1/*
 2 * This file is subject to the terms and conditions of the GNU General Public
 3 * License.  See the file "COPYING" in the main directory of this archive
 4 * for more details.
 5 *
 6 * Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
 7 */
 8
 9/*
10 * This file contains definitions for accessing a platform supported high resolution
11 * clock. The clock is monitonically increasing and can be accessed from any node
12 * in the system. The clock is synchronized across nodes - all nodes see the
13 * same value.
14 * 
15 *	RTC_COUNTER_ADDR - contains the address of the counter 
16 *
17 */
18
19#ifndef _ASM_IA64_SN_CLKSUPPORT_H
20#define _ASM_IA64_SN_CLKSUPPORT_H
21
22extern unsigned long sn_rtc_cycles_per_second;
23
24#define RTC_COUNTER_ADDR	((long *)LOCAL_MMR_ADDR(SH_RTC))
25
26#define rtc_time()		(*RTC_COUNTER_ADDR)
27
28#endif /* _ASM_IA64_SN_CLKSUPPORT_H */