i82365.c revision 1.11
1 /* $NetBSD: i82365.c,v 1.11 1998/10/15 04:04:43 mycroft Exp $ */ 2 3 #define PCICDEBUG 4 5 /* 6 * Copyright (c) 1997 Marc Horowitz. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Marc Horowitz. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software 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 #include <sys/types.h> 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 #include <sys/extent.h> 39 #include <sys/malloc.h> 40 41 #include <vm/vm.h> 42 43 #include <machine/bus.h> 44 #include <machine/intr.h> 45 46 #include <dev/pcmcia/pcmciareg.h> 47 #include <dev/pcmcia/pcmciavar.h> 48 49 #include <dev/ic/i82365reg.h> 50 #include <dev/ic/i82365var.h> 51 52 #include "locators.h" 53 54 #ifdef PCICDEBUG 55 int pcic_debug = 0; 56 #define DPRINTF(arg) if (pcic_debug) printf arg; 57 #else 58 #define DPRINTF(arg) 59 #endif 60 61 #define PCIC_VENDOR_UNKNOWN 0 62 #define PCIC_VENDOR_I82365SLR0 1 63 #define PCIC_VENDOR_I82365SLR1 2 64 #define PCIC_VENDOR_CIRRUS_PD6710 3 65 #define PCIC_VENDOR_CIRRUS_PD672X 4 66 67 /* 68 * Individual drivers will allocate their own memory and io regions. Memory 69 * regions must be a multiple of 4k, aligned on a 4k boundary. 70 */ 71 72 #define PCIC_MEM_ALIGN PCIC_MEM_PAGESIZE 73 74 void pcic_attach_socket __P((struct pcic_handle *)); 75 void pcic_init_socket __P((struct pcic_handle *)); 76 77 int pcic_submatch __P((struct device *, struct cfdata *, void *)); 78 int pcic_print __P((void *arg, const char *pnp)); 79 int pcic_intr_socket __P((struct pcic_handle *)); 80 81 void pcic_attach_card __P((struct pcic_handle *)); 82 void pcic_detach_card __P((struct pcic_handle *)); 83 84 void pcic_chip_do_mem_map __P((struct pcic_handle *, int)); 85 void pcic_chip_do_io_map __P((struct pcic_handle *, int)); 86 87 static void pcic_wait_ready __P((struct pcic_handle *)); 88 89 int 90 pcic_ident_ok(ident) 91 int ident; 92 { 93 /* this is very empirical and heuristic */ 94 95 if ((ident == 0) || (ident == 0xff) || (ident & PCIC_IDENT_ZERO)) 96 return (0); 97 98 if ((ident & PCIC_IDENT_IFTYPE_MASK) != PCIC_IDENT_IFTYPE_MEM_AND_IO) { 99 #ifdef DIAGNOSTIC 100 printf("pcic: does not support memory and I/O cards, " 101 "ignored (ident=%0x)\n", ident); 102 #endif 103 return (0); 104 } 105 return (1); 106 } 107 108 int 109 pcic_vendor(h) 110 struct pcic_handle *h; 111 { 112 int reg; 113 114 /* 115 * the chip_id of the cirrus toggles between 11 and 00 after a write. 116 * weird. 117 */ 118 119 pcic_write(h, PCIC_CIRRUS_CHIP_INFO, 0); 120 reg = pcic_read(h, -1); 121 122 if ((reg & PCIC_CIRRUS_CHIP_INFO_CHIP_ID) == 123 PCIC_CIRRUS_CHIP_INFO_CHIP_ID) { 124 reg = pcic_read(h, -1); 125 if ((reg & PCIC_CIRRUS_CHIP_INFO_CHIP_ID) == 0) { 126 if (reg & PCIC_CIRRUS_CHIP_INFO_SLOTS) 127 return (PCIC_VENDOR_CIRRUS_PD672X); 128 else 129 return (PCIC_VENDOR_CIRRUS_PD6710); 130 } 131 } 132 /* XXX how do I identify the GD6729? */ 133 134 reg = pcic_read(h, PCIC_IDENT); 135 136 if ((reg & PCIC_IDENT_REV_MASK) == PCIC_IDENT_REV_I82365SLR0) 137 return (PCIC_VENDOR_I82365SLR0); 138 else 139 return (PCIC_VENDOR_I82365SLR1); 140 141 return (PCIC_VENDOR_UNKNOWN); 142 } 143 144 char * 145 pcic_vendor_to_string(vendor) 146 int vendor; 147 { 148 switch (vendor) { 149 case PCIC_VENDOR_I82365SLR0: 150 return ("Intel 82365SL Revision 0"); 151 case PCIC_VENDOR_I82365SLR1: 152 return ("Intel 82365SL Revision 1"); 153 case PCIC_VENDOR_CIRRUS_PD6710: 154 return ("Cirrus PD6710"); 155 case PCIC_VENDOR_CIRRUS_PD672X: 156 return ("Cirrus PD672X"); 157 } 158 159 return ("Unknown controller"); 160 } 161 162 void 163 pcic_attach(sc) 