1 /*- 2 * Copyright (c) 1997, Stefan Esser <se@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice unmodified, this list of conditions, and the following 10 * 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 * 28 */ 29 30 /* 31 * PCIM_xxx: mask to locate subfield in register 32 * PCIR_xxx: config register offset 33 * PCIC_xxx: device class 34 * PCIS_xxx: device subclass 35 * PCIP_xxx: device programming interface 36 * PCIV_xxx: PCI vendor ID (only required to fixup ancient devices) 37 * PCID_xxx: device ID 38 * PCIY_xxx: capability identification number 39 */ 40 41 /* some PCI bus constants */ 42 43 #define PCI_BUSMAX 255 44 #define PCI_SLOTMAX 31 45 #define PCI_FUNCMAX 7 46 #define PCI_REGMAX 255 47 #define PCI_MAXHDRTYPE 2 48 49 /* PCI config header registers for all devices */ 50 51 #define PCIR_DEVVENDOR 0x00 52 #define PCIR_VENDOR 0x00 53 #define PCIR_DEVICE 0x02 54 #define PCIR_COMMAND 0x04 55 #define PCIM_CMD_PORTEN 0x0001 56 #define PCIM_CMD_MEMEN 0x0002 57 #define PCIM_CMD_BUSMASTEREN 0x0004 58 #define PCIM_CMD_SPECIALEN 0x0008 59 #define PCIM_CMD_MWRICEN 0x0010 60 #define PCIM_CMD_PERRESPEN 0x0040 61 #define PCIM_CMD_SERRESPEN 0x0100 62 #define PCIM_CMD_BACKTOBACK 0x0200 63 #define PCIR_STATUS 0x06 64 #define PCIM_STATUS_CAPPRESENT 0x0010 65 #define PCIM_STATUS_66CAPABLE 0x0020 66 #define PCIM_STATUS_BACKTOBACK 0x0080 67 #define PCIM_STATUS_PERRREPORT 0x0100 68 #define PCIM_STATUS_SEL_FAST 0x0000 69 #define PCIM_STATUS_SEL_MEDIMUM 0x0200 70 #define PCIM_STATUS_SEL_SLOW 0x0400 71 #define PCIM_STATUS_SEL_MASK 0x0600 72 #define PCIM_STATUS_STABORT 0x0800 73 #define PCIM_STATUS_RTABORT 0x1000 74 #define PCIM_STATUS_RMABORT 0x2000 75 #define PCIM_STATUS_SERR 0x4000 76 #define PCIM_STATUS_PERR 0x8000 77 #define PCIR_REVID 0x08 78 #define PCIR_PROGIF 0x09 79 #define PCIR_SUBCLASS 0x0a 80 #define PCIR_CLASS 0x0b 81 #define PCIR_CACHELNSZ 0x0c 82 #define PCIR_LATTIMER 0x0d 83 #define PCIR_HDRTYPE 0x0e 84 #define PCIM_HDRTYPE 0x7f 85 #define PCIM_HDRTYPE_NORMAL 0x00 86 #define PCIM_HDRTYPE_BRIDGE 0x01 87 #define PCIM_HDRTYPE_CARDBUS 0x02 88 #define PCIM_MFDEV 0x80 89 #define PCIR_BIST 0x0f 90 91 /* Capability Register Offsets */ 92 93 #define PCICAP_ID 0x0 94 #define PCICAP_NEXTPTR 0x1 95 96 /* Capability Identification Numbers */ 97 98 #define PCIY_PMG 0x01 /* PCI Power Management */ 99 #define PCIY_AGP 0x02 /* AGP */ 100 #define PCIY_VPD 0x03 /* Vital Product Data */ 101 #define PCIY_SLOTID 0x04 /* Slot Identification */ 102 #define PCIY_MSI 0x05 /* Message Signaled Interrupts */ 103 #define PCIY_CHSWP 0x06 /* CompactPCI Hot Swap */ 104 #define PCIY_PCIX 