xref: /linux/drivers/net/dsa/mv88e6xxx/chip.c (revision 4003c9e78778e93188a09d6043a74f7154449d43)
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/property.h>
31 #include <linux/netdevice.h>
32 #include <linux/gpio/consumer.h>
33 #include <linux/phylink.h>
34 #include <net/dsa.h>
35 
36 #include "chip.h"
37 #include "devlink.h"
38 #include "global1.h"
39 #include "global2.h"
40 #include "hwtstamp.h"
41 #include "phy.h"
42 #include "port.h"
43 #include "ptp.h"
44 #include "serdes.h"
45 #include "smi.h"
46 
assert_reg_lock(struct mv88e6xxx_chip * chip)47 static void assert_reg_lock(struct mv88e6xxx_chip *chip)
48 {
49 	if (unlikely(!mutex_is_locked(&chip->reg_lock))) {
50 		dev_err(chip->dev, "Switch registers lock not held!\n");
51 		dump_stack();
52 	}
53 }
54 
mv88e6xxx_read(struct mv88e6xxx_chip * chip,int addr,int reg,u16 * val)55 int mv88e6xxx_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val)
56 {
57 	int err;
58 
59 	assert_reg_lock(chip);
60 
61 	err = mv88e6xxx_smi_read(chip, addr, reg, val);
62 	if (err)
63 		return err;
64 
65 	dev_dbg(chip->dev, "<- addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
66 		addr, reg, *val);
67 
68 	return 0;
69 }
70 
mv88e6xxx_write(struct mv88e6xxx_chip * chip,int addr,int reg,u16 val)71 int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val)
72 {
73 	int err;
74 
75 	assert_reg_lock(chip);
76 
77 	err = mv88e6xxx_smi_write(chip, addr, reg, val);
78 	if (err)
79 		return err;
80 
81 	dev_dbg(chip->dev, "-> addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
82 		addr, reg, val);
83 
84 	return 0;
85 }
86 
mv88e6xxx_wait_mask(struct mv88e6xxx_chip * chip,int addr,int reg,u16 mask,u16 val)87 int mv88e6xxx_wait_mask(struct mv88e6xxx_chip *chip, int addr, int reg,
88 			u16 mask, u16 val)
89 {
90 	const unsigned long timeout = jiffies + msecs_to_jiffies(50);
91 	u16 data;
92 	int err;
93 	int i;
94 
95 	/* There's no bus specific operation to wait for a mask. Even
96 	 * if the initial poll takes longer than 50ms, always do at
97 	 * least one more attempt.
98 	 */
99 	for (i = 0; time_before(jiffies, timeout) || (i < 2); i++) {
100 		err = mv88e6xxx_read(chip, addr, reg, &data);
101 		if (err)
102 			return err;
103 
104 		if ((data & mask) == val)
105 			return 0;
106 
107 		if (i < 2)
108 			cpu_relax();
109 		else
110 			usleep_range(1000, 2000);
111 	}
112 
113 	err = mv88e6xxx_read(chip, addr, reg, &data);
114 	if (err)
115 		return err;
116 
117 	if ((data & mask) == val)
118 		return 0;
119 
120 	dev_err(chip->dev, "Timeout while waiting for switch\n");
121 	return -ETIMEDOUT;
122 }
123 
mv88e6xxx_wait_bit(struct mv88e6xxx_chip * chip,int addr,int reg,int bit,int val)124 int mv88e6xxx_wait_bit(struct mv88e6xxx_chip *chip, int addr, int reg,
125 		       int bit, int val)
126 {
127 	return mv88e6xxx_wait_mask(chip, addr, reg, BIT(bit),
128 				   val ? BIT(bit) : 0x0000);
129 }
130 
mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip * chip)131 struct mii_bus *mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip *chip)
132 {
133 	struct mv88e6xxx_mdio_bus *mdio_bus;
134 
135 	mdio_bus = list_first_entry_or_null(&chip->mdios,
136 					    struct mv88e6xxx_mdio_bus, list);
137 	if (!mdio_bus)
138 		return NULL;
139 
140 	return mdio_bus->bus;
141 }
142 
mv88e6xxx_g1_irq_mask(struct irq_data * d)143 static void mv88e6xxx_g1_irq_mask(struct irq_data *d)
144 {
145 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
146 	unsigned int n = d->hwirq;
147 
148 	chip->g1_irq.masked |= (1 << n);
149 }
150 
mv88e6xxx_g1_irq_unmask(struct irq_data * d)151 static void mv88e6xxx_g1_irq_unmask(struct irq_data *d)
152 {
153 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
154 	unsigned int n = d->hwirq;
155 
156 	chip->g1_irq.masked &= ~(1 << n);
157 }
158 
mv88e6xxx_g1_irq_thread_work(struct mv88e6xxx_chip * chip)159 static irqreturn_t mv88e6xxx_g1_irq_thread_work(struct mv88e6xxx_chip *chip)
160 {
161 	unsigned int nhandled = 0;
162 	unsigned int sub_irq;
163 	unsigned int n;
164 	u16 reg;
165 	u16 ctl1;
166 	int err;
167 
168 	mv88e6xxx_reg_lock(chip);
169 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
170 	mv88e6xxx_reg_unlock(chip);
171 
172 	if (err)
173 		goto out;
174 
175 	do {
176 		for (n = 0; n < chip->g1_irq.nirqs; ++n) {
177 			if (reg & (1 << n)) {
178 				sub_irq = irq_find_mapping(chip->g1_irq.domain,
179 							   n);
180 				handle_nested_irq(sub_irq);
181 				++nhandled;
182 			}
183 		}
184 
185 		mv88e6xxx_reg_lock(chip);
186 		err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &ctl1);
187 		if (err)
188 			goto unlock;
189 		err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
190 unlock:
191 		mv88e6xxx_reg_unlock(chip);
192 		if (err)
193 			goto out;
194 		ctl1 &= GENMASK(chip->g1_irq.nirqs, 0);
195 	} while (reg & ctl1);
196 
197 out:
198 	return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE);
199 }
200 
