2 * The PCI Library -- PCI Header Structure (based on <linux/pci.h>)
4 * Copyright (c) 1997--2004 Martin Mares <mj@ucw.cz>
6 * Can be freely distributed and used under the terms of the GNU GPL.
10 * Under PCI, each device has 256 bytes of configuration address space,
11 * of which the first 64 bytes are standardized as follows:
13 #define PCI_VENDOR_ID 0x00 /* 16 bits */
14 #define PCI_DEVICE_ID 0x02 /* 16 bits */
15 #define PCI_COMMAND 0x04 /* 16 bits */
16 #define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */
17 #define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */
18 #define PCI_COMMAND_MASTER 0x4 /* Enable bus mastering */
19 #define PCI_COMMAND_SPECIAL 0x8 /* Enable response to special cycles */
20 #define PCI_COMMAND_INVALIDATE 0x10 /* Use memory write and invalidate */
21 #define PCI_COMMAND_VGA_PALETTE 0x20 /* Enable palette snooping */
22 #define PCI_COMMAND_PARITY 0x40 /* Enable parity checking */
23 #define PCI_COMMAND_WAIT 0x80 /* Enable address/data stepping */
24 #define PCI_COMMAND_SERR 0x100 /* Enable SERR */
25 #define PCI_COMMAND_FAST_BACK 0x200 /* Enable back-to-back writes */
27 #define PCI_STATUS 0x06 /* 16 bits */
28 #define PCI_STATUS_CAP_LIST 0x10 /* Support Capability List */
29 #define PCI_STATUS_66MHZ 0x20 /* Support 66 Mhz PCI 2.1 bus */
30 #define PCI_STATUS_UDF 0x40 /* Support User Definable Features [obsolete] */
31 #define PCI_STATUS_FAST_BACK 0x80 /* Accept fast-back to back */
32 #define PCI_STATUS_PARITY 0x100 /* Detected parity error */
33 #define PCI_STATUS_DEVSEL_MASK 0x600 /* DEVSEL timing */
34 #define PCI_STATUS_DEVSEL_FAST 0x000
35 #define PCI_STATUS_DEVSEL_MEDIUM 0x200
36 #define PCI_STATUS_DEVSEL_SLOW 0x400
37 #define PCI_STATUS_SIG_TARGET_ABORT 0x800 /* Set on target abort */
38 #define PCI_STATUS_REC_TARGET_ABORT 0x1000 /* Master ack of " */
39 #define PCI_STATUS_REC_MASTER_ABORT 0x2000 /* Set on master abort */
40 #define PCI_STATUS_SIG_SYSTEM_ERROR 0x4000 /* Set when we drive SERR */
41 #define PCI_STATUS_DETECTED_PARITY 0x8000 /* Set on parity error */
43 #define PCI_CLASS_REVISION 0x08 /* High 24 bits are class, low 8
45 #define PCI_REVISION_ID 0x08 /* Revision ID */
46 #define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */
47 #define PCI_CLASS_DEVICE 0x0a /* Device class */
49 #define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */
50 #define PCI_LATENCY_TIMER 0x0d /* 8 bits */
51 #define PCI_HEADER_TYPE 0x0e /* 8 bits */
52 #define PCI_HEADER_TYPE_NORMAL 0
53 #define PCI_HEADER_TYPE_BRIDGE 1
54 #define PCI_HEADER_TYPE_CARDBUS 2
56 #define PCI_BIST 0x0f /* 8 bits */
57 #define PCI_BIST_CODE_MASK 0x0f /* Return result */
58 #define PCI_BIST_START 0x40 /* 1 to start BIST, 2 secs or less */
59 #define PCI_BIST_CAPABLE 0x80 /* 1 if BIST capable */
62 * Base addresses specify locations in memory or I/O space.
63 * Decoded size can be determined by writing a value of
64 * 0xffffffff to the register, and reading it back. Only
67 #define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */
68 #define PCI_BASE_ADDRESS_1 0x14 /* 32 bits [htype 0,1 only] */
69 #define PCI_BASE_ADDRESS_2 0x18 /* 32 bits [htype 0 only] */
70 #define PCI_BASE_ADDRESS_3 0x1c /* 32 bits */
71 #define PCI_BASE_ADDRESS_4 0x20 /* 32 bits */
72 #define PCI_BASE_ADDRESS_5 0x24 /* 32 bits */
73 #define PCI_BASE_ADDRESS_SPACE 0x01 /* 0 = memory, 1 = I/O */
74 #define PCI_BASE_ADDRESS_SPACE_IO 0x01
75 #define PCI_BASE_ADDRESS_SPACE_MEMORY 0x00
76 #define PCI_BASE_ADDRESS_MEM_TYPE_MASK 0x06
77 #define PCI_BASE_ADDRESS_MEM_TYPE_32 0x00 /* 32 bit address */
78 #define PCI_BASE_ADDRESS_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */
79 #define PCI_BASE_ADDRESS_MEM_TYPE_64 0x04 /* 64 bit address */
80 #define PCI_BASE_ADDRESS_MEM_PREFETCH 0x08 /* prefetchable? */
81 #define PCI_BASE_ADDRESS_MEM_MASK (~(pciaddr_t)0x0f)
82 #define PCI_BASE_ADDRESS_IO_MASK (~(pciaddr_t)0x03)
83 /* bit 1 is reserved if address_space = 1 */
85 /* Header type 0 (normal devices) */
86 #define PCI_CARDBUS_CIS 0x28
87 #define PCI_SUBSYSTEM_VENDOR_ID 0x2c
88 #define PCI_SUBSYSTEM_ID 0x2e
89 #define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */
90 #define PCI_ROM_ADDRESS_ENABLE 0x01
91 #define PCI_ROM_ADDRESS_MASK (~(pciaddr_t)0x7ff)
93 #define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */
95 /* 0x35-0x3b are reserved */
96 #define PCI_INTERRUPT_LINE 0x3c /* 8 bits */
97 #define PCI_INTERRUPT_PIN 0x3d /* 8 bits */
98 #define PCI_MIN_GNT 0x3e /* 8 bits */
99 #define PCI_MAX_LAT 0x3f /* 8 bits */
101 /* Header type 1 (PCI-to-PCI bridges) */
102 #define PCI_PRIMARY_BUS 0x18 /* Primary bus number */
103 #define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */
104 #define PCI_SUBORDINATE_BUS 0x1a /* Highest bus number behind the bridge */
105 #define PCI_SEC_LATENCY_TIMER 0x1b /* Latency timer for secondary interface */
106 #define PCI_IO_BASE 0x1c /* I/O range behind the bridge */
