/* * The Clear BSD License * Copyright (c) 2015, Freescale Semiconductor, Inc. * Copyright 2016-2017 NXP * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted (subject to the limitations in the disclaimer below) provided * that the following conditions are met: * * o Redistributions of source code must retain the above copyright notice, this list * of conditions and the following disclaimer. * * o Redistributions in binary form must reproduce the above copyright notice, this * list of conditions and the following disclaimer in the documentation and/or * other materials provided with the distribution. * * o Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _FSL_QSPI_H_ #define _FSL_QSPI_H_ #include "fsl_common.h" /*! * @addtogroup qspi * @{ */ /******************************************************************************* * Definitions ******************************************************************************/ /*! @name Driver version */ /*@{*/ /*! @brief QSPI driver version 2.0.2. */ #define FSL_QSPI_DRIVER_VERSION (MAKE_VERSION(2, 0, 2)) /*@}*/ /*! @brief Macro functions for LUT table */ #define QSPI_LUT_SEQ(cmd0, pad0, op0, cmd1, pad1, op1) \ (QuadSPI_LUT_INSTR0(cmd0) | QuadSPI_LUT_PAD0(pad0) | QuadSPI_LUT_OPRND0(op0) | QuadSPI_LUT_INSTR1(cmd1) | \ QuadSPI_LUT_PAD1(pad1) | QuadSPI_LUT_OPRND1(op1)) /*! @brief Macro for QSPI LUT command */ #define QSPI_CMD (0x1U) #define QSPI_ADDR (0x2U) #define QSPI_DUMMY (0x3U) #define QSPI_MODE (0x4U) #define QSPI_MODE2 (0x5U) #define QSPI_MODE4 (0x6U) #define QSPI_READ (0x7U) #define QSPI_WRITE (0x8U) #define QSPI_JMP_ON_CS (0x9U) #define QSPI_ADDR_DDR (0xAU) #define QSPI_MODE_DDR (0xBU) #define QSPI_MODE2_DDR (0xCU) #define QSPI_MODE4_DDR (0xDU) #define QSPI_READ_DDR (0xEU) #define QSPI_WRITE_DDR (0xFU) #define QSPI_DATA_LEARN (0x10U) #define QSPI_CMD_DDR (0x11U) #define QSPI_CADDR (0x12U) #define QSPI_CADDR_DDR (0x13U) #define QSPI_STOP (0x0U) /*! @brief Macro for QSPI PAD */ #define QSPI_PAD_1 (0x0U) #define QSPI_PAD_2 (0x1U) #define QSPI_PAD_4 (0x2U) #define QSPI_PAD_8 (0x3U) /*! @brief Status structure of QSPI.*/ enum _status_t { kStatus_QSPI_Idle = MAKE_STATUS(kStatusGroup_QSPI, 0), /*!< QSPI is in idle state */ kStatus_QSPI_Busy = MAKE_STATUS(kStatusGroup_QSPI, 1), /*!< QSPI is busy */ kStatus_QSPI_Error = MAKE_STATUS(kStatusGroup_QSPI, 2), /*!< Error occurred during QSPI transfer */ }; /*! @brief QSPI read data area, from IP FIFO or AHB buffer.*/ typedef enum _qspi_read_area { kQSPI_ReadAHB = 0x0U, /*!< QSPI read from AHB buffer. */ kQSPI_ReadIP /*!< QSPI read from IP FIFO. */ } qspi_read_area_t; /*! @brief QSPI command sequence type */ typedef enum _qspi_command_seq { kQSPI_IPSeq = QuadSPI_SPTRCLR_IPPTRC_MASK, /*!< IP command sequence */ kQSPI_BufferSeq = QuadSPI_SPTRCLR_BFPTRC_MASK, /*!< Buffer command sequence */ kQSPI_AllSeq = QuadSPI_SPTRCLR_IPPTRC_MASK | QuadSPI_SPTRCLR_BFPTRC_MASK /* All command sequence */ } qspi_command_seq_t; /*! @brief QSPI buffer type */ typedef enum _qspi_fifo { kQSPI_TxFifo = QuadSPI_MCR_CLR_TXF_MASK, /*!