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at91_st.h

/*
 * 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

#define     AT91_ST_CR        (AT91_ST + 0x00)  /* Control Register */
#define     AT91_ST_WDRST           (1 << 0)          /* Watchdog Timer Restart */

#define     AT91_ST_PIMR            (AT91_ST + 0x04)  /* Period Interval Mode Register */
#define           AT91_ST_PIV       (0xffff <<  0)          /* Period Interval Value */

#define     AT91_ST_WDMR            (AT91_ST + 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            (AT91_ST + 0x0c)  /* Real-time Mode Register */
#define           AT91_ST_RTPRES          (0xffff <<  0)          /* Real-time Prescalar Value */

#define     AT91_ST_SR        (AT91_ST + 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       (AT91_ST + 0x14)  /* Interrupt Enable Register */
#define     AT91_ST_IDR       (AT91_ST + 0x18)  /* Interrupt Disable Register */
#define     AT91_ST_IMR       (AT91_ST + 0x1c)  /* Interrupt Mask Register */

#define     AT91_ST_RTAR            (AT91_ST + 0x20)  /* Real-time Alarm Register */
#define           AT91_ST_ALMV            (0xfffff << 0)          /* Alarm Value */

#define     AT91_ST_CRTR            (AT91_ST + 0x24)  /* Current Real-time Register */
#define           AT91_ST_CRTV            (0xfffff << 0)          /* Current Real-Time Value */

#endif

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