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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 | /* * Code to deal with the PReP residual data. * * Written by: Cort Dougan (cort@cs.nmt.edu) * Improved _greatly_ and rewritten by Gabriel Paubert (paubert@iram.es) * * This file is based on the following documentation: * * IBM Power Personal Systems Architecture * Residual Data * Document Number: PPS-AR-FW0001 * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive * for more details. * */ #include <linux/string.h> #include <asm/residual.h> #include <asm/pnp.h> #include <asm/byteorder.h> #include <linux/errno.h> #include <linux/sched.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> #include <linux/slab.h> #include <linux/user.h> #include <linux/a.out.h> #include <linux/tty.h> #include <linux/major.h> #include <linux/interrupt.h> #include <linux/reboot.h> #include <linux/init.h> #include <linux/blk.h> #include <linux/ioport.h> #include <linux/pci.h> #include <linux/ide.h> #include <asm/sections.h> #include <asm/mmu.h> #include <asm/processor.h> #include <asm/io.h> #include <asm/pgtable.h> #include <asm/ide.h> unsigned char __res[sizeof(RESIDUAL)] __prepdata = {0,}; RESIDUAL *res = (RESIDUAL *)&__res; char * PnP_BASE_TYPES[] __initdata = { "Reserved", "MassStorageDevice", "NetworkInterfaceController", "DisplayController", "MultimediaController", "MemoryController", "BridgeController", "CommunicationsDevice", "SystemPeripheral", "InputDevice", "ServiceProcessor" }; /* Device Sub Type Codes */ unsigned char * PnP_SUB_TYPES[] __initdata = { "\001\000SCSIController", "\001\001IDEController", "\001\002FloppyController", "\001\003IPIController", "\001\200OtherMassStorageController", "\002\000EthernetController", "\002\001TokenRingController", "\002\002FDDIController", "\002\0x80OtherNetworkController", "\003\000VGAController", "\003\001SVGAController", "\003\002XGAController", "\003\200OtherDisplayController", "\004\000VideoController", "\004\001AudioController", "\004\200OtherMultimediaController", "\005\000RAM", "\005\001FLASH", "\005\200OtherMemoryDevice", "\006\000HostProcessorBridge", "\006\001ISABridge", "\006\002EISABridge", "\006\003MicroChannelBridge", "\006\004PCIBridge", "\006\005PCMCIABridge", "\006\006VMEBridge", "\006\200OtherBridgeDevice", "\007\000RS232Device", "\007\001ATCompatibleParallelPort", "\007\200OtherCommunicationsDevice", "\010\000ProgrammableInterruptController", "\010\001DMAController", "\010\002SystemTimer", "\010\003RealTimeClock", "\010\004L2Cache", "\010\005NVRAM", "\010\006PowerManagement", "\010\007CMOS", "\010\010OperatorPanel", "\010\011ServiceProcessorClass1", "\010\012ServiceProcessorClass2", "\010\013ServiceProcessorClass3", "\010\014GraphicAssist", "\010\017SystemPlanar", "\010\200OtherSystemPeripheral", "\011\000KeyboardController", "\011\001Digitizer", "\011\002MouseController", "\011\003TabletController", "\011\0x80OtherInputController", "\012\000GeneralMemoryController", NULL }; /* Device Interface Type Codes */ unsigned char * PnP_INTERFACES[] __initdata = { "\000\000\000General", "\001\000\000GeneralSCSI", "\001\001\000GeneralIDE", "\001\001\001ATACompatible", "\001\002\000GeneralFloppy", "\001\002\001Compatible765", "\001\002\002NS398_Floppy", /* NS Super I/O