268 lines
8.3 KiB
C
268 lines
8.3 KiB
C
#include "hardware_init.h"
|
|
|
|
#include <stm32h743xx.h>
|
|
#include <stm32h7xx_hal_rcc_ex.h>
|
|
#include <stm32h7xx_nucleo.h>
|
|
|
|
#include <app_ethernet.h>
|
|
#include <common/stm32_nucleo/networking/ethernetif.h>
|
|
#include <lwip/netif.h>
|
|
#include <lwip/init.h>
|
|
#include <lwip/ip_addr.h>
|
|
#include <netif/ethernet.h>
|
|
|
|
#include <boardconfig.h>
|
|
#include <stdio.h>
|
|
|
|
/* Forward declarations */
|
|
void MPU_Config(void);
|
|
void SystemClock_Config(void);
|
|
void BSP_Config(void);
|
|
void CPU_CACHE_Enable(void);
|
|
void MX_USART3_UART_Init(uint32_t baudRate);
|
|
|
|
/**
|
|
* ST-LINK UART3
|
|
* CN5 pins on board
|
|
*/
|
|
UART_HandleTypeDef huart3;
|
|
GPIO_InitTypeDef gpio_uart_init_struct;
|
|
struct netif gnetif;
|
|
bool debugAvailable = false;
|
|
|
|
void performHardwareInit() {
|
|
/* Configure the MPU attributes as Device memory for ETH DMA descriptors */
|
|
MPU_Config();
|
|
|
|
/* Enable the CPU Cache */
|
|
CPU_CACHE_Enable();
|
|
|
|
MX_USART3_UART_Init(DEBUG_UART_BAUDRATE);
|
|
|
|
HAL_StatusTypeDef retval = HAL_Init();
|
|
if(retval != HAL_OK) {
|
|
printf("Error: HAL initialization failed!\n\r");
|
|
}
|
|
|
|
/* Configure the system clock to 400 MHz */
|
|
SystemClock_Config();
|
|
|
|
BSP_Config();
|
|
}
|
|
void MX_USART3_UART_Init(uint32_t baudRate)
|
|
{
|
|
__HAL_RCC_USART3_CONFIG(RCC_USART3CLKSOURCE_HSI);
|
|
__HAL_RCC_GPIOD_CLK_ENABLE();
|
|
__HAL_RCC_USART3_CLK_ENABLE();
|
|
/*Configure GPIO pins : PD8 PD9 */
|
|
gpio_uart_init_struct.Pin = GPIO_PIN_8|GPIO_PIN_9;
|
|
gpio_uart_init_struct.Mode = GPIO_MODE_AF_PP;
|
|
gpio_uart_init_struct.Pull = GPIO_NOPULL;
|
|
gpio_uart_init_struct.Speed = GPIO_SPEED_FREQ_LOW;
|
|
gpio_uart_init_struct.Alternate = GPIO_AF7_USART3;
|
|
HAL_GPIO_Init(GPIOD, &gpio_uart_init_struct);
|
|
|
|
int result;
|
|
huart3.Instance = USART3;
|
|
huart3.Init.BaudRate = baudRate;
|
|
huart3.Init.WordLength = UART_WORDLENGTH_8B;
|
|
huart3.Init.StopBits = UART_STOPBITS_1;
|
|
huart3.Init.Parity = UART_PARITY_NONE;
|
|
huart3.Init.Mode = UART_MODE_TX_RX;
|
|
huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
|
|
huart3.Init.OverSampling = UART_OVERSAMPLING_16;
|
|
huart3.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
|
|
huart3.Init.ClockPrescaler = UART_PRESCALER_DIV1;
|
|
//huart3.Init.FIFOMode = UART_FIFOMODE_DISABLE;
|
|
//huart3.Init.TXFIFOThreshold = UART_TXFIFO_THRESHOLD_1_8;
|
|
//huart3.Init.RXFIFOThreshold = UART_RXFIFO_THRESHOLD_1_8;
|
|
huart3.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
|
|
// we can't do error handling (simple print out first) here because UART3 is our print interface
|
|
result = HAL_UART_Init(&huart3);
|
|
if(result == HAL_OK) {
|
|
//print_uart3("\rUART3 configured successfully !\r\n\0");
|
|
debugAvailable = true;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief System Clock Configuration
|
|
* The system Clock is configured as follow :
|
|
* System Clock source = PLL (HSE BYPASS)
|
|
* SYSCLK(Hz) = 400000000 (CPU Clock)
|
|
* HCLK(Hz) = 200000000 (AXI and AHBs Clock)
|
|
* AHB Prescaler = 2
|
|
* D1 APB3 Prescaler = 2 (APB3 Clock 100MHz)
|
|
* D2 APB1 Prescaler = 2 (APB1 Clock 100MHz)
|
|
* D2 APB2 Prescaler = 2 (APB2 Clock 100MHz)
|
|
* D3 APB4 Prescaler = 2 (APB4 Clock 100MHz)
|
|
* HSE Frequency(Hz) = 8000000
|
|
* PLL_M = 4
|
|
* PLL_N = 400
|
|
* PLL_P = 2
|
|
* PLL_Q = 4
|
|
* PLL_R = 2
|
|
* VDD(V) = 3.3
|
|
* Flash Latency(WS) = 4
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
void SystemClock_Config(void)
|
|
{
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct;
|
|
RCC_OscInitTypeDef RCC_OscInitStruct;
|
|
HAL_StatusTypeDef ret = HAL_OK;
|
|
|
|
/*!< Supply configuration update enable */
|
|
MODIFY_REG(PWR->CR3, PWR_CR3_SCUEN, 0); // @suppress("Field cannot be resolved")
|
|
|
|
/* The voltage scaling allows optimizing the power consumption when the device is
|
|
clocked below the maximum system frequency, to update the voltage scaling value
|
|
regarding system frequency refer to product datasheet. */
|
|
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1); // @suppress("Field cannot be resolved")
|
|
|
|
while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {} // @suppress("Field cannot be resolved")
