p5pb.c revision 1.12
1 /* $NetBSD: p5pb.c,v 1.12 2012/10/27 17:17:34 chs Exp $ */ 2 3 /*- 4 * Copyright (c) 2011, 2012 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Radoslaw Kujawa. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/types.h> 33 #include <sys/param.h> 34 #include <sys/time.h> 35 #include <sys/systm.h> 36 #include <sys/errno.h> 37 #include <sys/device.h> 38 #include <sys/malloc.h> 39 #include <sys/kmem.h> 40 #include <sys/extent.h> 41 42 #include <uvm/uvm_extern.h> 43 44 #define _M68K_BUS_DMA_PRIVATE 45 #include <machine/bus.h> 46 #include <machine/cpu.h> 47 48 #include <m68k/bus_dma.h> 49 #include <amiga/dev/zbusvar.h> 50 #include <amiga/dev/p5busvar.h> 51 #include <amiga/pci/p5pbreg.h> 52 #include <amiga/pci/p5pbvar.h> 53 #include <amiga/pci/p5membarvar.h> 54 55 #include <dev/pci/pcivar.h> 56 #include <dev/pci/pcireg.h> 57 #include <dev/pci/pcidevs.h> 58 #ifdef PCI_NETBSD_CONFIGURE 59 #include <dev/pci/pciconf.h> 60 #endif /* PCI_NETBSD_CONFIGURE */ 61 62 #include "opt_p5pb.h" 63 #include "opt_pci.h" 64 65 /* Initial CVPPC/BVPPC resolution as configured by the firmware */ 66 #define P5GFX_WIDTH 640 67 #define P5GFX_HEIGHT 480 68 #define P5GFX_DEPTH 8 69 #define P5GFX_LINEBYTES 640 70 71 struct m68k_bus_dma_tag p5pb_bus_dma_tag = { 72 0, 73 0, 74 _bus_dmamap_create, 75 _bus_dmamap_destroy, 76 _bus_dmamap_load_direct, 77 _bus_dmamap_load_mbuf_direct, 78 _bus_dmamap_load_uio_direct, 79 _bus_dmamap_load_raw_direct, 80 _bus_dmamap_unload, 81 _bus_dmamap_sync, 82 _bus_dmamem_alloc, 83 _bus_dmamem_free, 84 _bus_dmamem_map, 85 _bus_dmamem_unmap, 86 _bus_dmamem_mmap 87 }; 88 89 static int p5pb_match(device_t, cfdata_t, void *); 90 static void p5pb_attach(device_t, device_t, void *); 91 void p5pb_set_props(struct p5pb_softc *); 92 pcireg_t p5pb_pci_conf_read(pci_chipset_tag_t, pcitag_t, int); 93 void p5pb_pci_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t); 94 int p5pb_pci_bus_maxdevs_cvppc(pci_chipset_tag_t, int); 95 int p5pb_pci_bus_maxdevs_grex1200(pci_chipset_tag_t, int); 96 int p5pb_pci_bus_maxdevs_grex4000(pci_chipset_tag_t, int); 97 int p5pb_pci_conf_hook(pci_chipset_tag_t, int, int, int, pcireg_t); 98 void p5pb_pci_attach_hook (device_t, device_t, 99 struct pcibus_attach_args *); 100 pcitag_t p5pb_pci_make_tag(pci_chipset_tag_t, int, int, int); 101 void p5pb_pci_decompose_tag(pci_chipset_tag_t, pcitag_t, 102 int *, int *, int *); 103 int p5pb_pci_intr_map(const struct pci_attach_args *, 104 pci_intr_handle_t *); 105 bool p5pb_bus_map_memio(struct p5pb_softc *); 106 bool p5pb_bus_map_conf(struct p5pb_softc *); 107 uint8_t p5pb_find_resources(struct p5pb_softc *); 108 static bool p5pb_identify_bridge(struct p5pb_softc *); 109 void p5pb_membar_grex(struct p5pb_softc *); 110 static