makphy.c revision 1.2.2.7 1 1.2.2.7 jdolecek /* $NetBSD: makphy.c,v 1.2.2.7 2002/09/06 08:45:01 jdolecek Exp $ */
2 1.2.2.2 lukem
3 1.2.2.2 lukem /*-
4 1.2.2.2 lukem * Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc.
5 1.2.2.2 lukem * All rights reserved.
6 1.2.2.2 lukem *
7 1.2.2.2 lukem * This code is derived from software contributed to The NetBSD Foundation
8 1.2.2.2 lukem * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 1.2.2.2 lukem * NASA Ames Research Center.
10 1.2.2.2 lukem *
11 1.2.2.2 lukem * Redistribution and use in source and binary forms, with or without
12 1.2.2.2 lukem * modification, are permitted provided that the following conditions
13 1.2.2.2 lukem * are met:
14 1.2.2.2 lukem * 1. Redistributions of source code must retain the above copyright
15 1.2.2.2 lukem * notice, this list of conditions and the following disclaimer.
16 1.2.2.2 lukem * 2. Redistributions in binary form must reproduce the above copyright
17 1.2.2.2 lukem * notice, this list of conditions and the following disclaimer in the
18 1.2.2.2 lukem * documentation and/or other materials provided with the distribution.
19 1.2.2.2 lukem * 3. All advertising materials mentioning features or use of this software
20 1.2.2.2 lukem * must display the following acknowledgement:
21 1.2.2.2 lukem * This product includes software developed by the NetBSD
22 1.2.2.2 lukem * Foundation, Inc. and its contributors.
23 1.2.2.2 lukem * 4. Neither the name of The NetBSD Foundation nor the names of its
24 1.2.2.2 lukem * contributors may be used to endorse or promote products derived
25 1.2.2.2 lukem * from this software without specific prior written permission.
26 1.2.2.2 lukem *
27 1.2.2.2 lukem * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 1.2.2.2 lukem * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 1.2.2.2 lukem * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 1.2.2.2 lukem * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 1.2.2.2 lukem * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 1.2.2.2 lukem * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 1.2.2.2 lukem * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 1.2.2.2 lukem * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 1.2.2.2 lukem * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 1.2.2.2 lukem * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 1.2.2.2 lukem * POSSIBILITY OF SUCH DAMAGE.
38 1.2.2.2 lukem */
39 1.2.2.2 lukem
40 1.2.2.2 lukem /*
41 1.2.2.2 lukem * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
42 1.2.2.2 lukem *
43 1.2.2.2 lukem * Redistribution and use in source and binary forms, with or without
44 1.2.2.2 lukem * modification, are permitted provided that the following conditions
45 1.2.2.2 lukem * are met:
46 1.2.2.2 lukem * 1. Redistributions of source code must retain the above copyright
47 1.2.2.2 lukem * notice, this list of conditions and the following disclaimer.
48 1.2.2.2 lukem * 2. Redistributions in binary form must reproduce the above copyright
49 1.2.2.2 lukem * notice, this list of conditions and the following disclaimer in the
50 1.2.2.2 lukem * documentation and/or other materials provided with the distribution.
51 1.2.2.2 lukem * 3. All advertising materials mentioning features or use of this software
52 1.2.2.2 lukem * must display the following acknowledgement:
53 1.2.2.2 lukem * This product includes software developed by Manuel Bouyer.
54 1.2.2.2 lukem * 4. The name of the author may not be used to endorse or promote products
55 1.2.2.2 lukem * derived from this software without specific prior written permission.
56 1.2.2.2 lukem *
57 1.2.2.2 lukem * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
58 1.2.2.2 lukem * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
59 1.2.2.2 lukem * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
60 1.2.2.2 lukem * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
61 1.2.2.2 lukem * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
62 1.2.2.2 lukem * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
63 1.2.2.2 lukem * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
64 1.2.2.2 lukem * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
65 1.2.2.2 lukem * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
66 1.2.2.2 lukem * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
67 1.2.2.2 lukem */
68 1.2.2.2 lukem
69 1.2.2.2 lukem /*
70 1.2.2.2 lukem * Driver for the Marvell 88E1000 ``Alaska'' 10/100/1000 PHY.
