1 /*-
2 * Copyright (c) 2009 Yohanes Nugroho <yohanes@gmail.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/bus.h>
33 #include <sys/kernel.h>
34 #include <sys/mbuf.h>
35 #include <sys/malloc.h>
36 #include <sys/module.h>
37 #include <sys/rman.h>
38 #include <sys/socket.h>
39 #include <sys/sockio.h>
40 #include <sys/sysctl.h>
41 #include <sys/taskqueue.h>
42
43 #include <net/ethernet.h>
44 #include <net/if.h>
45 #include <net/if_arp.h>
46 #include <net/if_dl.h>
47 #include <net/if_media.h>
48 #include <net/if_types.h>
49 #include <net/if_var.h>
50 #include <net/if_vlan_var.h>
51
52 #ifdef INET
53 #include <netinet/in.h>
54 #include <netinet/in_systm.h>
55 #include <netinet/in_var.h>
56 #include <netinet/ip.h>
57 #endif
58
59 #include <net/bpf.h>
60 #include <net/bpfdesc.h>
61
62 #include <dev/mii/mii.h>
63 #include <dev/mii/miivar.h>
64
65 #include <arm/cavium/cns11xx/if_ecereg.h>
66 #include <arm/cavium/cns11xx/if_ecevar.h>
67 #include <arm/cavium/cns11xx/econa_var.h>
68
69 #include <machine/bus.h>
70 #include <machine/intr.h>
71
72 /* "device miibus" required. See GENERIC if you get errors here. */
73 #include "miibus_if.h"
74
75 static uint8_t
76 vlan0_mac[ETHER_ADDR_LEN] = {0x00, 0xaa, 0xbb, 0xcc, 0xdd, 0x19};
77
78 /*
79 * Boot loader expects the hardware state to be the same when we
80 * restart the device (warm boot), so we need to save the initial
81 * config values.
82 */
83 int initial_switch_config;
84 int initial_cpu_config;
85 int initial_port0_config;
86 int initial_port1_config;
87
88 static inline uint32_t
89 read_4(struct ece_softc *sc, bus_size_t off)
90 {
91
92 return (bus_read_4(sc->mem_res, off));
93 }
94
95 static inline void
96 write_4(struct ece_softc *sc, bus_size_t off, uint32_t val)
97 {
98
99 bus_write_4(sc->mem_res, off, val);
100 }
101
102 #define ECE_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
103 #define ECE_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
104 #define ECE_LOCK_INIT(_sc) \
105 mtx_init(&_sc->sc_mtx, device_get_nameunit(_sc->dev), \
106 MTX_NETWORK_LOCK, MTX_DEF)
107
108 #define ECE_TXLOCK(_sc) mtx_lock(&(_sc)->sc_mtx_tx)
109 #define ECE_TXUNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx_tx)
110 #define ECE_TXLOCK_INIT(_sc) \
111 mtx_init(&_sc->sc_mtx_tx, device_get_nameunit(_sc->dev), \
112 "ECE TX Lock", MTX_DEF)
113
114 #define ECE_CLEANUPLOCK(_sc) mtx_lock(&(_sc)->sc_mtx_cleanup)
115 #define ECE_CLEANUPUNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx_cleanup)
116 #define ECE_CLEANUPLOCK_INIT(_sc) \
117 mtx_init(&_sc->sc_mtx_cleanup, device_get_nameunit(_sc->dev), \
118 "ECE cleanup Lock", MTX_DEF)
119
120 #define ECE_RXLOCK(_sc) mtx_lock(&(_sc)->sc_mtx_rx)
121 #define ECE_RXUNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx_rx)
122 #define ECE_RXLOCK_INIT(_sc) \
123 mtx_init(&_sc->sc_mtx_rx, device_get_nameunit(_sc->dev), \
124 "ECE RX Lock", MTX_DEF)
125
126 #define ECE_LOCK_DESTROY(_sc) mtx_destroy(&_sc->sc_mtx);
127 #define ECE_TXLOCK_DESTROY(_sc) mtx_destroy(&_sc->sc_mtx_tx);
128 #define ECE_RXLOCK_DESTROY(_sc) mtx_destroy(&_sc->sc_mtx_rx);
129 #define ECE_CLEANUPLOCK_DESTROY(_sc) \
130 mtx_destroy(&_sc->sc_mtx_cleanup);
131
132 #define ECE_ASSERT_LOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_OWNED);
133 #define ECE_ASSERT_UNLOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_NOTOWNED);
134
135 static devclass_t ece_devclass;
136
137 /* ifnet entry points */
138
139 static void eceinit_locked(void *);
140 static void ecestart_locked(struct ifnet *);
141
142 static void eceinit(void *);
143 static void ecestart(struct ifnet *);
144 static void ecestop(struct ece_softc *);
145 static int eceioctl(struct ifnet * ifp, u_long, caddr_t);
146
147 /* bus entry points */
148
149 static int ece_probe(device_t dev);
150 static int ece_attach(device_t dev);
151 static int ece_detach(device_t dev);
152 static void ece_intr(void *);
153 static void ece_intr_qf(void *);
154 static void ece_intr_status(void *xsc);
155
156 /* helper routines */
157 static int ece_activate(device_t dev);
158 static void ece_deactivate(device_t dev);
159 static int ece_ifmedia_upd(struct ifnet *ifp);
160 static void ece_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr);
161 static int ece_get_mac(struct ece_softc *sc, u_char *eaddr);
162 static void ece_set_mac(struct ece_softc *sc, u_char *eaddr);
163 static int configure_cpu_port(struct ece_softc *sc);
164 static int configure_lan_port(struct ece_softc *sc, int phy_type);
165 static void set_pvid(struct ece_softc *sc, int port0, int port1, int cpu);
166 static void set_vlan_vid(struct ece_softc *sc, int vlan);
167 static void set_vlan_member(struct ece_softc *sc, int vlan);
168 static void set_vlan_tag(struct ece_softc *sc, int vlan);
169 static int hardware_init(struct ece_softc *sc);
170 static void ece_intr_rx_locked(struct ece_softc *sc, int count);
171
172 static void ece_free_desc_dma_tx(struct ece_softc *sc);
173 static void ece_free_desc_dma_rx(struct ece_softc *sc);
174
175 static void ece_intr_task(void *arg, int pending __unused);
176 static void ece_tx_task(void *arg, int pending __unused);
177 static void ece_cleanup_task(void *arg, int pending __unused);
178
179 static int ece_allocate_dma(struct ece_softc *sc);
180
181 static void ece_intr_tx(void *xsc);
182
183 static void clear_mac_entries(struct ece_softc *ec, int include_this_mac);
184
185 static uint32_t read_mac_entry(struct ece_softc *ec,
186 uint8_t *mac_result,
187 int first);
188
189 /*PHY related functions*/
190 static inline int
191 phy_read(struct ece_softc *sc, int phy, int reg)
192 {
193 int val;
194 int ii;
195 int status;
196
197 write_4(sc, PHY_CONTROL, PHY_RW_OK);
198 write_4(sc, PHY_CONTROL,
199 (PHY_ADDRESS(phy)|PHY_READ_COMMAND |
200 PHY_REGISTER(reg)));
201
202 for (ii = 0; ii < 0x1000; ii++) {
203 status = read_4(sc, PHY_CONTROL);
204 if (status & PHY_RW_OK) {
205 /* Clear the rw_ok status, and clear other
206 * bits value. */
207 write_4(sc, PHY_CONTROL, PHY_RW_OK);
208 val = PHY_GET_DATA(status);
209 return (val);
210 }
211 }
212 return (0);
213 }
214
215 static inline void
216 phy_write(struct ece_softc *sc, int phy, int reg, int data)
217 {
218 int ii;
219
220 write_4(sc, PHY_CONTROL, PHY_RW_OK);
221 write_4(sc, PHY_CONTROL,
222 PHY_ADDRESS(phy) | PHY_REGISTER(reg) |
223 PHY_WRITE_COMMAND | PHY_DATA(data));
224 for (ii = 0; ii < 0x1000; ii++) {
225 if (read_4(sc, PHY_CONTROL) & PHY_RW_OK) {
226 /* Clear the rw_ok status, and clear other
227 * bits value.
228 */
229 write_4(sc, PHY_CONTROL, PHY_RW_OK);
230 return;
231 }
232 }
233 }
234
235 static int get_phy_type(struct ece_softc *sc)
236 {
237 uint16_t phy0_id = 0, phy1_id = 0;
238
239 /*
240 * Use SMI (MDC/MDIO) to read Link Partner's PHY Identifier
241 * Register 1.
