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[unleashed/tickless.git] / include / sys / pci.h
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1 /*
2 * CDDL HEADER START
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
19 * CDDL HEADER END
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
26 #ifndef _SYS_PCI_H
27 #define _SYS_PCI_H
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
34 * PCI Configuration Header offsets
36 #define PCI_CONF_VENID 0x0 /* vendor id, 2 bytes */
37 #define PCI_CONF_DEVID 0x2 /* device id, 2 bytes */
38 #define PCI_CONF_COMM 0x4 /* command register, 2 bytes */
39 #define PCI_CONF_STAT 0x6 /* status register, 2 bytes */
40 #define PCI_CONF_REVID 0x8 /* revision id, 1 byte */
41 #define PCI_CONF_PROGCLASS 0x9 /* programming class code, 1 byte */
42 #define PCI_CONF_SUBCLASS 0xA /* sub-class code, 1 byte */
43 #define PCI_CONF_BASCLASS 0xB /* basic class code, 1 byte */
44 #define PCI_CONF_CACHE_LINESZ 0xC /* cache line size, 1 byte */
45 #define PCI_CONF_LATENCY_TIMER 0xD /* latency timer, 1 byte */
46 #define PCI_CONF_HEADER 0xE /* header type, 1 byte */
47 #define PCI_CONF_BIST 0xF /* builtin self test, 1 byte */
50 * Header type 0 offsets
52 #define PCI_CONF_BASE0 0x10 /* base register 0, 4 bytes */
53 #define PCI_CONF_BASE1 0x14 /* base register 1, 4 bytes */
54 #define PCI_CONF_BASE2 0x18 /* base register 2, 4 bytes */
55 #define PCI_CONF_BASE3 0x1c /* base register 3, 4 bytes */
56 #define PCI_CONF_BASE4 0x20 /* base register 4, 4 bytes */
57 #define PCI_CONF_BASE5 0x24 /* base register 5, 4 bytes */
58 #define PCI_CONF_CIS 0x28 /* Cardbus CIS Pointer */
59 #define PCI_CONF_SUBVENID 0x2c /* Subsystem Vendor ID */
60 #define PCI_CONF_SUBSYSID 0x2e /* Subsystem ID */
61 #define PCI_CONF_ROM 0x30 /* ROM base register, 4 bytes */
62 #define PCI_CONF_CAP_PTR 0x34 /* capabilities pointer, 1 byte */
63 #define PCI_CONF_ILINE 0x3c /* interrupt line, 1 byte */
64 #define PCI_CONF_IPIN 0x3d /* interrupt pin, 1 byte */
65 #define PCI_CONF_MIN_G 0x3e /* minimum grant, 1 byte */
66 #define PCI_CONF_MAX_L 0x3f /* maximum grant, 1 byte */
69 * PCI to PCI bridge configuration space header format
71 #define PCI_BCNF_PRIBUS 0x18 /* primary bus number */
72 #define PCI_BCNF_SECBUS 0x19 /* secondary bus number */
73 #define PCI_BCNF_SUBBUS 0x1a /* subordinate bus number */
74 #define PCI_BCNF_LATENCY_TIMER 0x1b
75 #define PCI_BCNF_IO_BASE_LOW 0x1c
76 #define PCI_BCNF_IO_LIMIT_LOW 0x1d
77 #define PCI_BCNF_SEC_STATUS 0x1e
78 #define PCI_BCNF_MEM_BASE 0x20
79 #define PCI_BCNF_MEM_LIMIT 0x22
80 #define PCI_BCNF_PF_BASE_LOW 0x24
81 #define PCI_BCNF_PF_LIMIT_LOW 0x26
82 #define PCI_BCNF_PF_BASE_HIGH 0x28
83 #define PCI_BCNF_PF_LIMIT_HIGH 0x2c
84 #define PCI_BCNF_IO_BASE_HI 0x30
85 #define PCI_BCNF_IO_LIMIT_HI 0x32
86 #define PCI_BCNF_CAP_PTR 0x34
87 #define PCI_BCNF_ROM 0x38
88 #define PCI_BCNF_ILINE 0x3c
89 #define PCI_BCNF_IPIN 0x3d
90 #define PCI_BCNF_BCNTRL 0x3e
92 #define PCI_BCNF_BASE_NUM 0x2
95 * PCI to PCI bridge control register (0x3e) format
97 #define PCI_BCNF_BCNTRL_PARITY_ENABLE 0x1
98 #define PCI_BCNF_BCNTRL_SERR_ENABLE 0x2
99 #define PCI_BCNF_BCNTRL_ISA_ENABLE 0x4
100 #define PCI_BCNF_BCNTRL_VGA_ENABLE 0x8
101 #define PCI_BCNF_BCNTRL_MAST_AB_MODE 0x20
102 #define PCI_BCNF_BCNTRL_DTO_STAT 0x400
104 #define PCI_BCNF_BCNTRL_RESET 0x0040
105 #define PCI_BCNF_BCNTRL_B2B_ENAB 0x0080
107 #define PCI_BCNF_IO_MASK 0xf0
108 #define PCI_BCNF_MEM_MASK 0xfff0
111 * Header type 2 (Cardbus) offsets
113 #define PCI_CBUS_SOCK_REG 0x10 /* Cardbus socket regs, 4 bytes */
114 #define PCI_CBUS_CAP_PTR 0x14 /* Capability ptr, 1 byte */
115 #define PCI_CBUS_RESERVED1 0x15 /* Reserved, 1 byte */
116 #define PCI_CBUS_SEC_STATUS 0x16 /* Secondary status, 2 bytes */
117 #define PCI_CBUS_PCI_BUS_NO 0x18 /* PCI bus number, 1 byte */
118 #define PCI_CBUS_CBUS_NO 0x19 /* Cardbus bus number, 1 byte */
119 #define PCI_CBUS_SUB_BUS_NO 0x1a /* Subordinate bus number, 1 byte */
120 #define PCI_CBUS_LATENCY_TIMER 0x1b /* Cardbus latency timer, 1 byte */
121 #define PCI_CBUS_MEM_BASE0 0x1c /* Memory base reg 0, 4 bytes */
122 #define PCI_CBUS_MEM_LIMIT0 0x20 /* Memory limit reg 0, 4 bytes */
123 #define PCI_CBUS_MEM_BASE1 0x24 /* Memory base reg 1, 4 bytes */
124 #define PCI_CBUS_MEM_LIMIT1 0x28 /* Memory limit reg 1, 4 bytes */
125 #define PCI_CBUS_IO_BASE0 0x2c /* IO base reg 0, 4 bytes */
126 #define PCI_CBUS_IO_LIMIT0 0x30 /* IO limit reg 0, 4 bytes */
127 #define PCI_CBUS_IO_BASE1 0x34 /* IO base reg 1, 4 bytes */
128 #define PCI_CBUS_IO_LIMIT1 0x38 /* IO limit reg 1, 4 bytes */
129 #define PCI_CBUS_ILINE 0x3c /* interrupt line, 1 byte */
130 #define PCI_CBUS_IPIN 0x3d /* interrupt pin, 1 byte */
131 #define PCI_CBUS_BRIDGE_CTRL 0x3e /* Bridge control, 2 bytes */
132 #define PCI_CBUS_SUBVENID 0x40 /* Subsystem Vendor ID, 2 bytes */
133 #define PCI_CBUS_SUBSYSID 0x42 /* Subsystem ID, 2 bytes */
134 #define PCI_CBUS_LEG_MODE_ADDR 0x44 /* PCCard 16bit IF legacy mode addr */
136 #define PCI_CBUS_BASE_NUM 0x1 /* number of base registers */
139 * PCI command register bits
141 #define PCI_COMM_IO 0x1 /* I/O access enable */
142 #define PCI_COMM_MAE 0x2 /* memory access enable */
143 #define PCI_COMM_ME 0x4 /* master enable */
144 #define PCI_COMM_SPEC_CYC 0x8
145 #define PCI_COMM_MEMWR_INVAL 0x10
146 #define PCI_COMM_PALETTE_SNOOP 0x20
147 #define PCI_COMM_PARITY_DETECT 0x40
148 #define PCI_COMM_WAIT_CYC_ENAB 0x80
149 #define PCI_COMM_SERR_ENABLE 0x100
150 #define PCI_COMM_BACK2BACK_ENAB 0x200
151 #define PCI_COMM_INTX_DISABLE 0x400 /* INTx emulation disable */
154 * PCI Interrupt pin value
156 #define PCI_INTA 1
157 #define PCI_INTB 2
158 #define PCI_INTC 3
159 #define PCI_INTD 4
162 * PCI status register bits
164 #define PCI_STAT_INTR 0x8 /* Interrupt state */
165 #define PCI_STAT_CAP 0x10 /* Implements Capabilities */
166 #define PCI_STAT_66MHZ 0x20 /* 66 MHz capable */
167 #define PCI_STAT_UDF 0x40 /* UDF supported */
168 #define PCI_STAT_FBBC 0x80 /* Fast Back-to-Back Capable */
169 #define PCI_STAT_S_PERROR 0x100 /* Data Parity Reported */
170 #define PCI_STAT_DEVSELT 0x600 /* Device select timing */
171 #define PCI_STAT_S_TARG_AB 0x800 /* Signaled Target Abort */
172 #define PCI_STAT_R_TARG_AB 0x1000 /* Received Target Abort */
173 #define PCI_STAT_R_MAST_AB 0x2000 /* Received Master Abort */
174 #define PCI_STAT_S_SYSERR 0x4000 /* Signaled System Error */
175 #define PCI_STAT_PERROR 0x8000 /* Detected Parity Error */
178 * DEVSEL timing values
180 #define PCI_STAT_DEVSELT_FAST 0x0000
181 #define PCI_STAT_DEVSELT_MEDIUM 0x0200
182 #define PCI_STAT_DEVSELT_SLOW 0x0400
185 * BIST values
187 #define PCI_BIST_SUPPORTED 0x80
188 #define PCI_BIST_GO 0x40
189 #define PCI_BIST_RESULT_M 0x0f
190 #define PCI_BIST_RESULT_OK 0x00
193 * PCI class codes
195 #define PCI_CLASS_NONE 0x0 /* class code for pre-2.0 devices */
196 #define PCI_CLASS_MASS 0x1 /* Mass storage Controller class */
197 #define PCI_CLASS_NET 0x2 /* Network Controller class */
198 #define PCI_CLASS_DISPLAY 0x3 /* Display Controller class */
199 #define PCI_CLASS_MM 0x4 /* Multimedia Controller class */
200 #define PCI_CLASS_MEM 0x5 /* Memory Controller class */
201 #define PCI_CLASS_BRIDGE 0x6 /* Bridge Controller class */
202 #define PCI_CLASS_COMM 0x7 /* Communications Controller class */
203 #define PCI_CLASS_PERIPH 0x8 /* Peripheral Controller class */
204 #define PCI_CLASS_INPUT 0x9 /* Input Device class */
205 #define PCI_CLASS_DOCK 0xa /* Docking Station class */
206 #define PCI_CLASS_PROCESSOR 0xb /* Processor class */
207 #define PCI_CLASS_SERIALBUS 0xc /* Serial Bus class */
208 #define PCI_CLASS_WIRELESS 0xd /* Wireless Controller class */
209 #define PCI_CLASS_INTIO 0xe /* Intelligent IO Controller class */
210 #define PCI_CLASS_SATELLITE 0xf /* Satellite Communication class */
211 #define PCI_CLASS_CRYPT 0x10 /* Encrytion/Decryption class */
212 #define PCI_CLASS_SIGNAL 0x11 /* Signal Processing class */
215 * PCI Sub-class codes - base class 0x0 (no new devices should use this code).
