac.atac_pio_cap = 4; 717 sc->sc_wdcdev.sc_atac.atac_dma_cap = 2; 718 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 719 720 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray; 721 sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS; 722 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16 | ATAC_CAP_DATA32; 723 sc->sc_wdcdev.sc_atac.atac_set_modes = sata_setup_channel; 724 725 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && 726 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_RAID) 727 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_RAID; 728 729 wdc_allocate_regs(&sc->sc_wdcdev); 730 maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, 731 PCI_MAPREG_START + 0x14); 732 switch(maptype) { 733 case PCI_MAPREG_TYPE_IO: 734 ret = pci_mapreg_map(pa, PCI_MAPREG_START + 0x14, 735 PCI_MAPREG_TYPE_IO, 0, &sc->sc_ba5_st, &sc->sc_ba5_sh, 736 NULL, &satasize); 737 break; 738 case PCI_MAPREG_MEM_TYPE_32BIT: 739 ret = pci_mapreg_map(pa, PCI_MAPREG_START + 0x14, 740 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 741 0, &sc->sc_ba5_st, &sc->sc_ba5_sh, 742 NULL, &satasize); 743 break; 744 default: 745 aprint_error("%s: couldn't map sata regs, unsupported" 746 "maptype (0x%x)\n", sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, 747 maptype); 748 return 0; 749 } 750 if (ret != 0) { 751 aprint_error("%s: couldn't map sata regs\n", 752 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname); 753 return 0; 754 } 755 return 1; 756 } 757 758 static void 759 via_sata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa, 760 int satareg_shift) 761 { 762 struct pciide_channel *cp; 763 struct ata_channel *wdc_cp; 764 struct wdc_regs *wdr; 765 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 766 int channel; 767 bus_size_t cmdsize, ctlsize; 768 769 if (via_sata_chip_map_common(sc, pa) == 0) 770 return; 771 772 if (interface == 0) { 773 ATADEBUG_PRINT(("via_sata_chip_map interface == 0\n"), 774 DEBUG_PROBE); 775 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 776 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 777 } 778 779 for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels; 780 channel++) { 781 cp = &sc->pciide_channels[channel]; 782 if (pciide_chansetup(sc, channel, interface) == 0) 783 continue; 784 wdc_cp = &cp->ata_channel; 785 wdr = CHAN_TO_WDC_REGS(wdc_cp); 786 wdr->sata_iot = sc->sc_ba5_st; 787 wdr->sata_baseioh = sc->sc_ba5_sh; 788 if (bus_space_subregion(wdr->sata_iot, wdr->sata_baseioh, 789 (wdc_cp->ch_channel << satareg_shift) + 0x0, 1, 790 &wdr->sata_status) != 0) { 791 aprint_error("%s: couldn't map channel %d " 792 "sata_status regs\n", 793 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, 794 wdc_cp->ch_channel); 795 continue; 796 } 797 if (bus_space_subregion(wdr->sata_iot, wdr->sata_baseioh, 798 (wdc_cp->ch_channel << satareg_shift) + 0x4, 1, 799 &wdr->sata_error) != 0) { 800 aprint_error("%s: couldn't map channel %d " 801 "sata_error regs\n", 802 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, 803 wdc_cp->ch_channel); 804 continue; 805 } 806 if (bus_space_subregion(wdr->sata_iot, wdr->sata_baseioh, 807 (wdc_cp->ch_channel << satareg_shift) + 0x8, 1, 808 &wdr->sata_control) != 0) { 809 aprint_error("%s: couldn't map channel %d " 810 "sata_control regs\n", 811 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, 812 wdc_cp->ch_channel); 813 continue; 814 } 815 sc->sc_wdcdev.sc_atac.atac_probe = wdc_sataprobe; 816 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 817 pciide_pci_intr); 818 } 819 } 820 821 static void 822 via_sata_chip_map_0(struct pciide_softc *sc, struct pci_attach_args *pa) 823 { 824 via_sata_chip_map(sc, pa, 0); 825 } 826 827 static void 828 via_sata_chip_map_6(struct pciide_softc *sc, struct pci_attach_args *pa) 829 { 830 via_sata_chip_map(sc, pa, 6); 831 } 832 833 static void 834 via_sata_chip_map_7(struct