1/*	$NetBSD: if_ne_mainbus.c,v 1.1 2010/04/06 15:54:31 nonaka Exp $	*/
2
3/*-
4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
34__KERNEL_RCSID(0, "$NetBS$");
35
36#include <sys/param.h>
37#include <sys/systm.h>
38#include <sys/mbuf.h>
39#include <sys/socket.h>
40#include <sys/ioctl.h>
41#include <sys/errno.h>
42#include <sys/syslog.h>
43#include <sys/select.h>
44#include <sys/device.h>
45#include <sys/bus.h>
46
47#include <net/if.h>
48#include <net/if_dl.h>
49#include <net/if_ether.h>
50#include <net/if_media.h>
51
52#include <sys/intr.h>
53
54#include <dev/ic/dp8390reg.h>
55#include <dev/ic/dp8390var.h>
56
57#include <dev/ic/ne2000reg.h>
58#include <dev/ic/ne2000var.h>
59
60#include <machine/autoconf.h>
61
62#include <sh3/exception.h>
63
64static int ne_mainbus_match(device_t, cfdata_t, void *);
65static void ne_mainbus_attach(device_t, device_t, void *);
66
67struct ne_mainbus_softc {
68	struct	ne2000_softc sc_ne2000;		/* real "ne2000" softc */
69
70	void	*sc_ih;				/* interrupt cookie */
71};
72
73CFATTACH_DECL_NEW(ne_mainbus, sizeof(struct ne_mainbus_softc),
74    ne_mainbus_match, ne_mainbus_attach, NULL, NULL);
75
76extern struct _bus_space t_sh7706lan_bus_io;
77
78static int
79ne_mainbus_match(device_t parent, cfdata_t cf, void *aux)
80{
81	struct mainbus_attach_args *maa = (struct mainbus_attach_args *)aux;
82	bus_space_tag_t nict = &t_sh7706lan_bus_io;
83	bus_space_handle_t nich;
84	bus_space_tag_t asict;
85	bus_space_handle_t asich;
86	int rv = 0;
87
88	if (strcmp(maa->ma_name, "ne") != 0)
89		return 0;
90
91	/* Map i/o space. */
92	if (bus_space_map(nict, 0x10000300, NE2000_NPORTS, 0, &nich))
93		return 0;
94
95	asict = nict;
96	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
97	    NE2000_ASIC_NPORTS, &asich))
98		goto out;
99
100	/* Look for an NE2000-compatible card. */
101	rv = ne2000_detect(nict, nich, asict, asich);
102
103 out:
104	bus_space_unmap(nict, nich, NE2000_NPORTS);
105	return rv;
106}
107
108static void
109ne_mainbus_attach(device_t parent, device_t self, void *aux)
110{
111	struct ne_mainbus_softc *msc = device_private(self);
112	struct ne2000_softc *nsc = &msc->sc_ne2000;
113	struct dp8390_softc *dsc = &nsc->sc_dp8390;
114	bus_space_tag_t nict = &t_sh7706lan_bus_io;
115	bus_space_handle_t nich;
116	bus_space_tag_t asict = nict;
117	bus_space_handle_t asich;
118	const char *typestr;
119	int netype;
120
121	dsc->sc_dev = self;
122
123	aprint_naive("\n");
124	aprint_normal("\n");
125
126	/* Map i/o space. */
127	if (bus_space_map(nict, 0x10000300, NE2000_NPORTS, 0, &nich)){
128		aprint_error_dev(self, "can't map i/o space\n");
129		return;
130	}
131
132	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
133	    NE2000_ASIC_NPORTS, &asich)) {
134		aprint_error_dev(self, "can't subregion i/o space\n");
135		bus_space_unmap(nict, nich, NE2000_NPORTS);
136		return;
137	}
138
139	dsc->sc_regt = nict;
140	dsc->sc_regh = nich;
141
142	nsc->sc_asict = asict;
143	nsc->sc_asich = asich;
144
145	/*
146	 * Detect it again, so we can print some information about the
147	 * interface.
148	 */
149	netype = ne2000_detect(nict, nich, asict, asich);
150	switch (netype) {
151	case NE2000_TYPE_NE1000:
152		typestr = "NE1000";
153		break;
154
155	case NE2000_TYPE_NE2000:
156		typestr = "NE2000";
157		break;
158
159	case NE2000_TYPE_RTL8019:
160		typestr = "NE2000 (RTL8019)";
161 		break;
162
163	default:
164		aprint_error_dev(self, "where did the card go?!\n");
165		bus_space_unmap(nict, nich, NE2000_NPORTS);
166		return;
167	}
168
169	aprint_normal_dev(self, "%s Ethernet\n", typestr);
170
171	/* This interface is always enabled. */
172	dsc->sc_enabled = 1;
173
174	/* force 8bit */
175	nsc->sc_quirk |= NE2000_QUIRK_8BIT;
176
177	/*
178	 * Do generic NE2000 attach.  This will read the station address
179	 * from the EEPROM.
180	 */
181	ne2000_attach(nsc, NULL);
182
183	/* Establish the interrupt handler. */
184	msc->sc_ih = intc_intr_establish(SH7709_INTEVT2_IRQ2, IST_LEVEL,
185	    IPL_NET, dp8390_intr, dsc);
186	if (msc->sc_ih == NULL)
187		aprint_error_dev(self,
188		    "couldn't establish interrupt handler\n");
189}
190