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46
47static const char version[] =
48 "smc91x.c: v1.1, sep 22 2004 by Nicolas Pitre <nico@fluxnic.net>";
49
50
51#ifndef SMC_DEBUG
52#define SMC_DEBUG 0
53#endif
54
55
56#include <linux/module.h>
57#include <linux/kernel.h>
58#include <linux/sched.h>
59#include <linux/delay.h>
60#include <linux/interrupt.h>
61#include <linux/irq.h>
62#include <linux/errno.h>
63#include <linux/ioport.h>
64#include <linux/crc32.h>
65#include <linux/platform_device.h>
66#include <linux/spinlock.h>
67#include <linux/ethtool.h>
68#include <linux/mii.h>
69#include <linux/workqueue.h>
70#include <linux/of.h>
71#include <linux/of_device.h>
72#include <linux/of_gpio.h>
73
74#include <linux/netdevice.h>
75#include <linux/etherdevice.h>
76#include <linux/skbuff.h>
77
78#include <asm/io.h>
79
80#include "smc91x.h"
81
82#if defined(CONFIG_ASSABET_NEPONSET)
83#include <mach/assabet.h>
84#include <mach/neponset.h>
85#endif
86
87#ifndef SMC_NOWAIT
88# define SMC_NOWAIT 0
89#endif
90static int nowait = SMC_NOWAIT;
91module_param(nowait, int, 0400);
92MODULE_PARM_DESC(nowait, "set to 1 for no wait state");
93
94
95
96
97static int watchdog = 1000;
98module_param(watchdog, int, 0400);
99MODULE_PARM_DESC(watchdog, "transmit timeout in milliseconds");
100
101MODULE_LICENSE("GPL");
102MODULE_ALIAS("platform:smc91x");
103
104
105
106
107
108
109#define CARDNAME "smc91x"
110
111
112
113
114#define POWER_DOWN 1
115
116
117
118
119
120
121#define MEMORY_WAIT_TIME 16
122
123
124
125
126
127#define MAX_IRQ_LOOPS 8
128
129
130
131
132
133
134
135
136#define THROTTLE_TX_PKTS 0
137
138
139
140
141
142#define MII_DELAY 1
143
144#define DBG(n, dev, fmt, ...) \
145 do { \
146 if (SMC_DEBUG >= (n)) \
147 netdev_dbg(dev, fmt, ##__VA_ARGS__); \
148 } while (0)
149
150#define PRINTK(dev, fmt, ...) \
151 do { \
152 if (SMC_DEBUG > 0) \
153 netdev_info(dev, fmt, ##__VA_ARGS__); \
154 else \
155 netdev_dbg(dev, fmt, ##__VA_ARGS__); \
156 } while (0)
157
158#if SMC_DEBUG > 3
159static void PRINT_PKT(u_char *buf, int length)
160{
161 int i;
162 int remainder;
163 int lines;
164
165 lines = length / 16;
166 remainder = length % 16;
167
168 for (i = 0; i < lines ; i ++) {
169 int cur;
170 printk(KERN_DEBUG);
171 for (cur = 0; cur < 8; cur++) {
172 u_char a, b;
173 a = *buf++;
174 b = *buf++;
175 pr_cont("%02x%02x ", a, b);
176 }
177 pr_cont("\n");
178 }
179 printk(KERN_DEBUG);
180 for (i = 0; i < remainder/2 ; i++) {
181 u_char a, b;
182 a = *buf++;
183 b = *buf++;
184 pr_cont("%02x%02x ", a, b);
185 }
186 pr_cont("\n");
187}
188#else
189static inline void PRINT_PKT(u_char *buf, int length) { }
190#endif
191
192
193
194#define SMC_ENABLE_INT(lp, x) do { \
195 unsigned char mask; \
196 unsigned long smc_enable_flags; \
197 spin_lock_irqsave(&lp->lock, smc_enable_flags); \
198 mask = SMC_GET_INT_MASK(lp); \
199 mask |= (x); \
200 SMC_SET_INT_MASK(lp, mask); \
201 spin_unlock_irqrestore(&lp->lock, smc_enable_flags); \
202} while (0)
203
204
205#define SMC_DISABLE_INT(lp, x) do { \
206 unsigned char mask; \
207 unsigned long smc_disable_flags; \
208 spin_lock_irqsave(&lp->lock, smc_disable_flags); \
209 mask = SMC_GET_INT_MASK(lp); \
210 mask &= ~(x); \
211 SMC_SET_INT_MASK(lp, mask); \
212 spin_unlock_irqrestore(&lp->lock, smc_disable_flags); \
213} while (0)
214
215
216
217
218
219
220#define SMC_WAIT_MMU_BUSY(lp) do { \
221 if (unlikely(SMC_GET_MMU_CMD(lp) & MC_BUSY)) { \
222 unsigned long timeout = jiffies + 2; \
223 while (SMC_GET_MMU_CMD(lp) & MC_BUSY) { \
224 if (time_after(jiffies, timeout)) { \
225 netdev_dbg(dev, "timeout %s line %d\n", \
226 __FILE__, __LINE__); \
227 break; \
228 } \
229 cpu_relax(); \
230 } \
231 } \
232} while (0)
233
234
235
236
237
238static void smc_reset(struct net_device *dev)
239{
240 struct smc_local *lp = netdev_priv(dev);
241 void __iomem *ioaddr = lp->base;
242 unsigned int ctl, cfg;
243 struct sk_buff *pending_skb;
244
245 DBG(2, dev, "%s\n", __func__);
246
247
248 spin_lock_irq(&lp->lock);
249 SMC_SELECT_BANK(lp, 2);
250 SMC_SET_INT_MASK(lp, 0);
251 pending_skb = lp->pending_tx_skb;
252 lp->pending_tx_skb = NULL;
253 spin_unlock_irq(&lp->lock);
254
255
256 if (pending_skb) {
257 dev_kfree_skb(pending_skb);
258 dev->stats.tx_errors++;
259 dev->stats.tx_aborted_errors++;
260 }
261
262
263
264
265
266 SMC_SELECT_BANK(lp, 0);
267 SMC_SET_RCR(lp, RCR_SOFTRST);
268
269
270
271
272
273
274 SMC_SELECT_BANK(lp, 1);
275
276 cfg = CONFIG_DEFAULT;
277
278
279
280
281
282
283 if (lp->cfg.flags & SMC91X_NOWAIT)
284 cfg |= CONFIG_NO_WAIT;
285
286
287
288
289
290 cfg |= CONFIG_EPH_POWER_EN;
291
292 SMC_SET_CONFIG(lp, cfg);
293
294
295
296
297
298
299
300
301
302 udelay(1);
303
304
305 SMC_SELECT_BANK(lp, 0);
306 SMC_SET_RCR(lp, RCR_CLEAR);
307 SMC_SET_TCR(lp, TCR_CLEAR);
308
309 SMC_SELECT_BANK(lp, 1);
310 ctl = SMC_GET_CTL(lp) | CTL_LE_ENABLE;
311
312
313
314
315
316
317 if(!THROTTLE_TX_PKTS)
318 ctl |= CTL_AUTO_RELEASE;
319 else
320 ctl &= ~CTL_AUTO_RELEASE;
321 SMC_SET_CTL(lp, ctl);
322
323
324 SMC_SELECT_BANK(lp, 2);
325 SMC_SET_MMU_CMD(lp, MC_RESET);
326 SMC_WAIT_MMU_BUSY(lp);
327}
328
329
330
331
332static void smc_enable(struct net_device *dev)
333{
334 struct smc_local *lp = netdev_priv(dev);
335 void __iomem *ioaddr = lp->base;
336 int mask;
337
338 DBG(2, dev, "%s\n", __func__);
339
340
341 SMC_SELECT_BANK(lp, 0);
342 SMC_SET_TCR(lp, lp->tcr_cur_mode);
343 SMC_SET_RCR(lp, lp->rcr_cur_mode);
344
345 SMC_SELECT_BANK(lp, 1);
346 SMC_SET_MAC_ADDR(lp, dev->dev_addr);
347
348
349 mask = IM_EPH_INT|IM_RX_OVRN_INT|IM_RCV_INT;
350 if (lp->version >= (CHIP_91100 << 4))
351 mask |= IM_MDINT;
352 SMC_SELECT_BANK(lp, 2);
353 SMC_SET_INT_MASK(lp, mask);
354
355
356
357
358
359
360
361}
362
363
364
365
366static void smc_shutdown(struct net_device *dev)
367{
368 struct smc_local *lp = netdev_priv(dev);
369 void __iomem *ioaddr = lp->base;
370 struct sk_buff *pending_skb;
371
372 DBG(2, dev, "%s: %s\n", CARDNAME, __func__);
373
374
375 spin_lock_irq(&lp->lock);
376 SMC_SELECT_BANK(lp, 2);
377 SMC_SET_INT_MASK(lp, 0);
378 pending_skb = lp->pending_tx_skb;
379 lp->pending_tx_skb = NULL;
380 spin_unlock_irq(&lp->lock);
381 dev_kfree_skb(pending_skb);
382
383
384 SMC_SELECT_BANK(lp, 0);
385 SMC_SET_RCR(lp, RCR_CLEAR);
386 SMC_SET_TCR(lp, TCR_CLEAR);
387
388#ifdef POWER_DOWN
389
390 SMC_SELECT_BANK(lp, 1);
391 SMC_SET_CONFIG(lp, SMC_GET_CONFIG(lp) & ~CONFIG_EPH_POWER_EN);
392#endif
393}
394
395
396
397
398static inline void smc_rcv(struct net_device *dev)
399{
400 struct smc_local *lp = netdev_priv(dev);
401 void __iomem *ioaddr = lp->base;
402 unsigned int packet_number, status, packet_len;
403
404 DBG(3, dev, "%s\n", __func__);
405
406 packet_number = SMC_GET_RXFIFO(lp);