242 */
243 phy0_id = phy_read(sc, 0, 0x2);
244 phy1_id = phy_read(sc, 1, 0x2);
245
246 if ((phy0_id == 0xFFFF) && (phy1_id == 0x000F))
247 return (ASIX_GIGA_PHY);
248 else if ((phy0_id == 0x0243) && (phy1_id == 0x0243))
249 return (TWO_SINGLE_PHY);
250 else if ((phy0_id == 0xFFFF) && (phy1_id == 0x0007))
251 return (VSC8601_GIGA_PHY);
252 else if ((phy0_id == 0x0243) && (phy1_id == 0xFFFF))
253 return (IC_PLUS_PHY);
254
255 return (NOT_FOUND_PHY);
256 }
257
258 static int
259 ece_probe(device_t dev)
260 {
261
262 device_set_desc(dev, "Econa Ethernet Controller");
263 return (0);
264 }
265
266
267 static int
268 ece_attach(device_t dev)
269 {
270 struct ece_softc *sc;
271 struct ifnet *ifp = NULL;
272 struct sysctl_ctx_list *sctx;
273 struct sysctl_oid *soid;
274 u_char eaddr[ETHER_ADDR_LEN];
275 int err;
276 int i, rid;
277 uint32_t rnd;
278
279 err = 0;
280
281 sc = device_get_softc(dev);
282
283 sc->dev = dev;
284
285 rid = 0;
286 sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
287 RF_ACTIVE);
288 if (sc->mem_res == NULL)
289 goto out;
290
291 power_on_network_interface();
292
293 rid = 0;
294 sc->irq_res_status = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
295 RF_ACTIVE);
296 if (sc->irq_res_status == NULL)
297 goto out;
298
299 rid = 1;
300 /*TSTC: Fm-Switch-Tx-Complete*/
301 sc->irq_res_tx = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
302 RF_ACTIVE);
303 if (sc->irq_res_tx == NULL)
304 goto out;
305
306 rid = 2;
307 /*FSRC: Fm-Switch-Rx-Complete*/
308 sc->irq_res_rec = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
309 RF_ACTIVE);
310 if (sc->irq_res_rec == NULL)
311 goto out;
312
313 rid = 4;
314 /*FSQF: Fm-Switch-Queue-Full*/
315 sc->irq_res_qf = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
316 RF_ACTIVE);
317 if (sc->irq_res_qf == NULL)
318 goto out;
319
320 err = ece_activate(dev);
321 if (err)
322 goto out;
323
324 /* Sysctls */
325 sctx = device_get_sysctl_ctx(dev);
326 soid = device_get_sysctl_tree(dev);
327
328 ECE_LOCK_INIT(sc);
329
330 callout_init_mtx(&sc->tick_ch, &sc->sc_mtx, 0);
331
332 if ((err = ece_get_mac(sc, eaddr)) != 0) {
333 /* No MAC address configured. Generate the random one. */
334 if (bootverbose)
335 device_printf(dev,
336 "Generating random ethernet address.\n");
337 rnd = arc4random();
338
339 /*from if_ae.c/if_ate.c*/
340 /*
341 * Set OUI to convenient locally assigned address. 'b'
342 * is 0x62, which has the locally assigned bit set, and
343 * the broadcast/multicast bit clear.
344 */
345 eaddr[0] = 'b';
346 eaddr[1] = 's';
347 eaddr[2] = 'd';
348 eaddr[3] = (rnd >> 16) & 0xff;
349 eaddr[4] = (rnd >> 8) & 0xff;
350 eaddr[5] = rnd & 0xff;
351
352 for (i = 0; i < ETHER_ADDR_LEN; i++)
353 eaddr[i] = vlan0_mac[i];
354 }
355 ece_set_mac(sc, eaddr);
356 sc->ifp = ifp = if_alloc(IFT_ETHER);
357 /* Only one PHY at address 0 in this device. */
358 err = mii_attach(dev, &sc->miibus, ifp, ece_ifmedia_upd,
359 ece_ifmedia_sts, BMSR_DEFCAPMASK, 0, MII_OFFSET_ANY, 0);
360 if (err != 0) {
361 device_printf(dev, "attaching PHYs failed\n");
362 goto out;
363 }
364 ifp->if_softc = sc;
365 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
366 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
367
368 ifp->if_capabilities = IFCAP_HWCSUM;
369
370 ifp->if_hwassist = (CSUM_IP | CSUM_TCP | CSUM_UDP);
371 ifp->if_capenable = ifp->if_capabilities;
372 ifp->if_start = ecestart;
373 ifp->if_ioctl = eceioctl;
374 ifp->if_init = eceinit;
375 ifp->if_snd.ifq_drv_maxlen = ECE_MAX_TX_BUFFERS - 1;
376 IFQ_SET_MAXLEN(&ifp->if_snd, ECE_MAX_TX_BUFFERS - 1);
377 IFQ_SET_READY(&ifp->if_snd);
378
379 /* Create local taskq. */
380
381 TASK_INIT(&sc->sc_intr_task, 0, ece_intr_task, sc);
382 TASK_INIT(&sc->sc_tx_task, 1, ece_tx_task, ifp);
383 TASK_INIT(&sc->sc_cleanup_task, 2, ece_cleanup_task, sc);
384 sc->sc_tq = taskqueue_create_fast("ece_taskq", M_WAITOK,
385 taskqueue_thread_enqueue,
386 &sc->sc_tq);
387 if (sc->sc_tq == NULL) {
388 device_printf(sc->dev, "could not create taskqueue\n");
389 goto out;
390 }
391
392 ether_ifattach(ifp, eaddr);
393
394 /*
395 * Activate interrupts
396 */
397 err = bus_setup_intr(dev, sc->irq_res_rec, INTR_TYPE_NET | INTR_MPSAFE,
398 NULL, ece_intr, sc, &sc->intrhand);
399 if (err) {
400 ether_ifdetach(ifp);
401 ECE_LOCK_DESTROY(sc);
402 goto out;
403 }
404
405 err = bus_setup_intr(dev, sc->irq_res_status,
406 INTR_TYPE_NET | INTR_MPSAFE,
407 NULL, ece_intr_status, sc, &sc->intrhand_status);
408 if (err) {
409 ether_ifdetach(ifp);
410 ECE_LOCK_DESTROY(sc);
411 goto out;
412 }
413
414 err = bus_setup_intr(dev, sc->irq_res_qf, INTR_TYPE_NET | INTR_MPSAFE,
415 NULL,ece_intr_qf, sc, &sc->intrhand_qf);
416
417 if (err) {
418 ether_ifdetach(ifp);
419 ECE_LOCK_DESTROY(sc);
420 goto out;
421 }
422
423 err = bus_setup_intr(dev, sc->irq_res_tx, INTR_TYPE_NET | INTR_MPSAFE,
424 NULL, ece_intr_tx, sc, &sc->intrhand_tx);
425
426 if (err) {
427 ether_ifdetach(ifp);
428 ECE_LOCK_DESTROY(sc);
429 goto out;
430 }
431
432 ECE_TXLOCK_INIT(sc);
433 ECE_RXLOCK_INIT(sc);
434 ECE_CLEANUPLOCK_INIT(sc);
435
436 /* Enable all interrupt sources. */
437 write_4(sc, INTERRUPT_MASK, 0x00000000);
438
439 /* Enable port 0. */
440 write_4(sc, PORT_0_CONFIG, read_4(sc, PORT_0_CONFIG) & ~(PORT_DISABLE));
441
442 taskqueue_start_threads(&sc->sc_tq, 1, PI_NET, "%s taskq",
443 device_get_nameunit(sc->dev));
444
445 out:
446 if (err)
447 ece_deactivate(dev);
448 if (err && ifp)
449 if_free(ifp);
450 return (err);
451 }
452
453 static int
454 ece_detach(device_t dev)
455 {
456 struct ece_softc *sc = device_get_softc(dev);
457 struct ifnet *ifp = sc->ifp;
458
459 ecestop(sc);
460 if (ifp != NULL) {
461 ether_ifdetach(ifp);
462 if_free(ifp);
463 }
464 ece_deactivate(dev);
465 return (0);
466 }
467
468 static void
469 ece_getaddr(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
470 {
471 u_int32_t *paddr;
472 KASSERT(nsegs == 1, ("wrong number of segments, should be 1"));
473 paddr = arg;
474 *paddr = segs->ds_addr;
475 }
476
477 static int
478 ece_alloc_desc_dma_tx(struct ece_softc *sc)
479 {
480 int i;
481 int error;
482
483 /* Allocate a busdma tag and DMA safe memory for TX/RX descriptors. */
484 error = bus_dma_tag_create(sc->sc_parent_tag, /* parent */
