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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.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 	const unsigned long timeout = jiffies + msecs_to_jiffies(50);
90 	u16 data;
91 	int err;
92 	int i;
93 
94 	/* There's no bus specific operation to wait for a mask. Even
95 	 * if the initial poll takes longer than 50ms, always do at
96 	 * least one more attempt.
97 	 */
98 	for (i = 0; time_before(jiffies, timeout) || (i < 2); i++) {
99 		err = mv88e6xxx_read(chip, addr, reg, &data);
100 		if (err)
101 			return err;
102 
103 		if ((data & mask) == val)
104 			return 0;
105 
106 		if (i < 2)
107 			cpu_relax();
108 		else
109 			usleep_range(1000, 2000);
110 	}
111 
112 	err = mv88e6xxx_read(chip, addr, reg, &data);
113 	if (err)
114 		return err;
115 
116 	if ((data & mask) == val)
117 		return 0;
118 
119 	dev_err(chip->dev, "Timeout while waiting for switch\n");
120 	return -ETIMEDOUT;
121 }
122 
mv88e6xxx_wait_bit(struct mv88e6xxx_chip * chip,int addr,int reg,int bit,int val)123 int mv88e6xxx_wait_bit(struct mv88e6xxx_chip *chip, int addr, int reg,
124 		       int bit, int val)
125 {
126 	return mv88e6xxx_wait_mask(chip, addr, reg, BIT(bit),
127 				   val ? BIT(bit) : 0x0000);
128 }
129 
mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip * chip)130 struct mii_bus *mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip *chip)
131 {
132 	struct mv88e6xxx_mdio_bus *mdio_bus;
133 
134 	mdio_bus = list_first_entry_or_null(&chip->mdios,
135 					    struct mv88e6xxx_mdio_bus, list);
136 	if (!mdio_bus)
137 		return NULL;
138 
139 	return mdio_bus->bus;
140 }
141 
mv88e6xxx_g1_irq_mask(struct irq_data * d)142 static void mv88e6xxx_g1_irq_mask(struct irq_data *d)
143 {
144 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
145 	unsigned int n = d->hwirq;
146 
147 	chip->g1_irq.masked |= (1 << n);
148 }
149 
mv88e6xxx_g1_irq_unmask(struct irq_data * d)150 static void mv88e6xxx_g1_irq_unmask(struct irq_data *d)
151 {
152 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
153 	unsigned int n = d->hwirq;
154 
155 	chip->g1_irq.masked &= ~(1 << n);
156 }
157 
mv88e6xxx_g1_irq_thread_work(struct mv88e6xxx_chip * chip)158 static irqreturn_t mv88e6xxx_g1_irq_thread_work(struct mv88e6xxx_chip *chip)
159 {
160 	unsigned int nhandled = 0;
161 	unsigned int sub_irq;
162 	unsigned int n;
163 	u16 reg;
164 	u16 ctl1;
165 	int err;
166 
167 	mv88e6xxx_reg_lock(chip);
168 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
169 	mv88e6xxx_reg_unlock(chip);
170 
171 	if (err)
172 		goto out;
173 
174 	do {
175 		for (n = 0; n < chip->g1_irq.nirqs; ++n) {
176 			if (reg & (1 << n)) {
177 				sub_irq = irq_find_mapping(chip->g1_irq.domain,
178 							   n);
179 				handle_nested_irq(sub_irq);
180 				++nhandled;
181 			}
182 		}
183 
184 		mv88e6xxx_reg_lock(chip);
185 		err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &ctl1);
186 		if (err)
187 			goto unlock;
188 		err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
189 unlock:
190 		mv88e6xxx_reg_unlock(chip);
191 		if (err)
192 			goto out;
193 		ctl1 &= GENMASK(chip->g1_irq.nirqs, 0);
194 	} while (reg & ctl1);
195 
196 out:
197 	return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE);
198 }
199 
mv88e6xxx_g1_irq_thread_fn(int irq,void * dev_id)200 static irqreturn_t mv88e6xxx_g1_irq_thread_fn(int irq, void *dev_id)
201 {
202 	struct mv88e6xxx_chip *chip = dev_id;
203 
204 	return mv88e6xxx_g1_irq_thread_work(chip);
205 }
206 
mv88e6xxx_g1_irq_bus_lock(struct irq_data * d)207 static void mv88e6xxx_g1_irq_bus_lock(struct irq_data *d)
208 {
209 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
210 
211 	mv88e6xxx_reg_lock(chip);
212 }
213 
mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data * d)214 static void mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data *d)
215 {
216 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
217 	u16 mask = GENMASK(chip->g1_irq.nirqs, 0);
218 	u16 reg;
219 	int err;
220 
221 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &reg);
222 	if (err)
223 		goto out;
224 
225 	reg &= ~mask;
226 	reg |= (~chip->g1_irq.masked & mask);
227 
228 	err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, reg);
229 	if (err)
230 		goto out;
231 
232 out:
233 	mv88e6xxx_reg_unlock(chip);
234 }
235 
236 static const struct irq_chip mv88e6xxx_g1_irq_chip = {
237 	.name			= "mv88e6xxx-g1",
238 	.irq_mask		= mv88e6xxx_g1_irq_mask,
239 	.irq_unmask		= mv88e6xxx_g1_irq_unmask,
240 	.irq_bus_lock		= mv88e6xxx_g1_irq_bus_lock,
241 	.irq_bus_sync_unlock	= mv88e6xxx_g1_irq_bus_sync_unlock,
242 };
243 
mv88e6xxx_g1_irq_domain_map(struct irq_domain * d,unsigned int irq,irq_hw_number_t hwirq)244 static int mv88e6xxx_g1_irq_domain_map(struct irq_domain *d,
245 				       unsigned int irq,
246 				       irq_hw_number_t hwirq)
247 {
248 	struct mv88e6xxx_chip *chip = d->host_data;
249 
250 	irq_set_chip_data(irq, d->host_data);
251 	irq_set_chip_and_handler(irq, &chip->g1_irq.chip, handle_level_irq);
252 	irq_set_noprobe(irq);
253 
254 	return 0;
255 }
256 
257 static const struct irq_domain_ops mv88e6xxx_g1_irq_domain_ops = {
258 	.map	= mv88e6xxx_g1_irq_domain_map,
259 	.xlate	= irq_domain_xlate_twocell,
260 };
261 
262 /* To be called with reg_lock held */
mv88e6xxx_g1_irq_free_common(struct mv88e6xxx_chip * chip)263 static void mv88e6xxx_g1_irq_free_common(struct mv88e6xxx_chip *chip)
264 {
265 	int irq, virq;
266 	u16 mask;
267 
268 	mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
269 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
270 	mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
271 
272 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++) {
273 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
274 		irq_dispose_mapping(virq);
275 	}
276 
277 	irq_domain_remove(chip->g1_irq.domain);
278 }
279 
mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip * chip)280 static void mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip *chip)
281 {
282 	/*
283 	 * free_irq must be called without reg_lock taken because the irq
284 	 * handler takes this lock, too.
285 	 */
286 	free_irq(chip->irq, chip);
287 
288 	mv88e6xxx_reg_lock(chip);
289 	mv88e6xxx_g1_irq_free_common(chip);
290 	mv88e6xxx_reg_unlock(chip);
291 }
292 
mv88e6xxx_g1_irq_setup_common(struct mv88e6xxx_chip * chip)293 static int mv88e6xxx_g1_irq_setup_common(struct mv88e6xxx_chip *chip)
294 {
295 	int err, irq, virq;
296 	u16 reg, mask;
297 
298 	chip->g1_irq.nirqs = chip->info->g1_irqs;
299 	chip->g1_irq.domain = irq_domain_add_simple(
300 		NULL, chip->g1_irq.nirqs, 0,
301 		&mv88e6xxx_g1_irq_domain_ops, chip);
302 	if (!chip->g1_irq.domain)
303 		return -ENOMEM;
304 
305 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++)
306 		irq_create_mapping(chip->g1_irq.domain, irq);
307 
308 	chip->g1_irq.chip = mv88e6xxx_g1_irq_chip;
309 	chip->g1_irq.masked = ~0;
310 
311 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
312 	if (err)
313 		goto out_mapping;
314 
315 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
316 
317 	err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
318 	if (err)
319 		goto out_disable;
320 
321 	/* Reading the interrupt status clears (most of) them */
322 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
323 	if (err)
324 		goto out_disable;
325 
326 	return 0;
327 
328 out_disable:
329 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
330 	mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
331 
332 out_mapping:
333 	for (irq = 0; irq < 16; irq++) {
334 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
335 		irq_dispose_mapping(virq);
336 	}
337 
338 	irq_domain_remove(chip->g1_irq.domain);
339 
340 	return err;
341 }
342 
mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip * chip)343 static int mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip *chip)
344 {
345 	static struct lock_class_key lock_key;
346 	static struct lock_class_key request_key;
347 	int err;
348 
349 	err = mv88e6xxx_g1_irq_setup_common(chip);
350 	if (err)
351 		return err;
352 
353 	/* These lock classes tells lockdep that global 1 irqs are in
354 	 * a different category than their parent GPIO, so it won't
355 	 * report false recursion.
356 	 */
357 	irq_set_lockdep_class(chip->irq, &lock_key, &request_key);
358 
359 	snprintf(chip->irq_name, sizeof(chip->irq_name),
360 		 "mv88e6xxx-%s", dev_name(chip->dev));
361 
362 	mv88e6xxx_reg_unlock(chip);
363 	err = request_threaded_irq(chip->irq, NULL,
364 				   mv88e6xxx_g1_irq_thread_fn,
365 				   IRQF_ONESHOT | IRQF_SHARED,
366 				   chip->irq_name, chip);
367 	mv88e6xxx_reg_lock(chip);
368 	if (err)
369 		mv88e6xxx_g1_irq_free_common(chip);
370 
371 	return err;
372 }
373 
mv88e6xxx_irq_poll(struct kthread_work * work)374 static void mv88e6xxx_irq_poll(struct kthread_work *work)
375 {
376 	struct mv88e6xxx_chip *chip = container_of(work,
377 						   struct mv88e6xxx_chip,
378 						   irq_poll_work.work);
379 	mv88e6xxx_g1_irq_thread_work(chip);
380 
381 	kthread_queue_delayed_work(chip->kworker, &chip->irq_poll_work,
382 				   msecs_to_jiffies(100));
383 }
384 
mv88e6xxx_irq_poll_setup(struct mv88e6xxx_chip * chip)385 static int mv88e6xxx_irq_poll_setup(struct mv88e6xxx_chip *chip)
386 {
387 	int err;
388 
389 	err = mv88e6xxx_g1_irq_setup_common(chip);
390 	if (err)
391 		return err;
392 
393 	kthread_init_delayed_work(&chip->irq_poll_work,
394 				  mv88e6xxx_irq_poll);
395 
396 	chip->kworker = kthread_create_worker(0, "%s", dev_name(chip->dev));
397 	if (IS_ERR(chip->kworker))
398 		return PTR_ERR(chip->kworker);
399 
400 	kthread_queue_delayed_work(chip->kworker, &chip->irq_poll_work,
401 				   msecs_to_jiffies(100));
402 
403 	return 0;
404 }
405 
mv88e6xxx_irq_poll_free(struct mv88e6xxx_chip * chip)406 static void mv88e6xxx_irq_poll_free(struct mv88e6xxx_chip *chip)
407 {
408 	kthread_cancel_delayed_work_sync(&chip->irq_poll_work);
409 	kthread_destroy_worker(chip->kworker);
410 
411 	mv88e6xxx_reg_lock(chip);
412 	mv88e6xxx_g1_irq_free_common(chip);
413 	mv88e6xxx_reg_unlock(chip);
414 }
415 
mv88e6xxx_port_config_interface(struct mv88e6xxx_chip * chip,int port,phy_interface_t interface)416 static int mv88e6xxx_port_config_interface(struct mv88e6xxx_chip *chip,
417 					   int port, phy_interface_t interface)
418 {
419 	int err;
420 
421 	if (chip->info->ops->port_set_rgmii_delay) {
422 		err = chip->info->ops->port_set_rgmii_delay(chip, port,
423 							    interface);
424 		if (err && err != -EOPNOTSUPP)
425 			return err;
426 	}
427 
428 	if (chip->info->ops->port_set_cmode) {
429 		err = chip->info->ops->port_set_cmode(chip, port,
430 						      interface);
431 		if (err && err != -EOPNOTSUPP)
432 			return err;
433 	}
434 
435 	return 0;
436 }
437 
mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip * chip,int port,int link,int speed,int duplex,int pause,phy_interface_t mode)438 static int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port,
439 				    int link, int speed, int duplex, int pause,
440 				    phy_interface_t mode)
441 {
442 	int err;
443 
444 	if (!chip->info->ops->port_set_link)
445 		return 0;
446 
447 	/* Port's MAC control must not be changed unless the link is down */
448 	err = chip->info->ops->port_set_link(chip, port, LINK_FORCED_DOWN);
449 	if (err)
450 		return err;
451 
452 	if (chip->info->ops->port_set_speed_duplex) {
453 		err = chip->info->ops->port_set_speed_duplex(chip, port,
454 							     speed, duplex);
455 		if (err && err != -EOPNOTSUPP)
456 			goto restore_link;
457 	}
458 
459 	if (chip->info->ops->port_set_pause) {
460 		err = chip->info->ops->port_set_pause(chip, port, pause);
461 		if (err)
462 			goto restore_link;
463 	}
464 
465 	err = mv88e6xxx_port_config_interface(chip, port, mode);
466 restore_link:
467 	if (chip->info->ops->port_set_link(chip, port, link))
468 		dev_err(chip->dev, "p%d: failed to restore MAC's link\n", port);
469 
470 	return err;
471 }
472 
mv88e6xxx_phy_is_internal(struct mv88e6xxx_chip * chip,int port)473 static int mv88e6xxx_phy_is_internal(struct mv88e6xxx_chip *chip, int port)
474 {
475 	return port >= chip->info->internal_phys_offset &&
476 		port < chip->info->num_internal_phys +
477 			chip->info->internal_phys_offset;
478 }
479 
mv88e6xxx_port_ppu_updates(struct mv88e6xxx_chip * chip,int port)480 static int mv88e6xxx_port_ppu_updates(struct mv88e6xxx_chip *chip, int port)
481 {
482 	u16 reg;
483 	int err;
484 
485 	/* The 88e6250 family does not have the PHY detect bit. Instead,
486 	 * report whether the port is internal.
487 	 */
488 	if (chip->info->family == MV88E6XXX_FAMILY_6250)
489 		return mv88e6xxx_phy_is_internal(chip, port);
490 
491 	err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, &reg);
492 	if (err) {
493 		dev_err(chip->dev,
494 			"p%d: %s: failed to read port status\n",
495 			port, __func__);
496 		return err;
497 	}
498 
499 	return !!(reg & MV88E6XXX_PORT_STS_PHY_DETECT);
500 }
501 
502 static const u8 mv88e6185_phy_interface_modes[] = {
503 	[MV88E6185_PORT_STS_CMODE_GMII_FD]	 = PHY_INTERFACE_MODE_GMII,
504 	[MV88E6185_PORT_STS_CMODE_MII_100_FD_PS] = PHY_INTERFACE_MODE_MII,
505 	[MV88E6185_PORT_STS_CMODE_MII_100]	 = PHY_INTERFACE_MODE_MII,
506 	[MV88E6185_PORT_STS_CMODE_MII_10]	 = PHY_INTERFACE_MODE_MII,
507 	[MV88E6185_PORT_STS_CMODE_SERDES]	 = PHY_INTERFACE_MODE_1000BASEX,
508 	[MV88E6185_PORT_STS_CMODE_1000BASE_X]	 = PHY_INTERFACE_MODE_1000BASEX,
509 	[MV88E6185_PORT_STS_CMODE_PHY]		 = PHY_INTERFACE_MODE_SGMII,
510 };
511 
mv88e6095_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)512 static void mv88e6095_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
513 				       struct phylink_config *config)
514 {
515 	u8 cmode = chip->ports[port].cmode;
516 
517 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100;
518 
519 	if (mv88e6xxx_phy_is_internal(chip, port)) {
520 		__set_bit(PHY_INTERFACE_MODE_MII, config->supported_interfaces);
521 	} else {
522 		if (cmode < ARRAY_SIZE(mv88e6185_phy_interface_modes) &&
523 		    mv88e6185_phy_interface_modes[cmode])
524 			__set_bit(mv88e6185_phy_interface_modes[cmode],
525 				  config->supported_interfaces);
526 
527 		config->mac_capabilities |= MAC_1000FD;
528 	}
529 }
530 
mv88e6185_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)531 static void mv88e6185_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
532 				       struct phylink_config *config)
533 {
534 	u8 cmode = chip->ports[port].cmode;
535 
536 	if (cmode < ARRAY_SIZE(mv88e6185_phy_interface_modes) &&
537 	    mv88e6185_phy_interface_modes[cmode])
538 		__set_bit(mv88e6185_phy_interface_modes[cmode],
539 			  config->supported_interfaces);
540 
541 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
542 				   MAC_1000FD;
543 }
544 
545 static const u8 mv88e6xxx_phy_interface_modes[] = {
546 	[MV88E6XXX_PORT_STS_CMODE_MII_PHY]	= PHY_INTERFACE_MODE_REVMII,
547 	[MV88E6XXX_PORT_STS_CMODE_MII]		= PHY_INTERFACE_MODE_MII,
548 	[MV88E6XXX_PORT_STS_CMODE_GMII]		= PHY_INTERFACE_MODE_GMII,
549 	[MV88E6XXX_PORT_STS_CMODE_RMII_PHY]	= PHY_INTERFACE_MODE_REVRMII,
550 	[MV88E6XXX_PORT_STS_CMODE_RMII]		= PHY_INTERFACE_MODE_RMII,
551 	[MV88E6XXX_PORT_STS_CMODE_100BASEX]	= PHY_INTERFACE_MODE_100BASEX,
552 	[MV88E6XXX_PORT_STS_CMODE_1000BASEX]	= PHY_INTERFACE_MODE_1000BASEX,
553 	[MV88E6XXX_PORT_STS_CMODE_SGMII]	= PHY_INTERFACE_MODE_SGMII,
554 	/* higher interface modes are not needed here, since ports supporting
555 	 * them are writable, and so the supported interfaces are filled in the
556 	 * corresponding .phylink_set_interfaces() implementation below
557 	 */
558 };
559 
mv88e6xxx_translate_cmode(u8 cmode,unsigned long * supported)560 static void mv88e6xxx_translate_cmode(u8 cmode, unsigned long *supported)
561 {
562 	if (cmode < ARRAY_SIZE(mv88e6xxx_phy_interface_modes) &&
563 	    mv88e6xxx_phy_interface_modes[cmode])
564 		__set_bit(mv88e6xxx_phy_interface_modes[cmode], supported);
565 	else if (cmode == MV88E6XXX_PORT_STS_CMODE_RGMII)
566 		phy_interface_set_rgmii(supported);
567 }
568 
569 static void
mv88e6250_setup_supported_interfaces(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)570 mv88e6250_setup_supported_interfaces(struct mv88e6xxx_chip *chip, int port,
571 				     struct phylink_config *config)
572 {
573 	unsigned long *supported = config->supported_interfaces;
574 	int err;
575 	u16 reg;
576 
577 	err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, &reg);
578 	if (err) {
579 		dev_err(chip->dev, "p%d: failed to read port status\n", port);
580 		return;
581 	}
582 
583 	switch (reg & MV88E6250_PORT_STS_PORTMODE_MASK) {
584 	case MV88E6250_PORT_STS_PORTMODE_MII_10_HALF_PHY:
585 	case MV88E6250_PORT_STS_PORTMODE_MII_100_HALF_PHY:
586 	case MV88E6250_PORT_STS_PORTMODE_MII_10_FULL_PHY:
587 	case MV88E6250_PORT_STS_PORTMODE_MII_100_FULL_PHY:
588 		__set_bit(PHY_INTERFACE_MODE_REVMII, supported);
589 		break;
590 
591 	case MV88E6250_PORT_STS_PORTMODE_MII_HALF:
592 	case MV88E6250_PORT_STS_PORTMODE_MII_FULL:
593 		__set_bit(PHY_INTERFACE_MODE_MII, supported);
594 		break;
595 
596 	case MV88E6250_PORT_STS_PORTMODE_MII_DUAL_100_RMII_FULL_PHY:
597 	case MV88E6250_PORT_STS_PORTMODE_MII_200_RMII_FULL_PHY:
598 	case MV88E6250_PORT_STS_PORTMODE_MII_10_100_RMII_HALF_PHY:
599 	case MV88E6250_PORT_STS_PORTMODE_MII_10_100_RMII_FULL_PHY:
600 		__set_bit(PHY_INTERFACE_MODE_REVRMII, supported);
601 		break;
602 
603 	case MV88E6250_PORT_STS_PORTMODE_MII_DUAL_100_RMII_FULL:
604 	case MV88E6250_PORT_STS_PORTMODE_MII_10_100_RMII_FULL:
605 		__set_bit(PHY_INTERFACE_MODE_RMII, supported);
606 		break;
607 
608 	case MV88E6250_PORT_STS_PORTMODE_MII_100_RGMII:
609 		__set_bit(PHY_INTERFACE_MODE_RGMII, supported);
610 		break;
611 
612 	default:
613 		dev_err(chip->dev,
614 			"p%d: invalid port mode in status register: %04x\n",
615 			port, reg);
616 	}
617 }
618 
mv88e6250_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)619 static void mv88e6250_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
620 				       struct phylink_config *config)
621 {
622 	if (!mv88e6xxx_phy_is_internal(chip, port))
623 		mv88e6250_setup_supported_interfaces(chip, port, config);
624 
625 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100;
626 }
627 
mv88e6351_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)628 static void mv88e6351_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
629 				       struct phylink_config *config)
630 {
631 	unsigned long *supported = config->supported_interfaces;
632 
633 	/* Translate the default cmode */
634 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
635 
636 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
637 				   MAC_1000FD;
638 }
639 
mv88e6352_get_port4_serdes_cmode(struct mv88e6xxx_chip * chip)640 static int mv88e6352_get_port4_serdes_cmode(struct mv88e6xxx_chip *chip)
641 {
642 	u16 reg, val;
643 	int err;
644 
645 	err = mv88e6xxx_port_read(chip, 4, MV88E6XXX_PORT_STS, &reg);
646 	if (err)
647 		return err;
648 
649 	/* If PHY_DETECT is zero, then we are not in auto-media mode */
650 	if (!(reg & MV88E6XXX_PORT_STS_PHY_DETECT))
651 		return 0xf;
652 
653 	val = reg & ~MV88E6XXX_PORT_STS_PHY_DETECT;
654 	err = mv88e6xxx_port_write(chip, 4, MV88E6XXX_PORT_STS, val);
655 	if (err)
656 		return err;
657 
658 	err = mv88e6xxx_port_read(chip, 4, MV88E6XXX_PORT_STS, &val);
659 	if (err)
660 		return err;
661 
662 	/* Restore PHY_DETECT value */
663 	err = mv88e6xxx_port_write(chip, 4, MV88E6XXX_PORT_STS, reg);
664 	if (err)
665 		return err;
666 
667 	return val & MV88E6XXX_PORT_STS_CMODE_MASK;
668 }
669 
mv88e6352_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)670 static void mv88e6352_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
671 				       struct phylink_config *config)
672 {
673 	unsigned long *supported = config->supported_interfaces;
674 	int err, cmode;
675 
676 	/* Translate the default cmode */
677 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
678 
679 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
680 				   MAC_1000FD;
681 
682 	/* Port 4 supports automedia if the serdes is associated with it. */
683 	if (port == 4) {
684 		err = mv88e6352_g2_scratch_port_has_serdes(chip, port);
685 		if (err < 0)
686 			dev_err(chip->dev, "p%d: failed to read scratch\n",
687 				port);
688 		if (err <= 0)
689 			return;
690 
691 		cmode = mv88e6352_get_port4_serdes_cmode(chip);
692 		if (cmode < 0)
693 			dev_err(chip->dev, "p%d: failed to read serdes cmode\n",
694 				port);
695 		else
696 			mv88e6xxx_translate_cmode(cmode, supported);
697 	}
698 }
699 
mv88e632x_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)700 static void mv88e632x_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
701 				       struct phylink_config *config)
702 {
703 	unsigned long *supported = config->supported_interfaces;
704 
705 	/* Translate the default cmode */
706 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
707 
708 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
709 				   MAC_1000FD;
710 }
711 
mv88e6341_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)712 static void mv88e6341_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
713 				       struct phylink_config *config)
714 {
715 	unsigned long *supported = config->supported_interfaces;
716 
717 	/* Translate the default cmode */
718 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
719 
720 	/* No ethtool bits for 200Mbps */
721 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
722 				   MAC_1000FD;
723 
724 	/* The C_Mode field is programmable on port 5 */
725 	if (port == 5) {
726 		__set_bit(PHY_INTERFACE_MODE_SGMII, supported);
727 		__set_bit(PHY_INTERFACE_MODE_1000BASEX, supported);
728 		__set_bit(PHY_INTERFACE_MODE_2500BASEX, supported);
729 
730 		config->mac_capabilities |= MAC_2500FD;
731 	}
732 }
733 
mv88e6390_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)734 static void mv88e6390_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
735 				       struct phylink_config *config)
736 {
737 	unsigned long *supported = config->supported_interfaces;
738 
739 	/* Translate the default cmode */
740 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
741 
742 	/* No ethtool bits for 200Mbps */
743 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
744 				   MAC_1000FD;
745 
746 	/* The C_Mode field is programmable on ports 9 and 10 */
747 	if (port == 9 || port == 10) {
748 		__set_bit(PHY_INTERFACE_MODE_SGMII, supported);
749 		__set_bit(PHY_INTERFACE_MODE_1000BASEX, supported);
750 		__set_bit(PHY_INTERFACE_MODE_2500BASEX, supported);
751 
752 		config->mac_capabilities |= MAC_2500FD;
753 	}
754 }
755 
mv88e6390x_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)756 static void mv88e6390x_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
757 					struct phylink_config *config)
758 {
759 	unsigned long *supported = config->supported_interfaces;
760 
761 	mv88e6390_phylink_get_caps(chip, port, config);
762 
763 	/* For the 6x90X, ports 2-7 can be in automedia mode.
764 	 * (Note that 6x90 doesn't support RXAUI nor XAUI).
765 	 *
766 	 * Port 2 can also support 1000BASE-X in automedia mode if port 9 is
767 	 * configured for 1000BASE-X, SGMII or 2500BASE-X.
768 	 * Port 3-4 can also support 1000BASE-X in automedia mode if port 9 is
769 	 * configured for RXAUI, 1000BASE-X, SGMII or 2500BASE-X.
770 	 *
771 	 * Port 5 can also support 1000BASE-X in automedia mode if port 10 is
772 	 * configured for 1000BASE-X, SGMII or 2500BASE-X.
773 	 * Port 6-7 can also support 1000BASE-X in automedia mode if port 10 is
774 	 * configured for RXAUI, 1000BASE-X, SGMII or 2500BASE-X.
775 	 *
776 	 * For now, be permissive (as the old code was) and allow 1000BASE-X
777 	 * on ports 2..7.
778 	 */
779 	if (port >= 2 && port <= 7)
780 		__set_bit(PHY_INTERFACE_MODE_1000BASEX, supported);
781 
782 	/* The C_Mode field can also be programmed for 10G speeds */
783 	if (port == 9 || port == 10) {
784 		__set_bit(PHY_INTERFACE_MODE_XAUI, supported);
785 		__set_bit(PHY_INTERFACE_MODE_RXAUI, supported);
786 
787 		config->mac_capabilities |= MAC_10000FD;
788 	}
789 }
790 
mv88e6393x_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)791 static void mv88e6393x_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
792 					struct phylink_config *config)
793 {
794 	unsigned long *supported = config->supported_interfaces;
795 	bool is_6191x =
796 		chip->info->prod_num == MV88E6XXX_PORT_SWITCH_ID_PROD_6191X;
797 	bool is_6361 =
798 		chip->info->prod_num == MV88E6XXX_PORT_SWITCH_ID_PROD_6361;
799 
800 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
801 
802 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
803 				   MAC_1000FD;
804 
805 	/* The C_Mode field can be programmed for ports 0, 9 and 10 */
806 	if (port == 0 || port == 9 || port == 10) {
807 		__set_bit(PHY_INTERFACE_MODE_SGMII, supported);
808 		__set_bit(PHY_INTERFACE_MODE_1000BASEX, supported);
809 
810 		/* 6191X supports >1G modes only on port 10 */
811 		if (!is_6191x || port == 10) {
812 			__set_bit(PHY_INTERFACE_MODE_2500BASEX, supported);
813 			config->mac_capabilities |= MAC_2500FD;
814 
815 			/* 6361 only supports up to 2500BaseX */
816 			if (!is_6361) {
817 				__set_bit(PHY_INTERFACE_MODE_5GBASER, supported);
818 				__set_bit(PHY_INTERFACE_MODE_10GBASER, supported);
819 				__set_bit(PHY_INTERFACE_MODE_USXGMII, supported);
820 				config->mac_capabilities |= MAC_5000FD |
821 					MAC_10000FD;
822 			}
823 		}
824 	}
825 
826 	if (port == 0) {
827 		__set_bit(PHY_INTERFACE_MODE_RMII, supported);
828 		__set_bit(PHY_INTERFACE_MODE_RGMII, supported);
829 		__set_bit(PHY_INTERFACE_MODE_RGMII_ID, supported);
830 		__set_bit(PHY_INTERFACE_MODE_RGMII_RXID, supported);
831 		__set_bit(PHY_INTERFACE_MODE_RGMII_TXID, supported);
832 	}
833 }
834 
mv88e6xxx_get_caps(struct dsa_switch * ds,int port,struct phylink_config * config)835 static void mv88e6xxx_get_caps(struct dsa_switch *ds, int port,
836 			       struct phylink_config *config)
837 {
838 	struct mv88e6xxx_chip *chip = ds->priv;
839 
840 	mv88e6xxx_reg_lock(chip);
841 	chip->info->ops->phylink_get_caps(chip, port, config);
842 	mv88e6xxx_reg_unlock(chip);
843 
844 	if (mv88e6xxx_phy_is_internal(chip, port)) {
845 		__set_bit(PHY_INTERFACE_MODE_INTERNAL,
846 			  config->supported_interfaces);
847 		/* Internal ports with no phy-mode need GMII for PHYLIB */
848 		__set_bit(PHY_INTERFACE_MODE_GMII,
849 			  config->supported_interfaces);
850 	}
851 }
852 
mv88e6xxx_mac_select_pcs(struct dsa_switch * ds,int port,phy_interface_t interface)853 static struct phylink_pcs *mv88e6xxx_mac_select_pcs(struct dsa_switch *ds,
854 						    int port,
855 						    phy_interface_t interface)
856 {
857 	struct mv88e6xxx_chip *chip = ds->priv;
858 	struct phylink_pcs *pcs = ERR_PTR(-EOPNOTSUPP);
859 
860 	if (chip->info->ops->pcs_ops)
861 		pcs = chip->info->ops->pcs_ops->pcs_select(chip, port,
862 							   interface);
863 
864 	return pcs;
865 }
866 
mv88e6xxx_mac_prepare(struct dsa_switch * ds,int port,unsigned int mode,phy_interface_t interface)867 static int mv88e6xxx_mac_prepare(struct dsa_switch *ds, int port,
868 				 unsigned int mode, phy_interface_t interface)
869 {
870 	struct mv88e6xxx_chip *chip = ds->priv;
871 	int err = 0;
872 
873 	/* In inband mode, the link may come up at any time while the link
874 	 * is not forced down. Force the link down while we reconfigure the
875 	 * interface mode.
876 	 */
877 	if (mode == MLO_AN_INBAND &&
878 	    chip->ports[port].interface != interface &&
879 	    chip->info->ops->port_set_link) {
880 		mv88e6xxx_reg_lock(chip);
881 		err = chip->info->ops->port_set_link(chip, port,
882 						     LINK_FORCED_DOWN);
883 		mv88e6xxx_reg_unlock(chip);
884 	}
885 
886 	return err;
887 }
888 
mv88e6xxx_mac_config(struct dsa_switch * ds,int port,unsigned int mode,const struct phylink_link_state * state)889 static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port,
890 				 unsigned int mode,
891 				 const struct phylink_link_state *state)
892 {
893 	struct mv88e6xxx_chip *chip = ds->priv;
894 	int err = 0;
895 
896 	mv88e6xxx_reg_lock(chip);
897 
898 	if (mode != MLO_AN_PHY || !mv88e6xxx_phy_is_internal(chip, port)) {
899 		err = mv88e6xxx_port_config_interface(chip, port,
900 						      state->interface);
901 		if (err && err != -EOPNOTSUPP)
902 			goto err_unlock;
903 	}
904 
905 err_unlock:
906 	mv88e6xxx_reg_unlock(chip);
907 
908 	if (err && err != -EOPNOTSUPP)
909 		dev_err(ds->dev, "p%d: failed to configure MAC/PCS\n", port);
910 }
911 
mv88e6xxx_mac_finish(struct dsa_switch * ds,int port,unsigned int mode,phy_interface_t interface)912 static int mv88e6xxx_mac_finish(struct dsa_switch *ds, int port,
913 				unsigned int mode, phy_interface_t interface)
914 {
915 	struct mv88e6xxx_chip *chip = ds->priv;
916 	int err = 0;
917 
918 	/* Undo the forced down state above after completing configuration
919 	 * irrespective of its state on entry, which allows the link to come
920 	 * up in the in-band case where there is no separate SERDES. Also
921 	 * ensure that the link can come up if the PPU is in use and we are
922 	 * in PHY mode (we treat the PPU as an effective in-band mechanism.)
923 	 */
924 	mv88e6xxx_reg_lock(chip);
925 
926 	if (chip->info->ops->port_set_link &&
927 	    ((mode == MLO_AN_INBAND &&
928 	      chip->ports[port].interface != interface) ||
929 	     (mode == MLO_AN_PHY && mv88e6xxx_port_ppu_updates(chip, port))))
930 		err = chip->info->ops->port_set_link(chip, port, LINK_UNFORCED);
931 
932 	mv88e6xxx_reg_unlock(chip);
933 
934 	chip->ports[port].interface = interface;
935 
936 	return err;
937 }
938 
mv88e6xxx_mac_link_down(struct dsa_switch * ds,int port,unsigned int mode,phy_interface_t interface)939 static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port,
940 				    unsigned int mode,
941 				    phy_interface_t interface)
942 {
943 	struct mv88e6xxx_chip *chip = ds->priv;
944 	const struct mv88e6xxx_ops *ops;
945 	int err = 0;
946 
947 	ops = chip->info->ops;
948 
949 	mv88e6xxx_reg_lock(chip);
950 	/* Force the link down if we know the port may not be automatically
951 	 * updated by the switch or if we are using fixed-link mode.
