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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/dsa/mv88e6xxx.h>
16 #include <linux/etherdevice.h>
17 #include <linux/ethtool.h>
18 #include <linux/if_bridge.h>
19 #include <linux/interrupt.h>
20 #include <linux/irq.h>
21 #include <linux/irqdomain.h>
22 #include <linux/jiffies.h>
23 #include <linux/list.h>
24 #include <linux/mdio.h>
25 #include <linux/module.h>
26 #include <linux/of_device.h>
27 #include <linux/of_irq.h>
28 #include <linux/of_mdio.h>
29 #include <linux/platform_data/mv88e6xxx.h>
30 #include <linux/netdevice.h>
31 #include <linux/gpio/consumer.h>
32 #include <linux/phylink.h>
33 #include <net/dsa.h>
34 
35 #include "chip.h"
36 #include "devlink.h"
37 #include "global1.h"
38 #include "global2.h"
39 #include "hwtstamp.h"
40 #include "phy.h"
41 #include "port.h"
42 #include "ptp.h"
43 #include "serdes.h"
44 #include "smi.h"
45 
assert_reg_lock(struct mv88e6xxx_chip * chip)46 static void assert_reg_lock(struct mv88e6xxx_chip *chip)
47 {
48 	if (unlikely(!mutex_is_locked(&chip->reg_lock))) {
49 		dev_err(chip->dev, "Switch registers lock not held!\n");
50 		dump_stack();
51 	}
52 }
53 
mv88e6xxx_read(struct mv88e6xxx_chip * chip,int addr,int reg,u16 * val)54 int mv88e6xxx_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val)
55 {
56 	int err;
57 
58 	assert_reg_lock(chip);
59 
60 	err = mv88e6xxx_smi_read(chip, addr, reg, val);
61 	if (err)
62 		return err;
63 
64 	dev_dbg(chip->dev, "<- addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
65 		addr, reg, *val);
66 
67 	return 0;
68 }
69 
mv88e6xxx_write(struct mv88e6xxx_chip * chip,int addr,int reg,u16 val)70 int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val)
71 {
72 	int err;
73 
74 	assert_reg_lock(chip);
75 
76 	err = mv88e6xxx_smi_write(chip, addr, reg, val);
77 	if (err)
78 		return err;
79 
80 	dev_dbg(chip->dev, "-> addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
81 		addr, reg, val);
82 
83 	return 0;
84 }
85 
mv88e6xxx_wait_mask(struct mv88e6xxx_chip * chip,int addr,int reg,u16 mask,u16 val)86 int mv88e6xxx_wait_mask(struct mv88e6xxx_chip *chip, int addr, int reg,
87 			u16 mask, u16 val)
88 {
89 	u16 data;
90 	int err;
91 	int i;
92 
93 	/* There's no bus specific operation to wait for a mask */
94 	for (i = 0; i < 16; i++) {
95 		err = mv88e6xxx_read(chip, addr, reg, &data);
96 		if (err)
97 			return err;
98 
99 		if ((data & mask) == val)
100 			return 0;
101 
102 		usleep_range(1000, 2000);
103 	}
104 
105 	dev_err(chip->dev, "Timeout while waiting for switch\n");
106 	return -ETIMEDOUT;
107 }
108 
mv88e6xxx_wait_bit(struct mv88e6xxx_chip * chip,int addr,int reg,int bit,int val)109 int mv88e6xxx_wait_bit(struct mv88e6xxx_chip *chip, int addr, int reg,
110 		       int bit, int val)
111 {
112 	return mv88e6xxx_wait_mask(chip, addr, reg, BIT(bit),
113 				   val ? BIT(bit) : 0x0000);
114 }
115 
mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip * chip)116 struct mii_bus *mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip *chip)
117 {
118 	struct mv88e6xxx_mdio_bus *mdio_bus;
119 
120 	mdio_bus = list_first_entry(&chip->mdios, struct mv88e6xxx_mdio_bus,
121 				    list);
122 	if (!mdio_bus)
123 		return NULL;
124 
125 	return mdio_bus->bus;
126 }
127 
mv88e6xxx_g1_irq_mask(struct irq_data * d)128 static void mv88e6xxx_g1_irq_mask(struct irq_data *d)
129 {
130 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
131 	unsigned int n = d->hwirq;
132 
133 	chip->g1_irq.masked |= (1 << n);
134 }
135 
mv88e6xxx_g1_irq_unmask(struct irq_data * d)136 static void mv88e6xxx_g1_irq_unmask(struct irq_data *d)
137 {
138 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
139 	unsigned int n = d->hwirq;
140 
141 	chip->g1_irq.masked &= ~(1 << n);
142 }
143 
mv88e6xxx_g1_irq_thread_work(struct mv88e6xxx_chip * chip)144 static irqreturn_t mv88e6xxx_g1_irq_thread_work(struct mv88e6xxx_chip *chip)
145 {
146 	unsigned int nhandled = 0;
147 	unsigned int sub_irq;
148 	unsigned int n;
149 	u16 reg;
150 	u16 ctl1;
151 	int err;
152 
153 	mv88e6xxx_reg_lock(chip);
154 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
155 	mv88e6xxx_reg_unlock(chip);
156 
157 	if (err)
158 		goto out;
159 
160 	do {
161 		for (n = 0; n < chip->g1_irq.nirqs; ++n) {
162 			if (reg & (1 << n)) {
163 				sub_irq = irq_find_mapping(chip->g1_irq.domain,
164 							   n);
165 				handle_nested_irq(sub_irq);
166 				++nhandled;
167 			}
168 		}
169 
170 		mv88e6xxx_reg_lock(chip);
171 		err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &ctl1);
172 		if (err)
173 			goto unlock;
174 		err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
175 unlock:
176 		mv88e6xxx_reg_unlock(chip);
177 		if (err)
178 			goto out;
179 		ctl1 &= GENMASK(chip->g1_irq.nirqs, 0);
180 	} while (reg & ctl1);
181 
182 out:
183 	return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE);
184 }
185 
mv88e6xxx_g1_irq_thread_fn(int irq,void * dev_id)186 static irqreturn_t mv88e6xxx_g1_irq_thread_fn(int irq, void *dev_id)
187 {
188 	struct mv88e6xxx_chip *chip = dev_id;
189 
190 	return mv88e6xxx_g1_irq_thread_work(chip);
191 }
192 
mv88e6xxx_g1_irq_bus_lock(struct irq_data * d)193 static void mv88e6xxx_g1_irq_bus_lock(struct irq_data *d)
194 {
195 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
196 
197 	mv88e6xxx_reg_lock(chip);
198 }
199 
mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data * d)200 static void mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data *d)
201 {
202 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
203 	u16 mask = GENMASK(chip->g1_irq.nirqs, 0);
204 	u16 reg;
205 	int err;
206 
207 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &reg);
208 	if (err)
209 		goto out;
210 
211 	reg &= ~mask;
212 	reg |= (~chip->g1_irq.masked & mask);
213 
214 	err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, reg);
215 	if (err)
216 		goto out;
217 
218 out:
219 	mv88e6xxx_reg_unlock(chip);
220 }
221 
222 static const struct irq_chip mv88e6xxx_g1_irq_chip = {
223 	.name			= "mv88e6xxx-g1",
224 	.irq_mask		= mv88e6xxx_g1_irq_mask,
225 	.irq_unmask		= mv88e6xxx_g1_irq_unmask,
226 	.irq_bus_lock		= mv88e6xxx_g1_irq_bus_lock,
227 	.irq_bus_sync_unlock	= mv88e6xxx_g1_irq_bus_sync_unlock,
228 };
229 
mv88e6xxx_g1_irq_domain_map(struct irq_domain * d,unsigned int irq,irq_hw_number_t hwirq)230 static int mv88e6xxx_g1_irq_domain_map(struct irq_domain *d,
231 				       unsigned int irq,
232 				       irq_hw_number_t hwirq)
233 {
234 	struct mv88e6xxx_chip *chip = d->host_data;
235 
236 	irq_set_chip_data(irq, d->host_data);
237 	irq_set_chip_and_handler(irq, &chip->g1_irq.chip, handle_level_irq);
238 	irq_set_noprobe(irq);
239 
240 	return 0;
241 }
242 
243 static const struct irq_domain_ops mv88e6xxx_g1_irq_domain_ops = {
244 	.map	= mv88e6xxx_g1_irq_domain_map,
245 	.xlate	= irq_domain_xlate_twocell,
246 };
247 
248 /* To be called with reg_lock held */
mv88e6xxx_g1_irq_free_common(struct mv88e6xxx_chip * chip)249 static void mv88e6xxx_g1_irq_free_common(struct mv88e6xxx_chip *chip)
250 {
251 	int irq, virq;
252 	u16 mask;
253 
254 	mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
255 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
256 	mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
257 
258 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++) {
259 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
260 		irq_dispose_mapping(virq);
261 	}
262 
263 	irq_domain_remove(chip->g1_irq.domain);
264 }
265 
mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip * chip)266 static void mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip *chip)
267 {
268 	/*
269 	 * free_irq must be called without reg_lock taken because the irq
270 	 * handler takes this lock, too.
271 	 */
272 	free_irq(chip->irq, chip);
273 
274 	mv88e6xxx_reg_lock(chip);
275 	mv88e6xxx_g1_irq_free_common(chip);
276 	mv88e6xxx_reg_unlock(chip);
277 }
278 
mv88e6xxx_g1_irq_setup_common(struct mv88e6xxx_chip * chip)279 static int mv88e6xxx_g1_irq_setup_common(struct mv88e6xxx_chip *chip)
280 {
281 	int err, irq, virq;
282 	u16 reg, mask;
283 
284 	chip->g1_irq.nirqs = chip->info->g1_irqs;
285 	chip->g1_irq.domain = irq_domain_add_simple(
286 		NULL, chip->g1_irq.nirqs, 0,
287 		&mv88e6xxx_g1_irq_domain_ops, chip);
288 	if (!chip->g1_irq.domain)
289 		return -ENOMEM;
290 
291 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++)
292 		irq_create_mapping(chip->g1_irq.domain, irq);
293 
294 	chip->g1_irq.chip = mv88e6xxx_g1_irq_chip;
295 	chip->g1_irq.masked = ~0;
296 
297 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
298 	if (err)
299 		goto out_mapping;
300 
301 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
302 
303 	err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
304 	if (err)
305 		goto out_disable;
306 
307 	/* Reading the interrupt status clears (most of) them */
308 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
309 	if (err)
310 		goto out_disable;
311 
312 	return 0;
313 
314 out_disable:
315 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
316 	mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
317 
318 out_mapping:
319 	for (irq = 0; irq < 16; irq++) {
320 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
321 		irq_dispose_mapping(virq);
322 	}
323 
324 	irq_domain_remove(chip->g1_irq.domain);
325 
326 	return err;
327 }
328 
mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip * chip)329 static int mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip *chip)
330 {
331 	static struct lock_class_key lock_key;
332 	static struct lock_class_key request_key;
333 	int err;
334 
335 	err = mv88e6xxx_g1_irq_setup_common(chip);
336 	if (err)
337 		return err;
338 
339 	/* These lock classes tells lockdep that global 1 irqs are in
340 	 * a different category than their parent GPIO, so it won't
341 	 * report false recursion.
342 	 */
343 	irq_set_lockdep_class(chip->irq, &lock_key, &request_key);
344 
345 	snprintf(chip->irq_name, sizeof(chip->irq_name),
346 		 "mv88e6xxx-%s", dev_name(chip->dev));
347 
348 	mv88e6xxx_reg_unlock(chip);
349 	err = request_threaded_irq(chip->irq, NULL,
350 				   mv88e6xxx_g1_irq_thread_fn,
351 				   IRQF_ONESHOT | IRQF_SHARED,
352 				   chip->irq_name, chip);
353 	mv88e6xxx_reg_lock(chip);
354 	if (err)
355 		mv88e6xxx_g1_irq_free_common(chip);
356 
357 	return err;
358 }
359 
mv88e6xxx_irq_poll(struct kthread_work * work)360 static void mv88e6xxx_irq_poll(struct kthread_work *work)
361 {
362 	struct mv88e6xxx_chip *chip = container_of(work,
363 						   struct mv88e6xxx_chip,
364 						   irq_poll_work.work);
365 	mv88e6xxx_g1_irq_thread_work(chip);
366 
367 	kthread_queue_delayed_work(chip->kworker, &chip->irq_poll_work,
368 				   msecs_to_jiffies(100));
369 }
370 
mv88e6xxx_irq_poll_setup(struct mv88e6xxx_chip * chip)371 static int mv88e6xxx_irq_poll_setup(struct mv88e6xxx_chip *chip)
372 {
373 	int err;
374 
375 	err = mv88e6xxx_g1_irq_setup_common(chip);
376 	if (err)
377 		return err;
378 
379 	kthread_init_delayed_work(&chip->irq_poll_work,
380 				  mv88e6xxx_irq_poll);
381 
382 	chip->kworker = kthread_create_worker(0, "%s", dev_name(chip->dev));
383 	if (IS_ERR(chip->kworker))
384 		return PTR_ERR(chip->kworker);
385 
386 	kthread_queue_delayed_work(chip->kworker, &chip->irq_poll_work,
387 				   msecs_to_jiffies(100));
388 
389 	return 0;
390 }
391 
mv88e6xxx_irq_poll_free(struct mv88e6xxx_chip * chip)392 static void mv88e6xxx_irq_poll_free(struct mv88e6xxx_chip *chip)
393 {
394 	kthread_cancel_delayed_work_sync(&chip->irq_poll_work);
395 	kthread_destroy_worker(chip->kworker);
396 
397 	mv88e6xxx_reg_lock(chip);
398 	mv88e6xxx_g1_irq_free_common(chip);
399 	mv88e6xxx_reg_unlock(chip);
400 }
401 
mv88e6xxx_port_config_interface(struct mv88e6xxx_chip * chip,int port,phy_interface_t interface)402 static int mv88e6xxx_port_config_interface(struct mv88e6xxx_chip *chip,
403 					   int port, phy_interface_t interface)
404 {
405 	int err;
406 
407 	if (chip->info->ops->port_set_rgmii_delay) {
408 		err = chip->info->ops->port_set_rgmii_delay(chip, port,
409 							    interface);
410 		if (err && err != -EOPNOTSUPP)
411 			return err;
412 	}
413 
414 	if (chip->info->ops->port_set_cmode) {
415 		err = chip->info->ops->port_set_cmode(chip, port,
416 						      interface);
417 		if (err && err != -EOPNOTSUPP)
418 			return err;
419 	}
420 
421 	return 0;
422 }
423 
mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip * chip,int port,int link,int speed,int duplex,int pause,phy_interface_t mode)424 static int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port,
425 				    int link, int speed, int duplex, int pause,
426 				    phy_interface_t mode)
427 {
428 	int err;
429 
430 	if (!chip->info->ops->port_set_link)
431 		return 0;
432 
433 	/* Port's MAC control must not be changed unless the link is down */
434 	err = chip->info->ops->port_set_link(chip, port, LINK_FORCED_DOWN);
435 	if (err)
436 		return err;
437 
438 	if (chip->info->ops->port_set_speed_duplex) {
439 		err = chip->info->ops->port_set_speed_duplex(chip, port,
440 							     speed, duplex);
441 		if (err && err != -EOPNOTSUPP)
442 			goto restore_link;
443 	}
444 
445 	if (speed == SPEED_MAX && chip->info->ops->port_max_speed_mode)
446 		mode = chip->info->ops->port_max_speed_mode(port);
447 
448 	if (chip->info->ops->port_set_pause) {
449 		err = chip->info->ops->port_set_pause(chip, port, pause);
450 		if (err)
451 			goto restore_link;
452 	}
453 
454 	err = mv88e6xxx_port_config_interface(chip, port, mode);
455 restore_link:
456 	if (chip->info->ops->port_set_link(chip, port, link))
457 		dev_err(chip->dev, "p%d: failed to restore MAC's link\n", port);
458 
459 	return err;
460 }
461 
mv88e6xxx_phy_is_internal(struct dsa_switch * ds,int port)462 static int mv88e6xxx_phy_is_internal(struct dsa_switch *ds, int port)
463 {
464 	struct mv88e6xxx_chip *chip = ds->priv;
465 
466 	return port < chip->info->num_internal_phys;
467 }
468 
mv88e6xxx_port_ppu_updates(struct mv88e6xxx_chip * chip,int port)469 static int mv88e6xxx_port_ppu_updates(struct mv88e6xxx_chip *chip, int port)
470 {
471 	u16 reg;
472 	int err;
473 
474 	/* The 88e6250 family does not have the PHY detect bit. Instead,
475 	 * report whether the port is internal.
476 	 */
477 	if (chip->info->family == MV88E6XXX_FAMILY_6250)
478 		return port < chip->info->num_internal_phys;
479 
480 	err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, &reg);
481 	if (err) {
482 		dev_err(chip->dev,
483 			"p%d: %s: failed to read port status\n",
484 			port, __func__);
485 		return err;
486 	}
487 
488 	return !!(reg & MV88E6XXX_PORT_STS_PHY_DETECT);
489 }
490 
mv88e6xxx_serdes_pcs_get_state(struct dsa_switch * ds,int port,struct phylink_link_state * state)491 static int mv88e6xxx_serdes_pcs_get_state(struct dsa_switch *ds, int port,
492 					  struct phylink_link_state *state)
493 {
494 	struct mv88e6xxx_chip *chip = ds->priv;
495 	int lane;
496 	int err;
497 
498 	mv88e6xxx_reg_lock(chip);
499 	lane = mv88e6xxx_serdes_get_lane(chip, port);
500 	if (lane >= 0 && chip->info->ops->serdes_pcs_get_state)
501 		err = chip->info->ops->serdes_pcs_get_state(chip, port, lane,
502 							    state);
503 	else
504 		err = -EOPNOTSUPP;
505 	mv88e6xxx_reg_unlock(chip);
506 
507 	return err;
508 }
509 
mv88e6xxx_serdes_pcs_config(struct mv88e6xxx_chip * chip,int port,unsigned int mode,phy_interface_t interface,const unsigned long * advertise)510 static int mv88e6xxx_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port,
511 				       unsigned int mode,
512 				       phy_interface_t interface,
513 				       const unsigned long *advertise)
514 {
515 	const struct mv88e6xxx_ops *ops = chip->info->ops;
516 	int lane;
517 
518 	if (ops->serdes_pcs_config) {
519 		lane = mv88e6xxx_serdes_get_lane(chip, port);
520 		if (lane >= 0)
521 			return ops->serdes_pcs_config(chip, port, lane, mode,
522 						      interface, advertise);
523 	}
524 
525 	return 0;
526 }
527 
mv88e6xxx_serdes_pcs_an_restart(struct dsa_switch * ds,int port)528 static void mv88e6xxx_serdes_pcs_an_restart(struct dsa_switch *ds, int port)
529 {
530 	struct mv88e6xxx_chip *chip = ds->priv;
531 	const struct mv88e6xxx_ops *ops;
532 	int err = 0;
533 	int lane;
534 
535 	ops = chip->info->ops;
536 
537 	if (ops->serdes_pcs_an_restart) {
538 		mv88e6xxx_reg_lock(chip);
539 		lane = mv88e6xxx_serdes_get_lane(chip, port);
540 		if (lane >= 0)
541 			err = ops->serdes_pcs_an_restart(chip, port, lane);
542 		mv88e6xxx_reg_unlock(chip);
543 
544 		if (err)
545 			dev_err(ds->dev, "p%d: failed to restart AN\n", port);
546 	}
547 }
548 
mv88e6xxx_serdes_pcs_link_up(struct mv88e6xxx_chip * chip,int port,unsigned int mode,int speed,int duplex)549 static int mv88e6xxx_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port,
550 					unsigned int mode,
551 					int speed, int duplex)
552 {
553 	const struct mv88e6xxx_ops *ops = chip->info->ops;
554 	int lane;
555 
556 	if (!phylink_autoneg_inband(mode) && ops->serdes_pcs_link_up) {
557 		lane = mv88e6xxx_serdes_get_lane(chip, port);
558 		if (lane >= 0)
559 			return ops->serdes_pcs_link_up(chip, port, lane,
560 						       speed, duplex);
561 	}
562 
563 	return 0;
564 }
565 
mv88e6065_phylink_validate(struct mv88e6xxx_chip * chip,int port,unsigned long * mask,struct phylink_link_state * state)566 static void mv88e6065_phylink_validate(struct mv88e6xxx_chip *chip, int port,
567 				       unsigned long *mask,
568 				       struct phylink_link_state *state)
569 {
570 	if (!phy_interface_mode_is_8023z(state->interface)) {
571 		/* 10M and 100M are only supported in non-802.3z mode */
572 		phylink_set(mask, 10baseT_Half);
573 		phylink_set(mask, 10baseT_Full);
574 		phylink_set(mask, 100baseT_Half);
575 		phylink_set(mask, 100baseT_Full);
576 	}
577 }
578 
mv88e6185_phylink_validate(struct mv88e6xxx_chip * chip,int port,unsigned long * mask,struct phylink_link_state * state)579 static void mv88e6185_phylink_validate(struct mv88e6xxx_chip *chip, int port,
580 				       unsigned long *mask,
581 				       struct phylink_link_state *state)
582 {
583 	/* FIXME: if the port is in 1000Base-X mode, then it only supports
584 	 * 1000M FD speeds.  In this case, CMODE will indicate 5.
585 	 */
586 	phylink_set(mask, 1000baseT_Full);
587 	phylink_set(mask, 1000baseX_Full);
588 
589 	mv88e6065_phylink_validate(chip, port, mask, state);
590 }
591 
mv88e6341_phylink_validate(struct mv88e6xxx_chip * chip,int port,unsigned long * mask,struct phylink_link_state * state)592 static void mv88e6341_phylink_validate(struct mv88e6xxx_chip *chip, int port,
593 				       unsigned long *mask,
594 				       struct phylink_link_state *state)
595 {
596 	if (port >= 5)
597 		phylink_set(mask, 2500baseX_Full);
598 
599 	/* No ethtool bits for 200Mbps */
600 	phylink_set(mask, 1000baseT_Full);
601 	phylink_set(mask, 1000baseX_Full);
602 
603 	mv88e6065_phylink_validate(chip, port, mask, state);
604 }
605 
mv88e6352_phylink_validate(struct mv88e6xxx_chip * chip,int port,unsigned long * mask,struct phylink_link_state * state)606 static void mv88e6352_phylink_validate(struct mv88e6xxx_chip *chip, int port,
607 				       unsigned long *mask,
608 				       struct phylink_link_state *state)
609 {
610 	/* No ethtool bits for 200Mbps */
611 	phylink_set(mask, 1000baseT_Full);
612 	phylink_set(mask, 1000baseX_Full);
613 
614 	mv88e6065_phylink_validate(chip, port, mask, state);
615 }
616 
mv88e6390_phylink_validate(struct mv88e6xxx_chip * chip,int port,unsigned long * mask,struct phylink_link_state * state)617 static void mv88e6390_phylink_validate(struct mv88e6xxx_chip *chip, int port,
618 				       unsigned long *mask,
619 				       struct phylink_link_state *state)
620 {
621 	if (port >= 9) {
622 		phylink_set(mask, 2500baseX_Full);
623 		phylink_set(mask, 2500baseT_Full);
624 	}
625 
626 	/* No ethtool bits for 200Mbps */
627 	phylink_set(mask, 1000baseT_Full);
628 	phylink_set(mask, 1000baseX_Full);
629 
630 	mv88e6065_phylink_validate(chip, port, mask, state);
631 }
632 
mv88e6390x_phylink_validate(struct mv88e6xxx_chip * chip,int port,unsigned long * mask,struct phylink_link_state * state)633 static void mv88e6390x_phylink_validate(struct mv88e6xxx_chip *chip, int port,
634 					unsigned long *mask,
635 					struct phylink_link_state *state)
636 {
637 	if (port >= 9) {
638 		phylink_set(mask, 10000baseT_Full);
639 		phylink_set(mask, 10000baseKR_Full);
640 	}
641 
642 	mv88e6390_phylink_validate(chip, port, mask, state);
643 }
644 
mv88e6393x_phylink_validate(struct mv88e6xxx_chip * chip,int port,unsigned long * mask,struct phylink_link_state * state)645 static void mv88e6393x_phylink_validate(struct mv88e6xxx_chip *chip, int port,
646 					unsigned long *mask,
647 					struct phylink_link_state *state)
648 {
649 	bool is_6191x =
650 		chip->info->prod_num == MV88E6XXX_PORT_SWITCH_ID_PROD_6191X;
651 
652 	if (((port == 0 || port == 9) && !is_6191x) || port == 10) {
653 		phylink_set(mask, 10000baseT_Full);
654 		phylink_set(mask, 10000baseKR_Full);
655 		phylink_set(mask, 10000baseCR_Full);
656 		phylink_set(mask, 10000baseSR_Full);
657 		phylink_set(mask, 10000baseLR_Full);
658 		phylink_set(mask, 10000baseLRM_Full);
659 		phylink_set(mask, 10000baseER_Full);
660 		phylink_set(mask, 5000baseT_Full);
661 		phylink_set(mask, 2500baseX_Full);
662 		phylink_set(mask, 2500baseT_Full);
663 	}
664 
665 	phylink_set(mask, 1000baseT_Full);
666 	phylink_set(mask, 1000baseX_Full);
667 
668 	mv88e6065_phylink_validate(chip, port, mask, state);
669 }
670 
mv88e6xxx_validate(struct dsa_switch * ds,int port,unsigned long * supported,struct phylink_link_state * state)671 static void mv88e6xxx_validate(struct dsa_switch *ds, int port,
672 			       unsigned long *supported,
673 			       struct phylink_link_state *state)
674 {
675 	__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
676 	struct mv88e6xxx_chip *chip = ds->priv;
677 
678 	/* Allow all the expected bits */
679 	phylink_set(mask, Autoneg);
680 	phylink_set(mask, Pause);
681 	phylink_set_port_modes(mask);
682 
683 	if (chip->info->ops->phylink_validate)
684 		chip->info->ops->phylink_validate(chip, port, mask, state);
685 
686 	bitmap_and(supported, supported, mask, __ETHTOOL_LINK_MODE_MASK_NBITS);
687 	bitmap_and(state->advertising, state->advertising, mask,
688 		   __ETHTOOL_LINK_MODE_MASK_NBITS);
689 
690 	/* We can only operate at 2500BaseX or 1000BaseX.  If requested
691 	 * to advertise both, only report advertising at 2500BaseX.
692 	 */
693 	phylink_helper_basex_speed(state);
694 }
695 
mv88e6xxx_mac_config(struct dsa_switch * ds,int port,unsigned int mode,const struct phylink_link_state * state)696 static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port,
697 				 unsigned int mode,
698 				 const struct phylink_link_state *state)
699 {
700 	struct mv88e6xxx_chip *chip = ds->priv;
701 	struct mv88e6xxx_port *p;
702 	int err = 0;
703 
704 	p = &chip->ports[port];
705 
706 	mv88e6xxx_reg_lock(chip);
707 
708 	if (mode != MLO_AN_PHY || !mv88e6xxx_phy_is_internal(ds, port)) {
709 		/* In inband mode, the link may come up at any time while the
710 		 * link is not forced down. Force the link down while we
711 		 * reconfigure the interface mode.
712 		 */
713 		if (mode == MLO_AN_INBAND &&
714 		    p->interface != state->interface &&
715 		    chip->info->ops->port_set_link)
716 			chip->info->ops->port_set_link(chip, port,
717 						       LINK_FORCED_DOWN);
718 
719 		err = mv88e6xxx_port_config_interface(chip, port,
720 						      state->interface);
721 		if (err && err != -EOPNOTSUPP)
722 			goto err_unlock;
723 
724 		err = mv88e6xxx_serdes_pcs_config(chip, port, mode,
725 						  state->interface,
726 						  state->advertising);
727 		/* FIXME: we should restart negotiation if something changed -
728 		 * which is something we get if we convert to using phylinks
729 		 * PCS operations.
730 		 */
731 		if (err > 0)
732 			err = 0;
733 	}
734 
735 	/* Undo the forced down state above after completing configuration
736 	 * irrespective of its state on entry, which allows the link to come
737 	 * up in the in-band case where there is no separate SERDES. Also
738 	 * ensure that the link can come up if the PPU is in use and we are
739 	 * in PHY mode (we treat the PPU as an effective in-band mechanism.)
740 	 */
741 	if (chip->info->ops->port_set_link &&
742 	    ((mode == MLO_AN_INBAND && p->interface != state->interface) ||
743 	     (mode == MLO_AN_PHY && mv88e6xxx_port_ppu_updates(chip, port))))
744 		chip->info->ops->port_set_link(chip, port, LINK_UNFORCED);
745 
746 	p->interface = state->interface;
747 
748 err_unlock:
749 	mv88e6xxx_reg_unlock(chip);
750 
751 	if (err && err != -EOPNOTSUPP)
752 		dev_err(ds->dev, "p%d: failed to configure MAC/PCS\n", port);
753 }
754 
mv88e6xxx_mac_link_down(struct dsa_switch * ds,int port,unsigned int mode,phy_interface_t interface)755 static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port,
756 				    unsigned int mode,
757 				    phy_interface_t interface)
758 {
759 	struct mv88e6xxx_chip *chip = ds->priv;
760 	const struct mv88e6xxx_ops *ops;
761 	int err = 0;
762 
763 	ops = chip->info->ops;
764 
765 	mv88e6xxx_reg_lock(chip);
766 	/* Force the link down if we know the port may not be automatically
767 	 * updated by the switch or if we are using fixed-link mode.
768 	 */
769 	if ((!mv88e6xxx_port_ppu_updates(chip, port) ||
770 	     mode == MLO_AN_FIXED) && ops->port_sync_link)
771 		err = ops->port_sync_link(chip, port, mode, false);
772 
773 	if (!err && ops->port_set_speed_duplex)
774 		err = ops->port_set_speed_duplex(chip, port, SPEED_UNFORCED,
775 						 DUPLEX_UNFORCED);
776 	mv88e6xxx_reg_unlock(chip);
777 
778 	if (err)
779 		dev_err(chip->dev,
780 			"p%d: failed to force MAC link down\n", port);
781 }
782 
mv88e6xxx_mac_link_up(struct dsa_switch * ds,int port,unsigned int mode,phy_interface_t interface,struct phy_device * phydev,int speed,int duplex,bool tx_pause,bool rx_pause)783 static void mv88e6xxx_mac_link_up(struct dsa_switch *ds, int port,
784 				  unsigned int mode, phy_interface_t interface,
785 				  struct phy_device *phydev,
786 				  int speed, int duplex,
787 				  bool tx_pause, bool rx_pause)
788 {
789 	struct mv88e6xxx_chip *chip = ds->priv;
790 	const struct mv88e6xxx_ops *ops;
791 	int err = 0;
792 
793 	ops = chip->info->ops;
794 
795 	mv88e6xxx_reg_lock(chip);
796 	/* Configure and force the link up if we know that the port may not
797 	 * automatically updated by the switch or if we are using fixed-link
798 	 * mode.
799 	 */
800 	if (!mv88e6xxx_port_ppu_updates(chip, port) ||
801 	    mode == MLO_AN_FIXED) {
802 		/* FIXME: for an automedia port, should we force the link
803 		 * down here - what if the link comes up due to "other" media
804 		 * while we're bringing the port up, how is the exclusivity
805 		 * handled in the Marvell hardware? E.g. port 2 on 88E6390
806 		 * shared between internal PHY and Serdes.
