dbgu_uart 1819 drivers/tty/serial/atmel_serial.c u32 usart, dbgu_uart, new_uart; dbgu_uart 1822 drivers/tty/serial/atmel_serial.c dbgu_uart = 0x44424755; /* DBGU */ dbgu_uart 1859 drivers/tty/serial/atmel_serial.c } else if (name == dbgu_uart) {