2999 lines
100 KiB
C
2999 lines
100 KiB
C
/*
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* Copyright (c) 2015, Freescale Semiconductor, Inc.
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* Copyright 2016-2020 NXP
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* All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <string.h>
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#include "fsl_mmc.h"
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/*******************************************************************************
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* Definitons
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******************************************************************************/
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/*! @brief The divide value used to avoid float point calculation when calculate max speed in normal mode. */
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#define DIVIDER_IN_TRANSFER_SPEED (10U)
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/*! @brief MMC CMD1 retry times */
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#ifndef MMC_CMD1_RETRY_TIMES
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#define MMC_CMD1_RETRY_TIMES (10000U)
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#endif
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#ifndef MMC_CMD13_RETRY_TIMES
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#define MMC_CMD13_RETRY_TIMES (1000000U)
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#endif
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#ifndef MMC_CARD_ACCESS_WAIT_IDLE_TIMEOUT
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#define MMC_CARD_ACCESS_WAIT_IDLE_TIMEOUT (10000U)
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#endif
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/*!@brief power reset delay */
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#define MMC_POWER_RESET_DELAY (500U)
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/*******************************************************************************
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* Prototypes
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******************************************************************************/
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/*!
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* @brief Send SELECT_CARD command to set the card enter or exit transfer state.
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*
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* @param card Card descriptor.
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* @param isSelected True to enter transfer state.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static inline status_t MMC_SelectCard(mmc_card_t *card, bool isSelected);
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/*!
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* @brief Send SET_BLOCK_COUNT command.
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*
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* @param card Card descriptor.
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* @param blockCount Block count.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static inline status_t MMC_SetBlockCount(mmc_card_t *card, uint32_t blockCount);
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/*!
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* @brief Send GO_IDLE command to reset all cards to idle state
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*
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* @param card Card descriptor.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static inline status_t MMC_GoIdle(mmc_card_t *card);
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/*!
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* @brief Send STOP_TRANSMISSION command to card to stop ongoing data transferring.
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*
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* @param card Card descriptor.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_StopTransmission(mmc_card_t *card);
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/*!
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* @brief Send SET_BLOCK_SIZE command to set the block length in bytes for MMC cards.
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*
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* @param card Card descriptor.
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* @param blockSize Block size.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static inline status_t MMC_SetBlockSize(mmc_card_t *card, uint32_t blockSize);
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/*!
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* @brief Send SEND_OPERATION_CONDITION command to validate if the card support host's voltage window
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*
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* @param card Card descriptor.
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* @param arg Command argument.
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* @retval kStatus_SDMMC_TransferFailed Transfers failed.
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* @retval kStatus_Timeout Operation timeout.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_SendOperationCondition(mmc_card_t *card, uint32_t arg);
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/*!
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* @brief Send SET_RCA command to set the relative address of the card.
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*
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* @param card Card descriptor.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_SetRelativeAddress(mmc_card_t *card);
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/*!
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* @brief Decode CSD register content.
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*
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* @param card Card descriptor.
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* @param rawCsd raw CSD register content.
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*/
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static void MMC_DecodeCsd(mmc_card_t *card, uint32_t *rawCsd);
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/*!
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* @brief Set the card to max transfer speed in non-high speed mode.
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*
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* @param card Card descriptor.
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*/
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static void MMC_SetMaxFrequency(mmc_card_t *card);
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/*!
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* @brief Set erase unit size of the card
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*
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* @param card Card descriptor.
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* @retval kStatus_SDMMC_ConfigureExtendedCsdFailed Configure Extended CSD failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_SetMaxEraseUnitSize(mmc_card_t *card);
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/*!
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* @brief Send SWITCH command to set the specific byte in Extended CSD.
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*
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* Example:
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@code
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mmc_extended_csd_config_t config;
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config.accessMode = kMMC_ExtendedCsdAccessModeSetBits;
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config.ByteIndex = 1U;
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config.ByteValue = 0x033U;
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config.commandSet = kMMC_CommandSetStandard;
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MMC_SetExtendedCsdConfig(card, &config);
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@endcode
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*
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* @param card Card descriptor.
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* @param config Configuration for Extended CSD.
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* @param timeout switch command timeout value.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_SDMMC_WaitWriteCompleteFailed Wait write complete failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_SetExtendedCsdConfig(mmc_card_t *card, const mmc_extended_csd_config_t *config, uint32_t timeout);
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/*!
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* @brief Decode the Extended CSD register
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*
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* @param card Card descriptor.
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* @param rawExtendedCsd Raw extended CSD register content.
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*/
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static void MMC_DecodeExtendedCsd(mmc_card_t *card, uint32_t *rawExtendedCsd);
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/*!
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* @brief Send SEND_EXTENDED_CSD command to get the content of the Extended CSD register
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* Allow read the special byte index value if targetAddr is not NULL
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* @param card Card descriptor.
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* @param targetAddr Pointer to store the target byte value.
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* @param byteIndex Target byte index.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_SendExtendedCsd(mmc_card_t *card, uint8_t *targetAddr, uint32_t byteIndex);
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/*!
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* @brief Set the power class of the card at specific bus width and host intended voltage window.
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*
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* @param card Card descriptor.
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* @return The power class switch status.
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*/
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static status_t MMC_SetPowerClass(mmc_card_t *card);
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/*!
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* @brief Send test pattern to get the functional pin in the MMC bus
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*
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* @param card Card descriptor.
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* @param blockSize Test pattern block size.
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* @param pattern Test pattern data buffer.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_SendTestPattern(mmc_card_t *card, uint32_t blockSize, uint32_t *pattern);
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/*!
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* @brief Receive test pattern reversed by the card.
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*
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* @param card Card descriptor.
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* @param blockSize Test pattern block size.
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* @param pattern Test pattern data buffer.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_ReceiveTestPattern(mmc_card_t *card, uint32_t blockSize, uint32_t *pattern);
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/*!
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* @brief Bus test procedure to get the functional data pin in the bus
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*
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* @param card Card descriptor.
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* @param width Data bus width.
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* @retval kStatus_SDMMC_SendTestPatternFailed Send test pattern failed.
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* @retval kStatus_SDMMC_ReceiveTestPatternFailed Receive test pattern failed.
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* @retval kStatus_Fail Test failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_TestDataBusWidth(mmc_card_t *card, mmc_data_bus_width_t width);
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/*!
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* @brief Send SET_BUS_WIDTH command to set the bus width.
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*
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* @param card Card descriptor.
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* @param width Data bus width.
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* @retval kStatus_SDMMC_ConfigureExtendedCsdFailed Configure extended CSD failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_SetDataBusWidth(mmc_card_t *card, mmc_data_bus_width_t width);
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/*!
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* @brief Set max the bus width automatically
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*
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* @param card Card descriptor.
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* @param targetTiming switch target timing
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* @retval kStatus_SDMMC_SetDataBusWidthFailed switch fail.
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* @retval kStatus_Success switch success.
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*/
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static status_t MMC_SetMaxDataBusWidth(mmc_card_t *card, mmc_high_speed_timing_t targetTiming);
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/*!
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* @brief Switch the card to high speed mode
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*
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* @param card Card descriptor.
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* @retval kStatus_SDMMC_ConfigureExtendedCsdFailed Configure extended CSD failed.
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* @retval kStatus_SDMMC_CardNotSupport Card doesn't support high speed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_SelectBusTiming(mmc_card_t *card);
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/*!
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* @brief select card HS_TIMING value and card driver strength
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*
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* @param card Card descriptor.
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* @param timing Timing interface value.
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* @param driverStrength driver strength value.
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* @retval kStatus_Success switch success.
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* @retval kStatus_SDMMC_ConfigureExtendedCsdFailed , config extend csd register fail.
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*/
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static status_t MMC_SwitchHSTiming(mmc_card_t *card, uint8_t timing, uint8_t driverStrength);
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/*!
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* @brief switch to HS400 mode.
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*
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* @param card Card descriptor.
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* @retval kStatus_SDMMC_ConfigureExtendedCsdFailed Configure extended CSD failed.
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* @retval kStatus_SDMMC_SwitchBusTimingFailed switch bus timing fail.
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* @retval kStatus_SDMMC_SetDataBusWidthFailed switch bus width fail.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_SwitchToHS400(mmc_card_t *card);
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/*!
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* @brief switch to HS200 mode.
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*
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* @param card Card descriptor.
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* @param freq Target frequency.
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* @retval kStatus_SDMMC_ConfigureExtendedCsdFailed Configure extended CSD failed.
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* @retval kStatus_SDMMC_TuningFail tuning fail.
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* @retval kStatus_SDMMC_SetDataBusWidthFailed switch bus width fail.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_SwitchToHS200(mmc_card_t *card, uint32_t freq);
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/*!
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* @brief switch to HS400 mode.
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*
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* @param card Card descriptor.
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* @retval kStatus_SDMMC_ConfigureExtendedCsdFailed Configure extended CSD failed.
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* @retval kStatus_SDMMC_SetDataBusWidthFailed switch bus width fail.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_SwitchToHighSpeed(mmc_card_t *card);
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/*!
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* @brief Decode CID register
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*
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* @param card Card descriptor.
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* @param rawCid Raw CID register content.
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*/
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static void MMC_DecodeCid(mmc_card_t *card, uint32_t *rawCid);
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/*!
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* @brief Send ALL_SEND_CID command
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*
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* @param card Card descriptor.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_AllSendCid(mmc_card_t *card);
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/*!
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* @brief Send SEND_CSD command to get CSD from card
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*
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* @param card Card descriptor.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_SendCsd(mmc_card_t *card);
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/*!
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* @brief Check if the block range accessed is within current partition.
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*
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* @param card Card descriptor.
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* @param startBlock Start block to access.
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* @param blockCount Block count to access.
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* @retval kStatus_InvalidArgument Invalid argument.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_CheckBlockRange(mmc_card_t *card, uint32_t startBlock, uint32_t blockCount);
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/*!
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* @brief Check if the erase group range accessed is within current partition.
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*
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* @param card Card descriptor.
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* @param startGroup Start group to access.
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* @param endGroup End group to access.
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* @retval kStatus_InvalidArgument Invalid argument.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_CheckEraseGroupRange(mmc_card_t *card, uint32_t startGroup, uint32_t endGroup);
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/*!
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* @brief MMC excute tuning function.
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*
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* @param card Card descriptor.
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* @retval kStatus_Success Operate successfully.
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* @retval kStatus_SDMMC_TuningFail tuning fail.
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* @retval kStatus_SDMMC_TransferFailed transfer fail
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*/
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static inline status_t MMC_ExecuteTuning(mmc_card_t *card);
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/*!
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* @brief Read data from specific MMC card
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*
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* @param card Card descriptor.
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* @param buffer Buffer to save received data.
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* @param startBlock Start block to read.
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* @param blockSize Block size.
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* @param blockCount Block count to read.
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* @retval kStatus_SDMMC_CardNotSupport Card doesn't support.
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* @retval kStatus_SDMMC_WaitWriteCompleteFailed Wait write complete failed.
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* @retval kStatus_SDMMC_SetBlockCountFailed Set block count failed.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_SDMMC_StopTransmissionFailed Stop transmission failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_Read(
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mmc_card_t *card, uint8_t *buffer, uint32_t startBlock, uint32_t blockSize, uint32_t blockCount);
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/*!
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* @brief Write data from specific MMC card
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*
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* @param card Card descriptor.
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* @param buffer Buffer to hold the data to write.
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* @param startBlock Start block to write.
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* @param blockSize Block size.
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* @param blockCount Block count to write.
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* @retval kStatus_SDMMC_CardNotSupport Card doesn't support.
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* @retval kStatus_SDMMC_SetBlockCountFailed Set block count failed.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_SDMMC_StopTransmissionFailed Stop transmission failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_Write(
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mmc_card_t *card, const uint8_t *buffer, uint32_t startBlock, uint32_t blockSize, uint32_t blockCount);
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/*!
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* @brief MMC card erase function
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*
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* @param card Card descriptor.
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* @param startGroupAddress start erase group address.
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* @param endGroupAddress end erase group address.
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* @retval kStatus_SDMMC_TransferFailed Transfer failed.
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* @retval kStatus_Success Operate successfully.
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*/
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static status_t MMC_Erase(mmc_card_t *card, uint32_t startGroupAddress, uint32_t endGroupAddress);
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/*!
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* @brief card transfer function wrapper
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* This function is used to do tuning before transfer if the cmd won't casue re-tuning
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* request, then you can call host transfer function directly
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* @param card Card descriptor.
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* @param content Transfer content.
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* @param retry Retry times.
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* @retval kStatus_SDMMC_TransferFailed transfer fail
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* @retval kStatus_SDMMC_TuningFail tuning fail
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* @retval kStatus_Success transfer success
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*/
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static status_t MMC_Transfer(mmc_card_t *card, sdmmchost_transfer_t *content, uint32_t retry);
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/*!
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* @brief card validate operation voltage
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* This function is used to validate the operation voltage bettwen host and card
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*
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* @param card Card descriptor.
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* @param opcode Retry times.
