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rtt-f030/bsp/frdm-k64f/device/MK64F12/fsl_flash.c

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/*
* Copyright (c) 2015-2016, Freescale Semiconductor, Inc.
* Copyright 2016-2017 NXP
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* o Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "fsl_flash.h"
/*******************************************************************************
* Definitions
******************************************************************************/
/*!
* @name Misc utility defines
* @{
*/
/*! @brief Alignment utility. */
#ifndef ALIGN_DOWN
#define ALIGN_DOWN(x, a) ((x) & (uint32_t)(-((int32_t)(a))))
#endif
#ifndef ALIGN_UP
#define ALIGN_UP(x, a) (-((int32_t)((uint32_t)(-((int32_t)(x))) & (uint32_t)(-((int32_t)(a))))))
#endif
/*! @brief Join bytes to word utility. */
#define B1P4(b) (((uint32_t)(b)&0xFFU) << 24)
#define B1P3(b) (((uint32_t)(b)&0xFFU) << 16)
#define B1P2(b) (((uint32_t)(b)&0xFFU) << 8)
#define B1P1(b) ((uint32_t)(b)&0xFFU)
#define B2P3(b) (((uint32_t)(b)&0xFFFFU) << 16)
#define B2P2(b) (((uint32_t)(b)&0xFFFFU) << 8)
#define B2P1(b) ((uint32_t)(b)&0xFFFFU)
#define B3P2(b) (((uint32_t)(b)&0xFFFFFFU) << 8)
#define B3P1(b) ((uint32_t)(b)&0xFFFFFFU)
#define BYTES_JOIN_TO_WORD_1_3(x, y) (B1P4(x) | B3P1(y))
#define BYTES_JOIN_TO_WORD_2_2(x, y) (B2P3(x) | B2P1(y))
#define BYTES_JOIN_TO_WORD_3_1(x, y) (B3P2(x) | B1P1(y))
#define BYTES_JOIN_TO_WORD_1_1_2(x, y, z) (B1P4(x) | B1P3(y) | B2P1(z))
#define BYTES_JOIN_TO_WORD_1_2_1(x, y, z) (B1P4(x) | B2P2(y) | B1P1(z))
#define BYTES_JOIN_TO_WORD_2_1_1(x, y, z) (B2P3(x) | B1P2(y) | B1P1(z))
#define BYTES_JOIN_TO_WORD_1_1_1_1(x, y, z, w) (B1P4(x) | B1P3(y) | B1P2(z) | B1P1(w))
/*@}*/
/*!
* @name Secondary flash configuration
* @{
*/
/*! @brief Indicates whether the secondary flash has its own protection register in flash module. */
#if defined(FSL_FEATURE_FLASH_HAS_MULTIPLE_FLASH) && defined(FTFE_FPROTS_PROTS_MASK)
#define FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_PROTECTION_REGISTER (1)
#else
#define FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_PROTECTION_REGISTER (0)
#endif
/*! @brief Indicates whether the secondary flash has its own Execute-Only access register in flash module. */
#if defined(FSL_FEATURE_FLASH_HAS_MULTIPLE_FLASH) && defined(FTFE_FACSSS_SGSIZE_S_MASK)
#define FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_ACCESS_REGISTER (1)
#else
#define FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_ACCESS_REGISTER (0)
#endif
/*@}*/
/*!
* @name Flash cache ands speculation control defines
* @{
*/
#if defined(MCM_PLACR_CFCC_MASK) || defined(MCM_CPCR2_CCBC_MASK)
#define FLASH_CACHE_IS_CONTROLLED_BY_MCM (1)
#else
#define FLASH_CACHE_IS_CONTROLLED_BY_MCM (0)
#endif
#if defined(FMC_PFB0CR_CINV_WAY_MASK) || defined(FMC_PFB01CR_CINV_WAY_MASK)
#define FLASH_CACHE_IS_CONTROLLED_BY_FMC (1)
#else
#define FLASH_CACHE_IS_CONTROLLED_BY_FMC (0)
#endif
#if defined(MCM_PLACR_DFCS_MASK)
#define FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_MCM (1)
#else
#define FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_MCM (0)
#endif
#if defined(MSCM_OCMDR_OCM1_MASK) || defined(MSCM_OCMDR_OCMC1_MASK)
#define FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_MSCM (1)
#else
#define FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_MSCM (0)
#endif
#if defined(FMC_PFB0CR_S_INV_MASK) || defined(FMC_PFB0CR_S_B_INV_MASK) || defined(FMC_PFB01CR_S_INV_MASK) || \
defined(FMC_PFB01CR_S_B_INV_MASK)
#define FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_FMC (1)
#else
#define FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_FMC (0)
#endif
/*@}*/
/*! @brief Data flash IFR map Field*/
#if defined(FSL_FEATURE_FLASH_IS_FTFE) && FSL_FEATURE_FLASH_IS_FTFE
#define DFLASH_IFR_READRESOURCE_START_ADDRESS 0x8003F8U
#else /* FSL_FEATURE_FLASH_IS_FTFL == 1 or FSL_FEATURE_FLASH_IS_FTFA = =1 */
#define DFLASH_IFR_READRESOURCE_START_ADDRESS 0x8000F8U
#endif
/*!
* @name Reserved FlexNVM size (For a variety of purposes) defines
* @{
*/
#define FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED 0xFFFFFFFFU
#define FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_RESERVED 0xFFFFU
/*@}*/
/*!
* @name Flash Program Once Field defines
* @{
*/
#if defined(FSL_FEATURE_FLASH_IS_FTFA) && FSL_FEATURE_FLASH_IS_FTFA
/* FTFA parts(eg. K80, KL80, L5K) support both 4-bytes and 8-bytes unit size */
#define FLASH_PROGRAM_ONCE_MIN_ID_8BYTES \
0x10U /* Minimum Index indcating one of Progam Once Fields which is accessed in 8-byte records */
#define FLASH_PROGRAM_ONCE_MAX_ID_8BYTES \
0x13U /* Maximum Index indcating one of Progam Once Fields which is accessed in 8-byte records */
#define FLASH_PROGRAM_ONCE_IS_4BYTES_UNIT_SUPPORT 1
#define FLASH_PROGRAM_ONCE_IS_8BYTES_UNIT_SUPPORT 1
#elif defined(FSL_FEATURE_FLASH_IS_FTFE) && FSL_FEATURE_FLASH_IS_FTFE
/* FTFE parts(eg. K65, KE18) only support 8-bytes unit size */
#define FLASH_PROGRAM_ONCE_IS_4BYTES_UNIT_SUPPORT 0
#define FLASH_PROGRAM_ONCE_IS_8BYTES_UNIT_SUPPORT 1
#elif defined(FSL_FEATURE_FLASH_IS_FTFL) && FSL_FEATURE_FLASH_IS_FTFL
/* FTFL parts(eg. K20) only support 4-bytes unit size */
#define FLASH_PROGRAM_ONCE_IS_4BYTES_UNIT_SUPPORT 1
#define FLASH_PROGRAM_ONCE_IS_8BYTES_UNIT_SUPPORT 0
#endif
/*@}*/
/*!
* @name Flash security status defines
* @{
*/
#define FLASH_SECURITY_STATE_KEYEN 0x80U
#define FLASH_SECURITY_STATE_UNSECURED 0x02U
#define FLASH_NOT_SECURE 0x01U
#define FLASH_SECURE_BACKDOOR_ENABLED 0x02U
#define FLASH_SECURE_BACKDOOR_DISABLED 0x04U
/*@}*/
/*!
* @name Flash controller command numbers
* @{
*/
#define FTFx_VERIFY_BLOCK 0x00U /*!< RD1BLK*/
#define FTFx_VERIFY_SECTION 0x01U /*!< RD1SEC*/
#define FTFx_PROGRAM_CHECK 0x02U /*!< PGMCHK*/
#define FTFx_READ_RESOURCE 0x03U /*!< RDRSRC*/
#define FTFx_PROGRAM_LONGWORD 0x06U /*!< PGM4*/
#define FTFx_PROGRAM_PHRASE 0x07U /*!< PGM8*/
#define FTFx_ERASE_BLOCK 0x08U /*!< ERSBLK*/
#define FTFx_ERASE_SECTOR 0x09U /*!< ERSSCR*/
#define FTFx_PROGRAM_SECTION 0x0BU /*!< PGMSEC*/
#define FTFx_GENERATE_CRC 0x0CU /*!< CRCGEN*/
#define FTFx_VERIFY_ALL_BLOCK 0x40U /*!< RD1ALL*/
#define FTFx_READ_ONCE 0x41U /*!< RDONCE or RDINDEX*/
#define FTFx_PROGRAM_ONCE 0x43U /*!< PGMONCE or PGMINDEX*/
#define FTFx_ERASE_ALL_BLOCK 0x44U /*!< ERSALL*/
#define FTFx_SECURITY_BY_PASS 0x45U /*!< VFYKEY*/
#define FTFx_SWAP_CONTROL 0x46U /*!< SWAP*/
#define FTFx_ERASE_ALL_BLOCK_UNSECURE 0x49U /*!< ERSALLU*/
#define FTFx_VERIFY_ALL_EXECUTE_ONLY_SEGMENT 0x4AU /*!< RD1XA*/
#define FTFx_ERASE_ALL_EXECUTE_ONLY_SEGMENT 0x4BU /*!< ERSXA*/
#define FTFx_PROGRAM_PARTITION 0x80U /*!< PGMPART)*/
#define FTFx_SET_FLEXRAM_FUNCTION 0x81U /*!< SETRAM*/
/*@}*/
/*!
* @name Common flash register info defines
* @{
*/
#if defined(FTFA)
#define FTFx FTFA
#define FTFx_BASE FTFA_BASE
#define FTFx_FSTAT_CCIF_MASK FTFA_FSTAT_CCIF_MASK
#define FTFx_FSTAT_RDCOLERR_MASK FTFA_FSTAT_RDCOLERR_MASK
#define FTFx_FSTAT_ACCERR_MASK FTFA_FSTAT_ACCERR_MASK
#define FTFx_FSTAT_FPVIOL_MASK FTFA_FSTAT_FPVIOL_MASK
#define FTFx_FSTAT_MGSTAT0_MASK FTFA_FSTAT_MGSTAT0_MASK
#define FTFx_FSEC_SEC_MASK FTFA_FSEC_SEC_MASK
#define FTFx_FSEC_KEYEN_MASK FTFA_FSEC_KEYEN_MASK
#if defined(FSL_FEATURE_FLASH_HAS_FLEX_RAM) && FSL_FEATURE_FLASH_HAS_FLEX_RAM
#define FTFx_FCNFG_RAMRDY_MASK FTFA_FCNFG_RAMRDY_MASK
#endif /* FSL_FEATURE_FLASH_HAS_FLEX_RAM */
#if defined(FSL_FEATURE_FLASH_HAS_FLEX_NVM) && FSL_FEATURE_FLASH_HAS_FLEX_NVM
#define FTFx_FCNFG_EEERDY_MASK FTFA_FCNFG_EEERDY_MASK
#endif /* FSL_FEATURE_FLASH_HAS_FLEX_NVM */
#elif defined(FTFE)
#define FTFx FTFE
#define FTFx_BASE FTFE_BASE
#define FTFx_FSTAT_CCIF_MASK FTFE_FSTAT_CCIF_MASK
#define FTFx_FSTAT_RDCOLERR_MASK FTFE_FSTAT_RDCOLERR_MASK
#define FTFx_FSTAT_ACCERR_MASK FTFE_FSTAT_ACCERR_MASK
#define FTFx_FSTAT_FPVIOL_MASK FTFE_FSTAT_FPVIOL_MASK
#define FTFx_FSTAT_MGSTAT0_MASK FTFE_FSTAT_MGSTAT0_MASK
#define FTFx_FSEC_SEC_MASK FTFE_FSEC_SEC_MASK
#define FTFx_FSEC_KEYEN_MASK FTFE_FSEC_KEYEN_MASK
#if defined(FSL_FEATURE_FLASH_HAS_FLEX_RAM) && FSL_FEATURE_FLASH_HAS_FLEX_RAM
#define FTFx_FCNFG_RAMRDY_MASK FTFE_FCNFG_RAMRDY_MASK
#endif /* FSL_FEATURE_FLASH_HAS_FLEX_RAM */
#if defined(FSL_FEATURE_FLASH_HAS_FLEX_NVM) && FSL_FEATURE_FLASH_HAS_FLEX_NVM
#define FTFx_FCNFG_EEERDY_MASK FTFE_FCNFG_EEERDY_MASK
#endif /* FSL_FEATURE_FLASH_HAS_FLEX_NVM */
#elif defined(FTFL)
#define FTFx FTFL
#define FTFx_BASE FTFL_BASE
#define FTFx_FSTAT_CCIF_MASK FTFL_FSTAT_CCIF_MASK
#define FTFx_FSTAT_RDCOLERR_MASK FTFL_FSTAT_RDCOLERR_MASK
#define FTFx_FSTAT_ACCERR_MASK FTFL_FSTAT_ACCERR_MASK
#define FTFx_FSTAT_FPVIOL_MASK FTFL_FSTAT_FPVIOL_MASK
#define FTFx_FSTAT_MGSTAT0_MASK FTFL_FSTAT_MGSTAT0_MASK
#define FTFx_FSEC_SEC_MASK FTFL_FSEC_SEC_MASK
#define FTFx_FSEC_KEYEN_MASK FTFL_FSEC_KEYEN_MASK
#if defined(FSL_FEATURE_FLASH_HAS_FLEX_RAM) && FSL_FEATURE_FLASH_HAS_FLEX_RAM
#define FTFx_FCNFG_RAMRDY_MASK FTFL_FCNFG_RAMRDY_MASK
#endif /* FSL_FEATURE_FLASH_HAS_FLEX_RAM */
#if defined(FSL_FEATURE_FLASH_HAS_FLEX_NVM) && FSL_FEATURE_FLASH_HAS_FLEX_NVM
#define FTFx_FCNFG_EEERDY_MASK FTFL_FCNFG_EEERDY_MASK
#endif /* FSL_FEATURE_FLASH_HAS_FLEX_NVM */
#else
#error "Unknown flash controller"
#endif
/*@}*/
/*!
* @name Common flash register access info defines
* @{
*/
#define FTFx_FCCOB3_REG (FTFx->FCCOB3)
#define FTFx_FCCOB5_REG (FTFx->FCCOB5)
#define FTFx_FCCOB6_REG (FTFx->FCCOB6)
#define FTFx_FCCOB7_REG (FTFx->FCCOB7)
#if defined(FTFA_FPROTH0_PROT_MASK) || defined(FTFE_FPROTH0_PROT_MASK) || defined(FTFL_FPROTH0_PROT_MASK)
#define FTFx_FPROT_HIGH_REG (FTFx->FPROTH3)
#define FTFx_FPROTH3_REG (FTFx->FPROTH3)
#define FTFx_FPROTH2_REG (FTFx->FPROTH2)
#define FTFx_FPROTH1_REG (FTFx->FPROTH1)
#define FTFx_FPROTH0_REG (FTFx->FPROTH0)
#endif
#if defined(FTFA_FPROTL0_PROT_MASK) || defined(FTFE_FPROTL0_PROT_MASK) || defined(FTFL_FPROTL0_PROT_MASK)
#define FTFx_FPROT_LOW_REG (FTFx->FPROTL3)
#define FTFx_FPROTL3_REG (FTFx->FPROTL3)
#define FTFx_FPROTL2_REG (FTFx->FPROTL2)
#define FTFx_FPROTL1_REG (FTFx->FPROTL1)
#define FTFx_FPROTL0_REG (FTFx->FPROTL0)
#elif defined(FTFA_FPROT0_PROT_MASK) || defined(FTFE_FPROT0_PROT_MASK) || defined(FTFL_FPROT0_PROT_MASK)
#define FTFx_FPROT_LOW_REG (FTFx->FPROT3)
#define FTFx_FPROTL3_REG (FTFx->FPROT3)
#define FTFx_FPROTL2_REG (FTFx->FPROT2)
#define FTFx_FPROTL1_REG (FTFx->FPROT1)
#define FTFx_FPROTL0_REG (FTFx->FPROT0)
#endif
#if FLASH_SSD_IS_SECONDARY_FLASH_ENABLED && FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_PROTECTION_REGISTER
#define FTFx_FPROTSH_REG (FTFx->FPROTSH)
#define FTFx_FPROTSL_REG (FTFx->FPROTSL)
#endif
#define FTFx_XACCH3_REG (FTFx->XACCH3)
#define FTFx_XACCL3_REG (FTFx->XACCL3)
#if FLASH_SSD_IS_SECONDARY_FLASH_ENABLED && FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_ACCESS_REGISTER
#define FTFx_XACCSH_REG (FTFx->XACCSH)
#define FTFx_XACCSL_REG (FTFx->XACCSL)
#endif
/*@}*/
/*!
