xref: /openbmc/linux/drivers/net/dsa/mv88e6xxx/chip.c (revision 77201135)
1 /*
2  * Marvell 88e6xxx Ethernet switch single-chip support
3  *
4  * Copyright (c) 2008 Marvell Semiconductor
5  *
6  * Copyright (c) 2016 Andrew Lunn <andrew@lunn.ch>
7  *
8  * Copyright (c) 2016-2017 Savoir-faire Linux Inc.
9  *	Vivien Didelot <vivien.didelot@savoirfairelinux.com>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation; either version 2 of the License, or
14  * (at your option) any later version.
15  */
16 
17 #include <linux/delay.h>
18 #include <linux/etherdevice.h>
19 #include <linux/ethtool.h>
20 #include <linux/if_bridge.h>
21 #include <linux/interrupt.h>
22 #include <linux/irq.h>
23 #include <linux/irqdomain.h>
24 #include <linux/jiffies.h>
25 #include <linux/list.h>
26 #include <linux/mdio.h>
27 #include <linux/module.h>
28 #include <linux/of_device.h>
29 #include <linux/of_irq.h>
30 #include <linux/of_mdio.h>
31 #include <linux/netdevice.h>
32 #include <linux/gpio/consumer.h>
33 #include <linux/phy.h>
34 #include <net/dsa.h>
35 #include <net/switchdev.h>
36 
37 #include "mv88e6xxx.h"
38 #include "global1.h"
39 #include "global2.h"
40 #include "port.h"
41 
42 static void assert_reg_lock(struct mv88e6xxx_chip *chip)
43 {
44 	if (unlikely(!mutex_is_locked(&chip->reg_lock))) {
45 		dev_err(chip->dev, "Switch registers lock not held!\n");
46 		dump_stack();
47 	}
48 }
49 
50 /* The switch ADDR[4:1] configuration pins define the chip SMI device address
51  * (ADDR[0] is always zero, thus only even SMI addresses can be strapped).
52  *
53  * When ADDR is all zero, the chip uses Single-chip Addressing Mode, assuming it
54  * is the only device connected to the SMI master. In this mode it responds to
55  * all 32 possible SMI addresses, and thus maps directly the internal devices.
56  *
57  * When ADDR is non-zero, the chip uses Multi-chip Addressing Mode, allowing
58  * multiple devices to share the SMI interface. In this mode it responds to only
59  * 2 registers, used to indirectly access the internal SMI devices.
60  */
61 
62 static int mv88e6xxx_smi_read(struct mv88e6xxx_chip *chip,
63 			      int addr, int reg, u16 *val)
64 {
65 	if (!chip->smi_ops)
66 		return -EOPNOTSUPP;
67 
68 	return chip->smi_ops->read(chip, addr, reg, val);
69 }
70 
71 static int mv88e6xxx_smi_write(struct mv88e6xxx_chip *chip,
72 			       int addr, int reg, u16 val)
73 {
74 	if (!chip->smi_ops)
75 		return -EOPNOTSUPP;
76 
77 	return chip->smi_ops->write(chip, addr, reg, val);
78 }
79 
80 static int mv88e6xxx_smi_single_chip_read(struct mv88e6xxx_chip *chip,
81 					  int addr, int reg, u16 *val)
82 {
83 	int ret;
84 
85 	ret = mdiobus_read_nested(chip->bus, addr, reg);
86 	if (ret < 0)
87 		return ret;
88 
89 	*val = ret & 0xffff;
90 
91 	return 0;
92 }
93 
94 static int mv88e6xxx_smi_single_chip_write(struct mv88e6xxx_chip *chip,
95 					   int addr, int reg, u16 val)
96 {
97 	int ret;
98 
99 	ret = mdiobus_write_nested(chip->bus, addr, reg, val);
100 	if (ret < 0)
101 		return ret;
102 
103 	return 0;
104 }
105 
106 static const struct mv88e6xxx_bus_ops mv88e6xxx_smi_single_chip_ops = {
107 	.read = mv88e6xxx_smi_single_chip_read,
108 	.write = mv88e6xxx_smi_single_chip_write,
109 };
110 
111 static int mv88e6xxx_smi_multi_chip_wait(struct mv88e6xxx_chip *chip)
112 {
113 	int ret;
114 	int i;
115 
116 	for (i = 0; i < 16; i++) {
117 		ret = mdiobus_read_nested(chip->bus, chip->sw_addr, SMI_CMD);
118 		if (ret < 0)
119 			return ret;
120 
121 		if ((ret & SMI_CMD_BUSY) == 0)
122 			return 0;
123 	}
124 
125 	return -ETIMEDOUT;
126 }
127 
128 static int mv88e6xxx_smi_multi_chip_read(struct mv88e6xxx_chip *chip,
129 					 int addr, int reg, u16 *val)
130 {
131 	int ret;
132 
133 	/* Wait for the bus to become free. */
134 	ret = mv88e6xxx_smi_multi_chip_wait(chip);
135 	if (ret < 0)
136 		return ret;
137 
138 	/* Transmit the read command. */
139 	ret = mdiobus_write_nested(chip->bus, chip->sw_addr, SMI_CMD,
140 				   SMI_CMD_OP_22_READ | (addr << 5) | reg);
141 	if (ret < 0)
142 		return ret;
143 
144 	/* Wait for the read command to complete. */
145 	ret = mv88e6xxx_smi_multi_chip_wait(chip);
146 	if (ret < 0)
147 		return ret;
148 
149 	/* Read the data. */
150 	ret = mdiobus_read_nested(chip->bus, chip->sw_addr, SMI_DATA);
151 	if (ret < 0)
152 		return ret;
153 
154 	*val = ret & 0xffff;
155 
156 	return 0;
157 }
158 
159 static int mv88e6xxx_smi_multi_chip_write(struct mv88e6xxx_chip *chip,
160 					  int addr, int reg, u16 val)
161 {
162 	int ret;
163 
164 	/* Wait for the bus to become free. */
165 	ret = mv88e6xxx_smi_multi_chip_wait(chip);
166 	if (ret < 0)
167 		return ret;
168 
169 	/* Transmit the data to write. */
170 	ret = mdiobus_write_nested(chip->bus, chip->sw_addr, SMI_DATA, val);
171 	if (ret < 0)
172 		return ret;
173 
174 	/* Transmit the write command. */
175 	ret = mdiobus_write_nested(chip->bus, chip->sw_addr, SMI_CMD,
176 				   SMI_CMD_OP_22_WRITE | (addr << 5) | reg);
177 	if (ret < 0)
178 		return ret;
179 
180 	/* Wait for the write command to complete. */
181 	ret = mv88e6xxx_smi_multi_chip_wait(chip);
182 	if (ret < 0)
183 		return ret;
184 
185 	return 0;
186 }
187 
188 static const struct mv88e6xxx_bus_ops mv88e6xxx_smi_multi_chip_ops = {
189 	.read = mv88e6xxx_smi_multi_chip_read,
190 	.write = mv88e6xxx_smi_multi_chip_write,
191 };
192 
193 int mv88e6xxx_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val)
194 {
195 	int err;
196 
197 	assert_reg_lock(chip);
198 
199 	err = mv88e6xxx_smi_read(chip, addr, reg, val);
200 	if (err)
201 		return err;
202 
203 	dev_dbg(chip->dev, "<- addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
204 		addr, reg, *val);
205 
206 	return 0;
207 }
208 
209 int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val)
210 {
211 	int err;
212 
213 	assert_reg_lock(chip);
214 
215 	err = mv88e6xxx_smi_write(chip, addr, reg, val);
216 	if (err)
217 		return err;
218 
219 	dev_dbg(chip->dev, "-> addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
220 		addr, reg, val);
221 
222 	return 0;
223 }
224 
225 static int mv88e6165_phy_read(struct mv88e6xxx_chip *chip,
226 			      struct mii_bus *bus,
227 			      int addr, int reg, u16 *val)
228 {
229 	return mv88e6xxx_read(chip, addr, reg, val);
230 }
231 
232 static int mv88e6165_phy_write(struct mv88e6xxx_chip *chip,
233 			       struct mii_bus *bus,
234 			       int addr, int reg, u16 val)
235 {
236 	return mv88e6xxx_write(chip, addr, reg, val);
237 }
238 
239 static struct mii_bus *mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip *chip)
240 {
241 	struct mv88e6xxx_mdio_bus *mdio_bus;
242 
243 	mdio_bus = list_first_entry(&chip->mdios, struct mv88e6xxx_mdio_bus,
244 				    list);
245 	if (!mdio_bus)
246 		return NULL;
247 
248 	return mdio_bus->bus;
249 }
250 
251 static int mv88e6xxx_phy_read(struct mv88e6xxx_chip *chip, int phy,
252 			      int reg, u16 *val)
253 {
254 	int addr = phy; /* PHY devices addresses start at 0x0 */
255 	struct mii_bus *bus;
256 
257 	bus = mv88e6xxx_default_mdio_bus(chip);
258 	if (!bus)
259 		return -EOPNOTSUPP;
260 
261 	if (!chip->info->ops->phy_read)
262 		return -EOPNOTSUPP;
263 
264 	return chip->info->ops->phy_read(chip, bus, addr, reg, val);
265 }
266 
267 static int mv88e6xxx_phy_write(struct mv88e6xxx_chip *chip, int phy,
268 			       int reg, u16 val)
269 {
270 	int addr = phy; /* PHY devices addresses start at 0x0 */
271 	struct mii_bus *bus;
272 
273 	bus = mv88e6xxx_default_mdio_bus(chip);
274 	if (!bus)
275 		return -EOPNOTSUPP;
276 
277 	if (!chip->info->ops->phy_write)
278 		return -EOPNOTSUPP;
279 
280 	return chip->info->ops->phy_write(chip, bus, addr, reg, val);
281 }
282 
283 static int mv88e6xxx_phy_page_get(struct mv88e6xxx_chip *chip, int phy, u8 page)
284 {
285 	if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_PHY_PAGE))
286 		return -EOPNOTSUPP;
287 
288 	return mv88e6xxx_phy_write(chip, phy, PHY_PAGE, page);
289 }
290 
291 static void mv88e6xxx_phy_page_put(struct mv88e6xxx_chip *chip, int phy)
292 {
293 	int err;
294 
295 	/* Restore PHY page Copper 0x0 for access via the registered MDIO bus */
296 	err = mv88e6xxx_phy_write(chip, phy, PHY_PAGE, PHY_PAGE_COPPER);
297 	if (unlikely(err)) {
298 		dev_err(chip->dev, "failed to restore PHY %d page Copper (%d)\n",
299 			phy, err);
300 	}
301 }
302 
303 static int mv88e6xxx_phy_page_read(struct mv88e6xxx_chip *chip, int phy,
304 				   u8 page, int reg, u16 *val)
305 {
306 	int err;
307 
308 	/* There is no paging for registers 22 */
309 	if (reg == PHY_PAGE)
310 		return -EINVAL;
311 
312 	err = mv88e6xxx_phy_page_get(chip, phy, page);
313 	if (!err) {
314 		err = mv88e6xxx_phy_read(chip, phy, reg, val);
315 		mv88e6xxx_phy_page_put(chip, phy);
316 	}
317 
318 	return err;
319 }
320 
321 static int mv88e6xxx_phy_page_write(struct mv88e6xxx_chip *chip, int phy,
322 				    u8 page, int reg, u16 val)
323 {
324 	int err;
325 
326 	/* There is no paging for registers 22 */
327 	if (reg == PHY_PAGE)
328 		return -EINVAL;
329 
330 	err = mv88e6xxx_phy_page_get(chip, phy, page);
331 	if (!err) {
332 		err = mv88e6xxx_phy_write(chip, phy, PHY_PAGE, page);
333 		mv88e6xxx_phy_page_put(chip, phy);
334 	}
335 
336 	return err;
337 }
338 
339 static int mv88e6xxx_serdes_read(struct mv88e6xxx_chip *chip, int reg, u16 *val)
340 {
341 	return mv88e6xxx_phy_page_read(chip, ADDR_SERDES, SERDES_PAGE_FIBER,
342 				       reg, val);
343 }
344 
345 static int mv88e6xxx_serdes_write(struct mv88e6xxx_chip *chip, int reg, u16 val)
346 {
347 	return mv88e6xxx_phy_page_write(chip, ADDR_SERDES, SERDES_PAGE_FIBER,
348 					reg, val);
349 }
350 
351 static void mv88e6xxx_g1_irq_mask(struct irq_data *d)
352 {
353 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
354 	unsigned int n = d->hwirq;
355 
356 	chip->g1_irq.masked |= (1 << n);
357 }
358 
359 static void mv88e6xxx_g1_irq_unmask(struct irq_data *d)
360 {
361 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
362 	unsigned int n = d->hwirq;
363 
364 	chip->g1_irq.masked &= ~(1 << n);
365 }
366 
367 static irqreturn_t mv88e6xxx_g1_irq_thread_fn(int irq, void *dev_id)
368 {
369 	struct mv88e6xxx_chip *chip = dev_id;
370 	unsigned int nhandled = 0;
371 	unsigned int sub_irq;
372 	unsigned int n;
373 	u16 reg;
374 	int err;
375 
376 	mutex_lock(&chip->reg_lock);
377 	err = mv88e6xxx_g1_read(chip, GLOBAL_STATUS, &reg);
378 	mutex_unlock(&chip->reg_lock);
379 
380 	if (err)
381 		goto out;
382 
383 	for (n = 0; n < chip->g1_irq.nirqs; ++n) {
384 		if (reg & (1 << n)) {
385 			sub_irq = irq_find_mapping(chip->g1_irq.domain, n);
386 			handle_nested_irq(sub_irq);
387 			++nhandled;
388 		}
389 	}
390 out:
391 	return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE);
392 }
393 
394 static void mv88e6xxx_g1_irq_bus_lock(struct irq_data *d)
395 {
396 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
397 
398 	mutex_lock(&chip->reg_lock);
399 }
400 
401 static void mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data *d)
402 {
403 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
404 	u16 mask = GENMASK(chip->g1_irq.nirqs, 0);
405 	u16 reg;
406 	int err;
407 
408 	err = mv88e6xxx_g1_read(chip, GLOBAL_CONTROL, &reg);
409 	if (err)
410 		goto out;
411 
412 	reg &= ~mask;
413 	reg |= (~chip->g1_irq.masked & mask);
414 
415 	err = mv88e6xxx_g1_write(chip, GLOBAL_CONTROL, reg);
416 	if (err)
417 		goto out;
418 
419 out:
420 	mutex_unlock(&chip->reg_lock);
421 }
422 
423 static struct irq_chip mv88e6xxx_g1_irq_chip = {
424 	.name			= "mv88e6xxx-g1",
425 	.irq_mask		= mv88e6xxx_g1_irq_mask,
426 	.irq_unmask		= mv88e6xxx_g1_irq_unmask,
427 	.irq_bus_lock		= mv88e6xxx_g1_irq_bus_lock,
428 	.irq_bus_sync_unlock	= mv88e6xxx_g1_irq_bus_sync_unlock,
429 };
430 
431 static int mv88e6xxx_g1_irq_domain_map(struct irq_domain *d,
432 				       unsigned int irq,
433 				       irq_hw_number_t hwirq)
434 {
435 	struct mv88e6xxx_chip *chip = d->host_data;
436 
437 	irq_set_chip_data(irq, d->host_data);
438 	irq_set_chip_and_handler(irq, &chip->g1_irq.chip, handle_level_irq);
439 	irq_set_noprobe(irq);
440 
441 	return 0;
442 }
443 
444 static const struct irq_domain_ops mv88e6xxx_g1_irq_domain_ops = {
445 	.map	= mv88e6xxx_g1_irq_domain_map,
446 	.xlate	= irq_domain_xlate_twocell,
447 };
448 
449 static void mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip *chip)
450 {
451 	int irq, virq;
452 	u16 mask;
453 
454 	mv88e6xxx_g1_read(chip, GLOBAL_CONTROL, &mask);
455 	mask |= GENMASK(chip->g1_irq.nirqs, 0);
456 	mv88e6xxx_g1_write(chip, GLOBAL_CONTROL, mask);
457 
458 	free_irq(chip->irq, chip);
459 
460 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++) {
461 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
462 		irq_dispose_mapping(virq);
463 	}
464 
465 	irq_domain_remove(chip->g1_irq.domain);
466 }
467 
468 static int mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip *chip)
469 {
470 	int err, irq, virq;
471 	u16 reg, mask;
472 
473 	chip->g1_irq.nirqs = chip->info->g1_irqs;
474 	chip->g1_irq.domain = irq_domain_add_simple(
475 		NULL, chip->g1_irq.nirqs, 0,
476 		&mv88e6xxx_g1_irq_domain_ops, chip);
477 	if (!chip->g1_irq.domain)
478 		return -ENOMEM;
479 
480 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++)
481 		irq_create_mapping(chip->g1_irq.domain, irq);
482 
483 	chip->g1_irq.chip = mv88e6xxx_g1_irq_chip;
484 	chip->g1_irq.masked = ~0;
485 
486 	err = mv88e6xxx_g1_read(chip, GLOBAL_CONTROL, &mask);
487 	if (err)
488 		goto out_mapping;
489 
490 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
491 
492 	err = mv88e6xxx_g1_write(chip, GLOBAL_CONTROL, mask);
493 	if (err)
494 		goto out_disable;
495 
496 	/* Reading the interrupt status clears (most of) them */
497 	err = mv88e6xxx_g1_read(chip, GLOBAL_STATUS, &reg);
498 	if (err)
499 		goto out_disable;
500 
501 	err = request_threaded_irq(chip->irq, NULL,
502 				   mv88e6xxx_g1_irq_thread_fn,
503 				   IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
504 				   dev_name(chip->dev), chip);
505 	if (err)
506 		goto out_disable;
507 
508 	return 0;
509 
510 out_disable:
511 	mask |= GENMASK(chip->g1_irq.nirqs, 0);
512 	mv88e6xxx_g1_write(chip, GLOBAL_CONTROL, mask);
513 
514 out_mapping:
515 	for (irq = 0; irq < 16; irq++) {
516 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
517 		irq_dispose_mapping(virq);
518 	}
519 
520 	irq_domain_remove(chip->g1_irq.domain);
521 
522 	return err;
523 }
524 
525 int mv88e6xxx_wait(struct mv88e6xxx_chip *chip, int addr, int reg, u16 mask)
526 {
527 	int i;
528 
529 	for (i = 0; i < 16; i++) {
530 		u16 val;
531 		int err;
532 
533 		err = mv88e6xxx_read(chip, addr, reg, &val);
534 		if (err)
535 			return err;
536 
537 		if (!(val & mask))
538 			return 0;
539 
540 		usleep_range(1000, 2000);
541 	}
542 
543 	dev_err(chip->dev, "Timeout while waiting for switch\n");
544 	return -ETIMEDOUT;
545 }
546 
547 /* Indirect write to single pointer-data register with an Update bit */
548 int mv88e6xxx_update(struct mv88e6xxx_chip *chip, int addr, int reg, u16 update)
549 {
550 	u16 val;
551 	int err;
552 
553 	/* Wait until the previous operation is completed */
554 	err = mv88e6xxx_wait(chip, addr, reg, BIT(15));
555 	if (err)
556 		return err;
557 
558 	/* Set the Update bit to trigger a write operation */
559 	val = BIT(15) | update;
560 
561 	return mv88e6xxx_write(chip, addr, reg, val);
562 }
563 
564 static int mv88e6xxx_ppu_disable(struct mv88e6xxx_chip *chip)
565 {
566 	if (!chip->info->ops->ppu_disable)
567 		return 0;
568 
569 	return chip->info->ops->ppu_disable(chip);
570 }
571 
572 static int mv88e6xxx_ppu_enable(struct mv88e6xxx_chip *chip)
573 {
574 	if (!chip->info->ops->ppu_enable)
575 		return 0;
576 
577 	return chip->info->ops->ppu_enable(chip);
578 }
579 
580 static void mv88e6xxx_ppu_reenable_work(struct work_struct *ugly)
581 {
582 	struct mv88e6xxx_chip *chip;
583 
584 	chip = container_of(ugly, struct mv88e6xxx_chip, ppu_work);
585 
586 	mutex_lock(&chip->reg_lock);
587 
588 	if (mutex_trylock(&chip->ppu_mutex)) {
589 		if (mv88e6xxx_ppu_enable(chip) == 0)
590 			chip->ppu_disabled = 0;
591 		mutex_unlock(&chip->ppu_mutex);
592 	}
593 
594 	mutex_unlock(&chip->reg_lock);
595 }
596 
597 static void mv88e6xxx_ppu_reenable_timer(unsigned long _ps)
598 {
599 	struct mv88e6xxx_chip *chip = (void *)_ps;
600 
601 	schedule_work(&chip->ppu_work);
602 }
603 
604 static int mv88e6xxx_ppu_access_get(struct mv88e6xxx_chip *chip)
605 {
606 	int ret;
607 
608 	mutex_lock(&chip->ppu_mutex);
609 
610 	/* If the PHY polling unit is enabled, disable it so that
611 	 * we can access the PHY registers.  If it was already
612 	 * disabled, cancel the timer that is going to re-enable
613 	 * it.