807 		 */
808 		err = mv88e6xxx_serdes_pcs_link_up(chip, port, mode, speed,
809 						   duplex);
810 		if (err)
811 			goto error;
812 
813 		if (ops->port_set_speed_duplex) {
814 			err = ops->port_set_speed_duplex(chip, port,
815 							 speed, duplex);
816 			if (err && err != -EOPNOTSUPP)
817 				goto error;
818 		}
819 
820 		if (ops->port_sync_link)
821 			err = ops->port_sync_link(chip, port, mode, true);
822 	}
823 error:
824 	mv88e6xxx_reg_unlock(chip);
825 
826 	if (err && err != -EOPNOTSUPP)
827 		dev_err(ds->dev,
828 			"p%d: failed to configure MAC link up\n", port);
829 }
830 
mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip * chip,int port)831 static int mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip *chip, int port)
832 {
833 	if (!chip->info->ops->stats_snapshot)
834 		return -EOPNOTSUPP;
835 
836 	return chip->info->ops->stats_snapshot(chip, port);
837 }
838 
839 static struct mv88e6xxx_hw_stat mv88e6xxx_hw_stats[] = {
840 	{ "in_good_octets",		8, 0x00, STATS_TYPE_BANK0, },
841 	{ "in_bad_octets",		4, 0x02, STATS_TYPE_BANK0, },
842 	{ "in_unicast",			4, 0x04, STATS_TYPE_BANK0, },
843 	{ "in_broadcasts",		4, 0x06, STATS_TYPE_BANK0, },
844 	{ "in_multicasts",		4, 0x07, STATS_TYPE_BANK0, },
845 	{ "in_pause",			4, 0x16, STATS_TYPE_BANK0, },
846 	{ "in_undersize",		4, 0x18, STATS_TYPE_BANK0, },
847 	{ "in_fragments",		4, 0x19, STATS_TYPE_BANK0, },
848 	{ "in_oversize",		4, 0x1a, STATS_TYPE_BANK0, },
849 	{ "in_jabber",			4, 0x1b, STATS_TYPE_BANK0, },
850 	{ "in_rx_error",		4, 0x1c, STATS_TYPE_BANK0, },
851 	{ "in_fcs_error",		4, 0x1d, STATS_TYPE_BANK0, },
852 	{ "out_octets",			8, 0x0e, STATS_TYPE_BANK0, },
853 	{ "out_unicast",		4, 0x10, STATS_TYPE_BANK0, },
854 	{ "out_broadcasts",		4, 0x13, STATS_TYPE_BANK0, },
855 	{ "out_multicasts",		4, 0x12, STATS_TYPE_BANK0, },
856 	{ "out_pause",			4, 0x15, STATS_TYPE_BANK0, },
857 	{ "excessive",			4, 0x11, STATS_TYPE_BANK0, },
858 	{ "collisions",			4, 0x1e, STATS_TYPE_BANK0, },
859 	{ "deferred",			4, 0x05, STATS_TYPE_BANK0, },
860 	{ "single",			4, 0x14, STATS_TYPE_BANK0, },
861 	{ "multiple",			4, 0x17, STATS_TYPE_BANK0, },
862 	{ "out_fcs_error",		4, 0x03, STATS_TYPE_BANK0, },
863 	{ "late",			4, 0x1f, STATS_TYPE_BANK0, },
864 	{ "hist_64bytes",		4, 0x08, STATS_TYPE_BANK0, },
865 	{ "hist_65_127bytes",		4, 0x09, STATS_TYPE_BANK0, },
866 	{ "hist_128_255bytes",		4, 0x0a, STATS_TYPE_BANK0, },
867 	{ "hist_256_511bytes",		4, 0x0b, STATS_TYPE_BANK0, },
868 	{ "hist_512_1023bytes",		4, 0x0c, STATS_TYPE_BANK0, },
869 	{ "hist_1024_max_bytes",	4, 0x0d, STATS_TYPE_BANK0, },
870 	{ "sw_in_discards",		4, 0x10, STATS_TYPE_PORT, },
871 	{ "sw_in_filtered",		2, 0x12, STATS_TYPE_PORT, },
872 	{ "sw_out_filtered",		2, 0x13, STATS_TYPE_PORT, },
873 	{ "in_discards",		4, 0x00, STATS_TYPE_BANK1, },
874 	{ "in_filtered",		4, 0x01, STATS_TYPE_BANK1, },
875 	{ "in_accepted",		4, 0x02, STATS_TYPE_BANK1, },
876 	{ "in_bad_accepted",		4, 0x03, STATS_TYPE_BANK1, },
877 	{ "in_good_avb_class_a",	4, 0x04, STATS_TYPE_BANK1, },
878 	{ "in_good_avb_class_b",	4, 0x05, STATS_TYPE_BANK1, },
879 	{ "in_bad_avb_class_a",		4, 0x06, STATS_TYPE_BANK1, },
880 	{ "in_bad_avb_class_b",		4, 0x07, STATS_TYPE_BANK1, },
881 	{ "tcam_counter_0",		4, 0x08, STATS_TYPE_BANK1, },
882 	{ "tcam_counter_1",		4, 0x09, STATS_TYPE_BANK1, },
883 	{ "tcam_counter_2",		4, 0x0a, STATS_TYPE_BANK1, },
884 	{ "tcam_counter_3",		4, 0x0b, STATS_TYPE_BANK1, },
885 	{ "in_da_unknown",		4, 0x0e, STATS_TYPE_BANK1, },
886 	{ "in_management",		4, 0x0f, STATS_TYPE_BANK1, },
887 	{ "out_queue_0",		4, 0x10, STATS_TYPE_BANK1, },
888 	{ "out_queue_1",		4, 0x11, STATS_TYPE_BANK1, },
889 	{ "out_queue_2",		4, 0x12, STATS_TYPE_BANK1, },
890 	{ "out_queue_3",		4, 0x13, STATS_TYPE_BANK1, },
891 	{ "out_queue_4",		4, 0x14, STATS_TYPE_BANK1, },
892 	{ "out_queue_5",		4, 0x15, STATS_TYPE_BANK1, },
893 	{ "out_queue_6",		4, 0x16, STATS_TYPE_BANK1, },
894 	{ "out_queue_7",		4, 0x17, STATS_TYPE_BANK1, },
895 	{ "out_cut_through",		4, 0x18, STATS_TYPE_BANK1, },
896 	{ "out_octets_a",		4, 0x1a, STATS_TYPE_BANK1, },
897 	{ "out_octets_b",		4, 0x1b, STATS_TYPE_BANK1, },
898 	{ "out_management",		4, 0x1f, STATS_TYPE_BANK1, },
899 };
900 
_mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip * chip,struct mv88e6xxx_hw_stat * s,int port,u16 bank1_select,u16 histogram)901 static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip,
902 					    struct mv88e6xxx_hw_stat *s,
903 					    int port, u16 bank1_select,
904 					    u16 histogram)
905 {
906 	u32 low;
907 	u32 high = 0;
908 	u16 reg = 0;
909 	int err;
910 	u64 value;
911 
912 	switch (s->type) {
913 	case STATS_TYPE_PORT:
914 		err = mv88e6xxx_port_read(chip, port, s->reg, &reg);
915 		if (err)
916 			return U64_MAX;
917 
918 		low = reg;
919 		if (s->size == 4) {
920 			err = mv88e6xxx_port_read(chip, port, s->reg + 1, &reg);
921 			if (err)
922 				return U64_MAX;
923 			low |= ((u32)reg) << 16;
924 		}
925 		break;
926 	case STATS_TYPE_BANK1:
927 		reg = bank1_select;
928 		fallthrough;
929 	case STATS_TYPE_BANK0:
930 		reg |= s->reg | histogram;
931 		mv88e6xxx_g1_stats_read(chip, reg, &low);
932 		if (s->size == 8)
933 			mv88e6xxx_g1_stats_read(chip, reg + 1, &high);
934 		break;
935 	default:
936 		return U64_MAX;
937 	}
938 	value = (((u64)high) << 32) | low;
939 	return value;
940 }
941 
mv88e6xxx_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data,int types)942 static int mv88e6xxx_stats_get_strings(struct mv88e6xxx_chip *chip,
943 				       uint8_t *data, int types)
944 {
945 	struct mv88e6xxx_hw_stat *stat;
946 	int i, j;
947 
948 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
949 		stat = &mv88e6xxx_hw_stats[i];
950 		if (stat->type & types) {
951 			memcpy(data + j * ETH_GSTRING_LEN, stat->string,
952 			       ETH_GSTRING_LEN);
953 			j++;
954 		}
955 	}
956 
957 	return j;
958 }
959 
mv88e6095_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data)960 static int mv88e6095_stats_get_strings(struct mv88e6xxx_chip *chip,
961 				       uint8_t *data)
962 {
963 	return mv88e6xxx_stats_get_strings(chip, data,
964 					   STATS_TYPE_BANK0 | STATS_TYPE_PORT);
965 }
966 
mv88e6250_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data)967 static int mv88e6250_stats_get_strings(struct mv88e6xxx_chip *chip,
968 				       uint8_t *data)
969 {
970 	return mv88e6xxx_stats_get_strings(chip, data, STATS_TYPE_BANK0);
971 }
972 
mv88e6320_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data)973 static int mv88e6320_stats_get_strings(struct mv88e6xxx_chip *chip,
974 				       uint8_t *data)
975 {
976 	return mv88e6xxx_stats_get_strings(chip, data,
977 					   STATS_TYPE_BANK0 | STATS_TYPE_BANK1);
978 }
979 
980 static const uint8_t *mv88e6xxx_atu_vtu_stats_strings[] = {
981 	"atu_member_violation",
982 	"atu_miss_violation",
983 	"atu_full_violation",
984 	"vtu_member_violation",
985 	"vtu_miss_violation",
986 };
987 
mv88e6xxx_atu_vtu_get_strings(uint8_t * data)988 static void mv88e6xxx_atu_vtu_get_strings(uint8_t *data)
989 {
990 	unsigned int i;
991 
992 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings); i++)
993 		strlcpy(data + i * ETH_GSTRING_LEN,
994 			mv88e6xxx_atu_vtu_stats_strings[i],
995 			ETH_GSTRING_LEN);
996 }
997 
mv88e6xxx_get_strings(struct dsa_switch * ds,int port,u32 stringset,uint8_t * data)998 static void mv88e6xxx_get_strings(struct dsa_switch *ds, int port,
999 				  u32 stringset, uint8_t *data)
1000 {
1001 	struct mv88e6xxx_chip *chip = ds->priv;
1002 	int count = 0;
1003 
1004 	if (stringset != ETH_SS_STATS)
1005 		return;
1006 
1007 	mv88e6xxx_reg_lock(chip);
1008 
1009 	if (chip->info->ops->stats_get_strings)
1010 		count = chip->info->ops->stats_get_strings(chip, data);
1011 
1012 	if (chip->info->ops->serdes_get_strings) {
1013 		data += count * ETH_GSTRING_LEN;
1014 		count = chip->info->ops->serdes_get_strings(chip, port, data);
1015 	}
1016 
1017 	data += count * ETH_GSTRING_LEN;
1018 	mv88e6xxx_atu_vtu_get_strings(data);
1019 
1020 	mv88e6xxx_reg_unlock(chip);
1021 }
1022 
mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip * chip,int types)1023 static int mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip *chip,
1024 					  int types)
1025 {
1026 	struct mv88e6xxx_hw_stat *stat;
1027 	int i, j;
1028 
1029 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
1030 		stat = &mv88e6xxx_hw_stats[i];
1031 		if (stat->type & types)
1032 			j++;
1033 	}
1034 	return j;
1035 }
1036 
mv88e6095_stats_get_sset_count(struct mv88e6xxx_chip * chip)1037 static int mv88e6095_stats_get_sset_count(struct mv88e6xxx_chip *chip)
1038 {
1039 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
1040 					      STATS_TYPE_PORT);
1041 }
1042 
mv88e6250_stats_get_sset_count(struct mv88e6xxx_chip * chip)1043 static int mv88e6250_stats_get_sset_count(struct mv88e6xxx_chip *chip)
1044 {
1045 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0);
1046 }
1047 
mv88e6320_stats_get_sset_count(struct mv88e6xxx_chip * chip)1048 static int mv88e6320_stats_get_sset_count(struct mv88e6xxx_chip *chip)
1049 {
1050 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
1051 					      STATS_TYPE_BANK1);
1052 }
1053 
mv88e6xxx_get_sset_count(struct dsa_switch * ds,int port,int sset)1054 static int mv88e6xxx_get_sset_count(struct dsa_switch *ds, int port, int sset)
1055 {
1056 	struct mv88e6xxx_chip *chip = ds->priv;
1057 	int serdes_count = 0;
1058 	int count = 0;
1059 
1060 	if (sset != ETH_SS_STATS)
1061 		return 0;
1062 
1063 	mv88e6xxx_reg_lock(chip);
1064 	if (chip->info->ops->stats_get_sset_count)
1065 		count = chip->info->ops->stats_get_sset_count(chip);
1066 	if (count < 0)
1067 		goto out;
1068 
1069 	if (chip->info->ops->serdes_get_sset_count)
1070 		serdes_count = chip->info->ops->serdes_get_sset_count(chip,
1071 								      port);
1072 	if (serdes_count < 0) {
1073 		count = serdes_count;
1074 		goto out;
1075 	}
1076 	count += serdes_count;
1077 	count += ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings);
1078 
1079 out:
1080 	mv88e6xxx_reg_unlock(chip);
1081 
1082 	return count;
1083 }
1084 
mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data,int types,u16 bank1_select,u16 histogram)1085 static int mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1086 				     uint64_t *data, int types,
1087 				     u16 bank1_select, u16 histogram)
1088 {
1089 	struct mv88e6xxx_hw_stat *stat;
1090 	int i, j;
1091 
1092 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
1093 		stat = &mv88e6xxx_hw_stats[i];
1094 		if (stat->type & types) {
1095 			mv88e6xxx_reg_lock(chip);
1096 			data[j] = _mv88e6xxx_get_ethtool_stat(chip, stat, port,
1097 							      bank1_select,
1098 							      histogram);
1099 			mv88e6xxx_reg_unlock(chip);
1100 
1101 			j++;
1102 		}
1103 	}
1104 	return j;
1105 }
1106 
mv88e6095_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1107 static int mv88e6095_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1108 				     uint64_t *data)
1109 {
1110 	return mv88e6xxx_stats_get_stats(chip, port, data,
1111 					 STATS_TYPE_BANK0 | STATS_TYPE_PORT,
1112 					 0, MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
1113 }
1114 
mv88e6250_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1115 static int mv88e6250_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1116 				     uint64_t *data)
1117 {
1118 	return mv88e6xxx_stats_get_stats(chip, port, data, STATS_TYPE_BANK0,
1119 					 0, MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
1120 }
1121 
mv88e6320_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1122 static int mv88e6320_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1123 				     uint64_t *data)
1124 {
1125 	return mv88e6xxx_stats_get_stats(chip, port, data,
1126 					 STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
1127 					 MV88E6XXX_G1_STATS_OP_BANK_1_BIT_9,
1128 					 MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
1129 }
1130 
mv88e6390_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1131 static int mv88e6390_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1132 				     uint64_t *data)
1133 {
1134 	return mv88e6xxx_stats_get_stats(chip, port, data,
1135 					 STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
1136 					 MV88E6XXX_G1_STATS_OP_BANK_1_BIT_10,
1137 					 0);
1138 }
1139 
mv88e6xxx_atu_vtu_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1140 static void mv88e6xxx_atu_vtu_get_stats(struct mv88e6xxx_chip *chip, int port,
1141 					uint64_t *data)
1142 {
1143 	*data++ = chip->ports[port].atu_member_violation;
1144 	*data++ = chip->ports[port].atu_miss_violation;
1145 	*data++ = chip->ports[port].atu_full_violation;
1146 	*data++ = chip->ports[port].vtu_member_violation;
1147 	*data++ = chip->ports[port].vtu_miss_violation;
1148 }
1149 
mv88e6xxx_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1150 static void mv88e6xxx_get_stats(struct mv88e6xxx_chip *chip, int port,
1151 				uint64_t *data)
1152 {
1153 	int count = 0;
1154 
1155 	if (chip->info->ops->stats_get_stats)
1156 		count = chip->info->ops->stats_get_stats(chip, port, data);
1157 
1158 	mv88e6xxx_reg_lock(chip);
1159 	if (chip->info->ops->serdes_get_stats) {
1160 		data += count;
1161 		count = chip->info->ops->serdes_get_stats(chip, port, data);
1162 	}
1163 	data += count;
1164 	mv88e6xxx_atu_vtu_get_stats(chip, port, data);
1165 	mv88e6xxx_reg_unlock(chip);
1166 }
1167 
mv88e6xxx_get_ethtool_stats(struct dsa_switch * ds,int port,uint64_t * data)1168 static void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds, int port,
1169 					uint64_t *data)
1170 {
1171 	struct mv88e6xxx_chip *chip = ds->priv;
1172 	int ret;
1173 
1174 	mv88e6xxx_reg_lock(chip);
1175 
1176 	ret = mv88e6xxx_stats_snapshot(chip, port);
1177 	mv88e6xxx_reg_unlock(chip);
1178 
1179 	if (ret < 0)
1180 		return;
1181 
1182 	mv88e6xxx_get_stats(chip, port, data);
1183 
1184 }
1185 
mv88e6xxx_get_regs_len(struct dsa_switch * ds,int port)1186 static int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port)
1187 {
1188 	struct mv88e6xxx_chip *chip = ds->priv;
1189 	int len;
1190 
1191 	len = 32 * sizeof(u16);
1192 	if (chip->info->ops->serdes_get_regs_len)
1193 		len += chip->info->ops->serdes_get_regs_len(chip, port);
1194 
1195 	return len;
1196 }
1197 
mv88e6xxx_get_regs(struct dsa_switch * ds,int port,struct ethtool_regs * regs,void * _p)1198 static void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,
1199 			       struct ethtool_regs *regs, void *_p)
1200 {
1201 	struct mv88e6xxx_chip *chip = ds->priv;
1202 	int err;
1203 	u16 reg;
1204 	u16 *p = _p;
1205 	int i;
1206 
1207 	regs->version = chip->info->prod_num;
1208 
1209 	memset(p, 0xff, 32 * sizeof(u16));
1210 
1211 	mv88e6xxx_reg_lock(chip);
1212 
1213 	for (i = 0; i < 32; i++) {
1214 
1215 		err = mv88e6xxx_port_read(chip, port, i, &reg);
1216 		if (!err)
1217 			p[i] = reg;
1218 	}
1219 
1220 	if (chip->info->ops->serdes_get_regs)
1221 		chip->info->ops->serdes_get_regs(chip, port, &p[i]);
1222 
1223 	mv88e6xxx_reg_unlock(chip);
1224 }
1225 
mv88e6xxx_get_mac_eee(struct dsa_switch * ds,int port,struct ethtool_eee * e)1226 static int mv88e6xxx_get_mac_eee(struct dsa_switch *ds, int port,
1227 				 struct ethtool_eee *e)
1228 {
1229 	/* Nothing to do on the port's MAC */
1230 	return 0;
1231 }
1232 
mv88e6xxx_set_mac_eee(struct dsa_switch * ds,int port,struct ethtool_eee * e)1233 static int mv88e6xxx_set_mac_eee(struct dsa_switch *ds, int port,
1234 				 struct ethtool_eee *e)
1235 {
1236 	/* Nothing to do on the port's MAC */
1237 	return 0;
1238 }
1239 
1240 /* Mask of the local ports allowed to receive frames from a given fabric port */
mv88e6xxx_port_vlan(struct mv88e6xxx_chip * chip,int dev,int port)1241 static u16 mv88e6xxx_port_vlan(struct mv88e6xxx_chip *chip, int dev, int port)
1242 {
1243 	struct dsa_switch *ds = chip->ds;
1244 	struct dsa_switch_tree *dst = ds->dst;
1245 	struct net_device *br;
1246 	struct dsa_port *dp;
1247 	bool found = false;
1248 	u16 pvlan;
1249 
1250 	/* dev is a physical switch */
1251 	if (dev <= dst->last_switch) {
1252 		list_for_each_entry(dp, &dst->ports, list) {
1253 			if (dp->ds->index == dev && dp->index == port) {
1254 				/* dp might be a DSA link or a user port, so it
1255 				 * might or might not have a bridge_dev
1256 				 * pointer. Use the "found" variable for both
1257 				 * cases.
1258 				 */
1259 				br = dp->bridge_dev;
1260 				found = true;
1261 				break;
1262 			}
1263 		}
1264 	/* dev is a virtual bridge */
1265 	} else {
1266 		list_for_each_entry(dp, &dst->ports, list) {
1267 			if (dp->bridge_num < 0)
1268 				continue;
1269 
1270 			if (dp->bridge_num + 1 + dst->last_switch != dev)
1271 				continue;
1272 
1273 			br = dp->bridge_dev;
1274 			found = true;
1275 			break;
1276 		}
1277 	}
1278 
1279 	/* Prevent frames from unknown switch or virtual bridge */
1280 	if (!found)
1281 		return 0;
1282 
1283 	/* Frames from DSA links and CPU ports can egress any local port */
1284 	if (dp->type == DSA_PORT_TYPE_CPU || dp->type == DSA_PORT_TYPE_DSA)
1285 		return mv88e6xxx_port_mask(chip);
1286 
1287 	pvlan = 0;
1288 
1289 	/* Frames from user ports can egress any local DSA links and CPU ports,
1290 	 * as well as any local member of their bridge group.
1291 	 */
1292 	list_for_each_entry(dp, &dst->ports, list)
1293 		if (dp->ds == ds &&
1294 		    (dp->type == DSA_PORT_TYPE_CPU ||
1295 		     dp->type == DSA_PORT_TYPE_DSA ||
1296 		     (br && dp->bridge_dev == br)))
1297 			pvlan |= BIT(dp->index);
1298 
1299 	return pvlan;
1300 }
1301 
mv88e6xxx_port_vlan_map(struct mv88e6xxx_chip * chip,int port)1302 static int mv88e6xxx_port_vlan_map(struct mv88e6xxx_chip *chip, int port)
1303 {
1304 	u16 output_ports = mv88e6xxx_port_vlan(chip, chip->ds->index, port);
1305 
1306 	/* prevent frames from going back out of the port they came in on */
1307 	output_ports &= ~BIT(port);
1308 
1309 	return mv88e6xxx_port_set_vlan_map(chip, port, output_ports);
1310 }
1311 
mv88e6xxx_port_stp_state_set(struct dsa_switch * ds,int port,u8 state)1312 static void mv88e6xxx_port_stp_state_set(struct dsa_switch *ds, int port,
1313 					 u8 state)
1314 {
1315 	struct mv88e6xxx_chip *chip = ds->priv;
1316 	int err;
1317 
1318 	mv88e6xxx_reg_lock(chip);
1319 	err = mv88e6xxx_port_set_state(chip, port, state);
1320 	mv88e6xxx_reg_unlock(chip);
1321 
1322 	if (err)
1323 		dev_err(ds->dev, "p%d: failed to update state\n", port);
1324 }
1325 
mv88e6xxx_pri_setup(struct mv88e6xxx_chip * chip)1326 static int mv88e6xxx_pri_setup(struct mv88e6xxx_chip *chip)
1327 {
1328 	int err;
1329 
1330 	if (chip->info->ops->ieee_pri_map) {
1331 		err = chip->info->ops->ieee_pri_map(chip);
1332 		if (err)
1333 			return err;
1334 	}
1335 
1336 	if (chip->info->ops->ip_pri_map) {
1337 		err = chip->info->ops->ip_pri_map(chip);
1338 		if (err)
1339 			return err;
1340 	}
1341 
1342 	return 0;
1343 }
1344 
mv88e6xxx_devmap_setup(struct mv88e6xxx_chip * chip)1345 static int mv88e6xxx_devmap_setup(struct mv88e6xxx_chip *chip)
1346 {
1347 	struct dsa_switch *ds = chip->ds;
1348 	int target, port;
1349 	int err;
1350 
1351 	if (!chip->info->global2_addr)
1352 		return 0;
1353 
1354 	/* Initialize the routing port to the 32 possible target devices */
1355 	for (target = 0; target < 32; target++) {
1356 		port = dsa_routing_port(ds, target);
1357 		if (port == ds->num_ports)
1358 			port = 0x1f;
1359 
1360 		err = mv88e6xxx_g2_device_mapping_write(chip, target, port);
1361 		if (err)
1362 			return err;
1363 	}
1364 
1365 	if (chip->info->ops->set_cascade_port) {
1366 		port = MV88E6XXX_CASCADE_PORT_MULTIPLE;
1367 		err = chip->info->ops->set_cascade_port(chip, port);
1368 		if (err)
1369 			return err;
1370 	}
1371 
1372 	err = mv88e6xxx_g1_set_device_number(chip, chip->ds->index);
1373 	if (err)
1374 		return err;
1375 
1376 	return 0;
1377 }
1378 
mv88e6xxx_trunk_setup(struct mv88e6xxx_chip * chip)1379 static int mv88e6xxx_trunk_setup(struct mv88e6xxx_chip *chip)
1380 {
1381 	/* Clear all trunk masks and mapping */
1382 	if (chip->info->global2_addr)
1383 		return mv88e6xxx_g2_trunk_clear(chip);
1384 
1385 	return 0;
1386 }
1387 
mv88e6xxx_rmu_setup(struct mv88e6xxx_chip * chip)1388 static int mv88e6xxx_rmu_setup(struct mv88e6xxx_chip *chip)
1389 {
1390 	if (chip->info->ops->rmu_disable)
1391 		return chip->info->ops->rmu_disable(chip);
1392 
1393 	return 0;
1394 }
1395 
mv88e6xxx_pot_setup(struct mv88e6xxx_chip * chip)1396 static int mv88e6xxx_pot_setup(struct mv88e6xxx_chip *chip)
1397 {
1398 	if (chip->info->ops->pot_clear)
1399 		return chip->info->ops->pot_clear(chip);
1400 
1401 	return 0;
1402 }
1403 
mv88e6xxx_rsvd2cpu_setup(struct mv88e6xxx_chip * chip)1404 static int mv88e6xxx_rsvd2cpu_setup(struct mv88e6xxx_chip *chip)
1405 {
1406 	if (chip->info->ops->mgmt_rsvd2cpu)
1407 		return chip->info->ops->mgmt_rsvd2cpu(chip);
1408 
1409 	return 0;
1410 }
1411 
mv88e6xxx_atu_setup(struct mv88e6xxx_chip * chip)1412 static int mv88e6xxx_atu_setup(struct mv88e6xxx_chip *chip)
1413 {
1414 	int err;
1415 
1416 	err = mv88e6xxx_g1_atu_flush(chip, 0, true);
1417 	if (err)
1418 		return err;
1419 
1420 	/* The chips that have a "learn2all" bit in Global1, ATU
1421 	 * Control are precisely those whose port registers have a
1422 	 * Message Port bit in Port Control 1 and hence implement
1423 	 * ->port_setup_message_port.
1424 	 */
1425 	if (chip->info->ops->port_setup_message_port) {
1426 		err = mv88e6xxx_g1_atu_set_learn2all(chip, true);
1427 		if (err)
1428 			return err;
1429 	}
1430 
1431 	return mv88e6xxx_g1_atu_set_age_time(chip, 300000);
1432 }
1433 
mv88e6xxx_irl_setup(struct mv88e6xxx_chip * chip)1434 static int mv88e6xxx_irl_setup(struct mv88e6xxx_chip *chip)
1435 {
1436 	int port;
1437 	int err;
1438 
1439 	if (!chip->info->ops->irl_init_all)
1440 		return 0;
1441 
1442 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
1443 		/* Disable ingress rate limiting by resetting all per port
1444 		 * ingress rate limit resources to their initial state.
1445 		 */
1446 		err = chip->info->ops->irl_init_all(chip, port);
1447 		if (err)
1448 			return err;
1449 	}
1450 
1451 	return 0;
1452 }
1453 
mv88e6xxx_mac_setup(struct mv88e6xxx_chip * chip)1454 static int mv88e6xxx_mac_setup(struct mv88e6xxx_chip *chip)
1455 {
1456 	if (chip->info->ops->set_switch_mac) {
1457 		u8 addr[ETH_ALEN];
1458 
1459 		eth_random_addr(addr);
1460 
1461 		return chip->info->ops->set_switch_mac(chip, addr);
1462 	}
1463 
1464 	return 0;
1465 }
1466 
mv88e6xxx_pvt_map(struct mv88e6xxx_chip * chip,int dev,int port)1467 static int mv88e6xxx_pvt_map(struct mv88e6xxx_chip *chip, int dev, int port)
1468 {
1469 	struct dsa_switch_tree *dst = chip->ds->dst;
1470 	struct dsa_switch *ds;
1471 	struct dsa_port *dp;
1472 	u16 pvlan = 0;
1473 
1474 	if (!mv88e6xxx_has_pvt(chip))
1475 		return 0;
1476 
1477 	/* Skip the local source device, which uses in-chip port VLAN */
1478 	if (dev != chip->ds->index) {
1479 		pvlan = mv88e6xxx_port_vlan(chip, dev, port);
1480 
1481 		ds = dsa_switch_find(dst->index, dev);
1482 		dp = ds ? dsa_to_port(ds, port) : NULL;
1483 		if (dp && dp->lag_dev) {
1484 			/* As the PVT is used to limit flooding of
1485 			 * FORWARD frames, which use the LAG ID as the
1486 			 * source port, we must translate dev/port to
1487 			 * the special "LAG device" in the PVT, using
1488 			 * the LAG ID as the port number.
1489 			 */
1490 			dev = MV88E6XXX_G2_PVT_ADDR_DEV_TRUNK;
1491 			port = dsa_lag_id(dst, dp->lag_dev);
1492 		}
1493 	}
1494 
1495 	return mv88e6xxx_g2_pvt_write(chip, dev, port, pvlan);
1496 }
1497 
mv88e6xxx_pvt_setup(struct mv88e6xxx_chip * chip)1498 static int mv88e6xxx_pvt_setup(struct mv88e6xxx_chip *chip)
1499 {
1500 	int dev, port;
1501 	int err;
1502 
1503 	if (!mv88e6xxx_has_pvt(chip))
1504 		return 0;
1505 
1506 	/* Clear 5 Bit Port for usage with Marvell Link Street devices:
1507 	 * use 4 bits for the Src_Port/Src_Trunk and 5 bits for the Src_Dev.
1508 	 */
1509 	err = mv88e6xxx_g2_misc_4_bit_port(chip);
1510 	if (err)
1511 		return err;
1512 
1513 	for (dev = 0; dev < MV88E6XXX_MAX_PVT_SWITCHES; ++dev) {
1514 		for (port = 0; port < MV88E6XXX_MAX_PVT_PORTS; ++port) {
1515 			err = mv88e6xxx_pvt_map(chip, dev, port);
1516 			if (err)
1517 				return err;
1518 		}
1519 	}
1520 
1521 	return 0;
1522 }
1523 
mv88e6xxx_port_fast_age(struct dsa_switch * ds,int port)1524 static void mv88e6xxx_port_fast_age(struct dsa_switch *ds, int port)
1525 {
1526 	struct mv88e6xxx_chip *chip = ds->priv;
1527 	int err;
1528 
1529 	if (dsa_to_port(ds, port)->lag_dev)
1530 		/* Hardware is incapable of fast-aging a LAG through a
1531 		 * regular ATU move operation. Until we have something
1532 		 * more fancy in place this is a no-op.
