+++ /dev/null
-/*
-* Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
-* All rights reserved.
-*
-* Redistribution and use in source and binary forms, with or without modification,
-* are permitted provided that the following conditions are met:
-*
-* o Redistributions of source code must retain the above copyright notice, this list
-* of conditions and the following disclaimer.
-*
-* o 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.
-*
-* o Neither the name of Freescale Semiconductor, 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 IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#include "fsl_phy_driver.h"
-
-#ifndef MBED_NO_ENET
-
-/*******************************************************************************
- * Variables
- ******************************************************************************/
-
-/*! @brief Define Phy API structure for MAC application*/
-const enet_phy_api_t g_enetPhyApi =
-{
- phy_auto_discover,
- phy_init,
- phy_get_link_speed,
- phy_get_link_status,
- phy_get_link_duplex,
-};
-/*******************************************************************************
- * Code
- ******************************************************************************/
-/*FUNCTION****************************************************************
- *
- * Function Name: phy_init
- * Return Value: The execution status.
- * Description: Initialize Phy.
- * This interface provides initialize functions for Phy, This is called by enet
- * initialize function. Phy is usually deault auto-negotiation. so there is no
- * need to do the intialize about this. we just need to check the loop mode.
- *END*********************************************************************/
-uint32_t phy_init(enet_dev_if_t * enetIfPtr)
-{
- uint32_t data;
- uint32_t counter;
- uint32_t result;
-
- /* Check input parameters*/
- if (!enetIfPtr)
- {
- return kStatus_PHY_InvaildInput;
- }
-
- /* Reset Phy*/
- if ((result = (enetIfPtr->macApiPtr->enet_mii_read(enetIfPtr->deviceNumber,
- enetIfPtr->phyCfgPtr->phyAddr,kEnetPhySR,&data))) == kStatus_PHY_Success)
- {
- if ((data & kEnetPhyAutoNegAble) != 0)
- {
- /* Set Autonegotiation*/
- enetIfPtr->macApiPtr->enet_mii_write(enetIfPtr->deviceNumber,
- enetIfPtr->phyCfgPtr->phyAddr, kEnetPhyCR, kEnetPhyAutoNeg);
- for (counter = 0; counter < kPhyTimeout; counter++)
- {
- if (enetIfPtr->macApiPtr->enet_mii_read(enetIfPtr->deviceNumber,
- enetIfPtr->phyCfgPtr->phyAddr,kEnetPhySR,&data)== kStatus_PHY_Success)
- {
- if ((data & kEnetPhyAutoNegComplete) != 0)
- {
- break;
- }
- }
- }
-
- if (counter == kPhyTimeout)
- {
- return kStatus_PHY_TimeOut;
- }
- }
- }
-
- if (enetIfPtr->phyCfgPtr->isLoopEnabled)
- {
- /* First read the current status in control register*/
- if (enetIfPtr->macApiPtr->enet_mii_read(enetIfPtr->deviceNumber,
- enetIfPtr->phyCfgPtr->phyAddr,kEnetPhyCR,&data))
- {
- result = enetIfPtr->macApiPtr->enet_mii_write(enetIfPtr->deviceNumber,
- enetIfPtr->phyCfgPtr->phyAddr,kEnetPhyCR,(data|kEnetPhyLoop));
- }
- }
-
- return result;
-}
-
-/*FUNCTION****************************************************************
- *
- * Function Name: phy_auto_discover
- * Return Value: The execution status.
- * Description: Phy address auto discover.
- * This function provides a interface to get phy address using phy address auto
- * discovering, this interface is used when the phy address is unknown.
- *END*********************************************************************/
-uint32_t phy_auto_discover(enet_dev_if_t * enetIfPtr)
-{
- uint32_t addrIdx,data;
- uint32_t result = kStatus_PHY_Fail;
-
- /* Check input parameters*/
- if (!enetIfPtr)
- {
- return kStatus_PHY_InvaildInput;
- }
-
- for (addrIdx = 0; addrIdx < 32; addrIdx++)
- {
- enetIfPtr->phyCfgPtr->phyAddr = addrIdx;
- result = enetIfPtr->macApiPtr->enet_mii_read(enetIfPtr->deviceNumber,
- enetIfPtr->phyCfgPtr->phyAddr,kEnetPhyId1,&data);
- if ((result == kStatus_PHY_Success) && (data != 0) && (data != 0xffff) )
- {
- return kStatus_PHY_Success;
- }
- }
-
- return result;
-}
-
-/*FUNCTION****************************************************************
- *
- * Function Name: phy_get_link_speed
- * Return Value: The execution status.
