/* * Copyright (c) 2016, Freescale Semiconductor, Inc. * Copyright 2016-2020 NXP * All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #ifndef __FSL_FLEXSPI_H_ #define __FSL_FLEXSPI_H_ #include #include "fsl_device_registers.h" #include "fsl_common.h" /*! * @addtogroup flexspi * @{ */ /******************************************************************************* * Definitions ******************************************************************************/ /*! @name Driver version */ /*@{*/ /*! @brief FLEXSPI driver version 2.2.2. */ #define FSL_FLEXSPI_DRIVER_VERSION (MAKE_VERSION(2, 2, 2)) /*@}*/ #define FSL_FEATURE_FLEXSPI_AHB_BUFFER_COUNT FSL_FEATURE_FLEXSPI_AHB_BUFFER_COUNTn(0) /*! @brief Formula to form FLEXSPI instructions in LUT table. */ #define FLEXSPI_LUT_SEQ(cmd0, pad0, op0, cmd1, pad1, op1) \ (FLEXSPI_LUT_OPERAND0(op0) | FLEXSPI_LUT_NUM_PADS0(pad0) | FLEXSPI_LUT_OPCODE0(cmd0) | FLEXSPI_LUT_OPERAND1(op1) | \ FLEXSPI_LUT_NUM_PADS1(pad1) | FLEXSPI_LUT_OPCODE1(cmd1)) /*! @brief Status structure of FLEXSPI.*/ enum { kStatus_FLEXSPI_Busy = MAKE_STATUS(kStatusGroup_FLEXSPI, 0), /*!< FLEXSPI is busy */ kStatus_FLEXSPI_SequenceExecutionTimeout = MAKE_STATUS(kStatusGroup_FLEXSPI, 1), /*!< Sequence execution timeout error occurred during FLEXSPI transfer. */ kStatus_FLEXSPI_IpCommandSequenceError = MAKE_STATUS(kStatusGroup_FLEXSPI, 2), /*!< IP command Sequence execution timeout error occurred during FLEXSPI transfer. */ kStatus_FLEXSPI_IpCommandGrantTimeout = MAKE_STATUS(kStatusGroup_FLEXSPI, 3), /*!< IP command grant timeout error occurred during FLEXSPI transfer. */ }; /*! @brief CMD definition of FLEXSPI, use to form LUT instruction, _flexspi_command. */ enum { kFLEXSPI_Command_STOP = 0x00U, /*!< Stop execution, deassert CS. */ kFLEXSPI_Command_SDR = 0x01U, /*!< Transmit Command code to Flash, using SDR mode. */ kFLEXSPI_Command_RADDR_SDR = 0x02U, /*!< Transmit Row Address to Flash, using SDR mode. */ kFLEXSPI_Command_CADDR_SDR = 0x03U, /*!< Transmit Column Address to Flash, using SDR mode. */ kFLEXSPI_Command_MODE1_SDR = 0x04U, /*!< Transmit 1-bit Mode bits to Flash, using SDR mode. */ kFLEXSPI_Command_MODE2_SDR = 0x05U, /*!< Transmit 2-bit Mode bits to Flash, using SDR mode. */ kFLEXSPI_Command_MODE4_SDR = 0x06U, /*!< Transmit 4-bit Mode bits to Flash, using SDR mode. */ kFLEXSPI_Command_MODE8_SDR = 0x07U, /*!< Transmit 8-bit Mode bits to Flash, using SDR mode. */ kFLEXSPI_Command_WRITE_SDR = 0x08U, /*!< Transmit Programming Data to Flash, using SDR mode. */ kFLEXSPI_Command_READ_SDR = 0x09U, /*!< Receive Read Data from Flash, using SDR mode. */ kFLEXSPI_Command_LEARN_SDR = 0x0AU, /*!< Receive Read Data or Preamble bit from Flash, SDR mode. */ kFLEXSPI_Command_DATSZ_SDR = 0x0BU, /*!< Transmit Read/Program Data size (byte) to Flash, SDR mode. */ kFLEXSPI_Command_DUMMY_SDR = 0x0CU, /*!< Leave data lines undriven by FlexSPI controller.*/ kFLEXSPI_Command_DUMMY_RWDS_SDR = 0x0DU, /*!< Leave data lines undriven by FlexSPI controller, dummy cycles decided by RWDS. */ kFLEXSPI_Command_DDR = 0x21U, /*!< Transmit Command code to Flash, using DDR mode. */ kFLEXSPI_Command_RADDR_DDR = 0x22U, /*!< Transmit Row Address to Flash, using DDR mode. */ kFLEXSPI_Command_CADDR_DDR = 0x23U, /*!< Transmit Column Address to Flash, using DDR mode. */ kFLEXSPI_Command_MODE1_DDR = 0x24U, /*!< Transmit 1-bit Mode bits to Flash, using DDR mode. */ kFLEXSPI_Command_MODE2_DDR = 0x25U, /*!< Transmit 2-bit Mode bits to Flash, using DDR mode. */ kFLEXSPI_Command_MODE4_DDR = 0x26U, /*!< Transmit 4-bit Mode bits to Flash, using DDR mode. */ kFLEXSPI_Command_MODE8_DDR = 0x27U, /*!< Transmit 8-bit Mode bits to Flash, using DDR mode. */ kFLEXSPI_Command_WRITE_DDR = 0x28U, /*!< Transmit Programming Data to Flash, using DDR mode. */ kFLEXSPI_Command_READ_DDR = 0x29U, /*!< Receive Read Data from Flash, using DDR mode. */ kFLEXSPI_Command_LEARN_DDR = 0x2AU, /*!< Receive Read Data or Preamble bit from Flash, DDR mode. */ kFLEXSPI_Command_DATSZ_DDR = 0x2BU, /*!< Transmit Read/Program Data size (byte) to Flash, DDR mode. */ kFLEXSPI_Command_DUMMY_DDR = 0x2CU, /*!