1533 		 */
1534 		return;
1535 
1536 	mv88e6xxx_reg_lock(chip);
1537 	err = mv88e6xxx_g1_atu_remove(chip, 0, port, false);
1538 	mv88e6xxx_reg_unlock(chip);
1539 
1540 	if (err)
1541 		dev_err(ds->dev, "p%d: failed to flush ATU\n", port);
1542 }
1543 
mv88e6xxx_vtu_setup(struct mv88e6xxx_chip * chip)1544 static int mv88e6xxx_vtu_setup(struct mv88e6xxx_chip *chip)
1545 {
1546 	if (!mv88e6xxx_max_vid(chip))
1547 		return 0;
1548 
1549 	return mv88e6xxx_g1_vtu_flush(chip);
1550 }
1551 
mv88e6xxx_vtu_get(struct mv88e6xxx_chip * chip,u16 vid,struct mv88e6xxx_vtu_entry * entry)1552 static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
1553 			     struct mv88e6xxx_vtu_entry *entry)
1554 {
1555 	int err;
1556 
1557 	if (!chip->info->ops->vtu_getnext)
1558 		return -EOPNOTSUPP;
1559 
1560 	entry->vid = vid ? vid - 1 : mv88e6xxx_max_vid(chip);
1561 	entry->valid = false;
1562 
1563 	err = chip->info->ops->vtu_getnext(chip, entry);
1564 
1565 	if (entry->vid != vid)
1566 		entry->valid = false;
1567 
1568 	return err;
1569 }
1570 
mv88e6xxx_vtu_walk(struct mv88e6xxx_chip * chip,int (* cb)(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * entry,void * priv),void * priv)1571 static int mv88e6xxx_vtu_walk(struct mv88e6xxx_chip *chip,
1572 			      int (*cb)(struct mv88e6xxx_chip *chip,
1573 					const struct mv88e6xxx_vtu_entry *entry,
1574 					void *priv),
1575 			      void *priv)
1576 {
1577 	struct mv88e6xxx_vtu_entry entry = {
1578 		.vid = mv88e6xxx_max_vid(chip),
1579 		.valid = false,
1580 	};
1581 	int err;
1582 
1583 	if (!chip->info->ops->vtu_getnext)
1584 		return -EOPNOTSUPP;
1585 
1586 	do {
1587 		err = chip->info->ops->vtu_getnext(chip, &entry);
1588 		if (err)
1589 			return err;
1590 
1591 		if (!entry.valid)
1592 			break;
1593 
1594 		err = cb(chip, &entry, priv);
1595 		if (err)
1596 			return err;
1597 	} while (entry.vid < mv88e6xxx_max_vid(chip));
1598 
1599 	return 0;
1600 }
1601 
mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip * chip,struct mv88e6xxx_vtu_entry * entry)1602 static int mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
1603 				   struct mv88e6xxx_vtu_entry *entry)
1604 {
1605 	if (!chip->info->ops->vtu_loadpurge)
1606 		return -EOPNOTSUPP;
1607 
1608 	return chip->info->ops->vtu_loadpurge(chip, entry);
1609 }
1610 
mv88e6xxx_fid_map_vlan(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * entry,void * _fid_bitmap)1611 static int mv88e6xxx_fid_map_vlan(struct mv88e6xxx_chip *chip,
1612 				  const struct mv88e6xxx_vtu_entry *entry,
1613 				  void *_fid_bitmap)
1614 {
1615 	unsigned long *fid_bitmap = _fid_bitmap;
1616 
1617 	set_bit(entry->fid, fid_bitmap);
1618 	return 0;
1619 }
1620 
mv88e6xxx_fid_map(struct mv88e6xxx_chip * chip,unsigned long * fid_bitmap)1621 int mv88e6xxx_fid_map(struct mv88e6xxx_chip *chip, unsigned long *fid_bitmap)
1622 {
1623 	int i, err;
1624 	u16 fid;
1625 
1626 	bitmap_zero(fid_bitmap, MV88E6XXX_N_FID);
1627 
1628 	/* Set every FID bit used by the (un)bridged ports */
1629 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
1630 		err = mv88e6xxx_port_get_fid(chip, i, &fid);
1631 		if (err)
1632 			return err;
1633 
1634 		set_bit(fid, fid_bitmap);
1635 	}
1636 
1637 	/* Set every FID bit used by the VLAN entries */
1638 	return mv88e6xxx_vtu_walk(chip, mv88e6xxx_fid_map_vlan, fid_bitmap);
1639 }
1640 
mv88e6xxx_atu_new(struct mv88e6xxx_chip * chip,u16 * fid)1641 static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
1642 {
1643 	DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID);
1644 	int err;
1645 
1646 	err = mv88e6xxx_fid_map(chip, fid_bitmap);
1647 	if (err)
1648 		return err;
1649 
1650 	/* The reset value 0x000 is used to indicate that multiple address
1651 	 * databases are not needed. Return the next positive available.
1652 	 */
1653 	*fid = find_next_zero_bit(fid_bitmap, MV88E6XXX_N_FID, 1);
1654 	if (unlikely(*fid >= mv88e6xxx_num_databases(chip)))
1655 		return -ENOSPC;
1656 
1657 	/* Clear the database */
1658 	return mv88e6xxx_g1_atu_flush(chip, *fid, true);
1659 }
1660 
mv88e6xxx_port_check_hw_vlan(struct dsa_switch * ds,int port,u16 vid)1661 static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
1662 					u16 vid)
1663 {
1664 	struct mv88e6xxx_chip *chip = ds->priv;
1665 	struct mv88e6xxx_vtu_entry vlan;
1666 	int i, err;
1667 
1668 	/* DSA and CPU ports have to be members of multiple vlans */
1669 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
1670 		return 0;
1671 
1672 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
1673 	if (err)
1674 		return err;
1675 
1676 	if (!vlan.valid)
1677 		return 0;
1678 
1679 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
1680 		if (dsa_is_dsa_port(ds, i) || dsa_is_cpu_port(ds, i))
1681 			continue;
1682 
1683 		if (!dsa_to_port(ds, i)->slave)
1684 			continue;
1685 
1686 		if (vlan.member[i] ==
1687 		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
1688 			continue;
1689 
1690 		if (dsa_to_port(ds, i)->bridge_dev ==
1691 		    dsa_to_port(ds, port)->bridge_dev)
1692 			break; /* same bridge, check next VLAN */
1693 
1694 		if (!dsa_to_port(ds, i)->bridge_dev)
1695 			continue;
1696 
1697 		dev_err(ds->dev, "p%d: hw VLAN %d already used by port %d in %s\n",
1698 			port, vlan.vid, i,
1699 			netdev_name(dsa_to_port(ds, i)->bridge_dev));
1700 		return -EOPNOTSUPP;
1701 	}
1702 
1703 	return 0;
1704 }
1705 
mv88e6xxx_port_commit_pvid(struct mv88e6xxx_chip * chip,int port)1706 static int mv88e6xxx_port_commit_pvid(struct mv88e6xxx_chip *chip, int port)
1707 {
1708 	struct dsa_port *dp = dsa_to_port(chip->ds, port);
1709 	struct mv88e6xxx_port *p = &chip->ports[port];
1710 	u16 pvid = MV88E6XXX_VID_STANDALONE;
1711 	bool drop_untagged = false;
1712 	int err;
1713 
1714 	if (dp->bridge_dev) {
1715 		if (br_vlan_enabled(dp->bridge_dev)) {
1716 			pvid = p->bridge_pvid.vid;
1717 			drop_untagged = !p->bridge_pvid.valid;
1718 		} else {
1719 			pvid = MV88E6XXX_VID_BRIDGED;
1720 		}
1721 	}
1722 
1723 	err = mv88e6xxx_port_set_pvid(chip, port, pvid);
1724 	if (err)
1725 		return err;
1726 
1727 	return mv88e6xxx_port_drop_untagged(chip, port, drop_untagged);
1728 }
1729 
mv88e6xxx_port_vlan_filtering(struct dsa_switch * ds,int port,bool vlan_filtering,struct netlink_ext_ack * extack)1730 static int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
1731 					 bool vlan_filtering,
1732 					 struct netlink_ext_ack *extack)
1733 {
1734 	struct mv88e6xxx_chip *chip = ds->priv;
1735 	u16 mode = vlan_filtering ? MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE :
1736 		MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED;
1737 	int err;
1738 
1739 	if (!mv88e6xxx_max_vid(chip))
1740 		return -EOPNOTSUPP;
1741 
1742 	mv88e6xxx_reg_lock(chip);
1743 
1744 	err = mv88e6xxx_port_set_8021q_mode(chip, port, mode);
1745 	if (err)
1746 		goto unlock;
1747 
1748 	err = mv88e6xxx_port_commit_pvid(chip, port);
1749 	if (err)
1750 		goto unlock;
1751 
1752 unlock:
1753 	mv88e6xxx_reg_unlock(chip);
1754 
1755 	return err;
1756 }
1757 
1758 static int
mv88e6xxx_port_vlan_prepare(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan)1759 mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port,
1760 			    const struct switchdev_obj_port_vlan *vlan)
1761 {
1762 	struct mv88e6xxx_chip *chip = ds->priv;
1763 	int err;
1764 
1765 	if (!mv88e6xxx_max_vid(chip))
1766 		return -EOPNOTSUPP;
1767 
1768 	/* If the requested port doesn't belong to the same bridge as the VLAN
1769 	 * members, do not support it (yet) and fallback to software VLAN.
1770 	 */
1771 	mv88e6xxx_reg_lock(chip);
1772 	err = mv88e6xxx_port_check_hw_vlan(ds, port, vlan->vid);
1773 	mv88e6xxx_reg_unlock(chip);
1774 
1775 	return err;
1776 }
1777 
mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip * chip,int port,const unsigned char * addr,u16 vid,u8 state)1778 static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port,
1779 					const unsigned char *addr, u16 vid,
1780 					u8 state)
1781 {
1782 	struct mv88e6xxx_atu_entry entry;
1783 	struct mv88e6xxx_vtu_entry vlan;
1784 	u16 fid;
1785 	int err;
1786 
1787 	/* Ports have two private address databases: one for when the port is
1788 	 * standalone and one for when the port is under a bridge and the
1789 	 * 802.1Q mode is disabled. When the port is standalone, DSA wants its
1790 	 * address database to remain 100% empty, so we never load an ATU entry
1791 	 * into a standalone port's database. Therefore, translate the null
1792 	 * VLAN ID into the port's database used for VLAN-unaware bridging.
1793 	 */
1794 	if (vid == 0) {
1795 		fid = MV88E6XXX_FID_BRIDGED;
1796 	} else {
1797 		err = mv88e6xxx_vtu_get(chip, vid, &vlan);
1798 		if (err)
1799 			return err;
1800 
1801 		/* switchdev expects -EOPNOTSUPP to honor software VLANs */
1802 		if (!vlan.valid)
1803 			return -EOPNOTSUPP;
1804 
1805 		fid = vlan.fid;
1806 	}
1807 
1808 	entry.state = 0;
1809 	ether_addr_copy(entry.mac, addr);
1810 	eth_addr_dec(entry.mac);
1811 
1812 	err = mv88e6xxx_g1_atu_getnext(chip, fid, &entry);
1813 	if (err)
1814 		return err;
1815 
1816 	/* Initialize a fresh ATU entry if it isn't found */
1817 	if (!entry.state || !ether_addr_equal(entry.mac, addr)) {
1818 		memset(&entry, 0, sizeof(entry));
1819 		ether_addr_copy(entry.mac, addr);
1820 	}
1821 
1822 	/* Purge the ATU entry only if no port is using it anymore */
1823 	if (!state) {
1824 		entry.portvec &= ~BIT(port);
1825 		if (!entry.portvec)
1826 			entry.state = 0;
1827 	} else {
1828 		if (state == MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC)
1829 			entry.portvec = BIT(port);
1830 		else
1831 			entry.portvec |= BIT(port);
1832 
1833 		entry.state = state;
1834 	}
1835 
1836 	return mv88e6xxx_g1_atu_loadpurge(chip, fid, &entry);
1837 }
1838 
mv88e6xxx_policy_apply(struct mv88e6xxx_chip * chip,int port,const struct mv88e6xxx_policy * policy)1839 static int mv88e6xxx_policy_apply(struct mv88e6xxx_chip *chip, int port,
1840 				  const struct mv88e6xxx_policy *policy)
1841 {
1842 	enum mv88e6xxx_policy_mapping mapping = policy->mapping;
1843 	enum mv88e6xxx_policy_action action = policy->action;
1844 	const u8 *addr = policy->addr;
1845 	u16 vid = policy->vid;
1846 	u8 state;
1847 	int err;
1848 	int id;
1849 
1850 	if (!chip->info->ops->port_set_policy)
1851 		return -EOPNOTSUPP;
1852 
1853 	switch (mapping) {
1854 	case MV88E6XXX_POLICY_MAPPING_DA:
1855 	case MV88E6XXX_POLICY_MAPPING_SA:
1856 		if (action == MV88E6XXX_POLICY_ACTION_NORMAL)
1857 			state = 0; /* Dissociate the port and address */
1858 		else if (action == MV88E6XXX_POLICY_ACTION_DISCARD &&
1859 			 is_multicast_ether_addr(addr))
1860 			state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC_POLICY;
1861 		else if (action == MV88E6XXX_POLICY_ACTION_DISCARD &&
1862 			 is_unicast_ether_addr(addr))
1863 			state = MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC_POLICY;
1864 		else
1865 			return -EOPNOTSUPP;
1866 
1867 		err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
1868 						   state);
1869 		if (err)
1870 			return err;
1871 		break;
1872 	default:
1873 		return -EOPNOTSUPP;
1874 	}
1875 
1876 	/* Skip the port's policy clearing if the mapping is still in use */
1877 	if (action == MV88E6XXX_POLICY_ACTION_NORMAL)
1878 		idr_for_each_entry(&chip->policies, policy, id)
1879 			if (policy->port == port &&
1880 			    policy->mapping == mapping &&
1881 			    policy->action != action)
1882 				return 0;
1883 
1884 	return chip->info->ops->port_set_policy(chip, port, mapping, action);
1885 }
1886 
mv88e6xxx_policy_insert(struct mv88e6xxx_chip * chip,int port,struct ethtool_rx_flow_spec * fs)1887 static int mv88e6xxx_policy_insert(struct mv88e6xxx_chip *chip, int port,
1888 				   struct ethtool_rx_flow_spec *fs)
1889 {
1890 	struct ethhdr *mac_entry = &fs->h_u.ether_spec;
1891 	struct ethhdr *mac_mask = &fs->m_u.ether_spec;
1892 	enum mv88e6xxx_policy_mapping mapping;
1893 	enum mv88e6xxx_policy_action action;
1894 	struct mv88e6xxx_policy *policy;
1895 	u16 vid = 0;
1896 	u8 *addr;
1897 	int err;
1898 	int id;
1899 
1900 	if (fs->location != RX_CLS_LOC_ANY)
1901 		return -EINVAL;
1902 
1903 	if (fs->ring_cookie == RX_CLS_FLOW_DISC)
1904 		action = MV88E6XXX_POLICY_ACTION_DISCARD;
1905 	else
1906 		return -EOPNOTSUPP;
1907 
1908 	switch (fs->flow_type & ~FLOW_EXT) {
1909 	case ETHER_FLOW:
1910 		if (!is_zero_ether_addr(mac_mask->h_dest) &&
1911 		    is_zero_ether_addr(mac_mask->h_source)) {
1912 			mapping = MV88E6XXX_POLICY_MAPPING_DA;
1913 			addr = mac_entry->h_dest;
1914 		} else if (is_zero_ether_addr(mac_mask->h_dest) &&
1915 		    !is_zero_ether_addr(mac_mask->h_source)) {
1916 			mapping = MV88E6XXX_POLICY_MAPPING_SA;
1917 			addr = mac_entry->h_source;
1918 		} else {
1919 			/* Cannot support DA and SA mapping in the same rule */
1920 			return -EOPNOTSUPP;
1921 		}
1922 		break;
1923 	default:
1924 		return -EOPNOTSUPP;
1925 	}
1926 
1927 	if ((fs->flow_type & FLOW_EXT) && fs->m_ext.vlan_tci) {
1928 		if (fs->m_ext.vlan_tci != htons(0xffff))
1929 			return -EOPNOTSUPP;
1930 		vid = be16_to_cpu(fs->h_ext.vlan_tci) & VLAN_VID_MASK;
1931 	}
1932 
1933 	idr_for_each_entry(&chip->policies, policy, id) {
1934 		if (policy->port == port && policy->mapping == mapping &&
1935 		    policy->action == action && policy->vid == vid &&
1936 		    ether_addr_equal(policy->addr, addr))
1937 			return -EEXIST;
1938 	}
1939 
1940 	policy = devm_kzalloc(chip->dev, sizeof(*policy), GFP_KERNEL);
1941 	if (!policy)
1942 		return -ENOMEM;
1943 
1944 	fs->location = 0;
1945 	err = idr_alloc_u32(&chip->policies, policy, &fs->location, 0xffffffff,
1946 			    GFP_KERNEL);
1947 	if (err) {
1948 		devm_kfree(chip->dev, policy);
1949 		return err;
1950 	}
1951 
1952 	memcpy(&policy->fs, fs, sizeof(*fs));
1953 	ether_addr_copy(policy->addr, addr);
1954 	policy->mapping = mapping;
1955 	policy->action = action;
1956 	policy->port = port;
1957 	policy->vid = vid;
1958 
1959 	err = mv88e6xxx_policy_apply(chip, port, policy);
1960 	if (err) {
1961 		idr_remove(&chip->policies, fs->location);
1962 		devm_kfree(chip->dev, policy);
1963 		return err;
1964 	}
1965 
1966 	return 0;
1967 }
1968 
mv88e6xxx_get_rxnfc(struct dsa_switch * ds,int port,struct ethtool_rxnfc * rxnfc,u32 * rule_locs)1969 static int mv88e6xxx_get_rxnfc(struct dsa_switch *ds, int port,
1970 			       struct ethtool_rxnfc *rxnfc, u32 *rule_locs)
1971 {
1972 	struct ethtool_rx_flow_spec *fs = &rxnfc->fs;
1973 	struct mv88e6xxx_chip *chip = ds->priv;
1974 	struct mv88e6xxx_policy *policy;
1975 	int err;
1976 	int id;
1977 
1978 	mv88e6xxx_reg_lock(chip);
1979 
1980 	switch (rxnfc->cmd) {
1981 	case ETHTOOL_GRXCLSRLCNT:
1982 		rxnfc->data = 0;
1983 		rxnfc->data |= RX_CLS_LOC_SPECIAL;
1984 		rxnfc->rule_cnt = 0;
1985 		idr_for_each_entry(&chip->policies, policy, id)
1986 			if (policy->port == port)
1987 				rxnfc->rule_cnt++;
1988 		err = 0;
1989 		break;
1990 	case ETHTOOL_GRXCLSRULE:
1991 		err = -ENOENT;
1992 		policy = idr_find(&chip->policies, fs->location);
1993 		if (policy) {
1994 			memcpy(fs, &policy->fs, sizeof(*fs));
1995 			err = 0;
1996 		}
1997 		break;
1998 	case ETHTOOL_GRXCLSRLALL:
1999 		rxnfc->data = 0;
2000 		rxnfc->rule_cnt = 0;
2001 		idr_for_each_entry(&chip->policies, policy, id)
2002 			if (policy->port == port)
2003 				rule_locs[rxnfc->rule_cnt++] = id;
2004 		err = 0;
2005 		break;
2006 	default:
2007 		err = -EOPNOTSUPP;
2008 		break;
2009 	}
2010 
2011 	mv88e6xxx_reg_unlock(chip);
2012 
2013 	return err;
2014 }
2015 
mv88e6xxx_set_rxnfc(struct dsa_switch * ds,int port,struct ethtool_rxnfc * rxnfc)2016 static int mv88e6xxx_set_rxnfc(struct dsa_switch *ds, int port,
2017 			       struct ethtool_rxnfc *rxnfc)
2018 {
2019 	struct ethtool_rx_flow_spec *fs = &rxnfc->fs;
2020 	struct mv88e6xxx_chip *chip = ds->priv;
2021 	struct mv88e6xxx_policy *policy;
2022 	int err;
2023 
2024 	mv88e6xxx_reg_lock(chip);
2025 
2026 	switch (rxnfc->cmd) {
2027 	case ETHTOOL_SRXCLSRLINS:
2028 		err = mv88e6xxx_policy_insert(chip, port, fs);
2029 		break;
2030 	case ETHTOOL_SRXCLSRLDEL:
2031 		err = -ENOENT;
2032 		policy = idr_remove(&chip->policies, fs->location);
2033 		if (policy) {
2034 			policy->action = MV88E6XXX_POLICY_ACTION_NORMAL;
2035 			err = mv88e6xxx_policy_apply(chip, port, policy);
2036 			devm_kfree(chip->dev, policy);
2037 		}
2038 		break;
2039 	default:
2040 		err = -EOPNOTSUPP;
2041 		break;
2042 	}
2043 
2044 	mv88e6xxx_reg_unlock(chip);
2045 
2046 	return err;
2047 }
2048 
mv88e6xxx_port_add_broadcast(struct mv88e6xxx_chip * chip,int port,u16 vid)2049 static int mv88e6xxx_port_add_broadcast(struct mv88e6xxx_chip *chip, int port,
2050 					u16 vid)
2051 {
2052 	u8 state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC;
2053 	u8 broadcast[ETH_ALEN];
2054 
2055 	eth_broadcast_addr(broadcast);
2056 
2057 	return mv88e6xxx_port_db_load_purge(chip, port, broadcast, vid, state);
2058 }
2059 
mv88e6xxx_broadcast_setup(struct mv88e6xxx_chip * chip,u16 vid)2060 static int mv88e6xxx_broadcast_setup(struct mv88e6xxx_chip *chip, u16 vid)
2061 {
2062 	int port;
2063 	int err;
2064 
2065 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
2066 		struct dsa_port *dp = dsa_to_port(chip->ds, port);
2067 		struct net_device *brport;
2068 
2069 		if (dsa_is_unused_port(chip->ds, port))
2070 			continue;
2071 
2072 		brport = dsa_port_to_bridge_port(dp);
2073 		if (brport && !br_port_flag_is_set(brport, BR_BCAST_FLOOD))
2074 			/* Skip bridged user ports where broadcast
2075 			 * flooding is disabled.
2076 			 */
2077 			continue;
2078 
2079 		err = mv88e6xxx_port_add_broadcast(chip, port, vid);
2080 		if (err)
2081 			return err;
2082 	}
2083 
2084 	return 0;
2085 }
2086 
2087 struct mv88e6xxx_port_broadcast_sync_ctx {
2088 	int port;
2089 	bool flood;
2090 };
2091 
2092 static int
mv88e6xxx_port_broadcast_sync_vlan(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * vlan,void * _ctx)2093 mv88e6xxx_port_broadcast_sync_vlan(struct mv88e6xxx_chip *chip,
2094 				   const struct mv88e6xxx_vtu_entry *vlan,
2095 				   void *_ctx)
2096 {
2097 	struct mv88e6xxx_port_broadcast_sync_ctx *ctx = _ctx;
2098 	u8 broadcast[ETH_ALEN];
2099 	u8 state;
2100 
2101 	if (ctx->flood)
2102 		state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC;
2103 	else
2104 		state = MV88E6XXX_G1_ATU_DATA_STATE_MC_UNUSED;
2105 
2106 	eth_broadcast_addr(broadcast);
2107 
2108 	return mv88e6xxx_port_db_load_purge(chip, ctx->port, broadcast,
2109 					    vlan->vid, state);
2110 }
2111 
mv88e6xxx_port_broadcast_sync(struct mv88e6xxx_chip * chip,int port,bool flood)2112 static int mv88e6xxx_port_broadcast_sync(struct mv88e6xxx_chip *chip, int port,
2113 					 bool flood)
2114 {
2115 	struct mv88e6xxx_port_broadcast_sync_ctx ctx = {
2116 		.port = port,
2117 		.flood = flood,
2118 	};
2119 	struct mv88e6xxx_vtu_entry vid0 = {
2120 		.vid = 0,
2121 	};
2122 	int err;
2123 
2124 	/* Update the port's private database... */
2125 	err = mv88e6xxx_port_broadcast_sync_vlan(chip, &vid0, &ctx);
2126 	if (err)
2127 		return err;
2128 
2129 	/* ...and the database for all VLANs. */
2130 	return mv88e6xxx_vtu_walk(chip, mv88e6xxx_port_broadcast_sync_vlan,
2131 				  &ctx);
2132 }
2133 
mv88e6xxx_port_vlan_join(struct mv88e6xxx_chip * chip,int port,u16 vid,u8 member,bool warn)2134 static int mv88e6xxx_port_vlan_join(struct mv88e6xxx_chip *chip, int port,
2135 				    u16 vid, u8 member, bool warn)
2136 {
2137 	const u8 non_member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
2138 	struct mv88e6xxx_vtu_entry vlan;
2139 	int i, err;
2140 
2141 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2142 	if (err)
2143 		return err;
2144 
2145 	if (!vlan.valid) {
2146 		memset(&vlan, 0, sizeof(vlan));
2147 
2148 		err = mv88e6xxx_atu_new(chip, &vlan.fid);
2149 		if (err)
2150 			return err;
2151 
2152 		for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
2153 			if (i == port)
2154 				vlan.member[i] = member;
2155 			else
2156 				vlan.member[i] = non_member;
2157 
2158 		vlan.vid = vid;
2159 		vlan.valid = true;
2160 
2161 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2162 		if (err)
2163 			return err;
2164 
2165 		err = mv88e6xxx_broadcast_setup(chip, vlan.vid);
2166 		if (err)
2167 			return err;
2168 	} else if (vlan.member[port] != member) {
2169 		vlan.member[port] = member;
2170 
2171 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2172 		if (err)
2173 			return err;
2174 	} else if (warn) {
2175 		dev_info(chip->dev, "p%d: already a member of VLAN %d\n",
2176 			 port, vid);
2177 	}
2178 
2179 	return 0;
2180 }
2181 
mv88e6xxx_port_vlan_add(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan,struct netlink_ext_ack * extack)2182 static int mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
2183 				   const struct switchdev_obj_port_vlan *vlan,
2184 				   struct netlink_ext_ack *extack)
2185 {
2186 	struct mv88e6xxx_chip *chip = ds->priv;
2187 	bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
2188 	bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
2189 	struct mv88e6xxx_port *p = &chip->ports[port];
2190 	bool warn;
2191 	u8 member;
2192 	int err;
2193 
2194 	if (!vlan->vid)
2195 		return 0;
2196 
2197 	err = mv88e6xxx_port_vlan_prepare(ds, port, vlan);
2198 	if (err)
2199 		return err;
2200 
2201 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
2202 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED;
2203 	else if (untagged)
2204 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED;
2205 	else
2206 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_TAGGED;
2207 
2208 	/* net/dsa/slave.c will call dsa_port_vlan_add() for the affected port
2209 	 * and then the CPU port. Do not warn for duplicates for the CPU port.
2210 	 */
2211 	warn = !dsa_is_cpu_port(ds, port) && !dsa_is_dsa_port(ds, port);
2212 
2213 	mv88e6xxx_reg_lock(chip);
2214 
2215 	err = mv88e6xxx_port_vlan_join(chip, port, vlan->vid, member, warn);
2216 	if (err) {
2217 		dev_err(ds->dev, "p%d: failed to add VLAN %d%c\n", port,
2218 			vlan->vid, untagged ? 'u' : 't');
2219 		goto out;
2220 	}
2221 
2222 	if (pvid) {
2223 		p->bridge_pvid.vid = vlan->vid;
2224 		p->bridge_pvid.valid = true;
2225 
2226 		err = mv88e6xxx_port_commit_pvid(chip, port);
2227 		if (err)
2228 			goto out;
2229 	} else if (vlan->vid && p->bridge_pvid.vid == vlan->vid) {
2230 		/* The old pvid was reinstalled as a non-pvid VLAN */
2231 		p->bridge_pvid.valid = false;
2232 
2233 		err = mv88e6xxx_port_commit_pvid(chip, port);
2234 		if (err)
2235 			goto out;
2236 	}
2237 
2238 out:
2239 	mv88e6xxx_reg_unlock(chip);
2240 
2241 	return err;
2242 }
2243 
mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip * chip,int port,u16 vid)2244 static int mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip *chip,
2245 				     int port, u16 vid)
2246 {
2247 	struct mv88e6xxx_vtu_entry vlan;
2248 	int i, err;
2249 
2250 	if (!vid)
2251 		return 0;
2252 
2253 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2254 	if (err)
2255 		return err;
2256 
2257 	/* If the VLAN doesn't exist in hardware or the port isn't a member,
2258 	 * tell switchdev that this VLAN is likely handled in software.
2259 	 */
2260 	if (!vlan.valid ||
2261 	    vlan.member[port] == MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
2262 		return -EOPNOTSUPP;
2263 
2264 	vlan.member[port] = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
2265 
2266 	/* keep the VLAN unless all ports are excluded */
2267 	vlan.valid = false;
2268 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
2269 		if (vlan.member[i] !=
2270 		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
2271 			vlan.valid = true;
2272 			break;
2273 		}
2274 	}
2275 
2276 	err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2277 	if (err)
2278 		return err;
2279 
2280 	return mv88e6xxx_g1_atu_remove(chip, vlan.fid, port, false);
2281 }
2282 
mv88e6xxx_port_vlan_del(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan)2283 static int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port,
2284 				   const struct switchdev_obj_port_vlan *vlan)
2285 {
2286 	struct mv88e6xxx_chip *chip = ds->priv;
2287 	struct mv88e6xxx_port *p = &chip->ports[port];
2288 	int err = 0;
2289 	u16 pvid;
2290 
2291 	if (!mv88e6xxx_max_vid(chip))
2292 		return -EOPNOTSUPP;
2293 
2294 	mv88e6xxx_reg_lock(chip);
2295 
2296 	err = mv88e6xxx_port_get_pvid(chip, port, &pvid);
2297 	if (err)
2298 		goto unlock;
2299 
2300 	err = mv88e6xxx_port_vlan_leave(chip, port, vlan->vid);
2301 	if (err)
2302 		goto unlock;
2303 
2304 	if (vlan->vid == pvid) {
2305 		p->bridge_pvid.valid = false;
2306 
2307 		err = mv88e6xxx_port_commit_pvid(chip, port);
2308 		if (err)
2309 			goto unlock;
2310 	}
2311 
2312 unlock:
2313 	mv88e6xxx_reg_unlock(chip);
2314 
2315 	return err;
2316 }
2317 
mv88e6xxx_port_fdb_add(struct dsa_switch * ds,int port,const unsigned char * addr,u16 vid)2318 static int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
2319 				  const unsigned char *addr, u16 vid)
2320 {
2321 	struct mv88e6xxx_chip *chip = ds->priv;
2322 	int err;
2323 
2324 	mv88e6xxx_reg_lock(chip);
2325 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
2326 					   MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
2327 	mv88e6xxx_reg_unlock(chip);
2328 
2329 	return err;
2330 }
2331 
mv88e6xxx_port_fdb_del(struct dsa_switch * ds,int port,const unsigned char * addr,u16 vid)2332 static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
2333 				  const unsigned char *addr, u16 vid)
2334 {
2335 	struct mv88e6xxx_chip *chip = ds->priv;
2336 	int err;
2337 
2338 	mv88e6xxx_reg_lock(chip);
2339 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid, 0);
2340 	mv88e6xxx_reg_unlock(chip);
2341 
2342 	return err;
2343 }
2344 
mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip * chip,u16 fid,u16 vid,int port,dsa_fdb_dump_cb_t * cb,void * data)2345 static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip,
2346 				      u16 fid, u16 vid, int port,
2347 				      dsa_fdb_dump_cb_t *cb, void *data)
2348 {
2349 	struct mv88e6xxx_atu_entry addr;
2350 	bool is_static;
2351 	int err;
2352 
2353 	addr.state = 0;
2354 	eth_broadcast_addr(addr.mac);
2355 
2356 	do {
2357 		err = mv88e6xxx_g1_atu_getnext(chip, fid, &addr);
2358 		if (err)
2359 			return err;
2360 
2361 		if (!addr.state)
2362 			break;
2363 
2364 		if (addr.trunk || (addr.portvec & BIT(port)) == 0)
2365 			continue;
2366 
2367 		if (!is_unicast_ether_addr(addr.mac))
2368 			continue;
2369 
2370 		is_static = (addr.state ==
2371 			     MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
2372 		err = cb(addr.mac, vid, is_static, data);
2373 		if (err)
2374 			return err;
2375 	} while (!is_broadcast_ether_addr(addr.mac));
2376 
2377 	return err;
2378 }
2379 
2380 struct mv88e6xxx_port_db_dump_vlan_ctx {
2381 	int port;
2382 	dsa_fdb_dump_cb_t *cb;
2383 	void *data;
2384 };
2385 
mv88e6xxx_port_db_dump_vlan(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * entry,void * _data)2386 static int mv88e6xxx_port_db_dump_vlan(struct mv88e6xxx_chip *chip,
2387 				       const struct mv88e6xxx_vtu_entry *entry,
2388 				       void *_data)
2389 {
2390 	struct mv88e6xxx_port_db_dump_vlan_ctx *ctx = _data;
2391 
2392 	return mv88e6xxx_port_db_dump_fid(chip, entry->fid, entry->vid,
2393 					  ctx->port, ctx->cb, ctx->data);
2394 }
2395 
mv88e6xxx_port_db_dump(struct mv88e6xxx_chip * chip,int port,dsa_fdb_dump_cb_t * cb,void * data)2396 static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
2397 				  dsa_fdb_dump_cb_t *cb, void *data)
2398 {
2399 	struct mv88e6xxx_port_db_dump_vlan_ctx ctx = {
2400 		.port = port,
2401 		.cb = cb,
2402 		.data = data,
2403 	};
2404 	u16 fid;
2405 	int err;
2406 
2407 	/* Dump port's default Filtering Information Database (VLAN ID 0) */
2408 	err = mv88e6xxx_port_get_fid(chip, port, &fid);
2409 	if (err)
2410 		return err;
2411 
2412 	err = mv88e6xxx_port_db_dump_fid(chip, fid, 0, port, cb, data);
2413 	if (err)
2414 		return err;
2415 
2416 	return mv88e6xxx_vtu_walk(chip, mv88e6xxx_port_db_dump_vlan, &ctx);
2417 }
2418 
mv88e6xxx_port_fdb_dump(struct dsa_switch * ds,int port,dsa_fdb_dump_cb_t * cb,void * data)2419 static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
2420 				   dsa_fdb_dump_cb_t *cb, void *data)
2421 {
2422 	struct mv88e6xxx_chip *chip = ds->priv;
2423 	int err;
2424 
2425 	mv88e6xxx_reg_lock(chip);
2426 	err = mv88e6xxx_port_db_dump(chip, port, cb, data);
2427 	mv88e6xxx_reg_unlock(chip);
2428 
2429 	return err;
2430 }
2431 
mv88e6xxx_bridge_map(struct mv88e6xxx_chip * chip,struct net_device * br)2432 static int mv88e6xxx_bridge_map(struct mv88e6xxx_chip *chip,
2433 				struct net_device *br)
2434 {
2435 	struct dsa_switch *ds = chip->ds;
2436 	struct dsa_switch_tree *dst = ds->dst;
2437 	struct dsa_port *dp;
2438 	int err;
2439 
2440 	list_for_each_entry(dp, &dst->ports, list) {
2441 		if (dp->bridge_dev == br) {
2442 			if (dp->ds == ds) {
2443 				/* This is a local bridge group member,
2444 				 * remap its Port VLAN Map.
