fsl_ftfx_flexnvm.h

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/*
* The Clear BSD License
* Copyright 2013-2016 Freescale Semiconductor, Inc.
* Copyright 2016-2018 NXP
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted (subject to the limitations in the
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*
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*   notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
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*
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#ifndef _FSL_FTFX_FLEXNVM_H_
#define _FSL_FTFX_FLEXNVM_H_
 
#include "fsl_ftfx_controller.h"
 
/*!
 * @addtogroup ftfx_flexnvm_driver
 * @{
 */
/*******************************************************************************
 * Definitions
 ******************************************************************************/
 
/*!
 * @name Flexnvm version
 * @{
 */
/*! @brief Flexnvm driver version for SDK*/
#define FSL_FLEXNVM_DRIVER_VERSION (MAKE_VERSION(3, 0, 0)) /*!< Version 1.0.0. */
/*@}*/
 
/*!
 * @brief Enumeration for various flexnvm properties.
 */
typedef enum _flexnvm_property_tag
{
    kFLEXNVM_PropertyDflashSectorSize = 0x00U,         /*!< Dflash sector size property.*/
    kFLEXNVM_PropertyDflashTotalSize = 0x01U,          /*!< Dflash total size property.*/
    kFLEXNVM_PropertyDflashBlockSize = 0x02U,          /*!< Dflash block size property.*/
    kFLEXNVM_PropertyDflashBlockCount = 0x03U,         /*!< Dflash block count property.*/
    kFLEXNVM_PropertyDflashBlockBaseAddr = 0x04U,      /*!< Dflash block base address property.*/
    kFLEXNVM_PropertyFlexRamBlockBaseAddr = 0x05U,     /*!< FlexRam block base address property.*/
    kFLEXNVM_PropertyFlexRamTotalSize = 0x06U,         /*!< FlexRam total size property.*/
    kFLEXNVM_PropertyEepromTotalSize = 0x07U,          /*!< EEPROM total size property.*/
} flexnvm_property_tag_t;
 
/*! @brief Flexnvm driver state information.
 *
 * An instance of this structure is allocated by the user of the Flexnvm driver and
 * passed into each of the driver APIs.
 */
typedef struct _flexnvm_config
{
    ftfx_config_t ftfxConfig;
} flexnvm_config_t;
 
/*******************************************************************************
 * API
 ******************************************************************************/
 
#if defined(__cplusplus)
extern "C" {
#endif
 
/*!
 * @name Initialization
 * @{
 */
 
/*!
 * @brief Initializes the global flash properties structure members.
 *
 * This function checks and initializes the Flash module for the other Flash APIs.
 *
 * @param config Pointer to the storage for the driver runtime state.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
 * @retval #kStatus_FTFx_PartitionStatusUpdateFailure Failed to update the partition status.
 */
status_t FLEXNVM_Init(flexnvm_config_t *config);
 
/*@}*/
 
/*!
 * @name Erasing
 * @{
 */
 
/*!
 * @brief Erases the Dflash sectors encompassed by parameters passed into function.
 *
 * This function erases the appropriate number of flash sectors based on the
 * desired start address and length.
 *
 * @param config The pointer to the storage for the driver runtime state.
 * @param start The start address of the desired flash memory to be erased.
 *              The start address does not need to be sector-aligned but must be word-aligned.
 * @param lengthInBytes The length, given in bytes (not words or long-words)
 *                      to be erased. Must be word-aligned.
 * @param key The value used to validate all flash erase APIs.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_AlignmentError The parameter is not aligned with the specified baseline.
 * @retval #kStatus_FTFx_AddressError The address is out of range.
 * @retval #kStatus_FTFx_EraseKeyError The API erase key is invalid.
 * @retval #kStatus_FTFx_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
 * @retval #kStatus_FTFx_AccessError Invalid instruction codes and out-of bounds addresses.
 * @retval #kStatus_FTFx_ProtectionViolation The program/erase operation is requested to execute on protected areas.
 * @retval #kStatus_FTFx_CommandFailure Run-time error during the command execution.
 */
status_t FLEXNVM_DflashErase(flexnvm_config_t *config,
                             uint32_t start,
                             uint32_t lengthInBytes,
                             uint32_t key);
 
