1/*
2 * Copyright (c) 2000
3 * Bill Paul <wpaul@ee.columbia.edu>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 *
| 1/*
2 * Copyright (c) 2000
3 * Bill Paul <wpaul@ee.columbia.edu>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 *
|
32 * $FreeBSD: head/sys/dev/mii/brgphy.c 95722 2002-04-29 13:07:38Z phk $
| 32 * $FreeBSD: head/sys/dev/mii/brgphy.c 96026 2002-05-04 11:00:30Z phk $
|
33 */
34
35/*
36 * Driver for the Broadcom BCR5400 1000baseTX PHY. Speed is always
37 * 1000mbps; all we need to negotiate here is full or half duplex.
38 */
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/kernel.h>
43#include <sys/malloc.h>
44#include <sys/socket.h>
45#include <sys/bus.h>
46
47#include <machine/clock.h>
48
49#include <net/if.h>
50#include <net/if_media.h>
51
52#include <dev/mii/mii.h>
53#include <dev/mii/miivar.h>
54#include <dev/mii/miidevs.h>
55
56#include <dev/mii/brgphyreg.h>
57
58#include "miibus_if.h"
59
60#if !defined(lint)
61static const char rcsid[] =
| 33 */
34
35/*
36 * Driver for the Broadcom BCR5400 1000baseTX PHY. Speed is always
37 * 1000mbps; all we need to negotiate here is full or half duplex.
38 */
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/kernel.h>
43#include <sys/malloc.h>
44#include <sys/socket.h>
45#include <sys/bus.h>
46
47#include <machine/clock.h>
48
49#include <net/if.h>
50#include <net/if_media.h>
51
52#include <dev/mii/mii.h>
53#include <dev/mii/miivar.h>
54#include <dev/mii/miidevs.h>
55
56#include <dev/mii/brgphyreg.h>
57
58#include "miibus_if.h"
59
60#if !defined(lint)
61static const char rcsid[] =
|
62 "$FreeBSD: head/sys/dev/mii/brgphy.c 95722 2002-04-29 13:07:38Z phk $";
| 62 "$FreeBSD: head/sys/dev/mii/brgphy.c 96026 2002-05-04 11:00:30Z phk $";
|
63#endif
64
65static int brgphy_probe (device_t);
66static int brgphy_attach (device_t);
67
68static device_method_t brgphy_methods[] = {
69 /* device interface */
70 DEVMETHOD(device_probe, brgphy_probe),
71 DEVMETHOD(device_attach, brgphy_attach),
72 DEVMETHOD(device_detach, mii_phy_detach),
73 DEVMETHOD(device_shutdown, bus_generic_shutdown),
74 { 0, 0 }
75};
76
77static devclass_t brgphy_devclass;
78
79static driver_t brgphy_driver = {
80 "brgphy",
81 brgphy_methods,
82 sizeof(struct mii_softc)
83};
84
85DRIVER_MODULE(brgphy, miibus, brgphy_driver, brgphy_devclass, 0, 0);
86
87static int brgphy_service(struct mii_softc *, struct mii_data *, int);
88static void brgphy_status(struct mii_softc *);
| 63#endif
64
65static int brgphy_probe (device_t);
66static int brgphy_attach (device_t);
67
68static device_method_t brgphy_methods[] = {
69 /* device interface */
70 DEVMETHOD(device_probe, brgphy_probe),
71 DEVMETHOD(device_attach, brgphy_attach),
72 DEVMETHOD(device_detach, mii_phy_detach),
73 DEVMETHOD(device_shutdown, bus_generic_shutdown),
74 { 0, 0 }
75};
76
77static devclass_t brgphy_devclass;
78
79static driver_t brgphy_driver = {
80 "brgphy",
81 brgphy_methods,
82 sizeof(struct mii_softc)
83};
84
85DRIVER_MODULE(brgphy, miibus, brgphy_driver, brgphy_devclass, 0, 0);
86
87static int brgphy_service(struct mii_softc *, struct mii_data *, int);
88static void brgphy_status(struct mii_softc *);
|
89static int brgphy_mii_phy_auto(struct mii_softc *, int);
90extern void mii_phy_auto_timeout(void *);
| 89static int brgphy_mii_phy_auto(struct mii_softc *);
|
91
92static int brgphy_probe(dev)
93 device_t dev;
94{
95 struct mii_attach_args *ma;
96
97 ma = device_get_ivars(dev);
98
99 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