107 #define PCI_IO_LIMIT 0x1d
108 #define PCI_IO_RANGE_TYPE_MASK 0x0f /* I/O bridging type */
109 #define PCI_IO_RANGE_TYPE_16 0x00
110 #define PCI_IO_RANGE_TYPE_32 0x01
111 #define PCI_IO_RANGE_MASK ~0x0f
112 #define PCI_SEC_STATUS 0x1e /* Secondary status register */
113 #define PCI_MEMORY_BASE 0x20 /* Memory range behind */
114 #define PCI_MEMORY_LIMIT 0x22
115 #define PCI_MEMORY_RANGE_TYPE_MASK 0x0f
116 #define PCI_MEMORY_RANGE_MASK ~0x0f
117 #define PCI_PREF_MEMORY_BASE 0x24 /* Prefetchable memory range behind */
118 #define PCI_PREF_MEMORY_LIMIT 0x26
119 #define PCI_PREF_RANGE_TYPE_MASK 0x0f
120 #define PCI_PREF_RANGE_TYPE_32 0x00
121 #define PCI_PREF_RANGE_TYPE_64 0x01
122 #define PCI_PREF_RANGE_MASK ~0x0f
123 #define PCI_PREF_BASE_UPPER32 0x28 /* Upper half of prefetchable memory range */
124 #define PCI_PREF_LIMIT_UPPER32 0x2c
125 #define PCI_IO_BASE_UPPER16 0x30 /* Upper half of I/O addresses */
126 #define PCI_IO_LIMIT_UPPER16 0x32
127 /* 0x34 same as for htype 0 */
128 /* 0x35-0x3b is reserved */
129 #define PCI_ROM_ADDRESS1 0x38 /* Same as PCI_ROM_ADDRESS, but for htype 1 */
130 /* 0x3c-0x3d are same as for htype 0 */
131 #define PCI_BRIDGE_CONTROL 0x3e
132 #define PCI_BRIDGE_CTL_PARITY 0x01 /* Enable parity detection on secondary interface */
133 #define PCI_BRIDGE_CTL_SERR 0x02 /* The same for SERR forwarding */
134 #define PCI_BRIDGE_CTL_NO_ISA 0x04 /* Disable bridging of ISA ports */
135 #define PCI_BRIDGE_CTL_VGA 0x08 /* Forward VGA addresses */
136 #define PCI_BRIDGE_CTL_MASTER_ABORT 0x20 /* Report master aborts */
137 #define PCI_BRIDGE_CTL_BUS_RESET 0x40 /* Secondary bus reset */
138 #define PCI_BRIDGE_CTL_FAST_BACK 0x80 /* Fast Back2Back enabled on secondary interface */
140 /* Header type 2 (CardBus bridges) */
141 /* 0x14-0x15 reserved */
142 #define PCI_CB_SEC_STATUS 0x16 /* Secondary status */
143 #define PCI_CB_PRIMARY_BUS 0x18 /* PCI bus number */
144 #define PCI_CB_CARD_BUS 0x19 /* CardBus bus number */
145 #define PCI_CB_SUBORDINATE_BUS 0x1a /* Subordinate bus number */
146 #define PCI_CB_LATENCY_TIMER 0x1b /* CardBus latency timer */
147 #define PCI_CB_MEMORY_BASE_0 0x1c
148 #define PCI_CB_MEMORY_LIMIT_0 0x20
149 #define PCI_CB_MEMORY_BASE_1 0x24
150 #define PCI_CB_MEMORY_LIMIT_1 0x28
151 #define PCI_CB_IO_BASE_0 0x2c
152 #define PCI_CB_IO_BASE_0_HI 0x2e
153 #define PCI_CB_IO_LIMIT_0 0x30
154 #define PCI_CB_IO_LIMIT_0_HI 0x32
155 #define PCI_CB_IO_BASE_1 0x34
156 #define PCI_CB_IO_BASE_1_HI 0x36
157 #define PCI_CB_IO_LIMIT_1 0x38
158 #define PCI_CB_IO_LIMIT_1_HI 0x3a
159 #define PCI_CB_IO_RANGE_MASK ~0x03
160 /* 0x3c-0x3d are same as for htype 0 */
161 #define PCI_CB_BRIDGE_CONTROL 0x3e
162 #define PCI_CB_BRIDGE_CTL_PARITY 0x01 /* Similar to standard bridge control register */
163 #define PCI_CB_BRIDGE_CTL_SERR 0x02
164 #define PCI_CB_BRIDGE_CTL_ISA 0x04
165 #define PCI_CB_BRIDGE_CTL_VGA 0x08
166 #define PCI_CB_BRIDGE_CTL_MASTER_ABORT 0x20
167 #define PCI_CB_BRIDGE_CTL_CB_RESET 0x40 /* CardBus reset */
168 #define PCI_CB_BRIDGE_CTL_16BIT_INT 0x80 /* Enable interrupt for 16-bit cards */
169 #define PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100 /* Prefetch enable for both memory regions */
170 #define PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200
171 #define PCI_CB_BRIDGE_CTL_POST_WRITES 0x400
172 #define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40
173 #define PCI_CB_SUBSYSTEM_ID 0x42
174 #define PCI_CB_LEGACY_MODE_BASE 0x44 /* 16-bit PC Card legacy mode base address (ExCa) */
175 /* 0x48-0x7f reserved */
177 /* Capability lists */
179 #define PCI_CAP_LIST_ID 0 /* Capability ID */
180 #define PCI_CAP_ID_PM 0x01 /* Power Management */
181 #define PCI_CAP_ID_AGP 0x02 /* Accelerated Graphics Port */
182 #define PCI_CAP_ID_VPD 0x03 /* Vital Product Data */
183 #define PCI_CAP_ID_SLOTID 0x04 /* Slot Identification */
184 #define PCI_CAP_ID_MSI 0x05 /* Message Signalled Interrupts */
185 #define PCI_CAP_ID_CHSWP 0x06 /* CompactPCI HotSwap */
186 #define PCI_CAP_ID_PCIX 0x07 /* PCI-X */
187 #define PCI_CAP_ID_HT 0x08 /* HyperTransport */
188 #define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */
189 #define PCI_CAP_FLAGS 2 /* Capability defined flags (16 bits) */
190 #define PCI_CAP_SIZEOF 4
192 /* Power Management Registers */
194 #define PCI_PM_CAP_VER_MASK 0x0007 /* Version (2=PM1.1) */
195 #define PCI_PM_CAP_PME_CLOCK 0x0008 /* Clock required for PME generation */
196 #define PCI_PM_CAP_DSI 0x0020 /* Device specific initialization required */
197 #define PCI_PM_CAP_AUX_C_MASK 0x01c0 /* Maximum aux current required in D3cold */
198 #define PCI_PM_CAP_D1 0x0200 /* D1 power state support */
199 #define PCI_PM_CAP_D2 0x0400 /* D2 power state support */
200 #define PCI_PM_CAP_PME_D0 0x0800 /* PME can be asserted from D0 */
201 #define PCI_PM_CAP_PME_D1 0x1000 /* PME can be asserted from D1 */