217 #define PCI_NONE_NOTVGA 0x0 /* All devices except VGA compatible */
218 #define PCI_NONE_VGA 0x1 /* VGA compatible */
221 * PCI Sub-class codes - base class 0x1 (mass storage controllers)
223 #define PCI_MASS_SCSI 0x0 /* SCSI bus Controller */
224 #define PCI_MASS_IDE 0x1 /* IDE Controller */
225 #define PCI_MASS_FD 0x2 /* Floppy disk Controller */
226 #define PCI_MASS_IPI 0x3 /* IPI bus Controller */
227 #define PCI_MASS_RAID 0x4 /* RAID Controller */
228 #define PCI_MASS_ATA 0x5 /* ATA Controller */
229 #define PCI_MASS_SATA 0x6 /* Serial ATA */
230 #define PCI_MASS_SAS 0x7 /* Serial Attached SCSI (SAS) Cntrlr */
231 #define PCI_MASS_OTHER 0x80 /* Other Mass Storage Controller */
234 * programming interface for IDE (subclass 1)
236 #define PCI_IDE_IF_NATIVE_PRI 0x1 /* primary channel is native */
237 #define PCI_IDE_IF_PROG_PRI 0x2 /* primary can operate in either mode */
238 #define PCI_IDE_IF_NATIVE_SEC 0x4 /* secondary channel is native */
239 #define PCI_IDE_IF_PROG_SEC 0x8 /* sec. can operate in either mode */
240 #define PCI_IDE_IF_MASK 0xf /* programming interface mask */
244 * programming interface for ATA (subclass 5)
246 #define PCI_ATA_IF_SINGLE_DMA 0x20 /* ATA controller with single DMA */
247 #define PCI_ATA_IF_CHAINED_DMA 0x30 /* ATA controller with chained DMA */
250 * programming interface for ATA (subclass 6) for SATA
252 #define PCI_SATA_VS_INTERFACE 0x0 /* SATA Ctlr Vendor Specific Intfc */
253 #define PCI_SATA_AHCI_INTERFACE 0x1 /* SATA Ctlr AHCI 1.0 Interface */
254 #define PCI_SATA_SSB_INTERFACE 0x2 /* Serial Storage Bus Interface */
257 * programming interface for ATA (subclass 7) for SAS
259 #define PCI_SAS_CONTROLLER 0x0 /* SAS Controller */
260 #define PCI_SAS_BUS_INTERFACE 0x1 /* Serial Storage Bus Interface */
263 * PCI Sub-class codes - base class 0x2 (Network controllers)
265 #define PCI_NET_ENET 0x0 /* Ethernet Controller */
266 #define PCI_NET_TOKEN 0x1 /* Token Ring Controller */
267 #define PCI_NET_FDDI 0x2 /* FDDI Controller */
268 #define PCI_NET_ATM 0x3 /* ATM Controller */
269 #define PCI_NET_ISDN 0x4 /* ISDN Controller */
270 #define PCI_NET_WFIP 0x5 /* WorldFip Controller */
271 #define PCI_NET_PICMG 0x6 /* PICMG 2.14 Multi Computing */
272 #define PCI_NET_OTHER 0x80 /* Other Network Controller */
275 * PCI Sub-class codes - base class 03 (display controllers)
277 #define PCI_DISPLAY_VGA 0x0 /* VGA device */
278 #define PCI_DISPLAY_XGA 0x1 /* XGA device */
279 #define PCI_DISPLAY_3D 0x2 /* 3D controller */
280 #define PCI_DISPLAY_OTHER 0x80 /* Other Display Device */
283 * programming interface for display for display class (subclass 0) VGA ctrlrs
285 #define PCI_DISPLAY_IF_VGA 0x0 /* VGA compatible */
286 #define PCI_DISPLAY_IF_8514 0x1 /* 8514 compatible */
289 * PCI Sub-class codes - base class 0x4 (multi-media devices)
291 #define PCI_MM_VIDEO 0x0 /* Video device */
292 #define PCI_MM_AUDIO 0x1 /* Audio device */
293 #define PCI_MM_TELEPHONY 0x2 /* Computer Telephony device */
294 #define PCI_MM_MIXED_MODE 0x3 /* Mixed Mode device */
295 #define PCI_MM_OTHER 0x80 /* Other Multimedia Device */
298 * PCI Sub-class codes - base class 0x5 (memory controllers)
300 #define PCI_MEM_RAM 0x0 /* RAM device */
301 #define PCI_MEM_FLASH 0x1 /* FLASH device */
302 #define PCI_MEM_OTHER 0x80 /* Other Memory Controller */
305 * PCI Sub-class codes - base class 0x6 (Bridge devices)
307 #define PCI_BRIDGE_HOST 0x0 /* Host/PCI Bridge */
308 #define PCI_BRIDGE_ISA 0x1 /* PCI/ISA Bridge */
309 #define PCI_BRIDGE_EISA 0x2 /* PCI/EISA Bridge */
310 #define PCI_BRIDGE_MC 0x3 /* PCI/MC Bridge */
311 #define PCI_BRIDGE_PCI 0x4 /* PCI/PCI Bridge */
312 #define PCI_BRIDGE_PCMCIA 0x5 /* PCI/PCMCIA Bridge */
313 #define PCI_BRIDGE_NUBUS 0x6 /* PCI/NUBUS Bridge */
314 #define PCI_BRIDGE_CARDBUS 0x7 /* PCI/CARDBUS Bridge */
315 #define PCI_BRIDGE_RACE 0x8 /* RACE-way Bridge */
316 #define PCI_BRIDGE_STPCI 0x9 /* Semi-transparent PCI/PCI Bridge */
317 #define PCI_BRIDGE_IB 0xA /* InfiniBand/PCI host Bridge */
318 #define PCI_BRIDGE_AS 0xB /* AS/PCI host Bridge */
319 #define PCI_BRIDGE_OTHER 0x80 /* PCI/Other Bridge Device */
322 * programming interface for Bridges class 0x6 (subclass 4) PCI-PCI bridge
324 #define PCI_BRIDGE_PCI_IF_PCI2PCI 0x0 /* PCI-PCI bridge */
325 #define PCI_BRIDGE_PCI_IF_SUBDECODE 0x1 /* Subtractive Decode */
326 /* PCI/PCI bridge */
329 * programming interface for Bridges class 0x6 (subclass 08) RACEway bridge
331 #define PCI_BRIDGE_RACE_IF_TRANSPARENT 0x0 /* Transport mode */
332 #define PCI_BRIDGE_RACE_IF_ENDPOINT 0x1 /* Endpoint mode */
335 * programming interface for Bridges class 0x6 (subclass 09)
336 * Semi-transparent PCI-to-PCI bridge
338 #define PCI_BRIDGE_STPCI_IF_PRIMARY 0x40 /* primary PCI side bus */
339 /* facing system processor */
340 #define PCI_BRIDGE_STPCI_IF_SECONDARY 0x80 /* secondary PCI side bus */
341 /* facing system processor */
344 * programming interface for Bridges class 0x6 (subclass 0B) AS bridge
346 #define PCI_BRIDGE_AS_CUSTOM_INTFC 0x0 /* Custom interface */
347 #define PCI_BRIDGE_AS_PORTAL_INTFC 0x1 /* ASI-SIG Portal Interface */
350 * PCI Sub-class codes - base class 0x7 (communication devices)
352 #define PCI_COMM_GENERIC_XT 0x0 /* XT Compatible Serial Controller */
353 #define PCI_COMM_PARALLEL 0x1 /* Parallel Port Controller */
354 #define PCI_COMM_MSC 0x2 /* Multiport Serial Controller */
355 #define PCI_COMM_MODEM 0x3 /* Modem Controller */
356 #define PCI_COMM_GPIB 0x4 /* GPIB Controller */
357 #define PCI_COMM_SMARTCARD 0x5 /* Smart Card Controller */
358 #define PCI_COMM_OTHER 0x80 /* Other Communications Controller */
361 * Programming interfaces for class 0x7 / subclass 0x0 (Serial)
363 #define PCI_COMM_SERIAL_IF_GENERIC 0x0 /* Generic XT-compat serial */
364 #define PCI_COMM_SERIAL_IF_16450 0x1 /* 16450-compat serial ctrlr */
365 #define PCI_COMM_SERIAL_IF_16550 0x2 /* 16550-compat serial ctrlr */
366 #define PCI_COMM_SERIAL_IF_16650 0x3 /* 16650-compat serial ctrlr */
367 #define PCI_COMM_SERIAL_IF_16750 0x4 /* 16750-compat serial ctrlr */
368 #define PCI_COMM_SERIAL_IF_16850 0x5 /* 16850-compat serial ctrlr */