mv88e6xxx_g1_irq_thread_fn(int irq,void * dev_id)201 static irqreturn_t mv88e6xxx_g1_irq_thread_fn(int irq, void *dev_id)
202 {
203 	struct mv88e6xxx_chip *chip = dev_id;
204 
205 	return mv88e6xxx_g1_irq_thread_work(chip);
206 }
207 
mv88e6xxx_g1_irq_bus_lock(struct irq_data * d)208 static void mv88e6xxx_g1_irq_bus_lock(struct irq_data *d)
209 {
210 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
211 
212 	mv88e6xxx_reg_lock(chip);
213 }
214 
mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data * d)215 static void mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data *d)
216 {
217 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
218 	u16 mask = GENMASK(chip->g1_irq.nirqs, 0);
219 	u16 reg;
220 	int err;
221 
222 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &reg);
223 	if (err)
224 		goto out;
225 
226 	reg &= ~mask;
227 	reg |= (~chip->g1_irq.masked & mask);
228 
229 	err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, reg);
230 	if (err)
231 		goto out;
232 
233 out:
234 	mv88e6xxx_reg_unlock(chip);
235 }
236 
237 static const struct irq_chip mv88e6xxx_g1_irq_chip = {
238 	.name			= "mv88e6xxx-g1",
239 	.irq_mask		= mv88e6xxx_g1_irq_mask,
240 	.irq_unmask		= mv88e6xxx_g1_irq_unmask,
241 	.irq_bus_lock		= mv88e6xxx_g1_irq_bus_lock,
242 	.irq_bus_sync_unlock	= mv88e6xxx_g1_irq_bus_sync_unlock,
243 };
244 
mv88e6xxx_g1_irq_domain_map(struct irq_domain * d,unsigned int irq,irq_hw_number_t hwirq)245 static int mv88e6xxx_g1_irq_domain_map(struct irq_domain *d,
246 				       unsigned int irq,
247 				       irq_hw_number_t hwirq)
248 {
249 	struct mv88e6xxx_chip *chip = d->host_data;
250 
251 	irq_set_chip_data(irq, d->host_data);
252 	irq_set_chip_and_handler(irq, &chip->g1_irq.chip, handle_level_irq);
253 	irq_set_noprobe(irq);
254 
255 	return 0;
256 }
257 
258 static const struct irq_domain_ops mv88e6xxx_g1_irq_domain_ops = {
259 	.map	= mv88e6xxx_g1_irq_domain_map,
260 	.xlate	= irq_domain_xlate_twocell,
261 };
262 
263 /* To be called with reg_lock held */
mv88e6xxx_g1_irq_free_common(struct mv88e6xxx_chip * chip)264 static void mv88e6xxx_g1_irq_free_common(struct mv88e6xxx_chip *chip)
265 {
266 	int irq, virq;
267 	u16 mask;
268 
269 	mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
270 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
271 	mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
272 
273 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++) {
274 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
275 		irq_dispose_mapping(virq);
276 	}
277 
278 	irq_domain_remove(chip->g1_irq.domain);
279 }
280 
mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip * chip)281 static void mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip *chip)
282 {
283 	/*
284 	 * free_irq must be called without reg_lock taken because the irq
285 	 * handler takes this lock, too.
286 	 */
287 	free_irq(chip->irq, chip);
288 
289 	mv88e6xxx_reg_lock(chip);
290 	mv88e6xxx_g1_irq_free_common(chip);
291 	mv88e6xxx_reg_unlock(chip);
292 }
293 
mv88e6xxx_g1_irq_setup_common(struct mv88e6xxx_chip * chip)294 static int mv88e6xxx_g1_irq_setup_common(struct mv88e6xxx_chip *chip)
295 {
296 	int err, irq, virq;
297 	u16 reg, mask;
298 
299 	chip->g1_irq.nirqs = chip->info->g1_irqs;
300 	chip->g1_irq.domain = irq_domain_add_simple(
301 		NULL, chip->g1_irq.nirqs, 0,
302 		&mv88e6xxx_g1_irq_domain_ops, chip);
303 	if (!chip->g1_irq.domain)
304 		return -ENOMEM;
305 
306 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++)
307 		irq_create_mapping(chip->g1_irq.domain, irq);
308 
309 	chip->g1_irq.chip = mv88e6xxx_g1_irq_chip;
310 	chip->g1_irq.masked = ~0;
311 
312 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
313 	if (err)
314 		goto out_mapping;
315 
316 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
317 
318 	err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
319 	if (err)
320 		goto out_disable;
321 
322 	/* Reading the interrupt status clears (most of) them */
323 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
324 	if (err)
325 		goto out_disable;
326 
327 	return 0;
328 
329 out_disable:
330 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
331 	mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
332 
333 out_mapping:
334 	for (irq = 0; irq < 16; irq++) {
335 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
336 		irq_dispose_mapping(virq);
337 	}
338 
339 	irq_domain_remove(chip->g1_irq.domain);
340 
341 	return err;
342 }
343 
mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip * chip)344 static int mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip *chip)
345 {
346 	static struct lock_class_key lock_key;
347 	static struct lock_class_key request_key;
348 	int err;
349 
350 	err = mv88e6xxx_g1_irq_setup_common(chip);
351 	if (err)
352 		return err;
353 
354 	/* These lock classes tells lockdep that global 1 irqs are in
355 	 * a different category than their parent GPIO, so it won't
356 	 * report false recursion.
