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
35 #include <sys/param.h>
37 #include <sys/kernel.h>
40 #include <net/if_media.h>
41 #include <net/if_arp.h>
42 #include <net/ethernet.h>
43 #include <net/vlan/if_vlan_var.h>
45 #include <dev/netif/mii_layer/mii.h>
46 #include <dev/netif/mii_layer/miivar.h>
47 #include <dev/netif/mii_layer/miidevs.h>
48 #include <dev/netif/mii_layer/truephyreg.h>
50 #include "miibus_if.h"
52 #define FRAMELEN(mtu) (ETHER_HDR_LEN + EVL_ENCAPLEN + (mtu) + ETHER_CRC_LEN)
54 static int truephy_service(struct mii_softc *, struct mii_data *, int);
55 static int truephy_attach(device_t);
56 static int truephy_probe(device_t);
57 static void truephy_reset(struct mii_softc *);
58 static void truephy_status(struct mii_softc *);
60 static device_method_t truephy_methods[] = {
61 /* device interface */
62 DEVMETHOD(device_probe, truephy_probe),
63 DEVMETHOD(device_attach, truephy_attach),
64 DEVMETHOD(device_detach, ukphy_detach),
65 DEVMETHOD(device_shutdown, bus_generic_shutdown),
69 static const struct mii_phydesc truephys[] = {
70 MII_PHYDESC(AGERE, ET1011C),
74 static devclass_t truephy_devclass;
76 static driver_t truephy_driver = {
79 sizeof(struct mii_softc)
82 DRIVER_MODULE(truephy, miibus, truephy_driver, truephy_devclass, 0, 0);
84 static const struct truephy_dsp {
87 } truephy_dspcode[] = {
88 { 0x880b, 0x0926 }, /* AfeIfCreg4B1000Msbs */
89 { 0x880c, 0x0926 }, /* AfeIfCreg4B100Msbs */
90 { 0x880d, 0x0926 }, /* AfeIfCreg4B10Msbs */
92 { 0x880e, 0xb4d3 }, /* AfeIfCreg4B1000Lsbs */
93 { 0x880f, 0xb4d3 }, /* AfeIfCreg4B100Lsbs */
94 { 0x8810, 0xb4d3 }, /* AfeIfCreg4B10Lsbs */
96 { 0x8805, 0xb03e }, /* AfeIfCreg3B1000Msbs */
97 { 0x8806, 0xb03e }, /* AfeIfCreg3B100Msbs */
98 { 0x8807, 0xff00 }, /* AfeIfCreg3B10Msbs */
100 { 0x8808, 0xe090 }, /* AfeIfCreg3B1000Lsbs */
101 { 0x8809, 0xe110 }, /* AfeIfCreg3B100Lsbs */
102 { 0x880a, 0x0000 }, /* AfeIfCreg3B10Lsbs */
104 { 0x300d, 1 }, /* DisableNorm */
106 { 0x280c, 0x0180 }, /* LinkHoldEnd */
108 { 0x1c21, 0x0002 }, /* AlphaM */
110 { 0x3821, 6 }, /* FfeLkgTx0 */
111 { 0x381d, 1 }, /* FfeLkg1g4 */
112 { 0x381e, 1 }, /* FfeLkg1g5 */
113 { 0x381f, 1 }, /* FfeLkg1g6 */
114 { 0x3820, 1 }, /* FfeLkg1g7 */
116 { 0x8402, 0x01f0 }, /* Btinact */
117 { 0x800e, 20 }, /* LftrainTime */
118 { 0x800f, 24 }, /* DvguardTime */
119 { 0x8010, 46 } /* IdlguardTime */
123 truephy_probe(device_t dev)
125 struct mii_attach_args *ma = device_get_ivars(dev);
126 const struct mii_phydesc *mpd;
128 mpd = mii_phy_match(ma, truephys);
130 device_set_desc(dev, mpd->mpd_name);
137 truephy_attach(device_t dev)
139 struct mii_softc *sc;
140 struct mii_attach_args *ma;
141 struct mii_data *mii;
143 sc = device_get_softc(dev);
144 ma = device_get_ivars(dev);
146 mii_softc_init(sc, ma);
147 sc->mii_dev = device_get_parent(dev);
148 mii = device_get_softc(sc->mii_dev);
149 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
151 sc->mii_inst = mii->mii_instance;
152 sc->mii_service = truephy_service;
153 sc->mii_reset = truephy_reset;
156 sc->mii_flags |= MIIF_NOISOLATE | MIIF_NOLOOP;
162 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
163 if (sc->mii_capabilities & BMSR_EXTSTAT) {
164 sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
165 /* No 1000baseT half-duplex support */
166 sc->mii_extcapabilities &= ~EXTSR_1000THDX;
169 device_printf(dev, " ");
170 if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 &&
171 (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0)
172 kprintf("no media present");
174 mii_phy_add_media(sc);
177 MIIBUS_MEDIAINIT(sc->mii_dev);
182 truephy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
184 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
190 * If we're not polling our PHY instance, just return.
