| # 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. |