100 MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5400) {
101 device_set_desc(dev, MII_STR_xxBROADCOM_BCM5400);
102 return(0);
103 }
104
105 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
106 MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5401) {
107 device_set_desc(dev, MII_STR_xxBROADCOM_BCM5401);
108 return(0);
109 }
110
111 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
112 MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5411) {
113 device_set_desc(dev, MII_STR_xxBROADCOM_BCM5411);
114 return(0);
115 }
116
117 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
118 MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5701) {
119 device_set_desc(dev, MII_STR_xxBROADCOM_BCM5701);
120 return(0);
121 }
122
123 return(ENXIO);
124}
125
126static int brgphy_attach(dev)
127 device_t dev;
128{
129 struct mii_softc *sc;
130 struct mii_attach_args *ma;
131 struct mii_data *mii;
132 const char *sep = "";
133
134 sc = device_get_softc(dev);
135 ma = device_get_ivars(dev);
136 sc->mii_dev = device_get_parent(dev);
137 mii = device_get_softc(sc->mii_dev);
138 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
139
140 sc->mii_inst = mii->mii_instance;
141 sc->mii_phy = ma->mii_phyno;
142 sc->mii_service = brgphy_service;
143 sc->mii_pdata = mii;
144
145 sc->mii_flags |= MIIF_NOISOLATE;
146 mii->mii_instance++;
147
148#define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL)
149#define PRINT(s) printf("%s%s", sep, s); sep = ", "
150
151 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
152 BMCR_ISO);
153#if 0
154 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
155 BMCR_LOOP|BMCR_S100);
156#endif
157
158 mii_phy_reset(sc);
159
160
161 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
162 sc->mii_capabilities &= ~BMSR_ANEG;
163 device_printf(dev, " ");
164 mii_add_media(sc);
165 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, 0, sc->mii_inst),
166 BRGPHY_BMCR_FDX);
167 PRINT(", 1000baseTX");
168 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, IFM_FDX, sc->mii_inst), 0);
169 PRINT("1000baseTX-FDX");
170 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), 0);
171 PRINT("auto");
172
173 printf("\n");
174#undef ADD
175#undef PRINT
176
177 MIIBUS_MEDIAINIT(sc->mii_dev);
178 return(0);
179}
180
181static int
182brgphy_service(sc, mii, cmd)
183 struct mii_softc *sc;
184 struct mii_data *mii;
185 int cmd;
186{
187 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
188 int reg, speed;
189
190 switch (cmd) {
191 case MII_POLLSTAT:
192 /*
193 * If we're not polling our PHY instance, just return.
194 */
195 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
196 return (0);
197 break;
198
199 case MII_MEDIACHG:
200 /*
201 * If the media indicates a different PHY instance,
202 * isolate ourselves.
203 */
204 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
205 reg = PHY_READ(sc, MII_BMCR);
206 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
207 return (0);
208 }
209
210 /*
211 * If the interface is not up, don't do anything.
212 */
213 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
214 break;
215
216 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
217 BRGPHY_PHY_EXTCTL_HIGH_LA|BRGPHY_PHY_EXTCTL_EN_LTR);
218 PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
219 BRGPHY_AUXCTL_LONG_PKT|BRGPHY_AUXCTL_TX_TST);
220 PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
221
222 switch (IFM_SUBTYPE(ife->ifm_media)) {
223 case IFM_AUTO:
224#ifdef foo
225 /*
226 * If we're already in auto mode, just return.