bool p5pb_cvppc_probe(struct p5pb_softc *); 111 #ifdef PCI_NETBSD_CONFIGURE 112 bool p5pb_bus_reconfigure(struct p5pb_softc *); 113 #endif /* PCI_NETBSD_CONFIGURE */ 114 #ifdef P5PB_DEBUG 115 void p5pb_usable_ranges(struct p5pb_softc *); 116 void p5pb_badaddr_range(struct p5pb_softc *, bus_space_tag_t, 117 bus_addr_t, size_t); 118 void p5pb_conf_search(struct p5pb_softc *, uint16_t); 119 #endif /* P5PB_DEBUG */ 120 121 CFATTACH_DECL_NEW(p5pb, sizeof(struct p5pb_softc), 122 p5pb_match, p5pb_attach, NULL, NULL); 123 124 static int 125 p5pb_match(device_t parent, cfdata_t cf, void *aux) 126 { 127 struct p5bus_attach_args *p5baa; 128 129 p5baa = (struct p5bus_attach_args *) aux; 130 131 if (strcmp(p5baa->p5baa_name, "p5pb") == 0) 132 return 1; 133 134 return 0; 135 } 136 137 static void 138 p5pb_attach(device_t parent, device_t self, void *aux) 139 { 140 struct p5pb_softc *sc; 141 struct pcibus_attach_args pba; 142 143 sc = device_private(self); 144 sc->sc_dev = self; 145 sc->p5baa = (struct p5bus_attach_args *) aux; 146 147 pci_chipset_tag_t pc = &sc->apc; 148 149 if (!p5pb_bus_map_conf(sc)) { 150 aprint_error_dev(self, 151 "couldn't map PCI configuration space\n"); 152 return; 153 } 154 155 if (!p5pb_identify_bridge(sc)) { 156 return; 157 } 158 159 if (sc->bridge_type == P5PB_BRIDGE_CVPPC) { 160 sc->pci_mem_lowest = P5BUS_PCI_MEM_BASE; 161 sc->pci_mem_highest = P5BUS_PCI_MEM_BASE + P5BUS_PCI_MEM_SIZE; 162 } else { 163 p5pb_membar_grex(sc); 164 } 165 166 if (!p5pb_bus_map_memio(sc)) { 167 aprint_error_dev(self, 168 "couldn't map PCI I/O and memory space\n"); 169 return; 170 } 171 172 #ifdef P5PB_DEBUG 173 aprint_normal("p5pb: map conf %x -> %x, io %x -> %x, mem %x -> %x\n", 174 kvtop((void*) sc->pci_conf_area.base), sc->pci_conf_area.base, 175 kvtop((void*) sc->pci_io_area.base), sc->pci_io_area.base, 176 kvtop((void*) sc->pci_mem_area.base), sc->pci_mem_area.base ); 177 #endif 178 179 /* Initialize the PCI chipset tag. */ 180 181 if (sc->bridge_type == P5PB_BRIDGE_GREX1200) 182 sc->apc.pc_bus_maxdevs = p5pb_pci_bus_maxdevs_grex1200; 183 else if (sc->bridge_type == P5PB_BRIDGE_GREX4000) 184 sc->apc.pc_bus_maxdevs = p5pb_pci_bus_maxdevs_grex4000; 185 else 186 sc->apc.pc_bus_maxdevs = p5pb_pci_bus_maxdevs_cvppc; 187 188 sc->apc.pc_conf_v = (void*) pc; 189 sc->apc.pc_make_tag = amiga_pci_make_tag; 190 sc->apc.pc_decompose_tag = amiga_pci_decompose_tag; 191 sc->apc.pc_conf_read = p5pb_pci_conf_read; 192 sc->apc.pc_conf_write = p5pb_pci_conf_write; 193 sc->apc.pc_conf_hook = p5pb_pci_conf_hook; 194 sc->apc.pc_conf_interrupt = amiga_pci_conf_interrupt; 195 sc->apc.pc_attach_hook = p5pb_pci_attach_hook; 196 197 sc->apc.pc_intr_map = p5pb_pci_intr_map; 198 sc->apc.pc_intr_string = amiga_pci_intr_string; 199 sc->apc.pc_intr_establish = amiga_pci_intr_establish; 200 sc->apc.pc_intr_disestablish = amiga_pci_intr_disestablish; 201 202 #ifdef PCI_NETBSD_CONFIGURE 203 /* Never reconfigure the bus on CVPPC/BVPPC, avoid the fb breakage. */ 204 if (sc->bridge_type != P5PB_BRIDGE_CVPPC) { 205 p5pb_bus_reconfigure(sc); 206 } 207 #endif /* PCI_NETBSD_CONFIGURE */ 208 209 /* Initialize the bus attachment structure. */ 210 211 pba.pba_iot = &(sc->pci_io_area); 212 pba.pba_memt = &(sc->pci_mem_area); 213 pba.pba_dmat = &p5pb_bus_dma_tag; 214 pba.pba_dmat64 = NULL; 215 pba.pba_pc = pc; 216 pba.pba_flags = PCI_FLAGS_MEM_OKAY | PCI_FLAGS_IO_OKAY; 217 pba.pba_bus = 0; 218 pba.pba_bridgetag = NULL; 219 220 p5pb_set_props(sc); 221 222 config_found_ia(self, "pcibus", &pba, pcibusprint); 223 } 224 225 /* 226 * Try to detect what kind of bridge are we dealing with. 227 */ 228 static bool 229 p5pb_identify_bridge(struct p5pb_softc *sc) 230 { 231 int pcires_count; /* Number of AutoConfig(TM) PCI resources */ 232 233 pcires_count = p5pb_find_resources(sc); 234 235 switch (pcires_count) { 236 case 0: 237 /* 238 * Zero AutoConfig(TM) PCI resources, means that there's nothing 239 * OR there's a CVPPC/BVPPC with a pre-44.69 firmware. 240 */ 241 if (p5pb_cvppc_probe(sc)) { 242 sc->bridge_type = P5PB_BRIDGE_CVPPC; 243 aprint_normal(": Phase5 CVPPC/BVPPC PCI bridge\n"); 244 } else { 245 aprint_normal(": no PCI bridges detected\n"); 246 return false; 247 } 248 break; 249 case 6: 250 /* 251 * We have a slight possibility, that there's a CVPPC/BVPPC with 252 * the new firmware. So check for it first. 253 */ 254 if (p5pb_cvppc_probe(sc)) { 255 /* New firmware, treat as one-slot GREX. */ 256 sc->bridge_type = P5PB_BRIDGE_CVPPC; 257 aprint_normal( 258 ": Phase5 CVPPC/BVPPC PCI bridge (44.69/44.71)\n"); 259 break; 260 } 261 default: 262 /* We have a G-REX surely. */ 263 264 if (sc->p5baa->p5baa_cardtype == P5_CARDTYPE_CS) { 265 sc->bridge_type = P5PB_BRIDGE_GREX4000; 266 aprint_normal(": DCE G-REX 4000 PCI bridge\n"); 267 } else { 268 sc->bridge_type = P5PB_BRIDGE_GREX1200; 269 aprint_normal(": DCE G-REX 1200 PCI bridge\n"); 270 } 271 break; 272 } 273 return true; 274 } 275 276 /* 277 * Find AutoConfig(TM) resuorces (for boards running G-REX firmware). Return the 278 * total number of found resources. 279 */ 280 uint8_t 281 p5pb_find_resources(struct p5pb_softc *sc) 282 { 283 uint8_t i, rv; 284 struct p5pb_autoconf_entry *auto_entry; 285 struct p5membar_softc *membar_sc; 286 device_t p5membar_dev; 287 288 rv = 0; 289 290 TAILQ_INIT(&sc->auto_bars); 291 292 /* 255 should be enough for everybody */ 293 for(i = 0; i < 255; i++) { 294 295 if ((p5membar_dev = 296 device_find_by_driver_unit("p5membar", i)) != NULL) { 297 298 rv++; 299 300 membar_sc = device_private(p5membar_dev); 