< Leave data lines undriven by FlexSPI controller.*/ kFLEXSPI_Command_DUMMY_RWDS_DDR = 0x2DU, /*!< Leave data lines undriven by FlexSPI controller, dummy cycles decided by RWDS. */ kFLEXSPI_Command_JUMP_ON_CS = 0x1FU, /*!< Stop execution, deassert CS and save operand[7:0] as the instruction start pointer for next sequence */ }; /*! @brief pad definition of FLEXSPI, use to form LUT instruction. */ typedef enum _flexspi_pad { kFLEXSPI_1PAD = 0x00U, /*!< Transmit command/address and transmit/receive data only through DATA0/DATA1. */ kFLEXSPI_2PAD = 0x01U, /*!< Transmit command/address and transmit/receive data only through DATA[1:0]. */ kFLEXSPI_4PAD = 0x02U, /*!< Transmit command/address and transmit/receive data only through DATA[3:0]. */ kFLEXSPI_8PAD = 0x03U, /*!< Transmit command/address and transmit/receive data only through DATA[7:0]. */ } flexspi_pad_t; /*! @brief FLEXSPI interrupt status flags.*/ typedef enum _flexspi_flags { kFLEXSPI_SequenceExecutionTimeoutFlag = FLEXSPI_INTEN_SEQTIMEOUTEN_MASK, /*!< Sequence execution timeout. */ #if defined(FSL_FEATURE_FLEXSPI_HAS_INTEN_AHBBUSERROREN) && FSL_FEATURE_FLEXSPI_HAS_INTEN_AHBBUSERROREN kFLEXSPI_AhbBusErrorFlag = FLEXSPI_INTEN_AHBBUSERROREN_MASK, /*!< AHB Bus error flag. */ #else kFLEXSPI_AhbBusTimeoutFlag = FLEXSPI_INTEN_AHBBUSTIMEOUTEN_MASK, /*!< AHB Bus timeout. */ #endif kFLEXSPI_SckStoppedBecauseTxEmptyFlag = FLEXSPI_INTEN_SCKSTOPBYWREN_MASK, /*!< SCK is stopped during command sequence because Async TX FIFO empty. */ kFLEXSPI_SckStoppedBecauseRxFullFlag = FLEXSPI_INTEN_SCKSTOPBYRDEN_MASK, /*!< SCK is stopped during command sequence because Async RX FIFO full. */ #if !((defined(FSL_FEATURE_FLEXSPI_HAS_NO_DATA_LEARN)) && (FSL_FEATURE_FLEXSPI_HAS_NO_DATA_LEARN)) kFLEXSPI_DataLearningFailedFlag = FLEXSPI_INTEN_DATALEARNFAILEN_MASK, /*!< Data learning failed. */ #endif kFLEXSPI_IpTxFifoWatermarkEmptyFlag = FLEXSPI_INTEN_IPTXWEEN_MASK, /*!< IP TX FIFO WaterMark empty. */ kFLEXSPI_IpRxFifoWatermarkAvailableFlag = FLEXSPI_INTEN_IPRXWAEN_MASK, /*!< IP RX FIFO WaterMark available. */ kFLEXSPI_AhbCommandSequenceErrorFlag = FLEXSPI_INTEN_AHBCMDERREN_MASK, /*!< AHB triggered Command Sequences Error. */ kFLEXSPI_IpCommandSequenceErrorFlag = FLEXSPI_INTEN_IPCMDERREN_MASK, /*!< IP triggered Command Sequences Error. */ kFLEXSPI_AhbCommandGrantTimeoutFlag = FLEXSPI_INTEN_AHBCMDGEEN_MASK, /*!< AHB triggered Command Sequences Grant Timeout. */ kFLEXSPI_IpCommandGrantTimeoutFlag = FLEXSPI_INTEN_IPCMDGEEN_MASK, /*!< IP triggered Command Sequences Grant Timeout. */ kFLEXSPI_IpCommandExecutionDoneFlag = FLEXSPI_INTEN_IPCMDDONEEN_MASK, /*!< IP triggered Command Sequences Execution finished. */ kFLEXSPI_AllInterruptFlags = 0xFFFU, /*!< All flags. */ } flexspi_flags_t; /*! @brief FLEXSPI sample clock source selection for Flash Reading.*/ typedef enum _flexspi_read_sample_clock { kFLEXSPI_ReadSampleClkLoopbackInternally = 0x0U, /*!< Dummy Read strobe generated by FlexSPI Controller and loopback internally. */ kFLEXSPI_ReadSampleClkLoopbackFromDqsPad = 0x1U, /*!< Dummy Read strobe generated by FlexSPI Controller and loopback from DQS pad. */ kFLEXSPI_ReadSampleClkLoopbackFromSckPad = 0x2U, /*!< SCK output clock and loopback from SCK pad. */ kFLEXSPI_ReadSampleClkExternalInputFromDqsPad = 0x3U, /*!< Flash provided Read strobe and input from DQS pad. */ } flexspi_read_sample_clock_t; /*! @brief FLEXSPI interval unit for flash device select.*/ typedef enum _flexspi_cs_interval_cycle_unit { kFLEXSPI_CsIntervalUnit1SckCycle = 0x0U, /*!< Chip selection interval: CSINTERVAL * 1 serial clock cycle. */ kFLEXSPI_CsIntervalUnit256SckCycle = 0x1U, /*!< Chip selection interval: CSINTERVAL * 256 serial clock cycle. */ } flexspi_cs_interval_cycle_unit_t; /*! @brief FLEXSPI AHB wait interval unit for writing.*/ typedef enum _flexspi_ahb_write_wait_unit { kFLEXSPI_AhbWriteWaitUnit2AhbCycle = 0x0U, /*!< AWRWAIT unit is 2 ahb clock cycle. */ kFLEXSPI_AhbWriteWaitUnit8AhbCycle = 0x1U, /*!< AWRWAIT unit is 8 ahb clock cycle. */ kFLEXSPI_AhbWriteWaitUnit32AhbCycle = 0x2U, /*!