0x07 /* PCI-X */ 105 #define PCIY_HT 0x08 /* HyperTransport */ 106 #define PCIY_VENDOR 0x09 /* Vendor Unique */ 107 #define PCIY_DEBUG 0x0a /* Debug port */ 108 #define PCIY_CRES 0x0b /* CompactPCI central resource control */ 109 #define PCIY_HOTPLUG 0x0c /* PCI Hot-Plug */ 110 #define PCIY_SUBVENDOR 0x0d /* PCI-PCI bridge subvendor ID */ 111 #define PCIY_AGP8X 0x0e /* AGP 8x */ 112 #define PCIY_SECDEV 0x0f /* Secure Device */ 113 #define PCIY_EXPRESS 0x10 /* PCI Express */ 114 #define PCIY_MSIX 0x11 /* MSI-X */ 115 116 /* config registers for header type 0 devices */ 117 118 #define PCIR_BARS 0x10 119 #define PCIR_BAR(x) (PCIR_BARS + (x) * 4) 120 #define PCI_RID2BAR(rid) (((rid)-PCIR_BARS)/4) 121 #define PCIR_CIS 0x28 122 #define PCIM_CIS_ASI_MASK 0x7 123 #define PCIM_CIS_ASI_TUPLE 0 124 #define PCIM_CIS_ASI_BAR0 1 125 #define PCIM_CIS_ASI_BAR1 2 126 #define PCIM_CIS_ASI_BAR2 3 127 #define PCIM_CIS_ASI_BAR3 4 128 #define PCIM_CIS_ASI_BAR4 5 129 #define PCIM_CIS_ASI_BAR5 6 130 #define PCIM_CIS_ASI_ROM 7 131 #define PCIM_CIS_ADDR_MASK 0x0ffffff8 132 #define PCIM_CIS_ROM_MASK 0xf0000000 133 #define PCIR_SUBVEND_0 0x2c 134 #define PCIR_SUBDEV_0 0x2e 135 #define PCIR_BIOS 0x30 136 #define PCIM_BIOS_ENABLE 0x01 137 #define PCIM_BIOS_ADDR_MASK 0xfffff800 138 #define PCIR_CAP_PTR 0x34 139 #define PCIR_INTLINE 0x3c 140 #define PCIR_INTPIN 0x3d 141 #define PCIR_MINGNT 0x3e 142 #define PCIR_MAXLAT 0x3f 143 144 /* config registers for header type 1 (PCI-to-PCI bridge) devices */ 145 146 #define PCIR_SECSTAT_1 0x1e 147 148 #define PCIR_PRIBUS_1 0x18 149 #define PCIR_SECBUS_1 0x19 150 #define PCIR_SUBBUS_1 0x1a 151 #define PCIR_SECLAT_1 0x1b 152 153 #define PCIR_IOBASEL_1 0x1c 154 #define PCIR_IOLIMITL_1 0x1d 155 #define PCIR_IOBASEH_1 0x30 156 #define PCIR_IOLIMITH_1 0x32 157 #define PCIM_BRIO_16 0x0 158 #define PCIM_BRIO_32 0x1 159 #define PCIM_BRIO_MASK 0xf 160 161 #define PCIR_MEMBASE_1 0x20 162 #define PCIR_MEMLIMIT_1 0x22 163 164 #define PCIR_PMBASEL_1 0x24 165 #define PCIR_PMLIMITL_1 0x26 166 #define PCIR_PMBASEH_1 0x28 167 #define PCIR_PMLIMITH_1 0x2c 168 169 #define PCIR_BRIDGECTL_1 0x3e 170 171 /* config registers for header type 2 (CardBus) devices */ 172 173 #define PCIR_CAP_PTR_2 0x14 174 #define PCIR_SECSTAT_2 0x16 175 176 #define PCIR_PRIBUS_2 0x18 177 #define PCIR_SECBUS_2 0x19 178 #define PCIR_SUBBUS_2 0x1a 179 #define PCIR_SECLAT_2 0x1b 180 181 #define PCIR_MEMBASE0_2 0x1c 182 #define PCIR_MEMLIMIT0_2 0x20 183 #define PCIR_MEMBASE1_2 0x24 184 #define PCIR_MEMLIMIT1_2 0x28 185 #define PCIR_IOBASE0_2 0x2c 186 #define PCIR_IOLIMIT0_2 0x30 187 #define