357 	 */
358 	irq_set_lockdep_class(chip->irq, &lock_key, &request_key);
359 
360 	snprintf(chip->irq_name, sizeof(chip->irq_name),
361 		 "mv88e6xxx-%s", dev_name(chip->dev));
362 
363 	mv88e6xxx_reg_unlock(chip);
364 	err = request_threaded_irq(chip->irq, NULL,
365 				   mv88e6xxx_g1_irq_thread_fn,
366 				   IRQF_ONESHOT | IRQF_SHARED,
367 				   chip->irq_name, chip);
368 	mv88e6xxx_reg_lock(chip);
369 	if (err)
370 		mv88e6xxx_g1_irq_free_common(chip);
371 
372 	return err;
373 }
374 
mv88e6xxx_irq_poll(struct kthread_work * work)375 static void mv88e6xxx_irq_poll(struct kthread_work *work)
376 {
377 	struct mv88e6xxx_chip *chip = container_of(work,
378 						   struct mv88e6xxx_chip,
379 						   irq_poll_work.work);
380 	mv88e6xxx_g1_irq_thread_work(chip);
381 
382 	kthread_queue_delayed_work(chip->kworker, &chip->irq_poll_work,
383 				   msecs_to_jiffies(100));
384 }
385 
mv88e6xxx_irq_poll_setup(struct mv88e6xxx_chip * chip)386 static int mv88e6xxx_irq_poll_setup(struct mv88e6xxx_chip *chip)
387 {
388 	int err;
389 
390 	err = mv88e6xxx_g1_irq_setup_common(chip);
391 	if (err)
392 		return err;
393 
394 	kthread_init_delayed_work(&chip->irq_poll_work,
395 				  mv88e6xxx_irq_poll);
396 
397 	chip->kworker = kthread_run_worker(0, "%s", dev_name(chip->dev));
398 	if (IS_ERR(chip->kworker))
399 		return PTR_ERR(chip->kworker);
400 
401 	kthread_queue_delayed_work(chip->kworker, &chip->irq_poll_work,
402 				   msecs_to_jiffies(100));
403 
404 	return 0;
405 }
406 
mv88e6xxx_irq_poll_free(struct mv88e6xxx_chip * chip)407 static void mv88e6xxx_irq_poll_free(struct mv88e6xxx_chip *chip)
408 {
409 	kthread_cancel_delayed_work_sync(&chip->irq_poll_work);
410 	kthread_destroy_worker(chip->kworker);
411 
412 	mv88e6xxx_reg_lock(chip);
413 	mv88e6xxx_g1_irq_free_common(chip);
414 	mv88e6xxx_reg_unlock(chip);
415 }
416 
mv88e6xxx_port_config_interface(struct mv88e6xxx_chip * chip,int port,phy_interface_t interface)417 static int mv88e6xxx_port_config_interface(struct mv88e6xxx_chip *chip,
418 					   int port, phy_interface_t interface)
419 {
420 	int err;
421 
422 	if (chip->info->ops->port_set_rgmii_delay) {
423 		err = chip->info->ops->port_set_rgmii_delay(chip, port,
424 							    interface);
425 		if (err && err != -EOPNOTSUPP)
426 			return err;
427 	}
428 
429 	if (chip->info->ops->port_set_cmode) {
430 		err = chip->info->ops->port_set_cmode(chip, port,
431 						      interface);
432 		if (err && err != -EOPNOTSUPP)
433 			return err;
434 	}
435 
436 	return 0;
437 }
438 
mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip * chip,int port,int link,int speed,int duplex,int pause,phy_interface_t mode)439 static int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port,
440 				    int link, int speed, int duplex, int pause,
441 				    phy_interface_t mode)
442 {
443 	int err;
444 
445 	if (!chip->info->ops->port_set_link)
446 		return 0;
447 
448 	/* Port's MAC control must not be changed unless the link is down */
449 	err = chip->info->ops->port_set_link(chip, port, LINK_FORCED_DOWN);
450 	if (err)
451 		return err;
452 
453 	if (chip->info->ops->port_set_speed_duplex) {
454 		err = chip->info->ops->port_set_speed_duplex(chip, port,
455 							     speed, duplex);
456 		if (err && err != -EOPNOTSUPP)
457 			goto restore_link;
458 	}
459 
460 	if (chip->info->ops->port_set_pause) {
461 		err = chip->info->ops->port_set_pause(chip, port, pause);
462 		if (err)
463 			goto restore_link;
464 	}
465 
466 	err = mv88e6xxx_port_config_interface(chip, port, mode);
467 restore_link:
468 	if (chip->info->ops->port_set_link(chip, port, link))
469 		dev_err(chip->dev, "p%d: failed to restore MAC's link\n", port);
470 
471 	return err;
472 }
473 
mv88e6xxx_phy_is_internal(struct mv88e6xxx_chip * chip,int port)474 static int mv88e6xxx_phy_is_internal(struct mv88e6xxx_chip *chip, int port)
475 {
476 	return port >= chip->info->internal_phys_offset &&
477 		port < chip->info->num_internal_phys +
478 			chip->info->internal_phys_offset;
479 }
480 
mv88e6xxx_port_ppu_updates(struct mv88e6xxx_chip * chip,int port)481 static int mv88e6xxx_port_ppu_updates(struct mv88e6xxx_chip *chip, int port)
482 {
483 	u16 reg;
484 	int err;
485 
486 	/* The 88e6250 family does not have the PHY detect bit. Instead,
487 	 * report whether the port is internal.
