u-boot-brain/arch/arm/include/asm/arch-tegra2/timer.h
Simon Glass 39d3416f0a Tegra2: Add microsecond timer function
These functions provide access to the high resolution microsecond timer
and tidy up a global variable in the code.

Signed-off-by: Simon Glass <sjg@chromium.org>
2011-09-04 11:36:15 +02:00

31 lines
1.0 KiB
C

/*
* Copyright (c) 2011 The Chromium OS Authors.
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/* Tegra2 timer functions */
#ifndef _TEGRA2_TIMER_H
#define _TEGRA2_TIMER_H
/* returns the current monotonic timer value in microseconds */
unsigned long timer_get_us(void);
#endif