PCIR_IOBASE1_2 0x34 188 #define PCIR_IOLIMIT1_2 0x38 189 190 #define PCIR_BRIDGECTL_2 0x3e 191 192 #define PCIR_SUBVEND_2 0x40 193 #define PCIR_SUBDEV_2 0x42 194 195 #define PCIR_PCCARDIF_2 0x44 196 197 /* PCI device class, subclass and programming interface definitions */ 198 199 #define PCIC_OLD 0x00 200 #define PCIS_OLD_NONVGA 0x00 201 #define PCIS_OLD_VGA 0x01 202 203 #define PCIC_STORAGE 0x01 204 #define PCIS_STORAGE_SCSI 0x00 205 #define PCIS_STORAGE_IDE 0x01 206 #define PCIP_STORAGE_IDE_MODEPRIM 0x01 207 #define PCIP_STORAGE_IDE_PROGINDPRIM 0x02 208 #define PCIP_STORAGE_IDE_MODESEC 0x04 209 #define PCIP_STORAGE_IDE_PROGINDSEC 0x08 210 #define PCIP_STORAGE_IDE_MASTERDEV 0x80 211 #define PCIS_STORAGE_FLOPPY 0x02 212 #define PCIS_STORAGE_IPI 0x03 213 #define PCIS_STORAGE_RAID 0x04 214 #define PCIS_STORAGE_OTHER 0x80 215 216 #define PCIC_NETWORK 0x02 217 #define PCIS_NETWORK_ETHERNET 0x00 218 #define PCIS_NETWORK_TOKENRING 0x01 219 #define PCIS_NETWORK_FDDI 0x02 220 #define PCIS_NETWORK_ATM 0x03 221 #define PCIS_NETWORK_ISDN 0x04 222 #define PCIS_NETWORK_OTHER 0x80 223 224 #define PCIC_DISPLAY 0x03 225 #define PCIS_DISPLAY_VGA 0x00 226 #define PCIS_DISPLAY_XGA 0x01 227 #define PCIS_DISPLAY_3D 0x02 228 #define PCIS_DISPLAY_OTHER 0x80 229 230 #define PCIC_MULTIMEDIA 0x04 231 #define PCIS_MULTIMEDIA_VIDEO 0x00 232 #define PCIS_MULTIMEDIA_AUDIO 0x01 233 #define PCIS_MULTIMEDIA_TELE 0x02 234 #define PCIS_MULTIMEDIA_OTHER 0x80 235 236 #define PCIC_MEMORY 0x05 237 #define PCIS_MEMORY_RAM 0x00 238 #define PCIS_MEMORY_FLASH 0x01 239 #define PCIS_MEMORY_OTHER 0x80 240 241 #define PCIC_BRIDGE 0x06 242 #define PCIS_BRIDGE_HOST 0x00 243 #define PCIS_BRIDGE_ISA 0x01 244 #define PCIS_BRIDGE_EISA 0x02 245 #define PCIS_BRIDGE_MCA 0x03 246 #define PCIS_BRIDGE_PCI 0x04 247 #define PCIS_BRIDGE_PCMCIA 0x05 248 #define PCIS_BRIDGE_NUBUS 0x06 249 #define PCIS_BRIDGE_CARDBUS 0x07 250 #define PCIS_BRIDGE_RACEWAY 0x08 251 #define PCIS_BRIDGE_OTHER 0x80 252 253 #define PCIC_SIMPLECOMM 0x07 254 #define PCIS_SIMPLECOMM_UART 0x00 255 #define PCIP_SIMPLECOMM_UART_16550A 0x02 256 #define PCIS_SIMPLECOMM_PAR 0x01 257 #define PCIS_SIMPLECOMM_MULSER 0x02 258 #define PCIS_SIMPLECOMM_MODEM 0x03 259 #define PCIS_SIMPLECOMM_OTHER 0x80 260 261 #define PCIC_BASEPERIPH 0x08 262 #define PCIS_BASEPERIPH_PIC 0x00 263 #define PCIS_BASEPERIPH_DMA 0x01 264 #define PCIS_BASEPERIPH_TIMER 0x02 265 #define PCIS_BASEPERIPH_RTC 0x03 266 #define PCIS_BASEPERIPH_PCIHOT 0x04 267 #define PCIS_BASEPERIPH_SDHC 0x05 268 #define PCIS_BASEPERIPH_OTHER 0x80 269 270 #define PCIC_INPUTDEV 0x09 271 #define PCIS_INPUTDEV_KEYBOARD 