| /* |
| * Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc. |
| * Copyright 2016-2017 NXP |
| * All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include "fsl_enet.h" |
| #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL |
| #include "fsl_cache.h" |
| #endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */ |
| |
| /******************************************************************************* |
| * Definitions |
| ******************************************************************************/ |
| |
| /* Component ID definition, used by tools. */ |
| #ifndef FSL_COMPONENT_ID |
| #define FSL_COMPONENT_ID "platform.drivers.enet" |
| #endif |
| |
| /*! @brief IPv4 PTP message IP version offset. */ |
| #define ENET_PTP1588_IPVERSION_OFFSET 0x0EU |
| /*! @brief IPv4 PTP message UDP protocol offset. */ |
| #define ENET_PTP1588_IPV4_UDP_PROTOCOL_OFFSET 0x17U |
| /*! @brief IPv4 PTP message UDP port offset. */ |
| #define ENET_PTP1588_IPV4_UDP_PORT_OFFSET 0x24U |
| /*! @brief IPv4 PTP message UDP message type offset. */ |
| #define ENET_PTP1588_IPV4_UDP_MSGTYPE_OFFSET 0x2AU |
| /*! @brief IPv4 PTP message UDP version offset. */ |
| #define ENET_PTP1588_IPV4_UDP_VERSION_OFFSET 0x2BU |
| /*! @brief IPv4 PTP message UDP clock id offset. */ |
| #define ENET_PTP1588_IPV4_UDP_CLKID_OFFSET 0x3EU |
| /*! @brief IPv4 PTP message UDP sequence id offset. */ |
| #define ENET_PTP1588_IPV4_UDP_SEQUENCEID_OFFSET 0x48U |
| /*! @brief IPv4 PTP message UDP control offset. */ |
| #define ENET_PTP1588_IPV4_UDP_CTL_OFFSET 0x4AU |
| /*! @brief IPv6 PTP message UDP protocol offset. */ |
| #define ENET_PTP1588_IPV6_UDP_PROTOCOL_OFFSET 0x14U |
| /*! @brief IPv6 PTP message UDP port offset. */ |
| #define ENET_PTP1588_IPV6_UDP_PORT_OFFSET 0x38U |
| /*! @brief IPv6 PTP message UDP message type offset. */ |
| #define ENET_PTP1588_IPV6_UDP_MSGTYPE_OFFSET 0x3EU |
| /*! @brief IPv6 PTP message UDP version offset. */ |
| #define ENET_PTP1588_IPV6_UDP_VERSION_OFFSET 0x3FU |
| /*! @brief IPv6 PTP message UDP clock id offset. */ |
| #define ENET_PTP1588_IPV6_UDP_CLKID_OFFSET 0x52U |
| /*! @brief IPv6 PTP message UDP sequence id offset. */ |
| #define ENET_PTP1588_IPV6_UDP_SEQUENCEID_OFFSET 0x5CU |
| /*! @brief IPv6 PTP message UDP control offset. */ |
| #define ENET_PTP1588_IPV6_UDP_CTL_OFFSET 0x5EU |
| /*! @brief PTPv2 message Ethernet packet type offset. */ |
| #define ENET_PTP1588_ETHL2_PACKETTYPE_OFFSET 0x0CU |
| /*! @brief PTPv2 message Ethernet message type offset. */ |
| #define ENET_PTP1588_ETHL2_MSGTYPE_OFFSET 0x0EU |
| /*! @brief PTPv2 message Ethernet version type offset. */ |
| #define ENET_PTP1588_ETHL2_VERSION_OFFSET 0X0FU |
| /*! @brief PTPv2 message Ethernet clock id offset. */ |
| #define ENET_PTP1588_ETHL2_CLOCKID_OFFSET 0x22 |
| /*! @brief PTPv2 message Ethernet sequence id offset. */ |
| #define ENET_PTP1588_ETHL2_SEQUENCEID_OFFSET 0x2c |
| /*! @brief Packet type Ethernet IEEE802.3 for PTPv2. */ |
| #define ENET_ETHERNETL2 0x88F7U |
| /*! @brief Packet type IPv4. */ |
| #define ENET_IPV4 0x0800U |
| /*! @brief Packet type IPv6. */ |
| #define ENET_IPV6 0x86ddU |
| /*! @brief Packet type VLAN. */ |
| #define ENET_8021QVLAN 0x8100U |
| /*! @brief UDP protocol type. */ |
| #define ENET_UDPVERSION 0x0011U |
| /*! @brief Packet IP version IPv4. */ |
| #define ENET_IPV4VERSION 0x0004U |
| /*! @brief Packet IP version IPv6. */ |
| #define ENET_IPV6VERSION 0x0006U |
| /*! @brief Ethernet mac address length. */ |
| #define ENET_FRAME_MACLEN 6U |
| /*! @brief Ethernet VLAN header length. */ |
| #define ENET_FRAME_VLAN_TAGLEN 4U |
| /*! @brief MDC frequency. */ |
| #define ENET_MDC_FREQUENCY 2500000U |
| /*! @brief NanoSecond in one second. */ |
| #define ENET_NANOSECOND_ONE_SECOND 1000000000U |
| /*! @brief Define a common clock cycle delays used for time stamp capture. */ |
| #ifndef ENET_1588TIME_DELAY_COUNT |
| #define ENET_1588TIME_DELAY_COUNT 10U |
| #endif |
| |
| /*! @brief Defines the macro for converting constants from host byte order to network byte order. */ |
| #define ENET_HTONS(n) __REV16(n) |
| #define ENET_HTONL(n) __REV(n) |
| #define ENET_NTOHS(n) __REV16(n) |
| #define ENET_NTOHL(n) __REV(n) |
| |
| /*! @brief Define the ENET ring/class bumber . */ |
| enum _enet_ring_number |
| { |
| kENET_Ring0 = 0U, /*!< ENET ring/class 0. */ |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| kENET_Ring1 = 1U, /*!< ENET ring/class 1. */ |
| kENET_Ring2 = 2U /*!< ENET ring/class 2. */ |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| }; |
| |
| /*! @brief Define interrupt IRQ handler. */ |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| typedef void (*enet_isr_ring_t)(ENET_Type *base, enet_handle_t *handle, uint32_t ringId); |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| typedef void (*enet_isr_t)(ENET_Type *base, enet_handle_t *handle); |
| |
| /******************************************************************************* |
| * Prototypes |
| ******************************************************************************/ |
| |
| /*! |
| * @brief Get the ENET instance from peripheral base address. |
| * |
| * @param base ENET peripheral base address. |
| * @return ENET instance. |
| */ |
| uint32_t ENET_GetInstance(ENET_Type *base); |
| /*! |
| * @brief Set ENET MAC controller with the configuration. |
| * |
| * @param base ENET peripheral base address. |
| * @param handle The ENET handle pointer. |
| * @param config ENET Mac configuration. |
| * @param bufferConfig ENET buffer configuration. |
| * @param macAddr ENET six-byte mac address. |
| * @param srcClock_Hz ENET module clock source, normally it's system clock. |
| */ |
| static void ENET_SetMacController(ENET_Type *base, |
| enet_handle_t *handle, |
| const enet_config_t *config, |
| const enet_buffer_config_t *bufferConfig, |
| uint8_t *macAddr, |
| uint32_t srcClock_Hz); |
| /*! |
| * @brief Set ENET handler. |
| * |
| * @param base ENET peripheral base address. |
| * @param handle The ENET handle pointer. |
| * @param config ENET configuration stucture pointer. |
| * @param bufferConfig ENET buffer configuration. |
| */ |
| static void ENET_SetHandler(ENET_Type *base, |
| enet_handle_t *handle, |
| const enet_config_t *config, |
| const enet_buffer_config_t *bufferConfig); |
| /*! |
| * @brief Set ENET MAC transmit buffer descriptors. |
| * |
| * @param handle The ENET handle pointer. |
| * @param config The ENET configuration structure. |
| * @param bufferConfig The ENET buffer configuration. |
| */ |
| static void ENET_SetTxBufferDescriptors(enet_handle_t *handle, |
| const enet_config_t *config, |
| const enet_buffer_config_t *bufferConfig); |
| |
| /*! |
| * @brief Set ENET MAC receive buffer descriptors. |
| * |
| * @param handle The ENET handle pointer. |
| * @param config The ENET configuration structure. |
| * @param bufferConfig The ENET buffer configuration. |
| */ |
| static void ENET_SetRxBufferDescriptors(enet_handle_t *handle, |
| const enet_config_t *config, |
| const enet_buffer_config_t *bufferConfig); |
| |
| /*! |
| * @brief Updates the ENET read buffer descriptors. |
| * |
| * @param base ENET peripheral base address. |
| * @param handle The ENET handle pointer. |
| * @param ringId The descriptor ring index, range from 0 ~ FSL_FEATURE_ENET_QUEUE - 1. |
| * 0 ----- for single ring kinetis platform. |
| * 0 ~ 2 for mulit-ring supported IMX8qm. |
| */ |
| static void ENET_UpdateReadBuffers(ENET_Type *base, enet_handle_t *handle, uint32_t ringId); |
| |
| /*! |
| * @brief Activates ENET send for multiple tx rings. |
| * |
| * @param base ENET peripheral base address. |
| * @param ringId The descriptor ring index, range from 0 ~ FSL_FEATURE_ENET_QUEUE - 1. |
| * 0 ----- for single ring kinetis platform. |
| * 0 ~ 2 for mulit-ring supported IMX8qm. |
| * |
| * @note This must be called after the MAC configuration and |
| * state are ready. It must be called after the ENET_Init() and |
| * this should be called when the ENET receive required. |
| */ |
| static void ENET_ActiveSend(ENET_Type *base, uint32_t ringId); |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| /*! |
| * @brief Parses the ENET frame for time-stamp process of PTP 1588 frame. |
| * |
| * @param data The ENET read data for frame parse. |
| * @param ptpTsData The ENET PTP message and time-stamp data pointer. |
| * @param isFastEnabled The fast parse flag. |
| * - true , Fast processing, only check if this is a PTP message. |
| * - false, Store the PTP message data after check the PTP message. |
| */ |
| static bool ENET_Ptp1588ParseFrame(const uint8_t *data, enet_ptp_time_data_t *ptpTsData, bool isFastEnabled); |
| |
| /*! |
| * @brief Updates the new PTP 1588 time-stamp to the time-stamp buffer ring. |
| * |
| * @param ptpTsDataRing The PTP message and time-stamp data ring pointer. |
| * @param ptpTimeData The new PTP 1588 time-stamp data pointer. |
| */ |
| static status_t ENET_Ptp1588UpdateTimeRing(enet_ptp_time_data_ring_t *ptpTsDataRing, enet_ptp_time_data_t *ptpTimeData); |
| |
| /*! |
| * @brief Search up the right PTP 1588 time-stamp from the time-stamp buffer ring. |
| * |
| * @param ptpTsDataRing The PTP message and time-stamp data ring pointer. |
| * @param ptpTimeData The find out right PTP 1588 time-stamp data pointer with the specific PTP message. |
| */ |
| static status_t ENET_Ptp1588SearchTimeRing(enet_ptp_time_data_ring_t *ptpTsDataRing, enet_ptp_time_data_t *ptpTimedata); |
| |
| /*! |
| * @brief Store the transmit time-stamp for event PTP frame in the time-stamp buffer ring. |
| * |
| * @param base ENET peripheral base address. |
| * @param handle The ENET handle pointer. |
| * @param ringId The descriptor ring index, range from 0 ~ FSL_FEATURE_ENET_QUEUE - 1. |
| * 0 ----- for single ring kinetis platform. |
| * 0 ~ 2 for mulit-ring supported IMX8qm. |
| */ |
| static status_t ENET_StoreTxFrameTime(ENET_Type *base, enet_handle_t *handle, uint32_t ringId); |
| |
| /*! |
| * @brief Store the receive time-stamp for event PTP frame in the time-stamp buffer ring. |
| * |
| * @param base ENET peripheral base address. |
| * @param handle The ENET handle pointer. |
| * @param ptpTimeData The PTP 1588 time-stamp data pointer. |
| */ |
| static status_t ENET_StoreRxFrameTime(ENET_Type *base, enet_handle_t *handle, enet_ptp_time_data_t *ptpTimeData); |
| |
| #if defined(FSL_FEATURE_ENET_HAS_AVB) && FSL_FEATURE_ENET_AVB |
| /*! |
| * @brief Gets the ring index for transmission. |
| * |
| * @param base ENET peripheral base address. |
| * @param data The ENET transmit data. |
| * @param handle The ENET handle pointer. |
| * |
| * @note This must be called after the MAC configuration and |
| * state are ready. It must be called after the ENET_Init() and |
| * this should be called when the ENET receive required. |
| */ |
| static uint8_t ENET_GetTxRingId(ENET_Type *base, uint8_t *data, enet_handle_t *handle); |
| #endif /* FSL_FEATURE_ENET_HAS_AVB */ |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| |
| /******************************************************************************* |
| * Variables |
| ******************************************************************************/ |
| |
| /*! @brief Pointers to enet handles for each instance. */ |
| static enet_handle_t *s_ENETHandle[FSL_FEATURE_SOC_ENET_COUNT] = {NULL}; |
| |
| /*! @brief Pointers to enet clocks for each instance. */ |
| #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) |
| const clock_ip_name_t s_enetClock[] = ENET_CLOCKS; |
| #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ |
| |
| /*! @brief Pointers to enet transmit IRQ number for each instance. */ |
| static const IRQn_Type s_enetTxIrqId[] = ENET_Transmit_IRQS; |
| /*! @brief Pointers to enet receive IRQ number for each instance. */ |
| static const IRQn_Type s_enetRxIrqId[] = ENET_Receive_IRQS; |
| #if defined(ENET_ENHANCEDBUFFERDESCRIPTOR_MODE) && ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| /*! @brief Pointers to enet timestamp IRQ number for each instance. */ |
| static const IRQn_Type s_enetTsIrqId[] = ENET_1588_Timer_IRQS; |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| /*! @brief Pointers to enet error IRQ number for each instance. */ |
| static const IRQn_Type s_enetErrIrqId[] = ENET_Error_IRQS; |
| |
| /*! @brief Pointers to enet bases for each instance. */ |
| static ENET_Type *const s_enetBases[] = ENET_BASE_PTRS; |
| |
| /* ENET ISR for transactional APIs. */ |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| static enet_isr_ring_t s_enetTxIsr; |
| static enet_isr_ring_t s_enetRxIsr; |
| #else |
| static enet_isr_t s_enetTxIsr; |
| static enet_isr_t s_enetRxIsr; |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| static enet_isr_t s_enetErrIsr; |
| static enet_isr_t s_enetTsIsr; |
| /******************************************************************************* |
| * Code |
| ******************************************************************************/ |
| |
| uint32_t ENET_GetInstance(ENET_Type *base) |
| { |
| uint32_t instance; |
| |
| /* Find the instance index from base address mappings. */ |
| for (instance = 0; instance < ARRAY_SIZE(s_enetBases); instance++) |
| { |
| if (s_enetBases[instance] == base) |
| { |
| break; |
| } |
| } |
| |
| assert(instance < ARRAY_SIZE(s_enetBases)); |
| |
| return instance; |
| } |
| |
| /*! |
| * brief Gets the ENET default configuration structure. |
| * |
| * The purpose of this API is to get the default ENET MAC controller |
| * configure structure for ENET_Init(). User may use the initialized |
| * structure unchanged in ENET_Init(), or modify some fields of the |
| * structure before calling ENET_Init(). |
| * Example: |
| code |
| enet_config_t config; |
| ENET_GetDefaultConfig(&config); |
| endcode |
| * param config The ENET mac controller configuration structure pointer. |
| */ |
| void ENET_GetDefaultConfig(enet_config_t *config) |
| { |
| /* Checks input parameter. */ |
| assert(config); |
| |
| /* Initializes the MAC configure structure to zero. */ |
| memset(config, 0, sizeof(enet_config_t)); |
| |
| /* Sets MII mode, full duplex, 100Mbps for MAC and PHY data interface. */ |
| #if defined(FSL_FEATURE_ENET_HAS_AVB) && FSL_FEATURE_ENET_HAS_AVB |
| config->miiMode = kENET_RgmiiMode; |
| #else |
| config->miiMode = kENET_RmiiMode; |
| #endif |
| config->miiSpeed = kENET_MiiSpeed100M; |
| config->miiDuplex = kENET_MiiFullDuplex; |
| |
| config->ringNum = 1; |
| |
| /* Sets the maximum receive frame length. */ |
| config->rxMaxFrameLen = ENET_FRAME_MAX_FRAMELEN; |
| } |
| |
| /*! |
| * brief Initializes the ENET module. |
| * |
| * This function ungates the module clock and initializes it with the ENET configuration. |
| * |
| * param base ENET peripheral base address. |
| * param handle ENET handler pointer. |
| * param config ENET mac configuration structure pointer. |
| * The "enet_config_t" type mac configuration return from ENET_GetDefaultConfig |
