micropython/ports/stm32/eth_phy.h

68 wiersze
2.4 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019 Damien P. George
* Copyright (c) 2024 Robert Hammelrath
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MICROPY_INCLUDED_STM32_PHY_H
#define MICROPY_INCLUDED_STM32_PYH_H
#if defined(MICROPY_HW_ETH_MDC)
// Common ETH PHY register definitions
#undef PHY_BCR
#define PHY_BCR (0x0000)
#define PHY_BCR_SOFT_RESET (0x8000)
#define PHY_BCR_AUTONEG_EN (0x1000)
#define PHY_BCR_POWER_DOWN (0x0800U)
#undef PHY_BSR
#define PHY_BSR (0x0001)
#define PHY_BSR_LINK_STATUS (0x0004)
#define PHY_BSR_AUTONEG_DONE (0x0020)
#undef PHY_ANAR
#define PHY_ANAR (0x0004)
#define PHY_ANAR_SPEED_10HALF (0x0020)
#define PHY_ANAR_SPEED_10FULL (0x0040)
#define PHY_ANAR_SPEED_100HALF (0x0080)
#define PHY_ANAR_SPEED_100FULL (0x0100)
#define PHY_ANAR_IEEE802_3 (0x0001)
#define PHY_SPEED_10HALF (1)
#define PHY_SPEED_10FULL (5)
#define PHY_SPEED_100HALF (2)
#define PHY_SPEED_100FULL (6)
#define PHY_DUPLEX (4)
uint32_t eth_phy_read(uint32_t phy_addr, uint32_t reg);
void eth_phy_write(uint32_t phy_addr, uint32_t reg, uint32_t val);
int16_t eth_phy_lan87xx_get_link_status(uint32_t phy_addr);
int16_t eth_phy_dp838xx_get_link_status(uint32_t phy_addr);
#endif
#endif // MICROPY_INCLUDED_STM32_PHY_H