2445 				 */
2446 				err = mv88e6xxx_port_vlan_map(chip, dp->index);
2447 				if (err)
2448 					return err;
2449 			} else {
2450 				/* This is an external bridge group member,
2451 				 * remap its cross-chip Port VLAN Table entry.
2452 				 */
2453 				err = mv88e6xxx_pvt_map(chip, dp->ds->index,
2454 							dp->index);
2455 				if (err)
2456 					return err;
2457 			}
2458 		}
2459 	}
2460 
2461 	return 0;
2462 }
2463 
mv88e6xxx_port_bridge_join(struct dsa_switch * ds,int port,struct net_device * br)2464 static int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
2465 				      struct net_device *br)
2466 {
2467 	struct mv88e6xxx_chip *chip = ds->priv;
2468 	int err;
2469 
2470 	mv88e6xxx_reg_lock(chip);
2471 
2472 	err = mv88e6xxx_bridge_map(chip, br);
2473 	if (err)
2474 		goto unlock;
2475 
2476 	err = mv88e6xxx_port_commit_pvid(chip, port);
2477 	if (err)
2478 		goto unlock;
2479 
2480 unlock:
2481 	mv88e6xxx_reg_unlock(chip);
2482 
2483 	return err;
2484 }
2485 
mv88e6xxx_port_bridge_leave(struct dsa_switch * ds,int port,struct net_device * br)2486 static void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port,
2487 					struct net_device *br)
2488 {
2489 	struct mv88e6xxx_chip *chip = ds->priv;
2490 	int err;
2491 
2492 	mv88e6xxx_reg_lock(chip);
2493 
2494 	if (mv88e6xxx_bridge_map(chip, br) ||
2495 	    mv88e6xxx_port_vlan_map(chip, port))
2496 		dev_err(ds->dev, "failed to remap in-chip Port VLAN\n");
2497 
2498 	err = mv88e6xxx_port_commit_pvid(chip, port);
2499 	if (err)
2500 		dev_err(ds->dev,
2501 			"port %d failed to restore standalone pvid: %pe\n",
2502 			port, ERR_PTR(err));
2503 
2504 	mv88e6xxx_reg_unlock(chip);
2505 }
2506 
mv88e6xxx_crosschip_bridge_join(struct dsa_switch * ds,int tree_index,int sw_index,int port,struct net_device * br)2507 static int mv88e6xxx_crosschip_bridge_join(struct dsa_switch *ds,
2508 					   int tree_index, int sw_index,
2509 					   int port, struct net_device *br)
2510 {
2511 	struct mv88e6xxx_chip *chip = ds->priv;
2512 	int err;
2513 
2514 	if (tree_index != ds->dst->index)
2515 		return 0;
2516 
2517 	mv88e6xxx_reg_lock(chip);
2518 	err = mv88e6xxx_pvt_map(chip, sw_index, port);
2519 	mv88e6xxx_reg_unlock(chip);
2520 
2521 	return err;
2522 }
2523 
mv88e6xxx_crosschip_bridge_leave(struct dsa_switch * ds,int tree_index,int sw_index,int port,struct net_device * br)2524 static void mv88e6xxx_crosschip_bridge_leave(struct dsa_switch *ds,
2525 					     int tree_index, int sw_index,
2526 					     int port, struct net_device *br)
2527 {
2528 	struct mv88e6xxx_chip *chip = ds->priv;
2529 
2530 	if (tree_index != ds->dst->index)
2531 		return;
2532 
2533 	mv88e6xxx_reg_lock(chip);
2534 	if (mv88e6xxx_pvt_map(chip, sw_index, port))
2535 		dev_err(ds->dev, "failed to remap cross-chip Port VLAN\n");
2536 	mv88e6xxx_reg_unlock(chip);
2537 }
2538 
2539 /* Treat the software bridge as a virtual single-port switch behind the
2540  * CPU and map in the PVT. First dst->last_switch elements are taken by
2541  * physical switches, so start from beyond that range.
2542  */
mv88e6xxx_map_virtual_bridge_to_pvt(struct dsa_switch * ds,int bridge_num)2543 static int mv88e6xxx_map_virtual_bridge_to_pvt(struct dsa_switch *ds,
2544 					       int bridge_num)
2545 {
2546 	u8 dev = bridge_num + ds->dst->last_switch + 1;
2547 	struct mv88e6xxx_chip *chip = ds->priv;
2548 	int err;
2549 
2550 	mv88e6xxx_reg_lock(chip);
2551 	err = mv88e6xxx_pvt_map(chip, dev, 0);
2552 	mv88e6xxx_reg_unlock(chip);
2553 
2554 	return err;
2555 }
2556 
mv88e6xxx_bridge_tx_fwd_offload(struct dsa_switch * ds,int port,struct net_device * br,int bridge_num)2557 static int mv88e6xxx_bridge_tx_fwd_offload(struct dsa_switch *ds, int port,
2558 					   struct net_device *br,
2559 					   int bridge_num)
2560 {
2561 	return mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge_num);
2562 }
2563 
mv88e6xxx_bridge_tx_fwd_unoffload(struct dsa_switch * ds,int port,struct net_device * br,int bridge_num)2564 static void mv88e6xxx_bridge_tx_fwd_unoffload(struct dsa_switch *ds, int port,
2565 					      struct net_device *br,
2566 					      int bridge_num)
2567 {
2568 	int err;
2569 
2570 	err = mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge_num);
2571 	if (err) {
2572 		dev_err(ds->dev, "failed to remap cross-chip Port VLAN: %pe\n",
2573 			ERR_PTR(err));
2574 	}
2575 }
2576 
mv88e6xxx_software_reset(struct mv88e6xxx_chip * chip)2577 static int mv88e6xxx_software_reset(struct mv88e6xxx_chip *chip)
2578 {
2579 	if (chip->info->ops->reset)
2580 		return chip->info->ops->reset(chip);
2581 
2582 	return 0;
2583 }
2584 
mv88e6xxx_hardware_reset(struct mv88e6xxx_chip * chip)2585 static void mv88e6xxx_hardware_reset(struct mv88e6xxx_chip *chip)
2586 {
2587 	struct gpio_desc *gpiod = chip->reset;
2588 
2589 	/* If there is a GPIO connected to the reset pin, toggle it */
2590 	if (gpiod) {
2591 		/* If the switch has just been reset and not yet completed
2592 		 * loading EEPROM, the reset may interrupt the I2C transaction
2593 		 * mid-byte, causing the first EEPROM read after the reset
2594 		 * from the wrong location resulting in the switch booting
2595 		 * to wrong mode and inoperable.
2596 		 */
2597 		if (chip->info->ops->get_eeprom)
2598 			mv88e6xxx_g2_eeprom_wait(chip);
2599 
2600 		gpiod_set_value_cansleep(gpiod, 1);
2601 		usleep_range(10000, 20000);
2602 		gpiod_set_value_cansleep(gpiod, 0);
2603 		usleep_range(10000, 20000);
2604 
2605 		if (chip->info->ops->get_eeprom)
2606 			mv88e6xxx_g2_eeprom_wait(chip);
2607 	}
2608 }
2609 
mv88e6xxx_disable_ports(struct mv88e6xxx_chip * chip)2610 static int mv88e6xxx_disable_ports(struct mv88e6xxx_chip *chip)
2611 {
2612 	int i, err;
2613 
2614 	/* Set all ports to the Disabled state */
2615 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
2616 		err = mv88e6xxx_port_set_state(chip, i, BR_STATE_DISABLED);
2617 		if (err)
2618 			return err;
2619 	}
2620 
2621 	/* Wait for transmit queues to drain,
2622 	 * i.e. 2ms for a maximum frame to be transmitted at 10 Mbps.
2623 	 */
2624 	usleep_range(2000, 4000);
2625 
2626 	return 0;
2627 }
2628 
mv88e6xxx_switch_reset(struct mv88e6xxx_chip * chip)2629 static int mv88e6xxx_switch_reset(struct mv88e6xxx_chip *chip)
2630 {
2631 	int err;
2632 
2633 	err = mv88e6xxx_disable_ports(chip);
2634 	if (err)
2635 		return err;
2636 
2637 	mv88e6xxx_hardware_reset(chip);
2638 
2639 	return mv88e6xxx_software_reset(chip);
2640 }
2641 
mv88e6xxx_set_port_mode(struct mv88e6xxx_chip * chip,int port,enum mv88e6xxx_frame_mode frame,enum mv88e6xxx_egress_mode egress,u16 etype)2642 static int mv88e6xxx_set_port_mode(struct mv88e6xxx_chip *chip, int port,
2643 				   enum mv88e6xxx_frame_mode frame,
2644 				   enum mv88e6xxx_egress_mode egress, u16 etype)
2645 {
2646 	int err;
2647 
2648 	if (!chip->info->ops->port_set_frame_mode)
2649 		return -EOPNOTSUPP;
2650 
2651 	err = mv88e6xxx_port_set_egress_mode(chip, port, egress);
2652 	if (err)
2653 		return err;
2654 
2655 	err = chip->info->ops->port_set_frame_mode(chip, port, frame);
2656 	if (err)
2657 		return err;
2658 
2659 	if (chip->info->ops->port_set_ether_type)
2660 		return chip->info->ops->port_set_ether_type(chip, port, etype);
2661 
2662 	return 0;
2663 }
2664 
mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip * chip,int port)2665 static int mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip *chip, int port)
2666 {
2667 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_NORMAL,
2668 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
2669 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
2670 }
2671 
mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip * chip,int port)2672 static int mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip *chip, int port)
2673 {
2674 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_DSA,
2675 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
2676 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
2677 }
2678 
mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip * chip,int port)2679 static int mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip *chip, int port)
2680 {
2681 	return mv88e6xxx_set_port_mode(chip, port,
2682 				       MV88E6XXX_FRAME_MODE_ETHERTYPE,
2683 				       MV88E6XXX_EGRESS_MODE_ETHERTYPE,
2684 				       ETH_P_EDSA);
2685 }
2686 
mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip * chip,int port)2687 static int mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip *chip, int port)
2688 {
2689 	if (dsa_is_dsa_port(chip->ds, port))
2690 		return mv88e6xxx_set_port_mode_dsa(chip, port);
2691 
2692 	if (dsa_is_user_port(chip->ds, port))
2693 		return mv88e6xxx_set_port_mode_normal(chip, port);
2694 
2695 	/* Setup CPU port mode depending on its supported tag format */
2696 	if (chip->tag_protocol == DSA_TAG_PROTO_DSA)
2697 		return mv88e6xxx_set_port_mode_dsa(chip, port);
2698 
2699 	if (chip->tag_protocol == DSA_TAG_PROTO_EDSA)
2700 		return mv88e6xxx_set_port_mode_edsa(chip, port);
2701 
2702 	return -EINVAL;
2703 }
2704 
mv88e6xxx_setup_message_port(struct mv88e6xxx_chip * chip,int port)2705 static int mv88e6xxx_setup_message_port(struct mv88e6xxx_chip *chip, int port)
2706 {
2707 	bool message = dsa_is_dsa_port(chip->ds, port);
2708 
2709 	return mv88e6xxx_port_set_message_port(chip, port, message);
2710 }
2711 
mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip * chip,int port)2712 static int mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip *chip, int port)
2713 {
2714 	int err;
2715 
2716 	if (chip->info->ops->port_set_ucast_flood) {
2717 		err = chip->info->ops->port_set_ucast_flood(chip, port, true);
2718 		if (err)
2719 			return err;
2720 	}
2721 	if (chip->info->ops->port_set_mcast_flood) {
2722 		err = chip->info->ops->port_set_mcast_flood(chip, port, true);
2723 		if (err)
2724 			return err;
2725 	}
2726 
2727 	return 0;
2728 }
2729 
mv88e6xxx_serdes_irq_thread_fn(int irq,void * dev_id)2730 static irqreturn_t mv88e6xxx_serdes_irq_thread_fn(int irq, void *dev_id)
2731 {
2732 	struct mv88e6xxx_port *mvp = dev_id;
2733 	struct mv88e6xxx_chip *chip = mvp->chip;
2734 	irqreturn_t ret = IRQ_NONE;
2735 	int port = mvp->port;
2736 	int lane;
2737 
2738 	mv88e6xxx_reg_lock(chip);
2739 	lane = mv88e6xxx_serdes_get_lane(chip, port);
2740 	if (lane >= 0)
2741 		ret = mv88e6xxx_serdes_irq_status(chip, port, lane);
2742 	mv88e6xxx_reg_unlock(chip);
2743 
2744 	return ret;
2745 }
2746 
mv88e6xxx_serdes_irq_request(struct mv88e6xxx_chip * chip,int port,int lane)2747 static int mv88e6xxx_serdes_irq_request(struct mv88e6xxx_chip *chip, int port,
2748 					int lane)
2749 {
2750 	struct mv88e6xxx_port *dev_id = &chip->ports[port];
2751 	unsigned int irq;
2752 	int err;
2753 
2754 	/* Nothing to request if this SERDES port has no IRQ */
2755 	irq = mv88e6xxx_serdes_irq_mapping(chip, port);
2756 	if (!irq)
2757 		return 0;
2758 
2759 	snprintf(dev_id->serdes_irq_name, sizeof(dev_id->serdes_irq_name),
2760 		 "mv88e6xxx-%s-serdes-%d", dev_name(chip->dev), port);
2761 
2762 	/* Requesting the IRQ will trigger IRQ callbacks, so release the lock */
2763 	mv88e6xxx_reg_unlock(chip);
2764 	err = request_threaded_irq(irq, NULL, mv88e6xxx_serdes_irq_thread_fn,
2765 				   IRQF_ONESHOT, dev_id->serdes_irq_name,
2766 				   dev_id);
2767 	mv88e6xxx_reg_lock(chip);
2768 	if (err)
2769 		return err;
2770 
2771 	dev_id->serdes_irq = irq;
2772 
2773 	return mv88e6xxx_serdes_irq_enable(chip, port, lane);
2774 }
2775 
mv88e6xxx_serdes_irq_free(struct mv88e6xxx_chip * chip,int port,int lane)2776 static int mv88e6xxx_serdes_irq_free(struct mv88e6xxx_chip *chip, int port,
2777 				     int lane)
2778 {
2779 	struct mv88e6xxx_port *dev_id = &chip->ports[port];
2780 	unsigned int irq = dev_id->serdes_irq;
2781 	int err;
2782 
2783 	/* Nothing to free if no IRQ has been requested */
2784 	if (!irq)
2785 		return 0;
2786 
2787 	err = mv88e6xxx_serdes_irq_disable(chip, port, lane);
2788 
2789 	/* Freeing the IRQ will trigger IRQ callbacks, so release the lock */
2790 	mv88e6xxx_reg_unlock(chip);
2791 	free_irq(irq, dev_id);
2792 	mv88e6xxx_reg_lock(chip);
2793 
2794 	dev_id->serdes_irq = 0;
2795 
2796 	return err;
2797 }
2798 
mv88e6xxx_serdes_power(struct mv88e6xxx_chip * chip,int port,bool on)2799 static int mv88e6xxx_serdes_power(struct mv88e6xxx_chip *chip, int port,
2800 				  bool on)
2801 {
2802 	int lane;
2803 	int err;
2804 
2805 	lane = mv88e6xxx_serdes_get_lane(chip, port);
2806 	if (lane < 0)
2807 		return 0;
2808 
2809 	if (on) {
2810 		err = mv88e6xxx_serdes_power_up(chip, port, lane);
2811 		if (err)
2812 			return err;
2813 
2814 		err = mv88e6xxx_serdes_irq_request(chip, port, lane);
2815 	} else {
2816 		err = mv88e6xxx_serdes_irq_free(chip, port, lane);
2817 		if (err)
2818 			return err;
2819 
2820 		err = mv88e6xxx_serdes_power_down(chip, port, lane);
2821 	}
2822 
2823 	return err;
2824 }
2825 
mv88e6xxx_set_egress_port(struct mv88e6xxx_chip * chip,enum mv88e6xxx_egress_direction direction,int port)2826 static int mv88e6xxx_set_egress_port(struct mv88e6xxx_chip *chip,
2827 				     enum mv88e6xxx_egress_direction direction,
2828 				     int port)
2829 {
2830 	int err;
2831 
2832 	if (!chip->info->ops->set_egress_port)
2833 		return -EOPNOTSUPP;
2834 
2835 	err = chip->info->ops->set_egress_port(chip, direction, port);
2836 	if (err)
2837 		return err;
2838 
2839 	if (direction == MV88E6XXX_EGRESS_DIR_INGRESS)
2840 		chip->ingress_dest_port = port;
2841 	else
2842 		chip->egress_dest_port = port;
2843 
2844 	return 0;
2845 }
2846 
mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip * chip,int port)2847 static int mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip *chip, int port)
2848 {
2849 	struct dsa_switch *ds = chip->ds;
2850 	int upstream_port;
2851 	int err;
2852 
2853 	upstream_port = dsa_upstream_port(ds, port);
2854 	if (chip->info->ops->port_set_upstream_port) {
2855 		err = chip->info->ops->port_set_upstream_port(chip, port,
2856 							      upstream_port);
2857 		if (err)
2858 			return err;
2859 	}
2860 
2861 	if (port == upstream_port) {
2862 		if (chip->info->ops->set_cpu_port) {
2863 			err = chip->info->ops->set_cpu_port(chip,
2864 							    upstream_port);
2865 			if (err)
2866 				return err;
2867 		}
2868 
2869 		err = mv88e6xxx_set_egress_port(chip,
2870 						MV88E6XXX_EGRESS_DIR_INGRESS,
2871 						upstream_port);
2872 		if (err && err != -EOPNOTSUPP)
2873 			return err;
2874 
2875 		err = mv88e6xxx_set_egress_port(chip,
2876 						MV88E6XXX_EGRESS_DIR_EGRESS,
2877 						upstream_port);
2878 		if (err && err != -EOPNOTSUPP)
2879 			return err;
2880 	}
2881 
2882 	return 0;
2883 }
2884 
mv88e6xxx_setup_port(struct mv88e6xxx_chip * chip,int port)2885 static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
2886 {
2887 	struct dsa_switch *ds = chip->ds;
2888 	int err;
2889 	u16 reg;
2890 
2891 	chip->ports[port].chip = chip;
2892 	chip->ports[port].port = port;
2893 
2894 	/* MAC Forcing register: don't force link, speed, duplex or flow control
2895 	 * state to any particular values on physical ports, but force the CPU
2896 	 * port and all DSA ports to their maximum bandwidth and full duplex.
2897 	 */
2898 	if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))
2899 		err = mv88e6xxx_port_setup_mac(chip, port, LINK_FORCED_UP,
2900 					       SPEED_MAX, DUPLEX_FULL,
2901 					       PAUSE_OFF,
2902 					       PHY_INTERFACE_MODE_NA);
2903 	else
2904 		err = mv88e6xxx_port_setup_mac(chip, port, LINK_UNFORCED,
2905 					       SPEED_UNFORCED, DUPLEX_UNFORCED,
2906 					       PAUSE_ON,
2907 					       PHY_INTERFACE_MODE_NA);
2908 	if (err)
2909 		return err;
2910 
2911 	/* Port Control: disable Drop-on-Unlock, disable Drop-on-Lock,
2912 	 * disable Header mode, enable IGMP/MLD snooping, disable VLAN
2913 	 * tunneling, determine priority by looking at 802.1p and IP
2914 	 * priority fields (IP prio has precedence), and set STP state
2915 	 * to Forwarding.
2916 	 *
2917 	 * If this is the CPU link, use DSA or EDSA tagging depending
2918 	 * on which tagging mode was configured.
2919 	 *
2920 	 * If this is a link to another switch, use DSA tagging mode.
2921 	 *
2922 	 * If this is the upstream port for this switch, enable
2923 	 * forwarding of unknown unicasts and multicasts.
2924 	 */
2925 	reg = MV88E6185_PORT_CTL0_USE_TAG | MV88E6185_PORT_CTL0_USE_IP |
2926 		MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
2927 	/* Forward any IPv4 IGMP or IPv6 MLD frames received
2928 	 * by a USER port to the CPU port to allow snooping.
2929 	 */
2930 	if (dsa_is_user_port(ds, port))
2931 		reg |= MV88E6XXX_PORT_CTL0_IGMP_MLD_SNOOP;
2932 
2933 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
2934 	if (err)
2935 		return err;
2936 
2937 	err = mv88e6xxx_setup_port_mode(chip, port);
2938 	if (err)
2939 		return err;
2940 
2941 	err = mv88e6xxx_setup_egress_floods(chip, port);
2942 	if (err)
2943 		return err;
2944 
2945 	/* Port Control 2: don't force a good FCS, set the MTU size to
2946 	 * 10222 bytes, disable 802.1q tags checking, don't discard tagged or
2947 	 * untagged frames on this port, do a destination address lookup on all
2948 	 * received packets as usual, disable ARP mirroring and don't send a
2949 	 * copy of all transmitted/received frames on this port to the CPU.
2950 	 */
2951 	err = mv88e6xxx_port_set_map_da(chip, port);
2952 	if (err)
2953 		return err;
2954 
2955 	err = mv88e6xxx_setup_upstream_port(chip, port);
2956 	if (err)
2957 		return err;
2958 
2959 	err = mv88e6xxx_port_set_8021q_mode(chip, port,
2960 				MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED);
2961 	if (err)
2962 		return err;
2963 
2964 	/* Associate MV88E6XXX_VID_BRIDGED with MV88E6XXX_FID_BRIDGED in the
2965 	 * ATU by virtue of the fact that mv88e6xxx_atu_new() will pick it as
2966 	 * the first free FID after MV88E6XXX_FID_STANDALONE. This will be used
2967 	 * as the private PVID on ports under a VLAN-unaware bridge.
2968 	 * Shared (DSA and CPU) ports must also be members of it, to translate
2969 	 * the VID from the DSA tag into MV88E6XXX_FID_BRIDGED, instead of
2970 	 * relying on their port default FID.
2971 	 */
2972 	err = mv88e6xxx_port_vlan_join(chip, port, MV88E6XXX_VID_BRIDGED,
2973 				       MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED,
2974 				       false);
2975 	if (err)
2976 		return err;
2977 
2978 	if (chip->info->ops->port_set_jumbo_size) {
2979 		err = chip->info->ops->port_set_jumbo_size(chip, port, 10218);
2980 		if (err)
2981 			return err;
2982 	}
2983 
2984 	/* Port Association Vector: disable automatic address learning
2985 	 * on all user ports since they start out in standalone
2986 	 * mode. When joining a bridge, learning will be configured to
2987 	 * match the bridge port settings. Enable learning on all
2988 	 * DSA/CPU ports. NOTE: FROM_CPU frames always bypass the
2989 	 * learning process.
2990 	 *
2991 	 * Disable HoldAt1, IntOnAgeOut, LockedPort, IgnoreWrongData,
2992 	 * and RefreshLocked. I.e. setup standard automatic learning.
2993 	 */
2994 	if (dsa_is_user_port(ds, port))
2995 		reg = 0;
2996 	else
2997 		reg = 1 << port;
2998 
2999 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
3000 				   reg);
3001 	if (err)
3002 		return err;
3003 
3004 	/* Egress rate control 2: disable egress rate control. */
3005 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL2,
3006 				   0x0000);
3007 	if (err)
3008 		return err;
3009 
3010 	if (chip->info->ops->port_pause_limit) {
3011 		err = chip->info->ops->port_pause_limit(chip, port, 0, 0);
3012 		if (err)
3013 			return err;
3014 	}
3015 
3016 	if (chip->info->ops->port_disable_learn_limit) {
3017 		err = chip->info->ops->port_disable_learn_limit(chip, port);
3018 		if (err)
3019 			return err;
3020 	}
3021 
3022 	if (chip->info->ops->port_disable_pri_override) {
3023 		err = chip->info->ops->port_disable_pri_override(chip, port);
3024 		if (err)
3025 			return err;
3026 	}
3027 
3028 	if (chip->info->ops->port_tag_remap) {
3029 		err = chip->info->ops->port_tag_remap(chip, port);
3030 		if (err)
3031 			return err;
3032 	}
3033 
3034 	if (chip->info->ops->port_egress_rate_limiting) {
3035 		err = chip->info->ops->port_egress_rate_limiting(chip, port);
3036 		if (err)
3037 			return err;
3038 	}
3039 
3040 	if (chip->info->ops->port_setup_message_port) {
3041 		err = chip->info->ops->port_setup_message_port(chip, port);
3042 		if (err)
3043 			return err;
3044 	}
3045 
3046 	/* Port based VLAN map: give each port the same default address
3047 	 * database, and allow bidirectional communication between the
3048 	 * CPU and DSA port(s), and the other ports.
3049 	 */
3050 	err = mv88e6xxx_port_set_fid(chip, port, MV88E6XXX_FID_STANDALONE);
3051 	if (err)
3052 		return err;
3053 
3054 	err = mv88e6xxx_port_vlan_map(chip, port);
3055 	if (err)
3056 		return err;
3057 
3058 	/* Default VLAN ID and priority: don't set a default VLAN
3059 	 * ID, and set the default packet priority to zero.
3060 	 */
3061 	return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN, 0);
3062 }
3063 
mv88e6xxx_get_max_mtu(struct dsa_switch * ds,int port)3064 static int mv88e6xxx_get_max_mtu(struct dsa_switch *ds, int port)
3065 {
3066 	struct mv88e6xxx_chip *chip = ds->priv;
3067 
3068 	if (chip->info->ops->port_set_jumbo_size)
3069 		return 10240 - VLAN_ETH_HLEN - EDSA_HLEN - ETH_FCS_LEN;
3070 	else if (chip->info->ops->set_max_frame_size)
3071 		return 1632 - VLAN_ETH_HLEN - EDSA_HLEN - ETH_FCS_LEN;
3072 	return ETH_DATA_LEN;
3073 }
3074 
mv88e6xxx_change_mtu(struct dsa_switch * ds,int port,int new_mtu)3075 static int mv88e6xxx_change_mtu(struct dsa_switch *ds, int port, int new_mtu)
3076 {
3077 	struct mv88e6xxx_chip *chip = ds->priv;
3078 	int ret = 0;
3079 
3080 	/* For families where we don't know how to alter the MTU,
3081 	 * just accept any value up to ETH_DATA_LEN
3082 	 */
3083 	if (!chip->info->ops->port_set_jumbo_size &&
3084 	    !chip->info->ops->set_max_frame_size) {
3085 		if (new_mtu > ETH_DATA_LEN)
3086 			return -EINVAL;
3087 
3088 		return 0;
3089 	}
3090 
3091 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
3092 		new_mtu += EDSA_HLEN;
3093 
3094 	mv88e6xxx_reg_lock(chip);
3095 	if (chip->info->ops->port_set_jumbo_size)
3096 		ret = chip->info->ops->port_set_jumbo_size(chip, port, new_mtu);
3097 	else if (chip->info->ops->set_max_frame_size)
3098 		ret = chip->info->ops->set_max_frame_size(chip, new_mtu);
3099 	mv88e6xxx_reg_unlock(chip);
3100 
3101 	return ret;
3102 }
3103 
mv88e6xxx_port_enable(struct dsa_switch * ds,int port,struct phy_device * phydev)3104 static int mv88e6xxx_port_enable(struct dsa_switch *ds, int port,
3105 				 struct phy_device *phydev)
3106 {
3107 	struct mv88e6xxx_chip *chip = ds->priv;
3108 	int err;
3109 
3110 	mv88e6xxx_reg_lock(chip);
3111 	err = mv88e6xxx_serdes_power(chip, port, true);
3112 	mv88e6xxx_reg_unlock(chip);
3113 
3114 	return err;
3115 }
3116 
mv88e6xxx_port_disable(struct dsa_switch * ds,int port)3117 static void mv88e6xxx_port_disable(struct dsa_switch *ds, int port)
3118 {
3119 	struct mv88e6xxx_chip *chip = ds->priv;
3120 
3121 	mv88e6xxx_reg_lock(chip);
3122 	if (mv88e6xxx_serdes_power(chip, port, false))
3123 		dev_err(chip->dev, "failed to power off SERDES\n");
3124 	mv88e6xxx_reg_unlock(chip);
3125 }
3126 
mv88e6xxx_set_ageing_time(struct dsa_switch * ds,unsigned int ageing_time)3127 static int mv88e6xxx_set_ageing_time(struct dsa_switch *ds,
3128 				     unsigned int ageing_time)
3129 {
3130 	struct mv88e6xxx_chip *chip = ds->priv;
3131 	int err;
3132 
3133 	mv88e6xxx_reg_lock(chip);
3134 	err = mv88e6xxx_g1_atu_set_age_time(chip, ageing_time);
3135 	mv88e6xxx_reg_unlock(chip);
3136 
3137 	return err;
3138 }
3139 
mv88e6xxx_stats_setup(struct mv88e6xxx_chip * chip)3140 static int mv88e6xxx_stats_setup(struct mv88e6xxx_chip *chip)
3141 {
3142 	int err;
3143 
3144 	/* Initialize the statistics unit */
3145 	if (chip->info->ops->stats_set_histogram) {
3146 		err = chip->info->ops->stats_set_histogram(chip);
3147 		if (err)
3148 			return err;
3149 	}
3150 
3151 	return mv88e6xxx_g1_stats_clear(chip);
3152 }
3153 
3154 /* Check if the errata has already been applied. */
mv88e6390_setup_errata_applied(struct mv88e6xxx_chip * chip)3155 static bool mv88e6390_setup_errata_applied(struct mv88e6xxx_chip *chip)
3156 {
3157 	int port;
3158 	int err;
3159 	u16 val;
3160 
3161 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3162 		err = mv88e6xxx_port_hidden_read(chip, 0xf, port, 0, &val);
3163 		if (err) {
3164 			dev_err(chip->dev,
3165 				"Error reading hidden register: %d\n", err);
3166 			return false;
3167 		}
3168 		if (val != 0x01c0)
3169 			return false;
3170 	}
3171 
3172 	return true;
3173 }
3174 
3175 /* The 6390 copper ports have an errata which require poking magic
3176  * values into undocumented hidden registers and then performing a
3177  * software reset.
3178  */
mv88e6390_setup_errata(struct mv88e6xxx_chip * chip)3179 static int mv88e6390_setup_errata(struct mv88e6xxx_chip *chip)
3180 {
3181 	int port;
3182 	int err;
3183 
3184 	if (mv88e6390_setup_errata_applied(chip))
3185 		return 0;
3186 
3187 	/* Set the ports into blocking mode */
3188 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3189 		err = mv88e6xxx_port_set_state(chip, port, BR_STATE_DISABLED);
3190 		if (err)
3191 			return err;
3192 	}
3193 
3194 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3195 		err = mv88e6xxx_port_hidden_write(chip, 0xf, port, 0, 0x01c0);
3196 		if (err)
3197 			return err;
3198 	}
3199 
3200 	return mv88e6xxx_software_reset(chip);
3201 }
3202 
mv88e6xxx_teardown(struct dsa_switch * ds)3203 static void mv88e6xxx_teardown(struct dsa_switch *ds)
3204 {
3205 	mv88e6xxx_teardown_devlink_params(ds);
3206 	dsa_devlink_resources_unregister(ds);
3207 	mv88e6xxx_teardown_devlink_regions_global(ds);
3208 }
3209 
mv88e6xxx_setup(struct dsa_switch * ds)3210 static int mv88e6xxx_setup(struct dsa_switch *ds)
3211 {
3212 	struct mv88e6xxx_chip *chip = ds->priv;
3213 	u8 cmode;
3214 	int err;
3215 	int i;
3216 
3217 	chip->ds = ds;
3218 	ds->slave_mii_bus = mv88e6xxx_default_mdio_bus(chip);
3219 
3220 	/* Since virtual bridges are mapped in the PVT, the number we support
3221 	 * depends on the physical switch topology. We need to let DSA figure
3222 	 * that out and therefore we cannot set this at dsa_register_switch()
3223 	 * time.