wired to use index register at port 398 and data register at port 399 */ "\001\002\003NS26E_Floppy", /* Ports 26E and 26F */ "\001\002\004NS15C_Floppy", /* Ports 15C and 15D */ "\001\002\005NS2E_Floppy", /* Ports 2E and 2F */ "\001\002\006CHRP_Floppy", /* CHRP Floppy in PR*P system */ "\001\003\000GeneralIPI", "\002\000\000GeneralEther", "\002\001\000GeneralToken", "\002\002\000GeneralFDDI", "\003\000\000GeneralVGA", "\003\001\000GeneralSVGA", "\003\002\000GeneralXGA", "\004\000\000GeneralVideo", "\004\001\000GeneralAudio", "\004\001\001CS4232Audio", /* CS 4232 Plug 'n Play Configured */ "\005\000\000GeneralRAM", /* This one is obviously wrong ! */ "\005\000\000PCIMemoryController", /* PCI Config Method */ "\005\000\001RS6KMemoryController", /* RS6K Config Method */ "\005\001\000GeneralFLASH", "\006\000\000GeneralHostBridge", "\006\001\000GeneralISABridge", "\006\002\000GeneralEISABridge", "\006\003\000GeneralMCABridge", /* GeneralPCIBridge = 0, */ "\006\004\000PCIBridgeDirect", "\006\004\001PCIBridgeIndirect", "\006\004\002PCIBridgeRS6K", "\006\005\000GeneralPCMCIABridge", "\006\006\000GeneralVMEBridge", "\007\000\000GeneralRS232", "\007\000\001COMx", "\007\000\002Compatible16450", "\007\000\003Compatible16550", "\007\000\004NS398SerPort", /* NS Super I/O wired to use index register at port 398 and data register at port 399 */ "\007\000\005NS26ESerPort", /* Ports 26E and 26F */ "\007\000\006NS15CSerPort", /* Ports 15C and 15D */ "\007\000\007NS2ESerPort", /* Ports 2E and 2F */ "\007\001\000GeneralParPort", "\007\001\001LPTx", "\007\001\002NS398ParPort", /* NS Super I/O wired to use index register at port 398 and data register at port 399 */ "\007\001\003NS26EParPort", /* Ports 26E and 26F */ "\007\001\004NS15CParPort", /* Ports 15C and 15D */ "\007\001\005NS2EParPort", /* Ports 2E and 2F */ "\010\000\000GeneralPIC", "\010\000\001ISA_PIC", "\010\000\002EISA_PIC", "\010\000\003MPIC", "\010\000\004RS6K_PIC", "\010\001\000GeneralDMA", "\010\001\001ISA_DMA", "\010\001\002EISA_DMA", "\010\002\000GeneralTimer", "\010\002\001ISA_Timer", "\010\002\002EISA_Timer", "\010\003\000GeneralRTC", "\010\003\001ISA_RTC", "\010\004\001StoreThruOnly", "\010\004\002StoreInEnabled", "\010\004\003RS6KL2Cache", "\010\005\000IndirectNVRAM", /* Indirectly addressed */ "\010\005\001DirectNVRAM", /* Memory Mapped */ "\010\005\002IndirectNVRAM24", /* Indirectly addressed - 24 bit */ "\010\006\000GeneralPowerManagement", "\010\006\001EPOWPowerManagement", "\010\006\002PowerControl", // d1378 "\010\007\000GeneralCMOS", "\010\010\000GeneralOPPanel", "\010\010\001HarddiskLight", "\010\010\002CDROMLight", "\010\010\003PowerLight", "\010\010\004KeyLock", "\010\010\005ANDisplay", /* AlphaNumeric Display */ "\010\010\006SystemStatusLED", /* 3 digit 7 segment LED */ "\010\010\007CHRP_SystemStatusLED", /* CHRP LEDs in PR*P system */ "\010\011\000GeneralServiceProcessor", "\010\012\000GeneralServiceProcessor", "\010\013\000GeneralServiceProcessor", "\010\014\001TransferData", "\010\014\002IGMC32", "\010\014\003IGMC64", "\010\017\000GeneralSystemPlanar", /* 10/5/95 */ NULL }; static const unsigned char __init *PnP_SUB_TYPE_STR(unsigned char BaseType, unsigned char SubType) { unsigned char ** s=PnP_SUB_TYPES; while (*s && !