From 39d3416f0afc43d56fc47b74c75388580033c3bb Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 30 Aug 2011 06:23:12 +0000 Subject: 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 --- arch/arm/include/asm/arch-tegra2/timer.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 arch/arm/include/asm/arch-tegra2/timer.h (limited to 'arch/arm/include') diff --git a/arch/arm/include/asm/arch-tegra2/timer.h b/arch/arm/include/asm/arch-tegra2/timer.h new file mode 100644 index 0000000000..adefa2c6c1 --- /dev/null +++ b/arch/arm/include/asm/arch-tegra2/timer.h @@ -0,0 +1,30 @@ +/* + * 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 -- cgit