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Diffstat (limited to 'include/miiphy.h')
| -rw-r--r-- | include/miiphy.h | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/include/miiphy.h b/include/miiphy.h new file mode 100644 index 0000000..9b97d09 --- /dev/null +++ b/include/miiphy.h @@ -0,0 +1,190 @@ +/* SPDX-License-Identifier: GPL-2.0 OR IBM-pibs */ +/* + * Additions (C) Copyright 2009 Industrie Dial Face S.p.A. + */ +/*----------------------------------------------------------------------------+ +| +| File Name: miiphy.h +| +| Function: Include file defining PHY registers. +| +| Author: Mark Wisner +| ++----------------------------------------------------------------------------*/ +#ifndef _miiphy_h_ +#define _miiphy_h_ + +#include <common.h> +#include <linux/mii.h> +#include <linux/list.h> +#include <net.h> +#include <phy.h> + +int miiphy_read(const char *devname, unsigned char addr, unsigned char reg, + unsigned short *value); +int miiphy_write(const char *devname, unsigned char addr, unsigned char reg, + unsigned short value); +int miiphy_info(const char *devname, unsigned char addr, unsigned int *oui, + unsigned char *model, unsigned char *rev); +int miiphy_reset(const char *devname, unsigned char addr); +int miiphy_speed(const char *devname, unsigned char addr); +int miiphy_duplex(const char *devname, unsigned char addr); +int miiphy_is_1000base_x(const char *devname, unsigned char addr); +#ifdef CONFIG_SYS_FAULT_ECHO_LINK_DOWN +int miiphy_link(const char *devname, unsigned char addr); +#endif + +void miiphy_init(void); + +int miiphy_set_current_dev(const char *devname); +const char *miiphy_get_current_dev(void); +struct mii_dev *mdio_get_current_dev(void); +struct list_head *mdio_get_list_head(void); +struct mii_dev *miiphy_get_dev_by_name(const char *devname); +struct phy_device *mdio_phydev_for_ethname(const char *devname); + +void miiphy_listdev(void); + +struct mii_dev *mdio_alloc(void); +void mdio_free(struct mii_dev *bus); +int mdio_register(struct mii_dev *bus); + +/** + * mdio_register_seq - Register mdio bus with sequence number + * @bus: mii device structure + * @seq: sequence number + * + * Return: 0 if success, negative value if error + */ +int mdio_register_seq(struct mii_dev *bus, int seq); +int mdio_unregister(struct mii_dev *bus); +void mdio_list_devices(void); + +#ifdef CONFIG_BITBANGMII + +#define BB_MII_DEVNAME "bb_miiphy" + +struct bb_miiphy_bus { + char name[16]; + int (*init)(struct bb_miiphy_bus *bus); + int (*mdio_active)(struct bb_miiphy_bus *bus); + int (*mdio_tristate)(struct bb_miiphy_bus *bus); + int (*set_mdio)(struct bb_miiphy_bus *bus, int v); + int (*get_mdio)(struct bb_miiphy_bus *bus, int *v); + int (*set_mdc)(struct bb_miiphy_bus *bus, int v); + int (*delay)(struct bb_miiphy_bus *bus); +#ifdef CONFIG_BITBANGMII_MULTI + void *priv; +#endif +}; + +extern struct bb_miiphy_bus bb_miiphy_buses[]; +extern int bb_miiphy_buses_num; + +void bb_miiphy_init(void); +int bb_miiphy_read(struct mii_dev *miidev, int addr, int devad, int reg); +int bb_miiphy_write(struct mii_dev *miidev, int addr, int devad, int reg, + u16 value); +#endif + +/* phy seed setup */ +#define AUTO 99 +#define _1000BASET 1000 +#define _100BASET 100 +#define _10BASET 10 +#define HALF 22 +#define FULL 44 + +/* phy register offsets */ +#define MII_MIPSCR 0x11 + +/* MII_LPA */ +#define PHY_ANLPAR_PSB_802_3 0x0001 +#define PHY_ANLPAR_PSB_802_9 0x0002 + +/* MII_CTRL1000 masks */ +#define PHY_1000BTCR_1000FD 0x0200 +#define PHY_1000BTCR_1000HD 0x0100 + +/* MII_STAT1000 masks */ +#define PHY_1000BTSR_MSCF 0x8000 +#define PHY_1000BTSR_MSCR 0x4000 +#define PHY_1000BTSR_LRS 0x2000 +#define PHY_1000BTSR_RRS 0x1000 +#define PHY_1000BTSR_1000FD 0x0800 +#define PHY_1000BTSR_1000HD 0x0400 + +/* phy EXSR */ +#define ESTATUS_1000XF 0x8000 +#define ESTATUS_1000XH 0x4000 + +#ifdef CONFIG_DM_MDIO + +/** + * struct mdio_perdev_priv - Per-device class data for MDIO DM + * + * @mii_bus: Supporting MII legacy bus + */ +struct mdio_perdev_priv { + struct mii_dev *mii_bus; +}; + +/** + * struct mdio_ops - MDIO bus operations + * + * @read: Read from a PHY register + * @write: Write to a PHY register + * @reset: Reset the MDIO bus, NULL if not supported + */ +struct mdio_ops { + int (*read)(struct udevice *mdio_dev, int addr, int devad, int reg); + int (*write)(struct udevice *mdio_dev, int addr, int devad, int reg, + u16 val); + int (*reset)(struct udevice *mdio_dev); +}; + +#define mdio_get_ops(dev) ((struct mdio_ops *)(dev)->driver->ops) + +/** + * dm_mdio_probe_devices - Call probe on all MII devices, currently used for + * MDIO console commands. + */ +void dm_mdio_probe_devices(void); + +/** + * dm_mdio_phy_connect - Wrapper over phy_connect for DM MDIO + * + * @dev: mdio dev + * @addr: PHY address on MDIO bus + * @ethdev: ethernet device to connect to the PHY + * @interface: MAC-PHY protocol + * + * @return pointer to phy_device, or 0 on error + */ +struct phy_device *dm_mdio_phy_connect(struct udevice *dev, int addr, + struct udevice *ethdev, + phy_interface_t interface); + +#endif + +#ifdef CONFIG_DM_MDIO_MUX + +/* indicates none of the child buses is selected */ +#define MDIO_MUX_SELECT_NONE -1 + +/** + * struct mdio_mux_ops - MDIO MUX operations + * + * @select: Selects a child bus + * @deselect: Clean up selection. Optional, can be NULL + */ +struct mdio_mux_ops { + int (*select)(struct udevice *mux, int cur, int sel); + int (*deselect)(struct udevice *mux, int sel); +}; + +#define mdio_mux_get_ops(dev) ((struct mdio_mux_ops *)(dev)->driver->ops) + +#endif + +#endif |