488 	 */
489 	if (chip->info->family == MV88E6XXX_FAMILY_6250)
490 		return mv88e6xxx_phy_is_internal(chip, port);
491 
492 	err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, &reg);
493 	if (err) {
494 		dev_err(chip->dev,
495 			"p%d: %s: failed to read port status\n",
496 			port, __func__);
497 		return err;
498 	}
499 
500 	return !!(reg & MV88E6XXX_PORT_STS_PHY_DETECT);
501 }
502 
503 static const u8 mv88e6185_phy_interface_modes[] = {
504 	[MV88E6185_PORT_STS_CMODE_GMII_FD]	 = PHY_INTERFACE_MODE_GMII,
505 	[MV88E6185_PORT_STS_CMODE_MII_100_FD_PS] = PHY_INTERFACE_MODE_MII,
506 	[MV88E6185_PORT_STS_CMODE_MII_100]	 = PHY_INTERFACE_MODE_MII,
507 	[MV88E6185_PORT_STS_CMODE_MII_10]	 = PHY_INTERFACE_MODE_MII,
508 	[MV88E6185_PORT_STS_CMODE_SERDES]	 = PHY_INTERFACE_MODE_1000BASEX,
509 	[MV88E6185_PORT_STS_CMODE_1000BASE_X]	 = PHY_INTERFACE_MODE_1000BASEX,
510 	[MV88E6185_PORT_STS_CMODE_PHY]		 = PHY_INTERFACE_MODE_SGMII,
511 };
512 
mv88e6095_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)513 static void mv88e6095_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
514 				       struct phylink_config *config)
515 {
516 	u8 cmode = chip->ports[port].cmode;
517 
518 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100;
519 
520 	if (mv88e6xxx_phy_is_internal(chip, port)) {
521 		__set_bit(PHY_INTERFACE_MODE_MII, config->supported_interfaces);
522 	} else {
523 		if (cmode < ARRAY_SIZE(mv88e6185_phy_interface_modes) &&
524 		    mv88e6185_phy_interface_modes[cmode])
525 			__set_bit(mv88e6185_phy_interface_modes[cmode],
526 				  config->supported_interfaces);
527 
528 		config->mac_capabilities |= MAC_1000FD;
529 	}
530 }
531 
mv88e6185_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)532 static void mv88e6185_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
533 				       struct phylink_config *config)
534 {
535 	u8 cmode = chip->ports[port].cmode;
536 
537 	if (cmode < ARRAY_SIZE(mv88e6185_phy_interface_modes) &&
538 	    mv88e6185_phy_interface_modes[cmode])
539 		__set_bit(mv88e6185_phy_interface_modes[cmode],
540 			  config->supported_interfaces);
541 
542 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
543 				   MAC_1000FD;
544 }
545 
546 static const u8 mv88e6xxx_phy_interface_modes[] = {
547 	[MV88E6XXX_PORT_STS_CMODE_MII_PHY]	= PHY_INTERFACE_MODE_REVMII,
548 	[MV88E6XXX_PORT_STS_CMODE_MII]		= PHY_INTERFACE_MODE_MII,
549 	[MV88E6XXX_PORT_STS_CMODE_GMII]		= PHY_INTERFACE_MODE_GMII,
550 	[MV88E6XXX_PORT_STS_CMODE_RMII_PHY]	= PHY_INTERFACE_MODE_REVRMII,
551 	[MV88E6XXX_PORT_STS_CMODE_RMII]		= PHY_INTERFACE_MODE_RMII,
552 	[MV88E6XXX_PORT_STS_CMODE_100BASEX]	= PHY_INTERFACE_MODE_100BASEX,
553 	[MV88E6XXX_PORT_STS_CMODE_1000BASEX]	= PHY_INTERFACE_MODE_1000BASEX,
554 	[MV88E6XXX_PORT_STS_CMODE_SGMII]	= PHY_INTERFACE_MODE_SGMII,
555 	/* higher interface modes are not needed here, since ports supporting
556 	 * them are writable, and so the supported interfaces are filled in the
557 	 * corresponding .phylink_set_interfaces() implementation below
558 	 */
559 };
560 
mv88e6xxx_translate_cmode(u8 cmode,unsigned long * supported)561 static void mv88e6xxx_translate_cmode(u8 cmode, unsigned long *supported)
562 {
563 	if (cmode < ARRAY_SIZE(mv88e6xxx_phy_interface_modes) &&
564 	    mv88e6xxx_phy_interface_modes[cmode])
565 		__set_bit(mv88e6xxx_phy_interface_modes[cmode], supported);
566 	else if (cmode == MV88E6XXX_PORT_STS_CMODE_RGMII)
567 		phy_interface_set_rgmii(supported);
568 }
569 
570 static void
mv88e6250_setup_supported_interfaces(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)571 mv88e6250_setup_supported_interfaces(struct mv88e6xxx_chip *chip, int port,
572 				     struct phylink_config *config)
573 {
574 	unsigned long *supported = config->supported_interfaces;
575 	int err;
576 	u16 reg;
577 
578 	err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, &reg);
579 	if (err) {
580 		dev_err(chip->dev, "p%d: failed to read port status\n", port);
581 		return;
582 	}
583 
584 	switch (reg & MV88E6250_PORT_STS_PORTMODE_MASK) {
585 	case MV88E6250_PORT_STS_PORTMODE_MII_10_HALF_PHY:
586 	case MV88E6250_PORT_STS_PORTMODE_MII_100_HALF_PHY:
587 	case MV88E6250_PORT_STS_PORTMODE_MII_10_FULL_PHY:
588 	case MV88E6250_PORT_STS_PORTMODE_MII_100_FULL_PHY:
589 		__set_bit(PHY_INTERFACE_MODE_REVMII, supported);
590 		break;
591 
592 	case MV88E6250_PORT_STS_PORTMODE_MII_HALF:
593 	case MV88E6250_PORT_STS_PORTMODE_MII_FULL:
594 		__set_bit(PHY_INTERFACE_MODE_MII, supported);
595 		break;
596 
597 	case MV88E6250_PORT_STS_PORTMODE_MII_DUAL_100_RMII_FULL_PHY:
598 	case MV88E6250_PORT_STS_PORTMODE_MII_200_RMII_FULL_PHY:
599 	case MV88E6250_PORT_STS_PORTMODE_MII_10_100_RMII_HALF_PHY:
600 	case MV88E6250_PORT_STS_PORTMODE_MII_10_100_RMII_FULL_PHY:
601 		__set_bit(PHY_INTERFACE_MODE_REVRMII, supported);
602 		break;
603 
604 	case MV88E6250_PORT_STS_PORTMODE_MII_DUAL_100_RMII_FULL:
605 	case MV88E6250_PORT_STS_PORTMODE_MII_10_100_RMII_FULL:
606 		__set_bit(PHY_INTERFACE_MODE_RMII, supported);
607 		break;
608 
609 	case MV88E6250_PORT_STS_PORTMODE_MII_100_RGMII:
610 		__set_bit(PHY_INTERFACE_MODE_RGMII, supported);
611 		break;
612 
613 	default:
614 		dev_err(chip->dev,
615 			"p%d: invalid port mode in status register: %04x\n",
616 			port, reg);
617 	}
618 }
619 
mv88e6250_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)620 static void mv88e6250_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
621 				       struct phylink_config *config)
622 {
623 	if (!mv88e6xxx_phy_is_internal(chip, port))
