diff options
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libcpu/powerpc/mpc860/clock/clock.c | 42 |
1 files changed, 19 insertions, 23 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc860/clock/clock.c b/c/src/lib/libcpu/powerpc/mpc860/clock/clock.c index 25af11ce9a..73a586aa6a 100644 --- a/c/src/lib/libcpu/powerpc/mpc860/clock/clock.c +++ b/c/src/lib/libcpu/powerpc/mpc860/clock/clock.c @@ -82,28 +82,26 @@ void Install_clock(rtems_isr_entry clock_isr) if (pit_value > 0xffff) { /* pit is only 16 bits long */ rtems_fatal_error_occurred(-1); } - if ( rtems_configuration_get_ticks_per_timeslice() ) { - /* - * initialize the interval here - * First tick is set to right amount of time in the future - * Future ticks will be incremented over last value set - * in order to provide consistent clicks in the face of - * interrupt overhead - */ - - rtems_interrupt_catch(clock_isr, PPC_IRQ_LVL0, &previous_isr); + /* + * initialize the interval here + * First tick is set to right amount of time in the future + * Future ticks will be incremented over last value set + * in order to provide consistent clicks in the face of + * interrupt overhead + */ + + rtems_interrupt_catch(clock_isr, PPC_IRQ_LVL0, &previous_isr); - m860.sccr &= ~(1<<24); - m860.pitc = pit_value; + m860.sccr &= ~(1<<24); + m860.pitc = pit_value; - /* set PIT irq level, enable PIT, PIT interrupts */ - /* and clear int. status */ - m860.piscr = M860_PISCR_PIRQ(0) | - M860_PISCR_PTE | M860_PISCR_PS | M860_PISCR_PIE; + /* set PIT irq level, enable PIT, PIT interrupts */ + /* and clear int. status */ + m860.piscr = M860_PISCR_PIRQ(0) | + M860_PISCR_PTE | M860_PISCR_PS | M860_PISCR_PIE; - m860.simask |= M860_SIMASK_LVM0; - } + m860.simask |= M860_SIMASK_LVM0; atexit(Clock_exit); } @@ -128,12 +126,10 @@ ReInstall_clock(rtems_isr_entry new_clock_isr) void Clock_exit(void) { - if ( rtems_configuration_get_ticks_per_timeslice() ) { - /* disable PIT and PIT interrupts */ - m860.piscr &= ~(M860_PISCR_PTE | M860_PISCR_PIE); + /* disable PIT and PIT interrupts */ + m860.piscr &= ~(M860_PISCR_PTE | M860_PISCR_PIE); - (void) set_vector(0, PPC_IRQ_LVL0, 1); - } + (void) set_vector(0, PPC_IRQ_LVL0, 1); } rtems_device_driver Clock_initialize( |