Annotation of sys/arch/vax/vsa/if_le_vsbus.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_le_vsbus.c,v 1.9 2004/07/07 23:10:46 deraadt Exp $ */
2: /* $NetBSD: if_le_vsbus.c,v 1.10 2000/06/29 07:14:18 mrg Exp $ */
3:
4: /*-
5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Charles M. Hannum.
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: /*-
41: * Copyright (c) 1992, 1993
42: * The Regents of the University of California. All rights reserved.
43: *
44: * This code is derived from software contributed to Berkeley by
45: * Ralph Campbell and Rick Macklem.
46: *
47: * Redistribution and use in source and binary forms, with or without
48: * modification, are permitted provided that the following conditions
49: * are met:
50: * 1. Redistributions of source code must retain the above copyright
51: * notice, this list of conditions and the following disclaimer.
52: * 2. Redistributions in binary form must reproduce the above copyright
53: * notice, this list of conditions and the following disclaimer in the
54: * documentation and/or other materials provided with the distribution.
55: * 3. Neither the name of the University nor the names of its contributors
56: * may be used to endorse or promote products derived from this software
57: * without specific prior written permission.
58: *
59: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
60: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
61: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
62: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
63: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
64: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
65: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
66: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
67: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
69: * SUCH DAMAGE.
70: *
71: * @(#)if_le.c 8.2 (Berkeley) 11/16/93
72: */
73:
74: #include "bpfilter.h"
75:
76: #include <sys/param.h>
77: #include <sys/syslog.h>
78: #include <sys/socket.h>
79: #include <sys/device.h>
80: #include <sys/reboot.h>
81:
82: #include <uvm/uvm_extern.h>
83:
84: #include <net/if.h>
85: #include <net/if_media.h>
86:
87: #ifdef INET
88: #include <netinet/in.h>
89: #endif
90: #include <netinet/if_ether.h>
91:
92: #include <machine/cpu.h>
93: #include <machine/sid.h>
94: #include <machine/scb.h>
95: #include <machine/rpb.h>
96: #include <machine/bus.h>
97: #include <machine/vsbus.h>
98:
99: #include <dev/ic/am7990reg.h>
100: #include <dev/ic/am7990var.h>
101:
102: struct le_softc {
103: struct am7990_softc sc_am7990; /* Must be first */
104: struct evcount sc_intrcnt;
105: bus_dmamap_t sc_dm;
106: volatile u_short *sc_rap;
107: volatile u_short *sc_rdp;
108: };
109:
110: static int le_vsbus_match(struct device *, struct cfdata *, void *);
111: static void le_vsbus_attach(struct device *, struct device *, void *);
112: static void lewrcsr(struct am7990_softc *, u_int16_t, u_int16_t);
113: static u_int16_t lerdcsr(struct am7990_softc *, u_int16_t);
114:
115: struct cfattach le_vsbus_ca = {
116: sizeof(struct le_softc), (cfmatch_t)le_vsbus_match, le_vsbus_attach
117: };
118:
119: static void
120: lewrcsr(ls, port, val)
121: struct am7990_softc *ls;
122: u_int16_t port, val;
123: {
124: struct le_softc *sc = (void *)ls;
125:
126: *sc->sc_rap = port;
127: *sc->sc_rdp = val;
128: }
129:
130: static u_int16_t
131: lerdcsr(ls, port)
132: struct am7990_softc *ls;
133: u_int16_t port;
134: {
135: struct le_softc *sc = (void *)ls;
136:
137: *sc->sc_rap = port;
138: return *sc->sc_rdp;
139: }
140:
141: static int
142: le_vsbus_match(parent, cf, aux)
143: struct device *parent;
144: struct cfdata *cf;
145: void *aux;
146: {
147: struct vsbus_attach_args *va = aux;
148: volatile short *rdp, *rap;
149: struct leinit initblock;
150: bus_dmamap_t map;
151: int i;
152: int rv = 0;
153: int error;
154:
155: if (vax_boardtype == VAX_BTYP_49 || vax_boardtype == VAX_BTYP_1303)
156: return 0;
157:
158: error = bus_dmamap_create(va->va_dmat, sizeof(initblock), 1,
159: sizeof(initblock), 0, BUS_DMA_NOWAIT, &map);
160: if (error) {
161: return 0;
162: }
163:
164: error = bus_dmamap_load(va->va_dmat, map, &initblock,
165: sizeof(initblock), NULL, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
166: if (error) {
167: bus_dmamap_destroy(va->va_dmat, map);
168: return 0;
169: }
170:
171: memset(&initblock, 0, sizeof(initblock));
172:
173: rdp = (short *)va->va_addr;
174: rap = rdp + 2;
175:
176: /* Make sure the chip is stopped. */
177: *rap = LE_CSR0;
178: *rdp = LE_C0_STOP;
179: DELAY(100);
180: *rap = LE_CSR1;
181: *rdp = map->dm_segs->ds_addr & 0xffff;
182: *rap = LE_CSR2;
183: *rdp = (map->dm_segs->ds_addr >> 16) & 0xffff;
184: *rap = LE_CSR0;
185: *rdp = LE_C0_INIT|LE_C0_INEA;
186:
187: /* Wait for initialization to finish. */
188: for (i = 100; i >= 0; i--) {
189: DELAY(1000);
190: /* Should have interrupted by now */
191: if (*rdp & LE_C0_IDON)
192: rv = 1;
193: }
194: *rap = LE_CSR0;
195: *rdp = LE_C0_STOP;
196:
197: bus_dmamap_unload(va->va_dmat, map);
198: bus_dmamap_destroy(va->va_dmat, map);
199: return rv;
200: }
201:
202: static void
203: le_vsbus_attach(parent, self, aux)
204: struct device *parent, *self;
205: void *aux;
206: {
207: struct vsbus_attach_args *va = aux;
208: struct le_softc *sc = (void *)self;
209: bus_dma_segment_t seg;
210: int *lance_addr;
211: int i, err, rseg;
212: static int cvec;
213:
214: sc->sc_rdp = (short *)vax_map_physmem(NI_BASE, 1);
215: sc->sc_rap = sc->sc_rdp + 2;
216:
217: /*
218: * MD functions.