624 		mv88e6250_setup_supported_interfaces(chip, port, config);
625 
626 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100;
627 }
628 
mv88e6351_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)629 static void mv88e6351_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
630 				       struct phylink_config *config)
631 {
632 	unsigned long *supported = config->supported_interfaces;
633 
634 	/* Translate the default cmode */
635 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
636 
637 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
638 				   MAC_1000FD;
639 }
640 
mv88e63xx_get_port_serdes_cmode(struct mv88e6xxx_chip * chip,int port)641 static int mv88e63xx_get_port_serdes_cmode(struct mv88e6xxx_chip *chip, int port)
642 {
643 	u16 reg, val;
644 	int err;
645 
646 	err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, &reg);
647 	if (err)
648 		return err;
649 
650 	/* If PHY_DETECT is zero, then we are not in auto-media mode */
651 	if (!(reg & MV88E6XXX_PORT_STS_PHY_DETECT))
652 		return 0xf;
653 
654 	val = reg & ~MV88E6XXX_PORT_STS_PHY_DETECT;
655 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_STS, val);
656 	if (err)
657 		return err;
658 
659 	err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, &val);
660 	if (err)
661 		return err;
662 
663 	/* Restore PHY_DETECT value */
664 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_STS, reg);
665 	if (err)
666 		return err;
667 
668 	return val & MV88E6XXX_PORT_STS_CMODE_MASK;
669 }
670 
mv88e6352_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)671 static void mv88e6352_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
672 				       struct phylink_config *config)
673 {
674 	unsigned long *supported = config->supported_interfaces;
675 	int err, cmode;
676 
677 	/* Translate the default cmode */
678 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
679 
680 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
681 				   MAC_1000FD;
682 
683 	/* Port 4 supports automedia if the serdes is associated with it. */
684 	if (port == 4) {
685 		err = mv88e6352_g2_scratch_port_has_serdes(chip, port);
686 		if (err < 0)
687 			dev_err(chip->dev, "p%d: failed to read scratch\n",
688 				port);
689 		if (err <= 0)
690 			return;
691 
692 		cmode = mv88e63xx_get_port_serdes_cmode(chip, port);
693 		if (cmode < 0)
694 			dev_err(chip->dev, "p%d: failed to read serdes cmode\n",
695 				port);
696 		else
697 			mv88e6xxx_translate_cmode(cmode, supported);
698 	}
699 }
700 
mv88e632x_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)701 static void mv88e632x_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
702 				       struct phylink_config *config)
703 {
704 	unsigned long *supported = config->supported_interfaces;
705 	int cmode;
706 
707 	/* Translate the default cmode */
708 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
709 
710 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
711 				   MAC_1000FD;
712 
713 	/* Port 0/1 are serdes only ports */
714 	if (port == 0 || port == 1) {
715 		cmode = mv88e63xx_get_port_serdes_cmode(chip, port);
716 		if (cmode < 0)
717 			dev_err(chip->dev, "p%d: failed to read serdes cmode\n",
718 				port);
719 		else
720 			mv88e6xxx_translate_cmode(cmode, supported);
721 	}
722 }
723 
mv88e6341_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)724 static void mv88e6341_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
725 				       struct phylink_config *config)
726 {
727 	unsigned long *supported = config->supported_interfaces;
728 
729 	/* Translate the default cmode */
730 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
731 
732 	/* No ethtool bits for 200Mbps */
733 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
734 				   MAC_1000FD;
735 
736 	/* The C_Mode field is programmable on port 5 */
737 	if (port == 5) {
738 		__set_bit(PHY_INTERFACE_MODE_SGMII, supported);
739 		__set_bit(PHY_INTERFACE_MODE_1000BASEX, supported);
740 		__set_bit(PHY_INTERFACE_MODE_2500BASEX, supported);
741 
742 		config->mac_capabilities |= MAC_2500FD;
743 	}
744 }
745 
mv88e6390_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)746 static void mv88e6390_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
747 				       struct phylink_config *config)
748 {
749 	unsigned long *supported = config->supported_interfaces;
750 
751 	/* Translate the default cmode */
752 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
753 
754 	/* No ethtool bits for 200Mbps */
755 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
756 				   MAC_1000FD;
757 
758 	/* The C_Mode field is programmable on ports 9 and 10 */
759 	if (port == 9 || port == 10) {
760 		__set_bit(PHY_INTERFACE_MODE_SGMII, supported);
761 		__set_bit(PHY_INTERFACE_MODE_1000BASEX, supported);
762 		__set_bit(PHY_INTERFACE_MODE_2500BASEX, supported);
763 
764 		config->mac_capabilities |= MAC_2500FD;
765 	}
766 }
767 
mv88e6390x_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)768 static void mv88e6390x_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
769 					struct phylink_config *config)
770 {
771 	unsigned long *supported = config->supported_interfaces;
772 
773 	mv88e6390_phylink_get_caps(chip, port, config);
774 
775 	/* For the 6x90X, ports 2-7 can be in automedia mode.
776 	 * (Note that 6x90 doesn't support RXAUI nor XAUI).
777 	 *
778 	 * Port 2 can also support 1000BASE-X in automedia mode if port 9 is
779 	 * configured for 1000BASE-X, SGMII or 2500BASE-X.
