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timex.h
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1 /*
2  * arch/arm/plat-omap/include/mach/timex.h
3  *
4  * Copyright (C) 2000 RidgeRun, Inc.
5  * Author: Greg Lonnon <[email protected]>
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License as published by the
9  * Free Software Foundation; either version 2 of the License, or (at your
10  * option) any later version.
11  *
12  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
13  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
14  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
15  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
16  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
17  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
18  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
19  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
20  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
21  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
22  *
23  * You should have received a copy of the GNU General Public License along
24  * with this program; if not, write to the Free Software Foundation, Inc.,
25  * 675 Mass Ave, Cambridge, MA 02139, USA.
26  */
27 
28 #if !defined(__ASM_ARCH_OMAP_TIMEX_H)
29 #define __ASM_ARCH_OMAP_TIMEX_H
30 
31 /*
32  * OMAP 32KHz timer updates time one jiffie at a time from a secondary timer,
33  * and that's why the CLOCK_TICK_RATE is not 32768.
34  */
35 #ifdef CONFIG_OMAP_32K_TIMER
36 #define CLOCK_TICK_RATE (CONFIG_OMAP_32K_TIMER_HZ)
37 #else
38 #define CLOCK_TICK_RATE (HZ * 100000UL)
39 #endif
40 
41 #endif /* __ASM_ARCH_OMAP_TIMEX_H */