1 | /* $NetBSD: tulip.c,v 1.188 2016/07/11 11:31:50 msaitoh Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 1998, 1999, 2000, 2002 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, |
9 | * NASA Ames Research Center; and by Charles M. Hannum. |
10 | * |
11 | * Redistribution and use in source and binary forms, with or without |
12 | * modification, are permitted provided that the following conditions |
13 | * are met: |
14 | * 1. Redistributions of source code must retain the above copyright |
15 | * notice, this list of conditions and the following disclaimer. |
16 | * 2. Redistributions in binary form must reproduce the above copyright |
17 | * notice, this list of conditions and the following disclaimer in the |
18 | * documentation and/or other materials provided with the distribution. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
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 THE |
30 | * POSSIBILITY OF SUCH DAMAGE. |
31 | */ |
32 | |
33 | /* |
34 | * Device driver for the Digital Semiconductor ``Tulip'' (21x4x) |
35 | * Ethernet controller family, and a variety of clone chips. |
36 | */ |
37 | |
38 | #include <sys/cdefs.h> |
39 | __KERNEL_RCSID(0, "$NetBSD: tulip.c,v 1.188 2016/07/11 11:31:50 msaitoh Exp $" ); |
40 | |
41 | |
42 | #include <sys/param.h> |
43 | #include <sys/systm.h> |
44 | #include <sys/callout.h> |
45 | #include <sys/mbuf.h> |
46 | #include <sys/malloc.h> |
47 | #include <sys/kernel.h> |
48 | #include <sys/socket.h> |
49 | #include <sys/ioctl.h> |
50 | #include <sys/errno.h> |
51 | #include <sys/device.h> |
52 | |
53 | #include <machine/endian.h> |
54 | |
55 | #include <net/if.h> |
56 | #include <net/if_dl.h> |
57 | #include <net/if_media.h> |
58 | #include <net/if_ether.h> |
59 | |
60 | #include <net/bpf.h> |
61 | |
62 | #include <sys/bus.h> |
63 | #include <sys/intr.h> |
64 | |
65 | #include <dev/mii/mii.h> |
66 | #include <dev/mii/miivar.h> |
67 | #include <dev/mii/mii_bitbang.h> |
68 | |
69 | #include <dev/ic/tulipreg.h> |
70 | #include <dev/ic/tulipvar.h> |
71 | |
72 | static const char * const tlp_chip_names[] = TULIP_CHIP_NAMES; |
73 | |
74 | static const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = |
75 | TLP_TXTHRESH_TAB_10; |
76 | |
77 | static const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = |
78 | TLP_TXTHRESH_TAB_10_100; |
79 | |
80 | static const struct tulip_txthresh_tab tlp_dm9102_txthresh_tab[] = |
81 | TLP_TXTHRESH_TAB_DM9102; |
82 | |
83 | static void tlp_start(struct ifnet *); |
84 | static void tlp_watchdog(struct ifnet *); |
85 | static int tlp_ioctl(struct ifnet *, u_long, void *); |
86 | static int tlp_init(struct ifnet *); |
87 | static void tlp_stop(struct ifnet *, int); |
88 | static int tlp_ifflags_cb(struct ethercom *); |
89 | |
90 | static void tlp_rxdrain(struct tulip_softc *); |
91 | static int tlp_add_rxbuf(struct tulip_softc *, int); |
92 | static void tlp_srom_idle(struct tulip_softc *); |
93 | static int tlp_srom_size(struct tulip_softc *); |
94 | |
95 | static int tlp_enable(struct tulip_softc *); |
96 | static void tlp_disable(struct tulip_softc *); |
97 | |
98 | static void tlp_filter_setup(struct tulip_softc *); |
99 | static void tlp_winb_filter_setup(struct tulip_softc *); |
100 | static void tlp_al981_filter_setup(struct tulip_softc *); |
101 | static void tlp_asix_filter_setup(struct tulip_softc *); |
102 | |
103 | static void tlp_rxintr(struct tulip_softc *); |
104 | static void tlp_txintr(struct tulip_softc *); |
105 | |
106 | static void tlp_mii_tick(void *); |
107 | static void tlp_mii_statchg(struct ifnet *); |
108 | static void tlp_winb_mii_statchg(struct ifnet *); |
109 | static void tlp_dm9102_mii_statchg(struct ifnet *); |
110 | |
111 | static void tlp_mii_getmedia(struct tulip_softc *, struct ifmediareq *); |
112 | static int tlp_mii_setmedia(struct tulip_softc *); |
113 | |
114 | static int tlp_bitbang_mii_readreg(device_t, int, int); |
115 | static void tlp_bitbang_mii_writereg(device_t, int, int, int); |
116 | |
117 | static int tlp_pnic_mii_readreg(device_t, int, int); |
118 | static void tlp_pnic_mii_writereg(device_t, int, int, int); |
119 | |
120 | static int tlp_al981_mii_readreg(device_t, int, int); |
121 | static void tlp_al981_mii_writereg(device_t, int, int, int); |
122 | |
123 | static void tlp_2114x_preinit(struct tulip_softc *); |
124 | static void tlp_2114x_mii_preinit(struct tulip_softc *); |
125 | static void tlp_pnic_preinit(struct tulip_softc *); |
126 | static void tlp_dm9102_preinit(struct tulip_softc *); |
127 | static void tlp_asix_preinit(struct tulip_softc *); |
128 | |
129 | static void tlp_21140_reset(struct tulip_softc *); |
130 | static void tlp_21142_reset(struct tulip_softc *); |
131 | static void tlp_pmac_reset(struct tulip_softc *); |
132 | #if 0 |
133 | static void tlp_dm9102_reset(struct tulip_softc *); |
134 | #endif |
135 | |
136 | static void tlp_2114x_nway_tick(void *); |
137 | |
138 | #define tlp_mchash(addr, sz) \ |
139 | (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) |
140 | |
141 | /* |
142 | * MII bit-bang glue. |
143 | */ |
144 | static uint32_t tlp_sio_mii_bitbang_read(device_t); |
145 | static void tlp_sio_mii_bitbang_write(device_t, uint32_t); |
146 | |
147 | static const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { |
148 | tlp_sio_mii_bitbang_read, |
149 | tlp_sio_mii_bitbang_write, |
150 | { |
151 | MIIROM_MDO, /* MII_BIT_MDO */ |
152 | MIIROM_MDI, /* MII_BIT_MDI */ |
153 | MIIROM_MDC, /* MII_BIT_MDC */ |
154 | 0, /* MII_BIT_DIR_HOST_PHY */ |
155 | MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ |
156 | } |
157 | }; |
158 | |
159 | #ifdef TLP_DEBUG |
160 | #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ |
161 | printf x |
162 | #else |
163 | #define DPRINTF(sc, x) /* nothing */ |
164 | #endif |
165 | |
166 | #ifdef TLP_STATS |
167 | static void tlp_print_stats(struct tulip_softc *); |
168 | #endif |
169 | |
170 | /* |
171 | * Can be used to debug the SROM-related things, including contents. |
172 | * Initialized so that it's patchable. |
173 | */ |
174 | int tlp_srom_debug = 0; |
175 | |
176 | /* |
177 | * tlp_attach: |
178 | * |
179 | * Attach a Tulip interface to the system. |
180 | */ |
181 | int |
182 | tlp_attach(struct tulip_softc *sc, const uint8_t *enaddr) |
183 | { |
184 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
185 | device_t self = sc->sc_dev; |
186 | int i, error; |
187 | |
188 | callout_init(&sc->sc_nway_callout, 0); |
189 | callout_init(&sc->sc_tick_callout, 0); |
190 | |
191 | /* |
192 | * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! |
193 | */ |
194 | |
195 | /* |
196 | * Setup the transmit threshold table. |
197 | */ |
198 | switch (sc->sc_chip) { |
199 | case TULIP_CHIP_DE425: |
200 | case TULIP_CHIP_21040: |
201 | case TULIP_CHIP_21041: |
202 | sc->sc_txth = tlp_10_txthresh_tab; |
203 | break; |
204 | |
205 | case TULIP_CHIP_DM9102: |
206 | case TULIP_CHIP_DM9102A: |
207 | sc->sc_txth = tlp_dm9102_txthresh_tab; |
208 | break; |
209 | |
210 | default: |
211 | sc->sc_txth = tlp_10_100_txthresh_tab; |
212 | break; |
213 | } |
214 | |
215 | /* |
216 | * Setup the filter setup function. |
217 | */ |
218 | switch (sc->sc_chip) { |
219 | case TULIP_CHIP_WB89C840F: |
220 | sc->sc_filter_setup = tlp_winb_filter_setup; |
221 | break; |
222 | |
223 | case TULIP_CHIP_AL981: |
224 | case TULIP_CHIP_AN983: |
225 | case TULIP_CHIP_AN985: |
226 | sc->sc_filter_setup = tlp_al981_filter_setup; |
227 | break; |
228 | |
229 | case TULIP_CHIP_AX88140: |
230 | case TULIP_CHIP_AX88141: |
231 | sc->sc_filter_setup = tlp_asix_filter_setup; |
232 | break; |
233 | |
234 | default: |
235 | sc->sc_filter_setup = tlp_filter_setup; |
236 | break; |
237 | } |
238 | |
239 | /* |
240 | * Set up the media status change function. |
241 | */ |
242 | switch (sc->sc_chip) { |
243 | case TULIP_CHIP_WB89C840F: |
244 | sc->sc_statchg = tlp_winb_mii_statchg; |
245 | break; |
246 | |
247 | case TULIP_CHIP_DM9102: |
248 | case TULIP_CHIP_DM9102A: |
249 | sc->sc_statchg = tlp_dm9102_mii_statchg; |
250 | break; |
251 | |
252 | default: |
253 | /* |
254 | * We may override this if we have special media |
255 | * handling requirements (e.g. flipping GPIO pins). |
256 | * |
257 | * The pure-MII statchg function covers the basics. |
258 | */ |
259 | sc->sc_statchg = tlp_mii_statchg; |
260 | break; |
261 | } |
262 | |
263 | /* |
264 | * Default to no FS|LS in setup packet descriptors. They're |
265 | * supposed to be zero according to the 21040 and 21143 |
266 | * manuals, and some chips fall over badly if they're |
267 | * included. Yet, other chips seem to require them. Sigh. |
268 | */ |
269 | switch (sc->sc_chip) { |
270 | case TULIP_CHIP_X3201_3: |
271 | sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; |
272 | break; |
273 | |
274 | default: |
275 | sc->sc_setup_fsls = 0; |
276 | } |
277 | |
278 | /* |
279 | * Set up various chip-specific quirks. |
280 | * |
281 | * Note that wherever we can, we use the "ring" option for |
282 | * transmit and receive descriptors. This is because some |
283 | * clone chips apparently have problems when using chaining, |
284 | * although some *only* support chaining. |
285 | * |
286 | * What we do is always program the "next" pointer, and then |
287 | * conditionally set the TDCTL_CH and TDCTL_ER bits in the |
288 | * appropriate places. |
289 | */ |
290 | switch (sc->sc_chip) { |
291 | case TULIP_CHIP_21140: |
292 | case TULIP_CHIP_21140A: |
293 | case TULIP_CHIP_21142: |
294 | case TULIP_CHIP_21143: |
295 | case TULIP_CHIP_82C115: /* 21143-like */ |
296 | case TULIP_CHIP_MX98713: /* 21140-like */ |
297 | case TULIP_CHIP_MX98713A: /* 21143-like */ |
298 | case TULIP_CHIP_MX98715: /* 21143-like */ |
299 | case TULIP_CHIP_MX98715A: /* 21143-like */ |
300 | case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ |
301 | case TULIP_CHIP_MX98725: /* 21143-like */ |
302 | case TULIP_CHIP_RS7112: /* 21143-like */ |
303 | /* |
304 | * Run these chips in ring mode. |
305 | */ |
306 | sc->sc_tdctl_ch = 0; |
307 | sc->sc_tdctl_er = TDCTL_ER; |
308 | sc->sc_preinit = tlp_2114x_preinit; |
309 | break; |
310 | |
311 | case TULIP_CHIP_82C168: |
312 | case TULIP_CHIP_82C169: |
313 | /* |
314 | * Run these chips in ring mode. |
315 | */ |
316 | sc->sc_tdctl_ch = 0; |
317 | sc->sc_tdctl_er = TDCTL_ER; |
318 | sc->sc_preinit = tlp_pnic_preinit; |
319 | |
320 | /* |
321 | * These chips seem to have busted DMA engines; just put them |
322 | * in Store-and-Forward mode from the get-go. |
323 | */ |
324 | sc->sc_txthresh = TXTH_SF; |
325 | break; |
326 | |
327 | case TULIP_CHIP_WB89C840F: |
328 | /* |
329 | * Run this chip in chained mode. |
330 | */ |
331 | sc->sc_tdctl_ch = TDCTL_CH; |
332 | sc->sc_tdctl_er = 0; |
333 | sc->sc_flags |= TULIPF_IC_FS; |
334 | break; |
335 | |
336 | case TULIP_CHIP_DM9102: |
337 | case TULIP_CHIP_DM9102A: |
338 | /* |
339 | * Run these chips in chained mode. |
340 | */ |
341 | sc->sc_tdctl_ch = TDCTL_CH; |
342 | sc->sc_tdctl_er = 0; |
343 | sc->sc_preinit = tlp_dm9102_preinit; |
344 | |
345 | /* |
346 | * These chips have a broken bus interface, so we |
347 | * can't use any optimized bus commands. For this |
348 | * reason, we tend to underrun pretty quickly, so |
349 | * just to Store-and-Forward mode from the get-go. |
350 | */ |
351 | sc->sc_txthresh = TXTH_DM9102_SF; |
352 | break; |
353 | |
354 | case TULIP_CHIP_AX88140: |
355 | case TULIP_CHIP_AX88141: |
356 | /* |
357 | * Run these chips in ring mode. |
358 | */ |
359 | sc->sc_tdctl_ch = 0; |
360 | sc->sc_tdctl_er = TDCTL_ER; |
361 | sc->sc_preinit = tlp_asix_preinit; |
362 | break; |
363 | |
364 | default: |
365 | /* |
366 | * Default to running in ring mode. |
367 | */ |
368 | sc->sc_tdctl_ch = 0; |
369 | sc->sc_tdctl_er = TDCTL_ER; |
370 | } |
371 | |
372 | /* |
373 | * Set up the MII bit-bang operations. |
374 | */ |
375 | switch (sc->sc_chip) { |
376 | case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ |
377 | sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; |
378 | break; |
379 | |
380 | default: |
381 | sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; |
382 | } |
383 | |
384 | SIMPLEQ_INIT(&sc->sc_txfreeq); |
385 | SIMPLEQ_INIT(&sc->sc_txdirtyq); |
386 | |
387 | /* |
388 | * Allocate the control data structures, and create and load the |
389 | * DMA map for it. |
390 | */ |
391 | if ((error = bus_dmamem_alloc(sc->sc_dmat, |
392 | sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, |
393 | 1, &sc->sc_cdnseg, 0)) != 0) { |
394 | aprint_error_dev(self, |
395 | "unable to allocate control data, error = %d\n" , error); |
396 | goto fail_0; |
397 | } |
398 | |
399 | if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, |
400 | sizeof(struct tulip_control_data), (void **)&sc->sc_control_data, |
401 | BUS_DMA_COHERENT)) != 0) { |
402 | aprint_error_dev(self, |
403 | "unable to map control data, error = %d\n" , error); |
404 | goto fail_1; |
405 | } |
406 | |
407 | if ((error = bus_dmamap_create(sc->sc_dmat, |
408 | sizeof(struct tulip_control_data), 1, |
409 | sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { |
410 | sc->sc_cddmamap = NULL; |
411 | aprint_error_dev(self, |
412 | "unable to create control data DMA map, error = %d\n" , |
413 | error); |
414 | goto fail_2; |
415 | } |
416 | |
417 | if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, |
418 | sc->sc_control_data, sizeof(struct tulip_control_data), NULL, |
419 | 0)) != 0) { |
420 | aprint_error_dev(self, |
421 | "unable to load control data DMA map, error = %d\n" , |
422 | error); |
423 | goto fail_3; |
424 | } |
425 | |
426 | /* |
427 | * Create the transmit buffer DMA maps. |
428 | * |
429 | * Note that on the Xircom clone, transmit buffers must be |
430 | * 4-byte aligned. We're almost guaranteed to have to copy |
431 | * the packet in that case, so we just limit ourselves to |
432 | * one segment. |
433 | * |
434 | * On the DM9102, the transmit logic can only handle one |
435 | * DMA segment. |
436 | */ |
437 | switch (sc->sc_chip) { |
438 | case TULIP_CHIP_X3201_3: |
439 | case TULIP_CHIP_DM9102: |
440 | case TULIP_CHIP_DM9102A: |
441 | case TULIP_CHIP_AX88140: |
442 | case TULIP_CHIP_AX88141: |
443 | sc->sc_ntxsegs = 1; |
444 | break; |
445 | |
446 | default: |
447 | sc->sc_ntxsegs = TULIP_NTXSEGS; |
448 | } |
449 | for (i = 0; i < TULIP_TXQUEUELEN; i++) { |
450 | if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, |
451 | sc->sc_ntxsegs, MCLBYTES, 0, 0, |
452 | &sc->sc_txsoft[i].txs_dmamap)) != 0) { |
453 | sc->sc_txsoft[i].txs_dmamap = NULL; |
454 | aprint_error_dev(self, |
455 | "unable to create tx DMA map %d, error = %d\n" , i, |
456 | error); |
457 | goto fail_4; |
458 | } |
459 | } |
460 | |
461 | /* |
462 | * Create the receive buffer DMA maps. |
463 | */ |
464 | for (i = 0; i < TULIP_NRXDESC; i++) { |
465 | if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, |
466 | MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { |
467 | sc->sc_rxsoft[i].rxs_dmamap = NULL; |
468 | aprint_error_dev(self, |
469 | "unable to create rx DMA map %d, error = %d\n" , i, |
470 | error); |
471 | goto fail_5; |
472 | } |
473 | sc->sc_rxsoft[i].rxs_mbuf = NULL; |
474 | } |
475 | |
476 | /* |
477 | * From this point forward, the attachment cannot fail. A failure |
478 | * before this point releases all resources that may have been |
479 | * allocated. |
480 | */ |
481 | sc->sc_flags |= TULIPF_ATTACHED; |
482 | |
483 | /* |
484 | * Reset the chip to a known state. |
485 | */ |
486 | tlp_reset(sc); |
487 | |
488 | /* Announce ourselves. */ |
489 | aprint_normal_dev(self, "%s%sEthernet address %s\n" , |
490 | sc->sc_name[0] != '\0' ? sc->sc_name : "" , |
491 | sc->sc_name[0] != '\0' ? ", " : "" , |
492 | ether_sprintf(enaddr)); |
493 | |
494 | /* |
495 | * Check to see if we're the simulated Ethernet on Connectix |
496 | * Virtual PC. |
497 | */ |
498 | if (enaddr[0] == 0x00 && enaddr[1] == 0x03 && enaddr[2] == 0xff) |
499 | sc->sc_flags |= TULIPF_VPC; |
500 | |
501 | /* |
502 | * Initialize our media structures. This may probe the MII, if |
503 | * present. |
504 | */ |
505 | (*sc->sc_mediasw->tmsw_init)(sc); |
506 | |
507 | strlcpy(ifp->if_xname, device_xname(self), IFNAMSIZ); |
508 | ifp->if_softc = sc; |
509 | ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; |
510 | sc->sc_if_flags = ifp->if_flags; |
511 | ifp->if_ioctl = tlp_ioctl; |
512 | ifp->if_start = tlp_start; |
513 | ifp->if_watchdog = tlp_watchdog; |
514 | ifp->if_init = tlp_init; |
515 | ifp->if_stop = tlp_stop; |
516 | IFQ_SET_READY(&ifp->if_snd); |
517 | |
518 | /* |
519 | * We can support 802.1Q VLAN-sized frames. |
520 | */ |
521 | sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; |
522 | |
523 | /* |
524 | * Attach the interface. |
525 | */ |
526 | if_attach(ifp); |
527 | ether_ifattach(ifp, enaddr); |
528 | ether_set_ifflags_cb(&sc->sc_ethercom, tlp_ifflags_cb); |
529 | |
530 | rnd_attach_source(&sc->sc_rnd_source, device_xname(self), |
531 | RND_TYPE_NET, RND_FLAG_DEFAULT); |
532 | |
533 | if (pmf_device_register(self, NULL, NULL)) |
534 | pmf_class_network_register(self, ifp); |
535 | else |
536 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
537 | |
538 | return 0; |
539 | |
540 | /* |
541 | * Free any resources we've allocated during the failed attach |
542 | * attempt. Do this in reverse order and fall through. |
543 | */ |
544 | fail_5: |
545 | for (i = 0; i < TULIP_NRXDESC; i++) { |
546 | if (sc->sc_rxsoft[i].rxs_dmamap != NULL) |
547 | bus_dmamap_destroy(sc->sc_dmat, |
548 | sc->sc_rxsoft[i].rxs_dmamap); |
549 | } |
550 | fail_4: |
551 | for (i = 0; i < TULIP_TXQUEUELEN; i++) { |
552 | if (sc->sc_txsoft[i].txs_dmamap != NULL) |
553 | bus_dmamap_destroy(sc->sc_dmat, |
554 | sc->sc_txsoft[i].txs_dmamap); |
555 | } |
556 | bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); |
557 | fail_3: |
558 | bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); |
559 | fail_2: |
560 | bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data, |
561 | sizeof(struct tulip_control_data)); |
562 | fail_1: |
563 | bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); |
564 | fail_0: |
565 | return error; |
566 | } |
567 | |
568 | /* |
569 | * tlp_activate: |
570 | * |
571 | * Handle device activation/deactivation requests. |
572 | */ |
573 | int |
574 | tlp_activate(device_t self, enum devact act) |
575 | { |
576 | struct tulip_softc *sc = device_private(self); |
577 | |
578 | switch (act) { |
579 | case DVACT_DEACTIVATE: |
580 | if_deactivate(&sc->sc_ethercom.ec_if); |
581 | return 0; |
582 | default: |
583 | return EOPNOTSUPP; |
584 | } |
585 | } |
586 | |
587 | /* |
588 | * tlp_detach: |
589 | * |
590 | * Detach a Tulip interface. |
591 | */ |
592 | int |
593 | tlp_detach(struct tulip_softc *sc) |
594 | { |
595 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
596 | struct tulip_rxsoft *rxs; |
597 | struct tulip_txsoft *txs; |
598 | device_t self = sc->sc_dev; |
599 | int i, s; |
600 | |
601 | /* |
602 | * Succeed now if there isn't any work to do. |
603 | */ |
604 | if ((sc->sc_flags & TULIPF_ATTACHED) == 0) |
605 | return (0); |
606 | |
607 | s = splnet(); |
608 | /* Stop the interface. Callouts are stopped in it. */ |
609 | tlp_stop(ifp, 1); |
610 | splx(s); |
611 | |
612 | /* Destroy our callouts. */ |
613 | callout_destroy(&sc->sc_nway_callout); |
614 | callout_destroy(&sc->sc_tick_callout); |
615 | |
616 | if (sc->sc_flags & TULIPF_HAS_MII) { |
617 | /* Detach all PHYs */ |
618 | mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); |
619 | } |
620 | |
621 | /* Delete all remaining media. */ |
622 | ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); |
623 | |
624 | rnd_detach_source(&sc->sc_rnd_source); |
625 | |
626 | ether_ifdetach(ifp); |
627 | if_detach(ifp); |
628 | |
629 | for (i = 0; i < TULIP_NRXDESC; i++) { |
630 | rxs = &sc->sc_rxsoft[i]; |
631 | if (rxs->rxs_mbuf != NULL) { |
632 | bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); |
633 | m_freem(rxs->rxs_mbuf); |
634 | rxs->rxs_mbuf = NULL; |
635 | } |
636 | bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); |
637 | } |
638 | for (i = 0; i < TULIP_TXQUEUELEN; i++) { |
639 | txs = &sc->sc_txsoft[i]; |
640 | if (txs->txs_mbuf != NULL) { |
641 | bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); |
642 | m_freem(txs->txs_mbuf); |
643 | txs->txs_mbuf = NULL; |
644 | } |
645 | bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); |
646 | } |
647 | bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); |
648 | bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); |
649 | bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data, |
650 | sizeof(struct tulip_control_data)); |
651 | bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); |
652 | |
653 | pmf_device_deregister(self); |
654 | |
655 | if (sc->sc_srom) |
656 | free(sc->sc_srom, M_DEVBUF); |
657 | |
658 | return (0); |
659 | } |
660 | |
661 | /* |
662 | * tlp_start: [ifnet interface function] |
663 | * |
664 | * Start packet transmission on the interface. |
665 | */ |
666 | static void |
667 | tlp_start(struct ifnet *ifp) |
668 | { |
669 | struct tulip_softc *sc = ifp->if_softc; |
670 | struct mbuf *m0, *m; |
671 | struct tulip_txsoft *txs, *last_txs = NULL; |
672 | bus_dmamap_t dmamap; |
673 | int error, firsttx, nexttx, lasttx = 1, ofree, seg; |
674 | struct tulip_desc *txd; |
675 | |
676 | DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n" , |
677 | device_xname(sc->sc_dev), sc->sc_flags, ifp->if_flags)); |
678 | |
679 | /* |
680 | * If we want a filter setup, it means no more descriptors were |
681 | * available for the setup routine. Let it get a chance to wedge |
682 | * itself into the ring. |
683 | */ |
684 | if (sc->sc_flags & TULIPF_WANT_SETUP) |
685 | ifp->if_flags |= IFF_OACTIVE; |
686 | |
687 | if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) |
688 | return; |
689 | |
690 | if (sc->sc_tick == tlp_2114x_nway_tick && |
691 | (sc->sc_flags & TULIPF_LINK_UP) == 0 && ifp->if_snd.ifq_len < 10) |
692 | return; |
693 | |
694 | /* |
695 | * Remember the previous number of free descriptors and |
696 | * the first descriptor we'll use. |
697 | */ |
698 | ofree = sc->sc_txfree; |
699 | firsttx = sc->sc_txnext; |
700 | |
701 | DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n" , |
702 | device_xname(sc->sc_dev), ofree, firsttx)); |
703 | |
704 | /* |
705 | * Loop through the send queue, setting up transmit descriptors |
706 | * until we drain the queue, or use up all available transmit |
707 | * descriptors. |
708 | */ |
709 | while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && |
710 | sc->sc_txfree != 0) { |
711 | /* |
712 | * Grab a packet off the queue. |
713 | */ |
714 | IFQ_POLL(&ifp->if_snd, m0); |
715 | if (m0 == NULL) |
716 | break; |
717 | m = NULL; |
718 | |
719 | dmamap = txs->txs_dmamap; |
720 | |
721 | /* |
722 | * Load the DMA map. If this fails, the packet either |
723 | * didn't fit in the alloted number of segments, or we were |
724 | * short on resources. In this case, we'll copy and try |
725 | * again. |
726 | * |
727 | * Note that if we're only allowed 1 Tx segment, we |
728 | * have an alignment restriction. Do this test before |
729 | * attempting to load the DMA map, because it's more |
730 | * likely we'll trip the alignment test than the |
731 | * more-than-one-segment test. |
732 | */ |
733 | if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) || |
734 | bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, |
735 | BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) { |
736 | MGETHDR(m, M_DONTWAIT, MT_DATA); |
737 | if (m == NULL) { |
738 | aprint_error_dev(sc->sc_dev, "unable to allocate Tx mbuf\n" ); |
739 | break; |
740 | } |
741 | MCLAIM(m, &sc->sc_ethercom.ec_tx_mowner); |
742 | if (m0->m_pkthdr.len > MHLEN) { |
743 | MCLGET(m, M_DONTWAIT); |
744 | if ((m->m_flags & M_EXT) == 0) { |
745 | aprint_error_dev(sc->sc_dev, |
746 | "unable to allocate Tx cluster\n" ); |
747 | m_freem(m); |
748 | break; |
749 | } |
750 | } |
751 | m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, void *)); |
752 | m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; |
753 | error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, |
754 | m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); |
755 | if (error) { |
756 | aprint_error_dev(sc->sc_dev, |
757 | "unable to load Tx buffer, error = %d" , |
758 | error); |
759 | break; |
760 | } |
761 | } |
762 | |
763 | /* |
764 | * Ensure we have enough descriptors free to describe |
765 | * the packet. |
766 | */ |
767 | if (dmamap->dm_nsegs > sc->sc_txfree) { |
768 | /* |
769 | * Not enough free descriptors to transmit this |
