xref: /linux/drivers/net/dsa/mv88e6xxx/chip.c (revision b04df400c30235fa347313c9e2a0695549bd2c8e)
1 /*
2  * Marvell 88e6xxx Ethernet switch single-chip support
3  *
4  * Copyright (c) 2008 Marvell Semiconductor
5  *
6  * Copyright (c) 2016 Andrew Lunn <andrew@lunn.ch>
7  *
8  * Copyright (c) 2016-2017 Savoir-faire Linux Inc.
9  *	Vivien Didelot <vivien.didelot@savoirfairelinux.com>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation; either version 2 of the License, or
14  * (at your option) any later version.
15  */
16 
17 #include <linux/delay.h>
18 #include <linux/etherdevice.h>
19 #include <linux/ethtool.h>
20 #include <linux/if_bridge.h>
21 #include <linux/interrupt.h>
22 #include <linux/irq.h>
23 #include <linux/irqdomain.h>
24 #include <linux/jiffies.h>
25 #include <linux/list.h>
26 #include <linux/mdio.h>
27 #include <linux/module.h>
28 #include <linux/of_device.h>
29 #include <linux/of_irq.h>
30 #include <linux/of_mdio.h>
31 #include <linux/netdevice.h>
32 #include <linux/gpio/consumer.h>
33 #include <linux/phy.h>
34 #include <linux/phylink.h>
35 #include <net/dsa.h>
36 
37 #include "chip.h"
38 #include "global1.h"
39 #include "global2.h"
40 #include "hwtstamp.h"
41 #include "phy.h"
42 #include "port.h"
43 #include "ptp.h"
44 #include "serdes.h"
45 
46 static void assert_reg_lock(struct mv88e6xxx_chip *chip)
47 {
48 	if (unlikely(!mutex_is_locked(&chip->reg_lock))) {
49 		dev_err(chip->dev, "Switch registers lock not held!\n");
50 		dump_stack();
51 	}
52 }
53 
54 /* The switch ADDR[4:1] configuration pins define the chip SMI device address
55  * (ADDR[0] is always zero, thus only even SMI addresses can be strapped).
56  *
57  * When ADDR is all zero, the chip uses Single-chip Addressing Mode, assuming it
58  * is the only device connected to the SMI master. In this mode it responds to
59  * all 32 possible SMI addresses, and thus maps directly the internal devices.
60  *
61  * When ADDR is non-zero, the chip uses Multi-chip Addressing Mode, allowing
62  * multiple devices to share the SMI interface. In this mode it responds to only
63  * 2 registers, used to indirectly access the internal SMI devices.
64  */
65 
66 static int mv88e6xxx_smi_read(struct mv88e6xxx_chip *chip,
67 			      int addr, int reg, u16 *val)
68 {
69 	if (!chip->smi_ops)
70 		return -EOPNOTSUPP;
71 
72 	return chip->smi_ops->read(chip, addr, reg, val);
73 }
74 
75 static int mv88e6xxx_smi_write(struct mv88e6xxx_chip *chip,
76 			       int addr, int reg, u16 val)
77 {
78 	if (!chip->smi_ops)
79 		return -EOPNOTSUPP;
80 
81 	return chip->smi_ops->write(chip, addr, reg, val);
82 }
83 
84 static int mv88e6xxx_smi_single_chip_read(struct mv88e6xxx_chip *chip,
85 					  int addr, int reg, u16 *val)
86 {
87 	int ret;
88 
89 	ret = mdiobus_read_nested(chip->bus, addr, reg);
90 	if (ret < 0)
91 		return ret;
92 
93 	*val = ret & 0xffff;
94 
95 	return 0;
96 }
97 
98 static int mv88e6xxx_smi_single_chip_write(struct mv88e6xxx_chip *chip,
99 					   int addr, int reg, u16 val)
100 {
101 	int ret;
102 
103 	ret = mdiobus_write_nested(chip->bus, addr, reg, val);
104 	if (ret < 0)
105 		return ret;
106 
107 	return 0;
108 }
109 
110 static const struct mv88e6xxx_bus_ops mv88e6xxx_smi_single_chip_ops = {
111 	.read = mv88e6xxx_smi_single_chip_read,
112 	.write = mv88e6xxx_smi_single_chip_write,
113 };
114 
115 static int mv88e6xxx_smi_multi_chip_wait(struct mv88e6xxx_chip *chip)
116 {
117 	int ret;
118 	int i;
119 
120 	for (i = 0; i < 16; i++) {
121 		ret = mdiobus_read_nested(chip->bus, chip->sw_addr, SMI_CMD);
122 		if (ret < 0)
123 			return ret;
124 
125 		if ((ret & SMI_CMD_BUSY) == 0)
126 			return 0;
127 	}
128 
129 	return -ETIMEDOUT;
130 }
131 
132 static int mv88e6xxx_smi_multi_chip_read(struct mv88e6xxx_chip *chip,
133 					 int addr, int reg, u16 *val)
134 {
135 	int ret;
136 
137 	/* Wait for the bus to become free. */
138 	ret = mv88e6xxx_smi_multi_chip_wait(chip);
139 	if (ret < 0)
140 		return ret;
141 
142 	/* Transmit the read command. */
143 	ret = mdiobus_write_nested(chip->bus, chip->sw_addr, SMI_CMD,
144 				   SMI_CMD_OP_22_READ | (addr << 5) | reg);
145 	if (ret < 0)
146 		return ret;
147 
148 	/* Wait for the read command to complete. */
149 	ret = mv88e6xxx_smi_multi_chip_wait(chip);
150 	if (ret < 0)
151 		return ret;
152 
153 	/* Read the data. */
154 	ret = mdiobus_read_nested(chip->bus, chip->sw_addr, SMI_DATA);
155 	if (ret < 0)
156 		return ret;
157 
158 	*val = ret & 0xffff;
159 
160 	return 0;
161 }
162 
163 static int mv88e6xxx_smi_multi_chip_write(struct mv88e6xxx_chip *chip,
164 					  int addr, int reg, u16 val)
165 {
166 	int ret;
167 
168 	/* Wait for the bus to become free. */
169 	ret = mv88e6xxx_smi_multi_chip_wait(chip);
170 	if (ret < 0)
171 		return ret;
172 
173 	/* Transmit the data to write. */
174 	ret = mdiobus_write_nested(chip->bus, chip->sw_addr, SMI_DATA, val);
175 	if (ret < 0)
176 		return ret;
177 
178 	/* Transmit the write command. */
179 	ret = mdiobus_write_nested(chip->bus, chip->sw_addr, SMI_CMD,
180 				   SMI_CMD_OP_22_WRITE | (addr << 5) | reg);
181 	if (ret < 0)
182 		return ret;
183 
184 	/* Wait for the write command to complete. */
185 	ret = mv88e6xxx_smi_multi_chip_wait(chip);
186 	if (ret < 0)
187 		return ret;
188 
189 	return 0;
190 }
191 
192 static const struct mv88e6xxx_bus_ops mv88e6xxx_smi_multi_chip_ops = {
193 	.read = mv88e6xxx_smi_multi_chip_read,
194 	.write = mv88e6xxx_smi_multi_chip_write,
195 };
196 
197 int mv88e6xxx_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val)
198 {
199 	int err;
200 
201 	assert_reg_lock(chip);
202 
203 	err = mv88e6xxx_smi_read(chip, addr, reg, val);
204 	if (err)
205 		return err;
206 
207 	dev_dbg(chip->dev, "<- addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
208 		addr, reg, *val);
209 
210 	return 0;
211 }
212 
213 int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val)
214 {
215 	int err;
216 
217 	assert_reg_lock(chip);
218 
219 	err = mv88e6xxx_smi_write(chip, addr, reg, val);
220 	if (err)
221 		return err;
222 
223 	dev_dbg(chip->dev, "-> addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
224 		addr, reg, val);
225 
226 	return 0;
227 }
228 
229 struct mii_bus *mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip *chip)
230 {
231 	struct mv88e6xxx_mdio_bus *mdio_bus;
232 
233 	mdio_bus = list_first_entry(&chip->mdios, struct mv88e6xxx_mdio_bus,
234 				    list);
235 	if (!mdio_bus)
236 		return NULL;
237 
238 	return mdio_bus->bus;
239 }
240 
241 static void mv88e6xxx_g1_irq_mask(struct irq_data *d)
242 {
243 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
244 	unsigned int n = d->hwirq;
245 
246 	chip->g1_irq.masked |= (1 << n);
247 }
248 
249 static void mv88e6xxx_g1_irq_unmask(struct irq_data *d)
250 {
251 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
252 	unsigned int n = d->hwirq;
253 
254 	chip->g1_irq.masked &= ~(1 << n);
255 }
256 
257 static irqreturn_t mv88e6xxx_g1_irq_thread_work(struct mv88e6xxx_chip *chip)
258 {
259 	unsigned int nhandled = 0;
260 	unsigned int sub_irq;
261 	unsigned int n;
262 	u16 reg;
263 	int err;
264 
265 	mutex_lock(&chip->reg_lock);
266 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
267 	mutex_unlock(&chip->reg_lock);
268 
269 	if (err)
270 		goto out;
271 
272 	for (n = 0; n < chip->g1_irq.nirqs; ++n) {
273 		if (reg & (1 << n)) {
274 			sub_irq = irq_find_mapping(chip->g1_irq.domain, n);
275 			handle_nested_irq(sub_irq);
276 			++nhandled;
277 		}
278 	}
279 out:
280 	return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE);
281 }
282 
283 static irqreturn_t mv88e6xxx_g1_irq_thread_fn(int irq, void *dev_id)
284 {
285 	struct mv88e6xxx_chip *chip = dev_id;
286 
287 	return mv88e6xxx_g1_irq_thread_work(chip);
288 }
289 
290 static void mv88e6xxx_g1_irq_bus_lock(struct irq_data *d)
291 {
292 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
293 
294 	mutex_lock(&chip->reg_lock);
295 }
296 
297 static void mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data *d)
298 {
299 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
300 	u16 mask = GENMASK(chip->g1_irq.nirqs, 0);
301 	u16 reg;
302 	int err;
303 
304 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &reg);
305 	if (err)
306 		goto out;
307 
308 	reg &= ~mask;
309 	reg |= (~chip->g1_irq.masked & mask);
310 
311 	err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, reg);
312 	if (err)
313 		goto out;
314 
315 out:
316 	mutex_unlock(&chip->reg_lock);
317 }
318 
319 static const struct irq_chip mv88e6xxx_g1_irq_chip = {
320 	.name			= "mv88e6xxx-g1",
321 	.irq_mask		= mv88e6xxx_g1_irq_mask,
322 	.irq_unmask		= mv88e6xxx_g1_irq_unmask,
323 	.irq_bus_lock		= mv88e6xxx_g1_irq_bus_lock,
324 	.irq_bus_sync_unlock	= mv88e6xxx_g1_irq_bus_sync_unlock,
325 };
326 
327 static int mv88e6xxx_g1_irq_domain_map(struct irq_domain *d,
328 				       unsigned int irq,
329 				       irq_hw_number_t hwirq)
330 {
331 	struct mv88e6xxx_chip *chip = d->host_data;
332 
333 	irq_set_chip_data(irq, d->host_data);
334 	irq_set_chip_and_handler(irq, &chip->g1_irq.chip, handle_level_irq);
335 	irq_set_noprobe(irq);
336 
337 	return 0;
338 }
339 
340 static const struct irq_domain_ops mv88e6xxx_g1_irq_domain_ops = {
341 	.map	= mv88e6xxx_g1_irq_domain_map,
342 	.xlate	= irq_domain_xlate_twocell,
343 };
344 
345 static void mv88e6xxx_g1_irq_free_common(struct mv88e6xxx_chip *chip)
346 {
347 	int irq, virq;
348 	u16 mask;
349 
350 	mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
351 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
352 	mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
353 
354 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++) {
355 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
356 		irq_dispose_mapping(virq);
357 	}
358 
359 	irq_domain_remove(chip->g1_irq.domain);
360 }
361 
362 static void mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip *chip)
363 {
364 	mv88e6xxx_g1_irq_free_common(chip);
365 
366 	free_irq(chip->irq, chip);
367 }
368 
369 static int mv88e6xxx_g1_irq_setup_common(struct mv88e6xxx_chip *chip)
370 {
371 	int err, irq, virq;
372 	u16 reg, mask;
373 
374 	chip->g1_irq.nirqs = chip->info->g1_irqs;
375 	chip->g1_irq.domain = irq_domain_add_simple(
376 		NULL, chip->g1_irq.nirqs, 0,
377 		&mv88e6xxx_g1_irq_domain_ops, chip);
378 	if (!chip->g1_irq.domain)
379 		return -ENOMEM;
380 
381 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++)
382 		irq_create_mapping(chip->g1_irq.domain, irq);
383 
384 	chip->g1_irq.chip = mv88e6xxx_g1_irq_chip;
385 	chip->g1_irq.masked = ~0;
386 
387 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
388 	if (err)
389 		goto out_mapping;
390 
391 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
392 
393 	err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
394 	if (err)
395 		goto out_disable;
396 
397 	/* Reading the interrupt status clears (most of) them */
398 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
399 	if (err)
400 		goto out_disable;
401 
402 	return 0;
403 
404 out_disable:
405 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
406 	mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
407 
408 out_mapping:
409 	for (irq = 0; irq < 16; irq++) {
410 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
411 		irq_dispose_mapping(virq);
412 	}
413 
414 	irq_domain_remove(chip->g1_irq.domain);
415 
416 	return err;
417 }
418 
419 static int mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip *chip)
420 {
421 	int err;
422 
423 	err = mv88e6xxx_g1_irq_setup_common(chip);
424 	if (err)
425 		return err;
426 
427 	err = request_threaded_irq(chip->irq, NULL,
428 				   mv88e6xxx_g1_irq_thread_fn,
429 				   IRQF_ONESHOT,
430 				   dev_name(chip->dev), chip);
431 	if (err)
432 		mv88e6xxx_g1_irq_free_common(chip);
433 
434 	return err;
435 }
436 
437 static void mv88e6xxx_irq_poll(struct kthread_work *work)
438 {
439 	struct mv88e6xxx_chip *chip = container_of(work,
440 						   struct mv88e6xxx_chip,
441 						   irq_poll_work.work);
442 	mv88e6xxx_g1_irq_thread_work(chip);
443 
444 	kthread_queue_delayed_work(chip->kworker, &chip->irq_poll_work,
445 				   msecs_to_jiffies(100));
446 }
447 
448 static int mv88e6xxx_irq_poll_setup(struct mv88e6xxx_chip *chip)
449 {
450 	int err;
451 
452 	err = mv88e6xxx_g1_irq_setup_common(chip);
453 	if (err)
454 		return err;
455 
456 	kthread_init_delayed_work(&chip->irq_poll_work,
457 				  mv88e6xxx_irq_poll);
458 
459 	chip->kworker = kthread_create_worker(0, dev_name(chip->dev));
460 	if (IS_ERR(chip->kworker))
461 		return PTR_ERR(chip->kworker);
462 
463 	kthread_queue_delayed_work(chip->kworker, &chip->irq_poll_work,
464 				   msecs_to_jiffies(100));
465 
466 	return 0;
467 }
468 
469 static void mv88e6xxx_irq_poll_free(struct mv88e6xxx_chip *chip)
470 {
471 	mv88e6xxx_g1_irq_free_common(chip);
472 
473 	kthread_cancel_delayed_work_sync(&chip->irq_poll_work);
474 	kthread_destroy_worker(chip->kworker);
475 }
476 
477 int mv88e6xxx_wait(struct mv88e6xxx_chip *chip, int addr, int reg, u16 mask)
478 {
479 	int i;
480 
481 	for (i = 0; i < 16; i++) {
482 		u16 val;
483 		int err;
484 
485 		err = mv88e6xxx_read(chip, addr, reg, &val);
486 		if (err)
487 			return err;
488 
489 		if (!(val & mask))
490 			return 0;
491 
492 		usleep_range(1000, 2000);
493 	}
494 
495 	dev_err(chip->dev, "Timeout while waiting for switch\n");
496 	return -ETIMEDOUT;
497 }
498 
499 /* Indirect write to single pointer-data register with an Update bit */
500 int mv88e6xxx_update(struct mv88e6xxx_chip *chip, int addr, int reg, u16 update)
501 {
502 	u16 val;
503 	int err;
504 
505 	/* Wait until the previous operation is completed */
506 	err = mv88e6xxx_wait(chip, addr, reg, BIT(15));
507 	if (err)
508 		return err;
509 
510 	/* Set the Update bit to trigger a write operation */
511 	val = BIT(15) | update;
512 
513 	return mv88e6xxx_write(chip, addr, reg, val);
514 }
515 
516 static int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port,
517 				    int link, int speed, int duplex,
518 				    phy_interface_t mode)
519 {
520 	int err;
521 
522 	if (!chip->info->ops->port_set_link)
523 		return 0;
524 
525 	/* Port's MAC control must not be changed unless the link is down */
526 	err = chip->info->ops->port_set_link(chip, port, 0);
527 	if (err)
528 		return err;
529 
530 	if (chip->info->ops->port_set_speed) {
531 		err = chip->info->ops->port_set_speed(chip, port, speed);
532 		if (err && err != -EOPNOTSUPP)
533 			goto restore_link;
534 	}
535 
536 	if (chip->info->ops->port_set_duplex) {
537 		err = chip->info->ops->port_set_duplex(chip, port, duplex);
538 		if (err && err != -EOPNOTSUPP)
539 			goto restore_link;
540 	}
541 
542 	if (chip->info->ops->port_set_rgmii_delay) {
543 		err = chip->info->ops->port_set_rgmii_delay(chip, port, mode);
544 		if (err && err != -EOPNOTSUPP)
545 			goto restore_link;
546 	}
547 
548 	if (chip->info->ops->port_set_cmode) {
549 		err = chip->info->ops->port_set_cmode(chip, port, mode);
550 		if (err && err != -EOPNOTSUPP)
551 			goto restore_link;
552 	}
553 
554 	err = 0;
555 restore_link:
556 	if (chip->info->ops->port_set_link(chip, port, link))
557 		dev_err(chip->dev, "p%d: failed to restore MAC's link\n", port);
558 
559 	return err;
560 }
561 
562 /* We expect the switch to perform auto negotiation if there is a real
563  * phy. However, in the case of a fixed link phy, we force the port
564  * settings from the fixed link settings.