* @brief Enumeration for access segment property.
*/
enum _flash_access_segment_property
{
kFLASH_AccessSegmentBase = 256UL,
};
/*!
* @brief Enumeration for flash config area.
*/
enum _flash_config_area_range
{
kFLASH_ConfigAreaStart = 0x400U,
kFLASH_ConfigAreaEnd = 0x40FU
};
/*!
* @name Flash register access type defines
* @{
*/
#define FTFx_REG8_ACCESS_TYPE volatile uint8_t *
#define FTFx_REG32_ACCESS_TYPE volatile uint32_t *
/*@}*/
/*!
* @brief MCM cache register access info defines.
*/
#if defined(MCM_PLACR_CFCC_MASK)
#define MCM_CACHE_CLEAR_MASK MCM_PLACR_CFCC_MASK
#define MCM_CACHE_CLEAR_SHIFT MCM_PLACR_CFCC_SHIFT
#if defined(MCM)
#define MCM0_CACHE_REG MCM->PLACR
#elif defined(MCM0)
#define MCM0_CACHE_REG MCM0->PLACR
#endif
#if defined(MCM1)
#define MCM1_CACHE_REG MCM1->PLACR
#endif
#elif defined(MCM_CPCR2_CCBC_MASK)
#define MCM_CACHE_CLEAR_MASK MCM_CPCR2_CCBC_MASK
#define MCM_CACHE_CLEAR_SHIFT MCM_CPCR2_CCBC_SHIFT
#if defined(MCM)
#define MCM0_CACHE_REG MCM->CPCR2
#elif defined(MCM0)
#define MCM0_CACHE_REG MCM0->CPCR2
#endif
#if defined(MCM1)
#define MCM1_CACHE_REG MCM1->CPCR2
#endif
#endif
/*!
* @brief MSCM cache register access info defines.
*/
#if defined(MSCM_OCMDR_OCM1_MASK)
#define MSCM_SPECULATION_DISABLE_MASK MSCM_OCMDR_OCM1_MASK
#define MSCM_SPECULATION_DISABLE_SHIFT MSCM_OCMDR_OCM1_SHIFT
#define MSCM_SPECULATION_DISABLE(x) MSCM_OCMDR_OCM1(x)
#elif defined(MSCM_OCMDR_OCMC1_MASK)
#define MSCM_SPECULATION_DISABLE_MASK MSCM_OCMDR_OCMC1_MASK
#define MSCM_SPECULATION_DISABLE_SHIFT MSCM_OCMDR_OCMC1_SHIFT
#define MSCM_SPECULATION_DISABLE(x) MSCM_OCMDR_OCMC1(x)
#endif
/*!
* @brief MSCM prefetch speculation defines.
*/
#define MSCM_OCMDR_OCMC1_DFDS_MASK (0x10U)
#define MSCM_OCMDR_OCMC1_DFCS_MASK (0x20U)
#define MSCM_OCMDR_OCMC1_DFDS_SHIFT (4U)
#define MSCM_OCMDR_OCMC1_DFCS_SHIFT (5U)
/*!
* @brief Flash size encoding rule.
*/
#define FLASH_MEMORY_SIZE_ENCODING_RULE_K1_2 (0x00U)
#define FLASH_MEMORY_SIZE_ENCODING_RULE_K3 (0x01U)
#if defined(K32W042S1M2_M0P_SERIES) || defined(K32W042S1M2_M4_SERIES)
#define FLASH_MEMORY_SIZE_ENCODING_RULE (FLASH_MEMORY_SIZE_ENCODING_RULE_K3)
#else
#define FLASH_MEMORY_SIZE_ENCODING_RULE (FLASH_MEMORY_SIZE_ENCODING_RULE_K1_2)
#endif
/*******************************************************************************
* Prototypes
******************************************************************************/
#if FLASH_DRIVER_IS_FLASH_RESIDENT
/*! @brief Copy flash_run_command() to RAM*/
static void copy_flash_run_command(uint32_t *flashRunCommand);
/*! @brief Copy flash_cache_clear_command() to RAM*/
static void copy_flash_common_bit_operation(uint32_t *flashCommonBitOperation);
/*! @brief Check whether flash execute-in-ram functions are ready*/
static status_t flash_check_execute_in_ram_function_info(flash_config_t *config);
#endif /* FLASH_DRIVER_IS_FLASH_RESIDENT */
/*! @brief Internal function Flash command sequence. Called by driver APIs only*/
static status_t flash_command_sequence(flash_config_t *config);
/*! @brief Perform the cache clear to the flash*/
void flash_cache_clear(flash_config_t *config);
/*! @brief Process the cache to the flash*/
static void flash_cache_clear_process(flash_config_t *config, flash_cache_clear_process_t process);
/*! @brief Validates the range and alignment of the given address range.*/
static status_t flash_check_range(flash_config_t *config,
uint32_t startAddress,
uint32_t lengthInBytes,
uint32_t alignmentBaseline);
/*! @brief Gets the right address, sector and block size of current flash type which is indicated by address.*/
static status_t flash_get_matched_operation_info(flash_config_t *config,
uint32_t address,
flash_operation_config_t *info);
/*! @brief Validates the given user key for flash erase APIs.*/
static status_t flash_check_user_key(uint32_t key);
#if FLASH_SSD_IS_FLEXNVM_ENABLED
/*! @brief Updates FlexNVM memory partition status according to data flash 0 IFR.*/
static status_t flash_update_flexnvm_memory_partition_status(flash_config_t *config);
#endif /* FLASH_SSD_IS_FLEXNVM_ENABLED */
#if defined(FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD) && FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD
/*! @brief Validates the range of the given resource address.*/
static status_t flash_check_resource_range(uint32_t start,
uint32_t lengthInBytes,
uint32_t alignmentBaseline,
flash_read_resource_option_t option);
#endif /* FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD */
#if defined(FSL_FEATURE_FLASH_HAS_SWAP_CONTROL_CMD) && FSL_FEATURE_FLASH_HAS_SWAP_CONTROL_CMD
/*! @brief Validates the gived swap control option.*/
static status_t flash_check_swap_control_option(flash_swap_control_option_t option);
#endif /* FSL_FEATURE_FLASH_HAS_SWAP_CONTROL_CMD */
#if defined(FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP) && FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP
/*! @brief Validates the gived address to see if it is equal to swap indicator address in pflash swap IFR.*/
static status_t flash_validate_swap_indicator_address(flash_config_t *config, uint32_t address);
#endif /* FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP */
#if defined(FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD) && FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD
/*! @brief Validates the gived flexram function option.*/
static inline status_t flasn_check_flexram_function_option_range(flash_flexram_function_option_t option);
#endif /* FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD */
/*! @brief Gets the flash protection information (region size, region count).*/
static status_t flash_get_protection_info(flash_config_t *config, flash_protection_config_t *info);
#if defined(FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL) && FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL
/*! @brief Gets the flash Execute-Only access information (Segment size, Segment count).*/
static status_t flash_get_access_info(flash_config_t *config, flash_access_config_t *info);
#endif /* FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL */
#if FLASH_CACHE_IS_CONTROLLED_BY_MCM
/*! @brief Performs the cache clear to the flash by MCM.*/
void mcm_flash_cache_clear(flash_config_t *config);
#endif /* FLASH_CACHE_IS_CONTROLLED_BY_MCM */
#if FLASH_CACHE_IS_CONTROLLED_BY_FMC
/*! @brief Performs the cache clear to the flash by FMC.*/
void fmc_flash_cache_clear(void);
#endif /* FLASH_CACHE_IS_CONTROLLED_BY_FMC */
#if FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_MSCM
/*! @brief Sets the prefetch speculation buffer to the flash by MSCM.*/
void mscm_flash_prefetch_speculation_enable(bool enable);
#endif /* FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_MSCM */
#if FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_FMC
/*! @brief Performs the prefetch speculation buffer clear to the flash by FMC.*/
void fmc_flash_prefetch_speculation_clear(void);
#endif /* FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_FMC */
/*******************************************************************************
* Variables
******************************************************************************/
/*! @brief Access to FTFx->FCCOB */
volatile uint32_t *const kFCCOBx = (volatile uint32_t *)&FTFx_FCCOB3_REG;
/*! @brief Access to FTFx->FPROT */
volatile uint32_t *const kFPROTL = (volatile uint32_t *)&FTFx_FPROT_LOW_REG;
#if defined(FTFx_FPROT_HIGH_REG)
volatile uint32_t *const kFPROTH = (volatile uint32_t *)&FTFx_FPROT_HIGH_REG;
#endif
#if FLASH_SSD_IS_SECONDARY_FLASH_ENABLED && FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_PROTECTION_REGISTER
volatile uint8_t *const kFPROTSL = (volatile uint8_t *)&FTFx_FPROTSL_REG;
volatile uint8_t *const kFPROTSH = (volatile uint8_t *)&FTFx_FPROTSH_REG;
#endif
#if FLASH_DRIVER_IS_FLASH_RESIDENT
/*! @brief A function pointer used to point to relocated flash_run_command() */
static void (*callFlashRunCommand)(FTFx_REG8_ACCESS_TYPE ftfx_fstat);
/*! @brief A function pointer used to point to relocated flash_common_bit_operation() */
static void (*callFlashCommonBitOperation)(FTFx_REG32_ACCESS_TYPE base,
uint32_t bitMask,
uint32_t bitShift,
uint32_t bitValue);
/*!
* @brief Position independent code of flash_run_command()
*
* Note1: The prototype of C function is shown as below:
* @code
* void flash_run_command(FTFx_REG8_ACCESS_TYPE ftfx_fstat)
* {
* // clear CCIF bit
* *ftfx_fstat = FTFx_FSTAT_CCIF_MASK;
*
* // Check CCIF bit of the flash status register, wait till it is set.
* // IP team indicates that this loop will always complete.
* while (!((*ftfx_fstat) & FTFx_FSTAT_CCIF_MASK))
* {
* }
* }
* @endcode
* Note2: The binary code is generated by IAR 7.70.1
*/
const static uint16_t s_flashRunCommandFunctionCode[] = {
0x2180, /* MOVS R1, #128 ; 0x80 */
0x7001, /* STRB R1, [R0] */
/* @4: */
0x7802, /* LDRB R2, [R0] */
0x420a, /* TST R2, R1 */
0xd0fc, /* BEQ.N @4 */
0x4770 /* BX LR */
};
/*!
* @brief Position independent code of flash_common_bit_operation()
*
* Note1: The prototype of C function is shown as below:
* @code
* void flash_common_bit_operation(FTFx_REG32_ACCESS_TYPE base, uint32_t bitMask, uint32_t bitShift, uint32_t
* bitValue)
* {
* if (bitMask)
* {
* uint32_t value = (((uint32_t)(((uint32_t)(bitValue)) << bitShift)) & bitMask);
* *base = (*base & (~bitMask)) | value;
* }
*
* __ISB();
* __DSB();
* }
* @endcode
* Note2: The binary code is generated by IAR 7.70.1
*/
const static uint16_t s_flashCommonBitOperationFunctionCode[] = {
0xb510, /* PUSH {R4, LR} */
0x2900, /* CMP R1, #0 */
0xd005, /* BEQ.N @12 */
0x6804, /* LDR R4, [R0] */
0x438c, /* BICS R4, R4, R1 */
0x4093, /* LSLS R3, R3, R2 */
0x4019, /* ANDS R1, R1, R3 */
0x4321, /* ORRS R1, R1, R4 */
0x6001, /* STR R1, [R0] */
/* @12: */
0xf3bf, 0x8f6f, /* ISB */
0xf3bf, 0x8f4f, /* DSB */
0xbd10 /* POP {R4, PC} */
};
#endif /* FLASH_DRIVER_IS_FLASH_RESIDENT */
#if (FLASH_DRIVER_IS_FLASH_RESIDENT && !FLASH_DRIVER_IS_EXPORTED)
/*! @brief A static buffer used to hold flash_run_command() */
static uint32_t s_flashRunCommand[kFLASH_ExecuteInRamFunctionMaxSizeInWords];
/*! @brief A static buffer used to hold flash_common_bit_operation() */
static uint32_t s_flashCommonBitOperation[kFLASH_ExecuteInRamFunctionMaxSizeInWords];
/*! @brief Flash execute-in-ram function information */
static flash_execute_in_ram_function_config_t s_flashExecuteInRamFunctionInfo;
#endif
/*!
* @brief Table of pflash sizes.
*
* The index into this table is the value of the SIM_FCFG1.PFSIZE bitfield.
*
* The values in this table have been right shifted 10 bits so that they will all fit within
* an 16-bit integer. To get the actual flash density, you must left shift the looked up value
* by 10 bits.
*
* Elements of this table have a value of 0 in cases where the PFSIZE bitfield value is
* reserved.
*
* Code to use the table:
* @code
* uint8_t pfsize = (SIM->FCFG1 & SIM_FCFG1_PFSIZE_MASK) >> SIM_FCFG1_PFSIZE_SHIFT;
* flashDensity = ((uint32_t)kPFlashDensities[pfsize]) << 10;
* @endcode
*/
#if (FLASH_MEMORY_SIZE_ENCODING_RULE == FLASH_MEMORY_SIZE_ENCODING_RULE_K1_2)
const uint16_t kPFlashDensities[] = {
8, /* 0x0 - 8192, 8KB */
16, /* 0x1 - 16384, 16KB */
24, /* 0x2 - 24576, 24KB */
32, /* 0x3 - 32768, 32KB */
48, /* 0x4 - 49152, 48KB */
64, /* 0x5 - 65536, 64KB */
96, /* 0x6 - 98304, 96KB */
128, /* 0x7 - 131072, 128KB */
192, /* 0x8 - 196608, 192KB */
256, /* 0x9 - 262144, 256KB */
384, /* 0xa - 393216, 384KB */
512, /* 0xb - 524288, 512KB */
768, /* 0xc - 786432, 768KB */
1024, /* 0xd - 1048576, 1MB */
1536, /* 0xe - 1572864, 1.5MB */
/* 2048, 0xf - 2097152, 2MB */
};
#elif(FLASH_MEMORY_SIZE_ENCODING_RULE == FLASH_MEMORY_SIZE_ENCODING_RULE_K3)
const uint16_t kPFlashDensities[] = {
0, /* 0x0 - undefined */
0, /* 0x1 - undefined */
0, /* 0x2 - undefined */
0, /* 0x3 - undefined */
0, /* 0x4 - undefined */
0, /* 0x5 - undefined */
0, /* 0x6 - undefined */
0, /* 0x7 - undefined */
0, /* 0x8 - undefined */
0, /* 0x9 - undefined */
256, /* 0xa - 262144, 256KB */
0, /* 0xb - undefined */
1024, /* 0xc - 1048576, 1MB */
0, /* 0xd - undefined */
0, /* 0xe - undefined */
0, /* 0xf - undefined */
};
#endif
/*******************************************************************************
* Code
******************************************************************************/
status_t FLASH_Init(flash_config_t *config)
{
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
#if FLASH_SSD_IS_SECONDARY_FLASH_ENABLED
if (config->FlashMemoryIndex == (uint8_t)kFLASH_MemoryIndexSecondaryFlash)
{
/* calculate the flash density from SIM_FCFG1.PFSIZE */
#if defined(SIM_FCFG1_CORE1_PFSIZE_MASK)
uint32_t flashDensity;
uint8_t pfsize = (SIM->FCFG1 & SIM_FCFG1_CORE1_PFSIZE_MASK) >> SIM_FCFG1_CORE1_PFSIZE_SHIFT;
if (pfsize == 0xf)
{
flashDensity = FSL_FEATURE_FLASH_PFLASH_1_BLOCK_COUNT * FSL_FEATURE_FLASH_PFLASH_1_BLOCK_SIZE;
}
else
{
flashDensity = ((uint32_t)kPFlashDensities[pfsize]) << 10;
}
config->PFlashTotalSize = flashDensity;
#else
/* Unused code to solve MISRA-C issue*/
config->PFlashBlockBase = kPFlashDensities[0];
config->PFlashTotalSize = FSL_FEATURE_FLASH_PFLASH_1_BLOCK_COUNT * FSL_FEATURE_FLASH_PFLASH_1_BLOCK_SIZE;
#endif
config->PFlashBlockBase = FSL_FEATURE_FLASH_PFLASH_1_START_ADDRESS;
config->PFlashBlockCount = FSL_FEATURE_FLASH_PFLASH_1_BLOCK_COUNT;
config->PFlashSectorSize = FSL_FEATURE_FLASH_PFLASH_1_BLOCK_SECTOR_SIZE;
}
else
#endif /* FLASH_SSD_IS_SECONDARY_FLASH_ENABLED */
{
uint32_t flashDensity;
/* calculate the flash density from SIM_FCFG1.PFSIZE */
#if defined(SIM_FCFG1_CORE0_PFSIZE_MASK)
uint8_t pfsize = (SIM->FCFG1 & SIM_FCFG1_CORE0_PFSIZE_MASK) >> SIM_FCFG1_CORE0_PFSIZE_SHIFT;
#elif defined(SIM_FCFG1_PFSIZE_MASK)
uint8_t pfsize = (SIM->FCFG1 & SIM_FCFG1_PFSIZE_MASK) >> SIM_FCFG1_PFSIZE_SHIFT;
#else
#error "Unknown flash size"
#endif
/* PFSIZE=0xf means that on customer parts the IFR was not correctly programmed.
