1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Marvell 88e6xxx Ethernet switch single-chip support
4  *
5  * Copyright (c) 2008 Marvell Semiconductor
6  *
7  * Copyright (c) 2016 Andrew Lunn <andrew@lunn.ch>
8  *
9  * Copyright (c) 2016-2017 Savoir-faire Linux Inc.
10  *	Vivien Didelot <vivien.didelot@savoirfairelinux.com>
11  */
12 
13 #include <linux/bitfield.h>
14 #include <linux/delay.h>
15 #include <linux/etherdevice.h>
16 #include <linux/ethtool.h>
17 #include <linux/if_bridge.h>
18 #include <linux/interrupt.h>
19 #include <linux/irq.h>
20 #include <linux/irqdomain.h>
21 #include <linux/jiffies.h>
22 #include <linux/list.h>
23 #include <linux/mdio.h>
24 #include <linux/module.h>
25 #include <linux/of_device.h>
26 #include <linux/of_irq.h>
27 #include <linux/of_mdio.h>
28 #include <linux/platform_data/mv88e6xxx.h>
29 #include <linux/netdevice.h>
30 #include <linux/gpio/consumer.h>
31 #include <linux/phylink.h>
32 #include <net/dsa.h>
33 
34 #include "chip.h"
35 #include "global1.h"
36 #include "global2.h"
37 #include "hwtstamp.h"
38 #include "phy.h"
39 #include "port.h"
40 #include "ptp.h"
41 #include "serdes.h"
42 #include "smi.h"
43 
assert_reg_lock(struct mv88e6xxx_chip * chip)44 static void assert_reg_lock(struct mv88e6xxx_chip *chip)
45 {
46 	if (unlikely(!mutex_is_locked(&chip->reg_lock))) {
47 		dev_err(chip->dev, "Switch registers lock not held!\n");
48 		dump_stack();
49 	}
50 }
51 
mv88e6xxx_read(struct mv88e6xxx_chip * chip,int addr,int reg,u16 * val)52 int mv88e6xxx_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val)
53 {
54 	int err;
55 
56 	assert_reg_lock(chip);
57 
58 	err = mv88e6xxx_smi_read(chip, addr, reg, val);
59 	if (err)
60 		return err;
61 
62 	dev_dbg(chip->dev, "<- addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
63 		addr, reg, *val);
64 
65 	return 0;
66 }
67 
mv88e6xxx_write(struct mv88e6xxx_chip * chip,int addr,int reg,u16 val)68 int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val)
69 {
70 	int err;
71 
72 	assert_reg_lock(chip);
73 
74 	err = mv88e6xxx_smi_write(chip, addr, reg, val);
75 	if (err)
76 		return err;
77 
78 	dev_dbg(chip->dev, "-> addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
79 		addr, reg, val);
80 
81 	return 0;
82 }
83 
mv88e6xxx_wait_mask(struct mv88e6xxx_chip * chip,int addr,int reg,u16 mask,u16 val)84 int mv88e6xxx_wait_mask(struct mv88e6xxx_chip *chip, int addr, int reg,
85 			u16 mask, u16 val)
86 {
87 	u16 data;
88 	int err;
89 	int i;
90 
91 	/* There's no bus specific operation to wait for a mask */
92 	for (i = 0; i < 16; i++) {
93 		err = mv88e6xxx_read(chip, addr, reg, &data);
94 		if (err)
95 			return err;
96 
97 		if ((data & mask) == val)
98 			return 0;
99 
100 		usleep_range(1000, 2000);
101 	}
102 
103 	dev_err(chip->dev, "Timeout while waiting for switch\n");
104 	return -ETIMEDOUT;
105 }
106 
mv88e6xxx_wait_bit(struct mv88e6xxx_chip * chip,int addr,int reg,int bit,int val)107 int mv88e6xxx_wait_bit(struct mv88e6xxx_chip *chip, int addr, int reg,
108 		       int bit, int val)
109 {
110 	return mv88e6xxx_wait_mask(chip, addr, reg, BIT(bit),
111 				   val ? BIT(bit) : 0x0000);
112 }
113 
mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip * chip)114 struct mii_bus *mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip *chip)
115 {
116 	struct mv88e6xxx_mdio_bus *mdio_bus;
117 
118 	mdio_bus = list_first_entry(&chip->mdios, struct mv88e6xxx_mdio_bus,
119 				    list);
120 	if (!mdio_bus)
121 		return NULL;
122 
123 	return mdio_bus->bus;
124 }
125 
mv88e6xxx_g1_irq_mask(struct irq_data * d)126 static void mv88e6xxx_g1_irq_mask(struct irq_data *d)
127 {
128 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
129 	unsigned int n = d->hwirq;
130 
131 	chip->g1_irq.masked |= (1 << n);
132 }
133 
mv88e6xxx_g1_irq_unmask(struct irq_data * d)134 static void mv88e6xxx_g1_irq_unmask(struct irq_data *d)
135 {
136 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
137 	unsigned int n = d->hwirq;
138 
139 	chip->g1_irq.masked &= ~(1 << n);
140 }
141 
mv88e6xxx_g1_irq_thread_work(struct mv88e6xxx_chip * chip)142 static irqreturn_t mv88e6xxx_g1_irq_thread_work(struct mv88e6xxx_chip *chip)
143 {
144 	unsigned int nhandled = 0;
145 	unsigned int sub_irq;
146 	unsigned int n;
147 	u16 reg;
148 	u16 ctl1;
149 	int err;
150 
151 	mv88e6xxx_reg_lock(chip);
152 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
153 	mv88e6xxx_reg_unlock(chip);
154 
155 	if (err)
156 		goto out;
157 
158 	do {
159 		for (n = 0; n < chip->g1_irq.nirqs; ++n) {
160 			if (reg & (1 << n)) {
161 				sub_irq = irq_find_mapping(chip->g1_irq.domain,
162 							   n);
163 				handle_nested_irq(sub_irq);
164 				++nhandled;
165 			}
166 		}
167 
168 		mv88e6xxx_reg_lock(chip);
169 		err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &ctl1);
170 		if (err)
171 			goto unlock;
172 		err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
173 unlock:
174 		mv88e6xxx_reg_unlock(chip);
175 		if (err)
176 			goto out;
177 		ctl1 &= GENMASK(chip->g1_irq.nirqs, 0);
178 	} while (reg & ctl1);
179 
180 out:
181 	return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE);
182 }
183 
mv88e6xxx_g1_irq_thread_fn(int irq,void * dev_id)184 static irqreturn_t mv88e6xxx_g1_irq_thread_fn(int irq, void *dev_id)
185 {
186 	struct mv88e6xxx_chip *chip = dev_id;
187 
188 	return mv88e6xxx_g1_irq_thread_work(chip);
189 }
190 
mv88e6xxx_g1_irq_bus_lock(struct irq_data * d)191 static void mv88e6xxx_g1_irq_bus_lock(struct irq_data *d)
192 {
193 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
194 
195 	mv88e6xxx_reg_lock(chip);
196 }
197 
mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data * d)198 static void mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data *d)
199 {
200 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
201 	u16 mask = GENMASK(chip->g1_irq.nirqs, 0);
202 	u16 reg;
203 	int err;
204 
205 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &reg);
206 	if (err)
207 		goto out;
208 
209 	reg &= ~mask;
210 	reg |= (~chip->g1_irq.masked & mask);
211 
212 	err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, reg);
213 	if (err)
214 		goto out;
215 
216 out:
217 	mv88e6xxx_reg_unlock(chip);
218 }
219 
220 static const struct irq_chip mv88e6xxx_g1_irq_chip = {
221 	.name			= "mv88e6xxx-g1",
222 	.irq_mask		= mv88e6xxx_g1_irq_mask,
223 	.irq_unmask		= mv88e6xxx_g1_irq_unmask,
224 	.irq_bus_lock		= mv88e6xxx_g1_irq_bus_lock,
225 	.irq_bus_sync_unlock	= mv88e6xxx_g1_irq_bus_sync_unlock,
226 };
227 
mv88e6xxx_g1_irq_domain_map(struct irq_domain * d,unsigned int irq,irq_hw_number_t hwirq)228 static int mv88e6xxx_g1_irq_domain_map(struct irq_domain *d,
229 				       unsigned int irq,
230 				       irq_hw_number_t hwirq)
231 {
232 	struct mv88e6xxx_chip *chip = d->host_data;
233 
234 	irq_set_chip_data(irq, d->host_data);
235 	irq_set_chip_and_handler(irq, &chip->g1_irq.chip, handle_level_irq);
236 	irq_set_noprobe(irq);
237 
238 	return 0;
239 }
240 
241 static const struct irq_domain_ops mv88e6xxx_g1_irq_domain_ops = {
242 	.map	= mv88e6xxx_g1_irq_domain_map,
243 	.xlate	= irq_domain_xlate_twocell,
244 };
245 
246 /* To be called with reg_lock held */
mv88e6xxx_g1_irq_free_common(struct mv88e6xxx_chip * chip)247 static void mv88e6xxx_g1_irq_free_common(struct mv88e6xxx_chip *chip)
248 {
249 	int irq, virq;
250 	u16 mask;
251 
252 	mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
253 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
254 	mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
255 
256 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++) {
257 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
258 		irq_dispose_mapping(virq);
259 	}
260 
261 	irq_domain_remove(chip->g1_irq.domain);
262 }
263 
mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip * chip)264 static void mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip *chip)
265 {
266 	/*
267 	 * free_irq must be called without reg_lock taken because the irq
268 	 * handler takes this lock, too.
269 	 */
270 	free_irq(chip->irq, chip);
271 
272 	mv88e6xxx_reg_lock(chip);
273 	mv88e6xxx_g1_irq_free_common(chip);
274 	mv88e6xxx_reg_unlock(chip);
275 }
276 
mv88e6xxx_g1_irq_setup_common(struct mv88e6xxx_chip * chip)277 static int mv88e6xxx_g1_irq_setup_common(struct mv88e6xxx_chip *chip)
278 {
279 	int err, irq, virq;
280 	u16 reg, mask;
281 
282 	chip->g1_irq.nirqs = chip->info->g1_irqs;
283 	chip->g1_irq.domain = irq_domain_add_simple(
284 		NULL, chip->g1_irq.nirqs, 0,
285 		&mv88e6xxx_g1_irq_domain_ops, chip);
286 	if (!chip->g1_irq.domain)
287 		return -ENOMEM;
288 
289 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++)
290 		irq_create_mapping(chip->g1_irq.domain, irq);
291 
292 	chip->g1_irq.chip = mv88e6xxx_g1_irq_chip;
293 	chip->g1_irq.masked = ~0;
294 
295 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
296 	if (err)
297 		goto out_mapping;
298 
299 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
300 
301 	err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
302 	if (err)
303 		goto out_disable;
304 
305 	/* Reading the interrupt status clears (most of) them */
306 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
307 	if (err)
308 		goto out_disable;
309 
310 	return 0;
311 
312 out_disable:
313 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
314 	mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
315 
316 out_mapping:
317 	for (irq = 0; irq < 16; irq++) {
318 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
319 		irq_dispose_mapping(virq);
320 	}
321 
322 	irq_domain_remove(chip->g1_irq.domain);
323 
324 	return err;
325 }
326 
mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip * chip)327 static int mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip *chip)
328 {
329 	static struct lock_class_key lock_key;
330 	static struct lock_class_key request_key;
331 	int err;
332 
333 	err = mv88e6xxx_g1_irq_setup_common(chip);
334 	if (err)
335 		return err;
336 
337 	/* These lock classes tells lockdep that global 1 irqs are in
338 	 * a different category than their parent GPIO, so it won't
339 	 * report false recursion.
340 	 */
341 	irq_set_lockdep_class(chip->irq, &lock_key, &request_key);
342 
343 	mv88e6xxx_reg_unlock(chip);
344 	err = request_threaded_irq(chip->irq, NULL,
345 				   mv88e6xxx_g1_irq_thread_fn,
346 				   IRQF_ONESHOT | IRQF_SHARED,
347 				   dev_name(chip->dev), chip);
348 	mv88e6xxx_reg_lock(chip);
349 	if (err)
350 		mv88e6xxx_g1_irq_free_common(chip);
351 
352 	return err;
353 }
354 
mv88e6xxx_irq_poll(struct kthread_work * work)355 static void mv88e6xxx_irq_poll(struct kthread_work *work)
356 {
357 	struct mv88e6xxx_chip *chip = container_of(work,
358 						   struct mv88e6xxx_chip,
359 						   irq_poll_work.work);
360 	mv88e6xxx_g1_irq_thread_work(chip);
361 
362 	kthread_queue_delayed_work(chip->kworker, &chip->irq_poll_work,
363 				   msecs_to_jiffies(100));
364 }
365 
mv88e6xxx_irq_poll_setup(struct mv88e6xxx_chip * chip)366 static int mv88e6xxx_irq_poll_setup(struct mv88e6xxx_chip *chip)
367 {
368 	int err;
369 
370 	err = mv88e6xxx_g1_irq_setup_common(chip);
371 	if (err)
372 		return err;
373 
374 	kthread_init_delayed_work(&chip->irq_poll_work,
375 				  mv88e6xxx_irq_poll);
376 
377 	chip->kworker = kthread_create_worker(0, "%s", dev_name(chip->dev));
378 	if (IS_ERR(chip->kworker))
379 		return PTR_ERR(chip->kworker);
380 
381 	kthread_queue_delayed_work(chip->kworker, &chip->irq_poll_work,
382 				   msecs_to_jiffies(100));
383 
384 	return 0;
385 }
386 
mv88e6xxx_irq_poll_free(struct mv88e6xxx_chip * chip)387 static void mv88e6xxx_irq_poll_free(struct mv88e6xxx_chip *chip)
388 {
389 	kthread_cancel_delayed_work_sync(&chip->irq_poll_work);
390 	kthread_destroy_worker(chip->kworker);
391 
392 	mv88e6xxx_reg_lock(chip);
393 	mv88e6xxx_g1_irq_free_common(chip);
394 	mv88e6xxx_reg_unlock(chip);
395 }
396 
mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip * chip,int port,int link,int speed,int duplex,int pause,phy_interface_t mode)397 int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port, int link,
398 			     int speed, int duplex, int pause,
399 			     phy_interface_t mode)
400 {
401 	struct phylink_link_state state;
402 	int err;
403 
404 	if (!chip->info->ops->port_set_link)
405 		return 0;
406 
407 	if (!chip->info->ops->port_link_state)
408 		return 0;
409 
410 	err = chip->info->ops->port_link_state(chip, port, &state);
411 	if (err)
412 		return err;
413 
414 	/* Has anything actually changed? We don't expect the
415 	 * interface mode to change without one of the other
416 	 * parameters also changing
417 	 */
418 	if (state.link == link &&
419 	    state.speed == speed &&
420 	    state.duplex == duplex &&
421 	    (state.interface == mode ||
422 	     state.interface == PHY_INTERFACE_MODE_NA))
423 		return 0;
424 
425 	/* Port's MAC control must not be changed unless the link is down */
426 	err = chip->info->ops->port_set_link(chip, port, LINK_FORCED_DOWN);
427 	if (err)
428 		return err;
429 
430 	if (chip->info->ops->port_set_speed) {
431 		err = chip->info->ops->port_set_speed(chip, port, speed);
432 		if (err && err != -EOPNOTSUPP)
433 			goto restore_link;
434 	}
435 
436 	if (speed == SPEED_MAX && chip->info->ops->port_max_speed_mode)
437 		mode = chip->info->ops->port_max_speed_mode(port);
438 
439 	if (chip->info->ops->port_set_pause) {
440 		err = chip->info->ops->port_set_pause(chip, port, pause);
441 		if (err)
442 			goto restore_link;
443 	}
444 
445 	if (chip->info->ops->port_set_duplex) {
446 		err = chip->info->ops->port_set_duplex(chip, port, duplex);
447 		if (err && err != -EOPNOTSUPP)
448 			goto restore_link;
449 	}
450 
451 	if (chip->info->ops->port_set_rgmii_delay) {
452 		err = chip->info->ops->port_set_rgmii_delay(chip, port, mode);
453 		if (err && err != -EOPNOTSUPP)
454 			goto restore_link;
455 	}
456 
457 	if (chip->info->ops->port_set_cmode) {
458 		err = chip->info->ops->port_set_cmode(chip, port, mode);
459 		if (err && err != -EOPNOTSUPP)
460 			goto restore_link;
461 	}
462 
463 	err = 0;
464 restore_link:
465 	if (chip->info->ops->port_set_link(chip, port, link))
466 		dev_err(chip->dev, "p%d: failed to restore MAC's link\n", port);
467 
468 	return err;
469 }
470 
mv88e6xxx_phy_is_internal(struct dsa_switch * ds,int port)471 static int mv88e6xxx_phy_is_internal(struct dsa_switch *ds, int port)
472 {
473 	struct mv88e6xxx_chip *chip = ds->priv;
474 
475 	return port < chip->info->num_internal_phys;
476 }
477 
mv88e6065_phylink_validate(struct mv88e6xxx_chip * chip,int port,unsigned long * mask,struct phylink_link_state * state)478 static void mv88e6065_phylink_validate(struct mv88e6xxx_chip *chip, int port,
479 				       unsigned long *mask,
480 				       struct phylink_link_state *state)
481 {
482 	if (!phy_interface_mode_is_8023z(state->interface)) {
483 		/* 10M and 100M are only supported in non-802.3z mode */
484 		phylink_set(mask, 10baseT_Half);
485 		phylink_set(mask, 10baseT_Full);
486 		phylink_set(mask, 100baseT_Half);
487 		phylink_set(mask, 100baseT_Full);
488 	}
489 }
490 
mv88e6185_phylink_validate(struct mv88e6xxx_chip * chip,int port,unsigned long * mask,struct phylink_link_state * state)491 static void mv88e6185_phylink_validate(struct mv88e6xxx_chip *chip, int port,
492 				       unsigned long *mask,
493 				       struct phylink_link_state *state)
494 {
495 	/* FIXME: if the port is in 1000Base-X mode, then it only supports
496 	 * 1000M FD speeds.  In this case, CMODE will indicate 5.
497 	 */
498 	phylink_set(mask, 1000baseT_Full);
499 	phylink_set(mask, 1000baseX_Full);
500 
501 	mv88e6065_phylink_validate(chip, port, mask, state);
502 }
503 
mv88e6341_phylink_validate(struct mv88e6xxx_chip * chip,int port,unsigned long * mask,struct phylink_link_state * state)504 static void mv88e6341_phylink_validate(struct mv88e6xxx_chip *chip, int port,
505 				       unsigned long *mask,
506 				       struct phylink_link_state *state)
507 {
508 	if (port >= 5)
509 		phylink_set(mask, 2500baseX_Full);
510 
511 	/* No ethtool bits for 200Mbps */
512 	phylink_set(mask, 1000baseT_Full);
513 	phylink_set(mask, 1000baseX_Full);
514 
515 	mv88e6065_phylink_validate(chip, port, mask, state);
516 }
517 
mv88e6352_phylink_validate(struct mv88e6xxx_chip * chip,int port,unsigned long * mask,struct phylink_link_state * state)518 static void mv88e6352_phylink_validate(struct mv88e6xxx_chip *chip, int port,
519 				       unsigned long *mask,
520 				       struct phylink_link_state *state)
521 {
522 	/* No ethtool bits for 200Mbps */
523 	phylink_set(mask, 1000baseT_Full);
524 	phylink_set(mask, 1000baseX_Full);
525 
526 	mv88e6065_phylink_validate(chip, port, mask, state);
527 }
528 
mv88e6390_phylink_validate(struct mv88e6xxx_chip * chip,int port,unsigned long * mask,struct phylink_link_state * state)529 static void mv88e6390_phylink_validate(struct mv88e6xxx_chip *chip, int port,
530 				       unsigned long *mask,
531 				       struct phylink_link_state *state)
532 {
533 	if (port >= 9) {
534 		phylink_set(mask, 2500baseX_Full);
535 		phylink_set(mask, 2500baseT_Full);
536 	}
537 
538 	/* No ethtool bits for 200Mbps */
539 	phylink_set(mask, 1000baseT_Full);
540 	phylink_set(mask, 1000baseX_Full);
541 
542 	mv88e6065_phylink_validate(chip, port, mask, state);
543 }
544 
mv88e6390x_phylink_validate(struct mv88e6xxx_chip * chip,int port,unsigned long * mask,struct phylink_link_state * state)545 static void mv88e6390x_phylink_validate(struct mv88e6xxx_chip *chip, int port,
546 					unsigned long *mask,
547 					struct phylink_link_state *state)
548 {
549 	if (port >= 9) {
550 		phylink_set(mask, 10000baseT_Full);
551 		phylink_set(mask, 10000baseKR_Full);
552 	}
553 
554 	mv88e6390_phylink_validate(chip, port, mask, state);
555 }
556 
mv88e6xxx_validate(struct dsa_switch * ds,int port,unsigned long * supported,struct phylink_link_state * state)557 static void mv88e6xxx_validate(struct dsa_switch *ds, int port,
558 			       unsigned long *supported,
559 			       struct phylink_link_state *state)
560 {
561 	__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
562 	struct mv88e6xxx_chip *chip = ds->priv;
563 
564 	/* Allow all the expected bits */
565 	phylink_set(mask, Autoneg);
566 	phylink_set(mask, Pause);
567 	phylink_set_port_modes(mask);
568 
569 	if (chip->info->ops->phylink_validate)
570 		chip->info->ops->phylink_validate(chip, port, mask, state);
571 
572 	bitmap_and(supported, supported, mask, __ETHTOOL_LINK_MODE_MASK_NBITS);
573 	bitmap_and(state->advertising, state->advertising, mask,
574 		   __ETHTOOL_LINK_MODE_MASK_NBITS);
575 
576 	/* We can only operate at 2500BaseX or 1000BaseX.  If requested
577 	 * to advertise both, only report advertising at 2500BaseX.
