if_le_vsbus.c revision 1.3 1 /* $NetBSD: if_le_vsbus.c,v 1.3 2000/01/24 02:54:03 matt Exp $ */
2
3 /*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*-
40 * Copyright (c) 1992, 1993
41 * The Regents of the University of California. All rights reserved.
42 *
43 * This code is derived from software contributed to Berkeley by
44 * Ralph Campbell and Rick Macklem.
45 *
46 * Redistribution and use in source and binary forms, with or without
47 * modification, are permitted provided that the following conditions
48 * are met:
49 * 1. Redistributions of source code must retain the above copyright
50 * notice, this list of conditions and the following disclaimer.
51 * 2. Redistributions in binary form must reproduce the above copyright
52 * notice, this list of conditions and the following disclaimer in the
53 * documentation and/or other materials provided with the distribution.
54 * 3. All advertising materials mentioning features or use of this software
55 * must display the following acknowledgement:
56 * This product includes software developed by the University of
57 * California, Berkeley and its contributors.
58 * 4. Neither the name of the University nor the names of its contributors
59 * may be used to endorse or promote products derived from this software
60 * without specific prior written permission.
61 *
62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
72 * SUCH DAMAGE.
73 *
74 * @(#)if_le.c 8.2 (Berkeley) 11/16/93
75 */
76
77 #include "opt_inet.h"
78 #include "bpfilter.h"
79
80 #include <sys/param.h>
81 #include <sys/syslog.h>
82 #include <sys/socket.h>
83 #include <sys/device.h>
84 #include <sys/reboot.h>
85
86 #include <vm/vm.h>
87 #include <vm/vm_kern.h>
88
89 #include <net/if.h>
90 #include <net/if_ether.h>
91 #include <net/if_media.h>
92
93 #if INET
94 #include <netinet/in.h>
95 #include <netinet/if_inarp.h>
96 #endif
97
98 #include <machine/cpu.h>
99 #include <machine/sid.h>
100 #include <machine/scb.h>
101 #include <machine/bus.h>
102 #include <machine/rpb.h>
103 #include <machine/vsbus.h>
104
105 #include <dev/ic/lancereg.h>
106 #include <dev/ic/lancevar.h>
107 #include <dev/ic/am7990reg.h>
108 #include <dev/ic/am7990var.h>
109
110 #include "ioconf.h"
111
112 struct le_softc {
113 struct am7990_softc sc_am7990; /* Must be first */
114 volatile u_short *sc_rap;
115 volatile u_short *sc_rdp;
116 };
117
118 int le_vsbus_match __P((struct device *, struct cfdata *, void *));
119 void le_vsbus_attach __P((struct device *, struct device *, void *));
120 static void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t));
121 static u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t));
122
123 struct cfattach le_vsbus_ca = {
124 sizeof(struct le_softc), le_vsbus_match, le_vsbus_attach
125 };
126
127 void
128 lewrcsr(ls, port, val)
129 struct lance_softc *ls;
130 u_int16_t port, val;
131 {
132 struct le_softc *sc = (void *)ls;
133
134 *sc->sc_rap = port;
135 *sc->sc_rdp = val;
136 }
137
138 u_int16_t
139 lerdcsr(ls, port)
140 struct lance_softc *ls;
141 u_int16_t port;
142 {
143 struct le_softc *sc = (void *)ls;
144
145 *sc->sc_rap = port;
146 return *sc->sc_rdp;
147 }
148
149 int
150 le_vsbus_match(parent, cf, aux)
151 struct device *parent;
152 struct cfdata *cf;
153 void *aux;
154 {
155 struct vsbus_attach_args *va = aux;
156 volatile short *rdp, *rap;
157
158 if (vax_boardtype == VAX_BTYP_49)
159 return 0;
160 rdp = (short *)va->va_addr;
161 rap = rdp + 2;
162
163 /* Make sure the chip is stopped. */
164 *rap = LE_CSR0;
165 *rdp = LE_C0_STOP;
166 DELAY(100);
167 *rdp = LE_C0_INIT|LE_C0_INEA;
168
169 /* Wait for initialization to finish. */
170 DELAY(100000);
171
172 /* Should have interrupted by now */
173 if (*rdp & LE_C0_IDON)
174 return 1;
175 return 0;
176 }
177
178 void
179 le_vsbus_attach(parent, self, aux)
180 struct device *parent, *self;
181 void *aux;
182 {
183 struct vsbus_attach_args *va = aux;
184 struct le_softc *sc = (void *)self;
185 bus_dma_segment_t seg;
186 int *lance_addr;
187 int i, err, rseg;
188
189 sc->sc_rdp = (short *)vax_map_physmem(NI_BASE, 1);
190 sc->sc_rap = sc->sc_rdp + 2;
191
192 /* Prettier printout */
193 printf("\n%s", self->dv_xname);
194
195 /*
196 * MD functions.
197 */
198 sc->sc_am7990.lsc.sc_rdcsr = lerdcsr;
199 sc->sc_am7990.lsc.sc_wrcsr = lewrcsr;
200 sc->sc_am7990.lsc.sc_nocarrier = NULL;
201
202 scb_vecalloc(va->va_cvec, (void (*)(void *)) am7990_intr, sc, SCB_ISTACK);
203 /*
204 * Allocate a (DMA-safe) block for all descriptors and buffers.
205 */
206
207 #define ALLOCSIZ (64 * 1024)
208 err = bus_dmamem_alloc(va->va_dmat, ALLOCSIZ, NBPG, 0,
209 &seg, 1, &rseg, BUS_DMA_NOWAIT);
210 if (err) {
211 printf(": unable to alloc buffer block: err %d\n", err);
212 return;
213 }
214 err = bus_dmamem_map(va->va_dmat, &seg, rseg, ALLOCSIZ,
215 (caddr_t *)&sc->sc_am7990.lsc.sc_mem,
216 BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
217 if (err) {
218 printf(": unable to map buffer block: err %d\n", err);
219 bus_dmamem_free(va->va_dmat, &seg, rseg);
220 return;
221 }
222 sc->sc_am7990.lsc.sc_addr =
223 (paddr_t)sc->sc_am7990.lsc.sc_mem & 0xffffff;
224 sc->sc_am7990.lsc.sc_memsize = ALLOCSIZ;
225
226 sc->sc_am7990.lsc.sc_copytodesc = lance_copytobuf_contig;
227 sc->sc_am7990.lsc.sc_copyfromdesc = lance_copyfrombuf_contig;
228 sc->sc_am7990.lsc.sc_copytobuf = lance_copytobuf_contig;
229 sc->sc_am7990.lsc.sc_copyfrombuf = lance_copyfrombuf_contig;
230 sc->sc_am7990.lsc.sc_zerobuf = lance_zerobuf_contig;
231
232 /*
233 * Get the ethernet address out of rom
234 */
235 lance_addr = (int *)vax_map_physmem(NI_ADDR, 1);
236 for (i = 0; i < 6; i++)
237 sc->sc_am7990.lsc.sc_enaddr[i] = (u_char)lance_addr[i];
238 vax_unmap_physmem((vaddr_t)lance_addr, 1);
239
240 bcopy(self->dv_xname, sc->sc_am7990.lsc.sc_ethercom.ec_if.if_xname,
241 IFNAMSIZ);
242 am7990_config(&sc->sc_am7990);
243
244 /*
245 * Register this device as boot device if we booted from it.
246 * This will fail if there are more than one le in a machine,
247 * fortunately there may be only one.
248 */
249 if (B_TYPE(bootdev) == BDEV_LE)
250 booted_from = self;
251 }
252