if_le.c revision 1.10 1 1.10 ragge /* $NetBSD: if_le.c,v 1.10 1998/01/24 14:17:02 ragge Exp $ */
2 1.1 ragge
3 1.1 ragge /* #define LE_CHIP_IS_POKEY /* does VS2000 need this ??? */
4 1.1 ragge
5 1.1 ragge /*-
6 1.1 ragge * Copyright (c) 1995 Charles M. Hannum. All rights reserved.
7 1.1 ragge * Copyright (c) 1992, 1993
8 1.1 ragge * The Regents of the University of California. All rights reserved.
9 1.1 ragge *
10 1.1 ragge * This code is derived from software contributed to Berkeley by
11 1.1 ragge * Ralph Campbell and Rick Macklem.
12 1.1 ragge *
13 1.1 ragge * Redistribution and use in source and binary forms, with or without
14 1.1 ragge * modification, are permitted provided that the following conditions
15 1.1 ragge * are met:
16 1.1 ragge * 1. Redistributions of source code must retain the above copyright
17 1.1 ragge * notice, this list of conditions and the following disclaimer.
18 1.1 ragge * 2. Redistributions in binary form must reproduce the above copyright
19 1.1 ragge * notice, this list of conditions and the following disclaimer in the
20 1.1 ragge * documentation and/or other materials provided with the distribution.
21 1.1 ragge * 3. All advertising materials mentioning features or use of this software
22 1.1 ragge * must display the following acknowledgement:
23 1.1 ragge * This product includes software developed by the University of
24 1.1 ragge * California, Berkeley and its contributors.
25 1.1 ragge * 4. Neither the name of the University nor the names of its contributors
26 1.1 ragge * may be used to endorse or promote products derived from this software
27 1.1 ragge * without specific prior written permission.
28 1.1 ragge *
29 1.1 ragge * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30 1.1 ragge * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 1.1 ragge * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 1.1 ragge * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33 1.1 ragge * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 1.1 ragge * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 1.1 ragge * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 1.1 ragge * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 1.1 ragge * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38 1.1 ragge * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 1.1 ragge * SUCH DAMAGE.
40 1.1 ragge *
41 1.1 ragge * @(#)if_le.c 8.2 (Berkeley) 11/16/93
42 1.1 ragge */
43 1.1 ragge
44 1.1 ragge #include "bpfilter.h"
45 1.1 ragge
46 1.1 ragge #include <sys/param.h>
47 1.1 ragge #include <sys/syslog.h>
48 1.1 ragge #include <sys/socket.h>
49 1.1 ragge #include <sys/device.h>
50 1.5 ragge #include <sys/reboot.h>
51 1.1 ragge
52 1.1 ragge #include <net/if.h>
53 1.6 is #include <net/if_ether.h>
54 1.7 thorpej #include <net/if_media.h>
55 1.1 ragge
56 1.1 ragge #if INET
57 1.1 ragge #include <netinet/in.h>
58 1.6 is #include <netinet/if_inarp.h>
59 1.1 ragge #endif
60 1.1 ragge
61 1.1 ragge /*
62 1.1 ragge * This would be nice, but it's not yet there...
63 1.1 ragge *
64 1.1 ragge * #include <machine/autoconf.h>
65 1.1 ragge */
66 1.1 ragge
67 1.1 ragge #include <machine/pte.h>
68 1.1 ragge #include <machine/cpu.h>
69 1.1 ragge #include <machine/mtpr.h>
70 1.1 ragge #include <machine/uvax.h>
