+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2011 Freescale Semiconductor, Inc.
*
- * SPDX-License-Identifier: GPL-2.0+
- *
* This file pretty much stolen from Linux's mii.h/ethtool.h/phy.h
*/
#ifndef _PHY_H
#define _PHY_H
+#include <dm.h>
#include <linux/list.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/mdio.h>
+#include <phy_interface.h>
+
+#define PHY_FIXED_ID 0xa5a55a5a
+/*
+ * There is no actual id for this.
+ * This is just a dummy id for gmii2rgmmi converter.
+ */
+#define PHY_GMII2RGMII_ID 0x5a5a5a5a
#define PHY_MAX_ADDR 32
#endif
-typedef enum {
- PHY_INTERFACE_MODE_MII,
- PHY_INTERFACE_MODE_GMII,
- PHY_INTERFACE_MODE_SGMII,
- PHY_INTERFACE_MODE_SGMII_2500,
- PHY_INTERFACE_MODE_QSGMII,
- PHY_INTERFACE_MODE_TBI,
- PHY_INTERFACE_MODE_RMII,
- PHY_INTERFACE_MODE_RGMII,
- PHY_INTERFACE_MODE_RGMII_ID,
- PHY_INTERFACE_MODE_RGMII_RXID,
- PHY_INTERFACE_MODE_RGMII_TXID,
- PHY_INTERFACE_MODE_RTBI,
- PHY_INTERFACE_MODE_XGMII,
- PHY_INTERFACE_MODE_NONE, /* Must be last */
-
- PHY_INTERFACE_MODE_COUNT,
-} phy_interface_t;
-
-static const char *phy_interface_strings[] = {
- [PHY_INTERFACE_MODE_MII] = "mii",
- [PHY_INTERFACE_MODE_GMII] = "gmii",
- [PHY_INTERFACE_MODE_SGMII] = "sgmii",
- [PHY_INTERFACE_MODE_SGMII_2500] = "sgmii-2500",
- [PHY_INTERFACE_MODE_QSGMII] = "qsgmii",
- [PHY_INTERFACE_MODE_TBI] = "tbi",
- [PHY_INTERFACE_MODE_RMII] = "rmii",
- [PHY_INTERFACE_MODE_RGMII] = "rgmii",
- [PHY_INTERFACE_MODE_RGMII_ID] = "rgmii-id",
- [PHY_INTERFACE_MODE_RGMII_RXID] = "rgmii-rxid",
- [PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid",
- [PHY_INTERFACE_MODE_RTBI] = "rtbi",
- [PHY_INTERFACE_MODE_XGMII] = "xgmii",
- [PHY_INTERFACE_MODE_NONE] = "",
-};
-
-static inline const char *phy_string_for_interface(phy_interface_t i)
-{
- /* Default to unknown */
- if (i > PHY_INTERFACE_MODE_NONE)
- i = PHY_INTERFACE_MODE_NONE;
-
- return phy_interface_strings[i];
-}
-
-
struct phy_device;
#define MDIO_NAME_LEN 32
int (*readext)(struct phy_device *phydev, int addr, int devad, int reg);
int (*writeext)(struct phy_device *phydev, int addr, int devad, int reg,
u16 val);
+
+ /* Phy specific driver override for reading a MMD register */
+ int (*read_mmd)(struct phy_device *phydev, int devad, int reg);
+
+ /* Phy specific driver override for writing a MMD register */
+ int (*write_mmd)(struct phy_device *phydev, int devad, int reg,
+ u16 val);
+
struct list_head list;
+
+ /* driver private data */
+ ulong data;
};
struct phy_device {
#ifdef CONFIG_DM_ETH
struct udevice *dev;
+ ofnode node;
#else
struct eth_device *dev;
#endif
int pause;
int asym_pause;
u32 phy_id;
+ bool is_c45;
u32 flags;
};
return bus->write(bus, phydev->addr, devad, regnum, val);
}
+static inline void phy_mmd_start_indirect(struct phy_device *phydev, int devad,
+ int regnum)
+{
+ /* Write the desired MMD Devad */
+ phy_write(phydev, MDIO_DEVAD_NONE, MII_MMD_CTRL, devad);
+
+ /* Write the desired MMD register address */
+ phy_write(phydev, MDIO_DEVAD_NONE, MII_MMD_DATA, regnum);
+
+ /* Select the Function : DATA with no post increment */
+ phy_write(phydev, MDIO_DEVAD_NONE, MII_MMD_CTRL,
+ (devad | MII_MMD_CTRL_NOINCR));
+}
+
+static inline int phy_read_mmd(struct phy_device *phydev, int devad,
