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# Copyright (c) 2023, Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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menuconfig RETENTION
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bool "Retention support"
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imply CRC
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depends on RETAINED_MEM
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depends on DT_HAS_ZEPHYR_RETENTION_ENABLED
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help
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2023-02-23 22:36:45 +08:00
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Enables support for the retention system, which uses retained memory
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drivers.
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if RETENTION
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config RETENTION_INIT_PRIORITY
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int "Retention devices init priority"
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default 86
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help
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Retention device initialization priority (must be higher than init
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priorities for retained memory drivers).
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2023-04-06 19:13:43 +08:00
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config RETENTION_MUTEXES
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bool
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default y
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depends on MULTITHREADING
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depends on !RETENTION_MUTEX_FORCE_DISABLE
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config RETENTION_MUTEX_FORCE_DISABLE
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bool "Disable retention mutex support"
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depends on MULTITHREADING
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help
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Disable use of mutexes which prevent issues with concurrent retention
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device access. This option should only be enabled when retention
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access is required in an ISR or for special use cases.
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config RETENTION_BUFFER_SIZE
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int "Retention stack buffer sizes"
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default 16
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range 1 4096
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help
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Size of buffers (stack based) used when reading and writing data
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from/to the retention device.
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menu "Retention modules"
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config RETENTION_BOOT_MODE
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bool "Boot mode"
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help
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Adds a boot mode system that allows for changing execution flow
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depending upon the value of a boot mode parameter. Can be used for
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e.g. button-less bootloader serial recovery mode entering from the
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application.
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In order to use this, a retention area with at least 1 usable user
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byte must be created and set as the "zephyr,boot-mode" chosen node
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via device tree.
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2023-03-14 20:37:49 +08:00
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source "subsys/retention/Kconfig.blinfo"
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endmenu
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module = RETENTION
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module-str = retention
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source "subsys/logging/Kconfig.template.log_config"
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endif # RETENTION
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