* We just use the pre-defined flash size in feature file here to support pre-production parts */
if (pfsize == 0xf)
{
flashDensity = FSL_FEATURE_FLASH_PFLASH_BLOCK_COUNT * FSL_FEATURE_FLASH_PFLASH_BLOCK_SIZE;
}
else
{
flashDensity = ((uint32_t)kPFlashDensities[pfsize]) << 10;
}
/* fill out a few of the structure members */
config->PFlashBlockBase = FSL_FEATURE_FLASH_PFLASH_START_ADDRESS;
config->PFlashTotalSize = flashDensity;
config->PFlashBlockCount = FSL_FEATURE_FLASH_PFLASH_BLOCK_COUNT;
config->PFlashSectorSize = FSL_FEATURE_FLASH_PFLASH_BLOCK_SECTOR_SIZE;
}
{
#if defined(FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL) && FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL
#if FLASH_SSD_IS_SECONDARY_FLASH_ENABLED && FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_ACCESS_REGISTER
if (config->FlashMemoryIndex == (uint8_t)kFLASH_MemoryIndexSecondaryFlash)
{
config->PFlashAccessSegmentSize = kFLASH_AccessSegmentBase << FTFx->FACSSS;
config->PFlashAccessSegmentCount = FTFx->FACSNS;
}
else
#endif
{
config->PFlashAccessSegmentSize = kFLASH_AccessSegmentBase << FTFx->FACSS;
config->PFlashAccessSegmentCount = FTFx->FACSN;
}
#else
config->PFlashAccessSegmentSize = 0;
config->PFlashAccessSegmentCount = 0;
#endif /* FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL */
}
config->PFlashCallback = NULL;
/* copy required flash commands to RAM */
#if (FLASH_DRIVER_IS_FLASH_RESIDENT && !FLASH_DRIVER_IS_EXPORTED)
if (kStatus_FLASH_Success != flash_check_execute_in_ram_function_info(config))
{
s_flashExecuteInRamFunctionInfo.activeFunctionCount = 0;
s_flashExecuteInRamFunctionInfo.flashRunCommand = s_flashRunCommand;
s_flashExecuteInRamFunctionInfo.flashCommonBitOperation = s_flashCommonBitOperation;
config->flashExecuteInRamFunctionInfo = &s_flashExecuteInRamFunctionInfo.activeFunctionCount;
FLASH_PrepareExecuteInRamFunctions(config);
}
#endif
config->FlexRAMBlockBase = FSL_FEATURE_FLASH_FLEX_RAM_START_ADDRESS;
config->FlexRAMTotalSize = FSL_FEATURE_FLASH_FLEX_RAM_SIZE;
#if FLASH_SSD_IS_FLEXNVM_ENABLED
{
status_t returnCode;
config->DFlashBlockBase = FSL_FEATURE_FLASH_FLEX_NVM_START_ADDRESS;
returnCode = flash_update_flexnvm_memory_partition_status(config);
if (returnCode != kStatus_FLASH_Success)
{
return returnCode;
}
}
#endif
return kStatus_FLASH_Success;
}
status_t FLASH_SetCallback(flash_config_t *config, flash_callback_t callback)
{
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
config->PFlashCallback = callback;
return kStatus_FLASH_Success;
}
#if FLASH_DRIVER_IS_FLASH_RESIDENT
status_t FLASH_PrepareExecuteInRamFunctions(flash_config_t *config)
{
flash_execute_in_ram_function_config_t *flashExecuteInRamFunctionInfo;
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
flashExecuteInRamFunctionInfo = (flash_execute_in_ram_function_config_t *)config->flashExecuteInRamFunctionInfo;
copy_flash_run_command(flashExecuteInRamFunctionInfo->flashRunCommand);
copy_flash_common_bit_operation(flashExecuteInRamFunctionInfo->flashCommonBitOperation);
flashExecuteInRamFunctionInfo->activeFunctionCount = kFLASH_ExecuteInRamFunctionTotalNum;
return kStatus_FLASH_Success;
}
#endif /* FLASH_DRIVER_IS_FLASH_RESIDENT */
status_t FLASH_EraseAll(flash_config_t *config, uint32_t key)
{
status_t returnCode;
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
/* preparing passing parameter to erase all flash blocks */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_3(FTFx_ERASE_ALL_BLOCK, 0xFFFFFFU);
/* Validate the user key */
returnCode = flash_check_user_key(key);
if (returnCode)
{
return returnCode;
}
flash_cache_clear_process(config, kFLASH_CacheClearProcessPre);
/* calling flash command sequence function to execute the command */
returnCode = flash_command_sequence(config);
flash_cache_clear(config);
#if FLASH_SSD_IS_FLEXNVM_ENABLED
/* Data flash IFR will be erased by erase all command, so we need to
* update FlexNVM memory partition status synchronously */
if (returnCode == kStatus_FLASH_Success)
{
returnCode = flash_update_flexnvm_memory_partition_status(config);
}
#endif
return returnCode;
}
status_t FLASH_Erase(flash_config_t *config, uint32_t start, uint32_t lengthInBytes, uint32_t key)
{
uint32_t sectorSize;
flash_operation_config_t flashOperationInfo;
uint32_t endAddress; /* storing end address */
uint32_t numberOfSectors; /* number of sectors calculated by endAddress */
status_t returnCode;
flash_get_matched_operation_info(config, start, &flashOperationInfo);
/* Check the supplied address range. */
returnCode = flash_check_range(config, start, lengthInBytes, flashOperationInfo.sectorCmdAddressAligment);
if (returnCode)
{
return returnCode;
}
/* Validate the user key */
returnCode = flash_check_user_key(key);
if (returnCode)
{
return returnCode;
}
start = flashOperationInfo.convertedAddress;
sectorSize = flashOperationInfo.activeSectorSize;
/* calculating Flash end address */
endAddress = start + lengthInBytes - 1;
/* re-calculate the endAddress and align it to the start of the next sector
* which will be used in the comparison below */
if (endAddress % sectorSize)
{
numberOfSectors = endAddress / sectorSize + 1;
endAddress = numberOfSectors * sectorSize - 1;
}
flash_cache_clear_process(config, kFLASH_CacheClearProcessPre);
/* the start address will increment to the next sector address
* until it reaches the endAdddress */
while (start <= endAddress)
{
/* preparing passing parameter to erase a flash block */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_3(FTFx_ERASE_SECTOR, start);
/* calling flash command sequence function to execute the command */
returnCode = flash_command_sequence(config);
/* calling flash callback function if it is available */
if (config->PFlashCallback)
{
config->PFlashCallback();
}
/* checking the success of command execution */
if (kStatus_FLASH_Success != returnCode)
{
break;
}
else
{
/* Increment to the next sector */
start += sectorSize;
}
}
flash_cache_clear(config);
return (returnCode);
}
#if defined(FSL_FEATURE_FLASH_HAS_ERASE_ALL_BLOCKS_UNSECURE_CMD) && FSL_FEATURE_FLASH_HAS_ERASE_ALL_BLOCKS_UNSECURE_CMD
status_t FLASH_EraseAllUnsecure(flash_config_t *config, uint32_t key)
{
status_t returnCode;
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
/* Prepare passing parameter to erase all flash blocks (unsecure). */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_3(FTFx_ERASE_ALL_BLOCK_UNSECURE, 0xFFFFFFU);
/* Validate the user key */
returnCode = flash_check_user_key(key);
if (returnCode)
{
return returnCode;
}
flash_cache_clear_process(config, kFLASH_CacheClearProcessPre);
/* calling flash command sequence function to execute the command */
returnCode = flash_command_sequence(config);
flash_cache_clear(config);
#if FLASH_SSD_IS_FLEXNVM_ENABLED
/* Data flash IFR will be erased by erase all unsecure command, so we need to
* update FlexNVM memory partition status synchronously */
if (returnCode == kStatus_FLASH_Success)
{
returnCode = flash_update_flexnvm_memory_partition_status(config);
}
#endif
return returnCode;
}
#endif /* FSL_FEATURE_FLASH_HAS_ERASE_ALL_BLOCKS_UNSECURE_CMD */
status_t FLASH_EraseAllExecuteOnlySegments(flash_config_t *config, uint32_t key)
{
status_t returnCode;
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
/* preparing passing parameter to erase all execute-only segments
* 1st element for the FCCOB register */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_3(FTFx_ERASE_ALL_EXECUTE_ONLY_SEGMENT, 0xFFFFFFU);
/* Validate the user key */
returnCode = flash_check_user_key(key);
if (returnCode)
{
return returnCode;
}
flash_cache_clear_process(config, kFLASH_CacheClearProcessPre);
/* calling flash command sequence function to execute the command */
returnCode = flash_command_sequence(config);
flash_cache_clear(config);
return returnCode;
}
status_t FLASH_Program(flash_config_t *config, uint32_t start, uint32_t *src, uint32_t lengthInBytes)
{
status_t returnCode;
flash_operation_config_t flashOperationInfo;
if (src == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
flash_get_matched_operation_info(config, start, &flashOperationInfo);
/* Check the supplied address range. */
returnCode = flash_check_range(config, start, lengthInBytes, flashOperationInfo.blockWriteUnitSize);
if (returnCode)
{
return returnCode;
}
start = flashOperationInfo.convertedAddress;
flash_cache_clear_process(config, kFLASH_CacheClearProcessPre);
while (lengthInBytes > 0)
{
/* preparing passing parameter to program the flash block */
kFCCOBx[1] = *src++;
if (4 == flashOperationInfo.blockWriteUnitSize)
{
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_3(FTFx_PROGRAM_LONGWORD, start);
}
else if (8 == flashOperationInfo.blockWriteUnitSize)
{
kFCCOBx[2] = *src++;
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_3(FTFx_PROGRAM_PHRASE, start);
}
else
{
}
/* calling flash command sequence function to execute the command */
returnCode = flash_command_sequence(config);
/* calling flash callback function if it is available */
if (config->PFlashCallback)
{
config->PFlashCallback();
}
/* checking for the success of command execution */
if (kStatus_FLASH_Success != returnCode)
{
break;
}
else
{
/* update start address for next iteration */
start += flashOperationInfo.blockWriteUnitSize;
/* update lengthInBytes for next iteration */
lengthInBytes -= flashOperationInfo.blockWriteUnitSize;
}
}
flash_cache_clear(config);
return (returnCode);
}
status_t FLASH_ProgramOnce(flash_config_t *config, uint32_t index, uint32_t *src, uint32_t lengthInBytes)
{
status_t returnCode;
if ((config == NULL) || (src == NULL))
{
return kStatus_FLASH_InvalidArgument;
}
/* pass paramters to FTFx */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_1_2(FTFx_PROGRAM_ONCE, index, 0xFFFFU);
kFCCOBx[1] = *src;
/* Note: Have to seperate the first index from the rest if it equals 0
* to avoid a pointless comparison of unsigned int to 0 compiler warning */
#if FLASH_PROGRAM_ONCE_IS_8BYTES_UNIT_SUPPORT
#if FLASH_PROGRAM_ONCE_IS_4BYTES_UNIT_SUPPORT
if (((index == FLASH_PROGRAM_ONCE_MIN_ID_8BYTES) ||
/* Range check */
((index >= FLASH_PROGRAM_ONCE_MIN_ID_8BYTES + 1) && (index <= FLASH_PROGRAM_ONCE_MAX_ID_8BYTES))) &&
(lengthInBytes == 8))
#endif /* FLASH_PROGRAM_ONCE_IS_4BYTES_UNIT_SUPPORT */
{
kFCCOBx[2] = *(src + 1);
}
#endif /* FLASH_PROGRAM_ONCE_IS_8BYTES_UNIT_SUPPORT */
flash_cache_clear_process(config, kFLASH_CacheClearProcessPre);
/* calling flash command sequence function to execute the command */
returnCode = flash_command_sequence(config);
flash_cache_clear(config);
return returnCode;
}
#if defined(FSL_FEATURE_FLASH_HAS_PROGRAM_SECTION_CMD) && FSL_FEATURE_FLASH_HAS_PROGRAM_SECTION_CMD
status_t FLASH_ProgramSection(flash_config_t *config, uint32_t start, uint32_t *src, uint32_t lengthInBytes)
{
status_t returnCode;
uint32_t sectorSize;
flash_operation_config_t flashOperationInfo;
#if defined(FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD) && FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD
bool needSwitchFlexRamMode = false;
#endif /* FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD */
if (src == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
flash_get_matched_operation_info(config, start, &flashOperationInfo);
/* Check the supplied address range. */
returnCode = flash_check_range(config, start, lengthInBytes, flashOperationInfo.sectionCmdAddressAligment);
if (returnCode)
{
return returnCode;
}
start = flashOperationInfo.convertedAddress;
sectorSize = flashOperationInfo.activeSectorSize;
#if defined(FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD) && FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD
/* Switch function of FlexRAM if needed */
if (!(FTFx->FCNFG & FTFx_FCNFG_RAMRDY_MASK))
{
needSwitchFlexRamMode = true;
returnCode = FLASH_SetFlexramFunction(config, kFLASH_FlexramFunctionOptionAvailableAsRam);
if (returnCode != kStatus_FLASH_Success)
{
return kStatus_FLASH_SetFlexramAsRamError;
}
}
#endif /* FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD */
flash_cache_clear_process(config, kFLASH_CacheClearProcessPre);
while (lengthInBytes > 0)
{
/* Make sure the write operation doesn't span two sectors */
uint32_t endAddressOfCurrentSector = ALIGN_UP(start, sectorSize);
uint32_t lengthTobeProgrammedOfCurrentSector;
uint32_t currentOffset = 0;
if (endAddressOfCurrentSector == start)
{
endAddressOfCurrentSector += sectorSize;
}
if (lengthInBytes + start > endAddressOfCurrentSector)
{
lengthTobeProgrammedOfCurrentSector = endAddressOfCurrentSector - start;
}
else
{
lengthTobeProgrammedOfCurrentSector = lengthInBytes;
}
/* Program Current Sector */
while (lengthTobeProgrammedOfCurrentSector > 0)
{
/* Make sure the program size doesn't exceeds Acceleration RAM size */
uint32_t programSizeOfCurrentPass;
uint32_t numberOfPhases;
if (lengthTobeProgrammedOfCurrentSector > kFLASH_AccelerationRamSize)
{
programSizeOfCurrentPass = kFLASH_AccelerationRamSize;
}
else
{
programSizeOfCurrentPass = lengthTobeProgrammedOfCurrentSector;
}
/* Copy data to FlexRAM */
memcpy((void *)FSL_FEATURE_FLASH_FLEX_RAM_START_ADDRESS, src + currentOffset / 4, programSizeOfCurrentPass);
/* Set start address of the data to be programmed */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_3(FTFx_PROGRAM_SECTION, start + currentOffset);
/* Set program size in terms of FEATURE_FLASH_SECTION_CMD_ADDRESS_ALIGMENT */
numberOfPhases = programSizeOfCurrentPass / flashOperationInfo.sectionCmdAddressAligment;
kFCCOBx[1] = BYTES_JOIN_TO_WORD_2_2(numberOfPhases, 0xFFFFU);
/* Peform command sequence */
returnCode = flash_command_sequence(config);
/* calling flash callback function if it is available */
if (config->PFlashCallback)
{
config->PFlashCallback();
}
if (returnCode != kStatus_FLASH_Success)
{
flash_cache_clear(config);
return returnCode;
}
lengthTobeProgrammedOfCurrentSector -= programSizeOfCurrentPass;
currentOffset += programSizeOfCurrentPass;
}
src += currentOffset / 4;
start += currentOffset;
lengthInBytes -= currentOffset;
}
flash_cache_clear(config);
