1 /*
2  * Copyright (c) 2006-2023, RT-Thread Development Team
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author       Notes
8  * 2023/03/15     flyingcys    first version
9  */
10 #include <rthw.h>
11 #include <rtthread.h>
12 
13 #include "board.h"
14 #include "drv_uart.h"
15 
16 #define RT_HEAP_SIZE 1024
17 static uint32_t user_heap[RT_HEAP_SIZE];     // heap default size: 4K(1024 * 4)
18 
19 /* This is the timer interrupt service routine. */
systick_isr(void)20 static void systick_isr(void)
21 {
22     rt_tick_increase();
23 }
24 
rt_hw_board_init(void)25 void rt_hw_board_init(void)
26 {
27     bflb_irq_initialize();
28 
29     CPU_Set_MTimer_CLK(ENABLE, CPU_Get_MTimer_Source_Clock() / 1000 / 1000 - 1);
30     bflb_mtimer_config(HW_MTIMER_CLOCK * 2 / RT_TICK_PER_SECOND, systick_isr);
31 
32 #ifdef RT_USING_HEAP
33     /* initialize memory system */
34     rt_system_heap_init((void *)user_heap, (void *)user_heap + RT_HEAP_SIZE);
35 #endif
36 
37     /* UART driver initialization is open by default */
38 #ifdef RT_USING_SERIAL
39     rt_hw_uart_init();
40 #endif
41 
42     /* Set the shell console output device */
43 #if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
44     rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
45 #endif
46 
47 #ifdef RT_USING_COMPONENTS_INIT
48     rt_components_board_init();
49 #endif
50 }
51 
rt_hw_cpu_reset(void)52 void rt_hw_cpu_reset(void)
53 {
54     GLB_SW_POR_Reset();
55 }
56 MSH_CMD_EXPORT_ALIAS(rt_hw_cpu_reset, reboot, reset machine);
57