565  */
566 static void mv88e6xxx_adjust_link(struct dsa_switch *ds, int port,
567 				  struct phy_device *phydev)
568 {
569 	struct mv88e6xxx_chip *chip = ds->priv;
570 	int err;
571 
572 	if (!phy_is_pseudo_fixed_link(phydev))
573 		return;
574 
575 	mutex_lock(&chip->reg_lock);
576 	err = mv88e6xxx_port_setup_mac(chip, port, phydev->link, phydev->speed,
577 				       phydev->duplex, phydev->interface);
578 	mutex_unlock(&chip->reg_lock);
579 
580 	if (err && err != -EOPNOTSUPP)
581 		dev_err(ds->dev, "p%d: failed to configure MAC\n", port);
582 }
583 
584 static void mv88e6xxx_validate(struct dsa_switch *ds, int port,
585 			       unsigned long *supported,
586 			       struct phylink_link_state *state)
587 {
588 }
589 
590 static int mv88e6xxx_link_state(struct dsa_switch *ds, int port,
591 				struct phylink_link_state *state)
592 {
593 	struct mv88e6xxx_chip *chip = ds->priv;
594 	int err;
595 
596 	mutex_lock(&chip->reg_lock);
597 	err = mv88e6xxx_port_link_state(chip, port, state);
598 	mutex_unlock(&chip->reg_lock);
599 
600 	return err;
601 }
602 
603 static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port,
604 				 unsigned int mode,
605 				 const struct phylink_link_state *state)
606 {
607 	struct mv88e6xxx_chip *chip = ds->priv;
608 	int speed, duplex, link, err;
609 
610 	if (mode == MLO_AN_PHY)
611 		return;
612 
613 	if (mode == MLO_AN_FIXED) {
614 		link = LINK_FORCED_UP;
615 		speed = state->speed;
616 		duplex = state->duplex;
617 	} else {
618 		speed = SPEED_UNFORCED;
619 		duplex = DUPLEX_UNFORCED;
620 		link = LINK_UNFORCED;
621 	}
622 
623 	mutex_lock(&chip->reg_lock);
624 	err = mv88e6xxx_port_setup_mac(chip, port, link, speed, duplex,
625 				       state->interface);
626 	mutex_unlock(&chip->reg_lock);
627 
628 	if (err && err != -EOPNOTSUPP)
629 		dev_err(ds->dev, "p%d: failed to configure MAC\n", port);
630 }
631 
632 static void mv88e6xxx_mac_link_force(struct dsa_switch *ds, int port, int link)
633 {
634 	struct mv88e6xxx_chip *chip = ds->priv;
635 	int err;
636 
637 	mutex_lock(&chip->reg_lock);
638 	err = chip->info->ops->port_set_link(chip, port, link);
639 	mutex_unlock(&chip->reg_lock);
640 
641 	if (err)
642 		dev_err(chip->dev, "p%d: failed to force MAC link\n", port);
643 }
644 
645 static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port,
646 				    unsigned int mode,
647 				    phy_interface_t interface)
648 {
649 	if (mode == MLO_AN_FIXED)
650 		mv88e6xxx_mac_link_force(ds, port, LINK_FORCED_DOWN);
651 }
652 
653 static void mv88e6xxx_mac_link_up(struct dsa_switch *ds, int port,
654 				  unsigned int mode, phy_interface_t interface,
655 				  struct phy_device *phydev)
656 {
657 	if (mode == MLO_AN_FIXED)
658 		mv88e6xxx_mac_link_force(ds, port, LINK_FORCED_UP);
659 }
660 
661 static int mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip *chip, int port)
662 {
663 	if (!chip->info->ops->stats_snapshot)
664 		return -EOPNOTSUPP;
665 
666 	return chip->info->ops->stats_snapshot(chip, port);
667 }
668 
669 static struct mv88e6xxx_hw_stat mv88e6xxx_hw_stats[] = {
670 	{ "in_good_octets",		8, 0x00, STATS_TYPE_BANK0, },
671 	{ "in_bad_octets",		4, 0x02, STATS_TYPE_BANK0, },
672 	{ "in_unicast",			4, 0x04, STATS_TYPE_BANK0, },
673 	{ "in_broadcasts",		4, 0x06, STATS_TYPE_BANK0, },
674 	{ "in_multicasts",		4, 0x07, STATS_TYPE_BANK0, },
675 	{ "in_pause",			4, 0x16, STATS_TYPE_BANK0, },
676 	{ "in_undersize",		4, 0x18, STATS_TYPE_BANK0, },
677 	{ "in_fragments",		4, 0x19, STATS_TYPE_BANK0, },
678 	{ "in_oversize",		4, 0x1a, STATS_TYPE_BANK0, },
679 	{ "in_jabber",			4, 0x1b, STATS_TYPE_BANK0, },
680 	{ "in_rx_error",		4, 0x1c, STATS_TYPE_BANK0, },
681 	{ "in_fcs_error",		4, 0x1d, STATS_TYPE_BANK0, },
682 	{ "out_octets",			8, 0x0e, STATS_TYPE_BANK0, },
683 	{ "out_unicast",		4, 0x10, STATS_TYPE_BANK0, },
684 	{ "out_broadcasts",		4, 0x13, STATS_TYPE_BANK0, },
685 	{ "out_multicasts",		4, 0x12, STATS_TYPE_BANK0, },
686 	{ "out_pause",			4, 0x15, STATS_TYPE_BANK0, },
687 	{ "excessive",			4, 0x11, STATS_TYPE_BANK0, },
688 	{ "collisions",			4, 0x1e, STATS_TYPE_BANK0, },
689 	{ "deferred",			4, 0x05, STATS_TYPE_BANK0, },
690 	{ "single",			4, 0x14, STATS_TYPE_BANK0, },
691 	{ "multiple",			4, 0x17, STATS_TYPE_BANK0, },
692 	{ "out_fcs_error",		4, 0x03, STATS_TYPE_BANK0, },
693 	{ "late",			4, 0x1f, STATS_TYPE_BANK0, },
694 	{ "hist_64bytes",		4, 0x08, STATS_TYPE_BANK0, },
695 	{ "hist_65_127bytes",		4, 0x09, STATS_TYPE_BANK0, },
696 	{ "hist_128_255bytes",		4, 0x0a, STATS_TYPE_BANK0, },
697 	{ "hist_256_511bytes",		4, 0x0b, STATS_TYPE_BANK0, },
698 	{ "hist_512_1023bytes",		4, 0x0c, STATS_TYPE_BANK0, },
699 	{ "hist_1024_max_bytes",	4, 0x0d, STATS_TYPE_BANK0, },
700 	{ "sw_in_discards",		4, 0x10, STATS_TYPE_PORT, },
701 	{ "sw_in_filtered",		2, 0x12, STATS_TYPE_PORT, },
702 	{ "sw_out_filtered",		2, 0x13, STATS_TYPE_PORT, },
703 	{ "in_discards",		4, 0x00, STATS_TYPE_BANK1, },
704 	{ "in_filtered",		4, 0x01, STATS_TYPE_BANK1, },
705 	{ "in_accepted",		4, 0x02, STATS_TYPE_BANK1, },
706 	{ "in_bad_accepted",		4, 0x03, STATS_TYPE_BANK1, },
707 	{ "in_good_avb_class_a",	4, 0x04, STATS_TYPE_BANK1, },
708 	{ "in_good_avb_class_b",	4, 0x05, STATS_TYPE_BANK1, },
709 	{ "in_bad_avb_class_a",		4, 0x06, STATS_TYPE_BANK1, },
710 	{ "in_bad_avb_class_b",		4, 0x07, STATS_TYPE_BANK1, },
711 	{ "tcam_counter_0",		4, 0x08, STATS_TYPE_BANK1, },
712 	{ "tcam_counter_1",		4, 0x09, STATS_TYPE_BANK1, },
713 	{ "tcam_counter_2",		4, 0x0a, STATS_TYPE_BANK1, },
714 	{ "tcam_counter_3",		4, 0x0b, STATS_TYPE_BANK1, },
715 	{ "in_da_unknown",		4, 0x0e, STATS_TYPE_BANK1, },
716 	{ "in_management",		4, 0x0f, STATS_TYPE_BANK1, },
717 	{ "out_queue_0",		4, 0x10, STATS_TYPE_BANK1, },
718 	{ "out_queue_1",		4, 0x11, STATS_TYPE_BANK1, },
719 	{ "out_queue_2",		4, 0x12, STATS_TYPE_BANK1, },
720 	{ "out_queue_3",		4, 0x13, STATS_TYPE_BANK1, },
721 	{ "out_queue_4",		4, 0x14, STATS_TYPE_BANK1, },
722 	{ "out_queue_5",		4, 0x15, STATS_TYPE_BANK1, },
723 	{ "out_queue_6",		4, 0x16, STATS_TYPE_BANK1, },
724 	{ "out_queue_7",		4, 0x17, STATS_TYPE_BANK1, },
725 	{ "out_cut_through",		4, 0x18, STATS_TYPE_BANK1, },
726 	{ "out_octets_a",		4, 0x1a, STATS_TYPE_BANK1, },
727 	{ "out_octets_b",		4, 0x1b, STATS_TYPE_BANK1, },
728 	{ "out_management",		4, 0x1f, STATS_TYPE_BANK1, },
729 };
730 
731 static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip,
732 					    struct mv88e6xxx_hw_stat *s,
733 					    int port, u16 bank1_select,
734 					    u16 histogram)
735 {
736 	u32 low;
737 	u32 high = 0;
738 	u16 reg = 0;
739 	int err;
740 	u64 value;
741 
742 	switch (s->type) {
743 	case STATS_TYPE_PORT:
744 		err = mv88e6xxx_port_read(chip, port, s->reg, &reg);
745 		if (err)
746 			return U64_MAX;
747 
748 		low = reg;
749 		if (s->size == 4) {
750 			err = mv88e6xxx_port_read(chip, port, s->reg + 1, &reg);
751 			if (err)
752 				return U64_MAX;
753 			high = reg;
754 		}
755 		break;
756 	case STATS_TYPE_BANK1:
757 		reg = bank1_select;
758 		/* fall through */
759 	case STATS_TYPE_BANK0:
760 		reg |= s->reg | histogram;
761 		mv88e6xxx_g1_stats_read(chip, reg, &low);
762 		if (s->size == 8)
763 			mv88e6xxx_g1_stats_read(chip, reg + 1, &high);
764 		break;
765 	default:
766 		return U64_MAX;
767 	}
768 	value = (((u64)high) << 16) | low;
769 	return value;
770 }
771 
772 static int mv88e6xxx_stats_get_strings(struct mv88e6xxx_chip *chip,
773 				       uint8_t *data, int types)
774 {
775 	struct mv88e6xxx_hw_stat *stat;
776 	int i, j;
777 
778 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
779 		stat = &mv88e6xxx_hw_stats[i];
780 		if (stat->type & types) {
781 			memcpy(data + j * ETH_GSTRING_LEN, stat->string,
782 			       ETH_GSTRING_LEN);
783 			j++;
784 		}
785 	}
786 
787 	return j;
788 }
789 
790 static int mv88e6095_stats_get_strings(struct mv88e6xxx_chip *chip,
791 				       uint8_t *data)
792 {
793 	return mv88e6xxx_stats_get_strings(chip, data,
794 					   STATS_TYPE_BANK0 | STATS_TYPE_PORT);
795 }
796 
797 static int mv88e6320_stats_get_strings(struct mv88e6xxx_chip *chip,
798 				       uint8_t *data)
799 {
800 	return mv88e6xxx_stats_get_strings(chip, data,
801 					   STATS_TYPE_BANK0 | STATS_TYPE_BANK1);
802 }
803 
804 static const uint8_t *mv88e6xxx_atu_vtu_stats_strings[] = {
805 	"atu_member_violation",
806 	"atu_miss_violation",
807 	"atu_full_violation",
808 	"vtu_member_violation",
809 	"vtu_miss_violation",
810 };
811 
812 static void mv88e6xxx_atu_vtu_get_strings(uint8_t *data)
813 {
814 	unsigned int i;
815 
816 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings); i++)
817 		strlcpy(data + i * ETH_GSTRING_LEN,
818 			mv88e6xxx_atu_vtu_stats_strings[i],
819 			ETH_GSTRING_LEN);
820 }
821 
822 static void mv88e6xxx_get_strings(struct dsa_switch *ds, int port,
823 				  u32 stringset, uint8_t *data)
824 {
825 	struct mv88e6xxx_chip *chip = ds->priv;
826 	int count = 0;
827 
828 	if (stringset != ETH_SS_STATS)
829 		return;
830 
831 	mutex_lock(&chip->reg_lock);
832 
833 	if (chip->info->ops->stats_get_strings)
834 		count = chip->info->ops->stats_get_strings(chip, data);
835 
836 	if (chip->info->ops->serdes_get_strings) {
837 		data += count * ETH_GSTRING_LEN;
838 		count = chip->info->ops->serdes_get_strings(chip, port, data);
839 	}
840 
841 	data += count * ETH_GSTRING_LEN;
842 	mv88e6xxx_atu_vtu_get_strings(data);
843 
844 	mutex_unlock(&chip->reg_lock);
845 }
846 
847 static int mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip *chip,
848 					  int types)
849 {
850 	struct mv88e6xxx_hw_stat *stat;
851 	int i, j;
852 
853 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
854 		stat = &mv88e6xxx_hw_stats[i];
855 		if (stat->type & types)
856 			j++;
857 	}
858 	return j;
859 }
860 
861 static int mv88e6095_stats_get_sset_count(struct mv88e6xxx_chip *chip)
862 {
863 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
864 					      STATS_TYPE_PORT);
865 }
866 
867 static int mv88e6320_stats_get_sset_count(struct mv88e6xxx_chip *chip)
868 {
869 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
870 					      STATS_TYPE_BANK1);
871 }
872 
873 static int mv88e6xxx_get_sset_count(struct dsa_switch *ds, int port, int sset)
874 {
875 	struct mv88e6xxx_chip *chip = ds->priv;
876 	int serdes_count = 0;
877 	int count = 0;
878 
879 	if (sset != ETH_SS_STATS)
880 		return 0;
881 
882 	mutex_lock(&chip->reg_lock);
883 	if (chip->info->ops->stats_get_sset_count)
884 		count = chip->info->ops->stats_get_sset_count(chip);
885 	if (count < 0)
886 		goto out;
887 
888 	if (chip->info->ops->serdes_get_sset_count)
889 		serdes_count = chip->info->ops->serdes_get_sset_count(chip,
890 								      port);
891 	if (serdes_count < 0) {
892 		count = serdes_count;
893 		goto out;
894 	}
895 	count += serdes_count;
896 	count += ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings);
897 
898 out:
899 	mutex_unlock(&chip->reg_lock);
900 
901 	return count;
902 }
903 
904 static int mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
905 				     uint64_t *data, int types,
906 				     u16 bank1_select, u16 histogram)
907 {
908 	struct mv88e6xxx_hw_stat *stat;
909 	int i, j;
910 
911 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
912 		stat = &mv88e6xxx_hw_stats[i];
913 		if (stat->type & types) {
914 			mutex_lock(&chip->reg_lock);
915 			data[j] = _mv88e6xxx_get_ethtool_stat(chip, stat, port,
916 							      bank1_select,
917 							      histogram);
918 			mutex_unlock(&chip->reg_lock);
919 
920 			j++;
921 		}
922 	}
923 	return j;
924 }
925 
926 static int mv88e6095_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
927 				     uint64_t *data)
928 {
929 	return mv88e6xxx_stats_get_stats(chip, port, data,
930 					 STATS_TYPE_BANK0 | STATS_TYPE_PORT,
931 					 0, MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
932 }
933 
934 static int mv88e6320_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
935 				     uint64_t *data)
936 {
937 	return mv88e6xxx_stats_get_stats(chip, port, data,
938 					 STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
939 					 MV88E6XXX_G1_STATS_OP_BANK_1_BIT_9,
940 					 MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
941 }
942 
943 static int mv88e6390_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
944 				     uint64_t *data)
945 {
946 	return mv88e6xxx_stats_get_stats(chip, port, data,
947 					 STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
948 					 MV88E6XXX_G1_STATS_OP_BANK_1_BIT_10,
949 					 0);
950 }
951 
952 static void mv88e6xxx_atu_vtu_get_stats(struct mv88e6xxx_chip *chip, int port,
953 					uint64_t *data)
954 {
955 	*data++ = chip->ports[port].atu_member_violation;
956 	*data++ = chip->ports[port].atu_miss_violation;
957 	*data++ = chip->ports[port].atu_full_violation;
958 	*data++ = chip->ports[port].vtu_member_violation;
959 	*data++ = chip->ports[port].vtu_miss_violation;
960 }
961 
962 static void mv88e6xxx_get_stats(struct mv88e6xxx_chip *chip, int port,
963 				uint64_t *data)
964 {
965 	int count = 0;
966 
967 	if (chip->info->ops->stats_get_stats)
968 		count = chip->info->ops->stats_get_stats(chip, port, data);
969 
970 	mutex_lock(&chip->reg_lock);
971 	if (chip->info->ops->serdes_get_stats) {
972 		data += count;
973 		count = chip->info->ops->serdes_get_stats(chip, port, data);
974 	}
975 	data += count;
976 	mv88e6xxx_atu_vtu_get_stats(chip, port, data);
977 	mutex_unlock(&chip->reg_lock);
978 }
979 
980 static void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds, int port,
981 					uint64_t *data)
982 {
983 	struct mv88e6xxx_chip *chip = ds->priv;
984 	int ret;
985 
986 	mutex_lock(&chip->reg_lock);
987 
988 	ret = mv88e6xxx_stats_snapshot(chip, port);
989 	mutex_unlock(&chip->reg_lock);
990 
991 	if (ret < 0)
992 		return;
993 
994 	mv88e6xxx_get_stats(chip, port, data);
995 
996 }
997 
998 static int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port)
999 {
1000 	return 32 * sizeof(u16);
1001 }
1002 
1003 static void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,
1004 			       struct ethtool_regs *regs, void *_p)
1005 {
1006 	struct mv88e6xxx_chip *chip = ds->priv;
1007 	int err;
1008 	u16 reg;
1009 	u16 *p = _p;
1010 	int i;
1011 
1012 	regs->version = 0;
1013 
1014 	memset(p, 0xff, 32 * sizeof(u16));
1015 
1016 	mutex_lock(&chip->reg_lock);
1017 
1018 	for (i = 0; i < 32; i++) {
1019 
1020 		err = mv88e6xxx_port_read(chip, port, i, &reg);
1021 		if (!err)
1022 			p[i] = reg;
1023 	}
1024 
1025 	mutex_unlock(&chip->reg_lock);
1026 }
1027 
1028 static int mv88e6xxx_get_mac_eee(struct dsa_switch *ds, int port,
1029 				 struct ethtool_eee *e)
1030 {
1031 	/* Nothing to do on the port's MAC */
1032 	return 0;
1033 }
1034 
1035 static int mv88e6xxx_set_mac_eee(struct dsa_switch *ds, int port,
1036 				 struct ethtool_eee *e)
1037 {
1038 	/* Nothing to do on the port's MAC */
1039 	return 0;
1040 }
1041 
1042 static u16 mv88e6xxx_port_vlan(struct mv88e6xxx_chip *chip, int dev, int port)
1043 {
1044 	struct dsa_switch *ds = NULL;
1045 	struct net_device *br;
1046 	u16 pvlan;
1047 	int i;
1048 
1049 	if (dev < DSA_MAX_SWITCHES)
1050 		ds = chip->ds->dst->ds[dev];
1051 
1052 	/* Prevent frames from unknown switch or port */
1053 	if (!ds || port >= ds->num_ports)
1054 		return 0;
1055 
1056 	/* Frames from DSA links and CPU ports can egress any local port */
1057 	if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))
1058 		return mv88e6xxx_port_mask(chip);
1059 
1060 	br = ds->ports[port].bridge_dev;
1061 	pvlan = 0;
1062 
1063 	/* Frames from user ports can egress any local DSA links and CPU ports,
1064 	 * as well as any local member of their bridge group.