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* @retval kStatus_Fail the operation voltage condition doesn't match between card and host
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* @retval kStatus_Success voltage validate successfully
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*/
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static status_t MMC_ValidateOperationVoltage(mmc_card_t *card, uint32_t *opcode);
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/*******************************************************************************
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* Variables
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******************************************************************************/
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/* Frequency unit defined in TRANSFER SPEED field in CSD */
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static const uint32_t g_transerSpeedFrequencyUnit[] = {100000U, 1000000U, 10000000U, 100000000U};
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/* The multiplying value defined in TRANSFER SPEED field in CSD */
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static const uint32_t g_transerSpeedMultiplierFactor[] = {0U, 10U, 12U, 13U, 15U, 20U, 26U, 30U,
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35U, 40U, 45U, 52U, 55U, 60U, 70U, 80U};
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/*******************************************************************************
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* Code
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******************************************************************************/
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static inline status_t MMC_SelectCard(mmc_card_t *card, bool isSelected)
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{
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assert(card != NULL);
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return SDMMC_SelectCard(card->host, card->relativeAddress, isSelected);
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}
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static inline status_t MMC_SetBlockCount(mmc_card_t *card, uint32_t blockCount)
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{
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assert(card != NULL);
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return SDMMC_SetBlockCount(card->host, blockCount);
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}
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static inline status_t MMC_GoIdle(mmc_card_t *card)
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{
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assert(card != NULL);
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return SDMMC_GoIdle(card->host);
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}
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static inline status_t MMC_SetBlockSize(mmc_card_t *card, uint32_t blockSize)
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{
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assert(card != NULL);
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return SDMMC_SetBlockSize(card->host, blockSize);
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}
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static status_t MMC_ExecuteTuning(mmc_card_t *card)
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{
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assert(card != NULL);
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uint32_t blockSize = 0U;
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if (card->busWidth == kMMC_DataBusWidth4bit)
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{
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blockSize = 64U;
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}
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else if (card->busWidth == kMMC_DataBusWidth8bit)
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{
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blockSize = 128U;
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}
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else
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{
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/* do not need tuning in this situation */
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return kStatus_Success;
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}
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return SDMMCHOST_ExecuteTuning(card->host, (uint32_t)kMMC_SendTuningBlock,
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(uint32_t *)FSL_SDMMC_CARD_INTERNAL_BUFFER_ALIGN_ADDR(card->internalBuffer),
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blockSize);
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}
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static status_t MMC_Transfer(mmc_card_t *card, sdmmchost_transfer_t *content, uint32_t retry)
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{
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assert(content != NULL);
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status_t error;
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uint32_t retuningCount = 3U;
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do
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{
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error = SDMMCHOST_TransferFunction(card->host, content);
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if (error == kStatus_Success)
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{
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break;
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}
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|
|
if (((retry == 0U) && (content->data != NULL)) || (error == kStatus_SDMMC_ReTuningRequest))
|
|
{
|
|
/* abort previous transfer firstly */
|
|
(void)MMC_StopTransmission(card);
|
|
|
|
if (card->busTiming == kMMC_HighSpeed200Timing)
|
|
{
|
|
if (--retuningCount == 0U)
|
|
{
|
|
break;
|
|
}
|
|
/* perform retuning */
|
|
if (MMC_ExecuteTuning(card) != kStatus_Success)
|
|
{
|
|
error = kStatus_SDMMC_TuningFail;
|
|
SDMMC_LOG("\r\nError: retuning failed.");
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
SDMMC_LOG("\r\nlog: retuning successfully.");
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (retry != 0U)
|
|
{
|
|
retry--;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
|
|
} while (true);
|
|
|
|
return error;
|
|
}
|
|
|
|
static status_t MMC_SendStatus(mmc_card_t *card, uint32_t *status)
|
|
{
|
|
assert(card != NULL);
|
|
status_t error = kStatus_Success;
|
|
sdmmchost_transfer_t content = {0};
|
|
sdmmchost_cmd_t command = {0};
|
|
uint32_t retry = 10;
|
|
|
|
command.index = (uint32_t)kSDMMC_SendStatus;
|
|
command.argument = card->relativeAddress << 16U;
|
|
command.responseType = kCARD_ResponseTypeR1;
|
|
|
|
content.command = &command;
|
|
content.data = NULL;
|
|
|
|
while (retry != 0U)
|
|
{
|
|
error = MMC_Transfer(card, &content, 2U);
|
|
if ((--retry == 0U) && (error != kStatus_Success))
|
|
{
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
if (kStatus_Success == error)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
*status = command.response[0U];
|
|
|
|
return error;
|
|
}
|
|
|
|
status_t MMC_PollingCardStatusBusy(mmc_card_t *card, bool checkStatus, uint32_t timeoutMs)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
uint32_t statusTimeoutUs = timeoutMs * 1000U;
|
|
bool cardBusy = false;
|
|
status_t error = kStatus_SDMMC_CardStatusBusy;
|
|
uint32_t status = 0U;
|
|
|
|
do
|
|
{
|
|
cardBusy = SDMMCHOST_IsCardBusy(card->host);
|
|
|
|
if (cardBusy == false)
|
|
{
|
|
if (checkStatus)
|
|
{
|
|
error = MMC_SendStatus(card, &status);
|
|
if (kStatus_Success == error)
|
|
{
|
|
/* check the response error */
|
|
if (0U != (status & (SDMMC_R1_ALL_ERROR_FLAG | SDMMC_MASK(kSDMMC_R1SwitchErrorFlag))))
|
|
{
|
|
SDMMC_LOG("\r\nError: CMD13 report switch error %x.", status);
|
|
|
|
error = kStatus_SDMMC_SwitchFailed;
|
|
}
|
|
else if ((0U != (status & SDMMC_MASK(kSDMMC_R1ReadyForDataFlag))) &&
|
|
(SDMMC_R1_CURRENT_STATE(status) != (uint32_t)kSDMMC_R1StateProgram))
|
|
{
|
|
error = kStatus_SDMMC_CardStatusIdle;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
SDMMC_LOG("\r\nWarning: CMD13 report busy %x.", status);
|
|
error = kStatus_SDMMC_CardStatusBusy;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
error = kStatus_SDMMC_TransferFailed;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
error = kStatus_SDMMC_CardStatusIdle;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (statusTimeoutUs != 0U)
|
|
{
|
|
/* Delay 125us to throttle the polling rate */
|
|
statusTimeoutUs -= SDMMC_OSADelayUs(125U);
|
|
}
|
|
|
|
} while (statusTimeoutUs != 0U);
|
|
|
|
return error;
|
|
}
|
|
|
|
static status_t MMC_StopTransmission(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
sdmmchost_transfer_t content = {0};
|
|
sdmmchost_cmd_t command = {0};
|
|
status_t error = kStatus_Success;
|
|
|
|
command.index = (uint32_t)kSDMMC_StopTransmission;
|
|
command.argument = 0U;
|
|
command.type = kCARD_CommandTypeAbort;
|
|
command.responseType = kCARD_ResponseTypeR1b;
|
|
command.responseErrorFlags = SDMMC_R1_ALL_ERROR_FLAG;
|
|
|
|
content.command = &command;
|
|
content.data = NULL;
|
|
error = SDMMCHOST_TransferFunction(card->host, &content);
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_SendOperationCondition(mmc_card_t *card, uint32_t arg)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
sdmmchost_cmd_t command = {0};
|
|
sdmmchost_transfer_t content = {0};
|
|
status_t error;
|
|
uint32_t i = MMC_CMD1_RETRY_TIMES;
|
|
|
|
/* Send CMD1 with the intended voltage range in the argument(either 0x00FF8000 or 0x00000080) */
|
|
command.index = (uint32_t)kMMC_SendOperationCondition;
|
|
command.argument = arg;
|
|
command.responseType = kCARD_ResponseTypeR3;
|
|
|
|
content.command = &command;
|
|
content.data = NULL;
|
|
do
|
|
{
|
|
error = SDMMCHOST_TransferFunction(card->host, &content);
|
|
|
|
if (error == kStatus_Success)
|
|
{
|
|
/* record OCR register */
|
|
card->ocr = command.response[0U];
|
|
|
|
if ((arg == 0U) && (command.response[0U] != 0U))
|
|
{
|
|
error = kStatus_Success;
|
|
}
|
|
/* Repeat CMD1 until the busy bit is cleared. */
|
|
else if (0U == (command.response[0U] & MMC_OCR_BUSY_MASK))
|
|
{
|
|
error = kStatus_Timeout;
|
|
}
|
|
else
|
|
{
|
|
error = kStatus_Success;
|
|
if (((card->ocr & MMC_OCR_ACCESS_MODE_MASK) >> MMC_OCR_ACCESS_MODE_SHIFT) ==
|
|
(uint32_t)kMMC_AccessModeSector)
|
|
{
|
|
card->flags |= (uint32_t)kMMC_SupportHighCapacityFlag;
|
|
}
|
|
}
|
|
}
|
|
|
|
SDMMC_OSADelay(10U);
|
|
|
|
} while ((0U != i--) && (error != kStatus_Success));
|
|
|
|
return error;
|
|
}
|
|
|
|
static status_t MMC_SetRelativeAddress(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
sdmmchost_cmd_t command = {0};
|
|
sdmmchost_transfer_t content = {0};
|
|
status_t error = kStatus_Success;
|
|
|
|
/* Send CMD3 with a chosen relative address, with value greater than 1 */
|
|
command.index = (uint32_t)kMMC_SetRelativeAddress;
|
|
command.argument = (MMC_DEFAULT_RELATIVE_ADDRESS << 16U);
|
|
command.responseType = kCARD_ResponseTypeR1;
|
|
|
|
content.command = &command;
|
|
content.data = NULL;
|
|
error = SDMMCHOST_TransferFunction(card->host, &content);
|
|
if ((kStatus_Success == error) || (0U == ((command.response[0U]) & SDMMC_R1_ALL_ERROR_FLAG)))
|
|
{
|
|
card->relativeAddress = MMC_DEFAULT_RELATIVE_ADDRESS;
|
|
return kStatus_Success;
|
|
}
|
|
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
static void MMC_DecodeCsd(mmc_card_t *card, uint32_t *rawCsd)
|
|
{
|
|
assert(card != NULL);
|
|
assert(rawCsd != NULL);
|
|
|
|
mmc_csd_t *csd;
|
|
uint32_t multiplier;
|
|
|
|
csd = &(card->csd);
|
|
csd->csdStructureVersion = (uint8_t)((rawCsd[3U] & 0xC0000000U) >> 30U);
|
|
csd->systemSpecificationVersion = (uint8_t)((rawCsd[3U] & 0x3C000000U) >> 26U);
|
|
csd->dataReadAccessTime1 = (uint8_t)((rawCsd[3U] & 0xFF0000U) >> 16U);
|
|
csd->dataReadAccessTime2 = (uint8_t)((rawCsd[3U] & 0xFF00U) >> 8U);
|
|
csd->transferSpeed = (uint8_t)(rawCsd[3U] & 0xFFU);
|
|
csd->cardCommandClass = (uint16_t)((rawCsd[2U] & 0xFFF00000U) >> 20U);
|
|
/* Max block length read/write one time */
|
|
csd->readBlockLength = (uint8_t)((rawCsd[2U] & 0xF0000U) >> 16U);
|
|
if ((rawCsd[2U] & 0x8000U) != 0U)
|
|
{
|
|
csd->flags |= (uint16_t)kMMC_CsdReadBlockPartialFlag;
|
|
}
|
|
if ((rawCsd[2U] & 0x4000U) != 0U)
|
|
{
|
|
csd->flags |= (uint16_t)kMMC_CsdWriteBlockMisalignFlag;
|
|
}
|
|
if ((rawCsd[2U] & 0x2000U) != 0U)
|
|
{
|
|
csd->flags |= (uint16_t)kMMC_CsdReadBlockMisalignFlag;
|
|
}
|
|
if ((rawCsd[2U] & 0x1000U) != 0U)
|
|
{
|
|
csd->flags |= (uint16_t)kMMC_CsdDsrImplementedFlag;
|
|
}
|
|
csd->deviceSize = (uint16_t)(((rawCsd[2U] & 0x3FFU) << 2U) + ((rawCsd[1U] & 0xC0000000U) >> 30U));
|
|
csd->readCurrentVddMin = (uint8_t)((rawCsd[1U] & 0x38000000U) >> 27U);
|
|
csd->readCurrentVddMax = (uint8_t)((rawCsd[1U] & 0x07000000U) >> 24U);
|
|
csd->writeCurrentVddMin = (uint8_t)((rawCsd[1U] & 0x00E00000U) >> 21U);
|
|
csd->writeCurrentVddMax = (uint8_t)((rawCsd[1U] & 0x001C0000U) >> 18U);
|
|
csd->deviceSizeMultiplier = (uint8_t)((rawCsd[1U] & 0x00038000U) >> 15U);
|
|
csd->eraseGroupSize = (uint8_t)((rawCsd[1U] & 0x00007C00U) >> 10U);
|
|
csd->eraseGroupSizeMultiplier = (uint8_t)((rawCsd[1U] & 0x000003E0U) >> 5U);
|
|
csd->writeProtectGroupSize = (uint8_t)(rawCsd[1U] & 0x0000001FU);
|
|
if ((rawCsd[0U] & 0x80000000U) != 0U)
|
|
{
|
|
csd->flags |= (uint16_t)kMMC_CsdWriteProtectGroupEnabledFlag;
|
|
}
|
|
csd->defaultEcc = (uint8_t)((rawCsd[0U] & 0x60000000U) >> 29U);
|
|
csd->writeSpeedFactor = (uint8_t)((rawCsd[0U] & 0x1C000000U) >> 26U);
|
|
csd->maxWriteBlockLength = (uint8_t)((rawCsd[0U] & 0x03C00000U) >> 22U);
|
|
if ((rawCsd[0U] & 0x00200000U) != 0U)
|
|
{
|
|
csd->flags |= (uint16_t)kMMC_CsdWriteBlockPartialFlag;
|
|
}
|
|
if ((rawCsd[0U] & 0x00010000U) != 0U)
|
|
{
|
|
csd->flags |= (uint16_t)kMMC_ContentProtectApplicationFlag;
|
|
}
|
|
if ((rawCsd[0U] & 0x00008000U) != 0U)
|
|
{
|
|
csd->flags |= (uint16_t)kMMC_CsdFileFormatGroupFlag;
|
|
}
|
|
if ((rawCsd[0U] & 0x00004000U) != 0U)
|
|
{
|
|
csd->flags |= (uint16_t)kMMC_CsdCopyFlag;
|
|
}
|
|
if ((rawCsd[0U] & 0x00002000U) != 0U)
|
|
{
|
|
csd->flags |= (uint16_t)kMMC_CsdPermanentWriteProtectFlag;
|
|
}
|
|
if ((rawCsd[0U] & 0x00001000U) != 0U)
|
|
{
|
|
csd->flags |= (uint16_t)kMMC_CsdTemporaryWriteProtectFlag;
|
|
}
|
|
csd->fileFormat = (uint8_t)((rawCsd[0U] & 0x00000C00U) >> 10U);
|
|
csd->eccCode = (uint8_t)((rawCsd[0U] & 0x00000300U) >> 8U);
|
|
|
|
/* Calculate the device total block count. */
|
|
/* For the card capacity of witch higher than 2GB, the maximum possible value should be set to this register
|
|
is 0xFFF. */
|
|
if (card->csd.deviceSize != 0xFFFU)
|
|
{
|
|
multiplier = (2UL << (card->csd.deviceSizeMultiplier + 2U - 1U));
|
|
card->userPartitionBlocks = (((card->csd.deviceSize + 1UL) * multiplier) / FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
}
|
|
|
|
card->blockSize = FSL_SDMMC_DEFAULT_BLOCK_SIZE;
|
|
}
|
|
|
|
static void MMC_SetMaxFrequency(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
uint32_t frequencyUnit;
|
|
uint32_t multiplierFactor;
|
|
uint32_t maxBusClock_Hz;
|
|
|
|
/* g_fsdhcCommandUnitInTranSpeed and g_transerSpeedMultiplierFactor are used to calculate the max speed in normal
|
|
mode not high speed mode.
|
|
For cards supporting version 4.0, 4.1, and 4.2 of the specification, the value shall be 20MHz(0x2A).
