The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/hpetreg.h

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    1 /* $NetBSD: hpetreg.h,v 1.4 2011/10/31 12:47:15 yamt Exp $ */
    2 
    3 /*
    4  * Copyright (c) 2006 Nicolas Joly
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. The name of the author may not be used to endorse or promote products
   16  *    derived from this software without specific prior written permission.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS
   19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   28  * POSSIBILITY OF SUCH DAMAGE.
   29  */
   30 
   31 #ifndef _DEV_IC_HPETREG_H_
   32 #define _DEV_IC_HPETREG_H_
   33 
   34 #define HPET_WINDOW_SIZE        0x400
   35 
   36 #define HPET_INFO               0x00
   37 #define HPET_INFO_64BITS                0x2000
   38 #define HPET_PERIOD             0x04
   39 #define HPET_PERIOD_MAX                 100000000
   40 #define HPET_CONFIG             0x10
   41 #define HPET_CONFIG_ENABLE              0x0001
   42 #define HPET_CONFIG_LEGRTCNF            0x0002
   43 #define HPET_MCOUNT_LO          0xf0
   44 #define HPET_MCOUNT_HI          0xf4
   45 #define HPET_INT_STATUS         0x20
   46 #define HPET_INT_STS_TIMER0             0x00000001
   47 #define HPET_INT_STS_TIMER1             0x00000002
   48 #define HPET_INT_STS_TIMER2             0x00000004
   49 
   50 #define HPET_TIMER_USE_LEVEL_INTR       0x00000002
   51 #define HPET_TIMER_ENABLE_INTR          0x00000004
   52 #define HPET_TIMER_IS_PERIODIC_INTR     0x00000008
   53 #define HPET_TIMER_HAS_PERIODIC_INTR    0x00000010
   54 #define HPET_TIMER_INTR_SHIFT           9
   55 
   56 #define HPET_TIMER0_CONFIG      0x0100
   57 #define HPET_TIMER0_INTCAP      0x0104
   58 #define HPET_TIMER0_CMPREG_LO   0x0108
   59 #define HPET_TIMER0_CMPREG_HI   0x010C
   60 
   61 #define HPET_TIMER1_CONFIG      0x0120
   62 #define HPET_TIMER1_INTCAP      0x0124
   63 #define HPET_TIMER1_CMPREG_LO   0x0128
   64 #define HPET_TIMER1_CMPREG_HI   0x012C
   65 
   66 #define HPET_TIMER2_CONFIG      0x0140
   67 #define HPET_TIMER2_INTCAP      0x0144
   68 #define HPET_TIMER2_CMPREG_LO   0x0148
   69 #define HPET_TIMER2_CMPREG_HI   0x014C
   70 
   71 #endif /* _DEV_IC_HPETREG_H_ */

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