1065 	 */
1066 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
1067 		if (dsa_is_cpu_port(chip->ds, i) ||
1068 		    dsa_is_dsa_port(chip->ds, i) ||
1069 		    (br && dsa_to_port(chip->ds, i)->bridge_dev == br))
1070 			pvlan |= BIT(i);
1071 
1072 	return pvlan;
1073 }
1074 
1075 static int mv88e6xxx_port_vlan_map(struct mv88e6xxx_chip *chip, int port)
1076 {
1077 	u16 output_ports = mv88e6xxx_port_vlan(chip, chip->ds->index, port);
1078 
1079 	/* prevent frames from going back out of the port they came in on */
1080 	output_ports &= ~BIT(port);
1081 
1082 	return mv88e6xxx_port_set_vlan_map(chip, port, output_ports);
1083 }
1084 
1085 static void mv88e6xxx_port_stp_state_set(struct dsa_switch *ds, int port,
1086 					 u8 state)
1087 {
1088 	struct mv88e6xxx_chip *chip = ds->priv;
1089 	int err;
1090 
1091 	mutex_lock(&chip->reg_lock);
1092 	err = mv88e6xxx_port_set_state(chip, port, state);
1093 	mutex_unlock(&chip->reg_lock);
1094 
1095 	if (err)
1096 		dev_err(ds->dev, "p%d: failed to update state\n", port);
1097 }
1098 
1099 static int mv88e6xxx_pri_setup(struct mv88e6xxx_chip *chip)
1100 {
1101 	int err;
1102 
1103 	if (chip->info->ops->ieee_pri_map) {
1104 		err = chip->info->ops->ieee_pri_map(chip);
1105 		if (err)
1106 			return err;
1107 	}
1108 
1109 	if (chip->info->ops->ip_pri_map) {
1110 		err = chip->info->ops->ip_pri_map(chip);
1111 		if (err)
1112 			return err;
1113 	}
1114 
1115 	return 0;
1116 }
1117 
1118 static int mv88e6xxx_devmap_setup(struct mv88e6xxx_chip *chip)
1119 {
1120 	int target, port;
1121 	int err;
1122 
1123 	if (!chip->info->global2_addr)
1124 		return 0;
1125 
1126 	/* Initialize the routing port to the 32 possible target devices */
1127 	for (target = 0; target < 32; target++) {
1128 		port = 0x1f;
1129 		if (target < DSA_MAX_SWITCHES)
1130 			if (chip->ds->rtable[target] != DSA_RTABLE_NONE)
1131 				port = chip->ds->rtable[target];
1132 
1133 		err = mv88e6xxx_g2_device_mapping_write(chip, target, port);
1134 		if (err)
1135 			return err;
1136 	}
1137 
1138 	if (chip->info->ops->set_cascade_port) {
1139 		port = MV88E6XXX_CASCADE_PORT_MULTIPLE;
1140 		err = chip->info->ops->set_cascade_port(chip, port);
1141 		if (err)
1142 			return err;
1143 	}
1144 
1145 	err = mv88e6xxx_g1_set_device_number(chip, chip->ds->index);
1146 	if (err)
1147 		return err;
1148 
1149 	return 0;
1150 }
1151 
1152 static int mv88e6xxx_trunk_setup(struct mv88e6xxx_chip *chip)
1153 {
1154 	/* Clear all trunk masks and mapping */
1155 	if (chip->info->global2_addr)
1156 		return mv88e6xxx_g2_trunk_clear(chip);
1157 
1158 	return 0;
1159 }
1160 
1161 static int mv88e6xxx_rmu_setup(struct mv88e6xxx_chip *chip)
1162 {
1163 	if (chip->info->ops->rmu_disable)
1164 		return chip->info->ops->rmu_disable(chip);
1165 
1166 	return 0;
1167 }
1168 
1169 static int mv88e6xxx_pot_setup(struct mv88e6xxx_chip *chip)
1170 {
1171 	if (chip->info->ops->pot_clear)
1172 		return chip->info->ops->pot_clear(chip);
1173 
1174 	return 0;
1175 }
1176 
1177 static int mv88e6xxx_rsvd2cpu_setup(struct mv88e6xxx_chip *chip)
1178 {
1179 	if (chip->info->ops->mgmt_rsvd2cpu)
1180 		return chip->info->ops->mgmt_rsvd2cpu(chip);
1181 
1182 	return 0;
1183 }
1184 
1185 static int mv88e6xxx_atu_setup(struct mv88e6xxx_chip *chip)
1186 {
1187 	int err;
1188 
1189 	err = mv88e6xxx_g1_atu_flush(chip, 0, true);
1190 	if (err)
1191 		return err;
1192 
1193 	err = mv88e6xxx_g1_atu_set_learn2all(chip, true);
1194 	if (err)
1195 		return err;
1196 
1197 	return mv88e6xxx_g1_atu_set_age_time(chip, 300000);
1198 }
1199 
1200 static int mv88e6xxx_irl_setup(struct mv88e6xxx_chip *chip)
1201 {
1202 	int port;
1203 	int err;
1204 
1205 	if (!chip->info->ops->irl_init_all)
1206 		return 0;
1207 
1208 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
1209 		/* Disable ingress rate limiting by resetting all per port
1210 		 * ingress rate limit resources to their initial state.
1211 		 */
1212 		err = chip->info->ops->irl_init_all(chip, port);
1213 		if (err)
1214 			return err;
1215 	}
1216 
1217 	return 0;
1218 }
1219 
1220 static int mv88e6xxx_mac_setup(struct mv88e6xxx_chip *chip)
1221 {
1222 	if (chip->info->ops->set_switch_mac) {
1223 		u8 addr[ETH_ALEN];
1224 
1225 		eth_random_addr(addr);
1226 
1227 		return chip->info->ops->set_switch_mac(chip, addr);
1228 	}
1229 
1230 	return 0;
1231 }
1232 
1233 static int mv88e6xxx_pvt_map(struct mv88e6xxx_chip *chip, int dev, int port)
1234 {
1235 	u16 pvlan = 0;
1236 
1237 	if (!mv88e6xxx_has_pvt(chip))
1238 		return -EOPNOTSUPP;
1239 
1240 	/* Skip the local source device, which uses in-chip port VLAN */
1241 	if (dev != chip->ds->index)
1242 		pvlan = mv88e6xxx_port_vlan(chip, dev, port);
1243 
1244 	return mv88e6xxx_g2_pvt_write(chip, dev, port, pvlan);
1245 }
1246 
1247 static int mv88e6xxx_pvt_setup(struct mv88e6xxx_chip *chip)
1248 {
1249 	int dev, port;
1250 	int err;
1251 
1252 	if (!mv88e6xxx_has_pvt(chip))
1253 		return 0;
1254 
1255 	/* Clear 5 Bit Port for usage with Marvell Link Street devices:
1256 	 * use 4 bits for the Src_Port/Src_Trunk and 5 bits for the Src_Dev.
1257 	 */
1258 	err = mv88e6xxx_g2_misc_4_bit_port(chip);
1259 	if (err)
1260 		return err;
1261 
1262 	for (dev = 0; dev < MV88E6XXX_MAX_PVT_SWITCHES; ++dev) {
1263 		for (port = 0; port < MV88E6XXX_MAX_PVT_PORTS; ++port) {
1264 			err = mv88e6xxx_pvt_map(chip, dev, port);
1265 			if (err)
1266 				return err;
1267 		}
1268 	}
1269 
1270 	return 0;
1271 }
1272 
1273 static void mv88e6xxx_port_fast_age(struct dsa_switch *ds, int port)
1274 {
1275 	struct mv88e6xxx_chip *chip = ds->priv;
1276 	int err;
1277 
1278 	mutex_lock(&chip->reg_lock);
1279 	err = mv88e6xxx_g1_atu_remove(chip, 0, port, false);
1280 	mutex_unlock(&chip->reg_lock);
1281 
1282 	if (err)
1283 		dev_err(ds->dev, "p%d: failed to flush ATU\n", port);
1284 }
1285 
1286 static int mv88e6xxx_vtu_setup(struct mv88e6xxx_chip *chip)
1287 {
1288 	if (!chip->info->max_vid)
1289 		return 0;
1290 
1291 	return mv88e6xxx_g1_vtu_flush(chip);
1292 }
1293 
1294 static int mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
1295 				 struct mv88e6xxx_vtu_entry *entry)
1296 {
1297 	if (!chip->info->ops->vtu_getnext)
1298 		return -EOPNOTSUPP;
1299 
1300 	return chip->info->ops->vtu_getnext(chip, entry);
1301 }
1302 
1303 static int mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
1304 				   struct mv88e6xxx_vtu_entry *entry)
1305 {
1306 	if (!chip->info->ops->vtu_loadpurge)
1307 		return -EOPNOTSUPP;
1308 
1309 	return chip->info->ops->vtu_loadpurge(chip, entry);
1310 }
1311 
1312 static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
1313 {
1314 	DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID);
1315 	struct mv88e6xxx_vtu_entry vlan = {
1316 		.vid = chip->info->max_vid,
1317 	};
1318 	int i, err;
1319 
1320 	bitmap_zero(fid_bitmap, MV88E6XXX_N_FID);
1321 
1322 	/* Set every FID bit used by the (un)bridged ports */
1323 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
1324 		err = mv88e6xxx_port_get_fid(chip, i, fid);
1325 		if (err)
1326 			return err;
1327 
1328 		set_bit(*fid, fid_bitmap);
1329 	}
1330 
1331 	/* Set every FID bit used by the VLAN entries */
1332 	do {
1333 		err = mv88e6xxx_vtu_getnext(chip, &vlan);
1334 		if (err)
1335 			return err;
1336 
1337 		if (!vlan.valid)
1338 			break;
1339 
1340 		set_bit(vlan.fid, fid_bitmap);
1341 	} while (vlan.vid < chip->info->max_vid);
1342 
1343 	/* The reset value 0x000 is used to indicate that multiple address
1344 	 * databases are not needed. Return the next positive available.
1345 	 */
1346 	*fid = find_next_zero_bit(fid_bitmap, MV88E6XXX_N_FID, 1);
1347 	if (unlikely(*fid >= mv88e6xxx_num_databases(chip)))
1348 		return -ENOSPC;
1349 
1350 	/* Clear the database */
1351 	return mv88e6xxx_g1_atu_flush(chip, *fid, true);
1352 }
1353 
1354 static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
1355 			     struct mv88e6xxx_vtu_entry *entry, bool new)
1356 {
1357 	int err;
1358 
1359 	if (!vid)
1360 		return -EINVAL;
1361 
1362 	entry->vid = vid - 1;
1363 	entry->valid = false;
1364 
1365 	err = mv88e6xxx_vtu_getnext(chip, entry);
1366 	if (err)
1367 		return err;
1368 
1369 	if (entry->vid == vid && entry->valid)
1370 		return 0;
1371 
1372 	if (new) {
1373 		int i;
1374 
1375 		/* Initialize a fresh VLAN entry */
1376 		memset(entry, 0, sizeof(*entry));
1377 		entry->valid = true;
1378 		entry->vid = vid;
1379 
1380 		/* Exclude all ports */
1381 		for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
1382 			entry->member[i] =
1383 				MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
1384 
1385 		return mv88e6xxx_atu_new(chip, &entry->fid);
1386 	}
1387 
1388 	/* switchdev expects -EOPNOTSUPP to honor software VLANs */
1389 	return -EOPNOTSUPP;
1390 }
1391 
1392 static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
1393 					u16 vid_begin, u16 vid_end)
1394 {
1395 	struct mv88e6xxx_chip *chip = ds->priv;
1396 	struct mv88e6xxx_vtu_entry vlan = {
1397 		.vid = vid_begin - 1,
1398 	};
1399 	int i, err;
1400 
1401 	/* DSA and CPU ports have to be members of multiple vlans */
1402 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
1403 		return 0;
1404 
1405 	if (!vid_begin)
1406 		return -EOPNOTSUPP;
1407 
1408 	mutex_lock(&chip->reg_lock);
1409 
1410 	do {
1411 		err = mv88e6xxx_vtu_getnext(chip, &vlan);
1412 		if (err)
1413 			goto unlock;
1414 
1415 		if (!vlan.valid)
1416 			break;
1417 
1418 		if (vlan.vid > vid_end)
1419 			break;
1420 
1421 		for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
1422 			if (dsa_is_dsa_port(ds, i) || dsa_is_cpu_port(ds, i))
1423 				continue;
1424 
1425 			if (!ds->ports[i].slave)
1426 				continue;
1427 
1428 			if (vlan.member[i] ==
1429 			    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
1430 				continue;
1431 
1432 			if (dsa_to_port(ds, i)->bridge_dev ==
1433 			    ds->ports[port].bridge_dev)
1434 				break; /* same bridge, check next VLAN */
1435 
1436 			if (!dsa_to_port(ds, i)->bridge_dev)
1437 				continue;
1438 
1439 			dev_err(ds->dev, "p%d: hw VLAN %d already used by port %d in %s\n",
1440 				port, vlan.vid, i,
1441 				netdev_name(dsa_to_port(ds, i)->bridge_dev));
1442 			err = -EOPNOTSUPP;
1443 			goto unlock;
1444 		}
1445 	} while (vlan.vid < vid_end);
1446 
1447 unlock:
1448 	mutex_unlock(&chip->reg_lock);
1449 
1450 	return err;
1451 }
1452 
1453 static int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
1454 					 bool vlan_filtering)
1455 {
1456 	struct mv88e6xxx_chip *chip = ds->priv;
1457 	u16 mode = vlan_filtering ? MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE :
1458 		MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED;
1459 	int err;
1460 
1461 	if (!chip->info->max_vid)
1462 		return -EOPNOTSUPP;
1463 
1464 	mutex_lock(&chip->reg_lock);
1465 	err = mv88e6xxx_port_set_8021q_mode(chip, port, mode);
1466 	mutex_unlock(&chip->reg_lock);
1467 
1468 	return err;
1469 }
1470 
1471 static int
1472 mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port,
1473 			    const struct switchdev_obj_port_vlan *vlan)
1474 {
1475 	struct mv88e6xxx_chip *chip = ds->priv;
1476 	int err;
1477 
1478 	if (!chip->info->max_vid)
1479 		return -EOPNOTSUPP;
1480 
1481 	/* If the requested port doesn't belong to the same bridge as the VLAN
1482 	 * members, do not support it (yet) and fallback to software VLAN.
1483 	 */
1484 	err = mv88e6xxx_port_check_hw_vlan(ds, port, vlan->vid_begin,
1485 					   vlan->vid_end);
1486 	if (err)
1487 		return err;
1488 
1489 	/* We don't need any dynamic resource from the kernel (yet),
1490 	 * so skip the prepare phase.
1491 	 */
1492 	return 0;
1493 }
1494 
1495 static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port,
1496 					const unsigned char *addr, u16 vid,
1497 					u8 state)
1498 {
1499 	struct mv88e6xxx_vtu_entry vlan;
1500 	struct mv88e6xxx_atu_entry entry;
1501 	int err;
1502 
1503 	/* Null VLAN ID corresponds to the port private database */
1504 	if (vid == 0)
1505 		err = mv88e6xxx_port_get_fid(chip, port, &vlan.fid);
1506 	else
1507 		err = mv88e6xxx_vtu_get(chip, vid, &vlan, false);
1508 	if (err)
1509 		return err;
1510 
1511 	entry.state = MV88E6XXX_G1_ATU_DATA_STATE_UNUSED;
1512 	ether_addr_copy(entry.mac, addr);
1513 	eth_addr_dec(entry.mac);
1514 
1515 	err = mv88e6xxx_g1_atu_getnext(chip, vlan.fid, &entry);
1516 	if (err)
1517 		return err;
1518 
1519 	/* Initialize a fresh ATU entry if it isn't found */
1520 	if (entry.state == MV88E6XXX_G1_ATU_DATA_STATE_UNUSED ||
1521 	    !ether_addr_equal(entry.mac, addr)) {
1522 		memset(&entry, 0, sizeof(entry));
1523 		ether_addr_copy(entry.mac, addr);
1524 	}
1525 
1526 	/* Purge the ATU entry only if no port is using it anymore */
1527 	if (state == MV88E6XXX_G1_ATU_DATA_STATE_UNUSED) {
1528 		entry.portvec &= ~BIT(port);
1529 		if (!entry.portvec)
1530 			entry.state = MV88E6XXX_G1_ATU_DATA_STATE_UNUSED;
1531 	} else {
1532 		entry.portvec |= BIT(port);
1533 		entry.state = state;
1534 	}
1535 
1536 	return mv88e6xxx_g1_atu_loadpurge(chip, vlan.fid, &entry);
1537 }
1538 
1539 static int mv88e6xxx_port_add_broadcast(struct mv88e6xxx_chip *chip, int port,
1540 					u16 vid)
1541 {
1542 	const char broadcast[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1543 	u8 state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC;
1544 
1545 	return mv88e6xxx_port_db_load_purge(chip, port, broadcast, vid, state);
1546 }
1547 
1548 static int mv88e6xxx_broadcast_setup(struct mv88e6xxx_chip *chip, u16 vid)
1549 {
1550 	int port;
1551 	int err;
1552 
1553 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
1554 		err = mv88e6xxx_port_add_broadcast(chip, port, vid);
1555 		if (err)
1556 			return err;
1557 	}
1558 
1559 	return 0;
1560 }
1561 
1562 static int _mv88e6xxx_port_vlan_add(struct mv88e6xxx_chip *chip, int port,
1563 				    u16 vid, u8 member)
1564 {
1565 	struct mv88e6xxx_vtu_entry vlan;
1566 	int err;
1567 
1568 	err = mv88e6xxx_vtu_get(chip, vid, &vlan, true);
1569 	if (err)
1570 		return err;
1571 
1572 	vlan.member[port] = member;
1573 
1574 	err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
1575 	if (err)
1576 		return err;
1577 
1578 	return mv88e6xxx_broadcast_setup(chip, vid);
1579 }
1580 
1581 static void mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
1582 				    const struct switchdev_obj_port_vlan *vlan)
1583 {
1584 	struct mv88e6xxx_chip *chip = ds->priv;
1585 	bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
1586 	bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
1587 	u8 member;
1588 	u16 vid;
1589 
1590 	if (!chip->info->max_vid)
1591 		return;
1592 
1593 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
1594 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED;
1595 	else if (untagged)
1596 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED;
1597 	else
1598 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_TAGGED;
1599 
1600 	mutex_lock(&chip->reg_lock);
1601 
1602 	for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid)
1603 		if (_mv88e6xxx_port_vlan_add(chip, port, vid, member))
1604 			dev_err(ds->dev, "p%d: failed to add VLAN %d%c\n", port,
1605 				vid, untagged ? 'u' : 't');
1606 
1607 	if (pvid && mv88e6xxx_port_set_pvid(chip, port, vlan->vid_end))
1608 		dev_err(ds->dev, "p%d: failed to set PVID %d\n", port,
1609 			vlan->vid_end);
1610 
1611 	mutex_unlock(&chip->reg_lock);
1612 }
1613 
1614 static int _mv88e6xxx_port_vlan_del(struct mv88e6xxx_chip *chip,
1615 				    int port, u16 vid)
1616 {
1617 	struct mv88e6xxx_vtu_entry vlan;
1618 	int i, err;
1619 
1620 	err = mv88e6xxx_vtu_get(chip, vid, &vlan, false);
1621 	if (err)
1622 		return err;
1623 
1624 	/* Tell switchdev if this VLAN is handled in software */
1625 	if (vlan.member[port] == MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
1626 		return -EOPNOTSUPP;
1627 
1628 	vlan.member[port] = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
1629 
1630 	/* keep the VLAN unless all ports are excluded */
1631 	vlan.valid = false;
1632 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
1633 		if (vlan.member[i] !=
1634 		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
1635 			vlan.valid = true;
1636 			break;
1637 		}
1638 	}
1639 
1640 	err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
1641 	if (err)
1642 		return err;
1643 
1644 	return mv88e6xxx_g1_atu_remove(chip, vlan.fid, port, false);
1645 }
1646 
1647 static int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port,
1648 				   const struct switchdev_obj_port_vlan *vlan)
1649 {
1650 	struct mv88e6xxx_chip *chip = ds->priv;
1651 	u16 pvid, vid;
1652 	int err = 0;
1653 
1654 	if (!chip->info->max_vid)
1655 		return -EOPNOTSUPP;
1656 
1657 	mutex_lock(&chip->reg_lock);
1658 
1659 	err = mv88e6xxx_port_get_pvid(chip, port, &pvid);
1660 	if (err)
1661 		goto unlock;
1662 
1663 	for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid) {
1664 		err = _mv88e6xxx_port_vlan_del(chip, port, vid);
1665 		if (err)
1666 			goto unlock;
1667 
1668 		if (vid == pvid) {
1669 			err = mv88e6xxx_port_set_pvid(chip, port, 0);
1670 			if (err)
1671 				goto unlock;
1672 		}
1673 	}
1674 
1675 unlock:
1676 	mutex_unlock(&chip->reg_lock);
1677 
1678 	return err;
1679 }
1680 
1681 static int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
1682 				  const unsigned char *addr, u16 vid)
1683 {
1684 	struct mv88e6xxx_chip *chip = ds->priv;
1685 	int err;
1686 
1687 	mutex_lock(&chip->reg_lock);
1688 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
1689 					   MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
1690 	mutex_unlock(&chip->reg_lock);
1691 
1692 	return err;
1693 }
1694 
1695 static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
1696 				  const unsigned char *addr, u16 vid)
1697 {
1698 	struct mv88e6xxx_chip *chip = ds->priv;
1699 	int err;
1700 
1701 	mutex_lock(&chip->reg_lock);
1702 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
1703 					   MV88E6XXX_G1_ATU_DATA_STATE_UNUSED);
1704 	mutex_unlock(&chip->reg_lock);
1705 
1706 	return err;
1707 }
1708 
1709 static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip,
1710 				      u16 fid, u16 vid, int port,
1711 				      dsa_fdb_dump_cb_t *cb, void *data)
1712 {
1713 	struct mv88e6xxx_atu_entry addr;
1714 	bool is_static;
1715 	int err;
1716 
1717 	addr.state = MV88E6XXX_G1_ATU_DATA_STATE_UNUSED;
1718 	eth_broadcast_addr(addr.mac);
1719 
1720 	do {
1721 		mutex_lock(&chip->reg_lock);
1722 		err = mv88e6xxx_g1_atu_getnext(chip, fid, &addr);
1723 		mutex_unlock(&chip->reg_lock);
1724 		if (err)
1725 			return err;
1726 
1727 		if (addr.state == MV88E6XXX_G1_ATU_DATA_STATE_UNUSED)
1728 			break;
1729 
1730 		if (addr.trunk || (addr.portvec & BIT(port)) == 0)
1731 			continue;
1732 
1733 		if (!is_unicast_ether_addr(addr.mac))
1734 			continue;
1735 
1736 		is_static = (addr.state ==
1737 			     MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
