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/*
* arch/arm/mach-at91/include/mach/at91_st.h
*
* Copyright (C) 2005 Ivan Kokshaysky
* Copyright (C) SAN People
*
* System Timer (ST) - System peripherals registers.
* Based on AT91RM9200 datasheet revision E.
*
* 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.
*/
#ifndef AT91_ST_H
#define AT91_ST_H
#ifndef __ASSEMBLY__
extern void __iomem *at91_st_base;
#define at91_st_read(field) \
__raw_readl(at91_st_base + field)
#define at91_st_write(field, value) \
__raw_writel(value, at91_st_base + field);
#else
.extern at91_st_base
#endif
#define AT91_ST_CR 0x00 /* Control Register */
#define AT91_ST_WDRST (1 << 0) /* Watchdog Timer Restart */
#define AT91_ST_PIMR 0x04 /* Period Interval Mode Register */
#define AT91_ST_PIV (0xffff << 0) /* Period Interval Value */
#define AT91_ST_WDMR 0x08 /* Watchdog Mode Register */
#define AT91_ST_WDV (0xffff << 0) /* Watchdog Counter Value */
#define AT91_ST_RSTEN (1 << 16) /* Reset Enable */
#define AT91_ST_EXTEN (1 << 17) /* External Signal Assertion Enable */
#define AT91_ST_RTMR 0x0c /* Real-time Mode Register */
#define AT91_ST_RTPRES (0xffff << 0) /* Real-time Prescalar Value */
#define AT91_ST_SR 0x10 /* Status Register */
#define AT91_ST_PITS (1 << 0) /* Period Interval Timer Status */
#define AT91_ST_WDOVF (1 << 1) /* Watchdog Overflow */
#define AT91_ST_RTTINC (1 << 2) /* Real-time Timer Increment */
#define AT91_ST_ALMS (1 << 3) /* Alarm Status */
#define AT91_ST_IER 0x14 /* Interrupt Enable Register */
#define AT91_ST_IDR 0x18 /* Interrupt Disable Register */
#define AT91_ST_IMR 0x1c /* Interrupt Mask Register */
#define AT91_ST_RTAR 0x20 /* Real-time Alarm Register */
#define AT91_ST_ALMV (0xfffff << 0) /* Alarm Value */
#define AT91_ST_CRTR 0x24 /* Current Real-time Register */
#define AT91_ST_CRTV (0xfffff << 0) /* Current Real-Time Value */
#endif
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