/*
* Marvell 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
+ * SPDX-License-Identifier: GPL-2.0+
*
* Copyright 2010-2011 Freescale Semiconductor, Inc.
* author Andy Fleming
- *
*/
#include <config.h>
#include <common.h>
+#include <errno.h>
#include <phy.h>
#define PHY_AUTONEGOTIATE_TIMEOUT 5000
#define MIIM_88E1149_PHY_PAGE 29
+/* 88E1310 PHY defines */
+#define MIIM_88E1310_PHY_LED_CTRL 16
+#define MIIM_88E1310_PHY_IRQ_EN 18
+#define MIIM_88E1310_PHY_RGMII_CTRL 21
+#define MIIM_88E1310_PHY_PAGE 22
+
+/* 88E151x PHY defines */
+/* Page 3 registers */
+#define MIIM_88E151x_LED_FUNC_CTRL 16
+#define MIIM_88E151x_LED_FLD_SZ 4
+#define MIIM_88E151x_LED0_OFFS (0 * MIIM_88E151x_LED_FLD_SZ)
+#define MIIM_88E151x_LED1_OFFS (1 * MIIM_88E151x_LED_FLD_SZ)
+#define MIIM_88E151x_LED0_ACT 3
+#define MIIM_88E151x_LED1_100_1000_LINK 6
+#define MIIM_88E151x_LED_TIMER_CTRL 18
+#define MIIM_88E151x_INT_EN_OFFS 7
+/* Page 18 registers */
+#define MIIM_88E151x_GENERAL_CTRL 20
+#define MIIM_88E151x_MODE_SGMII 1
+#define MIIM_88E151x_RESET_OFFS 15
+
/* Marvell 88E1011S */
static int m88e1011s_config(struct phy_device *phydev)
{
/* Parse the 88E1011's status register for speed and duplex
* information
*/
-static uint m88e1xxx_parse_status(struct phy_device *phydev)
+static int m88e1xxx_parse_status(struct phy_device *phydev)
{
unsigned int speed;
unsigned int mii_reg;
if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
puts(" TIMEOUT !\n");
phydev->link = 0;
- break;
+ return -ETIMEDOUT;
}
if ((i++ % 1000) == 0)
static int m88e1011s_startup(struct phy_device *phydev)
{
- genphy_update_link(phydev);
- m88e1xxx_parse_status(phydev);
+ int ret;
- return 0;
+ ret = genphy_update_link(phydev);
+ if (ret)
+ return ret;
+
+ return m88e1xxx_parse_status(phydev);
}
/* Marvell 88E1111S */
static int m88e1111s_config(struct phy_device *phydev)
{
int reg;
- int timeout;
- if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
- (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
- (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
- (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
+ if (phy_interface_is_rgmii(phydev)) {
reg = phy_read(phydev,
MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR);
if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
MIIM_88E1111_PHY_EXT_SR, reg);
/* soft reset */
- timeout = 1000;
- phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
- udelay(1000);
- reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
- while ((reg & BMCR_RESET) && --timeout) {
- udelay(1000);
- reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
- }
- if (!timeout)
- printf("%s: phy soft reset timeout\n", __func__);
+ phy_reset(phydev);
reg = phy_read(phydev, MDIO_DEVAD_NONE,
MIIM_88E1111_PHY_EXT_SR);
}
/* soft reset */
- timeout = 1000;
- phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
- udelay(1000);
- reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
- while ((reg & BMCR_RESET) && --timeout) {
- udelay(1000);
- reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
- }
- if (!timeout)
- printf("%s: phy soft reset timeout\n", __func__);
+ phy_reset(phydev);
genphy_config_aneg(phydev);
-
- phy_reset(phydev);
+ genphy_restart_aneg(phydev);
return 0;
}
+/**
+ * m88e1518_phy_writebits - write bits to a register
+ */
+void m88e1518_phy_writebits(struct phy_device *phydev,
+ u8 reg_num, u16 offset, u16 len, u16 data)
+{
+ u16 reg, mask;
+
+ if ((len + offset) >= 16)
+ mask = 0 - (1 << offset);
+ else
+ mask = (1 << (len + offset)) - (1 << offset);
+
+ reg = phy_read(phydev, MDIO_DEVAD_NONE, reg_num);
+
+ reg &= ~mask;
+ reg |= data << offset;
+