1738 		err = cb(addr.mac, vid, is_static, data);
1739 		if (err)
1740 			return err;
1741 	} while (!is_broadcast_ether_addr(addr.mac));
1742 
1743 	return err;
1744 }
1745 
1746 static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
1747 				  dsa_fdb_dump_cb_t *cb, void *data)
1748 {
1749 	struct mv88e6xxx_vtu_entry vlan = {
1750 		.vid = chip->info->max_vid,
1751 	};
1752 	u16 fid;
1753 	int err;
1754 
1755 	/* Dump port's default Filtering Information Database (VLAN ID 0) */
1756 	mutex_lock(&chip->reg_lock);
1757 	err = mv88e6xxx_port_get_fid(chip, port, &fid);
1758 	mutex_unlock(&chip->reg_lock);
1759 
1760 	if (err)
1761 		return err;
1762 
1763 	err = mv88e6xxx_port_db_dump_fid(chip, fid, 0, port, cb, data);
1764 	if (err)
1765 		return err;
1766 
1767 	/* Dump VLANs' Filtering Information Databases */
1768 	do {
1769 		mutex_lock(&chip->reg_lock);
1770 		err = mv88e6xxx_vtu_getnext(chip, &vlan);
1771 		mutex_unlock(&chip->reg_lock);
1772 		if (err)
1773 			return err;
1774 
1775 		if (!vlan.valid)
1776 			break;
1777 
1778 		err = mv88e6xxx_port_db_dump_fid(chip, vlan.fid, vlan.vid, port,
1779 						 cb, data);
1780 		if (err)
1781 			return err;
1782 	} while (vlan.vid < chip->info->max_vid);
1783 
1784 	return err;
1785 }
1786 
1787 static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
1788 				   dsa_fdb_dump_cb_t *cb, void *data)
1789 {
1790 	struct mv88e6xxx_chip *chip = ds->priv;
1791 
1792 	return mv88e6xxx_port_db_dump(chip, port, cb, data);
1793 }
1794 
1795 static int mv88e6xxx_bridge_map(struct mv88e6xxx_chip *chip,
1796 				struct net_device *br)
1797 {
1798 	struct dsa_switch *ds;
1799 	int port;
1800 	int dev;
1801 	int err;
1802 
1803 	/* Remap the Port VLAN of each local bridge group member */
1804 	for (port = 0; port < mv88e6xxx_num_ports(chip); ++port) {
1805 		if (chip->ds->ports[port].bridge_dev == br) {
1806 			err = mv88e6xxx_port_vlan_map(chip, port);
1807 			if (err)
1808 				return err;
1809 		}
1810 	}
1811 
1812 	if (!mv88e6xxx_has_pvt(chip))
1813 		return 0;
1814 
1815 	/* Remap the Port VLAN of each cross-chip bridge group member */
1816 	for (dev = 0; dev < DSA_MAX_SWITCHES; ++dev) {
1817 		ds = chip->ds->dst->ds[dev];
1818 		if (!ds)
1819 			break;
1820 
1821 		for (port = 0; port < ds->num_ports; ++port) {
1822 			if (ds->ports[port].bridge_dev == br) {
1823 				err = mv88e6xxx_pvt_map(chip, dev, port);
1824 				if (err)
1825 					return err;
1826 			}
1827 		}
1828 	}
1829 
1830 	return 0;
1831 }
1832 
1833 static int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
1834 				      struct net_device *br)
1835 {
1836 	struct mv88e6xxx_chip *chip = ds->priv;
1837 	int err;
1838 
1839 	mutex_lock(&chip->reg_lock);
1840 	err = mv88e6xxx_bridge_map(chip, br);
1841 	mutex_unlock(&chip->reg_lock);
1842 
1843 	return err;
1844 }
1845 
1846 static void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port,
1847 					struct net_device *br)
1848 {
1849 	struct mv88e6xxx_chip *chip = ds->priv;
1850 
1851 	mutex_lock(&chip->reg_lock);
1852 	if (mv88e6xxx_bridge_map(chip, br) ||
1853 	    mv88e6xxx_port_vlan_map(chip, port))
1854 		dev_err(ds->dev, "failed to remap in-chip Port VLAN\n");
1855 	mutex_unlock(&chip->reg_lock);
1856 }
1857 
1858 static int mv88e6xxx_crosschip_bridge_join(struct dsa_switch *ds, int dev,
1859 					   int port, struct net_device *br)
1860 {
1861 	struct mv88e6xxx_chip *chip = ds->priv;
1862 	int err;
1863 
1864 	if (!mv88e6xxx_has_pvt(chip))
1865 		return 0;
1866 
1867 	mutex_lock(&chip->reg_lock);
1868 	err = mv88e6xxx_pvt_map(chip, dev, port);
1869 	mutex_unlock(&chip->reg_lock);
1870 
1871 	return err;
1872 }
1873 
1874 static void mv88e6xxx_crosschip_bridge_leave(struct dsa_switch *ds, int dev,
1875 					     int port, struct net_device *br)
1876 {
1877 	struct mv88e6xxx_chip *chip = ds->priv;
1878 
1879 	if (!mv88e6xxx_has_pvt(chip))
1880 		return;
1881 
1882 	mutex_lock(&chip->reg_lock);
1883 	if (mv88e6xxx_pvt_map(chip, dev, port))
1884 		dev_err(ds->dev, "failed to remap cross-chip Port VLAN\n");
1885 	mutex_unlock(&chip->reg_lock);
1886 }
1887 
1888 static int mv88e6xxx_software_reset(struct mv88e6xxx_chip *chip)
1889 {
1890 	if (chip->info->ops->reset)
1891 		return chip->info->ops->reset(chip);
1892 
1893 	return 0;
1894 }
1895 
1896 static void mv88e6xxx_hardware_reset(struct mv88e6xxx_chip *chip)
1897 {
1898 	struct gpio_desc *gpiod = chip->reset;
1899 
1900 	/* If there is a GPIO connected to the reset pin, toggle it */
1901 	if (gpiod) {
1902 		gpiod_set_value_cansleep(gpiod, 1);
1903 		usleep_range(10000, 20000);
1904 		gpiod_set_value_cansleep(gpiod, 0);
1905 		usleep_range(10000, 20000);
1906 	}
1907 }
1908 
1909 static int mv88e6xxx_disable_ports(struct mv88e6xxx_chip *chip)
1910 {
1911 	int i, err;
1912 
1913 	/* Set all ports to the Disabled state */
1914 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
1915 		err = mv88e6xxx_port_set_state(chip, i, BR_STATE_DISABLED);
1916 		if (err)
1917 			return err;
1918 	}
1919 
1920 	/* Wait for transmit queues to drain,
1921 	 * i.e. 2ms for a maximum frame to be transmitted at 10 Mbps.
1922 	 */
1923 	usleep_range(2000, 4000);
1924 
1925 	return 0;
1926 }
1927 
1928 static int mv88e6xxx_switch_reset(struct mv88e6xxx_chip *chip)
1929 {
1930 	int err;
1931 
1932 	err = mv88e6xxx_disable_ports(chip);
1933 	if (err)
1934 		return err;
1935 
1936 	mv88e6xxx_hardware_reset(chip);
1937 
1938 	return mv88e6xxx_software_reset(chip);
1939 }
1940 
1941 static int mv88e6xxx_set_port_mode(struct mv88e6xxx_chip *chip, int port,
1942 				   enum mv88e6xxx_frame_mode frame,
1943 				   enum mv88e6xxx_egress_mode egress, u16 etype)
1944 {
1945 	int err;
1946 
1947 	if (!chip->info->ops->port_set_frame_mode)
1948 		return -EOPNOTSUPP;
1949 
1950 	err = mv88e6xxx_port_set_egress_mode(chip, port, egress);
1951 	if (err)
1952 		return err;
1953 
1954 	err = chip->info->ops->port_set_frame_mode(chip, port, frame);
1955 	if (err)
1956 		return err;
1957 
1958 	if (chip->info->ops->port_set_ether_type)
1959 		return chip->info->ops->port_set_ether_type(chip, port, etype);
1960 
1961 	return 0;
1962 }
1963 
1964 static int mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip *chip, int port)
1965 {
1966 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_NORMAL,
1967 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
1968 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
1969 }
1970 
1971 static int mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip *chip, int port)
1972 {
1973 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_DSA,
1974 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
1975 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
1976 }
1977 
1978 static int mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip *chip, int port)
1979 {
1980 	return mv88e6xxx_set_port_mode(chip, port,
1981 				       MV88E6XXX_FRAME_MODE_ETHERTYPE,
1982 				       MV88E6XXX_EGRESS_MODE_ETHERTYPE,
1983 				       ETH_P_EDSA);
1984 }
1985 
1986 static int mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip *chip, int port)
1987 {
1988 	if (dsa_is_dsa_port(chip->ds, port))
1989 		return mv88e6xxx_set_port_mode_dsa(chip, port);
1990 
1991 	if (dsa_is_user_port(chip->ds, port))
1992 		return mv88e6xxx_set_port_mode_normal(chip, port);
1993 
1994 	/* Setup CPU port mode depending on its supported tag format */
1995 	if (chip->info->tag_protocol == DSA_TAG_PROTO_DSA)
1996 		return mv88e6xxx_set_port_mode_dsa(chip, port);
1997 
1998 	if (chip->info->tag_protocol == DSA_TAG_PROTO_EDSA)
1999 		return mv88e6xxx_set_port_mode_edsa(chip, port);
2000 
2001 	return -EINVAL;
2002 }
2003 
2004 static int mv88e6xxx_setup_message_port(struct mv88e6xxx_chip *chip, int port)
2005 {
2006 	bool message = dsa_is_dsa_port(chip->ds, port);
2007 
2008 	return mv88e6xxx_port_set_message_port(chip, port, message);
2009 }
2010 
2011 static int mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip *chip, int port)
2012 {
2013 	struct dsa_switch *ds = chip->ds;
2014 	bool flood;
2015 
2016 	/* Upstream ports flood frames with unknown unicast or multicast DA */
2017 	flood = dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port);
2018 	if (chip->info->ops->port_set_egress_floods)
2019 		return chip->info->ops->port_set_egress_floods(chip, port,
2020 							       flood, flood);
2021 
2022 	return 0;
2023 }
2024 
2025 static int mv88e6xxx_serdes_power(struct mv88e6xxx_chip *chip, int port,
2026 				  bool on)
2027 {
2028 	if (chip->info->ops->serdes_power)
2029 		return chip->info->ops->serdes_power(chip, port, on);
2030 
2031 	return 0;
2032 }
2033 
2034 static int mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip *chip, int port)
2035 {
2036 	struct dsa_switch *ds = chip->ds;
2037 	int upstream_port;
2038 	int err;
2039 
2040 	upstream_port = dsa_upstream_port(ds, port);
2041 	if (chip->info->ops->port_set_upstream_port) {
2042 		err = chip->info->ops->port_set_upstream_port(chip, port,
2043 							      upstream_port);
2044 		if (err)
2045 			return err;
2046 	}
2047 
2048 	if (port == upstream_port) {
2049 		if (chip->info->ops->set_cpu_port) {
2050 			err = chip->info->ops->set_cpu_port(chip,
2051 							    upstream_port);
2052 			if (err)
2053 				return err;
2054 		}
2055 
2056 		if (chip->info->ops->set_egress_port) {
2057 			err = chip->info->ops->set_egress_port(chip,
2058 							       upstream_port);
2059 			if (err)
2060 				return err;
2061 		}
2062 	}
2063 
2064 	return 0;
2065 }
2066 
2067 static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
2068 {
2069 	struct dsa_switch *ds = chip->ds;
2070 	int err;
2071 	u16 reg;
2072 
2073 	/* MAC Forcing register: don't force link, speed, duplex or flow control
2074 	 * state to any particular values on physical ports, but force the CPU
2075 	 * port and all DSA ports to their maximum bandwidth and full duplex.
2076 	 */
2077 	if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))
2078 		err = mv88e6xxx_port_setup_mac(chip, port, LINK_FORCED_UP,
2079 					       SPEED_MAX, DUPLEX_FULL,
2080 					       PHY_INTERFACE_MODE_NA);
2081 	else
2082 		err = mv88e6xxx_port_setup_mac(chip, port, LINK_UNFORCED,
2083 					       SPEED_UNFORCED, DUPLEX_UNFORCED,
2084 					       PHY_INTERFACE_MODE_NA);
2085 	if (err)
2086 		return err;
2087 
2088 	/* Port Control: disable Drop-on-Unlock, disable Drop-on-Lock,
2089 	 * disable Header mode, enable IGMP/MLD snooping, disable VLAN
2090 	 * tunneling, determine priority by looking at 802.1p and IP
2091 	 * priority fields (IP prio has precedence), and set STP state
2092 	 * to Forwarding.
2093 	 *
2094 	 * If this is the CPU link, use DSA or EDSA tagging depending
2095 	 * on which tagging mode was configured.
2096 	 *
2097 	 * If this is a link to another switch, use DSA tagging mode.
2098 	 *
2099 	 * If this is the upstream port for this switch, enable
2100 	 * forwarding of unknown unicasts and multicasts.
2101 	 */
2102 	reg = MV88E6XXX_PORT_CTL0_IGMP_MLD_SNOOP |
2103 		MV88E6185_PORT_CTL0_USE_TAG | MV88E6185_PORT_CTL0_USE_IP |
2104 		MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
2105 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
2106 	if (err)
2107 		return err;
2108 
2109 	err = mv88e6xxx_setup_port_mode(chip, port);
2110 	if (err)
2111 		return err;
2112 
2113 	err = mv88e6xxx_setup_egress_floods(chip, port);
2114 	if (err)
2115 		return err;
2116 
2117 	/* Enable the SERDES interface for DSA and CPU ports. Normal
2118 	 * ports SERDES are enabled when the port is enabled, thus
2119 	 * saving a bit of power.
2120 	 */
2121 	if ((dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))) {
2122 		err = mv88e6xxx_serdes_power(chip, port, true);
2123 		if (err)
2124 			return err;
2125 	}
2126 
2127 	/* Port Control 2: don't force a good FCS, set the maximum frame size to
2128 	 * 10240 bytes, disable 802.1q tags checking, don't discard tagged or
2129 	 * untagged frames on this port, do a destination address lookup on all
2130 	 * received packets as usual, disable ARP mirroring and don't send a
2131 	 * copy of all transmitted/received frames on this port to the CPU.
2132 	 */
2133 	err = mv88e6xxx_port_set_map_da(chip, port);
2134 	if (err)
2135 		return err;
2136 
2137 	err = mv88e6xxx_setup_upstream_port(chip, port);
2138 	if (err)
2139 		return err;
2140 
2141 	err = mv88e6xxx_port_set_8021q_mode(chip, port,
2142 				MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED);
2143 	if (err)
2144 		return err;
2145 
2146 	if (chip->info->ops->port_set_jumbo_size) {
2147 		err = chip->info->ops->port_set_jumbo_size(chip, port, 10240);
2148 		if (err)
2149 			return err;
2150 	}
2151 
2152 	/* Port Association Vector: when learning source addresses
2153 	 * of packets, add the address to the address database using
2154 	 * a port bitmap that has only the bit for this port set and
2155 	 * the other bits clear.
2156 	 */
2157 	reg = 1 << port;
2158 	/* Disable learning for CPU port */
2159 	if (dsa_is_cpu_port(ds, port))
2160 		reg = 0;
2161 
2162 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
2163 				   reg);
2164 	if (err)
2165 		return err;
2166 
2167 	/* Egress rate control 2: disable egress rate control. */
2168 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL2,
2169 				   0x0000);
2170 	if (err)
2171 		return err;
2172 
2173 	if (chip->info->ops->port_pause_limit) {
2174 		err = chip->info->ops->port_pause_limit(chip, port, 0, 0);
2175 		if (err)
2176 			return err;
2177 	}
2178 
2179 	if (chip->info->ops->port_disable_learn_limit) {
2180 		err = chip->info->ops->port_disable_learn_limit(chip, port);
2181 		if (err)
2182 			return err;
2183 	}
2184 
2185 	if (chip->info->ops->port_disable_pri_override) {
2186 		err = chip->info->ops->port_disable_pri_override(chip, port);
2187 		if (err)
2188 			return err;
2189 	}
2190 
2191 	if (chip->info->ops->port_tag_remap) {
2192 		err = chip->info->ops->port_tag_remap(chip, port);
2193 		if (err)
2194 			return err;
2195 	}
2196 
2197 	if (chip->info->ops->port_egress_rate_limiting) {
2198 		err = chip->info->ops->port_egress_rate_limiting(chip, port);
2199 		if (err)
2200 			return err;
2201 	}
2202 
2203 	err = mv88e6xxx_setup_message_port(chip, port);
2204 	if (err)
2205 		return err;
2206 
2207 	/* Port based VLAN map: give each port the same default address
2208 	 * database, and allow bidirectional communication between the
2209 	 * CPU and DSA port(s), and the other ports.
2210 	 */
2211 	err = mv88e6xxx_port_set_fid(chip, port, 0);
2212 	if (err)
2213 		return err;
2214 
2215 	err = mv88e6xxx_port_vlan_map(chip, port);
2216 	if (err)
2217 		return err;
2218 
2219 	/* Default VLAN ID and priority: don't set a default VLAN
2220 	 * ID, and set the default packet priority to zero.
2221 	 */
2222 	return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN, 0);
2223 }
2224 
2225 static int mv88e6xxx_port_enable(struct dsa_switch *ds, int port,
2226 				 struct phy_device *phydev)
2227 {
2228 	struct mv88e6xxx_chip *chip = ds->priv;
2229 	int err;
2230 
2231 	mutex_lock(&chip->reg_lock);
2232 	err = mv88e6xxx_serdes_power(chip, port, true);
2233 	mutex_unlock(&chip->reg_lock);
2234 
2235 	return err;
2236 }
2237 
2238 static void mv88e6xxx_port_disable(struct dsa_switch *ds, int port,
2239 				   struct phy_device *phydev)
2240 {
2241 	struct mv88e6xxx_chip *chip = ds->priv;
2242 
2243 	mutex_lock(&chip->reg_lock);
2244 	if (mv88e6xxx_serdes_power(chip, port, false))
2245 		dev_err(chip->dev, "failed to power off SERDES\n");
2246 	mutex_unlock(&chip->reg_lock);
2247 }
2248 
2249 static int mv88e6xxx_set_ageing_time(struct dsa_switch *ds,
2250 				     unsigned int ageing_time)
2251 {
2252 	struct mv88e6xxx_chip *chip = ds->priv;
2253 	int err;
2254 
2255 	mutex_lock(&chip->reg_lock);
2256 	err = mv88e6xxx_g1_atu_set_age_time(chip, ageing_time);
2257 	mutex_unlock(&chip->reg_lock);
2258 
2259 	return err;
2260 }
2261 
2262 static int mv88e6xxx_stats_setup(struct mv88e6xxx_chip *chip)
2263 {
2264 	int err;
2265 
2266 	/* Initialize the statistics unit */
2267 	if (chip->info->ops->stats_set_histogram) {
2268 		err = chip->info->ops->stats_set_histogram(chip);
2269 		if (err)
2270 			return err;
2271 	}
2272 
2273 	return mv88e6xxx_g1_stats_clear(chip);
2274 }
2275 
2276 static int mv88e6xxx_setup(struct dsa_switch *ds)
2277 {
2278 	struct mv88e6xxx_chip *chip = ds->priv;
2279 	int err;
2280 	int i;
2281 
2282 	chip->ds = ds;
2283 	ds->slave_mii_bus = mv88e6xxx_default_mdio_bus(chip);
2284 
2285 	mutex_lock(&chip->reg_lock);
2286 
2287 	/* Setup Switch Port Registers */
2288 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
2289 		if (dsa_is_unused_port(ds, i))
2290 			continue;
2291 
2292 		err = mv88e6xxx_setup_port(chip, i);
2293 		if (err)
2294 			goto unlock;
2295 	}
2296 
2297 	err = mv88e6xxx_irl_setup(chip);
2298 	if (err)
2299 		goto unlock;
2300 
2301 	err = mv88e6xxx_mac_setup(chip);
2302 	if (err)
2303 		goto unlock;
2304 
2305 	err = mv88e6xxx_phy_setup(chip);
2306 	if (err)
2307 		goto unlock;
2308 
2309 	err = mv88e6xxx_vtu_setup(chip);
2310 	if (err)
2311 		goto unlock;
2312 
2313 	err = mv88e6xxx_pvt_setup(chip);
2314 	if (err)
2315 		goto unlock;
2316 
2317 	err = mv88e6xxx_atu_setup(chip);
2318 	if (err)
2319 		goto unlock;
2320 
2321 	err = mv88e6xxx_broadcast_setup(chip, 0);
2322 	if (err)
2323 		goto unlock;
2324 
2325 	err = mv88e6xxx_pot_setup(chip);
2326 	if (err)
2327 		goto unlock;
2328 
2329 	err = mv88e6xxx_rmu_setup(chip);
2330 	if (err)
2331 		goto unlock;
2332 
2333 	err = mv88e6xxx_rsvd2cpu_setup(chip);
2334 	if (err)
2335 		goto unlock;
2336 
2337 	err = mv88e6xxx_trunk_setup(chip);
2338 	if (err)
2339 		goto unlock;
2340 
2341 	err = mv88e6xxx_devmap_setup(chip);
2342 	if (err)
2343 		goto unlock;
2344 
2345 	err = mv88e6xxx_pri_setup(chip);
2346 	if (err)
2347 		goto unlock;
2348 
2349 	/* Setup PTP Hardware Clock and timestamping */
2350 	if (chip->info->ptp_support) {
2351 		err = mv88e6xxx_ptp_setup(chip);
2352 		if (err)
2353 			goto unlock;
2354 
2355 		err = mv88e6xxx_hwtstamp_setup(chip);
2356 		if (err)
2357 			goto unlock;
2358 	}
2359 
2360 	err = mv88e6xxx_stats_setup(chip);
2361 	if (err)
2362 		goto unlock;
2363 
2364 unlock:
2365 	mutex_unlock(&chip->reg_lock);
2366 
2367 	return err;
2368 }
2369 
2370 static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
2371 {
2372 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
2373 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
2374 	u16 val;
2375 	int err;
2376 
2377 	if (!chip->info->ops->phy_read)
2378 		return -EOPNOTSUPP;
2379 
2380 	mutex_lock(&chip->reg_lock);
2381 	err = chip->info->ops->phy_read(chip, bus, phy, reg, &val);
2382 	mutex_unlock(&chip->reg_lock);
2383 
2384 	if (reg == MII_PHYSID2) {
2385 		/* Some internal PHYS don't have a model number.  Use
2386 		 * the mv88e6390 family model number instead.
