Kconfig.nrf

#
# Copyright (c) 2018 Nordic Semiconductor
#
# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
#

# Usually BOARD_DIR is an absolute path and sourced through '<ZEPHYR_ROOT>/boards/Kconfig'.
# But for compliance and doc generation it's a glob and this line ensures that
# boards in sdk-nrf are sourced properly in those occasions.
orsource "./$(BOARD_DIR)/Kconfig.board"
orsource "./$(BOARD_DIR)/Kconfig"

rsource "boards/shields/*/Kconfig.shield"
rsource "subsys/net/openthread/Kconfig.defconfig"

if !TFM_PROFILE_TYPE_MINIMAL
rsource "modules/trusted-firmware-m/Kconfig.mbedtls.defconfig"
endif # ! TFM_PROFILE_TYPE_MINIMAL

if TFM_PROFILE_TYPE_MINIMAL
rsource "modules/trusted-firmware-m/Kconfig.mbedtls_minimal.defconfig"
rsource "modules/trusted-firmware-m/Kconfig.tfm_minimal.defconfig"
endif # TFM_PROFILE_TYPE_MINIMAL

if BUILD_WITH_TFM
rsource "modules/trusted-firmware-m/Kconfig.psa.defconfig"
endif # BUILD_WITH_TFM

menu "Nordic nRF Connect"

# Override boot banner
config BOOT_BANNER_STRING
	default "Booting nRF Connect SDK"

# Override configuration from zephyr which sets this to 0x200 if MCUboot is
# enabled (CONFIG_BOOTLOADER_MCUBOOT), since NCS use partition_manager to
# get this offset intsead.
config ROM_START_OFFSET
	default 0 if PARTITION_MANAGER_ENABLED

#
# Provide a new choice to override the mbedtls_external library completely
# and not have to provide a "dummy" path for the implementation
#
choice MBEDTLS_IMPLEMENTATION
	prompt "Select implementation"
	default MBEDTLS_LIBRARY_NRF_SECURITY

config MBEDTLS_LIBRARY_NRF_SECURITY
	bool "Use Mbed TLS library from Nordic provided security backend"
	depends on NORDIC_SECURITY_BACKEND || NRF_SECURITY
	help
	  Use external, out-of-tree prebuilt Mbed TLS library. For advanced
	  users only.

endchoice

# nRF Connect SDK default experimental warnings to on.
config WARN_EXPERIMENTAL
	default y

# Zephyr default is newlib and not newlib-nano for consistency between architectures.
# To reduce FLASH footprint, newlib-nano is preferred default in NCS when newlib is selected.
config NEWLIB_LIBC_NANO
	default y
	depends on NEWLIB_LIBC && HAS_NEWLIB_LIBC_NANO

# This is a temporary solution to whitelist
# BOARD_THINGY91_NRF9160_NS in compliance
config BOARD_THINGY91_NRF9160_NS
	bool

# memfault depends on the now removed NET_SOCKETS_OFFLOAD_TLS symbol.
# Until an updated memfault sdk is released, we define this as a promptless
# symbol here.
config NET_SOCKETS_OFFLOAD_TLS
	bool

# nRF Connect SDK needs a larger default stacks in certain configurations
#  - For running tests.
#  - For CC3XX RNG
config MAIN_STACK_SIZE
	default 2048 if ZTEST
	default 2048 if ENTROPY_CC3XX && !BUILD_WITH_TFM

config ZTEST_STACK_SIZE
	default 2048 if ZTEST

config PRIVILEGED_STACK_SIZE
	default 2048 if ZTEST

# nRF Connect SDK needs larger mcumgr buffers when supporting multi-image DFU
# or when the Bluetooth Reassembly feature is enabled.
config MCUMGR_TRANSPORT_NETBUF_SIZE
	default 2475 if MCUMGR_TRANSPORT_BT_REASSEMBLY
	default 1024 if UPDATEABLE_IMAGE_NUMBER > 1

# When using HCI on the nRF5340 we need a larger command buffer.
config BT_BUF_CMD_TX_COUNT
	default 10 if SOC_NRF5340_CPUAPP || SOC_NRF5340_CPUNET

# Set ENTROPY_GENERATOR to true for TF-M builds with enabled
# RNG provided from secure services.
config ENTROPY_GENERATOR
	default y if BUILD_WITH_TFM

config INIT_ARCH_HW_AT_BOOT
	default y
	help
	  The image will be booted directly by an unknown image which might not
	  leave the system in a clean state, so it is necessary to perform
	  architecture specific hardware initialization.

DT_COMPAT_NORDIC_QSPI_NOR := nordic,qspi-nor
config NORDIC_QSPI_NOR
	default y if $(dt_compat_on_bus,$(DT_COMPAT_NORDIC_QSPI_NOR),qspi) && PM_EXTERNAL_FLASH_MCUBOOT_SECONDARY && !SPI_NOR

DT_ZEPHYR_FLASH := zephyr,flash
DT_CHOSEN_ZEPHYR_FLASH := $(dt_chosen_path,$(DT_ZEPHYR_FLASH))
config NORDIC_QSPI_NOR_FLASH_LAYOUT_PAGE_SIZE
	default $(dt_node_int_prop_int,$(DT_CHOSEN_ZEPHYR_FLASH),erase-block-size)
	help
	  Set the flash layout page size equal to the erase block size of the
	  chosen Zephyr flash devicetree node to ensure that swapping can be
	  performed.

config GETOPT
	default n

rsource "samples/Kconfig"
rsource "subsys/Kconfig"
rsource "modules/Kconfig"
rsource "lib/Kconfig"
rsource "drivers/Kconfig"
rsource "ext/Kconfig"
rsource "tests/Kconfig"

endmenu