*
* SPDX-License-Identifier: GPL-2.0+
*
- * Copyright 2010-2011 Freescale Semiconductor, Inc.
+ * Copyright 2010-2011, 2015 Freescale Semiconductor, Inc.
* author Andy Fleming
+ * Copyright 2016 Karsten Merker <merker@debian.org>
*/
#include <config.h>
#include <common.h>
+#include <linux/bitops.h>
#include <phy.h>
+#define PHY_RTL8211x_FORCE_MASTER BIT(1)
+
#define PHY_AUTONEGOTIATE_TIMEOUT 5000
+/* RTL8211x 1000BASE-T Control Register */
+#define MIIM_RTL8211x_CTRL1000T_MSCE BIT(12);
+#define MIIM_RTL8211x_CTRL1000T_MASTER BIT(11);
+
/* RTL8211x PHY Status Register */
#define MIIM_RTL8211x_PHY_STATUS 0x11
#define MIIM_RTL8211x_PHYSTAT_SPEED 0xc000
#define MIIM_RTL8211x_PHYSTAT_SPDDONE 0x0800
#define MIIM_RTL8211x_PHYSTAT_LINK 0x0400
+/* RTL8211x PHY Interrupt Enable Register */
+#define MIIM_RTL8211x_PHY_INER 0x12
+#define MIIM_RTL8211x_PHY_INTR_ENA 0x9f01
+#define MIIM_RTL8211x_PHY_INTR_DIS 0x0000
+
+/* RTL8211x PHY Interrupt Status Register */
+#define MIIM_RTL8211x_PHY_INSR 0x13
+
+/* RTL8211F PHY Status Register */
+#define MIIM_RTL8211F_PHY_STATUS 0x1a
+#define MIIM_RTL8211F_AUTONEG_ENABLE 0x1000
+#define MIIM_RTL8211F_PHYSTAT_SPEED 0x0030
+#define MIIM_RTL8211F_PHYSTAT_GBIT 0x0020
+#define MIIM_RTL8211F_PHYSTAT_100 0x0010
+#define MIIM_RTL8211F_PHYSTAT_DUPLEX 0x0008
+#define MIIM_RTL8211F_PHYSTAT_SPDDONE 0x0800
+#define MIIM_RTL8211F_PHYSTAT_LINK 0x0004
+
+#define MIIM_RTL8211F_PAGE_SELECT 0x1f
+#define MIIM_RTL8211F_TX_DELAY 0x100
+#define MIIM_RTL8211F_LCR 0x10
+
+static int rtl8211b_probe(struct phy_device *phydev)
+{
+#ifdef CONFIG_RTL8211X_PHY_FORCE_MASTER
+ phydev->flags |= PHY_RTL8211x_FORCE_MASTER;
+#endif
+
+ return 0;
+}
/* RealTek RTL8211x */
static int rtl8211x_config(struct phy_device *phydev)
{
phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
+ /* mask interrupt at init; if the interrupt is
+ * needed indeed, it should be explicitly enabled
+ */
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211x_PHY_INER,
+ MIIM_RTL8211x_PHY_INTR_DIS);
+
+ if (phydev->flags & PHY_RTL8211x_FORCE_MASTER) {
+ unsigned int reg;
+
+ reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_CTRL1000);
+ /* force manual master/slave configuration */
+ reg |= MIIM_RTL8211x_CTRL1000T_MSCE;
+ /* force master mode */
+ reg |= MIIM_RTL8211x_CTRL1000T_MASTER;
+ phy_write(phydev, MDIO_DEVAD_NONE, MII_CTRL1000, reg);
+ }
+ /* read interrupt status just to clear it */
+ phy_read(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211x_PHY_INER);
+
+ genphy_config_aneg(phydev);
+
+ return 0;
+}
+
+static int rtl8211f_config(struct phy_device *phydev)
+{
+ u16 reg;
+
+ phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
+
+ phy_write(phydev, MDIO_DEVAD_NONE,
+ MIIM_RTL8211F_PAGE_SELECT, 0xd08);
+ reg = phy_read(phydev, MDIO_DEVAD_NONE, 0x11);
+
+ /* enable TX-delay for rgmii-id and rgmii-txid, otherwise disable it */
+ if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
+ phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
+ reg |= MIIM_RTL8211F_TX_DELAY;
+ else
+ reg &= ~MIIM_RTL8211F_TX_DELAY;
+
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x11, reg);
+ /* restore to default page 0 */