485 16, 0, /* alignment, boundary */
486 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
487 BUS_SPACE_MAXADDR, /* highaddr */
488 NULL, NULL, /* filtfunc, filtfuncarg */
489 sizeof(eth_tx_desc_t)*ECE_MAX_TX_BUFFERS, /* max size */
490 1, /*nsegments */
491 sizeof(eth_tx_desc_t)*ECE_MAX_TX_BUFFERS,
492 0, /* flags */
493 NULL, NULL, /* lockfunc, lockfuncarg */
494 &sc->dmatag_data_tx); /* dmat */
495
496 /* Allocate memory for TX ring. */
497 error = bus_dmamem_alloc(sc->dmatag_data_tx,
498 (void**)&(sc->desc_tx),
499 BUS_DMA_NOWAIT | BUS_DMA_ZERO |
500 BUS_DMA_COHERENT,
501 &(sc->dmamap_ring_tx));
502
503 if (error) {
504 if_printf(sc->ifp, "failed to allocate DMA memory\n");
505 bus_dma_tag_destroy(sc->dmatag_data_tx);
506 sc->dmatag_data_tx = 0;
507 return (ENXIO);
508 }
509
510 /* Load Ring DMA. */
511 error = bus_dmamap_load(sc->dmatag_data_tx, sc->dmamap_ring_tx,
512 sc->desc_tx,
513 sizeof(eth_tx_desc_t)*ECE_MAX_TX_BUFFERS,
514 ece_getaddr,
515 &(sc->ring_paddr_tx), BUS_DMA_NOWAIT);
516
517 if (error) {
518 if_printf(sc->ifp, "can't load descriptor\n");
519 bus_dmamem_free(sc->dmatag_data_tx, sc->desc_tx,
520 sc->dmamap_ring_tx);
521 sc->desc_tx = NULL;
522 bus_dma_tag_destroy(sc->dmatag_data_tx);
523 sc->dmatag_data_tx = 0;
524 return (ENXIO);
525 }
526
527 /* Allocate a busdma tag for mbufs. Alignment is 2 bytes */
528 error = bus_dma_tag_create(sc->sc_parent_tag, /* parent */
529 1, 0, /* alignment, boundary */
530 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
531 BUS_SPACE_MAXADDR, /* highaddr */
532 NULL, NULL, /* filtfunc, filtfuncarg */
533 MCLBYTES*MAX_FRAGMENT, /* maxsize */
534 MAX_FRAGMENT, /* nsegments */
535 MCLBYTES, 0, /* maxsegsz, flags */
536 NULL, NULL, /* lockfunc, lockfuncarg */
537 &sc->dmatag_ring_tx); /* dmat */
538
539 if (error) {
540 if_printf(sc->ifp, "failed to create busdma tag for mbufs\n");
541 return (ENXIO);
542 }
543
544 for (i = 0; i < ECE_MAX_TX_BUFFERS; i++) {
545 /* Create dma map for each descriptor. */
546 error = bus_dmamap_create(sc->dmatag_ring_tx, 0,
547 &(sc->tx_desc[i].dmamap));
548 if (error) {
549 if_printf(sc->ifp, "failed to create map for mbuf\n");
550 return (ENXIO);
551 }
552 }
553 return (0);
554 }
555
556 static void
557 ece_free_desc_dma_tx(struct ece_softc *sc)
558 {
559 int i;
560
561 for (i = 0; i < ECE_MAX_TX_BUFFERS; i++) {
562 if (sc->tx_desc[i].buff) {
563 m_freem(sc->tx_desc[i].buff);
564 sc->tx_desc[i].buff= 0;
565 }
566 }
567
568 if (sc->dmamap_ring_tx) {
569 bus_dmamap_unload(sc->dmatag_data_tx, sc->dmamap_ring_tx);
570 if (sc->desc_tx) {
571 bus_dmamem_free(sc->dmatag_data_tx,
572 sc->desc_tx, sc->dmamap_ring_tx);
573 }
574 sc->dmamap_ring_tx = 0;
575 }
576
577 if (sc->dmatag_data_tx) {
578 bus_dma_tag_destroy(sc->dmatag_data_tx);
579 sc->dmatag_data_tx = 0;
580 }
581
582 if (sc->dmatag_ring_tx) {
583 for (i = 0; i<ECE_MAX_TX_BUFFERS; i++) {
584 bus_dmamap_destroy(sc->dmatag_ring_tx,
585 sc->tx_desc[i].dmamap);
586 sc->tx_desc[i].dmamap = 0;
587 }
588 bus_dma_tag_destroy(sc->dmatag_ring_tx);
589 sc->dmatag_ring_tx = 0;
590 }
591 }
592
593 static int
594 ece_alloc_desc_dma_rx(struct ece_softc *sc)
595 {
596 int error;
597 int i;
598
599 /* Allocate a busdma tag and DMA safe memory for RX descriptors. */
600 error = bus_dma_tag_create(sc->sc_parent_tag, /* parent */
601 16, 0, /* alignment, boundary */
602 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
603 BUS_SPACE_MAXADDR, /* highaddr */
604 NULL, NULL, /* filtfunc, filtfuncarg */
605 /* maxsize, nsegments */
606 sizeof(eth_rx_desc_t)*ECE_MAX_RX_BUFFERS, 1,
607 /* maxsegsz, flags */
608 sizeof(eth_rx_desc_t)*ECE_MAX_RX_BUFFERS, 0,
609 NULL, NULL, /* lockfunc, lockfuncarg */
610 &sc->dmatag_data_rx); /* dmat */
611
612 /* Allocate RX ring. */
613 error = bus_dmamem_alloc(sc->dmatag_data_rx,
614 (void**)&(sc->desc_rx),
615 BUS_DMA_NOWAIT | BUS_DMA_ZERO |
616 BUS_DMA_COHERENT,
617 &(sc->dmamap_ring_rx));
618
619 if (error) {
620 if_printf(sc->ifp, "failed to allocate DMA memory\n");
621 return (ENXIO);
622 }
623
624 /* Load dmamap. */
625 error = bus_dmamap_load(sc->dmatag_data_rx, sc->dmamap_ring_rx,
626 sc->desc_rx,
627 sizeof(eth_rx_desc_t)*ECE_MAX_RX_BUFFERS,
628 ece_getaddr,
629 &(sc->ring_paddr_rx), BUS_DMA_NOWAIT);
630
631 if (error) {
632 if_printf(sc->ifp, "can't load descriptor\n");
633 bus_dmamem_free(sc->dmatag_data_rx, sc->desc_rx,
634 sc->dmamap_ring_rx);
635 bus_dma_tag_destroy(sc->dmatag_data_rx);
636 sc->desc_rx = NULL;
637 return (ENXIO);
638 }
639
640 /* Allocate a busdma tag for mbufs. */
641 error = bus_dma_tag_create(sc->sc_parent_tag,/* parent */
642 16, 0, /* alignment, boundary */
643 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
644 BUS_SPACE_MAXADDR, /* highaddr */
645 NULL, NULL, /* filtfunc, filtfuncarg */
646 MCLBYTES, 1, /* maxsize, nsegments */
647 MCLBYTES, 0, /* maxsegsz, flags */
648 NULL, NULL, /* lockfunc, lockfuncarg */
649 &sc->dmatag_ring_rx); /* dmat */
650
651 if (error) {
652 if_printf(sc->ifp, "failed to create busdma tag for mbufs\n");
653 return (ENXIO);
654 }
655
656 for (i = 0; i<ECE_MAX_RX_BUFFERS; i++) {
657 error = bus_dmamap_create(sc->dmatag_ring_rx, 0,
658 &sc->rx_desc[i].dmamap);
659 if (error) {
660 if_printf(sc->ifp, "failed to create map for mbuf\n");
661 return (ENXIO);
662 }
663 }
664
665 error = bus_dmamap_create(sc->dmatag_ring_rx, 0, &sc->rx_sparemap);
666 if (error) {
667 if_printf(sc->ifp, "failed to create spare map\n");
668 return (ENXIO);
669 }
670
671 return (0);
672 }
673
674 static void
675 ece_free_desc_dma_rx(struct ece_softc *sc)
676 {
677 int i;
678
679 for (i = 0; i < ECE_MAX_RX_BUFFERS; i++) {
680 if (sc->rx_desc[i].buff) {
681 m_freem(sc->rx_desc[i].buff);
682 sc->rx_desc[i].buff= 0;
683 }
684 }
685
686 if (sc->dmatag_data_rx) {
687 bus_dmamap_unload(sc->dmatag_data_rx, sc->dmamap_ring_rx);
688 bus_dmamem_free(sc->dmatag_data_rx, sc->desc_rx,
689 sc->dmamap_ring_rx);
690 bus_dma_tag_destroy(sc->dmatag_data_rx);
691 sc->dmatag_data_rx = 0;
692 sc->dmamap_ring_rx = 0;
693 sc->desc_rx = 0;
694 }
695
696 if (sc->dmatag_ring_rx) {
697 for (i = 0; i < ECE_MAX_RX_BUFFERS; i++)
698 bus_dmamap_destroy(sc->dmatag_ring_rx,
699 sc->rx_desc[i].dmamap);