/*!
 * @brief Erases entire flexnvm
 *
 * @param config Pointer to the storage for the driver runtime state.
 * @param key A value used to validate all flash erase APIs.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_EraseKeyError API erase key is invalid.
 * @retval #kStatus_FTFx_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
 * @retval #kStatus_FTFx_AccessError Invalid instruction codes and out-of bounds addresses.
 * @retval #kStatus_FTFx_ProtectionViolation The program/erase operation is requested to execute on protected areas.
 * @retval #kStatus_FTFx_CommandFailure Run-time error during command execution.
 * @retval #kStatus_FTFx_PartitionStatusUpdateFailure Failed to update the partition status.
 */
status_t FLEXNVM_EraseAll(flexnvm_config_t *config, uint32_t key);
 
/*!
 * @brief Erases the entire flexnvm, including protected sectors.
 *
 * @param config Pointer to the storage for the driver runtime state.
 * @param key A value used to validate all flash erase APIs.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_EraseKeyError API erase key is invalid.
 * @retval #kStatus_FTFx_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
 * @retval #kStatus_FTFx_AccessError Invalid instruction codes and out-of bounds addresses.
 * @retval #kStatus_FTFx_ProtectionViolation The program/erase operation is requested to execute on protected areas.
 * @retval #kStatus_FTFx_CommandFailure Run-time error during command execution.
 * @retval #kStatus_FTFx_PartitionStatusUpdateFailure Failed to update the partition status.
 */
#if defined(FSL_FEATURE_FLASH_HAS_ERASE_ALL_BLOCKS_UNSECURE_CMD) && FSL_FEATURE_FLASH_HAS_ERASE_ALL_BLOCKS_UNSECURE_CMD
status_t FLEXNVM_EraseAllUnsecure(flexnvm_config_t *config, uint32_t key);
#endif
 
/*@}*/
 
/*!
 * @name Programming
 * @{
 */
 
/*!
 * @brief Programs flash with data at locations passed in through parameters.
 *
 * This function programs the flash memory with the desired data for a given
 * flash area as determined by the start address and the length.
 *
 * @param config A pointer to the storage for the driver runtime state.
 * @param start The start address of the desired flash memory to be programmed. Must be
 *              word-aligned.
 * @param src A pointer to the source buffer of data that is to be programmed
 *            into the flash.
 * @param lengthInBytes The length, given in bytes (not words or long-words),
 *                      to be programmed. Must be word-aligned.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_AlignmentError Parameter is not aligned with the specified baseline.
 * @retval #kStatus_FTFx_AddressError Address is out of range.
 * @retval #kStatus_FTFx_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
 * @retval #kStatus_FTFx_AccessError Invalid instruction codes and out-of bounds addresses.
 * @retval #kStatus_FTFx_ProtectionViolation The program/erase operation is requested to execute on protected areas.
 * @retval #kStatus_FTFx_CommandFailure Run-time error during the command execution.
 */
status_t FLEXNVM_DflashProgram(flexnvm_config_t *config,
                               uint32_t start,
                               uint8_t *src,
                               uint32_t lengthInBytes);
 
/*!
 * @brief Programs flash with data at locations passed in through parameters via the Program Section command.
 *
 * This function programs the flash memory with the desired data for a given
 * flash area as determined by the start address and length.
 *
 * @param config A pointer to the storage for the driver runtime state.
 * @param start The start address of the desired flash memory to be programmed. Must be
 *              word-aligned.
 * @param src A pointer to the source buffer of data that is to be programmed
 *            into the flash.
 * @param lengthInBytes The length, given in bytes (not words or long-words),
 *                      to be programmed. Must be word-aligned.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_AlignmentError Parameter is not aligned with specified baseline.
 * @retval #kStatus_FTFx_AddressError Address is out of range.
 * @retval #kStatus_FTFx_SetFlexramAsRamError Failed to set flexram as RAM.
 * @retval #kStatus_FTFx_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
 * @retval #kStatus_FTFx_AccessError Invalid instruction codes and out-of bounds addresses.
 * @retval #kStatus_FTFx_ProtectionViolation The program/erase operation is requested to execute on protected areas.
 * @retval #kStatus_FTFx_CommandFailure Run-time error during command execution.
 * @retval #kStatus_FTFx_RecoverFlexramAsEepromError Failed to recover FlexRAM as EEPROM.
 */
#if defined(FSL_FEATURE_FLASH_HAS_PROGRAM_SECTION_CMD) && FSL_FEATURE_FLASH_HAS_PROGRAM_SECTION_CMD
status_t FLEXNVM_DflashProgramSection(flexnvm_config_t *config,
                                      uint32_t start,
                                      uint8_t *src,
                                      uint32_t lengthInBytes);
#endif
 