407 if (unlikely(packet_number & RXFIFO_REMPTY)) {
408 PRINTK(dev, "smc_rcv with nothing on FIFO.\n");
409 return;
410 }
411
412
413 SMC_SET_PTR(lp, PTR_READ | PTR_RCV | PTR_AUTOINC);
414
415
416 SMC_GET_PKT_HDR(lp, status, packet_len);
417 packet_len &= 0x07ff;
418 DBG(2, dev, "RX PNR 0x%x STATUS 0x%04x LENGTH 0x%04x (%d)\n",
419 packet_number, status, packet_len, packet_len);
420
421 back:
422 if (unlikely(packet_len < 6 || status & RS_ERRORS)) {
423 if (status & RS_TOOLONG && packet_len <= (1514 + 4 + 6)) {
424
425 status &= ~RS_TOOLONG;
426 goto back;
427 }
428 if (packet_len < 6) {
429
430 netdev_err(dev, "fubar (rxlen %u status %x\n",
431 packet_len, status);
432 status |= RS_TOOSHORT;
433 }
434 SMC_WAIT_MMU_BUSY(lp);
435 SMC_SET_MMU_CMD(lp, MC_RELEASE);
436 dev->stats.rx_errors++;
437 if (status & RS_ALGNERR)
438 dev->stats.rx_frame_errors++;
439 if (status & (RS_TOOSHORT | RS_TOOLONG))
440 dev->stats.rx_length_errors++;
441 if (status & RS_BADCRC)
442 dev->stats.rx_crc_errors++;
443 } else {
444 struct sk_buff *skb;
445 unsigned char *data;
446 unsigned int data_len;
447
448
449 if (status & RS_MULTICAST)
450 dev->stats.multicast++;
451
452
453
454
455
456
457
458
459
460 skb = netdev_alloc_skb(dev, packet_len);
461 if (unlikely(skb == NULL)) {
462 SMC_WAIT_MMU_BUSY(lp);
463 SMC_SET_MMU_CMD(lp, MC_RELEASE);
464 dev->stats.rx_dropped++;
465 return;
466 }
467
468
469 skb_reserve(skb, 2);
470
471
472 if (lp->version == 0x90)
473 status |= RS_ODDFRAME;
474
475
476
477
478
479
480 data_len = packet_len - ((status & RS_ODDFRAME) ? 5 : 6);
481 data = skb_put(skb, data_len);
482 SMC_PULL_DATA(lp, data, packet_len - 4);
483
484 SMC_WAIT_MMU_BUSY(lp);
485 SMC_SET_MMU_CMD(lp, MC_RELEASE);
486
487 PRINT_PKT(data, packet_len - 4);
488
489 skb->protocol = eth_type_trans(skb, dev);
490 netif_rx(skb);
491 dev->stats.rx_packets++;
492 dev->stats.rx_bytes += data_len;
493 }
494}
495
496#ifdef CONFIG_SMP
497
498
499
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501
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505
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508
509
510
511
512
513
514
515
516
517
518#define smc_special_trylock(lock, flags) \
519({ \
520 int __ret; \
521 local_irq_save(flags); \
522 __ret = spin_trylock(lock); \
523 if (!__ret) \
524 local_irq_restore(flags); \
525 __ret; \
526})
527#define smc_special_lock(lock, flags) spin_lock_irqsave(lock, flags)
528#define smc_special_unlock(lock, flags) spin_unlock_irqrestore(lock, flags)
529#else
530#define smc_special_trylock(lock, flags) ((void)flags, true)
531#define smc_special_lock(lock, flags) do { flags = 0; } while (0)
532#define smc_special_unlock(lock, flags) do { flags = 0; } while (0)
533#endif
534
535
536
537
538static void smc_hardware_send_pkt(struct tasklet_struct *t)
539{
540 struct smc_local *lp = from_tasklet(lp, t, tx_task);
541 struct net_device *dev = lp->dev;
542 void __iomem *ioaddr = lp->base;
543 struct sk_buff *skb;
544 unsigned int packet_no, len;
545 unsigned char *buf;
546 unsigned long flags;
547
548 DBG(3, dev, "%s\n", __func__);
549
550 if (!smc_special_trylock(&lp->lock, flags)) {
551 netif_stop_queue(dev);
552 tasklet_schedule(&lp->tx_task);
553 return;
554 }
555
556 skb = lp->pending_tx_skb;
557 if (unlikely(!skb)) {
558 smc_special_unlock(&lp->lock, flags);
559 return;
560 }
561 lp->pending_tx_skb = NULL;
562
563 packet_no = SMC_GET_AR(lp);
564 if (unlikely(packet_no & AR_FAILED)) {
565 netdev_err(dev, "Memory allocation failed.\n");
566 dev->stats.tx_errors++;
567 dev->stats.tx_fifo_errors++;
568 smc_special_unlock(&lp->lock, flags);
569 goto done;
570 }
571
572
573 SMC_SET_PN(lp, packet_no);
574 SMC_SET_PTR(lp, PTR_AUTOINC);
575
576 buf = skb->data;
577 len = skb->len;
578 DBG(2, dev, "TX PNR 0x%x LENGTH 0x%04x (%d) BUF 0x%p\n",
579 packet_no, len, len, buf);
580 PRINT_PKT(buf, len);
581
582
583
584
585
586 SMC_PUT_PKT_HDR(lp, 0, len + 6);
587
588
589 SMC_PUSH_DATA(lp, buf, len & ~1);
590
591
592 SMC_outw(lp, ((len & 1) ? (0x2000 | buf[len - 1]) : 0), ioaddr,
593 DATA_REG(lp));
594
595
596
597
598
599
600
601
602
603 if (THROTTLE_TX_PKTS)
604 netif_stop_queue(dev);
605
606
607 SMC_SET_MMU_CMD(lp, MC_ENQUEUE);
608 smc_special_unlock(&lp->lock, flags);
609
610 netif_trans_update(dev);
611 dev->stats.tx_packets++;
612 dev->stats.tx_bytes += len;
613
614 SMC_ENABLE_INT(lp, IM_TX_INT | IM_TX_EMPTY_INT);
615
616done: if (!THROTTLE_TX_PKTS)
617 netif_wake_queue(dev);
618
619 dev_consume_skb_any(skb);
620}
621
622
623
624
625
626
627
628static netdev_tx_t
629smc_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
630{
631 struct smc_local *lp = netdev_priv(dev);
632 void __iomem *ioaddr = lp->base;
633 unsigned int numPages, poll_count, status;
634 unsigned long flags;
635
636 DBG(3, dev, "%s\n", __func__);
637
638 BUG_ON(lp->pending_tx_skb != NULL);
639
640
641
642
643
644
645
646
647
648
649
650
651 numPages = ((skb->len & ~1) + (6 - 1)) >> 8;
652 if (unlikely(numPages > 7)) {
653 netdev_warn(dev, "Far too big packet error.\n");
654 dev->stats.tx_errors++;
655 dev->stats.tx_dropped++;
656 dev_kfree_skb_any(skb);
657 return NETDEV_TX_OK;
658 }
659
660 smc_special_lock(&lp->lock, flags);
661
662
663 SMC_SET_MMU_CMD(lp, MC_ALLOC | numPages);
664
665
666
667
668
669 poll_count = MEMORY_WAIT_TIME;
670 do {
671 status = SMC_GET_INT(lp);
672 if (status & IM_ALLOC_INT) {
673 SMC_ACK_INT(lp, IM_ALLOC_INT);
674 break;
675 }
676 } while (--poll_count);
677
678 smc_special_unlock(&lp->lock, flags);
679
680 lp->pending_tx_skb = skb;
681 if (!poll_count) {
682
683 netif_stop_queue(dev);
684 DBG(2, dev, "TX memory allocation deferred.\n");
685 SMC_ENABLE_INT(lp, IM_ALLOC_INT);
686 } else {
687
688
689
690
691 smc_hardware_send_pkt(&lp->tx_task);
692 }
693
694 return NETDEV_TX_OK;
695}
696
697
698
699
700
701
702static void smc_tx(struct net_device *dev)
703{
704 struct smc_local *lp = netdev_priv(dev);
705 void __iomem *ioaddr = lp->base;
706 unsigned int saved_packet, packet_no, tx_status;
707 unsigned int pkt_len __always_unused;
708
709 DBG(3, dev, "%s\n", __func__);
710
711
712 packet_no = SMC_GET_TXFIFO(lp);
713 if (unlikely(packet_no & TXFIFO_TEMPTY)) {
714 PRINTK(dev, "smc_tx with nothing on FIFO.\n");
715 return;
716 }
717
718
719 saved_packet = SMC_GET_PN(lp);
720 SMC_SET_PN(lp, packet_no);
721
722
723 SMC_SET_PTR(lp, PTR_AUTOINC | PTR_READ);
724 SMC_GET_PKT_HDR(lp, tx_status, pkt_len);
725 DBG(2, dev, "TX STATUS 0x%04x PNR 0x%02x\n",
726 tx_status, packet_no);
727
728 if (!(tx_status & ES_TX_SUC))
729 dev->stats.tx_errors++;
730
731 if (tx_status & ES_LOSTCARR)
732 dev->stats.tx_carrier_errors++;
733
734 if (tx_status & (ES_LATCOL | ES_16COL)) {
735 PRINTK(dev, "%s occurred on last xmit\n",
736 (tx_status & ES_LATCOL) ?
