usb on u5a5 hs work well with correct VBVALEXTOEN/VBVALOVAL set

hw/bsp/family_support.cmake

@@ -217,7 +217,7 @@ function(family_configure_common TARGET RTOS)
       if (NOT TARGET segger_rtt)
         add_library(segger_rtt STATIC ${TOP}/lib/SEGGER_RTT/RTT/SEGGER_RTT.c)
         target_include_directories(segger_rtt PUBLIC ${TOP}/lib/SEGGER_RTT/RTT)
-        target_compile_definitions(segger_rtt PUBLIC SEGGER_RTT_MODE_DEFAULT=SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL)
+        #target_compile_definitions(segger_rtt PUBLIC SEGGER_RTT_MODE_DEFAULT=SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL)
       endif()
       target_link_libraries(${TARGET} PUBLIC segger_rtt)
     endif ()

hw/bsp/stm32u5/boards/stm32u5a5nucleo/board.cmake

@@ -6,5 +6,6 @@ set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/STM32U5A5ZJTXQ_FLASH.ld)
 function(update_board TARGET)
   target_compile_definitions(${TARGET} PUBLIC
     STM32U5A5xx
+    HSE_VALUE=16000000UL
     )
 endfunction()

hw/bsp/stm32u5/boards/stm32u5a5nucleo/board.h

@@ -38,8 +38,8 @@ extern "C"
 #define LED_STATE_ON 1
 
 // BUTTON
-#define BUTTON_PORT GPIOA
-#define BUTTON_PIN GPIO_PIN_0
+#define BUTTON_PORT GPIOC
+#define BUTTON_PIN GPIO_PIN_13
 #define BUTTON_STATE_ACTIVE 1
 
 // UART Enable for STLink VCOM
@@ -101,6 +101,8 @@ static void SystemClock_Config(void) {
   HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4);
 
   // USB Clock
+  __HAL_RCC_SYSCFG_CLK_ENABLE();
+
   RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
   PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USBPHY;
   PeriphClkInit.UsbPhyClockSelection = RCC_USBPHYCLKSOURCE_HSE;

hw/bsp/stm32u5/boards/stm32u5a5nucleo/board.mk

@@ -1,5 +1,6 @@
 CFLAGS += \
   -DSTM32U5A5xx \
+  -DHSE_VALUE=16000000UL \
 
 # All source paths should be relative to the top level.
 LD_FILE = ${BOARD_PATH}/STM32U5A5ZJTXQ_FLASH.ld

hw/bsp/stm32u5/family.c

@@ -124,7 +124,7 @@ void board_init(void) {
 
   HAL_UART_Init(&UartHandle);
 
-  /* Configure USB FS GPIOs */
+  /* Configure USB GPIOs */
   /* Configure DM DP Pins */
   GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
@@ -153,6 +153,12 @@ void board_init(void) {
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
+  /* Enable USB power on Pwrctrl CR2 register */
+  HAL_PWREx_EnableVddUSB();
+
+  /* USB clock enable */
+  __HAL_RCC_USB_OTG_FS_CLK_ENABLE();
+
   // Enable VBUS sense (B device) via pin PA9
   USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBDEN;
   #else
@@ -164,11 +170,6 @@ void board_init(void) {
   USB_OTG_FS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL;
   #endif // vbus sense
 
-  /* Enable USB power on Pwrctrl CR2 register */
-  HAL_PWREx_EnableVddUSB();
-
-  /* USB clock enable */
-  __HAL_RCC_USB_OTG_FS_CLK_ENABLE();
 #else
   // STM59x/Ax/Fx/Gx only have 1 USB HS port
 
@@ -177,15 +178,7 @@ void board_init(void) {
   NVIC_SetPriority(OTG_HS_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
   #endif
 
-  // Disable VBUS sense (B device)
-  USB_OTG_HS->GCCFG &= ~USB_OTG_GCCFG_VBDEN;
-
-  // B-peripheral session valid override enable
-  USB_OTG_HS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOEN;
-  USB_OTG_HS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL;
-
   /* USB clock enable */
-  __HAL_RCC_SYSCFG_CLK_ENABLE();
   __HAL_RCC_USB_OTG_HS_CLK_ENABLE();
   __HAL_RCC_USBPHYC_CLK_ENABLE();
 
@@ -195,6 +188,13 @@ void board_init(void) {
 
   /*Configuring the SYSCFG registers OTG_HS PHY*/
   HAL_SYSCFG_EnableOTGPHY(SYSCFG_OTG_HS_PHY_ENABLE);
+
+  // Disable VBUS sense (B device)
+  USB_OTG_HS->GCCFG &= ~USB_OTG_GCCFG_VBDEN;
+
+  // B-peripheral session valid override enable
+  USB_OTG_HS->GCCFG |= USB_OTG_GCCFG_VBVALEXTOEN;
+  USB_OTG_HS->GCCFG |= USB_OTG_GCCFG_VBVALOVAL;
 #endif // USB_OTG_FS