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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2009-08-06 22:24:13 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2009-08-06 22:24:13 +0000 |
| commit | 076bc8be0496c165c2b88b9a050c0483155ad384 (patch) | |
| tree | ca92562a916951ff15f7dd3d6062b60e56e0c8ae /c/src/lib/libcpu/arm | |
| parent | 2009-08-06 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
| download | rtems-076bc8be0496c165c2b88b9a050c0483155ad384.tar.bz2 | |
2009-08-06 Xi Yang <hiyangxi@gmail.com>
* pxa255/clock/clock.c: Adjust clock for Skyeye. Joel added empty
nanoseconds since last tick handler.
Diffstat (limited to 'c/src/lib/libcpu/arm')
| -rw-r--r-- | c/src/lib/libcpu/arm/ChangeLog | 5 | ||||
| -rwxr-xr-x | c/src/lib/libcpu/arm/pxa255/clock/clock.c | 19 |
2 files changed, 24 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/arm/ChangeLog b/c/src/lib/libcpu/arm/ChangeLog index 05771e3de1..e62fa6d328 100644 --- a/c/src/lib/libcpu/arm/ChangeLog +++ b/c/src/lib/libcpu/arm/ChangeLog @@ -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> * pxa255/clock/clock.c: Move parentheses to improve math. More tests diff --git a/c/src/lib/libcpu/arm/pxa255/clock/clock.c b/c/src/lib/libcpu/arm/pxa255/clock/clock.c index ad26e57a64..c5d8cc9862 100755 --- a/c/src/lib/libcpu/arm/pxa255/clock/clock.c +++ b/c/src/lib/libcpu/arm/pxa255/clock/clock.c @@ -28,6 +28,17 @@ 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. * * If the interrupt is always on, this can be a NOP. @@ -40,7 +51,11 @@ static void clock_isr_on(const rtems_irq_connect_data *unused) /* enable timer interrupt */ 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; +#endif 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) { +#if ON_SKYEYE==1 + period_num = (TIMER_RATE* Configuration.microseconds_per_tick)/100000; +#else period_num = (TIMER_RATE* Configuration.microseconds_per_tick)/10000; +#endif } |