| * can be used directly. It is also possible to verify the Mac configuration using other methods. |
| * param bufferConfig ENET buffer configuration structure pointer. |
| * The buffer configuration should be prepared for ENET Initialization. |
| * It is the start address of "ringNum" enet_buffer_config structures. |
| * To support added multi-ring features in some soc and compatible with the previous |
| * enet driver version. For single ring supported, this bufferConfig is a buffer |
| * configure structure pointer, for multi-ring supported and used case, this bufferConfig |
| * pointer should be a buffer configure structure array pointer. |
| * param macAddr ENET mac address of Ethernet device. This MAC address should be |
| * provided. |
| * param srcClock_Hz The internal module clock source for MII clock. |
| * |
| * note ENET has two buffer descriptors legacy buffer descriptors and |
| * enhanced IEEE 1588 buffer descriptors. The legacy descriptor is used by default. To |
| * use the IEEE 1588 feature, use the enhanced IEEE 1588 buffer descriptor |
| * by defining "ENET_ENHANCEDBUFFERDESCRIPTOR_MODE" and calling ENET_Ptp1588Configure() |
| * to configure the 1588 feature and related buffers after calling ENET_Init(). |
| */ |
| void ENET_Init(ENET_Type *base, |
| enet_handle_t *handle, |
| const enet_config_t *config, |
| const enet_buffer_config_t *bufferConfig, |
| uint8_t *macAddr, |
| uint32_t srcClock_Hz) |
| { |
| /* Checks input parameters. */ |
| assert(handle); |
| assert(config); |
| assert(bufferConfig); |
| assert(macAddr); |
| assert(config->ringNum <= FSL_FEATURE_ENET_QUEUE); |
| |
| #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) |
| uint32_t instance = ENET_GetInstance(base); |
| |
| /* Ungate ENET clock. */ |
| CLOCK_EnableClock(s_enetClock[instance]); |
| #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ |
| /* Reset ENET module. */ |
| ENET_Reset(base); |
| |
| /* Initializes the ENET transmit buffer descriptors. */ |
| ENET_SetTxBufferDescriptors(handle, config, bufferConfig); |
| |
| /* Initializes the ENET receive buffer descriptors. */ |
| ENET_SetRxBufferDescriptors(handle, config, bufferConfig); |
| |
| /* Initializes the ENET MAC controller with basic function. */ |
| ENET_SetMacController(base, handle, config, bufferConfig, macAddr, srcClock_Hz); |
| |
| /* Set all buffers or data in handler for data transmit/receive process. */ |
| ENET_SetHandler(base, handle, config, bufferConfig); |
| } |
| |
| /*! |
| * brief Deinitializes the ENET module. |
| |
| * This function gates the module clock, clears ENET interrupts, and disables the ENET module. |
| * |
| * param base ENET peripheral base address. |
| */ |
| void ENET_Deinit(ENET_Type *base) |
| { |
| /* Disable interrupt. */ |
| base->EIMR = 0; |
| |
| /* Disable ENET. */ |
| base->ECR &= ~ENET_ECR_ETHEREN_MASK; |
| |
| #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) |
| /* Disables the clock source. */ |
| CLOCK_DisableClock(s_enetClock[ENET_GetInstance(base)]); |
| #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ |
| } |
| |
| /*! |
| * brief Sets the callback function. |
| * This API is provided for the application callback required case when ENET |
| * interrupt is enabled. This API should be called after calling ENET_Init. |
| * |
| * param handle ENET handler pointer. Should be provided by application. |
| * param callback The ENET callback function. |
| * param userData The callback function parameter. |
| */ |
| void ENET_SetCallback(enet_handle_t *handle, enet_callback_t callback, void *userData) |
| { |
| assert(handle); |
| |
| /* Set callback and userData. */ |
| handle->callback = callback; |
| handle->userData = userData; |
| } |
| |
| static void ENET_SetHandler(ENET_Type *base, |
| enet_handle_t *handle, |
| const enet_config_t *config, |
| const enet_buffer_config_t *bufferConfig) |
| { |
| uint8_t count; |
| uint32_t instance = ENET_GetInstance(base); |
| const enet_buffer_config_t *buffCfg = bufferConfig; |
| |
| /* Store transfer parameters in handle pointer. */ |
| memset(handle, 0, sizeof(enet_handle_t)); |
| |
| handle->ringNum = (config->ringNum > FSL_FEATURE_ENET_QUEUE) ? FSL_FEATURE_ENET_QUEUE : config->ringNum; |
| for (count = 0; count < handle->ringNum; count++) |
| { |
| assert(buffCfg->rxBuffSizeAlign * buffCfg->rxBdNumber > config->rxMaxFrameLen); |
| |
| handle->rxBdBase[count] = buffCfg->rxBdStartAddrAlign; |
| handle->rxBdCurrent[count] = buffCfg->rxBdStartAddrAlign; |
| handle->rxBuffSizeAlign[count] = buffCfg->rxBuffSizeAlign; |
| handle->txBdBase[count] = buffCfg->txBdStartAddrAlign; |
| handle->txBdCurrent[count] = buffCfg->txBdStartAddrAlign; |
| handle->txBuffSizeAlign[count] = buffCfg->txBuffSizeAlign; |
| buffCfg++; |
| } |
| |
| /* Save the handle pointer in the global variables. */ |
| s_ENETHandle[instance] = handle; |
| |
| /* Set the IRQ handler when the interrupt is enabled. */ |
| if (config->interrupt & ENET_TX_INTERRUPT) |
| { |
| s_enetTxIsr = ENET_TransmitIRQHandler; |
| EnableIRQ(s_enetTxIrqId[instance]); |
| } |
| if (config->interrupt & ENET_RX_INTERRUPT) |
| { |
| s_enetRxIsr = ENET_ReceiveIRQHandler; |
| EnableIRQ(s_enetRxIrqId[instance]); |
| } |
| if (config->interrupt & ENET_ERR_INTERRUPT) |
| { |
| s_enetErrIsr = ENET_ErrorIRQHandler; |
| EnableIRQ(s_enetErrIrqId[instance]); |
| } |
| } |
| |
| static void ENET_SetMacController(ENET_Type *base, |
| enet_handle_t *handle, |
| const enet_config_t *config, |
| const enet_buffer_config_t *bufferConfig, |
| uint8_t *macAddr, |
| uint32_t srcClock_Hz) |
| { |
| #if defined(FSL_FEATURE_ENET_HAS_AVB) && FSL_FEATURE_ENET_HAS_AVB |
| /* Check the MII mode/speed/duplex setting. */ |
| if (config->miiSpeed == kENET_MiiSpeed1000M) |
| { |
| /* Only RGMII mode has the 1000M bit/s. The 1000M only support full duplex. */ |
| assert(config->miiMode == kENET_RgmiiMode); |
| assert(config->miiDuplex == kENET_MiiFullDuplex); |
| } |
| #endif /* FSL_FEATURE_ENET_HAS_AVB */ |
| |
| uint32_t rcr = 0; |
| uint32_t tcr = 0; |
| uint32_t ecr = base->ECR; |
| uint32_t macSpecialConfig = config->macSpecialConfig; |
| uint32_t maxFrameLen = config->rxMaxFrameLen; |
| |
| /* Maximum frame length check. */ |
| if ((macSpecialConfig & kENET_ControlVLANTagEnable) && (maxFrameLen <= ENET_FRAME_MAX_FRAMELEN)) |
| { |
| maxFrameLen = (ENET_FRAME_MAX_FRAMELEN + ENET_FRAME_VLAN_TAGLEN); |
| #if defined(FSL_FEATURE_ENET_HAS_AVB) && FSL_FEATURE_ENET_HAS_AVB |
| if (macSpecialConfig & kENET_ControlSVLANEnable) |
| { |
| /* Double vlan tag (SVLAN) supported. */ |
| maxFrameLen += ENET_FRAME_VLAN_TAGLEN; |
| } |
| ecr |= ((macSpecialConfig & kENET_ControlSVLANEnable) ? (ENET_ECR_SVLANEN_MASK | ENET_ECR_SVLANDBL_MASK) : 0) | |
| ((macSpecialConfig & kENET_ControlVLANUseSecondTag) ? ENET_ECR_VLANUSE2ND_MASK : 0); |
| #endif /* FSL_FEATURE_ENET_HAS_AVB */ |
| } |
| |
| /* Configures MAC receive controller with user configure structure. */ |
| rcr = ((macSpecialConfig & kENET_ControlRxPayloadCheckEnable) ? ENET_RCR_NLC_MASK : 0) | |
| ((macSpecialConfig & kENET_ControlFlowControlEnable) ? ENET_RCR_CFEN_MASK : 0) | |
| ((macSpecialConfig & kENET_ControlFlowControlEnable) ? ENET_RCR_FCE_MASK : 0) | |
| ((macSpecialConfig & kENET_ControlRxPadRemoveEnable) ? ENET_RCR_PADEN_MASK : 0) | |
| ((macSpecialConfig & kENET_ControlRxBroadCastRejectEnable) ? ENET_RCR_BC_REJ_MASK : 0) | |
| ((macSpecialConfig & kENET_ControlPromiscuousEnable) ? ENET_RCR_PROM_MASK : 0) | |
| ENET_RCR_MAX_FL(maxFrameLen) | ENET_RCR_CRCFWD_MASK; |
| |
| /* Set the RGMII or RMII, MII mode and control register. */ |
| #if defined(FSL_FEATURE_ENET_HAS_AVB) && FSL_FEATURE_ENET_HAS_AVB |
| if (config->miiMode == kENET_RgmiiMode) |
| { |
| rcr |= ENET_RCR_RGMII_EN_MASK; |
| rcr &= ~ENET_RCR_MII_MODE_MASK; |
| } |
| else |
| { |
| rcr &= ~ENET_RCR_RGMII_EN_MASK; |
| #endif /* FSL_FEATURE_ENET_HAS_AVB */ |
| rcr |= ENET_RCR_MII_MODE_MASK; |
| if (config->miiMode == kENET_RmiiMode) |
| { |
| rcr |= ENET_RCR_RMII_MODE_MASK; |
| } |
| #if defined(FSL_FEATURE_ENET_HAS_AVB) && FSL_FEATURE_ENET_HAS_AVB |
| } |
| #endif /* FSL_FEATURE_ENET_HAS_AVB */ |
| /* Speed. */ |
| if (config->miiSpeed == kENET_MiiSpeed10M) |
| { |
| rcr |= ENET_RCR_RMII_10T_MASK; |
| } |
| #if defined(FSL_FEATURE_ENET_HAS_AVB) && FSL_FEATURE_ENET_HAS_AVB |
| if (config->miiSpeed == kENET_MiiSpeed1000M) |
| { |
| ecr |= ENET_ECR_SPEED_MASK; |
| } |
| #endif /* FSL_FEATURE_ENET_HAS_AVB */ |
| |
| /* Receive setting for half duplex. */ |
| if (config->miiDuplex == kENET_MiiHalfDuplex) |
| { |
| rcr |= ENET_RCR_DRT_MASK; |
| } |
| /* Sets internal loop only for MII mode. */ |
| if ((config->macSpecialConfig & kENET_ControlMIILoopEnable) && (config->miiMode != kENET_RmiiMode)) |
| { |
| rcr |= ENET_RCR_LOOP_MASK; |
| rcr &= ~ENET_RCR_DRT_MASK; |
| } |
| base->RCR = rcr; |
| |
| /* Configures MAC transmit controller: duplex mode, mac address insertion. */ |
| tcr = base->TCR & ~(ENET_TCR_FDEN_MASK | ENET_TCR_ADDINS_MASK); |
| tcr |= (config->miiDuplex ? ENET_TCR_FDEN_MASK : 0) | |
| ((macSpecialConfig & kENET_ControlMacAddrInsert) ? ENET_TCR_ADDINS_MASK : 0); |
| base->TCR = tcr; |
| |
| /* Configures receive and transmit accelerator. */ |
| base->TACC = config->txAccelerConfig; |
| base->RACC = config->rxAccelerConfig; |
| |
| /* Sets the pause duration and FIFO threshold for the flow control enabled case. */ |
| if (macSpecialConfig & kENET_ControlFlowControlEnable) |
| { |
| uint32_t reemReg; |
| base->OPD = config->pauseDuration; |
| reemReg = ENET_RSEM_RX_SECTION_EMPTY(config->rxFifoEmptyThreshold); |
| #if defined(FSL_FEATURE_ENET_HAS_RECEIVE_STATUS_THRESHOLD) && FSL_FEATURE_ENET_HAS_RECEIVE_STATUS_THRESHOLD |
| reemReg |= ENET_RSEM_STAT_SECTION_EMPTY(config->rxFifoStatEmptyThreshold); |
| #endif /* FSL_FEATURE_ENET_HAS_RECEIVE_STATUS_THRESHOLD */ |
| base->RSEM = reemReg; |
| } |
| |
| /* FIFO threshold setting for store and forward enable/disable case. */ |
| if (macSpecialConfig & kENET_ControlStoreAndFwdDisable) |
| { |
| /* Transmit fifo watermark settings. */ |
| base->TFWR = config->txFifoWatermark & ENET_TFWR_TFWR_MASK; |
| /* Receive fifo full threshold settings. */ |
| base->RSFL = config->rxFifoFullThreshold & ENET_RSFL_RX_SECTION_FULL_MASK; |
| } |
| else |
| { |
| /* Transmit fifo watermark settings. */ |
| base->TFWR = ENET_TFWR_STRFWD_MASK; |
| base->RSFL = 0; |
| } |
| |
| /* Enable store and forward when accelerator is enabled */ |
| if (config->txAccelerConfig & (kENET_TxAccelIpCheckEnabled | kENET_TxAccelProtoCheckEnabled)) |
| { |
| base->TFWR = ENET_TFWR_STRFWD_MASK; |
| } |
| if (config->rxAccelerConfig & (kENET_RxAccelIpCheckEnabled | kENET_RxAccelProtoCheckEnabled)) |
| { |
| base->RSFL = 0; |
| } |
| |
| /* Initializes the ring 0. */ |
| #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET |
| base->TDSR = MEMORY_ConvertMemoryMapAddress((uint32_t)bufferConfig->txBdStartAddrAlign, kMEMORY_Local2DMA); |
| base->RDSR = MEMORY_ConvertMemoryMapAddress((uint32_t)bufferConfig->rxBdStartAddrAlign, kMEMORY_Local2DMA); |
| #else |
| base->TDSR = (uint32_t)bufferConfig->txBdStartAddrAlign; |
| base->RDSR = (uint32_t)bufferConfig->rxBdStartAddrAlign; |
| #endif |
| base->MRBR = bufferConfig->rxBuffSizeAlign; |
| |
| #if defined(FSL_FEATURE_ENET_HAS_AVB) && FSL_FEATURE_ENET_HAS_AVB |
| const enet_buffer_config_t *buffCfg = bufferConfig; |
| |
| if (config->ringNum > 1) |
| { |
| /* Initializes the ring 1. */ |
| buffCfg++; |
| #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET |
| base->TDSR1 = MEMORY_ConvertMemoryMapAddress((uint32_t)buffCfg->txBdStartAddrAlign, kMEMORY_Local2DMA); |
| base->RDSR1 = MEMORY_ConvertMemoryMapAddress((uint32_t)buffCfg->rxBdStartAddrAlign, kMEMORY_Local2DMA); |
| #else |
| base->TDSR1 = (uint32_t)buffCfg->txBdStartAddrAlign; |
| base->RDSR1 = (uint32_t)buffCfg->rxBdStartAddrAlign; |
| #endif |
| base->MRBR1 = buffCfg->rxBuffSizeAlign; |
| /* Enable the DMAC for ring 1 and with no rx classification set. */ |
| base->DMACFG[0] = ENET_DMACFG_DMA_CLASS_EN_MASK; |
| } |
| if (config->ringNum > 2) |
| { |
| /* Initializes the ring 2. */ |
| buffCfg++; |
| #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET |
| base->TDSR2 = MEMORY_ConvertMemoryMapAddress((uint32_t)buffCfg->txBdStartAddrAlign, kMEMORY_Local2DMA); |
| base->RDSR2 = MEMORY_ConvertMemoryMapAddress((uint32_t)buffCfg->rxBdStartAddrAlign, kMEMORY_Local2DMA); |
| #else |
| base->TDSR2 = (uint32_t)buffCfg->txBdStartAddrAlign; |
| base->RDSR2 = (uint32_t)buffCfg->rxBdStartAddrAlign; |
| #endif |
| base->MRBR2 = buffCfg->rxBuffSizeAlign; |
| /* Enable the DMAC for ring 2 and with no rx classification set. */ |
| base->DMACFG[1] = ENET_DMACFG_DMA_CLASS_EN_MASK; |
| } |
| |
| /* Default the class/ring 1 and 2 are not enabled and the receive classification is disabled |
| * so we set the default transmit scheme with the round-robin mode. beacuse the legacy bd mode |
| * only support the round-robin mode. if the avb feature is required, just call the setup avb |
| * feature API. */ |
| base->QOS |= ENET_QOS_TX_SCHEME(1); |
| #endif /* FSL_FEATURE_ENET_HAS_AVB */ |
| |
| /* Configures the Mac address. */ |
| ENET_SetMacAddr(base, macAddr); |
| |
| /* Initialize the SMI if uninitialized. */ |
| if (!ENET_GetSMI(base)) |
| { |
| ENET_SetSMI(base, srcClock_Hz, !!(config->macSpecialConfig & kENET_ControlSMIPreambleDisable)); |
| } |
| |
| /* Enables Ethernet interrupt, enables the interrupt coalsecing if it is required. */ |
| #if defined(FSL_FEATURE_ENET_HAS_INTERRUPT_COALESCE) && FSL_FEATURE_ENET_HAS_INTERRUPT_COALESCE |
| if (config->intCoalesceCfg) |
| { |
| uint32_t intMask = (ENET_EIMR_TXB_MASK | ENET_EIMR_RXB_MASK); |
| |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| uint8_t queue = 0; |
| intMask |= ENET_EIMR_TXB2_MASK | ENET_EIMR_RXB2_MASK | ENET_EIMR_TXB1_MASK | ENET_EIMR_RXB1_MASK; |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| |
| /* Clear all buffer interrupts. */ |
| base->EIMR &= ~intMask; |
| |
| /* Set the interrupt coalescence. */ |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| for (queue = 0; queue < FSL_FEATURE_ENET_QUEUE; queue++) |
| { |
| base->TXIC[queue] = ENET_TXIC_ICFT(config->intCoalesceCfg->txCoalesceFrameCount[queue]) | |
| config->intCoalesceCfg->txCoalesceTimeCount[queue] | ENET_TXIC_ICCS_MASK | |
| ENET_TXIC_ICEN_MASK; |
| base->RXIC[queue] = ENET_RXIC_ICFT(config->intCoalesceCfg->rxCoalesceFrameCount[queue]) | |
| config->intCoalesceCfg->rxCoalesceTimeCount[queue] | ENET_RXIC_ICCS_MASK | |
| ENET_RXIC_ICEN_MASK; |
| } |
| #else |
| base->TXIC = ENET_TXIC_ICFT(config->intCoalesceCfg->txCoalesceFrameCount[0]) | |
| config->intCoalesceCfg->txCoalesceTimeCount[0] | ENET_TXIC_ICCS_MASK | ENET_TXIC_ICEN_MASK; |
| base->RXIC = ENET_RXIC_ICFT(config->intCoalesceCfg->rxCoalesceFrameCount[0]) | |
