1 /* $NetBSD: cpc_mainbus.c,v 1.8 2020/11/21 15:42:20 thorpej 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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: cpc_mainbus.c,v 1.8 2020/11/21 15:42:20 thorpej Exp $");
34
35 #include <sys/param.h>
36 #include <sys/extent.h>
37 #include <sys/device.h>
38 #include <sys/kmem.h>
39 #include <sys/systm.h>
40
41 #include <sys/bus.h>
42 #include "locators.h"
43
44 #include <dev/pci/pcivar.h>
45 #include <dev/pci/pcireg.h>
46 #include <dev/pci/pciconf.h>
47
48 #include <dev/ic/cpc700reg.h>
49 #include <dev/ic/cpc700var.h>
50 #include <dev/ic/cpc700uic.h>
51
52 #include <machine/pmppc.h>
53 #include <arch/evbppc/pmppc/dev/mainbus.h>
54
55 struct genppc_pci_chipset *genppc_pct;
56
57 void
58 cpc_attach(device_t self, pci_chipset_tag_t pc, bus_space_tag_t mem,
59 bus_space_tag_t pciio, bus_dma_tag_t tag, int attachpci,
60 uint freq);
61
62 static int cpc_mainbus_match(device_t, cfdata_t, void *);
63 static void cpc_mainbus_attach(device_t, device_t, void *);
64
65 CFATTACH_DECL_NEW(cpc_mainbus, 0,
66 cpc_mainbus_match, cpc_mainbus_attach, NULL, NULL);
67
68 int
cpc_mainbus_match(device_t parent,cfdata_t cf,void * aux)69 cpc_mainbus_match(device_t parent, cfdata_t cf, void *aux)
70 {
71 struct mainbus_attach_args *maa = aux;
72
73 return (strcmp(maa->mb_name, "cpc") == 0);
74 }
75
76 void
cpc_mainbus_attach(device_t parent,device_t self,void * aux)77 cpc_mainbus_attach(device_t parent, device_t self, void *aux)
78 {
79 struct genppc_pci_chipset_businfo *pbi;
80
81 genppc_pct = kmem_alloc(sizeof(struct genppc_pci_chipset), KM_SLEEP);
82 pmppc_pci_get_chipset_tag(genppc_pct);
83 pbi = kmem_alloc(sizeof(struct genppc_pci_chipset_businfo), KM_SLEEP);
84 pbi->pbi_properties = prop_dictionary_create();
85 KASSERT(pbi->pbi_properties != NULL);
86 SIMPLEQ_INIT(&genppc_pct->pc_pbi);
87 SIMPLEQ_INSERT_TAIL(&genppc_pct->pc_pbi, pbi, next);
88
89 cpc_attach(self, genppc_pct, &pmppc_mem_tag, &pmppc_pci_io_tag,
90 &pci_bus_dma_tag, a_config.a_is_monarch,
91 a_config.a_bus_freq);
92
93 if (!a_config.a_is_monarch)
94 aprint_error_dev(self, "not Monarch, pci not attached\n");
95 }
96