952 	 */
953 	if ((!mv88e6xxx_port_ppu_updates(chip, port) ||
954 	     mode == MLO_AN_FIXED) && ops->port_sync_link)
955 		err = ops->port_sync_link(chip, port, mode, false);
956 
957 	if (!err && ops->port_set_speed_duplex)
958 		err = ops->port_set_speed_duplex(chip, port, SPEED_UNFORCED,
959 						 DUPLEX_UNFORCED);
960 	mv88e6xxx_reg_unlock(chip);
961 
962 	if (err)
963 		dev_err(chip->dev,
964 			"p%d: failed to force MAC link down\n", port);
965 }
966 
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)967 static void mv88e6xxx_mac_link_up(struct dsa_switch *ds, int port,
968 				  unsigned int mode, phy_interface_t interface,
969 				  struct phy_device *phydev,
970 				  int speed, int duplex,
971 				  bool tx_pause, bool rx_pause)
972 {
973 	struct mv88e6xxx_chip *chip = ds->priv;
974 	const struct mv88e6xxx_ops *ops;
975 	int err = 0;
976 
977 	ops = chip->info->ops;
978 
979 	mv88e6xxx_reg_lock(chip);
980 	/* Configure and force the link up if we know that the port may not
981 	 * automatically updated by the switch or if we are using fixed-link
982 	 * mode.
983 	 */
984 	if (!mv88e6xxx_port_ppu_updates(chip, port) ||
985 	    mode == MLO_AN_FIXED) {
986 		if (ops->port_set_speed_duplex) {
987 			err = ops->port_set_speed_duplex(chip, port,
988 							 speed, duplex);
989 			if (err && err != -EOPNOTSUPP)
990 				goto error;
991 		}
992 
993 		if (ops->port_sync_link)
994 			err = ops->port_sync_link(chip, port, mode, true);
995 	}
996 error:
997 	mv88e6xxx_reg_unlock(chip);
998 
999 	if (err && err != -EOPNOTSUPP)
1000 		dev_err(ds->dev,
1001 			"p%d: failed to configure MAC link up\n", port);
1002 }
1003 
mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip * chip,int port)1004 static int mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip *chip, int port)
1005 {
1006 	if (!chip->info->ops->stats_snapshot)
1007 		return -EOPNOTSUPP;
1008 
1009 	return chip->info->ops->stats_snapshot(chip, port);
1010 }
1011 
1012 static struct mv88e6xxx_hw_stat mv88e6xxx_hw_stats[] = {
1013 	{ "in_good_octets",		8, 0x00, STATS_TYPE_BANK0, },
1014 	{ "in_bad_octets",		4, 0x02, STATS_TYPE_BANK0, },
1015 	{ "in_unicast",			4, 0x04, STATS_TYPE_BANK0, },
1016 	{ "in_broadcasts",		4, 0x06, STATS_TYPE_BANK0, },
1017 	{ "in_multicasts",		4, 0x07, STATS_TYPE_BANK0, },
1018 	{ "in_pause",			4, 0x16, STATS_TYPE_BANK0, },
1019 	{ "in_undersize",		4, 0x18, STATS_TYPE_BANK0, },
1020 	{ "in_fragments",		4, 0x19, STATS_TYPE_BANK0, },
1021 	{ "in_oversize",		4, 0x1a, STATS_TYPE_BANK0, },
1022 	{ "in_jabber",			4, 0x1b, STATS_TYPE_BANK0, },
1023 	{ "in_rx_error",		4, 0x1c, STATS_TYPE_BANK0, },
1024 	{ "in_fcs_error",		4, 0x1d, STATS_TYPE_BANK0, },
1025 	{ "out_octets",			8, 0x0e, STATS_TYPE_BANK0, },
1026 	{ "out_unicast",		4, 0x10, STATS_TYPE_BANK0, },
1027 	{ "out_broadcasts",		4, 0x13, STATS_TYPE_BANK0, },
1028 	{ "out_multicasts",		4, 0x12, STATS_TYPE_BANK0, },
1029 	{ "out_pause",			4, 0x15, STATS_TYPE_BANK0, },
1030 	{ "excessive",			4, 0x11, STATS_TYPE_BANK0, },
1031 	{ "collisions",			4, 0x1e, STATS_TYPE_BANK0, },
1032 	{ "deferred",			4, 0x05, STATS_TYPE_BANK0, },
1033 	{ "single",			4, 0x14, STATS_TYPE_BANK0, },
1034 	{ "multiple",			4, 0x17, STATS_TYPE_BANK0, },
1035 	{ "out_fcs_error",		4, 0x03, STATS_TYPE_BANK0, },
1036 	{ "late",			4, 0x1f, STATS_TYPE_BANK0, },
1037 	{ "hist_64bytes",		4, 0x08, STATS_TYPE_BANK0, },
1038 	{ "hist_65_127bytes",		4, 0x09, STATS_TYPE_BANK0, },
1039 	{ "hist_128_255bytes",		4, 0x0a, STATS_TYPE_BANK0, },
1040 	{ "hist_256_511bytes",		4, 0x0b, STATS_TYPE_BANK0, },
1041 	{ "hist_512_1023bytes",		4, 0x0c, STATS_TYPE_BANK0, },
1042 	{ "hist_1024_max_bytes",	4, 0x0d, STATS_TYPE_BANK0, },
1043 	{ "sw_in_discards",		4, 0x10, STATS_TYPE_PORT, },
1044 	{ "sw_in_filtered",		2, 0x12, STATS_TYPE_PORT, },
1045 	{ "sw_out_filtered",		2, 0x13, STATS_TYPE_PORT, },
1046 	{ "in_discards",		4, 0x00, STATS_TYPE_BANK1, },
1047 	{ "in_filtered",		4, 0x01, STATS_TYPE_BANK1, },
1048 	{ "in_accepted",		4, 0x02, STATS_TYPE_BANK1, },
1049 	{ "in_bad_accepted",		4, 0x03, STATS_TYPE_BANK1, },
1050 	{ "in_good_avb_class_a",	4, 0x04, STATS_TYPE_BANK1, },
1051 	{ "in_good_avb_class_b",	4, 0x05, STATS_TYPE_BANK1, },
1052 	{ "in_bad_avb_class_a",		4, 0x06, STATS_TYPE_BANK1, },
1053 	{ "in_bad_avb_class_b",		4, 0x07, STATS_TYPE_BANK1, },
1054 	{ "tcam_counter_0",		4, 0x08, STATS_TYPE_BANK1, },
1055 	{ "tcam_counter_1",		4, 0x09, STATS_TYPE_BANK1, },
1056 	{ "tcam_counter_2",		4, 0x0a, STATS_TYPE_BANK1, },
1057 	{ "tcam_counter_3",		4, 0x0b, STATS_TYPE_BANK1, },
1058 	{ "in_da_unknown",		4, 0x0e, STATS_TYPE_BANK1, },
1059 	{ "in_management",		4, 0x0f, STATS_TYPE_BANK1, },
1060 	{ "out_queue_0",		4, 0x10, STATS_TYPE_BANK1, },
1061 	{ "out_queue_1",		4, 0x11, STATS_TYPE_BANK1, },
1062 	{ "out_queue_2",		4, 0x12, STATS_TYPE_BANK1, },
1063 	{ "out_queue_3",		4, 0x13, STATS_TYPE_BANK1, },
1064 	{ "out_queue_4",		4, 0x14, STATS_TYPE_BANK1, },
1065 	{ "out_queue_5",		4, 0x15, STATS_TYPE_BANK1, },
1066 	{ "out_queue_6",		4, 0x16, STATS_TYPE_BANK1, },
1067 	{ "out_queue_7",		4, 0x17, STATS_TYPE_BANK1, },
1068 	{ "out_cut_through",		4, 0x18, STATS_TYPE_BANK1, },
1069 	{ "out_octets_a",		4, 0x1a, STATS_TYPE_BANK1, },
1070 	{ "out_octets_b",		4, 0x1b, STATS_TYPE_BANK1, },
1071 	{ "out_management",		4, 0x1f, STATS_TYPE_BANK1, },
1072 };
1073 
_mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip * chip,struct mv88e6xxx_hw_stat * s,int port,u16 bank1_select,u16 histogram)1074 static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip,
1075 					    struct mv88e6xxx_hw_stat *s,
1076 					    int port, u16 bank1_select,
1077 					    u16 histogram)
1078 {
1079 	u32 low;
1080 	u32 high = 0;
1081 	u16 reg = 0;
1082 	int err;
1083 	u64 value;
1084 
1085 	switch (s->type) {
1086 	case STATS_TYPE_PORT:
1087 		err = mv88e6xxx_port_read(chip, port, s->reg, &reg);
1088 		if (err)
1089 			return U64_MAX;
1090 
1091 		low = reg;
1092 		if (s->size == 4) {
1093 			err = mv88e6xxx_port_read(chip, port, s->reg + 1, &reg);
1094 			if (err)
1095 				return U64_MAX;
1096 			low |= ((u32)reg) << 16;
1097 		}
1098 		break;
1099 	case STATS_TYPE_BANK1:
1100 		reg = bank1_select;
1101 		fallthrough;
1102 	case STATS_TYPE_BANK0:
1103 		reg |= s->reg | histogram;
1104 		mv88e6xxx_g1_stats_read(chip, reg, &low);
1105 		if (s->size == 8)
1106 			mv88e6xxx_g1_stats_read(chip, reg + 1, &high);
1107 		break;
1108 	default:
1109 		return U64_MAX;
1110 	}
1111 	value = (((u64)high) << 32) | low;
1112 	return value;
1113 }
1114 
mv88e6xxx_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data,int types)1115 static int mv88e6xxx_stats_get_strings(struct mv88e6xxx_chip *chip,
1116 				       uint8_t *data, int types)
1117 {
1118 	struct mv88e6xxx_hw_stat *stat;
1119 	int i, j;
1120 
1121 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
1122 		stat = &mv88e6xxx_hw_stats[i];
1123 		if (stat->type & types) {
1124 			memcpy(data + j * ETH_GSTRING_LEN, stat->string,
1125 			       ETH_GSTRING_LEN);
1126 			j++;
1127 		}
1128 	}
1129 
1130 	return j;
1131 }
1132 
mv88e6095_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data)1133 static int mv88e6095_stats_get_strings(struct mv88e6xxx_chip *chip,
1134 				       uint8_t *data)
1135 {
1136 	return mv88e6xxx_stats_get_strings(chip, data,
1137 					   STATS_TYPE_BANK0 | STATS_TYPE_PORT);
1138 }
1139 
mv88e6250_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data)1140 static int mv88e6250_stats_get_strings(struct mv88e6xxx_chip *chip,
1141 				       uint8_t *data)
1142 {
1143 	return mv88e6xxx_stats_get_strings(chip, data, STATS_TYPE_BANK0);
1144 }
1145 
mv88e6320_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data)1146 static int mv88e6320_stats_get_strings(struct mv88e6xxx_chip *chip,
1147 				       uint8_t *data)
1148 {
1149 	return mv88e6xxx_stats_get_strings(chip, data,
1150 					   STATS_TYPE_BANK0 | STATS_TYPE_BANK1);
1151 }
1152 
1153 static const uint8_t *mv88e6xxx_atu_vtu_stats_strings[] = {
1154 	"atu_member_violation",
1155 	"atu_miss_violation",
1156 	"atu_full_violation",
1157 	"vtu_member_violation",
1158 	"vtu_miss_violation",
1159 };
1160 
mv88e6xxx_atu_vtu_get_strings(uint8_t * data)1161 static void mv88e6xxx_atu_vtu_get_strings(uint8_t *data)
1162 {
1163 	unsigned int i;
1164 
1165 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings); i++)
1166 		strscpy(data + i * ETH_GSTRING_LEN,
1167 			mv88e6xxx_atu_vtu_stats_strings[i],
1168 			ETH_GSTRING_LEN);
1169 }
1170 
mv88e6xxx_get_strings(struct dsa_switch * ds,int port,u32 stringset,uint8_t * data)1171 static void mv88e6xxx_get_strings(struct dsa_switch *ds, int port,
1172 				  u32 stringset, uint8_t *data)
1173 {
1174 	struct mv88e6xxx_chip *chip = ds->priv;
1175 	int count = 0;
1176 
1177 	if (stringset != ETH_SS_STATS)
1178 		return;
1179 
1180 	mv88e6xxx_reg_lock(chip);
1181 
1182 	if (chip->info->ops->stats_get_strings)
1183 		count = chip->info->ops->stats_get_strings(chip, data);
1184 
1185 	if (chip->info->ops->serdes_get_strings) {
1186 		data += count * ETH_GSTRING_LEN;
1187 		count = chip->info->ops->serdes_get_strings(chip, port, data);
1188 	}
1189 
1190 	data += count * ETH_GSTRING_LEN;
1191 	mv88e6xxx_atu_vtu_get_strings(data);
1192 
1193 	mv88e6xxx_reg_unlock(chip);
1194 }
1195 
mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip * chip,int types)1196 static int mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip *chip,
1197 					  int types)
1198 {
1199 	struct mv88e6xxx_hw_stat *stat;
1200 	int i, j;
1201 
1202 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
1203 		stat = &mv88e6xxx_hw_stats[i];
1204 		if (stat->type & types)
1205 			j++;
1206 	}
1207 	return j;
1208 }
1209 
mv88e6095_stats_get_sset_count(struct mv88e6xxx_chip * chip)1210 static int mv88e6095_stats_get_sset_count(struct mv88e6xxx_chip *chip)
1211 {
1212 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
1213 					      STATS_TYPE_PORT);
1214 }
1215 
mv88e6250_stats_get_sset_count(struct mv88e6xxx_chip * chip)1216 static int mv88e6250_stats_get_sset_count(struct mv88e6xxx_chip *chip)
1217 {
1218 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0);
1219 }
1220 
mv88e6320_stats_get_sset_count(struct mv88e6xxx_chip * chip)1221 static int mv88e6320_stats_get_sset_count(struct mv88e6xxx_chip *chip)
1222 {
1223 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
1224 					      STATS_TYPE_BANK1);
1225 }
1226 
mv88e6xxx_get_sset_count(struct dsa_switch * ds,int port,int sset)1227 static int mv88e6xxx_get_sset_count(struct dsa_switch *ds, int port, int sset)
1228 {
1229 	struct mv88e6xxx_chip *chip = ds->priv;
1230 	int serdes_count = 0;
1231 	int count = 0;
1232 
1233 	if (sset != ETH_SS_STATS)
1234 		return 0;
1235 
1236 	mv88e6xxx_reg_lock(chip);
1237 	if (chip->info->ops->stats_get_sset_count)
1238 		count = chip->info->ops->stats_get_sset_count(chip);
1239 	if (count < 0)
1240 		goto out;
1241 
1242 	if (chip->info->ops->serdes_get_sset_count)
1243 		serdes_count = chip->info->ops->serdes_get_sset_count(chip,
1244 								      port);
1245 	if (serdes_count < 0) {
1246 		count = serdes_count;
1247 		goto out;
1248 	}
1249 	count += serdes_count;
1250 	count += ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings);
1251 
1252 out:
1253 	mv88e6xxx_reg_unlock(chip);
1254 
1255 	return count;
1256 }
1257 
mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data,int types,u16 bank1_select,u16 histogram)1258 static int mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1259 				     uint64_t *data, int types,
1260 				     u16 bank1_select, u16 histogram)
1261 {
1262 	struct mv88e6xxx_hw_stat *stat;
1263 	int i, j;
1264 
1265 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
1266 		stat = &mv88e6xxx_hw_stats[i];
1267 		if (stat->type & types) {
1268 			mv88e6xxx_reg_lock(chip);
1269 			data[j] = _mv88e6xxx_get_ethtool_stat(chip, stat, port,
1270 							      bank1_select,
1271 							      histogram);
1272 			mv88e6xxx_reg_unlock(chip);
1273 
1274 			j++;
1275 		}
1276 	}
1277 	return j;
1278 }
1279 
mv88e6095_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1280 static int mv88e6095_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1281 				     uint64_t *data)
1282 {
1283 	return mv88e6xxx_stats_get_stats(chip, port, data,
1284 					 STATS_TYPE_BANK0 | STATS_TYPE_PORT,
1285 					 0, MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
1286 }
1287 
mv88e6250_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1288 static int mv88e6250_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1289 				     uint64_t *data)
1290 {
1291 	return mv88e6xxx_stats_get_stats(chip, port, data, STATS_TYPE_BANK0,
1292 					 0, MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
1293 }
1294 
mv88e6320_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1295 static int mv88e6320_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1296 				     uint64_t *data)
1297 {
1298 	return mv88e6xxx_stats_get_stats(chip, port, data,
1299 					 STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
1300 					 MV88E6XXX_G1_STATS_OP_BANK_1_BIT_9,
1301 					 MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
1302 }
1303 
mv88e6390_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1304 static int mv88e6390_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1305 				     uint64_t *data)
1306 {
1307 	return mv88e6xxx_stats_get_stats(chip, port, data,
1308 					 STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
1309 					 MV88E6XXX_G1_STATS_OP_BANK_1_BIT_10,
1310 					 0);
1311 }
1312 
mv88e6xxx_atu_vtu_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1313 static void mv88e6xxx_atu_vtu_get_stats(struct mv88e6xxx_chip *chip, int port,
1314 					uint64_t *data)
1315 {
1316 	*data++ = chip->ports[port].atu_member_violation;
1317 	*data++ = chip->ports[port].atu_miss_violation;
1318 	*data++ = chip->ports[port].atu_full_violation;
1319 	*data++ = chip->ports[port].vtu_member_violation;
1320 	*data++ = chip->ports[port].vtu_miss_violation;
1321 }
1322 
mv88e6xxx_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1323 static void mv88e6xxx_get_stats(struct mv88e6xxx_chip *chip, int port,
1324 				uint64_t *data)
1325 {
1326 	int count = 0;
1327 
1328 	if (chip->info->ops->stats_get_stats)
1329 		count = chip->info->ops->stats_get_stats(chip, port, data);
1330 
1331 	mv88e6xxx_reg_lock(chip);
1332 	if (chip->info->ops->serdes_get_stats) {
1333 		data += count;
1334 		count = chip->info->ops->serdes_get_stats(chip, port, data);
1335 	}
1336 	data += count;
1337 	mv88e6xxx_atu_vtu_get_stats(chip, port, data);
1338 	mv88e6xxx_reg_unlock(chip);
1339 }
1340 
mv88e6xxx_get_ethtool_stats(struct dsa_switch * ds,int port,uint64_t * data)1341 static void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds, int port,
1342 					uint64_t *data)
1343 {
1344 	struct mv88e6xxx_chip *chip = ds->priv;
1345 	int ret;
1346 
1347 	mv88e6xxx_reg_lock(chip);
1348 
1349 	ret = mv88e6xxx_stats_snapshot(chip, port);
1350 	mv88e6xxx_reg_unlock(chip);
1351 
1352 	if (ret < 0)
1353 		return;
1354 
1355 	mv88e6xxx_get_stats(chip, port, data);
1356 
1357 }
1358 
mv88e6xxx_get_regs_len(struct dsa_switch * ds,int port)1359 static int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port)
1360 {
1361 	struct mv88e6xxx_chip *chip = ds->priv;
1362 	int len;
1363 
1364 	len = 32 * sizeof(u16);
1365 	if (chip->info->ops->serdes_get_regs_len)
1366 		len += chip->info->ops->serdes_get_regs_len(chip, port);
1367 
1368 	return len;
1369 }
1370 
mv88e6xxx_get_regs(struct dsa_switch * ds,int port,struct ethtool_regs * regs,void * _p)1371 static void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,
1372 			       struct ethtool_regs *regs, void *_p)
1373 {
1374 	struct mv88e6xxx_chip *chip = ds->priv;
1375 	int err;
1376 	u16 reg;
1377 	u16 *p = _p;
1378 	int i;
1379 
1380 	regs->version = chip->info->prod_num;
1381 
1382 	memset(p, 0xff, 32 * sizeof(u16));
1383 
1384 	mv88e6xxx_reg_lock(chip);
1385 
1386 	for (i = 0; i < 32; i++) {
1387 
1388 		err = mv88e6xxx_port_read(chip, port, i, &reg);
1389 		if (!err)
1390 			p[i] = reg;
1391 	}
1392 
1393 	if (chip->info->ops->serdes_get_regs)
1394 		chip->info->ops->serdes_get_regs(chip, port, &p[i]);
1395 
1396 	mv88e6xxx_reg_unlock(chip);
1397 }
1398 
mv88e6xxx_get_mac_eee(struct dsa_switch * ds,int port,struct ethtool_eee * e)1399 static int mv88e6xxx_get_mac_eee(struct dsa_switch *ds, int port,
1400 				 struct ethtool_eee *e)
1401 {
1402 	/* Nothing to do on the port's MAC */
1403 	return 0;
1404 }
1405 
mv88e6xxx_set_mac_eee(struct dsa_switch * ds,int port,struct ethtool_eee * e)1406 static int mv88e6xxx_set_mac_eee(struct dsa_switch *ds, int port,
1407 				 struct ethtool_eee *e)
1408 {
1409 	/* Nothing to do on the port's MAC */
1410 	return 0;
1411 }
1412 
1413 /* 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)1414 static u16 mv88e6xxx_port_vlan(struct mv88e6xxx_chip *chip, int dev, int port)
1415 {
1416 	struct dsa_switch *ds = chip->ds;
1417 	struct dsa_switch_tree *dst = ds->dst;
1418 	struct dsa_port *dp, *other_dp;
1419 	bool found = false;
1420 	u16 pvlan;
1421 
1422 	/* dev is a physical switch */
1423 	if (dev <= dst->last_switch) {
1424 		list_for_each_entry(dp, &dst->ports, list) {
1425 			if (dp->ds->index == dev && dp->index == port) {
1426 				/* dp might be a DSA link or a user port, so it
1427 				 * might or might not have a bridge.
1428 				 * Use the "found" variable for both cases.
1429 				 */
1430 				found = true;
1431 				break;
1432 			}
1433 		}
1434 	/* dev is a virtual bridge */
1435 	} else {
1436 		list_for_each_entry(dp, &dst->ports, list) {
1437 			unsigned int bridge_num = dsa_port_bridge_num_get(dp);
1438 
1439 			if (!bridge_num)
1440 				continue;
1441 
1442 			if (bridge_num + dst->last_switch != dev)
1443 				continue;
1444 
1445 			found = true;
1446 			break;
1447 		}
1448 	}
1449 
1450 	/* Prevent frames from unknown switch or virtual bridge */
1451 	if (!found)
1452 		return 0;
1453 
1454 	/* Frames from DSA links and CPU ports can egress any local port */
1455 	if (dp->type == DSA_PORT_TYPE_CPU || dp->type == DSA_PORT_TYPE_DSA)
1456 		return mv88e6xxx_port_mask(chip);
1457 
1458 	pvlan = 0;
1459 
1460 	/* Frames from standalone user ports can only egress on the
1461 	 * upstream port.
1462 	 */
1463 	if (!dsa_port_bridge_dev_get(dp))
1464 		return BIT(dsa_switch_upstream_port(ds));
1465 
1466 	/* Frames from bridged user ports can egress any local DSA
1467 	 * links and CPU ports, as well as any local member of their
1468 	 * bridge group.
1469 	 */
1470 	dsa_switch_for_each_port(other_dp, ds)
1471 		if (other_dp->type == DSA_PORT_TYPE_CPU ||
1472 		    other_dp->type == DSA_PORT_TYPE_DSA ||
1473 		    dsa_port_bridge_same(dp, other_dp))
1474 			pvlan |= BIT(other_dp->index);
1475 
1476 	return pvlan;
1477 }
1478 
mv88e6xxx_port_vlan_map(struct mv88e6xxx_chip * chip,int port)1479 static int mv88e6xxx_port_vlan_map(struct mv88e6xxx_chip *chip, int port)
1480 {
1481 	u16 output_ports = mv88e6xxx_port_vlan(chip, chip->ds->index, port);
1482 
1483 	/* prevent frames from going back out of the port they came in on */
1484 	output_ports &= ~BIT(port);
1485 
1486 	return mv88e6xxx_port_set_vlan_map(chip, port, output_ports);
1487 }
1488 
mv88e6xxx_port_stp_state_set(struct dsa_switch * ds,int port,u8 state)1489 static void mv88e6xxx_port_stp_state_set(struct dsa_switch *ds, int port,
1490 					 u8 state)
1491 {
1492 	struct mv88e6xxx_chip *chip = ds->priv;
1493 	int err;
1494 
1495 	mv88e6xxx_reg_lock(chip);
1496 	err = mv88e6xxx_port_set_state(chip, port, state);
1497 	mv88e6xxx_reg_unlock(chip);
1498 
1499 	if (err)
1500 		dev_err(ds->dev, "p%d: failed to update state\n", port);
1501 }
1502 
mv88e6xxx_pri_setup(struct mv88e6xxx_chip * chip)1503 static int mv88e6xxx_pri_setup(struct mv88e6xxx_chip *chip)
1504 {
1505 	int err;
1506 
1507 	if (chip->info->ops->ieee_pri_map) {
1508 		err = chip->info->ops->ieee_pri_map(chip);
1509 		if (err)
1510 			return err;
1511 	}
1512 
1513 	if (chip->info->ops->ip_pri_map) {
1514 		err = chip->info->ops->ip_pri_map(chip);
1515 		if (err)
1516 			return err;
1517 	}
1518 
1519 	return 0;
1520 }
1521 
mv88e6xxx_devmap_setup(struct mv88e6xxx_chip * chip)1522 static int mv88e6xxx_devmap_setup(struct mv88e6xxx_chip *chip)
1523 {
1524 	struct dsa_switch *ds = chip->ds;
1525 	int target, port;
1526 	int err;
1527 
1528 	if (!chip->info->global2_addr)
1529 		return 0;
1530 
1531 	/* Initialize the routing port to the 32 possible target devices */
1532 	for (target = 0; target < 32; target++) {
1533 		port = dsa_routing_port(ds, target);
1534 		if (port == ds->num_ports)
1535 			port = 0x1f;
1536 
1537 		err = mv88e6xxx_g2_device_mapping_write(chip, target, port);
1538 		if (err)
1539 			return err;
1540 	}
1541 
1542 	if (chip->info->ops->set_cascade_port) {
1543 		port = MV88E6XXX_CASCADE_PORT_MULTIPLE;
1544 		err = chip->info->ops->set_cascade_port(chip, port);
1545 		if (err)
1546 			return err;
1547 	}
1548 
1549 	err = mv88e6xxx_g1_set_device_number(chip, chip->ds->index);
1550 	if (err)
1551 		return err;
1552 
1553 	return 0;
1554 }
1555 
mv88e6xxx_trunk_setup(struct mv88e6xxx_chip * chip)1556 static int mv88e6xxx_trunk_setup(struct mv88e6xxx_chip *chip)
1557 {
1558 	/* Clear all trunk masks and mapping */
1559 	if (chip->info->global2_addr)
1560 		return mv88e6xxx_g2_trunk_clear(chip);
1561 
1562 	return 0;
1563 }
1564 
mv88e6xxx_rmu_setup(struct mv88e6xxx_chip * chip)1565 static int mv88e6xxx_rmu_setup(struct mv88e6xxx_chip *chip)
1566 {
1567 	if (chip->info->ops->rmu_disable)
1568 		return chip->info->ops->rmu_disable(chip);
1569 
1570 	return 0;
1571 }
1572 
mv88e6xxx_pot_setup(struct mv88e6xxx_chip * chip)1573 static int mv88e6xxx_pot_setup(struct mv88e6xxx_chip *chip)
1574 {
1575 	if (chip->info->ops->pot_clear)
1576 		return chip->info->ops->pot_clear(chip);
1577 
1578 	return 0;
1579 }
1580 
mv88e6xxx_rsvd2cpu_setup(struct mv88e6xxx_chip * chip)1581 static int mv88e6xxx_rsvd2cpu_setup(struct mv88e6xxx_chip *chip)
1582 {
1583 	if (chip->info->ops->mgmt_rsvd2cpu)
1584 		return chip->info->ops->mgmt_rsvd2cpu(chip);
1585 
1586 	return 0;
1587 }
1588 
mv88e6xxx_atu_setup(struct mv88e6xxx_chip * chip)1589 static int mv88e6xxx_atu_setup(struct mv88e6xxx_chip *chip)
1590 {
1591 	int err;
1592 
1593 	err = mv88e6xxx_g1_atu_flush(chip, 0, true);
1594 	if (err)
1595 		return err;
1596 
1597 	/* The chips that have a "learn2all" bit in Global1, ATU
1598 	 * Control are precisely those whose port registers have a
1599 	 * Message Port bit in Port Control 1 and hence implement
1600 	 * ->port_setup_message_port.
1601 	 */
1602 	if (chip->info->ops->port_setup_message_port) {
1603 		err = mv88e6xxx_g1_atu_set_learn2all(chip, true);
1604 		if (err)
1605 			return err;
1606 	}
1607 
1608 	return mv88e6xxx_g1_atu_set_age_time(chip, 300000);
1609 }
1610 
mv88e6xxx_irl_setup(struct mv88e6xxx_chip * chip)1611 static int mv88e6xxx_irl_setup(struct mv88e6xxx_chip *chip)
1612 {
1613 	int port;
1614 	int err;
1615 
1616 	if (!chip->info->ops->irl_init_all)
1617 		return 0;
1618 
1619 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
1620 		/* Disable ingress rate limiting by resetting all per port
1621 		 * ingress rate limit resources to their initial state.
1622 		 */
1623 		err = chip->info->ops->irl_init_all(chip, port);
1624 		if (err)
1625 			return err;
1626 	}
1627 
1628 	return 0;
1629 }
1630 
mv88e6xxx_mac_setup(struct mv88e6xxx_chip * chip)1631 static int mv88e6xxx_mac_setup(struct mv88e6xxx_chip *chip)
1632 {
1633 	if (chip->info->ops->set_switch_mac) {
1634 		u8 addr[ETH_ALEN];
1635 
1636 		eth_random_addr(addr);
1637 
1638 		return chip->info->ops->set_switch_mac(chip, addr);
1639 	}
1640 
1641 	return 0;
1642 }
1643 
mv88e6xxx_pvt_map(struct mv88e6xxx_chip * chip,int dev,int port)1644 static int mv88e6xxx_pvt_map(struct mv88e6xxx_chip *chip, int dev, int port)
1645 {
1646 	struct dsa_switch_tree *dst = chip->ds->dst;
1647 	struct dsa_switch *ds;
1648 	struct dsa_port *dp;
1649 	u16 pvlan = 0;
1650 
1651 	if (!mv88e6xxx_has_pvt(chip))
1652 		return 0;
1653 
1654 	/* Skip the local source device, which uses in-chip port VLAN */
1655 	if (dev != chip->ds->index) {
1656 		pvlan = mv88e6xxx_port_vlan(chip, dev, port);
1657 
1658 		ds = dsa_switch_find(dst->index, dev);
1659 		dp = ds ? dsa_to_port(ds, port) : NULL;
1660 		if (dp && dp->lag) {
1661 			/* As the PVT is used to limit flooding of
1662 			 * FORWARD frames, which use the LAG ID as the
1663 			 * source port, we must translate dev/port to
1664 			 * the special "LAG device" in the PVT, using
1665 			 * the LAG ID (one-based) as the port number
1666 			 * (zero-based).
1667 			 */
1668 			dev = MV88E6XXX_G2_PVT_ADDR_DEV_TRUNK;
1669 			port = dsa_port_lag_id_get(dp) - 1;
1670 		}
1671 	}
1672 
1673 	return mv88e6xxx_g2_pvt_write(chip, dev, port, pvlan);
1674 }
1675 
mv88e6xxx_pvt_setup(struct mv88e6xxx_chip * chip)1676 static int mv88e6xxx_pvt_setup(struct mv88e6xxx_chip *chip)
1677 {
1678 	int dev, port;
1679 	int err;
1680 
1681 	if (!mv88e6xxx_has_pvt(chip))
1682 		return 0;
1683 
1684 	/* Clear 5 Bit Port for usage with Marvell Link Street devices:
1685 	 * use 4 bits for the Src_Port/Src_Trunk and 5 bits for the Src_Dev.
1686 	 */
1687 	err = mv88e6xxx_g2_misc_4_bit_port(chip);
1688 	if (err)
1689 		return err;
1690 
1691 	for (dev = 0; dev < MV88E6XXX_MAX_PVT_SWITCHES; ++dev) {
1692 		for (port = 0; port < MV88E6XXX_MAX_PVT_PORTS; ++port) {
1693 			err = mv88e6xxx_pvt_map(chip, dev, port);
1694 			if (err)
1695 				return err;
1696 		}
1697 	}
1698 
1699 	return 0;
1700 }
1701 
mv88e6xxx_port_fast_age_fid(struct mv88e6xxx_chip * chip,int port,u16 fid)1702 static int mv88e6xxx_port_fast_age_fid(struct mv88e6xxx_chip *chip, int port,
1703 				       u16 fid)
1704 {
1705 	if (dsa_to_port(chip->ds, port)->lag)
1706 		/* Hardware is incapable of fast-aging a LAG through a
1707 		 * regular ATU move operation. Until we have something
1708 		 * more fancy in place this is a no-op.
1709 		 */
1710 		return -EOPNOTSUPP;
1711 
1712 	return mv88e6xxx_g1_atu_remove(chip, fid, port, false);
1713 }
1714 
mv88e6xxx_port_fast_age(struct dsa_switch * ds,int port)1715 static void mv88e6xxx_port_fast_age(struct dsa_switch *ds, int port)
1716 {
1717 	struct mv88e6xxx_chip *chip = ds->priv;
1718 	int err;
1719 
1720 	mv88e6xxx_reg_lock(chip);
1721 	err = mv88e6xxx_port_fast_age_fid(chip, port, 0);
1722 	mv88e6xxx_reg_unlock(chip);
1723 
1724 	if (err)
1725 		dev_err(chip->ds->dev, "p%d: failed to flush ATU: %d\n",
1726 			port, err);
1727 }
1728 
mv88e6xxx_vtu_setup(struct mv88e6xxx_chip * chip)1729 static int mv88e6xxx_vtu_setup(struct mv88e6xxx_chip *chip)
1730 {
1731 	if (!mv88e6xxx_max_vid(chip))
1732 		return 0;
1733 
1734 	return mv88e6xxx_g1_vtu_flush(chip);
1735 }
1736 
mv88e6xxx_vtu_get(struct mv88e6xxx_chip * chip,u16 vid,struct mv88e6xxx_vtu_entry * entry)1737 static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
1738 			     struct mv88e6xxx_vtu_entry *entry)
1739 {
1740 	int err;
1741 
1742 	if (!chip->info->ops->vtu_getnext)
1743 		return -EOPNOTSUPP;
1744 
1745 	entry->vid = vid ? vid - 1 : mv88e6xxx_max_vid(chip);
1746 	entry->valid = false;
1747 
1748 	err = chip->info->ops->vtu_getnext(chip, entry);
1749 
1750 	if (entry->vid != vid)
1751 		entry->valid = false;
1752 
1753 	return err;
1754 }
1755 
mv88e6xxx_vtu_walk(struct mv88e6xxx_chip * chip,int (* cb)(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * entry,void * priv),void * priv)1756 int mv88e6xxx_vtu_walk(struct mv88e6xxx_chip *chip,
1757 		       int (*cb)(struct mv88e6xxx_chip *chip,
1758 				 const struct mv88e6xxx_vtu_entry *entry,
1759 				 void *priv),
1760 		       void *priv)
1761 {
1762 	struct mv88e6xxx_vtu_entry entry = {
1763 		.vid = mv88e6xxx_max_vid(chip),
1764 		.valid = false,
1765 	};
1766 	int err;
1767 
1768 	if (!chip->info->ops->vtu_getnext)
1769 		return -EOPNOTSUPP;
1770 
1771 	do {
1772 		err = chip->info->ops->vtu_getnext(chip, &entry);
1773 		if (err)
1774 			return err;
1775 
1776 		if (!entry.valid)
1777 			break;
1778 
1779 		err = cb(chip, &entry, priv);
1780 		if (err)
1781 			return err;
1782 	} while (entry.vid < mv88e6xxx_max_vid(chip));
1783 
1784 	return 0;
1785 }
1786 
mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip * chip,struct mv88e6xxx_vtu_entry * entry)1787 static int mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
1788 				   struct mv88e6xxx_vtu_entry *entry)
1789 {
1790 	if (!chip->info->ops->vtu_loadpurge)
1791 		return -EOPNOTSUPP;
1792 
1793 	return chip->info->ops->vtu_loadpurge(chip, entry);
1794 }
1795 
mv88e6xxx_fid_map_vlan(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * entry,void * _fid_bitmap)1796 static int mv88e6xxx_fid_map_vlan(struct mv88e6xxx_chip *chip,
1797 				  const struct mv88e6xxx_vtu_entry *entry,
1798 				  void *_fid_bitmap)
1799 {
1800 	unsigned long *fid_bitmap = _fid_bitmap;
1801 
1802 	set_bit(entry->fid, fid_bitmap);
1803 	return 0;
1804 }
1805 
mv88e6xxx_fid_map(struct mv88e6xxx_chip * chip,unsigned long * fid_bitmap)1806 int mv88e6xxx_fid_map(struct mv88e6xxx_chip *chip, unsigned long *fid_bitmap)
1807 {
1808 	bitmap_zero(fid_bitmap, MV88E6XXX_N_FID);
1809 
1810 	/* Every FID has an associated VID, so walking the VTU
1811 	 * will discover the full set of FIDs in use.