301 if (membar_sc->sc_type == P5MEMBAR_TYPE_INTERNAL) 302 continue; 303 304 auto_entry = 305 kmem_alloc(sizeof(struct p5pb_autoconf_entry), 306 KM_SLEEP); 307 308 auto_entry->base = membar_sc->sc_base; 309 auto_entry->size = membar_sc->sc_size; 310 311 TAILQ_INSERT_TAIL(&sc->auto_bars, auto_entry, entries); 312 } 313 } 314 return rv; 315 } 316 317 /* 318 * Set properties needed to support fb driver. These are read later during 319 * autoconfg in device_register(). Needed for CVPPC/BVPPC. 320 */ 321 void 322 p5pb_set_props(struct p5pb_softc *sc) 323 { 324 prop_dictionary_t dict; 325 device_t dev; 326 327 dev = sc->sc_dev; 328 dict = device_properties(dev); 329 330 /* genfb needs additional properties, like virtual, physical address */ 331 #if (NGENFB > 0) 332 /* XXX: currently genfb is supported only on CVPPC/BVPPC */ 333 prop_dictionary_set_uint64(dict, "virtual_address", 334 sc->pci_mem_area.base); 335 prop_dictionary_set_uint64(dict, "address", 336 kvtop((void*) sc->pci_mem_area.base)); 337 #endif 338 } 339 340 pcireg_t 341 p5pb_pci_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg) 342 { 343 uint32_t data; 344 uint32_t bus, dev, func; 345 uint32_t offset; 346 347 pci_decompose_tag(pc, tag, &bus, &dev, &func); 348 349 offset = (OFF_PCI_DEVICE << dev) + reg; 350 351 if(func == 0) /* ugly, ugly hack */ 352 offset += 0; 353 else if(func == 1) 354 offset += OFF_PCI_FUNCTION; 355 else 356 return 0xFFFFFFFF; 357 358 if(badaddr((void *)__UNVOLATILE(((uint32_t) 359 bus_space_vaddr(pc->pci_conf_datat, pc->pci_conf_datah) 360 + offset)))) 361 return 0xFFFFFFFF; 362 363 data = bus_space_read_4(pc->pci_conf_datat, pc->pci_conf_datah, 364 offset); 365 #ifdef P5PB_DEBUG_CONF 366 aprint_normal("p5pb conf read va: %lx, bus: %d, dev: %d, " 367 "func: %d, reg: %d -r-> data %x\n", 368 pc->pci_conf_datah, bus, dev, func, reg, data); 369 #endif 370 return data; 371 } 372 373 void 374 p5pb_pci_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t val) 375 { 376 uint32_t bus, dev, func; 377 uint32_t offset; 378 379 pci_decompose_tag(pc, tag, &bus, &dev, &func); 380 381 offset = (OFF_PCI_DEVICE << dev) + reg; 382 383 if(func == 0) /* ugly, ugly hack */ 384 offset += 0; 385 else if(func == 1) 386 offset += OFF_PCI_FUNCTION; 387 else 388 return; 389 390 if(badaddr((void *)__UNVOLATILE(((uint32_t) 391 bus_space_vaddr(pc->pci_conf_datat, pc->pci_conf_datah) 392 + offset)))) 393 return; 394 395 bus_space_write_4(pc->pci_conf_datat, pc->pci_conf_datah, 396 offset, val); 397 #ifdef P5PB_DEBUG_CONF 398 aprint_normal("p5pb conf write va: %lx, bus: %d, dev: %d, " 399 "func: %d, reg: %d -w-> data %x\n", 400 pc->pci_conf_datah, bus, dev, func, reg, val); 401 #endif 402 403 } 404 405 int 406 p5pb_pci_bus_maxdevs_cvppc(pci_chipset_tag_t