#if defined(FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD) && FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD
/* Restore function of FlexRAM if needed. */
if (needSwitchFlexRamMode)
{
returnCode = FLASH_SetFlexramFunction(config, kFLASH_FlexramFunctionOptionAvailableForEeprom);
if (returnCode != kStatus_FLASH_Success)
{
return kStatus_FLASH_RecoverFlexramAsEepromError;
}
}
#endif /* FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD */
return returnCode;
}
#endif /* FSL_FEATURE_FLASH_HAS_PROGRAM_SECTION_CMD */
#if FLASH_SSD_IS_FLEXNVM_ENABLED
status_t FLASH_EepromWrite(flash_config_t *config, uint32_t start, uint8_t *src, uint32_t lengthInBytes)
{
status_t returnCode;
bool needSwitchFlexRamMode = false;
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
/* Validates the range of the given address */
if ((start < config->FlexRAMBlockBase) ||
((start + lengthInBytes) > (config->FlexRAMBlockBase + config->EEpromTotalSize)))
{
return kStatus_FLASH_AddressError;
}
returnCode = kStatus_FLASH_Success;
/* Switch function of FlexRAM if needed */
if (!(FTFx->FCNFG & FTFx_FCNFG_EEERDY_MASK))
{
needSwitchFlexRamMode = true;
returnCode = FLASH_SetFlexramFunction(config, kFLASH_FlexramFunctionOptionAvailableForEeprom);
if (returnCode != kStatus_FLASH_Success)
{
return kStatus_FLASH_SetFlexramAsEepromError;
}
}
/* Write data to FlexRAM when it is used as EEPROM emulator */
while (lengthInBytes > 0)
{
if ((!(start & 0x3U)) && (lengthInBytes >= 4))
{
*(uint32_t *)start = *(uint32_t *)src;
start += 4;
src += 4;
lengthInBytes -= 4;
}
else if ((!(start & 0x1U)) && (lengthInBytes >= 2))
{
*(uint16_t *)start = *(uint16_t *)src;
start += 2;
src += 2;
lengthInBytes -= 2;
}
else
{
*(uint8_t *)start = *src;
start += 1;
src += 1;
lengthInBytes -= 1;
}
/* Wait till EEERDY bit is set */
while (!(FTFx->FCNFG & FTFx_FCNFG_EEERDY_MASK))
{
}
/* Check for protection violation error */
if (FTFx->FSTAT & FTFx_FSTAT_FPVIOL_MASK)
{
return kStatus_FLASH_ProtectionViolation;
}
}
/* Switch function of FlexRAM if needed */
if (needSwitchFlexRamMode)
{
returnCode = FLASH_SetFlexramFunction(config, kFLASH_FlexramFunctionOptionAvailableAsRam);
if (returnCode != kStatus_FLASH_Success)
{
return kStatus_FLASH_RecoverFlexramAsRamError;
}
}
return returnCode;
}
#endif /* FLASH_SSD_IS_FLEXNVM_ENABLED */
#if defined(FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD) && FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD
status_t FLASH_ReadResource(
flash_config_t *config, uint32_t start, uint32_t *dst, uint32_t lengthInBytes, flash_read_resource_option_t option)
{
status_t returnCode;
flash_operation_config_t flashOperationInfo;
if ((config == NULL) || (dst == NULL))
{
return kStatus_FLASH_InvalidArgument;
}
flash_get_matched_operation_info(config, start, &flashOperationInfo);
/* Check the supplied address range. */
returnCode =
flash_check_resource_range(start, lengthInBytes, flashOperationInfo.resourceCmdAddressAligment, option);
if (returnCode != kStatus_FLASH_Success)
{
return returnCode;
}
while (lengthInBytes > 0)
{
/* preparing passing parameter */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_3(FTFx_READ_RESOURCE, start);
if (flashOperationInfo.resourceCmdAddressAligment == 4)
{
kFCCOBx[2] = BYTES_JOIN_TO_WORD_1_3(option, 0xFFFFFFU);
}
else if (flashOperationInfo.resourceCmdAddressAligment == 8)
{
kFCCOBx[1] = BYTES_JOIN_TO_WORD_1_3(option, 0xFFFFFFU);
}
else
{
}
/* calling flash command sequence function to execute the command */
returnCode = flash_command_sequence(config);
if (kStatus_FLASH_Success != returnCode)
{
break;
}
/* fetch data */
*dst++ = kFCCOBx[1];
if (flashOperationInfo.resourceCmdAddressAligment == 8)
{
*dst++ = kFCCOBx[2];
}
/* update start address for next iteration */
start += flashOperationInfo.resourceCmdAddressAligment;
/* update lengthInBytes for next iteration */
lengthInBytes -= flashOperationInfo.resourceCmdAddressAligment;
}
return (returnCode);
}
#endif /* FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD */
status_t FLASH_ReadOnce(flash_config_t *config, uint32_t index, uint32_t *dst, uint32_t lengthInBytes)
{
status_t returnCode;
if ((config == NULL) || (dst == NULL))
{
return kStatus_FLASH_InvalidArgument;
}
/* pass paramters to FTFx */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_1_2(FTFx_READ_ONCE, index, 0xFFFFU);
/* calling flash command sequence function to execute the command */
returnCode = flash_command_sequence(config);
if (kStatus_FLASH_Success == returnCode)
{
*dst = kFCCOBx[1];
/* Note: Have to seperate the first index from the rest if it equals 0
* to avoid a pointless comparison of unsigned int to 0 compiler warning */
#if FLASH_PROGRAM_ONCE_IS_8BYTES_UNIT_SUPPORT
#if FLASH_PROGRAM_ONCE_IS_4BYTES_UNIT_SUPPORT
if (((index == FLASH_PROGRAM_ONCE_MIN_ID_8BYTES) ||
/* Range check */
((index >= FLASH_PROGRAM_ONCE_MIN_ID_8BYTES + 1) && (index <= FLASH_PROGRAM_ONCE_MAX_ID_8BYTES))) &&
(lengthInBytes == 8))
#endif /* FLASH_PROGRAM_ONCE_IS_4BYTES_UNIT_SUPPORT */
{
*(dst + 1) = kFCCOBx[2];
}
#endif /* FLASH_PROGRAM_ONCE_IS_8BYTES_UNIT_SUPPORT */
}
return returnCode;
}
status_t FLASH_GetSecurityState(flash_config_t *config, flash_security_state_t *state)
{
/* store data read from flash register */
uint8_t registerValue;
if ((config == NULL) || (state == NULL))
{
return kStatus_FLASH_InvalidArgument;
}
/* Get flash security register value */
registerValue = FTFx->FSEC;
/* check the status of the flash security bits in the security register */
if (FLASH_SECURITY_STATE_UNSECURED == (registerValue & FTFx_FSEC_SEC_MASK))
{
/* Flash in unsecured state */
*state = kFLASH_SecurityStateNotSecure;
}
else
{
/* Flash in secured state
* check for backdoor key security enable bit */
if (FLASH_SECURITY_STATE_KEYEN == (registerValue & FTFx_FSEC_KEYEN_MASK))
{
/* Backdoor key security enabled */
*state = kFLASH_SecurityStateBackdoorEnabled;
}
else
{
/* Backdoor key security disabled */
*state = kFLASH_SecurityStateBackdoorDisabled;
}
}
return (kStatus_FLASH_Success);
}
status_t FLASH_SecurityBypass(flash_config_t *config, const uint8_t *backdoorKey)
{
uint8_t registerValue; /* registerValue */
status_t returnCode; /* return code variable */
if ((config == NULL) || (backdoorKey == NULL))
{
return kStatus_FLASH_InvalidArgument;
}
/* set the default return code as kStatus_Success */
returnCode = kStatus_FLASH_Success;
/* Get flash security register value */
registerValue = FTFx->FSEC;
/* Check to see if flash is in secure state (any state other than 0x2)
* If not, then skip this since flash is not secure */
if (0x02 != (registerValue & 0x03))
{
/* preparing passing parameter to erase a flash block */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_3(FTFx_SECURITY_BY_PASS, 0xFFFFFFU);
kFCCOBx[1] = BYTES_JOIN_TO_WORD_1_1_1_1(backdoorKey[0], backdoorKey[1], backdoorKey[2], backdoorKey[3]);
kFCCOBx[2] = BYTES_JOIN_TO_WORD_1_1_1_1(backdoorKey[4], backdoorKey[5], backdoorKey[6], backdoorKey[7]);
/* calling flash command sequence function to execute the command */
returnCode = flash_command_sequence(config);
}
return (returnCode);
}
status_t FLASH_VerifyEraseAll(flash_config_t *config, flash_margin_value_t margin)
{
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
/* preparing passing parameter to verify all block command */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_1_2(FTFx_VERIFY_ALL_BLOCK, margin, 0xFFFFU);
/* calling flash command sequence function to execute the command */
return flash_command_sequence(config);
}
status_t FLASH_VerifyErase(flash_config_t *config, uint32_t start, uint32_t lengthInBytes, flash_margin_value_t margin)
{
/* Check arguments. */
uint32_t blockSize;
flash_operation_config_t flashOperationInfo;
uint32_t nextBlockStartAddress;
uint32_t remainingBytes;
status_t returnCode;
flash_get_matched_operation_info(config, start, &flashOperationInfo);
returnCode = flash_check_range(config, start, lengthInBytes, flashOperationInfo.sectionCmdAddressAligment);
if (returnCode)
{
return returnCode;
}
flash_get_matched_operation_info(config, start, &flashOperationInfo);
start = flashOperationInfo.convertedAddress;
blockSize = flashOperationInfo.activeBlockSize;
nextBlockStartAddress = ALIGN_UP(start, blockSize);
if (nextBlockStartAddress == start)
{
nextBlockStartAddress += blockSize;
}
remainingBytes = lengthInBytes;
while (remainingBytes)
{
uint32_t numberOfPhrases;
uint32_t verifyLength = nextBlockStartAddress - start;
if (verifyLength > remainingBytes)
{
verifyLength = remainingBytes;
}
numberOfPhrases = verifyLength / flashOperationInfo.sectionCmdAddressAligment;
/* Fill in verify section command parameters. */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_3(FTFx_VERIFY_SECTION, start);
kFCCOBx[1] = BYTES_JOIN_TO_WORD_2_1_1(numberOfPhrases, margin, 0xFFU);
/* calling flash command sequence function to execute the command */
returnCode = flash_command_sequence(config);
if (returnCode)
{
return returnCode;
}
remainingBytes -= verifyLength;
start += verifyLength;
nextBlockStartAddress += blockSize;
}
return kStatus_FLASH_Success;
}
status_t FLASH_VerifyProgram(flash_config_t *config,
uint32_t start,
uint32_t lengthInBytes,
const uint32_t *expectedData,
flash_margin_value_t margin,
uint32_t *failedAddress,
uint32_t *failedData)
{
status_t returnCode;
flash_operation_config_t flashOperationInfo;
if (expectedData == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
flash_get_matched_operation_info(config, start, &flashOperationInfo);
returnCode = flash_check_range(config, start, lengthInBytes, flashOperationInfo.checkCmdAddressAligment);
if (returnCode)
{
return returnCode;
}
start = flashOperationInfo.convertedAddress;
while (lengthInBytes)
{
/* preparing passing parameter to program check the flash block */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_3(FTFx_PROGRAM_CHECK, start);
kFCCOBx[1] = BYTES_JOIN_TO_WORD_1_3(margin, 0xFFFFFFU);
kFCCOBx[2] = *expectedData;
/* calling flash command sequence function to execute the command */
returnCode = flash_command_sequence(config);
/* checking for the success of command execution */
if (kStatus_FLASH_Success != returnCode)
{
if (failedAddress)
{
*failedAddress = start;
}
if (failedData)
{
*failedData = 0;
}
break;
}
lengthInBytes -= flashOperationInfo.checkCmdAddressAligment;
expectedData += flashOperationInfo.checkCmdAddressAligment / sizeof(*expectedData);
start += flashOperationInfo.checkCmdAddressAligment;
}
return (returnCode);
}
status_t FLASH_VerifyEraseAllExecuteOnlySegments(flash_config_t *config, flash_margin_value_t margin)
{
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
/* preparing passing parameter to verify erase all execute-only segments command */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_1_2(FTFx_VERIFY_ALL_EXECUTE_ONLY_SEGMENT, margin, 0xFFFFU);
/* calling flash command sequence function to execute the command */
return flash_command_sequence(config);
}
status_t FLASH_IsProtected(flash_config_t *config,
uint32_t start,
uint32_t lengthInBytes,
flash_protection_state_t *protection_state)
{
uint32_t endAddress; /* end address for protection check */
uint32_t regionCheckedCounter; /* increments each time the flash address was checked for
* protection status */
uint32_t regionCounter; /* incrementing variable used to increment through the flash
* protection regions */
uint32_t protectStatusCounter; /* increments each time a flash region was detected as protected */
uint8_t flashRegionProtectStatus[FSL_FEATURE_FLASH_PFLASH_PROTECTION_REGION_COUNT]; /* array of the protection
* status for each
* protection region */
uint32_t flashRegionAddress[FSL_FEATURE_FLASH_PFLASH_PROTECTION_REGION_COUNT +
1]; /* array of the start addresses for each flash
* protection region. Note this is REGION_COUNT+1
* due to requiring the next start address after
* the end of flash for loop-check purposes below */
flash_protection_config_t flashProtectionInfo; /* flash protection information */
status_t returnCode;
if (protection_state == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
/* Check the supplied address range. */
returnCode = flash_check_range(config, start, lengthInBytes, FSL_FEATURE_FLASH_PFLASH_BLOCK_WRITE_UNIT_SIZE);
if (returnCode)
{
return returnCode;
}
/* Get necessary flash protection information. */
returnCode = flash_get_protection_info(config, &flashProtectionInfo);
if (returnCode)
{
return returnCode;
}
/* calculating Flash end address */
endAddress = start + lengthInBytes;
/* populate the flashRegionAddress array with the start address of each flash region */
regionCounter = 0; /* make sure regionCounter is initialized to 0 first */
/* populate up to 33rd element of array, this is the next address after end of flash array */
while (regionCounter <= flashProtectionInfo.regionCount)
{
flashRegionAddress[regionCounter] =
flashProtectionInfo.regionBase + flashProtectionInfo.regionSize * regionCounter;
regionCounter++;
}
/* populate flashRegionProtectStatus array with status information
* Protection status for each region is stored in the FPROT[3:0] registers
* Each bit represents one region of flash
* 4 registers * 8-bits-per-register = 32-bits (32-regions)
* The convention is:
* FPROT3[bit 0] is the first protection region (start of flash memory)
* FPROT0[bit 7] is the last protection region (end of flash memory)
* regionCounter is used to determine which FPROT[3:0] register to check for protection status
* Note: FPROT=1 means NOT protected, FPROT=0 means protected */
regionCounter = 0; /* make sure regionCounter is initialized to 0 first */
while (regionCounter < flashProtectionInfo.regionCount)
{
#if FLASH_SSD_IS_SECONDARY_FLASH_ENABLED && FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_PROTECTION_REGISTER
if (config->FlashMemoryIndex == (uint8_t)kFLASH_MemoryIndexSecondaryFlash)
{
if (regionCounter < 8)
{
flashRegionProtectStatus[regionCounter] = (FTFx_FPROTSL_REG >> regionCounter) & (0x01u);
}
else if ((regionCounter >= 8) && (regionCounter < 16))
{
flashRegionProtectStatus[regionCounter] = (FTFx_FPROTSH_REG >> (regionCounter - 8)) & (0x01u);