+ phy_write(phydev, MDIO_DEVAD_NONE, reg_num, reg);
+}
+
+static int m88e1518_config(struct phy_device *phydev)
+{
+ /*
+ * As per Marvell Release Notes - Alaska 88E1510/88E1518/88E1512
+ * /88E1514 Rev A0, Errata Section 3.1
+ */
+
+ /* EEE initialization */
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x00ff);
+ phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x214B);
+ phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2144);
+ phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x0C28);
+ phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2146);
+ phy_write(phydev, MDIO_DEVAD_NONE, 17, 0xB233);
+ phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x214D);
+ phy_write(phydev, MDIO_DEVAD_NONE, 17, 0xCC0C);
+ phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2159);
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
+
+ /* SGMII-to-Copper mode initialization */
+ if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
+ /* Select page 18 */
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 18);
+
+ /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
+ m88e1518_phy_writebits(phydev, MIIM_88E151x_GENERAL_CTRL,
+ 0, 3, MIIM_88E151x_MODE_SGMII);
+
+ /* PHY reset is necessary after changing MODE[2:0] */
+ m88e1518_phy_writebits(phydev, MIIM_88E151x_GENERAL_CTRL,
+ MIIM_88E151x_RESET_OFFS, 1, 1);
+
+ /* Reset page selection */
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0);
+
+ udelay(100);
+ }
+
+ return m88e1111s_config(phydev);
+}
+
+/* Marvell 88E1510 */
+static int m88e1510_config(struct phy_device *phydev)
+{
+ /* Select page 3 */
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE,
+ MIIM_88E1118_PHY_LED_PAGE);
+
+ /* Enable INTn output on LED[2] */
+ m88e1518_phy_writebits(phydev, MIIM_88E151x_LED_TIMER_CTRL,
+ MIIM_88E151x_INT_EN_OFFS, 1, 1);
+
+ /* Configure LEDs */
+ /* LED[0]:0011 (ACT) */
+ m88e1518_phy_writebits(phydev, MIIM_88E151x_LED_FUNC_CTRL,
+ MIIM_88E151x_LED0_OFFS, MIIM_88E151x_LED_FLD_SZ,
+ MIIM_88E151x_LED0_ACT);
+ /* LED[1]:0110 (LINK 100/1000 Mbps) */
+ m88e1518_phy_writebits(phydev, MIIM_88E151x_LED_FUNC_CTRL,
+ MIIM_88E151x_LED1_OFFS, MIIM_88E151x_LED_FLD_SZ,
+ MIIM_88E151x_LED1_100_1000_LINK);
+
+ /* Reset page selection */
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0);
+
+ return m88e1518_config(phydev);
+}
+
/* Marvell 88E1118 */
static int m88e1118_config(struct phy_device *phydev)
{
/* Change Page Number */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
- genphy_config_aneg(phydev);
-
- phy_reset(phydev);
-
- return 0;
+ return genphy_config_aneg(phydev);
}
static int m88e1118_startup(struct phy_device *phydev)
{
+ int ret;
+
/* Change Page Number */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
- genphy_update_link(phydev);
- m88e1xxx_parse_status(phydev);
+ ret = genphy_update_link(phydev);
+ if (ret)
+ return ret;
- return 0;
+ return m88e1xxx_parse_status(phydev);
}
/* Marvell 88E1121R */
static int m88e1145_startup(struct phy_device *phydev)
{
- genphy_update_link(phydev);
+ int ret;
+
+ ret = genphy_update_link(phydev);
+ if (ret)
+ return ret;
+
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_LED_CONTROL,
MIIM_88E1145_PHY_LED_DIRECT);
- m88e1xxx_parse_status(phydev);
-
- return 0;
+ return m88e1xxx_parse_status(phydev);
}
/* Marvell 88E1149S */
return 0;
}
+/* Marvell 88E1310 */
+static int m88e1310_config(struct phy_device *phydev)
+{
+ u16 reg;
+
+ /* LED link and activity */
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0003);
+ reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_LED_CTRL);
+ reg = (reg & ~0xf) | 0x1;
