/* $NetBSD: nexus.h,v 1.27 2011/06/05 16:59:21 matt Exp $ */ /*- * Copyright (c) 1982, 1986 The Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)nexus.h 7.3 (Berkeley) 5/9/91 */ /* * ABus support added by Johnny Billquist 2010. */ #ifndef _VAX_NEXUS_H_ #define _VAX_NEXUS_H_ #include <machine/bus.h> #ifdef _KERNEL #include "opt_cputype.h" #endif /* * Different definitions for nicer autoconf probing. */ enum bustypes { VAX_SBIBUS, /* SBI parent (780) */ VAX_CMIBUS, /* CMI backplane (750) */ VAX_UNIBUS, /* Direct backplane (730) */ VAX_ABUS, /* ABus (8600) */ VAX_BIBUS, /* BI bus (8200) */ VAX_NMIBUS, /* NMI backplane (8800) */ VAX_VSBUS, /* Virtual vaxstation bus */ VAX_IBUS, /* Internal Microvax bus */ VAX_XMIBUS, /* XMI master bus (6000) */ }; /* * Information about nexus's. * * Each machine has an address of backplane slots (nexi). * Each nexus is some type of adapter, whose code is the low * byte of the first word of the adapter address space. * At boot time the system looks through the array of available * slots and finds the interconnects for the machine. * * VAX8600 nexus information is located in ioa.h */ #define IO_CMI750 2 #define MAXNMCR 1 #define NNEXSBI 16 #if VAX780 || VAXANY #define NNEX780 NNEXSBI #define NEX780 ((struct nexus *)0x20000000) #endif #if VAX730 || VAXANY #define NNEX730 NNEXSBI #define NEX730 ((struct nexus *)0xf20000) #endif #define NEXSIZE 0x2000 #ifdef _KERNEL struct nexus { union nexcsr { long nex_csr; u_char nex_type; } nexcsr; long nex_pad[NEXSIZE / sizeof (long) - 1]; }; struct abus_attach_args { const char *aa_name; int aa_type; bus_addr_t aa_base; int aa_num; bus_space_tag_t aa_iot; bus_space_handle_t aa_ioh; bus_dma_tag_t aa_dmat; }; struct sbi_attach_args { int sa_nexnum; /* This nexus TR number */ int sa_type; /* This nexus type */ int sa_sbinum; bus_space_tag_t sa_iot; bus_space_handle_t sa_ioh; bus_dma_tag_t sa_dmat; bus_addr_t sa_base; }; /* Memory device struct. This should be somewhere else */ struct mem_softc { device_t sc_dev; void * sc_memaddr; int sc_memtype; int sc_memnr; }; struct ibus_attach_args { const char *ia_type; int ia_num; int ia_partyp; paddr_t ia_addr; }; #endif /* * Bits in high word of nexus's. */ #define SBI_PARFLT (1<<31) /* sbi parity fault */ #define SBI_WSQFLT (1<<30) /* write sequence fault */ #define SBI_URDFLT (1<<29) /* unexpected read data fault */ #define SBI_ISQFLT (1<<28) /* interlock sequence fault */ #define SBI_MXTFLT (1<<27) /* multiple transmitter fault */ #define SBI_XMTFLT (1<<26) /* transmit fault */ #define NEX_CFGFLT (0xfc000000) #ifndef _LOCORE #if VAX780 || VAX8600 || VAXANY #define NEXFLT_BITS \ "\20\40PARFLT\37WSQFLT\36URDFLT\35ISQFLT\34MXTFLT\33XMTFLT" #endif #endif #define NEX_APD (1<<23) /* adaptor power down */ #define NEX_APU (1<<22) /* adaptor power up */ #define MBA_OT (1<<21) /* overtemperature */ #define UBA_UBINIT (1<<18) /* unibus init */ #define UBA_UBPDN (1<<17) /* unibus power down */ #define UBA_UBIC (1<<16) /* unibus initialization complete */ /* * Types for nex_type. */ #define NEX_ANY 0 /* pseudo for handling 11/750 */ #define NEX_MEM4 0x08 /* 4K chips, non-interleaved mem */ #define NEX_MEM4I 0x09 /* 4K chips, interleaved mem */ #define NEX_MEM16 0x10 /* 16K chips, non-interleaved mem */ #define NEX_MEM16I 0x11 /* 16K chips, interleaved mem */ #define NEX_MBA 0x20 /* Massbus adaptor */ #define NEX_UBA0 0x28 /* Unibus adaptor */ #define NEX_UBA1 0x29 /* 4 flavours for 4 addr spaces */ #define NEX_UBA2 0x2a #define NEX_UBA3 0x2b #define NEX_DR32 0x30 /* DR32 user i'face to SBI */ #define NEX_CI 0x38 /* CI adaptor */ #define NEX_MPM0 0x40 /* Multi-port mem */ #define NEX_MPM1 0x41 /* Who knows why 4 different ones ? */ #define NEX_MPM2 0x42 #define NEX_MPM3 0x43 #define NEX_MEM64L 0x68 /* 64K chips, non-interleaved, lower */ #define NEX_MEM64LI 0x69 /* 64K chips, ext-interleaved, lower */ #define NEX_MEM64U 0x6a /* 64K chips, non-interleaved, upper */ #define NEX_MEM64UI 0x6b /* 64K chips, ext-interleaved, upper */ #define NEX_MEM64I 0x6c /* 64K chips, interleaved */ #define NEX_MEM256L 0x70 /* 256K chips, non-interleaved, lower */ #define NEX_MEM256LI 0x71 /* 256K chips, ext-interleaved, lower */ #define NEX_MEM256U 0x72 /* 256K chips, non-interleaved, upper */ #define NEX_MEM256UI 0x73 /* 256K chips, ext-interleaved, upper */ #define NEX_MEM256I 0x74 /* 256K chips, interleaved */ /* Memory classes */ #define M_NONE 0 #define M780C 1 #define M780EL 2 #define M780EU 3 /* Memory recover defines */ #define MCHK_PANIC -1 #define MCHK_RECOVERED 0 #endif /* _VAX_NEXUS_H_ */