}
else
{
break;
}
}
else
#endif
{
/* Note: So far protection region count may be 16/20/24/32/64 */
if (regionCounter < 8)
{
flashRegionProtectStatus[regionCounter] = (FTFx_FPROTL3_REG >> regionCounter) & (0x01u);
}
else if ((regionCounter >= 8) && (regionCounter < 16))
{
flashRegionProtectStatus[regionCounter] = (FTFx_FPROTL2_REG >> (regionCounter - 8)) & (0x01u);
}
#if defined(FSL_FEATURE_FLASH_PFLASH_PROTECTION_REGION_COUNT) && (FSL_FEATURE_FLASH_PFLASH_PROTECTION_REGION_COUNT > 16)
#if (FSL_FEATURE_FLASH_PFLASH_PROTECTION_REGION_COUNT == 20)
else if ((regionCounter >= 16) && (regionCounter < 20))
{
flashRegionProtectStatus[regionCounter] = (FTFx_FPROTL1_REG >> (regionCounter - 16)) & (0x01u);
}
#else
else if ((regionCounter >= 16) && (regionCounter < 24))
{
flashRegionProtectStatus[regionCounter] = (FTFx_FPROTL1_REG >> (regionCounter - 16)) & (0x01u);
}
#endif /* (FSL_FEATURE_FLASH_PFLASH_PROTECTION_REGION_COUNT == 20) */
#endif
#if defined(FSL_FEATURE_FLASH_PFLASH_PROTECTION_REGION_COUNT) && (FSL_FEATURE_FLASH_PFLASH_PROTECTION_REGION_COUNT > 24)
else if ((regionCounter >= 24) && (regionCounter < 32))
{
flashRegionProtectStatus[regionCounter] = (FTFx_FPROTL0_REG >> (regionCounter - 24)) & (0x01u);
}
#endif
#if defined(FSL_FEATURE_FLASH_PFLASH_PROTECTION_REGION_COUNT) && \
(FSL_FEATURE_FLASH_PFLASH_PROTECTION_REGION_COUNT == 64)
else if (regionCounter < 40)
{
flashRegionProtectStatus[regionCounter] = (FTFx_FPROTH3_REG >> (regionCounter - 32)) & (0x01u);
}
else if (regionCounter < 48)
{
flashRegionProtectStatus[regionCounter] = (FTFx_FPROTH2_REG >> (regionCounter - 40)) & (0x01u);
}
else if (regionCounter < 56)
{
flashRegionProtectStatus[regionCounter] = (FTFx_FPROTH1_REG >> (regionCounter - 48)) & (0x01u);
}
else if (regionCounter < 64)
{
flashRegionProtectStatus[regionCounter] = (FTFx_FPROTH0_REG >> (regionCounter - 56)) & (0x01u);
}
#endif
else
{
break;
}
}
regionCounter++;
}
/* loop through the flash regions and check
* desired flash address range for protection status
* loop stops when it is detected that start has exceeded the endAddress */
regionCounter = 0; /* make sure regionCounter is initialized to 0 first */
regionCheckedCounter = 0;
protectStatusCounter = 0; /* make sure protectStatusCounter is initialized to 0 first */
while (start < endAddress)
{
/* check to see if the address falls within this protection region
* Note that if the entire flash is to be checked, the last protection
* region checked would consist of the last protection start address and
* the start address following the end of flash */
if ((start >= flashRegionAddress[regionCounter]) && (start < flashRegionAddress[regionCounter + 1]))
{
/* increment regionCheckedCounter to indicate this region was checked */
regionCheckedCounter++;
/* check the protection status of this region
* Note: FPROT=1 means NOT protected, FPROT=0 means protected */
if (!flashRegionProtectStatus[regionCounter])
{
/* increment protectStatusCounter to indicate this region is protected */
protectStatusCounter++;
}
start += flashProtectionInfo.regionSize; /* increment to an address within the next region */
}
regionCounter++; /* increment regionCounter to check for the next flash protection region */
}
/* if protectStatusCounter == 0, then no region of the desired flash region is protected */
if (protectStatusCounter == 0)
{
*protection_state = kFLASH_ProtectionStateUnprotected;
}
/* if protectStatusCounter == regionCheckedCounter, then each region checked was protected */
else if (protectStatusCounter == regionCheckedCounter)
{
*protection_state = kFLASH_ProtectionStateProtected;
}
/* if protectStatusCounter != regionCheckedCounter, then protection status is mixed
* In other words, some regions are protected while others are unprotected */
else
{
*protection_state = kFLASH_ProtectionStateMixed;
}
return (returnCode);
}
status_t FLASH_IsExecuteOnly(flash_config_t *config,
uint32_t start,
uint32_t lengthInBytes,
flash_execute_only_access_state_t *access_state)
{
#if defined(FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL) && FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL
flash_access_config_t flashAccessInfo; /* flash Execute-Only information */
#endif /* FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL */
status_t returnCode;
if (access_state == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
/* Check the supplied address range. */
returnCode = flash_check_range(config, start, lengthInBytes, FSL_FEATURE_FLASH_PFLASH_BLOCK_WRITE_UNIT_SIZE);
if (returnCode)
{
return returnCode;
}
#if defined(FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL) && FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL
/* Get necessary flash Execute-Only information. */
returnCode = flash_get_access_info(config, &flashAccessInfo);
if (returnCode)
{
return returnCode;
}
{
uint32_t executeOnlySegmentCounter = 0;
/* calculating end address */
uint32_t endAddress = start + lengthInBytes;
/* Aligning start address and end address */
uint32_t alignedStartAddress = ALIGN_DOWN(start, flashAccessInfo.SegmentSize);
uint32_t alignedEndAddress = ALIGN_UP(endAddress, flashAccessInfo.SegmentSize);
uint32_t segmentIndex = 0;
uint32_t maxSupportedExecuteOnlySegmentCount =
(alignedEndAddress - alignedStartAddress) / flashAccessInfo.SegmentSize;
while (start < endAddress)
{
uint32_t xacc;
segmentIndex = (start - flashAccessInfo.SegmentBase) / flashAccessInfo.SegmentSize;
#if FLASH_SSD_IS_SECONDARY_FLASH_ENABLED && FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_ACCESS_REGISTER
if (config->FlashMemoryIndex == (uint8_t)kFLASH_MemoryIndexSecondaryFlash)
{
/* For secondary flash, The two XACCS registers allow up to 16 restricted segments of equal memory size.
*/
if (segmentIndex < 8)
{
xacc = *(const volatile uint8_t *)&FTFx_XACCSL_REG;
}
else if (segmentIndex < flashAccessInfo.SegmentCount)
{
xacc = *(const volatile uint8_t *)&FTFx_XACCSH_REG;
segmentIndex -= 8;
}
else
{
break;
}
}
else
#endif
{
/* For primary flash, The eight XACC registers allow up to 64 restricted segments of equal memory size.
*/
if (segmentIndex < 32)
{
xacc = *(const volatile uint32_t *)&FTFx_XACCL3_REG;
}
else if (segmentIndex < flashAccessInfo.SegmentCount)
{
xacc = *(const volatile uint32_t *)&FTFx_XACCH3_REG;
segmentIndex -= 32;
}
else
{
break;
}
}
/* Determine if this address range is in a execute-only protection flash segment. */
if ((~xacc) & (1u << segmentIndex))
{
executeOnlySegmentCounter++;
}
start += flashAccessInfo.SegmentSize;
}
if (executeOnlySegmentCounter < 1u)
{
*access_state = kFLASH_AccessStateUnLimited;
}
else if (executeOnlySegmentCounter < maxSupportedExecuteOnlySegmentCount)
{
*access_state = kFLASH_AccessStateMixed;
}
else
{
*access_state = kFLASH_AccessStateExecuteOnly;
}
}
#else
*access_state = kFLASH_AccessStateUnLimited;
#endif /* FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL */
return (returnCode);
}
status_t FLASH_GetProperty(flash_config_t *config, flash_property_tag_t whichProperty, uint32_t *value)
{
if ((config == NULL) || (value == NULL))
{
return kStatus_FLASH_InvalidArgument;
}
switch (whichProperty)
{
case kFLASH_PropertyPflashSectorSize:
*value = config->PFlashSectorSize;
break;
case kFLASH_PropertyPflashTotalSize:
*value = config->PFlashTotalSize;
break;
case kFLASH_PropertyPflashBlockSize:
*value = config->PFlashTotalSize / FSL_FEATURE_FLASH_PFLASH_BLOCK_COUNT;
break;
case kFLASH_PropertyPflashBlockCount:
*value = (uint32_t)config->PFlashBlockCount;
break;
case kFLASH_PropertyPflashBlockBaseAddr:
*value = config->PFlashBlockBase;
break;
case kFLASH_PropertyPflashFacSupport:
#if defined(FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL)
*value = FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL;
#else
*value = 0;
#endif /* FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL */
break;
case kFLASH_PropertyPflashAccessSegmentSize:
*value = config->PFlashAccessSegmentSize;
break;
case kFLASH_PropertyPflashAccessSegmentCount:
*value = config->PFlashAccessSegmentCount;
break;
case kFLASH_PropertyFlexRamBlockBaseAddr:
*value = config->FlexRAMBlockBase;
break;
case kFLASH_PropertyFlexRamTotalSize:
*value = config->FlexRAMTotalSize;
break;
#if FLASH_SSD_IS_FLEXNVM_ENABLED
case kFLASH_PropertyDflashSectorSize:
*value = FSL_FEATURE_FLASH_FLEX_NVM_BLOCK_SECTOR_SIZE;
break;
case kFLASH_PropertyDflashTotalSize:
*value = config->DFlashTotalSize;
break;
case kFLASH_PropertyDflashBlockSize:
*value = FSL_FEATURE_FLASH_FLEX_NVM_BLOCK_SIZE;
break;
case kFLASH_PropertyDflashBlockCount:
*value = FSL_FEATURE_FLASH_FLEX_NVM_BLOCK_COUNT;
break;
case kFLASH_PropertyDflashBlockBaseAddr:
*value = config->DFlashBlockBase;
break;
case kFLASH_PropertyEepromTotalSize:
*value = config->EEpromTotalSize;
break;
#endif /* FLASH_SSD_IS_FLEXNVM_ENABLED */
default: /* catch inputs that are not recognized */
return kStatus_FLASH_UnknownProperty;
}
return kStatus_FLASH_Success;
}
status_t FLASH_SetProperty(flash_config_t *config, flash_property_tag_t whichProperty, uint32_t value)
{
status_t status = kStatus_FLASH_Success;
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
switch (whichProperty)
{
#if FLASH_SSD_IS_SECONDARY_FLASH_ENABLED
case kFLASH_PropertyFlashMemoryIndex:
if ((value != (uint32_t)kFLASH_MemoryIndexPrimaryFlash) &&
(value != (uint32_t)kFLASH_MemoryIndexSecondaryFlash))
{
return kStatus_FLASH_InvalidPropertyValue;
}
config->FlashMemoryIndex = (uint8_t)value;
break;
#endif /* FLASH_SSD_IS_SECONDARY_FLASH_ENABLED */
case kFLASH_PropertyFlashCacheControllerIndex:
if ((value != (uint32_t)kFLASH_CacheControllerIndexForCore0) &&
(value != (uint32_t)kFLASH_CacheControllerIndexForCore1))
{
return kStatus_FLASH_InvalidPropertyValue;
}
config->FlashCacheControllerIndex = (uint8_t)value;
break;
case kFLASH_PropertyPflashSectorSize:
case kFLASH_PropertyPflashTotalSize:
case kFLASH_PropertyPflashBlockSize:
case kFLASH_PropertyPflashBlockCount:
case kFLASH_PropertyPflashBlockBaseAddr:
case kFLASH_PropertyPflashFacSupport:
case kFLASH_PropertyPflashAccessSegmentSize:
case kFLASH_PropertyPflashAccessSegmentCount:
case kFLASH_PropertyFlexRamBlockBaseAddr:
case kFLASH_PropertyFlexRamTotalSize:
#if FLASH_SSD_IS_FLEXNVM_ENABLED
case kFLASH_PropertyDflashSectorSize:
case kFLASH_PropertyDflashTotalSize:
case kFLASH_PropertyDflashBlockSize:
case kFLASH_PropertyDflashBlockCount:
case kFLASH_PropertyDflashBlockBaseAddr:
case kFLASH_PropertyEepromTotalSize:
#endif /* FLASH_SSD_IS_FLEXNVM_ENABLED */
status = kStatus_FLASH_ReadOnlyProperty;
break;
default: /* catch inputs that are not recognized */
status = kStatus_FLASH_UnknownProperty;
break;
}
return status;
}
#if defined(FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD) && FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD
status_t FLASH_SetFlexramFunction(flash_config_t *config, flash_flexram_function_option_t option)
{
status_t status;
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
status = flasn_check_flexram_function_option_range(option);
if (status != kStatus_FLASH_Success)
{
return status;
}
/* preparing passing parameter to verify all block command */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_1_2(FTFx_SET_FLEXRAM_FUNCTION, option, 0xFFFFU);
/* calling flash command sequence function to execute the command */
return flash_command_sequence(config);
}
#endif /* FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD */
#if defined(FSL_FEATURE_FLASH_HAS_SWAP_CONTROL_CMD) && FSL_FEATURE_FLASH_HAS_SWAP_CONTROL_CMD
status_t FLASH_SwapControl(flash_config_t *config,
uint32_t address,
flash_swap_control_option_t option,
flash_swap_state_config_t *returnInfo)
{
status_t returnCode;
if ((config == NULL) || (returnInfo == NULL))
{
return kStatus_FLASH_InvalidArgument;
}
if (address & (FSL_FEATURE_FLASH_PFLASH_SWAP_CONTROL_CMD_ADDRESS_ALIGMENT - 1))
{
return kStatus_FLASH_AlignmentError;
}
/* Make sure address provided is in the lower half of Program flash but not in the Flash Configuration Field */
if ((address >= (config->PFlashTotalSize / 2)) ||
((address >= kFLASH_ConfigAreaStart) && (address <= kFLASH_ConfigAreaEnd)))
{
return kStatus_FLASH_SwapIndicatorAddressError;
}
/* Check the option. */
returnCode = flash_check_swap_control_option(option);
if (returnCode)
{
return returnCode;
}
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_3(FTFx_SWAP_CONTROL, address);
kFCCOBx[1] = BYTES_JOIN_TO_WORD_1_3(option, 0xFFFFFFU);
returnCode = flash_command_sequence(config);
returnInfo->flashSwapState = (flash_swap_state_t)FTFx_FCCOB5_REG;
returnInfo->currentSwapBlockStatus = (flash_swap_block_status_t)FTFx_FCCOB6_REG;
returnInfo->nextSwapBlockStatus = (flash_swap_block_status_t)FTFx_FCCOB7_REG;
return returnCode;
}
#endif /* FSL_FEATURE_FLASH_HAS_SWAP_CONTROL_CMD */
#if defined(FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP) && FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP
status_t FLASH_Swap(flash_config_t *config, uint32_t address, flash_swap_function_option_t option)
{
flash_swap_state_config_t returnInfo;
status_t returnCode;
memset(&returnInfo, 0xFFU, sizeof(returnInfo));
do
{
returnCode = FLASH_SwapControl(config, address, kFLASH_SwapControlOptionReportStatus, &returnInfo);
if (returnCode != kStatus_FLASH_Success)
{
return returnCode;
}
if (kFLASH_SwapFunctionOptionDisable == option)
{
if (returnInfo.flashSwapState == kFLASH_SwapStateDisabled)
{
return kStatus_FLASH_Success;
}
else if (returnInfo.flashSwapState == kFLASH_SwapStateUninitialized)
{
/* The swap system changed to the DISABLED state with Program flash block 0
* located at relative flash address 0x0_0000 */
returnCode = FLASH_SwapControl(config, address, kFLASH_SwapControlOptionDisableSystem, &returnInfo);
}
else
{
/* Swap disable should be requested only when swap system is in the uninitialized state */
return kStatus_FLASH_SwapSystemNotInUninitialized;
}
}
else
{
/* When first swap: the initial swap state is Uninitialized, flash swap inidicator address is unset,
* the swap procedure should be Uninitialized -> Update-Erased -> Complete.