< QSPI Tx FIFO */ kQSPI_RxFifo = QuadSPI_MCR_CLR_RXF_MASK, /*!< QSPI Rx FIFO */ kQSPI_AllFifo = QuadSPI_MCR_CLR_TXF_MASK | QuadSPI_MCR_CLR_RXF_MASK /*!< QSPI all FIFO, including Tx and Rx */ } qspi_fifo_t; /*! @brief QSPI transfer endianess*/ typedef enum _qspi_endianness { kQSPI_64BigEndian = 0x0U, /*!< 64 bits big endian */ kQSPI_32LittleEndian, /*!< 32 bit little endian */ kQSPI_32BigEndian, /*!< 32 bit big endian */ kQSPI_64LittleEndian /*!< 64 bit little endian */ } qspi_endianness_t; /*! @brief QSPI error flags */ enum _qspi_error_flags { kQSPI_DataLearningFail = QuadSPI_FR_DLPFF_MASK, /*!< Data learning pattern failure flag */ kQSPI_TxBufferFill = QuadSPI_FR_TBFF_MASK, /*!< Tx buffer fill flag */ kQSPI_TxBufferUnderrun = QuadSPI_FR_TBUF_MASK, /*!< Tx buffer underrun flag */ kQSPI_IllegalInstruction = QuadSPI_FR_ILLINE_MASK, /*!< Illegal instruction error flag */ kQSPI_RxBufferOverflow = QuadSPI_FR_RBOF_MASK, /*!< Rx buffer overflow flag */ kQSPI_RxBufferDrain = QuadSPI_FR_RBDF_MASK, /*!< Rx buffer drain flag */ kQSPI_AHBSequenceError = QuadSPI_FR_ABSEF_MASK, /*!< AHB sequence error flag */ #if !defined(FSL_FEATURE_QSPI_HAS_NO_AITEF) || (!FSL_FEATURE_QSPI_HAS_NO_AITEF) kQSPI_AHBIllegalTransaction = QuadSPI_FR_AITEF_MASK, /*!< AHB illegal transaction error flag */ #endif /* FSL_FEATURE_QSPI_HAS_NO_AITEF */ #if !defined(FSL_FEATURE_QSPI_HAS_NO_AIBSEF) || (!FSL_FEATURE_QSPI_HAS_NO_AIBSEF) kQSPI_AHBIllegalBurstSize = QuadSPI_FR_AIBSEF_MASK, /*!< AHB illegal burst error flag */ #endif /* FSL_FEATURE_QSPI_HAS_NO_AIBSEF */ kQSPI_AHBBufferOverflow = QuadSPI_FR_ABOF_MASK, /*!< AHB buffer overflow flag */ #if defined(FSL_FEATURE_QSPI_HAS_IP_COMMAND_USAGE_ERROR) && (FSL_FEATURE_QSPI_HAS_IP_COMMAND_USAGE_ERROR) kQSPI_IPCommandUsageError = QuadSPI_FR_IUEF_MASK, /*!< IP command usage error flag */ #endif /* FSL_FEATURE_QSPI_HAS_IP_COMMAND_USAGE_ERROR */ kQSPI_IPCommandTriggerDuringAHBAccess = QuadSPI_FR_IPAEF_MASK, /*!< IP command trigger during AHB access error */ kQSPI_IPCommandTriggerDuringIPAccess = QuadSPI_FR_IPIEF_MASK, /*!< IP command trigger cannot be executed */ kQSPI_IPCommandTriggerDuringAHBGrant = QuadSPI_FR_IPGEF_MASK, /*!< IP command trigger during AHB grant error */ kQSPI_IPCommandTransactionFinished = QuadSPI_FR_TFF_MASK, /*!< IP command transaction finished flag */ kQSPI_FlagAll = 0x8C83F8D1U /*!< All error flag */ }; /*! @brief QSPI state bit */ enum _qspi_flags { kQSPI_DataLearningSamplePoint = QuadSPI_SR_DLPSMP_MASK, /*!< Data learning sample point */ kQSPI_TxBufferFull = QuadSPI_SR_TXFULL_MASK, /*!< Tx buffer full flag */ #if !defined(FSL_FEATURE_QSPI_HAS_NO_TXDMA) || (!FSL_FEATURE_QSPI_HAS_NO_TXDMA) kQSPI_TxDMA = QuadSPI_SR_TXDMA_MASK, /*!< Tx DMA is requested or running */ kQSPI_TxWatermark = QuadSPI_SR_TXWA_MASK, /*!< Tx buffer watermark available */ #endif /* FSL_FEATURE_QSPI_HAS_NO_TXDMA */ kQSPI_TxBufferEnoughData = QuadSPI_SR_TXEDA_MASK, /*!