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32 lines
1.2 KiB
32 lines
1.2 KiB
/*
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* arch/arm/mach-at91/include/mach/at91_pit.h
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*
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* Copyright (C) 2007 Andrew Victor
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* Copyright (C) 2007 Atmel Corporation.
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*
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* Periodic Interval Timer (PIT) - System peripherals regsters.
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* Based on AT91SAM9261 datasheet revision D.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef AT91_PIT_H
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#define AT91_PIT_H
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#define AT91_PIT_MR (AT91_PIT + 0x00) /* Mode Register */
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#define AT91_PIT_PITIEN (1 << 25) /* Timer Interrupt Enable */
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#define AT91_PIT_PITEN (1 << 24) /* Timer Enabled */
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#define AT91_PIT_PIV (0xfffff) /* Periodic Interval Value */
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#define AT91_PIT_SR (AT91_PIT + 0x04) /* Status Register */
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#define AT91_PIT_PITS (1 << 0) /* Timer Status */
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#define AT91_PIT_PIVR (AT91_PIT + 0x08) /* Periodic Interval Value Register */
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#define AT91_PIT_PIIR (AT91_PIT + 0x0c) /* Periodic Interval Image Register */
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#define AT91_PIT_PICNT (0xfff << 20) /* Interval Counter */
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#define AT91_PIT_CPIV (0xfffff) /* Inverval Value */
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#endif
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