0x00 272 #define PCIS_INPUTDEV_DIGITIZER 0x01 273 #define PCIS_INPUTDEV_MOUSE 0x02 274 #define PCIS_INPUTDEV_SCANNER 0x03 275 #define PCIS_INPUTDEV_GAMEPORT 0x04 276 #define PCIS_INPUTDEV_OTHER 0x80 277 278 #define PCIC_DOCKING 0x0a 279 #define PCIS_DOCKING_GENERIC 0x00 280 #define PCIS_DOCKING_OTHER 0x80 281 282 #define PCIC_PROCESSOR 0x0b 283 #define PCIS_PROCESSOR_386 0x00 284 #define PCIS_PROCESSOR_486 0x01 285 #define PCIS_PROCESSOR_PENTIUM 0x02 286 #define PCIS_PROCESSOR_ALPHA 0x10 287 #define PCIS_PROCESSOR_POWERPC 0x20 288 #define PCIS_PROCESSOR_MIPS 0x30 289 #define PCIS_PROCESSOR_COPROC 0x40 290 291 #define PCIC_SERIALBUS 0x0c 292 #define PCIS_SERIALBUS_FW 0x00 293 #define PCIS_SERIALBUS_ACCESS 0x01 294 #define PCIS_SERIALBUS_SSA 0x02 295 #define PCIS_SERIALBUS_USB 0x03 296 #define PCIP_SERIALBUS_USB_UHCI 0x00 297 #define PCIP_SERIALBUS_USB_OHCI 0x10 298 #define PCIP_SERIALBUS_USB_EHCI 0x20 299 #define PCIS_SERIALBUS_FC 0x04 300 #define PCIS_SERIALBUS_SMBUS 0x05 301 302 #define PCIC_WIRELESS 0x0d 303 #define PCIS_WIRELESS_IRDA 0x00 304 #define PCIS_WIRELESS_IR 0x01 305 #define PCIS_WIRELESS_RF 0x10 306 #define PCIS_WIRELESS_OTHER 0x80 307 308 #define PCIC_INTELLIIO 0x0e 309 #define PCIS_INTELLIIO_I2O 0x00 310 311 #define PCIC_SATCOM 0x0f 312 #define PCIS_SATCOM_TV 0x01 313 #define PCIS_SATCOM_AUDIO 0x02 314 #define PCIS_SATCOM_VOICE 0x03 315 #define PCIS_SATCOM_DATA 0x04 316 317 #define PCIC_CRYPTO 0x10 318 #define PCIS_CRYPTO_NETCOMP 0x00 319 #define PCIS_CRYPTO_ENTERTAIN 0x10 320 #define PCIS_CRYPTO_OTHER 0x80 321 322 #define PCIC_DASP 0x11 323 #define PCIS_DASP_DPIO 0x00 324 #define PCIS_DASP_OTHER 0x80 325 326 #define PCIC_OTHER 0xff 327 328 /* Bridge Control Values. */ 329 #define PCIB_BCR_PERR_ENABLE 0x0001 330 #define PCIB_BCR_SERR_ENABLE 0x0002 331 #define PCIB_BCR_ISA_ENABLE 0x0004 332 #define PCIB_BCR_VGA_ENABLE 0x0008 333 #define PCIB_BCR_MASTER_ABORT_MODE 0x0020 334 #define PCIB_BCR_SECBUS_RESET 0x0040 335 #define PCIB_BCR_SECBUS_BACKTOBACK 0x0080 336 #define PCIB_BCR_PRI_DISCARD_TIMEOUT 0x0100 337 #define PCIB_BCR_SEC_DISCARD_TIMEOUT 0x0200 338 #define PCIB_BCR_DISCARD_TIMER_STATUS 0x0400 339 #define PCIB_BCR_DISCARD_TIMER_SERREN 0x0800 340 341 /* PCI power manangement */ 342 343 #define PCIR_POWER_CAP 0x2 344 #define PCIM_PCAP_SPEC 0x0007 345 #define PCIM_PCAP_PMEREQCLK 0x0008 346 #define PCIM_PCAP_PMEREQPWR 0x0010 347 #define PCIM_PCAP_DEVSPECINIT 0x0020 348 #define PCIM_PCAP_DYNCLOCK 0x0040 349 #define PCIM_PCAP_SECCLOCK 0x00c0 350 #define PCIM_PCAP_CLOCKMASK 0x00c0 351 #define PCIM_PCAP_REQFULLCLOCK 0x0100 352 #define PCIM_PCAP_D1SUPP 