((*s)[0]==BaseType && (*s)[1]==SubType)) s++; if (*s) return *s+2; else return("Unknown !"); }; static const unsigned char __init *PnP_INTERFACE_STR(unsigned char BaseType, unsigned char SubType, unsigned char Interface) { unsigned char ** s=PnP_INTERFACES; while (*s && !((*s)[0]==BaseType && (*s)[1]==SubType && (*s)[2]==Interface)) s++; if (*s) return *s+3; else return NULL; }; static void __init printsmallvendor(PnP_TAG_PACKET *pkt, int size) { int i, c; char decomp[4]; #define p pkt->S14_Pack.S14_Data.S14_PPCPack switch(p.Type) { case 1: /* Decompress first 3 chars */ c = *(unsigned short *)p.PPCData; decomp[0]='A'-1+((c>>10)&0x1F); decomp[1]='A'-1+((c>>5)&0x1F); decomp[2]='A'-1+(c&0x1F); decomp[3]=0; printk(" Chip identification: %s%4.4X\n", decomp, ld_le16((unsigned short *)(p.PPCData+2))); break; default: printk(" Small vendor item type 0x%2.2x, data (hex): ", p.Type); for(i=0; i<size-2; i++) printk("%2.2x ", p.PPCData[i]); printk("\n"); break; } #undef p } static void __init printsmallpacket(PnP_TAG_PACKET * pkt, int size) { static const unsigned char * intlevel[] = {"high", "low"}; static const unsigned char * intsense[] = {"edge", "level"}; switch (tag_small_item_name(pkt->S1_Pack.Tag)) { case PnPVersion: printk(" PnPversion 0x%x.%x\n", pkt->S1_Pack.Version[0], /* How to interpret version ? */ pkt->S1_Pack.Version[1]); break; // case Logicaldevice: break; // case CompatibleDevice: break; case IRQFormat: #define p pkt->S4_Pack printk(" IRQ Mask 0x%4.4x, %s %s sensitive\n", ld_le16((unsigned short *)p.IRQMask), intlevel[(size>3) ? !(p.IRQInfo&0x05) : 0], intsense[(size>3) ? !(p.IRQInfo&0x03) : 0]); #undef p break; case DMAFormat: #define p pkt->S5_Pack printk(" DMA channel mask 0x%2.2x, info 0x%2.2x\n", p.DMAMask, p.DMAInfo); #undef p break; case StartDepFunc: printk("Start dependent function:\n"); break; case EndDepFunc: printk("End dependent function\n"); break; case IOPort: #define p pkt->S8_Pack printk(" Variable (%d decoded bits) I/O port\n" " from 0x%4.4x to 0x%4.4x, alignment %d, %d ports\n", p.IOInfo&ISAAddr16bit?16:10, ld_le16((unsigned short *)p.RangeMin), ld_le16((unsigned short *)p.RangeMax), p.IOAlign, p.IONum); #undef p break; case FixedIOPort: #define p pkt->S9_Pack printk(" Fixed (10 decoded bits) I/O port from %3.3x to %3.3x\n", (p.Range[1]<<8)|p.Range[0], ((p.Range[1]<<8)|p.Range[0])+p.IONum-1); #undef p break; case Res1: case Res2: case Res3: printk(" Undefined packet type %d!\n", tag_small_item_name(pkt->S1_Pack.Tag)); break; case SmallVendorItem: printsmallvendor(pkt,size); break; default: printk(" Type 0x2.2x%d, size=%d\n", pkt->S1_Pack.Tag, size); break; } } static void __init printlargevendor(PnP_TAG_PACKET * pkt, int size) { static const unsigned char * addrtype[] = {"I/O", "Memory", "System"}; static const unsigned char * inttype[] = {"8259", "MPIC", "RS6k BUID %d"}; static const unsigned char * convtype[] = {"Bus Memory", "Bus I/O", "DMA"}; static const unsigned char * transtype[] = {"direct", "mapped", "direct-store segment"}; static const unsigned char * L2type[] = {"WriteThru", "CopyBack"}; static const unsigned char * L2assoc[] = {"DirectMapped", "2-way set"}; int i; char tmpstr[30], *t; #define p pkt->L4_Pack.L4_Data.L4_PPCPack switch(p.Type) { case 2: printk(" %d K %s %s L2 cache, %d/%d bytes line/sector