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2009-08-06 Xi Yang <hiyangxi@gmail.com>

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* pxa255/clock/clock.c: Adjust clock for Skyeye. Joel added empty
	nanoseconds since last tick handler.
This commit is contained in:
Joel Sherrill
2009-08-06 22:24:13 +00:00
parent 9ef365f706
commit 076bc8be04
2 changed files with 24 additions and 0 deletions
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5
c/src/lib/libcpu/arm/ChangeLog
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@@ -1,3 +1,8 @@
2009-08-06 Xi Yang <hiyangxi@gmail.com>
* pxa255/clock/clock.c: Adjust clock for Skyeye. Joel added empty
nanoseconds since last tick handler.
2009-08-04 Xi Yang <hiyangxi@gmail.com> 2009-08-04 Xi Yang <hiyangxi@gmail.com>
* pxa255/clock/clock.c: Move parentheses to improve math. More tests * pxa255/clock/clock.c: Move parentheses to improve math. More tests

19
c/src/lib/libcpu/arm/pxa255/clock/clock.c
View File

@@ -27,6 +27,17 @@
static unsigned long period_num; static unsigned long period_num;
/**
* Return the nanoseconds since last tick
*/
uint32_t clock_driver_get_nanoseconds_since_last_tick(void)
{
return 0;
}
#define Clock_driver_nanoseconds_since_last_tick \
clock_driver_get_nanoseconds_since_last_tick
/** /**
* Enables clock interrupt. * Enables clock interrupt.
* *
@@ -40,7 +51,11 @@ static void clock_isr_on(const rtems_irq_connect_data *unused)
/* enable timer interrupt */ /* enable timer interrupt */
XSCALE_OS_TIMER_IER |= 0x1; XSCALE_OS_TIMER_IER |= 0x1;
#if ON_SKYEYE==1
period_num = (TIMER_RATE* Configuration.microseconds_per_tick)/100000;
#else
period_num = (TIMER_RATE* Configuration.microseconds_per_tick)/10000; period_num = (TIMER_RATE* Configuration.microseconds_per_tick)/10000;
#endif
XSCALE_OS_TIMER_MR0 = XSCALE_OS_TIMER_TCR + period_num; XSCALE_OS_TIMER_MR0 = XSCALE_OS_TIMER_TCR + period_num;
} }
@@ -90,7 +105,11 @@ rtems_irq_connect_data clock_isr_data = {
void Clock_driver_support_initialize_hardware(void) void Clock_driver_support_initialize_hardware(void)
{ {
#if ON_SKYEYE==1
period_num = (TIMER_RATE* Configuration.microseconds_per_tick)/100000;
#else
period_num = (TIMER_RATE* Configuration.microseconds_per_tick)/10000; period_num = (TIMER_RATE* Configuration.microseconds_per_tick)/10000;
#endif
} }