xref: /linux/drivers/net/dsa/mv88e6xxx/chip.c (revision 975ef7ff81bb000af6e6c8e63e81f89f3468dcf7)
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/platform_data/mv88e6xxx.h>
32 #include <linux/netdevice.h>
33 #include <linux/gpio/consumer.h>
34 #include <linux/phy.h>
35 #include <linux/phylink.h>
36 #include <net/dsa.h>
37 
38 #include "chip.h"
39 #include "global1.h"
40 #include "global2.h"
41 #include "hwtstamp.h"
42 #include "phy.h"
43 #include "port.h"
44 #include "ptp.h"
45 #include "serdes.h"
46 
47 static void assert_reg_lock(struct mv88e6xxx_chip *chip)
48 {
49 	if (unlikely(!mutex_is_locked(&chip->reg_lock))) {
50 		dev_err(chip->dev, "Switch registers lock not held!\n");
51 		dump_stack();
52 	}
53 }
54 
55 /* The switch ADDR[4:1] configuration pins define the chip SMI device address
56  * (ADDR[0] is always zero, thus only even SMI addresses can be strapped).
57  *
58  * When ADDR is all zero, the chip uses Single-chip Addressing Mode, assuming it
59  * is the only device connected to the SMI master. In this mode it responds to
60  * all 32 possible SMI addresses, and thus maps directly the internal devices.
61  *
62  * When ADDR is non-zero, the chip uses Multi-chip Addressing Mode, allowing
63  * multiple devices to share the SMI interface. In this mode it responds to only
64  * 2 registers, used to indirectly access the internal SMI devices.
65  */
66 
67 static int mv88e6xxx_smi_read(struct mv88e6xxx_chip *chip,
68 			      int addr, int reg, u16 *val)
69 {
70 	if (!chip->smi_ops)
71 		return -EOPNOTSUPP;
72 
73 	return chip->smi_ops->read(chip, addr, reg, val);
74 }
75 
76 static int mv88e6xxx_smi_write(struct mv88e6xxx_chip *chip,
77 			       int addr, int reg, u16 val)
78 {
79 	if (!chip->smi_ops)
80 		return -EOPNOTSUPP;
81 
82 	return chip->smi_ops->write(chip, addr, reg, val);
83 }
84 
85 static int mv88e6xxx_smi_single_chip_read(struct mv88e6xxx_chip *chip,
86 					  int addr, int reg, u16 *val)
87 {
88 	int ret;
89 
90 	ret = mdiobus_read_nested(chip->bus, addr, reg);
91 	if (ret < 0)
92 		return ret;
93 
94 	*val = ret & 0xffff;
95 
96 	return 0;
97 }
98 
99 static int mv88e6xxx_smi_single_chip_write(struct mv88e6xxx_chip *chip,
100 					   int addr, int reg, u16 val)
101 {
102 	int ret;
103 
104 	ret = mdiobus_write_nested(chip->bus, addr, reg, val);
105 	if (ret < 0)
106 		return ret;
107 
108 	return 0;
109 }
110 
111 static const struct mv88e6xxx_bus_ops mv88e6xxx_smi_single_chip_ops = {
112 	.read = mv88e6xxx_smi_single_chip_read,
113 	.write = mv88e6xxx_smi_single_chip_write,
114 };
115 
116 static int mv88e6xxx_smi_multi_chip_wait(struct mv88e6xxx_chip *chip)
117 {
118 	int ret;
119 	int i;
120 
121 	for (i = 0; i < 16; i++) {
122 		ret = mdiobus_read_nested(chip->bus, chip->sw_addr, SMI_CMD);
123 		if (ret < 0)
124 			return ret;
125 
126 		if ((ret & SMI_CMD_BUSY) == 0)
127 			return 0;
128 	}
129 
130 	return -ETIMEDOUT;
131 }
132 
133 static int mv88e6xxx_smi_multi_chip_read(struct mv88e6xxx_chip *chip,
134 					 int addr, int reg, u16 *val)
135 {
136 	int ret;
137 
138 	/* Wait for the bus to become free. */
139 	ret = mv88e6xxx_smi_multi_chip_wait(chip);
140 	if (ret < 0)
141 		return ret;
142 
143 	/* Transmit the read command. */
144 	ret = mdiobus_write_nested(chip->bus, chip->sw_addr, SMI_CMD,
145 				   SMI_CMD_OP_22_READ | (addr << 5) | reg);
146 	if (ret < 0)
147 		return ret;
148 
149 	/* Wait for the read command to complete. */
150 	ret = mv88e6xxx_smi_multi_chip_wait(chip);
151 	if (ret < 0)
152 		return ret;
153 
154 	/* Read the data. */
155 	ret = mdiobus_read_nested(chip->bus, chip->sw_addr, SMI_DATA);
156 	if (ret < 0)
157 		return ret;
158 
159 	*val = ret & 0xffff;
160 
161 	return 0;
162 }
163 
164 static int mv88e6xxx_smi_multi_chip_write(struct mv88e6xxx_chip *chip,
165 					  int addr, int reg, u16 val)
166 {
167 	int ret;
168 
169 	/* Wait for the bus to become free. */
170 	ret = mv88e6xxx_smi_multi_chip_wait(chip);
171 	if (ret < 0)
172 		return ret;
173 
174 	/* Transmit the data to write. */
175 	ret = mdiobus_write_nested(chip->bus, chip->sw_addr, SMI_DATA, val);
176 	if (ret < 0)
177 		return ret;
178 
179 	/* Transmit the write command. */
180 	ret = mdiobus_write_nested(chip->bus, chip->sw_addr, SMI_CMD,
181 				   SMI_CMD_OP_22_WRITE | (addr << 5) | reg);
182 	if (ret < 0)
183 		return ret;
184 
185 	/* Wait for the write command to complete. */
186 	ret = mv88e6xxx_smi_multi_chip_wait(chip);
187 	if (ret < 0)
188 		return ret;
189 
190 	return 0;
191 }
192 
193 static const struct mv88e6xxx_bus_ops mv88e6xxx_smi_multi_chip_ops = {
194 	.read = mv88e6xxx_smi_multi_chip_read,
195 	.write = mv88e6xxx_smi_multi_chip_write,
196 };
197 
198 int mv88e6xxx_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val)
199 {
200 	int err;
201 
202 	assert_reg_lock(chip);
203 
204 	err = mv88e6xxx_smi_read(chip, addr, reg, val);
205 	if (err)
206 		return err;
207 
208 	dev_dbg(chip->dev, "<- addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
209 		addr, reg, *val);
210 
211 	return 0;
212 }
213 
214 int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val)
215 {
216 	int err;
217 
218 	assert_reg_lock(chip);
219 
220 	err = mv88e6xxx_smi_write(chip, addr, reg, val);
221 	if (err)
222 		return err;
223 
224 	dev_dbg(chip->dev, "-> addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
225 		addr, reg, val);
226 
227 	return 0;
228 }
229 
230 struct mii_bus *mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip *chip)
231 {
232 	struct mv88e6xxx_mdio_bus *mdio_bus;
233 
234 	mdio_bus = list_first_entry(&chip->mdios, struct mv88e6xxx_mdio_bus,
235 				    list);
236 	if (!mdio_bus)
237 		return NULL;
238 
239 	return mdio_bus->bus;
240 }
241 
242 static void mv88e6xxx_g1_irq_mask(struct irq_data *d)
243 {
244 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
245 	unsigned int n = d->hwirq;
246 
247 	chip->g1_irq.masked |= (1 << n);
248 }
249 
250 static void mv88e6xxx_g1_irq_unmask(struct irq_data *d)
251 {
252 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
253 	unsigned int n = d->hwirq;
254 
255 	chip->g1_irq.masked &= ~(1 << n);
256 }
257 
258 static irqreturn_t mv88e6xxx_g1_irq_thread_work(struct mv88e6xxx_chip *chip)
259 {
260 	unsigned int nhandled = 0;
261 	unsigned int sub_irq;
262 	unsigned int n;
263 	u16 reg;
264 	int err;
265 
266 	mutex_lock(&chip->reg_lock);
267 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
268 	mutex_unlock(&chip->reg_lock);
269 
270 	if (err)
271 		goto out;
272 
273 	for (n = 0; n < chip->g1_irq.nirqs; ++n) {
274 		if (reg & (1 << n)) {
275 			sub_irq = irq_find_mapping(chip->g1_irq.domain, n);
276 			handle_nested_irq(sub_irq);
277 			++nhandled;
278 		}
279 	}
280 out:
281 	return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE);
282 }
283 
284 static irqreturn_t mv88e6xxx_g1_irq_thread_fn(int irq, void *dev_id)
285 {
286 	struct mv88e6xxx_chip *chip = dev_id;
287 
288 	return mv88e6xxx_g1_irq_thread_work(chip);
289 }
290 
291 static void mv88e6xxx_g1_irq_bus_lock(struct irq_data *d)
292 {
293 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
294 
295 	mutex_lock(&chip->reg_lock);
296 }
297 
298 static void mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data *d)
299 {
300 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
301 	u16 mask = GENMASK(chip->g1_irq.nirqs, 0);
302 	u16 reg;
303 	int err;
304 
305 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &reg);
306 	if (err)
307 		goto out;
308 
309 	reg &= ~mask;
310 	reg |= (~chip->g1_irq.masked & mask);
311 
312 	err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, reg);
313 	if (err)
314 		goto out;
315 
316 out:
317 	mutex_unlock(&chip->reg_lock);
318 }
319 
320 static const struct irq_chip mv88e6xxx_g1_irq_chip = {
321 	.name			= "mv88e6xxx-g1",
322 	.irq_mask		= mv88e6xxx_g1_irq_mask,
323 	.irq_unmask		= mv88e6xxx_g1_irq_unmask,
324 	.irq_bus_lock		= mv88e6xxx_g1_irq_bus_lock,
325 	.irq_bus_sync_unlock	= mv88e6xxx_g1_irq_bus_sync_unlock,
326 };
327 
328 static int mv88e6xxx_g1_irq_domain_map(struct irq_domain *d,
329 				       unsigned int irq,
330 				       irq_hw_number_t hwirq)
331 {
332 	struct mv88e6xxx_chip *chip = d->host_data;
333 
334 	irq_set_chip_data(irq, d->host_data);
335 	irq_set_chip_and_handler(irq, &chip->g1_irq.chip, handle_level_irq);
336 	irq_set_noprobe(irq);
337 
338 	return 0;
339 }
340 
341 static const struct irq_domain_ops mv88e6xxx_g1_irq_domain_ops = {
342 	.map	= mv88e6xxx_g1_irq_domain_map,
343 	.xlate	= irq_domain_xlate_twocell,
344 };
345 
346 static void mv88e6xxx_g1_irq_free_common(struct mv88e6xxx_chip *chip)
347 {
348 	int irq, virq;
349 	u16 mask;
350 
351 	mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
352 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
353 	mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
354 
355 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++) {
356 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
357 		irq_dispose_mapping(virq);
358 	}
359 
360 	irq_domain_remove(chip->g1_irq.domain);
361 }
362 
363 static void mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip *chip)
364 {
365 	mv88e6xxx_g1_irq_free_common(chip);
366 
367 	free_irq(chip->irq, chip);
368 }
369 
370 static int mv88e6xxx_g1_irq_setup_common(struct mv88e6xxx_chip *chip)
371 {
372 	int err, irq, virq;
373 	u16 reg, mask;
374 
375 	chip->g1_irq.nirqs = chip->info->g1_irqs;
376 	chip->g1_irq.domain = irq_domain_add_simple(
377 		NULL, chip->g1_irq.nirqs, 0,
378 		&mv88e6xxx_g1_irq_domain_ops, chip);
379 	if (!chip->g1_irq.domain)
380 		return -ENOMEM;
381 
382 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++)
383 		irq_create_mapping(chip->g1_irq.domain, irq);
384 
385 	chip->g1_irq.chip = mv88e6xxx_g1_irq_chip;
386 	chip->g1_irq.masked = ~0;
387 
388 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
389 	if (err)
390 		goto out_mapping;
391 
392 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
393 
394 	err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
395 	if (err)
396 		goto out_disable;
397 
398 	/* Reading the interrupt status clears (most of) them */
399 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
400 	if (err)
401 		goto out_disable;
402 
403 	return 0;
404 
405 out_disable:
406 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
407 	mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
408 
409 out_mapping:
410 	for (irq = 0; irq < 16; irq++) {
411 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
412 		irq_dispose_mapping(virq);
413 	}
414 
415 	irq_domain_remove(chip->g1_irq.domain);
416 
417 	return err;
418 }
419 
420 static int mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip *chip)
421 {
422 	int err;
423 
424 	err = mv88e6xxx_g1_irq_setup_common(chip);
425 	if (err)
426 		return err;
427 
428 	err = request_threaded_irq(chip->irq, NULL,
429 				   mv88e6xxx_g1_irq_thread_fn,
430 				   IRQF_ONESHOT,
431 				   dev_name(chip->dev), chip);
432 	if (err)
433 		mv88e6xxx_g1_irq_free_common(chip);
434 
435 	return err;
436 }
437 
438 static void mv88e6xxx_irq_poll(struct kthread_work *work)
439 {
440 	struct mv88e6xxx_chip *chip = container_of(work,
441 						   struct mv88e6xxx_chip,
442 						   irq_poll_work.work);
443 	mv88e6xxx_g1_irq_thread_work(chip);
444 
445 	kthread_queue_delayed_work(chip->kworker, &chip->irq_poll_work,
446 				   msecs_to_jiffies(100));
447 }
448 
449 static int mv88e6xxx_irq_poll_setup(struct mv88e6xxx_chip *chip)
450 {
451 	int err;
452 
453 	err = mv88e6xxx_g1_irq_setup_common(chip);
454 	if (err)
455 		return err;
456 
457 	kthread_init_delayed_work(&chip->irq_poll_work,
458 				  mv88e6xxx_irq_poll);
459 
460 	chip->kworker = kthread_create_worker(0, dev_name(chip->dev));
461 	if (IS_ERR(chip->kworker))
462 		return PTR_ERR(chip->kworker);
463 
464 	kthread_queue_delayed_work(chip->kworker, &chip->irq_poll_work,
465 				   msecs_to_jiffies(100));
466 
467 	return 0;
468 }
469 
470 static void mv88e6xxx_irq_poll_free(struct mv88e6xxx_chip *chip)
471 {
472 	mv88e6xxx_g1_irq_free_common(chip);
473 
474 	kthread_cancel_delayed_work_sync(&chip->irq_poll_work);
475 	kthread_destroy_worker(chip->kworker);
476 }
477 
478 int mv88e6xxx_wait(struct mv88e6xxx_chip *chip, int addr, int reg, u16 mask)
479 {
480 	int i;
481 
482 	for (i = 0; i < 16; i++) {
483 		u16 val;
484 		int err;
485 
486 		err = mv88e6xxx_read(chip, addr, reg, &val);
487 		if (err)
488 			return err;
489 
490 		if (!(val & mask))
491 			return 0;
492 
493 		usleep_range(1000, 2000);
494 	}
495 
496 	dev_err(chip->dev, "Timeout while waiting for switch\n");
497 	return -ETIMEDOUT;
498 }
499 
500 /* Indirect write to single pointer-data register with an Update bit */
501 int mv88e6xxx_update(struct mv88e6xxx_chip *chip, int addr, int reg, u16 update)
502 {
503 	u16 val;
504 	int err;
505 
506 	/* Wait until the previous operation is completed */
507 	err = mv88e6xxx_wait(chip, addr, reg, BIT(15));
508 	if (err)
509 		return err;
510 
511 	/* Set the Update bit to trigger a write operation */
512 	val = BIT(15) | update;
513 
514 	return mv88e6xxx_write(chip, addr, reg, val);
515 }
516 
517 static int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port,
518 				    int link, int speed, int duplex,
519 				    phy_interface_t mode)
520 {
521 	int err;
522 
523 	if (!chip->info->ops->port_set_link)
524 		return 0;
525 
526 	/* Port's MAC control must not be changed unless the link is down */
527 	err = chip->info->ops->port_set_link(chip, port, 0);
528 	if (err)
529 		return err;
530 
531 	if (chip->info->ops->port_set_speed) {
532 		err = chip->info->ops->port_set_speed(chip, port, speed);
533 		if (err && err != -EOPNOTSUPP)
534 			goto restore_link;
535 	}
536 
537 	if (chip->info->ops->port_set_duplex) {
538 		err = chip->info->ops->port_set_duplex(chip, port, duplex);
539 		if (err && err != -EOPNOTSUPP)
540 			goto restore_link;
541 	}
542 
543 	if (chip->info->ops->port_set_rgmii_delay) {
544 		err = chip->info->ops->port_set_rgmii_delay(chip, port, mode);
545 		if (err && err != -EOPNOTSUPP)
546 			goto restore_link;
547 	}
548 
549 	if (chip->info->ops->port_set_cmode) {
550 		err = chip->info->ops->port_set_cmode(chip, port, mode);
551 		if (err && err != -EOPNOTSUPP)
552 			goto restore_link;
553 	}
554 
555 	err = 0;
556 restore_link:
557 	if (chip->info->ops->port_set_link(chip, port, link))
558 		dev_err(chip->dev, "p%d: failed to restore MAC's link\n", port);
559 
560 	return err;
561 }
562 
563 /* We expect the switch to perform auto negotiation if there is a real
564  * phy. However, in the case of a fixed link phy, we force the port
565  * settings from the fixed link settings.
