pcireg.h revision 5543
1/*
2 * Copyright (c) 2001-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Nathan Binkert
29 *          Miguel Serrano
30 */
31
32/* @file
33 * Device register definitions for a device's PCI config space
34 */
35
36#ifndef __PCIREG_H__
37#define __PCIREG_H__
38
39#include <sys/types.h>
40
41union PCIConfig {
42    uint8_t data[64];
43
44    struct {
45        uint16_t vendor;
46        uint16_t device;
47        uint16_t command;
48        uint16_t status;
49        uint8_t revision;
50        uint8_t progIF;
51        uint8_t subClassCode;
52        uint8_t classCode;
53        uint8_t cacheLineSize;
54        uint8_t latencyTimer;
55        uint8_t headerType;
56        uint8_t bist;
57        uint32_t baseAddr[6];
58        uint32_t cardbusCIS;
59        uint16_t subsystemVendorID;
60        uint16_t subsystemID;
61        uint32_t expansionROM;
62        uint32_t reserved0;
63        uint32_t reserved1;
64        uint8_t interruptLine;
65        uint8_t interruptPin;
66        uint8_t minimumGrant;
67        uint8_t maximumLatency;
68    };
69};
70
71// Common PCI offsets
72#define PCI_VENDOR_ID           0x00    // Vendor ID                    ro
73#define PCI_DEVICE_ID           0x02    // Device ID                    ro
74#define PCI_COMMAND             0x04    // Command                      rw
75#define PCI_STATUS              0x06    // Status                       rw
76#define PCI_REVISION_ID         0x08    // Revision ID                  ro
77#define PCI_CLASS_CODE          0x09    // Class Code                   ro
78#define PCI_SUB_CLASS_CODE      0x0A    // Sub Class Code               ro
79#define PCI_BASE_CLASS_CODE     0x0B    // Base Class Code              ro
80#define PCI_CACHE_LINE_SIZE     0x0C    // Cache Line Size              ro+
81#define PCI_LATENCY_TIMER       0x0D    // Latency Timer                ro+
82#define PCI_HEADER_TYPE         0x0E    // Header Type                  ro
83#define PCI_BIST                0x0F    // Built in self test           rw
84
85// some pci command reg bitfields
86#define PCI_CMD_BME     0x04 // Bus master function enable
87#define PCI_CMD_MSE     0x02 // Memory Space Access enable
88#define PCI_CMD_IOSE    0x01 // I/O space enable
89
90// Type 0 PCI offsets
91#define PCI0_BASE_ADDR0         0x10    // Base Address 0               rw
92#define PCI0_BASE_ADDR1         0x14    // Base Address 1               rw
93#define PCI0_BASE_ADDR2         0x18    // Base Address 2               rw
94#define PCI0_BASE_ADDR3         0x1C    // Base Address 3               rw
95#define PCI0_BASE_ADDR4         0x20    // Base Address 4               rw
96#define PCI0_BASE_ADDR5         0x24    // Base Address 5               rw
97#define PCI0_CIS                0x28    // CardBus CIS Pointer          ro
98#define PCI0_SUB_VENDOR_ID      0x2C    // Sub-Vendor ID                ro
99#define PCI0_SUB_SYSTEM_ID      0x2E    // Sub-System ID                ro
100#define PCI0_ROM_BASE_ADDR      0x30    // Expansion ROM Base Address   rw
101#define PCI0_RESERVED0          0x34
102#define PCI0_RESERVED1          0x38
103#define PCI0_INTERRUPT_LINE     0x3C    // Interrupt Line               rw
104#define PCI0_INTERRUPT_PIN      0x3D    // Interrupt Pin                ro
105#define PCI0_MINIMUM_GRANT      0x3E    // Maximum Grant                ro
106#define PCI0_MAXIMUM_LATENCY    0x3F    // Maximum Latency              ro
107
108// Type 1 PCI offsets
109#define PCI1_BASE_ADDR0         0x10    // Base Address 0               rw
110#define PCI1_BASE_ADDR1         0x14    // Base Address 1               rw
111#define PCI1_PRI_BUS_NUM        0x18    // Primary Bus Number           rw
112#define PCI1_SEC_BUS_NUM        0x19    // Secondary Bus Number         rw
113#define PCI1_SUB_BUS_NUM        0x1A    // Subordinate Bus Number       rw
114#define PCI1_SEC_LAT_TIMER      0x1B    // Secondary Latency Timer      ro+
115#define PCI1_IO_BASE            0x1C    // I/O Base                     rw
116#define PCI1_IO_LIMIT           0x1D    // I/O Limit                    rw
117#define PCI1_SECONDARY_STATUS   0x1E    // Secondary Status             rw
118#define PCI1_MEM_BASE           0x20    // Memory Base                  rw
119#define PCI1_MEM_LIMIT          0x22    // Memory Limit                 rw
120#define PCI1_PRF_MEM_BASE       0x24    // Prefetchable Memory Base     rw
121#define PCI1_PRF_MEM_LIMIT      0x26    // Prefetchable Memory Limit    rw
122#define PCI1_PRF_BASE_UPPER     0x28    // Prefetchable Base Upper 32   rw
123#define PCI1_PRF_LIMIT_UPPER    0x2C    // Prefetchable Limit Upper 32  rw
124#define PCI1_IO_BASE_UPPER      0x30    // I/O Base Upper 16 bits       rw
125#define PCI1_IO_LIMIT_UPPER     0x32    // I/O Limit Upper 16 bits      rw
126#define PCI1_RESERVED           0x34    // Reserved                     ro
127#define PCI1_ROM_BASE_ADDR      0x38    // Expansion ROM Base Address   rw
128#define PCI1_INTR_LINE          0x3C    // Interrupt Line               rw
129#define PCI1_INTR_PIN           0x3D    // Interrupt Pin                ro
130#define PCI1_BRIDGE_CTRL        0x3E    // Bridge Control               rw
131
132// Device specific offsets
133#define PCI_DEVICE_SPECIFIC             0x40    // 192 bytes
134#define PCI_CONFIG_SIZE         0xFF
135
136// Some Vendor IDs
137#define PCI_VENDOR_DEC                  0x1011
138#define PCI_VENDOR_NCR                  0x101A
139#define PCI_VENDOR_QLOGIC               0x1077
140#define PCI_VENDOR_SIMOS                0x1291
141
142// Some Product IDs
143#define PCI_PRODUCT_DEC_PZA             0x0008
144#define PCI_PRODUCT_NCR_810             0x0001
145#define PCI_PRODUCT_QLOGIC_ISP1020      0x1020
146#define PCI_PRODUCT_SIMOS_SIMOS         0x1291
147#define PCI_PRODUCT_SIMOS_ETHER         0x1292
148
149#endif // __PCIREG_H__
150