if_le_vsbus.c revision 1.23 1 1.23 tsutsui /* $NetBSD: if_le_vsbus.c,v 1.23 2008/04/04 12:25:07 tsutsui Exp $ */
2 1.1 ragge
3 1.1 ragge /*-
4 1.1 ragge * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 1.1 ragge * All rights reserved.
6 1.1 ragge *
7 1.1 ragge * This code is derived from software contributed to The NetBSD Foundation
8 1.1 ragge * by Charles M. Hannum.
9 1.1 ragge *
10 1.1 ragge * Redistribution and use in source and binary forms, with or without
11 1.1 ragge * modification, are permitted provided that the following conditions
12 1.1 ragge * are met:
13 1.1 ragge * 1. Redistributions of source code must retain the above copyright
14 1.1 ragge * notice, this list of conditions and the following disclaimer.
15 1.1 ragge * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 ragge * notice, this list of conditions and the following disclaimer in the
17 1.1 ragge * documentation and/or other materials provided with the distribution.
18 1.1 ragge * 3. All advertising materials mentioning features or use of this software
19 1.1 ragge * must display the following acknowledgement:
20 1.1 ragge * This product includes software developed by the NetBSD
21 1.1 ragge * Foundation, Inc. and its contributors.
22 1.1 ragge * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.1 ragge * contributors may be used to endorse or promote products derived
24 1.1 ragge * from this software without specific prior written permission.
25 1.1 ragge *
26 1.1 ragge * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.1 ragge * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.1 ragge * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.1 ragge * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.1 ragge * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.1 ragge * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.1 ragge * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.1 ragge * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.1 ragge * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.1 ragge * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.1 ragge * POSSIBILITY OF SUCH DAMAGE.
37 1.1 ragge */
38 1.1 ragge
39 1.1 ragge /*-
40 1.1 ragge * Copyright (c) 1992, 1993
41 1.1 ragge * The Regents of the University of California. All rights reserved.
42 1.1 ragge *
43 1.1 ragge * This code is derived from software contributed to Berkeley by
44 1.1 ragge * Ralph Campbell and Rick Macklem.
45 1.1 ragge *
46 1.1 ragge * Redistribution and use in source and binary forms, with or without
47 1.1 ragge * modification, are permitted provided that the following conditions
48 1.1 ragge * are met:
49 1.1 ragge * 1. Redistributions of source code must retain the above copyright
50 1.1 ragge * notice, this list of conditions and the following disclaimer.
51 1.1 ragge * 2. Redistributions in binary form must reproduce the above copyright
52 1.1 ragge * notice, this list of conditions and the following disclaimer in the
53 1.1 ragge * documentation and/or other materials provided with the distribution.
54 1.19 agc * 3. Neither the name of the University nor the names of its contributors
55 1.1 ragge * may be used to endorse or promote products derived from this software
56 1.1 ragge * without specific prior written permission.
57 1.1 ragge *
58 1.1 ragge * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
59 1.1 ragge * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
60 1.1 ragge * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
61 1.1 ragge * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
62 1.1 ragge * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
63 1.1 ragge * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
64 1.1 ragge * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
65 1.1 ragge * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
66 1.1 ragge * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
67 1.1 ragge * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
68 1.1 ragge * SUCH DAMAGE.