566  */
567 static void mv88e6xxx_adjust_link(struct dsa_switch *ds, int port,
568 				  struct phy_device *phydev)
569 {
570 	struct mv88e6xxx_chip *chip = ds->priv;
571 	int err;
572 
573 	if (!phy_is_pseudo_fixed_link(phydev))
574 		return;
575 
576 	mutex_lock(&chip->reg_lock);
577 	err = mv88e6xxx_port_setup_mac(chip, port, phydev->link, phydev->speed,
578 				       phydev->duplex, phydev->interface);
579 	mutex_unlock(&chip->reg_lock);
580 
581 	if (err && err != -EOPNOTSUPP)
582 		dev_err(ds->dev, "p%d: failed to configure MAC\n", port);
583 }
584 
585 static void mv88e6xxx_validate(struct dsa_switch *ds, int port,
586 			       unsigned long *supported,
587 			       struct phylink_link_state *state)
588 {
589 }
590 
591 static int mv88e6xxx_link_state(struct dsa_switch *ds, int port,
592 				struct phylink_link_state *state)
593 {
594 	struct mv88e6xxx_chip *chip = ds->priv;
595 	int err;
596 
597 	mutex_lock(&chip->reg_lock);
598 	err = mv88e6xxx_port_link_state(chip, port, state);
599 	mutex_unlock(&chip->reg_lock);
600 
601 	return err;
602 }
603 
604 static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port,
605 				 unsigned int mode,
606 				 const struct phylink_link_state *state)
607 {
608 	struct mv88e6xxx_chip *chip = ds->priv;
609 	int speed, duplex, link, err;
610 
611 	if (mode == MLO_AN_PHY)
612 		return;
613 
614 	if (mode == MLO_AN_FIXED) {
615 		link = LINK_FORCED_UP;
616 		speed = state->speed;
617 		duplex = state->duplex;
618 	} else {
619 		speed = SPEED_UNFORCED;
620 		duplex = DUPLEX_UNFORCED;
621 		link = LINK_UNFORCED;
622 	}
623 
624 	mutex_lock(&chip->reg_lock);
625 	err = mv88e6xxx_port_setup_mac(chip, port, link, speed, duplex,
626 				       state->interface);
627 	mutex_unlock(&chip->reg_lock);
628 
629 	if (err && err != -EOPNOTSUPP)
630 		dev_err(ds->dev, "p%d: failed to configure MAC\n", port);
631 }
632 
633 static void mv88e6xxx_mac_link_force(struct dsa_switch *ds, int port, int link)
634 {
635 	struct mv88e6xxx_chip *chip = ds->priv;
636 	int err;
637 
638 	mutex_lock(&chip->reg_lock);
639 	err = chip->info->ops->port_set_link(chip, port, link);
640 	mutex_unlock(&chip->reg_lock);
641 
642 	if (err)
643 		dev_err(chip->dev, "p%d: failed to force MAC link\n", port);
644 }
645 
646 static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port,
647 				    unsigned int mode,
648 				    phy_interface_t interface)
649 {
650 	if (mode == MLO_AN_FIXED)
651 		mv88e6xxx_mac_link_force(ds, port, LINK_FORCED_DOWN);
652 }
653 
654 static void mv88e6xxx_mac_link_up(struct dsa_switch *ds, int port,
655 				  unsigned int mode, phy_interface_t interface,
656 				  struct phy_device *phydev)
657 {
658 	if (mode == MLO_AN_FIXED)
659 		mv88e6xxx_mac_link_force(ds, port, LINK_FORCED_UP);
660 }
661 
662 static int mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip *chip, int port)
663 {
664 	if (!chip->info->ops->stats_snapshot)
665 		return -EOPNOTSUPP;
666 
667 	return chip->info->ops->stats_snapshot(chip, port);
668 }
669 
670 static struct mv88e6xxx_hw_stat mv88e6xxx_hw_stats[] = {
671 	{ "in_good_octets",		8, 0x00, STATS_TYPE_BANK0, },
672 	{ "in_bad_octets",		4, 0x02, STATS_TYPE_BANK0, },
673 	{ "in_unicast",			4, 0x04, STATS_TYPE_BANK0, },
674 	{ "in_broadcasts",		4, 0x06, STATS_TYPE_BANK0, },
675 	{ "in_multicasts",		4, 0x07, STATS_TYPE_BANK0, },
676 	{ "in_pause",			4, 0x16, STATS_TYPE_BANK0, },
677 	{ "in_undersize",		4, 0x18, STATS_TYPE_BANK0, },
678 	{ "in_fragments",		4, 0x19, STATS_TYPE_BANK0, },
679 	{ "in_oversize",		4, 0x1a, STATS_TYPE_BANK0, },
680 	{ "in_jabber",			4, 0x1b, STATS_TYPE_BANK0, },
681 	{ "in_rx_error",		4, 0x1c, STATS_TYPE_BANK0, },
682 	{ "in_fcs_error",		4, 0x1d, STATS_TYPE_BANK0, },
683 	{ "out_octets",			8, 0x0e, STATS_TYPE_BANK0, },
684 	{ "out_unicast",		4, 0x10, STATS_TYPE_BANK0, },
685 	{ "out_broadcasts",		4, 0x13, STATS_TYPE_BANK0, },
686 	{ "out_multicasts",		4, 0x12, STATS_TYPE_BANK0, },
687 	{ "out_pause",			4, 0x15, STATS_TYPE_BANK0, },
688 	{ "excessive",			4, 0x11, STATS_TYPE_BANK0, },
689 	{ "collisions",			4, 0x1e, STATS_TYPE_BANK0, },
690 	{ "deferred",			4, 0x05, STATS_TYPE_BANK0, },
691 	{ "single",			4, 0x14, STATS_TYPE_BANK0, },
692 	{ "multiple",			4, 0x17, STATS_TYPE_BANK0, },
693 	{ "out_fcs_error",		4, 0x03, STATS_TYPE_BANK0, },
694 	{ "late",			4, 0x1f, STATS_TYPE_BANK0, },
695 	{ "hist_64bytes",		4, 0x08, STATS_TYPE_BANK0, },
696 	{ "hist_65_127bytes",		4, 0x09, STATS_TYPE_BANK0, },
697 	{ "hist_128_255bytes",		4, 0x0a, STATS_TYPE_BANK0, },
698 	{ "hist_256_511bytes",		4, 0x0b, STATS_TYPE_BANK0, },
699 	{ "hist_512_1023bytes",		4, 0x0c, STATS_TYPE_BANK0, },
700 	{ "hist_1024_max_bytes",	4, 0x0d, STATS_TYPE_BANK0, },
701 	{ "sw_in_discards",		4, 0x10, STATS_TYPE_PORT, },
702 	{ "sw_in_filtered",		2, 0x12, STATS_TYPE_PORT, },
703 	{ "sw_out_filtered",		2, 0x13, STATS_TYPE_PORT, },
704 	{ "in_discards",		4, 0x00, STATS_TYPE_BANK1, },
705 	{ "in_filtered",		4, 0x01, STATS_TYPE_BANK1, },
706 	{ "in_accepted",		4, 0x02, STATS_TYPE_BANK1, },
707 	{ "in_bad_accepted",		4, 0x03, STATS_TYPE_BANK1, },
708 	{ "in_good_avb_class_a",	4, 0x04, STATS_TYPE_BANK1, },
709 	{ "in_good_avb_class_b",	4, 0x05, STATS_TYPE_BANK1, },
710 	{ "in_bad_avb_class_a",		4, 0x06, STATS_TYPE_BANK1, },
711 	{ "in_bad_avb_class_b",		4, 0x07, STATS_TYPE_BANK1, },
712 	{ "tcam_counter_0",		4, 0x08, STATS_TYPE_BANK1, },
713 	{ "tcam_counter_1",		4, 0x09, STATS_TYPE_BANK1, },
714 	{ "tcam_counter_2",		4, 0x0a, STATS_TYPE_BANK1, },
715 	{ "tcam_counter_3",		4, 0x0b, STATS_TYPE_BANK1, },
716 	{ "in_da_unknown",		4, 0x0e, STATS_TYPE_BANK1, },
717 	{ "in_management",		4, 0x0f, STATS_TYPE_BANK1, },
718 	{ "out_queue_0",		4, 0x10, STATS_TYPE_BANK1, },
719 	{ "out_queue_1",		4, 0x11, STATS_TYPE_BANK1, },
720 	{ "out_queue_2",		4, 0x12, STATS_TYPE_BANK1, },
721 	{ "out_queue_3",		4, 0x13, STATS_TYPE_BANK1, },
722 	{ "out_queue_4",		4, 0x14, STATS_TYPE_BANK1, },
723 	{ "out_queue_5",		4, 0x15, STATS_TYPE_BANK1, },
724 	{ "out_queue_6",		4, 0x16, STATS_TYPE_BANK1, },
725 	{ "out_queue_7",		4, 0x17, STATS_TYPE_BANK1, },
726 	{ "out_cut_through",		4, 0x18, STATS_TYPE_BANK1, },
727 	{ "out_octets_a",		4, 0x1a, STATS_TYPE_BANK1, },
728 	{ "out_octets_b",		4, 0x1b, STATS_TYPE_BANK1, },
729 	{ "out_management",		4, 0x1f, STATS_TYPE_BANK1, },
730 };
731 
732 static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip,
733 					    struct mv88e6xxx_hw_stat *s,
734 					    int port, u16 bank1_select,
735 					    u16 histogram)
736 {
737 	u32 low;
738 	u32 high = 0;
739 	u16 reg = 0;
740 	int err;
741 	u64 value;
742 
743 	switch (s->type) {
744 	case STATS_TYPE_PORT:
745 		err = mv88e6xxx_port_read(chip, port, s->reg, &reg);
746 		if (err)
747 			return U64_MAX;
748 
749 		low = reg;
750 		if (s->size == 4) {
751 			err = mv88e6xxx_port_read(chip, port, s->reg + 1, &reg);
752 			if (err)
753 				return U64_MAX;
754 			high = reg;
755 		}
756 		break;
757 	case STATS_TYPE_BANK1:
758 		reg = bank1_select;
759 		/* fall through */
760 	case STATS_TYPE_BANK0:
761 		reg |= s->reg | histogram;
762 		mv88e6xxx_g1_stats_read(chip, reg, &low);
763 		if (s->size == 8)
764 			mv88e6xxx_g1_stats_read(chip, reg + 1, &high);
765 		break;
766 	default:
767 		return U64_MAX;
768 	}
769 	value = (((u64)high) << 16) | low;
770 	return value;
771 }
772 
773 static int mv88e6xxx_stats_get_strings(struct mv88e6xxx_chip *chip,
774 				       uint8_t *data, int types)
775 {
776 	struct mv88e6xxx_hw_stat *stat;
777 	int i, j;
778 
779 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
780 		stat = &mv88e6xxx_hw_stats[i];
781 		if (stat->type & types) {
782 			memcpy(data + j * ETH_GSTRING_LEN, stat->string,
783 			       ETH_GSTRING_LEN);
784 			j++;
785 		}
786 	}
787 
788 	return j;
789 }
790 
791 static int mv88e6095_stats_get_strings(struct mv88e6xxx_chip *chip,
792 				       uint8_t *data)
793 {
794 	return mv88e6xxx_stats_get_strings(chip, data,
795 					   STATS_TYPE_BANK0 | STATS_TYPE_PORT);
796 }
797 
798 static int mv88e6320_stats_get_strings(struct mv88e6xxx_chip *chip,
799 				       uint8_t *data)
800 {
801 	return mv88e6xxx_stats_get_strings(chip, data,
802 					   STATS_TYPE_BANK0 | STATS_TYPE_BANK1);
803 }
804 
805 static const uint8_t *mv88e6xxx_atu_vtu_stats_strings[] = {
806 	"atu_member_violation",
807 	"atu_miss_violation",
808 	"atu_full_violation",
809 	"vtu_member_violation",
810 	"vtu_miss_violation",
811 };
812 
813 static void mv88e6xxx_atu_vtu_get_strings(uint8_t *data)
814 {
815 	unsigned int i;
816 
817 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings); i++)
818 		strlcpy(data + i * ETH_GSTRING_LEN,
819 			mv88e6xxx_atu_vtu_stats_strings[i],
820 			ETH_GSTRING_LEN);
821 }
822 
823 static void mv88e6xxx_get_strings(struct dsa_switch *ds, int port,
824 				  u32 stringset, uint8_t *data)
825 {
826 	struct mv88e6xxx_chip *chip = ds->priv;
827 	int count = 0;
828 
829 	if (stringset != ETH_SS_STATS)
830 		return;
831 
832 	mutex_lock(&chip->reg_lock);
833 
834 	if (chip->info->ops->stats_get_strings)
835 		count = chip->info->ops->stats_get_strings(chip, data);
836 
837 	if (chip->info->ops->serdes_get_strings) {
838 		data += count * ETH_GSTRING_LEN;
839 		count = chip->info->ops->serdes_get_strings(chip, port, data);
840 	}
841 
842 	data += count * ETH_GSTRING_LEN;
843 	mv88e6xxx_atu_vtu_get_strings(data);
844 
845 	mutex_unlock(&chip->reg_lock);
846 }
847 
848 static int mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip *chip,
849 					  int types)
850 {
851 	struct mv88e6xxx_hw_stat *stat;
852 	int i, j;
853 
854 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
855 		stat = &mv88e6xxx_hw_stats[i];
856 		if (stat->type & types)
857 			j++;
858 	}
859 	return j;
860 }
861 
862 static int mv88e6095_stats_get_sset_count(struct mv88e6xxx_chip *chip)
863 {
864 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
865 					      STATS_TYPE_PORT);
866 }
867 
868 static int mv88e6320_stats_get_sset_count(struct mv88e6xxx_chip *chip)
869 {
870 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
871 					      STATS_TYPE_BANK1);
872 }
873 
874 static int mv88e6xxx_get_sset_count(struct dsa_switch *ds, int port, int sset)
875 {
876 	struct mv88e6xxx_chip *chip = ds->priv;
877 	int serdes_count = 0;
878 	int count = 0;
879 
880 	if (sset != ETH_SS_STATS)
881 		return 0;
882 
883 	mutex_lock(&chip->reg_lock);
884 	if (chip->info->ops->stats_get_sset_count)
885 		count = chip->info->ops->stats_get_sset_count(chip);
886 	if (count < 0)
887 		goto out;
888 
889 	if (chip->info->ops->serdes_get_sset_count)
890 		serdes_count = chip->info->ops->serdes_get_sset_count(chip,
891 								      port);
892 	if (serdes_count < 0) {
893 		count = serdes_count;
894 		goto out;
895 	}
896 	count += serdes_count;
897 	count += ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings);
898 
899 out:
900 	mutex_unlock(&chip->reg_lock);
901 
902 	return count;
903 }
904 
905 static int mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
906 				     uint64_t *data, int types,
907 				     u16 bank1_select, u16 histogram)
908 {
909 	struct mv88e6xxx_hw_stat *stat;
910 	int i, j;
911 
912 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
913 		stat = &mv88e6xxx_hw_stats[i];
914 		if (stat->type & types) {
915 			mutex_lock(&chip->reg_lock);
916 			data[j] = _mv88e6xxx_get_ethtool_stat(chip, stat, port,
917 							      bank1_select,
918 							      histogram);
919 			mutex_unlock(&chip->reg_lock);
920 
921 			j++;
922 		}
923 	}
924 	return j;
925 }
926 
927 static int mv88e6095_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
928 				     uint64_t *data)
929 {
930 	return mv88e6xxx_stats_get_stats(chip, port, data,
931 					 STATS_TYPE_BANK0 | STATS_TYPE_PORT,
932 					 0, MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
933 }
934 
935 static int mv88e6320_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
936 				     uint64_t *data)
937 {
938 	return mv88e6xxx_stats_get_stats(chip, port, data,
939 					 STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
940 					 MV88E6XXX_G1_STATS_OP_BANK_1_BIT_9,
941 					 MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
942 }
943 
944 static int mv88e6390_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
945 				     uint64_t *data)
946 {
947 	return mv88e6xxx_stats_get_stats(chip, port, data,
948 					 STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
949 					 MV88E6XXX_G1_STATS_OP_BANK_1_BIT_10,
950 					 0);
951 }
952 
953 static void mv88e6xxx_atu_vtu_get_stats(struct mv88e6xxx_chip *chip, int port,
954 					uint64_t *data)
955 {
956 	*data++ = chip->ports[port].atu_member_violation;
957 	*data++ = chip->ports[port].atu_miss_violation;
958 	*data++ = chip->ports[port].atu_full_violation;
959 	*data++ = chip->ports[port].vtu_member_violation;
960 	*data++ = chip->ports[port].vtu_miss_violation;
961 }
962 
963 static void mv88e6xxx_get_stats(struct mv88e6xxx_chip *chip, int port,
964 				uint64_t *data)
965 {
966 	int count = 0;
967 
968 	if (chip->info->ops->stats_get_stats)
969 		count = chip->info->ops->stats_get_stats(chip, port, data);
970 
971 	mutex_lock(&chip->reg_lock);
972 	if (chip->info->ops->serdes_get_stats) {
973 		data += count;
974 		count = chip->info->ops->serdes_get_stats(chip, port, data);
975 	}
976 	data += count;
977 	mv88e6xxx_atu_vtu_get_stats(chip, port, data);
978 	mutex_unlock(&chip->reg_lock);
979 }
980 
981 static void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds, int port,
982 					uint64_t *data)
983 {
984 	struct mv88e6xxx_chip *chip = ds->priv;
985 	int ret;
986 
987 	mutex_lock(&chip->reg_lock);
988 
989 	ret = mv88e6xxx_stats_snapshot(chip, port);
990 	mutex_unlock(&chip->reg_lock);
991 
992 	if (ret < 0)
993 		return;
994 
995 	mv88e6xxx_get_stats(chip, port, data);
996 
997 }
998 
999 static int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port)
1000 {
1001 	return 32 * sizeof(u16);
1002 }
1003 
1004 static void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,
1005 			       struct ethtool_regs *regs, void *_p)
1006 {
1007 	struct mv88e6xxx_chip *chip = ds->priv;
1008 	int err;
1009 	u16 reg;
1010 	u16 *p = _p;
1011 	int i;
1012 
1013 	regs->version = 0;
1014 
1015 	memset(p, 0xff, 32 * sizeof(u16));
1016 
1017 	mutex_lock(&chip->reg_lock);
1018 
1019 	for (i = 0; i < 32; i++) {
1020 
1021 		err = mv88e6xxx_port_read(chip, port, i, &reg);
1022 		if (!err)
1023 			p[i] = reg;
1024 	}
1025 
1026 	mutex_unlock(&chip->reg_lock);
1027 }
1028 
1029 static int mv88e6xxx_get_mac_eee(struct dsa_switch *ds, int port,
1030 				 struct ethtool_eee *e)
1031 {
1032 	/* Nothing to do on the port's MAC */
1033 	return 0;
1034 }
1035 
1036 static int mv88e6xxx_set_mac_eee(struct dsa_switch *ds, int port,
1037 				 struct ethtool_eee *e)
1038 {
1039 	/* Nothing to do on the port's MAC */
1040 	return 0;
1041 }
1042 
1043 static u16 mv88e6xxx_port_vlan(struct mv88e6xxx_chip *chip, int dev, int port)
1044 {
1045 	struct dsa_switch *ds = NULL;
1046 	struct net_device *br;
1047 	u16 pvlan;
1048 	int i;
1049 
1050 	if (dev < DSA_MAX_SWITCHES)
1051 		ds = chip->ds->dst->ds[dev];
1052 
1053 	/* Prevent frames from unknown switch or port */
1054 	if (!ds || port >= ds->num_ports)
1055 		return 0;
1056 
1057 	/* Frames from DSA links and CPU ports can egress any local port */
1058 	if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))
1059 		return mv88e6xxx_port_mask(chip);
1060 
1061 	br = ds->ports[port].bridge_dev;
1062 	pvlan = 0;
1063 
1064 	/* Frames from user ports can egress any local DSA links and CPU ports,
1065 	 * as well as any local member of their bridge group.
1066 	 */
1067 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
1068 		if (dsa_is_cpu_port(chip->ds, i) ||
1069 		    dsa_is_dsa_port(chip->ds, i) ||
1070 		    (br && dsa_to_port(chip->ds, i)->bridge_dev == br))
1071 			pvlan |= BIT(i);
1072 
1073 	return pvlan;
1074 }
1075 
1076 static int mv88e6xxx_port_vlan_map(struct mv88e6xxx_chip *chip, int port)
1077 {
1078 	u16 output_ports = mv88e6xxx_port_vlan(chip, chip->ds->index, port);
1079 
1080 	/* prevent frames from going back out of the port they came in on */
1081 	output_ports &= ~BIT(port);
1082 
1083 	return mv88e6xxx_port_set_vlan_map(chip, port, output_ports);
1084 }
1085 
1086 static void mv88e6xxx_port_stp_state_set(struct dsa_switch *ds, int port,
1087 					 u8 state)
1088 {
1089 	struct mv88e6xxx_chip *chip = ds->priv;
1090 	int err;
1091 
1092 	mutex_lock(&chip->reg_lock);
1093 	err = mv88e6xxx_port_set_state(chip, port, state);
1094 	mutex_unlock(&chip->reg_lock);
1095 
1096 	if (err)
1097 		dev_err(ds->dev, "p%d: failed to update state\n", port);
1098 }
1099 
1100 static int mv88e6xxx_pri_setup(struct mv88e6xxx_chip *chip)
1101 {
1102 	int err;
1103 
1104 	if (chip->info->ops->ieee_pri_map) {
1105 		err = chip->info->ops->ieee_pri_map(chip);
1106 		if (err)
1107 			return err;
1108 	}
1109 
1110 	if (chip->info->ops->ip_pri_map) {
1111 		err = chip->info->ops->ip_pri_map(chip);
1112 		if (err)
1113 			return err;
1114 	}
1115 
1116 	return 0;
1117 }
1118 
1119 static int mv88e6xxx_devmap_setup(struct mv88e6xxx_chip *chip)
1120 {
1121 	int target, port;
1122 	int err;
1123 
1124 	if (!chip->info->global2_addr)
1125 		return 0;
1126 
1127 	/* Initialize the routing port to the 32 possible target devices */
1128 	for (target = 0; target < 32; target++) {
1129 		port = 0x1f;
1130 		if (target < DSA_MAX_SWITCHES)
1131 			if (chip->ds->rtable[target] != DSA_RTABLE_NONE)
1132 				port = chip->ds->rtable[target];
1133 
1134 		err = mv88e6xxx_g2_device_mapping_write(chip, target, port);
1135 		if (err)
1136 			return err;
1137 	}
1138 
1139 	if (chip->info->ops->set_cascade_port) {
1140 		port = MV88E6XXX_CASCADE_PORT_MULTIPLE;
1141 		err = chip->info->ops->set_cascade_port(chip, port);
1142 		if (err)
1143 			return err;
1144 	}
1145 
1146 	err = mv88e6xxx_g1_set_device_number(chip, chip->ds->index);
1147 	if (err)
1148 		return err;
1149 
1150 	return 0;
1151 }
1152 
1153 static int mv88e6xxx_trunk_setup(struct mv88e6xxx_chip *chip)
1154 {
1155 	/* Clear all trunk masks and mapping */
1156 	if (chip->info->global2_addr)
1157 		return mv88e6xxx_g2_trunk_clear(chip);
1158 
1159 	return 0;
1160 }
1161 
1162 static int mv88e6xxx_rmu_setup(struct mv88e6xxx_chip *chip)
1163 {
1164 	if (chip->info->ops->rmu_disable)
1165 		return chip->info->ops->rmu_disable(chip);
1166 
1167 	return 0;
1168 }
1169 
1170 static int mv88e6xxx_pot_setup(struct mv88e6xxx_chip *chip)
1171 {
1172 	if (chip->info->ops->pot_clear)
1173 		return chip->info->ops->pot_clear(chip);
1174 
1175 	return 0;
1176 }
1177 
1178 static int mv88e6xxx_rsvd2cpu_setup(struct mv88e6xxx_chip *chip)
1179 {
1180 	if (chip->info->ops->mgmt_rsvd2cpu)
1181 		return chip->info->ops->mgmt_rsvd2cpu(chip);
1182 
1183 	return 0;
1184 }
1185 
1186 static int mv88e6xxx_atu_setup(struct mv88e6xxx_chip *chip)
1187 {
1188 	int err;
1189 
1190 	err = mv88e6xxx_g1_atu_flush(chip, 0, true);
1191 	if (err)
1192 		return err;
1193 
1194 	err = mv88e6xxx_g1_atu_set_learn2all(chip, true);
1195 	if (err)
1196 		return err;
1197 
1198 	return mv88e6xxx_g1_atu_set_age_time(chip, 300000);
1199 }
1200 
1201 static int mv88e6xxx_irl_setup(struct mv88e6xxx_chip *chip)
1202 {
1203 	int port;
1204 	int err;
1205 
1206 	if (!chip->info->ops->irl_init_all)
1207 		return 0;
1208 
1209 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
1210 		/* Disable ingress rate limiting by resetting all per port
1211 		 * ingress rate limit resources to their initial state.