3224 	 */
3225 	if (mv88e6xxx_has_pvt(chip))
3226 		ds->num_fwd_offloading_bridges = MV88E6XXX_MAX_PVT_SWITCHES -
3227 						 ds->dst->last_switch - 1;
3228 
3229 	mv88e6xxx_reg_lock(chip);
3230 
3231 	if (chip->info->ops->setup_errata) {
3232 		err = chip->info->ops->setup_errata(chip);
3233 		if (err)
3234 			goto unlock;
3235 	}
3236 
3237 	/* Cache the cmode of each port. */
3238 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
3239 		if (chip->info->ops->port_get_cmode) {
3240 			err = chip->info->ops->port_get_cmode(chip, i, &cmode);
3241 			if (err)
3242 				goto unlock;
3243 
3244 			chip->ports[i].cmode = cmode;
3245 		}
3246 	}
3247 
3248 	err = mv88e6xxx_vtu_setup(chip);
3249 	if (err)
3250 		goto unlock;
3251 
3252 	/* Setup Switch Port Registers */
3253 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
3254 		if (dsa_is_unused_port(ds, i))
3255 			continue;
3256 
3257 		/* Prevent the use of an invalid port. */
3258 		if (mv88e6xxx_is_invalid_port(chip, i)) {
3259 			dev_err(chip->dev, "port %d is invalid\n", i);
3260 			err = -EINVAL;
3261 			goto unlock;
3262 		}
3263 
3264 		err = mv88e6xxx_setup_port(chip, i);
3265 		if (err)
3266 			goto unlock;
3267 	}
3268 
3269 	err = mv88e6xxx_irl_setup(chip);
3270 	if (err)
3271 		goto unlock;
3272 
3273 	err = mv88e6xxx_mac_setup(chip);
3274 	if (err)
3275 		goto unlock;
3276 
3277 	err = mv88e6xxx_phy_setup(chip);
3278 	if (err)
3279 		goto unlock;
3280 
3281 	err = mv88e6xxx_pvt_setup(chip);
3282 	if (err)
3283 		goto unlock;
3284 
3285 	err = mv88e6xxx_atu_setup(chip);
3286 	if (err)
3287 		goto unlock;
3288 
3289 	err = mv88e6xxx_broadcast_setup(chip, 0);
3290 	if (err)
3291 		goto unlock;
3292 
3293 	err = mv88e6xxx_pot_setup(chip);
3294 	if (err)
3295 		goto unlock;
3296 
3297 	err = mv88e6xxx_rmu_setup(chip);
3298 	if (err)
3299 		goto unlock;
3300 
3301 	err = mv88e6xxx_rsvd2cpu_setup(chip);
3302 	if (err)
3303 		goto unlock;
3304 
3305 	err = mv88e6xxx_trunk_setup(chip);
3306 	if (err)
3307 		goto unlock;
3308 
3309 	err = mv88e6xxx_devmap_setup(chip);
3310 	if (err)
3311 		goto unlock;
3312 
3313 	err = mv88e6xxx_pri_setup(chip);
3314 	if (err)
3315 		goto unlock;
3316 
3317 	/* Setup PTP Hardware Clock and timestamping */
3318 	if (chip->info->ptp_support) {
3319 		err = mv88e6xxx_ptp_setup(chip);
3320 		if (err)
3321 			goto unlock;
3322 
3323 		err = mv88e6xxx_hwtstamp_setup(chip);
3324 		if (err)
3325 			goto unlock;
3326 	}
3327 
3328 	err = mv88e6xxx_stats_setup(chip);
3329 	if (err)
3330 		goto unlock;
3331 
3332 unlock:
3333 	mv88e6xxx_reg_unlock(chip);
3334 
3335 	if (err)
3336 		return err;
3337 
3338 	/* Have to be called without holding the register lock, since
3339 	 * they take the devlink lock, and we later take the locks in
3340 	 * the reverse order when getting/setting parameters or
3341 	 * resource occupancy.
3342 	 */
3343 	err = mv88e6xxx_setup_devlink_resources(ds);
3344 	if (err)
3345 		return err;
3346 
3347 	err = mv88e6xxx_setup_devlink_params(ds);
3348 	if (err)
3349 		goto out_resources;
3350 
3351 	err = mv88e6xxx_setup_devlink_regions_global(ds);
3352 	if (err)
3353 		goto out_params;
3354 
3355 	return 0;
3356 
3357 out_params:
3358 	mv88e6xxx_teardown_devlink_params(ds);
3359 out_resources:
3360 	dsa_devlink_resources_unregister(ds);
3361 
3362 	return err;
3363 }
3364 
mv88e6xxx_port_setup(struct dsa_switch * ds,int port)3365 static int mv88e6xxx_port_setup(struct dsa_switch *ds, int port)
3366 {
3367 	return mv88e6xxx_setup_devlink_regions_port(ds, port);
3368 }
3369 
mv88e6xxx_port_teardown(struct dsa_switch * ds,int port)3370 static void mv88e6xxx_port_teardown(struct dsa_switch *ds, int port)
3371 {
3372 	mv88e6xxx_teardown_devlink_regions_port(ds, port);
3373 }
3374 
3375 /* prod_id for switch families which do not have a PHY model number */
3376 static const u16 family_prod_id_table[] = {
3377 	[MV88E6XXX_FAMILY_6341] = MV88E6XXX_PORT_SWITCH_ID_PROD_6341,
3378 	[MV88E6XXX_FAMILY_6390] = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
3379 	[MV88E6XXX_FAMILY_6393] = MV88E6XXX_PORT_SWITCH_ID_PROD_6393X,
3380 };
3381 
mv88e6xxx_mdio_read(struct mii_bus * bus,int phy,int reg)3382 static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
3383 {
3384 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3385 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3386 	u16 prod_id;
3387 	u16 val;
3388 	int err;
3389 
3390 	if (!chip->info->ops->phy_read)
3391 		return -EOPNOTSUPP;
3392 
3393 	mv88e6xxx_reg_lock(chip);
3394 	err = chip->info->ops->phy_read(chip, bus, phy, reg, &val);
3395 	mv88e6xxx_reg_unlock(chip);
3396 
3397 	/* Some internal PHYs don't have a model number. */
3398 	if (reg == MII_PHYSID2 && !(val & 0x3f0) &&
3399 	    chip->info->family < ARRAY_SIZE(family_prod_id_table)) {
3400 		prod_id = family_prod_id_table[chip->info->family];
3401 		if (prod_id)
3402 			val |= prod_id >> 4;
3403 	}
3404 
3405 	return err ? err : val;
3406 }
3407 
mv88e6xxx_mdio_write(struct mii_bus * bus,int phy,int reg,u16 val)3408 static int mv88e6xxx_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val)
3409 {
3410 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3411 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3412 	int err;
3413 
3414 	if (!chip->info->ops->phy_write)
3415 		return -EOPNOTSUPP;
3416 
3417 	mv88e6xxx_reg_lock(chip);
3418 	err = chip->info->ops->phy_write(chip, bus, phy, reg, val);
3419 	mv88e6xxx_reg_unlock(chip);
3420 
3421 	return err;
3422 }
3423 
mv88e6xxx_mdio_register(struct mv88e6xxx_chip * chip,struct device_node * np,bool external)3424 static int mv88e6xxx_mdio_register(struct mv88e6xxx_chip *chip,
3425 				   struct device_node *np,
3426 				   bool external)
3427 {
3428 	static int index;
3429 	struct mv88e6xxx_mdio_bus *mdio_bus;
3430 	struct mii_bus *bus;
3431 	int err;
3432 
3433 	if (external) {
3434 		mv88e6xxx_reg_lock(chip);
3435 		err = mv88e6xxx_g2_scratch_gpio_set_smi(chip, true);
3436 		mv88e6xxx_reg_unlock(chip);
3437 
3438 		if (err)
3439 			return err;
3440 	}
3441 
3442 	bus = mdiobus_alloc_size(sizeof(*mdio_bus));
3443 	if (!bus)
3444 		return -ENOMEM;
3445 
3446 	mdio_bus = bus->priv;
3447 	mdio_bus->bus = bus;
3448 	mdio_bus->chip = chip;
3449 	INIT_LIST_HEAD(&mdio_bus->list);
3450 	mdio_bus->external = external;
3451 
3452 	if (np) {
3453 		bus->name = np->full_name;
3454 		snprintf(bus->id, MII_BUS_ID_SIZE, "%pOF", np);
3455 	} else {
3456 		bus->name = "mv88e6xxx SMI";
3457 		snprintf(bus->id, MII_BUS_ID_SIZE, "mv88e6xxx-%d", index++);
3458 	}
3459 
3460 	bus->read = mv88e6xxx_mdio_read;
3461 	bus->write = mv88e6xxx_mdio_write;
3462 	bus->parent = chip->dev;
3463 
3464 	if (!external) {
3465 		err = mv88e6xxx_g2_irq_mdio_setup(chip, bus);
3466 		if (err)
3467 			goto out;
3468 	}
3469 
3470 	err = of_mdiobus_register(bus, np);
3471 	if (err) {
3472 		dev_err(chip->dev, "Cannot register MDIO bus (%d)\n", err);
3473 		mv88e6xxx_g2_irq_mdio_free(chip, bus);
3474 		goto out;
3475 	}
3476 
3477 	if (external)
3478 		list_add_tail(&mdio_bus->list, &chip->mdios);
3479 	else
3480 		list_add(&mdio_bus->list, &chip->mdios);
3481 
3482 	return 0;
3483 
3484 out:
3485 	mdiobus_free(bus);
3486 	return err;
3487 }
3488 
mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip * chip)3489 static void mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip *chip)
3490 
3491 {
3492 	struct mv88e6xxx_mdio_bus *mdio_bus, *p;
3493 	struct mii_bus *bus;
3494 
3495 	list_for_each_entry_safe(mdio_bus, p, &chip->mdios, list) {
3496 		bus = mdio_bus->bus;
3497 
3498 		if (!mdio_bus->external)
3499 			mv88e6xxx_g2_irq_mdio_free(chip, bus);
3500 
3501 		mdiobus_unregister(bus);
3502 		mdiobus_free(bus);
3503 	}
3504 }
3505 
mv88e6xxx_mdios_register(struct mv88e6xxx_chip * chip,struct device_node * np)3506 static int mv88e6xxx_mdios_register(struct mv88e6xxx_chip *chip,
3507 				    struct device_node *np)
3508 {
3509 	struct device_node *child;
3510 	int err;
3511 
3512 	/* Always register one mdio bus for the internal/default mdio
3513 	 * bus. This maybe represented in the device tree, but is
3514 	 * optional.
3515 	 */
3516 	child = of_get_child_by_name(np, "mdio");
3517 	err = mv88e6xxx_mdio_register(chip, child, false);
3518 	of_node_put(child);
3519 	if (err)
3520 		return err;
3521 
3522 	/* Walk the device tree, and see if there are any other nodes
3523 	 * which say they are compatible with the external mdio
3524 	 * bus.
3525 	 */
3526 	for_each_available_child_of_node(np, child) {
3527 		if (of_device_is_compatible(
3528 			    child, "marvell,mv88e6xxx-mdio-external")) {
3529 			err = mv88e6xxx_mdio_register(chip, child, true);
3530 			if (err) {
3531 				mv88e6xxx_mdios_unregister(chip);
3532 				of_node_put(child);
3533 				return err;
3534 			}
3535 		}
3536 	}
3537 
3538 	return 0;
3539 }
3540 
mv88e6xxx_get_eeprom_len(struct dsa_switch * ds)3541 static int mv88e6xxx_get_eeprom_len(struct dsa_switch *ds)
3542 {
3543 	struct mv88e6xxx_chip *chip = ds->priv;
3544 
3545 	return chip->eeprom_len;
3546 }
3547 
mv88e6xxx_get_eeprom(struct dsa_switch * ds,struct ethtool_eeprom * eeprom,u8 * data)3548 static int mv88e6xxx_get_eeprom(struct dsa_switch *ds,
3549 				struct ethtool_eeprom *eeprom, u8 *data)
3550 {
3551 	struct mv88e6xxx_chip *chip = ds->priv;
3552 	int err;
3553 
3554 	if (!chip->info->ops->get_eeprom)
3555 		return -EOPNOTSUPP;
3556 
3557 	mv88e6xxx_reg_lock(chip);
3558 	err = chip->info->ops->get_eeprom(chip, eeprom, data);
3559 	mv88e6xxx_reg_unlock(chip);
3560 
3561 	if (err)
3562 		return err;
3563 
3564 	eeprom->magic = 0xc3ec4951;
3565 
3566 	return 0;
3567 }
3568 
mv88e6xxx_set_eeprom(struct dsa_switch * ds,struct ethtool_eeprom * eeprom,u8 * data)3569 static int mv88e6xxx_set_eeprom(struct dsa_switch *ds,
3570 				struct ethtool_eeprom *eeprom, u8 *data)
3571 {
3572 	struct mv88e6xxx_chip *chip = ds->priv;
3573 	int err;
3574 
3575 	if (!chip->info->ops->set_eeprom)
3576 		return -EOPNOTSUPP;
3577 
3578 	if (eeprom->magic != 0xc3ec4951)
3579 		return -EINVAL;
3580 
3581 	mv88e6xxx_reg_lock(chip);
3582 	err = chip->info->ops->set_eeprom(chip, eeprom, data);
3583 	mv88e6xxx_reg_unlock(chip);
3584 
3585 	return err;
3586 }
3587 
3588 static const struct mv88e6xxx_ops mv88e6085_ops = {
3589 	/* MV88E6XXX_FAMILY_6097 */
3590 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3591 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3592 	.irl_init_all = mv88e6352_g2_irl_init_all,
3593 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
3594 	.phy_read = mv88e6185_phy_ppu_read,
3595 	.phy_write = mv88e6185_phy_ppu_write,
3596 	.port_set_link = mv88e6xxx_port_set_link,
3597 	.port_sync_link = mv88e6xxx_port_sync_link,
3598 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
3599 	.port_tag_remap = mv88e6095_port_tag_remap,
3600 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3601 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
3602 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
3603 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3604 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3605 	.port_pause_limit = mv88e6097_port_pause_limit,
3606 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3607 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3608 	.port_get_cmode = mv88e6185_port_get_cmode,
3609 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3610 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3611 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3612 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3613 	.stats_get_strings = mv88e6095_stats_get_strings,
3614 	.stats_get_stats = mv88e6095_stats_get_stats,
3615 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3616 	.set_egress_port = mv88e6095_g1_set_egress_port,
3617 	.watchdog_ops = &mv88e6097_watchdog_ops,
3618 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3619 	.pot_clear = mv88e6xxx_g2_pot_clear,
3620 	.ppu_enable = mv88e6185_g1_ppu_enable,
3621 	.ppu_disable = mv88e6185_g1_ppu_disable,
3622 	.reset = mv88e6185_g1_reset,
3623 	.rmu_disable = mv88e6085_g1_rmu_disable,
3624 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3625 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3626 	.phylink_validate = mv88e6185_phylink_validate,
3627 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
3628 };
3629 
3630 static const struct mv88e6xxx_ops mv88e6095_ops = {
3631 	/* MV88E6XXX_FAMILY_6095 */
3632 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3633 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3634 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
3635 	.phy_read = mv88e6185_phy_ppu_read,
3636 	.phy_write = mv88e6185_phy_ppu_write,
3637 	.port_set_link = mv88e6xxx_port_set_link,
3638 	.port_sync_link = mv88e6185_port_sync_link,
3639 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
3640 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
3641 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
3642 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
3643 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
3644 	.port_get_cmode = mv88e6185_port_get_cmode,
3645 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3646 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3647 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3648 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3649 	.stats_get_strings = mv88e6095_stats_get_strings,
3650 	.stats_get_stats = mv88e6095_stats_get_stats,
3651 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
3652 	.serdes_power = mv88e6185_serdes_power,
3653 	.serdes_get_lane = mv88e6185_serdes_get_lane,
3654 	.serdes_pcs_get_state = mv88e6185_serdes_pcs_get_state,
3655 	.ppu_enable = mv88e6185_g1_ppu_enable,
3656 	.ppu_disable = mv88e6185_g1_ppu_disable,
3657 	.reset = mv88e6185_g1_reset,
3658 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3659 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3660 	.phylink_validate = mv88e6185_phylink_validate,
3661 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
3662 };
3663 
3664 static const struct mv88e6xxx_ops mv88e6097_ops = {
3665 	/* MV88E6XXX_FAMILY_6097 */
3666 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3667 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3668 	.irl_init_all = mv88e6352_g2_irl_init_all,
3669 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3670 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3671 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3672 	.port_set_link = mv88e6xxx_port_set_link,
3673 	.port_sync_link = mv88e6185_port_sync_link,
3674 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
3675 	.port_tag_remap = mv88e6095_port_tag_remap,
3676 	.port_set_policy = mv88e6352_port_set_policy,
3677 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3678 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
3679 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
3680 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3681 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
3682 	.port_pause_limit = mv88e6097_port_pause_limit,
3683 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3684 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3685 	.port_get_cmode = mv88e6185_port_get_cmode,
3686 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3687 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3688 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3689 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3690 	.stats_get_strings = mv88e6095_stats_get_strings,
3691 	.stats_get_stats = mv88e6095_stats_get_stats,
3692 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3693 	.set_egress_port = mv88e6095_g1_set_egress_port,
3694 	.watchdog_ops = &mv88e6097_watchdog_ops,
3695 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3696 	.serdes_power = mv88e6185_serdes_power,
3697 	.serdes_get_lane = mv88e6185_serdes_get_lane,
3698 	.serdes_pcs_get_state = mv88e6185_serdes_pcs_get_state,
3699 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
3700 	.serdes_irq_enable = mv88e6097_serdes_irq_enable,
3701 	.serdes_irq_status = mv88e6097_serdes_irq_status,
3702 	.pot_clear = mv88e6xxx_g2_pot_clear,
3703 	.reset = mv88e6352_g1_reset,
3704 	.rmu_disable = mv88e6085_g1_rmu_disable,
3705 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3706 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3707 	.phylink_validate = mv88e6185_phylink_validate,
3708 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
3709 };
3710 
3711 static const struct mv88e6xxx_ops mv88e6123_ops = {
3712 	/* MV88E6XXX_FAMILY_6165 */
3713 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3714 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3715 	.irl_init_all = mv88e6352_g2_irl_init_all,
3716 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3717 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3718 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3719 	.port_set_link = mv88e6xxx_port_set_link,
3720 	.port_sync_link = mv88e6xxx_port_sync_link,
3721 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
3722 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
3723 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
3724 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
3725 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3726 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3727 	.port_get_cmode = mv88e6185_port_get_cmode,
3728 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3729 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3730 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3731 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3732 	.stats_get_strings = mv88e6095_stats_get_strings,
3733 	.stats_get_stats = mv88e6095_stats_get_stats,
3734 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3735 	.set_egress_port = mv88e6095_g1_set_egress_port,
3736 	.watchdog_ops = &mv88e6097_watchdog_ops,
3737 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3738 	.pot_clear = mv88e6xxx_g2_pot_clear,
3739 	.reset = mv88e6352_g1_reset,
3740 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
3741 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
3742 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3743 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3744 	.phylink_validate = mv88e6185_phylink_validate,
3745 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
3746 };
3747 
3748 static const struct mv88e6xxx_ops mv88e6131_ops = {
3749 	/* MV88E6XXX_FAMILY_6185 */
3750 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3751 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3752 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
3753 	.phy_read = mv88e6185_phy_ppu_read,
3754 	.phy_write = mv88e6185_phy_ppu_write,
3755 	.port_set_link = mv88e6xxx_port_set_link,
3756 	.port_sync_link = mv88e6xxx_port_sync_link,
3757 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
3758 	.port_tag_remap = mv88e6095_port_tag_remap,
3759 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3760 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
3761 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
3762 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3763 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
3764 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3765 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3766 	.port_pause_limit = mv88e6097_port_pause_limit,
3767 	.port_set_pause = mv88e6185_port_set_pause,
3768 	.port_get_cmode = mv88e6185_port_get_cmode,
3769 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3770 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3771 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3772 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3773 	.stats_get_strings = mv88e6095_stats_get_strings,
3774 	.stats_get_stats = mv88e6095_stats_get_stats,
3775 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3776 	.set_egress_port = mv88e6095_g1_set_egress_port,
3777 	.watchdog_ops = &mv88e6097_watchdog_ops,
3778 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
3779 	.ppu_enable = mv88e6185_g1_ppu_enable,
3780 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
3781 	.ppu_disable = mv88e6185_g1_ppu_disable,
3782 	.reset = mv88e6185_g1_reset,
3783 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
3784 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
3785 	.phylink_validate = mv88e6185_phylink_validate,
3786 };
3787 
3788 static const struct mv88e6xxx_ops mv88e6141_ops = {
3789 	/* MV88E6XXX_FAMILY_6341 */
3790 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3791 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3792 	.irl_init_all = mv88e6352_g2_irl_init_all,
3793 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
3794 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
3795 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3796 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3797 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3798 	.port_set_link = mv88e6xxx_port_set_link,
3799 	.port_sync_link = mv88e6xxx_port_sync_link,
3800 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
3801 	.port_set_speed_duplex = mv88e6341_port_set_speed_duplex,
3802 	.port_max_speed_mode = mv88e6341_port_max_speed_mode,
3803 	.port_tag_remap = mv88e6095_port_tag_remap,
3804 	.port_set_policy = mv88e6352_port_set_policy,
3805 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3806 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
3807 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
3808 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3809 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3810 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3811 	.port_pause_limit = mv88e6097_port_pause_limit,
3812 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3813 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3814 	.port_get_cmode = mv88e6352_port_get_cmode,
3815 	.port_set_cmode = mv88e6341_port_set_cmode,
3816 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3817 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
3818 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
3819 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
3820 	.stats_get_strings = mv88e6320_stats_get_strings,
3821 	.stats_get_stats = mv88e6390_stats_get_stats,
3822 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
3823 	.set_egress_port = mv88e6390_g1_set_egress_port,
3824 	.watchdog_ops = &mv88e6390_watchdog_ops,
3825 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
3826 	.pot_clear = mv88e6xxx_g2_pot_clear,
3827 	.reset = mv88e6352_g1_reset,
3828 	.rmu_disable = mv88e6390_g1_rmu_disable,
3829 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
3830 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
3831 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3832 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3833 	.serdes_power = mv88e6390_serdes_power,
3834 	.serdes_get_lane = mv88e6341_serdes_get_lane,
3835 	/* Check status register pause & lpa register */
3836 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
3837 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
3838 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
3839 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
3840 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
3841 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
3842 	.serdes_irq_status = mv88e6390_serdes_irq_status,
3843 	.gpio_ops = &mv88e6352_gpio_ops,
3844 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
3845 	.serdes_get_strings = mv88e6390_serdes_get_strings,
3846 	.serdes_get_stats = mv88e6390_serdes_get_stats,
3847 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
3848 	.serdes_get_regs = mv88e6390_serdes_get_regs,
3849 	.phylink_validate = mv88e6341_phylink_validate,
3850 };
3851 
3852 static const struct mv88e6xxx_ops mv88e6161_ops = {
3853 	/* MV88E6XXX_FAMILY_6165 */
3854 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3855 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3856 	.irl_init_all = mv88e6352_g2_irl_init_all,
3857 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3858 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3859 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3860 	.port_set_link = mv88e6xxx_port_set_link,
3861 	.port_sync_link = mv88e6xxx_port_sync_link,
3862 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
3863 	.port_tag_remap = mv88e6095_port_tag_remap,
3864 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3865 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
3866 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
3867 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3868 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3869 	.port_pause_limit = mv88e6097_port_pause_limit,
3870 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3871 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3872 	.port_get_cmode = mv88e6185_port_get_cmode,
3873 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3874 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3875 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3876 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3877 	.stats_get_strings = mv88e6095_stats_get_strings,
3878 	.stats_get_stats = mv88e6095_stats_get_stats,
3879 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3880 	.set_egress_port = mv88e6095_g1_set_egress_port,
3881 	.watchdog_ops = &mv88e6097_watchdog_ops,
3882 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3883 	.pot_clear = mv88e6xxx_g2_pot_clear,
3884 	.reset = mv88e6352_g1_reset,
3885 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
3886 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
3887 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3888 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3889 	.avb_ops = &mv88e6165_avb_ops,
3890 	.ptp_ops = &mv88e6165_ptp_ops,
3891 	.phylink_validate = mv88e6185_phylink_validate,
3892 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
3893 };
3894 
3895 static const struct mv88e6xxx_ops mv88e6165_ops = {
3896 	/* MV88E6XXX_FAMILY_6165 */
3897 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3898 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3899 	.irl_init_all = mv88e6352_g2_irl_init_all,
3900 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3901 	.phy_read = mv88e6165_phy_read,
3902 	.phy_write = mv88e6165_phy_write,
3903 	.port_set_link = mv88e6xxx_port_set_link,
3904 	.port_sync_link = mv88e6xxx_port_sync_link,
3905 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
3906 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3907 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3908 	.port_get_cmode = mv88e6185_port_get_cmode,
3909 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3910 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
3911 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3912 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3913 	.stats_get_strings = mv88e6095_stats_get_strings,
3914 	.stats_get_stats = mv88e6095_stats_get_stats,
3915 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3916 	.set_egress_port = mv88e6095_g1_set_egress_port,
3917 	.watchdog_ops = &mv88e6097_watchdog_ops,
3918 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3919 	.pot_clear = mv88e6xxx_g2_pot_clear,
3920 	.reset = mv88e6352_g1_reset,
3921 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
3922 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
3923 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3924 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3925 	.avb_ops = &mv88e6165_avb_ops,
3926 	.ptp_ops = &mv88e6165_ptp_ops,
3927 	.phylink_validate = mv88e6185_phylink_validate,
3928 };
3929 
3930 static const struct mv88e6xxx_ops mv88e6171_ops = {
3931 	/* MV88E6XXX_FAMILY_6351 */
3932 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3933 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3934 	.irl_init_all = mv88e6352_g2_irl_init_all,
3935 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3936 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3937 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3938 	.port_set_link = mv88e6xxx_port_set_link,
3939 	.port_sync_link = mv88e6xxx_port_sync_link,
3940 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3941 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
3942 	.port_tag_remap = mv88e6095_port_tag_remap,
3943 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3944 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
3945 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
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_get_cmode = mv88e6352_port_get_cmode,
3953 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3954 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
3955 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
3956 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
3957 	.stats_get_strings = mv88e6095_stats_get_strings,
3958 	.stats_get_stats = mv88e6095_stats_get_stats,
3959 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
3960 	.set_egress_port = mv88e6095_g1_set_egress_port,
3961 	.watchdog_ops = &mv88e6097_watchdog_ops,
3962 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
3963 	.pot_clear = mv88e6xxx_g2_pot_clear,
3964 	.reset = mv88e6352_g1_reset,
3965 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
3966 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
3967 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
3968 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
3969 	.phylink_validate = mv88e6185_phylink_validate,
3970 };
3971 
3972 static const struct mv88e6xxx_ops mv88e6172_ops = {
3973 	/* MV88E6XXX_FAMILY_6352 */
3974 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
3975 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
3976 	.irl_init_all = mv88e6352_g2_irl_init_all,
3977 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
3978 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
3979 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
3980 	.phy_read = mv88e6xxx_g2_smi_phy_read,
3981 	.phy_write = mv88e6xxx_g2_smi_phy_write,
3982 	.port_set_link = mv88e6xxx_port_set_link,
3983 	.port_sync_link = mv88e6xxx_port_sync_link,
3984 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
3985 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
3986 	.port_tag_remap = mv88e6095_port_tag_remap,
3987 	.port_set_policy = mv88e6352_port_set_policy,
3988 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
3989 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
3990 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
3991 	.port_set_ether_type = mv88e6351_port_set_ether_type,
3992 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
3993 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
3994 	.port_pause_limit = mv88e6097_port_pause_limit,
3995 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
3996 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
3997 	.port_get_cmode = mv88e6352_port_get_cmode,
3998 	.port_setup_message_port = mv88e6xxx_setup_message_port,
3999 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4000 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4001 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4002 	.stats_get_strings = mv88e6095_stats_get_strings,
4003 	.stats_get_stats = mv88e6095_stats_get_stats,
4004 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4005 	.set_egress_port = mv88e6095_g1_set_egress_port,
4006 	.watchdog_ops = &mv88e6097_watchdog_ops,
4007 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4008 	.pot_clear = mv88e6xxx_g2_pot_clear,
4009 	.reset = mv88e6352_g1_reset,
4010 	.rmu_disable = mv88e6352_g1_rmu_disable,
4011 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4012 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4013 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4014 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4015 	.serdes_get_lane = mv88e6352_serdes_get_lane,
4016 	.serdes_pcs_get_state = mv88e6352_serdes_pcs_get_state,
4017 	.serdes_pcs_config = mv88e6352_serdes_pcs_config,
4018 	.serdes_pcs_an_restart = mv88e6352_serdes_pcs_an_restart,
4019 	.serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
4020 	.serdes_power = mv88e6352_serdes_power,
4021 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
4022 	.serdes_get_regs = mv88e6352_serdes_get_regs,
4023 	.gpio_ops = &mv88e6352_gpio_ops,
4024 	.phylink_validate = mv88e6352_phylink_validate,
4025 };
4026 
4027 static const struct mv88e6xxx_ops mv88e6175_ops = {
4028 	/* MV88E6XXX_FAMILY_6351 */
4029 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4030 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4031 	.irl_init_all = mv88e6352_g2_irl_init_all,
4032 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4033 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4034 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4035 	.port_set_link = mv88e6xxx_port_set_link,
4036 	.port_sync_link = mv88e6xxx_port_sync_link,
4037 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4038 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4039 	.port_tag_remap = mv88e6095_port_tag_remap,
4040 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4041 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4042 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4043 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4044 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4045 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4046 	.port_pause_limit = mv88e6097_port_pause_limit,
4047 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4048 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4049 	.port_get_cmode = mv88e6352_port_get_cmode,
4050 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4051 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4052 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4053 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4054 	.stats_get_strings = mv88e6095_stats_get_strings,
4055 	.stats_get_stats = mv88e6095_stats_get_stats,
4056 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4057 	.set_egress_port = mv88e6095_g1_set_egress_port,
4058 	.watchdog_ops = &mv88e6097_watchdog_ops,
4059 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4060 	.pot_clear = mv88e6xxx_g2_pot_clear,
4061 	.reset = mv88e6352_g1_reset,
4062 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4063 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4064 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4065 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4066 	.phylink_validate = mv88e6185_phylink_validate,
4067 };
4068 
4069 static const struct mv88e6xxx_ops mv88e6176_ops = {
4070 	/* MV88E6XXX_FAMILY_6352 */
4071 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4072 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4073 	.irl_init_all = mv88e6352_g2_irl_init_all,
4074 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4075 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4076 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4077 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4078 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4079 	.port_set_link = mv88e6xxx_port_set_link,
4080 	.port_sync_link = mv88e6xxx_port_sync_link,
4081 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4082 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4083 	.port_tag_remap = mv88e6095_port_tag_remap,
4084 	.port_set_policy = mv88e6352_port_set_policy,
4085 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4086 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4087 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4088 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4089 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4090 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4091 	.port_pause_limit = mv88e6097_port_pause_limit,
4092 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4093 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4094 	.port_get_cmode = mv88e6352_port_get_cmode,
4095 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4096 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4097 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4098 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4099 	.stats_get_strings = mv88e6095_stats_get_strings,
4100 	.stats_get_stats = mv88e6095_stats_get_stats,
4101 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4102 	.set_egress_port = mv88e6095_g1_set_egress_port,
4103 	.watchdog_ops = &mv88e6097_watchdog_ops,
4104 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4105 	.pot_clear = mv88e6xxx_g2_pot_clear,
4106 	.reset = mv88e6352_g1_reset,
4107 	.rmu_disable = mv88e6352_g1_rmu_disable,
4108 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4109 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4110 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4111 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4112 	.serdes_get_lane = mv88e6352_serdes_get_lane,
4113 	.serdes_pcs_get_state = mv88e6352_serdes_pcs_get_state,
4114 	.serdes_pcs_config = mv88e6352_serdes_pcs_config,
4115 	.serdes_pcs_an_restart = mv88e6352_serdes_pcs_an_restart,
4116 	.serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
4117 	.serdes_power = mv88e6352_serdes_power,
4118 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
4119 	.serdes_irq_enable = mv88e6352_serdes_irq_enable,
4120 	.serdes_irq_status = mv88e6352_serdes_irq_status,
4121 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
4122 	.serdes_get_regs = mv88e6352_serdes_get_regs,
4123 	.gpio_ops = &mv88e6352_gpio_ops,
4124 	.phylink_validate = mv88e6352_phylink_validate,
4125 };
4126 
4127 static const struct mv88e6xxx_ops mv88e6185_ops = {
4128 	/* MV88E6XXX_FAMILY_6185 */
4129 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4130 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4131 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4132 	.phy_read = mv88e6185_phy_ppu_read,
4133 	.phy_write = mv88e6185_phy_ppu_write,
4134 	.port_set_link = mv88e6xxx_port_set_link,
4135 	.port_sync_link = mv88e6185_port_sync_link,
4136 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4137 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
4138 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
4139 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
4140 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
4141 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
4142 	.port_set_pause = mv88e6185_port_set_pause,
4143 	.port_get_cmode = mv88e6185_port_get_cmode,
4144 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4145 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4146 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4147 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4148 	.stats_get_strings = mv88e6095_stats_get_strings,
4149 	.stats_get_stats = mv88e6095_stats_get_stats,
4150 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4151 	.set_egress_port = mv88e6095_g1_set_egress_port,
4152 	.watchdog_ops = &mv88e6097_watchdog_ops,
4153 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
4154 	.serdes_power = mv88e6185_serdes_power,
4155 	.serdes_get_lane = mv88e6185_serdes_get_lane,
4156 	.serdes_pcs_get_state = mv88e6185_serdes_pcs_get_state,
4157 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
4158 	.ppu_enable = mv88e6185_g1_ppu_enable,
4159 	.ppu_disable = mv88e6185_g1_ppu_disable,
4160 	.reset = mv88e6185_g1_reset,
4161 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4162 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4163 	.phylink_validate = mv88e6185_phylink_validate,
4164 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4165 };
4166 
4167 static const struct mv88e6xxx_ops mv88e6190_ops = {
4168 	/* MV88E6XXX_FAMILY_6390 */
4169 	.setup_errata = mv88e6390_setup_errata,
4170 	.irl_init_all = mv88e6390_g2_irl_init_all,
4171 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4172 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4173 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4174 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4175 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4176 	.port_set_link = mv88e6xxx_port_set_link,
4177 	.port_sync_link = mv88e6xxx_port_sync_link,
4178 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4179 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
4180 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4181 	.port_tag_remap = mv88e6390_port_tag_remap,
4182 	.port_set_policy = mv88e6352_port_set_policy,
4183 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4184 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4185 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4186 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4187 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4188 	.port_pause_limit = mv88e6390_port_pause_limit,
4189 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4190 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4191 	.port_get_cmode = mv88e6352_port_get_cmode,
