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- /*
- * Copyright (c) 2016, Freescale Semiconductor, Inc.
- * Copyright 2016-2021 NXP
- * All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
- #include "fsl_usdhc.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 */
- #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET
- #include "fsl_memory.h"
- #endif
- /*******************************************************************************
- * Definitions
- ******************************************************************************/
- /* Component ID definition, used by tools. */
- #ifndef FSL_COMPONENT_ID
- #define FSL_COMPONENT_ID "platform.drivers.usdhc"
- #endif
- /*! @brief Clock setting */
- /* Max SD clock divisor from base clock */
- #define USDHC_MAX_DVS ((USDHC_SYS_CTRL_DVS_MASK >> USDHC_SYS_CTRL_DVS_SHIFT) + 1U)
- #define USDHC_MAX_CLKFS ((USDHC_SYS_CTRL_SDCLKFS_MASK >> USDHC_SYS_CTRL_SDCLKFS_SHIFT) + 1U)
- #define USDHC_PREV_DVS(x) ((x) -= 1U)
- #define USDHC_PREV_CLKFS(x, y) ((x) >>= (y))
- /*! @brief USDHC ADMA table address align size */
- #define USDHC_ADMA_TABLE_ADDRESS_ALIGN (4U)
- /* Typedef for interrupt handler. */
- typedef void (*usdhc_isr_t)(USDHC_Type *base, usdhc_handle_t *handle);
- /*! @brief check flag avalibility */
- #define IS_USDHC_FLAG_SET(reg, flag) (((reg) & ((uint32_t)flag)) != 0UL)
- /*! @brief usdhc transfer flags */
- enum _usdhc_transfer_flags
- {
- kUSDHC_CommandOnly = 1U, /*!< transfer command only */
- kUSDHC_CommandAndTxData = 2U, /*!< transfer command and transmit data */
- kUSDHC_CommandAndRxData = 4U, /*!< transfer command and receive data */
- kUSDHC_DataWithAutoCmd12 = 8U, /*!< transfer data with auto cmd12 enabled */
- kUSDHC_DataWithAutoCmd23 = 16U, /*!< transfer data with auto cmd23 enabled */
- kUSDHC_BootData = 32U, /*!< transfer boot data */
- kUSDHC_BootDataContinuous = 64U, /*!< transfer boot data continuous */
- };
- #if defined(FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET) && FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET
- #define USDHC_ADDR_CPU_2_DMA(addr) (MEMORY_ConvertMemoryMapAddress((addr), kMEMORY_Local2DMA))
- #else
- #define USDHC_ADDR_CPU_2_DMA(addr) (addr)
- #endif
- /*******************************************************************************
- * Prototypes
- ******************************************************************************/
- /*!
- * @brief Get the instance.
- *
- * @param base USDHC peripheral base address.
- * @return Instance number.
- */
- static uint32_t USDHC_GetInstance(USDHC_Type *base);
- /*!
- * @brief Start transfer according to current transfer state
- *
- * @param base USDHC peripheral base address.
- * @param transferFlags transfer flags, @ref _usdhc_transfer_flags.
- * @param blockSize block size.
- * @param blockCount block count.
- */
- static status_t USDHC_SetTransferConfig(USDHC_Type *base,
- uint32_t transferFlags,
- size_t blockSize,
- uint32_t blockCount);
- /*!
- * @brief Receive command response
- *
- * @param base USDHC peripheral base address.
- * @param command Command to be sent.
- */
- static status_t USDHC_ReceiveCommandResponse(USDHC_Type *base, usdhc_command_t *command);
- /*!
- * @brief Read DATAPORT when buffer enable bit is set.
- *
- * @param base USDHC peripheral base address.
- * @param data Data to be read.
- * @param transferredWords The number of data words have been transferred last time transaction.
- * @return The number of total data words have been transferred after this time transaction.
- */
- static uint32_t USDHC_ReadDataPort(USDHC_Type *base, usdhc_data_t *data, uint32_t transferredWords);
- /*!
- * @brief Read data by using DATAPORT polling way.
- *
- * @param base USDHC peripheral base address.
- * @param data Data to be read.
- * @retval kStatus_Fail Read DATAPORT failed.
- * @retval kStatus_Success Operate successfully.
- */
- static status_t USDHC_ReadByDataPortBlocking(USDHC_Type *base, usdhc_data_t *data);
- /*!
- * @brief Write DATAPORT when buffer enable bit is set.
- *
- * @param base USDHC peripheral base address.
- * @param data Data to be read.
- * @param transferredWords The number of data words have been transferred last time.
- * @return The number of total data words have been transferred after this time transaction.
- */
- static uint32_t USDHC_WriteDataPort(USDHC_Type *base, usdhc_data_t *data, uint32_t transferredWords);
- /*!
- * @brief Write data by using DATAPORT polling way.
- *
- * @param base USDHC peripheral base address.
- * @param data Data to be transferred.
- * @retval kStatus_Fail Write DATAPORT failed.
- * @retval kStatus_Success Operate successfully.
- */
- static status_t USDHC_WriteByDataPortBlocking(USDHC_Type *base, usdhc_data_t *data);
- /*!
- * @brief Transfer data by polling way.
- *
- * @param base USDHC peripheral base address.
- * @param data Data to be transferred.
- * @param use DMA flag.
- * @retval kStatus_Fail Transfer data failed.
- * @retval kStatus_InvalidArgument Argument is invalid.
- * @retval kStatus_Success Operate successfully.
- */
- static status_t USDHC_TransferDataBlocking(USDHC_Type *base, usdhc_data_t *data, bool enDMA);
- /*!
- * @brief wait command done
- *
- * @param base USDHC peripheral base address.
- * @param command configuration
- * @param pollingCmdDone polling command done flag
- */
- static status_t USDHC_WaitCommandDone(USDHC_Type *base, usdhc_command_t *command, bool pollingCmdDone);
- /*!
- * @brief Handle card detect interrupt.
- *
- * @param base USDHC peripheral base address.
- * @param handle USDHC handle.
- * @param interruptFlags Card detect related interrupt flags.
- */
- static void USDHC_TransferHandleCardDetect(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags);
- /*!
- * @brief Handle command interrupt.
- *
- * @param base USDHC peripheral base address.
- * @param handle USDHC handle.
- * @param interruptFlags Command related interrupt flags.
- */
- static void USDHC_TransferHandleCommand(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags);
- /*!
- * @brief Handle data interrupt.
- *
- * @param base USDHC peripheral base address.
- * @param handle USDHC handle.
- * @param interruptFlags Data related interrupt flags.
- */
- static void USDHC_TransferHandleData(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags);
- /*!
- * @brief Handle SDIO card interrupt signal.
- *
- * @param base USDHC peripheral base address.
- * @param handle USDHC handle.
- */
- static void USDHC_TransferHandleSdioInterrupt(USDHC_Type *base, usdhc_handle_t *handle);
- /*!
- * @brief Handle SDIO block gap event.
- *
- * @param base USDHC peripheral base address.
- * @param handle USDHC handle.
- */
- static void USDHC_TransferHandleBlockGap(USDHC_Type *base, usdhc_handle_t *handle);
- #if defined(FSL_FEATURE_USDHC_HAS_SDR50_MODE) && (FSL_FEATURE_USDHC_HAS_SDR50_MODE)
- /*!
- * @brief Handle retuning
- *
- * @param base USDHC peripheral base address.
- * @param handle USDHC handle.
- * @param interrupt flags
- */
- static void USDHC_TransferHandleReTuning(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags);
- #endif
- /*******************************************************************************
- * Variables
- ******************************************************************************/
- /*! @brief USDHC base pointer array */
- static USDHC_Type *const s_usdhcBase[] = USDHC_BASE_PTRS;
- /*! @brief USDHC internal handle pointer array */
- static usdhc_handle_t *s_usdhcHandle[ARRAY_SIZE(s_usdhcBase)] = {0};
- /*! @brief USDHC IRQ name array */
- static const IRQn_Type s_usdhcIRQ[] = USDHC_IRQS;
- #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
- /*! @brief USDHC clock array name */
- static const clock_ip_name_t s_usdhcClock[] = USDHC_CLOCKS;
- #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
- #if (defined(FSL_FEATURE_USDHC_HAS_RESET) && FSL_FEATURE_USDHC_HAS_RESET)
- /*! @brief Pointers to USDHC resets for each instance. */
- static const reset_ip_name_t s_usdhcResets[] = USDHC_RSTS;
- #endif
- /* USDHC ISR for transactional APIs. */
- #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
- static usdhc_isr_t s_usdhcIsr = (usdhc_isr_t)DefaultISR;
- #else
- static usdhc_isr_t s_usdhcIsr;
- #endif
- /*! @brief Dummy data buffer for mmc boot mode */
- AT_NONCACHEABLE_SECTION_ALIGN(static uint32_t s_usdhcBootDummy, USDHC_ADMA2_ADDRESS_ALIGN);
- /*******************************************************************************
- * Code
- ******************************************************************************/
- static uint32_t USDHC_GetInstance(USDHC_Type *base)
- {
- uint8_t instance = 0;
- while ((instance < ARRAY_SIZE(s_usdhcBase)) && (s_usdhcBase[instance] != base))
- {
- instance++;
- }
- assert(instance < ARRAY_SIZE(s_usdhcBase));
- return instance;
- }
- static status_t USDHC_SetTransferConfig(USDHC_Type *base, uint32_t transferFlags, size_t blockSize, uint32_t blockCount)
- {
- uint32_t mixCtrl = base->MIX_CTRL;
- if (((uint32_t)kUSDHC_CommandOnly & transferFlags) != 0U)
- {
- /* clear data flags */
- mixCtrl &= ~(USDHC_MIX_CTRL_MSBSEL_MASK | USDHC_MIX_CTRL_BCEN_MASK | USDHC_MIX_CTRL_DTDSEL_MASK |
- USDHC_MIX_CTRL_AC12EN_MASK | USDHC_MIX_CTRL_AC23EN_MASK);
- if (IS_USDHC_FLAG_SET(base->PRES_STATE, kUSDHC_CommandInhibitFlag))
- {
- return kStatus_USDHC_BusyTransferring;
- }
- }
- else
- {
- /* if transfer boot continous, only need set the CREQ bit, leave others as it is */
- if ((transferFlags & (uint32_t)kUSDHC_BootDataContinuous) != 0U)
- {
- /* clear stop at block gap request */
- base->PROT_CTRL &= ~USDHC_PROT_CTRL_SABGREQ_MASK;
- /* continous transfer data */
- base->PROT_CTRL |= USDHC_PROT_CTRL_CREQ_MASK;
- return kStatus_Success;
- }
- /* check data inhibit flag */
- if (IS_USDHC_FLAG_SET(base->PRES_STATE, kUSDHC_DataInhibitFlag))
- {
- return kStatus_USDHC_BusyTransferring;
- }
- /* check transfer block count */
- if ((blockCount > USDHC_MAX_BLOCK_COUNT))
- {
- return kStatus_InvalidArgument;
- }
- /* config mix parameter */
- mixCtrl &= ~(USDHC_MIX_CTRL_MSBSEL_MASK | USDHC_MIX_CTRL_BCEN_MASK | USDHC_MIX_CTRL_DTDSEL_MASK |
- USDHC_MIX_CTRL_AC12EN_MASK);
- if ((transferFlags & (uint32_t)kUSDHC_CommandAndRxData) != 0U)
- {
- mixCtrl |= USDHC_MIX_CTRL_DTDSEL_MASK;
- }
- if (blockCount > 1U)
- {
- mixCtrl |= USDHC_MIX_CTRL_MSBSEL_MASK | USDHC_MIX_CTRL_BCEN_MASK;
- /* auto command 12 */
- if ((transferFlags & (uint32_t)kUSDHC_DataWithAutoCmd12) != 0U)
- {
- mixCtrl |= USDHC_MIX_CTRL_AC12EN_MASK;
- }
- }
- /* auto command 23, auto send set block count cmd before multiple read/write */
- if ((transferFlags & (uint32_t)kUSDHC_DataWithAutoCmd23) != 0U)
- {
- mixCtrl |= USDHC_MIX_CTRL_AC23EN_MASK;
- base->VEND_SPEC2 |= USDHC_VEND_SPEC2_ACMD23_ARGU2_EN_MASK;