< Tx buffer enough data available */ kQSPI_RxDMA = QuadSPI_SR_RXDMA_MASK, /*!< Rx DMA is requesting or running */ kQSPI_RxBufferFull = QuadSPI_SR_RXFULL_MASK, /*!< Rx buffer full */ kQSPI_RxWatermark = QuadSPI_SR_RXWE_MASK, /*!< Rx buffer watermark exceeded */ kQSPI_AHB3BufferFull = QuadSPI_SR_AHB3FUL_MASK, /*!< AHB buffer 3 full*/ kQSPI_AHB2BufferFull = QuadSPI_SR_AHB2FUL_MASK, /*!< AHB buffer 2 full */ kQSPI_AHB1BufferFull = QuadSPI_SR_AHB1FUL_MASK, /*!< AHB buffer 1 full */ kQSPI_AHB0BufferFull = QuadSPI_SR_AHB0FUL_MASK, /*!< AHB buffer 0 full */ kQSPI_AHB3BufferNotEmpty = QuadSPI_SR_AHB3NE_MASK, /*!< AHB buffer 3 not empty */ kQSPI_AHB2BufferNotEmpty = QuadSPI_SR_AHB2NE_MASK, /*!< AHB buffer 2 not empty */ kQSPI_AHB1BufferNotEmpty = QuadSPI_SR_AHB1NE_MASK, /*!< AHB buffer 1 not empty */ kQSPI_AHB0BufferNotEmpty = QuadSPI_SR_AHB0NE_MASK, /*!< AHB buffer 0 not empty */ kQSPI_AHBTransactionPending = QuadSPI_SR_AHBTRN_MASK, /*!< AHB access transaction pending */ kQSPI_AHBCommandPriorityGranted = QuadSPI_SR_AHBGNT_MASK, /*!< AHB command priority granted */ kQSPI_AHBAccess = QuadSPI_SR_AHB_ACC_MASK, /*!< AHB access */ kQSPI_IPAccess = QuadSPI_SR_IP_ACC_MASK, /*!< IP access */ kQSPI_Busy = QuadSPI_SR_BUSY_MASK, /*!< Module busy */ kQSPI_StateAll = 0xEF897FE7U /*!< All flags */ }; /*! @brief QSPI interrupt enable */ enum _qspi_interrupt_enable { kQSPI_DataLearningFailInterruptEnable = QuadSPI_RSER_DLPFIE_MASK, /*!< Data learning pattern failure interrupt enable */ kQSPI_TxBufferFillInterruptEnable = QuadSPI_RSER_TBFIE_MASK, /*!< Tx buffer fill interrupt enable */ kQSPI_TxBufferUnderrunInterruptEnable = QuadSPI_RSER_TBUIE_MASK, /*!< Tx buffer underrun interrupt enable */ kQSPI_IllegalInstructionInterruptEnable = QuadSPI_RSER_ILLINIE_MASK, /*!< Illegal instruction error interrupt enable */ kQSPI_RxBufferOverflowInterruptEnable = QuadSPI_RSER_RBOIE_MASK, /*!< Rx buffer overflow interrupt enable */ kQSPI_RxBufferDrainInterruptEnable = QuadSPI_RSER_RBDIE_MASK, /*!< Rx buffer drain interrupt enable */ kQSPI_AHBSequenceErrorInterruptEnable = QuadSPI_RSER_ABSEIE_MASK, /*!< AHB sequence error interrupt enable */ #if !defined(FSL_FEATURE_QSPI_HAS_NO_AITEF) || (!FSL_FEATURE_QSPI_HAS_NO_AITEF) kQSPI_AHBIllegalTransactionInterruptEnable = QuadSPI_RSER_AITIE_MASK, /*!< AHB illegal transaction error interrupt enable */ #endif /* FSL_FEATURE_QSPI_HAS_NO_AITEF */ #if !defined(FSL_FEATURE_QSPI_HAS_NO_AIBSEF) || (!FSL_FEATURE_QSPI_HAS_NO_AIBSEF) kQSPI_AHBIllegalBurstSizeInterruptEnable = QuadSPI_RSER_AIBSIE_MASK, /*!< AHB illegal burst error interrupt enable */ #endif /* FSL_FEATURE_QSPI_HAS_NO_AIBSEF */ kQSPI_AHBBufferOverflowInterruptEnable = QuadSPI_RSER_ABOIE_MASK, /*!< AHB buffer overflow interrupt enable */ #if defined(FSL_FEATURE_QSPI_HAS_IP_COMMAND_USAGE_ERROR) && (FSL_FEATURE_QSPI_HAS_IP_COMMAND_USAGE_ERROR) kQSPI_IPCommandUsageErrorInterruptEnable = QuadSPI_RSER_IUEIE_MASK, /*!