diff options
| -rw-r--r-- | hw/bsp/stm32g4/boards/stm32g474nucleo/board.h | 16 | ||||
| -rw-r--r-- | hw/bsp/stm32g4/family.c | 14 |
2 files changed, 17 insertions, 13 deletions
diff --git a/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h b/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h index fd9d50183..e4088023d 100644 --- a/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h +++ b/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h @@ -61,18 +61,19 @@ static inline void board_clock_init(void) { RCC_OscInitTypeDef RCC_OscInitStruct = {0}; RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; + RCC_PeriphCLKInitTypeDef PeriphClkInit = {0}; // Configure the main internal regulator output voltage HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1_BOOST); // Initializes the CPU, AHB and APB busses clocks - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; - RCC_OscInitStruct.HSIState = RCC_HSI_ON; - RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48|RCC_OSCILLATORTYPE_HSE; + RCC_OscInitStruct.HSEState = RCC_HSE_ON; + RCC_OscInitStruct.HSI48State = RCC_HSI48_ON; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; - RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; + RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV4; - RCC_OscInitStruct.PLL.PLLN = 85; + RCC_OscInitStruct.PLL.PLLN = 50; RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2; RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2; @@ -84,9 +85,12 @@ static inline void board_clock_init(void) RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; - HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_8); + PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB; + PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL; + HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) ; + #if 0 // TODO need to check if USB clock is enabled /* Enable HSI48 */ memset(&RCC_OscInitStruct, 0, sizeof(RCC_OscInitStruct)); diff --git a/hw/bsp/stm32g4/family.c b/hw/bsp/stm32g4/family.c index 318f50746..461dc61a1 100644 --- a/hw/bsp/stm32g4/family.c +++ b/hw/bsp/stm32g4/family.c @@ -118,13 +118,13 @@ void board_init(void) // USB Pins TODO double check USB clock and pin setup // Configure USB DM and DP pins. This is optional, and maintained only for user guidance. -// GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12); -// GPIO_InitStruct.Mode = GPIO_MODE_INPUT; -// GPIO_InitStruct.Pull = GPIO_NOPULL; -// GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; -// HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); -// -// __HAL_RCC_USB_CLK_ENABLE(); + GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12); + GPIO_InitStruct.Mode = GPIO_MODE_INPUT; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + __HAL_RCC_USB_CLK_ENABLE(); board_vbus_sense_init(); } |