780 	 * Port 3-4 can also support 1000BASE-X in automedia mode if port 9 is
781 	 * configured for RXAUI, 1000BASE-X, SGMII or 2500BASE-X.
782 	 *
783 	 * Port 5 can also support 1000BASE-X in automedia mode if port 10 is
784 	 * configured for 1000BASE-X, SGMII or 2500BASE-X.
785 	 * Port 6-7 can also support 1000BASE-X in automedia mode if port 10 is
786 	 * configured for RXAUI, 1000BASE-X, SGMII or 2500BASE-X.
787 	 *
788 	 * For now, be permissive (as the old code was) and allow 1000BASE-X
789 	 * on ports 2..7.
790 	 */
791 	if (port >= 2 && port <= 7)
792 		__set_bit(PHY_INTERFACE_MODE_1000BASEX, supported);
793 
794 	/* The C_Mode field can also be programmed for 10G speeds */
795 	if (port == 9 || port == 10) {
796 		__set_bit(PHY_INTERFACE_MODE_XAUI, supported);
797 		__set_bit(PHY_INTERFACE_MODE_RXAUI, supported);
798 
799 		config->mac_capabilities |= MAC_10000FD;
800 	}
801 }
802 
mv88e6393x_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)803 static void mv88e6393x_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
804 					struct phylink_config *config)
805 {
806 	unsigned long *supported = config->supported_interfaces;
807 	bool is_6191x =
808 		chip->info->prod_num == MV88E6XXX_PORT_SWITCH_ID_PROD_6191X;
809 	bool is_6361 =
810 		chip->info->prod_num == MV88E6XXX_PORT_SWITCH_ID_PROD_6361;
811 
812 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
813 
814 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
815 				   MAC_1000FD;
816 
817 	/* The C_Mode field can be programmed for ports 0, 9 and 10 */
818 	if (port == 0 || port == 9 || port == 10) {
819 		__set_bit(PHY_INTERFACE_MODE_SGMII, supported);
820 		__set_bit(PHY_INTERFACE_MODE_1000BASEX, supported);
821 
822 		/* 6191X supports >1G modes only on port 10 */
823 		if (!is_6191x || port == 10) {
824 			__set_bit(PHY_INTERFACE_MODE_2500BASEX, supported);
825 			config->mac_capabilities |= MAC_2500FD;
826 
827 			/* 6361 only supports up to 2500BaseX */
828 			if (!is_6361) {
829 				__set_bit(PHY_INTERFACE_MODE_5GBASER, supported);
830 				__set_bit(PHY_INTERFACE_MODE_10GBASER, supported);
831 				__set_bit(PHY_INTERFACE_MODE_USXGMII, supported);
832 				config->mac_capabilities |= MAC_5000FD |
833 					MAC_10000FD;
834 			}
835 		}
836 	}
837 
838 	if (port == 0) {
839 		__set_bit(PHY_INTERFACE_MODE_RMII, supported);
840 		__set_bit(PHY_INTERFACE_MODE_RGMII, supported);
841 		__set_bit(PHY_INTERFACE_MODE_RGMII_ID, supported);
842 		__set_bit(PHY_INTERFACE_MODE_RGMII_RXID, supported);
843 		__set_bit(PHY_INTERFACE_MODE_RGMII_TXID, supported);
844 	}
845 }
846 
mv88e6xxx_get_caps(struct dsa_switch * ds,int port,struct phylink_config * config)847 static void mv88e6xxx_get_caps(struct dsa_switch *ds, int port,
848 			       struct phylink_config *config)
849 {
850 	struct mv88e6xxx_chip *chip = ds->priv;
851 
852 	mv88e6xxx_reg_lock(chip);
853 	chip->info->ops->phylink_get_caps(chip, port, config);
854 	mv88e6xxx_reg_unlock(chip);
855 
856 	if (mv88e6xxx_phy_is_internal(chip, port)) {
857 		__set_bit(PHY_INTERFACE_MODE_INTERNAL,
858 			  config->supported_interfaces);
859 		/* Internal ports with no phy-mode need GMII for PHYLIB */
860 		__set_bit(PHY_INTERFACE_MODE_GMII,
861 			  config->supported_interfaces);
862 	}
863 }
864 
865 static struct phylink_pcs *
mv88e6xxx_mac_select_pcs(struct phylink_config * config,phy_interface_t interface)866 mv88e6xxx_mac_select_pcs(struct phylink_config *config,
867 			 phy_interface_t interface)
868 {
869 	struct dsa_port *dp = dsa_phylink_to_port(config);
870 	struct mv88e6xxx_chip *chip = dp->ds->priv;
871 	struct phylink_pcs *pcs = NULL;
872 
873 	if (chip->info->ops->pcs_ops)
874 		pcs = chip->info->ops->pcs_ops->pcs_select(chip, dp->index,
875 							   interface);
876 
877 	return pcs;
878 }
879 
mv88e6xxx_mac_prepare(struct phylink_config * config,unsigned int mode,phy_interface_t interface)880 static int mv88e6xxx_mac_prepare(struct phylink_config *config,
881 				 unsigned int mode, phy_interface_t interface)
882 {
883 	struct dsa_port *dp = dsa_phylink_to_port(config);
884 	struct mv88e6xxx_chip *chip = dp->ds->priv;
885 	int port = dp->index;
886 	int err = 0;
887 
888 	/* In inband mode, the link may come up at any time while the link
889 	 * is not forced down. Force the link down while we reconfigure the
890 	 * interface mode.