1212 		 */
1213 		err = chip->info->ops->irl_init_all(chip, port);
1214 		if (err)
1215 			return err;
1216 	}
1217 
1218 	return 0;
1219 }
1220 
1221 static int mv88e6xxx_mac_setup(struct mv88e6xxx_chip *chip)
1222 {
1223 	if (chip->info->ops->set_switch_mac) {
1224 		u8 addr[ETH_ALEN];
1225 
1226 		eth_random_addr(addr);
1227 
1228 		return chip->info->ops->set_switch_mac(chip, addr);
1229 	}
1230 
1231 	return 0;
1232 }
1233 
1234 static int mv88e6xxx_pvt_map(struct mv88e6xxx_chip *chip, int dev, int port)
1235 {
1236 	u16 pvlan = 0;
1237 
1238 	if (!mv88e6xxx_has_pvt(chip))
1239 		return -EOPNOTSUPP;
1240 
1241 	/* Skip the local source device, which uses in-chip port VLAN */
1242 	if (dev != chip->ds->index)
1243 		pvlan = mv88e6xxx_port_vlan(chip, dev, port);
1244 
1245 	return mv88e6xxx_g2_pvt_write(chip, dev, port, pvlan);
1246 }
1247 
1248 static int mv88e6xxx_pvt_setup(struct mv88e6xxx_chip *chip)
1249 {
1250 	int dev, port;
1251 	int err;
1252 
1253 	if (!mv88e6xxx_has_pvt(chip))
1254 		return 0;
1255 
1256 	/* Clear 5 Bit Port for usage with Marvell Link Street devices:
1257 	 * use 4 bits for the Src_Port/Src_Trunk and 5 bits for the Src_Dev.
1258 	 */
1259 	err = mv88e6xxx_g2_misc_4_bit_port(chip);
1260 	if (err)
1261 		return err;
1262 
1263 	for (dev = 0; dev < MV88E6XXX_MAX_PVT_SWITCHES; ++dev) {
1264 		for (port = 0; port < MV88E6XXX_MAX_PVT_PORTS; ++port) {
1265 			err = mv88e6xxx_pvt_map(chip, dev, port);
1266 			if (err)
1267 				return err;
1268 		}
1269 	}
1270 
1271 	return 0;
1272 }
1273 
1274 static void mv88e6xxx_port_fast_age(struct dsa_switch *ds, int port)
1275 {
1276 	struct mv88e6xxx_chip *chip = ds->priv;
1277 	int err;
1278 
1279 	mutex_lock(&chip->reg_lock);
1280 	err = mv88e6xxx_g1_atu_remove(chip, 0, port, false);
1281 	mutex_unlock(&chip->reg_lock);
1282 
1283 	if (err)
1284 		dev_err(ds->dev, "p%d: failed to flush ATU\n", port);
1285 }
1286 
1287 static int mv88e6xxx_vtu_setup(struct mv88e6xxx_chip *chip)
1288 {
1289 	if (!chip->info->max_vid)
1290 		return 0;
1291 
1292 	return mv88e6xxx_g1_vtu_flush(chip);
1293 }
1294 
1295 static int mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
1296 				 struct mv88e6xxx_vtu_entry *entry)
1297 {
1298 	if (!chip->info->ops->vtu_getnext)
1299 		return -EOPNOTSUPP;
1300 
1301 	return chip->info->ops->vtu_getnext(chip, entry);
1302 }
1303 
1304 static int mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
1305 				   struct mv88e6xxx_vtu_entry *entry)
1306 {
1307 	if (!chip->info->ops->vtu_loadpurge)
1308 		return -EOPNOTSUPP;
1309 
1310 	return chip->info->ops->vtu_loadpurge(chip, entry);
1311 }
1312 
1313 static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
1314 {
1315 	DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID);
1316 	struct mv88e6xxx_vtu_entry vlan = {
1317 		.vid = chip->info->max_vid,
1318 	};
1319 	int i, err;
1320 
1321 	bitmap_zero(fid_bitmap, MV88E6XXX_N_FID);
1322 
1323 	/* Set every FID bit used by the (un)bridged ports */
1324 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
1325 		err = mv88e6xxx_port_get_fid(chip, i, fid);
1326 		if (err)
1327 			return err;
1328 
1329 		set_bit(*fid, fid_bitmap);
1330 	}
1331 
1332 	/* Set every FID bit used by the VLAN entries */
1333 	do {
1334 		err = mv88e6xxx_vtu_getnext(chip, &vlan);
1335 		if (err)
1336 			return err;
1337 
1338 		if (!vlan.valid)
1339 			break;
1340 
1341 		set_bit(vlan.fid, fid_bitmap);
1342 	} while (vlan.vid < chip->info->max_vid);
1343 
1344 	/* The reset value 0x000 is used to indicate that multiple address
1345 	 * databases are not needed. Return the next positive available.
1346 	 */
1347 	*fid = find_next_zero_bit(fid_bitmap, MV88E6XXX_N_FID, 1);
1348 	if (unlikely(*fid >= mv88e6xxx_num_databases(chip)))
1349 		return -ENOSPC;
1350 
1351 	/* Clear the database */
1352 	return mv88e6xxx_g1_atu_flush(chip, *fid, true);
1353 }
1354 
1355 static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
1356 			     struct mv88e6xxx_vtu_entry *entry, bool new)
1357 {
1358 	int err;
1359 
1360 	if (!vid)
1361 		return -EINVAL;
1362 
1363 	entry->vid = vid - 1;
1364 	entry->valid = false;
1365 
1366 	err = mv88e6xxx_vtu_getnext(chip, entry);
1367 	if (err)
1368 		return err;
1369 
1370 	if (entry->vid == vid && entry->valid)
1371 		return 0;
1372 
1373 	if (new) {
1374 		int i;
1375 
1376 		/* Initialize a fresh VLAN entry */
1377 		memset(entry, 0, sizeof(*entry));
1378 		entry->valid = true;
1379 		entry->vid = vid;
1380 
1381 		/* Exclude all ports */
1382 		for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
1383 			entry->member[i] =
1384 				MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
1385 
1386 		return mv88e6xxx_atu_new(chip, &entry->fid);
1387 	}
1388 
1389 	/* switchdev expects -EOPNOTSUPP to honor software VLANs */
1390 	return -EOPNOTSUPP;
1391 }
1392 
1393 static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
1394 					u16 vid_begin, u16 vid_end)
1395 {
1396 	struct mv88e6xxx_chip *chip = ds->priv;
1397 	struct mv88e6xxx_vtu_entry vlan = {
1398 		.vid = vid_begin - 1,
1399 	};
1400 	int i, err;
1401 
1402 	/* DSA and CPU ports have to be members of multiple vlans */
1403 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
1404 		return 0;
1405 
1406 	if (!vid_begin)
1407 		return -EOPNOTSUPP;
1408 
1409 	mutex_lock(&chip->reg_lock);
1410 
1411 	do {
1412 		err = mv88e6xxx_vtu_getnext(chip, &vlan);
1413 		if (err)
1414 			goto unlock;
1415 
1416 		if (!vlan.valid)
1417 			break;
1418 
1419 		if (vlan.vid > vid_end)
1420 			break;
1421 
1422 		for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
1423 			if (dsa_is_dsa_port(ds, i) || dsa_is_cpu_port(ds, i))
1424 				continue;
1425 
1426 			if (!ds->ports[i].slave)
1427 				continue;
1428 
1429 			if (vlan.member[i] ==
1430 			    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
1431 				continue;
1432 
1433 			if (dsa_to_port(ds, i)->bridge_dev ==
1434 			    ds->ports[port].bridge_dev)
1435 				break; /* same bridge, check next VLAN */
1436 
1437 			if (!dsa_to_port(ds, i)->bridge_dev)
1438 				continue;
1439 
1440 			dev_err(ds->dev, "p%d: hw VLAN %d already used by port %d in %s\n",
1441 				port, vlan.vid, i,
1442 				netdev_name(dsa_to_port(ds, i)->bridge_dev));
1443 			err = -EOPNOTSUPP;
1444 			goto unlock;
1445 		}
1446 	} while (vlan.vid < vid_end);
1447 
1448 unlock:
1449 	mutex_unlock(&chip->reg_lock);
1450 
1451 	return err;
1452 }
1453 
1454 static int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
1455 					 bool vlan_filtering)
1456 {
1457 	struct mv88e6xxx_chip *chip = ds->priv;
1458 	u16 mode = vlan_filtering ? MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE :
1459 		MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED;
1460 	int err;
1461 
1462 	if (!chip->info->max_vid)
1463 		return -EOPNOTSUPP;
1464 
1465 	mutex_lock(&chip->reg_lock);
1466 	err = mv88e6xxx_port_set_8021q_mode(chip, port, mode);
1467 	mutex_unlock(&chip->reg_lock);
1468 
1469 	return err;
1470 }
1471 
1472 static int
1473 mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port,
1474 			    const struct switchdev_obj_port_vlan *vlan)
1475 {
1476 	struct mv88e6xxx_chip *chip = ds->priv;
1477 	int err;
1478 
1479 	if (!chip->info->max_vid)
1480 		return -EOPNOTSUPP;
1481 
1482 	/* If the requested port doesn't belong to the same bridge as the VLAN
1483 	 * members, do not support it (yet) and fallback to software VLAN.
1484 	 */
1485 	err = mv88e6xxx_port_check_hw_vlan(ds, port, vlan->vid_begin,
1486 					   vlan->vid_end);
1487 	if (err)
1488 		return err;
1489 
1490 	/* We don't need any dynamic resource from the kernel (yet),
1491 	 * so skip the prepare phase.
1492 	 */
1493 	return 0;
1494 }
1495 
1496 static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port,
1497 					const unsigned char *addr, u16 vid,
1498 					u8 state)
1499 {
1500 	struct mv88e6xxx_vtu_entry vlan;
1501 	struct mv88e6xxx_atu_entry entry;
1502 	int err;
1503 
1504 	/* Null VLAN ID corresponds to the port private database */
1505 	if (vid == 0)
1506 		err = mv88e6xxx_port_get_fid(chip, port, &vlan.fid);
1507 	else
1508 		err = mv88e6xxx_vtu_get(chip, vid, &vlan, false);
1509 	if (err)
1510 		return err;
1511 
1512 	entry.state = MV88E6XXX_G1_ATU_DATA_STATE_UNUSED;
1513 	ether_addr_copy(entry.mac, addr);
1514 	eth_addr_dec(entry.mac);
1515 
1516 	err = mv88e6xxx_g1_atu_getnext(chip, vlan.fid, &entry);
1517 	if (err)
1518 		return err;
1519 
1520 	/* Initialize a fresh ATU entry if it isn't found */
1521 	if (entry.state == MV88E6XXX_G1_ATU_DATA_STATE_UNUSED ||
1522 	    !ether_addr_equal(entry.mac, addr)) {
1523 		memset(&entry, 0, sizeof(entry));
1524 		ether_addr_copy(entry.mac, addr);
1525 	}
1526 
1527 	/* Purge the ATU entry only if no port is using it anymore */
1528 	if (state == MV88E6XXX_G1_ATU_DATA_STATE_UNUSED) {
1529 		entry.portvec &= ~BIT(port);
1530 		if (!entry.portvec)
1531 			entry.state = MV88E6XXX_G1_ATU_DATA_STATE_UNUSED;
1532 	} else {
1533 		entry.portvec |= BIT(port);
1534 		entry.state = state;
1535 	}
1536 
1537 	return mv88e6xxx_g1_atu_loadpurge(chip, vlan.fid, &entry);
1538 }
1539 
1540 static int mv88e6xxx_port_add_broadcast(struct mv88e6xxx_chip *chip, int port,
1541 					u16 vid)
1542 {
1543 	const char broadcast[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1544 	u8 state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC;
1545 
1546 	return mv88e6xxx_port_db_load_purge(chip, port, broadcast, vid, state);
1547 }
1548 
1549 static int mv88e6xxx_broadcast_setup(struct mv88e6xxx_chip *chip, u16 vid)
1550 {
1551 	int port;
1552 	int err;
1553 
1554 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
1555 		err = mv88e6xxx_port_add_broadcast(chip, port, vid);
1556 		if (err)
1557 			return err;
1558 	}
1559 
1560 	return 0;
1561 }
1562 
1563 static int _mv88e6xxx_port_vlan_add(struct mv88e6xxx_chip *chip, int port,
1564 				    u16 vid, u8 member)
1565 {
1566 	struct mv88e6xxx_vtu_entry vlan;
1567 	int err;
1568 
1569 	err = mv88e6xxx_vtu_get(chip, vid, &vlan, true);
1570 	if (err)
1571 		return err;
1572 
1573 	vlan.member[port] = member;
1574 
1575 	err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
1576 	if (err)
1577 		return err;
1578 
1579 	return mv88e6xxx_broadcast_setup(chip, vid);
1580 }
1581 
1582 static void mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
1583 				    const struct switchdev_obj_port_vlan *vlan)
1584 {
1585 	struct mv88e6xxx_chip *chip = ds->priv;
1586 	bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
1587 	bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
1588 	u8 member;
1589 	u16 vid;
1590 
1591 	if (!chip->info->max_vid)
1592 		return;
1593 
1594 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
1595 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED;
1596 	else if (untagged)
1597 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED;
1598 	else
1599 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_TAGGED;
1600 
1601 	mutex_lock(&chip->reg_lock);
1602 
1603 	for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid)
1604 		if (_mv88e6xxx_port_vlan_add(chip, port, vid, member))
1605 			dev_err(ds->dev, "p%d: failed to add VLAN %d%c\n", port,
1606 				vid, untagged ? 'u' : 't');
1607 
1608 	if (pvid && mv88e6xxx_port_set_pvid(chip, port, vlan->vid_end))
1609 		dev_err(ds->dev, "p%d: failed to set PVID %d\n", port,
1610 			vlan->vid_end);
1611 
1612 	mutex_unlock(&chip->reg_lock);
1613 }
1614 
1615 static int _mv88e6xxx_port_vlan_del(struct mv88e6xxx_chip *chip,
1616 				    int port, u16 vid)
1617 {
1618 	struct mv88e6xxx_vtu_entry vlan;
1619 	int i, err;
1620 
1621 	err = mv88e6xxx_vtu_get(chip, vid, &vlan, false);
1622 	if (err)
1623 		return err;
1624 
1625 	/* Tell switchdev if this VLAN is handled in software */
1626 	if (vlan.member[port] == MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
1627 		return -EOPNOTSUPP;
1628 
1629 	vlan.member[port] = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
1630 
1631 	/* keep the VLAN unless all ports are excluded */
1632 	vlan.valid = false;
1633 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
1634 		if (vlan.member[i] !=
1635 		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
1636 			vlan.valid = true;
1637 			break;
1638 		}
1639 	}
1640 
1641 	err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
1642 	if (err)
1643 		return err;
1644 
1645 	return mv88e6xxx_g1_atu_remove(chip, vlan.fid, port, false);
1646 }
1647 
1648 static int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port,
1649 				   const struct switchdev_obj_port_vlan *vlan)
1650 {
1651 	struct mv88e6xxx_chip *chip = ds->priv;
1652 	u16 pvid, vid;
1653 	int err = 0;
1654 
1655 	if (!chip->info->max_vid)
1656 		return -EOPNOTSUPP;
1657 
1658 	mutex_lock(&chip->reg_lock);
1659 
1660 	err = mv88e6xxx_port_get_pvid(chip, port, &pvid);
1661 	if (err)
1662 		goto unlock;
1663 
1664 	for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid) {
1665 		err = _mv88e6xxx_port_vlan_del(chip, port, vid);
1666 		if (err)
1667 			goto unlock;
1668 
1669 		if (vid == pvid) {
1670 			err = mv88e6xxx_port_set_pvid(chip, port, 0);
1671 			if (err)
1672 				goto unlock;
1673 		}
1674 	}
1675 
1676 unlock:
1677 	mutex_unlock(&chip->reg_lock);
1678 
1679 	return err;
1680 }
1681 
1682 static int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
1683 				  const unsigned char *addr, u16 vid)
1684 {
1685 	struct mv88e6xxx_chip *chip = ds->priv;
1686 	int err;
1687 
1688 	mutex_lock(&chip->reg_lock);
1689 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
1690 					   MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
1691 	mutex_unlock(&chip->reg_lock);
1692 
1693 	return err;
1694 }
1695 
1696 static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
1697 				  const unsigned char *addr, u16 vid)
1698 {
1699 	struct mv88e6xxx_chip *chip = ds->priv;
1700 	int err;
1701 
1702 	mutex_lock(&chip->reg_lock);
1703 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
1704 					   MV88E6XXX_G1_ATU_DATA_STATE_UNUSED);
1705 	mutex_unlock(&chip->reg_lock);
1706 
1707 	return err;
1708 }
1709 
1710 static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip,
1711 				      u16 fid, u16 vid, int port,
1712 				      dsa_fdb_dump_cb_t *cb, void *data)
1713 {
1714 	struct mv88e6xxx_atu_entry addr;
1715 	bool is_static;
1716 	int err;
1717 
1718 	addr.state = MV88E6XXX_G1_ATU_DATA_STATE_UNUSED;
1719 	eth_broadcast_addr(addr.mac);
1720 
1721 	do {
1722 		mutex_lock(&chip->reg_lock);
1723 		err = mv88e6xxx_g1_atu_getnext(chip, fid, &addr);
1724 		mutex_unlock(&chip->reg_lock);
1725 		if (err)
1726 			return err;
1727 
1728 		if (addr.state == MV88E6XXX_G1_ATU_DATA_STATE_UNUSED)
1729 			break;
1730 
1731 		if (addr.trunk || (addr.portvec & BIT(port)) == 0)
1732 			continue;
1733 
1734 		if (!is_unicast_ether_addr(addr.mac))
1735 			continue;
1736 
1737 		is_static = (addr.state ==
1738 			     MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
1739 		err = cb(addr.mac, vid, is_static, data);
1740 		if (err)
1741 			return err;
1742 	} while (!is_broadcast_ether_addr(addr.mac));
1743 
1744 	return err;
1745 }
1746 
1747 static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
1748 				  dsa_fdb_dump_cb_t *cb, void *data)
1749 {
1750 	struct mv88e6xxx_vtu_entry vlan = {
1751 		.vid = chip->info->max_vid,
1752 	};
1753 	u16 fid;
1754 	int err;
1755 
1756 	/* Dump port's default Filtering Information Database (VLAN ID 0) */
1757 	mutex_lock(&chip->reg_lock);
1758 	err = mv88e6xxx_port_get_fid(chip, port, &fid);
1759 	mutex_unlock(&chip->reg_lock);
1760 
1761 	if (err)
1762 		return err;
1763 
1764 	err = mv88e6xxx_port_db_dump_fid(chip, fid, 0, port, cb, data);
1765 	if (err)
1766 		return err;
1767 
1768 	/* Dump VLANs' Filtering Information Databases */
1769 	do {
1770 		mutex_lock(&chip->reg_lock);
1771 		err = mv88e6xxx_vtu_getnext(chip, &vlan);
1772 		mutex_unlock(&chip->reg_lock);
1773 		if (err)
1774 			return err;
1775 
1776 		if (!vlan.valid)
1777 			break;
1778 
1779 		err = mv88e6xxx_port_db_dump_fid(chip, vlan.fid, vlan.vid, port,
1780 						 cb, data);
1781 		if (err)
1782 			return err;
1783 	} while (vlan.vid < chip->info->max_vid);
1784 
1785 	return err;
1786 }
1787 
1788 static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
1789 				   dsa_fdb_dump_cb_t *cb, void *data)
1790 {
1791 	struct mv88e6xxx_chip *chip = ds->priv;
1792 
1793 	return mv88e6xxx_port_db_dump(chip, port, cb, data);
1794 }
1795 
1796 static int mv88e6xxx_bridge_map(struct mv88e6xxx_chip *chip,
1797 				struct net_device *br)
1798 {
1799 	struct dsa_switch *ds;
1800 	int port;
1801 	int dev;
1802 	int err;
1803 
1804 	/* Remap the Port VLAN of each local bridge group member */
1805 	for (port = 0; port < mv88e6xxx_num_ports(chip); ++port) {
1806 		if (chip->ds->ports[port].bridge_dev == br) {
1807 			err = mv88e6xxx_port_vlan_map(chip, port);
1808 			if (err)
1809 				return err;
1810 		}
1811 	}
1812 
1813 	if (!mv88e6xxx_has_pvt(chip))
1814 		return 0;
1815 
1816 	/* Remap the Port VLAN of each cross-chip bridge group member */
1817 	for (dev = 0; dev < DSA_MAX_SWITCHES; ++dev) {
1818 		ds = chip->ds->dst->ds[dev];
1819 		if (!ds)
1820 			break;
1821 
1822 		for (port = 0; port < ds->num_ports; ++port) {
1823 			if (ds->ports[port].bridge_dev == br) {
1824 				err = mv88e6xxx_pvt_map(chip, dev, port);
1825 				if (err)
1826 					return err;
1827 			}
1828 		}
1829 	}
1830 
1831 	return 0;
1832 }
1833 
1834 static int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
1835 				      struct net_device *br)
1836 {
1837 	struct mv88e6xxx_chip *chip = ds->priv;
1838 	int err;
1839 
1840 	mutex_lock(&chip->reg_lock);
1841 	err = mv88e6xxx_bridge_map(chip, br);
1842 	mutex_unlock(&chip->reg_lock);
1843 
1844 	return err;
1845 }
1846 
1847 static void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port,
1848 					struct net_device *br)
1849 {
1850 	struct mv88e6xxx_chip *chip = ds->priv;
1851 
1852 	mutex_lock(&chip->reg_lock);
1853 	if (mv88e6xxx_bridge_map(chip, br) ||
1854 	    mv88e6xxx_port_vlan_map(chip, port))
1855 		dev_err(ds->dev, "failed to remap in-chip Port VLAN\n");
1856 	mutex_unlock(&chip->reg_lock);
1857 }
1858 
1859 static int mv88e6xxx_crosschip_bridge_join(struct dsa_switch *ds, int dev,
1860 					   int port, struct net_device *br)
1861 {
1862 	struct mv88e6xxx_chip *chip = ds->priv;
1863 	int err;
1864 
1865 	if (!mv88e6xxx_has_pvt(chip))
1866 		return 0;
1867 
1868 	mutex_lock(&chip->reg_lock);
1869 	err = mv88e6xxx_pvt_map(chip, dev, port);
1870 	mutex_unlock(&chip->reg_lock);
1871 
1872 	return err;
1873 }
1874 
1875 static void mv88e6xxx_crosschip_bridge_leave(struct dsa_switch *ds, int dev,
1876 					     int port, struct net_device *br)
1877 {
1878 	struct mv88e6xxx_chip *chip = ds->priv;
1879 
1880 	if (!mv88e6xxx_has_pvt(chip))
1881 		return;
1882 
1883 	mutex_lock(&chip->reg_lock);
1884 	if (mv88e6xxx_pvt_map(chip, dev, port))
1885 		dev_err(ds->dev, "failed to remap cross-chip Port VLAN\n");
1886 	mutex_unlock(&chip->reg_lock);
1887 }
1888 
1889 static int mv88e6xxx_software_reset(struct mv88e6xxx_chip *chip)
1890 {
1891 	if (chip->info->ops->reset)
1892 		return chip->info->ops->reset(chip);
1893 
1894 	return 0;
1895 }
1896 
1897 static void mv88e6xxx_hardware_reset(struct mv88e6xxx_chip *chip)
1898 {
1899 	struct gpio_desc *gpiod = chip->reset;
1900 
1901 	/* If there is a GPIO connected to the reset pin, toggle it */
1902 	if (gpiod) {
1903 		gpiod_set_value_cansleep(gpiod, 1);
1904 		usleep_range(10000, 20000);
1905 		gpiod_set_value_cansleep(gpiod, 0);
1906 		usleep_range(10000, 20000);
1907 	}
1908 }
1909 
1910 static int mv88e6xxx_disable_ports(struct mv88e6xxx_chip *chip)
1911 {
1912 	int i, err;
1913 
1914 	/* Set all ports to the Disabled state */
1915 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
1916 		err = mv88e6xxx_port_set_state(chip, i, BR_STATE_DISABLED);
1917 		if (err)
1918 			return err;
1919 	}
1920 
1921 	/* Wait for transmit queues to drain,
1922 	 * i.e. 2ms for a maximum frame to be transmitted at 10 Mbps.