202 #define PCI_PM_CAP_PME_D2 0x2000 /* PME can be asserted from D2 */
203 #define PCI_PM_CAP_PME_D3_HOT 0x4000 /* PME can be asserted from D3hot */
204 #define PCI_PM_CAP_PME_D3_COLD 0x8000 /* PME can be asserted from D3cold */
205 #define PCI_PM_CTRL 4 /* PM control and status register */
206 #define PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to D3) */
207 #define PCI_PM_CTRL_PME_ENABLE 0x0100 /* PME pin enable */
208 #define PCI_PM_CTRL_DATA_SEL_MASK 0x1e00 /* PM table data index */
209 #define PCI_PM_CTRL_DATA_SCALE_MASK 0x6000 /* PM table data scaling factor */
210 #define PCI_PM_CTRL_PME_STATUS 0x8000 /* PME pin status */
211 #define PCI_PM_PPB_EXTENSIONS 6 /* PPB support extensions */
212 #define PCI_PM_PPB_B2_B3 0x40 /* If bridge enters D3hot, bus enters: 0=B3, 1=B2 */
213 #define PCI_PM_BPCC_ENABLE 0x80 /* Secondary bus is power managed */
214 #define PCI_PM_DATA_REGISTER 7 /* PM table contents read here */
215 #define PCI_PM_SIZEOF 8
219 #define PCI_AGP_VERSION 2 /* BCD version number */
220 #define PCI_AGP_RFU 3 /* Rest of capability flags */
221 #define PCI_AGP_STATUS 4 /* Status register */
222 #define PCI_AGP_STATUS_RQ_MASK 0xff000000 /* Maximum number of requests - 1 */
223 #define PCI_AGP_STATUS_ISOCH 0x10000 /* Isochronous transactions supported */
224 #define PCI_AGP_STATUS_ARQSZ_MASK 0xe000 /* log2(optimum async req size in bytes) - 4 */
225 #define PCI_AGP_STATUS_CAL_MASK 0x1c00 /* Calibration cycle timing */
226 #define PCI_AGP_STATUS_SBA 0x0200 /* Sideband addressing supported */
227 #define PCI_AGP_STATUS_ITA_COH 0x0100 /* In-aperture accesses always coherent */
228 #define PCI_AGP_STATUS_GART64 0x0080 /* 64-bit GART entries supported */
229 #define PCI_AGP_STATUS_HTRANS 0x0040 /* If 0, core logic can xlate host CPU accesses thru aperture */
230 #define PCI_AGP_STATUS_64BIT 0x0020 /* 64-bit addressing cycles supported */
231 #define PCI_AGP_STATUS_FW 0x0010 /* Fast write transfers supported */
232 #define PCI_AGP_STATUS_AGP3 0x0008 /* AGP3 mode supported */
233 #define PCI_AGP_STATUS_RATE4 0x0004 /* 4x transfer rate supported (RFU in AGP3 mode) */
234 #define PCI_AGP_STATUS_RATE2 0x0002 /* 2x transfer rate supported (8x in AGP3 mode) */
235 #define PCI_AGP_STATUS_RATE1 0x0001 /* 1x transfer rate supported (4x in AGP3 mode) */
236 #define PCI_AGP_COMMAND 8 /* Control register */
237 #define PCI_AGP_COMMAND_RQ_MASK 0xff000000 /* Master: Maximum number of requests */
238 #define PCI_AGP_COMMAND_ARQSZ_MASK 0xe000 /* log2(optimum async req size in bytes) - 4 */
239 #define PCI_AGP_COMMAND_CAL_MASK 0x1c00 /* Calibration cycle timing */
240 #define PCI_AGP_COMMAND_SBA 0x0200 /* Sideband addressing enabled */
241 #define PCI_AGP_COMMAND_AGP 0x0100 /* Allow processing of AGP transactions */
242 #define PCI_AGP_COMMAND_GART64 0x0080 /* 64-bit GART entries enabled */
243 #define PCI_AGP_COMMAND_64BIT 0x0020 /* Allow generation of 64-bit addr cycles */
244 #define PCI_AGP_COMMAND_FW 0x0010 /* Enable FW transfers */
245 #define PCI_AGP_COMMAND_RATE4 0x0004 /* Use 4x rate (RFU in AGP3 mode) */
246 #define PCI_AGP_COMMAND_RATE2 0x0002 /* Use 2x rate (8x in AGP3 mode) */
247 #define PCI_AGP_COMMAND_RATE1 0x0001 /* Use 1x rate (4x in AGP3 mode) */
248 #define PCI_AGP_SIZEOF 12
250 /* Slot Identification */
252 #define PCI_SID_ESR 2 /* Expansion Slot Register */
253 #define PCI_SID_ESR_NSLOTS 0x1f /* Number of expansion slots available */
254 #define PCI_SID_ESR_FIC 0x20 /* First In Chassis Flag */
255 #define PCI_SID_CHASSIS_NR 3 /* Chassis Number */
257 /* Message Signalled Interrupts registers */
259 #define PCI_MSI_FLAGS 2 /* Various flags */
260 #define PCI_MSI_FLAGS_64BIT 0x80 /* 64-bit addresses allowed */
261 #define PCI_MSI_FLAGS_QSIZE 0x70 /* Message queue size configured */
262 #define PCI_MSI_FLAGS_QMASK 0x0e /* Maximum queue size available */
263 #define PCI_MSI_FLAGS_ENABLE 0x01 /* MSI feature enabled */
264 #define PCI_MSI_RFU 3 /* Rest of capability flags */
265 #define PCI_MSI_ADDRESS_LO 4 /* Lower 32 bits */
266 #define PCI_MSI_ADDRESS_HI 8 /* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */
267 #define PCI_MSI_DATA_32 8 /* 16 bits of data for 32-bit devices */
268 #define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit devices */
271 #define PCI_PCIX_COMMAND 2 /* Command register offset */
272 #define PCI_PCIX_COMMAND_DPERE 0x0001 /* Data Parity Error Recover Enable */
273 #define PCI_PCIX_COMMAND_ERO 0x0002 /* Enable Relaxed Ordering */
274 #define PCI_PCIX_COMMAND_MAX_MEM_READ_BYTE_COUNT 0x000c /* Maximum Memory Read Byte Count */
275 #define PCI_PCIX_COMMAND_MAX_OUTSTANDING_SPLIT_TRANS 0x0070
276 #define PCI_PCIX_COMMAND_RESERVED 0xf80
277 #define PCI_PCIX_STATUS 4 /* Status register offset */
278 #define PCI_PCIX_STATUS_FUNCTION 0x00000007
279 #define PCI_PCIX_STATUS_DEVICE 0x000000f8
280 #define PCI_PCIX_STATUS_BUS 0x0000ff00
281 #define PCI_PCIX_STATUS_64BIT 0x00010000