2387 		 */
2388 		if (!(val & 0x3f0))
2389 			val |= MV88E6XXX_PORT_SWITCH_ID_PROD_6390 >> 4;
2390 	}
2391 
2392 	return err ? err : val;
2393 }
2394 
2395 static int mv88e6xxx_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val)
2396 {
2397 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
2398 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
2399 	int err;
2400 
2401 	if (!chip->info->ops->phy_write)
2402 		return -EOPNOTSUPP;
2403 
2404 	mutex_lock(&chip->reg_lock);
2405 	err = chip->info->ops->phy_write(chip, bus, phy, reg, val);
2406 	mutex_unlock(&chip->reg_lock);
2407 
2408 	return err;
2409 }
2410 
2411 static int mv88e6xxx_mdio_register(struct mv88e6xxx_chip *chip,
2412 				   struct device_node *np,
2413 				   bool external)
2414 {
2415 	static int index;
2416 	struct mv88e6xxx_mdio_bus *mdio_bus;
2417 	struct mii_bus *bus;
2418 	int err;
2419 
2420 	if (external) {
2421 		mutex_lock(&chip->reg_lock);
2422 		err = mv88e6xxx_g2_scratch_gpio_set_smi(chip, true);
2423 		mutex_unlock(&chip->reg_lock);
2424 
2425 		if (err)
2426 			return err;
2427 	}
2428 
2429 	bus = devm_mdiobus_alloc_size(chip->dev, sizeof(*mdio_bus));
2430 	if (!bus)
2431 		return -ENOMEM;
2432 
2433 	mdio_bus = bus->priv;
2434 	mdio_bus->bus = bus;
2435 	mdio_bus->chip = chip;
2436 	INIT_LIST_HEAD(&mdio_bus->list);
2437 	mdio_bus->external = external;
2438 
2439 	if (np) {
2440 		bus->name = np->full_name;
2441 		snprintf(bus->id, MII_BUS_ID_SIZE, "%pOF", np);
2442 	} else {
2443 		bus->name = "mv88e6xxx SMI";
2444 		snprintf(bus->id, MII_BUS_ID_SIZE, "mv88e6xxx-%d", index++);
2445 	}
2446 
2447 	bus->read = mv88e6xxx_mdio_read;
2448 	bus->write = mv88e6xxx_mdio_write;
2449 	bus->parent = chip->dev;
2450 
2451 	if (!external) {
2452 		err = mv88e6xxx_g2_irq_mdio_setup(chip, bus);
2453 		if (err)
2454 			return err;
2455 	}
2456 
2457 	err = of_mdiobus_register(bus, np);
2458 	if (err) {
2459 		dev_err(chip->dev, "Cannot register MDIO bus (%d)\n", err);
2460 		mv88e6xxx_g2_irq_mdio_free(chip, bus);
2461 		return err;
2462 	}
2463 
2464 	if (external)
2465 		list_add_tail(&mdio_bus->list, &chip->mdios);
2466 	else
2467 		list_add(&mdio_bus->list, &chip->mdios);
2468 
2469 	return 0;
2470 }
2471 
2472 static const struct of_device_id mv88e6xxx_mdio_external_match[] = {
2473 	{ .compatible = "marvell,mv88e6xxx-mdio-external",
2474 	  .data = (void *)true },
2475 	{ },
2476 };
2477 
2478 static void mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip *chip)
2479 
2480 {
2481 	struct mv88e6xxx_mdio_bus *mdio_bus;
2482 	struct mii_bus *bus;
2483 
2484 	list_for_each_entry(mdio_bus, &chip->mdios, list) {
2485 		bus = mdio_bus->bus;
2486 
2487 		if (!mdio_bus->external)
2488 			mv88e6xxx_g2_irq_mdio_free(chip, bus);
2489 
2490 		mdiobus_unregister(bus);
2491 	}
2492 }
2493 
2494 static int mv88e6xxx_mdios_register(struct mv88e6xxx_chip *chip,
2495 				    struct device_node *np)
2496 {
2497 	const struct of_device_id *match;
2498 	struct device_node *child;
2499 	int err;
2500 
2501 	/* Always register one mdio bus for the internal/default mdio
2502 	 * bus. This maybe represented in the device tree, but is
2503 	 * optional.
2504 	 */
2505 	child = of_get_child_by_name(np, "mdio");
2506 	err = mv88e6xxx_mdio_register(chip, child, false);
2507 	if (err)
2508 		return err;
2509 
2510 	/* Walk the device tree, and see if there are any other nodes
2511 	 * which say they are compatible with the external mdio
2512 	 * bus.
2513 	 */
2514 	for_each_available_child_of_node(np, child) {
2515 		match = of_match_node(mv88e6xxx_mdio_external_match, child);
2516 		if (match) {
2517 			err = mv88e6xxx_mdio_register(chip, child, true);
2518 			if (err) {
2519 				mv88e6xxx_mdios_unregister(chip);
2520 				return err;
2521 			}
2522 		}
2523 	}
2524 
2525 	return 0;
2526 }
2527 
2528 static int mv88e6xxx_get_eeprom_len(struct dsa_switch *ds)
2529 {
2530 	struct mv88e6xxx_chip *chip = ds->priv;
2531 
2532 	return chip->eeprom_len;
2533 }
2534 
2535 static int mv88e6xxx_get_eeprom(struct dsa_switch *ds,
2536 				struct ethtool_eeprom *eeprom, u8 *data)
2537 {
2538 	struct mv88e6xxx_chip *chip = ds->priv;
2539 	int err;
2540 
2541 	if (!chip->info->ops->get_eeprom)
2542 		return -EOPNOTSUPP;
2543 
2544 	mutex_lock(&chip->reg_lock);
2545 	err = chip->info->ops->get_eeprom(chip, eeprom, data);
2546 	mutex_unlock(&chip->reg_lock);
2547 
2548 	if (err)
2549 		return err;
2550 
2551 	eeprom->magic = 0xc3ec4951;
2552 
2553 	return 0;
2554 }
2555 
2556 static int mv88e6xxx_set_eeprom(struct dsa_switch *ds,
2557 				struct ethtool_eeprom *eeprom, u8 *data)
2558 {
2559 	struct mv88e6xxx_chip *chip = ds->priv;
2560 	int err;
2561 
2562 	if (!chip->info->ops->set_eeprom)
2563 		return -EOPNOTSUPP;
2564 
2565 	if (eeprom->magic != 0xc3ec4951)
2566 		return -EINVAL;
2567 
2568 	mutex_lock(&chip->reg_lock);
2569 	err = chip->info->ops->set_eeprom(chip, eeprom, data);
2570 	mutex_unlock(&chip->reg_lock);
2571 
2572 	return err;
2573 }
2574 
2575 static const struct mv88e6xxx_ops mv88e6085_ops = {
2576 	/* MV88E6XXX_FAMILY_6097 */
2577 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2578 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2579 	.irl_init_all = mv88e6352_g2_irl_init_all,
2580 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
2581 	.phy_read = mv88e6185_phy_ppu_read,
2582 	.phy_write = mv88e6185_phy_ppu_write,
2583 	.port_set_link = mv88e6xxx_port_set_link,
2584 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2585 	.port_set_speed = mv88e6185_port_set_speed,
2586 	.port_tag_remap = mv88e6095_port_tag_remap,
2587 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2588 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2589 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2590 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2591 	.port_pause_limit = mv88e6097_port_pause_limit,
2592 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2593 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2594 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2595 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2596 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2597 	.stats_get_strings = mv88e6095_stats_get_strings,
2598 	.stats_get_stats = mv88e6095_stats_get_stats,
2599 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2600 	.set_egress_port = mv88e6095_g1_set_egress_port,
2601 	.watchdog_ops = &mv88e6097_watchdog_ops,
2602 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2603 	.pot_clear = mv88e6xxx_g2_pot_clear,
2604 	.ppu_enable = mv88e6185_g1_ppu_enable,
2605 	.ppu_disable = mv88e6185_g1_ppu_disable,
2606 	.reset = mv88e6185_g1_reset,
2607 	.rmu_disable = mv88e6085_g1_rmu_disable,
2608 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2609 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2610 	.serdes_power = mv88e6341_serdes_power,
2611 };
2612 
2613 static const struct mv88e6xxx_ops mv88e6095_ops = {
2614 	/* MV88E6XXX_FAMILY_6095 */
2615 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2616 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2617 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
2618 	.phy_read = mv88e6185_phy_ppu_read,
2619 	.phy_write = mv88e6185_phy_ppu_write,
2620 	.port_set_link = mv88e6xxx_port_set_link,
2621 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2622 	.port_set_speed = mv88e6185_port_set_speed,
2623 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
2624 	.port_set_egress_floods = mv88e6185_port_set_egress_floods,
2625 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
2626 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2627 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2628 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2629 	.stats_get_strings = mv88e6095_stats_get_strings,
2630 	.stats_get_stats = mv88e6095_stats_get_stats,
2631 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
2632 	.ppu_enable = mv88e6185_g1_ppu_enable,
2633 	.ppu_disable = mv88e6185_g1_ppu_disable,
2634 	.reset = mv88e6185_g1_reset,
2635 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
2636 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
2637 };
2638 
2639 static const struct mv88e6xxx_ops mv88e6097_ops = {
2640 	/* MV88E6XXX_FAMILY_6097 */
2641 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2642 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2643 	.irl_init_all = mv88e6352_g2_irl_init_all,
2644 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2645 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2646 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2647 	.port_set_link = mv88e6xxx_port_set_link,
2648 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2649 	.port_set_speed = mv88e6185_port_set_speed,
2650 	.port_tag_remap = mv88e6095_port_tag_remap,
2651 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2652 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2653 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2654 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2655 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
2656 	.port_pause_limit = mv88e6097_port_pause_limit,
2657 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2658 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2659 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2660 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2661 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2662 	.stats_get_strings = mv88e6095_stats_get_strings,
2663 	.stats_get_stats = mv88e6095_stats_get_stats,
2664 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2665 	.set_egress_port = mv88e6095_g1_set_egress_port,
2666 	.watchdog_ops = &mv88e6097_watchdog_ops,
2667 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2668 	.pot_clear = mv88e6xxx_g2_pot_clear,
2669 	.reset = mv88e6352_g1_reset,
2670 	.rmu_disable = mv88e6085_g1_rmu_disable,
2671 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2672 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2673 };
2674 
2675 static const struct mv88e6xxx_ops mv88e6123_ops = {
2676 	/* MV88E6XXX_FAMILY_6165 */
2677 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2678 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2679 	.irl_init_all = mv88e6352_g2_irl_init_all,
2680 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2681 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2682 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2683 	.port_set_link = mv88e6xxx_port_set_link,
2684 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2685 	.port_set_speed = mv88e6185_port_set_speed,
2686 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
2687 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2688 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2689 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2690 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2691 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2692 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2693 	.stats_get_strings = mv88e6095_stats_get_strings,
2694 	.stats_get_stats = mv88e6095_stats_get_stats,
2695 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2696 	.set_egress_port = mv88e6095_g1_set_egress_port,
2697 	.watchdog_ops = &mv88e6097_watchdog_ops,
2698 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2699 	.pot_clear = mv88e6xxx_g2_pot_clear,
2700 	.reset = mv88e6352_g1_reset,
2701 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2702 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2703 };
2704 
2705 static const struct mv88e6xxx_ops mv88e6131_ops = {
2706 	/* MV88E6XXX_FAMILY_6185 */
2707 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2708 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2709 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
2710 	.phy_read = mv88e6185_phy_ppu_read,
2711 	.phy_write = mv88e6185_phy_ppu_write,
2712 	.port_set_link = mv88e6xxx_port_set_link,
2713 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2714 	.port_set_speed = mv88e6185_port_set_speed,
2715 	.port_tag_remap = mv88e6095_port_tag_remap,
2716 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2717 	.port_set_egress_floods = mv88e6185_port_set_egress_floods,
2718 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2719 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
2720 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2721 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2722 	.port_pause_limit = mv88e6097_port_pause_limit,
2723 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2724 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2725 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2726 	.stats_get_strings = mv88e6095_stats_get_strings,
2727 	.stats_get_stats = mv88e6095_stats_get_stats,
2728 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2729 	.set_egress_port = mv88e6095_g1_set_egress_port,
2730 	.watchdog_ops = &mv88e6097_watchdog_ops,
2731 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
2732 	.ppu_enable = mv88e6185_g1_ppu_enable,
2733 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
2734 	.ppu_disable = mv88e6185_g1_ppu_disable,
2735 	.reset = mv88e6185_g1_reset,
2736 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
2737 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
2738 };
2739 
2740 static const struct mv88e6xxx_ops mv88e6141_ops = {
2741 	/* MV88E6XXX_FAMILY_6341 */
2742 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2743 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2744 	.irl_init_all = mv88e6352_g2_irl_init_all,
2745 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
2746 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
2747 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2748 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2749 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2750 	.port_set_link = mv88e6xxx_port_set_link,
2751 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2752 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
2753 	.port_set_speed = mv88e6390_port_set_speed,
2754 	.port_tag_remap = mv88e6095_port_tag_remap,
2755 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2756 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2757 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2758 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2759 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2760 	.port_pause_limit = mv88e6097_port_pause_limit,
2761 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2762 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2763 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
2764 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2765 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
2766 	.stats_get_strings = mv88e6320_stats_get_strings,
2767 	.stats_get_stats = mv88e6390_stats_get_stats,
2768 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
2769 	.set_egress_port = mv88e6390_g1_set_egress_port,
2770 	.watchdog_ops = &mv88e6390_watchdog_ops,
2771 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
2772 	.pot_clear = mv88e6xxx_g2_pot_clear,
2773 	.reset = mv88e6352_g1_reset,
2774 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2775 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2776 	.gpio_ops = &mv88e6352_gpio_ops,
2777 };
2778 
2779 static const struct mv88e6xxx_ops mv88e6161_ops = {
2780 	/* MV88E6XXX_FAMILY_6165 */
2781 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2782 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2783 	.irl_init_all = mv88e6352_g2_irl_init_all,
2784 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2785 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2786 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2787 	.port_set_link = mv88e6xxx_port_set_link,
2788 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2789 	.port_set_speed = mv88e6185_port_set_speed,
2790 	.port_tag_remap = mv88e6095_port_tag_remap,
2791 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2792 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2793 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2794 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2795 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2796 	.port_pause_limit = mv88e6097_port_pause_limit,
2797 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2798 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2799 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2800 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2801 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2802 	.stats_get_strings = mv88e6095_stats_get_strings,
2803 	.stats_get_stats = mv88e6095_stats_get_stats,
2804 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2805 	.set_egress_port = mv88e6095_g1_set_egress_port,
2806 	.watchdog_ops = &mv88e6097_watchdog_ops,
2807 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2808 	.pot_clear = mv88e6xxx_g2_pot_clear,
2809 	.reset = mv88e6352_g1_reset,
2810 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2811 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2812 };
2813 
2814 static const struct mv88e6xxx_ops mv88e6165_ops = {
2815 	/* MV88E6XXX_FAMILY_6165 */
2816 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2817 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2818 	.irl_init_all = mv88e6352_g2_irl_init_all,
2819 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2820 	.phy_read = mv88e6165_phy_read,
2821 	.phy_write = mv88e6165_phy_write,
2822 	.port_set_link = mv88e6xxx_port_set_link,
2823 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2824 	.port_set_speed = mv88e6185_port_set_speed,
2825 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2826 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2827 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
2828 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2829 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2830 	.stats_get_strings = mv88e6095_stats_get_strings,
2831 	.stats_get_stats = mv88e6095_stats_get_stats,
2832 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2833 	.set_egress_port = mv88e6095_g1_set_egress_port,
2834 	.watchdog_ops = &mv88e6097_watchdog_ops,
2835 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2836 	.pot_clear = mv88e6xxx_g2_pot_clear,
2837 	.reset = mv88e6352_g1_reset,
2838 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2839 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2840 };
2841 
2842 static const struct mv88e6xxx_ops mv88e6171_ops = {
2843 	/* MV88E6XXX_FAMILY_6351 */
2844 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2845 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2846 	.irl_init_all = mv88e6352_g2_irl_init_all,
2847 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2848 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2849 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2850 	.port_set_link = mv88e6xxx_port_set_link,
2851 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2852 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
2853 	.port_set_speed = mv88e6185_port_set_speed,
2854 	.port_tag_remap = mv88e6095_port_tag_remap,
2855 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2856 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2857 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2858 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2859 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2860 	.port_pause_limit = mv88e6097_port_pause_limit,
2861 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2862 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2863 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2864 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2865 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2866 	.stats_get_strings = mv88e6095_stats_get_strings,
2867 	.stats_get_stats = mv88e6095_stats_get_stats,
2868 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2869 	.set_egress_port = mv88e6095_g1_set_egress_port,
2870 	.watchdog_ops = &mv88e6097_watchdog_ops,
2871 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2872 	.pot_clear = mv88e6xxx_g2_pot_clear,
2873 	.reset = mv88e6352_g1_reset,
2874 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2875 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2876 };
2877 
2878 static const struct mv88e6xxx_ops mv88e6172_ops = {
2879 	/* MV88E6XXX_FAMILY_6352 */
2880 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2881 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2882 	.irl_init_all = mv88e6352_g2_irl_init_all,
2883 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
2884 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