< AWRWAIT unit is 32 ahb clock cycle. */ kFLEXSPI_AhbWriteWaitUnit128AhbCycle = 0x3U, /*!< AWRWAIT unit is 128 ahb clock cycle. */ kFLEXSPI_AhbWriteWaitUnit512AhbCycle = 0x4U, /*!< AWRWAIT unit is 512 ahb clock cycle. */ kFLEXSPI_AhbWriteWaitUnit2048AhbCycle = 0x5U, /*!< AWRWAIT unit is 2048 ahb clock cycle. */ kFLEXSPI_AhbWriteWaitUnit8192AhbCycle = 0x6U, /*!< AWRWAIT unit is 8192 ahb clock cycle. */ kFLEXSPI_AhbWriteWaitUnit32768AhbCycle = 0x7U, /*!< AWRWAIT unit is 32768 ahb clock cycle. */ } flexspi_ahb_write_wait_unit_t; /*! @brief Error Code when IP command Error detected.*/ typedef enum _flexspi_ip_error_code { kFLEXSPI_IpCmdErrorNoError = 0x0U, /*!< No error. */ kFLEXSPI_IpCmdErrorJumpOnCsInIpCmd = 0x2U, /*!< IP command with JMP_ON_CS instruction used. */ kFLEXSPI_IpCmdErrorUnknownOpCode = 0x3U, /*!< Unknown instruction opcode in the sequence. */ kFLEXSPI_IpCmdErrorSdrDummyInDdrSequence = 0x4U, /*!< Instruction DUMMY_SDR/DUMMY_RWDS_SDR used in DDR sequence. */ kFLEXSPI_IpCmdErrorDdrDummyInSdrSequence = 0x5U, /*!< Instruction DUMMY_DDR/DUMMY_RWDS_DDR used in SDR sequence. */ kFLEXSPI_IpCmdErrorInvalidAddress = 0x6U, /*!< Flash access start address exceed the whole flash address range (A1/A2/B1/B2). */ kFLEXSPI_IpCmdErrorSequenceExecutionTimeout = 0xEU, /*!< Sequence execution timeout. */ kFLEXSPI_IpCmdErrorFlashBoundaryAcrosss = 0xFU, /*!< Flash boundary crossed. */ } flexspi_ip_error_code_t; /*! @brief Error Code when AHB command Error detected.*/ typedef enum _flexspi_ahb_error_code { kFLEXSPI_AhbCmdErrorNoError = 0x0U, /*!< No error. */ kFLEXSPI_AhbCmdErrorJumpOnCsInWriteCmd = 0x2U, /*!< AHB Write command with JMP_ON_CS instruction used in the sequence. */ kFLEXSPI_AhbCmdErrorUnknownOpCode = 0x3U, /*!< Unknown instruction opcode in the sequence. */ kFLEXSPI_AhbCmdErrorSdrDummyInDdrSequence = 0x4U, /*!< Instruction DUMMY_SDR/DUMMY_RWDS_SDR used in DDR sequence. */ kFLEXSPI_AhbCmdErrorDdrDummyInSdrSequence = 0x5U, /*!< Instruction DUMMY_DDR/DUMMY_RWDS_DDR used in SDR sequence. */ kFLEXSPI_AhbCmdSequenceExecutionTimeout = 0x6U, /*!< Sequence execution timeout. */ } flexspi_ahb_error_code_t; /*! @brief FLEXSPI operation port select.*/ typedef enum _flexspi_port { kFLEXSPI_PortA1 = 0x0U, /*!< Access flash on A1 port. */ kFLEXSPI_PortA2, /*!< Access flash on A2 port. */ kFLEXSPI_PortB1, /*!< Access flash on B1 port. */ kFLEXSPI_PortB2, /*!< Access flash on B2 port. */ kFLEXSPI_PortCount } flexspi_port_t; /*! @brief Trigger source of current command sequence granted by arbitrator.*/ typedef enum _flexspi_arb_command_source { kFLEXSPI_AhbReadCommand = 0x0U, kFLEXSPI_AhbWriteCommand = 0x1U, kFLEXSPI_IpCommand = 0x2U, kFLEXSPI_SuspendedCommand = 0x3U, } flexspi_arb_command_source_t; /*! @brief Command type. */ typedef enum _flexspi_command_type { kFLEXSPI_Command, /*!< FlexSPI operation: Only command, both TX and Rx buffer are ignored. */ kFLEXSPI_Config, /*!< FlexSPI operation: Configure device mode, the TX fifo size is fixed in LUT. */ kFLEXSPI_Read, /* /!< FlexSPI operation: Read, only Rx Buffer is effective. */ kFLEXSPI_Write, /* /!< FlexSPI operation: Read, only Tx Buffer is effective. */ } flexspi_command_type_t; typedef struct _flexspi_ahbBuffer_config { uint8_t priority; /*!< This priority for AHB Master Read which this AHB RX Buffer is assigned. */ uint8_t masterIndex; /*!< AHB Master ID the AHB RX Buffer is assigned. */ uint16_t bufferSize; /*!< AHB buffer size in byte. */ bool enablePrefetch; /*!< AHB Read Prefetch Enable for current AHB RX Buffer corresponding Master, allows prefetch disable/enable separately for each master. */ } flexspi_ahbBuffer_config_t; /*! @brief FLEXSPI configuration structure. */ typedef struct _flexspi_config { flexspi_read_sample_clock_t rxSampleClock; /*!< Sample Clock source selection for Flash Reading. */ bool enableSckFreeRunning; /*!< Enable/disable SCK output free-running. */ bool enableCombination; /*!< Enable/disable combining PORT A and B Data Pins (SIOA[3:0] and SIOB[3:0]) to support Flash Octal mode. */ bool enableDoze; /*!