71 1.1 ragge #include <machine/ka410.h>
72 1.1 ragge #include <machine/vsbus.h>
73 1.5 ragge #include <machine/rpb.h>
74 1.1 ragge
75 1.1 ragge #include <dev/ic/am7990reg.h>
76 1.1 ragge #define LE_NEED_BUF_CONTIG
77 1.1 ragge #include <dev/ic/am7990var.h>
78 1.1 ragge
79 1.1 ragge #include <dev/tc/if_levar.h>
80 1.1 ragge
81 1.1 ragge #define xdebug(x)
82 1.1 ragge
83 1.1 ragge #ifdef LE_CHIP_IS_POKEY
84 1.1 ragge /*
85 1.1 ragge * access LANCE registers and double-check their contents
86 1.1 ragge */
87 1.1 ragge #define wbflush() /* do nothing */
88 1.1 ragge void lewritereg();
89 1.1 ragge #define LERDWR(cntl, src, dst) { (dst) = (src); wbflush(); }
90 1.1 ragge #define LEWREG(src, dst) lewritereg(&(dst), (src))
91 1.1 ragge #endif
92 1.1 ragge
93 1.1 ragge #define LE_IOSIZE 64*1024 /* 64K of real-mem are reserved and already */
94 1.1 ragge extern void *le_iomem; /* mapped into virt-mem by cpu_steal_pages */
95 1.1 ragge extern u_long le_ioaddr; /* le_iomem is virt, le_ioaddr is phys */
96 1.1 ragge
97 1.1 ragge #define LE_SOFTC(unit) le_cd.cd_devs[unit]
98 1.1 ragge #define LE_DELAY(x) DELAY(x)
99 1.1 ragge
100 1.10 ragge int lematch __P((struct device *, struct cfdata *, void *));
101 1.1 ragge void leattach __P((struct device *, struct device *, void *));
102 1.1 ragge
103 1.1 ragge int leintr __P((void *sc));
104 1.1 ragge
105 1.1 ragge struct cfattach le_ca = {
106 1.1 ragge sizeof(struct le_softc), lematch, leattach
107 1.1 ragge };
108 1.9 thorpej
109 1.9 thorpej extern struct cfdriver le_cd;
110 1.1 ragge
111 1.4 ragge hide void lewrcsr __P ((struct am7990_softc *, u_int16_t, u_int16_t));
112 1.4 ragge hide u_int16_t lerdcsr __P ((struct am7990_softc *, u_int16_t));
113 1.4 ragge
114 1.4 ragge hide void
115 1.1 ragge lewrcsr(sc, port, val)
116 1.4 ragge struct am7990_softc *sc;
117 1.1 ragge u_int16_t port, val;
118 1.1 ragge {
119 1.4 ragge struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
120 1.1 ragge
121 1.1 ragge #ifdef LE_CHIP_IS_POKEY
122 1.1 ragge LEWREG(port, ler1->ler1_rap);
123 1.1 ragge LERDWR(port, val, ler1->ler1_rdp);
124 1.1 ragge #else
125 1.1 ragge ler1->ler1_rap = port;
126 1.1 ragge ler1->ler1_rdp = val;
127 1.1 ragge #endif
128 1.1 ragge }
129 1.1 ragge
130 1.4 ragge hide u_int16_t
131 1.1 ragge lerdcsr(sc, port)
132 1.4 ragge struct am7990_softc *sc;
133 1.1 ragge u_int16_t port;
134 1.1 ragge {
135 1.4 ragge struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
136 1.1 ragge u_int16_t val;
137 1.1 ragge
138 1.1 ragge #ifdef LE_CHIP_IS_POKEY
139 1.1 ragge LEWREG(port, ler1->ler1_rap);
140 1.1 ragge LERDWR(0, ler1->ler1_rdp, val);
141 1.1 ragge #else
142 1.1 ragge ler1->ler1_rap = port;
143 1.1 ragge val = ler1->ler1_rdp;
144 1.1 ragge #endif
145 1.1 ragge return (val);
146 1.1 ragge }
147 1.1 ragge
148 1.4 ragge integrate void
149 1.4 ragge lehwinit(sc)
150 1.4 ragge struct am7990_softc *sc;
151 1.4 ragge {
152 1.4 ragge }
153 1.4 ragge
154 1.1 ragge int
155 1.10 ragge lematch(parent, cf, aux)
156 1.1 ragge struct device *parent;
157 1.10 ragge struct cfdata *cf;
158 1.10 ragge void *aux;
159 1.1 ragge {
160 1.1 ragge struct confargs *ca = aux;
161 1.1 ragge
162 1.1 ragge /*
163 1.1 ragge * There could/should be more checks, but for now...
