xref: /illumos-gate/usr/src/uts/common/sys/pci.h (revision c1d6ec86828a11bb71d265a10d7dad531001727d)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_PCI_H
28 #define	_SYS_PCI_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * PCI Configuration Header offsets
38  */
39 #define	PCI_CONF_VENID		0x0	/* vendor id, 2 bytes */
40 #define	PCI_CONF_DEVID		0x2	/* device id, 2 bytes */
41 #define	PCI_CONF_COMM		0x4	/* command register, 2 bytes */
42 #define	PCI_CONF_STAT		0x6	/* status register, 2 bytes */
43 #define	PCI_CONF_REVID		0x8	/* revision id, 1 byte */
44 #define	PCI_CONF_PROGCLASS	0x9	/* programming class code, 1 byte */
45 #define	PCI_CONF_SUBCLASS	0xA	/* sub-class code, 1 byte */
46 #define	PCI_CONF_BASCLASS	0xB	/* basic class code, 1 byte */
47 #define	PCI_CONF_CACHE_LINESZ	0xC	/* cache line size, 1 byte */
48 #define	PCI_CONF_LATENCY_TIMER	0xD	/* latency timer, 1 byte */
49 #define	PCI_CONF_HEADER		0xE	/* header type, 1 byte */
50 #define	PCI_CONF_BIST		0xF	/* builtin self test, 1 byte */
51 
52 /*
53  * Header type 0 offsets
54  */
55 #define	PCI_CONF_BASE0		0x10	/* base register 0, 4 bytes */
56 #define	PCI_CONF_BASE1		0x14	/* base register 1, 4 bytes */
57 #define	PCI_CONF_BASE2		0x18	/* base register 2, 4 bytes */
58 #define	PCI_CONF_BASE3		0x1c	/* base register 3, 4 bytes */
59 #define	PCI_CONF_BASE4		0x20	/* base register 4, 4 bytes */
60 #define	PCI_CONF_BASE5		0x24	/* base register 5, 4 bytes */
61 #define	PCI_CONF_CIS		0x28	/* Cardbus CIS Pointer */
62 #define	PCI_CONF_SUBVENID	0x2c	/* Subsystem Vendor ID */
63 #define	PCI_CONF_SUBSYSID	0x2e	/* Subsystem ID */
64 #define	PCI_CONF_ROM		0x30	/* ROM base register, 4 bytes */
65 #define	PCI_CONF_CAP_PTR	0x34	/* capabilities pointer, 1 byte */
66 #define	PCI_CONF_ILINE		0x3c	/* interrupt line, 1 byte */
67 #define	PCI_CONF_IPIN		0x3d	/* interrupt pin, 1 byte */
68 #define	PCI_CONF_MIN_G		0x3e	/* minimum grant, 1 byte */
69 #define	PCI_CONF_MAX_L		0x3f	/* maximum grant, 1 byte */
70 
71 /*
72  * PCI to PCI bridge configuration space header format
73  */
74 #define	PCI_BCNF_PRIBUS		0x18	/* primary bus number */
75 #define	PCI_BCNF_SECBUS		0x19	/* secondary bus number */
76 #define	PCI_BCNF_SUBBUS		0x1a	/* subordinate bus number */
77 #define	PCI_BCNF_LATENCY_TIMER	0x1b
78 #define	PCI_BCNF_IO_BASE_LOW	0x1c
79 #define	PCI_BCNF_IO_LIMIT_LOW	0x1d
80 #define	PCI_BCNF_SEC_STATUS	0x1e
81 #define	PCI_BCNF_MEM_BASE	0x20
82 #define	PCI_BCNF_MEM_LIMIT	0x22
83 #define	PCI_BCNF_PF_BASE_LOW	0x24
84 #define	PCI_BCNF_PF_LIMIT_LOW	0x26
85 #define	PCI_BCNF_PF_BASE_HIGH	0x28
86 #define	PCI_BCNF_PF_LIMIT_HIGH	0x2c
87 #define	PCI_BCNF_IO_BASE_HI	0x30
88 #define	PCI_BCNF_IO_LIMIT_HI	0x32
89 #define	PCI_BCNF_CAP_PTR	0x34
90 #define	PCI_BCNF_ROM		0x38
91 #define	PCI_BCNF_ILINE		0x3c
92 #define	PCI_BCNF_IPIN		0x3d
93 #define	PCI_BCNF_BCNTRL		0x3e
94 
95 #define	PCI_BCNF_BASE_NUM	0x2
96 
97 /*
98  * PCI to PCI bridge control register (0x3e) format
99  */
100 #define	PCI_BCNF_BCNTRL_PARITY_ENABLE	0x1
101 #define	PCI_BCNF_BCNTRL_SERR_ENABLE	0x2
102 #define	PCI_BCNF_BCNTRL_MAST_AB_MODE	0x20
103 #define	PCI_BCNF_BCNTRL_DTO_STAT	0x400
104 
105 #define	PCI_BCNF_IO_MASK	0xf0
106 #define	PCI_BCNF_MEM_MASK	0xfff0
107 
108 /*
109  * Header type 2 (Cardbus) offsets
110  */
111 #define	PCI_CBUS_SOCK_REG	0x10	/* Cardbus socket regs, 4 bytes */
112 #define	PCI_CBUS_RESERVED1	0x14	/* Reserved, 2 bytes */
113 #define	PCI_CBUS_SEC_STATUS	0x16	/* Secondary status, 2 bytes */
114 #define	PCI_CBUS_PCI_BUS_NO	0x18	/* PCI bus number, 1 byte */
115 #define	PCI_CBUS_CBUS_NO	0x19	/* Cardbus bus number, 1 byte */
116 #define	PCI_CBUS_SUB_BUS_NO	0x1a	/* Subordinate bus number, 1 byte */
117 #define	PCI_CBUS_LATENCY_TIMER	0x1b	/* Cardbus latency timer, 1 byte */
118 #define	PCI_CBUS_MEM_BASE0	0x1c	/* Memory base reg 0, 4 bytes */
119 #define	PCI_CBUS_MEM_LIMIT0	0x20	/* Memory limit reg 0, 4 bytes */
120 #define	PCI_CBUS_MEM_BASE1	0x24	/* Memory base reg 1, 4 bytes */
