| /* |
| * Copyright 2013-2016 Freescale Semiconductor, Inc. |
| * Copyright 2016-2018 NXP |
| * All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| * |
| */ |
| |
| #include "fsl_ftfx_flash.h" |
| |
| /******************************************************************************* |
| * Definitions |
| ******************************************************************************/ |
| |
| /*! |
| * @brief Enumeration for special memory property. |
| */ |
| enum _ftfx_special_mem_property |
| { |
| kFTFx_AccessSegmentUnitSize = 256UL, |
| kFTFx_MinProtectBlockSize = 1024UL, |
| }; |
| |
| /*! |
| * @brief Enumeration for the index of read/program once record |
| */ |
| enum _k3_flash_read_once_index |
| { |
| kFLASH_RecordIndexSwapAddr = 0xA1U, /*!< Index of Swap indicator address.*/ |
| kFLASH_RecordIndexSwapEnable = 0xA2U, /*!< Index of Swap system enable.*/ |
| kFLASH_RecordIndexSwapDisable = 0xA3U, /*!< Index of Swap system disable.*/ |
| }; |
| |
| |
| /******************************************************************************* |
| * Prototypes |
| ******************************************************************************/ |
| |
| static void flash_init_features(ftfx_config_t *config); |
| |
| static uint32_t flash_calculate_mem_size(uint32_t pflashBlockCount, |
| uint32_t pflashBlockSize, |
| uint32_t pfsizeMask, |
| uint32_t pfsizeShift); |
| |
| static uint32_t flash_calculate_prot_segment_size(uint32_t flashSize, uint32_t segmentCount); |
| |
| static status_t flash_check_range_to_get_index(flash_config_t *config, uint32_t start, uint32_t lengthInBytes, uint8_t *flashIndex); |
| |
| /*! @brief Convert address for flash.*/ |
| static status_t flash_convert_start_address(ftfx_config_t *config, uint32_t start); |
| |
| #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(ftfx_config_t *config, uint32_t address); |
| #endif /* FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP */ |
| |
| /******************************************************************************* |
| * Variables |
| ******************************************************************************/ |
| |
| static volatile uint32_t *const kFPROTL = (volatile uint32_t *)&FTFx_FPROT_LOW_REG; |
| static volatile uint32_t *const kFPROTH = (volatile uint32_t *)&FTFx_FPROT_HIGH_REG; |
| #if FTFx_DRIVER_HAS_FLASH1_SUPPORT |
| volatile uint8_t *const kFPROTSL = (volatile uint8_t *)&FTFx_FPROTSL_REG; |
| volatile uint8_t *const kFPROTSH = (volatile uint8_t *)&FTFx_FPROTSH_REG; |
| #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 defined(FSL_FEATURE_FLASH_SIZE_ENCODING_RULE_VERSION) && (FSL_FEATURE_FLASH_SIZE_ENCODING_RULE_VERSION == 1) |
| static 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 */ |
| }; |
| #else |
| static 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 */ |
| }; |
| #endif |
| |
| /******************************************************************************* |
| * Code |
| ******************************************************************************/ |
| |
| status_t FLASH_Init(flash_config_t *config) |
| { |
| status_t returnCode; |
| |
| if (config == NULL) |
| { |
| return kStatus_FTFx_InvalidArgument; |
| } |
| |
| for (uint8_t flashIndex = 0; flashIndex < FTFx_FLASH_COUNT; flashIndex++) |
| { |
| uint32_t pflashStartAddress; |
| uint32_t pflashBlockSize; |
| uint32_t pflashBlockCount; |
| uint32_t pflashBlockSectorSize; |
| uint32_t pflashProtectionRegionCount; |
| uint32_t pflashBlockWriteUnitSize; |
| uint32_t pflashSectorCmdAlignment; |
| uint32_t pflashSectionCmdAlignment; |
| uint32_t pfsizeMask; |
| uint32_t pfsizeShift; |
| uint32_t facssValue; |
| uint32_t facsnValue; |
| |
| config->ftfxConfig[flashIndex].flashDesc.type = kFTFx_MemTypePflash; |
| config->ftfxConfig[flashIndex].flashDesc.index = flashIndex; |
| flash_init_features(&config->ftfxConfig[flashIndex]); |
| |
| #if FTFx_DRIVER_HAS_FLASH1_SUPPORT |
| if(flashIndex == 1) |
| { |
| pflashStartAddress = FLASH1_FEATURE_PFLASH_START_ADDRESS; |
| pflashBlockSize = FLASH1_FEATURE_PFLASH_BLOCK_SIZE; |