369 #define PCI_COMM_SERIAL_IF_16950 0x6 /* 16950-compat serial ctrlr */
372 * Programming interfaces for class 0x7 / subclass 0x1 (Parallel)
374 #define PCI_COMM_PARALLEL_IF_GENERIC 0x0 /* Generic Parallel port */
375 #define PCI_COMM_PARALLEL_IF_BIDIRECT 0x1 /* Bi-directional Parallel */
376 #define PCI_COMM_PARALLEL_IF_ECP 0x2 /* ECP 1.X Parallel port */
377 #define PCI_COMM_PARALLEL_IF_1284 0x3 /* IEEE 1284 Parallel port */
378 #define PCI_COMM_PARALLEL_IF_1284_TARG 0xFE /* IEEE 1284 target device */
381 * Programming interfaces for class 0x7 / subclass 0x3 (Modem)
383 #define PCI_COMM_MODEM_IF_GENERIC 0x0 /* Generic Modem */
384 #define PCI_COMM_MODEM_IF_HAYES_16450 0x1 /* Hayes 16450-compat Modem */
385 #define PCI_COMM_MODEM_IF_HAYES_16550 0x2 /* Hayes 16550-compat Modem */
386 #define PCI_COMM_MODEM_IF_HAYES_16650 0x3 /* Hayes 16650-compat Modem */
387 #define PCI_COMM_MODEM_IF_HAYES_16750 0x4 /* Hayes 16750-compat Modem */
390 * PCI Sub-class codes - base class 0x8
392 #define PCI_PERIPH_PIC 0x0 /* Generic PIC */
393 #define PCI_PERIPH_DMA 0x1 /* Generic DMA Controller */
394 #define PCI_PERIPH_TIMER 0x2 /* Generic System Timer Controller */
395 #define PCI_PERIPH_RTC 0x3 /* Generic RTC Controller */
396 #define PCI_PERIPH_HPC 0x4 /* Generic PCI Hot-Plug Controller */
397 #define PCI_PERIPH_SD_HC 0x5 /* SD Host Controller */
398 #define PCI_PERIPH_IOMMU 0x6 /* IOMMU */
399 #define PCI_PERIPH_OTHER 0x80 /* Other System Peripheral */
402 * Programming interfaces for class 0x8 / subclass 0x0 (interrupt controller)
404 #define PCI_PERIPH_PIC_IF_GENERIC 0x0 /* Generic 8259 APIC */
405 #define PCI_PERIPH_PIC_IF_ISA 0x1 /* ISA PIC */
406 #define PCI_PERIPH_PIC_IF_EISA 0x2 /* EISA PIC */
407 #define PCI_PERIPH_PIC_IF_IO_APIC 0x10 /* I/O APIC interrupt ctrlr */
408 #define PCI_PERIPH_PIC_IF_IOX_APIC 0x20 /* I/O(x) APIC intr ctrlr */
411 * Programming interfaces for class 0x8 / subclass 0x1 (DMA controller)
413 #define PCI_PERIPH_DMA_IF_GENERIC 0x0 /* Generic 8237 DMA ctrlr */
414 #define PCI_PERIPH_DMA_IF_ISA 0x1 /* ISA DMA ctrlr */
415 #define PCI_PERIPH_DMA_IF_EISA 0x2 /* EISA DMA ctrlr */
418 * Programming interfaces for class 0x8 / subclass 0x2 (timer)
420 #define PCI_PERIPH_TIMER_IF_GENERIC 0x0 /* Generic 8254 system timer */
421 #define PCI_PERIPH_TIMER_IF_ISA 0x1 /* ISA system timers */
422 #define PCI_PERIPH_TIMER_IF_EISA 0x2 /* EISA system timers (two) */
423 #define PCI_PERIPH_TIMER_IF_HPET 0x3 /* High Perf Event timer */
426 * Programming interfaces for class 0x8 / subclass 0x3 (realtime clock)
428 #define PCI_PERIPH_RTC_IF_GENERIC 0x0 /* Generic RTC controller */
429 #define PCI_PERIPH_RTC_IF_ISA 0x1 /* ISA RTC controller */
432 * PCI Sub-class codes - base class 0x9
434 #define PCI_INPUT_KEYBOARD 0x0 /* Keyboard Controller */
435 #define PCI_INPUT_DIGITIZ 0x1 /* Digitizer (Pen) */
436 #define PCI_INPUT_MOUSE 0x2 /* Mouse Controller */
437 #define PCI_INPUT_SCANNER 0x3 /* Scanner Controller */
438 #define PCI_INPUT_GAMEPORT 0x4 /* Gameport Controller */
439 #define PCI_INPUT_OTHER 0x80 /* Other Input Controller */
442 * Programming interfaces for class 0x9 / subclass 0x4 (Gameport controller)
444 #define PCI_INPUT_GAMEPORT_IF_GENERIC 0x00 /* Generic controller */
445 #define PCI_INPUT_GAMEPORT_IF_LEGACY 0x10 /* Legacy controller */
448 * PCI Sub-class codes - base class 0xA
450 #define PCI_DOCK_GENERIC 0x00 /* Generic Docking Station */
451 #define PCI_DOCK_OTHER 0x80 /* Other Type of Docking Station */
454 * PCI Sub-class codes - base class 0xB
456 #define PCI_PROCESSOR_386 0x0 /* 386 */
457 #define PCI_PROCESSOR_486 0x1 /* 486 */
458 #define PCI_PROCESSOR_PENT 0x2 /* Pentium */
459 #define PCI_PROCESSOR_ALPHA 0x10 /* Alpha */
460 #define PCI_PROCESSOR_POWERPC 0x20 /* PowerPC */
461 #define PCI_PROCESSOR_MIPS 0x30 /* MIPS */
462 #define PCI_PROCESSOR_COPROC 0x40 /* Co-processor */
463 #define PCI_PROCESSOR_OTHER 0x80 /* Other processors */
466 * PCI Sub-class codes - base class 0xC (Serial Controllers)
468 #define PCI_SERIAL_FIRE 0x0 /* FireWire (IEEE 1394) */
469 #define PCI_SERIAL_ACCESS 0x1 /* ACCESS.bus */
470 #define PCI_SERIAL_SSA 0x2 /* SSA */
471 #define PCI_SERIAL_USB 0x3 /* Universal Serial Bus */
472 #define PCI_SERIAL_FIBRE 0x4 /* Fibre Channel */
473 #define PCI_SERIAL_SMBUS 0x5 /* System Management Bus */
474 #define PCI_SERIAL_IB 0x6 /* InfiniBand */
475 #define PCI_SERIAL_IPMI 0x7 /* IPMI */
476 #define PCI_SERIAL_SERCOS 0x8 /* SERCOS Interface Std (IEC 61491) */
477 #define PCI_SERIAL_CANBUS 0x9 /* CANbus */
478 #define PCI_SERIAL_OTHER 0x80 /* Other Serial Bus Controllers */
481 * Programming interfaces for class 0xC / subclass 0x0 (Firewire)
483 #define PCI_SERIAL_FIRE_WIRE 0x00 /* IEEE 1394 (Firewire) */
484 #define PCI_SERIAL_FIRE_1394_HCI 0x10 /* 1394 OpenHCI Host Cntrlr */
487 * Programming interfaces for class 0xC / subclass 0x3 (USB controller)
489 #define PCI_SERIAL_USB_IF_UHCI 0x00 /* UHCI Compliant */
490 #define PCI_SERIAL_USB_IF_OHCI 0x10 /* OHCI Compliant */
491 #define PCI_SERIAL_USB_IF_EHCI 0x20 /* EHCI Compliant */
492 #define PCI_SERIAL_USB_IF_GENERIC 0x80 /* no specific HCD */
493 #define PCI_SERIAL_USB_IF_DEVICE 0xFE /* not a HCD */
496 * Programming interfaces for class 0xC / subclass 0x7 (IPMI controller)
498 #define PCI_SERIAL_IPMI_IF_SMIC 0x0 /* SMIC Interface */
499 #define PCI_SERIAL_IPMI_IF_KBD 0x1 /* Keyboard Ctrl Style Intfc */
500 #define PCI_SERIAL_IPMI_IF_BTI 0x2 /* Block Transfer Interface */
503 * PCI Sub-class codes - base class 0xD (Wireless controllers)
505 #define PCI_WIRELESS_IRDA 0x0 /* iRDA Compatible Controller */
506 #define PCI_WIRELESS_IR 0x1 /* Consumer IR Controller */
507 #define PCI_WIRELESS_RF 0x10 /* RF Controller */
508 #define PCI_WIRELESS_BLUETOOTH 0x11 /* Bluetooth Controller */
509 #define PCI_WIRELESS_BROADBAND 0x12 /* Broadband Controller */
510 #define PCI_WIRELESS_80211A 0x20 /* Ethernet 802.11a 5 GHz */
511 #define PCI_WIRELESS_80211B 0x21 /* Ethernet 802.11b 2.4 GHz */
512 #define PCI_WIRELESS_OTHER 0x80 /* Other Wireless Controllers */
515 * Programming interfaces for class 0xD / subclass 0x1 (Consumer IR controller)
517 #define PCI_WIRELESS_IR_CONSUMER 0x00 /* Consumer IR Controller */
