initial import of NetBSD tree

1 files changed, 179 insertions, 0 deletions

diff --git a/sys/arch/vax/include/nexus.h b/sys/arch/vax/include/nexus.h
new file mode 100644
index 00000000000..a4c9a8ce678
--- /dev/null
+++ b/sys/arch/vax/include/nexus.h
@@ -0,0 +1,179 @@
+/*	$NetBSD: nexus.h,v 1.4 1995/02/23 17:51:42 ragge 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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
+ */
+
+/*
+ * 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.
+ */
+#define IO_CMI750       2
+#define MAXNMCR         1
+
+#define	NNEXSBI		16
+#if VAX8600
+#define	NNEX8600	NNEXSBI
+#define	NEXA8600	((struct nexus *)(0x20000000))
+#define	NEXB8600	((struct nexus *)(0x22000000))
+#endif
+#if VAX780
+#define	NNEX780	NNEXSBI
+#define	NEX780	((struct nexus *)0x20000000)
+#endif
+#if VAX750
+#define	NNEX750	NNEXSBI
+#ifndef ASSEMBLER
+#define NEX750           ((struct nexus*)0xf20000)
+#else
+#define NEX750           (0xF20000)
+#endif
+#endif
+#if VAX730
+#define	NNEX730	NNEXSBI
+#define	NEX730	((struct nexus *)0xf20000)
+#endif
+#if VAX630
+#define NNEX630 1
+#define NEX630  ((struct nexus *)0x20088000)
+#endif
+#define	NEXSIZE	0x2000
+
+#if VAX8600
+#define	MAXNNEXUS (2 * NNEXSBI)
+#else 
+#define	MAXNNEXUS NNEXSBI
+#endif
+
+#ifndef ASSEMBLER
+
+#include "sys/types.h"
+
+struct	nexus {
+	union nexcsr {
+		long	nex_csr;
+		u_char	nex_type;
+	} nexcsr;
+	long	nex_pad[NEXSIZE / sizeof (long) - 1];
+};
+
+struct sbi_attach_args {
+	u_int	nexnum;
+	u_int	type;
+	void	*nexaddr;
+};
+
+struct iobus {
+        int io_type;
+        int io_addr;
+        int io_size;
+        int io_details;
+};
+
+struct nexusconnect {
+        int psb_nnexus;
+        struct nexus *psb_nexbase;
+	int psb_ubatype;
+	int psb_nubabdp;
+	caddr_t *psb_umaddr;
+        int *psb_nextype;
+};
+
+extern caddr_t *nex_vec;
+#define nex_vec_num(ipl, nexnum) nex_vec[(ipl-14)*16+nexnum]
+
+#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 defined(VAX780) || defined(VAX8600)
+#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 */