614 	 */
615 	if (!chip->ppu_disabled) {
616 		ret = mv88e6xxx_ppu_disable(chip);
617 		if (ret < 0) {
618 			mutex_unlock(&chip->ppu_mutex);
619 			return ret;
620 		}
621 		chip->ppu_disabled = 1;
622 	} else {
623 		del_timer(&chip->ppu_timer);
624 		ret = 0;
625 	}
626 
627 	return ret;
628 }
629 
630 static void mv88e6xxx_ppu_access_put(struct mv88e6xxx_chip *chip)
631 {
632 	/* Schedule a timer to re-enable the PHY polling unit. */
633 	mod_timer(&chip->ppu_timer, jiffies + msecs_to_jiffies(10));
634 	mutex_unlock(&chip->ppu_mutex);
635 }
636 
637 static void mv88e6xxx_ppu_state_init(struct mv88e6xxx_chip *chip)
638 {
639 	mutex_init(&chip->ppu_mutex);
640 	INIT_WORK(&chip->ppu_work, mv88e6xxx_ppu_reenable_work);
641 	setup_timer(&chip->ppu_timer, mv88e6xxx_ppu_reenable_timer,
642 		    (unsigned long)chip);
643 }
644 
645 static void mv88e6xxx_ppu_state_destroy(struct mv88e6xxx_chip *chip)
646 {
647 	del_timer_sync(&chip->ppu_timer);
648 }
649 
650 static int mv88e6xxx_phy_ppu_read(struct mv88e6xxx_chip *chip,
651 				  struct mii_bus *bus,
652 				  int addr, int reg, u16 *val)
653 {
654 	int err;
655 
656 	err = mv88e6xxx_ppu_access_get(chip);
657 	if (!err) {
658 		err = mv88e6xxx_read(chip, addr, reg, val);
659 		mv88e6xxx_ppu_access_put(chip);
660 	}
661 
662 	return err;
663 }
664 
665 static int mv88e6xxx_phy_ppu_write(struct mv88e6xxx_chip *chip,
666 				   struct mii_bus *bus,
667 				   int addr, int reg, u16 val)
668 {
669 	int err;
670 
671 	err = mv88e6xxx_ppu_access_get(chip);
672 	if (!err) {
673 		err = mv88e6xxx_write(chip, addr, reg, val);
674 		mv88e6xxx_ppu_access_put(chip);
675 	}
676 
677 	return err;
678 }
679 
680 static int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port,
681 				    int link, int speed, int duplex,
682 				    phy_interface_t mode)
683 {
684 	int err;
685 
686 	if (!chip->info->ops->port_set_link)
687 		return 0;
688 
689 	/* Port's MAC control must not be changed unless the link is down */
690 	err = chip->info->ops->port_set_link(chip, port, 0);
691 	if (err)
692 		return err;
693 
694 	if (chip->info->ops->port_set_speed) {
695 		err = chip->info->ops->port_set_speed(chip, port, speed);
696 		if (err && err != -EOPNOTSUPP)
697 			goto restore_link;
698 	}
699 
700 	if (chip->info->ops->port_set_duplex) {
701 		err = chip->info->ops->port_set_duplex(chip, port, duplex);
702 		if (err && err != -EOPNOTSUPP)
703 			goto restore_link;
704 	}
705 
706 	if (chip->info->ops->port_set_rgmii_delay) {
707 		err = chip->info->ops->port_set_rgmii_delay(chip, port, mode);
708 		if (err && err != -EOPNOTSUPP)
709 			goto restore_link;
710 	}
711 
712 	if (chip->info->ops->port_set_cmode) {
713 		err = chip->info->ops->port_set_cmode(chip, port, mode);
714 		if (err && err != -EOPNOTSUPP)
715 			goto restore_link;
716 	}
717 
718 	err = 0;
719 restore_link:
720 	if (chip->info->ops->port_set_link(chip, port, link))
721 		netdev_err(chip->ds->ports[port].netdev,
722 			   "failed to restore MAC's link\n");
723 
724 	return err;
725 }
726 
727 /* We expect the switch to perform auto negotiation if there is a real
728  * phy. However, in the case of a fixed link phy, we force the port
729  * settings from the fixed link settings.
730  */
731 static void mv88e6xxx_adjust_link(struct dsa_switch *ds, int port,
732 				  struct phy_device *phydev)
733 {
734 	struct mv88e6xxx_chip *chip = ds->priv;
735 	int err;
736 
737 	if (!phy_is_pseudo_fixed_link(phydev))
738 		return;
739 
740 	mutex_lock(&chip->reg_lock);
741 	err = mv88e6xxx_port_setup_mac(chip, port, phydev->link, phydev->speed,
742 				       phydev->duplex, phydev->interface);
743 	mutex_unlock(&chip->reg_lock);
744 
745 	if (err && err != -EOPNOTSUPP)
746 		netdev_err(ds->ports[port].netdev, "failed to configure MAC\n");
747 }
748 
749 static int mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip *chip, int port)
750 {
751 	if (!chip->info->ops->stats_snapshot)
752 		return -EOPNOTSUPP;
753 
754 	return chip->info->ops->stats_snapshot(chip, port);
755 }
756 
757 static struct mv88e6xxx_hw_stat mv88e6xxx_hw_stats[] = {
758 	{ "in_good_octets",		8, 0x00, STATS_TYPE_BANK0, },
759 	{ "in_bad_octets",		4, 0x02, STATS_TYPE_BANK0, },
760 	{ "in_unicast",			4, 0x04, STATS_TYPE_BANK0, },
761 	{ "in_broadcasts",		4, 0x06, STATS_TYPE_BANK0, },
762 	{ "in_multicasts",		4, 0x07, STATS_TYPE_BANK0, },
763 	{ "in_pause",			4, 0x16, STATS_TYPE_BANK0, },
764 	{ "in_undersize",		4, 0x18, STATS_TYPE_BANK0, },
765 	{ "in_fragments",		4, 0x19, STATS_TYPE_BANK0, },
766 	{ "in_oversize",		4, 0x1a, STATS_TYPE_BANK0, },
767 	{ "in_jabber",			4, 0x1b, STATS_TYPE_BANK0, },
768 	{ "in_rx_error",		4, 0x1c, STATS_TYPE_BANK0, },
769 	{ "in_fcs_error",		4, 0x1d, STATS_TYPE_BANK0, },
770 	{ "out_octets",			8, 0x0e, STATS_TYPE_BANK0, },
771 	{ "out_unicast",		4, 0x10, STATS_TYPE_BANK0, },
772 	{ "out_broadcasts",		4, 0x13, STATS_TYPE_BANK0, },
773 	{ "out_multicasts",		4, 0x12, STATS_TYPE_BANK0, },
774 	{ "out_pause",			4, 0x15, STATS_TYPE_BANK0, },
775 	{ "excessive",			4, 0x11, STATS_TYPE_BANK0, },
776 	{ "collisions",			4, 0x1e, STATS_TYPE_BANK0, },
777 	{ "deferred",			4, 0x05, STATS_TYPE_BANK0, },
778 	{ "single",			4, 0x14, STATS_TYPE_BANK0, },
779 	{ "multiple",			4, 0x17, STATS_TYPE_BANK0, },
780 	{ "out_fcs_error",		4, 0x03, STATS_TYPE_BANK0, },
781 	{ "late",			4, 0x1f, STATS_TYPE_BANK0, },
782 	{ "hist_64bytes",		4, 0x08, STATS_TYPE_BANK0, },
783 	{ "hist_65_127bytes",		4, 0x09, STATS_TYPE_BANK0, },
784 	{ "hist_128_255bytes",		4, 0x0a, STATS_TYPE_BANK0, },
785 	{ "hist_256_511bytes",		4, 0x0b, STATS_TYPE_BANK0, },
786 	{ "hist_512_1023bytes",		4, 0x0c, STATS_TYPE_BANK0, },
787 	{ "hist_1024_max_bytes",	4, 0x0d, STATS_TYPE_BANK0, },
788 	{ "sw_in_discards",		4, 0x10, STATS_TYPE_PORT, },
789 	{ "sw_in_filtered",		2, 0x12, STATS_TYPE_PORT, },
790 	{ "sw_out_filtered",		2, 0x13, STATS_TYPE_PORT, },
791 	{ "in_discards",		4, 0x00, STATS_TYPE_BANK1, },
792 	{ "in_filtered",		4, 0x01, STATS_TYPE_BANK1, },
793 	{ "in_accepted",		4, 0x02, STATS_TYPE_BANK1, },
794 	{ "in_bad_accepted",		4, 0x03, STATS_TYPE_BANK1, },
795 	{ "in_good_avb_class_a",	4, 0x04, STATS_TYPE_BANK1, },
796 	{ "in_good_avb_class_b",	4, 0x05, STATS_TYPE_BANK1, },
797 	{ "in_bad_avb_class_a",		4, 0x06, STATS_TYPE_BANK1, },
798 	{ "in_bad_avb_class_b",		4, 0x07, STATS_TYPE_BANK1, },
799 	{ "tcam_counter_0",		4, 0x08, STATS_TYPE_BANK1, },
800 	{ "tcam_counter_1",		4, 0x09, STATS_TYPE_BANK1, },
801 	{ "tcam_counter_2",		4, 0x0a, STATS_TYPE_BANK1, },
802 	{ "tcam_counter_3",		4, 0x0b, STATS_TYPE_BANK1, },
803 	{ "in_da_unknown",		4, 0x0e, STATS_TYPE_BANK1, },
804 	{ "in_management",		4, 0x0f, STATS_TYPE_BANK1, },
805 	{ "out_queue_0",		4, 0x10, STATS_TYPE_BANK1, },
806 	{ "out_queue_1",		4, 0x11, STATS_TYPE_BANK1, },
807 	{ "out_queue_2",		4, 0x12, STATS_TYPE_BANK1, },
808 	{ "out_queue_3",		4, 0x13, STATS_TYPE_BANK1, },
809 	{ "out_queue_4",		4, 0x14, STATS_TYPE_BANK1, },
810 	{ "out_queue_5",		4, 0x15, STATS_TYPE_BANK1, },
811 	{ "out_queue_6",		4, 0x16, STATS_TYPE_BANK1, },
812 	{ "out_queue_7",		4, 0x17, STATS_TYPE_BANK1, },
813 	{ "out_cut_through",		4, 0x18, STATS_TYPE_BANK1, },
814 	{ "out_octets_a",		4, 0x1a, STATS_TYPE_BANK1, },
815 	{ "out_octets_b",		4, 0x1b, STATS_TYPE_BANK1, },
816 	{ "out_management",		4, 0x1f, STATS_TYPE_BANK1, },
817 };
818 
819 static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip,
820 					    struct mv88e6xxx_hw_stat *s,
821 					    int port, u16 bank1_select,
822 					    u16 histogram)
823 {
824 	u32 low;
825 	u32 high = 0;
826 	u16 reg = 0;
827 	int err;
828 	u64 value;
829 
830 	switch (s->type) {
831 	case STATS_TYPE_PORT:
832 		err = mv88e6xxx_port_read(chip, port, s->reg, &reg);
833 		if (err)
834 			return UINT64_MAX;
835 
836 		low = reg;
837 		if (s->sizeof_stat == 4) {
838 			err = mv88e6xxx_port_read(chip, port, s->reg + 1, &reg);
839 			if (err)
840 				return UINT64_MAX;
841 			high = reg;
842 		}
843 		break;
844 	case STATS_TYPE_BANK1:
845 		reg = bank1_select;
846 		/* fall through */
847 	case STATS_TYPE_BANK0:
848 		reg |= s->reg | histogram;
849 		mv88e6xxx_g1_stats_read(chip, reg, &low);
850 		if (s->sizeof_stat == 8)
851 			mv88e6xxx_g1_stats_read(chip, reg + 1, &high);
852 		break;
853 	default:
854 		return UINT64_MAX;
855 	}
856 	value = (((u64)high) << 16) | low;
857 	return value;
858 }
859 
860 static void mv88e6xxx_stats_get_strings(struct mv88e6xxx_chip *chip,
861 					uint8_t *data, int types)
862 {
863 	struct mv88e6xxx_hw_stat *stat;
864 	int i, j;
865 
866 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
867 		stat = &mv88e6xxx_hw_stats[i];
868 		if (stat->type & types) {
869 			memcpy(data + j * ETH_GSTRING_LEN, stat->string,
870 			       ETH_GSTRING_LEN);
871 			j++;
872 		}
873 	}
874 }
875 
876 static void mv88e6095_stats_get_strings(struct mv88e6xxx_chip *chip,
877 					uint8_t *data)
878 {
879 	mv88e6xxx_stats_get_strings(chip, data,
880 				    STATS_TYPE_BANK0 | STATS_TYPE_PORT);
881 }
882 
883 static void mv88e6320_stats_get_strings(struct mv88e6xxx_chip *chip,
884 					uint8_t *data)
885 {
886 	mv88e6xxx_stats_get_strings(chip, data,
887 				    STATS_TYPE_BANK0 | STATS_TYPE_BANK1);
888 }
889 
890 static void mv88e6xxx_get_strings(struct dsa_switch *ds, int port,
891 				  uint8_t *data)
892 {
893 	struct mv88e6xxx_chip *chip = ds->priv;
894 
895 	if (chip->info->ops->stats_get_strings)
896 		chip->info->ops->stats_get_strings(chip, data);
897 }
898 
899 static int mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip *chip,
900 					  int types)
901 {
902 	struct mv88e6xxx_hw_stat *stat;
903 	int i, j;
904 
905 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
906 		stat = &mv88e6xxx_hw_stats[i];
907 		if (stat->type & types)
908 			j++;
909 	}
910 	return j;
911 }
912 
913 static int mv88e6095_stats_get_sset_count(struct mv88e6xxx_chip *chip)
914 {
915 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
916 					      STATS_TYPE_PORT);
917 }
918 
919 static int mv88e6320_stats_get_sset_count(struct mv88e6xxx_chip *chip)
920 {
921 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
922 					      STATS_TYPE_BANK1);
923 }
924 
925 static int mv88e6xxx_get_sset_count(struct dsa_switch *ds)
926 {
927 	struct mv88e6xxx_chip *chip = ds->priv;
928 
929 	if (chip->info->ops->stats_get_sset_count)
930 		return chip->info->ops->stats_get_sset_count(chip);
931 
932 	return 0;
933 }
934 
935 static void mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
936 				      uint64_t *data, int types,
937 				      u16 bank1_select, u16 histogram)
938 {
939 	struct mv88e6xxx_hw_stat *stat;
940 	int i, j;
941 
942 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
943 		stat = &mv88e6xxx_hw_stats[i];
944 		if (stat->type & types) {
945 			data[j] = _mv88e6xxx_get_ethtool_stat(chip, stat, port,
946 							      bank1_select,
947 							      histogram);
948 			j++;
949 		}
950 	}
951 }
952 
953 static void mv88e6095_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
954 				      uint64_t *data)
955 {
956 	return mv88e6xxx_stats_get_stats(chip, port, data,
957 					 STATS_TYPE_BANK0 | STATS_TYPE_PORT,
958 					 0, GLOBAL_STATS_OP_HIST_RX_TX);
959 }
960 
961 static void mv88e6320_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
962 				      uint64_t *data)
963 {
964 	return mv88e6xxx_stats_get_stats(chip, port, data,
965 					 STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
966 					 GLOBAL_STATS_OP_BANK_1_BIT_9,
967 					 GLOBAL_STATS_OP_HIST_RX_TX);
968 }
969 
970 static void mv88e6390_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
971 				      uint64_t *data)
972 {
973 	return mv88e6xxx_stats_get_stats(chip, port, data,
974 					 STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
975 					 GLOBAL_STATS_OP_BANK_1_BIT_10, 0);
976 }
977 
978 static void mv88e6xxx_get_stats(struct mv88e6xxx_chip *chip, int port,
979 				uint64_t *data)
980 {
981 	if (chip->info->ops->stats_get_stats)
982 		chip->info->ops->stats_get_stats(chip, port, data);
983 }
984 
985 static void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds, int port,
986 					uint64_t *data)
987 {
988 	struct mv88e6xxx_chip *chip = ds->priv;
989 	int ret;
990 
991 	mutex_lock(&chip->reg_lock);
992 
993 	ret = mv88e6xxx_stats_snapshot(chip, port);
994 	if (ret < 0) {
995 		mutex_unlock(&chip->reg_lock);
996 		return;
997 	}
998 
999 	mv88e6xxx_get_stats(chip, port, data);
1000 
1001 	mutex_unlock(&chip->reg_lock);
1002 }
1003 
1004 static int mv88e6xxx_stats_set_histogram(struct mv88e6xxx_chip *chip)
1005 {
1006 	if (chip->info->ops->stats_set_histogram)
1007 		return chip->info->ops->stats_set_histogram(chip);
1008 
1009 	return 0;
1010 }
1011 
1012 static int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port)
1013 {
1014 	return 32 * sizeof(u16);
1015 }
1016 
1017 static void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,
1018 			       struct ethtool_regs *regs, void *_p)
1019 {
1020 	struct mv88e6xxx_chip *chip = ds->priv;
1021 	int err;
1022 	u16 reg;
1023 	u16 *p = _p;
1024 	int i;
1025 
1026 	regs->version = 0;
1027 
1028 	memset(p, 0xff, 32 * sizeof(u16));
1029 
1030 	mutex_lock(&chip->reg_lock);
1031 
1032 	for (i = 0; i < 32; i++) {
1033 
1034 		err = mv88e6xxx_port_read(chip, port, i, &reg);
1035 		if (!err)
1036 			p[i] = reg;
1037 	}
1038 
1039 	mutex_unlock(&chip->reg_lock);
1040 }
1041 
1042 static int mv88e6xxx_get_eee(struct dsa_switch *ds, int port,
1043 			     struct ethtool_eee *e)
1044 {
1045 	struct mv88e6xxx_chip *chip = ds->priv;
1046 	u16 reg;
1047 	int err;
1048 
1049 	if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_EEE))
1050 		return -EOPNOTSUPP;
1051 
1052 	mutex_lock(&chip->reg_lock);
1053 
1054 	err = mv88e6xxx_phy_read(chip, port, 16, &reg);
1055 	if (err)
1056 		goto out;
1057 
1058 	e->eee_enabled = !!(reg & 0x0200);
1059 	e->tx_lpi_enabled = !!(reg & 0x0100);
1060 
1061 	err = mv88e6xxx_port_read(chip, port, PORT_STATUS, &reg);
1062 	if (err)
1063 		goto out;
1064 
1065 	e->eee_active = !!(reg & PORT_STATUS_EEE);
1066 out:
1067 	mutex_unlock(&chip->reg_lock);
1068 
1069 	return err;
1070 }
1071 
1072 static int mv88e6xxx_set_eee(struct dsa_switch *ds, int port,
1073 			     struct phy_device *phydev, struct ethtool_eee *e)
1074 {
1075 	struct mv88e6xxx_chip *chip = ds->priv;
1076 	u16 reg;
1077 	int err;
1078 
1079 	if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_EEE))
1080 		return -EOPNOTSUPP;
1081 
1082 	mutex_lock(&chip->reg_lock);
1083 
1084 	err = mv88e6xxx_phy_read(chip, port, 16, &reg);
1085 	if (err)
1086 		goto out;
1087 
1088 	reg &= ~0x0300;
1089 	if (e->eee_enabled)
1090 		reg |= 0x0200;
1091 	if (e->tx_lpi_enabled)
1092 		reg |= 0x0100;
1093 
1094 	err = mv88e6xxx_phy_write(chip, port, 16, reg);
1095 out:
1096 	mutex_unlock(&chip->reg_lock);
1097 
1098 	return err;
1099 }
1100 
1101 static u16 mv88e6xxx_port_vlan(struct mv88e6xxx_chip *chip, int dev, int port)
1102 {
1103 	struct dsa_switch *ds = NULL;
1104 	struct net_device *br;
1105 	u16 pvlan;
1106 	int i;
1107 
1108 	if (dev < DSA_MAX_SWITCHES)
1109 		ds = chip->ds->dst->ds[dev];
1110 
1111 	/* Prevent frames from unknown switch or port */
1112 	if (!ds || port >= ds->num_ports)
1113 		return 0;
1114 
1115 	/* Frames from DSA links and CPU ports can egress any local port */
1116 	if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))
1117 		return mv88e6xxx_port_mask(chip);
1118 
1119 	br = ds->ports[port].bridge_dev;
1120 	pvlan = 0;
1121 
1122 	/* Frames from user ports can egress any local DSA links and CPU ports,
1123 	 * as well as any local member of their bridge group.