- /* config the block count to DS_ADDR */
- base->DS_ADDR = blockCount;
- }
- else
- {
- mixCtrl &= ~USDHC_MIX_CTRL_AC23EN_MASK;
- base->VEND_SPEC2 &= ~USDHC_VEND_SPEC2_ACMD23_ARGU2_EN_MASK;
- }
- /* if transfer boot data, leave the block count to USDHC_SetMmcBootConfig function */
- if ((transferFlags & (uint32_t)kUSDHC_BootData) == 0U)
- {
- /* config data block size/block count */
- base->BLK_ATT = ((base->BLK_ATT & ~(USDHC_BLK_ATT_BLKSIZE_MASK | USDHC_BLK_ATT_BLKCNT_MASK)) |
- (USDHC_BLK_ATT_BLKSIZE(blockSize) | USDHC_BLK_ATT_BLKCNT(blockCount)));
- }
- else
- {
- mixCtrl |= USDHC_MIX_CTRL_MSBSEL_MASK | USDHC_MIX_CTRL_BCEN_MASK;
- base->PROT_CTRL |= USDHC_PROT_CTRL_RD_DONE_NO_8CLK_MASK;
- }
- }
- /* config the mix parameter */
- base->MIX_CTRL = mixCtrl;
- return kStatus_Success;
- }
- void USDHC_SetDataConfig(USDHC_Type *base,
- usdhc_transfer_direction_t dataDirection,
- uint32_t blockCount,
- uint32_t blockSize)
- {
- assert(blockCount <= USDHC_MAX_BLOCK_COUNT);
- uint32_t mixCtrl = base->MIX_CTRL;
- /* block attribute configuration */
- base->BLK_ATT = ((base->BLK_ATT & ~(USDHC_BLK_ATT_BLKSIZE_MASK | USDHC_BLK_ATT_BLKCNT_MASK)) |
- (USDHC_BLK_ATT_BLKSIZE(blockSize) | USDHC_BLK_ATT_BLKCNT(blockCount)));
- /* config mix parameter */
- mixCtrl &= ~(USDHC_MIX_CTRL_MSBSEL_MASK | USDHC_MIX_CTRL_BCEN_MASK | USDHC_MIX_CTRL_DTDSEL_MASK);
- mixCtrl |= USDHC_MIX_CTRL_DTDSEL(dataDirection) | (blockCount > 1U ? USDHC_MIX_CTRL_MSBSEL_MASK : 0U);
- base->MIX_CTRL = mixCtrl;
- }
- static status_t USDHC_ReceiveCommandResponse(USDHC_Type *base, usdhc_command_t *command)
- {
- assert(command != NULL);
- uint32_t response0 = base->CMD_RSP0;
- uint32_t response1 = base->CMD_RSP1;
- uint32_t response2 = base->CMD_RSP2;
- if (command->responseType != kCARD_ResponseTypeNone)
- {
- command->response[0U] = response0;
- if (command->responseType == kCARD_ResponseTypeR2)
- {
- /* R3-R2-R1-R0(lowest 8 bit is invalid bit) has the same format as R2 format in SD specification document
- after removed internal CRC7 and end bit. */
- command->response[0U] <<= 8U;
- command->response[1U] = (response1 << 8U) | ((response0 & 0xFF000000U) >> 24U);
- command->response[2U] = (response2 << 8U) | ((response1 & 0xFF000000U) >> 24U);
- command->response[3U] = (base->CMD_RSP3 << 8U) | ((response2 & 0xFF000000U) >> 24U);
- }
- }
- /* check response error flag */
- if ((command->responseErrorFlags != 0U) &&
- ((command->responseType == kCARD_ResponseTypeR1) || (command->responseType == kCARD_ResponseTypeR1b) ||
- (command->responseType == kCARD_ResponseTypeR6) || (command->responseType == kCARD_ResponseTypeR5)))
- {
- if (((command->responseErrorFlags) & (command->response[0U])) != 0U)
- {
- return kStatus_USDHC_SendCommandFailed;
- }
- }
- return kStatus_Success;
- }
- static uint32_t USDHC_ReadDataPort(USDHC_Type *base, usdhc_data_t *data, uint32_t transferredWords)
- {
- uint32_t i;
- uint32_t totalWords;
- uint32_t wordsCanBeRead; /* The words can be read at this time. */
- uint32_t readWatermark = ((base->WTMK_LVL & USDHC_WTMK_LVL_RD_WML_MASK) >> USDHC_WTMK_LVL_RD_WML_SHIFT);
- /* If DMA is enable, do not need to polling data port */
- if ((base->MIX_CTRL & USDHC_MIX_CTRL_DMAEN_MASK) == 0U)
- {
- /*
- * Add non aligned access support ,user need make sure your buffer size is big
- * enough to hold the data,in other words,user need make sure the buffer size
- * is 4 byte aligned
- */
- if (data->blockSize % sizeof(uint32_t) != 0U)
- {
- data->blockSize +=
- sizeof(uint32_t) - (data->blockSize % sizeof(uint32_t)); /* make the block size as word-aligned */
- }
- totalWords = ((data->blockCount * data->blockSize) / sizeof(uint32_t));
- /* If watermark level is equal or bigger than totalWords, transfers totalWords data. */
- if (readWatermark >= totalWords)
- {
- wordsCanBeRead = totalWords;
- }
- /* If watermark level is less than totalWords and left words to be sent is equal or bigger than readWatermark,
- transfers watermark level words. */
- else if ((readWatermark < totalWords) && ((totalWords - transferredWords) >= readWatermark))
- {
- wordsCanBeRead = readWatermark;
- }
- /* If watermark level is less than totalWords and left words to be sent is less than readWatermark, transfers
- left
- words. */
- else
- {
- wordsCanBeRead = (totalWords - transferredWords);
- }
- i = 0U;
- while (i < wordsCanBeRead)
- {
- data->rxData[transferredWords++] = USDHC_ReadData(base);
- i++;
- }
- }
- return transferredWords;
- }
- static status_t USDHC_ReadByDataPortBlocking(USDHC_Type *base, usdhc_data_t *data)
- {
- uint32_t totalWords;
- uint32_t transferredWords = 0U, interruptStatus = 0U;
- status_t error = kStatus_Success;
- /*
- * Add non aligned access support ,user need make sure your buffer size is big
- * enough to hold the data,in other words,user need make sure the buffer size
- * is 4 byte aligned
- */
- if (data->blockSize % sizeof(uint32_t) != 0U)
- {
- data->blockSize +=
- sizeof(uint32_t) - (data->blockSize % sizeof(uint32_t)); /* make the block size as word-aligned */
- }
- totalWords = ((data->blockCount * data->blockSize) / sizeof(uint32_t));
- while ((error == kStatus_Success) && (transferredWords < totalWords))
- {
- while (
- !(IS_USDHC_FLAG_SET(interruptStatus, ((uint32_t)kUSDHC_BufferReadReadyFlag |
- (uint32_t)kUSDHC_DataErrorFlag | (uint32_t)kUSDHC_TuningErrorFlag))))
- {
- interruptStatus = USDHC_GetInterruptStatusFlags(base);
- }
- /* during std tuning process, software do not need to read data, but wait BRR is enough */
- if ((data->dataType == (uint32_t)kUSDHC_TransferDataTuning) &&
- (IS_USDHC_FLAG_SET(interruptStatus, kUSDHC_BufferReadReadyFlag)))
- {
- USDHC_ClearInterruptStatusFlags(base, kUSDHC_BufferReadReadyFlag);
- return kStatus_Success;
- }
- #if defined(FSL_FEATURE_USDHC_HAS_SDR50_MODE) && (FSL_FEATURE_USDHC_HAS_SDR50_MODE)
- else if (IS_USDHC_FLAG_SET(interruptStatus, kUSDHC_TuningErrorFlag))
- {
- USDHC_ClearInterruptStatusFlags(base, kUSDHC_TuningErrorFlag);
- /* if tuning error occur ,return directly */
- error = kStatus_USDHC_TuningError;
- }
- #endif
- else if (IS_USDHC_FLAG_SET(interruptStatus, kUSDHC_DataErrorFlag))
- {
- if (!(data->enableIgnoreError))
- {
- error = kStatus_Fail;
- }
- /* clear data error flag */
- USDHC_ClearInterruptStatusFlags(base, kUSDHC_DataErrorFlag);
- }
- else
- {
- /* Intentional empty */
- }
- if (error == kStatus_Success)
- {
- transferredWords = USDHC_ReadDataPort(base, data, transferredWords);
- /* clear buffer read ready */
- USDHC_ClearInterruptStatusFlags(base, kUSDHC_BufferReadReadyFlag);
- interruptStatus = 0U;
- }
- }
- /* Clear data complete flag after the last read operation. */
- USDHC_ClearInterruptStatusFlags(base, kUSDHC_DataCompleteFlag);
- return error;
- }
- static uint32_t USDHC_WriteDataPort(USDHC_Type *base, usdhc_data_t *data, uint32_t transferredWords)
- {
- uint32_t i;
- uint32_t totalWords;
- uint32_t wordsCanBeWrote; /* Words can be wrote at this time. */
- uint32_t writeWatermark = ((base->WTMK_LVL & USDHC_WTMK_LVL_WR_WML_MASK) >> USDHC_WTMK_LVL_WR_WML_SHIFT);
- /* If DMA is enable, do not need to polling data port */
- if ((base->MIX_CTRL & USDHC_MIX_CTRL_DMAEN_MASK) == 0U)
- {
- /*
- * Add non aligned access support ,user need make sure your buffer size is big
- * enough to hold the data,in other words,user need make sure the buffer size
- * is 4 byte aligned
- */
- if (data->blockSize % sizeof(uint32_t) != 0U)
- {
- data->blockSize +=
- sizeof(uint32_t) - (data->blockSize % sizeof(uint32_t)); /* make the block size as word-aligned */
- }
- totalWords = ((data->blockCount * data->blockSize) / sizeof(uint32_t));
- /* If watermark level is equal or bigger than totalWords, transfers totalWords data.*/
- if (writeWatermark >= totalWords)
- {
- wordsCanBeWrote = totalWords;
- }
- /* If watermark level is less than totalWords and left words to be sent is equal or bigger than watermark,
- transfers watermark level words. */
- else if ((writeWatermark < totalWords) && ((totalWords - transferredWords) >= writeWatermark))
- {
- wordsCanBeWrote = writeWatermark;
- }
- /* If watermark level is less than totalWords and left words to be sent is less than watermark, transfers left
- words. */
- else
- {
- wordsCanBeWrote = (totalWords - transferredWords);
- }
- i = 0U;
- while (i < wordsCanBeWrote)
- {
- USDHC_WriteData(base, data->txData[transferredWords++]);
- i++;
- }
- }
- return transferredWords;
- }
- static status_t USDHC_WriteByDataPortBlocking(USDHC_Type *base, usdhc_data_t *data)
- {
- uint32_t totalWords;
- uint32_t transferredWords = 0U, interruptStatus = 0U;
- status_t error = kStatus_Success;
- /*
- * Add non aligned access support ,user need make sure your buffer size is big
- * enough to hold the data,in other words,user need make sure the buffer size
- * is 4 byte aligned
- */
- if (data->blockSize % sizeof(uint32_t) != 0U)
- {
- data->blockSize +=
- sizeof(uint32_t) - (data->blockSize % sizeof(uint32_t)); /* make the block size as word-aligned */
- }
- totalWords = (data->blockCount * data->blockSize) / sizeof(uint32_t);
- while ((error == kStatus_Success) && (transferredWords < totalWords))
- {
- while (!(IS_USDHC_FLAG_SET(interruptStatus, (uint32_t)kUSDHC_BufferWriteReadyFlag |
- (uint32_t)kUSDHC_DataErrorFlag |
- (uint32_t)kUSDHC_TuningErrorFlag)))
- {
- interruptStatus = USDHC_GetInterruptStatusFlags(base);
- }
- #if defined(FSL_FEATURE_USDHC_HAS_SDR50_MODE) && (FSL_FEATURE_USDHC_HAS_SDR50_MODE)
- if (IS_USDHC_FLAG_SET(interruptStatus, kUSDHC_TuningErrorFlag))
- {
- USDHC_ClearInterruptStatusFlags(base, kUSDHC_TuningErrorFlag);
- /* if tuning error occur ,return directly */
- return kStatus_USDHC_TuningError;
- }
- else
- #endif
- if (IS_USDHC_FLAG_SET(interruptStatus, kUSDHC_DataErrorFlag))
- {
- if (!(data->enableIgnoreError))
- {
- error = kStatus_Fail;
- }
- /* clear data error flag */
- USDHC_ClearInterruptStatusFlags(base, kUSDHC_DataErrorFlag);
- }
- else
- {
- /* Intentional empty */
- }
- if (error == kStatus_Success)
- {
- transferredWords = USDHC_WriteDataPort(base, data, transferredWords);
- /* clear buffer write ready */
- USDHC_ClearInterruptStatusFlags(base, kUSDHC_BufferWriteReadyFlag);
- interruptStatus = 0U;
- }
- }
- /* Wait write data complete or data transfer error after the last writing operation. */
- while (!(IS_USDHC_FLAG_SET(interruptStatus, (uint32_t)kUSDHC_DataCompleteFlag | (uint32_t)kUSDHC_DataErrorFlag)))
- {
- interruptStatus = USDHC_GetInterruptStatusFlags(base);
- }
- if ((interruptStatus & (uint32_t)kUSDHC_DataErrorFlag) != 0UL)
- {
- if (!(data->enableIgnoreError))
- {
- error = kStatus_Fail;
- }
- }
- USDHC_ClearInterruptStatusFlags(base, ((uint32_t)kUSDHC_DataCompleteFlag | (uint32_t)kUSDHC_DataErrorFlag));
- return error;
- }
- /*!