< Enable/disable doze mode support. */ bool enableHalfSpeedAccess; /*!< Enable/disable divide by 2 of the clock for half speed commands. */ bool enableSckBDiffOpt; /*!< Enable/disable SCKB pad use as SCKA differential clock output, when enable, Port B flash access is not available. */ bool enableSameConfigForAll; /*!< Enable/disable same configuration for all connected devices when enabled, same configuration in FLASHA1CRx is applied to all. */ uint16_t seqTimeoutCycle; /*!< Timeout wait cycle for command sequence execution, timeout after ahbGrantTimeoutCyle*1024 serial root clock cycles. */ uint8_t ipGrantTimeoutCycle; /*!< Timeout wait cycle for IP command grant, timeout after ipGrantTimeoutCycle*1024 AHB clock cycles. */ uint8_t txWatermark; /*!< FLEXSPI IP transmit watermark value. */ uint8_t rxWatermark; /*!< FLEXSPI receive watermark value. */ struct { #if !(defined(FSL_FEATURE_FLEXSPI_HAS_NO_MCR0_ATDFEN) && FSL_FEATURE_FLEXSPI_HAS_NO_MCR0_ATDFEN) bool enableAHBWriteIpTxFifo; /*!< Enable AHB bus write access to IP TX FIFO. */ #endif #if !(defined(FSL_FEATURE_FLEXSPI_HAS_NO_MCR0_ARDFEN) && FSL_FEATURE_FLEXSPI_HAS_NO_MCR0_ARDFEN) bool enableAHBWriteIpRxFifo; /*!< Enable AHB bus write access to IP RX FIFO. */ #endif uint8_t ahbGrantTimeoutCycle; /*!< Timeout wait cycle for AHB command grant, timeout after ahbGrantTimeoutCyle*1024 AHB clock cycles. */ uint16_t ahbBusTimeoutCycle; /*!< Timeout wait cycle for AHB read/write access, timeout after ahbBusTimeoutCycle*1024 AHB clock cycles. */ uint8_t resumeWaitCycle; /*!< Wait cycle for idle state before suspended command sequence resume, timeout after ahbBusTimeoutCycle AHB clock cycles. */ flexspi_ahbBuffer_config_t buffer[FSL_FEATURE_FLEXSPI_AHB_BUFFER_COUNT]; /*!< AHB buffer size. */ bool enableClearAHBBufferOpt; /*!< Enable/disable automatically clean AHB RX Buffer and TX Buffer when FLEXSPI returns STOP mode ACK. */ bool enableReadAddressOpt; /*!< Enable/disable remove AHB read burst start address alignment limitation. when enable, there is no AHB read burst start address alignment limitation. */ bool enableAHBPrefetch; /*!< Enable/disable AHB read prefetch feature, when enabled, FLEXSPI will fetch more data than current AHB burst. */ bool enableAHBBufferable; /*!< Enable/disable AHB bufferable write access support, when enabled, FLEXSPI return before waiting for command execution finished. */ bool enableAHBCachable; /*!< Enable AHB bus cachable read access support. */ } ahbConfig; } flexspi_config_t; /*! @brief External device configuration items. */ typedef struct _flexspi_device_config { uint32_t flexspiRootClk; /*!< FLEXSPI serial root clock. */ bool isSck2Enabled; /*!< FLEXSPI use SCK2. */ uint32_t flashSize; /*!< Flash size in KByte. */ flexspi_cs_interval_cycle_unit_t CSIntervalUnit; /*!< CS interval unit, 1 or 256 cycle. */ uint16_t CSInterval; /*!< CS line assert interval, multiply CS interval unit to get the CS line assert interval cycles. */ uint8_t CSHoldTime; /*!< CS line hold time. */ uint8_t CSSetupTime; /*!< CS line setup time. */ uint8_t dataValidTime; /*!< Data valid time for external device. */ uint8_t columnspace; /*!< Column space size. */ bool enableWordAddress; /*!< If enable word address.*/ uint8_t AWRSeqIndex; /*!< Sequence ID for AHB write command. */ uint8_t AWRSeqNumber; /*!< Sequence number for AHB write command. */ uint8_t ARDSeqIndex; /*!< Sequence ID for AHB read command. */ uint8_t ARDSeqNumber; /*!< Sequence number for AHB read command. */ flexspi_ahb_write_wait_unit_t AHBWriteWaitUnit; /*!< AHB write wait unit. */ uint16_t AHBWriteWaitInterval; /*!< AHB write wait interval, multiply AHB write interval unit to get the AHB write wait cycles. */ bool enableWriteMask; /*!< Enable/Disable FLEXSPI drive DQS pin as write mask when writing to external device. */ } flexspi_device_config_t; /*! @brief Transfer structure for FLEXSPI. */ typedef struct _flexspi_transfer { uint32_t deviceAddress; /*!< Operation device address. */ flexspi_port_t port; /*!< Operation port. */ flexspi_command_type_t cmdType; /*!