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rob-robinson-14Hi-Im-David
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soc: nordic: Add support for nRF7120 SoC
Add nRF7120 to soc directory Signed-off-by: Robert Robinson <[email protected]> Co-authored-by: David Jewsbury <[email protected]>
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‎soc/nordic/CMakeLists.txt‎

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# SPDX-License-Identifier: Apache-2.0
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zephyr_library()
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if(CONFIG_ARM)
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set(SOC_LINKER_SCRIPT ${ZEPHYR_BASE}/include/zephyr/arch/arm/cortex_m/scripts/linker.ld CACHE INTERNAL "SoC Linker script")
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endif()
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zephyr_library_sources(
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${ZEPHYR_BASE}/soc/nordic/validate_base_addresses.c
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${ZEPHYR_BASE}/soc/nordic/validate_binding_headers.c
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${ZEPHYR_BASE}/soc/nordic/validate_enabled_instances.c
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)
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# Include dt-bindings headers into the build. This lets us validate all required
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# DT values against the MDK, without having to conditionally include different
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# headers for different SoCs.
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set(dt_binding_includes ${DTS_INCLUDE_FILES})
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list(FILTER dt_binding_includes INCLUDE REGEX "/dt-bindings/.*\.h$")
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list(TRANSFORM dt_binding_includes PREPEND "-include;")
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set_source_files_properties(
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validate_binding_headers.c
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DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
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PROPERTIES COMPILE_OPTIONS "${dt_binding_includes}"
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)
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if(CONFIG_SOC_HAS_TIMING_FUNCTIONS AND NOT CONFIG_BOARD_HAS_TIMING_FUNCTIONS)
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if(CONFIG_TIMING_FUNCTIONS)
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# Use nRF-specific timing calculations only if DWT is not present
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if(NOT CONFIG_CORTEX_M_DWT)
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zephyr_library_sources(${ZEPHYR_BASE}/soc/nordic/timing.c)
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endif()
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endif()
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endif()
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if(CONFIG_BUILD_WITH_TFM)
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set_property(TARGET zephyr_property_target
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APPEND PROPERTY TFM_CMAKE_OPTIONS -DHAL_NORDIC_PATH=${ZEPHYR_HAL_NORDIC_MODULE_DIR}
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APPEND PROPERTY TFM_CMAKE_OPTIONS -DZEPHYR_BASE=${ZEPHYR_BASE}
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APPEND PROPERTY TFM_CMAKE_OPTIONS -DNRF_NS_STORAGE=${CONFIG_TFM_NRF_NS_STORAGE}
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)
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endif()
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add_subdirectory(${SOC_SERIES})
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include_directories(${ZEPHYR_BASE}/soc/nordic/common)

‎soc/nordic/Kconfig‎

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# Nordic Semiconductor nRFx MCU line
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# Copyright (c) 2016-2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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# This file is contains Zephyr build system Kconfig references and is not
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# re-usable outside the Zephyr tree.
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if SOC_FAMILY_NORDIC_NRF
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rsource "*/Kconfig"
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endif # SOC_FAMILY_NORDIC_NRF

‎soc/nordic/Kconfig.defconfig‎

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# Nordic Semiconductor nRFx MCU line
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# Copyright (c) 2016-2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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# This file is contains Zephyr build system Kconfig references and is not
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# re-usable outside the Zephyr tree.
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if SOC_FAMILY_NORDIC_NRF
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rsource "*/Kconfig.defconfig"
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endif # SOC_FAMILY_NORDIC_NRF

‎soc/nordic/Kconfig.soc‎

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# Copyright (c) 2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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config SOC_SERIES
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default "nrf71" if SOC_SERIES_NRF71X
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config SOC_SERIES_NRF71X
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bool
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select SOC_FAMILY_NORDIC_NRF
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help
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Nordic Semiconductor nRF71 series MCU
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rsource "*/Kconfig.soc"