- * brief send command function
- *
- * param base USDHC peripheral base address.
- * param command configuration
- */
- void USDHC_SendCommand(USDHC_Type *base, usdhc_command_t *command)
- {
- assert(NULL != command);
- uint32_t xferType = base->CMD_XFR_TYP, flags = command->flags;
- if (((base->PRES_STATE & (uint32_t)kUSDHC_CommandInhibitFlag) == 0U) && (command->type != kCARD_CommandTypeEmpty))
- {
- if ((command->responseType == kCARD_ResponseTypeR1) || (command->responseType == kCARD_ResponseTypeR5) ||
- (command->responseType == kCARD_ResponseTypeR6) || (command->responseType == kCARD_ResponseTypeR7))
- {
- flags |= ((uint32_t)kUSDHC_ResponseLength48Flag | (uint32_t)kUSDHC_EnableCrcCheckFlag |
- (uint32_t)kUSDHC_EnableIndexCheckFlag);
- }
- else if ((command->responseType == kCARD_ResponseTypeR1b) || (command->responseType == kCARD_ResponseTypeR5b))
- {
- flags |= ((uint32_t)kUSDHC_ResponseLength48BusyFlag | (uint32_t)kUSDHC_EnableCrcCheckFlag |
- (uint32_t)kUSDHC_EnableIndexCheckFlag);
- }
- else if (command->responseType == kCARD_ResponseTypeR2)
- {
- flags |= ((uint32_t)kUSDHC_ResponseLength136Flag | (uint32_t)kUSDHC_EnableCrcCheckFlag);
- }
- else if ((command->responseType == kCARD_ResponseTypeR3) || (command->responseType == kCARD_ResponseTypeR4))
- {
- flags |= ((uint32_t)kUSDHC_ResponseLength48Flag);
- }
- else
- {
- /* Intentional empty */
- }
- if (command->type == kCARD_CommandTypeAbort)
- {
- flags |= (uint32_t)kUSDHC_CommandTypeAbortFlag;
- }
- /* config cmd index */
- xferType &= ~(USDHC_CMD_XFR_TYP_CMDINX_MASK | USDHC_CMD_XFR_TYP_CMDTYP_MASK | USDHC_CMD_XFR_TYP_CICEN_MASK |
- USDHC_CMD_XFR_TYP_CCCEN_MASK | USDHC_CMD_XFR_TYP_RSPTYP_MASK | USDHC_CMD_XFR_TYP_DPSEL_MASK);
- xferType |=
- (((command->index << USDHC_CMD_XFR_TYP_CMDINX_SHIFT) & USDHC_CMD_XFR_TYP_CMDINX_MASK) |
- ((flags) & (USDHC_CMD_XFR_TYP_CMDTYP_MASK | USDHC_CMD_XFR_TYP_CICEN_MASK | USDHC_CMD_XFR_TYP_CCCEN_MASK |
- USDHC_CMD_XFR_TYP_RSPTYP_MASK | USDHC_CMD_XFR_TYP_DPSEL_MASK)));
- /* config the command xfertype and argument */
- base->CMD_ARG = command->argument;
- base->CMD_XFR_TYP = xferType;
- }
- if (command->type == kCARD_CommandTypeEmpty)
- {
- /* disable CMD done interrupt for empty command */
- base->INT_SIGNAL_EN &= ~USDHC_INT_SIGNAL_EN_CCIEN_MASK;
- }
- }
- static status_t USDHC_WaitCommandDone(USDHC_Type *base, usdhc_command_t *command, bool pollingCmdDone)
- {
- assert(NULL != command);
- status_t error = kStatus_Success;
- uint32_t interruptStatus = 0U;
- /* check if need polling command done or not */
- if (pollingCmdDone)
- {
- /* Wait command complete or USDHC encounters error. */
- while (!(IS_USDHC_FLAG_SET(interruptStatus, kUSDHC_CommandFlag)))
- {
- interruptStatus = USDHC_GetInterruptStatusFlags(base);
- }
- if ((interruptStatus & (uint32_t)kUSDHC_CommandErrorFlag) != 0UL)
- {
- error = kStatus_Fail;
- }
- /* Receive response when command completes successfully. */
- if (error == kStatus_Success)
- {
- error = USDHC_ReceiveCommandResponse(base, command);
- }
- USDHC_ClearInterruptStatusFlags(base, kUSDHC_CommandFlag);
- }
- return error;
- }
- static status_t USDHC_TransferDataBlocking(USDHC_Type *base, usdhc_data_t *data, bool enDMA)
- {
- status_t error = kStatus_Success;
- uint32_t interruptStatus = 0U;
- if (enDMA)
- {
- /* Wait data complete or USDHC encounters error. */
- while (!(IS_USDHC_FLAG_SET(interruptStatus, ((uint32_t)kUSDHC_DataDMAFlag | (uint32_t)kUSDHC_TuningErrorFlag))))
- {
- interruptStatus = USDHC_GetInterruptStatusFlags(base);
- }
- #if defined(FSL_FEATURE_USDHC_HAS_SDR50_MODE) && (FSL_FEATURE_USDHC_HAS_SDR50_MODE)
- if (IS_USDHC_FLAG_SET(interruptStatus, kUSDHC_TuningErrorFlag))
- {
- error = kStatus_USDHC_TuningError;
- }
- else
- #endif
- if (IS_USDHC_FLAG_SET(interruptStatus, ((uint32_t)kUSDHC_DataErrorFlag | (uint32_t)kUSDHC_DmaErrorFlag)))
- {
- if ((!(data->enableIgnoreError)) || (IS_USDHC_FLAG_SET(interruptStatus, kUSDHC_DataTimeoutFlag)))
- {
- error = kStatus_USDHC_TransferDataFailed;
- }
- }
- else
- {
- /* Intentional empty */
- }
- /* load dummy data */
- if ((data->dataType == (uint32_t)kUSDHC_TransferDataBootcontinous) && (error == kStatus_Success))
- {
- *(data->rxData) = s_usdhcBootDummy;
- }
- USDHC_ClearInterruptStatusFlags(base, ((uint32_t)kUSDHC_DataDMAFlag | (uint32_t)kUSDHC_TuningErrorFlag));
- }
- else
- {
- if (data->rxData != NULL)
- {
- error = USDHC_ReadByDataPortBlocking(base, data);
- if (error != kStatus_Success)
- {
- return error;
- }
- }
- else
- {
- error = USDHC_WriteByDataPortBlocking(base, data);
- if (error != kStatus_Success)
- {
- return error;
- }
- }
- }
- return error;
- }
- /*!
- * brief USDHC module initialization function.
- *
- * Configures the USDHC according to the user configuration.
- *
- * Example:
- code
- usdhc_config_t config;
- config.cardDetectDat3 = false;
- config.endianMode = kUSDHC_EndianModeLittle;
- config.dmaMode = kUSDHC_DmaModeAdma2;
- config.readWatermarkLevel = 128U;
- config.writeWatermarkLevel = 128U;
- USDHC_Init(USDHC, &config);
- endcode
- *
- * param base USDHC peripheral base address.
- * param config USDHC configuration information.
- * retval kStatus_Success Operate successfully.
- */
- void USDHC_Init(USDHC_Type *base, const usdhc_config_t *config)
- {
- assert(config != NULL);
- assert((config->writeWatermarkLevel >= 1U) && (config->writeWatermarkLevel <= 128U));
- assert((config->readWatermarkLevel >= 1U) && (config->readWatermarkLevel <= 128U));
- #if !(defined(FSL_FEATURE_USDHC_HAS_NO_RW_BURST_LEN) && FSL_FEATURE_USDHC_HAS_NO_RW_BURST_LEN)
- assert(config->writeBurstLen <= 16U);
- #endif
- uint32_t proctl, sysctl, wml;
- #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
- /* Enable USDHC clock. */
- CLOCK_EnableClock(s_usdhcClock[USDHC_GetInstance(base)]);
- #endif
- #if (defined(FSL_FEATURE_USDHC_HAS_RESET) && FSL_FEATURE_USDHC_HAS_RESET)
- /* Reset the USDHC module */
- RESET_PeripheralReset(s_usdhcResets[USDHC_GetInstance(base)]);
- #endif
- /* Reset ALL USDHC. */
- base->SYS_CTRL |= USDHC_SYS_CTRL_RSTA_MASK | USDHC_SYS_CTRL_RSTC_MASK | USDHC_SYS_CTRL_RSTD_MASK;
- proctl = base->PROT_CTRL;
- wml = base->WTMK_LVL;
- sysctl = base->SYS_CTRL;
- proctl &= ~(USDHC_PROT_CTRL_EMODE_MASK | USDHC_PROT_CTRL_DMASEL_MASK);
- /* Endian mode*/
- proctl |= USDHC_PROT_CTRL_EMODE(config->endianMode);
- #if (defined(FSL_FEATURE_USDHC_HAS_NO_RW_BURST_LEN) && FSL_FEATURE_USDHC_HAS_NO_RW_BURST_LEN)
- /* Watermark level */
- wml &= ~(USDHC_WTMK_LVL_RD_WML_MASK | USDHC_WTMK_LVL_WR_WML_MASK);
- wml |= (USDHC_WTMK_LVL_RD_WML(config->readWatermarkLevel) | USDHC_WTMK_LVL_WR_WML(config->writeWatermarkLevel));
- #else
- /* Watermark level */
- wml &= ~(USDHC_WTMK_LVL_RD_WML_MASK | USDHC_WTMK_LVL_WR_WML_MASK | USDHC_WTMK_LVL_RD_BRST_LEN_MASK |
- USDHC_WTMK_LVL_WR_BRST_LEN_MASK);
- wml |= (USDHC_WTMK_LVL_RD_WML(config->readWatermarkLevel) | USDHC_WTMK_LVL_WR_WML(config->writeWatermarkLevel) |
- USDHC_WTMK_LVL_RD_BRST_LEN(config->readBurstLen) | USDHC_WTMK_LVL_WR_BRST_LEN(config->writeBurstLen));
- #endif
- /* config the data timeout value */
- sysctl &= ~USDHC_SYS_CTRL_DTOCV_MASK;
- sysctl |= USDHC_SYS_CTRL_DTOCV(config->dataTimeout);
- base->SYS_CTRL = sysctl;
- base->WTMK_LVL = wml;
- base->PROT_CTRL = proctl;
- #if FSL_FEATURE_USDHC_HAS_EXT_DMA
- /* disable external DMA */
- base->VEND_SPEC &= ~USDHC_VEND_SPEC_EXT_DMA_EN_MASK;
- #endif
- /* disable internal DMA and DDR mode */
- base->MIX_CTRL &= ~(USDHC_MIX_CTRL_DMAEN_MASK | USDHC_MIX_CTRL_DDR_EN_MASK);
- /* disable interrupt, enable all the interrupt status, clear status. */
- base->INT_STATUS_EN = kUSDHC_AllInterruptFlags;
- base->INT_SIGNAL_EN = 0UL;
- base->INT_STATUS = kUSDHC_AllInterruptFlags;
- }
- /*!
- * brief Deinitializes the USDHC.
- *
- * param base USDHC peripheral base address.
- */
- void USDHC_Deinit(USDHC_Type *base)
- {
- #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
- /* Disable clock. */
- CLOCK_DisableClock(s_usdhcClock[USDHC_GetInstance(base)]);
- #endif
- }
- /*!
- * brief Resets the USDHC.
- *
- * param base USDHC peripheral base address.
- * param mask The reset type mask(_usdhc_reset).
- * param timeout Timeout for reset.
- * retval true Reset successfully.
- * retval false Reset failed.
- */
- bool USDHC_Reset(USDHC_Type *base, uint32_t mask, uint32_t timeout)
- {
- base->SYS_CTRL |= (mask & (USDHC_SYS_CTRL_RSTA_MASK | USDHC_SYS_CTRL_RSTC_MASK | USDHC_SYS_CTRL_RSTD_MASK
- #if defined(FSL_FEATURE_USDHC_HAS_SDR50_MODE) && (FSL_FEATURE_USDHC_HAS_SDR50_MODE)
- | USDHC_SYS_CTRL_RSTT_MASK
- #endif
- ));
- /* Delay some time to wait reset success. */
- while (IS_USDHC_FLAG_SET(base->SYS_CTRL, mask))
- {
- if (timeout == 0UL)
- {
- break;
- }
- timeout--;
- }
- return ((0UL == timeout) ? false : true);
- }
- /*!
- * brief Gets the capability information.
- *
- * param base USDHC peripheral base address.
- * param capability Structure to save capability information.