4192 	.port_set_cmode = mv88e6390_port_set_cmode,
4193 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4194 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4195 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4196 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4197 	.stats_get_strings = mv88e6320_stats_get_strings,
4198 	.stats_get_stats = mv88e6390_stats_get_stats,
4199 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4200 	.set_egress_port = mv88e6390_g1_set_egress_port,
4201 	.watchdog_ops = &mv88e6390_watchdog_ops,
4202 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4203 	.pot_clear = mv88e6xxx_g2_pot_clear,
4204 	.reset = mv88e6352_g1_reset,
4205 	.rmu_disable = mv88e6390_g1_rmu_disable,
4206 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4207 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4208 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4209 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4210 	.serdes_power = mv88e6390_serdes_power,
4211 	.serdes_get_lane = mv88e6390_serdes_get_lane,
4212 	/* Check status register pause & lpa register */
4213 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
4214 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
4215 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
4216 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
4217 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4218 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
4219 	.serdes_irq_status = mv88e6390_serdes_irq_status,
4220 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4221 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4222 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4223 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4224 	.gpio_ops = &mv88e6352_gpio_ops,
4225 	.phylink_validate = mv88e6390_phylink_validate,
4226 };
4227 
4228 static const struct mv88e6xxx_ops mv88e6190x_ops = {
4229 	/* MV88E6XXX_FAMILY_6390 */
4230 	.setup_errata = mv88e6390_setup_errata,
4231 	.irl_init_all = mv88e6390_g2_irl_init_all,
4232 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4233 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4234 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4235 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4236 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4237 	.port_set_link = mv88e6xxx_port_set_link,
4238 	.port_sync_link = mv88e6xxx_port_sync_link,
4239 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4240 	.port_set_speed_duplex = mv88e6390x_port_set_speed_duplex,
4241 	.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
4242 	.port_tag_remap = mv88e6390_port_tag_remap,
4243 	.port_set_policy = mv88e6352_port_set_policy,
4244 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4245 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4246 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4247 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4248 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4249 	.port_pause_limit = mv88e6390_port_pause_limit,
4250 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4251 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4252 	.port_get_cmode = mv88e6352_port_get_cmode,
4253 	.port_set_cmode = mv88e6390x_port_set_cmode,
4254 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4255 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4256 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4257 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4258 	.stats_get_strings = mv88e6320_stats_get_strings,
4259 	.stats_get_stats = mv88e6390_stats_get_stats,
4260 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4261 	.set_egress_port = mv88e6390_g1_set_egress_port,
4262 	.watchdog_ops = &mv88e6390_watchdog_ops,
4263 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4264 	.pot_clear = mv88e6xxx_g2_pot_clear,
4265 	.reset = mv88e6352_g1_reset,
4266 	.rmu_disable = mv88e6390_g1_rmu_disable,
4267 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4268 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4269 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4270 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4271 	.serdes_power = mv88e6390_serdes_power,
4272 	.serdes_get_lane = mv88e6390x_serdes_get_lane,
4273 	/* Check status register pause & lpa register */
4274 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
4275 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
4276 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
4277 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
4278 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4279 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
4280 	.serdes_irq_status = mv88e6390_serdes_irq_status,
4281 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4282 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4283 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4284 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4285 	.gpio_ops = &mv88e6352_gpio_ops,
4286 	.phylink_validate = mv88e6390x_phylink_validate,
4287 };
4288 
4289 static const struct mv88e6xxx_ops mv88e6191_ops = {
4290 	/* MV88E6XXX_FAMILY_6390 */
4291 	.setup_errata = mv88e6390_setup_errata,
4292 	.irl_init_all = mv88e6390_g2_irl_init_all,
4293 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4294 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4295 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4296 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4297 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4298 	.port_set_link = mv88e6xxx_port_set_link,
4299 	.port_sync_link = mv88e6xxx_port_sync_link,
4300 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4301 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
4302 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4303 	.port_tag_remap = mv88e6390_port_tag_remap,
4304 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4305 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4306 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4307 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4308 	.port_pause_limit = mv88e6390_port_pause_limit,
4309 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4310 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4311 	.port_get_cmode = mv88e6352_port_get_cmode,
4312 	.port_set_cmode = mv88e6390_port_set_cmode,
4313 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4314 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4315 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4316 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4317 	.stats_get_strings = mv88e6320_stats_get_strings,
4318 	.stats_get_stats = mv88e6390_stats_get_stats,
4319 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4320 	.set_egress_port = mv88e6390_g1_set_egress_port,
4321 	.watchdog_ops = &mv88e6390_watchdog_ops,
4322 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4323 	.pot_clear = mv88e6xxx_g2_pot_clear,
4324 	.reset = mv88e6352_g1_reset,
4325 	.rmu_disable = mv88e6390_g1_rmu_disable,
4326 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4327 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4328 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4329 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4330 	.serdes_power = mv88e6390_serdes_power,
4331 	.serdes_get_lane = mv88e6390_serdes_get_lane,
4332 	/* Check status register pause & lpa register */
4333 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
4334 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
4335 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
4336 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
4337 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4338 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
4339 	.serdes_irq_status = mv88e6390_serdes_irq_status,
4340 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4341 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4342 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4343 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4344 	.avb_ops = &mv88e6390_avb_ops,
4345 	.ptp_ops = &mv88e6352_ptp_ops,
4346 	.phylink_validate = mv88e6390_phylink_validate,
4347 };
4348 
4349 static const struct mv88e6xxx_ops mv88e6240_ops = {
4350 	/* MV88E6XXX_FAMILY_6352 */
4351 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4352 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4353 	.irl_init_all = mv88e6352_g2_irl_init_all,
4354 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4355 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4356 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4357 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4358 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4359 	.port_set_link = mv88e6xxx_port_set_link,
4360 	.port_sync_link = mv88e6xxx_port_sync_link,
4361 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4362 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4363 	.port_tag_remap = mv88e6095_port_tag_remap,
4364 	.port_set_policy = mv88e6352_port_set_policy,
4365 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4366 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4367 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4368 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4369 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4370 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4371 	.port_pause_limit = mv88e6097_port_pause_limit,
4372 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4373 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4374 	.port_get_cmode = mv88e6352_port_get_cmode,
4375 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4376 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4377 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4378 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4379 	.stats_get_strings = mv88e6095_stats_get_strings,
4380 	.stats_get_stats = mv88e6095_stats_get_stats,
4381 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4382 	.set_egress_port = mv88e6095_g1_set_egress_port,
4383 	.watchdog_ops = &mv88e6097_watchdog_ops,
4384 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4385 	.pot_clear = mv88e6xxx_g2_pot_clear,
4386 	.reset = mv88e6352_g1_reset,
4387 	.rmu_disable = mv88e6352_g1_rmu_disable,
4388 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4389 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4390 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4391 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4392 	.serdes_get_lane = mv88e6352_serdes_get_lane,
4393 	.serdes_pcs_get_state = mv88e6352_serdes_pcs_get_state,
4394 	.serdes_pcs_config = mv88e6352_serdes_pcs_config,
4395 	.serdes_pcs_an_restart = mv88e6352_serdes_pcs_an_restart,
4396 	.serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
4397 	.serdes_power = mv88e6352_serdes_power,
4398 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
4399 	.serdes_irq_enable = mv88e6352_serdes_irq_enable,
4400 	.serdes_irq_status = mv88e6352_serdes_irq_status,
4401 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
4402 	.serdes_get_regs = mv88e6352_serdes_get_regs,
4403 	.gpio_ops = &mv88e6352_gpio_ops,
4404 	.avb_ops = &mv88e6352_avb_ops,
4405 	.ptp_ops = &mv88e6352_ptp_ops,
4406 	.phylink_validate = mv88e6352_phylink_validate,
4407 };
4408 
4409 static const struct mv88e6xxx_ops mv88e6250_ops = {
4410 	/* MV88E6XXX_FAMILY_6250 */
4411 	.ieee_pri_map = mv88e6250_g1_ieee_pri_map,
4412 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4413 	.irl_init_all = mv88e6352_g2_irl_init_all,
4414 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4415 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4416 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4417 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4418 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4419 	.port_set_link = mv88e6xxx_port_set_link,
4420 	.port_sync_link = mv88e6xxx_port_sync_link,
4421 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4422 	.port_set_speed_duplex = mv88e6250_port_set_speed_duplex,
4423 	.port_tag_remap = mv88e6095_port_tag_remap,
4424 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4425 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4426 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4427 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4428 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4429 	.port_pause_limit = mv88e6097_port_pause_limit,
4430 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4431 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4432 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4433 	.stats_get_sset_count = mv88e6250_stats_get_sset_count,
4434 	.stats_get_strings = mv88e6250_stats_get_strings,
4435 	.stats_get_stats = mv88e6250_stats_get_stats,
4436 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4437 	.set_egress_port = mv88e6095_g1_set_egress_port,
4438 	.watchdog_ops = &mv88e6250_watchdog_ops,
4439 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4440 	.pot_clear = mv88e6xxx_g2_pot_clear,
4441 	.reset = mv88e6250_g1_reset,
4442 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4443 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4444 	.avb_ops = &mv88e6352_avb_ops,
4445 	.ptp_ops = &mv88e6250_ptp_ops,
4446 	.phylink_validate = mv88e6065_phylink_validate,
4447 };
4448 
4449 static const struct mv88e6xxx_ops mv88e6290_ops = {
4450 	/* MV88E6XXX_FAMILY_6390 */
4451 	.setup_errata = mv88e6390_setup_errata,
4452 	.irl_init_all = mv88e6390_g2_irl_init_all,
4453 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4454 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4455 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4456 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4457 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4458 	.port_set_link = mv88e6xxx_port_set_link,
4459 	.port_sync_link = mv88e6xxx_port_sync_link,
4460 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4461 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
4462 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4463 	.port_tag_remap = mv88e6390_port_tag_remap,
4464 	.port_set_policy = mv88e6352_port_set_policy,
4465 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4466 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4467 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4468 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4469 	.port_pause_limit = mv88e6390_port_pause_limit,
4470 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4471 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4472 	.port_get_cmode = mv88e6352_port_get_cmode,
4473 	.port_set_cmode = mv88e6390_port_set_cmode,
4474 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4475 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4476 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4477 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4478 	.stats_get_strings = mv88e6320_stats_get_strings,
4479 	.stats_get_stats = mv88e6390_stats_get_stats,
4480 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4481 	.set_egress_port = mv88e6390_g1_set_egress_port,
4482 	.watchdog_ops = &mv88e6390_watchdog_ops,
4483 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4484 	.pot_clear = mv88e6xxx_g2_pot_clear,
4485 	.reset = mv88e6352_g1_reset,
4486 	.rmu_disable = mv88e6390_g1_rmu_disable,
4487 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4488 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4489 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4490 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4491 	.serdes_power = mv88e6390_serdes_power,
4492 	.serdes_get_lane = mv88e6390_serdes_get_lane,
4493 	/* Check status register pause & lpa register */
4494 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
4495 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
4496 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
4497 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
4498 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4499 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
4500 	.serdes_irq_status = mv88e6390_serdes_irq_status,
4501 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4502 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4503 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4504 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4505 	.gpio_ops = &mv88e6352_gpio_ops,
4506 	.avb_ops = &mv88e6390_avb_ops,
4507 	.ptp_ops = &mv88e6352_ptp_ops,
4508 	.phylink_validate = mv88e6390_phylink_validate,
4509 };
4510 
4511 static const struct mv88e6xxx_ops mv88e6320_ops = {
4512 	/* MV88E6XXX_FAMILY_6320 */
4513 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4514 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4515 	.irl_init_all = mv88e6352_g2_irl_init_all,
4516 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4517 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4518 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4519 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4520 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4521 	.port_set_link = mv88e6xxx_port_set_link,
4522 	.port_sync_link = mv88e6xxx_port_sync_link,
4523 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4524 	.port_tag_remap = mv88e6095_port_tag_remap,
4525 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4526 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4527 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4528 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4529 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4530 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4531 	.port_pause_limit = mv88e6097_port_pause_limit,
4532 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4533 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4534 	.port_get_cmode = mv88e6352_port_get_cmode,
4535 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4536 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4537 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4538 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4539 	.stats_get_strings = mv88e6320_stats_get_strings,
4540 	.stats_get_stats = mv88e6320_stats_get_stats,
4541 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4542 	.set_egress_port = mv88e6095_g1_set_egress_port,
4543 	.watchdog_ops = &mv88e6390_watchdog_ops,
4544 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4545 	.pot_clear = mv88e6xxx_g2_pot_clear,
4546 	.reset = mv88e6352_g1_reset,
4547 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4548 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4549 	.gpio_ops = &mv88e6352_gpio_ops,
4550 	.avb_ops = &mv88e6352_avb_ops,
4551 	.ptp_ops = &mv88e6352_ptp_ops,
4552 	.phylink_validate = mv88e6185_phylink_validate,
4553 };
4554 
4555 static const struct mv88e6xxx_ops mv88e6321_ops = {
4556 	/* MV88E6XXX_FAMILY_6320 */
4557 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4558 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4559 	.irl_init_all = mv88e6352_g2_irl_init_all,
4560 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4561 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4562 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4563 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4564 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4565 	.port_set_link = mv88e6xxx_port_set_link,
4566 	.port_sync_link = mv88e6xxx_port_sync_link,
4567 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4568 	.port_tag_remap = mv88e6095_port_tag_remap,
4569 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4570 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4571 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4572 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4573 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4574 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4575 	.port_pause_limit = mv88e6097_port_pause_limit,
4576 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4577 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4578 	.port_get_cmode = mv88e6352_port_get_cmode,
4579 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4580 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4581 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4582 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4583 	.stats_get_strings = mv88e6320_stats_get_strings,
4584 	.stats_get_stats = mv88e6320_stats_get_stats,
4585 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4586 	.set_egress_port = mv88e6095_g1_set_egress_port,
4587 	.watchdog_ops = &mv88e6390_watchdog_ops,
4588 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4589 	.reset = mv88e6352_g1_reset,
4590 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4591 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4592 	.gpio_ops = &mv88e6352_gpio_ops,
4593 	.avb_ops = &mv88e6352_avb_ops,
4594 	.ptp_ops = &mv88e6352_ptp_ops,
4595 	.phylink_validate = mv88e6185_phylink_validate,
4596 };
4597 
4598 static const struct mv88e6xxx_ops mv88e6341_ops = {
4599 	/* MV88E6XXX_FAMILY_6341 */
4600 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4601 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4602 	.irl_init_all = mv88e6352_g2_irl_init_all,
4603 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4604 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4605 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4606 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4607 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4608 	.port_set_link = mv88e6xxx_port_set_link,
4609 	.port_sync_link = mv88e6xxx_port_sync_link,
4610 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4611 	.port_set_speed_duplex = mv88e6341_port_set_speed_duplex,
4612 	.port_max_speed_mode = mv88e6341_port_max_speed_mode,
4613 	.port_tag_remap = mv88e6095_port_tag_remap,
4614 	.port_set_policy = mv88e6352_port_set_policy,
4615 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4616 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4617 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4618 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4619 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4620 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4621 	.port_pause_limit = mv88e6097_port_pause_limit,
4622 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4623 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4624 	.port_get_cmode = mv88e6352_port_get_cmode,
4625 	.port_set_cmode = mv88e6341_port_set_cmode,
4626 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4627 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4628 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4629 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4630 	.stats_get_strings = mv88e6320_stats_get_strings,
4631 	.stats_get_stats = mv88e6390_stats_get_stats,
4632 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4633 	.set_egress_port = mv88e6390_g1_set_egress_port,
4634 	.watchdog_ops = &mv88e6390_watchdog_ops,
4635 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
4636 	.pot_clear = mv88e6xxx_g2_pot_clear,
4637 	.reset = mv88e6352_g1_reset,
4638 	.rmu_disable = mv88e6390_g1_rmu_disable,
4639 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4640 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4641 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4642 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4643 	.serdes_power = mv88e6390_serdes_power,
4644 	.serdes_get_lane = mv88e6341_serdes_get_lane,
4645 	/* Check status register pause & lpa register */
4646 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
4647 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
4648 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
4649 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
4650 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4651 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
4652 	.serdes_irq_status = mv88e6390_serdes_irq_status,
4653 	.gpio_ops = &mv88e6352_gpio_ops,
4654 	.avb_ops = &mv88e6390_avb_ops,
4655 	.ptp_ops = &mv88e6352_ptp_ops,
4656 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
4657 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4658 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4659 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4660 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4661 	.phylink_validate = mv88e6341_phylink_validate,
4662 };
4663 
4664 static const struct mv88e6xxx_ops mv88e6350_ops = {
4665 	/* MV88E6XXX_FAMILY_6351 */
4666 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4667 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4668 	.irl_init_all = mv88e6352_g2_irl_init_all,
4669 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4670 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4671 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4672 	.port_set_link = mv88e6xxx_port_set_link,
4673 	.port_sync_link = mv88e6xxx_port_sync_link,
4674 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4675 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4676 	.port_tag_remap = mv88e6095_port_tag_remap,
4677 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4678 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4679 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4680 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4681 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4682 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4683 	.port_pause_limit = mv88e6097_port_pause_limit,
4684 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4685 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4686 	.port_get_cmode = mv88e6352_port_get_cmode,
4687 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4688 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4689 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4690 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4691 	.stats_get_strings = mv88e6095_stats_get_strings,
4692 	.stats_get_stats = mv88e6095_stats_get_stats,
4693 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4694 	.set_egress_port = mv88e6095_g1_set_egress_port,
4695 	.watchdog_ops = &mv88e6097_watchdog_ops,
4696 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4697 	.pot_clear = mv88e6xxx_g2_pot_clear,
4698 	.reset = mv88e6352_g1_reset,
4699 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4700 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4701 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4702 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4703 	.phylink_validate = mv88e6185_phylink_validate,
4704 };
4705 
4706 static const struct mv88e6xxx_ops mv88e6351_ops = {
4707 	/* MV88E6XXX_FAMILY_6351 */
4708 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4709 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4710 	.irl_init_all = mv88e6352_g2_irl_init_all,
4711 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4712 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4713 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4714 	.port_set_link = mv88e6xxx_port_set_link,
4715 	.port_sync_link = mv88e6xxx_port_sync_link,
4716 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4717 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4718 	.port_tag_remap = mv88e6095_port_tag_remap,
4719 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4720 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4721 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4722 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4723 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4724 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4725 	.port_pause_limit = mv88e6097_port_pause_limit,
4726 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4727 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4728 	.port_get_cmode = mv88e6352_port_get_cmode,
4729 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4730 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4731 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4732 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4733 	.stats_get_strings = mv88e6095_stats_get_strings,
4734 	.stats_get_stats = mv88e6095_stats_get_stats,
4735 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4736 	.set_egress_port = mv88e6095_g1_set_egress_port,
4737 	.watchdog_ops = &mv88e6097_watchdog_ops,
4738 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4739 	.pot_clear = mv88e6xxx_g2_pot_clear,
4740 	.reset = mv88e6352_g1_reset,
4741 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4742 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4743 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4744 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4745 	.avb_ops = &mv88e6352_avb_ops,
4746 	.ptp_ops = &mv88e6352_ptp_ops,
4747 	.phylink_validate = mv88e6185_phylink_validate,
4748 };
4749 
4750 static const struct mv88e6xxx_ops mv88e6352_ops = {
4751 	/* MV88E6XXX_FAMILY_6352 */
4752 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4753 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4754 	.irl_init_all = mv88e6352_g2_irl_init_all,
4755 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4756 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4757 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4758 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4759 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4760 	.port_set_link = mv88e6xxx_port_set_link,
4761 	.port_sync_link = mv88e6xxx_port_sync_link,
4762 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4763 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4764 	.port_tag_remap = mv88e6095_port_tag_remap,
4765 	.port_set_policy = mv88e6352_port_set_policy,
4766 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4767 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4768 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4769 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4770 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4771 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4772 	.port_pause_limit = mv88e6097_port_pause_limit,
4773 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4774 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4775 	.port_get_cmode = mv88e6352_port_get_cmode,
4776 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4777 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4778 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4779 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4780 	.stats_get_strings = mv88e6095_stats_get_strings,
4781 	.stats_get_stats = mv88e6095_stats_get_stats,
4782 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4783 	.set_egress_port = mv88e6095_g1_set_egress_port,
4784 	.watchdog_ops = &mv88e6097_watchdog_ops,
4785 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4786 	.pot_clear = mv88e6xxx_g2_pot_clear,
4787 	.reset = mv88e6352_g1_reset,
4788 	.rmu_disable = mv88e6352_g1_rmu_disable,
4789 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4790 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4791 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4792 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4793 	.serdes_get_lane = mv88e6352_serdes_get_lane,
4794 	.serdes_pcs_get_state = mv88e6352_serdes_pcs_get_state,
4795 	.serdes_pcs_config = mv88e6352_serdes_pcs_config,
4796 	.serdes_pcs_an_restart = mv88e6352_serdes_pcs_an_restart,
4797 	.serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
4798 	.serdes_power = mv88e6352_serdes_power,
4799 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
4800 	.serdes_irq_enable = mv88e6352_serdes_irq_enable,
4801 	.serdes_irq_status = mv88e6352_serdes_irq_status,
4802 	.gpio_ops = &mv88e6352_gpio_ops,
4803 	.avb_ops = &mv88e6352_avb_ops,
4804 	.ptp_ops = &mv88e6352_ptp_ops,
4805 	.serdes_get_sset_count = mv88e6352_serdes_get_sset_count,
4806 	.serdes_get_strings = mv88e6352_serdes_get_strings,
4807 	.serdes_get_stats = mv88e6352_serdes_get_stats,
4808 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
4809 	.serdes_get_regs = mv88e6352_serdes_get_regs,
4810 	.phylink_validate = mv88e6352_phylink_validate,
4811 };
4812 
4813 static const struct mv88e6xxx_ops mv88e6390_ops = {
4814 	/* MV88E6XXX_FAMILY_6390 */
4815 	.setup_errata = mv88e6390_setup_errata,
4816 	.irl_init_all = mv88e6390_g2_irl_init_all,
4817 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4818 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4819 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4820 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4821 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4822 	.port_set_link = mv88e6xxx_port_set_link,
4823 	.port_sync_link = mv88e6xxx_port_sync_link,
4824 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4825 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
4826 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4827 	.port_tag_remap = mv88e6390_port_tag_remap,
4828 	.port_set_policy = mv88e6352_port_set_policy,
4829 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4830 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4831 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4832 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4833 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4834 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4835 	.port_pause_limit = mv88e6390_port_pause_limit,
4836 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4837 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4838 	.port_get_cmode = mv88e6352_port_get_cmode,
4839 	.port_set_cmode = mv88e6390_port_set_cmode,
4840 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4841 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4842 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4843 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4844 	.stats_get_strings = mv88e6320_stats_get_strings,
4845 	.stats_get_stats = mv88e6390_stats_get_stats,
4846 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4847 	.set_egress_port = mv88e6390_g1_set_egress_port,
4848 	.watchdog_ops = &mv88e6390_watchdog_ops,
4849 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4850 	.pot_clear = mv88e6xxx_g2_pot_clear,
4851 	.reset = mv88e6352_g1_reset,
4852 	.rmu_disable = mv88e6390_g1_rmu_disable,
4853 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4854 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4855 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4856 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4857 	.serdes_power = mv88e6390_serdes_power,
4858 	.serdes_get_lane = mv88e6390_serdes_get_lane,
4859 	/* Check status register pause & lpa register */
4860 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
4861 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
4862 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
4863 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
4864 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4865 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
4866 	.serdes_irq_status = mv88e6390_serdes_irq_status,
4867 	.gpio_ops = &mv88e6352_gpio_ops,
4868 	.avb_ops = &mv88e6390_avb_ops,
4869 	.ptp_ops = &mv88e6352_ptp_ops,
4870 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
4871 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4872 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4873 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4874 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4875 	.phylink_validate = mv88e6390_phylink_validate,
4876 };
4877 
4878 static const struct mv88e6xxx_ops mv88e6390x_ops = {
4879 	/* MV88E6XXX_FAMILY_6390 */
4880 	.setup_errata = mv88e6390_setup_errata,
4881 	.irl_init_all = mv88e6390_g2_irl_init_all,
4882 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4883 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4884 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4885 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4886 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4887 	.port_set_link = mv88e6xxx_port_set_link,
4888 	.port_sync_link = mv88e6xxx_port_sync_link,
4889 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4890 	.port_set_speed_duplex = mv88e6390x_port_set_speed_duplex,
4891 	.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
4892 	.port_tag_remap = mv88e6390_port_tag_remap,
4893 	.port_set_policy = mv88e6352_port_set_policy,
4894 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4895 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4896 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4897 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4898 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4899 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4900 	.port_pause_limit = mv88e6390_port_pause_limit,
4901 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4902 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4903 	.port_get_cmode = mv88e6352_port_get_cmode,
4904 	.port_set_cmode = mv88e6390x_port_set_cmode,
4905 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4906 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4907 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4908 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4909 	.stats_get_strings = mv88e6320_stats_get_strings,
4910 	.stats_get_stats = mv88e6390_stats_get_stats,
4911 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4912 	.set_egress_port = mv88e6390_g1_set_egress_port,
4913 	.watchdog_ops = &mv88e6390_watchdog_ops,
4914 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4915 	.pot_clear = mv88e6xxx_g2_pot_clear,
4916 	.reset = mv88e6352_g1_reset,
4917 	.rmu_disable = mv88e6390_g1_rmu_disable,
4918 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4919 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4920 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4921 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4922 	.serdes_power = mv88e6390_serdes_power,
4923 	.serdes_get_lane = mv88e6390x_serdes_get_lane,
4924 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
4925 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
4926 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
4927 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
4928 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4929 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
4930 	.serdes_irq_status = mv88e6390_serdes_irq_status,
4931 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
4932 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4933 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4934 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4935 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4936 	.gpio_ops = &mv88e6352_gpio_ops,
4937 	.avb_ops = &mv88e6390_avb_ops,
4938 	.ptp_ops = &mv88e6352_ptp_ops,
4939 	.phylink_validate = mv88e6390x_phylink_validate,
4940 };
4941 
4942 static const struct mv88e6xxx_ops mv88e6393x_ops = {
4943 	/* MV88E6XXX_FAMILY_6393 */
4944 	.setup_errata = mv88e6393x_serdes_setup_errata,
4945 	.irl_init_all = mv88e6390_g2_irl_init_all,
4946 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4947 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4948 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4949 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4950 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4951 	.port_set_link = mv88e6xxx_port_set_link,
4952 	.port_sync_link = mv88e6xxx_port_sync_link,
4953 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4954 	.port_set_speed_duplex = mv88e6393x_port_set_speed_duplex,
4955 	.port_max_speed_mode = mv88e6393x_port_max_speed_mode,
4956 	.port_tag_remap = mv88e6390_port_tag_remap,
4957 	.port_set_policy = mv88e6393x_port_set_policy,
4958 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4959 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4960 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4961 	.port_set_ether_type = mv88e6393x_port_set_ether_type,
4962 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4963 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4964 	.port_pause_limit = mv88e6390_port_pause_limit,
4965 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4966 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4967 	.port_get_cmode = mv88e6352_port_get_cmode,
4968 	.port_set_cmode = mv88e6393x_port_set_cmode,
4969 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4970 	.port_set_upstream_port = mv88e6393x_port_set_upstream_port,
4971 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4972 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4973 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4974 	.stats_get_strings = mv88e6320_stats_get_strings,
4975 	.stats_get_stats = mv88e6390_stats_get_stats,
4976 	/* .set_cpu_port is missing because this family does not support a global
4977 	 * CPU port, only per port CPU port which is set via
4978 	 * .port_set_upstream_port method.