pc, int busno) 407 { 408 /* CVPPC/BVPPC has only 1 "slot". */ 409 return 1; 410 } 411 412 int 413 p5pb_pci_bus_maxdevs_grex4000(pci_chipset_tag_t pc, int busno) 414 { 415 /* G-REX 4000 has 4, G-REX 4000T has 3 slots? */ 416 return 4; 417 } 418 419 int 420 p5pb_pci_bus_maxdevs_grex1200(pci_chipset_tag_t pc, int busno) 421 { 422 /* G-REX 1200 has 5 slots. */ 423 return 4; /* XXX: 5 not yet! */ 424 } 425 426 void 427 p5pb_pci_attach_hook(device_t parent, device_t self, 428 struct pcibus_attach_args *pba) 429 { 430 } 431 432 int 433 p5pb_pci_intr_map(const struct pci_attach_args *pa, pci_intr_handle_t *ihp) 434 { 435 /* TODO: add sanity checking */ 436 437 *ihp = 2; 438 return 0; 439 } 440 441 /* Probe for CVPPC/BVPPC. */ 442 static bool 443 p5pb_cvppc_probe(struct p5pb_softc *sc) 444 { 445 bus_space_handle_t probe_h; 446 uint16_t prodid, manid; 447 void* data; 448 bool rv; 449 450 manid = 0; prodid = 0; 451 rv = false; 452 453 if (bus_space_map(sc->apc.pci_conf_datat, 0, 4, 0, &probe_h)) 454 return rv; 455 456 data = bus_space_vaddr(sc->apc.pci_conf_datat, probe_h); 457 458 if (badaddr((void *)__UNVOLATILE((uint32_t) data))) { 459 #ifdef P5PB_DEBUG_PROBE 460 aprint_normal("p5pb: CVPPC configuration space not usable!\n"); 461 #endif /* P5PB_DEBUG_PROBE */ 462 } else { 463 prodid = bus_space_read_2(sc->apc.pci_conf_datat, probe_h, 0); 464 manid = bus_space_read_2(sc->apc.pci_conf_datat, probe_h, 2); 465 466 if ((prodid == P5PB_PM2_PRODUCT_ID) && 467 (manid == P5PB_PM2_VENDOR_ID)) 468 rv = true; 469 } 470 471 #ifdef P5PB_DEBUG_PROBE 472 aprint_normal("p5pb: CVPPC probe for PCI ID: %x, %x returns %d\n", 473 manid, prodid, (int) rv); 474 #endif /* P5PB_DEBUG_PROBE */ 475 476 bus_space_unmap(sc->apc.pci_conf_datat, probe_h, 4); 477 return rv; 478 } 479 480 #ifdef PCI_NETBSD_CONFIGURE 481 /* Reconfigure the bus. */ 482 bool 483 p5pb_bus_reconfigure(struct p5pb_softc *sc) 484 { 485 struct extent *ioext, *memext; 486 pci_chipset_tag_t pc; 487 488 pc = &sc->apc; 489 490 ioext = extent_create("p5pbio", 0, P5BUS_PCI_IO_SIZE, NULL, 0, 491 EX_NOWAIT); 492 493 memext = extent_create("p5pbmem", sc->pci_mem_lowest, 494 sc->pci_mem_highest - 1, NULL, 0, EX_NOWAIT); 495 496 if ( (!ioext) || (!memext) ) 497 return false; 498 499 #ifdef P5PB_DEBUG 500 aprint_normal("p5pb: reconfiguring the bus!\n"); 501 #endif /* P5PB_DEBUG */ 502 pci_configure_bus(pc, ioext, memext, NULL, 0, CACHELINE_SIZE); 503 504 extent_destroy(ioext); 505 extent_destroy(memext); 506 507 return true; /* TODO: better error handling */ 508 } 509 #endif /* PCI_NETBSD_CONFIGURE */ 510 511 /* Determine the PCI memory space (done G-REX-style). */ 512 void 513 p5pb_membar_grex(struct p5pb_softc *sc) 514 { 515 struct p5pb_autoconf_entry *membar_entry; 516 uint32_t bar_address; 