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