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# ST Microelectronics STM32 MCUs Flash driver config # Copyright (c) 2016 RnDity Sp. z o.o. # Copyright (c) 2017 BayLibre, SAS # Copyright (c) 2022 Linaro Limited # Copyright (c) 2023 Google Inc # SPDX-License-Identifier: Apache-2.0 config SOC_FLASH_STM32 bool "STM32 flash driver" depends on DT_HAS_ST_STM32_FLASH_CONTROLLER_ENABLED select FLASH_HAS_DRIVER_ENABLED default y select FLASH_PAGE_LAYOUT select FLASH_HAS_PAGE_LAYOUT select MPU_ALLOW_FLASH_WRITE if ARM_MPU select USE_STM32_HAL_FLASH if BT_STM32WBA select USE_STM32_HAL_FLASH_EX if BT_STM32WBA help Enable flash driver for STM32 series if SOC_FLASH_STM32 config FLASH_STM32_WRITE_PROTECT bool "Extended operation for flash write protection control" depends on SOC_SERIES_STM32F4X select FLASH_HAS_EX_OP default n help Enables flash extended operation for enabling/disabling flash write protection. config FLASH_STM32_WRITE_PROTECT_DISABLE_PREVENTION bool "Prevent from disabling flash write protection" depends on FLASH_STM32_WRITE_PROTECT default n help If enabled, all requests to disable flash write protection will be blocked. config FLASH_STM32_READOUT_PROTECTION bool "Extended operation for flash readout protection control" depends on SOC_SERIES_STM32F4X || SOC_SERIES_STM32L4X || SOC_SERIES_STM32G4X select FLASH_HAS_EX_OP default n help Enables flash extended operation for enabling/disabling flash readout protection. config FLASH_STM32_READOUT_PROTECTION_DISABLE_ALLOW bool "Allow disabling readout protection" depends on FLASH_STM32_READOUT_PROTECTION default n help With this option enabled it will be possible to disable readout protection. On STM32 devices it will trigger flash mass erase! config FLASH_STM32_READOUT_PROTECTION_PERMANENT_ALLOW bool "Allow enabling readout protection permanently" depends on FLASH_STM32_READOUT_PROTECTION default n help With this option enabled it will be possible to enable readout protection permanently. config FLASH_STM32_BLOCK_REGISTERS bool "Extended operation for blocking option and control registers" default n help Enables flash extended operations that can be used to disable access to option and control registers until reset. Disabling access to these registers improves system security, because flash content (or protection settings) can't be changed even when exploit was found. endif # SOC_FLASH_STM32 |