< IP command usage error interrupt enable */ #endif /* FSL_FEATURE_QSPI_HAS_IP_COMMAND_USAGE_ERROR */ kQSPI_IPCommandTriggerDuringAHBAccessInterruptEnable = QuadSPI_RSER_IPAEIE_MASK, /*!< IP command trigger during AHB access error */ kQSPI_IPCommandTriggerDuringIPAccessInterruptEnable = QuadSPI_RSER_IPIEIE_MASK, /*!< IP command trigger cannot be executed */ kQSPI_IPCommandTriggerDuringAHBGrantInterruptEnable = QuadSPI_RSER_IPGEIE_MASK, /*!< IP command trigger during AHB grant error */ kQSPI_IPCommandTransactionFinishedInterruptEnable = QuadSPI_RSER_TFIE_MASK, /*!< IP command transaction finished interrupt enable */ kQSPI_AllInterruptEnable = 0x8C83F8D1U /*!< All error interrupt enable */ }; /*! @brief QSPI DMA request flag */ enum _qspi_dma_enable { #if !defined(FSL_FEATURE_QSPI_HAS_NO_TXDMA) || (!FSL_FEATURE_QSPI_HAS_NO_TXDMA) kQSPI_TxBufferFillDMAEnable = QuadSPI_RSER_TBFDE_MASK, /*!< Tx buffer fill DMA */ #endif /* FSL_FEATURE_QSPI_HAS_NO_TXDMA */ kQSPI_RxBufferDrainDMAEnable = QuadSPI_RSER_RBDDE_MASK, /*!< Rx buffer drain DMA */ #if !defined(FSL_FEATURE_QSPI_HAS_NO_TXDMA) || (!FSL_FEATURE_QSPI_HAS_NO_TXDMA) kQSPI_AllDDMAEnable = QuadSPI_RSER_TBFDE_MASK | QuadSPI_RSER_RBDDE_MASK /*!< All DMA source */ #else kQSPI_AllDDMAEnable = QuadSPI_RSER_RBDDE_MASK /* All DMA source */ #endif /* FSL_FEATURE_QSPI_HAS_NO_TXDMA */ }; /*! @brief Phrase shift number for DQS mode. */ typedef enum _qspi_dqs_phrase_shift { kQSPI_DQSNoPhraseShift = 0x0U, /*!< No phase shift */ kQSPI_DQSPhraseShift45Degree, /*!< Select 45 degree phase shift*/ kQSPI_DQSPhraseShift90Degree, /*!< Select 90 degree phase shift */ kQSPI_DQSPhraseShift135Degree /*!< Select 135 degree phase shift */ } qspi_dqs_phrase_shift_t; /*! @brief DQS configure features*/ typedef struct QspiDQSConfig { uint32_t portADelayTapNum; /*!< Delay chain tap number selection for QSPI port A DQS */ uint32_t portBDelayTapNum; /*!< Delay chain tap number selection for QSPI port B DQS*/ qspi_dqs_phrase_shift_t shift; /*!< Phase shift for internal DQS generation */ bool enableDQSClkInverse; /*!< Enable inverse clock for internal DQS generation */ bool enableDQSPadLoopback; /*!< Enable DQS loop back from DQS pad */ bool enableDQSLoopback; /*!< Enable DQS loop back */ } qspi_dqs_config_t; /*! @brief Flash timing configuration. */ typedef struct QspiFlashTiming { uint32_t dataHoldTime; /*!< Serial flash data in hold time */ uint32_t CSHoldTime; /*!< Serial flash CS hold time in terms of serial flash clock cycles */ uint32_t CSSetupTime; /*!< Serial flash CS setup time in terms of serial flash clock cycles */ } qspi_flash_timing_t; /*! @brief QSPI configuration structure*/ typedef struct QspiConfig { uint32_t clockSource; /*!< Clock source for QSPI module */ uint32_t baudRate; /*!< Serial flash clock baud rate */ uint8_t txWatermark; /*!< QSPI transmit watermark value */ uint8_t rxWatermark; /*!< QSPI receive watermark value. */ uint32_t AHBbufferSize[FSL_FEATURE_QSPI_AHB_BUFFER_COUNT]; /*!< AHB buffer size. */ uint8_t AHBbufferMaster[FSL_FEATURE_QSPI_AHB_BUFFER_COUNT]; /*!