nRF71 Wi-Fi support

boards/nordic/nrf7120pdk/Kconfig.nrf7120pdk

@@ -3,6 +3,9 @@
 config BOARD_NRF7120PDK
 	select SOC_NRF7120_ENGA_CPUAPP if BOARD_NRF7120PDK_NRF7120_CPUAPP  || \
 						BOARD_NRF7120PDK_NRF7120_CPUAPP_NS || \
-						BOARD_NRF7120PDK_NRF7120_CPUAPP_EMU
+						BOARD_NRF7120PDK_NRF7120_CPUAPP_EMU || \
+						BOARD_NRF7120PDK_NRF7120_CPUAPP_FPGA
+	select SOC_NRF7120_PREENG if BOARD_NRF7120PDK_NRF7120_CPUAPP_EMU || \
+						BOARD_NRF7120PDK_NRF7120_CPUAPP_FPGA
 	select SOC_NRF7120_ENGA_CPUFLPR if BOARD_NRF7120PDK_NRF7120_CPUFLPR || \
 					    BOARD_NRF7120PDK_NRF7120_CPUFLPR_XIP

boards/nordic/nrf7120pdk/board.yml

@@ -10,3 +10,5 @@ board:
       cpucluster: cpuapp
     - name: emu
       cpucluster: cpuapp
+    - name: fpga
+      cpucluster: cpuapp

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

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+&pinctrl {
+	/omit-if-no-ref/ uart00_default: uart00_default {
+		group1 {
+			psels = <NRF_PSEL(UART_TX, 2, 2)>,
+					<NRF_PSEL(UART_RTS, 2, 5)>;
+		};
+
+		group2 {
+			psels = <NRF_PSEL(UART_RX, 2, 0)>,
+					<NRF_PSEL(UART_CTS, 2, 4)>;
+			bias-pull-up;
+		};
+	};
+
+	/omit-if-no-ref/ uart00_sleep: uart00_sleep {
+		group1 {
+			psels = <NRF_PSEL(UART_TX, 2, 2)>,
+					<NRF_PSEL(UART_RX, 2, 0)>,
+					<NRF_PSEL(UART_RTS, 2, 5)>,
+					<NRF_PSEL(UART_CTS, 2, 4)>;
+			low-power-enable;
+		};
+	};
+};

boards/nordic/nrf7120pdk/nrf7120pdk_nrf7120_cpuapp_fpga.dts

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/dts-v1/;
+
+#include "nrf7120_cpuapp_common.dtsi"
+#include "nrf7120pdk_nrf7120-fpga-pinctrl.dtsi"
+
+/ {
+	compatible = "nordic,nrf7120pdk_nrf7120-cpuapp";
+	model = "Nordic nRF7120 PDK nRF7120 Application MCU";
+
+	chosen {
+		zephyr,sram = &cpuapp_sram;
+		zephyr,console = &uart00;
+		zephyr,shell-uart = &uart00;
+	};
+};
+
+&uart00 {
+	status = "okay";
+};
+
+&grtc {
+	status = "okay";
+};
+
+&systick {
+	status = "disabled";
+};
+
+&psa_rng {
+	status = "okay";
+};
+
+&uicr {
+	status = "disabled";
+};
+
+&clock {
+	status = "okay";
+};
+
+&cpuapp_sram {
+	status = "okay";
+};

boards/nordic/nrf7120pdk/nrf7120pdk_nrf7120_cpuapp_fpga.yaml

@@ -0,0 +1,23 @@
+# Copyright (c) 2025 Nordic Semiconductor ASA
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+identifier: nrf7120pdk/nrf7120/cpuapp/fpga
+name: nRF7120-PDK-nRF7120-Application
+type: mcu
+arch: arm
+toolchain:
+  - gnuarmemb
+  - xtools
+  - zephyr
+sysbuild: true
+ram: 512
+flash: 960
+supported:
+  - adc
+  - counter
+  - gpio
+  - i2c
+  - pwm
+  - spi
+  - watchdog
+  - i2s

boards/nordic/nrf7120pdk/nrf7120pdk_nrf7120_cpuapp_fpga_defconfig

@@ -0,0 +1,37 @@
+# Copyright (c) 2025 Nordic Semiconductor ASA
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+# Enable UART driver
+CONFIG_SERIAL=y
+
+# Enable console
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y
+
+# Enable GPIO
+CONFIG_GPIO=y
+
+# Enable MPU
+CONFIG_ARM_MPU=y
+
+# Enable hardware stack protection
+CONFIG_HW_STACK_PROTECTION=y
+
+# MPU-based null-pointer dereferencing detection cannot
+# be applied as the (0x0 - 0x400) is unmapped for this target.
+CONFIG_NULL_POINTER_EXCEPTION_DETECTION_NONE=y
+
+# Start SYSCOUNTER on driver init
+CONFIG_NRF_GRTC_TIMER_APP_DEFINED_INIT=n
+CONFIG_NRF_GRTC_START_SYSCOUNTER=y
+
+# LFRC is not working in EMU at the moment
+# CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y
+
+# CRACEN not available on emulator
+CONFIG_CRACEN_LIB_KMU=n
+
+# Enable Debugging when working with emulator
+CONFIG_OUTPUT_DISASSEMBLY=y
+CONFIG_DEBUG=y
+CONFIG_LOG=y

samples/wifi/shell/CMakeLists.txt

@@ -9,6 +9,11 @@ cmake_minimum_required(VERSION 3.20.0)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(nrf_wifi_shell)
 