1923 	 */
1924 	usleep_range(2000, 4000);
1925 
1926 	return 0;
1927 }
1928 
1929 static int mv88e6xxx_switch_reset(struct mv88e6xxx_chip *chip)
1930 {
1931 	int err;
1932 
1933 	err = mv88e6xxx_disable_ports(chip);
1934 	if (err)
1935 		return err;
1936 
1937 	mv88e6xxx_hardware_reset(chip);
1938 
1939 	return mv88e6xxx_software_reset(chip);
1940 }
1941 
1942 static int mv88e6xxx_set_port_mode(struct mv88e6xxx_chip *chip, int port,
1943 				   enum mv88e6xxx_frame_mode frame,
1944 				   enum mv88e6xxx_egress_mode egress, u16 etype)
1945 {
1946 	int err;
1947 
1948 	if (!chip->info->ops->port_set_frame_mode)
1949 		return -EOPNOTSUPP;
1950 
1951 	err = mv88e6xxx_port_set_egress_mode(chip, port, egress);
1952 	if (err)
1953 		return err;
1954 
1955 	err = chip->info->ops->port_set_frame_mode(chip, port, frame);
1956 	if (err)
1957 		return err;
1958 
1959 	if (chip->info->ops->port_set_ether_type)
1960 		return chip->info->ops->port_set_ether_type(chip, port, etype);
1961 
1962 	return 0;
1963 }
1964 
1965 static int mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip *chip, int port)
1966 {
1967 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_NORMAL,
1968 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
1969 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
1970 }
1971 
1972 static int mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip *chip, int port)
1973 {
1974 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_DSA,
1975 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
1976 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
1977 }
1978 
1979 static int mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip *chip, int port)
1980 {
1981 	return mv88e6xxx_set_port_mode(chip, port,
1982 				       MV88E6XXX_FRAME_MODE_ETHERTYPE,
1983 				       MV88E6XXX_EGRESS_MODE_ETHERTYPE,
1984 				       ETH_P_EDSA);
1985 }
1986 
1987 static int mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip *chip, int port)
1988 {
1989 	if (dsa_is_dsa_port(chip->ds, port))
1990 		return mv88e6xxx_set_port_mode_dsa(chip, port);
1991 
1992 	if (dsa_is_user_port(chip->ds, port))
1993 		return mv88e6xxx_set_port_mode_normal(chip, port);
1994 
1995 	/* Setup CPU port mode depending on its supported tag format */
1996 	if (chip->info->tag_protocol == DSA_TAG_PROTO_DSA)
1997 		return mv88e6xxx_set_port_mode_dsa(chip, port);
1998 
1999 	if (chip->info->tag_protocol == DSA_TAG_PROTO_EDSA)
2000 		return mv88e6xxx_set_port_mode_edsa(chip, port);
2001 
2002 	return -EINVAL;
2003 }
2004 
2005 static int mv88e6xxx_setup_message_port(struct mv88e6xxx_chip *chip, int port)
2006 {
2007 	bool message = dsa_is_dsa_port(chip->ds, port);
2008 
2009 	return mv88e6xxx_port_set_message_port(chip, port, message);
2010 }
2011 
2012 static int mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip *chip, int port)
2013 {
2014 	struct dsa_switch *ds = chip->ds;
2015 	bool flood;
2016 
2017 	/* Upstream ports flood frames with unknown unicast or multicast DA */
2018 	flood = dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port);
2019 	if (chip->info->ops->port_set_egress_floods)
2020 		return chip->info->ops->port_set_egress_floods(chip, port,
2021 							       flood, flood);
2022 
2023 	return 0;
2024 }
2025 
2026 static int mv88e6xxx_serdes_power(struct mv88e6xxx_chip *chip, int port,
2027 				  bool on)
2028 {
2029 	if (chip->info->ops->serdes_power)
2030 		return chip->info->ops->serdes_power(chip, port, on);
2031 
2032 	return 0;
2033 }
2034 
2035 static int mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip *chip, int port)
2036 {
2037 	struct dsa_switch *ds = chip->ds;
2038 	int upstream_port;
2039 	int err;
2040 
2041 	upstream_port = dsa_upstream_port(ds, port);
2042 	if (chip->info->ops->port_set_upstream_port) {
2043 		err = chip->info->ops->port_set_upstream_port(chip, port,
2044 							      upstream_port);
2045 		if (err)
2046 			return err;
2047 	}
2048 
2049 	if (port == upstream_port) {
2050 		if (chip->info->ops->set_cpu_port) {
2051 			err = chip->info->ops->set_cpu_port(chip,
2052 							    upstream_port);
2053 			if (err)
2054 				return err;
2055 		}
2056 
2057 		if (chip->info->ops->set_egress_port) {
2058 			err = chip->info->ops->set_egress_port(chip,
2059 							       upstream_port);
2060 			if (err)
2061 				return err;
2062 		}
2063 	}
2064 
2065 	return 0;
2066 }
2067 
2068 static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
2069 {
2070 	struct dsa_switch *ds = chip->ds;
2071 	int err;
2072 	u16 reg;
2073 
2074 	/* MAC Forcing register: don't force link, speed, duplex or flow control
2075 	 * state to any particular values on physical ports, but force the CPU
2076 	 * port and all DSA ports to their maximum bandwidth and full duplex.
2077 	 */
2078 	if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))
2079 		err = mv88e6xxx_port_setup_mac(chip, port, LINK_FORCED_UP,
2080 					       SPEED_MAX, DUPLEX_FULL,
2081 					       PHY_INTERFACE_MODE_NA);
2082 	else
2083 		err = mv88e6xxx_port_setup_mac(chip, port, LINK_UNFORCED,
2084 					       SPEED_UNFORCED, DUPLEX_UNFORCED,
2085 					       PHY_INTERFACE_MODE_NA);
2086 	if (err)
2087 		return err;
2088 
2089 	/* Port Control: disable Drop-on-Unlock, disable Drop-on-Lock,
2090 	 * disable Header mode, enable IGMP/MLD snooping, disable VLAN
2091 	 * tunneling, determine priority by looking at 802.1p and IP
2092 	 * priority fields (IP prio has precedence), and set STP state
2093 	 * to Forwarding.
2094 	 *
2095 	 * If this is the CPU link, use DSA or EDSA tagging depending
2096 	 * on which tagging mode was configured.
2097 	 *
2098 	 * If this is a link to another switch, use DSA tagging mode.
2099 	 *
2100 	 * If this is the upstream port for this switch, enable
2101 	 * forwarding of unknown unicasts and multicasts.
2102 	 */
2103 	reg = MV88E6XXX_PORT_CTL0_IGMP_MLD_SNOOP |
2104 		MV88E6185_PORT_CTL0_USE_TAG | MV88E6185_PORT_CTL0_USE_IP |
2105 		MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
2106 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
2107 	if (err)
2108 		return err;
2109 
2110 	err = mv88e6xxx_setup_port_mode(chip, port);
2111 	if (err)
2112 		return err;
2113 
2114 	err = mv88e6xxx_setup_egress_floods(chip, port);
2115 	if (err)
2116 		return err;
2117 
2118 	/* Enable the SERDES interface for DSA and CPU ports. Normal
2119 	 * ports SERDES are enabled when the port is enabled, thus
2120 	 * saving a bit of power.
2121 	 */
2122 	if ((dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))) {
2123 		err = mv88e6xxx_serdes_power(chip, port, true);
2124 		if (err)
2125 			return err;
2126 	}
2127 
2128 	/* Port Control 2: don't force a good FCS, set the maximum frame size to
2129 	 * 10240 bytes, disable 802.1q tags checking, don't discard tagged or
2130 	 * untagged frames on this port, do a destination address lookup on all
2131 	 * received packets as usual, disable ARP mirroring and don't send a
2132 	 * copy of all transmitted/received frames on this port to the CPU.
2133 	 */
2134 	err = mv88e6xxx_port_set_map_da(chip, port);
2135 	if (err)
2136 		return err;
2137 
2138 	err = mv88e6xxx_setup_upstream_port(chip, port);
2139 	if (err)
2140 		return err;
2141 
2142 	err = mv88e6xxx_port_set_8021q_mode(chip, port,
2143 				MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED);
2144 	if (err)
2145 		return err;
2146 
2147 	if (chip->info->ops->port_set_jumbo_size) {
2148 		err = chip->info->ops->port_set_jumbo_size(chip, port, 10240);
2149 		if (err)
2150 			return err;
2151 	}
2152 
2153 	/* Port Association Vector: when learning source addresses
2154 	 * of packets, add the address to the address database using
2155 	 * a port bitmap that has only the bit for this port set and
2156 	 * the other bits clear.
2157 	 */
2158 	reg = 1 << port;
2159 	/* Disable learning for CPU port */
2160 	if (dsa_is_cpu_port(ds, port))
2161 		reg = 0;
2162 
2163 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
2164 				   reg);
2165 	if (err)
2166 		return err;
2167 
2168 	/* Egress rate control 2: disable egress rate control. */
2169 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL2,
2170 				   0x0000);
2171 	if (err)
2172 		return err;
2173 
2174 	if (chip->info->ops->port_pause_limit) {
2175 		err = chip->info->ops->port_pause_limit(chip, port, 0, 0);
2176 		if (err)
2177 			return err;
2178 	}
2179 
2180 	if (chip->info->ops->port_disable_learn_limit) {
2181 		err = chip->info->ops->port_disable_learn_limit(chip, port);
2182 		if (err)
2183 			return err;
2184 	}
2185 
2186 	if (chip->info->ops->port_disable_pri_override) {
2187 		err = chip->info->ops->port_disable_pri_override(chip, port);
2188 		if (err)
2189 			return err;
2190 	}
2191 
2192 	if (chip->info->ops->port_tag_remap) {
2193 		err = chip->info->ops->port_tag_remap(chip, port);
2194 		if (err)
2195 			return err;
2196 	}
2197 
2198 	if (chip->info->ops->port_egress_rate_limiting) {
2199 		err = chip->info->ops->port_egress_rate_limiting(chip, port);
2200 		if (err)
2201 			return err;
2202 	}
2203 
2204 	err = mv88e6xxx_setup_message_port(chip, port);
2205 	if (err)
2206 		return err;
2207 
2208 	/* Port based VLAN map: give each port the same default address
2209 	 * database, and allow bidirectional communication between the
2210 	 * CPU and DSA port(s), and the other ports.
2211 	 */
2212 	err = mv88e6xxx_port_set_fid(chip, port, 0);
2213 	if (err)
2214 		return err;
2215 
2216 	err = mv88e6xxx_port_vlan_map(chip, port);
2217 	if (err)
2218 		return err;
2219 
2220 	/* Default VLAN ID and priority: don't set a default VLAN
2221 	 * ID, and set the default packet priority to zero.
2222 	 */
2223 	return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN, 0);
2224 }
2225 
2226 static int mv88e6xxx_port_enable(struct dsa_switch *ds, int port,
2227 				 struct phy_device *phydev)
2228 {
2229 	struct mv88e6xxx_chip *chip = ds->priv;
2230 	int err;
2231 
2232 	mutex_lock(&chip->reg_lock);
2233 	err = mv88e6xxx_serdes_power(chip, port, true);
2234 	mutex_unlock(&chip->reg_lock);
2235 
2236 	return err;
2237 }
2238 
2239 static void mv88e6xxx_port_disable(struct dsa_switch *ds, int port,
2240 				   struct phy_device *phydev)
2241 {
2242 	struct mv88e6xxx_chip *chip = ds->priv;
2243 
2244 	mutex_lock(&chip->reg_lock);
2245 	if (mv88e6xxx_serdes_power(chip, port, false))
2246 		dev_err(chip->dev, "failed to power off SERDES\n");
2247 	mutex_unlock(&chip->reg_lock);
2248 }
2249 
2250 static int mv88e6xxx_set_ageing_time(struct dsa_switch *ds,
2251 				     unsigned int ageing_time)
2252 {
2253 	struct mv88e6xxx_chip *chip = ds->priv;
2254 	int err;
2255 
2256 	mutex_lock(&chip->reg_lock);
2257 	err = mv88e6xxx_g1_atu_set_age_time(chip, ageing_time);
2258 	mutex_unlock(&chip->reg_lock);
2259 
2260 	return err;
2261 }
2262 
2263 static int mv88e6xxx_stats_setup(struct mv88e6xxx_chip *chip)
2264 {
2265 	int err;
2266 
2267 	/* Initialize the statistics unit */
2268 	if (chip->info->ops->stats_set_histogram) {
2269 		err = chip->info->ops->stats_set_histogram(chip);
2270 		if (err)
2271 			return err;
2272 	}
2273 
2274 	return mv88e6xxx_g1_stats_clear(chip);
2275 }
2276 
2277 static int mv88e6xxx_setup(struct dsa_switch *ds)
2278 {
2279 	struct mv88e6xxx_chip *chip = ds->priv;
2280 	int err;
2281 	int i;
2282 
2283 	chip->ds = ds;
2284 	ds->slave_mii_bus = mv88e6xxx_default_mdio_bus(chip);
2285 
2286 	mutex_lock(&chip->reg_lock);
2287 
2288 	/* Setup Switch Port Registers */
2289 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
2290 		if (dsa_is_unused_port(ds, i))
2291 			continue;
2292 
2293 		err = mv88e6xxx_setup_port(chip, i);
2294 		if (err)
2295 			goto unlock;
2296 	}
2297 
2298 	err = mv88e6xxx_irl_setup(chip);
2299 	if (err)
2300 		goto unlock;
2301 
2302 	err = mv88e6xxx_mac_setup(chip);
2303 	if (err)
2304 		goto unlock;
2305 
2306 	err = mv88e6xxx_phy_setup(chip);
2307 	if (err)
2308 		goto unlock;
2309 
2310 	err = mv88e6xxx_vtu_setup(chip);
2311 	if (err)
2312 		goto unlock;
2313 
2314 	err = mv88e6xxx_pvt_setup(chip);
2315 	if (err)
2316 		goto unlock;
2317 
2318 	err = mv88e6xxx_atu_setup(chip);
2319 	if (err)
2320 		goto unlock;
2321 
2322 	err = mv88e6xxx_broadcast_setup(chip, 0);
2323 	if (err)
2324 		goto unlock;
2325 
2326 	err = mv88e6xxx_pot_setup(chip);
2327 	if (err)
2328 		goto unlock;
2329 
2330 	err = mv88e6xxx_rmu_setup(chip);
2331 	if (err)
2332 		goto unlock;
2333 
2334 	err = mv88e6xxx_rsvd2cpu_setup(chip);
2335 	if (err)
2336 		goto unlock;
2337 
2338 	err = mv88e6xxx_trunk_setup(chip);
2339 	if (err)
2340 		goto unlock;
2341 
2342 	err = mv88e6xxx_devmap_setup(chip);
2343 	if (err)
2344 		goto unlock;
2345 
2346 	err = mv88e6xxx_pri_setup(chip);
2347 	if (err)
2348 		goto unlock;
2349 
2350 	/* Setup PTP Hardware Clock and timestamping */
2351 	if (chip->info->ptp_support) {
2352 		err = mv88e6xxx_ptp_setup(chip);
2353 		if (err)
2354 			goto unlock;
2355 
2356 		err = mv88e6xxx_hwtstamp_setup(chip);
2357 		if (err)
2358 			goto unlock;
2359 	}
2360 
2361 	err = mv88e6xxx_stats_setup(chip);
2362 	if (err)
2363 		goto unlock;
2364 
2365 unlock:
2366 	mutex_unlock(&chip->reg_lock);
2367 
2368 	return err;
2369 }
2370 
2371 static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
2372 {
2373 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
2374 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
2375 	u16 val;
2376 	int err;
2377 
2378 	if (!chip->info->ops->phy_read)
2379 		return -EOPNOTSUPP;
2380 
2381 	mutex_lock(&chip->reg_lock);
2382 	err = chip->info->ops->phy_read(chip, bus, phy, reg, &val);
2383 	mutex_unlock(&chip->reg_lock);
2384 
2385 	if (reg == MII_PHYSID2) {
2386 		/* Some internal PHYS don't have a model number.  Use
2387 		 * the mv88e6390 family model number instead.
