/* * Copyright (c) 2006-2019, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2022-12-08 WangShun the first version */ #include #include #include #include "udma_uart_driver.h" #include "hal_udma_ctrl_reg_defs.h" #include "hal_udma_uart_reg_defs.h" #include "core-v-mcu-config.h" #include "drv_usart.h" #include "string.h" extern void rt_systick_config(void); #if defined(RT_USING_USER_MAIN) && defined(RT_USING_HEAP) #define RT_HEAP_SIZE (64*1024) static rt_uint8_t rt_heap[RT_HEAP_SIZE]; void *rt_heap_begin_get(void) { return rt_heap; } void *rt_heap_end_get(void) { return rt_heap + RT_HEAP_SIZE; } #endif void rt_hw_board_init() { /* System Clock Update */ extern void system_init(void); system_init(); /* System Tick Configuration */ rt_systick_config(); volatile uint32_t mtvec = 0; __asm volatile( "csrr %0, mtvec" : "=r"( mtvec ) ); __asm volatile( "csrs mie, %0" :: "r"(0x880) ); #if defined(RT_USING_USER_MAIN) && defined(RT_USING_HEAP) rt_system_heap_init(rt_heap_begin_get(), rt_heap_end_get()); #endif /* USART driver initialization is open by default */ #ifdef RT_USING_SERIAL rt_hw_usart_init(); #endif #ifdef RT_USING_CONSOLE rt_console_set_device(RT_CONSOLE_DEVICE_NAME); #endif /* Call components board initial (use INIT_BOARD_EXPORT()) */ #ifdef RT_USING_COMPONENTS_INIT rt_components_board_init(); #endif }