700 bus_dmamap_destroy(sc->dmatag_ring_rx, sc->rx_sparemap);
701 bus_dma_tag_destroy(sc->dmatag_ring_rx);
702 sc->dmatag_ring_rx = 0;
703 }
704 }
705
706 static int
707 ece_new_rxbuf(struct ece_softc *sc, struct rx_desc_info* descinfo)
708 {
709 struct mbuf *new_mbuf;
710 bus_dma_segment_t seg[1];
711 bus_dmamap_t map;
712 int error;
713 int nsegs;
714 bus_dma_tag_t tag;
715
716 tag = sc->dmatag_ring_rx;
717
718 new_mbuf = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
719
720 if (new_mbuf == NULL)
721 return (ENOBUFS);
722
723 new_mbuf->m_len = new_mbuf->m_pkthdr.len = MCLBYTES;
724
725 error = bus_dmamap_load_mbuf_sg(tag, sc->rx_sparemap, new_mbuf,
726 seg, &nsegs, BUS_DMA_NOWAIT);
727
728 KASSERT(nsegs == 1, ("Too many segments returned!"));
729
730 if (nsegs != 1 || error) {
731 m_free(new_mbuf);
732 return (ENOBUFS);
733 }
734
735 if (descinfo->buff != NULL) {
736 bus_dmamap_sync(tag, descinfo->dmamap, BUS_DMASYNC_POSTREAD);
737 bus_dmamap_unload(tag, descinfo->dmamap);
738 }
739
740 map = descinfo->dmamap;
741 descinfo->dmamap = sc->rx_sparemap;
742 sc->rx_sparemap = map;
743
744 bus_dmamap_sync(tag, descinfo->dmamap, BUS_DMASYNC_PREREAD);
745
746 descinfo->buff = new_mbuf;
747 descinfo->desc->data_ptr = seg->ds_addr;
748 descinfo->desc->length = seg->ds_len - 2;
749
750 return (0);
751 }
752
753 static int
754 ece_allocate_dma(struct ece_softc *sc)
755 {
756 eth_tx_desc_t *desctx;
757 eth_rx_desc_t *descrx;
758 int i;
759 int error;
760
761 /* Create parent tag for tx and rx */
762 error = bus_dma_tag_create(
763 bus_get_dma_tag(sc->dev),/* parent */
764 1, 0, /* alignment, boundary */
765 BUS_SPACE_MAXADDR, /* lowaddr */
766 BUS_SPACE_MAXADDR, /* highaddr */
767 NULL, NULL, /* filter, filterarg */
768 BUS_SPACE_MAXSIZE_32BIT, 0,/* maxsize, nsegments */
769 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
770 0, /* flags */
771 NULL, NULL, /* lockfunc, lockarg */
772 &sc->sc_parent_tag);
773
774 ece_alloc_desc_dma_tx(sc);
775
776 for (i = 0; i < ECE_MAX_TX_BUFFERS; i++) {
777 desctx = (eth_tx_desc_t *)(&sc->desc_tx[i]);
778 memset(desctx, 0, sizeof(eth_tx_desc_t));
779 desctx->length = MAX_PACKET_LEN;
780 desctx->cown = 1;
781 if (i == ECE_MAX_TX_BUFFERS - 1)
782 desctx->eor = 1;
783 }
784
785 ece_alloc_desc_dma_rx(sc);
786
787 for (i = 0; i < ECE_MAX_RX_BUFFERS; i++) {
788 descrx = &(sc->desc_rx[i]);
789 memset(descrx, 0, sizeof(eth_rx_desc_t));
790 sc->rx_desc[i].desc = descrx;
791 sc->rx_desc[i].buff = 0;
792 ece_new_rxbuf(sc, &(sc->rx_desc[i]));
793
794 if (i == ECE_MAX_RX_BUFFERS - 1)
795 descrx->eor = 1;
796 }
797 sc->tx_prod = 0;
798 sc->tx_cons = 0;
799 sc->last_rx = 0;
800 sc->desc_curr_tx = 0;
801
802 return (0);
803 }
804
805 static int
806 ece_activate(device_t dev)
807 {
808 struct ece_softc *sc;
809 int err;
810 uint32_t mac_port_config;
811 struct ifnet *ifp;
812
813 sc = device_get_softc(dev);
814 ifp = sc->ifp;
815
816 initial_switch_config = read_4(sc, SWITCH_CONFIG);
817 initial_cpu_config = read_4(sc, CPU_PORT_CONFIG);
818 initial_port0_config = read_4(sc, MAC_PORT_0_CONFIG);
819 initial_port1_config = read_4(sc, MAC_PORT_1_CONFIG);
820
821 /* Disable Port 0 */
822 mac_port_config = read_4(sc, MAC_PORT_0_CONFIG);
823 mac_port_config |= (PORT_DISABLE);
824 write_4(sc, MAC_PORT_0_CONFIG, mac_port_config);
825
826 /* Disable Port 1 */
827 mac_port_config = read_4(sc, MAC_PORT_1_CONFIG);
828 mac_port_config |= (PORT_DISABLE);
829 write_4(sc, MAC_PORT_1_CONFIG, mac_port_config);
830
831 err = ece_allocate_dma(sc);
832 if (err) {
833 if_printf(sc->ifp, "failed allocating dma\n");
834 goto out;
835 }
836
837 write_4(sc, TS_DESCRIPTOR_POINTER, sc->ring_paddr_tx);
838 write_4(sc, TS_DESCRIPTOR_BASE_ADDR, sc->ring_paddr_tx);
839
840 write_4(sc, FS_DESCRIPTOR_POINTER, sc->ring_paddr_rx);
841 write_4(sc, FS_DESCRIPTOR_BASE_ADDR, sc->ring_paddr_rx);
842
843 write_4(sc, FS_DMA_CONTROL, 1);
844
845 return (0);
846 out:
847 return (ENXIO);
848
849 }
850
851 static void
852 ece_deactivate(device_t dev)
853 {
854 struct ece_softc *sc;
855
856 sc = device_get_softc(dev);
857
858 if (sc->intrhand)
859 bus_teardown_intr(dev, sc->irq_res_rec, sc->intrhand);
860
861 sc->intrhand = 0;
862
863 if (sc->intrhand_qf)
864 bus_teardown_intr(dev, sc->irq_res_qf, sc->intrhand_qf);
865
866 sc->intrhand_qf = 0;
867
868 bus_generic_detach(sc->dev);
869 if (sc->miibus)
870 device_delete_child(sc->dev, sc->miibus);
871 if (sc->mem_res)
872 bus_release_resource(dev, SYS_RES_IOPORT,
873 rman_get_rid(sc->mem_res), sc->mem_res);
874 sc->mem_res = 0;
875
876 if (sc->irq_res_rec)
877 bus_release_resource(dev, SYS_RES_IRQ,
878 rman_get_rid(sc->irq_res_rec), sc->irq_res_rec);
879
880 if (sc->irq_res_qf)
881 bus_release_resource(dev, SYS_RES_IRQ,
882 rman_get_rid(sc->irq_res_qf), sc->irq_res_qf);
883
884 if (sc->irq_res_qf)
885 bus_release_resource(dev, SYS_RES_IRQ,
886 rman_get_rid(sc->irq_res_status), sc->irq_res_status);
887
888 sc->irq_res_rec = 0;
889 sc->irq_res_qf = 0;
890 sc->irq_res_status = 0;
891 ECE_TXLOCK_DESTROY(sc);
892 ECE_RXLOCK_DESTROY(sc);
893
894 ece_free_desc_dma_tx(sc);
895 ece_free_desc_dma_rx(sc);
896
897 return;
898 }
899
900 /*
901 * Change media according to request.
902 */
903 static int
904 ece_ifmedia_upd(struct ifnet *ifp)
905 {
906 struct ece_softc *sc = ifp->if_softc;
907 struct mii_data *mii;
908 int error;
909
910 mii = device_get_softc(sc->miibus);
911 ECE_LOCK(sc);
912 error = mii_mediachg(mii);
913 ECE_UNLOCK(sc);
914 return (error);
915 }
916
917 /*
918 * Notify the world which media we're using.
919 */
920 static void
921 ece_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
922 {
923 struct ece_softc *sc = ifp->if_softc;
924 struct mii_data *mii;
925
926 mii = device_get_softc(sc->miibus);
927 ECE_LOCK(sc);
928 mii_pollstat(mii);
929 ifmr->ifm_active = mii->mii_media_active;
930 ifmr->ifm_status = mii->mii_media_status;
931 ECE_UNLOCK(sc);
932 }
933
934 static void
935 ece_tick(void *xsc)
936 {
937 struct ece_softc *sc = xsc;
938 struct mii_data *mii;
939 int active;
940
941 mii = device_get_softc(sc->miibus);
942 active = mii->mii_media_active;
943 mii_tick(mii);
944
945 /*
946 * Schedule another timeout one second from now.