164 struct pcic_softc *sc; 165 { 166 int vendor, count, i, reg; 167 168 /* now check for each controller/socket */ 169 170 /* 171 * this could be done with a loop, but it would violate the 172 * abstraction 173 */ 174 175 count = 0; 176 177 DPRINTF(("pcic ident regs:")); 178 179 sc->handle[0].sc = sc; 180 sc->handle[0].sock = C0SA; 181 if (pcic_ident_ok(reg = pcic_read(&sc->handle[0], PCIC_IDENT))) { 182 sc->handle[0].flags = PCIC_FLAG_SOCKETP; 183 count++; 184 } else { 185 sc->handle[0].flags = 0; 186 } 187 188 DPRINTF((" 0x%02x", reg)); 189 190 sc->handle[1].sc = sc; 191 sc->handle[1].sock = C0SB; 192 if (pcic_ident_ok(reg = pcic_read(&sc->handle[1], PCIC_IDENT))) { 193 sc->handle[1].flags = PCIC_FLAG_SOCKETP; 194 count++; 195 } else { 196 sc->handle[1].flags = 0; 197 } 198 199 DPRINTF((" 0x%02x", reg)); 200 201 sc->handle[2].sc = sc; 202 sc->handle[2].sock = C1SA; 203 if (pcic_ident_ok(reg = pcic_read(&sc->handle[2], PCIC_IDENT))) { 204 sc->handle[2].flags = PCIC_FLAG_SOCKETP; 205 count++; 206 } else { 207 sc->handle[2].flags = 0; 208 } 209 210 DPRINTF((" 0x%02x", reg)); 211 212 sc->handle[3].sc = sc; 213 sc->handle[3].sock = C1SB; 214 if (pcic_ident_ok(reg = pcic_read(&sc->handle[3], PCIC_IDENT))) { 215 sc->handle[3].flags = PCIC_FLAG_SOCKETP; 216 count++; 217 } else { 218 sc->handle[3].flags = 0; 219 } 220 221 DPRINTF((" 0x%02x\n", reg)); 222 223 if (count == 0) 224 panic("pcic_attach: attach found no sockets"); 225 226 /* establish the interrupt */ 227 228 /* XXX block interrupts? */ 229 230 for (i = 0; i < PCIC_NSLOTS; i++) { 231 #if 0 232 /* 233 * this should work, but w/o it, setting tty flags hangs at 234 * boot time. 235 */ 236 if (sc->handle[i].flags & PCIC_FLAG_SOCKETP) 237 #endif 238 { 239 pcic_write(&sc->handle[i], PCIC_CSC_INTR, 0); 240 pcic_read(&sc->handle[i], PCIC_CSC); 241 } 242 } 243 244 if ((sc->handle[0].flags & PCIC_FLAG_SOCKETP) || 245 (sc->handle[1].flags & PCIC_FLAG_SOCKETP)) { 246 vendor = pcic_vendor(&sc->handle[0]); 247 248 printf("%s: controller 0 (%s) has ", sc->dev.dv_xname, 249 pcic_vendor_to_string(vendor)); 250 251 if ((sc->handle[0].flags & PCIC_FLAG_SOCKETP) && 252 (sc->handle[1].flags & PCIC_FLAG_SOCKETP)) 253 printf("sockets A and B\n"); 254 else if (sc->handle[0].flags & PCIC_FLAG_SOCKETP) 255 printf("socket A only\n"); 256 else 257 printf("socket B only\n"); 258 259 if (sc->handle[0].flags & PCIC_FLAG_SOCKETP) 260 sc->handle[0].vendor = vendor; 261 if (sc->handle[1].flags & PCIC_FLAG_SOCKETP) 262 sc->handle[1].vendor = vendor; 263 } 264 if ((sc->handle[2].flags & PCIC_FLAG_SOCKETP) || 265 (sc->handle[3].flags & PCIC_FLAG_SOCKETP)) { 266 vendor = pcic_vendor(&sc->handle[2]); 267 268 printf("%s: controller 1 (%s) has ", sc->dev.dv_xname, 269 pcic_vendor_to_string(vendor)); 270 271 if ((sc->handle[2].flags & PCIC_FLAG_SOCKETP) && 272 (sc->handle[3].flags & PCIC_FLAG_SOCKETP)) 273 printf("sockets A and B\n"); 274 else if (sc->handle[2].flags & PCIC_FLAG_SOCKETP) 275 printf("socket A only\n"); 276 else 277 printf("socket B only\n"); 278 279 if (sc->handle[2].flags & PCIC_FLAG_SOCKETP) 280 sc->handle[2].vendor = vendor; 281 if (sc->handle[3].flags & PCIC_FLAG_SOCKETP) 282 sc->handle[3].vendor = vendor; 283 } 284 } 285 286 void 287 pcic_attach_sockets(sc) 288 struct pcic_softc *sc; 289 { 290 int i; 291 292 for (i = 0; i < PCIC_NSLOTS; i++) 293 if (sc->handle[i].flags & PCIC_FLAG_SOCKETP) 294 pcic_attach_socket(&sc->handle[i]); 295 } 296 297 void 298 pcic_attach_socket(h) 299 struct pcic_handle *h; 300 { 301 struct pcmciabus_attach_args paa; 302 303 /* initialize the rest of the handle */ 