linux-sg2042/arch/mips/include/asm/mach-rc32434/timer.h

66 lines
2.2 KiB
C

/*
* Definitions for timer registers
*
* Copyright 2004 Philip Rischel <rischelp@idt.com>
* Copyright 2008 Florian Fainelli <florian@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __ASM_RC32434_TIMER_H
#define __ASM_RC32434_TIMER_H
#include <asm/mach-rc32434/rb.h>
#define TIMER0_BASE_ADDR 0x18028000
#define TIMER_COUNT 3
struct timer_counter {
u32 count;
u32 compare;
u32 ctc; /*use CTC_ */
};
struct timer {
struct timer_counter tim[TIMER_COUNT];
u32 rcount; /* use RCOUNT_ */
u32 rcompare; /* use RCOMPARE_ */
u32 rtc; /* use RTC_ */
};
#define RC32434_CTC_EN_BIT 0
#define RC32434_CTC_TO_BIT 1
/* Real time clock registers */
#define RC32434_RTC_MSK(x) BIT_TO_MASK(x)
#define RC32434_RTC_CE_BIT 0
#define RC32434_RTC_TO_BIT 1
#define RC32434_RTC_RQE_BIT 2
/* Counter registers */
#define RC32434_RCOUNT_BIT 0
#define RC32434_RCOUNT_MSK 0x0000ffff
#define RC32434_RCOMP_BIT 0
#define RC32434_RCOMP_MSK 0x0000ffff
#endif /* __ASM_RC32434_TIMER_H */