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_LED_CTRL, reg);
+
+ /* Set LED2/INT to INT mode, low active */
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0003);
+ reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_IRQ_EN);
+ reg = (reg & 0x77ff) | 0x0880;
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_IRQ_EN, reg);
+
+ /* Set RGMII delay */
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0002);
+ reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_RGMII_CTRL);
+ reg |= 0x0030;
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_RGMII_CTRL, reg);
+
+ /* Ensure to return to page 0 */
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0000);
+
+ return genphy_config_aneg(phydev);
+}
+
+static int m88e1680_config(struct phy_device *phydev)
+{
+ /*
+ * As per Marvell Release Notes - Alaska V 88E1680 Rev A2
+ * Errata Section 4.1
+ */
+ u16 reg;
+ int res;
+
+ /* Matrix LED mode (not neede if single LED mode is used */
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0004);
+ reg = phy_read(phydev, MDIO_DEVAD_NONE, 27);
+ reg |= (1 << 5);
+ phy_write(phydev, MDIO_DEVAD_NONE, 27, reg);
+
+ /* QSGMII TX amplitude change */
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x00fd);
+ phy_write(phydev, MDIO_DEVAD_NONE, 8, 0x0b53);
+ phy_write(phydev, MDIO_DEVAD_NONE, 7, 0x200d);
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
+
+ /* EEE initialization */
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x00ff);
+ phy_write(phydev, MDIO_DEVAD_NONE, 17, 0xb030);
+ phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x215c);
+ phy_write(phydev, MDIO_DEVAD_NONE, 22, 0x00fc);
+ phy_write(phydev, MDIO_DEVAD_NONE, 24, 0x888c);
+ phy_write(phydev, MDIO_DEVAD_NONE, 25, 0x888c);
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
+ phy_write(phydev, MDIO_DEVAD_NONE, 0, 0x9140);
+
+ res = genphy_config_aneg(phydev);
+ if (res < 0)
+ return res;
+
+ /* soft reset */
+ reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
+ reg |= BMCR_RESET;
+ phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, reg);
+
+ return 0;
+}
static struct phy_driver M88E1011S_driver = {
.name = "Marvell 88E1011S",
.shutdown = &genphy_shutdown,
};
+static struct phy_driver M88E1510_driver = {
+ .name = "Marvell 88E1510",
+ .uid = 0x1410dd0,
+ .mask = 0xfffffff,
+ .features = PHY_GBIT_FEATURES,
+ .config = &m88e1510_config,
+ .startup = &m88e1011s_startup,
+ .shutdown = &genphy_shutdown,
+};
+
+/*
+ * This supports:
+ * 88E1518, uid 0x1410dd1
+ * 88E1512, uid 0x1410dd4
+ */
+static struct phy_driver M88E1518_driver = {
+ .name = "Marvell 88E1518",
+ .uid = 0x1410dd0,
+ .mask = 0xffffffa,
+ .features = PHY_GBIT_FEATURES,
+ .config = &m88e1518_config,
+ .startup = &m88e1011s_startup,
+ .shutdown = &genphy_shutdown,
+};
+
+static struct phy_driver M88E1310_driver = {
+ .name = "Marvell 88E1310",
+ .uid = 0x01410e90,
+ .mask = 0xffffff0,
+ .features = PHY_GBIT_FEATURES,
+ .config = &m88e1310_config,
+ .startup = &m88e1011s_startup,
+ .shutdown = &genphy_shutdown,
+};
+
+static struct phy_driver M88E1680_driver = {
+ .name = "Marvell 88E1680",
+ .uid = 0x1410ed0,
+ .mask = 0xffffff0,
+ .features = PHY_GBIT_FEATURES,
+ .config = &m88e1680_config,
+ .startup = &genphy_startup,
+ .shutdown = &genphy_shutdown,
+};
+
int phy_marvell_init(void)
{
+ phy_register(&M88E1310_driver);
phy_register(&M88E1149S_driver);
phy_register(&M88E1145_driver);
phy_register(&M88E1121R_driver);
phy_register(&M88E1118R_driver);
phy_register(&M88E1111S_driver);
phy_register(&M88E1011S_driver);
+ phy_register(&M88E1510_driver);
+ phy_register(&M88E1518_driver);
+ phy_register(&M88E1680_driver);
return 0;
}