LPC32XX_HSUART_IIR
LPC32XX_HSUART_IIR(port->membase));
status = readl(LPC32XX_HSUART_IIR(port->membase));
writel(LPC32XX_HSU_BRK_INT, LPC32XX_HSUART_IIR(port->membase));
writel(LPC32XX_HSU_FE_INT, LPC32XX_HSUART_IIR(port->membase));
LPC32XX_HSUART_IIR(port->membase));
writel(LPC32XX_HSU_TX_INT, LPC32XX_HSUART_IIR(port->membase));
LPC32XX_HSU_FE_INT), LPC32XX_HSUART_IIR(port->membase));
LPC32XX_HSUART_IIR(port->membase));
LPC32XX_HSUART_IIR(port->membase));