1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * SMSC PHY drivers
4 *
5 * Base code from drivers/net/phy/davicom.c
6 * Copyright 2010-2011 Freescale Semiconductor, Inc.
7 * author Andy Fleming
8 *
9 * Some code copied from linux kernel
10 * Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
11 */
12 #include <common.h>
13 #include <miiphy.h>
14
15 /* This code does not check the partner abilities. */
smsc_parse_status(struct phy_device * phydev)16 static int smsc_parse_status(struct phy_device *phydev)
17 {
18 int mii_reg;
19
20 mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMSR);
21
22 if (mii_reg & (BMSR_100FULL | BMSR_100HALF))
23 phydev->speed = SPEED_100;
24 else
25 phydev->speed = SPEED_10;
26
27 if (mii_reg & (BMSR_10FULL | BMSR_100FULL))
28 phydev->duplex = DUPLEX_FULL;
29 else
30 phydev->duplex = DUPLEX_HALF;
31
32 return 0;
33 }
34
smsc_startup(struct phy_device * phydev)35 static int smsc_startup(struct phy_device *phydev)
36 {
37 int ret;
38
39 ret = genphy_update_link(phydev);
40 if (ret)
41 return ret;
42
43 return smsc_parse_status(phydev);
44 }
45
46 static struct phy_driver lan8700_driver = {
47 .name = "SMSC LAN8700",
48 .uid = 0x0007c0c0,
49 .mask = 0xffff0,
50 .features = PHY_BASIC_FEATURES,
51 .config = &genphy_config_aneg,
52 .startup = &smsc_startup,
53 .shutdown = &genphy_shutdown,
54 };
55
56 static struct phy_driver lan911x_driver = {
57 .name = "SMSC LAN911x Internal PHY",
58 .uid = 0x0007c0d0,
59 .mask = 0xffff0,
60 .features = PHY_BASIC_FEATURES,
61 .config = &genphy_config_aneg,
62 .startup = &smsc_startup,
63 .shutdown = &genphy_shutdown,
64 };
65
66 static struct phy_driver lan8710_driver = {
67 .name = "SMSC LAN8710/LAN8720",
68 .uid = 0x0007c0f0,
69 .mask = 0xffff0,
70 .features = PHY_BASIC_FEATURES,
71 .config = &genphy_config_aneg,
72 .startup = &genphy_startup,
73 .shutdown = &genphy_shutdown,
74 };
75
76 static struct phy_driver lan8740_driver = {
77 .name = "SMSC LAN8740",
78 .uid = 0x0007c110,
79 .mask = 0xffff0,
80 .features = PHY_BASIC_FEATURES,
81 .config = &genphy_config_aneg,
82 .startup = &genphy_startup,
83 .shutdown = &genphy_shutdown,
84 };
85
86 static struct phy_driver lan8741_driver = {
87 .name = "SMSC LAN8741",
88 .uid = 0x0007c120,
89 .mask = 0xffff0,
90 .features = PHY_BASIC_FEATURES,
91 .config = &genphy_config_aneg,
92 .startup = &genphy_startup,
93 .shutdown = &genphy_shutdown,
94 };
95
96 static struct phy_driver lan8742_driver = {
97 .name = "SMSC LAN8742",
98 .uid = 0x0007c130,
99 .mask = 0xffff0,
100 .features = PHY_BASIC_FEATURES,
101 .config = &genphy_config_aneg,
102 .startup = &genphy_startup,
103 .shutdown = &genphy_shutdown,
104 };
105
phy_smsc_init(void)106 int phy_smsc_init(void)
107 {
108 phy_register(&lan8710_driver);
109 phy_register(&lan911x_driver);
110 phy_register(&lan8700_driver);
111 phy_register(&lan8740_driver);
112 phy_register(&lan8741_driver);
113 phy_register(&lan8742_driver);
114
115 return 0;
116 }
117