518 #define PCI_WIRELESS_IR_UWB_RC 0x10 /* UWB Radio Controller */
521 * PCI Sub-class codes - base class 0xE (Intelligent I/O controllers)
523 #define PCI_INTIO_MSG_FIFO 0x0 /* Message FIFO at off 40h */
524 #define PCI_INTIO_I20 0x1 /* I20 Arch Spec 1.0 */
527 * PCI Sub-class codes - base class 0xF (Satellite Communication controllers)
529 #define PCI_SATELLITE_COMM_TV 0x01 /* TV */
530 #define PCI_SATELLITE_COMM_AUDIO 0x02 /* Audio */
531 #define PCI_SATELLITE_COMM_VOICE 0x03 /* Voice */
532 #define PCI_SATELLITE_COMM_DATA 0x04 /* DATA */
533 #define PCI_SATELLITE_COMM_OTHER 0x80 /* Other Satelite Comm Cntrlr */
536 * PCI Sub-class codes - base class 0x10 (Encryption/Decryption controllers)
538 #define PCI_CRYPT_NETWORK 0x00 /* Network and Computing */
539 #define PCI_CRYPT_ENTERTAINMENT 0x10 /* Entertainment en/decrypt */
540 #define PCI_CRYPT_OTHER 0x80 /* Other en/decryption ctrlrs */
543 * PCI Sub-class codes - base class 0x11 (Signal Processing controllers)
545 #define PCI_SIGNAL_DPIO 0x00 /* DPIO modules */
546 #define PCI_SIGNAL_PERF_COUNTERS 0x01 /* Performance counters */
547 #define PCI_SIGNAL_COMM_SYNC 0x10 /* Comm. synchronization plus */
548 /* time and freq test ctrlr */
549 #define PCI_SIGNAL_MANAGEMENT 0x20 /* Management card */
550 #define PCI_SIGNAL_OTHER 0x80 /* DSP/DAP controller */
552 /* PCI header decode */
553 #define PCI_HEADER_MULTI 0x80 /* multi-function device */
554 #define PCI_HEADER_ZERO 0x00 /* type zero PCI header */
555 #define PCI_HEADER_ONE 0x01 /* type one PCI header */
556 #define PCI_HEADER_TWO 0x02 /* type two PCI header */
557 #define PCI_HEADER_PPB PCI_HEADER_ONE /* type one PCI to PCI Bridge */
558 #define PCI_HEADER_CARDBUS PCI_HEADER_TWO /* type one PCI header */
560 #define PCI_HEADER_TYPE_M 0x7f /* type mask for header */
563 * Base register bit definitions.
565 #define PCI_BASE_SPACE_M 0x1 /* memory space indicator */
566 #define PCI_BASE_SPACE_IO 0x1 /* IO space */
567 #define PCI_BASE_SPACE_MEM 0x0 /* memory space */
569 #define PCI_BASE_TYPE_MEM 0x0 /* 32-bit memory address */
570 #define PCI_BASE_TYPE_LOW 0x2 /* less than 1Mb address */
571 #define PCI_BASE_TYPE_ALL 0x4 /* 64-bit memory address */
572 #define PCI_BASE_TYPE_RES 0x6 /* reserved */
574 #define PCI_BASE_TYPE_M 0x00000006 /* type indicator mask */
575 #define PCI_BASE_PREF_M 0x00000008 /* prefetch mask */
576 #define PCI_BASE_M_ADDR_M 0xfffffff0 /* memory address mask */
577 #define PCI_BASE_IO_ADDR_M 0xfffffffe /* I/O address mask */
579 #define PCI_BASE_ROM_ADDR_M 0xfffff800 /* ROM address mask */
580 #define PCI_BASE_ROM_ENABLE 0x00000001 /* ROM decoder enable */
583 * Capabilities linked list entry offsets
585 #define PCI_CAP_ID 0x0 /* capability identifier, 1 byte */
586 #define PCI_CAP_NEXT_PTR 0x1 /* next entry pointer, 1 byte */
587 #define PCI_CAP_ID_REGS_OFF 0x2 /* cap id register offset */
588 #define PCI_CAP_MAX_PTR 0x30 /* maximum number of cap pointers */
589 #define PCI_CAP_PTR_OFF 0x40 /* minimum cap pointer offset */
590 #define PCI_CAP_PTR_MASK 0xFC /* mask for capability pointer */
593 * Capability identifier values
595 #define PCI_CAP_ID_PM 0x1 /* power management entry */
596 #define PCI_CAP_ID_AGP 0x2 /* AGP supported */
597 #define PCI_CAP_ID_VPD 0x3 /* VPD supported */
598 #define PCI_CAP_ID_SLOT_ID 0x4 /* Slot Identification supported */
599 #define PCI_CAP_ID_MSI 0x5 /* MSI supported */
600 #define PCI_CAP_ID_cPCI_HS 0x6 /* CompactPCI Host Swap supported */
601 #define PCI_CAP_ID_PCIX 0x7 /* PCI-X supported */
602 #define PCI_CAP_ID_HT 0x8 /* HyperTransport supported */
603 #define PCI_CAP_ID_VS 0x9 /* Vendor Specific */
604 #define PCI_CAP_ID_DEBUG_PORT 0xA /* Debug Port supported */
605 #define PCI_CAP_ID_cPCI_CRC 0xB /* CompactPCI central resource ctrl */
606 #define PCI_CAP_ID_PCI_HOTPLUG 0xC /* PCI Hot Plug (SHPC) supported */
607 #define PCI_CAP_ID_P2P_SUBSYS 0xD /* PCI bridge Sub-system ID */
608 #define PCI_CAP_ID_AGP_8X 0xE /* AGP 8X supported */
609 #define PCI_CAP_ID_SECURE_DEV 0xF /* Secure Device supported */
610 #define PCI_CAP_ID_PCI_E 0x10 /* PCI Express supported */
611 #define PCI_CAP_ID_MSI_X 0x11 /* MSI-X supported */
612 #define PCI_CAP_ID_SATA 0x12 /* SATA Data/Index Config supported */
613 #define PCI_CAP_ID_FLR 0x13 /* Function Level Reset supported */
616 * Capability next entry pointer values
618 #define PCI_CAP_NEXT_PTR_NULL 0x0 /* no more entries in the list */
621 * PCI power management (PM) capability entry offsets
623 #define PCI_PMCAP 0x2 /* PM capabilities, 2 bytes */
624 #define PCI_PMCSR 0x4 /* PM control/status reg, 2 bytes */
625 #define PCI_PMCSR_BSE 0x6 /* PCI-PCI bridge extensions, 1 byte */
626 #define PCI_PMDATA 0x7 /* PM data, 1 byte */
629 * PM capabilities values - 2 bytes
631 #define PCI_PMCAP_VER_1_0 0x1 /* PCI PM spec 1.0 */
632 #define PCI_PMCAP_VER_1_1 0x2 /* PCI PM spec 1.1 */
633 #define PCI_PMCAP_VER_MASK 0x7 /* version mask */
634 #define PCI_PMCAP_PME_CLOCK 0x8 /* needs PCI clock for PME */
635 #define PCI_PMCAP_DSI 0x20 /* needs device specific init */
636 #define PCI_PMCAP_AUX_CUR_SELF 0x0 /* 0 aux current - self powered */
637 #define PCI_PMCAP_AUX_CUR_55mA 0x40 /* 55 mA aux current */
638 #define PCI_PMCAP_AUX_CUR_100mA 0x80 /* 100 mA aux current */
639 #define PCI_PMCAP_AUX_CUR_160mA 0xc0 /* 160 mA aux current */
640 #define PCI_PMCAP_AUX_CUR_220mA 0x100 /* 220 mA aux current */
641 #define PCI_PMCAP_AUX_CUR_270mA 0x140 /* 270 mA aux current */
642 #define PCI_PMCAP_AUX_CUR_320mA 0x180 /* 320 mA aux current */
643 #define PCI_PMCAP_AUX_CUR_375mA 0x1c0 /* 375 mA aux current */
644 #define PCI_PMCAP_AUX_CUR_MASK 0x1c0 /* 3.3Vaux aux current needs */
645 #define PCI_PMCAP_D1 0x200 /* D1 state supported */
646 #define PCI_PMCAP_D2 0x400 /* D2 state supported */
647 #define PCI_PMCAP_D0_PME 0x800 /* PME from D0 */
648 #define PCI_PMCAP_D1_PME 0x1000 /* PME from D1 */
649 #define PCI_PMCAP_D2_PME 0x2000 /* PME from D2 */
650 #define PCI_PMCAP_D3HOT_PME 0x4000 /* PME from D3hot */
651 #define PCI_PMCAP_D3COLD_PME 0x8000 /* PME from D3cold */
652 #define PCI_PMCAP_PME_MASK 0xf800 /* PME support mask */
655 * PM control/status values - 2 bytes
