/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2012-11-20 Bernard the first version * 2018-11-22 Jesven add rt_hw_spin_lock * add rt_hw_spin_unlock * add smp ipi init */ #include #include #include "board.h" #include "drv_timer.h" #include "mm_aspace.h" #include #ifdef RT_USING_SMART #include #include #endif #ifdef RT_USING_SMART struct mem_desc platform_mem_desc[] = { {KERNEL_VADDR_START, KERNEL_VADDR_START + 0x0fffffff, KERNEL_VADDR_START + PV_OFFSET, NORMAL_MEM} }; #else struct mem_desc platform_mem_desc[] = { {0x10000000, 0x50000000, 0x10000000, DEVICE_MEM}, {0x60000000, 0x70000000, 0x60000000, NORMAL_MEM} }; #endif const rt_uint32_t platform_mem_desc_size = sizeof(platform_mem_desc)/sizeof(platform_mem_desc[0]); #define SYS_CTRL __REG32(REALVIEW_SCTL_BASE) extern void rt_hw_ipi_handler_install(int ipi_vector, rt_isr_handler_t ipi_isr_handler); void idle_wfi(void) { asm volatile ("wfi"); } /** * This function will initialize board */ extern size_t MMUTable[]; #ifdef RT_USING_SMART rt_region_t init_page_region = { (uint32_t)PAGE_START, (uint32_t)PAGE_END, }; #endif void rt_hw_board_init(void) { #ifdef RT_USING_SMART rt_hw_mmu_map_init(&rt_kernel_space, (void*)0xf0000000, 0x10000000, MMUTable, PV_OFFSET); rt_page_init(init_page_region); rt_hw_mmu_ioremap_init(&rt_kernel_space, (void*)0xf0000000, 0x10000000); arch_kuser_init(&rt_kernel_space, (void*)0xffff0000); #else rt_hw_mmu_map_init(&rt_kernel_space, (void*)0x80000000, 0x10000000, MMUTable, 0); rt_hw_mmu_ioremap_init(&rt_kernel_space, (void*)0x80000000, 0x10000000); #endif /* initialize system heap */ rt_system_heap_init(HEAP_BEGIN, HEAP_END); /* initialize hardware interrupt */ rt_hw_interrupt_init(); rt_components_board_init(); rt_console_set_device(RT_CONSOLE_DEVICE_NAME); rt_thread_idle_sethook(idle_wfi); #ifdef RT_USING_SMP /* install IPI handle */ rt_hw_ipi_handler_install(RT_SCHEDULE_IPI, rt_scheduler_ipi_handler); #endif }