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
37 struct timer_counter {
38 u32 count;
39 u32 compare;
40 u32 ctc; /*use CTC_ */
41 };
42
43 struct 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 */