770 | * packet. We haven't committed to anything yet, |
771 | * so just unload the DMA map, put the packet |
772 | * back on the queue, and punt. Notify the upper |
773 | * layer that there are no more slots left. |
774 | * |
775 | * XXX We could allocate an mbuf and copy, but |
776 | * XXX it is worth it? |
777 | */ |
778 | ifp->if_flags |= IFF_OACTIVE; |
779 | bus_dmamap_unload(sc->sc_dmat, dmamap); |
780 | if (m != NULL) |
781 | m_freem(m); |
782 | break; |
783 | } |
784 | |
785 | IFQ_DEQUEUE(&ifp->if_snd, m0); |
786 | if (m != NULL) { |
787 | m_freem(m0); |
788 | m0 = m; |
789 | } |
790 | |
791 | /* |
792 | * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. |
793 | */ |
794 | |
795 | /* Sync the DMA map. */ |
796 | bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, |
797 | BUS_DMASYNC_PREWRITE); |
798 | |
799 | /* |
800 | * Initialize the transmit descriptors. |
801 | */ |
802 | for (nexttx = sc->sc_txnext, seg = 0; |
803 | seg < dmamap->dm_nsegs; |
804 | seg++, nexttx = TULIP_NEXTTX(nexttx)) { |
805 | /* |
806 | * If this is the first descriptor we're |
807 | * enqueueing, don't set the OWN bit just |
808 | * yet. That could cause a race condition. |
809 | * We'll do it below. |
810 | */ |
811 | txd = &sc->sc_txdescs[nexttx]; |
812 | txd->td_status = |
813 | (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); |
814 | txd->td_bufaddr1 = |
815 | htole32(dmamap->dm_segs[seg].ds_addr); |
816 | txd->td_ctl = |
817 | htole32((dmamap->dm_segs[seg].ds_len << |
818 | TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | |
819 | (nexttx == (TULIP_NTXDESC - 1) ? |
820 | sc->sc_tdctl_er : 0)); |
821 | lasttx = nexttx; |
822 | } |
823 | |
824 | KASSERT(lasttx != -1); |
825 | |
826 | /* Set `first segment' and `last segment' appropriately. */ |
827 | sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); |
828 | sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); |
829 | |
830 | #ifdef TLP_DEBUG |
831 | if (ifp->if_flags & IFF_DEBUG) { |
832 | printf(" txsoft %p transmit chain:\n" , txs); |
833 | for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { |
834 | txd = &sc->sc_txdescs[seg]; |
835 | printf(" descriptor %d:\n" , seg); |
836 | printf(" td_status: 0x%08x\n" , |
837 | le32toh(txd->td_status)); |
838 | printf(" td_ctl: 0x%08x\n" , |
839 | le32toh(txd->td_ctl)); |
840 | printf(" td_bufaddr1: 0x%08x\n" , |
841 | le32toh(txd->td_bufaddr1)); |
842 | printf(" td_bufaddr2: 0x%08x\n" , |
843 | le32toh(txd->td_bufaddr2)); |
844 | if (seg == lasttx) |
845 | break; |
846 | } |
847 | } |
848 | #endif |
849 | |
850 | /* Sync the descriptors we're using. */ |
851 | TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, |
852 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
853 | |
854 | /* |
855 | * Store a pointer to the packet so we can free it later, |
856 | * and remember what txdirty will be once the packet is |
857 | * done. |
858 | */ |
859 | txs->txs_mbuf = m0; |
860 | txs->txs_firstdesc = sc->sc_txnext; |
861 | txs->txs_lastdesc = lasttx; |
862 | txs->txs_ndescs = dmamap->dm_nsegs; |
863 | |
864 | /* Advance the tx pointer. */ |
865 | sc->sc_txfree -= dmamap->dm_nsegs; |
866 | sc->sc_txnext = nexttx; |
867 | |
868 | SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); |
869 | SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); |
870 | |
871 | last_txs = txs; |
872 | |
873 | /* |
874 | * Pass the packet to any BPF listeners. |
875 | */ |
876 | bpf_mtap(ifp, m0); |
877 | } |
878 | |
879 | if (txs == NULL || sc->sc_txfree == 0) { |
880 | /* No more slots left; notify upper layer. */ |
881 | ifp->if_flags |= IFF_OACTIVE; |
882 | } |
883 | |
884 | if (sc->sc_txfree != ofree) { |
885 | DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n" , |
886 | device_xname(sc->sc_dev), lasttx, firsttx)); |
887 | /* |
888 | * Cause a transmit interrupt to happen on the |
889 | * last packet we enqueued. |
890 | */ |
891 | sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); |
892 | TULIP_CDTXSYNC(sc, lasttx, 1, |
893 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
894 | |
895 | /* |
896 | * Some clone chips want IC on the *first* segment in |
897 | * the packet. Appease them. |
898 | */ |
899 | KASSERT(last_txs != NULL); |
900 | if ((sc->sc_flags & TULIPF_IC_FS) != 0 && |
901 | last_txs->txs_firstdesc != lasttx) { |
902 | sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= |
903 | htole32(TDCTL_Tx_IC); |
904 | TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, |
905 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
906 | } |
907 | |
908 | /* |
909 | * The entire packet chain is set up. Give the |
910 | * first descriptor to the chip now. |
911 | */ |
912 | sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); |
913 | TULIP_CDTXSYNC(sc, firsttx, 1, |
914 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
915 | |
916 | /* Wake up the transmitter. */ |
917 | /* XXX USE AUTOPOLLING? */ |
918 | TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); |
919 | |
920 | /* Set a watchdog timer in case the chip flakes out. */ |
921 | ifp->if_timer = 5; |
922 | } |
923 | } |
924 | |
925 | /* |
926 | * tlp_watchdog: [ifnet interface function] |
927 | * |
928 | * Watchdog timer handler. |
929 | */ |
930 | static void |
931 | tlp_watchdog(struct ifnet *ifp) |
932 | { |
933 | struct tulip_softc *sc = ifp->if_softc; |
934 | int doing_setup, doing_transmit; |
935 | |
936 | doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); |
937 | doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq)); |
938 | |
939 | if (doing_setup && doing_transmit) { |
940 | printf("%s: filter setup and transmit timeout\n" , |
941 | device_xname(sc->sc_dev)); |
942 | ifp->if_oerrors++; |
943 | } else if (doing_transmit) { |
944 | printf("%s: transmit timeout\n" , device_xname(sc->sc_dev)); |
945 | ifp->if_oerrors++; |
946 | } else if (doing_setup) |
947 | printf("%s: filter setup timeout\n" , device_xname(sc->sc_dev)); |
948 | else |
949 | printf("%s: spurious watchdog timeout\n" , |
950 | device_xname(sc->sc_dev)); |
951 | |
952 | (void) tlp_init(ifp); |
953 | |
954 | /* Try to get more packets going. */ |
955 | tlp_start(ifp); |
956 | } |
957 | |
958 | /* If the interface is up and running, only modify the receive |
959 | * filter when setting promiscuous or debug mode. Otherwise fall |
960 | * through to ether_ioctl, which will reset the chip. |
961 | */ |
962 | static int |
963 | tlp_ifflags_cb(struct ethercom *ec) |
964 | { |
965 | struct ifnet *ifp = &ec->ec_if; |
966 | struct tulip_softc *sc = ifp->if_softc; |
967 | int change = ifp->if_flags ^ sc->sc_if_flags; |
968 | |
969 | if ((change & ~(IFF_CANTCHANGE|IFF_DEBUG)) != 0) |
970 | return ENETRESET; |
971 | if ((change & IFF_PROMISC) != 0) |
972 | (*sc->sc_filter_setup)(sc); |
973 | return 0; |
974 | } |
975 | |
976 | /* |
977 | * tlp_ioctl: [ifnet interface function] |
978 | * |
979 | * Handle control requests from the operator. |
980 | */ |
981 | static int |
982 | tlp_ioctl(struct ifnet *ifp, u_long cmd, void *data) |
983 | { |
984 | struct tulip_softc *sc = ifp->if_softc; |
985 | struct ifreq *ifr = (struct ifreq *)data; |
986 | int s, error; |
987 | |
988 | s = splnet(); |
989 | |
990 | switch (cmd) { |
991 | case SIOCSIFMEDIA: |
992 | case SIOCGIFMEDIA: |
993 | error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); |
994 | break; |
995 | default: |
996 | error = ether_ioctl(ifp, cmd, data); |
997 | if (error == ENETRESET) { |
998 | if (ifp->if_flags & IFF_RUNNING) { |
999 | /* |
1000 | * Multicast list has changed. Set the |
1001 | * hardware filter accordingly. |
1002 | */ |
1003 | (*sc->sc_filter_setup)(sc); |
1004 | } |
1005 | error = 0; |
1006 | } |
1007 | break; |
1008 | } |
1009 | |
1010 | /* Try to get more packets going. */ |
1011 | if (TULIP_IS_ENABLED(sc)) |
1012 | tlp_start(ifp); |
1013 | |
1014 | sc->sc_if_flags = ifp->if_flags; |
1015 | splx(s); |
1016 | return (error); |
1017 | } |
1018 | |
1019 | /* |
1020 | * tlp_intr: |
1021 | * |
1022 | * Interrupt service routine. |
1023 | */ |
1024 | int |
1025 | tlp_intr(void *arg) |
1026 | { |
1027 | struct tulip_softc *sc = arg; |
1028 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
1029 | uint32_t status, rxstatus, txstatus; |
1030 | int handled = 0, txthresh; |
1031 | |
1032 | DPRINTF(sc, ("%s: tlp_intr\n" , device_xname(sc->sc_dev))); |
1033 | |
1034 | #ifdef DEBUG |
1035 | if (TULIP_IS_ENABLED(sc) == 0) |
1036 | panic("%s: tlp_intr: not enabled" , device_xname(sc->sc_dev)); |
1037 | #endif |
1038 | |
1039 | /* |
1040 | * If the interface isn't running, the interrupt couldn't |
1041 | * possibly have come from us. |
1042 | */ |
1043 | if ((ifp->if_flags & IFF_RUNNING) == 0 || |
1044 | !device_is_active(sc->sc_dev)) |
1045 | return (0); |
1046 | |
1047 | /* Disable interrupts on the DM9102 (interrupt edge bug). */ |
1048 | switch (sc->sc_chip) { |
1049 | case TULIP_CHIP_DM9102: |
1050 | case TULIP_CHIP_DM9102A: |
1051 | TULIP_WRITE(sc, CSR_INTEN, 0); |
1052 | break; |
1053 | |
1054 | default: |
1055 | /* Nothing. */ |
1056 | break; |
1057 | } |
1058 | |
1059 | for (;;) { |
1060 | status = TULIP_READ(sc, CSR_STATUS); |
1061 | if (status) |
1062 | TULIP_WRITE(sc, CSR_STATUS, status); |
1063 | |
1064 | if ((status & sc->sc_inten) == 0) |
1065 | break; |
1066 | |
1067 | handled = 1; |
1068 | |
1069 | rxstatus = status & sc->sc_rxint_mask; |
1070 | txstatus = status & sc->sc_txint_mask; |
1071 | |
1072 | if (rxstatus) { |
1073 | /* Grab new any new packets. */ |
1074 | tlp_rxintr(sc); |
1075 | |
1076 | if (rxstatus & STATUS_RWT) |
1077 | printf("%s: receive watchdog timeout\n" , |
1078 | device_xname(sc->sc_dev)); |
1079 | |
1080 | if (rxstatus & STATUS_RU) { |
1081 | printf("%s: receive ring overrun\n" , |
1082 | device_xname(sc->sc_dev)); |
1083 | /* Get the receive process going again. */ |
1084 | if (sc->sc_tdctl_er != TDCTL_ER) { |
1085 | tlp_idle(sc, OPMODE_SR); |
1086 | TULIP_WRITE(sc, CSR_RXLIST, |
1087 | TULIP_CDRXADDR(sc, sc->sc_rxptr)); |
1088 | TULIP_WRITE(sc, CSR_OPMODE, |
1089 | sc->sc_opmode); |
1090 | } |
1091 | TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); |
1092 | break; |
1093 | } |
1094 | } |
1095 | |
1096 | if (txstatus) { |
1097 | /* Sweep up transmit descriptors. */ |
1098 | tlp_txintr(sc); |
1099 | |
1100 | if (txstatus & STATUS_TJT) |
1101 | printf("%s: transmit jabber timeout\n" , |
1102 | device_xname(sc->sc_dev)); |
1103 | |
1104 | if (txstatus & STATUS_UNF) { |
1105 | /* |
1106 | * Increase our transmit threshold if |
1107 | * another is available. |
1108 | */ |
1109 | txthresh = sc->sc_txthresh + 1; |
1110 | if (sc->sc_txth[txthresh].txth_name != NULL) { |
1111 | /* Idle the transmit process. */ |
1112 | tlp_idle(sc, OPMODE_ST); |
1113 | |
1114 | sc->sc_txthresh = txthresh; |
1115 | sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); |
1116 | sc->sc_opmode |= |
1117 | sc->sc_txth[txthresh].txth_opmode; |
1118 | printf("%s: transmit underrun; new " |
1119 | "threshold: %s\n" , |
1120 | device_xname(sc->sc_dev), |
1121 | sc->sc_txth[txthresh].txth_name); |
1122 | |
1123 | /* |
1124 | * Set the new threshold and restart |
1125 | * the transmit process. |
1126 | */ |
1127 | TULIP_WRITE(sc, CSR_OPMODE, |
1128 | sc->sc_opmode); |
1129 | } |
1130 | /* |
1131 | * XXX Log every Nth underrun from |
1132 | * XXX now on? |
1133 | */ |
1134 | } |
1135 | } |
1136 | |
1137 | if (status & (STATUS_TPS|STATUS_RPS)) { |
1138 | if (status & STATUS_TPS) |
1139 | printf("%s: transmit process stopped\n" , |
1140 | device_xname(sc->sc_dev)); |
1141 | if (status & STATUS_RPS) |
1142 | printf("%s: receive process stopped\n" , |
1143 | device_xname(sc->sc_dev)); |
1144 | (void) tlp_init(ifp); |
1145 | break; |
1146 | } |
1147 | |
1148 | if (status & STATUS_SE) { |
1149 | const char *str; |
1150 | switch (status & STATUS_EB) { |
1151 | case STATUS_EB_PARITY: |
1152 | str = "parity error" ; |
1153 | break; |
1154 | |
1155 | case STATUS_EB_MABT: |
1156 | str = "master abort" ; |
1157 | break; |
1158 | |
1159 | case STATUS_EB_TABT: |
1160 | str = "target abort" ; |
1161 | break; |
1162 | |
1163 | default: |
1164 | str = "unknown error" ; |
1165 | break; |
1166 | } |
1167 | aprint_error_dev(sc->sc_dev, |
1168 | "fatal system error: %s\n" , str); |
1169 | (void) tlp_init(ifp); |
1170 | break; |
1171 | } |
1172 | |
1173 | /* |
1174 | * Not handled: |
1175 | * |
1176 | * Transmit buffer unavailable -- normal |
1177 | * condition, nothing to do, really. |
1178 | * |
1179 | * General purpose timer experied -- we don't |
1180 | * use the general purpose timer. |
1181 | * |
1182 | * Early receive interrupt -- not available on |
1183 | * all chips, we just use RI. We also only |
1184 | * use single-segment receive DMA, so this |
1185 | * is mostly useless. |
1186 | */ |
1187 | } |
1188 | |
1189 | /* Bring interrupts back up on the DM9102. */ |
1190 | switch (sc->sc_chip) { |
1191 | case TULIP_CHIP_DM9102: |
1192 | case TULIP_CHIP_DM9102A: |
1193 | TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); |
1194 | break; |
1195 | |
1196 | default: |
1197 | /* Nothing. */ |
1198 | break; |
1199 | } |
1200 | |
1201 | /* Try to get more packets going. */ |
1202 | tlp_start(ifp); |
1203 | |
1204 | if (handled) |
1205 | rnd_add_uint32(&sc->sc_rnd_source, status); |
1206 | |
1207 | return (handled); |
1208 | } |
1209 | |
1210 | /* |
1211 | * tlp_rxintr: |
1212 | * |
1213 | * Helper; handle receive interrupts. |
1214 | */ |
1215 | static void |
1216 | tlp_rxintr(struct tulip_softc *sc) |
1217 | { |
1218 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
1219 | struct ether_header *eh; |
1220 | struct tulip_rxsoft *rxs; |
1221 | struct mbuf *m; |
1222 | uint32_t rxstat, errors; |
1223 | int i, len; |
1224 | |
1225 | for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { |
1226 | rxs = &sc->sc_rxsoft[i]; |
1227 | |
1228 | TULIP_CDRXSYNC(sc, i, |
1229 | BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); |
1230 | |
1231 | rxstat = le32toh(sc->sc_rxdescs[i].td_status); |
1232 | |
1233 | if (rxstat & TDSTAT_OWN) { |
1234 | /* |
1235 | * We have processed all of the receive buffers. |
1236 | */ |
1237 | break; |
1238 | } |
1239 | |
1240 | /* |
1241 | * Make sure the packet fit in one buffer. This should |
1242 | * always be the case. But the Lite-On PNIC, rev 33 |
1243 | * has an awful receive engine bug, which may require |
1244 | * a very icky work-around. |
1245 | */ |
1246 | if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != |
1247 | (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { |
1248 | printf("%s: incoming packet spilled, resetting\n" , |
1249 | device_xname(sc->sc_dev)); |
1250 | (void) tlp_init(ifp); |
1251 | return; |
1252 | } |
1253 | |
1254 | /* |
1255 | * If any collisions were seen on the wire, count one. |
1256 | */ |
1257 | if (rxstat & TDSTAT_Rx_CS) |
1258 | ifp->if_collisions++; |
1259 | |
1260 | /* |
1261 | * If an error occurred, update stats, clear the status |
1262 | * word, and leave the packet buffer in place. It will |
1263 | * simply be reused the next time the ring comes around. |
1264 | */ |
1265 | errors = TDSTAT_Rx_DE | TDSTAT_Rx_RF | TDSTAT_Rx_TL | |
1266 | TDSTAT_Rx_CS | TDSTAT_Rx_RE | TDSTAT_Rx_DB | TDSTAT_Rx_CE; |
1267 | /* |
1268 | * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long |
1269 | * error. |
1270 | */ |
1271 | if ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) != 0) |
1272 | errors &= ~TDSTAT_Rx_TL; |
1273 | /* |
1274 | * If chip doesn't have MII, ignore the MII error bit. |
1275 | */ |
1276 | if ((sc->sc_flags & TULIPF_HAS_MII) == 0) |
1277 | errors &= ~TDSTAT_Rx_RE; |
1278 | |
1279 | if ((rxstat & TDSTAT_ES) != 0 && |
1280 | (rxstat & errors) != 0) { |
1281 | rxstat &= errors; |
1282 | #define PRINTERR(bit, str) \ |
1283 | if (rxstat & (bit)) \ |
1284 | aprint_error_dev(sc->sc_dev, \ |
1285 | "receive error: %s\n", str) |
1286 | ifp->if_ierrors++; |
1287 | PRINTERR(TDSTAT_Rx_DE, "descriptor error" ); |
1288 | PRINTERR(TDSTAT_Rx_RF, "runt frame" ); |
1289 | PRINTERR(TDSTAT_Rx_TL, "frame too long" ); |
1290 | PRINTERR(TDSTAT_Rx_RE, "MII error" ); |
1291 | PRINTERR(TDSTAT_Rx_DB, "dribbling bit" ); |
1292 | PRINTERR(TDSTAT_Rx_CE, "CRC error" ); |
1293 | #undef PRINTERR |
1294 | TULIP_INIT_RXDESC(sc, i); |
1295 | continue; |
1296 | } |
1297 | |
1298 | bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, |
1299 | rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); |
1300 | |
1301 | /* |
1302 | * No errors; receive the packet. Note the Tulip |
1303 | * includes the CRC with every packet. |
1304 | */ |
1305 | len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; |
1306 | |
1307 | #ifdef __NO_STRICT_ALIGNMENT |
1308 | /* |
1309 | * Allocate a new mbuf cluster. If that fails, we are |
1310 | * out of memory, and must drop the packet and recycle |
1311 | * the buffer that's already attached to this descriptor. |
1312 | */ |
1313 | m = rxs->rxs_mbuf; |
1314 | if (tlp_add_rxbuf(sc, i) != 0) { |
1315 | ifp->if_ierrors++; |
1316 | TULIP_INIT_RXDESC(sc, i); |
1317 | bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, |
1318 | rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); |
1319 | continue; |
1320 | } |
1321 | #else |
1322 | /* |
1323 | * The Tulip's receive buffers must be 4-byte aligned. |
1324 | * But this means that the data after the Ethernet header |
1325 | * is misaligned. We must allocate a new buffer and |
1326 | * copy the data, shifted forward 2 bytes. |
1327 | */ |
1328 | MGETHDR(m, M_DONTWAIT, MT_DATA); |
1329 | if (m == NULL) { |
1330 | dropit: |
1331 | ifp->if_ierrors++; |
1332 | TULIP_INIT_RXDESC(sc, i); |
1333 | bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, |
1334 | rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); |
1335 | continue; |
1336 | } |
1337 | MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); |
1338 | if (len > (MHLEN - 2)) { |
1339 | MCLGET(m, M_DONTWAIT); |
1340 | if ((m->m_flags & M_EXT) == 0) { |
1341 | m_freem(m); |
1342 | goto dropit; |
1343 | } |
1344 | } |
1345 | m->m_data += 2; |
1346 | |
1347 | /* |
1348 | * Note that we use clusters for incoming frames, so the |
1349 | * buffer is virtually contiguous. |
1350 | */ |
1351 | memcpy(mtod(m, void *), mtod(rxs->rxs_mbuf, void *), len); |
1352 | |
1353 | /* Allow the receive descriptor to continue using its mbuf. */ |
1354 | TULIP_INIT_RXDESC(sc, i); |
1355 | bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, |
1356 | rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); |
1357 | #endif /* __NO_STRICT_ALIGNMENT */ |
1358 | |
1359 | ifp->if_ipackets++; |
1360 | eh = mtod(m, struct ether_header *); |
1361 | m_set_rcvif(m, ifp); |
1362 | m->m_pkthdr.len = m->m_len = len; |
1363 | |
1364 | /* |
1365 | * XXX Work-around for a weird problem with the emulated |
1366 | * 21041 on Connectix Virtual PC: |
1367 | * |
1368 | * When we receive a full-size TCP segment, we seem to get |
1369 | * a packet there the Rx status says 1522 bytes, yet we do |
1370 | * not get a frame-too-long error from the chip. The extra |
1371 | * bytes seem to always be zeros. Perhaps Virtual PC is |
1372 | * inserting 4 bytes of zeros after every packet. In any |
1373 | * case, let's try and detect this condition and truncate |
1374 | * the length so that it will pass up the stack. |
1375 | */ |
1376 | if (__predict_false((sc->sc_flags & TULIPF_VPC) != 0)) { |
1377 | uint16_t etype = ntohs(eh->ether_type); |
1378 | |
1379 | if (len > ETHER_MAX_FRAME(ifp, etype, 0)) |
1380 | m->m_pkthdr.len = m->m_len = len = |
1381 | ETHER_MAX_FRAME(ifp, etype, 0); |
1382 | } |
1383 | |
1384 | /* |
1385 | * Pass this up to any BPF listeners, but only |
1386 | * pass it up the stack if it's for us. |
1387 | */ |
1388 | bpf_mtap(ifp, m); |
1389 | |
1390 | /* |
1391 | * We sometimes have to run the 21140 in Hash-Only |
1392 | * mode. If we're in that mode, and not in promiscuous |
1393 | * mode, and we have a unicast packet that isn't for |
1394 | * us, then drop it. |
1395 | */ |
1396 | if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && |
1397 | (ifp->if_flags & IFF_PROMISC) == 0 && |
1398 | ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && |
1399 | memcmp(CLLADDR(ifp->if_sadl), eh->ether_dhost, |
1400 | ETHER_ADDR_LEN) != 0) { |
1401 | m_freem(m); |
1402 | continue; |
1403 | } |
1404 | |
1405 | /* Pass it on. */ |
1406 | if_percpuq_enqueue(ifp->if_percpuq, m); |
1407 | } |
1408 | |
1409 | /* Update the receive pointer. */ |
1410 | sc->sc_rxptr = i; |
1411 | } |
1412 | |
1413 | /* |
1414 | * tlp_txintr: |
1415 | * |
1416 | * Helper; handle transmit interrupts. |
1417 | */ |
1418 | static void |
1419 | tlp_txintr(struct tulip_softc *sc) |
1420 | { |
1421 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
1422 | struct tulip_txsoft *txs; |
1423 | uint32_t txstat; |
1424 | |
1425 | DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n" , |
1426 | device_xname(sc->sc_dev), sc->sc_flags)); |
1427 | |
1428 | ifp->if_flags &= ~IFF_OACTIVE; |
1429 | |
1430 | /* |
1431 | * Go through our Tx list and free mbufs for those |
1432 | * frames that have been transmitted. |
1433 | */ |
1434 | while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { |
1435 | TULIP_CDTXSYNC(sc, txs->txs_lastdesc, |
1436 | txs->txs_ndescs, |
1437 | BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); |
1438 | |
1439 | #ifdef TLP_DEBUG |
1440 | if (ifp->if_flags & IFF_DEBUG) { |
1441 | int i; |
1442 | struct tulip_desc *txd; |
1443 | printf(" txsoft %p transmit chain:\n" , txs); |
1444 | for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { |
1445 | txd = &sc->sc_txdescs[i]; |
1446 | printf(" descriptor %d:\n" , i); |
1447 | printf(" td_status: 0x%08x\n" , |
1448 | le32toh(txd->td_status)); |
1449 | printf(" td_ctl: 0x%08x\n" , |
1450 | le32toh(txd->td_ctl)); |
1451 | printf(" td_bufaddr1: 0x%08x\n" , |
1452 | le32toh(txd->td_bufaddr1)); |
1453 | printf(" td_bufaddr2: 0x%08x\n" , |
1454 | le32toh(sc->sc_txdescs[i].td_bufaddr2)); |
1455 | if (i == txs->txs_lastdesc) |
1456 | break; |
1457 | } |
1458 | } |
1459 | #endif |
1460 | |
1461 | txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); |
1462 | if (txstat & TDSTAT_OWN) |
1463 | break; |
1464 | |
1465 | SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); |
1466 | |
1467 | sc->sc_txfree += txs->txs_ndescs; |
1468 | |
1469 | if (txs->txs_mbuf == NULL) { |
1470 | /* |
1471 | * If we didn't have an mbuf, it was the setup |
1472 | * packet. |
1473 | */ |
1474 | #ifdef DIAGNOSTIC |
1475 | if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) |
1476 | panic("tlp_txintr: null mbuf, not doing setup" ); |
1477 | #endif |
1478 | TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); |
1479 | sc->sc_flags &= ~TULIPF_DOING_SETUP; |
1480 | SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); |
1481 | continue; |
1482 | } |
1483 | |
1484 | bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, |
1485 | 0, txs->txs_dmamap->dm_mapsize, |
1486 | BUS_DMASYNC_POSTWRITE); |
1487 | bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); |
1488 | m_freem(txs->txs_mbuf); |
1489 | txs->txs_mbuf = NULL; |
1490 | |
1491 | SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); |
1492 | |
1493 | /* |
1494 | * Check for errors and collisions. |
1495 | */ |
1496 | #ifdef TLP_STATS |
1497 | if (txstat & TDSTAT_Tx_UF) |
1498 | sc->sc_stats.ts_tx_uf++; |
1499 | if (txstat & TDSTAT_Tx_TO) |
1500 | sc->sc_stats.ts_tx_to++; |
1501 | if (txstat & TDSTAT_Tx_EC) |
1502 | sc->sc_stats.ts_tx_ec++; |
1503 | if (txstat & TDSTAT_Tx_LC) |
1504 | sc->sc_stats.ts_tx_lc++; |
1505 | #endif |
1506 | |
1507 | if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) |
1508 | ifp->if_oerrors++; |
1509 | |
1510 | if (txstat & TDSTAT_Tx_EC) |
1511 | ifp->if_collisions += 16; |
1512 | else |
1513 | ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); |
1514 | if (txstat & TDSTAT_Tx_LC) |
1515 | ifp->if_collisions++; |
1516 | |
1517 | ifp->if_opackets++; |
1518 | } |
1519 | |
1520 | /* |
1521 | * If there are no more pending transmissions, cancel the watchdog |
1522 | * timer. |
1523 | */ |
1524 | if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) |
1525 | ifp->if_timer = 0; |
1526 | |
1527 | /* |
1528 | * If we have a receive filter setup pending, do it now. |
1529 | */ |
1530 | if (sc->sc_flags & TULIPF_WANT_SETUP) |
1531 | (*sc->sc_filter_setup)(sc); |
1532 | } |
1533 | |
1534 | #ifdef TLP_STATS |
1535 | void |
1536 | tlp_print_stats(struct tulip_softc *sc) |
1537 | { |
1538 | |
1539 | printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n" , |
1540 | device_xname(sc->sc_dev), |
1541 | sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, |
1542 | sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); |