164 1.1 ragge */
165 1.1 ragge if (strcmp(ca->ca_name, "le") &&
166 1.1 ragge strcmp(ca->ca_name, "am7990") &&
167 1.1 ragge strcmp(ca->ca_name, "AM7990"))
168 1.1 ragge return (0);
169 1.1 ragge
170 1.1 ragge return (1);
171 1.1 ragge }
172 1.1 ragge
173 1.1 ragge /*
174 1.1 ragge *
175 1.1 ragge */
176 1.1 ragge void
177 1.1 ragge leattach(parent, self, aux)
178 1.1 ragge struct device *parent, *self;
179 1.1 ragge void *aux;
180 1.1 ragge {
181 1.1 ragge register struct le_softc *sc = (void *)self;
182 1.1 ragge struct confargs *ca = aux;
183 1.1 ragge u_char *cp; /* pointer to MAC address */
184 1.1 ragge int i;
185 1.1 ragge
186 1.1 ragge sc->sc_r1 = (void*)uvax_phys2virt(ca->ca_ioaddr);
187 1.1 ragge
188 1.1 ragge sc->sc_am7990.sc_conf3 = 0;
189 1.1 ragge sc->sc_am7990.sc_mem = le_iomem;
190 1.1 ragge sc->sc_am7990.sc_addr = le_ioaddr;
191 1.1 ragge sc->sc_am7990.sc_memsize = LE_IOSIZE;
192 1.4 ragge sc->sc_am7990.sc_wrcsr = lewrcsr;
193 1.4 ragge sc->sc_am7990.sc_rdcsr = lerdcsr;
194 1.4 ragge sc->sc_am7990.sc_hwinit = lehwinit;
195 1.4 ragge sc->sc_am7990.sc_nocarrier = NULL;
196 1.1 ragge
197 1.1 ragge xdebug(("leattach: mem=%x, addr=%x, size=%x (%d)\n",
198 1.1 ragge sc->sc_am7990.sc_mem, sc->sc_am7990.sc_addr,
199 1.1 ragge sc->sc_am7990.sc_memsize, sc->sc_am7990.sc_memsize));
200 1.1 ragge
201 1.1 ragge sc->sc_am7990.sc_copytodesc = am7990_copytobuf_contig;
202 1.1 ragge sc->sc_am7990.sc_copyfromdesc = am7990_copyfrombuf_contig;
203 1.1 ragge sc->sc_am7990.sc_copytobuf = am7990_copytobuf_contig;
204 1.1 ragge sc->sc_am7990.sc_copyfrombuf = am7990_copyfrombuf_contig;
205 1.1 ragge sc->sc_am7990.sc_zerobuf = am7990_zerobuf_contig;
206 1.1 ragge
207 1.1 ragge /*
208 1.1 ragge * Get the ethernet address out of rom
209 1.1 ragge */
210 1.6 is for (i = 0; i < sizeof(sc->sc_am7990.sc_enaddr); i++) {
211 1.1 ragge int *eaddr = (void*)uvax_phys2virt(ca->ca_enaddr);
212 1.6 is sc->sc_am7990.sc_enaddr[i] = (u_char)eaddr[i];
213 1.1 ragge }
214 1.1 ragge
215 1.6 is bcopy(self->dv_xname, sc->sc_am7990.sc_ethercom.ec_if.if_xname,
216 1.6 is IFNAMSIZ);
217 1.1 ragge am7990_config(&sc->sc_am7990);
218 1.1 ragge
219 1.1 ragge #ifdef LEDEBUG
220 1.1 ragge sc->sc_am7990.sc_debug = LEDEBUG;
221 1.1 ragge #endif
222 1.1 ragge
223 1.1 ragge vsbus_intr_register(ca, am7990_intr, &sc->sc_am7990);
224 1.1 ragge vsbus_intr_enable(ca);
225 1.5 ragge
226 1.5 ragge /*
227 1.5 ragge * Register this device as boot device if we booted from it.
228 1.5 ragge * This will fail if there are more than one le in a machine,
229 1.5 ragge * fortunately there may be only one.
230 1.5 ragge */
231 1.5 ragge if (B_TYPE(bootdev) == BDEV_LE)
232 1.5 ragge booted_from = self;
233 1.1 ragge }
234 1.1 ragge
235 1.1 ragge #ifdef LE_CHIP_IS_POKEY
236 1.1 ragge /*
237 1.1 ragge * Write a lance register port, reading it back to ensure success. This seems
238 1.1 ragge * to be necessary during initialization, since the chip appears to be a bit
239 1.1 ragge * pokey sometimes.
240 1.1 ragge */
241 1.1 ragge void
242 1.1 ragge lewritereg(regptr, val)
243 1.1 ragge register volatile u_short *regptr;
244 1.1 ragge register u_short val;
245 1.1 ragge {
246 1.1 ragge register int i = 0;
247 1.1 ragge
248 1.1 ragge while (*regptr != val) {
249 1.1 ragge *regptr = val;
250 1.1 ragge wbflush();
251 1.1 ragge if (++i > 10000) {
252 1.3 christos printf("le: Reg did not settle (to x%x): x%x\n", val,
253 1.1 ragge *regptr);
254 1.1 ragge return;
255 1.1 ragge }
256 1.1 ragge DELAY(100);
257 1.1 ragge }
258 1.1 ragge }
259 1.1 ragge #endif
260