+ int regnum)
+{
+ struct phy_driver *drv = phydev->drv;
+
+ if (regnum > (u16)~0 || devad > 32)
+ return -EINVAL;
+
+ /* driver-specific access */
+ if (drv->read_mmd)
+ return drv->read_mmd(phydev, devad, regnum);
+
+ /* direct C45 / C22 access */
+ if ((drv->features & PHY_10G_FEATURES) == PHY_10G_FEATURES ||
+ devad == MDIO_DEVAD_NONE || !devad)
+ return phy_read(phydev, devad, regnum);
+
+ /* indirect C22 access */
+ phy_mmd_start_indirect(phydev, devad, regnum);
+
+ /* Read the content of the MMD's selected register */
+ return phy_read(phydev, MDIO_DEVAD_NONE, MII_MMD_DATA);
+}
+
+static inline int phy_write_mmd(struct phy_device *phydev, int devad,
+ int regnum, u16 val)
+{
+ struct phy_driver *drv = phydev->drv;
+
+ if (regnum > (u16)~0 || devad > 32)
+ return -EINVAL;
+
+ /* driver-specific access */
+ if (drv->write_mmd)
+ return drv->write_mmd(phydev, devad, regnum, val);
+
+ /* direct C45 / C22 access */
+ if ((drv->features & PHY_10G_FEATURES) == PHY_10G_FEATURES ||
+ devad == MDIO_DEVAD_NONE || !devad)
+ return phy_write(phydev, devad, regnum, val);
+
+ /* indirect C22 access */
+ phy_mmd_start_indirect(phydev, devad, regnum);
+
+ /* Write the data into MMD's selected register */
+ return phy_write(phydev, MDIO_DEVAD_NONE, MII_MMD_DATA, val);
+}
+
#ifdef CONFIG_PHYLIB_10G
extern struct phy_driver gen10g_driver;
#endif
+/**
+ * phy_init() - Initializes the PHY drivers
+ *
+ * This function registers all available PHY drivers
+ *
+ * @return 0 if OK, -ve on error
+ */
int phy_init(void);
+
+/**
+ * phy_reset() - Resets the specified PHY
+ *
+ * Issues a reset of the PHY and waits for it to complete
+ *
+ * @phydev: PHY to reset
+ * @return 0 if OK, -ve on error
+ */
int phy_reset(struct phy_device *phydev);
+
+/**
+ * phy_find_by_mask() - Searches for a PHY on the specified MDIO bus
+ *
+ * The function checks the PHY addresses flagged in phy_mask and returns a
+ * phy_device pointer if it detects a PHY.
+ * This function should only be called if just one PHY is expected to be present
+ * in the set of addresses flagged in phy_mask. If multiple PHYs are present,
+ * it is undefined which of these PHYs is returned.
+ *
+ * @bus: MII/MDIO bus to scan
+ * @phy_mask: bitmap of PYH addresses to scan
+ * @interface: type of MAC-PHY interface
+ * @return pointer to phy_device if a PHY is found, or NULL otherwise
+ */
struct phy_device *phy_find_by_mask(struct mii_dev *bus, unsigned phy_mask,
phy_interface_t interface);
+
#ifdef CONFIG_DM_ETH
+
+/**
+ * phy_connect_dev() - Associates the given pair of PHY and Ethernet devices
+ * @phydev: PHY device
+ * @dev: Ethernet device
+ */
void phy_connect_dev(struct phy_device *phydev, struct udevice *dev);
+
+/**
+ * phy_connect() - Creates a PHY device for the Ethernet interface
+ *
+ * Creates a PHY device for the PHY at the given address, if one doesn't exist
+ * already, and associates it with the Ethernet device.
+ * The function may be called with addr <= 0, in this case addr value is ignored
+ * and the bus is scanned to detect a PHY. Scanning should only be used if only
+ * one PHY is expected to be present on the MDIO bus, otherwise it is undefined
+ * which PHY is returned.
