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