2 * Teranetics PHY drivers
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of
7 * the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
19 * Copyright 2010-2011 Freescale Semiconductor, Inc.
26 #ifndef CONFIG_PHYLIB_10G
27 #error The Teranetics PHY needs 10G support
30 int tn2020_config(struct phy_device *phydev)
32 if (phydev->port == PORT_FIBRE) {
33 unsigned short restart_an = (MDIO_AN_CTRL1_RESTART |
34 MDIO_AN_CTRL1_ENABLE |
37 phy_write(phydev, 30, 93, 2);
38 phy_write(phydev, MDIO_MMD_AN, MDIO_CTRL1, restart_an);
44 int tn2020_startup(struct phy_device *phydev)
46 if (phydev->port != PORT_FIBRE)
47 return gen10g_startup(phydev);
50 * The TN2020 only pretends to support fiber.
51 * It works, but it doesn't look like it works,
52 * so the link status reports no link.
56 /* For now just lie and say it's 10G all the time */
57 phydev->speed = SPEED_10000;
58 phydev->duplex = DUPLEX_FULL;
63 struct phy_driver tn2020_driver = {
64 .name = "Teranetics TN2020",
67 .features = PHY_10G_FEATURES,
68 .mmds = (MDIO_DEVS_PMAPMD | MDIO_DEVS_PCS |
69 MDIO_DEVS_PHYXS | MDIO_DEVS_AN |
70 MDIO_DEVS_VEND1 | MDIO_DEVS_VEND2),
71 .config = &tn2020_config,
72 .startup = &tn2020_startup,
73 .shutdown = &gen10g_shutdown,
76 int phy_teranetics_init(void)
78 phy_register(&tn2020_driver);