diff options
author | Simon Glass <sjg@chromium.org> | 2011-08-30 06:23:12 +0000 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-09-04 11:36:15 +0200 |
commit | 39d3416f0afc43d56fc47b74c75388580033c3bb (patch) | |
tree | 6622ea8817d17701cd3055f2ac160d5fdf8a3e18 /arch/arm/include/asm/arch-tegra2 | |
parent | 1c8575225825b507573d0cac9c51b3611949ba01 (diff) | |
download | u-boot-imx-39d3416f0afc43d56fc47b74c75388580033c3bb.zip u-boot-imx-39d3416f0afc43d56fc47b74c75388580033c3bb.tar.gz u-boot-imx-39d3416f0afc43d56fc47b74c75388580033c3bb.tar.bz2 |
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>
Diffstat (limited to 'arch/arm/include/asm/arch-tegra2')
-rw-r--r-- | arch/arm/include/asm/arch-tegra2/timer.h | 30 |
1 files changed, 30 insertions, 0 deletions
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 0000000..adefa2c --- /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 |