50a9f1c71c
This fine work was done by Yohanes Nugroho <yohanes a gmail dot com> Many thanks to John Nicholls and Thinlinx for providing sample hardware.
46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
/*-
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* Copyright (c) 2009 Sylvestre Gallon. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* $FreeBSD$ */
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#ifndef ARM_AT91_AT91PITREG_H
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#define ARM_AT91_AT91PITREG_H
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#define PIT_MR 0x0
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#define PIT_SR 0x4
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#define PIT_PIVR 0x8
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#define PIT_PIIR 0xc
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/* PIT_MR */
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#define PIT_PIV(x) (x & 0xfffff) /* periodic interval value */
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#define PIT_CNT(x) ((x >>20) & 0xfff) /* periodic interval counter */
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#define PIT_EN (1 << 24) /* pit enable */
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#define PIT_IEN (1 << 25) /* pit interrupt enable */
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/* PIT_SR */
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#define PIT_PITS_DONE 1 /* interrupt done */
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#endif /* ARM_AT91_AT91PITREG_H */
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