140 lines
3.5 KiB
C
140 lines
3.5 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 <rthw.h>
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#include <rtthread.h>
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#include <rtdbg.h>
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#include "board.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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extern size_t MMUTable[];
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struct mem_desc platform_mem_desc[] = { /* 100ask_imx6ull ddr 512M */
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{KERNEL_VADDR_START, KERNEL_VADDR_START + 0x1FFFFFFF, (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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{0x00000000, 0x80000000, 0x00000000, DEVICE_MEM},
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{0x80000000, 0xFFF00000, 0x80000000, 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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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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#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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int board_reboot(int argc, char **argv)
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{
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wdog_config_t config;
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SRC_Type *src = (SRC_Type*)g_src_vbase;
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WDOG_Type *wdog = (WDOG_Type*)g_wdog1_vbase;
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LOG_E("resetting ...\n");
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rt_hw_ms_delay(50);
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src->SCR &= ~SRC_SCR_WARM_RESET_ENABLE_MASK;
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CLOCK_EnableClock(kCLOCK_Wdog1);
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WDOG_GetDefaultConfig(&config);
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config.timeoutValue = 0x00u;
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WDOG_Init(wdog, &config);
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while (1)
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{
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//waiting...
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}
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return 0;
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}
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MSH_CMD_EXPORT_ALIAS(board_reboot, reboot, reboot system);
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void assert_handler(const char *ex_string, const char *func, rt_size_t line)
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{
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volatile char dummy = 0;
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extern int list_thread(void);
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list_thread();
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rt_backtrace();
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rt_kprintf("(%s) assertion failed at function:%s, line number:%d \n", ex_string, func, line);
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while (dummy == 0)
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;
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}
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#define PUTC(periph, ch) \
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do { \
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while (0 == (periph->USR2 & UART_USR2_TXDC_MASK)); \
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periph->UTXD = ch; \
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} while (0)
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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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SystemAddressMapping();
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SystemClockInit();
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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_DEBUGING_ASSERT
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rt_assert_set_hook(assert_handler);
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#endif
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}
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