* After the first swap has been completed, the flash swap inidicator address cannot be modified
* unless EraseAllBlocks command is issued, the swap procedure is changed to Update -> Update-Erased ->
* Complete. */
switch (returnInfo.flashSwapState)
{
case kFLASH_SwapStateUninitialized:
/* If current swap mode is Uninitialized, Initialize Swap to Initialized/READY state. */
returnCode =
FLASH_SwapControl(config, address, kFLASH_SwapControlOptionIntializeSystem, &returnInfo);
break;
case kFLASH_SwapStateReady:
/* Validate whether the address provided to the swap system is matched to
* swap indicator address in the IFR */
returnCode = flash_validate_swap_indicator_address(config, address);
if (returnCode == kStatus_FLASH_Success)
{
/* If current swap mode is Initialized/Ready, Initialize Swap to UPDATE state. */
returnCode =
FLASH_SwapControl(config, address, kFLASH_SwapControlOptionSetInUpdateState, &returnInfo);
}
break;
case kFLASH_SwapStateUpdate:
/* If current swap mode is Update, Erase indicator sector in non active block
* to proceed swap system to update-erased state */
returnCode = FLASH_Erase(config, address + (config->PFlashTotalSize >> 1),
FSL_FEATURE_FLASH_PFLASH_SECTOR_CMD_ADDRESS_ALIGMENT, kFLASH_ApiEraseKey);
break;
case kFLASH_SwapStateUpdateErased:
/* If current swap mode is Update or Update-Erased, progress Swap to COMPLETE State */
returnCode =
FLASH_SwapControl(config, address, kFLASH_SwapControlOptionSetInCompleteState, &returnInfo);
break;
case kFLASH_SwapStateComplete:
break;
case kFLASH_SwapStateDisabled:
/* When swap system is in disabled state, We need to clear swap system back to uninitialized
* by issuing EraseAllBlocks command */
returnCode = kStatus_FLASH_SwapSystemNotInUninitialized;
break;
default:
returnCode = kStatus_FLASH_InvalidArgument;
break;
}
}
if (returnCode != kStatus_FLASH_Success)
{
break;
}
} while (!((kFLASH_SwapStateComplete == returnInfo.flashSwapState) && (kFLASH_SwapFunctionOptionEnable == option)));
return returnCode;
}
#endif /* FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP */
#if defined(FSL_FEATURE_FLASH_HAS_PROGRAM_PARTITION_CMD) && FSL_FEATURE_FLASH_HAS_PROGRAM_PARTITION_CMD
status_t FLASH_ProgramPartition(flash_config_t *config,
flash_partition_flexram_load_option_t option,
uint32_t eepromDataSizeCode,
uint32_t flexnvmPartitionCode)
{
status_t returnCode;
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
/* eepromDataSizeCode[7:6], flexnvmPartitionCode[7:4] should be all 1'b0
* or it will cause access error. */
/* eepromDataSizeCode &= 0x3FU; */
/* flexnvmPartitionCode &= 0x0FU; */
/* preparing passing parameter to program the flash block */
kFCCOBx[0] = BYTES_JOIN_TO_WORD_1_2_1(FTFx_PROGRAM_PARTITION, 0xFFFFU, option);
kFCCOBx[1] = BYTES_JOIN_TO_WORD_1_1_2(eepromDataSizeCode, flexnvmPartitionCode, 0xFFFFU);
flash_cache_clear_process(config, kFLASH_CacheClearProcessPre);
/* calling flash command sequence function to execute the command */
returnCode = flash_command_sequence(config);
flash_cache_clear(config);
#if FLASH_SSD_IS_FLEXNVM_ENABLED
/* Data flash IFR will be updated by program partition command during reset sequence,
* so we just set reserved values for partitioned FlexNVM size here */
config->EEpromTotalSize = FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_RESERVED;
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif
return (returnCode);
}
#endif /* FSL_FEATURE_FLASH_HAS_PROGRAM_PARTITION_CMD */
status_t FLASH_PflashSetProtection(flash_config_t *config, pflash_protection_status_t *protectStatus)
{
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
#if FLASH_SSD_IS_SECONDARY_FLASH_ENABLED && FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_PROTECTION_REGISTER
if (config->FlashMemoryIndex == (uint8_t)kFLASH_MemoryIndexSecondaryFlash)
{
*kFPROTSL = protectStatus->valueLow32b.prots16b.protsl;
if (protectStatus->valueLow32b.prots16b.protsl != *kFPROTSL)
{
return kStatus_FLASH_CommandFailure;
}
*kFPROTSH = protectStatus->valueLow32b.prots16b.protsh;
if (protectStatus->valueLow32b.prots16b.protsh != *kFPROTSH)
{
return kStatus_FLASH_CommandFailure;
}
}
else
#endif
{
*kFPROTL = protectStatus->valueLow32b.protl32b;
if (protectStatus->valueLow32b.protl32b != *kFPROTL)
{
return kStatus_FLASH_CommandFailure;
}
#if defined(FTFx_FPROT_HIGH_REG)
*kFPROTH = protectStatus->valueHigh32b.proth32b;
if (protectStatus->valueHigh32b.proth32b != *kFPROTH)
{
return kStatus_FLASH_CommandFailure;
}
#endif
}
return kStatus_FLASH_Success;
}
status_t FLASH_PflashGetProtection(flash_config_t *config, pflash_protection_status_t *protectStatus)
{
if ((config == NULL) || (protectStatus == NULL))
{
return kStatus_FLASH_InvalidArgument;
}
#if FLASH_SSD_IS_SECONDARY_FLASH_ENABLED && FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_PROTECTION_REGISTER
if (config->FlashMemoryIndex == (uint8_t)kFLASH_MemoryIndexSecondaryFlash)
{
protectStatus->valueLow32b.prots16b.protsl = *kFPROTSL;
protectStatus->valueLow32b.prots16b.protsh = *kFPROTSH;
}
else
#endif
{
protectStatus->valueLow32b.protl32b = *kFPROTL;
#if defined(FTFx_FPROT_HIGH_REG)
protectStatus->valueHigh32b.proth32b = *kFPROTH;
#endif
}
return kStatus_FLASH_Success;
}
#if FLASH_SSD_IS_FLEXNVM_ENABLED
status_t FLASH_DflashSetProtection(flash_config_t *config, uint8_t protectStatus)
{
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
if ((config->DFlashTotalSize == 0) || (config->DFlashTotalSize == FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED))
{
return kStatus_FLASH_CommandNotSupported;
}
FTFx->FDPROT = protectStatus;
if (FTFx->FDPROT != protectStatus)
{
return kStatus_FLASH_CommandFailure;
}
return kStatus_FLASH_Success;
}
#endif /* FLASH_SSD_IS_FLEXNVM_ENABLED */
#if FLASH_SSD_IS_FLEXNVM_ENABLED
status_t FLASH_DflashGetProtection(flash_config_t *config, uint8_t *protectStatus)
{
if ((config == NULL) || (protectStatus == NULL))
{
return kStatus_FLASH_InvalidArgument;
}
if ((config->DFlashTotalSize == 0) || (config->DFlashTotalSize == FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED))
{
return kStatus_FLASH_CommandNotSupported;
}
*protectStatus = FTFx->FDPROT;
return kStatus_FLASH_Success;
}
#endif /* FLASH_SSD_IS_FLEXNVM_ENABLED */
#if FLASH_SSD_IS_FLEXNVM_ENABLED
status_t FLASH_EepromSetProtection(flash_config_t *config, uint8_t protectStatus)
{
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
if ((config->EEpromTotalSize == 0) || (config->EEpromTotalSize == FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_RESERVED))
{
return kStatus_FLASH_CommandNotSupported;
}
FTFx->FEPROT = protectStatus;
if (FTFx->FEPROT != protectStatus)
{
return kStatus_FLASH_CommandFailure;
}
return kStatus_FLASH_Success;
}
#endif /* FLASH_SSD_IS_FLEXNVM_ENABLED */
#if FLASH_SSD_IS_FLEXNVM_ENABLED
status_t FLASH_EepromGetProtection(flash_config_t *config, uint8_t *protectStatus)
{
if ((config == NULL) || (protectStatus == NULL))
{
return kStatus_FLASH_InvalidArgument;
}
if ((config->EEpromTotalSize == 0) || (config->EEpromTotalSize == FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_RESERVED))
{
return kStatus_FLASH_CommandNotSupported;
}
*protectStatus = FTFx->FEPROT;
return kStatus_FLASH_Success;
}
#endif /* FLASH_SSD_IS_FLEXNVM_ENABLED */
status_t FLASH_PflashSetPrefetchSpeculation(flash_prefetch_speculation_status_t *speculationStatus)
{
#if FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_MCM
{
FTFx_REG32_ACCESS_TYPE regBase;
#if defined(MCM)
regBase = (FTFx_REG32_ACCESS_TYPE)&MCM->PLACR;
#elif defined(MCM0)
regBase = (FTFx_REG32_ACCESS_TYPE)&MCM0->PLACR;
#endif
if (speculationStatus->instructionOption == kFLASH_prefetchSpeculationOptionDisable)
{
if (speculationStatus->dataOption == kFLASH_prefetchSpeculationOptionEnable)
{
return kStatus_FLASH_InvalidSpeculationOption;
}
else
{
*regBase |= MCM_PLACR_DFCS_MASK;
}
}
else
{
*regBase &= ~MCM_PLACR_DFCS_MASK;
if (speculationStatus->dataOption == kFLASH_prefetchSpeculationOptionEnable)
{
*regBase |= MCM_PLACR_EFDS_MASK;
}
else
{
*regBase &= ~MCM_PLACR_EFDS_MASK;
}
}
}
#elif FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_FMC
{
FTFx_REG32_ACCESS_TYPE regBase;
uint32_t b0dpeMask, b0ipeMask;
#if defined(FMC_PFB01CR_B0DPE_MASK)
regBase = (FTFx_REG32_ACCESS_TYPE)&FMC->PFB01CR;
b0dpeMask = FMC_PFB01CR_B0DPE_MASK;
b0ipeMask = FMC_PFB01CR_B0IPE_MASK;
#elif defined(FMC_PFB0CR_B0DPE_MASK)
regBase = (FTFx_REG32_ACCESS_TYPE)&FMC->PFB0CR;
b0dpeMask = FMC_PFB0CR_B0DPE_MASK;
b0ipeMask = FMC_PFB0CR_B0IPE_MASK;
#endif
if (speculationStatus->instructionOption == kFLASH_prefetchSpeculationOptionEnable)
{
*regBase |= b0ipeMask;
}
else
{
*regBase &= ~b0ipeMask;
}
if (speculationStatus->dataOption == kFLASH_prefetchSpeculationOptionEnable)
{
*regBase |= b0dpeMask;
}
else
{
*regBase &= ~b0dpeMask;
}
/* Invalidate Prefetch Speculation Buffer */
#if defined(FMC_PFB01CR_S_INV_MASK)
FMC->PFB01CR |= FMC_PFB01CR_S_INV_MASK;
#elif defined(FMC_PFB01CR_S_B_INV_MASK)
FMC->PFB01CR |= FMC_PFB01CR_S_B_INV_MASK;
#elif defined(FMC_PFB0CR_S_INV_MASK)
FMC->PFB0CR |= FMC_PFB0CR_S_INV_MASK;
#elif defined(FMC_PFB0CR_S_B_INV_MASK)
FMC->PFB0CR |= FMC_PFB0CR_S_B_INV_MASK;
#endif
}
#elif FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_MSCM
{
FTFx_REG32_ACCESS_TYPE regBase;
uint32_t flashSpeculationMask, dataPrefetchMask;
regBase = (FTFx_REG32_ACCESS_TYPE)&MSCM->OCMDR[0];
flashSpeculationMask = MSCM_OCMDR_OCMC1_DFCS_MASK;
dataPrefetchMask = MSCM_OCMDR_OCMC1_DFDS_MASK;
if (speculationStatus->instructionOption == kFLASH_prefetchSpeculationOptionDisable)
{
if (speculationStatus->dataOption == kFLASH_prefetchSpeculationOptionEnable)
{
return kStatus_FLASH_InvalidSpeculationOption;
}
else
{
*regBase |= flashSpeculationMask;
}
}
else
{
*regBase &= ~flashSpeculationMask;
if (speculationStatus->dataOption == kFLASH_prefetchSpeculationOptionEnable)
{
*regBase &= ~dataPrefetchMask;
}
else
{
*regBase |= dataPrefetchMask;
}
}
}
#endif /* FSL_FEATURE_FTFx_MCM_FLASH_CACHE_CONTROLS */
return kStatus_FLASH_Success;
}
status_t FLASH_PflashGetPrefetchSpeculation(flash_prefetch_speculation_status_t *speculationStatus)
{
memset(speculationStatus, 0, sizeof(flash_prefetch_speculation_status_t));
/* Assuming that all speculation options are enabled. */
speculationStatus->instructionOption = kFLASH_prefetchSpeculationOptionEnable;
speculationStatus->dataOption = kFLASH_prefetchSpeculationOptionEnable;
#if FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_MCM
{
uint32_t value;
#if defined(MCM)
value = MCM->PLACR;
#elif defined(MCM0)
value = MCM0->PLACR;
#endif
if (value & MCM_PLACR_DFCS_MASK)
{
/* Speculation buffer is off. */
speculationStatus->instructionOption = kFLASH_prefetchSpeculationOptionDisable;
speculationStatus->dataOption = kFLASH_prefetchSpeculationOptionDisable;
}
else
{
/* Speculation buffer is on for instruction. */
if (!(value & MCM_PLACR_EFDS_MASK))
{
/* Speculation buffer is off for data. */
speculationStatus->dataOption = kFLASH_prefetchSpeculationOptionDisable;
}
}
}
#elif FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_FMC
{
uint32_t value;
uint32_t b0dpeMask, b0ipeMask;
#if defined(FMC_PFB01CR_B0DPE_MASK)
value = FMC->PFB01CR;
b0dpeMask = FMC_PFB01CR_B0DPE_MASK;
b0ipeMask = FMC_PFB01CR_B0IPE_MASK;
#elif defined(FMC_PFB0CR_B0DPE_MASK)
value = FMC->PFB0CR;
b0dpeMask = FMC_PFB0CR_B0DPE_MASK;
b0ipeMask = FMC_PFB0CR_B0IPE_MASK;
#endif
if (!(value & b0dpeMask))
{
/* Do not prefetch in response to data references. */
speculationStatus->dataOption = kFLASH_prefetchSpeculationOptionDisable;
}
if (!(value & b0ipeMask))
{
/* Do not prefetch in response to instruction fetches. */
speculationStatus->instructionOption = kFLASH_prefetchSpeculationOptionDisable;
}
}
#elif FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_MSCM
{
uint32_t value;
uint32_t flashSpeculationMask, dataPrefetchMask;
value = MSCM->OCMDR[0];
flashSpeculationMask = MSCM_OCMDR_OCMC1_DFCS_MASK;
dataPrefetchMask = MSCM_OCMDR_OCMC1_DFDS_MASK;
if (value & flashSpeculationMask)
{
/* Speculation buffer is off. */
speculationStatus->instructionOption = kFLASH_prefetchSpeculationOptionDisable;
speculationStatus->dataOption = kFLASH_prefetchSpeculationOptionDisable;
}
else
{
/* Speculation buffer is on for instruction. */
if (value & dataPrefetchMask)
{
/* Speculation buffer is off for data. */
speculationStatus->dataOption = kFLASH_prefetchSpeculationOptionDisable;
}
}
}
#endif
return kStatus_FLASH_Success;
}
#if FLASH_DRIVER_IS_FLASH_RESIDENT
/*!
