#ifndef __CB_BDK_HAL_MDIO_H__ #define __CB_BDK_HAL_MDIO_H__ /***********************license start*********************************** * Copyright (c) 2003-2017 Cavium Inc. (support@cavium.com). All rights * reserved. * * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * * Neither the name of Cavium Inc. nor the names of * its contributors may be used to endorse or promote products * derived from this software without specific prior written * permission. * * This Software, including technical data, may be subject to U.S. export * control laws, including the U.S. Export Administration Act and its * associated regulations, and may be subject to export or import * regulations in other countries. * * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT * TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES * OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR * PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, * QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK * ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU. ***********************license end**************************************/ /** * @file * * Interface to the SMI/MDIO hardware, including support for both IEEE 802.3 * clause 22 and clause 45 operations. * *
$Revision: 51350 $
* * @addtogroup hal * @{ */ /** * PHY register 0 from the 802.3 spec */ #define BDK_MDIO_PHY_REG_CONTROL 0 typedef union { uint16_t u16; struct { #if __BYTE_ORDER == __BIG_ENDIAN uint16_t reset : 1; uint16_t loopback : 1; uint16_t speed_lsb : 1; uint16_t autoneg_enable : 1; uint16_t power_down : 1; uint16_t isolate : 1; uint16_t restart_autoneg : 1; uint16_t duplex : 1; uint16_t collision_test : 1; uint16_t speed_msb : 1; uint16_t unidirectional_enable : 1; uint16_t reserved_0_4 : 5; #else uint16_t reserved_0_4 : 5; uint16_t unidirectional_enable : 1; uint16_t speed_msb : 1; uint16_t collision_test : 1; uint16_t duplex : 1; uint16_t restart_autoneg : 1; uint16_t isolate : 1; uint16_t power_down : 1; uint16_t autoneg_enable : 1; uint16_t speed_lsb : 1; uint16_t loopback : 1; uint16_t reset : 1; #endif } s; } bdk_mdio_phy_reg_control_t; /** * PHY register 1 from the 802.3 spec */ #define BDK_MDIO_PHY_REG_STATUS 1 typedef union { uint16_t u16; struct { #if __BYTE_ORDER == __BIG_ENDIAN uint16_t capable_100base_t4 : 1; uint16_t capable_100base_x_full : 1; uint16_t capable_100base_x_half : 1; uint16_t capable_10_full : 1; uint16_t capable_10_half : 1; uint16_t capable_100base_t2_full : 1; uint16_t capable_100base_t2_half : 1; uint16_t capable_extended_status : 1; uint16_t capable_unidirectional : 1; uint16_t capable_mf_preamble_suppression : 1; uint16_t autoneg_complete : 1; uint16_t remote_fault : 1; uint16_t capable_autoneg : 1; uint16_t link_status : 1; uint16_t jabber_detect : 1; uint16_t capable_extended_registers : 1; #else uint16_t capable_extended_registers : 1; uint16_t jabber_detect : 1; uint16_t link_status : 1; uint16_t capable_autoneg : 1; uint16_t remote_fault : 1; uint16_t autoneg_complete : 1; uint16_t capable_mf_preamble_suppression : 1; uint16_t capable_unidirectional : 1; uint16_t capable_extended_status : 1; uint16_t capable_100base_t2_half : 1; uint16_t capable_100base_t2_full : 1; uint16_t capable_10_half : 1; uint16_t capable_10_full : 1; uint16_t capable_100base_x_half : 1; uint16_t capable_100base_x_full : 1; uint16_t capable_100base_t4 : 1; #endif } s; } bdk_mdio_phy_reg_status_t; /** * PHY register 2 from the 802.3 spec */ #define BDK_MDIO_PHY_REG_ID1 2 typedef union { uint16_t u16; struct { uint16_t oui_bits_3_18; } s; } bdk_mdio_phy_reg_id1_t; /** * PHY register 3 from the 802.3 spec */ #define BDK_MDIO_PHY_REG_ID2 3 typedef union { uint16_t u16; struct { #if __BYTE_ORDER == __BIG_ENDIAN uint16_t oui_bits_19_24 : 6; uint16_t model : 6; uint16_t revision : 4; #else uint16_t revision : 4; uint16_t model : 6; uint16_t