|
|
|
|
/* Enable D2 domain SRAM3 Clock (0x30040000 AXI)*/
|
|
__HAL_RCC_D2SRAM3_CLK_ENABLE(); // @suppress("Field cannot be resolved")
|
|
|
|
/* Enable HSE Oscillator and activate PLL with HSE as source */
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
|
|
RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
|
|
RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
|
|
RCC_OscInitStruct.CSIState = RCC_CSI_OFF;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
|
|
|
|
RCC_OscInitStruct.PLL.PLLM = 4;
|
|
RCC_OscInitStruct.PLL.PLLN = 400;
|
|
RCC_OscInitStruct.PLL.PLLP = 2;
|
|
RCC_OscInitStruct.PLL.PLLR = 2;
|
|
RCC_OscInitStruct.PLL.PLLQ = 4;
|
|
|
|
RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
|
|
RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
|
|
ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
|
|
if(ret != HAL_OK)
|
|
{
|
|
while(1);
|
|
}
|
|
|
|
/* Select PLL as system clock source and configure bus clocks dividers */
|
|
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK |
|
|
RCC_CLOCKTYPE_D1PCLK1 | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2 |
|
|
RCC_CLOCKTYPE_D3PCLK1);
|
|
|
|
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;
|
|
ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4);
|
|
if(ret != HAL_OK)
|
|
{
|
|
while(1);
|
|
}
|
|
}
|
|
|
|
/*Configure the MPU attributes */
|
|
void MPU_Config(void)
|
|
{
|
|
MPU_Region_InitTypeDef MPU_InitStruct;
|
|
|
|
/* Disable the MPU */
|
|
HAL_MPU_Disable();
|
|
|
|
/* Configure the MPU attributes as Device not cacheable
|
|
for ETH DMA descriptors */
|
|
MPU_InitStruct.Enable = MPU_REGION_ENABLE;
|
|
MPU_InitStruct.BaseAddress = 0x30040000;
|
|
MPU_InitStruct.Size = MPU_REGION_SIZE_256B;
|
|
MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
|
|
MPU_InitStruct.IsBufferable = MPU_ACCESS_BUFFERABLE;
|
|
MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
|
|
MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
|
|
MPU_InitStruct.Number = MPU_REGION_NUMBER0;
|
|
MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
|
|
MPU_InitStruct.SubRegionDisable = 0x00;
|
|
MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
|
|
|
|
HAL_MPU_ConfigRegion(&MPU_InitStruct);
|
|
|
|
/* Configure the MPU attributes as Cacheable write through
|
|
for LwIP RAM heap which contains the Tx buffers */
|
|
MPU_InitStruct.Enable = MPU_REGION_ENABLE;
|
|
MPU_InitStruct.BaseAddress = 0x30044000;
|
|
MPU_InitStruct.Size = MPU_REGION_SIZE_16KB;
|
|
MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
|
|
MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;
|
|
MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;
|
|
MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
|
|
MPU_InitStruct.Number = MPU_REGION_NUMBER1;
|
|
MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
|
|
MPU_InitStruct.SubRegionDisable = 0x00;
|
|
MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
|
|
|
|
HAL_MPU_ConfigRegion(&MPU_InitStruct);
|
|
|
|
/* Enable the MPU */
|
|
HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);
|
|
}
|
|
|
|
/*CPU L1-Cache enable*/
|
|
void CPU_CACHE_Enable(void)
|
|
{
|
|
/* Enable I-Cache */
|
|
SCB_EnableICache();
|
|
|
|
/* Enable D-Cache */
|
|
SCB_EnableDCache();
|
|
}
|
|
|
|
void BSP_Config(void)
|
|
{
|
|
BSP_LED_Init(LED1);
|
|
BSP_LED_Init(LED2);
|
|
BSP_LED_Init(LED3);
|
|
}
|
|
|
|
|
|
void Netif_Config(void)
|
|
{
|
|
ip_addr_t ipaddr;
|
|
ip_addr_t netmask;
|
|
ip_addr_t gw;
|
|
#if LWIP_DHCP
|
|
ip_addr_set_zero_ip4(&ipaddr);
|
|
ip_addr_set_zero_ip4(&netmask);
|
|
ip_addr_set_zero_ip4(&gw);
|
|
#else
|
|
|
|
/* IP address default setting */
|
|
set_lwip_addresses(&ipaddr, &netmask, &gw);
|
|
|
|
#endif
|
|
|
|
/* add the network interface */
|
|
struct netif* netif_valid = netif_add(&gnetif, (ip4_addr_t*)&ipaddr,
|
|
(ip4_addr_t*)&netmask, (ip4_addr_t*) &gw, NULL, ðernetif_init,
|
|
ðernet_input);
|
|
if(netif_valid == NULL) {
|
|
printf("Error: netif initialization failed!\n\r");
|
|
return;
|
|
}
|
|
/* Registers the default network interface */
|
|
netif_set_default(&gnetif);
|
|
|
|
ethernet_link_status_updated(&gnetif);
|
|
|
|
#if LWIP_NETIF_LINK_CALLBACK
|
|
netif_set_link_callback(&gnetif, ethernet_link_status_updated);
|
|
#endif
|
|
}
|
|
|
|
|