nexus.h revision 1.16
1 /* $NetBSD: nexus.h,v 1.16 2000/01/24 02:40:32 matt Exp $ */ 2 3 /*- 4 * Copyright (c) 1982, 1986 The Regents of the University of California. 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)nexus.h 7.3 (Berkeley) 5/9/91 36 */ 37 38 #ifndef _VAX_NEXUS_H_ 39 #define _VAX_NEXUS_H_ 40 41 #ifdef _KERNEL 42 #include "opt_vax8600.h" 43 #include "opt_vax780.h" 44 #include "opt_vax750.h" 45 #include "opt_vax730.h" 46 #endif 47 /* 48 * Different definitions for nicer autoconf probing. 49 */ 50 enum bustypes { 51 VAX_SBIBUS, /* SBI parent (780) */ 52 VAX_CMIBUS, /* CMI backplane (750) */ 53 VAX_UNIBUS, /* Direct backplane (730) */ 54 VAX_ABUS, /* SBI placeholder (8600) */ 55 VAX_BIBUS, /* BI bus (8200) */ 56 VAX_NBIBUS, /* NBI backplane (8800) */ 57 VAX_VSBUS, /* Virtual vaxstation bus */ 58 VAX_IBUS, /* Internal Microvax bus */ 59 VAX_XMIBUS, /* XMI master bus (6000) */ 60 }; 61 /* 62 * Information about nexus's. 63 * 64 * Each machine has an address of backplane slots (nexi). 65 * Each nexus is some type of adapter, whose code is the low 66 * byte of the first word of the adapter address space. 67 * At boot time the system looks through the array of available 68 * slots and finds the interconnects for the machine. 69 */ 70 #define IO_CMI750 2 71 #define MAXNMCR 1 72 73 #define NNEXSBI 16 74 #if VAX8600 75 #define NNEX8600 NNEXSBI 76 #define NEXA8600 ((struct nexus *)(0x20000000)) 77 #define NEXB8600 ((struct nexus *)(0x22000000)) 78 #endif 79 #if VAX780 80 #define NNEX780 NNEXSBI 81 #define NEX780 ((struct nexus *)0x20000000) 82 #endif 83 #if VAX730 84 #define NNEX730 NNEXSBI 85 #define NEX730 ((struct nexus *)0xf20000) 86 #endif 87 #define NEXSIZE 0x2000 88 89 #if VAX8600 90 #define MAXNNEXUS (2 * NNEXSBI) 91 #else 92 #define MAXNNEXUS NNEXSBI 93 #endif 94 95 #ifdef _KERNEL 96 97 struct nexus { 98 union nexcsr { 99 long nex_csr; 100 u_char nex_type; 101 } nexcsr; 102 long nex_pad[NEXSIZE / sizeof (long) - 1]; 103 }; 104 105 struct sbi_attach_args { 106 u_int nexnum; /* This nexus TR number */ 107 u_int type; /* This nexus type */ 108 int nexinfo; /* Some info sent between attach & match */ 109 void *nexaddr; /* Virtual address of this nexus */ 110 }; 111 112 /* Memory device struct. This should be somewhere else */ 113 struct mem_softc { 114 struct device sc_dev; 115 caddr_t sc_memaddr; 116 int sc_memtype; 117 int sc_memnr; 118 }; 119 120 struct bp_conf { 121 char *type; 122 int num; 123 int partyp; 124 int bp_addr; 125 }; 126 127 extern caddr_t *nex_vec; 128 #define nex_vec_num(ipl, nexnum) nex_vec[(ipl-14)*16+nexnum] 129 130 #endif 131 132 /* 133 * Bits in high word of nexus's. 134 */ 135 #define SBI_PARFLT (1<<31) /* sbi parity fault */ 136 #define SBI_WSQFLT (1<<30) /* write sequence fault */ 137 #define SBI_URDFLT (1<<29) /* unexpected read data fault */ 138 #define SBI_ISQFLT (1<<28) /* interlock sequence fault */ 139 #define SBI_MXTFLT (1<<27) /* multiple transmitter fault */ 140 #define SBI_XMTFLT (1<<26) /* transmit fault */ 141 142 #define NEX_CFGFLT (0xfc000000) 143 144 #ifndef _LOCORE 145 #if VAX780 || VAX8600 146 #define NEXFLT_BITS \ 147 "\20\40PARFLT\37WSQFLT\36URDFLT\35ISQFLT\34MXTFLT\33XMTFLT" 148 #endif 149 #endif 150 151 #define NEX_APD (1<<23) /* adaptor power down */ 152 #define NEX_APU (1<<22) /* adaptor power up */ 153 154 #define MBA_OT (1<<21) /* overtemperature */ 155 156 #define UBA_UBINIT (1<<18) /* unibus init */ 157 #define UBA_UBPDN (1<<17) /* unibus power down */ 158 #define UBA_UBIC (1<<16) /* unibus initialization complete */ 159 160 /* 161 * Types for nex_type. 162 */ 163 #define NEX_ANY 0 /* pseudo for handling 11/750 */ 164 #define NEX_MEM4 0x08 /* 4K chips, non-interleaved mem */ 165 #define NEX_MEM4I 0x09 /* 4K chips, interleaved mem */ 166 #define NEX_MEM16 0x10 /* 16K chips, non-interleaved mem */ 167 #define NEX_MEM16I 0x11 /* 16K chips, interleaved mem */ 168 #define NEX_MBA 0x20 /* Massbus adaptor */ 169 #define NEX_UBA0 0x28 /* Unibus adaptor */ 170 #define NEX_UBA1 0x29 /* 4 flavours for 4 addr spaces */ 171 #define NEX_UBA2 0x2a 172 #define NEX_UBA3 0x2b 173 #define NEX_DR32 0x30 /* DR32 user i'face to SBI */ 174 #define NEX_CI 0x38 /* CI adaptor */ 175 #define NEX_MPM0 0x40 /* Multi-port mem */ 176 #define NEX_MPM1 0x41 /* Who knows why 4 different ones ? */ 177 #define NEX_MPM2 0x42 178 #define NEX_MPM3 0x43 179 #define NEX_MEM64L 0x68 /* 64K chips, non-interleaved, lower */ 180 #define NEX_MEM64LI 0x69 /* 64K chips, ext-interleaved, lower */ 181 #define NEX_MEM64U 0x6a /* 64K chips, non-interleaved, upper */ 182 #define NEX_MEM64UI 0x6b /* 64K chips, ext-interleaved, upper */ 183 #define NEX_MEM64I 0x6c /* 64K chips, interleaved */ 184 #define NEX_MEM256L 0x70 /* 256K chips, non-interleaved, lower */ 185 #define NEX_MEM256LI 0x71 /* 256K chips, ext-interleaved, lower */ 186 #define NEX_MEM256U 0x72 /* 256K chips, non-interleaved, upper */ 187 #define NEX_MEM256UI 0x73 /* 256K chips, ext-interleaved, upper */ 188 #define NEX_MEM256I 0x74 /* 256K chips, interleaved */ 189 190 /* Memory classes */ 191 #define M780C 0 192 #define M780EL 1 193 #define M780EU 2 194 195 /* Memory recover defines */ 196 #define MCHK_PANIC -1 197 #define MCHK_RECOVERED 0 198 199 #endif /* _VAX_NEXUS_H_ */ 200
Indexes created Mon Sep 29 21:09:56 GMT 2025