- */
- void USDHC_GetCapability(USDHC_Type *base, usdhc_capability_t *capability)
- {
- assert(capability != NULL);
- uint32_t htCapability;
- uint32_t maxBlockLength;
- htCapability = base->HOST_CTRL_CAP;
- /* Get the capability of USDHC. */
- maxBlockLength = ((htCapability & USDHC_HOST_CTRL_CAP_MBL_MASK) >> USDHC_HOST_CTRL_CAP_MBL_SHIFT);
- capability->maxBlockLength = (512UL << maxBlockLength);
- /* Other attributes not in HTCAPBLT register. */
- capability->maxBlockCount = USDHC_MAX_BLOCK_COUNT;
- capability->flags =
- (htCapability & (USDHC_HOST_CTRL_CAP_ADMAS_MASK | USDHC_HOST_CTRL_CAP_HSS_MASK | USDHC_HOST_CTRL_CAP_DMAS_MASK |
- USDHC_HOST_CTRL_CAP_SRS_MASK | USDHC_HOST_CTRL_CAP_VS33_MASK));
- capability->flags |= htCapability & USDHC_HOST_CTRL_CAP_VS30_MASK;
- capability->flags |= htCapability & USDHC_HOST_CTRL_CAP_VS18_MASK;
- capability->flags |= htCapability & USDHC_HOST_CTRL_CAP_DDR50_SUPPORT_MASK;
- #if defined(FSL_FEATURE_USDHC_HAS_SDR104_MODE) && FSL_FEATURE_USDHC_HAS_SDR104_MODE
- capability->flags |= USDHC_HOST_CTRL_CAP_SDR104_SUPPORT_MASK;
- #endif
- #if defined(FSL_FEATURE_USDHC_HAS_SDR104_MODE) && FSL_FEATURE_USDHC_HAS_SDR50_MODE
- capability->flags |= USDHC_HOST_CTRL_CAP_SDR50_SUPPORT_MASK;
- #endif
- /* USDHC support 4/8 bit data bus width. */
- capability->flags |= (USDHC_HOST_CTRL_CAP_MBL_SHIFT << 0UL) | (USDHC_HOST_CTRL_CAP_MBL_SHIFT << 1UL);
- }
- /*!
- * brief Sets the SD bus clock frequency.
- *
- * param base USDHC peripheral base address.
- * param srcClock_Hz USDHC source clock frequency united in Hz.
- * param busClock_Hz SD bus clock frequency united in Hz.
- *
- * return The nearest frequency of busClock_Hz configured to SD bus.
- */
- uint32_t USDHC_SetSdClock(USDHC_Type *base, uint32_t srcClock_Hz, uint32_t busClock_Hz)
- {
- assert(srcClock_Hz != 0U);
- assert(busClock_Hz != 0U);
- uint32_t totalDiv = 0UL;
- uint32_t divisor = 0UL;
- uint32_t prescaler = 0UL;
- uint32_t sysctl = 0UL;
- uint32_t nearestFrequency = 0UL;
- if (busClock_Hz > srcClock_Hz)
- {
- busClock_Hz = srcClock_Hz;
- }
- totalDiv = srcClock_Hz / busClock_Hz;
- /* calucate total divisor first */
- if (totalDiv > (USDHC_MAX_CLKFS * USDHC_MAX_DVS))
- {
- return 0UL;
- }
- if (totalDiv != 0UL)
- {
- /* calucate the divisor (srcClock_Hz / divisor) <= busClock_Hz */
- if ((srcClock_Hz / totalDiv) > busClock_Hz)
- {
- totalDiv++;
- }
- /* divide the total divisor to div and prescaler */
- if (totalDiv > USDHC_MAX_DVS)
- {
- prescaler = totalDiv / USDHC_MAX_DVS;
- /* prescaler must be a value which equal 2^n and smaller than SDHC_MAX_CLKFS */
- while (((USDHC_MAX_CLKFS % prescaler) != 0UL) || (prescaler == 1UL))
- {
- prescaler++;
- }
- /* calucate the divisor */
- divisor = totalDiv / prescaler;
- /* fine tuning the divisor until divisor * prescaler >= totalDiv */
- while ((divisor * prescaler) < totalDiv)
- {
- divisor++;
- if (divisor > USDHC_MAX_DVS)
- {
- prescaler <<= 1UL;
- if (prescaler > USDHC_MAX_CLKFS)
- {
- return 0UL;
- }
- divisor = totalDiv / prescaler;
- }
- }
- }
- else
- {
- /* in this situation , divsior and SDCLKFS can generate same clock
- use SDCLKFS*/
- if (((totalDiv % 2UL) != 0UL) && (totalDiv != 1UL))
- {
- divisor = totalDiv;
- prescaler = 1UL;
- }
- else
- {
- divisor = 1UL;
- prescaler = totalDiv;
- }
- }
- nearestFrequency = srcClock_Hz / (divisor == 0UL ? 1UL : divisor) / prescaler;
- }
- /* in this condition , srcClock_Hz = busClock_Hz, */
- else
- {
- /* in DDR mode , set SDCLKFS to 0, divisor = 0, actually the
- totoal divider = 2U */
- divisor = 0UL;
- prescaler = 0UL;
- nearestFrequency = srcClock_Hz;
- }
- /* calucate the value write to register */
- if (divisor != 0UL)
- {
- USDHC_PREV_DVS(divisor);
- }
- /* calucate the value write to register */
- if (prescaler != 0UL)
- {
- USDHC_PREV_CLKFS(prescaler, 1UL);
- }
- /* Set the SD clock frequency divisor, SD clock frequency select, data timeout counter value. */
- sysctl = base->SYS_CTRL;
- sysctl &= ~(USDHC_SYS_CTRL_DVS_MASK | USDHC_SYS_CTRL_SDCLKFS_MASK);
- sysctl |= (USDHC_SYS_CTRL_DVS(divisor) | USDHC_SYS_CTRL_SDCLKFS(prescaler));
- base->SYS_CTRL = sysctl;
- /* Wait until the SD clock is stable. */
- while (!IS_USDHC_FLAG_SET(base->PRES_STATE, USDHC_PRES_STATE_SDSTB_MASK))
- {
- }
- return nearestFrequency;
- }
- /*!
- * brief Sends 80 clocks to the card to set it to the active state.
- *
- * This function must be called each time the card is inserted to ensure that the card can receive the command
- * correctly.
- *
- * param base USDHC peripheral base address.
- * param timeout Timeout to initialize card.
- * retval true Set card active successfully.
- * retval false Set card active failed.
- */
- bool USDHC_SetCardActive(USDHC_Type *base, uint32_t timeout)
- {
- base->SYS_CTRL |= USDHC_SYS_CTRL_INITA_MASK;
- /* Delay some time to wait card become active state. */
- while (IS_USDHC_FLAG_SET(base->SYS_CTRL, USDHC_SYS_CTRL_INITA_MASK))
- {
- if (0UL == timeout)
- {
- break;
- }
- timeout--;
- }
- return ((0UL == timeout) ? false : true);
- }
- /*!
- * brief the enable/disable DDR mode
- *
- * param base USDHC peripheral base address.
- * param enable/disable flag
- * param nibble position
- */
- void USDHC_EnableDDRMode(USDHC_Type *base, bool enable, uint32_t nibblePos)
- {
- uint32_t prescaler = (base->SYS_CTRL & USDHC_SYS_CTRL_SDCLKFS_MASK) >> USDHC_SYS_CTRL_SDCLKFS_SHIFT;
- if (enable)
- {
- base->MIX_CTRL &= ~USDHC_MIX_CTRL_NIBBLE_POS_MASK;
- base->MIX_CTRL |= (USDHC_MIX_CTRL_DDR_EN_MASK | USDHC_MIX_CTRL_NIBBLE_POS(nibblePos));
- prescaler >>= 1UL;
- }
- else
- {
- base->MIX_CTRL &= ~USDHC_MIX_CTRL_DDR_EN_MASK;
- if (prescaler == 0UL)
- {
- prescaler += 1UL;
- }
- else
- {
- prescaler <<= 1UL;
- }
- }
- base->SYS_CTRL = (base->SYS_CTRL & (~USDHC_SYS_CTRL_SDCLKFS_MASK)) | USDHC_SYS_CTRL_SDCLKFS(prescaler);
- }
- /*!
- * brief Configures the MMC boot feature.
- *
- * Example:
- code
- usdhc_boot_config_t config;
- config.ackTimeoutCount = 4;
- config.bootMode = kUSDHC_BootModeNormal;
- config.blockCount = 5;
- config.enableBootAck = true;
- config.enableBoot = true;
- config.enableAutoStopAtBlockGap = true;
- USDHC_SetMmcBootConfig(USDHC, &config);
- endcode
- *
- * param base USDHC peripheral base address.
- * param config The MMC boot configuration information.
- */
- void USDHC_SetMmcBootConfig(USDHC_Type *base, const usdhc_boot_config_t *config)
- {
- assert(config != NULL);
- assert(config->ackTimeoutCount <= (USDHC_MMC_BOOT_DTOCV_ACK_MASK >> USDHC_MMC_BOOT_DTOCV_ACK_SHIFT));
- assert(config->blockCount <= (USDHC_MMC_BOOT_BOOT_BLK_CNT_MASK >> USDHC_MMC_BOOT_BOOT_BLK_CNT_SHIFT));
- uint32_t mmcboot = base->MMC_BOOT;
- mmcboot &= ~(USDHC_MMC_BOOT_DTOCV_ACK_MASK | USDHC_MMC_BOOT_BOOT_MODE_MASK | USDHC_MMC_BOOT_BOOT_BLK_CNT_MASK);
- mmcboot |= USDHC_MMC_BOOT_DTOCV_ACK(config->ackTimeoutCount) | USDHC_MMC_BOOT_BOOT_MODE(config->bootMode);
- if (config->enableBootAck)
- {
- mmcboot |= USDHC_MMC_BOOT_BOOT_ACK_MASK;
- }
- if (config->enableAutoStopAtBlockGap)
- {
- mmcboot |=
- USDHC_MMC_BOOT_AUTO_SABG_EN_MASK | USDHC_MMC_BOOT_BOOT_BLK_CNT(USDHC_MAX_BLOCK_COUNT - config->blockCount);
- /* always set the block count to USDHC_MAX_BLOCK_COUNT to use auto stop at block gap feature */
- base->BLK_ATT = ((base->BLK_ATT & ~(USDHC_BLK_ATT_BLKSIZE_MASK | USDHC_BLK_ATT_BLKCNT_MASK)) |
- (USDHC_BLK_ATT_BLKSIZE(config->blockSize) | USDHC_BLK_ATT_BLKCNT(USDHC_MAX_BLOCK_COUNT)));
- }
- else
- {
- base->BLK_ATT = ((base->BLK_ATT & ~(USDHC_BLK_ATT_BLKSIZE_MASK | USDHC_BLK_ATT_BLKCNT_MASK)) |
- (USDHC_BLK_ATT_BLKSIZE(config->blockSize) | USDHC_BLK_ATT_BLKCNT(config->blockCount)));
- }
- base->MMC_BOOT = mmcboot;
- }
- /*!
- * brief Sets the ADMA1 descriptor table configuration.
- *
- * param admaTable Adma table address.
- * param admaTableWords Adma table length.
- * param dataBufferAddr Data buffer address.
- * param dataBytes Data length.
- * param flags ADAM descriptor flag, used to indicate to create multiple or single descriptor, please
- * reference _usdhc_adma_flag.
- * retval kStatus_OutOfRange ADMA descriptor table length isn't enough to describe data.
- * retval kStatus_Success Operate successfully.
