diff options
Diffstat (limited to 'include/mach/at91/at91_pit.h')
-rw-r--r-- | include/mach/at91/at91_pit.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/mach/at91/at91_pit.h b/include/mach/at91/at91_pit.h new file mode 100644 index 0000000000..4cdeeb4871 --- /dev/null +++ b/include/mach/at91/at91_pit.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* SPDX-FileCopyrightText: 2007 Andrew Victor */ +/* SPDX-FileCopyrightText: 2007 Atmel Corporation */ + +/* + * [origin: Linux kernel include/asm-arm/arch-at91/at91_pit.h] + * + * Periodic Interval Timer (PIT) - System peripherals regsters. + * Based on AT91SAM9261 datasheet revision D. + */ + +#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 |