282 #define PCI_PCIX_STATUS_133MHZ 0x00020000
283 #define PCI_PCIX_STATUS_SC_DISCARDED 0x00040000 /* Split Completion Discarded */
284 #define PCI_PCIX_STATUS_UNEXPECTED_SC 0x00080000 /* Unexpected Split Completion */
285 #define PCI_PCIX_STATUS_DEVICE_COMPLEXITY 0x00100000 /* 0 = simple device, 1 = bridge device */
286 #define PCI_PCIX_STATUS_DESIGNED_MAX_MEM_READ_BYTE_COUNT 0x00600000 /* 0 = 512 bytes, 1 = 1024, 2 = 2048, 3 = 4096 */
287 #define PCI_PCIX_STATUS_DESIGNED_MAX_OUTSTANDING_SPLIT_TRANS 0x03800000
288 #define PCI_PCIX_STATUS_DESIGNED_MAX_CUMULATIVE_READ_SIZE 0x1c000000
289 #define PCI_PCIX_STATUS_RCVD_SC_ERR_MESS 0x20000000 /* Received Split Completion Error Message */
290 #define PCI_PCIX_STATUS_RESERVED 0xc0000000
291 #define PCI_PCIX_SIZEOF 4
294 #define PCI_PCIX_BRIDGE_SEC_STATUS 2 /* Secondary bus status register offset */
295 #define PCI_PCIX_BRIDGE_SEC_STATUS_64BIT 0x0001
296 #define PCI_PCIX_BRIDGE_SEC_STATUS_133MHZ 0x0002
297 #define PCI_PCIX_BRIDGE_SEC_STATUS_SC_DISCARDED 0x0004 /* Split Completion Discarded on secondary bus */
298 #define PCI_PCIX_BRIDGE_SEC_STATUS_UNEXPECTED_SC 0x0008 /* Unexpected Split Completion on secondary bus */
299 #define PCI_PCIX_BRIDGE_SEC_STATUS_SC_OVERRUN 0x0010 /* Split Completion Overrun on secondary bus */
300 #define PCI_PCIX_BRIDGE_SEC_STATUS_SPLIT_REQUEST_DELAYED 0x0020
301 #define PCI_PCIX_BRIDGE_SEC_STATUS_CLOCK_FREQ 0x01c0
302 #define PCI_PCIX_BRIDGE_SEC_STATUS_RESERVED 0xfe00
303 #define PCI_PCIX_BRIDGE_STATUS 4 /* Primary bus status register offset */
304 #define PCI_PCIX_BRIDGE_STATUS_FUNCTION 0x00000007
305 #define PCI_PCIX_BRIDGE_STATUS_DEVICE 0x000000f8
306 #define PCI_PCIX_BRIDGE_STATUS_BUS 0x0000ff00
307 #define PCI_PCIX_BRIDGE_STATUS_64BIT 0x00010000
308 #define PCI_PCIX_BRIDGE_STATUS_133MHZ 0x00020000
309 #define PCI_PCIX_BRIDGE_STATUS_SC_DISCARDED 0x00040000 /* Split Completion Discarded */
310 #define PCI_PCIX_BRIDGE_STATUS_UNEXPECTED_SC 0x00080000 /* Unexpected Split Completion */
311 #define PCI_PCIX_BRIDGE_STATUS_SC_OVERRUN 0x00100000 /* Split Completion Overrun */
312 #define PCI_PCIX_BRIDGE_STATUS_SPLIT_REQUEST_DELAYED 0x00200000
313 #define PCI_PCIX_BRIDGE_STATUS_RESERVED 0xffc00000
314 #define PCI_PCIX_BRIDGE_UPSTREAM_SPLIT_TRANS_CTRL 8 /* Upstream Split Transaction Register offset */
315 #define PCI_PCIX_BRIDGE_DOWNSTREAM_SPLIT_TRANS_CTRL 12 /* Downstream Split Transaction Register offset */
316 #define PCI_PCIX_BRIDGE_STR_CAPACITY 0x0000ffff
317 #define PCI_PCIX_BRIDGE_STR_COMMITMENT_LIMIT 0xffff0000
318 #define PCI_PCIX_BRIDGE_SIZEOF 12
321 #define PCI_HT_CMD 2 /* Command Register */
322 #define PCI_HT_CMD_TYP_HI 0xe000 /* Capability Type high part */
323 #define PCI_HT_CMD_TYP_HI_PRI 0x0000 /* Slave or Primary Interface */
324 #define PCI_HT_CMD_TYP_HI_SEC 0x2000 /* Host or Secondary Interface */
325 #define PCI_HT_CMD_TYP 0xf800 /* Capability Type */
326 #define PCI_HT_CMD_TYP_SW 0x4000 /* Switch */
327 #define PCI_HT_CMD_TYP_IDC 0x8000 /* Interrupt Discovery and Configuration */
328 #define PCI_HT_CMD_TYP_RID 0x8800 /* Revision ID */
329 #define PCI_HT_CMD_TYP_UIDC 0x9000 /* UnitID Clumping */
330 #define PCI_HT_CMD_TYP_ECSA 0x9800 /* Extended Configuration Space Access */
331 #define PCI_HT_CMD_TYP_AM 0xa000 /* Address Mapping */
332 #define PCI_HT_CMD_TYP_MSIM 0xa800 /* MSI Mapping */
333 #define PCI_HT_CMD_TYP_DR 0xb000 /* DirectRoute */
334 #define PCI_HT_CMD_TYP_VCS 0xb800 /* VCSet */
335 #define PCI_HT_CMD_TYP_RM 0xc000 /* Retry Mode */
336 #define PCI_HT_CMD_TYP_X86 0xc800 /* X86 (reserved) */
338 /* Link Control Register */
339 #define PCI_HT_LCTR_CFLE 0x0002 /* CRC Flood Enable */
340 #define PCI_HT_LCTR_CST 0x0004 /* CRC Start Test */
341 #define PCI_HT_LCTR_CFE 0x0008 /* CRC Force Error */
342 #define PCI_HT_LCTR_LKFAIL 0x0010 /* Link Failure */
343 #define PCI_HT_LCTR_INIT 0x0020 /* Initialization Complete */
344 #define PCI_HT_LCTR_EOC 0x0040 /* End of Chain */
345 #define PCI_HT_LCTR_TXO 0x0080 /* Transmitter Off */
346 #define PCI_HT_LCTR_CRCERR 0x0f00 /* CRC Error */
347 #define PCI_HT_LCTR_ISOCEN 0x1000 /* Isochronous Flow Control Enable */
348 #define PCI_HT_LCTR_LSEN 0x2000 /* LDTSTOP# Tristate Enable */
349 #define PCI_HT_LCTR_EXTCTL 0x4000 /* Extended CTL Time */
350 #define PCI_HT_LCTR_64B 0x8000 /* 64-bit Addressing Enable */
352 /* Link Configuration Register */
353 #define PCI_HT_LCNF_MLWI 0x0007 /* Max Link Width In */
354 #define PCI_HT_LCNF_LW_8B 0x0 /* Link Width 8 bits */
355 #define PCI_HT_LCNF_LW_16B 0x1 /* Link Width 16 bits */
356 #define PCI_HT_LCNF_LW_32B 0x3 /* Link Width 32 bits */
357 #define PCI_HT_LCNF_LW_2B 0x4 /* Link Width 2 bits */
358 #define PCI_HT_LCNF_LW_4B 0x5 /* Link Width 4 bits */
359 #define PCI_HT_LCNF_LW_NC 0x7 /* Link physically not connected */
360 #define PCI_HT_LCNF_DFI 0x0008 /* Doubleword Flow Control In */