1812 	 */
1813 	return mv88e6xxx_vtu_walk(chip, mv88e6xxx_fid_map_vlan, fid_bitmap);
1814 }
1815 
mv88e6xxx_atu_new(struct mv88e6xxx_chip * chip,u16 * fid)1816 static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
1817 {
1818 	DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID);
1819 	int err;
1820 
1821 	err = mv88e6xxx_fid_map(chip, fid_bitmap);
1822 	if (err)
1823 		return err;
1824 
1825 	*fid = find_first_zero_bit(fid_bitmap, MV88E6XXX_N_FID);
1826 	if (unlikely(*fid >= mv88e6xxx_num_databases(chip)))
1827 		return -ENOSPC;
1828 
1829 	/* Clear the database */
1830 	return mv88e6xxx_g1_atu_flush(chip, *fid, true);
1831 }
1832 
mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip * chip,struct mv88e6xxx_stu_entry * entry)1833 static int mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip *chip,
1834 				   struct mv88e6xxx_stu_entry *entry)
1835 {
1836 	if (!chip->info->ops->stu_loadpurge)
1837 		return -EOPNOTSUPP;
1838 
1839 	return chip->info->ops->stu_loadpurge(chip, entry);
1840 }
1841 
mv88e6xxx_stu_setup(struct mv88e6xxx_chip * chip)1842 static int mv88e6xxx_stu_setup(struct mv88e6xxx_chip *chip)
1843 {
1844 	struct mv88e6xxx_stu_entry stu = {
1845 		.valid = true,
1846 		.sid = 0
1847 	};
1848 
1849 	if (!mv88e6xxx_has_stu(chip))
1850 		return 0;
1851 
1852 	/* Make sure that SID 0 is always valid. This is used by VTU
1853 	 * entries that do not make use of the STU, e.g. when creating
1854 	 * a VLAN upper on a port that is also part of a VLAN
1855 	 * filtering bridge.
1856 	 */
1857 	return mv88e6xxx_stu_loadpurge(chip, &stu);
1858 }
1859 
mv88e6xxx_sid_get(struct mv88e6xxx_chip * chip,u8 * sid)1860 static int mv88e6xxx_sid_get(struct mv88e6xxx_chip *chip, u8 *sid)
1861 {
1862 	DECLARE_BITMAP(busy, MV88E6XXX_N_SID) = { 0 };
1863 	struct mv88e6xxx_mst *mst;
1864 
1865 	__set_bit(0, busy);
1866 
1867 	list_for_each_entry(mst, &chip->msts, node)
1868 		__set_bit(mst->stu.sid, busy);
1869 
1870 	*sid = find_first_zero_bit(busy, MV88E6XXX_N_SID);
1871 
1872 	return (*sid >= mv88e6xxx_max_sid(chip)) ? -ENOSPC : 0;
1873 }
1874 
mv88e6xxx_mst_put(struct mv88e6xxx_chip * chip,u8 sid)1875 static int mv88e6xxx_mst_put(struct mv88e6xxx_chip *chip, u8 sid)
1876 {
1877 	struct mv88e6xxx_mst *mst, *tmp;
1878 	int err;
1879 
1880 	if (!sid)
1881 		return 0;
1882 
1883 	list_for_each_entry_safe(mst, tmp, &chip->msts, node) {
1884 		if (mst->stu.sid != sid)
1885 			continue;
1886 
1887 		if (!refcount_dec_and_test(&mst->refcnt))
1888 			return 0;
1889 
1890 		mst->stu.valid = false;
1891 		err = mv88e6xxx_stu_loadpurge(chip, &mst->stu);
1892 		if (err) {
1893 			refcount_set(&mst->refcnt, 1);
1894 			return err;
1895 		}
1896 
1897 		list_del(&mst->node);
1898 		kfree(mst);
1899 		return 0;
1900 	}
1901 
1902 	return -ENOENT;
1903 }
1904 
mv88e6xxx_mst_get(struct mv88e6xxx_chip * chip,struct net_device * br,u16 msti,u8 * sid)1905 static int mv88e6xxx_mst_get(struct mv88e6xxx_chip *chip, struct net_device *br,
1906 			     u16 msti, u8 *sid)
1907 {
1908 	struct mv88e6xxx_mst *mst;
1909 	int err, i;
1910 
1911 	if (!mv88e6xxx_has_stu(chip)) {
1912 		err = -EOPNOTSUPP;
1913 		goto err;
1914 	}
1915 
1916 	if (!msti) {
1917 		*sid = 0;
1918 		return 0;
1919 	}
1920 
1921 	list_for_each_entry(mst, &chip->msts, node) {
1922 		if (mst->br == br && mst->msti == msti) {
1923 			refcount_inc(&mst->refcnt);
1924 			*sid = mst->stu.sid;
1925 			return 0;
1926 		}
1927 	}
1928 
1929 	err = mv88e6xxx_sid_get(chip, sid);
1930 	if (err)
1931 		goto err;
1932 
1933 	mst = kzalloc(sizeof(*mst), GFP_KERNEL);
1934 	if (!mst) {
1935 		err = -ENOMEM;
1936 		goto err;
1937 	}
1938 
1939 	INIT_LIST_HEAD(&mst->node);
1940 	refcount_set(&mst->refcnt, 1);
1941 	mst->br = br;
1942 	mst->msti = msti;
1943 	mst->stu.valid = true;
1944 	mst->stu.sid = *sid;
1945 
1946 	/* The bridge starts out all ports in the disabled state. But
1947 	 * a STU state of disabled means to go by the port-global
1948 	 * state. So we set all user port's initial state to blocking,
1949 	 * to match the bridge's behavior.
1950 	 */
1951 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
1952 		mst->stu.state[i] = dsa_is_user_port(chip->ds, i) ?
1953 			MV88E6XXX_PORT_CTL0_STATE_BLOCKING :
1954 			MV88E6XXX_PORT_CTL0_STATE_DISABLED;
1955 
1956 	err = mv88e6xxx_stu_loadpurge(chip, &mst->stu);
1957 	if (err)
1958 		goto err_free;
1959 
1960 	list_add_tail(&mst->node, &chip->msts);
1961 	return 0;
1962 
1963 err_free:
1964 	kfree(mst);
1965 err:
1966 	return err;
1967 }
1968 
mv88e6xxx_port_mst_state_set(struct dsa_switch * ds,int port,const struct switchdev_mst_state * st)1969 static int mv88e6xxx_port_mst_state_set(struct dsa_switch *ds, int port,
1970 					const struct switchdev_mst_state *st)
1971 {
1972 	struct dsa_port *dp = dsa_to_port(ds, port);
1973 	struct mv88e6xxx_chip *chip = ds->priv;
1974 	struct mv88e6xxx_mst *mst;
1975 	u8 state;
1976 	int err;
1977 
1978 	if (!mv88e6xxx_has_stu(chip))
1979 		return -EOPNOTSUPP;
1980 
1981 	switch (st->state) {
1982 	case BR_STATE_DISABLED:
1983 	case BR_STATE_BLOCKING:
1984 	case BR_STATE_LISTENING:
1985 		state = MV88E6XXX_PORT_CTL0_STATE_BLOCKING;
1986 		break;
1987 	case BR_STATE_LEARNING:
1988 		state = MV88E6XXX_PORT_CTL0_STATE_LEARNING;
1989 		break;
1990 	case BR_STATE_FORWARDING:
1991 		state = MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
1992 		break;
1993 	default:
1994 		return -EINVAL;
1995 	}
1996 
1997 	list_for_each_entry(mst, &chip->msts, node) {
1998 		if (mst->br == dsa_port_bridge_dev_get(dp) &&
1999 		    mst->msti == st->msti) {
2000 			if (mst->stu.state[port] == state)
2001 				return 0;
2002 
2003 			mst->stu.state[port] = state;
2004 			mv88e6xxx_reg_lock(chip);
2005 			err = mv88e6xxx_stu_loadpurge(chip, &mst->stu);
2006 			mv88e6xxx_reg_unlock(chip);
2007 			return err;
2008 		}
2009 	}
2010 
2011 	return -ENOENT;
2012 }
2013 
mv88e6xxx_port_check_hw_vlan(struct dsa_switch * ds,int port,u16 vid)2014 static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
2015 					u16 vid)
2016 {
2017 	struct dsa_port *dp = dsa_to_port(ds, port), *other_dp;
2018 	struct mv88e6xxx_chip *chip = ds->priv;
2019 	struct mv88e6xxx_vtu_entry vlan;
2020 	int err;
2021 
2022 	/* DSA and CPU ports have to be members of multiple vlans */
2023 	if (dsa_port_is_dsa(dp) || dsa_port_is_cpu(dp))
2024 		return 0;
2025 
2026 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2027 	if (err)
2028 		return err;
2029 
2030 	if (!vlan.valid)
2031 		return 0;
2032 
2033 	dsa_switch_for_each_user_port(other_dp, ds) {
2034 		struct net_device *other_br;
2035 
2036 		if (vlan.member[other_dp->index] ==
2037 		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
2038 			continue;
2039 
2040 		if (dsa_port_bridge_same(dp, other_dp))
2041 			break; /* same bridge, check next VLAN */
2042 
2043 		other_br = dsa_port_bridge_dev_get(other_dp);
2044 		if (!other_br)
2045 			continue;
2046 
2047 		dev_err(ds->dev, "p%d: hw VLAN %d already used by port %d in %s\n",
2048 			port, vlan.vid, other_dp->index, netdev_name(other_br));
2049 		return -EOPNOTSUPP;
2050 	}
2051 
2052 	return 0;
2053 }
2054 
mv88e6xxx_port_commit_pvid(struct mv88e6xxx_chip * chip,int port)2055 static int mv88e6xxx_port_commit_pvid(struct mv88e6xxx_chip *chip, int port)
2056 {
2057 	struct dsa_port *dp = dsa_to_port(chip->ds, port);
2058 	struct net_device *br = dsa_port_bridge_dev_get(dp);
2059 	struct mv88e6xxx_port *p = &chip->ports[port];
2060 	u16 pvid = MV88E6XXX_VID_STANDALONE;
2061 	bool drop_untagged = false;
2062 	int err;
2063 
2064 	if (br) {
2065 		if (br_vlan_enabled(br)) {
2066 			pvid = p->bridge_pvid.vid;
2067 			drop_untagged = !p->bridge_pvid.valid;
2068 		} else {
2069 			pvid = MV88E6XXX_VID_BRIDGED;
2070 		}
2071 	}
2072 
2073 	err = mv88e6xxx_port_set_pvid(chip, port, pvid);
2074 	if (err)
2075 		return err;
2076 
2077 	return mv88e6xxx_port_drop_untagged(chip, port, drop_untagged);
2078 }
2079 
mv88e6xxx_port_vlan_filtering(struct dsa_switch * ds,int port,bool vlan_filtering,struct netlink_ext_ack * extack)2080 static int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
2081 					 bool vlan_filtering,
2082 					 struct netlink_ext_ack *extack)
2083 {
2084 	struct mv88e6xxx_chip *chip = ds->priv;
2085 	u16 mode = vlan_filtering ? MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE :
2086 		MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED;
2087 	int err;
2088 
2089 	if (!mv88e6xxx_max_vid(chip))
2090 		return -EOPNOTSUPP;
2091 
2092 	mv88e6xxx_reg_lock(chip);
2093 
2094 	err = mv88e6xxx_port_set_8021q_mode(chip, port, mode);
2095 	if (err)
2096 		goto unlock;
2097 
2098 	err = mv88e6xxx_port_commit_pvid(chip, port);
2099 	if (err)
2100 		goto unlock;
2101 
2102 unlock:
2103 	mv88e6xxx_reg_unlock(chip);
2104 
2105 	return err;
2106 }
2107 
2108 static int
mv88e6xxx_port_vlan_prepare(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan)2109 mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port,
2110 			    const struct switchdev_obj_port_vlan *vlan)
2111 {
2112 	struct mv88e6xxx_chip *chip = ds->priv;
2113 	int err;
2114 
2115 	if (!mv88e6xxx_max_vid(chip))
2116 		return -EOPNOTSUPP;
2117 
2118 	/* If the requested port doesn't belong to the same bridge as the VLAN
2119 	 * members, do not support it (yet) and fallback to software VLAN.
2120 	 */
2121 	mv88e6xxx_reg_lock(chip);
2122 	err = mv88e6xxx_port_check_hw_vlan(ds, port, vlan->vid);
2123 	mv88e6xxx_reg_unlock(chip);
2124 
2125 	return err;
2126 }
2127 
mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip * chip,int port,const unsigned char * addr,u16 vid,u8 state)2128 static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port,
2129 					const unsigned char *addr, u16 vid,
2130 					u8 state)
2131 {
2132 	struct mv88e6xxx_atu_entry entry;
2133 	struct mv88e6xxx_vtu_entry vlan;
2134 	u16 fid;
2135 	int err;
2136 
2137 	/* Ports have two private address databases: one for when the port is
2138 	 * standalone and one for when the port is under a bridge and the
2139 	 * 802.1Q mode is disabled. When the port is standalone, DSA wants its
2140 	 * address database to remain 100% empty, so we never load an ATU entry
2141 	 * into a standalone port's database. Therefore, translate the null
2142 	 * VLAN ID into the port's database used for VLAN-unaware bridging.
2143 	 */
2144 	if (vid == 0) {
2145 		fid = MV88E6XXX_FID_BRIDGED;
2146 	} else {
2147 		err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2148 		if (err)
2149 			return err;
2150 
2151 		/* switchdev expects -EOPNOTSUPP to honor software VLANs */
2152 		if (!vlan.valid)
2153 			return -EOPNOTSUPP;
2154 
2155 		fid = vlan.fid;
2156 	}
2157 
2158 	entry.state = 0;
2159 	ether_addr_copy(entry.mac, addr);
2160 	eth_addr_dec(entry.mac);
2161 
2162 	err = mv88e6xxx_g1_atu_getnext(chip, fid, &entry);
2163 	if (err)
2164 		return err;
2165 
2166 	/* Initialize a fresh ATU entry if it isn't found */
2167 	if (!entry.state || !ether_addr_equal(entry.mac, addr)) {
2168 		memset(&entry, 0, sizeof(entry));
2169 		ether_addr_copy(entry.mac, addr);
2170 	}
2171 
2172 	/* Purge the ATU entry only if no port is using it anymore */
2173 	if (!state) {
2174 		entry.portvec &= ~BIT(port);
2175 		if (!entry.portvec)
2176 			entry.state = 0;
2177 	} else {
2178 		if (state == MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC)
2179 			entry.portvec = BIT(port);
2180 		else
2181 			entry.portvec |= BIT(port);
2182 
2183 		entry.state = state;
2184 	}
2185 
2186 	return mv88e6xxx_g1_atu_loadpurge(chip, fid, &entry);
2187 }
2188 
mv88e6xxx_policy_apply(struct mv88e6xxx_chip * chip,int port,const struct mv88e6xxx_policy * policy)2189 static int mv88e6xxx_policy_apply(struct mv88e6xxx_chip *chip, int port,
2190 				  const struct mv88e6xxx_policy *policy)
2191 {
2192 	enum mv88e6xxx_policy_mapping mapping = policy->mapping;
2193 	enum mv88e6xxx_policy_action action = policy->action;
2194 	const u8 *addr = policy->addr;
2195 	u16 vid = policy->vid;
2196 	u8 state;
2197 	int err;
2198 	int id;
2199 
2200 	if (!chip->info->ops->port_set_policy)
2201 		return -EOPNOTSUPP;
2202 
2203 	switch (mapping) {
2204 	case MV88E6XXX_POLICY_MAPPING_DA:
2205 	case MV88E6XXX_POLICY_MAPPING_SA:
2206 		if (action == MV88E6XXX_POLICY_ACTION_NORMAL)
2207 			state = 0; /* Dissociate the port and address */
2208 		else if (action == MV88E6XXX_POLICY_ACTION_DISCARD &&
2209 			 is_multicast_ether_addr(addr))
2210 			state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC_POLICY;
2211 		else if (action == MV88E6XXX_POLICY_ACTION_DISCARD &&
2212 			 is_unicast_ether_addr(addr))
2213 			state = MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC_POLICY;
2214 		else
2215 			return -EOPNOTSUPP;
2216 
2217 		err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
2218 						   state);
2219 		if (err)
2220 			return err;
2221 		break;
2222 	default:
2223 		return -EOPNOTSUPP;
2224 	}
2225 
2226 	/* Skip the port's policy clearing if the mapping is still in use */
2227 	if (action == MV88E6XXX_POLICY_ACTION_NORMAL)
2228 		idr_for_each_entry(&chip->policies, policy, id)
2229 			if (policy->port == port &&
2230 			    policy->mapping == mapping &&
2231 			    policy->action != action)
2232 				return 0;
2233 
2234 	return chip->info->ops->port_set_policy(chip, port, mapping, action);
2235 }
2236 
mv88e6xxx_policy_insert(struct mv88e6xxx_chip * chip,int port,struct ethtool_rx_flow_spec * fs)2237 static int mv88e6xxx_policy_insert(struct mv88e6xxx_chip *chip, int port,
2238 				   struct ethtool_rx_flow_spec *fs)
2239 {
2240 	struct ethhdr *mac_entry = &fs->h_u.ether_spec;
2241 	struct ethhdr *mac_mask = &fs->m_u.ether_spec;
2242 	enum mv88e6xxx_policy_mapping mapping;
2243 	enum mv88e6xxx_policy_action action;
2244 	struct mv88e6xxx_policy *policy;
2245 	u16 vid = 0;
2246 	u8 *addr;
2247 	int err;
2248 	int id;
2249 
2250 	if (fs->location != RX_CLS_LOC_ANY)
2251 		return -EINVAL;
2252 
2253 	if (fs->ring_cookie == RX_CLS_FLOW_DISC)
2254 		action = MV88E6XXX_POLICY_ACTION_DISCARD;
2255 	else
2256 		return -EOPNOTSUPP;
2257 
2258 	switch (fs->flow_type & ~FLOW_EXT) {
2259 	case ETHER_FLOW:
2260 		if (!is_zero_ether_addr(mac_mask->h_dest) &&
2261 		    is_zero_ether_addr(mac_mask->h_source)) {
2262 			mapping = MV88E6XXX_POLICY_MAPPING_DA;
2263 			addr = mac_entry->h_dest;
2264 		} else if (is_zero_ether_addr(mac_mask->h_dest) &&
2265 		    !is_zero_ether_addr(mac_mask->h_source)) {
2266 			mapping = MV88E6XXX_POLICY_MAPPING_SA;
2267 			addr = mac_entry->h_source;
2268 		} else {
2269 			/* Cannot support DA and SA mapping in the same rule */
2270 			return -EOPNOTSUPP;
2271 		}
2272 		break;
2273 	default:
2274 		return -EOPNOTSUPP;
2275 	}
2276 
2277 	if ((fs->flow_type & FLOW_EXT) && fs->m_ext.vlan_tci) {
2278 		if (fs->m_ext.vlan_tci != htons(0xffff))
2279 			return -EOPNOTSUPP;
2280 		vid = be16_to_cpu(fs->h_ext.vlan_tci) & VLAN_VID_MASK;
2281 	}
2282 
2283 	idr_for_each_entry(&chip->policies, policy, id) {
2284 		if (policy->port == port && policy->mapping == mapping &&
2285 		    policy->action == action && policy->vid == vid &&
2286 		    ether_addr_equal(policy->addr, addr))
2287 			return -EEXIST;
2288 	}
2289 
2290 	policy = devm_kzalloc(chip->dev, sizeof(*policy), GFP_KERNEL);
2291 	if (!policy)
2292 		return -ENOMEM;
2293 
2294 	fs->location = 0;
2295 	err = idr_alloc_u32(&chip->policies, policy, &fs->location, 0xffffffff,
2296 			    GFP_KERNEL);
2297 	if (err) {
2298 		devm_kfree(chip->dev, policy);
2299 		return err;
2300 	}
2301 
2302 	memcpy(&policy->fs, fs, sizeof(*fs));
2303 	ether_addr_copy(policy->addr, addr);
2304 	policy->mapping = mapping;
2305 	policy->action = action;
2306 	policy->port = port;
2307 	policy->vid = vid;
2308 
2309 	err = mv88e6xxx_policy_apply(chip, port, policy);
2310 	if (err) {
2311 		idr_remove(&chip->policies, fs->location);
2312 		devm_kfree(chip->dev, policy);
2313 		return err;
2314 	}
2315 
2316 	return 0;
2317 }
2318 
mv88e6xxx_get_rxnfc(struct dsa_switch * ds,int port,struct ethtool_rxnfc * rxnfc,u32 * rule_locs)2319 static int mv88e6xxx_get_rxnfc(struct dsa_switch *ds, int port,
2320 			       struct ethtool_rxnfc *rxnfc, u32 *rule_locs)
2321 {
2322 	struct ethtool_rx_flow_spec *fs = &rxnfc->fs;
2323 	struct mv88e6xxx_chip *chip = ds->priv;
2324 	struct mv88e6xxx_policy *policy;
2325 	int err;
2326 	int id;
2327 
2328 	mv88e6xxx_reg_lock(chip);
2329 
2330 	switch (rxnfc->cmd) {
2331 	case ETHTOOL_GRXCLSRLCNT:
2332 		rxnfc->data = 0;
2333 		rxnfc->data |= RX_CLS_LOC_SPECIAL;
2334 		rxnfc->rule_cnt = 0;
2335 		idr_for_each_entry(&chip->policies, policy, id)
2336 			if (policy->port == port)
2337 				rxnfc->rule_cnt++;
2338 		err = 0;
2339 		break;
2340 	case ETHTOOL_GRXCLSRULE:
2341 		err = -ENOENT;
2342 		policy = idr_find(&chip->policies, fs->location);
2343 		if (policy) {
2344 			memcpy(fs, &policy->fs, sizeof(*fs));
2345 			err = 0;
2346 		}
2347 		break;
2348 	case ETHTOOL_GRXCLSRLALL:
2349 		rxnfc->data = 0;
2350 		rxnfc->rule_cnt = 0;
2351 		idr_for_each_entry(&chip->policies, policy, id)
2352 			if (policy->port == port)
2353 				rule_locs[rxnfc->rule_cnt++] = id;
2354 		err = 0;
2355 		break;
2356 	default:
2357 		err = -EOPNOTSUPP;
2358 		break;
2359 	}
2360 
2361 	mv88e6xxx_reg_unlock(chip);
2362 
2363 	return err;
2364 }
2365 
mv88e6xxx_set_rxnfc(struct dsa_switch * ds,int port,struct ethtool_rxnfc * rxnfc)2366 static int mv88e6xxx_set_rxnfc(struct dsa_switch *ds, int port,
2367 			       struct ethtool_rxnfc *rxnfc)
2368 {
2369 	struct ethtool_rx_flow_spec *fs = &rxnfc->fs;
2370 	struct mv88e6xxx_chip *chip = ds->priv;
2371 	struct mv88e6xxx_policy *policy;
2372 	int err;
2373 
2374 	mv88e6xxx_reg_lock(chip);
2375 
2376 	switch (rxnfc->cmd) {
2377 	case ETHTOOL_SRXCLSRLINS:
2378 		err = mv88e6xxx_policy_insert(chip, port, fs);
2379 		break;
2380 	case ETHTOOL_SRXCLSRLDEL:
2381 		err = -ENOENT;
2382 		policy = idr_remove(&chip->policies, fs->location);
2383 		if (policy) {
2384 			policy->action = MV88E6XXX_POLICY_ACTION_NORMAL;
2385 			err = mv88e6xxx_policy_apply(chip, port, policy);
2386 			devm_kfree(chip->dev, policy);
2387 		}
2388 		break;
2389 	default:
2390 		err = -EOPNOTSUPP;
2391 		break;
2392 	}
2393 
2394 	mv88e6xxx_reg_unlock(chip);
2395 
2396 	return err;
2397 }
2398 
mv88e6xxx_port_add_broadcast(struct mv88e6xxx_chip * chip,int port,u16 vid)2399 static int mv88e6xxx_port_add_broadcast(struct mv88e6xxx_chip *chip, int port,
2400 					u16 vid)
2401 {
2402 	u8 state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC;
2403 	u8 broadcast[ETH_ALEN];
2404 
2405 	eth_broadcast_addr(broadcast);
2406 
2407 	return mv88e6xxx_port_db_load_purge(chip, port, broadcast, vid, state);
2408 }
2409 
mv88e6xxx_broadcast_setup(struct mv88e6xxx_chip * chip,u16 vid)2410 static int mv88e6xxx_broadcast_setup(struct mv88e6xxx_chip *chip, u16 vid)
2411 {
2412 	int port;
2413 	int err;
2414 
2415 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
2416 		struct dsa_port *dp = dsa_to_port(chip->ds, port);
2417 		struct net_device *brport;
2418 
2419 		if (dsa_is_unused_port(chip->ds, port))
2420 			continue;
2421 
2422 		brport = dsa_port_to_bridge_port(dp);
2423 		if (brport && !br_port_flag_is_set(brport, BR_BCAST_FLOOD))
2424 			/* Skip bridged user ports where broadcast
2425 			 * flooding is disabled.
2426 			 */
2427 			continue;
2428 
2429 		err = mv88e6xxx_port_add_broadcast(chip, port, vid);
2430 		if (err)
2431 			return err;
2432 	}
2433 
2434 	return 0;
2435 }
2436 
2437 struct mv88e6xxx_port_broadcast_sync_ctx {
2438 	int port;
2439 	bool flood;
2440 };
2441 
2442 static int
mv88e6xxx_port_broadcast_sync_vlan(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * vlan,void * _ctx)2443 mv88e6xxx_port_broadcast_sync_vlan(struct mv88e6xxx_chip *chip,
2444 				   const struct mv88e6xxx_vtu_entry *vlan,
2445 				   void *_ctx)
2446 {
2447 	struct mv88e6xxx_port_broadcast_sync_ctx *ctx = _ctx;
2448 	u8 broadcast[ETH_ALEN];
2449 	u8 state;
2450 
2451 	if (ctx->flood)
2452 		state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC;
2453 	else
2454 		state = MV88E6XXX_G1_ATU_DATA_STATE_MC_UNUSED;
2455 
2456 	eth_broadcast_addr(broadcast);
2457 
2458 	return mv88e6xxx_port_db_load_purge(chip, ctx->port, broadcast,
2459 					    vlan->vid, state);
2460 }
2461 
mv88e6xxx_port_broadcast_sync(struct mv88e6xxx_chip * chip,int port,bool flood)2462 static int mv88e6xxx_port_broadcast_sync(struct mv88e6xxx_chip *chip, int port,
2463 					 bool flood)
2464 {
2465 	struct mv88e6xxx_port_broadcast_sync_ctx ctx = {
2466 		.port = port,
2467 		.flood = flood,
2468 	};
2469 	struct mv88e6xxx_vtu_entry vid0 = {
2470 		.vid = 0,
2471 	};
2472 	int err;
2473 
2474 	/* Update the port's private database... */
2475 	err = mv88e6xxx_port_broadcast_sync_vlan(chip, &vid0, &ctx);
2476 	if (err)
2477 		return err;
2478 
2479 	/* ...and the database for all VLANs. */
2480 	return mv88e6xxx_vtu_walk(chip, mv88e6xxx_port_broadcast_sync_vlan,
2481 				  &ctx);
2482 }
2483 
mv88e6xxx_port_vlan_join(struct mv88e6xxx_chip * chip,int port,u16 vid,u8 member,bool warn)2484 static int mv88e6xxx_port_vlan_join(struct mv88e6xxx_chip *chip, int port,
2485 				    u16 vid, u8 member, bool warn)
2486 {
2487 	const u8 non_member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
2488 	struct mv88e6xxx_vtu_entry vlan;
2489 	int i, err;
2490 
2491 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2492 	if (err)
2493 		return err;
2494 
2495 	if (!vlan.valid) {
2496 		memset(&vlan, 0, sizeof(vlan));
2497 
2498 		if (vid == MV88E6XXX_VID_STANDALONE)
2499 			vlan.policy = true;
2500 
2501 		err = mv88e6xxx_atu_new(chip, &vlan.fid);
2502 		if (err)
2503 			return err;
2504 
2505 		for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
2506 			if (i == port)
2507 				vlan.member[i] = member;
2508 			else
2509 				vlan.member[i] = non_member;
2510 
2511 		vlan.vid = vid;
2512 		vlan.valid = true;
2513 
2514 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2515 		if (err)
2516 			return err;
2517 
2518 		err = mv88e6xxx_broadcast_setup(chip, vlan.vid);
2519 		if (err)
2520 			return err;
2521 	} else if (vlan.member[port] != member) {
2522 		vlan.member[port] = member;
2523 
2524 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2525 		if (err)
2526 			return err;
2527 	} else if (warn) {
2528 		dev_info(chip->dev, "p%d: already a member of VLAN %d\n",
2529 			 port, vid);
2530 	}
2531 
2532 	return 0;
2533 }
2534 
mv88e6xxx_port_vlan_add(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan,struct netlink_ext_ack * extack)2535 static int mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
2536 				   const struct switchdev_obj_port_vlan *vlan,
2537 				   struct netlink_ext_ack *extack)
2538 {
2539 	struct mv88e6xxx_chip *chip = ds->priv;
2540 	bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
2541 	bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
2542 	struct mv88e6xxx_port *p = &chip->ports[port];
2543 	bool warn;
2544 	u8 member;
2545 	int err;
2546 
2547 	if (!vlan->vid)
2548 		return 0;
2549 
2550 	err = mv88e6xxx_port_vlan_prepare(ds, port, vlan);
2551 	if (err)
2552 		return err;
2553 
2554 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
2555 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED;
2556 	else if (untagged)
2557 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED;
2558 	else
2559 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_TAGGED;
2560 
2561 	/* net/dsa/slave.c will call dsa_port_vlan_add() for the affected port
2562 	 * and then the CPU port. Do not warn for duplicates for the CPU port.
2563 	 */
2564 	warn = !dsa_is_cpu_port(ds, port) && !dsa_is_dsa_port(ds, port);
2565 
2566 	mv88e6xxx_reg_lock(chip);
2567 
2568 	err = mv88e6xxx_port_vlan_join(chip, port, vlan->vid, member, warn);
2569 	if (err) {
2570 		dev_err(ds->dev, "p%d: failed to add VLAN %d%c\n", port,
2571 			vlan->vid, untagged ? 'u' : 't');
2572 		goto out;
2573 	}
2574 
2575 	if (pvid) {
2576 		p->bridge_pvid.vid = vlan->vid;
2577 		p->bridge_pvid.valid = true;
2578 
2579 		err = mv88e6xxx_port_commit_pvid(chip, port);
2580 		if (err)
2581 			goto out;
2582 	} else if (vlan->vid && p->bridge_pvid.vid == vlan->vid) {
2583 		/* The old pvid was reinstalled as a non-pvid VLAN */
2584 		p->bridge_pvid.valid = false;
2585 
2586 		err = mv88e6xxx_port_commit_pvid(chip, port);
2587 		if (err)
2588 			goto out;
2589 	}
2590 
2591 out:
2592 	mv88e6xxx_reg_unlock(chip);
2593 
2594 	return err;
2595 }
2596 
mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip * chip,int port,u16 vid)2597 static int mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip *chip,
2598 				     int port, u16 vid)
2599 {
2600 	struct mv88e6xxx_vtu_entry vlan;
2601 	int i, err;
2602 
2603 	if (!vid)
2604 		return 0;
2605 
2606 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2607 	if (err)
2608 		return err;
2609 
2610 	/* If the VLAN doesn't exist in hardware or the port isn't a member,
2611 	 * tell switchdev that this VLAN is likely handled in software.
2612 	 */
2613 	if (!vlan.valid ||
2614 	    vlan.member[port] == MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
2615 		return -EOPNOTSUPP;
2616 
2617 	vlan.member[port] = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
2618 
2619 	/* keep the VLAN unless all ports are excluded */
2620 	vlan.valid = false;
2621 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
2622 		if (vlan.member[i] !=
2623 		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
2624 			vlan.valid = true;
2625 			break;
2626 		}
2627 	}
2628 
2629 	err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2630 	if (err)
2631 		return err;
2632 
2633 	if (!vlan.valid) {
2634 		err = mv88e6xxx_mst_put(chip, vlan.sid);
2635 		if (err)
2636 			return err;
2637 	}
2638 
2639 	return mv88e6xxx_g1_atu_remove(chip, vlan.fid, port, false);
2640 }
2641 
mv88e6xxx_port_vlan_del(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan)2642 static int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port,
2643 				   const struct switchdev_obj_port_vlan *vlan)
2644 {
2645 	struct mv88e6xxx_chip *chip = ds->priv;
2646 	struct mv88e6xxx_port *p = &chip->ports[port];
2647 	int err = 0;
2648 	u16 pvid;
2649 
2650 	if (!mv88e6xxx_max_vid(chip))
2651 		return -EOPNOTSUPP;
2652 
2653 	/* The ATU removal procedure needs the FID to be mapped in the VTU,
2654 	 * but FDB deletion runs concurrently with VLAN deletion. Flush the DSA
2655 	 * switchdev workqueue to ensure that all FDB entries are deleted
2656 	 * before we remove the VLAN.