517 518 sc->pci_mem_lowest = 0xFFFFFFFF; 519 sc->pci_mem_highest = 0; 520 521 /* Iterate over membar entries to find lowest and highest address. */ 522 TAILQ_FOREACH(membar_entry, &sc->auto_bars, entries) { 523 524 bar_address = (uint32_t) membar_entry->base; 525 if ((bar_address + membar_entry->size) > sc->pci_mem_highest) 526 sc->pci_mem_highest = bar_address + membar_entry->size; 527 if (bar_address < sc->pci_mem_lowest) 528 sc->pci_mem_lowest = bar_address; 529 530 #ifdef P5PB_DEBUG_BAR 531 aprint_normal("p5pb: %d kB mem BAR at %p, hi = %x, lo = %x\n", 532 membar_entry->size / 1024, membar_entry->base, 533 sc->pci_mem_highest, sc->pci_mem_lowest); 534 #endif /* P5PB_DEBUG_BAR */ 535 } 536 537 aprint_normal("p5pb: %d kB PCI memory space (%8p to %8p)\n", 538 (sc->pci_mem_highest - sc->pci_mem_lowest) / 1024, 539 (void*) sc->pci_mem_lowest, (void*) sc->pci_mem_highest); 540 541 } 542 543 bool 544 p5pb_bus_map_conf(struct p5pb_softc *sc) 545 { 546 sc->pci_conf_area.base = (bus_addr_t) zbusmap( 547 (void *) P5BUS_PCI_CONF_BASE, P5BUS_PCI_CONF_SIZE); 548 sc->pci_conf_area.absm = &amiga_bus_stride_1; 549 550 sc->apc.pci_conf_datat = &(sc->pci_conf_area); 551 552 if (bus_space_map(sc->apc.pci_conf_datat, OFF_PCI_CONF_DATA, 553 P5BUS_PCI_CONF_SIZE, 0, &sc->apc.pci_conf_datah)) 554 return false; 555 556 return true; 557 } 558 559 /* Map I/O and memory space. */ 560 bool 561 p5pb_bus_map_memio(struct p5pb_softc *sc) 562 { 563 sc->pci_io_area.base = (bus_addr_t) zbusmap( 564 (void *) P5BUS_PCI_IO_BASE, P5BUS_PCI_IO_SIZE); 565 sc->pci_io_area.absm = &amiga_bus_stride_1swap; 566 567 sc->pci_mem_area.base = (bus_addr_t) zbusmap( 568 (void *) sc->pci_mem_lowest, 569 sc->pci_mem_highest - sc->pci_mem_lowest); 570 sc->pci_mem_area.absm = &amiga_bus_stride_1swap_abs; 571 572 return true; 573 } 574 575 int 576 p5pb_pci_conf_hook(pci_chipset_tag_t pct, int bus, int dev, 577 int func, pcireg_t id) 578 { 579 /* XXX: What should we do on CVPPC/BVPPC? It breaks genfb. */ 580 581 return PCI_CONF_DEFAULT; 582 } 583 584 #ifdef P5PB_DEBUG 585 /* Check which config and I/O ranges are usable. */ 586 void 587 p5pb_usable_ranges(struct p5pb_softc *sc) 588 { 589 p5pb_badaddr_range(sc, &(sc->pci_conf_area), 0, P5BUS_PCI_CONF_SIZE); 590 p5pb_badaddr_range(sc, &(sc->pci_io_area), 0, P5BUS_PCI_IO_SIZE); 591 } 592 593 void 594 p5pb_badaddr_range(struct p5pb_softc *sc, bus_space_tag_t bust, bus_addr_t base, 595 size_t len) 596 { 597 int i, state, prev_state; 598 bus_space_handle_t bush; 599 volatile void *data; 600 601 state = -1; 602 prev_state = -1; 603 604 bus_space_map(bust, base, len, 0, &bush); 605 606 aprint_normal("p5pb: badaddr range check from %x (%x) to %x (%x)\n", 607 (bus_addr_t) bush, /* start VA */ 608 (bus_addr_t) kvtop((void*) bush), /* start