|
|
For cards supporting version 4.3, the value shall be 26 MHz (0x32H). In High speed mode, the max
|
|
frequency is decided by CARD_TYPE in Extended CSD. */
|
|
frequencyUnit = g_transerSpeedFrequencyUnit[READ_MMC_TRANSFER_SPEED_FREQUENCY_UNIT(card->csd)];
|
|
multiplierFactor = g_transerSpeedMultiplierFactor[READ_MMC_TRANSFER_SPEED_MULTIPLIER(card->csd)];
|
|
maxBusClock_Hz = (frequencyUnit * multiplierFactor) / DIVIDER_IN_TRANSFER_SPEED;
|
|
card->busClock_Hz = SDMMCHOST_SetCardClock(card->host, maxBusClock_Hz);
|
|
}
|
|
|
|
static status_t MMC_SetMaxEraseUnitSize(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
uint32_t erase_group_size;
|
|
uint32_t erase_group_multiplier;
|
|
mmc_extended_csd_config_t extendedCsdconfig;
|
|
|
|
/* Legacy mmc card , do not support the command */
|
|
if ((card->csd.systemSpecificationVersion == (uint32_t)kMMC_SpecificationVersion3) &&
|
|
(card->csd.csdStructureVersion == (uint32_t)kMMC_CsdStrucureVersion12))
|
|
{
|
|
return kStatus_Success;
|
|
}
|
|
|
|
if (((0U == (card->flags & (uint32_t)kMMC_SupportHighCapacityFlag)) ||
|
|
(card->extendedCsd.highCapacityEraseUnitSize == 0U)) ||
|
|
(card->extendedCsd.highCapacityEraseTimeout == 0U))
|
|
{
|
|
erase_group_size = card->csd.eraseGroupSize;
|
|
erase_group_multiplier = card->csd.eraseGroupSizeMultiplier;
|
|
card->eraseGroupBlocks = ((erase_group_size + 1U) * (erase_group_multiplier + 1U));
|
|
}
|
|
else
|
|
{
|
|
/* Erase Unit Size = 512Kbyte * HC_ERASE_GRP_SIZE. Block size is 512 bytes. */
|
|
card->eraseGroupBlocks = (card->extendedCsd.highCapacityEraseUnitSize * 1024UL);
|
|
/* Enable high capacity erase unit size. */
|
|
extendedCsdconfig.accessMode = kMMC_ExtendedCsdAccessModeSetBits;
|
|
extendedCsdconfig.ByteIndex = (uint8_t)kMMC_ExtendedCsdIndexEraseGroupDefinition;
|
|
extendedCsdconfig.ByteValue = 0x01U; /* The high capacity erase unit size enable bit is bit 0 */
|
|
extendedCsdconfig.commandSet = kMMC_CommandSetStandard;
|
|
if (kStatus_Success != MMC_SetExtendedCsdConfig(card, &extendedCsdconfig, 0U))
|
|
{
|
|
return kStatus_SDMMC_ConfigureExtendedCsdFailed;
|
|
}
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_SetExtendedCsdConfig(mmc_card_t *card, const mmc_extended_csd_config_t *config, uint32_t timeout)
|
|
{
|
|
assert(card != NULL);
|
|
assert(config != NULL);
|
|
|
|
status_t error = kStatus_Success;
|
|
uint32_t parameter = 0U;
|
|
sdmmchost_cmd_t command = {0};
|
|
sdmmchost_transfer_t content = {0};
|
|
uint32_t timeoutMS = timeout == 0U ? card->extendedCsd.genericCMD6Timeout : timeout;
|
|
|
|
parameter |= ((uint32_t)(config->commandSet) << MMC_SWITCH_COMMAND_SET_SHIFT);
|
|
parameter |= ((uint32_t)(config->ByteValue) << MMC_SWITCH_VALUE_SHIFT);
|
|
parameter |= ((uint32_t)(config->ByteIndex) << MMC_SWITCH_BYTE_INDEX_SHIFT);
|
|
parameter |= ((uint32_t)(config->accessMode) << MMC_SWITCH_ACCESS_MODE_SHIFT);
|
|
command.index = (uint32_t)kMMC_Switch;
|
|
command.argument = parameter;
|
|
command.responseType = kCARD_ResponseTypeR1b; /* Send switch command to set the pointed byte in Extended CSD. */
|
|
command.responseErrorFlags = SDMMC_R1_ALL_ERROR_FLAG | SDMMC_MASK(kSDMMC_R1SwitchErrorFlag);
|
|
|
|
content.command = &command;
|
|
content.data = NULL;
|
|
error = MMC_Transfer(card, &content, 2U);
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
/* Wait for the card write process complete because of that card read process and write process use one buffer. */
|
|
error = MMC_PollingCardStatusBusy(card, true, timeoutMS == 0U ? MMC_CARD_ACCESS_WAIT_IDLE_TIMEOUT : timeoutMS);
|
|
if (kStatus_SDMMC_CardStatusIdle != error)
|
|
{
|
|
return kStatus_SDMMC_PollingCardIdleFailed;
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static void MMC_DecodeExtendedCsd(mmc_card_t *card, uint32_t *rawExtendedCsd)
|
|
{
|
|
assert(card != NULL);
|
|
assert(rawExtendedCsd != NULL);
|
|
|
|
uint8_t *buffer = (uint8_t *)rawExtendedCsd;
|
|
mmc_extended_csd_t *extendedCsd = &(card->extendedCsd);
|
|
|
|
/* Extended CSD is transferred as a data block from least byte indexed 0. */
|
|
extendedCsd->bootPartitionWP = buffer[173U];
|
|
extendedCsd->bootWPStatus = buffer[174U];
|
|
extendedCsd->highDensityEraseGroupDefinition = buffer[175U];
|
|
extendedCsd->bootDataBusConditions = buffer[177U];
|
|
extendedCsd->bootConfigProtect = buffer[178U];
|
|
extendedCsd->partitionConfig = buffer[179U];
|
|
extendedCsd->eraseMemoryContent = buffer[181U];
|
|
extendedCsd->dataBusWidth = buffer[183U];
|
|
extendedCsd->highSpeedTiming = buffer[185U];
|
|
extendedCsd->powerClass = buffer[187U];
|
|
extendedCsd->commandSetRevision = buffer[189U];
|
|
extendedCsd->commandSet = buffer[191U];
|
|
extendedCsd->extendecCsdVersion = buffer[192U];
|
|
extendedCsd->csdStructureVersion = buffer[194U];
|
|
extendedCsd->partitionAttribute = buffer[156U];
|
|
extendedCsd->extPartitionSupport = buffer[494U];
|
|
extendedCsd->cardType = buffer[196U];
|
|
/* This field define the type of the card. The only currently valid values for this field are 0x01 and 0x03. */
|
|
card->flags |= extendedCsd->cardType;
|
|
|
|
extendedCsd->ioDriverStrength = buffer[197U];
|
|
|
|
extendedCsd->partitionSwitchTimeout = buffer[199U];
|
|
extendedCsd->powerClass52MHz195V = buffer[200U];
|
|
extendedCsd->powerClass26MHz195V = buffer[201U];
|
|
extendedCsd->powerClass52MHz360V = buffer[202U];
|
|
extendedCsd->powerClass26MHz360V = buffer[203U];
|
|
extendedCsd->powerClass200MHZVCCQ130VVCC360V = buffer[236U];
|
|
extendedCsd->powerClass200MHZVCCQ195VVCC360V = buffer[237U];
|
|
extendedCsd->powerClass52MHZDDR195V = buffer[238U];
|
|
extendedCsd->powerClass52MHZDDR360V = buffer[239U];
|
|
extendedCsd->powerClass200MHZDDR360V = buffer[253U];
|
|
extendedCsd->minimumReadPerformance4Bit26MHz = buffer[205U];
|
|
extendedCsd->minimumWritePerformance4Bit26MHz = buffer[206U];
|
|
extendedCsd->minimumReadPerformance8Bit26MHz4Bit52MHz = buffer[207U];
|
|
extendedCsd->minimumWritePerformance8Bit26MHz4Bit52MHz = buffer[208U];
|
|
extendedCsd->minimumReadPerformance8Bit52MHz = buffer[209U];
|
|
extendedCsd->minimumWritePerformance8Bit52MHz = buffer[210U];
|
|
extendedCsd->minReadPerformance8bitAt52MHZDDR = buffer[234U];
|
|
extendedCsd->minWritePerformance8bitAt52MHZDDR = buffer[235U];
|
|
/* Get user partition size. */
|
|
extendedCsd->sectorCount = ((((uint32_t)buffer[215U]) << 24U) + (((uint32_t)buffer[214U]) << 16U) +
|
|
(((uint32_t)buffer[213U]) << 8U) + (uint32_t)buffer[212U]);
|
|
if ((card->flags & (uint32_t)kMMC_SupportHighCapacityFlag) != 0U)
|
|
{
|
|
card->userPartitionBlocks = card->extendedCsd.sectorCount;
|
|
}
|
|
|
|
extendedCsd->sleepAwakeTimeout = buffer[217U];
|
|
extendedCsd->sleepCurrentVCCQ = buffer[219U];
|
|
extendedCsd->sleepCurrentVCC = buffer[220U];
|
|
extendedCsd->highCapacityWriteProtectGroupSize = buffer[221U];
|
|
extendedCsd->reliableWriteSectorCount = buffer[222U];
|
|
extendedCsd->highCapacityEraseTimeout = buffer[223U];
|
|
extendedCsd->highCapacityEraseUnitSize = buffer[224U];
|
|
extendedCsd->accessSize = buffer[225U];
|
|
|
|
/* Get boot partition size: 128KB * BOOT_SIZE_MULT*/
|
|
card->bootPartitionBlocks = ((128U * 1024U * buffer[226U]) / FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
|
|
/* support HS400 data strobe */
|
|
if (buffer[184] == 1U)
|
|
{
|
|
card->flags |= (uint32_t)kMMC_SupportEnhanceHS400StrobeFlag;
|
|
}
|
|
|
|
/* Check if card support boot mode. */
|
|
if ((buffer[228U] & 0x1U) != 0U)
|
|
{
|
|
card->flags |= (uint32_t)kMMC_SupportAlternateBootFlag;
|
|
}
|
|
else if ((buffer[228U] & 0x2U) != 0U)
|
|
{
|
|
card->flags |= (uint32_t)kMMC_SupportDDRBootFlag;
|
|
}
|
|
else if ((buffer[228U] & 0x4U) != 0U)
|
|
{
|
|
card->flags |= (uint32_t)kMMC_SupportHighSpeedBootFlag;
|
|
}
|
|
else
|
|
{
|
|
/* empty with intentional */
|
|
}
|
|
/* cache size unit 1kb */
|
|
extendedCsd->cacheSize = (((uint32_t)buffer[252U]) << 24) | (((uint32_t)buffer[251U]) << 16) |
|
|
(((uint32_t)buffer[250U]) << 8) | (((uint32_t)buffer[249U]));
|
|
|
|
extendedCsd->genericCMD6Timeout = buffer[248U] * 10UL;
|
|
extendedCsd->supportedCommandSet = buffer[504U];
|
|
}
|
|
|
|
static status_t MMC_SendExtendedCsd(mmc_card_t *card, uint8_t *targetAddr, uint32_t byteIndex)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
sdmmchost_cmd_t command = {0};
|
|
sdmmchost_transfer_t content = {0};
|
|
sdmmchost_data_t data = {0};
|
|
uint32_t *alignBuffer = (uint32_t *)FSL_SDMMC_CARD_INTERNAL_BUFFER_ALIGN_ADDR(card->internalBuffer);
|
|
status_t error = kStatus_Success;
|
|
|
|
/* Legacy mmc card , do not support the command */
|
|
if ((card->csd.systemSpecificationVersion == (uint32_t)kMMC_SpecificationVersion3) &&
|
|
(card->csd.csdStructureVersion == (uint32_t)kMMC_CsdStrucureVersion12))
|
|
{
|
|
return kStatus_Success;
|
|
}
|
|
|
|
(void)memset(alignBuffer, 0, MMC_EXTENDED_CSD_BYTES);
|
|
|
|
command.index = (uint32_t)kMMC_SendExtendedCsd;
|
|
command.argument = 0U;
|
|
command.responseType = kCARD_ResponseTypeR1;
|
|
|
|
data.blockCount = 1U;
|
|
data.blockSize = MMC_EXTENDED_CSD_BYTES;
|
|
data.rxData = alignBuffer;
|
|
|
|
content.command = &command;
|
|
content.data = &data;
|
|
error = SDMMCHOST_TransferFunction(card->host, &content);
|
|
if ((kStatus_Success == error) && (0U == (command.response[0U] & SDMMC_R1_ALL_ERROR_FLAG)))
|
|
{
|
|
SDMMCHOST_ConvertDataToLittleEndian(card->host, alignBuffer, MMC_EXTENDED_CSD_BYTES / 4U,
|
|
kSDMMC_DataPacketFormatLSBFirst);
|
|
if (targetAddr != NULL)
|
|
{
|
|
*targetAddr = ((uint8_t *)alignBuffer)[byteIndex];
|
|
}
|
|
else
|
|
{
|
|
MMC_DecodeExtendedCsd(card, alignBuffer);
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
static status_t MMC_SetPowerClass(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
uint8_t mask = 0, shift = 0U;
|
|
uint8_t powerClass = 0;
|
|
mmc_extended_csd_config_t extendedCsdconfig;
|
|
|
|
/* Legacy mmc card , do not support the command */
|
|
if ((card->csd.systemSpecificationVersion == (uint32_t)kMMC_SpecificationVersion3) &&
|
|
(card->csd.csdStructureVersion == (uint32_t)kMMC_CsdStrucureVersion12))
|
|
{
|
|
return kStatus_Success;
|
|
}
|
|
|
|
if ((card->busWidth == kMMC_DataBusWidth4bit) || (card->busWidth == kMMC_DataBusWidth4bitDDR))
|
|
{
|
|
mask = MMC_POWER_CLASS_4BIT_MASK; /* The mask of 4 bit bus width's power class */
|
|
shift = 0U;
|
|
}
|
|
else if ((card->busWidth == kMMC_DataBusWidth8bit) || (card->busWidth == kMMC_DataBusWidth8bitDDR))
|
|
{
|
|
mask = MMC_POWER_CLASS_8BIT_MASK; /* The mask of 8 bit bus width's power class */
|
|
shift = 4U;
|
|
}
|
|
else
|
|
{
|
|
return kStatus_Success;
|
|
}
|
|
|
|
switch (card->hostVoltageWindowVCC)
|
|
{
|
|
case kMMC_VoltageWindows270to360:
|
|
|
|
if (card->busTiming == kMMC_HighSpeed200Timing)
|
|
{
|
|
if (card->hostVoltageWindowVCCQ == kMMC_VoltageWindow170to195)
|
|
{
|
|
powerClass = ((card->extendedCsd.powerClass200MHZVCCQ195VVCC360V) & mask);
|
|
}
|
|