121 #define	PCI_CBUS_MEM_LIMIT1	0x28	/* Memory limit reg 1, 4 bytes */
122 #define	PCI_CBUS_IO_BASE0	0x2c	/* IO base reg 0, 4 bytes */
123 #define	PCI_CBUS_IO_LIMIT0	0x30	/* IO limit reg 0, 4 bytes */
124 #define	PCI_CBUS_IO_BASE1	0x34	/* IO base reg 1, 4 bytes */
125 #define	PCI_CBUS_IO_LIMIT1	0x38	/* IO limit reg 1, 4 bytes */
126 #define	PCI_CBUS_ILINE		0x3c	/* interrupt line, 1 byte */
127 #define	PCI_CBUS_IPIN		0x3d	/* interrupt pin, 1 byte */
128 #define	PCI_CBUS_BRIDGE_CTRL	0x3e	/* Bridge control, 2 bytes */
129 #define	PCI_CBUS_BRIDGE_CTRL	0x3e	/* Bridge control, 2 bytes */
130 #define	PCI_CBUS_SUBVENID	0x40	/* Subsystem Vendor ID, 2 bytes */
131 #define	PCI_CBUS_SUBSYSID	0x42	/* Subsystem ID, 2 bytes */
132 #define	PCI_CBUS_LEG_MODE_ADDR	0x44	/* PCCard 16bit IF legacy mode addr */
133 
134 #define	PCI_CBUS_BASE_NUM	0x1	/* number of base registers */
135 
136 /*
137  * PCI command register bits
138  */
139 #define	PCI_COMM_IO		0x1	/* I/O access enable */
140 #define	PCI_COMM_MAE		0x2	/* memory access enable */
141 #define	PCI_COMM_ME		0x4	/* master enable */
142 #define	PCI_COMM_SPEC_CYC	0x8
143 #define	PCI_COMM_MEMWR_INVAL	0x10
144 #define	PCI_COMM_PALETTE_SNOOP	0x20
145 #define	PCI_COMM_PARITY_DETECT	0x40
146 #define	PCI_COMM_WAIT_CYC_ENAB	0x80
147 #define	PCI_COMM_SERR_ENABLE	0x100
148 #define	PCI_COMM_BACK2BACK_ENAB	0x200
149 #define	PCI_COMM_INTX_DISABLE	0x400	/* INTx emulation disable */
150 
151 /*
152  * PCI Interrupt pin value
153  */
154 #define	PCI_INTA	1
155 #define	PCI_INTB	2
156 #define	PCI_INTC	3
157 #define	PCI_INTD	4
158 
159 /*
160  * PCI status register bits
161  */
162 #define	PCI_STAT_INTR		0x8	/* Interrupt state */
163 #define	PCI_STAT_CAP		0x10	/* Implements Capabilities */
164 #define	PCI_STAT_66MHZ		0x20	/* 66 MHz capable */
165 #define	PCI_STAT_UDF		0x40	/* UDF supported */
166 #define	PCI_STAT_FBBC		0x80	/* Fast Back-to-Back Capable */
167 #define	PCI_STAT_S_PERROR	0x100	/* Data Parity Reported */
168 #define	PCI_STAT_DEVSELT	0x600	/* Device select timing */
169 #define	PCI_STAT_S_TARG_AB	0x800	/* Signaled Target Abort */
170 #define	PCI_STAT_R_TARG_AB	0x1000	/* Received Target Abort */
171 #define	PCI_STAT_R_MAST_AB	0x2000	/* Received Master Abort */
172 #define	PCI_STAT_S_SYSERR	0x4000	/* Signaled System Error */
173 #define	PCI_STAT_PERROR		0x8000	/* Detected Parity Error */
174 
175 /*
176  * DEVSEL timing values
177  */
178 #define	PCI_STAT_DEVSELT_FAST	0x0000
179 #define	PCI_STAT_DEVSELT_MEDIUM	0x0200
180 #define	PCI_STAT_DEVSELT_SLOW	0x0400
181 
182 /*
183  * BIST values
184  */
185 #define	PCI_BIST_SUPPORTED	0x80
186 #define	PCI_BIST_GO		0x40
187 #define	PCI_BIST_RESULT_M	0x0f
188 #define	PCI_BIST_RESULT_OK	0x00
189 
190 /*
191  * PCI class codes
192  */
193 #define	PCI_CLASS_NONE		0x0	/* class code for pre-2.0 devices */
194 #define	PCI_CLASS_MASS		0x1	/* Mass storage Controller class */
195 #define	PCI_CLASS_NET		0x2	/* Network Controller class */
196 #define	PCI_CLASS_DISPLAY	0x3	/* Display Controller class */
197 #define	PCI_CLASS_MM		0x4	/* Multimedia Controller class */
198 #define	PCI_CLASS_MEM		0x5	/* Memory Controller class */
199 #define	PCI_CLASS_BRIDGE	0x6	/* Bridge Controller class */
200 #define	PCI_CLASS_COMM		0x7	/* Communications Controller class */
201 #define	PCI_CLASS_PERIPH	0x8	/* Peripheral Controller class */
202 #define	PCI_CLASS_INPUT		0x9	/* Input Device class */
203 #define	PCI_CLASS_DOCK		0xa	/* Docking Station class */
204 #define	PCI_CLASS_PROCESSOR	0xb	/* Processor class */
205 #define	PCI_CLASS_SERIALBUS	0xc	/* Serial Bus class */
206 #define	PCI_CLASS_WIRELESS	0xd	/* Wireless Controller class */
207 #define	PCI_CLASS_INTIO		0xe	/* Intelligent IO Controller class */
208 #define	PCI_CLASS_SATELLITE	0xf	/* Satellite Communication class */
209 #define	PCI_CLASS_CRYPT		0x10	/* Encrytion/Decryption class */
210 #define	PCI_CLASS_SIGNAL	0x11	/* Signal Processing class */
211 
212 /*
213  * PCI Sub-class codes - base class 0x0 (no new devices should use this code).
