rt-thread-official/bsp/imx/imx6ull-smart/drivers/board.h

47 lines
1.0 KiB
C

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*/
#ifndef __BOARD_H__
#define __BOARD_H__
#include <rtconfig.h>
#include "imx6ull.h"
#include "mmu.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
#ifdef RT_USING_SMART
#define HEAP_END (void*)(KERNEL_VADDR_START + 16 * 1024 * 1024)
#define PAGE_START HEAP_END
#define PAGE_END (void*)(KERNEL_VADDR_START + 128 * 1024 * 1024)
#else
#define HEAP_END (void*)(0x80000000 + 64 * 1024 * 1024)
#endif
/*
* memory map for peripherals
*/
/*
start addr - end addr , size
0x0090_0000 - 0x0091_FFFF, 128KB, OCRAM
0x0200_0000 - 0x020F_FFFF, 1MB, AIPS-1
0x0210_0000 - 0x021F_FFFF, 1MB, AIPS-2
0x0220_0000 - 0x022F_FFFF, 1MB, AIPS-3
*/
void rt_hw_board_init(void);
#endif