| config->intCoalesceCfg->rxCoalesceTimeCount[0] | ENET_RXIC_ICCS_MASK | ENET_RXIC_ICEN_MASK; |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| } |
| #endif /* FSL_FEATURE_ENET_HAS_INTERRUPT_COALESCE */ |
| ENET_EnableInterrupts(base, config->interrupt); |
| |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| /* Sets the 1588 enhanced feature. */ |
| ecr |= ENET_ECR_EN1588_MASK; |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| /* Enables Ethernet module after all configuration except the buffer descriptor active. */ |
| ecr |= ENET_ECR_ETHEREN_MASK | ENET_ECR_DBSWP_MASK; |
| base->ECR = ecr; |
| } |
| |
| static void ENET_SetTxBufferDescriptors(enet_handle_t *handle, |
| const enet_config_t *config, |
| const enet_buffer_config_t *bufferConfig) |
| { |
| assert(config); |
| assert(bufferConfig); |
| |
| /* Default single ring is supported. */ |
| uint8_t ringNum; |
| uint32_t count; |
| uint32_t txBuffSizeAlign; |
| uint8_t *txBuffer; |
| const enet_buffer_config_t *buffCfg = bufferConfig; |
| |
| /* Check the input parameters. */ |
| for (ringNum = 0; ringNum < config->ringNum; ringNum++) |
| { |
| if ((buffCfg->txBdStartAddrAlign > 0) && (buffCfg->txBufferAlign > 0)) |
| { |
| volatile enet_tx_bd_struct_t *curBuffDescrip = buffCfg->txBdStartAddrAlign; |
| txBuffSizeAlign = buffCfg->txBuffSizeAlign; |
| #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET |
| txBuffer = (uint8_t *)MEMORY_ConvertMemoryMapAddress((uint32_t)buffCfg->txBufferAlign, kMEMORY_Local2DMA); |
| #else |
| txBuffer = buffCfg->txBufferAlign; |
| #endif |
| for (count = 0; count < buffCfg->txBdNumber; count++) |
| { |
| /* Set data buffer address. */ |
| curBuffDescrip->buffer = (uint8_t *)((uint32_t)&txBuffer[count * txBuffSizeAlign]); |
| /* Initializes data length. */ |
| curBuffDescrip->length = 0; |
| /* Sets the crc. */ |
| curBuffDescrip->control = ENET_BUFFDESCRIPTOR_TX_TRANMITCRC_MASK; |
| /* Sets the last buffer descriptor with the wrap flag. */ |
| if (count == buffCfg->txBdNumber - 1) |
| { |
| curBuffDescrip->control |= ENET_BUFFDESCRIPTOR_TX_WRAP_MASK; |
| } |
| |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| /* Enable transmit interrupt for store the transmit timestamp. */ |
| curBuffDescrip->controlExtend1 |= ENET_BUFFDESCRIPTOR_TX_INTERRUPT_MASK; |
| #if defined(FSL_FEATURE_ENET_HAS_AVB) && FSL_FEATURE_ENET_HAS_AVB |
| /* Set the type of the frame when the credit-based scheme is used. */ |
| curBuffDescrip->controlExtend1 |= ENET_BD_FTYPE(ringNum); |
| #endif /* FSL_FEATURE_ENET_HAS_AVB */ |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| /* Increase the index. */ |
| curBuffDescrip++; |
| } |
| } |
| buffCfg++; |
| } |
| } |
| |
| static void ENET_SetRxBufferDescriptors(enet_handle_t *handle, |
| const enet_config_t *config, |
| const enet_buffer_config_t *bufferConfig) |
| { |
| assert(config); |
| assert(bufferConfig); |
| |
| /* Default single ring is supported. */ |
| uint8_t ringNum; |
| uint32_t count; |
| uint32_t rxBuffSizeAlign; |
| uint8_t *rxBuffer; |
| const enet_buffer_config_t *buffCfg = bufferConfig; |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| uint32_t mask = (kENET_RxFrameInterrupt | kENET_RxBufferInterrupt); |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| |
| /* Check the input parameters. */ |
| for (ringNum = 0; ringNum < config->ringNum; ringNum++) |
| { |
| assert(buffCfg->rxBuffSizeAlign >= ENET_RX_MIN_BUFFERSIZE); |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| if (ringNum == 1) |
| { |
| mask = (kENET_RxFrame1Interrupt | kENET_RxBuffer1Interrupt); |
| } |
| else if (ringNum == 2) |
| { |
| mask = (kENET_RxFrame2Interrupt | kENET_RxBuffer2Interrupt); |
| } |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| |
| if ((buffCfg->rxBdStartAddrAlign > 0) && (buffCfg->rxBufferAlign > 0)) |
| { |
| volatile enet_rx_bd_struct_t *curBuffDescrip = buffCfg->rxBdStartAddrAlign; |
| rxBuffSizeAlign = buffCfg->rxBuffSizeAlign; |
| #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET |
| rxBuffer = (uint8_t *)MEMORY_ConvertMemoryMapAddress((uint32_t)buffCfg->rxBufferAlign, kMEMORY_Local2DMA); |
| #else |
| rxBuffer = buffCfg->rxBufferAlign; |
| #endif |
| |
| #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL |
| /* Invalidate rx buffers before DMA transfer data into them. */ |
| DCACHE_InvalidateByRange((uint32_t)rxBuffer, (buffCfg->rxBdNumber * rxBuffSizeAlign)); |
| #endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */ |
| |
| for (count = 0; count < buffCfg->rxBdNumber; count++) |
| { |
| /* Set data buffer and the length. */ |
| curBuffDescrip->buffer = (uint8_t *)((uint32_t)&rxBuffer[count * rxBuffSizeAlign]); |
| curBuffDescrip->length = 0; |
| |
| /* Initializes the buffer descriptors with empty bit. */ |
| curBuffDescrip->control = ENET_BUFFDESCRIPTOR_RX_EMPTY_MASK; |
| /* Sets the last buffer descriptor with the wrap flag. */ |
| if (count == buffCfg->rxBdNumber - 1) |
| { |
| curBuffDescrip->control |= ENET_BUFFDESCRIPTOR_RX_WRAP_MASK; |
| } |
| |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| if (config->interrupt & mask) |
| { |
| /* Enable receive interrupt. */ |
| curBuffDescrip->controlExtend1 |= ENET_BUFFDESCRIPTOR_RX_INTERRUPT_MASK; |
| } |
| else |
| { |
| curBuffDescrip->controlExtend1 = 0; |
| } |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| /* Increase the index. */ |
| curBuffDescrip++; |
| } |
| } |
| buffCfg++; |
| } |
| } |
| |
| static void ENET_ActiveSend(ENET_Type *base, uint32_t ringId) |
| { |
| assert(ringId < FSL_FEATURE_ENET_QUEUE); |
| __DSB(); |
| |
| switch (ringId) |
| { |
| case kENET_Ring0: |
| base->TDAR = ENET_TDAR_TDAR_MASK; |
| break; |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| case kENET_Ring1: |
| base->TDAR1 = ENET_TDAR1_TDAR_MASK; |
| break; |
| case kENET_Ring2: |
| base->TDAR2 = ENET_TDAR2_TDAR_MASK; |
| break; |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| default: |
| base->TDAR = ENET_TDAR_TDAR_MASK; |
| break; |
| } |
| } |
| |
| /*! |
| * brief Sets the ENET MII speed and duplex. |
| * |
| * This API is provided to dynamically change the speed and dulpex for MAC. |
| * |
| * param base ENET peripheral base address. |
| * param speed The speed of the RMII mode. |
| * param duplex The duplex of the RMII mode. |
| */ |
| void ENET_SetMII(ENET_Type *base, enet_mii_speed_t speed, enet_mii_duplex_t duplex) |
| { |
| uint32_t rcr = base->RCR; |
| uint32_t tcr = base->TCR; |
| |
| #if defined(FSL_FEATURE_ENET_HAS_AVB) && FSL_FEATURE_ENET_HAS_AVB |
| uint32_t ecr = base->ECR; |
| |
| if (kENET_MiiSpeed1000M == speed) |
| { |
| assert(duplex == kENET_MiiFullDuplex); |
| ecr |= ENET_ECR_SPEED_MASK; |
| } |
| else |
| { |
| ecr &= ~ENET_ECR_SPEED_MASK; |
| } |
| |
| base->ECR = ecr; |
| #endif /* FSL_FEATURE_ENET_HAS_AVB */ |
| |
| /* Sets speed mode. */ |
| if (kENET_MiiSpeed10M == speed) |
| { |
| rcr |= ENET_RCR_RMII_10T_MASK; |
| } |
| else |
| { |
| rcr &= ~ENET_RCR_RMII_10T_MASK; |
| } |
| /* Set duplex mode. */ |
| if (duplex == kENET_MiiHalfDuplex) |
| { |
| rcr |= ENET_RCR_DRT_MASK; |
| tcr &= ~ENET_TCR_FDEN_MASK; |
| } |
| else |
| { |
| rcr &= ~ENET_RCR_DRT_MASK; |
| tcr |= ENET_TCR_FDEN_MASK; |
| } |
| |
| base->RCR = rcr; |
| base->TCR = tcr; |
| } |
| |
| /*! |
| * brief Sets the ENET module Mac address. |
| * |
| * param base ENET peripheral base address. |
| * param macAddr The six-byte Mac address pointer. |
| * The pointer is allocated by application and input into the API. |
| */ |
| void ENET_SetMacAddr(ENET_Type *base, uint8_t *macAddr) |
| { |
| uint32_t address; |
| |
| /* Set physical address lower register. */ |
| address = (uint32_t)(((uint32_t)macAddr[0] << 24U) | ((uint32_t)macAddr[1] << 16U) | ((uint32_t)macAddr[2] << 8U) | |
| (uint32_t)macAddr[3]); |
| base->PALR = address; |
| /* Set physical address high register. */ |
| address = (uint32_t)(((uint32_t)macAddr[4] << 8U) | ((uint32_t)macAddr[5])); |
| base->PAUR = address << ENET_PAUR_PADDR2_SHIFT; |
| } |
| |
| /*! |
| * brief Gets the ENET module Mac address. |
| * |
| * param base ENET peripheral base address. |
| * param macAddr The six-byte Mac address pointer. |
| * The pointer is allocated by application and input into the API. |
| */ |
| void ENET_GetMacAddr(ENET_Type *base, uint8_t *macAddr) |
| { |
| assert(macAddr); |
| |
| uint32_t address; |
| |
| /* Get from physical address lower register. */ |
| address = base->PALR; |
| macAddr[0] = 0xFFU & (address >> 24U); |
| macAddr[1] = 0xFFU & (address >> 16U); |
| macAddr[2] = 0xFFU & (address >> 8U); |
| macAddr[3] = 0xFFU & address; |
| |
| /* Get from physical address high register. */ |
| address = (base->PAUR & ENET_PAUR_PADDR2_MASK) >> ENET_PAUR_PADDR2_SHIFT; |
| macAddr[4] = 0xFFU & (address >> 8U); |
| macAddr[5] = 0xFFU & address; |
| } |
| |
| /*! |
| * brief Sets the ENET SMI(serial management interface)- MII management interface. |
| * |
| * param base ENET peripheral base address. |
| * param srcClock_Hz This is the ENET module clock frequency. Normally it's the system clock. See clock distribution. |
| * param isPreambleDisabled The preamble disable flag. |
| * - true Enables the preamble. |
| * - false Disables the preamble. |
| */ |
| void ENET_SetSMI(ENET_Type *base, uint32_t srcClock_Hz, bool isPreambleDisabled) |
| { |
| assert(srcClock_Hz); |
| |
| uint32_t clkCycle = 0; |
| uint32_t speed = 0; |
| uint32_t mscr = 0; |
| |
| /* Calculate the MII speed which controls the frequency of the MDC. */ |
| speed = srcClock_Hz / (2 * ENET_MDC_FREQUENCY); |
| /* Calculate the hold time on the MDIO output. */ |
| clkCycle = (10 + ENET_NANOSECOND_ONE_SECOND / srcClock_Hz - 1) / (ENET_NANOSECOND_ONE_SECOND / srcClock_Hz) - 1; |
| /* Build the configuration for MDC/MDIO control. */ |
| mscr = |
| ENET_MSCR_MII_SPEED(speed) | ENET_MSCR_HOLDTIME(clkCycle) | (isPreambleDisabled ? ENET_MSCR_DIS_PRE_MASK : 0); |
| base->MSCR = mscr; |
| } |
| |
| /*! |
| * brief Starts an SMI write command. |
| * |
| * Used for standard IEEE802.3 MDIO Clause 22 format. |
| * |
| * param base ENET peripheral base address. |
| * param phyAddr The PHY address. |
| * param phyReg The PHY register. Range from 0 ~ 31. |
| * param operation The write operation. |
| * param data The data written to PHY. |
| */ |
| void ENET_StartSMIWrite(ENET_Type *base, uint32_t phyAddr, uint32_t phyReg, enet_mii_write_t operation, uint32_t data) |
| { |
| uint32_t mmfr = 0; |
| |
| /* Build MII write command. */ |
| mmfr = ENET_MMFR_ST(1) | ENET_MMFR_OP(operation) | ENET_MMFR_PA(phyAddr) | ENET_MMFR_RA(phyReg) | ENET_MMFR_TA(2) | |
| (data & 0xFFFF); |
| base->MMFR = mmfr; |
| } |
| |
| /*! |
| * brief Starts an SMI (Serial Management Interface) read command. |
| * |
| * Used for standard IEEE802.3 MDIO Clause 22 format. |
| * |
| * param base ENET peripheral base address. |
| * param phyAddr The PHY address. |
| * param phyReg The PHY register. Range from 0 ~ 31. |
| * param operation The read operation. |
| */ |
| void ENET_StartSMIRead(ENET_Type *base, uint32_t phyAddr, uint32_t phyReg, enet_mii_read_t operation) |
| { |
| uint32_t mmfr = 0; |
| |
| /* Build MII read command. */ |
| mmfr = ENET_MMFR_ST(1) | ENET_MMFR_OP(operation) | ENET_MMFR_PA(phyAddr) | ENET_MMFR_RA(phyReg) | ENET_MMFR_TA(2); |
| base->MMFR = mmfr; |
| } |
| |
| #if defined(FSL_FEATURE_ENET_HAS_EXTEND_MDIO) && FSL_FEATURE_ENET_HAS_EXTEND_MDIO |
| /*! |
| * brief Starts the extended IEEE802.3 Clause 45 MDIO format SMI write command. |
| * |
| * param base ENET peripheral base address. |
| * param phyAddr The PHY address. |
| * param phyReg The PHY register. For MDIO IEEE802.3 Clause 45, |
| * the phyReg is a 21-bits combination of the devaddr (5 bits device address) |
| * and the regAddr (16 bits phy register): phyReg = (devaddr << 16) | regAddr. |
| * param data The data written to PHY. |
| */ |
| void ENET_StartExtC45SMIWrite(ENET_Type *base, uint32_t phyAddr, uint32_t phyReg, uint32_t data) |
| { |
| uint32_t mmfr = 0; |
| |
| /* Parse the address from the input register. */ |
| uint16_t devAddr = (phyReg >> ENET_MMFR_TA_SHIFT) & 0x1FU; |
| uint16_t regAddr = (uint16_t)(phyReg & 0xFFFFU); |
| |
| /* Address write firstly. */ |
| mmfr = ENET_MMFR_ST(0) | ENET_MMFR_OP(kENET_MiiAddrWrite_C45) | ENET_MMFR_PA(phyAddr) | ENET_MMFR_RA(devAddr) | |
| ENET_MMFR_TA(2) | ENET_MMFR_DATA(regAddr); |
| base->MMFR = mmfr; |
| |
| /* Build MII write command. */ |
| mmfr = ENET_MMFR_ST(0) | ENET_MMFR_OP(kENET_MiiWriteFrame_C45) | ENET_MMFR_PA(phyAddr) | ENET_MMFR_RA(devAddr) | |
| ENET_MMFR_TA(2) | ENET_MMFR_DATA(data); |
| base->MMFR = mmfr; |
| } |
| |
| /*! |
| * brief Starts the extended IEEE802.3 Clause 45 MDIO format SMI read command. |
| * |
| * param base ENET peripheral base address. |
| * param phyAddr The PHY address. |
| * param phyReg The PHY register. For MDIO IEEE802.3 Clause 45, |
| * the phyReg is a 21-bits combination of the devaddr (5 bits device address) |
| * and the regAddr (16 bits phy register): phyReg = (devaddr << 16) | regAddr. |
| */ |
| void ENET_StartExtC45SMIRead(ENET_Type *base, uint32_t phyAddr, uint32_t phyReg) |
| { |
| uint32_t mmfr = 0; |
| |
| /* Parse the address from the input register. */ |
| uint16_t devAddr = (phyReg >> ENET_MMFR_TA_SHIFT) & 0x1FU; |
| uint16_t regAddr = (uint16_t)(phyReg & 0xFFFFU); |
| |
| /* Address write firstly. */ |
| mmfr = ENET_MMFR_ST(0) | ENET_MMFR_OP(kENET_MiiAddrWrite_C45) | ENET_MMFR_PA(phyAddr) | ENET_MMFR_RA(devAddr) | |
| ENET_MMFR_TA(2) | ENET_MMFR_DATA(regAddr); |
| base->MMFR = mmfr; |
| |
| /* Build MII read command. */ |
| mmfr = ENET_MMFR_ST(0) | ENET_MMFR_OP(kENET_MiiReadFrame_C45) | ENET_MMFR_PA(phyAddr) | ENET_MMFR_RA(devAddr) | |
| ENET_MMFR_TA(2); |
| base->MMFR = mmfr; |
| } |
| #endif /* FSL_FEATURE_ENET_HAS_EXTEND_MDIO */ |
| |
| /*! |
| * brief Gets the error statistics of a received frame for ENET single ring. |
| * |
| * This API must be called after the ENET_GetRxFrameSize and before the ENET_ReadFrame(). |
| * If the ENET_GetRxFrameSize returns kStatus_ENET_RxFrameError, |
| * the ENET_GetRxErrBeforeReadFrame can be used to get the exact error statistics. |
| * This is an example. |
| * code |
| * status = ENET_GetRxFrameSize(&g_handle, &length); |
| * if (status == kStatus_ENET_RxFrameError) |
| * { |
| * // Get the error information of the received frame. |
| * ENET_GetRxErrBeforeReadFrame(&g_handle, &eErrStatic); |
| * // update the receive buffer. |
| * ENET_ReadFrame(EXAMPLE_ENET, &g_handle, NULL, 0); |
| * } |
| * endcode |
| * param handle The ENET handler structure pointer. This is the same handler pointer used in the ENET_Init. |
| * param eErrorStatic The error statistics structure pointer. |
| */ |
| void ENET_GetRxErrBeforeReadFrame(enet_handle_t *handle, enet_data_error_stats_t *eErrorStatic) |
| { |
| assert(handle); |
| assert(handle->rxBdCurrent[0]); |
| assert(eErrorStatic); |
| |
| uint16_t control = 0; |
| volatile enet_rx_bd_struct_t *curBuffDescrip = handle->rxBdCurrent[0]; |
