36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
/*
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* arch/arm/mach-at91/include/mach/at91_rtt.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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* Real-time Timer (RTT) - 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_RTT_H
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#define AT91_RTT_H
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#define AT91_RTT_MR 0x00 /* Real-time Mode Register */
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#define AT91_RTT_RTPRES (0xffff << 0) /* Real-time Timer Prescaler Value */
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#define AT91_RTT_ALMIEN (1 << 16) /* Alarm Interrupt Enable */
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#define AT91_RTT_RTTINCIEN (1 << 17) /* Real Time Timer Increment Interrupt Enable */
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#define AT91_RTT_RTTRST (1 << 18) /* Real Time Timer Restart */
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#define AT91_RTT_AR 0x04 /* Real-time Alarm Register */
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#define AT91_RTT_ALMV (0xffffffff) /* Alarm Value */
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#define AT91_RTT_VR 0x08 /* Real-time Value Register */
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#define AT91_RTT_CRTV (0xffffffff) /* Current Real-time Value */
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#define AT91_RTT_SR 0x0c /* Real-time Status Register */
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#define AT91_RTT_ALMS (1 << 0) /* Real-time Alarm Status */
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#define AT91_RTT_RTTINC (1 << 1) /* Real-time Timer Increment */
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#endif
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