/*!
 * @brief Prepares the FlexNVM block for use as data flash, EEPROM backup, or a combination of both and initializes the
 * FlexRAM.
 *
 * @param config Pointer to storage for the driver runtime state.
 * @param option The option used to set FlexRAM load behavior during reset.
 * @param eepromDataSizeCode Determines the amount of FlexRAM used in each of the available EEPROM subsystems.
 * @param flexnvmPartitionCode Specifies how to split the FlexNVM block between data flash memory and EEPROM backup
 *        memory supporting EEPROM functions.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument Invalid argument is provided.
 * @retval #kStatus_FTFx_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
 * @retval #kStatus_FTFx_AccessError Invalid instruction codes and out-of bounds addresses.
 * @retval #kStatus_FTFx_ProtectionViolation The program/erase operation is requested to execute on protected areas.
 * @retval #kStatus_FTFx_CommandFailure Run-time error during command execution.
 */
status_t FLEXNVM_ProgramPartition(flexnvm_config_t *config,
                                  ftfx_partition_flexram_load_opt_t option,
                                  uint32_t eepromDataSizeCode,
                                  uint32_t flexnvmPartitionCode);
 
/*@}*/
 
/*!
 * @name Reading
 * @{
 */
 
/*!
 * @brief Reads the resource with data at locations passed in through parameters.
 *
 * This function reads the flash memory with the desired location for a given
 * flash area as determined by the start address and length.
 *
 * @param config A pointer to the storage for the driver runtime state.
 * @param start The start address of the desired flash memory to be programmed. Must be
 *              word-aligned.
 * @param dst A pointer to the destination buffer of data that is used to store
 *        data to be read.
 * @param lengthInBytes The length, given in bytes (not words or long-words),
 *        to be read. Must be word-aligned.
 * @param option The resource option which indicates which area should be read back.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_AlignmentError Parameter is not aligned with the specified baseline.
 * @retval #kStatus_FTFx_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
 * @retval #kStatus_FTFx_AccessError Invalid instruction codes and out-of bounds addresses.
 * @retval #kStatus_FTFx_ProtectionViolation The program/erase operation is requested to execute on protected areas.
 * @retval #kStatus_FTFx_CommandFailure Run-time error during the command execution.
 */
#if defined(FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD) && FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD
status_t FLEXNVM_ReadResource(flexnvm_config_t *config,
                              uint32_t start,
                              uint8_t *dst,
                              uint32_t lengthInBytes,
                              ftfx_read_resource_opt_t option);
#endif
 
/*@}*/
 
/*!
 * @name Verification
 * @{
 */
 
/*!
 * @brief Verifies an erasure of the desired flash area at a specified margin level.
 *
 * This function checks the appropriate number of flash sectors based on
 * the desired start address and length to check whether the flash is erased
 * to the specified read margin level.
 *
 * @param config A pointer to the storage for the driver runtime state.
 * @param start The start address of the desired flash memory to be verified.
 *        The start address does not need to be sector-aligned but must be word-aligned.
 * @param lengthInBytes The length, given in bytes (not words or long-words),
 *        to be verified. Must be word-aligned.
 * @param margin Read margin choice.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_AlignmentError Parameter is not aligned with specified baseline.
 * @retval #kStatus_FTFx_AddressError Address is out of range.
 * @retval #kStatus_FTFx_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
 * @retval #kStatus_FTFx_AccessError Invalid instruction codes and out-of bounds addresses.
 * @retval #kStatus_FTFx_ProtectionViolation The program/erase operation is requested to execute on protected areas.
 * @retval #kStatus_FTFx_CommandFailure Run-time error during the command execution.
 */
status_t FLEXNVM_DflashVerifyErase(flexnvm_config_t *config,
                                   uint32_t start,
                                   uint32_t lengthInBytes,
                                   ftfx_margin_value_t margin);
 
/*!
 * @brief Verifies erasure of the entire flash at a specified margin level.
 *
 * This function checks whether the flash is erased to the
 * specified read margin level.
 *
 * @param config A pointer to the storage for the driver runtime state.
 * @param margin Read margin choice.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
 * @retval #kStatus_FTFx_AccessError Invalid instruction codes and out-of bounds addresses.
 * @retval #kStatus_FTFx_ProtectionViolation The program/erase operation is requested to execute on protected areas.
 * @retval #kStatus_FTFx_CommandFailure Run-time error during the command execution.
 */
status_t FLEXNVM_VerifyEraseAll(flexnvm_config_t *config, ftfx_margin_value_t margin);
 