| |
| do |
| { |
| /* The last buffer descriptor of a frame. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_RX_LAST_MASK) |
| { |
| control = curBuffDescrip->control; |
| if (control & ENET_BUFFDESCRIPTOR_RX_TRUNC_MASK) |
| { |
| /* The receive truncate error. */ |
| eErrorStatic->statsRxTruncateErr++; |
| } |
| if (control & ENET_BUFFDESCRIPTOR_RX_OVERRUN_MASK) |
| { |
| /* The receive over run error. */ |
| eErrorStatic->statsRxOverRunErr++; |
| } |
| if (control & ENET_BUFFDESCRIPTOR_RX_LENVLIOLATE_MASK) |
| { |
| /* The receive length violation error. */ |
| eErrorStatic->statsRxLenGreaterErr++; |
| } |
| if (control & ENET_BUFFDESCRIPTOR_RX_NOOCTET_MASK) |
| { |
| /* The receive alignment error. */ |
| eErrorStatic->statsRxAlignErr++; |
| } |
| if (control & ENET_BUFFDESCRIPTOR_RX_CRC_MASK) |
| { |
| /* The receive CRC error. */ |
| eErrorStatic->statsRxFcsErr++; |
| } |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| uint16_t controlExt = curBuffDescrip->controlExtend1; |
| if (controlExt & ENET_BUFFDESCRIPTOR_RX_MACERR_MASK) |
| { |
| /* The MAC error. */ |
| eErrorStatic->statsRxMacErr++; |
| } |
| if (controlExt & ENET_BUFFDESCRIPTOR_RX_PHYERR_MASK) |
| { |
| /* The PHY error. */ |
| eErrorStatic->statsRxPhyErr++; |
| } |
| if (controlExt & ENET_BUFFDESCRIPTOR_RX_COLLISION_MASK) |
| { |
| /* The receive collision error. */ |
| eErrorStatic->statsRxCollisionErr++; |
| } |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| |
| break; |
| } |
| |
| /* Increase the buffer descriptor, if it is the last one, increase to first one of the ring buffer. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_RX_WRAP_MASK) |
| { |
| curBuffDescrip = handle->rxBdBase[0]; |
| } |
| else |
| { |
| curBuffDescrip++; |
| } |
| |
| } while (curBuffDescrip != handle->rxBdCurrent[0]); |
| } |
| |
| /*! |
| * brief Gets the size of the read frame for single ring. |
| * |
| * This function gets a received frame size from the ENET buffer descriptors. |
| * note The FCS of the frame is automatically removed by MAC and the size is the length without the FCS. |
| * After calling ENET_GetRxFrameSize, ENET_ReadFrame() should be called to update the |
| * receive buffers If the result is not "kStatus_ENET_RxFrameEmpty". |
| * |
| * param handle The ENET handler structure. This is the same handler pointer used in the ENET_Init. |
| * param length The length of the valid frame received. |
| * retval kStatus_ENET_RxFrameEmpty No frame received. Should not call ENET_ReadFrame to read frame. |
| * retval kStatus_ENET_RxFrameError Data error happens. ENET_ReadFrame should be called with NULL data |
| * and NULL length to update the receive buffers. |
| * retval kStatus_Success Receive a frame Successfully then the ENET_ReadFrame |
| * should be called with the right data buffer and the captured data length input. |
| */ |
| status_t ENET_GetRxFrameSize(enet_handle_t *handle, uint32_t *length) |
| { |
| assert(handle); |
| assert(handle->rxBdCurrent[0]); |
| assert(length); |
| |
| /* Reset the length to zero. */ |
| *length = 0; |
| |
| uint16_t validLastMask = ENET_BUFFDESCRIPTOR_RX_LAST_MASK | ENET_BUFFDESCRIPTOR_RX_EMPTY_MASK; |
| volatile enet_rx_bd_struct_t *curBuffDescrip = handle->rxBdCurrent[0]; |
| |
| /* Check the current buffer descriptor's empty flag. if empty means there is no frame received. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_RX_EMPTY_MASK) |
| { |
| return kStatus_ENET_RxFrameEmpty; |
| } |
| |
| do |
| { |
| /* Add check for abnormal case. */ |
| if ((!(curBuffDescrip->control & ENET_BUFFDESCRIPTOR_RX_EMPTY_MASK)) && (!curBuffDescrip->length)) |
| { |
| return kStatus_ENET_RxFrameError; |
| } |
| |
| /* Find the last buffer descriptor. */ |
| if ((curBuffDescrip->control & validLastMask) == ENET_BUFFDESCRIPTOR_RX_LAST_MASK) |
| { |
| /* The last buffer descriptor in the frame check the status of the received frame. */ |
| if ((curBuffDescrip->control & ENET_BUFFDESCRIPTOR_RX_ERR_MASK) |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| || (curBuffDescrip->controlExtend1 & ENET_BUFFDESCRIPTOR_RX_EXT_ERR_MASK) |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| ) |
| { |
| return kStatus_ENET_RxFrameError; |
| } |
| /* FCS is removed by MAC. */ |
| *length = curBuffDescrip->length; |
| return kStatus_Success; |
| } |
| /* Increase the buffer descriptor, if it is the last one, increase to first one of the ring buffer. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_RX_WRAP_MASK) |
| { |
| curBuffDescrip = handle->rxBdBase[0]; |
| } |
| else |
| { |
| curBuffDescrip++; |
| } |
| |
| } while (curBuffDescrip != handle->rxBdCurrent[0]); |
| |
| /* The frame is on processing - set to empty status to make application to receive it next time. */ |
| return kStatus_ENET_RxFrameEmpty; |
| } |
| |
| /*! |
| * brief Reads a frame from the ENET device for single ring. |
| * This function reads a frame (both the data and the length) from the ENET buffer descriptors. |
| * The ENET_GetRxFrameSize should be used to get the size of the prepared data buffer. |
| * This is an example: |
| * code |
| * uint32_t length; |
| * enet_handle_t g_handle; |
| * //Get the received frame size firstly. |
| * status = ENET_GetRxFrameSize(&g_handle, &length); |
| * if (length != 0) |
| * { |
| * //Allocate memory here with the size of "length" |
| * uint8_t *data = memory allocate interface; |
| * if (!data) |
| * { |
| * ENET_ReadFrame(ENET, &g_handle, NULL, 0); |
| * //Add the console warning log. |
| * } |
| * else |
| * { |
| * status = ENET_ReadFrame(ENET, &g_handle, data, length); |
| * //Call stack input API to deliver the data to stack |
| * } |
| * } |
| * else if (status == kStatus_ENET_RxFrameError) |
| * { |
| * //Update the received buffer when a error frame is received. |
| * ENET_ReadFrame(ENET, &g_handle, NULL, 0); |
| * } |
| * endcode |
| * param base ENET peripheral base address. |
| * param handle The ENET handler structure. This is the same handler pointer used in the ENET_Init. |
| * param data The data buffer provided by user to store the frame which memory size should be at least "length". |
| * param length The size of the data buffer which is still the length of the received frame. |
| * return The execute status, successful or failure. |
| */ |
| status_t ENET_ReadFrame(ENET_Type *base, enet_handle_t *handle, uint8_t *data, uint32_t length) |
| { |
| assert(handle); |
| assert(handle->rxBdCurrent[0]); |
| |
| uint32_t len = 0; |
| uint32_t offset = 0; |
| uint16_t control; |
| bool isLastBuff = false; |
| volatile enet_rx_bd_struct_t *curBuffDescrip = handle->rxBdCurrent[0]; |
| status_t result = kStatus_Success; |
| uint32_t address; |
| |
| /* For data-NULL input, only update the buffer descriptor. */ |
| if (!data) |
| { |
| do |
| { |
| /* Update the control flag. */ |
| control = handle->rxBdCurrent[0]->control; |
| /* Updates the receive buffer descriptors. */ |
| ENET_UpdateReadBuffers(base, handle, 0); |
| |
| /* Find the last buffer descriptor for the frame. */ |
| if (control & ENET_BUFFDESCRIPTOR_RX_LAST_MASK) |
| { |
| break; |
| } |
| |
| } while (handle->rxBdCurrent[0] != curBuffDescrip); |
| |
| return result; |
| } |
| else |
| { |
| /* A frame on one buffer or several receive buffers are both considered. */ |
| #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET |
| address = MEMORY_ConvertMemoryMapAddress((uint32_t)curBuffDescrip->buffer, kMEMORY_DMA2Local); |
| #else |
| address = (uint32_t)curBuffDescrip->buffer; |
| #endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */ |
| #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL |
| /* Add the cache invalidate maintain. */ |
| DCACHE_InvalidateByRange(address, handle->rxBuffSizeAlign[0]); |
| #endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */ |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| enet_ptp_time_data_t ptpTimestamp; |
| bool isPtpEventMessage = false; |
| /* Parse the PTP message according to the header message. */ |
| isPtpEventMessage = ENET_Ptp1588ParseFrame((uint8_t *)address, &ptpTimestamp, false); |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| |
| while (!isLastBuff) |
| { |
| /* The last buffer descriptor of a frame. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_RX_LAST_MASK) |
| { |
| /* This is a valid frame. */ |
| isLastBuff = true; |
| if (length == curBuffDescrip->length) |
| { |
| /* Copy the frame to user's buffer without FCS. */ |
| len = curBuffDescrip->length - offset; |
| memcpy(data + offset, (void *)address, len); |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| /* Store the PTP 1588 timestamp for received PTP event frame. */ |
| if (isPtpEventMessage) |
| { |
| /* Set the timestamp to the timestamp ring. */ |
| ptpTimestamp.timeStamp.nanosecond = curBuffDescrip->timestamp; |
| result = ENET_StoreRxFrameTime(base, handle, &ptpTimestamp); |
| } |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| |
| /* Updates the receive buffer descriptors. */ |
| ENET_UpdateReadBuffers(base, handle, 0); |
| return result; |
| } |
| else |
| { |
| /* Updates the receive buffer descriptors. */ |
| ENET_UpdateReadBuffers(base, handle, 0); |
| } |
| } |
| else |
| { |
| /* Store a frame on several buffer descriptors. */ |
| isLastBuff = false; |
| /* Length check. */ |
| if (offset >= length) |
| { |
| break; |
| } |
| |
| memcpy(data + offset, (void *)address, handle->rxBuffSizeAlign[0]); |
| offset += handle->rxBuffSizeAlign[0]; |
| |
| /* Updates the receive buffer descriptors. */ |
| ENET_UpdateReadBuffers(base, handle, 0); |
| } |
| |
| /* Get the current buffer descriptor. */ |
| curBuffDescrip = handle->rxBdCurrent[0]; |
| /* Add the cache invalidate maintain. */ |
| #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET |
| address = MEMORY_ConvertMemoryMapAddress((uint32_t)curBuffDescrip->buffer, kMEMORY_DMA2Local); |
| #else |
| address = (uint32_t)curBuffDescrip->buffer; |
| #endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */ |
| #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL |
| DCACHE_InvalidateByRange(address, handle->rxBuffSizeAlign[0]); |
| #endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */ |
| } |
| } |
| |
| return kStatus_ENET_RxFrameFail; |
| } |
| |
| static void ENET_UpdateReadBuffers(ENET_Type *base, enet_handle_t *handle, uint32_t ringId) |
| { |
| assert(handle); |
| assert(ringId < FSL_FEATURE_ENET_QUEUE); |
| |
| /* Clears status. */ |
| handle->rxBdCurrent[ringId]->control &= ENET_BUFFDESCRIPTOR_RX_WRAP_MASK; |
| /* Sets the receive buffer descriptor with the empty flag. */ |
| handle->rxBdCurrent[ringId]->control |= ENET_BUFFDESCRIPTOR_RX_EMPTY_MASK; |
| |
| /* Increase current buffer descriptor to the next one. */ |
| if (handle->rxBdCurrent[ringId]->control & ENET_BUFFDESCRIPTOR_RX_WRAP_MASK) |
| { |
| handle->rxBdCurrent[ringId] = handle->rxBdBase[ringId]; |
| } |
| else |
| { |
| handle->rxBdCurrent[ringId]++; |
| } |
| |
| __DSB(); |
| /* Actives the receive buffer descriptor. */ |
| switch (ringId) |
| { |
| case kENET_Ring0: |
| base->RDAR = ENET_RDAR_RDAR_MASK; |
| break; |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| case kENET_Ring1: |
| base->RDAR1 = ENET_RDAR1_RDAR_MASK; |
| break; |
| case kENET_Ring2: |
| base->RDAR2 = ENET_RDAR2_RDAR_MASK; |
| break; |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| default: |
| base->RDAR = ENET_RDAR_RDAR_MASK; |
| break; |
| } |
| } |
| |
| /*! |
| * brief Transmits an ENET frame for single ring. |
| * note The CRC is automatically appended to the data. Input the data |
| * to send without the CRC. |
| * |
| * |
| * param base ENET peripheral base address. |
| * param handle The ENET handler pointer. This is the same handler pointer used in the ENET_Init. |
| * param data The data buffer provided by user to be send. |
| * param length The length of the data to be send. |
| * retval kStatus_Success Send frame succeed. |
| * retval kStatus_ENET_TxFrameBusy Transmit buffer descriptor is busy under transmission. |
| * The transmit busy happens when the data send rate is over the MAC capacity. |
| * The waiting mechanism is recommended to be added after each call return with |
| * kStatus_ENET_TxFrameBusy. |
| */ |
| status_t ENET_SendFrame(ENET_Type *base, enet_handle_t *handle, const uint8_t *data, uint32_t length) |
| { |
| assert(handle); |
| assert(data); |
| |
| volatile enet_tx_bd_struct_t *curBuffDescrip; |
| uint32_t len = 0; |
| uint32_t sizeleft = 0; |
| uint32_t address; |
| |
| /* Check the frame length. */ |
| if (length > ENET_FRAME_MAX_FRAMELEN) |
| { |
| return kStatus_ENET_TxFrameOverLen; |
| } |
| |
| /* Check if the transmit buffer is ready. */ |
| curBuffDescrip = handle->txBdCurrent[0]; |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_READY_MASK) |
| { |
| return kStatus_ENET_TxFrameBusy; |
| } |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| bool isPtpEventMessage = false; |
| /* Check PTP message with the PTP header. */ |
| isPtpEventMessage = ENET_Ptp1588ParseFrame(data, NULL, true); |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| /* One transmit buffer is enough for one frame. */ |
| if (handle->txBuffSizeAlign[0] >= length) |
| { |
| /* Copy data to the buffer for uDMA transfer. */ |
| #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET |
| address = MEMORY_ConvertMemoryMapAddress((uint32_t)curBuffDescrip->buffer, kMEMORY_DMA2Local); |
| #else |
| address = (uint32_t)curBuffDescrip->buffer; |
| #endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */ |
| memcpy((void *)address, data, length); |
| #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL |
| DCACHE_CleanByRange(address, length); |
| #endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */ |
| /* Set data length. */ |
| curBuffDescrip->length = length; |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| /* For enable the timestamp. */ |
| if (isPtpEventMessage) |
| { |
| curBuffDescrip->controlExtend1 |= ENET_BUFFDESCRIPTOR_TX_TIMESTAMP_MASK; |
| } |
| else |
| { |
| curBuffDescrip->controlExtend1 &= ~ENET_BUFFDESCRIPTOR_TX_TIMESTAMP_MASK; |
| } |
| |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| curBuffDescrip->control |= (ENET_BUFFDESCRIPTOR_TX_READY_MASK | ENET_BUFFDESCRIPTOR_TX_LAST_MASK); |
| |
| /* Increase the buffer descriptor address. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_WRAP_MASK) |
| { |
| handle->txBdCurrent[0] = handle->txBdBase[0]; |
| } |
| else |
| { |
| handle->txBdCurrent[0]++; |
| } |
| /* Active the transmit buffer descriptor. */ |
| ENET_ActiveSend(base, 0); |
| |
| return kStatus_Success; |
| } |
| else |
| { |
| /* One frame requires more than one transmit buffers. */ |
| do |
| { |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| /* For enable the timestamp. */ |
| if (isPtpEventMessage) |
| { |
| curBuffDescrip->controlExtend1 |= ENET_BUFFDESCRIPTOR_TX_TIMESTAMP_MASK; |
| } |