1543 | } |
1544 | #endif |
1545 | |
1546 | /* |
1547 | * tlp_reset: |
1548 | * |
1549 | * Perform a soft reset on the Tulip. |
1550 | */ |
1551 | void |
1552 | tlp_reset(struct tulip_softc *sc) |
1553 | { |
1554 | int i; |
1555 | |
1556 | TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); |
1557 | |
1558 | /* |
1559 | * Xircom, ASIX and Conexant clones don't bring themselves |
1560 | * out of reset automatically. |
1561 | * Instead, we have to wait at least 50 PCI cycles, and then |
1562 | * clear SWR. |
1563 | */ |
1564 | switch (sc->sc_chip) { |
1565 | case TULIP_CHIP_X3201_3: |
1566 | case TULIP_CHIP_AX88140: |
1567 | case TULIP_CHIP_AX88141: |
1568 | case TULIP_CHIP_RS7112: |
1569 | delay(10); |
1570 | TULIP_WRITE(sc, CSR_BUSMODE, 0); |
1571 | break; |
1572 | default: |
1573 | break; |
1574 | } |
1575 | |
1576 | for (i = 0; i < 1000; i++) { |
1577 | /* |
1578 | * Wait at least 50 PCI cycles for the reset to |
1579 | * complete before peeking at the Tulip again. |
1580 | * 10 uSec is a bit longer than 50 PCI cycles |
1581 | * (at 33MHz), but it doesn't hurt have the extra |
1582 | * wait. |
1583 | */ |
1584 | delay(10); |
1585 | if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) |
1586 | break; |
1587 | } |
1588 | |
1589 | if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) |
1590 | aprint_error_dev(sc->sc_dev, "reset failed to complete\n" ); |
1591 | |
1592 | delay(1000); |
1593 | |
1594 | /* |
1595 | * If the board has any GPIO reset sequences to issue, do them now. |
1596 | */ |
1597 | if (sc->sc_reset != NULL) |
1598 | (*sc->sc_reset)(sc); |
1599 | } |
1600 | |
1601 | /* |
1602 | * tlp_init: [ ifnet interface function ] |
1603 | * |
1604 | * Initialize the interface. Must be called at splnet(). |
1605 | */ |
1606 | static int |
1607 | tlp_init(struct ifnet *ifp) |
1608 | { |
1609 | struct tulip_softc *sc = ifp->if_softc; |
1610 | struct tulip_txsoft *txs; |
1611 | struct tulip_rxsoft *rxs; |
1612 | int i, error = 0; |
1613 | |
1614 | if ((error = tlp_enable(sc)) != 0) |
1615 | goto out; |
1616 | |
1617 | /* |
1618 | * Cancel any pending I/O. |
1619 | */ |
1620 | tlp_stop(ifp, 0); |
1621 | |
1622 | /* |
1623 | * Initialize `opmode' to 0, and call the pre-init routine, if |
1624 | * any. This is required because the 2114x and some of the |
1625 | * clones require that the media-related bits in `opmode' be |
1626 | * set before performing a soft-reset in order to get internal |
1627 | * chip pathways are correct. Yay! |
1628 | */ |
1629 | sc->sc_opmode = 0; |
1630 | if (sc->sc_preinit != NULL) |
1631 | (*sc->sc_preinit)(sc); |
1632 | |
1633 | /* |
1634 | * Reset the Tulip to a known state. |
1635 | */ |
1636 | tlp_reset(sc); |
1637 | |
1638 | /* |
1639 | * Initialize the BUSMODE register. |
1640 | */ |
1641 | sc->sc_busmode = BUSMODE_BAR; |
1642 | switch (sc->sc_chip) { |
1643 | case TULIP_CHIP_21140: |
1644 | case TULIP_CHIP_21140A: |
1645 | case TULIP_CHIP_21142: |
1646 | case TULIP_CHIP_21143: |
1647 | case TULIP_CHIP_82C115: |
1648 | case TULIP_CHIP_MX98725: |
1649 | /* |
1650 | * If we're allowed to do so, use Memory Read Line |
1651 | * and Memory Read Multiple. |
1652 | * |
1653 | * XXX Should we use Memory Write and Invalidate? |
1654 | */ |
1655 | if (sc->sc_flags & TULIPF_MRL) |
1656 | sc->sc_busmode |= BUSMODE_RLE; |
1657 | if (sc->sc_flags & TULIPF_MRM) |
1658 | sc->sc_busmode |= BUSMODE_RME; |
1659 | #if 0 |
1660 | if (sc->sc_flags & TULIPF_MWI) |
1661 | sc->sc_busmode |= BUSMODE_WLE; |
1662 | #endif |
1663 | break; |
1664 | |
1665 | case TULIP_CHIP_82C168: |
1666 | case TULIP_CHIP_82C169: |
1667 | sc->sc_busmode |= BUSMODE_PNIC_MBO; |
1668 | if (sc->sc_maxburst == 0) |
1669 | sc->sc_maxburst = 16; |
1670 | break; |
1671 | |
1672 | case TULIP_CHIP_AX88140: |
1673 | case TULIP_CHIP_AX88141: |
1674 | if (sc->sc_maxburst == 0) |
1675 | sc->sc_maxburst = 16; |
1676 | break; |
1677 | |
1678 | default: |
1679 | /* Nothing. */ |
1680 | break; |
1681 | } |
1682 | switch (sc->sc_cacheline) { |
1683 | default: |
1684 | /* |
1685 | * Note: We must *always* set these bits; a cache |
1686 | * alignment of 0 is RESERVED. |
1687 | */ |
1688 | case 8: |
1689 | sc->sc_busmode |= BUSMODE_CAL_8LW; |
1690 | break; |
1691 | case 16: |
1692 | sc->sc_busmode |= BUSMODE_CAL_16LW; |
1693 | break; |
1694 | case 32: |
1695 | sc->sc_busmode |= BUSMODE_CAL_32LW; |
1696 | break; |
1697 | } |
1698 | switch (sc->sc_maxburst) { |
1699 | case 1: |
1700 | sc->sc_busmode |= BUSMODE_PBL_1LW; |
1701 | break; |
1702 | case 2: |
1703 | sc->sc_busmode |= BUSMODE_PBL_2LW; |
1704 | break; |
1705 | case 4: |
1706 | sc->sc_busmode |= BUSMODE_PBL_4LW; |
1707 | break; |
1708 | case 8: |
1709 | sc->sc_busmode |= BUSMODE_PBL_8LW; |
1710 | break; |
1711 | case 16: |
1712 | sc->sc_busmode |= BUSMODE_PBL_16LW; |
1713 | break; |
1714 | case 32: |
1715 | sc->sc_busmode |= BUSMODE_PBL_32LW; |
1716 | break; |
1717 | default: |
1718 | sc->sc_busmode |= BUSMODE_PBL_DEFAULT; |
1719 | break; |
1720 | } |
1721 | #if BYTE_ORDER == BIG_ENDIAN |
1722 | /* |
1723 | * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips |
1724 | * support them, and even on ones that do, it doesn't |
1725 | * always work. So we always access descriptors with |
1726 | * little endian via htole32/le32toh. |
1727 | */ |
1728 | #endif |
1729 | /* |
1730 | * Big-endian bus requires BUSMODE_BLE anyway. |
1731 | * Also, BUSMODE_DBO is needed because we assume |
1732 | * descriptors are little endian. |
1733 | */ |
1734 | if (sc->sc_flags & TULIPF_BLE) |
1735 | sc->sc_busmode |= BUSMODE_BLE; |
1736 | if (sc->sc_flags & TULIPF_DBO) |
1737 | sc->sc_busmode |= BUSMODE_DBO; |
1738 | |
1739 | /* |
1740 | * Some chips have a broken bus interface. |
1741 | */ |
1742 | switch (sc->sc_chip) { |
1743 | case TULIP_CHIP_DM9102: |
1744 | case TULIP_CHIP_DM9102A: |
1745 | sc->sc_busmode = 0; |
1746 | break; |
1747 | |
1748 | default: |
1749 | /* Nothing. */ |
1750 | break; |
1751 | } |
1752 | |
1753 | TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); |
1754 | |
1755 | /* |
1756 | * Initialize the OPMODE register. We don't write it until |
1757 | * we're ready to begin the transmit and receive processes. |
1758 | * |
1759 | * Media-related OPMODE bits are set in the media callbacks |
1760 | * for each specific chip/board. |
1761 | */ |
1762 | sc->sc_opmode |= OPMODE_SR | OPMODE_ST | |
1763 | sc->sc_txth[sc->sc_txthresh].txth_opmode; |
1764 | |
1765 | /* |
1766 | * Magical mystery initialization on the Macronix chips. |
1767 | * The MX98713 uses its own magic value, the rest share |
1768 | * a common one. |
1769 | */ |
1770 | switch (sc->sc_chip) { |
1771 | case TULIP_CHIP_MX98713: |
1772 | TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); |
1773 | break; |
1774 | |
1775 | case TULIP_CHIP_MX98713A: |
1776 | case TULIP_CHIP_MX98715: |
1777 | case TULIP_CHIP_MX98715A: |
1778 | case TULIP_CHIP_MX98715AEC_X: |
1779 | case TULIP_CHIP_MX98725: |
1780 | TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); |
1781 | break; |
1782 | |
1783 | default: |
1784 | /* Nothing. */ |
1785 | break; |
1786 | } |
1787 | |
1788 | /* |
1789 | * Initialize the transmit descriptor ring. |
1790 | */ |
1791 | memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); |
1792 | for (i = 0; i < TULIP_NTXDESC; i++) { |
1793 | struct tulip_desc *txd = &sc->sc_txdescs[i]; |
1794 | txd->td_ctl = htole32(sc->sc_tdctl_ch); |
1795 | txd->td_bufaddr2 = htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); |
1796 | } |
1797 | sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); |
1798 | TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, |
1799 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
1800 | sc->sc_txfree = TULIP_NTXDESC; |
1801 | sc->sc_txnext = 0; |
1802 | |
1803 | /* |
1804 | * Initialize the transmit job descriptors. |
1805 | */ |
1806 | SIMPLEQ_INIT(&sc->sc_txfreeq); |
1807 | SIMPLEQ_INIT(&sc->sc_txdirtyq); |
1808 | for (i = 0; i < TULIP_TXQUEUELEN; i++) { |
1809 | txs = &sc->sc_txsoft[i]; |
1810 | txs->txs_mbuf = NULL; |
1811 | SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); |
1812 | } |
1813 | |
1814 | /* |
1815 | * Initialize the receive descriptor and receive job |
1816 | * descriptor rings. |
1817 | */ |
1818 | for (i = 0; i < TULIP_NRXDESC; i++) { |
1819 | rxs = &sc->sc_rxsoft[i]; |
1820 | if (rxs->rxs_mbuf == NULL) { |
1821 | if ((error = tlp_add_rxbuf(sc, i)) != 0) { |
1822 | aprint_error_dev(sc->sc_dev, |
1823 | "unable to allocate or map rx " |
1824 | "buffer %d, error = %d\n" , i, error); |
1825 | /* |
1826 | * XXX Should attempt to run with fewer receive |
1827 | * XXX buffers instead of just failing. |
1828 | */ |
1829 | tlp_rxdrain(sc); |
1830 | goto out; |
1831 | } |
1832 | } else |
1833 | TULIP_INIT_RXDESC(sc, i); |
1834 | } |
1835 | sc->sc_rxptr = 0; |
1836 | |
1837 | /* |
1838 | * Initialize the interrupt mask and enable interrupts. |
1839 | */ |
1840 | /* normal interrupts */ |
1841 | sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; |
1842 | |
1843 | /* abnormal interrupts */ |
1844 | sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | |
1845 | STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; |
1846 | |
1847 | sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; |
1848 | sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; |
1849 | |
1850 | switch (sc->sc_chip) { |
1851 | case TULIP_CHIP_WB89C840F: |
1852 | /* |
1853 | * Clear bits that we don't want that happen to |
1854 | * overlap or don't exist. |
1855 | */ |
1856 | sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); |
1857 | break; |
1858 | |
1859 | default: |
1860 | /* Nothing. */ |
1861 | break; |
1862 | } |
1863 | |
1864 | sc->sc_rxint_mask &= sc->sc_inten; |
1865 | sc->sc_txint_mask &= sc->sc_inten; |
1866 | |
1867 | TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); |
1868 | TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); |
1869 | |
1870 | /* |
1871 | * Give the transmit and receive rings to the Tulip. |
1872 | */ |
1873 | TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); |
1874 | TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); |
1875 | |
1876 | /* |
1877 | * On chips that do this differently, set the station address. |
1878 | */ |
1879 | switch (sc->sc_chip) { |
1880 | case TULIP_CHIP_WB89C840F: |
1881 | { |
1882 | /* XXX Do this with stream writes? */ |
1883 | bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); |
1884 | |
1885 | for (i = 0; i < ETHER_ADDR_LEN; i++) { |
1886 | bus_space_write_1(sc->sc_st, sc->sc_sh, |
1887 | cpa + i, CLLADDR(ifp->if_sadl)[i]); |
1888 | } |
1889 | break; |
1890 | } |
1891 | |
1892 | case TULIP_CHIP_AL981: |
1893 | case TULIP_CHIP_AN983: |
1894 | case TULIP_CHIP_AN985: |
1895 | { |
1896 | uint32_t reg; |
1897 | const uint8_t *enaddr = CLLADDR(ifp->if_sadl); |
1898 | |
1899 | reg = enaddr[0] | |
1900 | (enaddr[1] << 8) | |
1901 | (enaddr[2] << 16) | |
1902 | (enaddr[3] << 24); |
1903 | bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); |
1904 | |
1905 | reg = enaddr[4] | |
1906 | (enaddr[5] << 8); |
1907 | bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); |
1908 | break; |
1909 | } |
1910 | |
1911 | case TULIP_CHIP_AX88140: |
1912 | case TULIP_CHIP_AX88141: |
1913 | { |
1914 | uint32_t reg; |
1915 | const uint8_t *enaddr = CLLADDR(ifp->if_sadl); |
1916 | |
1917 | reg = enaddr[0] | |
1918 | (enaddr[1] << 8) | |
1919 | (enaddr[2] << 16) | |
1920 | (enaddr[3] << 24); |
1921 | TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR0); |
1922 | TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); |
1923 | |
1924 | reg = enaddr[4] | (enaddr[5] << 8); |
1925 | TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR1); |
1926 | TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); |
1927 | break; |
1928 | } |
1929 | |
1930 | default: |
1931 | /* Nothing. */ |
1932 | break; |
1933 | } |
1934 | |
1935 | /* |
1936 | * Set the receive filter. This will start the transmit and |
1937 | * receive processes. |
1938 | */ |
1939 | (*sc->sc_filter_setup)(sc); |
1940 | |
1941 | /* |
1942 | * Set the current media. |
1943 | */ |
1944 | (void) (*sc->sc_mediasw->tmsw_set)(sc); |
1945 | |
1946 | /* |
1947 | * Start the receive process. |
1948 | */ |
1949 | TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); |
1950 | |
1951 | if (sc->sc_tick != NULL) { |
1952 | /* Start the one second clock. */ |
1953 | callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc); |
1954 | } |
1955 | |
1956 | /* |
1957 | * Note that the interface is now running. |
1958 | */ |
1959 | ifp->if_flags |= IFF_RUNNING; |
1960 | ifp->if_flags &= ~IFF_OACTIVE; |
1961 | sc->sc_if_flags = ifp->if_flags; |
1962 | |
1963 | out: |
1964 | if (error) { |
1965 | ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); |
1966 | ifp->if_timer = 0; |
1967 | printf("%s: interface not running\n" , device_xname(sc->sc_dev)); |
1968 | } |
1969 | return (error); |
1970 | } |
1971 | |
1972 | /* |
1973 | * tlp_enable: |
1974 | * |
1975 | * Enable the Tulip chip. |
1976 | */ |
1977 | static int |
1978 | tlp_enable(struct tulip_softc *sc) |
1979 | { |
1980 | |
1981 | if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { |
1982 | if ((*sc->sc_enable)(sc) != 0) { |
1983 | aprint_error_dev(sc->sc_dev, "device enable failed\n" ); |
1984 | return (EIO); |
1985 | } |
1986 | sc->sc_flags |= TULIPF_ENABLED; |
1987 | } |
1988 | return (0); |
1989 | } |
1990 | |
1991 | /* |
1992 | * tlp_disable: |
1993 | * |
1994 | * Disable the Tulip chip. |
1995 | */ |
1996 | static void |
1997 | tlp_disable(struct tulip_softc *sc) |
1998 | { |
1999 | |
2000 | if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { |
2001 | (*sc->sc_disable)(sc); |
2002 | sc->sc_flags &= ~TULIPF_ENABLED; |
2003 | } |
2004 | } |
2005 | |
2006 | /* |
2007 | * tlp_rxdrain: |
2008 | * |
2009 | * Drain the receive queue. |
2010 | */ |
2011 | static void |
2012 | tlp_rxdrain(struct tulip_softc *sc) |
2013 | { |
2014 | struct tulip_rxsoft *rxs; |
2015 | int i; |
2016 | |
2017 | for (i = 0; i < TULIP_NRXDESC; i++) { |
2018 | rxs = &sc->sc_rxsoft[i]; |
2019 | if (rxs->rxs_mbuf != NULL) { |
2020 | bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); |
2021 | m_freem(rxs->rxs_mbuf); |
2022 | rxs->rxs_mbuf = NULL; |
2023 | } |
2024 | } |
2025 | } |
2026 | |
2027 | /* |
2028 | * tlp_stop: [ ifnet interface function ] |
2029 | * |
2030 | * Stop transmission on the interface. |
2031 | */ |
2032 | static void |
2033 | tlp_stop(struct ifnet *ifp, int disable) |
2034 | { |
2035 | struct tulip_softc *sc = ifp->if_softc; |
2036 | struct tulip_txsoft *txs; |
2037 | |
2038 | if (sc->sc_tick != NULL) { |
2039 | /* Stop the one second clock. */ |
2040 | callout_stop(&sc->sc_tick_callout); |
2041 | } |
2042 | |
2043 | if (sc->sc_flags & TULIPF_HAS_MII) { |
2044 | /* Down the MII. */ |
2045 | mii_down(&sc->sc_mii); |
2046 | } |
2047 | |
2048 | /* Disable interrupts. */ |
2049 | TULIP_WRITE(sc, CSR_INTEN, 0); |
2050 | |
2051 | /* Stop the transmit and receive processes. */ |
2052 | sc->sc_opmode = 0; |
2053 | TULIP_WRITE(sc, CSR_OPMODE, 0); |
2054 | TULIP_WRITE(sc, CSR_RXLIST, 0); |
2055 | TULIP_WRITE(sc, CSR_TXLIST, 0); |
2056 | |
2057 | /* |
2058 | * Release any queued transmit buffers. |
2059 | */ |
2060 | while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { |
2061 | SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); |
2062 | if (txs->txs_mbuf != NULL) { |
2063 | bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); |
2064 | m_freem(txs->txs_mbuf); |
2065 | txs->txs_mbuf = NULL; |
2066 | } |
2067 | SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); |
2068 | } |
2069 | |
2070 | sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); |
2071 | |
2072 | /* |
2073 | * Mark the interface down and cancel the watchdog timer. |
2074 | */ |
2075 | ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); |
2076 | sc->sc_if_flags = ifp->if_flags; |
2077 | ifp->if_timer = 0; |
2078 | |
2079 | /* |
2080 | * Reset the chip (needed on some flavors to actually disable it). |
2081 | */ |
2082 | tlp_reset(sc); |
2083 | |
2084 | if (disable) { |
2085 | tlp_rxdrain(sc); |
2086 | tlp_disable(sc); |
2087 | } |
2088 | } |
2089 | |
2090 | #define SROM_EMIT(sc, x) \ |
2091 | do { \ |
2092 | TULIP_WRITE((sc), CSR_MIIROM, (x)); \ |
2093 | delay(2); \ |
2094 | } while (0) |
2095 | |
2096 | /* |
2097 | * tlp_srom_idle: |
2098 | * |
2099 | * Put the SROM in idle state. |
2100 | */ |
2101 | static void |
2102 | tlp_srom_idle(struct tulip_softc *sc) |
2103 | { |
2104 | uint32_t miirom; |
2105 | int i; |
2106 | |
2107 | miirom = MIIROM_SR; |
2108 | SROM_EMIT(sc, miirom); |
2109 | |
2110 | miirom |= MIIROM_RD; |
2111 | SROM_EMIT(sc, miirom); |
2112 | |
2113 | miirom |= MIIROM_SROMCS; |
2114 | SROM_EMIT(sc, miirom); |
2115 | |
2116 | SROM_EMIT(sc, miirom|MIIROM_SROMSK); |
2117 | |
2118 | /* Strobe the clock 32 times. */ |
2119 | for (i = 0; i < 32; i++) { |
2120 | SROM_EMIT(sc, miirom); |
2121 | SROM_EMIT(sc, miirom|MIIROM_SROMSK); |
2122 | } |
2123 | |
2124 | SROM_EMIT(sc, miirom); |
2125 | |
2126 | miirom &= ~MIIROM_SROMCS; |
2127 | SROM_EMIT(sc, miirom); |
2128 | |
2129 | SROM_EMIT(sc, 0); |
2130 | } |
2131 | |
2132 | /* |
2133 | * tlp_srom_size: |
2134 | * |
2135 | * Determine the number of address bits in the SROM. |
2136 | */ |
2137 | static int |
2138 | tlp_srom_size(struct tulip_softc *sc) |
2139 | { |
2140 | uint32_t miirom; |
2141 | int x; |
2142 | |
2143 | /* Select the SROM. */ |
2144 | miirom = MIIROM_SR; |
2145 | SROM_EMIT(sc, miirom); |
2146 | |
2147 | miirom |= MIIROM_RD; |
2148 | SROM_EMIT(sc, miirom); |
2149 | |
2150 | /* Send CHIP SELECT for one clock tick. */ |
2151 | miirom |= MIIROM_SROMCS; |
2152 | SROM_EMIT(sc, miirom); |
2153 | |
2154 | /* Shift in the READ opcode. */ |
2155 | for (x = 3; x > 0; x--) { |
2156 | if (TULIP_SROM_OPC_READ & (1 << (x - 1))) |
2157 | miirom |= MIIROM_SROMDI; |
2158 | else |
2159 | miirom &= ~MIIROM_SROMDI; |
2160 | SROM_EMIT(sc, miirom); |
2161 | SROM_EMIT(sc, miirom|MIIROM_SROMSK); |
2162 | SROM_EMIT(sc, miirom); |
2163 | } |
2164 | |
2165 | /* Shift in address and look for dummy 0 bit. */ |
2166 | for (x = 1; x <= 12; x++) { |
2167 | miirom &= ~MIIROM_SROMDI; |
2168 | SROM_EMIT(sc, miirom); |
2169 | SROM_EMIT(sc, miirom|MIIROM_SROMSK); |
2170 | if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) |
2171 | break; |
2172 | SROM_EMIT(sc, miirom); |
2173 | } |
2174 | |
2175 | /* Clear CHIP SELECT. */ |
2176 | miirom &= ~MIIROM_SROMCS; |
2177 | SROM_EMIT(sc, miirom); |
2178 | |
2179 | /* Deselect the SROM. */ |
2180 | SROM_EMIT(sc, 0); |
2181 | |
2182 | if (x < 4 || x > 12) { |
2183 | aprint_debug_dev(sc->sc_dev, "broken MicroWire interface " |
2184 | "detected; setting SROM size to 1Kb\n" ); |
2185 | return (6); |
2186 | } else { |
2187 | if (tlp_srom_debug) |
2188 | printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n" , |
2189 | device_xname(sc->sc_dev), x, (1 << (x + 4)) >> 3); |
2190 | return (x); |
2191 | } |
2192 | } |
2193 | |
2194 | /* |
2195 | * tlp_read_srom: |
2196 | * |
2197 | * Read the Tulip SROM. |
2198 | */ |
2199 | int |
2200 | tlp_read_srom(struct tulip_softc *sc) |
2201 | { |
2202 | int size; |
2203 | uint32_t miirom; |
2204 | uint16_t datain; |
2205 | int i, x; |
2206 | |
2207 | tlp_srom_idle(sc); |
2208 | |
2209 | sc->sc_srom_addrbits = tlp_srom_size(sc); |
2210 | if (sc->sc_srom_addrbits == 0) |
2211 | return (0); |
2212 | size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); |
2213 | sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); |
2214 | |
2215 | /* Select the SROM. */ |
2216 | miirom = MIIROM_SR; |
2217 | SROM_EMIT(sc, miirom); |
2218 | |
2219 | miirom |= MIIROM_RD; |
2220 | SROM_EMIT(sc, miirom); |
2221 | |
2222 | for (i = 0; i < size; i += 2) { |
2223 | /* Send CHIP SELECT for one clock tick. */ |
2224 | miirom |= MIIROM_SROMCS; |
2225 | SROM_EMIT(sc, miirom); |
2226 | |
2227 | /* Shift in the READ opcode. */ |
2228 | for (x = 3; x > 0; x--) { |
2229 | if (TULIP_SROM_OPC_READ & (1 << (x - 1))) |
2230 | miirom |= MIIROM_SROMDI; |
2231 | else |
2232 | miirom &= ~MIIROM_SROMDI; |
2233 | SROM_EMIT(sc, miirom); |
2234 | SROM_EMIT(sc, miirom|MIIROM_SROMSK); |
2235 | SROM_EMIT(sc, miirom); |
2236 | } |
2237 | |
2238 | /* Shift in address. */ |
2239 | for (x = sc->sc_srom_addrbits; x > 0; x--) { |
2240 | if (i & (1 << x)) |
2241 | miirom |= MIIROM_SROMDI; |
2242 | else |
2243 | miirom &= ~MIIROM_SROMDI; |
2244 | SROM_EMIT(sc, miirom); |
2245 | SROM_EMIT(sc, miirom|MIIROM_SROMSK); |
2246 | SROM_EMIT(sc, miirom); |
2247 | } |
2248 | |
2249 | /* Shift out data. */ |
2250 | miirom &= ~MIIROM_SROMDI; |
2251 | datain = 0; |
2252 | for (x = 16; x > 0; x--) { |
2253 | SROM_EMIT(sc, miirom|MIIROM_SROMSK); |
2254 | if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) |
2255 | datain |= (1 << (x - 1)); |
2256 | SROM_EMIT(sc, miirom); |
2257 | } |
2258 | sc->sc_srom[i] = datain & 0xff; |
2259 | sc->sc_srom[i + 1] = datain >> 8; |
2260 | |
2261 | /* Clear CHIP SELECT. */ |
2262 | miirom &= ~MIIROM_SROMCS; |
2263 | SROM_EMIT(sc, miirom); |
2264 | } |
2265 | |
2266 | /* Deselect the SROM. */ |
2267 | SROM_EMIT(sc, 0); |
2268 | |
2269 | /* ...and idle it. */ |
2270 | tlp_srom_idle(sc); |
2271 | |
2272 | if (tlp_srom_debug) { |
2273 | printf("SROM CONTENTS:" ); |
2274 | for (i = 0; i < size; i++) { |
2275 | if ((i % 8) == 0) |
2276 | printf("\n\t" ); |
2277 | printf("0x%02x " , sc->sc_srom[i]); |
2278 | } |
2279 | printf("\n" ); |
2280 | } |
2281 | |
2282 | return (1); |
2283 | } |
2284 | |
2285 | #undef SROM_EMIT |
2286 | |
2287 | /* |
2288 | * tlp_add_rxbuf: |
2289 | * |
2290 | * Add a receive buffer to the indicated descriptor. |
2291 | */ |
2292 | static int |
2293 | tlp_add_rxbuf(struct tulip_softc *sc, int idx) |
2294 | { |
2295 | struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; |
2296 | struct mbuf *m; |
2297 | int error; |
2298 | |
2299 | MGETHDR(m, M_DONTWAIT, MT_DATA); |
2300 | if (m == NULL) |
2301 | return (ENOBUFS); |
2302 | |
2303 | MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); |
2304 | MCLGET(m, M_DONTWAIT); |
2305 | if ((m->m_flags & M_EXT) == 0) { |
2306 | m_freem(m); |
2307 | return (ENOBUFS); |
2308 | } |
2309 | |
2310 | if (rxs->rxs_mbuf != NULL) |
2311 | bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); |
2312 | |
2313 | rxs->rxs_mbuf = m; |
2314 | |
2315 | error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, |
2316 | m->m_ext.ext_buf, m->m_ext.ext_size, NULL, |
2317 | BUS_DMA_READ|BUS_DMA_NOWAIT); |
2318 | if (error) { |
2319 | aprint_error_dev(sc->sc_dev, |
2320 | "can't load rx DMA map %d, error = %d\n" , idx, error); |
2321 | panic("tlp_add_rxbuf" ); /* XXX */ |
2322 | } |
2323 | |
2324 | bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, |
2325 | rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); |
2326 | |
2327 | TULIP_INIT_RXDESC(sc, idx); |
2328 | |
2329 | return (0); |
2330 | } |
2331 | |
2332 | /* |
2333 | * tlp_srom_crcok: |
2334 | * |
2335 | * Check the CRC of the Tulip SROM. |
2336 | */ |
2337 | int |
2338 | tlp_srom_crcok(const uint8_t *romdata) |
2339 | { |
2340 | uint32_t crc; |
2341 | |
2342 | crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); |
2343 | crc = (crc & 0xffff) ^ 0xffff; |
2344 | if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) |
2345 | return (1); |
2346 | |
2347 | /* |
2348 | * Try an alternate checksum. |
2349 | */ |
2350 | crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); |
2351 | crc = (crc & 0xffff) ^ 0xffff; |
2352 | if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) |
2353 | return (1); |
2354 | |
2355 | return (0); |
2356 | } |
2357 | |
2358 | /* |
2359 | * tlp_isv_srom: |
2360 | * |
2361 | * Check to see if the SROM is in the new standardized format. |
2362 | */ |
2363 | int |
2364 | tlp_isv_srom(const uint8_t *romdata) |
2365 | { |
2366 | int i; |
2367 | uint16_t cksum; |
2368 | |
2369 | if (tlp_srom_crcok(romdata)) { |
2370 | /* |
2371 | * SROM CRC checks out; must be in the new format. |
2372 | */ |
2373 | return (1); |
2374 | } |
2375 | |
2376 | cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); |
2377 | if (cksum == 0xffff || cksum == 0) { |
2378 | /* |
2379 | * No checksum present. Check the SROM ID; 18 bytes of 0 |
2380 | * followed by 1 (version) followed by the number of |
2381 | * adapters which use this SROM (should be non-zero). |
2382 | */ |
2383 | for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { |
2384 | if (romdata[i] != 0) |
2385 | return (0); |
2386 | } |
2387 | if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) |
2388 | return (0); |
2389 | if (romdata[TULIP_ROM_CHIP_COUNT] == 0) |
2390 | return (0); |
2391 | return (1); |
2392 | } |