- * Description: Get phy link speed.
- * This function provides a interface to get link speed.
- *END*********************************************************************/
-uint32_t phy_get_link_speed(enet_dev_if_t * enetIfPtr, enet_phy_speed_t *status)
-{
- uint32_t result = kStatus_PHY_Success;
- uint32_t data;
-
- /* Check input parameters*/
- if ((!enetIfPtr) || (!status))
- {
- return kStatus_PHY_InvaildInput;
- }
-
- result = enetIfPtr->macApiPtr->enet_mii_read(enetIfPtr->deviceNumber,
- enetIfPtr->phyCfgPtr->phyAddr, kEnetPhyCt2,&data);
- if (result == kStatus_PHY_Success)
- {
- data &= kEnetPhySpeedDulpexMask;
- if ((kEnetPhy100HalfDuplex == data) || (kEnetPhy100FullDuplex == data))
- {
- *status = kEnetSpeed100M;
- }
- else
- {
- *status = kEnetSpeed10M;
- }
- }
-
- return result;
-}
-
-/*FUNCTION****************************************************************
- *
- * Function Name: phy_get_link_status
- * Return Value: The execution status.
- * Description: Get phy link status.
- * This function provides a interface to get link status to see if the link
- * status is on or off.
- *END*********************************************************************/
- uint32_t phy_get_link_status(enet_dev_if_t * enetIfPtr, bool *status)
-{
- uint32_t result = kStatus_PHY_Success;
- uint32_t data;
-
- /* Check input parameters*/
- if ((!enetIfPtr) || (!status))
- {
- return kStatus_PHY_InvaildInput;
- }
-
- result = enetIfPtr->macApiPtr->enet_mii_read(enetIfPtr->deviceNumber,
- enetIfPtr->phyCfgPtr->phyAddr,kEnetPhyCR,&data);
- if ((result == kStatus_PHY_Success) && (!(data & kEnetPhyReset)))
- {
- data = 0;
- result = enetIfPtr->macApiPtr->enet_mii_read(enetIfPtr->deviceNumber,
- enetIfPtr->phyCfgPtr->phyAddr,kEnetPhySR, &data);
- if (result == kStatus_PHY_Success)
- {
- if (!(kEnetPhyLinkStatus & data))
- {
- *status = false;
- }
- else
- {
- *status = true;
- }
- }
- }
-
- return result;
-}
-
-/*FUNCTION****************************************************************
- *
- * Function Name: phy_get_link_duplex
- * Return Value: The execution status.
- * Description: Get phy link duplex.
- * This function provides a interface to get link duplex to see if the link
- * duplex is full or half.
- *END*********************************************************************/
-uint32_t phy_get_link_duplex(enet_dev_if_t * enetIfPtr, enet_phy_duplex_t *status)
-{
- uint32_t result = kStatus_PHY_Success;
- uint32_t data;
-
- /* Check input parameters*/
- if ((!enetIfPtr) || (!status))
- {
- return kStatus_PHY_InvaildInput;
- }
-
- result = enetIfPtr->macApiPtr->enet_mii_read(enetIfPtr->deviceNumber,
- enetIfPtr->phyCfgPtr->phyAddr,kEnetPhyCt2,&data);
- if (result == kStatus_PHY_Success)
- {
- data &= kEnetPhySpeedDulpexMask;
- if ((kEnetPhy10FullDuplex == data) || (kEnetPhy100FullDuplex == data))
- {
- *status = kEnetFullDuplex;
- }
- else
- {
- *status = kEnetHalfDuplex;
- }
- }
-
- return result;
-}
-
-#endif
-
-/*******************************************************************************
- * EOF
- ******************************************************************************/
-
projects / qmk_firmware.git / blobdiff