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2 * Copyright (C) 2012 ARM Ltd.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 #ifndef __CLKSOURCE_ARM_ARCH_TIMER_H
17 #define __CLKSOURCE_ARM_ARCH_TIMER_H
19 #include <linux/clocksource.h>
20 #include <linux/types.h>
22 #define ARCH_TIMER_CTRL_ENABLE (1 << 0)
23 #define ARCH_TIMER_CTRL_IT_MASK (1 << 1)
24 #define ARCH_TIMER_CTRL_IT_STAT (1 << 2)
31 #define ARCH_TIMER_PHYS_ACCESS 0
32 #define ARCH_TIMER_VIRT_ACCESS 1
34 #ifdef CONFIG_ARM_ARCH_TIMER
36 extern u32
arch_timer_get_rate(void);
37 extern u64
arch_timer_read_counter(void);
38 extern struct timecounter
*arch_timer_get_timecounter(void);
42 static inline u32
arch_timer_get_rate(void)
47 static inline u64
arch_timer_read_counter(void)
52 static inline struct timecounter
*arch_timer_get_timecounter(void)
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