UTCR0
writel(UTCR0_8BitData | UTCR0_1StpBit, micro->base + UTCR0);
#define UART_GET_UTCR0(sport) __raw_readl((sport)->port.membase + UTCR0)
#define UART_PUT_UTCR0(sport,v) __raw_writel((v),(sport)->port.membase + UTCR0)