947 */
948 callout_reset(&sc->tick_ch, hz, ece_tick, sc);
949 }
950
951 static uint32_t
952 read_mac_entry(struct ece_softc *ec,
953 uint8_t *mac_result,
954 int first)
955 {
956 uint32_t ii;
957 struct arl_table_entry_t entry;
958 uint32_t *entry_val;
959 write_4(ec, ARL_TABLE_ACCESS_CONTROL_0, 0);
960 write_4(ec, ARL_TABLE_ACCESS_CONTROL_1, 0);
961 write_4(ec, ARL_TABLE_ACCESS_CONTROL_2, 0);
962 if (first)
963 write_4(ec, ARL_TABLE_ACCESS_CONTROL_0, 0x1);
964 else
965 write_4(ec, ARL_TABLE_ACCESS_CONTROL_0, 0x2);
966
967 for (ii = 0; ii < 0x1000; ii++)
968 if (read_4(ec, ARL_TABLE_ACCESS_CONTROL_1) & (0x1))
969 break;
970
971 entry_val = (uint32_t*) (&entry);
972 entry_val[0] = read_4(ec, ARL_TABLE_ACCESS_CONTROL_1);
973 entry_val[1] = read_4(ec, ARL_TABLE_ACCESS_CONTROL_2);
974
975 if (mac_result)
976 memcpy(mac_result, entry.mac_addr, ETHER_ADDR_LEN);
977
978 return (entry.table_end);
979 }
980
981 static uint32_t
982 write_arl_table_entry(struct ece_softc *ec,
983 uint32_t filter,
984 uint32_t vlan_mac,
985 uint32_t vlan_gid,
986 uint32_t age_field,
987 uint32_t port_map,
988 const uint8_t *mac_addr)
989 {
990 uint32_t ii;
991 uint32_t *entry_val;
992 struct arl_table_entry_t entry;
993
994 memset(&entry, 0, sizeof(entry));
995
996 entry.filter = filter;
997 entry.vlan_mac = vlan_mac;
998 entry.vlan_gid = vlan_gid;
999 entry.age_field = age_field;
1000 entry.port_map = port_map;
1001 memcpy(entry.mac_addr, mac_addr, ETHER_ADDR_LEN);
1002
1003 entry_val = (uint32_t*) (&entry);
1004
1005 write_4(ec, ARL_TABLE_ACCESS_CONTROL_0, 0);
1006 write_4(ec, ARL_TABLE_ACCESS_CONTROL_1, 0);
1007 write_4(ec, ARL_TABLE_ACCESS_CONTROL_2, 0);
1008
1009 write_4(ec, ARL_TABLE_ACCESS_CONTROL_1, entry_val[0]);
1010 write_4(ec, ARL_TABLE_ACCESS_CONTROL_2, entry_val[1]);
1011
1012 write_4(ec, ARL_TABLE_ACCESS_CONTROL_0, ARL_WRITE_COMMAND);
1013
1014 for (ii = 0; ii < 0x1000; ii++)
1015 if (read_4(ec, ARL_TABLE_ACCESS_CONTROL_1) &
1016 ARL_COMMAND_COMPLETE)
1017 return (1); /* Write OK. */
1018
1019 /* Write failed. */
1020 return (0);
1021 }
1022
1023 static void
1024 remove_mac_entry(struct ece_softc *sc,
1025 uint8_t *mac)
1026 {
1027
1028 /* Invalid age_field mean erase this entry. */
1029 write_arl_table_entry(sc, 0, 1, VLAN0_GROUP_ID,
1030 INVALID_ENTRY, VLAN0_GROUP,
1031 mac);
1032 }
1033
1034 static void
1035 add_mac_entry(struct ece_softc *sc,
1036 uint8_t *mac)
1037 {
1038
1039 write_arl_table_entry(sc, 0, 1, VLAN0_GROUP_ID,
1040 NEW_ENTRY, VLAN0_GROUP,
1041 mac);
1042 }
1043
1044 /**
1045 * The behavior of ARL table reading and deletion is not well defined
1046 * in the documentation. To be safe, all mac addresses are put to a
1047 * list, then deleted.
1048 *
1049 */
1050 static void
1051 clear_mac_entries(struct ece_softc *ec, int include_this_mac)
1052 {
1053 int table_end;
1054 struct mac_list * temp;
1055 struct mac_list * mac_list_header;
1056 struct mac_list * current;
1057 char mac[ETHER_ADDR_LEN];
1058
1059 current = 0;
1060 mac_list_header = 0;
1061
1062 table_end = read_mac_entry(ec, mac, 1);
1063 while (!table_end) {
1064 if (!include_this_mac &&
1065 memcmp(mac, vlan0_mac, ETHER_ADDR_LEN) == 0) {
1066 /* Read next entry. */
1067 table_end = read_mac_entry(ec, mac, 0);
1068 continue;
1069 }
1070
1071 temp = (struct mac_list*)malloc(sizeof(struct mac_list),
1072 M_DEVBUF,
1073 M_NOWAIT | M_ZERO);
1074 memcpy(temp->mac_addr, mac, ETHER_ADDR_LEN);
1075 temp->next = 0;
1076 if (mac_list_header) {
1077 current->next = temp;
1078 current = temp;
1079 } else {
1080 mac_list_header = temp;
1081 current = temp;
1082 }
1083 /* Read next Entry */
1084 table_end = read_mac_entry(ec, mac, 0);
1085 }
1086
1087 current = mac_list_header;
1088
1089 while (current) {
1090 remove_mac_entry(ec, current->mac_addr);
1091 temp = current;
1092 current = current->next;
1093 free(temp, M_DEVBUF);
1094 }
1095 }
1096
1097 static int
1098 configure_lan_port(struct ece_softc *sc, int phy_type)
1099 {
1100 uint32_t sw_config;
1101 uint32_t mac_port_config;
1102
1103 /*
1104 * Configure switch
1105 */
1106 sw_config = read_4(sc, SWITCH_CONFIG);
1107 /* Enable fast aging. */
1108 sw_config |= FAST_AGING;
1109 /* Enable IVL learning. */
1110 sw_config |= IVL_LEARNING;
1111 /* Disable hardware NAT. */
1112 sw_config &= ~(HARDWARE_NAT);
1113
1114 sw_config |= SKIP_L2_LOOKUP_PORT_0 | SKIP_L2_LOOKUP_PORT_1| NIC_MODE;
1115
1116 write_4(sc, SWITCH_CONFIG, sw_config);
1117
1118 sw_config = read_4(sc, SWITCH_CONFIG);
1119
1120 mac_port_config = read_4(sc, MAC_PORT_0_CONFIG);
1121
1122 if (!(mac_port_config & 0x1) || (mac_port_config & 0x2))
1123 if_printf(sc->ifp, "Link Down\n");
1124 else
1125 write_4(sc, MAC_PORT_0_CONFIG, mac_port_config);
1126 return (0);
1127 }
1128
1129 static void
1130 set_pvid(struct ece_softc *sc, int port0, int port1, int cpu)
1131 {
1132 uint32_t val;
1133 val = read_4(sc, VLAN_PORT_PVID) & (~(0x7 << 0));
1134 write_4(sc, VLAN_PORT_PVID, val);
1135 val = read_4(sc, VLAN_PORT_PVID) | ((port0) & 0x07);
1136 write_4(sc, VLAN_PORT_PVID, val);
1137 val = read_4(sc, VLAN_PORT_PVID) & (~(0x7 << 4));
1138 write_4(sc, VLAN_PORT_PVID, val);
1139 val = read_4(sc, VLAN_PORT_PVID) | (((port1) & 0x07) << 4);
1140 write_4(sc, VLAN_PORT_PVID, val);
1141
1142 val = read_4(sc, VLAN_PORT_PVID) & (~(0x7 << 8));
1143 write_4(sc, VLAN_PORT_PVID, val);
1144 val = read_4(sc, VLAN_PORT_PVID) | (((cpu) & 0x07) << 8);
1145 write_4(sc, VLAN_PORT_PVID, val);
1146
1147 }
1148
1149 /* VLAN related functions */
1150 static void
1151 set_vlan_vid(struct ece_softc *sc, int vlan)
1152 {
1153 const uint32_t regs[] = {
1154 VLAN_VID_0_1,
1155 VLAN_VID_0_1,
1156 VLAN_VID_2_3,
1157 VLAN_VID_2_3,
1158 VLAN_VID_4_5,
1159 VLAN_VID_4_5,
1160 VLAN_VID_6_7,