0x0200 353 #define PCIM_PCAP_D2SUPP 0x0400 354 #define PCIM_PCAP_D0PME 0x1000 355 #define PCIM_PCAP_D1PME 0x2000 356 #define PCIM_PCAP_D2PME 0x4000 357 358 #define PCIR_POWER_STATUS 0x4 359 #define PCIM_PSTAT_D0 0x0000 360 #define PCIM_PSTAT_D1 0x0001 361 #define PCIM_PSTAT_D2 0x0002 362 #define PCIM_PSTAT_D3 0x0003 363 #define PCIM_PSTAT_DMASK 0x0003 364 #define PCIM_PSTAT_REPENABLE 0x0010 365 #define PCIM_PSTAT_PMEENABLE 0x0100 366 #define PCIM_PSTAT_D0POWER 0x0000 367 #define PCIM_PSTAT_D1POWER 0x0200 368 #define PCIM_PSTAT_D2POWER 0x0400 369 #define PCIM_PSTAT_D3POWER 0x0600 370 #define PCIM_PSTAT_D0HEAT 0x0800 371 #define PCIM_PSTAT_D1HEAT 0x1000 372 #define PCIM_PSTAT_D2HEAT 0x1200 373 #define PCIM_PSTAT_D3HEAT 0x1400 374 #define PCIM_PSTAT_DATAUNKN 0x0000 375 #define PCIM_PSTAT_DATADIV10 0x2000 376 #define PCIM_PSTAT_DATADIV100 0x4000 377 #define PCIM_PSTAT_DATADIV1000 0x6000 378 #define PCIM_PSTAT_DATADIVMASK 0x6000 379 #define PCIM_PSTAT_PME 0x8000 380 381 #define PCIR_POWER_PMCSR 0x6 382 #define PCIM_PMCSR_DCLOCK 0x10 383 #define PCIM_PMCSR_B2SUPP 0x20 384 #define PCIM_BMCSR_B3SUPP 0x40 385 #define PCIM_BMCSR_BPCE 0x80 386 387 #define PCIR_POWER_DATA 0x7 388 389 /* PCI Message Signalled Interrupts (MSI) */ 390 #define PCIR_MSI_CTRL 0x2 391 #define PCIM_MSICTRL_VECTOR 0x0100 392 #define PCIM_MSICTRL_64BIT 0x0080 393 #define PCIM_MSICTRL_MME_MASK 0x0070 394 #define PCIM_MSICTRL_MME_1 0x0000 395 #define PCIM_MSICTRL_MME_2 0x0010 396 #define PCIM_MSICTRL_MME_4 0x0020 397 #define PCIM_MSICTRL_MME_8 0x0030 398 #define PCIM_MSICTRL_MME_16 0x0040 399 #define PCIM_MSICTRL_MME_32 0x0050 400 #define PCIM_MSICTRL_MMC_MASK 0x000E 401 #define PCIM_MSICTRL_MMC_1 0x0000 402 #define PCIM_MSICTRL_MMC_2 0x0002 403 #define PCIM_MSICTRL_MMC_4 0x0004 404 #define PCIM_MSICTRL_MMC_8 0x0006 405 #define PCIM_MSICTRL_MMC_16 0x0008 406 #define PCIM_MSICTRL_MMC_32 0x000A 407 #define PCIM_MSICTRL_MSI_ENABLE 0x0001 408 #define PCIR_MSI_ADDR 0x4 409 #define PCIR_MSI_ADDR_HIGH 0x8 410 #define PCIR_MSI_DATA 0x8 411 #define PCIR_MSI_DATA_64BIT 0xc 412 #define PCIR_MSI_MASK 0x10 413 #define PCIR_MSI_PENDING 0x14 414 415 /* PCI-X definitions */ 416 417 /* For header type 0 devices */ 418 #define PCIXR_COMMAND 0x2 419 #define PCIXM_COMMAND_DPERR_E 0x0001 /* Data Parity Error Recovery */ 420 #define PCIXM_COMMAND_ERO 0x0002 /* Enable Relaxed Ordering */ 421 #define PCIXM_COMMAND_MAX_READ 0x000c /* Maximum Burst Read Count */ 422 #define PCIXM_COMMAND_MAX_READ_512 0x0000 423 #define PCIXM_COMMAND_MAX_READ_1024 0x0004 424 #define PCIXM_COMMAND_MAX_READ_2048 0x0008 425 #define PCIXM_COMMAND_MAX_READ_4096 