/*!
 * @brief Verifies programming of the desired flash area at a specified margin level.
 *
 * This function verifies the data programed in the flash memory using the
 * Flash Program Check Command and compares it to the expected data for a given
 * flash area as determined by the start address and length.
 *
 * @param config A pointer to the storage for the driver runtime state.
 * @param start The start address of the desired flash memory to be verified. Must be word-aligned.
 * @param lengthInBytes The length, given in bytes (not words or long-words),
 *        to be verified. Must be word-aligned.
 * @param expectedData A pointer to the expected data that is to be
 *        verified against.
 * @param margin Read margin choice.
 * @param failedAddress A pointer to the returned failing address.
 * @param failedData A pointer to the returned failing data.  Some derivatives do
 *        not include failed data as part of the FCCOBx registers.  In this
 *        case, zeros are returned upon failure.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_AlignmentError Parameter is not aligned with specified baseline.
 * @retval #kStatus_FTFx_AddressError Address is out of range.
 * @retval #kStatus_FTFx_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
 * @retval #kStatus_FTFx_AccessError Invalid instruction codes and out-of bounds addresses.
 * @retval #kStatus_FTFx_ProtectionViolation The program/erase operation is requested to execute on protected areas.
 * @retval #kStatus_FTFx_CommandFailure Run-time error during the command execution.
 */
status_t FLEXNVM_DflashVerifyProgram(flexnvm_config_t *config,
                                     uint32_t start,
                                     uint32_t lengthInBytes,
                                     const uint8_t *expectedData,
                                     ftfx_margin_value_t margin,
                                     uint32_t *failedAddress,
                                     uint32_t *failedData);
 
/*@}*/
 
/*!
 * @name Security
 * @{
 */
 
/*!
 * @brief Returns the security state via the pointer passed into the function.
 *
 * This function retrieves the current flash security status, including the
 * security enabling state and the backdoor key enabling state.
 *
 * @param config A pointer to storage for the driver runtime state.
 * @param state A pointer to the value returned for the current security status code:
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 */
status_t FLEXNVM_GetSecurityState(flexnvm_config_t *config, ftfx_security_state_t *state);
 
/*!
 * @brief Allows users to bypass security with a backdoor key.
 *
 * If the MCU is in secured state, this function unsecures the MCU by
 * comparing the provided backdoor key with ones in the flash configuration
 * field.
 *
 * @param config A pointer to the storage for the driver runtime state.
 * @param backdoorKey A pointer to the user buffer containing the backdoor key.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
 * @retval #kStatus_FTFx_AccessError Invalid instruction codes and out-of bounds addresses.
 * @retval #kStatus_FTFx_ProtectionViolation The program/erase operation is requested to execute on protected areas.
 * @retval #kStatus_FTFx_CommandFailure Run-time error during the command execution.
 */
status_t FLEXNVM_SecurityBypass(flexnvm_config_t *config, const uint8_t *backdoorKey);
 
/*@}*/
 
/*!
 * @name FlexRAM
 * @{
 */
 
/*!
 * @brief Sets the FlexRAM function command.
 *
 * @param config A pointer to the storage for the driver runtime state.
 * @param option The option used to set the work mode of FlexRAM.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
 * @retval #kStatus_FTFx_AccessError Invalid instruction codes and out-of bounds addresses.
 * @retval #kStatus_FTFx_ProtectionViolation The program/erase operation is requested to execute on protected areas.
 * @retval #kStatus_FTFx_CommandFailure Run-time error during the command execution.
 */
#if defined(FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD) && FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD
status_t FLEXNVM_SetFlexramFunction(flexnvm_config_t *config, ftfx_flexram_func_opt_t option);
#endif
 
/*@}*/
 
/*!
 * @brief Programs the EEPROM with data at locations passed in through parameters.
 *
 * This function programs the emulated EEPROM with the desired data for a given
 * flash area as determined by the start address and length.
 *
 * @param config A pointer to the storage for the driver runtime state.
 * @param start The start address of the desired flash memory to be programmed. Must be
 *              word-aligned.
 * @param src A pointer to the source buffer of data that is to be programmed
 *            into the flash.
 * @param lengthInBytes The length, given in bytes (not words or long-words),
 *                      to be programmed. Must be word-aligned.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_AddressError Address is out of range.
 * @retval #kStatus_FTFx_SetFlexramAsEepromError Failed to set flexram as eeprom.
 * @retval #kStatus_FTFx_ProtectionViolation The program/erase operation is requested to execute on protected areas.
 * @retval #kStatus_FTFx_RecoverFlexramAsRamError Failed to recover the FlexRAM as RAM.
 */
status_t FLEXNVM_EepromWrite(flexnvm_config_t *config, uint32_t start, uint8_t *src, uint32_t lengthInBytes);
 