304 305 h->memalloc = 0; 306 h->ioalloc = 0; 307 h->ih_irq = 0; 308 309 /* now, config one pcmcia device per socket */ 310 311 paa.pct = (pcmcia_chipset_tag_t) h->sc->pct; 312 paa.pch = (pcmcia_chipset_handle_t) h; 313 paa.iobase = h->sc->iobase; 314 paa.iosize = h->sc->iosize; 315 316 h->pcmcia = config_found_sm(&h->sc->dev, &paa, pcic_print, 317 pcic_submatch); 318 319 /* if there's actually a pcmcia device attached, initialize the slot */ 320 321 if (h->pcmcia) 322 pcic_init_socket(h); 323 } 324 325 void 326 pcic_init_socket(h) 327 struct pcic_handle *h; 328 { 329 int reg; 330 331 /* set up the card to interrupt on card detect */ 332 333 pcic_write(h, PCIC_CSC_INTR, (h->sc->irq << PCIC_CSC_INTR_IRQ_SHIFT) | 334 PCIC_CSC_INTR_CD_ENABLE); 335 pcic_write(h, PCIC_INTR, 0); 336 pcic_read(h, PCIC_CSC); 337 338 /* unsleep the cirrus controller */ 339 340 if ((h->vendor == PCIC_VENDOR_CIRRUS_PD6710) || 341 (h->vendor == PCIC_VENDOR_CIRRUS_PD672X)) { 342 reg = pcic_read(h, PCIC_CIRRUS_MISC_CTL_2); 343 if (reg & PCIC_CIRRUS_MISC_CTL_2_SUSPEND) { 344 DPRINTF(("%s: socket %02x was suspended\n", 345 h->sc->dev.dv_xname, h->sock)); 346 reg &= ~PCIC_CIRRUS_MISC_CTL_2_SUSPEND; 347 pcic_write(h, PCIC_CIRRUS_MISC_CTL_2, reg); 348 } 349 } 350 /* if there's a card there, then attach it. */ 351 352 reg = pcic_read(h, PCIC_IF_STATUS); 353 354 if ((reg & PCIC_IF_STATUS_CARDDETECT_MASK) == 355 PCIC_IF_STATUS_CARDDETECT_PRESENT) 356 pcic_attach_card(h); 357 } 358 359 int 360 pcic_submatch(parent, cf, aux) 361 struct device *parent; 362 struct cfdata *cf; 363 void *aux; 364 { 365 366 struct pcmciabus_attach_args *paa = aux; 367 struct pcic_handle *h = (struct pcic_handle *) paa->pch; 368 369 switch (h->sock) { 370 case C0SA: 371 if (cf->cf_loc[PCICCF_CONTROLLER] != 372 PCICCF_CONTROLLER_DEFAULT && 373 cf->cf_loc[PCICCF_CONTROLLER] != 0) 374 return 0; 375 if (cf->cf_loc[PCICCF_SOCKET] != PCICCF_SOCKET_DEFAULT && 376 cf->cf_loc[PCICCF_SOCKET] != 0) 377 return 0; 378 379 break; 380 case C0SB: 381 if (cf->cf_loc[PCICCF_CONTROLLER] != 382 PCICCF_CONTROLLER_DEFAULT && 383 cf->cf_loc[PCICCF_CONTROLLER] != 0) 384 return 0; 385 if (cf->cf_loc[PCICCF_SOCKET] != PCICCF_SOCKET_DEFAULT && 386 cf->cf_loc[PCICCF_SOCKET] != 1) 387 return 0; 388 389 break; 390 case C1SA: 391 if (cf->cf_loc[PCICCF_CONTROLLER] != 392 PCICCF_CONTROLLER_DEFAULT && 393 cf->cf_loc[PCICCF_CONTROLLER] != 1) 394 return 0; 395 if (cf->cf_loc[PCICCF_SOCKET] != PCICCF_SOCKET_DEFAULT && 396 cf->cf_loc[PCICCF_SOCKET] != 0) 397 return 0; 398 399 break; 400 case C1SB: 401 if (cf->cf_loc[PCICCF_CONTROLLER] != 402 PCICCF_CONTROLLER_DEFAULT && 403 cf->cf_loc[PCICCF_CONTROLLER] != 1) 404 return 0; 405 if (cf->cf_loc[PCICCF_SOCKET] != PCICCF_SOCKET_DEFAULT && 406 cf->cf_loc[PCICCF_SOCKET] != 1) 407 return 0; 408 409 break; 410 default: 411 panic("unknown pcic socket"); 412 } 413 414 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 415 } 416 417 int 418 pcic_print(arg, pnp) 419 void *arg; 420 const char *pnp; 421 { 422 struct pcmciabus_attach_args *paa = arg; 423 struct pcic_handle *h = (struct pcic_handle *) paa->pch; 424 425 /* Only "pcmcia"s can attach to "pcic"s... easy. */ 426 if (pnp) 427 printf("pcmcia at %s", pnp); 428 429 switch (h->sock) { 430 case C0SA: 431 printf(" controller 0 socket 0"); 432 break; 433 case C0SB: 434 printf(" controller 0 socket 1"); 435 break; 436 case C1SA: 437 printf(" controller 1 socket 0"); 438 break; 439 case C1SB: 440 printf(" controller 1 socket 1"); 441 break; 442 default: 443 panic("unknown pcic socket"); 444 } 445 446 return (UNCONF); 447 } 448 449 int 450 pcic_intr(arg) 451 void *arg; 452 { 453 struct pcic_softc *sc = arg; 454 int i, ret = 0; 455 456 DPRINTF(("%s: intr\n", sc->dev.dv_xname)); 457 458 for (i = 0; i < PCIC_NSLOTS; i++) 459 if (sc->handle[i].flags & PCIC_FLAG_SOCKETP) 460 ret += pcic_intr_socket(&sc->handle[i]); 461 462 return (ret ? 