227 */
228 if (PHY_READ(sc, BRGPHY_MII_BMCR) & BRGPHY_BMCR_AUTOEN)
229 return (0);
230#endif
| 90
91static int brgphy_probe(dev)
92 device_t dev;
93{
94 struct mii_attach_args *ma;
95
96 ma = device_get_ivars(dev);
97
98 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
99 MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5400) {
100 device_set_desc(dev, MII_STR_xxBROADCOM_BCM5400);
101 return(0);
102 }
103
104 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
105 MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5401) {
106 device_set_desc(dev, MII_STR_xxBROADCOM_BCM5401);
107 return(0);
108 }
109
110 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
111 MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5411) {
112 device_set_desc(dev, MII_STR_xxBROADCOM_BCM5411);
113 return(0);
114 }
115
116 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
117 MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5701) {
118 device_set_desc(dev, MII_STR_xxBROADCOM_BCM5701);
119 return(0);
120 }
121
122 return(ENXIO);
123}
124
125static int brgphy_attach(dev)
126 device_t dev;
127{
128 struct mii_softc *sc;
129 struct mii_attach_args *ma;
130 struct mii_data *mii;
131 const char *sep = "";
132
133 sc = device_get_softc(dev);
134 ma = device_get_ivars(dev);
135 sc->mii_dev = device_get_parent(dev);
136 mii = device_get_softc(sc->mii_dev);
137 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
138
139 sc->mii_inst = mii->mii_instance;
140 sc->mii_phy = ma->mii_phyno;
141 sc->mii_service = brgphy_service;
142 sc->mii_pdata = mii;
143
144 sc->mii_flags |= MIIF_NOISOLATE;
145 mii->mii_instance++;
146
147#define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL)
148#define PRINT(s) printf("%s%s", sep, s); sep = ", "
149
150 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
151 BMCR_ISO);
152#if 0
153 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
154 BMCR_LOOP|BMCR_S100);
155#endif
156
157 mii_phy_reset(sc);
158
159
160 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
161 sc->mii_capabilities &= ~BMSR_ANEG;
162 device_printf(dev, " ");
163 mii_add_media(sc);
164 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, 0, sc->mii_inst),
165 BRGPHY_BMCR_FDX);
166 PRINT(", 1000baseTX");
167 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, IFM_FDX, sc->mii_inst), 0);
168 PRINT("1000baseTX-FDX");
169 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), 0);
170 PRINT("auto");
171
172 printf("\n");
173#undef ADD
174#undef PRINT
175
176 MIIBUS_MEDIAINIT(sc->mii_dev);
177 return(0);
178}
179
180static int
181brgphy_service(sc, mii, cmd)
182 struct mii_softc *sc;
183 struct mii_data *mii;
184 int cmd;
185{
186 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
187 int reg, speed;
188
189 switch (cmd) {
190 case MII_POLLSTAT:
191 /*
192 * If we're not polling our PHY instance, just return.
193 */
194 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
195 return (0);
196 break;
197
198 case MII_MEDIACHG:
199 /*
200 * If the media indicates a different PHY instance,
201 * isolate ourselves.
202 */
203 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
204 reg = PHY_READ(sc, MII_BMCR);
205 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
206 return (0);
207 }
208
209 /*
210 * If the interface is not up, don't do anything.
211 */
212 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
213 break;
214
215 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
216 BRGPHY_PHY_EXTCTL_HIGH_LA|BRGPHY_PHY_EXTCTL_EN_LTR);
217 PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
218 BRGPHY_AUXCTL_LONG_PKT|BRGPHY_AUXCTL_TX_TST);
219 PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
220
221 switch (IFM_SUBTYPE(ife->ifm_media)) {
222 case IFM_AUTO:
223#ifdef foo
224 /*
225 * If we're already in auto mode, just return.
226 */
227 if (PHY_READ(sc, BRGPHY_MII_BMCR) & BRGPHY_BMCR_AUTOEN)
228 return (0);
229#endif
|
231 (void) brgphy_mii_phy_auto(sc, 1);
| 230 (void) brgphy_mii_phy_auto(sc);
|
232 break;
233 case IFM_1000_T:
234 speed = BRGPHY_S1000;
235 goto setit;
236 case IFM_100_TX:
237 speed = BRGPHY_S100;
238 goto setit;
239 case IFM_10_T:
240 speed = BRGPHY_S10;
241setit:
242 if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
243 PHY_WRITE(sc, BRGPHY_MII_BMCR,
244 BRGPHY_BMCR_FDX|speed);
245 } else {
246 PHY_WRITE(sc, BRGPHY_MII_BMCR, speed);
247 }
248 PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE);
249
250 if (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T)
251 break;
252
253 /*
254 * When settning the link manually, one side must
255 * be the master and the other the slave. However
256 * ifmedia doesn't give us a good way to specify
257 * this, so we fake it by using one of the LINK
258 * flags. If LINK0 is set, we program the PHY to
259 * be a master, otherwise it's a slave.