2885 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2886 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2887 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2888 	.port_set_link = mv88e6xxx_port_set_link,
2889 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2890 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
2891 	.port_set_speed = mv88e6352_port_set_speed,
2892 	.port_tag_remap = mv88e6095_port_tag_remap,
2893 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2894 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2895 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2896 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2897 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2898 	.port_pause_limit = mv88e6097_port_pause_limit,
2899 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2900 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2901 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2902 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2903 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2904 	.stats_get_strings = mv88e6095_stats_get_strings,
2905 	.stats_get_stats = mv88e6095_stats_get_stats,
2906 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2907 	.set_egress_port = mv88e6095_g1_set_egress_port,
2908 	.watchdog_ops = &mv88e6097_watchdog_ops,
2909 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2910 	.pot_clear = mv88e6xxx_g2_pot_clear,
2911 	.reset = mv88e6352_g1_reset,
2912 	.rmu_disable = mv88e6352_g1_rmu_disable,
2913 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2914 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2915 	.serdes_power = mv88e6352_serdes_power,
2916 	.gpio_ops = &mv88e6352_gpio_ops,
2917 };
2918 
2919 static const struct mv88e6xxx_ops mv88e6175_ops = {
2920 	/* MV88E6XXX_FAMILY_6351 */
2921 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2922 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2923 	.irl_init_all = mv88e6352_g2_irl_init_all,
2924 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2925 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2926 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2927 	.port_set_link = mv88e6xxx_port_set_link,
2928 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2929 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
2930 	.port_set_speed = mv88e6185_port_set_speed,
2931 	.port_tag_remap = mv88e6095_port_tag_remap,
2932 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2933 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2934 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2935 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2936 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2937 	.port_pause_limit = mv88e6097_port_pause_limit,
2938 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2939 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2940 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2941 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2942 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2943 	.stats_get_strings = mv88e6095_stats_get_strings,
2944 	.stats_get_stats = mv88e6095_stats_get_stats,
2945 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2946 	.set_egress_port = mv88e6095_g1_set_egress_port,
2947 	.watchdog_ops = &mv88e6097_watchdog_ops,
2948 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2949 	.pot_clear = mv88e6xxx_g2_pot_clear,
2950 	.reset = mv88e6352_g1_reset,
2951 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2952 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2953 	.serdes_power = mv88e6341_serdes_power,
2954 };
2955 
2956 static const struct mv88e6xxx_ops mv88e6176_ops = {
2957 	/* MV88E6XXX_FAMILY_6352 */
2958 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2959 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2960 	.irl_init_all = mv88e6352_g2_irl_init_all,
2961 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
2962 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
2963 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
2964 	.phy_read = mv88e6xxx_g2_smi_phy_read,
2965 	.phy_write = mv88e6xxx_g2_smi_phy_write,
2966 	.port_set_link = mv88e6xxx_port_set_link,
2967 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2968 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
2969 	.port_set_speed = mv88e6352_port_set_speed,
2970 	.port_tag_remap = mv88e6095_port_tag_remap,
2971 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2972 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2973 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2974 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
2975 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2976 	.port_pause_limit = mv88e6097_port_pause_limit,
2977 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2978 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2979 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
2980 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
2981 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
2982 	.stats_get_strings = mv88e6095_stats_get_strings,
2983 	.stats_get_stats = mv88e6095_stats_get_stats,
2984 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
2985 	.set_egress_port = mv88e6095_g1_set_egress_port,
2986 	.watchdog_ops = &mv88e6097_watchdog_ops,
2987 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
2988 	.pot_clear = mv88e6xxx_g2_pot_clear,
2989 	.reset = mv88e6352_g1_reset,
2990 	.rmu_disable = mv88e6352_g1_rmu_disable,
2991 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
2992 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
2993 	.serdes_power = mv88e6352_serdes_power,
2994 	.gpio_ops = &mv88e6352_gpio_ops,
2995 };
2996 
2997 static const struct mv88e6xxx_ops mv88e6185_ops = {
2998 	/* MV88E6XXX_FAMILY_6185 */
2999 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3000 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3001 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
3002 	.phy_read = mv88e6185_phy_ppu_read,
3003 	.phy_write = mv88e6185_phy_ppu_write,
3004 	.port_set_link = mv88e6xxx_port_set_link,
3005 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3006 	.port_set_speed = mv88e6185_port_set_speed,
3007 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
3008 	.port_set_egress_floods = mv88e6185_port_set_egress_floods,
3009 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
3010 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
3011 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3012 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3013 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3014 	.stats_get_strings = mv88e6095_stats_get_strings,
3015 	.stats_get_stats = mv88e6095_stats_get_stats,
3016 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3017 	.set_egress_port = mv88e6095_g1_set_egress_port,
3018 	.watchdog_ops = &mv88e6097_watchdog_ops,
3019 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
3020 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
3021 	.ppu_enable = mv88e6185_g1_ppu_enable,
3022 	.ppu_disable = mv88e6185_g1_ppu_disable,
3023 	.reset = mv88e6185_g1_reset,
3024 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3025 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3026 };
3027 
3028 static const struct mv88e6xxx_ops mv88e6190_ops = {
3029 	/* MV88E6XXX_FAMILY_6390 */
3030 	.irl_init_all = mv88e6390_g2_irl_init_all,
3031 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3032 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3033 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3034 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3035 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3036 	.port_set_link = mv88e6xxx_port_set_link,
3037 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3038 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3039 	.port_set_speed = mv88e6390_port_set_speed,
3040 	.port_tag_remap = mv88e6390_port_tag_remap,
3041 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3042 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3043 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3044 	.port_pause_limit = mv88e6390_port_pause_limit,
3045 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3046 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3047 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3048 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3049 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3050 	.stats_get_strings = mv88e6320_stats_get_strings,
3051 	.stats_get_stats = mv88e6390_stats_get_stats,
3052 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3053 	.set_egress_port = mv88e6390_g1_set_egress_port,
3054 	.watchdog_ops = &mv88e6390_watchdog_ops,
3055 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3056 	.pot_clear = mv88e6xxx_g2_pot_clear,
3057 	.reset = mv88e6352_g1_reset,
3058 	.rmu_disable = mv88e6390_g1_rmu_disable,
3059 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3060 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3061 	.serdes_power = mv88e6390_serdes_power,
3062 	.gpio_ops = &mv88e6352_gpio_ops,
3063 };
3064 
3065 static const struct mv88e6xxx_ops mv88e6190x_ops = {
3066 	/* MV88E6XXX_FAMILY_6390 */
3067 	.irl_init_all = mv88e6390_g2_irl_init_all,
3068 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3069 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3070 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3071 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3072 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3073 	.port_set_link = mv88e6xxx_port_set_link,
3074 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3075 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3076 	.port_set_speed = mv88e6390x_port_set_speed,
3077 	.port_tag_remap = mv88e6390_port_tag_remap,
3078 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3079 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3080 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3081 	.port_pause_limit = mv88e6390_port_pause_limit,
3082 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3083 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3084 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3085 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3086 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3087 	.stats_get_strings = mv88e6320_stats_get_strings,
3088 	.stats_get_stats = mv88e6390_stats_get_stats,
3089 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3090 	.set_egress_port = mv88e6390_g1_set_egress_port,
3091 	.watchdog_ops = &mv88e6390_watchdog_ops,
3092 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3093 	.pot_clear = mv88e6xxx_g2_pot_clear,
3094 	.reset = mv88e6352_g1_reset,
3095 	.rmu_disable = mv88e6390_g1_rmu_disable,
3096 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3097 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3098 	.serdes_power = mv88e6390_serdes_power,
3099 	.gpio_ops = &mv88e6352_gpio_ops,
3100 };
3101 
3102 static const struct mv88e6xxx_ops mv88e6191_ops = {
3103 	/* MV88E6XXX_FAMILY_6390 */
3104 	.irl_init_all = mv88e6390_g2_irl_init_all,
3105 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3106 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3107 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3108 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3109 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3110 	.port_set_link = mv88e6xxx_port_set_link,
3111 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3112 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3113 	.port_set_speed = mv88e6390_port_set_speed,
3114 	.port_tag_remap = mv88e6390_port_tag_remap,
3115 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3116 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3117 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3118 	.port_pause_limit = mv88e6390_port_pause_limit,
3119 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3120 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3121 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3122 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3123 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3124 	.stats_get_strings = mv88e6320_stats_get_strings,
3125 	.stats_get_stats = mv88e6390_stats_get_stats,
3126 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3127 	.set_egress_port = mv88e6390_g1_set_egress_port,
3128 	.watchdog_ops = &mv88e6390_watchdog_ops,
3129 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3130 	.pot_clear = mv88e6xxx_g2_pot_clear,
3131 	.reset = mv88e6352_g1_reset,
3132 	.rmu_disable = mv88e6390_g1_rmu_disable,
3133 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3134 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3135 	.serdes_power = mv88e6390_serdes_power,
3136 };
3137 
3138 static const struct mv88e6xxx_ops mv88e6240_ops = {
3139 	/* MV88E6XXX_FAMILY_6352 */
3140 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3141 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3142 	.irl_init_all = mv88e6352_g2_irl_init_all,
3143 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3144 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3145 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3146 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3147 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3148 	.port_set_link = mv88e6xxx_port_set_link,
3149 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3150 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3151 	.port_set_speed = mv88e6352_port_set_speed,
3152 	.port_tag_remap = mv88e6095_port_tag_remap,
3153 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3154 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3155 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3156 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3157 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3158 	.port_pause_limit = mv88e6097_port_pause_limit,
3159 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3160 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3161 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3162 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3163 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3164 	.stats_get_strings = mv88e6095_stats_get_strings,
3165 	.stats_get_stats = mv88e6095_stats_get_stats,
3166 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3167 	.set_egress_port = mv88e6095_g1_set_egress_port,
3168 	.watchdog_ops = &mv88e6097_watchdog_ops,
3169 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3170 	.pot_clear = mv88e6xxx_g2_pot_clear,
3171 	.reset = mv88e6352_g1_reset,
3172 	.rmu_disable = mv88e6352_g1_rmu_disable,
3173 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3174 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3175 	.serdes_power = mv88e6352_serdes_power,
3176 	.gpio_ops = &mv88e6352_gpio_ops,
3177 	.avb_ops = &mv88e6352_avb_ops,
3178 };
3179 
3180 static const struct mv88e6xxx_ops mv88e6290_ops = {
3181 	/* MV88E6XXX_FAMILY_6390 */
3182 	.irl_init_all = mv88e6390_g2_irl_init_all,
3183 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3184 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3185 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3186 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3187 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3188 	.port_set_link = mv88e6xxx_port_set_link,
3189 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3190 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3191 	.port_set_speed = mv88e6390_port_set_speed,
3192 	.port_tag_remap = mv88e6390_port_tag_remap,
3193 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3194 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3195 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3196 	.port_pause_limit = mv88e6390_port_pause_limit,
3197 	.port_set_cmode = mv88e6390x_port_set_cmode,
3198 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3199 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3200 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3201 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3202 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3203 	.stats_get_strings = mv88e6320_stats_get_strings,
3204 	.stats_get_stats = mv88e6390_stats_get_stats,
3205 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3206 	.set_egress_port = mv88e6390_g1_set_egress_port,
3207 	.watchdog_ops = &mv88e6390_watchdog_ops,
3208 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3209 	.pot_clear = mv88e6xxx_g2_pot_clear,
3210 	.reset = mv88e6352_g1_reset,
3211 	.rmu_disable = mv88e6390_g1_rmu_disable,
3212 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3213 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3214 	.serdes_power = mv88e6390_serdes_power,
3215 	.gpio_ops = &mv88e6352_gpio_ops,
3216 	.avb_ops = &mv88e6390_avb_ops,
3217 };
3218 
3219 static const struct mv88e6xxx_ops mv88e6320_ops = {
3220 	/* MV88E6XXX_FAMILY_6320 */
3221 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3222 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3223 	.irl_init_all = mv88e6352_g2_irl_init_all,
3224 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3225 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3226 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3227 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3228 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3229 	.port_set_link = mv88e6xxx_port_set_link,
3230 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3231 	.port_set_speed = mv88e6185_port_set_speed,
3232 	.port_tag_remap = mv88e6095_port_tag_remap,
3233 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3234 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3235 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3236 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3237 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3238 	.port_pause_limit = mv88e6097_port_pause_limit,
3239 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3240 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3241 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3242 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3243 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3244 	.stats_get_strings = mv88e6320_stats_get_strings,
3245 	.stats_get_stats = mv88e6320_stats_get_stats,
3246 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3247 	.set_egress_port = mv88e6095_g1_set_egress_port,
3248 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3249 	.pot_clear = mv88e6xxx_g2_pot_clear,
3250 	.reset = mv88e6352_g1_reset,
3251 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3252 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3253 	.gpio_ops = &mv88e6352_gpio_ops,
3254 	.avb_ops = &mv88e6352_avb_ops,
3255 };
3256 
3257 static const struct mv88e6xxx_ops mv88e6321_ops = {
3258 	/* MV88E6XXX_FAMILY_6320 */
3259 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3260 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3261 	.irl_init_all = mv88e6352_g2_irl_init_all,
3262 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3263 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3264 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3265 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3266 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3267 	.port_set_link = mv88e6xxx_port_set_link,
3268 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3269 	.port_set_speed = mv88e6185_port_set_speed,
3270 	.port_tag_remap = mv88e6095_port_tag_remap,
3271 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3272 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3273 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3274 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3275 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3276 	.port_pause_limit = mv88e6097_port_pause_limit,
3277 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3278 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3279 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3280 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3281 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3282 	.stats_get_strings = mv88e6320_stats_get_strings,
3283 	.stats_get_stats = mv88e6320_stats_get_stats,
3284 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3285 	.set_egress_port = mv88e6095_g1_set_egress_port,
3286 	.reset = mv88e6352_g1_reset,
3287 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3288 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3289 	.gpio_ops = &mv88e6352_gpio_ops,
3290 	.avb_ops = &mv88e6352_avb_ops,
3291 };
3292 
3293 static const struct mv88e6xxx_ops mv88e6341_ops = {
3294 	/* MV88E6XXX_FAMILY_6341 */
3295 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3296 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3297 	.irl_init_all = mv88e6352_g2_irl_init_all,