2657 	 */
2658 	dsa_flush_workqueue();
2659 
2660 	mv88e6xxx_reg_lock(chip);
2661 
2662 	err = mv88e6xxx_port_get_pvid(chip, port, &pvid);
2663 	if (err)
2664 		goto unlock;
2665 
2666 	err = mv88e6xxx_port_vlan_leave(chip, port, vlan->vid);
2667 	if (err)
2668 		goto unlock;
2669 
2670 	if (vlan->vid == pvid) {
2671 		p->bridge_pvid.valid = false;
2672 
2673 		err = mv88e6xxx_port_commit_pvid(chip, port);
2674 		if (err)
2675 			goto unlock;
2676 	}
2677 
2678 unlock:
2679 	mv88e6xxx_reg_unlock(chip);
2680 
2681 	return err;
2682 }
2683 
mv88e6xxx_port_vlan_fast_age(struct dsa_switch * ds,int port,u16 vid)2684 static int mv88e6xxx_port_vlan_fast_age(struct dsa_switch *ds, int port, u16 vid)
2685 {
2686 	struct mv88e6xxx_chip *chip = ds->priv;
2687 	struct mv88e6xxx_vtu_entry vlan;
2688 	int err;
2689 
2690 	mv88e6xxx_reg_lock(chip);
2691 
2692 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2693 	if (err)
2694 		goto unlock;
2695 
2696 	err = mv88e6xxx_port_fast_age_fid(chip, port, vlan.fid);
2697 
2698 unlock:
2699 	mv88e6xxx_reg_unlock(chip);
2700 
2701 	return err;
2702 }
2703 
mv88e6xxx_vlan_msti_set(struct dsa_switch * ds,struct dsa_bridge bridge,const struct switchdev_vlan_msti * msti)2704 static int mv88e6xxx_vlan_msti_set(struct dsa_switch *ds,
2705 				   struct dsa_bridge bridge,
2706 				   const struct switchdev_vlan_msti *msti)
2707 {
2708 	struct mv88e6xxx_chip *chip = ds->priv;
2709 	struct mv88e6xxx_vtu_entry vlan;
2710 	u8 old_sid, new_sid;
2711 	int err;
2712 
2713 	if (!mv88e6xxx_has_stu(chip))
2714 		return -EOPNOTSUPP;
2715 
2716 	mv88e6xxx_reg_lock(chip);
2717 
2718 	err = mv88e6xxx_vtu_get(chip, msti->vid, &vlan);
2719 	if (err)
2720 		goto unlock;
2721 
2722 	if (!vlan.valid) {
2723 		err = -EINVAL;
2724 		goto unlock;
2725 	}
2726 
2727 	old_sid = vlan.sid;
2728 
2729 	err = mv88e6xxx_mst_get(chip, bridge.dev, msti->msti, &new_sid);
2730 	if (err)
2731 		goto unlock;
2732 
2733 	if (new_sid != old_sid) {
2734 		vlan.sid = new_sid;
2735 
2736 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2737 		if (err) {
2738 			mv88e6xxx_mst_put(chip, new_sid);
2739 			goto unlock;
2740 		}
2741 	}
2742 
2743 	err = mv88e6xxx_mst_put(chip, old_sid);
2744 
2745 unlock:
2746 	mv88e6xxx_reg_unlock(chip);
2747 	return err;
2748 }
2749 
mv88e6xxx_port_fdb_add(struct dsa_switch * ds,int port,const unsigned char * addr,u16 vid,struct dsa_db db)2750 static int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
2751 				  const unsigned char *addr, u16 vid,
2752 				  struct dsa_db db)
2753 {
2754 	struct mv88e6xxx_chip *chip = ds->priv;
2755 	int err;
2756 
2757 	mv88e6xxx_reg_lock(chip);
2758 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
2759 					   MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
2760 	mv88e6xxx_reg_unlock(chip);
2761 
2762 	return err;
2763 }
2764 
mv88e6xxx_port_fdb_del(struct dsa_switch * ds,int port,const unsigned char * addr,u16 vid,struct dsa_db db)2765 static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
2766 				  const unsigned char *addr, u16 vid,
2767 				  struct dsa_db db)
2768 {
2769 	struct mv88e6xxx_chip *chip = ds->priv;
2770 	int err;
2771 
2772 	mv88e6xxx_reg_lock(chip);
2773 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid, 0);
2774 	mv88e6xxx_reg_unlock(chip);
2775 
2776 	return err;
2777 }
2778 
mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip * chip,u16 fid,u16 vid,int port,dsa_fdb_dump_cb_t * cb,void * data)2779 static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip,
2780 				      u16 fid, u16 vid, int port,
2781 				      dsa_fdb_dump_cb_t *cb, void *data)
2782 {
2783 	struct mv88e6xxx_atu_entry addr;
2784 	bool is_static;
2785 	int err;
2786 
2787 	addr.state = 0;
2788 	eth_broadcast_addr(addr.mac);
2789 
2790 	do {
2791 		err = mv88e6xxx_g1_atu_getnext(chip, fid, &addr);
2792 		if (err)
2793 			return err;
2794 
2795 		if (!addr.state)
2796 			break;
2797 
2798 		if (addr.trunk || (addr.portvec & BIT(port)) == 0)
2799 			continue;
2800 
2801 		if (!is_unicast_ether_addr(addr.mac))
2802 			continue;
2803 
2804 		is_static = (addr.state ==
2805 			     MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
2806 		err = cb(addr.mac, vid, is_static, data);
2807 		if (err)
2808 			return err;
2809 	} while (!is_broadcast_ether_addr(addr.mac));
2810 
2811 	return err;
2812 }
2813 
2814 struct mv88e6xxx_port_db_dump_vlan_ctx {
2815 	int port;
2816 	dsa_fdb_dump_cb_t *cb;
2817 	void *data;
2818 };
2819 
mv88e6xxx_port_db_dump_vlan(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * entry,void * _data)2820 static int mv88e6xxx_port_db_dump_vlan(struct mv88e6xxx_chip *chip,
2821 				       const struct mv88e6xxx_vtu_entry *entry,
2822 				       void *_data)
2823 {
2824 	struct mv88e6xxx_port_db_dump_vlan_ctx *ctx = _data;
2825 
2826 	return mv88e6xxx_port_db_dump_fid(chip, entry->fid, entry->vid,
2827 					  ctx->port, ctx->cb, ctx->data);
2828 }
2829 
mv88e6xxx_port_db_dump(struct mv88e6xxx_chip * chip,int port,dsa_fdb_dump_cb_t * cb,void * data)2830 static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
2831 				  dsa_fdb_dump_cb_t *cb, void *data)
2832 {
2833 	struct mv88e6xxx_port_db_dump_vlan_ctx ctx = {
2834 		.port = port,
2835 		.cb = cb,
2836 		.data = data,
2837 	};
2838 	u16 fid;
2839 	int err;
2840 
2841 	/* Dump port's default Filtering Information Database (VLAN ID 0) */
2842 	err = mv88e6xxx_port_get_fid(chip, port, &fid);
2843 	if (err)
2844 		return err;
2845 
2846 	err = mv88e6xxx_port_db_dump_fid(chip, fid, 0, port, cb, data);
2847 	if (err)
2848 		return err;
2849 
2850 	return mv88e6xxx_vtu_walk(chip, mv88e6xxx_port_db_dump_vlan, &ctx);
2851 }
2852 
mv88e6xxx_port_fdb_dump(struct dsa_switch * ds,int port,dsa_fdb_dump_cb_t * cb,void * data)2853 static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
2854 				   dsa_fdb_dump_cb_t *cb, void *data)
2855 {
2856 	struct mv88e6xxx_chip *chip = ds->priv;
2857 	int err;
2858 
2859 	mv88e6xxx_reg_lock(chip);
2860 	err = mv88e6xxx_port_db_dump(chip, port, cb, data);
2861 	mv88e6xxx_reg_unlock(chip);
2862 
2863 	return err;
2864 }
2865 
mv88e6xxx_bridge_map(struct mv88e6xxx_chip * chip,struct dsa_bridge bridge)2866 static int mv88e6xxx_bridge_map(struct mv88e6xxx_chip *chip,
2867 				struct dsa_bridge bridge)
2868 {
2869 	struct dsa_switch *ds = chip->ds;
2870 	struct dsa_switch_tree *dst = ds->dst;
2871 	struct dsa_port *dp;
2872 	int err;
2873 
2874 	list_for_each_entry(dp, &dst->ports, list) {
2875 		if (dsa_port_offloads_bridge(dp, &bridge)) {
2876 			if (dp->ds == ds) {
2877 				/* This is a local bridge group member,
2878 				 * remap its Port VLAN Map.
2879 				 */
2880 				err = mv88e6xxx_port_vlan_map(chip, dp->index);
2881 				if (err)
2882 					return err;
2883 			} else {
2884 				/* This is an external bridge group member,
2885 				 * remap its cross-chip Port VLAN Table entry.
2886 				 */
2887 				err = mv88e6xxx_pvt_map(chip, dp->ds->index,
2888 							dp->index);
2889 				if (err)
2890 					return err;
2891 			}
2892 		}
2893 	}
2894 
2895 	return 0;
2896 }
2897 
2898 /* Treat the software bridge as a virtual single-port switch behind the
2899  * CPU and map in the PVT. First dst->last_switch elements are taken by
2900  * physical switches, so start from beyond that range.
2901  */
mv88e6xxx_map_virtual_bridge_to_pvt(struct dsa_switch * ds,unsigned int bridge_num)2902 static int mv88e6xxx_map_virtual_bridge_to_pvt(struct dsa_switch *ds,
2903 					       unsigned int bridge_num)
2904 {
2905 	u8 dev = bridge_num + ds->dst->last_switch;
2906 	struct mv88e6xxx_chip *chip = ds->priv;
2907 
2908 	return mv88e6xxx_pvt_map(chip, dev, 0);
2909 }
2910 
mv88e6xxx_port_bridge_join(struct dsa_switch * ds,int port,struct dsa_bridge bridge,bool * tx_fwd_offload,struct netlink_ext_ack * extack)2911 static int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
2912 				      struct dsa_bridge bridge,
2913 				      bool *tx_fwd_offload,
2914 				      struct netlink_ext_ack *extack)
2915 {
2916 	struct mv88e6xxx_chip *chip = ds->priv;
2917 	int err;
2918 
2919 	mv88e6xxx_reg_lock(chip);
2920 
2921 	err = mv88e6xxx_bridge_map(chip, bridge);
2922 	if (err)
2923 		goto unlock;
2924 
2925 	err = mv88e6xxx_port_set_map_da(chip, port, true);
2926 	if (err)
2927 		goto unlock;
2928 
2929 	err = mv88e6xxx_port_commit_pvid(chip, port);
2930 	if (err)
2931 		goto unlock;
2932 
2933 	if (mv88e6xxx_has_pvt(chip)) {
2934 		err = mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num);
2935 		if (err)
2936 			goto unlock;
2937 
2938 		*tx_fwd_offload = true;
2939 	}
2940 
2941 unlock:
2942 	mv88e6xxx_reg_unlock(chip);
2943 
2944 	return err;
2945 }
2946 
mv88e6xxx_port_bridge_leave(struct dsa_switch * ds,int port,struct dsa_bridge bridge)2947 static void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port,
2948 					struct dsa_bridge bridge)
2949 {
2950 	struct mv88e6xxx_chip *chip = ds->priv;
2951 	int err;
2952 
2953 	mv88e6xxx_reg_lock(chip);
2954 
2955 	if (bridge.tx_fwd_offload &&
2956 	    mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num))
2957 		dev_err(ds->dev, "failed to remap cross-chip Port VLAN\n");
2958 
2959 	if (mv88e6xxx_bridge_map(chip, bridge) ||
2960 	    mv88e6xxx_port_vlan_map(chip, port))
2961 		dev_err(ds->dev, "failed to remap in-chip Port VLAN\n");
2962 
2963 	err = mv88e6xxx_port_set_map_da(chip, port, false);
2964 	if (err)
2965 		dev_err(ds->dev,
2966 			"port %d failed to restore map-DA: %pe\n",
2967 			port, ERR_PTR(err));
2968 
2969 	err = mv88e6xxx_port_commit_pvid(chip, port);
2970 	if (err)
2971 		dev_err(ds->dev,
2972 			"port %d failed to restore standalone pvid: %pe\n",
2973 			port, ERR_PTR(err));
2974 
2975 	mv88e6xxx_reg_unlock(chip);
2976 }
2977 
mv88e6xxx_crosschip_bridge_join(struct dsa_switch * ds,int tree_index,int sw_index,int port,struct dsa_bridge bridge,struct netlink_ext_ack * extack)2978 static int mv88e6xxx_crosschip_bridge_join(struct dsa_switch *ds,
2979 					   int tree_index, int sw_index,
2980 					   int port, struct dsa_bridge bridge,
2981 					   struct netlink_ext_ack *extack)
2982 {
2983 	struct mv88e6xxx_chip *chip = ds->priv;
2984 	int err;
2985 
2986 	if (tree_index != ds->dst->index)
2987 		return 0;
2988 
2989 	mv88e6xxx_reg_lock(chip);
2990 	err = mv88e6xxx_pvt_map(chip, sw_index, port);
2991 	err = err ? : mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num);
2992 	mv88e6xxx_reg_unlock(chip);
2993 
2994 	return err;
2995 }
2996 
mv88e6xxx_crosschip_bridge_leave(struct dsa_switch * ds,int tree_index,int sw_index,int port,struct dsa_bridge bridge)2997 static void mv88e6xxx_crosschip_bridge_leave(struct dsa_switch *ds,
2998 					     int tree_index, int sw_index,
2999 					     int port, struct dsa_bridge bridge)
3000 {
3001 	struct mv88e6xxx_chip *chip = ds->priv;
3002 
3003 	if (tree_index != ds->dst->index)
3004 		return;
3005 
3006 	mv88e6xxx_reg_lock(chip);
3007 	if (mv88e6xxx_pvt_map(chip, sw_index, port) ||
3008 	    mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num))
3009 		dev_err(ds->dev, "failed to remap cross-chip Port VLAN\n");
3010 	mv88e6xxx_reg_unlock(chip);
3011 }
3012 
mv88e6xxx_software_reset(struct mv88e6xxx_chip * chip)3013 static int mv88e6xxx_software_reset(struct mv88e6xxx_chip *chip)
3014 {
3015 	if (chip->info->ops->reset)
3016 		return chip->info->ops->reset(chip);
3017 
3018 	return 0;
3019 }
3020 
mv88e6xxx_hardware_reset(struct mv88e6xxx_chip * chip)3021 static void mv88e6xxx_hardware_reset(struct mv88e6xxx_chip *chip)
3022 {
3023 	struct gpio_desc *gpiod = chip->reset;
3024 	int err;
3025 
3026 	/* If there is a GPIO connected to the reset pin, toggle it */
3027 	if (gpiod) {
3028 		/* If the switch has just been reset and not yet completed
3029 		 * loading EEPROM, the reset may interrupt the I2C transaction
3030 		 * mid-byte, causing the first EEPROM read after the reset
3031 		 * from the wrong location resulting in the switch booting
3032 		 * to wrong mode and inoperable.
3033 		 * For this reason, switch families with EEPROM support
3034 		 * generally wait for EEPROM loads to complete as their pre-
3035 		 * and post-reset handlers.
3036 		 */
3037 		if (chip->info->ops->hardware_reset_pre) {
3038 			err = chip->info->ops->hardware_reset_pre(chip);
3039 			if (err)
3040 				dev_err(chip->dev, "pre-reset error: %d\n", err);
3041 		}
3042 
3043 		gpiod_set_value_cansleep(gpiod, 1);
3044 		usleep_range(10000, 20000);
3045 		gpiod_set_value_cansleep(gpiod, 0);
3046 		usleep_range(10000, 20000);
3047 
3048 		if (chip->info->ops->hardware_reset_post) {
3049 			err = chip->info->ops->hardware_reset_post(chip);
3050 			if (err)
3051 				dev_err(chip->dev, "post-reset error: %d\n", err);
3052 		}
3053 	}
3054 }
3055 
mv88e6xxx_disable_ports(struct mv88e6xxx_chip * chip)3056 static int mv88e6xxx_disable_ports(struct mv88e6xxx_chip *chip)
3057 {
3058 	int i, err;
3059 
3060 	/* Set all ports to the Disabled state */
3061 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
3062 		err = mv88e6xxx_port_set_state(chip, i, BR_STATE_DISABLED);
3063 		if (err)
3064 			return err;
3065 	}
3066 
3067 	/* Wait for transmit queues to drain,
3068 	 * i.e. 2ms for a maximum frame to be transmitted at 10 Mbps.
3069 	 */
3070 	usleep_range(2000, 4000);
3071 
3072 	return 0;
3073 }
3074 
mv88e6xxx_switch_reset(struct mv88e6xxx_chip * chip)3075 static int mv88e6xxx_switch_reset(struct mv88e6xxx_chip *chip)
3076 {
3077 	int err;
3078 
3079 	err = mv88e6xxx_disable_ports(chip);
3080 	if (err)
3081 		return err;
3082 
3083 	mv88e6xxx_hardware_reset(chip);
3084 
3085 	return mv88e6xxx_software_reset(chip);
3086 }
3087 
mv88e6xxx_set_port_mode(struct mv88e6xxx_chip * chip,int port,enum mv88e6xxx_frame_mode frame,enum mv88e6xxx_egress_mode egress,u16 etype)3088 static int mv88e6xxx_set_port_mode(struct mv88e6xxx_chip *chip, int port,
3089 				   enum mv88e6xxx_frame_mode frame,
3090 				   enum mv88e6xxx_egress_mode egress, u16 etype)
3091 {
3092 	int err;
3093 
3094 	if (!chip->info->ops->port_set_frame_mode)
3095 		return -EOPNOTSUPP;
3096 
3097 	err = mv88e6xxx_port_set_egress_mode(chip, port, egress);
3098 	if (err)
3099 		return err;
3100 
3101 	err = chip->info->ops->port_set_frame_mode(chip, port, frame);
3102 	if (err)
3103 		return err;
3104 
3105 	if (chip->info->ops->port_set_ether_type)
3106 		return chip->info->ops->port_set_ether_type(chip, port, etype);
3107 
3108 	return 0;
3109 }
3110 
mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip * chip,int port)3111 static int mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip *chip, int port)
3112 {
3113 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_NORMAL,
3114 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
3115 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
3116 }
3117 
mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip * chip,int port)3118 static int mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip *chip, int port)
3119 {
3120 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_DSA,
3121 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
3122 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
3123 }
3124 
mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip * chip,int port)3125 static int mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip *chip, int port)
3126 {
3127 	return mv88e6xxx_set_port_mode(chip, port,
3128 				       MV88E6XXX_FRAME_MODE_ETHERTYPE,
3129 				       MV88E6XXX_EGRESS_MODE_ETHERTYPE,
3130 				       ETH_P_EDSA);
3131 }
3132 
mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip * chip,int port)3133 static int mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip *chip, int port)
3134 {
3135 	if (dsa_is_dsa_port(chip->ds, port))
3136 		return mv88e6xxx_set_port_mode_dsa(chip, port);
3137 
3138 	if (dsa_is_user_port(chip->ds, port))
3139 		return mv88e6xxx_set_port_mode_normal(chip, port);
3140 
3141 	/* Setup CPU port mode depending on its supported tag format */
3142 	if (chip->tag_protocol == DSA_TAG_PROTO_DSA)
3143 		return mv88e6xxx_set_port_mode_dsa(chip, port);
3144 
3145 	if (chip->tag_protocol == DSA_TAG_PROTO_EDSA)
3146 		return mv88e6xxx_set_port_mode_edsa(chip, port);
3147 
3148 	return -EINVAL;
3149 }
3150 
mv88e6xxx_setup_message_port(struct mv88e6xxx_chip * chip,int port)3151 static int mv88e6xxx_setup_message_port(struct mv88e6xxx_chip *chip, int port)
3152 {
3153 	bool message = dsa_is_dsa_port(chip->ds, port);
3154 
3155 	return mv88e6xxx_port_set_message_port(chip, port, message);
3156 }
3157 
mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip * chip,int port)3158 static int mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip *chip, int port)
3159 {
3160 	int err;
3161 
3162 	if (chip->info->ops->port_set_ucast_flood) {
3163 		err = chip->info->ops->port_set_ucast_flood(chip, port, true);
3164 		if (err)
3165 			return err;
3166 	}
3167 	if (chip->info->ops->port_set_mcast_flood) {
3168 		err = chip->info->ops->port_set_mcast_flood(chip, port, true);
3169 		if (err)
3170 			return err;
3171 	}
3172 
3173 	return 0;
3174 }
3175 
mv88e6xxx_set_egress_port(struct mv88e6xxx_chip * chip,enum mv88e6xxx_egress_direction direction,int port)3176 static int mv88e6xxx_set_egress_port(struct mv88e6xxx_chip *chip,
3177 				     enum mv88e6xxx_egress_direction direction,
3178 				     int port)
3179 {
3180 	int err;
3181 
3182 	if (!chip->info->ops->set_egress_port)
3183 		return -EOPNOTSUPP;
3184 
3185 	err = chip->info->ops->set_egress_port(chip, direction, port);
3186 	if (err)
3187 		return err;
3188 
3189 	if (direction == MV88E6XXX_EGRESS_DIR_INGRESS)
3190 		chip->ingress_dest_port = port;
3191 	else
3192 		chip->egress_dest_port = port;
3193 
3194 	return 0;
3195 }
3196 
mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip * chip,int port)3197 static int mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip *chip, int port)
3198 {
3199 	struct dsa_switch *ds = chip->ds;
3200 	int upstream_port;
3201 	int err;
3202 
3203 	upstream_port = dsa_upstream_port(ds, port);
3204 	if (chip->info->ops->port_set_upstream_port) {
3205 		err = chip->info->ops->port_set_upstream_port(chip, port,
3206 							      upstream_port);
3207 		if (err)
3208 			return err;
3209 	}
3210 
3211 	if (port == upstream_port) {
3212 		if (chip->info->ops->set_cpu_port) {
3213 			err = chip->info->ops->set_cpu_port(chip,
3214 							    upstream_port);
3215 			if (err)
3216 				return err;
3217 		}
3218 
3219 		err = mv88e6xxx_set_egress_port(chip,
3220 						MV88E6XXX_EGRESS_DIR_INGRESS,
3221 						upstream_port);
3222 		if (err && err != -EOPNOTSUPP)
3223 			return err;
3224 
3225 		err = mv88e6xxx_set_egress_port(chip,
3226 						MV88E6XXX_EGRESS_DIR_EGRESS,
3227 						upstream_port);
3228 		if (err && err != -EOPNOTSUPP)
3229 			return err;
3230 	}
3231 
3232 	return 0;
3233 }
3234 
mv88e6xxx_setup_port(struct mv88e6xxx_chip * chip,int port)3235 static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
3236 {
3237 	struct device_node *phy_handle = NULL;
3238 	struct dsa_switch *ds = chip->ds;
3239 	struct dsa_port *dp;
3240 	int tx_amp;
3241 	int err;
3242 	u16 reg;
3243 
3244 	chip->ports[port].chip = chip;
3245 	chip->ports[port].port = port;
3246 
3247 	err = mv88e6xxx_port_setup_mac(chip, port, LINK_UNFORCED,
3248 				       SPEED_UNFORCED, DUPLEX_UNFORCED,
3249 				       PAUSE_ON, PHY_INTERFACE_MODE_NA);
3250 	if (err)
3251 		return err;
3252 
3253 	/* Port Control: disable Drop-on-Unlock, disable Drop-on-Lock,
3254 	 * disable Header mode, enable IGMP/MLD snooping, disable VLAN
3255 	 * tunneling, determine priority by looking at 802.1p and IP
3256 	 * priority fields (IP prio has precedence), and set STP state
3257 	 * to Forwarding.
3258 	 *
3259 	 * If this is the CPU link, use DSA or EDSA tagging depending
3260 	 * on which tagging mode was configured.
3261 	 *
3262 	 * If this is a link to another switch, use DSA tagging mode.
3263 	 *
3264 	 * If this is the upstream port for this switch, enable
3265 	 * forwarding of unknown unicasts and multicasts.
3266 	 */
3267 	reg = MV88E6185_PORT_CTL0_USE_TAG | MV88E6185_PORT_CTL0_USE_IP |
3268 		MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
3269 	/* Forward any IPv4 IGMP or IPv6 MLD frames received
3270 	 * by a USER port to the CPU port to allow snooping.
3271 	 */
3272 	if (dsa_is_user_port(ds, port))
3273 		reg |= MV88E6XXX_PORT_CTL0_IGMP_MLD_SNOOP;
3274 
3275 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
3276 	if (err)
3277 		return err;
3278 
3279 	err = mv88e6xxx_setup_port_mode(chip, port);
3280 	if (err)
3281 		return err;
3282 
3283 	err = mv88e6xxx_setup_egress_floods(chip, port);
3284 	if (err)
3285 		return err;
3286 
3287 	/* Port Control 2: don't force a good FCS, set the MTU size to
3288 	 * 10222 bytes, disable 802.1q tags checking, don't discard
3289 	 * tagged or untagged frames on this port, skip destination
3290 	 * address lookup on user ports, disable ARP mirroring and don't
3291 	 * send a copy of all transmitted/received frames on this port
3292 	 * to the CPU.
3293 	 */
3294 	err = mv88e6xxx_port_set_map_da(chip, port, !dsa_is_user_port(ds, port));
3295 	if (err)
3296 		return err;
3297 
3298 	err = mv88e6xxx_setup_upstream_port(chip, port);
3299 	if (err)
3300 		return err;
3301 
3302 	/* On chips that support it, set all downstream DSA ports'
3303 	 * VLAN policy to TRAP. In combination with loading
3304 	 * MV88E6XXX_VID_STANDALONE as a policy entry in the VTU, this
3305 	 * provides a better isolation barrier between standalone
3306 	 * ports, as the ATU is bypassed on any intermediate switches
3307 	 * between the incoming port and the CPU.
3308 	 */
3309 	if (dsa_is_downstream_port(ds, port) &&
3310 	    chip->info->ops->port_set_policy) {
3311 		err = chip->info->ops->port_set_policy(chip, port,
3312 						MV88E6XXX_POLICY_MAPPING_VTU,
3313 						MV88E6XXX_POLICY_ACTION_TRAP);
3314 		if (err)
3315 			return err;
3316 	}
3317 
3318 	/* User ports start out in standalone mode and 802.1Q is
3319 	 * therefore disabled. On DSA ports, all valid VIDs are always
3320 	 * loaded in the VTU - therefore, enable 802.1Q in order to take
3321 	 * advantage of VLAN policy on chips that supports it.
3322 	 */
3323 	err = mv88e6xxx_port_set_8021q_mode(chip, port,
3324 				dsa_is_user_port(ds, port) ?
3325 				MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED :
3326 				MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE);
3327 	if (err)
3328 		return err;
3329 
3330 	/* Bind MV88E6XXX_VID_STANDALONE to MV88E6XXX_FID_STANDALONE by
3331 	 * virtue of the fact that mv88e6xxx_atu_new() will pick it as
3332 	 * the first free FID. This will be used as the private PVID for
3333 	 * unbridged ports. Shared (DSA and CPU) ports must also be
3334 	 * members of this VID, in order to trap all frames assigned to
3335 	 * it to the CPU.
3336 	 */
3337 	err = mv88e6xxx_port_vlan_join(chip, port, MV88E6XXX_VID_STANDALONE,
3338 				       MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED,
3339 				       false);
3340 	if (err)
3341 		return err;
3342 
3343 	/* Associate MV88E6XXX_VID_BRIDGED with MV88E6XXX_FID_BRIDGED in the
3344 	 * ATU by virtue of the fact that mv88e6xxx_atu_new() will pick it as
3345 	 * the first free FID after MV88E6XXX_FID_STANDALONE. This will be used
3346 	 * as the private PVID on ports under a VLAN-unaware bridge.
3347 	 * Shared (DSA and CPU) ports must also be members of it, to translate
3348 	 * the VID from the DSA tag into MV88E6XXX_FID_BRIDGED, instead of
3349 	 * relying on their port default FID.
3350 	 */
3351 	err = mv88e6xxx_port_vlan_join(chip, port, MV88E6XXX_VID_BRIDGED,
3352 				       MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED,
3353 				       false);
3354 	if (err)
3355 		return err;
3356 
3357 	if (chip->info->ops->port_set_jumbo_size) {
3358 		err = chip->info->ops->port_set_jumbo_size(chip, port, 10218);
3359 		if (err)
3360 			return err;
3361 	}
3362 
3363 	/* Port Association Vector: disable automatic address learning
3364 	 * on all user ports since they start out in standalone
3365 	 * mode. When joining a bridge, learning will be configured to
3366 	 * match the bridge port settings. Enable learning on all
3367 	 * DSA/CPU ports. NOTE: FROM_CPU frames always bypass the
3368 	 * learning process.
3369 	 *
3370 	 * Disable HoldAt1, IntOnAgeOut, LockedPort, IgnoreWrongData,
3371 	 * and RefreshLocked. I.e. setup standard automatic learning.
3372 	 */
3373 	if (dsa_is_user_port(ds, port))
3374 		reg = 0;
3375 	else
3376 		reg = 1 << port;
3377 
3378 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
3379 				   reg);
3380 	if (err)
3381 		return err;
3382 
3383 	/* Egress rate control 2: disable egress rate control. */
3384 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL2,
3385 				   0x0000);
3386 	if (err)
3387 		return err;
3388 
3389 	if (chip->info->ops->port_pause_limit) {
3390 		err = chip->info->ops->port_pause_limit(chip, port, 0, 0);
3391 		if (err)
3392 			return err;
3393 	}
3394 
3395 	if (chip->info->ops->port_disable_learn_limit) {
3396 		err = chip->info->ops->port_disable_learn_limit(chip, port);
3397 		if (err)
3398 			return err;
3399 	}
3400 
3401 	if (chip->info->ops->port_disable_pri_override) {
3402 		err = chip->info->ops->port_disable_pri_override(chip, port);
3403 		if (err)
3404 			return err;
3405 	}
3406 
3407 	if (chip->info->ops->port_tag_remap) {
3408 		err = chip->info->ops->port_tag_remap(chip, port);
3409 		if (err)
3410 			return err;
3411 	}
3412 
3413 	if (chip->info->ops->port_egress_rate_limiting) {
3414 		err = chip->info->ops->port_egress_rate_limiting(chip, port);
3415 		if (err)
3416 			return err;
3417 	}
3418 
3419 	if (chip->info->ops->port_setup_message_port) {
3420 		err = chip->info->ops->port_setup_message_port(chip, port);
3421 		if (err)
3422 			return err;
3423 	}
3424 
3425 	if (chip->info->ops->serdes_set_tx_amplitude) {
3426 		dp = dsa_to_port(ds, port);
3427 		if (dp)
3428 			phy_handle = of_parse_phandle(dp->dn, "phy-handle", 0);
3429 
3430 		if (phy_handle && !of_property_read_u32(phy_handle,
3431 							"tx-p2p-microvolt",
3432 							&tx_amp))
3433 			err = chip->info->ops->serdes_set_tx_amplitude(chip,
3434 								port, tx_amp);
3435 		if (phy_handle) {
3436 			of_node_put(phy_handle);
3437 			if (err)
3438 				return err;
3439 		}
3440 	}
3441 
3442 	/* Port based VLAN map: give each port the same default address
3443 	 * database, and allow bidirectional communication between the
3444 	 * CPU and DSA port(s), and the other ports.
3445 	 */
3446 	err = mv88e6xxx_port_set_fid(chip, port, MV88E6XXX_FID_STANDALONE);
3447 	if (err)
3448 		return err;
3449 
3450 	err = mv88e6xxx_port_vlan_map(chip, port);
3451 	if (err)
3452 		return err;
3453 
3454 	/* Default VLAN ID and priority: don't set a default VLAN
3455 	 * ID, and set the default packet priority to zero.
3456 	 */
3457 	return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN, 0);
3458 }
3459 
mv88e6xxx_get_max_mtu(struct dsa_switch * ds,int port)3460 static int mv88e6xxx_get_max_mtu(struct dsa_switch *ds, int port)
3461 {
3462 	struct mv88e6xxx_chip *chip = ds->priv;
3463 
3464 	if (chip->info->ops->port_set_jumbo_size)
3465 		return 10240 - VLAN_ETH_HLEN - EDSA_HLEN - ETH_FCS_LEN;
3466 	else if (chip->info->ops->set_max_frame_size)
3467 		return 1632 - VLAN_ETH_HLEN - EDSA_HLEN - ETH_FCS_LEN;
3468 	return ETH_DATA_LEN;
3469 }
3470 
mv88e6xxx_change_mtu(struct dsa_switch * ds,int port,int new_mtu)3471 static int mv88e6xxx_change_mtu(struct dsa_switch *ds, int port, int new_mtu)
3472 {
3473 	struct mv88e6xxx_chip *chip = ds->priv;
3474 	int ret = 0;
3475 
3476 	/* For families where we don't know how to alter the MTU,
3477 	 * just accept any value up to ETH_DATA_LEN
3478 	 */
3479 	if (!chip->info->ops->port_set_jumbo_size &&
3480 	    !chip->info->ops->set_max_frame_size) {
3481 		if (new_mtu > ETH_DATA_LEN)
3482 			return -EINVAL;
3483 
3484 		return 0;
3485 	}
3486 
3487 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
3488 		new_mtu += EDSA_HLEN;
3489 
3490 	mv88e6xxx_reg_lock(chip);
3491 	if (chip->info->ops->port_set_jumbo_size)
3492 		ret = chip->info->ops->port_set_jumbo_size(chip, port, new_mtu);
3493 	else if (chip->info->ops->set_max_frame_size &&
3494 		 dsa_is_cpu_port(ds, port))
3495 		ret = chip->info->ops->set_max_frame_size(chip, new_mtu);
3496 	mv88e6xxx_reg_unlock(chip);
3497 
3498 	return ret;
3499 }
3500 
mv88e6xxx_set_ageing_time(struct dsa_switch * ds,unsigned int ageing_time)3501 static int mv88e6xxx_set_ageing_time(struct dsa_switch *ds,
3502 				     unsigned int ageing_time)
3503 {
3504 	struct mv88e6xxx_chip *chip = ds->priv;
3505 	int err;
3506 
3507 	mv88e6xxx_reg_lock(chip);
3508 	err = mv88e6xxx_g1_atu_set_age_time(chip, ageing_time);
3509 	mv88e6xxx_reg_unlock(chip);
3510 
3511 	return err;
3512 }
3513 
mv88e6xxx_stats_setup(struct mv88e6xxx_chip * chip)3514 static int mv88e6xxx_stats_setup(struct mv88e6xxx_chip *chip)
3515 {
3516 	int err;
3517 
3518 	/* Initialize the statistics unit */
3519 	if (chip->info->ops->stats_set_histogram) {
3520 		err = chip->info->ops->stats_set_histogram(chip);
3521 		if (err)
3522 			return err;
3523 	}
3524 
3525 	return mv88e6xxx_g1_stats_clear(chip);
3526 }
3527 
3528 /* Check if the errata has already been applied. */
mv88e6390_setup_errata_applied(struct mv88e6xxx_chip * chip)3529 static bool mv88e6390_setup_errata_applied(struct mv88e6xxx_chip *chip)
3530 {
3531 	int port;
3532 	int err;
3533 	u16 val;
3534 
3535 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3536 		err = mv88e6xxx_port_hidden_read(chip, 0xf, port, 0, &val);
3537 		if (err) {
3538 			dev_err(chip->dev,
3539 				"Error reading hidden register: %d\n", err);
3540 			return false;
3541 		}
3542 		if (val != 0x01c0)
3543 			return false;
3544 	}
3545 
3546 	return true;
3547 }
3548 
3549 /* The 6390 copper ports have an errata which require poking magic
3550  * values into undocumented hidden registers and then performing a
3551  * software reset.
