diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-19 17:44:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-19 17:44:13 -0700 |
| commit | 0f1bdc1815c4cb29b3cd71a7091b478e426faa0b (patch) | |
| tree | b4d70c6a305d91bf7d1c8a6bbf87508587d55633 /arch/arm/include/asm | |
| parent | 80fe02b5daf176f99d3afc8f6c9dc9dece019836 (diff) | |
| parent | a18f22a968de17b29f2310cdb7ba69163e65ec15 (diff) | |
Merge branch 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
clocksource: convert mips to generic i8253 clocksource
clocksource: convert x86 to generic i8253 clocksource
clocksource: convert footbridge to generic i8253 clocksource
clocksource: add common i8253 PIT clocksource
blackfin: convert to clocksource_register_hz
mips: convert to clocksource_register_hz/khz
sparc: convert to clocksource_register_hz/khz
alpha: convert to clocksource_register_hz
microblaze: convert to clocksource_register_hz/khz
ia64: convert to clocksource_register_hz/khz
x86: Convert remaining x86 clocksources to clocksource_register_hz/khz
Make clocksource name const
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/i8253.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/include/asm/i8253.h b/arch/arm/include/asm/i8253.h new file mode 100644 index 00000000000..70656b69d5c --- /dev/null +++ b/arch/arm/include/asm/i8253.h @@ -0,0 +1,15 @@ +#ifndef __ASMARM_I8253_H +#define __ASMARM_I8253_H + +/* i8253A PIT registers */ +#define PIT_MODE 0x43 +#define PIT_CH0 0x40 + +#define PIT_LATCH ((PIT_TICK_RATE + HZ / 2) / HZ) + +extern raw_spinlock_t i8253_lock; + +#define outb_pit outb_p +#define inb_pit inb_p + +#endif |