tests: drivers: mspi: hpf: Add trap handler test

Force ASSERT call to trigger trap handler.

Signed-off-by: Jakub Zymelka <[email protected]>

Author: jaz1-nordic

CODEOWNERS

@@ -848,6 +848,7 @@
 /tests/drivers/fprotect/                  @nrfconnect/ncs-pluto
 /tests/drivers/lpuart/                    @nordic-krch
 /tests/drivers/mspi/app_fault_timer/      @nrfconnect/ncs-low-level-test @nrfconnect/ncs-ll-ursus
+/tests/drivers/mspi/trap_handler/         @nrfconnect/ncs-low-level-test @nrfconnect/ncs-ll-ursus
 /tests/drivers/nrfx_integration_test/     @nrfconnect/ncs-co-drivers
 /tests/drivers/pwm/gpio_loopback/         @nrfconnect/ncs-low-level-test
 /tests/drivers/uart/                      @nrfconnect/ncs-low-level-test

tests/drivers/mspi/trap_handler/CMakeLists.txt

@@ -0,0 +1,12 @@
+#
+# Copyright (c) 2025 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(hpf_app_trap_handler)
+
+target_sources(app PRIVATE src/main.c)

tests/drivers/mspi/trap_handler/boards/nrf54l15dk_nrf54l15_cpuapp_memory.overlay

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+&cpuflpr_code_partition {
+	reg = <0x177000 DT_SIZE_K(24)>;
+};
+
+&sram_rx {
+	reg = <0x20039000 0x07f0>;
+};
+
+&sram_tx {
+	reg = <0x200397f0 0x07f0>;
+};
+
+&cpuflpr_error_code {
+	reg = <0x20039fe0 0x0020>; /* 32bytes */
+};
+
+&cpuflpr_sram_code_data {
+	compatible = "mmio-sram";
+	reg = <0x2003a000 DT_SIZE_K(24)>;
+	#address-cells = <1>;
+	#size-cells = <1>;
+	ranges = <0x0 0x2003a000 0x6000>;
+};
+
+&cpuapp_rram {
+	reg = <0x0 DT_SIZE_K(1500)>;
+};
+
+&cpuapp_sram {
+	reg = <0x20000000 DT_SIZE_K(228)>;
+	ranges = <0x0 0x20000000 0x39000>;
+};

tests/drivers/mspi/trap_handler/boards/nrf54l15dk_nrf54l15_cpuflpr_memory.overlay

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+&sram_tx {
+	reg = <0x20039000 0x07f0>;
+};
+
+&sram_rx {
+	reg = <0x200397f0 0x07f0>;
+};
+
+&cpuflpr_error_code {
+	reg = <0x20039fe0 0x0020>; /* 32bytes */
+};
+
+&cpuflpr_rram {
+	reg = <0x177000 DT_SIZE_K(24)>;
+};
+
+&cpuflpr_code_partition {
+	reg = <0x0 DT_SIZE_K(24)>;
+};
+
+&cpuflpr_sram {
+	reg = <0x2003a000 DT_SIZE_K(24)>;
+	ranges = <0x0 0x2003a000 0x6000>;
+};

tests/drivers/mspi/trap_handler/prj.conf

@@ -0,0 +1,12 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+CONFIG_TEST=y
+CONFIG_ZTEST=y
+CONFIG_FLASH=y
+CONFIG_FLASH_PAGE_LAYOUT=y
+CONFIG_MAIN_STACK_SIZE=2048
+CONFIG_ZTEST_STACK_SIZE=4096

tests/drivers/mspi/trap_handler/src/main.c

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <zephyr/device.h>
+#include <zephyr/drivers/mspi.h>
+#include <zephyr/drivers/mspi_emul.h>
+#include <zephyr/ztest.h>
+
+#define MSPI_BUS_NODE DT_NODELABEL(sdp_mspi)
+
+static const struct device *mspi_devices[] = {
+	DT_FOREACH_CHILD_STATUS_OKAY_SEP(MSPI_BUS_NODE, DEVICE_DT_GET, (,))
+};
+
+static struct mspi_dev_cfg device_cfg[] = {
+	DT_FOREACH_CHILD_STATUS_OKAY_SEP(MSPI_BUS_NODE, MSPI_DEVICE_CONFIG_DT, (,))
+};
+
+ZTEST(hpf_trap_handler, test_trap_handler)
+{
+	int ret = 0;
+	const struct device *mspi_bus = DEVICE_DT_GET(MSPI_BUS_NODE);
+	const struct mspi_dev_id dev_id = {
+		.dev_idx = 0xFF,
+	};
+
+	zassert_true(device_is_ready(mspi_bus), "mspi_bus is not ready");
+	zassert_true(device_is_ready(mspi_devices[0]), "mspi_device is not ready");
+
+	/* Push wrong device id to trigger assert on flpr app side */
+	ret = mspi_dev_config(mspi_bus, &dev_id, MSPI_DEVICE_CONFIG_ALL, &device_cfg[0]);
+	zassert_equal(ret, -ETIMEDOUT, "Assert not triggered?");
+}
+
+ZTEST_SUITE(hpf_trap_handler, NULL, NULL, NULL, NULL, NULL);

tests/drivers/mspi/trap_handler/sysbuild.conf

@@ -0,0 +1,14 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+SB_CONFIG_VPR_LAUNCHER=n
+SB_CONFIG_PARTITION_MANAGER=n
+SB_CONFIG_SDP=y
+SB_CONFIG_SDP_MSPI=y
+
+# Enable SDP developer mode to disable CI errors.
+# It is related to rebuilding the asm part after enabling ASSERT.
+SB_CONFIG_SDP_DEVELOPER_MODE=y

tests/drivers/mspi/trap_handler/testcase.yaml

@@ -0,0 +1,23 @@
+common:
+  tags:
+    - ci_tests_drivers_sdp
+    - drivers
+    - mspi
+  sysbuild: true
+  harness: console
+  harness_config:
+    type: one_line
+    regex:
+      - ">>> SDP APP FATAL ERROR"
+
+tests:
+  drivers.mspi.hpf_trap_handler:
+    platform_allow:
+      - nrf54l15dk/nrf54l15/cpuapp
+    integration_platforms:
+      - nrf54l15dk/nrf54l15/cpuapp
+    extra_args:
+      - EXTRA_DTC_OVERLAY_FILE="./boards/nrf54l15dk_nrf54l15_cpuapp_memory.overlay"
+      - sdp_CONFIG_ASSERT=y
+      - sdp_CONFIG_ASSERT_TEST=y
+      - sdp_EXTRA_DTC_OVERLAY_FILE="${ZEPHYR_NRF_MODULE_DIR}/tests/drivers/mspi/trap_handler/boards/nrf54l15dk_nrf54l15_cpuflpr_memory.overlay"