| pflashBlockCount = FLASH1_FEATURE_PFLASH_BLOCK_COUNT; |
| pflashBlockSectorSize = FLASH1_FEATURE_PFLASH_BLOCK_SECTOR_SIZE; |
| pflashProtectionRegionCount = FLASH1_FEATURE_PFLASH_PROTECTION_REGION_COUNT; |
| pflashBlockWriteUnitSize = FLASH1_FEATURE_PFLASH_BLOCK_WRITE_UNIT_SIZE; |
| pflashSectorCmdAlignment = FLASH1_FEATURE_PFLASH_SECTOR_CMD_ADDRESS_ALIGMENT; |
| pflashSectionCmdAlignment = FLASH1_FEATURE_PFLASH_SECTION_CMD_ADDRESS_ALIGMENT; |
| pfsizeMask = SIM_FLASH1_PFSIZE_MASK; |
| pfsizeShift = SIM_FLASH1_PFSIZE_SHIFT; |
| facssValue = FTFx_FACSSS_REG; |
| facsnValue = FTFx_FACSNS_REG; |
| } |
| else |
| #endif |
| { |
| pflashStartAddress = FLASH0_FEATURE_PFLASH_START_ADDRESS; |
| pflashBlockSize = FLASH0_FEATURE_PFLASH_BLOCK_SIZE; |
| pflashBlockCount = FLASH0_FEATURE_PFLASH_BLOCK_COUNT; |
| pflashBlockSectorSize = FLASH0_FEATURE_PFLASH_BLOCK_SECTOR_SIZE; |
| pflashProtectionRegionCount = FLASH0_FEATURE_PFLASH_PROTECTION_REGION_COUNT; |
| pflashBlockWriteUnitSize = FLASH0_FEATURE_PFLASH_BLOCK_WRITE_UNIT_SIZE; |
| pflashSectorCmdAlignment = FLASH0_FEATURE_PFLASH_SECTOR_CMD_ADDRESS_ALIGMENT; |
| pflashSectionCmdAlignment = FLASH0_FEATURE_PFLASH_SECTION_CMD_ADDRESS_ALIGMENT; |
| pfsizeMask = SIM_FLASH0_PFSIZE_MASK; |
| pfsizeShift = SIM_FLASH0_PFSIZE_SHIFT; |
| facssValue = FTFx_FACSS_REG; |
| facsnValue = FTFx_FACSN_REG; |
| } |
| |
| config->ftfxConfig[flashIndex].flashDesc.blockBase = pflashStartAddress; |
| config->ftfxConfig[flashIndex].flashDesc.blockCount = pflashBlockCount; |
| config->ftfxConfig[flashIndex].flashDesc.sectorSize = pflashBlockSectorSize; |
| |
| if (config->ftfxConfig[flashIndex].flashDesc.feature.isIndBlock && |
| config->ftfxConfig[flashIndex].flashDesc.feature.hasIndPfsizeReg) |
| { |
| config->ftfxConfig[flashIndex].flashDesc.totalSize = flash_calculate_mem_size(pflashBlockCount, pflashBlockSize, pfsizeMask, pfsizeShift); |
| } |
| else |
| { |
| config->ftfxConfig[flashIndex].flashDesc.totalSize = pflashBlockCount * pflashBlockSize; |
| } |
| |
| if (config->ftfxConfig[flashIndex].flashDesc.feature.hasXaccControl) |
| { |
| ftfx_spec_mem_t *specMem; |
| specMem = &config->ftfxConfig[flashIndex].flashDesc.accessSegmentMem; |
| if (config->ftfxConfig[flashIndex].flashDesc.feature.hasIndXaccReg) |
| { |
| specMem->base = config->ftfxConfig[flashIndex].flashDesc.blockBase; |
| specMem->size = kFTFx_AccessSegmentUnitSize << facssValue; |
| specMem->count = facsnValue; |
| } |
| else |
| { |
| specMem->base = config->ftfxConfig[0].flashDesc.blockBase; |
| specMem->size = kFTFx_AccessSegmentUnitSize << FTFx_FACSS_REG; |
| specMem->count = FTFx_FACSN_REG; |
| } |
| } |
| |
| if (config->ftfxConfig[flashIndex].flashDesc.feature.hasProtControl) |
| { |
| ftfx_spec_mem_t *specMem; |
| specMem = &config->ftfxConfig[flashIndex].flashDesc.protectRegionMem; |
| if (config->ftfxConfig[flashIndex].flashDesc.feature.hasIndProtReg) |
| { |
| specMem->base = config->ftfxConfig[flashIndex].flashDesc.blockBase; |
| specMem->count = pflashProtectionRegionCount; |
| specMem->size = flash_calculate_prot_segment_size(config->ftfxConfig[flashIndex].flashDesc.totalSize, specMem->count); |
| } |
| else |
| { |
| uint32_t pflashTotalSize = 0; |
| specMem->base = config->ftfxConfig[0].flashDesc.blockBase; |
| specMem->count = FLASH0_FEATURE_PFLASH_PROTECTION_REGION_COUNT; |
| #if (FTFx_FLASH_COUNT != 1) |
| if (flashIndex == FTFx_FLASH_COUNT - 1) |
| #endif |
| { |
| uint32_t segmentSize; |
| for (uint32_t i = 0; i < FTFx_FLASH_COUNT; i++) |
| { |
| pflashTotalSize += config->ftfxConfig[flashIndex].flashDesc.totalSize; |
| } |
| segmentSize = flash_calculate_prot_segment_size(pflashTotalSize, specMem->count); |
| for (uint32_t i = 0; i < FTFx_FLASH_COUNT; i++) |
| { |
| config->ftfxConfig[i].flashDesc.protectRegionMem.size = segmentSize; |
| } |
| } |
| } |
| } |
| |
| config->ftfxConfig[flashIndex].opsConfig.addrAligment.blockWriteUnitSize = pflashBlockWriteUnitSize; |
| config->ftfxConfig[flashIndex].opsConfig.addrAligment.sectorCmd = pflashSectorCmdAlignment; |