361 #define PCI_HT_LCNF_MLWO 0x0070 /* Max Link Width Out */
362 #define PCI_HT_LCNF_DFO 0x0080 /* Doubleword Flow Control Out */
363 #define PCI_HT_LCNF_LWI 0x0700 /* Link Width In */
364 #define PCI_HT_LCNF_DFIE 0x0800 /* Doubleword Flow Control In Enable */
365 #define PCI_HT_LCNF_LWO 0x7000 /* Link Width Out */
366 #define PCI_HT_LCNF_DFOE 0x8000 /* Doubleword Flow Control Out Enable */
368 /* Revision ID Register */
369 #define PCI_HT_RID_MIN 0x1f /* Minor Revision */
370 #define PCI_HT_RID_MAJ 0xe0 /* Major Revision */
372 /* Link Frequency/Error Register */
373 #define PCI_HT_LFRER_FREQ 0x0f /* Transmitter Clock Frequency */
374 #define PCI_HT_LFRER_200 0x00 /* 200MHz */
375 #define PCI_HT_LFRER_300 0x01 /* 300MHz */
376 #define PCI_HT_LFRER_400 0x02 /* 400MHz */
377 #define PCI_HT_LFRER_500 0x03 /* 500MHz */
378 #define PCI_HT_LFRER_600 0x04 /* 600MHz */
379 #define PCI_HT_LFRER_800 0x05 /* 800MHz */
380 #define PCI_HT_LFRER_1000 0x06 /* 1.0GHz */
381 #define PCI_HT_LFRER_1200 0x07 /* 1.2GHz */
382 #define PCI_HT_LFRER_1400 0x08 /* 1.4GHz */
383 #define PCI_HT_LFRER_1600 0x09 /* 1.6GHz */
384 #define PCI_HT_LFRER_VEND 0x0f /* Vendor-Specific */
385 #define PCI_HT_LFRER_ERR 0xf0 /* Link Error */
386 #define PCI_HT_LFRER_PROT 0x10 /* Protocol Error */
387 #define PCI_HT_LFRER_OV 0x20 /* Overflow Error */
388 #define PCI_HT_LFRER_EOC 0x40 /* End of Chain Error */
389 #define PCI_HT_LFRER_CTLT 0x80 /* CTL Timeout */
391 /* Link Frequency Capability Register */
392 #define PCI_HT_LFCAP_200 0x0001 /* 200MHz */
393 #define PCI_HT_LFCAP_300 0x0002 /* 300MHz */
394 #define PCI_HT_LFCAP_400 0x0004 /* 400MHz */
395 #define PCI_HT_LFCAP_500 0x0008 /* 500MHz */
396 #define PCI_HT_LFCAP_600 0x0010 /* 600MHz */
397 #define PCI_HT_LFCAP_800 0x0020 /* 800MHz */
398 #define PCI_HT_LFCAP_1000 0x0040 /* 1.0GHz */
399 #define PCI_HT_LFCAP_1200 0x0080 /* 1.2GHz */
400 #define PCI_HT_LFCAP_1400 0x0100 /* 1.4GHz */
401 #define PCI_HT_LFCAP_1600 0x0200 /* 1.6GHz */
402 #define PCI_HT_LFCAP_VEND 0x8000 /* Vendor-Specific */
404 /* Feature Register */
405 #define PCI_HT_FTR_ISOCFC 0x0001 /* Isochronous Flow Control Mode */
406 #define PCI_HT_FTR_LDTSTOP 0x0002 /* LDTSTOP# Supported */
407 #define PCI_HT_FTR_CRCTM 0x0004 /* CRC Test Mode */
408 #define PCI_HT_FTR_ECTLT 0x0008 /* Extended CTL Time Required */
409 #define PCI_HT_FTR_64BA 0x0010 /* 64-bit Addressing */
410 #define PCI_HT_FTR_UIDRD 0x0020 /* UnitID Reorder Disable */
412 /* Error Handling Register */
413 #define PCI_HT_EH_PFLE 0x0001 /* Protocol Error Flood Enable */
414 #define PCI_HT_EH_OFLE 0x0002 /* Overflow Error Flood Enable */
415 #define PCI_HT_EH_PFE 0x0004 /* Protocol Error Fatal Enable */
416 #define PCI_HT_EH_OFE 0x0008 /* Overflow Error Fatal Enable */
417 #define PCI_HT_EH_EOCFE 0x0010 /* End of Chain Error Fatal Enable */
418 #define PCI_HT_EH_RFE 0x0020 /* Response Error Fatal Enable */
419 #define PCI_HT_EH_CRCFE 0x0040 /* CRC Error Fatal Enable */
420 #define PCI_HT_EH_SERRFE 0x0080 /* System Error Fatal Enable (B */
421 #define PCI_HT_EH_CF 0x0100 /* Chain Fail */
422 #define PCI_HT_EH_RE 0x0200 /* Response Error */
423 #define PCI_HT_EH_PNFE 0x0400 /* Protocol Error Nonfatal Enable */
424 #define PCI_HT_EH_ONFE 0x0800 /* Overflow Error Nonfatal Enable */
425 #define PCI_HT_EH_EOCNFE 0x1000 /* End of Chain Error Nonfatal Enable */
426 #define PCI_HT_EH_RNFE 0x2000 /* Response Error Nonfatal Enable */
427 #define PCI_HT_EH_CRCNFE 0x4000 /* CRC Error Nonfatal Enable */
428 #define PCI_HT_EH_SERRNFE 0x8000 /* System Error Nonfatal Enable */
430 /* HyperTransport: Slave or Primary Interface */
431 #define PCI_HT_PRI_CMD 2 /* Command Register */
432 #define PCI_HT_PRI_CMD_BUID 0x001f /* Base UnitID */
433 #define PCI_HT_PRI_CMD_UC 0x03e0 /* Unit Count */
434 #define PCI_HT_PRI_CMD_MH 0x0400 /* Master Host */
435 #define PCI_HT_PRI_CMD_DD 0x0800 /* Default Direction */
436 #define PCI_HT_PRI_CMD_DUL 0x1000 /* Drop on Uninitialized Link */
438 #define PCI_HT_PRI_LCTR0 4 /* Link Control 0 Register */
439 #define PCI_HT_PRI_LCNF0 6 /* Link Config 0 Register */
440 #define PCI_HT_PRI_LCTR1 8 /* Link Control 1 Register */
441 #define PCI_HT_PRI_LCNF1 10 /* Link Config 1 Register */
442 #define PCI_HT_PRI_RID 12 /* Revision ID Register */
443 #define PCI_HT_PRI_LFRER0 13 /* Link Frequency/Error 0 Register */
444 #define PCI_HT_PRI_LFCAP0 14 /* Link Frequency Capability 0 Register */
445 #define PCI_HT_PRI_FTR 16 /* Feature Register */
446 #define PCI_HT_PRI_LFRER1 17 /* Link Frequency/Error 1 Register */
447 #define PCI_HT_PRI_LFCAP1 18 /* Link Frequency Capability 1 Register */
448 #define PCI_HT_PRI_ES 20 /* Enumeration Scratchpad Register */
449 #define PCI_HT_PRI_EH 22 /* Error Handling Register */
450 #define PCI_HT_PRI_MBU 24 /* Memory Base Upper Register */
451 #define PCI_HT_PRI_MLU 25 /* Memory Limit Upper Register */
452 #define PCI_HT_PRI_BN 26 /* Bus Number Register */
