change(esp_hw_support): add case to test PSRAM survives after lightsleep

components/esp_system/test_apps/.build-test-rules.yml

@@ -7,6 +7,7 @@ components/esp_system/test_apps/console:
 components/esp_system/test_apps/esp_system_unity_tests:
   disable:
     - if: IDF_TARGET == "esp32c5" or (CONFIG_NAME == "psram" and SOC_SPIRAM_SUPPORTED != 1)
+    - if: IDF_TARGET == "esp32c5" or (CONFIG_NAME == "psram_with_pd_top" and (SOC_SPIRAM_SUPPORTED != 1 or SOC_PM_SUPPORT_TOP_PD != 1))
 
 components/esp_system/test_apps/linux_apis:
   enable:

components/esp_system/test_apps/esp_system_unity_tests/main/CMakeLists.txt

@@ -16,7 +16,7 @@ set(SRC  "test_app_main.c"
          "test_system_time.c"
          "test_task_wdt.c")
 
-if(CONFIG_SOC_LIGHT_SLEEP_SUPPORTED || CONFIG_SOC_DEEP_SLEEP_SUPPORTED)
+if(CONFIG_SOC_LIGHT_SLEEP_SUPPORTED OR CONFIG_SOC_DEEP_SLEEP_SUPPORTED)
     list(APPEND SRC "test_sleep.c")
 endif()
 

components/esp_system/test_apps/esp_system_unity_tests/main/test_sleep.c

@@ -8,6 +8,7 @@
 #include <sys/time.h>
 #include <sys/param.h>
 #include "esp_sleep.h"
+#include "esp_private/esp_sleep_internal.h"
 #include "driver/rtc_io.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
@@ -31,6 +32,14 @@
 #include "nvs_flash.h"
 #include "nvs.h"
 
+#if CONFIG_SPIRAM
+#include "esp_private/esp_psram_extram.h"
+#endif
+
+#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP
+#include "esp_private/sleep_cpu.h"
+#endif
+
 #if SOC_PMU_SUPPORTED
 #include "esp_private/esp_pmu.h"
 #else
@@ -46,7 +55,6 @@ __attribute__((unused)) static struct timeval tv_start, tv_stop;
 TEST_CASE("wake up from light sleep using timer", "[lightsleep]")
 {
     esp_sleep_enable_timer_wakeup(2000000);
-    struct timeval tv_start, tv_stop;
     gettimeofday(&tv_start, NULL);
     esp_light_sleep_start();
     gettimeofday(&tv_stop, NULL);
@@ -292,6 +300,43 @@ TEST_CASE("disable source trigger behavior", "[lightsleep]")
 }
 #endif // !TEMPORARY_DISABLED_FOR_TARGETS(ESP32S2, ESP32S3)
 #endif //SOC_RTCIO_INPUT_OUTPUT_SUPPORTED
+
+#if CONFIG_SPIRAM
+static void test_psram_accessible_after_lightsleep(void)
+{
+    esp_sleep_context_t sleep_ctx;
+    esp_sleep_set_sleep_context(&sleep_ctx);
+
+#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP
+    TEST_ESP_OK(sleep_cpu_configure(true));
+#endif
+
+    esp_sleep_enable_timer_wakeup(100 * 1000);
+    esp_light_sleep_start();
+    TEST_ASSERT_EQUAL(0, sleep_ctx.sleep_request_result);
+
+#if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP
+    TEST_ASSERT_EQUAL(PMU_SLEEP_PD_TOP, sleep_ctx.sleep_flags & PMU_SLEEP_PD_TOP);
+    TEST_ESP_OK(sleep_cpu_configure(false));
+#endif
+
+    TEST_ASSERT_EQUAL(true, esp_psram_extram_test());
+
+    esp_sleep_set_sleep_context(NULL);
+    esp_restart();
+}
+
+static void restart_for_reinit_psram(void)
+{
+    TEST_ASSERT_EQUAL(ESP_RST_SW, esp_reset_reason());
+    printf("PSRAM survives after lightsleep test - OK\n");
+}
+
+TEST_CASE_MULTIPLE_STAGES("Test PSRAM survives after lightsleep", "[lightsleep]",
+                          test_psram_accessible_after_lightsleep,
+                          restart_for_reinit_psram);
+#endif
+
 #endif // SOC_LIGHT_SLEEP_SUPPORTED
 
 /////////////////////////// Deep Sleep Test Cases ////////////////////////////////////

components/esp_system/test_apps/esp_system_unity_tests/pytest_esp_system_unity_tests.py

@@ -11,6 +11,7 @@ from pytest_embedded import Dut
         pytest.param('default', marks=[pytest.mark.supported_targets]),
         pytest.param('pd_vddsdio', marks=[pytest.mark.supported_targets]),
         pytest.param('psram', marks=[pytest.mark.esp32, pytest.mark.esp32s2, pytest.mark.esp32s3, pytest.mark.esp32p4]),
+        pytest.param('psram_with_pd_top', marks=[pytest.mark.esp32p4]),
         pytest.param('single_core_esp32', marks=[pytest.mark.esp32]),
     ]
 )

components/esp_system/test_apps/esp_system_unity_tests/sdkconfig.ci.default

@@ -1,5 +1,4 @@
 # Default configuration
 # Used for testing stack smashing protection
 CONFIG_COMPILER_STACK_CHECK=y
-CONFIG_ESP_SLEEP_DEBUG=y
 CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP=y

components/esp_system/test_apps/esp_system_unity_tests/sdkconfig.ci.psram_with_pd_top

@@ -0,0 +1,4 @@
+CONFIG_SPIRAM=y
+CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY=y
+CONFIG_PM_POWER_DOWN_CPU_IN_LIGHT_SLEEP=y
+CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP=y

components/esp_system/test_apps/esp_system_unity_tests/sdkconfig.defaults

@@ -4,3 +4,4 @@ CONFIG_ESP_TASK_WDT_INIT=n
 # esp_sleep_enable_gpio_switch() has the change to break UART RX during light sleep stress tests
 # Remove this when IDF-4897 is fixed
 CONFIG_ESP_SLEEP_GPIO_RESET_WORKAROUND=n
+CONFIG_ESP_SLEEP_DEBUG=y