< Execution command type. */ uint8_t seqIndex; /*!< Sequence ID for command. */ uint8_t SeqNumber; /*!< Sequence number for command. */ uint32_t *data; /*!< Data buffer. */ size_t dataSize; /*!< Data size in bytes. */ } flexspi_transfer_t; /* Forward declaration of the handle typedef. */ typedef struct _flexspi_handle flexspi_handle_t; /*! @brief FLEXSPI transfer callback function. */ typedef void (*flexspi_transfer_callback_t)(FLEXSPI_Type *base, flexspi_handle_t *handle, status_t status, void *userData); /*! @brief Transfer handle structure for FLEXSPI. */ struct _flexspi_handle { uint32_t state; /*!< Internal state for FLEXSPI transfer */ uint32_t *data; /*!< Data buffer. */ size_t dataSize; /*!< Remaining Data size in bytes. */ size_t transferTotalSize; /*!< Total Data size in bytes. */ flexspi_transfer_callback_t completionCallback; /*!< Callback for users while transfer finish or error occurred */ void *userData; /*!< FLEXSPI callback function parameter.*/ }; /******************************************************************************* * API ******************************************************************************/ #if defined(__cplusplus) extern "C" { #endif /*_cplusplus. */ /*! * @name Initialization and deinitialization * @{ */ /*! * @brief Initializes the FLEXSPI module and internal state. * * This function enables the clock for FLEXSPI and also configures the FLEXSPI with the * input configure parameters. Users should call this function before any FLEXSPI operations. * * @param base FLEXSPI peripheral base address. * @param config FLEXSPI configure structure. */ void FLEXSPI_Init(FLEXSPI_Type *base, const flexspi_config_t *config); /*! * @brief Gets default settings for FLEXSPI. * * @param config FLEXSPI configuration structure. */ void FLEXSPI_GetDefaultConfig(flexspi_config_t *config); /*! * @brief Deinitializes the FLEXSPI module. * * Clears the FLEXSPI state and FLEXSPI module registers. * @param base FLEXSPI peripheral base address. */ void FLEXSPI_Deinit(FLEXSPI_Type *base); /*! * @brief Configures the connected device parameter. * * This function configures the connected device 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 * connected device. * * @param base FLEXSPI peripheral base address. * @param config Flash configuration parameters. * @param port FLEXSPI Operation port. */ void FLEXSPI_SetFlashConfig(FLEXSPI_Type *base, flexspi_device_config_t *config, flexspi_port_t port); /*! * @brief Software reset for the FLEXSPI 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 FLEXSPI peripheral base address. */ static inline void FLEXSPI_SoftwareReset(FLEXSPI_Type *base) { base->MCR0 |= FLEXSPI_MCR0_SWRESET_MASK; while (0U != (base->MCR0 & FLEXSPI_MCR0_SWRESET_MASK)) { } } /*! * @brief Enables or disables the FLEXSPI module. * * @param base FLEXSPI peripheral base address. * @param enable True means enable FLEXSPI, false means disable. */ static inline void FLEXSPI_Enable(FLEXSPI_Type *base, bool enable) { if (enable) { base->MCR0 &= ~FLEXSPI_MCR0_MDIS_MASK; } else { base->MCR0 |= FLEXSPI_MCR0_MDIS_MASK; } } /* @} */ /*! * @name Interrupts * @{ */ /*! * @brief Enables the FLEXSPI interrupts. * * @param base FLEXSPI peripheral base address. * @param mask FLEXSPI interrupt source. */ static inline void FLEXSPI_EnableInterrupts(FLEXSPI_Type *base, uint32_t mask) { base->INTEN |= mask; } /*! * @brief Disable the FLEXSPI interrupts. * * @param base FLEXSPI peripheral base address. * @param mask FLEXSPI interrupt source. */ static inline void FLEXSPI_DisableInterrupts(FLEXSPI_Type *base, uint32_t mask) { base->INTEN &= ~mask; } /* @} */ /*! @name DMA control */ /*@{*/ /*! * @brief Enables or disables FLEXSPI IP Tx FIFO DMA requests. * * @param base FLEXSPI peripheral base address. * @param enable Enable flag for transmit DMA request. Pass true for enable, false for disable. */ static inline void FLEXSPI_EnableTxDMA(FLEXSPI_Type *base, bool enable) { if (enable) { base->IPTXFCR |= FLEXSPI_IPTXFCR_TXDMAEN_MASK; } else { base->IPTXFCR &= ~FLEXSPI_IPTXFCR_TXDMAEN_MASK; } } /*! * @brief