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