4979 	 */
4980 	.set_egress_port = mv88e6393x_set_egress_port,
4981 	.watchdog_ops = &mv88e6393x_watchdog_ops,
4982 	.mgmt_rsvd2cpu = mv88e6393x_port_mgmt_rsvd2cpu,
4983 	.pot_clear = mv88e6xxx_g2_pot_clear,
4984 	.reset = mv88e6352_g1_reset,
4985 	.rmu_disable = mv88e6390_g1_rmu_disable,
4986 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4987 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4988 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4989 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4990 	.serdes_power = mv88e6393x_serdes_power,
4991 	.serdes_get_lane = mv88e6393x_serdes_get_lane,
4992 	.serdes_pcs_get_state = mv88e6393x_serdes_pcs_get_state,
4993 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
4994 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
4995 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
4996 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4997 	.serdes_irq_enable = mv88e6393x_serdes_irq_enable,
4998 	.serdes_irq_status = mv88e6393x_serdes_irq_status,
4999 	/* TODO: serdes stats */
5000 	.gpio_ops = &mv88e6352_gpio_ops,
5001 	.avb_ops = &mv88e6390_avb_ops,
5002 	.ptp_ops = &mv88e6352_ptp_ops,
5003 	.phylink_validate = mv88e6393x_phylink_validate,
5004 };
5005 
5006 static const struct mv88e6xxx_info mv88e6xxx_table[] = {
5007 	[MV88E6085] = {
5008 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6085,
5009 		.family = MV88E6XXX_FAMILY_6097,
5010 		.name = "Marvell 88E6085",
5011 		.num_databases = 4096,
5012 		.num_macs = 8192,
5013 		.num_ports = 10,
5014 		.num_internal_phys = 5,
5015 		.max_vid = 4095,
5016 		.port_base_addr = 0x10,
5017 		.phy_base_addr = 0x0,
5018 		.global1_addr = 0x1b,
5019 		.global2_addr = 0x1c,
5020 		.age_time_coeff = 15000,
5021 		.g1_irqs = 8,
5022 		.g2_irqs = 10,
5023 		.atu_move_port_mask = 0xf,
5024 		.pvt = true,
5025 		.multi_chip = true,
5026 		.ops = &mv88e6085_ops,
5027 	},
5028 
5029 	[MV88E6095] = {
5030 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6095,
5031 		.family = MV88E6XXX_FAMILY_6095,
5032 		.name = "Marvell 88E6095/88E6095F",
5033 		.num_databases = 256,
5034 		.num_macs = 8192,
5035 		.num_ports = 11,
5036 		.num_internal_phys = 0,
5037 		.max_vid = 4095,
5038 		.port_base_addr = 0x10,
5039 		.phy_base_addr = 0x0,
5040 		.global1_addr = 0x1b,
5041 		.global2_addr = 0x1c,
5042 		.age_time_coeff = 15000,
5043 		.g1_irqs = 8,
5044 		.atu_move_port_mask = 0xf,
5045 		.multi_chip = true,
5046 		.ops = &mv88e6095_ops,
5047 	},
5048 
5049 	[MV88E6097] = {
5050 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6097,
5051 		.family = MV88E6XXX_FAMILY_6097,
5052 		.name = "Marvell 88E6097/88E6097F",
5053 		.num_databases = 4096,
5054 		.num_macs = 8192,
5055 		.num_ports = 11,
5056 		.num_internal_phys = 8,
5057 		.max_vid = 4095,
5058 		.port_base_addr = 0x10,
5059 		.phy_base_addr = 0x0,
5060 		.global1_addr = 0x1b,
5061 		.global2_addr = 0x1c,
5062 		.age_time_coeff = 15000,
5063 		.g1_irqs = 8,
5064 		.g2_irqs = 10,
5065 		.atu_move_port_mask = 0xf,
5066 		.pvt = true,
5067 		.multi_chip = true,
5068 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5069 		.ops = &mv88e6097_ops,
5070 	},
5071 
5072 	[MV88E6123] = {
5073 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6123,
5074 		.family = MV88E6XXX_FAMILY_6165,
5075 		.name = "Marvell 88E6123",
5076 		.num_databases = 4096,
5077 		.num_macs = 1024,
5078 		.num_ports = 3,
5079 		.num_internal_phys = 5,
5080 		.max_vid = 4095,
5081 		.port_base_addr = 0x10,
5082 		.phy_base_addr = 0x0,
5083 		.global1_addr = 0x1b,
5084 		.global2_addr = 0x1c,
5085 		.age_time_coeff = 15000,
5086 		.g1_irqs = 9,
5087 		.g2_irqs = 10,
5088 		.atu_move_port_mask = 0xf,
5089 		.pvt = true,
5090 		.multi_chip = true,
5091 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5092 		.ops = &mv88e6123_ops,
5093 	},
5094 
5095 	[MV88E6131] = {
5096 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6131,
5097 		.family = MV88E6XXX_FAMILY_6185,
5098 		.name = "Marvell 88E6131",
5099 		.num_databases = 256,
5100 		.num_macs = 8192,
5101 		.num_ports = 8,
5102 		.num_internal_phys = 0,
5103 		.max_vid = 4095,
5104 		.port_base_addr = 0x10,
5105 		.phy_base_addr = 0x0,
5106 		.global1_addr = 0x1b,
5107 		.global2_addr = 0x1c,
5108 		.age_time_coeff = 15000,
5109 		.g1_irqs = 9,
5110 		.atu_move_port_mask = 0xf,
5111 		.multi_chip = true,
5112 		.ops = &mv88e6131_ops,
5113 	},
5114 
5115 	[MV88E6141] = {
5116 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6141,
5117 		.family = MV88E6XXX_FAMILY_6341,
5118 		.name = "Marvell 88E6141",
5119 		.num_databases = 4096,
5120 		.num_macs = 2048,
5121 		.num_ports = 6,
5122 		.num_internal_phys = 5,
5123 		.num_gpio = 11,
5124 		.max_vid = 4095,
5125 		.port_base_addr = 0x10,
5126 		.phy_base_addr = 0x10,
5127 		.global1_addr = 0x1b,
5128 		.global2_addr = 0x1c,
5129 		.age_time_coeff = 3750,
5130 		.atu_move_port_mask = 0x1f,
5131 		.g1_irqs = 9,
5132 		.g2_irqs = 10,
5133 		.pvt = true,
5134 		.multi_chip = true,
5135 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5136 		.ops = &mv88e6141_ops,
5137 	},
5138 
5139 	[MV88E6161] = {
5140 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6161,
5141 		.family = MV88E6XXX_FAMILY_6165,
5142 		.name = "Marvell 88E6161",
5143 		.num_databases = 4096,
5144 		.num_macs = 1024,
5145 		.num_ports = 6,
5146 		.num_internal_phys = 5,
5147 		.max_vid = 4095,
5148 		.port_base_addr = 0x10,
5149 		.phy_base_addr = 0x0,
5150 		.global1_addr = 0x1b,
5151 		.global2_addr = 0x1c,
5152 		.age_time_coeff = 15000,
5153 		.g1_irqs = 9,
5154 		.g2_irqs = 10,
5155 		.atu_move_port_mask = 0xf,
5156 		.pvt = true,
5157 		.multi_chip = true,
5158 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5159 		.ptp_support = true,
5160 		.ops = &mv88e6161_ops,
5161 	},
5162 
5163 	[MV88E6165] = {
5164 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6165,
5165 		.family = MV88E6XXX_FAMILY_6165,
5166 		.name = "Marvell 88E6165",
5167 		.num_databases = 4096,
5168 		.num_macs = 8192,
5169 		.num_ports = 6,
5170 		.num_internal_phys = 0,
5171 		.max_vid = 4095,
5172 		.port_base_addr = 0x10,
5173 		.phy_base_addr = 0x0,
5174 		.global1_addr = 0x1b,
5175 		.global2_addr = 0x1c,
5176 		.age_time_coeff = 15000,
5177 		.g1_irqs = 9,
5178 		.g2_irqs = 10,
5179 		.atu_move_port_mask = 0xf,
5180 		.pvt = true,
5181 		.multi_chip = true,
5182 		.ptp_support = true,
5183 		.ops = &mv88e6165_ops,
5184 	},
5185 
5186 	[MV88E6171] = {
5187 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6171,
5188 		.family = MV88E6XXX_FAMILY_6351,
5189 		.name = "Marvell 88E6171",
5190 		.num_databases = 4096,
5191 		.num_macs = 8192,
5192 		.num_ports = 7,
5193 		.num_internal_phys = 5,
5194 		.max_vid = 4095,
5195 		.port_base_addr = 0x10,
5196 		.phy_base_addr = 0x0,
5197 		.global1_addr = 0x1b,
5198 		.global2_addr = 0x1c,
5199 		.age_time_coeff = 15000,
5200 		.g1_irqs = 9,
5201 		.g2_irqs = 10,
5202 		.atu_move_port_mask = 0xf,
5203 		.pvt = true,
5204 		.multi_chip = true,
5205 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5206 		.ops = &mv88e6171_ops,
5207 	},
5208 
5209 	[MV88E6172] = {
5210 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6172,
5211 		.family = MV88E6XXX_FAMILY_6352,
5212 		.name = "Marvell 88E6172",
5213 		.num_databases = 4096,
5214 		.num_macs = 8192,
5215 		.num_ports = 7,
5216 		.num_internal_phys = 5,
5217 		.num_gpio = 15,
5218 		.max_vid = 4095,
5219 		.port_base_addr = 0x10,
5220 		.phy_base_addr = 0x0,
5221 		.global1_addr = 0x1b,
5222 		.global2_addr = 0x1c,
5223 		.age_time_coeff = 15000,
5224 		.g1_irqs = 9,
5225 		.g2_irqs = 10,
5226 		.atu_move_port_mask = 0xf,
5227 		.pvt = true,
5228 		.multi_chip = true,
5229 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5230 		.ops = &mv88e6172_ops,
5231 	},
5232 
5233 	[MV88E6175] = {
5234 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6175,
5235 		.family = MV88E6XXX_FAMILY_6351,
5236 		.name = "Marvell 88E6175",
5237 		.num_databases = 4096,
5238 		.num_macs = 8192,
5239 		.num_ports = 7,
5240 		.num_internal_phys = 5,
5241 		.max_vid = 4095,
5242 		.port_base_addr = 0x10,
5243 		.phy_base_addr = 0x0,
5244 		.global1_addr = 0x1b,
5245 		.global2_addr = 0x1c,
5246 		.age_time_coeff = 15000,
5247 		.g1_irqs = 9,
5248 		.g2_irqs = 10,
5249 		.atu_move_port_mask = 0xf,
5250 		.pvt = true,
5251 		.multi_chip = true,
5252 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5253 		.ops = &mv88e6175_ops,
5254 	},
5255 
5256 	[MV88E6176] = {
5257 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6176,
5258 		.family = MV88E6XXX_FAMILY_6352,
5259 		.name = "Marvell 88E6176",
5260 		.num_databases = 4096,
5261 		.num_macs = 8192,
5262 		.num_ports = 7,
5263 		.num_internal_phys = 5,
5264 		.num_gpio = 15,
5265 		.max_vid = 4095,
5266 		.port_base_addr = 0x10,
5267 		.phy_base_addr = 0x0,
5268 		.global1_addr = 0x1b,
5269 		.global2_addr = 0x1c,
5270 		.age_time_coeff = 15000,
5271 		.g1_irqs = 9,
5272 		.g2_irqs = 10,
5273 		.atu_move_port_mask = 0xf,
5274 		.pvt = true,
5275 		.multi_chip = true,
5276 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5277 		.ops = &mv88e6176_ops,
5278 	},
5279 
5280 	[MV88E6185] = {
5281 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6185,
5282 		.family = MV88E6XXX_FAMILY_6185,
5283 		.name = "Marvell 88E6185",
5284 		.num_databases = 256,
5285 		.num_macs = 8192,
5286 		.num_ports = 10,
5287 		.num_internal_phys = 0,
5288 		.max_vid = 4095,
5289 		.port_base_addr = 0x10,
5290 		.phy_base_addr = 0x0,
5291 		.global1_addr = 0x1b,
5292 		.global2_addr = 0x1c,
5293 		.age_time_coeff = 15000,
5294 		.g1_irqs = 8,
5295 		.atu_move_port_mask = 0xf,
5296 		.multi_chip = true,
5297 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5298 		.ops = &mv88e6185_ops,
5299 	},
5300 
5301 	[MV88E6190] = {
5302 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190,
5303 		.family = MV88E6XXX_FAMILY_6390,
5304 		.name = "Marvell 88E6190",
5305 		.num_databases = 4096,
5306 		.num_macs = 16384,
5307 		.num_ports = 11,	/* 10 + Z80 */
5308 		.num_internal_phys = 9,
5309 		.num_gpio = 16,
5310 		.max_vid = 8191,
5311 		.port_base_addr = 0x0,
5312 		.phy_base_addr = 0x0,
5313 		.global1_addr = 0x1b,
5314 		.global2_addr = 0x1c,
5315 		.age_time_coeff = 3750,
5316 		.g1_irqs = 9,
5317 		.g2_irqs = 14,
5318 		.pvt = true,
5319 		.multi_chip = true,
5320 		.atu_move_port_mask = 0x1f,
5321 		.ops = &mv88e6190_ops,
5322 	},
5323 
5324 	[MV88E6190X] = {
5325 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190X,
5326 		.family = MV88E6XXX_FAMILY_6390,
5327 		.name = "Marvell 88E6190X",
5328 		.num_databases = 4096,
5329 		.num_macs = 16384,
5330 		.num_ports = 11,	/* 10 + Z80 */
5331 		.num_internal_phys = 9,
5332 		.num_gpio = 16,
5333 		.max_vid = 8191,
5334 		.port_base_addr = 0x0,
5335 		.phy_base_addr = 0x0,
5336 		.global1_addr = 0x1b,
5337 		.global2_addr = 0x1c,
5338 		.age_time_coeff = 3750,
5339 		.g1_irqs = 9,
5340 		.g2_irqs = 14,
5341 		.atu_move_port_mask = 0x1f,
5342 		.pvt = true,
5343 		.multi_chip = true,
5344 		.ops = &mv88e6190x_ops,
5345 	},
5346 
5347 	[MV88E6191] = {
5348 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6191,
5349 		.family = MV88E6XXX_FAMILY_6390,
5350 		.name = "Marvell 88E6191",
5351 		.num_databases = 4096,
5352 		.num_macs = 16384,
5353 		.num_ports = 11,	/* 10 + Z80 */
5354 		.num_internal_phys = 9,
5355 		.max_vid = 8191,
5356 		.port_base_addr = 0x0,
5357 		.phy_base_addr = 0x0,
5358 		.global1_addr = 0x1b,
5359 		.global2_addr = 0x1c,
5360 		.age_time_coeff = 3750,
5361 		.g1_irqs = 9,
5362 		.g2_irqs = 14,
5363 		.atu_move_port_mask = 0x1f,
5364 		.pvt = true,
5365 		.multi_chip = true,
5366 		.ptp_support = true,
5367 		.ops = &mv88e6191_ops,
5368 	},
5369 
5370 	[MV88E6191X] = {
5371 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6191X,
5372 		.family = MV88E6XXX_FAMILY_6393,
5373 		.name = "Marvell 88E6191X",
5374 		.num_databases = 4096,
5375 		.num_ports = 11,	/* 10 + Z80 */
5376 		.num_internal_phys = 9,
5377 		.max_vid = 8191,
5378 		.port_base_addr = 0x0,
5379 		.phy_base_addr = 0x0,
5380 		.global1_addr = 0x1b,
5381 		.global2_addr = 0x1c,
5382 		.age_time_coeff = 3750,
5383 		.g1_irqs = 10,
5384 		.g2_irqs = 14,
5385 		.atu_move_port_mask = 0x1f,
5386 		.pvt = true,
5387 		.multi_chip = true,
5388 		.ptp_support = true,
5389 		.ops = &mv88e6393x_ops,
5390 	},
5391 
5392 	[MV88E6193X] = {
5393 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6193X,
5394 		.family = MV88E6XXX_FAMILY_6393,
5395 		.name = "Marvell 88E6193X",
5396 		.num_databases = 4096,
5397 		.num_ports = 11,	/* 10 + Z80 */
5398 		.num_internal_phys = 9,
5399 		.max_vid = 8191,
5400 		.port_base_addr = 0x0,
5401 		.phy_base_addr = 0x0,
5402 		.global1_addr = 0x1b,
5403 		.global2_addr = 0x1c,
5404 		.age_time_coeff = 3750,
5405 		.g1_irqs = 10,
5406 		.g2_irqs = 14,
5407 		.atu_move_port_mask = 0x1f,
5408 		.pvt = true,
5409 		.multi_chip = true,
5410 		.ptp_support = true,
5411 		.ops = &mv88e6393x_ops,
5412 	},
5413 
5414 	[MV88E6220] = {
5415 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6220,
5416 		.family = MV88E6XXX_FAMILY_6250,
5417 		.name = "Marvell 88E6220",
5418 		.num_databases = 64,
5419 
5420 		/* Ports 2-4 are not routed to pins
5421 		 * => usable ports 0, 1, 5, 6
5422 		 */
5423 		.num_ports = 7,
5424 		.num_internal_phys = 2,
5425 		.invalid_port_mask = BIT(2) | BIT(3) | BIT(4),
5426 		.max_vid = 4095,
5427 		.port_base_addr = 0x08,
5428 		.phy_base_addr = 0x00,
5429 		.global1_addr = 0x0f,
5430 		.global2_addr = 0x07,
5431 		.age_time_coeff = 15000,
5432 		.g1_irqs = 9,
5433 		.g2_irqs = 10,
5434 		.atu_move_port_mask = 0xf,
5435 		.dual_chip = true,
5436 		.ptp_support = true,
5437 		.ops = &mv88e6250_ops,
5438 	},
5439 
5440 	[MV88E6240] = {
5441 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6240,
5442 		.family = MV88E6XXX_FAMILY_6352,
5443 		.name = "Marvell 88E6240",
5444 		.num_databases = 4096,
5445 		.num_macs = 8192,
5446 		.num_ports = 7,
5447 		.num_internal_phys = 5,
5448 		.num_gpio = 15,
5449 		.max_vid = 4095,
5450 		.port_base_addr = 0x10,
5451 		.phy_base_addr = 0x0,
5452 		.global1_addr = 0x1b,
5453 		.global2_addr = 0x1c,
5454 		.age_time_coeff = 15000,
5455 		.g1_irqs = 9,
5456 		.g2_irqs = 10,
5457 		.atu_move_port_mask = 0xf,
5458 		.pvt = true,
5459 		.multi_chip = true,
5460 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5461 		.ptp_support = true,
5462 		.ops = &mv88e6240_ops,
5463 	},
5464 
5465 	[MV88E6250] = {
5466 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6250,
5467 		.family = MV88E6XXX_FAMILY_6250,
5468 		.name = "Marvell 88E6250",
5469 		.num_databases = 64,
5470 		.num_ports = 7,
5471 		.num_internal_phys = 5,
5472 		.max_vid = 4095,
5473 		.port_base_addr = 0x08,
5474 		.phy_base_addr = 0x00,
5475 		.global1_addr = 0x0f,
5476 		.global2_addr = 0x07,
5477 		.age_time_coeff = 15000,
5478 		.g1_irqs = 9,
5479 		.g2_irqs = 10,
5480 		.atu_move_port_mask = 0xf,
5481 		.dual_chip = true,
5482 		.ptp_support = true,
5483 		.ops = &mv88e6250_ops,
5484 	},
5485 
5486 	[MV88E6290] = {
5487 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6290,
5488 		.family = MV88E6XXX_FAMILY_6390,
5489 		.name = "Marvell 88E6290",
5490 		.num_databases = 4096,
5491 		.num_ports = 11,	/* 10 + Z80 */
5492 		.num_internal_phys = 9,
5493 		.num_gpio = 16,
5494 		.max_vid = 8191,
5495 		.port_base_addr = 0x0,
5496 		.phy_base_addr = 0x0,
5497 		.global1_addr = 0x1b,
5498 		.global2_addr = 0x1c,
5499 		.age_time_coeff = 3750,
5500 		.g1_irqs = 9,
5501 		.g2_irqs = 14,
5502 		.atu_move_port_mask = 0x1f,
5503 		.pvt = true,
5504 		.multi_chip = true,
5505 		.ptp_support = true,
5506 		.ops = &mv88e6290_ops,
5507 	},
5508 
5509 	[MV88E6320] = {
5510 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6320,
5511 		.family = MV88E6XXX_FAMILY_6320,
5512 		.name = "Marvell 88E6320",
5513 		.num_databases = 4096,
5514 		.num_macs = 8192,
5515 		.num_ports = 7,
5516 		.num_internal_phys = 5,
5517 		.num_gpio = 15,
5518 		.max_vid = 4095,
5519 		.port_base_addr = 0x10,
5520 		.phy_base_addr = 0x0,
5521 		.global1_addr = 0x1b,
5522 		.global2_addr = 0x1c,
5523 		.age_time_coeff = 15000,
5524 		.g1_irqs = 8,
5525 		.g2_irqs = 10,
5526 		.atu_move_port_mask = 0xf,
5527 		.pvt = true,
5528 		.multi_chip = true,
5529 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5530 		.ptp_support = true,
5531 		.ops = &mv88e6320_ops,
5532 	},
5533 
5534 	[MV88E6321] = {
5535 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6321,
5536 		.family = MV88E6XXX_FAMILY_6320,
5537 		.name = "Marvell 88E6321",
5538 		.num_databases = 4096,
5539 		.num_macs = 8192,
5540 		.num_ports = 7,
5541 		.num_internal_phys = 5,
5542 		.num_gpio = 15,
5543 		.max_vid = 4095,
5544 		.port_base_addr = 0x10,
5545 		.phy_base_addr = 0x0,
5546 		.global1_addr = 0x1b,
5547 		.global2_addr = 0x1c,
5548 		.age_time_coeff = 15000,
5549 		.g1_irqs = 8,
5550 		.g2_irqs = 10,
5551 		.atu_move_port_mask = 0xf,
5552 		.multi_chip = true,
5553 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5554 		.ptp_support = true,
5555 		.ops = &mv88e6321_ops,
5556 	},
5557 
5558 	[MV88E6341] = {
5559 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6341,
5560 		.family = MV88E6XXX_FAMILY_6341,
5561 		.name = "Marvell 88E6341",
5562 		.num_databases = 4096,
5563 		.num_macs = 2048,
5564 		.num_internal_phys = 5,
5565 		.num_ports = 6,
5566 		.num_gpio = 11,
5567 		.max_vid = 4095,
5568 		.port_base_addr = 0x10,
5569 		.phy_base_addr = 0x10,
5570 		.global1_addr = 0x1b,
5571 		.global2_addr = 0x1c,
5572 		.age_time_coeff = 3750,
5573 		.atu_move_port_mask = 0x1f,
5574 		.g1_irqs = 9,
5575 		.g2_irqs = 10,
5576 		.pvt = true,
5577 		.multi_chip = true,
5578 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5579 		.ptp_support = true,
5580 		.ops = &mv88e6341_ops,
5581 	},
5582 
5583 	[MV88E6350] = {
5584 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6350,
5585 		.family = MV88E6XXX_FAMILY_6351,
5586 		.name = "Marvell 88E6350",
5587 		.num_databases = 4096,
5588 		.num_macs = 8192,
5589 		.num_ports = 7,
5590 		.num_internal_phys = 5,
5591 		.max_vid = 4095,
5592 		.port_base_addr = 0x10,
5593 		.phy_base_addr = 0x0,
5594 		.global1_addr = 0x1b,
5595 		.global2_addr = 0x1c,
5596 		.age_time_coeff = 15000,
5597 		.g1_irqs = 9,
5598 		.g2_irqs = 10,
5599 		.atu_move_port_mask = 0xf,
5600 		.pvt = true,
5601 		.multi_chip = true,
5602 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5603 		.ops = &mv88e6350_ops,
5604 	},
5605 
5606 	[MV88E6351] = {
5607 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6351,
5608 		.family = MV88E6XXX_FAMILY_6351,
5609 		.name = "Marvell 88E6351",
5610 		.num_databases = 4096,
5611 		.num_macs = 8192,
5612 		.num_ports = 7,
5613 		.num_internal_phys = 5,
5614 		.max_vid = 4095,
5615 		.port_base_addr = 0x10,
5616 		.phy_base_addr = 0x0,
5617 		.global1_addr = 0x1b,
5618 		.global2_addr = 0x1c,
5619 		.age_time_coeff = 15000,
5620 		.g1_irqs = 9,
5621 		.g2_irqs = 10,
5622 		.atu_move_port_mask = 0xf,
5623 		.pvt = true,
5624 		.multi_chip = true,
5625 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5626 		.ops = &mv88e6351_ops,
5627 	},
5628 
5629 	[MV88E6352] = {
5630 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6352,
5631 		.family = MV88E6XXX_FAMILY_6352,
5632 		.name = "Marvell 88E6352",
5633 		.num_databases = 4096,
5634 		.num_macs = 8192,
5635 		.num_ports = 7,
5636 		.num_internal_phys = 5,
5637 		.num_gpio = 15,
5638 		.max_vid = 4095,
5639 		.port_base_addr = 0x10,
5640 		.phy_base_addr = 0x0,
5641 		.global1_addr = 0x1b,
5642 		.global2_addr = 0x1c,
5643 		.age_time_coeff = 15000,
5644 		.g1_irqs = 9,
5645 		.g2_irqs = 10,
5646 		.atu_move_port_mask = 0xf,
5647 		.pvt = true,
5648 		.multi_chip = true,
5649 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5650 		.ptp_support = true,
5651 		.ops = &mv88e6352_ops,
5652 	},
5653 	[MV88E6390] = {
5654 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
5655 		.family = MV88E6XXX_FAMILY_6390,
5656 		.name = "Marvell 88E6390",
5657 		.num_databases = 4096,
5658 		.num_macs = 16384,
5659 		.num_ports = 11,	/* 10 + Z80 */
5660 		.num_internal_phys = 9,
5661 		.num_gpio = 16,
5662 		.max_vid = 8191,
5663 		.port_base_addr = 0x0,
5664 		.phy_base_addr = 0x0,
5665 		.global1_addr = 0x1b,
5666 		.global2_addr = 0x1c,
5667 		.age_time_coeff = 3750,
5668 		.g1_irqs = 9,
5669 		.g2_irqs = 14,
5670 		.atu_move_port_mask = 0x1f,
5671 		.pvt = true,
5672 		.multi_chip = true,
5673 		.edsa_support = MV88E6XXX_EDSA_UNDOCUMENTED,
5674 		.ptp_support = true,
5675 		.ops = &mv88e6390_ops,
5676 	},
5677 	[MV88E6390X] = {
5678 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390X,
5679 		.family = MV88E6XXX_FAMILY_6390,
5680 		.name = "Marvell 88E6390X",
5681 		.num_databases = 4096,
5682 		.num_macs = 16384,
5683 		.num_ports = 11,	/* 10 + Z80 */
5684 		.num_internal_phys = 9,
5685 		.num_gpio = 16,
5686 		.max_vid = 8191,
5687 		.port_base_addr = 0x0,
5688 		.phy_base_addr = 0x0,
5689 		.global1_addr = 0x1b,
5690 		.global2_addr = 0x1c,
5691 		.age_time_coeff = 3750,
5692 		.g1_irqs = 9,
5693 		.g2_irqs = 14,
5694 		.atu_move_port_mask = 0x1f,
5695 		.pvt = true,
5696 		.multi_chip = true,
5697 		.edsa_support = MV88E6XXX_EDSA_UNDOCUMENTED,
5698 		.ptp_support = true,
5699 		.ops = &mv88e6390x_ops,
5700 	},
5701 
5702 	[MV88E6393X] = {
5703 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6393X,
5704 		.family = MV88E6XXX_FAMILY_6393,
5705 		.name = "Marvell 88E6393X",
5706 		.num_databases = 4096,
5707 		.num_ports = 11,	/* 10 + Z80 */
5708 		.num_internal_phys = 9,
5709 		.max_vid = 8191,
5710 		.port_base_addr = 0x0,
5711 		.phy_base_addr = 0x0,
5712 		.global1_addr = 0x1b,
5713 		.global2_addr = 0x1c,
5714 		.age_time_coeff = 3750,
5715 		.g1_irqs = 10,
5716 		.g2_irqs = 14,
5717 		.atu_move_port_mask = 0x1f,
5718 		.pvt = true,
5719 		.multi_chip = true,
5720 		.ptp_support = true,
5721 		.ops = &mv88e6393x_ops,
5722 	},
5723 };
5724 
mv88e6xxx_lookup_info(unsigned int prod_num)5725 static const struct mv88e6xxx_info *mv88e6xxx_lookup_info(unsigned int prod_num)
5726 {
5727 	int i;
5728 
5729 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_table); ++i)
5730 		if (mv88e6xxx_table[i].prod_num == prod_num)
5731 			return &mv88e6xxx_table[i];
5732 
5733 	return NULL;
5734 }
5735 
mv88e6xxx_detect(struct mv88e6xxx_chip * chip)5736 static int mv88e6xxx_detect(struct mv88e6xxx_chip *chip)
5737 {
5738 	const struct mv88e6xxx_info *info;
5739 	unsigned int prod_num, rev;
5740 	u16 id;
5741 	int err;
5742 
5743 	mv88e6xxx_reg_lock(chip);
5744 	err = mv88e6xxx_port_read(chip, 0, MV88E6XXX_PORT_SWITCH_ID, &id);
5745 	mv88e6xxx_reg_unlock(chip);
5746 	if (err)
5747 		return err;
5748 
5749 	prod_num = id & MV88E6XXX_PORT_SWITCH_ID_PROD_MASK;
5750 	rev = id & MV88E6XXX_PORT_SWITCH_ID_REV_MASK;
5751 
5752 	info = mv88e6xxx_lookup_info(prod_num);
5753 	if (!info)
5754 		return -ENODEV;
5755 
5756 	/* Update the compatible info with the probed one */
5757 	chip->info = info;
5758 
5759 	dev_info(chip->dev, "switch 0x%x detected: %s, revision %u\n",
5760 		 chip->info->prod_num, chip->info->name, rev);
5761 
5762 	return 0;
5763 }
5764 
mv88e6xxx_alloc_chip(struct device * dev)5765 static struct mv88e6xxx_chip *mv88e6xxx_alloc_chip(struct device *dev)
5766 {
5767 	struct mv88e6xxx_chip *chip;
5768 
5769 	chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
5770 	if (!chip)
5771 		return NULL;
5772 
5773 	chip->dev = dev;
5774 
5775 	mutex_init(&chip->reg_lock);
5776 	INIT_LIST_HEAD(&chip->mdios);
5777 	idr_init(&chip->policies);
5778 
5779 	return chip;
5780 }
5781 
mv88e6xxx_get_tag_protocol(struct dsa_switch * ds,int port,enum dsa_tag_protocol m)5782 static enum dsa_tag_protocol mv88e6xxx_get_tag_protocol(struct dsa_switch *ds,
5783 							int port,
5784 							enum dsa_tag_protocol m)
5785 {
5786 	struct mv88e6xxx_chip *chip = ds->priv;
5787 
5788 	return chip->tag_protocol;
5789 }
5790 
mv88e6xxx_change_tag_protocol(struct dsa_switch * ds,int port,enum dsa_tag_protocol proto)5791 static int mv88e6xxx_change_tag_protocol(struct dsa_switch *ds, int port,
5792 					 enum dsa_tag_protocol proto)
5793 {
5794 	struct mv88e6xxx_chip *chip = ds->priv;
5795 	enum dsa_tag_protocol old_protocol;
5796 	int err;
5797 
5798 	switch (proto) {
5799 	case DSA_TAG_PROTO_EDSA:
5800 		switch (chip->info->edsa_support) {
5801 		case MV88E6XXX_EDSA_UNSUPPORTED:
5802 			return -EPROTONOSUPPORT;
5803 		case MV88E6XXX_EDSA_UNDOCUMENTED:
5804 			dev_warn(chip->dev, "Relying on undocumented EDSA tagging behavior\n");
5805 			fallthrough;
5806 		case MV88E6XXX_EDSA_SUPPORTED:
5807 			break;
5808 		}
5809 		break;
5810 	case DSA_TAG_PROTO_DSA:
5811 		break;
5812 	default:
5813 		return -EPROTONOSUPPORT;
5814 	}
5815 
5816 	old_protocol = chip->tag_protocol;
5817 	chip->tag_protocol = proto;
5818 
5819 	mv88e6xxx_reg_lock(chip);
5820 	err = mv88e6xxx_setup_port_mode(chip, port);
5821 	mv88e6xxx_reg_unlock(chip);
5822 
5823 	if (err)
5824 		chip->tag_protocol = old_protocol;
5825 
5826 	return err;
5827 }
5828 
mv88e6xxx_port_mdb_add(struct dsa_switch * ds,int port,const struct switchdev_obj_port_mdb * mdb)5829 static int mv88e6xxx_port_mdb_add(struct dsa_switch *ds, int port,
5830 				  const struct switchdev_obj_port_mdb *mdb)
5831 {
5832 	struct mv88e6xxx_chip *chip = ds->priv;
5833 	int err;
5834 
5835 	mv88e6xxx_reg_lock(chip);
5836 	err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid,
5837 					   MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC);
5838 	mv88e6xxx_reg_unlock(chip);
5839 
5840 	return err;
5841 }
5842 
mv88e6xxx_port_mdb_del(struct dsa_switch * ds,int port,const struct switchdev_obj_port_mdb * mdb)5843 static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, int port,
5844 				  const struct switchdev_obj_port_mdb *mdb)
5845 {
5846 	struct mv88e6xxx_chip *chip = ds->priv;
5847 	int err;
5848 
5849 	mv88e6xxx_reg_lock(chip);
5850 	err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid, 0);
5851 	mv88e6xxx_reg_unlock(chip);
5852 
5853 	return err;
5854 }
5855 
mv88e6xxx_port_mirror_add(struct dsa_switch * ds,int port,struct dsa_mall_mirror_tc_entry * mirror,bool ingress)5856 static int mv88e6xxx_port_mirror_add(struct dsa_switch *ds, int port,
5857 				     struct dsa_mall_mirror_tc_entry *mirror,
5858 				     bool ingress)
5859 {
5860 	enum mv88e6xxx_egress_direction direction = ingress ?
5861 						MV88E6XXX_EGRESS_DIR_INGRESS :
5862 						MV88E6XXX_EGRESS_DIR_EGRESS;
5863 	struct mv88e6xxx_chip *chip = ds->priv;
5864 	bool other_mirrors = false;
5865 	int i;
5866 	int err;
5867 
5868 	mutex_lock(&chip->reg_lock);
5869 	if ((ingress ? chip->ingress_dest_port : chip->egress_dest_port) !=
5870 	    mirror->to_local_port) {
5871 		for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
5872 			other_mirrors |= ingress ?