453 #define PCI_HT_PRI_SIZEOF 28
455 /* HyperTransport: Host or Secondary Interface */
456 #define PCI_HT_SEC_CMD 2 /* Command Register */
457 #define PCI_HT_SEC_CMD_WR 0x0001 /* Warm Reset */
458 #define PCI_HT_SEC_CMD_DE 0x0002 /* Double-Ended */
459 #define PCI_HT_SEC_CMD_DN 0x0076 /* Device Number */
460 #define PCI_HT_SEC_CMD_CS 0x0080 /* Chain Side */
461 #define PCI_HT_SEC_CMD_HH 0x0100 /* Host Hide */
462 #define PCI_HT_SEC_CMD_AS 0x0400 /* Act as Slave */
463 #define PCI_HT_SEC_CMD_HIECE 0x0800 /* Host Inbound End of Chain Error */
464 #define PCI_HT_SEC_CMD_DUL 0x1000 /* Drop on Uninitialized Link */
466 #define PCI_HT_SEC_LCTR 4 /* Link Control Register */
467 #define PCI_HT_SEC_LCNF 6 /* Link Config Register */
468 #define PCI_HT_SEC_RID 8 /* Revision ID Register */
469 #define PCI_HT_SEC_LFRER 9 /* Link Frequency/Error Register */
470 #define PCI_HT_SEC_LFCAP 10 /* Link Frequency Capability Register */
471 #define PCI_HT_SEC_FTR 12 /* Feature Register */
472 #define PCI_HT_SEC_FTR_EXTRS 0x0100 /* Extended Register Set */
473 #define PCI_HT_SEC_FTR_UCNFE 0x0200 /* Upstream Configuration Enable */
474 #define PCI_HT_SEC_ES 16 /* Enumeration Scratchpad Register */
475 #define PCI_HT_SEC_EH 18 /* Error Handling Register */
476 #define PCI_HT_SEC_MBU 20 /* Memory Base Upper Register */
477 #define PCI_HT_SEC_MLU 21 /* Memory Limit Upper Register */
478 #define PCI_HT_SEC_SIZEOF 24
480 /* HyperTransport: Switch */
481 #define PCI_HT_SW_CMD 2 /* Switch Command Register */
482 #define PCI_HT_SW_CMD_VIBERR 0x0080 /* VIB Error */
483 #define PCI_HT_SW_CMD_VIBFL 0x0100 /* VIB Flood */
484 #define PCI_HT_SW_CMD_VIBFT 0x0200 /* VIB Fatal */
485 #define PCI_HT_SW_CMD_VIBNFT 0x0400 /* VIB Nonfatal */
486 #define PCI_HT_SW_PMASK 4 /* Partition Mask Register */
487 #define PCI_HT_SW_SWINF 8 /* Switch Info Register */
488 #define PCI_HT_SW_SWINF_DP 0x0000001f /* Default Port */
489 #define PCI_HT_SW_SWINF_EN 0x00000020 /* Enable Decode */
490 #define PCI_HT_SW_SWINF_CR 0x00000040 /* Cold Reset */
491 #define PCI_HT_SW_SWINF_PCIDX 0x00000f00 /* Performance Counter Index */
492 #define PCI_HT_SW_SWINF_BLRIDX 0x0003f000 /* Base/Limit Range Index */
493 #define PCI_HT_SW_SWINF_SBIDX 0x00002000 /* Secondary Base Range Index */
494 #define PCI_HT_SW_SWINF_HP 0x00040000 /* Hot Plug */
495 #define PCI_HT_SW_SWINF_HIDE 0x00080000 /* Hide Port */
496 #define PCI_HT_SW_PCD 12 /* Performance Counter Data Register */
497 #define PCI_HT_SW_BLRD 16 /* Base/Limit Range Data Register */
498 #define PCI_HT_SW_SBD 20 /* Secondary Base Data Register */
499 #define PCI_HT_SW_SIZEOF 24
501 /* Counter indices */
502 #define PCI_HT_SW_PC_PCR 0x0 /* Posted Command Receive */
503 #define PCI_HT_SW_PC_NPCR 0x1 /* Nonposted Command Receive */
504 #define PCI_HT_SW_PC_RCR 0x2 /* Response Command Receive */
505 #define PCI_HT_SW_PC_PDWR 0x3 /* Posted DW Receive */
506 #define PCI_HT_SW_PC_NPDWR 0x4 /* Nonposted DW Receive */
507 #define PCI_HT_SW_PC_RDWR 0x5 /* Response DW Receive */
508 #define PCI_HT_SW_PC_PCT 0x6 /* Posted Command Transmit */
509 #define PCI_HT_SW_PC_NPCT 0x7 /* Nonposted Command Transmit */
510 #define PCI_HT_SW_PC_RCT 0x8 /* Response Command Transmit */
511 #define PCI_HT_SW_PC_PDWT 0x9 /* Posted DW Transmit */
512 #define PCI_HT_SW_PC_NPDWT 0xa /* Nonposted DW Transmit */
513 #define PCI_HT_SW_PC_RDWT 0xb /* Response DW Transmit */
515 /* Base/Limit Range indices */
516 #define PCI_HT_SW_BLR_BASE0_LO 0x0 /* Base 0[31:1], Enable */
517 #define PCI_HT_SW_BLR_BASE0_HI 0x1 /* Base 0 Upper */
518 #define PCI_HT_SW_BLR_LIM0_LO 0x2 /* Limit 0 Lower */
519 #define PCI_HT_SW_BLR_LIM0_HI 0x3 /* Limit 0 Upper */
521 /* Secondary Base indices */
522 #define PCI_HT_SW_SB_LO 0x0 /* Secondary Base[31:1], Enable */
523 #define PCI_HT_SW_S0_HI 0x1 /* Secondary Base Upper */
525 /* HyperTransport: Interrupt Discovery and Configuration */
526 #define PCI_HT_IDC_IDX 2 /* Index Register */
527 #define PCI_HT_IDC_DATA 4 /* Data Register */
528 #define PCI_HT_IDC_SIZEOF 8
530 /* Register indices */
531 #define PCI_HT_IDC_IDX_LINT 0x01 /* Last Interrupt Register */
532 #define PCI_HT_IDC_LINT 0x00ff0000 /* Last interrupt definition */
533 #define PCI_HT_IDC_IDX_IDR 0x10 /* Interrupt Definition Registers */
534 /* Low part (at index) */
535 #define PCI_HT_IDC_IDR_MASK 0x10000001 /* Mask */
536 #define PCI_HT_IDC_IDR_POL 0x10000002 /* Polarity */
537 #define PCI_HT_IDC_IDR_II_2 0x1000001c /* IntrInfo[4:2]: Message Type */
538 #define PCI_HT_IDC_IDR_II_5 0x10000020 /* IntrInfo[5]: Request EOI */
539 #define PCI_HT_IDC_IDR_II_6 0x00ffffc0 /* IntrInfo[23:6] */
540 #define PCI_HT_IDC_IDR_II_24 0xff000000 /* IntrInfo[31:24] */
541 /* High part (at index + 1) */
542 #define PCI_HT_IDC_IDR_II_32 0x00ffffff /* IntrInfo[55:32] */
543 #define PCI_HT_IDC_IDR_PASSPW 0x40000000 /* PassPW setting for messages */
