xref: /netbsd-src/sys/arch/arm/xscale/ixp425.c (revision e5548b402ae4c44fb816de42c7bba9581ce23ef5)
1 /*	$NetBSD: ixp425.c,v 1.10 2005/12/11 12:16:51 christos 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  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by Ichiro FUKUHARA.
19  * 4. The name of the company nor the name of the author may be used to
20  *    endorse or promote products derived from this software without specific
21  *    prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
27  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 __KERNEL_RCSID(0, "$NetBSD: ixp425.c,v 1.10 2005/12/11 12:16:51 christos Exp $");
38 
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/device.h>
42 #include <uvm/uvm.h>
43 
44 #include <machine/bus.h>
45 
46 #include <arm/xscale/ixp425reg.h>
47 #include <arm/xscale/ixp425var.h>
48 
49 struct	ixp425_softc *ixp425_softc;
50 
51 void
52 ixp425_attach(struct ixp425_softc *sc)
53 {
54 	struct pcibus_attach_args pba;
55 
56 	sc->sc_iot = &ixp425_bs_tag;
57 
58 	ixp425_softc = sc;
59 
60 	printf("\n");
61 
62 	/*
63 	 * Mapping for PCI CSR
64 	 */
65 	if (bus_space_map(sc->sc_iot, IXP425_PCI_HWBASE, IXP425_PCI_SIZE,
66 			  0, &sc->sc_pci_ioh))
67 		panic("%s: unable to map PCI registers", sc->sc_dev.dv_xname);
68 
69 	/*
70 	 * Mapping for GPIO Registers
71 	 */
72 	if (bus_space_map(sc->sc_iot, IXP425_GPIO_HWBASE, IXP425_GPIO_SIZE,
73 			  0, &sc->sc_gpio_ioh))
74 		panic("%s: unable to map GPIO registers", sc->sc_dev.dv_xname);
75 
76 	/*
77 	 * Invoke the board-specific PCI initialization code
78 	 */
79 	ixp425_md_pci_init(sc);
80 
81 	/*
82 	 * Generic initialization of the PCI chipset.
83 	 */
84 	ixp425_pci_init(sc);
85 
86 	/*
87 	 * Initialize the DMA tags.
88 	 */
89 	ixp425_pci_dma_init(sc);
90 
91 	/*
92 	 * Attach the PCI bus.
93 	 */
94 	pba.pba_pc = &sc->ia_pci_chipset;
95 	pba.pba_iot = &sc->sc_pci_iot;
96 	pba.pba_memt = &sc->sc_pci_memt;
97 	pba.pba_dmat = &sc->ia_pci_dmat;
98 	pba.pba_bus = 0;	/* bus number = 0 */
99 	pba.pba_bridgetag = NULL;
100 	pba.pba_intrswiz = 0;	/* XXX */
101 	pba.pba_intrtag = 0;
102 	pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED |
103 			PCI_FLAGS_MRL_OKAY   | PCI_FLAGS_MRM_OKAY |
104 			PCI_FLAGS_MWI_OKAY;
105 	(void) config_found_ia(&sc->sc_dev, "pcibus", &pba, pcibusprint);
106 }
107