xref: /openbmc/qemu/include/hw/net/mii.h (revision 0f550c5c)
1 /*
2  * Common network MII address and register definitions.
3  *
4  * Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
5  *
6  * Allwinner EMAC register definitions from Linux kernel are:
7  *   Copyright 2012 Stefan Roese <sr@denx.de>
8  *   Copyright 2013 Maxime Ripard <maxime.ripard@free-electrons.com>
9  *   Copyright 1997 Sten Wang
10  *
11  * This program is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU General Public License
13  * version 2 as published by the Free Software Foundation.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  */
21 #ifndef MII_H
22 #define MII_H
23 
24 /* PHY registers */
25 #define MII_BMCR            0  /* Basic mode control register */
26 #define MII_BMSR            1  /* Basic mode status register */
27 #define MII_PHYID1          2  /* ID register 1 */
28 #define MII_PHYID2          3  /* ID register 2 */
29 #define MII_ANAR            4  /* Autonegotiation advertisement */
30 #define MII_ANLPAR          5  /* Autonegotiation lnk partner abilities */
31 #define MII_ANER            6  /* Autonegotiation expansion */
32 #define MII_ANNP            7  /* Autonegotiation next page */
33 #define MII_ANLPRNP         8  /* Autonegotiation link partner rx next page */
34 #define MII_CTRL1000        9  /* 1000BASE-T control */
35 #define MII_STAT1000        10 /* 1000BASE-T status */
36 #define MII_MDDACR          13 /* MMD access control */
37 #define MII_MDDAADR         14 /* MMD access address data */
38 #define MII_EXTSTAT         15 /* Extended Status */
39 #define MII_NSR             16
40 #define MII_LBREMR          17
41 #define MII_REC             18
42 #define MII_SNRDR           19
43 #define MII_TEST            25
44 
45 /* PHY registers fields */
46 #define MII_BMCR_RESET      (1 << 15)
47 #define MII_BMCR_LOOPBACK   (1 << 14)
48 #define MII_BMCR_SPEED100   (1 << 13)  /* LSB of Speed (100) */
49 #define MII_BMCR_SPEED      MII_BMCR_SPEED100
50 #define MII_BMCR_AUTOEN     (1 << 12) /* Autonegotiation enable */
51 #define MII_BMCR_PDOWN      (1 << 11) /* Enable low power state */
52 #define MII_BMCR_ISOLATE    (1 << 10) /* Isolate data paths from MII */
53 #define MII_BMCR_ANRESTART  (1 << 9)  /* Auto negotiation restart */
54 #define MII_BMCR_FD         (1 << 8)  /* Set duplex mode */
55 #define MII_BMCR_CTST       (1 << 7)  /* Collision test */
56 #define MII_BMCR_SPEED1000  (1 << 6)  /* MSB of Speed (1000) */
57 
58 #define MII_BMSR_100TX_FD   (1 << 14) /* Can do 100mbps, full-duplex */
59 #define MII_BMSR_100TX_HD   (1 << 13) /* Can do 100mbps, half-duplex */
60 #define MII_BMSR_10T_FD     (1 << 12) /* Can do 10mbps, full-duplex */
61 #define MII_BMSR_10T_HD     (1 << 11) /* Can do 10mbps, half-duplex */
62 #define MII_BMSR_100T2_FD   (1 << 10) /* Can do 100mbps T2, full-duplex */
63 #define MII_BMSR_100T2_HD   (1 << 9)  /* Can do 100mbps T2, half-duplex */
64 #define MII_BMSR_EXTSTAT    (1 << 8)  /* Extended status in register 15 */
65 #define MII_BMSR_MFPS       (1 << 6)  /* MII Frame Preamble Suppression */
66 #define MII_BMSR_AN_COMP    (1 << 5)  /* Auto-negotiation complete */
67 #define MII_BMSR_RFAULT     (1 << 4)  /* Remote fault */
68 #define MII_BMSR_AUTONEG    (1 << 3)  /* Able to do auto-negotiation */
69 #define MII_BMSR_LINK_ST    (1 << 2)  /* Link status */
70 #define MII_BMSR_JABBER     (1 << 1)  /* Jabber detected */
71 #define MII_BMSR_EXTCAP     (1 << 0)  /* Ext-reg capability */
72 
73 #define MII_ANAR_PAUSE_ASYM (1 << 11) /* Try for asymetric pause */
74 #define MII_ANAR_PAUSE      (1 << 10) /* Try for pause */
75 #define MII_ANAR_TXFD       (1 << 8)
76 #define MII_ANAR_TX         (1 << 7)
77 #define MII_ANAR_10FD       (1 << 6)
78 #define MII_ANAR_10         (1 << 5)
79 #define MII_ANAR_CSMACD     (1 << 0)
80 
81 #define MII_ANLPAR_ACK      (1 << 14)
82 #define MII_ANLPAR_PAUSEASY (1 << 11) /* can pause asymmetrically */
83 #define MII_ANLPAR_PAUSE    (1 << 10) /* can pause */
84 #define MII_ANLPAR_TXFD     (1 << 8)
85 #define MII_ANLPAR_TX       (1 << 7)
86 #define MII_ANLPAR_10FD     (1 << 6)
87 #define MII_ANLPAR_10       (1 << 5)
88 #define MII_ANLPAR_CSMACD   (1 << 0)
89 
90 #define MII_ANER_NWAY       (1 << 0) /* Can do N-way auto-nego */
91 
92 #define MII_CTRL1000_FULL   (1 << 9)  /* 1000BASE-T full duplex */
93 #define MII_CTRL1000_HALF   (1 << 8)  /* 1000BASE-T half duplex */
94 
95 #define MII_STAT1000_FULL   (1 << 11) /* 1000BASE-T full duplex */
96 #define MII_STAT1000_HALF   (1 << 10) /* 1000BASE-T half duplex */
97 
98 /* List of vendor identifiers */
99 /* RealTek 8201 */
100 #define RTL8201CP_PHYID1    0x0000
101 #define RTL8201CP_PHYID2    0x8201
102 
103 /* RealTek 8211E */
104 #define RTL8211E_PHYID1     0x001c
105 #define RTL8211E_PHYID2     0xc915
106 
107 /* National Semiconductor DP83840 */
108 #define DP83840_PHYID1      0x2000
109 #define DP83840_PHYID2      0x5c01
110 
111 /* National Semiconductor DP83848 */
112 #define DP83848_PHYID1      0x2000
113 #define DP83848_PHYID2      0x5c90
114 
115 #endif /* MII_H */
116