71 1.2.2.2 lukem */
72 1.2.2.2 lukem
73 1.2.2.4 thorpej #include <sys/cdefs.h>
74 1.2.2.7 jdolecek __KERNEL_RCSID(0, "$NetBSD: makphy.c,v 1.2.2.7 2002/09/06 08:45:01 jdolecek Exp $");
75 1.2.2.4 thorpej
76 1.2.2.2 lukem #include <sys/param.h>
77 1.2.2.2 lukem #include <sys/systm.h>
78 1.2.2.2 lukem #include <sys/kernel.h>
79 1.2.2.2 lukem #include <sys/device.h>
80 1.2.2.2 lukem #include <sys/socket.h>
81 1.2.2.2 lukem #include <sys/errno.h>
82 1.2.2.2 lukem
83 1.2.2.2 lukem #include <net/if.h>
84 1.2.2.2 lukem #include <net/if_media.h>
85 1.2.2.2 lukem
86 1.2.2.2 lukem #include <dev/mii/mii.h>
87 1.2.2.2 lukem #include <dev/mii/miivar.h>
88 1.2.2.2 lukem #include <dev/mii/miidevs.h>
89 1.2.2.2 lukem
90 1.2.2.2 lukem #include <dev/mii/makphyreg.h>
91 1.2.2.2 lukem
92 1.2.2.3 thorpej int makphymatch(struct device *, struct cfdata *, void *);
93 1.2.2.3 thorpej void makphyattach(struct device *, struct device *, void *);
94 1.2.2.2 lukem
95 1.2.2.2 lukem struct cfattach makphy_ca = {
96 1.2.2.2 lukem sizeof(struct mii_softc), makphymatch, makphyattach,
97 1.2.2.2 lukem mii_phy_detach, mii_phy_activate
98 1.2.2.2 lukem };
99 1.2.2.2 lukem
100 1.2.2.3 thorpej int makphy_service(struct mii_softc *, struct mii_data *, int);
101 1.2.2.3 thorpej void makphy_status(struct mii_softc *);
102 1.2.2.2 lukem
103 1.2.2.2 lukem const struct mii_phy_funcs makphy_funcs = {
104 1.2.2.2 lukem makphy_service, makphy_status, mii_phy_reset,
105 1.2.2.2 lukem };
106 1.2.2.2 lukem
107 1.2.2.2 lukem const struct mii_phydesc makphys[] = {
108 1.2.2.5 jdolecek { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1000_3,
109 1.2.2.5 jdolecek MII_STR_xxMARVELL_E1000_3 },
110 1.2.2.5 jdolecek
111 1.2.2.5 jdolecek { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1000_5,
112 1.2.2.5 jdolecek MII_STR_xxMARVELL_E1000_5 },
113 1.2.2.2 lukem
114 1.2.2.7 jdolecek { MII_OUI_xxMARVELL, MII_MODEL_xxMARVELL_E1011,
115 1.2.2.7 jdolecek MII_STR_xxMARVELL_E1011 },
116 1.2.2.7 jdolecek
117 1.2.2.2 lukem { 0, 0,
118 1.2.2.2 lukem NULL },
119 1.2.2.2 lukem };
120 1.2.2.2 lukem
121 1.2.2.2 lukem int
122 1.2.2.3 thorpej makphymatch(struct device *parent, struct cfdata *match, void *aux)
123 1.2.2.2 lukem {
124 1.2.2.2 lukem struct mii_attach_args *ma = aux;
125 1.2.2.2 lukem
126 1.2.2.2 lukem if (mii_phy_match(ma, makphys) != NULL)
127 1.2.2.2 lukem return (10);
128 1.2.2.2 lukem
129 1.2.2.2 lukem return (0);
130 1.2.2.2 lukem }
131 1.2.2.2 lukem
132 1.2.2.2 lukem void
133 1.2.2.3 thorpej makphyattach(struct device *parent, struct device *self, void *aux)
134 1.2.2.2 lukem {
135 1.2.2.2 lukem struct mii_softc *sc = (struct mii_softc *)self;
136 1.2.2.2 lukem struct mii_attach_args *ma = aux;