3552  */
mv88e6390_setup_errata(struct mv88e6xxx_chip * chip)3553 static int mv88e6390_setup_errata(struct mv88e6xxx_chip *chip)
3554 {
3555 	int port;
3556 	int err;
3557 
3558 	if (mv88e6390_setup_errata_applied(chip))
3559 		return 0;
3560 
3561 	/* Set the ports into blocking mode */
3562 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3563 		err = mv88e6xxx_port_set_state(chip, port, BR_STATE_DISABLED);
3564 		if (err)
3565 			return err;
3566 	}
3567 
3568 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3569 		err = mv88e6xxx_port_hidden_write(chip, 0xf, port, 0, 0x01c0);
3570 		if (err)
3571 			return err;
3572 	}
3573 
3574 	return mv88e6xxx_software_reset(chip);
3575 }
3576 
3577 /* prod_id for switch families which do not have a PHY model number */
3578 static const u16 family_prod_id_table[] = {
3579 	[MV88E6XXX_FAMILY_6341] = MV88E6XXX_PORT_SWITCH_ID_PROD_6341,
3580 	[MV88E6XXX_FAMILY_6390] = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
3581 	[MV88E6XXX_FAMILY_6393] = MV88E6XXX_PORT_SWITCH_ID_PROD_6393X,
3582 };
3583 
mv88e6xxx_mdio_read(struct mii_bus * bus,int phy,int reg)3584 static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
3585 {
3586 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3587 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3588 	u16 prod_id;
3589 	u16 val;
3590 	int err;
3591 
3592 	if (!chip->info->ops->phy_read)
3593 		return -EOPNOTSUPP;
3594 
3595 	mv88e6xxx_reg_lock(chip);
3596 	err = chip->info->ops->phy_read(chip, bus, phy, reg, &val);
3597 	mv88e6xxx_reg_unlock(chip);
3598 
3599 	/* Some internal PHYs don't have a model number. */
3600 	if (reg == MII_PHYSID2 && !(val & 0x3f0) &&
3601 	    chip->info->family < ARRAY_SIZE(family_prod_id_table)) {
3602 		prod_id = family_prod_id_table[chip->info->family];
3603 		if (prod_id)
3604 			val |= prod_id >> 4;
3605 	}
3606 
3607 	return err ? err : val;
3608 }
3609 
mv88e6xxx_mdio_read_c45(struct mii_bus * bus,int phy,int devad,int reg)3610 static int mv88e6xxx_mdio_read_c45(struct mii_bus *bus, int phy, int devad,
3611 				   int reg)
3612 {
3613 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3614 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3615 	u16 val;
3616 	int err;
3617 
3618 	if (!chip->info->ops->phy_read_c45)
3619 		return 0xffff;
3620 
3621 	mv88e6xxx_reg_lock(chip);
3622 	err = chip->info->ops->phy_read_c45(chip, bus, phy, devad, reg, &val);
3623 	mv88e6xxx_reg_unlock(chip);
3624 
3625 	return err ? err : val;
3626 }
3627 
mv88e6xxx_mdio_write(struct mii_bus * bus,int phy,int reg,u16 val)3628 static int mv88e6xxx_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val)
3629 {
3630 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3631 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3632 	int err;
3633 
3634 	if (!chip->info->ops->phy_write)
3635 		return -EOPNOTSUPP;
3636 
3637 	mv88e6xxx_reg_lock(chip);
3638 	err = chip->info->ops->phy_write(chip, bus, phy, reg, val);
3639 	mv88e6xxx_reg_unlock(chip);
3640 
3641 	return err;
3642 }
3643 
mv88e6xxx_mdio_write_c45(struct mii_bus * bus,int phy,int devad,int reg,u16 val)3644 static int mv88e6xxx_mdio_write_c45(struct mii_bus *bus, int phy, int devad,
3645 				    int reg, u16 val)
3646 {
3647 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3648 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3649 	int err;
3650 
3651 	if (!chip->info->ops->phy_write_c45)
3652 		return -EOPNOTSUPP;
3653 
3654 	mv88e6xxx_reg_lock(chip);
3655 	err = chip->info->ops->phy_write_c45(chip, bus, phy, devad, reg, val);
3656 	mv88e6xxx_reg_unlock(chip);
3657 
3658 	return err;
3659 }
3660 
mv88e6xxx_mdio_register(struct mv88e6xxx_chip * chip,struct device_node * np,bool external)3661 static int mv88e6xxx_mdio_register(struct mv88e6xxx_chip *chip,
3662 				   struct device_node *np,
3663 				   bool external)
3664 {
3665 	static int index;
3666 	struct mv88e6xxx_mdio_bus *mdio_bus;
3667 	struct mii_bus *bus;
3668 	int err;
3669 
3670 	if (external) {
3671 		mv88e6xxx_reg_lock(chip);
3672 		err = mv88e6xxx_g2_scratch_gpio_set_smi(chip, true);
3673 		mv88e6xxx_reg_unlock(chip);
3674 
3675 		if (err)
3676 			return err;
3677 	}
3678 
3679 	bus = mdiobus_alloc_size(sizeof(*mdio_bus));
3680 	if (!bus)
3681 		return -ENOMEM;
3682 
3683 	mdio_bus = bus->priv;
3684 	mdio_bus->bus = bus;
3685 	mdio_bus->chip = chip;
3686 	INIT_LIST_HEAD(&mdio_bus->list);
3687 	mdio_bus->external = external;
3688 
3689 	if (np) {
3690 		bus->name = np->full_name;
3691 		snprintf(bus->id, MII_BUS_ID_SIZE, "%pOF", np);
3692 	} else {
3693 		bus->name = "mv88e6xxx SMI";
3694 		snprintf(bus->id, MII_BUS_ID_SIZE, "mv88e6xxx-%d", index++);
3695 	}
3696 
3697 	bus->read = mv88e6xxx_mdio_read;
3698 	bus->write = mv88e6xxx_mdio_write;
3699 	bus->read_c45 = mv88e6xxx_mdio_read_c45;
3700 	bus->write_c45 = mv88e6xxx_mdio_write_c45;
3701 	bus->parent = chip->dev;
3702 	bus->phy_mask = ~GENMASK(chip->info->phy_base_addr +
3703 				 mv88e6xxx_num_ports(chip) - 1,
3704 				 chip->info->phy_base_addr);
3705 
3706 	if (!external) {
3707 		err = mv88e6xxx_g2_irq_mdio_setup(chip, bus);
3708 		if (err)
3709 			goto out;
3710 	}
3711 
3712 	err = of_mdiobus_register(bus, np);
3713 	if (err) {
3714 		dev_err(chip->dev, "Cannot register MDIO bus (%d)\n", err);
3715 		mv88e6xxx_g2_irq_mdio_free(chip, bus);
3716 		goto out;
3717 	}
3718 
3719 	if (external)
3720 		list_add_tail(&mdio_bus->list, &chip->mdios);
3721 	else
3722 		list_add(&mdio_bus->list, &chip->mdios);
3723 
3724 	return 0;
3725 
3726 out:
3727 	mdiobus_free(bus);
3728 	return err;
3729 }
3730 
mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip * chip)3731 static void mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip *chip)
3732 
3733 {
3734 	struct mv88e6xxx_mdio_bus *mdio_bus, *p;
3735 	struct mii_bus *bus;
3736 
3737 	list_for_each_entry_safe(mdio_bus, p, &chip->mdios, list) {
3738 		bus = mdio_bus->bus;
3739 
3740 		if (!mdio_bus->external)
3741 			mv88e6xxx_g2_irq_mdio_free(chip, bus);
3742 
3743 		mdiobus_unregister(bus);
3744 		mdiobus_free(bus);
3745 	}
3746 }
3747 
mv88e6xxx_mdios_register(struct mv88e6xxx_chip * chip)3748 static int mv88e6xxx_mdios_register(struct mv88e6xxx_chip *chip)
3749 {
3750 	struct device_node *np = chip->dev->of_node;
3751 	struct device_node *child;
3752 	int err;
3753 
3754 	/* Always register one mdio bus for the internal/default mdio
3755 	 * bus. This maybe represented in the device tree, but is
3756 	 * optional.
3757 	 */
3758 	child = of_get_child_by_name(np, "mdio");
3759 	err = mv88e6xxx_mdio_register(chip, child, false);
3760 	of_node_put(child);
3761 	if (err)
3762 		return err;
3763 
3764 	/* Walk the device tree, and see if there are any other nodes
3765 	 * which say they are compatible with the external mdio
3766 	 * bus.
3767 	 */
3768 	for_each_available_child_of_node(np, child) {
3769 		if (of_device_is_compatible(
3770 			    child, "marvell,mv88e6xxx-mdio-external")) {
3771 			err = mv88e6xxx_mdio_register(chip, child, true);
3772 			if (err) {
3773 				mv88e6xxx_mdios_unregister(chip);
3774 				of_node_put(child);
3775 				return err;
3776 			}
3777 		}
3778 	}
3779 
3780 	return 0;
3781 }
3782 
mv88e6xxx_teardown(struct dsa_switch * ds)3783 static void mv88e6xxx_teardown(struct dsa_switch *ds)
3784 {
3785 	struct mv88e6xxx_chip *chip = ds->priv;
3786 
3787 	mv88e6xxx_teardown_devlink_params(ds);
3788 	dsa_devlink_resources_unregister(ds);
3789 	mv88e6xxx_teardown_devlink_regions_global(ds);
3790 	mv88e6xxx_mdios_unregister(chip);
3791 }
3792 
mv88e6xxx_setup(struct dsa_switch * ds)3793 static int mv88e6xxx_setup(struct dsa_switch *ds)
3794 {
3795 	struct mv88e6xxx_chip *chip = ds->priv;
3796 	u8 cmode;
3797 	int err;
3798 	int i;
3799 
3800 	err = mv88e6xxx_mdios_register(chip);
3801 	if (err)
3802 		return err;
3803 
3804 	chip->ds = ds;
3805 	ds->slave_mii_bus = mv88e6xxx_default_mdio_bus(chip);
3806 
3807 	/* Since virtual bridges are mapped in the PVT, the number we support
3808 	 * depends on the physical switch topology. We need to let DSA figure
3809 	 * that out and therefore we cannot set this at dsa_register_switch()
3810 	 * time.
3811 	 */
3812 	if (mv88e6xxx_has_pvt(chip))
3813 		ds->max_num_bridges = MV88E6XXX_MAX_PVT_SWITCHES -
3814 				      ds->dst->last_switch - 1;
3815 
3816 	mv88e6xxx_reg_lock(chip);
3817 
3818 	if (chip->info->ops->setup_errata) {
3819 		err = chip->info->ops->setup_errata(chip);
3820 		if (err)
3821 			goto unlock;
3822 	}
3823 
3824 	/* Cache the cmode of each port. */
3825 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
3826 		if (chip->info->ops->port_get_cmode) {
3827 			err = chip->info->ops->port_get_cmode(chip, i, &cmode);
3828 			if (err)
3829 				goto unlock;
3830 
3831 			chip->ports[i].cmode = cmode;
3832 		}
3833 	}
3834 
3835 	err = mv88e6xxx_vtu_setup(chip);
3836 	if (err)
3837 		goto unlock;
3838 
3839 	/* Must be called after mv88e6xxx_vtu_setup (which flushes the
3840 	 * VTU, thereby also flushing the STU).
3841 	 */
3842 	err = mv88e6xxx_stu_setup(chip);
3843 	if (err)
3844 		goto unlock;
3845 
3846 	/* Setup Switch Port Registers */
3847 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
3848 		if (dsa_is_unused_port(ds, i))
3849 			continue;
3850 
3851 		/* Prevent the use of an invalid port. */
3852 		if (mv88e6xxx_is_invalid_port(chip, i)) {
3853 			dev_err(chip->dev, "port %d is invalid\n", i);
3854 			err = -EINVAL;
3855 			goto unlock;
3856 		}
3857 
3858 		err = mv88e6xxx_setup_port(chip, i);
3859 		if (err)
3860 			goto unlock;
3861 	}
3862 
3863 	err = mv88e6xxx_irl_setup(chip);
3864 	if (err)
3865 		goto unlock;
3866 
3867 	err = mv88e6xxx_mac_setup(chip);
3868 	if (err)
3869 		goto unlock;
3870 
3871 	err = mv88e6xxx_phy_setup(chip);
3872 	if (err)
3873 		goto unlock;
3874 
3875 	err = mv88e6xxx_pvt_setup(chip);
3876 	if (err)
3877 		goto unlock;
3878 
3879 	err = mv88e6xxx_atu_setup(chip);
3880 	if (err)
3881 		goto unlock;
3882 
3883 	err = mv88e6xxx_broadcast_setup(chip, 0);
3884 	if (err)
3885 		goto unlock;
3886 
3887 	err = mv88e6xxx_pot_setup(chip);
3888 	if (err)
3889 		goto unlock;
3890 
3891 	err = mv88e6xxx_rmu_setup(chip);
3892 	if (err)
3893 		goto unlock;
3894 
3895 	err = mv88e6xxx_rsvd2cpu_setup(chip);
3896 	if (err)
3897 		goto unlock;
3898 
3899 	err = mv88e6xxx_trunk_setup(chip);
3900 	if (err)
3901 		goto unlock;
3902 
3903 	err = mv88e6xxx_devmap_setup(chip);
3904 	if (err)
3905 		goto unlock;
3906 
3907 	err = mv88e6xxx_pri_setup(chip);
3908 	if (err)
3909 		goto unlock;
3910 
3911 	/* Setup PTP Hardware Clock and timestamping */
3912 	if (chip->info->ptp_support) {
3913 		err = mv88e6xxx_ptp_setup(chip);
3914 		if (err)
3915 			goto unlock;
3916 
3917 		err = mv88e6xxx_hwtstamp_setup(chip);
3918 		if (err)
3919 			goto unlock;
3920 	}
3921 
3922 	err = mv88e6xxx_stats_setup(chip);
3923 	if (err)
3924 		goto unlock;
3925 
3926 unlock:
3927 	mv88e6xxx_reg_unlock(chip);
3928 
3929 	if (err)
3930 		goto out_mdios;
3931 
3932 	/* Have to be called without holding the register lock, since
3933 	 * they take the devlink lock, and we later take the locks in
3934 	 * the reverse order when getting/setting parameters or
3935 	 * resource occupancy.
3936 	 */
3937 	err = mv88e6xxx_setup_devlink_resources(ds);
3938 	if (err)
3939 		goto out_mdios;
3940 
3941 	err = mv88e6xxx_setup_devlink_params(ds);
3942 	if (err)
3943 		goto out_resources;
3944 
3945 	err = mv88e6xxx_setup_devlink_regions_global(ds);
3946 	if (err)
3947 		goto out_params;
3948 
3949 	return 0;
3950 
3951 out_params:
3952 	mv88e6xxx_teardown_devlink_params(ds);
3953 out_resources:
3954 	dsa_devlink_resources_unregister(ds);
3955 out_mdios:
3956 	mv88e6xxx_mdios_unregister(chip);
3957 
3958 	return err;
3959 }
3960 
mv88e6xxx_port_setup(struct dsa_switch * ds,int port)3961 static int mv88e6xxx_port_setup(struct dsa_switch *ds, int port)
3962 {
3963 	struct mv88e6xxx_chip *chip = ds->priv;
3964 	int err;
3965 
3966 	if (chip->info->ops->pcs_ops &&
3967 	    chip->info->ops->pcs_ops->pcs_init) {
3968 		err = chip->info->ops->pcs_ops->pcs_init(chip, port);
3969 		if (err)
3970 			return err;
3971 	}
3972 
3973 	return mv88e6xxx_setup_devlink_regions_port(ds, port);
3974 }
3975 
mv88e6xxx_port_teardown(struct dsa_switch * ds,int port)3976 static void mv88e6xxx_port_teardown(struct dsa_switch *ds, int port)
3977 {
3978 	struct mv88e6xxx_chip *chip = ds->priv;
3979 
3980 	mv88e6xxx_teardown_devlink_regions_port(ds, port);
3981 
3982 	if (chip->info->ops->pcs_ops &&
3983 	    chip->info->ops->pcs_ops->pcs_teardown)
3984 		chip->info->ops->pcs_ops->pcs_teardown(chip, port);
3985 }
3986 
mv88e6xxx_get_eeprom_len(struct dsa_switch * ds)3987 static int mv88e6xxx_get_eeprom_len(struct dsa_switch *ds)
3988 {
3989 	struct mv88e6xxx_chip *chip = ds->priv;
3990 
3991 	return chip->eeprom_len;
3992 }
3993 
mv88e6xxx_get_eeprom(struct dsa_switch * ds,struct ethtool_eeprom * eeprom,u8 * data)3994 static int mv88e6xxx_get_eeprom(struct dsa_switch *ds,
3995 				struct ethtool_eeprom *eeprom, u8 *data)
3996 {
3997 	struct mv88e6xxx_chip *chip = ds->priv;
3998 	int err;
3999 
4000 	if (!chip->info->ops->get_eeprom)
4001 		return -EOPNOTSUPP;
4002 
4003 	mv88e6xxx_reg_lock(chip);
4004 	err = chip->info->ops->get_eeprom(chip, eeprom, data);
4005 	mv88e6xxx_reg_unlock(chip);
4006 
4007 	if (err)
4008 		return err;
4009 
4010 	eeprom->magic = 0xc3ec4951;
4011 
4012 	return 0;
4013 }
4014 
mv88e6xxx_set_eeprom(struct dsa_switch * ds,struct ethtool_eeprom * eeprom,u8 * data)4015 static int mv88e6xxx_set_eeprom(struct dsa_switch *ds,
4016 				struct ethtool_eeprom *eeprom, u8 *data)
4017 {
4018 	struct mv88e6xxx_chip *chip = ds->priv;
4019 	int err;
4020 
4021 	if (!chip->info->ops->set_eeprom)
4022 		return -EOPNOTSUPP;
4023 
4024 	if (eeprom->magic != 0xc3ec4951)
4025 		return -EINVAL;
4026 
4027 	mv88e6xxx_reg_lock(chip);
4028 	err = chip->info->ops->set_eeprom(chip, eeprom, data);
4029 	mv88e6xxx_reg_unlock(chip);
4030 
4031 	return err;
4032 }
4033 
4034 static const struct mv88e6xxx_ops mv88e6085_ops = {
4035 	/* MV88E6XXX_FAMILY_6097 */
4036 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4037 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4038 	.irl_init_all = mv88e6352_g2_irl_init_all,
4039 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4040 	.phy_read = mv88e6185_phy_ppu_read,
4041 	.phy_write = mv88e6185_phy_ppu_write,
4042 	.port_set_link = mv88e6xxx_port_set_link,
4043 	.port_sync_link = mv88e6xxx_port_sync_link,
4044 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4045 	.port_tag_remap = mv88e6095_port_tag_remap,
4046 	.port_set_policy = mv88e6352_port_set_policy,
4047 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4048 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4049 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4050 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4051 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4052 	.port_pause_limit = mv88e6097_port_pause_limit,
4053 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4054 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4055 	.port_get_cmode = mv88e6185_port_get_cmode,
4056 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4057 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4058 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4059 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4060 	.stats_get_strings = mv88e6095_stats_get_strings,
4061 	.stats_get_stats = mv88e6095_stats_get_stats,
4062 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4063 	.set_egress_port = mv88e6095_g1_set_egress_port,
4064 	.watchdog_ops = &mv88e6097_watchdog_ops,
4065 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4066 	.pot_clear = mv88e6xxx_g2_pot_clear,
4067 	.ppu_enable = mv88e6185_g1_ppu_enable,
4068 	.ppu_disable = mv88e6185_g1_ppu_disable,
4069 	.reset = mv88e6185_g1_reset,
4070 	.rmu_disable = mv88e6085_g1_rmu_disable,
4071 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4072 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4073 	.stu_getnext = mv88e6352_g1_stu_getnext,
4074 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4075 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4076 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4077 };
4078 
4079 static const struct mv88e6xxx_ops mv88e6095_ops = {
4080 	/* MV88E6XXX_FAMILY_6095 */
4081 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4082 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4083 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4084 	.phy_read = mv88e6185_phy_ppu_read,
4085 	.phy_write = mv88e6185_phy_ppu_write,
4086 	.port_set_link = mv88e6xxx_port_set_link,
4087 	.port_sync_link = mv88e6185_port_sync_link,
4088 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4089 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
4090 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
4091 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
4092 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
4093 	.port_get_cmode = mv88e6185_port_get_cmode,
4094 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4095 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4096 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4097 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4098 	.stats_get_strings = mv88e6095_stats_get_strings,
4099 	.stats_get_stats = mv88e6095_stats_get_stats,
4100 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
4101 	.ppu_enable = mv88e6185_g1_ppu_enable,
4102 	.ppu_disable = mv88e6185_g1_ppu_disable,
4103 	.reset = mv88e6185_g1_reset,
4104 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4105 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4106 	.phylink_get_caps = mv88e6095_phylink_get_caps,
4107 	.pcs_ops = &mv88e6185_pcs_ops,
4108 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4109 };
4110 
4111 static const struct mv88e6xxx_ops mv88e6097_ops = {
4112 	/* MV88E6XXX_FAMILY_6097 */
4113 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4114 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4115 	.irl_init_all = mv88e6352_g2_irl_init_all,
4116 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4117 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4118 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4119 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4120 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4121 	.port_set_link = mv88e6xxx_port_set_link,
4122 	.port_sync_link = mv88e6185_port_sync_link,
4123 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4124 	.port_tag_remap = mv88e6095_port_tag_remap,
4125 	.port_set_policy = mv88e6352_port_set_policy,
4126 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4127 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4128 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4129 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4130 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
4131 	.port_pause_limit = mv88e6097_port_pause_limit,
4132 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4133 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4134 	.port_get_cmode = mv88e6185_port_get_cmode,
4135 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4136 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4137 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4138 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4139 	.stats_get_strings = mv88e6095_stats_get_strings,
4140 	.stats_get_stats = mv88e6095_stats_get_stats,
4141 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4142 	.set_egress_port = mv88e6095_g1_set_egress_port,
4143 	.watchdog_ops = &mv88e6097_watchdog_ops,
4144 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4145 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4146 	.pot_clear = mv88e6xxx_g2_pot_clear,
4147 	.reset = mv88e6352_g1_reset,
4148 	.rmu_disable = mv88e6085_g1_rmu_disable,
4149 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4150 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4151 	.phylink_get_caps = mv88e6095_phylink_get_caps,
4152 	.pcs_ops = &mv88e6185_pcs_ops,
4153 	.stu_getnext = mv88e6352_g1_stu_getnext,
4154 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4155 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4156 };
4157 
4158 static const struct mv88e6xxx_ops mv88e6123_ops = {
4159 	/* MV88E6XXX_FAMILY_6165 */
4160 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4161 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4162 	.irl_init_all = mv88e6352_g2_irl_init_all,
4163 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4164 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4165 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4166 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4167 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4168 	.port_set_link = mv88e6xxx_port_set_link,
4169 	.port_sync_link = mv88e6xxx_port_sync_link,
4170 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4171 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
4172 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4173 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4174 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4175 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4176 	.port_get_cmode = mv88e6185_port_get_cmode,
4177 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4178 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4179 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4180 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4181 	.stats_get_strings = mv88e6095_stats_get_strings,
4182 	.stats_get_stats = mv88e6095_stats_get_stats,
4183 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4184 	.set_egress_port = mv88e6095_g1_set_egress_port,
4185 	.watchdog_ops = &mv88e6097_watchdog_ops,
4186 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4187 	.pot_clear = mv88e6xxx_g2_pot_clear,
4188 	.reset = mv88e6352_g1_reset,
4189 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4190 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4191 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4192 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4193 	.stu_getnext = mv88e6352_g1_stu_getnext,
4194 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4195 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4196 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4197 };
4198 
4199 static const struct mv88e6xxx_ops mv88e6131_ops = {
4200 	/* MV88E6XXX_FAMILY_6185 */
4201 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4202 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4203 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4204 	.phy_read = mv88e6185_phy_ppu_read,
4205 	.phy_write = mv88e6185_phy_ppu_write,
4206 	.port_set_link = mv88e6xxx_port_set_link,
4207 	.port_sync_link = mv88e6xxx_port_sync_link,
4208 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4209 	.port_tag_remap = mv88e6095_port_tag_remap,
4210 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4211 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
4212 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
4213 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4214 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
4215 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4216 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4217 	.port_pause_limit = mv88e6097_port_pause_limit,
4218 	.port_set_pause = mv88e6185_port_set_pause,
4219 	.port_get_cmode = mv88e6185_port_get_cmode,
4220 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4221 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4222 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4223 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4224 	.stats_get_strings = mv88e6095_stats_get_strings,
4225 	.stats_get_stats = mv88e6095_stats_get_stats,
4226 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4227 	.set_egress_port = mv88e6095_g1_set_egress_port,
4228 	.watchdog_ops = &mv88e6097_watchdog_ops,
4229 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
4230 	.ppu_enable = mv88e6185_g1_ppu_enable,
4231 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
4232 	.ppu_disable = mv88e6185_g1_ppu_disable,
4233 	.reset = mv88e6185_g1_reset,
4234 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4235 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4236 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4237 };
4238 
4239 static const struct mv88e6xxx_ops mv88e6141_ops = {
4240 	/* MV88E6XXX_FAMILY_6341 */
4241 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4242 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4243 	.irl_init_all = mv88e6352_g2_irl_init_all,
4244 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4245 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4246 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4247 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4248 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4249 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4250 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4251 	.port_set_link = mv88e6xxx_port_set_link,
4252 	.port_sync_link = mv88e6xxx_port_sync_link,
4253 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4254 	.port_set_speed_duplex = mv88e6341_port_set_speed_duplex,
4255 	.port_max_speed_mode = mv88e6341_port_max_speed_mode,
4256 	.port_tag_remap = mv88e6095_port_tag_remap,
4257 	.port_set_policy = mv88e6352_port_set_policy,
4258 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4259 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4260 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4261 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4262 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4263 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4264 	.port_pause_limit = mv88e6097_port_pause_limit,
4265 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4266 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4267 	.port_get_cmode = mv88e6352_port_get_cmode,
4268 	.port_set_cmode = mv88e6341_port_set_cmode,
4269 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4270 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4271 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4272 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4273 	.stats_get_strings = mv88e6320_stats_get_strings,
4274 	.stats_get_stats = mv88e6390_stats_get_stats,
4275 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4276 	.set_egress_port = mv88e6390_g1_set_egress_port,
4277 	.watchdog_ops = &mv88e6390_watchdog_ops,
4278 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
4279 	.pot_clear = mv88e6xxx_g2_pot_clear,
4280 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4281 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4282 	.reset = mv88e6352_g1_reset,
4283 	.rmu_disable = mv88e6390_g1_rmu_disable,
4284 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4285 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4286 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4287 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4288 	.stu_getnext = mv88e6352_g1_stu_getnext,
4289 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4290 	.serdes_get_lane = mv88e6341_serdes_get_lane,
4291 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4292 	.gpio_ops = &mv88e6352_gpio_ops,
4293 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
4294 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4295 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4296 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4297 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4298 	.phylink_get_caps = mv88e6341_phylink_get_caps,
4299 	.pcs_ops = &mv88e6390_pcs_ops,
4300 };
4301 
4302 static const struct mv88e6xxx_ops mv88e6161_ops = {
4303 	/* MV88E6XXX_FAMILY_6165 */
4304 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4305 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4306 	.irl_init_all = mv88e6352_g2_irl_init_all,
4307 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4308 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4309 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4310 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4311 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4312 	.port_set_link = mv88e6xxx_port_set_link,
4313 	.port_sync_link = mv88e6xxx_port_sync_link,
4314 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4315 	.port_tag_remap = mv88e6095_port_tag_remap,
4316 	.port_set_policy = mv88e6352_port_set_policy,
4317 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4318 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4319 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4320 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4321 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4322 	.port_pause_limit = mv88e6097_port_pause_limit,
4323 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4324 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4325 	.port_get_cmode = mv88e6185_port_get_cmode,
4326 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4327 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4328 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4329 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4330 	.stats_get_strings = mv88e6095_stats_get_strings,
4331 	.stats_get_stats = mv88e6095_stats_get_stats,
4332 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4333 	.set_egress_port = mv88e6095_g1_set_egress_port,
4334 	.watchdog_ops = &mv88e6097_watchdog_ops,
4335 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4336 	.pot_clear = mv88e6xxx_g2_pot_clear,
4337 	.reset = mv88e6352_g1_reset,
4338 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4339 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4340 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4341 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4342 	.stu_getnext = mv88e6352_g1_stu_getnext,
4343 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4344 	.avb_ops = &mv88e6165_avb_ops,
4345 	.ptp_ops = &mv88e6165_ptp_ops,
4346 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4347 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4348 };
4349 
4350 static const struct mv88e6xxx_ops mv88e6165_ops = {
4351 	/* MV88E6XXX_FAMILY_6165 */
4352 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4353 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4354 	.irl_init_all = mv88e6352_g2_irl_init_all,
4355 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4356 	.phy_read = mv88e6165_phy_read,
4357 	.phy_write = mv88e6165_phy_write,
4358 	.port_set_link = mv88e6xxx_port_set_link,
4359 	.port_sync_link = mv88e6xxx_port_sync_link,
4360 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4361 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4362 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4363 	.port_get_cmode = mv88e6185_port_get_cmode,
4364 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4365 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4366 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4367 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4368 	.stats_get_strings = mv88e6095_stats_get_strings,
4369 	.stats_get_stats = mv88e6095_stats_get_stats,
4370 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4371 	.set_egress_port = mv88e6095_g1_set_egress_port,
4372 	.watchdog_ops = &mv88e6097_watchdog_ops,
4373 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4374 	.pot_clear = mv88e6xxx_g2_pot_clear,
4375 	.reset = mv88e6352_g1_reset,
4376 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4377 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4378 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4379 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4380 	.stu_getnext = mv88e6352_g1_stu_getnext,
4381 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4382 	.avb_ops = &mv88e6165_avb_ops,
4383 	.ptp_ops = &mv88e6165_ptp_ops,
4384 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4385 };
4386 
4387 static const struct mv88e6xxx_ops mv88e6171_ops = {
4388 	/* MV88E6XXX_FAMILY_6351 */
4389 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4390 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4391 	.irl_init_all = mv88e6352_g2_irl_init_all,
4392 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4393 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4394 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4395 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4396 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4397 	.port_set_link = mv88e6xxx_port_set_link,
4398 	.port_sync_link = mv88e6xxx_port_sync_link,
4399 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4400 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4401 	.port_tag_remap = mv88e6095_port_tag_remap,
4402 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4403 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4404 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4405 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4406 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4407 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4408 	.port_pause_limit = mv88e6097_port_pause_limit,
4409 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4410 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4411 	.port_get_cmode = mv88e6352_port_get_cmode,
4412 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4413 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4414 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4415 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4416 	.stats_get_strings = mv88e6095_stats_get_strings,
4417 	.stats_get_stats = mv88e6095_stats_get_stats,
4418 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4419 	.set_egress_port = mv88e6095_g1_set_egress_port,
4420 	.watchdog_ops = &mv88e6097_watchdog_ops,
4421 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4422 	.pot_clear = mv88e6xxx_g2_pot_clear,
4423 	.reset = mv88e6352_g1_reset,
4424 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4425 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4426 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4427 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4428 	.stu_getnext = mv88e6352_g1_stu_getnext,
4429 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4430 	.phylink_get_caps = mv88e6351_phylink_get_caps,
4431 };
4432 
4433 static const struct mv88e6xxx_ops mv88e6172_ops = {
4434 	/* MV88E6XXX_FAMILY_6352 */
4435 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4436 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4437 	.irl_init_all = mv88e6352_g2_irl_init_all,
4438 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4439 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4440 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4441 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4442 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4443 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4444 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4445 	.port_set_link = mv88e6xxx_port_set_link,
4446 	.port_sync_link = mv88e6xxx_port_sync_link,
4447 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4448 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4449 	.port_tag_remap = mv88e6095_port_tag_remap,
4450 	.port_set_policy = mv88e6352_port_set_policy,
4451 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4452 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4453 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4454 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4455 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4456 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4457 	.port_pause_limit = mv88e6097_port_pause_limit,
4458 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4459 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4460 	.port_get_cmode = mv88e6352_port_get_cmode,
4461 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4462 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4463 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4464 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4465 	.stats_get_strings = mv88e6095_stats_get_strings,
4466 	.stats_get_stats = mv88e6095_stats_get_stats,
4467 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4468 	.set_egress_port = mv88e6095_g1_set_egress_port,
4469 	.watchdog_ops = &mv88e6097_watchdog_ops,
4470 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4471 	.pot_clear = mv88e6xxx_g2_pot_clear,
4472 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4473 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4474 	.reset = mv88e6352_g1_reset,
4475 	.rmu_disable = mv88e6352_g1_rmu_disable,
4476 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4477 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4478 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4479 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4480 	.stu_getnext = mv88e6352_g1_stu_getnext,
4481 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4482 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
4483 	.serdes_get_regs = mv88e6352_serdes_get_regs,
4484 	.gpio_ops = &mv88e6352_gpio_ops,
4485 	.phylink_get_caps = mv88e6352_phylink_get_caps,
4486 	.pcs_ops = &mv88e6352_pcs_ops,
4487 };
4488 
4489 static const struct mv88e6xxx_ops mv88e6175_ops = {
4490 	/* MV88E6XXX_FAMILY_6351 */
4491 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4492 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4493 	.irl_init_all = mv88e6352_g2_irl_init_all,
4494 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4495 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4496 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4497 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4498 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4499 	.port_set_link = mv88e6xxx_port_set_link,
4500 	.port_sync_link = mv88e6xxx_port_sync_link,
4501 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4502 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4503 	.port_tag_remap = mv88e6095_port_tag_remap,
4504 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4505 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4506 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4507 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4508 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4509 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4510 	.port_pause_limit = mv88e6097_port_pause_limit,
4511 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4512 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4513 	.port_get_cmode = mv88e6352_port_get_cmode,
4514 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4515 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4516 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4517 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4518 	.stats_get_strings = mv88e6095_stats_get_strings,
4519 	.stats_get_stats = mv88e6095_stats_get_stats,
4520 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4521 	.set_egress_port = mv88e6095_g1_set_egress_port,
4522 	.watchdog_ops = &mv88e6097_watchdog_ops,
4523 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4524 	.pot_clear = mv88e6xxx_g2_pot_clear,
4525 	.reset = mv88e6352_g1_reset,
4526 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4527 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4528 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4529 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4530 	.stu_getnext = mv88e6352_g1_stu_getnext,
4531 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4532 	.phylink_get_caps = mv88e6351_phylink_get_caps,
4533 };
4534 
4535 static const struct mv88e6xxx_ops mv88e6176_ops = {
4536 	/* MV88E6XXX_FAMILY_6352 */
4537 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4538 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4539 	.irl_init_all = mv88e6352_g2_irl_init_all,
4540 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4541 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4542 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4543 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4544 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4545 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4546 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4547 	.port_set_link = mv88e6xxx_port_set_link,
4548 	.port_sync_link = mv88e6xxx_port_sync_link,
4549 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4550 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4551 	.port_tag_remap = mv88e6095_port_tag_remap,
4552 	.port_set_policy = mv88e6352_port_set_policy,
4553 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4554 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4555 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4556 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4557 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4558 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4559 	.port_pause_limit = mv88e6097_port_pause_limit,
4560 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4561 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4562 	.port_get_cmode = mv88e6352_port_get_cmode,
4563 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4564 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4565 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4566 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4567 	.stats_get_strings = mv88e6095_stats_get_strings,
4568 	.stats_get_stats = mv88e6095_stats_get_stats,
4569 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4570 	.set_egress_port = mv88e6095_g1_set_egress_port,
4571 	.watchdog_ops = &mv88e6097_watchdog_ops,
4572 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4573 	.pot_clear = mv88e6xxx_g2_pot_clear,
4574 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4575 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4576 	.reset = mv88e6352_g1_reset,
4577 	.rmu_disable = mv88e6352_g1_rmu_disable,
4578 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4579 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4580 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4581 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4582 	.stu_getnext = mv88e6352_g1_stu_getnext,
4583 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4584 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
4585 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
4586 	.serdes_get_regs = mv88e6352_serdes_get_regs,
4587 	.serdes_set_tx_amplitude = mv88e6352_serdes_set_tx_amplitude,
4588 	.gpio_ops = &mv88e6352_gpio_ops,
4589 	.phylink_get_caps = mv88e6352_phylink_get_caps,
4590 	.pcs_ops = &mv88e6352_pcs_ops,
4591 };
4592 
4593 static const struct mv88e6xxx_ops mv88e6185_ops = {
4594 	/* MV88E6XXX_FAMILY_6185 */
4595 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4596 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4597 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4598 	.phy_read = mv88e6185_phy_ppu_read,
4599 	.phy_write = mv88e6185_phy_ppu_write,
4600 	.port_set_link = mv88e6xxx_port_set_link,
4601 	.port_sync_link = mv88e6185_port_sync_link,
4602 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4603 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
4604 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
4605 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
4606 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
4607 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
4608 	.port_set_pause = mv88e6185_port_set_pause,
4609 	.port_get_cmode = mv88e6185_port_get_cmode,
4610 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4611 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4612 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4613 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4614 	.stats_get_strings = mv88e6095_stats_get_strings,