Enables or disables FLEXSPI IP Rx FIFO DMA requests. * * @param base FLEXSPI peripheral base address. * @param enable Enable flag for receive DMA request. Pass true for enable, false for disable. */ static inline void FLEXSPI_EnableRxDMA(FLEXSPI_Type *base, bool enable) { if (enable) { base->IPRXFCR |= FLEXSPI_IPRXFCR_RXDMAEN_MASK; } else { base->IPRXFCR &= ~FLEXSPI_IPRXFCR_RXDMAEN_MASK; } } /*! * @brief Gets FLEXSPI IP tx fifo address for DMA transfer. * * @param base FLEXSPI peripheral base address. * @retval The tx fifo address. */ static inline uint32_t FLEXSPI_GetTxFifoAddress(FLEXSPI_Type *base) { return (uint32_t)&base->TFDR[0]; } /*! * @brief Gets FLEXSPI IP rx fifo address for DMA transfer. * * @param base FLEXSPI peripheral base address. * @retval The rx fifo address. */ static inline uint32_t FLEXSPI_GetRxFifoAddress(FLEXSPI_Type *base) { return (uint32_t)&base->RFDR[0]; } /*@}*/ /*! @name FIFO control */ /*@{*/ /*! @brief Clears the FLEXSPI IP FIFO logic. * * @param base FLEXSPI peripheral base address. * @param txFifo Pass true to reset TX FIFO. * @param rxFifo Pass true to reset RX FIFO. */ static inline void FLEXSPI_ResetFifos(FLEXSPI_Type *base, bool txFifo, bool rxFifo) { if (txFifo) { base->IPTXFCR |= FLEXSPI_IPTXFCR_CLRIPTXF_MASK; } if (rxFifo) { base->IPRXFCR |= FLEXSPI_IPRXFCR_CLRIPRXF_MASK; } } /*! * @brief Gets the valid data entries in the FLEXSPI FIFOs. * * @param base FLEXSPI peripheral base address. * @param[out] txCount Pointer through which the current number of bytes in the transmit FIFO is returned. * Pass NULL if this value is not required. * @param[out] rxCount Pointer through which the current number of bytes in the receive FIFO is returned. * Pass NULL if this value is not required. */ static inline void FLEXSPI_GetFifoCounts(FLEXSPI_Type *base, size_t *txCount, size_t *rxCount) { if (NULL != txCount) { *txCount = (((base->IPTXFSTS) & FLEXSPI_IPTXFSTS_FILL_MASK) >> FLEXSPI_IPTXFSTS_FILL_SHIFT) * 8U; } if (NULL != rxCount) { *rxCount = (((base->IPRXFSTS) & FLEXSPI_IPRXFSTS_FILL_MASK) >> FLEXSPI_IPRXFSTS_FILL_SHIFT) * 8U; } } /*@}*/ /*! * @name Status * @{ */ /*! * @brief Get the FLEXSPI interrupt status flags. * * @param base FLEXSPI peripheral base address. * @retval interrupt status flag, use status flag to AND #flexspi_flags_t could get the related status. */ static inline uint32_t FLEXSPI_GetInterruptStatusFlags(FLEXSPI_Type *base) { return base->INTR; } /*! * @brief Get the FLEXSPI interrupt status flags. * * @param base FLEXSPI peripheral base address. * @param mask FLEXSPI interrupt source. */ static inline void FLEXSPI_ClearInterruptStatusFlags(FLEXSPI_Type *base, uint32_t mask) { base->INTR |= mask; } #if !((defined(FSL_FEATURE_FLEXSPI_HAS_NO_DATA_LEARN)) && (FSL_FEATURE_FLEXSPI_HAS_NO_DATA_LEARN)) /*! @brief Gets the sampling clock phase selection after Data Learning. * * @param base FLEXSPI peripheral base address. * @param portAPhase Pointer to a uint8_t type variable to receive the selected clock phase on PORTA. * @param portBPhase Pointer to a uint8_t type variable to receive the selected clock phase on PORTB. */ static inline void FLEXSPI_GetDataLearningPhase(FLEXSPI_Type *base, uint8_t *portAPhase, uint8_t *portBPhase) { if (portAPhase != NULL) { *portAPhase = (uint8_t)((base->STS0 & FLEXSPI_STS0_DATALEARNPHASEA_MASK) >> FLEXSPI_STS0_DATALEARNPHASEA_SHIFT); } if (portBPhase != NULL) { *portBPhase = (uint8_t)((base->STS0 & FLEXSPI_STS0_DATALEARNPHASEB_MASK) >> FLEXSPI_STS0_DATALEARNPHASEB_SHIFT); } } #endif /*! @brief Gets the trigger source of current command sequence granted by arbitrator. * * @param base FLEXSPI peripheral base address. * @retval trigger source of current command sequence. */ static inline flexspi_arb_command_source_t FLEXSPI_GetArbitratorCommandSource(FLEXSPI_Type *base) { return (flexspi_arb_command_source_t)( (uint32_t)((base->STS0 & FLEXSPI_STS0_ARBCMDSRC_MASK) >> FLEXSPI_STS0_ARBCMDSRC_SHIFT)); } /*! @brief Gets the error code when IP command error detected. * * @param base FLEXSPI peripheral base address. * @param