/* * Copyright (c) 2006-2020, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2020-04-16 bigmagic first version */ #ifndef BOARD_H__ #define BOARD_H__ #include #include "raspi4.h" #include "mmu.h" #include "ioremap.h" extern int __bss_end; #define HEAP_BEGIN ((void*)&__bss_end) #ifdef RT_USING_SMART #define HEAP_END ((size_t)KERNEL_VADDR_START + 32 * 1024 * 1024) #define PAGE_START HEAP_END #define PAGE_END ((size_t)KERNEL_VADDR_START + 128 * 1024 * 1024) #else #define KERNEL_VADDR_START 0x0 #define HEAP_END (KERNEL_VADDR_START + 32 * 1024 * 1024) #define PAGE_START HEAP_END #define PAGE_END ((size_t)PAGE_START + 128 * 1024 * 1024) #endif void rt_hw_board_init(void); #endif