657 #define PCI_PMCSR_D0 0x0 /* power state D0 */
658 #define PCI_PMCSR_D1 0x1 /* power state D1 */
659 #define PCI_PMCSR_D2 0x2 /* power state D2 */
660 #define PCI_PMCSR_D3HOT 0x3 /* power state D3hot */
661 #define PCI_PMCSR_STATE_MASK 0x3 /* power state mask */
662 #define PCI_PMCSR_PME_EN 0x100 /* enable PME assertion */
663 #define PCI_PMCSR_DSEL_D0_PWR_C 0x0 /* D0 power consumed */
664 #define PCI_PMCSR_DSEL_D1_PWR_C 0x200 /* D1 power consumed */
665 #define PCI_PMCSR_DSEL_D2_PWR_C 0x400 /* D2 power consumed */
666 #define PCI_PMCSR_DSEL_D3_PWR_C 0x600 /* D3 power consumed */
667 #define PCI_PMCSR_DSEL_D0_PWR_D 0x800 /* D0 power dissipated */
668 #define PCI_PMCSR_DSEL_D1_PWR_D 0xa00 /* D1 power dissipated */
669 #define PCI_PMCSR_DSEL_D2_PWR_D 0xc00 /* D2 power dissipated */
670 #define PCI_PMCSR_DSEL_D3_PWR_D 0xe00 /* D3 power dissipated */
671 #define PCI_PMCSR_DSEL_COM_C 0x1000 /* common power consumption */
672 #define PCI_PMCSR_DSEL_MASK 0x1e00 /* data select mask */
673 #define PCI_PMCSR_DSCL_UNKNOWN 0x0 /* data scale unknown */
674 #define PCI_PMCSR_DSCL_1_BY_10 0x2000 /* data scale 0.1x */
675 #define PCI_PMCSR_DSCL_1_BY_100 0x4000 /* data scale 0.01x */
676 #define PCI_PMCSR_DSCL_1_BY_1000 0x6000 /* data scale 0.001x */
677 #define PCI_PMCSR_DSCL_MASK 0x6000 /* data scale mask */
678 #define PCI_PMCSR_PME_STAT 0x8000 /* PME status */
681 * PM PMCSR PCI to PCI bridge support extension values - 1 byte
683 #define PCI_PMCSR_BSE_B2_B3 0x40 /* bridge D3hot -> secondary B2 */
684 #define PCI_PMCSR_BSE_BPCC_EN 0x80 /* bus power/clock control enabled */
687 * PCI-X capability related definitions
689 #define PCI_PCIX_COMMAND 0x2 /* Command register offset */
690 #define PCI_PCIX_STATUS 0x4 /* Status register offset */
691 #define PCI_PCIX_ECC_STATUS 0x8 /* ECC Status register offset */
692 #define PCI_PCIX_ECC_FST_AD 0xC /* ECC First address register offset */
693 #define PCI_PCIX_ECC_SEC_AD 0x10 /* ECC Second address register offset */
694 #define PCI_PCIX_ECC_ATTR 0x14 /* ECC Attribute register offset */
697 * PCI-X bridge capability related definitions
699 #define PCI_PCIX_SEC_STATUS 0x2 /* Secondary Status offset */
700 #define PCI_PCIX_SEC_STATUS_SCD 0x4 /* Split Completion Discarded */
701 #define PCI_PCIX_SEC_STATUS_USC 0x8 /* Unexpected Split Complete */
702 #define PCI_PCIX_SEC_STATUS_SCO 0x10 /* Split Completion Overrun */
703 #define PCI_PCIX_SEC_STATUS_SRD 0x20 /* Split Completion Delayed */
704 #define PCI_PCIX_SEC_STATUS_ERR_MASK 0x3C
706 #define PCI_PCIX_BDG_STATUS 0x4 /* Bridge Status offset */
707 #define PCI_PCIX_BDG_STATUS_USC 0x80000
708 #define PCI_PCIX_BDG_STATUS_SCO 0x100000
709 #define PCI_PCIX_BDG_STATUS_SRD 0x200000
710 #define PCI_PCIX_BDG_STATUS_ERR_MASK 0x380000
712 #define PCI_PCIX_UP_SPL_CTL 0x8 /* Upstream split ctrl reg offset */
713 #define PCI_PCIX_DOWN_SPL_CTL 0xC /* Downstream split ctrl reg offset */
714 #define PCI_PCIX_BDG_ECC_STATUS 0x10 /* ECC Status register offset */
715 #define PCI_PCIX_BDG_ECC_FST_AD 0x14 /* ECC First address register offset */
716 #define PCI_PCIX_BDG_ECC_SEC_AD 0x18 /* ECC Second address register offset */
717 #define PCI_PCIX_BDG_ECC_ATTR 0x1C /* ECC Attribute register offset */
720 * PCIX capabilities values
722 #define PCI_PCIX_VER_MASK 0x3000 /* Bits 12 and 13 */
723 #define PCI_PCIX_VER_0 0x0000 /* PCIX cap list item version 0 */
724 #define PCI_PCIX_VER_1 0x1000 /* PCIX cap list item version 1 */
725 #define PCI_PCIX_VER_2 0x2000 /* PCIX cap list item version 2 */
727 #define PCI_PCIX_SPL_DSCD 0x40000 /* Split Completion Discarded */
728 #define PCI_PCIX_UNEX_SPL 0x80000 /* Unexpected Split Completion */
729 #define PCI_PCIX_RX_SPL_MSG 0x20000000 /* Recieved Spl Comp Error Message */
731 #define PCI_PCIX_ECC_SEL 0x1 /* Secondary ECC register select */
732 #define PCI_PCIX_ECC_EP 0x2 /* Error Present on other side */
733 #define PCI_PCIX_ECC_S_CE 0x4 /* Addl Correctable ECC Error */
734 #define PCI_PCIX_ECC_S_UE 0x8 /* Addl Uncorrectable ECC Error */
735 #define PCI_PCIX_ECC_PHASE 0x70 /* ECC Error Phase */
736 #define PCI_PCIX_ECC_CORR 0x80 /* ECC Error Corrected */
737 #define PCI_PCIX_ECC_SYN 0xff00 /* ECC Error Syndrome */
738 #define PCI_PCIX_ECC_FST_CMD 0xf0000 /* ECC Error First Command */
739 #define PCI_PCIX_ECC_SEC_CMD 0xf00000 /* ECC Error Second Command */
740 #define PCI_PCIX_ECC_UP_ATTR 0xf000000 /* ECC Error Upper Attributes */
743 * PCIX ECC Phase Values
745 #define PCI_PCIX_ECC_PHASE_NOERR 0x0
746 #define PCI_PCIX_ECC_PHASE_FADDR 0x1
747 #define PCI_PCIX_ECC_PHASE_SADDR 0x2
748 #define PCI_PCIX_ECC_PHASE_ATTR 0x3
749 #define PCI_PCIX_ECC_PHASE_DATA32 0x4
750 #define PCI_PCIX_ECC_PHASE_DATA64 0x5
753 * PCI-X Command Encoding
755 #define PCI_PCIX_CMD_INTR 0x0
756 #define PCI_PCIX_CMD_SPEC 0x1
757 #define PCI_PCIX_CMD_IORD 0x2
758 #define PCI_PCIX_CMD_IOWR 0x3
759 #define PCI_PCIX_CMD_DEVID 0x5
760 #define PCI_PCIX_CMD_MEMRD_DW 0x6
761 #define PCI_PCIX_CMD_MEMWR 0x7
762 #define PCI_PCIX_CMD_MEMRD_BL 0x8
763 #define PCI_PCIX_CMD_MEMWR_BL 0x9
764 #define PCI_PCIX_CMD_CFRD 0xA
765 #define PCI_PCIX_CMD_CFWR 0xB
766 #define PCI_PCIX_CMD_SPL 0xC
767 #define PCI_PCIX_CMD_DADR 0xD
768 #define PCI_PCIX_CMD_MEMRDBL 0xE
769 #define PCI_PCIX_CMD_MEMWRBL 0xF
771 #if defined(_BIT_FIELDS_LTOH)
772 typedef struct pcix_attr {
773 uint32_t lbc :8,
774 rid :16,
775 tag :5,
776 ro :1,
777 ns :1,
778 r :1;
779 } pcix_attr_t;
780 #elif defined(_BIT_FIELDS_HTOL)
781 typedef struct pcix_attr {
782 uint32_t r :1,
783 ns :1,
784 ro :1,
785 tag :5,
786 rid :16,
787 lbc :8;
788 } pcix_attr_t;
789 #else
790 #error "bit field not defined"
791 #endif
793 #define PCI_PCIX_BSS_SPL_DSCD 0x4 /* Secondary split comp discarded */
794 #define PCI_PCIX_BSS_UNEX_SPL 0x8 /* Secondary unexpected split comp */
795 #define PCI_PCIX_BSS_SPL_OR 0x10 /* Secondary split comp overrun */
796 #define PCI_PCIX_BSS_SPL_DLY 0x20 /* Secondary split comp delayed */
799 * PCI Hotplug capability entry offsets
801 * SHPC based PCI hotplug controller registers accessed via the DWORD
802 * select and DATA registers in PCI configuration space relative to the
803 * PCI HP capibility pointer.