< AHB buffer master. */ bool enableAHBbuffer3AllMaster; /*!< Is AHB buffer3 for all master.*/ qspi_read_area_t area; /*!< Which area Rx data readout */ bool enableQspi; /*!< Enable QSPI after initialization */ } qspi_config_t; /*! @brief External flash configuration items*/ typedef struct _qspi_flash_config { uint32_t flashA1Size; /*!< Flash A1 size */ uint32_t flashA2Size; /*!< Flash A2 size */ #if defined(FSL_FEATURE_QSPI_SUPPORT_PARALLEL_MODE) && (FSL_FEATURE_QSPI_SUPPORT_PARALLEL_MODE) uint32_t flashB1Size; /*!< Flash B1 size */ uint32_t flashB2Size; /*!< Flash B2 size */ #endif /* FSL_FEATURE_QSPI_SUPPORT_PARALLEL_MODE */ uint32_t lookuptable[FSL_FEATURE_QSPI_LUT_DEPTH]; /*!< Flash command in LUT */ #if !defined(FSL_FEATURE_QSPI_HAS_NO_TDH) || (!FSL_FEATURE_QSPI_HAS_NO_TDH) uint32_t dataHoldTime; /*!< Data line hold time. */ #endif /* FSL_FEATURE_QSPI_HAS_NO_TDH */ uint32_t CSHoldTime; /*!< CS line hold time */ uint32_t CSSetupTime; /*!< CS line setup time*/ uint32_t cloumnspace; /*!< Column space size */ uint32_t dataLearnValue; /*!< Data Learn value if enable data learn */ qspi_endianness_t endian; /*!< Flash data endianess. */ bool enableWordAddress; /*!< If enable word address.*/ } qspi_flash_config_t; /*! @brief Transfer structure for QSPI */ typedef struct _qspi_transfer { uint32_t *data; /*!< Pointer to data to transmit */ size_t dataSize; /*!< Bytes to be transmit */ } qspi_transfer_t; /****************************************************************************** * API *****************************************************************************/ #if defined(__cplusplus) extern "C" { #endif /*! * @name Initialization and deinitialization * @{ */ /*! * @brief Get the instance number for QSPI. * * @param base QSPI base pointer. */ uint32_t QSPI_GetInstance(QuadSPI_Type *base); /*! * @brief Initializes the QSPI module and internal state. * * This function enables the clock for QSPI and also configures the QSPI with the * input configure parameters. Users should call this function before any QSPI operations. * * @param base Pointer to QuadSPI Type. * @param config QSPI configure structure. * @param srcClock_Hz QSPI source clock frequency in Hz. */ void QSPI_Init(QuadSPI_Type *base, qspi_config_t *config, uint32_t srcClock_Hz); /*! * @brief Gets default settings for QSPI. * * @param config QSPI configuration structure. */ void QSPI_GetDefaultQspiConfig(qspi_config_t *config); /*! * @brief Deinitializes the QSPI module. * * Clears the QSPI state and QSPI module registers. * @param base Pointer to QuadSPI Type. */ void QSPI_Deinit(QuadSPI_Type *base); /*! * @brief Configures the serial flash parameter. * * This function configures the serial flash relevant parameters, such as the size, command, and so on. * The flash configuration value cannot have a default value. The user needs to configure it according to the * QSPI features. * * @param base Pointer to QuadSPI Type. * @param config