578 	 */
579 	phylink_helper_basex_speed(state);
580 }
581 
mv88e6xxx_link_state(struct dsa_switch * ds,int port,struct phylink_link_state * state)582 static int mv88e6xxx_link_state(struct dsa_switch *ds, int port,
583 				struct phylink_link_state *state)
584 {
585 	struct mv88e6xxx_chip *chip = ds->priv;
586 	int err;
587 
588 	mv88e6xxx_reg_lock(chip);
589 	if (chip->info->ops->port_link_state)
590 		err = chip->info->ops->port_link_state(chip, port, state);
591 	else
592 		err = -EOPNOTSUPP;
593 	mv88e6xxx_reg_unlock(chip);
594 
595 	return err;
596 }
597 
mv88e6xxx_mac_config(struct dsa_switch * ds,int port,unsigned int mode,const struct phylink_link_state * state)598 static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port,
599 				 unsigned int mode,
600 				 const struct phylink_link_state *state)
601 {
602 	struct mv88e6xxx_chip *chip = ds->priv;
603 	int speed, duplex, link, pause, err;
604 
605 	if ((mode == MLO_AN_PHY) && mv88e6xxx_phy_is_internal(ds, port))
606 		return;
607 
608 	if (mode == MLO_AN_FIXED) {
609 		link = LINK_FORCED_UP;
610 		speed = state->speed;
611 		duplex = state->duplex;
612 	} else if (!mv88e6xxx_phy_is_internal(ds, port)) {
613 		link = state->link;
614 		speed = state->speed;
615 		duplex = state->duplex;
616 	} else {
617 		speed = SPEED_UNFORCED;
618 		duplex = DUPLEX_UNFORCED;
619 		link = LINK_UNFORCED;
620 	}
621 	pause = !!phylink_test(state->advertising, Pause);
622 
623 	mv88e6xxx_reg_lock(chip);
624 	err = mv88e6xxx_port_setup_mac(chip, port, link, speed, duplex, pause,
625 				       state->interface);
626 	mv88e6xxx_reg_unlock(chip);
627 
628 	if (err && err != -EOPNOTSUPP)
629 		dev_err(ds->dev, "p%d: failed to configure MAC\n", port);
630 }
631 
mv88e6xxx_mac_link_force(struct dsa_switch * ds,int port,int link)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 	mv88e6xxx_reg_lock(chip);
638 	err = chip->info->ops->port_set_link(chip, port, link);
639 	mv88e6xxx_reg_unlock(chip);
640 
641 	if (err)
642 		dev_err(chip->dev, "p%d: failed to force MAC link\n", port);
643 }
644 
mv88e6xxx_mac_link_down(struct dsa_switch * ds,int port,unsigned int mode,phy_interface_t interface)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 
mv88e6xxx_mac_link_up(struct dsa_switch * ds,int port,unsigned int mode,phy_interface_t interface,struct phy_device * phydev)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 
mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip * chip,int port)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 
_mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip * chip,struct mv88e6xxx_hw_stat * s,int port,u16 bank1_select,u16 histogram)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 			low |= ((u32)reg) << 16;
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) << 32) | low;
769 	return value;
770 }
771 
mv88e6xxx_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data,int types)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 
mv88e6095_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data)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 
mv88e6250_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data)797 static int mv88e6250_stats_get_strings(struct mv88e6xxx_chip *chip,
798 				       uint8_t *data)
799 {
800 	return mv88e6xxx_stats_get_strings(chip, data, STATS_TYPE_BANK0);
801 }
802 
mv88e6320_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data)803 static int mv88e6320_stats_get_strings(struct mv88e6xxx_chip *chip,
804 				       uint8_t *data)
805 {
806 	return mv88e6xxx_stats_get_strings(chip, data,
807 					   STATS_TYPE_BANK0 | STATS_TYPE_BANK1);
808 }
809 
810 static const uint8_t *mv88e6xxx_atu_vtu_stats_strings[] = {
811 	"atu_member_violation",
812 	"atu_miss_violation",
813 	"atu_full_violation",
814 	"vtu_member_violation",
815 	"vtu_miss_violation",
816 };
817 
mv88e6xxx_atu_vtu_get_strings(uint8_t * data)818 static void mv88e6xxx_atu_vtu_get_strings(uint8_t *data)
819 {
820 	unsigned int i;
821 
822 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings); i++)
823 		strlcpy(data + i * ETH_GSTRING_LEN,
824 			mv88e6xxx_atu_vtu_stats_strings[i],
825 			ETH_GSTRING_LEN);
826 }
827 
mv88e6xxx_get_strings(struct dsa_switch * ds,int port,u32 stringset,uint8_t * data)828 static void mv88e6xxx_get_strings(struct dsa_switch *ds, int port,
829 				  u32 stringset, uint8_t *data)
830 {
831 	struct mv88e6xxx_chip *chip = ds->priv;
832 	int count = 0;
833 
834 	if (stringset != ETH_SS_STATS)
835 		return;
836 
837 	mv88e6xxx_reg_lock(chip);
838 
839 	if (chip->info->ops->stats_get_strings)
840 		count = chip->info->ops->stats_get_strings(chip, data);
841 
842 	if (chip->info->ops->serdes_get_strings) {
843 		data += count * ETH_GSTRING_LEN;
844 		count = chip->info->ops->serdes_get_strings(chip, port, data);
845 	}
846 
847 	data += count * ETH_GSTRING_LEN;
848 	mv88e6xxx_atu_vtu_get_strings(data);
849 
850 	mv88e6xxx_reg_unlock(chip);
851 }
852 
mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip * chip,int types)853 static int mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip *chip,
854 					  int types)
855 {
856 	struct mv88e6xxx_hw_stat *stat;
857 	int i, j;
858 
859 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
860 		stat = &mv88e6xxx_hw_stats[i];
861 		if (stat->type & types)
862 			j++;
863 	}
864 	return j;
865 }
866 
mv88e6095_stats_get_sset_count(struct mv88e6xxx_chip * chip)867 static int mv88e6095_stats_get_sset_count(struct mv88e6xxx_chip *chip)
868 {
869 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
870 					      STATS_TYPE_PORT);
871 }
872 
mv88e6250_stats_get_sset_count(struct mv88e6xxx_chip * chip)873 static int mv88e6250_stats_get_sset_count(struct mv88e6xxx_chip *chip)
874 {
875 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0);
876 }
877 
mv88e6320_stats_get_sset_count(struct mv88e6xxx_chip * chip)878 static int mv88e6320_stats_get_sset_count(struct mv88e6xxx_chip *chip)
879 {
880 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
881 					      STATS_TYPE_BANK1);
882 }
883 
mv88e6xxx_get_sset_count(struct dsa_switch * ds,int port,int sset)884 static int mv88e6xxx_get_sset_count(struct dsa_switch *ds, int port, int sset)
885 {
886 	struct mv88e6xxx_chip *chip = ds->priv;
887 	int serdes_count = 0;
888 	int count = 0;
889 
890 	if (sset != ETH_SS_STATS)
891 		return 0;
892 
893 	mv88e6xxx_reg_lock(chip);
894 	if (chip->info->ops->stats_get_sset_count)
895 		count = chip->info->ops->stats_get_sset_count(chip);
896 	if (count < 0)
897 		goto out;
898 
899 	if (chip->info->ops->serdes_get_sset_count)
900 		serdes_count = chip->info->ops->serdes_get_sset_count(chip,
901 								      port);
902 	if (serdes_count < 0) {
903 		count = serdes_count;
904 		goto out;
905 	}
906 	count += serdes_count;
907 	count += ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings);
908 
909 out:
910 	mv88e6xxx_reg_unlock(chip);
911 
912 	return count;
913 }
914 
mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data,int types,u16 bank1_select,u16 histogram)915 static int mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
916 				     uint64_t *data, int types,
917 				     u16 bank1_select, u16 histogram)
918 {
919 	struct mv88e6xxx_hw_stat *stat;
920 	int i, j;
921 
922 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
923 		stat = &mv88e6xxx_hw_stats[i];
924 		if (stat->type & types) {
925 			mv88e6xxx_reg_lock(chip);
926 			data[j] = _mv88e6xxx_get_ethtool_stat(chip, stat, port,
927 							      bank1_select,
928 							      histogram);
929 			mv88e6xxx_reg_unlock(chip);
930 
931 			j++;
932 		}
933 	}
934 	return j;
935 }
936 
mv88e6095_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)937 static int mv88e6095_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
938 				     uint64_t *data)
939 {
940 	return mv88e6xxx_stats_get_stats(chip, port, data,
941 					 STATS_TYPE_BANK0 | STATS_TYPE_PORT,
942 					 0, MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
943 }
944 
mv88e6250_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)945 static int mv88e6250_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
946 				     uint64_t *data)
947 {
948 	return mv88e6xxx_stats_get_stats(chip, port, data, STATS_TYPE_BANK0,
949 					 0, MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
950 }
951 
mv88e6320_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)952 static int mv88e6320_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
953 				     uint64_t *data)
954 {
955 	return mv88e6xxx_stats_get_stats(chip, port, data,
956 					 STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
957 					 MV88E6XXX_G1_STATS_OP_BANK_1_BIT_9,
958 					 MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
959 }
960 
mv88e6390_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)961 static int mv88e6390_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
962 				     uint64_t *data)
963 {
964 	return mv88e6xxx_stats_get_stats(chip, port, data,
965 					 STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
966 					 MV88E6XXX_G1_STATS_OP_BANK_1_BIT_10,
967 					 0);
968 }
969 
mv88e6xxx_atu_vtu_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)970 static void mv88e6xxx_atu_vtu_get_stats(struct mv88e6xxx_chip *chip, int port,
971 					uint64_t *data)
972 {
973 	*data++ = chip->ports[port].atu_member_violation;
974 	*data++ = chip->ports[port].atu_miss_violation;
975 	*data++ = chip->ports[port].atu_full_violation;
976 	*data++ = chip->ports[port].vtu_member_violation;
977 	*data++ = chip->ports[port].vtu_miss_violation;
978 }
979 
mv88e6xxx_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)980 static void mv88e6xxx_get_stats(struct mv88e6xxx_chip *chip, int port,
981 				uint64_t *data)
982 {
983 	int count = 0;
984 
985 	if (chip->info->ops->stats_get_stats)
986 		count = chip->info->ops->stats_get_stats(chip, port, data);
987 
988 	mv88e6xxx_reg_lock(chip);
989 	if (chip->info->ops->serdes_get_stats) {
990 		data += count;
991 		count = chip->info->ops->serdes_get_stats(chip, port, data);
992 	}
993 	data += count;
994 	mv88e6xxx_atu_vtu_get_stats(chip, port, data);
995 	mv88e6xxx_reg_unlock(chip);
996 }
997 
mv88e6xxx_get_ethtool_stats(struct dsa_switch * ds,int port,uint64_t * data)998 static void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds, int port,
999 					uint64_t *data)
1000 {
1001 	struct mv88e6xxx_chip *chip = ds->priv;
1002 	int ret;
1003 
1004 	mv88e6xxx_reg_lock(chip);
1005 
1006 	ret = mv88e6xxx_stats_snapshot(chip, port);
1007 	mv88e6xxx_reg_unlock(chip);
1008 
1009 	if (ret < 0)
1010 		return;
1011 
1012 	mv88e6xxx_get_stats(chip, port, data);
1013 
1014 }
1015 
mv88e6xxx_get_regs_len(struct dsa_switch * ds,int port)1016 static int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port)
1017 {
1018 	return 32 * sizeof(u16);
1019 }
1020 
mv88e6xxx_get_regs(struct dsa_switch * ds,int port,struct ethtool_regs * regs,void * _p)1021 static void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,
1022 			       struct ethtool_regs *regs, void *_p)
1023 {
1024 	struct mv88e6xxx_chip *chip = ds->priv;
1025 	int err;
1026 	u16 reg;
1027 	u16 *p = _p;
1028 	int i;
1029 
1030 	regs->version = chip->info->prod_num;
1031 
1032 	memset(p, 0xff, 32 * sizeof(u16));
1033 
1034 	mv88e6xxx_reg_lock(chip);
1035 
1036 	for (i = 0; i < 32; i++) {
1037 
1038 		err = mv88e6xxx_port_read(chip, port, i, &reg);
1039 		if (!err)
1040 			p[i] = reg;
1041 	}
1042 
1043 	mv88e6xxx_reg_unlock(chip);
1044 }
1045 
mv88e6xxx_get_mac_eee(struct dsa_switch * ds,int port,struct ethtool_eee * e)1046 static int mv88e6xxx_get_mac_eee(struct dsa_switch *ds, int port,
1047 				 struct ethtool_eee *e)
1048 {
1049 	/* Nothing to do on the port's MAC */
1050 	return 0;
1051 }
1052 
mv88e6xxx_set_mac_eee(struct dsa_switch * ds,int port,struct ethtool_eee * e)1053 static int mv88e6xxx_set_mac_eee(struct dsa_switch *ds, int port,
1054 				 struct ethtool_eee *e)
1055 {
1056 	/* Nothing to do on the port's MAC */
1057 	return 0;
1058 }
1059 
mv88e6xxx_port_vlan(struct mv88e6xxx_chip * chip,int dev,int port)1060 static u16 mv88e6xxx_port_vlan(struct mv88e6xxx_chip *chip, int dev, int port)
1061 {
1062 	struct dsa_switch *ds = NULL;
1063 	struct net_device *br;
1064 	u16 pvlan;
1065 	int i;
1066 
1067 	if (dev < DSA_MAX_SWITCHES)
1068 		ds = chip->ds->dst->ds[dev];
1069 
1070 	/* Prevent frames from unknown switch or port */
1071 	if (!ds || port >= ds->num_ports)
1072 		return 0;
1073 
1074 	/* Frames from DSA links and CPU ports can egress any local port */
1075 	if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))
1076 		return mv88e6xxx_port_mask(chip);
1077 
1078 	br = ds->ports[port].bridge_dev;
1079 	pvlan = 0;
1080 
1081 	/* Frames from user ports can egress any local DSA links and CPU ports,
1082 	 * as well as any local member of their bridge group.
1083 	 */
1084 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
1085 		if (dsa_is_cpu_port(chip->ds, i) ||
1086 		    dsa_is_dsa_port(chip->ds, i) ||
1087 		    (br && dsa_to_port(chip->ds, i)->bridge_dev == br))
1088 			pvlan |= BIT(i);
1089 
1090 	return pvlan;
1091 }
1092 
mv88e6xxx_port_vlan_map(struct mv88e6xxx_chip * chip,int port)1093 static int mv88e6xxx_port_vlan_map(struct mv88e6xxx_chip *chip, int port)
1094 {
1095 	u16 output_ports = mv88e6xxx_port_vlan(chip, chip->ds->index, port);
1096 
1097 	/* prevent frames from going back out of the port they came in on */
1098 	output_ports &= ~BIT(port);
1099 
1100 	return mv88e6xxx_port_set_vlan_map(chip, port, output_ports);
1101 }
1102 
mv88e6xxx_port_stp_state_set(struct dsa_switch * ds,int port,u8 state)1103 static void mv88e6xxx_port_stp_state_set(struct dsa_switch *ds, int port,
1104 					 u8 state)
1105 {
1106 	struct mv88e6xxx_chip *chip = ds->priv;
1107 	int err;
1108 
1109 	mv88e6xxx_reg_lock(chip);
1110 	err = mv88e6xxx_port_set_state(chip, port, state);
1111 	mv88e6xxx_reg_unlock(chip);
1112 
1113 	if (err)
1114 		dev_err(ds->dev, "p%d: failed to update state\n", port);
1115 }
1116 
mv88e6xxx_pri_setup(struct mv88e6xxx_chip * chip)1117 static int mv88e6xxx_pri_setup(struct mv88e6xxx_chip *chip)
1118 {
1119 	int err;
1120 
1121 	if (chip->info->ops->ieee_pri_map) {
1122 		err = chip->info->ops->ieee_pri_map(chip);
1123 		if (err)
1124 			return err;
1125 	}
1126 
1127 	if (chip->info->ops->ip_pri_map) {
1128 		err = chip->info->ops->ip_pri_map(chip);
1129 		if (err)
1130 			return err;
1131 	}
1132 
1133 	return 0;
1134 }
1135 
mv88e6xxx_devmap_setup(struct mv88e6xxx_chip * chip)1136 static int mv88e6xxx_devmap_setup(struct mv88e6xxx_chip *chip)
1137 {
1138 	int target, port;
1139 	int err;
1140 
1141 	if (!chip->info->global2_addr)
1142 		return 0;
1143 
1144 	/* Initialize the routing port to the 32 possible target devices */
1145 	for (target = 0; target < 32; target++) {
1146 		port = 0x1f;
1147 		if (target < DSA_MAX_SWITCHES)
1148 			if (chip->ds->rtable[target] != DSA_RTABLE_NONE)
1149 				port = chip->ds->rtable[target];
1150 
1151 		err = mv88e6xxx_g2_device_mapping_write(chip, target, port);
1152 		if (err)
1153 			return err;
1154 	}
1155 
1156 	if (chip->info->ops->set_cascade_port) {
1157 		port = MV88E6XXX_CASCADE_PORT_MULTIPLE;
1158 		err = chip->info->ops->set_cascade_port(chip, port);
1159 		if (err)
1160 			return err;
1161 	}
1162 
1163 	err = mv88e6xxx_g1_set_device_number(chip, chip->ds->index);
1164 	if (err)
1165 		return err;
1166 
1167 	return 0;
1168 }
1169 
mv88e6xxx_trunk_setup(struct mv88e6xxx_chip * chip)1170 static int mv88e6xxx_trunk_setup(struct mv88e6xxx_chip *chip)
1171 {
1172 	/* Clear all trunk masks and mapping */
1173 	if (chip->info->global2_addr)
1174 		return mv88e6xxx_g2_trunk_clear(chip);
1175 
1176 	return 0;
1177 }
1178 
mv88e6xxx_rmu_setup(struct mv88e6xxx_chip * chip)1179 static int mv88e6xxx_rmu_setup(struct mv88e6xxx_chip *chip)
1180 {
1181 	if (chip->info->ops->rmu_disable)
1182 		return chip->info->ops->rmu_disable(chip);
1183 
1184 	return 0;
1185 }
1186 
mv88e6xxx_pot_setup(struct mv88e6xxx_chip * chip)1187 static int mv88e6xxx_pot_setup(struct mv88e6xxx_chip *chip)
1188 {
1189 	if (chip->info->ops->pot_clear)
1190 		return chip->info->ops->pot_clear(chip);
1191 
1192 	return 0;
1193 }
1194 
mv88e6xxx_rsvd2cpu_setup(struct mv88e6xxx_chip * chip)1195 static int mv88e6xxx_rsvd2cpu_setup(struct mv88e6xxx_chip *chip)
1196 {
1197 	if (chip->info->ops->mgmt_rsvd2cpu)
1198 		return chip->info->ops->mgmt_rsvd2cpu(chip);
1199 
1200 	return 0;
1201 }
1202 
mv88e6xxx_atu_setup(struct mv88e6xxx_chip * chip)1203 static int mv88e6xxx_atu_setup(struct mv88e6xxx_chip *chip)
1204 {
1205 	int err;
1206 
1207 	err = mv88e6xxx_g1_atu_flush(chip, 0, true);
1208 	if (err)
1209 		return err;
1210 
1211 	err = mv88e6xxx_g1_atu_set_learn2all(chip, true);
1212 	if (err)
1213 		return err;
1214 
1215 	return mv88e6xxx_g1_atu_set_age_time(chip, 300000);
1216 }
1217 
mv88e6xxx_irl_setup(struct mv88e6xxx_chip * chip)1218 static int mv88e6xxx_irl_setup(struct mv88e6xxx_chip *chip)
1219 {
1220 	int port;
1221 	int err;
1222 
1223 	if (!chip->info->ops->irl_init_all)
1224 		return 0;
1225 
1226 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
1227 		/* Disable ingress rate limiting by resetting all per port
1228 		 * ingress rate limit resources to their initial state.
1229 		 */
1230 		err = chip->info->ops->irl_init_all(chip, port);
1231 		if (err)
1232 			return err;
1233 	}
1234 
1235 	return 0;
1236 }
1237 
mv88e6xxx_mac_setup(struct mv88e6xxx_chip * chip)1238 static int mv88e6xxx_mac_setup(struct mv88e6xxx_chip *chip)
1239 {
1240 	if (chip->info->ops->set_switch_mac) {
1241 		u8 addr[ETH_ALEN];
1242 
1243 		eth_random_addr(addr);
1244 
1245 		return chip->info->ops->set_switch_mac(chip, addr);
1246 	}
1247 
1248 	return 0;
1249 }
1250 
mv88e6xxx_pvt_map(struct mv88e6xxx_chip * chip,int dev,int port)1251 static int mv88e6xxx_pvt_map(struct mv88e6xxx_chip *chip, int dev, int port)
1252 {
1253 	u16 pvlan = 0;
1254 
1255 	if (!mv88e6xxx_has_pvt(chip))
1256 		return -EOPNOTSUPP;
1257 
1258 	/* Skip the local source device, which uses in-chip port VLAN */
1259 	if (dev != chip->ds->index)
1260 		pvlan = mv88e6xxx_port_vlan(chip, dev, port);
1261 
1262 	return mv88e6xxx_g2_pvt_write(chip, dev, port, pvlan);
1263 }
1264 
mv88e6xxx_pvt_setup(struct mv88e6xxx_chip * chip)1265 static int mv88e6xxx_pvt_setup(struct mv88e6xxx_chip *chip)
1266 {
1267 	int dev, port;
1268 	int err;
1269 
1270 	if (!mv88e6xxx_has_pvt(chip))
1271 		return 0;
1272 
1273 	/* Clear 5 Bit Port for usage with Marvell Link Street devices:
1274 	 * use 4 bits for the Src_Port/Src_Trunk and 5 bits for the Src_Dev.
1275 	 */
1276 	err = mv88e6xxx_g2_misc_4_bit_port(chip);
1277 	if (err)
1278 		return err;
1279 
1280 	for (dev = 0; dev < MV88E6XXX_MAX_PVT_SWITCHES; ++dev) {
1281 		for (port = 0; port < MV88E6XXX_MAX_PVT_PORTS; ++port) {
1282 			err = mv88e6xxx_pvt_map(chip, dev, port);
1283 			if (err)
1284 				return err;
1285 		}
1286 	}
1287 
1288 	return 0;
1289 }
1290 
mv88e6xxx_port_fast_age(struct dsa_switch * ds,int port)1291 static void mv88e6xxx_port_fast_age(struct dsa_switch *ds, int port)
1292 {
1293 	struct mv88e6xxx_chip *chip = ds->priv;
1294 	int err;
1295 
1296 	mv88e6xxx_reg_lock(chip);
1297 	err = mv88e6xxx_g1_atu_remove(chip, 0, port, false);
1298 	mv88e6xxx_reg_unlock(chip);
1299 
1300 	if (err)
1301 		dev_err(ds->dev, "p%d: failed to flush ATU\n", port);
1302 }
1303 
mv88e6xxx_vtu_setup(struct mv88e6xxx_chip * chip)1304 static int mv88e6xxx_vtu_setup(struct mv88e6xxx_chip *chip)
1305 {
1306 	if (!chip->info->max_vid)
1307 		return 0;
1308 
1309 	return mv88e6xxx_g1_vtu_flush(chip);
1310 }
1311 
mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip * chip,struct mv88e6xxx_vtu_entry * entry)1312 static int mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
1313 				 struct mv88e6xxx_vtu_entry *entry)
1314 {
1315 	if (!chip->info->ops->vtu_getnext)
1316 		return -EOPNOTSUPP;
1317 
1318 	return chip->info->ops->vtu_getnext(chip, entry);
1319 }
1320 
mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip * chip,struct mv88e6xxx_vtu_entry * entry)1321 static int mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
1322 				   struct mv88e6xxx_vtu_entry *entry)
1323 {
1324 	if (!chip->info->ops->vtu_loadpurge)
1325 		return -EOPNOTSUPP;
1326 
1327 	return chip->info->ops->vtu_loadpurge(chip, entry);
1328 }
1329 
mv88e6xxx_atu_new(struct mv88e6xxx_chip * chip,u16 * fid)1330 static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
1331 {
1332 	DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID);
1333 	struct mv88e6xxx_vtu_entry vlan;
1334 	int i, err;
1335 
1336 	bitmap_zero(fid_bitmap, MV88E6XXX_N_FID);
1337 
1338 	/* Set every FID bit used by the (un)bridged ports */
1339 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
1340 		err = mv88e6xxx_port_get_fid(chip, i, fid);
1341 		if (err)
1342 			return err;
1343 
1344 		set_bit(*fid, fid_bitmap);
1345 	}
1346 
1347 	/* Set every FID bit used by the VLAN entries */
1348 	vlan.vid = chip->info->max_vid;
1349 	vlan.valid = false;
1350 
1351 	do {
1352 		err = mv88e6xxx_vtu_getnext(chip, &vlan);
1353 		if (err)
1354 			return err;
1355 
1356 		if (!vlan.valid)
1357 			break;
1358 
1359 		set_bit(vlan.fid, fid_bitmap);
1360 	} while (vlan.vid < chip->info->max_vid);
1361 
1362 	/* The reset value 0x000 is used to indicate that multiple address
1363 	 * databases are not needed. Return the next positive available.
1364 	 */
1365 	*fid = find_next_zero_bit(fid_bitmap, MV88E6XXX_N_FID, 1);
1366 	if (unlikely(*fid >= mv88e6xxx_num_databases(chip)))
1367 		return -ENOSPC;
1368 
1369 	/* Clear the database */
1370 	return mv88e6xxx_g1_atu_flush(chip, *fid, true);
1371 }
1372 
mv88e6xxx_port_check_hw_vlan(struct dsa_switch * ds,int port,u16 vid_begin,u16 vid_end)1373 static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
1374 					u16 vid_begin, u16 vid_end)
1375 {
1376 	struct mv88e6xxx_chip *chip = ds->priv;
1377 	struct mv88e6xxx_vtu_entry vlan;
1378 	int i, err;
1379 
1380 	/* DSA and CPU ports have to be members of multiple vlans */
1381 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
1382 		return 0;
1383 
1384 	if (!vid_begin)
1385 		return -EOPNOTSUPP;
1386 
1387 	vlan.vid = vid_begin - 1;
1388 	vlan.valid = false;
1389 
1390 	do {
1391 		err = mv88e6xxx_vtu_getnext(chip, &vlan);
1392 		if (err)
1393 			return err;
1394 
1395 		if (!vlan.valid)
1396 			break;
1397 
1398 		if (vlan.vid > vid_end)
1399 			break;
1400 
1401 		for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
1402 			if (dsa_is_dsa_port(ds, i) || dsa_is_cpu_port(ds, i))
1403 				continue;
1404 
1405 			if (!ds->ports[i].slave)
1406 				continue;
1407 
1408 			if (vlan.member[i] ==
1409 			    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
1410 				continue;
1411 
1412 			if (dsa_to_port(ds, i)->bridge_dev ==
1413 			    ds->ports[port].bridge_dev)
1414 				break; /* same bridge, check next VLAN */
1415 
1416 			if (!dsa_to_port(ds, i)->bridge_dev)
1417 				continue;
1418 
1419 			dev_err(ds->dev, "p%d: hw VLAN %d already used by port %d in %s\n",
1420 				port, vlan.vid, i,
1421 				netdev_name(dsa_to_port(ds, i)->bridge_dev));
1422 			return -EOPNOTSUPP;
1423 		}
1424 	} while (vlan.vid < vid_end);
1425 
1426 	return 0;
1427 }
1428 
mv88e6xxx_port_vlan_filtering(struct dsa_switch * ds,int port,bool vlan_filtering)1429 static int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
1430 					 bool vlan_filtering)
1431 {
1432 	struct mv88e6xxx_chip *chip = ds->priv;
1433 	u16 mode = vlan_filtering ? MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE :
1434 		MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED;
1435 	int err;
1436 
1437 	if (!chip->info->max_vid)
1438 		return -EOPNOTSUPP;
1439 
1440 	mv88e6xxx_reg_lock(chip);
1441 	err = mv88e6xxx_port_set_8021q_mode(chip, port, mode);
1442 	mv88e6xxx_reg_unlock(chip);
1443 
1444 	return err;
1445 }
1446 
1447 static int
mv88e6xxx_port_vlan_prepare(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan)1448 mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port,
1449 			    const struct switchdev_obj_port_vlan *vlan)
1450 {
1451 	struct mv88e6xxx_chip *chip = ds->priv;
1452 	int err;
1453 
1454 	if (!chip->info->max_vid)
1455 		return -EOPNOTSUPP;
1456 
1457 	/* If the requested port doesn't belong to the same bridge as the VLAN
1458 	 * members, do not support it (yet) and fallback to software VLAN.