1124 	 */
1125 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
1126 		if (dsa_is_cpu_port(chip->ds, i) ||
1127 		    dsa_is_dsa_port(chip->ds, i) ||
1128 		    (br && chip->ds->ports[i].bridge_dev == br))
1129 			pvlan |= BIT(i);
1130 
1131 	return pvlan;
1132 }
1133 
1134 static int mv88e6xxx_port_vlan_map(struct mv88e6xxx_chip *chip, int port)
1135 {
1136 	u16 output_ports = mv88e6xxx_port_vlan(chip, chip->ds->index, port);
1137 
1138 	/* prevent frames from going back out of the port they came in on */
1139 	output_ports &= ~BIT(port);
1140 
1141 	return mv88e6xxx_port_set_vlan_map(chip, port, output_ports);
1142 }
1143 
1144 static void mv88e6xxx_port_stp_state_set(struct dsa_switch *ds, int port,
1145 					 u8 state)
1146 {
1147 	struct mv88e6xxx_chip *chip = ds->priv;
1148 	int stp_state;
1149 	int err;
1150 
1151 	switch (state) {
1152 	case BR_STATE_DISABLED:
1153 		stp_state = PORT_CONTROL_STATE_DISABLED;
1154 		break;
1155 	case BR_STATE_BLOCKING:
1156 	case BR_STATE_LISTENING:
1157 		stp_state = PORT_CONTROL_STATE_BLOCKING;
1158 		break;
1159 	case BR_STATE_LEARNING:
1160 		stp_state = PORT_CONTROL_STATE_LEARNING;
1161 		break;
1162 	case BR_STATE_FORWARDING:
1163 	default:
1164 		stp_state = PORT_CONTROL_STATE_FORWARDING;
1165 		break;
1166 	}
1167 
1168 	mutex_lock(&chip->reg_lock);
1169 	err = mv88e6xxx_port_set_state(chip, port, stp_state);
1170 	mutex_unlock(&chip->reg_lock);
1171 
1172 	if (err)
1173 		netdev_err(ds->ports[port].netdev, "failed to update state\n");
1174 }
1175 
1176 static int mv88e6xxx_atu_setup(struct mv88e6xxx_chip *chip)
1177 {
1178 	int err;
1179 
1180 	err = mv88e6xxx_g1_atu_flush(chip, 0, true);
1181 	if (err)
1182 		return err;
1183 
1184 	err = mv88e6xxx_g1_atu_set_learn2all(chip, true);
1185 	if (err)
1186 		return err;
1187 
1188 	return mv88e6xxx_g1_atu_set_age_time(chip, 300000);
1189 }
1190 
1191 static int mv88e6xxx_pvt_map(struct mv88e6xxx_chip *chip, int dev, int port)
1192 {
1193 	u16 pvlan = 0;
1194 
1195 	if (!mv88e6xxx_has_pvt(chip))
1196 		return -EOPNOTSUPP;
1197 
1198 	/* Skip the local source device, which uses in-chip port VLAN */
1199 	if (dev != chip->ds->index)
1200 		pvlan = mv88e6xxx_port_vlan(chip, dev, port);
1201 
1202 	return mv88e6xxx_g2_pvt_write(chip, dev, port, pvlan);
1203 }
1204 
1205 static int mv88e6xxx_pvt_setup(struct mv88e6xxx_chip *chip)
1206 {
1207 	int dev, port;
1208 	int err;
1209 
1210 	if (!mv88e6xxx_has_pvt(chip))
1211 		return 0;
1212 
1213 	/* Clear 5 Bit Port for usage with Marvell Link Street devices:
1214 	 * use 4 bits for the Src_Port/Src_Trunk and 5 bits for the Src_Dev.
1215 	 */
1216 	err = mv88e6xxx_g2_misc_4_bit_port(chip);
1217 	if (err)
1218 		return err;
1219 
1220 	for (dev = 0; dev < MV88E6XXX_MAX_PVT_SWITCHES; ++dev) {
1221 		for (port = 0; port < MV88E6XXX_MAX_PVT_PORTS; ++port) {
1222 			err = mv88e6xxx_pvt_map(chip, dev, port);
1223 			if (err)
1224 				return err;
1225 		}
1226 	}
1227 
1228 	return 0;
1229 }
1230 
1231 static void mv88e6xxx_port_fast_age(struct dsa_switch *ds, int port)
1232 {
1233 	struct mv88e6xxx_chip *chip = ds->priv;
1234 	int err;
1235 
1236 	mutex_lock(&chip->reg_lock);
1237 	err = mv88e6xxx_g1_atu_remove(chip, 0, port, false);
1238 	mutex_unlock(&chip->reg_lock);
1239 
1240 	if (err)
1241 		netdev_err(ds->ports[port].netdev, "failed to flush ATU\n");
1242 }
1243 
1244 static int mv88e6xxx_vtu_setup(struct mv88e6xxx_chip *chip)
1245 {
1246 	if (!chip->info->max_vid)
1247 		return 0;
1248 
1249 	return mv88e6xxx_g1_vtu_flush(chip);
1250 }
1251 
1252 static int mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
1253 				 struct mv88e6xxx_vtu_entry *entry)
1254 {
1255 	if (!chip->info->ops->vtu_getnext)
1256 		return -EOPNOTSUPP;
1257 
1258 	return chip->info->ops->vtu_getnext(chip, entry);
1259 }
1260 
1261 static int mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
1262 				   struct mv88e6xxx_vtu_entry *entry)
1263 {
1264 	if (!chip->info->ops->vtu_loadpurge)
1265 		return -EOPNOTSUPP;
1266 
1267 	return chip->info->ops->vtu_loadpurge(chip, entry);
1268 }
1269 
1270 static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
1271 				    struct switchdev_obj_port_vlan *vlan,
1272 				    int (*cb)(struct switchdev_obj *obj))
1273 {
1274 	struct mv88e6xxx_chip *chip = ds->priv;
1275 	struct mv88e6xxx_vtu_entry next = {
1276 		.vid = chip->info->max_vid,
1277 	};
1278 	u16 pvid;
1279 	int err;
1280 
1281 	if (!chip->info->max_vid)
1282 		return -EOPNOTSUPP;
1283 
1284 	mutex_lock(&chip->reg_lock);
1285 
1286 	err = mv88e6xxx_port_get_pvid(chip, port, &pvid);
1287 	if (err)
1288 		goto unlock;
1289 
1290 	do {
1291 		err = mv88e6xxx_vtu_getnext(chip, &next);
1292 		if (err)
1293 			break;
1294 
1295 		if (!next.valid)
1296 			break;
1297 
1298 		if (next.member[port] == GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
1299 			continue;
1300 
1301 		/* reinit and dump this VLAN obj */
1302 		vlan->vid_begin = next.vid;
1303 		vlan->vid_end = next.vid;
1304 		vlan->flags = 0;
1305 
1306 		if (next.member[port] == GLOBAL_VTU_DATA_MEMBER_TAG_UNTAGGED)
1307 			vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED;
1308 
1309 		if (next.vid == pvid)
1310 			vlan->flags |= BRIDGE_VLAN_INFO_PVID;
1311 
1312 		err = cb(&vlan->obj);
1313 		if (err)
1314 			break;
1315 	} while (next.vid < chip->info->max_vid);
1316 
1317 unlock:
1318 	mutex_unlock(&chip->reg_lock);
1319 
1320 	return err;
1321 }
1322 
1323 static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
1324 {
1325 	DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID);
1326 	struct mv88e6xxx_vtu_entry vlan = {
1327 		.vid = chip->info->max_vid,
1328 	};
1329 	int i, err;
1330 
1331 	bitmap_zero(fid_bitmap, MV88E6XXX_N_FID);
1332 
1333 	/* Set every FID bit used by the (un)bridged ports */
1334 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
1335 		err = mv88e6xxx_port_get_fid(chip, i, fid);
1336 		if (err)
1337 			return err;
1338 
1339 		set_bit(*fid, fid_bitmap);
1340 	}
1341 
1342 	/* Set every FID bit used by the VLAN entries */
1343 	do {
1344 		err = mv88e6xxx_vtu_getnext(chip, &vlan);
1345 		if (err)
1346 			return err;
1347 
1348 		if (!vlan.valid)
1349 			break;
1350 
1351 		set_bit(vlan.fid, fid_bitmap);
1352 	} while (vlan.vid < chip->info->max_vid);
1353 
1354 	/* The reset value 0x000 is used to indicate that multiple address
1355 	 * databases are not needed. Return the next positive available.
1356 	 */
1357 	*fid = find_next_zero_bit(fid_bitmap, MV88E6XXX_N_FID, 1);
1358 	if (unlikely(*fid >= mv88e6xxx_num_databases(chip)))
1359 		return -ENOSPC;
1360 
1361 	/* Clear the database */
1362 	return mv88e6xxx_g1_atu_flush(chip, *fid, true);
1363 }
1364 
1365 static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
1366 			     struct mv88e6xxx_vtu_entry *entry, bool new)
1367 {
1368 	int err;
1369 
1370 	if (!vid)
1371 		return -EINVAL;
1372 
1373 	entry->vid = vid - 1;
1374 	entry->valid = false;
1375 
1376 	err = mv88e6xxx_vtu_getnext(chip, entry);
1377 	if (err)
1378 		return err;
1379 
1380 	if (entry->vid == vid && entry->valid)
1381 		return 0;
1382 
1383 	if (new) {
1384 		int i;
1385 
1386 		/* Initialize a fresh VLAN entry */
1387 		memset(entry, 0, sizeof(*entry));
1388 		entry->valid = true;
1389 		entry->vid = vid;
1390 
1391 		/* Include only CPU and DSA ports */
1392 		for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
1393 			entry->member[i] = dsa_is_normal_port(chip->ds, i) ?
1394 				GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER :
1395 				GLOBAL_VTU_DATA_MEMBER_TAG_UNMODIFIED;
1396 
1397 		return mv88e6xxx_atu_new(chip, &entry->fid);
1398 	}
1399 
1400 	/* switchdev expects -EOPNOTSUPP to honor software VLANs */
1401 	return -EOPNOTSUPP;
1402 }
1403 
1404 static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
1405 					u16 vid_begin, u16 vid_end)
1406 {
1407 	struct mv88e6xxx_chip *chip = ds->priv;
1408 	struct mv88e6xxx_vtu_entry vlan = {
1409 		.vid = vid_begin - 1,
1410 	};
1411 	int i, err;
1412 
1413 	if (!vid_begin)
1414 		return -EOPNOTSUPP;
1415 
1416 	mutex_lock(&chip->reg_lock);
1417 
1418 	do {
1419 		err = mv88e6xxx_vtu_getnext(chip, &vlan);
1420 		if (err)
1421 			goto unlock;
1422 
1423 		if (!vlan.valid)
1424 			break;
1425 
1426 		if (vlan.vid > vid_end)
1427 			break;
1428 
1429 		for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
1430 			if (dsa_is_dsa_port(ds, i) || dsa_is_cpu_port(ds, i))
1431 				continue;
1432 
1433 			if (!ds->ports[port].netdev)
1434 				continue;
1435 
1436 			if (vlan.member[i] ==
1437 			    GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
1438 				continue;
1439 
1440 			if (ds->ports[i].bridge_dev ==
1441 			    ds->ports[port].bridge_dev)
1442 				break; /* same bridge, check next VLAN */
1443 
1444 			if (!ds->ports[i].bridge_dev)
1445 				continue;
1446 
1447 			netdev_warn(ds->ports[port].netdev,
1448 				    "hardware VLAN %d already used by %s\n",
1449 				    vlan.vid,
1450 				    netdev_name(ds->ports[i].bridge_dev));
1451 			err = -EOPNOTSUPP;
1452 			goto unlock;
1453 		}
1454 	} while (vlan.vid < vid_end);
1455 
1456 unlock:
1457 	mutex_unlock(&chip->reg_lock);
1458 
1459 	return err;
1460 }
1461 
1462 static int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
1463 					 bool vlan_filtering)
1464 {
1465 	struct mv88e6xxx_chip *chip = ds->priv;
1466 	u16 mode = vlan_filtering ? PORT_CONTROL_2_8021Q_SECURE :
1467 		PORT_CONTROL_2_8021Q_DISABLED;
1468 	int err;
1469 
1470 	if (!chip->info->max_vid)
1471 		return -EOPNOTSUPP;
1472 
1473 	mutex_lock(&chip->reg_lock);
1474 	err = mv88e6xxx_port_set_8021q_mode(chip, port, mode);
1475 	mutex_unlock(&chip->reg_lock);
1476 
1477 	return err;
1478 }
1479 
1480 static int
1481 mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port,
1482 			    const struct switchdev_obj_port_vlan *vlan,
1483 			    struct switchdev_trans *trans)
1484 {
1485 	struct mv88e6xxx_chip *chip = ds->priv;
1486 	int err;
1487 
1488 	if (!chip->info->max_vid)
1489 		return -EOPNOTSUPP;
1490 
1491 	/* If the requested port doesn't belong to the same bridge as the VLAN
1492 	 * members, do not support it (yet) and fallback to software VLAN.
1493 	 */
1494 	err = mv88e6xxx_port_check_hw_vlan(ds, port, vlan->vid_begin,
1495 					   vlan->vid_end);
1496 	if (err)
1497 		return err;
1498 
1499 	/* We don't need any dynamic resource from the kernel (yet),
1500 	 * so skip the prepare phase.
1501 	 */
1502 	return 0;
1503 }
1504 
1505 static int _mv88e6xxx_port_vlan_add(struct mv88e6xxx_chip *chip, int port,
1506 				    u16 vid, bool untagged)
1507 {
1508 	struct mv88e6xxx_vtu_entry vlan;
1509 	int err;
1510 
1511 	err = mv88e6xxx_vtu_get(chip, vid, &vlan, true);
1512 	if (err)
1513 		return err;
1514 
1515 	vlan.member[port] = untagged ?
1516 		GLOBAL_VTU_DATA_MEMBER_TAG_UNTAGGED :
1517 		GLOBAL_VTU_DATA_MEMBER_TAG_TAGGED;
1518 
1519 	return mv88e6xxx_vtu_loadpurge(chip, &vlan);
1520 }
1521 
1522 static void mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
1523 				    const struct switchdev_obj_port_vlan *vlan,
1524 				    struct switchdev_trans *trans)
1525 {
1526 	struct mv88e6xxx_chip *chip = ds->priv;
1527 	bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
1528 	bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
1529 	u16 vid;
1530 
1531 	if (!chip->info->max_vid)
1532 		return;
1533 
1534 	mutex_lock(&chip->reg_lock);
1535 
1536 	for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid)
1537 		if (_mv88e6xxx_port_vlan_add(chip, port, vid, untagged))
1538 			netdev_err(ds->ports[port].netdev,
1539 				   "failed to add VLAN %d%c\n",
1540 				   vid, untagged ? 'u' : 't');
1541 
1542 	if (pvid && mv88e6xxx_port_set_pvid(chip, port, vlan->vid_end))
1543 		netdev_err(ds->ports[port].netdev, "failed to set PVID %d\n",
1544 			   vlan->vid_end);
1545 
1546 	mutex_unlock(&chip->reg_lock);
1547 }
1548 
1549 static int _mv88e6xxx_port_vlan_del(struct mv88e6xxx_chip *chip,
1550 				    int port, u16 vid)
1551 {
1552 	struct dsa_switch *ds = chip->ds;
1553 	struct mv88e6xxx_vtu_entry vlan;
1554 	int i, err;
1555 
1556 	err = mv88e6xxx_vtu_get(chip, vid, &vlan, false);
1557 	if (err)
1558 		return err;
1559 
1560 	/* Tell switchdev if this VLAN is handled in software */
1561 	if (vlan.member[port] == GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
1562 		return -EOPNOTSUPP;
1563 
1564 	vlan.member[port] = GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER;
1565 
1566 	/* keep the VLAN unless all ports are excluded */
1567 	vlan.valid = false;
1568 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
1569 		if (dsa_is_cpu_port(ds, i) || dsa_is_dsa_port(ds, i))
1570 			continue;
1571 
1572 		if (vlan.member[i] != GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
1573 			vlan.valid = true;
1574 			break;
1575 		}
1576 	}
1577 
1578 	err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
1579 	if (err)
1580 		return err;
1581 
1582 	return mv88e6xxx_g1_atu_remove(chip, vlan.fid, port, false);
1583 }
1584 
1585 static int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port,
1586 				   const struct switchdev_obj_port_vlan *vlan)
1587 {
1588 	struct mv88e6xxx_chip *chip = ds->priv;
1589 	u16 pvid, vid;
1590 	int err = 0;
1591 
1592 	if (!chip->info->max_vid)
1593 		return -EOPNOTSUPP;
1594 
1595 	mutex_lock(&chip->reg_lock);
1596 
1597 	err = mv88e6xxx_port_get_pvid(chip, port, &pvid);
1598 	if (err)
1599 		goto unlock;
1600 
1601 	for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid) {
1602 		err = _mv88e6xxx_port_vlan_del(chip, port, vid);
1603 		if (err)
1604 			goto unlock;
1605 
1606 		if (vid == pvid) {
1607 			err = mv88e6xxx_port_set_pvid(chip, port, 0);
1608 			if (err)
1609 				goto unlock;
1610 		}
1611 	}
1612 
1613 unlock:
1614 	mutex_unlock(&chip->reg_lock);
1615 
1616 	return err;
1617 }
1618 
1619 static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port,
1620 					const unsigned char *addr, u16 vid,
1621 					u8 state)
1622 {
1623 	struct mv88e6xxx_vtu_entry vlan;
1624 	struct mv88e6xxx_atu_entry entry;
1625 	int err;
1626 
1627 	/* Null VLAN ID corresponds to the port private database */
1628 	if (vid == 0)
1629 		err = mv88e6xxx_port_get_fid(chip, port, &vlan.fid);
1630 	else
1631 		err = mv88e6xxx_vtu_get(chip, vid, &vlan, false);
1632 	if (err)
1633 		return err;
1634 
1635 	entry.state = GLOBAL_ATU_DATA_STATE_UNUSED;
1636 	ether_addr_copy(entry.mac, addr);
1637 	eth_addr_dec(entry.mac);
1638 
1639 	err = mv88e6xxx_g1_atu_getnext(chip, vlan.fid, &entry);
1640 	if (err)
1641 		return err;
1642 
1643 	/* Initialize a fresh ATU entry if it isn't found */
1644 	if (entry.state == GLOBAL_ATU_DATA_STATE_UNUSED ||
1645 	    !ether_addr_equal(entry.mac, addr)) {
1646 		memset(&entry, 0, sizeof(entry));
1647 		ether_addr_copy(entry.mac, addr);
1648 	}
1649 
1650 	/* Purge the ATU entry only if no port is using it anymore */
1651 	if (state == GLOBAL_ATU_DATA_STATE_UNUSED) {
1652 		entry.portvec &= ~BIT(port);
1653 		if (!entry.portvec)
1654 			entry.state = GLOBAL_ATU_DATA_STATE_UNUSED;
1655 	} else {
1656 		entry.portvec |= BIT(port);
1657 		entry.state = state;
1658 	}
1659 
1660 	return mv88e6xxx_g1_atu_loadpurge(chip, vlan.fid, &entry);
1661 }
1662 
1663 static int mv88e6xxx_port_fdb_prepare(struct dsa_switch *ds, int port,
1664 				      const struct switchdev_obj_port_fdb *fdb,
1665 				      struct switchdev_trans *trans)
1666 {
1667 	/* We don't need any dynamic resource from the kernel (yet),
1668 	 * so skip the prepare phase.