544 #define PCI_HT_IDC_IDR_WEOI 0x80000000 /* Waiting for EOI */
546 /* HyperTransport: Revision ID */
547 #define PCI_HT_RID_RID 2 /* Revision Register */
548 #define PCI_HT_RID_SIZEOF 4
550 /* HyperTransport: UnitID Clumping */
551 #define PCI_HT_UIDC_CS 4 /* Clumping Support Register */
552 #define PCI_HT_UIDC_CE 8 /* Clumping Enable Register */
553 #define PCI_HT_UIDC_SIZEOF 12
555 /* HyperTransport: Extended Configuration Space Access */
556 #define PCI_HT_ECSA_ADDR 4 /* Configuration Address Register */
557 #define PCI_HT_ECSA_ADDR_REG 0x00000ffc /* Register */
558 #define PCI_HT_ECSA_ADDR_FUN 0x00007000 /* Function */
559 #define PCI_HT_ECSA_ADDR_DEV 0x000f1000 /* Device */
560 #define PCI_HT_ECSA_ADDR_BUS 0x0ff00000 /* Bus Number */
561 #define PCI_HT_ECSA_ADDR_TYPE 0x10000000 /* Access Type */
562 #define PCI_HT_ECSA_DATA 8 /* Configuration Data Register */
563 #define PCI_HT_ECSA_SIZEOF 12
565 /* HyperTransport: Address Mapping */
566 #define PCI_HT_AM_CMD 2 /* Command Register */
567 #define PCI_HT_AM_CMD_NDMA 0x000f /* Number of DMA Mappings */
568 #define PCI_HT_AM_CMD_IOSIZ 0x01f0 /* I/O Size */
569 #define PCI_HT_AM_CMD_MT 0x0600 /* Map Type */
570 #define PCI_HT_AM_CMD_MT_40B 0x0000 /* 40-bit */
571 #define PCI_HT_AM_CMD_MT_64B 0x0200 /* 64-bit */
573 /* Window Control Register bits */
574 #define PCI_HT_AM_SBW_CTR_COMP 0x1 /* Compat */
575 #define PCI_HT_AM_SBW_CTR_NCOH 0x2 /* NonCoherent */
576 #define PCI_HT_AM_SBW_CTR_ISOC 0x4 /* Isochronous */
577 #define PCI_HT_AM_SBW_CTR_EN 0x8 /* Enable */
579 /* HyperTransport: 40-bit Address Mapping */
580 #define PCI_HT_AM40_SBNPW 4 /* Secondary Bus Non-Prefetchable Window Register */
581 #define PCI_HT_AM40_SBW_BASE 0x000fffff /* Window Base */
582 #define PCI_HT_AM40_SBW_CTR 0xf0000000 /* Window Control */
583 #define PCI_HT_AM40_SBPW 8 /* Secondary Bus Prefetchable Window Register */
584 #define PCI_HT_AM40_DMA_PBASE0 12 /* DMA Window Primary Base 0 Register */
585 #define PCI_HT_AM40_DMA_CTR0 15 /* DMA Window Control 0 Register */
586 #define PCI_HT_AM40_DMA_CTR_CTR 0xf0 /* Window Control */
587 #define PCI_HT_AM40_DMA_SLIM0 16 /* DMA Window Secondary Limit 0 Register */
588 #define PCI_HT_AM40_DMA_SBASE0 18 /* DMA Window Secondary Base 0 Register */
589 #define PCI_HT_AM40_SIZEOF 12 /* size is variable: 12 + 8 * NDMA */
591 /* HyperTransport: 64-bit Address Mapping */
592 #define PCI_HT_AM64_IDX 4 /* Index Register */
593 #define PCI_HT_AM64_DATA_LO 8 /* Data Lower Register */
594 #define PCI_HT_AM64_DATA_HI 12 /* Data Upper Register */
595 #define PCI_HT_AM64_SIZEOF 16
597 /* Register indices */
598 #define PCI_HT_AM64_IDX_SBNPW 0x00 /* Secondary Bus Non-Prefetchable Window Register */
599 #define PCI_HT_AM64_W_BASE_LO 0xfff00000 /* Window Base Lower */
600 #define PCI_HT_AM64_W_CTR 0x0000000f /* Window Control */
601 #define PCI_HT_AM64_IDX_SBPW 0x01 /* Secondary Bus Prefetchable Window Register */
602 #define PCI_HT_AM64_IDX_PBNPW 0x02 /* Primary Bus Non-Prefetchable Window Register */
603 #define PCI_HT_AM64_IDX_DMAPB0 0x04 /* DMA Window Primary Base 0 Register */
604 #define PCI_HT_AM64_IDX_DMASB0 0x05 /* DMA Window Secondary Base 0 Register */
605 #define PCI_HT_AM64_IDX_DMASL0 0x06 /* DMA Window Secondary Limit 0 Register */
607 /* HyperTransport: MSI Mapping */
608 #define PCI_HT_MSIM_CMD 2 /* Command Register */
609 #define PCI_HT_MSIM_CMD_EN 0x0001 /* Mapping Active */
610 #define PCI_HT_MSIM_CMD_FIXD 0x0002 /* MSI Mapping Address Fixed */
611 #define PCI_HT_MSIM_ADDR_LO 4 /* MSI Mapping Address Lower Register */
612 #define PCI_HT_MSIM_ADDR_HI 8 /* MSI Mapping Address Upper Register */
613 #define PCI_HT_MSIM_SIZEOF 12
615 /* HyperTransport: DirectRoute */
616 #define PCI_HT_DR_CMD 2 /* Command Register */
617 #define PCI_HT_DR_CMD_NDRS 0x000f /* Number of DirectRoute Spaces */
618 #define PCI_HT_DR_CMD_IDX 0x01f0 /* Index */
619 #define PCI_HT_DR_EN 4 /* Enable Vector Register */
620 #define PCI_HT_DR_DATA 8 /* Data Register */
621 #define PCI_HT_DR_SIZEOF 12
623 /* Register indices */
624 #define PCI_HT_DR_IDX_BASE_LO 0x00 /* DirectRoute Base Lower Register */
625 #define PCI_HT_DR_OTNRD 0x00000001 /* Opposite to Normal Request Direction */
626 #define PCI_HT_DR_BL_LO 0xffffff00 /* Base/Limit Lower */
627 #define PCI_HT_DR_IDX_BASE_HI 0x01 /* DirectRoute Base Upper Register */
628 #define PCI_HT_DR_IDX_LIMIT_LO 0x02 /* DirectRoute Limit Lower Register */
629 #define PCI_HT_DR_IDX_LIMIT_HI 0x03 /* DirectRoute Limit Upper Register */
631 /* HyperTransport: VCSet */
632 #define PCI_HT_VCS_SUP 4 /* VCSets Supported Register */
633 #define PCI_HT_VCS_L1EN 5 /* Link 1 VCSets Enabled Register */
634 #define PCI_HT_VCS_L0EN 6 /* Link 0 VCSets Enabled Register */
635 #define PCI_HT_VCS_SBD 8 /* Stream Bucket Depth Register */
636 #define PCI_HT_VCS_SINT 9 /* Stream Interval Register */
637 #define PCI_HT_VCS_SSUP 10 /* Number of Streaming VCs Supported Register */