1459 	 */
1460 	mv88e6xxx_reg_lock(chip);
1461 	err = mv88e6xxx_port_check_hw_vlan(ds, port, vlan->vid_begin,
1462 					   vlan->vid_end);
1463 	mv88e6xxx_reg_unlock(chip);
1464 
1465 	/* We don't need any dynamic resource from the kernel (yet),
1466 	 * so skip the prepare phase.
1467 	 */
1468 	return err;
1469 }
1470 
mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip * chip,int port,const unsigned char * addr,u16 vid,u8 state)1471 static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port,
1472 					const unsigned char *addr, u16 vid,
1473 					u8 state)
1474 {
1475 	struct mv88e6xxx_atu_entry entry;
1476 	struct mv88e6xxx_vtu_entry vlan;
1477 	u16 fid;
1478 	int err;
1479 
1480 	/* Null VLAN ID corresponds to the port private database */
1481 	if (vid == 0) {
1482 		err = mv88e6xxx_port_get_fid(chip, port, &fid);
1483 		if (err)
1484 			return err;
1485 	} else {
1486 		vlan.vid = vid - 1;
1487 		vlan.valid = false;
1488 
1489 		err = mv88e6xxx_vtu_getnext(chip, &vlan);
1490 		if (err)
1491 			return err;
1492 
1493 		/* switchdev expects -EOPNOTSUPP to honor software VLANs */
1494 		if (vlan.vid != vid || !vlan.valid)
1495 			return -EOPNOTSUPP;
1496 
1497 		fid = vlan.fid;
1498 	}
1499 
1500 	entry.state = 0;
1501 	ether_addr_copy(entry.mac, addr);
1502 	eth_addr_dec(entry.mac);
1503 
1504 	err = mv88e6xxx_g1_atu_getnext(chip, fid, &entry);
1505 	if (err)
1506 		return err;
1507 
1508 	/* Initialize a fresh ATU entry if it isn't found */
1509 	if (!entry.state || !ether_addr_equal(entry.mac, addr)) {
1510 		memset(&entry, 0, sizeof(entry));
1511 		ether_addr_copy(entry.mac, addr);
1512 	}
1513 
1514 	/* Purge the ATU entry only if no port is using it anymore */
1515 	if (!state) {
1516 		entry.portvec &= ~BIT(port);
1517 		if (!entry.portvec)
1518 			entry.state = 0;
1519 	} else {
1520 		entry.portvec |= BIT(port);
1521 		entry.state = state;
1522 	}
1523 
1524 	return mv88e6xxx_g1_atu_loadpurge(chip, fid, &entry);
1525 }
1526 
mv88e6xxx_policy_apply(struct mv88e6xxx_chip * chip,int port,const struct mv88e6xxx_policy * policy)1527 static int mv88e6xxx_policy_apply(struct mv88e6xxx_chip *chip, int port,
1528 				  const struct mv88e6xxx_policy *policy)
1529 {
1530 	enum mv88e6xxx_policy_mapping mapping = policy->mapping;
1531 	enum mv88e6xxx_policy_action action = policy->action;
1532 	const u8 *addr = policy->addr;
1533 	u16 vid = policy->vid;
1534 	u8 state;
1535 	int err;
1536 	int id;
1537 
1538 	if (!chip->info->ops->port_set_policy)
1539 		return -EOPNOTSUPP;
1540 
1541 	switch (mapping) {
1542 	case MV88E6XXX_POLICY_MAPPING_DA:
1543 	case MV88E6XXX_POLICY_MAPPING_SA:
1544 		if (action == MV88E6XXX_POLICY_ACTION_NORMAL)
1545 			state = 0; /* Dissociate the port and address */
1546 		else if (action == MV88E6XXX_POLICY_ACTION_DISCARD &&
1547 			 is_multicast_ether_addr(addr))
1548 			state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC_POLICY;
1549 		else if (action == MV88E6XXX_POLICY_ACTION_DISCARD &&
1550 			 is_unicast_ether_addr(addr))
1551 			state = MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC_POLICY;
1552 		else
1553 			return -EOPNOTSUPP;
1554 
1555 		err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
1556 						   state);
1557 		if (err)
1558 			return err;
1559 		break;
1560 	default:
1561 		return -EOPNOTSUPP;
1562 	}
1563 
1564 	/* Skip the port's policy clearing if the mapping is still in use */
1565 	if (action == MV88E6XXX_POLICY_ACTION_NORMAL)
1566 		idr_for_each_entry(&chip->policies, policy, id)
1567 			if (policy->port == port &&
1568 			    policy->mapping == mapping &&
1569 			    policy->action != action)
1570 				return 0;
1571 
1572 	return chip->info->ops->port_set_policy(chip, port, mapping, action);
1573 }
1574 
mv88e6xxx_policy_insert(struct mv88e6xxx_chip * chip,int port,struct ethtool_rx_flow_spec * fs)1575 static int mv88e6xxx_policy_insert(struct mv88e6xxx_chip *chip, int port,
1576 				   struct ethtool_rx_flow_spec *fs)
1577 {
1578 	struct ethhdr *mac_entry = &fs->h_u.ether_spec;
1579 	struct ethhdr *mac_mask = &fs->m_u.ether_spec;
1580 	enum mv88e6xxx_policy_mapping mapping;
1581 	enum mv88e6xxx_policy_action action;
1582 	struct mv88e6xxx_policy *policy;
1583 	u16 vid = 0;
1584 	u8 *addr;
1585 	int err;
1586 	int id;
1587 
1588 	if (fs->location != RX_CLS_LOC_ANY)
1589 		return -EINVAL;
1590 
1591 	if (fs->ring_cookie == RX_CLS_FLOW_DISC)
1592 		action = MV88E6XXX_POLICY_ACTION_DISCARD;
1593 	else
1594 		return -EOPNOTSUPP;
1595 
1596 	switch (fs->flow_type & ~FLOW_EXT) {
1597 	case ETHER_FLOW:
1598 		if (!is_zero_ether_addr(mac_mask->h_dest) &&
1599 		    is_zero_ether_addr(mac_mask->h_source)) {
1600 			mapping = MV88E6XXX_POLICY_MAPPING_DA;
1601 			addr = mac_entry->h_dest;
1602 		} else if (is_zero_ether_addr(mac_mask->h_dest) &&
1603 		    !is_zero_ether_addr(mac_mask->h_source)) {
1604 			mapping = MV88E6XXX_POLICY_MAPPING_SA;
1605 			addr = mac_entry->h_source;
1606 		} else {
1607 			/* Cannot support DA and SA mapping in the same rule */
1608 			return -EOPNOTSUPP;
1609 		}
1610 		break;
1611 	default:
1612 		return -EOPNOTSUPP;
1613 	}
1614 
1615 	if ((fs->flow_type & FLOW_EXT) && fs->m_ext.vlan_tci) {
1616 		if (fs->m_ext.vlan_tci != 0xffff)
1617 			return -EOPNOTSUPP;
1618 		vid = be16_to_cpu(fs->h_ext.vlan_tci) & VLAN_VID_MASK;
1619 	}
1620 
1621 	idr_for_each_entry(&chip->policies, policy, id) {
1622 		if (policy->port == port && policy->mapping == mapping &&
1623 		    policy->action == action && policy->vid == vid &&
1624 		    ether_addr_equal(policy->addr, addr))
1625 			return -EEXIST;
1626 	}
1627 
1628 	policy = devm_kzalloc(chip->dev, sizeof(*policy), GFP_KERNEL);
1629 	if (!policy)
1630 		return -ENOMEM;
1631 
1632 	fs->location = 0;
1633 	err = idr_alloc_u32(&chip->policies, policy, &fs->location, 0xffffffff,
1634 			    GFP_KERNEL);
1635 	if (err) {
1636 		devm_kfree(chip->dev, policy);
1637 		return err;
1638 	}
1639 
1640 	memcpy(&policy->fs, fs, sizeof(*fs));
1641 	ether_addr_copy(policy->addr, addr);
1642 	policy->mapping = mapping;
1643 	policy->action = action;
1644 	policy->port = port;
1645 	policy->vid = vid;
1646 
1647 	err = mv88e6xxx_policy_apply(chip, port, policy);
1648 	if (err) {
1649 		idr_remove(&chip->policies, fs->location);
1650 		devm_kfree(chip->dev, policy);
1651 		return err;
1652 	}
1653 
1654 	return 0;
1655 }
1656 
mv88e6xxx_get_rxnfc(struct dsa_switch * ds,int port,struct ethtool_rxnfc * rxnfc,u32 * rule_locs)1657 static int mv88e6xxx_get_rxnfc(struct dsa_switch *ds, int port,
1658 			       struct ethtool_rxnfc *rxnfc, u32 *rule_locs)
1659 {
1660 	struct ethtool_rx_flow_spec *fs = &rxnfc->fs;
1661 	struct mv88e6xxx_chip *chip = ds->priv;
1662 	struct mv88e6xxx_policy *policy;
1663 	int err;
1664 	int id;
1665 
1666 	mv88e6xxx_reg_lock(chip);
1667 
1668 	switch (rxnfc->cmd) {
1669 	case ETHTOOL_GRXCLSRLCNT:
1670 		rxnfc->data = 0;
1671 		rxnfc->data |= RX_CLS_LOC_SPECIAL;
1672 		rxnfc->rule_cnt = 0;
1673 		idr_for_each_entry(&chip->policies, policy, id)
1674 			if (policy->port == port)
1675 				rxnfc->rule_cnt++;
1676 		err = 0;
1677 		break;
1678 	case ETHTOOL_GRXCLSRULE:
1679 		err = -ENOENT;
1680 		policy = idr_find(&chip->policies, fs->location);
1681 		if (policy) {
1682 			memcpy(fs, &policy->fs, sizeof(*fs));
1683 			err = 0;
1684 		}
1685 		break;
1686 	case ETHTOOL_GRXCLSRLALL:
1687 		rxnfc->data = 0;
1688 		rxnfc->rule_cnt = 0;
1689 		idr_for_each_entry(&chip->policies, policy, id)
1690 			if (policy->port == port)
1691 				rule_locs[rxnfc->rule_cnt++] = id;
1692 		err = 0;
1693 		break;
1694 	default:
1695 		err = -EOPNOTSUPP;
1696 		break;
1697 	}
1698 
1699 	mv88e6xxx_reg_unlock(chip);
1700 
1701 	return err;
1702 }
1703 
mv88e6xxx_set_rxnfc(struct dsa_switch * ds,int port,struct ethtool_rxnfc * rxnfc)1704 static int mv88e6xxx_set_rxnfc(struct dsa_switch *ds, int port,
1705 			       struct ethtool_rxnfc *rxnfc)
1706 {
1707 	struct ethtool_rx_flow_spec *fs = &rxnfc->fs;
1708 	struct mv88e6xxx_chip *chip = ds->priv;
1709 	struct mv88e6xxx_policy *policy;
1710 	int err;
1711 
1712 	mv88e6xxx_reg_lock(chip);
1713 
1714 	switch (rxnfc->cmd) {
1715 	case ETHTOOL_SRXCLSRLINS:
1716 		err = mv88e6xxx_policy_insert(chip, port, fs);
1717 		break;
1718 	case ETHTOOL_SRXCLSRLDEL:
1719 		err = -ENOENT;
1720 		policy = idr_remove(&chip->policies, fs->location);
1721 		if (policy) {
1722 			policy->action = MV88E6XXX_POLICY_ACTION_NORMAL;
1723 			err = mv88e6xxx_policy_apply(chip, port, policy);
1724 			devm_kfree(chip->dev, policy);
1725 		}
1726 		break;
1727 	default:
1728 		err = -EOPNOTSUPP;
1729 		break;
1730 	}
1731 
1732 	mv88e6xxx_reg_unlock(chip);
1733 
1734 	return err;
1735 }
1736 
mv88e6xxx_port_add_broadcast(struct mv88e6xxx_chip * chip,int port,u16 vid)1737 static int mv88e6xxx_port_add_broadcast(struct mv88e6xxx_chip *chip, int port,
1738 					u16 vid)
1739 {
1740 	const char broadcast[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1741 	u8 state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC;
1742 
1743 	return mv88e6xxx_port_db_load_purge(chip, port, broadcast, vid, state);
1744 }
1745 
mv88e6xxx_broadcast_setup(struct mv88e6xxx_chip * chip,u16 vid)1746 static int mv88e6xxx_broadcast_setup(struct mv88e6xxx_chip *chip, u16 vid)
1747 {
1748 	int port;
1749 	int err;
1750 
1751 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
1752 		err = mv88e6xxx_port_add_broadcast(chip, port, vid);
1753 		if (err)
1754 			return err;
1755 	}
1756 
1757 	return 0;
1758 }
1759 
mv88e6xxx_port_vlan_join(struct mv88e6xxx_chip * chip,int port,u16 vid,u8 member)1760 static int mv88e6xxx_port_vlan_join(struct mv88e6xxx_chip *chip, int port,
1761 				    u16 vid, u8 member)
1762 {
1763 	const u8 non_member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
1764 	struct mv88e6xxx_vtu_entry vlan;
1765 	int i, err;
1766 
1767 	if (!vid)
1768 		return -EOPNOTSUPP;
1769 
1770 	vlan.vid = vid - 1;
1771 	vlan.valid = false;
1772 
1773 	err = mv88e6xxx_vtu_getnext(chip, &vlan);
1774 	if (err)
1775 		return err;
1776 
1777 	if (vlan.vid != vid || !vlan.valid) {
1778 		memset(&vlan, 0, sizeof(vlan));
1779 
1780 		err = mv88e6xxx_atu_new(chip, &vlan.fid);
1781 		if (err)
1782 			return err;
1783 
1784 		for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
1785 			if (i == port)
1786 				vlan.member[i] = member;
1787 			else
1788 				vlan.member[i] = non_member;
1789 
1790 		vlan.vid = vid;
1791 		vlan.valid = true;
1792 
1793 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
1794 		if (err)
1795 			return err;
1796 
1797 		err = mv88e6xxx_broadcast_setup(chip, vlan.vid);
1798 		if (err)
1799 			return err;
1800 	} else if (vlan.member[port] != member) {
1801 		vlan.member[port] = member;
1802 
1803 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
1804 		if (err)
1805 			return err;
1806 	} else {
1807 		dev_info(chip->dev, "p%d: already a member of VLAN %d\n",
1808 			 port, vid);
1809 	}
1810 
1811 	return 0;
1812 }
1813 
mv88e6xxx_port_vlan_add(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan)1814 static void mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
1815 				    const struct switchdev_obj_port_vlan *vlan)
1816 {
1817 	struct mv88e6xxx_chip *chip = ds->priv;
1818 	bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
1819 	bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
1820 	u8 member;
1821 	u16 vid;
1822 
1823 	if (!chip->info->max_vid)
1824 		return;
1825 
1826 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
1827 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED;
1828 	else if (untagged)
1829 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED;
1830 	else
1831 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_TAGGED;
1832 
1833 	mv88e6xxx_reg_lock(chip);
1834 
1835 	for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid)
1836 		if (mv88e6xxx_port_vlan_join(chip, port, vid, member))
1837 			dev_err(ds->dev, "p%d: failed to add VLAN %d%c\n", port,
1838 				vid, untagged ? 'u' : 't');
1839 
1840 	if (pvid && mv88e6xxx_port_set_pvid(chip, port, vlan->vid_end))
1841 		dev_err(ds->dev, "p%d: failed to set PVID %d\n", port,
1842 			vlan->vid_end);
1843 
1844 	mv88e6xxx_reg_unlock(chip);
1845 }
1846 
mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip * chip,int port,u16 vid)1847 static int mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip *chip,
1848 				     int port, u16 vid)
1849 {
1850 	struct mv88e6xxx_vtu_entry vlan;
1851 	int i, err;
1852 
1853 	if (!vid)
1854 		return -EOPNOTSUPP;
1855 
1856 	vlan.vid = vid - 1;
1857 	vlan.valid = false;
1858 
1859 	err = mv88e6xxx_vtu_getnext(chip, &vlan);
1860 	if (err)
1861 		return err;
1862 
1863 	/* If the VLAN doesn't exist in hardware or the port isn't a member,
1864 	 * tell switchdev that this VLAN is likely handled in software.
1865 	 */
1866 	if (vlan.vid != vid || !vlan.valid ||
1867 	    vlan.member[port] == MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
1868 		return -EOPNOTSUPP;
1869 
1870 	vlan.member[port] = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
1871 
1872 	/* keep the VLAN unless all ports are excluded */
1873 	vlan.valid = false;
1874 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
1875 		if (vlan.member[i] !=
1876 		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
1877 			vlan.valid = true;
1878 			break;
1879 		}
1880 	}
1881 
1882 	err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
1883 	if (err)
1884 		return err;
1885 
1886 	return mv88e6xxx_g1_atu_remove(chip, vlan.fid, port, false);
1887 }
1888 
mv88e6xxx_port_vlan_del(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan)1889 static int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port,
1890 				   const struct switchdev_obj_port_vlan *vlan)
1891 {
1892 	struct mv88e6xxx_chip *chip = ds->priv;
1893 	u16 pvid, vid;
1894 	int err = 0;
1895 
1896 	if (!chip->info->max_vid)
1897 		return -EOPNOTSUPP;
1898 
1899 	mv88e6xxx_reg_lock(chip);
1900 
1901 	err = mv88e6xxx_port_get_pvid(chip, port, &pvid);
1902 	if (err)
1903 		goto unlock;
1904 
1905 	for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid) {
1906 		err = mv88e6xxx_port_vlan_leave(chip, port, vid);
1907 		if (err)
1908 			goto unlock;
1909 
1910 		if (vid == pvid) {
1911 			err = mv88e6xxx_port_set_pvid(chip, port, 0);
1912 			if (err)
1913 				goto unlock;
1914 		}
1915 	}
1916 
1917 unlock:
1918 	mv88e6xxx_reg_unlock(chip);
1919 
1920 	return err;
1921 }
1922 
mv88e6xxx_port_fdb_add(struct dsa_switch * ds,int port,const unsigned char * addr,u16 vid)1923 static int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
1924 				  const unsigned char *addr, u16 vid)
1925 {
1926 	struct mv88e6xxx_chip *chip = ds->priv;
1927 	int err;
1928 
1929 	mv88e6xxx_reg_lock(chip);
1930 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
1931 					   MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
1932 	mv88e6xxx_reg_unlock(chip);
1933 
1934 	return err;
1935 }
1936 
mv88e6xxx_port_fdb_del(struct dsa_switch * ds,int port,const unsigned char * addr,u16 vid)1937 static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
1938 				  const unsigned char *addr, u16 vid)
1939 {
1940 	struct mv88e6xxx_chip *chip = ds->priv;
1941 	int err;
1942 
1943 	mv88e6xxx_reg_lock(chip);
1944 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid, 0);
1945 	mv88e6xxx_reg_unlock(chip);
1946 
1947 	return err;
1948 }
1949 
mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip * chip,u16 fid,u16 vid,int port,dsa_fdb_dump_cb_t * cb,void * data)1950 static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip,
1951 				      u16 fid, u16 vid, int port,
1952 				      dsa_fdb_dump_cb_t *cb, void *data)
1953 {
1954 	struct mv88e6xxx_atu_entry addr;
1955 	bool is_static;
1956 	int err;
1957 
1958 	addr.state = 0;
1959 	eth_broadcast_addr(addr.mac);
1960 
1961 	do {
1962 		err = mv88e6xxx_g1_atu_getnext(chip, fid, &addr);
1963 		if (err)
1964 			return err;
1965 
1966 		if (!addr.state)
1967 			break;
1968 
1969 		if (addr.trunk || (addr.portvec & BIT(port)) == 0)
1970 			continue;
1971 
1972 		if (!is_unicast_ether_addr(addr.mac))
1973 			continue;
1974 
1975 		is_static = (addr.state ==
1976 			     MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
1977 		err = cb(addr.mac, vid, is_static, data);
1978 		if (err)
1979 			return err;
1980 	} while (!is_broadcast_ether_addr(addr.mac));
1981 
1982 	return err;
1983 }
1984 
mv88e6xxx_port_db_dump(struct mv88e6xxx_chip * chip,int port,dsa_fdb_dump_cb_t * cb,void * data)1985 static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
1986 				  dsa_fdb_dump_cb_t *cb, void *data)
1987 {
1988 	struct mv88e6xxx_vtu_entry vlan;
1989 	u16 fid;
1990 	int err;
1991 
1992 	/* Dump port's default Filtering Information Database (VLAN ID 0) */
1993 	err = mv88e6xxx_port_get_fid(chip, port, &fid);
1994 	if (err)
1995 		return err;
1996 
1997 	err = mv88e6xxx_port_db_dump_fid(chip, fid, 0, port, cb, data);
1998 	if (err)
1999 		return err;
2000 
2001 	/* Dump VLANs' Filtering Information Databases */
2002 	vlan.vid = chip->info->max_vid;
2003 	vlan.valid = false;
2004 
2005 	do {
2006 		err = mv88e6xxx_vtu_getnext(chip, &vlan);
2007 		if (err)
2008 			return err;
2009 
2010 		if (!vlan.valid)
2011 			break;
2012 
2013 		err = mv88e6xxx_port_db_dump_fid(chip, vlan.fid, vlan.vid, port,
2014 						 cb, data);
2015 		if (err)
2016 			return err;
2017 	} while (vlan.vid < chip->info->max_vid);
2018 
2019 	return err;
2020 }
2021 
mv88e6xxx_port_fdb_dump(struct dsa_switch * ds,int port,dsa_fdb_dump_cb_t * cb,void * data)2022 static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
2023 				   dsa_fdb_dump_cb_t *cb, void *data)
2024 {
2025 	struct mv88e6xxx_chip *chip = ds->priv;
2026 	int err;
2027 
2028 	mv88e6xxx_reg_lock(chip);
2029 	err = mv88e6xxx_port_db_dump(chip, port, cb, data);
2030 	mv88e6xxx_reg_unlock(chip);
2031 
2032 	return err;
2033 }
2034 
mv88e6xxx_bridge_map(struct mv88e6xxx_chip * chip,struct net_device * br)2035 static int mv88e6xxx_bridge_map(struct mv88e6xxx_chip *chip,
2036 				struct net_device *br)
2037 {
2038 	struct dsa_switch *ds;
2039 	int port;
2040 	int dev;
2041 	int err;
2042 
2043 	/* Remap the Port VLAN of each local bridge group member */
2044 	for (port = 0; port < mv88e6xxx_num_ports(chip); ++port) {
2045 		if (chip->ds->ports[port].bridge_dev == br) {
2046 			err = mv88e6xxx_port_vlan_map(chip, port);
2047 			if (err)
2048 				return err;
2049 		}
2050 	}
2051 
2052 	if (!mv88e6xxx_has_pvt(chip))
2053 		return 0;
2054 
2055 	/* Remap the Port VLAN of each cross-chip bridge group member */
2056 	for (dev = 0; dev < DSA_MAX_SWITCHES; ++dev) {
2057 		ds = chip->ds->dst->ds[dev];
2058 		if (!ds)
2059 			break;
2060 
2061 		for (port = 0; port < ds->num_ports; ++port) {
2062 			if (ds->ports[port].bridge_dev == br) {
2063 				err = mv88e6xxx_pvt_map(chip, dev, port);
2064 				if (err)
2065 					return err;
2066 			}
2067 		}
2068 	}
2069 
2070 	return 0;
2071 }
2072 
mv88e6xxx_port_bridge_join(struct dsa_switch * ds,int port,struct net_device * br)2073 static int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
2074 				      struct net_device *br)
2075 {
2076 	struct mv88e6xxx_chip *chip = ds->priv;
2077 	int err;
2078 
2079 	mv88e6xxx_reg_lock(chip);
2080 	err = mv88e6xxx_bridge_map(chip, br);
2081 	mv88e6xxx_reg_unlock(chip);
2082 
2083 	return err;
2084 }
2085 
mv88e6xxx_port_bridge_leave(struct dsa_switch * ds,int port,struct net_device * br)2086 static void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port,
2087 					struct net_device *br)
2088 {
2089 	struct mv88e6xxx_chip *chip = ds->priv;
2090 
2091 	mv88e6xxx_reg_lock(chip);
2092 	if (mv88e6xxx_bridge_map(chip, br) ||
2093 	    mv88e6xxx_port_vlan_map(chip, port))
2094 		dev_err(ds->dev, "failed to remap in-chip Port VLAN\n");
2095 	mv88e6xxx_reg_unlock(chip);
2096 }
2097 
mv88e6xxx_crosschip_bridge_join(struct dsa_switch * ds,int dev,int port,struct net_device * br)2098 static int mv88e6xxx_crosschip_bridge_join(struct dsa_switch *ds, int dev,
2099 					   int port, struct net_device *br)
2100 {
2101 	struct mv88e6xxx_chip *chip = ds->priv;
2102 	int err;
2103 
2104 	if (!mv88e6xxx_has_pvt(chip))
2105 		return 0;
2106 
2107 	mv88e6xxx_reg_lock(chip);
2108 	err = mv88e6xxx_pvt_map(chip, dev, port);
2109 	mv88e6xxx_reg_unlock(chip);
2110 
2111 	return err;
2112 }
2113 
mv88e6xxx_crosschip_bridge_leave(struct dsa_switch * ds,int dev,int port,struct net_device * br)2114 static void mv88e6xxx_crosschip_bridge_leave(struct dsa_switch *ds, int dev,
2115 					     int port, struct net_device *br)
2116 {
2117 	struct mv88e6xxx_chip *chip = ds->priv;
2118 
2119 	if (!mv88e6xxx_has_pvt(chip))
2120 		return;
2121 
2122 	mv88e6xxx_reg_lock(chip);
2123 	if (mv88e6xxx_pvt_map(chip, dev, port))
2124 		dev_err(ds->dev, "failed to remap cross-chip Port VLAN\n");
2125 	mv88e6xxx_reg_unlock(chip);
2126 }
2127 
mv88e6xxx_software_reset(struct mv88e6xxx_chip * chip)2128 static int mv88e6xxx_software_reset(struct mv88e6xxx_chip *chip)
2129 {
2130 	if (chip->info->ops->reset)
2131 		return chip->info->ops->reset(chip);
2132 
2133 	return 0;
2134 }
2135 
mv88e6xxx_hardware_reset(struct mv88e6xxx_chip * chip)2136 static void mv88e6xxx_hardware_reset(struct mv88e6xxx_chip *chip)
2137 {
2138 	struct gpio_desc *gpiod = chip->reset;
2139 
2140 	/* If there is a GPIO connected to the reset pin, toggle it */
2141 	if (gpiod) {
2142 		gpiod_set_value_cansleep(gpiod, 1);
2143 		usleep_range(10000, 20000);
2144 		gpiod_set_value_cansleep(gpiod, 0);
2145 		usleep_range(10000, 20000);
2146 	}
2147 }
2148 
mv88e6xxx_disable_ports(struct mv88e6xxx_chip * chip)2149 static int mv88e6xxx_disable_ports(struct mv88e6xxx_chip *chip)
2150 {
2151 	int i, err;
2152 
2153 	/* Set all ports to the Disabled state */
2154 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
2155 		err = mv88e6xxx_port_set_state(chip, i, BR_STATE_DISABLED);
2156 		if (err)
2157 			return err;
2158 	}
2159 
2160 	/* Wait for transmit queues to drain,
2161 	 * i.e. 2ms for a maximum frame to be transmitted at 10 Mbps.