5873 					 chip->ports[i].mirror_ingress :
5874 					 chip->ports[i].mirror_egress;
5875 
5876 		/* Can't change egress port when other mirror is active */
5877 		if (other_mirrors) {
5878 			err = -EBUSY;
5879 			goto out;
5880 		}
5881 
5882 		err = mv88e6xxx_set_egress_port(chip, direction,
5883 						mirror->to_local_port);
5884 		if (err)
5885 			goto out;
5886 	}
5887 
5888 	err = mv88e6xxx_port_set_mirror(chip, port, direction, true);
5889 out:
5890 	mutex_unlock(&chip->reg_lock);
5891 
5892 	return err;
5893 }
5894 
mv88e6xxx_port_mirror_del(struct dsa_switch * ds,int port,struct dsa_mall_mirror_tc_entry * mirror)5895 static void mv88e6xxx_port_mirror_del(struct dsa_switch *ds, int port,
5896 				      struct dsa_mall_mirror_tc_entry *mirror)
5897 {
5898 	enum mv88e6xxx_egress_direction direction = mirror->ingress ?
5899 						MV88E6XXX_EGRESS_DIR_INGRESS :
5900 						MV88E6XXX_EGRESS_DIR_EGRESS;
5901 	struct mv88e6xxx_chip *chip = ds->priv;
5902 	bool other_mirrors = false;
5903 	int i;
5904 
5905 	mutex_lock(&chip->reg_lock);
5906 	if (mv88e6xxx_port_set_mirror(chip, port, direction, false))
5907 		dev_err(ds->dev, "p%d: failed to disable mirroring\n", port);
5908 
5909 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
5910 		other_mirrors |= mirror->ingress ?
5911 				 chip->ports[i].mirror_ingress :
5912 				 chip->ports[i].mirror_egress;
5913 
5914 	/* Reset egress port when no other mirror is active */
5915 	if (!other_mirrors) {
5916 		if (mv88e6xxx_set_egress_port(chip, direction,
5917 					      dsa_upstream_port(ds, port)))
5918 			dev_err(ds->dev, "failed to set egress port\n");
5919 	}
5920 
5921 	mutex_unlock(&chip->reg_lock);
5922 }
5923 
mv88e6xxx_port_pre_bridge_flags(struct dsa_switch * ds,int port,struct switchdev_brport_flags flags,struct netlink_ext_ack * extack)5924 static int mv88e6xxx_port_pre_bridge_flags(struct dsa_switch *ds, int port,
5925 					   struct switchdev_brport_flags flags,
5926 					   struct netlink_ext_ack *extack)
5927 {
5928 	struct mv88e6xxx_chip *chip = ds->priv;
5929 	const struct mv88e6xxx_ops *ops;
5930 
5931 	if (flags.mask & ~(BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD |
5932 			   BR_BCAST_FLOOD))
5933 		return -EINVAL;
5934 
5935 	ops = chip->info->ops;
5936 
5937 	if ((flags.mask & BR_FLOOD) && !ops->port_set_ucast_flood)
5938 		return -EINVAL;
5939 
5940 	if ((flags.mask & BR_MCAST_FLOOD) && !ops->port_set_mcast_flood)
5941 		return -EINVAL;
5942 
5943 	return 0;
5944 }
5945 
mv88e6xxx_port_bridge_flags(struct dsa_switch * ds,int port,struct switchdev_brport_flags flags,struct netlink_ext_ack * extack)5946 static int mv88e6xxx_port_bridge_flags(struct dsa_switch *ds, int port,
5947 				       struct switchdev_brport_flags flags,
5948 				       struct netlink_ext_ack *extack)
5949 {
5950 	struct mv88e6xxx_chip *chip = ds->priv;
5951 	int err = -EOPNOTSUPP;
5952 
5953 	mv88e6xxx_reg_lock(chip);
5954 
5955 	if (flags.mask & BR_LEARNING) {
5956 		bool learning = !!(flags.val & BR_LEARNING);
5957 		u16 pav = learning ? (1 << port) : 0;
5958 
5959 		err = mv88e6xxx_port_set_assoc_vector(chip, port, pav);
5960 		if (err)
5961 			goto out;
5962 	}
5963 
5964 	if (flags.mask & BR_FLOOD) {
5965 		bool unicast = !!(flags.val & BR_FLOOD);
5966 
5967 		err = chip->info->ops->port_set_ucast_flood(chip, port,
5968 							    unicast);
5969 		if (err)
5970 			goto out;
5971 	}
5972 
5973 	if (flags.mask & BR_MCAST_FLOOD) {
5974 		bool multicast = !!(flags.val & BR_MCAST_FLOOD);
5975 
5976 		err = chip->info->ops->port_set_mcast_flood(chip, port,
5977 							    multicast);
5978 		if (err)
5979 			goto out;
5980 	}
5981 
5982 	if (flags.mask & BR_BCAST_FLOOD) {
5983 		bool broadcast = !!(flags.val & BR_BCAST_FLOOD);
5984 
5985 		err = mv88e6xxx_port_broadcast_sync(chip, port, broadcast);
5986 		if (err)
5987 			goto out;
5988 	}
5989 
5990 out:
5991 	mv88e6xxx_reg_unlock(chip);
5992 
5993 	return err;
5994 }
5995 
mv88e6xxx_lag_can_offload(struct dsa_switch * ds,struct net_device * lag,struct netdev_lag_upper_info * info)5996 static bool mv88e6xxx_lag_can_offload(struct dsa_switch *ds,
5997 				      struct net_device *lag,
5998 				      struct netdev_lag_upper_info *info)
5999 {
6000 	struct mv88e6xxx_chip *chip = ds->priv;
6001 	struct dsa_port *dp;
6002 	int id, members = 0;
6003 
6004 	if (!mv88e6xxx_has_lag(chip))
6005 		return false;
6006 
6007 	id = dsa_lag_id(ds->dst, lag);
6008 	if (id < 0 || id >= ds->num_lag_ids)
6009 		return false;
6010 
6011 	dsa_lag_foreach_port(dp, ds->dst, lag)
6012 		/* Includes the port joining the LAG */
6013 		members++;
6014 
6015 	if (members > 8)
6016 		return false;
6017 
6018 	/* We could potentially relax this to include active
6019 	 * backup in the future.
6020 	 */
6021 	if (info->tx_type != NETDEV_LAG_TX_TYPE_HASH)
6022 		return false;
6023 
6024 	/* Ideally we would also validate that the hash type matches
6025 	 * the hardware. Alas, this is always set to unknown on team
6026 	 * interfaces.
6027 	 */
6028 	return true;
6029 }
6030 
mv88e6xxx_lag_sync_map(struct dsa_switch * ds,struct net_device * lag)6031 static int mv88e6xxx_lag_sync_map(struct dsa_switch *ds, struct net_device *lag)
6032 {
6033 	struct mv88e6xxx_chip *chip = ds->priv;
6034 	struct dsa_port *dp;
6035 	u16 map = 0;
6036 	int id;
6037 
6038 	id = dsa_lag_id(ds->dst, lag);
6039 
6040 	/* Build the map of all ports to distribute flows destined for
6041 	 * this LAG. This can be either a local user port, or a DSA
6042 	 * port if the LAG port is on a remote chip.
6043 	 */
6044 	dsa_lag_foreach_port(dp, ds->dst, lag)
6045 		map |= BIT(dsa_towards_port(ds, dp->ds->index, dp->index));
6046 
6047 	return mv88e6xxx_g2_trunk_mapping_write(chip, id, map);
6048 }
6049 
6050 static const u8 mv88e6xxx_lag_mask_table[8][8] = {
6051 	/* Row number corresponds to the number of active members in a
6052 	 * LAG. Each column states which of the eight hash buckets are
6053 	 * mapped to the column:th port in the LAG.
6054 	 *
6055 	 * Example: In a LAG with three active ports, the second port
6056 	 * ([2][1]) would be selected for traffic mapped to buckets
6057 	 * 3,4,5 (0x38).
6058 	 */
6059 	{ 0xff,    0,    0,    0,    0,    0,    0,    0 },
6060 	{ 0x0f, 0xf0,    0,    0,    0,    0,    0,    0 },
6061 	{ 0x07, 0x38, 0xc0,    0,    0,    0,    0,    0 },
6062 	{ 0x03, 0x0c, 0x30, 0xc0,    0,    0,    0,    0 },
6063 	{ 0x03, 0x0c, 0x30, 0x40, 0x80,    0,    0,    0 },
6064 	{ 0x03, 0x0c, 0x10, 0x20, 0x40, 0x80,    0,    0 },
6065 	{ 0x03, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,    0 },
6066 	{ 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 },
6067 };
6068 
mv88e6xxx_lag_set_port_mask(u16 * mask,int port,int num_tx,int nth)6069 static void mv88e6xxx_lag_set_port_mask(u16 *mask, int port,
6070 					int num_tx, int nth)
6071 {
6072 	u8 active = 0;
6073 	int i;
6074 
6075 	num_tx = num_tx <= 8 ? num_tx : 8;
6076 	if (nth < num_tx)
6077 		active = mv88e6xxx_lag_mask_table[num_tx - 1][nth];
6078 
6079 	for (i = 0; i < 8; i++) {
6080 		if (BIT(i) & active)
6081 			mask[i] |= BIT(port);
6082 	}
6083 }
6084 
mv88e6xxx_lag_sync_masks(struct dsa_switch * ds)6085 static int mv88e6xxx_lag_sync_masks(struct dsa_switch *ds)
6086 {
6087 	struct mv88e6xxx_chip *chip = ds->priv;
6088 	unsigned int id, num_tx;
6089 	struct net_device *lag;
6090 	struct dsa_port *dp;
6091 	int i, err, nth;
6092 	u16 mask[8];
6093 	u16 ivec;
6094 
6095 	/* Assume no port is a member of any LAG. */
6096 	ivec = BIT(mv88e6xxx_num_ports(chip)) - 1;
6097 
6098 	/* Disable all masks for ports that _are_ members of a LAG. */
6099 	list_for_each_entry(dp, &ds->dst->ports, list) {
6100 		if (!dp->lag_dev || dp->ds != ds)
6101 			continue;
6102 
6103 		ivec &= ~BIT(dp->index);
6104 	}
6105 
6106 	for (i = 0; i < 8; i++)
6107 		mask[i] = ivec;
6108 
6109 	/* Enable the correct subset of masks for all LAG ports that
6110 	 * are in the Tx set.
6111 	 */
6112 	dsa_lags_foreach_id(id, ds->dst) {
6113 		lag = dsa_lag_dev(ds->dst, id);
6114 		if (!lag)
6115 			continue;
6116 
6117 		num_tx = 0;
6118 		dsa_lag_foreach_port(dp, ds->dst, lag) {
6119 			if (dp->lag_tx_enabled)
6120 				num_tx++;
6121 		}
6122 
6123 		if (!num_tx)
6124 			continue;
6125 
6126 		nth = 0;
6127 		dsa_lag_foreach_port(dp, ds->dst, lag) {
6128 			if (!dp->lag_tx_enabled)
6129 				continue;
6130 
6131 			if (dp->ds == ds)
6132 				mv88e6xxx_lag_set_port_mask(mask, dp->index,
6133 							    num_tx, nth);
6134 
6135 			nth++;
6136 		}
6137 	}
6138 
6139 	for (i = 0; i < 8; i++) {
6140 		err = mv88e6xxx_g2_trunk_mask_write(chip, i, true, mask[i]);
6141 		if (err)
6142 			return err;
6143 	}
6144 
6145 	return 0;
6146 }
6147 
mv88e6xxx_lag_sync_masks_map(struct dsa_switch * ds,struct net_device * lag)6148 static int mv88e6xxx_lag_sync_masks_map(struct dsa_switch *ds,
6149 					struct net_device *lag)
6150 {
6151 	int err;
6152 
6153 	err = mv88e6xxx_lag_sync_masks(ds);
6154 
6155 	if (!err)
6156 		err = mv88e6xxx_lag_sync_map(ds, lag);
6157 
6158 	return err;
6159 }
6160 
mv88e6xxx_port_lag_change(struct dsa_switch * ds,int port)6161 static int mv88e6xxx_port_lag_change(struct dsa_switch *ds, int port)
6162 {
6163 	struct mv88e6xxx_chip *chip = ds->priv;
6164 	int err;
6165 
6166 	mv88e6xxx_reg_lock(chip);
6167 	err = mv88e6xxx_lag_sync_masks(ds);
6168 	mv88e6xxx_reg_unlock(chip);
6169 	return err;
6170 }
6171 
mv88e6xxx_port_lag_join(struct dsa_switch * ds,int port,struct net_device * lag,struct netdev_lag_upper_info * info)6172 static int mv88e6xxx_port_lag_join(struct dsa_switch *ds, int port,
6173 				   struct net_device *lag,
6174 				   struct netdev_lag_upper_info *info)
6175 {
6176 	struct mv88e6xxx_chip *chip = ds->priv;
6177 	int err, id;
6178 
6179 	if (!mv88e6xxx_lag_can_offload(ds, lag, info))
6180 		return -EOPNOTSUPP;
6181 
6182 	id = dsa_lag_id(ds->dst, lag);
6183 
6184 	mv88e6xxx_reg_lock(chip);
6185 
6186 	err = mv88e6xxx_port_set_trunk(chip, port, true, id);
6187 	if (err)
6188 		goto err_unlock;
6189 
6190 	err = mv88e6xxx_lag_sync_masks_map(ds, lag);
6191 	if (err)
6192 		goto err_clear_trunk;
6193 
6194 	mv88e6xxx_reg_unlock(chip);
6195 	return 0;
6196 
6197 err_clear_trunk:
6198 	mv88e6xxx_port_set_trunk(chip, port, false, 0);
6199 err_unlock:
6200 	mv88e6xxx_reg_unlock(chip);
6201 	return err;
6202 }
6203 
mv88e6xxx_port_lag_leave(struct dsa_switch * ds,int port,struct net_device * lag)6204 static int mv88e6xxx_port_lag_leave(struct dsa_switch *ds, int port,
6205 				    struct net_device *lag)
6206 {
6207 	struct mv88e6xxx_chip *chip = ds->priv;
6208 	int err_sync, err_trunk;
6209 
6210 	mv88e6xxx_reg_lock(chip);
6211 	err_sync = mv88e6xxx_lag_sync_masks_map(ds, lag);
6212 	err_trunk = mv88e6xxx_port_set_trunk(chip, port, false, 0);
6213 	mv88e6xxx_reg_unlock(chip);
6214 	return err_sync ? : err_trunk;
6215 }
6216 
mv88e6xxx_crosschip_lag_change(struct dsa_switch * ds,int sw_index,int port)6217 static int mv88e6xxx_crosschip_lag_change(struct dsa_switch *ds, int sw_index,
6218 					  int port)
6219 {
6220 	struct mv88e6xxx_chip *chip = ds->priv;
6221 	int err;
6222 
6223 	mv88e6xxx_reg_lock(chip);
6224 	err = mv88e6xxx_lag_sync_masks(ds);
6225 	mv88e6xxx_reg_unlock(chip);
6226 	return err;
6227 }
6228 
mv88e6xxx_crosschip_lag_join(struct dsa_switch * ds,int sw_index,int port,struct net_device * lag,struct netdev_lag_upper_info * info)6229 static int mv88e6xxx_crosschip_lag_join(struct dsa_switch *ds, int sw_index,
6230 					int port, struct net_device *lag,
6231 					struct netdev_lag_upper_info *info)
6232 {
6233 	struct mv88e6xxx_chip *chip = ds->priv;
6234 	int err;
6235 
6236 	if (!mv88e6xxx_lag_can_offload(ds, lag, info))
6237 		return -EOPNOTSUPP;
6238 
6239 	mv88e6xxx_reg_lock(chip);
6240 
6241 	err = mv88e6xxx_lag_sync_masks_map(ds, lag);
6242 	if (err)
6243 		goto unlock;
6244 
6245 	err = mv88e6xxx_pvt_map(chip, sw_index, port);
6246 
6247 unlock:
6248 	mv88e6xxx_reg_unlock(chip);
6249 	return err;
6250 }
6251 
mv88e6xxx_crosschip_lag_leave(struct dsa_switch * ds,int sw_index,int port,struct net_device * lag)6252 static int mv88e6xxx_crosschip_lag_leave(struct dsa_switch *ds, int sw_index,
6253 					 int port, struct net_device *lag)
6254 {
6255 	struct mv88e6xxx_chip *chip = ds->priv;
6256 	int err_sync, err_pvt;
6257 
6258 	mv88e6xxx_reg_lock(chip);
6259 	err_sync = mv88e6xxx_lag_sync_masks_map(ds, lag);
6260 	err_pvt = mv88e6xxx_pvt_map(chip, sw_index, port);
6261 	mv88e6xxx_reg_unlock(chip);
6262 	return err_sync ? : err_pvt;
6263 }
6264 
6265 static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
6266 	.get_tag_protocol	= mv88e6xxx_get_tag_protocol,
6267 	.change_tag_protocol	= mv88e6xxx_change_tag_protocol,
6268 	.setup			= mv88e6xxx_setup,
6269 	.teardown		= mv88e6xxx_teardown,
6270 	.port_setup		= mv88e6xxx_port_setup,
6271 	.port_teardown		= mv88e6xxx_port_teardown,
6272 	.phylink_validate	= mv88e6xxx_validate,
6273 	.phylink_mac_link_state	= mv88e6xxx_serdes_pcs_get_state,
6274 	.phylink_mac_config	= mv88e6xxx_mac_config,
6275 	.phylink_mac_an_restart	= mv88e6xxx_serdes_pcs_an_restart,
6276 	.phylink_mac_link_down	= mv88e6xxx_mac_link_down,
6277 	.phylink_mac_link_up	= mv88e6xxx_mac_link_up,
6278 	.get_strings		= mv88e6xxx_get_strings,
6279 	.get_ethtool_stats	= mv88e6xxx_get_ethtool_stats,
6280 	.get_sset_count		= mv88e6xxx_get_sset_count,
6281 	.port_enable		= mv88e6xxx_port_enable,
6282 	.port_disable		= mv88e6xxx_port_disable,
6283 	.port_max_mtu		= mv88e6xxx_get_max_mtu,
6284 	.port_change_mtu	= mv88e6xxx_change_mtu,
6285 	.get_mac_eee		= mv88e6xxx_get_mac_eee,
6286 	.set_mac_eee		= mv88e6xxx_set_mac_eee,
6287 	.get_eeprom_len		= mv88e6xxx_get_eeprom_len,
6288 	.get_eeprom		= mv88e6xxx_get_eeprom,
6289 	.set_eeprom		= mv88e6xxx_set_eeprom,
6290 	.get_regs_len		= mv88e6xxx_get_regs_len,
6291 	.get_regs		= mv88e6xxx_get_regs,
6292 	.get_rxnfc		= mv88e6xxx_get_rxnfc,
6293 	.set_rxnfc		= mv88e6xxx_set_rxnfc,
6294 	.set_ageing_time	= mv88e6xxx_set_ageing_time,
6295 	.port_bridge_join	= mv88e6xxx_port_bridge_join,
6296 	.port_bridge_leave	= mv88e6xxx_port_bridge_leave,
6297 	.port_pre_bridge_flags	= mv88e6xxx_port_pre_bridge_flags,
6298 	.port_bridge_flags	= mv88e6xxx_port_bridge_flags,
6299 	.port_stp_state_set	= mv88e6xxx_port_stp_state_set,
6300 	.port_fast_age		= mv88e6xxx_port_fast_age,
6301 	.port_vlan_filtering	= mv88e6xxx_port_vlan_filtering,
6302 	.port_vlan_add		= mv88e6xxx_port_vlan_add,
6303 	.port_vlan_del		= mv88e6xxx_port_vlan_del,
6304 	.port_fdb_add           = mv88e6xxx_port_fdb_add,
6305 	.port_fdb_del           = mv88e6xxx_port_fdb_del,
6306 	.port_fdb_dump          = mv88e6xxx_port_fdb_dump,
6307 	.port_mdb_add           = mv88e6xxx_port_mdb_add,
6308 	.port_mdb_del           = mv88e6xxx_port_mdb_del,
6309 	.port_mirror_add	= mv88e6xxx_port_mirror_add,
6310 	.port_mirror_del	= mv88e6xxx_port_mirror_del,
6311 	.crosschip_bridge_join	= mv88e6xxx_crosschip_bridge_join,
6312 	.crosschip_bridge_leave	= mv88e6xxx_crosschip_bridge_leave,
6313 	.port_hwtstamp_set	= mv88e6xxx_port_hwtstamp_set,
6314 	.port_hwtstamp_get	= mv88e6xxx_port_hwtstamp_get,
6315 	.port_txtstamp		= mv88e6xxx_port_txtstamp,
6316 	.port_rxtstamp		= mv88e6xxx_port_rxtstamp,
6317 	.get_ts_info		= mv88e6xxx_get_ts_info,
6318 	.devlink_param_get	= mv88e6xxx_devlink_param_get,
6319 	.devlink_param_set	= mv88e6xxx_devlink_param_set,
6320 	.devlink_info_get	= mv88e6xxx_devlink_info_get,
6321 	.port_lag_change	= mv88e6xxx_port_lag_change,
6322 	.port_lag_join		= mv88e6xxx_port_lag_join,
6323 	.port_lag_leave		= mv88e6xxx_port_lag_leave,
6324 	.crosschip_lag_change	= mv88e6xxx_crosschip_lag_change,
6325 	.crosschip_lag_join	= mv88e6xxx_crosschip_lag_join,
6326 	.crosschip_lag_leave	= mv88e6xxx_crosschip_lag_leave,
6327 	.port_bridge_tx_fwd_offload = mv88e6xxx_bridge_tx_fwd_offload,
6328 	.port_bridge_tx_fwd_unoffload = mv88e6xxx_bridge_tx_fwd_unoffload,
6329 };
6330 
mv88e6xxx_register_switch(struct mv88e6xxx_chip * chip)6331 static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip)
6332 {
6333 	struct device *dev = chip->dev;
6334 	struct dsa_switch *ds;
6335 
6336 	ds = devm_kzalloc(dev, sizeof(*ds), GFP_KERNEL);
6337 	if (!ds)
6338 		return -ENOMEM;
6339 
6340 	ds->dev = dev;
6341 	ds->num_ports = mv88e6xxx_num_ports(chip);
6342 	ds->priv = chip;
6343 	ds->dev = dev;
6344 	ds->ops = &mv88e6xxx_switch_ops;
6345 	ds->ageing_time_min = chip->info->age_time_coeff;
6346 	ds->ageing_time_max = chip->info->age_time_coeff * U8_MAX;
6347 
6348 	/* Some chips support up to 32, but that requires enabling the
6349 	 * 5-bit port mode, which we do not support. 640k^W16 ought to
6350 	 * be enough for anyone.
6351 	 */
6352 	ds->num_lag_ids = mv88e6xxx_has_lag(chip) ? 16 : 0;
6353 
6354 	dev_set_drvdata(dev, ds);
6355 
6356 	return dsa_register_switch(ds);
6357 }
6358 
mv88e6xxx_unregister_switch(struct mv88e6xxx_chip * chip)6359 static void mv88e6xxx_unregister_switch(struct mv88e6xxx_chip *chip)
6360 {
6361 	dsa_unregister_switch(chip->ds);
6362 }
6363 
pdata_device_get_match_data(struct device * dev)6364 static const void *pdata_device_get_match_data(struct device *dev)
6365 {
6366 	const struct of_device_id *matches = dev->driver->of_match_table;
6367 	const struct dsa_mv88e6xxx_pdata *pdata = dev->platform_data;
6368 
6369 	for (; matches->name[0] || matches->type[0] || matches->compatible[0];
6370 	     matches++) {
6371 		if (!strcmp(pdata->compatible, matches->compatible))
6372 			return matches->data;
6373 	}
6374 	return NULL;
6375 }
6376 
6377 /* There is no suspend to RAM support at DSA level yet, the switch configuration
6378  * would be lost after a power cycle so prevent it to be suspended.
6379  */
mv88e6xxx_suspend(struct device * dev)6380 static int __maybe_unused mv88e6xxx_suspend(struct device *dev)
6381 {
6382 	return -EOPNOTSUPP;
6383 }
6384 
mv88e6xxx_resume(struct device * dev)6385 static int __maybe_unused mv88e6xxx_resume(struct device *dev)
6386 {
6387 	return 0;
6388 }
6389 
6390 static SIMPLE_DEV_PM_OPS(mv88e6xxx_pm_ops, mv88e6xxx_suspend, mv88e6xxx_resume);
6391 
mv88e6xxx_probe(struct mdio_device * mdiodev)6392 static int mv88e6xxx_probe(struct mdio_device *mdiodev)
6393 {
6394 	struct dsa_mv88e6xxx_pdata *pdata = mdiodev->dev.platform_data;
6395 	const struct mv88e6xxx_info *compat_info = NULL;
6396 	struct device *dev = &mdiodev->dev;
6397 	struct device_node *np = dev->of_node;
6398 	struct mv88e6xxx_chip *chip;
6399 	int port;
6400 	int err;
6401 
6402 	if (!np && !pdata)
6403 		return -EINVAL;
6404 
6405 	if (np)
6406 		compat_info = of_device_get_match_data(dev);
6407 
6408 	if (pdata) {
6409 		compat_info = pdata_device_get_match_data(dev);
6410 
6411 		if (!pdata->netdev)
6412 			return -EINVAL;
6413 
6414 		for (port = 0; port < DSA_MAX_PORTS; port++) {
6415 			if (!(pdata->enabled_ports & (1 << port)))
6416 				continue;
6417 			if (strcmp(pdata->cd.port_names[port], "cpu"))
6418 				continue;
6419 			pdata->cd.netdev[port] = &pdata->netdev->dev;
6420 			break;
6421 		}
6422 	}
6423 
6424 	if (!compat_info)
6425 		return -EINVAL;
6426 
6427 	chip = mv88e6xxx_alloc_chip(dev);
6428 	if (!chip) {
6429 		err = -ENOMEM;
6430 		goto out;
6431 	}
6432 
6433 	chip->info = compat_info;
6434 
6435 	err = mv88e6xxx_smi_init(chip, mdiodev->bus, mdiodev->addr);
6436 	if (err)
6437 		goto out;
6438 
6439 	chip->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
6440 	if (IS_ERR(chip->reset)) {
6441 		err = PTR_ERR(chip->reset);
6442 		goto out;
6443 	}
6444 	if (chip->reset)
6445 		usleep_range(10000, 20000);
6446 
6447 	err = mv88e6xxx_detect(chip);
6448 	if (err)
6449 		goto out;
6450 
6451 	if (chip->info->edsa_support == MV88E6XXX_EDSA_SUPPORTED)
6452 		chip->tag_protocol = DSA_TAG_PROTO_EDSA;
6453 	else
6454 		chip->tag_protocol = DSA_TAG_PROTO_DSA;
6455 
6456 	mv88e6xxx_phy_init(chip);
6457 
6458 	if (chip->info->ops->get_eeprom) {
6459 		if (np)
6460 			of_property_read_u32(np, "eeprom-length",
6461 					     &chip->eeprom_len);
6462 		else
6463 			chip->eeprom_len = pdata->eeprom_len;
6464 	}
6465 
6466 	mv88e6xxx_reg_lock(chip);
6467 	err = mv88e6xxx_switch_reset(chip);
6468 	mv88e6xxx_reg_unlock(chip);
6469 	if (err)
6470 		goto out;
6471 
6472 	if (np) {
6473 		chip->irq = of_irq_get(np, 0);
6474 		if (chip->irq == -EPROBE_DEFER) {
6475 			err = chip->irq;
6476 			goto out;
6477 		}
6478 	}
6479 
6480 	if (pdata)
6481 		chip->irq = pdata->irq;
6482 
6483 	/* Has to be performed before the MDIO bus is created, because
6484 	 * the PHYs will link their interrupts to these interrupt
6485 	 * controllers
6486 	 */
6487 	mv88e6xxx_reg_lock(chip);
6488 	if (chip->irq > 0)
6489 		err = mv88e6xxx_g1_irq_setup(chip);
6490 	else
6491 		err = mv88e6xxx_irq_poll_setup(chip);
6492 	mv88e6xxx_reg_unlock(chip);
6493 
6494 	if (err)
6495 		goto out;
6496 
6497 	if (chip->info->g2_irqs > 0) {
6498 		err = mv88e6xxx_g2_irq_setup(chip);
6499 		if (err)
6500 			goto out_g1_irq;
6501 	}
6502 
6503 	err = mv88e6xxx_g1_atu_prob_irq_setup(chip);
6504 	if (err)
6505 		goto out_g2_irq;
6506 
6507 	err = mv88e6xxx_g1_vtu_prob_irq_setup(chip);
6508 	if (err)
6509 		goto out_g1_atu_prob_irq;
6510 
6511 	err = mv88e6xxx_mdios_register(chip, np);
6512 	if (err)
6513 		goto out_g1_vtu_prob_irq;
6514 
6515 	err = mv88e6xxx_register_switch(chip);
6516 	if (err)
6517 		goto out_mdio;
6518 
6519 	return 0;
6520 
6521 out_mdio:
6522 	mv88e6xxx_mdios_unregister(chip);
6523 out_g1_vtu_prob_irq:
6524 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
6525 out_g1_atu_prob_irq:
6526 	mv88e6xxx_g1_atu_prob_irq_free(chip);
6527 out_g2_irq:
6528 	if (chip->info->g2_irqs > 0)
6529 		mv88e6xxx_g2_irq_free(chip);
6530 out_g1_irq:
6531 	if (chip->irq > 0)
6532 		mv88e6xxx_g1_irq_free(chip);
6533 	else
6534 		mv88e6xxx_irq_poll_free(chip);
6535 out:
6536 	if (pdata)
6537 		dev_put(pdata->netdev);
6538 
6539 	return err;
6540 }
6541 
mv88e6xxx_remove(struct mdio_device * mdiodev)6542 static void mv88e6xxx_remove(struct mdio_device *mdiodev)
6543 {
6544 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
6545 	struct mv88e6xxx_chip *chip;
6546 
6547 	if (!ds)
6548 		return;
6549 
6550 	chip = ds->priv;
6551 
6552 	if (chip->info->ptp_support) {
6553 		mv88e6xxx_hwtstamp_free(chip);
6554 		mv88e6xxx_ptp_free(chip);
6555 	}
6556 
6557 	mv88e6xxx_phy_destroy(chip);
6558 	mv88e6xxx_unregister_switch(chip);
6559 	mv88e6xxx_mdios_unregister(chip);
6560 
6561 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
6562 	mv88e6xxx_g1_atu_prob_irq_free(chip);
6563 
6564 	if (chip->info->g2_irqs > 0)
6565 		mv88e6xxx_g2_irq_free(chip);
6566 
6567 	if (chip->irq > 0)
6568 		mv88e6xxx_g1_irq_free(chip);
6569 	else
6570 		mv88e6xxx_irq_poll_free(chip);
6571 
6572 	dev_set_drvdata(&mdiodev->dev, NULL);
6573 }
6574 
mv88e6xxx_shutdown(struct mdio_device * mdiodev)6575 static void mv88e6xxx_shutdown(struct mdio_device *mdiodev)
6576 {
6577 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
6578 
6579 	if (!ds)
6580 		return;
6581 
6582 	dsa_switch_shutdown(ds);
6583 
6584 	dev_set_drvdata(&mdiodev->dev, NULL);
6585 }
6586 
6587 static const struct of_device_id mv88e6xxx_of_match[] = {
6588 	{
6589 		.compatible = "marvell,mv88e6085",
6590 		.data = &mv88e6xxx_table[MV88E6085],
6591 	},
6592 	{
6593 		.compatible = "marvell,mv88e6190",
6594 		.data = &mv88e6xxx_table[MV88E6190],
6595 	},
6596 	{
6597 		.compatible = "marvell,mv88e6250",
6598 		.data = &mv88e6xxx_table[MV88E6250],
6599 	},
6600 	{ /* sentinel */ },
6601 };
6602 
6603 MODULE_DEVICE_TABLE(of, mv88e6xxx_of_match);
6604 
6605 static struct mdio_driver mv88e6xxx_driver = {
6606 	.probe	= mv88e6xxx_probe,
6607 	.remove = mv88e6xxx_remove,
6608 	.shutdown = mv88e6xxx_shutdown,
6609 	.mdiodrv.driver = {
6610 		.name = "mv88e6085",
6611 		.of_match_table = mv88e6xxx_of_match,
6612 		.pm = &mv88e6xxx_pm_ops,
6613 	},
6614 };
6615 
6616 mdio_module_driver(mv88e6xxx_driver);
6617 
6618 MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>");
6619 MODULE_DESCRIPTION("Driver for Marvell 88E6XXX ethernet switch chips");
6620 MODULE_LICENSE("GPL");
6621