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at91_pit.h

/*
 * arch/arm/mach-at91/include/mach/at91_pit.h
 *
 * Copyright (C) 2007 Andrew Victor
 * Copyright (C) 2007 Atmel Corporation.
 *
 * Periodic Interval Timer (PIT) - System peripherals regsters.
 * Based on AT91SAM9261 datasheet revision D.
 *
 * 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_PIT_H
#define AT91_PIT_H

#define AT91_PIT_MR           (AT91_PIT + 0x00) /* Mode Register */
#define           AT91_PIT_PITIEN         (1 << 25)         /* Timer Interrupt Enable */
#define           AT91_PIT_PITEN          (1 << 24)         /* Timer Enabled */
#define           AT91_PIT_PIV            (0xfffff)         /* Periodic Interval Value */

#define AT91_PIT_SR           (AT91_PIT + 0x04) /* Status Register */
#define           AT91_PIT_PITS           (1 << 0)          /* Timer Status */

#define AT91_PIT_PIVR         (AT91_PIT + 0x08) /* Periodic Interval Value Register */
#define AT91_PIT_PIIR         (AT91_PIT + 0x0c) /* Periodic Interval Image Register */
#define           AT91_PIT_PICNT          (0xfff << 20)           /* Interval Counter */
#define           AT91_PIT_CPIV           (0xfffff)         /* Inverval Value */

#endif

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