else if (card->hostVoltageWindowVCCQ == kMMC_VoltageWindow120)
|
|
{
|
|
powerClass = ((card->extendedCsd.powerClass200MHZVCCQ130VVCC360V) & mask);
|
|
}
|
|
else
|
|
{
|
|
/* intentional empty */
|
|
}
|
|
}
|
|
else if (card->busTiming == kMMC_HighSpeed400Timing)
|
|
{
|
|
powerClass = ((card->extendedCsd.powerClass200MHZDDR360V) & mask);
|
|
}
|
|
else if ((card->busTiming == kMMC_HighSpeedTiming) && (card->busWidth > kMMC_DataBusWidth8bit))
|
|
{
|
|
powerClass = ((card->extendedCsd.powerClass52MHZDDR360V) & mask);
|
|
}
|
|
else if ((card->busTiming == kMMC_HighSpeedTiming) && (card->busClock_Hz > MMC_CLOCK_26MHZ))
|
|
{
|
|
powerClass = ((card->extendedCsd.powerClass52MHz360V) & mask);
|
|
}
|
|
else if (card->busTiming == kMMC_HighSpeedTiming)
|
|
{
|
|
powerClass = ((card->extendedCsd.powerClass26MHz360V) & mask);
|
|
}
|
|
else
|
|
{
|
|
/* intentional empty */
|
|
}
|
|
|
|
break;
|
|
|
|
case kMMC_VoltageWindow170to195:
|
|
|
|
if ((card->busTiming == kMMC_HighSpeedTiming) && (card->busClock_Hz <= MMC_CLOCK_26MHZ))
|
|
{
|
|
powerClass = ((card->extendedCsd.powerClass26MHz195V) & mask);
|
|
}
|
|
else if ((card->busTiming == kMMC_HighSpeedTiming) && (card->busClock_Hz > MMC_CLOCK_26MHZ))
|
|
{
|
|
powerClass = ((card->extendedCsd.powerClass52MHz195V) & mask);
|
|
}
|
|
else if ((card->busTiming == kMMC_HighSpeedTiming) && (card->busWidth > kMMC_DataBusWidth8bit))
|
|
{
|
|
powerClass = ((card->extendedCsd.powerClass52MHZDDR195V) & mask);
|
|
}
|
|
else
|
|
{
|
|
/* intentional empty */
|
|
}
|
|
|
|
break;
|
|
default:
|
|
powerClass = 0;
|
|
break;
|
|
}
|
|
|
|
/* due to 8bit power class position [7:4] */
|
|
powerClass >>= shift;
|
|
|
|
if (powerClass > 0U)
|
|
{
|
|
extendedCsdconfig.accessMode = kMMC_ExtendedCsdAccessModeWriteBits;
|
|
extendedCsdconfig.ByteIndex = (uint8_t)kMMC_ExtendedCsdIndexPowerClass;
|
|
extendedCsdconfig.ByteValue = powerClass;
|
|
extendedCsdconfig.commandSet = kMMC_CommandSetStandard;
|
|
if (kStatus_Success != MMC_SetExtendedCsdConfig(card, &extendedCsdconfig, 0U))
|
|
{
|
|
return kStatus_SDMMC_ConfigureExtendedCsdFailed;
|
|
}
|
|
/* restore power class */
|
|
card->extendedCsd.powerClass = powerClass;
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_SendTestPattern(mmc_card_t *card, uint32_t blockSize, uint32_t *pattern)
|
|
{
|
|
assert(card != NULL);
|
|
assert(blockSize <= FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
assert(pattern != NULL);
|
|
|
|
sdmmchost_transfer_t content = {0};
|
|
sdmmchost_cmd_t command = {0};
|
|
sdmmchost_data_t data = {0};
|
|
status_t error = kStatus_Success;
|
|
|
|
command.index = (uint32_t)kMMC_SendingBusTest;
|
|
command.argument = 0U;
|
|
command.responseType = kCARD_ResponseTypeR1;
|
|
|
|
/* Ignore errors in bus test procedure to improve chances that the test will work. */
|
|
data.enableIgnoreError = true;
|
|
data.blockCount = 1U;
|
|
data.blockSize = blockSize;
|
|
data.txData = pattern;
|
|
|
|
content.command = &command;
|
|
content.data = &data;
|
|
error = SDMMCHOST_TransferFunction(card->host, &content);
|
|
if ((kStatus_Success != error) || ((command.response[0U] & SDMMC_R1_ALL_ERROR_FLAG) != 0U))
|
|
{
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_ReceiveTestPattern(mmc_card_t *card, uint32_t blockSize, uint32_t *pattern)
|
|
{
|
|
assert(card != NULL);
|
|
assert(blockSize <= FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
assert(pattern != NULL);
|
|
|
|
sdmmchost_transfer_t content = {0};
|
|
sdmmchost_cmd_t command = {0};
|
|
sdmmchost_data_t data = {0};
|
|
status_t error = kStatus_Success;
|
|
|
|
command.index = (uint32_t)kMMC_BusTestRead;
|
|
command.responseType = kCARD_ResponseTypeR1;
|
|
|
|
/* Ignore errors in bus test procedure to improve chances that the test will work. */
|
|
data.enableIgnoreError = true;
|
|
data.blockCount = 1U;
|
|
data.blockSize = blockSize;
|
|
data.rxData = pattern;
|
|
|
|
content.command = &command;
|
|
content.data = &data;
|
|
error = SDMMCHOST_TransferFunction(card->host, &content);
|
|
if ((kStatus_Success != error) || (((command.response[0U]) & SDMMC_R1_ALL_ERROR_FLAG) != 0U))
|
|
{
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_TestDataBusWidth(mmc_card_t *card, mmc_data_bus_width_t width)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
uint32_t blockSize = 0U;
|
|
uint32_t tempsendPattern = 0U;
|
|
uint32_t *tempPattern = (uint32_t *)FSL_SDMMC_CARD_INTERNAL_BUFFER_ALIGN_ADDR(card->internalBuffer);
|
|
uint32_t xorMask = 0U;
|
|
uint32_t xorResult = 0U;
|
|
|
|
/* For 8 data lines the data block would be (MSB to LSB): 0x0000_0000_0000_AA55,
|
|
For 4 data lines the data block would be (MSB to LSB): 0x0000_005A,
|
|
For only 1 data line the data block would be: 0x80 */
|
|
switch (width)
|
|
{
|
|
case kMMC_DataBusWidth8bit:
|
|
case kMMC_DataBusWidth8bitDDR:
|
|
blockSize = 8U;
|
|
tempPattern[0U] = 0xAA55U;
|
|
xorMask = 0xFFFFU;
|
|
xorResult = 0xFFFFU;
|
|
break;
|
|
case kMMC_DataBusWidth4bit:
|
|
case kMMC_DataBusWidth4bitDDR:
|
|
blockSize = 4U;
|
|
tempPattern[0U] = 0x5AU;
|
|
xorMask = 0xFFU;
|
|
xorResult = 0xFFU;
|
|
break;
|
|
default:
|
|
blockSize = 4U;
|
|
tempPattern[0U] = 0x80U;
|
|
xorMask = 0xFFU;
|
|
xorResult = 0xC0U;
|
|
break;
|
|
}
|
|
|
|
SDMMCHOST_ConvertDataToLittleEndian(card->host, &tempPattern[0], 1U, kSDMMC_DataPacketFormatLSBFirst);
|
|
SDMMCHOST_ConvertDataToLittleEndian(card->host, &xorMask, 1U, kSDMMC_DataPacketFormatLSBFirst);
|
|
SDMMCHOST_ConvertDataToLittleEndian(card->host, &xorResult, 1U, kSDMMC_DataPacketFormatLSBFirst);
|
|
|
|
(void)MMC_SendTestPattern(card, blockSize, tempPattern);
|
|
/* restore the send pattern */
|
|
tempsendPattern = tempPattern[0U];
|
|
/* reset the global buffer */
|
|
tempPattern[0U] = 0U;
|
|
|
|
(void)MMC_ReceiveTestPattern(card, blockSize, tempPattern);
|
|
|
|
/* XOR the send pattern and receive pattern */
|
|
if (((tempPattern[0U] ^ tempsendPattern) & xorMask) != xorResult)
|
|
{
|
|
return kStatus_Fail;
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_SetDataBusWidth(mmc_card_t *card, mmc_data_bus_width_t width)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
mmc_extended_csd_config_t extendedCsdconfig;
|
|
|
|
/* Set data bus width */
|
|
extendedCsdconfig.accessMode = kMMC_ExtendedCsdAccessModeWriteBits;
|
|
extendedCsdconfig.ByteIndex = (uint8_t)kMMC_ExtendedCsdIndexBusWidth;
|
|
extendedCsdconfig.ByteValue = (uint8_t)width;
|
|
extendedCsdconfig.commandSet = kMMC_CommandSetStandard;
|
|
if (kStatus_Success != MMC_SetExtendedCsdConfig(card, &extendedCsdconfig, 0U))
|
|
{
|
|
return kStatus_SDMMC_ConfigureExtendedCsdFailed;
|
|
}
|
|
/* restore data bus width */
|
|
card->extendedCsd.dataBusWidth = (uint8_t)width;
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_SetMaxDataBusWidth(mmc_card_t *card, mmc_high_speed_timing_t targetTiming)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
status_t error = kStatus_Fail;
|
|
|
|
do
|
|
{
|
|
if (card->busWidth == kMMC_DataBusWidth1bit)
|
|
{
|
|
card->busWidth = kMMC_DataBusWidth8bitDDR;
|
|
}
|
|
|
|
if (card->busWidth == kMMC_DataBusWidth8bitDDR)
|
|
{
|
|
if (((card->host->capability &
|
|
((uint32_t)kSDMMCHOST_Support8BitDataWidth | (uint32_t)kSDMMCHOST_SupportDDRMode)) ==
|
|
((uint32_t)kSDMMCHOST_Support8BitDataWidth | (uint32_t)kSDMMCHOST_SupportDDRMode)) &&
|
|
(0U != (card->flags & ((uint32_t)kMMC_SupportHighSpeedDDR52MHZ180V300VFlag |
|
|
(uint32_t)kMMC_SupportHighSpeedDDR52MHZ120VFlag))) &&
|
|
((targetTiming == kMMC_HighSpeedTiming) || (targetTiming == kMMC_HighSpeed400Timing)) &&
|
|
((card->usrParam.capability & (uint32_t)kSDMMC_Support8BitWidth) != 0U))
|
|
{
|
|
SDMMCHOST_SetCardBusWidth(card->host, kSDMMC_BusWdith8Bit);
|
|
if (kStatus_Success == MMC_TestDataBusWidth(card, kMMC_DataBusWidth8bitDDR))
|
|
{
|
|
if (kStatus_Success == MMC_SetDataBusWidth(card, kMMC_DataBusWidth8bitDDR))
|
|
{
|
|
error = kStatus_Success;
|
|
card->busWidth = kMMC_DataBusWidth8bitDDR;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* HS400 mode only support 8bit data bus */
|
|
if (card->busTiming == kMMC_HighSpeed400Timing)
|
|
{
|
|
return kStatus_SDMMC_SetDataBusWidthFailed;
|
|
}
|
|
}
|
|
card->busWidth = kMMC_DataBusWidth4bitDDR;
|
|
}
|
|
|
|
if (card->busWidth == kMMC_DataBusWidth4bitDDR)
|
|
{
|
|
if (((card->host->capability &
|
|
((uint32_t)kSDMMCHOST_Support4BitDataWidth | (uint32_t)kSDMMCHOST_SupportDDRMode)) ==
|
|
((uint32_t)kSDMMCHOST_Support4BitDataWidth | (uint32_t)kSDMMCHOST_SupportDDRMode)) &&
|
|
(0U != (card->flags & ((uint32_t)kMMC_SupportHighSpeedDDR52MHZ180V300VFlag |
|
|
(uint32_t)kMMC_SupportHighSpeedDDR52MHZ120VFlag))) &&
|
|
((targetTiming == kMMC_HighSpeedTiming) || (targetTiming == kMMC_HighSpeed400Timing)))
|
|
{
|
|
SDMMCHOST_SetCardBusWidth(card->host, kSDMMC_BusWdith4Bit);
|
|
if (kStatus_Success == MMC_TestDataBusWidth(card, kMMC_DataBusWidth4bitDDR))
|
|
{
|
|
if (kStatus_Success == MMC_SetDataBusWidth(card, kMMC_DataBusWidth4bitDDR))
|
|
{
|
|
error = kStatus_Success;
|
|
card->busWidth = kMMC_DataBusWidth4bitDDR;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
card->busWidth = kMMC_DataBusWidth8bit;
|
|
}
|
|
|
|
if (card->busWidth == kMMC_DataBusWidth8bit)
|
|
{
|
|
if (((card->host->capability & (uint32_t)kSDMMCHOST_Support8BitDataWidth) != 0U) &&
|
|
((targetTiming == kMMC_HighSpeedTiming) || (targetTiming == kMMC_HighSpeed200Timing)) &&
|
|
((card->usrParam.capability & (uint32_t)kSDMMC_Support8BitWidth) != 0U))
|
|
{
|
|
SDMMCHOST_SetCardBusWidth(card->host, kSDMMC_BusWdith8Bit);
|
|
if (kStatus_Success == MMC_TestDataBusWidth(card, kMMC_DataBusWidth8bit))
|
|
{
|
|
if (kStatus_Success == MMC_SetDataBusWidth(card, kMMC_DataBusWidth8bit))
|
|
{
|
|
error = kStatus_Success;
|
|
card->busWidth = kMMC_DataBusWidth8bit;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
card->busWidth = kMMC_DataBusWidth4bit;
|
|
}
|
|
|
|
if (card->busWidth == kMMC_DataBusWidth4bit)
|
|
{
|
|
if (((card->host->capability & (uint32_t)kSDMMCHOST_Support8BitDataWidth) != 0U) &&
|
|
((targetTiming == kMMC_HighSpeedTiming) || (targetTiming == kMMC_HighSpeed200Timing)))
|
|
{
|
|
SDMMCHOST_SetCardBusWidth(card->host, kSDMMC_BusWdith4Bit);
|
|
if (kStatus_Success == MMC_TestDataBusWidth(card, kMMC_DataBusWidth4bit))
|
|
{
|
|
if (kStatus_Success == MMC_SetDataBusWidth(card, kMMC_DataBusWidth4bit))
|
|
{
|
|
error = kStatus_Success;
|
|
card->busWidth = kMMC_DataBusWidth4bit;
|
|
break;
|
|
}
|
|
}
|
|
/* HS200 mode only support 4bit/8bit data bus */
|
|
if (targetTiming == kMMC_HighSpeed200Timing)
|
|
{
|
|
return kStatus_SDMMC_SetDataBusWidthFailed;
|
|
}
|
|
}
|
|
}
|
|
|
|
} while (false);
|
|
|
|
if (error == kStatus_Fail)
|
|
{
|
|
/* Card's data bus width will be default 1 bit mode. */
|
|
SDMMCHOST_SetCardBusWidth(card->host, kSDMMC_BusWdith1Bit);
|
|
card->busWidth = kMMC_DataBusWidth1bit;