index Pointer to a uint8_t type variable to receive the sequence index when error detected. * @retval error code when IP command error detected. */ static inline flexspi_ip_error_code_t FLEXSPI_GetIPCommandErrorCode(FLEXSPI_Type *base, uint8_t *index) { *index = (uint8_t)((base->STS1 & FLEXSPI_STS1_IPCMDERRID_MASK) >> FLEXSPI_STS1_IPCMDERRID_SHIFT); return (flexspi_ip_error_code_t)( (uint32_t)((base->STS1 & FLEXSPI_STS1_IPCMDERRCODE_MASK) >> FLEXSPI_STS1_IPCMDERRCODE_SHIFT)); } /*! @brief Gets the error code when AHB command error detected. * * @param base FLEXSPI peripheral base address. * @param index Pointer to a uint8_t type variable to receive the sequence index when error detected. * @retval error code when AHB command error detected. */ static inline flexspi_ahb_error_code_t FLEXSPI_GetAHBCommandErrorCode(FLEXSPI_Type *base, uint8_t *index) { *index = (uint8_t)(base->STS1 & FLEXSPI_STS1_AHBCMDERRID_MASK) >> FLEXSPI_STS1_AHBCMDERRID_SHIFT; return (flexspi_ahb_error_code_t)( (uint32_t)((base->STS1 & FLEXSPI_STS1_AHBCMDERRCODE_MASK) >> FLEXSPI_STS1_AHBCMDERRCODE_SHIFT)); } /*! @brief Returns whether the bus is idle. * * @param base FLEXSPI peripheral base address. * @retval true Bus is idle. * @retval false Bus is busy. */ static inline bool FLEXSPI_GetBusIdleStatus(FLEXSPI_Type *base) { return (0U != (base->STS0 & FLEXSPI_STS0_ARBIDLE_MASK)) && (0U != (base->STS0 & FLEXSPI_STS0_SEQIDLE_MASK)); } /*@}*/ /*! * @name Bus Operations * @{ */ /*! @brief Update read sample clock source * * @param base FLEXSPI peripheral base address. * @param clockSource clockSource of type #flexspi_read_sample_clock_t */ void FLEXSPI_UpdateRxSampleClock(FLEXSPI_Type *base, flexspi_read_sample_clock_t clockSource); /*! @brief Enables/disables the FLEXSPI IP command parallel mode. * * @param base FLEXSPI peripheral base address. * @param enable True means enable parallel mode, false means disable parallel mode. */ static inline void FLEXSPI_EnableIPParallelMode(FLEXSPI_Type *base, bool enable) { if (enable) { base->IPCR1 |= FLEXSPI_IPCR1_IPAREN_MASK; } else { base->IPCR1 &= ~FLEXSPI_IPCR1_IPAREN_MASK; } } /*! @brief Enables/disables the FLEXSPI AHB command parallel mode. * * @param base FLEXSPI peripheral base address. * @param enable True means enable parallel mode, false means disable parallel mode. */ static inline void FLEXSPI_EnableAHBParallelMode(FLEXSPI_Type *base, bool enable) { if (enable) { base->AHBCR |= FLEXSPI_AHBCR_APAREN_MASK; } else { base->AHBCR &= ~FLEXSPI_AHBCR_APAREN_MASK; } } /*! @brief Updates the LUT table. * * @param base FLEXSPI peripheral base address. * @param index From which index start to update. It could be any index of the LUT table, which * also allows user to update command content inside a command. Each command consists of up to * 8 instructions and occupy 4*32-bit memory. * @param cmd Command sequence array. * @param count Number of sequences. */ void FLEXSPI_UpdateLUT(FLEXSPI_Type *base, uint32_t index, const uint32_t *cmd, uint32_t count); /*! * @brief Writes data into FIFO. * * @param base FLEXSPI peripheral base address * @param data The data bytes to send * @param fifoIndex Destination fifo index. */ static inline void FLEXSPI_WriteData(FLEXSPI_Type *base, uint32_t data, uint8_t fifoIndex) { base->TFDR[fifoIndex] = data; } /*! * @brief Receives data from data FIFO. * * @param base FLEXSPI peripheral base address * @param fifoIndex Source fifo index. * @return The data in the FIFO. */ static inline uint32_t FLEXSPI_ReadData(FLEXSPI_Type *base, uint8_t fifoIndex) { return base->RFDR[fifoIndex]; } /*! * @brief Sends a buffer of data bytes using blocking method. * @note This function blocks via polling until all bytes have been sent. * @param base FLEXSPI peripheral base address * @param buffer The data bytes to send * @param size The number of data bytes to send * @retval kStatus_Success write success without error * @retval kStatus_FLEXSPI_SequenceExecutionTimeout sequence execution timeout * @retval kStatus_FLEXSPI_IpCommandSequenceError IP command sequence error detected * @retval kStatus_FLEXSPI_IpCommandGrantTimeout IP command grant timeout detected */ status_t FLEXSPI_WriteBlocking(FLEXSPI_Type *base, uint32_t *buffer, size_t size); /*! * @brief Receives a buffer of data bytes using a blocking method. * @note This function blocks via polling until all bytes have been sent. * @param base FLEXSPI peripheral base address * @param buffer The data bytes to send * @param size The number of data bytes to receive * @retval kStatus_Success read success without error * @retval kStatus_FLEXSPI_SequenceExecutionTimeout sequence execution timeout * @retval kStatus_FLEXSPI_IpCommandSequenceError IP command sequencen error detected * @retval kStatus_FLEXSPI_IpCommandGrantTimeout IP command grant timeout detected */ status_t FLEXSPI_ReadBlocking(FLEXSPI_Type *base, uint32_t *buffer, size_t size); /*! * @brief Execute command to transfer a buffer data bytes using a blocking method. * @param base FLEXSPI peripheral base address * @param xfer pointer to the transfer structure. * @retval kStatus_Success command transfer success without error * @retval kStatus_FLEXSPI_SequenceExecutionTimeout sequence execution timeout * @retval kStatus_FLEXSPI_IpCommandSequenceError IP command sequence error detected * @retval kStatus_FLEXSPI_IpCommandGrantTimeout IP command grant timeout detected */ status_t FLEXSPI_TransferBlocking(FLEXSPI_Type *base, flexspi_transfer_t *xfer); /*! @} */ /*! * @name Transactional * @{ */ /*! * @brief Initializes the FLEXSPI handle which is used in transactional functions. * * @param base FLEXSPI peripheral base address. * @param handle pointer to flexspi_handle_t structure to store the transfer state. * @param callback pointer to user callback function. * @param userData user parameter passed to the callback function. */ void FLEXSPI_TransferCreateHandle(FLEXSPI_Type *base, flexspi_handle_t *handle, flexspi_transfer_callback_t callback, void *userData); /*! * @brief Performs a interrupt non-blocking transfer on the FLEXSPI bus. * * @note Calling the API returns immediately after transfer initiates. The user needs * to call FLEXSPI_GetTransferCount to poll the transfer status to check whether * the transfer is finished. If the return status is not kStatus_FLEXSPI_Busy, the transfer * is finished. For FLEXSPI_Read, the dataSize should be multiple of rx watermark level, or * FLEXSPI could not read data properly. * * @param base FLEXSPI peripheral base address. * @param handle pointer to flexspi_handle_t structure which stores the transfer state. * @param xfer pointer to flexspi_transfer_t structure. * @retval kStatus_Success Successfully start the data transmission. * @retval kStatus_FLEXSPI_Busy Previous transmission still not finished. */ status_t FLEXSPI_TransferNonBlocking(FLEXSPI_Type *base, flexspi_handle_t *handle, flexspi_transfer_t *xfer); /*! * @brief Gets the master transfer status during a interrupt non-blocking transfer. * * @param base FLEXSPI peripheral base address. * @param handle pointer to flexspi_handle_t structure which stores the transfer state. * @param count Number of bytes transferred so far by the non-blocking transaction. * @retval kStatus_InvalidArgument count is Invalid. * @retval kStatus_Success Successfully return the count. */ status_t FLEXSPI_TransferGetCount(FLEXSPI_Type *base, flexspi_handle_t *handle, size_t *count); /*! * @brief Aborts an interrupt non-blocking transfer early. * * @note This API can be called at any time when an interrupt non-blocking transfer initiates * to abort the transfer early. * * @param base FLEXSPI peripheral base address. * @param handle pointer to flexspi_handle_t structure which stores the transfer state */ void FLEXSPI_TransferAbort(FLEXSPI_Type *base, flexspi_handle_t *handle); /*! * @brief Master interrupt handler. * * @param base FLEXSPI peripheral base address. * @param handle pointer to flexspi_handle_t structure. */ void FLEXSPI_TransferHandleIRQ(FLEXSPI_Type *base, flexspi_handle_t *handle); /*! @} */ #if defined(__cplusplus) } #endif /*_cplusplus. */ /*@}*/ #endif /* __FSL_FLEXSPI_H_ */