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/*
* Vitesse PHY drivers
*
* Copyright 2010-2012 Freescale Semiconductor, Inc.
* Author: Andy Fleming
* Add vsc8662 phy support - Priyanka Jain
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <miiphy.h>
/* Cicada Auxiliary Control/Status Register */
#define MIIM_CIS82xx_AUX_CONSTAT 0x1c
#define MIIM_CIS82xx_AUXCONSTAT_INIT 0x0004
#define MIIM_CIS82xx_AUXCONSTAT_DUPLEX 0x0020
#define MIIM_CIS82xx_AUXCONSTAT_SPEED 0x0018
#define MIIM_CIS82xx_AUXCONSTAT_GBIT 0x0010
#define MIIM_CIS82xx_AUXCONSTAT_100 0x0008
/* Cicada Extended Control Register 1 */
#define MIIM_CIS82xx_EXT_CON1 0x17
#define MIIM_CIS8201_EXTCON1_INIT 0x0000
/* Cicada 8204 Extended PHY Control Register 1 */
#define MIIM_CIS8204_EPHY_CON 0x17
#define MIIM_CIS8204_EPHYCON_INIT 0x0006
#define MIIM_CIS8204_EPHYCON_RGMII 0x1100
/* Cicada 8204 Serial LED Control Register */
#define MIIM_CIS8204_SLED_CON 0x1b
#define MIIM_CIS8204_SLEDCON_INIT 0x1115
/* Vitesse VSC8601 Extended PHY Control Register 1 */
#define MIIM_VSC8601_EPHY_CON 0x17
#define MIIM_VSC8601_EPHY_CON_INIT_SKEW 0x1120
#define MIIM_VSC8601_SKEW_CTRL 0x1c
#define PHY_EXT_PAGE_ACCESS 0x1f
/* CIS8201 */
static int vitesse_config(struct phy_device *phydev)
{
/* Override PHY config settings */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS82xx_AUX_CONSTAT,
MIIM_CIS82xx_AUXCONSTAT_INIT);
/* Set up the interface mode */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS82xx_EXT_CON1,
MIIM_CIS8201_EXTCON1_INIT);
genphy_config_aneg(phydev);
return 0;
}
static int vitesse_parse_status(struct phy_device *phydev)
{
int speed;
int mii_reg;
mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_CIS82xx_AUX_CONSTAT);
if (mii_reg & MIIM_CIS82xx_AUXCONSTAT_DUPLEX)
phydev->duplex = DUPLEX_FULL;
else
phydev->duplex = DUPLEX_HALF;
speed = mii_reg & MIIM_CIS82xx_AUXCONSTAT_SPEED;
switch (speed) {
case MIIM_CIS82xx_AUXCONSTAT_GBIT:
phydev->speed = SPEED_1000;
break;
case MIIM_CIS82xx_AUXCONSTAT_100:
phydev->speed = SPEED_100;
break;
default:
phydev->speed = SPEED_10;
break;
}
return 0;
}
static int vitesse_startup(struct phy_device *phydev)
{
genphy_update_link(phydev);
vitesse_parse_status(phydev);
return 0;
}
static int cis8204_config(struct phy_device *phydev)
{
/* Override PHY config settings */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS82xx_AUX_CONSTAT,
MIIM_CIS82xx_AUXCONSTAT_INIT);
genphy_config_aneg(phydev);
if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
(phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
(phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
(phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID))
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS8204_EPHY_CON,
MIIM_CIS8204_EPHYCON_INIT |
MIIM_CIS8204_EPHYCON_RGMII);
else
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS8204_EPHY_CON,
MIIM_CIS8204_EPHYCON_INIT);
return 0;
}
/* Vitesse VSC8601 */
static int vsc8601_config(struct phy_device *phydev)
{
/* Configure some basic stuff */
#ifdef CONFIG_SYS_VSC8601_SKEWFIX
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8601_EPHY_CON,
MIIM_VSC8601_EPHY_CON_INIT_SKEW);
#if defined(CONFIG_SYS_VSC8601_SKEW_TX) && defined(CONFIG_SYS_VSC8601_SKEW_RX)
phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS, 1);
#define VSC8101_SKEW \
((CONFIG_SYS_VSC8601_SKEW_TX << 14) \
| (CONFIG_SYS_VSC8601_SKEW_RX << 12))
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8601_SKEW_CTRL,
VSC8101_SKEW);
phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS, 0);
#endif
#endif
genphy_config_aneg(phydev);
return 0;
}
static struct phy_driver VSC8211_driver = {
.name = "Vitesse VSC8211",
.uid = 0xfc4b0,
.mask = 0xffff0,
.features = PHY_GBIT_FEATURES,
.config = &vitesse_config,
.startup = &vitesse_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver VSC8221_driver = {
.name = "Vitesse VSC8221",
.uid = 0xfc550,
.mask = 0xffff0,
.features = PHY_GBIT_FEATURES,
.config = &genphy_config_aneg,
.startup = &vitesse_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver VSC8244_driver = {
.name = "Vitesse VSC8244",
.uid = 0xfc6c0,
.mask = 0xffff0,
.features = PHY_GBIT_FEATURES,
.config = &genphy_config_aneg,
.startup = &vitesse_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver VSC8234_driver = {
.name = "Vitesse VSC8234",
.uid = 0xfc620,
.mask = 0xffff0,
.features = PHY_GBIT_FEATURES,
.config = &genphy_config_aneg,
.startup = &vitesse_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver VSC8601_driver = {
.name = "Vitesse VSC8601",
.uid = 0x70420,
.mask = 0xffff0,
.features = PHY_GBIT_FEATURES,
.config = &vsc8601_config,
.startup = &vitesse_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver VSC8641_driver = {
.name = "Vitesse VSC8641",
.uid = 0x70430,
.mask = 0xffff0,
.features = PHY_GBIT_FEATURES,
.config = &genphy_config_aneg,
.startup = &vitesse_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver VSC8662_driver = {
.name = "Vitesse VSC8662",
.uid = 0x70660,
.mask = 0xffff0,
.features = PHY_GBIT_FEATURES,
.config = &genphy_config_aneg,
.startup = &vitesse_startup,
.shutdown = &genphy_shutdown,
};
/* Vitesse bought Cicada, so we'll put these here */
static struct phy_driver cis8201_driver = {
.name = "CIS8201",
.uid = 0xfc410,
.mask = 0xffff0,
.features = PHY_GBIT_FEATURES,
.config = &vitesse_config,
.startup = &vitesse_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver cis8204_driver = {
.name = "Cicada Cis8204",
.uid = 0xfc440,
.mask = 0xffff0,
.features = PHY_GBIT_FEATURES,
.config = &cis8204_config,
.startup = &vitesse_startup,
.shutdown = &genphy_shutdown,
};
int phy_vitesse_init(void)
{
phy_register(&VSC8641_driver);
phy_register(&VSC8601_driver);
phy_register(&VSC8234_driver);
phy_register(&VSC8244_driver);
phy_register(&VSC8211_driver);
phy_register(&VSC8221_driver);
phy_register(&VSC8662_driver);
phy_register(&cis8201_driver);
phy_register(&cis8204_driver);
return 0;
}