2162 	 */
2163 	usleep_range(2000, 4000);
2164 
2165 	return 0;
2166 }
2167 
mv88e6xxx_switch_reset(struct mv88e6xxx_chip * chip)2168 static int mv88e6xxx_switch_reset(struct mv88e6xxx_chip *chip)
2169 {
2170 	int err;
2171 
2172 	err = mv88e6xxx_disable_ports(chip);
2173 	if (err)
2174 		return err;
2175 
2176 	mv88e6xxx_hardware_reset(chip);
2177 
2178 	return mv88e6xxx_software_reset(chip);
2179 }
2180 
mv88e6xxx_set_port_mode(struct mv88e6xxx_chip * chip,int port,enum mv88e6xxx_frame_mode frame,enum mv88e6xxx_egress_mode egress,u16 etype)2181 static int mv88e6xxx_set_port_mode(struct mv88e6xxx_chip *chip, int port,
2182 				   enum mv88e6xxx_frame_mode frame,
2183 				   enum mv88e6xxx_egress_mode egress, u16 etype)
2184 {
2185 	int err;
2186 
2187 	if (!chip->info->ops->port_set_frame_mode)
2188 		return -EOPNOTSUPP;
2189 
2190 	err = mv88e6xxx_port_set_egress_mode(chip, port, egress);
2191 	if (err)
2192 		return err;
2193 
2194 	err = chip->info->ops->port_set_frame_mode(chip, port, frame);
2195 	if (err)
2196 		return err;
2197 
2198 	if (chip->info->ops->port_set_ether_type)
2199 		return chip->info->ops->port_set_ether_type(chip, port, etype);
2200 
2201 	return 0;
2202 }
2203 
mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip * chip,int port)2204 static int mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip *chip, int port)
2205 {
2206 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_NORMAL,
2207 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
2208 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
2209 }
2210 
mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip * chip,int port)2211 static int mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip *chip, int port)
2212 {
2213 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_DSA,
2214 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
2215 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
2216 }
2217 
mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip * chip,int port)2218 static int mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip *chip, int port)
2219 {
2220 	return mv88e6xxx_set_port_mode(chip, port,
2221 				       MV88E6XXX_FRAME_MODE_ETHERTYPE,
2222 				       MV88E6XXX_EGRESS_MODE_ETHERTYPE,
2223 				       ETH_P_EDSA);
2224 }
2225 
mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip * chip,int port)2226 static int mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip *chip, int port)
2227 {
2228 	if (dsa_is_dsa_port(chip->ds, port))
2229 		return mv88e6xxx_set_port_mode_dsa(chip, port);
2230 
2231 	if (dsa_is_user_port(chip->ds, port))
2232 		return mv88e6xxx_set_port_mode_normal(chip, port);
2233 
2234 	/* Setup CPU port mode depending on its supported tag format */
2235 	if (chip->info->tag_protocol == DSA_TAG_PROTO_DSA)
2236 		return mv88e6xxx_set_port_mode_dsa(chip, port);
2237 
2238 	if (chip->info->tag_protocol == DSA_TAG_PROTO_EDSA)
2239 		return mv88e6xxx_set_port_mode_edsa(chip, port);
2240 
2241 	return -EINVAL;
2242 }
2243 
mv88e6xxx_setup_message_port(struct mv88e6xxx_chip * chip,int port)2244 static int mv88e6xxx_setup_message_port(struct mv88e6xxx_chip *chip, int port)
2245 {
2246 	bool message = dsa_is_dsa_port(chip->ds, port);
2247 
2248 	return mv88e6xxx_port_set_message_port(chip, port, message);
2249 }
2250 
mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip * chip,int port)2251 static int mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip *chip, int port)
2252 {
2253 	struct dsa_switch *ds = chip->ds;
2254 	bool flood;
2255 
2256 	/* Upstream ports flood frames with unknown unicast or multicast DA */
2257 	flood = dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port);
2258 	if (chip->info->ops->port_set_egress_floods)
2259 		return chip->info->ops->port_set_egress_floods(chip, port,
2260 							       flood, flood);
2261 
2262 	return 0;
2263 }
2264 
mv88e6xxx_serdes_irq_thread_fn(int irq,void * dev_id)2265 static irqreturn_t mv88e6xxx_serdes_irq_thread_fn(int irq, void *dev_id)
2266 {
2267 	struct mv88e6xxx_port *mvp = dev_id;
2268 	struct mv88e6xxx_chip *chip = mvp->chip;
2269 	irqreturn_t ret = IRQ_NONE;
2270 	int port = mvp->port;
2271 	u8 lane;
2272 
2273 	mv88e6xxx_reg_lock(chip);
2274 	lane = mv88e6xxx_serdes_get_lane(chip, port);
2275 	if (lane)
2276 		ret = mv88e6xxx_serdes_irq_status(chip, port, lane);
2277 	mv88e6xxx_reg_unlock(chip);
2278 
2279 	return ret;
2280 }
2281 
mv88e6xxx_serdes_irq_request(struct mv88e6xxx_chip * chip,int port,u8 lane)2282 static int mv88e6xxx_serdes_irq_request(struct mv88e6xxx_chip *chip, int port,
2283 					u8 lane)
2284 {
2285 	struct mv88e6xxx_port *dev_id = &chip->ports[port];
2286 	unsigned int irq;
2287 	int err;
2288 
2289 	/* Nothing to request if this SERDES port has no IRQ */
2290 	irq = mv88e6xxx_serdes_irq_mapping(chip, port);
2291 	if (!irq)
2292 		return 0;
2293 
2294 	/* Requesting the IRQ will trigger IRQ callbacks, so release the lock */
2295 	mv88e6xxx_reg_unlock(chip);
2296 	err = request_threaded_irq(irq, NULL, mv88e6xxx_serdes_irq_thread_fn,
2297 				   IRQF_ONESHOT, "mv88e6xxx-serdes", dev_id);
2298 	mv88e6xxx_reg_lock(chip);
2299 	if (err)
2300 		return err;
2301 
2302 	dev_id->serdes_irq = irq;
2303 
2304 	return mv88e6xxx_serdes_irq_enable(chip, port, lane);
2305 }
2306 
mv88e6xxx_serdes_irq_free(struct mv88e6xxx_chip * chip,int port,u8 lane)2307 static int mv88e6xxx_serdes_irq_free(struct mv88e6xxx_chip *chip, int port,
2308 				     u8 lane)
2309 {
2310 	struct mv88e6xxx_port *dev_id = &chip->ports[port];
2311 	unsigned int irq = dev_id->serdes_irq;
2312 	int err;
2313 
2314 	/* Nothing to free if no IRQ has been requested */
2315 	if (!irq)
2316 		return 0;
2317 
2318 	err = mv88e6xxx_serdes_irq_disable(chip, port, lane);
2319 
2320 	/* Freeing the IRQ will trigger IRQ callbacks, so release the lock */
2321 	mv88e6xxx_reg_unlock(chip);
2322 	free_irq(irq, dev_id);
2323 	mv88e6xxx_reg_lock(chip);
2324 
2325 	dev_id->serdes_irq = 0;
2326 
2327 	return err;
2328 }
2329 
mv88e6xxx_serdes_power(struct mv88e6xxx_chip * chip,int port,bool on)2330 static int mv88e6xxx_serdes_power(struct mv88e6xxx_chip *chip, int port,
2331 				  bool on)
2332 {
2333 	u8 lane;
2334 	int err;
2335 
2336 	lane = mv88e6xxx_serdes_get_lane(chip, port);
2337 	if (!lane)
2338 		return 0;
2339 
2340 	if (on) {
2341 		err = mv88e6xxx_serdes_power_up(chip, port, lane);
2342 		if (err)
2343 			return err;
2344 
2345 		err = mv88e6xxx_serdes_irq_request(chip, port, lane);
2346 	} else {
2347 		err = mv88e6xxx_serdes_irq_free(chip, port, lane);
2348 		if (err)
2349 			return err;
2350 
2351 		err = mv88e6xxx_serdes_power_down(chip, port, lane);
2352 	}
2353 
2354 	return err;
2355 }
2356 
mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip * chip,int port)2357 static int mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip *chip, int port)
2358 {
2359 	struct dsa_switch *ds = chip->ds;
2360 	int upstream_port;
2361 	int err;
2362 
2363 	upstream_port = dsa_upstream_port(ds, port);
2364 	if (chip->info->ops->port_set_upstream_port) {
2365 		err = chip->info->ops->port_set_upstream_port(chip, port,
2366 							      upstream_port);
2367 		if (err)
2368 			return err;
2369 	}
2370 
2371 	if (port == upstream_port) {
2372 		if (chip->info->ops->set_cpu_port) {
2373 			err = chip->info->ops->set_cpu_port(chip,
2374 							    upstream_port);
2375 			if (err)
2376 				return err;
2377 		}
2378 
2379 		if (chip->info->ops->set_egress_port) {
2380 			err = chip->info->ops->set_egress_port(chip,
2381 							       upstream_port);
2382 			if (err)
2383 				return err;
2384 		}
2385 	}
2386 
2387 	return 0;
2388 }
2389 
mv88e6xxx_setup_port(struct mv88e6xxx_chip * chip,int port)2390 static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
2391 {
2392 	struct dsa_switch *ds = chip->ds;
2393 	int err;
2394 	u16 reg;
2395 
2396 	chip->ports[port].chip = chip;
2397 	chip->ports[port].port = port;
2398 
2399 	/* MAC Forcing register: don't force link, speed, duplex or flow control
2400 	 * state to any particular values on physical ports, but force the CPU
2401 	 * port and all DSA ports to their maximum bandwidth and full duplex.
2402 	 */
2403 	if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))
2404 		err = mv88e6xxx_port_setup_mac(chip, port, LINK_FORCED_UP,
2405 					       SPEED_MAX, DUPLEX_FULL,
2406 					       PAUSE_OFF,
2407 					       PHY_INTERFACE_MODE_NA);
2408 	else
2409 		err = mv88e6xxx_port_setup_mac(chip, port, LINK_UNFORCED,
2410 					       SPEED_UNFORCED, DUPLEX_UNFORCED,
2411 					       PAUSE_ON,
2412 					       PHY_INTERFACE_MODE_NA);
2413 	if (err)
2414 		return err;
2415 
2416 	/* Port Control: disable Drop-on-Unlock, disable Drop-on-Lock,
2417 	 * disable Header mode, enable IGMP/MLD snooping, disable VLAN
2418 	 * tunneling, determine priority by looking at 802.1p and IP
2419 	 * priority fields (IP prio has precedence), and set STP state
2420 	 * to Forwarding.
2421 	 *
2422 	 * If this is the CPU link, use DSA or EDSA tagging depending
2423 	 * on which tagging mode was configured.
2424 	 *
2425 	 * If this is a link to another switch, use DSA tagging mode.
2426 	 *
2427 	 * If this is the upstream port for this switch, enable
2428 	 * forwarding of unknown unicasts and multicasts.
2429 	 */
2430 	reg = MV88E6XXX_PORT_CTL0_IGMP_MLD_SNOOP |
2431 		MV88E6185_PORT_CTL0_USE_TAG | MV88E6185_PORT_CTL0_USE_IP |
2432 		MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
2433 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
2434 	if (err)
2435 		return err;
2436 
2437 	err = mv88e6xxx_setup_port_mode(chip, port);
2438 	if (err)
2439 		return err;
2440 
2441 	err = mv88e6xxx_setup_egress_floods(chip, port);
2442 	if (err)
2443 		return err;
2444 
2445 	/* Port Control 2: don't force a good FCS, set the maximum frame size to
2446 	 * 10240 bytes, disable 802.1q tags checking, don't discard tagged or
2447 	 * untagged frames on this port, do a destination address lookup on all
2448 	 * received packets as usual, disable ARP mirroring and don't send a
2449 	 * copy of all transmitted/received frames on this port to the CPU.
2450 	 */
2451 	err = mv88e6xxx_port_set_map_da(chip, port);
2452 	if (err)
2453 		return err;
2454 
2455 	err = mv88e6xxx_setup_upstream_port(chip, port);
2456 	if (err)
2457 		return err;
2458 
2459 	err = mv88e6xxx_port_set_8021q_mode(chip, port,
2460 				MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED);
2461 	if (err)
2462 		return err;
2463 
2464 	if (chip->info->ops->port_set_jumbo_size) {
2465 		err = chip->info->ops->port_set_jumbo_size(chip, port, 10240);
2466 		if (err)
2467 			return err;
2468 	}
2469 
2470 	/* Port Association Vector: when learning source addresses
2471 	 * of packets, add the address to the address database using
2472 	 * a port bitmap that has only the bit for this port set and
2473 	 * the other bits clear.
2474 	 */
2475 	reg = 1 << port;
2476 	/* Disable learning for CPU port */
2477 	if (dsa_is_cpu_port(ds, port))
2478 		reg = 0;
2479 
2480 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
2481 				   reg);
2482 	if (err)
2483 		return err;
2484 
2485 	/* Egress rate control 2: disable egress rate control. */
2486 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL2,
2487 				   0x0000);
2488 	if (err)
2489 		return err;
2490 
2491 	if (chip->info->ops->port_pause_limit) {
2492 		err = chip->info->ops->port_pause_limit(chip, port, 0, 0);
2493 		if (err)
2494 			return err;
2495 	}
2496 
2497 	if (chip->info->ops->port_disable_learn_limit) {
2498 		err = chip->info->ops->port_disable_learn_limit(chip, port);
2499 		if (err)
2500 			return err;
2501 	}
2502 
2503 	if (chip->info->ops->port_disable_pri_override) {
2504 		err = chip->info->ops->port_disable_pri_override(chip, port);
2505 		if (err)
2506 			return err;
2507 	}
2508 
2509 	if (chip->info->ops->port_tag_remap) {
2510 		err = chip->info->ops->port_tag_remap(chip, port);
2511 		if (err)
2512 			return err;
2513 	}
2514 
2515 	if (chip->info->ops->port_egress_rate_limiting) {
2516 		err = chip->info->ops->port_egress_rate_limiting(chip, port);
2517 		if (err)
2518 			return err;
2519 	}
2520 
2521 	if (chip->info->ops->port_setup_message_port) {
2522 		err = chip->info->ops->port_setup_message_port(chip, port);
2523 		if (err)
2524 			return err;
2525 	}
2526 
2527 	/* Port based VLAN map: give each port the same default address
2528 	 * database, and allow bidirectional communication between the
2529 	 * CPU and DSA port(s), and the other ports.
2530 	 */
2531 	err = mv88e6xxx_port_set_fid(chip, port, 0);
2532 	if (err)
2533 		return err;
2534 
2535 	err = mv88e6xxx_port_vlan_map(chip, port);
2536 	if (err)
2537 		return err;
2538 
2539 	/* Default VLAN ID and priority: don't set a default VLAN
2540 	 * ID, and set the default packet priority to zero.
2541 	 */
2542 	return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN, 0);
2543 }
2544 
mv88e6xxx_port_enable(struct dsa_switch * ds,int port,struct phy_device * phydev)2545 static int mv88e6xxx_port_enable(struct dsa_switch *ds, int port,
2546 				 struct phy_device *phydev)
2547 {
2548 	struct mv88e6xxx_chip *chip = ds->priv;
2549 	int err;
2550 
2551 	mv88e6xxx_reg_lock(chip);
2552 	err = mv88e6xxx_serdes_power(chip, port, true);
2553 	mv88e6xxx_reg_unlock(chip);
2554 
2555 	return err;
2556 }
2557 
mv88e6xxx_port_disable(struct dsa_switch * ds,int port)2558 static void mv88e6xxx_port_disable(struct dsa_switch *ds, int port)
2559 {
2560 	struct mv88e6xxx_chip *chip = ds->priv;
2561 
2562 	mv88e6xxx_reg_lock(chip);
2563 	if (mv88e6xxx_serdes_power(chip, port, false))
2564 		dev_err(chip->dev, "failed to power off SERDES\n");
2565 	mv88e6xxx_reg_unlock(chip);
2566 }
2567 
mv88e6xxx_set_ageing_time(struct dsa_switch * ds,unsigned int ageing_time)2568 static int mv88e6xxx_set_ageing_time(struct dsa_switch *ds,
2569 				     unsigned int ageing_time)
2570 {
2571 	struct mv88e6xxx_chip *chip = ds->priv;
2572 	int err;
2573 
2574 	mv88e6xxx_reg_lock(chip);
2575 	err = mv88e6xxx_g1_atu_set_age_time(chip, ageing_time);
2576 	mv88e6xxx_reg_unlock(chip);
2577 
2578 	return err;
2579 }
2580 
mv88e6xxx_stats_setup(struct mv88e6xxx_chip * chip)2581 static int mv88e6xxx_stats_setup(struct mv88e6xxx_chip *chip)
2582 {
2583 	int err;
2584 
2585 	/* Initialize the statistics unit */
2586 	if (chip->info->ops->stats_set_histogram) {
2587 		err = chip->info->ops->stats_set_histogram(chip);
2588 		if (err)
2589 			return err;
2590 	}
2591 
2592 	return mv88e6xxx_g1_stats_clear(chip);
2593 }
2594 
2595 /* Check if the errata has already been applied. */
mv88e6390_setup_errata_applied(struct mv88e6xxx_chip * chip)2596 static bool mv88e6390_setup_errata_applied(struct mv88e6xxx_chip *chip)
2597 {
2598 	int port;
2599 	int err;
2600 	u16 val;
2601 
2602 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
2603 		err = mv88e6xxx_port_hidden_read(chip, 0xf, port, 0, &val);
2604 		if (err) {
2605 			dev_err(chip->dev,
2606 				"Error reading hidden register: %d\n", err);
2607 			return false;
2608 		}
2609 		if (val != 0x01c0)
2610 			return false;
2611 	}
2612 
2613 	return true;
2614 }
2615 
2616 /* The 6390 copper ports have an errata which require poking magic
2617  * values into undocumented hidden registers and then performing a
2618  * software reset.