| else |
| { |
| curBuffDescrip->controlExtend1 &= ~ENET_BUFFDESCRIPTOR_TX_TIMESTAMP_MASK; |
| } |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| |
| /* Increase the buffer descriptor address. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_WRAP_MASK) |
| { |
| handle->txBdCurrent[0] = handle->txBdBase[0]; |
| } |
| else |
| { |
| handle->txBdCurrent[0]++; |
| } |
| /* update the size left to be transmit. */ |
| sizeleft = length - len; |
| #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET |
| address = MEMORY_ConvertMemoryMapAddress((uint32_t)curBuffDescrip->buffer, kMEMORY_DMA2Local); |
| #else |
| address = (uint32_t)curBuffDescrip->buffer; |
| #endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */ |
| if (sizeleft > handle->txBuffSizeAlign[0]) |
| { |
| /* Data copy. */ |
| memcpy((void *)address, data + len, handle->txBuffSizeAlign[0]); |
| #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL |
| /* Add the cache clean maintain. */ |
| DCACHE_CleanByRange(address, handle->txBuffSizeAlign[0]); |
| #endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */ |
| /* Data length update. */ |
| curBuffDescrip->length = handle->txBuffSizeAlign[0]; |
| len += handle->txBuffSizeAlign[0]; |
| /* Sets the control flag. */ |
| curBuffDescrip->control &= ~ENET_BUFFDESCRIPTOR_TX_LAST_MASK; |
| curBuffDescrip->control |= ENET_BUFFDESCRIPTOR_TX_READY_MASK; |
| /* Active the transmit buffer descriptor*/ |
| ENET_ActiveSend(base, 0); |
| } |
| else |
| { |
| memcpy((void *)address, data + len, sizeleft); |
| #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL |
| /* Add the cache clean maintain. */ |
| DCACHE_CleanByRange(address, sizeleft); |
| #endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */ |
| curBuffDescrip->length = sizeleft; |
| /* Set Last buffer wrap flag. */ |
| curBuffDescrip->control |= ENET_BUFFDESCRIPTOR_TX_READY_MASK | ENET_BUFFDESCRIPTOR_TX_LAST_MASK; |
| /* Active the transmit buffer descriptor. */ |
| ENET_ActiveSend(base, 0); |
| |
| return kStatus_Success; |
| } |
| |
| /* Get the current buffer descriptor address. */ |
| curBuffDescrip = handle->txBdCurrent[0]; |
| |
| } while (!(curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_READY_MASK)); |
| |
| return kStatus_ENET_TxFrameBusy; |
| } |
| } |
| |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| /*! |
| * brief Gets the error statistics of received frame for extended multi-ring. |
| * |
| * This API must be called after the ENET_GetRxFrameSizeMultiRing and before the ENET_ReadFrameMultiRing(). |
| * If the ENET_GetRxFrameSizeMultiRing returns kStatus_ENET_RxFrameError, |
| * the ENET_GetRxErrBeforeReadFrameMultiRing can be used to get the exact error statistics. |
| * |
| * param handle The ENET handler structure pointer. This is the same handler pointer used in the ENET_Init. |
| * param eErrorStatic The error statistics structure pointer. |
| * param ringId The ring index, range from 0 ~ FSL_FEATURE_ENET_QUEUE - 1. |
| */ |
| void ENET_GetRxErrBeforeReadFrameMultiRing(enet_handle_t *handle, |
| enet_data_error_stats_t *eErrorStatic, |
| uint32_t ringId) |
| { |
| assert(handle); |
| assert(eErrorStatic); |
| assert(ringId < FSL_FEATURE_ENET_QUEUE); |
| |
| uint16_t control = 0; |
| volatile enet_rx_bd_struct_t *curBuffDescrip = handle->rxBdCurrent[ringId]; |
| |
| do |
| { |
| /* The last buffer descriptor of a frame. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_RX_LAST_MASK) |
| { |
| control = curBuffDescrip->control; |
| if (control & ENET_BUFFDESCRIPTOR_RX_TRUNC_MASK) |
| { |
| /* The receive truncate error. */ |
| eErrorStatic->statsRxTruncateErr++; |
| } |
| if (control & ENET_BUFFDESCRIPTOR_RX_OVERRUN_MASK) |
| { |
| /* The receive over run error. */ |
| eErrorStatic->statsRxOverRunErr++; |
| } |
| if (control & ENET_BUFFDESCRIPTOR_RX_LENVLIOLATE_MASK) |
| { |
| /* The receive length violation error. */ |
| eErrorStatic->statsRxLenGreaterErr++; |
| } |
| if (control & ENET_BUFFDESCRIPTOR_RX_NOOCTET_MASK) |
| { |
| /* The receive alignment error. */ |
| eErrorStatic->statsRxAlignErr++; |
| } |
| if (control & ENET_BUFFDESCRIPTOR_RX_CRC_MASK) |
| { |
| /* The receive CRC error. */ |
| eErrorStatic->statsRxFcsErr++; |
| } |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| uint16_t controlExt = curBuffDescrip->controlExtend1; |
| if (controlExt & ENET_BUFFDESCRIPTOR_RX_MACERR_MASK) |
| { |
| /* The MAC error. */ |
| eErrorStatic->statsRxMacErr++; |
| } |
| if (controlExt & ENET_BUFFDESCRIPTOR_RX_PHYERR_MASK) |
| { |
| /* The PHY error. */ |
| eErrorStatic->statsRxPhyErr++; |
| } |
| if (controlExt & ENET_BUFFDESCRIPTOR_RX_COLLISION_MASK) |
| { |
| /* The receive collision error. */ |
| eErrorStatic->statsRxCollisionErr++; |
| } |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| |
| break; |
| } |
| |
| /* Increase the buffer descriptor, if it is the last one, increase to first one of the ring buffer. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_RX_WRAP_MASK) |
| { |
| curBuffDescrip = handle->rxBdBase[ringId]; |
| } |
| else |
| { |
| curBuffDescrip++; |
| } |
| |
| } while (curBuffDescrip != handle->rxBdCurrent[ringId]); |
| } |
| |
| /*! |
| * brief Gets the size of the read frame for extended mutli-ring. |
| * |
| * This function gets a received frame size from the ENET buffer descriptors. |
| * note The FCS of the frame is automatically removed by MAC and the size is the length without the FCS. |
| * After calling ENET_GetRxFrameSizeMultiRing, ENET_ReadFrameMultiRing() should be called to update the |
| * receive buffers If the result is not "kStatus_ENET_RxFrameEmpty". The usage is |
| * the same to the single ring, refer to ENET_GetRxFrameSize. |
| * |
| * param handle The ENET handler structure. This is the same handler pointer used in the ENET_Init. |
| * param length The length of the valid frame received. |
| * param ringId The ring index or ring number; |
| * retval kStatus_ENET_RxFrameEmpty No frame received. Should not call ENET_ReadFrameMultiRing to read frame. |
| * retval kStatus_ENET_RxFrameError Data error happens. ENET_ReadFrameMultiRing should be called with NULL data |
| * and NULL length to update the receive buffers. |
| * retval kStatus_Success Receive a frame Successfully then the ENET_ReadFrame |
| * should be called with the right data buffer and the captured data length input. |
| */ |
| status_t ENET_GetRxFrameSizeMultiRing(enet_handle_t *handle, uint32_t *length, uint32_t ringId) |
| { |
| assert(handle); |
| assert(length); |
| assert(ringId < FSL_FEATURE_ENET_QUEUE); |
| |
| /* Reset the length to zero. */ |
| *length = 0; |
| uint16_t validLastMask = ENET_BUFFDESCRIPTOR_RX_LAST_MASK | ENET_BUFFDESCRIPTOR_RX_EMPTY_MASK; |
| volatile enet_rx_bd_struct_t *curBuffDescrip; |
| |
| curBuffDescrip = handle->rxBdCurrent[ringId]; |
| /* Check the current buffer descriptor's empty flag. if empty means there is no frame received. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_RX_EMPTY_MASK) |
| { |
| return kStatus_ENET_RxFrameEmpty; |
| } |
| |
| do |
| { |
| /* Add check for abnormal case. */ |
| if ((!(curBuffDescrip->control & ENET_BUFFDESCRIPTOR_RX_EMPTY_MASK)) && (!curBuffDescrip->length)) |
| { |
| return kStatus_ENET_RxFrameError; |
| } |
| /* Find the last buffer descriptor. */ |
| if ((curBuffDescrip->control & validLastMask) == ENET_BUFFDESCRIPTOR_RX_LAST_MASK) |
| { |
| /* The last buffer descriptor in the frame check the status of the received frame. */ |
| if ((curBuffDescrip->control & ENET_BUFFDESCRIPTOR_RX_ERR_MASK) |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| || (curBuffDescrip->controlExtend1 & ENET_BUFFDESCRIPTOR_RX_EXT_ERR_MASK) |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| ) |
| { |
| return kStatus_ENET_RxFrameError; |
| } |
| /* FCS is removed by MAC. */ |
| *length = curBuffDescrip->length; |
| return kStatus_Success; |
| } |
| /* Increase the buffer descriptor, if it is the last one, increase to first one of the ring buffer. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_RX_WRAP_MASK) |
| { |
| curBuffDescrip = handle->rxBdBase[ringId]; |
| } |
| else |
| { |
| curBuffDescrip++; |
| } |
| } while (curBuffDescrip != handle->rxBdCurrent[ringId]); |
| |
| /* The frame is on processing - set to empty status to make application to receive it next time. */ |
| return kStatus_ENET_RxFrameEmpty; |
| } |
| |
| /*! |
| * brief Reads a frame from the ENET device for multi-ring. |
| * |
| * This function reads a frame (both the data and the length) from the ENET buffer descriptors. |
| * The ENET_GetRxFrameSizeMultiRing should be used to get the size of the prepared data buffer. |
| * This usage is the same as the single ring, refer to ENET_ReadFrame. |
| |
| * param base ENET peripheral base address. |
| * param handle The ENET handler structure. This is the same handler pointer used in the ENET_Init. |
| * param data The data buffer provided by user to store the frame which memory size should be at least "length". |
| * param length The size of the data buffer which is still the length of the received frame. |
| * param ringId The ring index or ring number; |
| * return The execute status, successful or failure. |
| */ |
| status_t ENET_ReadFrameMultiRing( |
| ENET_Type *base, enet_handle_t *handle, uint8_t *data, uint32_t length, uint32_t ringId) |
| { |
| assert(handle); |
| assert(ringId < FSL_FEATURE_ENET_QUEUE); |
| |
| uint32_t len = 0; |
| uint32_t offset = 0; |
| uint16_t control; |
| bool isLastBuff = false; |
| volatile enet_rx_bd_struct_t *curBuffDescrip = handle->rxBdCurrent[ringId]; |
| status_t result = kStatus_Success; |
| uint32_t address; |
| |
| /* For data-NULL input, only update the buffer descriptor. */ |
| if (!data) |
| { |
| do |
| { |
| /* Update the control flag. */ |
| control = handle->rxBdCurrent[ringId]->control; |
| /* Updates the receive buffer descriptors. */ |
| ENET_UpdateReadBuffers(base, handle, ringId); |
| |
| /* Find the last buffer descriptor for the frame. */ |
| if (control & ENET_BUFFDESCRIPTOR_RX_LAST_MASK) |
| { |
| break; |
| } |
| |
| } while (handle->rxBdCurrent[ringId] != curBuffDescrip); |
| |
| return result; |
| } |
| else |
| { |
| /* A frame on one buffer or several receive buffers are both considered. */ |
| #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET |
| address = MEMORY_ConvertMemoryMapAddress((uint32_t)curBuffDescrip->buffer, kMEMORY_DMA2Local); |
| #else |
| address = (uint32_t)curBuffDescrip->buffer; |
| #endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */ |
| #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL |
| /* Add the cache invalidate maintain. */ |
| DCACHE_InvalidateByRange(address, handle->rxBuffSizeAlign[ringId]); |
| #endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */ |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| enet_ptp_time_data_t ptpTimestamp; |
| bool isPtpEventMessage = false; |
| /* Parse the PTP message according to the header message. */ |
| isPtpEventMessage = ENET_Ptp1588ParseFrame((uint8_t *)address, &ptpTimestamp, false); |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| |
| while (!isLastBuff) |
| { |
| /* The last buffer descriptor of a frame. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_RX_LAST_MASK) |
| { |
| /* This is a valid frame. */ |
| isLastBuff = true; |
| if (length == curBuffDescrip->length) |
| { |
| /* Copy the frame to user's buffer without FCS. */ |
| len = curBuffDescrip->length - offset; |
| memcpy(data + offset, (void *)address, len); |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| /* Store the PTP 1588 timestamp for received PTP event frame. */ |
| if (isPtpEventMessage) |
| { |
| /* Set the timestamp to the timestamp ring. */ |
| ptpTimestamp.timeStamp.nanosecond = curBuffDescrip->timestamp; |
| result = ENET_StoreRxFrameTime(base, handle, &ptpTimestamp); |
| } |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| |
| /* Updates the receive buffer descriptors. */ |
| ENET_UpdateReadBuffers(base, handle, ringId); |
| return result; |
| } |
| else |
| { |
| /* Updates the receive buffer descriptors. */ |
| ENET_UpdateReadBuffers(base, handle, ringId); |
| } |
| } |
| else |
| { |
| /* Store a frame on several buffer descriptors. */ |
| isLastBuff = false; |
| /* Length check. */ |
| if (offset >= length) |
| { |
| break; |
| } |
| memcpy(data + offset, (void *)address, handle->rxBuffSizeAlign[ringId]); |
| offset += handle->rxBuffSizeAlign[ringId]; |
| |
| /* Updates the receive buffer descriptors. */ |
| ENET_UpdateReadBuffers(base, handle, ringId); |
| } |
| |
| /* Get the current buffer descriptor. */ |
| |
| curBuffDescrip = handle->rxBdCurrent[ringId]; |
| #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET |
| address = MEMORY_ConvertMemoryMapAddress((uint32_t)curBuffDescrip->buffer, kMEMORY_DMA2Local); |
| #else |
| address = (uint32_t)curBuffDescrip->buffer; |
| #endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */ |
| #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL |
| /* Add the cache invalidate maintain. */ |
| DCACHE_InvalidateByRange(address, handle->rxBuffSizeAlign[ringId]); |
| #endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */ |
| } |
| } |
| |
| return kStatus_ENET_RxFrameFail; |
| } |
| |
| /*! |
| * brief Transmits an ENET frame for extended multi-ring. |
| * note The CRC is automatically appended to the data. Input the data |
| * to send without the CRC. |
| * |
| * In this API, multiple-ring are mainly used for extended avb frames are supported. |
| * The transmit scheme for avb frames is the credit-based scheme, the AVB class A, AVB class B |
| * and the non-AVB frame are transmitted in ring 1, ring 2 and ring 0 independently. |
| * So application should care about the transmit ring index when use multiple-ring transmission. |
| * |
| * param base ENET peripheral base address. |
| * param handle The ENET handler pointer. This is the same handler pointer used in the ENET_Init. |
| * param data The data buffer provided by user to be send. |
| * param length The length of the data to be send. |
| * param ringId The ring index for transmission. |
| * retval kStatus_Success Send frame succeed. |
| * retval kStatus_ENET_TxFrameBusy Transmit buffer descriptor is busy under transmission. |
| * The transmit busy happens when the data send rate is over the MAC capacity. |
| * The waiting mechanism is recommended to be added after each call return with |
| * kStatus_ENET_TxFrameBusy. |
| */ |
| status_t ENET_SendFrameMultiRing( |
| ENET_Type *base, enet_handle_t *handle, uint8_t *data, uint32_t length, uint32_t ringId) |
| { |
| assert(handle); |
| assert(data); |
| assert(ringId < FSL_FEATURE_ENET_QUEUE); |
| |
| volatile enet_tx_bd_struct_t *curBuffDescrip; |
| uint32_t len = 0; |
| uint32_t sizeleft = 0; |
| uint32_t address; |
| |
| /* Check the frame length. */ |
| if (length > ENET_FRAME_MAX_FRAMELEN) |
