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rob-robinson-14nordicjm
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boards: Add nrf7120pdk/nrf7120cpuapp/emu
Add board configuration for nRF7120 emulator Add work around for starting LFRC clock ahead of grtc init Signed-off-by: Robert Robinson <[email protected]>
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‎boards/nordic/nrf7120pdk/CMakeLists.txt‎

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# Copyright (c) 2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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zephyr_library_sources(board.c)

‎boards/nordic/nrf7120pdk/Kconfig‎

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# Copyright (c) 2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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config BOARD_NRF7120PDK
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select BOARD_EARLY_INIT_HOOK if BOARD_NRF7120PDK_NRF7120_CPUAPP_EMU

‎boards/nordic/nrf7120pdk/Kconfig.nrf7120pdk‎

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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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config BOARD_NRF7120PDK
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select SOC_NRF7120_ENGA_CPUAPP if BOARD_NRF7120PDK_NRF7120_CPUAPP || \
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BOARD_NRF7120PDK_NRF7120_CPUAPP_NS
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BOARD_NRF7120PDK_NRF7120_CPUAPP_NS || \
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BOARD_NRF7120PDK_NRF7120_CPUAPP_EMU
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select SOC_NRF7120_ENGA_CPUFLPR if BOARD_NRF7120PDK_NRF7120_CPUFLPR || \
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BOARD_NRF7120PDK_NRF7120_CPUFLPR_XIP

‎boards/nordic/nrf7120pdk/board.c‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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#include <zephyr/platform/hooks.h>
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#include "nrf7120_enga_types.h"
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#include "nrf7120_enga_global.h"
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#if CONFIG_BOARD_EARLY_INIT_HOOK
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/* Temporary workaround while VPR does not handle starting LFRC */
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void board_early_init_hook(void)
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{
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NRF_CLOCK_S->LFCLK.SRC = CLOCK_LFCLK_SRC_SRC_LFRC;
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NRF_CLOCK_S->TASKS_LFCLKSTART = 1;
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/* Wait for event */
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while (NRF_CLOCK_S->EVENTS_LFCLKSTARTED !=
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CLOCK_EVENTS_LFCLKSTARTED_EVENTS_LFCLKSTARTED_Generated) {
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}
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}
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#endif

‎boards/nordic/nrf7120pdk/board.yml‎

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cpucluster: cpuflpr
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- name: ns
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cpucluster: cpuapp
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- name: emu
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cpucluster: cpuapp

‎boards/nordic/nrf7120pdk/nrf7120pdk_nrf7120-emu-pinctrl.dtsi‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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&pinctrl {
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uart00_default: uart00_default {
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group1 {
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psels = <NRF_PSEL(UART_TX, 2, 2)>,
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<NRF_PSEL(UART_RTS, 2, 5)>;
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};
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group2 {
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psels = <NRF_PSEL(UART_RX, 2, 0)>,
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<NRF_PSEL(UART_CTS, 2, 4)>;
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bias-pull-up;
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};
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};
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uart00_sleep: uart00_sleep {
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group1 {
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psels = <NRF_PSEL(UART_TX, 2, 2)>,
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<NRF_PSEL(UART_RX, 2, 0)>,
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<NRF_PSEL(UART_RTS, 2, 5)>,
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<NRF_PSEL(UART_CTS, 2, 4)>;
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low-power-enable;
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};
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};
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};

‎boards/nordic/nrf7120pdk/nrf7120pdk_nrf7120_cpuapp_emu.dts‎

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/*
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* Copyright (c) 2025 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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*/
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/dts-v1/;
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#include "nrf7120_cpuapp_common.dtsi"
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#include "nrf7120pdk_nrf7120-emu-pinctrl.dtsi"
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/ {
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compatible = "nordic,nrf7120pdk_nrf7120-cpuapp";
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model = "Nordic nRF7120 PDK nRF7120 Application MCU";
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chosen {
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zephyr,sram = &cpuapp_sram;
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zephyr,console = &uart00;
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zephyr,shell-uart = &uart00;
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};
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};
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&uart00 {
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status = "okay";
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current-speed = <115200>;
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pinctrl-0 = <&uart00_default>;
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pinctrl-1 = <&uart00_sleep>;
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pinctrl-names = "default", "sleep";
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};
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&grtc {
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status = "okay";
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};
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&systick {
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status = "disabled";
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};
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&psa_rng {
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status = "okay";
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};
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&uicr {
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status = "disabled";
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};
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&clock {
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status = "okay";
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};
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&cpuapp_sram {
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status = "okay";
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};

‎boards/nordic/nrf7120pdk/nrf7120pdk_nrf7120_cpuapp_emu.yaml‎

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# Copyright (c) 2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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identifier: nrf7120pdk/nrf7120/cpuapp/emu
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name: nRF7120-PDK-nRF7120-Application
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type: mcu
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arch: arm
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toolchain:
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- gnuarmemb
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- xtools
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- zephyr
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sysbuild: true
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ram: 512
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flash: 960
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supported:
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- adc
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- counter
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- gpio
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- i2c
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- pwm
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- spi
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- watchdog
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- i2s

‎boards/nordic/nrf7120pdk/nrf7120pdk_nrf7120_cpuapp_emu_defconfig‎

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# Copyright (c) 2025 Nordic Semiconductor ASA
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# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
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# Enable UART driver
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CONFIG_SERIAL=y
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# Enable console
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CONFIG_CONSOLE=y
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CONFIG_UART_CONSOLE=y
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# Enable GPIO
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CONFIG_GPIO=y
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# Enable MPU
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CONFIG_ARM_MPU=y
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# Enable hardware stack protection
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CONFIG_HW_STACK_PROTECTION=y
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# MPU-based null-pointer dereferencing detection cannot
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# be applied as the (0x0 - 0x400) is unmapped for this target.
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CONFIG_NULL_POINTER_EXCEPTION_DETECTION_NONE=y
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# Start SYSCOUNTER on driver init
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CONFIG_NRF_GRTC_TIMER_APP_DEFINED_INIT=n
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CONFIG_NRF_GRTC_START_SYSCOUNTER=y
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CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y
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# Enable Debugging when working with emulator
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CONFIG_OUTPUT_DISASSEMBLY=y
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CONFIG_DEBUG=y
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CONFIG_LOG=y

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