tests: benchmarks: multicore: Add test for S2RAM and PPR

tests/benchmarks/multicore/idle_ppr/CMakeLists.txt

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+
+if(NOT SYSBUILD)
+	message(FATAL_ERROR
+		" This is a multi-image application that should be built using sysbuild.\n"
+		" Add --sysbuild argument to west build command to prepare all the images.")
+endif()
+
+project(idle_ppr)
+
+target_sources(app PRIVATE src/main.c)

tests/benchmarks/multicore/idle_ppr/Kconfig

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+config TEST_SLEEP_DURATION_MS
+	int "Amount of time (in miliseconds) the core is sleeping"
+	default 1000
+	help
+	  Set sleep duration to TEST_SLEEP_DURATION_MS miliseconds.
+	  Based on the value of 'min-residency-us' specified for each power state defined in the DTS,
+	  core enters the lowest possible power state.
+
+source "Kconfig.zephyr"

tests/benchmarks/multicore/idle_ppr/boards/nrf54h20dk_nrf54h20_cpuapp.overlay

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+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+&cpuppr_vpr {
+	status = "okay";
+};
+
+&cpuppr_ram3x_region {
+	status = "okay";
+};
+
+
+/ {
+	aliases {
+		/delete-property/ led1;
+	};
+};
+
+/delete-node/ &led1;
+
+&gpiote130 {
+	status = "okay";
+	owned-channels = <0>;
+};

tests/benchmarks/multicore/idle_ppr/prj.conf

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+CONFIG_BOOT_BANNER=n
+CONFIG_NCS_BOOT_BANNER=n
+
+CONFIG_LOG=y
+CONFIG_ASSERT=y
+CONFIG_GPIO=y
+
+CONFIG_NRF_REGTOOL_VERBOSITY=1

tests/benchmarks/multicore/idle_ppr/prj_s2ram.conf

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+CONFIG_PM=y
+CONFIG_PM_S2RAM=y
+CONFIG_PM_S2RAM_CUSTOM_MARKING=y
+CONFIG_POWEROFF=y
+CONFIG_SOC_NRF54H20_NO_MRAM_LATENCY=n
+
+CONFIG_PM_DEVICE=y
+CONFIG_PM_DEVICE_RUNTIME=y
+
+CONFIG_BOOT_BANNER=n
+CONFIG_NCS_BOOT_BANNER=n
+CONFIG_PRINTK=n
+CONFIG_LOG=n
+CONFIG_CONSOLE=n
+CONFIG_UART_CONSOLE=n
+CONFIG_SERIAL=n
+
+CONFIG_ASSERT=y
+CONFIG_GPIO=y

tests/benchmarks/multicore/idle_ppr/remote/CMakeLists.txt

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(remote)
+
+target_sources(app PRIVATE ../src/main.c)
+
+if((DEFINED CONFIG_SOC_NRF54H20_CPUPPR) OR (DEFINED CONFIG_SOC_NRF54H20_ENGB_CPUPPR))
+	message(STATUS "Power Mode handler for RISC V is included.")
+	target_sources(app PRIVATE ../src/power_off.c)
+endif()

tests/benchmarks/multicore/idle_ppr/remote/Kconfig

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+config TEST_SLEEP_DURATION_MS
+	int "Amount of time (in miliseconds) the core is sleeping"
+	default 1000
+	help
+	  Set sleep duration to TEST_SLEEP_DURATION_MS miliseconds.
+	  Based on the value of 'min-residency-us' specified for each power state defined in the DTS,
+	  core enters the lowest possible power state.
+
+config APP_PROVIDE_PM_HOOKS
+	bool "Application provides PM hooks"
+	default y
+	select HAS_PM
+	select HAS_POWEROFF
+
+source "Kconfig.zephyr"

tests/benchmarks/multicore/idle_ppr/remote/boards/nrf54h20dk_nrf54h20_cpuppr.overlay

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+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	aliases {
+		led0 = &led3;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		led3: led_3 {
+			gpios = < &gpio9 0x3 0x0 >;
+			label = "Green LED 3";
+		};
+	};
+
+	cpus {
+		power-states {
+			wait: wait {
+				compatible = "zephyr,power-state";
+				power-state-name = "standby";
+				substate-id = <0>;
+				min-residency-us = <20000>;
+			};
+
+			hibernate: hibernate {
+				compatible = "zephyr,power-state";
+				power-state-name = "suspend-to-ram";
+				substate-id = <0>;
+				min-residency-us = <400000>;
+			};
+		};
+	};
+};
+
+&cpu {
+	cpu-power-states = <&wait &hibernate>;
+};
+
+&gpio9 {
+	status = "okay";
+};
+
+&gpiote130 {
+	status = "okay";
+	owned-channels = <2>;
+};

tests/benchmarks/multicore/idle_ppr/remote/boards/nrf54h20dk_nrf54h20_cpurad.overlay