214  */
215 #define	PCI_NONE_NOTVGA		0x0	/* All devices except VGA compatible */
216 #define	PCI_NONE_VGA		0x1	/* VGA compatible */
217 
218 /*
219  * PCI Sub-class codes - base class 0x1 (mass storage controllers)
220  */
221 #define	PCI_MASS_SCSI		0x0	/* SCSI bus Controller */
222 #define	PCI_MASS_IDE		0x1	/* IDE Controller */
223 #define	PCI_MASS_FD		0x2	/* floppy disk Controller */
224 #define	PCI_MASS_IPI		0x3	/* IPI bus Controller */
225 #define	PCI_MASS_RAID		0x4	/* RAID Controller */
226 #define	PCI_MASS_ATA		0x5	/* ATA Controller */
227 #define	PCI_MASS_SATA		0x6	/* Serial ATA */
228 #define	PCI_MASS_OTHER		0x80	/* Other Mass Storage Controller */
229 
230 /*
231  * programming interface for IDE (subclass 1)
232  */
233 #define	PCI_IDE_IF_NATIVE_PRI	0x1	/* primary channel is native */
234 #define	PCI_IDE_IF_PROG_PRI	0x2	/* primary can operate in either mode */
235 #define	PCI_IDE_IF_NATIVE_SEC	0x4	/* secondary channel is native */
236 #define	PCI_IDE_IF_PROG_SEC	0x8	/* sec. can operate in either mode */
237 #define	PCI_IDE_IF_MASK		0xf	/* programming interface mask */
238 
239 
240 /*
241  * programming interface for ATA (subclass 5)
242  */
243 #define	PCI_ATA_IF_SINGLE_DMA	0x20	/* ATA controller with single DMA */
244 #define	PCI_ATA_IF_CHAINED_DMA	0x30	/* ATA controller with chained DMA */
245 
246 /*
247  * PCI Sub-class codes - base class 0x2 (Network controllers)
248  */
249 #define	PCI_NET_ENET		0x0	/* Ethernet Controller */
250 #define	PCI_NET_TOKEN		0x1	/* Token Ring Controller */
251 #define	PCI_NET_FDDI		0x2	/* FDDI Controller */
252 #define	PCI_NET_ATM		0x3	/* ATM Controller */
253 #define	PCI_NET_ISDN		0x4	/* ISDN Controller */
254 #define	PCI_NET_WFIP		0x5	/* WorldFip Controller */
255 #define	PCI_NET_PICMG		0x6	/* PICMG 2.14 Multi Computing */
256 #define	PCI_NET_OTHER		0x80	/* Other Network Controller */
257 
258 /*
259  * PCI Sub-class codes - base class 03 (display controllers)
260  */
261 #define	PCI_DISPLAY_VGA		0x0	/* VGA device */
262 #define	PCI_DISPLAY_XGA		0x1	/* XGA device */
263 #define	PCI_DISPLAY_3D		0x2	/* 3D controller */
264 #define	PCI_DISPLAY_OTHER	0x80	/* Other Display Device */
265 
266 /*
267  * programming interface for display for display class (subclass 0) VGA ctrlrs
268  */
269 #define	PCI_DISPLAY_IF_VGA	0x0	/* VGA compatible */
270 #define	PCI_DISPLAY_IF_8514	0x1	/* 8514 compatible */
271 
272 /*
273  * PCI Sub-class codes - base class 0x4 (multi-media devices)
274  */
275 #define	PCI_MM_VIDEO		0x0	/* Video device */
276 #define	PCI_MM_AUDIO		0x1	/* Audio device */
277 #define	PCI_MM_TELEPHONY	0x2	/* Computer Telephony device */
278 #define	PCI_MM_OTHER		0x80	/* Other Multimedia Device */
279 
280 /*
281  * PCI Sub-class codes - base class 0x5 (memory controllers)
282  */
283 #define	PCI_MEM_RAM		0x0	/* RAM device */
284 #define	PCI_MEM_FLASH		0x1	/* FLASH device */
285 #define	PCI_MEM_OTHER		0x80	/* Other Memory Controller */
286 
287 /*
288  * PCI Sub-class codes - base class 0x6 (Bridge devices)
289  */
290 #define	PCI_BRIDGE_HOST		0x0	/* Host/PCI Bridge */
291 #define	PCI_BRIDGE_ISA		0x1	/* PCI/ISA Bridge */
292 #define	PCI_BRIDGE_EISA		0x2	/* PCI/EISA Bridge */
293 #define	PCI_BRIDGE_MC		0x3	/* PCI/MC Bridge */
294 #define	PCI_BRIDGE_PCI		0x4	/* PCI/PCI Bridge */
295 #define	PCI_BRIDGE_PCMCIA	0x5	/* PCI/PCMCIA Bridge */
296 #define	PCI_BRIDGE_NUBUS	0x6	/* PCI/NUBUS Bridge */
297 #define	PCI_BRIDGE_CARDBUS	0x7	/* PCI/CARDBUS Bridge */
298 #define	PCI_BRIDGE_RACE		0x8	/* RACE-way Bridge */
299 #define	PCI_BRIDGE_STPCI	0x9	/* Semi-transparent PCI/PCI Bridge */
300 #define	PCI_BRIDGE_IB		0xA	/* InfiniBand/PCI host Bridge */
301 #define	PCI_BRIDGE_OTHER	0x80	/* PCI/Other Bridge Device */
302 
303 /*
304  * programming interface for Bridges class 0x6 (subclass 4) PCI-PCI bridge
305  */
306 #define	PCI_BRIDGE_PCI_IF_PCI2PCI	0x0	/* PCI-PCI bridge */
307 #define	PCI_BRIDGE_PCI_IF_SUBDECODE	0x1	/* Subtractive Decode */
308 						/* PCI/PCI bridge */
309 
310 /*
311  * programming interface for Bridges class 0x6 (subclass 08) RACEway bridge
312  */
313 #define	PCI_BRIDGE_RACE_IF_TRANSPARENT	0x0	/* Transport mode */
314 #define	PCI_BRIDGE_RACE_IF_ENDPOINT	0x1	/* Endpoint mode */
315 
316 /*
317  * programming interface for Bridges class 0x6 (subclass 09)
318  * Semi-transparent PCI-to-PCI bridge
319  */
320 #define	PCI_BRIDGE_STPCI_IF_PRIMARY	0x40	/* primary PCI side bus */
321 						/* facing system processor */
322 #define	PCI_BRIDGE_STPCI_IF_SECONDARY	0x80	/* secondary PCI side bus */
323 						/* facing system processor */
324 
325 /*
326  * PCI Sub-class codes - base class 0x7 (communication devices)
327  */
328 #define	PCI_COMM_GENERIC_XT	0x0	/* XT Compatible Serial Controller */
329 #define	PCI_COMM_PARALLEL	0x1	/* Parallel Port Controller */
