Function rt_hw_uart_init

bsp/loongson/ls1cdev/drivers/drv_uart.c:155–223

#endif /* RT_USING_UART3 */

void rt_hw_uart_init(void)
{
    struct rt_uart_ls1c *uart;
    struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;

#ifdef RT_USING_UART2
    uart = &uart2;

    serial2.ops    = &ls1c_uart_ops;
    serial2.config = config;

    pin_set_purpose(36, PIN_PURPOSE_OTHER);
    pin_set_purpose(37, PIN_PURPOSE_OTHER);
    pin_set_remap(36, PIN_REMAP_SECOND);
    pin_set_remap(37, PIN_REMAP_SECOND);

    rt_hw_interrupt_install(uart->IRQ, uart_irq_handler, &serial2, "UART2");

    /* register UART2 device */
    rt_hw_serial_register(&serial2,
                          "uart2",
                          //RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_DMA_RX,
                          RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
                          uart);
#endif /* RT_USING_UART2 */

#ifdef RT_USING_UART1
    uart = &uart1;

    serial1.ops    = &ls1c_uart_ops;
    serial1.config = config;

    pin_set_purpose(2, PIN_PURPOSE_OTHER);
    pin_set_purpose(3, PIN_PURPOSE_OTHER);
    pin_set_remap(2, PIN_REMAP_FOURTH);
    pin_set_remap(3, PIN_REMAP_FOURTH);

    rt_hw_interrupt_install(uart->IRQ, uart_irq_handler, &serial1, "UART1");

    /* register UART1 device */
    rt_hw_serial_register(&serial1,
                          "uart1",
                          //RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_DMA_RX,
                          RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
                          uart);
#endif /* RT_USING_UART1 */

#ifdef RT_USING_UART3
    uart = &uart3;

    serial3.ops    = &ls1c_uart_ops;
    serial3.config = config;

    pin_set_purpose(0, PIN_PURPOSE_OTHER);
    pin_set_purpose(1, PIN_PURPOSE_OTHER);
    pin_set_remap(0, PIN_REMAP_FOURTH);
    pin_set_remap(1, PIN_REMAP_FOURTH);