rt-thread-official/bsp/imx6sx/cortex-a9/drivers/board.h

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2015-08-09 09:36:12 +08:00
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
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*
* SPDX-License-Identifier: Apache-2.0
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*
* Change Logs:
* Date Author Notes
* 2013-07-06 Bernard the first version
*/
#ifndef __BOARD_H__
#define __BOARD_H__
#include <registers.h>
#include <irq_numbers.h>
#if defined(__CC_ARM)
extern int Image$$RW_IRAM1$$ZI$$Limit;
#define HEAP_BEGIN ((void*)&Image$$RW_IRAM1$$ZI$$Limit)
#elif defined(__GNUC__)
extern int __bss_end;
#define HEAP_BEGIN ((void*)&__bss_end)
#endif
#define HEAP_END (void*)(0x80000000 + 32 * 1024 * 1024)
void rt_hw_board_init(void);
#endif