1669 	 */
1670 	return 0;
1671 }
1672 
1673 static void mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
1674 				   const struct switchdev_obj_port_fdb *fdb,
1675 				   struct switchdev_trans *trans)
1676 {
1677 	struct mv88e6xxx_chip *chip = ds->priv;
1678 
1679 	mutex_lock(&chip->reg_lock);
1680 	if (mv88e6xxx_port_db_load_purge(chip, port, fdb->addr, fdb->vid,
1681 					 GLOBAL_ATU_DATA_STATE_UC_STATIC))
1682 		netdev_err(ds->ports[port].netdev, "failed to load unicast MAC address\n");
1683 	mutex_unlock(&chip->reg_lock);
1684 }
1685 
1686 static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
1687 				  const struct switchdev_obj_port_fdb *fdb)
1688 {
1689 	struct mv88e6xxx_chip *chip = ds->priv;
1690 	int err;
1691 
1692 	mutex_lock(&chip->reg_lock);
1693 	err = mv88e6xxx_port_db_load_purge(chip, port, fdb->addr, fdb->vid,
1694 					   GLOBAL_ATU_DATA_STATE_UNUSED);
1695 	mutex_unlock(&chip->reg_lock);
1696 
1697 	return err;
1698 }
1699 
1700 static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip,
1701 				      u16 fid, u16 vid, int port,
1702 				      struct switchdev_obj *obj,
1703 				      int (*cb)(struct switchdev_obj *obj))
1704 {
1705 	struct mv88e6xxx_atu_entry addr;
1706 	int err;
1707 
1708 	addr.state = GLOBAL_ATU_DATA_STATE_UNUSED;
1709 	eth_broadcast_addr(addr.mac);
1710 
1711 	do {
1712 		err = mv88e6xxx_g1_atu_getnext(chip, fid, &addr);
1713 		if (err)
1714 			return err;
1715 
1716 		if (addr.state == GLOBAL_ATU_DATA_STATE_UNUSED)
1717 			break;
1718 
1719 		if (addr.trunk || (addr.portvec & BIT(port)) == 0)
1720 			continue;
1721 
1722 		if (obj->id == SWITCHDEV_OBJ_ID_PORT_FDB) {
1723 			struct switchdev_obj_port_fdb *fdb;
1724 
1725 			if (!is_unicast_ether_addr(addr.mac))
1726 				continue;
1727 
1728 			fdb = SWITCHDEV_OBJ_PORT_FDB(obj);
1729 			fdb->vid = vid;
1730 			ether_addr_copy(fdb->addr, addr.mac);
1731 			if (addr.state == GLOBAL_ATU_DATA_STATE_UC_STATIC)
1732 				fdb->ndm_state = NUD_NOARP;
1733 			else
1734 				fdb->ndm_state = NUD_REACHABLE;
1735 		} else if (obj->id == SWITCHDEV_OBJ_ID_PORT_MDB) {
1736 			struct switchdev_obj_port_mdb *mdb;
1737 
1738 			if (!is_multicast_ether_addr(addr.mac))
1739 				continue;
1740 
1741 			mdb = SWITCHDEV_OBJ_PORT_MDB(obj);
1742 			mdb->vid = vid;
1743 			ether_addr_copy(mdb->addr, addr.mac);
1744 		} else {
1745 			return -EOPNOTSUPP;
1746 		}
1747 
1748 		err = cb(obj);
1749 		if (err)
1750 			return err;
1751 	} while (!is_broadcast_ether_addr(addr.mac));
1752 
1753 	return err;
1754 }
1755 
1756 static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
1757 				  struct switchdev_obj *obj,
1758 				  int (*cb)(struct switchdev_obj *obj))
1759 {
1760 	struct mv88e6xxx_vtu_entry vlan = {
1761 		.vid = chip->info->max_vid,
1762 	};
1763 	u16 fid;
1764 	int err;
1765 
1766 	/* Dump port's default Filtering Information Database (VLAN ID 0) */
1767 	err = mv88e6xxx_port_get_fid(chip, port, &fid);
1768 	if (err)
1769 		return err;
1770 
1771 	err = mv88e6xxx_port_db_dump_fid(chip, fid, 0, port, obj, cb);
1772 	if (err)
1773 		return err;
1774 
1775 	/* Dump VLANs' Filtering Information Databases */
1776 	do {
1777 		err = mv88e6xxx_vtu_getnext(chip, &vlan);
1778 		if (err)
1779 			return err;
1780 
1781 		if (!vlan.valid)
1782 			break;
1783 
1784 		err = mv88e6xxx_port_db_dump_fid(chip, vlan.fid, vlan.vid, port,
1785 						 obj, cb);
1786 		if (err)
1787 			return err;
1788 	} while (vlan.vid < chip->info->max_vid);
1789 
1790 	return err;
1791 }
1792 
1793 static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
1794 				   struct switchdev_obj_port_fdb *fdb,
1795 				   int (*cb)(struct switchdev_obj *obj))
1796 {
1797 	struct mv88e6xxx_chip *chip = ds->priv;
1798 	int err;
1799 
1800 	mutex_lock(&chip->reg_lock);
1801 	err = mv88e6xxx_port_db_dump(chip, port, &fdb->obj, cb);
1802 	mutex_unlock(&chip->reg_lock);
1803 
1804 	return err;
1805 }
1806 
1807 static int mv88e6xxx_bridge_map(struct mv88e6xxx_chip *chip,
1808 				struct net_device *br)
1809 {
1810 	struct dsa_switch *ds;
1811 	int port;
1812 	int dev;
1813 	int err;
1814 
1815 	/* Remap the Port VLAN of each local bridge group member */
1816 	for (port = 0; port < mv88e6xxx_num_ports(chip); ++port) {
1817 		if (chip->ds->ports[port].bridge_dev == br) {
1818 			err = mv88e6xxx_port_vlan_map(chip, port);
1819 			if (err)
1820 				return err;
1821 		}
1822 	}
1823 
1824 	if (!mv88e6xxx_has_pvt(chip))
1825 		return 0;
1826 
1827 	/* Remap the Port VLAN of each cross-chip bridge group member */
1828 	for (dev = 0; dev < DSA_MAX_SWITCHES; ++dev) {
1829 		ds = chip->ds->dst->ds[dev];
1830 		if (!ds)
1831 			break;
1832 
1833 		for (port = 0; port < ds->num_ports; ++port) {
1834 			if (ds->ports[port].bridge_dev == br) {
1835 				err = mv88e6xxx_pvt_map(chip, dev, port);
1836 				if (err)
1837 					return err;
1838 			}
1839 		}
1840 	}
1841 
1842 	return 0;
1843 }
1844 
1845 static int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
1846 				      struct net_device *br)
1847 {
1848 	struct mv88e6xxx_chip *chip = ds->priv;
1849 	int err;
1850 
1851 	mutex_lock(&chip->reg_lock);
1852 	err = mv88e6xxx_bridge_map(chip, br);
1853 	mutex_unlock(&chip->reg_lock);
1854 
1855 	return err;
1856 }
1857 
1858 static void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port,
1859 					struct net_device *br)
1860 {
1861 	struct mv88e6xxx_chip *chip = ds->priv;
1862 
1863 	mutex_lock(&chip->reg_lock);
1864 	if (mv88e6xxx_bridge_map(chip, br) ||
1865 	    mv88e6xxx_port_vlan_map(chip, port))
1866 		dev_err(ds->dev, "failed to remap in-chip Port VLAN\n");
1867 	mutex_unlock(&chip->reg_lock);
1868 }
1869 
1870 static int mv88e6xxx_crosschip_bridge_join(struct dsa_switch *ds, int dev,
1871 					   int port, struct net_device *br)
1872 {
1873 	struct mv88e6xxx_chip *chip = ds->priv;
1874 	int err;
1875 
1876 	if (!mv88e6xxx_has_pvt(chip))
1877 		return 0;
1878 
1879 	mutex_lock(&chip->reg_lock);
1880 	err = mv88e6xxx_pvt_map(chip, dev, port);
1881 	mutex_unlock(&chip->reg_lock);
1882 
1883 	return err;
1884 }
1885 
1886 static void mv88e6xxx_crosschip_bridge_leave(struct dsa_switch *ds, int dev,
1887 					     int port, struct net_device *br)
1888 {
1889 	struct mv88e6xxx_chip *chip = ds->priv;
1890 
1891 	if (!mv88e6xxx_has_pvt(chip))
1892 		return;
1893 
1894 	mutex_lock(&chip->reg_lock);
1895 	if (mv88e6xxx_pvt_map(chip, dev, port))
1896 		dev_err(ds->dev, "failed to remap cross-chip Port VLAN\n");
1897 	mutex_unlock(&chip->reg_lock);
1898 }
1899 
1900 static int mv88e6xxx_software_reset(struct mv88e6xxx_chip *chip)
1901 {
1902 	if (chip->info->ops->reset)
1903 		return chip->info->ops->reset(chip);
1904 
1905 	return 0;
1906 }
1907 
1908 static void mv88e6xxx_hardware_reset(struct mv88e6xxx_chip *chip)
1909 {
1910 	struct gpio_desc *gpiod = chip->reset;
1911 
1912 	/* If there is a GPIO connected to the reset pin, toggle it */
1913 	if (gpiod) {
1914 		gpiod_set_value_cansleep(gpiod, 1);
1915 		usleep_range(10000, 20000);
1916 		gpiod_set_value_cansleep(gpiod, 0);
1917 		usleep_range(10000, 20000);
1918 	}
1919 }
1920 
1921 static int mv88e6xxx_disable_ports(struct mv88e6xxx_chip *chip)
1922 {
1923 	int i, err;
1924 
1925 	/* Set all ports to the Disabled state */
1926 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
1927 		err = mv88e6xxx_port_set_state(chip, i,
1928 					       PORT_CONTROL_STATE_DISABLED);
1929 		if (err)
1930 			return err;
1931 	}
1932 
1933 	/* Wait for transmit queues to drain,
1934 	 * i.e. 2ms for a maximum frame to be transmitted at 10 Mbps.
1935 	 */
1936 	usleep_range(2000, 4000);
1937 
1938 	return 0;
1939 }
1940 
1941 static int mv88e6xxx_switch_reset(struct mv88e6xxx_chip *chip)
1942 {
1943 	int err;
1944 
1945 	err = mv88e6xxx_disable_ports(chip);
1946 	if (err)
1947 		return err;
1948 
1949 	mv88e6xxx_hardware_reset(chip);
1950 
1951 	return mv88e6xxx_software_reset(chip);
1952 }
1953 
1954 static int mv88e6xxx_serdes_power_on(struct mv88e6xxx_chip *chip)
1955 {
1956 	u16 val;
1957 	int err;
1958 
1959 	/* Clear Power Down bit */
1960 	err = mv88e6xxx_serdes_read(chip, MII_BMCR, &val);
1961 	if (err)
1962 		return err;
1963 
1964 	if (val & BMCR_PDOWN) {
1965 		val &= ~BMCR_PDOWN;
1966 		err = mv88e6xxx_serdes_write(chip, MII_BMCR, val);
1967 	}
1968 
1969 	return err;
1970 }
1971 
1972 static int mv88e6xxx_set_port_mode(struct mv88e6xxx_chip *chip, int port,
1973 				   enum mv88e6xxx_frame_mode frame, u16 egress,
1974 				   u16 etype)
1975 {
1976 	int err;
1977 
1978 	if (!chip->info->ops->port_set_frame_mode)
1979 		return -EOPNOTSUPP;
1980 
1981 	err = mv88e6xxx_port_set_egress_mode(chip, port, egress);
1982 	if (err)
1983 		return err;
1984 
1985 	err = chip->info->ops->port_set_frame_mode(chip, port, frame);
1986 	if (err)
1987 		return err;
1988 
1989 	if (chip->info->ops->port_set_ether_type)
1990 		return chip->info->ops->port_set_ether_type(chip, port, etype);
1991 
1992 	return 0;
1993 }
1994 
1995 static int mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip *chip, int port)
1996 {
1997 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_NORMAL,
1998 				       PORT_CONTROL_EGRESS_UNMODIFIED,
1999 				       PORT_ETH_TYPE_DEFAULT);
2000 }
2001 
2002 static int mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip *chip, int port)
2003 {
2004 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_DSA,
2005 				       PORT_CONTROL_EGRESS_UNMODIFIED,
2006 				       PORT_ETH_TYPE_DEFAULT);
2007 }
2008 
2009 static int mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip *chip, int port)
2010 {
2011 	return mv88e6xxx_set_port_mode(chip, port,
2012 				       MV88E6XXX_FRAME_MODE_ETHERTYPE,
2013 				       PORT_CONTROL_EGRESS_ADD_TAG, ETH_P_EDSA);
2014 }
2015 
2016 static int mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip *chip, int port)
2017 {
2018 	if (dsa_is_dsa_port(chip->ds, port))
2019 		return mv88e6xxx_set_port_mode_dsa(chip, port);
2020 
2021 	if (dsa_is_normal_port(chip->ds, port))
2022 		return mv88e6xxx_set_port_mode_normal(chip, port);
2023 
2024 	/* Setup CPU port mode depending on its supported tag format */
2025 	if (chip->info->tag_protocol == DSA_TAG_PROTO_DSA)
2026 		return mv88e6xxx_set_port_mode_dsa(chip, port);
2027 
2028 	if (chip->info->tag_protocol == DSA_TAG_PROTO_EDSA)
2029 		return mv88e6xxx_set_port_mode_edsa(chip, port);
2030 
2031 	return -EINVAL;
2032 }
2033 
2034 static int mv88e6xxx_setup_message_port(struct mv88e6xxx_chip *chip, int port)
2035 {
2036 	bool message = dsa_is_dsa_port(chip->ds, port);
2037 
2038 	return mv88e6xxx_port_set_message_port(chip, port, message);
2039 }
2040 
2041 static int mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip *chip, int port)
2042 {
2043 	bool flood = port == dsa_upstream_port(chip->ds);
2044 
2045 	/* Upstream ports flood frames with unknown unicast or multicast DA */
2046 	if (chip->info->ops->port_set_egress_floods)
2047 		return chip->info->ops->port_set_egress_floods(chip, port,
2048 							       flood, flood);
2049 
2050 	return 0;
2051 }
2052 
2053 static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
2054 {
2055 	struct dsa_switch *ds = chip->ds;
2056 	int err;
2057 	u16 reg;
2058 
2059 	/* MAC Forcing register: don't force link, speed, duplex or flow control
2060 	 * state to any particular values on physical ports, but force the CPU
2061 	 * port and all DSA ports to their maximum bandwidth and full duplex.
2062 	 */
2063 	if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))
2064 		err = mv88e6xxx_port_setup_mac(chip, port, LINK_FORCED_UP,
2065 					       SPEED_MAX, DUPLEX_FULL,
2066 					       PHY_INTERFACE_MODE_NA);
2067 	else
2068 		err = mv88e6xxx_port_setup_mac(chip, port, LINK_UNFORCED,
2069 					       SPEED_UNFORCED, DUPLEX_UNFORCED,
2070 					       PHY_INTERFACE_MODE_NA);
2071 	if (err)
2072 		return err;
2073 
2074 	/* Port Control: disable Drop-on-Unlock, disable Drop-on-Lock,
2075 	 * disable Header mode, enable IGMP/MLD snooping, disable VLAN
2076 	 * tunneling, determine priority by looking at 802.1p and IP
2077 	 * priority fields (IP prio has precedence), and set STP state
2078 	 * to Forwarding.
2079 	 *
2080 	 * If this is the CPU link, use DSA or EDSA tagging depending
2081 	 * on which tagging mode was configured.
2082 	 *
2083 	 * If this is a link to another switch, use DSA tagging mode.
2084 	 *
2085 	 * If this is the upstream port for this switch, enable
2086 	 * forwarding of unknown unicasts and multicasts.
2087 	 */
2088 	reg = PORT_CONTROL_IGMP_MLD_SNOOP |
2089 		PORT_CONTROL_USE_TAG | PORT_CONTROL_USE_IP |
2090 		PORT_CONTROL_STATE_FORWARDING;
2091 	err = mv88e6xxx_port_write(chip, port, PORT_CONTROL, reg);
2092 	if (err)
2093 		return err;
2094 
2095 	err = mv88e6xxx_setup_port_mode(chip, port);
2096 	if (err)
2097 		return err;
2098 
2099 	err = mv88e6xxx_setup_egress_floods(chip, port);
2100 	if (err)
2101 		return err;
2102 
2103 	/* If this port is connected to a SerDes, make sure the SerDes is not
2104 	 * powered down.
2105 	 */
2106 	if (mv88e6xxx_has(chip, MV88E6XXX_FLAGS_SERDES)) {
2107 		err = mv88e6xxx_port_read(chip, port, PORT_STATUS, &reg);
2108 		if (err)
2109 			return err;
2110 		reg &= PORT_STATUS_CMODE_MASK;
2111 		if ((reg == PORT_STATUS_CMODE_100BASE_X) ||
2112 		    (reg == PORT_STATUS_CMODE_1000BASE_X) ||
2113 		    (reg == PORT_STATUS_CMODE_SGMII)) {
2114 			err = mv88e6xxx_serdes_power_on(chip);
2115 			if (err < 0)
2116 				return err;
2117 		}
2118 	}
2119 
2120 	/* Port Control 2: don't force a good FCS, set the maximum frame size to
2121 	 * 10240 bytes, disable 802.1q tags checking, don't discard tagged or
2122 	 * untagged frames on this port, do a destination address lookup on all
2123 	 * received packets as usual, disable ARP mirroring and don't send a
2124 	 * copy of all transmitted/received frames on this port to the CPU.
