| 1 | /* $NetBSD: i82093reg.h,v 1.4 2013/01/26 17:37:39 dyoung 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 |
| 114 | |