89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/*
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* Copyright (c) 2006-2024, 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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* 2024-04-15 liYony the first version
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*/
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#include <mmu.h>
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#include <board.h>
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#include <mm_aspace.h>
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#include <mm_page.h>
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#include <drv_uart.h>
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#include <gtimer.h>
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extern size_t MMUTable[];
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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 + 0x0FFFFFFF, (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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{
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{0x80200000, 0x90200000 - 1, 0x80200000, NORMAL_MEM}, /* memory size 256M */
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{0x01000000, 0x80000000 - 1, 0x01000000, DEVICE_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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void idle_wfi(void)
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{
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asm volatile("wfi");
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}
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static rt_ubase_t pinmux_base = RT_NULL;
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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_hw_mmu_map_init(&rt_kernel_space, (void *)0xfffffffff0000000, 0x10000000, MMUTable, PV_OFFSET);
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#else
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rt_hw_mmu_map_init(&rt_kernel_space, (void *)0xffffd0000000, 0x10000000, MMUTable, 0);
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#endif
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rt_region_t init_page_region;
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init_page_region.start = PAGE_START;
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init_page_region.end = PAGE_END;
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rt_page_init(init_page_region);
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rt_hw_mmu_setup(&rt_kernel_space, platform_mem_desc, platform_mem_desc_size);
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#ifdef RT_USING_HEAP
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/* initialize system heap */
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rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
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#endif
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/* initialize hardware interrupt */
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rt_hw_interrupt_init();
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/* initialize uart */
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rt_hw_uart_init();
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/* initialize timer for os tick */
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rt_hw_gtimer_init();
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rt_thread_idle_sethook(idle_wfi);
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#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
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/* set console device */
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rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
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#endif
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rt_kprintf("heap: [0x%08x - 0x%08x]\n", HEAP_BEGIN, HEAP_END);
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#ifdef RT_USING_COMPONENTS_INIT
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rt_components_board_init();
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#endif
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}
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rt_ubase_t pinmux_base_ioremap(void)
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{
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if (pinmux_base == RT_NULL)
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{
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pinmux_base = (rt_size_t)rt_ioremap((void*)0x03001000, 0x1000);
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}
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return pinmux_base;
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}
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