Flash configuration parameters. */ void QSPI_SetFlashConfig(QuadSPI_Type *base, qspi_flash_config_t *config); /*! * @brief Software reset for the QSPI logic. * * This function sets the software reset flags for both AHB and buffer domain and * resets both AHB buffer and also IP FIFOs. * * @param base Pointer to QuadSPI Type. */ void QSPI_SoftwareReset(QuadSPI_Type *base); /*! * @brief Enables or disables the QSPI module. * * @param base Pointer to QuadSPI Type. * @param enable True means enable QSPI, false means disable. */ static inline void QSPI_Enable(QuadSPI_Type *base, bool enable) { if (enable) { base->MCR &= ~QuadSPI_MCR_MDIS_MASK; } else { base->MCR |= QuadSPI_MCR_MDIS_MASK; } } /*! @} */ /*! * @name Status * @{ */ /*! * @brief Gets the state value of QSPI. * * @param base Pointer to QuadSPI Type. * @return status flag, use status flag to AND #_qspi_flags could get the related status. */ static inline uint32_t QSPI_GetStatusFlags(QuadSPI_Type *base) { return base->SR; } /*! * @brief Gets QSPI error status flags. * * @param base Pointer to QuadSPI Type. * @return status flag, use status flag to AND #_qspi_error_flags could get the related status. */ static inline uint32_t QSPI_GetErrorStatusFlags(QuadSPI_Type *base) { return base->FR; } /*! @brief Clears the QSPI error flags. * * @param base Pointer to QuadSPI Type. * @param mask Which kind of QSPI flags to be cleared, a combination of _qspi_error_flags. */ static inline void QSPI_ClearErrorFlag(QuadSPI_Type *base, uint32_t mask) { base->FR = mask; } /*! @} */ /*! * @name Interrupts * @{ */ /*! * @brief Enables the QSPI interrupts. * * @param base Pointer to QuadSPI Type. * @param mask QSPI interrupt source. */ static inline void QSPI_EnableInterrupts(QuadSPI_Type *base, uint32_t mask) { base->RSER |= mask; } /*! * @brief Disables the QSPI interrupts. * * @param base Pointer to QuadSPI Type. * @param mask QSPI interrupt source. */ static inline void QSPI_DisableInterrupts(QuadSPI_Type *base, uint32_t mask) { base->RSER &= ~mask; } /*! @} */ /*! * @name DMA Control * @{ */ /*! * @brief Enables the QSPI DMA source. * * @param base Pointer to QuadSPI Type. * @param mask QSPI DMA source. * @param enable True means enable DMA, false means disable. */ static inline void QSPI_EnableDMA(QuadSPI_Type *base, uint32_t mask, bool enable) { if (enable) { base->RSER |= mask; } else { base->RSER &= ~mask; } } /*! * @brief Gets the Tx data register address. It is used for DMA operation. * * @param base Pointer to QuadSPI Type. * @return QSPI Tx data register address. */ static inline uint32_t QSPI_GetTxDataRegisterAddress(QuadSPI_Type *base) { return (uint32_t)(&base->TBDR); } /*! * @brief Gets the Rx data register address used for DMA operation. * * This function returns the Rx data register address or Rx buffer address * according to the Rx read area settings. * * @param base Pointer to QuadSPI Type. * @return QSPI Rx data register address. */ uint32_t QSPI_GetRxDataRegisterAddress(QuadSPI_Type *base); /* @} */ /*! * @name Bus Operations * @{ */ /*! @brief Sets the IP command address. * * @param base Pointer to QuadSPI Type. * @param addr IP command address. */ static inline void QSPI_SetIPCommandAddress(QuadSPI_Type *base, uint32_t addr) { base->SFAR = addr; } /*! @brief Sets the IP command size. * * @param base Pointer to QuadSPI Type. * @param size IP command size. */ static inline void QSPI_SetIPCommandSize(QuadSPI_Type *base, uint32_t size) { base->IPCR = ((base->IPCR & (~QuadSPI_IPCR_IDATSZ_MASK)) | QuadSPI_IPCR_IDATSZ(size)); } /*! @brief Executes IP commands located in LUT table. * * @param base Pointer to QuadSPI Type. * @param index IP command located in which LUT table index. */ void QSPI_ExecuteIPCommand(QuadSPI_Type *base, uint32_t index); /*! @brief Executes AHB commands located in LUT table. * * @param base Pointer to QuadSPI Type. * @param index AHB command located in which LUT table index. */ void QSPI_ExecuteAHBCommand(QuadSPI_Type *base, uint32_t index); #if defined(FSL_FEATURE_QSPI_SUPPORT_PARALLEL_MODE) && (FSL_FEATURE_QSPI_SUPPORT_PARALLEL_MODE) /*! @brief Enables/disables the QSPI IP command parallel mode. * * @param base Pointer to QuadSPI Type. * @param enable True means enable parallel mode, false means disable parallel mode. */ static inline void QSPI_EnableIPParallelMode(QuadSPI_Type *base, bool enable) { if (enable) { base->IPCR |= QuadSPI_IPCR_PAR_EN_MASK; } else { base->IPCR &= ~QuadSPI_IPCR_PAR_EN_MASK; } } /*! @brief Enables/disables the QSPI AHB command parallel mode. * * @param base Pointer to QuadSPI Type. * @param enable True means enable parallel mode, false means disable parallel mode. */ static inline void QSPI_EnableAHBParallelMode(QuadSPI_Type *base, bool enable) { if (enable) { base->BFGENCR |= QuadSPI_BFGENCR_PAR_EN_MASK; } else { base->BFGENCR &= ~QuadSPI_BFGENCR_PAR_EN_MASK; } } #endif /* FSL_FEATURE_QSPI_SUPPORT_PARALLEL_MODE */ /*! @brief Updates the LUT table. * * @param base Pointer to QuadSPI Type. * @param index Which LUT index needs to be located. It should be an integer divided by 4. * @param cmd Command sequence array. */ void QSPI_UpdateLUT(QuadSPI_Type *base, uint32_t index, uint32_t *cmd); /*! @brief Clears the QSPI FIFO logic. * * @param base Pointer to QuadSPI Type. * @param mask Which kind of QSPI FIFO to be cleared. */ static inline void QSPI_ClearFifo(QuadSPI_Type *base, uint32_t mask) { base->MCR |= mask; } /*!@ brief Clears the command sequence for the IP/buffer command. * * This function can reset the command sequence. * @param base QSPI base address. * @param seq Which command sequence need to reset, IP command, buffer command or both. */ static inline void QSPI_ClearCommandSequence(QuadSPI_Type *base, qspi_command_seq_t seq) { base->SPTRCLR = seq; } /*! * @brief Enable or disable DDR mode. * * @param base QSPI base pointer * @param eanble True means enable DDR mode, false means disable DDR mode. */ static inline void QSPI_EnableDDRMode(QuadSPI_Type *base, bool enable) { if (enable) { base->MCR |= QuadSPI_MCR_DDR_EN_MASK; } else { base->MCR &= ~QuadSPI_MCR_DDR_EN_MASK; } } /*!