737 "late collision" : "too many collisions");
738 dev->stats.tx_window_errors++;
739 if (!(dev->stats.tx_window_errors & 63) && net_ratelimit()) {
740 netdev_info(dev, "unexpectedly large number of bad collisions. Please check duplex setting.\n");
741 }
742 }
743
744
745 SMC_WAIT_MMU_BUSY(lp);
746 SMC_SET_MMU_CMD(lp, MC_FREEPKT);
747
748
749 SMC_WAIT_MMU_BUSY(lp);
750 SMC_SET_PN(lp, saved_packet);
751
752
753 SMC_SELECT_BANK(lp, 0);
754 SMC_SET_TCR(lp, lp->tcr_cur_mode);
755 SMC_SELECT_BANK(lp, 2);
756}
757
758
759
760
761static void smc_mii_out(struct net_device *dev, unsigned int val, int bits)
762{
763 struct smc_local *lp = netdev_priv(dev);
764 void __iomem *ioaddr = lp->base;
765 unsigned int mii_reg, mask;
766
767 mii_reg = SMC_GET_MII(lp) & ~(MII_MCLK | MII_MDOE | MII_MDO);
768 mii_reg |= MII_MDOE;
769
770 for (mask = 1 << (bits - 1); mask; mask >>= 1) {
771 if (val & mask)
772 mii_reg |= MII_MDO;
773 else
774 mii_reg &= ~MII_MDO;
775
776 SMC_SET_MII(lp, mii_reg);
777 udelay(MII_DELAY);
778 SMC_SET_MII(lp, mii_reg | MII_MCLK);
779 udelay(MII_DELAY);
780 }
781}
782
783static unsigned int smc_mii_in(struct net_device *dev, int bits)
784{
785 struct smc_local *lp = netdev_priv(dev);
786 void __iomem *ioaddr = lp->base;
787 unsigned int mii_reg, mask, val;
788
789 mii_reg = SMC_GET_MII(lp) & ~(MII_MCLK | MII_MDOE | MII_MDO);
790 SMC_SET_MII(lp, mii_reg);
791
792 for (mask = 1 << (bits - 1), val = 0; mask; mask >>= 1) {
793 if (SMC_GET_MII(lp) & MII_MDI)
794 val |= mask;
795
796 SMC_SET_MII(lp, mii_reg);
797 udelay(MII_DELAY);
798 SMC_SET_MII(lp, mii_reg | MII_MCLK);
799 udelay(MII_DELAY);
800 }
801
802 return val;
803}
804
805
806
807
808static int smc_phy_read(struct net_device *dev, int phyaddr, int phyreg)
809{
810 struct smc_local *lp = netdev_priv(dev);
811 void __iomem *ioaddr = lp->base;
812 unsigned int phydata;
813
814 SMC_SELECT_BANK(lp, 3);
815
816
817 smc_mii_out(dev, 0xffffffff, 32);
818
819
820 smc_mii_out(dev, 6 << 10 | phyaddr << 5 | phyreg, 14);
821
822
823 phydata = smc_mii_in(dev, 18);
824
825
826 SMC_SET_MII(lp, SMC_GET_MII(lp) & ~(MII_MCLK|MII_MDOE|MII_MDO));
827
828 DBG(3, dev, "%s: phyaddr=0x%x, phyreg=0x%x, phydata=0x%x\n",
829 __func__, phyaddr, phyreg, phydata);
830
831 SMC_SELECT_BANK(lp, 2);
832 return phydata;
833}
834
835
836
837
838static void smc_phy_write(struct net_device *dev, int phyaddr, int phyreg,
839 int phydata)
840{
841 struct smc_local *lp = netdev_priv(dev);
842 void __iomem *ioaddr = lp->base;
843
844 SMC_SELECT_BANK(lp, 3);
845
846
847 smc_mii_out(dev, 0xffffffff, 32);
848
849
850 smc_mii_out(dev, 5 << 28 | phyaddr << 23 | phyreg << 18 | 2 << 16 | phydata, 32);
851
852
853 SMC_SET_MII(lp, SMC_GET_MII(lp) & ~(MII_MCLK|MII_MDOE|MII_MDO));
854
855 DBG(3, dev, "%s: phyaddr=0x%x, phyreg=0x%x, phydata=0x%x\n",
856 __func__, phyaddr, phyreg, phydata);
857
858 SMC_SELECT_BANK(lp, 2);
859}
860
861
862
863
864static void smc_phy_detect(struct net_device *dev)
865{
866 struct smc_local *lp = netdev_priv(dev);
867 int phyaddr;
868
869 DBG(2, dev, "%s\n", __func__);
870
871 lp->phy_type = 0;
872
873
874
875
876
877 for (phyaddr = 1; phyaddr < 33; ++phyaddr) {
878 unsigned int id1, id2;
879
880
881 id1 = smc_phy_read(dev, phyaddr & 31, MII_PHYSID1);
882 id2 = smc_phy_read(dev, phyaddr & 31, MII_PHYSID2);
883
884 DBG(3, dev, "phy_id1=0x%x, phy_id2=0x%x\n",
885 id1, id2);
886
887
888 if (id1 != 0x0000 && id1 != 0xffff && id1 != 0x8000 &&
889 id2 != 0x0000 && id2 != 0xffff && id2 != 0x8000) {
890
891 lp->mii.phy_id = phyaddr & 31;
892 lp->phy_type = id1 << 16 | id2;
893 break;
894 }
895 }
896}
897
898
899
900
901static int smc_phy_fixed(struct net_device *dev)
902{
903 struct smc_local *lp = netdev_priv(dev);
904 void __iomem *ioaddr = lp->base;
905 int phyaddr = lp->mii.phy_id;
906 int bmcr, cfg1;
907
908 DBG(3, dev, "%s\n", __func__);
909
910
911 cfg1 = smc_phy_read(dev, phyaddr, PHY_CFG1_REG);
912 cfg1 |= PHY_CFG1_LNKDIS;
913 smc_phy_write(dev, phyaddr, PHY_CFG1_REG, cfg1);
914
915
916
917
918
919 bmcr = 0;
920
921 if (lp->ctl_rfduplx)
922 bmcr |= BMCR_FULLDPLX;
923
924 if (lp->ctl_rspeed == 100)
925 bmcr |= BMCR_SPEED100;
926
927
928 smc_phy_write(dev, phyaddr, MII_BMCR, bmcr);
929
930
931 SMC_SELECT_BANK(lp, 0);
932 SMC_SET_RPC(lp, lp->rpc_cur_mode);
933 SMC_SELECT_BANK(lp, 2);
934
935 return 1;
936}
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951static int smc_phy_reset(struct net_device *dev, int phy)
952{
953 struct smc_local *lp = netdev_priv(dev);
954 unsigned int bmcr;
955 int timeout;
956
957 smc_phy_write(dev, phy, MII_BMCR, BMCR_RESET);
958
959 for (timeout = 2; timeout; timeout--) {
960 spin_unlock_irq(&lp->lock);
961 msleep(50);
962 spin_lock_irq(&lp->lock);
963
964 bmcr = smc_phy_read(dev, phy, MII_BMCR);
965 if (!(bmcr & BMCR_RESET))
966 break;
967 }
968
969 return bmcr & BMCR_RESET;
970}
971
972
973
974
975
976
977
978static void smc_phy_powerdown(struct net_device *dev)
979{
980 struct smc_local *lp = netdev_priv(dev);
981 unsigned int bmcr;
982 int phy = lp->mii.phy_id;
983
984 if (lp->phy_type == 0)
985 return;
986
987
988
989
990 cancel_work_sync(&lp->phy_configure);
991
992 bmcr = smc_phy_read(dev, phy, MII_BMCR);
993 smc_phy_write(dev, phy, MII_BMCR, bmcr | BMCR_PDOWN);
994}
995
996
997
998
999
1000
1001
1002
1003
1004static void smc_phy_check_media(struct net_device *dev, int init)
1005{
1006 struct smc_local *lp = netdev_priv(dev);
1007 void __iomem *ioaddr = lp->base;
1008
1009 if (mii_check_media(&lp->mii, netif_msg_link(lp), init)) {
1010
1011 if (lp->mii.full_duplex) {
1012 lp->tcr_cur_mode |= TCR_SWFDUP;
1013 } else {
1014 lp->tcr_cur_mode &= ~TCR_SWFDUP;
1015 }
1016
1017 SMC_SELECT_BANK(lp, 0);
1018 SMC_SET_TCR(lp, lp->tcr_cur_mode);
1019 }