4615 	.stats_get_stats = mv88e6095_stats_get_stats,
4616 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4617 	.set_egress_port = mv88e6095_g1_set_egress_port,
4618 	.watchdog_ops = &mv88e6097_watchdog_ops,
4619 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
4620 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
4621 	.ppu_enable = mv88e6185_g1_ppu_enable,
4622 	.ppu_disable = mv88e6185_g1_ppu_disable,
4623 	.reset = mv88e6185_g1_reset,
4624 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4625 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4626 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4627 	.pcs_ops = &mv88e6185_pcs_ops,
4628 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4629 };
4630 
4631 static const struct mv88e6xxx_ops mv88e6190_ops = {
4632 	/* MV88E6XXX_FAMILY_6390 */
4633 	.setup_errata = mv88e6390_setup_errata,
4634 	.irl_init_all = mv88e6390_g2_irl_init_all,
4635 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4636 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4637 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4638 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4639 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4640 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4641 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4642 	.port_set_link = mv88e6xxx_port_set_link,
4643 	.port_sync_link = mv88e6xxx_port_sync_link,
4644 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4645 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
4646 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4647 	.port_tag_remap = mv88e6390_port_tag_remap,
4648 	.port_set_policy = mv88e6352_port_set_policy,
4649 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4650 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4651 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4652 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4653 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4654 	.port_pause_limit = mv88e6390_port_pause_limit,
4655 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4656 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4657 	.port_get_cmode = mv88e6352_port_get_cmode,
4658 	.port_set_cmode = mv88e6390_port_set_cmode,
4659 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4660 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4661 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4662 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4663 	.stats_get_strings = mv88e6320_stats_get_strings,
4664 	.stats_get_stats = mv88e6390_stats_get_stats,
4665 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4666 	.set_egress_port = mv88e6390_g1_set_egress_port,
4667 	.watchdog_ops = &mv88e6390_watchdog_ops,
4668 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4669 	.pot_clear = mv88e6xxx_g2_pot_clear,
4670 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4671 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4672 	.reset = mv88e6352_g1_reset,
4673 	.rmu_disable = mv88e6390_g1_rmu_disable,
4674 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4675 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4676 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4677 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4678 	.stu_getnext = mv88e6390_g1_stu_getnext,
4679 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
4680 	.serdes_get_lane = mv88e6390_serdes_get_lane,
4681 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4682 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4683 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4684 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4685 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4686 	.gpio_ops = &mv88e6352_gpio_ops,
4687 	.phylink_get_caps = mv88e6390_phylink_get_caps,
4688 	.pcs_ops = &mv88e6390_pcs_ops,
4689 };
4690 
4691 static const struct mv88e6xxx_ops mv88e6190x_ops = {
4692 	/* MV88E6XXX_FAMILY_6390 */
4693 	.setup_errata = mv88e6390_setup_errata,
4694 	.irl_init_all = mv88e6390_g2_irl_init_all,
4695 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4696 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4697 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4698 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4699 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4700 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4701 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4702 	.port_set_link = mv88e6xxx_port_set_link,
4703 	.port_sync_link = mv88e6xxx_port_sync_link,
4704 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4705 	.port_set_speed_duplex = mv88e6390x_port_set_speed_duplex,
4706 	.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
4707 	.port_tag_remap = mv88e6390_port_tag_remap,
4708 	.port_set_policy = mv88e6352_port_set_policy,
4709 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4710 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4711 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4712 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4713 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4714 	.port_pause_limit = mv88e6390_port_pause_limit,
4715 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4716 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4717 	.port_get_cmode = mv88e6352_port_get_cmode,
4718 	.port_set_cmode = mv88e6390x_port_set_cmode,
4719 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4720 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4721 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4722 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4723 	.stats_get_strings = mv88e6320_stats_get_strings,
4724 	.stats_get_stats = mv88e6390_stats_get_stats,
4725 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4726 	.set_egress_port = mv88e6390_g1_set_egress_port,
4727 	.watchdog_ops = &mv88e6390_watchdog_ops,
4728 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4729 	.pot_clear = mv88e6xxx_g2_pot_clear,
4730 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4731 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4732 	.reset = mv88e6352_g1_reset,
4733 	.rmu_disable = mv88e6390_g1_rmu_disable,
4734 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4735 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4736 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4737 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4738 	.stu_getnext = mv88e6390_g1_stu_getnext,
4739 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
4740 	.serdes_get_lane = mv88e6390x_serdes_get_lane,
4741 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4742 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4743 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4744 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4745 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4746 	.gpio_ops = &mv88e6352_gpio_ops,
4747 	.phylink_get_caps = mv88e6390x_phylink_get_caps,
4748 	.pcs_ops = &mv88e6390_pcs_ops,
4749 };
4750 
4751 static const struct mv88e6xxx_ops mv88e6191_ops = {
4752 	/* MV88E6XXX_FAMILY_6390 */
4753 	.setup_errata = mv88e6390_setup_errata,
4754 	.irl_init_all = mv88e6390_g2_irl_init_all,
4755 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4756 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4757 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4758 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4759 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4760 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4761 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4762 	.port_set_link = mv88e6xxx_port_set_link,
4763 	.port_sync_link = mv88e6xxx_port_sync_link,
4764 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4765 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
4766 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4767 	.port_tag_remap = mv88e6390_port_tag_remap,
4768 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4769 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4770 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4771 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4772 	.port_pause_limit = mv88e6390_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_set_cmode = mv88e6390_port_set_cmode,
4777 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4778 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4779 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4780 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4781 	.stats_get_strings = mv88e6320_stats_get_strings,
4782 	.stats_get_stats = mv88e6390_stats_get_stats,
4783 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4784 	.set_egress_port = mv88e6390_g1_set_egress_port,
4785 	.watchdog_ops = &mv88e6390_watchdog_ops,
4786 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4787 	.pot_clear = mv88e6xxx_g2_pot_clear,
4788 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4789 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4790 	.reset = mv88e6352_g1_reset,
4791 	.rmu_disable = mv88e6390_g1_rmu_disable,
4792 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4793 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4794 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4795 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4796 	.stu_getnext = mv88e6390_g1_stu_getnext,
4797 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
4798 	.serdes_get_lane = mv88e6390_serdes_get_lane,
4799 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4800 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4801 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4802 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4803 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4804 	.avb_ops = &mv88e6390_avb_ops,
4805 	.ptp_ops = &mv88e6352_ptp_ops,
4806 	.phylink_get_caps = mv88e6390_phylink_get_caps,
4807 	.pcs_ops = &mv88e6390_pcs_ops,
4808 };
4809 
4810 static const struct mv88e6xxx_ops mv88e6240_ops = {
4811 	/* MV88E6XXX_FAMILY_6352 */
4812 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4813 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4814 	.irl_init_all = mv88e6352_g2_irl_init_all,
4815 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4816 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4817 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4818 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4819 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4820 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4821 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4822 	.port_set_link = mv88e6xxx_port_set_link,
4823 	.port_sync_link = mv88e6xxx_port_sync_link,
4824 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4825 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4826 	.port_tag_remap = mv88e6095_port_tag_remap,
4827 	.port_set_policy = mv88e6352_port_set_policy,
4828 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4829 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4830 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4831 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4832 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4833 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4834 	.port_pause_limit = mv88e6097_port_pause_limit,
4835 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4836 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4837 	.port_get_cmode = mv88e6352_port_get_cmode,
4838 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4839 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4840 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4841 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4842 	.stats_get_strings = mv88e6095_stats_get_strings,
4843 	.stats_get_stats = mv88e6095_stats_get_stats,
4844 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4845 	.set_egress_port = mv88e6095_g1_set_egress_port,
4846 	.watchdog_ops = &mv88e6097_watchdog_ops,
4847 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4848 	.pot_clear = mv88e6xxx_g2_pot_clear,
4849 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4850 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4851 	.reset = mv88e6352_g1_reset,
4852 	.rmu_disable = mv88e6352_g1_rmu_disable,
4853 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4854 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4855 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4856 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4857 	.stu_getnext = mv88e6352_g1_stu_getnext,
4858 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4859 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
4860 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
4861 	.serdes_get_regs = mv88e6352_serdes_get_regs,
4862 	.serdes_set_tx_amplitude = mv88e6352_serdes_set_tx_amplitude,
4863 	.gpio_ops = &mv88e6352_gpio_ops,
4864 	.avb_ops = &mv88e6352_avb_ops,
4865 	.ptp_ops = &mv88e6352_ptp_ops,
4866 	.phylink_get_caps = mv88e6352_phylink_get_caps,
4867 	.pcs_ops = &mv88e6352_pcs_ops,
4868 };
4869 
4870 static const struct mv88e6xxx_ops mv88e6250_ops = {
4871 	/* MV88E6XXX_FAMILY_6250 */
4872 	.ieee_pri_map = mv88e6250_g1_ieee_pri_map,
4873 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4874 	.irl_init_all = mv88e6352_g2_irl_init_all,
4875 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4876 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4877 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4878 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4879 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4880 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4881 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4882 	.port_set_link = mv88e6xxx_port_set_link,
4883 	.port_sync_link = mv88e6xxx_port_sync_link,
4884 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4885 	.port_set_speed_duplex = mv88e6250_port_set_speed_duplex,
4886 	.port_tag_remap = mv88e6095_port_tag_remap,
4887 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4888 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4889 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4890 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4891 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4892 	.port_pause_limit = mv88e6097_port_pause_limit,
4893 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4894 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4895 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4896 	.stats_get_sset_count = mv88e6250_stats_get_sset_count,
4897 	.stats_get_strings = mv88e6250_stats_get_strings,
4898 	.stats_get_stats = mv88e6250_stats_get_stats,
4899 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4900 	.set_egress_port = mv88e6095_g1_set_egress_port,
4901 	.watchdog_ops = &mv88e6250_watchdog_ops,
4902 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4903 	.pot_clear = mv88e6xxx_g2_pot_clear,
4904 	.hardware_reset_pre = mv88e6250_g1_wait_eeprom_done_prereset,
4905 	.hardware_reset_post = mv88e6xxx_g1_wait_eeprom_done,
4906 	.reset = mv88e6250_g1_reset,
4907 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4908 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4909 	.avb_ops = &mv88e6352_avb_ops,
4910 	.ptp_ops = &mv88e6250_ptp_ops,
4911 	.phylink_get_caps = mv88e6250_phylink_get_caps,
4912 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4913 };
4914 
4915 static const struct mv88e6xxx_ops mv88e6290_ops = {
4916 	/* MV88E6XXX_FAMILY_6390 */
4917 	.setup_errata = mv88e6390_setup_errata,
4918 	.irl_init_all = mv88e6390_g2_irl_init_all,
4919 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4920 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4921 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4922 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4923 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4924 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4925 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4926 	.port_set_link = mv88e6xxx_port_set_link,
4927 	.port_sync_link = mv88e6xxx_port_sync_link,
4928 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4929 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
4930 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4931 	.port_tag_remap = mv88e6390_port_tag_remap,
4932 	.port_set_policy = mv88e6352_port_set_policy,
4933 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4934 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4935 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4936 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4937 	.port_pause_limit = mv88e6390_port_pause_limit,
4938 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4939 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4940 	.port_get_cmode = mv88e6352_port_get_cmode,
4941 	.port_set_cmode = mv88e6390_port_set_cmode,
4942 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4943 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4944 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4945 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4946 	.stats_get_strings = mv88e6320_stats_get_strings,
4947 	.stats_get_stats = mv88e6390_stats_get_stats,
4948 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4949 	.set_egress_port = mv88e6390_g1_set_egress_port,
4950 	.watchdog_ops = &mv88e6390_watchdog_ops,
4951 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4952 	.pot_clear = mv88e6xxx_g2_pot_clear,
4953 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4954 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4955 	.reset = mv88e6352_g1_reset,
4956 	.rmu_disable = mv88e6390_g1_rmu_disable,
4957 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4958 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4959 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4960 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4961 	.stu_getnext = mv88e6390_g1_stu_getnext,
4962 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
4963 	.serdes_get_lane = mv88e6390_serdes_get_lane,
4964 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4965 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4966 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4967 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4968 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4969 	.gpio_ops = &mv88e6352_gpio_ops,
4970 	.avb_ops = &mv88e6390_avb_ops,
4971 	.ptp_ops = &mv88e6390_ptp_ops,
4972 	.phylink_get_caps = mv88e6390_phylink_get_caps,
4973 	.pcs_ops = &mv88e6390_pcs_ops,
4974 };
4975 
4976 static const struct mv88e6xxx_ops mv88e6320_ops = {
4977 	/* MV88E6XXX_FAMILY_6320 */
4978 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4979 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4980 	.irl_init_all = mv88e6352_g2_irl_init_all,
4981 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4982 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4983 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4984 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4985 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4986 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4987 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4988 	.port_set_link = mv88e6xxx_port_set_link,
4989 	.port_sync_link = mv88e6xxx_port_sync_link,
4990 	.port_set_rgmii_delay = mv88e6320_port_set_rgmii_delay,
4991 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4992 	.port_tag_remap = mv88e6095_port_tag_remap,
4993 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4994 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4995 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4996 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4997 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4998 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4999 	.port_pause_limit = mv88e6097_port_pause_limit,
5000 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5001 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5002 	.port_get_cmode = mv88e6352_port_get_cmode,
5003 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5004 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5005 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5006 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5007 	.stats_get_strings = mv88e6320_stats_get_strings,
5008 	.stats_get_stats = mv88e6320_stats_get_stats,
5009 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5010 	.set_egress_port = mv88e6095_g1_set_egress_port,
5011 	.watchdog_ops = &mv88e6390_watchdog_ops,
5012 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5013 	.pot_clear = mv88e6xxx_g2_pot_clear,
5014 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5015 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5016 	.reset = mv88e6352_g1_reset,
5017 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
5018 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
5019 	.gpio_ops = &mv88e6352_gpio_ops,
5020 	.avb_ops = &mv88e6352_avb_ops,
5021 	.ptp_ops = &mv88e6352_ptp_ops,
5022 	.phylink_get_caps = mv88e632x_phylink_get_caps,
5023 };
5024 
5025 static const struct mv88e6xxx_ops mv88e6321_ops = {
5026 	/* MV88E6XXX_FAMILY_6320 */
5027 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5028 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5029 	.irl_init_all = mv88e6352_g2_irl_init_all,
5030 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
5031 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
5032 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5033 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5034 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5035 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5036 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5037 	.port_set_link = mv88e6xxx_port_set_link,
5038 	.port_sync_link = mv88e6xxx_port_sync_link,
5039 	.port_set_rgmii_delay = mv88e6320_port_set_rgmii_delay,
5040 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5041 	.port_tag_remap = mv88e6095_port_tag_remap,
5042 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5043 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5044 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5045 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5046 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5047 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5048 	.port_pause_limit = mv88e6097_port_pause_limit,
5049 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5050 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5051 	.port_get_cmode = mv88e6352_port_get_cmode,
5052 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5053 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5054 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5055 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5056 	.stats_get_strings = mv88e6320_stats_get_strings,
5057 	.stats_get_stats = mv88e6320_stats_get_stats,
5058 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5059 	.set_egress_port = mv88e6095_g1_set_egress_port,
5060 	.watchdog_ops = &mv88e6390_watchdog_ops,
5061 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5062 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5063 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5064 	.reset = mv88e6352_g1_reset,
5065 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
5066 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
5067 	.gpio_ops = &mv88e6352_gpio_ops,
5068 	.avb_ops = &mv88e6352_avb_ops,
5069 	.ptp_ops = &mv88e6352_ptp_ops,
5070 	.phylink_get_caps = mv88e632x_phylink_get_caps,
5071 };
5072 
5073 static const struct mv88e6xxx_ops mv88e6341_ops = {
5074 	/* MV88E6XXX_FAMILY_6341 */
5075 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5076 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5077 	.irl_init_all = mv88e6352_g2_irl_init_all,
5078 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5079 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5080 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5081 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5082 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5083 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5084 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5085 	.port_set_link = mv88e6xxx_port_set_link,
5086 	.port_sync_link = mv88e6xxx_port_sync_link,
5087 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5088 	.port_set_speed_duplex = mv88e6341_port_set_speed_duplex,
5089 	.port_max_speed_mode = mv88e6341_port_max_speed_mode,
5090 	.port_tag_remap = mv88e6095_port_tag_remap,
5091 	.port_set_policy = mv88e6352_port_set_policy,
5092 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5093 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5094 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5095 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5096 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5097 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5098 	.port_pause_limit = mv88e6097_port_pause_limit,
5099 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5100 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5101 	.port_get_cmode = mv88e6352_port_get_cmode,
5102 	.port_set_cmode = mv88e6341_port_set_cmode,
5103 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5104 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5105 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5106 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5107 	.stats_get_strings = mv88e6320_stats_get_strings,
5108 	.stats_get_stats = mv88e6390_stats_get_stats,
5109 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
5110 	.set_egress_port = mv88e6390_g1_set_egress_port,
5111 	.watchdog_ops = &mv88e6390_watchdog_ops,
5112 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
5113 	.pot_clear = mv88e6xxx_g2_pot_clear,
5114 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5115 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5116 	.reset = mv88e6352_g1_reset,
5117 	.rmu_disable = mv88e6390_g1_rmu_disable,
5118 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5119 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5120 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5121 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5122 	.stu_getnext = mv88e6352_g1_stu_getnext,
5123 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5124 	.serdes_get_lane = mv88e6341_serdes_get_lane,
5125 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5126 	.gpio_ops = &mv88e6352_gpio_ops,
5127 	.avb_ops = &mv88e6390_avb_ops,
5128 	.ptp_ops = &mv88e6352_ptp_ops,
5129 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
5130 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5131 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5132 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5133 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5134 	.phylink_get_caps = mv88e6341_phylink_get_caps,
5135 	.pcs_ops = &mv88e6390_pcs_ops,
5136 };
5137 
5138 static const struct mv88e6xxx_ops mv88e6350_ops = {
5139 	/* MV88E6XXX_FAMILY_6351 */
5140 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5141 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5142 	.irl_init_all = mv88e6352_g2_irl_init_all,
5143 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5144 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5145 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5146 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5147 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5148 	.port_set_link = mv88e6xxx_port_set_link,
5149 	.port_sync_link = mv88e6xxx_port_sync_link,
5150 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
5151 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5152 	.port_tag_remap = mv88e6095_port_tag_remap,
5153 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5154 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5155 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5156 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5157 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5158 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5159 	.port_pause_limit = mv88e6097_port_pause_limit,
5160 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5161 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5162 	.port_get_cmode = mv88e6352_port_get_cmode,
5163 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5164 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5165 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5166 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
5167 	.stats_get_strings = mv88e6095_stats_get_strings,
5168 	.stats_get_stats = mv88e6095_stats_get_stats,
5169 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5170 	.set_egress_port = mv88e6095_g1_set_egress_port,
5171 	.watchdog_ops = &mv88e6097_watchdog_ops,
5172 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5173 	.pot_clear = mv88e6xxx_g2_pot_clear,
5174 	.reset = mv88e6352_g1_reset,
5175 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5176 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5177 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5178 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5179 	.stu_getnext = mv88e6352_g1_stu_getnext,
5180 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5181 	.phylink_get_caps = mv88e6351_phylink_get_caps,
5182 };
5183 
5184 static const struct mv88e6xxx_ops mv88e6351_ops = {
5185 	/* MV88E6XXX_FAMILY_6351 */
5186 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5187 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5188 	.irl_init_all = mv88e6352_g2_irl_init_all,
5189 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5190 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5191 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5192 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5193 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5194 	.port_set_link = mv88e6xxx_port_set_link,
5195 	.port_sync_link = mv88e6xxx_port_sync_link,
5196 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
5197 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5198 	.port_tag_remap = mv88e6095_port_tag_remap,
5199 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5200 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5201 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5202 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5203 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5204 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5205 	.port_pause_limit = mv88e6097_port_pause_limit,
5206 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5207 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5208 	.port_get_cmode = mv88e6352_port_get_cmode,
5209 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5210 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5211 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5212 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
5213 	.stats_get_strings = mv88e6095_stats_get_strings,
5214 	.stats_get_stats = mv88e6095_stats_get_stats,
5215 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5216 	.set_egress_port = mv88e6095_g1_set_egress_port,
5217 	.watchdog_ops = &mv88e6097_watchdog_ops,
5218 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5219 	.pot_clear = mv88e6xxx_g2_pot_clear,
5220 	.reset = mv88e6352_g1_reset,
5221 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5222 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5223 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5224 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5225 	.stu_getnext = mv88e6352_g1_stu_getnext,
5226 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5227 	.avb_ops = &mv88e6352_avb_ops,
5228 	.ptp_ops = &mv88e6352_ptp_ops,
5229 	.phylink_get_caps = mv88e6351_phylink_get_caps,
5230 };
5231 
5232 static const struct mv88e6xxx_ops mv88e6352_ops = {
5233 	/* MV88E6XXX_FAMILY_6352 */
5234 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5235 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5236 	.irl_init_all = mv88e6352_g2_irl_init_all,
5237 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
5238 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
5239 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5240 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5241 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5242 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5243 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5244 	.port_set_link = mv88e6xxx_port_set_link,
5245 	.port_sync_link = mv88e6xxx_port_sync_link,
5246 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
5247 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
5248 	.port_tag_remap = mv88e6095_port_tag_remap,
5249 	.port_set_policy = mv88e6352_port_set_policy,
5250 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5251 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5252 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5253 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5254 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5255 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5256 	.port_pause_limit = mv88e6097_port_pause_limit,
5257 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5258 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5259 	.port_get_cmode = mv88e6352_port_get_cmode,
5260 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5261 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5262 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5263 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
5264 	.stats_get_strings = mv88e6095_stats_get_strings,
5265 	.stats_get_stats = mv88e6095_stats_get_stats,
5266 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5267 	.set_egress_port = mv88e6095_g1_set_egress_port,
5268 	.watchdog_ops = &mv88e6097_watchdog_ops,
5269 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5270 	.pot_clear = mv88e6xxx_g2_pot_clear,
5271 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5272 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5273 	.reset = mv88e6352_g1_reset,
5274 	.rmu_disable = mv88e6352_g1_rmu_disable,
5275 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5276 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5277 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5278 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5279 	.stu_getnext = mv88e6352_g1_stu_getnext,
5280 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5281 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
5282 	.gpio_ops = &mv88e6352_gpio_ops,
5283 	.avb_ops = &mv88e6352_avb_ops,
5284 	.ptp_ops = &mv88e6352_ptp_ops,
5285 	.serdes_get_sset_count = mv88e6352_serdes_get_sset_count,
5286 	.serdes_get_strings = mv88e6352_serdes_get_strings,
5287 	.serdes_get_stats = mv88e6352_serdes_get_stats,
5288 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
5289 	.serdes_get_regs = mv88e6352_serdes_get_regs,
5290 	.serdes_set_tx_amplitude = mv88e6352_serdes_set_tx_amplitude,
5291 	.phylink_get_caps = mv88e6352_phylink_get_caps,
5292 	.pcs_ops = &mv88e6352_pcs_ops,
5293 };
5294 
5295 static const struct mv88e6xxx_ops mv88e6390_ops = {
5296 	/* MV88E6XXX_FAMILY_6390 */
5297 	.setup_errata = mv88e6390_setup_errata,
5298 	.irl_init_all = mv88e6390_g2_irl_init_all,
5299 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5300 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5301 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5302 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5303 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5304 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5305 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5306 	.port_set_link = mv88e6xxx_port_set_link,
5307 	.port_sync_link = mv88e6xxx_port_sync_link,
5308 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5309 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
5310 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
5311 	.port_tag_remap = mv88e6390_port_tag_remap,
5312 	.port_set_policy = mv88e6352_port_set_policy,
5313 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5314 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5315 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5316 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5317 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5318 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5319 	.port_pause_limit = mv88e6390_port_pause_limit,
5320 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5321 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5322 	.port_get_cmode = mv88e6352_port_get_cmode,
5323 	.port_set_cmode = mv88e6390_port_set_cmode,
5324 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5325 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5326 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5327 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5328 	.stats_get_strings = mv88e6320_stats_get_strings,
5329 	.stats_get_stats = mv88e6390_stats_get_stats,
5330 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
5331 	.set_egress_port = mv88e6390_g1_set_egress_port,
5332 	.watchdog_ops = &mv88e6390_watchdog_ops,
5333 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
5334 	.pot_clear = mv88e6xxx_g2_pot_clear,
5335 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5336 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5337 	.reset = mv88e6352_g1_reset,
5338 	.rmu_disable = mv88e6390_g1_rmu_disable,
5339 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5340 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5341 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
5342 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5343 	.stu_getnext = mv88e6390_g1_stu_getnext,
5344 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5345 	.serdes_get_lane = mv88e6390_serdes_get_lane,
5346 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5347 	.gpio_ops = &mv88e6352_gpio_ops,
5348 	.avb_ops = &mv88e6390_avb_ops,
5349 	.ptp_ops = &mv88e6390_ptp_ops,
5350 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
5351 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5352 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5353 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5354 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5355 	.phylink_get_caps = mv88e6390_phylink_get_caps,
5356 	.pcs_ops = &mv88e6390_pcs_ops,
5357 };
5358 
5359 static const struct mv88e6xxx_ops mv88e6390x_ops = {
5360 	/* MV88E6XXX_FAMILY_6390 */
5361 	.setup_errata = mv88e6390_setup_errata,
5362 	.irl_init_all = mv88e6390_g2_irl_init_all,
5363 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5364 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5365 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5366 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5367 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5368 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5369 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5370 	.port_set_link = mv88e6xxx_port_set_link,
5371 	.port_sync_link = mv88e6xxx_port_sync_link,
5372 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5373 	.port_set_speed_duplex = mv88e6390x_port_set_speed_duplex,
5374 	.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
5375 	.port_tag_remap = mv88e6390_port_tag_remap,
5376 	.port_set_policy = mv88e6352_port_set_policy,
5377 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5378 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5379 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5380 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5381 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5382 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5383 	.port_pause_limit = mv88e6390_port_pause_limit,
5384 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5385 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5386 	.port_get_cmode = mv88e6352_port_get_cmode,
5387 	.port_set_cmode = mv88e6390x_port_set_cmode,
5388 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5389 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5390 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5391 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5392 	.stats_get_strings = mv88e6320_stats_get_strings,
5393 	.stats_get_stats = mv88e6390_stats_get_stats,
5394 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
5395 	.set_egress_port = mv88e6390_g1_set_egress_port,
5396 	.watchdog_ops = &mv88e6390_watchdog_ops,
5397 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
5398 	.pot_clear = mv88e6xxx_g2_pot_clear,
5399 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5400 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5401 	.reset = mv88e6352_g1_reset,
5402 	.rmu_disable = mv88e6390_g1_rmu_disable,
5403 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5404 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5405 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
5406 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5407 	.stu_getnext = mv88e6390_g1_stu_getnext,
5408 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5409 	.serdes_get_lane = mv88e6390x_serdes_get_lane,
5410 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5411 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
5412 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5413 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5414 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5415 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5416 	.gpio_ops = &mv88e6352_gpio_ops,
5417 	.avb_ops = &mv88e6390_avb_ops,
5418 	.ptp_ops = &mv88e6390_ptp_ops,
5419 	.phylink_get_caps = mv88e6390x_phylink_get_caps,
5420 	.pcs_ops = &mv88e6390_pcs_ops,
5421 };
5422 
5423 static const struct mv88e6xxx_ops mv88e6393x_ops = {
5424 	/* MV88E6XXX_FAMILY_6393 */
5425 	.irl_init_all = mv88e6390_g2_irl_init_all,
5426 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5427 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5428 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5429 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5430 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5431 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5432 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5433 	.port_set_link = mv88e6xxx_port_set_link,
5434 	.port_sync_link = mv88e6xxx_port_sync_link,
5435 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5436 	.port_set_speed_duplex = mv88e6393x_port_set_speed_duplex,
5437 	.port_max_speed_mode = mv88e6393x_port_max_speed_mode,
5438 	.port_tag_remap = mv88e6390_port_tag_remap,
5439 	.port_set_policy = mv88e6393x_port_set_policy,
5440 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5441 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5442 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5443 	.port_set_ether_type = mv88e6393x_port_set_ether_type,
5444 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5445 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5446 	.port_pause_limit = mv88e6390_port_pause_limit,
5447 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5448 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5449 	.port_get_cmode = mv88e6352_port_get_cmode,
5450 	.port_set_cmode = mv88e6393x_port_set_cmode,
5451 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5452 	.port_set_upstream_port = mv88e6393x_port_set_upstream_port,
5453 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5454 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5455 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5456 	.stats_get_strings = mv88e6320_stats_get_strings,
5457 	.stats_get_stats = mv88e6390_stats_get_stats,
5458 	/* .set_cpu_port is missing because this family does not support a global
5459 	 * CPU port, only per port CPU port which is set via
5460 	 * .port_set_upstream_port method.
