xref: /netbsd/sys/arch/vax/vax/xmi_mainbus.c (revision 6550d01e)
1 /*	$NetBSD: xmi_mainbus.c,v 1.8 2010/12/14 23:44:50 matt 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/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: xmi_mainbus.c,v 1.8 2010/12/14 23:44:50 matt Exp $");
35 
36 #define _VAX_BUS_DMA_PRIVATE
37 
38 #include <sys/param.h>
39 #include <sys/bus.h>
40 #include <sys/cpu.h>
41 #include <sys/device.h>
42 
43 #include <machine/nexus.h>
44 #include <machine/sid.h>
45 #include <machine/scb.h>
46 #include <machine/mainbus.h>
47 
48 #include <dev/xmi/xmivar.h>
49 
50 #include "ioconf.h"
51 
52 static	int xmi_mainbus_match(device_t, cfdata_t, void *);
53 static	void xmi_mainbus_attach(device_t, device_t, void *);
54 
55 CFATTACH_DECL_NEW(xmi_mainbus, sizeof(struct xmi_softc),
56     xmi_mainbus_match, xmi_mainbus_attach, NULL, NULL);
57 
58 extern	int mastercpu;
59 
60 static int
61 xmi_mainbus_match(device_t parent, cfdata_t cf, void *aux)
62 {
63 	struct mainbus_attach_args * const ma = aux;
64 
65 	return !strcmp(xmi_cd.cd_name, ma->ma_type);
66 }
67 
68 static void
69 xmi_mainbus_attach(device_t parent, device_t self, void *aux)
70 {
71 	struct xmi_softc * const sc = device_private(self);
72 	struct mainbus_attach_args * const ma = aux;
73 
74 	/*
75 	 * Fill in bus specific data.
76 	 */
77 	sc->sc_dev = self;
78 	sc->sc_addr = (bus_addr_t)0x21800000; /* XXX */
79 	sc->sc_iot = ma->ma_iot;	/* No special I/O handling */
80 	sc->sc_dmat = ma->ma_dmat;	/* No special DMA handling either */
81 	sc->sc_intcpu = 1 << mastercpu;
82 
83 	xmi_attach(sc);
84 }
85 
86 void
87 xmi_intr_establish(void *icookie, int vec, void (*func)(void *), void *arg,
88 	struct evcnt *ev)
89 {
90 	scb_vecalloc(vec, func, arg, SCB_ISTACK, ev);
91 }
92