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+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	aliases {
+		led0 = &led1;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		led1: led_1 {
+			gpios = < &gpio9 0x1 0x0 >;
+			label = "Green LED 1";
+		};
+	};
+};
+
+&gpio9 {
+	status = "okay";
+};
+
+&gpiote130 {
+	status = "okay";
+	owned-channels = <1>;
+};

tests/benchmarks/multicore/idle_ppr/remote/prj.conf

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+CONFIG_LOG=n
+CONFIG_CONSOLE=n
+CONFIG_UART_CONSOLE=n
+CONFIG_SERIAL=n
+CONFIG_BOOT_BANNER=n
+CONFIG_NCS_BOOT_BANNER=n
+CONFIG_PRINTK=n
+
+CONFIG_ASSERT=y
+CONFIG_GPIO=y
+
+CONFIG_NRF_REGTOOL_VERBOSITY=1

tests/benchmarks/multicore/idle_ppr/remote/prj_s2ram.conf

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+CONFIG_PM=y
+CONFIG_POWEROFF=y
+
+CONFIG_PM_DEVICE=y
+CONFIG_PM_DEVICE_RUNTIME=y
+
+CONFIG_CONSOLE=n
+CONFIG_UART_CONSOLE=n
+CONFIG_SERIAL=n
+CONFIG_BOOT_BANNER=n
+CONFIG_NCS_BOOT_BANNER=n
+CONFIG_SOC_NRF54H20_NO_MRAM_LATENCY=n
+
+CONFIG_ASSERT=y
+CONFIG_GPIO=y

tests/benchmarks/multicore/idle_ppr/src/main.c

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+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+#include <zephyr/kernel.h>
+#include <zephyr/drivers/gpio.h>
+
+#include <zephyr/logging/log.h>
+LOG_MODULE_REGISTER(idle_ppr, LOG_LEVEL_INF);
+
+static const struct gpio_dt_spec led = GPIO_DT_SPEC_GET(DT_ALIAS(led0), gpios);
+
+/* Variables used to make CPU active for ~1 second */
+static struct k_timer my_timer;
+static bool timer_expired;
+
+void my_timer_handler(struct k_timer *dummy)
+{
+	timer_expired = true;
+}
+
+int main(void)
+{
+	int counter = 0;
+	int ret;
+
+	LOG_INF("Multicore idle_ppr test on %s", CONFIG_BOARD_TARGET);
+	LOG_INF("Main sleeps for %d ms", CONFIG_TEST_SLEEP_DURATION_MS);
+
+	ret = gpio_is_ready_dt(&led);
+	if (!ret) {
+		LOG_ERR("LED is not ready");
+	}
+	__ASSERT(ret, "LED is not ready\n");
+
+	ret = gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE);
+	if (ret < 0) {
+		LOG_ERR("Unable to configure GPIO as output");
+	}
+	__ASSERT(ret == 0, "Unable to configure GPIO as output\n");
+
+	k_timer_init(&my_timer, my_timer_handler, NULL);
+
+	/* Run test forever */
+	while (1) {
+		timer_expired = false;
+
+		/* start a one-shot timer that expires after 1 second */
+		k_timer_start(&my_timer, K_MSEC(1000), K_NO_WAIT);
+
+		/* Turn ON LED */
+		ret = gpio_pin_set_dt(&led, 1);
+		if (ret < 0) {
+			LOG_ERR("Unable to turn on LED");
+		}
+		__ASSERT(ret == 0, "Unable to turn on LED\n");
+
+		/* Keep CPU active for ~ 1 second */
+		while (!timer_expired) {
+			k_busy_wait(10000);
+			k_yield();
+		}
+
+		/* Turn OFF LED */
+		ret = gpio_pin_set_dt(&led, 0);
+		if (ret < 0) {
+			LOG_ERR("Unable to turn off LED");
+		}
+		__ASSERT(ret == 0, "Unable to turn off LED\n");
+
+		LOG_INF("Run %d", counter);
+		counter++;
+
+		/* Sleep / enter low power state */
+		k_msleep(CONFIG_TEST_SLEEP_DURATION_MS);
+	}
+
+	return 0;
+}