1020}
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031static void smc_phy_configure(struct work_struct *work)
1032{
1033 struct smc_local *lp =
1034 container_of(work, struct smc_local, phy_configure);
1035 struct net_device *dev = lp->dev;
1036 void __iomem *ioaddr = lp->base;
1037 int phyaddr = lp->mii.phy_id;
1038 int my_phy_caps;
1039 int my_ad_caps;
1040
1041 DBG(3, dev, "smc_program_phy()\n");
1042
1043 spin_lock_irq(&lp->lock);
1044
1045
1046
1047
1048 if (lp->phy_type == 0)
1049 goto smc_phy_configure_exit;
1050
1051 if (smc_phy_reset(dev, phyaddr)) {
1052 netdev_info(dev, "PHY reset timed out\n");
1053 goto smc_phy_configure_exit;
1054 }
1055
1056
1057
1058
1059
1060 smc_phy_write(dev, phyaddr, PHY_MASK_REG,
1061 PHY_INT_LOSSSYNC | PHY_INT_CWRD | PHY_INT_SSD |
1062 PHY_INT_ESD | PHY_INT_RPOL | PHY_INT_JAB |
1063 PHY_INT_SPDDET | PHY_INT_DPLXDET);
1064
1065
1066 SMC_SELECT_BANK(lp, 0);
1067 SMC_SET_RPC(lp, lp->rpc_cur_mode);
1068
1069
1070 if (lp->mii.force_media) {
1071 smc_phy_fixed(dev);
1072 goto smc_phy_configure_exit;
1073 }
1074
1075
1076 my_phy_caps = smc_phy_read(dev, phyaddr, MII_BMSR);
1077
1078 if (!(my_phy_caps & BMSR_ANEGCAPABLE)) {
1079 netdev_info(dev, "Auto negotiation NOT supported\n");
1080 smc_phy_fixed(dev);
1081 goto smc_phy_configure_exit;
1082 }
1083
1084 my_ad_caps = ADVERTISE_CSMA;
1085
1086 if (my_phy_caps & BMSR_100BASE4)
1087 my_ad_caps |= ADVERTISE_100BASE4;
1088 if (my_phy_caps & BMSR_100FULL)
1089 my_ad_caps |= ADVERTISE_100FULL;
1090 if (my_phy_caps & BMSR_100HALF)
1091 my_ad_caps |= ADVERTISE_100HALF;
1092 if (my_phy_caps & BMSR_10FULL)
1093 my_ad_caps |= ADVERTISE_10FULL;
1094 if (my_phy_caps & BMSR_10HALF)
1095 my_ad_caps |= ADVERTISE_10HALF;
1096
1097
1098 if (lp->ctl_rspeed != 100)
1099 my_ad_caps &= ~(ADVERTISE_100BASE4|ADVERTISE_100FULL|ADVERTISE_100HALF);
1100
1101 if (!lp->ctl_rfduplx)
1102 my_ad_caps &= ~(ADVERTISE_100FULL|ADVERTISE_10FULL);
1103
1104
1105 smc_phy_write(dev, phyaddr, MII_ADVERTISE, my_ad_caps);
1106 lp->mii.advertising = my_ad_caps;
1107
1108
1109
1110
1111
1112
1113 smc_phy_read(dev, phyaddr, MII_ADVERTISE);
1114
1115 DBG(2, dev, "phy caps=%x\n", my_phy_caps);
1116 DBG(2, dev, "phy advertised caps=%x\n", my_ad_caps);
1117
1118
1119 smc_phy_write(dev, phyaddr, MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART);
1120
1121 smc_phy_check_media(dev, 1);
1122
1123smc_phy_configure_exit:
1124 SMC_SELECT_BANK(lp, 2);
1125 spin_unlock_irq(&lp->lock);
1126}
1127
1128
1129
1130
1131
1132
1133
1134static void smc_phy_interrupt(struct net_device *dev)
1135{
1136 struct smc_local *lp = netdev_priv(dev);
1137 int phyaddr = lp->mii.phy_id;
1138 int phy18;
1139
1140 DBG(2, dev, "%s\n", __func__);
1141
1142 if (lp->phy_type == 0)
1143 return;
1144
1145 for(;;) {
1146 smc_phy_check_media(dev, 0);
1147
1148
1149 phy18 = smc_phy_read(dev, phyaddr, PHY_INT_REG);
1150 if ((phy18 & PHY_INT_INT) == 0)
1151 break;
1152 }
1153}
1154
1155
1156
1157static void smc_10bt_check_media(struct net_device *dev, int init)
1158{
1159 struct smc_local *lp = netdev_priv(dev);
1160 void __iomem *ioaddr = lp->base;
1161 unsigned int old_carrier, new_carrier;
1162
1163 old_carrier = netif_carrier_ok(dev) ? 1 : 0;
1164
1165 SMC_SELECT_BANK(lp, 0);
1166 new_carrier = (SMC_GET_EPH_STATUS(lp) & ES_LINK_OK) ? 1 : 0;
1167 SMC_SELECT_BANK(lp, 2);
1168
1169 if (init || (old_carrier != new_carrier)) {
1170 if (!new_carrier) {
1171 netif_carrier_off(dev);
1172 } else {
1173 netif_carrier_on(dev);
1174 }
1175 if (netif_msg_link(lp))
1176 netdev_info(dev, "link %s\n",
1177 new_carrier ? "up" : "down");
1178 }
1179}
1180
1181static void smc_eph_interrupt(struct net_device *dev)
1182{
1183 struct smc_local *lp = netdev_priv(dev);
1184 void __iomem *ioaddr = lp->base;
1185 unsigned int ctl;
1186
1187 smc_10bt_check_media(dev, 0);
1188
1189 SMC_SELECT_BANK(lp, 1);
1190 ctl = SMC_GET_CTL(lp);
1191 SMC_SET_CTL(lp, ctl & ~CTL_LE_ENABLE);
1192 SMC_SET_CTL(lp, ctl);
1193 SMC_SELECT_BANK(lp, 2);
1194}
1195
1196
1197
1198
1199
1200static irqreturn_t smc_interrupt(int irq, void *dev_id)
1201{
1202 struct net_device *dev = dev_id;
1203 struct smc_local *lp = netdev_priv(dev);
1204 void __iomem *ioaddr = lp->base;
1205 int status, mask, timeout, card_stats;
1206 int saved_pointer;
1207
1208 DBG(3, dev, "%s\n", __func__);
1209
1210 spin_lock(&lp->lock);
1211
1212
1213
1214
1215 SMC_INTERRUPT_PREAMBLE;
1216
1217 saved_pointer = SMC_GET_PTR(lp);
1218 mask = SMC_GET_INT_MASK(lp);
1219 SMC_SET_INT_MASK(lp, 0);
1220
1221
1222 timeout = MAX_IRQ_LOOPS;
1223
1224 do {
1225 status = SMC_GET_INT(lp);
1226
1227 DBG(2, dev, "INT 0x%02x MASK 0x%02x MEM 0x%04x FIFO 0x%04x\n",
1228 status, mask,
1229 ({ int meminfo; SMC_SELECT_BANK(lp, 0);
1230 meminfo = SMC_GET_MIR(lp);
1231 SMC_SELECT_BANK(lp, 2); meminfo; }),
1232 SMC_GET_FIFO(lp));
1233
1234 status &= mask;
1235 if (!status)
1236 break;
1237
1238 if (status & IM_TX_INT) {
1239
1240 DBG(3, dev, "TX int\n");
1241 smc_tx(dev);
1242 SMC_ACK_INT(lp, IM_TX_INT);
1243 if (THROTTLE_TX_PKTS)
1244 netif_wake_queue(dev);
1245 } else if (status & IM_RCV_INT) {
1246 DBG(3, dev, "RX irq\n");
1247 smc_rcv(dev);
1248 } else if (status & IM_ALLOC_INT) {
1249 DBG(3, dev, "Allocation irq\n");
1250 tasklet_hi_schedule(&lp->tx_task);
1251 mask &= ~IM_ALLOC_INT;
1252 } else if (status & IM_TX_EMPTY_INT) {
1253 DBG(3, dev, "TX empty\n");
1254 mask &= ~IM_TX_EMPTY_INT;
1255
1256
1257 SMC_SELECT_BANK(lp, 0);
1258 card_stats = SMC_GET_COUNTER(lp);
1259 SMC_SELECT_BANK(lp, 2);
1260
1261
1262 dev->stats.collisions += card_stats & 0xF;
1263 card_stats >>= 4;
1264
1265
1266 dev->stats.collisions += card_stats & 0xF;
1267 } else if (status & IM_RX_OVRN_INT) {
1268 DBG(1, dev, "RX overrun (EPH_ST 0x%04x)\n",
