xref: /netbsd-src/sys/arch/evbppc/pmppc/dev/cpc_mainbus.c (revision 8b0f9554ff8762542c4defc4f70e1eb76fb508fa)
1 /*	$NetBSD: cpc_mainbus.c,v 1.2 2007/10/17 19:54:19 garbled Exp $	*/
2 
3 /*
4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Lennart Augustsson (lennart@augustsson.net) at Sandburst Corp.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: cpc_mainbus.c,v 1.2 2007/10/17 19:54:19 garbled Exp $");
41 
42 #include <sys/param.h>
43 #include <sys/extent.h>
44 #include <sys/device.h>
45 #include <sys/malloc.h>
46 #include <sys/systm.h>
47 
48 #include <machine/bus.h>
49 #include "locators.h"
50 
51 #include <dev/pci/pcivar.h>
52 #include <dev/pci/pcireg.h>
53 #include <dev/pci/pciconf.h>
54 
55 #include <dev/ic/cpc700reg.h>
56 #include <dev/ic/cpc700var.h>
57 #include <dev/ic/cpc700uic.h>
58 
59 #include <machine/pmppc.h>
60 #include <arch/evbppc/pmppc/dev/mainbus.h>
61 
62 struct genppc_pci_chipset *genppc_pct;
63 
64 void
65 cpc_attach(struct device *self, pci_chipset_tag_t pc, bus_space_tag_t mem,
66 	   bus_space_tag_t pciio, bus_dma_tag_t tag, int attachpci,
67 	   uint freq);
68 
69 static int	cpc_mainbus_match(struct device *, struct cfdata *, void *);
70 static void	cpc_mainbus_attach(struct device *, struct device *, void *);
71 
72 CFATTACH_DECL(cpc_mainbus, sizeof(struct device),
73     cpc_mainbus_match, cpc_mainbus_attach, NULL, NULL);
74 
75 int
76 cpc_mainbus_match(struct device *parent, struct cfdata *cf, void *aux)
77 {
78 	struct mainbus_attach_args *maa = aux;
79 
80 	return (strcmp(maa->mb_name, "cpc") == 0);
81 }
82 
83 void
84 cpc_mainbus_attach(struct device *parent, struct device *self, void *aux)
85 {
86 	struct genppc_pci_chipset_businfo *pbi;
87 
88 	genppc_pct = malloc(sizeof(struct genppc_pci_chipset), M_DEVBUF,
89 	    M_NOWAIT);
90 	pmppc_pci_get_chipset_tag(genppc_pct);
91 	pbi = malloc(sizeof(struct genppc_pci_chipset_businfo),
92 	    M_DEVBUF, M_NOWAIT);
93 	KASSERT(pbi != NULL);
94 	pbi->pbi_properties = prop_dictionary_create();
95 	KASSERT(pbi->pbi_properties != NULL);
96 	SIMPLEQ_INIT(&genppc_pct->pc_pbi);
97 	SIMPLEQ_INSERT_TAIL(&genppc_pct->pc_pbi, pbi, next);
98 
99 	cpc_attach(self, genppc_pct, &pmppc_mem_tag, &pmppc_pci_io_tag,
100 		   &pci_bus_dma_tag, a_config.a_is_monarch,
101 		   a_config.a_bus_freq);
102 
103 	if (!a_config.a_is_monarch)
104 		printf("%s: not Monarch, pci not attached\n", self->dv_xname);
105 }
106