_UCREG 640 arch/arm/mach-lpc32xx/lpc32xx.h #define LPC32XX_UARTCTL_CTRL _UCREG(0x00) _UCREG 641 arch/arm/mach-lpc32xx/lpc32xx.h #define LPC32XX_UARTCTL_CLKMODE _UCREG(0x04) _UCREG 642 arch/arm/mach-lpc32xx/lpc32xx.h #define LPC32XX_UARTCTL_CLOOP _UCREG(0x08)