1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* Aquantia PHY drivers
*
* SPDX-License-Identifier: GPL-2.0+
*
* Copyright 2014 Freescale Semiconductor, Inc.
*/
#include <config.h>
#include <common.h>
#include <phy.h>
#ifndef CONFIG_PHYLIB_10G
#error The Aquantia PHY needs 10G support
#endif
#define AQUNTIA_10G_CTL 0x20
#define AQUNTIA_VENDOR_P1 0xc400
#define AQUNTIA_SPEED_LSB_MASK 0x2000
#define AQUNTIA_SPEED_MSB_MASK 0x40
int aquantia_config(struct phy_device *phydev)
{
u32 val = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR);
if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
/* 1000BASE-T mode */
phydev->advertising = SUPPORTED_1000baseT_Full;
phydev->supported = phydev->advertising;
val = (val & ~AQUNTIA_SPEED_LSB_MASK) | AQUNTIA_SPEED_MSB_MASK;
phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, val);
} else if (phydev->interface == PHY_INTERFACE_MODE_XGMII) {
/* 10GBASE-T mode */
phydev->advertising = SUPPORTED_10000baseT_Full;
phydev->supported = phydev->advertising;
if (!(val & AQUNTIA_SPEED_LSB_MASK) ||
!(val & AQUNTIA_SPEED_MSB_MASK))
phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR,
AQUNTIA_SPEED_LSB_MASK |
AQUNTIA_SPEED_MSB_MASK);
} else if (phydev->interface == PHY_INTERFACE_MODE_SGMII_2500) {
/* 2.5GBASE-T mode */
phydev->advertising = SUPPORTED_1000baseT_Full;
phydev->supported = phydev->advertising;
phy_write(phydev, MDIO_MMD_AN, AQUNTIA_10G_CTL, 1);
phy_write(phydev, MDIO_MMD_AN, AQUNTIA_VENDOR_P1, 0x9440);
} else if (phydev->interface == PHY_INTERFACE_MODE_MII) {
/* 100BASE-TX mode */
phydev->advertising = SUPPORTED_100baseT_Full;
phydev->supported = phydev->advertising;
val = (val & ~AQUNTIA_SPEED_MSB_MASK) | AQUNTIA_SPEED_LSB_MASK;
phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, val);
}
return 0;
}
int aquantia_startup(struct phy_device *phydev)
{
u32 reg, speed;
int i = 0;
phydev->duplex = DUPLEX_FULL;
/* if the AN is still in progress, wait till timeout. */
phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1);
reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1);
if (!(reg & MDIO_AN_STAT1_COMPLETE)) {
printf("%s Waiting for PHY auto negotiation to complete",
phydev->dev->name);
do {
udelay(1000);
reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1);
if ((i++ % 500) == 0)
printf(".");
} while (!(reg & MDIO_AN_STAT1_COMPLETE) &&
i < (4 * PHY_ANEG_TIMEOUT));
if (i > PHY_ANEG_TIMEOUT)
printf(" TIMEOUT !\n");
}
/* Read twice because link state is latched and a
* read moves the current state into the register */
phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1);
reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1);
if (reg < 0 || !(reg & MDIO_STAT1_LSTATUS))
phydev->link = 0;
else
phydev->link = 1;
speed = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR);
if (speed & AQUNTIA_SPEED_MSB_MASK) {
if (speed & AQUNTIA_SPEED_LSB_MASK)
phydev->speed = SPEED_10000;
else
phydev->speed = SPEED_1000;
} else {
if (speed & AQUNTIA_SPEED_LSB_MASK)
phydev->speed = SPEED_100;
else
phydev->speed = SPEED_10;
}
return 0;
}
struct phy_driver aq1202_driver = {
.name = "Aquantia AQ1202",
.uid = 0x3a1b445,
.mask = 0xfffffff0,
.features = PHY_10G_FEATURES,
.mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
MDIO_MMD_PHYXS | MDIO_MMD_AN |
MDIO_MMD_VEND1),
.config = &aquantia_config,
.startup = &aquantia_startup,
.shutdown = &gen10g_shutdown,
};
struct phy_driver aq2104_driver = {
.name = "Aquantia AQ2104",
.uid = 0x3a1b460,
.mask = 0xfffffff0,
.features = PHY_10G_FEATURES,
.mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
MDIO_MMD_PHYXS | MDIO_MMD_AN |
MDIO_MMD_VEND1),
.config = &aquantia_config,
.startup = &aquantia_startup,
.shutdown = &gen10g_shutdown,
};
struct phy_driver aqr105_driver = {
.name = "Aquantia AQR105",
.uid = 0x3a1b4a2,
.mask = 0xfffffff0,
.features = PHY_10G_FEATURES,
.mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
MDIO_MMD_PHYXS | MDIO_MMD_AN |
MDIO_MMD_VEND1),
.config = &aquantia_config,
.startup = &aquantia_startup,
.shutdown = &gen10g_shutdown,
};
int phy_aquantia_init(void)
{
phy_register(&aq1202_driver);
phy_register(&aq2104_driver);
phy_register(&aqr105_driver);
return 0;
}
|
