1 /* $NetBSD: ixp425.c,v 1.18 2021/08/07 16:18:46 thorpej Exp $ */
2
3 /*
4 * Copyright (c) 2003
5 * Ichiro FUKUHARA <ichiro@ichiro.org>.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #include "pci.h"
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: ixp425.c,v 1.18 2021/08/07 16:18:46 thorpej Exp $");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/device.h>
38 #include <uvm/uvm.h>
39
40 #include <sys/bus.h>
41
42 #include <arm/xscale/ixp425reg.h>
43 #include <arm/xscale/ixp425var.h>
44
45 struct ixp425_softc *ixp425_softc;
46
47 void
ixp425_attach(device_t self)48 ixp425_attach(device_t self)
49 {
50 struct ixp425_softc *sc = device_private(self);
51 #if NPCI > 0
52 struct pcibus_attach_args pba;
53 #endif
54
55 sc->sc_dev = self;
56 sc->sc_iot = &ixp425_bs_tag;
57
58 ixp425_softc = sc;
59
60 printf("\n");
61
62 /*
63 * Mapping for GPIO Registers
64 */
65 if (bus_space_map(sc->sc_iot, IXP425_GPIO_HWBASE, IXP425_GPIO_SIZE,
66 0, &sc->sc_gpio_ioh))
67 panic("%s: unable to map GPIO registers", device_xname(self));
68
69 if (bus_space_map(sc->sc_iot, IXP425_EXP_HWBASE, IXP425_EXP_SIZE,
70 0, &sc->sc_exp_ioh))
71 panic("%s: unable to map Expansion Bus registers",
72 device_xname(self));
73
74 #if NPCI > 0
75 /*
76 * Mapping for PCI CSR
77 */
78 if (bus_space_map(sc->sc_iot, IXP425_PCI_HWBASE, IXP425_PCI_SIZE,
79 0, &sc->sc_pci_ioh))
80 panic("%s: unable to map PCI registers", device_xname(self));
81
82 /*
83 * Invoke the board-specific PCI initialization code
84 */
85 ixp425_md_pci_init(sc);
86
87 /*
88 * Generic initialization of the PCI chipset.
89 */
90 ixp425_pci_init(sc);
91
92 /*
93 * Initialize the DMA tags.
94 */
95 ixp425_pci_dma_init(sc);
96
97 /*
98 * Attach the PCI bus.
99 */
100 pba.pba_pc = &sc->ia_pci_chipset;
101 pba.pba_iot = &sc->sc_pci_iot;
102 pba.pba_memt = &sc->sc_pci_memt;
103 pba.pba_dmat = &sc->ia_pci_dmat;
104 pba.pba_bus = 0; /* bus number = 0 */
105 pba.pba_bridgetag = NULL;
106 pba.pba_intrswiz = 0; /* XXX */
107 pba.pba_intrtag = 0;
108 pba.pba_flags = PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY |
109 PCI_FLAGS_MRL_OKAY | PCI_FLAGS_MRM_OKAY |
110 PCI_FLAGS_MWI_OKAY;
111 config_found(self, &pba, pcibusprint,
112 CFARGS(.iattr = "pcibus"));
113 #endif
114 }
115