1269 ({ int eph_st; SMC_SELECT_BANK(lp, 0);
1270 eph_st = SMC_GET_EPH_STATUS(lp);
1271 SMC_SELECT_BANK(lp, 2); eph_st; }));
1272 SMC_ACK_INT(lp, IM_RX_OVRN_INT);
1273 dev->stats.rx_errors++;
1274 dev->stats.rx_fifo_errors++;
1275 } else if (status & IM_EPH_INT) {
1276 smc_eph_interrupt(dev);
1277 } else if (status & IM_MDINT) {
1278 SMC_ACK_INT(lp, IM_MDINT);
1279 smc_phy_interrupt(dev);
1280 } else if (status & IM_ERCV_INT) {
1281 SMC_ACK_INT(lp, IM_ERCV_INT);
1282 PRINTK(dev, "UNSUPPORTED: ERCV INTERRUPT\n");
1283 }
1284 } while (--timeout);
1285
1286
1287 SMC_SET_PTR(lp, saved_pointer);
1288 SMC_SET_INT_MASK(lp, mask);
1289 spin_unlock(&lp->lock);
1290
1291#ifndef CONFIG_NET_POLL_CONTROLLER
1292 if (timeout == MAX_IRQ_LOOPS)
1293 PRINTK(dev, "spurious interrupt (mask = 0x%02x)\n",
1294 mask);
1295#endif
1296 DBG(3, dev, "Interrupt done (%d loops)\n",
1297 MAX_IRQ_LOOPS - timeout);
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307 return IRQ_HANDLED;
1308}
1309
1310#ifdef CONFIG_NET_POLL_CONTROLLER
1311
1312
1313
1314
1315static void smc_poll_controller(struct net_device *dev)
1316{
1317 disable_irq(dev->irq);
1318 smc_interrupt(dev->irq, dev);
1319 enable_irq(dev->irq);
1320}
1321#endif
1322
1323
1324static void smc_timeout(struct net_device *dev, unsigned int txqueue)
1325{
1326 struct smc_local *lp = netdev_priv(dev);
1327 void __iomem *ioaddr = lp->base;
1328 int status, mask, eph_st, meminfo, fifo;
1329
1330 DBG(2, dev, "%s\n", __func__);
1331
1332 spin_lock_irq(&lp->lock);
1333 status = SMC_GET_INT(lp);
1334 mask = SMC_GET_INT_MASK(lp);
1335 fifo = SMC_GET_FIFO(lp);
1336 SMC_SELECT_BANK(lp, 0);
1337 eph_st = SMC_GET_EPH_STATUS(lp);
1338 meminfo = SMC_GET_MIR(lp);
1339 SMC_SELECT_BANK(lp, 2);
1340 spin_unlock_irq(&lp->lock);
1341 PRINTK(dev, "TX timeout (INT 0x%02x INTMASK 0x%02x MEM 0x%04x FIFO 0x%04x EPH_ST 0x%04x)\n",
1342 status, mask, meminfo, fifo, eph_st);
1343
1344 smc_reset(dev);
1345 smc_enable(dev);
1346
1347
1348
1349
1350
1351
1352 if (lp->phy_type != 0)
1353 schedule_work(&lp->phy_configure);
1354
1355
1356 netif_trans_update(dev);
1357 netif_wake_queue(dev);
1358}
1359
1360
1361
1362
1363
1364
1365
1366static void smc_set_multicast_list(struct net_device *dev)
1367{
1368 struct smc_local *lp = netdev_priv(dev);
1369 void __iomem *ioaddr = lp->base;
1370 unsigned char multicast_table[8];
1371 int update_multicast = 0;
1372
1373 DBG(2, dev, "%s\n", __func__);
1374
1375 if (dev->flags & IFF_PROMISC) {
1376 DBG(2, dev, "RCR_PRMS\n");
1377 lp->rcr_cur_mode |= RCR_PRMS;
1378 }
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390 else if (dev->flags & IFF_ALLMULTI || netdev_mc_count(dev) > 16) {
1391 DBG(2, dev, "RCR_ALMUL\n");
1392 lp->rcr_cur_mode |= RCR_ALMUL;
1393 }
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407 else if (!netdev_mc_empty(dev)) {
1408 struct netdev_hw_addr *ha;
1409
1410
1411 static const unsigned char invert3[] = {0, 4, 2, 6, 1, 5, 3, 7};
1412
1413
1414 memset(multicast_table, 0, sizeof(multicast_table));
1415
1416 netdev_for_each_mc_addr(ha, dev) {
1417 int position;
1418
1419
1420 position = crc32_le(~0, ha->addr, 6) & 0x3f;
1421
1422
1423 multicast_table[invert3[position&7]] |=
1424 (1<<invert3[(position>>3)&7]);
1425 }
1426
1427
1428 lp->rcr_cur_mode &= ~(RCR_PRMS | RCR_ALMUL);
1429
1430
1431 update_multicast = 1;
1432 } else {
1433 DBG(2, dev, "~(RCR_PRMS|RCR_ALMUL)\n");
1434 lp->rcr_cur_mode &= ~(RCR_PRMS | RCR_ALMUL);
1435
1436
1437
1438
1439
1440 memset(multicast_table, 0, sizeof(multicast_table));
1441 update_multicast = 1;
1442 }
1443
1444 spin_lock_irq(&lp->lock);
1445 SMC_SELECT_BANK(lp, 0);
1446 SMC_SET_RCR(lp, lp->rcr_cur_mode);
1447 if (update_multicast) {
1448 SMC_SELECT_BANK(lp, 3);
1449 SMC_SET_MCAST(lp, multicast_table);
1450 }
1451 SMC_SELECT_BANK(lp, 2);
1452 spin_unlock_irq(&lp->lock);
1453}
1454
1455
1456
1457
1458
1459
1460
1461static int
1462smc_open(struct net_device *dev)
1463{
1464 struct smc_local *lp = netdev_priv(dev);
1465
1466 DBG(2, dev, "%s\n", __func__);
1467
1468
1469 lp->tcr_cur_mode = TCR_DEFAULT;
1470 lp->rcr_cur_mode = RCR_DEFAULT;
1471 lp->rpc_cur_mode = RPC_DEFAULT |
1472 lp->cfg.leda << RPC_LSXA_SHFT |
1473 lp->cfg.ledb << RPC_LSXB_SHFT;
1474
1475
1476
1477
1478
1479 if (lp->phy_type == 0)
1480 lp->tcr_cur_mode |= TCR_MON_CSN;
1481
1482
1483 smc_reset(dev);
1484 smc_enable(dev);
1485
1486
1487 if (lp->phy_type != 0)
1488 smc_phy_configure(&lp->phy_configure);
1489 else {
1490 spin_lock_irq(&lp->lock);
1491 smc_10bt_check_media(dev, 1);
1492 spin_unlock_irq(&lp->lock);
1493 }
1494
1495 netif_start_queue(dev);
1496 return 0;
1497}
1498
1499
1500
1501
1502
1503
1504
1505
1506static int smc_close(struct net_device *dev)
1507{
1508 struct smc_local *lp = netdev_priv(dev);
1509
1510 DBG(2, dev, "%s\n", __func__);
1511
1512 netif_stop_queue(dev);
1513 netif_carrier_off(dev);
1514
1515
1516 smc_shutdown(dev);
1517 tasklet_kill(&lp->tx_task);
1518 smc_phy_powerdown(dev);
1519 return 0;
1520}
1521
1522
1523
1524
1525static int
1526smc_ethtool_get_link_ksettings(struct net_device *dev,
1527 struct ethtool_link_ksettings *cmd)
1528{
1529 struct smc_local *lp = netdev_priv(dev);
1530
1531 if (lp->phy_type != 0) {
1532 spin_lock_irq(&lp->lock);
1533 mii_ethtool_get_link_ksettings(&lp->mii, cmd);
1534 spin_unlock_irq(&lp->lock);
1535 } else {
1536 u32 supported = SUPPORTED_10baseT_Half |
1537 SUPPORTED_10baseT_Full |
1538 SUPPORTED_TP | SUPPORTED_AUI;
1539
1540 if (lp->ctl_rspeed == 10)
1541 cmd->base.speed = SPEED_10;
1542 else if (lp->ctl_rspeed == 100)
1543 cmd->base.speed = SPEED_100;
1544
1545 cmd->base.autoneg = AUTONEG_DISABLE;
1546 cmd->base.port = 0;
1547 cmd->base.duplex = lp->tcr_cur_mode & TCR_SWFDUP ?