192 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
198 * If the media indicates a different PHY instance,
201 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
202 bmcr = PHY_READ(sc, MII_BMCR);
203 PHY_WRITE(sc, MII_BMCR, bmcr | BMCR_ISO);
208 * If the interface is not up, don't do anything.
210 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
213 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
214 bmcr = PHY_READ(sc, MII_BMCR) & ~BMCR_AUTOEN;
215 PHY_WRITE(sc, MII_BMCR, bmcr);
216 PHY_WRITE(sc, MII_BMCR, bmcr | BMCR_PDOWN);
219 mii_phy_set_media(sc);
221 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
222 bmcr = PHY_READ(sc, MII_BMCR) & ~BMCR_PDOWN;
223 PHY_WRITE(sc, MII_BMCR, bmcr);
225 if (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T) {
226 PHY_WRITE(sc, MII_BMCR,
227 bmcr | BMCR_AUTOEN | BMCR_STARTNEG);
234 * If we're not currently selected, just return.
236 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
239 if (mii_phy_tick(sc) == EJUSTRETURN)
244 /* Update the media status. */
247 /* Callback if something changed. */
248 mii_phy_update(sc, cmd);
253 truephy_reset(struct mii_softc *sc)
257 for (i = 0; i < 2; ++i) {
258 PHY_READ(sc, MII_PHYIDR1);
259 PHY_READ(sc, MII_PHYIDR2);
261 PHY_READ(sc, TRUEPHY_CTRL);
262 PHY_WRITE(sc, TRUEPHY_CTRL,
263 TRUEPHY_CTRL_DIAG | TRUEPHY_CTRL_RSV1);
265 PHY_WRITE(sc, TRUEPHY_INDEX, TRUEPHY_INDEX_MAGIC);
266 PHY_READ(sc, TRUEPHY_DATA);
268 PHY_WRITE(sc, TRUEPHY_CTRL, TRUEPHY_CTRL_RSV1);
271 PHY_READ(sc, MII_BMCR);
272 PHY_READ(sc, TRUEPHY_CTRL);
273 PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_PDOWN | BMCR_S1000);
274 PHY_WRITE(sc, TRUEPHY_CTRL,
275 TRUEPHY_CTRL_DIAG | TRUEPHY_CTRL_RSV1 | TRUEPHY_CTRL_RSV0);
277 for (i = 0; i < NELEM(truephy_dspcode); ++i) {
278 const struct truephy_dsp *dsp = &truephy_dspcode[i];
280 PHY_WRITE(sc, TRUEPHY_INDEX, dsp->index);
281 PHY_WRITE(sc, TRUEPHY_DATA, dsp->data);
283 PHY_WRITE(sc, TRUEPHY_INDEX, dsp->index);
284 PHY_READ(sc, TRUEPHY_DATA);
287 PHY_READ(sc, MII_BMCR);
288 PHY_READ(sc, TRUEPHY_CTRL);
289 PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_S1000);
290 PHY_WRITE(sc, TRUEPHY_CTRL, TRUEPHY_CTRL_RSV1);
294 if (FRAMELEN(sc->mii_pdata->mii_ifp->if_mtu) > 2048) {
297 conf = PHY_READ(sc, TRUEPHY_CONF);
298 conf &= ~TRUEPHY_CONF_TXFIFO_MASK;
299 conf |= TRUEPHY_CONF_TXFIFO_24;
300 PHY_WRITE(sc, TRUEPHY_CONF, conf);
305 truephy_status(struct mii_softc *sc)
307 struct mii_data *mii = sc->mii_pdata;
310 mii->mii_media_status = IFM_AVALID;
311 mii->mii_media_active = IFM_ETHER;
313 sr = PHY_READ(sc, TRUEPHY_SR);
314 bmcr = PHY_READ(sc, MII_BMCR);
316 bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
317 if (bmsr & BMSR_LINK)
318 mii->mii_media_status |= IFM_ACTIVE;
320 if (bmcr & BMCR_AUTOEN) {
321 if ((bmsr & BMSR_ACOMP) == 0) {
322 mii->mii_media_active |= IFM_NONE;
327 switch (sr & TRUEPHY_SR_SPD_MASK) {
328 case TRUEPHY_SR_SPD_1000T:
329 mii->mii_media_active |= IFM_1000_T;
331 case TRUEPHY_SR_SPD_100TX:
332 mii->mii_media_active |= IFM_100_TX;
334 case TRUEPHY_SR_SPD_10T:
335 mii->mii_media_active |= IFM_10_T;
338 /* XXX will this ever happen? */
339 kprintf("invalid media SR %#x\n", sr);
340 mii->mii_media_active |= IFM_NONE;
344 if (sr & TRUEPHY_SR_FDX)
345 mii->mii_media_active |= IFM_FDX;
347 mii->mii_media_active |= IFM_HDX;