UTCR4_LPM         375 arch/arm/mach-sa1100/include/mach/SA-1100.h #define UTCR4_Z3_16Bit	(UTCR4_LPM*0)	/*  Zero pulse = 3/16 Bit time     */
UTCR4_LPM         376 arch/arm/mach-sa1100/include/mach/SA-1100.h #define UTCR4_Z1_6us	(UTCR4_LPM*1)	/*  Zero pulse = 1.6 us            */