1 : 0); 463 } 464 465 int 466 pcic_intr_socket(h) 467 struct pcic_handle *h; 468 { 469 int cscreg; 470 471 cscreg = pcic_read(h, PCIC_CSC); 472 473 cscreg &= (PCIC_CSC_GPI | 474 PCIC_CSC_CD | 475 PCIC_CSC_READY | 476 PCIC_CSC_BATTWARN | 477 PCIC_CSC_BATTDEAD); 478 479 if (cscreg & PCIC_CSC_GPI) { 480 DPRINTF(("%s: %02x GPI\n", h->sc->dev.dv_xname, h->sock)); 481 } 482 if (cscreg & PCIC_CSC_CD) { 483 int statreg; 484 485 statreg = pcic_read(h, PCIC_IF_STATUS); 486 487 DPRINTF(("%s: %02x CD %x\n", h->sc->dev.dv_xname, h->sock, 488 statreg)); 489 490 /* 491 * XXX This should probably schedule something to happen 492 * after the interrupt handler completes 493 */ 494 495 if ((statreg & PCIC_IF_STATUS_CARDDETECT_MASK) == 496 PCIC_IF_STATUS_CARDDETECT_PRESENT) { 497 if (!(h->flags & PCIC_FLAG_CARDP)) 498 pcic_attach_card(h); 499 } else { 500 if (h->flags & PCIC_FLAG_CARDP) 501 pcic_detach_card(h); 502 } 503 } 504 if (cscreg & PCIC_CSC_READY) { 505 DPRINTF(("%s: %02x READY\n", h->sc->dev.dv_xname, h->sock)); 506 /* shouldn't happen */ 507 } 508 if (cscreg & PCIC_CSC_BATTWARN) { 509 DPRINTF(("%s: %02x BATTWARN\n", h->sc->dev.dv_xname, h->sock)); 510 } 511 if (cscreg & PCIC_CSC_BATTDEAD) { 512 DPRINTF(("%s: %02x BATTDEAD\n", h->sc->dev.dv_xname, h->sock)); 513 } 514 return (cscreg ? 1 : 0); 515 } 516 517 void 518 pcic_attach_card(h) 519 struct pcic_handle *h; 520 { 521 if (h->flags & PCIC_FLAG_CARDP) 522 panic("pcic_attach_card: already attached"); 523 524 /* call the MI attach function */ 525 526 pcmcia_card_attach(h->pcmcia); 527 528 h->flags |= PCIC_FLAG_CARDP; 529 } 530 531 void 532 pcic_detach_card(h) 533 struct pcic_handle *h; 534 { 535 if (!(h->flags & PCIC_FLAG_CARDP)) 536 panic("pcic_attach_card: already detached"); 537 538 h->flags &= ~PCIC_FLAG_CARDP; 539 540 /* call the MI attach function */ 541 542 pcmcia_card_detach(h->pcmcia); 543 544 /* disable card detect resume and configuration reset */ 545 546 /* power down the socket */ 547 548 pcic_write(h, PCIC_PWRCTL, 0); 549 550 /* reset the card */ 551 552 pcic_write(h, PCIC_INTR, 0); 553 } 554 555 int 556 pcic_chip_mem_alloc(pch, size, pcmhp) 557 pcmcia_chipset_handle_t pch; 558 bus_size_t size; 559 struct pcmcia_mem_handle *pcmhp; 560 { 561 struct pcic_handle *h = (struct pcic_handle *) pch; 562 bus_space_handle_t memh; 563 bus_addr_t addr; 564 bus_size_t sizepg; 565 int i, mask, mhandle; 566 567 /* out of sc->memh, allocate as many pages as necessary */ 568 569 /* convert size to PCIC pages */ 570 sizepg = (size + (PCIC_MEM_ALIGN - 1)) / PCIC_MEM_ALIGN; 571 572 mask = (1 << sizepg) - 1; 573 574 addr = 0; /* XXX gcc -Wuninitialized */ 575 mhandle = 0; /* XXX gcc -Wuninitialized */ 576 577 for (i = 0; i < (PCIC_MEM_PAGES + 1 - sizepg); i++) { 578 if ((h->sc->subregionmask & (mask << i)) == (mask << i)) { 579 if (bus_space_subregion(h->sc->memt, h->sc->memh, 580 i * PCIC_MEM_PAGESIZE, 581 sizepg * PCIC_MEM_PAGESIZE, &memh)) 582 return (1); 583 mhandle = mask << i; 584 addr = h->sc->membase + (i * PCIC_MEM_PAGESIZE); 585 h->sc->subregionmask &= ~(mhandle); 586 break; 587 } 588 } 589 590 if (i == (PCIC_MEM_PAGES + 1 - size)) 591 return (1); 592 593 DPRINTF(("pcic_chip_mem_alloc bus addr 0x%lx+0x%lx\n", (u_long) addr, 594 (u_long) size)); 595 596 pcmhp->memt = h->sc->memt; 597 pcmhp->memh = memh; 598 pcmhp->addr = addr; 599 pcmhp->size = size; 600 pcmhp->mhandle = mhandle; 601 pcmhp->realsize = sizepg * PCIC_MEM_PAGESIZE; 602 603 return (0); 604 } 605 606 void 607 pcic_chip_mem_free(pch, pcmhp) 608 pcmcia_chipset_handle_t pch; 609 struct pcmcia_mem_handle *pcmhp; 610 { 611 struct pcic_handle *h = (struct pcic_handle *) pch; 612 613 h->sc->subregionmask |= pcmhp->mhandle; 614 } 615 616 static struct mem_map_index_st { 617 int sysmem_start_lsb; 618 int sysmem_start_msb; 619 int sysmem_stop_lsb; 620 int sysmem_stop_msb; 621 int cardmem_lsb; 622 int cardmem_msb; 623 int memenable; 624 } mem_map_index[] = { 625 { 626 PCIC_SYSMEM_ADDR0_START_LSB, 627 PCIC_SYSMEM_ADDR0_START_MSB, 628 PCIC_SYSMEM_ADDR0_STOP_LSB, 629 PCIC_SYSMEM_ADDR0_STOP_MSB, 630 PCIC_CARDMEM_ADDR0_LSB, 631 PCIC_CARDMEM_ADDR0_MSB, 632 PCIC_ADDRWIN_ENABLE_MEM0, 633 }, 634 { 635 PCIC_SYSMEM_ADDR1_START_LSB, 636 PCIC_SYSMEM_ADDR1_START_MSB, 637 PCIC_SYSMEM_ADDR1_STOP_LSB, 638 PCIC_SYSMEM_ADDR1_STOP_MSB, 639 PCIC_CARDMEM_ADDR1_LSB, 640 PCIC_CARDMEM_ADDR1_MSB, 641 PCIC_ADDRWIN_ENABLE_MEM1, 642 }, 643 { 644 PCIC_SYSMEM_ADDR2_START_LSB, 645 PCIC_SYSMEM_ADDR2_START_MSB, 646 PCIC_SYSMEM_ADDR2_STOP_LSB, 647 PCIC_SYSMEM_ADDR2_STOP_MSB, 648 PCIC_CARDMEM_ADDR2_LSB, 649 PCIC_CARDMEM_ADDR2_MSB, 650 PCIC_ADDRWIN_ENABLE_MEM2, 651 }, 652 { 653 PCIC_SYSMEM_ADDR3_START_LSB, 654 PCIC_SYSMEM_ADDR3_START_MSB, 655 PCIC_SYSMEM_ADDR3_STOP_LSB, 656 PCIC_SYSMEM_ADDR3_STOP_MSB, 657 PCIC_CARDMEM_ADDR3_LSB, 658 PCIC_CARDMEM_ADDR3_MSB, 659 PCIC_ADDRWIN_ENABLE_MEM3, 660 }, 661 { 662 PCIC_SYSMEM_ADDR4_START_LSB, 663 PCIC_SYSMEM_ADDR4_START_MSB, 664 PCIC_SYSMEM_ADDR4_STOP_LSB, 665 PCIC_SYSMEM_ADDR4_STOP_MSB, 666 PCIC_CARDMEM_ADDR4_LSB, 667 PCIC_CARDMEM_ADDR4_MSB, 668 PCIC_ADDRWIN_ENABLE_MEM4, 669 }, 670 }; 671 672 void 673 pcic_chip_do_mem_map(h, win) 674 struct pcic_handle *h; 675 int win; 676 { 677 int reg; 678 679 pcic_write(h, mem_map_index[win].sysmem_start_lsb, 680 (h->mem[win].addr >> PCIC_SYSMEM_ADDRX_SHIFT) & 0xff); 681 pcic_write(h, mem_map_index[win].sysmem_start_msb, 682 ((h->mem[win].addr >> (PCIC_SYSMEM_ADDRX_SHIFT + 8)) & 683 PCIC_SYSMEM_ADDRX_START_MSB_ADDR_MASK)); 684 685 #if 0 686 /* XXX do I want 16 bit all the time? */ 687 PCIC_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT; 688 #endif 689 690 pcic_write(h, mem_map_index[win].sysmem_stop_lsb, 691 ((h->mem[win].addr + h->mem[win].size) >> 692 PCIC_SYSMEM_ADDRX_SHIFT) & 0xff); 693 pcic_write(h, mem_map_index[win].sysmem_stop_msb, 694 (((h->mem[win].addr + h->mem[win].size) >> 695 (PCIC_SYSMEM_ADDRX_SHIFT + 8)) & 696 PCIC_SYSMEM_ADDRX_STOP_MSB_ADDR_MASK) | 697 PCIC_SYSMEM_ADDRX_STOP_MSB_WAIT2); 698 699 pcic_write(h, mem_map_index[win].cardmem_lsb, 700 (h->mem[win].offset >> PCIC_CARDMEM_ADDRX_SHIFT) & 0xff); 701 pcic_write(h, mem_map_index[win].cardmem_msb, 702 ((h->mem[win].offset >> (PCIC_CARDMEM_ADDRX_SHIFT + 8)) & 703 PCIC_CARDMEM_ADDRX_MSB_ADDR_MASK) | 704 ((h->mem[win].kind == PCMCIA_MEM_ATTR) ? 705 PCIC_CARDMEM_ADDRX_MSB_REGACTIVE_ATTR : 0)); 706 707 reg = pcic_read(h, PCIC_ADDRWIN_ENABLE); 708 reg |= (mem_map_index[win].memenable | PCIC_ADDRWIN_ENABLE_MEMCS16); 709 pcic_write(h, PCIC_ADDRWIN_ENABLE, reg); 710 711 #ifdef PCICDEBUG 712 { 713 int r1, r2, r3, r4, r5, r6; 714 715 r1 = pcic_read(h, mem_map_index[win].sysmem_start_msb); 716 r2 = pcic_read(h, mem_map_index[win].sysmem_start_lsb); 717 r3 = pcic_read(h, mem_map_index[win].sysmem_stop_msb); 718 r4 = pcic_read(h, mem_map_index[win].sysmem_stop_lsb); 719 r5 = pcic_read(h, mem_map_index[win].cardmem_msb); 720 r6 = pcic_read(h, mem_map_index[win].cardmem_lsb); 