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_SwitchHSTiming(mmc_card_t *card, uint8_t timing, uint8_t driverStrength)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
uint8_t hsTiming = 0;
|
|
|
|
mmc_extended_csd_config_t extendedCsdconfig;
|
|
|
|
/* check the target driver strength support or not */
|
|
if (((card->extendedCsd.ioDriverStrength & (1U << driverStrength)) == 0U) &&
|
|
(card->extendedCsd.extendecCsdVersion >= (uint8_t)kMMC_ExtendedCsdRevision17))
|
|
{
|
|
return kStatus_SDMMC_NotSupportYet;
|
|
}
|
|
/* calucate the register value */
|
|
hsTiming = (timing & 0xFU) | (uint8_t)(driverStrength << 4U);
|
|
|
|
/* Switch to high speed timing. */
|
|
extendedCsdconfig.accessMode = kMMC_ExtendedCsdAccessModeWriteBits;
|
|
extendedCsdconfig.ByteIndex = (uint8_t)kMMC_ExtendedCsdIndexHighSpeedTiming;
|
|
extendedCsdconfig.ByteValue = hsTiming;
|
|
extendedCsdconfig.commandSet = kMMC_CommandSetStandard;
|
|
if (kStatus_Success != MMC_SetExtendedCsdConfig(card, &extendedCsdconfig, 0U))
|
|
{
|
|
return kStatus_SDMMC_ConfigureExtendedCsdFailed;
|
|
}
|
|
|
|
card->extendedCsd.highSpeedTiming = hsTiming;
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_SwitchToHighSpeed(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
uint32_t freq = 0U;
|
|
|
|
if (kStatus_Success != MMC_SwitchHSTiming(card, (uint8_t)kMMC_HighSpeedTiming, kMMC_DriverStrength0))
|
|
{
|
|
return kStatus_SDMMC_SwitchBusTimingFailed;
|
|
}
|
|
|
|
if ((card->flags & (uint32_t)kMMC_SupportHighSpeed52MHZFlag) != 0U)
|
|
{
|
|
freq = FSL_SDMMC_CARD_MAX_BUS_FREQ(card->usrParam.maxFreq, MMC_CLOCK_52MHZ);
|
|
}
|
|
else if ((card->flags & (uint32_t)kMMC_SupportHighSpeed26MHZFlag) != 0U)
|
|
{
|
|
freq = FSL_SDMMC_CARD_MAX_BUS_FREQ(card->usrParam.maxFreq, MMC_CLOCK_26MHZ);
|
|
}
|
|
else
|
|
{
|
|
/* Intentional empty */
|
|
}
|
|
|
|
card->busClock_Hz = SDMMCHOST_SetCardClock(card->host, freq);
|
|
/* config io speed and strength */
|
|
if (card->usrParam.ioStrength != NULL)
|
|
{
|
|
card->usrParam.ioStrength(MMC_CLOCK_52MHZ);
|
|
}
|
|
/* Set card data width, it is nessesary to config the the data bus here, to meet emmc5.0 specification,
|
|
* when you are working in DDR mode , HS_TIMING must set before set bus width
|
|
*/
|
|
if (MMC_SetMaxDataBusWidth(card, kMMC_HighSpeedTiming) != kStatus_Success)
|
|
{
|
|
return kStatus_SDMMC_SetDataBusWidthFailed;
|
|
}
|
|
|
|
if ((card->busWidth == kMMC_DataBusWidth4bitDDR) || (card->busWidth == kMMC_DataBusWidth8bitDDR))
|
|
{
|
|
SDMMCHOST_EnableDDRMode(card->host, true, 0U);
|
|
}
|
|
|
|
card->busTiming = kMMC_HighSpeedTiming;
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_SwitchToHS200(mmc_card_t *card, uint32_t freq)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
status_t error = kStatus_Fail;
|
|
|
|
if ((card->hostVoltageWindowVCCQ != kMMC_VoltageWindow170to195) &&
|
|
(card->hostVoltageWindowVCCQ != kMMC_VoltageWindow120))
|
|
{
|
|
return kStatus_SDMMC_InvalidVoltage;
|
|
}
|
|
|
|
/* select bus width before select bus timing for HS200 mode */
|
|
if (MMC_SetMaxDataBusWidth(card, kMMC_HighSpeed200Timing) != kStatus_Success)
|
|
{
|
|
return kStatus_SDMMC_SetDataBusWidthFailed;
|
|
}
|
|
|
|
/* switch to HS200 mode */
|
|
if (kStatus_Success != MMC_SwitchHSTiming(card, (uint8_t)kMMC_HighSpeed200Timing, kMMC_DriverStrength0))
|
|
{
|
|
return kStatus_SDMMC_SwitchBusTimingFailed;
|
|
}
|
|
|
|
card->busClock_Hz = SDMMCHOST_SetCardClock(card->host, freq);
|
|
/* config io speed and strength */
|
|
if (card->usrParam.ioStrength != NULL)
|
|
{
|
|
card->usrParam.ioStrength(freq);
|
|
}
|
|
|
|
/* excute tuning for HS200 */
|
|
if (MMC_ExecuteTuning(card) != kStatus_Success)
|
|
{
|
|
return kStatus_SDMMC_TuningFail;
|
|
}
|
|
|
|
card->busTiming = kMMC_HighSpeed200Timing;
|
|
|
|
error = MMC_PollingCardStatusBusy(card, true, MMC_CARD_ACCESS_WAIT_IDLE_TIMEOUT);
|
|
if (kStatus_SDMMC_CardStatusIdle != error)
|
|
{
|
|
return kStatus_SDMMC_PollingCardIdleFailed;
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_SwitchToHS400(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
uint32_t status = 0U;
|
|
uint32_t hs400Freq = FSL_SDMMC_CARD_MAX_BUS_FREQ(card->usrParam.maxFreq, MMC_CLOCK_HS400);
|
|
status_t error = kStatus_Fail;
|
|
|
|
if ((card->hostVoltageWindowVCCQ != kMMC_VoltageWindow170to195) &&
|
|
(card->hostVoltageWindowVCCQ != kMMC_VoltageWindow120))
|
|
{
|
|
return kStatus_SDMMC_InvalidVoltage;
|
|
}
|
|
|
|
if (card->host->hostController.sourceClock_Hz < MMC_CLOCK_HS400)
|
|
{
|
|
hs400Freq = card->host->hostController.sourceClock_Hz;
|
|
}
|
|
|
|
if ((card->host->hostController.sourceClock_Hz > MMC_CLOCK_HS400) &&
|
|
(card->host->hostController.sourceClock_Hz % MMC_CLOCK_HS400 != 0U))
|
|
{
|
|
hs400Freq = card->host->hostController.sourceClock_Hz /
|
|
(card->host->hostController.sourceClock_Hz / MMC_CLOCK_HS400 + 1U);
|
|
}
|
|
/* HS400 mode support 8 bit data bus only */
|
|
card->busWidth = kMMC_DataBusWidth8bit;
|
|
/* switch to HS200 perform tuning */
|
|
if (kStatus_Success != MMC_SwitchToHS200(card, hs400Freq / 2U))
|
|
{
|
|
return kStatus_SDMMC_SwitchBusTimingFailed;
|
|
}
|
|
|
|
/* check data bus width is 8 bit , otherwise return false*/
|
|
if (card->busWidth != kMMC_DataBusWidth8bit)
|
|
{
|
|
return kStatus_SDMMC_SwitchBusTimingFailed;
|
|
}
|
|
|
|
/*
|
|
* For the issue found in stress test of repeat emmc initialization operation, after HS200 switch complete, the emmc
|
|
* status not correct for switching to high speed, normally the emmc should stay in TRAN state, but sometimes the
|
|
* emmc status is in DATA state which will cause switch to High speed failed. when such issue happen, software will
|
|
* try to use CMD12 to reset the emmc status to TRAN before switch to high speed for HS400.
|
|
*/
|
|
error = MMC_SendStatus(card, &status);
|
|
if (error != kStatus_Success)
|
|
{
|
|
return kStatus_SDMMC_SwitchBusTimingFailed;
|
|
}
|
|
|
|
if (SDMMC_R1_CURRENT_STATE(status) == (uint32_t)kSDMMC_R1StateSendData)
|
|
{
|
|
SDMMC_LOG("status uncorrect for switching to High speed timing, try use CMD12 to get back to TRAN state\r\n");
|
|
/* try to get back to transfer state before switch to High speed */
|
|
(void)MMC_StopTransmission(card);
|
|
}
|
|
|
|
/*switch to high speed*/
|
|
if (kStatus_Success != MMC_SwitchHSTiming(card, (uint8_t)kMMC_HighSpeedTiming, kMMC_DriverStrength0))
|
|
{
|
|
return kStatus_SDMMC_ConfigureExtendedCsdFailed;
|
|
}
|
|
|
|
/* switch to high speed first */
|
|
card->busClock_Hz = SDMMCHOST_SetCardClock(card->host, MMC_CLOCK_52MHZ);
|
|
/* config io strength */
|
|
if (card->usrParam.ioStrength != NULL)
|
|
{
|
|
card->usrParam.ioStrength(MMC_CLOCK_52MHZ);
|
|
}
|
|
|
|
card->busTiming = kMMC_HighSpeed400Timing;
|
|
/* switch to 8 bit DDR data bus width */
|
|
if (kStatus_Success != MMC_SetDataBusWidth(card, kMMC_DataBusWidth8bitDDR))
|
|
{
|
|
return kStatus_SDMMC_SetDataBusWidthFailed;
|
|
}
|
|
/* switch to HS400 */
|
|
if (kStatus_Success != MMC_SwitchHSTiming(card, (uint8_t)kMMC_HighSpeed400Timing, kMMC_DriverStrength0))
|
|
{
|
|
return kStatus_SDMMC_SwitchBusTimingFailed;
|
|
}
|
|
/* config to target freq */
|
|
card->busClock_Hz = SDMMCHOST_SetCardClock(card->host, hs400Freq / 2U);
|
|
/* config io speed and strength */
|
|
if (card->usrParam.ioStrength != NULL)
|
|
{
|
|
card->usrParam.ioStrength(MMC_CLOCK_HS200);
|
|
}
|
|
/* enable HS400 mode */
|
|
SDMMCHOST_EnableHS400Mode(card->host, true);
|
|
/* enable DDR mode */
|
|
SDMMCHOST_EnableDDRMode(card->host, true, 0U);
|
|
/* config strobe DLL*/
|
|
SDMMCHOST_EnableStrobeDll(card->host, true);
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_SelectBusTiming(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
/* Legacy mmc card , do not support the command */
|
|
if ((card->csd.systemSpecificationVersion == (uint8_t)kMMC_SpecificationVersion3) &&
|
|
(card->csd.csdStructureVersion == (uint8_t)kMMC_CsdStrucureVersion12))
|
|
{
|
|
return kStatus_Success;
|
|
}
|
|
|
|
do
|
|
{
|
|
if (card->busTiming == kMMC_HighSpeedTimingNone)
|
|
{
|
|
/* if timing not specified, probe card capability from HS400 mode */
|
|
card->busTiming = kMMC_HighSpeed400Timing;
|
|
}
|
|
|
|
if (card->busTiming == kMMC_EnhanceHighSpeed400Timing)
|
|
{
|
|
return kStatus_SDMMC_NotSupportYet;
|
|
}
|
|
|
|
if (card->busTiming == kMMC_HighSpeed400Timing)
|
|
{
|
|
if (((card->host->capability & (uint32_t)kSDMMCHOST_SupportHS400) != 0U) &&
|
|
((card->hostVoltageWindowVCCQ == kMMC_VoltageWindow170to195) ||
|
|
(card->hostVoltageWindowVCCQ == kMMC_VoltageWindow120)) &&
|
|
((card->flags &
|
|
((uint32_t)kMMC_SupportHS400DDR200MHZ180VFlag | (uint32_t)kMMC_SupportHS400DDR200MHZ120VFlag)) != 0U))
|
|
{
|
|
/* switch to HS400 */
|
|
if (kStatus_Success != MMC_SwitchToHS400(card))
|
|
{
|
|
return kStatus_SDMMC_SwitchBusTimingFailed;
|
|
}
|
|
break;
|
|
}
|
|
|
|
card->busTiming = kMMC_HighSpeed200Timing;
|
|
}
|
|
|
|
if (card->busTiming == kMMC_HighSpeed200Timing)
|
|
{
|
|
if (((card->host->capability & (uint32_t)kSDMMCHOST_SupportHS200) != 0U) &&
|
|
((card->hostVoltageWindowVCCQ == kMMC_VoltageWindow170to195) ||
|
|
(card->hostVoltageWindowVCCQ == kMMC_VoltageWindow120)) &&
|
|
(0U != (card->flags &
|
|
((uint32_t)kMMC_SupportHS200200MHZ180VFlag | (uint32_t)kMMC_SupportHS200200MHZ120VFlag))))
|
|
{
|
|
if (kStatus_Success !=
|
|
MMC_SwitchToHS200(card, FSL_SDMMC_CARD_MAX_BUS_FREQ(card->usrParam.maxFreq, MMC_CLOCK_HS200)))
|
|
{
|
|
return kStatus_SDMMC_SwitchBusTimingFailed;
|
|
}
|
|
break;
|
|
}
|
|
|
|
card->busTiming = kMMC_HighSpeedTiming;
|
|
}
|
|
|
|
if (card->busTiming == kMMC_HighSpeedTiming)
|
|
{
|
|
if (kStatus_Success != MMC_SwitchToHighSpeed(card))
|
|
{
|
|
return kStatus_SDMMC_SwitchBusTimingFailed;
|
|
}
|
|
break;
|
|
}
|
|
} while (false);
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static void MMC_DecodeCid(mmc_card_t *card, uint32_t *rawCid)
|
|
{
|
|
assert(card != NULL);
|
|
assert(rawCid != NULL);
|
|
|
|
mmc_cid_t *cid;
|
|
|
|
cid = &(card->cid);
|
|
cid->manufacturerID = (uint8_t)((rawCid[3U] & 0xFF000000U) >> 24U);
|
|
cid->applicationID = (uint16_t)((rawCid[3U] & 0xFFFF00U) >> 8U);
|
|
|
|
cid->productName[0U] = (uint8_t)((rawCid[3U] & 0xFFU));
|
|
cid->productName[1U] = (uint8_t)((rawCid[2U] & 0xFF000000U) >> 24U);
|
|
cid->productName[2U] = (uint8_t)((rawCid[2U] & 0xFF0000U) >> 16U);
|
|
cid->productName[3U] = (uint8_t)((rawCid[2U] & 0xFF00U) >> 8U);
|
|
cid->productName[4U] = (uint8_t)((rawCid[2U] & 0xFFU));
|
|
|
|
cid->productVersion = (uint8_t)((rawCid[1U] & 0xFF000000U) >> 24U);
|
|
|
|
cid->productSerialNumber = (uint32_t)((rawCid[1U] & 0xFFFFFFU) << 8U);
|
|
cid->productSerialNumber |= (uint32_t)((rawCid[0U] & 0xFF000000U) >> 24U);
|
|
|
|
cid->manufacturerData = (uint8_t)((rawCid[0U] & 0xFFF00U) >> 8U);
|
|
}
|
|
|
|
static status_t MMC_AllSendCid(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
sdmmchost_transfer_t content = {0};
|
|
sdmmchost_cmd_t command = {0};
