asm/mach-rc32434/timer.h

0001 /*
0002  *  Definitions for timer registers
0003  *
0004  *  Copyright 2004 Philip Rischel <rischelp@idt.com>
0005  *  Copyright 2008 Florian Fainelli <florian@openwrt.org>
0006  *
0007  *  This program is free software; you can redistribute  it and/or modify it
0008  *  under  the terms of  the GNU General  Public License as published by the
0009  *  Free Software Foundation;  either version 2 of the  License, or (at your
0010  *  option) any later version.
0011  *
0012  *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
0013  *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
0014  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
0015  *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
0016  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
0017  *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
0018  *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
0019  *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
0020  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
0021  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0022  *
0023  *  You should have received a copy of the  GNU General Public License along
0024  *  with this program; if not, write  to the Free Software Foundation, Inc.,
0025  *  675 Mass Ave, Cambridge, MA 02139, USA.
0026  *
0027  */
0028
0029 #ifndef __ASM_RC32434_TIMER_H
0030 #define __ASM_RC32434_TIMER_H
0031
0032 #include <asm/mach-rc32434/rb.h>
0033
0034 #define TIMER0_BASE_ADDR        0x18028000
0035 #define TIMER_COUNT         3
0036
0037 struct timer_counter {
0038     u32 count;
0039     u32 compare;
0040     u32 ctc;        /*use CTC_ */
0041 };
0042
0043 struct timer {
0044     struct timer_counter tim[TIMER_COUNT];
0045     u32 rcount; /* use RCOUNT_ */
0046     u32 rcompare;   /* use RCOMPARE_ */
0047     u32 rtc;    /* use RTC_ */
0048 };
0049
0050 #define RC32434_CTC_EN_BIT      0
0051 #define RC32434_CTC_TO_BIT      1
0052
0053 /* Real time clock registers */
0054 #define RC32434_RTC_MSK(x)      BIT_TO_MASK(x)
0055 #define RC32434_RTC_CE_BIT      0
0056 #define RC32434_RTC_TO_BIT      1
0057 #define RC32434_RTC_RQE_BIT     2
0058
0059 /* Counter registers */
0060 #define RC32434_RCOUNT_BIT      0
0061 #define RC32434_RCOUNT_MSK      0x0000ffff
0062 #define RC32434_RCOMP_BIT       0
0063 #define RC32434_RCOMP_MSK       0x0000ffff
0064
0065 #endif  /* __ASM_RC32434_TIMER_H */