MCFUART_USR
while ((status = readb(port->membase + MCFUART_USR)) & MCFUART_USR_RXREADY) {
readb(port->membase + MCFUART_USR) & MCFUART_USR_TXREADY,
if (readb(port->membase + MCFUART_USR) & MCFUART_USR_TXREADY)
if (readb(port->membase + MCFUART_USR) & MCFUART_USR_TXREADY)
return (readb(port->membase + MCFUART_USR) & MCFUART_USR_TXEMPTY) ?