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Diffstat (limited to 'arch/mips/mach-octeon/include/mach/octeon_eth.h')
| -rw-r--r-- | arch/mips/mach-octeon/include/mach/octeon_eth.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/arch/mips/mach-octeon/include/mach/octeon_eth.h b/arch/mips/mach-octeon/include/mach/octeon_eth.h new file mode 100644 index 0000000000..bfef0a6e9f --- /dev/null +++ b/arch/mips/mach-octeon/include/mach/octeon_eth.h @@ -0,0 +1,141 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020 Marvell International Ltd. + */ + +#ifndef __OCTEON_ETH_H__ +#define __OCTEON_ETH_H__ + +#include <phy.h> +#include <miiphy.h> + +#include <mach/cvmx-helper.h> +#include <mach/cvmx-helper-board.h> +#include <mach/octeon_fdt.h> + +struct eth_device; + +/** Ethernet device private data structure for octeon ethernet */ +struct octeon_eth_info { + u64 link_state; + u32 port; /** ipd port */ + u32 interface; /** Port interface */ + u32 index; /** port index on interface */ + int node; /** OCX node number */ + u32 initted_flag; /** 0 if port not initialized */ + struct mii_dev *mii_bus; /** MII bus for PHY */ + struct phy_device *phydev; /** PHY device */ + struct eth_device *ethdev; /** Eth device this priv is part of */ + int mii_addr; + int phy_fdt_offset; /** Offset of PHY info in device tree */ + int fdt_offset; /** Offset of Eth interface in DT */ + int phy_offset; /** Offset of PHY dev in device tree */ + enum cvmx_phy_type phy_device_type; /** Type of PHY */ + /* current link status, use to reconfigure on status changes */ + u64 packets_sent; + u64 packets_received; + u32 link_speed : 2; + u32 link_duplex : 1; + u32 link_status : 1; + u32 loopback : 1; + u32 enabled : 1; + u32 is_c45 : 1; /** Set if we need to use clause 45 */ + u32 vitesse_sfp_config : 1; /** Need Vitesse SFP config */ + u32 ti_gpio_config : 1; /** Need TI GPIO config */ + u32 bgx_mac_set : 1; /** Has the BGX MAC been set already */ + u64 last_bgx_mac; /** Last BGX MAC address set */ + u64 gmx_base; /** Base address to access GMX CSRs */ + bool mod_abs; /** True if module is absent */ + + /** + * User defined function to check if a SFP+ module is absent or not. + * + * @param dev Ethernet device + * @param data User supplied data + */ + int (*check_mod_abs)(struct eth_device *dev, void *data); + + /** User supplied data for check_mod_abs */ + void *mod_abs_data; + /** + * Called to check the status of a port. This is used for some + * Vitesse and Inphi phys to probe the sFP adapter. + */ + int (*phy_port_check)(struct phy_device *dev); + /** + * Called whenever mod_abs changes state + * + * @param dev Ethernet device + * @param mod_abs True if module is absent + * + * @return 0 for success, otherwise error + */ + int (*mod_abs_changed)(struct eth_device *dev, bool mod_abs); + /** SDK phy information data structure */ + cvmx_phy_info_t phy_info; +#ifdef CONFIG_OCTEON_SFP + /** Information about connected SFP/SFP+/SFP28/QSFP+/QSFP28 module */ + struct octeon_sfp_info sfp; +#endif +}; + +/** + * Searches for an ethernet device based on interface and index. + * + * @param interface - interface number to search for + * @param index - index to search for + * + * @returns pointer to ethernet device or NULL if not found. + */ +struct eth_device *octeon_find_eth_by_interface_index(int interface, int index); + +/** + * User-defined function called when the link state changes + * + * @param[in] dev Ethernet device + * @param link_state new link state + * + * NOTE: This is defined as a weak function. + */ +void board_net_set_link(struct eth_device *dev, cvmx_helper_link_info_t link_state); + +/** + * Registers a function to be called when the link goes down. The function is + * often used for things like reading the SFP+ EEPROM. + * + * @param dev Ethernet device + * @param phy_port_check Function to call + */ +void octeon_eth_register_phy_port_check(struct eth_device *dev, + int (*phy_port_check)(struct phy_device *dev)); + +/** + * This weak function is called after the phy driver is connected but before + * it is initialized. + * + * @param dev Ethernet device for phy + * + * @return 0 to continue, or -1 for error to stop setting up the phy + */ +int octeon_eth_board_post_setup_phy(struct eth_device *dev); + +/** + * Registers a function to be called whenever a mod_abs change is detected. + * + * @param dev Ethernet device + * @param mod_abs_changed Function to be called + */ +void octeon_eth_register_mod_abs_changed(struct eth_device *dev, + int (*mod_abs_changed)(struct eth_device *dev, + bool mod_abs)); + +/** + * Checks for state changes with the link state or module state + * + * @param dev Ethernet device to check + * + * NOTE: If the module state is changed then the module callback is called. + */ +void octeon_phy_port_check(struct eth_device *dev); + +#endif /* __OCTEON_ETH_H__ */ |