2619  */
mv88e6390_setup_errata(struct mv88e6xxx_chip * chip)2620 static int mv88e6390_setup_errata(struct mv88e6xxx_chip *chip)
2621 {
2622 	int port;
2623 	int err;
2624 
2625 	if (mv88e6390_setup_errata_applied(chip))
2626 		return 0;
2627 
2628 	/* Set the ports into blocking mode */
2629 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
2630 		err = mv88e6xxx_port_set_state(chip, port, BR_STATE_DISABLED);
2631 		if (err)
2632 			return err;
2633 	}
2634 
2635 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
2636 		err = mv88e6xxx_port_hidden_write(chip, 0xf, port, 0, 0x01c0);
2637 		if (err)
2638 			return err;
2639 	}
2640 
2641 	return mv88e6xxx_software_reset(chip);
2642 }
2643 
mv88e6xxx_setup(struct dsa_switch * ds)2644 static int mv88e6xxx_setup(struct dsa_switch *ds)
2645 {
2646 	struct mv88e6xxx_chip *chip = ds->priv;
2647 	u8 cmode;
2648 	int err;
2649 	int i;
2650 
2651 	chip->ds = ds;
2652 	ds->slave_mii_bus = mv88e6xxx_default_mdio_bus(chip);
2653 
2654 	mv88e6xxx_reg_lock(chip);
2655 
2656 	if (chip->info->ops->setup_errata) {
2657 		err = chip->info->ops->setup_errata(chip);
2658 		if (err)
2659 			goto unlock;
2660 	}
2661 
2662 	/* Cache the cmode of each port. */
2663 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
2664 		if (chip->info->ops->port_get_cmode) {
2665 			err = chip->info->ops->port_get_cmode(chip, i, &cmode);
2666 			if (err)
2667 				goto unlock;
2668 
2669 			chip->ports[i].cmode = cmode;
2670 		}
2671 	}
2672 
2673 	/* Setup Switch Port Registers */
2674 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
2675 		if (dsa_is_unused_port(ds, i))
2676 			continue;
2677 
2678 		/* Prevent the use of an invalid port. */
2679 		if (mv88e6xxx_is_invalid_port(chip, i)) {
2680 			dev_err(chip->dev, "port %d is invalid\n", i);
2681 			err = -EINVAL;
2682 			goto unlock;
2683 		}
2684 
2685 		err = mv88e6xxx_setup_port(chip, i);
2686 		if (err)
2687 			goto unlock;
2688 	}
2689 
2690 	err = mv88e6xxx_irl_setup(chip);
2691 	if (err)
2692 		goto unlock;
2693 
2694 	err = mv88e6xxx_mac_setup(chip);
2695 	if (err)
2696 		goto unlock;
2697 
2698 	err = mv88e6xxx_phy_setup(chip);
2699 	if (err)
2700 		goto unlock;
2701 
2702 	err = mv88e6xxx_vtu_setup(chip);
2703 	if (err)
2704 		goto unlock;
2705 
2706 	err = mv88e6xxx_pvt_setup(chip);
2707 	if (err)
2708 		goto unlock;
2709 
2710 	err = mv88e6xxx_atu_setup(chip);
2711 	if (err)
2712 		goto unlock;
2713 
2714 	err = mv88e6xxx_broadcast_setup(chip, 0);
2715 	if (err)
2716 		goto unlock;
2717 
2718 	err = mv88e6xxx_pot_setup(chip);
2719 	if (err)
2720 		goto unlock;
2721 
2722 	err = mv88e6xxx_rmu_setup(chip);
2723 	if (err)
2724 		goto unlock;
2725 
2726 	err = mv88e6xxx_rsvd2cpu_setup(chip);
2727 	if (err)
2728 		goto unlock;
2729 
2730 	err = mv88e6xxx_trunk_setup(chip);
2731 	if (err)
2732 		goto unlock;
2733 
2734 	err = mv88e6xxx_devmap_setup(chip);
2735 	if (err)
2736 		goto unlock;
2737 
2738 	err = mv88e6xxx_pri_setup(chip);
2739 	if (err)
2740 		goto unlock;
2741 
2742 	/* Setup PTP Hardware Clock and timestamping */
2743 	if (chip->info->ptp_support) {
2744 		err = mv88e6xxx_ptp_setup(chip);
2745 		if (err)
2746 			goto unlock;
2747 
2748 		err = mv88e6xxx_hwtstamp_setup(chip);
2749 		if (err)
2750 			goto unlock;
2751 	}
2752 
2753 	err = mv88e6xxx_stats_setup(chip);
2754 	if (err)
2755 		goto unlock;
2756 
2757 unlock:
2758 	mv88e6xxx_reg_unlock(chip);
2759 
2760 	return err;
2761 }
2762 
mv88e6xxx_mdio_read(struct mii_bus * bus,int phy,int reg)2763 static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
2764 {
2765 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
2766 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
2767 	u16 val;
2768 	int err;
2769 
2770 	if (!chip->info->ops->phy_read)
2771 		return -EOPNOTSUPP;
2772 
2773 	mv88e6xxx_reg_lock(chip);
2774 	err = chip->info->ops->phy_read(chip, bus, phy, reg, &val);
2775 	mv88e6xxx_reg_unlock(chip);
2776 
2777 	if (reg == MII_PHYSID2) {
2778 		/* Some internal PHYs don't have a model number. */
2779 		if (chip->info->family != MV88E6XXX_FAMILY_6165)
2780 			/* Then there is the 6165 family. It gets is
2781 			 * PHYs correct. But it can also have two
2782 			 * SERDES interfaces in the PHY address
2783 			 * space. And these don't have a model
2784 			 * number. But they are not PHYs, so we don't
2785 			 * want to give them something a PHY driver
2786 			 * will recognise.
2787 			 *
2788 			 * Use the mv88e6390 family model number
2789 			 * instead, for anything which really could be
2790 			 * a PHY,
2791 			 */
2792 			if (!(val & 0x3f0))
2793 				val |= MV88E6XXX_PORT_SWITCH_ID_PROD_6390 >> 4;
2794 	}
2795 
2796 	return err ? err : val;
2797 }
2798 
mv88e6xxx_mdio_write(struct mii_bus * bus,int phy,int reg,u16 val)2799 static int mv88e6xxx_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val)
2800 {
2801 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
2802 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
2803 	int err;
2804 
2805 	if (!chip->info->ops->phy_write)
2806 		return -EOPNOTSUPP;
2807 
2808 	mv88e6xxx_reg_lock(chip);
2809 	err = chip->info->ops->phy_write(chip, bus, phy, reg, val);
2810 	mv88e6xxx_reg_unlock(chip);
2811 
2812 	return err;
2813 }
2814 
mv88e6xxx_mdio_register(struct mv88e6xxx_chip * chip,struct device_node * np,bool external)2815 static int mv88e6xxx_mdio_register(struct mv88e6xxx_chip *chip,
2816 				   struct device_node *np,
2817 				   bool external)
2818 {
2819 	static int index;
2820 	struct mv88e6xxx_mdio_bus *mdio_bus;
2821 	struct mii_bus *bus;
2822 	int err;
2823 
2824 	if (external) {
2825 		mv88e6xxx_reg_lock(chip);
2826 		err = mv88e6xxx_g2_scratch_gpio_set_smi(chip, true);
2827 		mv88e6xxx_reg_unlock(chip);
2828 
2829 		if (err)
2830 			return err;
2831 	}
2832 
2833 	bus = devm_mdiobus_alloc_size(chip->dev, sizeof(*mdio_bus));
2834 	if (!bus)
2835 		return -ENOMEM;
2836 
2837 	mdio_bus = bus->priv;
2838 	mdio_bus->bus = bus;
2839 	mdio_bus->chip = chip;
2840 	INIT_LIST_HEAD(&mdio_bus->list);
2841 	mdio_bus->external = external;
2842 
2843 	if (np) {
2844 		bus->name = np->full_name;
2845 		snprintf(bus->id, MII_BUS_ID_SIZE, "%pOF", np);
2846 	} else {
2847 		bus->name = "mv88e6xxx SMI";
2848 		snprintf(bus->id, MII_BUS_ID_SIZE, "mv88e6xxx-%d", index++);
2849 	}
2850 
2851 	bus->read = mv88e6xxx_mdio_read;
2852 	bus->write = mv88e6xxx_mdio_write;
2853 	bus->parent = chip->dev;
2854 
2855 	if (!external) {
2856 		err = mv88e6xxx_g2_irq_mdio_setup(chip, bus);
2857 		if (err)
2858 			return err;
2859 	}
2860 
2861 	err = of_mdiobus_register(bus, np);
2862 	if (err) {
2863 		dev_err(chip->dev, "Cannot register MDIO bus (%d)\n", err);
2864 		mv88e6xxx_g2_irq_mdio_free(chip, bus);
2865 		return err;
2866 	}
2867 
2868 	if (external)
2869 		list_add_tail(&mdio_bus->list, &chip->mdios);
2870 	else
2871 		list_add(&mdio_bus->list, &chip->mdios);
2872 
2873 	return 0;
2874 }
2875 
2876 static const struct of_device_id mv88e6xxx_mdio_external_match[] = {
2877 	{ .compatible = "marvell,mv88e6xxx-mdio-external",
2878 	  .data = (void *)true },
2879 	{ },
2880 };
2881 
mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip * chip)2882 static void mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip *chip)
2883 
2884 {
2885 	struct mv88e6xxx_mdio_bus *mdio_bus;
2886 	struct mii_bus *bus;
2887 
2888 	list_for_each_entry(mdio_bus, &chip->mdios, list) {
2889 		bus = mdio_bus->bus;
2890 
2891 		if (!mdio_bus->external)
2892 			mv88e6xxx_g2_irq_mdio_free(chip, bus);
2893 
2894 		mdiobus_unregister(bus);
2895 	}
2896 }
2897 
mv88e6xxx_mdios_register(struct mv88e6xxx_chip * chip,struct device_node * np)2898 static int mv88e6xxx_mdios_register(struct mv88e6xxx_chip *chip,
2899 				    struct device_node *np)
2900 {
2901 	const struct of_device_id *match;
2902 	struct device_node *child;
2903 	int err;
2904 
2905 	/* Always register one mdio bus for the internal/default mdio
2906 	 * bus. This maybe represented in the device tree, but is
2907 	 * optional.
2908 	 */
2909 	child = of_get_child_by_name(np, "mdio");
2910 	err = mv88e6xxx_mdio_register(chip, child, false);
2911 	if (err)
2912 		return err;
2913 
2914 	/* Walk the device tree, and see if there are any other nodes
2915 	 * which say they are compatible with the external mdio
2916 	 * bus.
2917 	 */
2918 	for_each_available_child_of_node(np, child) {
2919 		match = of_match_node(mv88e6xxx_mdio_external_match, child);
2920 		if (match) {
2921 			err = mv88e6xxx_mdio_register(chip, child, true);
2922 			if (err) {
2923 				mv88e6xxx_mdios_unregister(chip);
2924 				of_node_put(child);
2925 				return err;
2926 			}
2927 		}
2928 	}
2929 
2930 	return 0;
2931 }
2932 
mv88e6xxx_get_eeprom_len(struct dsa_switch * ds)2933 static int mv88e6xxx_get_eeprom_len(struct dsa_switch *ds)
2934 {
2935 	struct mv88e6xxx_chip *chip = ds->priv;
2936 
2937 	return chip->eeprom_len;
2938 }
2939 
mv88e6xxx_get_eeprom(struct dsa_switch * ds,struct ethtool_eeprom * eeprom,u8 * data)2940 static int mv88e6xxx_get_eeprom(struct dsa_switch *ds,
2941 				struct ethtool_eeprom *eeprom, u8 *data)
2942 {
2943 	struct mv88e6xxx_chip *chip = ds->priv;
2944 	int err;
2945 
2946 	if (!chip->info->ops->get_eeprom)
2947 		return -EOPNOTSUPP;
2948 
2949 	mv88e6xxx_reg_lock(chip);
2950 	err = chip->info->ops->get_eeprom(chip, eeprom, data);
2951 	mv88e6xxx_reg_unlock(chip);
2952 
2953 	if (err)
2954 		return err;
2955 
2956 	eeprom->magic = 0xc3ec4951;
2957 
2958 	return 0;
2959 }
2960 
mv88e6xxx_set_eeprom(struct dsa_switch * ds,struct ethtool_eeprom * eeprom,u8 * data)2961 static int mv88e6xxx_set_eeprom(struct dsa_switch *ds,
2962 				struct ethtool_eeprom *eeprom, u8 *data)
2963 {
2964 	struct mv88e6xxx_chip *chip = ds->priv;
2965 	int err;
2966 
2967 	if (!chip->info->ops->set_eeprom)
2968 		return -EOPNOTSUPP;
2969 
2970 	if (eeprom->magic != 0xc3ec4951)
2971 		return -EINVAL;
2972 
2973 	mv88e6xxx_reg_lock(chip);
2974 	err = chip->info->ops->set_eeprom(chip, eeprom, data);
2975 	mv88e6xxx_reg_unlock(chip);
2976 
2977 	return err;
2978 }
2979 
2980 static const struct mv88e6xxx_ops mv88e6085_ops = {
2981 	/* MV88E6XXX_FAMILY_6097 */
2982 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
2983 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
2984 	.irl_init_all = mv88e6352_g2_irl_init_all,
2985 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
2986 	.phy_read = mv88e6185_phy_ppu_read,
2987 	.phy_write = mv88e6185_phy_ppu_write,
2988 	.port_set_link = mv88e6xxx_port_set_link,
2989 	.port_set_duplex = mv88e6xxx_port_set_duplex,
2990 	.port_set_speed = mv88e6185_port_set_speed,
2991 	.port_tag_remap = mv88e6095_port_tag_remap,
2992 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
2993 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
2994 	.port_set_ether_type = mv88e6351_port_set_ether_type,
2995 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
2996 	.port_pause_limit = mv88e6097_port_pause_limit,
2997 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
2998 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
2999 	.port_link_state = mv88e6352_port_link_state,
3000 	.port_get_cmode = mv88e6185_port_get_cmode,
3001 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3002 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3003 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3004 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3005 	.stats_get_strings = mv88e6095_stats_get_strings,
3006 	.stats_get_stats = mv88e6095_stats_get_stats,
3007 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3008 	.set_egress_port = mv88e6095_g1_set_egress_port,
3009 	.watchdog_ops = &mv88e6097_watchdog_ops,
3010 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3011 	.pot_clear = mv88e6xxx_g2_pot_clear,
3012 	.ppu_enable = mv88e6185_g1_ppu_enable,
3013 	.ppu_disable = mv88e6185_g1_ppu_disable,
3014 	.reset = mv88e6185_g1_reset,
3015 	.rmu_disable = mv88e6085_g1_rmu_disable,
3016 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3017 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3018 	.phylink_validate = mv88e6185_phylink_validate,
3019 };
3020 
3021 static const struct mv88e6xxx_ops mv88e6095_ops = {
3022 	/* MV88E6XXX_FAMILY_6095 */
3023 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3024 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3025 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
3026 	.phy_read = mv88e6185_phy_ppu_read,
3027 	.phy_write = mv88e6185_phy_ppu_write,
3028 	.port_set_link = mv88e6xxx_port_set_link,
3029 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3030 	.port_set_speed = mv88e6185_port_set_speed,
3031 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
3032 	.port_set_egress_floods = mv88e6185_port_set_egress_floods,
3033 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
3034 	.port_link_state = mv88e6185_port_link_state,
3035 	.port_get_cmode = mv88e6185_port_get_cmode,
3036 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3037 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3038 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3039 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3040 	.stats_get_strings = mv88e6095_stats_get_strings,
3041 	.stats_get_stats = mv88e6095_stats_get_stats,
3042 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
3043 	.ppu_enable = mv88e6185_g1_ppu_enable,
3044 	.ppu_disable = mv88e6185_g1_ppu_disable,
3045 	.reset = mv88e6185_g1_reset,
3046 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3047 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3048 	.phylink_validate = mv88e6185_phylink_validate,
3049 };
3050 
3051 static const struct mv88e6xxx_ops mv88e6097_ops = {
3052 	/* MV88E6XXX_FAMILY_6097 */
3053 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3054 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3055 	.irl_init_all = mv88e6352_g2_irl_init_all,
3056 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3057 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3058 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3059 	.port_set_link = mv88e6xxx_port_set_link,
3060 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3061 	.port_set_speed = mv88e6185_port_set_speed,
3062 	.port_tag_remap = mv88e6095_port_tag_remap,
3063 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3064 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3065 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3066 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3067 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
3068 	.port_pause_limit = mv88e6097_port_pause_limit,
3069 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3070 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3071 	.port_link_state = mv88e6352_port_link_state,
3072 	.port_get_cmode = mv88e6185_port_get_cmode,
3073 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3074 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3075 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3076 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3077 	.stats_get_strings = mv88e6095_stats_get_strings,
3078 	.stats_get_stats = mv88e6095_stats_get_stats,
3079 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3080 	.set_egress_port = mv88e6095_g1_set_egress_port,
3081 	.watchdog_ops = &mv88e6097_watchdog_ops,
3082 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3083 	.pot_clear = mv88e6xxx_g2_pot_clear,
3084 	.reset = mv88e6352_g1_reset,
3085 	.rmu_disable = mv88e6085_g1_rmu_disable,
3086 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3087 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3088 	.phylink_validate = mv88e6185_phylink_validate,
3089 };
3090 
3091 static const struct mv88e6xxx_ops mv88e6123_ops = {
3092 	/* MV88E6XXX_FAMILY_6165 */
3093 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3094 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3095 	.irl_init_all = mv88e6352_g2_irl_init_all,
3096 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3097 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3098 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3099 	.port_set_link = mv88e6xxx_port_set_link,
3100 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3101 	.port_set_speed = mv88e6185_port_set_speed,
3102 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
3103 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3104 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3105 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3106 	.port_link_state = mv88e6352_port_link_state,
3107 	.port_get_cmode = mv88e6185_port_get_cmode,
3108 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3109 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3110 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3111 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3112 	.stats_get_strings = mv88e6095_stats_get_strings,
3113 	.stats_get_stats = mv88e6095_stats_get_stats,
3114 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3115 	.set_egress_port = mv88e6095_g1_set_egress_port,
3116 	.watchdog_ops = &mv88e6097_watchdog_ops,
3117 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3118 	.pot_clear = mv88e6xxx_g2_pot_clear,
3119 	.reset = mv88e6352_g1_reset,
3120 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3121 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3122 	.phylink_validate = mv88e6185_phylink_validate,
3123 };
3124 
3125 static const struct mv88e6xxx_ops mv88e6131_ops = {
3126 	/* MV88E6XXX_FAMILY_6185 */
3127 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3128 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3129 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
3130 	.phy_read = mv88e6185_phy_ppu_read,
3131 	.phy_write = mv88e6185_phy_ppu_write,
3132 	.port_set_link = mv88e6xxx_port_set_link,
3133 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3134 	.port_set_speed = mv88e6185_port_set_speed,
3135 	.port_tag_remap = mv88e6095_port_tag_remap,
3136 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3137 	.port_set_egress_floods = mv88e6185_port_set_egress_floods,
3138 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3139 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
3140 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3141 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3142 	.port_pause_limit = mv88e6097_port_pause_limit,
3143 	.port_set_pause = mv88e6185_port_set_pause,
3144 	.port_link_state = mv88e6352_port_link_state,
3145 	.port_get_cmode = mv88e6185_port_get_cmode,
3146 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3147 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3148 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3149 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3150 	.stats_get_strings = mv88e6095_stats_get_strings,
3151 	.stats_get_stats = mv88e6095_stats_get_stats,
3152 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3153 	.set_egress_port = mv88e6095_g1_set_egress_port,
3154 	.watchdog_ops = &mv88e6097_watchdog_ops,
3155 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
3156 	.ppu_enable = mv88e6185_g1_ppu_enable,
3157 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
3158 	.ppu_disable = mv88e6185_g1_ppu_disable,
3159 	.reset = mv88e6185_g1_reset,
3160 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3161 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3162 	.phylink_validate = mv88e6185_phylink_validate,
3163 };
3164 
3165 static const struct mv88e6xxx_ops mv88e6141_ops = {
3166 	/* MV88E6XXX_FAMILY_6341 */
3167 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3168 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3169 	.irl_init_all = mv88e6352_g2_irl_init_all,
3170 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3171 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3172 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3173 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3174 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3175 	.port_set_link = mv88e6xxx_port_set_link,
3176 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3177 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3178 	.port_set_speed = mv88e6341_port_set_speed,
3179 	.port_max_speed_mode = mv88e6341_port_max_speed_mode,
3180 	.port_tag_remap = mv88e6095_port_tag_remap,
3181 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3182 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3183 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3184 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3185 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3186 	.port_pause_limit = mv88e6097_port_pause_limit,
3187 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3188 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3189 	.port_link_state = mv88e6352_port_link_state,
3190 	.port_get_cmode = mv88e6352_port_get_cmode,
3191 	.port_set_cmode = mv88e6341_port_set_cmode,
3192 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3193 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3194 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3195 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3196 	.stats_get_strings = mv88e6320_stats_get_strings,
3197 	.stats_get_stats = mv88e6390_stats_get_stats,
3198 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3199 	.set_egress_port = mv88e6390_g1_set_egress_port,
3200 	.watchdog_ops = &mv88e6390_watchdog_ops,
3201 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
3202 	.pot_clear = mv88e6xxx_g2_pot_clear,
3203 	.reset = mv88e6352_g1_reset,
3204 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3205 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3206 	.serdes_power = mv88e6390_serdes_power,
3207 	.serdes_get_lane = mv88e6341_serdes_get_lane,
3208 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
3209 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
3210 	.serdes_irq_status = mv88e6390_serdes_irq_status,
3211 	.gpio_ops = &mv88e6352_gpio_ops,
3212 	.phylink_validate = mv88e6341_phylink_validate,
3213 };
3214 
3215 static const struct mv88e6xxx_ops mv88e6161_ops = {
3216 	/* MV88E6XXX_FAMILY_6165 */
3217 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3218 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3219 	.irl_init_all = mv88e6352_g2_irl_init_all,
3220 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3221 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3222 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3223 	.port_set_link = mv88e6xxx_port_set_link,
3224 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3225 	.port_set_speed = mv88e6185_port_set_speed,
3226 	.port_tag_remap = mv88e6095_port_tag_remap,
3227 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3228 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3229 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3230 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3231 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3232 	.port_pause_limit = mv88e6097_port_pause_limit,
3233 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3234 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3235 	.port_link_state = mv88e6352_port_link_state,
3236 	.port_get_cmode = mv88e6185_port_get_cmode,
3237 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3238 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3239 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3240 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3241 	.stats_get_strings = mv88e6095_stats_get_strings,
3242 	.stats_get_stats = mv88e6095_stats_get_stats,
3243 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3244 	.set_egress_port = mv88e6095_g1_set_egress_port,
3245 	.watchdog_ops = &mv88e6097_watchdog_ops,
3246 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3247 	.pot_clear = mv88e6xxx_g2_pot_clear,
3248 	.reset = mv88e6352_g1_reset,
3249 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3250 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3251 	.avb_ops = &mv88e6165_avb_ops,
3252 	.ptp_ops = &mv88e6165_ptp_ops,
3253 	.phylink_validate = mv88e6185_phylink_validate,
3254 };
3255 
3256 static const struct mv88e6xxx_ops mv88e6165_ops = {
3257 	/* MV88E6XXX_FAMILY_6165 */
3258 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3259 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3260 	.irl_init_all = mv88e6352_g2_irl_init_all,
3261 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3262 	.phy_read = mv88e6165_phy_read,
3263 	.phy_write = mv88e6165_phy_write,
3264 	.port_set_link = mv88e6xxx_port_set_link,
3265 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3266 	.port_set_speed = mv88e6185_port_set_speed,
3267 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3268 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3269 	.port_link_state = mv88e6352_port_link_state,
3270 	.port_get_cmode = mv88e6185_port_get_cmode,
3271 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3272 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3273 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3274 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3275 	.stats_get_strings = mv88e6095_stats_get_strings,
3276 	.stats_get_stats = mv88e6095_stats_get_stats,
3277 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3278 	.set_egress_port = mv88e6095_g1_set_egress_port,
3279 	.watchdog_ops = &mv88e6097_watchdog_ops,
3280 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3281 	.pot_clear = mv88e6xxx_g2_pot_clear,
3282 	.reset = mv88e6352_g1_reset,
3283 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3284 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3285 	.avb_ops = &mv88e6165_avb_ops,
3286 	.ptp_ops = &mv88e6165_ptp_ops,