2125 	 */
2126 	err = mv88e6xxx_port_set_map_da(chip, port);
2127 	if (err)
2128 		return err;
2129 
2130 	reg = 0;
2131 	if (chip->info->ops->port_set_upstream_port) {
2132 		err = chip->info->ops->port_set_upstream_port(
2133 			chip, port, dsa_upstream_port(ds));
2134 		if (err)
2135 			return err;
2136 	}
2137 
2138 	err = mv88e6xxx_port_set_8021q_mode(chip, port,
2139 					    PORT_CONTROL_2_8021Q_DISABLED);
2140 	if (err)
2141 		return err;
2142 
2143 	if (chip->info->ops->port_jumbo_config) {
2144 		err = chip->info->ops->port_jumbo_config(chip, port);
2145 		if (err)
2146 			return err;
2147 	}
2148 
2149 	/* Port Association Vector: when learning source addresses
2150 	 * of packets, add the address to the address database using
2151 	 * a port bitmap that has only the bit for this port set and
2152 	 * the other bits clear.
2153 	 */
2154 	reg = 1 << port;
2155 	/* Disable learning for CPU port */
2156 	if (dsa_is_cpu_port(ds, port))
2157 		reg = 0;
2158 
2159 	err = mv88e6xxx_port_write(chip, port, PORT_ASSOC_VECTOR, reg);
2160 	if (err)
2161 		return err;
2162 
2163 	/* Egress rate control 2: disable egress rate control. */
2164 	err = mv88e6xxx_port_write(chip, port, PORT_RATE_CONTROL_2, 0x0000);
2165 	if (err)
2166 		return err;
2167 
2168 	if (chip->info->ops->port_pause_config) {
2169 		err = chip->info->ops->port_pause_config(chip, port);
2170 		if (err)
2171 			return err;
2172 	}
2173 
2174 	if (chip->info->ops->port_disable_learn_limit) {
2175 		err = chip->info->ops->port_disable_learn_limit(chip, port);
2176 		if (err)
2177 			return err;
2178 	}
2179 
2180 	if (chip->info->ops->port_disable_pri_override) {
2181 		err = chip->info->ops->port_disable_pri_override(chip, port);
2182 		if (err)
2183 			return err;
2184 	}
2185 
2186 	if (chip->info->ops->port_tag_remap) {
2187 		err = chip->info->ops->port_tag_remap(chip, port);
2188 		if (err)
2189 			return err;
2190 	}
2191 
2192 	if (chip->info->ops->port_egress_rate_limiting) {
2193 		err = chip->info->ops->port_egress_rate_limiting(chip, port);
2194 		if (err)
2195 			return err;
2196 	}
2197 
2198 	err = mv88e6xxx_setup_message_port(chip, port);
2199 	if (err)
2200 		return err;
2201 
2202 	/* Port based VLAN map: give each port the same default address
2203 	 * database, and allow bidirectional communication between the
2204 	 * CPU and DSA port(s), and the other ports.
2205 	 */
2206 	err = mv88e6xxx_port_set_fid(chip, port, 0);
2207 	if (err)
2208 		return err;
2209 
2210 	err = mv88e6xxx_port_vlan_map(chip, port);
2211 	if (err)
2212 		return err;
2213 
2214 	/* Default VLAN ID and priority: don't set a default VLAN
2215 	 * ID, and set the default packet priority to zero.
2216 	 */
2217 	return mv88e6xxx_port_write(chip, port, PORT_DEFAULT_VLAN, 0x0000);
2218 }
2219 
2220 static int mv88e6xxx_g1_set_switch_mac(struct mv88e6xxx_chip *chip, u8 *addr)
2221 {
2222 	int err;
2223 
2224 	err = mv88e6xxx_g1_write(chip, GLOBAL_MAC_01, (addr[0] << 8) | addr[1]);
2225 	if (err)
2226 		return err;
2227 
2228 	err = mv88e6xxx_g1_write(chip, GLOBAL_MAC_23, (addr[2] << 8) | addr[3]);
2229 	if (err)
2230 		return err;
2231 
2232 	err = mv88e6xxx_g1_write(chip, GLOBAL_MAC_45, (addr[4] << 8) | addr[5]);
2233 	if (err)
2234 		return err;
2235 
2236 	return 0;
2237 }
2238 
2239 static int mv88e6xxx_set_ageing_time(struct dsa_switch *ds,
2240 				     unsigned int ageing_time)
2241 {
2242 	struct mv88e6xxx_chip *chip = ds->priv;
2243 	int err;
2244 
2245 	mutex_lock(&chip->reg_lock);
2246 	err = mv88e6xxx_g1_atu_set_age_time(chip, ageing_time);
2247 	mutex_unlock(&chip->reg_lock);
2248 
2249 	return err;
2250 }
2251 
2252 static int mv88e6xxx_g1_setup(struct mv88e6xxx_chip *chip)
2253 {
2254 	struct dsa_switch *ds = chip->ds;
2255 	u32 upstream_port = dsa_upstream_port(ds);
2256 	int err;
2257 
2258 	/* Enable the PHY Polling Unit if present, don't discard any packets,
2259 	 * and mask all interrupt sources.
2260 	 */
2261 	err = mv88e6xxx_ppu_enable(chip);
2262 	if (err)
2263 		return err;
2264 
2265 	if (chip->info->ops->g1_set_cpu_port) {
2266 		err = chip->info->ops->g1_set_cpu_port(chip, upstream_port);
2267 		if (err)
2268 			return err;
2269 	}
2270 
2271 	if (chip->info->ops->g1_set_egress_port) {
2272 		err = chip->info->ops->g1_set_egress_port(chip, upstream_port);
2273 		if (err)
2274 			return err;
2275 	}
2276 
2277 	/* Disable remote management, and set the switch's DSA device number. */
2278 	err = mv88e6xxx_g1_write(chip, GLOBAL_CONTROL_2,
2279 				 GLOBAL_CONTROL_2_MULTIPLE_CASCADE |
2280 				 (ds->index & 0x1f));
2281 	if (err)
2282 		return err;
2283 
2284 	/* Configure the IP ToS mapping registers. */
2285 	err = mv88e6xxx_g1_write(chip, GLOBAL_IP_PRI_0, 0x0000);
2286 	if (err)
2287 		return err;
2288 	err = mv88e6xxx_g1_write(chip, GLOBAL_IP_PRI_1, 0x0000);
2289 	if (err)
2290 		return err;
2291 	err = mv88e6xxx_g1_write(chip, GLOBAL_IP_PRI_2, 0x5555);
2292 	if (err)
2293 		return err;
2294 	err = mv88e6xxx_g1_write(chip, GLOBAL_IP_PRI_3, 0x5555);
2295 	if (err)
2296 		return err;
2297 	err = mv88e6xxx_g1_write(chip, GLOBAL_IP_PRI_4, 0xaaaa);
2298 	if (err)
2299 		return err;
2300 	err = mv88e6xxx_g1_write(chip, GLOBAL_IP_PRI_5, 0xaaaa);
2301 	if (err)
2302 		return err;
2303 	err = mv88e6xxx_g1_write(chip, GLOBAL_IP_PRI_6, 0xffff);
2304 	if (err)
2305 		return err;
2306 	err = mv88e6xxx_g1_write(chip, GLOBAL_IP_PRI_7, 0xffff);
2307 	if (err)
2308 		return err;
2309 
2310 	/* Configure the IEEE 802.1p priority mapping register. */
2311 	err = mv88e6xxx_g1_write(chip, GLOBAL_IEEE_PRI, 0xfa41);
2312 	if (err)
2313 		return err;
2314 
2315 	/* Initialize the statistics unit */
2316 	err = mv88e6xxx_stats_set_histogram(chip);
2317 	if (err)
2318 		return err;
2319 
2320 	/* Clear the statistics counters for all ports */
2321 	err = mv88e6xxx_g1_write(chip, GLOBAL_STATS_OP,
2322 				 GLOBAL_STATS_OP_FLUSH_ALL);
2323 	if (err)
2324 		return err;
2325 
2326 	/* Wait for the flush to complete. */
2327 	err = mv88e6xxx_g1_stats_wait(chip);
2328 	if (err)
2329 		return err;
2330 
2331 	return 0;
2332 }
2333 
2334 static int mv88e6xxx_setup(struct dsa_switch *ds)
2335 {
2336 	struct mv88e6xxx_chip *chip = ds->priv;
2337 	int err;
2338 	int i;
2339 
2340 	chip->ds = ds;
2341 	ds->slave_mii_bus = mv88e6xxx_default_mdio_bus(chip);
2342 
2343 	mutex_lock(&chip->reg_lock);
2344 
2345 	/* Setup Switch Port Registers */
2346 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
2347 		err = mv88e6xxx_setup_port(chip, i);
2348 		if (err)
2349 			goto unlock;
2350 	}
2351 
2352 	/* Setup Switch Global 1 Registers */
2353 	err = mv88e6xxx_g1_setup(chip);
2354 	if (err)
2355 		goto unlock;
2356 
2357 	/* Setup Switch Global 2 Registers */
2358 	if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_GLOBAL2)) {
2359 		err = mv88e6xxx_g2_setup(chip);
2360 		if (err)
2361 			goto unlock;
2362 	}
2363 
2364 	err = mv88e6xxx_vtu_setup(chip);
2365 	if (err)
2366 		goto unlock;
2367 
2368 	err = mv88e6xxx_pvt_setup(chip);
2369 	if (err)
2370 		goto unlock;
2371 
2372 	err = mv88e6xxx_atu_setup(chip);
2373 	if (err)
2374 		goto unlock;
2375 
2376 	/* Some generations have the configuration of sending reserved
2377 	 * management frames to the CPU in global2, others in
2378 	 * global1. Hence it does not fit the two setup functions
2379 	 * above.
2380 	 */
2381 	if (chip->info->ops->mgmt_rsvd2cpu) {
2382 		err = chip->info->ops->mgmt_rsvd2cpu(chip);
2383 		if (err)
2384 			goto unlock;
2385 	}
2386 
2387 unlock:
2388 	mutex_unlock(&chip->reg_lock);
2389 
2390 	return err;
2391 }
2392 
2393 static int mv88e6xxx_set_addr(struct dsa_switch *ds, u8 *addr)
2394 {
2395 	struct mv88e6xxx_chip *chip = ds->priv;
2396 	int err;
2397 
2398 	if (!chip->info->ops->set_switch_mac)
2399 		return -EOPNOTSUPP;
2400 
2401 	mutex_lock(&chip->reg_lock);
2402 	err = chip->info->ops->set_switch_mac(chip, addr);
2403 	mutex_unlock(&chip->reg_lock);
2404 
2405 	return err;
2406 }
2407 
2408 static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
2409 {
2410 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
2411 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
2412 	u16 val;
2413 	int err;
2414 
2415 	if (!chip->info->ops->phy_read)
2416 		return -EOPNOTSUPP;
2417 
2418 	mutex_lock(&chip->reg_lock);
2419 	err = chip->info->ops->phy_read(chip, bus, phy, reg, &val);
2420 	mutex_unlock(&chip->reg_lock);
2421 
2422 	if (reg == MII_PHYSID2) {
2423 		/* Some internal PHYS don't have a model number.  Use
2424 		 * the mv88e6390 family model number instead.
2425 		 */
2426 		if (!(val & 0x3f0))
2427 			val |= PORT_SWITCH_ID_PROD_NUM_6390;
2428 	}
2429 
2430 	return err ? err : val;
2431 }
2432 
2433 static int mv88e6xxx_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val)
2434 {
2435 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
2436 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
2437 	int err;
2438 
2439 	if (!chip->info->ops->phy_write)
2440 		return -EOPNOTSUPP;
2441 
2442 	mutex_lock(&chip->reg_lock);
2443 	err = chip->info->ops->phy_write(chip, bus, phy, reg, val);
2444 	mutex_unlock(&chip->reg_lock);
2445 
2446 	return err;
2447 }
2448 
2449 static int mv88e6xxx_mdio_register(struct mv88e6xxx_chip *chip,
2450 				   struct device_node *np,
2451 				   bool external)
2452 {
2453 	static int index;
2454 	struct mv88e6xxx_mdio_bus *mdio_bus;
2455 	struct mii_bus *bus;
2456 	int err;
2457 
2458 	bus = devm_mdiobus_alloc_size(chip->dev, sizeof(*mdio_bus));
2459 	if (!bus)
2460 		return -ENOMEM;
2461 
2462 	mdio_bus = bus->priv;
2463 	mdio_bus->bus = bus;
2464 	mdio_bus->chip = chip;
2465 	INIT_LIST_HEAD(&mdio_bus->list);
2466 	mdio_bus->external = external;
2467 
2468 	if (np) {
2469 		bus->name = np->full_name;
2470 		snprintf(bus->id, MII_BUS_ID_SIZE, "%s", np->full_name);
2471 	} else {
2472 		bus->name = "mv88e6xxx SMI";
2473 		snprintf(bus->id, MII_BUS_ID_SIZE, "mv88e6xxx-%d", index++);
2474 	}
2475 
2476 	bus->read = mv88e6xxx_mdio_read;
2477 	bus->write = mv88e6xxx_mdio_write;
2478 	bus->parent = chip->dev;
2479 
2480 	if (np)
2481 		err = of_mdiobus_register(bus, np);
2482 	else
2483 		err = mdiobus_register(bus);
2484 	if (err) {
2485 		dev_err(chip->dev, "Cannot register MDIO bus (%d)\n", err);
2486 		return err;
2487 	}
2488 
2489 	if (external)
2490 		list_add_tail(&mdio_bus->list, &chip->mdios);
2491 	else
2492 		list_add(&mdio_bus->list, &chip->mdios);
2493 
2494 	return 0;
2495 }
2496 
2497 static const struct of_device_id mv88e6xxx_mdio_external_match[] = {
2498 	{ .compatible = "marvell,mv88e6xxx-mdio-external",
2499 	  .data = (void *)true },
2500 	{ },
2501 };
2502 
2503 static int mv88e6xxx_mdios_register(struct mv88e6xxx_chip *chip,
2504 				    struct device_node *np)
2505 {
2506 	const struct of_device_id *match;
2507 	struct device_node *child;
2508 	int err;
2509 
2510 	/* Always register one mdio bus for the internal/default mdio
2511 	 * bus. This maybe represented in the device tree, but is
2512 	 * optional.
2513 	 */
2514 	child = of_get_child_by_name(np, "mdio");
2515 	err = mv88e6xxx_mdio_register(chip, child, false);
2516 	if (err)
2517 		return err;
2518 
2519 	/* Walk the device tree, and see if there are any other nodes
2520 	 * which say they are compatible with the external mdio
2521 	 * bus.