0x000c 426 #define PCIXM_COMMAND_MAX_SPLITS 0x0070 /* Maximum Split Transactions */ 427 #define PCIXM_COMMAND_MAX_SPLITS_1 0x0000 428 #define PCIXM_COMMAND_MAX_SPLITS_2 0x0010 429 #define PCIXM_COMMAND_MAX_SPLITS_3 0x0020 430 #define PCIXM_COMMAND_MAX_SPLITS_4 0x0030 431 #define PCIXM_COMMAND_MAX_SPLITS_8 0x0040 432 #define PCIXM_COMMAND_MAX_SPLITS_12 0x0050 433 #define PCIXM_COMMAND_MAX_SPLITS_16 0x0060 434 #define PCIXM_COMMAND_MAX_SPLITS_32 0x0070 435 #define PCIXM_COMMAND_VERSION 0x3000 436 #define PCIXR_STATUS 0x4 437 #define PCIXM_STATUS_DEVFN 0x000000FF 438 #define PCIXM_STATUS_BUS 0x0000FF00 439 #define PCIXM_STATUS_64BIT 0x00010000 440 #define PCIXM_STATUS_133CAP 0x00020000 441 #define PCIXM_STATUS_SC_DISCARDED 0x00040000 442 #define PCIXM_STATUS_UNEXP_SC 0x00080000 443 #define PCIXM_STATUS_COMPLEX_DEV 0x00100000 444 #define PCIXM_STATUS_MAX_READ 0x00600000 445 #define PCIXM_STATUS_MAX_READ_512 0x00000000 446 #define PCIXM_STATUS_MAX_READ_1024 0x00200000 447 #define PCIXM_STATUS_MAX_READ_2048 0x00400000 448 #define PCIXM_STATUS_MAX_READ_4096 0x00600000 449 #define PCIXM_STATUS_MAX_SPLITS 0x03800000 450 #define PCIXM_STATUS_MAX_SPLITS_1 0x00000000 451 #define PCIXM_STATUS_MAX_SPLITS_2 0x00800000 452 #define PCIXM_STATUS_MAX_SPLITS_3 0x01000000 453 #define PCIXM_STATUS_MAX_SPLITS_4 0x01800000 454 #define PCIXM_STATUS_MAX_SPLITS_8 0x02000000 455 #define PCIXM_STATUS_MAX_SPLITS_12 0x02800000 456 #define PCIXM_STATUS_MAX_SPLITS_16 0x03000000 457 #define PCIXM_STATUS_MAX_SPLITS_32 0x03800000 458 #define PCIXM_STATUS_MAX_CUM_READ 0x1C000000 459 #define PCIXM_STATUS_RCVD_SC_ERR 0x20000000 460 #define PCIXM_STATUS_266CAP 0x40000000 461 #define PCIXM_STATUS_533CAP 0x80000000 462 463 /* For header type 1 devices (PCI-X bridges) */ 464 #define PCIXR_SEC_STATUS 0x2 465 #define PCIXM_SEC_STATUS_64BIT 0x0001 466 #define PCIXM_SEC_STATUS_133CAP 0x0002 467 #define PCIXM_SEC_STATUS_SC_DISC 0x0004 468 #define PCIXM_SEC_STATUS_UNEXP_SC 0x0008 469 #define PCIXM_SEC_STATUS_SC_OVERRUN 0x0010 470 #define PCIXM_SEC_STATUS_SR_DELAYED 0x0020 471 #define PCIXM_SEC_STATUS_BUS_MODE 0x03c0 472 #define PCIXM_SEC_STATUS_VERSION 0x3000 473 #define PCIXM_SEC_STATUS_266CAP 0x4000 474 #define PCIXM_SEC_STATUS_533CAP 0x8000 475 #define PCIXR_BRIDGE_STATUS 0x4 476 #define PCIXM_BRIDGE_STATUS_DEVFN 0x000000FF 477 #define PCIXM_BRIDGE_STATUS_BUS 0x0000FF00 478 #define PCIXM_BRIDGE_STATUS_64BIT 0x00010000 479 #define PCIXM_BRIDGE_STATUS_133CAP 0x00020000 480 #define PCIXM_BRIDGE_STATUS_SC_DISCARDED 0x00040000 481 #define PCIXM_BRIDGE_STATUS_UNEXP_SC 0x00080000 482 #define