2393 | |
2394 | return (0); |
2395 | } |
2396 | |
2397 | /* |
2398 | * tlp_isv_srom_enaddr: |
2399 | * |
2400 | * Get the Ethernet address from an ISV SROM. |
2401 | */ |
2402 | int |
2403 | tlp_isv_srom_enaddr(struct tulip_softc *sc, uint8_t *enaddr) |
2404 | { |
2405 | int i, devcnt; |
2406 | |
2407 | if (tlp_isv_srom(sc->sc_srom) == 0) |
2408 | return (0); |
2409 | |
2410 | devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; |
2411 | for (i = 0; i < devcnt; i++) { |
2412 | if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) |
2413 | break; |
2414 | if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == |
2415 | sc->sc_devno) |
2416 | break; |
2417 | } |
2418 | |
2419 | if (i == devcnt) |
2420 | return (0); |
2421 | |
2422 | memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], |
2423 | ETHER_ADDR_LEN); |
2424 | enaddr[5] += i; |
2425 | |
2426 | return (1); |
2427 | } |
2428 | |
2429 | /* |
2430 | * tlp_parse_old_srom: |
2431 | * |
2432 | * Parse old-format SROMs. |
2433 | * |
2434 | * This routine is largely lifted from Matt Thomas's `de' driver. |
2435 | */ |
2436 | int |
2437 | tlp_parse_old_srom(struct tulip_softc *sc, uint8_t *enaddr) |
2438 | { |
2439 | static const uint8_t testpat[] = |
2440 | { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; |
2441 | int i; |
2442 | uint32_t cksum; |
2443 | |
2444 | if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { |
2445 | /* |
2446 | * Phobos G100 interfaces have the address at |
2447 | * offsets 0 and 20, but each pair of bytes is |
2448 | * swapped. |
2449 | */ |
2450 | if (sc->sc_srom_addrbits == 6 && |
2451 | sc->sc_srom[1] == 0x00 && |
2452 | sc->sc_srom[0] == 0x60 && |
2453 | sc->sc_srom[3] == 0xf5 && |
2454 | memcmp(&sc->sc_srom[0], &sc->sc_srom[20], 6) == 0) { |
2455 | for (i = 0; i < 6; i += 2) { |
2456 | enaddr[i] = sc->sc_srom[i + 1]; |
2457 | enaddr[i + 1] = sc->sc_srom[i]; |
2458 | } |
2459 | return (1); |
2460 | } |
2461 | |
2462 | /* |
2463 | * Phobos G130/G160 interfaces have the address at |
2464 | * offsets 20 and 84, but each pair of bytes is |
2465 | * swapped. |
2466 | */ |
2467 | if (sc->sc_srom_addrbits == 6 && |
2468 | sc->sc_srom[21] == 0x00 && |
2469 | sc->sc_srom[20] == 0x60 && |
2470 | sc->sc_srom[23] == 0xf5 && |
2471 | memcmp(&sc->sc_srom[20], &sc->sc_srom[84], 6) == 0) { |
2472 | for (i = 0; i < 6; i += 2) { |
2473 | enaddr[i] = sc->sc_srom[20 + i + 1]; |
2474 | enaddr[i + 1] = sc->sc_srom[20 + i]; |
2475 | } |
2476 | return (1); |
2477 | } |
2478 | |
2479 | /* |
2480 | * Cobalt Networks interfaces simply have the address |
2481 | * in the first six bytes. The rest is zeroed out |
2482 | * on some models, but others contain unknown data. |
2483 | */ |
2484 | if (sc->sc_srom[0] == 0x00 && |
2485 | sc->sc_srom[1] == 0x10 && |
2486 | sc->sc_srom[2] == 0xe0) { |
2487 | memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); |
2488 | return (1); |
2489 | } |
2490 | |
2491 | /* |
2492 | * Some vendors (e.g. ZNYX) don't use the standard |
2493 | * DEC Address ROM format, but rather just have an |
2494 | * Ethernet address in the first 6 bytes, maybe a |
2495 | * 2 byte checksum, and then all 0xff's. |
2496 | */ |
2497 | for (i = 8; i < 32; i++) { |
2498 | if (sc->sc_srom[i] != 0xff && |
2499 | sc->sc_srom[i] != 0) |
2500 | return (0); |
2501 | } |
2502 | |
2503 | /* |
2504 | * Sanity check the Ethernet address: |
2505 | * |
2506 | * - Make sure it's not multicast or locally |
2507 | * assigned |
2508 | * - Make sure it has a non-0 OUI |
2509 | */ |
2510 | if (sc->sc_srom[0] & 3) |
2511 | return (0); |
2512 | if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && |
2513 | sc->sc_srom[2] == 0) |
2514 | return (0); |
2515 | |
2516 | memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); |
2517 | return (1); |
2518 | } |
2519 | |
2520 | /* |
2521 | * Standard DEC Address ROM test. |
2522 | */ |
2523 | |
2524 | if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) |
2525 | return (0); |
2526 | |
2527 | for (i = 0; i < 8; i++) { |
2528 | if (sc->sc_srom[i] != sc->sc_srom[15 - i]) |
2529 | return (0); |
2530 | } |
2531 | |
2532 | memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); |
2533 | |
2534 | cksum = *(uint16_t *) &enaddr[0]; |
2535 | |
2536 | cksum <<= 1; |
2537 | if (cksum > 0xffff) |
2538 | cksum -= 0xffff; |
2539 | |
2540 | cksum += *(uint16_t *) &enaddr[2]; |
2541 | if (cksum > 0xffff) |
2542 | cksum -= 0xffff; |
2543 | |
2544 | cksum <<= 1; |
2545 | if (cksum > 0xffff) |
2546 | cksum -= 0xffff; |
2547 | |
2548 | cksum += *(uint16_t *) &enaddr[4]; |
2549 | if (cksum >= 0xffff) |
2550 | cksum -= 0xffff; |
2551 | |
2552 | if (cksum != *(uint16_t *) &sc->sc_srom[6]) |
2553 | return (0); |
2554 | |
2555 | return (1); |
2556 | } |
2557 | |
2558 | /* |
2559 | * tlp_filter_setup: |
2560 | * |
2561 | * Set the Tulip's receive filter. |
2562 | */ |
2563 | static void |
2564 | tlp_filter_setup(struct tulip_softc *sc) |
2565 | { |
2566 | struct ethercom *ec = &sc->sc_ethercom; |
2567 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
2568 | struct ether_multi *enm; |
2569 | struct ether_multistep step; |
2570 | volatile uint32_t *sp; |
2571 | struct tulip_txsoft *txs; |
2572 | struct tulip_desc *txd; |
2573 | uint8_t enaddr[ETHER_ADDR_LEN]; |
2574 | uint32_t hash, hashsize; |
2575 | int cnt, nexttx; |
2576 | |
2577 | DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n" , |
2578 | device_xname(sc->sc_dev), sc->sc_flags)); |
2579 | |
2580 | memcpy(enaddr, CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN); |
2581 | |
2582 | /* |
2583 | * If there are transmissions pending, wait until they have |
2584 | * completed. |
2585 | */ |
2586 | if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || |
2587 | (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { |
2588 | sc->sc_flags |= TULIPF_WANT_SETUP; |
2589 | DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n" , |
2590 | device_xname(sc->sc_dev))); |
2591 | return; |
2592 | } |
2593 | sc->sc_flags &= ~TULIPF_WANT_SETUP; |
2594 | |
2595 | switch (sc->sc_chip) { |
2596 | case TULIP_CHIP_82C115: |
2597 | hashsize = TULIP_PNICII_HASHSIZE; |
2598 | break; |
2599 | |
2600 | default: |
2601 | hashsize = TULIP_MCHASHSIZE; |
2602 | } |
2603 | |
2604 | /* |
2605 | * If we're running, idle the transmit and receive engines. If |
2606 | * we're NOT running, we're being called from tlp_init(), and our |
2607 | * writing OPMODE will start the transmit and receive processes |
2608 | * in motion. |
2609 | */ |
2610 | if (ifp->if_flags & IFF_RUNNING) |
2611 | tlp_idle(sc, OPMODE_ST|OPMODE_SR); |
2612 | |
2613 | sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); |
2614 | |
2615 | if (ifp->if_flags & IFF_PROMISC) { |
2616 | sc->sc_opmode |= OPMODE_PR; |
2617 | goto allmulti; |
2618 | } |
2619 | |
2620 | /* |
2621 | * Try Perfect filtering first. |
2622 | */ |
2623 | |
2624 | sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; |
2625 | sp = TULIP_CDSP(sc); |
2626 | memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); |
2627 | cnt = 0; |
2628 | ETHER_FIRST_MULTI(step, ec, enm); |
2629 | while (enm != NULL) { |
2630 | if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { |
2631 | /* |
2632 | * We must listen to a range of multicast addresses. |
2633 | * For now, just accept all multicasts, rather than |
2634 | * trying to set only those filter bits needed to match |
2635 | * the range. (At this time, the only use of address |
2636 | * ranges is for IP multicast routing, for which the |
2637 | * range is big enough to require all bits set.) |
2638 | */ |
2639 | goto allmulti; |
2640 | } |
2641 | if (cnt == (TULIP_MAXADDRS - 2)) { |
2642 | /* |
2643 | * We already have our multicast limit (still need |
2644 | * our station address and broadcast). Go to |
2645 | * Hash-Perfect mode. |
2646 | */ |
2647 | goto hashperfect; |
2648 | } |
2649 | cnt++; |
2650 | *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 0)); |
2651 | *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 1)); |
2652 | *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 2)); |
2653 | ETHER_NEXT_MULTI(step, enm); |
2654 | } |
2655 | |
2656 | if (ifp->if_flags & IFF_BROADCAST) { |
2657 | /* ...and the broadcast address. */ |
2658 | cnt++; |
2659 | *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); |
2660 | *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); |
2661 | *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); |
2662 | } |
2663 | |
2664 | /* Pad the rest with our station address. */ |
2665 | for (; cnt < TULIP_MAXADDRS; cnt++) { |
2666 | *sp++ = htole32(TULIP_SP_FIELD(enaddr, 0)); |
2667 | *sp++ = htole32(TULIP_SP_FIELD(enaddr, 1)); |
2668 | *sp++ = htole32(TULIP_SP_FIELD(enaddr, 2)); |
2669 | } |
2670 | ifp->if_flags &= ~IFF_ALLMULTI; |
2671 | goto setit; |
2672 | |
2673 | hashperfect: |
2674 | /* |
2675 | * Try Hash-Perfect mode. |
2676 | */ |
2677 | |
2678 | /* |
2679 | * Some 21140 chips have broken Hash-Perfect modes. On these |
2680 | * chips, we simply use Hash-Only mode, and put our station |
2681 | * address into the filter. |
2682 | */ |
2683 | if (sc->sc_chip == TULIP_CHIP_21140) |
2684 | sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; |
2685 | else |
2686 | sc->sc_filtmode = TDCTL_Tx_FT_HASH; |
2687 | sp = TULIP_CDSP(sc); |
2688 | memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); |
2689 | ETHER_FIRST_MULTI(step, ec, enm); |
2690 | while (enm != NULL) { |
2691 | if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { |
2692 | /* |
2693 | * We must listen to a range of multicast addresses. |
2694 | * For now, just accept all multicasts, rather than |
2695 | * trying to set only those filter bits needed to match |
2696 | * the range. (At this time, the only use of address |
2697 | * ranges is for IP multicast routing, for which the |
2698 | * range is big enough to require all bits set.) |
2699 | */ |
2700 | goto allmulti; |
2701 | } |
2702 | hash = tlp_mchash(enm->enm_addrlo, hashsize); |
2703 | sp[hash >> 4] |= htole32(1 << (hash & 0xf)); |
2704 | ETHER_NEXT_MULTI(step, enm); |
2705 | } |
2706 | |
2707 | if (ifp->if_flags & IFF_BROADCAST) { |
2708 | /* ...and the broadcast address. */ |
2709 | hash = tlp_mchash(etherbroadcastaddr, hashsize); |
2710 | sp[hash >> 4] |= htole32(1 << (hash & 0xf)); |
2711 | } |
2712 | |
2713 | if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { |
2714 | /* ...and our station address. */ |
2715 | hash = tlp_mchash(enaddr, hashsize); |
2716 | sp[hash >> 4] |= htole32(1 << (hash & 0xf)); |
2717 | } else { |
2718 | /* |
2719 | * Hash-Perfect mode; put our station address after |
2720 | * the hash table. |
2721 | */ |
2722 | sp[39] = htole32(TULIP_SP_FIELD(enaddr, 0)); |
2723 | sp[40] = htole32(TULIP_SP_FIELD(enaddr, 1)); |
2724 | sp[41] = htole32(TULIP_SP_FIELD(enaddr, 2)); |
2725 | } |
2726 | ifp->if_flags &= ~IFF_ALLMULTI; |
2727 | goto setit; |
2728 | |
2729 | allmulti: |
2730 | /* |
2731 | * Use Perfect filter mode. First address is the broadcast address, |
2732 | * and pad the rest with our station address. We'll set Pass-all- |
2733 | * multicast in OPMODE below. |
2734 | */ |
2735 | sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; |
2736 | sp = TULIP_CDSP(sc); |
2737 | memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); |
2738 | cnt = 0; |
2739 | if (ifp->if_flags & IFF_BROADCAST) { |
2740 | cnt++; |
2741 | *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); |
2742 | *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); |
2743 | *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); |
2744 | } |
2745 | for (; cnt < TULIP_MAXADDRS; cnt++) { |
2746 | *sp++ = htole32(TULIP_SP_FIELD(enaddr, 0)); |
2747 | *sp++ = htole32(TULIP_SP_FIELD(enaddr, 1)); |
2748 | *sp++ = htole32(TULIP_SP_FIELD(enaddr, 2)); |
2749 | } |
2750 | ifp->if_flags |= IFF_ALLMULTI; |
2751 | |
2752 | setit: |
2753 | if (ifp->if_flags & IFF_ALLMULTI) |
2754 | sc->sc_opmode |= OPMODE_PM; |
2755 | |
2756 | /* Sync the setup packet buffer. */ |
2757 | TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); |
2758 | |
2759 | /* |
2760 | * Fill in the setup packet descriptor. |
2761 | */ |
2762 | txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); |
2763 | |
2764 | txs->txs_firstdesc = sc->sc_txnext; |
2765 | txs->txs_lastdesc = sc->sc_txnext; |
2766 | txs->txs_ndescs = 1; |
2767 | txs->txs_mbuf = NULL; |
2768 | |
2769 | nexttx = sc->sc_txnext; |
2770 | txd = &sc->sc_txdescs[nexttx]; |
2771 | txd->td_status = 0; |
2772 | txd->td_bufaddr1 = htole32(TULIP_CDSPADDR(sc)); |
2773 | txd->td_ctl = htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | |
2774 | sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | |
2775 | TDCTL_Tx_IC | sc->sc_tdctl_ch | |
2776 | (nexttx == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); |
2777 | TULIP_CDTXSYNC(sc, nexttx, 1, |
2778 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
2779 | |
2780 | #ifdef TLP_DEBUG |
2781 | if (ifp->if_flags & IFF_DEBUG) { |
2782 | printf(" filter_setup %p transmit chain:\n" , txs); |
2783 | printf(" descriptor %d:\n" , nexttx); |
2784 | printf(" td_status: 0x%08x\n" , le32toh(txd->td_status)); |
2785 | printf(" td_ctl: 0x%08x\n" , le32toh(txd->td_ctl)); |
2786 | printf(" td_bufaddr1: 0x%08x\n" , |
2787 | le32toh(txd->td_bufaddr1)); |
2788 | printf(" td_bufaddr2: 0x%08x\n" , |
2789 | le32toh(txd->td_bufaddr2)); |
2790 | } |
2791 | #endif |
2792 | |
2793 | txd->td_status = htole32(TDSTAT_OWN); |
2794 | TULIP_CDTXSYNC(sc, nexttx, 1, |
2795 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
2796 | |
2797 | /* Advance the tx pointer. */ |
2798 | sc->sc_txfree -= 1; |
2799 | sc->sc_txnext = TULIP_NEXTTX(nexttx); |
2800 | |
2801 | SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); |
2802 | SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); |
2803 | |
2804 | /* |
2805 | * Set the OPMODE register. This will also resume the |
2806 | * transmit process we idled above. |
2807 | */ |
2808 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
2809 | |
2810 | sc->sc_flags |= TULIPF_DOING_SETUP; |
2811 | |
2812 | /* |
2813 | * Kick the transmitter; this will cause the Tulip to |
2814 | * read the setup descriptor. |
2815 | */ |
2816 | /* XXX USE AUTOPOLLING? */ |
2817 | TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); |
2818 | |
2819 | /* Set up a watchdog timer in case the chip flakes out. */ |
2820 | ifp->if_timer = 5; |
2821 | |
2822 | DPRINTF(sc, ("%s: tlp_filter_setup: returning\n" , |
2823 | device_xname(sc->sc_dev))); |
2824 | } |
2825 | |
2826 | /* |
2827 | * tlp_winb_filter_setup: |
2828 | * |
2829 | * Set the Winbond 89C840F's receive filter. |
2830 | */ |
2831 | static void |
2832 | tlp_winb_filter_setup(struct tulip_softc *sc) |
2833 | { |
2834 | struct ethercom *ec = &sc->sc_ethercom; |
2835 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
2836 | struct ether_multi *enm; |
2837 | struct ether_multistep step; |
2838 | uint32_t hash, mchash[2]; |
2839 | |
2840 | DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n" , |
2841 | device_xname(sc->sc_dev), sc->sc_flags)); |
2842 | |
2843 | sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); |
2844 | |
2845 | if (ifp->if_flags & IFF_MULTICAST) |
2846 | sc->sc_opmode |= OPMODE_WINB_AMP; |
2847 | |
2848 | if (ifp->if_flags & IFF_BROADCAST) |
2849 | sc->sc_opmode |= OPMODE_WINB_ABP; |
2850 | |
2851 | if (ifp->if_flags & IFF_PROMISC) { |
2852 | sc->sc_opmode |= OPMODE_WINB_APP; |
2853 | goto allmulti; |
2854 | } |
2855 | |
2856 | mchash[0] = mchash[1] = 0; |
2857 | |
2858 | ETHER_FIRST_MULTI(step, ec, enm); |
2859 | while (enm != NULL) { |
2860 | if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { |
2861 | /* |
2862 | * We must listen to a range of multicast addresses. |
2863 | * For now, just accept all multicasts, rather than |
2864 | * trying to set only those filter bits needed to match |
2865 | * the range. (At this time, the only use of address |
2866 | * ranges is for IP multicast routing, for which the |
2867 | * range is big enough to require all bits set.) |
2868 | */ |
2869 | goto allmulti; |
2870 | } |
2871 | |
2872 | /* |
2873 | * According to the FreeBSD `wb' driver, yes, you |
2874 | * really do invert the hash. |
2875 | */ |
2876 | hash = |
2877 | (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) |
2878 | & 0x3f; |
2879 | mchash[hash >> 5] |= 1 << (hash & 0x1f); |
2880 | ETHER_NEXT_MULTI(step, enm); |
2881 | } |
2882 | ifp->if_flags &= ~IFF_ALLMULTI; |
2883 | goto setit; |
2884 | |
2885 | allmulti: |
2886 | ifp->if_flags |= IFF_ALLMULTI; |
2887 | mchash[0] = mchash[1] = 0xffffffff; |
2888 | |
2889 | setit: |
2890 | TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); |
2891 | TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); |
2892 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
2893 | DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n" , |
2894 | device_xname(sc->sc_dev))); |
2895 | } |
2896 | |
2897 | /* |
2898 | * tlp_al981_filter_setup: |
2899 | * |
2900 | * Set the ADMtek AL981's receive filter. |
2901 | */ |
2902 | static void |
2903 | tlp_al981_filter_setup(struct tulip_softc *sc) |
2904 | { |
2905 | struct ethercom *ec = &sc->sc_ethercom; |
2906 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
2907 | struct ether_multi *enm; |
2908 | struct ether_multistep step; |
2909 | uint32_t hash, mchash[2]; |
2910 | |
2911 | /* |
2912 | * If the chip is running, we need to reset the interface, |
2913 | * and will revisit here (with IFF_RUNNING) clear. The |
2914 | * chip seems to really not like to have its multicast |
2915 | * filter programmed without a reset. |
2916 | */ |
2917 | if (ifp->if_flags & IFF_RUNNING) { |
2918 | (void) tlp_init(ifp); |
2919 | return; |
2920 | } |
2921 | |
2922 | DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n" , |
2923 | device_xname(sc->sc_dev), sc->sc_flags)); |
2924 | |
2925 | sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); |
2926 | |
2927 | if (ifp->if_flags & IFF_PROMISC) { |
2928 | sc->sc_opmode |= OPMODE_PR; |
2929 | goto allmulti; |
2930 | } |
2931 | |
2932 | mchash[0] = mchash[1] = 0; |
2933 | |
2934 | ETHER_FIRST_MULTI(step, ec, enm); |
2935 | while (enm != NULL) { |
2936 | if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { |
2937 | /* |
2938 | * We must listen to a range of multicast addresses. |
2939 | * For now, just accept all multicasts, rather than |
2940 | * trying to set only those filter bits needed to match |
2941 | * the range. (At this time, the only use of address |
2942 | * ranges is for IP multicast routing, for which the |
2943 | * range is big enough to require all bits set.) |
2944 | */ |
2945 | goto allmulti; |
2946 | } |
2947 | |
2948 | hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; |
2949 | mchash[hash >> 5] |= 1 << (hash & 0x1f); |
2950 | ETHER_NEXT_MULTI(step, enm); |
2951 | } |
2952 | ifp->if_flags &= ~IFF_ALLMULTI; |
2953 | goto setit; |
2954 | |
2955 | allmulti: |
2956 | ifp->if_flags |= IFF_ALLMULTI; |
2957 | mchash[0] = mchash[1] = 0xffffffff; |
2958 | |
2959 | setit: |
2960 | bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); |
2961 | bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); |
2962 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
2963 | DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n" , |
2964 | device_xname(sc->sc_dev))); |
2965 | } |
2966 | |
2967 | /* |
2968 | * tlp_asix_filter_setup: |
2969 | * |
2970 | * Set the ASIX AX8814x recieve filter. |
2971 | */ |
2972 | static void |
2973 | tlp_asix_filter_setup(struct tulip_softc *sc) |
2974 | { |
2975 | struct ethercom *ec = &sc->sc_ethercom; |
2976 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
2977 | struct ether_multi *enm; |
2978 | struct ether_multistep step; |
2979 | uint32_t hash, mchash[2]; |
2980 | |
2981 | DPRINTF(sc, ("%s: tlp_asix_filter_setup: sc_flags 0x%08x\n" , |
2982 | device_xname(sc->sc_dev), sc->sc_flags)); |
2983 | |
2984 | sc->sc_opmode &= ~(OPMODE_PM|OPMODE_AX_RB|OPMODE_PR); |
2985 | |
2986 | if (ifp->if_flags & IFF_MULTICAST) |
2987 | sc->sc_opmode |= OPMODE_PM; |
2988 | |
2989 | if (ifp->if_flags & IFF_BROADCAST) |
2990 | sc->sc_opmode |= OPMODE_AX_RB; |
2991 | |
2992 | if (ifp->if_flags & IFF_PROMISC) { |
2993 | sc->sc_opmode |= OPMODE_PR; |
2994 | goto allmulti; |
2995 | } |
2996 | |
2997 | mchash[0] = mchash[1] = 0; |
2998 | |
2999 | ETHER_FIRST_MULTI(step, ec, enm); |
3000 | while (enm != NULL) { |
3001 | if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { |
3002 | /* |
3003 | * We must listen to a range of multicast addresses. |
3004 | * For now, just accept all multicasts, rather than |
3005 | * trying to set only those filter bits needed to match |
3006 | * the range. (At this time, the only use of address |
3007 | * ranges is for IP multicast routing, for which the |
3008 | * range is big enough to require all bits set.) |
3009 | */ |
3010 | goto allmulti; |
3011 | } |
3012 | hash = (ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) |
3013 | & 0x3f; |
3014 | if (hash < 32) |
3015 | mchash[0] |= (1 << hash); |
3016 | else |
3017 | mchash[1] |= (1 << (hash - 32)); |
3018 | ETHER_NEXT_MULTI(step, enm); |
3019 | } |
3020 | ifp->if_flags &= ~IFF_ALLMULTI; |
3021 | goto setit; |
3022 | |
3023 | allmulti: |
3024 | ifp->if_flags |= IFF_ALLMULTI; |
3025 | mchash[0] = mchash[1] = 0xffffffff; |
3026 | |
3027 | setit: |
3028 | TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR0); |
3029 | TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[0]); |
3030 | TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR1); |
3031 | TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[1]); |
3032 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
3033 | DPRINTF(sc, ("%s: tlp_asix_filter_setup: returning\n" , |
3034 | device_xname(sc->sc_dev))); |
3035 | } |
3036 | |
3037 | |
3038 | /* |
3039 | * tlp_idle: |
3040 | * |
3041 | * Cause the transmit and/or receive processes to go idle. |
3042 | */ |
3043 | void |
3044 | tlp_idle(struct tulip_softc *sc, uint32_t bits) |
3045 | { |
3046 | static const char * const tlp_tx_state_names[] = { |
3047 | "STOPPED" , |
3048 | "RUNNING - FETCH" , |
3049 | "RUNNING - WAIT" , |
3050 | "RUNNING - READING" , |
3051 | "-- RESERVED --" , |
3052 | "RUNNING - SETUP" , |
3053 | "SUSPENDED" , |
3054 | "RUNNING - CLOSE" , |
3055 | }; |
3056 | static const char * const tlp_rx_state_names[] = { |
3057 | "STOPPED" , |
3058 | "RUNNING - FETCH" , |
3059 | "RUNNING - CHECK" , |
3060 | "RUNNING - WAIT" , |
3061 | "SUSPENDED" , |
3062 | "RUNNING - CLOSE" , |
3063 | "RUNNING - FLUSH" , |
3064 | "RUNNING - QUEUE" , |
3065 | }; |
3066 | static const char * const dm9102_tx_state_names[] = { |
3067 | "STOPPED" , |
3068 | "RUNNING - FETCH" , |
3069 | "RUNNING - SETUP" , |
3070 | "RUNNING - READING" , |
3071 | "RUNNING - CLOSE - CLEAR OWNER" , |
3072 | "RUNNING - WAIT" , |
3073 | "RUNNING - CLOSE - WRITE STATUS" , |
3074 | "SUSPENDED" , |
3075 | }; |
3076 | static const char * const dm9102_rx_state_names[] = { |
3077 | "STOPPED" , |
3078 | "RUNNING - FETCH" , |
3079 | "RUNNING - WAIT" , |
3080 | "RUNNING - QUEUE" , |
3081 | "RUNNING - CLOSE - CLEAR OWNER" , |
3082 | "RUNNING - CLOSE - WRITE STATUS" , |
3083 | "SUSPENDED" , |
3084 | "RUNNING - FLUSH" , |
3085 | }; |
3086 | |
3087 | const char * const *tx_state_names, * const *rx_state_names; |
3088 | uint32_t csr, ackmask = 0; |
3089 | int i; |
3090 | |
3091 | switch (sc->sc_chip) { |
3092 | case TULIP_CHIP_DM9102: |
3093 | case TULIP_CHIP_DM9102A: |
3094 | tx_state_names = dm9102_tx_state_names; |
3095 | rx_state_names = dm9102_rx_state_names; |
3096 | break; |
3097 | |
3098 | default: |
3099 | tx_state_names = tlp_tx_state_names; |
3100 | rx_state_names = tlp_rx_state_names; |
3101 | break; |
3102 | } |
3103 | |
3104 | if (bits & OPMODE_ST) |
3105 | ackmask |= STATUS_TPS; |
3106 | |
3107 | if (bits & OPMODE_SR) |
3108 | ackmask |= STATUS_RPS; |
3109 | |
3110 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); |
3111 | |
3112 | for (i = 0; i < 1000; i++) { |
3113 | if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) |
3114 | break; |
3115 | delay(10); |
3116 | } |
3117 | |
3118 | csr = TULIP_READ(sc, CSR_STATUS); |
3119 | if ((csr & ackmask) != ackmask) { |
3120 | if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && |
3121 | (csr & STATUS_TS) != STATUS_TS_STOPPED) { |
3122 | switch (sc->sc_chip) { |
3123 | case TULIP_CHIP_AX88140: |
3124 | case TULIP_CHIP_AX88141: |
3125 | /* |
3126 | * Filter the message out on noisy chips. |
3127 | */ |
3128 | break; |
3129 | default: |
3130 | printf("%s: transmit process failed to idle: " |
3131 | "state %s\n" , device_xname(sc->sc_dev), |