2522 	 */
2523 	for_each_available_child_of_node(np, child) {
2524 		match = of_match_node(mv88e6xxx_mdio_external_match, child);
2525 		if (match) {
2526 			err = mv88e6xxx_mdio_register(chip, child, true);
2527 			if (err)
2528 				return err;
2529 		}
2530 	}
2531 
2532 	return 0;
2533 }
2534 
2535 static void mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip *chip)
2536 
2537 {
2538 	struct mv88e6xxx_mdio_bus *mdio_bus;
2539 	struct mii_bus *bus;
2540 
2541 	list_for_each_entry(mdio_bus, &chip->mdios, list) {
2542 		bus = mdio_bus->bus;
2543 
2544 		mdiobus_unregister(bus);
2545 	}
2546 }
2547 
2548 static int mv88e6xxx_get_eeprom_len(struct dsa_switch *ds)
2549 {
2550 	struct mv88e6xxx_chip *chip = ds->priv;
2551 
2552 	return chip->eeprom_len;
2553 }
2554 
2555 static int mv88e6xxx_get_eeprom(struct dsa_switch *ds,
2556 				struct ethtool_eeprom *eeprom, u8 *data)
2557 {
2558 	struct mv88e6xxx_chip *chip = ds->priv;
2559 	int err;
2560 
2561 	if (!chip->info->ops->get_eeprom)
2562 		return -EOPNOTSUPP;
2563 
2564 	mutex_lock(&chip->reg_lock);
2565 	err = chip->info->ops->get_eeprom(chip, eeprom, data);
2566 	mutex_unlock(&chip->reg_lock);
2567 
2568 	if (err)
2569 		return err;
2570 
2571 	eeprom->magic = 0xc3ec4951;
2572 
2573 	return 0;
2574 }
2575 
2576 static int mv88e6xxx_set_eeprom(struct dsa_switch *ds,
2577 				struct ethtool_eeprom *eeprom, u8 *data)
2578 {
2579 	struct mv88e6xxx_chip *chip = ds->priv;
2580 	int err;
2581 
2582 	if (!chip->info->ops->set_eeprom)
2583 		return -EOPNOTSUPP;
2584 
2585 	if (eeprom->magic != 0xc3ec4951)
2586 		return -EINVAL;
2587 
2588 	mutex_lock(&chip->reg_lock);
2589 	err = chip->info->ops->set_eeprom(chip, eeprom, data);
2590 	mutex_unlock(&chip->reg_lock);
2591 
2592 	return err;
2593 }
2594 
2595 static const struct mv88e6xxx_ops mv88e6085_ops = {
2596 	/* MV88E6XXX_FAMILY_6097 */
2597 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
2598 	.phy_read = mv88e6xxx_phy_ppu_read,
2599 	.phy_write = mv88e6xxx_phy_ppu_write,
2600 	.port_set_link = mv88e6xxx_port_set_link,
2601 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2602 	.port_set_speed = mv88e6185_port_set_speed,
2603 	.port_tag_remap = mv88e6095_port_tag_remap,
2604 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2605 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2606 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2607 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2608 	.port_pause_config = mv88e6097_port_pause_config,
2609 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2610 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2611 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2612 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2613 	.stats_get_strings = mv88e6095_stats_get_strings,
2614 	.stats_get_stats = mv88e6095_stats_get_stats,
2615 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
2616 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
2617 	.watchdog_ops = &mv88e6097_watchdog_ops,
2618 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
2619 	.ppu_enable = mv88e6185_g1_ppu_enable,
2620 	.ppu_disable = mv88e6185_g1_ppu_disable,
2621 	.reset = mv88e6185_g1_reset,
2622 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2623 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2624 };
2625 
2626 static const struct mv88e6xxx_ops mv88e6095_ops = {
2627 	/* MV88E6XXX_FAMILY_6095 */
2628 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
2629 	.phy_read = mv88e6xxx_phy_ppu_read,
2630 	.phy_write = mv88e6xxx_phy_ppu_write,
2631 	.port_set_link = mv88e6xxx_port_set_link,
2632 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2633 	.port_set_speed = mv88e6185_port_set_speed,
2634 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
2635 	.port_set_egress_floods = mv88e6185_port_set_egress_floods,
2636 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
2637 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2638 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2639 	.stats_get_strings = mv88e6095_stats_get_strings,
2640 	.stats_get_stats = mv88e6095_stats_get_stats,
2641 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
2642 	.ppu_enable = mv88e6185_g1_ppu_enable,
2643 	.ppu_disable = mv88e6185_g1_ppu_disable,
2644 	.reset = mv88e6185_g1_reset,
2645 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
2646 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
2647 };
2648 
2649 static const struct mv88e6xxx_ops mv88e6097_ops = {
2650 	/* MV88E6XXX_FAMILY_6097 */
2651 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2652 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2653 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2654 	.port_set_link = mv88e6xxx_port_set_link,
2655 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2656 	.port_set_speed = mv88e6185_port_set_speed,
2657 	.port_tag_remap = mv88e6095_port_tag_remap,
2658 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2659 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2660 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2661 	.port_jumbo_config = mv88e6165_port_jumbo_config,
2662 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
2663 	.port_pause_config = mv88e6097_port_pause_config,
2664 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2665 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2666 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2667 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2668 	.stats_get_strings = mv88e6095_stats_get_strings,
2669 	.stats_get_stats = mv88e6095_stats_get_stats,
2670 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
2671 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
2672 	.watchdog_ops = &mv88e6097_watchdog_ops,
2673 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
2674 	.reset = mv88e6352_g1_reset,
2675 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2676 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2677 };
2678 
2679 static const struct mv88e6xxx_ops mv88e6123_ops = {
2680 	/* MV88E6XXX_FAMILY_6165 */
2681 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2682 	.phy_read = mv88e6165_phy_read,
2683 	.phy_write = mv88e6165_phy_write,
2684 	.port_set_link = mv88e6xxx_port_set_link,
2685 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2686 	.port_set_speed = mv88e6185_port_set_speed,
2687 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
2688 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2689 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2690 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2691 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2692 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2693 	.stats_get_strings = mv88e6095_stats_get_strings,
2694 	.stats_get_stats = mv88e6095_stats_get_stats,
2695 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
2696 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
2697 	.watchdog_ops = &mv88e6097_watchdog_ops,
2698 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
2699 	.reset = mv88e6352_g1_reset,
2700 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2701 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2702 };
2703 
2704 static const struct mv88e6xxx_ops mv88e6131_ops = {
2705 	/* MV88E6XXX_FAMILY_6185 */
2706 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
2707 	.phy_read = mv88e6xxx_phy_ppu_read,
2708 	.phy_write = mv88e6xxx_phy_ppu_write,
2709 	.port_set_link = mv88e6xxx_port_set_link,
2710 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2711 	.port_set_speed = mv88e6185_port_set_speed,
2712 	.port_tag_remap = mv88e6095_port_tag_remap,
2713 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2714 	.port_set_egress_floods = mv88e6185_port_set_egress_floods,
2715 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2716 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
2717 	.port_jumbo_config = mv88e6165_port_jumbo_config,
2718 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2719 	.port_pause_config = mv88e6097_port_pause_config,
2720 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2721 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2722 	.stats_get_strings = mv88e6095_stats_get_strings,
2723 	.stats_get_stats = mv88e6095_stats_get_stats,
2724 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
2725 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
2726 	.watchdog_ops = &mv88e6097_watchdog_ops,
2727 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
2728 	.ppu_enable = mv88e6185_g1_ppu_enable,
2729 	.ppu_disable = mv88e6185_g1_ppu_disable,
2730 	.reset = mv88e6185_g1_reset,
2731 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
2732 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
2733 };
2734 
2735 static const struct mv88e6xxx_ops mv88e6141_ops = {
2736 	/* MV88E6XXX_FAMILY_6341 */
2737 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
2738 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
2739 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2740 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2741 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2742 	.port_set_link = mv88e6xxx_port_set_link,
2743 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2744 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
2745 	.port_set_speed = mv88e6390_port_set_speed,
2746 	.port_tag_remap = mv88e6095_port_tag_remap,
2747 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2748 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2749 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2750 	.port_jumbo_config = mv88e6165_port_jumbo_config,
2751 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2752 	.port_pause_config = mv88e6097_port_pause_config,
2753 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2754 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2755 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
2756 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
2757 	.stats_get_strings = mv88e6320_stats_get_strings,
2758 	.stats_get_stats = mv88e6390_stats_get_stats,
2759 	.g1_set_cpu_port = mv88e6390_g1_set_cpu_port,
2760 	.g1_set_egress_port = mv88e6390_g1_set_egress_port,
2761 	.watchdog_ops = &mv88e6390_watchdog_ops,
2762 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
2763 	.reset = mv88e6352_g1_reset,
2764 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2765 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2766 };
2767 
2768 static const struct mv88e6xxx_ops mv88e6161_ops = {
2769 	/* MV88E6XXX_FAMILY_6165 */
2770 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2771 	.phy_read = mv88e6165_phy_read,
2772 	.phy_write = mv88e6165_phy_write,
2773 	.port_set_link = mv88e6xxx_port_set_link,
2774 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2775 	.port_set_speed = mv88e6185_port_set_speed,
2776 	.port_tag_remap = mv88e6095_port_tag_remap,
2777 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2778 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2779 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2780 	.port_jumbo_config = mv88e6165_port_jumbo_config,
2781 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2782 	.port_pause_config = mv88e6097_port_pause_config,
2783 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2784 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2785 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2786 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2787 	.stats_get_strings = mv88e6095_stats_get_strings,
2788 	.stats_get_stats = mv88e6095_stats_get_stats,
2789 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
2790 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
2791 	.watchdog_ops = &mv88e6097_watchdog_ops,
2792 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
2793 	.reset = mv88e6352_g1_reset,
2794 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2795 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2796 };
2797 
2798 static const struct mv88e6xxx_ops mv88e6165_ops = {
2799 	/* MV88E6XXX_FAMILY_6165 */
2800 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2801 	.phy_read = mv88e6165_phy_read,
2802 	.phy_write = mv88e6165_phy_write,
2803 	.port_set_link = mv88e6xxx_port_set_link,
2804 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2805 	.port_set_speed = mv88e6185_port_set_speed,
2806 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2807 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2808 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2809 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2810 	.stats_get_strings = mv88e6095_stats_get_strings,
2811 	.stats_get_stats = mv88e6095_stats_get_stats,
2812 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
2813 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
2814 	.watchdog_ops = &mv88e6097_watchdog_ops,
2815 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
2816 	.reset = mv88e6352_g1_reset,
2817 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2818 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2819 };
2820 
2821 static const struct mv88e6xxx_ops mv88e6171_ops = {
2822 	/* MV88E6XXX_FAMILY_6351 */
2823 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2824 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2825 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2826 	.port_set_link = mv88e6xxx_port_set_link,
2827 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2828 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
2829 	.port_set_speed = mv88e6185_port_set_speed,
2830 	.port_tag_remap = mv88e6095_port_tag_remap,
2831 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2832 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2833 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2834 	.port_jumbo_config = mv88e6165_port_jumbo_config,
2835 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2836 	.port_pause_config = mv88e6097_port_pause_config,
2837 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2838 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2839 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2840 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2841 	.stats_get_strings = mv88e6095_stats_get_strings,
2842 	.stats_get_stats = mv88e6095_stats_get_stats,
2843 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
2844 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
2845 	.watchdog_ops = &mv88e6097_watchdog_ops,
2846 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
2847 	.reset = mv88e6352_g1_reset,
2848 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2849 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2850 };
2851 
2852 static const struct mv88e6xxx_ops mv88e6172_ops = {
2853 	/* MV88E6XXX_FAMILY_6352 */
2854 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
2855 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
2856 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2857 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2858 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2859 	.port_set_link = mv88e6xxx_port_set_link,
2860 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2861 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
2862 	.port_set_speed = mv88e6352_port_set_speed,
2863 	.port_tag_remap = mv88e6095_port_tag_remap,
2864 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2865 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2866 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2867 	.port_jumbo_config = mv88e6165_port_jumbo_config,
2868 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2869 	.port_pause_config = mv88e6097_port_pause_config,
2870 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2871 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2872 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2873 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2874 	.stats_get_strings = mv88e6095_stats_get_strings,
2875 	.stats_get_stats = mv88e6095_stats_get_stats,
2876 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
2877 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
2878 	.watchdog_ops = &mv88e6097_watchdog_ops,
2879 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
2880 	.reset = mv88e6352_g1_reset,
2881 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2882 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2883 };
2884 
2885 static const struct mv88e6xxx_ops mv88e6175_ops = {
2886 	/* MV88E6XXX_FAMILY_6351 */
2887 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2888 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2889 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2890 	.port_set_link = mv88e6xxx_port_set_link,
2891 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2892 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
2893 	.port_set_speed = mv88e6185_port_set_speed,
2894 	.port_tag_remap = mv88e6095_port_tag_remap,
2895 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2896 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2897 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2898 	.port_jumbo_config = mv88e6165_port_jumbo_config,
2899 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2900 	.port_pause_config = mv88e6097_port_pause_config,
2901 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2902 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2903 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2904 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2905 	.stats_get_strings = mv88e6095_stats_get_strings,
2906 	.stats_get_stats = mv88e6095_stats_get_stats,
2907 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
2908 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
2909 	.watchdog_ops = &mv88e6097_watchdog_ops,
2910 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
2911 	.reset = mv88e6352_g1_reset,
2912 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2913 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2914 };
2915 
2916 static const struct mv88e6xxx_ops mv88e6176_ops = {
2917 	/* MV88E6XXX_FAMILY_6352 */
2918 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
2919 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
2920 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2921 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2922 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2923 	.port_set_link = mv88e6xxx_port_set_link,
2924 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2925 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
2926 	.port_set_speed = mv88e6352_port_set_speed,
2927 	.port_tag_remap = mv88e6095_port_tag_remap,
2928 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2929 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2930 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2931 	.port_jumbo_config = mv88e6165_port_jumbo_config,
2932 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2933 	.port_pause_config = mv88e6097_port_pause_config,
2934 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2935 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2936 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2937 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2938 	.stats_get_strings = mv88e6095_stats_get_strings,
2939 	.stats_get_stats = mv88e6095_stats_get_stats,
2940 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
2941 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
2942 	.watchdog_ops = &mv88e6097_watchdog_ops,
2943 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
2944 	.reset = mv88e6352_g1_reset,
2945 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2946 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2947 };
2948 
2949 static const struct mv88e6xxx_ops mv88e6185_ops = {
2950 	/* MV88E6XXX_FAMILY_6185 */
2951 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
2952 	.phy_read = mv88e6xxx_phy_ppu_read,
2953 	.phy_write = mv88e6xxx_phy_ppu_write,
2954 	.port_set_link = mv88e6xxx_port_set_link,
2955 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2956 	.port_set_speed = mv88e6185_port_set_speed,
2957 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
2958 	.port_set_egress_floods = mv88e6185_port_set_egress_floods,
2959 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
2960 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
2961 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2962 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2963 	.stats_get_strings = mv88e6095_stats_get_strings,
2964 	.stats_get_stats = mv88e6095_stats_get_stats,
2965 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
2966 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
2967 	.watchdog_ops = &mv88e6097_watchdog_ops,
2968 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
2969 	.ppu_enable = mv88e6185_g1_ppu_enable,
2970 	.ppu_disable = mv88e6185_g1_ppu_disable,
2971 	.reset = mv88e6185_g1_reset,
2972 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
2973 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
2974 };
2975 
2976 static const struct mv88e6xxx_ops mv88e6190_ops = {
2977 	/* MV88E6XXX_FAMILY_6390 */
2978 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
2979 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
2980 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2981 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2982 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2983 	.port_set_link = mv88e6xxx_port_set_link,
2984 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2985 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
2986 	.port_set_speed = mv88e6390_port_set_speed,
2987 	.port_tag_remap = mv88e6390_port_tag_remap,
2988 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2989 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2990 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2991 	.port_pause_config = mv88e6390_port_pause_config,
2992 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2993 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2994 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
2995 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
2996 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
2997 	.stats_get_strings = mv88e6320_stats_get_strings,
2998 	.stats_get_stats = mv88e6390_stats_get_stats,
2999 	.g1_set_cpu_port = mv88e6390_g1_set_cpu_port,
3000 	.g1_set_egress_port = mv88e6390_g1_set_egress_port,
3001 	.watchdog_ops = &mv88e6390_watchdog_ops,
3002 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3003 	.reset = mv88e6352_g1_reset,
3004 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3005 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3006 };
3007 
3008 static const struct mv88e6xxx_ops mv88e6190x_ops = {
3009 	/* MV88E6XXX_FAMILY_6390 */
3010 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3011 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3012 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3013 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3014 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3015 	.port_set_link = mv88e6xxx_port_set_link,
