diff options
Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/common/phyksz8081/fsl_phy_driver.c')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/common/phyksz8081/fsl_phy_driver.c | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/common/phyksz8081/fsl_phy_driver.c b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/common/phyksz8081/fsl_phy_driver.c new file mode 100644 index 0000000000..04ae3e7728 --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/common/phyksz8081/fsl_phy_driver.c @@ -0,0 +1,267 @@ +/* +* 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 + ******************************************************************************/ + |