69 1.1 ragge *
70 1.1 ragge * @(#)if_le.c 8.2 (Berkeley) 11/16/93
71 1.1 ragge */
72 1.18 lukem
73 1.18 lukem #include <sys/cdefs.h>
74 1.23 tsutsui __KERNEL_RCSID(0, "$NetBSD: if_le_vsbus.c,v 1.23 2008/04/04 12:25:07 tsutsui Exp $");
75 1.1 ragge
76 1.1 ragge #include "opt_inet.h"
77 1.1 ragge #include "bpfilter.h"
78 1.1 ragge
79 1.1 ragge #include <sys/param.h>
80 1.1 ragge #include <sys/syslog.h>
81 1.1 ragge #include <sys/socket.h>
82 1.1 ragge #include <sys/device.h>
83 1.1 ragge #include <sys/reboot.h>
84 1.1 ragge
85 1.10 mrg #include <uvm/uvm_extern.h>
86 1.1 ragge
87 1.1 ragge #include <net/if.h>
88 1.1 ragge #include <net/if_ether.h>
89 1.1 ragge #include <net/if_media.h>
90 1.1 ragge
91 1.12 lukem #ifdef INET
92 1.1 ragge #include <netinet/in.h>
93 1.1 ragge #include <netinet/if_inarp.h>
94 1.1 ragge #endif
95 1.1 ragge
96 1.1 ragge #include <machine/cpu.h>
97 1.2 ragge #include <machine/sid.h>
98 1.3 matt #include <machine/scb.h>
99 1.1 ragge #include <machine/bus.h>
100 1.1 ragge #include <machine/vsbus.h>
101 1.1 ragge
102 1.1 ragge #include <dev/ic/lancereg.h>
103 1.1 ragge #include <dev/ic/lancevar.h>
104 1.1 ragge #include <dev/ic/am7990reg.h>
105 1.1 ragge #include <dev/ic/am7990var.h>
106 1.1 ragge
107 1.1 ragge #include "ioconf.h"
108 1.1 ragge
109 1.1 ragge struct le_softc {
110 1.1 ragge struct am7990_softc sc_am7990; /* Must be first */
111 1.7 matt struct evcnt sc_intrcnt;
112 1.4 matt bus_dmamap_t sc_dm;
113 1.22 matt volatile uint16_t *sc_rap;
114 1.22 matt volatile uint16_t *sc_rdp;
115 1.1 ragge };
116 1.1 ragge
117 1.22 matt static int le_vsbus_match(device_t, cfdata_t, void *);
118 1.22 matt static void le_vsbus_attach(device_t, device_t, void *);
119 1.22 matt static void lewrcsr(struct lance_softc *, uint16_t, uint16_t);
120 1.22 matt static uint16_t lerdcsr(struct lance_softc *, uint16_t);
121 1.1 ragge
122 1.23 tsutsui CFATTACH_DECL_NEW(le_vsbus, sizeof(struct le_softc),
123 1.15 thorpej le_vsbus_match, le_vsbus_attach, NULL, NULL);
124 1.1 ragge
125 1.22 matt void
126 1.22 matt lewrcsr(struct lance_softc *ls, uint16_t port, uint16_t val)
127 1.1 ragge {
128 1.22 matt struct le_softc * const sc = (void *)ls;
129 1.1 ragge
130 1.1 ragge *sc->sc_rap = port;
131 1.1 ragge *sc->sc_rdp = val;
132 1.1 ragge }
133 1.1 ragge
134 1.22 matt uint16_t
135 1.22 matt lerdcsr(struct lance_softc *ls, uint16_t port)
136 1.1 ragge {
137 1.22 matt struct le_softc * const sc = (void *)ls;
138 1.1 ragge
139 1.1 ragge *sc->sc_rap = port;
140 1.1 ragge return *sc->sc_rdp;
141 1.1 ragge }
142 1.1 ragge
143 1.4 matt static int
144 1.22 matt le_vsbus_match(device_t parent, cfdata_t cf, void *aux)
145 1.1 ragge {
146 1.22 matt struct vsbus_attach_args * const va = aux;
147 1.22 matt volatile uint16_t *rdp, *rap;
148 1.4 matt struct leinit initblock;
149 1.4 matt bus_dmamap_t map;
