feat(usb_host): Move DMA capable memory to external ram on P4

- DWC-OTG internal DMA can access psram on esp32p4
    - Move DMA memory buffs to psram, to save internal ram
    - HCD tests and MSC example runs in CI with psram enabled

components/usb/test_apps/hcd/README.md

@@ -3,8 +3,9 @@
 
 # USB: Host test application
 
-There are two sets of tests in this application:
+There are three sets of tests in this application:
 1. Low-speed: Expects low-speed USB mouse with interrupt endpoint to be connected
 2. Full-speed: Expects full-speed USB flash disk with 2 bulk endpoints to be connected
+3. High-speed: Expects high-speed USB flash disk with 2 bulk endpoints to be connected
 
-For running these tests locally, you will have to update device definitions (VID, PID, ...) in [test_usb_mock_classes.h](../common/test_usb_mock_classes.h).
+For running these tests locally, you will have to update device definitions (VID, PID, ...) in [dev_msc.c](../common/dev_msc.c), [dev_hid.c](../common/dev_hid.c) and  [dev_isoc.c](../common/dev_isoc.c).

components/usb/test_apps/hcd/main/test_hcd_common.c

@@ -22,6 +22,10 @@
 #include "mock_msc.h"
 #include "unity.h"
 
+// ----------------------------------------------------- Macros --------------------------------------------------------
+
+// --------------------- Constants -------------------------
+
 #define PORT_NUM                1
 #define EVENT_QUEUE_LEN         5
 #define ENUM_ADDR               1   // Device address to use for tests that enumerate the device
@@ -279,9 +283,15 @@ void test_hcd_pipe_free(hcd_pipe_handle_t pipe_hdl)
 }
 
 #include "esp_private/esp_cache_private.h"
-#define DATA_BUFFER_CAPS        (MALLOC_CAP_DMA | MALLOC_CAP_CACHE_ALIGNED)
+
 #define ALIGN_UP(num, align)    ((align) == 0 ? (num) : (((num) + ((align) - 1)) & ~((align) - 1)))
 
+#ifdef CONFIG_USB_HOST_DWC_DMA_CAP_MEMORY_IN_PSRAM      // In esp32p4, the USB-DWC internal DMA can access external RAM
+#define DATA_BUFFER_CAPS                     (MALLOC_CAP_DMA | MALLOC_CAP_CACHE_ALIGNED | MALLOC_CAP_SPIRAM)
+#else
+#define DATA_BUFFER_CAPS                     (MALLOC_CAP_DMA | MALLOC_CAP_CACHE_ALIGNED | MALLOC_CAP_INTERNAL)
+#endif
+
 urb_t *test_hcd_alloc_urb(int num_isoc_packets, size_t data_buffer_size)
 {
     // Allocate a URB and data buffer

components/usb/test_apps/hcd/pytest_usb_hcd.py

@@ -1,16 +1,20 @@
-# SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
+# SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
 # SPDX-License-Identifier: CC0-1.0
 import pytest
 from pytest_embedded import Dut
 
 
-@pytest.mark.esp32s2
-@pytest.mark.esp32s3
-@pytest.mark.esp32p4
-@pytest.mark.temp_skip_ci(targets=['esp32s2'], reason='lack of runners with usb_host_flash_disk tag')
+CONFIGS = [
+    pytest.param('default', marks=[pytest.mark.esp32s2, pytest.mark.esp32s3, pytest.mark.esp32p4]),
+    pytest.param('esp32p4_psram', marks=[pytest.mark.esp32p4])
+]
+
+
 @pytest.mark.usb_host_flash_disk
+@pytest.mark.temp_skip_ci(targets=['esp32s2'], reason='lack of runners with usb_host_flash_disk tag')
+@pytest.mark.parametrize('config', CONFIGS, indirect=True)
 def test_usb_hcd(dut: Dut) -> None:
-    if (dut.target == 'esp32s3'):
-        dut.run_all_single_board_cases(group='full_speed')
+    if dut.target == 'esp32p4':
+        dut.run_all_single_board_cases(group='high_speed', reset=True)
     else:
-        dut.run_all_single_board_cases(group='high_speed')
+        dut.run_all_single_board_cases(group='full_speed', reset=True)

components/usb/test_apps/hcd/sdkconfig.ci.esp32p4_psram

@@ -0,0 +1,12 @@
+CONFIG_IDF_TARGET="esp32p4"
+
+# Enable experimental features, to set PSRAM frequency to 200 MHz
+CONFIG_IDF_EXPERIMENTAL_FEATURES=y
+
+# Enable PSRAM and set PSRAM frequency
+CONFIG_SPIRAM=y
+CONFIG_SPIRAM_SPEED_200M=y
+# CONFIG_SPIRAM_MEMTEST is not set
+
+# Allocate USB_DWC DMA capable memory in PSRAM
+CONFIG_USB_HOST_DWC_DMA_CAP_MEMORY_IN_PSRAM=y

components/usb/test_apps/usb_host/README.md

@@ -3,9 +3,10 @@
 
 # USB: Host test application
 
-There are two sets of tests in this application:
+There are three sets of tests in this application:
 1. Low-speed: Expects low-speed USB mouse with interrupt endpoint to be connected
 2. Full-speed: Expects full-speed USB flash disk with 2 bulk endpoints to be connected
+3. High-speed: Expects high-speed USB flash disk with 2 bulk endpoints to be connected
 
-For running these tests locally, you will have to update device definitions (VID, PID, ...) in [mock_msc.h](../common/mock_msc.h) and [mock_hid.h](../common/mock_hid.h).
+For running these tests locally, you will have to update device definitions (VID, PID, ...) in [dev_msc.c](../common/dev_msc.c) and [dev_hid.c](../common/dev_hid.c).
 

components/usb/test_apps/usb_host/pytest_usb_host.py

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
+# SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
 # SPDX-License-Identifier: CC0-1.0
 import pytest
 from pytest_embedded import Dut
@@ -10,7 +10,7 @@ from pytest_embedded import Dut
 @pytest.mark.temp_skip_ci(targets=['esp32s2'], reason='lack of runners with usb_host_flash_disk tag')
 @pytest.mark.usb_host_flash_disk
 def test_usb_host(dut: Dut) -> None:
-    if (dut.target == 'esp32s3'):
-        dut.run_all_single_board_cases(group='full_speed')
+    if dut.target == 'esp32p4':
+        dut.run_all_single_board_cases(group='high_speed', reset=True)
     else:
-        dut.run_all_single_board_cases(group='high_speed')
+        dut.run_all_single_board_cases(group='full_speed', reset=True)