/*!
* @name Flash Protection Utilities
* @{
*/
 
/*!
 * @brief Sets the DFlash protection to the intended protection status.
 *
 * @param config A pointer to the storage for the driver runtime state.
 * @param protectStatus The expected protect status to set to the DFlash protection register. Each bit
 * corresponds to the protection of the 1/8 of the total DFlash. The least significant bit corresponds to the lowest
 * address area of the DFlash. The most significant bit corresponds to the highest address area of  the DFlash. There
 * are
 * two possible cases as shown below:
 *       0: this area is protected.
 *       1: this area is unprotected.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_CommandNotSupported Flash API is not supported.
 * @retval #kStatus_FTFx_CommandFailure Run-time error during command execution.
 */
status_t FLEXNVM_DflashSetProtection(flexnvm_config_t *config, uint8_t protectStatus);
 
/*!
 * @brief Gets the DFlash protection status.
 *
 * @param config A pointer to the storage for the driver runtime state.
 * @param protectStatus  DFlash Protect status returned by the PFlash IP. Each bit corresponds to the protection of the
 * 1/8 of
 * the total DFlash. The least significant bit corresponds to the lowest address area of the DFlash. The most
 * significant bit corresponds to the highest address area of the DFlash, and so on. There are two possible cases as
 * below:
 *       0: this area is protected.
 *       1: this area is unprotected.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_CommandNotSupported Flash API is not supported.
 */
status_t FLEXNVM_DflashGetProtection(flexnvm_config_t *config, uint8_t *protectStatus);
 
/*!
 * @brief Sets the EEPROM protection to the intended protection status.
 *
 * @param config A pointer to the storage for the driver runtime state.
 * @param protectStatus The expected protect status to set to the EEPROM protection register. Each bit
 * corresponds to the protection of the 1/8 of the total EEPROM. The least significant bit corresponds to the lowest
 * address area of the EEPROM. The most significant bit corresponds to the highest address area of EEPROM, and so on.
 * There are two possible cases as shown below:
 *       0: this area is protected.
 *       1: this area is unprotected.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_CommandNotSupported Flash API is not supported.
 * @retval #kStatus_FTFx_CommandFailure Run-time error during command execution.
 */
status_t FLEXNVM_EepromSetProtection(flexnvm_config_t *config, uint8_t protectStatus);
 
/*!
 * @brief Gets the EEPROM protection status.
 *
 * @param config A pointer to the storage for the driver runtime state.
 * @param protectStatus  DFlash Protect status returned by the PFlash IP. Each bit corresponds to the protection of the
 * 1/8 of
 * the total EEPROM. The least significant bit corresponds to the lowest address area of the EEPROM. The most
 * significant bit corresponds to the highest address area of the EEPROM. There are two possible cases as below:
 *       0: this area is protected.
 *       1: this area is unprotected.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_CommandNotSupported Flash API is not supported.
 */
status_t FLEXNVM_EepromGetProtection(flexnvm_config_t *config, uint8_t *protectStatus);
 
/*@}*/
 
/*!
 * @name Properties
 * @{
 */
 
/*!
 * @brief Returns the desired flexnvm property.
 *
 * @param config A pointer to the storage for the driver runtime state.
 * @param whichProperty The desired property from the list of properties in
 *        enum flexnvm_property_tag_t
 * @param value A pointer to the value returned for the desired flexnvm property.
 *
 * @retval #kStatus_FTFx_Success API was executed successfully.
 * @retval #kStatus_FTFx_InvalidArgument An invalid argument is provided.
 * @retval #kStatus_FTFx_UnknownProperty An unknown property tag.
 */
status_t FLEXNVM_GetProperty(flexnvm_config_t *config, flexnvm_property_tag_t whichProperty, uint32_t *value);
 
 
#if defined(__cplusplus)
}
#endif
 
/*! @}*/
 
#endif /* _FSL_FTFX_FLEXNVM_H_ */