# General options signifying CPU capabilities of ARM SoCs # Copyright (c) 2018 Nordic Semiconductor ASA. # SPDX-License-Identifier: Apache-2.0 config CPU_HAS_ARM_MPU bool select CPU_HAS_MPU help This option is enabled when the CPU has a Memory Protection Unit (MPU) in ARM flavor. config CPU_HAS_NXP_MPU bool select CPU_HAS_MPU help This option is enabled when the CPU has a Memory Protection Unit (MPU) in NXP flavor. config CPU_HAS_CUSTOM_FIXED_SOC_MPU_REGIONS bool "Custom fixed SoC MPU region definition" help If enabled, this option signifies that the SoC will define and configure its own fixed MPU regions in the SoC definition. These fixed MPU regions are currently used to set Flash and SRAM default access policies and they are programmed at boot time. config CPU_HAS_ARM_SAU bool select CPU_HAS_TEE help MCU implements the ARM Security Attribution Unit (SAU). config CPU_HAS_NRF_IDAU bool depends on SOC_SERIES_NRF91X || SOC_NRF5340_CPUAPP select CPU_HAS_TEE help MCU implements the nRF (vendor-specific) Security Attribution Unit. (IDAU: "Implementation-Defined Attribution Unit", in accordance with ARM terminology). if CPU_HAS_NRF_IDAU config NRF_SPU_FLASH_REGION_SIZE hex default 0x8000 if SOC_NRF9160 default 0x8000 if SOC_NRF5340_CPUAPP && NRF5340_CPUAPP_ERRATUM19 default 0x4000 if SOC_NRF5340_CPUAPP help FLASH region size for the NRF_SPU peripheral config NRF_SPU_RAM_REGION_SIZE hex default 0x2000 if SOC_NRF9160 || SOC_NRF5340_CPUAPP help RAM region size for the NRF_SPU peripheral endif config HAS_SWO bool help When enabled, indicates that SoC has an SWO output config SOC_PART_NUMBER string help This string holds the full part number of the SoC. It is a hidden option that you should not set directly. The part number selection choice defines the default value for this string.