#include #include #include #if 0 static struct mem_desc hw_mem_desc[] = { { 0x00000000, 0xFFFFFFFF, 0x00000000, RW_NCNB },/* None cached for 4G memory */ // visual start, visual end, phy start , props { 0x00000000, 0x000FFFFF, 0x20000000, RW_CB }, /* ISR Vector table */ { 0x00200000, 0x00001FFF, 0x40000000, RW_CB }, /* 8K cached SRAM 0/1 */ { 0x20000000, 0x21FFFFFF, 0x20000000, RW_CB }, /* 32M cached SDRAM */ { 0x90000000, 0x90001FFF, 0x40000000, RW_NCNB },/* 4K SRAM0 + 4k SRAM1 */ { 0xA0000000, 0xA1FFFFFF, 0x20000000, RW_NCNB },/* 32M none-cached SDRAM */ }; #endif #include static void rt_hw_timer_init(void) { GPIO_REG(GPIO_INPUT_EN) &= ~((0x1<< RED_LED_OFFSET) | (0x1<< GREEN_LED_OFFSET) | (0x1 << BLUE_LED_OFFSET)) ; GPIO_REG(GPIO_OUTPUT_EN) |= ((0x1<< RED_LED_OFFSET)| (0x1<< GREEN_LED_OFFSET) | (0x1 << BLUE_LED_OFFSET)) ; GPIO_REG(GPIO_OUTPUT_VAL) |= (0x1 << BLUE_LED_OFFSET) ; GPIO_REG(GPIO_OUTPUT_VAL) &= ~((0x1<< RED_LED_OFFSET) | (0x1<< GREEN_LED_OFFSET)) ; /* enable timer interrupt*/ set_csr(mie, MIP_MTIP); volatile uint64_t * mtimecmp = (uint64_t*) (CLINT_CTRL_ADDR + CLINT_MTIMECMP); CLINT_REG(CLINT_MTIME) = 0x0; /* CLINT_REG(CLINT_MTIMECMP) = 0x10000;*/ *mtimecmp = 0x20000; return; } void rt_hw_board_init(void) { /* initialize mmu */ /* rt_hw_mmu_init(hw_mem_desc, sizeof(hw_mem_desc)/sizeof(hw_mem_desc[0]));*/ /* initialize hardware interrupt */ rt_hw_interrupt_init(); /* initialize the system clock */ //rt_hw_clock_init(); //set each pll etc. /* initialize uart */ rt_hw_uart_init(); rt_console_set_device(RT_CONSOLE_DEVICE_NAME); /* initialize timer0 */ rt_hw_timer_init(); #ifdef RT_USING_COMPONENTS_INIT rt_components_board_init(); #endif return; }