2 * Copyright (c) 2007 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Sepherosa Ziehau <sepherosa@gmail.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $DragonFly: src/sys/dev/netif/mii_layer/truephy.c,v 1.3 2008/02/10 07:29:27 sephe Exp $
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/kernel.h>
41 #include <sys/socket.h>
42 #include <sys/errno.h>
43 #include <sys/module.h>
47 #include <net/if_media.h>
48 #include <net/if_arp.h>
49 #include <net/ethernet.h>
50 #include <net/if_vlan_var.h>
52 #include <dev/mii/mii.h>
53 #include <dev/mii/miivar.h>
56 #include <dev/mii/truephyreg.h>
58 #include "miibus_if.h"
60 #define TRUEPHY_FRAMELEN(mtu) \
61 (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + (mtu) + ETHER_CRC_LEN)
63 static int truephy_service(struct mii_softc *, struct mii_data *, int);
64 static int truephy_attach(device_t);
65 static int truephy_probe(device_t);
66 static void truephy_reset(struct mii_softc *);
67 static void truephy_status(struct mii_softc *);
69 static device_method_t truephy_methods[] = {
70 /* device interface */
71 DEVMETHOD(device_probe, truephy_probe),
72 DEVMETHOD(device_attach, truephy_attach),
73 DEVMETHOD(device_detach, mii_phy_detach),
74 DEVMETHOD(device_shutdown, bus_generic_shutdown),
78 static const struct mii_phydesc truephys[] = {
79 MII_PHY_DESC(AGERE, ET1011C),
83 static devclass_t truephy_devclass;
85 static driver_t truephy_driver = {
88 sizeof(struct mii_softc)
91 DRIVER_MODULE(truephy, miibus, truephy_driver, truephy_devclass, 0, 0);
93 static const struct truephy_dsp {
96 } truephy_dspcode[] = {
97 { 0x880b, 0x0926 }, /* AfeIfCreg4B1000Msbs */
98 { 0x880c, 0x0926 }, /* AfeIfCreg4B100Msbs */
99 { 0x880d, 0x0926 }, /* AfeIfCreg4B10Msbs */
101 { 0x880e, 0xb4d3 }, /* AfeIfCreg4B1000Lsbs */
102 { 0x880f, 0xb4d3 }, /* AfeIfCreg4B100Lsbs */
103 { 0x8810, 0xb4d3 }, /* AfeIfCreg4B10Lsbs */
105 { 0x8805, 0xb03e }, /* AfeIfCreg3B1000Msbs */
106 { 0x8806, 0xb03e }, /* AfeIfCreg3B100Msbs */
107 { 0x8807, 0xff00 }, /* AfeIfCreg3B10Msbs */
109 { 0x8808, 0xe090 }, /* AfeIfCreg3B1000Lsbs */
110 { 0x8809, 0xe110 }, /* AfeIfCreg3B100Lsbs */
111 { 0x880a, 0x0000 }, /* AfeIfCreg3B10Lsbs */
113 { 0x300d, 1 }, /* DisableNorm */
115 { 0x280c, 0x0180 }, /* LinkHoldEnd */
117 { 0x1c21, 0x0002 }, /* AlphaM */
119 { 0x3821, 6 }, /* FfeLkgTx0 */
120 { 0x381d, 1 }, /* FfeLkg1g4 */
121 { 0x381e, 1 }, /* FfeLkg1g5 */
122 { 0x381f, 1 }, /* FfeLkg1g6 */
123 { 0x3820, 1 }, /* FfeLkg1g7 */
125 { 0x8402, 0x01f0 }, /* Btinact */
126 { 0x800e, 20 }, /* LftrainTime */
127 { 0x800f, 24 }, /* DvguardTime */
128 { 0x8010, 46 } /* IdlguardTime */
132 truephy_probe(device_t dev)
135 return (mii_phy_dev_probe(dev, truephys, BUS_PROBE_DEFAULT));
139 truephy_attach(device_t dev)
141 struct mii_softc *sc;
142 struct mii_attach_args *ma;
143 struct mii_data *mii;
145 sc = device_get_softc(dev);
146 ma = device_get_ivars(dev);
148 sc->mii_phy = ma->mii_phyno;
149 if (sc->mii_anegticks == 0)
150 sc->mii_anegticks = MII_ANEGTICKS;
151 sc->mii_dev = device_get_parent(dev);
152 mii = device_get_softc(sc->mii_dev);
153 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
155 sc->mii_inst = mii->mii_instance;
156 sc->mii_phy = ma->mii_phyno;
157 sc->mii_service = truephy_service;
160 sc->mii_flags |= MIIF_NOISOLATE | MIIF_NOLOOP;
166 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
167 if (sc->mii_capabilities & BMSR_EXTSTAT) {
168 sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
169 /* No 1000baseT half-duplex support */
170 sc->mii_extcapabilities &= ~EXTSR_1000THDX;
173 device_printf(dev, " ");
174 if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 &&
175 (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0)
176 printf("no media present");
178 mii_phy_add_media(sc);
181 MIIBUS_MEDIAINIT(sc->mii_dev);
186 truephy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
188 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
194 * If we're not polling our PHY instance, just return.
