Mark Rutland | 8a4da6e | 2012-11-12 14:33:44 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 ARM Ltd. |
| 3 | * |
| 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. |
| 7 | * |
| 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. |
| 12 | * |
| 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/>. |
| 15 | */ |
| 16 | #ifndef __CLKSOURCE_ARM_ARCH_TIMER_H |
| 17 | #define __CLKSOURCE_ARM_ARCH_TIMER_H |
| 18 | |
| 19 | #include <linux/clocksource.h> |
| 20 | #include <linux/types.h> |
| 21 | |
| 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) |
| 25 | |
| 26 | #define ARCH_TIMER_REG_CTRL 0 |
| 27 | #define ARCH_TIMER_REG_TVAL 1 |
| 28 | |
| 29 | #define ARCH_TIMER_PHYS_ACCESS 0 |
| 30 | #define ARCH_TIMER_VIRT_ACCESS 1 |
| 31 | |
| 32 | #ifdef CONFIG_ARM_ARCH_TIMER |
| 33 | |
Mark Rutland | 8a4da6e | 2012-11-12 14:33:44 +0000 | [diff] [blame] | 34 | extern u32 arch_timer_get_rate(void); |
| 35 | extern u64 (*arch_timer_read_counter)(void); |
| 36 | extern struct timecounter *arch_timer_get_timecounter(void); |
| 37 | |
| 38 | #else |
| 39 | |
Mark Rutland | 8a4da6e | 2012-11-12 14:33:44 +0000 | [diff] [blame] | 40 | static inline u32 arch_timer_get_rate(void) |
| 41 | { |
| 42 | return 0; |
| 43 | } |
| 44 | |
| 45 | static inline u64 arch_timer_read_counter(void) |
| 46 | { |
| 47 | return 0; |
| 48 | } |
| 49 | |
Olof Johansson | 0582b05 | 2013-02-11 15:15:53 -0800 | [diff] [blame] | 50 | static inline struct timecounter *arch_timer_get_timecounter(void) |
Mark Rutland | 8a4da6e | 2012-11-12 14:33:44 +0000 | [diff] [blame] | 51 | { |
| 52 | return NULL; |
| 53 | } |
| 54 | |
| 55 | #endif |
| 56 | |
| 57 | #endif |