3016 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3017 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3018 	.port_set_speed = mv88e6390x_port_set_speed,
3019 	.port_tag_remap = mv88e6390_port_tag_remap,
3020 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3021 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3022 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3023 	.port_pause_config = mv88e6390_port_pause_config,
3024 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3025 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3026 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3027 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3028 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3029 	.stats_get_strings = mv88e6320_stats_get_strings,
3030 	.stats_get_stats = mv88e6390_stats_get_stats,
3031 	.g1_set_cpu_port = mv88e6390_g1_set_cpu_port,
3032 	.g1_set_egress_port = mv88e6390_g1_set_egress_port,
3033 	.watchdog_ops = &mv88e6390_watchdog_ops,
3034 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3035 	.reset = mv88e6352_g1_reset,
3036 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3037 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3038 };
3039 
3040 static const struct mv88e6xxx_ops mv88e6191_ops = {
3041 	/* MV88E6XXX_FAMILY_6390 */
3042 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3043 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3044 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3045 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3046 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3047 	.port_set_link = mv88e6xxx_port_set_link,
3048 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3049 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3050 	.port_set_speed = mv88e6390_port_set_speed,
3051 	.port_tag_remap = mv88e6390_port_tag_remap,
3052 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3053 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3054 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3055 	.port_pause_config = mv88e6390_port_pause_config,
3056 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3057 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3058 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3059 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3060 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3061 	.stats_get_strings = mv88e6320_stats_get_strings,
3062 	.stats_get_stats = mv88e6390_stats_get_stats,
3063 	.g1_set_cpu_port = mv88e6390_g1_set_cpu_port,
3064 	.g1_set_egress_port = mv88e6390_g1_set_egress_port,
3065 	.watchdog_ops = &mv88e6390_watchdog_ops,
3066 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3067 	.reset = mv88e6352_g1_reset,
3068 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3069 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3070 };
3071 
3072 static const struct mv88e6xxx_ops mv88e6240_ops = {
3073 	/* MV88E6XXX_FAMILY_6352 */
3074 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3075 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3076 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3077 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3078 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3079 	.port_set_link = mv88e6xxx_port_set_link,
3080 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3081 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3082 	.port_set_speed = mv88e6352_port_set_speed,
3083 	.port_tag_remap = mv88e6095_port_tag_remap,
3084 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3085 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3086 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3087 	.port_jumbo_config = mv88e6165_port_jumbo_config,
3088 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3089 	.port_pause_config = mv88e6097_port_pause_config,
3090 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3091 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3092 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3093 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3094 	.stats_get_strings = mv88e6095_stats_get_strings,
3095 	.stats_get_stats = mv88e6095_stats_get_stats,
3096 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
3097 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
3098 	.watchdog_ops = &mv88e6097_watchdog_ops,
3099 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
3100 	.reset = mv88e6352_g1_reset,
3101 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3102 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3103 };
3104 
3105 static const struct mv88e6xxx_ops mv88e6290_ops = {
3106 	/* MV88E6XXX_FAMILY_6390 */
3107 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3108 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3109 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3110 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3111 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3112 	.port_set_link = mv88e6xxx_port_set_link,
3113 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3114 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3115 	.port_set_speed = mv88e6390_port_set_speed,
3116 	.port_tag_remap = mv88e6390_port_tag_remap,
3117 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3118 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3119 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3120 	.port_pause_config = mv88e6390_port_pause_config,
3121 	.port_set_cmode = mv88e6390x_port_set_cmode,
3122 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3123 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3124 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3125 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3126 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3127 	.stats_get_strings = mv88e6320_stats_get_strings,
3128 	.stats_get_stats = mv88e6390_stats_get_stats,
3129 	.g1_set_cpu_port = mv88e6390_g1_set_cpu_port,
3130 	.g1_set_egress_port = mv88e6390_g1_set_egress_port,
3131 	.watchdog_ops = &mv88e6390_watchdog_ops,
3132 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3133 	.reset = mv88e6352_g1_reset,
3134 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3135 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3136 };
3137 
3138 static const struct mv88e6xxx_ops mv88e6320_ops = {
3139 	/* MV88E6XXX_FAMILY_6320 */
3140 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3141 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3142 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3143 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3144 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3145 	.port_set_link = mv88e6xxx_port_set_link,
3146 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3147 	.port_set_speed = mv88e6185_port_set_speed,
3148 	.port_tag_remap = mv88e6095_port_tag_remap,
3149 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3150 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3151 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3152 	.port_jumbo_config = mv88e6165_port_jumbo_config,
3153 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3154 	.port_pause_config = mv88e6097_port_pause_config,
3155 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3156 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3157 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3158 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3159 	.stats_get_strings = mv88e6320_stats_get_strings,
3160 	.stats_get_stats = mv88e6320_stats_get_stats,
3161 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
3162 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
3163 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
3164 	.reset = mv88e6352_g1_reset,
3165 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3166 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3167 };
3168 
3169 static const struct mv88e6xxx_ops mv88e6321_ops = {
3170 	/* MV88E6XXX_FAMILY_6321 */
3171 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3172 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3173 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3174 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3175 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3176 	.port_set_link = mv88e6xxx_port_set_link,
3177 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3178 	.port_set_speed = mv88e6185_port_set_speed,
3179 	.port_tag_remap = mv88e6095_port_tag_remap,
3180 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3181 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3182 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3183 	.port_jumbo_config = mv88e6165_port_jumbo_config,
3184 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3185 	.port_pause_config = mv88e6097_port_pause_config,
3186 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3187 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3188 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3189 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3190 	.stats_get_strings = mv88e6320_stats_get_strings,
3191 	.stats_get_stats = mv88e6320_stats_get_stats,
3192 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
3193 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
3194 	.reset = mv88e6352_g1_reset,
3195 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3196 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3197 };
3198 
3199 static const struct mv88e6xxx_ops mv88e6341_ops = {
3200 	/* MV88E6XXX_FAMILY_6341 */
3201 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3202 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3203 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3204 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3205 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3206 	.port_set_link = mv88e6xxx_port_set_link,
3207 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3208 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3209 	.port_set_speed = mv88e6390_port_set_speed,
3210 	.port_tag_remap = mv88e6095_port_tag_remap,
3211 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3212 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3213 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3214 	.port_jumbo_config = mv88e6165_port_jumbo_config,
3215 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3216 	.port_pause_config = mv88e6097_port_pause_config,
3217 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3218 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3219 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3220 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3221 	.stats_get_strings = mv88e6320_stats_get_strings,
3222 	.stats_get_stats = mv88e6390_stats_get_stats,
3223 	.g1_set_cpu_port = mv88e6390_g1_set_cpu_port,
3224 	.g1_set_egress_port = mv88e6390_g1_set_egress_port,
3225 	.watchdog_ops = &mv88e6390_watchdog_ops,
3226 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
3227 	.reset = mv88e6352_g1_reset,
3228 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3229 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3230 };
3231 
3232 static const struct mv88e6xxx_ops mv88e6350_ops = {
3233 	/* MV88E6XXX_FAMILY_6351 */
3234 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3235 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3236 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3237 	.port_set_link = mv88e6xxx_port_set_link,
3238 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3239 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3240 	.port_set_speed = mv88e6185_port_set_speed,
3241 	.port_tag_remap = mv88e6095_port_tag_remap,
3242 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3243 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3244 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3245 	.port_jumbo_config = mv88e6165_port_jumbo_config,
3246 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3247 	.port_pause_config = mv88e6097_port_pause_config,
3248 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3249 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3250 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3251 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3252 	.stats_get_strings = mv88e6095_stats_get_strings,
3253 	.stats_get_stats = mv88e6095_stats_get_stats,
3254 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
3255 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
3256 	.watchdog_ops = &mv88e6097_watchdog_ops,
3257 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
3258 	.reset = mv88e6352_g1_reset,
3259 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3260 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3261 };
3262 
3263 static const struct mv88e6xxx_ops mv88e6351_ops = {
3264 	/* MV88E6XXX_FAMILY_6351 */
3265 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3266 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3267 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3268 	.port_set_link = mv88e6xxx_port_set_link,
3269 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3270 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3271 	.port_set_speed = mv88e6185_port_set_speed,
3272 	.port_tag_remap = mv88e6095_port_tag_remap,
3273 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3274 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3275 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3276 	.port_jumbo_config = mv88e6165_port_jumbo_config,
3277 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3278 	.port_pause_config = mv88e6097_port_pause_config,
3279 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3280 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3281 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3282 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3283 	.stats_get_strings = mv88e6095_stats_get_strings,
3284 	.stats_get_stats = mv88e6095_stats_get_stats,
3285 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
3286 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
3287 	.watchdog_ops = &mv88e6097_watchdog_ops,
3288 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
3289 	.reset = mv88e6352_g1_reset,
3290 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3291 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3292 };
3293 
3294 static const struct mv88e6xxx_ops mv88e6352_ops = {
3295 	/* MV88E6XXX_FAMILY_6352 */
3296 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3297 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3298 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3299 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3300 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3301 	.port_set_link = mv88e6xxx_port_set_link,
3302 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3303 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3304 	.port_set_speed = mv88e6352_port_set_speed,
3305 	.port_tag_remap = mv88e6095_port_tag_remap,
3306 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3307 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3308 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3309 	.port_jumbo_config = mv88e6165_port_jumbo_config,
3310 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3311 	.port_pause_config = mv88e6097_port_pause_config,
3312 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3313 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3314 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3315 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3316 	.stats_get_strings = mv88e6095_stats_get_strings,
3317 	.stats_get_stats = mv88e6095_stats_get_stats,
3318 	.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
3319 	.g1_set_egress_port = mv88e6095_g1_set_egress_port,
3320 	.watchdog_ops = &mv88e6097_watchdog_ops,
3321 	.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
3322 	.reset = mv88e6352_g1_reset,
3323 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3324 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3325 };
3326 
3327 static const struct mv88e6xxx_ops mv88e6390_ops = {
3328 	/* MV88E6XXX_FAMILY_6390 */
3329 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3330 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3331 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3332 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3333 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3334 	.port_set_link = mv88e6xxx_port_set_link,
3335 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3336 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3337 	.port_set_speed = mv88e6390_port_set_speed,
3338 	.port_tag_remap = mv88e6390_port_tag_remap,
3339 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3340 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3341 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3342 	.port_jumbo_config = mv88e6165_port_jumbo_config,
3343 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3344 	.port_pause_config = mv88e6390_port_pause_config,
3345 	.port_set_cmode = mv88e6390x_port_set_cmode,
3346 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3347 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3348 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3349 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3350 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3351 	.stats_get_strings = mv88e6320_stats_get_strings,
3352 	.stats_get_stats = mv88e6390_stats_get_stats,
3353 	.g1_set_cpu_port = mv88e6390_g1_set_cpu_port,
3354 	.g1_set_egress_port = mv88e6390_g1_set_egress_port,
3355 	.watchdog_ops = &mv88e6390_watchdog_ops,
3356 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3357 	.reset = mv88e6352_g1_reset,
3358 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3359 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3360 };
3361 
3362 static const struct mv88e6xxx_ops mv88e6390x_ops = {
3363 	/* MV88E6XXX_FAMILY_6390 */
3364 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3365 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3366 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3367 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3368 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3369 	.port_set_link = mv88e6xxx_port_set_link,
3370 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3371 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3372 	.port_set_speed = mv88e6390x_port_set_speed,
3373 	.port_tag_remap = mv88e6390_port_tag_remap,
3374 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3375 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3376 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3377 	.port_jumbo_config = mv88e6165_port_jumbo_config,
3378 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3379 	.port_pause_config = mv88e6390_port_pause_config,
3380 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3381 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3382 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3383 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3384 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3385 	.stats_get_strings = mv88e6320_stats_get_strings,
3386 	.stats_get_stats = mv88e6390_stats_get_stats,
3387 	.g1_set_cpu_port = mv88e6390_g1_set_cpu_port,
3388 	.g1_set_egress_port = mv88e6390_g1_set_egress_port,
3389 	.watchdog_ops = &mv88e6390_watchdog_ops,
3390 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3391 	.reset = mv88e6352_g1_reset,
3392 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3393 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3394 };
3395 
3396 static const struct mv88e6xxx_info mv88e6xxx_table[] = {
3397 	[MV88E6085] = {
3398 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6085,
3399 		.family = MV88E6XXX_FAMILY_6097,
3400 		.name = "Marvell 88E6085",
3401 		.num_databases = 4096,
3402 		.num_ports = 10,
3403 		.max_vid = 4095,
3404 		.port_base_addr = 0x10,
3405 		.global1_addr = 0x1b,
3406 		.age_time_coeff = 15000,
3407 		.g1_irqs = 8,
3408 		.atu_move_port_mask = 0xf,
3409 		.pvt = true,
3410 		.tag_protocol = DSA_TAG_PROTO_DSA,
3411 		.flags = MV88E6XXX_FLAGS_FAMILY_6097,
3412 		.ops = &mv88e6085_ops,
3413 	},
3414 
3415 	[MV88E6095] = {
3416 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6095,
3417 		.family = MV88E6XXX_FAMILY_6095,
3418 		.name = "Marvell 88E6095/88E6095F",
3419 		.num_databases = 256,
3420 		.num_ports = 11,
3421 		.max_vid = 4095,
3422 		.port_base_addr = 0x10,
3423 		.global1_addr = 0x1b,
3424 		.age_time_coeff = 15000,
3425 		.g1_irqs = 8,
3426 		.atu_move_port_mask = 0xf,
3427 		.tag_protocol = DSA_TAG_PROTO_DSA,
3428 		.flags = MV88E6XXX_FLAGS_FAMILY_6095,
3429 		.ops = &mv88e6095_ops,
3430 	},
3431 
3432 	[MV88E6097] = {
3433 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6097,
3434 		.family = MV88E6XXX_FAMILY_6097,
3435 		.name = "Marvell 88E6097/88E6097F",
3436 		.num_databases = 4096,
3437 		.num_ports = 11,
3438 		.max_vid = 4095,
3439 		.port_base_addr = 0x10,
3440 		.global1_addr = 0x1b,
3441 		.age_time_coeff = 15000,
3442 		.g1_irqs = 8,
3443 		.atu_move_port_mask = 0xf,
3444 		.pvt = true,
3445 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3446 		.flags = MV88E6XXX_FLAGS_FAMILY_6097,
3447 		.ops = &mv88e6097_ops,
3448 	},
3449 
3450 	[MV88E6123] = {
3451 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6123,
3452 		.family = MV88E6XXX_FAMILY_6165,
3453 		.name = "Marvell 88E6123",
3454 		.num_databases = 4096,
3455 		.num_ports = 3,
3456 		.max_vid = 4095,
3457 		.port_base_addr = 0x10,
3458 		.global1_addr = 0x1b,
3459 		.age_time_coeff = 15000,
3460 		.g1_irqs = 9,
3461 		.atu_move_port_mask = 0xf,
3462 		.pvt = true,
3463 		.tag_protocol = DSA_TAG_PROTO_DSA,
3464 		.flags = MV88E6XXX_FLAGS_FAMILY_6165,
3465 		.ops = &mv88e6123_ops,
3466 	},
3467 
3468 	[MV88E6131] = {
3469 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6131,
3470 		.family = MV88E6XXX_FAMILY_6185,
3471 		.name = "Marvell 88E6131",
3472 		.num_databases = 256,
3473 		.num_ports = 8,
3474 		.max_vid = 4095,
3475 		.port_base_addr = 0x10,
3476 		.global1_addr = 0x1b,
3477 		.age_time_coeff = 15000,
3478 		.g1_irqs = 9,
3479 		.atu_move_port_mask = 0xf,
3480 		.tag_protocol = DSA_TAG_PROTO_DSA,
3481 		.flags = MV88E6XXX_FLAGS_FAMILY_6185,
3482 		.ops = &mv88e6131_ops,
3483 	},
3484 
3485 	[MV88E6141] = {
3486 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6141,
3487 		.family = MV88E6XXX_FAMILY_6341,
3488 		.name = "Marvell 88E6341",
3489 		.num_databases = 4096,
3490 		.num_ports = 6,
3491 		.max_vid = 4095,
3492 		.port_base_addr = 0x10,
3493 		.global1_addr = 0x1b,
3494 		.age_time_coeff = 3750,
3495 		.atu_move_port_mask = 0x1f,
3496 		.pvt = true,
3497 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3498 		.flags = MV88E6XXX_FLAGS_FAMILY_6341,
3499 		.ops = &mv88e6141_ops,
3500 	},
3501 