size\n", ld_le32((unsigned int *)p.PPCData), L2type[p.PPCData[10]-1], L2assoc[p.PPCData[4]-1], ld_le16((unsigned short *)p.PPCData+3), ld_le16((unsigned short *)p.PPCData+4)); break; case 3: printk(" PCI Bridge parameters\n" " ConfigBaseAddress %0x\n" " ConfigBaseData %0x\n" " Bus number %d\n", ld_le32((unsigned int *)p.PPCData), ld_le32((unsigned int *)(p.PPCData+8)), p.PPCData[16]); for(i=20; i<size-4; i+=12) { int j, first; if(p.PPCData[i]) printk(" PCI Slot %d", p.PPCData[i]); else printk (" Integrated PCI device"); for(j=0, first=1, t=tmpstr; j<4; j++) { int line=ld_le16((unsigned short *)(p.PPCData+i+4)+j); if(line!=0xffff){ if(first) first=0; else *t++='/'; *t++='A'+j; } } *t='\0'; printk(" DevFunc 0x%x interrupt line(s) %s routed to", p.PPCData[i+1],tmpstr); sprintf(tmpstr, inttype[p.PPCData[i+2]-1], p.PPCData[i+3]); printk(" %s line(s) ", tmpstr); for(j=0, first=1, t=tmpstr; j<4; j++) { int line=ld_le16((unsigned short *)(p.PPCData+i+4)+j); if(line!=0xffff){ if(first) first=0; else *t++='/'; t+=sprintf(t,"%d(%c)", line&0x7fff, line&0x8000?'E':'L'); } } printk("%s\n",tmpstr); } break; case 5: printk(" Bridge address translation, %s decoding:\n" " Processor Bus Size Conversion Translation\n" " 0x%8.8x 0x%8.8x 0x%8.8x %s %s\n", p.PPCData[0]&1 ? "positive" : "subtractive", ld_le32((unsigned int *)p.PPCData+1), ld_le32((unsigned int *)p.PPCData+3), ld_le32((unsigned int *)p.PPCData+5), convtype[p.PPCData[2]-1], transtype[p.PPCData[1]-1]); break; case 6: printk(" Bus speed %d Hz, %d slot(s)\n", ld_le32((unsigned int *)p.PPCData), p.PPCData[4]); break; case 7: printk(" SCSI buses: %d, id(s):", p.PPCData[0]); for(i=1; i<=p.PPCData[0]; i++) printk(" %d%c", p.PPCData[i], i==p.PPCData[0] ? '\n' : ','); break; case 9: printk(" %s address (%d bits), at 0x%x size 0x%x bytes\n", addrtype[p.PPCData[0]-1], p.PPCData[1], ld_le32((unsigned int *)(p.PPCData+4)), ld_le32((unsigned int *)(p.PPCData+12))); break; case 10: sprintf(tmpstr, inttype[p.PPCData[0]-1], p.PPCData[1]); printk(" ISA interrupts routed to %s\n" " lines", tmpstr); for(i=0; i<16; i++) { int line=ld_le16((unsigned short *)p.PPCData+i+1); if (line!=0xffff) printk(" %d(IRQ%d)", line, i); } printk("\n"); break; default: printk(" Large vendor item type 0x%2.2x\n Data (hex):", p.Type); for(i=0; i<size-4; i++) printk(" %2.2x", p.PPCData[i]); printk("\n"); #undef p } } static void __init printlargepacket(PnP_TAG_PACKET * pkt, int size) { switch (tag_large_item_name(pkt->S1_Pack.Tag)) { case LargeVendorItem: printlargevendor(pkt, size); break; default: printk(" Type 0x2.2x%d, size=%d\n", pkt->S1_Pack.Tag, size); break; } } static void __init printpackets(PnP_TAG_PACKET * pkt, const char * cat) { if (pkt->S1_Pack.Tag== END_TAG) { printk(" No packets describing %s resources.\n", cat); return; } printk( " Packets describing %s resources:\n",cat); do { int size; if (tag_type(pkt->S1_Pack.Tag)) { size= 3 + pkt->L1_Pack.Count0 + pkt->L1_Pack.Count1*256; printlargepacket(pkt, size); } else { size=tag_small_count(pkt->S1_Pack.Tag)+1; printsmallpacket(pkt, size); } pkt = (PnP_TAG_PACKET *)((unsigned char *) pkt + size); } while (pkt->S1_Pack.Tag != END_TAG); } void __init print_residual_device_info(void) { int i; PPC_DEVICE *dev; #define did dev->DeviceId /* make sure we have