- */
- status_t USDHC_SetADMA1Descriptor(
- uint32_t *admaTable, uint32_t admaTableWords, const uint32_t *dataBufferAddr, uint32_t dataBytes, uint32_t flags)
- {
- assert(NULL != admaTable);
- assert(NULL != dataBufferAddr);
- uint32_t miniEntries, startEntries = 0UL,
- maxEntries = (admaTableWords * sizeof(uint32_t)) / sizeof(usdhc_adma1_descriptor_t);
- usdhc_adma1_descriptor_t *adma1EntryAddress = (usdhc_adma1_descriptor_t *)(uint32_t)(admaTable);
- uint32_t i, dmaBufferLen = 0UL;
- const uint32_t *data = dataBufferAddr;
- if (((uint32_t)data % USDHC_ADMA1_ADDRESS_ALIGN) != 0UL)
- {
- return kStatus_USDHC_DMADataAddrNotAlign;
- }
- if (flags == (uint32_t)kUSDHC_AdmaDescriptorMultipleFlag)
- {
- return kStatus_USDHC_NotSupport;
- }
- /*
- * Add non aligned access support ,user need make sure your buffer size is big
- * enough to hold the data,in other words,user need make sure the buffer size
- * is 4 byte aligned
- */
- if (dataBytes % sizeof(uint32_t) != 0UL)
- {
- /* make the data length as word-aligned */
- dataBytes += sizeof(uint32_t) - (dataBytes % sizeof(uint32_t));
- }
- /* Check if ADMA descriptor's number is enough. */
- if ((dataBytes % USDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY) == 0UL)
- {
- miniEntries = dataBytes / USDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY;
- }
- else
- {
- miniEntries = ((dataBytes / USDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY) + 1UL);
- }
- /* ADMA1 needs two descriptors to finish a transfer */
- miniEntries <<= 1UL;
- if (miniEntries + startEntries > maxEntries)
- {
- return kStatus_OutOfRange;
- }
- for (i = startEntries; i < (miniEntries + startEntries); i += 2UL)
- {
- if (dataBytes > USDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY)
- {
- dmaBufferLen = USDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY;
- }
- else
- {
- dmaBufferLen = dataBytes;
- }
- adma1EntryAddress[i] = (dmaBufferLen << USDHC_ADMA1_DESCRIPTOR_LENGTH_SHIFT);
- adma1EntryAddress[i] |= (uint32_t)kUSDHC_Adma1DescriptorTypeSetLength;
- adma1EntryAddress[i + 1UL] = (uint32_t)(data);
- adma1EntryAddress[i + 1UL] |=
- (uint32_t)kUSDHC_Adma1DescriptorTypeTransfer | (uint32_t)kUSDHC_Adma1DescriptorInterrupFlag;
- data = (uint32_t *)((uint32_t)data + dmaBufferLen);
- dataBytes -= dmaBufferLen;
- }
- /* the end of the descriptor */
- adma1EntryAddress[i - 1UL] |= (uint32_t)kUSDHC_Adma1DescriptorEndFlag;
- return kStatus_Success;
- }
- /*!
- * brief Sets the ADMA2 descriptor table configuration.
- *
- * param admaTable Adma table address.
- * param admaTableWords Adma table length.
- * param dataBufferAddr Data buffer address.
- * param dataBytes Data Data length.
- * param flags ADAM descriptor flag, used to indicate to create multiple or single descriptor, please
- * reference _usdhc_adma_flag.
- * retval kStatus_OutOfRange ADMA descriptor table length isn't enough to describe data.
- * retval kStatus_Success Operate successfully.
- */
- status_t USDHC_SetADMA2Descriptor(
- uint32_t *admaTable, uint32_t admaTableWords, const uint32_t *dataBufferAddr, uint32_t dataBytes, uint32_t flags)
- {
- assert(NULL != admaTable);
- assert(NULL != dataBufferAddr);
- uint32_t miniEntries, startEntries = 0UL,
- maxEntries = (admaTableWords * sizeof(uint32_t)) / sizeof(usdhc_adma2_descriptor_t);
- usdhc_adma2_descriptor_t *adma2EntryAddress = (usdhc_adma2_descriptor_t *)(uint32_t)(admaTable);
- uint32_t i, dmaBufferLen = 0UL;
- const uint32_t *data = dataBufferAddr;
- if (((uint32_t)data % USDHC_ADMA2_ADDRESS_ALIGN) != 0UL)
- {
- return kStatus_USDHC_DMADataAddrNotAlign;
- }
- /*
- * Add non aligned access support ,user need make sure your buffer size is big
- * enough to hold the data,in other words,user need make sure the buffer size
- * is 4 byte aligned
- */
- if (dataBytes % sizeof(uint32_t) != 0UL)
- {
- /* make the data length as word-aligned */
- dataBytes += sizeof(uint32_t) - (dataBytes % sizeof(uint32_t));
- }
- /* Check if ADMA descriptor's number is enough. */
- if ((dataBytes % USDHC_ADMA2_DESCRIPTOR_MAX_LENGTH_PER_ENTRY) == 0UL)
- {
- miniEntries = dataBytes / USDHC_ADMA2_DESCRIPTOR_MAX_LENGTH_PER_ENTRY;
- }
- else
- {
- miniEntries = ((dataBytes / USDHC_ADMA2_DESCRIPTOR_MAX_LENGTH_PER_ENTRY) + 1UL);
- }
- /* calucate the start entry for multiple descriptor mode, ADMA engine is not stop, so update the descriptor
- data adress and data size is enough */
- if (flags == (uint32_t)kUSDHC_AdmaDescriptorMultipleFlag)
- {
- for (i = 0UL; i < maxEntries; i++)
- {
- if ((adma2EntryAddress[i].attribute & (uint32_t)kUSDHC_Adma2DescriptorValidFlag) == 0UL)
- {
- break;
- }
- }
- startEntries = i;
- /* add one entry for dummy entry */
- miniEntries += 1UL;
- }
- if ((miniEntries + startEntries) > maxEntries)
- {
- return kStatus_OutOfRange;
- }
- for (i = startEntries; i < (miniEntries + startEntries); i++)
- {
- if (dataBytes > USDHC_ADMA2_DESCRIPTOR_MAX_LENGTH_PER_ENTRY)
- {
- dmaBufferLen = USDHC_ADMA2_DESCRIPTOR_MAX_LENGTH_PER_ENTRY;
- }
- else
- {
- dmaBufferLen = (dataBytes == 0UL ? sizeof(uint32_t) :
- dataBytes); /* adma don't support 0 data length transfer descriptor */
- }
- /* Each descriptor for ADMA2 is 64-bit in length */
- adma2EntryAddress[i].address = (dataBytes == 0UL) ? &s_usdhcBootDummy : data;
- adma2EntryAddress[i].attribute = (dmaBufferLen << USDHC_ADMA2_DESCRIPTOR_LENGTH_SHIFT);
- adma2EntryAddress[i].attribute |=
- (dataBytes == 0UL) ?
- 0UL :
- ((uint32_t)kUSDHC_Adma2DescriptorTypeTransfer | (uint32_t)kUSDHC_Adma2DescriptorInterruptFlag);
- data = (uint32_t *)((uint32_t)data + dmaBufferLen);
- if (dataBytes != 0UL)
- {
- dataBytes -= dmaBufferLen;
- }
- }
- /* add a dummy valid ADMA descriptor for multiple descriptor mode, this is useful when transfer boot data, the ADMA
- engine
- will not stop at block gap */
- if (flags == (uint32_t)kUSDHC_AdmaDescriptorMultipleFlag)
- {
- adma2EntryAddress[startEntries + 1UL].attribute |= (uint32_t)kUSDHC_Adma2DescriptorTypeTransfer;
- }
- else
- {
- /* set the end bit */
- adma2EntryAddress[i - 1UL].attribute |= (uint32_t)kUSDHC_Adma2DescriptorEndFlag;
- }
- return kStatus_Success;
- }
- /*!
- * brief Internal DMA configuration.
- * This function is used to config the USDHC DMA related registers.
- * param base USDHC peripheral base address.
- * param adma configuration
- * param dataAddr transfer data address, a simple DMA parameter, if ADMA is used, leave it to NULL.
- * param enAutoCmd23 flag to indicate Auto CMD23 is enable or not, a simple DMA parameter,if ADMA is used, leave it to
- * false.
- * retval kStatus_OutOfRange ADMA descriptor table length isn't enough to describe data.
- * retval kStatus_Success Operate successfully.
- */
- status_t USDHC_SetInternalDmaConfig(USDHC_Type *base,
- usdhc_adma_config_t *dmaConfig,
- const uint32_t *dataAddr,
- bool enAutoCmd23)
- {
- assert(dmaConfig != NULL);
- assert(dataAddr != NULL);
- assert((NULL != dmaConfig->admaTable) &&
- (((USDHC_ADMA_TABLE_ADDRESS_ALIGN - 1U) & (uint32_t)dmaConfig->admaTable) == 0UL));
- #if FSL_FEATURE_USDHC_HAS_EXT_DMA
- /* disable the external DMA if support */
- base->VEND_SPEC &= ~USDHC_VEND_SPEC_EXT_DMA_EN_MASK;
- #endif
- if (dmaConfig->dmaMode == kUSDHC_DmaModeSimple)
- {
- /* check DMA data buffer address align or not */
- if (((uint32_t)dataAddr % USDHC_ADMA2_ADDRESS_ALIGN) != 0UL)
- {
- return kStatus_USDHC_DMADataAddrNotAlign;
- }
- /* in simple DMA mode if use auto CMD23, address should load to ADMA addr,
- and block count should load to DS_ADDR*/
- if (enAutoCmd23)
- {
- base->ADMA_SYS_ADDR = USDHC_ADDR_CPU_2_DMA((uint32_t)dataAddr);
- }
- else
- {
- base->DS_ADDR = USDHC_ADDR_CPU_2_DMA((uint32_t)dataAddr);
- }
- }
- else
- {
- /* When use ADMA, disable simple DMA */
- base->DS_ADDR = 0UL;
- base->ADMA_SYS_ADDR = USDHC_ADDR_CPU_2_DMA((uint32_t)(dmaConfig->admaTable));
- }
- #if (defined(FSL_FEATURE_USDHC_HAS_NO_RW_BURST_LEN) && FSL_FEATURE_USDHC_HAS_NO_RW_BURST_LEN)
- /* select DMA mode and config the burst length */
- base->PROT_CTRL &= ~(USDHC_PROT_CTRL_DMASEL_MASK);
- base->PROT_CTRL |= USDHC_PROT_CTRL_DMASEL(dmaConfig->dmaMode);
- #else
- /* select DMA mode and config the burst length */
- base->PROT_CTRL &= ~(USDHC_PROT_CTRL_DMASEL_MASK | USDHC_PROT_CTRL_BURST_LEN_EN_MASK);
- base->PROT_CTRL |= USDHC_PROT_CTRL_DMASEL(dmaConfig->dmaMode) | USDHC_PROT_CTRL_BURST_LEN_EN(dmaConfig->burstLen);
- #endif
- /* enable DMA */
- base->MIX_CTRL |= USDHC_MIX_CTRL_DMAEN_MASK;
- return kStatus_Success;
- }
- /*!
- * brief Sets the DMA descriptor table configuration.
- * A high level DMA descriptor configuration function.
- * param base USDHC peripheral base address.
- * param adma configuration
- * param data Data descriptor
- * param flags ADAM descriptor flag, used to indicate to create multiple or single descriptor, please
- * reference _usdhc_adma_flag
- * retval kStatus_OutOfRange ADMA descriptor table length isn't enough to describe data.
- * retval kStatus_Success Operate successfully.
- */
- status_t USDHC_SetAdmaTableConfig(USDHC_Type *base,
- usdhc_adma_config_t *dmaConfig,
- usdhc_data_t *dataConfig,
- uint32_t flags)
- {
- assert(NULL != dmaConfig);
- assert((NULL != dmaConfig->admaTable) &&
- (((USDHC_ADMA_TABLE_ADDRESS_ALIGN - 1U) & (uint32_t)dmaConfig->admaTable) == 0UL));
- assert(NULL != dataConfig);
- status_t error = kStatus_Fail;
- uint32_t bootDummyOffset =
- dataConfig->dataType == (uint32_t)kUSDHC_TransferDataBootcontinous ? sizeof(uint32_t) : 0UL;
- const uint32_t *data = (const uint32_t *)USDHC_ADDR_CPU_2_DMA((uint32_t)(
- (uint32_t)((dataConfig->rxData == NULL) ? dataConfig->txData : dataConfig->rxData) + bootDummyOffset));
- uint32_t blockSize = dataConfig->blockSize * dataConfig->blockCount - bootDummyOffset;
- #if FSL_FEATURE_USDHC_HAS_EXT_DMA
- if (dmaConfig->dmaMode == kUSDHC_ExternalDMA)
- {
- /* enable the external DMA */
- base->VEND_SPEC |= USDHC_VEND_SPEC_EXT_DMA_EN_MASK;
- }
- else
- #endif
- if (dmaConfig->dmaMode == kUSDHC_DmaModeSimple)
- {
- error = kStatus_Success;
- }
- else if (dmaConfig->dmaMode == kUSDHC_DmaModeAdma1)
- {
- error = USDHC_SetADMA1Descriptor(dmaConfig->admaTable, dmaConfig->admaTableWords, data, blockSize, flags);
- }
- /* ADMA2 */
- else
- {
- error = USDHC_SetADMA2Descriptor(dmaConfig->admaTable, dmaConfig->admaTableWords, data, blockSize, flags);
- }
- /* for internal dma, internal DMA configurations should not update the configurations when continous transfer the
- * boot data, only the DMA descriptor need update */
- if ((dmaConfig->dmaMode != kUSDHC_ExternalDMA) && (error == kStatus_Success) &&
- (dataConfig->dataType != (uint32_t)kUSDHC_TransferDataBootcontinous))
- {
- error = USDHC_SetInternalDmaConfig(base, dmaConfig, data, dataConfig->enableAutoCommand23);
- }
- return error;
- }
- /*!
- * brief Transfers the command/data using a blocking method.
- *
- * This function waits until the command response/data is received or the USDHC encounters an error by polling the
- * status
- * flag.
- * The application must not call this API in multiple threads at the same time. Because of that this API doesn't support
- * the re-entry mechanism.