1161 VLAN_VID_6_7
1162 };
1163
1164 const int vids[] = {
1165 VLAN0_VID,
1166 VLAN1_VID,
1167 VLAN2_VID,
1168 VLAN3_VID,
1169 VLAN4_VID,
1170 VLAN5_VID,
1171 VLAN6_VID,
1172 VLAN7_VID
1173 };
1174
1175 uint32_t val;
1176 uint32_t reg;
1177 int vid;
1178
1179 reg = regs[vlan];
1180 vid = vids[vlan];
1181
1182 if (vlan & 1) {
1183 val = read_4(sc, reg);
1184 write_4(sc, reg, val & (~(0xFFF << 0)));
1185 val = read_4(sc, reg);
1186 write_4(sc, reg, val|((vid & 0xFFF) << 0));
1187 } else {
1188 val = read_4(sc, reg);
1189 write_4(sc, reg, val & (~(0xFFF << 12)));
1190 val = read_4(sc, reg);
1191 write_4(sc, reg, val|((vid & 0xFFF) << 12));
1192 }
1193 }
1194
1195 static void
1196 set_vlan_member(struct ece_softc *sc, int vlan)
1197 {
1198 unsigned char shift;
1199 uint32_t val;
1200 int group;
1201 const int groups[] = {
1202 VLAN0_GROUP,
1203 VLAN1_GROUP,
1204 VLAN2_GROUP,
1205 VLAN3_GROUP,
1206 VLAN4_GROUP,
1207 VLAN5_GROUP,
1208 VLAN6_GROUP,
1209 VLAN7_GROUP
1210 };
1211
1212 group = groups[vlan];
1213
1214 shift = vlan*3;
1215 val = read_4(sc, VLAN_MEMBER_PORT_MAP) & (~(0x7 << shift));
1216 write_4(sc, VLAN_MEMBER_PORT_MAP, val);
1217 val = read_4(sc, VLAN_MEMBER_PORT_MAP);
1218 write_4(sc, VLAN_MEMBER_PORT_MAP, val | ((group & 0x7) << shift));
1219 }
1220
1221 static void
1222 set_vlan_tag(struct ece_softc *sc, int vlan)
1223 {
1224 unsigned char shift;
1225 uint32_t val;
1226
1227 int tag = 0;
1228
1229 shift = vlan*3;
1230 val = read_4(sc, VLAN_TAG_PORT_MAP) & (~(0x7 << shift));
1231 write_4(sc, VLAN_TAG_PORT_MAP, val);
1232 val = read_4(sc, VLAN_TAG_PORT_MAP);
1233 write_4(sc, VLAN_TAG_PORT_MAP, val | ((tag & 0x7) << shift));
1234 }
1235
1236 static int
1237 configure_cpu_port(struct ece_softc *sc)
1238 {
1239 uint32_t cpu_port_config;
1240 int i;
1241
1242 cpu_port_config = read_4(sc, CPU_PORT_CONFIG);
1243 /* SA learning Disable */
1244 cpu_port_config |= (SA_LEARNING_DISABLE);
1245 /* set data offset + 2 */
1246 cpu_port_config &= ~(1U << 31);
1247
1248 write_4(sc, CPU_PORT_CONFIG, cpu_port_config);
1249
1250 if (!write_arl_table_entry(sc, 0, 1, VLAN0_GROUP_ID,
1251 STATIC_ENTRY, VLAN0_GROUP,
1252 vlan0_mac))
1253 return (1);
1254
1255 set_pvid(sc, PORT0_PVID, PORT1_PVID, CPU_PORT_PVID);
1256
1257 for (i = 0; i < 8; i++) {
1258 set_vlan_vid(sc, i);
1259 set_vlan_member(sc, i);
1260 set_vlan_tag(sc, i);
1261 }
1262
1263 /* disable all interrupt status sources */
1264 write_4(sc, INTERRUPT_MASK, 0xffff1fff);
1265
1266 /* clear previous interrupt sources */
1267 write_4(sc, INTERRUPT_STATUS, 0x00001FFF);
1268
1269 write_4(sc, TS_DMA_CONTROL, 0);
1270 write_4(sc, FS_DMA_CONTROL, 0);
1271 return (0);
1272 }
1273
1274 static int
1275 hardware_init(struct ece_softc *sc)
1276 {
1277 int status = 0;
1278 static int gw_phy_type;
1279
1280 gw_phy_type = get_phy_type(sc);
1281 /* Currently only ic_plus phy is supported. */
1282 if (gw_phy_type != IC_PLUS_PHY) {
1283 device_printf(sc->dev, "PHY type is not supported (%d)\n",
1284 gw_phy_type);
1285 return (-1);
1286 }
1287 status = configure_lan_port(sc, gw_phy_type);
1288 configure_cpu_port(sc);
1289 return (0);
1290 }
1291
1292 static void
1293 set_mac_address(struct ece_softc *sc, const char *mac, int mac_len)
1294 {
1295
1296 /* Invalid age_field mean erase this entry. */
1297 write_arl_table_entry(sc, 0, 1, VLAN0_GROUP_ID,
1298 INVALID_ENTRY, VLAN0_GROUP,
1299 mac);
1300 memcpy(vlan0_mac, mac, ETHER_ADDR_LEN);
1301
1302 write_arl_table_entry(sc, 0, 1, VLAN0_GROUP_ID,
1303 STATIC_ENTRY, VLAN0_GROUP,
1304 mac);
1305 }
1306
1307 static void
1308 ece_set_mac(struct ece_softc *sc, u_char *eaddr)
1309 {
1310 memcpy(vlan0_mac, eaddr, ETHER_ADDR_LEN);
1311 set_mac_address(sc, eaddr, ETHER_ADDR_LEN);
1312 }
1313
1314 /*
1315 * TODO: the device doesn't have MAC stored, we should read the
1316 * configuration stored in FLASH, but the format depends on the
1317 * bootloader used.*
1318 */
1319 static int
1320 ece_get_mac(struct ece_softc *sc, u_char *eaddr)
1321 {
1322 return (ENXIO);
1323 }
1324
1325 static void
1326 ece_intr_rx_locked(struct ece_softc *sc, int count)
1327 {
1328 struct ifnet *ifp = sc->ifp;
1329 struct mbuf *mb;
1330 struct rx_desc_info *rxdesc;
1331 eth_rx_desc_t *desc;
1332
1333 int fssd_curr;
1334 int fssd;
1335 int i;
1336 int idx;
1337 int rxcount;
1338 uint32_t status;
1339
1340 fssd_curr = read_4(sc, FS_DESCRIPTOR_POINTER);
1341
1342 fssd = (fssd_curr - (uint32_t)sc->ring_paddr_rx)>>4;
1343
1344 desc = sc->rx_desc[sc->last_rx].desc;
1345
1346 /* Prepare to read the data in the ring. */
1347 bus_dmamap_sync(sc->dmatag_ring_rx,
1348 sc->dmamap_ring_rx,
1349 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
1350
1351 if (fssd > sc->last_rx)
1352 rxcount = fssd - sc->last_rx;
1353 else if (fssd < sc->last_rx)
1354 rxcount = (ECE_MAX_RX_BUFFERS - sc->last_rx) + fssd;
1355 else {
1356 if (desc->cown == 0)
1357 return;
1358 else
1359 rxcount = ECE_MAX_RX_BUFFERS;
1360 }
1361
1362 for (i= 0; i < rxcount; i++) {
1363 status = desc->cown;
1364 if (!status)
1365 break;
1366
1367 idx = sc->last_rx;
1368 rxdesc = &sc->rx_desc[idx];
1369 mb = rxdesc->buff;
1370
1371 if (desc->length < ETHER_MIN_LEN - ETHER_CRC_LEN ||
1372 desc->length > ETHER_MAX_LEN - ETHER_CRC_LEN +
1373 ETHER_VLAN_ENCAP_LEN) {
1374 ifp->if_ierrors++;
1375 desc->cown = 0;
1376 desc->length = MCLBYTES - 2;
1377 /* Invalid packet, skip and process next
1378 * packet.
1379 */
1380 continue;
1381 }
1382
1383 if (ece_new_rxbuf(sc, rxdesc) != 0) {
1384 ifp->if_iqdrops++;
1385 desc->cown = 0;
1386 desc->length = MCLBYTES - 2;
1387 break;
1388 }
1389
1390 /**
1391 * The device will write to addrress + 2 So we need to adjust
1392 * the address after the packet is received.