pciide_softc *sc, struct pci_attach_args *pa) 835 { 836 via_sata_chip_map(sc, pa, 7); 837 } 838 839 static void 840 via_sata_chip_map_new(struct pciide_softc *sc, struct pci_attach_args *pa) 841 { 842 struct pciide_channel *cp; 843 struct ata_channel *wdc_cp; 844 struct wdc_regs *wdr; 845 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 846 int channel; 847 bus_size_t cmdsize; 848 pci_intr_handle_t intrhandle; 849 const char *intrstr; 850 int i; 851 852 if (via_sata_chip_map_common(sc, pa) == 0) 853 return; 854 855 if (interface == 0) { 856 ATADEBUG_PRINT(("via_sata_chip_map interface == 0\n"), 857 DEBUG_PROBE); 858 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 859 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 860 } 861 862 if (pci_intr_map(pa, &intrhandle) != 0) { 863 aprint_error("%s: couldn't map native-PCI interrupt\n", 864 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname); 865 return; 866 } 867 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 868 sc->sc_pci_ih = pci_intr_establish(pa->pa_pc, 869 intrhandle, IPL_BIO, pciide_pci_intr, sc); 870 if (sc->sc_pci_ih == NULL) { 871 aprint_error( 872 "%s: couldn't establish native-PCI interrupt", 873 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname); 874 if (intrstr != NULL) 875 aprint_error(" at %s", intrstr); 876 aprint_error("\n"); 877 return; 878 } 879 aprint_normal("%s: using %s for native-PCI interrupt\n", 880 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, 881 intrstr ? intrstr : "unknown interrupt"); 882 883 for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels; 884 channel++) { 885 cp = &sc->pciide_channels[channel]; 886 if (pciide_chansetup(sc, channel, interface) == 0) 887 continue; 888 cp->ata_channel.ch_ndrive = 1; 889 wdc_cp = &cp->ata_channel; 890 wdr = CHAN_TO_WDC_REGS(wdc_cp); 891 892 wdr->sata_iot = sc->sc_ba5_st; 893 wdr->sata_baseioh = sc->sc_ba5_sh; 894 if (bus_space_subregion(wdr->sata_iot, wdr->sata_baseioh, 895 (wdc_cp->ch_channel << 6) + 0x0, 1, 896 &wdr->sata_status) != 0) { 897 aprint_error("%s: couldn't map channel %d " 898 "sata_status regs\n", 899 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, 900 wdc_cp->ch_channel); 901 continue; 902 } 903 if (bus_space_subregion(wdr->sata_iot, wdr->sata_baseioh, 904 (wdc_cp->ch_channel << 6) + 0x4, 1, 905 &wdr->sata_error) != 0) { 906 aprint_error("%s: couldn't map channel %d " 907 "sata_error regs\n", 908 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, 909 wdc_cp->ch_channel); 910 continue; 911 } 912 if (bus_space_subregion(wdr->sata_iot, wdr->sata_baseioh, 913 (wdc_cp->ch_channel << 6) + 0x8, 1, 914 &wdr->sata_control) != 0) { 915 aprint_error("%s: couldn't map channel %d " 916 "sata_control regs\n", 917 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, 918 wdc_cp->ch_channel); 919 continue; 920 } 921 sc->sc_wdcdev.sc_atac.atac_probe = wdc_sataprobe; 922 923 if (pci_mapreg_map(pa, (0x10 + (4 * (channel))), 924 PCI_MAPREG_TYPE_IO, 0, &wdr->cmd_iot, &wdr->cmd_baseioh, 925 NULL, &cmdsize) != 0) { 926 aprint_error("%s: couldn't map %s channel regs\n", 927 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, 928 cp->name); 929 } 930 wdr->ctl_iot = wdr->cmd_iot; 931 for (i = 0; i < WDC_NREG; i++) { 932 if (bus_space_subregion(wdr->cmd_iot, 933 wdr->cmd_baseioh, i, i == 0 ? 4 : 1, 934 &wdr->cmd_iohs[i]) != 0) { 935 aprint_error("%s: couldn't subregion %s " 936 "channel cmd regs\n", 937 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, 938 cp->name); 939 return; 940 } 941 } 942 if (bus_space_subregion(wdr->cmd_iot, wdr->cmd_baseioh, 943 WDC_NREG + 2, 1, &wdr->ctl_ioh) != 0) { 944 aprint_error("%s: couldn't map channel %d ctl regs\n", 945 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, channel); 946 return; 947 } 948 wdc_init_shadow_regs(wdc_cp); 949 wdcattach(wdc_cp); 950 } 951 } 952
Indexes created Sun Oct 19 21:10:07 GMT 2025