+// SPDX-License-Identifier: GPL-2.0+
/*
* Vitesse PHY drivers
*
- * Copyright 2010-2012 Freescale Semiconductor, Inc.
- * Author: Andy Fleming
+ * Copyright 2010-2014 Freescale Semiconductor, Inc.
+ * Original 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 <common.h>
#include <miiphy.h>
/* Cicada Auxiliary Control/Status Register */
#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 MII_VSC8601_EPHY_CTL 0x17
+#define MII_VSC8601_EPHY_CTL_RGMII_SKEW (1 << 8)
#define PHY_EXT_PAGE_ACCESS 0x1f
#define PHY_EXT_PAGE_ACCESS_GENERAL 0x10
#define MIIM_VSC8574_18G_QSGMII 0x80e0
#define MIIM_VSC8574_18G_CMDSTAT 0x8000
+/* Vitesse VSC8514 control register */
+#define MIIM_VSC8514_MAC_SERDES_CON 0x10
+#define MIIM_VSC8514_GENERAL18 0x12
+#define MIIM_VSC8514_GENERAL19 0x13
+#define MIIM_VSC8514_GENERAL23 0x17
+
+/* Vitesse VSC8514 gerenal purpose register 18 */
+#define MIIM_VSC8514_18G_QSGMII 0x80e0
+#define MIIM_VSC8514_18G_CMDSTAT 0x8000
+
+/* Vitesse VSC8664 Control/Status Register */
+#define MIIM_VSC8664_SERDES_AND_SIGDET 0x13
+#define MIIM_VSC8664_ADDITIONAL_DEV 0x16
+#define MIIM_VSC8664_EPHY_CON 0x17
+#define MIIM_VSC8664_LED_CON 0x1E
+
+#define PHY_EXT_PAGE_ACCESS_EXTENDED 0x0001
+
/* CIS8201 */
static int vitesse_config(struct phy_device *phydev)
{
static int vitesse_startup(struct phy_device *phydev)
{
- genphy_update_link(phydev);
- vitesse_parse_status(phydev);
+ int ret;
- return 0;
+ ret = genphy_update_link(phydev);
+ if (ret)
+ return ret;
+ return vitesse_parse_status(phydev);
}
static int cis8204_config(struct phy_device *phydev)
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))
+ if (phy_interface_is_rgmii(phydev))
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS8204_EPHY_CON,
MIIM_CIS8204_EPHYCON_INIT |
MIIM_CIS8204_EPHYCON_RGMII);
}
/* Vitesse VSC8601 */
+/* This adds a skew for both TX and RX clocks, so the skew should only be
+ * applied to "rgmii-id" interfaces. It may not work as expected
+ * on "rgmii-txid", "rgmii-rxid" or "rgmii" interfaces. */
+static int vsc8601_add_skew(struct phy_device *phydev)
+{
+ int ret;
+
+ ret = phy_read(phydev, MDIO_DEVAD_NONE, MII_VSC8601_EPHY_CTL);
+ if (ret < 0)
+ return ret;
+
+ ret |= MII_VSC8601_EPHY_CTL_RGMII_SKEW;
+ return phy_write(phydev, MDIO_DEVAD_NONE, MII_VSC8601_EPHY_CTL, ret);
+}
+
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
+ int ret = 0;
- genphy_config_aneg(phydev);
+ if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
+ ret = vsc8601_add_skew(phydev);
- return 0;
+ if (ret < 0)
+ return ret;
+
+ return genphy_config_aneg(phydev);
}
static int vsc8574_config(struct phy_device *phydev)
{
u32 val;
- /* configure regiser 19G for MAC */
+ /* configure register 19G for MAC */
phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS,
PHY_EXT_PAGE_ACCESS_GENERAL);
return 0;
}
+static int vsc8514_config(struct phy_device *phydev)
+{
+ u32 val;
+ int timeout = 1000000;
+
+ /* configure register to access 19G */
+ phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS,
+ PHY_EXT_PAGE_ACCESS_GENERAL);
+
+ val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8514_GENERAL19);
+ if (phydev->interface == PHY_INTERFACE_MODE_QSGMII) {
+ /* set bit 15:14 to '01' for QSGMII mode */
+ val = (val & 0x3fff) | (1 << 14);
+ phy_write(phydev, MDIO_DEVAD_NONE,
+ MIIM_VSC8514_GENERAL19, val);
+ /* Enable 4 ports MAC QSGMII */
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8514_GENERAL18,
+ MIIM_VSC8514_18G_QSGMII);
+ } else {
+ /*TODO Add SGMII functionality once spec sheet
