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i82093reg.h revision 1.1 
      1 /* 	$NetBSD: i82093reg.h,v 1.1 2003/02/26 21:26:10 fvdl Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by RedBack Networks Inc.
      9  *
     10  * Author: Bill Sommerfeld
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *        This product includes software developed by the NetBSD
     23  *        Foundation, Inc. and its contributors.
     24  * 4. Neither the name of The NetBSD Foundation nor the names of its
     25  *    contributors may be used to endorse or promote products derived
     26  *    from this software without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     29  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     31  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     32  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     38  * POSSIBILITY OF SUCH DAMAGE.
     39  */
     40 
     41 /*
     42  * Typically, the first apic lives here.
     43  */
     44 #define IOAPIC_BASE_DEFAULT	0xfec00000
     45 
     46 /*
     47  * Memory-space registers.
     48  */
     49 
     50 /*
     51  * The externally visible registers are all 32 bits wide;
     52  * store the register number of interest in IOAPIC_REG, and store/fetch
     53  * the real value in IOAPIC_DATA.
     54  */
     55 
     56 
     57 
     58 #define	IOAPIC_REG		0x0000
     59 #define IOAPIC_DATA		0x0010
     60 
     61 /*
     62  * Internal I/O APIC registers.
     63  */
     64 
     65 #define IOAPIC_ID		0x00
     66 
     67 #define 	IOAPIC_ID_SHIFT		24
     68 #define		IOAPIC_ID_MASK		0x0f000000
     69 
     70 /* Version, and maximum interrupt pin number. */
     71 
     72 #define IOAPIC_VER		0x01
     73 
     74 #define		IOAPIC_VER_SHIFT		0
     75 #define		IOAPIC_VER_MASK			0x000000ff
     76 
     77 #define		IOAPIC_MAX_SHIFT	       	16
     78 #define		IOAPIC_MAX_MASK	       	0x00ff0000
     79 
     80 /*
     81  * Arbitration ID.  Same format as IOAPIC_ID register.
     82  */
     83 #define IOAPIC_ARB		0x02
     84 
     85 /*
     86  * Redirection table registers.
     87  */
     88 
     89 #define IOAPIC_REDHI(pin)	(0x11 + ((pin)<<1))
     90 #define IOAPIC_REDLO(pin)	(0x10 + ((pin)<<1))
     91 
     92 #define IOAPIC_REDHI_DEST_SHIFT		24	   /* destination. */
     93 #define IOAPIC_REDHI_DEST_MASK		0xff000000
     94 
     95 #define IOAPIC_REDLO_MASK		0x00010000 /* 0=enabled; 1=masked */
     96 
     97 #define IOAPIC_REDLO_LEVEL		0x00008000 /* 0=edge, 1=level */
     98 #define IOAPIC_REDLO_RIRR		0x00004000 /* remote IRR; read only */
     99 #define IOAPIC_REDLO_ACTLO		0x00002000 /* 0=act. hi; 1=act. lo */
    100 #define IOAPIC_REDLO_DELSTS		0x00001000 /* 0=idle; 1=send pending */
    101 #define IOAPIC_REDLO_DSTMOD		0x00000800 /* 0=physical; 1=logical */
    102 
    103 #define IOAPIC_REDLO_DEL_MASK		0x00000700 /* del. mode mask */
    104 #define IOAPIC_REDLO_DEL_SHIFT		8
    105 
    106 #define IOAPIC_REDLO_DEL_FIXED		0
    107 #define IOAPIC_REDLO_DEL_LOPRI		1
    108 #define IOAPIC_REDLO_DEL_SMI		2
    109 #define IOAPIC_REDLO_DEL_NMI		4
    110 #define IOAPIC_REDLO_DEL_INIT		5
    111 #define IOAPIC_REDLO_DEL_EXTINT		7
    112 
    113 #define IOAPIC_REDLO_VECTOR_MASK	0x000000ff /* delivery vector */
    114 
    115 #define IMCR_ADDR		0x22
    116 #define IMCR_DATA		0x23
    117 
    118 #define IMCR_REGISTER		0x70
    119 #define		IMCR_PIC	0x00
    120 #define 	IMCR_APIC	0x01
    121