CDNS_UART_RXTOUT
writel(rx_timeout, port->membase + CDNS_UART_RXTOUT);
writel(rx_timeout, port->membase + CDNS_UART_RXTOUT);
writel(rx_timeout, port->membase + CDNS_UART_RXTOUT);
writel(rx_timeout, port->membase + CDNS_UART_RXTOUT);