1548 DUPLEX_FULL : DUPLEX_HALF;
1549
1550 ethtool_convert_legacy_u32_to_link_mode(
1551 cmd->link_modes.supported, supported);
1552 }
1553
1554 return 0;
1555}
1556
1557static int
1558smc_ethtool_set_link_ksettings(struct net_device *dev,
1559 const struct ethtool_link_ksettings *cmd)
1560{
1561 struct smc_local *lp = netdev_priv(dev);
1562 int ret;
1563
1564 if (lp->phy_type != 0) {
1565 spin_lock_irq(&lp->lock);
1566 ret = mii_ethtool_set_link_ksettings(&lp->mii, cmd);
1567 spin_unlock_irq(&lp->lock);
1568 } else {
1569 if (cmd->base.autoneg != AUTONEG_DISABLE ||
1570 cmd->base.speed != SPEED_10 ||
1571 (cmd->base.duplex != DUPLEX_HALF &&
1572 cmd->base.duplex != DUPLEX_FULL) ||
1573 (cmd->base.port != PORT_TP && cmd->base.port != PORT_AUI))
1574 return -EINVAL;
1575
1576
1577 lp->ctl_rfduplx = cmd->base.duplex == DUPLEX_FULL;
1578
1579
1580
1581
1582 ret = 0;
1583 }
1584
1585 return ret;
1586}
1587
1588static void
1589smc_ethtool_getdrvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
1590{
1591 strlcpy(info->driver, CARDNAME, sizeof(info->driver));
1592 strlcpy(info->version, version, sizeof(info->version));
1593 strlcpy(info->bus_info, dev_name(dev->dev.parent),
1594 sizeof(info->bus_info));
1595}
1596
1597static int smc_ethtool_nwayreset(struct net_device *dev)
1598{
1599 struct smc_local *lp = netdev_priv(dev);
1600 int ret = -EINVAL;
1601
1602 if (lp->phy_type != 0) {
1603 spin_lock_irq(&lp->lock);
1604 ret = mii_nway_restart(&lp->mii);
1605 spin_unlock_irq(&lp->lock);
1606 }
1607
1608 return ret;
1609}
1610
1611static u32 smc_ethtool_getmsglevel(struct net_device *dev)
1612{
1613 struct smc_local *lp = netdev_priv(dev);
1614 return lp->msg_enable;
1615}
1616
1617static void smc_ethtool_setmsglevel(struct net_device *dev, u32 level)
1618{
1619 struct smc_local *lp = netdev_priv(dev);
1620 lp->msg_enable = level;
1621}
1622
1623static int smc_write_eeprom_word(struct net_device *dev, u16 addr, u16 word)
1624{
1625 u16 ctl;
1626 struct smc_local *lp = netdev_priv(dev);
1627 void __iomem *ioaddr = lp->base;
1628
1629 spin_lock_irq(&lp->lock);
1630
1631 SMC_SELECT_BANK(lp, 1);
1632 SMC_SET_GP(lp, word);
1633
1634 SMC_SELECT_BANK(lp, 2);
1635 SMC_SET_PTR(lp, addr);
1636
1637 SMC_SELECT_BANK(lp, 1);
1638 ctl = SMC_GET_CTL(lp);
1639 SMC_SET_CTL(lp, ctl | (CTL_EEPROM_SELECT | CTL_STORE));
1640
1641 do {
1642 udelay(1);
1643 } while (SMC_GET_CTL(lp) & CTL_STORE);
1644
1645 SMC_SET_CTL(lp, ctl);
1646 SMC_SELECT_BANK(lp, 2);
1647 spin_unlock_irq(&lp->lock);
1648 return 0;
1649}
1650
1651static int smc_read_eeprom_word(struct net_device *dev, u16 addr, u16 *word)
1652{
1653 u16 ctl;
1654 struct smc_local *lp = netdev_priv(dev);
1655 void __iomem *ioaddr = lp->base;
1656
1657 spin_lock_irq(&lp->lock);
1658
1659 SMC_SELECT_BANK(lp, 2);
1660 SMC_SET_PTR(lp, addr | PTR_READ);
1661
1662 SMC_SELECT_BANK(lp, 1);
1663 SMC_SET_GP(lp, 0xffff);
1664 ctl = SMC_GET_CTL(lp);
1665 SMC_SET_CTL(lp, ctl | (CTL_EEPROM_SELECT | CTL_RELOAD));
1666
1667 do {
1668 udelay(1);
1669 } while (SMC_GET_CTL(lp) & CTL_RELOAD);
1670
1671 *word = SMC_GET_GP(lp);
1672
1673 SMC_SET_CTL(lp, ctl);
1674 SMC_SELECT_BANK(lp, 2);
1675 spin_unlock_irq(&lp->lock);
1676 return 0;
1677}
1678
1679static int smc_ethtool_geteeprom_len(struct net_device *dev)
1680{
1681 return 0x23 * 2;
1682}
1683
1684static int smc_ethtool_geteeprom(struct net_device *dev,
1685 struct ethtool_eeprom *eeprom, u8 *data)
1686{
1687 int i;
1688 int imax;
1689
1690 DBG(1, dev, "Reading %d bytes at %d(0x%x)\n",
1691 eeprom->len, eeprom->offset, eeprom->offset);
1692 imax = smc_ethtool_geteeprom_len(dev);
1693 for (i = 0; i < eeprom->len; i += 2) {
1694 int ret;
1695 u16 wbuf;
1696 int offset = i + eeprom->offset;
1697 if (offset > imax)
1698 break;
1699 ret = smc_read_eeprom_word(dev, offset >> 1, &wbuf);
1700 if (ret != 0)
1701 return ret;
1702 DBG(2, dev, "Read 0x%x from 0x%x\n", wbuf, offset >> 1);
1703 data[i] = (wbuf >> 8) & 0xff;
1704 data[i+1] = wbuf & 0xff;
1705 }
1706 return 0;
1707}
1708
1709static int smc_ethtool_seteeprom(struct net_device *dev,
1710 struct ethtool_eeprom *eeprom, u8 *data)
1711{
1712 int i;
1713 int imax;
1714
1715 DBG(1, dev, "Writing %d bytes to %d(0x%x)\n",
1716 eeprom->len, eeprom->offset, eeprom->offset);
1717 imax = smc_ethtool_geteeprom_len(dev);
1718 for (i = 0; i < eeprom->len; i += 2) {
1719 int ret;
1720 u16 wbuf;
1721 int offset = i + eeprom->offset;
1722 if (offset > imax)
1723 break;
1724 wbuf = (data[i] << 8) | data[i + 1];
1725 DBG(2, dev, "Writing 0x%x to 0x%x\n", wbuf, offset >> 1);
1726 ret = smc_write_eeprom_word(dev, offset >> 1, wbuf);
1727 if (ret != 0)
1728 return ret;
1729 }
1730 return 0;
1731}
1732
1733
1734static const struct ethtool_ops smc_ethtool_ops = {
1735 .get_drvinfo = smc_ethtool_getdrvinfo,
1736
1737 .get_msglevel = smc_ethtool_getmsglevel,
1738 .set_msglevel = smc_ethtool_setmsglevel,
1739 .nway_reset = smc_ethtool_nwayreset,
1740 .get_link = ethtool_op_get_link,
1741 .get_eeprom_len = smc_ethtool_geteeprom_len,
1742 .get_eeprom = smc_ethtool_geteeprom,
1743 .set_eeprom = smc_ethtool_seteeprom,
1744 .get_link_ksettings = smc_ethtool_get_link_ksettings,
1745 .set_link_ksettings = smc_ethtool_set_link_ksettings,
1746};
1747
1748static const struct net_device_ops smc_netdev_ops = {
1749 .ndo_open = smc_open,
1750 .ndo_stop = smc_close,
1751 .ndo_start_xmit = smc_hard_start_xmit,
1752 .ndo_tx_timeout = smc_timeout,
1753 .ndo_set_rx_mode = smc_set_multicast_list,
1754 .ndo_validate_addr = eth_validate_addr,
1755 .ndo_set_mac_address = eth_mac_addr,
1756#ifdef CONFIG_NET_POLL_CONTROLLER
1757 .ndo_poll_controller = smc_poll_controller,
1758#endif
1759};
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773static int smc_findirq(struct smc_local *lp)
1774{
1775 void __iomem *ioaddr = lp->base;
1776 int timeout = 20;
1777 unsigned long cookie;
1778
1779 DBG(2, lp->dev, "%s: %s\n", CARDNAME, __func__);
1780
1781 cookie = probe_irq_on();
1782
1783
1784
1785
1786
1787
1788
1789 SMC_SELECT_BANK(lp, 2);
1790 SMC_SET_INT_MASK(lp, IM_ALLOC_INT);
1791
1792
1793
1794
1795
1796 SMC_SET_MMU_CMD(lp, MC_ALLOC | 1);
1797
1798
1799
1800
1801 do {
1802 int int_status;
1803 udelay(10);
1804 int_status = SMC_GET_INT(lp);
1805 if (int_status & IM_ALLOC_INT)
1806 break;
1807 } while (--timeout);
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817 SMC_SET_INT_MASK(lp, 0);
1818
1819
1820 return probe_irq_off(cookie);
1821}
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847static int smc_probe(struct net_device *dev, void __iomem *ioaddr,
1848 unsigned long irq_flags)
1849{
1850 struct smc_local *lp = netdev_priv(dev);
1851 int retval;
1852 unsigned int val, revision_register;
1853 const char *version_string;
1854
1855 DBG(2, dev, "%s: %s\n", CARDNAME, __func__);
1856
1857
1858 val = SMC_CURRENT_BANK(lp);
1859 DBG(2, dev, "%s: bank signature probe returned 0x%04x\n",
1860 CARDNAME, val);
1861 if ((val & 0xFF00) != 0x3300) {
1862 if ((val & 0xFF) == 0x33) {
1863 netdev_warn(dev,
1864 "%s: Detected possible byte-swapped interface at IOADDR %p\n",
1865 CARDNAME, ioaddr);
1866 }
1867 retval = -ENODEV;
1868 goto err_out;
1869 }
1870
1871
1872
1873
1874