721 722 DPRINTF(("pcic_chip_do_mem_map window %d: %02x%02x %02x%02x " 723 "%02x%02x\n", win, r1, r2, r3, r4, r5, r6)); 724 } 725 #endif 726 } 727 728 int 729 pcic_chip_mem_map(pch, kind, card_addr, size, pcmhp, offsetp, windowp) 730 pcmcia_chipset_handle_t pch; 731 int kind; 732 bus_addr_t card_addr; 733 bus_size_t size; 734 struct pcmcia_mem_handle *pcmhp; 735 bus_addr_t *offsetp; 736 int *windowp; 737 { 738 struct pcic_handle *h = (struct pcic_handle *) pch; 739 bus_addr_t busaddr; 740 long card_offset; 741 int i, win; 742 743 win = -1; 744 for (i = 0; i < (sizeof(mem_map_index) / sizeof(mem_map_index[0])); 745 i++) { 746 if ((h->memalloc & (1 << i)) == 0) { 747 win = i; 748 h->memalloc |= (1 << i); 749 break; 750 } 751 } 752 753 if (win == -1) 754 return (1); 755 756 *windowp = win; 757 758 /* XXX this is pretty gross */ 759 760 if (h->sc->memt != pcmhp->memt) 761 panic("pcic_chip_mem_map memt is bogus"); 762 763 busaddr = pcmhp->addr; 764 765 /* 766 * compute the address offset to the pcmcia address space for the 767 * pcic. this is intentionally signed. The masks and shifts below 768 * will cause TRT to happen in the pcic registers. Deal with making 769 * sure the address is aligned, and return the alignment offset. 770 */ 771 772 *offsetp = card_addr % PCIC_MEM_ALIGN; 773 card_addr -= *offsetp; 774 775 DPRINTF(("pcic_chip_mem_map window %d bus %lx+%lx+%lx at card addr " 776 "%lx\n", win, (u_long) busaddr, (u_long) * offsetp, (u_long) size, 777 (u_long) card_addr)); 778 779 /* 780 * include the offset in the size, and decrement size by one, since 781 * the hw wants start/stop 782 */ 783 size += *offsetp - 1; 784 785 card_offset = (((long) card_addr) - ((long) busaddr)); 786 787 h->mem[win].addr = busaddr; 788 h->mem[win].size = size; 789 h->mem[win].offset = card_offset; 790 h->mem[win].kind = kind; 791 792 pcic_chip_do_mem_map(h, win); 793 794 return (0); 795 } 796 797 void 798 pcic_chip_mem_unmap(pch, window) 799 pcmcia_chipset_handle_t pch; 800 int window; 801 { 802 struct pcic_handle *h = (struct pcic_handle *) pch; 803 int reg; 804 805 if (window >= (sizeof(mem_map_index) / sizeof(mem_map_index[0]))) 806 panic("pcic_chip_mem_unmap: window out of range"); 807 808 reg = pcic_read(h, PCIC_ADDRWIN_ENABLE); 809 reg &= ~mem_map_index[window].memenable; 810 pcic_write(h, PCIC_ADDRWIN_ENABLE, reg); 811 812 h->memalloc &= ~(1 << window); 813 } 814 815 int 816 pcic_chip_io_alloc(pch, start, size, align, pcihp) 817 pcmcia_chipset_handle_t pch; 818 bus_addr_t start; 819 bus_size_t size; 820 bus_size_t align; 821 struct pcmcia_io_handle *pcihp; 822 { 823 struct pcic_handle *h = (struct pcic_handle *) pch; 824 bus_space_tag_t iot; 825 bus_space_handle_t ioh; 826 bus_addr_t ioaddr; 827 int flags = 0; 828 829 /* 830 * Allocate some arbitrary I/O space. 831 */ 832 833 iot = h->sc->iot; 834 835 if (start) { 836 ioaddr = start; 837 if (bus_space_map(iot, start, size, 0, &ioh)) 838 return (1); 839 DPRINTF(("pcic_chip_io_alloc map port %lx+%lx\n", 840 (u_long) ioaddr, (u_long) size)); 841 } else { 842 flags |= PCMCIA_IO_ALLOCATED; 843 if (bus_space_alloc(iot, h->sc->iobase, 844 h->sc->iobase + h->sc->iosize, size, align, 0, 0, 845 &ioaddr, &ioh)) 846 return (1); 847 DPRINTF(("pcic_chip_io_alloc alloc port %lx+%lx\n", 848 (u_long) ioaddr, (u_long) size)); 849 } 850 851 pcihp->iot = iot; 852 pcihp->ioh = ioh; 853 pcihp->addr = ioaddr; 854 pcihp->size = size; 855 pcihp->flags = flags; 856 857 return (0); 858 } 859 860 void 861 pcic_chip_io_free(pch, pcihp) 862 pcmcia_chipset_handle_t pch; 863 struct pcmcia_io_handle *pcihp; 864 { 865 