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1 /*
2 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22 /*
23 * Copyright (c) 1998-1999 by Apple Computer, Inc., All rights reserved.
24 *
25 * MII protocol and PHY register definitions.
26 *
27 * HISTORY
28 *
29 */
30
31 #ifndef _BMACENETMII_H
32 #define _BMACENETMII_H
33
34 /*
35 * MII command frame (32-bits) as documented in IEEE 802.3u
36 */
37
38 // _BIG_ENDIAN is already defined for PPC
39 //
40 #if 0
41 #ifdef __PPC__
42 #define _BIG_ENDIAN
43 #endif
44 #endif /* 0 */
45
46 typedef union {
47 unsigned int data;
48 #ifdef _BIG_ENDIAN
49 struct {
50 unsigned int
51 st:2, // start of frame
52 #define MII_ST 0x01
53 op:2, // operation code
54 #define MII_OP_READ 0x02
55 #define MII_OP_WRITE 0x01
56 phyad:5, // PHY address
57 regad:5, // register address
58 ta:2, // turnaround
59 data:16; // 16-bit data field
60 } bit;
61 #else _BIG_ENDIAN
62 struct {
63 unsigned int
64 data:16, // 16-bit data field
65 ta:2, // turnaround
66 regad:5, // register address
67 phyad:5, // PHY address
68 op:2, // operation code
69 st:2; // start of frame
70 } bit;
71 #endif _BIG_ENDIAN
72 } miiFrameUnion;
73
74 #define MII_FRAME_PREAMBLE 0xFFFFFFFF
75 #define MII_FRAME_SIZE 32
76 #define MII_FRAME_READ 0x60000000
77 #define MII_FRAME_WRITE 0x50020000
78
79 #define MII_MAX_PHY 32
80
81 /* MII Registers */
82 #define MII_CONTROL 0
83 #define MII_STATUS 1
84 #define MII_ID0 2
85 #define MII_ID1 3
86 #define MII_ADVERTISEMENT 4
87 #define MII_LINKPARTNER 5
88 #define MII_EXPANSION 6
89 #define MII_NEXTPAGE 7
90
91 /* MII Control register bits */
92 #define MII_CONTROL_RESET 0x8000
93 #define MII_CONTROL_LOOPBACK 0x4000
94 #define MII_CONTROL_SPEED_SELECTION 0x2000
95 #define MII_CONTROL_AUTONEGOTIATION 0x1000
96 #define MII_CONTROL_POWERDOWN 0x800
97 #define MII_CONTROL_ISOLATE 0x400
98 #define MII_CONTROL_RESTART_NEGOTIATION 0x200
99 #define MII_CONTROL_FULLDUPLEX 0x100
100 #define MII_CONTROL_COLLISION_TEST 0x80
101
102 /* MII Status register bits */
103 #define MII_STATUS_100BASET4 0x8000
104 #define MII_STATUS_100BASETX_FD 0x4000
105 #define MII_STATUS_100BASETX 0x2000
106 #define MII_STATUS_10BASET_FD 0x1000
107 #define MII_STATUS_10BASET 0x800
108 #define MII_STATUS_NEGOTIATION_COMPLETE 0x20
109 #define MII_STATUS_REMOTE_FAULT 0x10
110 #define MII_STATUS_NEGOTIATION_ABILITY 0x8
111 #define MII_STATUS_LINK_STATUS 0x4
112 #define MII_STATUS_JABBER_DETECT 0x2
113 #define MII_STATUS_EXTENDED_CAPABILITY 0x1
114
115 /* MII ANAR register bits */
116 #define MII_ANAR_100BASET4 0x200
117 #define MII_ANAR_100BASETX_FD 0x100
118 #define MII_ANAR_100BASETX 0x80
119 #define MII_ANAR_10BASET_FD 0x40
120 #define MII_ANAR_10BASET 0x20
121
122 /* MII ST10040 Specific */
123
124 /* MII ST10040 ID */
125 #define MII_ST10040_OUI 0x1e0400
126 #define MII_ST10040_MODEL 0x00
127 #define MII_ST10040_REV 0x01
128 #define MII_ST10040_ID ((MII_ST10040_OUI << 10) | \
129 (MII_ST10040_MODEL << 4))
130 #define MII_ST10040_MASK 0xfffffff0
131
132 #define MII_ST10040_DELAY 1
133
134 /* MII ST10040 Regs */
135 #define MII_ST10040_CHIPST 0x14
136
137 /* MII ST10040 CHIPST register bits */
138 #define MII_ST10040_CHIPST_LINK 0x2000
139 #define MII_ST10040_CHIPST_DUPLEX 0x1000
140 #define MII_ST10040_CHIPST_SPEED 0x0800
141 #define MII_ST10040_CHIPST_NEGOTIATION 0x0020
142
143 /* MII DP83843 Specific */
144
145 /* MII DP83843 ID */
146 #define MII_DP83843_OUI 0x080017
147 #define MII_DP83843_MODEL 0x01
148 #define MII_DP83843_REV 0x00
149 #define MII_DP83843_ID ((MII_DP83843_OUI << 10) | \
150 (MII_DP83843_MODEL << 4))
151 #define MII_DP83843_MASK 0xfffffff0
152
153 #define MII_DP83843_DELAY 20
154
155 /* MII DP83843 PHYSTS register bits */
156 #define MII_DP83843_PHYSTS 0x10
157 #define MII_DP83843_PHYSTS_LINK 0x0001
158 #define MII_DP83843_PHYSTS_SPEED10 0x0002
159 #define MII_DP83843_PHYSTS_DUPLEX 0x0004
160 #define MII_DP83843_PHYSTS_NEGOTIATION 0x0020
161
162
163 /* MII timeout */
164 #define MII_DEFAULT_DELAY 20
165 #define MII_RESET_TIMEOUT 100
166 #define MII_RESET_DELAY 10
167
168 #define MII_LINK_TIMEOUT 2500
169 #define MII_LINK_DELAY 20
170
171 #endif /* _BMACENETMII_H */