sys/arch/x86/include/i82093reg.h

   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  *
  21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 /*
  35  * Typically, the first apic lives here.
  36  */
  37 #define IOAPIC_BASE_DEFAULT     0xfec00000
  38
  39 /*
  40  * Memory-space registers.
  41  */
  42
  43 /*
  44  * The externally visible registers are all 32 bits wide;
  45  * store the register number of interest in IOAPIC_REG, and store/fetch
  46  * the real value in IOAPIC_DATA.
  47  */
  48
  49
  50
  51 #define IOAPIC_REG              0x0000
  52 #define IOAPIC_DATA             0x0010
  53
  54 /*
  55  * Internal I/O APIC registers.
  56  */
  57
  58 #define IOAPIC_ID               0x00
  59
  60 #define         IOAPIC_ID_SHIFT         24
  61 #define         IOAPIC_ID_MASK          0x0f000000
  62
  63 /* Version, and maximum interrupt pin number. */
  64
  65 #define IOAPIC_VER              0x01
  66
  67 #define         IOAPIC_VER_SHIFT                0
  68 #define         IOAPIC_VER_MASK                 0x000000ff
  69
  70 #define         IOAPIC_MAX_SHIFT                16
  71 #define         IOAPIC_MAX_MASK         0x00ff0000
  72
  73 /*
  74  * Arbitration ID.  Same format as IOAPIC_ID register.
  75  */
  76 #define IOAPIC_ARB              0x02
  77
  78 /*
  79  * Redirection table registers.
  80  */
  81
  82 #define IOAPIC_REDHI(pin)       (0x11 + ((pin)<<1))
  83 #define IOAPIC_REDLO(pin)       (0x10 + ((pin)<<1))
  84
  85 #define IOAPIC_REDHI_DEST_SHIFT         24         /* destination. */
  86 #define IOAPIC_REDHI_DEST_MASK          0xff000000
  87
  88 #define IOAPIC_REDLO_MASK               0x00010000 /* 0=enabled; 1=masked */
  89
  90 #define IOAPIC_REDLO_LEVEL              0x00008000 /* 0=edge, 1=level */
  91 #define IOAPIC_REDLO_RIRR               0x00004000 /* remote IRR; read only */
  92 #define IOAPIC_REDLO_ACTLO              0x00002000 /* 0=act. hi; 1=act. lo */
  93 #define IOAPIC_REDLO_DELSTS             0x00001000 /* 0=idle; 1=send pending */
  94 #define IOAPIC_REDLO_DSTMOD             0x00000800 /* 0=physical; 1=logical */
  95
  96 #define IOAPIC_REDLO_DEL_MASK           0x00000700 /* del. mode mask */
  97 #define IOAPIC_REDLO_DEL_SHIFT          8
  98
  99 #define IOAPIC_REDLO_DEL_FIXED          0
 100 #define IOAPIC_REDLO_DEL_LOPRI          1
 101 #define IOAPIC_REDLO_DEL_SMI            2
 102 #define IOAPIC_REDLO_DEL_NMI            4
 103 #define IOAPIC_REDLO_DEL_INIT           5
 104 #define IOAPIC_REDLO_DEL_EXTINT         7
 105
 106 #define IOAPIC_REDLO_VECTOR_MASK        0x000000ff /* delivery vector */
 107
 108 #define IMCR_ADDR               0x22
 109 #define IMCR_DATA               0x23
 110
 111 #define IMCR_REGISTER           0x70
 112 #define         IMCR_PIC        0x00
 113 #define         IMCR_APIC       0x01