residual data first */ if ( res->ResidualLength == 0 ) return; printk("Residual: %ld devices\n", res->ActualNumDevices); for ( i = 0; i < res->ActualNumDevices ; i++) { char decomp[4], sn[20]; const char * s; dev = &res->Devices[i]; s = PnP_INTERFACE_STR(did.BaseType, did.SubType, did.Interface); if(!s) { sprintf(sn, "interface %d", did.Interface); s=sn; } if ( did.BusId & PCIDEVICE ) printk("PCI Device, Bus %d, DevFunc 0x%x:", dev->BusAccess.PCIAccess.BusNumber, dev->BusAccess.PCIAccess.DevFuncNumber); if ( did.BusId & PNPISADEVICE ) printk("PNPISA Device:"); if ( did.BusId & ISADEVICE ) printk("ISA Device, Slot %d, LogicalDev %d:", dev->BusAccess.ISAAccess.SlotNumber, dev->BusAccess.ISAAccess.LogicalDevNumber); if ( did.BusId & EISADEVICE ) printk("EISA Device:"); if ( did.BusId & PROCESSORDEVICE ) printk("ProcBus Device, Bus %d, BUID %d: ", dev->BusAccess.ProcBusAccess.BusNumber, dev->BusAccess.ProcBusAccess.BUID); if ( did.BusId & PCMCIADEVICE ) printk("PCMCIA "); if ( did.BusId & VMEDEVICE ) printk("VME "); if ( did.BusId & MCADEVICE ) printk("MCA "); if ( did.BusId & MXDEVICE ) printk("MX "); /* Decompress first 3 chars */ decomp[0]='A'-1+((did.DevId>>26)&0x1F); decomp[1]='A'-1+((did.DevId>>21)&0x1F); decomp[2]='A'-1+((did.DevId>>16)&0x1F); decomp[3]=0; printk(" %s%4.4lX, %s, %s, %s\n", decomp, did.DevId&0xffff, PnP_BASE_TYPES[did.BaseType], PnP_SUB_TYPE_STR(did.BaseType,did.SubType), s); if ( dev->AllocatedOffset ) printpackets( (union _PnP_TAG_PACKET *) &res->DevicePnPHeap[dev->AllocatedOffset], "allocated"); if ( dev->PossibleOffset ) printpackets( (union _PnP_TAG_PACKET *) &res->DevicePnPHeap[dev->PossibleOffset], "possible"); if ( dev->CompatibleOffset ) printpackets( (union _PnP_TAG_PACKET *) &res->DevicePnPHeap[dev->CompatibleOffset], "compatible"); } } #if 0 static void __init printVPD(void) { #define vpd res->VitalProductData int ps=vpd.PageSize, i, j; static const char* Usage[]={ "FirmwareStack", "FirmwareHeap", "FirmwareCode", "BootImage", "Free", "Unpopulated", "ISAAddr", "PCIConfig", "IOMemory", "SystemIO", "SystemRegs", "PCIAddr", "UnPopSystemRom", "SystemROM", "ResumeBlock", "Other" }; static const unsigned char *FWMan[]={ "IBM", "Motorola", "FirmWorks", "Bull" }; static const unsigned char *FWFlags[]={ "Conventional", "OpenFirmware", "Diagnostics", "LowDebug", "MultiBoot", "LowClient", "Hex41", "FAT", "ISO9660", "SCSI_ID_Override", "Tape_Boot", "FW_Boot_Path" }; static const unsigned char *ESM[]={ "Port92", "PCIConfigA8", "FF001030", "????????" }; static const unsigned char *SIOM[]={ "Port850", "????????", "PCIConfigA8", "????????" }; printk("Model: %s\n",vpd.PrintableModel); printk("Serial: %s\n", vpd.Serial); printk("FirmwareSupplier: %s\n", FWMan[vpd.FirmwareSupplier]); printk("FirmwareFlags:"); for(j=0; j<12; j++) { if (vpd.FirmwareSupports & (1<<j)) { printk(" %s%c", FWFlags[j], vpd.FirmwareSupports&(-2<<j) ? ',' : '\n'); } } printk("NVRamSize: %ld\n", vpd.NvramSize); printk("SIMMslots: %ld\n", vpd.NumSIMMSlots); printk("EndianSwitchMethod: %s\n", ESM[vpd.EndianSwitchMethod>2 ? 2 : vpd.EndianSwitchMethod]); printk("SpreadIOMethod: %s\n", SIOM[vpd.SpreadIOMethod>3 ? 