805 #define PCI_HP_DWORD_SELECT_OFF 0x2
806 #define PCI_HP_DWORD_DATA_OFF 0x4
808 #define PCI_HP_BASE_OFFSET_REG 0x00
809 #define PCI_HP_SLOTS_AVAIL_I_REG 0x01
810 #define PCI_HP_SLOTS_AVAIL_II_REG 0x02
811 #define PCI_HP_SLOT_CONFIGURATION_REG 0x03
812 #define PCI_HP_PROF_IF_SBCR_REG 0x04
813 #define PCI_HP_COMMAND_STATUS_REG 0x05
814 #define PCI_HP_IRQ_LOCATOR_REG 0x06
815 #define PCI_HP_SERR_LOCATOR_REG 0x07
816 #define PCI_HP_CTRL_SERR_INT_REG 0x08
817 #define PCI_HP_LOGICAL_SLOT_REGS 0x09
818 #define PCI_HP_VENDOR_SPECIFIC 0x28
820 /* Definitions used with the PCI_HP_SLOTS_AVAIL_I_REG register */
821 #define PCI_HP_AVAIL_33MHZ_CONV_SPEED_SHIFT 0
822 #define PCI_HP_AVAIL_66MHZ_PCIX_SPEED_SHIFT 8
823 #define PCI_HP_AVAIL_100MHZ_PCIX_SPEED_SHIFT 16
824 #define PCI_HP_AVAIL_133MHZ_PCIX_SPEED_SHIFT 24
825 #define PCI_HP_AVAIL_SPEED_MASK 0x1F
827 /* Definitions used with the PCI_HP_SLOTS_AVAIL_II_REG register */
828 #define PCI_HP_AVAIL_66MHZ_CONV_SPEED_SHIFT 0
830 /* Register bits used with the PCI_HP_PROF_IF_SBCR_REG register */
831 #define PCI_HP_SBCR_33MHZ_CONV_SPEED 0x0
832 #define PCI_HP_SBCR_66MHZ_CONV_SPEED 0x1
833 #define PCI_HP_SBCR_66MHZ_PCIX_SPEED 0x2
834 #define PCI_HP_SBCR_100MHZ_PCIX_SPEED 0x3
835 #define PCI_HP_SBCR_133MHZ_PCIX_SPEED 0x4
836 #define PCI_HP_SBCR_SPEED_MASK 0x7
838 /* Register bits used with the PCI_HP_COMMAND_STATUS_REG register */
839 #define PCI_HP_COMM_STS_ERR_INVALID_SPEED 0x80000
840 #define PCI_HP_COMM_STS_ERR_INVALID_COMMAND 0x40000
841 #define PCI_HP_COMM_STS_ERR_MRL_OPEN 0x20000
842 #define PCI_HP_COMM_STS_ERR_MASK 0xe0000
843 #define PCI_HP_COMM_STS_CTRL_BUSY 0x10000
844 #define PCI_HP_COMM_STS_SET_SPEED 0x40
846 /* Register bits used with the PCI_HP_CTRL_SERR_INT_REG register */
847 #define PCI_HP_SERR_INT_GLOBAL_IRQ_MASK 0x1
848 #define PCI_HP_SERR_INT_GLOBAL_SERR_MASK 0x2
849 #define PCI_HP_SERR_INT_CMD_COMPLETE_MASK 0x4
850 #define PCI_HP_SERR_INT_ARBITER_SERR_MASK 0x8
851 #define PCI_HP_SERR_INT_CMD_COMPLETE_IRQ 0x10000
852 #define PCI_HP_SERR_INT_ARBITER_IRQ 0x20000
853 #define PCI_HP_SERR_INT_MASK_ALL 0xf
855 /* Register bits used with the PCI_HP_LOGICAL_SLOT_REGS register */
856 #define PCI_HP_SLOT_POWER_ONLY 0x1
857 #define PCI_HP_SLOT_ENABLED 0x2
858 #define PCI_HP_SLOT_DISABLED 0x3
859 #define PCI_HP_SLOT_STATE_MASK 0x3
860 #define PCI_HP_SLOT_MRL_STATE_MASK 0x100
861 #define PCI_HP_SLOT_66MHZ_CONV_CAPABLE 0x200
862 #define PCI_HP_SLOT_CARD_EMPTY_MASK 0xc00
863 #define PCI_HP_SLOT_66MHZ_PCIX_CAPABLE 0x1000
864 #define PCI_HP_SLOT_100MHZ_PCIX_CAPABLE 0x2000
865 #define PCI_HP_SLOT_133MHZ_PCIX_CAPABLE 0x3000
866 #define PCI_HP_SLOT_PCIX_CAPABLE_MASK 0x3000
867 #define PCI_HP_SLOT_PCIX_CAPABLE_SHIFT 12
868 #define PCI_HP_SLOT_PRESENCE_DETECTED 0x10000
869 #define PCI_HP_SLOT_ISO_PWR_DETECTED 0x20000
870 #define PCI_HP_SLOT_ATTN_DETECTED 0x40000
871 #define PCI_HP_SLOT_MRL_DETECTED 0x80000
872 #define PCI_HP_SLOT_POWER_DETECTED 0x100000
873 #define PCI_HP_SLOT_PRESENCE_MASK 0x1000000
874 #define PCI_HP_SLOT_ISO_PWR_MASK 0x2000000
875 #define PCI_HP_SLOT_ATTN_MASK 0x4000000
876 #define PCI_HP_SLOT_MRL_MASK 0x8000000
877 #define PCI_HP_SLOT_POWER_MASK 0x10000000
878 #define PCI_HP_SLOT_MRL_SERR_MASK 0x20000000
879 #define PCI_HP_SLOT_POWER_SERR_MASK 0x40000000
880 #define PCI_HP_SLOT_MASK_ALL 0x5f000000
882 /* Register bits used with the PCI_HP_IRQ_LOCATOR_REG register */
883 #define PCI_HP_IRQ_CMD_COMPLETE 0x1
884 #define PCI_HP_IRQ_SLOT_N_PENDING 0x2
886 /* Register bits used with the PCI_HP_SERR_LOCATOR_REG register */
887 #define PCI_HP_IRQ_SERR_ARBITER_PENDING 0x1
888 #define PCI_HP_IRQ_SERR_SLOT_N_PENDING 0x2
890 /* Register bits used with the PCI_HP_SLOT_CONFIGURATION_REG register */
891 #define PCI_HP_SLOT_CONFIG_MRL_SENSOR 0x40000000
892 #define PCI_HP_SLOT_CONFIG_ATTN_BUTTON 0x80000000
893 #define PCI_HP_SLOT_CONFIG_PHY_SLOT_NUM_SHIFT 16
894 #define PCI_HP_SLOT_CONFIG_PHY_SLOT_NUM_MASK 0x3FF
897 * PCI Message Signalled Interrupts (MSI) capability entry offsets for 32-bit
899 #define PCI_MSI_CTRL 0x02 /* MSI control register, 2 bytes */
900 #define PCI_MSI_ADDR_OFFSET 0x04 /* MSI 32-bit msg address, 4 bytes */
901 #define PCI_MSI_32BIT_DATA 0x08 /* MSI 32-bit msg data, 2 bytes */
902 #define PCI_MSI_32BIT_MASK 0x0C /* MSI 32-bit mask bits, 4 bytes */
903 #define PCI_MSI_32BIT_PENDING 0x10 /* MSI 32-bit pending bits, 4 bytes */
906 * PCI Message Signalled Interrupts (MSI) capability entry offsets for 64-bit
908 #define PCI_MSI_64BIT_DATA 0x0C /* MSI 64-bit msg data, 2 bytes */
909 #define PCI_MSI_64BIT_MASKBITS 0x10 /* MSI 64-bit mask bits, 4 bytes */
910 #define PCI_MSI_64BIT_PENDING 0x14 /* MSI 64-bit pending bits, 4 bytes */
913 * PCI Message Signalled Interrupts (MSI) capability masks and shifts
915 #define PCI_MSI_ENABLE_BIT 0x0001 /* MSI enable mask in MSI ctrl reg */
916 #define PCI_MSI_MMC_MASK 0x000E /* MMC mask in MSI ctrl reg */
917 #define PCI_MSI_MMC_SHIFT 0x1 /* Shift for MMC bits */
918 #define PCI_MSI_MME_MASK 0x0070 /* MME mask in MSI ctrl reg */
919 #define PCI_MSI_MME_SHIFT 0x4 /* Shift for MME bits */
920 #define PCI_MSI_64BIT_MASK 0x0080 /* 64bit support mask in MSI ctrl reg */
921 #define PCI_MSI_PVM_MASK 0x0100 /* PVM support mask in MSI ctrl reg */
924 * PCI Extended Message Signalled Interrupts (MSI-X) capability entry offsets
926 #define PCI_MSIX_CTRL 0x02 /* MSI-X control register, 2 bytes */
927 #define PCI_MSIX_TBL_OFFSET 0x04 /* MSI-X table offset, 4 bytes */
928 #define PCI_MSIX_TBL_BIR_MASK 0x0007 /* MSI-X table BIR mask */
929 #define PCI_MSIX_PBA_OFFSET 0x08 /* MSI-X pending bit array, 4 bytes */
