diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 14:59:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 14:59:11 -0700 |
| commit | 2b12a4c524812fb3f6ee590a02e65b95c8c32229 (patch) | |
| tree | 6d319a371c56798d2d5c3ad21801eba142a1c77e /arch/ia64/include/asm/sn/clksupport.h | |
| parent | 4744b43431e8613f920c5cba88346756f53c5165 (diff) | |
| parent | 7f30491ccd28627742e37899453ae20e3da8e18f (diff) | |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] Move include/asm-ia64 to arch/ia64/include/asm
Diffstat (limited to 'arch/ia64/include/asm/sn/clksupport.h')
| -rw-r--r-- | arch/ia64/include/asm/sn/clksupport.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/sn/clksupport.h b/arch/ia64/include/asm/sn/clksupport.h new file mode 100644 index 00000000000..d340c365a82 --- /dev/null +++ b/arch/ia64/include/asm/sn/clksupport.h @@ -0,0 +1,28 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved. + */ + +/* + * This file contains definitions for accessing a platform supported high resolution + * clock. The clock is monitonically increasing and can be accessed from any node + * in the system. The clock is synchronized across nodes - all nodes see the + * same value. + * + * RTC_COUNTER_ADDR - contains the address of the counter + * + */ + +#ifndef _ASM_IA64_SN_CLKSUPPORT_H +#define _ASM_IA64_SN_CLKSUPPORT_H + +extern unsigned long sn_rtc_cycles_per_second; + +#define RTC_COUNTER_ADDR ((long *)LOCAL_MMR_ADDR(SH_RTC)) + +#define rtc_time() (*RTC_COUNTER_ADDR) + +#endif /* _ASM_IA64_SN_CLKSUPPORT_H */ |