| config->ftfxConfig[flashIndex].opsConfig.addrAligment.sectionCmd = pflashSectionCmdAlignment; |
| config->ftfxConfig[flashIndex].opsConfig.addrAligment.resourceCmd = FSL_FEATURE_FLASH_PFLASH_RESOURCE_CMD_ADDRESS_ALIGMENT; |
| config->ftfxConfig[flashIndex].opsConfig.addrAligment.checkCmd = FSL_FEATURE_FLASH_PFLASH_CHECK_CMD_ADDRESS_ALIGMENT; |
| config->ftfxConfig[flashIndex].opsConfig.addrAligment.swapCtrlCmd = FSL_FEATURE_FLASH_PFLASH_SWAP_CONTROL_CMD_ADDRESS_ALIGMENT; |
| |
| /* Init FTFx Kernel */ |
| returnCode = FTFx_API_Init(&config->ftfxConfig[flashIndex]); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| } |
| |
| return kStatus_FTFx_Success; |
| } |
| |
| status_t FLASH_Erase(flash_config_t *config, uint32_t start, uint32_t lengthInBytes, uint32_t key) |
| { |
| status_t returnCode; |
| uint8_t flashIndex; |
| |
| returnCode = flash_check_range_to_get_index(config, start, lengthInBytes, &flashIndex); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| |
| returnCode = flash_convert_start_address(&config->ftfxConfig[flashIndex], start); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| |
| return FTFx_CMD_Erase(&config->ftfxConfig[flashIndex], start, lengthInBytes, key); |
| } |
| |
| status_t FLASH_EraseAll(flash_config_t *config, uint32_t key) |
| { |
| return FTFx_CMD_EraseAll(&config->ftfxConfig[0], key); |
| } |
| |
| #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) |
| { |
| return FTFx_CMD_EraseAllUnsecure(&config->ftfxConfig[0], key); |
| } |
| #endif |
| |
| status_t FLASH_Program(flash_config_t *config, uint32_t start, uint8_t *src, uint32_t lengthInBytes) |
| { |
| status_t returnCode; |
| uint8_t flashIndex; |
| |
| returnCode = flash_check_range_to_get_index(config, start, lengthInBytes, &flashIndex); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| |
| returnCode = flash_convert_start_address(&config->ftfxConfig[flashIndex], start); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| |
| return FTFx_CMD_Program(&config->ftfxConfig[flashIndex], start, src, lengthInBytes); |
| } |
| |
| #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, uint8_t *src, uint32_t lengthInBytes) |
| { |
| status_t returnCode; |
| uint8_t flashIndex; |
| |
| returnCode = flash_check_range_to_get_index(config, start, lengthInBytes, &flashIndex); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| |
| returnCode = flash_convert_start_address(&config->ftfxConfig[flashIndex], start); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| |
| return FTFx_CMD_ProgramSection(&config->ftfxConfig[flashIndex], start, src, lengthInBytes); |
| } |
| #endif |
| |
| #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, |
| uint8_t *dst, |
| uint32_t lengthInBytes, |
| ftfx_read_resource_opt_t option) |
| { |
| return FTFx_CMD_ReadResource(&config->ftfxConfig[0], start, dst, lengthInBytes, option); |
| } |
| #endif |
| |
| status_t FLASH_VerifyErase(flash_config_t *config, uint32_t start, uint32_t lengthInBytes, ftfx_margin_value_t margin) |
| { |
| status_t returnCode; |
| uint8_t flashIndex; |
| |
| returnCode = flash_check_range_to_get_index(config, start, lengthInBytes, &flashIndex); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| |
| returnCode = flash_convert_start_address(&config->ftfxConfig[flashIndex], start); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| |
| return FTFx_CMD_VerifyErase(&config->ftfxConfig[flashIndex], start, lengthInBytes, margin); |
| } |
| |
| status_t FLASH_VerifyEraseAll(flash_config_t *config, ftfx_margin_value_t margin) |
| { |
| return FTFx_CMD_VerifyEraseAll(&config->ftfxConfig[0], margin); |
| } |
| |
| status_t FLASH_VerifyProgram(flash_config_t *config, |
| uint32_t start, |
| uint32_t lengthInBytes, |
| const uint8_t *expectedData, |
| ftfx_margin_value_t margin, |
| uint32_t *failedAddress, |
| uint32_t *failedData) |
| { |
| status_t returnCode; |
| uint8_t flashIndex; |
| |
| returnCode = flash_check_range_to_get_index(config, start, lengthInBytes, &flashIndex); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| |
