nexus.h revision 1.19
1 /* $NetBSD: nexus.h,v 1.19 2001/05/16 05:36:57 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 #include <machine/bus.h> 42 43 #ifdef _KERNEL 44 #include "opt_cputype.h" 45 #endif 46 /* 47 * Different definitions for nicer autoconf probing. 48 */ 49 enum bustypes { 50 VAX_SBIBUS, /* SBI parent (780) */ 51 VAX_CMIBUS, /* CMI backplane (750) */ 52 VAX_UNIBUS, /* Direct backplane (730) */ 53 VAX_ABUS, /* SBI placeholder (8600) */ 54 VAX_BIBUS, /* BI bus (8200) */ 55 VAX_NBIBUS, /* NBI backplane (8800) */ 56 VAX_VSBUS, /* Virtual vaxstation bus */ 57 VAX_IBUS, /* Internal Microvax bus */ 58 VAX_XMIBUS, /* XMI master bus (6000) */ 59 }; 60 /* 61 * Information about nexus's. 62 * 63 * Each machine has an address of backplane slots (nexi). 64 * Each nexus is some type of adapter, whose code is the low 65 * byte of the first word of the adapter address space. 66 * At boot time the system looks through the array of available 67 * slots and finds the interconnects for the machine. 68 */ 69 #define IO_CMI750 2 70 #define MAXNMCR 1 71 72 #define NNEXSBI 16 73 #if VAX8600 || VAXANY 74 #define NNEX8600 NNEXSBI 75 #define NEXA8600 ((struct nexus *)(0x20000000)) 76 #define NEXB8600 ((struct nexus *)(0x22000000)) 77 #endif 78 #if VAX780 || VAXANY 79 #define NNEX780 NNEXSBI 80 #define NEX780 ((struct nexus *)0x20000000) 81 #endif 82 #if VAX730 || VAXANY 83 #define NNEX730 NNEXSBI 84 #define NEX730 ((struct nexus *)0xf20000) 85 #endif 86 #define NEXSIZE 0x2000 87 88 #if VAX8600 || VAXANY 89 #define MAXNNEXUS (2 * NNEXSBI) 90 #else 91 #define MAXNNEXUS NNEXSBI 92 #endif 93 94 #ifdef _KERNEL 95 96 struct nexus { 97 union nexcsr { 98 long nex_csr; 99 u_char nex_type; 100 } nexcsr; 101 long nex_pad[NEXSIZE / sizeof (long) - 1]; 102 }; 103 104 struct sbi_attach_args { 105 int sa_nexnum; /* This nexus TR number */ 106 int sa_type; /* This nexus type */ 107 bus_space_tag_t sa_iot; 108 bus_space_handle_t sa_ioh; 109 }; 110 111 /* Memory device struct. This should be somewhere else */ 112 struct mem_softc { 113 struct device sc_dev; 114 caddr_t sc_memaddr; 115 int sc_memtype; 116 int sc_memnr; 117 }; 118 119 struct bp_conf { 120 char *type; 121 int num; 122 int partyp; 123 int bp_addr; 124 }; 125 126 #endif 127 128 /* 129 * Bits in high word of nexus's. 130 */ 131 #define SBI_PARFLT (1<<31) /* sbi parity fault */ 132 #define SBI_WSQFLT (1<<30) /* write sequence fault */ 133 #define SBI_URDFLT (1<<29) /* unexpected read data fault */ 134 #define SBI_ISQFLT (1<<28) /* interlock sequence fault */ 135 #define SBI_MXTFLT (1<<27) /* multiple transmitter fault */ 136 #define SBI_XMTFLT (1<<26) /* transmit fault */ 137 138 #define NEX_CFGFLT (0xfc000000) 139 140 #ifndef _LOCORE 141 #if VAX780 || VAX8600 || VAXANY 142 #define NEXFLT_BITS \ 143 "\20\40PARFLT\37WSQFLT\36URDFLT\35ISQFLT\34MXTFLT\33XMTFLT" 144 #endif 145 #endif 146 147 #define NEX_APD (1<<23) /* adaptor power down */ 148 #define NEX_APU (1<<22) /* adaptor power up */ 149 150 #define MBA_OT (1<<21) /* overtemperature */ 151 152 #define UBA_UBINIT (1<<18) /* unibus init */ 153 #define UBA_UBPDN (1<<17) /* unibus power down */ 154 #define UBA_UBIC (1<<16) /* unibus initialization complete */ 155 156 /* 157 * Types for nex_type. 158 */ 159 #define NEX_ANY 0 /* pseudo for handling 11/750 */ 160 #define NEX_MEM4 0x08 /* 4K chips, non-interleaved mem */ 161 #define NEX_MEM4I 0x09 /* 4K chips, interleaved mem */ 162 #define NEX_MEM16 0x10 /* 16K chips, non-interleaved mem */ 163 #define NEX_MEM16I 0x11 /* 16K chips, interleaved mem */ 164 #define NEX_MBA 0x20 /* Massbus adaptor */ 165 #define NEX_UBA0 0x28 /* Unibus adaptor */ 166 #define NEX_UBA1 0x29 /* 4 flavours for 4 addr spaces */ 167 #define NEX_UBA2 0x2a 168 #define NEX_UBA3 0x2b 169 #define NEX_DR32 0x30 /* DR32 user i'face to SBI */ 170 #define NEX_CI 0x38 /* CI adaptor */ 171 #define NEX_MPM0 0x40 /* Multi-port mem */ 172 #define NEX_MPM1 0x41 /* Who knows why 4 different ones ? */ 173 #define NEX_MPM2 0x42 174 #define NEX_MPM3 0x43 175 #define NEX_MEM64L 0x68 /* 64K chips, non-interleaved, lower */ 176 #define NEX_MEM64LI 0x69 /* 64K chips, ext-interleaved, lower */ 177 #define NEX_MEM64U 0x6a /* 64K chips, non-interleaved, upper */ 178 #define NEX_MEM64UI 0x6b /* 64K chips, ext-interleaved, upper */ 179 #define NEX_MEM64I 0x6c /* 64K chips, interleaved */ 180 #define NEX_MEM256L 0x70 /* 256K chips, non-interleaved, lower */ 181 #define NEX_MEM256LI 0x71 /* 256K chips, ext-interleaved, lower */ 182 #define NEX_MEM256U 0x72 /* 256K chips, non-interleaved, upper */ 183 #define NEX_MEM256UI 0x73 /* 256K chips, ext-interleaved, upper */ 184 #define NEX_MEM256I 0x74 /* 256K chips, interleaved */ 185 186 /* Memory classes */ 187 #define M_NONE 0 188 #define M780C 1 189 #define M780EL 2 190 #define M780EU 3 191 192 /* Memory recover defines */ 193 #define MCHK_PANIC -1 194 #define MCHK_RECOVERED 0 195 196 #endif /* _VAX_NEXUS_H_ */ 197
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