PA */ 609 (bus_addr_t) bush + len, /* end VA */ 610 (bus_addr_t) kvtop((void*) (bush + len)));/* end PA */ 611 612 data = bus_space_vaddr(bust, bush); 613 614 for(i = 0; i < len; i++) { 615 state = badaddr((void *)__UNVOLATILE(((uint32_t) data + i))); 616 if(state != prev_state) { 617 aprint_normal("p5pb: badaddr %p (%x) : %d\n", 618 (void*) ((uint32_t) data + i), 619 (bus_addr_t) kvtop((void*) ((uint32_t) data + i)), 620 state); 621 prev_state = state; 622 } 623 624 } 625 626 bus_space_unmap(bust, bush, len); 627 } 628 629 /* Search for 16-bit value in the configuration space. */ 630 void 631 p5pb_conf_search(struct p5pb_softc *sc, uint16_t val) 632 { 633 int i, state; 634 uint16_t readv; 635 void *va; 636 637 va = bus_space_vaddr(sc->apc.pci_conf_datat, sc->apc.pci_conf_datah); 638 639 for (i = 0; i < P5BUS_PCI_CONF_SIZE; i++) { 640 state = badaddr((void *)__UNVOLATILE(((uint32_t) va + i))); 641 if(state == 0) { 642 readv = bus_space_read_2(sc->apc.pci_conf_datat, 643 sc->apc.pci_conf_datah, i); 644 if(readv == val) 645 aprint_normal("p5pb: found val %x @ %x (%x)\n", 646 readv, (uint32_t) sc->apc.pci_conf_datah 647 + i, (bus_addr_t) kvtop((void*) 648 ((uint32_t) sc->apc.pci_conf_datah + i))); 649 } 650 } 651 } 652 653 #endif /* P5PB_DEBUG */ 654 655 #ifdef P5PB_CONSOLE 656 void 657 p5pb_device_register(device_t dev, void *aux) 658 { 659 prop_dictionary_t dict, parent_dict; 660 struct pci_attach_args *pa = aux; 661 662 if (device_parent(dev) && device_is_a(device_parent(dev), "pci")) { 663 664 dict = device_properties(dev); 665 666 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_DISPLAY) { 667 668 /* Handle the CVPPC/BVPPC card... */ 669 if ( ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_TI) 670 && (PCI_PRODUCT(pa->pa_id) == 671 PCI_PRODUCT_TI_TVP4020) ) || 672 /* ...and 3Dfx Voodoo 3 in G-REX. */ 673 ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_3DFX) 674 && (PCI_PRODUCT(pa->pa_id) == 675 PCI_PRODUCT_3DFX_VOODOO3) )) { 676 677 parent_dict = device_properties( 678 device_parent(device_parent(dev))); 679 680 prop_dictionary_set_uint32(dict, "width", 681 P5GFX_WIDTH); 682 683 prop_dictionary_set_uint32(dict, "height", 684 P5GFX_HEIGHT); 685 686 prop_dictionary_set_uint32(dict, "depth", 687 P5GFX_DEPTH); 688 689 #if (NGENFB > 0) 690 prop_dictionary_set_uint32(dict, "linebytes", 691 P5GFX_LINEBYTES); 692 693 prop_dictionary_set(dict, "address", 694 prop_dictionary_get(parent_dict, 695 "address")); 696 prop_dictionary_set(dict, "virtual_address", 697 prop_dictionary_get(parent_dict, 698 "virtual_address")); 699 #endif 700 prop_dictionary_set_bool(dict, "is_console", 701 true); 702 } 703 } 704 } 705 } 706 #endif /* P5PB_CONSOLE */ 707
Indexes created Tue Sep 30 20:09:53 GMT 2025