satip-axe/kernel/arch/arm/mach-at91/include/mach/at91_pit.h
2015-03-26 17:24:57 +01:00

33 lines
1.2 KiB
C

/*
* 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