1875 SMC_SELECT_BANK(lp, 0);
1876 val = SMC_CURRENT_BANK(lp);
1877 if ((val & 0xFF00) != 0x3300) {
1878 retval = -ENODEV;
1879 goto err_out;
1880 }
1881
1882
1883
1884
1885
1886
1887
1888 SMC_SELECT_BANK(lp, 1);
1889 val = SMC_GET_BASE(lp);
1890 val = ((val & 0x1F00) >> 3) << SMC_IO_SHIFT;
1891 if (((unsigned long)ioaddr & (0x3e0 << SMC_IO_SHIFT)) != val) {
1892 netdev_warn(dev, "%s: IOADDR %p doesn't match configuration (%x).\n",
1893 CARDNAME, ioaddr, val);
1894 }
1895
1896
1897
1898
1899
1900
1901 SMC_SELECT_BANK(lp, 3);
1902 revision_register = SMC_GET_REV(lp);
1903 DBG(2, dev, "%s: revision = 0x%04x\n", CARDNAME, revision_register);
1904 version_string = chip_ids[ (revision_register >> 4) & 0xF];
1905 if (!version_string || (revision_register & 0xff00) != 0x3300) {
1906
1907 netdev_warn(dev, "%s: IO %p: Unrecognized revision register 0x%04x, Contact author.\n",
1908 CARDNAME, ioaddr, revision_register);
1909
1910 retval = -ENODEV;
1911 goto err_out;
1912 }
1913
1914
1915 pr_info_once("%s\n", version);
1916
1917
1918 dev->base_addr = (unsigned long)ioaddr;
1919 lp->base = ioaddr;
1920 lp->version = revision_register & 0xff;
1921 spin_lock_init(&lp->lock);
1922
1923
1924 SMC_SELECT_BANK(lp, 1);
1925 SMC_GET_MAC_ADDR(lp, dev->dev_addr);
1926
1927
1928 smc_reset(dev);
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945 if (dev->irq < 1) {
1946 int trials;
1947
1948 trials = 3;
1949 while (trials--) {
1950 dev->irq = smc_findirq(lp);
1951 if (dev->irq)
1952 break;
1953
1954 smc_reset(dev);
1955 }
1956 }
1957 if (dev->irq == 0) {
1958 netdev_warn(dev, "Couldn't autodetect your IRQ. Use irq=xx.\n");
1959 retval = -ENODEV;
1960 goto err_out;
1961 }
1962 dev->irq = irq_canonicalize(dev->irq);
1963
1964 dev->watchdog_timeo = msecs_to_jiffies(watchdog);
1965 dev->netdev_ops = &smc_netdev_ops;
1966 dev->ethtool_ops = &smc_ethtool_ops;
1967
1968 tasklet_setup(&lp->tx_task, smc_hardware_send_pkt);
1969 INIT_WORK(&lp->phy_configure, smc_phy_configure);
1970 lp->dev = dev;
1971 lp->mii.phy_id_mask = 0x1f;
1972 lp->mii.reg_num_mask = 0x1f;
1973 lp->mii.force_media = 0;
1974 lp->mii.full_duplex = 0;
1975 lp->mii.dev = dev;
1976 lp->mii.mdio_read = smc_phy_read;
1977 lp->mii.mdio_write = smc_phy_write;
1978
1979
1980
1981
1982 if (lp->version >= (CHIP_91100 << 4))
1983 smc_phy_detect(dev);
1984
1985
1986 smc_shutdown(dev);
1987 smc_phy_powerdown(dev);
1988
1989
1990 lp->msg_enable = NETIF_MSG_LINK;
1991 lp->ctl_rfduplx = 0;
1992 lp->ctl_rspeed = 10;
1993
1994 if (lp->version >= (CHIP_91100 << 4)) {
1995 lp->ctl_rfduplx = 1;
1996 lp->ctl_rspeed = 100;
1997 }
1998
1999
2000 retval = request_irq(dev->irq, smc_interrupt, irq_flags, dev->name, dev);
2001 if (retval)
2002 goto err_out;
2003
2004#ifdef CONFIG_ARCH_PXA
2005# ifdef SMC_USE_PXA_DMA
2006 lp->cfg.flags |= SMC91X_USE_DMA;
2007# endif
2008 if (lp->cfg.flags & SMC91X_USE_DMA) {
2009 dma_cap_mask_t mask;
2010
2011 dma_cap_zero(mask);
2012 dma_cap_set(DMA_SLAVE, mask);
2013 lp->dma_chan = dma_request_channel(mask, NULL, NULL);
2014 }
2015#endif
2016
2017 retval = register_netdev(dev);
2018 if (retval == 0) {
2019
2020 netdev_info(dev, "%s (rev %d) at %p IRQ %d",
2021 version_string, revision_register & 0x0f,
2022 lp->base, dev->irq);
2023
2024 if (lp->dma_chan)
2025 pr_cont(" DMA %p", lp->dma_chan);
2026
2027 pr_cont("%s%s\n",
2028 lp->cfg.flags & SMC91X_NOWAIT ? " [nowait]" : "",
2029 THROTTLE_TX_PKTS ? " [throttle_tx]" : "");
2030
2031 if (!is_valid_ether_addr(dev->dev_addr)) {
2032 netdev_warn(dev, "Invalid ethernet MAC address. Please set using ifconfig\n");
2033 } else {
2034
2035 netdev_info(dev, "Ethernet addr: %pM\n",
2036 dev->dev_addr);
2037 }
2038
2039 if (lp->phy_type == 0) {
2040 PRINTK(dev, "No PHY found\n");
2041 } else if ((lp->phy_type & 0xfffffff0) == 0x0016f840) {
2042 PRINTK(dev, "PHY LAN83C183 (LAN91C111 Internal)\n");
2043 } else if ((lp->phy_type & 0xfffffff0) == 0x02821c50) {
2044 PRINTK(dev, "PHY LAN83C180\n");
2045 }
2046 }
2047
2048err_out:
2049#ifdef CONFIG_ARCH_PXA
2050 if (retval && lp->dma_chan)
2051 dma_release_channel(lp->dma_chan);
2052#endif
2053 return retval;
2054}
2055
2056static int smc_enable_device(struct platform_device *pdev)
2057{
2058 struct net_device *ndev = platform_get_drvdata(pdev);
2059 struct smc_local *lp = netdev_priv(ndev);
2060 unsigned long flags;
2061 unsigned char ecor, ecsr;
2062 void __iomem *addr;
2063 struct resource * res;
2064
2065 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-attrib");
2066 if (!res)
2067 return 0;
2068
2069
2070
2071
2072 addr = ioremap(res->start, ATTRIB_SIZE);
2073 if (!addr)
2074 return -ENOMEM;
2075
2076
2077
2078
2079
2080 local_irq_save(flags);
2081 ecor = readb(addr + (ECOR << SMC_IO_SHIFT)) & ~ECOR_RESET;
2082 writeb(ecor | ECOR_RESET, addr + (ECOR << SMC_IO_SHIFT));
2083 readb(addr + (ECOR << SMC_IO_SHIFT));
2084
2085
2086
2087
2088 udelay(100);
2089
2090
2091
2092
2093
2094
2095 writeb(ecor, addr + (ECOR << SMC_IO_SHIFT));
2096 writeb(ecor | ECOR_ENABLE, addr + (ECOR << SMC_IO_SHIFT));
2097
2098
2099
2100
2101 ecsr = readb(addr + (ECSR << SMC_IO_SHIFT)) & ~ECSR_IOIS8;
2102 if (!SMC_16BIT(lp))
2103 ecsr |= ECSR_IOIS8;
2104 writeb(ecsr, addr + (ECSR << SMC_IO_SHIFT));
2105 local_irq_restore(flags);
2106
2107 iounmap(addr);
2108
2109
2110
2111
2112
2113
2114 msleep(1);
2115
2116 return 0;
2117}
2118
2119static int smc_request_attrib(struct platform_device *pdev,
2120 struct net_device *ndev)
2121{
2122 struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-attrib");
2123 struct smc_local *lp __maybe_unused = netdev_priv(ndev);
2124
2125 if (!res)
2126 return 0;
2127
2128 if (!request_mem_region(res->start, ATTRIB_SIZE, CARDNAME))
2129 return -EBUSY;
2130
2131 return 0;
2132}
2133
2134static void smc_release_attrib(struct platform_device *pdev,
2135 struct net_device *ndev)
2136{
2137 struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-attrib");
2138 struct smc_local *lp __maybe_unused = netdev_priv(ndev);
2139
2140 if (res)
2141 release_mem_region(res->start, ATTRIB_SIZE);
2142}
2143
2144static inline void smc_request_datacs(struct platform_device *pdev, struct net_device *ndev)
2145{
2146 if (SMC_CAN_USE_DATACS) {
2147 struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-data32");
2148 struct smc_local *lp = netdev_priv(ndev);
2149
2150 if (!res)
2151 return;
2152
2153 if(!request_mem_region(res->start, SMC_DATA_EXTENT, CARDNAME)) {
2154 netdev_info(ndev, "%s: failed to request datacs memory region.\n",
2155 CARDNAME);
2156 return;
2157 }
2158
2159 lp->datacs = ioremap(res->start, SMC_DATA_EXTENT);
2160 }
2161}
2162
2163static void smc_release_datacs(struct platform_device *pdev, struct net_device *ndev)
2164{
2165 if (SMC_CAN_USE_DATACS) {
2166 struct smc_local *lp = netdev_priv(ndev);
2167 struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-data32");
2168
2169 if (lp->datacs)
2170 iounmap(lp->datacs);
2171
2172 lp->datacs = NULL;
2173
2174 if (res)
2175 release_mem_region(res->start, SMC_DATA_EXTENT);
2176 }
2177}
2178
2179static const struct acpi_device_id smc91x_acpi_match[] = {
2180 { "LNRO0003", 0 },
2181 { }
2182};
2183MODULE_DEVICE_TABLE(acpi, smc91x_acpi_match);
2184