oui_bits_19_24 : 6; #endif } s; } bdk_mdio_phy_reg_id2_t; /** * PHY register 4 from the 802.3 spec */ #define BDK_MDIO_PHY_REG_AUTONEG_ADVER 4 typedef union { uint16_t u16; struct { #if __BYTE_ORDER == __BIG_ENDIAN uint16_t next_page : 1; uint16_t reserved_14 : 1; uint16_t remote_fault : 1; uint16_t reserved_12 : 1; uint16_t asymmetric_pause : 1; uint16_t pause : 1; uint16_t advert_100base_t4 : 1; uint16_t advert_100base_tx_full : 1; uint16_t advert_100base_tx_half : 1; uint16_t advert_10base_tx_full : 1; uint16_t advert_10base_tx_half : 1; uint16_t selector : 5; #else uint16_t selector : 5; uint16_t advert_10base_tx_half : 1; uint16_t advert_10base_tx_full : 1; uint16_t advert_100base_tx_half : 1; uint16_t advert_100base_tx_full : 1; uint16_t advert_100base_t4 : 1; uint16_t pause : 1; uint16_t asymmetric_pause : 1; uint16_t reserved_12 : 1; uint16_t remote_fault : 1; uint16_t reserved_14 : 1; uint16_t next_page : 1; #endif } s; } bdk_mdio_phy_reg_autoneg_adver_t; /** * PHY register 5 from the 802.3 spec */ #define BDK_MDIO_PHY_REG_LINK_PARTNER_ABILITY 5 typedef union { uint16_t u16; struct { #if __BYTE_ORDER == __BIG_ENDIAN uint16_t next_page : 1; uint16_t ack : 1; uint16_t remote_fault : 1; uint16_t reserved_12 : 1; uint16_t asymmetric_pause : 1; uint16_t pause : 1; uint16_t advert_100base_t4 : 1; uint16_t advert_100base_tx_full : 1; uint16_t advert_100base_tx_half : 1; uint16_t advert_10base_tx_full : 1; uint16_t advert_10base_tx_half : 1; uint16_t selector : 5; #else uint16_t selector : 5; uint16_t advert_10base_tx_half : 1; uint16_t advert_10base_tx_full : 1; uint16_t advert_100base_tx_half : 1; uint16_t advert_100base_tx_full : 1; uint16_t advert_100base_t4 : 1; uint16_t pause : 1; uint16_t asymmetric_pause : 1; uint16_t reserved_12 : 1; uint16_t remote_fault : 1; uint16_t ack : 1; uint16_t next_page : 1; #endif } s; } bdk_mdio_phy_reg_link_partner_ability_t; /** * PHY register 6 from the 802.3 spec */ #define BDK_MDIO_PHY_REG_AUTONEG_EXPANSION 6 typedef union { uint16_t u16; struct { #if __BYTE_ORDER == __BIG_ENDIAN uint16_t reserved_5_15 : 11; uint16_t parallel_detection_fault : 1; uint16_t link_partner_next_page_capable : 1; uint16_t local_next_page_capable : 1; uint16_t page_received : 1; uint16_t link_partner_autoneg_capable : 1; #else uint16_t link_partner_autoneg_capable : 1; uint16_t page_received : 1; uint16_t local_next_page_capable : 1; uint16_t link_partner_next_page_capable : 1; uint16_t parallel_detection_fault : 1; uint16_t reserved_5_15 : 11; #endif } s; } bdk_mdio_phy_reg_autoneg_expansion_t; /** * PHY register 9 from the 802.3 spec */ #define BDK_MDIO_PHY_REG_CONTROL_1000 9 typedef union { uint16_t u16; struct { #if __BYTE_ORDER == __BIG_ENDIAN uint16_t test_mode : 3; uint16_t manual_master_slave : 1; uint16_t master : 1; uint16_t port_type : 1; uint16_t advert_1000base_t_full : 1; uint16_t advert_1000base_t_half : 1; uint16_t reserved_0_7 : 8; #else uint16_t reserved_0_7 : 8; uint16_t advert_1000base_t_half : 1; uint16_t advert_1000base_t_full : 1; uint16_t port_type : 1; uint16_t master : 1; uint16_t manual_master_slave : 1; uint16_t test_mode : 3; #endif } s; } bdk_mdio_phy_reg_control_1000_t; /** * PHY register 10 from the 802.3 spec */ #define BDK_MDIO_PHY_REG_STATUS_1000 10 typedef union { uint16_t u16; struct { #if __BYTE_ORDER == __BIG_ENDIAN uint16_t master_slave_fault : 1; uint16_t is_master : 1; uint16_t local_receiver_ok : 1; uint16_t remote_receiver_ok : 1; uint16_t remote_capable_1000base_t_full : 1; uint16_t remote_capable_1000base_t_half : 1; uint16_t reserved_8_9 : 2; uint16_t idle_error_count : 8; #else uint16_t idle_error_count : 8; uint16_t reserved_8_9 : 2; uint16_t remote_capable_1000base_t_half : 1; uint16_t remote_capable_1000base_t_full : 1; uint16_t remote_receiver_ok : 1; uint16_t local_receiver_ok : 1; uint16_t is_master : 1; uint16_t