Annotation of sys/arch/vax/include/nexus.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: nexus.h,v 1.13 2006/08/27 16:55:41 miod Exp $ */
! 2: /* $NetBSD: nexus.h,v 1.17 2000/06/04 17:58:19 ragge Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1982, 1986 The Regents of the University of California.
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. Neither the name of the University nor the names of its contributors
! 17: * may be used to endorse or promote products derived from this software
! 18: * without specific prior written permission.
! 19: *
! 20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 30: * SUCH DAMAGE.
! 31: *
! 32: * @(#)nexus.h 7.3 (Berkeley) 5/9/91
! 33: */
! 34:
! 35: #ifndef _VAX_NEXUS_H_
! 36: #define _VAX_NEXUS_H_
! 37:
! 38: #include <machine/bus.h>
! 39:
! 40: struct mainbus_attach_args {
! 41: int maa_bustype;
! 42: };
! 43:
! 44: /*
! 45: * Values for bus (or pseudo-bus) types
! 46: */
! 47: #define VAX_SBIBUS 1 /* SBI parent (780) */
! 48: #define VAX_CMIBUS 2 /* CMI backplane (750) */
! 49: #define VAX_UNIBUS 3 /* Direct backplane (730) */
! 50: #define VAX_ABUS 4 /* SBI placeholder (8600) */
! 51: #define VAX_BIBUS 5 /* BI bus (8200) */
! 52: #define VAX_NBIBUS 6 /* NBI backplane (8800) */
! 53: #define VAX_VSBUS 7 /* Virtual vaxstation bus */
! 54: #define VAX_IBUS 8 /* Internal Microvax bus */
! 55: #define VAX_XMIBUS 9 /* XMI master bus (6000) */
! 56: #define VAX_VXTBUS 10 /* Pseudo VXT2000 bus */
! 57:
! 58: #define VAX_LEDS 0x42 /* pseudo value to attach led0 */
! 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
! 74: #define NNEX8600 NNEXSBI
! 75: #define NEXA8600 ((struct nexus *)(0x20000000))
! 76: #define NEXB8600 ((struct nexus *)(0x22000000))
! 77: #endif
! 78: #if VAX780
! 79: #define NNEX780 NNEXSBI
! 80: #define NEX780 ((struct nexus *)0x20000000)
! 81: #endif
! 82: #if VAX730
! 83: #define NNEX730 NNEXSBI
! 84: #define NEX730 ((struct nexus *)0xf20000)
! 85: #endif
! 86: #define NEXSIZE 0x2000
! 87:
! 88: #if VAX8600
! 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
! 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_ */
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