3 : vpd.SpreadIOMethod]); printk("Processor/Bus frequencies (Hz): %ld/%ld\n", vpd.ProcessorHz, vpd.ProcessorBusHz); printk("Time Base Divisor: %ld\n", vpd.TimeBaseDivisor); printk("WordWidth, PageSize: %ld, %d\n", vpd.WordWidth, ps); printk("Cache sector size, Lock granularity: %ld, %ld\n", vpd.CoherenceBlockSize, vpd.GranuleSize); for (i=0; i<res->ActualNumMemSegs; i++) { int mask=res->Segs[i].Usage, first, j; printk("%8.8lx-%8.8lx ", res->Segs[i].BasePage*ps, (res->Segs[i].PageCount+res->Segs[i].BasePage)*ps-1); for(j=15, first=1; j>=0; j--) { if (mask&(1<<j)) { if (first) first=0; else printk(", "); printk("%s", Usage[j]); } } printk("\n"); } } /* * Spit out some info about residual data */ void print_residual_device_info(void) { int i; union _PnP_TAG_PACKET *pkt; PPC_DEVICE *dev; #define did dev->DeviceId /* make sure we have residual data first */ if ( res->ResidualLength == 0 ) return; printk("Residual: %ld devices\n", res->ActualNumDevices); for ( i = 0; i < res->ActualNumDevices ; i++) { dev = &res->Devices[i]; /* * pci devices */ if ( did.BusId & PCIDEVICE ) { printk("PCI Device:"); /* unknown vendor */ if ( !strncmp( "Unknown", pci_strvendor(did.DevId>>16), 7) ) printk(" id %08lx types %d/%d", did.DevId, did.BaseType, did.SubType); /* known vendor */ else printk(" %s %s", pci_strvendor(did.DevId>>16), pci_strdev(did.DevId>>16, did.DevId&0xffff) ); if ( did.BusId & PNPISADEVICE ) { printk(" pnp:"); /* get pnp info on the device */ pkt = (union _PnP_TAG_PACKET *) &res->DevicePnPHeap[dev->AllocatedOffset]; for (; pkt->S1_Pack.Tag != DF_END_TAG; pkt++ ) { if ( (pkt->S1_Pack.Tag == S4_Packet) || (pkt->S1_Pack.Tag == S4_Packet_flags) ) printk(" irq %02x%02x", pkt->S4_Pack.IRQMask[0], pkt->S4_Pack.IRQMask[1]); } } printk("\n"); continue; } /* * isa devices */ if ( did.BusId & ISADEVICE ) { printk("ISA Device: basetype: %d subtype: %d", did.BaseType, did.SubType); printk("\n"); continue; } /* * eisa devices */ if ( did.BusId & EISADEVICE ) { printk("EISA Device: basetype: %d subtype: %d", did.BaseType, did.SubType); printk("\n"); continue; } /* * proc bus devices */ if ( did.BusId & PROCESSORDEVICE ) { printk("ProcBus Device: basetype: %d subtype: %d", did.BaseType, did.SubType); printk("\n"); continue; } /* * pcmcia devices */ if ( did.BusId & PCMCIADEVICE ) { printk("PCMCIA Device: basetype: %d subtype: %d", did.BaseType, did.SubType); printk("\n"); continue; } printk("Unknown bus access device: busid %lx\n", did.BusId); } } #endif /* Returns the device index in the residual data, any of the search items may be set as -1 for wildcard, DevID number field (second halfword) is big endian ! Examples: - search for the Interrupt controller (8259 type), 2 methods: 1) i8259 = residual_find_device(~0, NULL, SystemPeripheral, ProgrammableInterruptController, ISA_PIC, 0); 2) i8259 = residual_find_device(~0, "PNP0000", -1, -1, -1, 0) - search for the first two serial devices, whatever their type) iserial1 = residual_find_device(~0,NULL, CommunicationsDevice, RS232Device, -1, 0) iserial2 = residual_find_device(~0,NULL, CommunicationsDevice, RS232Device, -1, 1) - but search for typical COM1 and COM2 is not easy due to the fact that the interface may be anything and the name "PNP0500" or "PNP0501". Quite bad. */ /* devid are easier to uncompress than to compress, so to minimize bloat in this rarely used area we unencode and compare */ /* in residual data number is big endian in the device table and little endian in the heap, so we use two parameters to avoid writing two very similar functions */ static int __init same_DevID(unsigned short vendor, unsigned short Number, char * str) { static unsigned const char hexdigit[]="0123456789ABCDEF"; if (strlen(str)!