nexus.h revision 1.10
1 /* $NetBSD: nexus.h,v 1.10 1996/03/02 14:27:53 ragge 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 * Information about nexus's. 42 * 43 * Each machine has an address of backplane slots (nexi). 44 * Each nexus is some type of adapter, whose code is the low 45 * byte of the first word of the adapter address space. 46 * At boot time the system looks through the array of available 47 * slots and finds the interconnects for the machine. 48 */ 49 #define IO_CMI750 2 50 #define MAXNMCR 1 51 52 #define NNEXSBI 16 53 #if VAX8600 54 #define NNEX8600 NNEXSBI 55 #define NEXA8600 ((struct nexus *)(0x20000000)) 56 #define NEXB8600 ((struct nexus *)(0x22000000)) 57 #endif 58 #if VAX780 59 #define NNEX780 NNEXSBI 60 #define NEX780 ((struct nexus *)0x20000000) 61 #endif 62 #if VAX730 63 #define NNEX730 NNEXSBI 64 #define NEX730 ((struct nexus *)0xf20000) 65 #endif 66 #if VAX630 67 #define NNEX630 1 68 #define NEX630 ((struct nexus *)0x20088000) 69 #endif 70 #define NEXSIZE 0x2000 71 72 #if VAX8600 73 #define MAXNNEXUS (2 * NNEXSBI) 74 #else 75 #define MAXNNEXUS NNEXSBI 76 #endif 77 78 #ifndef _LOCORE 79 80 #include <sys/types.h> 81 82 struct nexus { 83 union nexcsr { 84 long nex_csr; 85 u_char nex_type; 86 } nexcsr; 87 long nex_pad[NEXSIZE / sizeof (long) - 1]; 88 }; 89 90 struct sbi_attach_args { 91 u_int nexnum; /* This nexus TR number */ 92 u_int type; /* This nexus type */ 93 int nexinfo; /* Some info sent between attach & match */ 94 void *nexaddr; /* Virtual address of this nexus */ 95 }; 96 97 /* Memory device struct. This should be somewhere else */ 98 struct mem_softc { 99 struct device sc_dev; 100 caddr_t sc_memaddr; 101 int sc_memtype; 102 int sc_memnr; 103 }; 104 105 struct iobus { 106 int io_type; 107 int io_addr; 108 int io_size; 109 int io_details; 110 }; 111 112 struct nexusconnect { 113 int psb_nnexus; 114 struct nexus *psb_nexbase; 115 int psb_ubatype; 116 int psb_nubabdp; 117 caddr_t *psb_umaddr; 118 int *psb_nextype; 119 }; 120 121 extern caddr_t *nex_vec; 122 #define nex_vec_num(ipl, nexnum) nex_vec[(ipl-14)*16+nexnum] 123 124 #endif 125 126 /* 127 * Bits in high word of nexus's. 128 */ 129 #define SBI_PARFLT (1<<31) /* sbi parity fault */ 130 #define SBI_WSQFLT (1<<30) /* write sequence fault */ 131 #define SBI_URDFLT (1<<29) /* unexpected read data fault */ 132 #define SBI_ISQFLT (1<<28) /* interlock sequence fault */ 133 #define SBI_MXTFLT (1<<27) /* multiple transmitter fault */ 134 #define SBI_XMTFLT (1<<26) /* transmit fault */ 135 136 #define NEX_CFGFLT (0xfc000000) 137 138 #ifndef _LOCORE 139 #if defined(VAX780) || defined(VAX8600) 140 #define NEXFLT_BITS \ 141 "\20\40PARFLT\37WSQFLT\36URDFLT\35ISQFLT\34MXTFLT\33XMTFLT" 142 #endif 143 #endif 144 145 #define NEX_APD (1<<23) /* adaptor power down */ 146 #define NEX_APU (1<<22) /* adaptor power up */ 147 148 #define MBA_OT (1<<21) /* overtemperature */ 149 150 #define UBA_UBINIT (1<<18) /* unibus init */ 151 #define UBA_UBPDN (1<<17) /* unibus power down */ 152 #define UBA_UBIC (1<<16) /* unibus initialization complete */ 153 154 /* 155 * Types for nex_type. 156 */ 157 #define NEX_ANY 0 /* pseudo for handling 11/750 */ 158 #define NEX_MEM4 0x08 /* 4K chips, non-interleaved mem */ 159 #define NEX_MEM4I 0x09 /* 4K chips, interleaved mem */ 160 #define NEX_MEM16 0x10 /* 16K chips, non-interleaved mem */ 161 #define NEX_MEM16I 0x11 /* 16K chips, interleaved mem */ 162 #define NEX_MBA 0x20 /* Massbus adaptor */ 163 #define NEX_UBA0 0x28 /* Unibus adaptor */ 164 #define NEX_UBA1 0x29 /* 4 flavours for 4 addr spaces */ 165 #define NEX_UBA2 0x2a 166 #define NEX_UBA3 0x2b 167 #define NEX_DR32 0x30 /* DR32 user i'face to SBI */ 168 #define NEX_CI 0x38 /* CI adaptor */ 169 #define NEX_MPM0 0x40 /* Multi-port mem */ 170 #define NEX_MPM1 0x41 /* Who knows why 4 different ones ? */ 171 #define NEX_MPM2 0x42 172 #define NEX_MPM3 0x43 173 #define NEX_MEM64L 0x68 /* 64K chips, non-interleaved, lower */ 174 #define NEX_MEM64LI 0x69 /* 64K chips, ext-interleaved, lower */ 175 #define NEX_MEM64U 0x6a /* 64K chips, non-interleaved, upper */ 176 #define NEX_MEM64UI 0x6b /* 64K chips, ext-interleaved, upper */ 177 #define NEX_MEM64I 0x6c /* 64K chips, interleaved */ 178 #define NEX_MEM256L 0x70 /* 256K chips, non-interleaved, lower */ 179 #define NEX_MEM256LI 0x71 /* 256K chips, ext-interleaved, lower */ 180 #define NEX_MEM256U 0x72 /* 256K chips, non-interleaved, upper */ 181 #define NEX_MEM256UI 0x73 /* 256K chips, ext-interleaved, upper */ 182 #define NEX_MEM256I 0x74 /* 256K chips, interleaved */ 183 184 /* Memory classes */ 185 #define M780C 0 186 #define M780EL 1 187 #define M780EU 2 188 189 /* Memory recover defines */ 190 #define MCHK_PANIC -1 191 #define MCHK_RECOVERED 0 192 193 #ifndef _LOCORE 194 struct nexus *nexus; 195 #endif 196 197 #endif /* _VAX_NEXUS_H_ */ 198
Indexes created Mon Sep 29 21:09:56 GMT 2025