PCIXM_BRIDGE_STATUS_SC_OVERRUN 0x00100000 483 #define PCIXM_BRIDGE_STATUS_SR_DELAYED 0x00200000 484 #define PCIXM_BRIDGE_STATUS_DEVID_MSGCAP 0x20000000 485 #define PCIXM_BRIDGE_STATUS_266CAP 0x40000000 486 #define PCIXM_BRIDGE_STATUS_533CAP 0x80000000 487 488 /* HT (HyperTransport) Capability definitions */ 489 #define PCIR_HT_COMMAND 0x2 490 #define PCIM_HTCMD_CAP_MASK 0xf800 /* Capability type. */ 491 #define PCIM_HTCAP_SLAVE 0x0000 /* 000xx */ 492 #define PCIM_HTCAP_HOST 0x2000 /* 001xx */ 493 #define PCIM_HTCAP_SWITCH 0x4000 /* 01000 */ 494 #define PCIM_HTCAP_INTERRUPT 0x8000 /* 10000 */ 495 #define PCIM_HTCAP_REVISION_ID 0x8800 /* 10001 */ 496 #define PCIM_HTCAP_UNITID_CLUMPING 0x9000 /* 10010 */ 497 #define PCIM_HTCAP_EXT_CONFIG_SPACE 0x9800 /* 10011 */ 498 #define PCIM_HTCAP_ADDRESS_MAPPING 0xa000 /* 10100 */ 499 #define PCIM_HTCAP_MSI_MAPPING 0xa800 /* 10101 */ 500 #define PCIM_HTCAP_DIRECT_ROUTE 0xb000 /* 10110 */ 501 #define PCIM_HTCAP_VCSET 0xb800 /* 10111 */ 502 #define PCIM_HTCAP_RETRY_MODE 0xc000 /* 11000 */ 503 504 /* HT MSI Mapping Capability definitions. */ 505 #define PCIM_HTCMD_MSI_ENABLE 0x0001 506 #define PCIR_HTMSI_ADDRESS_LO 0x4 507 #define PCIR_HTMSI_ADDRESS_HI 0x8 508 509 /* PCI Vendor capability definitions */ 510 #define PCIR_VENDOR_LENGTH 0x2 511 #define PCIR_VENDOR_DATA 0x3 512 513 /* PCI EHCI Debug Port definitions */ 514 #define PCIR_DEBUG_PORT 0x2 515 #define PCIM_DEBUG_PORT_OFFSET 0x1FFF 516 #define PCIM_DEBUG_PORT_BAR 0xe000 517 518 /* PCI-PCI Bridge Subvendor definitions */ 519 #define PCIR_SUBVENDCAP_ID 0x4 520 521 /* PCI Express definitions */ 522 #define PCIR_EXPRESS_FLAGS 0x2 523 #define PCIM_EXP_FLAGS_VERSION 0x000F 524 #define PCIM_EXP_FLAGS_TYPE 0x00F0 525 #define PCIM_EXP_TYPE_ENDPOINT 0x0000 526 #define PCIM_EXP_TYPE_LEGACY_ENDPOINT 0x0010 527 #define PCIM_EXP_TYPE_ROOT_PORT 0x0040 528 #define PCIM_EXP_TYPE_UPSTREAM_PORT 0x0050 529 #define PCIM_EXP_TYPE_DOWNSTREAM_PORT 0x0060 530 #define PCIM_EXP_TYPE_PCI_BRIDGE 0x0070 531 #define PCIM_EXP_FLAGS_SLOT 0x0100 532 #define PCIM_EXP_FLAGS_IRQ 0x3e00 533 534 /* MSI-X definitions */ 535 #define PCIR_MSIX_CTRL 0x2 536 #define PCIM_MSIXCTRL_MSIX_ENABLE 0x8000 537 #define PCIM_MSIXCTRL_FUNCTION_MASK 0x4000 538 #define PCIM_MSIXCTRL_TABLE_SIZE 0x07FF 539 #define PCIR_MSIX_TABLE 0x4 540 #define PCIR_MSIX_PBA 0x8 541 #define PCIM_MSIX_BIR_MASK 0x7 542 #define PCIM_MSIX_BIR_BAR_10 0 543 #define PCIM_MSIX_BIR_BAR_14 1 544 #define PCIM_MSIX_BIR_BAR_18 2 545 #define PCIM_MSIX_BIR_BAR_1C 3 546 #define PCIM_MSIX_BIR_BAR_20 4 547 #define PCIM_MSIX_BIR_BAR_24 5 548 #define PCIM_MSIX_VCTRL_MASK 0x1 549