1 /* SPDX-License-Identifier: GPL-2.0 OR IBM-pibs */ 2 /* 3 * Additions (C) Copyright 2009 Industrie Dial Face S.p.A. 4 */ 5 /*----------------------------------------------------------------------------+ 6 | 7 | File Name: miiphy.h 8 | 9 | Function: Include file defining PHY registers. 10 | 11 | Author: Mark Wisner 12 | 13 +----------------------------------------------------------------------------*/ 14 #ifndef _miiphy_h_ 15 #define _miiphy_h_ 16 17 #include <common.h> 18 #include <linux/mii.h> 19 #include <linux/list.h> 20 #include <net.h> 21 #include <phy.h> 22 23 int miiphy_read(const char *devname, unsigned char addr, unsigned char reg, 24 unsigned short *value); 25 int miiphy_write(const char *devname, unsigned char addr, unsigned char reg, 26 unsigned short value); 27 int miiphy_info(const char *devname, unsigned char addr, unsigned int *oui, 28 unsigned char *model, unsigned char *rev); 29 int miiphy_reset(const char *devname, unsigned char addr); 30 int miiphy_speed(const char *devname, unsigned char addr); 31 int miiphy_duplex(const char *devname, unsigned char addr); 32 int miiphy_is_1000base_x(const char *devname, unsigned char addr); 33 #ifdef CONFIG_SYS_FAULT_ECHO_LINK_DOWN 34 int miiphy_link(const char *devname, unsigned char addr); 35 #endif 36 37 void miiphy_init(void); 38 39 int miiphy_set_current_dev(const char *devname); 40 const char *miiphy_get_current_dev(void); 41 struct mii_dev *mdio_get_current_dev(void); 42 struct mii_dev *miiphy_get_dev_by_name(const char *devname); 43 struct phy_device *mdio_phydev_for_ethname(const char *devname); 44 45 void miiphy_listdev(void); 46 47 struct mii_dev *mdio_alloc(void); 48 void mdio_free(struct mii_dev *bus); 49 int mdio_register(struct mii_dev *bus); 50 51 /** 52 * mdio_register_seq - Register mdio bus with sequence number 53 * @bus: mii device structure 54 * @seq: sequence number 55 * 56 * Return: 0 if success, negative value if error 57 */ 58 int mdio_register_seq(struct mii_dev *bus, int seq); 59 int mdio_unregister(struct mii_dev *bus); 60 void mdio_list_devices(void); 61 62 #ifdef CONFIG_BITBANGMII 63 64 #define BB_MII_DEVNAME "bb_miiphy" 65 66 struct bb_miiphy_bus { 67 char name[16]; 68 int (*init)(struct bb_miiphy_bus *bus); 69 int (*mdio_active)(struct bb_miiphy_bus *bus); 70 int (*mdio_tristate)(struct bb_miiphy_bus *bus); 71 int (*set_mdio)(struct bb_miiphy_bus *bus, int v); 72 int (*get_mdio)(struct bb_miiphy_bus *bus, int *v); 73 int (*set_mdc)(struct bb_miiphy_bus *bus, int v); 74 int (*delay)(struct bb_miiphy_bus *bus); 75 #ifdef CONFIG_BITBANGMII_MULTI 76 void *priv; 77 #endif 78 }; 79 80 extern struct bb_miiphy_bus bb_miiphy_buses[]; 81 extern int bb_miiphy_buses_num; 82 83 void bb_miiphy_init(void); 84 int bb_miiphy_read(struct mii_dev *miidev, int addr, int devad, int reg); 85 int bb_miiphy_write(struct mii_dev *miidev, int addr, int devad, int reg, 86 u16 value); 87 #endif 88 89 /* phy seed setup */ 90 #define AUTO 99 91 #define _1000BASET 1000 92 #define _100BASET 100 93 #define _10BASET 10 94 #define HALF 22 95 #define FULL 44 96 97 /* phy register offsets */ 98 #define MII_MIPSCR 0x11 99 100 /* MII_LPA */ 101 #define PHY_ANLPAR_PSB_802_3 0x0001 102 #define PHY_ANLPAR_PSB_802_9 0x0002 103 104 /* MII_CTRL1000 masks */ 105 #define PHY_1000BTCR_1000FD 0x0200 106 #define PHY_1000BTCR_1000HD 0x0100 107 108 /* MII_STAT1000 masks */ 109 #define PHY_1000BTSR_MSCF 0x8000 110 #define PHY_1000BTSR_MSCR 0x4000 111 #define PHY_1000BTSR_LRS 0x2000 112 #define PHY_1000BTSR_RRS 0x1000 113 #define PHY_1000BTSR_1000FD 0x0800 114 #define PHY_1000BTSR_1000HD 0x0400 115 116 /* phy EXSR */ 117 #define ESTATUS_1000XF 0x8000 118 #define ESTATUS_1000XH 0x4000 119 120 #endif 121