=7) return 0; if ( ( ((vendor>>10)&0x1f)+'A'-1 == str[0]) && ( ((vendor>>5)&0x1f)+'A'-1 == str[1]) && ( (vendor&0x1f)+'A'-1 == str[2]) && (hexdigit[(Number>>12)&0x0f] == str[3]) && (hexdigit[(Number>>8)&0x0f] == str[4]) && (hexdigit[(Number>>4)&0x0f] == str[5]) && (hexdigit[Number&0x0f] == str[6]) ) return 1; return 0; } PPC_DEVICE __init *residual_find_device(unsigned long BusMask, unsigned char * DevID, int BaseType, int SubType, int Interface, int n) { int i; if ( !res->ResidualLength ) return NULL; for (i=0; i<res->ActualNumDevices; i++) { #define Dev res->Devices[i].DeviceId if ( (Dev.BusId&BusMask) && (BaseType==-1 || Dev.BaseType==BaseType) && (SubType==-1 || Dev.SubType==SubType) && (Interface==-1 || Dev.Interface==Interface) && (DevID==NULL || same_DevID((Dev.DevId>>16)&0xffff, Dev.DevId&0xffff, DevID)) && !(n--) ) return res->Devices+i; #undef Dev } return 0; } PPC_DEVICE __init *residual_find_device_id(unsigned long BusMask, unsigned short DevID, int BaseType, int SubType, int Interface, int n) { int i; if ( !res->ResidualLength ) return NULL; for (i=0; i<res->ActualNumDevices; i++) { #define Dev res->Devices[i].DeviceId if ( (Dev.BusId&BusMask) && (BaseType==-1 || Dev.BaseType==BaseType) && (SubType==-1 || Dev.SubType==SubType) && (Interface==-1 || Dev.Interface==Interface) && (DevID==0xffff || (Dev.DevId&0xffff) == DevID) && !(n--) ) return res->Devices+i; #undef Dev } return 0; } PnP_TAG_PACKET *PnP_find_packet(unsigned char *p, unsigned packet_tag, int n) { unsigned mask, masked_tag, size; if(!p) return 0; if (tag_type(packet_tag)) mask=0xff; else mask=0xF8; masked_tag = packet_tag&mask; for(; *p != END_TAG; p+=size) { if ((*p & mask) == masked_tag && !(n--)) return (PnP_TAG_PACKET *) p; if (tag_type(*p)) size=ld_le16((unsigned short *)(p+1))+3; else size=tag_small_count(*p)+1; } return 0; /* not found */ } PnP_TAG_PACKET __init *PnP_find_small_vendor_packet(unsigned char *p, unsigned packet_type, int n) { int next=0; while (p) { p = (unsigned char *) PnP_find_packet(p, 0x70, next); if (p && p[1]==packet_type && !(n--)) return (PnP_TAG_PACKET *) p; next = 1; }; return 0; /* not found */ } PnP_TAG_PACKET __init *PnP_find_large_vendor_packet(unsigned char *p, unsigned packet_type, int n) { int next=0; while (p) { p = (unsigned char *) PnP_find_packet(p, 0x84, next); if (p && p[3]==packet_type && !(n--)) return (PnP_TAG_PACKET *) p; next = 1; }; return 0; /* not found */ } #ifdef CONFIG_PROC_PREPRESIDUAL static int proc_prep_residual_read(char * buf, char ** start, off_t off, int count, int *eof, void *data) { int n; n = res->ResidualLength - off; if (n < 0) { *eof = 1; n = 0; } else { if (n > count) n = count; else *eof = 1; memcpy(buf, (char *)res + off, n); *start = buf; } return n; } int __init proc_prep_residual_init(void) { if (res->ResidualLength) create_proc_read_entry("residual", S_IRUGO, NULL, proc_prep_residual_read, NULL); return 0; } __initcall(proc_prep_residual_init); #endif |