| { |
| return kStatus_ENET_TxFrameOverLen; |
| } |
| |
| /* Check if the transmit buffer is ready. */ |
| curBuffDescrip = handle->txBdCurrent[ringId]; |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_READY_MASK) |
| { |
| return kStatus_ENET_TxFrameBusy; |
| } |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| bool isPtpEventMessage = false; |
| /* Check PTP message with the PTP header. */ |
| isPtpEventMessage = ENET_Ptp1588ParseFrame(data, NULL, true); |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| /* One transmit buffer is enough for one frame. */ |
| if (handle->txBuffSizeAlign[ringId] >= length) |
| { |
| /* Copy data to the buffer for uDMA transfer. */ |
| #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET |
| address = MEMORY_ConvertMemoryMapAddress((uint32_t)curBuffDescrip->buffer, kMEMORY_DMA2Local); |
| #else |
| address = (uint32_t)curBuffDescrip->buffer; |
| #endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */ |
| memcpy((void *)address, data, length); |
| |
| #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL |
| /* Add the cache clean maintain. */ |
| DCACHE_CleanByRange(address, length); |
| #endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */ |
| |
| /* Set data length. */ |
| curBuffDescrip->length = length; |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| /* For enable the timestamp. */ |
| if (isPtpEventMessage) |
| { |
| curBuffDescrip->controlExtend1 |= ENET_BUFFDESCRIPTOR_TX_TIMESTAMP_MASK; |
| } |
| else |
| { |
| curBuffDescrip->controlExtend1 &= ~ENET_BUFFDESCRIPTOR_TX_TIMESTAMP_MASK; |
| } |
| |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| curBuffDescrip->control |= (ENET_BUFFDESCRIPTOR_TX_READY_MASK | ENET_BUFFDESCRIPTOR_TX_LAST_MASK); |
| |
| /* Increase the buffer descriptor address. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_WRAP_MASK) |
| { |
| handle->txBdCurrent[ringId] = handle->txBdBase[ringId]; |
| } |
| else |
| { |
| handle->txBdCurrent[ringId]++; |
| } |
| |
| /* Active the transmit buffer descriptor. */ |
| ENET_ActiveSend(base, ringId); |
| |
| return kStatus_Success; |
| } |
| else |
| { |
| /* One frame requires more than one transmit buffers. */ |
| do |
| { |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| /* For enable the timestamp. */ |
| if (isPtpEventMessage) |
| { |
| curBuffDescrip->controlExtend1 |= ENET_BUFFDESCRIPTOR_TX_TIMESTAMP_MASK; |
| } |
| else |
| { |
| curBuffDescrip->controlExtend1 &= ~ENET_BUFFDESCRIPTOR_TX_TIMESTAMP_MASK; |
| } |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| |
| /* Increase the buffer descriptor address. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_WRAP_MASK) |
| { |
| handle->txBdCurrent[ringId] = handle->txBdBase[ringId]; |
| } |
| else |
| { |
| handle->txBdCurrent[ringId]++; |
| } |
| /* update the size left to be transmit. */ |
| sizeleft = length - len; |
| #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET |
| address = MEMORY_ConvertMemoryMapAddress((uint32_t)curBuffDescrip->buffer, kMEMORY_DMA2Local); |
| #else |
| address = (uint32_t)curBuffDescrip->buffer; |
| #endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */ |
| if (sizeleft > handle->txBuffSizeAlign[ringId]) |
| { |
| /* Data copy. */ |
| memcpy((void *)address, data + len, handle->txBuffSizeAlign[ringId]); |
| #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL |
| /* Add the cache clean maintain. */ |
| DCACHE_CleanByRange(address, handle->txBuffSizeAlign[ringId]); |
| #endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */ |
| /* Data length update. */ |
| curBuffDescrip->length = handle->txBuffSizeAlign[ringId]; |
| len += handle->txBuffSizeAlign[ringId]; |
| /* Sets the control flag. */ |
| curBuffDescrip->control &= ~ENET_BUFFDESCRIPTOR_TX_LAST_MASK; |
| curBuffDescrip->control |= ENET_BUFFDESCRIPTOR_TX_READY_MASK; |
| |
| /* Active the transmit buffer descriptor*/ |
| ENET_ActiveSend(base, ringId); |
| } |
| else |
| { |
| memcpy((void *)address, data + len, sizeleft); |
| #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL |
| /* Add the cache clean maintain. */ |
| DCACHE_CleanByRange(address, sizeleft); |
| #endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */ |
| curBuffDescrip->length = sizeleft; |
| /* Set Last buffer wrap flag. */ |
| curBuffDescrip->control |= ENET_BUFFDESCRIPTOR_TX_READY_MASK | ENET_BUFFDESCRIPTOR_TX_LAST_MASK; |
| |
| /* Active the transmit buffer descriptor. */ |
| ENET_ActiveSend(base, ringId); |
| |
| return kStatus_Success; |
| } |
| |
| /* Get the current buffer descriptor address. */ |
| curBuffDescrip = handle->txBdCurrent[ringId]; |
| } while (!(curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_READY_MASK)); |
| |
| return kStatus_ENET_TxFrameBusy; |
| } |
| } |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| |
| /*! |
| * brief Adds the ENET device to a multicast group. |
| * |
| * param base ENET peripheral base address. |
| * param address The six-byte multicast group address which is provided by application. |
| */ |
| void ENET_AddMulticastGroup(ENET_Type *base, uint8_t *address) |
| { |
| assert(address); |
| |
| uint32_t crc = 0xFFFFFFFFU; |
| uint32_t count1 = 0; |
| uint32_t count2 = 0; |
| |
| /* Calculates the CRC-32 polynomial on the multicast group address. */ |
| for (count1 = 0; count1 < ENET_FRAME_MACLEN; count1++) |
| { |
| uint8_t c = address[count1]; |
| for (count2 = 0; count2 < 0x08U; count2++) |
| { |
| if ((c ^ crc) & 1U) |
| { |
| crc >>= 1U; |
| c >>= 1U; |
| crc ^= 0xEDB88320U; |
| } |
| else |
| { |
| crc >>= 1U; |
| c >>= 1U; |
| } |
| } |
| } |
| |
| /* Enable a multicast group address. */ |
| if (!((crc >> 0x1FU) & 1U)) |
| { |
| base->GALR |= 1U << ((crc >> 0x1AU) & 0x1FU); |
| } |
| else |
| { |
| base->GAUR |= 1U << ((crc >> 0x1AU) & 0x1FU); |
| } |
| } |
| |
| /*! |
| * brief Moves the ENET device from a multicast group. |
| * |
| * param base ENET peripheral base address. |
| * param address The six-byte multicast group address which is provided by application. |
| */ |
| void ENET_LeaveMulticastGroup(ENET_Type *base, uint8_t *address) |
| { |
| assert(address); |
| |
| uint32_t crc = 0xFFFFFFFFU; |
| uint32_t count1 = 0; |
| uint32_t count2 = 0; |
| |
| /* Calculates the CRC-32 polynomial on the multicast group address. */ |
| for (count1 = 0; count1 < ENET_FRAME_MACLEN; count1++) |
| { |
| uint8_t c = address[count1]; |
| for (count2 = 0; count2 < 0x08U; count2++) |
| { |
| if ((c ^ crc) & 1U) |
| { |
| crc >>= 1U; |
| c >>= 1U; |
| crc ^= 0xEDB88320U; |
| } |
| else |
| { |
| crc >>= 1U; |
| c >>= 1U; |
| } |
| } |
| } |
| |
| /* Set the hash table. */ |
| if (!((crc >> 0x1FU) & 1U)) |
| { |
| base->GALR &= ~(1U << ((crc >> 0x1AU) & 0x1FU)); |
| } |
| else |
| { |
| base->GAUR &= ~(1U << ((crc >> 0x1AU) & 0x1FU)); |
| } |
| } |
| |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| /*! |
| * brief Gets the ENET transmit frame statistics after the data send for single ring. |
| * |
| * This interface gets the error statistics of the transmit frame. |
| * Because the error information is reported by the uDMA after the data delivery, this interface |
| * should be called after the data transmit API. It is recommended to call this function on |
| * transmit interrupt handler. After calling the ENET_SendFrame, the |
| * transmit interrupt notifies the transmit completion. |
| * |
| * param handle The PTP handler pointer. This is the same handler pointer used in the ENET_Init. |
| * param eErrorStatic The error statistics structure pointer. |
| * return The execute status. |
| */ |
| status_t ENET_GetTxErrAfterSendFrame(enet_handle_t *handle, enet_data_error_stats_t *eErrorStatic) |
| { |
| assert(handle); |
| assert(eErrorStatic); |
| |
| uint16_t control = 0; |
| uint16_t controlExt = 0; |
| |
| do |
| { |
| /* Get the current dirty transmit buffer descriptor. */ |
| control = handle->txBdDirtyStatic[0]->control; |
| controlExt = handle->txBdDirtyStatic[0]->controlExtend0; |
| |
| /* Get the control status data, If the buffer descriptor has not been processed break out. */ |
| if (control & ENET_BUFFDESCRIPTOR_TX_READY_MASK) |
| { |
| return kStatus_ENET_TxFrameBusy; |
| } |
| /* Increase the transmit dirty static pointer. */ |
| if (handle->txBdDirtyStatic[0]->control & ENET_BUFFDESCRIPTOR_TX_WRAP_MASK) |
| { |
| handle->txBdDirtyStatic[0] = handle->txBdBase[0]; |
| } |
| else |
| { |
| handle->txBdDirtyStatic[0]++; |
| } |
| |
| /* If the transmit buffer descriptor is ready and the last buffer descriptor, store packet statistic. */ |
| if (control & ENET_BUFFDESCRIPTOR_TX_LAST_MASK) |
| { |
| if (controlExt & ENET_BUFFDESCRIPTOR_TX_ERR_MASK) |
| { |
| /* Transmit error. */ |
| eErrorStatic->statsTxErr++; |
| } |
| if (controlExt & ENET_BUFFDESCRIPTOR_TX_EXCCOLLISIONERR_MASK) |
| { |
| /* Transmit excess collision error. */ |
| eErrorStatic->statsTxExcessCollisionErr++; |
| } |
| if (controlExt & ENET_BUFFDESCRIPTOR_TX_LATECOLLISIONERR_MASK) |
| { |
| /* Transmit late collision error. */ |
| eErrorStatic->statsTxLateCollisionErr++; |
| } |
| if (controlExt & ENET_BUFFDESCRIPTOR_TX_UNDERFLOWERR_MASK) |
| { |
| /* Transmit under flow error. */ |
| eErrorStatic->statsTxUnderFlowErr++; |
| } |
| if (controlExt & ENET_BUFFDESCRIPTOR_TX_OVERFLOWERR_MASK) |
| { |
| /* Transmit over flow error. */ |
| eErrorStatic->statsTxOverFlowErr++; |
| } |
| return kStatus_Success; |
| } |
| |
| } while (handle->txBdDirtyStatic[0] != handle->txBdCurrent[0]); |
| |
| return kStatus_ENET_TxFrameFail; |
| } |
| |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| /*! |
| * brief Gets the ENET transmit frame statistics after the data send for extended multi-ring. |
| * |
| * This interface gets the error statistics of the transmit frame. |
| * Because the error information is reported by the uDMA after the data delivery, this interface |
| * should be called after the data transmit API and shall be called by transmit interrupt handler. |
| * After calling the ENET_SendFrame, the transmit interrupt notifies the transmit completion. |
| * |
| * param handle The PTP handler pointer. This is the same handler pointer used in the ENET_Init. |
| * param eErrorStatic The error statistics structure pointer. |
| * param ringId The ring index. |
| * return The execute status. |
| */ |
| status_t ENET_GetTxErrAfterSendFrameMultiRing(enet_handle_t *handle, |
| enet_data_error_stats_t *eErrorStatic, |
| uint32_t ringId) |
| { |
| assert(handle); |
| assert(eErrorStatic); |
| assert(ringId < FSL_FEATURE_ENET_QUEUE); |
| |
| uint16_t control = 0; |
| uint16_t controlExt = 0; |
| |
| do |
| { |
| /* Get the current dirty transmit buffer descriptor. */ |
| control = handle->txBdDirtyStatic[ringId]->control; |
| controlExt = handle->txBdDirtyStatic[ringId]->controlExtend0; |
| /* Get the control status data, If the buffer descriptor has not been processed break out. */ |
| if (control & ENET_BUFFDESCRIPTOR_TX_READY_MASK) |
| { |
| return kStatus_ENET_TxFrameBusy; |
| } |
| /* Increase the transmit dirty static pointer. */ |
| if (handle->txBdDirtyStatic[ringId]->control & ENET_BUFFDESCRIPTOR_TX_WRAP_MASK) |
| { |
| handle->txBdDirtyStatic[ringId] = handle->txBdBase[ringId]; |
| } |
| else |
| { |
| handle->txBdDirtyStatic[ringId]++; |
| } |
| |
| /* If the transmit buffer descriptor is ready and the last buffer descriptor, store packet statistic. */ |
| if (control & ENET_BUFFDESCRIPTOR_TX_LAST_MASK) |
| { |
| if (controlExt & ENET_BUFFDESCRIPTOR_TX_ERR_MASK) |
| { |
| /* Transmit error. */ |
| eErrorStatic->statsTxErr++; |
| } |
| if (controlExt & ENET_BUFFDESCRIPTOR_TX_EXCCOLLISIONERR_MASK) |
| { |
| /* Transmit excess collision error. */ |
| eErrorStatic->statsTxExcessCollisionErr++; |
| } |
| if (controlExt & ENET_BUFFDESCRIPTOR_TX_LATECOLLISIONERR_MASK) |
| { |
| /* Transmit late collision error. */ |
| eErrorStatic->statsTxLateCollisionErr++; |
| } |
| if (controlExt & ENET_BUFFDESCRIPTOR_TX_UNDERFLOWERR_MASK) |
| { |
| /* Transmit under flow error. */ |
| eErrorStatic->statsTxUnderFlowErr++; |
| } |
| if (controlExt & ENET_BUFFDESCRIPTOR_TX_OVERFLOWERR_MASK) |
| { |
| /* Transmit over flow error. */ |
| eErrorStatic->statsTxOverFlowErr++; |
| } |
| return kStatus_Success; |
| } |
| |
| } while (handle->txBdDirtyStatic[ringId] != handle->txBdCurrent[ringId]); |
| |
| return kStatus_ENET_TxFrameFail; |
| } |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| |
| static bool ENET_Ptp1588ParseFrame(const uint8_t *data, enet_ptp_time_data_t *ptpTsData, bool isFastEnabled) |
| { |
| assert(data); |
| if (!isFastEnabled) |
| { |
| assert(ptpTsData); |
| } |
| |
| bool isPtpMsg = false; |
| const uint8_t *buffer = data; |
| uint16_t ptpType; |
| |
| /* Check for VLAN frame. |
| * Add Double vlan tag check for receiving extended QIN vlan frame. */ |
| if (*(uint16_t *)(buffer + ENET_PTP1588_ETHL2_PACKETTYPE_OFFSET) == (ENET_HTONS(ENET_8021QVLAN) |
| #if defined(FSL_FEATUR_ENET_HAS_AVB) && FSL_FEATURE_HAS_AVB |
| || ENET_HTONS(ENET_8021QSVLAN) |
| #endif /* FSL_FEATURE_ENET_HAS_AVB */ |
| )) |
| { |
| buffer += ENET_FRAME_VLAN_TAGLEN; |
| #if defined(FSL_FEATUR_ENET_HAS_AVB) && FSL_FEATURE_HAS_AVB |
| if (*(uint16_t *)(buffer + ENET_PTP1588_ETHL2_PACKETTYPE_OFFSET) == ENET_HTONS(ENET_8021QVLAN) |
| { |
| buffer += ENET_FRAME_VLAN_TAGLEN; |
| } |
| #endif /* FSL_FEATURE_ENET_HAS_AVB */ |
| } |
| |
| ptpType = *(uint16_t *)(buffer + ENET_PTP1588_ETHL2_PACKETTYPE_OFFSET); |
| switch (ENET_HTONS(ptpType)) |
| { /* Ethernet layer 2. */ |
| case ENET_ETHERNETL2: |
| if ((*(uint8_t *)(buffer + ENET_PTP1588_ETHL2_MSGTYPE_OFFSET) & 0x0F) <= kENET_PtpEventMsgType) |
| { |
| isPtpMsg = true; |
| if (!isFastEnabled) |
| { |
| /* It's a ptpv2 message and store the ptp header information. */ |
| ptpTsData->version = (*(uint8_t *)(buffer + ENET_PTP1588_ETHL2_VERSION_OFFSET)) & 0x0F; |
| ptpTsData->messageType = (*(uint8_t *)(buffer + ENET_PTP1588_ETHL2_MSGTYPE_OFFSET)) & 0x0F; |
| ptpTsData->sequenceId = ENET_HTONS(*(uint16_t *)(buffer + ENET_PTP1588_ETHL2_SEQUENCEID_OFFSET)); |
| memcpy((void *)&ptpTsData->sourcePortId[0], (void *)(buffer + ENET_PTP1588_ETHL2_CLOCKID_OFFSET), |
| kENET_PtpSrcPortIdLen); |
| } |
| } |
| break; |
| /* IPV4. */ |
| case ENET_IPV4: |
| if ((*(uint8_t *)(buffer + ENET_PTP1588_IPVERSION_OFFSET) >> 4) == ENET_IPV4VERSION) |
| { |
| if (((*(uint16_t *)(buffer + ENET_PTP1588_IPV4_UDP_PORT_OFFSET)) == ENET_HTONS(kENET_PtpEventPort)) && |
| (*(uint8_t *)(buffer + ENET_PTP1588_IPV4_UDP_PROTOCOL_OFFSET) == ENET_UDPVERSION)) |
| { |
| /* Set the PTP message flag. */ |
| isPtpMsg = true; |
| if (!isFastEnabled) |
| { |
| /* It's a IPV4 ptp message and store the ptp header information. */ |
| ptpTsData->version = (*(uint8_t *)(buffer + ENET_PTP1588_IPV4_UDP_VERSION_OFFSET)) & 0x0F; |
| ptpTsData->messageType = (*(uint8_t *)(buffer + ENET_PTP1588_IPV4_UDP_MSGTYPE_OFFSET)) & 0x0F; |
| ptpTsData->sequenceId = |
