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