3298 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3299 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3300 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3301 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3302 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3303 	.port_set_link = mv88e6xxx_port_set_link,
3304 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3305 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3306 	.port_set_speed = mv88e6390_port_set_speed,
3307 	.port_tag_remap = mv88e6095_port_tag_remap,
3308 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3309 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3310 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3311 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3312 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3313 	.port_pause_limit = mv88e6097_port_pause_limit,
3314 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3315 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3316 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3317 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3318 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3319 	.stats_get_strings = mv88e6320_stats_get_strings,
3320 	.stats_get_stats = mv88e6390_stats_get_stats,
3321 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3322 	.set_egress_port = mv88e6390_g1_set_egress_port,
3323 	.watchdog_ops = &mv88e6390_watchdog_ops,
3324 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
3325 	.pot_clear = mv88e6xxx_g2_pot_clear,
3326 	.reset = mv88e6352_g1_reset,
3327 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3328 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3329 	.gpio_ops = &mv88e6352_gpio_ops,
3330 	.avb_ops = &mv88e6390_avb_ops,
3331 };
3332 
3333 static const struct mv88e6xxx_ops mv88e6350_ops = {
3334 	/* MV88E6XXX_FAMILY_6351 */
3335 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3336 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3337 	.irl_init_all = mv88e6352_g2_irl_init_all,
3338 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3339 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3340 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3341 	.port_set_link = mv88e6xxx_port_set_link,
3342 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3343 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3344 	.port_set_speed = mv88e6185_port_set_speed,
3345 	.port_tag_remap = mv88e6095_port_tag_remap,
3346 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3347 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3348 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3349 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3350 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3351 	.port_pause_limit = mv88e6097_port_pause_limit,
3352 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3353 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3354 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3355 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3356 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3357 	.stats_get_strings = mv88e6095_stats_get_strings,
3358 	.stats_get_stats = mv88e6095_stats_get_stats,
3359 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3360 	.set_egress_port = mv88e6095_g1_set_egress_port,
3361 	.watchdog_ops = &mv88e6097_watchdog_ops,
3362 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3363 	.pot_clear = mv88e6xxx_g2_pot_clear,
3364 	.reset = mv88e6352_g1_reset,
3365 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3366 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3367 };
3368 
3369 static const struct mv88e6xxx_ops mv88e6351_ops = {
3370 	/* MV88E6XXX_FAMILY_6351 */
3371 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3372 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3373 	.irl_init_all = mv88e6352_g2_irl_init_all,
3374 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3375 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3376 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3377 	.port_set_link = mv88e6xxx_port_set_link,
3378 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3379 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3380 	.port_set_speed = mv88e6185_port_set_speed,
3381 	.port_tag_remap = mv88e6095_port_tag_remap,
3382 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3383 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3384 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3385 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3386 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3387 	.port_pause_limit = mv88e6097_port_pause_limit,
3388 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3389 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3390 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3391 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3392 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3393 	.stats_get_strings = mv88e6095_stats_get_strings,
3394 	.stats_get_stats = mv88e6095_stats_get_stats,
3395 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3396 	.set_egress_port = mv88e6095_g1_set_egress_port,
3397 	.watchdog_ops = &mv88e6097_watchdog_ops,
3398 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3399 	.pot_clear = mv88e6xxx_g2_pot_clear,
3400 	.reset = mv88e6352_g1_reset,
3401 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3402 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3403 	.avb_ops = &mv88e6352_avb_ops,
3404 };
3405 
3406 static const struct mv88e6xxx_ops mv88e6352_ops = {
3407 	/* MV88E6XXX_FAMILY_6352 */
3408 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3409 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3410 	.irl_init_all = mv88e6352_g2_irl_init_all,
3411 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3412 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3413 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3414 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3415 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3416 	.port_set_link = mv88e6xxx_port_set_link,
3417 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3418 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3419 	.port_set_speed = mv88e6352_port_set_speed,
3420 	.port_tag_remap = mv88e6095_port_tag_remap,
3421 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3422 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3423 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3424 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3425 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3426 	.port_pause_limit = mv88e6097_port_pause_limit,
3427 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3428 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3429 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3430 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3431 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3432 	.stats_get_strings = mv88e6095_stats_get_strings,
3433 	.stats_get_stats = mv88e6095_stats_get_stats,
3434 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3435 	.set_egress_port = mv88e6095_g1_set_egress_port,
3436 	.watchdog_ops = &mv88e6097_watchdog_ops,
3437 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3438 	.pot_clear = mv88e6xxx_g2_pot_clear,
3439 	.reset = mv88e6352_g1_reset,
3440 	.rmu_disable = mv88e6352_g1_rmu_disable,
3441 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3442 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3443 	.serdes_power = mv88e6352_serdes_power,
3444 	.gpio_ops = &mv88e6352_gpio_ops,
3445 	.avb_ops = &mv88e6352_avb_ops,
3446 	.serdes_get_sset_count = mv88e6352_serdes_get_sset_count,
3447 	.serdes_get_strings = mv88e6352_serdes_get_strings,
3448 	.serdes_get_stats = mv88e6352_serdes_get_stats,
3449 };
3450 
3451 static const struct mv88e6xxx_ops mv88e6390_ops = {
3452 	/* MV88E6XXX_FAMILY_6390 */
3453 	.irl_init_all = mv88e6390_g2_irl_init_all,
3454 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3455 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3456 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3457 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3458 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3459 	.port_set_link = mv88e6xxx_port_set_link,
3460 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3461 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3462 	.port_set_speed = mv88e6390_port_set_speed,
3463 	.port_tag_remap = mv88e6390_port_tag_remap,
3464 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3465 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3466 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3467 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3468 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3469 	.port_pause_limit = mv88e6390_port_pause_limit,
3470 	.port_set_cmode = mv88e6390x_port_set_cmode,
3471 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3472 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3473 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3474 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3475 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3476 	.stats_get_strings = mv88e6320_stats_get_strings,
3477 	.stats_get_stats = mv88e6390_stats_get_stats,
3478 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3479 	.set_egress_port = mv88e6390_g1_set_egress_port,
3480 	.watchdog_ops = &mv88e6390_watchdog_ops,
3481 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3482 	.pot_clear = mv88e6xxx_g2_pot_clear,
3483 	.reset = mv88e6352_g1_reset,
3484 	.rmu_disable = mv88e6390_g1_rmu_disable,
3485 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3486 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3487 	.serdes_power = mv88e6390_serdes_power,
3488 	.gpio_ops = &mv88e6352_gpio_ops,
3489 	.avb_ops = &mv88e6390_avb_ops,
3490 };
3491 
3492 static const struct mv88e6xxx_ops mv88e6390x_ops = {
3493 	/* MV88E6XXX_FAMILY_6390 */
3494 	.irl_init_all = mv88e6390_g2_irl_init_all,
3495 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3496 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3497 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3498 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3499 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3500 	.port_set_link = mv88e6xxx_port_set_link,
3501 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3502 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3503 	.port_set_speed = mv88e6390x_port_set_speed,
3504 	.port_tag_remap = mv88e6390_port_tag_remap,
3505 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3506 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3507 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3508 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3509 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3510 	.port_pause_limit = mv88e6390_port_pause_limit,
3511 	.port_set_cmode = mv88e6390x_port_set_cmode,
3512 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3513 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3514 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3515 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3516 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3517 	.stats_get_strings = mv88e6320_stats_get_strings,
3518 	.stats_get_stats = mv88e6390_stats_get_stats,
3519 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3520 	.set_egress_port = mv88e6390_g1_set_egress_port,
3521 	.watchdog_ops = &mv88e6390_watchdog_ops,
3522 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3523 	.pot_clear = mv88e6xxx_g2_pot_clear,
3524 	.reset = mv88e6352_g1_reset,
3525 	.rmu_disable = mv88e6390_g1_rmu_disable,
3526 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3527 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3528 	.serdes_power = mv88e6390_serdes_power,
3529 	.gpio_ops = &mv88e6352_gpio_ops,
3530 	.avb_ops = &mv88e6390_avb_ops,
3531 };
3532 
3533 static const struct mv88e6xxx_info mv88e6xxx_table[] = {
3534 	[MV88E6085] = {
3535 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6085,
3536 		.family = MV88E6XXX_FAMILY_6097,
3537 		.name = "Marvell 88E6085",
3538 		.num_databases = 4096,
3539 		.num_ports = 10,
3540 		.num_internal_phys = 5,
3541 		.max_vid = 4095,
3542 		.port_base_addr = 0x10,
3543 		.phy_base_addr = 0x0,
3544 		.global1_addr = 0x1b,
3545 		.global2_addr = 0x1c,
3546 		.age_time_coeff = 15000,
3547 		.g1_irqs = 8,
3548 		.g2_irqs = 10,
3549 		.atu_move_port_mask = 0xf,
3550 		.pvt = true,
3551 		.multi_chip = true,
3552 		.tag_protocol = DSA_TAG_PROTO_DSA,
3553 		.ops = &mv88e6085_ops,
3554 	},
3555 
3556 	[MV88E6095] = {
3557 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6095,
3558 		.family = MV88E6XXX_FAMILY_6095,
3559 		.name = "Marvell 88E6095/88E6095F",
3560 		.num_databases = 256,
3561 		.num_ports = 11,
3562 		.num_internal_phys = 0,
3563 		.max_vid = 4095,
3564 		.port_base_addr = 0x10,
3565 		.phy_base_addr = 0x0,
3566 		.global1_addr = 0x1b,
3567 		.global2_addr = 0x1c,
3568 		.age_time_coeff = 15000,
3569 		.g1_irqs = 8,
3570 		.atu_move_port_mask = 0xf,
3571 		.multi_chip = true,
3572 		.tag_protocol = DSA_TAG_PROTO_DSA,
3573 		.ops = &mv88e6095_ops,
3574 	},
3575 
3576 	[MV88E6097] = {
3577 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6097,
3578 		.family = MV88E6XXX_FAMILY_6097,
3579 		.name = "Marvell 88E6097/88E6097F",
3580 		.num_databases = 4096,
3581 		.num_ports = 11,
3582 		.num_internal_phys = 8,
3583 		.max_vid = 4095,
3584 		.port_base_addr = 0x10,
3585 		.phy_base_addr = 0x0,
3586 		.global1_addr = 0x1b,
3587 		.global2_addr = 0x1c,
3588 		.age_time_coeff = 15000,
3589 		.g1_irqs = 8,
3590 		.g2_irqs = 10,
3591 		.atu_move_port_mask = 0xf,
3592 		.pvt = true,
3593 		.multi_chip = true,
3594 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3595 		.ops = &mv88e6097_ops,
3596 	},
3597 
3598 	[MV88E6123] = {
3599 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6123,
3600 		.family = MV88E6XXX_FAMILY_6165,
3601 		.name = "Marvell 88E6123",
3602 		.num_databases = 4096,
3603 		.num_ports = 3,
3604 		.num_internal_phys = 5,
3605 		.max_vid = 4095,
3606 		.port_base_addr = 0x10,
3607 		.phy_base_addr = 0x0,
3608 		.global1_addr = 0x1b,
3609 		.global2_addr = 0x1c,
3610 		.age_time_coeff = 15000,
3611 		.g1_irqs = 9,
3612 		.g2_irqs = 10,
3613 		.atu_move_port_mask = 0xf,
3614 		.pvt = true,
3615 		.multi_chip = true,
3616 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3617 		.ops = &mv88e6123_ops,
3618 	},
3619 
3620 	[MV88E6131] = {
3621 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6131,
3622 		.family = MV88E6XXX_FAMILY_6185,
3623 		.name = "Marvell 88E6131",
3624 		.num_databases = 256,
3625 		.num_ports = 8,
3626 		.num_internal_phys = 0,
3627 		.max_vid = 4095,
3628 		.port_base_addr = 0x10,
3629 		.phy_base_addr = 0x0,
3630 		.global1_addr = 0x1b,
3631 		.global2_addr = 0x1c,
3632 		.age_time_coeff = 15000,
3633 		.g1_irqs = 9,
3634 		.atu_move_port_mask = 0xf,
3635 		.multi_chip = true,
3636 		.tag_protocol = DSA_TAG_PROTO_DSA,
3637 		.ops = &mv88e6131_ops,
3638 	},
3639 
3640 	[MV88E6141] = {
3641 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6141,
3642 		.family = MV88E6XXX_FAMILY_6341,
3643 		.name = "Marvell 88E6141",
3644 		.num_databases = 4096,
3645 		.num_ports = 6,
3646 		.num_internal_phys = 5,
3647 		.num_gpio = 11,
3648 		.max_vid = 4095,
3649 		.port_base_addr = 0x10,
3650 		.phy_base_addr = 0x10,
3651 		.global1_addr = 0x1b,
3652 		.global2_addr = 0x1c,
3653 		.age_time_coeff = 3750,
3654 		.atu_move_port_mask = 0x1f,
3655 		.g1_irqs = 9,
3656 		.g2_irqs = 10,
3657 		.pvt = true,
3658 		.multi_chip = true,
3659 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3660 		.ops = &mv88e6141_ops,
3661 	},
3662 
3663 	[MV88E6161] = {
3664 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6161,
3665 		.family = MV88E6XXX_FAMILY_6165,
3666 		.name = "Marvell 88E6161",
3667 		.num_databases = 4096,
3668 		.num_ports = 6,
3669 		.num_internal_phys = 5,
3670 		.max_vid = 4095,
3671 		.port_base_addr = 0x10,
3672 		.phy_base_addr = 0x0,
3673 		.global1_addr = 0x1b,
3674 		.global2_addr = 0x1c,
3675 		.age_time_coeff = 15000,
3676 		.g1_irqs = 9,
3677 		.g2_irqs = 10,
3678 		.atu_move_port_mask = 0xf,
3679 		.pvt = true,
3680 		.multi_chip = true,
3681 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3682 		.ops = &mv88e6161_ops,
3683 	},
3684 
3685 	[MV88E6165] = {
3686 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6165,
3687 		.family = MV88E6XXX_FAMILY_6165,
3688 		.name = "Marvell 88E6165",
3689 		.num_databases = 4096,
3690 		.num_ports = 6,
3691 		.num_internal_phys = 0,
3692 		.max_vid = 4095,
3693 		.port_base_addr = 0x10,
3694 		.phy_base_addr = 0x0,
3695 		.global1_addr = 0x1b,
3696 		.global2_addr = 0x1c,
3697 		.age_time_coeff = 15000,
3698 		.g1_irqs = 9,
3699 		.g2_irqs = 10,
3700 		.atu_move_port_mask = 0xf,
3701 		.pvt = true,
3702 		.multi_chip = true,
3703 		.tag_protocol = DSA_TAG_PROTO_DSA,
3704 		.ops = &mv88e6165_ops,
3705 	},
3706 
3707 	[MV88E6171] = {
3708 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6171,
3709 		.family = MV88E6XXX_FAMILY_6351,
3710 		.name = "Marvell 88E6171",
3711 		.num_databases = 4096,
3712 		.num_ports = 7,
3713 		.num_internal_phys = 5,
3714 		.max_vid = 4095,
3715 		.port_base_addr = 0x10,
3716 		.phy_base_addr = 0x0,
3717 		.global1_addr = 0x1b,
3718 		.global2_addr = 0x1c,
3719 		.age_time_coeff = 15000,
3720 		.g1_irqs = 9,
3721 		.g2_irqs = 10,
3722 		.atu_move_port_mask = 0xf,
3723 		.pvt = true,
3724 		.multi_chip = true,
3725 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3726 		.ops = &mv88e6171_ops,
3727 	},
3728 
3729 	[MV88E6172] = {
3730 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6172,
3731 		.family = MV88E6XXX_FAMILY_6352,
3732 		.name = "Marvell 88E6172",
3733 		.num_databases = 4096,
3734 		.num_ports = 7,
3735 		.num_internal_phys = 5,
3736 		.num_gpio = 15,
3737 		.max_vid = 4095,
3738 		.port_base_addr = 0x10,
3739 		.phy_base_addr = 0x0,
3740 		.global1_addr = 0x1b,
3741 		.global2_addr = 0x1c,
3742 		.age_time_coeff = 15000,
3743 		.g1_irqs = 9,
3744 		.g2_irqs = 10,
3745 		.atu_move_port_mask = 0xf,
3746 		.pvt = true,
3747 		.multi_chip = true,
3748 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3749 		.ops = &mv88e6172_ops,
3750 	},
3751 
3752 	[MV88E6175] = {
3753 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6175,
3754 		.family = MV88E6XXX_FAMILY_6351,
3755 		.name = "Marvell 88E6175",
3756 		.num_databases = 4096,
3757 		.num_ports = 7,
3758 		.num_internal_phys = 5,
3759 		.max_vid = 4095,
3760 		.port_base_addr = 0x10,
3761 		.phy_base_addr = 0x0,
3762 		.global1_addr = 0x1b,
3763 		.global2_addr = 0x1c,
3764 		.age_time_coeff = 15000,
3765 		.g1_irqs = 9,
3766 		.g2_irqs = 10,
3767 		.atu_move_port_mask = 0xf,
3768 		.pvt = true,
3769 		.multi_chip = true,
3770 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3771 		.ops = &mv88e6175_ops,
3772 	},
3773 
3774 	[MV88E6176] = {
3775 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6176,
3776 		.family = MV88E6XXX_FAMILY_6352,
3777 		.name = "Marvell 88E6176",
3778 		.num_databases = 4096,
3779 		.num_ports = 7,
3780 		.num_internal_phys = 5,
3781 		.num_gpio = 15,
3782 		.max_vid = 4095,
3783 		.port_base_addr = 0x10,
3784 		.phy_base_addr = 0x0,
3785 		.global1_addr = 0x1b,
3786 		.global2_addr = 0x1c,
3787 		.age_time_coeff = 15000,
3788 		.g1_irqs = 9,
3789 		.g2_irqs = 10,
3790 		.atu_move_port_mask = 0xf,
3791 		.pvt = true,
3792 		.multi_chip = true,
3793 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3794 		.ops = &mv88e6176_ops,
3795 	},
3796 
3797 	[MV88E6185] = {
3798 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6185,
3799 		.family = MV88E6XXX_FAMILY_6185,
3800 		.name = "Marvell 88E6185",
3801 		.num_databases = 256,
3802 		.num_ports = 10,
3803 		.num_internal_phys = 0,
3804 		.max_vid = 4095,
3805 		.port_base_addr = 0x10,
3806 		.phy_base_addr = 0x0,
3807 		.global1_addr = 0x1b,
3808 		.global2_addr = 0x1c,
3809 		.age_time_coeff = 15000,
3810 		.g1_irqs = 8,
3811 		.atu_move_port_mask = 0xf,
3812 		.multi_chip = true,
3813 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3814 		.ops = &mv88e6185_ops,
3815 	},
3816 
3817 	[MV88E6190] = {
3818 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190,
3819 		.family = MV88E6XXX_FAMILY_6390,
3820 		.name = "Marvell 88E6190",
3821 		.num_databases = 4096,
3822 		.num_ports = 11,	/* 10 + Z80 */
3823 		.num_internal_phys = 11,
3824 		.num_gpio = 16,
3825 		.max_vid = 8191,
3826 		.port_base_addr = 0x0,
3827 		.phy_base_addr = 0x0,
3828 		.global1_addr = 0x1b,
3829 		.global2_addr = 0x1c,
