diff options
Diffstat (limited to 'arch/arm/mach-at91/include/mach/at91_pit.h')
| -rw-r--r-- | arch/arm/mach-at91/include/mach/at91_pit.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_pit.h b/arch/arm/mach-at91/include/mach/at91_pit.h new file mode 100644 index 00000000..d1f80ad7 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/at91_pit.h @@ -0,0 +1,32 @@ +/* + * 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 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 0x04 /* Status Register */ +#define AT91_PIT_PITS (1 << 0) /* Timer Status */ + +#define AT91_PIT_PIVR 0x08 /* Periodic Interval Value Register */ +#define AT91_PIT_PIIR 0x0c /* Periodic Interval Image Register */ +#define AT91_PIT_PICNT (0xfff << 20) /* Interval Counter */ +#define AT91_PIT_CPIV (0xfffff) /* Inverval Value */ + +#endif |