+ *
+ * @bus: MII/MDIO bus that hosts the PHY
+ * @addr: PHY address on MDIO bus
+ * @dev: Ethernet device to associate to the PHY
+ * @interface: type of MAC-PHY interface
+ * @return pointer to phy_device if a PHY is found, or NULL otherwise
+ */
struct phy_device *phy_connect(struct mii_dev *bus, int addr,
struct udevice *dev,
phy_interface_t interface);
+
+static inline ofnode phy_get_ofnode(struct phy_device *phydev)
+{
+ if (ofnode_valid(phydev->node))
+ return phydev->node;
+ else
+ return dev_ofnode(phydev->dev);
+}
#else
+
+/**
+ * phy_connect_dev() - Associates the given pair of PHY and Ethernet devices
+ * @phydev: PHY device
+ * @dev: Ethernet device
+ */
void phy_connect_dev(struct phy_device *phydev, struct eth_device *dev);
+
+/**
+ * phy_connect() - Creates a PHY device for the Ethernet interface
+ *
+ * Creates a PHY device for the PHY at the given address, if one doesn't exist
+ * already, and associates it with the Ethernet device.
+ * The function may be called with addr <= 0, in this case addr value is ignored
+ * and the bus is scanned to detect a PHY. Scanning should only be used if only
+ * one PHY is expected to be present on the MDIO bus, otherwise it is undefined
+ * which PHY is returned.
+ *
+ * @bus: MII/MDIO bus that hosts the PHY
+ * @addr: PHY address on MDIO bus
+ * @dev: Ethernet device to associate to the PHY
+ * @interface: type of MAC-PHY interface
+ * @return pointer to phy_device if a PHY is found, or NULL otherwise
+ */
struct phy_device *phy_connect(struct mii_dev *bus, int addr,
struct eth_device *dev,
phy_interface_t interface);
+
+static inline ofnode phy_get_ofnode(struct phy_device *phydev)
+{
+ return ofnode_null();
+}
#endif
int phy_startup(struct phy_device *phydev);
int phy_config(struct phy_device *phydev);
int gen10g_shutdown(struct phy_device *phydev);
int gen10g_discover_mmds(struct phy_device *phydev);
+int phy_b53_init(void);
+int phy_mv88e61xx_init(void);
int phy_aquantia_init(void);
int phy_atheros_init(void);
int phy_broadcom_init(void);
int phy_et1011c_init(void);
int phy_lxt_init(void);
int phy_marvell_init(void);
-int phy_micrel_init(void);
+int phy_micrel_ksz8xxx_init(void);
+int phy_micrel_ksz90x1_init(void);
+int phy_meson_gxl_init(void);
int phy_natsemi_init(void);
int phy_realtek_init(void);
int phy_smsc_init(void);
int phy_ti_init(void);
int phy_vitesse_init(void);
int phy_xilinx_init(void);
+int phy_mscc_init(void);
+int phy_fixed_init(void);
+int phy_xilinx_gmii2rgmii_init(void);
int board_phy_config(struct phy_device *phydev);
int get_phy_id(struct mii_dev *bus, int addr, int devad, u32 *phy_id);
*/
int phy_get_interface_by_name(const char *str);
+/**
+ * phy_interface_is_rgmii - Convenience function for testing if a PHY interface
+ * is RGMII (all variants)
+ * @phydev: the phy_device struct
+ */
+static inline bool phy_interface_is_rgmii(struct phy_device *phydev)
+{
+ return phydev->interface >= PHY_INTERFACE_MODE_RGMII &&
+ phydev->interface <= PHY_INTERFACE_MODE_RGMII_TXID;
+}
+
+/**
+ * phy_interface_is_sgmii - Convenience function for testing if a PHY interface
+ * is SGMII (all variants)
+ * @phydev: the phy_device struct
+ */
+static inline bool phy_interface_is_sgmii(struct phy_device *phydev)
+{
+ return phydev->interface >= PHY_INTERFACE_MODE_SGMII &&
+ phydev->interface <= PHY_INTERFACE_MODE_QSGMII;
+}
+
/* PHY UIDs for various PHYs that are referenced in external code */
-#define PHY_UID_CS4340 0x13e51002
-#define PHY_UID_TN2020 0x00a19410
+#define PHY_UID_CS4340 0x13e51002
+#define PHY_UID_CS4223 0x03e57003
+#define PHY_UID_TN2020 0x00a19410
+#define PHY_UID_IN112525_S03 0x02107440
#endif
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