/* * 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 #include #ifdef RT_USING_SMART #include #endif #include "board.h" #include #include #include #include #ifdef RT_USING_SMART struct mem_desc platform_mem_desc[] = { {KERNEL_VADDR_START, KERNEL_VADDR_START + 0x0fffffff, (rt_size_t)ARCH_MAP_FAILED, NORMAL_MEM} }; #else #define PAGE_POOL_SIZE (2ul << 20) #define PHYMEM_END (0x48000000ul) struct mem_desc platform_mem_desc[] = { {0x40000000, PHYMEM_END - 1, 0x40000000, NORMAL_MEM}, // {PL031_RTC_BASE, PL031_RTC_BASE + 0x1000 - 1, PL031_RTC_BASE, DEVICE_MEM}, // {PL061_GPIO_BASE, PL061_GPIO_BASE + 0x1000 - 1, PL061_GPIO_BASE, DEVICE_MEM}, {PL011_UART0_BASE, PL011_UART0_BASE + ARCH_SECTION_SIZE - 1, PL011_UART0_BASE, DEVICE_MEM}, {VIRTIO_MMIO_BASE, RT_ALIGN(VIRTIO_MMIO_BASE + VIRTIO_MAX_NR * VIRTIO_MMIO_SIZE, ARCH_SECTION_SIZE) - 1, VIRTIO_MMIO_BASE, DEVICE_MEM}, #ifdef BSP_USING_GICV2 {GIC_PL390_DISTRIBUTOR_PPTR, GIC_PL390_DISTRIBUTOR_PPTR + ARCH_SECTION_SIZE - 1, GIC_PL390_DISTRIBUTOR_PPTR, DEVICE_MEM}, #endif #ifdef BSP_USING_GICV3 {GIC_PL500_DISTRIBUTOR_PPTR, GIC_PL500_DISTRIBUTOR_PPTR + 0x1000 - 1, GIC_PL500_DISTRIBUTOR_PPTR, DEVICE_MEM}, {GIC_PL500_REDISTRIBUTOR_PPTR, GIC_PL500_REDISTRIBUTOR_PPTR + 0xf60000 - 1, GIC_PL500_REDISTRIBUTOR_PPTR, DEVICE_MEM}, #endif }; #endif const rt_uint32_t platform_mem_desc_size = sizeof(platform_mem_desc)/sizeof(platform_mem_desc[0]); 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 = { PAGE_START, PAGE_END, }; #else rt_region_t init_page_region = { PHYMEM_END - PAGE_POOL_SIZE, PHYMEM_END, }; #endif void rt_hw_board_init(void) { #ifdef RT_USING_SMART rt_hw_mmu_map_init(&rt_kernel_space, (void*)0xfffffffff0000000, 0x10000000, MMUTable, PV_OFFSET); #else rt_hw_mmu_map_init(&rt_kernel_space, (void*)0x80000000, 0x10000000, MMUTable, 0); #endif rt_page_init(init_page_region); rt_hw_mmu_setup(&rt_kernel_space, platform_mem_desc, platform_mem_desc_size); /* initialize system heap */ rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END); /* initialize hardware interrupt */ rt_hw_interrupt_init(); rt_hw_gtimer_init(); /* support debug feature before components init */ rt_hw_uart_init(); rt_console_set_device(RT_CONSOLE_DEVICE_NAME); #ifdef RT_USING_OFW rt_hw_common_setup(); #endif rt_components_board_init(); 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 }