| ENET_HTONS(*(uint16_t *)(buffer + ENET_PTP1588_IPV4_UDP_SEQUENCEID_OFFSET)); |
| memcpy((void *)&ptpTsData->sourcePortId[0], |
| (void *)(buffer + ENET_PTP1588_IPV4_UDP_CLKID_OFFSET), kENET_PtpSrcPortIdLen); |
| } |
| } |
| } |
| break; |
| /* IPV6. */ |
| case ENET_IPV6: |
| if ((*(uint8_t *)(buffer + ENET_PTP1588_IPVERSION_OFFSET) >> 4) == ENET_IPV6VERSION) |
| { |
| if (((*(uint16_t *)(buffer + ENET_PTP1588_IPV6_UDP_PORT_OFFSET)) == ENET_HTONS(kENET_PtpEventPort)) && |
| (*(uint8_t *)(buffer + ENET_PTP1588_IPV6_UDP_PROTOCOL_OFFSET) == ENET_UDPVERSION)) |
| { |
| /* Set the PTP message flag. */ |
| isPtpMsg = true; |
| if (!isFastEnabled) |
| { |
| /* It's a IPV6 ptp message and store the ptp header information. */ |
| ptpTsData->version = (*(uint8_t *)(buffer + ENET_PTP1588_IPV6_UDP_VERSION_OFFSET)) & 0x0F; |
| ptpTsData->messageType = (*(uint8_t *)(buffer + ENET_PTP1588_IPV6_UDP_MSGTYPE_OFFSET)) & 0x0F; |
| ptpTsData->sequenceId = |
| ENET_HTONS(*(uint16_t *)(buffer + ENET_PTP1588_IPV6_UDP_SEQUENCEID_OFFSET)); |
| memcpy((void *)&ptpTsData->sourcePortId[0], |
| (void *)(buffer + ENET_PTP1588_IPV6_UDP_CLKID_OFFSET), kENET_PtpSrcPortIdLen); |
| } |
| } |
| } |
| break; |
| default: |
| break; |
| } |
| return isPtpMsg; |
| } |
| |
| /*! |
| * brief Configures the ENET PTP IEEE 1588 feature with the basic configuration. |
| * The function sets the clock for PTP 1588 timer and enables |
| * time stamp interrupts and transmit interrupts for PTP 1588 features. |
| * This API should be called when the 1588 feature is enabled |
| * or the ENET_ENHANCEDBUFFERDESCRIPTOR_MODE is defined. |
| * ENET_Init should be called before calling this API. |
| * |
| * note The PTP 1588 time-stamp second increase though time-stamp interrupt handler |
| * and the transmit time-stamp store is done through transmit interrupt handler. |
| * As a result, the TS interrupt and TX interrupt are enabled when you call this API. |
| * |
| * param base ENET peripheral base address. |
| * param handle ENET handler pointer. |
| * param ptpConfig The ENET PTP1588 configuration. |
| */ |
| void ENET_Ptp1588Configure(ENET_Type *base, enet_handle_t *handle, enet_ptp_config_t *ptpConfig) |
| { |
| assert(handle); |
| assert(ptpConfig); |
| uint8_t count; |
| |
| uint32_t instance = ENET_GetInstance(base); |
| uint32_t mask = kENET_TxBufferInterrupt; |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| mask |= kENET_TxBuffer1Interrupt | kENET_TxBuffer2Interrupt; |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| |
| /* Start the 1588 timer. */ |
| ENET_Ptp1588StartTimer(base, ptpConfig->ptp1588ClockSrc_Hz); |
| |
| for (count = 0; count < handle->ringNum; count++) |
| { |
| handle->txBdDirtyTime[count] = handle->txBdBase[count]; |
| handle->txBdDirtyStatic[count] = handle->txBdBase[count]; |
| } |
| |
| /* Setting the receive and transmit state for transaction. */ |
| handle->rxPtpTsDataRing.ptpTsData = ptpConfig->rxPtpTsData; |
| handle->rxPtpTsDataRing.size = ptpConfig->ptpTsRxBuffNum; |
| handle->rxPtpTsDataRing.front = 0; |
| handle->rxPtpTsDataRing.end = 0; |
| handle->txPtpTsDataRing.ptpTsData = ptpConfig->txPtpTsData; |
| handle->txPtpTsDataRing.size = ptpConfig->ptpTsTxBuffNum; |
| handle->txPtpTsDataRing.front = 0; |
| handle->txPtpTsDataRing.end = 0; |
| handle->msTimerSecond = 0; |
| |
| /* Set the IRQ handler when the interrupt is enabled. */ |
| s_enetTxIsr = ENET_TransmitIRQHandler; |
| s_enetTsIsr = ENET_Ptp1588TimerIRQHandler; |
| |
| /* Enables the time stamp interrupt and transmit frame interrupt to |
| * handle the time-stamp . */ |
| ENET_EnableInterrupts(base, (ENET_TS_INTERRUPT | ENET_TX_INTERRUPT)); |
| ENET_DisableInterrupts(base, mask); |
| |
| EnableIRQ(s_enetTsIrqId[instance]); |
| EnableIRQ(s_enetTxIrqId[instance]); |
| } |
| |
| /*! |
| * brief Starts the ENET PTP 1588 Timer. |
| * This function is used to initialize the PTP timer. After the PTP starts, |
| * the PTP timer starts running. |
| * |
| * param base ENET peripheral base address. |
| * param ptpClkSrc The clock source of the PTP timer. |
| */ |
| void ENET_Ptp1588StartTimer(ENET_Type *base, uint32_t ptpClkSrc) |
| { |
| /* Restart PTP 1588 timer, master clock. */ |
| base->ATCR = ENET_ATCR_RESTART_MASK; |
| |
| /* Initializes PTP 1588 timer. */ |
| base->ATINC = ENET_ATINC_INC(ENET_NANOSECOND_ONE_SECOND / ptpClkSrc); |
| base->ATPER = ENET_NANOSECOND_ONE_SECOND; |
| /* Sets periodical event and the event signal output assertion and Actives PTP 1588 timer. */ |
| base->ATCR = ENET_ATCR_PEREN_MASK | ENET_ATCR_PINPER_MASK | ENET_ATCR_EN_MASK; |
| } |
| |
| /*! |
| * brief Gets the current ENET time from the PTP 1588 timer. |
| * |
| * param base ENET peripheral base address. |
| * param handle The ENET state pointer. This is the same state pointer used in the ENET_Init. |
| * param ptpTime The PTP timer structure. |
| */ |
| void ENET_Ptp1588GetTimer(ENET_Type *base, enet_handle_t *handle, enet_ptp_time_t *ptpTime) |
| { |
| assert(handle); |
| assert(ptpTime); |
| uint16_t count = ENET_1588TIME_DELAY_COUNT; |
| uint32_t primask; |
| |
| /* Disables the interrupt. */ |
| primask = DisableGlobalIRQ(); |
| |
| /* Get the current PTP time. */ |
| ptpTime->second = handle->msTimerSecond; |
| /* Get the nanosecond from the master timer. */ |
| base->ATCR |= ENET_ATCR_CAPTURE_MASK; |
| /* Add at least six clock cycle delay to get accurate time. |
| It's the requirement when the 1588 clock source is slower |
| than the register clock. |
| */ |
| while (count--) |
| { |
| __NOP(); |
| } |
| /* Get the captured time. */ |
| ptpTime->nanosecond = base->ATVR; |
| |
| /* Enables the interrupt. */ |
| EnableGlobalIRQ(primask); |
| } |
| |
| /*! |
| * brief Sets the ENET PTP 1588 timer to the assigned time. |
| * |
| * param base ENET peripheral base address. |
| * param handle The ENET state pointer. This is the same state pointer used in the ENET_Init. |
| * param ptpTime The timer to be set to the PTP timer. |
| */ |
| void ENET_Ptp1588SetTimer(ENET_Type *base, enet_handle_t *handle, enet_ptp_time_t *ptpTime) |
| { |
| assert(handle); |
| assert(ptpTime); |
| |
| uint32_t primask; |
| |
| /* Disables the interrupt. */ |
| primask = DisableGlobalIRQ(); |
| |
| /* Sets PTP timer. */ |
| handle->msTimerSecond = ptpTime->second; |
| base->ATVR = ptpTime->nanosecond; |
| |
| /* Enables the interrupt. */ |
| EnableGlobalIRQ(primask); |
| } |
| |
| /*! |
| * brief Adjusts the ENET PTP 1588 timer. |
| * |
| * param base ENET peripheral base address. |
| * param corrIncrease The correction increment value. This value is added every time the correction |
| * timer expires. A value less than the PTP timer frequency(1/ptpClkSrc) slows down the timer, |
| * a value greater than the 1/ptpClkSrc speeds up the timer. |
| * param corrPeriod The PTP timer correction counter wrap-around value. This defines after how |
| * many timer clock the correction counter should be reset and trigger a correction |
| * increment on the timer. A value of 0 disables the correction counter and no correction occurs. |
| */ |
| void ENET_Ptp1588AdjustTimer(ENET_Type *base, uint32_t corrIncrease, uint32_t corrPeriod) |
| { |
| /* Set correction for PTP timer increment. */ |
| base->ATINC = (base->ATINC & ~ENET_ATINC_INC_CORR_MASK) | (corrIncrease << ENET_ATINC_INC_CORR_SHIFT); |
| /* Set correction for PTP timer period. */ |
| base->ATCOR = (base->ATCOR & ~ENET_ATCOR_COR_MASK) | (corrPeriod << ENET_ATCOR_COR_SHIFT); |
| } |
| |
| static status_t ENET_Ptp1588UpdateTimeRing(enet_ptp_time_data_ring_t *ptpTsDataRing, enet_ptp_time_data_t *ptpTimeData) |
| { |
| assert(ptpTsDataRing); |
| assert(ptpTsDataRing->ptpTsData); |
| assert(ptpTimeData); |
| |
| uint16_t usedBuffer = 0; |
| |
| /* Check if the buffers ring is full. */ |
| if (ptpTsDataRing->end >= ptpTsDataRing->front) |
| { |
| usedBuffer = ptpTsDataRing->end - ptpTsDataRing->front; |
| } |
| else |
| { |
| usedBuffer = ptpTsDataRing->size - (ptpTsDataRing->front - ptpTsDataRing->end); |
| } |
| |
| if (usedBuffer == ptpTsDataRing->size) |
| { |
| return kStatus_ENET_PtpTsRingFull; |
| } |
| |
| /* Copy the new data into the buffer. */ |
| memcpy((ptpTsDataRing->ptpTsData + ptpTsDataRing->end), ptpTimeData, sizeof(enet_ptp_time_data_t)); |
| |
| /* Increase the buffer pointer to the next empty one. */ |
| ptpTsDataRing->end = (ptpTsDataRing->end + 1) % ptpTsDataRing->size; |
| |
| return kStatus_Success; |
| } |
| |
| static status_t ENET_Ptp1588SearchTimeRing(enet_ptp_time_data_ring_t *ptpTsDataRing, enet_ptp_time_data_t *ptpTimedata) |
| { |
| assert(ptpTsDataRing); |
| assert(ptpTsDataRing->ptpTsData); |
| assert(ptpTimedata); |
| |
| uint32_t index; |
| uint32_t size; |
| uint16_t usedBuffer = 0; |
| |
| /* Check the PTP 1588 timestamp ring. */ |
| if (ptpTsDataRing->front == ptpTsDataRing->end) |
| { |
| return kStatus_ENET_PtpTsRingEmpty; |
| } |
| |
| /* Search the element in the ring buffer */ |
| index = ptpTsDataRing->front; |
| size = ptpTsDataRing->size; |
| while (index != ptpTsDataRing->end) |
| { |
| if (((ptpTsDataRing->ptpTsData + index)->sequenceId == ptpTimedata->sequenceId) && |
| (!memcmp(((void *)&(ptpTsDataRing->ptpTsData + index)->sourcePortId[0]), |
| (void *)&ptpTimedata->sourcePortId[0], kENET_PtpSrcPortIdLen)) && |
| ((ptpTsDataRing->ptpTsData + index)->version == ptpTimedata->version) && |
| ((ptpTsDataRing->ptpTsData + index)->messageType == ptpTimedata->messageType)) |
| { |
| break; |
| } |
| |
| /* Increase the ptp ring index. */ |
| index = (index + 1) % size; |
| } |
| |
| if (index == ptpTsDataRing->end) |
| { |
| /* Check if buffers is full. */ |
| if (ptpTsDataRing->end >= ptpTsDataRing->front) |
| { |
| usedBuffer = ptpTsDataRing->end - ptpTsDataRing->front; |
| } |
| else |
| { |
| usedBuffer = ptpTsDataRing->size - (ptpTsDataRing->front - ptpTsDataRing->end); |
| } |
| |
| if (usedBuffer == ptpTsDataRing->size) |
| { /* Drop one in the front. */ |
| ptpTsDataRing->front = (ptpTsDataRing->front + 1) % size; |
| } |
| return kStatus_ENET_PtpTsRingFull; |
| } |
| |
| /* Get the right timestamp of the required ptp messag. */ |
| ptpTimedata->timeStamp.second = (ptpTsDataRing->ptpTsData + index)->timeStamp.second; |
| ptpTimedata->timeStamp.nanosecond = (ptpTsDataRing->ptpTsData + index)->timeStamp.nanosecond; |
| |
| /* Increase the index. */ |
| ptpTsDataRing->front = (ptpTsDataRing->front + 1) % size; |
| |
| return kStatus_Success; |
| } |
| |
| static status_t ENET_StoreRxFrameTime(ENET_Type *base, enet_handle_t *handle, enet_ptp_time_data_t *ptpTimeData) |
| { |
| assert(handle); |
| assert(ptpTimeData); |
| |
| bool ptpTimerWrap = false; |
| enet_ptp_time_t ptpTimer; |
| uint32_t primask; |
| |
| /* Disables the interrupt. */ |
| primask = DisableGlobalIRQ(); |
| |
| /* Get current PTP timer nanosecond value. */ |
| ENET_Ptp1588GetTimer(base, handle, &ptpTimer); |
| |
| /* Get PTP timer wrap event. */ |
| ptpTimerWrap = base->EIR & kENET_TsTimerInterrupt; |
| |
| /* Get transmit time stamp second. */ |
| if ((ptpTimer.nanosecond > ptpTimeData->timeStamp.nanosecond) || |
| ((ptpTimer.nanosecond < ptpTimeData->timeStamp.nanosecond) && ptpTimerWrap)) |
| { |
| ptpTimeData->timeStamp.second = handle->msTimerSecond; |
| } |
| else |
| { |
| ptpTimeData->timeStamp.second = handle->msTimerSecond - 1; |
| } |
| /* Enable the interrupt. */ |
| EnableGlobalIRQ(primask); |
| |
| /* Store the timestamp to the receive time stamp ring. */ |
| /* Check if the buffers ring is full. */ |
| return ENET_Ptp1588UpdateTimeRing(&handle->rxPtpTsDataRing, ptpTimeData); |
| } |
| |
| static status_t ENET_StoreTxFrameTime(ENET_Type *base, enet_handle_t *handle, uint32_t ringId) |
| { |
| assert(handle); |
| |
| uint32_t primask; |
| bool ptpTimerWrap; |
| bool isPtpEventMessage = false; |
| enet_ptp_time_data_t ptpTimeData; |
| volatile enet_tx_bd_struct_t *curBuffDescrip = handle->txBdDirtyTime[ringId]; |
| uint32_t address; |
| |
| /* Get the control status data, If the buffer descriptor has not been processed break out. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_READY_MASK) |
| { |
| return kStatus_ENET_TxFrameBusy; |
| } |
| |
| /* Parse the PTP message. */ |
| #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET |
| address = MEMORY_ConvertMemoryMapAddress((uint32_t)curBuffDescrip->buffer, kMEMORY_DMA2Local); |
| #else |
| address = (uint32_t)curBuffDescrip->buffer; |
| #endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */ |
| isPtpEventMessage = ENET_Ptp1588ParseFrame((uint8_t *)address, &ptpTimeData, false); |
| if (isPtpEventMessage) |
| { |
| /* Only store tx timestamp for ptp event message. */ |
| do |
| { |
| /* Increase current buffer descriptor to the next one. */ |
| if (handle->txBdDirtyTime[ringId]->control & ENET_BUFFDESCRIPTOR_TX_WRAP_MASK) |
| { |
| handle->txBdDirtyTime[ringId] = handle->txBdBase[ringId]; |
| } |
| else |
| { |
| handle->txBdDirtyTime[ringId]++; |
| } |
| |
| /* Do time stamp check on the last buffer descriptor of the frame. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_LAST_MASK) |
| { |
| /* Disables the interrupt. */ |
| primask = DisableGlobalIRQ(); |
| |
| /* Get current PTP timer nanosecond value. */ |
| ENET_Ptp1588GetTimer(base, handle, &ptpTimeData.timeStamp); |
| |
| /* Get PTP timer wrap event. */ |
| ptpTimerWrap = base->EIR & kENET_TsTimerInterrupt; |
| |
| /* Get transmit time stamp second. */ |
| if ((ptpTimeData.timeStamp.nanosecond > curBuffDescrip->timestamp) || |
| ((ptpTimeData.timeStamp.nanosecond < curBuffDescrip->timestamp) && ptpTimerWrap)) |
| { |
| ptpTimeData.timeStamp.second = handle->msTimerSecond; |
| } |
| else |
| { |
| ptpTimeData.timeStamp.second = handle->msTimerSecond - 1; |
| } |
| |
| /* Save transmit time stamp nanosecond. */ |
| ptpTimeData.timeStamp.nanosecond = curBuffDescrip->timestamp; |
| |
| /* Enable the interrupt. */ |
| EnableGlobalIRQ(primask); |
| |
| /* Store the timestamp to the transmit timestamp ring. */ |
| return ENET_Ptp1588UpdateTimeRing(&handle->txPtpTsDataRing, &ptpTimeData); |
| } |
| |
| /* Get the current transmit buffer descriptor. */ |
| curBuffDescrip = handle->txBdDirtyTime[ringId]; |
| |
| /* Get the control status data, If the buffer descriptor has not been processed break out. */ |
| if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_READY_MASK) |
| { |
| return kStatus_ENET_TxFrameBusy; |
| } |
| } while (handle->txBdDirtyTime[ringId] != handle->txBdCurrent[ringId]); |
| return kStatus_ENET_TxFrameFail; |
| } |
| else |
| { |
| /* Only increase current buffer descriptor to the next one. */ |
| if (handle->txBdDirtyTime[ringId]->control & ENET_BUFFDESCRIPTOR_TX_WRAP_MASK) |
| { |
| handle->txBdDirtyTime[ringId] = handle->txBdBase[ringId]; |
| } |
| else |
| { |
| handle->txBdDirtyTime[ringId]++; |
| } |
| } |
| return kStatus_Success; |
| } |
| |
| /*! |
| * brief Gets the time stamp of the transmit frame. |
