/* * Copyright (c) 2006-2018, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2018-11-06 SummerGift first version * 2019-04-09 WillianChan add stm32f469-st-disco bsp * 2020-06-20 thread-liu add stm32mp157-dk1 bsp */ #include "board.h" /** * @brief System Clock Configuration * @retval None */ void SystemClock_Config(void) { RCC_OscInitTypeDef RCC_OscInitStruct = {0}; RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; /**Configure LSE Drive Capability */ HAL_PWR_EnableBkUpAccess(); __HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_MEDIUMHIGH); /**Initializes the CPU, AHB and APB busses clocks */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_LSI |RCC_OSCILLATORTYPE_HSE|RCC_OSCILLATORTYPE_LSE |RCC_OSCILLATORTYPE_CSI; RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS_DIG; RCC_OscInitStruct.LSEState = RCC_LSE_ON; RCC_OscInitStruct.HSIState = RCC_HSI_ON; RCC_OscInitStruct.HSICalibrationValue = 0x0; /* Default reset value */ RCC_OscInitStruct.HSIDivValue = RCC_HSI_DIV1; RCC_OscInitStruct.LSIState = RCC_LSI_ON; RCC_OscInitStruct.CSIState = RCC_CSI_ON; RCC_OscInitStruct.CSICalibrationValue = 0x10; /* Default reset value */ /**PLL1 Config */ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLSource = RCC_PLL12SOURCE_HSE; RCC_OscInitStruct.PLL.PLLM = 3; RCC_OscInitStruct.PLL.PLLN = 81; RCC_OscInitStruct.PLL.PLLP = 1; RCC_OscInitStruct.PLL.PLLQ = 1; RCC_OscInitStruct.PLL.PLLR = 1; RCC_OscInitStruct.PLL.PLLFRACV = 0x800; RCC_OscInitStruct.PLL.PLLMODE = RCC_PLL_FRACTIONAL; RCC_OscInitStruct.PLL.RPDFN_DIS = RCC_RPDFN_DIS_DISABLED; RCC_OscInitStruct.PLL.TPDFN_DIS = RCC_TPDFN_DIS_DISABLED; /**PLL2 Config */ RCC_OscInitStruct.PLL2.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL2.PLLSource = RCC_PLL12SOURCE_HSE; RCC_OscInitStruct.PLL2.PLLM = 3; RCC_OscInitStruct.PLL2.PLLN = 66; RCC_OscInitStruct.PLL2.PLLP = 2; RCC_OscInitStruct.PLL2.PLLQ = 1; RCC_OscInitStruct.PLL2.PLLR = 1; RCC_OscInitStruct.PLL2.PLLFRACV = 0x1400; RCC_OscInitStruct.PLL2.PLLMODE = RCC_PLL_FRACTIONAL; RCC_OscInitStruct.PLL2.RPDFN_DIS = RCC_RPDFN_DIS_DISABLED; RCC_OscInitStruct.PLL2.TPDFN_DIS = RCC_TPDFN_DIS_DISABLED; /**PLL3 Config */ RCC_OscInitStruct.PLL3.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL3.PLLSource = RCC_PLL3SOURCE_HSE; RCC_OscInitStruct.PLL3.PLLM = 2; RCC_OscInitStruct.PLL3.PLLN = 34; RCC_OscInitStruct.PLL3.PLLP = 2; RCC_OscInitStruct.PLL3.PLLQ = 17; RCC_OscInitStruct.PLL3.PLLR = 37; RCC_OscInitStruct.PLL3.PLLRGE = RCC_PLL3IFRANGE_1; RCC_OscInitStruct.PLL3.PLLFRACV = 0x1A04; RCC_OscInitStruct.PLL3.PLLMODE = RCC_PLL_FRACTIONAL; RCC_OscInitStruct.PLL3.RPDFN_DIS = RCC_RPDFN_DIS_DISABLED; RCC_OscInitStruct.PLL3.TPDFN_DIS = RCC_TPDFN_DIS_DISABLED; /**PLL4 Config */ RCC_OscInitStruct.PLL4.