- *
- * note There is no need to call the API 'USDHC_TransferCreateHandle' when calling this API.
- *
- * param base USDHC peripheral base address.
- * param adma configuration
- * param transfer Transfer content.
- * retval kStatus_InvalidArgument Argument is invalid.
- * retval kStatus_USDHC_PrepareAdmaDescriptorFailed Prepare ADMA descriptor failed.
- * retval kStatus_USDHC_SendCommandFailed Send command failed.
- * retval kStatus_USDHC_TransferDataFailed Transfer data failed.
- * retval kStatus_Success Operate successfully.
- */
- status_t USDHC_TransferBlocking(USDHC_Type *base, usdhc_adma_config_t *dmaConfig, usdhc_transfer_t *transfer)
- {
- assert(transfer != NULL);
- status_t error = kStatus_Fail;
- usdhc_command_t *command = transfer->command;
- usdhc_data_t *data = transfer->data;
- bool enDMA = true;
- bool executeTuning = ((data == NULL) ? false : data->dataType == (uint32_t)kUSDHC_TransferDataTuning);
- uint32_t transferFlags = (uint32_t)kUSDHC_CommandOnly;
- size_t blockSize = 0U;
- size_t blockCount = 0U;
- #if defined(FSL_FEATURE_USDHC_HAS_SDR50_MODE) && (FSL_FEATURE_USDHC_HAS_SDR50_MODE)
- /*check re-tuning request*/
- if ((USDHC_GetInterruptStatusFlags(base) & (uint32_t)kUSDHC_ReTuningEventFlag) != 0UL)
- {
- USDHC_ClearInterruptStatusFlags(base, kUSDHC_ReTuningEventFlag);
- return kStatus_USDHC_ReTuningRequest;
- }
- #endif
- if (data != NULL)
- {
- /* Update ADMA descriptor table according to different DMA mode(no DMA, ADMA1, ADMA2).*/
- if ((dmaConfig != NULL) && (!executeTuning))
- {
- error = USDHC_SetAdmaTableConfig(base, dmaConfig, data,
- (uint32_t)(IS_USDHC_FLAG_SET(data->dataType, kUSDHC_TransferDataBoot) ?
- kUSDHC_AdmaDescriptorMultipleFlag :
- kUSDHC_AdmaDescriptorSingleFlag));
- }
- blockSize = data->blockSize;
- blockCount = data->blockCount;
- transferFlags = data->enableAutoCommand12 ? (uint32_t)kUSDHC_DataWithAutoCmd12 : 0U;
- transferFlags |= data->enableAutoCommand23 ? (uint32_t)kUSDHC_DataWithAutoCmd23 : 0U;
- transferFlags |= data->txData != NULL ? (uint32_t)kUSDHC_CommandAndTxData : (uint32_t)kUSDHC_CommandAndRxData;
- transferFlags |= data->dataType == (uint8_t)kUSDHC_TransferDataBoot ? (uint32_t)kUSDHC_BootData : 0U;
- transferFlags |=
- data->dataType == (uint8_t)kUSDHC_TransferDataBootcontinous ? (uint32_t)kUSDHC_BootDataContinuous : 0U;
- command->flags |= (uint32_t)kUSDHC_DataPresentFlag;
- }
- /* if the DMA desciptor configure fail or not needed , disable it */
- if (error != kStatus_Success)
- {
- enDMA = false;
- /* disable DMA, using polling mode in this situation */
- USDHC_EnableInternalDMA(base, false);
- }
- #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
- else
- {
- if (data->txData != NULL)
- {
- /* clear the DCACHE */
- DCACHE_CleanByRange((uint32_t)data->txData, (data->blockSize) * (data->blockCount));
- }
- else
- {
- /* clear the DCACHE */
- DCACHE_CleanInvalidateByRange((uint32_t)data->rxData, (data->blockSize) * (data->blockCount));
- }
- }
- #endif
- /* config the data transfer parameter */
- error = USDHC_SetTransferConfig(base, transferFlags, blockSize, blockCount);
- if (error != kStatus_Success)
- {
- return error;
- }
- /* send command first */
- USDHC_SendCommand(base, command);
- /* wait command done */
- error =
- USDHC_WaitCommandDone(base, command, (data == NULL) || (data->dataType == (uint32_t)kUSDHC_TransferDataNormal));
- if (kStatus_Success != error)
- {
- return kStatus_USDHC_SendCommandFailed;
- }
- /* wait transfer data finsih */
- if (data != NULL)
- {
- error = USDHC_TransferDataBlocking(base, data, enDMA);
- if (kStatus_Success != error)
- {
- return error;
- }
- }
- return kStatus_Success;
- }
- #if (defined FSL_USDHC_ENABLE_SCATTER_GATHER_TRANSFER) && FSL_USDHC_ENABLE_SCATTER_GATHER_TRANSFER
- static status_t USDHC_SetScatterGatherAdmaTableConfig(USDHC_Type *base,
- usdhc_adma_config_t *dmaConfig,
- usdhc_scatter_gather_data_t *dataConfig,
- uint32_t *totalTransferSize)
- {
- assert(NULL != dmaConfig);
- assert((NULL != dmaConfig->admaTable) &&
- (((USDHC_ADMA_TABLE_ADDRESS_ALIGN - 1U) & (uint32_t)dmaConfig->admaTable) == 0UL));
- assert(NULL != dataConfig);
- status_t error = kStatus_Fail;
- uint32_t *admaDesBuffer = dmaConfig->admaTable;
- uint32_t admaDesLen = dmaConfig->admaTableWords;
- usdhc_scatter_gather_data_list_t *sgDataList = &dataConfig->sgData;
- uint32_t oneDescriptorMaxTransferSize = dmaConfig->dmaMode == kUSDHC_DmaModeAdma1 ?
- USDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY :
- USDHC_ADMA2_DESCRIPTOR_MAX_LENGTH_PER_ENTRY;
- uint32_t miniEntries = 0U;
- while (sgDataList != NULL)
- {
- if (dmaConfig->dmaMode == kUSDHC_DmaModeAdma1)
- {
- error = USDHC_SetADMA1Descriptor(admaDesBuffer, admaDesLen, sgDataList->dataAddr, sgDataList->dataSize, 0U);
- }
- /* ADMA2 */
- else
- {
- error = USDHC_SetADMA2Descriptor(admaDesBuffer, admaDesLen, sgDataList->dataAddr, sgDataList->dataSize, 0U);
- }
- if (error != kStatus_Success)
- {
- return kStatus_USDHC_PrepareAdmaDescriptorFailed;
- }
- #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
- if (dataConfig->dataDirection == kUSDHC_TransferDirectionSend)
- {
- /* clear the DCACHE */
- DCACHE_CleanByRange((uint32_t)sgDataList->dataAddr, sgDataList->dataSize);
- }
- else
- {
- /* clear the DCACHE */
- DCACHE_CleanInvalidateByRange((uint32_t)sgDataList->dataAddr, sgDataList->dataSize);
- }
- #endif
- *totalTransferSize += sgDataList->dataSize;
- if (sgDataList->dataList != NULL)
- {
- if ((sgDataList->dataSize % oneDescriptorMaxTransferSize) == 0UL)
- {
- miniEntries = sgDataList->dataSize / oneDescriptorMaxTransferSize;
- }
- else
- {
- miniEntries = ((sgDataList->dataSize / oneDescriptorMaxTransferSize) + 1UL);
- }
- if (dmaConfig->dmaMode == kUSDHC_DmaModeAdma1)
- {
- admaDesBuffer[miniEntries * 2U - 1U] &= ~kUSDHC_Adma1DescriptorEndFlag;
- }
- else
- {
- admaDesBuffer[miniEntries * 2U - 2U] &= ~kUSDHC_Adma2DescriptorEndFlag;
- }
- admaDesBuffer += miniEntries * 2U;
- admaDesLen -= miniEntries * 2U;
- }
- sgDataList = sgDataList->dataList;
- }
- base->DS_ADDR = 0UL;
- base->ADMA_SYS_ADDR = (uint32_t)(dmaConfig->admaTable);
- /* select DMA mode and config the burst length */
- base->PROT_CTRL &= ~(USDHC_PROT_CTRL_DMASEL_MASK);
- base->PROT_CTRL |= USDHC_PROT_CTRL_DMASEL(dmaConfig->dmaMode);
- /* enable DMA */
- base->MIX_CTRL |= USDHC_MIX_CTRL_DMAEN_MASK;
- return error;
- }
- /*!
- * brief Transfers the command/scatter gather data using an interrupt and an asynchronous method.
- *
- * This function sends a command and data and returns immediately. It doesn't wait for the transfer to complete or
- * to encounter an error. The application must not call this API in multiple threads at the same time. Because of that
- * this API doesn't support the re-entry mechanism.
- * This function is target for the application would like to have scatter gather buffer to be transferred within one
- * read/write request, non scatter gather buffer is support by this function also.
- *
- * note Call API @ref USDHC_TransferCreateHandle when calling this API.
- *
- * param base USDHC peripheral base address.
- * param handle USDHC handle.
- * param dmaConfig adma configurations, must be not NULL, since the function is target for ADMA only.
- * param transfer scatter gather transfer content.
- *
- * retval #kStatus_InvalidArgument Argument is invalid.
- * retval #kStatus_USDHC_BusyTransferring Busy transferring.
- * retval #kStatus_USDHC_PrepareAdmaDescriptorFailed Prepare ADMA descriptor failed.
- * retval #kStatus_Success Operate successfully.
- */
- status_t USDHC_TransferScatterGatherADMANonBlocking(USDHC_Type *base,
- usdhc_handle_t *handle,
- usdhc_adma_config_t *dmaConfig,
- usdhc_scatter_gather_transfer_t *transfer)
- {
- assert(handle != NULL);
- assert(transfer != NULL);
- assert(dmaConfig != NULL);
- status_t error = kStatus_Fail;
- usdhc_command_t *command = transfer->command;
- uint32_t totalTransferSize = 0U;
- uint32_t transferFlags = kUSDHC_CommandOnly;
- size_t blockSize = 0U;
- size_t blockCount = 0U;
- usdhc_scatter_gather_data_t *scatterGatherData = transfer->data;
- bool enDMA = false;
- /* check data inhibit flag */
- if (IS_USDHC_FLAG_SET(base->PRES_STATE, kUSDHC_CommandInhibitFlag))
- {
- return kStatus_USDHC_BusyTransferring;
- }
- handle->command = command;
- handle->data = scatterGatherData;
- /* transferredWords will only be updated in ISR when transfer way is DATAPORT. */
- handle->transferredWords = 0UL;
- /* Update ADMA descriptor table according to different DMA mode(ADMA1, ADMA2).*/
- if (scatterGatherData != NULL)
- {
- if (scatterGatherData->sgData.dataAddr == NULL)
- {
- return kStatus_InvalidArgument;
- }
- if (scatterGatherData->dataType != (uint32_t)kUSDHC_TransferDataTuning)
- {
- if (USDHC_SetScatterGatherAdmaTableConfig(base, dmaConfig, transfer->data, &totalTransferSize) !=
- kStatus_Success)
- {
- return kStatus_USDHC_PrepareAdmaDescriptorFailed;
- }
- enDMA = true;
- }
- blockSize = scatterGatherData->blockSize;
- blockCount = totalTransferSize / scatterGatherData->blockSize;
- transferFlags = scatterGatherData->enableAutoCommand12 ? kUSDHC_DataWithAutoCmd12 : 0U;
- transferFlags |= scatterGatherData->enableAutoCommand23 ? kUSDHC_DataWithAutoCmd23 : 0U;
- transferFlags |= scatterGatherData->dataDirection == kUSDHC_TransferDirectionSend ? kUSDHC_CommandAndTxData :
- kUSDHC_CommandAndRxData;
- command->flags |= kUSDHC_DataPresentFlag;
- }
- error = USDHC_SetTransferConfig(base, transferFlags, blockSize, blockCount);
- if (error != kStatus_Success)
- {
- return error;
- }
- /* enable interrupt per transfer request */
- if (scatterGatherData != NULL)
- {
- USDHC_ClearInterruptStatusFlags(
- base, (uint32_t)(enDMA == false ? kUSDHC_DataFlag : kUSDHC_DataDMAFlag | kUSDHC_DmaCompleteFlag) |
- (uint32_t)kUSDHC_CommandFlag);
- USDHC_EnableInterruptSignal(
- base, (uint32_t)(enDMA == false ? kUSDHC_DataFlag : kUSDHC_DataDMAFlag | kUSDHC_DmaCompleteFlag) |
- (uint32_t)kUSDHC_CommandFlag);
- }
- else
- {
- USDHC_ClearInterruptStatusFlags(base, kUSDHC_CommandFlag);
- USDHC_EnableInterruptSignal(base, kUSDHC_CommandFlag);
- }
- /* send command first */
- USDHC_SendCommand(base, command);
- return kStatus_Success;
- }
- #else
- /*!