| returnCode = flash_convert_start_address(&config->ftfxConfig[flashIndex], start); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| |
| return FTFx_CMD_VerifyProgram(&config->ftfxConfig[flashIndex], start, lengthInBytes, expectedData, margin, failedAddress, failedData); |
| } |
| |
| status_t FLASH_GetSecurityState(flash_config_t *config, ftfx_security_state_t *state) |
| { |
| return FTFx_REG_GetSecurityState(&config->ftfxConfig[0], state); |
| } |
| |
| status_t FLASH_SecurityBypass(flash_config_t *config, const uint8_t *backdoorKey) |
| { |
| return FTFx_CMD_SecurityBypass(&config->ftfxConfig[0], backdoorKey); |
| } |
| |
| #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, ftfx_flexram_func_opt_t option) |
| { |
| return FTFx_CMD_SetFlexramFunction(&config->ftfxConfig[0], option); |
| } |
| #endif |
| |
| #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, bool isSetEnable) |
| { |
| status_t returnCode; |
| ftfx_swap_state_config_t returnInfo; |
| ftfx_config_t *ftfxConfig; |
| uint8_t flashIndex; |
| |
| returnCode = flash_check_range_to_get_index(config, address, 1, &flashIndex); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| |
| ftfxConfig = &config->ftfxConfig[flashIndex]; |
| |
| memset(&returnInfo, 0xFFU, sizeof(returnInfo)); |
| |
| do |
| { |
| returnCode = FTFx_CMD_SwapControl(ftfxConfig, address, kFTFx_SwapControlOptionReportStatus, &returnInfo); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| |
| if (!isSetEnable) |
| { |
| if (returnInfo.flashSwapState == kFTFx_SwapStateDisabled) |
| { |
| return kStatus_FTFx_Success; |
| } |
| else if (returnInfo.flashSwapState == kFTFx_SwapStateUninitialized) |
| { |
| /* The swap system changed to the DISABLED state with Program flash block 0 |
| * located at relative flash address 0x0_0000 */ |
| returnCode = FTFx_CMD_SwapControl(ftfxConfig, address, kFTFx_SwapControlOptionDisableSystem, &returnInfo); |
| } |
| else |
| { |
| /* Swap disable should be requested only when swap system is in the uninitialized state */ |
| return kStatus_FTFx_SwapSystemNotInUninitialized; |
| } |
| } |
| else |
| { |
| /* When first swap: the initial swap state is Uninitialized, flash swap indicator 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 kFTFx_SwapStateUninitialized: |
| /* If current swap mode is Uninitialized, Initialize Swap to Initialized/READY state. */ |
| returnCode = |
| FTFx_CMD_SwapControl(ftfxConfig, address, kFTFx_SwapControlOptionIntializeSystem, &returnInfo); |
| break; |
| case kFTFx_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(ftfxConfig, address); |
| if (returnCode == kStatus_FTFx_Success) |
| { |
| /* If current swap mode is Initialized/Ready, Initialize Swap to UPDATE state. */ |
| returnCode = |
| FTFx_CMD_SwapControl(ftfxConfig, address, kFTFx_SwapControlOptionSetInUpdateState, &returnInfo); |
| } |
| break; |
| case kFTFx_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 + (ftfxConfig->flashDesc.totalSize >> 1), |
| ftfxConfig->opsConfig.addrAligment.sectorCmd, kFTFx_ApiEraseKey); |
| break; |
| case kFTFx_SwapStateUpdateErased: |
| /* If current swap mode is Update or Update-Erased, progress Swap to COMPLETE State */ |
| returnCode = |
| FTFx_CMD_SwapControl(ftfxConfig, address, kFTFx_SwapControlOptionSetInCompleteState, &returnInfo); |
| break; |
| case kFTFx_SwapStateComplete: |
| break; |
| case kFTFx_SwapStateDisabled: |
| /* When swap system is in disabled state, We need to clear swap system back to uninitialized |
| * by issuing EraseAllBlocks command */ |
| returnCode = kStatus_FTFx_SwapSystemNotInUninitialized; |
| break; |
| default: |
| returnCode = kStatus_FTFx_InvalidArgument; |
| break; |
| } |
| } |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| break; |
| } |
| } while (!((kFTFx_SwapStateComplete == returnInfo.flashSwapState) && isSetEnable)); |
| |
| return returnCode; |
| } |
| #endif /* FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP */ |
| |
| status_t FLASH_IsProtected(flash_config_t *config, |
| uint32_t start, |
| uint32_t lengthInBytes, |
| flash_prot_state_t *protection_state) |
| { |
| status_t returnCode; |
