xref: /netbsd-src/sys/arch/vax/vax/xmi_mainbus.c (revision 6a6027692662ba623e7bf5274322989a7b5d1440)
1 /*	$NetBSD: xmi_mainbus.c,v 1.9 2017/05/22 16:53:05 ragge 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  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __KERNEL_RCSID(0, "$NetBSD: xmi_mainbus.c,v 1.9 2017/05/22 16:53:05 ragge Exp $");
29 
30 #define _VAX_BUS_DMA_PRIVATE
31 
32 #include <sys/param.h>
33 #include <sys/bus.h>
34 #include <sys/cpu.h>
35 #include <sys/device.h>
36 
37 #include <machine/nexus.h>
38 #include <machine/sid.h>
39 #include <machine/scb.h>
40 #include <machine/mainbus.h>
41 
42 #include <dev/xmi/xmivar.h>
43 
44 #include "ioconf.h"
45 
46 static	int xmi_mainbus_match(device_t, cfdata_t, void *);
47 static	void xmi_mainbus_attach(device_t, device_t, void *);
48 
49 CFATTACH_DECL_NEW(xmi_mainbus, sizeof(struct xmi_softc),
50     xmi_mainbus_match, xmi_mainbus_attach, NULL, NULL);
51 
52 extern	int mastercpu;
53 
54 static int
xmi_mainbus_match(device_t parent,cfdata_t cf,void * aux)55 xmi_mainbus_match(device_t parent, cfdata_t cf, void *aux)
56 {
57 	struct mainbus_attach_args * const ma = aux;
58 
59 	return !strcmp(xmi_cd.cd_name, ma->ma_type);
60 }
61 
62 static void
xmi_mainbus_attach(device_t parent,device_t self,void * aux)63 xmi_mainbus_attach(device_t parent, device_t self, void *aux)
64 {
65 	struct xmi_softc * const sc = device_private(self);
66 	struct mainbus_attach_args * const ma = aux;
67 
68 	/*
69 	 * Fill in bus specific data.
70 	 */
71 	sc->sc_dev = self;
72 	sc->sc_addr = (bus_addr_t)0x21800000; /* XXX */
73 	sc->sc_iot = ma->ma_iot;	/* No special I/O handling */
74 	sc->sc_dmat = ma->ma_dmat;	/* No special DMA handling either */
75 	sc->sc_intcpu = 1 << mastercpu;
76 
77 	xmi_attach(sc);
78 }
79 
80 void
xmi_intr_establish(void * icookie,int vec,void (* func)(void *),void * arg,struct evcnt * ev)81 xmi_intr_establish(void *icookie, int vec, void (*func)(void *), void *arg,
82 	struct evcnt *ev)
83 {
84 	scb_vecalloc(vec, func, arg, SCB_ISTACK, ev);
85 }
86