3132 | tx_state_names[(csr & STATUS_TS) >> 20]); |
3133 | } |
3134 | } |
3135 | if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && |
3136 | (csr & STATUS_RS) != STATUS_RS_STOPPED) { |
3137 | switch (sc->sc_chip) { |
3138 | case TULIP_CHIP_AN983: |
3139 | case TULIP_CHIP_AN985: |
3140 | case TULIP_CHIP_DM9102A: |
3141 | case TULIP_CHIP_RS7112: |
3142 | /* |
3143 | * Filter the message out on noisy chips. |
3144 | */ |
3145 | break; |
3146 | default: |
3147 | printf("%s: receive process failed to idle: " |
3148 | "state %s\n" , device_xname(sc->sc_dev), |
3149 | rx_state_names[(csr & STATUS_RS) >> 17]); |
3150 | } |
3151 | } |
3152 | } |
3153 | TULIP_WRITE(sc, CSR_STATUS, ackmask); |
3154 | } |
3155 | |
3156 | /***************************************************************************** |
3157 | * Generic media support functions. |
3158 | *****************************************************************************/ |
3159 | |
3160 | /* |
3161 | * tlp_mediastatus: [ifmedia interface function] |
3162 | * |
3163 | * Query the current media. |
3164 | */ |
3165 | void |
3166 | tlp_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) |
3167 | { |
3168 | struct tulip_softc *sc = ifp->if_softc; |
3169 | |
3170 | if (TULIP_IS_ENABLED(sc) == 0) { |
3171 | ifmr->ifm_active = IFM_ETHER | IFM_NONE; |
3172 | ifmr->ifm_status = 0; |
3173 | return; |
3174 | } |
3175 | |
3176 | (*sc->sc_mediasw->tmsw_get)(sc, ifmr); |
3177 | } |
3178 | |
3179 | /* |
3180 | * tlp_mediachange: [ifmedia interface function] |
3181 | * |
3182 | * Update the current media. |
3183 | */ |
3184 | int |
3185 | tlp_mediachange(struct ifnet *ifp) |
3186 | { |
3187 | struct tulip_softc *sc = ifp->if_softc; |
3188 | |
3189 | if ((ifp->if_flags & IFF_UP) == 0) |
3190 | return (0); |
3191 | return ((*sc->sc_mediasw->tmsw_set)(sc)); |
3192 | } |
3193 | |
3194 | /***************************************************************************** |
3195 | * Support functions for MII-attached media. |
3196 | *****************************************************************************/ |
3197 | |
3198 | /* |
3199 | * tlp_mii_tick: |
3200 | * |
3201 | * One second timer, used to tick the MII. |
3202 | */ |
3203 | static void |
3204 | tlp_mii_tick(void *arg) |
3205 | { |
3206 | struct tulip_softc *sc = arg; |
3207 | int s; |
3208 | |
3209 | if (!device_is_active(sc->sc_dev)) |
3210 | return; |
3211 | |
3212 | s = splnet(); |
3213 | mii_tick(&sc->sc_mii); |
3214 | splx(s); |
3215 | |
3216 | callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); |
3217 | } |
3218 | |
3219 | /* |
3220 | * tlp_mii_statchg: [mii interface function] |
3221 | * |
3222 | * Callback from PHY when media changes. |
3223 | */ |
3224 | static void |
3225 | tlp_mii_statchg(struct ifnet *ifp) |
3226 | { |
3227 | struct tulip_softc *sc = ifp->if_softc; |
3228 | |
3229 | /* Idle the transmit and receive processes. */ |
3230 | tlp_idle(sc, OPMODE_ST|OPMODE_SR); |
3231 | |
3232 | sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); |
3233 | |
3234 | if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) |
3235 | sc->sc_opmode |= OPMODE_TTM; |
3236 | else |
3237 | sc->sc_opmode |= OPMODE_HBD; |
3238 | |
3239 | if (sc->sc_mii.mii_media_active & IFM_FDX) |
3240 | sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; |
3241 | |
3242 | /* |
3243 | * Write new OPMODE bits. This also restarts the transmit |
3244 | * and receive processes. |
3245 | */ |
3246 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
3247 | } |
3248 | |
3249 | /* |
3250 | * tlp_winb_mii_statchg: [mii interface function] |
3251 | * |
3252 | * Callback from PHY when media changes. This version is |
3253 | * for the Winbond 89C840F, which has different OPMODE bits. |
3254 | */ |
3255 | static void |
3256 | tlp_winb_mii_statchg(struct ifnet *ifp) |
3257 | { |
3258 | struct tulip_softc *sc = ifp->if_softc; |
3259 | |
3260 | /* Idle the transmit and receive processes. */ |
3261 | tlp_idle(sc, OPMODE_ST|OPMODE_SR); |
3262 | |
3263 | sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); |
3264 | |
3265 | if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) |
3266 | sc->sc_opmode |= OPMODE_WINB_FES; |
3267 | |
3268 | if (sc->sc_mii.mii_media_active & IFM_FDX) |
3269 | sc->sc_opmode |= OPMODE_FD; |
3270 | |
3271 | /* |
3272 | * Write new OPMODE bits. This also restarts the transmit |
3273 | * and receive processes. |
3274 | */ |
3275 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
3276 | } |
3277 | |
3278 | /* |
3279 | * tlp_dm9102_mii_statchg: [mii interface function] |
3280 | * |
3281 | * Callback from PHY when media changes. This version is |
3282 | * for the DM9102. |
3283 | */ |
3284 | static void |
3285 | tlp_dm9102_mii_statchg(struct ifnet *ifp) |
3286 | { |
3287 | struct tulip_softc *sc = ifp->if_softc; |
3288 | |
3289 | /* |
3290 | * Don't idle the transmit and receive processes, here. It |
3291 | * seems to fail, and just causes excess noise. |
3292 | */ |
3293 | sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); |
3294 | |
3295 | if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) |
3296 | sc->sc_opmode |= OPMODE_TTM; |
3297 | |
3298 | if (sc->sc_mii.mii_media_active & IFM_FDX) |
3299 | sc->sc_opmode |= OPMODE_FD; |
3300 | |
3301 | /* |
3302 | * Write new OPMODE bits. |
3303 | */ |
3304 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
3305 | } |
3306 | |
3307 | /* |
3308 | * tlp_mii_getmedia: |
3309 | * |
3310 | * Callback from ifmedia to request current media status. |
3311 | */ |
3312 | static void |
3313 | tlp_mii_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) |
3314 | { |
3315 | |
3316 | mii_pollstat(&sc->sc_mii); |
3317 | ifmr->ifm_status = sc->sc_mii.mii_media_status; |
3318 | ifmr->ifm_active = sc->sc_mii.mii_media_active; |
3319 | } |
3320 | |
3321 | /* |
3322 | * tlp_mii_setmedia: |
3323 | * |
3324 | * Callback from ifmedia to request new media setting. |
3325 | */ |
3326 | static int |
3327 | tlp_mii_setmedia(struct tulip_softc *sc) |
3328 | { |
3329 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
3330 | int rc; |
3331 | |
3332 | if ((ifp->if_flags & IFF_UP) == 0) |
3333 | return 0; |
3334 | switch (sc->sc_chip) { |
3335 | case TULIP_CHIP_21142: |
3336 | case TULIP_CHIP_21143: |
3337 | /* Disable the internal Nway engine. */ |
3338 | TULIP_WRITE(sc, CSR_SIATXRX, 0); |
3339 | break; |
3340 | |
3341 | default: |
3342 | /* Nothing. */ |
3343 | break; |
3344 | } |
3345 | if ((rc = mii_mediachg(&sc->sc_mii)) == ENXIO) |
3346 | return 0; |
3347 | return rc; |
3348 | } |
3349 | |
3350 | /* |
3351 | * tlp_bitbang_mii_readreg: |
3352 | * |
3353 | * Read a PHY register via bit-bang'ing the MII. |
3354 | */ |
3355 | static int |
3356 | tlp_bitbang_mii_readreg(device_t self, int phy, int reg) |
3357 | { |
3358 | struct tulip_softc *sc = device_private(self); |
3359 | |
3360 | return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); |
3361 | } |
3362 | |
3363 | /* |
3364 | * tlp_bitbang_mii_writereg: |
3365 | * |
3366 | * Write a PHY register via bit-bang'ing the MII. |
3367 | */ |
3368 | static void |
3369 | tlp_bitbang_mii_writereg(device_t self, int phy, int reg, int val) |
3370 | { |
3371 | struct tulip_softc *sc = device_private(self); |
3372 | |
3373 | mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); |
3374 | } |
3375 | |
3376 | /* |
3377 | * tlp_sio_mii_bitbang_read: |
3378 | * |
3379 | * Read the MII serial port for the MII bit-bang module. |
3380 | */ |
3381 | static uint32_t |
3382 | tlp_sio_mii_bitbang_read(device_t self) |
3383 | { |
3384 | struct tulip_softc *sc = device_private(self); |
3385 | |
3386 | return (TULIP_READ(sc, CSR_MIIROM)); |
3387 | } |
3388 | |
3389 | /* |
3390 | * tlp_sio_mii_bitbang_write: |
3391 | * |
3392 | * Write the MII serial port for the MII bit-bang module. |
3393 | */ |
3394 | static void |
3395 | tlp_sio_mii_bitbang_write(device_t self, uint32_t val) |
3396 | { |
3397 | struct tulip_softc *sc = device_private(self); |
3398 | |
3399 | TULIP_WRITE(sc, CSR_MIIROM, val); |
3400 | } |
3401 | |
3402 | /* |
3403 | * tlp_pnic_mii_readreg: |
3404 | * |
3405 | * Read a PHY register on the Lite-On PNIC. |
3406 | */ |
3407 | static int |
3408 | tlp_pnic_mii_readreg(device_t self, int phy, int reg) |
3409 | { |
3410 | struct tulip_softc *sc = device_private(self); |
3411 | uint32_t val; |
3412 | int i; |
3413 | |
3414 | TULIP_WRITE(sc, CSR_PNIC_MII, |
3415 | PNIC_MII_MBO | PNIC_MII_RESERVED | |
3416 | PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | |
3417 | (reg << PNIC_MII_REGSHIFT)); |
3418 | |
3419 | for (i = 0; i < 1000; i++) { |
3420 | delay(10); |
3421 | val = TULIP_READ(sc, CSR_PNIC_MII); |
3422 | if ((val & PNIC_MII_BUSY) == 0) { |
3423 | if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) |
3424 | return (0); |
3425 | else |
3426 | return (val & PNIC_MII_DATA); |
3427 | } |
3428 | } |
3429 | printf("%s: MII read timed out\n" , device_xname(sc->sc_dev)); |
3430 | return (0); |
3431 | } |
3432 | |
3433 | /* |
3434 | * tlp_pnic_mii_writereg: |
3435 | * |
3436 | * Write a PHY register on the Lite-On PNIC. |
3437 | */ |
3438 | static void |
3439 | tlp_pnic_mii_writereg(device_t self, int phy, int reg, int val) |
3440 | { |
3441 | struct tulip_softc *sc = device_private(self); |
3442 | int i; |
3443 | |
3444 | TULIP_WRITE(sc, CSR_PNIC_MII, |
3445 | PNIC_MII_MBO | PNIC_MII_RESERVED | |
3446 | PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | |
3447 | (reg << PNIC_MII_REGSHIFT) | val); |
3448 | |
3449 | for (i = 0; i < 1000; i++) { |
3450 | delay(10); |
3451 | if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) |
3452 | return; |
3453 | } |
3454 | printf("%s: MII write timed out\n" , device_xname(sc->sc_dev)); |
3455 | } |
3456 | |
3457 | static const bus_addr_t tlp_al981_phy_regmap[] = { |
3458 | CSR_ADM_BMCR, |
3459 | CSR_ADM_BMSR, |
3460 | CSR_ADM_PHYIDR1, |
3461 | CSR_ADM_PHYIDR2, |
3462 | CSR_ADM_ANAR, |
3463 | CSR_ADM_ANLPAR, |
3464 | CSR_ADM_ANER, |
3465 | |
3466 | CSR_ADM_XMC, |
3467 | CSR_ADM_XCIIS, |
3468 | CSR_ADM_XIE, |
3469 | CSR_ADM_100CTR, |
3470 | }; |
3471 | static const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / |
3472 | sizeof(tlp_al981_phy_regmap[0]); |
3473 | |
3474 | /* |
3475 | * tlp_al981_mii_readreg: |
3476 | * |
3477 | * Read a PHY register on the ADMtek AL981. |
3478 | */ |
3479 | static int |
3480 | tlp_al981_mii_readreg(device_t self, int phy, int reg) |
3481 | { |
3482 | struct tulip_softc *sc = device_private(self); |
3483 | |
3484 | /* AL981 only has an internal PHY. */ |
3485 | if (phy != 0) |
3486 | return (0); |
3487 | |
3488 | if (reg >= tlp_al981_phy_regmap_size) |
3489 | return (0); |
3490 | |
3491 | return (bus_space_read_4(sc->sc_st, sc->sc_sh, |
3492 | tlp_al981_phy_regmap[reg]) & 0xffff); |
3493 | } |
3494 | |
3495 | /* |
3496 | * tlp_al981_mii_writereg: |
3497 | * |
3498 | * Write a PHY register on the ADMtek AL981. |
3499 | */ |
3500 | static void |
3501 | tlp_al981_mii_writereg(device_t self, int phy, int reg, int val) |
3502 | { |
3503 | struct tulip_softc *sc = device_private(self); |
3504 | |
3505 | /* AL981 only has an internal PHY. */ |
3506 | if (phy != 0) |
3507 | return; |
3508 | |
3509 | if (reg >= tlp_al981_phy_regmap_size) |
3510 | return; |
3511 | |
3512 | bus_space_write_4(sc->sc_st, sc->sc_sh, |
3513 | tlp_al981_phy_regmap[reg], val); |
3514 | } |
3515 | |
3516 | /***************************************************************************** |
3517 | * Chip-specific pre-init and reset functions. |
3518 | *****************************************************************************/ |
3519 | |
3520 | /* |
3521 | * tlp_2114x_preinit: |
3522 | * |
3523 | * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. |
3524 | */ |
3525 | static void |
3526 | tlp_2114x_preinit(struct tulip_softc *sc) |
3527 | { |
3528 | struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; |
3529 | struct tulip_21x4x_media *tm = ife->ifm_aux; |
3530 | |
3531 | /* |
3532 | * Whether or not we're in MII or SIA/SYM mode, the media info |
3533 | * contains the appropriate OPMODE bits. |
3534 | * |
3535 | * Also, we always set the Must-Be-One bit. |
3536 | */ |
3537 | sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; |
3538 | |
3539 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
3540 | } |
3541 | |
3542 | /* |
3543 | * tlp_2114x_mii_preinit: |
3544 | * |
3545 | * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. |
3546 | * This version is used by boards which only have MII and don't have |
3547 | * an ISV SROM. |
3548 | */ |
3549 | static void |
3550 | tlp_2114x_mii_preinit(struct tulip_softc *sc) |
3551 | { |
3552 | |
3553 | /* |
3554 | * Always set the Must-Be-One bit, and Port Select (to select MII). |
3555 | * We'll never be called during a media change. |
3556 | */ |
3557 | sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; |
3558 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
3559 | } |
3560 | |
3561 | /* |
3562 | * tlp_pnic_preinit: |
3563 | * |
3564 | * Pre-init function for the Lite-On 82c168 and 82c169. |
3565 | */ |
3566 | static void |
3567 | tlp_pnic_preinit(struct tulip_softc *sc) |
3568 | { |
3569 | |
3570 | if (sc->sc_flags & TULIPF_HAS_MII) { |
3571 | /* |
3572 | * MII case: just set the port-select bit; we will never |
3573 | * be called during a media change. |
3574 | */ |
3575 | sc->sc_opmode |= OPMODE_PS; |
3576 | } else { |
3577 | /* |
3578 | * ENDEC/PCS/Nway mode; enable the Tx backoff counter. |
3579 | */ |
3580 | sc->sc_opmode |= OPMODE_PNIC_TBEN; |
3581 | } |
3582 | } |
3583 | |
3584 | /* |
3585 | * tlp_asix_preinit: |
3586 | * |
3587 | * Pre-init function for the ASIX chipsets. |
3588 | */ |
3589 | static void |
3590 | tlp_asix_preinit(struct tulip_softc *sc) |
3591 | { |
3592 | |
3593 | switch (sc->sc_chip) { |
3594 | case TULIP_CHIP_AX88140: |
3595 | case TULIP_CHIP_AX88141: |
3596 | /* XXX Handle PHY. */ |
3597 | sc->sc_opmode |= OPMODE_HBD|OPMODE_PS; |
3598 | break; |
3599 | default: |
3600 | /* Nothing */ |
3601 | break; |
3602 | } |
3603 | |
3604 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
3605 | } |
3606 | |
3607 | /* |
3608 | * tlp_dm9102_preinit: |
3609 | * |
3610 | * Pre-init function for the Davicom DM9102. |
3611 | */ |
3612 | static void |
3613 | tlp_dm9102_preinit(struct tulip_softc *sc) |
3614 | { |
3615 | |
3616 | switch (sc->sc_chip) { |
3617 | case TULIP_CHIP_DM9102: |
3618 | sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; |
3619 | break; |
3620 | |
3621 | case TULIP_CHIP_DM9102A: |
3622 | /* |
3623 | * XXX Figure out how to actually deal with the HomePNA |
3624 | * XXX portion of the DM9102A. |
3625 | */ |
3626 | sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; |
3627 | break; |
3628 | |
3629 | default: |
3630 | /* Nothing. */ |
3631 | break; |
3632 | } |
3633 | |
3634 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
3635 | } |
3636 | |
3637 | /* |
3638 | * tlp_21140_reset: |
3639 | * |
3640 | * Issue a reset sequence on the 21140 via the GPIO facility. |
3641 | */ |
3642 | static void |
3643 | tlp_21140_reset(struct tulip_softc *sc) |
3644 | { |
3645 | struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; |
3646 | struct tulip_21x4x_media *tm = ife->ifm_aux; |
3647 | int i; |
3648 | |
3649 | /* First, set the direction on the GPIO pins. */ |
3650 | TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); |
3651 | |
3652 | /* Now, issue the reset sequence. */ |
3653 | for (i = 0; i < tm->tm_reset_length; i++) { |
3654 | delay(10); |
3655 | TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); |
3656 | } |
3657 | |
3658 | /* Now, issue the selection sequence. */ |
3659 | for (i = 0; i < tm->tm_gp_length; i++) { |
3660 | delay(10); |
3661 | TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); |
3662 | } |
3663 | |
3664 | /* If there were no sequences, just lower the pins. */ |
3665 | if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { |
3666 | delay(10); |
3667 | TULIP_WRITE(sc, CSR_GPP, 0); |
3668 | } |
3669 | } |
3670 | |
3671 | /* |
3672 | * tlp_21142_reset: |
3673 | * |
3674 | * Issue a reset sequence on the 21142 via the GPIO facility. |
3675 | */ |
3676 | static void |
3677 | tlp_21142_reset(struct tulip_softc *sc) |
3678 | { |
3679 | struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; |
3680 | struct tulip_21x4x_media *tm = ife->ifm_aux; |
3681 | const uint8_t *cp; |
3682 | int i; |
3683 | |
3684 | cp = &sc->sc_srom[tm->tm_reset_offset]; |
3685 | for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { |
3686 | delay(10); |
3687 | TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); |
3688 | } |
3689 | |
3690 | cp = &sc->sc_srom[tm->tm_gp_offset]; |
3691 | for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { |
3692 | delay(10); |
3693 | TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); |
3694 | } |
3695 | |
3696 | /* If there were no sequences, just lower the pins. */ |
3697 | if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { |
3698 | delay(10); |
3699 | TULIP_WRITE(sc, CSR_SIAGEN, 0); |
3700 | } |
3701 | } |
3702 | |
3703 | /* |
3704 | * tlp_pmac_reset: |
3705 | * |
3706 | * Reset routine for Macronix chips. |
3707 | */ |
3708 | static void |
3709 | tlp_pmac_reset(struct tulip_softc *sc) |
3710 | { |
3711 | |
3712 | switch (sc->sc_chip) { |
3713 | case TULIP_CHIP_82C115: |
3714 | case TULIP_CHIP_MX98715: |
3715 | case TULIP_CHIP_MX98715A: |
3716 | case TULIP_CHIP_MX98725: |
3717 | /* |
3718 | * Set the LED operating mode. This information is located |
3719 | * in the EEPROM at byte offset 0x77, per the MX98715A and |
3720 | * MX98725 application notes. |
3721 | */ |
3722 | TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); |
3723 | break; |
3724 | case TULIP_CHIP_MX98715AEC_X: |
3725 | /* |
3726 | * Set the LED operating mode. This information is located |
3727 | * in the EEPROM at byte offset 0x76, per the MX98715AEC |
3728 | * application note. |
3729 | */ |
3730 | TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) |
3731 | | ((0xf0 & sc->sc_srom[0x76]) << 20)); |
3732 | break; |
3733 | |
3734 | default: |
3735 | /* Nothing. */ |
3736 | break; |
3737 | } |
3738 | } |
3739 | |
3740 | #if 0 |
3741 | /* |
3742 | * tlp_dm9102_reset: |
3743 | * |
3744 | * Reset routine for the Davicom DM9102. |
3745 | */ |
3746 | static void |
3747 | tlp_dm9102_reset(struct tulip_softc *sc) |
3748 | { |
3749 | |
3750 | TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); |
3751 | delay(100); |
3752 | TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); |
3753 | } |
3754 | #endif |
3755 | |
3756 | /***************************************************************************** |
3757 | * Chip/board-specific media switches. The ones here are ones that |
3758 | * are potentially common to multiple front-ends. |
3759 | *****************************************************************************/ |
3760 | |
3761 | /* |
3762 | * This table is a common place for all sorts of media information, |
3763 | * keyed off of the SROM media code for that media. |
3764 | * |
3765 | * Note that we explicitly configure the 21142/21143 to always advertise |
3766 | * NWay capabilities when using the UTP port. |
3767 | * XXX Actually, we don't yet. |
3768 | */ |
3769 | static const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { |
3770 | { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, |
3771 | "10baseT" , |
3772 | OPMODE_TTM, |
3773 | BMSR_10THDX, |
3774 | { SIACONN_21040_10BASET, |
3775 | SIATXRX_21040_10BASET, |
3776 | SIAGEN_21040_10BASET }, |
3777 | |
3778 | { SIACONN_21041_10BASET, |
3779 | SIATXRX_21041_10BASET, |
3780 | SIAGEN_21041_10BASET }, |
3781 | |
3782 | { SIACONN_21142_10BASET, |
3783 | SIATXRX_21142_10BASET, |
3784 | SIAGEN_21142_10BASET } }, |
3785 | |
3786 | { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, |
3787 | "10base2" , |
3788 | 0, |
3789 | 0, |
3790 | { 0, |
3791 | 0, |
3792 | 0 }, |
3793 | |
3794 | { SIACONN_21041_BNC, |
3795 | SIATXRX_21041_BNC, |
3796 | SIAGEN_21041_BNC }, |
3797 | |
3798 | { SIACONN_21142_BNC, |
3799 | SIATXRX_21142_BNC, |
3800 | SIAGEN_21142_BNC } }, |
3801 | |
3802 | { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, |
3803 | "10base5" , |
3804 | 0, |
3805 | 0, |
3806 | { SIACONN_21040_AUI, |
3807 | SIATXRX_21040_AUI, |
3808 | SIAGEN_21040_AUI }, |
3809 | |
3810 | { SIACONN_21041_AUI, |
3811 | SIATXRX_21041_AUI, |
3812 | SIAGEN_21041_AUI }, |
3813 | |
3814 | { SIACONN_21142_AUI, |
3815 | SIATXRX_21142_AUI, |
3816 | SIAGEN_21142_AUI } }, |
3817 | |
3818 | { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, |
3819 | "100baseTX" , |
3820 | OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, |
3821 | BMSR_100TXHDX, |
3822 | { 0, |
3823 | 0, |
3824 | 0 }, |
3825 | |
3826 | { 0, |
3827 | 0, |
3828 | 0 }, |
3829 | |
3830 | { 0, |
3831 | 0, |
3832 | SIAGEN_ABM } }, |
3833 | |
3834 | { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, |
3835 | "10baseT-FDX" , |
3836 | OPMODE_TTM|OPMODE_FD|OPMODE_HBD, |
3837 | BMSR_10TFDX, |
3838 | { SIACONN_21040_10BASET_FDX, |
3839 | SIATXRX_21040_10BASET_FDX, |
3840 | SIAGEN_21040_10BASET_FDX }, |
3841 | |
3842 | { SIACONN_21041_10BASET_FDX, |
3843 | SIATXRX_21041_10BASET_FDX, |
3844 | SIAGEN_21041_10BASET_FDX }, |
3845 | |
3846 | { SIACONN_21142_10BASET_FDX, |
3847 | SIATXRX_21142_10BASET_FDX, |
3848 | SIAGEN_21142_10BASET_FDX } }, |
3849 | |
3850 | { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, |
3851 | "100baseTX-FDX" , |
3852 | OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, |
3853 | BMSR_100TXFDX, |
3854 | { 0, |
3855 | 0, |
3856 | 0 }, |
3857 | |
3858 | { 0, |
3859 | 0, |
3860 | 0 }, |
3861 | |
3862 | { 0, |
3863 | 0, |
3864 | SIAGEN_ABM } }, |
3865 | |
3866 | { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, |
3867 | "100baseT4" , |
3868 | OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, |
3869 | BMSR_100T4, |
3870 | { 0, |
3871 | 0, |
3872 | 0 }, |
3873 | |
3874 | { 0, |
3875 | 0, |
3876 | 0 }, |
3877 | |
3878 | { 0, |
3879 | 0, |
3880 | SIAGEN_ABM } }, |
3881 | |
3882 | { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, |
3883 | "100baseFX" , |
3884 | OPMODE_PS|OPMODE_PCS|OPMODE_HBD, |
3885 | 0, |
3886 | { 0, |
3887 | 0, |
3888 | 0 }, |
3889 | |
3890 | { 0, |
3891 | 0, |
3892 | 0 }, |
3893 | |
3894 | { 0, |
3895 | 0, |
3896 | SIAGEN_ABM } }, |
3897 | |
3898 | { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, |
3899 | "100baseFX-FDX" , |
3900 | OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, |
3901 | 0, |
3902 | { 0, |
3903 | 0, |
3904 | 0 }, |
3905 | |
3906 | { 0, |
3907 | 0, |
3908 | 0 }, |
3909 | |
3910 | { 0, |
3911 | 0, |
3912 | SIAGEN_ABM } }, |
3913 | |
3914 | { 0, 0, 0, |
3915 | NULL, |
3916 | 0, |
3917 | 0, |
3918 | { 0, |
3919 | 0, |
3920 | 0 }, |
3921 | |
3922 | { 0, |
3923 | 0, |
3924 | 0 }, |
3925 | |
3926 | { 0, |
3927 | 0, |
3928 | 0 } }, |
3929 | }; |
3930 | |
3931 | static const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia(uint8_t); |
3932 | static void tlp_srom_media_info(struct tulip_softc *, |
3933 | const struct tulip_srom_to_ifmedia *, |
3934 | struct tulip_21x4x_media *); |
3935 | static void tlp_add_srom_media(struct tulip_softc *, int, |
3936 | void (*)(struct tulip_softc *, struct ifmediareq *), |
3937 | int (*)(struct tulip_softc *), const uint8_t *, int); |
3938 | static void tlp_print_media(struct tulip_softc *); |
3939 | static void tlp_nway_activate(struct tulip_softc *, int); |
3940 | static void tlp_get_minst(struct tulip_softc *); |
3941 | |
3942 | static const struct tulip_srom_to_ifmedia * |
3943 | tlp_srom_to_ifmedia(uint8_t sm) |
3944 | { |
3945 | const struct tulip_srom_to_ifmedia *tsti; |
3946 | |
3947 | for (tsti = tulip_srom_to_ifmedia_table; |
3948 | tsti->tsti_name != NULL; tsti++) { |
3949 | if (tsti->tsti_srom == sm) |
3950 | return (tsti); |
3951 | } |
3952 | |
3953 | return (NULL); |
3954 | } |
3955 | |
3956 | static void |
3957 | tlp_srom_media_info(struct tulip_softc *sc, |
3958 | const struct tulip_srom_to_ifmedia *tsti, struct tulip_21x4x_media *tm) |
3959 | { |
3960 | |
3961 | tm->tm_name = tsti->tsti_name; |
3962 | tm->tm_opmode = tsti->tsti_opmode; |
3963 | |
3964 | sc->sc_sia_cap |= tsti->tsti_sia_cap; |
3965 | |
3966 | switch (sc->sc_chip) { |
3967 | case TULIP_CHIP_DE425: |
3968 | case TULIP_CHIP_21040: |
3969 | tm->tm_sia = tsti->tsti_21040; /* struct assignment */ |
3970 | break; |
3971 | |
3972 | case TULIP_CHIP_21041: |
3973 | tm->tm_sia = tsti->tsti_21041; /* struct assignment */ |
3974 | break; |
3975 | |
3976 | case TULIP_CHIP_21142: |
3977 | case TULIP_CHIP_21143: |
3978 | case TULIP_CHIP_82C115: |
3979 | case TULIP_CHIP_MX98715: |
3980 | case TULIP_CHIP_MX98715A: |
3981 | case TULIP_CHIP_MX98715AEC_X: |
