timer.h revision 7034228792cc561e79ff8600f02884bd4c80e287 
1/*
2 *  Definitions for timer registers
3 *
4 *  Copyright 2004 Philip Rischel <rischelp@idt.com>
5 *  Copyright 2008 Florian Fainelli <florian@openwrt.org>
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
29#ifndef __ASM_RC32434_TIMER_H
30#define __ASM_RC32434_TIMER_H
31
32#include <asm/mach-rc32434/rb.h>
33
34#define TIMER0_BASE_ADDR		0x18028000
35#define TIMER_COUNT			3
36
37struct timer_counter {
38	u32 count;
39	u32 compare;
40	u32 ctc;		/*use CTC_ */
41};
42
43struct timer {
44	struct timer_counter tim[TIMER_COUNT];
45	u32 rcount;	/* use RCOUNT_ */
46	u32 rcompare;	/* use RCOMPARE_ */
47	u32 rtc;	/* use RTC_ */
48};
49
50#define RC32434_CTC_EN_BIT		0
51#define RC32434_CTC_TO_BIT		1
52
53/* Real time clock registers */
54#define RC32434_RTC_MSK(x)		BIT_TO_MASK(x)
55#define RC32434_RTC_CE_BIT		0
56#define RC32434_RTC_TO_BIT		1
57#define RC32434_RTC_RQE_BIT		2
58
59/* Counter registers */
60#define RC32434_RCOUNT_BIT		0
61#define RC32434_RCOUNT_MSK		0x0000ffff
62#define RC32434_RCOMP_BIT		0
63#define RC32434_RCOMP_MSK		0x0000ffff
64
65#endif	/* __ASM_RC32434_TIMER_H */
66