refactor(serial): use official uart_16550::SerialPort::init

kernel/src/logger.rs

@@ -19,24 +19,8 @@ static SERIAL: Mutex<Option<SerialPort>> = Mutex::new(None);
 
 /// Инициализировать serial и зарегистрировать logger.
 pub fn init() {
-    unsafe {
+    let mut port = unsafe { SerialPort::new(SERIAL_IO_PORT) };
-        let mut ier: Port<u8> = Port::new(SERIAL_IO_PORT + 1);
+    port.init();
-        let mut lcr: Port<u8> = Port::new(SERIAL_IO_PORT + 3);
-        let mut dll: Port<u8> = Port::new(SERIAL_IO_PORT);
-        let mut dlm: Port<u8> = Port::new(SERIAL_IO_PORT + 1);
-        let mut fcr: Port<u8> = Port::new(SERIAL_IO_PORT + 2);
-        let mut mcr: Port<u8> = Port::new(SERIAL_IO_PORT + 4);
-
-        ier.write(0x00); // Disable interrupts
-        lcr.write(0x80); // Enable DLAB (baud rate divisor)
-        dll.write(0x01); // 115200 baud (divisor 1 low byte)
-        dlm.write(0x00); //                 (divisor 1 high byte)
-        lcr.write(0x03); // 8 bits, no parity, 1 stop bit (DLAB disabled)
-        fcr.write(0x07); // Enable FIFO, clear RX/TX, 1-byte threshold
-        mcr.write(0x0B); // RTS/DTR + OUT2 (enable line driver)
-    }
-
-    let port = unsafe { SerialPort::new(SERIAL_IO_PORT) };
     *SERIAL.lock() = Some(port);
 
     flush_rx();