330 #define	PCI_COMM_MSC		0x2	/* Multiport Serial Controller */
331 #define	PCI_COMM_MODEM		0x3	/* Modem Controller */
332 #define	PCI_COMM_GPIB		0x4	/* GPIB Controller */
333 #define	PCI_COMM_SMARTCARD	0x5	/* Smart Card Controller */
334 #define	PCI_COMM_OTHER		0x80	/* Other Communications Controller */
335 
336 /*
337  * Programming interfaces for class 0x7 / subclass 0x0 (Serial)
338  */
339 #define	PCI_COMM_SERIAL_IF_GENERIC	0x0	/* Generic XT-compat serial */
340 #define	PCI_COMM_SERIAL_IF_16450	0x1	/* 16450-compat serial ctrlr */
341 #define	PCI_COMM_SERIAL_IF_16550	0x2	/* 16550-compat serial ctrlr */
342 #define	PCI_COMM_SERIAL_IF_16650	0x3	/* 16650-compat serial ctrlr */
343 #define	PCI_COMM_SERIAL_IF_16750	0x4	/* 16750-compat serial ctrlr */
344 #define	PCI_COMM_SERIAL_IF_16850	0x5	/* 16850-compat serial ctrlr */
345 #define	PCI_COMM_SERIAL_IF_16950	0x6	/* 16950-compat serial ctrlr */
346 
347 /*
348  * Programming interfaces for class 0x7 / subclass 0x1 (Parallel)
349  */
350 #define	PCI_COMM_PARALLEL_IF_GENERIC	0x0	/* Generic Parallel port */
351 #define	PCI_COMM_PARALLEL_IF_BIDIRECT	0x1	/* Bi-directional Parallel */
352 #define	PCI_COMM_PARALLEL_IF_ECP	0x2	/* ECP 1.X Parallel port */
353 #define	PCI_COMM_PARALLEL_IF_1284	0x3	/* IEEE 1284 Parallel port */
354 #define	PCI_COMM_PARALLEL_IF_1284_TARG	0xFE	/* IEEE 1284 target device */
355 
356 /*
357  * Programming interfaces for class 0x7 / subclass 0x3 (Modem)
358  */
359 #define	PCI_COMM_MODEM_IF_GENERIC	0x0	/* Generic Modem */
360 #define	PCI_COMM_MODEM_IF_HAYES_16450	0x1	/* Hayes 16450-compat Modem */
361 #define	PCI_COMM_MODEM_IF_HAYES_16550	0x2	/* Hayes 16550-compat Modem */
362 #define	PCI_COMM_MODEM_IF_HAYES_16650	0x3	/* Hayes 16650-compat Modem */
363 #define	PCI_COMM_MODEM_IF_HAYES_16750	0x4	/* Hayes 16750-compat Modem */
364 
365 /*
366  * PCI Sub-class codes - base class 0x8
367  */
368 #define	PCI_PERIPH_PIC		0x0	/* Generic PIC */
369 #define	PCI_PERIPH_DMA		0x1	/* Generic DMA Controller */
370 #define	PCI_PERIPH_TIMER	0x2	/* Generic System Timer Controller */
371 #define	PCI_PERIPH_RTC		0x3	/* Generic RTC Controller */
372 #define	PCI_PERIPH_HPC		0x3	/* Generic PCI Hot-Plug Controller */
373 #define	PCI_PERIPH_OTHER	0x80	/* Other System Peripheral */
374 
375 /*
376  * Programming interfaces for class 0x8 / subclass 0x0 (interrupt controller)
377  */
378 #define	PCI_PERIPH_PIC_IF_GENERIC	0x0	/* Generic 8259 APIC */
379 #define	PCI_PERIPH_PIC_IF_ISA		0x1	/* ISA PIC */
380 #define	PCI_PERIPH_PIC_IF_EISA		0x2	/* EISA PIC */
381 #define	PCI_PERIPH_PIC_IF_IO_APIC	0x10	/* I/O APIC interrupt ctrlr */
382 #define	PCI_PERIPH_PIC_IF_IOX_APIC	0x20	/* I/O(x) APIC intr ctrlr */
383 
384 /*
385  * Programming interfaces for class 0x8 / subclass 0x1 (DMA controller)
386  */
387 #define	PCI_PERIPH_DMA_IF_GENERIC	0x0	/* Generic 8237 DMA ctrlr */
388 #define	PCI_PERIPH_DMA_IF_ISA		0x1	/* ISA DMA ctrlr */
389 #define	PCI_PERIPH_DMA_IF_EISA		0x2	/* EISA DMA ctrlr */
390 
391 /*
392  * Programming interfaces for class 0x8 / subclass 0x2 (timer)
393  */
394 #define	PCI_PERIPH_TIMER_IF_GENERIC	0x0	/* Generic 8254 system timer */
395 #define	PCI_PERIPH_TIMER_IF_ISA		0x1	/* ISA system timers */
396 #define	PCI_PERIPH_TIMER_IF_EISA	0x2	/* EISA system timers (two) */
397 
398 /*
399  * Programming interfaces for class 0x8 / subclass 0x3 (realtime clock)
400  */
401 #define	PCI_PERIPH_RTC_IF_GENERIC	0x0	/* Generic RTC controller */
402 #define	PCI_PERIPH_RTC_IF_ISA		0x1	/* ISA RTC controller */
403 
404 /*
405  * PCI Sub-class codes - base class 0x9
406  */
407 #define	PCI_INPUT_KEYBOARD	0x0	/* Keyboard Controller */
408 #define	PCI_INPUT_DIGITIZ	0x1	/* Digitizer (Pen) */
409 #define	PCI_INPUT_MOUSE		0x2	/* Mouse Controller */
410 #define	PCI_INPUT_SCANNER	0x3	/* Scanner Controller */
411 #define	PCI_INPUT_GAMEPORT	0x4	/* Gameport Controller */
412 #define	PCI_INPUT_OTHER		0x80	/* Other Input Controller */
413 
414 /*
415  * Programming interfaces for class 0x9 / subclass 0x4 (Gameport controller)
416  */
417 #define	PCI_INPUT_GAMEPORT_IF_GENERIC	0x00	/* Generic controller */
418 #define	PCI_INPUT_GAMEPORT_IF_LEGACY	0x10	/* Legacy controller */
419 
420 /*
421  * PCI Sub-class codes - base class 0xa
422  */
423 #define	PCI_DOCK_GENERIC	0x00	/* Generic Docking Station */
424 #define	PCI_DOCK_OTHER		0x80	/* Other Type of Docking Station */
425 
426 /*
427  * PCI Sub-class codes - base class 0xb
428  */
429 #define	PCI_PROCESSOR_386	0x0	/* 386 */
430 #define	PCI_PROCESSOR_486	0x1	/* 486 */
431 #define	PCI_PROCESSOR_PENT	0x2	/* Pentium */
432 #define	PCI_PROCESSOR_ALPHA	0x10	/* Alpha */
433 #define	PCI_PROCESSOR_POWERPC	0x20	/* PowerPC */
434 #define	PCI_PROCESSOR_MIPS	0x30	/* MIPS */
435 #define	PCI_PROCESSOR_COPROC	0x40	/* Co-processor */
436 
437 /*