- * brief Transfers the command/data using an interrupt and an asynchronous method.
- *
- * This function sends a command and data and returns immediately. It doesn't wait the transfer complete or encounter an
- * error.
- * The application must not call this API in multiple threads at the same time. Because of that this API doesn't support
- * the re-entry mechanism.
- *
- * note Call the API 'USDHC_TransferCreateHandle' when calling this API.
- *
- * param base USDHC peripheral base address.
- * param handle USDHC handle.
- * param adma configuration.
- * param transfer Transfer content.
- * retval kStatus_InvalidArgument Argument is invalid.
- * retval kStatus_USDHC_BusyTransferring Busy transferring.
- * retval kStatus_USDHC_PrepareAdmaDescriptorFailed Prepare ADMA descriptor failed.
- * retval kStatus_Success Operate successfully.
- */
- status_t USDHC_TransferNonBlocking(USDHC_Type *base,
- usdhc_handle_t *handle,
- usdhc_adma_config_t *dmaConfig,
- usdhc_transfer_t *transfer)
- {
- assert(handle != NULL);
- assert(transfer != NULL);
- status_t error = kStatus_Fail;
- usdhc_command_t *command = transfer->command;
- usdhc_data_t *data = transfer->data;
- bool executeTuning = ((data == NULL) ? false : data->dataType == (uint32_t)kUSDHC_TransferDataTuning);
- bool enDMA = true;
- uint32_t transferFlags = (uint32_t)kUSDHC_CommandOnly;
- size_t blockSize = 0U;
- size_t blockCount = 0U;
- #if defined(FSL_FEATURE_USDHC_HAS_SDR50_MODE) && (FSL_FEATURE_USDHC_HAS_SDR50_MODE)
- /*check re-tuning request*/
- if ((USDHC_GetInterruptStatusFlags(base) & ((uint32_t)kUSDHC_ReTuningEventFlag)) != 0UL)
- {
- USDHC_ClearInterruptStatusFlags(base, kUSDHC_ReTuningEventFlag);
- return kStatus_USDHC_ReTuningRequest;
- }
- #endif
- /* Save command and data into handle before transferring. */
- handle->command = command;
- handle->data = data;
- /* transferredWords will only be updated in ISR when transfer way is DATAPORT. */
- handle->transferredWords = 0UL;
- if (data != NULL)
- {
- /* Update ADMA descriptor table according to different DMA mode(no DMA, ADMA1, ADMA2).*/
- if ((dmaConfig != NULL) && (!executeTuning))
- {
- error = USDHC_SetAdmaTableConfig(
- base, dmaConfig, data,
- (uint32_t)(IS_USDHC_FLAG_SET(data->dataType, (uint32_t)kUSDHC_TransferDataBoot) ?
- kUSDHC_AdmaDescriptorMultipleFlag :
- kUSDHC_AdmaDescriptorSingleFlag));
- }
- blockSize = data->blockSize;
- blockCount = data->blockCount;
- transferFlags = data->enableAutoCommand12 ? (uint32_t)kUSDHC_DataWithAutoCmd12 : 0U;
- transferFlags |= data->enableAutoCommand23 ? (uint32_t)kUSDHC_DataWithAutoCmd23 : 0U;
- transferFlags |= data->txData != NULL ? (uint32_t)kUSDHC_CommandAndTxData : (uint32_t)kUSDHC_CommandAndRxData;
- transferFlags |= data->dataType == (uint8_t)kUSDHC_TransferDataBoot ? (uint32_t)kUSDHC_BootData : 0U;
- transferFlags |=
- data->dataType == (uint8_t)kUSDHC_TransferDataBootcontinous ? (uint32_t)kUSDHC_BootDataContinuous : 0U;
- command->flags |= (uint32_t)kUSDHC_DataPresentFlag;
- }
- /* if the DMA desciptor configure fail or not needed , disable it */
- if (error != kStatus_Success)
- {
- /* disable DMA, using polling mode in this situation */
- USDHC_EnableInternalDMA(base, false);
- enDMA = false;
- }
- #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
- else
- {
- if (data->txData != NULL)
- {
- /* clear the DCACHE */
- DCACHE_CleanByRange((uint32_t)data->txData, (data->blockSize) * (data->blockCount));
- }
- else
- {
- /* clear the DCACHE */
- DCACHE_CleanInvalidateByRange((uint32_t)data->rxData, (data->blockSize) * (data->blockCount));
- }
- }
- #endif
- /* config the data transfer parameter */
- error = USDHC_SetTransferConfig(base, transferFlags, blockSize, blockCount);
- if (error != kStatus_Success)
- {
- return error;
- }
- /* enable interrupt per transfer request */
- if (handle->data != NULL)
- {
- USDHC_ClearInterruptStatusFlags(
- base, (uint32_t)(enDMA == false ? kUSDHC_DataFlag : kUSDHC_DataDMAFlag) | (uint32_t)kUSDHC_CommandFlag |
- (uint32_t)(data->dataType == (uint8_t)kUSDHC_TransferDataBootcontinous ?
- (uint32_t)kUSDHC_DmaCompleteFlag :
- 0U));
- USDHC_EnableInterruptSignal(base, (uint32_t)(enDMA == false ? kUSDHC_DataFlag : kUSDHC_DataDMAFlag) |
- (uint32_t)kUSDHC_CommandFlag |
- (uint32_t)(data->dataType == (uint8_t)kUSDHC_TransferDataBootcontinous ?
- (uint32_t)kUSDHC_DmaCompleteFlag :
- 0U));
- }
- else
- {
- USDHC_ClearInterruptStatusFlags(base, kUSDHC_CommandFlag);
- USDHC_EnableInterruptSignal(base, kUSDHC_CommandFlag);
- }
- /* send command first */
- USDHC_SendCommand(base, command);
- return kStatus_Success;
- }
- #endif
- #if defined(FSL_FEATURE_USDHC_HAS_SDR50_MODE) && (FSL_FEATURE_USDHC_HAS_SDR50_MODE)
- /*!
- * brief manual tuning trigger or abort
- * User should handle the tuning cmd and find the boundary of the delay
- * then calucate a average value which will be config to the CLK_TUNE_CTRL_STATUS
- * This function should called before USDHC_AdjustDelayforSDR104 function
- * param base USDHC peripheral base address.
- * param tuning enable flag
- */
- void USDHC_EnableManualTuning(USDHC_Type *base, bool enable)
- {
- if (enable)
- {
- /* make sure std_tun_en bit is clear */
- base->TUNING_CTRL &= ~USDHC_TUNING_CTRL_STD_TUNING_EN_MASK;
- /* disable auto tuning here */
- base->MIX_CTRL &= ~USDHC_MIX_CTRL_AUTO_TUNE_EN_MASK;
- /* execute tuning for SDR104 mode */
- base->MIX_CTRL |= USDHC_MIX_CTRL_EXE_TUNE_MASK | USDHC_MIX_CTRL_SMP_CLK_SEL_MASK;
- }
- else
- { /* abort the tuning */
- base->MIX_CTRL &= ~USDHC_MIX_CTRL_EXE_TUNE_MASK;
- }
- }
- /*!
- * brief the SDR104 mode delay setting adjust
- * This function should called after USDHC_ManualTuningForSDR104
- * param base USDHC peripheral base address.
- * param delay setting configuration
- * retval kStatus_Fail config the delay setting fail
- * retval kStatus_Success config the delay setting success
- */
- status_t USDHC_AdjustDelayForManualTuning(USDHC_Type *base, uint32_t delay)
- {
- uint32_t clkTuneCtrl = 0UL;
- clkTuneCtrl = base->CLK_TUNE_CTRL_STATUS;
- clkTuneCtrl &= ~USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_PRE_MASK;
- clkTuneCtrl |= USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_PRE(delay);
- /* load the delay setting */
- base->CLK_TUNE_CTRL_STATUS = clkTuneCtrl;
- /* check delat setting error */
- if (IS_USDHC_FLAG_SET(base->CLK_TUNE_CTRL_STATUS,
- USDHC_CLK_TUNE_CTRL_STATUS_PRE_ERR_MASK | USDHC_CLK_TUNE_CTRL_STATUS_NXT_ERR_MASK))
- {
- return kStatus_Fail;
- }
- return kStatus_Success;
- }
- /*!
- * brief The tuning delay cell setting.
- *
- * param base USDHC peripheral base address.
- * param preDelay Set the number of delay cells on the feedback clock between the feedback clock and CLK_PRE.
- * param outDelay Set the number of delay cells on the feedback clock between CLK_PRE and CLK_OUT.
- * param postDelay Set the number of delay cells on the feedback clock between CLK_OUT and CLK_POST.
- * retval kStatus_Fail config the delay setting fail
- * retval kStatus_Success config the delay setting success
- */
- status_t USDHC_SetTuningDelay(USDHC_Type *base, uint32_t preDelay, uint32_t outDelay, uint32_t postDelay)
- {
- assert(preDelay <=
- (USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_PRE_MASK >> USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_PRE_SHIFT));
- assert(outDelay <=
- (USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_OUT_MASK >> USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_OUT_SHIFT));
- assert(postDelay <=
- (USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_POST_MASK >> USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_POST_SHIFT));
- uint32_t clkTuneCtrl = 0UL;
- clkTuneCtrl = base->CLK_TUNE_CTRL_STATUS;
- clkTuneCtrl &=
- ~(USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_PRE_MASK | USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_OUT_MASK |
- USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_POST_MASK);
- clkTuneCtrl |= USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_PRE(preDelay) |
- USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_OUT(outDelay) |
- USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_POST(postDelay);
- /* load the delay setting */
- base->CLK_TUNE_CTRL_STATUS = clkTuneCtrl;
- /* check delat setting error */
- if (IS_USDHC_FLAG_SET(base->CLK_TUNE_CTRL_STATUS,
- USDHC_CLK_TUNE_CTRL_STATUS_PRE_ERR_MASK | USDHC_CLK_TUNE_CTRL_STATUS_NXT_ERR_MASK))
- {
- return kStatus_Fail;
- }
- return kStatus_Success;
- }
- /*!
- * brief the enable standard tuning function
- * The standard tuning window and tuning counter use the default config
- * tuning cmd is send by the software, user need to check the tuning result
- * can be used for SDR50,SDR104,HS200 mode tuning
- * param base USDHC peripheral base address.
- * param tuning start tap
- * param tuning step
- * param enable/disable flag
- */
- void USDHC_EnableStandardTuning(USDHC_Type *base, uint32_t tuningStartTap, uint32_t step, bool enable)
- {
- uint32_t tuningCtrl = 0UL;
- if (enable)
- {
- /* feedback clock */
- base->MIX_CTRL |= USDHC_MIX_CTRL_FBCLK_SEL_MASK;
- /* config tuning start and step */
- tuningCtrl = base->TUNING_CTRL;
- tuningCtrl &= ~(USDHC_TUNING_CTRL_TUNING_START_TAP_MASK | USDHC_TUNING_CTRL_TUNING_STEP_MASK);
- tuningCtrl |= (USDHC_TUNING_CTRL_TUNING_START_TAP(tuningStartTap) | USDHC_TUNING_CTRL_TUNING_STEP(step) |
- USDHC_TUNING_CTRL_STD_TUNING_EN_MASK);
- base->TUNING_CTRL = tuningCtrl;
- /* excute tuning */
- base->AUTOCMD12_ERR_STATUS |=
- (USDHC_AUTOCMD12_ERR_STATUS_EXECUTE_TUNING_MASK | USDHC_AUTOCMD12_ERR_STATUS_SMP_CLK_SEL_MASK);
- }
- else
- {
- /* disable the standard tuning */
- base->TUNING_CTRL &= ~USDHC_TUNING_CTRL_STD_TUNING_EN_MASK;
- /* clear excute tuning */
- base->AUTOCMD12_ERR_STATUS &=
- ~(USDHC_AUTOCMD12_ERR_STATUS_EXECUTE_TUNING_MASK | USDHC_AUTOCMD12_ERR_STATUS_SMP_CLK_SEL_MASK);
- }
- }
- #if FSL_FEATURE_USDHC_HAS_HS400_MODE
- /*!
- * brief config the strobe DLL delay target and update interval
- *
- * param base USDHC peripheral base address.
