rt-thread-official/bsp/stm32/stm32mp157a-st-ev1/board/board.c

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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
* 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"
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void PeriphCommonClock_Config(void);
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/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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/**Configure LSE Drive Capability
*/
HAL_PWR_EnableBkUpAccess();
__HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_MEDIUMHIGH);
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/**Initializes the CPU, AHB and APB busses clocks
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*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_HSE
|RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS_DIG;
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = 16;
RCC_OscInitStruct.HSIDivValue = RCC_HSI_DIV1;
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/**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;
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/**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;
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/**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;
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/**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;
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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;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct) != HAL_OK)
{
Error_Handler();
}
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/**Set the HSE division factor for RTC clock
*/
__HAL_RCC_RTC_HSEDIV(24);
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/* Configure the peripherals common clocks */
if(IS_ENGINEERING_BOOT_MODE())
{
PeriphCommonClock_Config();
}
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}
/**
* @brief Peripherals Common Clock Configuration
* @retval None
*/
void PeriphCommonClock_Config(void) {
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
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/** 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);
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void rt_hw_board_init()
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{
/* HAL_Init() function is called at the beginning of the program */
HAL_Init();
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/* 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);
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rt_hw_systick_init();
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/* Heap initialization */
#if defined(RT_USING_HEAP)
rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
#endif
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/* Pin driver initialization is open by default */
#ifdef RT_USING_PIN
rt_hw_pin_init();
#endif
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/* USART driver initialization is open by default */
#ifdef RT_USING_SERIAL
rt_hw_usart_init();
#endif
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/* Set the shell console output device */
#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
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rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif
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/* Board underlying hardware initialization */
#ifdef RT_USING_COMPONENTS_INIT
rt_components_board_init();
#endif
}