438  * PCI Sub-class codes - base class 0xc (Serial Controllers)
439  */
440 #define	PCI_SERIAL_FIRE		0x0	/* FireWire (IEEE 1394) */
441 #define	PCI_SERIAL_ACCESS	0x1	/* ACCESS.bus */
442 #define	PCI_SERIAL_SSA		0x2	/* SSA */
443 #define	PCI_SERIAL_USB		0x3	/* Universal Serial Bus */
444 #define	PCI_SERIAL_FIBRE	0x4	/* Fibre Channel */
445 #define	PCI_SERIAL_SMBUS	0x5	/* System Management Bus */
446 #define	PCI_SERIAL_IB		0x6	/* InfiniBand */
447 #define	PCI_SERIAL_IPMI		0x7	/* IPMI */
448 #define	PCI_SERIAL_SERCOS	0x8	/* SERCOS Interface Std (IEC 61491) */
449 #define	PCI_SERIAL_CANBUS	0x9	/* CANbus */
450 
451 /*
452  * Programming interfaces for class 0xC / subclass 0x3 (USB controller)
453  */
454 #define	PCI_SERIAL_USB_IF_UHCI 		0x00	/* UHCI Compliant */
455 #define	PCI_SERIAL_USB_IF_OHCI 		0x10	/* OHCI Compliant */
456 #define	PCI_SERIAL_USB_IF_EHCI 		0x20	/* EHCI Compliant */
457 #define	PCI_SERIAL_USB_IF_GENERIC 	0x80	/* no specific HCD */
458 #define	PCI_SERIAL_USB_IF_DEVICE 	0xFE	/* not a HCD */
459 
460 /*
461  * Programming interfaces for class 0xC / subclass 0x7 (IPMI controller)
462  */
463 #define	PCI_SERIAL_IPMI_IF_SMIC 	0x0	/* SMIC Interface */
464 #define	PCI_SERIAL_IPMI_IF_KBD 		0x1	/* Keyboard Ctrl Style Intfc */
465 #define	PCI_SERIAL_IPMI_IF_BTI		0x2	/* Block Transfer Interface */
466 
467 /*
468  * PCI Sub-class codes - base class 0xd (Wireless controllers)
469  */
470 #define	PCI_WIRELESS_IRDA		0x0	/* iRDA Compatible Controller */
471 #define	PCI_WIRELESS_IR			0x1	/* Consumer IR Controller */
472 #define	PCI_WIRELESS_RF			0x10	/* RF Controller */
473 #define	PCI_WIRELESS_BLUETOOTH		0x11	/* Bluetooth Controller */
474 #define	PCI_WIRELESS_BROADBAND		0x12	/* Broadband Controller */
475 #define	PCI_WIRELESS_80211A		0x20	/* Ethernet 802.11a 5 GHz */
476 #define	PCI_WIRELESS_80211B		0x21	/* Ethernet 802.11b 2.4 GHz */
477 #define	PCI_WIRELESS_OTHER		0x80	/* Other Wireless Controllers */
478 
479 /*
480  * PCI Sub-class codes - base class 0xe (Intelligent I/O controllers)
481  */
482 #define	PCI_INTIO_I20			0x1	/* I20 Arch Spec 1.0 */
483 
484 /*
485  * PCI Sub-class codes - base class 0xf (Satellite Communication controllers)
486  */
487 #define	PCI_SATELLITE_COMM_TV		0x01	/* TV */
488 #define	PCI_SATELLITE_COMM_AUDIO	0x02	/* Audio */
489 #define	PCI_SATELLITE_COMM_VOICE	0x03	/* Voice */
490 #define	PCI_SATELLITE_COMM_DATA		0x04	/* DATA */
491 
492 /*
493  * PCI Sub-class codes - base class 0x10 (Encryption/Decryption controllers)
494  */
495 #define	PCI_CRYPT_NETWORK		0x00	/* Network and Computing */
496 #define	PCI_CRYPT_ENTERTAINMENT		0x10	/* Entertainment en/decrypt */
497 #define	PCI_CRYPT_OTHER			0x80	/* Other en/decryption ctrlrs */
498 
499 /*
500  * PCI Sub-class codes - base class 0x11 (Signal Processing controllers)
501  */
502 #define	PCI_SIGNAL_DPIO			0x00	/* DPIO modules */
503 #define	PCI_SIGNAL_PERF_COUNTERS	0x01	/* Performance counters */
504 #define	PCI_SIGNAL_COMM_SYNC		0x10	/* Comm. synchronization plus */
505 						/* time and freq test ctrlr */
506 #define	PCI_SIGNAL_MANAGEMENT		0x20	/* Management card */
507 #define	PCI_SIGNAL_OTHER		0x80	/* DSP/DAP controller */
508 
509 /* PCI header decode */
510 #define	PCI_HEADER_MULTI	0x80	/* multi-function device */
511 #define	PCI_HEADER_ZERO		0x00	/* type zero PCI header */
512 #define	PCI_HEADER_ONE		0x01	/* type one PCI header */
513 #define	PCI_HEADER_TWO		0x02	/* type two PCI header */
514 #define	PCI_HEADER_PPB		PCI_HEADER_ONE  /* type one PCI to PCI Bridge */
515 #define	PCI_HEADER_CARDBUS	PCI_HEADER_TWO	/* type one PCI header */
516 
517 #define	PCI_HEADER_TYPE_M	0x7f  /* type mask for header */
518 
519 /*
520  * Base register bit definitions.
521  */
522 #define	PCI_BASE_SPACE_M    0x1  /* memory space indicator */
523 #define	PCI_BASE_SPACE_IO   0x1   /* IO space */
524 #define	PCI_BASE_SPACE_MEM  0x0   /* memory space */
525 
526 #define	PCI_BASE_TYPE_MEM   0x0   /* 32-bit memory address */
527 #define	PCI_BASE_TYPE_LOW   0x2   /* less than 1Mb address */
528 #define	PCI_BASE_TYPE_ALL   0x4   /* 64-bit memory address */
529 #define	PCI_BASE_TYPE_RES   0x6   /* reserved */
530 
531 #define	PCI_BASE_TYPE_M		0x00000006  /* type indicator mask */
532 #define	PCI_BASE_PREF_M		0x00000008  /* prefetch mask */
533 #define	PCI_BASE_M_ADDR_M	0xfffffff0  /* memory address mask */
534 #define	PCI_BASE_IO_ADDR_M	0xfffffffe  /* I/O address mask */
535 
536 #define	PCI_BASE_ROM_ADDR_M	0xfffff800  /* ROM address mask */
537 #define	PCI_BASE_ROM_ENABLE	0x00000001  /* ROM decoder enable */
538 
539 /*
540  * Capabilities linked list entry offsets
541  */
542 #define	PCI_CAP_ID		0x0	/* capability identifier, 1 byte */
543 #define	PCI_CAP_NEXT_PTR	0x1	/* next entry pointer, 1 byte */
544 #define	PCI_CAP_ID_REGS_OFF	0x2	/* cap id register offset */