| ftfx_config_t *ftfxConfig; |
| uint8_t flashIndex; |
| |
| if (protection_state == NULL) |
| { |
| return kStatus_FTFx_InvalidArgument; |
| } |
| |
| returnCode = flash_check_range_to_get_index(config, start, lengthInBytes, &flashIndex); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| |
| ftfxConfig = &config->ftfxConfig[flashIndex]; |
| |
| if (ftfxConfig->flashDesc.feature.hasProtControl) |
| { |
| 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[MAX_FLASH_PROT_REGION_COUNT]; /* array of the protection |
| * status for each |
| * protection region */ |
| uint32_t flashRegionAddress[MAX_FLASH_PROT_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 */ |
| bool isBreakNeeded = false; |
| /* 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 <= ftfxConfig->flashDesc.protectRegionMem.count) |
| { |
| flashRegionAddress[regionCounter] = |
| ftfxConfig->flashDesc.protectRegionMem.base + ftfxConfig->flashDesc.protectRegionMem.size * 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 < ftfxConfig->flashDesc.protectRegionMem.count) |
| { |
| if ((ftfxConfig->flashDesc.index == 0) || (!ftfxConfig->flashDesc.feature.hasIndProtReg)) |
| { |
| /* 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 < 16) |
| { |
| flashRegionProtectStatus[regionCounter] = (FTFx_FPROTL2_REG >> (regionCounter - 8)) & (0x01u); |
| } |
| #if defined(MAX_FLASH_PROT_REGION_COUNT) && (MAX_FLASH_PROT_REGION_COUNT > 16) |
| #if (MAX_FLASH_PROT_REGION_COUNT == 20) |
| else if (regionCounter < 20) |
| { |
| flashRegionProtectStatus[regionCounter] = (FTFx_FPROTL1_REG >> (regionCounter - 16)) & (0x01u); |
| } |
| #else |
| else if (regionCounter < 24) |
| { |
| flashRegionProtectStatus[regionCounter] = (FTFx_FPROTL1_REG >> (regionCounter - 16)) & (0x01u); |
| } |
| #endif /*(MAX_FLASH_PROT_REGION_COUNT == 20)*/ |
| #endif |
| #if defined(MAX_FLASH_PROT_REGION_COUNT) && (MAX_FLASH_PROT_REGION_COUNT > 24) |
| else if (regionCounter < 32) |
| { |
| flashRegionProtectStatus[regionCounter] = (FTFx_FPROTL0_REG >> (regionCounter - 24)) & (0x01u); |
| } |
| #endif |
| #if defined(MAX_FLASH_PROT_REGION_COUNT) && (MAX_FLASH_PROT_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 |
| { |
| isBreakNeeded = true; |
| } |
| regionCounter++; |
| } |
| else if ((ftfxConfig->flashDesc.index == 1) && ftfxConfig->flashDesc.feature.hasIndProtReg) |
| { |
| /* Note: So far protection region count may be 8/16 */ |
| if (regionCounter < 8) |
| { |
| flashRegionProtectStatus[regionCounter] = (FTFx_FPROTSL_REG >> regionCounter) & (0x01u); |
| } |
| else if (regionCounter < 16) |
| { |
| flashRegionProtectStatus[regionCounter] = (FTFx_FPROTSH_REG >> (regionCounter - 8)) & (0x01u); |
| } |
| else |
| { |
| isBreakNeeded = true; |
| } |
| regionCounter++; |
| } |
| else |
| {} |
| |
| if (isBreakNeeded) |
| { |
| break; |
| } |
| } |
| |
| /* 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 += ftfxConfig->flashDesc.protectRegionMem.size; /* 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; |
| } |
| } |
| else |
| { |
| *protection_state = kFLASH_ProtectionStateUnprotected; |
| } |
| |
| return kStatus_FTFx_Success; |
| } |
| |
| status_t FLASH_IsExecuteOnly(flash_config_t *config, |
| uint32_t start, |
| uint32_t lengthInBytes, |
| flash_xacc_state_t *access_state) |
| { |
| status_t returnCode; |
| ftfx_config_t *ftfxConfig; |
| uint8_t flashIndex; |
| |
| if (access_state == NULL) |
| { |
| return kStatus_FTFx_InvalidArgument; |
| } |
| |
| returnCode = flash_check_range_to_get_index(config, start, lengthInBytes, &flashIndex); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| |
| ftfxConfig = &config->ftfxConfig[flashIndex]; |
| |
| if (ftfxConfig->flashDesc.feature.hasXaccControl) |
| { |
| #if defined(FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL) && FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL |
| uint32_t executeOnlySegmentCounter = 0; |
| |
| /* calculating end address */ |
| uint32_t endAddress = start + lengthInBytes; |
| |
| /* Aligning start address and end address */ |