2185#if IS_BUILTIN(CONFIG_OF)
2186static const struct of_device_id smc91x_match[] = {
2187 { .compatible = "smsc,lan91c94", },
2188 { .compatible = "smsc,lan91c111", },
2189 {},
2190};
2191MODULE_DEVICE_TABLE(of, smc91x_match);
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202static int try_toggle_control_gpio(struct device *dev,
2203 struct gpio_desc **desc,
2204 const char *name, int index,
2205 int value, unsigned int nsdelay)
2206{
2207 struct gpio_desc *gpio = *desc;
2208 enum gpiod_flags flags = value ? GPIOD_OUT_LOW : GPIOD_OUT_HIGH;
2209
2210 gpio = devm_gpiod_get_index_optional(dev, name, index, flags);
2211 if (IS_ERR(gpio))
2212 return PTR_ERR(gpio);
2213
2214 if (gpio) {
2215 if (nsdelay)
2216 usleep_range(nsdelay, 2 * nsdelay);
2217 gpiod_set_value_cansleep(gpio, value);
2218 }
2219 *desc = gpio;
2220
2221 return 0;
2222}
2223#endif
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236static int smc_drv_probe(struct platform_device *pdev)
2237{
2238 struct smc91x_platdata *pd = dev_get_platdata(&pdev->dev);
2239 const struct of_device_id *match = NULL;
2240 struct smc_local *lp;
2241 struct net_device *ndev;
2242 struct resource *res;
2243 unsigned int __iomem *addr;
2244 unsigned long irq_flags = SMC_IRQ_FLAGS;
2245 unsigned long irq_resflags;
2246 int ret;
2247
2248 ndev = alloc_etherdev(sizeof(struct smc_local));
2249 if (!ndev) {
2250 ret = -ENOMEM;
2251 goto out;
2252 }
2253 SET_NETDEV_DEV(ndev, &pdev->dev);
2254
2255
2256
2257
2258
2259 lp = netdev_priv(ndev);
2260 lp->cfg.flags = 0;
2261
2262 if (pd) {
2263 memcpy(&lp->cfg, pd, sizeof(lp->cfg));
2264 lp->io_shift = SMC91X_IO_SHIFT(lp->cfg.flags);
2265
2266 if (!SMC_8BIT(lp) && !SMC_16BIT(lp)) {
2267 dev_err(&pdev->dev,
2268 "at least one of 8-bit or 16-bit access support is required.\n");
2269 ret = -ENXIO;
2270 goto out_free_netdev;
2271 }
2272 }
2273
2274#if IS_BUILTIN(CONFIG_OF)
2275 match = of_match_device(of_match_ptr(smc91x_match), &pdev->dev);
2276 if (match) {
2277 u32 val;
2278
2279
2280 ret = try_toggle_control_gpio(&pdev->dev, &lp->power_gpio,
2281 "power", 0, 0, 100);
2282 if (ret)
2283 goto out_free_netdev;
2284
2285
2286
2287
2288
2289 ret = try_toggle_control_gpio(&pdev->dev, &lp->reset_gpio,
2290 "reset", 0, 0, 100);
2291 if (ret)
2292 goto out_free_netdev;
2293
2294
2295
2296
2297
2298 if (lp->reset_gpio)
2299 usleep_range(750, 1000);
2300
2301
2302 if (!device_property_read_u32(&pdev->dev, "reg-io-width",
2303 &val)) {
2304 if (val & 1)
2305 lp->cfg.flags |= SMC91X_USE_8BIT;
2306 if ((val == 0) || (val & 2))
2307 lp->cfg.flags |= SMC91X_USE_16BIT;
2308 if (val & 4)
2309 lp->cfg.flags |= SMC91X_USE_32BIT;
2310 } else {
2311 lp->cfg.flags |= SMC91X_USE_16BIT;
2312 }
2313 if (!device_property_read_u32(&pdev->dev, "reg-shift",
2314 &val))
2315 lp->io_shift = val;
2316 lp->cfg.pxa_u16_align4 =
2317 device_property_read_bool(&pdev->dev, "pxa-u16-align4");
2318 }
2319#endif
2320
2321 if (!pd && !match) {
2322 lp->cfg.flags |= (SMC_CAN_USE_8BIT) ? SMC91X_USE_8BIT : 0;
2323 lp->cfg.flags |= (SMC_CAN_USE_16BIT) ? SMC91X_USE_16BIT : 0;
2324 lp->cfg.flags |= (SMC_CAN_USE_32BIT) ? SMC91X_USE_32BIT : 0;
2325 lp->cfg.flags |= (nowait) ? SMC91X_NOWAIT : 0;
2326 }
2327
2328 if (!lp->cfg.leda && !lp->cfg.ledb) {
2329 lp->cfg.leda = RPC_LSA_DEFAULT;
2330 lp->cfg.ledb = RPC_LSB_DEFAULT;
2331 }
2332
2333 ndev->dma = (unsigned char)-1;
2334
2335 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-regs");
2336 if (!res)
2337 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2338 if (!res) {
2339 ret = -ENODEV;
2340 goto out_free_netdev;
2341 }
2342
2343
2344 if (!request_mem_region(res->start, SMC_IO_EXTENT, CARDNAME)) {
2345 ret = -EBUSY;
2346 goto out_free_netdev;
2347 }
2348
2349 ndev->irq = platform_get_irq(pdev, 0);
2350 if (ndev->irq < 0) {
2351 ret = ndev->irq;
2352 goto out_release_io;
2353 }
2354
2355
2356
2357
2358
2359 irq_resflags = irqd_get_trigger_type(irq_get_irq_data(ndev->irq));
2360 if (irq_flags == -1 || irq_resflags & IRQF_TRIGGER_MASK)
2361 irq_flags = irq_resflags & IRQF_TRIGGER_MASK;
2362
2363 ret = smc_request_attrib(pdev, ndev);
2364 if (ret)
2365 goto out_release_io;
2366#if defined(CONFIG_ASSABET_NEPONSET)
2367 if (machine_is_assabet() && machine_has_neponset())
2368 neponset_ncr_set(NCR_ENET_OSC_EN);
2369#endif
2370 platform_set_drvdata(pdev, ndev);
2371 ret = smc_enable_device(pdev);
2372 if (ret)
2373 goto out_release_attrib;
2374
2375 addr = ioremap(res->start, SMC_IO_EXTENT);
2376 if (!addr) {
2377 ret = -ENOMEM;
2378 goto out_release_attrib;
2379 }
2380
2381#ifdef CONFIG_ARCH_PXA
2382 {
2383 struct smc_local *lp = netdev_priv(ndev);
2384 lp->device = &pdev->dev;
2385 lp->physaddr = res->start;
2386
2387 }
2388#endif
2389
2390 ret = smc_probe(ndev, addr, irq_flags);
2391 if (ret != 0)
2392 goto out_iounmap;
2393
2394 smc_request_datacs(pdev, ndev);
2395
2396 return 0;
2397
2398 out_iounmap:
2399 iounmap(addr);
2400 out_release_attrib:
2401 smc_release_attrib(pdev, ndev);
2402 out_release_io:
2403 release_mem_region(res->start, SMC_IO_EXTENT);
2404 out_free_netdev:
2405 free_netdev(ndev);
2406 out:
2407 pr_info("%s: not found (%d).\n", CARDNAME, ret);
2408
2409 return ret;
2410}
2411
2412static int smc_drv_remove(struct platform_device *pdev)
2413{
2414 struct net_device *ndev = platform_get_drvdata(pdev);
2415 struct smc_local *lp = netdev_priv(ndev);
2416 struct resource *res;
2417
2418 unregister_netdev(ndev);
2419
2420 free_irq(ndev->irq, ndev);
2421
2422#ifdef CONFIG_ARCH_PXA
2423 if (lp->dma_chan)
2424 dma_release_channel(lp->dma_chan);
2425#endif
2426 iounmap(lp->base);
2427
2428 smc_release_datacs(pdev,ndev);
2429 smc_release_attrib(pdev,ndev);
2430
2431 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-regs");
2432 if (!res)
2433 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2434 release_mem_region(res->start, SMC_IO_EXTENT);
2435
2436 free_netdev(ndev);
2437
2438 return 0;
2439}
2440
2441static int smc_drv_suspend(struct device *dev)
2442{
2443 struct net_device *ndev = dev_get_drvdata(dev);
2444
2445 if (ndev) {
2446 if (netif_running(ndev)) {
2447 netif_device_detach(ndev);
2448 smc_shutdown(ndev);
2449 smc_phy_powerdown(ndev);
2450 }
2451 }
2452 return 0;
2453}
2454
2455static int smc_drv_resume(struct device *dev)
2456{
2457 struct platform_device *pdev = to_platform_device(dev);
2458 struct net_device *ndev = platform_get_drvdata(pdev);
2459
2460 if (ndev) {
2461 struct smc_local *lp = netdev_priv(ndev);
2462 smc_enable_device(pdev);
2463 if (netif_running(ndev)) {
2464 smc_reset(ndev);
2465 smc_enable(ndev);
2466 if (lp->phy_type != 0)
2467 smc_phy_configure(&lp->phy_configure);
2468 netif_device_attach(ndev);
2469 }
2470 }
2471 return 0;
2472}
2473
2474static const struct dev_pm_ops smc_drv_pm_ops = {
2475 .suspend = smc_drv_suspend,
2476 .resume = smc_drv_resume,
2477};
2478
2479static struct platform_driver smc_driver = {
2480 .probe = smc_drv_probe,
2481 .remove = smc_drv_remove,
2482 .driver = {
2483 .name = CARDNAME,
2484 .pm = &smc_drv_pm_ops,
2485 .of_match_table = of_match_ptr(smc91x_match),
2486 .acpi_match_table = smc91x_acpi_match,
2487 },
2488};
2489
2490module_platform_driver(smc_driver);
2491