545 #define	PCI_CAP_MAX_PTR		0x30	/* maximum number of cap pointers */
546 #define	PCI_CAP_PTR_OFF		0x40	/* minimum cap pointer offset */
547 #define	PCI_CAP_PTR_MASK	0xFC	/* mask for capability pointer */
548 
549 /*
550  * Capability identifier values
551  */
552 #define	PCI_CAP_ID_PM		0x1	/* power management entry */
553 #define	PCI_CAP_ID_AGP		0x2	/* AGP supported */
554 #define	PCI_CAP_ID_VPD		0x3	/* VPD supported */
555 #define	PCI_CAP_ID_SLOT_ID	0x4	/* Slot Identification supported */
556 #define	PCI_CAP_ID_MSI		0x5	/* MSI supported */
557 #define	PCI_CAP_ID_cPCI_HS	0x6	/* CompactPCI Host Swap supported */
558 #define	PCI_CAP_ID_PCIX		0x7	/* PCI-X supported */
559 #define	PCI_CAP_ID_HT		0x8	/* HyperTransport supported */
560 #define	PCI_CAP_ID_VS		0x9	/* Vendor Specific */
561 #define	PCI_CAP_ID_DEBUG_PORT	0xA	/* Debug Port supported */
562 #define	PCI_CAP_ID_cPCI_CRC	0xB	/* CompactPCI central resource ctrl */
563 #define	PCI_CAP_ID_PCI_HOTPLUG	0xC	/* PCI Hot Plug supported */
564 #define	PCI_CAP_ID_AGP_8X	0xE	/* AGP 8X supported */
565 #define	PCI_CAP_ID_SECURE_DEV	0xF	/* Secure Device supported */
566 #define	PCI_CAP_ID_PCI_E	0x10	/* PCI Express supported */
567 #define	PCI_CAP_ID_MSI_X	0x11	/* MSI-X supported */
568 
569 /*
570  * Capability next entry pointer values
571  */
572 #define	PCI_CAP_NEXT_PTR_NULL	0x0	/* no more entries in the list */
573 
574 /*
575  * PCI power management (PM) capability entry offsets
576  */
577 #define	PCI_PMCAP		0x2	/* PM capabilities, 2 bytes */
578 #define	PCI_PMCSR		0x4	/* PM control/status reg, 2 bytes */
579 #define	PCI_PMCSR_BSE		0x6	/* PCI-PCI bridge extensions, 1 byte */
580 #define	PCI_PMDATA		0x7	/* PM data, 1 byte */
581 
582 /*
583  * PM capabilities values - 2 bytes
584  */
585 #define	PCI_PMCAP_VER_1_0	0x1	/* PCI PM spec 1.0 */
586 #define	PCI_PMCAP_VER_1_1	0x2	/* PCI PM spec 1.1 */
587 #define	PCI_PMCAP_VER_MASK	0x7	/* version mask */
588 #define	PCI_PMCAP_PME_CLOCK	0x8	/* needs PCI clock for PME */
589 #define	PCI_PMCAP_DSI		0x20	/* needs device specific init */
590 #define	PCI_PMCAP_AUX_CUR_SELF	0x0	/* 0 aux current - self powered */
591 #define	PCI_PMCAP_AUX_CUR_55mA	0x40	/* 55 mA aux current */
592 #define	PCI_PMCAP_AUX_CUR_100mA	0x80	/* 100 mA aux current */
593 #define	PCI_PMCAP_AUX_CUR_160mA	0xc0	/* 160 mA aux current */
594 #define	PCI_PMCAP_AUX_CUR_220mA	0x100	/* 220 mA aux current */
595 #define	PCI_PMCAP_AUX_CUR_270mA	0x140	/* 270 mA aux current */
596 #define	PCI_PMCAP_AUX_CUR_320mA	0x180	/* 320 mA aux current */
597 #define	PCI_PMCAP_AUX_CUR_375mA	0x1c0	/* 375 mA aux current */
598 #define	PCI_PMCAP_AUX_CUR_MASK	0x1c0	/* 3.3Vaux aux current needs */
599 #define	PCI_PMCAP_D1		0x200	/* D1 state supported */
600 #define	PCI_PMCAP_D2		0x400	/* D2 state supported */
601 #define	PCI_PMCAP_D0_PME	0x800	/* PME from D0 */
602 #define	PCI_PMCAP_D1_PME	0x1000	/* PME from D1 */
603 #define	PCI_PMCAP_D2_PME	0x2000	/* PME from D2 */
604 #define	PCI_PMCAP_D3HOT_PME	0x4000	/* PME from D3hot */
605 #define	PCI_PMCAP_D3COLD_PME	0x8000	/* PME from D3cold */
606 #define	PCI_PMCAP_PME_MASK	0xf800	/* PME support mask */
607 
608 /*
609  * PM control/status values - 2 bytes
610  */
611 #define	PCI_PMCSR_D0			0x0	/* power state D0 */
612 #define	PCI_PMCSR_D1			0x1	/* power state D1 */
613 #define	PCI_PMCSR_D2			0x2	/* power state D2 */
614 #define	PCI_PMCSR_D3HOT			0x3	/* power state D3hot */
615 #define	PCI_PMCSR_STATE_MASK		0x3	/* power state mask */
616 #define	PCI_PMCSR_PME_EN		0x100	/* enable PME assertion */
617 #define	PCI_PMCSR_DSEL_D0_PWR_C		0x0	/* D0 power consumed */
618 #define	PCI_PMCSR_DSEL_D1_PWR_C		0x200	/* D1 power consumed */
619 #define	PCI_PMCSR_DSEL_D2_PWR_C		0x400	/* D2 power consumed */
620 #define	PCI_PMCSR_DSEL_D3_PWR_C		0x600	/* D3 power consumed */
621 #define	PCI_PMCSR_DSEL_D0_PWR_D		0x800	/* D0 power dissipated */
622 #define	PCI_PMCSR_DSEL_D1_PWR_D		0xa00	/* D1 power dissipated */
623 #define	PCI_PMCSR_DSEL_D2_PWR_D		0xc00	/* D2 power dissipated */
624 #define	PCI_PMCSR_DSEL_D3_PWR_D		0xe00	/* D3 power dissipated */
625 #define	PCI_PMCSR_DSEL_COM_C		0x1000	/* common power consumption */
626 #define	PCI_PMCSR_DSEL_MASK		0x1e00	/* data select mask */
627 #define	PCI_PMCSR_DSCL_UNKNOWN		0x0	/* data scale unknown */
628 #define	PCI_PMCSR_DSCL_1_BY_10		0x2000	/* data scale 0.1x */
629 #define	PCI_PMCSR_DSCL_1_BY_100		0x4000	/* data scale 0.01x */
630 #define	PCI_PMCSR_DSCL_1_BY_1000	0x6000	/* data scale 0.001x */
631 #define	PCI_PMCSR_DSCL_MASK		0x6000	/* data scale mask */
632 #define	PCI_PMCSR_PME_STAT		0x8000	/* PME status */
633 
634 /*
635  * PM PMCSR PCI to PCI bridge support extension values - 1 byte
636  */
637 #define	PCI_PMCSR_BSE_B2_B3	0x40	/* bridge D3hot -> secondary B2 */
638 #define	PCI_PMCSR_BSE_BPCC_EN	0x80	/* bus power/clock control enabled */