+target_sources_ifdef(CONFIG_SOC_NRF7120_PREENG
+	app
+	PRIVATE
+	src/wifi_pocap_shell.c)
+
 target_sources_ifdef(CONFIG_NRF70_RAW_DATA_TX
 	app
 	PRIVATE

samples/wifi/shell/src/wifi_pocap_shell.c

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/**
+ * @file
+ * @brief WiFi pre-silicon testing shell
+ */
+
+#include <zephyr/sys/printk.h>
+#include <zephyr/kernel.h>
+#include <zephyr/shell/shell.h>
+#include <zephyr/posix/unistd.h>
+#include <zephyr/logging/log.h>
+#include <soc.h>
+
+LOG_MODULE_REGISTER(pocap_mode, CONFIG_LOG_DEFAULT_LEVEL);
+
+static int cmd_wifi_pocap(const struct shell *sh, size_t argc, char *argv[])
+{
+	uint32_t rx_mode = 0, tx_mode = 0, rx_holdoff = 0, rx_wrap = 0, b2b_mode = 0;
+	int opt;
+
+	optind = 1;
+
+	while ((opt = getopt(argc, argv, "r:t:h:w:b:")) != -1) {
+		switch (opt) {
+		case 'r':
+			rx_mode = (uint32_t)atoi(optarg);
+			break;
+		case 't':
+			tx_mode = (uint32_t)atoi(optarg);
+			break;
+		case 'h':
+			rx_holdoff = (uint32_t)atoi(optarg);
+			break;
+		case 'w':
+			rx_wrap = (uint32_t)atoi(optarg);
+			break;
+		case 'b':
+			b2b_mode = (uint32_t)atoi(optarg);
+			break;
+		default:
+			shell_print(
+				sh,
+				"Usage: wifi_pocap [-b b2b_mode] [other opts]\n"
+				"b2b_mode=0: -r rx_mode -t tx_mode -h rx_holdoff_len -w "
+				"rx_wrap_len\n"
+				"Defaults: rx_mode=0 tx_mode=0 rx_holdoff=0 rx_wrap=0 b2b_mode=0");
+			return -EINVAL;
+		}
+	}
+
+	if (b2b_mode) {
+		shell_print(sh, "Config: back_to_back_mode=%u (others ignored in B2B mode)",
+			    b2b_mode);
+		configure_playout_capture(0, 0, 0, 0, b2b_mode);
+	} else {
+		shell_print(sh, "Config: rx=%u tx=%u holdoff=%u wrap=%u b2b=%u", rx_mode, tx_mode,
+			    rx_holdoff, rx_wrap, b2b_mode);
+		configure_playout_capture(rx_mode, tx_mode, rx_holdoff, rx_wrap, 0);
+	}
+
+	return 0;
+}
+
+SHELL_CMD_REGISTER(wifi_pocap, NULL, "Configure RF Playout Capture", cmd_wifi_pocap);

soc/nordic/nrf71/CMakeLists.txt

@@ -4,6 +4,9 @@
 zephyr_library_sources(
   soc.c
 )
+zephyr_library_sources_ifdef(CONFIG_SOC_NRF7120_PREENG
+  soc_preeng.c
+)
 zephyr_include_directories(.)
 add_subdirectory(${ZEPHYR_BASE}/soc/nordic/common ${CMAKE_BINARY_DIR}/common)
 

soc/nordic/nrf71/Kconfig

@@ -49,4 +49,9 @@ config NRF_TRUSTZONE_RAM_REGION_SIZE
 	  This abstraction allows us to configure TRUSTZONE without depending
 	  on peripheral specific symbols.
 
+# TODO: Remove this option once all pre-ENG variants support AMBIX03
+config SOC_NRF7120_HAS_AMBIX03
+	bool "AMBIX03 available"
+	depends on SOC_NRF7120_PREENG
+
 endif # SOC_SERIES_NRF71X

soc/nordic/nrf71/Kconfig.soc

@@ -15,6 +15,12 @@ config SOC_NRF7120_ENGA
 	help
 	  NRF7120 ENGA
 
+config SOC_NRF7120_PREENG
+	bool
+	select SOC_NRF7120
+	help
+	  NRF7120 PRE-ENG
+
 config SOC_NRF7120_ENGA_CPUAPP
 	bool
 	select SOC_NRF7120_ENGA