|
|
status_t error = kStatus_Success;
|
|
|
|
command.index = (uint32_t)kSDMMC_AllSendCid;
|
|
command.argument = 0U;
|
|
command.responseType = kCARD_ResponseTypeR2;
|
|
|
|
content.command = &command;
|
|
content.data = NULL;
|
|
error = SDMMCHOST_TransferFunction(card->host, &content);
|
|
if (kStatus_Success == error)
|
|
{
|
|
(void)memcpy(card->internalBuffer, (uint8_t *)command.response, 16U);
|
|
MMC_DecodeCid(card, command.response);
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
static status_t MMC_SendCsd(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
sdmmchost_cmd_t command = {0};
|
|
sdmmchost_transfer_t content = {0};
|
|
status_t error = kStatus_Success;
|
|
|
|
command.index = (uint32_t)kSDMMC_SendCsd;
|
|
command.argument = (card->relativeAddress << 16U);
|
|
command.responseType = kCARD_ResponseTypeR2;
|
|
|
|
content.command = &command;
|
|
content.data = NULL;
|
|
error = SDMMCHOST_TransferFunction(card->host, &content);
|
|
if (kStatus_Success == error)
|
|
{
|
|
(void)memcpy(card->internalBuffer, (uint8_t *)command.response, 16U);
|
|
/* The response is from bit 127:8 in R2, corresponding to command.response[3][31:0] to
|
|
command.response[0U][31:8]. */
|
|
MMC_DecodeCsd(card, (uint32_t *)(uint32_t)card->internalBuffer);
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
static status_t MMC_CheckBlockRange(mmc_card_t *card, uint32_t startBlock, uint32_t blockCount)
|
|
{
|
|
assert(card != NULL);
|
|
assert(blockCount != 0U);
|
|
|
|
status_t error = kStatus_Success;
|
|
uint32_t partitionBlocks;
|
|
|
|
switch (card->currentPartition)
|
|
{
|
|
case kMMC_AccessPartitionUserAera:
|
|
{
|
|
partitionBlocks = card->userPartitionBlocks;
|
|
break;
|
|
}
|
|
case kMMC_AccessPartitionBoot1:
|
|
case kMMC_AccessPartitionBoot2:
|
|
{
|
|
/* Boot partition 1 and partition 2 have the same partition size. */
|
|
partitionBlocks = card->bootPartitionBlocks;
|
|
break;
|
|
}
|
|
default:
|
|
error = kStatus_InvalidArgument;
|
|
break;
|
|
}
|
|
/* Check if the block range accessed is within current partition's block boundary. */
|
|
if ((error == kStatus_Success) && ((startBlock + blockCount) > partitionBlocks))
|
|
{
|
|
error = kStatus_InvalidArgument;
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
static status_t MMC_CheckEraseGroupRange(mmc_card_t *card, uint32_t startGroup, uint32_t endGroup)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
status_t error = kStatus_Success;
|
|
uint32_t partitionBlocks;
|
|
uint32_t eraseGroupBoundary;
|
|
|
|
switch (card->currentPartition)
|
|
{
|
|
case kMMC_AccessPartitionUserAera:
|
|
{
|
|
partitionBlocks = card->userPartitionBlocks;
|
|
break;
|
|
}
|
|
case kMMC_AccessPartitionBoot1:
|
|
case kMMC_AccessPartitionBoot2:
|
|
{
|
|
/* Boot partition 1 and partition 2 have the same partition size. */
|
|
partitionBlocks = card->bootPartitionBlocks;
|
|
break;
|
|
}
|
|
default:
|
|
error = kStatus_InvalidArgument;
|
|
break;
|
|
}
|
|
|
|
if (error == kStatus_Success)
|
|
{
|
|
/* Check if current partition's total block count is integer multiples of the erase group size. */
|
|
if ((partitionBlocks % card->eraseGroupBlocks) == 0U)
|
|
{
|
|
eraseGroupBoundary = (partitionBlocks / card->eraseGroupBlocks);
|
|
}
|
|
else
|
|
{
|
|
/* Card will ignore the unavailable blocks within the last erase group automatically. */
|
|
eraseGroupBoundary = (partitionBlocks / card->eraseGroupBlocks + 1U);
|
|
}
|
|
|
|
/* Check if the group range accessed is within current partition's erase group boundary. */
|
|
if ((startGroup > eraseGroupBoundary) || (endGroup > eraseGroupBoundary))
|
|
{
|
|
error = kStatus_InvalidArgument;
|
|
}
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
static status_t MMC_Read(
|
|
mmc_card_t *card, uint8_t *buffer, uint32_t startBlock, uint32_t blockSize, uint32_t blockCount)
|
|
{
|
|
assert(card != NULL);
|
|
assert(buffer != NULL);
|
|
assert(blockCount != 0U);
|
|
assert(blockSize != 0U);
|
|
assert(blockSize == FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
|
|
sdmmchost_cmd_t command = {0};
|
|
sdmmchost_data_t data = {0};
|
|
sdmmchost_transfer_t content = {0};
|
|
status_t error;
|
|
|
|
if ((((card->flags & (uint32_t)kMMC_SupportHighCapacityFlag) != 0U) && (blockSize != 512U)) ||
|
|
(blockSize > card->blockSize) || (blockSize > card->host->maxBlockSize) || (0U != (blockSize % 4U)))
|
|
{
|
|
return kStatus_SDMMC_CardNotSupport;
|
|
}
|
|
|
|
error = MMC_PollingCardStatusBusy(card, true, MMC_CARD_ACCESS_WAIT_IDLE_TIMEOUT);
|
|
if (kStatus_SDMMC_CardStatusIdle != error)
|
|
{
|
|
SDMMC_LOG("Error : read failed with wrong card status\r\n");
|
|
return kStatus_SDMMC_PollingCardIdleFailed;
|
|
}
|
|
|
|
data.blockSize = blockSize;
|
|
data.blockCount = blockCount;
|
|
data.rxData = (uint32_t *)(uint32_t)buffer;
|
|
data.enableAutoCommand12 = true;
|
|
command.index = (uint32_t)kSDMMC_ReadMultipleBlock;
|
|
if (data.blockCount == 1U)
|
|
{
|
|
command.index = (uint32_t)kSDMMC_ReadSingleBlock;
|
|
}
|
|
else
|
|
{
|
|
if (card->enablePreDefinedBlockCount)
|
|
{
|
|
data.enableAutoCommand12 = false;
|
|
/* If enabled the pre-define count read/write feature of the card, need to set block count firstly. */
|
|
if (kStatus_Success != MMC_SetBlockCount(card, blockCount))
|
|
{
|
|
return kStatus_SDMMC_SetBlockCountFailed;
|
|
}
|
|
}
|
|
}
|
|
command.argument = startBlock;
|
|
if (0U == (card->flags & (uint32_t)kMMC_SupportHighCapacityFlag))
|
|
{
|
|
command.argument *= data.blockSize;
|
|
}
|
|
command.responseType = kCARD_ResponseTypeR1;
|
|
command.responseErrorFlags = SDMMC_R1_ALL_ERROR_FLAG;
|
|
|
|
content.command = &command;
|
|
content.data = &data;
|
|
|
|
/* should check tuning error during every transfer */
|
|
error = MMC_Transfer(card, &content, 3U);
|
|
if (kStatus_Success != error)
|
|
{
|
|
return error;
|
|
}
|
|
|
|
/* When host's AUTO_COMMAND12 feature isn't enabled and PRE_DEFINED_COUNT command isn't enabled in multiple
|
|
blocks transmission, sends STOP_TRANSMISSION command. */
|
|
if ((blockCount > 1U) && (!(data.enableAutoCommand12)) && (!card->enablePreDefinedBlockCount))
|
|
{
|
|
if (kStatus_Success != MMC_StopTransmission(card))
|
|
{
|
|
return kStatus_SDMMC_StopTransmissionFailed;
|
|
}
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_Write(
|
|
mmc_card_t *card, const uint8_t *buffer, uint32_t startBlock, uint32_t blockSize, uint32_t blockCount)
|
|
{
|
|
assert(card != NULL);
|
|
assert(buffer != NULL);
|
|
assert(blockCount != 0U);
|
|
assert(blockSize != 0U);
|
|
assert(blockSize == FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
|
|
sdmmchost_cmd_t command = {0};
|
|
sdmmchost_data_t data = {0};
|
|
sdmmchost_transfer_t content = {0};
|
|
status_t error;
|
|
|
|
/* Check address range */
|
|
if ((((card->flags & (uint32_t)kMMC_SupportHighCapacityFlag) != 0U) && (blockSize != 512U)) ||
|
|
(blockSize > card->blockSize) || (blockSize > card->host->maxBlockSize) || (0U != (blockSize % 4U)))
|
|
{
|
|
return kStatus_SDMMC_CardNotSupport;
|
|
}
|
|
|
|
/* send CMD13 to make sure card is ready for data */
|
|
error = MMC_PollingCardStatusBusy(card, true, MMC_CARD_ACCESS_WAIT_IDLE_TIMEOUT);
|
|
if (kStatus_SDMMC_CardStatusIdle != error)
|
|
{
|
|
SDMMC_LOG("Error : write card busy with wrong card status\r\n");
|
|
return kStatus_SDMMC_PollingCardIdleFailed;
|
|
}
|
|
|
|
data.blockSize = blockSize;
|
|
data.blockCount = blockCount;
|
|
data.txData = (const uint32_t *)(uint32_t)buffer;
|
|
data.enableAutoCommand12 = true;
|
|
|
|
command.index = (uint32_t)kSDMMC_WriteMultipleBlock;
|
|
if (data.blockCount == 1U)
|
|
{
|
|
command.index = (uint32_t)kSDMMC_WriteSingleBlock;
|
|
}
|
|
else
|
|
{
|
|
if (card->enablePreDefinedBlockCount)
|
|
{
|
|
data.enableAutoCommand12 = false;
|
|
/* If enabled the pre-define count read/write featue of the card, need to set block count firstly */
|
|
if (kStatus_Success != MMC_SetBlockCount(card, blockCount))
|
|
{
|
|
return kStatus_SDMMC_SetBlockCountFailed;
|
|
}
|
|
}
|
|
}
|
|
command.argument = startBlock;
|
|
if (0U == (card->flags & (uint32_t)kMMC_SupportHighCapacityFlag))
|
|
{
|
|
command.argument *= blockSize;
|
|
}
|
|
command.responseType = kCARD_ResponseTypeR1;
|
|
command.responseErrorFlags = SDMMC_R1_ALL_ERROR_FLAG;
|
|
|
|
content.command = &command;
|
|
content.data = &data;
|
|
|
|
/* should check tuning error during every transfer */
|
|
error = MMC_Transfer(card, &content, 3U);
|
|
if (kStatus_Success != error)
|
|
{
|
|
return error;
|
|
}
|
|
|
|
/* When host's AUTO_COMMAND12 feature isn't enabled and PRE_DEFINED_COUNT command isn't enabled in multiple
|
|
blocks transmission, sends STOP_TRANSMISSION command. */
|
|
if ((blockCount > 1U) && (!(data.enableAutoCommand12)) && (!card->enablePreDefinedBlockCount))
|
|
{
|
|
if (kStatus_Success != MMC_StopTransmission(card))
|
|
{
|
|
return kStatus_SDMMC_StopTransmissionFailed;
|
|
}
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_ValidateOperationVoltage(mmc_card_t *card, uint32_t *opcode)
|
|
{
|
|
status_t status = kStatus_Fail;
|
|
|
|
if (card->hostVoltageWindowVCC == kMMC_VoltageWindow170to195)
|
|
{
|
|
if ((card->ocr & MMC_OCR_V170TO195_MASK) != 0U)
|
|
{
|
|
*opcode |= MMC_OCR_V170TO195_MASK;
|
|
status = kStatus_Success;
|
|
}
|
|
}
|
|
else if (card->hostVoltageWindowVCC == kMMC_VoltageWindows270to360)
|
|
{
|
|
if ((card->ocr & MMC_OCR_V270TO360_MASK) != 0U)
|
|
{
|
|
*opcode |= MMC_OCR_V270TO360_MASK;
|
|
status = kStatus_Success;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Intentional empty */
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
static status_t mmccard_init(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
assert((card->hostVoltageWindowVCC != kMMC_VoltageWindowNone) &&
|
|
(card->hostVoltageWindowVCC != kMMC_VoltageWindow120));
|
|
assert(card->hostVoltageWindowVCCQ != kMMC_VoltageWindowNone);
|
|
|
|
uint32_t opcode = 0U;
|
|
status_t error = kStatus_Success;
|
|
|
|
if (!card->isHostReady)
|
|
{
|
|
return kStatus_SDMMC_HostNotReady;
|
|
}
|
|
/* set DATA bus width */
|
|
SDMMCHOST_SetCardBusWidth(card->host, kSDMMC_BusWdith1Bit);
|
|
/* Set clock to 400KHz. */
|
|
card->busClock_Hz = SDMMCHOST_SetCardClock(card->host, SDMMC_CLOCK_400KHZ);
|
|
|
|
error = MMC_GoIdle(card);
|
|
/* Send CMD0 to reset the bus */
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_GoIdleFailed;
|
|
}
|
|
|
|
/* Hand-shaking with card to validata the voltage range Host first sending its expected
|
|
information.*/
|
|
error = MMC_SendOperationCondition(card, 0U);
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_HandShakeOperationConditionFailed;
|
|
}
|
|
|
|
error = MMC_ValidateOperationVoltage(card, &opcode);
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_InvalidVoltage;
|
|
}
|
|
|
|
/* Get host's access mode. */
|
|
opcode |= (card->host->maxBlockSize >= FSL_SDMMC_DEFAULT_BLOCK_SIZE ?
