4 * Copyright 2010-2012 Freescale Semiconductor, Inc.
6 * Add vsc8662 phy support - Priyanka Jain
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 /* Cicada Auxiliary Control/Status Register */
25 #define MIIM_CIS82xx_AUX_CONSTAT 0x1c
26 #define MIIM_CIS82xx_AUXCONSTAT_INIT 0x0004
27 #define MIIM_CIS82xx_AUXCONSTAT_DUPLEX 0x0020
28 #define MIIM_CIS82xx_AUXCONSTAT_SPEED 0x0018
29 #define MIIM_CIS82xx_AUXCONSTAT_GBIT 0x0010
30 #define MIIM_CIS82xx_AUXCONSTAT_100 0x0008
32 /* Cicada Extended Control Register 1 */
33 #define MIIM_CIS82xx_EXT_CON1 0x17
34 #define MIIM_CIS8201_EXTCON1_INIT 0x0000
36 /* Cicada 8204 Extended PHY Control Register 1 */
37 #define MIIM_CIS8204_EPHY_CON 0x17
38 #define MIIM_CIS8204_EPHYCON_INIT 0x0006
39 #define MIIM_CIS8204_EPHYCON_RGMII 0x1100
41 /* Cicada 8204 Serial LED Control Register */
42 #define MIIM_CIS8204_SLED_CON 0x1b
43 #define MIIM_CIS8204_SLEDCON_INIT 0x1115
45 /* Vitesse VSC8601 Extended PHY Control Register 1 */
46 #define MIIM_VSC8601_EPHY_CON 0x17
47 #define MIIM_VSC8601_EPHY_CON_INIT_SKEW 0x1120
48 #define MIIM_VSC8601_SKEW_CTRL 0x1c
50 #define PHY_EXT_PAGE_ACCESS 0x1f
53 static int vitesse_config(struct phy_device *phydev)
55 /* Override PHY config settings */
56 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS82xx_AUX_CONSTAT,
57 MIIM_CIS82xx_AUXCONSTAT_INIT);
58 /* Set up the interface mode */
59 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS82xx_EXT_CON1,
60 MIIM_CIS8201_EXTCON1_INIT);
62 genphy_config_aneg(phydev);
67 static int vitesse_parse_status(struct phy_device *phydev)
72 mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_CIS82xx_AUX_CONSTAT);
74 if (mii_reg & MIIM_CIS82xx_AUXCONSTAT_DUPLEX)
75 phydev->duplex = DUPLEX_FULL;
77 phydev->duplex = DUPLEX_HALF;
79 speed = mii_reg & MIIM_CIS82xx_AUXCONSTAT_SPEED;
81 case MIIM_CIS82xx_AUXCONSTAT_GBIT:
82 phydev->speed = SPEED_1000;
84 case MIIM_CIS82xx_AUXCONSTAT_100:
85 phydev->speed = SPEED_100;
88 phydev->speed = SPEED_10;
95 static int vitesse_startup(struct phy_device *phydev)
97 genphy_update_link(phydev);
98 vitesse_parse_status(phydev);
103 static int cis8204_config(struct phy_device *phydev)
105 /* Override PHY config settings */
106 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS82xx_AUX_CONSTAT,
107 MIIM_CIS82xx_AUXCONSTAT_INIT);
109 genphy_config_aneg(phydev);
111 if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
112 (phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
113 (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
114 (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID))
115 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS8204_EPHY_CON,
116 MIIM_CIS8204_EPHYCON_INIT |
117 MIIM_CIS8204_EPHYCON_RGMII);
119 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS8204_EPHY_CON,
120 MIIM_CIS8204_EPHYCON_INIT);
125 /* Vitesse VSC8601 */
126 static int vsc8601_config(struct phy_device *phydev)
128 /* Configure some basic stuff */
129 #ifdef CONFIG_SYS_VSC8601_SKEWFIX
130 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8601_EPHY_CON,
131 MIIM_VSC8601_EPHY_CON_INIT_SKEW);
132 #if defined(CONFIG_SYS_VSC8601_SKEW_TX) && defined(CONFIG_SYS_VSC8601_SKEW_RX)
133 phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS, 1);
134 #define VSC8101_SKEW \
135 ((CONFIG_SYS_VSC8601_SKEW_TX << 14) \
136 | (CONFIG_SYS_VSC8601_SKEW_RX << 12))
137 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8601_SKEW_CTRL,
139 phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS, 0);
143 genphy_config_aneg(phydev);
148 static struct phy_driver VSC8211_driver = {
149 .name = "Vitesse VSC8211",
152 .features = PHY_GBIT_FEATURES,
153 .config = &vitesse_config,
154 .startup = &vitesse_startup,
155 .shutdown = &genphy_shutdown,
158 static struct phy_driver VSC8221_driver = {
159 .name = "Vitesse VSC8221",
162 .features = PHY_GBIT_FEATURES,
163 .config = &genphy_config_aneg,
164 .startup = &vitesse_startup,
165 .shutdown = &genphy_shutdown,
168 static struct phy_driver VSC8244_driver = {
169 .name = "Vitesse VSC8244",
172 .features = PHY_GBIT_FEATURES,
173 .config = &genphy_config_aneg,
174 .startup = &vitesse_startup,
175 .shutdown = &genphy_shutdown,
178 static struct phy_driver VSC8234_driver = {
179 .name = "Vitesse VSC8234",
182 .features = PHY_GBIT_FEATURES,
183 .config = &genphy_config_aneg,
184 .startup = &vitesse_startup,
185 .shutdown = &genphy_shutdown,
188 static struct phy_driver VSC8601_driver = {
189 .name = "Vitesse VSC8601",
192 .features = PHY_GBIT_FEATURES,
193 .config = &vsc8601_config,
194 .startup = &vitesse_startup,
195 .shutdown = &genphy_shutdown,
198 static struct phy_driver VSC8641_driver = {
199 .name = "Vitesse VSC8641",
202 .features = PHY_GBIT_FEATURES,
203 .config = &genphy_config_aneg,
204 .startup = &vitesse_startup,
205 .shutdown = &genphy_shutdown,
208 static struct phy_driver VSC8662_driver = {
209 .name = "Vitesse VSC8662",
212 .features = PHY_GBIT_FEATURES,
213 .config = &genphy_config_aneg,
214 .startup = &vitesse_startup,
215 .shutdown = &genphy_shutdown,
218 /* Vitesse bought Cicada, so we'll put these here */
219 static struct phy_driver cis8201_driver = {
223 .features = PHY_GBIT_FEATURES,
224 .config = &vitesse_config,
225 .startup = &vitesse_startup,
226 .shutdown = &genphy_shutdown,
229 static struct phy_driver cis8204_driver = {
230 .name = "Cicada Cis8204",
233 .features = PHY_GBIT_FEATURES,
234 .config = &cis8204_config,
235 .startup = &vitesse_startup,
236 .shutdown = &genphy_shutdown,
239 int phy_vitesse_init(void)
241 phy_register(&VSC8641_driver);
242 phy_register(&VSC8601_driver);
243 phy_register(&VSC8234_driver);
244 phy_register(&VSC8244_driver);
245 phy_register(&VSC8211_driver);
246 phy_register(&VSC8221_driver);
247 phy_register(&VSC8662_driver);
248 phy_register(&cis8201_driver);
249 phy_register(&cis8204_driver);