‎soc/nordic/nrf71/CMakeLists.txt‎

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# Copyright (c) 2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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zephyr_library_sources(
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soc.c
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)
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zephyr_include_directories(.)
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add_subdirectory(${ZEPHYR_BASE}/soc/nordic/common ${CMAKE_BINARY_DIR}/common)
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# Ensure that image size aligns with 16 bytes so that MRAMC finalizes all writes
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# for the image correctly
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zephyr_linker_sources(SECTIONS SORT_KEY zzz_place_align_at_end align.ld)
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# We need a buffer in memory in a static location which can be used by
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# the KMU peripheral. The KMU has a static destination address,for nRF7120
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# this address is defined as 0x200F_FF00, which is the last 256 Bytes in the SRAM.
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if(NOT CONFIG_BUILD_WITH_TFM AND CONFIG_PSA_NEED_CRACEN_KMU_DRIVER)
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# Exclamation mark is printable character with the lowest number in ASCII table.
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# We are sure that this file will be included first.
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zephyr_linker_sources(RAM_SECTIONS SORT_KEY ! kmu_push_area_section.ld)
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endif()

‎soc/nordic/nrf71/Kconfig‎

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# Nordic Semiconductor nRF71 MCU line
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# Copyright (c) 2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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config SOC_SERIES_NRF71X
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select HAS_NRFX
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select HAS_NORDIC_DRIVERS
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select HAS_SEGGER_RTT if ZEPHYR_SEGGER_MODULE
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select SOC_EARLY_INIT_HOOK
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select SOC_RESET_HOOK
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config SOC_NRF7120_ENGA_CPUAPP
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select ARM
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select ARMV8_M_DSP
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select CPU_CORTEX_M33
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select CPU_HAS_ARM_MPU
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select CPU_HAS_ICACHE
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select CPU_HAS_ARM_SAU
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select CPU_HAS_FPU
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select HAS_HW_NRF_RADIO_IEEE802154
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select HAS_POWEROFF
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config SOC_NRF7120_ENGA_CPUFLPR
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select RISCV_CORE_NORDIC_VPR

‎soc/nordic/nrf71/Kconfig.defconfig‎

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# Nordic Semiconductor nRF71 MCU line
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# Copyright (c) 2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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if SOC_SERIES_NRF71X
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rsource "Kconfig.defconfig.nrf71*"
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if ARM
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config CORTEX_M_SYSTICK
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default !NRF_GRTC_TIMER
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config CACHE_NRF_CACHE
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default y if EXTERNAL_CACHE
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endif # ARM
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if RISCV
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DT_CHOSEN_Z_SRAM = zephyr,sram
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DT_CHOSEN_Z_CODE = zephyr,code-partition
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config BUILD_OUTPUT_ADJUST_LMA
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depends on !XIP
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default "$(dt_chosen_partition_addr_hex,$(DT_CHOSEN_Z_CODE)) - \
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$(dt_chosen_reg_addr_hex,$(DT_CHOSEN_Z_SRAM))"
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endif # RISCV
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endif # SOC_SERIES_NRF71X

‎soc/nordic/nrf71/Kconfig.defconfig.nrf7120_enga_cpuapp‎

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# Nordic Semiconductor nRF7120 MCU
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# Copyright (c) 2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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if SOC_NRF7120_ENGA_CPUAPP
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config NUM_IRQS
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default 293
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endif # SOC_NRF7120_ENGA_CPUAPP

‎soc/nordic/nrf71/Kconfig.defconfig.nrf7120_enga_cpuflpr‎

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# Nordic Semiconductor nRF7120 MCU
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# Copyright (c) 2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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if SOC_NRF7120_ENGA_CPUFLPR
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config NUM_IRQS
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default 293
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# As FLPR has limited memory most of tests does not fit with asserts enabled.
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config ASSERT
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default n
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endif # SOC_NRF7120_ENGA_CPUFLPR

‎soc/nordic/nrf71/Kconfig.soc‎

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# Nordic Semiconductor nRF71 MCU line
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# Copyright (c) 2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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config SOC_NRF7120
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bool
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select SOC_SERIES_NRF71X
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help
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NRF7120
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config SOC_NRF7120_ENGA
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bool
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select SOC_NRF7120
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help
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NRF7120 ENGA
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config SOC_NRF7120_ENGA_CPUAPP
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bool
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select SOC_NRF7120_ENGA
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help
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NRF7120 ENGA CPUAPP
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config SOC_NRF7120_ENGA_CPUFLPR
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bool
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select SOC_NRF7120_ENGA
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help
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NRF7120 ENGA CPUFLPR
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config SOC
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default "nrf7120" if SOC_NRF7120

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