196 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
202 * If the media indicates a different PHY instance,
205 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
206 bmcr = PHY_READ(sc, MII_BMCR);
207 PHY_WRITE(sc, MII_BMCR, bmcr | BMCR_ISO);
212 * If the interface is not up, don't do anything.
214 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
217 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
218 bmcr = PHY_READ(sc, MII_BMCR) & ~BMCR_AUTOEN;
219 PHY_WRITE(sc, MII_BMCR, bmcr);
220 PHY_WRITE(sc, MII_BMCR, bmcr | BMCR_PDOWN);
223 mii_phy_setmedia(sc);
225 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
226 bmcr = PHY_READ(sc, MII_BMCR) & ~BMCR_PDOWN;
227 PHY_WRITE(sc, MII_BMCR, bmcr);
229 if (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T) {
230 PHY_WRITE(sc, MII_BMCR,
231 bmcr | BMCR_AUTOEN | BMCR_STARTNEG);
238 * If we're not currently selected, just return.
240 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
243 if (mii_phy_tick(sc) == EJUSTRETURN)
248 /* Update the media status. */
251 /* Callback if something changed. */
252 mii_phy_update(sc, cmd);
257 truephy_reset(struct mii_softc *sc)
261 for (i = 0; i < 2; ++i) {
262 PHY_READ(sc, MII_PHYIDR1);
263 PHY_READ(sc, MII_PHYIDR2);
265 PHY_READ(sc, TRUEPHY_CTRL);
266 PHY_WRITE(sc, TRUEPHY_CTRL,
267 TRUEPHY_CTRL_DIAG | TRUEPHY_CTRL_RSV1);
269 PHY_WRITE(sc, TRUEPHY_INDEX, TRUEPHY_INDEX_MAGIC);
270 PHY_READ(sc, TRUEPHY_DATA);
272 PHY_WRITE(sc, TRUEPHY_CTRL, TRUEPHY_CTRL_RSV1);
275 PHY_READ(sc, MII_BMCR);
276 PHY_READ(sc, TRUEPHY_CTRL);
277 PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_PDOWN | BMCR_S1000);
278 PHY_WRITE(sc, TRUEPHY_CTRL,
279 TRUEPHY_CTRL_DIAG | TRUEPHY_CTRL_RSV1 | TRUEPHY_CTRL_RSV0);
281 #define N(arr) (int)(sizeof(arr) / sizeof(arr[0]))
283 for (i = 0; i < N(truephy_dspcode); ++i) {
284 const struct truephy_dsp *dsp = &truephy_dspcode[i];
286 PHY_WRITE(sc, TRUEPHY_INDEX, dsp->index);
287 PHY_WRITE(sc, TRUEPHY_DATA, dsp->data);
289 PHY_WRITE(sc, TRUEPHY_INDEX, dsp->index);
290 PHY_READ(sc, TRUEPHY_DATA);
295 PHY_READ(sc, MII_BMCR);
296 PHY_READ(sc, TRUEPHY_CTRL);
297 PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_S1000);
298 PHY_WRITE(sc, TRUEPHY_CTRL, TRUEPHY_CTRL_RSV1);
302 if (TRUEPHY_FRAMELEN(sc->mii_pdata->mii_ifp->if_mtu) > 2048) {
305 conf = PHY_READ(sc, TRUEPHY_CONF);
306 conf &= ~TRUEPHY_CONF_TXFIFO_MASK;
307 conf |= TRUEPHY_CONF_TXFIFO_24;
308 PHY_WRITE(sc, TRUEPHY_CONF, conf);
313 truephy_status(struct mii_softc *sc)
315 struct mii_data *mii = sc->mii_pdata;
318 mii->mii_media_status = IFM_AVALID;
319 mii->mii_media_active = IFM_ETHER;
321 sr = PHY_READ(sc, TRUEPHY_SR);
322 bmcr = PHY_READ(sc, MII_BMCR);
324 bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
325 if (bmsr & BMSR_LINK)
326 mii->mii_media_status |= IFM_ACTIVE;
328 if (bmcr & BMCR_AUTOEN) {
329 if ((bmsr & BMSR_ACOMP) == 0) {
330 mii->mii_media_active |= IFM_NONE;
335 switch (sr & TRUEPHY_SR_SPD_MASK) {
336 case TRUEPHY_SR_SPD_1000T:
337 mii->mii_media_active |= IFM_1000_T;
339 case TRUEPHY_SR_SPD_100TX:
340 mii->mii_media_active |= IFM_100_TX;
342 case TRUEPHY_SR_SPD_10T:
343 mii->mii_media_active |= IFM_10_T;
346 /* XXX will this ever happen? */
347 printf("invalid media SR %#x\n", sr);
348 mii->mii_media_active |= IFM_NONE;
352 if (sr & TRUEPHY_SR_FDX)
353 mii->mii_media_active |= IFM_FDX;
355 mii->mii_media_active |= IFM_HDX;