219: */
220: sc->sc_am7990.sc_rdcsr = lerdcsr;
221: sc->sc_am7990.sc_wrcsr = lewrcsr;
222: sc->sc_am7990.sc_nocarrier = NULL;
223:
224: scb_vecalloc(va->va_cvec, (void (*)(void *)) am7990_intr, sc,
225: SCB_ISTACK, &sc->sc_intrcnt);
226: cvec = va->va_cvec;
227: evcount_attach(&sc->sc_intrcnt, self->dv_xname,
228: (void *)&cvec, &evcount_intr);
229:
230: /*
231: * Allocate a (DMA-safe) block for all descriptors and buffers.
232: */
233:
234: #define ALLOCSIZ (64 * 1024)
235: err = bus_dmamem_alloc(va->va_dmat, ALLOCSIZ, NBPG, 0,
236: &seg, 1, &rseg, BUS_DMA_NOWAIT);
237: if (err) {
238: printf(": unable to alloc buffer block: err %d\n", err);
239: return;
240: }
241: err = bus_dmamem_map(va->va_dmat, &seg, rseg, ALLOCSIZ,
242: (caddr_t *)&sc->sc_am7990.sc_mem,
243: BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
244: if (err) {
245: printf(": unable to map buffer block: err %d\n", err);
246: bus_dmamem_free(va->va_dmat, &seg, rseg);
247: return;
248: }
249: err = bus_dmamap_create(va->va_dmat, ALLOCSIZ, rseg, ALLOCSIZ,
250: 0, BUS_DMA_NOWAIT, &sc->sc_dm);
251: if (err) {
252: printf(": unable to create dma map: err %d\n", err);
253: bus_dmamem_free(va->va_dmat, &seg, rseg);
254: return;
255: }
256: err = bus_dmamap_load(va->va_dmat, sc->sc_dm, sc->sc_am7990.sc_mem,
257: ALLOCSIZ, NULL, BUS_DMA_NOWAIT);
258: if (err) {
259: printf(": unable to load dma map: err %d\n", err);
260: bus_dmamap_destroy(va->va_dmat, sc->sc_dm);
261: bus_dmamem_free(va->va_dmat, &seg, rseg);
262: return;
263: }
264: printf(" buf 0x%lx-0x%lx", sc->sc_dm->dm_segs->ds_addr,
265: sc->sc_dm->dm_segs->ds_addr + sc->sc_dm->dm_segs->ds_len - 1);
266: sc->sc_am7990.sc_addr = sc->sc_dm->dm_segs->ds_addr & 0xffffff;
267: sc->sc_am7990.sc_memsize = sc->sc_dm->dm_segs->ds_len;
268:
269: sc->sc_am7990.sc_copytodesc = am7990_copytobuf_contig;
270: sc->sc_am7990.sc_copyfromdesc = am7990_copyfrombuf_contig;
271: sc->sc_am7990.sc_copytobuf = am7990_copytobuf_contig;
272: sc->sc_am7990.sc_copyfrombuf = am7990_copyfrombuf_contig;
273: sc->sc_am7990.sc_zerobuf = am7990_zerobuf_contig;
274:
275: #ifdef LEDEBUG
276: sc->sc_am7990.sc_debug = 1;
277: #endif
278: /*
279: * Get the ethernet address out of rom
280: */
281: lance_addr = (int *)vax_map_physmem(NI_ADDR, 1);
282: for (i = 0; i < 6; i++)
283: sc->sc_am7990.sc_arpcom.ac_enaddr[i] = (u_char)lance_addr[i];
284: vax_unmap_physmem((vaddr_t)lance_addr, 1);
285:
286: bcopy(self->dv_xname, sc->sc_am7990.sc_arpcom.ac_if.if_xname,
287: IFNAMSIZ);
288: /* Prettier printout */
289: printf("\n%s", self->dv_xname);
290:
291: am7990_config(&sc->sc_am7990);
292: }
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