diff options
Diffstat (limited to 'arch/parisc/kernel/time.c')
-rw-r--r-- | arch/parisc/kernel/time.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index ab641d67f551..47831c2cd093 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c | |||
@@ -223,22 +223,24 @@ unsigned long long sched_clock(void) | |||
223 | } | 223 | } |
224 | 224 | ||
225 | 225 | ||
226 | void __init start_cpu_itimer(void) | ||
227 | { | ||
228 | unsigned int cpu = smp_processor_id(); | ||
229 | unsigned long next_tick = mfctl(16) + clocktick; | ||
230 | |||
231 | mtctl(next_tick, 16); /* kick off Interval Timer (CR16) */ | ||
232 | |||
233 | cpu_data[cpu].it_value = next_tick; | ||
234 | } | ||
235 | |||
226 | void __init time_init(void) | 236 | void __init time_init(void) |
227 | { | 237 | { |
228 | unsigned long next_tick; | ||
229 | static struct pdc_tod tod_data; | 238 | static struct pdc_tod tod_data; |
230 | 239 | ||
231 | clocktick = (100 * PAGE0->mem_10msec) / HZ; | 240 | clocktick = (100 * PAGE0->mem_10msec) / HZ; |
232 | halftick = clocktick / 2; | 241 | halftick = clocktick / 2; |
233 | 242 | ||
234 | /* Setup clock interrupt timing */ | 243 | start_cpu_itimer(); /* get CPU 0 started */ |
235 | |||
236 | next_tick = mfctl(16); | ||
237 | next_tick += clocktick; | ||
238 | cpu_data[smp_processor_id()].it_value = next_tick; | ||
239 | |||
240 | /* kick off Itimer (CR16) */ | ||
241 | mtctl(next_tick, 16); | ||
242 | 244 | ||
243 | if(pdc_tod_read(&tod_data) == 0) { | 245 | if(pdc_tod_read(&tod_data) == 0) { |
244 | write_seqlock_irq(&xtime_lock); | 246 | write_seqlock_irq(&xtime_lock); |