3982 | case TULIP_CHIP_MX98725: |
3983 | tm->tm_sia = tsti->tsti_21142; /* struct assignment */ |
3984 | break; |
3985 | |
3986 | default: |
3987 | /* Nothing. */ |
3988 | break; |
3989 | } |
3990 | } |
3991 | |
3992 | static void |
3993 | tlp_add_srom_media(struct tulip_softc *sc, int type, |
3994 | void (*get)(struct tulip_softc *, struct ifmediareq *), |
3995 | int (*set)(struct tulip_softc *), const uint8_t *list, |
3996 | int cnt) |
3997 | { |
3998 | struct tulip_21x4x_media *tm; |
3999 | const struct tulip_srom_to_ifmedia *tsti; |
4000 | int i; |
4001 | |
4002 | for (i = 0; i < cnt; i++) { |
4003 | tsti = tlp_srom_to_ifmedia(list[i]); |
4004 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
4005 | tlp_srom_media_info(sc, tsti, tm); |
4006 | tm->tm_type = type; |
4007 | tm->tm_get = get; |
4008 | tm->tm_set = set; |
4009 | |
4010 | ifmedia_add(&sc->sc_mii.mii_media, |
4011 | IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, |
4012 | tsti->tsti_options, sc->sc_tlp_minst), 0, tm); |
4013 | } |
4014 | } |
4015 | |
4016 | static void |
4017 | tlp_print_media(struct tulip_softc *sc) |
4018 | { |
4019 | struct ifmedia_entry *ife; |
4020 | struct tulip_21x4x_media *tm; |
4021 | const char *sep = "" ; |
4022 | |
4023 | #define PRINT(str) aprint_normal("%s%s", sep, str); sep = ", " |
4024 | |
4025 | aprint_normal_dev(sc->sc_dev, "" ); |
4026 | TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, ifm_list) { |
4027 | tm = ife->ifm_aux; |
4028 | if (tm == NULL) { |
4029 | #ifdef DIAGNOSTIC |
4030 | if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) |
4031 | panic("tlp_print_media" ); |
4032 | #endif |
4033 | PRINT("auto" ); |
4034 | } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && |
4035 | tm->tm_type != TULIP_ROM_MB_21142_MII) { |
4036 | PRINT(tm->tm_name); |
4037 | } |
4038 | } |
4039 | aprint_normal("\n" ); |
4040 | |
4041 | #undef PRINT |
4042 | } |
4043 | |
4044 | static void |
4045 | tlp_nway_activate(struct tulip_softc *sc, int media) |
4046 | { |
4047 | struct ifmedia_entry *ife; |
4048 | |
4049 | ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); |
4050 | #ifdef DIAGNOSTIC |
4051 | if (ife == NULL) |
4052 | panic("tlp_nway_activate" ); |
4053 | #endif |
4054 | sc->sc_nway_active = ife; |
4055 | } |
4056 | |
4057 | static void |
4058 | tlp_get_minst(struct tulip_softc *sc) |
4059 | { |
4060 | |
4061 | if ((sc->sc_media_seen & |
4062 | ~((1 << TULIP_ROM_MB_21140_MII) | |
4063 | (1 << TULIP_ROM_MB_21142_MII))) == 0) { |
4064 | /* |
4065 | * We have not yet seen any SIA/SYM media (but are |
4066 | * about to; that's why we're called!), so assign |
4067 | * the current media instance to be the `internal media' |
4068 | * instance, and advance it so any MII media gets a |
4069 | * fresh one (used to selecting/isolating a PHY). |
4070 | */ |
4071 | sc->sc_tlp_minst = sc->sc_mii.mii_instance++; |
4072 | } |
4073 | } |
4074 | |
4075 | /* |
4076 | * SIA Utility functions. |
4077 | */ |
4078 | static void tlp_sia_update_link(struct tulip_softc *); |
4079 | static void tlp_sia_get(struct tulip_softc *, struct ifmediareq *); |
4080 | static int tlp_sia_set(struct tulip_softc *); |
4081 | static int tlp_sia_media(struct tulip_softc *, struct ifmedia_entry *); |
4082 | static void tlp_sia_fixup(struct tulip_softc *); |
4083 | |
4084 | static void |
4085 | tlp_sia_update_link(struct tulip_softc *sc) |
4086 | { |
4087 | struct ifmedia_entry *ife; |
4088 | struct tulip_21x4x_media *tm; |
4089 | uint32_t siastat; |
4090 | |
4091 | ife = TULIP_CURRENT_MEDIA(sc); |
4092 | tm = ife->ifm_aux; |
4093 | |
4094 | sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); |
4095 | |
4096 | siastat = TULIP_READ(sc, CSR_SIASTAT); |
4097 | |
4098 | /* |
4099 | * Note that when we do SIA link tests, we are assuming that |
4100 | * the chip is really in the mode that the current media setting |
4101 | * reflects. If we're not, then the link tests will not be |
4102 | * accurate! |
4103 | */ |
4104 | switch (IFM_SUBTYPE(ife->ifm_media)) { |
4105 | case IFM_10_T: |
4106 | sc->sc_flags |= TULIPF_LINK_VALID; |
4107 | if ((siastat & SIASTAT_LS10) == 0) |
4108 | sc->sc_flags |= TULIPF_LINK_UP; |
4109 | break; |
4110 | |
4111 | case IFM_100_TX: |
4112 | case IFM_100_T4: |
4113 | sc->sc_flags |= TULIPF_LINK_VALID; |
4114 | if ((siastat & SIASTAT_LS100) == 0) |
4115 | sc->sc_flags |= TULIPF_LINK_UP; |
4116 | break; |
4117 | } |
4118 | |
4119 | switch (sc->sc_chip) { |
4120 | case TULIP_CHIP_21142: |
4121 | case TULIP_CHIP_21143: |
4122 | /* |
4123 | * On these chips, we can tell more information about |
4124 | * AUI/BNC. Note that the AUI/BNC selection is made |
4125 | * in a different register; for our purpose, it's all |
4126 | * AUI. |
4127 | */ |
4128 | switch (IFM_SUBTYPE(ife->ifm_media)) { |
4129 | case IFM_10_2: |
4130 | case IFM_10_5: |
4131 | sc->sc_flags |= TULIPF_LINK_VALID; |
4132 | if (siastat & SIASTAT_ARA) { |
4133 | TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); |
4134 | sc->sc_flags |= TULIPF_LINK_UP; |
4135 | } |
4136 | break; |
4137 | |
4138 | default: |
4139 | /* |
4140 | * If we're SYM media and can detect the link |
4141 | * via the GPIO facility, prefer that status |
4142 | * over LS100. |
4143 | */ |
4144 | if (tm->tm_type == TULIP_ROM_MB_21143_SYM && |
4145 | tm->tm_actmask != 0) { |
4146 | sc->sc_flags = (sc->sc_flags & |
4147 | ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; |
4148 | if (TULIP_ISSET(sc, CSR_SIAGEN, |
4149 | tm->tm_actmask) == tm->tm_actdata) |
4150 | sc->sc_flags |= TULIPF_LINK_UP; |
4151 | } |
4152 | } |
4153 | break; |
4154 | |
4155 | default: |
4156 | /* Nothing. */ |
4157 | break; |
4158 | } |
4159 | } |
4160 | |
4161 | static void |
4162 | tlp_sia_get(struct tulip_softc *sc, struct ifmediareq *ifmr) |
4163 | { |
4164 | struct ifmedia_entry *ife; |
4165 | |
4166 | ifmr->ifm_status = 0; |
4167 | |
4168 | tlp_sia_update_link(sc); |
4169 | |
4170 | ife = TULIP_CURRENT_MEDIA(sc); |
4171 | |
4172 | if (sc->sc_flags & TULIPF_LINK_VALID) |
4173 | ifmr->ifm_status |= IFM_AVALID; |
4174 | if (sc->sc_flags & TULIPF_LINK_UP) |
4175 | ifmr->ifm_status |= IFM_ACTIVE; |
4176 | ifmr->ifm_active = ife->ifm_media; |
4177 | } |
4178 | |
4179 | static void |
4180 | tlp_sia_fixup(struct tulip_softc *sc) |
4181 | { |
4182 | struct ifmedia_entry *ife; |
4183 | struct tulip_21x4x_media *tm; |
4184 | uint32_t siaconn, siatxrx, siagen; |
4185 | |
4186 | switch (sc->sc_chip) { |
4187 | case TULIP_CHIP_82C115: |
4188 | case TULIP_CHIP_MX98713A: |
4189 | case TULIP_CHIP_MX98715: |
4190 | case TULIP_CHIP_MX98715A: |
4191 | case TULIP_CHIP_MX98715AEC_X: |
4192 | case TULIP_CHIP_MX98725: |
4193 | siaconn = PMAC_SIACONN_MASK; |
4194 | siatxrx = PMAC_SIATXRX_MASK; |
4195 | siagen = PMAC_SIAGEN_MASK; |
4196 | break; |
4197 | |
4198 | default: |
4199 | /* No fixups required on any other chips. */ |
4200 | return; |
4201 | } |
4202 | |
4203 | TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, ifm_list) { |
4204 | tm = ife->ifm_aux; |
4205 | if (tm == NULL) |
4206 | continue; |
4207 | |
4208 | tm->tm_siaconn &= siaconn; |
4209 | tm->tm_siatxrx &= siatxrx; |
4210 | tm->tm_siagen &= siagen; |
4211 | } |
4212 | } |
4213 | |
4214 | static int |
4215 | tlp_sia_set(struct tulip_softc *sc) |
4216 | { |
4217 | |
4218 | return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); |
4219 | } |
4220 | |
4221 | static int |
4222 | tlp_sia_media(struct tulip_softc *sc, struct ifmedia_entry *ife) |
4223 | { |
4224 | struct tulip_21x4x_media *tm; |
4225 | |
4226 | tm = ife->ifm_aux; |
4227 | |
4228 | /* |
4229 | * XXX This appears to be necessary on a bunch of the clone chips. |
4230 | */ |
4231 | delay(20000); |
4232 | |
4233 | /* |
4234 | * Idle the chip. |
4235 | */ |
4236 | tlp_idle(sc, OPMODE_ST|OPMODE_SR); |
4237 | |
4238 | /* |
4239 | * Program the SIA. It's important to write in this order, |
4240 | * resetting the SIA first. |
4241 | */ |
4242 | TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ |
4243 | delay(1000); |
4244 | |
4245 | TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); |
4246 | |
4247 | switch (sc->sc_chip) { |
4248 | case TULIP_CHIP_21142: |
4249 | case TULIP_CHIP_21143: |
4250 | TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); |
4251 | TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); |
4252 | break; |
4253 | default: |
4254 | TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); |
4255 | } |
4256 | |
4257 | TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); |
4258 | |
4259 | /* |
4260 | * Set the OPMODE bits for this media and write OPMODE. |
4261 | * This will resume the transmit and receive processes. |
4262 | */ |
4263 | sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; |
4264 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
4265 | |
4266 | return (0); |
4267 | } |
4268 | |
4269 | /* |
4270 | * 21140 GPIO utility functions. |
4271 | */ |
4272 | static void tlp_21140_gpio_update_link(struct tulip_softc *); |
4273 | |
4274 | static void |
4275 | tlp_21140_gpio_update_link(struct tulip_softc *sc) |
4276 | { |
4277 | struct ifmedia_entry *ife; |
4278 | struct tulip_21x4x_media *tm; |
4279 | |
4280 | ife = TULIP_CURRENT_MEDIA(sc); |
4281 | tm = ife->ifm_aux; |
4282 | |
4283 | sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); |
4284 | |
4285 | if (tm->tm_actmask != 0) { |
4286 | sc->sc_flags |= TULIPF_LINK_VALID; |
4287 | if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == |
4288 | tm->tm_actdata) |
4289 | sc->sc_flags |= TULIPF_LINK_UP; |
4290 | } |
4291 | } |
4292 | |
4293 | void |
4294 | tlp_21140_gpio_get(struct tulip_softc *sc, struct ifmediareq *ifmr) |
4295 | { |
4296 | struct ifmedia_entry *ife; |
4297 | |
4298 | ifmr->ifm_status = 0; |
4299 | |
4300 | tlp_21140_gpio_update_link(sc); |
4301 | |
4302 | ife = TULIP_CURRENT_MEDIA(sc); |
4303 | |
4304 | if (sc->sc_flags & TULIPF_LINK_VALID) |
4305 | ifmr->ifm_status |= IFM_AVALID; |
4306 | if (sc->sc_flags & TULIPF_LINK_UP) |
4307 | ifmr->ifm_status |= IFM_ACTIVE; |
4308 | ifmr->ifm_active = ife->ifm_media; |
4309 | } |
4310 | |
4311 | int |
4312 | tlp_21140_gpio_set(struct tulip_softc *sc) |
4313 | { |
4314 | struct ifmedia_entry *ife; |
4315 | struct tulip_21x4x_media *tm; |
4316 | |
4317 | ife = TULIP_CURRENT_MEDIA(sc); |
4318 | tm = ife->ifm_aux; |
4319 | |
4320 | /* |
4321 | * Idle the chip. |
4322 | */ |
4323 | tlp_idle(sc, OPMODE_ST|OPMODE_SR); |
4324 | |
4325 | /* |
4326 | * Set the GPIO pins for this media, to flip any |
4327 | * relays, etc. |
4328 | */ |
4329 | TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); |
4330 | delay(10); |
4331 | TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); |
4332 | |
4333 | /* |
4334 | * Set the OPMODE bits for this media and write OPMODE. |
4335 | * This will resume the transmit and receive processes. |
4336 | */ |
4337 | sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; |
4338 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
4339 | |
4340 | return (0); |
4341 | } |
4342 | |
4343 | /* |
4344 | * 21040 and 21041 media switches. |
4345 | */ |
4346 | static void tlp_21040_tmsw_init(struct tulip_softc *); |
4347 | static void tlp_21040_tp_tmsw_init(struct tulip_softc *); |
4348 | static void tlp_21040_auibnc_tmsw_init(struct tulip_softc *); |
4349 | static void tlp_21041_tmsw_init(struct tulip_softc *); |
4350 | |
4351 | const struct tulip_mediasw tlp_21040_mediasw = { |
4352 | tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set |
4353 | }; |
4354 | |
4355 | const struct tulip_mediasw tlp_21040_tp_mediasw = { |
4356 | tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set |
4357 | }; |
4358 | |
4359 | const struct tulip_mediasw tlp_21040_auibnc_mediasw = { |
4360 | tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set |
4361 | }; |
4362 | |
4363 | const struct tulip_mediasw tlp_21041_mediasw = { |
4364 | tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set |
4365 | }; |
4366 | |
4367 | static void |
4368 | tlp_21040_tmsw_init(struct tulip_softc *sc) |
4369 | { |
4370 | static const uint8_t media[] = { |
4371 | TULIP_ROM_MB_MEDIA_TP, |
4372 | TULIP_ROM_MB_MEDIA_TP_FDX, |
4373 | TULIP_ROM_MB_MEDIA_AUI, |
4374 | }; |
4375 | struct tulip_21x4x_media *tm; |
4376 | |
4377 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
4378 | tlp_mediastatus); |
4379 | |
4380 | tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); |
4381 | |
4382 | /* |
4383 | * No SROM type for External SIA. |
4384 | */ |
4385 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
4386 | tm->tm_name = "manual" ; |
4387 | tm->tm_opmode = 0; |
4388 | tm->tm_siaconn = SIACONN_21040_EXTSIA; |
4389 | tm->tm_siatxrx = SIATXRX_21040_EXTSIA; |
4390 | tm->tm_siagen = SIAGEN_21040_EXTSIA; |
4391 | ifmedia_add(&sc->sc_mii.mii_media, |
4392 | IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); |
4393 | |
4394 | /* |
4395 | * XXX Autosense not yet supported. |
4396 | */ |
4397 | |
4398 | /* XXX This should be auto-sense. */ |
4399 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); |
4400 | |
4401 | tlp_print_media(sc); |
4402 | } |
4403 | |
4404 | static void |
4405 | tlp_21040_tp_tmsw_init(struct tulip_softc *sc) |
4406 | { |
4407 | static const uint8_t media[] = { |
4408 | TULIP_ROM_MB_MEDIA_TP, |
4409 | TULIP_ROM_MB_MEDIA_TP_FDX, |
4410 | }; |
4411 | |
4412 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
4413 | tlp_mediastatus); |
4414 | |
4415 | tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); |
4416 | |
4417 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); |
4418 | |
4419 | tlp_print_media(sc); |
4420 | } |
4421 | |
4422 | static void |
4423 | tlp_21040_auibnc_tmsw_init(struct tulip_softc *sc) |
4424 | { |
4425 | static const uint8_t media[] = { |
4426 | TULIP_ROM_MB_MEDIA_AUI, |
4427 | }; |
4428 | |
4429 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
4430 | tlp_mediastatus); |
4431 | |
4432 | tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); |
4433 | |
4434 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); |
4435 | |
4436 | tlp_print_media(sc); |
4437 | } |
4438 | |
4439 | static void |
4440 | tlp_21041_tmsw_init(struct tulip_softc *sc) |
4441 | { |
4442 | static const uint8_t media[] = { |
4443 | TULIP_ROM_MB_MEDIA_TP, |
4444 | TULIP_ROM_MB_MEDIA_TP_FDX, |
4445 | TULIP_ROM_MB_MEDIA_BNC, |
4446 | TULIP_ROM_MB_MEDIA_AUI, |
4447 | }; |
4448 | int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; |
4449 | const struct tulip_srom_to_ifmedia *tsti; |
4450 | struct tulip_21x4x_media *tm; |
4451 | uint16_t romdef; |
4452 | uint8_t mb; |
4453 | |
4454 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
4455 | tlp_mediastatus); |
4456 | |
4457 | if (tlp_isv_srom(sc->sc_srom) == 0) { |
4458 | not_isv_srom: |
4459 | /* |
4460 | * If we have a board without the standard 21041 SROM format, |
4461 | * we just assume all media are present and try and pick a |
4462 | * reasonable default. |
4463 | */ |
4464 | tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); |
4465 | |
4466 | /* |
4467 | * XXX Autosense not yet supported. |
4468 | */ |
4469 | |
4470 | /* XXX This should be auto-sense. */ |
4471 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); |
4472 | |
4473 | tlp_print_media(sc); |
4474 | return; |
4475 | } |
4476 | |
4477 | devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; |
4478 | for (i = 0; i < devcnt; i++) { |
4479 | if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) |
4480 | break; |
4481 | if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == |
4482 | sc->sc_devno) |
4483 | break; |
4484 | } |
4485 | |
4486 | if (i == devcnt) |
4487 | goto not_isv_srom; |
4488 | |
4489 | leaf_offset = TULIP_ROM_GETW(sc->sc_srom, |
4490 | TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); |
4491 | mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; |
4492 | m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; |
4493 | |
4494 | for (; m_cnt != 0; |
4495 | m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { |
4496 | mb = sc->sc_srom[mb_offset]; |
4497 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
4498 | switch (mb & TULIP_ROM_MB_MEDIA_CODE) { |
4499 | case TULIP_ROM_MB_MEDIA_TP_FDX: |
4500 | case TULIP_ROM_MB_MEDIA_TP: |
4501 | case TULIP_ROM_MB_MEDIA_BNC: |
4502 | case TULIP_ROM_MB_MEDIA_AUI: |
4503 | tsti = tlp_srom_to_ifmedia(mb & |
4504 | TULIP_ROM_MB_MEDIA_CODE); |
4505 | |
4506 | tlp_srom_media_info(sc, tsti, tm); |
4507 | |
4508 | /* |
4509 | * Override our default SIA settings if the |
4510 | * SROM contains its own. |
4511 | */ |
4512 | if (mb & TULIP_ROM_MB_EXT) { |
4513 | tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, |
4514 | mb_offset + TULIP_ROM_MB_CSR13); |
4515 | tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, |
4516 | mb_offset + TULIP_ROM_MB_CSR14); |
4517 | tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, |
4518 | mb_offset + TULIP_ROM_MB_CSR15); |
4519 | } |
4520 | |
4521 | ifmedia_add(&sc->sc_mii.mii_media, |
4522 | IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, |
4523 | tsti->tsti_options, sc->sc_tlp_minst), 0, tm); |
4524 | break; |
4525 | |
4526 | default: |
4527 | aprint_error_dev(sc->sc_dev, |
4528 | "unknown media code 0x%02x\n" , |
4529 | mb & TULIP_ROM_MB_MEDIA_CODE); |
4530 | free(tm, M_DEVBUF); |
4531 | } |
4532 | } |
4533 | |
4534 | /* |
4535 | * XXX Autosense not yet supported. |
4536 | */ |
4537 | |
4538 | romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + |
4539 | TULIP_ROM_IL_SELECT_CONN_TYPE); |
4540 | switch (romdef) { |
4541 | case SELECT_CONN_TYPE_TP: |
4542 | case SELECT_CONN_TYPE_TP_AUTONEG: |
4543 | case SELECT_CONN_TYPE_TP_NOLINKPASS: |
4544 | defmedia = IFM_ETHER|IFM_10_T; |
4545 | break; |
4546 | |
4547 | case SELECT_CONN_TYPE_TP_FDX: |
4548 | defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; |
4549 | break; |
4550 | |
4551 | case SELECT_CONN_TYPE_BNC: |
4552 | defmedia = IFM_ETHER|IFM_10_2; |
4553 | break; |
4554 | |
4555 | case SELECT_CONN_TYPE_AUI: |
4556 | defmedia = IFM_ETHER|IFM_10_5; |
4557 | break; |
4558 | #if 0 /* XXX */ |
4559 | case SELECT_CONN_TYPE_ASENSE: |
4560 | case SELECT_CONN_TYPE_ASENSE_AUTONEG: |
4561 | defmedia = IFM_ETHER|IFM_AUTO; |
4562 | break; |
4563 | #endif |
4564 | default: |
4565 | defmedia = 0; |
4566 | } |
4567 | |
4568 | if (defmedia == 0) { |
4569 | /* |
4570 | * XXX We should default to auto-sense. |
4571 | */ |
4572 | defmedia = IFM_ETHER|IFM_10_T; |
4573 | } |
4574 | |
4575 | ifmedia_set(&sc->sc_mii.mii_media, defmedia); |
4576 | |
4577 | tlp_print_media(sc); |
4578 | } |
4579 | |
4580 | /* |
4581 | * DECchip 2114x ISV media switch. |
4582 | */ |
4583 | static void tlp_2114x_isv_tmsw_init(struct tulip_softc *); |
4584 | static void tlp_2114x_isv_tmsw_get(struct tulip_softc *, |
4585 | struct ifmediareq *); |
4586 | static int tlp_2114x_isv_tmsw_set(struct tulip_softc *); |
4587 | |
4588 | const struct tulip_mediasw tlp_2114x_isv_mediasw = { |
4589 | tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set |
4590 | }; |
4591 | |
4592 | static void tlp_2114x_nway_get(struct tulip_softc *, struct ifmediareq *); |
4593 | static int tlp_2114x_nway_set(struct tulip_softc *); |
4594 | |
4595 | static void tlp_2114x_nway_statchg(struct ifnet *); |
4596 | static int tlp_2114x_nway_service(struct tulip_softc *, int); |
4597 | static void tlp_2114x_nway_auto(struct tulip_softc *); |
4598 | static void tlp_2114x_nway_status(struct tulip_softc *); |
4599 | |
4600 | static void |
4601 | tlp_2114x_isv_tmsw_init(struct tulip_softc *sc) |
4602 | { |
4603 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
4604 | struct ifmedia_entry *ife; |
4605 | struct mii_softc *phy; |
4606 | struct tulip_21x4x_media *tm; |
4607 | const struct tulip_srom_to_ifmedia *tsti; |
4608 | int i, devcnt, leaf_offset, m_cnt, type, length; |
4609 | int defmedia, miidef; |
4610 | uint16_t word; |
4611 | uint8_t *cp, *ncp; |
4612 | |
4613 | defmedia = miidef = 0; |
4614 | |
4615 | sc->sc_mii.mii_ifp = ifp; |
4616 | sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; |
4617 | sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; |
4618 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
4619 | |
4620 | /* |
4621 | * Ignore `instance'; we may get a mixture of SIA and MII |
4622 | * media, and `instance' is used to isolate or select the |
4623 | * PHY on the MII as appropriate. Note that duplicate media |
4624 | * are disallowed, so ignoring `instance' is safe. |
4625 | */ |
4626 | ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, |
4627 | tlp_mediastatus); |
4628 | |
4629 | devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; |
4630 | for (i = 0; i < devcnt; i++) { |
4631 | if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) |
4632 | break; |
4633 | if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == |
4634 | sc->sc_devno) |
4635 | break; |
4636 | } |
4637 | |
4638 | if (i == devcnt) { |
4639 | aprint_error_dev(sc->sc_dev, |
4640 | "unable to locate info leaf in SROM\n" ); |
4641 | return; |
4642 | } |
4643 | |
4644 | leaf_offset = TULIP_ROM_GETW(sc->sc_srom, |
4645 | TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); |
4646 | |
4647 | /* XXX SELECT CONN TYPE */ |
4648 | |
4649 | cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; |
4650 | |
4651 | /* |
4652 | * On some chips, the first thing in the Info Leaf is the |
4653 | * GPIO pin direction data. |
4654 | */ |
4655 | switch (sc->sc_chip) { |
4656 | case TULIP_CHIP_21140: |
4657 | case TULIP_CHIP_21140A: |
4658 | case TULIP_CHIP_MX98713: |
4659 | case TULIP_CHIP_AX88140: |
4660 | case TULIP_CHIP_AX88141: |
4661 | sc->sc_gp_dir = *cp++; |
4662 | break; |
4663 | |
4664 | default: |
4665 | /* Nothing. */ |
4666 | break; |
4667 | } |
4668 | |
4669 | /* Get the media count. */ |
4670 | m_cnt = *cp++; |
4671 | |
4672 | if (m_cnt == 0) { |
4673 | sc->sc_mediasw = &tlp_sio_mii_mediasw; |
4674 | (*sc->sc_mediasw->tmsw_init)(sc); |
4675 | return; |
4676 | } |
4677 | |
4678 | for (; m_cnt != 0; cp = ncp, m_cnt--) { |
4679 | /* |
4680 | * Determine the type and length of this media block. |
4681 | * The 21143 is spec'd to always use extended format blocks, |
4682 | * but some cards don't set the bit to indicate this. |
4683 | * Hopefully there are no cards which really don't use |
4684 | * extended format blocks. |
4685 | */ |
4686 | if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { |
4687 | length = 4; |
4688 | type = TULIP_ROM_MB_21140_GPR; |
4689 | } else { |
4690 | length = (*cp++ & 0x7f) - 1; |
4691 | type = *cp++ & 0x3f; |
4692 | } |
4693 | |
4694 | /* Compute the start of the next block. */ |
4695 | ncp = cp + length; |
4696 | |
4697 | /* Now, parse the block. */ |
4698 | switch (type) { |
4699 | case TULIP_ROM_MB_21140_GPR: |
4700 | tlp_get_minst(sc); |
4701 | sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; |
4702 | |
4703 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
4704 | |
4705 | tm->tm_type = TULIP_ROM_MB_21140_GPR; |
4706 | tm->tm_get = tlp_21140_gpio_get; |
4707 | tm->tm_set = tlp_21140_gpio_set; |
4708 | |
4709 | /* First is the media type code. */ |
4710 | tsti = tlp_srom_to_ifmedia(cp[0] & |
4711 | TULIP_ROM_MB_MEDIA_CODE); |
4712 | if (tsti == NULL) { |
4713 | /* Invalid media code. */ |
4714 | free(tm, M_DEVBUF); |
4715 | break; |
4716 | } |
4717 | |
4718 | /* Get defaults. */ |
4719 | tlp_srom_media_info(sc, tsti, tm); |
4720 | |
4721 | /* Next is any GPIO info for this media. */ |
4722 | tm->tm_gpdata = cp[1]; |
4723 | |
4724 | /* |
4725 | * Next is a word containing OPMODE information |
4726 | * and info on how to detect if this media is |
4727 | * active. |
4728 | */ |
4729 | word = TULIP_ROM_GETW(cp, 2); |
4730 | tm->tm_opmode &= OPMODE_FD; |
4731 | tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); |
4732 | if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { |
4733 | tm->tm_actmask = |
4734 | TULIP_ROM_MB_BITPOS(word); |
4735 | tm->tm_actdata = |
4736 | (word & TULIP_ROM_MB_POLARITY) ? |
4737 | 0 : tm->tm_actmask; |
4738 | } |
4739 | |
4740 | ifmedia_add(&sc->sc_mii.mii_media, |
4741 | IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, |
4742 | tsti->tsti_options, sc->sc_tlp_minst), 0, tm); |
4743 | break; |
4744 | |
4745 | case TULIP_ROM_MB_21140_MII: |
4746 | sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; |
4747 | |
4748 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
4749 | |
4750 | tm->tm_type = TULIP_ROM_MB_21140_MII; |
4751 | tm->tm_get = tlp_mii_getmedia; |
4752 | tm->tm_set = tlp_mii_setmedia; |
4753 | tm->tm_opmode = OPMODE_PS; |
4754 | |
4755 | if (sc->sc_reset == NULL) |
4756 | sc->sc_reset = tlp_21140_reset; |
4757 | |
4758 | /* First is the PHY number. */ |
