1 /*
2  * Copyright (c) 2006-2021, RT-Thread Development Team
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author         Notes
8  * 2020-04-16     bigmagic       first version
9  */
10 
11 #ifndef BOARD_H__
12 #define BOARD_H__
13 
14 #include <stdint.h>
15 #include "raspi4.h"
16 
17 extern unsigned char __bss_start;
18 extern unsigned char __bss_end;
19 
20 #define RT_HW_HEAP_BEGIN    (void*)&__bss_end
21 #define RT_HW_HEAP_END      (void*)(RT_HW_HEAP_BEGIN + 64 * 1024 * 1024)
22 
23 void rt_hw_board_init(void);
24 
25 #endif
26