* @brief Copy PIC of flash_run_command() to RAM
*/
static void copy_flash_run_command(uint32_t *flashRunCommand)
{
assert(sizeof(s_flashRunCommandFunctionCode) <= (kFLASH_ExecuteInRamFunctionMaxSizeInWords * 4));
/* Since the value of ARM function pointer is always odd, but the real start address
* of function memory should be even, that's why +1 operation exist. */
memcpy((void *)flashRunCommand, (void *)s_flashRunCommandFunctionCode, sizeof(s_flashRunCommandFunctionCode));
callFlashRunCommand = (void (*)(FTFx_REG8_ACCESS_TYPE ftfx_fstat))((uint32_t)flashRunCommand + 1);
}
#endif /* FLASH_DRIVER_IS_FLASH_RESIDENT */
/*!
* @brief Flash Command Sequence
*
* This function is used to perform the command write sequence to the flash.
*
* @param driver Pointer to storage for the driver runtime state.
* @return An error code or kStatus_FLASH_Success
*/
static status_t flash_command_sequence(flash_config_t *config)
{
uint8_t registerValue;
#if FLASH_DRIVER_IS_FLASH_RESIDENT
/* clear RDCOLERR & ACCERR & FPVIOL flag in flash status register */
FTFx->FSTAT = FTFx_FSTAT_RDCOLERR_MASK | FTFx_FSTAT_ACCERR_MASK | FTFx_FSTAT_FPVIOL_MASK;
status_t returnCode = flash_check_execute_in_ram_function_info(config);
if (kStatus_FLASH_Success != returnCode)
{
return returnCode;
}
/* We pass the ftfx_fstat address as a parameter to flash_run_comamnd() instead of using
* pre-processed MICRO sentences or operating global variable in flash_run_comamnd()
* to make sure that flash_run_command() will be compiled into position-independent code (PIC). */
callFlashRunCommand((FTFx_REG8_ACCESS_TYPE)(&FTFx->FSTAT));
#else
/* clear RDCOLERR & ACCERR & FPVIOL flag in flash status register */
FTFx->FSTAT = FTFx_FSTAT_RDCOLERR_MASK | FTFx_FSTAT_ACCERR_MASK | FTFx_FSTAT_FPVIOL_MASK;
/* clear CCIF bit */
FTFx->FSTAT = FTFx_FSTAT_CCIF_MASK;
/* Check CCIF bit of the flash status register, wait till it is set.
* IP team indicates that this loop will always complete. */
while (!(FTFx->FSTAT & FTFx_FSTAT_CCIF_MASK))
{
}
#endif /* FLASH_DRIVER_IS_FLASH_RESIDENT */
/* Check error bits */
/* Get flash status register value */
registerValue = FTFx->FSTAT;
/* checking access error */
if (registerValue & FTFx_FSTAT_ACCERR_MASK)
{
return kStatus_FLASH_AccessError;
}
/* checking protection error */
else if (registerValue & FTFx_FSTAT_FPVIOL_MASK)
{
return kStatus_FLASH_ProtectionViolation;
}
/* checking MGSTAT0 non-correctable error */
else if (registerValue & FTFx_FSTAT_MGSTAT0_MASK)
{
return kStatus_FLASH_CommandFailure;
}
else
{
return kStatus_FLASH_Success;
}
}
#if FLASH_DRIVER_IS_FLASH_RESIDENT
/*!
* @brief Copy PIC of flash_common_bit_operation() to RAM
*
*/
static void copy_flash_common_bit_operation(uint32_t *flashCommonBitOperation)
{
assert(sizeof(s_flashCommonBitOperationFunctionCode) <= (kFLASH_ExecuteInRamFunctionMaxSizeInWords * 4));
/* Since the value of ARM function pointer is always odd, but the real start address
* of function memory should be even, that's why +1 operation exist. */
memcpy((void *)flashCommonBitOperation, (void *)s_flashCommonBitOperationFunctionCode,
sizeof(s_flashCommonBitOperationFunctionCode));
callFlashCommonBitOperation = (void (*)(FTFx_REG32_ACCESS_TYPE base, uint32_t bitMask, uint32_t bitShift,
uint32_t bitValue))((uint32_t)flashCommonBitOperation + 1);
/* Workround for some devices which doesn't need this function */
callFlashCommonBitOperation((FTFx_REG32_ACCESS_TYPE)0, 0, 0, 0);
}
#endif /* FLASH_DRIVER_IS_FLASH_RESIDENT */
#if FLASH_CACHE_IS_CONTROLLED_BY_MCM
/*! @brief Performs the cache clear to the flash by MCM.*/
void mcm_flash_cache_clear(flash_config_t *config)
{
FTFx_REG32_ACCESS_TYPE regBase = (FTFx_REG32_ACCESS_TYPE)&MCM0_CACHE_REG;
#if defined(MCM0) && defined(MCM1)
if (config->FlashCacheControllerIndex == (uint8_t)kFLASH_CacheControllerIndexForCore1)
{
regBase = (FTFx_REG32_ACCESS_TYPE)&MCM1_CACHE_REG;
}
#endif
#if FLASH_DRIVER_IS_FLASH_RESIDENT
callFlashCommonBitOperation(regBase, MCM_CACHE_CLEAR_MASK, MCM_CACHE_CLEAR_SHIFT, 1U);
#else /* !FLASH_DRIVER_IS_FLASH_RESIDENT */
*regBase |= MCM_CACHE_CLEAR_MASK;
/* Memory barriers for good measure.
* All Cache, Branch predictor and TLB maintenance operations before this instruction complete */
__ISB();
__DSB();
#endif /* FLASH_DRIVER_IS_FLASH_RESIDENT */
}
#endif /* FLASH_CACHE_IS_CONTROLLED_BY_MCM */
#if FLASH_CACHE_IS_CONTROLLED_BY_FMC
/*! @brief Performs the cache clear to the flash by FMC.*/
void fmc_flash_cache_clear(void)
{
#if FLASH_DRIVER_IS_FLASH_RESIDENT
FTFx_REG32_ACCESS_TYPE regBase = (FTFx_REG32_ACCESS_TYPE)0;
#if defined(FMC_PFB01CR_CINV_WAY_MASK)
regBase = (FTFx_REG32_ACCESS_TYPE)&FMC->PFB01CR;
callFlashCommonBitOperation(regBase, FMC_PFB01CR_CINV_WAY_MASK, FMC_PFB01CR_CINV_WAY_SHIFT, 0xFU);
#else
regBase = (FTFx_REG32_ACCESS_TYPE)&FMC->PFB0CR;
callFlashCommonBitOperation(regBase, FMC_PFB0CR_CINV_WAY_MASK, FMC_PFB0CR_CINV_WAY_SHIFT, 0xFU);
#endif
#else /* !FLASH_DRIVER_IS_FLASH_RESIDENT */
#if defined(FMC_PFB01CR_CINV_WAY_MASK)
FMC->PFB01CR = (FMC->PFB01CR & ~FMC_PFB01CR_CINV_WAY_MASK) | FMC_PFB01CR_CINV_WAY(~0);
#else
FMC->PFB0CR = (FMC->PFB0CR & ~FMC_PFB0CR_CINV_WAY_MASK) | FMC_PFB0CR_CINV_WAY(~0);
#endif
/* Memory barriers for good measure.
* All Cache, Branch predictor and TLB maintenance operations before this instruction complete */
__ISB();
__DSB();
#endif /* FLASH_DRIVER_IS_FLASH_RESIDENT */
}
#endif /* FLASH_CACHE_IS_CONTROLLED_BY_FMC */
#if FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_MSCM
/*! @brief Performs the prefetch speculation buffer clear to the flash by MSCM.*/
void mscm_flash_prefetch_speculation_enable(bool enable)
{
uint8_t setValue;
if (enable)
{
setValue = 0x0U;
}
else
{
setValue = 0x3U;
}
/* The OCMDR[0] is always used to prefetch main Pflash*/
/* For device with FlexNVM support, the OCMDR[1] is used to prefetch Dflash.
* For device with secondary flash support, the OCMDR[1] is used to prefetch secondary Pflash. */
#if FLASH_DRIVER_IS_FLASH_RESIDENT
callFlashCommonBitOperation((FTFx_REG32_ACCESS_TYPE)&MSCM->OCMDR[0], MSCM_SPECULATION_DISABLE_MASK,
MSCM_SPECULATION_DISABLE_SHIFT, setValue);
#if FLASH_SSD_IS_FLEXNVM_ENABLED || BL_HAS_SECONDARY_INTERNAL_FLASH
callFlashCommonBitOperation((FTFx_REG32_ACCESS_TYPE)&MSCM->OCMDR[1], MSCM_SPECULATION_DISABLE_MASK,
MSCM_SPECULATION_DISABLE_SHIFT, setValue);
#endif
#else /* !FLASH_DRIVER_IS_FLASH_RESIDENT */
MSCM->OCMDR[0] |= MSCM_SPECULATION_DISABLE(setValue);
/* Memory barriers for good measure.
* All Cache, Branch predictor and TLB maintenance operations before this instruction complete */
__ISB();
__DSB();
#if FLASH_SSD_IS_FLEXNVM_ENABLED || BL_HAS_SECONDARY_INTERNAL_FLASH
MSCM->OCMDR[1] |= MSCM_SPECULATION_DISABLE(setValue);
/* Each cahce clear instaruction should be followed by below code*/
__ISB();
__DSB();
#endif
#endif /* FLASH_DRIVER_IS_FLASH_RESIDENT */
}
#endif /* FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_MSCM */
#if FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_FMC
/*! @brief Performs the prefetch speculation buffer clear to the flash by FMC.*/
void fmc_flash_prefetch_speculation_clear(void)
{
#if FLASH_DRIVER_IS_FLASH_RESIDENT
FTFx_REG32_ACCESS_TYPE regBase = (FTFx_REG32_ACCESS_TYPE)0;
#if defined(FMC_PFB01CR_S_INV_MASK)
regBase = (FTFx_REG32_ACCESS_TYPE)&FMC->PFB01CR;
callFlashCommonBitOperation(regBase, FMC_PFB01CR_S_INV_MASK, FMC_PFB01CR_S_INV_SHIFT, 1U);
#elif defined(FMC_PFB01CR_S_B_INV_MASK)
regBase = (FTFx_REG32_ACCESS_TYPE)&FMC->PFB01CR;
callFlashCommonBitOperation(regBase, FMC_PFB01CR_S_B_INV_MASK, FMC_PFB01CR_S_B_INV_SHIFT, 1U);
#elif defined(FMC_PFB0CR_S_INV_MASK)
regBase = (FTFx_REG32_ACCESS_TYPE)&FMC->PFB0CR;
callFlashCommonBitOperation(regBase, FMC_PFB0CR_S_INV_MASK, FMC_PFB0CR_S_INV_SHIFT, 1U);
#elif defined(FMC_PFB0CR_S_B_INV_MASK)
regBase = (FTFx_REG32_ACCESS_TYPE)&FMC->PFB0CR;
callFlashCommonBitOperation(regBase, FMC_PFB0CR_S_B_INV_MASK, FMC_PFB0CR_S_B_INV_SHIFT, 1U);
#endif
#else /* !FLASH_DRIVER_IS_FLASH_RESIDENT */
#if defined(FMC_PFB01CR_S_INV_MASK)
FMC->PFB01CR |= FMC_PFB01CR_S_INV_MASK;
#elif defined(FMC_PFB01CR_S_B_INV_MASK)
FMC->PFB01CR |= FMC_PFB01CR_S_B_INV_MASK;
#elif defined(FMC_PFB0CR_S_INV_MASK)
FMC->PFB0CR |= FMC_PFB0CR_S_INV_MASK;
#elif defined(FMC_PFB0CR_S_B_INV_MASK)
FMC->PFB0CR |= FMC_PFB0CR_S_B_INV_MASK;
#endif
/* Memory barriers for good measure.
* All Cache, Branch predictor and TLB maintenance operations before this instruction complete */
__ISB();
__DSB();
#endif /* FLASH_DRIVER_IS_FLASH_RESIDENT */
}
#endif /* FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_FMC */
/*!
* @brief Flash Cache Clear
*
* This function is used to perform the cache and prefetch speculation clear to the flash.
*/
void flash_cache_clear(flash_config_t *config)
{
flash_cache_clear_process(config, kFLASH_CacheClearProcessPost);
}
/*!
* @brief Flash Cache Clear Process
*
* This function is used to perform the cache and prefetch speculation clear process to the flash.
