Merge branch 'phylib' of git://git.denx.de/u-boot-mmc

1 files changed, 242 insertions, 0 deletions

diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c
new file mode 100644
index 0000000..d48d4fe
--- /dev/null
+++ b/drivers/net/phy/vitesse.c
@@ -0,0 +1,242 @@
+/*
+ * Vitesse PHY drivers
+ *
+ * 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
+ *
+ * Copyright 2010-2011 Freescale Semiconductor, Inc.
+ * author Andy Fleming
+ *
+ */
+#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 */
+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,
+};
+
+/* 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(&cis8201_driver);
+	phy_register(&cis8204_driver);
+
+	return 0;
+}