3830 		.tag_protocol = DSA_TAG_PROTO_DSA,
3831 		.age_time_coeff = 3750,
3832 		.g1_irqs = 9,
3833 		.g2_irqs = 14,
3834 		.pvt = true,
3835 		.multi_chip = true,
3836 		.atu_move_port_mask = 0x1f,
3837 		.ops = &mv88e6190_ops,
3838 	},
3839 
3840 	[MV88E6190X] = {
3841 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190X,
3842 		.family = MV88E6XXX_FAMILY_6390,
3843 		.name = "Marvell 88E6190X",
3844 		.num_databases = 4096,
3845 		.num_ports = 11,	/* 10 + Z80 */
3846 		.num_internal_phys = 11,
3847 		.num_gpio = 16,
3848 		.max_vid = 8191,
3849 		.port_base_addr = 0x0,
3850 		.phy_base_addr = 0x0,
3851 		.global1_addr = 0x1b,
3852 		.global2_addr = 0x1c,
3853 		.age_time_coeff = 3750,
3854 		.g1_irqs = 9,
3855 		.g2_irqs = 14,
3856 		.atu_move_port_mask = 0x1f,
3857 		.pvt = true,
3858 		.multi_chip = true,
3859 		.tag_protocol = DSA_TAG_PROTO_DSA,
3860 		.ops = &mv88e6190x_ops,
3861 	},
3862 
3863 	[MV88E6191] = {
3864 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6191,
3865 		.family = MV88E6XXX_FAMILY_6390,
3866 		.name = "Marvell 88E6191",
3867 		.num_databases = 4096,
3868 		.num_ports = 11,	/* 10 + Z80 */
3869 		.num_internal_phys = 11,
3870 		.max_vid = 8191,
3871 		.port_base_addr = 0x0,
3872 		.phy_base_addr = 0x0,
3873 		.global1_addr = 0x1b,
3874 		.global2_addr = 0x1c,
3875 		.age_time_coeff = 3750,
3876 		.g1_irqs = 9,
3877 		.g2_irqs = 14,
3878 		.atu_move_port_mask = 0x1f,
3879 		.pvt = true,
3880 		.multi_chip = true,
3881 		.tag_protocol = DSA_TAG_PROTO_DSA,
3882 		.ptp_support = true,
3883 		.ops = &mv88e6191_ops,
3884 	},
3885 
3886 	[MV88E6240] = {
3887 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6240,
3888 		.family = MV88E6XXX_FAMILY_6352,
3889 		.name = "Marvell 88E6240",
3890 		.num_databases = 4096,
3891 		.num_ports = 7,
3892 		.num_internal_phys = 5,
3893 		.num_gpio = 15,
3894 		.max_vid = 4095,
3895 		.port_base_addr = 0x10,
3896 		.phy_base_addr = 0x0,
3897 		.global1_addr = 0x1b,
3898 		.global2_addr = 0x1c,
3899 		.age_time_coeff = 15000,
3900 		.g1_irqs = 9,
3901 		.g2_irqs = 10,
3902 		.atu_move_port_mask = 0xf,
3903 		.pvt = true,
3904 		.multi_chip = true,
3905 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3906 		.ptp_support = true,
3907 		.ops = &mv88e6240_ops,
3908 	},
3909 
3910 	[MV88E6290] = {
3911 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6290,
3912 		.family = MV88E6XXX_FAMILY_6390,
3913 		.name = "Marvell 88E6290",
3914 		.num_databases = 4096,
3915 		.num_ports = 11,	/* 10 + Z80 */
3916 		.num_internal_phys = 11,
3917 		.num_gpio = 16,
3918 		.max_vid = 8191,
3919 		.port_base_addr = 0x0,
3920 		.phy_base_addr = 0x0,
3921 		.global1_addr = 0x1b,
3922 		.global2_addr = 0x1c,
3923 		.age_time_coeff = 3750,
3924 		.g1_irqs = 9,
3925 		.g2_irqs = 14,
3926 		.atu_move_port_mask = 0x1f,
3927 		.pvt = true,
3928 		.multi_chip = true,
3929 		.tag_protocol = DSA_TAG_PROTO_DSA,
3930 		.ptp_support = true,
3931 		.ops = &mv88e6290_ops,
3932 	},
3933 
3934 	[MV88E6320] = {
3935 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6320,
3936 		.family = MV88E6XXX_FAMILY_6320,
3937 		.name = "Marvell 88E6320",
3938 		.num_databases = 4096,
3939 		.num_ports = 7,
3940 		.num_internal_phys = 5,
3941 		.num_gpio = 15,
3942 		.max_vid = 4095,
3943 		.port_base_addr = 0x10,
3944 		.phy_base_addr = 0x0,
3945 		.global1_addr = 0x1b,
3946 		.global2_addr = 0x1c,
3947 		.age_time_coeff = 15000,
3948 		.g1_irqs = 8,
3949 		.g2_irqs = 10,
3950 		.atu_move_port_mask = 0xf,
3951 		.pvt = true,
3952 		.multi_chip = true,
3953 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3954 		.ptp_support = true,
3955 		.ops = &mv88e6320_ops,
3956 	},
3957 
3958 	[MV88E6321] = {
3959 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6321,
3960 		.family = MV88E6XXX_FAMILY_6320,
3961 		.name = "Marvell 88E6321",
3962 		.num_databases = 4096,
3963 		.num_ports = 7,
3964 		.num_internal_phys = 5,
3965 		.num_gpio = 15,
3966 		.max_vid = 4095,
3967 		.port_base_addr = 0x10,
3968 		.phy_base_addr = 0x0,
3969 		.global1_addr = 0x1b,
3970 		.global2_addr = 0x1c,
3971 		.age_time_coeff = 15000,
3972 		.g1_irqs = 8,
3973 		.g2_irqs = 10,
3974 		.atu_move_port_mask = 0xf,
3975 		.multi_chip = true,
3976 		.tag_protocol = DSA_TAG_PROTO_EDSA,
3977 		.ptp_support = true,
3978 		.ops = &mv88e6321_ops,
3979 	},
3980 
3981 	[MV88E6341] = {
3982 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6341,
3983 		.family = MV88E6XXX_FAMILY_6341,
3984 		.name = "Marvell 88E6341",
3985 		.num_databases = 4096,
3986 		.num_internal_phys = 5,
3987 		.num_ports = 6,
3988 		.num_gpio = 11,
3989 		.max_vid = 4095,
3990 		.port_base_addr = 0x10,
3991 		.phy_base_addr = 0x10,
3992 		.global1_addr = 0x1b,
3993 		.global2_addr = 0x1c,
3994 		.age_time_coeff = 3750,
3995 		.atu_move_port_mask = 0x1f,
3996 		.g1_irqs = 9,
3997 		.g2_irqs = 10,
3998 		.pvt = true,
3999 		.multi_chip = true,
4000 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4001 		.ptp_support = true,
4002 		.ops = &mv88e6341_ops,
4003 	},
4004 
4005 	[MV88E6350] = {
4006 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6350,
4007 		.family = MV88E6XXX_FAMILY_6351,
4008 		.name = "Marvell 88E6350",
4009 		.num_databases = 4096,
4010 		.num_ports = 7,
4011 		.num_internal_phys = 5,
4012 		.max_vid = 4095,
4013 		.port_base_addr = 0x10,
4014 		.phy_base_addr = 0x0,
4015 		.global1_addr = 0x1b,
4016 		.global2_addr = 0x1c,
4017 		.age_time_coeff = 15000,
4018 		.g1_irqs = 9,
4019 		.g2_irqs = 10,
4020 		.atu_move_port_mask = 0xf,
4021 		.pvt = true,
4022 		.multi_chip = true,
4023 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4024 		.ops = &mv88e6350_ops,
4025 	},
4026 
4027 	[MV88E6351] = {
4028 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6351,
4029 		.family = MV88E6XXX_FAMILY_6351,
4030 		.name = "Marvell 88E6351",
4031 		.num_databases = 4096,
4032 		.num_ports = 7,
4033 		.num_internal_phys = 5,
4034 		.max_vid = 4095,
4035 		.port_base_addr = 0x10,
4036 		.phy_base_addr = 0x0,
4037 		.global1_addr = 0x1b,
4038 		.global2_addr = 0x1c,
4039 		.age_time_coeff = 15000,
4040 		.g1_irqs = 9,
4041 		.g2_irqs = 10,
4042 		.atu_move_port_mask = 0xf,
4043 		.pvt = true,
4044 		.multi_chip = true,
4045 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4046 		.ops = &mv88e6351_ops,
4047 	},
4048 
4049 	[MV88E6352] = {
4050 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6352,
4051 		.family = MV88E6XXX_FAMILY_6352,
4052 		.name = "Marvell 88E6352",
4053 		.num_databases = 4096,
4054 		.num_ports = 7,
4055 		.num_internal_phys = 5,
4056 		.num_gpio = 15,
4057 		.max_vid = 4095,
4058 		.port_base_addr = 0x10,
4059 		.phy_base_addr = 0x0,
4060 		.global1_addr = 0x1b,
4061 		.global2_addr = 0x1c,
4062 		.age_time_coeff = 15000,
4063 		.g1_irqs = 9,
4064 		.g2_irqs = 10,
4065 		.atu_move_port_mask = 0xf,
4066 		.pvt = true,
4067 		.multi_chip = true,
4068 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4069 		.ptp_support = true,
4070 		.ops = &mv88e6352_ops,
4071 	},
4072 	[MV88E6390] = {
4073 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
4074 		.family = MV88E6XXX_FAMILY_6390,
4075 		.name = "Marvell 88E6390",
4076 		.num_databases = 4096,
4077 		.num_ports = 11,	/* 10 + Z80 */
4078 		.num_internal_phys = 11,
4079 		.num_gpio = 16,
4080 		.max_vid = 8191,
4081 		.port_base_addr = 0x0,
4082 		.phy_base_addr = 0x0,
4083 		.global1_addr = 0x1b,
4084 		.global2_addr = 0x1c,
4085 		.age_time_coeff = 3750,
4086 		.g1_irqs = 9,
4087 		.g2_irqs = 14,
4088 		.atu_move_port_mask = 0x1f,
4089 		.pvt = true,
4090 		.multi_chip = true,
4091 		.tag_protocol = DSA_TAG_PROTO_DSA,
4092 		.ptp_support = true,
4093 		.ops = &mv88e6390_ops,
4094 	},
4095 	[MV88E6390X] = {
4096 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390X,
4097 		.family = MV88E6XXX_FAMILY_6390,
4098 		.name = "Marvell 88E6390X",
4099 		.num_databases = 4096,
4100 		.num_ports = 11,	/* 10 + Z80 */
4101 		.num_internal_phys = 11,
4102 		.num_gpio = 16,
4103 		.max_vid = 8191,
4104 		.port_base_addr = 0x0,
4105 		.phy_base_addr = 0x0,
4106 		.global1_addr = 0x1b,
4107 		.global2_addr = 0x1c,
4108 		.age_time_coeff = 3750,
4109 		.g1_irqs = 9,
4110 		.g2_irqs = 14,
4111 		.atu_move_port_mask = 0x1f,
4112 		.pvt = true,
4113 		.multi_chip = true,
4114 		.tag_protocol = DSA_TAG_PROTO_DSA,
4115 		.ptp_support = true,
4116 		.ops = &mv88e6390x_ops,
4117 	},
4118 };
4119 
4120 static const struct mv88e6xxx_info *mv88e6xxx_lookup_info(unsigned int prod_num)
4121 {
4122 	int i;
4123 
4124 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_table); ++i)
4125 		if (mv88e6xxx_table[i].prod_num == prod_num)
4126 			return &mv88e6xxx_table[i];
4127 
4128 	return NULL;
4129 }
4130 
4131 static int mv88e6xxx_detect(struct mv88e6xxx_chip *chip)
4132 {
4133 	const struct mv88e6xxx_info *info;
4134 	unsigned int prod_num, rev;
4135 	u16 id;
4136 	int err;
4137 
4138 	mutex_lock(&chip->reg_lock);
4139 	err = mv88e6xxx_port_read(chip, 0, MV88E6XXX_PORT_SWITCH_ID, &id);
4140 	mutex_unlock(&chip->reg_lock);
4141 	if (err)
4142 		return err;
4143 
4144 	prod_num = id & MV88E6XXX_PORT_SWITCH_ID_PROD_MASK;
4145 	rev = id & MV88E6XXX_PORT_SWITCH_ID_REV_MASK;
4146 
4147 	info = mv88e6xxx_lookup_info(prod_num);
4148 	if (!info)
4149 		return -ENODEV;
4150 
4151 	/* Update the compatible info with the probed one */
4152 	chip->info = info;
4153 
4154 	err = mv88e6xxx_g2_require(chip);
4155 	if (err)
4156 		return err;
4157 
4158 	dev_info(chip->dev, "switch 0x%x detected: %s, revision %u\n",
4159 		 chip->info->prod_num, chip->info->name, rev);
4160 
4161 	return 0;
4162 }
4163 
4164 static struct mv88e6xxx_chip *mv88e6xxx_alloc_chip(struct device *dev)
4165 {
4166 	struct mv88e6xxx_chip *chip;
4167 
4168 	chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
4169 	if (!chip)
4170 		return NULL;
4171 
4172 	chip->dev = dev;
4173 
4174 	mutex_init(&chip->reg_lock);
4175 	INIT_LIST_HEAD(&chip->mdios);
4176 
4177 	return chip;
4178 }
4179 
4180 static int mv88e6xxx_smi_init(struct mv88e6xxx_chip *chip,
4181 			      struct mii_bus *bus, int sw_addr)
4182 {
4183 	if (sw_addr == 0)
4184 		chip->smi_ops = &mv88e6xxx_smi_single_chip_ops;
4185 	else if (chip->info->multi_chip)
4186 		chip->smi_ops = &mv88e6xxx_smi_multi_chip_ops;
4187 	else
4188 		return -EINVAL;
4189 
4190 	chip->bus = bus;
4191 	chip->sw_addr = sw_addr;
4192 
4193 	return 0;
4194 }
4195 
4196 static enum dsa_tag_protocol mv88e6xxx_get_tag_protocol(struct dsa_switch *ds,
4197 							int port)
4198 {
4199 	struct mv88e6xxx_chip *chip = ds->priv;
4200 
4201 	return chip->info->tag_protocol;
4202 }
4203 
4204 #if IS_ENABLED(CONFIG_NET_DSA_LEGACY)
4205 static const char *mv88e6xxx_drv_probe(struct device *dsa_dev,
4206 				       struct device *host_dev, int sw_addr,
4207 				       void **priv)
4208 {
4209 	struct mv88e6xxx_chip *chip;
4210 	struct mii_bus *bus;
4211 	int err;
4212 
4213 	bus = dsa_host_dev_to_mii_bus(host_dev);
4214 	if (!bus)
4215 		return NULL;
4216 
4217 	chip = mv88e6xxx_alloc_chip(dsa_dev);
4218 	if (!chip)
4219 		return NULL;
4220 
4221 	/* Legacy SMI probing will only support chips similar to 88E6085 */
4222 	chip->info = &mv88e6xxx_table[MV88E6085];
4223 
4224 	err = mv88e6xxx_smi_init(chip, bus, sw_addr);
4225 	if (err)
4226 		goto free;
4227 
4228 	err = mv88e6xxx_detect(chip);
4229 	if (err)
4230 		goto free;
4231 
4232 	mutex_lock(&chip->reg_lock);
4233 	err = mv88e6xxx_switch_reset(chip);
4234 	mutex_unlock(&chip->reg_lock);
4235 	if (err)
4236 		goto free;
4237 
4238 	mv88e6xxx_phy_init(chip);
4239 
4240 	err = mv88e6xxx_mdios_register(chip, NULL);
4241 	if (err)
4242 		goto free;
4243 
4244 	*priv = chip;
4245 
4246 	return chip->info->name;
4247 free:
4248 	devm_kfree(dsa_dev, chip);
4249 
4250 	return NULL;
4251 }
4252 #endif
4253 
4254 static int mv88e6xxx_port_mdb_prepare(struct dsa_switch *ds, int port,
4255 				      const struct switchdev_obj_port_mdb *mdb)
4256 {
4257 	/* We don't need any dynamic resource from the kernel (yet),
4258 	 * so skip the prepare phase.
4259 	 */
4260 
4261 	return 0;
4262 }
4263 
4264 static void mv88e6xxx_port_mdb_add(struct dsa_switch *ds, int port,
4265 				   const struct switchdev_obj_port_mdb *mdb)
4266 {
4267 	struct mv88e6xxx_chip *chip = ds->priv;
4268 
4269 	mutex_lock(&chip->reg_lock);
4270 	if (mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid,
4271 					 MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC))
4272 		dev_err(ds->dev, "p%d: failed to load multicast MAC address\n",
4273 			port);
4274 	mutex_unlock(&chip->reg_lock);
4275 }
4276 
4277 static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, int port,
4278 				  const struct switchdev_obj_port_mdb *mdb)
4279 {
4280 	struct mv88e6xxx_chip *chip = ds->priv;
4281 	int err;
4282 
4283 	mutex_lock(&chip->reg_lock);
4284 	err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid,
4285 					   MV88E6XXX_G1_ATU_DATA_STATE_UNUSED);
4286 	mutex_unlock(&chip->reg_lock);
4287 
4288 	return err;
4289 }
4290 
4291 static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
4292 #if IS_ENABLED(CONFIG_NET_DSA_LEGACY)
4293 	.probe			= mv88e6xxx_drv_probe,
4294 #endif
4295 	.get_tag_protocol	= mv88e6xxx_get_tag_protocol,
4296 	.setup			= mv88e6xxx_setup,
4297 	.adjust_link		= mv88e6xxx_adjust_link,
4298 	.phylink_validate	= mv88e6xxx_validate,
4299 	.phylink_mac_link_state	= mv88e6xxx_link_state,
4300 	.phylink_mac_config	= mv88e6xxx_mac_config,
4301 	.phylink_mac_link_down	= mv88e6xxx_mac_link_down,
4302 	.phylink_mac_link_up	= mv88e6xxx_mac_link_up,
4303 	.get_strings		= mv88e6xxx_get_strings,
4304 	.get_ethtool_stats	= mv88e6xxx_get_ethtool_stats,
4305 	.get_sset_count		= mv88e6xxx_get_sset_count,
4306 	.port_enable		= mv88e6xxx_port_enable,
4307 	.port_disable		= mv88e6xxx_port_disable,
4308 	.get_mac_eee		= mv88e6xxx_get_mac_eee,
4309 	.set_mac_eee		= mv88e6xxx_set_mac_eee,
4310 	.get_eeprom_len		= mv88e6xxx_get_eeprom_len,
4311 	.get_eeprom		= mv88e6xxx_get_eeprom,
4312 	.set_eeprom		= mv88e6xxx_set_eeprom,
4313 	.get_regs_len		= mv88e6xxx_get_regs_len,
4314 	.get_regs		= mv88e6xxx_get_regs,
4315 	.set_ageing_time	= mv88e6xxx_set_ageing_time,
4316 	.port_bridge_join	= mv88e6xxx_port_bridge_join,
4317 	.port_bridge_leave	= mv88e6xxx_port_bridge_leave,
4318 	.port_stp_state_set	= mv88e6xxx_port_stp_state_set,
4319 	.port_fast_age		= mv88e6xxx_port_fast_age,
4320 	.port_vlan_filtering	= mv88e6xxx_port_vlan_filtering,
4321 	.port_vlan_prepare	= mv88e6xxx_port_vlan_prepare,
4322 	.port_vlan_add		= mv88e6xxx_port_vlan_add,
4323 	.port_vlan_del		= mv88e6xxx_port_vlan_del,
4324 	.port_fdb_add           = mv88e6xxx_port_fdb_add,
4325 	.port_fdb_del           = mv88e6xxx_port_fdb_del,
4326 	.port_fdb_dump          = mv88e6xxx_port_fdb_dump,
4327 	.port_mdb_prepare       = mv88e6xxx_port_mdb_prepare,
4328 	.port_mdb_add           = mv88e6xxx_port_mdb_add,
4329 	.port_mdb_del           = mv88e6xxx_port_mdb_del,
4330 	.crosschip_bridge_join	= mv88e6xxx_crosschip_bridge_join,
4331 	.crosschip_bridge_leave	= mv88e6xxx_crosschip_bridge_leave,
4332 	.port_hwtstamp_set	= mv88e6xxx_port_hwtstamp_set,
4333 	.port_hwtstamp_get	= mv88e6xxx_port_hwtstamp_get,
4334 	.port_txtstamp		= mv88e6xxx_port_txtstamp,
4335 	.port_rxtstamp		= mv88e6xxx_port_rxtstamp,
4336 	.get_ts_info		= mv88e6xxx_get_ts_info,
4337 };
4338 
4339 static struct dsa_switch_driver mv88e6xxx_switch_drv = {
4340 	.ops			= &mv88e6xxx_switch_ops,
4341 };
4342 
4343 static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip)
4344 {
4345 	struct device *dev = chip->dev;
4346 	struct dsa_switch *ds;
4347 
4348 	ds = dsa_switch_alloc(dev, mv88e6xxx_num_ports(chip));
4349 	if (!ds)
4350 		return -ENOMEM;
4351 
4352 	ds->priv = chip;
4353 	ds->ops = &mv88e6xxx_switch_ops;
4354 	ds->ageing_time_min = chip->info->age_time_coeff;
4355 	ds->ageing_time_max = chip->info->age_time_coeff * U8_MAX;
4356 
4357 	dev_set_drvdata(dev, ds);
4358 
4359 	return dsa_register_switch(ds);
4360 }
4361 
4362 static void mv88e6xxx_unregister_switch(struct mv88e6xxx_chip *chip)
4363 {
4364 	dsa_unregister_switch(chip->ds);
4365 }
4366 
4367 static int mv88e6xxx_probe(struct mdio_device *mdiodev)
4368 {
4369 	struct device *dev = &mdiodev->dev;
4370 	struct device_node *np = dev->of_node;
4371 	const struct mv88e6xxx_info *compat_info;
4372 	struct mv88e6xxx_chip *chip;
4373 	u32 eeprom_len;
4374 	int err;
4375 
4376 	compat_info = of_device_get_match_data(dev);
4377 	if (!compat_info)
4378 		return -EINVAL;
4379 
4380 	chip = mv88e6xxx_alloc_chip(dev);
4381 	if (!chip)
4382 		return -ENOMEM;
4383 
4384 	chip->info = compat_info;
4385 
4386 	err = mv88e6xxx_smi_init(chip, mdiodev->bus, mdiodev->addr);
4387 	if (err)
4388 		return err;
4389 
4390 	chip->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
4391 	if (IS_ERR(chip->reset))
4392 		return PTR_ERR(chip->reset);
4393 
4394 	err = mv88e6xxx_detect(chip);
4395 	if (err)
4396 		return err;
4397 
4398 	mv88e6xxx_phy_init(chip);
4399 
4400 	if (chip->info->ops->get_eeprom &&
4401 	    !of_property_read_u32(np, "eeprom-length", &eeprom_len))
4402 		chip->eeprom_len = eeprom_len;
4403 
4404 	mutex_lock(&chip->reg_lock);
4405 	err = mv88e6xxx_switch_reset(chip);
4406 	mutex_unlock(&chip->reg_lock);
4407 	if (err)
4408 		goto out;
4409 
4410 	chip->irq = of_irq_get(np, 0);
4411 	if (chip->irq == -EPROBE_DEFER) {
4412 		err = chip->irq;
4413 		goto out;
4414 	}
4415 
4416 	/* Has to be performed before the MDIO bus is created, because
4417 	 * the PHYs will link their interrupts to these interrupt
4418 	 * controllers
4419 	 */
4420 	mutex_lock(&chip->reg_lock);
4421 	if (chip->irq > 0)
4422 		err = mv88e6xxx_g1_irq_setup(chip);
4423 	else
4424 		err = mv88e6xxx_irq_poll_setup(chip);
4425 	mutex_unlock(&chip->reg_lock);
4426 
4427 	if (err)
4428 		goto out;
4429 
4430 	if (chip->info->g2_irqs > 0) {
4431 		err = mv88e6xxx_g2_irq_setup(chip);
4432 		if (err)
4433 			goto out_g1_irq;
4434 	}
4435 
4436 	err = mv88e6xxx_g1_atu_prob_irq_setup(chip);
4437 	if (err)
4438 		goto out_g2_irq;
4439 
4440 	err = mv88e6xxx_g1_vtu_prob_irq_setup(chip);
4441 	if (err)
4442 		goto out_g1_atu_prob_irq;
4443 
4444 	err = mv88e6xxx_mdios_register(chip, np);
4445 	if (err)
4446 		goto out_g1_vtu_prob_irq;
4447 
4448 	err = mv88e6xxx_register_switch(chip);
4449 	if (err)
4450 		goto out_mdio;
4451 
4452 	return 0;
4453 
4454 out_mdio:
4455 	mv88e6xxx_mdios_unregister(chip);
4456 out_g1_vtu_prob_irq:
4457 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
4458 out_g1_atu_prob_irq:
4459 	mv88e6xxx_g1_atu_prob_irq_free(chip);
4460 out_g2_irq:
4461 	if (chip->info->g2_irqs > 0)
4462 		mv88e6xxx_g2_irq_free(chip);
4463 out_g1_irq:
4464 	mutex_lock(&chip->reg_lock);
4465 	if (chip->irq > 0)
4466 		mv88e6xxx_g1_irq_free(chip);
4467 	else
4468 		mv88e6xxx_irq_poll_free(chip);
4469 	mutex_unlock(&chip->reg_lock);
4470 out:
4471 	return err;
4472 }
4473 
4474 static void mv88e6xxx_remove(struct mdio_device *mdiodev)
4475 {
4476 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
4477 	struct mv88e6xxx_chip *chip = ds->priv;
4478 
4479 	if (chip->info->ptp_support) {
4480 		mv88e6xxx_hwtstamp_free(chip);
4481 		mv88e6xxx_ptp_free(chip);
4482 	}
4483 
4484 	mv88e6xxx_phy_destroy(chip);
4485 	mv88e6xxx_unregister_switch(chip);
4486 	mv88e6xxx_mdios_unregister(chip);
4487 
4488 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
4489 	mv88e6xxx_g1_atu_prob_irq_free(chip);
4490 
4491 	if (chip->info->g2_irqs > 0)
4492 		mv88e6xxx_g2_irq_free(chip);
4493 
4494 	mutex_lock(&chip->reg_lock);
4495 	if (chip->irq > 0)
4496 		mv88e6xxx_g1_irq_free(chip);
4497 	else
4498 		mv88e6xxx_irq_poll_free(chip);
4499 	mutex_unlock(&chip->reg_lock);
4500 }
4501 
4502 static const struct of_device_id mv88e6xxx_of_match[] = {
4503 	{
4504 		.compatible = "marvell,mv88e6085",
4505 		.data = &mv88e6xxx_table[MV88E6085],
4506 	},
4507 	{
4508 		.compatible = "marvell,mv88e6190",
4509 		.data = &mv88e6xxx_table[MV88E6190],
4510 	},
4511 	{ /* sentinel */ },
4512 };
4513 
4514 MODULE_DEVICE_TABLE(of, mv88e6xxx_of_match);
4515 
4516 static struct mdio_driver mv88e6xxx_driver = {
4517 	.probe	= mv88e6xxx_probe,
4518 	.remove = mv88e6xxx_remove,
4519 	.mdiodrv.driver = {
4520 		.name = "mv88e6085",
4521 		.of_match_table = mv88e6xxx_of_match,
4522 	},
4523 };
4524 
4525 static int __init mv88e6xxx_init(void)
4526 {
4527 	register_switch_driver(&mv88e6xxx_switch_drv);
4528 	return mdio_driver_register(&mv88e6xxx_driver);
4529 }
4530 module_init(mv88e6xxx_init);
4531 
4532 static void __exit mv88e6xxx_cleanup(void)
4533 {
4534 	mdio_driver_unregister(&mv88e6xxx_driver);
4535 	unregister_switch_driver(&mv88e6xxx_switch_drv);
4536 }
4537 module_exit(mv88e6xxx_cleanup);
4538 
4539 MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>");
4540 MODULE_DESCRIPTION("Driver for Marvell 88E6XXX ethernet switch chips");
4541 MODULE_LICENSE("GPL");
4542