3287 	.phylink_validate = mv88e6185_phylink_validate,
3288 };
3289 
3290 static const struct mv88e6xxx_ops mv88e6171_ops = {
3291 	/* MV88E6XXX_FAMILY_6351 */
3292 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3293 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3294 	.irl_init_all = mv88e6352_g2_irl_init_all,
3295 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3296 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3297 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3298 	.port_set_link = mv88e6xxx_port_set_link,
3299 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3300 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3301 	.port_set_speed = mv88e6185_port_set_speed,
3302 	.port_tag_remap = mv88e6095_port_tag_remap,
3303 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3304 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3305 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3306 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3307 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3308 	.port_pause_limit = mv88e6097_port_pause_limit,
3309 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3310 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3311 	.port_link_state = mv88e6352_port_link_state,
3312 	.port_get_cmode = mv88e6352_port_get_cmode,
3313 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3314 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3315 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3316 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3317 	.stats_get_strings = mv88e6095_stats_get_strings,
3318 	.stats_get_stats = mv88e6095_stats_get_stats,
3319 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3320 	.set_egress_port = mv88e6095_g1_set_egress_port,
3321 	.watchdog_ops = &mv88e6097_watchdog_ops,
3322 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3323 	.pot_clear = mv88e6xxx_g2_pot_clear,
3324 	.reset = mv88e6352_g1_reset,
3325 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3326 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3327 	.phylink_validate = mv88e6185_phylink_validate,
3328 };
3329 
3330 static const struct mv88e6xxx_ops mv88e6172_ops = {
3331 	/* MV88E6XXX_FAMILY_6352 */
3332 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3333 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3334 	.irl_init_all = mv88e6352_g2_irl_init_all,
3335 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3336 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3337 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3338 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3339 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3340 	.port_set_link = mv88e6xxx_port_set_link,
3341 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3342 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3343 	.port_set_speed = mv88e6352_port_set_speed,
3344 	.port_tag_remap = mv88e6095_port_tag_remap,
3345 	.port_set_policy = mv88e6352_port_set_policy,
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 	.port_link_state = mv88e6352_port_link_state,
3355 	.port_get_cmode = mv88e6352_port_get_cmode,
3356 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3357 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3358 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3359 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3360 	.stats_get_strings = mv88e6095_stats_get_strings,
3361 	.stats_get_stats = mv88e6095_stats_get_stats,
3362 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3363 	.set_egress_port = mv88e6095_g1_set_egress_port,
3364 	.watchdog_ops = &mv88e6097_watchdog_ops,
3365 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3366 	.pot_clear = mv88e6xxx_g2_pot_clear,
3367 	.reset = mv88e6352_g1_reset,
3368 	.rmu_disable = mv88e6352_g1_rmu_disable,
3369 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3370 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3371 	.serdes_get_lane = mv88e6352_serdes_get_lane,
3372 	.serdes_power = mv88e6352_serdes_power,
3373 	.gpio_ops = &mv88e6352_gpio_ops,
3374 	.phylink_validate = mv88e6352_phylink_validate,
3375 };
3376 
3377 static const struct mv88e6xxx_ops mv88e6175_ops = {
3378 	/* MV88E6XXX_FAMILY_6351 */
3379 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3380 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3381 	.irl_init_all = mv88e6352_g2_irl_init_all,
3382 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3383 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3384 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3385 	.port_set_link = mv88e6xxx_port_set_link,
3386 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3387 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3388 	.port_set_speed = mv88e6185_port_set_speed,
3389 	.port_tag_remap = mv88e6095_port_tag_remap,
3390 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3391 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3392 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3393 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3394 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3395 	.port_pause_limit = mv88e6097_port_pause_limit,
3396 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3397 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3398 	.port_link_state = mv88e6352_port_link_state,
3399 	.port_get_cmode = mv88e6352_port_get_cmode,
3400 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3401 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3402 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3403 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3404 	.stats_get_strings = mv88e6095_stats_get_strings,
3405 	.stats_get_stats = mv88e6095_stats_get_stats,
3406 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3407 	.set_egress_port = mv88e6095_g1_set_egress_port,
3408 	.watchdog_ops = &mv88e6097_watchdog_ops,
3409 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3410 	.pot_clear = mv88e6xxx_g2_pot_clear,
3411 	.reset = mv88e6352_g1_reset,
3412 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3413 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3414 	.phylink_validate = mv88e6185_phylink_validate,
3415 };
3416 
3417 static const struct mv88e6xxx_ops mv88e6176_ops = {
3418 	/* MV88E6XXX_FAMILY_6352 */
3419 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3420 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3421 	.irl_init_all = mv88e6352_g2_irl_init_all,
3422 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3423 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3424 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3425 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3426 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3427 	.port_set_link = mv88e6xxx_port_set_link,
3428 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3429 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3430 	.port_set_speed = mv88e6352_port_set_speed,
3431 	.port_tag_remap = mv88e6095_port_tag_remap,
3432 	.port_set_policy = mv88e6352_port_set_policy,
3433 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3434 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3435 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3436 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3437 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3438 	.port_pause_limit = mv88e6097_port_pause_limit,
3439 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3440 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3441 	.port_link_state = mv88e6352_port_link_state,
3442 	.port_get_cmode = mv88e6352_port_get_cmode,
3443 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3444 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3445 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3446 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3447 	.stats_get_strings = mv88e6095_stats_get_strings,
3448 	.stats_get_stats = mv88e6095_stats_get_stats,
3449 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3450 	.set_egress_port = mv88e6095_g1_set_egress_port,
3451 	.watchdog_ops = &mv88e6097_watchdog_ops,
3452 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3453 	.pot_clear = mv88e6xxx_g2_pot_clear,
3454 	.reset = mv88e6352_g1_reset,
3455 	.rmu_disable = mv88e6352_g1_rmu_disable,
3456 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3457 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3458 	.serdes_get_lane = mv88e6352_serdes_get_lane,
3459 	.serdes_power = mv88e6352_serdes_power,
3460 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
3461 	.serdes_irq_enable = mv88e6352_serdes_irq_enable,
3462 	.serdes_irq_status = mv88e6352_serdes_irq_status,
3463 	.gpio_ops = &mv88e6352_gpio_ops,
3464 	.phylink_validate = mv88e6352_phylink_validate,
3465 };
3466 
3467 static const struct mv88e6xxx_ops mv88e6185_ops = {
3468 	/* MV88E6XXX_FAMILY_6185 */
3469 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3470 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3471 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
3472 	.phy_read = mv88e6185_phy_ppu_read,
3473 	.phy_write = mv88e6185_phy_ppu_write,
3474 	.port_set_link = mv88e6xxx_port_set_link,
3475 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3476 	.port_set_speed = mv88e6185_port_set_speed,
3477 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
3478 	.port_set_egress_floods = mv88e6185_port_set_egress_floods,
3479 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
3480 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
3481 	.port_set_pause = mv88e6185_port_set_pause,
3482 	.port_link_state = mv88e6185_port_link_state,
3483 	.port_get_cmode = mv88e6185_port_get_cmode,
3484 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3485 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3486 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3487 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3488 	.stats_get_strings = mv88e6095_stats_get_strings,
3489 	.stats_get_stats = mv88e6095_stats_get_stats,
3490 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3491 	.set_egress_port = mv88e6095_g1_set_egress_port,
3492 	.watchdog_ops = &mv88e6097_watchdog_ops,
3493 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
3494 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
3495 	.ppu_enable = mv88e6185_g1_ppu_enable,
3496 	.ppu_disable = mv88e6185_g1_ppu_disable,
3497 	.reset = mv88e6185_g1_reset,
3498 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3499 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3500 	.phylink_validate = mv88e6185_phylink_validate,
3501 };
3502 
3503 static const struct mv88e6xxx_ops mv88e6190_ops = {
3504 	/* MV88E6XXX_FAMILY_6390 */
3505 	.setup_errata = mv88e6390_setup_errata,
3506 	.irl_init_all = mv88e6390_g2_irl_init_all,
3507 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3508 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3509 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3510 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3511 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3512 	.port_set_link = mv88e6xxx_port_set_link,
3513 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3514 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3515 	.port_set_speed = mv88e6390_port_set_speed,
3516 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
3517 	.port_tag_remap = mv88e6390_port_tag_remap,
3518 	.port_set_policy = mv88e6352_port_set_policy,
3519 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3520 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3521 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3522 	.port_pause_limit = mv88e6390_port_pause_limit,
3523 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3524 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3525 	.port_link_state = mv88e6352_port_link_state,
3526 	.port_get_cmode = mv88e6352_port_get_cmode,
3527 	.port_set_cmode = mv88e6390_port_set_cmode,
3528 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3529 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3530 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3531 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3532 	.stats_get_strings = mv88e6320_stats_get_strings,
3533 	.stats_get_stats = mv88e6390_stats_get_stats,
3534 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3535 	.set_egress_port = mv88e6390_g1_set_egress_port,
3536 	.watchdog_ops = &mv88e6390_watchdog_ops,
3537 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3538 	.pot_clear = mv88e6xxx_g2_pot_clear,
3539 	.reset = mv88e6352_g1_reset,
3540 	.rmu_disable = mv88e6390_g1_rmu_disable,
3541 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3542 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3543 	.serdes_power = mv88e6390_serdes_power,
3544 	.serdes_get_lane = mv88e6390_serdes_get_lane,
3545 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
3546 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
3547 	.serdes_irq_status = mv88e6390_serdes_irq_status,
3548 	.gpio_ops = &mv88e6352_gpio_ops,
3549 	.phylink_validate = mv88e6390_phylink_validate,
3550 };
3551 
3552 static const struct mv88e6xxx_ops mv88e6190x_ops = {
3553 	/* MV88E6XXX_FAMILY_6390 */
3554 	.setup_errata = mv88e6390_setup_errata,
3555 	.irl_init_all = mv88e6390_g2_irl_init_all,
3556 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3557 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3558 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3559 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3560 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3561 	.port_set_link = mv88e6xxx_port_set_link,
3562 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3563 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3564 	.port_set_speed = mv88e6390x_port_set_speed,
3565 	.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
3566 	.port_tag_remap = mv88e6390_port_tag_remap,
3567 	.port_set_policy = mv88e6352_port_set_policy,
3568 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3569 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3570 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3571 	.port_pause_limit = mv88e6390_port_pause_limit,
3572 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3573 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3574 	.port_link_state = mv88e6352_port_link_state,
3575 	.port_get_cmode = mv88e6352_port_get_cmode,
3576 	.port_set_cmode = mv88e6390x_port_set_cmode,
3577 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3578 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3579 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3580 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3581 	.stats_get_strings = mv88e6320_stats_get_strings,
3582 	.stats_get_stats = mv88e6390_stats_get_stats,
3583 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3584 	.set_egress_port = mv88e6390_g1_set_egress_port,
3585 	.watchdog_ops = &mv88e6390_watchdog_ops,
3586 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3587 	.pot_clear = mv88e6xxx_g2_pot_clear,
3588 	.reset = mv88e6352_g1_reset,
3589 	.rmu_disable = mv88e6390_g1_rmu_disable,
3590 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3591 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3592 	.serdes_power = mv88e6390_serdes_power,
3593 	.serdes_get_lane = mv88e6390x_serdes_get_lane,
3594 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
3595 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
3596 	.serdes_irq_status = mv88e6390_serdes_irq_status,
3597 	.gpio_ops = &mv88e6352_gpio_ops,
3598 	.phylink_validate = mv88e6390x_phylink_validate,
3599 };
3600 
3601 static const struct mv88e6xxx_ops mv88e6191_ops = {
3602 	/* MV88E6XXX_FAMILY_6390 */
3603 	.setup_errata = mv88e6390_setup_errata,
3604 	.irl_init_all = mv88e6390_g2_irl_init_all,
3605 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3606 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3607 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3608 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3609 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3610 	.port_set_link = mv88e6xxx_port_set_link,
3611 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3612 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3613 	.port_set_speed = mv88e6390_port_set_speed,
3614 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
3615 	.port_tag_remap = mv88e6390_port_tag_remap,
3616 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3617 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3618 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3619 	.port_pause_limit = mv88e6390_port_pause_limit,
3620 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3621 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3622 	.port_link_state = mv88e6352_port_link_state,
3623 	.port_get_cmode = mv88e6352_port_get_cmode,
3624 	.port_set_cmode = mv88e6390_port_set_cmode,
3625 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3626 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3627 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3628 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3629 	.stats_get_strings = mv88e6320_stats_get_strings,
3630 	.stats_get_stats = mv88e6390_stats_get_stats,
3631 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3632 	.set_egress_port = mv88e6390_g1_set_egress_port,
3633 	.watchdog_ops = &mv88e6390_watchdog_ops,
3634 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3635 	.pot_clear = mv88e6xxx_g2_pot_clear,
3636 	.reset = mv88e6352_g1_reset,
3637 	.rmu_disable = mv88e6390_g1_rmu_disable,
3638 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3639 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3640 	.serdes_power = mv88e6390_serdes_power,
3641 	.serdes_get_lane = mv88e6390_serdes_get_lane,
3642 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
3643 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
3644 	.serdes_irq_status = mv88e6390_serdes_irq_status,
3645 	.avb_ops = &mv88e6390_avb_ops,
3646 	.ptp_ops = &mv88e6352_ptp_ops,
3647 	.phylink_validate = mv88e6390_phylink_validate,
3648 };
3649 
3650 static const struct mv88e6xxx_ops mv88e6240_ops = {
3651 	/* MV88E6XXX_FAMILY_6352 */
3652 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3653 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3654 	.irl_init_all = mv88e6352_g2_irl_init_all,
3655 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3656 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3657 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3658 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3659 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3660 	.port_set_link = mv88e6xxx_port_set_link,
3661 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3662 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3663 	.port_set_speed = mv88e6352_port_set_speed,
3664 	.port_tag_remap = mv88e6095_port_tag_remap,
3665 	.port_set_policy = mv88e6352_port_set_policy,
3666 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3667 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3668 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3669 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3670 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3671 	.port_pause_limit = mv88e6097_port_pause_limit,
3672 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3673 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3674 	.port_link_state = mv88e6352_port_link_state,
3675 	.port_get_cmode = mv88e6352_port_get_cmode,
3676 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3677 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3678 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3679 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3680 	.stats_get_strings = mv88e6095_stats_get_strings,
3681 	.stats_get_stats = mv88e6095_stats_get_stats,
3682 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3683 	.set_egress_port = mv88e6095_g1_set_egress_port,
3684 	.watchdog_ops = &mv88e6097_watchdog_ops,
3685 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3686 	.pot_clear = mv88e6xxx_g2_pot_clear,
3687 	.reset = mv88e6352_g1_reset,
3688 	.rmu_disable = mv88e6352_g1_rmu_disable,
3689 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3690 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3691 	.serdes_get_lane = mv88e6352_serdes_get_lane,
3692 	.serdes_power = mv88e6352_serdes_power,
3693 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
3694 	.serdes_irq_enable = mv88e6352_serdes_irq_enable,
3695 	.serdes_irq_status = mv88e6352_serdes_irq_status,
3696 	.gpio_ops = &mv88e6352_gpio_ops,
3697 	.avb_ops = &mv88e6352_avb_ops,
3698 	.ptp_ops = &mv88e6352_ptp_ops,
3699 	.phylink_validate = mv88e6352_phylink_validate,
3700 };
3701 
3702 static const struct mv88e6xxx_ops mv88e6250_ops = {
3703 	/* MV88E6XXX_FAMILY_6250 */
3704 	.ieee_pri_map = mv88e6250_g1_ieee_pri_map,
3705 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3706 	.irl_init_all = mv88e6352_g2_irl_init_all,
3707 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3708 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3709 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3710 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3711 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3712 	.port_set_link = mv88e6xxx_port_set_link,
3713 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3714 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3715 	.port_set_speed = mv88e6250_port_set_speed,
3716 	.port_tag_remap = mv88e6095_port_tag_remap,
3717 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3718 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3719 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3720 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3721 	.port_pause_limit = mv88e6097_port_pause_limit,
3722 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3723 	.port_link_state = mv88e6250_port_link_state,
3724 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3725 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3726 	.stats_get_sset_count = mv88e6250_stats_get_sset_count,
3727 	.stats_get_strings = mv88e6250_stats_get_strings,
3728 	.stats_get_stats = mv88e6250_stats_get_stats,
3729 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3730 	.set_egress_port = mv88e6095_g1_set_egress_port,
3731 	.watchdog_ops = &mv88e6250_watchdog_ops,
3732 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3733 	.pot_clear = mv88e6xxx_g2_pot_clear,
3734 	.reset = mv88e6250_g1_reset,
3735 	.vtu_getnext = mv88e6250_g1_vtu_getnext,
3736 	.vtu_loadpurge = mv88e6250_g1_vtu_loadpurge,
3737 	.avb_ops = &mv88e6352_avb_ops,
3738 	.ptp_ops = &mv88e6250_ptp_ops,
3739 	.phylink_validate = mv88e6065_phylink_validate,
3740 };
3741 
3742 static const struct mv88e6xxx_ops mv88e6290_ops = {
3743 	/* MV88E6XXX_FAMILY_6390 */
3744 	.setup_errata = mv88e6390_setup_errata,
3745 	.irl_init_all = mv88e6390_g2_irl_init_all,
3746 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3747 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3748 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3749 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3750 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3751 	.port_set_link = mv88e6xxx_port_set_link,
3752 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3753 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3754 	.port_set_speed = mv88e6390_port_set_speed,
3755 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
3756 	.port_tag_remap = mv88e6390_port_tag_remap,
3757 	.port_set_policy = mv88e6352_port_set_policy,
3758 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3759 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3760 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3761 	.port_pause_limit = mv88e6390_port_pause_limit,
3762 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3763 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3764 	.port_link_state = mv88e6352_port_link_state,
3765 	.port_get_cmode = mv88e6352_port_get_cmode,
3766 	.port_set_cmode = mv88e6390_port_set_cmode,
3767 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3768 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3769 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3770 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3771 	.stats_get_strings = mv88e6320_stats_get_strings,
3772 	.stats_get_stats = mv88e6390_stats_get_stats,
3773 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3774 	.set_egress_port = mv88e6390_g1_set_egress_port,
3775 	.watchdog_ops = &mv88e6390_watchdog_ops,
3776 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
3777 	.pot_clear = mv88e6xxx_g2_pot_clear,
3778 	.reset = mv88e6352_g1_reset,
3779 	.rmu_disable = mv88e6390_g1_rmu_disable,
3780 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
3781 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
3782 	.serdes_power = mv88e6390_serdes_power,
3783 	.serdes_get_lane = mv88e6390_serdes_get_lane,
3784 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
3785 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
3786 	.serdes_irq_status = mv88e6390_serdes_irq_status,
3787 	.gpio_ops = &mv88e6352_gpio_ops,
3788 	.avb_ops = &mv88e6390_avb_ops,
3789 	.ptp_ops = &mv88e6352_ptp_ops,
3790 	.phylink_validate = mv88e6390_phylink_validate,
3791 };
3792 
3793 static const struct mv88e6xxx_ops mv88e6320_ops = {
3794 	/* MV88E6XXX_FAMILY_6320 */
3795 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3796 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3797 	.irl_init_all = mv88e6352_g2_irl_init_all,