137 1.2.2.2 lukem struct mii_data *mii = ma->mii_data;
138 1.2.2.2 lukem const struct mii_phydesc *mpd;
139 1.2.2.2 lukem
140 1.2.2.2 lukem mpd = mii_phy_match(ma, makphys);
141 1.2.2.2 lukem printf(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
142 1.2.2.2 lukem
143 1.2.2.2 lukem sc->mii_inst = mii->mii_instance;
144 1.2.2.2 lukem sc->mii_phy = ma->mii_phyno;
145 1.2.2.2 lukem sc->mii_funcs = &makphy_funcs;
146 1.2.2.2 lukem sc->mii_pdata = mii;
147 1.2.2.6 jdolecek sc->mii_flags = ma->mii_flags;
148 1.2.2.2 lukem sc->mii_anegticks = 5;
149 1.2.2.2 lukem
150 1.2.2.2 lukem PHY_RESET(sc);
151 1.2.2.2 lukem
152 1.2.2.2 lukem sc->mii_capabilities =
153 1.2.2.2 lukem PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
154 1.2.2.2 lukem if (sc->mii_capabilities & BMSR_EXTSTAT)
155 1.2.2.2 lukem sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
156 1.2.2.2 lukem
157 1.2.2.2 lukem printf("%s: ", sc->mii_dev.dv_xname);
158 1.2.2.2 lukem if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 &&
159 1.2.2.2 lukem (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0)
160 1.2.2.2 lukem printf("no media present");
161 1.2.2.2 lukem else
162 1.2.2.2 lukem mii_phy_add_media(sc);
163 1.2.2.2 lukem printf("\n");
164 1.2.2.2 lukem }
165 1.2.2.2 lukem
166 1.2.2.2 lukem int
167 1.2.2.3 thorpej makphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
168 1.2.2.2 lukem {
169 1.2.2.2 lukem struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
170 1.2.2.2 lukem int reg;
171 1.2.2.2 lukem
172 1.2.2.2 lukem switch (cmd) {
173 1.2.2.2 lukem case MII_POLLSTAT:
174 1.2.2.2 lukem /*
175 1.2.2.2 lukem * If we're not polling our PHY instance, just return.
176 1.2.2.2 lukem */
177 1.2.2.2 lukem if (IFM_INST(ife->ifm_media) != sc->mii_inst)
178 1.2.2.2 lukem return (0);
179 1.2.2.2 lukem break;
180 1.2.2.2 lukem
181 1.2.2.2 lukem case MII_MEDIACHG:
182 1.2.2.2 lukem /*
183 1.2.2.2 lukem * If the media indicates a different PHY instance,
184 1.2.2.2 lukem * isolate ourselves.
185 1.2.2.2 lukem */
186 1.2.2.2 lukem if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
187 1.2.2.2 lukem reg = PHY_READ(sc, MII_BMCR);
188 1.2.2.2 lukem PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
189 1.2.2.2 lukem return (0);
190 1.2.2.2 lukem }
191 1.2.2.2 lukem
192 1.2.2.2 lukem /*
193 1.2.2.2 lukem * If the interface is not up, don't do anything.
194 1.2.2.2 lukem */
195 1.2.2.2 lukem if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
196 1.2.2.2 lukem break;
197 1.2.2.2 lukem
198 1.2.2.2 lukem mii_phy_setmedia(sc);
199 1.2.2.2 lukem break;
200 1.2.2.2 lukem
201 1.2.2.2 lukem case MII_TICK:
202 1.2.2.2 lukem /*
203 1.2.2.2 lukem * If we're not currently selected, just return.
