Function rt_hw_uart_init

bsp/loongson/ls1bdev/drivers/drv_uart.c:178–221

void rt_hw_uart_init(void)
{
    struct rt_uart_ls1b *uart;
    struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;

#ifdef RT_USING_UART5
        uart = &uart5;

        serial5.ops    = &ls1b_uart_ops;
        serial5.config = config;

        rt_hw_interrupt_install(uart->IRQ, uart_irq_handler, &serial5, "UART5");

        /* register UART5 device */
        rt_hw_serial_register(&serial5,
                              "uart5",
                              //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_UART5 */


#ifdef RT_USING_UART2
    uart = &uart2;

    serial2.ops    = &ls1b_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 */

}