PCC_TIMER_CYCLES  109 arch/m68k/mvme147/config.c #define PCC_TIMER_CYCLES     (PCC_TIMER_CLOCK_FREQ / HZ)
PCC_TIMER_CYCLES  360 arch/m68k/mvme16x/config.c #define PCC_TIMER_CYCLES     (PCC_TIMER_CLOCK_FREQ / HZ)