|
|
(uint32_t)kMMC_AccessModeSector << MMC_OCR_ACCESS_MODE_SHIFT :
|
|
(uint32_t)kMMC_AccessModeByte << MMC_OCR_ACCESS_MODE_SHIFT);
|
|
|
|
error = MMC_SendOperationCondition(card, opcode);
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_HandShakeOperationConditionFailed;
|
|
}
|
|
|
|
/* Get card CID */
|
|
error = MMC_AllSendCid(card);
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_AllSendCidFailed;
|
|
}
|
|
|
|
error = MMC_SetRelativeAddress(card);
|
|
/* Set the card relative address */
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_SetRelativeAddressFailed;
|
|
}
|
|
|
|
error = MMC_SendCsd(card);
|
|
/* Get the CSD register content */
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_SendCsdFailed;
|
|
}
|
|
|
|
/* Set to maximum speed in normal mode. */
|
|
MMC_SetMaxFrequency(card);
|
|
|
|
/* Send CMD7 with the card's relative address to place the card in transfer state. Puts current selected card in
|
|
transfer state. */
|
|
error = MMC_SelectCard(card, true);
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_SelectCardFailed;
|
|
}
|
|
|
|
/* Get Extended CSD register content. */
|
|
error = MMC_SendExtendedCsd(card, NULL, 0U);
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_SendExtendedCsdFailed;
|
|
}
|
|
|
|
error = MMC_SetMaxEraseUnitSize(card);
|
|
/* Set to max erase unit size */
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_EnableHighCapacityEraseFailed;
|
|
}
|
|
|
|
error = MMC_SetBlockSize(card, FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
/* set block size */
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_SetCardBlockSizeFailed;
|
|
}
|
|
|
|
error = MMC_SelectBusTiming(card);
|
|
/* switch to host support speed mode, then switch MMC data bus width and select power class */
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_SwitchBusTimingFailed;
|
|
}
|
|
|
|
error = MMC_SetPowerClass(card);
|
|
/* switch power class */
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_SetPowerClassFail;
|
|
}
|
|
|
|
/* trying to enable the cache */
|
|
(void)MMC_EnableCacheControl(card, true);
|
|
|
|
/* Set card default to access non-boot partition */
|
|
card->currentPartition = kMMC_AccessPartitionUserAera;
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
status_t MMC_CardInit(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
status_t error = kStatus_Success;
|
|
/* create mutex lock */
|
|
(void)SDMMC_OSAMutexCreate(&card->lock);
|
|
(void)SDMMC_OSAMutexLock(&card->lock, osaWaitForever_c);
|
|
|
|
error = mmccard_init(card);
|
|
|
|
(void)SDMMC_OSAMutexUnlock(&card->lock);
|
|
|
|
return error;
|
|
}
|
|
|
|
void MMC_CardDeinit(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
(void)SDMMC_OSAMutexLock(&card->lock, osaWaitForever_c);
|
|
|
|
(void)MMC_SelectCard(card, false);
|
|
|
|
(void)SDMMC_OSAMutexDestroy(&card->lock);
|
|
}
|
|
|
|
status_t MMC_HostInit(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
if (!card->isHostReady)
|
|
{
|
|
if (SDMMCHOST_Init(card->host) != kStatus_Success)
|
|
{
|
|
return kStatus_Fail;
|
|
}
|
|
}
|
|
|
|
/* set the host status flag, after the card re-plug in, don't need init host again */
|
|
card->isHostReady = true;
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
void MMC_HostDeinit(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
SDMMCHOST_Deinit(card->host);
|
|
/* should re-init host */
|
|
card->isHostReady = false;
|
|
}
|
|
|
|
void MMC_HostReset(SDMMCHOST_CONFIG *host)
|
|
{
|
|
SDMMCHOST_Reset(host);
|
|
}
|
|
|
|
void MMC_HostDoReset(mmc_card_t *card)
|
|
{
|
|
SDMMCHOST_Reset(card->host);
|
|
}
|
|
|
|
void MMC_SetCardPower(mmc_card_t *card, bool enable)
|
|
{
|
|
SDMMCHOST_SetCardPower(card->host, enable);
|
|
SDMMC_OSADelay(MMC_POWER_RESET_DELAY);
|
|
}
|
|
|
|
status_t MMC_Init(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
status_t error = kStatus_Success;
|
|
|
|
if (!card->isHostReady)
|
|
{
|
|
if (MMC_HostInit(card) != kStatus_Success)
|
|
{
|
|
error = kStatus_SDMMC_HostNotReady;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* reset the host */
|
|
MMC_HostDoReset(card);
|
|
}
|
|
|
|
if (error == kStatus_Success)
|
|
{
|
|
/* reset card power */
|
|
MMC_SetCardPower(card, false);
|
|
MMC_SetCardPower(card, true);
|
|
|
|
error = MMC_CardInit(card);
|
|
if (error != kStatus_Success)
|
|
{
|
|
error = kStatus_SDMMC_CardInitFailed;
|
|
}
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
void MMC_Deinit(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
MMC_CardDeinit(card);
|
|
MMC_HostDeinit(card);
|
|
}
|
|
|
|
bool MMC_CheckReadOnly(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
return (((card->csd.flags & (uint16_t)kMMC_CsdPermanentWriteProtectFlag) != 0U) ||
|
|
((card->csd.flags & (uint16_t)kMMC_CsdTemporaryWriteProtectFlag) != 0U));
|
|
}
|
|
|
|
status_t MMC_SelectPartition(mmc_card_t *card, mmc_access_partition_t partitionNumber)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
uint8_t bootConfig;
|
|
mmc_extended_csd_config_t extendedCsdconfig;
|
|
status_t error = kStatus_Success;
|
|
|
|
(void)SDMMC_OSAMutexLock(&card->lock, osaWaitForever_c);
|
|
|
|
bootConfig = card->extendedCsd.partitionConfig;
|
|
bootConfig &= ~(uint8_t)MMC_PARTITION_CONFIG_PARTITION_ACCESS_MASK;
|
|
bootConfig |= ((uint8_t)partitionNumber << MMC_PARTITION_CONFIG_PARTITION_ACCESS_SHIFT);
|
|
|
|
extendedCsdconfig.accessMode = kMMC_ExtendedCsdAccessModeWriteBits;
|
|
extendedCsdconfig.ByteIndex = (uint8_t)kMMC_ExtendedCsdIndexPartitionConfig;
|
|
extendedCsdconfig.ByteValue = bootConfig;
|
|
extendedCsdconfig.commandSet = kMMC_CommandSetStandard;
|
|
if (kStatus_Success !=
|
|
MMC_SetExtendedCsdConfig(card, &extendedCsdconfig, (uint32_t)card->extendedCsd.partitionSwitchTimeout * 10U))
|
|
{
|
|
error = kStatus_SDMMC_ConfigureExtendedCsdFailed;
|
|
}
|
|
else
|
|
{
|
|
/* Save current configuration. */
|
|
card->extendedCsd.partitionConfig = bootConfig;
|
|
card->currentPartition = partitionNumber;
|
|
}
|
|
|
|
(void)SDMMC_OSAMutexUnlock(&card->lock);
|
|
|
|
return error;
|
|
}
|
|
|
|
status_t MMC_ReadBlocks(mmc_card_t *card, uint8_t *buffer, uint32_t startBlock, uint32_t blockCount)
|
|
{
|
|
assert(card != NULL);
|
|
assert(buffer != NULL);
|
|
assert(blockCount != 0U);
|
|
|
|
uint32_t blockCountOneTime; /* The block count can be erased in one time sending READ_BLOCKS command. */
|
|
uint32_t blockDone; /* The blocks has been read. */
|
|
uint32_t blockLeft; /* Left blocks to be read. */
|
|
uint8_t *nextBuffer;
|
|
bool dataAddrAlign = true;
|
|
uint8_t *alignBuffer = (uint8_t *)FSL_SDMMC_CARD_INTERNAL_BUFFER_ALIGN_ADDR(card->internalBuffer);
|
|
status_t error = kStatus_Success;
|
|
|
|
(void)SDMMC_OSAMutexLock(&card->lock, osaWaitForever_c);
|
|
|
|
blockLeft = blockCount;
|
|
blockDone = 0U;
|
|
error = MMC_CheckBlockRange(card, startBlock, blockCount);
|
|
if (kStatus_Success != error)
|
|
{
|
|
error = kStatus_InvalidArgument;
|
|
}
|
|
else
|
|
{
|
|
while (blockLeft != 0U)
|
|
{
|
|
nextBuffer = (uint8_t *)((uint32_t)buffer + blockDone * FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
if (!card->noInteralAlign && (!dataAddrAlign || ((((uint32_t)nextBuffer) & (sizeof(uint32_t) - 1U)) != 0U)))
|
|
{
|
|
blockLeft--;
|
|
blockCountOneTime = 1U;
|
|
(void)memset(alignBuffer, 0, FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
dataAddrAlign = false;
|
|
}
|
|
else
|
|
{
|
|
if (blockLeft > card->host->maxBlockCount)
|
|
{
|
|
blockLeft = (blockLeft - card->host->maxBlockCount);
|
|
blockCountOneTime = card->host->maxBlockCount;
|
|
}
|
|
else
|
|
{
|
|
blockCountOneTime = blockLeft;
|
|
blockLeft = 0U;
|
|
}
|
|
}
|
|
|
|
error = MMC_Read(card, dataAddrAlign ? nextBuffer : (uint8_t *)alignBuffer, (startBlock + blockDone),
|
|
FSL_SDMMC_DEFAULT_BLOCK_SIZE, blockCountOneTime);
|
|
if (kStatus_Success != error)
|
|
{
|
|
error = kStatus_SDMMC_TransferFailed;
|
|
break;
|
|
}
|
|
|
|
blockDone += blockCountOneTime;
|
|
|
|
if (!card->noInteralAlign && (!dataAddrAlign))
|
|
{
|
|
(void)memcpy(nextBuffer, alignBuffer, FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
}
|
|
}
|
|
}
|
|
|
|
(void)SDMMC_OSAMutexUnlock(&card->lock);
|
|
|
|
return error;
|
|
}
|
|
|
|
status_t MMC_WriteBlocks(mmc_card_t *card, const uint8_t *buffer, uint32_t startBlock, uint32_t blockCount)
|
|
{
|
|
assert(card != NULL);
|
|
assert(buffer != NULL);
|
|
assert(blockCount != 0U);
|
|
|
|
uint32_t blockCountOneTime;
|
|
uint32_t blockLeft;
|
|
uint32_t blockDone;
|
|
const uint8_t *nextBuffer;
|
|
bool dataAddrAlign = true;
|
|
uint8_t *alignBuffer = (uint8_t *)FSL_SDMMC_CARD_INTERNAL_BUFFER_ALIGN_ADDR(card->internalBuffer);
|
|
status_t error = kStatus_Success;
|
|
|
|
(void)SDMMC_OSAMutexLock(&card->lock, osaWaitForever_c);
|
|
|
|
blockLeft = blockCount;
|
|
blockDone = 0U;
|
|
|
|
error = MMC_CheckBlockRange(card, startBlock, blockCount);
|
|
if (kStatus_Success != error)
|
|
{
|
|
error = kStatus_InvalidArgument;
|
|
}
|
|
else
|
|
{
|
|
while (blockLeft != 0U)
|
|
{
|
|
nextBuffer = (uint8_t *)((uint32_t)buffer + blockDone * FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
if (!card->noInteralAlign && (!dataAddrAlign || (0U != (((uint32_t)nextBuffer) & (sizeof(uint32_t) - 1U)))))
|
|
{
|
|
blockLeft--;
|
|
blockCountOneTime = 1U;
|
|
(void)memcpy(alignBuffer, nextBuffer, FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
dataAddrAlign = false;
|
|
}
|
|
else
|
|
{
|
|
if (blockLeft > card->host->maxBlockCount)
|
|
{
|
|
blockLeft = (blockLeft - card->host->maxBlockCount);
|
|
blockCountOneTime = card->host->maxBlockCount;
|
|
}
|
|
else
|
|
{
|
|
blockCountOneTime = blockLeft;
|
|
blockLeft = 0U;
|
|
}
|
|
}
|
|
error = MMC_Write(card, dataAddrAlign ? nextBuffer : (uint8_t *)alignBuffer, (startBlock + blockDone),
|
|
FSL_SDMMC_DEFAULT_BLOCK_SIZE, blockCountOneTime);
|
|
if (kStatus_Success != error)
|
|
{
|
|
error = kStatus_SDMMC_TransferFailed;
|
|
break;
|
|
}
|
|
|
|
blockDone += blockCountOneTime;
|
|
if (!card->noInteralAlign && (!dataAddrAlign))
|
|
{
|
|
(void)memset(alignBuffer, 0, FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
}
|
|
}
|
|
}
|
|
|
|
(void)SDMMC_OSAMutexUnlock(&card->lock);
|
|
|
|
return error;
|
|
}
|
|
|
|
status_t MMC_EnableCacheControl(mmc_card_t *card, bool enable)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
uint8_t cacheCtrl = 0;
|
|
|
|
mmc_extended_csd_config_t extendedCsdconfig;
|
|
|
|
/* check the target driver strength support or not */
|
|
if (card->extendedCsd.cacheSize == 0U)
|
|
{
|
|
SDMMC_LOG("The cache is not supported by the mmc device\r\n");
|
|
return kStatus_SDMMC_NotSupportYet;
|
|
}
|
|
|
|
if (enable)
|
|
{
|
|
cacheCtrl = MMC_CACHE_CONTROL_ENABLE;
|
|
}
|
|
|
|
/* Switch to high speed timing. */
|
|
extendedCsdconfig.accessMode = kMMC_ExtendedCsdAccessModeWriteBits;
|
|
extendedCsdconfig.ByteIndex = (uint8_t)kMMC_ExtendedCsdIndexCacheControl;
|
|
extendedCsdconfig.ByteValue = cacheCtrl;
|
|
extendedCsdconfig.commandSet = kMMC_CommandSetStandard;
|
|
if (kStatus_Success != MMC_SetExtendedCsdConfig(card, &extendedCsdconfig, 0U))
|
|
{
|
|
SDMMC_LOG("cache enabled failed\r\n");
|
|
return kStatus_SDMMC_ConfigureExtendedCsdFailed;
|
|
}
|
|
|
|
card->extendedCsd.cacheCtrl = cacheCtrl;
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
status_t MMC_FlushCache(mmc_card_t *card)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
mmc_extended_csd_config_t extendedCsdconfig;
|
|
status_t error = kStatus_Success;
|
|
|
|
/* check the target driver strength support or not */
|
|
if ((card->extendedCsd.cacheSize == 0U) || (card->extendedCsd.cacheCtrl != MMC_CACHE_CONTROL_ENABLE))
|
|
{
|
|
SDMMC_LOG("The cache is not supported or not enabled, please check\r\n");
|
|
error = kStatus_SDMMC_NotSupportYet;
|
|
}
|
|
else
|
|
{
|
|
/* Switch to high speed timing. */
|
|
extendedCsdconfig.accessMode = kMMC_ExtendedCsdAccessModeWriteBits;
|
|
extendedCsdconfig.ByteIndex = (uint8_t)kMMC_ExtendedCsdIndexFlushCache;
|
|
extendedCsdconfig.ByteValue = MMC_CACHE_TRIGGER_FLUSH;
|
|
extendedCsdconfig.commandSet = kMMC_CommandSetStandard;
|
|
if (kStatus_Success != MMC_SetExtendedCsdConfig(card, &extendedCsdconfig, 0U))
|
|
{
|
|
SDMMC_LOG("cache flush failed\r\n");
|
|
error = kStatus_SDMMC_ConfigureExtendedCsdFailed;
|
|
}
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
status_t MMC_SetSleepAwake(mmc_card_t *card, mmc_sleep_awake_t state)
|
|
{
|
|
assert(card != NULL);
|
|
status_t error = kStatus_Success;
|
|
|
|
sdmmchost_cmd_t command = {0};
|
|
sdmmchost_transfer_t content = {0};
|
|
|
|
if (card->extendedCsd.extendecCsdVersion <=
|
|
(uint32_t)kMMC_ExtendedCsdRevision13) /* V4.3 or above version card support boot mode */