204 1.2.2.2 lukem */
205 1.2.2.2 lukem if (IFM_INST(ife->ifm_media) != sc->mii_inst)
206 1.2.2.2 lukem return (0);
207 1.2.2.2 lukem
208 1.2.2.2 lukem if (mii_phy_tick(sc) == EJUSTRETURN)
209 1.2.2.2 lukem return (0);
210 1.2.2.2 lukem break;
211 1.2.2.2 lukem
212 1.2.2.2 lukem case MII_DOWN:
213 1.2.2.2 lukem mii_phy_down(sc);
214 1.2.2.2 lukem return (0);
215 1.2.2.2 lukem }
216 1.2.2.2 lukem
217 1.2.2.2 lukem /* Update the media status. */
218 1.2.2.2 lukem mii_phy_status(sc);
219 1.2.2.2 lukem
220 1.2.2.2 lukem /* Callback if something changed. */
221 1.2.2.2 lukem mii_phy_update(sc, cmd);
222 1.2.2.2 lukem return (0);
223 1.2.2.2 lukem }
224 1.2.2.2 lukem
225 1.2.2.2 lukem void
226 1.2.2.3 thorpej makphy_status(struct mii_softc *sc)
227 1.2.2.2 lukem {
228 1.2.2.2 lukem struct mii_data *mii = sc->mii_pdata;
229 1.2.2.2 lukem struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
230 1.2.2.2 lukem int bmcr, pssr, gtsr;
231 1.2.2.2 lukem
232 1.2.2.2 lukem mii->mii_media_status = IFM_AVALID;
233 1.2.2.2 lukem mii->mii_media_active = IFM_ETHER;
234 1.2.2.2 lukem
235 1.2.2.2 lukem pssr = PHY_READ(sc, MII_MAKPHY_PSSR);
236 1.2.2.2 lukem
237 1.2.2.2 lukem if (pssr & PSSR_LINK)
238 1.2.2.2 lukem mii->mii_media_status |= IFM_ACTIVE;
239 1.2.2.2 lukem
240 1.2.2.2 lukem bmcr = PHY_READ(sc, MII_BMCR);
241 1.2.2.2 lukem if (bmcr & BMCR_ISO) {
242 1.2.2.2 lukem mii->mii_media_active |= IFM_NONE;
243 1.2.2.2 lukem mii->mii_media_status = 0;
244 1.2.2.2 lukem return;
245 1.2.2.2 lukem }
246 1.2.2.2 lukem
247 1.2.2.2 lukem if (bmcr & BMCR_LOOP)
248 1.2.2.2 lukem mii->mii_media_active |= IFM_LOOP;
249 1.2.2.2 lukem
250 1.2.2.2 lukem if (bmcr & BMCR_AUTOEN) {
251 1.2.2.2 lukem /*
252 1.2.2.2 lukem * The media status bits are only valid of autonegotiation
253 1.2.2.2 lukem * has completed (or it's disabled).
254 1.2.2.2 lukem */
255 1.2.2.2 lukem if ((pssr & PSSR_RESOLVED) == 0) {
256 1.2.2.2 lukem /* Erg, still trying, I guess... */
257 1.2.2.2 lukem mii->mii_media_active |= IFM_NONE;
258 1.2.2.2 lukem return;
259 1.2.2.2 lukem }
260 1.2.2.2 lukem
261 1.2.2.2 lukem switch (PSSR_SPEED_get(pssr)) {
262 1.2.2.2 lukem case SPEED_1000:
263 1.2.2.2 lukem mii->mii_media_active |= IFM_1000_T;
264 1.2.2.2 lukem gtsr = PHY_READ(sc, MII_100T2SR);
265 1.2.2.2 lukem if (gtsr & GTSR_MS_RES)
266 1.2.2.2 lukem mii->mii_media_active |= IFM_ETH_MASTER;
267 1.2.2.2 lukem break;
268 1.2.2.2 lukem
269 1.2.2.2 lukem case SPEED_100:
270 1.2.2.2 lukem mii->mii_media_active |= IFM_100_TX;
271 1.2.2.2 lukem break;
272 1.2.2.2 lukem
273 1.2.2.2 lukem case SPEED_10:
274 1.2.2.2 lukem mii->mii_media_active |= IFM_10_T;
275 1.2.2.2 lukem break;
276 1.2.2.2 lukem
277 1.2.2.2 lukem default:
278 1.2.2.2 lukem mii->mii_media_active |= IFM_NONE;
279 1.2.2.2 lukem mii->mii_media_status = 0;
280 1.2.2.2 lukem return;
281 1.2.2.2 lukem }
282 1.2.2.2 lukem
283 1.2.2.2 lukem if (pssr & PSSR_DUPLEX)
284 1.2.2.2 lukem mii->mii_media_active |= IFM_FDX;
285 1.2.2.2 lukem } else
286 1.2.2.2 lukem mii->mii_media_active = ife->ifm_media;
287 1.2.2.2 lukem }
288