3798 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3799 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3800 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3801 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3802 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3803 	.port_set_link = mv88e6xxx_port_set_link,
3804 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3805 	.port_set_speed = mv88e6185_port_set_speed,
3806 	.port_tag_remap = mv88e6095_port_tag_remap,
3807 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3808 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3809 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3810 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3811 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3812 	.port_pause_limit = mv88e6097_port_pause_limit,
3813 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3814 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3815 	.port_link_state = mv88e6352_port_link_state,
3816 	.port_get_cmode = mv88e6352_port_get_cmode,
3817 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3818 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3819 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3820 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3821 	.stats_get_strings = mv88e6320_stats_get_strings,
3822 	.stats_get_stats = mv88e6320_stats_get_stats,
3823 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3824 	.set_egress_port = mv88e6095_g1_set_egress_port,
3825 	.watchdog_ops = &mv88e6390_watchdog_ops,
3826 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3827 	.pot_clear = mv88e6xxx_g2_pot_clear,
3828 	.reset = mv88e6352_g1_reset,
3829 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3830 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3831 	.gpio_ops = &mv88e6352_gpio_ops,
3832 	.avb_ops = &mv88e6352_avb_ops,
3833 	.ptp_ops = &mv88e6352_ptp_ops,
3834 	.phylink_validate = mv88e6185_phylink_validate,
3835 };
3836 
3837 static const struct mv88e6xxx_ops mv88e6321_ops = {
3838 	/* MV88E6XXX_FAMILY_6320 */
3839 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3840 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3841 	.irl_init_all = mv88e6352_g2_irl_init_all,
3842 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3843 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3844 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3845 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3846 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3847 	.port_set_link = mv88e6xxx_port_set_link,
3848 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3849 	.port_set_speed = mv88e6185_port_set_speed,
3850 	.port_tag_remap = mv88e6095_port_tag_remap,
3851 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3852 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3853 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3854 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3855 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3856 	.port_pause_limit = mv88e6097_port_pause_limit,
3857 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3858 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3859 	.port_link_state = mv88e6352_port_link_state,
3860 	.port_get_cmode = mv88e6352_port_get_cmode,
3861 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3862 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3863 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3864 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3865 	.stats_get_strings = mv88e6320_stats_get_strings,
3866 	.stats_get_stats = mv88e6320_stats_get_stats,
3867 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3868 	.set_egress_port = mv88e6095_g1_set_egress_port,
3869 	.watchdog_ops = &mv88e6390_watchdog_ops,
3870 	.reset = mv88e6352_g1_reset,
3871 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3872 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3873 	.gpio_ops = &mv88e6352_gpio_ops,
3874 	.avb_ops = &mv88e6352_avb_ops,
3875 	.ptp_ops = &mv88e6352_ptp_ops,
3876 	.phylink_validate = mv88e6185_phylink_validate,
3877 };
3878 
3879 static const struct mv88e6xxx_ops mv88e6341_ops = {
3880 	/* MV88E6XXX_FAMILY_6341 */
3881 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3882 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3883 	.irl_init_all = mv88e6352_g2_irl_init_all,
3884 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3885 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3886 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3887 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3888 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3889 	.port_set_link = mv88e6xxx_port_set_link,
3890 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3891 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3892 	.port_set_speed = mv88e6341_port_set_speed,
3893 	.port_max_speed_mode = mv88e6341_port_max_speed_mode,
3894 	.port_tag_remap = mv88e6095_port_tag_remap,
3895 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3896 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3897 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3898 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3899 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3900 	.port_pause_limit = mv88e6097_port_pause_limit,
3901 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3902 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3903 	.port_link_state = mv88e6352_port_link_state,
3904 	.port_get_cmode = mv88e6352_port_get_cmode,
3905 	.port_set_cmode = mv88e6341_port_set_cmode,
3906 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3907 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3908 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3909 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3910 	.stats_get_strings = mv88e6320_stats_get_strings,
3911 	.stats_get_stats = mv88e6390_stats_get_stats,
3912 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3913 	.set_egress_port = mv88e6390_g1_set_egress_port,
3914 	.watchdog_ops = &mv88e6390_watchdog_ops,
3915 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
3916 	.pot_clear = mv88e6xxx_g2_pot_clear,
3917 	.reset = mv88e6352_g1_reset,
3918 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3919 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3920 	.serdes_power = mv88e6390_serdes_power,
3921 	.serdes_get_lane = mv88e6341_serdes_get_lane,
3922 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
3923 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
3924 	.serdes_irq_status = mv88e6390_serdes_irq_status,
3925 	.gpio_ops = &mv88e6352_gpio_ops,
3926 	.avb_ops = &mv88e6390_avb_ops,
3927 	.ptp_ops = &mv88e6352_ptp_ops,
3928 	.phylink_validate = mv88e6341_phylink_validate,
3929 };
3930 
3931 static const struct mv88e6xxx_ops mv88e6350_ops = {
3932 	/* MV88E6XXX_FAMILY_6351 */
3933 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3934 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3935 	.irl_init_all = mv88e6352_g2_irl_init_all,
3936 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3937 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3938 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3939 	.port_set_link = mv88e6xxx_port_set_link,
3940 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3941 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3942 	.port_set_speed = mv88e6185_port_set_speed,
3943 	.port_tag_remap = mv88e6095_port_tag_remap,
3944 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3945 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3946 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3947 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3948 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3949 	.port_pause_limit = mv88e6097_port_pause_limit,
3950 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3951 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3952 	.port_link_state = mv88e6352_port_link_state,
3953 	.port_get_cmode = mv88e6352_port_get_cmode,
3954 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3955 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3956 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3957 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3958 	.stats_get_strings = mv88e6095_stats_get_strings,
3959 	.stats_get_stats = mv88e6095_stats_get_stats,
3960 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3961 	.set_egress_port = mv88e6095_g1_set_egress_port,
3962 	.watchdog_ops = &mv88e6097_watchdog_ops,
3963 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3964 	.pot_clear = mv88e6xxx_g2_pot_clear,
3965 	.reset = mv88e6352_g1_reset,
3966 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3967 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3968 	.phylink_validate = mv88e6185_phylink_validate,
3969 };
3970 
3971 static const struct mv88e6xxx_ops mv88e6351_ops = {
3972 	/* MV88E6XXX_FAMILY_6351 */
3973 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3974 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3975 	.irl_init_all = mv88e6352_g2_irl_init_all,
3976 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3977 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3978 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3979 	.port_set_link = mv88e6xxx_port_set_link,
3980 	.port_set_duplex = mv88e6xxx_port_set_duplex,
3981 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3982 	.port_set_speed = mv88e6185_port_set_speed,
3983 	.port_tag_remap = mv88e6095_port_tag_remap,
3984 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3985 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
3986 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3987 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3988 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3989 	.port_pause_limit = mv88e6097_port_pause_limit,
3990 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3991 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3992 	.port_link_state = mv88e6352_port_link_state,
3993 	.port_get_cmode = mv88e6352_port_get_cmode,
3994 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3995 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3996 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3997 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3998 	.stats_get_strings = mv88e6095_stats_get_strings,
3999 	.stats_get_stats = mv88e6095_stats_get_stats,
4000 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4001 	.set_egress_port = mv88e6095_g1_set_egress_port,
4002 	.watchdog_ops = &mv88e6097_watchdog_ops,
4003 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4004 	.pot_clear = mv88e6xxx_g2_pot_clear,
4005 	.reset = mv88e6352_g1_reset,
4006 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4007 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4008 	.avb_ops = &mv88e6352_avb_ops,
4009 	.ptp_ops = &mv88e6352_ptp_ops,
4010 	.phylink_validate = mv88e6185_phylink_validate,
4011 };
4012 
4013 static const struct mv88e6xxx_ops mv88e6352_ops = {
4014 	/* MV88E6XXX_FAMILY_6352 */
4015 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4016 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4017 	.irl_init_all = mv88e6352_g2_irl_init_all,
4018 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4019 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4020 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4021 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4022 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4023 	.port_set_link = mv88e6xxx_port_set_link,
4024 	.port_set_duplex = mv88e6xxx_port_set_duplex,
4025 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4026 	.port_set_speed = mv88e6352_port_set_speed,
4027 	.port_tag_remap = mv88e6095_port_tag_remap,
4028 	.port_set_policy = mv88e6352_port_set_policy,
4029 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4030 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
4031 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4032 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4033 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4034 	.port_pause_limit = mv88e6097_port_pause_limit,
4035 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4036 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4037 	.port_link_state = mv88e6352_port_link_state,
4038 	.port_get_cmode = mv88e6352_port_get_cmode,
4039 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4040 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4041 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4042 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4043 	.stats_get_strings = mv88e6095_stats_get_strings,
4044 	.stats_get_stats = mv88e6095_stats_get_stats,
4045 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4046 	.set_egress_port = mv88e6095_g1_set_egress_port,
4047 	.watchdog_ops = &mv88e6097_watchdog_ops,
4048 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4049 	.pot_clear = mv88e6xxx_g2_pot_clear,
4050 	.reset = mv88e6352_g1_reset,
4051 	.rmu_disable = mv88e6352_g1_rmu_disable,
4052 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4053 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4054 	.serdes_get_lane = mv88e6352_serdes_get_lane,
4055 	.serdes_power = mv88e6352_serdes_power,
4056 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
4057 	.serdes_irq_enable = mv88e6352_serdes_irq_enable,
4058 	.serdes_irq_status = mv88e6352_serdes_irq_status,
4059 	.gpio_ops = &mv88e6352_gpio_ops,
4060 	.avb_ops = &mv88e6352_avb_ops,
4061 	.ptp_ops = &mv88e6352_ptp_ops,
4062 	.serdes_get_sset_count = mv88e6352_serdes_get_sset_count,
4063 	.serdes_get_strings = mv88e6352_serdes_get_strings,
4064 	.serdes_get_stats = mv88e6352_serdes_get_stats,
4065 	.phylink_validate = mv88e6352_phylink_validate,
4066 };
4067 
4068 static const struct mv88e6xxx_ops mv88e6390_ops = {
4069 	/* MV88E6XXX_FAMILY_6390 */
4070 	.setup_errata = mv88e6390_setup_errata,
4071 	.irl_init_all = mv88e6390_g2_irl_init_all,
4072 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4073 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4074 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4075 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4076 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4077 	.port_set_link = mv88e6xxx_port_set_link,
4078 	.port_set_duplex = mv88e6xxx_port_set_duplex,
4079 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4080 	.port_set_speed = mv88e6390_port_set_speed,
4081 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4082 	.port_tag_remap = mv88e6390_port_tag_remap,
4083 	.port_set_policy = mv88e6352_port_set_policy,
4084 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4085 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
4086 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4087 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4088 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4089 	.port_pause_limit = mv88e6390_port_pause_limit,
4090 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4091 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4092 	.port_link_state = mv88e6352_port_link_state,
4093 	.port_get_cmode = mv88e6352_port_get_cmode,
4094 	.port_set_cmode = mv88e6390_port_set_cmode,
4095 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4096 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4097 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4098 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4099 	.stats_get_strings = mv88e6320_stats_get_strings,
4100 	.stats_get_stats = mv88e6390_stats_get_stats,
4101 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4102 	.set_egress_port = mv88e6390_g1_set_egress_port,
4103 	.watchdog_ops = &mv88e6390_watchdog_ops,
4104 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4105 	.pot_clear = mv88e6xxx_g2_pot_clear,
4106 	.reset = mv88e6352_g1_reset,
4107 	.rmu_disable = mv88e6390_g1_rmu_disable,
4108 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4109 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4110 	.serdes_power = mv88e6390_serdes_power,
4111 	.serdes_get_lane = mv88e6390_serdes_get_lane,
4112 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4113 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
4114 	.serdes_irq_status = mv88e6390_serdes_irq_status,
4115 	.gpio_ops = &mv88e6352_gpio_ops,
4116 	.avb_ops = &mv88e6390_avb_ops,
4117 	.ptp_ops = &mv88e6352_ptp_ops,
4118 	.phylink_validate = mv88e6390_phylink_validate,
4119 };
4120 
4121 static const struct mv88e6xxx_ops mv88e6390x_ops = {
4122 	/* MV88E6XXX_FAMILY_6390 */
4123 	.setup_errata = mv88e6390_setup_errata,
4124 	.irl_init_all = mv88e6390_g2_irl_init_all,
4125 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4126 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4127 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4128 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4129 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4130 	.port_set_link = mv88e6xxx_port_set_link,
4131 	.port_set_duplex = mv88e6xxx_port_set_duplex,
4132 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4133 	.port_set_speed = mv88e6390x_port_set_speed,
4134 	.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
4135 	.port_tag_remap = mv88e6390_port_tag_remap,
4136 	.port_set_policy = mv88e6352_port_set_policy,
4137 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4138 	.port_set_egress_floods = mv88e6352_port_set_egress_floods,
4139 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4140 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4141 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4142 	.port_pause_limit = mv88e6390_port_pause_limit,
4143 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4144 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4145 	.port_link_state = mv88e6352_port_link_state,
4146 	.port_get_cmode = mv88e6352_port_get_cmode,
4147 	.port_set_cmode = mv88e6390x_port_set_cmode,
4148 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4149 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4150 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4151 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4152 	.stats_get_strings = mv88e6320_stats_get_strings,
4153 	.stats_get_stats = mv88e6390_stats_get_stats,
4154 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4155 	.set_egress_port = mv88e6390_g1_set_egress_port,
4156 	.watchdog_ops = &mv88e6390_watchdog_ops,
4157 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4158 	.pot_clear = mv88e6xxx_g2_pot_clear,
4159 	.reset = mv88e6352_g1_reset,
4160 	.rmu_disable = mv88e6390_g1_rmu_disable,
4161 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4162 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4163 	.serdes_power = mv88e6390_serdes_power,
4164 	.serdes_get_lane = mv88e6390x_serdes_get_lane,
4165 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4166 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
4167 	.serdes_irq_status = mv88e6390_serdes_irq_status,
4168 	.gpio_ops = &mv88e6352_gpio_ops,
4169 	.avb_ops = &mv88e6390_avb_ops,
4170 	.ptp_ops = &mv88e6352_ptp_ops,
4171 	.phylink_validate = mv88e6390x_phylink_validate,
4172 };
4173 
4174 static const struct mv88e6xxx_info mv88e6xxx_table[] = {
4175 	[MV88E6085] = {
4176 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6085,
4177 		.family = MV88E6XXX_FAMILY_6097,
4178 		.name = "Marvell 88E6085",
4179 		.num_databases = 4096,
4180 		.num_ports = 10,
4181 		.num_internal_phys = 5,
4182 		.max_vid = 4095,
4183 		.port_base_addr = 0x10,
4184 		.phy_base_addr = 0x0,
4185 		.global1_addr = 0x1b,
4186 		.global2_addr = 0x1c,
4187 		.age_time_coeff = 15000,
4188 		.g1_irqs = 8,
4189 		.g2_irqs = 10,
4190 		.atu_move_port_mask = 0xf,
4191 		.pvt = true,
4192 		.multi_chip = true,
4193 		.tag_protocol = DSA_TAG_PROTO_DSA,
4194 		.ops = &mv88e6085_ops,
4195 	},
4196 
4197 	[MV88E6095] = {
4198 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6095,
4199 		.family = MV88E6XXX_FAMILY_6095,
4200 		.name = "Marvell 88E6095/88E6095F",
4201 		.num_databases = 256,
4202 		.num_ports = 11,
4203 		.num_internal_phys = 0,
4204 		.max_vid = 4095,
4205 		.port_base_addr = 0x10,
4206 		.phy_base_addr = 0x0,
4207 		.global1_addr = 0x1b,
4208 		.global2_addr = 0x1c,
4209 		.age_time_coeff = 15000,
4210 		.g1_irqs = 8,
4211 		.atu_move_port_mask = 0xf,
4212 		.multi_chip = true,
4213 		.tag_protocol = DSA_TAG_PROTO_DSA,
4214 		.ops = &mv88e6095_ops,
4215 	},
4216 
4217 	[MV88E6097] = {
4218 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6097,
4219 		.family = MV88E6XXX_FAMILY_6097,
4220 		.name = "Marvell 88E6097/88E6097F",
4221 		.num_databases = 4096,
4222 		.num_ports = 11,
4223 		.num_internal_phys = 8,
4224 		.max_vid = 4095,
4225 		.port_base_addr = 0x10,
4226 		.phy_base_addr = 0x0,
4227 		.global1_addr = 0x1b,
4228 		.global2_addr = 0x1c,
4229 		.age_time_coeff = 15000,
4230 		.g1_irqs = 8,
4231 		.g2_irqs = 10,
4232 		.atu_move_port_mask = 0xf,
4233 		.pvt = true,
4234 		.multi_chip = true,
4235 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4236 		.ops = &mv88e6097_ops,
4237 	},
4238 
4239 	[MV88E6123] = {
4240 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6123,
4241 		.family = MV88E6XXX_FAMILY_6165,
4242 		.name = "Marvell 88E6123",
4243 		.num_databases = 4096,
4244 		.num_ports = 3,
4245 		.num_internal_phys = 5,
4246 		.max_vid = 4095,
4247 		.port_base_addr = 0x10,
4248 		.phy_base_addr = 0x0,
4249 		.global1_addr = 0x1b,
4250 		.global2_addr = 0x1c,
4251 		.age_time_coeff = 15000,
4252 		.g1_irqs = 9,
4253 		.g2_irqs = 10,
4254 		.atu_move_port_mask = 0xf,
4255 		.pvt = true,
4256 		.multi_chip = true,
4257 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4258 		.ops = &mv88e6123_ops,
4259 	},
4260 
4261 	[MV88E6131] = {
4262 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6131,
4263 		.family = MV88E6XXX_FAMILY_6185,
4264 		.name = "Marvell 88E6131",
4265 		.num_databases = 256,
4266 		.num_ports = 8,
4267 		.num_internal_phys = 0,
4268 		.max_vid = 4095,
4269 		.port_base_addr = 0x10,
4270 		.phy_base_addr = 0x0,
4271 		.global1_addr = 0x1b,
4272 		.global2_addr = 0x1c,
4273 		.age_time_coeff = 15000,
4274 		.g1_irqs = 9,
4275 		.atu_move_port_mask = 0xf,
4276 		.multi_chip = true,
4277 		.tag_protocol = DSA_TAG_PROTO_DSA,
4278 		.ops = &mv88e6131_ops,
4279 	},
4280 
4281 	[MV88E6141] = {
4282 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6141,
4283 		.family = MV88E6XXX_FAMILY_6341,
4284 		.name = "Marvell 88E6141",
4285 		.num_databases = 4096,
4286 		.num_ports = 6,
4287 		.num_internal_phys = 5,
4288 		.num_gpio = 11,
4289 		.max_vid = 4095,
4290 		.port_base_addr = 0x10,
4291 		.phy_base_addr = 0x10,
4292 		.global1_addr = 0x1b,
4293 		.global2_addr = 0x1c,
4294 		.age_time_coeff = 3750,
4295 		.atu_move_port_mask = 0x1f,
4296 		.g1_irqs = 9,
4297 		.g2_irqs = 10,
4298 		.pvt = true,
4299 		.multi_chip = true,
4300 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4301 		.ops = &mv88e6141_ops,
4302 	},
4303 
4304 	[MV88E6161] = {
4305 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6161,
4306 		.family = MV88E6XXX_FAMILY_6165,
4307 		.name = "Marvell 88E6161",
4308 		.num_databases = 4096,
4309 		.num_ports = 6,
4310 		.num_internal_phys = 5,
4311 		.max_vid = 4095,
4312 		.port_base_addr = 0x10,
4313 		.phy_base_addr = 0x0,
4314 		.global1_addr = 0x1b,
4315 		.global2_addr = 0x1c,
4316 		.age_time_coeff = 15000,
4317 		.g1_irqs = 9,
4318 		.g2_irqs = 10,
4319 		.atu_move_port_mask = 0xf,
4320 		.pvt = true,
4321 		.multi_chip = true,
4322 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4323 		.ptp_support = true,
4324 		.ops = &mv88e6161_ops,
4325 	},
4326 
4327 	[MV88E6165] = {
4328 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6165,
4329 		.family = MV88E6XXX_FAMILY_6165,
4330 		.name = "Marvell 88E6165",
4331 		.num_databases = 4096,
4332 		.num_ports = 6,
4333 		.num_internal_phys = 0,
4334 		.max_vid = 4095,
4335 		.port_base_addr = 0x10,
4336 		.phy_base_addr = 0x0,
4337 		.global1_addr = 0x1b,
4338 		.global2_addr = 0x1c,
4339 		.age_time_coeff = 15000,
4340 		.g1_irqs = 9,
4341 		.g2_irqs = 10,
4342 		.atu_move_port_mask = 0xf,
4343 		.pvt = true,
4344 		.multi_chip = true,
4345 		.tag_protocol = DSA_TAG_PROTO_DSA,
4346 		.ptp_support = true,
4347 		.ops = &mv88e6165_ops,
4348 	},
4349 
4350 	[MV88E6171] = {
4351 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6171,
4352 		.family = MV88E6XXX_FAMILY_6351,
4353 		.name = "Marvell 88E6171",
4354 		.num_databases = 4096,
4355 		.num_ports = 7,
4356 		.num_internal_phys = 5,
4357 		.max_vid = 4095,
4358 		.port_base_addr = 0x10,
4359 		.phy_base_addr = 0x0,
4360 		.global1_addr = 0x1b,
4361 		.global2_addr = 0x1c,
4362 		.age_time_coeff = 15000,
4363 		.g1_irqs = 9,
4364 		.g2_irqs = 10,
4365 		.atu_move_port_mask = 0xf,
4366 		.pvt = true,
4367 		.multi_chip = true,
4368 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4369 		.ops = &mv88e6171_ops,
4370 	},
4371 
4372 	[MV88E6172] = {
4373 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6172,
4374 		.family = MV88E6XXX_FAMILY_6352,
4375 		.name = "Marvell 88E6172",
4376 		.num_databases = 4096,
4377 		.num_ports = 7,
4378 		.num_internal_phys = 5,
4379 		.num_gpio = 15,
4380 		.max_vid = 4095,
4381 		.port_base_addr = 0x10,
4382 		.phy_base_addr = 0x0,
4383 		.global1_addr = 0x1b,
4384 		.global2_addr = 0x1c,
4385 		.age_time_coeff = 15000,
4386 		.g1_irqs = 9,
4387 		.g2_irqs = 10,
4388 		.atu_move_port_mask = 0xf,
4389 		.pvt = true,
4390 		.multi_chip = true,
4391 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4392 		.ops = &mv88e6172_ops,