|
|
{
|
|
return kStatus_SDMMC_NotSupportYet;
|
|
}
|
|
|
|
error = MMC_PollingCardStatusBusy(card, false, MMC_CARD_ACCESS_WAIT_IDLE_TIMEOUT);
|
|
if (kStatus_SDMMC_CardStatusIdle != error)
|
|
{
|
|
return kStatus_SDMMC_PollingCardIdleFailed;
|
|
}
|
|
|
|
/* deselect the card before enter into sleep state */
|
|
if (state == kMMC_Sleep)
|
|
{
|
|
if (MMC_SelectCard(card, false) != kStatus_Success)
|
|
{
|
|
return kStatus_SDMMC_DeselectCardFailed;
|
|
}
|
|
}
|
|
|
|
command.index = (uint32_t)kMMC_SleepAwake;
|
|
command.argument = ((uint32_t)state << 15U) | (card->relativeAddress << 16U);
|
|
command.responseType = kCARD_ResponseTypeR1b;
|
|
|
|
content.command = &command;
|
|
content.data = NULL;
|
|
|
|
error = MMC_Transfer(card, &content, 0U);
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
/* Sleep awake timeout value 100ns * 2^sleepAwakeTimeout */
|
|
error = MMC_PollingCardStatusBusy(card, false, (1UL << card->extendedCsd.sleepAwakeTimeout) / 10000U);
|
|
if (kStatus_SDMMC_CardStatusIdle != error)
|
|
{
|
|
return kStatus_SDMMC_PollingCardIdleFailed;
|
|
}
|
|
|
|
/* select the card after wake up */
|
|
if (state == kMMC_Awake)
|
|
{
|
|
if (MMC_SelectCard(card, true) != kStatus_Success)
|
|
{
|
|
return kStatus_SDMMC_SelectCardFailed;
|
|
}
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
static status_t MMC_Erase(mmc_card_t *card, uint32_t startGroupAddress, uint32_t endGroupAddress)
|
|
{
|
|
sdmmchost_cmd_t command = {0};
|
|
sdmmchost_transfer_t content = {0};
|
|
status_t error = kStatus_Success;
|
|
|
|
/* Set the start erase group address */
|
|
command.index = (uint32_t)kMMC_EraseGroupStart;
|
|
command.argument = startGroupAddress;
|
|
command.responseType = kCARD_ResponseTypeR1;
|
|
command.responseErrorFlags = SDMMC_R1_ALL_ERROR_FLAG;
|
|
|
|
content.command = &command;
|
|
content.data = NULL;
|
|
error = MMC_Transfer(card, &content, 0U);
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
/* Set the end erase group address */
|
|
command.index = (uint32_t)kMMC_EraseGroupEnd;
|
|
command.argument = endGroupAddress;
|
|
|
|
content.command = &command;
|
|
content.data = NULL;
|
|
error = MMC_Transfer(card, &content, 0U);
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
/* Start the erase process */
|
|
command.index = (uint32_t)kSDMMC_Erase;
|
|
command.argument = 0U;
|
|
command.responseType = kCARD_ResponseTypeR1b;
|
|
command.responseErrorFlags = SDMMC_R1_ALL_ERROR_FLAG;
|
|
|
|
content.command = &command;
|
|
content.data = NULL;
|
|
error = MMC_Transfer(card, &content, 0U);
|
|
if (kStatus_Success != error)
|
|
{
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
status_t MMC_EraseGroups(mmc_card_t *card, uint32_t startGroup, uint32_t endGroup)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
uint32_t startGroupAddress;
|
|
uint32_t endGroupAddress;
|
|
status_t error = kStatus_Success;
|
|
uint32_t eraseTimeout = MMC_CARD_ACCESS_WAIT_IDLE_TIMEOUT;
|
|
|
|
(void)SDMMC_OSAMutexLock(&card->lock, osaWaitForever_c);
|
|
|
|
error = MMC_CheckEraseGroupRange(card, startGroup, endGroup);
|
|
if (kStatus_Success != error)
|
|
{
|
|
error = kStatus_InvalidArgument;
|
|
}
|
|
else
|
|
{
|
|
error = MMC_PollingCardStatusBusy(card, true, 0U);
|
|
if (error != kStatus_SDMMC_CardStatusIdle)
|
|
{
|
|
error = kStatus_SDMMC_PollingCardIdleFailed;
|
|
}
|
|
}
|
|
|
|
if (error == kStatus_SDMMC_CardStatusIdle)
|
|
{
|
|
/* Calculate the start group address and end group address */
|
|
startGroupAddress = startGroup;
|
|
endGroupAddress = endGroup;
|
|
if ((card->flags & (uint32_t)kMMC_SupportHighCapacityFlag) != 0U)
|
|
{
|
|
/* The implementation of a higher than 2GB of density of memory will not be backwards compatible with the
|
|
lower densities.First of all the address argument for higher than 2GB of density of memory is changed to
|
|
be sector address (512B sectors) instead of byte address */
|
|
startGroupAddress = (startGroupAddress * (card->eraseGroupBlocks));
|
|
endGroupAddress = (endGroupAddress * (card->eraseGroupBlocks));
|
|
}
|
|
else
|
|
{
|
|
/* The address unit is byte when card capacity is lower than 2GB */
|
|
startGroupAddress = (startGroupAddress * (card->eraseGroupBlocks) * FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
endGroupAddress = (endGroupAddress * (card->eraseGroupBlocks) * FSL_SDMMC_DEFAULT_BLOCK_SIZE);
|
|
}
|
|
|
|
error = MMC_Erase(card, startGroupAddress, endGroupAddress);
|
|
if (error == kStatus_Success)
|
|
{
|
|
if ((0U != (card->flags & (uint32_t)kMMC_SupportHighCapacityFlag)) &&
|
|
(card->extendedCsd.highCapacityEraseTimeout != 0U))
|
|
{
|
|
eraseTimeout =
|
|
(uint32_t)card->extendedCsd.highCapacityEraseTimeout * 300U * (endGroup - startGroup + 1U);
|
|
}
|
|
|
|
error = MMC_PollingCardStatusBusy(card, true, eraseTimeout);
|
|
if (kStatus_SDMMC_CardStatusIdle != error)
|
|
{
|
|
error = kStatus_SDMMC_PollingCardIdleFailed;
|
|
}
|
|
else
|
|
{
|
|
error = kStatus_Success;
|
|
}
|
|
}
|
|
}
|
|
|
|
(void)SDMMC_OSAMutexUnlock(&card->lock);
|
|
|
|
return error;
|
|
}
|
|
|
|
status_t MMC_SetBootConfigWP(mmc_card_t *card, uint8_t wp)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
mmc_extended_csd_config_t extendedCsdconfig;
|
|
extendedCsdconfig.accessMode = kMMC_ExtendedCsdAccessModeWriteBits;
|
|
extendedCsdconfig.ByteIndex = (uint8_t)kMMC_ExtendedCsdIndexBootConfigWP;
|
|
extendedCsdconfig.ByteValue = wp;
|
|
extendedCsdconfig.commandSet = kMMC_CommandSetStandard;
|
|
if (kStatus_Success != MMC_SetExtendedCsdConfig(card, &extendedCsdconfig, 0U))
|
|
{
|
|
return kStatus_SDMMC_ConfigureExtendedCsdFailed;
|
|
}
|
|
|
|
card->extendedCsd.bootConfigProtect = wp;
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
status_t MMC_SetBootPartitionWP(mmc_card_t *card, mmc_boot_partition_wp_t bootPartitionWP)
|
|
{
|
|
assert(card != NULL);
|
|
|
|
mmc_extended_csd_config_t extendedCsdconfig;
|
|
extendedCsdconfig.accessMode = kMMC_ExtendedCsdAccessModeWriteBits;
|
|
extendedCsdconfig.ByteIndex = (uint8_t)kMMC_ExtendedCsdIndexBootPartitionWP;
|
|
extendedCsdconfig.ByteValue = (uint8_t)bootPartitionWP;
|
|
extendedCsdconfig.commandSet = kMMC_CommandSetStandard;
|
|
if (kStatus_Success != MMC_SetExtendedCsdConfig(card, &extendedCsdconfig, 0U))
|
|
{
|
|
return kStatus_SDMMC_ConfigureExtendedCsdFailed;
|
|
}
|
|
|
|
card->extendedCsd.bootPartitionWP = (uint8_t)bootPartitionWP;
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
status_t MMC_SetBootConfig(mmc_card_t *card, const mmc_boot_config_t *config)
|
|
{
|
|
assert(card != NULL);
|
|
assert(config != NULL);
|
|
|
|
uint8_t bootParameter;
|
|
uint8_t bootBusWidth = (uint8_t)config->bootDataBusWidth;
|
|
mmc_extended_csd_config_t extendedCsdconfig;
|
|
|
|
if (card->extendedCsd.extendecCsdVersion <=
|
|
(uint32_t)kMMC_ExtendedCsdRevision13) /* V4.3 or above version card support boot mode */
|
|
{
|
|
return kStatus_SDMMC_NotSupportYet;
|
|
}
|
|
|
|
/* Set the BOOT_CONFIG field of Extended CSD */
|
|
bootParameter = card->extendedCsd.partitionConfig;
|
|
bootParameter &=
|
|
~((uint8_t)MMC_PARTITION_CONFIG_BOOT_ACK_MASK | (uint8_t)MMC_PARTITION_CONFIG_PARTITION_ENABLE_MASK);
|
|
bootParameter |= ((config->enableBootAck ? 1U : 0U) << MMC_PARTITION_CONFIG_BOOT_ACK_SHIFT);
|
|
bootParameter |= ((uint8_t)(config->bootPartition) << MMC_PARTITION_CONFIG_PARTITION_ENABLE_SHIFT);
|
|
|
|
extendedCsdconfig.accessMode = kMMC_ExtendedCsdAccessModeWriteBits;
|
|
extendedCsdconfig.ByteIndex = (uint8_t)kMMC_ExtendedCsdIndexPartitionConfig;
|
|
extendedCsdconfig.ByteValue = bootParameter;
|
|
extendedCsdconfig.commandSet = kMMC_CommandSetStandard;
|
|
if (kStatus_Success != MMC_SetExtendedCsdConfig(card, &extendedCsdconfig, 0U))
|
|
{
|
|
return kStatus_SDMMC_ConfigureExtendedCsdFailed;
|
|
}
|
|
|
|
card->extendedCsd.partitionConfig = bootParameter;
|
|
|
|
/* data bus remapping */
|
|
if (bootBusWidth == (uint8_t)kMMC_DataBusWidth1bit)
|
|
{
|
|
bootBusWidth = 0U;
|
|
}
|
|
else if ((bootBusWidth == (uint8_t)kMMC_DataBusWidth4bit) || (bootBusWidth == (uint8_t)kMMC_DataBusWidth4bitDDR))
|
|
{
|
|
bootBusWidth = 1U;
|
|
}
|
|
else
|
|
{
|
|
bootBusWidth = 2U;
|
|
}
|
|
|
|
/*Set BOOT_BUS_CONDITIONS in Extended CSD */
|
|
bootParameter = card->extendedCsd.bootDataBusConditions;
|
|
bootParameter &= (uint8_t) ~(MMC_BOOT_BUS_CONDITION_RESET_BUS_CONDITION_MASK |
|
|
MMC_BOOT_BUS_CONDITION_BUS_WIDTH_MASK | MMC_BOOT_BUS_CONDITION_BOOT_MODE_MASK);
|
|
bootParameter |=
|
|
(uint8_t)((config->retainBootbusCondition ? 1U : 0U) << MMC_BOOT_BUS_CONDITION_RESET_BUS_CONDITION_SHIFT);
|
|
bootParameter |= bootBusWidth << MMC_BOOT_BUS_CONDITION_BUS_WIDTH_SHIFT;
|
|
bootParameter |= ((uint8_t)(config->bootTimingMode) << MMC_BOOT_BUS_CONDITION_BOOT_MODE_SHIFT) &
|
|
MMC_BOOT_BUS_CONDITION_BOOT_MODE_MASK;
|
|
|
|
extendedCsdconfig.accessMode = kMMC_ExtendedCsdAccessModeWriteBits;
|
|
extendedCsdconfig.ByteIndex = (uint8_t)kMMC_ExtendedCsdIndexBootBusConditions;
|
|
extendedCsdconfig.ByteValue = bootParameter;
|
|
if (kStatus_Success != MMC_SetExtendedCsdConfig(card, &extendedCsdconfig, 0U))
|
|
{
|
|
return kStatus_SDMMC_ConfigureBootFailed;
|
|
}
|
|
|
|
card->extendedCsd.bootDataBusConditions = bootParameter;
|
|
/* check and configure the boot config write protect */
|
|
bootParameter = (uint8_t)config->pwrBootConfigProtection | (((uint8_t)config->premBootConfigProtection) << 4U);
|
|
if (bootParameter != (card->extendedCsd.bootConfigProtect))
|
|
{
|
|
if (kStatus_Success != MMC_SetBootConfigWP(card, bootParameter))
|
|
{
|
|
return kStatus_SDMMC_ConfigureBootFailed;
|
|
}
|
|
}
|
|
/* check and configure the boot partition write protect */
|
|
if (card->extendedCsd.bootPartitionWP != (uint8_t)(config->bootPartitionWP))
|
|
{
|
|
if (kStatus_Success != MMC_SetBootPartitionWP(card, config->bootPartitionWP))
|
|
{
|
|
return kStatus_SDMMC_ConfigureBootFailed;
|
|
}
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
status_t MMC_StartBoot(mmc_card_t *card,
|
|
const mmc_boot_config_t *mmcConfig,
|
|
uint8_t *buffer,
|
|
sdmmchost_boot_config_t *hostConfig)
|
|
{
|
|
assert(card != NULL);
|
|
assert(mmcConfig != NULL);
|
|
assert(buffer != NULL);
|
|
|
|
sdmmchost_cmd_t command = {0};
|
|
uint32_t tempClock = 0U;
|
|
|
|
if (!card->isHostReady)
|
|
{
|
|
return kStatus_Fail;
|
|
}
|
|
|
|
/* send card active */
|
|
SDMMCHOST_SendCardActive(card->host);
|
|
/* enable MMC boot */
|
|
SDMMCHOST_EnableBoot(card->host, true);
|
|
|
|
if (mmcConfig->bootTimingMode == kMMC_BootModeSDRWithDefaultTiming)
|
|
{
|
|
/* Set clock to 400KHz. */
|
|
tempClock = SDMMC_CLOCK_400KHZ;
|
|
}
|
|
else
|
|
{
|
|
/* Set clock to 52MHZ. */
|
|
tempClock = MMC_CLOCK_52MHZ;
|
|
}
|
|
(void)SDMMCHOST_SetCardClock(card->host, tempClock);
|
|
|
|
if (((card->host->capability & (uint32_t)kSDMMCHOST_SupportDDRMode) != 0U) &&
|
|
(mmcConfig->bootTimingMode == kMMC_BootModeDDRTiming))
|
|
{
|
|
/* enable DDR mode */
|
|
SDMMCHOST_EnableDDRMode(card->host, true, 0U);
|
|
}
|
|
|
|
/* data bus remapping */
|
|
if (mmcConfig->bootDataBusWidth == kMMC_DataBusWidth1bit)
|
|
{
|
|
SDMMCHOST_SetCardBusWidth(card->host, kSDMMC_BusWdith1Bit);
|
|
}
|
|
else if ((mmcConfig->bootDataBusWidth == kMMC_DataBusWidth4bit) ||
|
|
(mmcConfig->bootDataBusWidth == kMMC_DataBusWidth4bitDDR))
|
|
{
|
|
SDMMCHOST_SetCardBusWidth(card->host, kSDMMC_BusWdith4Bit);
|
|
}
|
|
else
|
|
{
|
|
SDMMCHOST_SetCardBusWidth(card->host, kSDMMC_BusWdith8Bit);
|
|
}
|
|
|
|
if (kMMC_BootModeAlternative == mmcConfig->bootMode)
|
|
{
|
|
/* alternative boot mode */
|
|
command.argument = 0xFFFFFFFAU;
|
|
}
|
|
|
|
command.index = (uint32_t)kSDMMC_GoIdleState;
|
|
|
|
/* should check tuning error during every transfer*/
|
|
if (kStatus_Success != SDMMCHOST_StartBoot(card->host, hostConfig, &command, buffer))
|
|
{
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
status_t MMC_ReadBootData(mmc_card_t *card, uint8_t *buffer, sdmmchost_boot_config_t *hostConfig)
|
|
{
|
|
assert(card != NULL);
|
|
assert(buffer != NULL);
|
|
|
|
/* should check tuning error during every transfer*/
|
|
if (kStatus_Success != SDMMCHOST_ReadBootData(card->host, hostConfig, buffer))
|
|
{
|
|
return kStatus_SDMMC_TransferFailed;
|
|
}
|
|
|
|
return kStatus_Success;
|
|
}
|
|
|
|
status_t MMC_StopBoot(mmc_card_t *card, uint32_t bootMode)
|
|
{
|
|
assert(card != NULL);
|
|
/* Disable boot mode */
|
|
if ((uint32_t)kMMC_BootModeAlternative == bootMode)
|
|
{
|
|
/* Send CMD0 to reset the bus */
|
|
if (kStatus_Success != MMC_GoIdle(card))
|
|
{
|
|
return kStatus_SDMMC_GoIdleFailed;
|
|
}
|
|
}
|
|
/* disable MMC boot */
|
|
SDMMCHOST_EnableBoot(card->host, false);
|
|
|
|
return kStatus_Success;
|
|
}
|