+ * for VSC8514 defines complete functionality
+ */
+ }
+
+ val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8514_GENERAL18);
+ /* When bit 15 is cleared the command has completed */
+ while ((val & MIIM_VSC8514_18G_CMDSTAT) && timeout--)
+ val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8514_GENERAL18);
+
+ if (0 == timeout) {
+ printf("PHY 8514 config failed\n");
+ return -1;
+ }
+
+ phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS, 0);
+
+ /* configure register to access 23 */
+ val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8514_GENERAL23);
+ /* set bits 10:8 to '000' */
+ val = (val & 0xf8ff);
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8514_GENERAL23, val);
+
+ /* Enable Serdes Auto-negotiation */
+ phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS,
+ PHY_EXT_PAGE_ACCESS_EXTENDED3);
+ val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8514_MAC_SERDES_CON);
+ val = val | MIIM_VSC8574_MAC_SERDES_ANEG;
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8514_MAC_SERDES_CON, val);
+ phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS, 0);
+
+ genphy_config_aneg(phydev);
+
+ return 0;
+}
+
+static int vsc8664_config(struct phy_device *phydev)
+{
+ u32 val;
+
+ /* Enable MAC interface auto-negotiation */
+ phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS, 0);
+ val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8664_EPHY_CON);
+ val |= (1 << 13);
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8664_EPHY_CON, val);
+
+ phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS,
+ PHY_EXT_PAGE_ACCESS_EXTENDED);
+ val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8664_SERDES_AND_SIGDET);
+ val |= (1 << 11);
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8664_SERDES_AND_SIGDET, val);
+ phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS, 0);
+
+ /* Enable LED blink */
+ val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8664_LED_CON);
+ val &= ~(1 << 2);
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8664_LED_CON, val);
+
+ genphy_config_aneg(phydev);
+
+ return 0;
+}
+
static struct phy_driver VSC8211_driver = {
.name = "Vitesse VSC8211",
.uid = 0xfc4b0,
.shutdown = &genphy_shutdown,
};
+static struct phy_driver VSC8514_driver = {
+ .name = "Vitesse VSC8514",
+ .uid = 0x70670,
+ .mask = 0xffff0,
+ .features = PHY_GBIT_FEATURES,
+ .config = &vsc8514_config,
+ .startup = &vitesse_startup,
+ .shutdown = &genphy_shutdown,
+};
+
+static struct phy_driver VSC8584_driver = {
+ .name = "Vitesse VSC8584",
+ .uid = 0x707c0,
+ .mask = 0xffff0,
+ .features = PHY_GBIT_FEATURES,
+ .config = &vsc8574_config,
+ .startup = &vitesse_startup,
+ .shutdown = &genphy_shutdown,
+};
+
static struct phy_driver VSC8601_driver = {
.name = "Vitesse VSC8601",
.uid = 0x70420,
.shutdown = &genphy_shutdown,
};
+static struct phy_driver VSC8664_driver = {
+ .name = "Vitesse VSC8664",
+ .uid = 0x70660,
+ .mask = 0xffff0,
+ .features = PHY_GBIT_FEATURES,
+ .config = &vsc8664_config,
+ .startup = &vitesse_startup,
+ .shutdown = &genphy_shutdown,
+};
+
/* Vitesse bought Cicada, so we'll put these here */
static struct phy_driver cis8201_driver = {
.name = "CIS8201",
phy_register(&VSC8211_driver);
phy_register(&VSC8221_driver);
phy_register(&VSC8574_driver);
+ phy_register(&VSC8584_driver);
+ phy_register(&VSC8514_driver);
phy_register(&VSC8662_driver);
+ phy_register(&VSC8664_driver);
phy_register(&cis8201_driver);
phy_register(&cis8204_driver);
projects / oweals / u-boot.git / blobdiff