*/
static void flash_cache_clear_process(flash_config_t *config, flash_cache_clear_process_t process)
{
#if FLASH_DRIVER_IS_FLASH_RESIDENT
status_t returnCode = flash_check_execute_in_ram_function_info(config);
if (kStatus_FLASH_Success != returnCode)
{
return;
}
#endif /* FLASH_DRIVER_IS_FLASH_RESIDENT */
/* We pass the ftfx register address as a parameter to flash_common_bit_operation() instead of using
* pre-processed MACROs or a global variable in flash_common_bit_operation()
* to make sure that flash_common_bit_operation() will be compiled into position-independent code (PIC). */
if (process == kFLASH_CacheClearProcessPost)
{
#if FLASH_CACHE_IS_CONTROLLED_BY_MCM
mcm_flash_cache_clear(config);
#endif
#if FLASH_CACHE_IS_CONTROLLED_BY_FMC
fmc_flash_cache_clear();
#endif
#if FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_MSCM
mscm_flash_prefetch_speculation_enable(true);
#endif
#if FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_FMC
fmc_flash_prefetch_speculation_clear();
#endif
}
if (process == kFLASH_CacheClearProcessPre)
{
#if FLASH_PREFETCH_SPECULATION_IS_CONTROLLED_BY_MSCM
mscm_flash_prefetch_speculation_enable(false);
#endif
}
}
#if FLASH_DRIVER_IS_FLASH_RESIDENT
/*! @brief Check whether flash execute-in-ram functions are ready */
static status_t flash_check_execute_in_ram_function_info(flash_config_t *config)
{
flash_execute_in_ram_function_config_t *flashExecuteInRamFunctionInfo;
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
flashExecuteInRamFunctionInfo = (flash_execute_in_ram_function_config_t *)config->flashExecuteInRamFunctionInfo;
if ((config->flashExecuteInRamFunctionInfo) &&
(kFLASH_ExecuteInRamFunctionTotalNum == flashExecuteInRamFunctionInfo->activeFunctionCount))
{
return kStatus_FLASH_Success;
}
return kStatus_FLASH_ExecuteInRamFunctionNotReady;
}
#endif /* FLASH_DRIVER_IS_FLASH_RESIDENT */
/*! @brief Validates the range and alignment of the given address range.*/
static status_t flash_check_range(flash_config_t *config,
uint32_t startAddress,
uint32_t lengthInBytes,
uint32_t alignmentBaseline)
{
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
/* Verify the start and length are alignmentBaseline aligned. */
if ((startAddress & (alignmentBaseline - 1)) || (lengthInBytes & (alignmentBaseline - 1)))
{
return kStatus_FLASH_AlignmentError;
}
/* check for valid range of the target addresses */
if (
#if FLASH_SSD_IS_FLEXNVM_ENABLED
((startAddress >= config->DFlashBlockBase) &&
((startAddress + lengthInBytes) <= (config->DFlashBlockBase + config->DFlashTotalSize))) ||
#endif
((startAddress >= config->PFlashBlockBase) &&
((startAddress + lengthInBytes) <= (config->PFlashBlockBase + config->PFlashTotalSize))))
{
return kStatus_FLASH_Success;
}
return kStatus_FLASH_AddressError;
}
/*! @brief Gets the right address, sector and block size of current flash type which is indicated by address.*/
static status_t flash_get_matched_operation_info(flash_config_t *config,
uint32_t address,
flash_operation_config_t *info)
{
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
/* Clean up info Structure*/
memset(info, 0, sizeof(flash_operation_config_t));
#if FLASH_SSD_IS_FLEXNVM_ENABLED
if ((address >= config->DFlashBlockBase) && (address <= (config->DFlashBlockBase + config->DFlashTotalSize)))
{
/* When required by the command, address bit 23 selects between program flash memory
* (=0) and data flash memory (=1).*/
info->convertedAddress = address - config->DFlashBlockBase + 0x800000U;
info->activeSectorSize = FSL_FEATURE_FLASH_FLEX_NVM_BLOCK_SECTOR_SIZE;
info->activeBlockSize = config->DFlashTotalSize / FSL_FEATURE_FLASH_FLEX_NVM_BLOCK_COUNT;
info->blockWriteUnitSize = FSL_FEATURE_FLASH_FLEX_NVM_BLOCK_WRITE_UNIT_SIZE;
info->sectorCmdAddressAligment = FSL_FEATURE_FLASH_FLEX_NVM_SECTOR_CMD_ADDRESS_ALIGMENT;
info->sectionCmdAddressAligment = FSL_FEATURE_FLASH_FLEX_NVM_SECTION_CMD_ADDRESS_ALIGMENT;
info->resourceCmdAddressAligment = FSL_FEATURE_FLASH_FLEX_NVM_RESOURCE_CMD_ADDRESS_ALIGMENT;
info->checkCmdAddressAligment = FSL_FEATURE_FLASH_FLEX_NVM_CHECK_CMD_ADDRESS_ALIGMENT;
}
else
#endif /* FLASH_SSD_IS_FLEXNVM_ENABLED */
{
info->convertedAddress = address - config->PFlashBlockBase;
info->activeSectorSize = config->PFlashSectorSize;
info->activeBlockSize = config->PFlashTotalSize / config->PFlashBlockCount;
#if FLASH_SSD_IS_SECONDARY_FLASH_ENABLED
if (config->FlashMemoryIndex == (uint8_t)kFLASH_MemoryIndexSecondaryFlash)
{
#if FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_PROTECTION_REGISTER || FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_ACCESS_REGISTER
/* When required by the command, address bit 23 selects between main flash memory
* (=0) and secondary flash memory (=1).*/
info->convertedAddress += 0x800000U;
#endif
info->blockWriteUnitSize = FSL_FEATURE_FLASH_PFLASH_1_BLOCK_WRITE_UNIT_SIZE;
}
else
#endif /* FLASH_SSD_IS_SECONDARY_FLASH_ENABLED */
{
info->blockWriteUnitSize = FSL_FEATURE_FLASH_PFLASH_BLOCK_WRITE_UNIT_SIZE;
}
info->sectorCmdAddressAligment = FSL_FEATURE_FLASH_PFLASH_SECTOR_CMD_ADDRESS_ALIGMENT;
info->sectionCmdAddressAligment = FSL_FEATURE_FLASH_PFLASH_SECTION_CMD_ADDRESS_ALIGMENT;
info->resourceCmdAddressAligment = FSL_FEATURE_FLASH_PFLASH_RESOURCE_CMD_ADDRESS_ALIGMENT;
info->checkCmdAddressAligment = FSL_FEATURE_FLASH_PFLASH_CHECK_CMD_ADDRESS_ALIGMENT;
}
return kStatus_FLASH_Success;
}
/*! @brief Validates the given user key for flash erase APIs.*/
static status_t flash_check_user_key(uint32_t key)
{
/* Validate the user key */
if (key != kFLASH_ApiEraseKey)
{
return kStatus_FLASH_EraseKeyError;
}
return kStatus_FLASH_Success;
}
#if FLASH_SSD_IS_FLEXNVM_ENABLED
/*! @brief Updates FlexNVM memory partition status according to data flash 0 IFR.*/
static status_t flash_update_flexnvm_memory_partition_status(flash_config_t *config)
{
struct
{
uint32_t reserved0;
uint8_t FlexNVMPartitionCode;
uint8_t EEPROMDataSetSize;
uint16_t reserved1;
} dataIFRReadOut;
status_t returnCode;
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
#if defined(FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD) && FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD
/* Get FlexNVM memory partition info from data flash IFR */
returnCode = FLASH_ReadResource(config, DFLASH_IFR_READRESOURCE_START_ADDRESS, (uint32_t *)&dataIFRReadOut,
sizeof(dataIFRReadOut), kFLASH_ResourceOptionFlashIfr);
if (returnCode != kStatus_FLASH_Success)
{
return kStatus_FLASH_PartitionStatusUpdateFailure;
}
#else
#error "Cannot get FlexNVM memory partition info"
#endif
/* Fill out partitioned EEPROM size */
dataIFRReadOut.EEPROMDataSetSize &= 0x0FU;
switch (dataIFRReadOut.EEPROMDataSetSize)
{
case 0x00U:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_0000;
break;
case 0x01U:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_0001;
break;
case 0x02U:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_0010;
break;
case 0x03U:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_0011;
break;
case 0x04U:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_0100;
break;
case 0x05U:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_0101;
break;
case 0x06U:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_0110;
break;
case 0x07U:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_0111;
break;
case 0x08U:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_1000;
break;
case 0x09U:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_1001;
break;
case 0x0AU:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_1010;
break;
case 0x0BU:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_1011;
break;
case 0x0CU:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_1100;
break;
case 0x0DU:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_1101;
break;
case 0x0EU:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_1110;
break;
case 0x0FU:
config->EEpromTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_1111;
break;
default:
config->EEpromTotalSize = FLEX_NVM_EEPROM_SIZE_FOR_EEESIZE_RESERVED;
break;
}
/* Fill out partitioned DFlash size */
dataIFRReadOut.FlexNVMPartitionCode &= 0x0FU;
switch (dataIFRReadOut.FlexNVMPartitionCode)
{
case 0x00U:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0000 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0000;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0000 */
break;
case 0x01U:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0001 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0001;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0001 */
break;
case 0x02U:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0010 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0010;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0010 */
break;
case 0x03U:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0011 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0011;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0011 */
break;
case 0x04U:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0100 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0100;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0100 */
break;
case 0x05U:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0101 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0101;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0101 */
break;
case 0x06U:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0110 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0110;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0110 */
break;
case 0x07U:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0111 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0111;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_0111 */
break;
case 0x08U:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1000 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1000;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1000 */
break;
case 0x09U:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1001 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1001;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1001 */
break;
case 0x0AU:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1010 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1010;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1010 */
break;
case 0x0BU:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1011 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1011;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1011 */
break;
case 0x0CU:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1100 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1100;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1100 */
break;
case 0x0DU:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1101 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1101;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1101 */
break;
case 0x0EU:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1110 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1110;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1110 */
break;
case 0x0FU:
#if (FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1111 != 0xFFFFFFFF)
config->DFlashTotalSize = FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1111;
#else
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
#endif /* FSL_FEATURE_FLASH_FLEX_NVM_DFLASH_SIZE_FOR_DEPART_1111 */
break;
default:
config->DFlashTotalSize = FLEX_NVM_DFLASH_SIZE_FOR_DEPART_RESERVED;
break;
}
return kStatus_FLASH_Success;
}
#endif /* FLASH_SSD_IS_FLEXNVM_ENABLED */
#if defined(FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD) && FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD
/*! @brief Validates the range of the given resource address.*/
static status_t flash_check_resource_range(uint32_t start,
uint32_t lengthInBytes,
uint32_t alignmentBaseline,
flash_read_resource_option_t option)
{
status_t status;
uint32_t maxReadbleAddress;
if ((start & (alignmentBaseline - 1)) || (lengthInBytes & (alignmentBaseline - 1)))
{
return kStatus_FLASH_AlignmentError;
}
status = kStatus_FLASH_Success;
maxReadbleAddress = start + lengthInBytes - 1;
if (option == kFLASH_ResourceOptionVersionId)
{
if ((start != kFLASH_ResourceRangeVersionIdStart) ||
((start + lengthInBytes - 1) != kFLASH_ResourceRangeVersionIdEnd))
{
status = kStatus_FLASH_InvalidArgument;
}
}
else if (option == kFLASH_ResourceOptionFlashIfr)
{
if (maxReadbleAddress < kFLASH_ResourceRangePflashIfrSizeInBytes)
{
}
#if defined(FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP) && FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP
else if ((start >= kFLASH_ResourceRangePflashSwapIfrStart) &&
(maxReadbleAddress <= kFLASH_ResourceRangePflashSwapIfrEnd))
{
}
#endif /* FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP */
else if ((start >= kFLASH_ResourceRangeDflashIfrStart) &&
(maxReadbleAddress <= kFLASH_ResourceRangeDflashIfrEnd))
{
}
else
{
status = kStatus_FLASH_InvalidArgument;
}
}
else
{
status = kStatus_FLASH_InvalidArgument;
}
return status;
}
#endif /* FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD */
#if defined(FSL_FEATURE_FLASH_HAS_SWAP_CONTROL_CMD) && FSL_FEATURE_FLASH_HAS_SWAP_CONTROL_CMD
/*! @brief Validates the gived swap control option.*/
static status_t flash_check_swap_control_option(flash_swap_control_option_t option)
{
if ((option == kFLASH_SwapControlOptionIntializeSystem) || (option == kFLASH_SwapControlOptionSetInUpdateState) ||
(option == kFLASH_SwapControlOptionSetInCompleteState) || (option == kFLASH_SwapControlOptionReportStatus) ||
(option == kFLASH_SwapControlOptionDisableSystem))
{
return kStatus_FLASH_Success;
}
return kStatus_FLASH_InvalidArgument;
}
#endif /* FSL_FEATURE_FLASH_HAS_SWAP_CONTROL_CMD */
#if defined(FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP) && FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP
/*! @brief Validates the gived address to see if it is equal to swap indicator address in pflash swap IFR.*/
static status_t flash_validate_swap_indicator_address(flash_config_t *config, uint32_t address)
{
flash_swap_ifr_field_data_t flashSwapIfrFieldData;
uint32_t swapIndicatorAddress;
status_t returnCode;
#if defined(FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD) && FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD
returnCode =
FLASH_ReadResource(config, kFLASH_ResourceRangePflashSwapIfrStart, flashSwapIfrFieldData.flashSwapIfrData,
sizeof(flashSwapIfrFieldData.flashSwapIfrData), kFLASH_ResourceOptionFlashIfr);
if (returnCode != kStatus_FLASH_Success)
{
return returnCode;
}
#else
{
/* From RM, the actual info are stored in FCCOB6,7 */
uint32_t returnValue[2];
returnCode = FLASH_ReadOnce(config, kFLASH_RecordIndexSwapAddr, returnValue, 4);
if (returnCode != kStatus_FLASH_Success)
{
return returnCode;
}
flashSwapIfrFieldData.flashSwapIfrField.swapIndicatorAddress = (uint16_t)returnValue[0];
returnCode = FLASH_ReadOnce(config, kFLASH_RecordIndexSwapEnable, returnValue, 4);
if (returnCode != kStatus_FLASH_Success)
{
return returnCode;
}
flashSwapIfrFieldData.flashSwapIfrField.swapEnableWord = (uint16_t)returnValue[0];
returnCode = FLASH_ReadOnce(config, kFLASH_RecordIndexSwapDisable, returnValue, 4);
if (returnCode != kStatus_FLASH_Success)
{
return returnCode;
}
flashSwapIfrFieldData.flashSwapIfrField.swapDisableWord = (uint16_t)returnValue[0];
}
#endif
/* The high bits value of Swap Indicator Address is stored in Program Flash Swap IFR Field,
* the low severval bit value of Swap Indicator Address is always 1'b0 */
swapIndicatorAddress = (uint32_t)flashSwapIfrFieldData.flashSwapIfrField.swapIndicatorAddress *
FSL_FEATURE_FLASH_PFLASH_SWAP_CONTROL_CMD_ADDRESS_ALIGMENT;
if (address != swapIndicatorAddress)
{
return kStatus_FLASH_SwapIndicatorAddressError;
}
return returnCode;
}
#endif /* FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP */
#if defined(FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD) && FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD
/*! @brief Validates the gived flexram function option.*/
static inline status_t flasn_check_flexram_function_option_range(flash_flexram_function_option_t option)
{
if ((option != kFLASH_FlexramFunctionOptionAvailableAsRam) &&
(option != kFLASH_FlexramFunctionOptionAvailableForEeprom))
{
return kStatus_FLASH_InvalidArgument;
}
return kStatus_FLASH_Success;
}
#endif /* FSL_FEATURE_FLASH_HAS_SET_FLEXRAM_FUNCTION_CMD */
/*! @brief Gets the flash protection information (region size, region count).*/
static status_t flash_get_protection_info(flash_config_t *config, flash_protection_config_t *info)
{
uint32_t pflashTotalSize;
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
/* Clean up info Structure*/
memset(info, 0, sizeof(flash_protection_config_t));
/* Note: KW40 has a secondary flash, but it doesn't have independent protection register*/
#if FLASH_SSD_IS_SECONDARY_FLASH_ENABLED && (!FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_PROTECTION_REGISTER)
pflashTotalSize = FSL_FEATURE_FLASH_PFLASH_BLOCK_COUNT * FSL_FEATURE_FLASH_PFLASH_BLOCK_SIZE +
FSL_FEATURE_FLASH_PFLASH_1_BLOCK_COUNT * FSL_FEATURE_FLASH_PFLASH_1_BLOCK_SIZE;
info->regionBase = FSL_FEATURE_FLASH_PFLASH_START_ADDRESS;
#else
pflashTotalSize = config->PFlashTotalSize;
info->regionBase = config->PFlashBlockBase;
#endif
#if FLASH_SSD_IS_SECONDARY_FLASH_ENABLED && FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_PROTECTION_REGISTER
if (config->FlashMemoryIndex == (uint8_t)kFLASH_MemoryIndexSecondaryFlash)
{
info->regionCount = FSL_FEATURE_FLASH_PFLASH_1_PROTECTION_REGION_COUNT;
}
else
#endif
{
info->regionCount = FSL_FEATURE_FLASH_PFLASH_PROTECTION_REGION_COUNT;
}
/* Calculate the size of the flash protection region
* If the flash density is > 32KB, then protection region is 1/32 of total flash density
* Else if flash density is < 32KB, then flash protection region is set to 1KB */
if (pflashTotalSize > info->regionCount * 1024)
{
info->regionSize = (pflashTotalSize) / info->regionCount;
}
else
{
info->regionSize = 1024;
}
return kStatus_FLASH_Success;
}
#if defined(FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL) && FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL
/*! @brief Gets the flash Execute-Only access information (Segment size, Segment count).*/
static status_t flash_get_access_info(flash_config_t *config, flash_access_config_t *info)
{
if (config == NULL)
{
return kStatus_FLASH_InvalidArgument;
}
/* Clean up info Structure*/
memset(info, 0, sizeof(flash_access_config_t));
/* Note: KW40 has a secondary flash, but it doesn't have independent access register*/
#if FLASH_SSD_IS_SECONDARY_FLASH_ENABLED && (!FLASH_SSD_SECONDARY_FLASH_HAS_ITS_OWN_ACCESS_REGISTER)
info->SegmentBase = FSL_FEATURE_FLASH_PFLASH_START_ADDRESS;
#else
info->SegmentBase = config->PFlashBlockBase;
#endif
info->SegmentSize = config->PFlashAccessSegmentSize;
info->SegmentCount = config->PFlashAccessSegmentCount;
return kStatus_FLASH_Success;
}
#endif /* FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL */
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