126 lines
3.3 KiB
C
126 lines
3.3 KiB
C
/*
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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 "mm_aspace.h"
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#include <rthw.h>
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#include <rtthread.h>
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#include <mmu.h>
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#ifdef RT_USING_SMART
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#include <lwp_arch.h>
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#endif
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#include "board.h"
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#include <mm_page.h>
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#include <interrupt.h>
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#ifdef RT_USING_FDT
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#include "interrupt.h"
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#include "dtb_node.h"
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#include <psci_api.h>
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#include <cpu.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 + 0x0fffffff, KERNEL_VADDR_START + PV_OFFSET, NORMAL_MEM}
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};
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#else
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#define PAGE_POOL_SIZE (2ul << 20)
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#define PHYMEM_END (0x48000000ul)
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struct mem_desc platform_mem_desc[] =
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{
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{0x40000000, PHYMEM_END - 1, 0x40000000, NORMAL_MEM},
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// {PL031_RTC_BASE, PL031_RTC_BASE + 0x1000 - 1, PL031_RTC_BASE, DEVICE_MEM},
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// {PL061_GPIO_BASE, PL061_GPIO_BASE + 0x1000 - 1, PL061_GPIO_BASE, DEVICE_MEM},
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{PL011_UART0_BASE, PL011_UART0_BASE + ARCH_SECTION_SIZE - 1, PL011_UART0_BASE, DEVICE_MEM},
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{VIRTIO_MMIO_BASE, RT_ALIGN(VIRTIO_MMIO_BASE + VIRTIO_MAX_NR * VIRTIO_MMIO_SIZE, ARCH_SECTION_SIZE) - 1, VIRTIO_MMIO_BASE, DEVICE_MEM},
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#ifdef BSP_USING_GICV2
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{GIC_PL390_DISTRIBUTOR_PPTR, GIC_PL390_DISTRIBUTOR_PPTR + ARCH_SECTION_SIZE - 1, GIC_PL390_DISTRIBUTOR_PPTR, DEVICE_MEM},
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#endif
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#ifdef BSP_USING_GICV3
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{GIC_PL500_DISTRIBUTOR_PPTR, GIC_PL500_DISTRIBUTOR_PPTR + 0x1000 - 1, GIC_PL500_DISTRIBUTOR_PPTR, DEVICE_MEM},
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{GIC_PL500_REDISTRIBUTOR_PPTR, GIC_PL500_REDISTRIBUTOR_PPTR + 0xf60000 - 1, GIC_PL500_REDISTRIBUTOR_PPTR, DEVICE_MEM},
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#endif
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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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/**
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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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PAGE_START,
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PAGE_END,
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};
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#else
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rt_region_t init_page_region = {
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PHYMEM_END - PAGE_POOL_SIZE,
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PHYMEM_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_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*)0x80000000, 0x10000000, MMUTable, 0);
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#endif
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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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/* initialize system heap */
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rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
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/* initialize hardware interrupt */
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rt_hw_interrupt_init();
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/* support debug feature before components init */
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rt_hw_uart_init();
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rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
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#ifdef RT_USING_FDT
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// TODO 0x44000000 should be replace by a variable
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void * fdt_start = (void *)0x44000000 - PV_OFFSET;
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device_tree_setup(fdt_start);
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#ifdef RT_USING_SMP
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rt_hw_cpu_init();
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#else
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psci_init();
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#endif /* RT_USING_SMP */
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#endif
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rt_components_board_init();
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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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