930 #define PCI_MSIX_PBA_BIR_MASK 0x0007 /* MSI-X PBA BIR mask */
932 #define PCI_MSIX_TBL_SIZE_MASK 0x07FF /* table size mask in MSI-X ctrl reg */
933 #define PCI_MSIX_FUNCTION_MASK 0x4000 /* function mask in MSI-X ctrl reg */
934 #define PCI_MSIX_ENABLE_BIT 0x8000 /* MSI-X enable mask in MSI-X ctl reg */
936 #define PCI_MSIX_LOWER_ADDR_OFFSET 0 /* MSI-X lower addr offset */
937 #define PCI_MSIX_UPPER_ADDR_OFFSET 4 /* MSI-X upper addr offset */
938 #define PCI_MSIX_DATA_OFFSET 8 /* MSI-X data offset */
939 #define PCI_MSIX_VECTOR_CTRL_OFFSET 12 /* MSI-X vector ctrl offset */
940 #define PCI_MSIX_VECTOR_SIZE 16 /* MSI-X size of each vector */
943 * PCI Message Signalled Interrupts: other interesting constants
945 #define PCI_MSI_MAX_INTRS 32 /* maximum MSI interrupts supported */
946 #define PCI_MSIX_MAX_INTRS 2048 /* maximum MSI-X interrupts supported */
949 * PCI Slot Id Capabilities, 2 bytes
951 /* Byte 1: Expansion Slot Register (ESR), Byte 2: Chassis Number Register */
952 #define PCI_CAPSLOT_ESR_NSLOTS_MASK 0x1F /* Number of slots mask */
953 #define PCI_CAPSLOT_ESR_FIC 0x20 /* First In Chassis bit */
954 #define PCI_CAPSLOT_ESR_FIC_MASK 0x01 /* First In Chassis mask */
955 #define PCI_CAPSLOT_ESR_FIC_SHIFT 5 /* First In Chassis shift */
956 #define PCI_CAPSLOT_FIC(esr_reg) ((esr_reg) & PCI_CAPSLOT_ESR_FIC)
957 #define PCI_CAPSLOT_NSLOTS(esr_reg) ((esr_reg) & \
958 PCI_CAPSLOT_ESR_NSLOTS_MASK)
961 * HyperTransport Capabilities; each HT cap uses the same PCI cap id of
962 * PCI_CAP_ID_HT. The header's upper 16-bits (command reg) contains an HT
963 * cap type reg at bits [15:11]. For Slave/Pri Interface and Host/Sec
964 * Interface types, only bits [15:13] are used.
966 #define PCI_HTCAP_TYPE_MASK 0xF800
967 #define PCI_HTCAP_TYPE_SLHOST_MASK 0xE000 /* SLPRI and HOSTSEC types */
968 #define PCI_HTCAP_TYPE_SHIFT 11
970 #define PCI_HTCAP_SLPRI_ID 0x00
971 #define PCI_HTCAP_HOSTSEC_ID 0x04
972 #define PCI_HTCAP_SWITCH_ID 0x08
973 #define PCI_HTCAP_INTCONF_ID 0x10
974 #define PCI_HTCAP_REVID_ID 0x11
975 #define PCI_HTCAP_UNITID_CLUMP_ID 0x12
976 #define PCI_HTCAP_ECFG_ID 0x13
977 #define PCI_HTCAP_ADDRMAP_ID 0x14
978 #define PCI_HTCAP_MSIMAP_ID 0x15
979 #define PCI_HTCAP_DIRROUTE_ID 0x16
980 #define PCI_HTCAP_VCSET_ID 0x17
981 #define PCI_HTCAP_RETRYMODE_ID 0x18
982 #define PCI_HTCAP_X86ENC_ID 0x19
983 #define PCI_HTCAP_GEN3_ID 0x1A
984 #define PCI_HTCAP_FUNCEXT_ID 0x1B
985 #define PCI_HTCAP_PM_ID 0x1C
987 #define PCI_HTCAP_SLPRI_TYPE /* 0x0000 */ \
988 (PCI_HTCAP_SLPRI_ID << PCI_HTCAP_TYPE_SHIFT)
990 #define PCI_HTCAP_HOSTSEC_TYPE /* 0x2000 */ \
991 (PCI_HTCAP_HOSTSEC_ID << PCI_HTCAP_TYPE_SHIFT)
993 #define PCI_HTCAP_SWITCH_TYPE /* 0x4000 */ \
994 (PCI_HTCAP_SWITCH_ID << PCI_HTCAP_TYPE_SHIFT)
996 #define PCI_HTCAP_INTCONF_TYPE /* 0x8000 */ \
997 (PCI_HTCAP_INTCONF_ID << PCI_HTCAP_TYPE_SHIFT)
999 #define PCI_HTCAP_REVID_TYPE /* 0x8800 */ \
1000 (PCI_HTCAP_REVID_ID << PCI_HTCAP_TYPE_SHIFT)
1002 #define PCI_HTCAP_UNITID_CLUMP_TYPE /* 0x9000 */ \
1003 (PCI_HTCAP_UNITID_CLUMP_ID << PCI_HTCAP_TYPE_SHIFT)
1005 #define PCI_HTCAP_ECFG_TYPE /* 0x9800 */ \
1006 (PCI_HTCAP_ECFG_ID << PCI_HTCAP_TYPE_SHIFT)
1008 #define PCI_HTCAP_ADDRMAP_TYPE /* 0xA000 */ \
1009 (PCI_HTCAP_ADDRMAP_ID << PCI_HTCAP_TYPE_SHIFT)
1011 #define PCI_HTCAP_MSIMAP_TYPE /* 0xA800 */ \
1012 (PCI_HTCAP_MSIMAP_ID << PCI_HTCAP_TYPE_SHIFT)
1014 #define PCI_HTCAP_DIRROUTE_TYPE /* 0xB000 */ \
1015 (PCI_HTCAP_DIRROUTE_ID << PCI_HTCAP_TYPE_SHIFT)
1017 #define PCI_HTCAP_VCSET_TYPE /* 0xB800 */ \
1018 (PCI_HTCAP_VCSET_ID << PCI_HTCAP_TYPE_SHIFT)
1020 #define PCI_HTCAP_RETRYMODE_TYPE /* 0xC000 */ \
1021 (PCI_HTCAP_RETRYMODE_ID << PCI_HTCAP_TYPE_SHIFT)
1023 #define PCI_HTCAP_X86ENC_TYPE /* 0xC800 */ \
1024 (PCI_HTCAP_X86ENC_ID << PCI_HTCAP_TYPE_SHIFT)
1026 #define PCI_HTCAP_GEN3_TYPE /* 0xD000 */ \
1027 (PCI_HTCAP_GEN3_ID << PCI_HTCAP_TYPE_SHIFT)
1029 #define PCI_HTCAP_FUNCEXT_TYPE /* 0xD800 */ \
1030 (PCI_HTCAP_FUNCEXT_ID << PCI_HTCAP_TYPE_SHIFT)
1032 #define PCI_HTCAP_PM_TYPE /* 0xE000 */ \
1033 (PCI_HTCAP_PM_ID << PCI_HTCAP_TYPE_SHIFT)
1035 #define PCI_HTCAP_MSIMAP_ENABLE 0x0001
1036 #define PCI_HTCAP_MSIMAP_ENABLE_MASK 0x0001
1038 #define PCI_HTCAP_ADDRMAP_MAPTYPE_MASK 0x600
1039 #define PCI_HTCAP_ADDRMAP_MAPTYPE_SHIFT 9
1040 #define PCI_HTCAP_ADDRMAP_NUMMAP_MASK 0xF
1041 #define PCI_HTCAP_ADDRMAP_40BIT_ID 0x0
1042 #define PCI_HTCAP_ADDRMAP_64BIT_ID 0x1
1044 #define PCI_HTCAP_FUNCEXT_LEN_MASK 0xFF
1048 * other interesting PCI constants
1050 #define PCI_BASE_NUM 6 /* num of base regs in configuration header */
1051 #define PCI_BAR_SZ_32 4 /* size of 32 bit base addr reg in bytes */
1052 #define PCI_BAR_SZ_64 8 /* size of 64 bit base addr reg in bytes */
1053 #define PCI_BASE_SIZE 4 /* size of base reg in bytes */
1054 #define PCI_CONF_HDR_SIZE 256 /* configuration header size */
1055 #define PCI_MAX_BUS_NUM 256 /* Maximum PCI buses allowed */
1056 #define PCI_MAX_DEVICES 32 /* Max PCI devices allowed */
1057 #define PCI_MAX_FUNCTIONS 8 /* Max PCI functions allowed */
1058 #define PCI_MAX_CHILDREN PCI_MAX_DEVICES * PCI_MAX_FUNCTIONS
1059 #define PCI_CLK_33MHZ (33 * 1000 * 1000) /* 33MHz clock speed */
1060 #define PCI_CLK_66MHZ (66 * 1000 * 1000) /* 66MHz clock speed */
1061 #define PCI_CLK_133MHZ (133 * 1000 * 1000) /* 133MHz clock speed */
1064 * pci bus range definition
1066 typedef struct pci_bus_range {
1067 uint32_t lo;
1068 uint32_t hi;
1069 } pci_bus_range_t;
1072 * The following typedef is used to represent an entry in the "ranges"
1073 * property of a pci hostbridge device node.