2388 		 */
2389 		if (!(val & 0x3f0))
2390 			val |= MV88E6XXX_PORT_SWITCH_ID_PROD_6390 >> 4;
2391 	}
2392 
2393 	return err ? err : val;
2394 }
2395 
2396 static int mv88e6xxx_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val)
2397 {
2398 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
2399 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
2400 	int err;
2401 
2402 	if (!chip->info->ops->phy_write)
2403 		return -EOPNOTSUPP;
2404 
2405 	mutex_lock(&chip->reg_lock);
2406 	err = chip->info->ops->phy_write(chip, bus, phy, reg, val);
2407 	mutex_unlock(&chip->reg_lock);
2408 
2409 	return err;
2410 }
2411 
2412 static int mv88e6xxx_mdio_register(struct mv88e6xxx_chip *chip,
2413 				   struct device_node *np,
2414 				   bool external)
2415 {
2416 	static int index;
2417 	struct mv88e6xxx_mdio_bus *mdio_bus;
2418 	struct mii_bus *bus;
2419 	int err;
2420 
2421 	if (external) {
2422 		mutex_lock(&chip->reg_lock);
2423 		err = mv88e6xxx_g2_scratch_gpio_set_smi(chip, true);
2424 		mutex_unlock(&chip->reg_lock);
2425 
2426 		if (err)
2427 			return err;
2428 	}
2429 
2430 	bus = devm_mdiobus_alloc_size(chip->dev, sizeof(*mdio_bus));
2431 	if (!bus)
2432 		return -ENOMEM;
2433 
2434 	mdio_bus = bus->priv;
2435 	mdio_bus->bus = bus;
2436 	mdio_bus->chip = chip;
2437 	INIT_LIST_HEAD(&mdio_bus->list);
2438 	mdio_bus->external = external;
2439 
2440 	if (np) {
2441 		bus->name = np->full_name;
2442 		snprintf(bus->id, MII_BUS_ID_SIZE, "%pOF", np);
2443 	} else {
2444 		bus->name = "mv88e6xxx SMI";
2445 		snprintf(bus->id, MII_BUS_ID_SIZE, "mv88e6xxx-%d", index++);
2446 	}
2447 
2448 	bus->read = mv88e6xxx_mdio_read;
2449 	bus->write = mv88e6xxx_mdio_write;
2450 	bus->parent = chip->dev;
2451 
2452 	if (!external) {
2453 		err = mv88e6xxx_g2_irq_mdio_setup(chip, bus);
2454 		if (err)
2455 			return err;
2456 	}
2457 
2458 	err = of_mdiobus_register(bus, np);
2459 	if (err) {
2460 		dev_err(chip->dev, "Cannot register MDIO bus (%d)\n", err);
2461 		mv88e6xxx_g2_irq_mdio_free(chip, bus);
2462 		return err;
2463 	}
2464 
2465 	if (external)
2466 		list_add_tail(&mdio_bus->list, &chip->mdios);
2467 	else
2468 		list_add(&mdio_bus->list, &chip->mdios);
2469 
2470 	return 0;
2471 }
2472 
2473 static const struct of_device_id mv88e6xxx_mdio_external_match[] = {
2474 	{ .compatible = "marvell,mv88e6xxx-mdio-external",
2475 	  .data = (void *)true },
2476 	{ },
2477 };
2478 
2479 static void mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip *chip)
2480 
2481 {
2482 	struct mv88e6xxx_mdio_bus *mdio_bus;
2483 	struct mii_bus *bus;
2484 
2485 	list_for_each_entry(mdio_bus, &chip->mdios, list) {
2486 		bus = mdio_bus->bus;
2487 
2488 		if (!mdio_bus->external)
2489 			mv88e6xxx_g2_irq_mdio_free(chip, bus);
2490 
2491 		mdiobus_unregister(bus);
2492 	}
2493 }
2494 
2495 static int mv88e6xxx_mdios_register(struct mv88e6xxx_chip *chip,
2496 				    struct device_node *np)
2497 {
2498 	const struct of_device_id *match;
2499 	struct device_node *child;
2500 	int err;
2501 
2502 	/* Always register one mdio bus for the internal/default mdio
2503 	 * bus. This maybe represented in the device tree, but is
2504 	 * optional.
2505 	 */
2506 	child = of_get_child_by_name(np, "mdio");
2507 	err = mv88e6xxx_mdio_register(chip, child, false);
2508 	if (err)
2509 		return err;
2510 
2511 	/* Walk the device tree, and see if there are any other nodes
2512 	 * which say they are compatible with the external mdio
2513 	 * bus.
2514 	 */
2515 	for_each_available_child_of_node(np, child) {
2516 		match = of_match_node(mv88e6xxx_mdio_external_match, child);
2517 		if (match) {
2518 			err = mv88e6xxx_mdio_register(chip, child, true);
2519 			if (err) {
2520 				mv88e6xxx_mdios_unregister(chip);
2521 				return err;
2522 			}
2523 		}
2524 	}
2525 
2526 	return 0;
2527 }
2528 
2529 static int mv88e6xxx_get_eeprom_len(struct dsa_switch *ds)
2530 {
2531 	struct mv88e6xxx_chip *chip = ds->priv;
2532 
2533 	return chip->eeprom_len;
2534 }
2535 
2536 static int mv88e6xxx_get_eeprom(struct dsa_switch *ds,
2537 				struct ethtool_eeprom *eeprom, u8 *data)
2538 {
2539 	struct mv88e6xxx_chip *chip = ds->priv;
2540 	int err;
2541 
2542 	if (!chip->info->ops->get_eeprom)
2543 		return -EOPNOTSUPP;
2544 
2545 	mutex_lock(&chip->reg_lock);
2546 	err = chip->info->ops->get_eeprom(chip, eeprom, data);
2547 	mutex_unlock(&chip->reg_lock);
2548 
2549 	if (err)
2550 		return err;
2551 
2552 	eeprom->magic = 0xc3ec4951;
2553 
2554 	return 0;
2555 }
2556 
2557 static int mv88e6xxx_set_eeprom(struct dsa_switch *ds,
2558 				struct ethtool_eeprom *eeprom, u8 *data)
2559 {
2560 	struct mv88e6xxx_chip *chip = ds->priv;
2561 	int err;
2562 
2563 	if (!chip->info->ops->set_eeprom)
2564 		return -EOPNOTSUPP;
2565 
2566 	if (eeprom->magic != 0xc3ec4951)
2567 		return -EINVAL;
2568 
2569 	mutex_lock(&chip->reg_lock);
2570 	err = chip->info->ops->set_eeprom(chip, eeprom, data);
2571 	mutex_unlock(&chip->reg_lock);
2572 
2573 	return err;
2574 }
2575 
2576 static const struct mv88e6xxx_ops mv88e6085_ops = {
2577 	/* MV88E6XXX_FAMILY_6097 */
2578 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2579 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2580 	.irl_init_all = mv88e6352_g2_irl_init_all,
2581 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
2582 	.phy_read = mv88e6185_phy_ppu_read,
2583 	.phy_write = mv88e6185_phy_ppu_write,
2584 	.port_set_link = mv88e6xxx_port_set_link,
2585 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2586 	.port_set_speed = mv88e6185_port_set_speed,
2587 	.port_tag_remap = mv88e6095_port_tag_remap,
2588 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2589 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2590 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2591 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2592 	.port_pause_limit = mv88e6097_port_pause_limit,
2593 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2594 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2595 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2596 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2597 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2598 	.stats_get_strings = mv88e6095_stats_get_strings,
2599 	.stats_get_stats = mv88e6095_stats_get_stats,
2600 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2601 	.set_egress_port = mv88e6095_g1_set_egress_port,
2602 	.watchdog_ops = &mv88e6097_watchdog_ops,
2603 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2604 	.pot_clear = mv88e6xxx_g2_pot_clear,
2605 	.ppu_enable = mv88e6185_g1_ppu_enable,
2606 	.ppu_disable = mv88e6185_g1_ppu_disable,
2607 	.reset = mv88e6185_g1_reset,
2608 	.rmu_disable = mv88e6085_g1_rmu_disable,
2609 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2610 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2611 	.serdes_power = mv88e6341_serdes_power,
2612 };
2613 
2614 static const struct mv88e6xxx_ops mv88e6095_ops = {
2615 	/* MV88E6XXX_FAMILY_6095 */
2616 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2617 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2618 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
2619 	.phy_read = mv88e6185_phy_ppu_read,
2620 	.phy_write = mv88e6185_phy_ppu_write,
2621 	.port_set_link = mv88e6xxx_port_set_link,
2622 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2623 	.port_set_speed = mv88e6185_port_set_speed,
2624 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
2625 	.port_set_egress_floods = mv88e6185_port_set_egress_floods,
2626 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
2627 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2628 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2629 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2630 	.stats_get_strings = mv88e6095_stats_get_strings,
2631 	.stats_get_stats = mv88e6095_stats_get_stats,
2632 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
2633 	.ppu_enable = mv88e6185_g1_ppu_enable,
2634 	.ppu_disable = mv88e6185_g1_ppu_disable,
2635 	.reset = mv88e6185_g1_reset,
2636 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
2637 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
2638 };
2639 
2640 static const struct mv88e6xxx_ops mv88e6097_ops = {
2641 	/* MV88E6XXX_FAMILY_6097 */
2642 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2643 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2644 	.irl_init_all = mv88e6352_g2_irl_init_all,
2645 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2646 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2647 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2648 	.port_set_link = mv88e6xxx_port_set_link,
2649 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2650 	.port_set_speed = mv88e6185_port_set_speed,
2651 	.port_tag_remap = mv88e6095_port_tag_remap,
2652 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2653 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2654 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2655 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2656 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
2657 	.port_pause_limit = mv88e6097_port_pause_limit,
2658 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2659 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2660 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2661 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2662 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2663 	.stats_get_strings = mv88e6095_stats_get_strings,
2664 	.stats_get_stats = mv88e6095_stats_get_stats,
2665 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2666 	.set_egress_port = mv88e6095_g1_set_egress_port,
2667 	.watchdog_ops = &mv88e6097_watchdog_ops,
2668 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2669 	.pot_clear = mv88e6xxx_g2_pot_clear,
2670 	.reset = mv88e6352_g1_reset,
2671 	.rmu_disable = mv88e6085_g1_rmu_disable,
2672 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2673 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2674 };
2675 
2676 static const struct mv88e6xxx_ops mv88e6123_ops = {
2677 	/* MV88E6XXX_FAMILY_6165 */
2678 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2679 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2680 	.irl_init_all = mv88e6352_g2_irl_init_all,
2681 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2682 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2683 	.phy_write = mv88e6xxx_g2_smi_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 = mv88e6320_g1_stats_snapshot,
2692 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2693 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2694 	.stats_get_strings = mv88e6095_stats_get_strings,
2695 	.stats_get_stats = mv88e6095_stats_get_stats,
2696 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2697 	.set_egress_port = mv88e6095_g1_set_egress_port,
2698 	.watchdog_ops = &mv88e6097_watchdog_ops,
2699 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2700 	.pot_clear = mv88e6xxx_g2_pot_clear,
2701 	.reset = mv88e6352_g1_reset,
2702 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2703 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2704 };
2705 
2706 static const struct mv88e6xxx_ops mv88e6131_ops = {
2707 	/* MV88E6XXX_FAMILY_6185 */
2708 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2709 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2710 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
2711 	.phy_read = mv88e6185_phy_ppu_read,
2712 	.phy_write = mv88e6185_phy_ppu_write,
2713 	.port_set_link = mv88e6xxx_port_set_link,
2714 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2715 	.port_set_speed = mv88e6185_port_set_speed,
2716 	.port_tag_remap = mv88e6095_port_tag_remap,
2717 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2718 	.port_set_egress_floods = mv88e6185_port_set_egress_floods,
2719 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2720 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
2721 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2722 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2723 	.port_pause_limit = mv88e6097_port_pause_limit,
2724 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2725 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2726 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2727 	.stats_get_strings = mv88e6095_stats_get_strings,
2728 	.stats_get_stats = mv88e6095_stats_get_stats,
2729 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2730 	.set_egress_port = mv88e6095_g1_set_egress_port,
2731 	.watchdog_ops = &mv88e6097_watchdog_ops,
2732 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
2733 	.ppu_enable = mv88e6185_g1_ppu_enable,
2734 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
2735 	.ppu_disable = mv88e6185_g1_ppu_disable,
2736 	.reset = mv88e6185_g1_reset,
2737 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
2738 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
2739 };
2740 
2741 static const struct mv88e6xxx_ops mv88e6141_ops = {
2742 	/* MV88E6XXX_FAMILY_6341 */
2743 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2744 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2745 	.irl_init_all = mv88e6352_g2_irl_init_all,
2746 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
2747 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
2748 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2749 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2750 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2751 	.port_set_link = mv88e6xxx_port_set_link,
2752 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2753 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
2754 	.port_set_speed = mv88e6390_port_set_speed,
2755 	.port_tag_remap = mv88e6095_port_tag_remap,
2756 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2757 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2758 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2759 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2760 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2761 	.port_pause_limit = mv88e6097_port_pause_limit,
2762 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2763 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2764 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
2765 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2766 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
2767 	.stats_get_strings = mv88e6320_stats_get_strings,
2768 	.stats_get_stats = mv88e6390_stats_get_stats,
2769 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
2770 	.set_egress_port = mv88e6390_g1_set_egress_port,
2771 	.watchdog_ops = &mv88e6390_watchdog_ops,
2772 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
2773 	.pot_clear = mv88e6xxx_g2_pot_clear,
2774 	.reset = mv88e6352_g1_reset,
2775 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2776 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2777 	.gpio_ops = &mv88e6352_gpio_ops,
2778 };
2779 
2780 static const struct mv88e6xxx_ops mv88e6161_ops = {
2781 	/* MV88E6XXX_FAMILY_6165 */
2782 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2783 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2784 	.irl_init_all = mv88e6352_g2_irl_init_all,
2785 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2786 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2787 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2788 	.port_set_link = mv88e6xxx_port_set_link,
2789 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2790 	.port_set_speed = mv88e6185_port_set_speed,
2791 	.port_tag_remap = mv88e6095_port_tag_remap,
2792 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2793 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2794 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2795 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2796 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2797 	.port_pause_limit = mv88e6097_port_pause_limit,
2798 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2799 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2800 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2801 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2802 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2803 	.stats_get_strings = mv88e6095_stats_get_strings,
2804 	.stats_get_stats = mv88e6095_stats_get_stats,
2805 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2806 	.set_egress_port = mv88e6095_g1_set_egress_port,
2807 	.watchdog_ops = &mv88e6097_watchdog_ops,
2808 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2809 	.pot_clear = mv88e6xxx_g2_pot_clear,
2810 	.reset = mv88e6352_g1_reset,
2811 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2812 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2813 };
2814 
2815 static const struct mv88e6xxx_ops mv88e6165_ops = {
2816 	/* MV88E6XXX_FAMILY_6165 */
2817 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2818 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2819 	.irl_init_all = mv88e6352_g2_irl_init_all,
2820 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2821 	.phy_read = mv88e6165_phy_read,
2822 	.phy_write = mv88e6165_phy_write,
2823 	.port_set_link = mv88e6xxx_port_set_link,
2824 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2825 	.port_set_speed = mv88e6185_port_set_speed,
2826 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2827 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2828 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2829 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2830 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2831 	.stats_get_strings = mv88e6095_stats_get_strings,
2832 	.stats_get_stats = mv88e6095_stats_get_stats,
2833 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2834 	.set_egress_port = mv88e6095_g1_set_egress_port,
2835 	.watchdog_ops = &mv88e6097_watchdog_ops,
2836 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2837 	.pot_clear = mv88e6xxx_g2_pot_clear,
2838 	.reset = mv88e6352_g1_reset,
2839 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2840 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2841 };
2842 
2843 static const struct mv88e6xxx_ops mv88e6171_ops = {
2844 	/* MV88E6XXX_FAMILY_6351 */
2845 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2846 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2847 	.irl_init_all = mv88e6352_g2_irl_init_all,
2848 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2849 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2850 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2851 	.port_set_link = mv88e6xxx_port_set_link,
2852 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2853 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
2854 	.port_set_speed = mv88e6185_port_set_speed,
2855 	.port_tag_remap = mv88e6095_port_tag_remap,
2856 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2857 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2858 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2859 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2860 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2861 	.port_pause_limit = mv88e6097_port_pause_limit,
2862 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2863 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2864 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2865 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2866 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2867 	.stats_get_strings = mv88e6095_stats_get_strings,
2868 	.stats_get_stats = mv88e6095_stats_get_stats,
2869 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2870 	.set_egress_port = mv88e6095_g1_set_egress_port,
2871 	.watchdog_ops = &mv88e6097_watchdog_ops,
2872 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2873 	.pot_clear = mv88e6xxx_g2_pot_clear,
2874 	.reset = mv88e6352_g1_reset,
2875 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2876 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2877 };
2878 
2879 static const struct mv88e6xxx_ops mv88e6172_ops = {
2880 	/* MV88E6XXX_FAMILY_6352 */
2881 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2882 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2883 	.irl_init_all = mv88e6352_g2_irl_init_all,
2884 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
2885 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
2886 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2887 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2888 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2889 	.port_set_link = mv88e6xxx_port_set_link,
2890 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2891 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
2892 	.port_set_speed = mv88e6352_port_set_speed,
2893 	.port_tag_remap = mv88e6095_port_tag_remap,
2894 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2895 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2896 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2897 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2898 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2899 	.port_pause_limit = mv88e6097_port_pause_limit,