+ phy_write(phydev, MDIO_DEVAD_NONE,
+ MIIM_RTL8211F_PAGE_SELECT, 0x0);
+
+ /* Set green LED for Link, yellow LED for Active */
+ phy_write(phydev, MDIO_DEVAD_NONE,
+ MIIM_RTL8211F_PAGE_SELECT, 0xd04);
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x10, 0x617f);
+ phy_write(phydev, MDIO_DEVAD_NONE,
+ MIIM_RTL8211F_PAGE_SELECT, 0x0);
+
genphy_config_aneg(phydev);
return 0;
return 0;
}
+static int rtl8211f_parse_status(struct phy_device *phydev)
+{
+ unsigned int speed;
+ unsigned int mii_reg;
+ int i = 0;
+
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211F_PAGE_SELECT, 0xa43);
+ mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211F_PHY_STATUS);
+
+ phydev->link = 1;
+ while (!(mii_reg & MIIM_RTL8211F_PHYSTAT_LINK)) {
+ if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
+ puts(" TIMEOUT !\n");
+ phydev->link = 0;
+ break;
+ }
+
+ if ((i++ % 1000) == 0)
+ putc('.');
+ udelay(1000);
+ mii_reg = phy_read(phydev, MDIO_DEVAD_NONE,
+ MIIM_RTL8211F_PHY_STATUS);
+ }
+
+ if (mii_reg & MIIM_RTL8211F_PHYSTAT_DUPLEX)
+ phydev->duplex = DUPLEX_FULL;
+ else
+ phydev->duplex = DUPLEX_HALF;
+
+ speed = (mii_reg & MIIM_RTL8211F_PHYSTAT_SPEED);
+
+ switch (speed) {
+ case MIIM_RTL8211F_PHYSTAT_GBIT:
+ phydev->speed = SPEED_1000;
+ break;
+ case MIIM_RTL8211F_PHYSTAT_100:
+ phydev->speed = SPEED_100;
+ break;
+ default:
+ phydev->speed = SPEED_10;
+ }
+
+ return 0;
+}
+
static int rtl8211x_startup(struct phy_device *phydev)
{
+ int ret;
+
/* Read the Status (2x to make sure link is right) */
- genphy_update_link(phydev);
- rtl8211x_parse_status(phydev);
+ ret = genphy_update_link(phydev);
+ if (ret)
+ return ret;
- return 0;
+ return rtl8211x_parse_status(phydev);
+}
+
+static int rtl8211e_startup(struct phy_device *phydev)
+{
+ int ret;
+
+ ret = genphy_update_link(phydev);
+ if (ret)
+ return ret;
+
+ return genphy_parse_link(phydev);
+}
+
+static int rtl8211f_startup(struct phy_device *phydev)
+{
+ int ret;
+
+ /* Read the Status (2x to make sure link is right) */
+ ret = genphy_update_link(phydev);
+ if (ret)
+ return ret;
+ /* Read the Status (2x to make sure link is right) */
+
+ return rtl8211f_parse_status(phydev);
}
/* Support for RTL8211B PHY */
static struct phy_driver RTL8211B_driver = {
.name = "RealTek RTL8211B",
- .uid = 0x1cc910,
+ .uid = 0x1cc912,
.mask = 0xffffff,
.features = PHY_GBIT_FEATURES,
+ .probe = &rtl8211b_probe,
.config = &rtl8211x_config,
.startup = &rtl8211x_startup,
.shutdown = &genphy_shutdown,
.mask = 0xffffff,
.features = PHY_GBIT_FEATURES,
.config = &rtl8211x_config,
- .startup = &rtl8211x_startup,
+ .startup = &rtl8211e_startup,
.shutdown = &genphy_shutdown,
};
.shutdown = &genphy_shutdown,
};
+/* Support for RTL8211F PHY */
+static struct phy_driver RTL8211F_driver = {
+ .name = "RealTek RTL8211F",
+ .uid = 0x1cc916,
+ .mask = 0xffffff,
+ .features = PHY_GBIT_FEATURES,
+ .config = &rtl8211f_config,
+ .startup = &rtl8211f_startup,
+ .shutdown = &genphy_shutdown,
+};
+
int phy_realtek_init(void)
{
phy_register(&RTL8211B_driver);
phy_register(&RTL8211E_driver);
+ phy_register(&RTL8211F_driver);
phy_register(&RTL8211DN_driver);
return 0;
projects / oweals / u-boot.git / blobdiff