3502 	[MV88E6161] = {
3503 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6161,
3504 		.family = MV88E6XXX_FAMILY_6165,
3505 		.name = "Marvell 88E6161",
3506 		.num_databases = 4096,
3507 		.num_ports = 6,
3508 		.max_vid = 4095,
3509 		.port_base_addr = 0x10,
3510 		.global1_addr = 0x1b,
3511 		.age_time_coeff = 15000,
3512 		.g1_irqs = 9,
3513 		.atu_move_port_mask = 0xf,
3514 		.pvt = true,
3515 		.tag_protocol = DSA_TAG_PROTO_DSA,
3516 		.flags = MV88E6XXX_FLAGS_FAMILY_6165,
3517 		.ops = &mv88e6161_ops,
3518 	},
3519 
3520 	[MV88E6165] = {
3521 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6165,
3522 		.family = MV88E6XXX_FAMILY_6165,
3523 		.name = "Marvell 88E6165",
3524 		.num_databases = 4096,
3525 		.num_ports = 6,
3526 		.max_vid = 4095,
3527 		.port_base_addr = 0x10,
3528 		.global1_addr = 0x1b,
3529 		.age_time_coeff = 15000,
3530 		.g1_irqs = 9,
3531 		.atu_move_port_mask = 0xf,
3532 		.pvt = true,
3533 		.tag_protocol = DSA_TAG_PROTO_DSA,
3534 		.flags = MV88E6XXX_FLAGS_FAMILY_6165,
3535 		.ops = &mv88e6165_ops,
3536 	},
3537 
3538 	[MV88E6171] = {
3539 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6171,
3540 		.family = MV88E6XXX_FAMILY_6351,
3541 		.name = "Marvell 88E6171",
3542 		.num_databases = 4096,
3543 		.num_ports = 7,
3544 		.max_vid = 4095,
3545 		.port_base_addr = 0x10,
3546 		.global1_addr = 0x1b,
3547 		.age_time_coeff = 15000,
3548 		.g1_irqs = 9,
3549 		.atu_move_port_mask = 0xf,
3550 		.pvt = true,
3551 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3552 		.flags = MV88E6XXX_FLAGS_FAMILY_6351,
3553 		.ops = &mv88e6171_ops,
3554 	},
3555 
3556 	[MV88E6172] = {
3557 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6172,
3558 		.family = MV88E6XXX_FAMILY_6352,
3559 		.name = "Marvell 88E6172",
3560 		.num_databases = 4096,
3561 		.num_ports = 7,
3562 		.max_vid = 4095,
3563 		.port_base_addr = 0x10,
3564 		.global1_addr = 0x1b,
3565 		.age_time_coeff = 15000,
3566 		.g1_irqs = 9,
3567 		.atu_move_port_mask = 0xf,
3568 		.pvt = true,
3569 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3570 		.flags = MV88E6XXX_FLAGS_FAMILY_6352,
3571 		.ops = &mv88e6172_ops,
3572 	},
3573 
3574 	[MV88E6175] = {
3575 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6175,
3576 		.family = MV88E6XXX_FAMILY_6351,
3577 		.name = "Marvell 88E6175",
3578 		.num_databases = 4096,
3579 		.num_ports = 7,
3580 		.max_vid = 4095,
3581 		.port_base_addr = 0x10,
3582 		.global1_addr = 0x1b,
3583 		.age_time_coeff = 15000,
3584 		.g1_irqs = 9,
3585 		.atu_move_port_mask = 0xf,
3586 		.pvt = true,
3587 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3588 		.flags = MV88E6XXX_FLAGS_FAMILY_6351,
3589 		.ops = &mv88e6175_ops,
3590 	},
3591 
3592 	[MV88E6176] = {
3593 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6176,
3594 		.family = MV88E6XXX_FAMILY_6352,
3595 		.name = "Marvell 88E6176",
3596 		.num_databases = 4096,
3597 		.num_ports = 7,
3598 		.max_vid = 4095,
3599 		.port_base_addr = 0x10,
3600 		.global1_addr = 0x1b,
3601 		.age_time_coeff = 15000,
3602 		.g1_irqs = 9,
3603 		.atu_move_port_mask = 0xf,
3604 		.pvt = true,
3605 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3606 		.flags = MV88E6XXX_FLAGS_FAMILY_6352,
3607 		.ops = &mv88e6176_ops,
3608 	},
3609 
3610 	[MV88E6185] = {
3611 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6185,
3612 		.family = MV88E6XXX_FAMILY_6185,
3613 		.name = "Marvell 88E6185",
3614 		.num_databases = 256,
3615 		.num_ports = 10,
3616 		.max_vid = 4095,
3617 		.port_base_addr = 0x10,
3618 		.global1_addr = 0x1b,
3619 		.age_time_coeff = 15000,
3620 		.g1_irqs = 8,
3621 		.atu_move_port_mask = 0xf,
3622 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3623 		.flags = MV88E6XXX_FLAGS_FAMILY_6185,
3624 		.ops = &mv88e6185_ops,
3625 	},
3626 
3627 	[MV88E6190] = {
3628 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6190,
3629 		.family = MV88E6XXX_FAMILY_6390,
3630 		.name = "Marvell 88E6190",
3631 		.num_databases = 4096,
3632 		.num_ports = 11,	/* 10 + Z80 */
3633 		.max_vid = 8191,
3634 		.port_base_addr = 0x0,
3635 		.global1_addr = 0x1b,
3636 		.tag_protocol = DSA_TAG_PROTO_DSA,
3637 		.age_time_coeff = 3750,
3638 		.g1_irqs = 9,
3639 		.pvt = true,
3640 		.atu_move_port_mask = 0x1f,
3641 		.flags = MV88E6XXX_FLAGS_FAMILY_6390,
3642 		.ops = &mv88e6190_ops,
3643 	},
3644 
3645 	[MV88E6190X] = {
3646 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6190X,
3647 		.family = MV88E6XXX_FAMILY_6390,
3648 		.name = "Marvell 88E6190X",
3649 		.num_databases = 4096,
3650 		.num_ports = 11,	/* 10 + Z80 */
3651 		.max_vid = 8191,
3652 		.port_base_addr = 0x0,
3653 		.global1_addr = 0x1b,
3654 		.age_time_coeff = 3750,
3655 		.g1_irqs = 9,
3656 		.atu_move_port_mask = 0x1f,
3657 		.pvt = true,
3658 		.tag_protocol = DSA_TAG_PROTO_DSA,
3659 		.flags = MV88E6XXX_FLAGS_FAMILY_6390,
3660 		.ops = &mv88e6190x_ops,
3661 	},
3662 
3663 	[MV88E6191] = {
3664 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6191,
3665 		.family = MV88E6XXX_FAMILY_6390,
3666 		.name = "Marvell 88E6191",
3667 		.num_databases = 4096,
3668 		.num_ports = 11,	/* 10 + Z80 */
3669 		.max_vid = 8191,
3670 		.port_base_addr = 0x0,
3671 		.global1_addr = 0x1b,
3672 		.age_time_coeff = 3750,
3673 		.g1_irqs = 9,
3674 		.atu_move_port_mask = 0x1f,
3675 		.pvt = true,
3676 		.tag_protocol = DSA_TAG_PROTO_DSA,
3677 		.flags = MV88E6XXX_FLAGS_FAMILY_6390,
3678 		.ops = &mv88e6191_ops,
3679 	},
3680 
3681 	[MV88E6240] = {
3682 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6240,
3683 		.family = MV88E6XXX_FAMILY_6352,
3684 		.name = "Marvell 88E6240",
3685 		.num_databases = 4096,
3686 		.num_ports = 7,
3687 		.max_vid = 4095,
3688 		.port_base_addr = 0x10,
3689 		.global1_addr = 0x1b,
3690 		.age_time_coeff = 15000,
3691 		.g1_irqs = 9,
3692 		.atu_move_port_mask = 0xf,
3693 		.pvt = true,
3694 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3695 		.flags = MV88E6XXX_FLAGS_FAMILY_6352,
3696 		.ops = &mv88e6240_ops,
3697 	},
3698 
3699 	[MV88E6290] = {
3700 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6290,
3701 		.family = MV88E6XXX_FAMILY_6390,
3702 		.name = "Marvell 88E6290",
3703 		.num_databases = 4096,
3704 		.num_ports = 11,	/* 10 + Z80 */
3705 		.max_vid = 8191,
3706 		.port_base_addr = 0x0,
3707 		.global1_addr = 0x1b,
3708 		.age_time_coeff = 3750,
3709 		.g1_irqs = 9,
3710 		.atu_move_port_mask = 0x1f,
3711 		.pvt = true,
3712 		.tag_protocol = DSA_TAG_PROTO_DSA,
3713 		.flags = MV88E6XXX_FLAGS_FAMILY_6390,
3714 		.ops = &mv88e6290_ops,
3715 	},
3716 
3717 	[MV88E6320] = {
3718 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6320,
3719 		.family = MV88E6XXX_FAMILY_6320,
3720 		.name = "Marvell 88E6320",
3721 		.num_databases = 4096,
3722 		.num_ports = 7,
3723 		.max_vid = 4095,
3724 		.port_base_addr = 0x10,
3725 		.global1_addr = 0x1b,
3726 		.age_time_coeff = 15000,
3727 		.g1_irqs = 8,
3728 		.atu_move_port_mask = 0xf,
3729 		.pvt = true,
3730 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3731 		.flags = MV88E6XXX_FLAGS_FAMILY_6320,
3732 		.ops = &mv88e6320_ops,
3733 	},
3734 
3735 	[MV88E6321] = {
3736 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6321,
3737 		.family = MV88E6XXX_FAMILY_6320,
3738 		.name = "Marvell 88E6321",
3739 		.num_databases = 4096,
3740 		.num_ports = 7,
3741 		.max_vid = 4095,
3742 		.port_base_addr = 0x10,
3743 		.global1_addr = 0x1b,
3744 		.age_time_coeff = 15000,
3745 		.g1_irqs = 8,
3746 		.atu_move_port_mask = 0xf,
3747 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3748 		.flags = MV88E6XXX_FLAGS_FAMILY_6320,
3749 		.ops = &mv88e6321_ops,
3750 	},
3751 
3752 	[MV88E6341] = {
3753 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6341,
3754 		.family = MV88E6XXX_FAMILY_6341,
3755 		.name = "Marvell 88E6341",
3756 		.num_databases = 4096,
3757 		.num_ports = 6,
3758 		.max_vid = 4095,
3759 		.port_base_addr = 0x10,
3760 		.global1_addr = 0x1b,
3761 		.age_time_coeff = 3750,
3762 		.atu_move_port_mask = 0x1f,
3763 		.pvt = true,
3764 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3765 		.flags = MV88E6XXX_FLAGS_FAMILY_6341,
3766 		.ops = &mv88e6341_ops,
3767 	},
3768 
3769 	[MV88E6350] = {
3770 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6350,
3771 		.family = MV88E6XXX_FAMILY_6351,
3772 		.name = "Marvell 88E6350",
3773 		.num_databases = 4096,
3774 		.num_ports = 7,
3775 		.max_vid = 4095,
3776 		.port_base_addr = 0x10,
3777 		.global1_addr = 0x1b,
3778 		.age_time_coeff = 15000,
3779 		.g1_irqs = 9,
3780 		.atu_move_port_mask = 0xf,
3781 		.pvt = true,
3782 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3783 		.flags = MV88E6XXX_FLAGS_FAMILY_6351,
3784 		.ops = &mv88e6350_ops,
3785 	},
3786 
3787 	[MV88E6351] = {
3788 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6351,
3789 		.family = MV88E6XXX_FAMILY_6351,
3790 		.name = "Marvell 88E6351",
3791 		.num_databases = 4096,
3792 		.num_ports = 7,
3793 		.max_vid = 4095,
3794 		.port_base_addr = 0x10,
3795 		.global1_addr = 0x1b,
3796 		.age_time_coeff = 15000,
3797 		.g1_irqs = 9,
3798 		.atu_move_port_mask = 0xf,
3799 		.pvt = true,
3800 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3801 		.flags = MV88E6XXX_FLAGS_FAMILY_6351,
3802 		.ops = &mv88e6351_ops,
3803 	},
3804 
3805 	[MV88E6352] = {
3806 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6352,
3807 		.family = MV88E6XXX_FAMILY_6352,
3808 		.name = "Marvell 88E6352",
3809 		.num_databases = 4096,
3810 		.num_ports = 7,
3811 		.max_vid = 4095,
3812 		.port_base_addr = 0x10,
3813 		.global1_addr = 0x1b,
3814 		.age_time_coeff = 15000,
3815 		.g1_irqs = 9,
3816 		.atu_move_port_mask = 0xf,
3817 		.pvt = true,
3818 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3819 		.flags = MV88E6XXX_FLAGS_FAMILY_6352,
3820 		.ops = &mv88e6352_ops,
3821 	},
3822 	[MV88E6390] = {
3823 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6390,
3824 		.family = MV88E6XXX_FAMILY_6390,
3825 		.name = "Marvell 88E6390",
3826 		.num_databases = 4096,
3827 		.num_ports = 11,	/* 10 + Z80 */
3828 		.max_vid = 8191,
3829 		.port_base_addr = 0x0,
3830 		.global1_addr = 0x1b,
3831 		.age_time_coeff = 3750,
3832 		.g1_irqs = 9,
3833 		.atu_move_port_mask = 0x1f,
3834 		.pvt = true,
3835 		.tag_protocol = DSA_TAG_PROTO_DSA,
3836 		.flags = MV88E6XXX_FLAGS_FAMILY_6390,
3837 		.ops = &mv88e6390_ops,
3838 	},
3839 	[MV88E6390X] = {
3840 		.prod_num = PORT_SWITCH_ID_PROD_NUM_6390X,
3841 		.family = MV88E6XXX_FAMILY_6390,
3842 		.name = "Marvell 88E6390X",
3843 		.num_databases = 4096,
3844 		.num_ports = 11,	/* 10 + Z80 */
3845 		.max_vid = 8191,
3846 		.port_base_addr = 0x0,
3847 		.global1_addr = 0x1b,
3848 		.age_time_coeff = 3750,
3849 		.g1_irqs = 9,
3850 		.atu_move_port_mask = 0x1f,
3851 		.pvt = true,
3852 		.tag_protocol = DSA_TAG_PROTO_DSA,
3853 		.flags = MV88E6XXX_FLAGS_FAMILY_6390,
3854 		.ops = &mv88e6390x_ops,
3855 	},
3856 };
3857 
3858 static const struct mv88e6xxx_info *mv88e6xxx_lookup_info(unsigned int prod_num)
3859 {
3860 	int i;
3861 
3862 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_table); ++i)
3863 		if (mv88e6xxx_table[i].prod_num == prod_num)
3864 			return &mv88e6xxx_table[i];
3865 
3866 	return NULL;
3867 }
3868 
3869 static int mv88e6xxx_detect(struct mv88e6xxx_chip *chip)
3870 {
3871 	const struct mv88e6xxx_info *info;
3872 	unsigned int prod_num, rev;
3873 	u16 id;
3874 	int err;
3875 
3876 	mutex_lock(&chip->reg_lock);
3877 	err = mv88e6xxx_port_read(chip, 0, PORT_SWITCH_ID, &id);
3878 	mutex_unlock(&chip->reg_lock);
3879 	if (err)
3880 		return err;
3881 
3882 	prod_num = (id & 0xfff0) >> 4;
3883 	rev = id & 0x000f;
3884 
3885 	info = mv88e6xxx_lookup_info(prod_num);
3886 	if (!info)
3887 		return -ENODEV;
3888 
3889 	/* Update the compatible info with the probed one */
3890 	chip->info = info;
3891 
3892 	err = mv88e6xxx_g2_require(chip);
3893 	if (err)
3894 		return err;
3895 
3896 	dev_info(chip->dev, "switch 0x%x detected: %s, revision %u\n",
3897 		 chip->info->prod_num, chip->info->name, rev);
3898 
3899 	return 0;
3900 }
3901 
3902 static struct mv88e6xxx_chip *mv88e6xxx_alloc_chip(struct device *dev)
3903 {
3904 	struct mv88e6xxx_chip *chip;
3905 
3906 	chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
3907 	if (!chip)
3908 		return NULL;
3909 
3910 	chip->dev = dev;
3911 
3912 	mutex_init(&chip->reg_lock);
3913 	INIT_LIST_HEAD(&chip->mdios);
3914 
3915 	return chip;
3916 }
3917 
3918 static void mv88e6xxx_phy_init(struct mv88e6xxx_chip *chip)
3919 {
3920 	if (chip->info->ops->ppu_enable && chip->info->ops->ppu_disable)
3921 		mv88e6xxx_ppu_state_init(chip);
3922 }
3923 
3924 static void mv88e6xxx_phy_destroy(struct mv88e6xxx_chip *chip)
3925 {
3926 	if (chip->info->ops->ppu_enable && chip->info->ops->ppu_disable)
3927 		mv88e6xxx_ppu_state_destroy(chip);
3928 }
3929 
3930 static int mv88e6xxx_smi_init(struct mv88e6xxx_chip *chip,
3931 			      struct mii_bus *bus, int sw_addr)
3932 {
3933 	if (sw_addr == 0)
3934 		chip->smi_ops = &mv88e6xxx_smi_single_chip_ops;
3935 	else if (mv88e6xxx_has(chip, MV88E6XXX_FLAGS_MULTI_CHIP))
3936 		chip->smi_ops = &mv88e6xxx_smi_multi_chip_ops;
3937 	else
3938 		return -EINVAL;
3939 
3940 	chip->bus = bus;
3941 	chip->sw_addr = sw_addr;
3942 
3943 	return 0;
3944 }
3945 
3946 static enum dsa_tag_protocol mv88e6xxx_get_tag_protocol(struct dsa_switch *ds)
3947 {
3948 	struct mv88e6xxx_chip *chip = ds->priv;
3949 
3950 	return chip->info->tag_protocol;
3951 }
3952 
3953 static const char *mv88e6xxx_drv_probe(struct device *dsa_dev,
3954 				       struct device *host_dev, int sw_addr,
3955 				       void **priv)
3956 {
3957 	struct mv88e6xxx_chip *chip;
3958 	struct mii_bus *bus;
3959 	int err;
3960 
3961 	bus = dsa_host_dev_to_mii_bus(host_dev);
3962 	if (!bus)
3963 		return NULL;
3964 
3965 	chip = mv88e6xxx_alloc_chip(dsa_dev);
3966 	if (!chip)
3967 		return NULL;
3968 
3969 	/* Legacy SMI probing will only support chips similar to 88E6085 */
3970 	chip->info = &mv88e6xxx_table[MV88E6085];
3971 
3972 	err = mv88e6xxx_smi_init(chip, bus, sw_addr);
3973 	if (err)
3974 		goto free;
3975 
3976 	err = mv88e6xxx_detect(chip);
3977 	if (err)
3978 		goto free;
3979 
3980 	mutex_lock(&chip->reg_lock);
3981 	err = mv88e6xxx_switch_reset(chip);
3982 	mutex_unlock(&chip->reg_lock);
3983 	if (err)
3984 		goto free;
3985 
3986 	mv88e6xxx_phy_init(chip);
3987 
3988 	err = mv88e6xxx_mdios_register(chip, NULL);
3989 	if (err)
3990 		goto free;
3991 
3992 	*priv = chip;
3993 
3994 	return chip->info->name;
3995 free:
3996 	devm_kfree(dsa_dev, chip);
3997 
3998 	return NULL;
3999 }
4000 
4001 static int mv88e6xxx_port_mdb_prepare(struct dsa_switch *ds, int port,
4002 				      const struct switchdev_obj_port_mdb *mdb,
4003 				      struct switchdev_trans *trans)
4004 {
4005 	/* We don't need any dynamic resource from the kernel (yet),
4006 	 * so skip the prepare phase.
4007 	 */
4008 
4009 	return 0;
4010 }
4011 
4012 static void mv88e6xxx_port_mdb_add(struct dsa_switch *ds, int port,
4013 				   const struct switchdev_obj_port_mdb *mdb,
4014 				   struct switchdev_trans *trans)
4015 {
4016 	struct mv88e6xxx_chip *chip = ds->priv;
4017 
4018 	mutex_lock(&chip->reg_lock);
4019 	if (mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid,
4020 					 GLOBAL_ATU_DATA_STATE_MC_STATIC))
4021 		netdev_err(ds->ports[port].netdev, "failed to load multicast MAC address\n");
4022 	mutex_unlock(&chip->reg_lock);
4023 }
4024 
4025 static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, int port,
4026 				  const struct switchdev_obj_port_mdb *mdb)
4027 {
4028 	struct mv88e6xxx_chip *chip = ds->priv;
4029 	int err;
4030 
4031 	mutex_lock(&chip->reg_lock);
4032 	err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid,
4033 					   GLOBAL_ATU_DATA_STATE_UNUSED);
4034 	mutex_unlock(&chip->reg_lock);
4035 
4036 	return err;
4037 }
4038 
4039 static int mv88e6xxx_port_mdb_dump(struct dsa_switch *ds, int port,
4040 				   struct switchdev_obj_port_mdb *mdb,
4041 				   int (*cb)(struct switchdev_obj *obj))
4042 {
4043 	struct mv88e6xxx_chip *chip = ds->priv;
4044 	int err;
4045 
4046 	mutex_lock(&chip->reg_lock);
4047 	err = mv88e6xxx_port_db_dump(chip, port, &mdb->obj, cb);
4048 	mutex_unlock(&chip->reg_lock);
4049 
4050 	return err;
4051 }
4052 
4053 static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
4054 	.probe			= mv88e6xxx_drv_probe,
4055 	.get_tag_protocol	= mv88e6xxx_get_tag_protocol,
4056 	.setup			= mv88e6xxx_setup,
4057 	.set_addr		= mv88e6xxx_set_addr,
4058 	.adjust_link		= mv88e6xxx_adjust_link,
4059 	.get_strings		= mv88e6xxx_get_strings,
4060 	.get_ethtool_stats	= mv88e6xxx_get_ethtool_stats,
4061 	.get_sset_count		= mv88e6xxx_get_sset_count,
4062 	.set_eee		= mv88e6xxx_set_eee,
4063 	.get_eee		= mv88e6xxx_get_eee,
4064 	.get_eeprom_len		= mv88e6xxx_get_eeprom_len,
4065 	.get_eeprom		= mv88e6xxx_get_eeprom,
4066 	.set_eeprom		= mv88e6xxx_set_eeprom,
4067 	.get_regs_len		= mv88e6xxx_get_regs_len,
4068 	.get_regs		= mv88e6xxx_get_regs,
4069 	.set_ageing_time	= mv88e6xxx_set_ageing_time,
4070 	.port_bridge_join	= mv88e6xxx_port_bridge_join,
4071 	.port_bridge_leave	= mv88e6xxx_port_bridge_leave,
4072 	.port_stp_state_set	= mv88e6xxx_port_stp_state_set,
4073 	.port_fast_age		= mv88e6xxx_port_fast_age,
4074 	.port_vlan_filtering	= mv88e6xxx_port_vlan_filtering,
4075 	.port_vlan_prepare	= mv88e6xxx_port_vlan_prepare,
4076 	.port_vlan_add		= mv88e6xxx_port_vlan_add,
4077 	.port_vlan_del		= mv88e6xxx_port_vlan_del,
4078 	.port_vlan_dump		= mv88e6xxx_port_vlan_dump,
4079 	.port_fdb_prepare       = mv88e6xxx_port_fdb_prepare,
4080 	.port_fdb_add           = mv88e6xxx_port_fdb_add,
4081 	.port_fdb_del           = mv88e6xxx_port_fdb_del,
4082 	.port_fdb_dump          = mv88e6xxx_port_fdb_dump,
4083 	.port_mdb_prepare       = mv88e6xxx_port_mdb_prepare,
4084 	.port_mdb_add           = mv88e6xxx_port_mdb_add,
4085 	.port_mdb_del           = mv88e6xxx_port_mdb_del,
4086 	.port_mdb_dump          = mv88e6xxx_port_mdb_dump,
4087 	.crosschip_bridge_join	= mv88e6xxx_crosschip_bridge_join,
4088 	.crosschip_bridge_leave	= mv88e6xxx_crosschip_bridge_leave,
4089 };
4090 
4091 static struct dsa_switch_driver mv88e6xxx_switch_drv = {
4092 	.ops			= &mv88e6xxx_switch_ops,
4093 };
4094 
4095 static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip)
4096 {
4097 	struct device *dev = chip->dev;
4098 	struct dsa_switch *ds;
4099 
4100 	ds = dsa_switch_alloc(dev, mv88e6xxx_num_ports(chip));
4101 	if (!ds)
4102 		return -ENOMEM;
4103 
4104 	ds->priv = chip;
4105 	ds->ops = &mv88e6xxx_switch_ops;
4106 	ds->ageing_time_min = chip->info->age_time_coeff;
4107 	ds->ageing_time_max = chip->info->age_time_coeff * U8_MAX;
4108 
4109 	dev_set_drvdata(dev, ds);
4110 
4111 	return dsa_register_switch(ds, dev);
4112 }
4113 
4114 static void mv88e6xxx_unregister_switch(struct mv88e6xxx_chip *chip)
4115 {
4116 	dsa_unregister_switch(chip->ds);
4117 }
4118 
4119 static int mv88e6xxx_probe(struct mdio_device *mdiodev)
4120 {
4121 	struct device *dev = &mdiodev->dev;
4122 	struct device_node *np = dev->of_node;
4123 	const struct mv88e6xxx_info *compat_info;
4124 	struct mv88e6xxx_chip *chip;
4125 	u32 eeprom_len;
4126 	int err;
4127 
4128 	compat_info = of_device_get_match_data(dev);
4129 	if (!compat_info)
4130 		return -EINVAL;
4131 
4132 	chip = mv88e6xxx_alloc_chip(dev);
4133 	if (!chip)
4134 		return -ENOMEM;
4135 
4136 	chip->info = compat_info;
4137 
4138 	err = mv88e6xxx_smi_init(chip, mdiodev->bus, mdiodev->addr);
4139 	if (err)
4140 		return err;
4141 
4142 	chip->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
4143 	if (IS_ERR(chip->reset))
4144 		return PTR_ERR(chip->reset);
4145 
4146 	err = mv88e6xxx_detect(chip);
4147 	if (err)
4148 		return err;
4149 
4150 	mv88e6xxx_phy_init(chip);
4151 
4152 	if (chip->info->ops->get_eeprom &&
4153 	    !of_property_read_u32(np, "eeprom-length", &eeprom_len))
4154 		chip->eeprom_len = eeprom_len;
4155 
4156 	mutex_lock(&chip->reg_lock);
4157 	err = mv88e6xxx_switch_reset(chip);
4158 	mutex_unlock(&chip->reg_lock);
4159 	if (err)
4160 		goto out;
4161 
4162 	chip->irq = of_irq_get(np, 0);
4163 	if (chip->irq == -EPROBE_DEFER) {
4164 		err = chip->irq;
4165 		goto out;
4166 	}
4167 
4168 	if (chip->irq > 0) {
4169 		/* Has to be performed before the MDIO bus is created,
4170 		 * because the PHYs will link there interrupts to these
4171 		 * interrupt controllers
4172 		 */
4173 		mutex_lock(&chip->reg_lock);
4174 		err = mv88e6xxx_g1_irq_setup(chip);
4175 		mutex_unlock(&chip->reg_lock);
4176 
4177 		if (err)
4178 			goto out;
4179 
4180 		if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_INT)) {
4181 			err = mv88e6xxx_g2_irq_setup(chip);
4182 			if (err)
4183 				goto out_g1_irq;
4184 		}
4185 	}
4186 
4187 	err = mv88e6xxx_mdios_register(chip, np);
4188 	if (err)
4189 		goto out_g2_irq;
4190 
4191 	err = mv88e6xxx_register_switch(chip);
4192 	if (err)
4193 		goto out_mdio;
4194 
4195 	return 0;
4196 
4197 out_mdio:
4198 	mv88e6xxx_mdios_unregister(chip);
4199 out_g2_irq:
4200 	if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_INT) && chip->irq > 0)
4201 		mv88e6xxx_g2_irq_free(chip);
4202 out_g1_irq:
4203 	if (chip->irq > 0) {
4204 		mutex_lock(&chip->reg_lock);
4205 		mv88e6xxx_g1_irq_free(chip);
4206 		mutex_unlock(&chip->reg_lock);
4207 	}
4208 out:
4209 	return err;
4210 }
4211 
4212 static void mv88e6xxx_remove(struct mdio_device *mdiodev)
4213 {
4214 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
4215 	struct mv88e6xxx_chip *chip = ds->priv;
4216 
4217 	mv88e6xxx_phy_destroy(chip);
4218 	mv88e6xxx_unregister_switch(chip);
4219 	mv88e6xxx_mdios_unregister(chip);
4220 
4221 	if (chip->irq > 0) {
4222 		if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G2_INT))
4223 			mv88e6xxx_g2_irq_free(chip);
4224 		mv88e6xxx_g1_irq_free(chip);
4225 	}
4226 }
4227 
4228 static const struct of_device_id mv88e6xxx_of_match[] = {
4229 	{
4230 		.compatible = "marvell,mv88e6085",
4231 		.data = &mv88e6xxx_table[MV88E6085],
4232 	},
4233 	{
4234 		.compatible = "marvell,mv88e6190",
4235 		.data = &mv88e6xxx_table[MV88E6190],
4236 	},
4237 	{ /* sentinel */ },
4238 };
4239 
4240 MODULE_DEVICE_TABLE(of, mv88e6xxx_of_match);
4241 
4242 static struct mdio_driver mv88e6xxx_driver = {
4243 	.probe	= mv88e6xxx_probe,
4244 	.remove = mv88e6xxx_remove,
4245 	.mdiodrv.driver = {
4246 		.name = "mv88e6085",
4247 		.of_match_table = mv88e6xxx_of_match,
4248 	},
4249 };
4250 
4251 static int __init mv88e6xxx_init(void)
4252 {
4253 	register_switch_driver(&mv88e6xxx_switch_drv);
4254 	return mdio_driver_register(&mv88e6xxx_driver);
4255 }
4256 module_init(mv88e6xxx_init);
4257 
4258 static void __exit mv88e6xxx_cleanup(void)
4259 {
4260 	mdio_driver_unregister(&mv88e6xxx_driver);
4261 	unregister_switch_driver(&mv88e6xxx_switch_drv);
4262 }
4263 module_exit(mv88e6xxx_cleanup);
4264 
4265 MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>");
4266 MODULE_DESCRIPTION("Driver for Marvell 88E6XXX ethernet switch chips");
4267 MODULE_LICENSE("GPL");
4268