638 #define PCI_HT_VCS_SSUP_0 0x00 /* Streaming VC 0 */
639 #define PCI_HT_VCS_SSUP_3 0x01 /* Streaming VCs 0-3 */
640 #define PCI_HT_VCS_SSUP_15 0x02 /* Streaming VCs 0-15 */
641 #define PCI_HT_VCS_NFCBD 12 /* Non-FC Bucket Depth Register */
642 #define PCI_HT_VCS_NFCINT 13 /* Non-FC Bucket Interval Register */
643 #define PCI_HT_VCS_SIZEOF 16
645 /* HyperTransport: Retry Mode */
646 #define PCI_HT_RM_CTR0 4 /* Control 0 Register */
647 #define PCI_HT_RM_CTR_LRETEN 0x01 /* Link Retry Enable */
648 #define PCI_HT_RM_CTR_FSER 0x02 /* Force Single Error */
649 #define PCI_HT_RM_CTR_ROLNEN 0x04 /* Rollover Nonfatal Enable */
650 #define PCI_HT_RM_CTR_FSS 0x08 /* Force Single Stomp */
651 #define PCI_HT_RM_CTR_RETNEN 0x10 /* Retry Nonfatal Enable */
652 #define PCI_HT_RM_CTR_RETFEN 0x20 /* Retry Fatal Enable */
653 #define PCI_HT_RM_CTR_AA 0xc0 /* Allowed Attempts */
654 #define PCI_HT_RM_STS0 5 /* Status 0 Register */
655 #define PCI_HT_RM_STS_RETSNT 0x01 /* Retry Sent */
656 #define PCI_HT_RM_STS_CNTROL 0x02 /* Count Rollover */
657 #define PCI_HT_RM_STS_SRCV 0x04 /* Stomp Received */
658 #define PCI_HT_RM_CTR1 6 /* Control 1 Register */
659 #define PCI_HT_RM_STS1 7 /* Status 1 Register */
660 #define PCI_HT_RM_CNT0 8 /* Retry Count 0 Register */
661 #define PCI_HT_RM_CNT1 10 /* Retry Count 1 Register */
662 #define PCI_HT_RM_SIZEOF 12
665 * The PCI interface treats multi-function devices as independent
666 * devices. The slot/function address of each device is encoded
667 * in a single byte as follows:
672 #define PCI_DEVFN(slot,func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
673 #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
674 #define PCI_FUNC(devfn) ((devfn) & 0x07)
676 /* Device classes and subclasses */
678 #define PCI_CLASS_NOT_DEFINED 0x0000
679 #define PCI_CLASS_NOT_DEFINED_VGA 0x0001
681 #define PCI_BASE_CLASS_STORAGE 0x01
682 #define PCI_CLASS_STORAGE_SCSI 0x0100
683 #define PCI_CLASS_STORAGE_IDE 0x0101
684 #define PCI_CLASS_STORAGE_FLOPPY 0x0102
685 #define PCI_CLASS_STORAGE_IPI 0x0103
686 #define PCI_CLASS_STORAGE_RAID 0x0104
687 #define PCI_CLASS_STORAGE_OTHER 0x0180
689 #define PCI_BASE_CLASS_NETWORK 0x02
690 #define PCI_CLASS_NETWORK_ETHERNET 0x0200
691 #define PCI_CLASS_NETWORK_TOKEN_RING 0x0201
692 #define PCI_CLASS_NETWORK_FDDI 0x0202
693 #define PCI_CLASS_NETWORK_ATM 0x0203
694 #define PCI_CLASS_NETWORK_OTHER 0x0280
696 #define PCI_BASE_CLASS_DISPLAY 0x03
697 #define PCI_CLASS_DISPLAY_VGA 0x0300
698 #define PCI_CLASS_DISPLAY_XGA 0x0301
699 #define PCI_CLASS_DISPLAY_OTHER 0x0380
701 #define PCI_BASE_CLASS_MULTIMEDIA 0x04
702 #define PCI_CLASS_MULTIMEDIA_VIDEO 0x0400
703 #define PCI_CLASS_MULTIMEDIA_AUDIO 0x0401
704 #define PCI_CLASS_MULTIMEDIA_OTHER 0x0480
706 #define PCI_BASE_CLASS_MEMORY 0x05
707 #define PCI_CLASS_MEMORY_RAM 0x0500
708 #define PCI_CLASS_MEMORY_FLASH 0x0501
709 #define PCI_CLASS_MEMORY_OTHER 0x0580
711 #define PCI_BASE_CLASS_BRIDGE 0x06
712 #define PCI_CLASS_BRIDGE_HOST 0x0600
713 #define PCI_CLASS_BRIDGE_ISA 0x0601
714 #define PCI_CLASS_BRIDGE_EISA 0x0602
715 #define PCI_CLASS_BRIDGE_MC 0x0603
716 #define PCI_CLASS_BRIDGE_PCI 0x0604
717 #define PCI_CLASS_BRIDGE_PCMCIA 0x0605
718 #define PCI_CLASS_BRIDGE_NUBUS 0x0606
719 #define PCI_CLASS_BRIDGE_CARDBUS 0x0607
720 #define PCI_CLASS_BRIDGE_OTHER 0x0680
722 #define PCI_BASE_CLASS_COMMUNICATION 0x07
723 #define PCI_CLASS_COMMUNICATION_SERIAL 0x0700
724 #define PCI_CLASS_COMMUNICATION_PARALLEL 0x0701
725 #define PCI_CLASS_COMMUNICATION_OTHER 0x0780
727 #define PCI_BASE_CLASS_SYSTEM 0x08
728 #define PCI_CLASS_SYSTEM_PIC 0x0800
729 #define PCI_CLASS_SYSTEM_DMA 0x0801
730 #define PCI_CLASS_SYSTEM_TIMER 0x0802
731 #define PCI_CLASS_SYSTEM_RTC 0x0803
732 #define PCI_CLASS_SYSTEM_OTHER 0x0880
734 #define PCI_BASE_CLASS_INPUT 0x09
735 #define PCI_CLASS_INPUT_KEYBOARD 0x0900
736 #define PCI_CLASS_INPUT_PEN 0x0901
737 #define PCI_CLASS_INPUT_MOUSE 0x0902
738 #define PCI_CLASS_INPUT_OTHER 0x0980
740 #define PCI_BASE_CLASS_DOCKING 0x0a
741 #define PCI_CLASS_DOCKING_GENERIC 0x0a00
742 #define PCI_CLASS_DOCKING_OTHER 0x0a01
744 #define PCI_BASE_CLASS_PROCESSOR 0x0b
745 #define PCI_CLASS_PROCESSOR_386 0x0b00
746 #define PCI_CLASS_PROCESSOR_486 0x0b01
747 #define PCI_CLASS_PROCESSOR_PENTIUM 0x0b02
748 #define PCI_CLASS_PROCESSOR_ALPHA 0x0b10
749 #define PCI_CLASS_PROCESSOR_POWERPC 0x0b20
750 #define PCI_CLASS_PROCESSOR_CO 0x0b40
752 #define PCI_BASE_CLASS_SERIAL 0x0c
753 #define PCI_CLASS_SERIAL_FIREWIRE 0x0c00
754 #define PCI_CLASS_SERIAL_ACCESS 0x0c01
755 #define PCI_CLASS_SERIAL_SSA 0x0c02
756 #define PCI_CLASS_SERIAL_USB 0x0c03
757 #define PCI_CLASS_SERIAL_FIBER 0x0c04
759 #define PCI_CLASS_OTHERS 0xff
761 /* Several ID's we need in the library */
763 #define PCI_VENDOR_ID_INTEL 0x8086
764 #define PCI_VENDOR_ID_COMPAQ 0x0e11
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