master_slave_fault : 1; #endif } s; } bdk_mdio_phy_reg_status_1000_t; /** * PHY register 15 from the 802.3 spec */ #define BDK_MDIO_PHY_REG_EXTENDED_STATUS 15 typedef union { uint16_t u16; struct { #if __BYTE_ORDER == __BIG_ENDIAN uint16_t capable_1000base_x_full : 1; uint16_t capable_1000base_x_half : 1; uint16_t capable_1000base_t_full : 1; uint16_t capable_1000base_t_half : 1; uint16_t reserved_0_11 : 12; #else uint16_t reserved_0_11 : 12; uint16_t capable_1000base_t_half : 1; uint16_t capable_1000base_t_full : 1; uint16_t capable_1000base_x_half : 1; uint16_t capable_1000base_x_full : 1; #endif } s; } bdk_mdio_phy_reg_extended_status_t; /** * PHY register 13 from the 802.3 spec */ #define BDK_MDIO_PHY_REG_MMD_CONTROL 13 typedef union { uint16_t u16; struct { #if __BYTE_ORDER == __BIG_ENDIAN uint16_t function : 2; uint16_t reserved_5_13 : 9; uint16_t devad : 5; #else uint16_t devad : 5; uint16_t reserved_5_13 : 9; uint16_t function : 2; #endif } s; } bdk_mdio_phy_reg_mmd_control_t; /** * PHY register 14 from the 802.3 spec */ #define BDK_MDIO_PHY_REG_MMD_ADDRESS_DATA 14 typedef union { uint16_t u16; struct { uint16_t address_data : 16; } s; } bdk_mdio_phy_reg_mmd_address_data_t; /* MMD identifiers, mostly for accessing devices within XENPAK modules. */ #define BDK_MMD_DEVICE_PMA_PMD 1 #define BDK_MMD_DEVICE_WIS 2 #define BDK_MMD_DEVICE_PCS 3 #define BDK_MMD_DEVICE_PHY_XS 4 #define BDK_MMD_DEVICE_DTS_XS 5 #define BDK_MMD_DEVICE_TC 6 #define BDK_MMD_DEVICE_CL22_EXT 29 #define BDK_MMD_DEVICE_VENDOR_1 30 #define BDK_MMD_DEVICE_VENDOR_2 31 /** * Perform an MII read. This function is used to read PHY * registers controlling auto negotiation. * * @param node Node to use in a Numa setup. Can be an exact ID or a special * value. * @param bus_id MDIO bus number. Zero on most chips, but some chips (ex CN56XX) * support multiple busses. * @param phy_id The MII phy id * @param location Register location to read * * @return Result from the read or -1 on failure */ extern int bdk_mdio_read(bdk_node_t node, int bus_id, int phy_id, int location); /** * Perform an MII write. This function is used to write PHY * registers controlling auto negotiation. * * @param node Node to use in a Numa setup. Can be an exact ID or a special * value. * @param bus_id MDIO bus number. Zero on most chips, but some chips (ex CN56XX) * support multiple busses. * @param phy_id The MII phy id * @param location Register location to write * @param val Value to write * * @return -1 on error * 0 on success */ extern int bdk_mdio_write(bdk_node_t node, int bus_id, int phy_id, int location, int val); /** * Perform an IEEE 802.3 clause 45 MII read. This function is used to read PHY * registers controlling auto negotiation. * * @param node Node to use in a Numa setup. Can be an exact ID or a special * value. * @param bus_id MDIO bus number. Zero on most chips, but some chips (ex CN56XX) * support multiple busses. * @param phy_id The MII phy id * @param device MDIO Manageable Device (MMD) id * @param location Register location to read * * @return Result from the read or -1 on failure */ extern int bdk_mdio_45_read(bdk_node_t node, int bus_id, int phy_id, int device, int location); /** * Perform an IEEE 802.3 clause 45 MII write. This function is used to write PHY * registers controlling auto negotiation. * * @param node Node to use in a Numa setup. Can be an exact ID or a special * value. * @param bus_id MDIO bus number. Zero on most chips, but some chips (ex CN56XX) * support multiple busses. * @param phy_id The MII phy id * @param device MDIO Manageable Device (MMD) id * @param location Register location to write * @param val Value to write * * @return -1 on error * 0 on success */ extern int bdk_mdio_45_write(bdk_node_t node, int bus_id, int phy_id, int device, int location, int val); int bdk_mdio_init(bdk_node_t node); /** @} */ #endif