vt8500_write
vt8500_write(port, vt8500_port->ier, VT8500_URIER);
vt8500_write(port, vt8500_port->ier, VT8500_URIER);
vt8500_write(port, vt8500_port->ier, VT8500_URIER);
vt8500_write(port, vt8500_port->ier, VT8500_URIER);
vt8500_write(port, vt8500_port->ier, VT8500_URIER);
vt8500_write(port, isr, VT8500_URISR);
vt8500_write(port, lcr, VT8500_URLCR);
vt8500_write(port,
vt8500_write(port, div, VT8500_URDIV);
vt8500_write(port, mult_frac(baud, 4096, 1000000), VT8500_URBKR);
vt8500_write(port, 0x03, VT8500_URLCR); /* enable TX & RX */
vt8500_write(&vt8500_port->uart, 0, VT8500_URIER);
vt8500_write(&vt8500_port->uart, 0x880, VT8500_URFCR);
vt8500_write(&vt8500_port->uart, lcr, VT8500_URLCR);
vt8500_write(&vt8500_port->uart, 0x88c, VT8500_URFCR);
vt8500_write(&vt8500_port->uart, 0x881, VT8500_URFCR);
vt8500_write(&vt8500_port->uart, vt8500_port->ier, VT8500_URIER);
vt8500_write(&vt8500_port->uart, VT8500_URIER, 0);
vt8500_write(&vt8500_port->uart, VT8500_URIER, ier);
vt8500_write(port, c, VT8500_TXFIFO);