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL4.PLLSource = RCC_PLL4SOURCE_HSE; RCC_OscInitStruct.PLL4.PLLM = 4; RCC_OscInitStruct.PLL4.PLLN = 99; RCC_OscInitStruct.PLL4.PLLP = 6; RCC_OscInitStruct.PLL4.PLLQ = 8; RCC_OscInitStruct.PLL4.PLLR = 8; RCC_OscInitStruct.PLL4.PLLRGE = RCC_PLL4IFRANGE_0; RCC_OscInitStruct.PLL4.PLLFRACV = 0; RCC_OscInitStruct.PLL4.PLLMODE = RCC_PLL_INTEGER; RCC_OscInitStruct.PLL4.RPDFN_DIS = RCC_RPDFN_DIS_DISABLED; RCC_OscInitStruct.PLL4.TPDFN_DIS = RCC_TPDFN_DIS_DISABLED; if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { Error_Handler(); } /**RCC Clock Config */ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_ACLK |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2 |RCC_CLOCKTYPE_PCLK3|RCC_CLOCKTYPE_PCLK4 |RCC_CLOCKTYPE_PCLK5|RCC_CLOCKTYPE_MPU; RCC_ClkInitStruct.MPUInit.MPU_Clock = RCC_MPUSOURCE_PLL1; RCC_ClkInitStruct.MPUInit.MPU_Div = RCC_MPU_DIV2; RCC_ClkInitStruct.AXISSInit.AXI_Clock = RCC_AXISSOURCE_PLL2; RCC_ClkInitStruct.AXISSInit.AXI_Div = RCC_AXI_DIV1; RCC_ClkInitStruct.MCUInit.MCU_Clock = RCC_MCUSSOURCE_PLL3; RCC_ClkInitStruct.MCUInit.MCU_Div = RCC_MCU_DIV1; RCC_ClkInitStruct.APB4_Div = RCC_APB4_DIV2; RCC_ClkInitStruct.APB5_Div = RCC_APB5_DIV4; RCC_ClkInitStruct.APB1_Div = RCC_APB1_DIV2; RCC_ClkInitStruct.APB2_Div = RCC_APB2_DIV2; RCC_ClkInitStruct.APB3_Div = RCC_APB3_DIV2; if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct) != HAL_OK) { Error_Handler(); } /**Set the HSE division factor for RTC clock */ __HAL_RCC_RTC_HSEDIV(24); } /** * @brief Peripherals Common Clock Configuration * @retval None */ void PeriphCommonClock_Config(void) { RCC_PeriphCLKInitTypeDef PeriphClkInit = {0}; /** Initializes the common periph clock */ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_CKPER; PeriphClkInit.CkperClockSelection = RCC_CKPERCLKSOURCE_HSE; if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) { Error_Handler(); } } extern void rt_hw_systick_init(void); extern int rt_hw_usart_init(void); void rt_hw_board_init() { /* HAL_Init() function is called at the beginning of the program */ HAL_Init(); /* enable interrupt */ __set_PRIMASK(0); /* Configure the system clock */ if (IS_ENGINEERING_BOOT_MODE()) { /* Configure the system clock */ SystemClock_Config(); } /* disable interrupt */ __set_PRIMASK(1); rt_hw_systick_init(); /* Heap initialization */ #if defined(RT_USING_HEAP) rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END); #endif /* Pin driver initialization is open by default */ #ifdef RT_USING_PIN rt_hw_pin_init(); #endif /* USART driver initialization is open by default */ #ifdef RT_USING_SERIAL rt_hw_usart_init(); #endif /* Set the shell console output device */ #ifdef RT_USING_CONSOLE rt_console_set_device(RT_CONSOLE_DEVICE_NAME); #endif /* Board underlying hardware initialization */ #ifdef RT_USING_COMPONENTS_INIT rt_components_board_init(); #endif }