xref: /netbsd-src/sys/arch/x68k/dev/if_ne_neptune.c (revision 326b2259b73e878289ebd80cd9d20bc5aee35e99)
1 /*	$NetBSD: if_ne_neptune.c,v 1.8 2003/07/15 01:44:51 lukem 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  * 3. All advertising materials mentioning features or use of this software
20  *    must display the following acknowledgement:
21  *	This product includes software developed by the NetBSD
22  *	Foundation, Inc. and its contributors.
23  * 4. Neither the name of The NetBSD Foundation nor the names of its
24  *    contributors may be used to endorse or promote products derived
25  *    from this software without specific prior written permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGE.
38  */
39 
40 #include <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: if_ne_neptune.c,v 1.8 2003/07/15 01:44:51 lukem Exp $");
42 
43 #include "opt_inet.h"
44 #include "opt_ns.h"
45 #include "bpfilter.h"
46 
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/mbuf.h>
50 #include <sys/socket.h>
51 #include <sys/ioctl.h>
52 #include <sys/errno.h>
53 #include <sys/syslog.h>
54 #include <sys/select.h>
55 #include <sys/device.h>
56 
57 #include <net/if.h>
58 #include <net/if_dl.h>
59 #include <net/if_ether.h>
60 #include <net/if_media.h>
61 
62 #ifdef INET
63 #include <netinet/in.h>
64 #include <netinet/in_systm.h>
65 #include <netinet/in_var.h>
66 #include <netinet/ip.h>
67 #include <netinet/if_inarp.h>
68 #endif
69 
70 #ifdef NS
71 #include <netns/ns.h>
72 #include <netns/ns_if.h>
73 #endif
74 
75 #if NBPFILTER > 0
76 #include <net/bpf.h>
77 #include <net/bpfdesc.h>
78 #endif
79 
80 #include <machine/bus.h>
81 
82 #include <dev/ic/dp8390reg.h>
83 #include <dev/ic/dp8390var.h>
84 
85 #include <dev/ic/ne2000reg.h>
86 #include <dev/ic/ne2000var.h>
87 
88 #include <dev/ic/rtl80x9reg.h>
89 #include <dev/ic/rtl80x9var.h>
90 
91 #include <arch/x68k/dev/neptunevar.h>
92 
93 static int ne_neptune_match __P((struct device *, struct cfdata *, void *));
94 static void ne_neptune_attach __P((struct device *, struct device *, void *));
95 static int ne_neptune_intr __P((void *));
96 
97 #define ne_neptune_softc ne2000_softc
98 
99 CFATTACH_DECL(ne_neptune, sizeof(struct ne_neptune_softc),
100     ne_neptune_match, ne_neptune_attach, NULL, NULL);
101 
102 int
103 ne_neptune_match(parent, match, aux)
104 	struct device *parent;
105 	struct cfdata *match;
106 	void *aux;
107 {
108 	struct neptune_attach_args *na = aux;
109 	bus_space_tag_t nict = na->na_bst;
110 	bus_space_handle_t nich;
111 	bus_space_tag_t asict;
112 	bus_space_handle_t asich;
113 	int rv = 0;
114 
115 	if (na->na_addr == NEPTUNECF_ADDR_DEFAULT)
116 		na->na_addr = 0x300;
117 
118 	/* Make sure this is a valid NE[12]000 i/o address. */
119 	if ((na->na_addr & 0x1f) != 0)
120 		return (0);
121 
122 	/* Map i/o space. */
123 	if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich))
124 		return (0);
125 
126 	asict = nict;
127 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
128 	    NE2000_ASIC_NPORTS*2, &asich))
129 		goto out;
130 
131 	/* Look for an NE2000-compatible card. */
132 	rv = ne2000_detect(nict, nich, asict, asich);
133 
134  out:
135 	bus_space_unmap(nict, nich, NE2000_NPORTS);
136 	return (rv);
137 }
138 
139 void
140 ne_neptune_attach(parent, self, aux)
141 	struct device *parent, *self;
142 	void *aux;
143 {
144 	struct ne_neptune_softc *nsc = (struct ne_neptune_softc *)self;
145 	struct dp8390_softc *dsc = &nsc->sc_dp8390;
146 	struct neptune_attach_args *na = aux;
147 	bus_space_tag_t nict = na->na_bst;
148 	bus_space_handle_t nich;
149 	bus_space_tag_t asict = nict;
150 	bus_space_handle_t asich;
151 	const char *typestr;
152 	int netype;
153 
154 	printf("\n");
155 
156 	/* Map i/o space. */
157 	if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) {
158 		printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname);
159 		return;
160 	}
161 
162 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
163 	    NE2000_ASIC_NPORTS*2, &asich)) {
164 		printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
165 		return;
166 	}
167 
168 	dsc->sc_regt = nict;
169 	dsc->sc_regh = nich;
170 
171 	nsc->sc_asict = asict;
172 	nsc->sc_asich = asich;
173 
174 	/*
175 	 * Detect it again, so we can print some information about the
176 	 * interface.
177 	 */
178 	netype = ne2000_detect(nict, nich, asict, asich);
179 	switch (netype) {
180 	case NE2000_TYPE_NE1000:
181 		typestr = "NE1000";
182 		break;
183 
184 	case NE2000_TYPE_NE2000:
185 		typestr = "NE2000";
186 		/*
187 		 * Check for a RealTek 8019.
188 		 */
189 		bus_space_write_1(nict, nich, ED_P0_CR,
190 		    ED_CR_PAGE_0 | ED_CR_STP);
191 		if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
192 								RTL0_8019ID0 &&
193 		    bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
194 								RTL0_8019ID1) {
195 			typestr = "NE2000 (RTL8019)";
196 			dsc->sc_mediachange = rtl80x9_mediachange;
197 			dsc->sc_mediastatus = rtl80x9_mediastatus;
198 			dsc->init_card = rtl80x9_init_card;
199 			dsc->sc_media_init = rtl80x9_media_init;
200 		}
201 		break;
202 
203 	default:
204 		printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname);
205 		return;
206 	}
207 
208 	printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr);
209 
210 	/* This interface is always enabled. */
211 	dsc->sc_enabled = 1;
212 
213 	/*
214 	 * Do generic NE2000 attach.  This will read the station address
215 	 * from the EEPROM.
216 	 */
217 	ne2000_attach(nsc, NULL);
218 
219 	/* Establish the interrupt handler. */
220 	if (neptune_intr_establish(na->na_intr, "ne", ne_neptune_intr, dsc))
221 		printf("%s: couldn't establish interrupt handler\n",
222 		    dsc->sc_dev.dv_xname);
223 }
224 
225 static int
226 ne_neptune_intr(arg)
227 	void *arg;
228 {
229 	spl4();			/* XXX */
230 	return dp8390_intr(arg);
231 }
232