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