@ brief Set the RX buffer readout area. * * This function can set the RX buffer readout, from AHB bus or IP Bus. * @param base QSPI base address. * @param area QSPI Rx buffer readout area. AHB bus buffer or IP bus buffer. */ void QSPI_SetReadDataArea(QuadSPI_Type *base, qspi_read_area_t area); /*! * @brief Sends a buffer of data bytes using a blocking method. * @note This function blocks via polling until all bytes have been sent. * @param base QSPI base pointer * @param buffer The data bytes to send * @param size The number of data bytes to send */ void QSPI_WriteBlocking(QuadSPI_Type *base, uint32_t *buffer, size_t size); /*! * @brief Writes data into FIFO. * * @param base QSPI base pointer * @param data The data bytes to send */ static inline void QSPI_WriteData(QuadSPI_Type *base, uint32_t data) { base->TBDR = data; } /*! * @brief Receives a buffer of data bytes using a blocking method. * @note This function blocks via polling until all bytes have been sent. Users shall notice that * this receive size shall not bigger than 64 bytes. As this interface is used to read flash status registers. * For flash contents read, please use AHB bus read, this is much more efficiency. * * @param base QSPI base pointer * @param buffer The data bytes to send * @param size The number of data bytes to receive */ void QSPI_ReadBlocking(QuadSPI_Type *base, uint32_t *buffer, size_t size); /*! * @brief Receives data from data FIFO. * * @param base QSPI base pointer * @return The data in the FIFO. */ uint32_t QSPI_ReadData(QuadSPI_Type *base); /*! @} */ /*! * @name Transactional * @{ */ /*! * @brief Writes data to the QSPI transmit buffer. * * This function writes a continuous data to the QSPI transmit FIFO. This function is a block function * and can return only when finished. This function uses polling methods. * * @param base Pointer to QuadSPI Type. * @param xfer QSPI transfer structure. */ static inline void QSPI_TransferSendBlocking(QuadSPI_Type *base, qspi_transfer_t *xfer) { QSPI_WriteBlocking(base, xfer->data, xfer->dataSize); } /*! * @brief Reads data from the QSPI receive buffer in polling way. * * This function reads continuous data from the QSPI receive buffer/FIFO. This function is a blocking * function and can return only when finished. This function uses polling methods. Users shall notice that * this receive size shall not bigger than 64 bytes. As this interface is used to read flash status registers. * For flash contents read, please use AHB bus read, this is much more efficiency. * * @param base Pointer to QuadSPI Type. * @param xfer QSPI transfer structure. */ static inline void QSPI_TransferReceiveBlocking(QuadSPI_Type *base, qspi_transfer_t *xfer) { QSPI_ReadBlocking(base, xfer->data, xfer->dataSize); } /*! @} */ #if defined(__cplusplus) } #endif /* @}*/ #endif /* _FSL_QSPI_H_*/