1/*	$NetBSD: obio.c,v 1.11 2003/07/15 00:25:05 lukem Exp $	*/
2
3/*-
4 * Copyright (c) 2001, 2002, 2003 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *	This product includes software developed for the NetBSD Project by
20 *	Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 *    or promote products derived from this software without specific prior
23 *    written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38/*
39 * On-board device autoconfiguration support for Intel IQ80321
40 * evaluation boards.
41 */
42
43#include <sys/cdefs.h>
44__FBSDID("$FreeBSD$");
45
46#include <sys/param.h>
47#include <sys/systm.h>
48#include <sys/bus.h>
49#include <sys/kernel.h>
50#include <sys/module.h>
51#include <sys/rman.h>
52#include <sys/malloc.h>
53
54#include <machine/bus.h>
55
56#include <arm/xscale/i80321/i80321reg.h>
57
58#include <arm/xscale/i80321/iq80321reg.h>
59#include <arm/xscale/i80321/obiovar.h>
60
61int	obio_probe(device_t);
62int	obio_attach(device_t);
63
64int
65obio_probe(device_t dev)
66{
67	return (0);
68}
69
70int
71obio_attach(device_t dev)
72{
73	struct obio_softc *sc = device_get_softc(dev);
74
75	sc->oba_st = &obio_bs_tag;
76	sc->oba_addr = IQ80321_OBIO_BASE;
77	sc->oba_size = IQ80321_OBIO_SIZE;
78	sc->oba_rman.rm_type = RMAN_ARRAY;
79	sc->oba_rman.rm_descr = "OBIO I/O";
80	if (rman_init(&sc->oba_rman) != 0 ||
81	    rman_manage_region(&sc->oba_rman,
82	    sc->oba_addr, sc->oba_addr + sc->oba_size) != 0)
83		panic("obio_attach: failed to set up I/O rman");
84	sc->oba_irq_rman.rm_type = RMAN_ARRAY;
85	sc->oba_irq_rman.rm_descr = "OBIO IRQ";
86	if (rman_init(&sc->oba_irq_rman) != 0 ||
87	    rman_manage_region(&sc->oba_irq_rman, 28, 28) != 0)
88		panic("obio_attach: failed to set up IRQ rman");
89	device_add_child(dev, "uart", 0);
90	bus_generic_probe(dev);
91	bus_generic_attach(dev);
92	return (0);
93}
94
95static struct resource *
96obio_alloc_resource(device_t bus, device_t child, int type, int *rid,
97    u_long start, u_long end, u_long count, u_int flags)
98{
99	struct resource *rv;
100	struct rman *rm;
101	bus_space_tag_t bt = NULL;
102	bus_space_handle_t bh = 0;
103	struct obio_softc *sc = device_get_softc(bus);
104
105	switch (type) {
106	case SYS_RES_IRQ:
107		rm = &sc->oba_irq_rman;
108		break;
109	case SYS_RES_MEMORY:
110		return (NULL);
111	case SYS_RES_IOPORT:
112		rm = &sc->oba_rman;
113		bt = sc->oba_st;
114		bh = sc->oba_addr;
115		start = bh;
116		break;
117	default:
118		return (NULL);
119	}
120
121
122	rv = rman_reserve_resource(rm, start, end, count, flags, child);
123	if (rv == NULL)
124		return (NULL);
125	if (type == SYS_RES_IRQ)
126		return (rv);
127	rman_set_rid(rv, *rid);
128	rman_set_bustag(rv, bt);
129	rman_set_bushandle(rv, bh);
130
131	return (rv);
132
133}
134
135static int
136obio_activate_resource(device_t bus, device_t child, int type, int rid,
137    struct resource *r)
138{
139	return (0);
140}
141static device_method_t obio_methods[] = {
142	DEVMETHOD(device_probe, obio_probe),
143	DEVMETHOD(device_attach, obio_attach),
144
145	DEVMETHOD(bus_alloc_resource, obio_alloc_resource),
146	DEVMETHOD(bus_activate_resource, obio_activate_resource),
147	DEVMETHOD(bus_setup_intr,	bus_generic_setup_intr),
148	DEVMETHOD(bus_teardown_intr,	bus_generic_teardown_intr),
149
150	{0, 0},
151};
152
153static driver_t obio_driver = {
154	"obio",
155	obio_methods,
156	sizeof(struct obio_softc),
157};
158static devclass_t obio_devclass;
159
160DRIVER_MODULE(obio, iq, obio_driver, obio_devclass, 0, 0);
161