| * |
| * This function is used for PTP stack to get the timestamp captured by the ENET driver. |
| * |
| * param handle The ENET handler pointer.This is the same state pointer used in |
| * ENET_Init. |
| * param ptpTimeData The special PTP timestamp data for search the receive timestamp. |
| * retval kStatus_Success Get 1588 timestamp success. |
| * retval kStatus_ENET_PtpTsRingEmpty 1588 timestamp ring empty. |
| * retval kStatus_ENET_PtpTsRingFull 1588 timestamp ring full. |
| */ |
| status_t ENET_GetTxFrameTime(enet_handle_t *handle, enet_ptp_time_data_t *ptpTimeData) |
| { |
| assert(handle); |
| assert(ptpTimeData); |
| |
| return ENET_Ptp1588SearchTimeRing(&handle->txPtpTsDataRing, ptpTimeData); |
| } |
| |
| /*! |
| * brief Gets the time stamp of the received frame. |
| * |
| * This function is used for PTP stack to get the timestamp captured by the ENET driver. |
| * |
| * param handle The ENET handler pointer.This is the same state pointer used in |
| * ENET_Init. |
| * param ptpTimeData The special PTP timestamp data for search the receive timestamp. |
| * retval kStatus_Success Get 1588 timestamp success. |
| * retval kStatus_ENET_PtpTsRingEmpty 1588 timestamp ring empty. |
| * retval kStatus_ENET_PtpTsRingFull 1588 timestamp ring full. |
| */ |
| status_t ENET_GetRxFrameTime(enet_handle_t *handle, enet_ptp_time_data_t *ptpTimeData) |
| { |
| assert(handle); |
| assert(ptpTimeData); |
| |
| return ENET_Ptp1588SearchTimeRing(&handle->rxPtpTsDataRing, ptpTimeData); |
| } |
| |
| #if defined(FSL_FEATURE_ENET_HAS_AVB) && FSL_FEATURE_ENET_HAS_AVB |
| /*! |
| * brief Sets the ENET AVB feature. |
| * |
| * ENET AVB feature configuration, set the Receive classification match and transmit |
| * bandwidth. This API is called when the AVB feature is required. |
| * |
| * Note: The AVB frames transmission scheme is credit-based tx scheme and it's only supported |
| * with the Enhanced buffer descriptors. so the AVB configuration should only done with |
| * Enhanced buffer descriptor. so when the AVB feature is required, please make sure the |
| * the "ENET_ENHANCEDBUFFERDESCRIPTOR_MODE" is defined. |
| * |
| * param base ENET peripheral base address. |
| * param handle ENET handler pointer. |
| * param config The ENET AVB feature configuration structure. |
| */ |
| void ENET_AVBConfigure(ENET_Type *base, enet_handle_t *handle, const enet_avb_config_t *config) |
| { |
| assert(config); |
| |
| uint8_t count = 0; |
| |
| for (count = 0; count < FSL_FEATURE_ENET_QUEUE - 1; count++) |
| { |
| /* Set the AVB receive ring classification match when the match is not 0. */ |
| if (config->rxClassifyMatch[count]) |
| { |
| base->RCMR[count] = (config->rxClassifyMatch[count] & 0xFFFF) | ENET_RCMR_MATCHEN_MASK; |
| } |
| /* Set the dma controller for the extended ring. */ |
| base->DMACFG[count] |= ENET_DMACFG_IDLE_SLOPE(config->idleSlope[count]); |
| } |
| |
| /* Shall use the credit-based scheme for avb. */ |
| base->QOS &= ~ENET_QOS_TX_SCHEME_MASK; |
| base->QOS |= ENET_QOS_RX_FLUSH0_MASK; |
| } |
| #endif /* FSL_FETAURE_ENET_HAS_AVB */ |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| /*! |
| * brief The transmit IRQ handler. |
| * |
| * param base ENET peripheral base address. |
| * param handle The ENET handler pointer. |
| */ |
| void ENET_TransmitIRQHandler(ENET_Type *base, enet_handle_t *handle, uint32_t ringId) |
| #else |
| /*! |
| * brief The transmit IRQ handler. |
| * |
| * param base ENET peripheral base address. |
| * param handle The ENET handler pointer. |
| */ |
| void ENET_TransmitIRQHandler(ENET_Type *base, enet_handle_t *handle) |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| { |
| assert(handle); |
| uint32_t mask = kENET_TxBufferInterrupt | kENET_TxFrameInterrupt; |
| #if defined(ENET_ENHANCEDBUFFERDESCRIPTOR_MODE) || (FSL_FEATURE_ENET_QUEUE > 1) |
| uint32_t index = 0; |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTORMODE || (FSL_FEATURE_ENET_QUEUE > 1) */ |
| |
| /* Check if the transmit interrupt happen. */ |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| switch (ringId) |
| { |
| case kENET_Ring1: |
| mask = (kENET_TxFrame1Interrupt | kENET_TxBuffer1Interrupt); |
| break; |
| case kENET_Ring2: |
| mask = (kENET_TxFrame2Interrupt | kENET_TxBuffer2Interrupt); |
| break; |
| default: |
| break; |
| } |
| index = ringId; |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| |
| while (mask & base->EIR) |
| { |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| if (base->EIR & kENET_TxFrameInterrupt) |
| { |
| /* Store the transmit timestamp from the buffer descriptor should be done here. */ |
| ENET_StoreTxFrameTime(base, handle, index); |
| } |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| |
| /* Clear the transmit interrupt event. */ |
| base->EIR = mask; |
| |
| /* Callback function. */ |
| if (handle->callback) |
| { |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| handle->callback(base, handle, index, kENET_TxEvent, handle->userData); |
| #else |
| handle->callback(base, handle, kENET_TxEvent, handle->userData); |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| } |
| } |
| } |
| |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| /*! |
| * brief The receive IRQ handler. |
| * |
| * param base ENET peripheral base address. |
| * param handle The ENET handler pointer. |
| */ |
| void ENET_ReceiveIRQHandler(ENET_Type *base, enet_handle_t *handle, uint32_t ringId) |
| #else |
| /*! |
| * brief The receive IRQ handler. |
| * |
| * param base ENET peripheral base address. |
| * param handle The ENET handler pointer. |
| */ |
| void ENET_ReceiveIRQHandler(ENET_Type *base, enet_handle_t *handle) |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| { |
| assert(handle); |
| uint32_t mask = kENET_RxFrameInterrupt | kENET_RxBufferInterrupt; |
| |
| /* Check if the receive interrupt happen. */ |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| switch (ringId) |
| { |
| case kENET_Ring1: |
| mask = (kENET_RxFrame1Interrupt | kENET_RxBuffer1Interrupt); |
| break; |
| case kENET_Ring2: |
| mask = (kENET_RxFrame2Interrupt | kENET_RxBuffer2Interrupt); |
| break; |
| default: |
| break; |
| } |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| |
| while (mask & base->EIR) |
| { |
| /* Clear the transmit interrupt event. */ |
| base->EIR = mask; |
| |
| /* Callback function. */ |
| if (handle->callback) |
| { |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| handle->callback(base, handle, ringId, kENET_RxEvent, handle->userData); |
| #else |
| handle->callback(base, handle, kENET_RxEvent, handle->userData); |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| } |
| } |
| } |
| |
| /*! |
| * brief Some special IRQ handler including the error, mii, wakeup irq handler. |
| * |
| * param base ENET peripheral base address. |
| * param handle The ENET handler pointer. |
| */ |
| void ENET_ErrorIRQHandler(ENET_Type *base, enet_handle_t *handle) |
| { |
| assert(handle); |
| |
| uint32_t errMask = kENET_BabrInterrupt | kENET_BabtInterrupt | kENET_EBusERInterrupt | kENET_PayloadRxInterrupt | |
| kENET_LateCollisionInterrupt | kENET_RetryLimitInterrupt | kENET_UnderrunInterrupt; |
| |
| /* Check if the error interrupt happen. */ |
| if (kENET_WakeupInterrupt & base->EIR) |
| { |
| /* Clear the wakeup interrupt. */ |
| base->EIR = kENET_WakeupInterrupt; |
| /* wake up and enter the normal mode. */ |
| ENET_EnableSleepMode(base, false); |
| /* Callback function. */ |
| if (handle->callback) |
| { |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| handle->callback(base, handle, 0, kENET_WakeUpEvent, handle->userData); |
| #else |
| handle->callback(base, handle, kENET_WakeUpEvent, handle->userData); |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| } |
| } |
| else |
| { |
| /* Clear the error interrupt event status. */ |
| errMask &= base->EIR; |
| base->EIR = errMask; |
| /* Callback function. */ |
| if (handle->callback) |
| { |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| handle->callback(base, handle, 0, kENET_ErrEvent, handle->userData); |
| #else |
| handle->callback(base, handle, kENET_ErrEvent, handle->userData); |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| } |
| } |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| |
| #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE |
| /*! |
| * brief The IEEE 1588 PTP time stamp interrupt handler. |
| * |
| * param base ENET peripheral base address. |
| * param handle The ENET state pointer. This is the same state pointer used in the ENET_Init. |
| */ |
| void ENET_Ptp1588TimerIRQHandler(ENET_Type *base, enet_handle_t *handle) |
| { |
| assert(handle); |
| |
| /* Check if the PTP time stamp interrupt happen. */ |
| if (kENET_TsTimerInterrupt & base->EIR) |
| { |
| /* Clear the time stamp interrupt. */ |
| base->EIR = kENET_TsTimerInterrupt; |
| |
| /* Increase timer second counter. */ |
| handle->msTimerSecond++; |
| |
| /* Callback function. */ |
| if (handle->callback) |
| { |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| handle->callback(base, handle, 0, kENET_TimeStampEvent, handle->userData); |
| #else |
| handle->callback(base, handle, kENET_TimeStampEvent, handle->userData); |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| } |
| } |
| else |
| { |
| /* Clear the time stamp interrupt. */ |
| base->EIR = kENET_TsAvailInterrupt; |
| /* Callback function. */ |
| if (handle->callback) |
| { |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| handle->callback(base, handle, 0, kENET_TimeStampAvailEvent, handle->userData); |
| #else |
| handle->callback(base, handle, kENET_TimeStampAvailEvent, handle->userData); |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| } |
| } |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| #endif /* ENET_ENHANCEDBUFFERDESCRIPTOR_MODE */ |
| |
| /*! |
| * brief the common IRQ handler for the tx/rx/error etc irq handler. |
| * |
| * This is used for the combined tx/rx/error interrupt for single/mutli-ring (frame 0). |
| * |
| * param base ENET peripheral base address. |
| */ |
| void ENET_CommonFrame0IRQHandler(ENET_Type *base) |
| { |
| uint32_t event = base->EIR; |
| uint32_t instance = ENET_GetInstance(base); |
| |
| if (event & (kENET_TxBufferInterrupt | kENET_TxFrameInterrupt)) |
| { |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| s_enetTxIsr(base, s_ENETHandle[instance], 0); |
| #else |
| s_enetTxIsr(base, s_ENETHandle[instance]); |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| } |
| |
| if (event & (kENET_RxBufferInterrupt | kENET_RxFrameInterrupt)) |
| { |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| s_enetRxIsr(base, s_ENETHandle[instance], 0); |
| #else |
| s_enetRxIsr(base, s_ENETHandle[instance]); |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| } |
| |
| if (event & ENET_TS_INTERRUPT) |
| { |
| s_enetTsIsr(base, s_ENETHandle[instance]); |
| } |
| if (event & ENET_ERR_INTERRUPT) |
| { |
| s_enetErrIsr(base, s_ENETHandle[instance]); |
| } |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| /*! |
| * brief the common IRQ handler for the tx/rx irq handler. |
| * |
| * This is used for the combined tx/rx interrupt for multi-ring (frame 1). |
| * |
| * param base ENET peripheral base address. |
| */ |
| void ENET_CommonFrame1IRQHandler(ENET_Type *base) |
| { |
| uint32_t event = base->EIR; |
| uint32_t instance = ENET_GetInstance(base); |
| |
| if (event & (kENET_TxBuffer1Interrupt | kENET_TxFrame1Interrupt)) |
| { |
| s_enetTxIsr(base, s_ENETHandle[instance], 1); |
| } |
| |
| if (event & (kENET_RxBuffer1Interrupt | kENET_RxFrame1Interrupt)) |
| { |
| s_enetRxIsr(base, s_ENETHandle[instance], 1); |
| } |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| |
| /*! |
| * brief the common IRQ handler for the tx/rx irq handler. |
| * |
| * This is used for the combined tx/rx interrupt for multi-ring (frame 2). |
| * |
| * param base ENET peripheral base address. |
| */ |
| void ENET_CommonFrame2IRQHandler(ENET_Type *base) |
| { |
| uint32_t event = base->EIR; |
| uint32_t instance = ENET_GetInstance(base); |
| |
| if (event & (kENET_TxBuffer2Interrupt | kENET_TxFrame2Interrupt)) |
| { |
| s_enetTxIsr(base, s_ENETHandle[instance], 2); |
| } |
| |
| if (event & (kENET_RxBuffer2Interrupt | kENET_RxFrame2Interrupt)) |
| { |
| s_enetRxIsr(base, s_ENETHandle[instance], 2); |
| } |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| #endif /* FSL_FEATURE_ENET_QUEUE > 1 */ |
| |
| #if defined(ENET) |
| void ENET_Transmit_IRQHandler(void) |
| { |
| s_enetTxIsr(ENET, s_ENETHandle[0]); |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| |
| void ENET_Receive_IRQHandler(void) |
| { |
| s_enetRxIsr(ENET, s_ENETHandle[0]); |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| |
| void ENET_Error_IRQHandler(void) |
| { |
| s_enetErrIsr(ENET, s_ENETHandle[0]); |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| |
| void ENET_1588_Timer_IRQHandler(void) |
| { |
| s_enetTsIsr(ENET, s_ENETHandle[0]); |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| |
| void ENET_DriverIRQHandler(void) |
| { |
| ENET_CommonFrame0IRQHandler(ENET); |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| |
| #endif |
| |
| #if defined(ENET1) |
| void ENET1_DriverIRQHandler(void) |
| { |
| ENET_CommonFrame0IRQHandler(ENET1); |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| #endif |
| |
| #if defined(ENET2) |
| void ENET2_DriverIRQHandler(void) |
| { |
| ENET_CommonFrame0IRQHandler(ENET2); |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| #endif |
| |
| #if defined(CONNECTIVITY__ENET0) |
| void CONNECTIVITY_ENET0_FRAME0_EVENT_INT_DriverIRQHandler(void) |
| { |
| ENET_CommonFrame0IRQHandler(CONNECTIVITY__ENET0); |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| void CONNECTIVITY_ENET0_FRAME1_INT_DriverIRQHandler(void) |
| { |
| ENET_CommonFrame1IRQHandler(CONNECTIVITY__ENET0); |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| void CONNECTIVITY_ENET0_FRAME2_INT_DriverIRQHandler(void) |
| { |
| ENET_CommonFrame2IRQHandler(CONNECTIVITY__ENET0); |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| #endif |
| #endif |
| #if defined(CONNECTIVITY__ENET1) |
| void CONNECTIVITY_ENET1_FRAME0_EVENT_INT_DriverIRQHandler(void) |
| { |
| ENET_CommonFrame0IRQHandler(CONNECTIVITY__ENET1); |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| #if FSL_FEATURE_ENET_QUEUE > 1 |
| void CONNECTIVITY_ENET1_FRAME1_INT_DriverIRQHandler(void) |
| { |
| ENET_CommonFrame1IRQHandler(CONNECTIVITY__ENET1); |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| void CONNECTIVITY_ENET1_FRAME2_INT_DriverIRQHandler(void) |
| { |
| ENET_CommonFrame2IRQHandler(CONNECTIVITY__ENET1); |
| /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping |
| exception return operation might vector to incorrect interrupt */ |
| #if defined __CORTEX_M && (__CORTEX_M == 4U) |
| __DSB(); |
| #endif |
| } |
| #endif |
| #endif |