1075 typedef struct pci_ranges {
1076 uint32_t child_high;
1077 uint32_t child_mid;
1078 uint32_t child_low;
1079 uint32_t parent_high;
1080 uint32_t parent_low;
1081 uint32_t size_high;
1082 uint32_t size_low;
1083 } pci_ranges_t;
1086 * The following typedef is used to represent an entry in the "ranges"
1087 * property of a pci-pci bridge device node.
1089 typedef struct {
1090 uint32_t child_high;
1091 uint32_t child_mid;
1092 uint32_t child_low;
1093 uint32_t parent_high;
1094 uint32_t parent_mid;
1095 uint32_t parent_low;
1096 uint32_t size_high;
1097 uint32_t size_low;
1098 } ppb_ranges_t;
1101 * This structure represents one entry of the 1275 "reg" property and
1102 * "assigned-addresses" property for a PCI node. For the "reg" property, it
1103 * may be one of an arbitrary length array for devices with multiple address
1104 * windows. For the "assigned-addresses" property, it denotes an assigned
1105 * physical address on the PCI bus. It may be one entry of the six entries
1106 * for devices with multiple base registers.
1108 * The physical address format is:
1110 * Bit#: 33222222 22221111 11111100 00000000
1111 * 10987654 32109876 54321098 76543210
1113 * pci_phys_hi cell: npt000ss bbbbbbbb dddddfff rrrrrrrr
1114 * pci_phys_mid cell: hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
1115 * pci_phys_low cell: llllllll llllllll llllllll llllllll
1117 * n is 0 if the address is relocatable, 1 otherwise
1118 * p is 1 if the addressable region is "prefetchable", 0 otherwise
1119 * t is 1 if the address is aliased (for non-relocatable I/O), below
1120 * 1MB (for mem), or below 64 KB (for relocatable I/O).
1121 * ss is the type code, denoting which address space
1122 * bbbbbbbb is the 8-bit bus number
1123 * ddddd is the 5-bit device number
1124 * fff is the 3-bit function number
1125 * rrrrrrrr is the 8-bit register number
1126 * should be zero for non-relocatable, when ss is 01, or 10
1127 * hh...hhh is the 32-bit unsigned number
1128 * ll...lll is the 32-bit unsigned number
1130 * The physical size format is:
1132 * pci_size_hi cell: hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
1133 * pci_size_low cell: llllllll llllllll llllllll llllllll
1135 * hh...hhh is the 32-bit unsigned number
1136 * ll...lll is the 32-bit unsigned number
1138 struct pci_phys_spec {
1139 uint_t pci_phys_hi; /* child's address, hi word */
1140 uint_t pci_phys_mid; /* child's address, middle word */
1141 uint_t pci_phys_low; /* child's address, low word */
1142 uint_t pci_size_hi; /* high word of size field */
1143 uint_t pci_size_low; /* low word of size field */
1146 typedef struct pci_phys_spec pci_regspec_t;
1149 * PCI masks for pci_phy_hi of PCI 1275 address cell.
1151 #define PCI_REG_REG_M 0xff /* register mask */
1152 #define PCI_REG_FUNC_M 0x700 /* function mask */
1153 #define PCI_REG_DEV_M 0xf800 /* device mask */
1154 #define PCI_REG_BUS_M 0xff0000 /* bus number mask */
1155 #define PCI_REG_ADDR_M 0x3000000 /* address space mask */
1156 #define PCI_REG_ALIAS_M 0x20000000 /* aliased bit mask */
1157 #define PCI_REG_PF_M 0x40000000 /* prefetch bit mask */
1158 #define PCI_REG_REL_M 0x80000000 /* relocation bit mask */
1159 #define PCI_REG_BDFR_M 0xffffff /* bus, dev, func, reg mask */
1160 #define PCI_REG_EXTREG_M 0xF0000000 /* extended config bits mask */
1162 #define PCI_REG_FUNC_SHIFT 8 /* Offset of function bits */
1163 #define PCI_REG_DEV_SHIFT 11 /* Offset of device bits */
1164 #define PCI_REG_BUS_SHIFT 16 /* Offset of bus bits */
1165 #define PCI_REG_ADDR_SHIFT 24 /* Offset of address bits */
1166 #define PCI_REG_EXTREG_SHIFT 28 /* Offset of ext. config bits */
1168 #define PCI_REG_REG_G(x) ((x) & PCI_REG_REG_M)
1169 #define PCI_REG_FUNC_G(x) (((x) & PCI_REG_FUNC_M) >> PCI_REG_FUNC_SHIFT)
1170 #define PCI_REG_DEV_G(x) (((x) & PCI_REG_DEV_M) >> PCI_REG_DEV_SHIFT)
1171 #define PCI_REG_BUS_G(x) (((x) & PCI_REG_BUS_M) >> PCI_REG_BUS_SHIFT)
1172 #define PCI_REG_ADDR_G(x) (((x) & PCI_REG_ADDR_M) >> PCI_REG_ADDR_SHIFT)
1173 #define PCI_REG_BDFR_G(x) ((x) & PCI_REG_BDFR_M)
1176 * PCI bit encodings of pci_phys_hi of PCI 1275 address cell.
1178 #define PCI_ADDR_MASK PCI_REG_ADDR_M
1179 #define PCI_ADDR_CONFIG 0x00000000 /* configuration address */
1180 #define PCI_ADDR_IO 0x01000000 /* I/O address */
1181 #define PCI_ADDR_MEM32 0x02000000 /* 32-bit memory address */
1182 #define PCI_ADDR_MEM64 0x03000000 /* 64-bit memory address */
1183 #define PCI_ALIAS_B PCI_REG_ALIAS_M /* aliased bit */
1184 #define PCI_PREFETCH_B PCI_REG_PF_M /* prefetch bit */
1185 #define PCI_RELOCAT_B PCI_REG_REL_M /* non-relocatable bit */
1186 #define PCI_CONF_ADDR_MASK 0x00ffffff /* mask for config address */
1188 #define PCI_HARDDEC_8514 2 /* number of reg entries for 8514 hard-decode */
1189 #define PCI_HARDDEC_VGA 3 /* number of reg entries for VGA hard-decode */
1190 #define PCI_HARDDEC_IDE 4 /* number of reg entries for IDE hard-decode */
1191 #define PCI_HARDDEC_IDE_PRI 2 /* number of reg entries for IDE primary */
1192 #define PCI_HARDDEC_IDE_SEC 2 /* number of reg entries for IDE secondary */
1195 * PCI Expansion ROM Header Format
1197 #define PCI_ROM_SIGNATURE 0x0 /* ROM Signature 0xaa55 */
1198 #define PCI_ROM_ARCH_UNIQUE_START 0x2 /* Start of processor unique */
1199 #define PCI_ROM_PCI_DATA_STRUCT_PTR 0x18 /* Ptr to PCI Data Structure */
1202 * PCI Data Structure
1204 * The PCI Data Structure is located within the first 64KB
1205 * of the ROM image and must be DWORD aligned.
1207 #define PCI_PDS_SIGNATURE 0x0 /* Signature, the string 'PCIR' */
1208 #define PCI_PDS_VENDOR_ID 0x4 /* Vendor Identification */
1209 #define PCI_PDS_DEVICE_ID 0x6 /* Device Identification */
1210 #define PCI_PDS_VPD_PTR 0x8 /* Pointer to Vital Product Data */
1211 #define PCI_PDS_PDS_LENGTH 0xa /* PCI Data Structure Length */
1212 #define PCI_PDS_PDS_REVISION 0xc /* PCI Data Structure Revision */
1213 #define PCI_PDS_CLASS_CODE 0xd /* Class Code */
1214 #define PCI_PDS_IMAGE_LENGTH 0x10 /* Image Length in 512 byte units */
1215 #define PCI_PDS_CODE_REVISON 0x12 /* Revision Level of Code/Data */
1216 #define PCI_PDS_CODE_TYPE 0x14 /* Code Type */
1217 #define PCI_PDS_INDICATOR 0x15 /* Indicates if image is last in ROM */
1219 #define PCI_PDS_CODE_TYPE_PCAT 0x0 /* Intel x86/PC-AT Type */
1220 #define PCI_PDS_CODE_TYPE_OPEN_FW 0x1 /* Open Firmware */
1223 * we recognize the non transparent bridge child nodes with the
1224 * following property. This is specific to an implementation only.
1225 * This property is specific to AP nodes only.
1227 #define PCI_DEV_CONF_MAP_PROP "pci-parent-indirect"
1230 * If a bridge device provides its own config space access services,
1231 * and supports a hotplug/hotswap bus below at any level, then
1232 * the following property must be defined for the node either by
1233 * the driver or the OBP.
1235 #define PCI_BUS_CONF_MAP_PROP "pci-conf-indirect"
1238 * PCI returns all 1s for an invalid read.
1240 #define PCI_EINVAL8 0xff
1241 #define PCI_EINVAL16 0xffff
1242 #define PCI_EINVAL32 0xffffffff
1244 #ifdef __cplusplus
1246 #endif
1248 #endif /* _SYS_PCI_H */