4759 | tm->tm_phyno = *cp++; |
4760 | |
4761 | /* Next is the MII select sequence length and offset. */ |
4762 | tm->tm_gp_length = *cp++; |
4763 | tm->tm_gp_offset = cp - &sc->sc_srom[0]; |
4764 | cp += tm->tm_gp_length; |
4765 | |
4766 | /* Next is the MII reset sequence length and offset. */ |
4767 | tm->tm_reset_length = *cp++; |
4768 | tm->tm_reset_offset = cp - &sc->sc_srom[0]; |
4769 | cp += tm->tm_reset_length; |
4770 | |
4771 | /* |
4772 | * The following items are left in the media block |
4773 | * that we don't particularly care about: |
4774 | * |
4775 | * capabilities W |
4776 | * advertisement W |
4777 | * full duplex W |
4778 | * tx threshold W |
4779 | * |
4780 | * These appear to be bits in the PHY registers, |
4781 | * which our MII code handles on its own. |
4782 | */ |
4783 | |
4784 | /* |
4785 | * Before we probe the MII bus, we need to reset |
4786 | * it and issue the selection sequence. |
4787 | */ |
4788 | |
4789 | /* Set the direction of the pins... */ |
4790 | TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); |
4791 | |
4792 | for (i = 0; i < tm->tm_reset_length; i++) { |
4793 | delay(10); |
4794 | TULIP_WRITE(sc, CSR_GPP, |
4795 | sc->sc_srom[tm->tm_reset_offset + i]); |
4796 | } |
4797 | |
4798 | for (i = 0; i < tm->tm_gp_length; i++) { |
4799 | delay(10); |
4800 | TULIP_WRITE(sc, CSR_GPP, |
4801 | sc->sc_srom[tm->tm_gp_offset + i]); |
4802 | } |
4803 | |
4804 | /* If there were no sequences, just lower the pins. */ |
4805 | if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { |
4806 | delay(10); |
4807 | TULIP_WRITE(sc, CSR_GPP, 0); |
4808 | } |
4809 | |
4810 | /* |
4811 | * Now, probe the MII for the PHY. Note, we know |
4812 | * the location of the PHY on the bus, but we don't |
4813 | * particularly care; the MII code just likes to |
4814 | * search the whole thing anyhow. |
4815 | */ |
4816 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, |
4817 | MII_PHY_ANY, tm->tm_phyno, 0); |
4818 | |
4819 | /* |
4820 | * Now, search for the PHY we hopefully just |
4821 | * configured. If it's not configured into the |
4822 | * kernel, we lose. The PHY's default media always |
4823 | * takes priority. |
4824 | */ |
4825 | LIST_FOREACH(phy, &sc->sc_mii.mii_phys, mii_list) { |
4826 | if (phy->mii_offset == tm->tm_phyno) |
4827 | break; |
4828 | } |
4829 | if (phy == NULL) { |
4830 | aprint_error_dev(sc->sc_dev, |
4831 | "unable to configure MII\n" ); |
4832 | break; |
4833 | } |
4834 | |
4835 | sc->sc_flags |= TULIPF_HAS_MII; |
4836 | sc->sc_tick = tlp_mii_tick; |
4837 | miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, |
4838 | phy->mii_inst); |
4839 | |
4840 | /* |
4841 | * Okay, now that we've found the PHY and the MII |
4842 | * layer has added all of the media associated |
4843 | * with that PHY, we need to traverse the media |
4844 | * list, and add our `tm' to each entry's `aux' |
4845 | * pointer. |
4846 | * |
4847 | * We do this by looking for media with our |
4848 | * PHY's `instance'. |
4849 | */ |
4850 | TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, |
4851 | ifm_list) { |
4852 | if (IFM_INST(ife->ifm_media) != phy->mii_inst) |
4853 | continue; |
4854 | ife->ifm_aux = tm; |
4855 | } |
4856 | break; |
4857 | |
4858 | case TULIP_ROM_MB_21142_SIA: |
4859 | tlp_get_minst(sc); |
4860 | sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; |
4861 | |
4862 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
4863 | |
4864 | tm->tm_type = TULIP_ROM_MB_21142_SIA; |
4865 | tm->tm_get = tlp_sia_get; |
4866 | tm->tm_set = tlp_sia_set; |
4867 | |
4868 | /* First is the media type code. */ |
4869 | tsti = tlp_srom_to_ifmedia(cp[0] & |
4870 | TULIP_ROM_MB_MEDIA_CODE); |
4871 | if (tsti == NULL) { |
4872 | /* Invalid media code. */ |
4873 | free(tm, M_DEVBUF); |
4874 | break; |
4875 | } |
4876 | |
4877 | /* Get defaults. */ |
4878 | tlp_srom_media_info(sc, tsti, tm); |
4879 | |
4880 | /* |
4881 | * Override our default SIA settings if the |
4882 | * SROM contains its own. |
4883 | */ |
4884 | if (cp[0] & 0x40) { |
4885 | tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); |
4886 | tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); |
4887 | tm->tm_siagen = TULIP_ROM_GETW(cp, 5); |
4888 | cp += 7; |
4889 | } else |
4890 | cp++; |
4891 | |
4892 | /* Next is GPIO control/data. */ |
4893 | tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; |
4894 | tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; |
4895 | |
4896 | ifmedia_add(&sc->sc_mii.mii_media, |
4897 | IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, |
4898 | tsti->tsti_options, sc->sc_tlp_minst), 0, tm); |
4899 | break; |
4900 | |
4901 | case TULIP_ROM_MB_21142_MII: |
4902 | sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; |
4903 | |
4904 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
4905 | |
4906 | tm->tm_type = TULIP_ROM_MB_21142_MII; |
4907 | tm->tm_get = tlp_mii_getmedia; |
4908 | tm->tm_set = tlp_mii_setmedia; |
4909 | tm->tm_opmode = OPMODE_PS; |
4910 | |
4911 | if (sc->sc_reset == NULL) |
4912 | sc->sc_reset = tlp_21142_reset; |
4913 | |
4914 | /* First is the PHY number. */ |
4915 | tm->tm_phyno = *cp++; |
4916 | |
4917 | /* Next is the MII select sequence length and offset. */ |
4918 | tm->tm_gp_length = *cp++; |
4919 | tm->tm_gp_offset = cp - &sc->sc_srom[0]; |
4920 | cp += tm->tm_gp_length * 2; |
4921 | |
4922 | /* Next is the MII reset sequence length and offset. */ |
4923 | tm->tm_reset_length = *cp++; |
4924 | tm->tm_reset_offset = cp - &sc->sc_srom[0]; |
4925 | cp += tm->tm_reset_length * 2; |
4926 | |
4927 | /* |
4928 | * The following items are left in the media block |
4929 | * that we don't particularly care about: |
4930 | * |
4931 | * capabilities W |
4932 | * advertisement W |
4933 | * full duplex W |
4934 | * tx threshold W |
4935 | * MII interrupt W |
4936 | * |
4937 | * These appear to be bits in the PHY registers, |
4938 | * which our MII code handles on its own. |
4939 | */ |
4940 | |
4941 | /* |
4942 | * Before we probe the MII bus, we need to reset |
4943 | * it and issue the selection sequence. |
4944 | */ |
4945 | |
4946 | cp = &sc->sc_srom[tm->tm_reset_offset]; |
4947 | for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { |
4948 | delay(10); |
4949 | TULIP_WRITE(sc, CSR_SIAGEN, |
4950 | TULIP_ROM_GETW(cp, 0) << 16); |
4951 | } |
4952 | |
4953 | cp = &sc->sc_srom[tm->tm_gp_offset]; |
4954 | for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { |
4955 | delay(10); |
4956 | TULIP_WRITE(sc, CSR_SIAGEN, |
4957 | TULIP_ROM_GETW(cp, 0) << 16); |
4958 | } |
4959 | |
4960 | /* If there were no sequences, just lower the pins. */ |
4961 | if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { |
4962 | delay(10); |
4963 | TULIP_WRITE(sc, CSR_SIAGEN, 0); |
4964 | } |
4965 | |
4966 | /* |
4967 | * Now, probe the MII for the PHY. Note, we know |
4968 | * the location of the PHY on the bus, but we don't |
4969 | * particularly care; the MII code just likes to |
4970 | * search the whole thing anyhow. |
4971 | */ |
4972 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, |
4973 | MII_PHY_ANY, tm->tm_phyno, 0); |
4974 | |
4975 | /* |
4976 | * Now, search for the PHY we hopefully just |
4977 | * configured. If it's not configured into the |
4978 | * kernel, we lose. The PHY's default media always |
4979 | * takes priority. |
4980 | */ |
4981 | LIST_FOREACH(phy, &sc->sc_mii.mii_phys, mii_list) { |
4982 | if (phy->mii_offset == tm->tm_phyno) |
4983 | break; |
4984 | } |
4985 | if (phy == NULL) { |
4986 | aprint_error_dev(sc->sc_dev, |
4987 | "unable to configure MII\n" ); |
4988 | break; |
4989 | } |
4990 | |
4991 | sc->sc_flags |= TULIPF_HAS_MII; |
4992 | sc->sc_tick = tlp_mii_tick; |
4993 | miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, |
4994 | phy->mii_inst); |
4995 | |
4996 | /* |
4997 | * Okay, now that we've found the PHY and the MII |
4998 | * layer has added all of the media associated |
4999 | * with that PHY, we need to traverse the media |
5000 | * list, and add our `tm' to each entry's `aux' |
5001 | * pointer. |
5002 | * |
5003 | * We do this by looking for media with our |
5004 | * PHY's `instance'. |
5005 | */ |
5006 | TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, |
5007 | ifm_list) { |
5008 | if (IFM_INST(ife->ifm_media) != phy->mii_inst) |
5009 | continue; |
5010 | ife->ifm_aux = tm; |
5011 | } |
5012 | break; |
5013 | |
5014 | case TULIP_ROM_MB_21143_SYM: |
5015 | tlp_get_minst(sc); |
5016 | sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; |
5017 | |
5018 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
5019 | |
5020 | tm->tm_type = TULIP_ROM_MB_21143_SYM; |
5021 | tm->tm_get = tlp_sia_get; |
5022 | tm->tm_set = tlp_sia_set; |
5023 | |
5024 | /* First is the media type code. */ |
5025 | tsti = tlp_srom_to_ifmedia(cp[0] & |
5026 | TULIP_ROM_MB_MEDIA_CODE); |
5027 | if (tsti == NULL) { |
5028 | /* Invalid media code. */ |
5029 | free(tm, M_DEVBUF); |
5030 | break; |
5031 | } |
5032 | |
5033 | /* Get defaults. */ |
5034 | tlp_srom_media_info(sc, tsti, tm); |
5035 | |
5036 | /* Next is GPIO control/data. */ |
5037 | tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; |
5038 | tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; |
5039 | |
5040 | /* |
5041 | * Next is a word containing OPMODE information |
5042 | * and info on how to detect if this media is |
5043 | * active. |
5044 | */ |
5045 | word = TULIP_ROM_GETW(cp, 5); |
5046 | tm->tm_opmode &= OPMODE_FD; |
5047 | tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); |
5048 | if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { |
5049 | tm->tm_actmask = |
5050 | TULIP_ROM_MB_BITPOS(word); |
5051 | tm->tm_actdata = |
5052 | (word & TULIP_ROM_MB_POLARITY) ? |
5053 | 0 : tm->tm_actmask; |
5054 | } |
5055 | |
5056 | ifmedia_add(&sc->sc_mii.mii_media, |
5057 | IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, |
5058 | tsti->tsti_options, sc->sc_tlp_minst), 0, tm); |
5059 | break; |
5060 | |
5061 | case TULIP_ROM_MB_21143_RESET: |
5062 | aprint_normal_dev(sc->sc_dev, "21143 reset block\n" ); |
5063 | break; |
5064 | |
5065 | default: |
5066 | aprint_error_dev(sc->sc_dev, |
5067 | "unknown ISV media block type 0x%02x\n" , type); |
5068 | } |
5069 | } |
5070 | |
5071 | /* |
5072 | * Deal with the case where no media is configured. |
5073 | */ |
5074 | if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { |
5075 | aprint_error_dev(sc->sc_dev, "no media found!\n" ); |
5076 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); |
5077 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
5078 | return; |
5079 | } |
5080 | |
5081 | /* |
5082 | * Pick the default media. |
5083 | */ |
5084 | if (miidef != 0) |
5085 | defmedia = miidef; |
5086 | else { |
5087 | switch (sc->sc_chip) { |
5088 | case TULIP_CHIP_21140: |
5089 | case TULIP_CHIP_21140A: |
5090 | /* XXX should come from SROM */ |
5091 | defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); |
5092 | if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, |
5093 | sc->sc_mii.mii_media.ifm_mask) == NULL) { |
5094 | /* |
5095 | * There is not a 10baseT media. |
5096 | * Fall back to the first found one. |
5097 | */ |
5098 | ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); |
5099 | defmedia = ife->ifm_media; |
5100 | } |
5101 | break; |
5102 | |
5103 | case TULIP_CHIP_21142: |
5104 | case TULIP_CHIP_21143: |
5105 | case TULIP_CHIP_MX98713A: |
5106 | case TULIP_CHIP_MX98715: |
5107 | case TULIP_CHIP_MX98715A: |
5108 | case TULIP_CHIP_MX98715AEC_X: |
5109 | case TULIP_CHIP_MX98725: |
5110 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
5111 | tm->tm_name = "auto" ; |
5112 | tm->tm_get = tlp_2114x_nway_get; |
5113 | tm->tm_set = tlp_2114x_nway_set; |
5114 | |
5115 | defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); |
5116 | ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); |
5117 | |
5118 | sc->sc_statchg = tlp_2114x_nway_statchg; |
5119 | sc->sc_tick = tlp_2114x_nway_tick; |
5120 | break; |
5121 | |
5122 | default: |
5123 | defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); |
5124 | break; |
5125 | } |
5126 | } |
5127 | |
5128 | ifmedia_set(&sc->sc_mii.mii_media, defmedia); |
5129 | |
5130 | /* |
5131 | * Display any non-MII media we've located. |
5132 | */ |
5133 | if (sc->sc_media_seen & |
5134 | ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) |
5135 | tlp_print_media(sc); |
5136 | |
5137 | tlp_sia_fixup(sc); |
5138 | } |
5139 | |
5140 | static void |
5141 | tlp_2114x_nway_get(struct tulip_softc *sc, struct ifmediareq *ifmr) |
5142 | { |
5143 | |
5144 | (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); |
5145 | ifmr->ifm_status = sc->sc_mii.mii_media_status; |
5146 | ifmr->ifm_active = sc->sc_mii.mii_media_active; |
5147 | } |
5148 | |
5149 | static int |
5150 | tlp_2114x_nway_set(struct tulip_softc *sc) |
5151 | { |
5152 | |
5153 | return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); |
5154 | } |
5155 | |
5156 | static void |
5157 | tlp_2114x_nway_statchg(struct ifnet *ifp) |
5158 | { |
5159 | struct tulip_softc *sc = ifp->if_softc; |
5160 | struct mii_data *mii = &sc->sc_mii; |
5161 | struct ifmedia_entry *ife; |
5162 | |
5163 | if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) |
5164 | return; |
5165 | |
5166 | if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, |
5167 | mii->mii_media.ifm_mask)) == NULL) { |
5168 | printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n" , |
5169 | mii->mii_media_active, ~mii->mii_media.ifm_mask); |
5170 | panic("tlp_2114x_nway_statchg" ); |
5171 | } |
5172 | |
5173 | tlp_sia_media(sc, ife); |
5174 | } |
5175 | |
5176 | static void |
5177 | tlp_2114x_nway_tick(void *arg) |
5178 | { |
5179 | struct tulip_softc *sc = arg; |
5180 | struct mii_data *mii = &sc->sc_mii; |
5181 | int s, ticks; |
5182 | |
5183 | if (!device_is_active(sc->sc_dev)) |
5184 | return; |
5185 | |
5186 | s = splnet(); |
5187 | tlp_2114x_nway_service(sc, MII_TICK); |
5188 | if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && |
5189 | (mii->mii_media_status & IFM_ACTIVE) != 0 && |
5190 | IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { |
5191 | sc->sc_flags |= TULIPF_LINK_UP; |
5192 | tlp_start(&sc->sc_ethercom.ec_if); |
5193 | } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && |
5194 | (mii->mii_media_status & IFM_ACTIVE) == 0) { |
5195 | sc->sc_flags &= ~TULIPF_LINK_UP; |
5196 | } |
5197 | splx(s); |
5198 | |
5199 | if ((sc->sc_flags & TULIPF_LINK_UP) == 0) |
5200 | ticks = hz >> 3; |
5201 | else |
5202 | ticks = hz; |
5203 | callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); |
5204 | } |
5205 | |
5206 | /* |
5207 | * Support for the 2114X internal NWay block. This is constructed |
5208 | * somewhat like a PHY driver for simplicity. |
5209 | */ |
5210 | |
5211 | static int |
5212 | tlp_2114x_nway_service(struct tulip_softc *sc, int cmd) |
5213 | { |
5214 | struct mii_data *mii = &sc->sc_mii; |
5215 | struct ifmedia_entry *ife = mii->mii_media.ifm_cur; |
5216 | |
5217 | if ((mii->mii_ifp->if_flags & IFF_UP) == 0) |
5218 | return (0); |
5219 | |
5220 | switch (cmd) { |
5221 | case MII_POLLSTAT: |
5222 | /* Nothing special to do here. */ |
5223 | break; |
5224 | |
5225 | case MII_MEDIACHG: |
5226 | switch (IFM_SUBTYPE(ife->ifm_media)) { |
5227 | case IFM_AUTO: |
5228 | goto restart; |
5229 | default: |
5230 | /* Manual setting doesn't go through here. */ |
5231 | printf("tlp_2114x_nway_service: oops!\n" ); |
5232 | return (EINVAL); |
5233 | } |
5234 | break; |
5235 | |
5236 | case MII_TICK: |
5237 | /* |
5238 | * Only used for autonegotiation. |
5239 | */ |
5240 | if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) |
5241 | break; |
5242 | |
5243 | /* |
5244 | * Check to see if we have link. If we do, we don't |
5245 | * need to restart the autonegotiation process. |
5246 | */ |
5247 | #if 0 |
5248 | if (mii->mii_media_status & IFM_ACTIVE) |
5249 | #else |
5250 | if (sc->sc_flags & TULIPF_LINK_UP) |
5251 | #endif |
5252 | break; |
5253 | |
5254 | /* |
5255 | * Only retry autonegotiation every 5 seconds. |
5256 | */ |
5257 | if (++sc->sc_nway_ticks != (5 << 3)) |
5258 | break; |
5259 | |
5260 | restart: |
5261 | sc->sc_nway_ticks = 0; |
5262 | ife->ifm_data = IFM_NONE; |
5263 | tlp_2114x_nway_auto(sc); |
5264 | break; |
5265 | } |
5266 | |
5267 | /* Update the media status. */ |
5268 | tlp_2114x_nway_status(sc); |
5269 | |
5270 | /* |
5271 | * Callback if something changed. Manually configuration goes through |
5272 | * tlp_sia_set() anyway, so ignore that here. |
5273 | */ |
5274 | if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && |
5275 | ife->ifm_data != mii->mii_media_active) { |
5276 | (*sc->sc_statchg)(mii->mii_ifp); |
5277 | ife->ifm_data = mii->mii_media_active; |
5278 | } |
5279 | return (0); |
5280 | } |
5281 | |
5282 | static void |
5283 | tlp_2114x_nway_auto(struct tulip_softc *sc) |
5284 | { |
5285 | uint32_t siastat, siatxrx; |
5286 | |
5287 | tlp_idle(sc, OPMODE_ST|OPMODE_SR); |
5288 | |
5289 | sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); |
5290 | sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; |
5291 | siatxrx = 0xffbf; /* XXX magic number */ |
5292 | |
5293 | /* Compute the link code word to advertise. */ |
5294 | if (sc->sc_sia_cap & BMSR_100T4) |
5295 | siatxrx |= SIATXRX_T4; |
5296 | if (sc->sc_sia_cap & BMSR_100TXFDX) |
5297 | siatxrx |= SIATXRX_TXF; |
5298 | if (sc->sc_sia_cap & BMSR_100TXHDX) |
5299 | siatxrx |= SIATXRX_THX; |
5300 | if (sc->sc_sia_cap & BMSR_10TFDX) |
5301 | sc->sc_opmode |= OPMODE_FD; |
5302 | if (sc->sc_sia_cap & BMSR_10THDX) |
5303 | siatxrx |= SIATXRX_TH; |
5304 | |
5305 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
5306 | |
5307 | TULIP_WRITE(sc, CSR_SIACONN, 0); |
5308 | delay(1000); |
5309 | TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); |
5310 | TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); |
5311 | |
5312 | siastat = TULIP_READ(sc, CSR_SIASTAT); |
5313 | siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| |
5314 | SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); |
5315 | siastat |= SIASTAT_ANS_TXDIS; |
5316 | TULIP_WRITE(sc, CSR_SIASTAT, siastat); |
5317 | } |
5318 | |
5319 | static void |
5320 | tlp_2114x_nway_status(struct tulip_softc *sc) |
5321 | { |
5322 | struct mii_data *mii = &sc->sc_mii; |
5323 | uint32_t siatxrx, siastat, anlpar; |
5324 | |
5325 | mii->mii_media_status = IFM_AVALID; |
5326 | mii->mii_media_active = IFM_ETHER; |
5327 | |
5328 | if ((mii->mii_ifp->if_flags & IFF_UP) == 0) |
5329 | return; |
5330 | |
5331 | siastat = TULIP_READ(sc, CSR_SIASTAT); |
5332 | siatxrx = TULIP_READ(sc, CSR_SIATXRX); |
5333 | |
5334 | if (siatxrx & SIATXRX_ANE) { |
5335 | if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { |
5336 | /* Erg, still trying, I guess... */ |
5337 | mii->mii_media_active |= IFM_NONE; |
5338 | return; |
5339 | } |
5340 | |
5341 | if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) |
5342 | mii->mii_media_status |= IFM_ACTIVE; |
5343 | |
5344 | if (siastat & SIASTAT_LPN) { |
5345 | anlpar = SIASTAT_GETLPC(siastat); |
5346 | if (anlpar & ANLPAR_T4 && |
5347 | sc->sc_sia_cap & BMSR_100T4) |
5348 | mii->mii_media_active |= IFM_100_T4; |
5349 | else if (anlpar & ANLPAR_TX_FD && |
5350 | sc->sc_sia_cap & BMSR_100TXFDX) |
5351 | mii->mii_media_active |= IFM_100_TX|IFM_FDX; |
5352 | else if (anlpar & ANLPAR_TX && |
5353 | sc->sc_sia_cap & BMSR_100TXHDX) |
5354 | mii->mii_media_active |= IFM_100_TX; |
5355 | else if (anlpar & ANLPAR_10_FD && |
5356 | sc->sc_sia_cap & BMSR_10TFDX) |
5357 | mii->mii_media_active |= IFM_10_T|IFM_FDX; |
5358 | else if (anlpar & ANLPAR_10 && |
5359 | sc->sc_sia_cap & BMSR_10THDX) |
5360 | mii->mii_media_active |= IFM_10_T; |
5361 | else |
5362 | mii->mii_media_active |= IFM_NONE; |
5363 | } else { |
5364 | /* |
5365 | * If the other side doesn't support NWAY, then the |
5366 | * best we can do is determine if we have a 10Mbps or |
5367 | * 100Mbps link. There's no way to know if the link |
5368 | * is full or half duplex, so we default to half duplex |
5369 | * and hope that the user is clever enough to manually |
5370 | * change the media settings if we're wrong. |
5371 | */ |
5372 | if ((siastat & SIASTAT_LS100) == 0) |
5373 | mii->mii_media_active |= IFM_100_TX; |
5374 | else if ((siastat & SIASTAT_LS10) == 0) |
5375 | mii->mii_media_active |= IFM_10_T; |
5376 | else |
5377 | mii->mii_media_active |= IFM_NONE; |
5378 | } |
5379 | } else { |
5380 | if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) |
5381 | mii->mii_media_status |= IFM_ACTIVE; |
5382 | |
5383 | if (sc->sc_opmode & OPMODE_TTM) |
5384 | mii->mii_media_active |= IFM_10_T; |
5385 | else |
5386 | mii->mii_media_active |= IFM_100_TX; |
5387 | if (sc->sc_opmode & OPMODE_FD) |
5388 | mii->mii_media_active |= IFM_FDX; |
5389 | } |
5390 | } |
5391 | |
5392 | static void |
5393 | tlp_2114x_isv_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) |
5394 | { |
5395 | struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; |
5396 | struct tulip_21x4x_media *tm = ife->ifm_aux; |
5397 | |
5398 | (*tm->tm_get)(sc, ifmr); |
5399 | } |
5400 | |
5401 | static int |
5402 | tlp_2114x_isv_tmsw_set(struct tulip_softc *sc) |
5403 | { |
5404 | struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; |
5405 | struct tulip_21x4x_media *tm = ife->ifm_aux; |
5406 | |
5407 | /* |
5408 | * Check to see if we need to reset the chip, and do it. The |
5409 | * reset path will get the OPMODE register right the next |
5410 | * time through. |
5411 | */ |
5412 | if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) |
5413 | return (tlp_init(&sc->sc_ethercom.ec_if)); |
5414 | |
5415 | return ((*tm->tm_set)(sc)); |
5416 | } |
5417 | |
5418 | /* |
5419 | * MII-on-SIO media switch. Handles only MII attached to the SIO. |
5420 | */ |
5421 | static void tlp_sio_mii_tmsw_init(struct tulip_softc *); |
5422 | |
5423 | const struct tulip_mediasw tlp_sio_mii_mediasw = { |
5424 | tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia |
5425 | }; |
5426 | |
5427 | static void |
5428 | tlp_sio_mii_tmsw_init(struct tulip_softc *sc) |
5429 | { |
5430 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
5431 | |
5432 | /* |
5433 | * We don't attach any media info structures to the ifmedia |
5434 | * entries, so if we're using a pre-init function that needs |
5435 | * that info, override it to one that doesn't. |
5436 | */ |
5437 | if (sc->sc_preinit == tlp_2114x_preinit) |
5438 | sc->sc_preinit = tlp_2114x_mii_preinit; |
5439 | |
5440 | sc->sc_mii.mii_ifp = ifp; |
5441 | sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; |
5442 | sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; |
5443 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
5444 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
5445 | tlp_mediastatus); |
5446 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, |
5447 | MII_OFFSET_ANY, 0); |
5448 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
5449 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); |
5450 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
5451 | } else { |
5452 | sc->sc_flags |= TULIPF_HAS_MII; |
5453 | sc->sc_tick = tlp_mii_tick; |
5454 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
5455 | } |
5456 | } |
5457 | |
5458 | /* |
5459 | * Lite-On PNIC media switch. Must handle MII or internal NWAY. |
5460 | */ |
5461 | static void tlp_pnic_tmsw_init(struct tulip_softc *); |
5462 | static void tlp_pnic_tmsw_get(struct tulip_softc *, struct ifmediareq *); |
5463 | static int tlp_pnic_tmsw_set(struct tulip_softc *); |
5464 | |
5465 | const struct tulip_mediasw tlp_pnic_mediasw = { |
5466 | tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set |
5467 | }; |
5468 | |
5469 | static void tlp_pnic_nway_statchg(struct ifnet *); |
5470 | static void tlp_pnic_nway_tick(void *); |
5471 | static int tlp_pnic_nway_service(struct tulip_softc *, int); |
5472 | static void tlp_pnic_nway_reset(struct tulip_softc *); |
5473 | static int tlp_pnic_nway_auto(struct tulip_softc *, int); |
5474 | static void tlp_pnic_nway_auto_timeout(void *); |
5475 | static void tlp_pnic_nway_status(struct tulip_softc *); |
5476 | static void tlp_pnic_nway_acomp(struct tulip_softc *); |
5477 | |
5478 | static void |
5479 | tlp_pnic_tmsw_init(struct tulip_softc *sc) |
5480 | { |
5481 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
5482 | const char *sep = "" ; |
5483 | |
5484 | #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) |
5485 | #define PRINT(str) aprint_normal("%s%s", sep, str); sep = ", " |
5486 | |
5487 | sc->sc_mii.mii_ifp = ifp; |
5488 | sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; |