1393 */
1394 mb->m_data += 2;
1395 mb->m_len = mb->m_pkthdr.len = desc->length;
1396
1397 mb->m_flags |= M_PKTHDR;
1398 mb->m_pkthdr.rcvif = ifp;
1399 if ((ifp->if_capenable & IFCAP_RXCSUM) != 0) {
1400 /*check for valid checksum*/
1401 if ( (!desc->l4f) && (desc->prot != 3)) {
1402 mb->m_pkthdr.csum_flags |= CSUM_IP_CHECKED;
1403 mb->m_pkthdr.csum_flags |= CSUM_IP_VALID;
1404 mb->m_pkthdr.csum_data = 0xffff;
1405 }
1406 }
1407 ECE_RXUNLOCK(sc);
1408 (*ifp->if_input)(ifp, mb);
1409 ECE_RXLOCK(sc);
1410
1411 desc->cown = 0;
1412 desc->length = MCLBYTES - 2;
1413
1414 bus_dmamap_sync(sc->dmatag_ring_rx,
1415 sc->dmamap_ring_rx,
1416 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
1417
1418 if (sc->last_rx == ECE_MAX_RX_BUFFERS - 1)
1419 sc->last_rx = 0;
1420 else
1421 sc->last_rx++;
1422
1423 desc = sc->rx_desc[sc->last_rx].desc;
1424 }
1425
1426 /* Sync updated flags. */
1427 bus_dmamap_sync(sc->dmatag_ring_rx,
1428 sc->dmamap_ring_rx,
1429 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
1430
1431 return;
1432 }
1433
1434 static void
1435 ece_intr_task(void *arg, int pending __unused)
1436 {
1437 struct ece_softc *sc = arg;
1438 ECE_RXLOCK(sc);
1439 ece_intr_rx_locked(sc, -1);
1440 ECE_RXUNLOCK(sc);
1441 }
1442
1443 static void
1444 ece_intr(void *xsc)
1445 {
1446 struct ece_softc *sc = xsc;
1447 struct ifnet *ifp = sc->ifp;
1448
1449 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
1450 write_4(sc, FS_DMA_CONTROL, 0);
1451 return;
1452 }
1453
1454 taskqueue_enqueue(sc->sc_tq, &sc->sc_intr_task);
1455
1456 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
1457 taskqueue_enqueue(sc->sc_tq, &sc->sc_tx_task);
1458 }
1459
1460 static void
1461 ece_intr_status(void *xsc)
1462 {
1463 struct ece_softc *sc = xsc;
1464 struct ifnet *ifp = sc->ifp;
1465 int stat;
1466
1467 stat = read_4(sc, INTERRUPT_STATUS);
1468
1469 write_4(sc, INTERRUPT_STATUS, stat);
1470
1471 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) {
1472 if ((stat & ERROR_MASK) != 0)
1473 ifp->if_iqdrops++;
1474 }
1475 }
1476
1477 static void
1478 ece_cleanup_locked(struct ece_softc *sc)
1479 {
1480 eth_tx_desc_t *desc;
1481
1482 if (sc->tx_cons == sc->tx_prod) return;
1483
1484 /* Prepare to read the ring (owner bit). */
1485 bus_dmamap_sync(sc->dmatag_ring_tx,
1486 sc->dmamap_ring_tx,
1487 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
1488
1489 while (sc->tx_cons != sc->tx_prod) {
1490 desc = sc->tx_desc[sc->tx_cons].desc;
1491 if (desc->cown != 0) {
1492 struct tx_desc_info *td = &(sc->tx_desc[sc->tx_cons]);
1493 /* We are finished with this descriptor ... */
1494 bus_dmamap_sync(sc->dmatag_data_tx, td->dmamap,
1495 BUS_DMASYNC_POSTWRITE);
1496 /* ... and unload, so we can reuse. */
1497 bus_dmamap_unload(sc->dmatag_data_tx, td->dmamap);
1498 m_freem(td->buff);
1499 td->buff = 0;
1500 sc->tx_cons = (sc->tx_cons + 1) % ECE_MAX_TX_BUFFERS;
1501 } else {
1502 break;
1503 }
1504 }
1505
1506 }
1507
1508 static void
1509 ece_cleanup_task(void *arg, int pending __unused)
1510 {
1511 struct ece_softc *sc = arg;
1512 ECE_CLEANUPLOCK(sc);
1513 ece_cleanup_locked(sc);
1514 ECE_CLEANUPUNLOCK(sc);
1515 }
1516
1517 static void
1518 ece_intr_tx(void *xsc)
1519 {
1520 struct ece_softc *sc = xsc;
1521 struct ifnet *ifp = sc->ifp;
1522 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
1523 /* This should not happen, stop DMA. */
1524 write_4(sc, FS_DMA_CONTROL, 0);
1525 return;
1526 }
1527 taskqueue_enqueue(sc->sc_tq, &sc->sc_cleanup_task);
1528 }
1529
1530 static void
1531 ece_intr_qf(void *xsc)
1532 {
1533 struct ece_softc *sc = xsc;
1534 struct ifnet *ifp = sc->ifp;
1535 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
1536 /* This should not happen, stop DMA. */
1537 write_4(sc, FS_DMA_CONTROL, 0);
1538 return;
1539 }
1540 taskqueue_enqueue(sc->sc_tq, &sc->sc_intr_task);
1541 write_4(sc, FS_DMA_CONTROL, 1);
1542 }
1543
1544 /*
1545 * Reset and initialize the chip
1546 */
1547 static void
1548 eceinit_locked(void *xsc)
1549 {
1550 struct ece_softc *sc = xsc;
1551 struct ifnet *ifp = sc->ifp;
1552 struct mii_data *mii;
1553 uint32_t cfg_reg;
1554 uint32_t cpu_port_config;
1555 uint32_t mac_port_config;
1556
1557 while (1) {
1558 cfg_reg = read_4(sc, BIST_RESULT_TEST_0);
1559 if ((cfg_reg & (1<<17)))
1560 break;
1561 DELAY(100);
1562 }
1563 /* Set to default values. */
1564 write_4(sc, SWITCH_CONFIG, 0x007AA7A1);
1565 write_4(sc, MAC_PORT_0_CONFIG, 0x00423D00);
1566 write_4(sc, MAC_PORT_1_CONFIG, 0x00423D80);
1567 write_4(sc, CPU_PORT_CONFIG, 0x004C0000);
1568
1569 hardware_init(sc);
1570
1571 mac_port_config = read_4(sc, MAC_PORT_0_CONFIG);
1572
1573 /* Enable Port 0 */
1574 mac_port_config &= (~(PORT_DISABLE));
1575 write_4(sc, MAC_PORT_0_CONFIG, mac_port_config);
1576
1577 cpu_port_config = read_4(sc, CPU_PORT_CONFIG);
1578 /* Enable CPU. */
1579 cpu_port_config &= ~(PORT_DISABLE);
1580 write_4(sc, CPU_PORT_CONFIG, cpu_port_config);
1581
1582 /*
1583 * Set 'running' flag, and clear output active flag
1584 * and attempt to start the output
1585 */
1586 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1587 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1588
1589 mii = device_get_softc(sc->miibus);
1590 mii_pollstat(mii);
1591 /* Enable DMA. */
1592 write_4(sc, FS_DMA_CONTROL, 1);
1593
1594 callout_reset(&sc->tick_ch, hz, ece_tick, sc);
1595 }
1596
1597 static inline int
1598 ece_encap(struct ece_softc *sc, struct mbuf *m0)
1599 {
1600 struct ifnet *ifp;
1601 bus_dma_segment_t segs[MAX_FRAGMENT];
1602 bus_dmamap_t mapp;
1603 eth_tx_desc_t *desc = 0;
1604 int csum_flags;
1605 int desc_no;
1606 int error;
1607 int nsegs;
1608 int seg;
1609
1610 ifp = sc->ifp;
1611
1612 /* Fetch unused map */
1613 mapp = sc->tx_desc[sc->tx_prod].dmamap;
1614
1615 error = bus_dmamap_load_mbuf_sg(sc->dmatag_ring_tx, mapp,
1616 m0, segs, &nsegs,
1617 BUS_DMA_NOWAIT);
1618
1619 if (error != 0) {
1620 bus_dmamap_unload(sc->dmatag_ring_tx, mapp);
1621 return ((error != 0) ? error : -1);
1622 }
1623
1624 desc = &(sc->desc_tx[sc->desc_curr_tx]);
1625 sc->tx_desc[sc->tx_prod].desc = desc;
1626 sc->tx_desc[sc->tx_prod].buff = m0;
1627 desc_no = sc->desc_curr_tx;
1628
1629 for (seg = 0; seg < nsegs; seg++) {
1630 if (desc->cown == 0 ) {
1631 if_printf(ifp, "ERROR: descriptor is still used\n");
1632 return (-1);
1633 }
1634
1635 desc->length = segs[seg].ds_len;
1636 desc->data_ptr = segs[seg].ds_addr;
1637
1638 if (seg == 0) {
1639 desc->fs = 1;
1640 } else {
1641 desc->fs = 0;
1642 }
1643 if (seg == nsegs - 1) {
1644 desc->ls = 1;
1645 } else {
1646 desc->ls = 0;
1647 }
1648
1649 csum_flags = m0->m_pkthdr.csum_flags;
1650
1651 desc->fr = 1;
1652 desc->pmap = 1;
1653 desc->insv = 0;
1654 desc->ico = 0;
1655 desc->tco = 0;
1656 desc->uco = 0;
1657 desc->interrupt = 1;
1658
1659 if (csum_flags & CSUM_IP) {
1660 desc->ico = 1;
1661 if (csum_flags & CSUM_TCP)
1662 desc->tco = 1;
1663 if (csum_flags & CSUM_UDP)
1664 desc->uco = 1;
1665 }
1666
1667 desc++;
1668 sc->desc_curr_tx = (sc->desc_curr_tx + 1) % ECE_MAX_TX_BUFFERS;
1669 if (sc->desc_curr_tx == 0) {
1670 desc = (eth_tx_desc_t *)&(sc->desc_tx[0]);
1671 }
1672 }
1673
1674 desc = sc->tx_desc[sc->tx_prod].desc;
1675
1676 sc->tx_prod = (sc->tx_prod + 1) % ECE_MAX_TX_BUFFERS;
1677
1678 /*
1679 * After all descriptors are set, we set the flags to start the
1680 * sending proces.