2900 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2901 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2902 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2903 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
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 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2908 	.set_egress_port = mv88e6095_g1_set_egress_port,
2909 	.watchdog_ops = &mv88e6097_watchdog_ops,
2910 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2911 	.pot_clear = mv88e6xxx_g2_pot_clear,
2912 	.reset = mv88e6352_g1_reset,
2913 	.rmu_disable = mv88e6352_g1_rmu_disable,
2914 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2915 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2916 	.serdes_power = mv88e6352_serdes_power,
2917 	.gpio_ops = &mv88e6352_gpio_ops,
2918 };
2919 
2920 static const struct mv88e6xxx_ops mv88e6175_ops = {
2921 	/* MV88E6XXX_FAMILY_6351 */
2922 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2923 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2924 	.irl_init_all = mv88e6352_g2_irl_init_all,
2925 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2926 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2927 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2928 	.port_set_link = mv88e6xxx_port_set_link,
2929 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2930 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
2931 	.port_set_speed = mv88e6185_port_set_speed,
2932 	.port_tag_remap = mv88e6095_port_tag_remap,
2933 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2934 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2935 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2936 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2937 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2938 	.port_pause_limit = mv88e6097_port_pause_limit,
2939 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2940 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2941 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2942 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2943 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2944 	.stats_get_strings = mv88e6095_stats_get_strings,
2945 	.stats_get_stats = mv88e6095_stats_get_stats,
2946 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2947 	.set_egress_port = mv88e6095_g1_set_egress_port,
2948 	.watchdog_ops = &mv88e6097_watchdog_ops,
2949 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2950 	.pot_clear = mv88e6xxx_g2_pot_clear,
2951 	.reset = mv88e6352_g1_reset,
2952 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2953 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2954 	.serdes_power = mv88e6341_serdes_power,
2955 };
2956 
2957 static const struct mv88e6xxx_ops mv88e6176_ops = {
2958 	/* MV88E6XXX_FAMILY_6352 */
2959 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2960 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2961 	.irl_init_all = mv88e6352_g2_irl_init_all,
2962 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
2963 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
2964 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2965 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2966 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2967 	.port_set_link = mv88e6xxx_port_set_link,
2968 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2969 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
2970 	.port_set_speed = mv88e6352_port_set_speed,
2971 	.port_tag_remap = mv88e6095_port_tag_remap,
2972 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2973 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2974 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2975 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2976 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2977 	.port_pause_limit = mv88e6097_port_pause_limit,
2978 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2979 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2980 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2981 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2982 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2983 	.stats_get_strings = mv88e6095_stats_get_strings,
2984 	.stats_get_stats = mv88e6095_stats_get_stats,
2985 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2986 	.set_egress_port = mv88e6095_g1_set_egress_port,
2987 	.watchdog_ops = &mv88e6097_watchdog_ops,
2988 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2989 	.pot_clear = mv88e6xxx_g2_pot_clear,
2990 	.reset = mv88e6352_g1_reset,
2991 	.rmu_disable = mv88e6352_g1_rmu_disable,
2992 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2993 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2994 	.serdes_power = mv88e6352_serdes_power,
2995 	.gpio_ops = &mv88e6352_gpio_ops,
2996 };
2997 
2998 static const struct mv88e6xxx_ops mv88e6185_ops = {
2999 	/* MV88E6XXX_FAMILY_6185 */
3000 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3001 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3002 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
3003 	.phy_read = mv88e6185_phy_ppu_read,
3004 	.phy_write = mv88e6185_phy_ppu_write,
3005 	.port_set_link = mv88e6xxx_port_set_link,
3006 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3007 	.port_set_speed = mv88e6185_port_set_speed,
3008 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
3009 	.port_set_egress_floods = mv88e6185_port_set_egress_floods,
3010 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
3011 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
3012 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3013 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3014 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3015 	.stats_get_strings = mv88e6095_stats_get_strings,
3016 	.stats_get_stats = mv88e6095_stats_get_stats,
3017 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3018 	.set_egress_port = mv88e6095_g1_set_egress_port,
3019 	.watchdog_ops = &mv88e6097_watchdog_ops,
3020 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
3021 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
3022 	.ppu_enable = mv88e6185_g1_ppu_enable,
3023 	.ppu_disable = mv88e6185_g1_ppu_disable,
3024 	.reset = mv88e6185_g1_reset,
3025 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3026 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3027 };
3028 
3029 static const struct mv88e6xxx_ops mv88e6190_ops = {
3030 	/* MV88E6XXX_FAMILY_6390 */
3031 	.irl_init_all = mv88e6390_g2_irl_init_all,
3032 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3033 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3034 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3035 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3036 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3037 	.port_set_link = mv88e6xxx_port_set_link,
3038 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3039 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3040 	.port_set_speed = mv88e6390_port_set_speed,
3041 	.port_tag_remap = mv88e6390_port_tag_remap,
3042 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3043 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3044 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3045 	.port_pause_limit = mv88e6390_port_pause_limit,
3046 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3047 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3048 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3049 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3050 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3051 	.stats_get_strings = mv88e6320_stats_get_strings,
3052 	.stats_get_stats = mv88e6390_stats_get_stats,
3053 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3054 	.set_egress_port = mv88e6390_g1_set_egress_port,
3055 	.watchdog_ops = &mv88e6390_watchdog_ops,
3056 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3057 	.pot_clear = mv88e6xxx_g2_pot_clear,
3058 	.reset = mv88e6352_g1_reset,
3059 	.rmu_disable = mv88e6390_g1_rmu_disable,
3060 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3061 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3062 	.serdes_power = mv88e6390_serdes_power,
3063 	.gpio_ops = &mv88e6352_gpio_ops,
3064 };
3065 
3066 static const struct mv88e6xxx_ops mv88e6190x_ops = {
3067 	/* MV88E6XXX_FAMILY_6390 */
3068 	.irl_init_all = mv88e6390_g2_irl_init_all,
3069 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3070 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3071 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3072 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3073 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3074 	.port_set_link = mv88e6xxx_port_set_link,
3075 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3076 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3077 	.port_set_speed = mv88e6390x_port_set_speed,
3078 	.port_tag_remap = mv88e6390_port_tag_remap,
3079 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3080 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3081 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3082 	.port_pause_limit = mv88e6390_port_pause_limit,
3083 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3084 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3085 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3086 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3087 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3088 	.stats_get_strings = mv88e6320_stats_get_strings,
3089 	.stats_get_stats = mv88e6390_stats_get_stats,
3090 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3091 	.set_egress_port = mv88e6390_g1_set_egress_port,
3092 	.watchdog_ops = &mv88e6390_watchdog_ops,
3093 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3094 	.pot_clear = mv88e6xxx_g2_pot_clear,
3095 	.reset = mv88e6352_g1_reset,
3096 	.rmu_disable = mv88e6390_g1_rmu_disable,
3097 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3098 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3099 	.serdes_power = mv88e6390_serdes_power,
3100 	.gpio_ops = &mv88e6352_gpio_ops,
3101 };
3102 
3103 static const struct mv88e6xxx_ops mv88e6191_ops = {
3104 	/* MV88E6XXX_FAMILY_6390 */
3105 	.irl_init_all = mv88e6390_g2_irl_init_all,
3106 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3107 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3108 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3109 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3110 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3111 	.port_set_link = mv88e6xxx_port_set_link,
3112 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3113 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3114 	.port_set_speed = mv88e6390_port_set_speed,
3115 	.port_tag_remap = mv88e6390_port_tag_remap,
3116 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3117 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3118 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3119 	.port_pause_limit = mv88e6390_port_pause_limit,
3120 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3121 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3122 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3123 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3124 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3125 	.stats_get_strings = mv88e6320_stats_get_strings,
3126 	.stats_get_stats = mv88e6390_stats_get_stats,
3127 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3128 	.set_egress_port = mv88e6390_g1_set_egress_port,
3129 	.watchdog_ops = &mv88e6390_watchdog_ops,
3130 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3131 	.pot_clear = mv88e6xxx_g2_pot_clear,
3132 	.reset = mv88e6352_g1_reset,
3133 	.rmu_disable = mv88e6390_g1_rmu_disable,
3134 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3135 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3136 	.serdes_power = mv88e6390_serdes_power,
3137 };
3138 
3139 static const struct mv88e6xxx_ops mv88e6240_ops = {
3140 	/* MV88E6XXX_FAMILY_6352 */
3141 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3142 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3143 	.irl_init_all = mv88e6352_g2_irl_init_all,
3144 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3145 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3146 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3147 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3148 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3149 	.port_set_link = mv88e6xxx_port_set_link,
3150 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3151 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3152 	.port_set_speed = mv88e6352_port_set_speed,
3153 	.port_tag_remap = mv88e6095_port_tag_remap,
3154 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3155 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3156 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3157 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3158 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3159 	.port_pause_limit = mv88e6097_port_pause_limit,
3160 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3161 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3162 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3163 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3164 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3165 	.stats_get_strings = mv88e6095_stats_get_strings,
3166 	.stats_get_stats = mv88e6095_stats_get_stats,
3167 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3168 	.set_egress_port = mv88e6095_g1_set_egress_port,
3169 	.watchdog_ops = &mv88e6097_watchdog_ops,
3170 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3171 	.pot_clear = mv88e6xxx_g2_pot_clear,
3172 	.reset = mv88e6352_g1_reset,
3173 	.rmu_disable = mv88e6352_g1_rmu_disable,
3174 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3175 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3176 	.serdes_power = mv88e6352_serdes_power,
3177 	.gpio_ops = &mv88e6352_gpio_ops,
3178 	.avb_ops = &mv88e6352_avb_ops,
3179 };
3180 
3181 static const struct mv88e6xxx_ops mv88e6290_ops = {
3182 	/* MV88E6XXX_FAMILY_6390 */
3183 	.irl_init_all = mv88e6390_g2_irl_init_all,
3184 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3185 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3186 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3187 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3188 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3189 	.port_set_link = mv88e6xxx_port_set_link,
3190 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3191 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3192 	.port_set_speed = mv88e6390_port_set_speed,
3193 	.port_tag_remap = mv88e6390_port_tag_remap,
3194 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3195 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3196 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3197 	.port_pause_limit = mv88e6390_port_pause_limit,
3198 	.port_set_cmode = mv88e6390x_port_set_cmode,
3199 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3200 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3201 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3202 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3203 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3204 	.stats_get_strings = mv88e6320_stats_get_strings,
3205 	.stats_get_stats = mv88e6390_stats_get_stats,
3206 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3207 	.set_egress_port = mv88e6390_g1_set_egress_port,
3208 	.watchdog_ops = &mv88e6390_watchdog_ops,
3209 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3210 	.pot_clear = mv88e6xxx_g2_pot_clear,
3211 	.reset = mv88e6352_g1_reset,
3212 	.rmu_disable = mv88e6390_g1_rmu_disable,
3213 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3214 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3215 	.serdes_power = mv88e6390_serdes_power,
3216 	.gpio_ops = &mv88e6352_gpio_ops,
3217 	.avb_ops = &mv88e6390_avb_ops,
3218 };
3219 
3220 static const struct mv88e6xxx_ops mv88e6320_ops = {
3221 	/* MV88E6XXX_FAMILY_6320 */
3222 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3223 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3224 	.irl_init_all = mv88e6352_g2_irl_init_all,
3225 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3226 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3227 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3228 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3229 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3230 	.port_set_link = mv88e6xxx_port_set_link,
3231 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3232 	.port_set_speed = mv88e6185_port_set_speed,
3233 	.port_tag_remap = mv88e6095_port_tag_remap,
3234 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3235 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3236 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3237 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3238 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3239 	.port_pause_limit = mv88e6097_port_pause_limit,
3240 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3241 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3242 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3243 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3244 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3245 	.stats_get_strings = mv88e6320_stats_get_strings,
3246 	.stats_get_stats = mv88e6320_stats_get_stats,
3247 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3248 	.set_egress_port = mv88e6095_g1_set_egress_port,
3249 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3250 	.pot_clear = mv88e6xxx_g2_pot_clear,
3251 	.reset = mv88e6352_g1_reset,
3252 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3253 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3254 	.gpio_ops = &mv88e6352_gpio_ops,
3255 	.avb_ops = &mv88e6352_avb_ops,
3256 };
3257 
3258 static const struct mv88e6xxx_ops mv88e6321_ops = {
3259 	/* MV88E6XXX_FAMILY_6320 */
3260 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3261 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3262 	.irl_init_all = mv88e6352_g2_irl_init_all,
3263 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3264 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
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_speed = mv88e6185_port_set_speed,
3271 	.port_tag_remap = mv88e6095_port_tag_remap,
3272 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3273 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3274 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3275 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3276 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3277 	.port_pause_limit = mv88e6097_port_pause_limit,
3278 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3279 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3280 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3281 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3282 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3283 	.stats_get_strings = mv88e6320_stats_get_strings,
3284 	.stats_get_stats = mv88e6320_stats_get_stats,
3285 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3286 	.set_egress_port = mv88e6095_g1_set_egress_port,
3287 	.reset = mv88e6352_g1_reset,
3288 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3289 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3290 	.gpio_ops = &mv88e6352_gpio_ops,
3291 	.avb_ops = &mv88e6352_avb_ops,
3292 };
3293 
3294 static const struct mv88e6xxx_ops mv88e6341_ops = {
3295 	/* MV88E6XXX_FAMILY_6341 */
3296 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3297 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3298 	.irl_init_all = mv88e6352_g2_irl_init_all,
3299 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3300 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3301 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3302 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3303 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3304 	.port_set_link = mv88e6xxx_port_set_link,
3305 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3306 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3307 	.port_set_speed = mv88e6390_port_set_speed,
3308 	.port_tag_remap = mv88e6095_port_tag_remap,
3309 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3310 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3311 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3312 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3313 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3314 	.port_pause_limit = mv88e6097_port_pause_limit,