5461 	 */
5462 	.set_egress_port = mv88e6393x_set_egress_port,
5463 	.watchdog_ops = &mv88e6393x_watchdog_ops,
5464 	.mgmt_rsvd2cpu = mv88e6393x_port_mgmt_rsvd2cpu,
5465 	.pot_clear = mv88e6xxx_g2_pot_clear,
5466 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5467 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5468 	.reset = mv88e6352_g1_reset,
5469 	.rmu_disable = mv88e6390_g1_rmu_disable,
5470 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5471 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5472 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
5473 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5474 	.stu_getnext = mv88e6390_g1_stu_getnext,
5475 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5476 	.serdes_get_lane = mv88e6393x_serdes_get_lane,
5477 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5478 	/* TODO: serdes stats */
5479 	.gpio_ops = &mv88e6352_gpio_ops,
5480 	.avb_ops = &mv88e6390_avb_ops,
5481 	.ptp_ops = &mv88e6352_ptp_ops,
5482 	.phylink_get_caps = mv88e6393x_phylink_get_caps,
5483 	.pcs_ops = &mv88e6393x_pcs_ops,
5484 };
5485 
5486 static const struct mv88e6xxx_info mv88e6xxx_table[] = {
5487 	[MV88E6020] = {
5488 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6020,
5489 		.family = MV88E6XXX_FAMILY_6250,
5490 		.name = "Marvell 88E6020",
5491 		.num_databases = 64,
5492 		/* Ports 2-4 are not routed to pins
5493 		 * => usable ports 0, 1, 5, 6
5494 		 */
5495 		.num_ports = 7,
5496 		.num_internal_phys = 2,
5497 		.invalid_port_mask = BIT(2) | BIT(3) | BIT(4),
5498 		.max_vid = 4095,
5499 		.port_base_addr = 0x8,
5500 		.phy_base_addr = 0x0,
5501 		.global1_addr = 0xf,
5502 		.global2_addr = 0x7,
5503 		.age_time_coeff = 15000,
5504 		.g1_irqs = 9,
5505 		.g2_irqs = 5,
5506 		.atu_move_port_mask = 0xf,
5507 		.dual_chip = true,
5508 		.ops = &mv88e6250_ops,
5509 	},
5510 
5511 	[MV88E6071] = {
5512 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6071,
5513 		.family = MV88E6XXX_FAMILY_6250,
5514 		.name = "Marvell 88E6071",
5515 		.num_databases = 64,
5516 		.num_ports = 7,
5517 		.num_internal_phys = 5,
5518 		.max_vid = 4095,
5519 		.port_base_addr = 0x08,
5520 		.phy_base_addr = 0x00,
5521 		.global1_addr = 0x0f,
5522 		.global2_addr = 0x07,
5523 		.age_time_coeff = 15000,
5524 		.g1_irqs = 9,
5525 		.g2_irqs = 5,
5526 		.atu_move_port_mask = 0xf,
5527 		.dual_chip = true,
5528 		.ops = &mv88e6250_ops,
5529 	},
5530 
5531 	[MV88E6085] = {
5532 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6085,
5533 		.family = MV88E6XXX_FAMILY_6097,
5534 		.name = "Marvell 88E6085",
5535 		.num_databases = 4096,
5536 		.num_macs = 8192,
5537 		.num_ports = 10,
5538 		.num_internal_phys = 5,
5539 		.max_vid = 4095,
5540 		.max_sid = 63,
5541 		.port_base_addr = 0x10,
5542 		.phy_base_addr = 0x0,
5543 		.global1_addr = 0x1b,
5544 		.global2_addr = 0x1c,
5545 		.age_time_coeff = 15000,
5546 		.g1_irqs = 8,
5547 		.g2_irqs = 10,
5548 		.atu_move_port_mask = 0xf,
5549 		.pvt = true,
5550 		.multi_chip = true,
5551 		.ops = &mv88e6085_ops,
5552 	},
5553 
5554 	[MV88E6095] = {
5555 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6095,
5556 		.family = MV88E6XXX_FAMILY_6095,
5557 		.name = "Marvell 88E6095/88E6095F",
5558 		.num_databases = 256,
5559 		.num_macs = 8192,
5560 		.num_ports = 11,
5561 		.num_internal_phys = 0,
5562 		.max_vid = 4095,
5563 		.port_base_addr = 0x10,
5564 		.phy_base_addr = 0x0,
5565 		.global1_addr = 0x1b,
5566 		.global2_addr = 0x1c,
5567 		.age_time_coeff = 15000,
5568 		.g1_irqs = 8,
5569 		.atu_move_port_mask = 0xf,
5570 		.multi_chip = true,
5571 		.ops = &mv88e6095_ops,
5572 	},
5573 
5574 	[MV88E6097] = {
5575 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6097,
5576 		.family = MV88E6XXX_FAMILY_6097,
5577 		.name = "Marvell 88E6097/88E6097F",
5578 		.num_databases = 4096,
5579 		.num_macs = 8192,
5580 		.num_ports = 11,
5581 		.num_internal_phys = 8,
5582 		.max_vid = 4095,
5583 		.max_sid = 63,
5584 		.port_base_addr = 0x10,
5585 		.phy_base_addr = 0x0,
5586 		.global1_addr = 0x1b,
5587 		.global2_addr = 0x1c,
5588 		.age_time_coeff = 15000,
5589 		.g1_irqs = 8,
5590 		.g2_irqs = 10,
5591 		.atu_move_port_mask = 0xf,
5592 		.pvt = true,
5593 		.multi_chip = true,
5594 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5595 		.ops = &mv88e6097_ops,
5596 	},
5597 
5598 	[MV88E6123] = {
5599 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6123,
5600 		.family = MV88E6XXX_FAMILY_6165,
5601 		.name = "Marvell 88E6123",
5602 		.num_databases = 4096,
5603 		.num_macs = 1024,
5604 		.num_ports = 3,
5605 		.num_internal_phys = 5,
5606 		.max_vid = 4095,
5607 		.max_sid = 63,
5608 		.port_base_addr = 0x10,
5609 		.phy_base_addr = 0x0,
5610 		.global1_addr = 0x1b,
5611 		.global2_addr = 0x1c,
5612 		.age_time_coeff = 15000,
5613 		.g1_irqs = 9,
5614 		.g2_irqs = 10,
5615 		.atu_move_port_mask = 0xf,
5616 		.pvt = true,
5617 		.multi_chip = true,
5618 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5619 		.ops = &mv88e6123_ops,
5620 	},
5621 
5622 	[MV88E6131] = {
5623 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6131,
5624 		.family = MV88E6XXX_FAMILY_6185,
5625 		.name = "Marvell 88E6131",
5626 		.num_databases = 256,
5627 		.num_macs = 8192,
5628 		.num_ports = 8,
5629 		.num_internal_phys = 0,
5630 		.max_vid = 4095,
5631 		.port_base_addr = 0x10,
5632 		.phy_base_addr = 0x0,
5633 		.global1_addr = 0x1b,
5634 		.global2_addr = 0x1c,
5635 		.age_time_coeff = 15000,
5636 		.g1_irqs = 9,
5637 		.atu_move_port_mask = 0xf,
5638 		.multi_chip = true,
5639 		.ops = &mv88e6131_ops,
5640 	},
5641 
5642 	[MV88E6141] = {
5643 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6141,
5644 		.family = MV88E6XXX_FAMILY_6341,
5645 		.name = "Marvell 88E6141",
5646 		.num_databases = 256,
5647 		.num_macs = 2048,
5648 		.num_ports = 6,
5649 		.num_internal_phys = 5,
5650 		.num_gpio = 11,
5651 		.max_vid = 4095,
5652 		.max_sid = 63,
5653 		.port_base_addr = 0x10,
5654 		.phy_base_addr = 0x10,
5655 		.global1_addr = 0x1b,
5656 		.global2_addr = 0x1c,
5657 		.age_time_coeff = 3750,
5658 		.atu_move_port_mask = 0x1f,
5659 		.g1_irqs = 9,
5660 		.g2_irqs = 10,
5661 		.pvt = true,
5662 		.multi_chip = true,
5663 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5664 		.ops = &mv88e6141_ops,
5665 	},
5666 
5667 	[MV88E6161] = {
5668 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6161,
5669 		.family = MV88E6XXX_FAMILY_6165,
5670 		.name = "Marvell 88E6161",
5671 		.num_databases = 4096,
5672 		.num_macs = 1024,
5673 		.num_ports = 6,
5674 		.num_internal_phys = 5,
5675 		.max_vid = 4095,
5676 		.max_sid = 63,
5677 		.port_base_addr = 0x10,
5678 		.phy_base_addr = 0x0,
5679 		.global1_addr = 0x1b,
5680 		.global2_addr = 0x1c,
5681 		.age_time_coeff = 15000,
5682 		.g1_irqs = 9,
5683 		.g2_irqs = 10,
5684 		.atu_move_port_mask = 0xf,
5685 		.pvt = true,
5686 		.multi_chip = true,
5687 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5688 		.ptp_support = true,
5689 		.ops = &mv88e6161_ops,
5690 	},
5691 
5692 	[MV88E6165] = {
5693 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6165,
5694 		.family = MV88E6XXX_FAMILY_6165,
5695 		.name = "Marvell 88E6165",
5696 		.num_databases = 4096,
5697 		.num_macs = 8192,
5698 		.num_ports = 6,
5699 		.num_internal_phys = 0,
5700 		.max_vid = 4095,
5701 		.max_sid = 63,
5702 		.port_base_addr = 0x10,
5703 		.phy_base_addr = 0x0,
5704 		.global1_addr = 0x1b,
5705 		.global2_addr = 0x1c,
5706 		.age_time_coeff = 15000,
5707 		.g1_irqs = 9,
5708 		.g2_irqs = 10,
5709 		.atu_move_port_mask = 0xf,
5710 		.pvt = true,
5711 		.multi_chip = true,
5712 		.ptp_support = true,
5713 		.ops = &mv88e6165_ops,
5714 	},
5715 
5716 	[MV88E6171] = {
5717 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6171,
5718 		.family = MV88E6XXX_FAMILY_6351,
5719 		.name = "Marvell 88E6171",
5720 		.num_databases = 4096,
5721 		.num_macs = 8192,
5722 		.num_ports = 7,
5723 		.num_internal_phys = 5,
5724 		.max_vid = 4095,
5725 		.max_sid = 63,
5726 		.port_base_addr = 0x10,
5727 		.phy_base_addr = 0x0,
5728 		.global1_addr = 0x1b,
5729 		.global2_addr = 0x1c,
5730 		.age_time_coeff = 15000,
5731 		.g1_irqs = 9,
5732 		.g2_irqs = 10,
5733 		.atu_move_port_mask = 0xf,
5734 		.pvt = true,
5735 		.multi_chip = true,
5736 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5737 		.ops = &mv88e6171_ops,
5738 	},
5739 
5740 	[MV88E6172] = {
5741 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6172,
5742 		.family = MV88E6XXX_FAMILY_6352,
5743 		.name = "Marvell 88E6172",
5744 		.num_databases = 4096,
5745 		.num_macs = 8192,
5746 		.num_ports = 7,
5747 		.num_internal_phys = 5,
5748 		.num_gpio = 15,
5749 		.max_vid = 4095,
5750 		.max_sid = 63,
5751 		.port_base_addr = 0x10,
5752 		.phy_base_addr = 0x0,
5753 		.global1_addr = 0x1b,
5754 		.global2_addr = 0x1c,
5755 		.age_time_coeff = 15000,
5756 		.g1_irqs = 9,
5757 		.g2_irqs = 10,
5758 		.atu_move_port_mask = 0xf,
5759 		.pvt = true,
5760 		.multi_chip = true,
5761 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5762 		.ops = &mv88e6172_ops,
5763 	},
5764 
5765 	[MV88E6175] = {
5766 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6175,
5767 		.family = MV88E6XXX_FAMILY_6351,
5768 		.name = "Marvell 88E6175",
5769 		.num_databases = 4096,
5770 		.num_macs = 8192,
5771 		.num_ports = 7,
5772 		.num_internal_phys = 5,
5773 		.max_vid = 4095,
5774 		.max_sid = 63,
5775 		.port_base_addr = 0x10,
5776 		.phy_base_addr = 0x0,
5777 		.global1_addr = 0x1b,
5778 		.global2_addr = 0x1c,
5779 		.age_time_coeff = 15000,
5780 		.g1_irqs = 9,
5781 		.g2_irqs = 10,
5782 		.atu_move_port_mask = 0xf,
5783 		.pvt = true,
5784 		.multi_chip = true,
5785 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5786 		.ops = &mv88e6175_ops,
5787 	},
5788 
5789 	[MV88E6176] = {
5790 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6176,
5791 		.family = MV88E6XXX_FAMILY_6352,
5792 		.name = "Marvell 88E6176",
5793 		.num_databases = 4096,
5794 		.num_macs = 8192,
5795 		.num_ports = 7,
5796 		.num_internal_phys = 5,
5797 		.num_gpio = 15,
5798 		.max_vid = 4095,
5799 		.max_sid = 63,
5800 		.port_base_addr = 0x10,
5801 		.phy_base_addr = 0x0,
5802 		.global1_addr = 0x1b,
5803 		.global2_addr = 0x1c,
5804 		.age_time_coeff = 15000,
5805 		.g1_irqs = 9,
5806 		.g2_irqs = 10,
5807 		.atu_move_port_mask = 0xf,
5808 		.pvt = true,
5809 		.multi_chip = true,
5810 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5811 		.ops = &mv88e6176_ops,
5812 	},
5813 
5814 	[MV88E6185] = {
5815 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6185,
5816 		.family = MV88E6XXX_FAMILY_6185,
5817 		.name = "Marvell 88E6185",
5818 		.num_databases = 256,
5819 		.num_macs = 8192,
5820 		.num_ports = 10,
5821 		.num_internal_phys = 0,
5822 		.max_vid = 4095,
5823 		.port_base_addr = 0x10,
5824 		.phy_base_addr = 0x0,
5825 		.global1_addr = 0x1b,
5826 		.global2_addr = 0x1c,
5827 		.age_time_coeff = 15000,
5828 		.g1_irqs = 8,
5829 		.atu_move_port_mask = 0xf,
5830 		.multi_chip = true,
5831 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5832 		.ops = &mv88e6185_ops,
5833 	},
5834 
5835 	[MV88E6190] = {
5836 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190,
5837 		.family = MV88E6XXX_FAMILY_6390,
5838 		.name = "Marvell 88E6190",
5839 		.num_databases = 4096,
5840 		.num_macs = 16384,
5841 		.num_ports = 11,	/* 10 + Z80 */
5842 		.num_internal_phys = 9,
5843 		.num_gpio = 16,
5844 		.max_vid = 8191,
5845 		.max_sid = 63,
5846 		.port_base_addr = 0x0,
5847 		.phy_base_addr = 0x0,
5848 		.global1_addr = 0x1b,
5849 		.global2_addr = 0x1c,
5850 		.age_time_coeff = 3750,
5851 		.g1_irqs = 9,
5852 		.g2_irqs = 14,
5853 		.pvt = true,
5854 		.multi_chip = true,
5855 		.atu_move_port_mask = 0x1f,
5856 		.ops = &mv88e6190_ops,
5857 	},
5858 
5859 	[MV88E6190X] = {
5860 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190X,
5861 		.family = MV88E6XXX_FAMILY_6390,
5862 		.name = "Marvell 88E6190X",
5863 		.num_databases = 4096,
5864 		.num_macs = 16384,
5865 		.num_ports = 11,	/* 10 + Z80 */
5866 		.num_internal_phys = 9,
5867 		.num_gpio = 16,
5868 		.max_vid = 8191,
5869 		.max_sid = 63,
5870 		.port_base_addr = 0x0,
5871 		.phy_base_addr = 0x0,
5872 		.global1_addr = 0x1b,
5873 		.global2_addr = 0x1c,
5874 		.age_time_coeff = 3750,
5875 		.g1_irqs = 9,
5876 		.g2_irqs = 14,
5877 		.atu_move_port_mask = 0x1f,
5878 		.pvt = true,
5879 		.multi_chip = true,
5880 		.ops = &mv88e6190x_ops,
5881 	},
5882 
5883 	[MV88E6191] = {
5884 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6191,
5885 		.family = MV88E6XXX_FAMILY_6390,
5886 		.name = "Marvell 88E6191",
5887 		.num_databases = 4096,
5888 		.num_macs = 16384,
5889 		.num_ports = 11,	/* 10 + Z80 */
5890 		.num_internal_phys = 9,
5891 		.max_vid = 8191,
5892 		.max_sid = 63,
5893 		.port_base_addr = 0x0,
5894 		.phy_base_addr = 0x0,
5895 		.global1_addr = 0x1b,
5896 		.global2_addr = 0x1c,
5897 		.age_time_coeff = 3750,
5898 		.g1_irqs = 9,
5899 		.g2_irqs = 14,
5900 		.atu_move_port_mask = 0x1f,
5901 		.pvt = true,
5902 		.multi_chip = true,
5903 		.ptp_support = true,
5904 		.ops = &mv88e6191_ops,
5905 	},
5906 
5907 	[MV88E6191X] = {
5908 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6191X,
5909 		.family = MV88E6XXX_FAMILY_6393,
5910 		.name = "Marvell 88E6191X",
5911 		.num_databases = 4096,
5912 		.num_ports = 11,	/* 10 + Z80 */
5913 		.num_internal_phys = 8,
5914 		.internal_phys_offset = 1,
5915 		.max_vid = 8191,
5916 		.max_sid = 63,
5917 		.port_base_addr = 0x0,
5918 		.phy_base_addr = 0x0,
5919 		.global1_addr = 0x1b,
5920 		.global2_addr = 0x1c,
5921 		.age_time_coeff = 3750,
5922 		.g1_irqs = 10,
5923 		.g2_irqs = 14,
5924 		.atu_move_port_mask = 0x1f,
5925 		.pvt = true,
5926 		.multi_chip = true,
5927 		.ptp_support = true,
5928 		.ops = &mv88e6393x_ops,
5929 	},
5930 
5931 	[MV88E6193X] = {
5932 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6193X,
5933 		.family = MV88E6XXX_FAMILY_6393,
5934 		.name = "Marvell 88E6193X",
5935 		.num_databases = 4096,
5936 		.num_ports = 11,	/* 10 + Z80 */
5937 		.num_internal_phys = 8,
5938 		.internal_phys_offset = 1,
5939 		.max_vid = 8191,
5940 		.max_sid = 63,
5941 		.port_base_addr = 0x0,
5942 		.phy_base_addr = 0x0,
5943 		.global1_addr = 0x1b,
5944 		.global2_addr = 0x1c,
5945 		.age_time_coeff = 3750,
5946 		.g1_irqs = 10,
5947 		.g2_irqs = 14,
5948 		.atu_move_port_mask = 0x1f,
5949 		.pvt = true,
5950 		.multi_chip = true,
5951 		.ptp_support = true,
5952 		.ops = &mv88e6393x_ops,
5953 	},
5954 
5955 	[MV88E6220] = {
5956 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6220,
5957 		.family = MV88E6XXX_FAMILY_6250,
5958 		.name = "Marvell 88E6220",
5959 		.num_databases = 64,
5960 
5961 		/* Ports 2-4 are not routed to pins
5962 		 * => usable ports 0, 1, 5, 6
5963 		 */
5964 		.num_ports = 7,
5965 		.num_internal_phys = 2,
5966 		.invalid_port_mask = BIT(2) | BIT(3) | BIT(4),
5967 		.max_vid = 4095,
5968 		.port_base_addr = 0x08,
5969 		.phy_base_addr = 0x00,
5970 		.global1_addr = 0x0f,
5971 		.global2_addr = 0x07,
5972 		.age_time_coeff = 15000,
5973 		.g1_irqs = 9,
5974 		.g2_irqs = 10,
5975 		.atu_move_port_mask = 0xf,
5976 		.dual_chip = true,
5977 		.ptp_support = true,
5978 		.ops = &mv88e6250_ops,
5979 	},
5980 
5981 	[MV88E6240] = {
5982 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6240,
5983 		.family = MV88E6XXX_FAMILY_6352,
5984 		.name = "Marvell 88E6240",
5985 		.num_databases = 4096,
5986 		.num_macs = 8192,
5987 		.num_ports = 7,
5988 		.num_internal_phys = 5,
5989 		.num_gpio = 15,
5990 		.max_vid = 4095,
5991 		.max_sid = 63,
5992 		.port_base_addr = 0x10,
5993 		.phy_base_addr = 0x0,
5994 		.global1_addr = 0x1b,
5995 		.global2_addr = 0x1c,
5996 		.age_time_coeff = 15000,
5997 		.g1_irqs = 9,
5998 		.g2_irqs = 10,
5999 		.atu_move_port_mask = 0xf,
6000 		.pvt = true,
6001 		.multi_chip = true,
6002 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6003 		.ptp_support = true,
6004 		.ops = &mv88e6240_ops,
6005 	},
6006 
6007 	[MV88E6250] = {
6008 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6250,
6009 		.family = MV88E6XXX_FAMILY_6250,
6010 		.name = "Marvell 88E6250",
6011 		.num_databases = 64,
6012 		.num_ports = 7,
6013 		.num_internal_phys = 5,
6014 		.max_vid = 4095,
6015 		.port_base_addr = 0x08,
6016 		.phy_base_addr = 0x00,
6017 		.global1_addr = 0x0f,
6018 		.global2_addr = 0x07,
6019 		.age_time_coeff = 15000,
6020 		.g1_irqs = 9,
6021 		.g2_irqs = 10,
6022 		.atu_move_port_mask = 0xf,
6023 		.dual_chip = true,
6024 		.ptp_support = true,
6025 		.ops = &mv88e6250_ops,
6026 	},
6027 
6028 	[MV88E6290] = {
6029 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6290,
6030 		.family = MV88E6XXX_FAMILY_6390,
6031 		.name = "Marvell 88E6290",
6032 		.num_databases = 4096,
6033 		.num_ports = 11,	/* 10 + Z80 */
6034 		.num_internal_phys = 9,
6035 		.num_gpio = 16,
6036 		.max_vid = 8191,
6037 		.max_sid = 63,
6038 		.port_base_addr = 0x0,
6039 		.phy_base_addr = 0x0,
6040 		.global1_addr = 0x1b,
6041 		.global2_addr = 0x1c,
6042 		.age_time_coeff = 3750,
6043 		.g1_irqs = 9,
6044 		.g2_irqs = 14,
6045 		.atu_move_port_mask = 0x1f,
6046 		.pvt = true,
6047 		.multi_chip = true,
6048 		.ptp_support = true,
6049 		.ops = &mv88e6290_ops,
6050 	},
6051 
6052 	[MV88E6320] = {
6053 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6320,
6054 		.family = MV88E6XXX_FAMILY_6320,
6055 		.name = "Marvell 88E6320",
6056 		.num_databases = 4096,
6057 		.num_macs = 8192,
6058 		.num_ports = 7,
6059 		.num_internal_phys = 5,
6060 		.num_gpio = 15,
6061 		.max_vid = 4095,
6062 		.port_base_addr = 0x10,
6063 		.phy_base_addr = 0x0,
6064 		.global1_addr = 0x1b,
6065 		.global2_addr = 0x1c,
6066 		.age_time_coeff = 15000,
6067 		.g1_irqs = 8,
6068 		.g2_irqs = 10,
6069 		.atu_move_port_mask = 0xf,
6070 		.pvt = true,
6071 		.multi_chip = true,
6072 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6073 		.ptp_support = true,
6074 		.ops = &mv88e6320_ops,
6075 	},
6076 
6077 	[MV88E6321] = {
6078 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6321,
6079 		.family = MV88E6XXX_FAMILY_6320,
6080 		.name = "Marvell 88E6321",
6081 		.num_databases = 4096,
6082 		.num_macs = 8192,
6083 		.num_ports = 7,
6084 		.num_internal_phys = 5,
6085 		.num_gpio = 15,
6086 		.max_vid = 4095,
6087 		.port_base_addr = 0x10,
6088 		.phy_base_addr = 0x0,
6089 		.global1_addr = 0x1b,
6090 		.global2_addr = 0x1c,
6091 		.age_time_coeff = 15000,
6092 		.g1_irqs = 8,
6093 		.g2_irqs = 10,
6094 		.atu_move_port_mask = 0xf,
6095 		.multi_chip = true,
6096 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6097 		.ptp_support = true,
6098 		.ops = &mv88e6321_ops,
6099 	},
6100 
6101 	[MV88E6341] = {
6102 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6341,
6103 		.family = MV88E6XXX_FAMILY_6341,
6104 		.name = "Marvell 88E6341",
6105 		.num_databases = 256,
6106 		.num_macs = 2048,
6107 		.num_internal_phys = 5,
6108 		.num_ports = 6,
6109 		.num_gpio = 11,
6110 		.max_vid = 4095,
6111 		.max_sid = 63,
6112 		.port_base_addr = 0x10,
6113 		.phy_base_addr = 0x10,
6114 		.global1_addr = 0x1b,
6115 		.global2_addr = 0x1c,
6116 		.age_time_coeff = 3750,
6117 		.atu_move_port_mask = 0x1f,
6118 		.g1_irqs = 9,
6119 		.g2_irqs = 10,
6120 		.pvt = true,
6121 		.multi_chip = true,
6122 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6123 		.ptp_support = true,
6124 		.ops = &mv88e6341_ops,
6125 	},
6126 
6127 	[MV88E6350] = {
6128 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6350,
6129 		.family = MV88E6XXX_FAMILY_6351,
6130 		.name = "Marvell 88E6350",
6131 		.num_databases = 4096,
6132 		.num_macs = 8192,
6133 		.num_ports = 7,
6134 		.num_internal_phys = 5,
6135 		.max_vid = 4095,
6136 		.max_sid = 63,
6137 		.port_base_addr = 0x10,
6138 		.phy_base_addr = 0x0,
6139 		.global1_addr = 0x1b,
6140 		.global2_addr = 0x1c,
6141 		.age_time_coeff = 15000,
6142 		.g1_irqs = 9,
6143 		.g2_irqs = 10,
6144 		.atu_move_port_mask = 0xf,
6145 		.pvt = true,
6146 		.multi_chip = true,
6147 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6148 		.ops = &mv88e6350_ops,
6149 	},
6150 
6151 	[MV88E6351] = {
6152 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6351,
6153 		.family = MV88E6XXX_FAMILY_6351,
6154 		.name = "Marvell 88E6351",
6155 		.num_databases = 4096,
6156 		.num_macs = 8192,
6157 		.num_ports = 7,
6158 		.num_internal_phys = 5,
6159 		.max_vid = 4095,
6160 		.max_sid = 63,
6161 		.port_base_addr = 0x10,
6162 		.phy_base_addr = 0x0,
6163 		.global1_addr = 0x1b,
6164 		.global2_addr = 0x1c,
6165 		.age_time_coeff = 15000,
6166 		.g1_irqs = 9,
6167 		.g2_irqs = 10,
6168 		.atu_move_port_mask = 0xf,
6169 		.pvt = true,
6170 		.multi_chip = true,
6171 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6172 		.ops = &mv88e6351_ops,
6173 	},
6174 
6175 	[MV88E6352] = {
6176 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6352,
6177 		.family = MV88E6XXX_FAMILY_6352,
6178 		.name = "Marvell 88E6352",
6179 		.num_databases = 4096,
6180 		.num_macs = 8192,
6181 		.num_ports = 7,
6182 		.num_internal_phys = 5,
6183 		.num_gpio = 15,
6184 		.max_vid = 4095,
6185 		.max_sid = 63,
6186 		.port_base_addr = 0x10,
6187 		.phy_base_addr = 0x0,
6188 		.global1_addr = 0x1b,
6189 		.global2_addr = 0x1c,
6190 		.age_time_coeff = 15000,
6191 		.g1_irqs = 9,
6192 		.g2_irqs = 10,
6193 		.atu_move_port_mask = 0xf,
6194 		.pvt = true,
6195 		.multi_chip = true,
6196 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6197 		.ptp_support = true,
6198 		.ops = &mv88e6352_ops,
6199 	},
6200 	[MV88E6361] = {
6201 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6361,
6202 		.family = MV88E6XXX_FAMILY_6393,
6203 		.name = "Marvell 88E6361",
6204 		.num_databases = 4096,
6205 		.num_macs = 16384,
6206 		.num_ports = 11,
6207 		/* Ports 1, 2 and 8 are not routed */
6208 		.invalid_port_mask = BIT(1) | BIT(2) | BIT(8),
6209 		.num_internal_phys = 5,
6210 		.internal_phys_offset = 3,
6211 		.max_vid = 4095,
6212 		.max_sid = 63,
6213 		.port_base_addr = 0x0,
6214 		.phy_base_addr = 0x0,
6215 		.global1_addr = 0x1b,
6216 		.global2_addr = 0x1c,
6217 		.age_time_coeff = 3750,
6218 		.g1_irqs = 10,
6219 		.g2_irqs = 14,
6220 		.atu_move_port_mask = 0x1f,
6221 		.pvt = true,
6222 		.multi_chip = true,
6223 		.ptp_support = true,
6224 		.ops = &mv88e6393x_ops,
6225 	},
6226 	[MV88E6390] = {
6227 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
6228 		.family = MV88E6XXX_FAMILY_6390,
6229 		.name = "Marvell 88E6390",
6230 		.num_databases = 4096,
6231 		.num_macs = 16384,
6232 		.num_ports = 11,	/* 10 + Z80 */
6233 		.num_internal_phys = 9,
6234 		.num_gpio = 16,
6235 		.max_vid = 8191,
6236 		.max_sid = 63,
6237 		.port_base_addr = 0x0,
6238 		.phy_base_addr = 0x0,
6239 		.global1_addr = 0x1b,
6240 		.global2_addr = 0x1c,
6241 		.age_time_coeff = 3750,
6242 		.g1_irqs = 9,
6243 		.g2_irqs = 14,
6244 		.atu_move_port_mask = 0x1f,
6245 		.pvt = true,
6246 		.multi_chip = true,
6247 		.edsa_support = MV88E6XXX_EDSA_UNDOCUMENTED,
6248 		.ptp_support = true,
6249 		.ops = &mv88e6390_ops,
6250 	},
6251 	[MV88E6390X] = {
6252 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390X,
6253 		.family = MV88E6XXX_FAMILY_6390,
6254 		.name = "Marvell 88E6390X",
6255 		.num_databases = 4096,
6256 		.num_macs = 16384,
6257 		.num_ports = 11,	/* 10 + Z80 */
6258 		.num_internal_phys = 9,
6259 		.num_gpio = 16,
6260 		.max_vid = 8191,
6261 		.max_sid = 63,
6262 		.port_base_addr = 0x0,
6263 		.phy_base_addr = 0x0,
6264 		.global1_addr = 0x1b,
6265 		.global2_addr = 0x1c,
6266 		.age_time_coeff = 3750,
6267 		.g1_irqs = 9,
6268 		.g2_irqs = 14,
6269 		.atu_move_port_mask = 0x1f,
6270 		.pvt = true,
6271 		.multi_chip = true,
6272 		.edsa_support = MV88E6XXX_EDSA_UNDOCUMENTED,
6273 		.ptp_support = true,
6274 		.ops = &mv88e6390x_ops,
6275 	},
6276 
6277 	[MV88E6393X] = {
6278 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6393X,
6279 		.family = MV88E6XXX_FAMILY_6393,
6280 		.name = "Marvell 88E6393X",
6281 		.num_databases = 4096,
6282 		.num_ports = 11,	/* 10 + Z80 */
6283 		.num_internal_phys = 8,
6284 		.internal_phys_offset = 1,
6285 		.max_vid = 8191,
6286 		.max_sid = 63,
6287 		.port_base_addr = 0x0,
6288 		.phy_base_addr = 0x0,
6289 		.global1_addr = 0x1b,
6290 		.global2_addr = 0x1c,
6291 		.age_time_coeff = 3750,
6292 		.g1_irqs = 10,
6293 		.g2_irqs = 14,
6294 		.atu_move_port_mask = 0x1f,
6295 		.pvt = true,
6296 		.multi_chip = true,
6297 		.ptp_support = true,
6298 		.ops = &mv88e6393x_ops,
6299 	},
6300 };
6301 
mv88e6xxx_lookup_info(unsigned int prod_num)6302 static const struct mv88e6xxx_info *mv88e6xxx_lookup_info(unsigned int prod_num)
6303 {
6304 	int i;
6305 
6306 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_table); ++i)
6307 		if (mv88e6xxx_table[i].prod_num == prod_num)
6308 			return &mv88e6xxx_table[i];
6309 
6310 	return NULL;
6311 }
6312 
mv88e6xxx_detect(struct mv88e6xxx_chip * chip)6313 static int mv88e6xxx_detect(struct mv88e6xxx_chip *chip)
6314 {
6315 	const struct mv88e6xxx_info *info;
6316 	unsigned int prod_num, rev;
6317 	u16 id;
6318 	int err;
6319 
6320 	mv88e6xxx_reg_lock(chip);
6321 	err = mv88e6xxx_port_read(chip, 0, MV88E6XXX_PORT_SWITCH_ID, &id);
6322 	mv88e6xxx_reg_unlock(chip);
6323 	if (err)
6324 		return err;
6325 
6326 	prod_num = id & MV88E6XXX_PORT_SWITCH_ID_PROD_MASK;
6327 	rev = id & MV88E6XXX_PORT_SWITCH_ID_REV_MASK;
6328 
6329 	info = mv88e6xxx_lookup_info(prod_num);
6330 	if (!info)
6331 		return -ENODEV;
6332 
6333 	/* Update the compatible info with the probed one */
6334 	chip->info = info;
6335 
6336 	dev_info(chip->dev, "switch 0x%x detected: %s, revision %u\n",
6337 		 chip->info->prod_num, chip->info->name, rev);
6338 
6339 	return 0;
6340 }
6341 
mv88e6xxx_single_chip_detect(struct mv88e6xxx_chip * chip,struct mdio_device * mdiodev)6342 static int mv88e6xxx_single_chip_detect(struct mv88e6xxx_chip *chip,
6343 					struct mdio_device *mdiodev)
6344 {
6345 	int err;
6346 
6347 	/* dual_chip takes precedence over single/multi-chip modes */
6348 	if (chip->info->dual_chip)
6349 		return -EINVAL;
6350 
6351 	/* If the mdio addr is 16 indicating the first port address of a switch
6352 	 * (e.g. mv88e6*41) in single chip addressing mode the device may be
6353 	 * configured in single chip addressing mode. Setup the smi access as
6354 	 * single chip addressing mode and attempt to detect the model of the
6355 	 * switch, if this fails the device is not configured in single chip
6356 	 * addressing mode.
6357 	 */
6358 	if (mdiodev->addr != 16)
6359 		return -EINVAL;
6360 
6361 	err = mv88e6xxx_smi_init(chip, mdiodev->bus, 0);
6362 	if (err)
6363 		return err;
6364 
6365 	return mv88e6xxx_detect(chip);
6366 }
6367 
mv88e6xxx_alloc_chip(struct device * dev)6368 static struct mv88e6xxx_chip *mv88e6xxx_alloc_chip(struct device *dev)
6369 {
6370 	struct mv88e6xxx_chip *chip;
6371 
6372 	chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
6373 	if (!chip)
6374 		return NULL;
6375 
6376 	chip->dev = dev;
6377 
6378 	mutex_init(&chip->reg_lock);
6379 	INIT_LIST_HEAD(&chip->mdios);
6380 	idr_init(&chip->policies);
6381 	INIT_LIST_HEAD(&chip->msts);
6382 
6383 	return chip;
6384 }
6385 
mv88e6xxx_get_tag_protocol(struct dsa_switch * ds,int port,enum dsa_tag_protocol m)6386 static enum dsa_tag_protocol mv88e6xxx_get_tag_protocol(struct dsa_switch *ds,
6387 							int port,
6388 							enum dsa_tag_protocol m)
6389 {
6390 	struct mv88e6xxx_chip *chip = ds->priv;
6391 
6392 	return chip->tag_protocol;
6393 }
6394 
mv88e6xxx_change_tag_protocol(struct dsa_switch * ds,enum dsa_tag_protocol proto)6395 static int mv88e6xxx_change_tag_protocol(struct dsa_switch *ds,
6396 					 enum dsa_tag_protocol proto)
6397 {
6398 	struct mv88e6xxx_chip *chip = ds->priv;
6399 	enum dsa_tag_protocol old_protocol;
6400 	struct dsa_port *cpu_dp;
6401 	int err;
6402 
6403 	switch (proto) {
6404 	case DSA_TAG_PROTO_EDSA:
6405 		switch (chip->info->edsa_support) {
6406 		case MV88E6XXX_EDSA_UNSUPPORTED:
6407 			return -EPROTONOSUPPORT;
6408 		case MV88E6XXX_EDSA_UNDOCUMENTED:
6409 			dev_warn(chip->dev, "Relying on undocumented EDSA tagging behavior\n");
6410 			fallthrough;
6411 		case MV88E6XXX_EDSA_SUPPORTED:
6412 			break;
6413 		}
6414 		break;
6415 	case DSA_TAG_PROTO_DSA:
6416 		break;
6417 	default:
6418 		return -EPROTONOSUPPORT;
6419 	}
6420 
6421 	old_protocol = chip->tag_protocol;
6422 	chip->tag_protocol = proto;
6423 
6424 	mv88e6xxx_reg_lock(chip);
6425 	dsa_switch_for_each_cpu_port(cpu_dp, ds) {
6426 		err = mv88e6xxx_setup_port_mode(chip, cpu_dp->index);
6427 		if (err) {
6428 			mv88e6xxx_reg_unlock(chip);
6429 			goto unwind;
6430 		}
6431 	}
6432 	mv88e6xxx_reg_unlock(chip);
6433 
6434 	return 0;
6435 
6436 unwind:
6437 	chip->tag_protocol = old_protocol;
6438 
6439 	mv88e6xxx_reg_lock(chip);
6440 	dsa_switch_for_each_cpu_port_continue_reverse(cpu_dp, ds)
6441 		mv88e6xxx_setup_port_mode(chip, cpu_dp->index);
6442 	mv88e6xxx_reg_unlock(chip);
6443 
6444 	return err;
6445 }
6446 
mv88e6xxx_port_mdb_add(struct dsa_switch * ds,int port,const struct switchdev_obj_port_mdb * mdb,struct dsa_db db)6447 static int mv88e6xxx_port_mdb_add(struct dsa_switch *ds, int port,
6448 				  const struct switchdev_obj_port_mdb *mdb,
6449 				  struct dsa_db db)
6450 {
6451 	struct mv88e6xxx_chip *chip = ds->priv;
6452 	int err;
6453 
6454 	mv88e6xxx_reg_lock(chip);
6455 	err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid,
6456 					   MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC);
6457 	mv88e6xxx_reg_unlock(chip);
6458 
6459 	return err;
6460 }
6461 
mv88e6xxx_port_mdb_del(struct dsa_switch * ds,int port,const struct switchdev_obj_port_mdb * mdb,struct dsa_db db)6462 static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, int port,
6463 				  const struct switchdev_obj_port_mdb *mdb,
6464 				  struct dsa_db db)
6465 {
6466 	struct mv88e6xxx_chip *chip = ds->priv;
6467 	int err;
6468 
6469 	mv88e6xxx_reg_lock(chip);
6470 	err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid, 0);
6471 	mv88e6xxx_reg_unlock(chip);
6472 
6473 	return err;
6474 }
6475 
mv88e6xxx_port_mirror_add(struct dsa_switch * ds,int port,struct dsa_mall_mirror_tc_entry * mirror,bool ingress,struct netlink_ext_ack * extack)6476 static int mv88e6xxx_port_mirror_add(struct dsa_switch *ds, int port,
6477 				     struct dsa_mall_mirror_tc_entry *mirror,
6478 				     bool ingress,
6479 				     struct netlink_ext_ack *extack)
6480 {
6481 	enum mv88e6xxx_egress_direction direction = ingress ?