1681 */
1682 for (seg = 0; seg < nsegs; seg++) {
1683 desc->cown = 0;
1684 desc++;
1685 desc_no = (desc_no + 1) % ECE_MAX_TX_BUFFERS;
1686 if (desc_no == 0)
1687 desc = (eth_tx_desc_t *)&(sc->desc_tx[0]);
1688 }
1689
1690 bus_dmamap_sync(sc->dmatag_data_tx, mapp, BUS_DMASYNC_PREWRITE);
1691 return (0);
1692 }
1693
1694 /*
1695 * dequeu packets and transmit
1696 */
1697 static void
1698 ecestart_locked(struct ifnet *ifp)
1699 {
1700 struct ece_softc *sc;
1701 struct mbuf *m0;
1702 uint32_t queued = 0;
1703
1704 sc = ifp->if_softc;
1705 if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) !=
1706 IFF_DRV_RUNNING)
1707 return;
1708
1709 bus_dmamap_sync(sc->dmatag_ring_tx,
1710 sc->dmamap_ring_tx,
1711 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
1712
1713 for (;;) {
1714 /* Get packet from the queue */
1715 IF_DEQUEUE(&ifp->if_snd, m0);
1716 if (m0 == NULL)
1717 break;
1718 if (ece_encap(sc, m0)) {
1719 IF_PREPEND(&ifp->if_snd, m0);
1720 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1721 break;
1722 }
1723 queued++;
1724 BPF_MTAP(ifp, m0);
1725 }
1726 if (queued) {
1727 bus_dmamap_sync(sc->dmatag_ring_tx, sc->dmamap_ring_tx,
1728 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
1729 write_4(sc, TS_DMA_CONTROL, 1);
1730 }
1731 }
1732
1733 static void
1734 eceinit(void *xsc)
1735 {
1736 struct ece_softc *sc = xsc;
1737 ECE_LOCK(sc);
1738 eceinit_locked(sc);
1739 ECE_UNLOCK(sc);
1740 }
1741
1742 static void
1743 ece_tx_task(void *arg, int pending __unused)
1744 {
1745 struct ifnet *ifp;
1746 ifp = (struct ifnet *)arg;
1747 ecestart(ifp);
1748 }
1749
1750 static void
1751 ecestart(struct ifnet *ifp)
1752 {
1753 struct ece_softc *sc = ifp->if_softc;
1754 ECE_TXLOCK(sc);
1755 ecestart_locked(ifp);
1756 ECE_TXUNLOCK(sc);
1757 }
1758
1759 /*
1760 * Turn off interrupts, and stop the nic. Can be called with sc->ifp
1761 * NULL so be careful.
1762 */
1763 static void
1764 ecestop(struct ece_softc *sc)
1765 {
1766 struct ifnet *ifp = sc->ifp;
1767 uint32_t mac_port_config;
1768
1769 write_4(sc, TS_DMA_CONTROL, 0);
1770 write_4(sc, FS_DMA_CONTROL, 0);
1771
1772 if (ifp)
1773 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1774
1775 callout_stop(&sc->tick_ch);
1776
1777 /*Disable Port 0 */
1778 mac_port_config = read_4(sc, MAC_PORT_0_CONFIG);
1779 mac_port_config |= (PORT_DISABLE);
1780 write_4(sc, MAC_PORT_0_CONFIG, mac_port_config);
1781
1782 /*Disable Port 1 */
1783 mac_port_config = read_4(sc, MAC_PORT_1_CONFIG);
1784 mac_port_config |= (PORT_DISABLE);
1785 write_4(sc, MAC_PORT_1_CONFIG, mac_port_config);
1786
1787 /* Disable all interrupt status sources. */
1788 write_4(sc, INTERRUPT_MASK, 0x00001FFF);
1789
1790 /* Clear previous interrupt sources. */
1791 write_4(sc, INTERRUPT_STATUS, 0x00001FFF);
1792
1793 write_4(sc, SWITCH_CONFIG, initial_switch_config);
1794 write_4(sc, CPU_PORT_CONFIG, initial_cpu_config);
1795 write_4(sc, MAC_PORT_0_CONFIG, initial_port0_config);
1796 write_4(sc, MAC_PORT_1_CONFIG, initial_port1_config);
1797
1798 clear_mac_entries(sc, 1);
1799 }
1800
1801 static void
1802 ece_restart(struct ece_softc *sc)
1803 {
1804 struct ifnet *ifp = sc->ifp;
1805
1806 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1807 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1808 /* Enable port 0. */
1809 write_4(sc, PORT_0_CONFIG,
1810 read_4(sc, PORT_0_CONFIG) & ~(PORT_DISABLE));
1811 write_4(sc, INTERRUPT_MASK, 0x00000000);
1812 write_4(sc, FS_DMA_CONTROL, 1);
1813 callout_reset(&sc->tick_ch, hz, ece_tick, sc);
1814 }
1815
1816 static void
1817 set_filter(struct ece_softc *sc)
1818 {
1819 struct ifnet *ifp;
1820 struct ifmultiaddr *ifma;
1821 uint32_t mac_port_config;
1822
1823 ifp = sc->ifp;
1824
1825 clear_mac_entries(sc, 0);
1826 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
1827 mac_port_config = read_4(sc, MAC_PORT_0_CONFIG);
1828 mac_port_config &= ~(DISABLE_BROADCAST_PACKET);
1829 mac_port_config &= ~(DISABLE_MULTICAST_PACKET);
1830 write_4(sc, MAC_PORT_0_CONFIG, mac_port_config);
1831 return;
1832 }
1833 if_maddr_rlock(ifp);
1834 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
1835 if (ifma->ifma_addr->sa_family != AF_LINK)
1836 continue;
1837 add_mac_entry(sc,
1838 LLADDR((struct sockaddr_dl *)ifma->ifma_addr));
1839 }
1840 if_maddr_runlock(ifp);
1841 }
1842
1843 static int
1844 eceioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1845 {
1846 struct ece_softc *sc = ifp->if_softc;
1847 struct mii_data *mii;
1848 struct ifreq *ifr = (struct ifreq *)data;
1849 int mask, error = 0;
1850
1851 switch (cmd) {
1852 case SIOCSIFFLAGS:
1853 ECE_LOCK(sc);
1854 if ((ifp->if_flags & IFF_UP) == 0 &&
1855 ifp->if_drv_flags & IFF_DRV_RUNNING) {
1856 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1857 ecestop(sc);
1858 } else {
1859 /* Reinitialize card on any parameter change. */
1860 if ((ifp->if_flags & IFF_UP) &&
1861 !(ifp->if_drv_flags & IFF_DRV_RUNNING))
1862 ece_restart(sc);
1863 }
1864 ECE_UNLOCK(sc);
1865 break;
1866
1867 case SIOCADDMULTI:
1868 case SIOCDELMULTI:
1869 ECE_LOCK(sc);
1870 set_filter(sc);
1871 ECE_UNLOCK(sc);
1872 break;
1873
1874 case SIOCSIFMEDIA:
1875 case SIOCGIFMEDIA:
1876 mii = device_get_softc(sc->miibus);
1877 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd);
1878 break;
1879 case SIOCSIFCAP:
1880 mask = ifp->if_capenable ^ ifr->ifr_reqcap;
1881 if (mask & IFCAP_VLAN_MTU) {
1882 ECE_LOCK(sc);
1883 ECE_UNLOCK(sc);
1884 }
1885 default:
1886 error = ether_ioctl(ifp, cmd, data);
1887 break;
1888 }
1889 return (error);
1890 }
1891
1892 static void
1893 ece_child_detached(device_t dev, device_t child)
1894 {
1895 struct ece_softc *sc;
1896
1897 sc = device_get_softc(dev);
1898 if (child == sc->miibus)
1899 sc->miibus = NULL;
1900 }
1901
1902 /*
1903 * MII bus support routines.
1904 */
1905 static int
1906 ece_miibus_readreg(device_t dev, int phy, int reg)
1907 {
1908 struct ece_softc *sc;
1909 sc = device_get_softc(dev);
1910 return (phy_read(sc, phy, reg));
1911 }
1912
1913 static int
1914 ece_miibus_writereg(device_t dev, int phy, int reg, int data)
1915 {
1916 struct ece_softc *sc;
1917 sc = device_get_softc(dev);
1918 phy_write(sc, phy, reg, data);
1919 return (0);
1920 }
1921
1922 static device_method_t ece_methods[] = {
1923 /* Device interface */
1924 DEVMETHOD(device_probe, ece_probe),
1925 DEVMETHOD(device_attach, ece_attach),
1926 DEVMETHOD(device_detach, ece_detach),
1927
1928 /* Bus interface */
1929 DEVMETHOD(bus_child_detached, ece_child_detached),
1930
1931 /* MII interface */
1932 DEVMETHOD(miibus_readreg, ece_miibus_readreg),
1933 DEVMETHOD(miibus_writereg, ece_miibus_writereg),
1934
1935 { 0, 0 }
1936 };
1937
1938 static driver_t ece_driver = {
1939 "ece",
1940 ece_methods,
1941 sizeof(struct ece_softc),
1942 };
1943
1944 DRIVER_MODULE(ece, econaarm, ece_driver, ece_devclass, 0, 0);
1945 DRIVER_MODULE(miibus, ece, miibus_driver, miibus_devclass, 0, 0);
1946 MODULE_DEPEND(ece, miibus, 1, 1, 1);
1947 MODULE_DEPEND(ece, ether, 1, 1, 1);
Cache object: bdc1d68093a46f445e1830819eead8ef
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