260 */
261 if ((mii->mii_ifp->if_flags & IFF_LINK0)) {
262 PHY_WRITE(sc, BRGPHY_MII_1000CTL,
263 BRGPHY_1000CTL_MSE|BRGPHY_1000CTL_MSC);
264 } else {
265 PHY_WRITE(sc, BRGPHY_MII_1000CTL,
266 BRGPHY_1000CTL_MSE);
267 }
268 break;
269#ifdef foo
270 case IFM_NONE:
271 PHY_WRITE(sc, MII_BMCR, BMCR_ISO|BMCR_PDOWN);
272 break;
273#endif
274 case IFM_100_T4:
275 default:
276 return (EINVAL);
277 }
278 break;
279
280 case MII_TICK:
281 /*
282 * If we're not currently selected, just return.
283 */
284 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
285 return (0);
286
287 /*
288 * Is the interface even up?
289 */
290 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
291 return (0);
292
293 /*
294 * Only used for autonegotiation.
295 */
296 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
297 break;
298
299 /*
300 * Check to see if we have link. If we do, we don't
301 * need to restart the autonegotiation process. Read
302 * the BMSR twice in case it's latched.
303 */
304 reg = PHY_READ(sc, BRGPHY_MII_AUXSTS);
305 if (reg & BRGPHY_AUXSTS_LINK)
306 break;
307
308 /*
309 * Only retry autonegotiation every 5 seconds.
310 */
311 if (++sc->mii_ticks != 5)
312 return (0);
313
314 sc->mii_ticks = 0;
315 mii_phy_reset(sc);
| 231 break;
232 case IFM_1000_T:
233 speed = BRGPHY_S1000;
234 goto setit;
235 case IFM_100_TX:
236 speed = BRGPHY_S100;
237 goto setit;
238 case IFM_10_T:
239 speed = BRGPHY_S10;
240setit:
241 if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
242 PHY_WRITE(sc, BRGPHY_MII_BMCR,
243 BRGPHY_BMCR_FDX|speed);
244 } else {
245 PHY_WRITE(sc, BRGPHY_MII_BMCR, speed);
246 }
247 PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE);
248
249 if (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T)
250 break;
251
252 /*
253 * When settning the link manually, one side must
254 * be the master and the other the slave. However
255 * ifmedia doesn't give us a good way to specify
256 * this, so we fake it by using one of the LINK
257 * flags. If LINK0 is set, we program the PHY to
258 * be a master, otherwise it's a slave.
259 */
260 if ((mii->mii_ifp->if_flags & IFF_LINK0)) {
261 PHY_WRITE(sc, BRGPHY_MII_1000CTL,
262 BRGPHY_1000CTL_MSE|BRGPHY_1000CTL_MSC);
263 } else {
264 PHY_WRITE(sc, BRGPHY_MII_1000CTL,
265 BRGPHY_1000CTL_MSE);
266 }
267 break;
268#ifdef foo
269 case IFM_NONE:
270 PHY_WRITE(sc, MII_BMCR, BMCR_ISO|BMCR_PDOWN);
271 break;
272#endif
273 case IFM_100_T4:
274 default:
275 return (EINVAL);
276 }
277 break;
278
279 case MII_TICK:
280 /*
281 * If we're not currently selected, just return.
282 */
283 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
284 return (0);
285
286 /*
287 * Is the interface even up?
288 */
289 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
290 return (0);
291
292 /*
293 * Only used for autonegotiation.
294 */
295 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
296 break;
297
298 /*
299 * Check to see if we have link. If we do, we don't
300 * need to restart the autonegotiation process. Read
301 * the BMSR twice in case it's latched.
302 */
303 reg = PHY_READ(sc, BRGPHY_MII_AUXSTS);
304 if (reg & BRGPHY_AUXSTS_LINK)
305 break;
306
307 /*
308 * Only retry autonegotiation every 5 seconds.