150 1.4 matt int i;
151 1.4 matt int rv = 0;
152 1.4 matt int error;
153 1.1 ragge
154 1.11 ragge if (vax_boardtype == VAX_BTYP_49 || vax_boardtype == VAX_BTYP_53)
155 1.2 ragge return 0;
156 1.4 matt
157 1.4 matt error = bus_dmamap_create(va->va_dmat, sizeof(initblock), 1,
158 1.5 ragge sizeof(initblock), 0, BUS_DMA_NOWAIT, &map);
159 1.4 matt if (error) {
160 1.4 matt return 0;
161 1.4 matt }
162 1.4 matt
163 1.4 matt error = bus_dmamap_load(va->va_dmat, map, &initblock,
164 1.4 matt sizeof(initblock), NULL, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
165 1.4 matt if (error) {
166 1.4 matt bus_dmamap_destroy(va->va_dmat, map);
167 1.4 matt return 0;
168 1.4 matt }
169 1.4 matt
170 1.4 matt memset(&initblock, 0, sizeof(initblock));
171 1.4 matt
172 1.22 matt rdp = (uint16_t *)va->va_addr;
173 1.1 ragge rap = rdp + 2;
174 1.1 ragge
175 1.1 ragge /* Make sure the chip is stopped. */
176 1.1 ragge *rap = LE_CSR0;
177 1.1 ragge *rdp = LE_C0_STOP;
178 1.1 ragge DELAY(100);
179 1.4 matt *rap = LE_CSR1;
180 1.4 matt *rdp = map->dm_segs->ds_addr & 0xffff;
181 1.4 matt *rap = LE_CSR2;
182 1.4 matt *rdp = (map->dm_segs->ds_addr >> 16) & 0xffff;
183 1.4 matt *rap = LE_CSR0;
184 1.1 ragge *rdp = LE_C0_INIT|LE_C0_INEA;
185 1.1 ragge
186 1.1 ragge /* Wait for initialization to finish. */
187 1.4 matt for (i = 100; i >= 0; i--) {
188 1.4 matt DELAY(1000);
189 1.4 matt /* Should have interrupted by now */
190 1.4 matt if (*rdp & LE_C0_IDON)
191 1.4 matt rv = 1;
192 1.4 matt }
193 1.4 matt *rap = LE_CSR0;
194 1.4 matt *rdp = LE_C0_STOP;
195 1.1 ragge
196 1.4 matt bus_dmamap_unload(va->va_dmat, map);
197 1.4 matt bus_dmamap_destroy(va->va_dmat, map);
198 1.4 matt return rv;
199 1.1 ragge }
200 1.1 ragge
201 1.4 matt static void
202 1.22 matt le_vsbus_attach(device_t parent, device_t self, void *aux)
203 1.1 ragge {
204 1.22 matt struct vsbus_attach_args * const va = aux;
205 1.22 matt struct le_softc * const sc = device_private(self);
206 1.1 ragge bus_dma_segment_t seg;
207 1.1 ragge int *lance_addr;
208 1.1 ragge int i, err, rseg;
209 1.1 ragge
210 1.23 tsutsui sc->sc_am7990.lsc.sc_dev = self;
211 1.22 matt sc->sc_rdp = (uint16_t *) vax_map_physmem(NI_BASE, 1);
212 1.1 ragge sc->sc_rap = sc->sc_rdp + 2;
213 1.1 ragge
214 1.1 ragge /*
215 1.1 ragge * MD functions.
216 1.1 ragge */
217 1.1 ragge sc->sc_am7990.lsc.sc_rdcsr = lerdcsr;
218 1.1 ragge sc->sc_am7990.lsc.sc_wrcsr = lewrcsr;
219 1.1 ragge sc->sc_am7990.lsc.sc_nocarrier = NULL;
220 1.1 ragge
221 1.7 matt scb_vecalloc(va->va_cvec, (void (*)(void *)) am7990_intr, sc,
222 1.7 matt SCB_ISTACK, &sc->sc_intrcnt);
223 1.8 matt evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL,
224 1.22 matt device_xname(self), "intr");
225 1.7 matt
226 1.23 tsutsui /*
227 1.23 tsutsui * Allocate a (DMA-safe) block for all descriptors and buffers.