639 
640 /*
641  * PCI-X capability related definitions
642  */
643 #define	PCI_PCIX_COMMAND	0x2	/* Command register offset */
644 
645 #define	PCI_PCIX_VER_MASK	0x3000	/* Bits 12 and 13 */
646 #define	PCI_PCIX_VER_0		0x0000	/* PCIX cap list item version 0 */
647 #define	PCI_PCIX_VER_1		0x1000	/* PCIX cap list item version 1 */
648 #define	PCI_PCIX_VER_2		0x2000	/* PCIX cap list item version 2 */
649 
650 /*
651  * PCI Message Signalled Interrupts (MSI) capability entry offsets for 32-bit
652  */
653 #define	PCI_MSI_CTRL		0x02	/* MSI control register, 2 bytes */
654 #define	PCI_MSI_ADDR_OFFSET	0x04	/* MSI 32-bit msg address, 4 bytes */
655 #define	PCI_MSI_32BIT_DATA	0x08	/* MSI 32-bit msg data, 2 bytes */
656 #define	PCI_MSI_32BIT_MASK	0x0C	/* MSI 32-bit mask bits, 4 bytes */
657 #define	PCI_MSI_32BIT_PENDING	0x10	/* MSI 32-bit pending bits, 4 bytes */
658 
659 /*
660  * PCI Message Signalled Interrupts (MSI) capability entry offsets for 64-bit
661  */
662 #define	PCI_MSI_64BIT_DATA	0x0C	/* MSI 64-bit msg data, 2 bytes */
663 #define	PCI_MSI_64BIT_MASKBITS	0x10	/* MSI 64-bit mask bits, 4 bytes */
664 #define	PCI_MSI_64BIT_PENDING	0x14	/* MSI 64-bit pending bits, 4 bytes */
665 
666 /*
667  * PCI Message Signalled Interrupts (MSI) capability masks and shifts
668  */
669 #define	PCI_MSI_ENABLE_BIT	0x0001	/* MSI enable mask in MSI ctrl reg */
670 #define	PCI_MSI_MMC_MASK	0x000E	/* MMC mask in MSI ctrl reg */
671 #define	PCI_MSI_MMC_SHIFT	0x1	/* Shift for MMC bits */
672 #define	PCI_MSI_MME_MASK	0x0070	/* MME mask in MSI ctrl reg */
673 #define	PCI_MSI_MME_SHIFT	0x4	/* Shift for MME bits */
674 #define	PCI_MSI_64BIT_MASK	0x0080	/* 64bit support mask in MSI ctrl reg */
675 #define	PCI_MSI_PVM_MASK	0x0100	/* PVM support mask in MSI ctrl reg */
676 
677 /*
678  * PCI Extended Message Signalled Interrupts (MSI-X) capability entry offsets
679  */
680 #define	PCI_MSIX_CTRL		0x02	/* MSI-X control register, 2 bytes */
681 #define	PCI_MSIX_TBL_OFFSET	0x04	/* MSI-X table offset, 4 bytes */
682 #define	PCI_MSIX_TBL_BIR_MASK	0x0007	/* MSI-X table BIR mask */
683 #define	PCI_MSIX_PBA_OFFSET	0x08	/* MSI-X pending bit array, 4 bytes */
684 #define	PCI_MSIX_PBA_BIR_MASK	0x0007	/* MSI-X PBA BIR mask */
685 
686 #define	PCI_MSIX_TBL_SIZE_MASK	0x07FF	/* table size mask in MSI-X ctrl reg */
687 #define	PCI_MSIX_FUNCTION_MASK	0x4000	/* function mask in MSI-X ctrl reg */
688 #define	PCI_MSIX_ENABLE_BIT	0x8000	/* MSI-X enable mask in MSI-X ctl reg */
689 
690 #define	PCI_MSIX_LOWER_ADDR_OFFSET	0	/* MSI-X lower addr offset */
691 #define	PCI_MSIX_UPPER_ADDR_OFFSET	4	/* MSI-X upper addr offset */
692 #define	PCI_MSIX_DATA_OFFSET		8	/* MSI-X data offset */
693 #define	PCI_MSIX_VECTOR_CTRL_OFFSET	12	/* MSI-X vector ctrl offset */
694 #define	PCI_MSIX_VECTOR_SIZE		16	/* MSI-X size of each vector */
695 
696 /*
697  * PCI Message Signalled Interrupts: other interesting constants
698  */
699 #define	PCI_MSI_MAX_INTRS	32	/* maximum MSI interrupts supported */
700 #define	PCI_MSIX_MAX_INTRS	2048	/* maximum MSI-X interrupts supported */
701 
702 /*
703  * PCI Slot Id Capabilities, 2 bytes
704  */
705 /* Byte 1: Expansion Slot Register (ESR), Byte 2: Chassis Number Register */
706 #define	PCI_CAPSLOT_ESR_NSLOTS_MASK	0x1F	/* Number of slots mask */
707 #define	PCI_CAPSLOT_ESR_FIC		0x20	/* First In Chassis bit */
708 #define	PCI_CAPSLOT_ESR_FIC_MASK	0x01	/* First In Chassis mask */
709 #define	PCI_CAPSLOT_ESR_FIC_SHIFT	5	/* First In Chassis shift */
710 #define	PCI_CAPSLOT_FIC(esr_reg)	((esr_reg) & PCI_CAPSLOT_ESR_FIC)
711 #define	PCI_CAPSLOT_NSLOTS(esr_reg)	((esr_reg) & \
712 						PCI_CAPSLOT_ESR_NSLOTS_MASK)
713 
714 /*
715  * other interesting PCI constants
716  */
717 #define	PCI_BASE_NUM	6	/* num of base regs in configuration header */
718 #define	PCI_BAR_SZ_32	4	/* size of 32 bit base addr reg in bytes */
719 #define	PCI_BAR_SZ_64	8	/* size of 64 bit base addr reg in bytes */
720 #define	PCI_BASE_SIZE	4	/* size of base reg in bytes */
721 #define	PCI_CONF_HDR_SIZE	256	/* configuration header size */
722 #define	PCI_MAX_BUS_NUM		256		/* Maximum PCI buses allowed */
723 #define	PCI_CLK_33MHZ	(33 * 1000 * 1000)	/* 33MHz clock speed */
724 #define	PCI_CLK_66MHZ	(66 * 1000 * 1000)	/* 66MHz clock speed */
725 #define	PCI_CLK_133MHZ	(133 * 1000 * 1000)	/* 133MHz clock speed */
726 
727 /*
728  * This structure represents one entry of the 1275 "reg" property and
729  * "assigned-addresses" property for a PCI node.  For the "reg" property, it
730  * may be one of an arbitrary length array for devices with multiple address
731  * windows.  For the "assigned-addresses" property, it denotes an assigned
732  * physical address on the PCI bus.  It may be one entry of the six entries
733  * for devices with multiple base registers.