309 */
310 if (++sc->mii_ticks != 5)
311 return (0);
312
313 sc->mii_ticks = 0;
314 mii_phy_reset(sc);
|
316 if (brgphy_mii_phy_auto(sc, 0) == EJUSTRETURN)
317 return (0);
318 break;
| 315 brgphy_mii_phy_auto(sc);
316 return (0);
|
319 }
320
321 /* Update the media status. */
322 brgphy_status(sc);
323
324 /* Callback if something changed. */
325 mii_phy_update(sc, cmd);
326 return (0);
327}
328
329static void
330brgphy_status(sc)
331 struct mii_softc *sc;
332{
333 struct mii_data *mii = sc->mii_pdata;
334 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
335 int bmsr, bmcr;
336
337 mii->mii_media_status = IFM_AVALID;
338 mii->mii_media_active = IFM_ETHER;
339
340 bmsr = PHY_READ(sc, BRGPHY_MII_BMSR);
341 if (PHY_READ(sc, BRGPHY_MII_AUXSTS) & BRGPHY_AUXSTS_LINK)
342 mii->mii_media_status |= IFM_ACTIVE;
343
344 bmcr = PHY_READ(sc, BRGPHY_MII_BMCR);
345
346 if (bmcr & BRGPHY_BMCR_LOOP)
347 mii->mii_media_active |= IFM_LOOP;
348
349 if (bmcr & BRGPHY_BMCR_AUTOEN) {
350 if ((bmsr & BRGPHY_BMSR_ACOMP) == 0) {
351 /* Erg, still trying, I guess... */
352 mii->mii_media_active |= IFM_NONE;
353 return;
354 }
355
356 switch (PHY_READ(sc, BRGPHY_MII_AUXSTS) &
357 BRGPHY_AUXSTS_AN_RES) {
358 case BRGPHY_RES_1000FD:
359 mii->mii_media_active |= IFM_1000_T | IFM_FDX;
360 break;
361 case BRGPHY_RES_1000HD:
362 mii->mii_media_active |= IFM_1000_T | IFM_HDX;
363 break;
364 case BRGPHY_RES_100FD:
365 mii->mii_media_active |= IFM_100_TX | IFM_FDX;
366 break;
367 case BRGPHY_RES_100T4:
368 mii->mii_media_active |= IFM_100_T4;
369 break;
370 case BRGPHY_RES_100HD:
371 mii->mii_media_active |= IFM_100_TX | IFM_HDX;
372 break;
373 case BRGPHY_RES_10FD:
374 mii->mii_media_active |= IFM_10_T | IFM_FDX;
375 break;
376 case BRGPHY_RES_10HD:
377 mii->mii_media_active |= IFM_10_T | IFM_HDX;
378 break;
379 default:
380 mii->mii_media_active |= IFM_NONE;
381 break;
382 }
383 return;
384 }
385
386 mii->mii_media_active = ife->ifm_media;
387
388 return;
389}
390
391
392static int
| 317 }
318
319 /* Update the media status. */
320 brgphy_status(sc);
321
322 /* Callback if something changed. */
323 mii_phy_update(sc, cmd);
324 return (0);
325}
326
327static void
328brgphy_status(sc)
329 struct mii_softc *sc;
330{
331 struct mii_data *mii = sc->mii_pdata;
332 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
333 int bmsr, bmcr;
334
335 mii->mii_media_status = IFM_AVALID;
336 mii->mii_media_active = IFM_ETHER;
337
338 bmsr = PHY_READ(sc, BRGPHY_MII_BMSR);
339 if (PHY_READ(sc, BRGPHY_MII_AUXSTS) & BRGPHY_AUXSTS_LINK)
340 mii->mii_media_status |= IFM_ACTIVE;
341
342 bmcr = PHY_READ(sc, BRGPHY_MII_BMCR);
343
344 if (bmcr & BRGPHY_BMCR_LOOP)
345 mii->mii_media_active |= IFM_LOOP;
346
347 if (bmcr & BRGPHY_BMCR_AUTOEN) {
348 if ((bmsr & BRGPHY_BMSR_ACOMP) == 0) {
349 /* Erg, still trying, I guess... */
350 mii->mii_media_active |= IFM_NONE;
351 return;
352 }
353
354 switch (PHY_READ(sc, BRGPHY_MII_AUXSTS) &
355 BRGPHY_AUXSTS_AN_RES) {
356 case BRGPHY_RES_1000FD:
357 mii->mii_media_active |= IFM_1000_T | IFM_FDX;
