94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
|
/** @defgroup ethernet_phy_ksz8051mll_file PHY KSZ8051MLL
|
||
|
|
*
|
||
|
|
* @ingroup ETH
|
||
|
|
*
|
||
|
|
* @brief <b>Ethernet PHY STM32Fxx7 Drivers</b>
|
||
|
|
*
|
||
|
|
* @version 1.0.0
|
||
|
|
* @author @htmlonly © @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
|
||
|
|
*
|
||
|
|
* @date 1 September 2013
|
||
|
|
*
|
||
|
|
* LGPL License Terms @ref lgpl_license
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This file is part of the libopencm3 project.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
|
||
|
|
*
|
||
|
|
* This library is free software: you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
||
|
|
* the Free Software Foundation, either version 3 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This library is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public License
|
||
|
|
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <libopencm3/ethernet/mac.h>
|
||
|
|
#include <libopencm3/ethernet/phy.h>
|
||
|
|
#include <libopencm3/ethernet/phy_ksz80x1.h>
|
||
|
|
|
||
|
|
|
||
|
|
/**@{*/
|
||
|
|
|
||
|
|
/*---------------------------------------------------------------------------*/
|
||
|
|
/** @brief Get the current link status
|
||
|
|
*
|
||
|
|
* Retrieve the link speed and duplex status of the link.
|
||
|
|
*
|
||
|
|
* @param[in] phy uint8_t phy ID of the PHY
|
||
|
|
* @returns ::phy_status Link status
|
||
|
|
*/
|
||
|
|
enum phy_status phy_link_status(uint8_t phy)
|
||
|
|
{
|
||
|
|
return eth_smi_read(phy, KSZ80X1_CR1) & 0x07;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*---------------------------------------------------------------------------*/
|
||
|
|
/** @brief Force autonegotiation
|
||
|
|
*
|
||
|
|
* Force the autonegotiation and set link speed and duplex mode of the link
|
||
|
|
*
|
||
|
|
* @param[in] phy uint8_t phy ID of the PHY
|
||
|
|
* @param[in] mode enum phy_status Desired link status
|
||
|
|
*/
|
||
|
|
void phy_autoneg_force(uint8_t phy, enum phy_status mode)
|
||
|
|
{
|
||
|
|
uint16_t bst = 0;
|
||
|
|
|
||
|
|
if ((mode == LINK_FD_10M) || (mode == LINK_FD_100M) ||
|
||
|
|
(mode == LINK_FD_1000M) || (mode == LINK_FD_10000M)) {
|
||
|
|
bst |= PHY_REG_BCR_FD;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((mode == LINK_FD_100M) || (mode == LINK_HD_100M)) {
|
||
|
|
bst |= PHY_REG_BCR_100M;
|
||
|
|
}
|
||
|
|
|
||
|
|
eth_smi_bit_op(phy, PHY_REG_BCR, bst,
|
||
|
|
~(PHY_REG_BCR_AN | PHY_REG_BCR_100M | PHY_REG_BCR_FD));
|
||
|
|
}
|
||
|
|
|
||
|
|
/*---------------------------------------------------------------------------*/
|
||
|
|
/** @brief Enable the autonegotiation
|
||
|
|
*
|
||
|
|
* Enable the autonegotiation of the link speed and duplex mode
|
||
|
|
*
|
||
|
|
* @param[in] phy uint8_t phy ID of the PHY
|
||
|
|
*/
|
||
|
|
void phy_autoneg_enable(uint8_t phy)
|
||
|
|
{
|
||
|
|
eth_smi_bit_set(phy, PHY_REG_BCR, PHY_REG_BCR_AN | PHY_REG_BCR_ANRST);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*---------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
/**@}*/
|