- * param delayTarget delay target
- * param updateInterval update interval
- */
- void USDHC_ConfigStrobeDLL(USDHC_Type *base, uint32_t delayTarget, uint32_t updateInterval)
- {
- assert(delayTarget <= (USDHC_STROBE_DLL_CTRL_STROBE_DLL_CTRL_SLV_DLY_TARGET_MASK >>
- USDHC_STROBE_DLL_CTRL_STROBE_DLL_CTRL_SLV_DLY_TARGET_SHIFT));
- /* reset strobe dll firstly */
- base->STROBE_DLL_CTRL |= USDHC_STROBE_DLL_CTRL_STROBE_DLL_CTRL_RESET_MASK;
- /* clear reset and other register fields */
- base->STROBE_DLL_CTRL = 0;
- /* configure the DELAY target and update interval */
- base->STROBE_DLL_CTRL |= USDHC_STROBE_DLL_CTRL_STROBE_DLL_CTRL_ENABLE_MASK |
- USDHC_STROBE_DLL_CTRL_STROBE_DLL_CTRL_SLV_UPDATE_INT(updateInterval) |
- USDHC_STROBE_DLL_CTRL_STROBE_DLL_CTRL_SLV_DLY_TARGET(delayTarget);
- while (
- (USDHC_GetStrobeDLLStatus(base) & (USDHC_STROBE_DLL_STATUS_STROBE_DLL_STS_SLV_LOCK_MASK |
- USDHC_STROBE_DLL_STATUS_STROBE_DLL_STS_REF_LOCK_MASK)) !=
- ((USDHC_STROBE_DLL_STATUS_STROBE_DLL_STS_SLV_LOCK_MASK | USDHC_STROBE_DLL_STATUS_STROBE_DLL_STS_REF_LOCK_MASK)))
- {
- }
- }
- #endif
- /*!
- * brief the auto tuning enbale for CMD/DATA line
- *
- * param base USDHC peripheral base address.
- */
- void USDHC_EnableAutoTuningForCmdAndData(USDHC_Type *base)
- {
- uint32_t busWidth = (base->PROT_CTRL & USDHC_PROT_CTRL_DTW_MASK) >> USDHC_PROT_CTRL_DTW_SHIFT;
- base->VEND_SPEC2 |= USDHC_VEND_SPEC2_TUNING_CMD_EN_MASK;
- /* 1bit data width */
- if (busWidth == 0UL)
- {
- base->VEND_SPEC2 &= ~USDHC_VEND_SPEC2_TUNING_8bit_EN_MASK;
- base->VEND_SPEC2 |= USDHC_VEND_SPEC2_TUNING_1bit_EN_MASK;
- }
- /* 4bit data width */
- else if (busWidth == 1UL)
- {
- base->VEND_SPEC2 &= ~USDHC_VEND_SPEC2_TUNING_8bit_EN_MASK;
- base->VEND_SPEC2 &= ~USDHC_VEND_SPEC2_TUNING_1bit_EN_MASK;
- }
- /* 8bit data width */
- else
- {
- base->VEND_SPEC2 |= USDHC_VEND_SPEC2_TUNING_8bit_EN_MASK;
- base->VEND_SPEC2 &= ~USDHC_VEND_SPEC2_TUNING_1bit_EN_MASK;
- }
- }
- #endif /* FSL_FEATURE_USDHC_HAS_SDR50_MODE */
- static void USDHC_TransferHandleCardDetect(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags)
- {
- if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_CardInsertionFlag))
- {
- if (handle->callback.CardInserted != NULL)
- {
- handle->callback.CardInserted(base, handle->userData);
- }
- }
- else
- {
- if (handle->callback.CardRemoved != NULL)
- {
- handle->callback.CardRemoved(base, handle->userData);
- }
- }
- }
- static void USDHC_TransferHandleCommand(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags)
- {
- assert(handle->command != NULL);
- if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_CommandErrorFlag))
- {
- if (handle->callback.TransferComplete != NULL)
- {
- handle->callback.TransferComplete(base, handle, kStatus_USDHC_SendCommandFailed, handle->userData);
- }
- }
- else
- {
- /* Receive response */
- if (kStatus_Success != USDHC_ReceiveCommandResponse(base, handle->command))
- {
- if (handle->callback.TransferComplete != NULL)
- {
- handle->callback.TransferComplete(base, handle, kStatus_USDHC_SendCommandFailed, handle->userData);
- }
- }
- else
- {
- if (handle->callback.TransferComplete != NULL)
- {
- handle->callback.TransferComplete(base, handle, kStatus_USDHC_SendCommandSuccess, handle->userData);
- }
- }
- }
- /* disable interrupt signal and reset command pointer */
- USDHC_DisableInterruptSignal(base, kUSDHC_CommandFlag);
- handle->command = NULL;
- }
- #if (defined FSL_USDHC_ENABLE_SCATTER_GATHER_TRANSFER) && FSL_USDHC_ENABLE_SCATTER_GATHER_TRANSFER
- static void USDHC_TransferHandleData(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags)
- {
- assert(handle->data != NULL);
- status_t transferStatus = kStatus_USDHC_BusyTransferring;
- if ((!(handle->data->enableIgnoreError)) &&
- (IS_USDHC_FLAG_SET(interruptFlags, (uint32_t)kUSDHC_DataErrorFlag | (uint32_t)kUSDHC_DmaErrorFlag)))
- {
- transferStatus = kStatus_USDHC_TransferDataFailed;
- }
- else
- {
- if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_BufferReadReadyFlag))
- {
- /* std tuning process only need to wait BRR */
- if (handle->data->dataType == (uint32_t)kUSDHC_TransferDataTuning)
- {
- transferStatus = kStatus_USDHC_TransferDataComplete;
- }
- }
- else
- {
- if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_DmaCompleteFlag))
- {
- transferStatus = kStatus_USDHC_TransferDMAComplete;
- }
- if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_DataCompleteFlag))
- {
- transferStatus = kStatus_USDHC_TransferDataComplete;
- #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
- if (handle->data->dataDirection == kUSDHC_TransferDirectionReceive)
- {
- usdhc_scatter_gather_data_list_t *sgDataList = &handle->data->sgData;
- while (sgDataList != NULL)
- {
- DCACHE_InvalidateByRange((uint32_t)sgDataList->dataAddr, sgDataList->dataSize);
- sgDataList = sgDataList->dataList;
- }
- }
- #endif
- }
- }
- }
- if ((handle->callback.TransferComplete != NULL) && (transferStatus != kStatus_USDHC_BusyTransferring))
- {
- handle->callback.TransferComplete(base, handle, transferStatus, handle->userData);
- USDHC_DisableInterruptSignal(
- base, (uint32_t)kUSDHC_DataFlag | (uint32_t)kUSDHC_DataDMAFlag | (uint32_t)kUSDHC_DmaCompleteFlag);
- handle->data = NULL;
- }
- }
- #else
- static void USDHC_TransferHandleData(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags)
- {
- assert(handle->data != NULL);
- status_t transferStatus = kStatus_USDHC_BusyTransferring;
- uint32_t transferredWords = handle->transferredWords;
- if ((!(handle->data->enableIgnoreError)) &&
- (IS_USDHC_FLAG_SET(interruptFlags, (uint32_t)kUSDHC_DataErrorFlag | (uint32_t)kUSDHC_DmaErrorFlag)))
- {
- transferStatus = kStatus_USDHC_TransferDataFailed;
- }
- else
- {
- if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_BufferReadReadyFlag))
- {
- /* std tuning process only need to wait BRR */
- if (handle->data->dataType == (uint32_t)kUSDHC_TransferDataTuning)
- {
- transferStatus = kStatus_USDHC_TransferDataComplete;
- }
- else
- {
- handle->transferredWords = USDHC_ReadDataPort(base, handle->data, transferredWords);
- }
- }
- else if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_BufferWriteReadyFlag))
- {
- handle->transferredWords = USDHC_WriteDataPort(base, handle->data, transferredWords);
- }
- else
- {
- if ((IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_DmaCompleteFlag)) &&
- (handle->data->dataType == (uint32_t)kUSDHC_TransferDataBootcontinous))
- {
- *(handle->data->rxData) = s_usdhcBootDummy;
- }
- if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_DataCompleteFlag))
- {
- transferStatus = kStatus_USDHC_TransferDataComplete;
- #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
- if (handle->data->rxData != NULL)
- {
- DCACHE_InvalidateByRange((uint32_t)(handle->data->rxData),
- (handle->data->blockSize) * (handle->data->blockCount));
- }
- #endif
- }
- }
- }
- if ((handle->callback.TransferComplete != NULL) && (transferStatus != kStatus_USDHC_BusyTransferring))
- {
- handle->callback.TransferComplete(base, handle, transferStatus, handle->userData);
- USDHC_DisableInterruptSignal(base, (uint32_t)kUSDHC_DataFlag | (uint32_t)kUSDHC_DataDMAFlag);
- handle->data = NULL;
- }
- }
- #endif
- static void USDHC_TransferHandleSdioInterrupt(USDHC_Type *base, usdhc_handle_t *handle)
- {
- if (handle->callback.SdioInterrupt != NULL)
- {
- handle->callback.SdioInterrupt(base, handle->userData);
- }
- }
- #if defined(FSL_FEATURE_USDHC_HAS_SDR50_MODE) && (FSL_FEATURE_USDHC_HAS_SDR50_MODE)
- static void USDHC_TransferHandleReTuning(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags)
- {
- assert(handle->callback.ReTuning != NULL);
- /* retuning request */
- if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_TuningErrorFlag))
- {
- handle->callback.ReTuning(base, handle->userData); /* retuning fail */
- }
- }
- #endif
- static void USDHC_TransferHandleBlockGap(USDHC_Type *base, usdhc_handle_t *handle)
- {
- if (handle->callback.BlockGap != NULL)
- {
- handle->callback.BlockGap(base, handle->userData);
- }
- }
- /*!
- * brief Creates the USDHC handle.
- *
- * param base USDHC peripheral base address.
- * param handle USDHC handle pointer.
- * param callback Structure pointer to contain all callback functions.
- * param userData Callback function parameter.
- */
- void USDHC_TransferCreateHandle(USDHC_Type *base,
- usdhc_handle_t *handle,
- const usdhc_transfer_callback_t *callback,
- void *userData)
- {
- assert(handle != NULL);
- assert(callback != NULL);
- /* Zero the handle. */
- (void)memset(handle, 0, sizeof(*handle));
- /* Set the callback. */
- handle->callback.CardInserted = callback->CardInserted;
- handle->callback.CardRemoved = callback->CardRemoved;
- handle->callback.SdioInterrupt = callback->SdioInterrupt;
- handle->callback.BlockGap = callback->BlockGap;
- handle->callback.TransferComplete = callback->TransferComplete;
- handle->callback.ReTuning = callback->ReTuning;
- handle->userData = userData;
- /* Save the handle in global variables to support the double weak mechanism. */
- s_usdhcHandle[USDHC_GetInstance(base)] = handle;
- /* save IRQ handler */
- s_usdhcIsr = USDHC_TransferHandleIRQ;
- (void)EnableIRQ(s_usdhcIRQ[USDHC_GetInstance(base)]);
- }
- /*!
- * brief IRQ handler for the USDHC.
- *
- * This function deals with the IRQs on the given host controller.
- *
- * param base USDHC peripheral base address.
- * param handle USDHC handle.
- */
- void USDHC_TransferHandleIRQ(USDHC_Type *base, usdhc_handle_t *handle)
- {
- assert(handle != NULL);
- uint32_t interruptFlags;
- interruptFlags = USDHC_GetEnabledInterruptStatusFlags(base);
- if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_CardDetectFlag))
- {
- USDHC_TransferHandleCardDetect(base, handle, interruptFlags);
- }
- if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_CommandFlag))
- {
- USDHC_TransferHandleCommand(base, handle, interruptFlags);
- }
- if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_DataFlag))
- {
- USDHC_TransferHandleData(base, handle, interruptFlags);
- }
- if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_CardInterruptFlag))
- {
- USDHC_TransferHandleSdioInterrupt(base, handle);
- }
- if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_BlockGapEventFlag))
- {
- USDHC_TransferHandleBlockGap(base, handle);
- }
- #if defined(FSL_FEATURE_USDHC_HAS_SDR50_MODE) && (FSL_FEATURE_USDHC_HAS_SDR50_MODE)
- if (IS_USDHC_FLAG_SET(interruptFlags, kUSDHC_SDR104TuningFlag))
- {
- USDHC_TransferHandleReTuning(base, handle, interruptFlags);
- }
- #endif
- USDHC_ClearInterruptStatusFlags(base, interruptFlags);
- }
- #ifdef USDHC0
- void USDHC0_DriverIRQHandler(void);
- void USDHC0_DriverIRQHandler(void)
- {
- s_usdhcIsr(s_usdhcBase[0U], s_usdhcHandle[0U]);
- SDK_ISR_EXIT_BARRIER;
- }
- #endif
- #ifdef USDHC1
- void USDHC1_DriverIRQHandler(void);
- void USDHC1_DriverIRQHandler(void)
- {
- s_usdhcIsr(s_usdhcBase[1U], s_usdhcHandle[1U]);
- SDK_ISR_EXIT_BARRIER;
- }
- #endif
- #ifdef USDHC2
- void USDHC2_DriverIRQHandler(void);
- void USDHC2_DriverIRQHandler(void)
- {
- s_usdhcIsr(s_usdhcBase[2U], s_usdhcHandle[2U]);
- SDK_ISR_EXIT_BARRIER;
- }
- #endif
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