358 break;
359 case BRGPHY_RES_1000HD:
360 mii->mii_media_active |= IFM_1000_T | IFM_HDX;
361 break;
362 case BRGPHY_RES_100FD:
363 mii->mii_media_active |= IFM_100_TX | IFM_FDX;
364 break;
365 case BRGPHY_RES_100T4:
366 mii->mii_media_active |= IFM_100_T4;
367 break;
368 case BRGPHY_RES_100HD:
369 mii->mii_media_active |= IFM_100_TX | IFM_HDX;
370 break;
371 case BRGPHY_RES_10FD:
372 mii->mii_media_active |= IFM_10_T | IFM_FDX;
373 break;
374 case BRGPHY_RES_10HD:
375 mii->mii_media_active |= IFM_10_T | IFM_HDX;
376 break;
377 default:
378 mii->mii_media_active |= IFM_NONE;
379 break;
380 }
381 return;
382 }
383
384 mii->mii_media_active = ife->ifm_media;
385
386 return;
387}
388
389
390static int
|
393brgphy_mii_phy_auto(mii, waitfor)
| 391brgphy_mii_phy_auto(mii)
|
394 struct mii_softc *mii;
| 392 struct mii_softc *mii;
|
395 int waitfor;
| |
396{
| 393{
|
397 int bmsr, ktcr = 0, i;
| 394 int ktcr = 0;
|
398
| 395
|
399 if ((mii->mii_flags & MIIF_DOINGAUTO) == 0) {
400 mii_phy_reset(mii);
401 PHY_WRITE(mii, BRGPHY_MII_BMCR, 0);
402 DELAY(1000);
403 ktcr = PHY_READ(mii, BRGPHY_MII_1000CTL);
404 PHY_WRITE(mii, BRGPHY_MII_1000CTL, ktcr |
405 BRGPHY_1000CTL_AFD|BRGPHY_1000CTL_AHD);
406 ktcr = PHY_READ(mii, BRGPHY_MII_1000CTL);
407 DELAY(1000);
408 PHY_WRITE(mii, BRGPHY_MII_ANAR,
409 BMSR_MEDIA_TO_ANAR(mii->mii_capabilities) | ANAR_CSMA);
410 DELAY(1000);
411 PHY_WRITE(mii, BRGPHY_MII_BMCR,
412 BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG);
413 PHY_WRITE(mii, BRGPHY_MII_IMR, 0xFF00);
414 }
415
416 if (waitfor) {
417 /* Wait 500ms for it to complete. */
418 for (i = 0; i < 500; i++) {
419 if ((bmsr = PHY_READ(mii, BRGPHY_MII_BMSR)) &
420 BRGPHY_BMSR_ACOMP)
421 return (0);
422 DELAY(1000);
423#if 0
424 if ((bmsr & BMSR_ACOMP) == 0)
425 printf("%s: autonegotiation failed to complete\n",
426 mii->mii_dev.dv_xname);
427#endif
428 }
429
430 /*
431 * Don't need to worry about clearing MIIF_DOINGAUTO.
432 * If that's set, a timeout is pending, and it will
433 * clear the flag.
434 */
435 return (EIO);
436 }
437
438 /*
439 * Just let it finish asynchronously. This is for the benefit of
440 * the tick handler driving autonegotiation. Don't want 500ms
441 * delays all the time while the system is running!
442 */
443 if ((mii->mii_flags & MIIF_DOINGAUTO) == 0) {
444 mii->mii_flags |= MIIF_DOINGAUTO;
445 mii->mii_auto_ch = timeout(mii_phy_auto_timeout, mii, hz >> 1);
446 }
| 396 mii_phy_reset(mii);
397 PHY_WRITE(mii, BRGPHY_MII_BMCR, 0);
398 DELAY(1000);
399 ktcr = PHY_READ(mii, BRGPHY_MII_1000CTL);
400 PHY_WRITE(mii, BRGPHY_MII_1000CTL, ktcr |
401 BRGPHY_1000CTL_AFD|BRGPHY_1000CTL_AHD);
402 ktcr = PHY_READ(mii, BRGPHY_MII_1000CTL);
403 DELAY(1000);
404 PHY_WRITE(mii, BRGPHY_MII_ANAR,
405 BMSR_MEDIA_TO_ANAR(mii->mii_capabilities) | ANAR_CSMA);
406 DELAY(1000);
407 PHY_WRITE(mii, BRGPHY_MII_BMCR,
408 BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG);
409 PHY_WRITE(mii, BRGPHY_MII_IMR, 0xFF00);
|
447 return (EJUSTRETURN);
448}
| 410 return (EJUSTRETURN);
411}
|