rt-thread/bsp/stm32/stm32h750-weact-ministm32h7xx/board/board.c

/*
 * Copyright (c) 2006-2020, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2020-8-6       NU-LL        first version
 */

#include "board.h"

#define AXI_SRAM_ADDR (0X24000000)
#define AXI_SRAM_SIZE (512*1024)
#define SRAM1_ADDR (0X30000000)
#define SRAM1_SIZE (128*1024)
#define SRAM2_ADDR (0X30020000)
#define SRAM2_SIZE (128*1024)
#define SRAM3_ADDR (0X30040000)
#define SRAM3_SIZE (32*1024)
#define SRAM4_ADDR (0X38000000)
#define SRAM4_SIZE (64*1024)
#define BACKUP_ADDR (0X38800000)
#define BACKUP_SIZE (4*1024)

static struct rt_memheap _heap_axi_sram;
static struct rt_memheap _heap_sram1;
static struct rt_memheap _heap_sram2;
static struct rt_memheap _heap_sram3;
static struct rt_memheap _heap_sram4;
static struct rt_memheap _heap_backup_sram;

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};

  /** Supply configuration update enable
  */
  HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
  /** Configure the main internal regulator output voltage
  */
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);

  while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
  /** Configure LSE Drive Capability
  */
  HAL_PWR_EnableBkUpAccess();
  __HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE|RCC_OSCILLATORTYPE_LSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.LSEState = RCC_LSE_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 5;
  RCC_OscInitStruct.PLL.PLLN = 192;
  RCC_OscInitStruct.PLL.PLLP = 2;
  RCC_OscInitStruct.PLL.PLLQ = 2;
  RCC_OscInitStruct.PLL.PLLR = 2;
  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
  RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
  RCC_OscInitStruct.PLL.PLLFRACN = 0;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
                              |RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
  RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC|RCC_PERIPHCLK_UART4
                              |RCC_PERIPHCLK_USART1;
  PeriphClkInitStruct.Usart234578ClockSelection = RCC_USART234578CLKSOURCE_D2PCLK1;
  PeriphClkInitStruct.Usart16ClockSelection = RCC_USART16CLKSOURCE_D2PCLK2;
  PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
}

static int init_sram(void)
{
    __HAL_RCC_D2SRAM1_CLK_ENABLE();
    __HAL_RCC_D2SRAM2_CLK_ENABLE();
    __HAL_RCC_D2SRAM3_CLK_ENABLE();
    rt_memheap_init(&_heap_axi_sram, "axi_sram", (void *)AXI_SRAM_ADDR, AXI_SRAM_SIZE);
    rt_memheap_init(&_heap_sram1, "sram1", (void *)SRAM1_ADDR, SRAM1_SIZE);
    rt_memheap_init(&_heap_sram2, "sram2", (void *)SRAM2_ADDR, SRAM2_SIZE);
    rt_memheap_init(&_heap_sram3, "sram3", (void *)SRAM3_ADDR, SRAM3_SIZE);
    rt_memheap_init(&_heap_sram4, "sram4", (void *)SRAM4_ADDR, SRAM4_SIZE);
    rt_memheap_init(&_heap_backup_sram, "bak_sram", (void *)BACKUP_ADDR, BACKUP_SIZE);

    return 0;
}
INIT_BOARD_EXPORT(init_sram);

/**
 * Function    ota_app_vtor_reconfig
 * Description Set Vector Table base location to the start addr of app(RT_APP_PART_ADDR).
*/
static int ota_app_vtor_reconfig(void)
{
    #define RT_APP_PART_ADDR 0x08020000
    #define NVIC_VTOR_MASK   0x3FFFFF80
    /* Set the Vector Table base location by user application firmware definition */
    SCB->VTOR = RT_APP_PART_ADDR & NVIC_VTOR_MASK;

    return 0;
}
// INIT_BOARD_EXPORT(ota_app_vtor_reconfig);