891 	 */
892 	if (mode == MLO_AN_INBAND &&
893 	    chip->ports[port].interface != interface &&
894 	    chip->info->ops->port_set_link) {
895 		mv88e6xxx_reg_lock(chip);
896 		err = chip->info->ops->port_set_link(chip, port,
897 						     LINK_FORCED_DOWN);
898 		mv88e6xxx_reg_unlock(chip);
899 	}
900 
901 	return err;
902 }
903 
mv88e6xxx_mac_config(struct phylink_config * config,unsigned int mode,const struct phylink_link_state * state)904 static void mv88e6xxx_mac_config(struct phylink_config *config,
905 				 unsigned int mode,
906 				 const struct phylink_link_state *state)
907 {
908 	struct dsa_port *dp = dsa_phylink_to_port(config);
909 	struct mv88e6xxx_chip *chip = dp->ds->priv;
910 	int port = dp->index;
911 	int err = 0;
912 
913 	mv88e6xxx_reg_lock(chip);
914 
915 	if (mode != MLO_AN_PHY || !mv88e6xxx_phy_is_internal(chip, port)) {
916 		err = mv88e6xxx_port_config_interface(chip, port,
917 						      state->interface);
918 		if (err && err != -EOPNOTSUPP)
919 			goto err_unlock;
920 	}
921 
922 err_unlock:
923 	mv88e6xxx_reg_unlock(chip);
924 
925 	if (err && err != -EOPNOTSUPP)
926 		dev_err(chip->dev, "p%d: failed to configure MAC/PCS\n", port);
927 }
928 
mv88e6xxx_mac_finish(struct phylink_config * config,unsigned int mode,phy_interface_t interface)929 static int mv88e6xxx_mac_finish(struct phylink_config *config,
930 				unsigned int mode, phy_interface_t interface)
931 {
932 	struct dsa_port *dp = dsa_phylink_to_port(config);
933 	struct mv88e6xxx_chip *chip = dp->ds->priv;
934 	int port = dp->index;
935 	int err = 0;
936 
937 	/* Undo the forced down state above after completing configuration
938 	 * irrespective of its state on entry, which allows the link to come
939 	 * up in the in-band case where there is no separate SERDES. Also
940 	 * ensure that the link can come up if the PPU is in use and we are
941 	 * in PHY mode (we treat the PPU as an effective in-band mechanism.)
942 	 */
943 	mv88e6xxx_reg_lock(chip);
944 
945 	if (chip->info->ops->port_set_link &&
946 	    ((mode == MLO_AN_INBAND &&
947 	      chip->ports[port].interface != interface) ||
948 	     (mode == MLO_AN_PHY && mv88e6xxx_port_ppu_updates(chip, port))))
949 		err = chip->info->ops->port_set_link(chip, port, LINK_UNFORCED);
950 
951 	mv88e6xxx_reg_unlock(chip);
952 
953 	chip->ports[port].interface = interface;
954 
955 	return err;
956 }
957 
mv88e6xxx_mac_link_down(struct phylink_config * config,unsigned int mode,phy_interface_t interface)958 static void mv88e6xxx_mac_link_down(struct phylink_config *config,
959 				    unsigned int mode,
960 				    phy_interface_t interface)
961 {
962 	struct dsa_port *dp = dsa_phylink_to_port(config);
963 	struct mv88e6xxx_chip *chip = dp->ds->priv;
964 	const struct mv88e6xxx_ops *ops;
965 	int port = dp->index;
966 	int err = 0;
967 
968 	ops = chip->info->ops;
969 
970 	mv88e6xxx_reg_lock(chip);
971 	/* Force the link down if we know the port may not be automatically
972 	 * updated by the switch or if we are using fixed-link mode.
973 	 */
974 	if ((!mv88e6xxx_port_ppu_updates(chip, port) ||
975 	     mode == MLO_AN_FIXED) && ops->port_sync_link)
976 		err = ops->port_sync_link(chip, port, mode, false);
977 
978 	if (!err && ops->port_set_speed_duplex)
979 		err = ops->port_set_speed_duplex(chip, port, SPEED_UNFORCED,
980 						 DUPLEX_UNFORCED);
981 	mv88e6xxx_reg_unlock(chip);
982 
983 	if (err)
984 		dev_err(chip->dev,
985 			"p%d: failed to force MAC link down\n", port);
986 }
987 
mv88e6xxx_mac_link_up(struct phylink_config * config,struct phy_device * phydev,unsigned int mode,phy_interface_t interface,int speed,int duplex,bool tx_pause,bool rx_pause)988 static void mv88e6xxx_mac_link_up(struct phylink_config *config,
989 				  struct phy_device *phydev,
990 				  unsigned int mode, phy_interface_t interface,
991 				  int speed, int duplex,
992 				  bool tx_pause, bool rx_pause)
993 {
994 	struct dsa_port *dp = dsa_phylink_to_port(config);
995 	struct mv88e6xxx_chip *chip = dp->ds->priv;
996 	const struct mv88e6xxx_ops *ops;
997 	int port = dp->index;
998 	int err = 0;
999 
1000 	ops = chip->info->ops;
1001 
1002 	mv88e6xxx_reg_lock(chip);
1003 	/* Configure and force the link up if we know that the port may not
1004 	 * automatically updated by the switch or if we are using fixed-link
1005 	 * mode.
