sys/arch/vax/include/nexus.h

   1 /*      $NetBSD: nexus.h,v 1.24 2007/03/04 06:00:57 christos 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. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)nexus.h     7.3 (Berkeley) 5/9/91
  32  */
  33
  34 #ifndef _VAX_NEXUS_H_
  35 #define _VAX_NEXUS_H_
  36
  37 #include <machine/bus.h>
  38
  39 #ifdef _KERNEL
  40 #include "opt_cputype.h"
  41 #endif
  42 /*
  43  * Different definitions for nicer autoconf probing.
  44  */
  45 enum bustypes {
  46         VAX_SBIBUS,             /* SBI parent (780) */
  47         VAX_CMIBUS,             /* CMI backplane (750) */
  48         VAX_UNIBUS,             /* Direct backplane (730) */
  49         VAX_ABUS,               /* SBI placeholder (8600) */
  50         VAX_BIBUS,              /* BI bus (8200) */
  51         VAX_NMIBUS,             /* NMI backplane (8800) */
  52         VAX_VSBUS,              /* Virtual vaxstation bus */
  53         VAX_IBUS,               /* Internal Microvax bus */
  54         VAX_XMIBUS,             /* XMI master bus (6000) */
  55 };
  56 /*
  57  * Information about nexus's.
  58  *
  59  * Each machine has an address of backplane slots (nexi).
  60  * Each nexus is some type of adapter, whose code is the low
  61  * byte of the first word of the adapter address space.
  62  * At boot time the system looks through the array of available
  63  * slots and finds the interconnects for the machine.
  64  */
  65 #define IO_CMI750       2
  66 #define MAXNMCR         1
  67
  68 #define NNEXSBI         16
  69 #if VAX8600 || VAXANY
  70 #define NNEX8600        NNEXSBI
  71 #define NEXA8600        ((struct nexus *)(0x20000000))
  72 #define NEXB8600        ((struct nexus *)(0x22000000))
  73 #endif
  74 #if VAX780 || VAXANY
  75 #define NNEX780 NNEXSBI
  76 #define NEX780  ((struct nexus *)0x20000000)
  77 #endif
  78 #if VAX730 || VAXANY
  79 #define NNEX730 NNEXSBI
  80 #define NEX730  ((struct nexus *)0xf20000)
  81 #endif
  82 #define NEXSIZE 0x2000
  83
  84 #if VAX8600 || VAXANY
  85 #define MAXNNEXUS (2 * NNEXSBI)
  86 #else
  87 #define MAXNNEXUS NNEXSBI
  88 #endif
  89
  90 #ifdef _KERNEL
  91
  92 struct  nexus {
  93         union nexcsr {
  94                 long    nex_csr;
  95                 u_char  nex_type;
  96         } nexcsr;
  97         long    nex_pad[NEXSIZE / sizeof (long) - 1];
  98 };
  99
 100 struct sbi_attach_args {
 101         int sa_nexnum;          /* This nexus TR number */
 102         int sa_type;            /* This nexus type */
 103         int sa_sbinum;
 104         bus_space_tag_t sa_iot;
 105         bus_space_handle_t sa_ioh;
 106         bus_dma_tag_t sa_dmat;
 107 };
 108
 109 /* Memory device struct. This should be somewhere else */
 110 struct mem_softc {
 111         struct  device *sc_dev;
 112         void *  sc_memaddr;
 113         int     sc_memtype;
 114         int     sc_memnr;
 115 };
 116
 117 struct ibus_attach_args {
 118         const char *ia_type;
 119         int ia_num;
 120         int ia_partyp;
 121         paddr_t ia_addr;
 122 };
 123 #endif
 124
 125 /*
 126  * Bits in high word of nexus's.
 127  */
 128 #define SBI_PARFLT      (1<<31)         /* sbi parity fault */
 129 #define SBI_WSQFLT      (1<<30)         /* write sequence fault */
 130 #define SBI_URDFLT      (1<<29)         /* unexpected read data fault */
 131 #define SBI_ISQFLT      (1<<28)         /* interlock sequence fault */
 132 #define SBI_MXTFLT      (1<<27)         /* multiple transmitter fault */
 133 #define SBI_XMTFLT      (1<<26)         /* transmit fault */
 134
 135 #define NEX_CFGFLT      (0xfc000000)
 136
 137 #ifndef _LOCORE
 138 #if VAX780 || VAX8600 || VAXANY
 139 #define NEXFLT_BITS \
 140 "\20\40PARFLT\37WSQFLT\36URDFLT\35ISQFLT\34MXTFLT\33XMTFLT"
 141 #endif
 142 #endif
 143
 144 #define NEX_APD         (1<<23)         /* adaptor power down */
 145 #define NEX_APU         (1<<22)         /* adaptor power up */
 146
 147 #define MBA_OT          (1<<21)         /* overtemperature */
 148
 149 #define UBA_UBINIT      (1<<18)         /* unibus init */
 150 #define UBA_UBPDN       (1<<17)         /* unibus power down */
 151 #define UBA_UBIC        (1<<16)         /* unibus initialization complete */
 152
 153 /*
 154  * Types for nex_type.
 155  */
 156 #define NEX_ANY         0               /* pseudo for handling 11/750 */
 157 #define NEX_MEM4        0x08            /* 4K chips, non-interleaved mem */
 158 #define NEX_MEM4I       0x09            /* 4K chips, interleaved mem */
 159 #define NEX_MEM16       0x10            /* 16K chips, non-interleaved mem */
 160 #define NEX_MEM16I      0x11            /* 16K chips, interleaved mem */
 161 #define NEX_MBA         0x20            /* Massbus adaptor */
 162 #define NEX_UBA0        0x28            /* Unibus adaptor */
 163 #define NEX_UBA1        0x29            /* 4 flavours for 4 addr spaces */
 164 #define NEX_UBA2        0x2a
 165 #define NEX_UBA3        0x2b
 166 #define NEX_DR32        0x30            /* DR32 user i'face to SBI */
 167 #define NEX_CI          0x38            /* CI adaptor */
 168 #define NEX_MPM0        0x40            /* Multi-port mem */
 169 #define NEX_MPM1        0x41            /* Who knows why 4 different ones ? */
 170 #define NEX_MPM2        0x42
 171 #define NEX_MPM3        0x43
 172 #define NEX_MEM64L      0x68            /* 64K chips, non-interleaved, lower */
 173 #define NEX_MEM64LI     0x69            /* 64K chips, ext-interleaved, lower */
 174 #define NEX_MEM64U      0x6a            /* 64K chips, non-interleaved, upper */
 175 #define NEX_MEM64UI     0x6b            /* 64K chips, ext-interleaved, upper */
 176 #define NEX_MEM64I      0x6c            /* 64K chips, interleaved */
 177 #define NEX_MEM256L     0x70            /* 256K chips, non-interleaved, lower */
 178 #define NEX_MEM256LI    0x71            /* 256K chips, ext-interleaved, lower */
 179 #define NEX_MEM256U     0x72            /* 256K chips, non-interleaved, upper */
 180 #define NEX_MEM256UI    0x73            /* 256K chips, ext-interleaved, upper */
 181 #define NEX_MEM256I     0x74            /* 256K chips, interleaved */
 182
 183 /* Memory classes */
 184 #define M_NONE          0
 185 #define M780C           1
 186 #define M780EL          2
 187 #define M780EU          3
 188
 189 /* Memory recover defines */
 190 #define MCHK_PANIC      -1
 191 #define MCHK_RECOVERED  0
 192
 193 #endif /* _VAX_NEXUS_H_ */