bus_space_tag_t iot = pcihp->iot; 866 bus_space_handle_t ioh = pcihp->ioh; 867 bus_size_t size = pcihp->size; 868 869 if (pcihp->flags & PCMCIA_IO_ALLOCATED) 870 bus_space_free(iot, ioh, size); 871 else 872 bus_space_unmap(iot, ioh, size); 873 } 874 875 876 static struct io_map_index_st { 877 int start_lsb; 878 int start_msb; 879 int stop_lsb; 880 int stop_msb; 881 int ioenable; 882 int ioctlmask; 883 int ioctlbits[3]; /* indexed by PCMCIA_WIDTH_* */ 884 } io_map_index[] = { 885 { 886 PCIC_IOADDR0_START_LSB, 887 PCIC_IOADDR0_START_MSB, 888 PCIC_IOADDR0_STOP_LSB, 889 PCIC_IOADDR0_STOP_MSB, 890 PCIC_ADDRWIN_ENABLE_IO0, 891 PCIC_IOCTL_IO0_WAITSTATE | PCIC_IOCTL_IO0_ZEROWAIT | 892 PCIC_IOCTL_IO0_IOCS16SRC_MASK | PCIC_IOCTL_IO0_DATASIZE_MASK, 893 { 894 PCIC_IOCTL_IO0_IOCS16SRC_CARD, 895 PCIC_IOCTL_IO0_IOCS16SRC_DATASIZE | 896 PCIC_IOCTL_IO0_DATASIZE_8BIT, 897 PCIC_IOCTL_IO0_IOCS16SRC_DATASIZE | 898 PCIC_IOCTL_IO0_DATASIZE_16BIT, 899 }, 900 }, 901 { 902 PCIC_IOADDR1_START_LSB, 903 PCIC_IOADDR1_START_MSB, 904 PCIC_IOADDR1_STOP_LSB, 905 PCIC_IOADDR1_STOP_MSB, 906 PCIC_ADDRWIN_ENABLE_IO1, 907 PCIC_IOCTL_IO1_WAITSTATE | PCIC_IOCTL_IO1_ZEROWAIT | 908 PCIC_IOCTL_IO1_IOCS16SRC_MASK | PCIC_IOCTL_IO1_DATASIZE_MASK, 909 { 910 PCIC_IOCTL_IO1_IOCS16SRC_CARD, 911 PCIC_IOCTL_IO1_IOCS16SRC_DATASIZE | 912 PCIC_IOCTL_IO1_DATASIZE_8BIT, 913 PCIC_IOCTL_IO1_IOCS16SRC_DATASIZE | 914 PCIC_IOCTL_IO1_DATASIZE_16BIT, 915 }, 916 }, 917 }; 918 919 void 920 pcic_chip_do_io_map(h, win) 921 struct pcic_handle *h; 922 int win; 923 { 924 int reg; 925 926 DPRINTF(("pcic_chip_do_io_map win %d addr %lx size %lx width %d\n", 927 win, (long) h->io[win].addr, (long) h->io[win].size, 928 h->io[win].width * 8)); 929 930 pcic_write(h, io_map_index[win].start_lsb, h->io[win].addr & 0xff); 931 pcic_write(h, io_map_index[win].start_msb, 932 (h->io[win].addr >> 8) & 0xff); 933 934 pcic_write(h, io_map_index[win].stop_lsb, 935 (h->io[win].addr + h->io[win].size - 1) & 0xff); 936 pcic_write(h, io_map_index[win].stop_msb, 937 ((h->io[win].addr + h->io[win].size - 1) >> 8) & 0xff); 938 939 reg = pcic_read(h, PCIC_IOCTL); 940 reg &= ~io_map_index[win].ioctlmask; 941 reg |= io_map_index[win].ioctlbits[h->io[win].width]; 942 pcic_write(h, PCIC_IOCTL, reg); 943 944 reg = pcic_read(h, PCIC_ADDRWIN_ENABLE); 945 reg |= io_map_index[win].ioenable; 946 pcic_write(h, PCIC_ADDRWIN_ENABLE, reg); 947 } 948 949 int 950 pcic_chip_io_map(pch, width, offset, size, pcihp, windowp) 951 pcmcia_chipset_handle_t pch; 952 int width; 953 bus_addr_t offset; 954 bus_size_t size; 955 struct pcmcia_io_handle *pcihp; 956 int *windowp; 957 { 958 struct pcic_handle *h = (struct pcic_handle *) pch; 959 bus_addr_t ioaddr = pcihp->addr + offset; 960 int i, win; 961 #ifdef PCICDEBUG 962 static char *width_names[] = { "auto", "io8", "io16" }; 963 #endif 964 965 /* XXX Sanity check offset/size. */ 966 967 win = -1; 968 for (i = 0; i < (sizeof(io_map_index) / sizeof(io_map_index[0])); i++) { 969 if ((h->ioalloc & (1 << i)) == 0) { 970 win = i; 971 h->ioalloc |= (1 << i); 972 break; 973 } 974 } 975 976 if (win == -1) 977 return (1); 978 979 *windowp = win; 980 981 /* XXX this is pretty gross */ 982 983 if (h->sc->iot != pcihp->iot) 984 panic("pcic_chip_io_map iot is bogus"); 985 986 DPRINTF(("pcic_chip_io_map window %d %s port %lx+%lx\n", 987 win, width_names[width], (u_long) ioaddr, (u_long) size)); 988 989 /* XXX wtf is this doing here? */ 990 991 printf(" port 0x%lx", (u_long) ioaddr); 992 if (size > 1) 993 printf("-0x%lx", (u_long) ioaddr + (u_long) size - 1); 994 995 h->io[win].addr = ioaddr; 996 h->io[win].size = size; 997 h->io[win].width = width; 998 999 pcic_chip_do_io_map(h, win); 1000 1001 return (0); 1002 } 1003 1004 void 1005 pcic_chip_io_unmap(pch, window) 1006 pcmcia_chipset_handle_t pch; 1007 int window; 1008 { 1009 struct pcic_handle *h = (struct pcic_handle *) pch; 1010 int reg; 1011 1012 if (window >= (sizeof(io_map_index) / sizeof(io_map_index[0]))) 1013 panic("pcic_chip_io_unmap: window out of range"); 1014 1015 reg = pcic_read(h, PCIC_ADDRWIN_ENABLE); 1016 reg &= ~io_map_index[window].ioenable; 1017 pcic_write(h, PCIC_ADDRWIN_ENABLE, reg); 1018 1019 h->ioalloc &= ~(1 << window); 1020 } 1021 1022 static void 1023 pcic_wait_ready(h) 1024 struct pcic_handle *h; 1025 { 1026 int i; 1027 1028 for (i = 0; i < 10000; i++) { 1029 if (pcic_read(h, PCIC_IF_STATUS) & PCIC_IF_STATUS_READY) 1030 return; 1031 delay(500); 1032 #ifdef PCICDEBUG 1033 if (pcic_debug) { 1034 if ((i>5000) && (i%100 == 99)) 1035 printf("."); 1036 } 1037 #endif 1038 } 1039 1040 #ifdef DIAGNOSTIC 1041 printf("pcic_wait_ready: ready never happened, status = %02x\n", 1042 pcic_read(h, PCIC_IF_STATUS)); 1043 #endif 1044 } 1045 1046 void 1047 pcic_chip_socket_enable(pch) 1048 pcmcia_chipset_handle_t pch; 1049 { 1050 struct pcic_handle *h = (struct pcic_handle *) pch; 1051 int cardtype, reg, win; 1052 1053 /* this bit is mostly stolen from pcic_attach_card */ 1054 1055 /* power down the socket to reset it, clear the card reset pin */ 1056 1057 pcic_write(h, PCIC_PWRCTL, 0); 1058 1059 /* 1060 * wait 300ms until power fails (Tpf). Then, wait 100ms since 1061 * we are changing Vcc (Toff). 1062 */ 1063 delay((300 + 100) * 1000); 1064 1065 /* power up the socket */ 1066 1067 pcic_write(h, PCIC_PWRCTL, PCIC_PWRCTL_PWR_ENABLE); 1068 1069 /* 1070 * wait 100ms until power raise (Tpr) and 20ms to become 1071 * stable (Tsu(Vcc)). 1072 */ 1073 delay((100 + 20) * 1000); 1074 1075 pcic_write(h, PCIC_PWRCTL, PCIC_PWRCTL_PWR_ENABLE | PCIC_PWRCTL_OE); 1076 1077 /* 1078 * hold RESET at least 10us. 1079 */ 1080 delay(10); 1081 1082 /* clear the reset flag */ 1083 1084 pcic_write(h, PCIC_INTR, PCIC_INTR_RESET); 1085 1086 /* wait 20ms as per pc card standard (r2.01) section 4.3.6 */ 1087 1088 delay(20000); 1089 1090 /* wait for the chip to finish initializing */ 1091 1092 pcic_wait_ready(h); 1093 1094 /* zero out the address windows */ 1095 1096 pcic_write(h, PCIC_ADDRWIN_ENABLE, 0); 1097 1098 /* set the card type */ 1099 1100 cardtype = pcmcia_card_gettype(h->pcmcia); 1101 1102 reg = pcic_read(h, PCIC_INTR); 1103 reg &= ~PCIC_INTR_CARDTYPE_MASK; 1104 reg |= ((cardtype == PCMCIA_IFTYPE_IO) ? 1105 PCIC_INTR_CARDTYPE_IO : 1106 PCIC_INTR_CARDTYPE_MEM); 1107 reg |= h->ih_irq; 1108 pcic_write(h, PCIC_INTR, reg); 1109 1110 DPRINTF(("%s: pcic_chip_socket_enable %02x cardtype %s %02x\n", 1111 h->sc->dev.dv_xname, h->sock, 1112 ((cardtype == PCMCIA_IFTYPE_IO) ? "io" : "mem"), reg)); 1113 1114 /* reinstall all the memory and io mappings */ 1115 1116 for (win = 0; win < PCIC_MEM_WINS; win++) 1117 if (h->memalloc & (1 << win)) 1118 pcic_chip_do_mem_map(h, win); 1119 1120 for (win = 0; win < PCIC_IO_WINS; win++) 1121 if (h->ioalloc & (1 << win)) 1122 pcic_chip_do_io_map(h, win); 1123 } 1124 1125 void 1126 pcic_chip_socket_disable(pch) 1127 pcmcia_chipset_handle_t pch; 1128 { 1129 struct pcic_handle *h = (struct pcic_handle *) pch; 1130 1131 DPRINTF(("pcic_chip_socket_disable\n")); 1132 1133 /* power down the socket */ 1134 1135 pcic_write(h, PCIC_PWRCTL, 0); 1136 1137 /* 1138 * wait 300ms until power fails (Tpf). 1139 */ 1140 delay(300 * 1000); 1141 } 1142
Indexes created Mon Sep 29 13:09:55 GMT 2025