| uint32_t alignedStartAddress = ALIGN_DOWN(start, ftfxConfig->flashDesc.accessSegmentMem.size); |
| uint32_t alignedEndAddress = ALIGN_UP(endAddress, ftfxConfig->flashDesc.accessSegmentMem.size); |
| |
| uint32_t segmentIndex = 0; |
| uint32_t maxSupportedExecuteOnlySegmentCount = |
| (alignedEndAddress - alignedStartAddress) / ftfxConfig->flashDesc.accessSegmentMem.size; |
| |
| while (start < endAddress) |
| { |
| uint32_t xacc = 0; |
| bool isInvalidSegmentIndex = false; |
| |
| segmentIndex = (start - ftfxConfig->flashDesc.accessSegmentMem.base) / ftfxConfig->flashDesc.accessSegmentMem.size; |
| |
| if ((ftfxConfig->flashDesc.index == 0) || (!ftfxConfig->flashDesc.feature.hasIndXaccReg)) |
| { |
| /* 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 < ftfxConfig->flashDesc.accessSegmentMem.count) |
| { |
| xacc = *(const volatile uint32_t *)&FTFx_XACCH3_REG; |
| segmentIndex -= 32; |
| } |
| else |
| { |
| isInvalidSegmentIndex = true; |
| } |
| } |
| #if FTFx_DRIVER_HAS_FLASH1_SUPPORT |
| else if ((ftfxConfig->flashDesc.index == 1) && ftfxConfig->flashDesc.feature.hasIndXaccReg) |
| { |
| /* 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 < ftfxConfig->flashDesc.accessSegmentMem.count) |
| { |
| xacc = *(const volatile uint8_t *)&FTFx_XACCSH_REG; |
| segmentIndex -= 8; |
| } |
| else |
| { |
| isInvalidSegmentIndex = true; |
| } |
| } |
| #endif |
| else |
| {} |
| |
| if (isInvalidSegmentIndex) |
| { |
| break; |
| } |
| |
| /* Determine if this address range is in a execute-only protection flash segment. */ |
| if ((~xacc) & (1u << segmentIndex)) |
| { |
| executeOnlySegmentCounter++; |
| } |
| |
| start += ftfxConfig->flashDesc.accessSegmentMem.size; |
| } |
| |
| if (executeOnlySegmentCounter < 1u) |
| { |
| *access_state = kFLASH_AccessStateUnLimited; |
| } |
| else if (executeOnlySegmentCounter < maxSupportedExecuteOnlySegmentCount) |
| { |
| *access_state = kFLASH_AccessStateMixed; |
| } |
| else |
| { |
| *access_state = kFLASH_AccessStateExecuteOnly; |
| } |
| #endif /* FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL */ |
| } |
| else |
| { |
| *access_state = kFLASH_AccessStateUnLimited; |
| } |
| |
| return kStatus_FTFx_Success; |
| } |
| |
| status_t FLASH_PflashSetProtection(flash_config_t *config, pflash_prot_status_t *protectStatus) |
| { |
| if (config == NULL) |
| { |
| return kStatus_FTFx_InvalidArgument; |
| } |
| |
| if (config->ftfxConfig[0].flashDesc.feature.hasProtControl) |
| { |
| if (config->ftfxConfig[0].flashDesc.feature.ProtRegBits >= 32) |
| { |
| *kFPROTL = protectStatus->protl; |
| if (protectStatus->protl != *kFPROTL) |
| { |
| return kStatus_FTFx_CommandFailure; |
| } |
| } |
| if (config->ftfxConfig[0].flashDesc.feature.ProtRegBits == 64) |
| { |
| *kFPROTH = protectStatus->proth; |
| if (protectStatus->proth != *kFPROTH) |
| { |
| return kStatus_FTFx_CommandFailure; |
| } |
| } |
| } |
| #if FTFx_DRIVER_HAS_FLASH1_SUPPORT |
| else if (config->ftfxConfig[1].flashDesc.feature.hasProtControl && \ |
| config->ftfxConfig[1].flashDesc.feature.hasIndProtReg) |
| { |
| if (config->ftfxConfig[1].flashDesc.feature.ProtRegBits == 16) |
| { |
| *kFPROTSL = protectStatus->protsl; |
| if (protectStatus->protsl != *kFPROTSL) |
| { |
| return kStatus_FTFx_CommandFailure; |
| } |
| *kFPROTSH = protectStatus->protsh; |
| if (protectStatus->protsh != *kFPROTSH) |
| { |
| return kStatus_FTFx_CommandFailure; |
| } |
| } |
| } |
| #endif |
| |
| return kStatus_FTFx_Success; |
| } |
| |
| status_t FLASH_PflashGetProtection(flash_config_t *config, pflash_prot_status_t *protectStatus) |
| { |
| if ((config == NULL) || (protectStatus == NULL)) |
| { |
| return kStatus_FTFx_InvalidArgument; |
| } |
| |
| if (config->ftfxConfig[0].flashDesc.feature.hasProtControl) |
| { |
| if (config->ftfxConfig[0].flashDesc.feature.ProtRegBits >= 32) |
| { |
| protectStatus->protl = *kFPROTL; |
| } |
| if (config->ftfxConfig[0].flashDesc.feature.ProtRegBits == 64) |
| { |
| protectStatus->proth = *kFPROTH; |
| } |
| } |
| #if FTFx_DRIVER_HAS_FLASH1_SUPPORT |
| else if (config->ftfxConfig[1].flashDesc.feature.hasProtControl && \ |