3315 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3316 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3317 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3318 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3319 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3320 	.stats_get_strings = mv88e6320_stats_get_strings,
3321 	.stats_get_stats = mv88e6390_stats_get_stats,
3322 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3323 	.set_egress_port = mv88e6390_g1_set_egress_port,
3324 	.watchdog_ops = &mv88e6390_watchdog_ops,
3325 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
3326 	.pot_clear = mv88e6xxx_g2_pot_clear,
3327 	.reset = mv88e6352_g1_reset,
3328 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3329 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3330 	.gpio_ops = &mv88e6352_gpio_ops,
3331 	.avb_ops = &mv88e6390_avb_ops,
3332 };
3333 
3334 static const struct mv88e6xxx_ops mv88e6350_ops = {
3335 	/* MV88E6XXX_FAMILY_6351 */
3336 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3337 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3338 	.irl_init_all = mv88e6352_g2_irl_init_all,
3339 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3340 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3341 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3342 	.port_set_link = mv88e6xxx_port_set_link,
3343 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3344 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3345 	.port_set_speed = mv88e6185_port_set_speed,
3346 	.port_tag_remap = mv88e6095_port_tag_remap,
3347 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3348 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3349 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3350 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3351 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3352 	.port_pause_limit = mv88e6097_port_pause_limit,
3353 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3354 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3355 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3356 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3357 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3358 	.stats_get_strings = mv88e6095_stats_get_strings,
3359 	.stats_get_stats = mv88e6095_stats_get_stats,
3360 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3361 	.set_egress_port = mv88e6095_g1_set_egress_port,
3362 	.watchdog_ops = &mv88e6097_watchdog_ops,
3363 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3364 	.pot_clear = mv88e6xxx_g2_pot_clear,
3365 	.reset = mv88e6352_g1_reset,
3366 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3367 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3368 };
3369 
3370 static const struct mv88e6xxx_ops mv88e6351_ops = {
3371 	/* MV88E6XXX_FAMILY_6351 */
3372 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3373 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3374 	.irl_init_all = mv88e6352_g2_irl_init_all,
3375 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3376 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3377 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3378 	.port_set_link = mv88e6xxx_port_set_link,
3379 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3380 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3381 	.port_set_speed = mv88e6185_port_set_speed,
3382 	.port_tag_remap = mv88e6095_port_tag_remap,
3383 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3384 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3385 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3386 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3387 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3388 	.port_pause_limit = mv88e6097_port_pause_limit,
3389 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3390 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3391 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3392 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3393 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3394 	.stats_get_strings = mv88e6095_stats_get_strings,
3395 	.stats_get_stats = mv88e6095_stats_get_stats,
3396 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3397 	.set_egress_port = mv88e6095_g1_set_egress_port,
3398 	.watchdog_ops = &mv88e6097_watchdog_ops,
3399 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3400 	.pot_clear = mv88e6xxx_g2_pot_clear,
3401 	.reset = mv88e6352_g1_reset,
3402 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3403 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3404 	.avb_ops = &mv88e6352_avb_ops,
3405 };
3406 
3407 static const struct mv88e6xxx_ops mv88e6352_ops = {
3408 	/* MV88E6XXX_FAMILY_6352 */
3409 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3410 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3411 	.irl_init_all = mv88e6352_g2_irl_init_all,
3412 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3413 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3414 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3415 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3416 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3417 	.port_set_link = mv88e6xxx_port_set_link,
3418 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3419 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3420 	.port_set_speed = mv88e6352_port_set_speed,
3421 	.port_tag_remap = mv88e6095_port_tag_remap,
3422 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3423 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3424 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3425 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3426 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3427 	.port_pause_limit = mv88e6097_port_pause_limit,
3428 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3429 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3430 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3431 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3432 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3433 	.stats_get_strings = mv88e6095_stats_get_strings,
3434 	.stats_get_stats = mv88e6095_stats_get_stats,
3435 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3436 	.set_egress_port = mv88e6095_g1_set_egress_port,
3437 	.watchdog_ops = &mv88e6097_watchdog_ops,
3438 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3439 	.pot_clear = mv88e6xxx_g2_pot_clear,
3440 	.reset = mv88e6352_g1_reset,
3441 	.rmu_disable = mv88e6352_g1_rmu_disable,
3442 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3443 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3444 	.serdes_power = mv88e6352_serdes_power,
3445 	.gpio_ops = &mv88e6352_gpio_ops,
3446 	.avb_ops = &mv88e6352_avb_ops,
3447 	.serdes_get_sset_count = mv88e6352_serdes_get_sset_count,
3448 	.serdes_get_strings = mv88e6352_serdes_get_strings,
3449 	.serdes_get_stats = mv88e6352_serdes_get_stats,
3450 };
3451 
3452 static const struct mv88e6xxx_ops mv88e6390_ops = {
3453 	/* MV88E6XXX_FAMILY_6390 */
3454 	.irl_init_all = mv88e6390_g2_irl_init_all,
3455 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3456 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3457 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3458 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3459 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3460 	.port_set_link = mv88e6xxx_port_set_link,
3461 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3462 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3463 	.port_set_speed = mv88e6390_port_set_speed,
3464 	.port_tag_remap = mv88e6390_port_tag_remap,
3465 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3466 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3467 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3468 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3469 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3470 	.port_pause_limit = mv88e6390_port_pause_limit,
3471 	.port_set_cmode = mv88e6390x_port_set_cmode,
3472 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3473 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3474 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3475 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3476 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3477 	.stats_get_strings = mv88e6320_stats_get_strings,
3478 	.stats_get_stats = mv88e6390_stats_get_stats,
3479 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3480 	.set_egress_port = mv88e6390_g1_set_egress_port,
3481 	.watchdog_ops = &mv88e6390_watchdog_ops,
3482 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3483 	.pot_clear = mv88e6xxx_g2_pot_clear,
3484 	.reset = mv88e6352_g1_reset,
3485 	.rmu_disable = mv88e6390_g1_rmu_disable,
3486 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3487 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3488 	.serdes_power = mv88e6390_serdes_power,
3489 	.gpio_ops = &mv88e6352_gpio_ops,
3490 	.avb_ops = &mv88e6390_avb_ops,
3491 };
3492 
3493 static const struct mv88e6xxx_ops mv88e6390x_ops = {
3494 	/* MV88E6XXX_FAMILY_6390 */
3495 	.irl_init_all = mv88e6390_g2_irl_init_all,
3496 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3497 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3498 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3499 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3500 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3501 	.port_set_link = mv88e6xxx_port_set_link,
3502 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3503 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3504 	.port_set_speed = mv88e6390x_port_set_speed,
3505 	.port_tag_remap = mv88e6390_port_tag_remap,
3506 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3507 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3508 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3509 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3510 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3511 	.port_pause_limit = mv88e6390_port_pause_limit,
3512 	.port_set_cmode = mv88e6390x_port_set_cmode,
3513 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3514 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3515 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3516 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3517 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3518 	.stats_get_strings = mv88e6320_stats_get_strings,
3519 	.stats_get_stats = mv88e6390_stats_get_stats,
3520 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3521 	.set_egress_port = mv88e6390_g1_set_egress_port,
3522 	.watchdog_ops = &mv88e6390_watchdog_ops,
3523 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3524 	.pot_clear = mv88e6xxx_g2_pot_clear,
3525 	.reset = mv88e6352_g1_reset,
3526 	.rmu_disable = mv88e6390_g1_rmu_disable,
3527 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3528 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3529 	.serdes_power = mv88e6390_serdes_power,
3530 	.gpio_ops = &mv88e6352_gpio_ops,
3531 	.avb_ops = &mv88e6390_avb_ops,
3532 };
3533 
3534 static const struct mv88e6xxx_info mv88e6xxx_table[] = {
3535 	[MV88E6085] = {
3536 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6085,
3537 		.family = MV88E6XXX_FAMILY_6097,
3538 		.name = "Marvell 88E6085",
3539 		.num_databases = 4096,
3540 		.num_ports = 10,
3541 		.num_internal_phys = 5,
3542 		.max_vid = 4095,
3543 		.port_base_addr = 0x10,
3544 		.phy_base_addr = 0x0,
3545 		.global1_addr = 0x1b,
3546 		.global2_addr = 0x1c,
3547 		.age_time_coeff = 15000,
3548 		.g1_irqs = 8,
3549 		.g2_irqs = 10,
3550 		.atu_move_port_mask = 0xf,
3551 		.pvt = true,
3552 		.multi_chip = true,
3553 		.tag_protocol = DSA_TAG_PROTO_DSA,
3554 		.ops = &mv88e6085_ops,
3555 	},
3556 
3557 	[MV88E6095] = {
3558 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6095,
3559 		.family = MV88E6XXX_FAMILY_6095,
3560 		.name = "Marvell 88E6095/88E6095F",
3561 		.num_databases = 256,
3562 		.num_ports = 11,
3563 		.num_internal_phys = 0,
3564 		.max_vid = 4095,
3565 		.port_base_addr = 0x10,
3566 		.phy_base_addr = 0x0,
3567 		.global1_addr = 0x1b,
3568 		.global2_addr = 0x1c,
3569 		.age_time_coeff = 15000,
3570 		.g1_irqs = 8,
3571 		.atu_move_port_mask = 0xf,
3572 		.multi_chip = true,
3573 		.tag_protocol = DSA_TAG_PROTO_DSA,
3574 		.ops = &mv88e6095_ops,
3575 	},
3576 
3577 	[MV88E6097] = {
3578 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6097,
3579 		.family = MV88E6XXX_FAMILY_6097,
3580 		.name = "Marvell 88E6097/88E6097F",
3581 		.num_databases = 4096,
3582 		.num_ports = 11,
3583 		.num_internal_phys = 8,
3584 		.max_vid = 4095,
3585 		.port_base_addr = 0x10,
3586 		.phy_base_addr = 0x0,
3587 		.global1_addr = 0x1b,
3588 		.global2_addr = 0x1c,
3589 		.age_time_coeff = 15000,
3590 		.g1_irqs = 8,
3591 		.g2_irqs = 10,
3592 		.atu_move_port_mask = 0xf,
3593 		.pvt = true,
3594 		.multi_chip = true,
3595 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3596 		.ops = &mv88e6097_ops,
3597 	},
3598 
3599 	[MV88E6123] = {
3600 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6123,
3601 		.family = MV88E6XXX_FAMILY_6165,
3602 		.name = "Marvell 88E6123",
3603 		.num_databases = 4096,
3604 		.num_ports = 3,
3605 		.num_internal_phys = 5,
3606 		.max_vid = 4095,
3607 		.port_base_addr = 0x10,
3608 		.phy_base_addr = 0x0,
3609 		.global1_addr = 0x1b,
3610 		.global2_addr = 0x1c,
3611 		.age_time_coeff = 15000,
3612 		.g1_irqs = 9,
3613 		.g2_irqs = 10,
3614 		.atu_move_port_mask = 0xf,
3615 		.pvt = true,
3616 		.multi_chip = true,
3617 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3618 		.ops = &mv88e6123_ops,
3619 	},
3620 
3621 	[MV88E6131] = {
3622 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6131,
3623 		.family = MV88E6XXX_FAMILY_6185,
3624 		.name = "Marvell 88E6131",
3625 		.num_databases = 256,
3626 		.num_ports = 8,
3627 		.num_internal_phys = 0,
3628 		.max_vid = 4095,
3629 		.port_base_addr = 0x10,
3630 		.phy_base_addr = 0x0,
3631 		.global1_addr = 0x1b,
3632 		.global2_addr = 0x1c,
3633 		.age_time_coeff = 15000,
3634 		.g1_irqs = 9,
3635 		.atu_move_port_mask = 0xf,
3636 		.multi_chip = true,
3637 		.tag_protocol = DSA_TAG_PROTO_DSA,
3638 		.ops = &mv88e6131_ops,
3639 	},
3640 
3641 	[MV88E6141] = {
3642 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6141,
3643 		.family = MV88E6XXX_FAMILY_6341,
3644 		.name = "Marvell 88E6141",
3645 		.num_databases = 4096,
3646 		.num_ports = 6,
3647 		.num_internal_phys = 5,
3648 		.num_gpio = 11,
3649 		.max_vid = 4095,
3650 		.port_base_addr = 0x10,
3651 		.phy_base_addr = 0x10,
3652 		.global1_addr = 0x1b,
3653 		.global2_addr = 0x1c,
3654 		.age_time_coeff = 3750,
3655 		.atu_move_port_mask = 0x1f,
3656 		.g1_irqs = 9,
3657 		.g2_irqs = 10,
3658 		.pvt = true,
3659 		.multi_chip = true,
3660 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3661 		.ops = &mv88e6141_ops,
3662 	},
3663 
3664 	[MV88E6161] = {
3665 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6161,
3666 		.family = MV88E6XXX_FAMILY_6165,
3667 		.name = "Marvell 88E6161",
3668 		.num_databases = 4096,
3669 		.num_ports = 6,
3670 		.num_internal_phys = 5,
3671 		.max_vid = 4095,
3672 		.port_base_addr = 0x10,
3673 		.phy_base_addr = 0x0,
3674 		.global1_addr = 0x1b,
3675 		.global2_addr = 0x1c,
3676 		.age_time_coeff = 15000,
3677 		.g1_irqs = 9,
3678 		.g2_irqs = 10,
3679 		.atu_move_port_mask = 0xf,
3680 		.pvt = true,
3681 		.multi_chip = true,
3682 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3683 		.ops = &mv88e6161_ops,
3684 	},
3685 
3686 	[MV88E6165] = {
3687 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6165,
3688 		.family = MV88E6XXX_FAMILY_6165,
3689 		.name = "Marvell 88E6165",
3690 		.num_databases = 4096,
3691 		.num_ports = 6,
3692 		.num_internal_phys = 0,
3693 		.max_vid = 4095,
3694 		.port_base_addr = 0x10,
3695 		.phy_base_addr = 0x0,
3696 		.global1_addr = 0x1b,
3697 		.global2_addr = 0x1c,
3698 		.age_time_coeff = 15000,
3699 		.g1_irqs = 9,
3700 		.g2_irqs = 10,
3701 		.atu_move_port_mask = 0xf,
3702 		.pvt = true,
3703 		.multi_chip = true,
3704 		.tag_protocol = DSA_TAG_PROTO_DSA,
3705 		.ops = &mv88e6165_ops,
3706 	},
3707 
3708 	[MV88E6171] = {
3709 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6171,
3710 		.family = MV88E6XXX_FAMILY_6351,
3711 		.name = "Marvell 88E6171",
3712 		.num_databases = 4096,
3713 		.num_ports = 7,
3714 		.num_internal_phys = 5,
3715 		.max_vid = 4095,
3716 		.port_base_addr = 0x10,
3717 		.phy_base_addr = 0x0,
3718 		.global1_addr = 0x1b,
3719 		.global2_addr = 0x1c,
3720 		.age_time_coeff = 15000,
3721 		.g1_irqs = 9,
3722 		.g2_irqs = 10,
3723 		.atu_move_port_mask = 0xf,
3724 		.pvt = true,
3725 		.multi_chip = true,
3726 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3727 		.ops = &mv88e6171_ops,
3728 	},
3729 
3730 	[MV88E6172] = {
3731 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6172,
3732 		.family = MV88E6XXX_FAMILY_6352,
3733 		.name = "Marvell 88E6172",
3734 		.num_databases = 4096,
3735 		.num_ports = 7,
3736 		.num_internal_phys = 5,
3737 		.num_gpio = 15,
3738 		.max_vid = 4095,
3739 		.port_base_addr = 0x10,
3740 		.phy_base_addr = 0x0,
3741 		.global1_addr = 0x1b,
3742 		.global2_addr = 0x1c,
3743 		.age_time_coeff = 15000,
3744 		.g1_irqs = 9,
3745 		.g2_irqs = 10,
3746 		.atu_move_port_mask = 0xf,
3747 		.pvt = true,
3748 		.multi_chip = true,
3749 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3750 		.ops = &mv88e6172_ops,
3751 	},
3752 
3753 	[MV88E6175] = {
3754 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6175,
3755 		.family = MV88E6XXX_FAMILY_6351,
3756 		.name = "Marvell 88E6175",
3757 		.num_databases = 4096,
3758 		.num_ports = 7,
3759 		.num_internal_phys = 5,
3760 		.max_vid = 4095,
3761 		.port_base_addr = 0x10,
3762 		.phy_base_addr = 0x0,
3763 		.global1_addr = 0x1b,
3764 		.global2_addr = 0x1c,
3765 		.age_time_coeff = 15000,
3766 		.g1_irqs = 9,
3767 		.g2_irqs = 10,
3768 		.atu_move_port_mask = 0xf,
3769 		.pvt = true,
3770 		.multi_chip = true,
3771 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3772 		.ops = &mv88e6175_ops,
3773 	},
3774 
3775 	[MV88E6176] = {
3776 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6176,
3777 		.family = MV88E6XXX_FAMILY_6352,
3778 		.name = "Marvell 88E6176",
3779 		.num_databases = 4096,
3780 		.num_ports = 7,
3781 		.num_internal_phys = 5,
3782 		.num_gpio = 15,
3783 		.max_vid = 4095,
3784 		.port_base_addr = 0x10,
3785 		.phy_base_addr = 0x0,
3786 		.global1_addr = 0x1b,
3787 		.global2_addr = 0x1c,
3788 		.age_time_coeff = 15000,
3789 		.g1_irqs = 9,
3790 		.g2_irqs = 10,
3791 		.atu_move_port_mask = 0xf,
3792 		.pvt = true,
3793 		.multi_chip = true,
3794 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3795 		.ops = &mv88e6176_ops,
3796 	},
3797 
3798 	[MV88E6185] = {
3799 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6185,
3800 		.family = MV88E6XXX_FAMILY_6185,
3801 		.name = "Marvell 88E6185",
3802 		.num_databases = 256,
3803 		.num_ports = 10,
3804 		.num_internal_phys = 0,
3805 		.max_vid = 4095,
3806 		.port_base_addr = 0x10,
3807 		.phy_base_addr = 0x0,
3808 		.global1_addr = 0x1b,
3809 		.global2_addr = 0x1c,
3810 		.age_time_coeff = 15000,
3811 		.g1_irqs = 8,
3812 		.atu_move_port_mask = 0xf,
3813 		.multi_chip = true,
3814 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3815 		.ops = &mv88e6185_ops,
3816 	},
3817 
3818 	[MV88E6190] = {
3819 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190,
3820 		.family = MV88E6XXX_FAMILY_6390,
3821 		.name = "Marvell 88E6190",
3822 		.num_databases = 4096,
3823 		.num_ports = 11,	/* 10 + Z80 */
3824 		.num_internal_phys = 11,
3825 		.num_gpio = 16,
3826 		.max_vid = 8191,
3827 		.port_base_addr = 0x0,
3828 		.phy_base_addr = 0x0,
3829 		.global1_addr = 0x1b,
3830 		.global2_addr = 0x1c,
3831 		.tag_protocol = DSA_TAG_PROTO_DSA,
3832 		.age_time_coeff = 3750,
3833 		.g1_irqs = 9,
3834 		.g2_irqs = 14,
3835 		.pvt = true,
3836 		.multi_chip = true,
3837 		.atu_move_port_mask = 0x1f,
3838 		.ops = &mv88e6190_ops,
3839 	},
3840 
3841 	[MV88E6190X] = {
3842 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190X,
3843 		.family = MV88E6XXX_FAMILY_6390,
3844 		.name = "Marvell 88E6190X",
3845 		.num_databases = 4096,
3846 		.num_ports = 11,	/* 10 + Z80 */
3847 		.num_internal_phys = 11,
3848 		.num_gpio = 16,
3849 		.max_vid = 8191,
3850 		.port_base_addr = 0x0,
3851 		.phy_base_addr = 0x0,
3852 		.global1_addr = 0x1b,
3853 		.global2_addr = 0x1c,
3854 		.age_time_coeff = 3750,
3855 		.g1_irqs = 9,
3856 		.g2_irqs = 14,
3857 		.atu_move_port_mask = 0x1f,
3858 		.pvt = true,
3859 		.multi_chip = true,
3860 		.tag_protocol = DSA_TAG_PROTO_DSA,
3861 		.ops = &mv88e6190x_ops,
3862 	},
3863 
3864 	[MV88E6191] = {
3865 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6191,
3866 		.family = MV88E6XXX_FAMILY_6390,
3867 		.name = "Marvell 88E6191",
3868 		.num_databases = 4096,