6482 						MV88E6XXX_EGRESS_DIR_INGRESS :
6483 						MV88E6XXX_EGRESS_DIR_EGRESS;
6484 	struct mv88e6xxx_chip *chip = ds->priv;
6485 	bool other_mirrors = false;
6486 	int i;
6487 	int err;
6488 
6489 	mutex_lock(&chip->reg_lock);
6490 	if ((ingress ? chip->ingress_dest_port : chip->egress_dest_port) !=
6491 	    mirror->to_local_port) {
6492 		for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
6493 			other_mirrors |= ingress ?
6494 					 chip->ports[i].mirror_ingress :
6495 					 chip->ports[i].mirror_egress;
6496 
6497 		/* Can't change egress port when other mirror is active */
6498 		if (other_mirrors) {
6499 			err = -EBUSY;
6500 			goto out;
6501 		}
6502 
6503 		err = mv88e6xxx_set_egress_port(chip, direction,
6504 						mirror->to_local_port);
6505 		if (err)
6506 			goto out;
6507 	}
6508 
6509 	err = mv88e6xxx_port_set_mirror(chip, port, direction, true);
6510 out:
6511 	mutex_unlock(&chip->reg_lock);
6512 
6513 	return err;
6514 }
6515 
mv88e6xxx_port_mirror_del(struct dsa_switch * ds,int port,struct dsa_mall_mirror_tc_entry * mirror)6516 static void mv88e6xxx_port_mirror_del(struct dsa_switch *ds, int port,
6517 				      struct dsa_mall_mirror_tc_entry *mirror)
6518 {
6519 	enum mv88e6xxx_egress_direction direction = mirror->ingress ?
6520 						MV88E6XXX_EGRESS_DIR_INGRESS :
6521 						MV88E6XXX_EGRESS_DIR_EGRESS;
6522 	struct mv88e6xxx_chip *chip = ds->priv;
6523 	bool other_mirrors = false;
6524 	int i;
6525 
6526 	mutex_lock(&chip->reg_lock);
6527 	if (mv88e6xxx_port_set_mirror(chip, port, direction, false))
6528 		dev_err(ds->dev, "p%d: failed to disable mirroring\n", port);
6529 
6530 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
6531 		other_mirrors |= mirror->ingress ?
6532 				 chip->ports[i].mirror_ingress :
6533 				 chip->ports[i].mirror_egress;
6534 
6535 	/* Reset egress port when no other mirror is active */
6536 	if (!other_mirrors) {
6537 		if (mv88e6xxx_set_egress_port(chip, direction,
6538 					      dsa_upstream_port(ds, port)))
6539 			dev_err(ds->dev, "failed to set egress port\n");
6540 	}
6541 
6542 	mutex_unlock(&chip->reg_lock);
6543 }
6544 
mv88e6xxx_port_pre_bridge_flags(struct dsa_switch * ds,int port,struct switchdev_brport_flags flags,struct netlink_ext_ack * extack)6545 static int mv88e6xxx_port_pre_bridge_flags(struct dsa_switch *ds, int port,
6546 					   struct switchdev_brport_flags flags,
6547 					   struct netlink_ext_ack *extack)
6548 {
6549 	struct mv88e6xxx_chip *chip = ds->priv;
6550 	const struct mv88e6xxx_ops *ops;
6551 
6552 	if (flags.mask & ~(BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD |
6553 			   BR_BCAST_FLOOD | BR_PORT_LOCKED | BR_PORT_MAB))
6554 		return -EINVAL;
6555 
6556 	ops = chip->info->ops;
6557 
6558 	if ((flags.mask & BR_FLOOD) && !ops->port_set_ucast_flood)
6559 		return -EINVAL;
6560 
6561 	if ((flags.mask & BR_MCAST_FLOOD) && !ops->port_set_mcast_flood)
6562 		return -EINVAL;
6563 
6564 	return 0;
6565 }
6566 
mv88e6xxx_port_bridge_flags(struct dsa_switch * ds,int port,struct switchdev_brport_flags flags,struct netlink_ext_ack * extack)6567 static int mv88e6xxx_port_bridge_flags(struct dsa_switch *ds, int port,
6568 				       struct switchdev_brport_flags flags,
6569 				       struct netlink_ext_ack *extack)
6570 {
6571 	struct mv88e6xxx_chip *chip = ds->priv;
6572 	int err = 0;
6573 
6574 	mv88e6xxx_reg_lock(chip);
6575 
6576 	if (flags.mask & BR_LEARNING) {
6577 		bool learning = !!(flags.val & BR_LEARNING);
6578 		u16 pav = learning ? (1 << port) : 0;
6579 
6580 		err = mv88e6xxx_port_set_assoc_vector(chip, port, pav);
6581 		if (err)
6582 			goto out;
6583 	}
6584 
6585 	if (flags.mask & BR_FLOOD) {
6586 		bool unicast = !!(flags.val & BR_FLOOD);
6587 
6588 		err = chip->info->ops->port_set_ucast_flood(chip, port,
6589 							    unicast);
6590 		if (err)
6591 			goto out;
6592 	}
6593 
6594 	if (flags.mask & BR_MCAST_FLOOD) {
6595 		bool multicast = !!(flags.val & BR_MCAST_FLOOD);
6596 
6597 		err = chip->info->ops->port_set_mcast_flood(chip, port,
6598 							    multicast);
6599 		if (err)
6600 			goto out;
6601 	}
6602 
6603 	if (flags.mask & BR_BCAST_FLOOD) {
6604 		bool broadcast = !!(flags.val & BR_BCAST_FLOOD);
6605 
6606 		err = mv88e6xxx_port_broadcast_sync(chip, port, broadcast);
6607 		if (err)
6608 			goto out;
6609 	}
6610 
6611 	if (flags.mask & BR_PORT_MAB) {
6612 		bool mab = !!(flags.val & BR_PORT_MAB);
6613 
6614 		mv88e6xxx_port_set_mab(chip, port, mab);
6615 	}
6616 
6617 	if (flags.mask & BR_PORT_LOCKED) {
6618 		bool locked = !!(flags.val & BR_PORT_LOCKED);
6619 
6620 		err = mv88e6xxx_port_set_lock(chip, port, locked);
6621 		if (err)
6622 			goto out;
6623 	}
6624 out:
6625 	mv88e6xxx_reg_unlock(chip);
6626 
6627 	return err;
6628 }
6629 
mv88e6xxx_lag_can_offload(struct dsa_switch * ds,struct dsa_lag lag,struct netdev_lag_upper_info * info,struct netlink_ext_ack * extack)6630 static bool mv88e6xxx_lag_can_offload(struct dsa_switch *ds,
6631 				      struct dsa_lag lag,
6632 				      struct netdev_lag_upper_info *info,
6633 				      struct netlink_ext_ack *extack)
6634 {
6635 	struct mv88e6xxx_chip *chip = ds->priv;
6636 	struct dsa_port *dp;
6637 	int members = 0;
6638 
6639 	if (!mv88e6xxx_has_lag(chip)) {
6640 		NL_SET_ERR_MSG_MOD(extack, "Chip does not support LAG offload");
6641 		return false;
6642 	}
6643 
6644 	if (!lag.id)
6645 		return false;
6646 
6647 	dsa_lag_foreach_port(dp, ds->dst, &lag)
6648 		/* Includes the port joining the LAG */
6649 		members++;
6650 
6651 	if (members > 8) {
6652 		NL_SET_ERR_MSG_MOD(extack,
6653 				   "Cannot offload more than 8 LAG ports");
6654 		return false;
6655 	}
6656 
6657 	/* We could potentially relax this to include active
6658 	 * backup in the future.
6659 	 */
6660 	if (info->tx_type != NETDEV_LAG_TX_TYPE_HASH) {
6661 		NL_SET_ERR_MSG_MOD(extack,
6662 				   "Can only offload LAG using hash TX type");
6663 		return false;
6664 	}
6665 
6666 	/* Ideally we would also validate that the hash type matches
6667 	 * the hardware. Alas, this is always set to unknown on team
6668 	 * interfaces.
6669 	 */
6670 	return true;
6671 }
6672 
mv88e6xxx_lag_sync_map(struct dsa_switch * ds,struct dsa_lag lag)6673 static int mv88e6xxx_lag_sync_map(struct dsa_switch *ds, struct dsa_lag lag)
6674 {
6675 	struct mv88e6xxx_chip *chip = ds->priv;
6676 	struct dsa_port *dp;
6677 	u16 map = 0;
6678 	int id;
6679 
6680 	/* DSA LAG IDs are one-based, hardware is zero-based */
6681 	id = lag.id - 1;
6682 
6683 	/* Build the map of all ports to distribute flows destined for
6684 	 * this LAG. This can be either a local user port, or a DSA
6685 	 * port if the LAG port is on a remote chip.
6686 	 */
6687 	dsa_lag_foreach_port(dp, ds->dst, &lag)
6688 		map |= BIT(dsa_towards_port(ds, dp->ds->index, dp->index));
6689 
6690 	return mv88e6xxx_g2_trunk_mapping_write(chip, id, map);
6691 }
6692 
6693 static const u8 mv88e6xxx_lag_mask_table[8][8] = {
6694 	/* Row number corresponds to the number of active members in a
6695 	 * LAG. Each column states which of the eight hash buckets are
6696 	 * mapped to the column:th port in the LAG.
6697 	 *
6698 	 * Example: In a LAG with three active ports, the second port
6699 	 * ([2][1]) would be selected for traffic mapped to buckets
6700 	 * 3,4,5 (0x38).
6701 	 */
6702 	{ 0xff,    0,    0,    0,    0,    0,    0,    0 },
6703 	{ 0x0f, 0xf0,    0,    0,    0,    0,    0,    0 },
6704 	{ 0x07, 0x38, 0xc0,    0,    0,    0,    0,    0 },
6705 	{ 0x03, 0x0c, 0x30, 0xc0,    0,    0,    0,    0 },
6706 	{ 0x03, 0x0c, 0x30, 0x40, 0x80,    0,    0,    0 },
6707 	{ 0x03, 0x0c, 0x10, 0x20, 0x40, 0x80,    0,    0 },
6708 	{ 0x03, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,    0 },
6709 	{ 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 },
6710 };
6711 
mv88e6xxx_lag_set_port_mask(u16 * mask,int port,int num_tx,int nth)6712 static void mv88e6xxx_lag_set_port_mask(u16 *mask, int port,
6713 					int num_tx, int nth)
6714 {
6715 	u8 active = 0;
6716 	int i;
6717 
6718 	num_tx = num_tx <= 8 ? num_tx : 8;
6719 	if (nth < num_tx)
6720 		active = mv88e6xxx_lag_mask_table[num_tx - 1][nth];
6721 
6722 	for (i = 0; i < 8; i++) {
6723 		if (BIT(i) & active)
6724 			mask[i] |= BIT(port);
6725 	}
6726 }
6727 
mv88e6xxx_lag_sync_masks(struct dsa_switch * ds)6728 static int mv88e6xxx_lag_sync_masks(struct dsa_switch *ds)
6729 {
6730 	struct mv88e6xxx_chip *chip = ds->priv;
6731 	unsigned int id, num_tx;
6732 	struct dsa_port *dp;
6733 	struct dsa_lag *lag;
6734 	int i, err, nth;
6735 	u16 mask[8];
6736 	u16 ivec;
6737 
6738 	/* Assume no port is a member of any LAG. */
6739 	ivec = BIT(mv88e6xxx_num_ports(chip)) - 1;
6740 
6741 	/* Disable all masks for ports that _are_ members of a LAG. */
6742 	dsa_switch_for_each_port(dp, ds) {
6743 		if (!dp->lag)
6744 			continue;
6745 
6746 		ivec &= ~BIT(dp->index);
6747 	}
6748 
6749 	for (i = 0; i < 8; i++)
6750 		mask[i] = ivec;
6751 
6752 	/* Enable the correct subset of masks for all LAG ports that
6753 	 * are in the Tx set.
6754 	 */
6755 	dsa_lags_foreach_id(id, ds->dst) {
6756 		lag = dsa_lag_by_id(ds->dst, id);
6757 		if (!lag)
6758 			continue;
6759 
6760 		num_tx = 0;
6761 		dsa_lag_foreach_port(dp, ds->dst, lag) {
6762 			if (dp->lag_tx_enabled)
6763 				num_tx++;
6764 		}
6765 
6766 		if (!num_tx)
6767 			continue;
6768 
6769 		nth = 0;
6770 		dsa_lag_foreach_port(dp, ds->dst, lag) {
6771 			if (!dp->lag_tx_enabled)
6772 				continue;
6773 
6774 			if (dp->ds == ds)
6775 				mv88e6xxx_lag_set_port_mask(mask, dp->index,
6776 							    num_tx, nth);
6777 
6778 			nth++;
6779 		}
6780 	}
6781 
6782 	for (i = 0; i < 8; i++) {
6783 		err = mv88e6xxx_g2_trunk_mask_write(chip, i, true, mask[i]);
6784 		if (err)
6785 			return err;
6786 	}
6787 
6788 	return 0;
6789 }
6790 
mv88e6xxx_lag_sync_masks_map(struct dsa_switch * ds,struct dsa_lag lag)6791 static int mv88e6xxx_lag_sync_masks_map(struct dsa_switch *ds,
6792 					struct dsa_lag lag)
6793 {
6794 	int err;
6795 
6796 	err = mv88e6xxx_lag_sync_masks(ds);
6797 
6798 	if (!err)
6799 		err = mv88e6xxx_lag_sync_map(ds, lag);
6800 
6801 	return err;
6802 }
6803 
mv88e6xxx_port_lag_change(struct dsa_switch * ds,int port)6804 static int mv88e6xxx_port_lag_change(struct dsa_switch *ds, int port)
6805 {
6806 	struct mv88e6xxx_chip *chip = ds->priv;
6807 	int err;
6808 
6809 	mv88e6xxx_reg_lock(chip);
6810 	err = mv88e6xxx_lag_sync_masks(ds);
6811 	mv88e6xxx_reg_unlock(chip);
6812 	return err;
6813 }
6814 
mv88e6xxx_port_lag_join(struct dsa_switch * ds,int port,struct dsa_lag lag,struct netdev_lag_upper_info * info,struct netlink_ext_ack * extack)6815 static int mv88e6xxx_port_lag_join(struct dsa_switch *ds, int port,
6816 				   struct dsa_lag lag,
6817 				   struct netdev_lag_upper_info *info,
6818 				   struct netlink_ext_ack *extack)
6819 {
6820 	struct mv88e6xxx_chip *chip = ds->priv;
6821 	int err, id;
6822 
6823 	if (!mv88e6xxx_lag_can_offload(ds, lag, info, extack))
6824 		return -EOPNOTSUPP;
6825 
6826 	/* DSA LAG IDs are one-based */
6827 	id = lag.id - 1;
6828 
6829 	mv88e6xxx_reg_lock(chip);
6830 
6831 	err = mv88e6xxx_port_set_trunk(chip, port, true, id);
6832 	if (err)
6833 		goto err_unlock;
6834 
6835 	err = mv88e6xxx_lag_sync_masks_map(ds, lag);
6836 	if (err)
6837 		goto err_clear_trunk;
6838 
6839 	mv88e6xxx_reg_unlock(chip);
6840 	return 0;
6841 
6842 err_clear_trunk:
6843 	mv88e6xxx_port_set_trunk(chip, port, false, 0);
6844 err_unlock:
6845 	mv88e6xxx_reg_unlock(chip);
6846 	return err;
6847 }
6848 
mv88e6xxx_port_lag_leave(struct dsa_switch * ds,int port,struct dsa_lag lag)6849 static int mv88e6xxx_port_lag_leave(struct dsa_switch *ds, int port,
6850 				    struct dsa_lag lag)
6851 {
6852 	struct mv88e6xxx_chip *chip = ds->priv;
6853 	int err_sync, err_trunk;
6854 
6855 	mv88e6xxx_reg_lock(chip);
6856 	err_sync = mv88e6xxx_lag_sync_masks_map(ds, lag);
6857 	err_trunk = mv88e6xxx_port_set_trunk(chip, port, false, 0);
6858 	mv88e6xxx_reg_unlock(chip);
6859 	return err_sync ? : err_trunk;
6860 }
6861 
mv88e6xxx_crosschip_lag_change(struct dsa_switch * ds,int sw_index,int port)6862 static int mv88e6xxx_crosschip_lag_change(struct dsa_switch *ds, int sw_index,
6863 					  int port)
6864 {
6865 	struct mv88e6xxx_chip *chip = ds->priv;
6866 	int err;
6867 
6868 	mv88e6xxx_reg_lock(chip);
6869 	err = mv88e6xxx_lag_sync_masks(ds);
6870 	mv88e6xxx_reg_unlock(chip);
6871 	return err;
6872 }
6873 
mv88e6xxx_crosschip_lag_join(struct dsa_switch * ds,int sw_index,int port,struct dsa_lag lag,struct netdev_lag_upper_info * info,struct netlink_ext_ack * extack)6874 static int mv88e6xxx_crosschip_lag_join(struct dsa_switch *ds, int sw_index,
6875 					int port, struct dsa_lag lag,
6876 					struct netdev_lag_upper_info *info,
6877 					struct netlink_ext_ack *extack)
6878 {
6879 	struct mv88e6xxx_chip *chip = ds->priv;
6880 	int err;
6881 
6882 	if (!mv88e6xxx_lag_can_offload(ds, lag, info, extack))
6883 		return -EOPNOTSUPP;
6884 
6885 	mv88e6xxx_reg_lock(chip);
6886 
6887 	err = mv88e6xxx_lag_sync_masks_map(ds, lag);
6888 	if (err)
6889 		goto unlock;
6890 
6891 	err = mv88e6xxx_pvt_map(chip, sw_index, port);
6892 
6893 unlock:
6894 	mv88e6xxx_reg_unlock(chip);
6895 	return err;
6896 }
6897 
mv88e6xxx_crosschip_lag_leave(struct dsa_switch * ds,int sw_index,int port,struct dsa_lag lag)6898 static int mv88e6xxx_crosschip_lag_leave(struct dsa_switch *ds, int sw_index,
6899 					 int port, struct dsa_lag lag)
6900 {
6901 	struct mv88e6xxx_chip *chip = ds->priv;
6902 	int err_sync, err_pvt;
6903 
6904 	mv88e6xxx_reg_lock(chip);
6905 	err_sync = mv88e6xxx_lag_sync_masks_map(ds, lag);
6906 	err_pvt = mv88e6xxx_pvt_map(chip, sw_index, port);
6907 	mv88e6xxx_reg_unlock(chip);
6908 	return err_sync ? : err_pvt;
6909 }
6910 
6911 static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
6912 	.get_tag_protocol	= mv88e6xxx_get_tag_protocol,
6913 	.change_tag_protocol	= mv88e6xxx_change_tag_protocol,
6914 	.setup			= mv88e6xxx_setup,
6915 	.teardown		= mv88e6xxx_teardown,
6916 	.port_setup		= mv88e6xxx_port_setup,
6917 	.port_teardown		= mv88e6xxx_port_teardown,
6918 	.phylink_get_caps	= mv88e6xxx_get_caps,
6919 	.phylink_mac_select_pcs	= mv88e6xxx_mac_select_pcs,
6920 	.phylink_mac_prepare	= mv88e6xxx_mac_prepare,
6921 	.phylink_mac_config	= mv88e6xxx_mac_config,
6922 	.phylink_mac_finish	= mv88e6xxx_mac_finish,
6923 	.phylink_mac_link_down	= mv88e6xxx_mac_link_down,
6924 	.phylink_mac_link_up	= mv88e6xxx_mac_link_up,
6925 	.get_strings		= mv88e6xxx_get_strings,
6926 	.get_ethtool_stats	= mv88e6xxx_get_ethtool_stats,
6927 	.get_sset_count		= mv88e6xxx_get_sset_count,
6928 	.port_max_mtu		= mv88e6xxx_get_max_mtu,
6929 	.port_change_mtu	= mv88e6xxx_change_mtu,
6930 	.get_mac_eee		= mv88e6xxx_get_mac_eee,
6931 	.set_mac_eee		= mv88e6xxx_set_mac_eee,
6932 	.get_eeprom_len		= mv88e6xxx_get_eeprom_len,
6933 	.get_eeprom		= mv88e6xxx_get_eeprom,
6934 	.set_eeprom		= mv88e6xxx_set_eeprom,
6935 	.get_regs_len		= mv88e6xxx_get_regs_len,
6936 	.get_regs		= mv88e6xxx_get_regs,
6937 	.get_rxnfc		= mv88e6xxx_get_rxnfc,
6938 	.set_rxnfc		= mv88e6xxx_set_rxnfc,
6939 	.set_ageing_time	= mv88e6xxx_set_ageing_time,
6940 	.port_bridge_join	= mv88e6xxx_port_bridge_join,
6941 	.port_bridge_leave	= mv88e6xxx_port_bridge_leave,
6942 	.port_pre_bridge_flags	= mv88e6xxx_port_pre_bridge_flags,
6943 	.port_bridge_flags	= mv88e6xxx_port_bridge_flags,
6944 	.port_stp_state_set	= mv88e6xxx_port_stp_state_set,
6945 	.port_mst_state_set	= mv88e6xxx_port_mst_state_set,
6946 	.port_fast_age		= mv88e6xxx_port_fast_age,
6947 	.port_vlan_fast_age	= mv88e6xxx_port_vlan_fast_age,
6948 	.port_vlan_filtering	= mv88e6xxx_port_vlan_filtering,
6949 	.port_vlan_add		= mv88e6xxx_port_vlan_add,
6950 	.port_vlan_del		= mv88e6xxx_port_vlan_del,
6951 	.vlan_msti_set		= mv88e6xxx_vlan_msti_set,
6952 	.port_fdb_add		= mv88e6xxx_port_fdb_add,
6953 	.port_fdb_del		= mv88e6xxx_port_fdb_del,
6954 	.port_fdb_dump		= mv88e6xxx_port_fdb_dump,
6955 	.port_mdb_add		= mv88e6xxx_port_mdb_add,
6956 	.port_mdb_del		= mv88e6xxx_port_mdb_del,
6957 	.port_mirror_add	= mv88e6xxx_port_mirror_add,
6958 	.port_mirror_del	= mv88e6xxx_port_mirror_del,
6959 	.crosschip_bridge_join	= mv88e6xxx_crosschip_bridge_join,
6960 	.crosschip_bridge_leave	= mv88e6xxx_crosschip_bridge_leave,
6961 	.port_hwtstamp_set	= mv88e6xxx_port_hwtstamp_set,
6962 	.port_hwtstamp_get	= mv88e6xxx_port_hwtstamp_get,
6963 	.port_txtstamp		= mv88e6xxx_port_txtstamp,
6964 	.port_rxtstamp		= mv88e6xxx_port_rxtstamp,
6965 	.get_ts_info		= mv88e6xxx_get_ts_info,
6966 	.devlink_param_get	= mv88e6xxx_devlink_param_get,
6967 	.devlink_param_set	= mv88e6xxx_devlink_param_set,
6968 	.devlink_info_get	= mv88e6xxx_devlink_info_get,
6969 	.port_lag_change	= mv88e6xxx_port_lag_change,
6970 	.port_lag_join		= mv88e6xxx_port_lag_join,
6971 	.port_lag_leave		= mv88e6xxx_port_lag_leave,
6972 	.crosschip_lag_change	= mv88e6xxx_crosschip_lag_change,
6973 	.crosschip_lag_join	= mv88e6xxx_crosschip_lag_join,
6974 	.crosschip_lag_leave	= mv88e6xxx_crosschip_lag_leave,
6975 };
6976 
mv88e6xxx_register_switch(struct mv88e6xxx_chip * chip)6977 static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip)
6978 {
6979 	struct device *dev = chip->dev;
6980 	struct dsa_switch *ds;
6981 
6982 	ds = devm_kzalloc(dev, sizeof(*ds), GFP_KERNEL);
6983 	if (!ds)
6984 		return -ENOMEM;
6985 
6986 	ds->dev = dev;
6987 	ds->num_ports = mv88e6xxx_num_ports(chip);
6988 	ds->priv = chip;
6989 	ds->dev = dev;
6990 	ds->ops = &mv88e6xxx_switch_ops;
6991 	ds->ageing_time_min = chip->info->age_time_coeff;
6992 	ds->ageing_time_max = chip->info->age_time_coeff * U8_MAX;
6993 
6994 	/* Some chips support up to 32, but that requires enabling the
6995 	 * 5-bit port mode, which we do not support. 640k^W16 ought to
6996 	 * be enough for anyone.
6997 	 */
6998 	ds->num_lag_ids = mv88e6xxx_has_lag(chip) ? 16 : 0;
6999 
7000 	dev_set_drvdata(dev, ds);
7001 
7002 	return dsa_register_switch(ds);
7003 }
7004 
mv88e6xxx_unregister_switch(struct mv88e6xxx_chip * chip)7005 static void mv88e6xxx_unregister_switch(struct mv88e6xxx_chip *chip)
7006 {
7007 	dsa_unregister_switch(chip->ds);
7008 }
7009 
pdata_device_get_match_data(struct device * dev)7010 static const void *pdata_device_get_match_data(struct device *dev)
7011 {
7012 	const struct of_device_id *matches = dev->driver->of_match_table;
7013 	const struct dsa_mv88e6xxx_pdata *pdata = dev->platform_data;
7014 
7015 	for (; matches->name[0] || matches->type[0] || matches->compatible[0];
7016 	     matches++) {
7017 		if (!strcmp(pdata->compatible, matches->compatible))
7018 			return matches->data;
7019 	}
7020 	return NULL;
7021 }
7022 
7023 /* There is no suspend to RAM support at DSA level yet, the switch configuration
7024  * would be lost after a power cycle so prevent it to be suspended.
7025  */
mv88e6xxx_suspend(struct device * dev)7026 static int __maybe_unused mv88e6xxx_suspend(struct device *dev)
7027 {
7028 	return -EOPNOTSUPP;
7029 }
7030 
mv88e6xxx_resume(struct device * dev)7031 static int __maybe_unused mv88e6xxx_resume(struct device *dev)
7032 {
7033 	return 0;
7034 }
7035 
7036 static SIMPLE_DEV_PM_OPS(mv88e6xxx_pm_ops, mv88e6xxx_suspend, mv88e6xxx_resume);
7037 
mv88e6xxx_probe(struct mdio_device * mdiodev)7038 static int mv88e6xxx_probe(struct mdio_device *mdiodev)
7039 {
7040 	struct dsa_mv88e6xxx_pdata *pdata = mdiodev->dev.platform_data;
7041 	const struct mv88e6xxx_info *compat_info = NULL;
7042 	struct device *dev = &mdiodev->dev;
7043 	struct device_node *np = dev->of_node;
7044 	struct mv88e6xxx_chip *chip;
7045 	int port;
7046 	int err;
7047 
7048 	if (!np && !pdata)
7049 		return -EINVAL;
7050 
7051 	if (np)
7052 		compat_info = of_device_get_match_data(dev);
7053 
7054 	if (pdata) {
7055 		compat_info = pdata_device_get_match_data(dev);
7056 
7057 		if (!pdata->netdev)
7058 			return -EINVAL;
7059 
7060 		for (port = 0; port < DSA_MAX_PORTS; port++) {
7061 			if (!(pdata->enabled_ports & (1 << port)))
7062 				continue;
7063 			if (strcmp(pdata->cd.port_names[port], "cpu"))
7064 				continue;
7065 			pdata->cd.netdev[port] = &pdata->netdev->dev;
7066 			break;
7067 		}
7068 	}
7069 
7070 	if (!compat_info)
7071 		return -EINVAL;
7072 
7073 	chip = mv88e6xxx_alloc_chip(dev);
7074 	if (!chip) {
7075 		err = -ENOMEM;
7076 		goto out;
7077 	}
7078 
7079 	chip->info = compat_info;
7080 
7081 	chip->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
7082 	if (IS_ERR(chip->reset)) {
7083 		err = PTR_ERR(chip->reset);
7084 		goto out;
7085 	}
7086 	if (chip->reset)
7087 		usleep_range(10000, 20000);
7088 
7089 	/* Detect if the device is configured in single chip addressing mode,
7090 	 * otherwise continue with address specific smi init/detection.
7091 	 */
7092 	err = mv88e6xxx_single_chip_detect(chip, mdiodev);
7093 	if (err) {
7094 		err = mv88e6xxx_smi_init(chip, mdiodev->bus, mdiodev->addr);
7095 		if (err)
7096 			goto out;
7097 
7098 		err = mv88e6xxx_detect(chip);
7099 		if (err)
7100 			goto out;
7101 	}
7102 
7103 	if (chip->info->edsa_support == MV88E6XXX_EDSA_SUPPORTED)
7104 		chip->tag_protocol = DSA_TAG_PROTO_EDSA;
7105 	else
7106 		chip->tag_protocol = DSA_TAG_PROTO_DSA;
7107 
7108 	mv88e6xxx_phy_init(chip);
7109 
7110 	if (chip->info->ops->get_eeprom) {
7111 		if (np)
7112 			of_property_read_u32(np, "eeprom-length",
7113 					     &chip->eeprom_len);
7114 		else
7115 			chip->eeprom_len = pdata->eeprom_len;
7116 	}
7117 
7118 	mv88e6xxx_reg_lock(chip);
7119 	err = mv88e6xxx_switch_reset(chip);
7120 	mv88e6xxx_reg_unlock(chip);
7121 	if (err)
7122 		goto out;
7123 
7124 	if (np) {
7125 		chip->irq = of_irq_get(np, 0);
7126 		if (chip->irq == -EPROBE_DEFER) {
7127 			err = chip->irq;
7128 			goto out;
7129 		}
7130 	}
7131 
7132 	if (pdata)
7133 		chip->irq = pdata->irq;
7134 
7135 	/* Has to be performed before the MDIO bus is created, because
7136 	 * the PHYs will link their interrupts to these interrupt
7137 	 * controllers
7138 	 */
7139 	mv88e6xxx_reg_lock(chip);
7140 	if (chip->irq > 0)
7141 		err = mv88e6xxx_g1_irq_setup(chip);
7142 	else
7143 		err = mv88e6xxx_irq_poll_setup(chip);
7144 	mv88e6xxx_reg_unlock(chip);
7145 
7146 	if (err)
7147 		goto out;
7148 
7149 	if (chip->info->g2_irqs > 0) {
7150 		err = mv88e6xxx_g2_irq_setup(chip);
7151 		if (err)
7152 			goto out_g1_irq;
7153 	}
7154 
7155 	err = mv88e6xxx_g1_atu_prob_irq_setup(chip);
7156 	if (err)
7157 		goto out_g2_irq;
7158 
7159 	err = mv88e6xxx_g1_vtu_prob_irq_setup(chip);
7160 	if (err)
7161 		goto out_g1_atu_prob_irq;
7162 
7163 	err = mv88e6xxx_register_switch(chip);
7164 	if (err)
7165 		goto out_g1_vtu_prob_irq;
7166 
7167 	return 0;
7168 
7169 out_g1_vtu_prob_irq:
7170 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
7171 out_g1_atu_prob_irq:
7172 	mv88e6xxx_g1_atu_prob_irq_free(chip);
7173 out_g2_irq:
7174 	if (chip->info->g2_irqs > 0)
7175 		mv88e6xxx_g2_irq_free(chip);
7176 out_g1_irq:
7177 	if (chip->irq > 0)
7178 		mv88e6xxx_g1_irq_free(chip);
7179 	else
7180 		mv88e6xxx_irq_poll_free(chip);
7181 out:
7182 	if (pdata)
7183 		dev_put(pdata->netdev);
7184 
7185 	return err;
7186 }
7187 
mv88e6xxx_remove(struct mdio_device * mdiodev)7188 static void mv88e6xxx_remove(struct mdio_device *mdiodev)
7189 {
7190 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
7191 	struct mv88e6xxx_chip *chip;
7192 
7193 	if (!ds)
7194 		return;
7195 
7196 	chip = ds->priv;
7197 
7198 	if (chip->info->ptp_support) {
7199 		mv88e6xxx_hwtstamp_free(chip);
7200 		mv88e6xxx_ptp_free(chip);
7201 	}
7202 
7203 	mv88e6xxx_phy_destroy(chip);
7204 	mv88e6xxx_unregister_switch(chip);
7205 
7206 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
7207 	mv88e6xxx_g1_atu_prob_irq_free(chip);
7208 
7209 	if (chip->info->g2_irqs > 0)
7210 		mv88e6xxx_g2_irq_free(chip);
7211 
7212 	if (chip->irq > 0)
7213 		mv88e6xxx_g1_irq_free(chip);
7214 	else
7215 		mv88e6xxx_irq_poll_free(chip);
7216 }
7217 
mv88e6xxx_shutdown(struct mdio_device * mdiodev)7218 static void mv88e6xxx_shutdown(struct mdio_device *mdiodev)
7219 {
7220 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
7221 
7222 	if (!ds)
7223 		return;
7224 
7225 	dsa_switch_shutdown(ds);
7226 
7227 	dev_set_drvdata(&mdiodev->dev, NULL);
7228 }
7229 
7230 static const struct of_device_id mv88e6xxx_of_match[] = {
7231 	{
7232 		.compatible = "marvell,mv88e6085",
7233 		.data = &mv88e6xxx_table[MV88E6085],
7234 	},
7235 	{
7236 		.compatible = "marvell,mv88e6190",
7237 		.data = &mv88e6xxx_table[MV88E6190],
7238 	},
7239 	{
7240 		.compatible = "marvell,mv88e6250",
7241 		.data = &mv88e6xxx_table[MV88E6250],
7242 	},
7243 	{ /* sentinel */ },
7244 };
7245 
7246 MODULE_DEVICE_TABLE(of, mv88e6xxx_of_match);
7247 
7248 static struct mdio_driver mv88e6xxx_driver = {
7249 	.probe	= mv88e6xxx_probe,
7250 	.remove = mv88e6xxx_remove,
7251 	.shutdown = mv88e6xxx_shutdown,
7252 	.mdiodrv.driver = {
7253 		.name = "mv88e6085",
7254 		.of_match_table = mv88e6xxx_of_match,
7255 		.pm = &mv88e6xxx_pm_ops,
7256 	},
7257 };
7258 
7259 mdio_module_driver(mv88e6xxx_driver);
7260 
7261 MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>");
7262 MODULE_DESCRIPTION("Driver for Marvell 88E6XXX ethernet switch chips");
7263 MODULE_LICENSE("GPL");
7264