Home | History | Annotate | Line # | Download | only in include
nexus.h revision 1.17 
      1 /*	$NetBSD: nexus.h,v 1.17 2000/06/04 17:58:19 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 #include <machine/bus.h>
     42 
     43 #ifdef _KERNEL
     44 #include "opt_vax8600.h"
     45 #include "opt_vax780.h"
     46 #include "opt_vax750.h"
     47 #include "opt_vax730.h"
     48 #endif
     49 /*
     50  * Different definitions for nicer autoconf probing.
     51  */
     52 enum bustypes {
     53 	VAX_SBIBUS,		/* SBI parent (780) */
     54 	VAX_CMIBUS,		/* CMI backplane (750) */
     55 	VAX_UNIBUS,		/* Direct backplane (730) */
     56 	VAX_ABUS,		/* SBI placeholder (8600) */
     57 	VAX_BIBUS,		/* BI bus (8200) */
     58 	VAX_NBIBUS,		/* NBI backplane (8800) */
     59 	VAX_VSBUS,		/* Virtual vaxstation bus */
     60 	VAX_IBUS,		/* Internal Microvax bus */
     61 	VAX_XMIBUS,		/* XMI master bus (6000) */
     62 };
     63 /*
     64  * Information about nexus's.
     65  *
     66  * Each machine has an address of backplane slots (nexi).
     67  * Each nexus is some type of adapter, whose code is the low
     68  * byte of the first word of the adapter address space.
     69  * At boot time the system looks through the array of available
     70  * slots and finds the interconnects for the machine.
     71  */
     72 #define IO_CMI750       2
     73 #define MAXNMCR         1
     74 
     75 #define	NNEXSBI		16
     76 #if VAX8600
     77 #define	NNEX8600	NNEXSBI
     78 #define	NEXA8600	((struct nexus *)(0x20000000))
     79 #define	NEXB8600	((struct nexus *)(0x22000000))
     80 #endif
     81 #if VAX780
     82 #define	NNEX780	NNEXSBI
     83 #define	NEX780	((struct nexus *)0x20000000)
     84 #endif
     85 #if VAX730
     86 #define	NNEX730	NNEXSBI
     87 #define	NEX730	((struct nexus *)0xf20000)
     88 #endif
     89 #define	NEXSIZE	0x2000
     90 
     91 #if VAX8600
     92 #define	MAXNNEXUS (2 * NNEXSBI)
     93 #else
     94 #define	MAXNNEXUS NNEXSBI
     95 #endif
     96 
     97 #ifdef _KERNEL
     98 
     99 struct	nexus {
    100 	union nexcsr {
    101 		long	nex_csr;
    102 		u_char	nex_type;
    103 	} nexcsr;
    104 	long	nex_pad[NEXSIZE / sizeof (long) - 1];
    105 };
    106 
    107 struct sbi_attach_args {
    108 	int sa_nexnum; 		/* This nexus TR number */
    109 	int sa_type;		/* This nexus type */
    110 	bus_space_tag_t sa_iot;
    111 	bus_space_handle_t sa_ioh;
    112 };
    113 
    114 /* Memory device struct. This should be somewhere else */
    115 struct mem_softc {
    116 	struct	device sc_dev;
    117 	caddr_t	sc_memaddr;
    118 	int	sc_memtype;
    119 	int	sc_memnr;
    120 };
    121 
    122 struct bp_conf {
    123 	char *type;
    124 	int num;
    125 	int partyp;
    126 	int bp_addr;
    127 };
    128 
    129 #endif
    130 
    131 /*
    132  * Bits in high word of nexus's.
    133  */
    134 #define	SBI_PARFLT	(1<<31)		/* sbi parity fault */
    135 #define	SBI_WSQFLT	(1<<30)		/* write sequence fault */
    136 #define	SBI_URDFLT	(1<<29)		/* unexpected read data fault */
    137 #define	SBI_ISQFLT	(1<<28)		/* interlock sequence fault */
    138 #define	SBI_MXTFLT	(1<<27)		/* multiple transmitter fault */
    139 #define	SBI_XMTFLT	(1<<26)		/* transmit fault */
    140 
    141 #define	NEX_CFGFLT	(0xfc000000)
    142 
    143 #ifndef _LOCORE
    144 #if VAX780 || VAX8600
    145 #define	NEXFLT_BITS \
    146 "\20\40PARFLT\37WSQFLT\36URDFLT\35ISQFLT\34MXTFLT\33XMTFLT"
    147 #endif
    148 #endif
    149 
    150 #define	NEX_APD		(1<<23)		/* adaptor power down */
    151 #define	NEX_APU		(1<<22)		/* adaptor power up */
    152 
    153 #define	MBA_OT		(1<<21)		/* overtemperature */
    154 
    155 #define	UBA_UBINIT	(1<<18)		/* unibus init */
    156 #define	UBA_UBPDN	(1<<17)		/* unibus power down */
    157 #define	UBA_UBIC	(1<<16)		/* unibus initialization complete */
    158 
    159 /*
    160  * Types for nex_type.
    161  */
    162 #define	NEX_ANY		0		/* pseudo for handling 11/750 */
    163 #define	NEX_MEM4	0x08		/* 4K chips, non-interleaved mem */
    164 #define	NEX_MEM4I	0x09		/* 4K chips, interleaved mem */
    165 #define	NEX_MEM16	0x10		/* 16K chips, non-interleaved mem */
    166 #define	NEX_MEM16I	0x11		/* 16K chips, interleaved mem */
    167 #define	NEX_MBA		0x20		/* Massbus adaptor */
    168 #define	NEX_UBA0	0x28		/* Unibus adaptor */
    169 #define	NEX_UBA1	0x29		/* 4 flavours for 4 addr spaces */
    170 #define	NEX_UBA2	0x2a
    171 #define	NEX_UBA3	0x2b
    172 #define	NEX_DR32	0x30		/* DR32 user i'face to SBI */
    173 #define	NEX_CI		0x38		/* CI adaptor */
    174 #define	NEX_MPM0	0x40		/* Multi-port mem */
    175 #define	NEX_MPM1	0x41		/* Who knows why 4 different ones ? */
    176 #define	NEX_MPM2	0x42
    177 #define	NEX_MPM3	0x43
    178 #define	NEX_MEM64L	0x68		/* 64K chips, non-interleaved, lower */
    179 #define	NEX_MEM64LI	0x69		/* 64K chips, ext-interleaved, lower */
    180 #define	NEX_MEM64U	0x6a		/* 64K chips, non-interleaved, upper */
    181 #define	NEX_MEM64UI	0x6b		/* 64K chips, ext-interleaved, upper */
    182 #define	NEX_MEM64I	0x6c		/* 64K chips, interleaved */
    183 #define	NEX_MEM256L	0x70		/* 256K chips, non-interleaved, lower */
    184 #define	NEX_MEM256LI	0x71		/* 256K chips, ext-interleaved, lower */
    185 #define	NEX_MEM256U	0x72		/* 256K chips, non-interleaved, upper */
    186 #define	NEX_MEM256UI	0x73		/* 256K chips, ext-interleaved, upper */
    187 #define	NEX_MEM256I	0x74		/* 256K chips, interleaved */
    188 
    189 /* Memory classes */
    190 #define	M_NONE		0
    191 #define	M780C		1
    192 #define	M780EL		2
    193 #define	M780EU		3
    194 
    195 /* Memory recover defines */
    196 #define	MCHK_PANIC	-1
    197 #define	MCHK_RECOVERED	0
    198 
    199 #endif /* _VAX_NEXUS_H_ */
    200