1/* 2 * arch/arm/mach-at91/include/mach/at91_pit.h 3 * 4 * Copyright (C) 2007 Andrew Victor 5 * Copyright (C) 2007 Atmel Corporation. 6 * 7 * Periodic Interval Timer (PIT) - System peripherals regsters. 8 * Based on AT91SAM9261 datasheet revision D. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 */ 15 16#ifndef AT91_PIT_H 17#define AT91_PIT_H 18 19#define AT91_PIT_MR (AT91_PIT + 0x00) /* Mode Register */ 20#define AT91_PIT_PITIEN (1 << 25) /* Timer Interrupt Enable */ 21#define AT91_PIT_PITEN (1 << 24) /* Timer Enabled */ 22#define AT91_PIT_PIV (0xfffff) /* Periodic Interval Value */ 23 24#define AT91_PIT_SR (AT91_PIT + 0x04) /* Status Register */ 25#define AT91_PIT_PITS (1 << 0) /* Timer Status */ 26 27#define AT91_PIT_PIVR (AT91_PIT + 0x08) /* Periodic Interval Value Register */ 28#define AT91_PIT_PIIR (AT91_PIT + 0x0c) /* Periodic Interval Image Register */ 29#define AT91_PIT_PICNT (0xfff << 20) /* Interval Counter */ 30#define AT91_PIT_CPIV (0xfffff) /* Inverval Value */ 31 32#endif 33