228 1.23 tsutsui */
229 1.1 ragge
230 1.1 ragge #define ALLOCSIZ (64 * 1024)
231 1.23 tsutsui err = bus_dmamem_alloc(va->va_dmat, ALLOCSIZ, PAGE_SIZE, 0,
232 1.23 tsutsui &seg, 1, &rseg, BUS_DMA_NOWAIT);
233 1.23 tsutsui if (err) {
234 1.23 tsutsui aprint_error(": unable to alloc buffer block: err %d\n", err);
235 1.23 tsutsui return;
236 1.23 tsutsui }
237 1.23 tsutsui err = bus_dmamem_map(va->va_dmat, &seg, rseg, ALLOCSIZ,
238 1.23 tsutsui (void **)&sc->sc_am7990.lsc.sc_mem,
239 1.1 ragge BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
240 1.23 tsutsui if (err) {
241 1.23 tsutsui aprint_error(": unable to map buffer block: err %d\n", err);
242 1.23 tsutsui bus_dmamem_free(va->va_dmat, &seg, rseg);
243 1.23 tsutsui return;
244 1.23 tsutsui }
245 1.23 tsutsui bus_dmamap_create(va->va_dmat, ALLOCSIZ, rseg, ALLOCSIZ,
246 1.4 matt 0, BUS_DMA_NOWAIT, &sc->sc_dm);
247 1.23 tsutsui if (err) {
248 1.23 tsutsui aprint_error(": unable to create DMA map: err %d\n", err);
249 1.23 tsutsui bus_dmamem_free(va->va_dmat, &seg, rseg);
250 1.23 tsutsui return;
251 1.23 tsutsui }
252 1.4 matt err = bus_dmamap_load(va->va_dmat, sc->sc_dm, sc->sc_am7990.lsc.sc_mem,
253 1.4 matt ALLOCSIZ, NULL, BUS_DMA_NOWAIT);
254 1.23 tsutsui if (err) {
255 1.23 tsutsui aprint_error(": unable to load DMA map: err %d\n", err);
256 1.23 tsutsui bus_dmamap_destroy(va->va_dmat, sc->sc_dm);
257 1.23 tsutsui bus_dmamem_free(va->va_dmat, &seg, rseg);
258 1.23 tsutsui return;
259 1.23 tsutsui }
260 1.22 matt aprint_normal(" buf 0x%lx-0x%lx", sc->sc_dm->dm_segs->ds_addr,
261 1.4 matt sc->sc_dm->dm_segs->ds_addr + sc->sc_dm->dm_segs->ds_len - 1);
262 1.4 matt sc->sc_am7990.lsc.sc_addr = sc->sc_dm->dm_segs->ds_addr & 0xffffff;
263 1.4 matt sc->sc_am7990.lsc.sc_memsize = sc->sc_dm->dm_segs->ds_len;
264 1.1 ragge
265 1.1 ragge sc->sc_am7990.lsc.sc_copytodesc = lance_copytobuf_contig;
266 1.1 ragge sc->sc_am7990.lsc.sc_copyfromdesc = lance_copyfrombuf_contig;
267 1.1 ragge sc->sc_am7990.lsc.sc_copytobuf = lance_copytobuf_contig;
268 1.1 ragge sc->sc_am7990.lsc.sc_copyfrombuf = lance_copyfrombuf_contig;
269 1.1 ragge sc->sc_am7990.lsc.sc_zerobuf = lance_zerobuf_contig;
270 1.1 ragge
271 1.4 matt #ifdef LEDEBUG
272 1.4 matt sc->sc_am7990.lsc.sc_debug = 1;
273 1.4 matt #endif
274 1.1 ragge /*
275 1.1 ragge * Get the ethernet address out of rom
276 1.1 ragge */
277 1.1 ragge lance_addr = (int *)vax_map_physmem(NI_ADDR, 1);
278 1.23 tsutsui for (i = 0; i < ETHER_ADDR_LEN; i++)
279 1.1 ragge sc->sc_am7990.lsc.sc_enaddr[i] = (u_char)lance_addr[i];
280 1.1 ragge vax_unmap_physmem((vaddr_t)lance_addr, 1);
281 1.1 ragge
282 1.22 matt bcopy(device_xname(self), sc->sc_am7990.lsc.sc_ethercom.ec_if.if_xname,
283 1.1 ragge IFNAMSIZ);
284 1.22 matt
285 1.4 matt /* Prettier printout */
286 1.22 matt aprint_normal("\n%s", device_xname(self));
287 1.4 matt
288 1.1 ragge am7990_config(&sc->sc_am7990);
289 1.1 ragge }
290