734  *
735  * The physical address format is:
736  *
737  *             Bit#:  33222222 22221111 11111100 00000000
738  *                    10987654 32109876 54321098 76543210
739  *
740  * pci_phys_hi cell:  np0000tt bbbbbbbb dddddfff rrrrrrrr
741  * pci_phys_mid cell: hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
742  * pci_phys_low cell: llllllll llllllll llllllll llllllll
743  *
744  * n          is 0 if the address is relocatable, 1 otherwise
745  * p          is 1 if the addressable region is "prefetchable", 0 otherwise
746  * t          is 1 if the address range is aliased
747  * tt         is the type code, denoting which address space
748  * bbbbbbbb   is the 8-bit bus number
749  * ddddd      is the 5-bit device number
750  * fff        is the 3-bit function number
751  * rrrrrrrr   is the 8-bit register number
752  * hh...hhh   is the 32-bit unsigned number
753  * ll...lll   is the 32-bit unsigned number
754  *
755  * The physical size format is:
756  *
757  * pci_size_hi cell:  hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
758  * pci_size_low cell: llllllll llllllll llllllll llllllll
759  *
760  * hh...hhh   is the 32-bit unsigned number
761  * ll...lll   is the 32-bit unsigned number
762  */
763 struct pci_phys_spec {
764 	uint_t pci_phys_hi;		/* child's address, hi word */
765 	uint_t pci_phys_mid;		/* child's address, middle word */
766 	uint_t pci_phys_low;		/* child's address, low word */
767 	uint_t pci_size_hi;		/* high word of size field */
768 	uint_t pci_size_low;		/* low word of size field */
769 };
770 
771 typedef struct pci_phys_spec pci_regspec_t;
772 
773 /*
774  * PCI masks for pci_phy_hi of PCI 1275 address cell.
775  */
776 #define	PCI_REG_REG_M		0xff		/* register mask */
777 #define	PCI_REG_FUNC_M		0x700		/* function mask */
778 #define	PCI_REG_DEV_M		0xf800		/* device mask */
779 #define	PCI_REG_BUS_M		0xff0000	/* bus number mask */
780 #define	PCI_REG_ADDR_M		0x3000000	/* address space mask */
781 #define	PCI_REG_ALIAS_M		0x20000000	/* aliased bit mask */
782 #define	PCI_REG_PF_M		0x40000000	/* prefetch bit mask */
783 #define	PCI_REG_REL_M		0x80000000	/* relocation bit mask */
784 #define	PCI_REG_BDFR_M		0xffffff	/* bus, dev, func, reg mask */
785 
786 #define	PCI_REG_FUNC_SHIFT	8		/* Offset of function bits */
787 #define	PCI_REG_DEV_SHIFT	11		/* Offset of device bits */
788 #define	PCI_REG_BUS_SHIFT	16		/* Offset of bus bits */
789 #define	PCI_REG_ADDR_SHIFT	24		/* Offset of address bits */
790 
791 #define	PCI_REG_REG_G(x)	((x) & PCI_REG_REG_M)
792 #define	PCI_REG_FUNC_G(x)	(((x) & PCI_REG_FUNC_M) >> PCI_REG_FUNC_SHIFT)
793 #define	PCI_REG_DEV_G(x)	(((x) & PCI_REG_DEV_M) >> PCI_REG_DEV_SHIFT)
794 #define	PCI_REG_BUS_G(x)	(((x) & PCI_REG_BUS_M) >> PCI_REG_BUS_SHIFT)
795 #define	PCI_REG_ADDR_G(x)	(((x) & PCI_REG_ADDR_M) >> PCI_REG_ADDR_SHIFT)
796 #define	PCI_REG_BDFR_G(x)	((x) & PCI_REG_BDFR_M)
797 
798 /*
799  * PCI bit encodings of pci_phys_hi of PCI 1275 address cell.
800  */
801 #define	PCI_ADDR_MASK		PCI_REG_ADDR_M
802 #define	PCI_ADDR_CONFIG		0x00000000	/* configuration address */
803 #define	PCI_ADDR_IO		0x01000000	/* I/O address */
804 #define	PCI_ADDR_MEM32		0x02000000	/* 32-bit memory address */
805 #define	PCI_ADDR_MEM64		0x03000000	/* 64-bit memory address */
806 #define	PCI_ALIAS_B		PCI_REG_ALIAS_M	/* aliased bit */
807 #define	PCI_PREFETCH_B		PCI_REG_PF_M	/* prefetch bit */
808 #define	PCI_RELOCAT_B		PCI_REG_REL_M	/* non-relocatable bit */
809 #define	PCI_CONF_ADDR_MASK	0x00ffffff	/* mask for config address */
810 
811 #define	PCI_HARDDEC_8514 2	/* number of reg entries for 8514 hard-decode */
812 #define	PCI_HARDDEC_VGA	3	/* number of reg entries for VGA hard-decode */
813 #define	PCI_HARDDEC_IDE	4	/* number of reg entries for IDE hard-decode */
814 #define	PCI_HARDDEC_IDE_PRI 2	/* number of reg entries for IDE primary */
815 #define	PCI_HARDDEC_IDE_SEC 2	/* number of reg entries for IDE secondary */
816 
817 /*
818  * PCI Expansion ROM Header Format
819  */
820 #define	PCI_ROM_SIGNATURE		0x0	/* ROM Signature 0xaa55 */
821 #define	PCI_ROM_ARCH_UNIQUE_START	0x2	/* Start of processor unique */
822 #define	PCI_ROM_PCI_DATA_STRUCT_PTR	0x18	/* Ptr to PCI Data Structure */
823 
824 /*
825  * PCI Data Structure
826  *
827  * The PCI Data Structure is located within the first 64KB
828  * of the ROM image and must be DWORD aligned.
829  */
830 #define	PCI_PDS_SIGNATURE	0x0	/* Signature, the string 'PCIR' */
831 #define	PCI_PDS_VENDOR_ID	0x4	/* Vendor Identification */
832 #define	PCI_PDS_DEVICE_ID	0x6	/* Device Identification */
833 #define	PCI_PDS_VPD_PTR		0x8	/* Pointer to Vital Product Data */
834 #define	PCI_PDS_PDS_LENGTH	0xa	/* PCI Data Structure Length */
835 #define	PCI_PDS_PDS_REVISION	0xc	/* PCI Data Structure Revision */
836 #define	PCI_PDS_CLASS_CODE	0xd	/* Class Code */
837 #define	PCI_PDS_IMAGE_LENGTH	0x10	/* Image Length in 512 byte units */
838 #define	PCI_PDS_CODE_REVISON	0x12	/* Revision Level of Code/Data */
839 #define	PCI_PDS_CODE_TYPE	0x14	/* Code Type */
840 #define	PCI_PDS_INDICATOR	0x15	/* Indicates if image is last in ROM */
841 
842 #define	PCI_PDS_CODE_TYPE_PCAT		0x0	/* Intel x86/PC-AT Type */
843 #define	PCI_PDS_CODE_TYPE_OPEN_FW	0x1	/* Open Firmware */
844 
845 #ifdef	__cplusplus
846 }
847 #endif
848 
849 #endif	/* _SYS_PCI_H */
850