+// SPDX-License-Identifier: GPL-2.0+
/*
* RealTek PHY drivers
*
- * SPDX-License-Identifier: GPL-2.0+
- *
* 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_RTL8211E_PINE64_GIGABIT_FIX BIT(2)
#define PHY_AUTONEGOTIATE_TIMEOUT 5000
#define MIIM_RTL8211F_PHYSTAT_SPDDONE 0x0800
#define MIIM_RTL8211F_PHYSTAT_LINK 0x0004
+#define MIIM_RTL8211E_CONFREG 0x1c
+#define MIIM_RTL8211E_CONFREG_TXD 0x0002
+#define MIIM_RTL8211E_CONFREG_RXD 0x0004
+#define MIIM_RTL8211E_CONFREG_MAGIC 0xb400 /* Undocumented */
+
+#define MIIM_RTL8211E_EXT_PAGE_SELECT 0x1e
+
#define MIIM_RTL8211F_PAGE_SELECT 0x1f
#define MIIM_RTL8211F_TX_DELAY 0x100
#define MIIM_RTL8211F_LCR 0x10
return 0;
}
+static int rtl8211e_probe(struct phy_device *phydev)
+{
+#ifdef CONFIG_RTL8211E_PINE64_GIGABIT_FIX
+ phydev->flags |= PHY_RTL8211E_PINE64_GIGABIT_FIX;
+#endif
+
+ return 0;
+}
+
/* RealTek RTL8211x */
static int rtl8211x_config(struct phy_device *phydev)
{
reg |= MIIM_RTL8211x_CTRL1000T_MASTER;
phy_write(phydev, MDIO_DEVAD_NONE, MII_CTRL1000, reg);
}
+ if (phydev->flags & PHY_RTL8211E_PINE64_GIGABIT_FIX) {
+ unsigned int reg;
+
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211F_PAGE_SELECT,
+ 7);
+ phy_write(phydev, MDIO_DEVAD_NONE,
+ MIIM_RTL8211E_EXT_PAGE_SELECT, 0xa4);
+ reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211E_CONFREG);
+ /* Ensure both internal delays are turned off */
+ reg &= ~(MIIM_RTL8211E_CONFREG_TXD | MIIM_RTL8211E_CONFREG_RXD);
+ /* Flip the magic undocumented bits */
+ reg |= MIIM_RTL8211E_CONFREG_MAGIC;
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211E_CONFREG, reg);
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211F_PAGE_SELECT,
+ 0);
+ }
/* read interrupt status just to clear it */
phy_read(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211x_PHY_INER);
phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
- if (phydev->interface == PHY_INTERFACE_MODE_RGMII) {
- /* enable TXDLY */
- phy_write(phydev, MDIO_DEVAD_NONE,
- MIIM_RTL8211F_PAGE_SELECT, 0xd08);
- reg = phy_read(phydev, MDIO_DEVAD_NONE, 0x11);
+ 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;
- phy_write(phydev, MDIO_DEVAD_NONE, 0x11, reg);
- /* restore to default page 0 */
- phy_write(phydev, MDIO_DEVAD_NONE,
- MIIM_RTL8211F_PAGE_SELECT, 0x0);
- }
+ 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,
.uid = 0x1cc915,
.mask = 0xffffff,
.features = PHY_GBIT_FEATURES,
+ .probe = &rtl8211e_probe,
.config = &rtl8211x_config,
.startup = &rtl8211e_startup,
.shutdown = &genphy_shutdown,