4393 	},
4394 
4395 	[MV88E6175] = {
4396 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6175,
4397 		.family = MV88E6XXX_FAMILY_6351,
4398 		.name = "Marvell 88E6175",
4399 		.num_databases = 4096,
4400 		.num_ports = 7,
4401 		.num_internal_phys = 5,
4402 		.max_vid = 4095,
4403 		.port_base_addr = 0x10,
4404 		.phy_base_addr = 0x0,
4405 		.global1_addr = 0x1b,
4406 		.global2_addr = 0x1c,
4407 		.age_time_coeff = 15000,
4408 		.g1_irqs = 9,
4409 		.g2_irqs = 10,
4410 		.atu_move_port_mask = 0xf,
4411 		.pvt = true,
4412 		.multi_chip = true,
4413 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4414 		.ops = &mv88e6175_ops,
4415 	},
4416 
4417 	[MV88E6176] = {
4418 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6176,
4419 		.family = MV88E6XXX_FAMILY_6352,
4420 		.name = "Marvell 88E6176",
4421 		.num_databases = 4096,
4422 		.num_ports = 7,
4423 		.num_internal_phys = 5,
4424 		.num_gpio = 15,
4425 		.max_vid = 4095,
4426 		.port_base_addr = 0x10,
4427 		.phy_base_addr = 0x0,
4428 		.global1_addr = 0x1b,
4429 		.global2_addr = 0x1c,
4430 		.age_time_coeff = 15000,
4431 		.g1_irqs = 9,
4432 		.g2_irqs = 10,
4433 		.atu_move_port_mask = 0xf,
4434 		.pvt = true,
4435 		.multi_chip = true,
4436 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4437 		.ops = &mv88e6176_ops,
4438 	},
4439 
4440 	[MV88E6185] = {
4441 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6185,
4442 		.family = MV88E6XXX_FAMILY_6185,
4443 		.name = "Marvell 88E6185",
4444 		.num_databases = 256,
4445 		.num_ports = 10,
4446 		.num_internal_phys = 0,
4447 		.max_vid = 4095,
4448 		.port_base_addr = 0x10,
4449 		.phy_base_addr = 0x0,
4450 		.global1_addr = 0x1b,
4451 		.global2_addr = 0x1c,
4452 		.age_time_coeff = 15000,
4453 		.g1_irqs = 8,
4454 		.atu_move_port_mask = 0xf,
4455 		.multi_chip = true,
4456 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4457 		.ops = &mv88e6185_ops,
4458 	},
4459 
4460 	[MV88E6190] = {
4461 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190,
4462 		.family = MV88E6XXX_FAMILY_6390,
4463 		.name = "Marvell 88E6190",
4464 		.num_databases = 4096,
4465 		.num_ports = 11,	/* 10 + Z80 */
4466 		.num_internal_phys = 9,
4467 		.num_gpio = 16,
4468 		.max_vid = 8191,
4469 		.port_base_addr = 0x0,
4470 		.phy_base_addr = 0x0,
4471 		.global1_addr = 0x1b,
4472 		.global2_addr = 0x1c,
4473 		.tag_protocol = DSA_TAG_PROTO_DSA,
4474 		.age_time_coeff = 3750,
4475 		.g1_irqs = 9,
4476 		.g2_irqs = 14,
4477 		.pvt = true,
4478 		.multi_chip = true,
4479 		.atu_move_port_mask = 0x1f,
4480 		.ops = &mv88e6190_ops,
4481 	},
4482 
4483 	[MV88E6190X] = {
4484 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190X,
4485 		.family = MV88E6XXX_FAMILY_6390,
4486 		.name = "Marvell 88E6190X",
4487 		.num_databases = 4096,
4488 		.num_ports = 11,	/* 10 + Z80 */
4489 		.num_internal_phys = 9,
4490 		.num_gpio = 16,
4491 		.max_vid = 8191,
4492 		.port_base_addr = 0x0,
4493 		.phy_base_addr = 0x0,
4494 		.global1_addr = 0x1b,
4495 		.global2_addr = 0x1c,
4496 		.age_time_coeff = 3750,
4497 		.g1_irqs = 9,
4498 		.g2_irqs = 14,
4499 		.atu_move_port_mask = 0x1f,
4500 		.pvt = true,
4501 		.multi_chip = true,
4502 		.tag_protocol = DSA_TAG_PROTO_DSA,
4503 		.ops = &mv88e6190x_ops,
4504 	},
4505 
4506 	[MV88E6191] = {
4507 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6191,
4508 		.family = MV88E6XXX_FAMILY_6390,
4509 		.name = "Marvell 88E6191",
4510 		.num_databases = 4096,
4511 		.num_ports = 11,	/* 10 + Z80 */
4512 		.num_internal_phys = 9,
4513 		.max_vid = 8191,
4514 		.port_base_addr = 0x0,
4515 		.phy_base_addr = 0x0,
4516 		.global1_addr = 0x1b,
4517 		.global2_addr = 0x1c,
4518 		.age_time_coeff = 3750,
4519 		.g1_irqs = 9,
4520 		.g2_irqs = 14,
4521 		.atu_move_port_mask = 0x1f,
4522 		.pvt = true,
4523 		.multi_chip = true,
4524 		.tag_protocol = DSA_TAG_PROTO_DSA,
4525 		.ptp_support = true,
4526 		.ops = &mv88e6191_ops,
4527 	},
4528 
4529 	[MV88E6220] = {
4530 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6220,
4531 		.family = MV88E6XXX_FAMILY_6250,
4532 		.name = "Marvell 88E6220",
4533 		.num_databases = 64,
4534 
4535 		/* Ports 2-4 are not routed to pins
4536 		 * => usable ports 0, 1, 5, 6
4537 		 */
4538 		.num_ports = 7,
4539 		.num_internal_phys = 2,
4540 		.invalid_port_mask = BIT(2) | BIT(3) | BIT(4),
4541 		.max_vid = 4095,
4542 		.port_base_addr = 0x08,
4543 		.phy_base_addr = 0x00,
4544 		.global1_addr = 0x0f,
4545 		.global2_addr = 0x07,
4546 		.age_time_coeff = 15000,
4547 		.g1_irqs = 9,
4548 		.g2_irqs = 10,
4549 		.atu_move_port_mask = 0xf,
4550 		.dual_chip = true,
4551 		.tag_protocol = DSA_TAG_PROTO_DSA,
4552 		.ptp_support = true,
4553 		.ops = &mv88e6250_ops,
4554 	},
4555 
4556 	[MV88E6240] = {
4557 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6240,
4558 		.family = MV88E6XXX_FAMILY_6352,
4559 		.name = "Marvell 88E6240",
4560 		.num_databases = 4096,
4561 		.num_ports = 7,
4562 		.num_internal_phys = 5,
4563 		.num_gpio = 15,
4564 		.max_vid = 4095,
4565 		.port_base_addr = 0x10,
4566 		.phy_base_addr = 0x0,
4567 		.global1_addr = 0x1b,
4568 		.global2_addr = 0x1c,
4569 		.age_time_coeff = 15000,
4570 		.g1_irqs = 9,
4571 		.g2_irqs = 10,
4572 		.atu_move_port_mask = 0xf,
4573 		.pvt = true,
4574 		.multi_chip = true,
4575 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4576 		.ptp_support = true,
4577 		.ops = &mv88e6240_ops,
4578 	},
4579 
4580 	[MV88E6250] = {
4581 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6250,
4582 		.family = MV88E6XXX_FAMILY_6250,
4583 		.name = "Marvell 88E6250",
4584 		.num_databases = 64,
4585 		.num_ports = 7,
4586 		.num_internal_phys = 5,
4587 		.max_vid = 4095,
4588 		.port_base_addr = 0x08,
4589 		.phy_base_addr = 0x00,
4590 		.global1_addr = 0x0f,
4591 		.global2_addr = 0x07,
4592 		.age_time_coeff = 15000,
4593 		.g1_irqs = 9,
4594 		.g2_irqs = 10,
4595 		.atu_move_port_mask = 0xf,
4596 		.dual_chip = true,
4597 		.tag_protocol = DSA_TAG_PROTO_DSA,
4598 		.ptp_support = true,
4599 		.ops = &mv88e6250_ops,
4600 	},
4601 
4602 	[MV88E6290] = {
4603 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6290,
4604 		.family = MV88E6XXX_FAMILY_6390,
4605 		.name = "Marvell 88E6290",
4606 		.num_databases = 4096,
4607 		.num_ports = 11,	/* 10 + Z80 */
4608 		.num_internal_phys = 9,
4609 		.num_gpio = 16,
4610 		.max_vid = 8191,
4611 		.port_base_addr = 0x0,
4612 		.phy_base_addr = 0x0,
4613 		.global1_addr = 0x1b,
4614 		.global2_addr = 0x1c,
4615 		.age_time_coeff = 3750,
4616 		.g1_irqs = 9,
4617 		.g2_irqs = 14,
4618 		.atu_move_port_mask = 0x1f,
4619 		.pvt = true,
4620 		.multi_chip = true,
4621 		.tag_protocol = DSA_TAG_PROTO_DSA,
4622 		.ptp_support = true,
4623 		.ops = &mv88e6290_ops,
4624 	},
4625 
4626 	[MV88E6320] = {
4627 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6320,
4628 		.family = MV88E6XXX_FAMILY_6320,
4629 		.name = "Marvell 88E6320",
4630 		.num_databases = 4096,
4631 		.num_ports = 7,
4632 		.num_internal_phys = 5,
4633 		.num_gpio = 15,
4634 		.max_vid = 4095,
4635 		.port_base_addr = 0x10,
4636 		.phy_base_addr = 0x0,
4637 		.global1_addr = 0x1b,
4638 		.global2_addr = 0x1c,
4639 		.age_time_coeff = 15000,
4640 		.g1_irqs = 8,
4641 		.g2_irqs = 10,
4642 		.atu_move_port_mask = 0xf,
4643 		.pvt = true,
4644 		.multi_chip = true,
4645 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4646 		.ptp_support = true,
4647 		.ops = &mv88e6320_ops,
4648 	},
4649 
4650 	[MV88E6321] = {
4651 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6321,
4652 		.family = MV88E6XXX_FAMILY_6320,
4653 		.name = "Marvell 88E6321",
4654 		.num_databases = 4096,
4655 		.num_ports = 7,
4656 		.num_internal_phys = 5,
4657 		.num_gpio = 15,
4658 		.max_vid = 4095,
4659 		.port_base_addr = 0x10,
4660 		.phy_base_addr = 0x0,
4661 		.global1_addr = 0x1b,
4662 		.global2_addr = 0x1c,
4663 		.age_time_coeff = 15000,
4664 		.g1_irqs = 8,
4665 		.g2_irqs = 10,
4666 		.atu_move_port_mask = 0xf,
4667 		.multi_chip = true,
4668 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4669 		.ptp_support = true,
4670 		.ops = &mv88e6321_ops,
4671 	},
4672 
4673 	[MV88E6341] = {
4674 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6341,
4675 		.family = MV88E6XXX_FAMILY_6341,
4676 		.name = "Marvell 88E6341",
4677 		.num_databases = 4096,
4678 		.num_internal_phys = 5,
4679 		.num_ports = 6,
4680 		.num_gpio = 11,
4681 		.max_vid = 4095,
4682 		.port_base_addr = 0x10,
4683 		.phy_base_addr = 0x10,
4684 		.global1_addr = 0x1b,
4685 		.global2_addr = 0x1c,
4686 		.age_time_coeff = 3750,
4687 		.atu_move_port_mask = 0x1f,
4688 		.g1_irqs = 9,
4689 		.g2_irqs = 10,
4690 		.pvt = true,
4691 		.multi_chip = true,
4692 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4693 		.ptp_support = true,
4694 		.ops = &mv88e6341_ops,
4695 	},
4696 
4697 	[MV88E6350] = {
4698 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6350,
4699 		.family = MV88E6XXX_FAMILY_6351,
4700 		.name = "Marvell 88E6350",
4701 		.num_databases = 4096,
4702 		.num_ports = 7,
4703 		.num_internal_phys = 5,
4704 		.max_vid = 4095,
4705 		.port_base_addr = 0x10,
4706 		.phy_base_addr = 0x0,
4707 		.global1_addr = 0x1b,
4708 		.global2_addr = 0x1c,
4709 		.age_time_coeff = 15000,
4710 		.g1_irqs = 9,
4711 		.g2_irqs = 10,
4712 		.atu_move_port_mask = 0xf,
4713 		.pvt = true,
4714 		.multi_chip = true,
4715 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4716 		.ops = &mv88e6350_ops,
4717 	},
4718 
4719 	[MV88E6351] = {
4720 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6351,
4721 		.family = MV88E6XXX_FAMILY_6351,
4722 		.name = "Marvell 88E6351",
4723 		.num_databases = 4096,
4724 		.num_ports = 7,
4725 		.num_internal_phys = 5,
4726 		.max_vid = 4095,
4727 		.port_base_addr = 0x10,
4728 		.phy_base_addr = 0x0,
4729 		.global1_addr = 0x1b,
4730 		.global2_addr = 0x1c,
4731 		.age_time_coeff = 15000,
4732 		.g1_irqs = 9,
4733 		.g2_irqs = 10,
4734 		.atu_move_port_mask = 0xf,
4735 		.pvt = true,
4736 		.multi_chip = true,
4737 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4738 		.ops = &mv88e6351_ops,
4739 	},
4740 
4741 	[MV88E6352] = {
4742 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6352,
4743 		.family = MV88E6XXX_FAMILY_6352,
4744 		.name = "Marvell 88E6352",
4745 		.num_databases = 4096,
4746 		.num_ports = 7,
4747 		.num_internal_phys = 5,
4748 		.num_gpio = 15,
4749 		.max_vid = 4095,
4750 		.port_base_addr = 0x10,
4751 		.phy_base_addr = 0x0,
4752 		.global1_addr = 0x1b,
4753 		.global2_addr = 0x1c,
4754 		.age_time_coeff = 15000,
4755 		.g1_irqs = 9,
4756 		.g2_irqs = 10,
4757 		.atu_move_port_mask = 0xf,
4758 		.pvt = true,
4759 		.multi_chip = true,
4760 		.tag_protocol = DSA_TAG_PROTO_EDSA,
4761 		.ptp_support = true,
4762 		.ops = &mv88e6352_ops,
4763 	},
4764 	[MV88E6390] = {
4765 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
4766 		.family = MV88E6XXX_FAMILY_6390,
4767 		.name = "Marvell 88E6390",
4768 		.num_databases = 4096,
4769 		.num_ports = 11,	/* 10 + Z80 */
4770 		.num_internal_phys = 9,
4771 		.num_gpio = 16,
4772 		.max_vid = 8191,
4773 		.port_base_addr = 0x0,
4774 		.phy_base_addr = 0x0,
4775 		.global1_addr = 0x1b,
4776 		.global2_addr = 0x1c,
4777 		.age_time_coeff = 3750,
4778 		.g1_irqs = 9,
4779 		.g2_irqs = 14,
4780 		.atu_move_port_mask = 0x1f,
4781 		.pvt = true,
4782 		.multi_chip = true,
4783 		.tag_protocol = DSA_TAG_PROTO_DSA,
4784 		.ptp_support = true,
4785 		.ops = &mv88e6390_ops,
4786 	},
4787 	[MV88E6390X] = {
4788 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390X,
4789 		.family = MV88E6XXX_FAMILY_6390,
4790 		.name = "Marvell 88E6390X",
4791 		.num_databases = 4096,
4792 		.num_ports = 11,	/* 10 + Z80 */
4793 		.num_internal_phys = 9,
4794 		.num_gpio = 16,
4795 		.max_vid = 8191,
4796 		.port_base_addr = 0x0,
4797 		.phy_base_addr = 0x0,
4798 		.global1_addr = 0x1b,
4799 		.global2_addr = 0x1c,
4800 		.age_time_coeff = 3750,
4801 		.g1_irqs = 9,
4802 		.g2_irqs = 14,
4803 		.atu_move_port_mask = 0x1f,
4804 		.pvt = true,
4805 		.multi_chip = true,
4806 		.tag_protocol = DSA_TAG_PROTO_DSA,
4807 		.ptp_support = true,
4808 		.ops = &mv88e6390x_ops,
4809 	},
4810 };
4811 
mv88e6xxx_lookup_info(unsigned int prod_num)4812 static const struct mv88e6xxx_info *mv88e6xxx_lookup_info(unsigned int prod_num)
4813 {
4814 	int i;
4815 
4816 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_table); ++i)
4817 		if (mv88e6xxx_table[i].prod_num == prod_num)
4818 			return &mv88e6xxx_table[i];
4819 
4820 	return NULL;
4821 }
4822 
mv88e6xxx_detect(struct mv88e6xxx_chip * chip)4823 static int mv88e6xxx_detect(struct mv88e6xxx_chip *chip)
4824 {
4825 	const struct mv88e6xxx_info *info;
4826 	unsigned int prod_num, rev;
4827 	u16 id;
4828 	int err;
4829 
4830 	mv88e6xxx_reg_lock(chip);
4831 	err = mv88e6xxx_port_read(chip, 0, MV88E6XXX_PORT_SWITCH_ID, &id);
4832 	mv88e6xxx_reg_unlock(chip);
4833 	if (err)
4834 		return err;
4835 
4836 	prod_num = id & MV88E6XXX_PORT_SWITCH_ID_PROD_MASK;
4837 	rev = id & MV88E6XXX_PORT_SWITCH_ID_REV_MASK;
4838 
4839 	info = mv88e6xxx_lookup_info(prod_num);
4840 	if (!info)
4841 		return -ENODEV;
4842 
4843 	/* Update the compatible info with the probed one */
4844 	chip->info = info;
4845 
4846 	err = mv88e6xxx_g2_require(chip);
4847 	if (err)
4848 		return err;
4849 
4850 	dev_info(chip->dev, "switch 0x%x detected: %s, revision %u\n",
4851 		 chip->info->prod_num, chip->info->name, rev);
4852 
4853 	return 0;
4854 }
4855 
mv88e6xxx_alloc_chip(struct device * dev)4856 static struct mv88e6xxx_chip *mv88e6xxx_alloc_chip(struct device *dev)
4857 {
4858 	struct mv88e6xxx_chip *chip;
4859 
4860 	chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
4861 	if (!chip)
4862 		return NULL;
4863 
4864 	chip->dev = dev;
4865 
4866 	mutex_init(&chip->reg_lock);
4867 	INIT_LIST_HEAD(&chip->mdios);
4868 	idr_init(&chip->policies);
4869 
4870 	return chip;
4871 }
4872 
mv88e6xxx_get_tag_protocol(struct dsa_switch * ds,int port)4873 static enum dsa_tag_protocol mv88e6xxx_get_tag_protocol(struct dsa_switch *ds,
4874 							int port)
4875 {
4876 	struct mv88e6xxx_chip *chip = ds->priv;
4877 
4878 	return chip->info->tag_protocol;
4879 }
4880 
mv88e6xxx_port_mdb_prepare(struct dsa_switch * ds,int port,const struct switchdev_obj_port_mdb * mdb)4881 static int mv88e6xxx_port_mdb_prepare(struct dsa_switch *ds, int port,
4882 				      const struct switchdev_obj_port_mdb *mdb)
4883 {
4884 	/* We don't need any dynamic resource from the kernel (yet),
4885 	 * so skip the prepare phase.
4886 	 */
4887 
4888 	return 0;
4889 }
4890 
mv88e6xxx_port_mdb_add(struct dsa_switch * ds,int port,const struct switchdev_obj_port_mdb * mdb)4891 static void mv88e6xxx_port_mdb_add(struct dsa_switch *ds, int port,
4892 				   const struct switchdev_obj_port_mdb *mdb)
4893 {
4894 	struct mv88e6xxx_chip *chip = ds->priv;
4895 
4896 	mv88e6xxx_reg_lock(chip);
4897 	if (mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid,
4898 					 MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC))
4899 		dev_err(ds->dev, "p%d: failed to load multicast MAC address\n",
4900 			port);
4901 	mv88e6xxx_reg_unlock(chip);
4902 }
4903 
mv88e6xxx_port_mdb_del(struct dsa_switch * ds,int port,const struct switchdev_obj_port_mdb * mdb)4904 static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, int port,
4905 				  const struct switchdev_obj_port_mdb *mdb)
4906 {
4907 	struct mv88e6xxx_chip *chip = ds->priv;
4908 	int err;
4909 
4910 	mv88e6xxx_reg_lock(chip);
4911 	err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid, 0);
4912 	mv88e6xxx_reg_unlock(chip);
4913 
4914 	return err;
4915 }
4916 
mv88e6xxx_port_egress_floods(struct dsa_switch * ds,int port,bool unicast,bool multicast)4917 static int mv88e6xxx_port_egress_floods(struct dsa_switch *ds, int port,
4918 					 bool unicast, bool multicast)
4919 {
4920 	struct mv88e6xxx_chip *chip = ds->priv;
4921 	int err = -EOPNOTSUPP;
4922 
4923 	mv88e6xxx_reg_lock(chip);
4924 	if (chip->info->ops->port_set_egress_floods)
4925 		err = chip->info->ops->port_set_egress_floods(chip, port,
4926 							      unicast,
4927 							      multicast);
4928 	mv88e6xxx_reg_unlock(chip);
4929 
4930 	return err;
4931 }
4932 
4933 static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
4934 	.get_tag_protocol	= mv88e6xxx_get_tag_protocol,
4935 	.setup			= mv88e6xxx_setup,
4936 	.phylink_validate	= mv88e6xxx_validate,
4937 	.phylink_mac_link_state	= mv88e6xxx_link_state,
4938 	.phylink_mac_config	= mv88e6xxx_mac_config,
4939 	.phylink_mac_link_down	= mv88e6xxx_mac_link_down,
4940 	.phylink_mac_link_up	= mv88e6xxx_mac_link_up,
4941 	.get_strings		= mv88e6xxx_get_strings,
4942 	.get_ethtool_stats	= mv88e6xxx_get_ethtool_stats,
4943 	.get_sset_count		= mv88e6xxx_get_sset_count,
4944 	.port_enable		= mv88e6xxx_port_enable,
4945 	.port_disable		= mv88e6xxx_port_disable,
4946 	.get_mac_eee		= mv88e6xxx_get_mac_eee,
4947 	.set_mac_eee		= mv88e6xxx_set_mac_eee,
4948 	.get_eeprom_len		= mv88e6xxx_get_eeprom_len,
4949 	.get_eeprom		= mv88e6xxx_get_eeprom,
4950 	.set_eeprom		= mv88e6xxx_set_eeprom,
4951 	.get_regs_len		= mv88e6xxx_get_regs_len,
4952 	.get_regs		= mv88e6xxx_get_regs,
4953 	.get_rxnfc		= mv88e6xxx_get_rxnfc,
4954 	.set_rxnfc		= mv88e6xxx_set_rxnfc,
4955 	.set_ageing_time	= mv88e6xxx_set_ageing_time,
4956 	.port_bridge_join	= mv88e6xxx_port_bridge_join,
4957 	.port_bridge_leave	= mv88e6xxx_port_bridge_leave,
4958 	.port_egress_floods	= mv88e6xxx_port_egress_floods,
4959 	.port_stp_state_set	= mv88e6xxx_port_stp_state_set,
4960 	.port_fast_age		= mv88e6xxx_port_fast_age,
4961 	.port_vlan_filtering	= mv88e6xxx_port_vlan_filtering,
4962 	.port_vlan_prepare	= mv88e6xxx_port_vlan_prepare,
4963 	.port_vlan_add		= mv88e6xxx_port_vlan_add,
4964 	.port_vlan_del		= mv88e6xxx_port_vlan_del,
4965 	.port_fdb_add           = mv88e6xxx_port_fdb_add,
4966 	.port_fdb_del           = mv88e6xxx_port_fdb_del,
4967 	.port_fdb_dump          = mv88e6xxx_port_fdb_dump,
4968 	.port_mdb_prepare       = mv88e6xxx_port_mdb_prepare,
4969 	.port_mdb_add           = mv88e6xxx_port_mdb_add,
4970 	.port_mdb_del           = mv88e6xxx_port_mdb_del,
4971 	.crosschip_bridge_join	= mv88e6xxx_crosschip_bridge_join,
4972 	.crosschip_bridge_leave	= mv88e6xxx_crosschip_bridge_leave,
4973 	.port_hwtstamp_set	= mv88e6xxx_port_hwtstamp_set,
4974 	.port_hwtstamp_get	= mv88e6xxx_port_hwtstamp_get,
4975 	.port_txtstamp		= mv88e6xxx_port_txtstamp,
4976 	.port_rxtstamp		= mv88e6xxx_port_rxtstamp,
4977 	.get_ts_info		= mv88e6xxx_get_ts_info,
4978 };
4979 
mv88e6xxx_register_switch(struct mv88e6xxx_chip * chip)4980 static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip)
4981 {
4982 	struct device *dev = chip->dev;
4983 	struct dsa_switch *ds;
4984 
4985 	ds = dsa_switch_alloc(dev, mv88e6xxx_num_ports(chip));
4986 	if (!ds)
4987 		return -ENOMEM;
4988 
4989 	ds->priv = chip;
4990 	ds->dev = dev;
4991 	ds->ops = &mv88e6xxx_switch_ops;
4992 	ds->ageing_time_min = chip->info->age_time_coeff;
4993 	ds->ageing_time_max = chip->info->age_time_coeff * U8_MAX;
4994 
4995 	dev_set_drvdata(dev, ds);
4996 
4997 	return dsa_register_switch(ds);
4998 }
4999 
mv88e6xxx_unregister_switch(struct mv88e6xxx_chip * chip)5000 static void mv88e6xxx_unregister_switch(struct mv88e6xxx_chip *chip)
5001 {
5002 	dsa_unregister_switch(chip->ds);
5003 }
5004 
pdata_device_get_match_data(struct device * dev)5005 static const void *pdata_device_get_match_data(struct device *dev)
5006 {
5007 	const struct of_device_id *matches = dev->driver->of_match_table;
5008 	const struct dsa_mv88e6xxx_pdata *pdata = dev->platform_data;
5009 
5010 	for (; matches->name[0] || matches->type[0] || matches->compatible[0];
5011 	     matches++) {
5012 		if (!strcmp(pdata->compatible, matches->compatible))
5013 			return matches->data;
5014 	}
5015 	return NULL;
5016 }
5017 
5018 /* There is no suspend to RAM support at DSA level yet, the switch configuration
5019  * would be lost after a power cycle so prevent it to be suspended.
5020  */
mv88e6xxx_suspend(struct device * dev)5021 static int __maybe_unused mv88e6xxx_suspend(struct device *dev)
5022 {
5023 	return -EOPNOTSUPP;
5024 }
5025 
mv88e6xxx_resume(struct device * dev)5026 static int __maybe_unused mv88e6xxx_resume(struct device *dev)
5027 {
5028 	return 0;
5029 }
5030 
5031 static SIMPLE_DEV_PM_OPS(mv88e6xxx_pm_ops, mv88e6xxx_suspend, mv88e6xxx_resume);
5032 
mv88e6xxx_probe(struct mdio_device * mdiodev)5033 static int mv88e6xxx_probe(struct mdio_device *mdiodev)
5034 {
5035 	struct dsa_mv88e6xxx_pdata *pdata = mdiodev->dev.platform_data;
5036 	const struct mv88e6xxx_info *compat_info = NULL;
5037 	struct device *dev = &mdiodev->dev;
5038 	struct device_node *np = dev->of_node;
5039 	struct mv88e6xxx_chip *chip;
5040 	int port;
5041 	int err;
5042 
5043 	if (!np && !pdata)
5044 		return -EINVAL;
5045 
5046 	if (np)
5047 		compat_info = of_device_get_match_data(dev);
5048 
5049 	if (pdata) {
5050 		compat_info = pdata_device_get_match_data(dev);
5051 
5052 		if (!pdata->netdev)
5053 			return -EINVAL;
5054 
5055 		for (port = 0; port < DSA_MAX_PORTS; port++) {
5056 			if (!(pdata->enabled_ports & (1 << port)))
5057 				continue;
5058 			if (strcmp(pdata->cd.port_names[port], "cpu"))
5059 				continue;
5060 			pdata->cd.netdev[port] = &pdata->netdev->dev;
5061 			break;
5062 		}
5063 	}
5064 
5065 	if (!compat_info)
5066 		return -EINVAL;
5067 
5068 	chip = mv88e6xxx_alloc_chip(dev);
5069 	if (!chip) {
5070 		err = -ENOMEM;
5071 		goto out;
5072 	}
5073 
5074 	chip->info = compat_info;
5075 
5076 	err = mv88e6xxx_smi_init(chip, mdiodev->bus, mdiodev->addr);
5077 	if (err)
5078 		goto out;
5079 
5080 	chip->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
5081 	if (IS_ERR(chip->reset)) {
5082 		err = PTR_ERR(chip->reset);
5083 		goto out;
5084 	}
5085 	if (chip->reset)
5086 		usleep_range(1000, 2000);
5087 
5088 	err = mv88e6xxx_detect(chip);
5089 	if (err)
5090 		goto out;
5091 
5092 	mv88e6xxx_phy_init(chip);
5093 
5094 	if (chip->info->ops->get_eeprom) {
5095 		if (np)
5096 			of_property_read_u32(np, "eeprom-length",
5097 					     &chip->eeprom_len);
5098 		else
5099 			chip->eeprom_len = pdata->eeprom_len;
5100 	}
5101 
5102 	mv88e6xxx_reg_lock(chip);
5103 	err = mv88e6xxx_switch_reset(chip);
5104 	mv88e6xxx_reg_unlock(chip);
5105 	if (err)
5106 		goto out;
5107 
5108 	if (np) {
5109 		chip->irq = of_irq_get(np, 0);
5110 		if (chip->irq == -EPROBE_DEFER) {
5111 			err = chip->irq;
5112 			goto out;
5113 		}
5114 	}
5115 
5116 	if (pdata)
5117 		chip->irq = pdata->irq;
5118 
5119 	/* Has to be performed before the MDIO bus is created, because
5120 	 * the PHYs will link their interrupts to these interrupt
5121 	 * controllers
5122 	 */
5123 	mv88e6xxx_reg_lock(chip);
5124 	if (chip->irq > 0)
5125 		err = mv88e6xxx_g1_irq_setup(chip);
5126 	else
5127 		err = mv88e6xxx_irq_poll_setup(chip);
5128 	mv88e6xxx_reg_unlock(chip);
5129 
5130 	if (err)
5131 		goto out;
5132 
5133 	if (chip->info->g2_irqs > 0) {
5134 		err = mv88e6xxx_g2_irq_setup(chip);
5135 		if (err)
5136 			goto out_g1_irq;
5137 	}
5138 
5139 	err = mv88e6xxx_g1_atu_prob_irq_setup(chip);
5140 	if (err)
5141 		goto out_g2_irq;
5142 
5143 	err = mv88e6xxx_g1_vtu_prob_irq_setup(chip);
5144 	if (err)
5145 		goto out_g1_atu_prob_irq;
5146 
5147 	err = mv88e6xxx_mdios_register(chip, np);
5148 	if (err)
5149 		goto out_g1_vtu_prob_irq;
5150 
5151 	err = mv88e6xxx_register_switch(chip);
5152 	if (err)
5153 		goto out_mdio;
5154 
5155 	return 0;
5156 
5157 out_mdio:
5158 	mv88e6xxx_mdios_unregister(chip);
5159 out_g1_vtu_prob_irq:
5160 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
5161 out_g1_atu_prob_irq:
5162 	mv88e6xxx_g1_atu_prob_irq_free(chip);
5163 out_g2_irq:
5164 	if (chip->info->g2_irqs > 0)
5165 		mv88e6xxx_g2_irq_free(chip);
5166 out_g1_irq:
5167 	if (chip->irq > 0)
5168 		mv88e6xxx_g1_irq_free(chip);
5169 	else
5170 		mv88e6xxx_irq_poll_free(chip);
5171 out:
5172 	if (pdata)
5173 		dev_put(pdata->netdev);
5174 
5175 	return err;
5176 }
5177 
mv88e6xxx_remove(struct mdio_device * mdiodev)5178 static void mv88e6xxx_remove(struct mdio_device *mdiodev)
5179 {
5180 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
5181 	struct mv88e6xxx_chip *chip = ds->priv;
5182 
5183 	if (chip->info->ptp_support) {
5184 		mv88e6xxx_hwtstamp_free(chip);
5185 		mv88e6xxx_ptp_free(chip);
5186 	}
5187 
5188 	mv88e6xxx_phy_destroy(chip);
5189 	mv88e6xxx_unregister_switch(chip);
5190 	mv88e6xxx_mdios_unregister(chip);
5191 
5192 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
5193 	mv88e6xxx_g1_atu_prob_irq_free(chip);
5194 
5195 	if (chip->info->g2_irqs > 0)
5196 		mv88e6xxx_g2_irq_free(chip);
5197 
5198 	if (chip->irq > 0)
5199 		mv88e6xxx_g1_irq_free(chip);
5200 	else
5201 		mv88e6xxx_irq_poll_free(chip);
5202 }
5203 
5204 static const struct of_device_id mv88e6xxx_of_match[] = {
5205 	{
5206 		.compatible = "marvell,mv88e6085",
5207 		.data = &mv88e6xxx_table[MV88E6085],
5208 	},
5209 	{
5210 		.compatible = "marvell,mv88e6190",
5211 		.data = &mv88e6xxx_table[MV88E6190],
5212 	},
5213 	{
5214 		.compatible = "marvell,mv88e6250",
5215 		.data = &mv88e6xxx_table[MV88E6250],
5216 	},
5217 	{ /* sentinel */ },
5218 };
5219 
5220 MODULE_DEVICE_TABLE(of, mv88e6xxx_of_match);
5221 
5222 static struct mdio_driver mv88e6xxx_driver = {
5223 	.probe	= mv88e6xxx_probe,
5224 	.remove = mv88e6xxx_remove,
5225 	.mdiodrv.driver = {
5226 		.name = "mv88e6085",
5227 		.of_match_table = mv88e6xxx_of_match,
5228 		.pm = &mv88e6xxx_pm_ops,
5229 	},
5230 };
5231 
5232 mdio_module_driver(mv88e6xxx_driver);
5233 
5234 MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>");
5235 MODULE_DESCRIPTION("Driver for Marvell 88E6XXX ethernet switch chips");
5236 MODULE_LICENSE("GPL");
5237