VT8500_URLCR
unsigned int lcr = vt8500_read(port, VT8500_URLCR);
vt8500_write(port, lcr, VT8500_URLCR);
vt8500_read(port, VT8500_URLCR) | VT8500_BREAK,
VT8500_URLCR);
vt8500_write(port, 0x03, VT8500_URLCR); /* enable TX & RX */
lcr = vt8500_read(&vt8500_port->uart, VT8500_URLCR);
vt8500_write(&vt8500_port->uart, lcr, VT8500_URLCR);