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/*
* arch/arm/mach-tegra/timer.h
*
* Copyright (C) 2010-2011 NVIDIA Corporation
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef _MACH_TEGRA_TIMER_H_
#define _MACH_TEGRA_TIMER_H_
#define RTC_SECONDS 0x08
#define RTC_SHADOW_SECONDS 0x0c
#define RTC_MILLISECONDS 0x10
#define TIMER_PTV 0x0
#define TIMER_PCR 0x4
#define TIMERUS_CNTR_1US 0x10
#define TIMERUS_USEC_CFG 0x14
#define TIMERUS_CNTR_FREEZE 0x4c
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
void __init tegra2_init_timer(u32 *offset, int *irq);
#else
void __init tegra3_init_timer(u32 *offset, int *irq);
#endif
struct tegra_twd_context {
u32 twd_ctrl;
u32 twd_load;
u32 twd_cnt;
};
#ifdef CONFIG_HAVE_ARM_TWD
int tegra_twd_get_state(struct tegra_twd_context *context);
void tegra_twd_suspend(struct tegra_twd_context *context);
void tegra_twd_resume(struct tegra_twd_context *context);
int tegra_get_linear_age(void);
#else
static inline int tegra_twd_get_state(struct tegra_twd_context *context)
{ return -ENODEV; }
static inline void tegra_twd_suspend(struct tegra_twd_context *context) {}
static inline void tegra_twd_resume(struct tegra_twd_context *context) {}
static inline int tegra_get_linear_age()
{ return -1; }
#endif
#endif /* _MACH_TEGRA_TIMER_H_ */
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