xref: /netbsd/sys/arch/vax/vax/xmi_mainbus.c (revision c4a72b64)
1 /*	$NetBSD: xmi_mainbus.c,v 1.4 2002/10/02 16:02:36 thorpej Exp $	   */
2 /*
3  * Copyright (c) 2000 Ludd, University of Lule}, Sweden.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *      This product includes software developed at Ludd, University of
17  *      Lule}, Sweden and its contributors.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include <sys/param.h>
34 #include <sys/device.h>
35 
36 #define	_VAX_BUS_DMA_PRIVATE
37 #include <machine/bus.h>
38 #include <machine/nexus.h>
39 #include <machine/sid.h>
40 #include <machine/scb.h>
41 #include <machine/cpu.h>
42 
43 #include <dev/xmi/xmivar.h>
44 
45 static	int xmi_mainbus_match __P((struct device *, struct cfdata *, void *));
46 static	void xmi_mainbus_attach __P((struct device *, struct device *, void *));
47 
48 CFATTACH_DECL(xmi_mainbus, sizeof(struct xmi_softc),
49     xmi_mainbus_match, xmi_mainbus_attach, NULL, NULL);
50 
51 extern	struct vax_bus_space vax_mem_bus_space;
52 extern	struct vax_bus_dma_tag vax_bus_dma_tag;
53 
54 static int
55 xmi_mainbus_match(struct device *parent, struct cfdata *vcf, void *aux)
56 {
57 	if (vax_bustype == VAX_XMIBUS)
58 		return 1;
59 	return 0;
60 }
61 
62 static void
63 xmi_mainbus_attach(struct device *parent, struct device *self, void *aux)
64 {
65 	struct xmi_softc *sc = (void *)self;
66 
67 	/*
68 	 * Fill in bus specific data.
69 	 */
70 	sc->sc_addr = (bus_addr_t)0x21800000; /* XXX */
71 	sc->sc_iot = &vax_mem_bus_space; /* No special I/O handling */
72 	sc->sc_dmat = &vax_bus_dma_tag;	/* No special DMA handling either */
73 	sc->sc_intcpu = 1 << mastercpu;
74 
75 	xmi_attach(sc);
76 }
77 
78 void
79 xmi_intr_establish(void *icookie, int vec, void (*func)(void *), void *arg,
80 	struct evcnt *ev)
81 {
82 	scb_vecalloc(vec, func, arg, SCB_ISTACK, ev);
83 }
84