1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2020-2022 Marvell International Ltd. 4 */ 5 6 #ifndef __OCTEON_ETH_H__ 7 #define __OCTEON_ETH_H__ 8 9 #include <mach/cvmx-helper.h> 10 #include <mach/cvmx-helper-board.h> 11 12 struct eth_device; 13 14 /** Ethernet device private data structure for octeon ethernet */ 15 struct octeon_eth_info { 16 u64 link_state; 17 u32 port; /** ipd port */ 18 u32 interface; /** Port interface */ 19 u32 index; /** port index on interface */ 20 int node; /** OCX node number */ 21 u32 initted_flag; /** 0 if port not initialized */ 22 struct mii_dev *mii_bus; /** MII bus for PHY */ 23 struct phy_device *phydev; /** PHY device */ 24 struct eth_device *ethdev; /** Eth device this priv is part of */ 25 int mii_addr; 26 int phy_fdt_offset; /** Offset of PHY info in device tree */ 27 int fdt_offset; /** Offset of Eth interface in DT */ 28 int phy_offset; /** Offset of PHY device in device tree */ 29 enum cvmx_phy_type phy_device_type; /** Type of PHY */ 30 /* current link status, use to reconfigure on status changes */ 31 u64 packets_sent; 32 u64 packets_received; 33 uint32_t link_speed : 2; 34 uint32_t link_duplex : 1; 35 uint32_t link_status : 1; 36 uint32_t loopback : 1; 37 uint32_t enabled : 1; 38 uint32_t is_c45 : 1; /** Set if we need to use clause 45 */ 39 uint32_t vitesse_sfp_config : 1; /** Need Vitesse SFP config */ 40 uint32_t ti_gpio_config : 1; /** Need TI GPIO configuration */ 41 uint32_t bgx_mac_set : 1; /** Has the BGX MAC been set already */ 42 u64 last_bgx_mac; /** Last BGX MAC address set */ 43 u64 gmx_base; /** Base address to access GMX CSRs */ 44 bool mod_abs; /** True if module is absent */ 45 46 /** User supplied data for check_mod_abs */ 47 void *mod_abs_data; 48 /** 49 * Called to check the status of a port. This is used for some 50 * Vitesse and Inphi phys to probe the sFP adapter. 51 */ 52 int (*phy_port_check)(struct phy_device *dev); 53 /** 54 * Called whenever mod_abs changes state 55 * 56 * @param dev Ethernet device 57 * @param mod_abs True if module is absent 58 * 59 * @return 0 for success, otherwise error 60 */ 61 int (*mod_abs_changed)(struct eth_device *dev, bool mod_abs); 62 63 /** SDK phy information data structure */ 64 cvmx_phy_info_t phy_info; 65 66 struct udevice *mdio_dev; 67 struct mii_dev *bus; 68 struct phy_device *phy_dev; 69 70 #ifdef CONFIG_OCTEON_SFP 71 /** Information about connected SFP/SFP+/SFP28/QSFP+/QSFP28 module */ 72 struct octeon_sfp_info sfp; 73 #endif 74 75 cvmx_wqe_t *work; 76 }; 77 78 /** 79 * Searches for an ethernet device based on interface and index. 80 * 81 * @param interface - interface number to search for 82 * @param index - index to search for 83 * 84 * @returns pointer to ethernet device or NULL if not found. 85 */ 86 struct eth_device *octeon_find_eth_by_interface_index(int interface, int index); 87 88 /** 89 * User-defined function called when the link state changes 90 * 91 * @param[in] dev Ethernet device 92 * @param link_state new link state 93 * 94 * NOTE: This is defined as a weak function. 95 */ 96 void board_net_set_link(struct eth_device *dev, cvmx_helper_link_info_t link_state); 97 98 /** 99 * Registers a function to be called when the link goes down. The function is 100 * often used for things like reading the SFP+ EEPROM. 101 * 102 * @param dev Ethernet device 103 * @param phy_port_check Function to call 104 */ 105 void octeon_eth_register_phy_port_check(struct eth_device *dev, 106 int (*phy_port_check)(struct phy_device *dev)); 107 108 /** 109 * This weak function is called after the phy driver is connected but before 110 * it is initialized. 111 * 112 * @param dev Ethernet device for phy 113 * 114 * Return: 0 to continue, or -1 for error to stop setting up the phy 115 */ 116 int octeon_eth_board_post_setup_phy(struct eth_device *dev); 117 118 /** 119 * Registers a function to be called whenever a mod_abs change is detected. 120 * 121 * @param dev Ethernet device 122 * @param mod_abs_changed Function to be called 123 */ 124 void octeon_eth_register_mod_abs_changed(struct eth_device *dev, 125 int (*mod_abs_changed)(struct eth_device *dev, 126 bool mod_abs)); 127 128 /** 129 * Checks for state changes with the link state or module state 130 * 131 * @param dev Ethernet device to check 132 * 133 * NOTE: If the module state is changed then the module callback is called. 134 */ 135 void octeon_phy_port_check(struct udevice *dev); 136 137 #endif /* __OCTEON_ETH_H__ */ 138