arch/mips/include/asm/mach-rc32434/timer.h

   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 */