3869 		.num_ports = 11,	/* 10 + Z80 */
3870 		.num_internal_phys = 11,
3871 		.max_vid = 8191,
3872 		.port_base_addr = 0x0,
3873 		.phy_base_addr = 0x0,
3874 		.global1_addr = 0x1b,
3875 		.global2_addr = 0x1c,
3876 		.age_time_coeff = 3750,
3877 		.g1_irqs = 9,
3878 		.g2_irqs = 14,
3879 		.atu_move_port_mask = 0x1f,
3880 		.pvt = true,
3881 		.multi_chip = true,
3882 		.tag_protocol = DSA_TAG_PROTO_DSA,
3883 		.ptp_support = true,
3884 		.ops = &mv88e6191_ops,
3885 	},
3886 
3887 	[MV88E6240] = {
3888 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6240,
3889 		.family = MV88E6XXX_FAMILY_6352,
3890 		.name = "Marvell 88E6240",
3891 		.num_databases = 4096,
3892 		.num_ports = 7,
3893 		.num_internal_phys = 5,
3894 		.num_gpio = 15,
3895 		.max_vid = 4095,
3896 		.port_base_addr = 0x10,
3897 		.phy_base_addr = 0x0,
3898 		.global1_addr = 0x1b,
3899 		.global2_addr = 0x1c,
3900 		.age_time_coeff = 15000,
3901 		.g1_irqs = 9,
3902 		.g2_irqs = 10,
3903 		.atu_move_port_mask = 0xf,
3904 		.pvt = true,
3905 		.multi_chip = true,
3906 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3907 		.ptp_support = true,
3908 		.ops = &mv88e6240_ops,
3909 	},
3910 
3911 	[MV88E6290] = {
3912 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6290,
3913 		.family = MV88E6XXX_FAMILY_6390,
3914 		.name = "Marvell 88E6290",
3915 		.num_databases = 4096,
3916 		.num_ports = 11,	/* 10 + Z80 */
3917 		.num_internal_phys = 11,
3918 		.num_gpio = 16,
3919 		.max_vid = 8191,
3920 		.port_base_addr = 0x0,
3921 		.phy_base_addr = 0x0,
3922 		.global1_addr = 0x1b,
3923 		.global2_addr = 0x1c,
3924 		.age_time_coeff = 3750,
3925 		.g1_irqs = 9,
3926 		.g2_irqs = 14,
3927 		.atu_move_port_mask = 0x1f,
3928 		.pvt = true,
3929 		.multi_chip = true,
3930 		.tag_protocol = DSA_TAG_PROTO_DSA,
3931 		.ptp_support = true,
3932 		.ops = &mv88e6290_ops,
3933 	},
3934 
3935 	[MV88E6320] = {
3936 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6320,
3937 		.family = MV88E6XXX_FAMILY_6320,
3938 		.name = "Marvell 88E6320",
3939 		.num_databases = 4096,
3940 		.num_ports = 7,
3941 		.num_internal_phys = 5,
3942 		.num_gpio = 15,
3943 		.max_vid = 4095,
3944 		.port_base_addr = 0x10,
3945 		.phy_base_addr = 0x0,
3946 		.global1_addr = 0x1b,
3947 		.global2_addr = 0x1c,
3948 		.age_time_coeff = 15000,
3949 		.g1_irqs = 8,
3950 		.g2_irqs = 10,
3951 		.atu_move_port_mask = 0xf,
3952 		.pvt = true,
3953 		.multi_chip = true,
3954 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3955 		.ptp_support = true,
3956 		.ops = &mv88e6320_ops,
3957 	},
3958 
3959 	[MV88E6321] = {
3960 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6321,
3961 		.family = MV88E6XXX_FAMILY_6320,
3962 		.name = "Marvell 88E6321",
3963 		.num_databases = 4096,
3964 		.num_ports = 7,
3965 		.num_internal_phys = 5,
3966 		.num_gpio = 15,
3967 		.max_vid = 4095,
3968 		.port_base_addr = 0x10,
3969 		.phy_base_addr = 0x0,
3970 		.global1_addr = 0x1b,
3971 		.global2_addr = 0x1c,
3972 		.age_time_coeff = 15000,
3973 		.g1_irqs = 8,
3974 		.g2_irqs = 10,
3975 		.atu_move_port_mask = 0xf,
3976 		.multi_chip = true,
3977 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3978 		.ptp_support = true,
3979 		.ops = &mv88e6321_ops,
3980 	},
3981 
3982 	[MV88E6341] = {
3983 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6341,
3984 		.family = MV88E6XXX_FAMILY_6341,
3985 		.name = "Marvell 88E6341",
3986 		.num_databases = 4096,
3987 		.num_internal_phys = 5,
3988 		.num_ports = 6,
3989 		.num_gpio = 11,
3990 		.max_vid = 4095,
3991 		.port_base_addr = 0x10,
3992 		.phy_base_addr = 0x10,
3993 		.global1_addr = 0x1b,
3994 		.global2_addr = 0x1c,
3995 		.age_time_coeff = 3750,
3996 		.atu_move_port_mask = 0x1f,
3997 		.g1_irqs = 9,
3998 		.g2_irqs = 10,
3999 		.pvt = true,
4000 		.multi_chip = true,
4001 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4002 		.ptp_support = true,
4003 		.ops = &mv88e6341_ops,
4004 	},
4005 
4006 	[MV88E6350] = {
4007 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6350,
4008 		.family = MV88E6XXX_FAMILY_6351,
4009 		.name = "Marvell 88E6350",
4010 		.num_databases = 4096,
4011 		.num_ports = 7,
4012 		.num_internal_phys = 5,
4013 		.max_vid = 4095,
4014 		.port_base_addr = 0x10,
4015 		.phy_base_addr = 0x0,
4016 		.global1_addr = 0x1b,
4017 		.global2_addr = 0x1c,
4018 		.age_time_coeff = 15000,
4019 		.g1_irqs = 9,
4020 		.g2_irqs = 10,
4021 		.atu_move_port_mask = 0xf,
4022 		.pvt = true,
4023 		.multi_chip = true,
4024 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4025 		.ops = &mv88e6350_ops,
4026 	},
4027 
4028 	[MV88E6351] = {
4029 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6351,
4030 		.family = MV88E6XXX_FAMILY_6351,
4031 		.name = "Marvell 88E6351",
4032 		.num_databases = 4096,
4033 		.num_ports = 7,
4034 		.num_internal_phys = 5,
4035 		.max_vid = 4095,
4036 		.port_base_addr = 0x10,
4037 		.phy_base_addr = 0x0,
4038 		.global1_addr = 0x1b,
4039 		.global2_addr = 0x1c,
4040 		.age_time_coeff = 15000,
4041 		.g1_irqs = 9,
4042 		.g2_irqs = 10,
4043 		.atu_move_port_mask = 0xf,
4044 		.pvt = true,
4045 		.multi_chip = true,
4046 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4047 		.ops = &mv88e6351_ops,
4048 	},
4049 
4050 	[MV88E6352] = {
4051 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6352,
4052 		.family = MV88E6XXX_FAMILY_6352,
4053 		.name = "Marvell 88E6352",
4054 		.num_databases = 4096,
4055 		.num_ports = 7,
4056 		.num_internal_phys = 5,
4057 		.num_gpio = 15,
4058 		.max_vid = 4095,
4059 		.port_base_addr = 0x10,
4060 		.phy_base_addr = 0x0,
4061 		.global1_addr = 0x1b,
4062 		.global2_addr = 0x1c,
4063 		.age_time_coeff = 15000,
4064 		.g1_irqs = 9,
4065 		.g2_irqs = 10,
4066 		.atu_move_port_mask = 0xf,
4067 		.pvt = true,
4068 		.multi_chip = true,
4069 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4070 		.ptp_support = true,
4071 		.ops = &mv88e6352_ops,
4072 	},
4073 	[MV88E6390] = {
4074 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
4075 		.family = MV88E6XXX_FAMILY_6390,
4076 		.name = "Marvell 88E6390",
4077 		.num_databases = 4096,
4078 		.num_ports = 11,	/* 10 + Z80 */
4079 		.num_internal_phys = 11,
4080 		.num_gpio = 16,
4081 		.max_vid = 8191,
4082 		.port_base_addr = 0x0,
4083 		.phy_base_addr = 0x0,
4084 		.global1_addr = 0x1b,
4085 		.global2_addr = 0x1c,
4086 		.age_time_coeff = 3750,
4087 		.g1_irqs = 9,
4088 		.g2_irqs = 14,
4089 		.atu_move_port_mask = 0x1f,
4090 		.pvt = true,
4091 		.multi_chip = true,
4092 		.tag_protocol = DSA_TAG_PROTO_DSA,
4093 		.ptp_support = true,
4094 		.ops = &mv88e6390_ops,
4095 	},
4096 	[MV88E6390X] = {
4097 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390X,
4098 		.family = MV88E6XXX_FAMILY_6390,
4099 		.name = "Marvell 88E6390X",
4100 		.num_databases = 4096,
4101 		.num_ports = 11,	/* 10 + Z80 */
4102 		.num_internal_phys = 11,
4103 		.num_gpio = 16,
4104 		.max_vid = 8191,
4105 		.port_base_addr = 0x0,
4106 		.phy_base_addr = 0x0,
4107 		.global1_addr = 0x1b,
4108 		.global2_addr = 0x1c,
4109 		.age_time_coeff = 3750,
4110 		.g1_irqs = 9,
4111 		.g2_irqs = 14,
4112 		.atu_move_port_mask = 0x1f,
4113 		.pvt = true,
4114 		.multi_chip = true,
4115 		.tag_protocol = DSA_TAG_PROTO_DSA,
4116 		.ptp_support = true,
4117 		.ops = &mv88e6390x_ops,
4118 	},
4119 };
4120 
4121 static const struct mv88e6xxx_info *mv88e6xxx_lookup_info(unsigned int prod_num)
4122 {
4123 	int i;
4124 
4125 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_table); ++i)
4126 		if (mv88e6xxx_table[i].prod_num == prod_num)
4127 			return &mv88e6xxx_table[i];
4128 
4129 	return NULL;
4130 }
4131 
4132 static int mv88e6xxx_detect(struct mv88e6xxx_chip *chip)
4133 {
4134 	const struct mv88e6xxx_info *info;
4135 	unsigned int prod_num, rev;
4136 	u16 id;
4137 	int err;
4138 
4139 	mutex_lock(&chip->reg_lock);
4140 	err = mv88e6xxx_port_read(chip, 0, MV88E6XXX_PORT_SWITCH_ID, &id);
4141 	mutex_unlock(&chip->reg_lock);
4142 	if (err)
4143 		return err;
4144 
4145 	prod_num = id & MV88E6XXX_PORT_SWITCH_ID_PROD_MASK;
4146 	rev = id & MV88E6XXX_PORT_SWITCH_ID_REV_MASK;
4147 
4148 	info = mv88e6xxx_lookup_info(prod_num);
4149 	if (!info)
4150 		return -ENODEV;
4151 
4152 	/* Update the compatible info with the probed one */
4153 	chip->info = info;
4154 
4155 	err = mv88e6xxx_g2_require(chip);
4156 	if (err)
4157 		return err;
4158 
4159 	dev_info(chip->dev, "switch 0x%x detected: %s, revision %u\n",
4160 		 chip->info->prod_num, chip->info->name, rev);
4161 
4162 	return 0;
4163 }
4164 
4165 static struct mv88e6xxx_chip *mv88e6xxx_alloc_chip(struct device *dev)
4166 {
4167 	struct mv88e6xxx_chip *chip;
4168 
4169 	chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
4170 	if (!chip)
4171 		return NULL;
4172 
4173 	chip->dev = dev;
4174 
4175 	mutex_init(&chip->reg_lock);
4176 	INIT_LIST_HEAD(&chip->mdios);
4177 
4178 	return chip;
4179 }
4180 
4181 static int mv88e6xxx_smi_init(struct mv88e6xxx_chip *chip,
4182 			      struct mii_bus *bus, int sw_addr)
4183 {
4184 	if (sw_addr == 0)
4185 		chip->smi_ops = &mv88e6xxx_smi_single_chip_ops;
4186 	else if (chip->info->multi_chip)
4187 		chip->smi_ops = &mv88e6xxx_smi_multi_chip_ops;
4188 	else
4189 		return -EINVAL;
4190 
4191 	chip->bus = bus;
4192 	chip->sw_addr = sw_addr;
4193 
4194 	return 0;
4195 }
4196 
4197 static enum dsa_tag_protocol mv88e6xxx_get_tag_protocol(struct dsa_switch *ds,
4198 							int port)
4199 {
4200 	struct mv88e6xxx_chip *chip = ds->priv;
4201 
4202 	return chip->info->tag_protocol;
4203 }
4204 
4205 #if IS_ENABLED(CONFIG_NET_DSA_LEGACY)
4206 static const char *mv88e6xxx_drv_probe(struct device *dsa_dev,
4207 				       struct device *host_dev, int sw_addr,
4208 				       void **priv)
4209 {
4210 	struct mv88e6xxx_chip *chip;
4211 	struct mii_bus *bus;
4212 	int err;
4213 
4214 	bus = dsa_host_dev_to_mii_bus(host_dev);
4215 	if (!bus)
4216 		return NULL;
4217 
4218 	chip = mv88e6xxx_alloc_chip(dsa_dev);
4219 	if (!chip)
4220 		return NULL;
4221 
4222 	/* Legacy SMI probing will only support chips similar to 88E6085 */
4223 	chip->info = &mv88e6xxx_table[MV88E6085];
4224 
4225 	err = mv88e6xxx_smi_init(chip, bus, sw_addr);
4226 	if (err)
4227 		goto free;
4228 
4229 	err = mv88e6xxx_detect(chip);
4230 	if (err)
4231 		goto free;
4232 
4233 	mutex_lock(&chip->reg_lock);
4234 	err = mv88e6xxx_switch_reset(chip);
4235 	mutex_unlock(&chip->reg_lock);
4236 	if (err)
4237 		goto free;
4238 
4239 	mv88e6xxx_phy_init(chip);
4240 
4241 	err = mv88e6xxx_mdios_register(chip, NULL);
4242 	if (err)
4243 		goto free;
4244 
4245 	*priv = chip;
4246 
4247 	return chip->info->name;
4248 free:
4249 	devm_kfree(dsa_dev, chip);
4250 
4251 	return NULL;
4252 }
4253 #endif
4254 
4255 static int mv88e6xxx_port_mdb_prepare(struct dsa_switch *ds, int port,
4256 				      const struct switchdev_obj_port_mdb *mdb)
4257 {
4258 	/* We don't need any dynamic resource from the kernel (yet),
4259 	 * so skip the prepare phase.
4260 	 */
4261 
4262 	return 0;
4263 }
4264 
4265 static void mv88e6xxx_port_mdb_add(struct dsa_switch *ds, int port,
4266 				   const struct switchdev_obj_port_mdb *mdb)
4267 {
4268 	struct mv88e6xxx_chip *chip = ds->priv;
4269 
4270 	mutex_lock(&chip->reg_lock);
4271 	if (mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid,
4272 					 MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC))
4273 		dev_err(ds->dev, "p%d: failed to load multicast MAC address\n",
4274 			port);
4275 	mutex_unlock(&chip->reg_lock);
4276 }
4277 
4278 static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, int port,
4279 				  const struct switchdev_obj_port_mdb *mdb)
4280 {
4281 	struct mv88e6xxx_chip *chip = ds->priv;
4282 	int err;
4283 
4284 	mutex_lock(&chip->reg_lock);
4285 	err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid,
4286 					   MV88E6XXX_G1_ATU_DATA_STATE_UNUSED);
4287 	mutex_unlock(&chip->reg_lock);
4288 
4289 	return err;
4290 }
4291 
4292 static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
4293 #if IS_ENABLED(CONFIG_NET_DSA_LEGACY)
4294 	.probe			= mv88e6xxx_drv_probe,
4295 #endif
4296 	.get_tag_protocol	= mv88e6xxx_get_tag_protocol,
4297 	.setup			= mv88e6xxx_setup,
4298 	.adjust_link		= mv88e6xxx_adjust_link,
4299 	.phylink_validate	= mv88e6xxx_validate,
4300 	.phylink_mac_link_state	= mv88e6xxx_link_state,
4301 	.phylink_mac_config	= mv88e6xxx_mac_config,
4302 	.phylink_mac_link_down	= mv88e6xxx_mac_link_down,
4303 	.phylink_mac_link_up	= mv88e6xxx_mac_link_up,
4304 	.get_strings		= mv88e6xxx_get_strings,
4305 	.get_ethtool_stats	= mv88e6xxx_get_ethtool_stats,
4306 	.get_sset_count		= mv88e6xxx_get_sset_count,
4307 	.port_enable		= mv88e6xxx_port_enable,
4308 	.port_disable		= mv88e6xxx_port_disable,
4309 	.get_mac_eee		= mv88e6xxx_get_mac_eee,
4310 	.set_mac_eee		= mv88e6xxx_set_mac_eee,
4311 	.get_eeprom_len		= mv88e6xxx_get_eeprom_len,
4312 	.get_eeprom		= mv88e6xxx_get_eeprom,
4313 	.set_eeprom		= mv88e6xxx_set_eeprom,
4314 	.get_regs_len		= mv88e6xxx_get_regs_len,
4315 	.get_regs		= mv88e6xxx_get_regs,
4316 	.set_ageing_time	= mv88e6xxx_set_ageing_time,
4317 	.port_bridge_join	= mv88e6xxx_port_bridge_join,
4318 	.port_bridge_leave	= mv88e6xxx_port_bridge_leave,
4319 	.port_stp_state_set	= mv88e6xxx_port_stp_state_set,
4320 	.port_fast_age		= mv88e6xxx_port_fast_age,
4321 	.port_vlan_filtering	= mv88e6xxx_port_vlan_filtering,
4322 	.port_vlan_prepare	= mv88e6xxx_port_vlan_prepare,
4323 	.port_vlan_add		= mv88e6xxx_port_vlan_add,
4324 	.port_vlan_del		= mv88e6xxx_port_vlan_del,
4325 	.port_fdb_add           = mv88e6xxx_port_fdb_add,
4326 	.port_fdb_del           = mv88e6xxx_port_fdb_del,
4327 	.port_fdb_dump          = mv88e6xxx_port_fdb_dump,
4328 	.port_mdb_prepare       = mv88e6xxx_port_mdb_prepare,
4329 	.port_mdb_add           = mv88e6xxx_port_mdb_add,
4330 	.port_mdb_del           = mv88e6xxx_port_mdb_del,
4331 	.crosschip_bridge_join	= mv88e6xxx_crosschip_bridge_join,
4332 	.crosschip_bridge_leave	= mv88e6xxx_crosschip_bridge_leave,
4333 	.port_hwtstamp_set	= mv88e6xxx_port_hwtstamp_set,
4334 	.port_hwtstamp_get	= mv88e6xxx_port_hwtstamp_get,
4335 	.port_txtstamp		= mv88e6xxx_port_txtstamp,
4336 	.port_rxtstamp		= mv88e6xxx_port_rxtstamp,
4337 	.get_ts_info		= mv88e6xxx_get_ts_info,
4338 };
4339 
4340 static struct dsa_switch_driver mv88e6xxx_switch_drv = {
4341 	.ops			= &mv88e6xxx_switch_ops,
4342 };
4343 
4344 static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip)
4345 {
4346 	struct device *dev = chip->dev;
4347 	struct dsa_switch *ds;
4348 
4349 	ds = dsa_switch_alloc(dev, mv88e6xxx_num_ports(chip));
4350 	if (!ds)
4351 		return -ENOMEM;
4352 
4353 	ds->priv = chip;
4354 	ds->dev = dev;
4355 	ds->ops = &mv88e6xxx_switch_ops;
4356 	ds->ageing_time_min = chip->info->age_time_coeff;
4357 	ds->ageing_time_max = chip->info->age_time_coeff * U8_MAX;
4358 
4359 	dev_set_drvdata(dev, ds);
4360 
4361 	return dsa_register_switch(ds);
4362 }
4363 
4364 static void mv88e6xxx_unregister_switch(struct mv88e6xxx_chip *chip)
4365 {
4366 	dsa_unregister_switch(chip->ds);
4367 }
4368 
4369 static const void *pdata_device_get_match_data(struct device *dev)
4370 {
4371 	const struct of_device_id *matches = dev->driver->of_match_table;
4372 	const struct dsa_mv88e6xxx_pdata *pdata = dev->platform_data;
4373 
4374 	for (; matches->name[0] || matches->type[0] || matches->compatible[0];
4375 	     matches++) {
4376 		if (!strcmp(pdata->compatible, matches->compatible))
4377 			return matches->data;
4378 	}
4379 	return NULL;
4380 }
4381 
4382 static int mv88e6xxx_probe(struct mdio_device *mdiodev)
4383 {
4384 	struct dsa_mv88e6xxx_pdata *pdata = mdiodev->dev.platform_data;
4385 	const struct mv88e6xxx_info *compat_info = NULL;
4386 	struct device *dev = &mdiodev->dev;
4387 	struct device_node *np = dev->of_node;
4388 	struct mv88e6xxx_chip *chip;
4389 	int port;
4390 	int err;
4391 
4392 	if (!np && !pdata)
4393 		return -EINVAL;
4394 
4395 	if (np)
4396 		compat_info = of_device_get_match_data(dev);
4397 
4398 	if (pdata) {
4399 		compat_info = pdata_device_get_match_data(dev);
4400 
4401 		if (!pdata->netdev)
4402 			return -EINVAL;
4403 
4404 		for (port = 0; port < DSA_MAX_PORTS; port++) {
4405 			if (!(pdata->enabled_ports & (1 << port)))
4406 				continue;
4407 			if (strcmp(pdata->cd.port_names[port], "cpu"))
4408 				continue;
4409 			pdata->cd.netdev[port] = &pdata->netdev->dev;
4410 			break;
4411 		}
4412 	}
4413 
4414 	if (!compat_info)
4415 		return -EINVAL;
4416 
4417 	chip = mv88e6xxx_alloc_chip(dev);
4418 	if (!chip) {
4419 		err = -ENOMEM;
4420 		goto out;
4421 	}
4422 
4423 	chip->info = compat_info;
4424 
4425 	err = mv88e6xxx_smi_init(chip, mdiodev->bus, mdiodev->addr);
4426 	if (err)
4427 		goto out;
4428 
4429 	chip->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
4430 	if (IS_ERR(chip->reset)) {
4431 		err = PTR_ERR(chip->reset);
4432 		goto out;
4433 	}
4434 
4435 	err = mv88e6xxx_detect(chip);
4436 	if (err)
4437 		goto out;
4438 
4439 	mv88e6xxx_phy_init(chip);
4440 
4441 	if (chip->info->ops->get_eeprom) {
4442 		if (np)
4443 			of_property_read_u32(np, "eeprom-length",
4444 					     &chip->eeprom_len);
4445 		else
4446 			chip->eeprom_len = pdata->eeprom_len;
4447 	}
4448 
4449 	mutex_lock(&chip->reg_lock);
4450 	err = mv88e6xxx_switch_reset(chip);
4451 	mutex_unlock(&chip->reg_lock);
4452 	if (err)
4453 		goto out;
4454 
4455 	chip->irq = of_irq_get(np, 0);
4456 	if (chip->irq == -EPROBE_DEFER) {
4457 		err = chip->irq;
4458 		goto out;
4459 	}
4460 
4461 	/* Has to be performed before the MDIO bus is created, because
4462 	 * the PHYs will link their interrupts to these interrupt
4463 	 * controllers
4464 	 */
4465 	mutex_lock(&chip->reg_lock);
4466 	if (chip->irq > 0)
4467 		err = mv88e6xxx_g1_irq_setup(chip);
4468 	else
4469 		err = mv88e6xxx_irq_poll_setup(chip);
4470 	mutex_unlock(&chip->reg_lock);
4471 
4472 	if (err)
4473 		goto out;
4474 
4475 	if (chip->info->g2_irqs > 0) {
4476 		err = mv88e6xxx_g2_irq_setup(chip);
4477 		if (err)
4478 			goto out_g1_irq;
4479 	}
4480 
4481 	err = mv88e6xxx_g1_atu_prob_irq_setup(chip);
4482 	if (err)
4483 		goto out_g2_irq;
4484 
4485 	err = mv88e6xxx_g1_vtu_prob_irq_setup(chip);
4486 	if (err)
4487 		goto out_g1_atu_prob_irq;
4488 
4489 	err = mv88e6xxx_mdios_register(chip, np);
4490 	if (err)
4491 		goto out_g1_vtu_prob_irq;
4492 
4493 	err = mv88e6xxx_register_switch(chip);
4494 	if (err)
4495 		goto out_mdio;
4496 
4497 	return 0;
4498 
4499 out_mdio:
4500 	mv88e6xxx_mdios_unregister(chip);
4501 out_g1_vtu_prob_irq:
4502 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
4503 out_g1_atu_prob_irq:
4504 	mv88e6xxx_g1_atu_prob_irq_free(chip);
4505 out_g2_irq:
4506 	if (chip->info->g2_irqs > 0)
4507 		mv88e6xxx_g2_irq_free(chip);
4508 out_g1_irq:
4509 	mutex_lock(&chip->reg_lock);
4510 	if (chip->irq > 0)
4511 		mv88e6xxx_g1_irq_free(chip);
4512 	else
4513 		mv88e6xxx_irq_poll_free(chip);
4514 	mutex_unlock(&chip->reg_lock);
4515 out:
4516 	if (pdata)
4517 		dev_put(pdata->netdev);
4518 
4519 	return err;
4520 }
4521 
4522 static void mv88e6xxx_remove(struct mdio_device *mdiodev)
4523 {
4524 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
4525 	struct mv88e6xxx_chip *chip = ds->priv;
4526 
4527 	if (chip->info->ptp_support) {
4528 		mv88e6xxx_hwtstamp_free(chip);
4529 		mv88e6xxx_ptp_free(chip);
4530 	}
4531 
4532 	mv88e6xxx_phy_destroy(chip);
4533 	mv88e6xxx_unregister_switch(chip);
4534 	mv88e6xxx_mdios_unregister(chip);
4535 
4536 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
4537 	mv88e6xxx_g1_atu_prob_irq_free(chip);
4538 
4539 	if (chip->info->g2_irqs > 0)
4540 		mv88e6xxx_g2_irq_free(chip);
4541 
4542 	mutex_lock(&chip->reg_lock);
4543 	if (chip->irq > 0)
4544 		mv88e6xxx_g1_irq_free(chip);
4545 	else
4546 		mv88e6xxx_irq_poll_free(chip);
4547 	mutex_unlock(&chip->reg_lock);
4548 }
4549 
4550 static const struct of_device_id mv88e6xxx_of_match[] = {
4551 	{
4552 		.compatible = "marvell,mv88e6085",
4553 		.data = &mv88e6xxx_table[MV88E6085],
4554 	},
4555 	{
4556 		.compatible = "marvell,mv88e6190",
4557 		.data = &mv88e6xxx_table[MV88E6190],
4558 	},
4559 	{ /* sentinel */ },
4560 };
4561 
4562 MODULE_DEVICE_TABLE(of, mv88e6xxx_of_match);
4563 
4564 static struct mdio_driver mv88e6xxx_driver = {
4565 	.probe	= mv88e6xxx_probe,
4566 	.remove = mv88e6xxx_remove,
4567 	.mdiodrv.driver = {
4568 		.name = "mv88e6085",
4569 		.of_match_table = mv88e6xxx_of_match,
4570 	},
4571 };
4572 
4573 static int __init mv88e6xxx_init(void)
4574 {
4575 	register_switch_driver(&mv88e6xxx_switch_drv);
4576 	return mdio_driver_register(&mv88e6xxx_driver);
4577 }
4578 module_init(mv88e6xxx_init);
4579 
4580 static void __exit mv88e6xxx_cleanup(void)
4581 {
4582 	mdio_driver_unregister(&mv88e6xxx_driver);
4583 	unregister_switch_driver(&mv88e6xxx_switch_drv);
4584 }
4585 module_exit(mv88e6xxx_cleanup);
4586 
4587 MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>");
4588 MODULE_DESCRIPTION("Driver for Marvell 88E6XXX ethernet switch chips");
4589 MODULE_LICENSE("GPL");
4590