163 lines
6.6 KiB
C
163 lines
6.6 KiB
C
// Copyright 2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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/******************Basic PHY Registers*******************/
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/**
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* @brief BMCR(Basic Mode Control Register)
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*
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*/
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typedef union {
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struct {
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uint32_t reserved : 7; /*!< Reserved */
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uint32_t collision_test : 1; /*!< Collision test */
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uint32_t duplex_mode : 1; /*!< Duplex mode:Full Duplex(1) and Half Duplex(0) */
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uint32_t restart_auto_nego : 1; /*!< Restart auto-negotiation */
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uint32_t isolate : 1; /*!< Isolate the PHY from MII except the SMI interface */
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uint32_t power_down : 1; /*!< Power off PHY except SMI interface */
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uint32_t en_auto_nego : 1; /*!< Enable auto negotiation */
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uint32_t speed_select : 1; /*!< Select speed: 100Mbps(1) and 10Mbps(0) */
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uint32_t en_loopback : 1; /*!< Enables transmit data to be routed to the receive path */
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uint32_t reset : 1; /*!< Reset PHY registers. This bit is self-clearing. */
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};
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uint32_t val;
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} bmcr_reg_t;
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#define ETH_PHY_BMCR_REG_ADDR (0x00)
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/**
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* @brief BMSR(Basic Mode Status Register)
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*
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*/
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typedef union {
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struct {
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uint32_t ext_capability : 1; /*!< Extended register capability */
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uint32_t jabber_detect : 1; /*!< Jabber condition detected */
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uint32_t link_status : 1; /*!< Link status */
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uint32_t auto_nego_ability : 1; /*!< Auto negotiation ability */
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uint32_t remote_fault : 1; /*!< Remote fault detected */
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uint32_t auto_nego_complete : 1; /*!< Auto negotiation completed */
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uint32_t mf_preamble_suppress : 1; /*!< Preamble suppression capability for management frame */
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uint32_t reserved : 1; /*!< Reserved */
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uint32_t ext_status : 1; /*!< Extended Status */
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uint32_t base100_t2_hdx : 1; /*!< 100Base-T2 Half Duplex capability */
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uint32_t base100_t2_fdx : 1; /*!< 100Base-T2 Full Duplex capability */
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uint32_t base10_t_hdx : 1; /*!< 10Base-T Half Duplex capability */
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uint32_t base10_t_fdx : 1; /*!< 10Base-T Full Duplex capability */
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uint32_t base100_tx_hdx : 1; /*!< 100Base-Tx Half Duplex capability */
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uint32_t base100_tx_fdx : 1; /*!< 100Base-Tx Full Duplex capability */
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uint32_t based100_t4 : 1; /*!< 100Base-T4 capability */
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};
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uint32_t val;
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} bmsr_reg_t;
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#define ETH_PHY_BMSR_REG_ADDR (0x01)
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/**
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* @brief PHYIDR1(PHY Identifier Register 1)
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*
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*/
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typedef union {
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struct {
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uint32_t oui_msb : 16; /*!< Organizationally Unique Identifier(OUI) most significant bits */
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};
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uint32_t val;
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} phyidr1_reg_t;
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#define ETH_PHY_IDR1_REG_ADDR (0x02)
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/**
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* @brief PHYIDR2(PHY Identifier Register 2)
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*
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*/
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typedef union {
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struct {
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uint32_t model_revision : 4; /*!< Model revision number */
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uint32_t vendor_model : 6; /*!< Vendor model number */
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uint32_t oui_lsb : 6; /*!< Organizationally Unique Identifier(OUI) least significant bits */
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};
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uint32_t val;
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} phyidr2_reg_t;
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#define ETH_PHY_IDR2_REG_ADDR (0x03)
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/**
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* @brief ANAR(Auto-Negotiation Advertisement Register)
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*
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*/
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typedef union {
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struct {
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uint32_t protocol_select : 5; /*!< Binary encoded selector supported by this PHY */
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uint32_t base10_t : 1; /*!< 10Base-T support */
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uint32_t base10_t_fd : 1; /*!< 10Base-T full duplex support */
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uint32_t base100_tx : 1; /*!< 100Base-TX support */
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uint32_t base100_tx_fd : 1; /*!< 100Base-TX full duplex support */
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uint32_t base100_t4 : 1; /*!< 100Base-T4 support */
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uint32_t symmetric_pause : 1; /*!< Symmetric pause support for full duplex links */
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uint32_t asymmetric_pause : 1; /*!< Asymmetric pause support for full duplex links */
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uint32_t reserved1 : 1; /*!< Reserved */
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uint32_t remote_fault : 1; /*!< Advertise remote fault detection capability */
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uint32_t acknowledge : 1; /*!< Link partner ability data reception acknowledged */
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uint32_t next_page : 1; /*!< Next page indication, if set, next page transfer is desired */
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};
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uint32_t val;
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} anar_reg_t;
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#define ETH_PHY_ANAR_REG_ADDR (0x04)
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/**
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* @brief ANLPAR(Auto-Negotiation Link Partner Ability Register)
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*
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*/
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typedef union {
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struct {
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uint32_t protocol_select : 5; /*!< Link Partner’s binary encoded node selector */
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uint32_t base10_t : 1; /*!< 10Base-T support */
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uint32_t base10_t_fd : 1; /*!< 10Base-T full duplex support */
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uint32_t base100_tx : 1; /*!< 100Base-TX support */
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uint32_t base100_tx_fd : 1; /*!< 100Base-TX full duplex support */
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uint32_t base100_t4 : 1; /*!< 100Base-T4 support */
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uint32_t symmetric_pause : 1; /*!< Symmetric pause supported by Link Partner */
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uint32_t asymmetric_pause : 1; /*!< Asymmetric pause supported by Link Partner */
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uint32_t reserved : 1; /*!< Reserved */
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uint32_t remote_fault : 1; /*!< Link partner is indicating a remote fault */
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uint32_t acknowledge : 1; /*!< Acknowledges from link partner */
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uint32_t next_page : 1; /*!< Next page indication */
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};
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uint32_t val;
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} anlpar_reg_t;
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#define ETH_PHY_ANLPAR_REG_ADDR (0x05)
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/**
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* @brief ANER(Auto-Negotiate Expansion Register)
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*
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*/
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typedef union {
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struct {
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uint32_t link_partner_auto_nego_able : 1; /*!< Link partner auto-negotiation ability */
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uint32_t link_page_received : 1; /*!< Link code word page has received */
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uint32_t next_page_able : 1; /*!< Next page ablility */
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uint32_t link_partner_next_page_able : 1; /*!< Link partner next page ability */
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uint32_t parallel_detection_fault : 1; /*!< Parallel detection fault */
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uint32_t reserved : 11; /*!< Reserved */
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};
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uint32_t val;
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} aner_reg_t;
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#define ETH_PHY_ANER_REG_ADDR (0x06)
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#ifdef __cplusplus
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}
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#endif
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