| config->ftfxConfig[1].flashDesc.feature.hasIndProtReg) |
| { |
| if (config->ftfxConfig[0].flashDesc.feature.ProtRegBits == 16) |
| { |
| protectStatus->protsl = *kFPROTSL; |
| protectStatus->protsh = *kFPROTSH; |
| } |
| } |
| #endif |
| |
| return kStatus_FTFx_Success; |
| } |
| |
| status_t FLASH_GetProperty(flash_config_t *config, flash_property_tag_t whichProperty, uint32_t *value) |
| { |
| if ((config == NULL) || (value == NULL)) |
| { |
| return kStatus_FTFx_InvalidArgument; |
| } |
| |
| switch (whichProperty) |
| { |
| case kFLASH_PropertyPflash0SectorSize: |
| *value = config->ftfxConfig[0].flashDesc.sectorSize; |
| break; |
| case kFLASH_PropertyPflash0TotalSize: |
| *value = config->ftfxConfig[0].flashDesc.totalSize; |
| break; |
| case kFLASH_PropertyPflash0BlockSize: |
| *value = config->ftfxConfig[0].flashDesc.totalSize / config->ftfxConfig[0].flashDesc.blockCount; |
| break; |
| case kFLASH_PropertyPflash0BlockCount: |
| *value = config->ftfxConfig[0].flashDesc.blockCount; |
| break; |
| case kFLASH_PropertyPflash0BlockBaseAddr: |
| *value = config->ftfxConfig[0].flashDesc.blockBase; |
| break; |
| case kFLASH_PropertyPflash0FacSupport: |
| *value = (uint32_t)config->ftfxConfig[0].flashDesc.feature.hasXaccControl; |
| break; |
| case kFLASH_PropertyPflash0AccessSegmentSize: |
| *value = config->ftfxConfig[0].flashDesc.accessSegmentMem.size; |
| break; |
| case kFLASH_PropertyPflash0AccessSegmentCount: |
| *value = config->ftfxConfig[0].flashDesc.accessSegmentMem.count; |
| break; |
| |
| #if FTFx_DRIVER_HAS_FLASH1_SUPPORT |
| case kFLASH_PropertyPflash1SectorSize: |
| *value = config->ftfxConfig[1].flashDesc.sectorSize; |
| break; |
| case kFLASH_PropertyPflash1TotalSize: |
| *value = config->ftfxConfig[1].flashDesc.totalSize; |
| break; |
| case kFLASH_PropertyPflash1BlockSize: |
| *value = config->ftfxConfig[1].flashDesc.totalSize / config->ftfxConfig[1].flashDesc.blockCount; |
| break; |
| case kFLASH_PropertyPflash1BlockCount: |
| *value = config->ftfxConfig[1].flashDesc.blockCount; |
| break; |
| case kFLASH_PropertyPflash1BlockBaseAddr: |
| *value = config->ftfxConfig[1].flashDesc.blockBase; |
| break; |
| case kFLASH_PropertyPflash1FacSupport: |
| *value = (uint32_t)config->ftfxConfig[1].flashDesc.feature.hasXaccControl; |
| break; |
| case kFLASH_PropertyPflash1AccessSegmentSize: |
| *value = config->ftfxConfig[1].flashDesc.accessSegmentMem.size; |
| break; |
| case kFLASH_PropertyPflash1AccessSegmentCount: |
| *value = config->ftfxConfig[1].flashDesc.accessSegmentMem.count; |
| break; |
| #endif |
| |
| case kFLASH_PropertyFlexRamBlockBaseAddr: |
| *value = config->ftfxConfig[0].flexramBlockBase; |
| break; |
| case kFLASH_PropertyFlexRamTotalSize: |
| *value = config->ftfxConfig[0].flexramTotalSize; |
| break; |
| |
| default: /* catch inputs that are not recognized */ |
| return kStatus_FTFx_UnknownProperty; |
| } |
| |
| return kStatus_FTFx_Success; |
| } |
| |
| static void flash_init_features(ftfx_config_t *config) |
| { |
| if (config->flashDesc.index == 0) |
| { |
| config->flashDesc.feature.isIndBlock = 1; |
| config->flashDesc.feature.hasIndPfsizeReg = 1; |
| config->flashDesc.feature.hasIndProtReg = 1; |
| config->flashDesc.feature.hasIndXaccReg = 1; |
| } |
| #if FTFx_DRIVER_HAS_FLASH1_SUPPORT |
| else if (config->flashDesc.index == 1) |
| { |
| config->flashDesc.feature.isIndBlock = FTFx_FLASH1_IS_INDEPENDENT_BLOCK; |
| config->flashDesc.feature.hasIndPfsizeReg = config->flashDesc.feature.isIndBlock; |
| config->flashDesc.feature.hasIndProtReg = FTFx_FLASH1_HAS_INT_PROT_REG; |
| config->flashDesc.feature.hasIndXaccReg = FTFx_FLASH1_HAS_INT_XACC_REG; |
| } |
| #endif |
| |
| config->flashDesc.feature.hasProtControl = 1; |
| config->flashDesc.feature.hasXaccControl = FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL; |
| } |
| |
| static uint32_t flash_calculate_mem_size(uint32_t pflashBlockCount, |
| uint32_t pflashBlockSize, |
| uint32_t pfsizeMask, |
| uint32_t pfsizeShift) |
| { |
| uint8_t pfsize; |
| uint32_t flashDensity; |
| |
