xref: /netbsd/sys/arch/pmax/ibus/ibus.c (revision bf9ec67e)
1 /*	$NetBSD: ibus.c,v 1.7 2000/02/29 04:41:48 nisimura Exp $	*/
2 
3 /*
4  * Copyright (c) 1998 Jonathan Stone.  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 by Jonathan Stone for
17  *      the NetBSD Project.
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>			/* RCS ID & Copyright macro defns */
34 __KERNEL_RCSID(0, "$NetBSD: ibus.c,v 1.7 2000/02/29 04:41:48 nisimura Exp $");
35 
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/device.h>
39 
40 #include <machine/sysconf.h>
41 #include <pmax/ibus/ibusvar.h>
42 
43 #include "locators.h"
44 
45 static int	ibussubmatch __P((struct device *, struct cfdata *, void *));
46 
47 void
48 ibusattach(parent, self, aux)
49 	struct device *parent, *self;
50 	void *aux;
51 {
52 	struct ibus_dev_attach_args *ida = aux;
53 	struct ibus_attach_args *ia;
54 	int i;
55 
56 	printf("\n");
57 
58 	/*
59 	 * Loop through the devices and attach them.  If a probe-size
60 	 * is specified, it's an optional item on the platform and
61 	 * do a badaddr() test to make sure it's there.
62 	 */
63 	for (i = 0; i < ida->ida_ndevs; i++) {
64 		ia = &ida->ida_devs[i];
65 		if (ia->ia_basz != 0 &&
66 		    badaddr((caddr_t)ia->ia_addr, ia->ia_basz) != 0)
67 			continue;
68 		config_found_sm(self, ia, ibusprint, ibussubmatch);
69 	}
70 }
71 
72 static int
73 ibussubmatch(parent, cf, aux)
74 	struct device *parent;
75 	struct cfdata *cf;
76 	void *aux;
77 {
78 	struct ibus_attach_args *ia = aux;
79 	paddr_t pa;
80 
81 	pa = MIPS_KSEG1_TO_PHYS(ia->ia_addr);
82 
83 	if (cf->cf_loc[IBUSCF_ADDR] != IBUSCF_ADDR_DEFAULT &&
84 	    cf->cf_loc[IBUSCF_ADDR] != pa)
85 		return (0);
86 
87 	return ((*cf->cf_attach->ca_match)(parent, cf, aux));
88 }
89 
90 int
91 ibusprint(aux, pnp)
92 	void *aux;
93 	const char *pnp;
94 {
95 	struct ibus_attach_args *ia = aux;
96 
97 	if (pnp)
98 		printf("%s at %s", ia->ia_name, pnp);
99 
100 	printf(" addr 0x%x", MIPS_KSEG1_TO_PHYS(ia->ia_addr));
101 
102 	return (UNCONF);
103 }
104 
105 void
106 ibus_intr_establish(dev, cookie, level, handler, arg)
107 	struct device *dev;
108 	void *cookie;
109 	int level;
110 	int (*handler) __P((void *));
111 	void *arg;
112 {
113 	(*platform.intr_establish)(dev, cookie, level, handler, arg);
114 }
115