5489 | sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; |
5490 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
5491 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
5492 | tlp_mediastatus); |
5493 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, |
5494 | MII_OFFSET_ANY, 0); |
5495 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
5496 | /* XXX What about AUI/BNC support? */ |
5497 | aprint_normal_dev(sc->sc_dev, "" ); |
5498 | |
5499 | tlp_pnic_nway_reset(sc); |
5500 | |
5501 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), |
5502 | PNIC_NWAY_TW|PNIC_NWAY_CAP10T); |
5503 | PRINT("10baseT" ); |
5504 | |
5505 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), |
5506 | PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); |
5507 | PRINT("10baseT-FDX" ); |
5508 | |
5509 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), |
5510 | PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); |
5511 | PRINT("100baseTX" ); |
5512 | |
5513 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), |
5514 | PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| |
5515 | PNIC_NWAY_CAP100TXFDX); |
5516 | PRINT("100baseTX-FDX" ); |
5517 | |
5518 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), |
5519 | PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| |
5520 | PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| |
5521 | PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); |
5522 | PRINT("auto" ); |
5523 | |
5524 | aprint_normal("\n" ); |
5525 | |
5526 | sc->sc_statchg = tlp_pnic_nway_statchg; |
5527 | sc->sc_tick = tlp_pnic_nway_tick; |
5528 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
5529 | } else { |
5530 | sc->sc_flags |= TULIPF_HAS_MII; |
5531 | sc->sc_tick = tlp_mii_tick; |
5532 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
5533 | } |
5534 | |
5535 | #undef ADD |
5536 | #undef PRINT |
5537 | } |
5538 | |
5539 | static void |
5540 | tlp_pnic_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) |
5541 | { |
5542 | struct mii_data *mii = &sc->sc_mii; |
5543 | |
5544 | if (sc->sc_flags & TULIPF_HAS_MII) |
5545 | tlp_mii_getmedia(sc, ifmr); |
5546 | else { |
5547 | mii->mii_media_status = 0; |
5548 | mii->mii_media_active = IFM_NONE; |
5549 | tlp_pnic_nway_service(sc, MII_POLLSTAT); |
5550 | ifmr->ifm_status = sc->sc_mii.mii_media_status; |
5551 | ifmr->ifm_active = sc->sc_mii.mii_media_active; |
5552 | } |
5553 | } |
5554 | |
5555 | static int |
5556 | tlp_pnic_tmsw_set(struct tulip_softc *sc) |
5557 | { |
5558 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
5559 | struct mii_data *mii = &sc->sc_mii; |
5560 | |
5561 | if (sc->sc_flags & TULIPF_HAS_MII) { |
5562 | /* |
5563 | * Make sure the built-in Tx jabber timer is disabled. |
5564 | */ |
5565 | TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); |
5566 | |
5567 | return (tlp_mii_setmedia(sc)); |
5568 | } |
5569 | |
5570 | if (ifp->if_flags & IFF_UP) { |
5571 | mii->mii_media_status = 0; |
5572 | mii->mii_media_active = IFM_NONE; |
5573 | return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); |
5574 | } |
5575 | |
5576 | return (0); |
5577 | } |
5578 | |
5579 | static void |
5580 | tlp_pnic_nway_statchg(struct ifnet *ifp) |
5581 | { |
5582 | struct tulip_softc *sc = ifp->if_softc; |
5583 | |
5584 | /* Idle the transmit and receive processes. */ |
5585 | tlp_idle(sc, OPMODE_ST|OPMODE_SR); |
5586 | |
5587 | sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| |
5588 | OPMODE_SCR|OPMODE_HBD); |
5589 | |
5590 | if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { |
5591 | sc->sc_opmode |= OPMODE_TTM; |
5592 | TULIP_WRITE(sc, CSR_GPP, |
5593 | GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | |
5594 | GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); |
5595 | } else { |
5596 | sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; |
5597 | TULIP_WRITE(sc, CSR_GPP, |
5598 | GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | |
5599 | GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); |
5600 | } |
5601 | |
5602 | if (sc->sc_mii.mii_media_active & IFM_FDX) |
5603 | sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; |
5604 | |
5605 | /* |
5606 | * Write new OPMODE bits. This also restarts the transmit |
5607 | * and receive processes. |
5608 | */ |
5609 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
5610 | } |
5611 | |
5612 | static void |
5613 | tlp_pnic_nway_tick(void *arg) |
5614 | { |
5615 | struct tulip_softc *sc = arg; |
5616 | int s; |
5617 | |
5618 | if (!device_is_active(sc->sc_dev)) |
5619 | return; |
5620 | |
5621 | s = splnet(); |
5622 | tlp_pnic_nway_service(sc, MII_TICK); |
5623 | splx(s); |
5624 | |
5625 | callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); |
5626 | } |
5627 | |
5628 | /* |
5629 | * Support for the Lite-On PNIC internal NWay block. This is constructed |
5630 | * somewhat like a PHY driver for simplicity. |
5631 | */ |
5632 | |
5633 | static int |
5634 | tlp_pnic_nway_service(struct tulip_softc *sc, int cmd) |
5635 | { |
5636 | struct mii_data *mii = &sc->sc_mii; |
5637 | struct ifmedia_entry *ife = mii->mii_media.ifm_cur; |
5638 | |
5639 | if ((mii->mii_ifp->if_flags & IFF_UP) == 0) |
5640 | return (0); |
5641 | |
5642 | switch (cmd) { |
5643 | case MII_POLLSTAT: |
5644 | /* Nothing special to do here. */ |
5645 | break; |
5646 | |
5647 | case MII_MEDIACHG: |
5648 | switch (IFM_SUBTYPE(ife->ifm_media)) { |
5649 | case IFM_AUTO: |
5650 | (void) tlp_pnic_nway_auto(sc, 1); |
5651 | break; |
5652 | case IFM_100_T4: |
5653 | /* |
5654 | * XXX Not supported as a manual setting right now. |
5655 | */ |
5656 | return (EINVAL); |
5657 | default: |
5658 | /* |
5659 | * NWAY register data is stored in the ifmedia entry. |
5660 | */ |
5661 | TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); |
5662 | } |
5663 | break; |
5664 | |
5665 | case MII_TICK: |
5666 | /* |
5667 | * Only used for autonegotiation. |
5668 | */ |
5669 | if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) |
5670 | return (0); |
5671 | |
5672 | /* |
5673 | * Check to see if we have link. If we do, we don't |
5674 | * need to restart the autonegotiation process. |
5675 | */ |
5676 | if (sc->sc_flags & TULIPF_LINK_UP) |
5677 | return (0); |
5678 | |
5679 | /* |
5680 | * Only retry autonegotiation every 5 seconds. |
5681 | */ |
5682 | if (++sc->sc_nway_ticks != 5) |
5683 | return (0); |
5684 | |
5685 | sc->sc_nway_ticks = 0; |
5686 | tlp_pnic_nway_reset(sc); |
5687 | if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) |
5688 | return (0); |
5689 | break; |
5690 | } |
5691 | |
5692 | /* Update the media status. */ |
5693 | tlp_pnic_nway_status(sc); |
5694 | |
5695 | /* Callback if something changed. */ |
5696 | if ((sc->sc_nway_active == NULL || |
5697 | sc->sc_nway_active->ifm_media != mii->mii_media_active) || |
5698 | cmd == MII_MEDIACHG) { |
5699 | (*sc->sc_statchg)(mii->mii_ifp); |
5700 | tlp_nway_activate(sc, mii->mii_media_active); |
5701 | } |
5702 | return (0); |
5703 | } |
5704 | |
5705 | static void |
5706 | tlp_pnic_nway_reset(struct tulip_softc *sc) |
5707 | { |
5708 | |
5709 | TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); |
5710 | delay(100); |
5711 | TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); |
5712 | } |
5713 | |
5714 | static int |
5715 | tlp_pnic_nway_auto(struct tulip_softc *sc, int waitfor) |
5716 | { |
5717 | struct mii_data *mii = &sc->sc_mii; |
5718 | struct ifmedia_entry *ife = mii->mii_media.ifm_cur; |
5719 | uint32_t reg; |
5720 | int i; |
5721 | |
5722 | if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) |
5723 | TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); |
5724 | |
5725 | if (waitfor) { |
5726 | /* Wait 500ms for it to complete. */ |
5727 | for (i = 0; i < 500; i++) { |
5728 | reg = TULIP_READ(sc, CSR_PNIC_NWAY); |
5729 | if (reg & PNIC_NWAY_LPAR_MASK) { |
5730 | tlp_pnic_nway_acomp(sc); |
5731 | return (0); |
5732 | } |
5733 | delay(1000); |
5734 | } |
5735 | #if 0 |
5736 | if ((reg & PNIC_NWAY_LPAR_MASK) == 0) |
5737 | aprint_error_dev(sc->sc_dev, |
5738 | "autonegotiation failed to complete\n" ); |
5739 | #endif |
5740 | |
5741 | /* |
5742 | * Don't need to worry about clearing DOINGAUTO. |
5743 | * If that's set, a timeout is pending, and it will |
5744 | * clear the flag. |
5745 | */ |
5746 | return (EIO); |
5747 | } |
5748 | |
5749 | /* |
5750 | * Just let it finish asynchronously. This is for the benefit of |
5751 | * the tick handler driving autonegotiation. Don't want 500ms |
5752 | * delays all the time while the system is running! |
5753 | */ |
5754 | if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { |
5755 | sc->sc_flags |= TULIPF_DOINGAUTO; |
5756 | callout_reset(&sc->sc_nway_callout, hz >> 1, |
5757 | tlp_pnic_nway_auto_timeout, sc); |
5758 | } |
5759 | return (EJUSTRETURN); |
5760 | } |
5761 | |
5762 | static void |
5763 | tlp_pnic_nway_auto_timeout(void *arg) |
5764 | { |
5765 | struct tulip_softc *sc = arg; |
5766 | /* uint32_t reg; */ |
5767 | int s; |
5768 | |
5769 | s = splnet(); |
5770 | sc->sc_flags &= ~TULIPF_DOINGAUTO; |
5771 | /* reg = */ |
5772 | TULIP_READ(sc, CSR_PNIC_NWAY); |
5773 | #if 0 |
5774 | if ((reg & PNIC_NWAY_LPAR_MASK) == 0) |
5775 | aprint_error_dev(sc->sc_dev, |
5776 | "autonegotiation failed to complete\n" ); |
5777 | #endif |
5778 | |
5779 | tlp_pnic_nway_acomp(sc); |
5780 | |
5781 | /* Update the media status. */ |
5782 | (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); |
5783 | splx(s); |
5784 | } |
5785 | |
5786 | static void |
5787 | tlp_pnic_nway_status(struct tulip_softc *sc) |
5788 | { |
5789 | struct mii_data *mii = &sc->sc_mii; |
5790 | uint32_t reg; |
5791 | |
5792 | mii->mii_media_status = IFM_AVALID; |
5793 | mii->mii_media_active = IFM_ETHER; |
5794 | |
5795 | reg = TULIP_READ(sc, CSR_PNIC_NWAY); |
5796 | |
5797 | if (sc->sc_flags & TULIPF_LINK_UP) |
5798 | mii->mii_media_status |= IFM_ACTIVE; |
5799 | |
5800 | if (reg & PNIC_NWAY_NW) { |
5801 | if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { |
5802 | /* Erg, still trying, I guess... */ |
5803 | mii->mii_media_active |= IFM_NONE; |
5804 | return; |
5805 | } |
5806 | |
5807 | #if 0 |
5808 | if (reg & PNIC_NWAY_LPAR100T4) |
5809 | mii->mii_media_active |= IFM_100_T4; |
5810 | else |
5811 | #endif |
5812 | if (reg & PNIC_NWAY_LPAR100TXFDX) |
5813 | mii->mii_media_active |= IFM_100_TX|IFM_FDX; |
5814 | else if (reg & PNIC_NWAY_LPAR100TX) |
5815 | mii->mii_media_active |= IFM_100_TX; |
5816 | else if (reg & PNIC_NWAY_LPAR10TFDX) |
5817 | mii->mii_media_active |= IFM_10_T|IFM_FDX; |
5818 | else if (reg & PNIC_NWAY_LPAR10T) |
5819 | mii->mii_media_active |= IFM_10_T; |
5820 | else |
5821 | mii->mii_media_active |= IFM_NONE; |
5822 | } else { |
5823 | if (reg & PNIC_NWAY_100) |
5824 | mii->mii_media_active |= IFM_100_TX; |
5825 | else |
5826 | mii->mii_media_active |= IFM_10_T; |
5827 | if (reg & PNIC_NWAY_FD) |
5828 | mii->mii_media_active |= IFM_FDX; |
5829 | } |
5830 | } |
5831 | |
5832 | static void |
5833 | tlp_pnic_nway_acomp(struct tulip_softc *sc) |
5834 | { |
5835 | uint32_t reg; |
5836 | |
5837 | reg = TULIP_READ(sc, CSR_PNIC_NWAY); |
5838 | reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); |
5839 | |
5840 | if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) |
5841 | reg |= PNIC_NWAY_100; |
5842 | if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) |
5843 | reg |= PNIC_NWAY_FD; |
5844 | |
5845 | TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); |
5846 | } |
5847 | |
5848 | /* |
5849 | * Macronix PMAC and Lite-On PNIC-II media switch: |
5850 | * |
5851 | * MX98713 and MX98713A 21140-like MII or GPIO media. |
5852 | * |
5853 | * MX98713A 21143-like MII or SIA/SYM media. |
5854 | * |
5855 | * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. |
5856 | * 82C115, MX98715AEC-C, -E |
5857 | * |
5858 | * So, what we do here is fake MII-on-SIO or ISV media info, and |
5859 | * use the ISV media switch get/set functions to handle the rest. |
5860 | */ |
5861 | |
5862 | static void tlp_pmac_tmsw_init(struct tulip_softc *); |
5863 | |
5864 | const struct tulip_mediasw tlp_pmac_mediasw = { |
5865 | tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set |
5866 | }; |
5867 | |
5868 | const struct tulip_mediasw tlp_pmac_mii_mediasw = { |
5869 | tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia |
5870 | }; |
5871 | |
5872 | static void |
5873 | tlp_pmac_tmsw_init(struct tulip_softc *sc) |
5874 | { |
5875 | static const uint8_t media[] = { |
5876 | TULIP_ROM_MB_MEDIA_TP, |
5877 | TULIP_ROM_MB_MEDIA_TP_FDX, |
5878 | TULIP_ROM_MB_MEDIA_100TX, |
5879 | TULIP_ROM_MB_MEDIA_100TX_FDX, |
5880 | }; |
5881 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
5882 | struct tulip_21x4x_media *tm; |
5883 | |
5884 | sc->sc_mii.mii_ifp = ifp; |
5885 | sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; |
5886 | sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; |
5887 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
5888 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
5889 | tlp_mediastatus); |
5890 | if (sc->sc_chip == TULIP_CHIP_MX98713 || |
5891 | sc->sc_chip == TULIP_CHIP_MX98713A) { |
5892 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, |
5893 | MII_PHY_ANY, MII_OFFSET_ANY, 0); |
5894 | if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { |
5895 | sc->sc_flags |= TULIPF_HAS_MII; |
5896 | sc->sc_tick = tlp_mii_tick; |
5897 | sc->sc_preinit = tlp_2114x_mii_preinit; |
5898 | sc->sc_mediasw = &tlp_pmac_mii_mediasw; |
5899 | ifmedia_set(&sc->sc_mii.mii_media, |
5900 | IFM_ETHER|IFM_AUTO); |
5901 | return; |
5902 | } |
5903 | } |
5904 | |
5905 | switch (sc->sc_chip) { |
5906 | case TULIP_CHIP_MX98713: |
5907 | tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, |
5908 | tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); |
5909 | |
5910 | /* |
5911 | * XXX Should implement auto-sense for this someday, |
5912 | * XXX when we do the same for the 21140. |
5913 | */ |
5914 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); |
5915 | break; |
5916 | |
5917 | default: |
5918 | tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, |
5919 | tlp_sia_get, tlp_sia_set, media, 2); |
5920 | tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, |
5921 | tlp_sia_get, tlp_sia_set, media + 2, 2); |
5922 | |
5923 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
5924 | tm->tm_name = "auto" ; |
5925 | tm->tm_get = tlp_2114x_nway_get; |
5926 | tm->tm_set = tlp_2114x_nway_set; |
5927 | ifmedia_add(&sc->sc_mii.mii_media, |
5928 | IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); |
5929 | |
5930 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
5931 | sc->sc_statchg = tlp_2114x_nway_statchg; |
5932 | sc->sc_tick = tlp_2114x_nway_tick; |
5933 | break; |
5934 | } |
5935 | |
5936 | tlp_print_media(sc); |
5937 | tlp_sia_fixup(sc); |
5938 | |
5939 | /* Set the LED modes. */ |
5940 | tlp_pmac_reset(sc); |
5941 | |
5942 | sc->sc_reset = tlp_pmac_reset; |
5943 | } |
5944 | |
5945 | /* |
5946 | * ADMtek AL981 media switch. Only has internal PHY. |
5947 | */ |
5948 | static void tlp_al981_tmsw_init(struct tulip_softc *); |
5949 | |
5950 | const struct tulip_mediasw tlp_al981_mediasw = { |
5951 | tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia |
5952 | }; |
5953 | |
5954 | static void |
5955 | tlp_al981_tmsw_init(struct tulip_softc *sc) |
5956 | { |
5957 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
5958 | |
5959 | sc->sc_mii.mii_ifp = ifp; |
5960 | sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; |
5961 | sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; |
5962 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
5963 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
5964 | tlp_mediastatus); |
5965 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, |
5966 | MII_OFFSET_ANY, 0); |
5967 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
5968 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); |
5969 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
5970 | } else { |
5971 | sc->sc_flags |= TULIPF_HAS_MII; |
5972 | sc->sc_tick = tlp_mii_tick; |
5973 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
5974 | } |
5975 | } |
5976 | |
5977 | /* |
5978 | * ADMtek AN983/985 media switch. Only has internal PHY, but |
5979 | * on an SIO-like interface. Unfortunately, we can't use the |
5980 | * standard SIO media switch, because the AN985 "ghosts" the |
5981 | * singly PHY at every address. |
5982 | */ |
5983 | static void tlp_an985_tmsw_init(struct tulip_softc *); |
5984 | |
5985 | const struct tulip_mediasw tlp_an985_mediasw = { |
5986 | tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia |
5987 | }; |
5988 | |
5989 | static void |
5990 | tlp_an985_tmsw_init(struct tulip_softc *sc) |
5991 | { |
5992 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
5993 | |
5994 | sc->sc_mii.mii_ifp = ifp; |
5995 | sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; |
5996 | sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; |
5997 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
5998 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
5999 | tlp_mediastatus); |
6000 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, |
6001 | MII_OFFSET_ANY, 0); |
6002 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
6003 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); |
6004 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
6005 | } else { |
6006 | sc->sc_flags |= TULIPF_HAS_MII; |
6007 | sc->sc_tick = tlp_mii_tick; |
6008 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
6009 | } |
6010 | } |
6011 | |
6012 | /* |
6013 | * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. |
6014 | */ |
6015 | static void tlp_dm9102_tmsw_init(struct tulip_softc *); |
6016 | static void tlp_dm9102_tmsw_getmedia(struct tulip_softc *, |
6017 | struct ifmediareq *); |
6018 | static int tlp_dm9102_tmsw_setmedia(struct tulip_softc *); |
6019 | |
6020 | const struct tulip_mediasw tlp_dm9102_mediasw = { |
6021 | tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, |
6022 | tlp_dm9102_tmsw_setmedia |
6023 | }; |
6024 | |
6025 | static void |
6026 | tlp_dm9102_tmsw_init(struct tulip_softc *sc) |
6027 | { |
6028 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
6029 | uint32_t opmode; |
6030 | |
6031 | sc->sc_mii.mii_ifp = ifp; |
6032 | sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; |
6033 | sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; |
6034 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
6035 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
6036 | tlp_mediastatus); |
6037 | |
6038 | /* PHY block already reset via tlp_reset(). */ |
6039 | |
6040 | /* |
6041 | * Configure OPMODE properly for the internal MII interface. |
6042 | */ |
6043 | switch (sc->sc_chip) { |
6044 | case TULIP_CHIP_DM9102: |
6045 | opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; |
6046 | break; |
6047 | |
6048 | case TULIP_CHIP_DM9102A: |
6049 | opmode = OPMODE_MBO|OPMODE_HBD; |
6050 | break; |
6051 | |
6052 | default: |
6053 | opmode = 0; |
6054 | break; |
6055 | } |
6056 | |
6057 | TULIP_WRITE(sc, CSR_OPMODE, opmode); |
6058 | |
6059 | /* Now, probe the internal MII for the internal PHY. */ |
6060 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, |
6061 | MII_OFFSET_ANY, 0); |
6062 | |
6063 | /* |
6064 | * XXX Figure out what to do about the HomePNA portion |
6065 | * XXX of the DM9102A. |
6066 | */ |
6067 | |
6068 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
6069 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); |
6070 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
6071 | } else { |
6072 | sc->sc_flags |= TULIPF_HAS_MII; |
6073 | sc->sc_tick = tlp_mii_tick; |
6074 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
6075 | } |
6076 | } |
6077 | |
6078 | static void |
6079 | tlp_dm9102_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) |
6080 | { |
6081 | |
6082 | /* XXX HomePNA on DM9102A. */ |
6083 | tlp_mii_getmedia(sc, ifmr); |
6084 | } |
6085 | |
6086 | static int |
6087 | tlp_dm9102_tmsw_setmedia(struct tulip_softc *sc) |
6088 | { |
6089 | |
6090 | /* XXX HomePNA on DM9102A. */ |
6091 | return (tlp_mii_setmedia(sc)); |
6092 | } |
6093 | |
6094 | /* |
6095 | * ASIX AX88140A/AX88141 media switch. Internal PHY or MII. |
6096 | */ |
6097 | |
6098 | static void tlp_asix_tmsw_init(struct tulip_softc *); |
6099 | static void tlp_asix_tmsw_getmedia(struct tulip_softc *, |
6100 | struct ifmediareq *); |
6101 | static int tlp_asix_tmsw_setmedia(struct tulip_softc *); |
6102 | |
6103 | const struct tulip_mediasw tlp_asix_mediasw = { |
6104 | tlp_asix_tmsw_init, tlp_asix_tmsw_getmedia, |
6105 | tlp_asix_tmsw_setmedia |
6106 | }; |
6107 | |
6108 | static void |
6109 | tlp_asix_tmsw_init(struct tulip_softc *sc) |
6110 | { |
6111 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
6112 | uint32_t opmode; |
6113 | |
6114 | sc->sc_mii.mii_ifp = ifp; |
6115 | sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; |
6116 | sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; |
6117 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
6118 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
6119 | tlp_mediastatus); |
6120 | |
6121 | /* |
6122 | * Configure OPMODE properly for the internal MII interface. |
6123 | */ |
6124 | switch (sc->sc_chip) { |
6125 | case TULIP_CHIP_AX88140: |
6126 | case TULIP_CHIP_AX88141: |
6127 | opmode = OPMODE_HBD|OPMODE_PS; |
6128 | break; |
6129 | default: |
6130 | opmode = 0; |
6131 | break; |
6132 | } |
6133 | |
6134 | TULIP_WRITE(sc, CSR_OPMODE, opmode); |
6135 | |
6136 | /* Now, probe the internal MII for the internal PHY. */ |
6137 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, |
6138 | MII_OFFSET_ANY, 0); |
6139 | |
6140 | /* XXX Figure how to handle the PHY. */ |
6141 | |
6142 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
6143 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); |
6144 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
6145 | } else { |
6146 | sc->sc_flags |= TULIPF_HAS_MII; |
6147 | sc->sc_tick = tlp_mii_tick; |
6148 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
6149 | } |
6150 | |
6151 | |
6152 | } |
6153 | |
6154 | static void |
6155 | tlp_asix_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) |
6156 | { |
6157 | |
6158 | /* XXX PHY handling. */ |
6159 | tlp_mii_getmedia(sc, ifmr); |
6160 | } |
6161 | |
6162 | static int |
6163 | tlp_asix_tmsw_setmedia(struct tulip_softc *sc) |
6164 | { |
6165 | |
6166 | /* XXX PHY handling. */ |
6167 | return (tlp_mii_setmedia(sc)); |
6168 | } |
6169 | |
6170 | /* |
6171 | * RS7112 media switch. Handles only MII attached to the SIO. |
6172 | * We only have a PHY at 1. |
6173 | */ |
6174 | void tlp_rs7112_tmsw_init(struct tulip_softc *); |
6175 | |
6176 | const struct tulip_mediasw tlp_rs7112_mediasw = { |
6177 | tlp_rs7112_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia |
6178 | }; |
6179 | |
6180 | void |
6181 | tlp_rs7112_tmsw_init(struct tulip_softc *sc) |
6182 | { |
6183 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
6184 | |
6185 | /* |
6186 | * We don't attach any media info structures to the ifmedia |
6187 | * entries, so if we're using a pre-init function that needs |
6188 | * that info, override it to one that doesn't. |
6189 | */ |
6190 | if (sc->sc_preinit == tlp_2114x_preinit) |
6191 | sc->sc_preinit = tlp_2114x_mii_preinit; |
6192 | |
6193 | sc->sc_mii.mii_ifp = ifp; |
6194 | sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; |
6195 | sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; |
6196 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
6197 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
6198 | tlp_mediastatus); |
6199 | |
6200 | /* |
6201 | * The RS7112 reports a PHY at 0 (possibly HomePNA?) |
6202 | * and 1 (ethernet). We attach ethernet only. |
6203 | */ |
6204 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, |
6205 | MII_OFFSET_ANY, 0); |
6206 | |
6207 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
6208 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); |
6209 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
6210 | } else { |
6211 | sc->sc_flags |= TULIPF_HAS_MII; |
6212 | sc->sc_tick = tlp_mii_tick; |
6213 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
6214 | } |
6215 | } |
6216 | |
6217 | const char * |
6218 | tlp_chip_name(tulip_chip_t t) { |
6219 | if ((int)t < 0 || (int)t >= __arraycount(tlp_chip_names)) { |
6220 | static char buf[256]; |
6221 | (void)snprintf(buf, sizeof(buf), "[unknown 0x%x]" , t); |
6222 | return buf; |
6223 | } |
6224 | return tlp_chip_names[t]; |
6225 | } |
6226 | |