| /* 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 */ |
| pfsize = (SIM_FCFG1_REG & pfsizeMask) >> pfsizeShift; |
| if (pfsize == 0xf) |
| { |
| flashDensity = pflashBlockCount * pflashBlockSize; |
| } |
| else |
| { |
| flashDensity = ((uint32_t)kPFlashDensities[pfsize]) << 10; |
| } |
| |
| return flashDensity; |
| } |
| |
| static uint32_t flash_calculate_prot_segment_size(uint32_t flashSize, uint32_t segmentCount) |
| { |
| uint32_t segmentSize; |
| |
| /* 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 (flashSize > segmentCount * kFTFx_MinProtectBlockSize) |
| { |
| segmentSize = flashSize / segmentCount; |
| } |
| else |
| { |
| segmentSize = kFTFx_MinProtectBlockSize; |
| } |
| |
| return segmentSize; |
| } |
| |
| static status_t flash_check_range_to_get_index(flash_config_t *config, uint32_t start, uint32_t lengthInBytes, uint8_t *flashIndex) |
| { |
| if (config == NULL) |
| { |
| return kStatus_FTFx_InvalidArgument; |
| } |
| |
| /* Validates the range of the given address */ |
| for (uint8_t index = 0; index < FTFx_FLASH_COUNT; index++) |
| { |
| if ((start >= config->ftfxConfig[index].flashDesc.blockBase) && |
| ((start + lengthInBytes) <= (config->ftfxConfig[index].flashDesc.blockBase + config->ftfxConfig[index].flashDesc.totalSize))) |
| { |
| *flashIndex = config->ftfxConfig[index].flashDesc.index; |
| return kStatus_FTFx_Success; |
| } |
| } |
| |
| return kStatus_FTFx_AddressError; |
| } |
| |
| static status_t flash_convert_start_address(ftfx_config_t *config, uint32_t start) |
| { |
| if (config == NULL) |
| { |
| return kStatus_FTFx_InvalidArgument; |
| } |
| |
| if (config->flashDesc.index && config->flashDesc.feature.isIndBlock) |
| { |
| /* When required by the command, address bit 23 selects between main flash memory |
| * (=0) and secondary flash memory (=1).*/ |
| config->opsConfig.convertedAddress = start - config->flashDesc.blockBase + 0x800000U; |
| } |
| else |
| { |
| config->opsConfig.convertedAddress = start; |
| } |
| |
| return kStatus_FTFx_Success; |
| } |
| |
| #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(ftfx_config_t *config, uint32_t address) |
| { |
| status_t returnCode; |
| struct _flash_swap_ifr_field_config |
| { |
| uint16_t swapIndicatorAddress; /*!< A Swap indicator address field.*/ |
| uint16_t swapEnableWord; /*!< A Swap enable word field.*/ |
| uint8_t reserved0[4]; /*!< A reserved field.*/ |
| uint8_t reserved1[2]; /*!< A reserved field.*/ |
| uint16_t swapDisableWord; /*!< A Swap disable word field.*/ |
| uint8_t reserved2[4]; /*!< A reserved field.*/ |
| } flashSwapIfrFieldData; |
| uint32_t swapIndicatorAddress; |
| |
| #if defined(FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD) && FSL_FEATURE_FLASH_HAS_READ_RESOURCE_CMD |
| returnCode = |
| FTFx_CMD_ReadResource(config, config->ifrDesc.resRange.pflashSwapIfrStart, (uint8_t *)&flashSwapIfrFieldData, |
| sizeof(flashSwapIfrFieldData), kFTFx_ResourceOptionFlashIfr); |
| |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| #else |
| { |
| /* From RM, the actual info are stored in FCCOB6,7 */ |
| uint32_t returnValue[2]; |
| returnCode = FTFx_CMD_ReadOnce(config, kFLASH_RecordIndexSwapAddr, (uint8_t *)returnValue, 4); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| flashSwapIfrFieldData.swapIndicatorAddress = (uint16_t)returnValue[0]; |
| returnCode = FTFx_CMD_ReadOnce(config, kFLASH_RecordIndexSwapEnable, (uint8_t *)returnValue, 4); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| flashSwapIfrFieldData.swapEnableWord = (uint16_t)returnValue[0]; |
| returnCode = FTFx_CMD_ReadOnce(config, kFLASH_RecordIndexSwapDisable, (uint8_t *)returnValue, 4); |
| if (returnCode != kStatus_FTFx_Success) |
| { |
| return returnCode; |
| } |
| flashSwapIfrFieldData.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.swapIndicatorAddress * |
| config->opsConfig.addrAligment.swapCtrlCmd; |
| if (address != swapIndicatorAddress) |
| { |
| return kStatus_FTFx_SwapIndicatorAddressError; |
| } |
| |
| return returnCode; |
| } |
| #endif /* FSL_FEATURE_FLASH_HAS_PFLASH_BLOCK_SWAP */ |
| |