1006 	 */
1007 	if (!mv88e6xxx_port_ppu_updates(chip, port) ||
1008 	    mode == MLO_AN_FIXED) {
1009 		if (ops->port_set_speed_duplex) {
1010 			err = ops->port_set_speed_duplex(chip, port,
1011 							 speed, duplex);
1012 			if (err && err != -EOPNOTSUPP)
1013 				goto error;
1014 		}
1015 
1016 		if (ops->port_sync_link)
1017 			err = ops->port_sync_link(chip, port, mode, true);
1018 	}
1019 error:
1020 	mv88e6xxx_reg_unlock(chip);
1021 
1022 	if (err && err != -EOPNOTSUPP)
1023 		dev_err(chip->dev,
1024 			"p%d: failed to configure MAC link up\n", port);
1025 }
1026 
mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip * chip,int port)1027 static int mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip *chip, int port)
1028 {
1029 	int err;
1030 
1031 	if (!chip->info->ops->stats_snapshot)
1032 		return -EOPNOTSUPP;
1033 
1034 	mv88e6xxx_reg_lock(chip);
1035 	err = chip->info->ops->stats_snapshot(chip, port);
1036 	mv88e6xxx_reg_unlock(chip);
1037 
1038 	return err;
1039 }
1040 
1041 #define MV88E6XXX_HW_STAT_MAPPER(_fn)				    \
1042 	_fn(in_good_octets,		8, 0x00, STATS_TYPE_BANK0), \
1043 	_fn(in_bad_octets,		4, 0x02, STATS_TYPE_BANK0), \
1044 	_fn(in_unicast,			4, 0x04, STATS_TYPE_BANK0), \
1045 	_fn(in_broadcasts,		4, 0x06, STATS_TYPE_BANK0), \
1046 	_fn(in_multicasts,		4, 0x07, STATS_TYPE_BANK0), \
1047 	_fn(in_pause,			4, 0x16, STATS_TYPE_BANK0), \
1048 	_fn(in_undersize,		4, 0x18, STATS_TYPE_BANK0), \
1049 	_fn(in_fragments,		4, 0x19, STATS_TYPE_BANK0), \
1050 	_fn(in_oversize,		4, 0x1a, STATS_TYPE_BANK0), \
1051 	_fn(in_jabber,			4, 0x1b, STATS_TYPE_BANK0), \
1052 	_fn(in_rx_error,		4, 0x1c, STATS_TYPE_BANK0), \
1053 	_fn(in_fcs_error,		4, 0x1d, STATS_TYPE_BANK0), \
1054 	_fn(out_octets,			8, 0x0e, STATS_TYPE_BANK0), \
1055 	_fn(out_unicast,		4, 0x10, STATS_TYPE_BANK0), \
1056 	_fn(out_broadcasts,		4, 0x13, STATS_TYPE_BANK0), \
1057 	_fn(out_multicasts,		4, 0x12, STATS_TYPE_BANK0), \
1058 	_fn(out_pause,			4, 0x15, STATS_TYPE_BANK0), \
1059 	_fn(excessive,			4, 0x11, STATS_TYPE_BANK0), \
1060 	_fn(collisions,			4, 0x1e, STATS_TYPE_BANK0), \
1061 	_fn(deferred,			4, 0x05, STATS_TYPE_BANK0), \
1062 	_fn(single,			4, 0x14, STATS_TYPE_BANK0), \
1063 	_fn(multiple,			4, 0x17, STATS_TYPE_BANK0), \
1064 	_fn(out_fcs_error,		4, 0x03, STATS_TYPE_BANK0), \
1065 	_fn(late,			4, 0x1f, STATS_TYPE_BANK0), \
1066 	_fn(hist_64bytes,		4, 0x08, STATS_TYPE_BANK0), \
1067 	_fn(hist_65_127bytes,		4, 0x09, STATS_TYPE_BANK0), \
1068 	_fn(hist_128_255bytes,		4, 0x0a, STATS_TYPE_BANK0), \
1069 	_fn(hist_256_511bytes,		4, 0x0b, STATS_TYPE_BANK0), \
1070 	_fn(hist_512_1023bytes,		4, 0x0c, STATS_TYPE_BANK0), \
1071 	_fn(hist_1024_max_bytes,	4, 0x0d, STATS_TYPE_BANK0), \
1072 	_fn(sw_in_discards,		4, 0x10, STATS_TYPE_PORT), \
1073 	_fn(sw_in_filtered,		2, 0x12, STATS_TYPE_PORT), \
1074 	_fn(sw_out_filtered,		2, 0x13, STATS_TYPE_PORT), \
1075 	_fn(in_discards,		4, 0x00, STATS_TYPE_BANK1), \
1076 	_fn(in_filtered,		4, 0x01, STATS_TYPE_BANK1), \
1077 	_fn(in_accepted,		4, 0x02, STATS_TYPE_BANK1), \
1078 	_fn(in_bad_accepted,		4, 0x03, STATS_TYPE_BANK1), \
1079 	_fn(in_good_avb_class_a,	4, 0x04, STATS_TYPE_BANK1), \
1080 	_fn(in_good_avb_class_b,	4, 0x05, STATS_TYPE_BANK1), \
1081 	_fn(in_bad_avb_class_a,		4, 0x06, STATS_TYPE_BANK1), \
1082 	_fn(in_bad_avb_class_b,		4, 0x07, STATS_TYPE_BANK1), \
1083 	_fn(tcam_counter_0,		4, 0x08, STATS_TYPE_BANK1), \
1084 	_fn(tcam_counter_1,		4, 0x09, STATS_TYPE_BANK1), \
1085 	_fn(tcam_counter_2,		4, 0x0a, STATS_TYPE_BANK1), \
1086 	_fn(tcam_counter_3,		4, 0x0b, STATS_TYPE_BANK1), \
1087 	_fn(in_da_unknown,		4, 0x0e, STATS_TYPE_BANK1), \
1088 	_fn(in_management,		4, 0x0f, STATS_TYPE_BANK1), \
1089 	_fn(out_queue_0,		4, 0x10, STATS_TYPE_BANK1), \
1090 	_fn(out_queue_1,		4, 0x11, STATS_TYPE_BANK1), \
1091 	_fn(out_queue_2,		4, 0x12, STATS_TYPE_BANK1), \
1092 	_fn(out_queue_3,		4, 0x13, STATS_TYPE_BANK1), \
1093 	_fn(out_queue_4,		4, 0x14, STATS_TYPE_BANK1), \
1094 	_fn(out_queue_5,		4, 0x15, STATS_TYPE_BANK1), \
1095 	_fn(out_queue_6,		4, 0x16, STATS_TYPE_BANK1), \
1096 	_fn(out_queue_7,		4, 0x17, STATS_TYPE_BANK1), \
1097 	_fn(out_cut_through,		4, 0x18, STATS_TYPE_BANK1), \
1098 	_fn(out_octets_a,		4, 0x1a, STATS_TYPE_BANK1), \
1099 	_fn(out_octets_b,		4, 0x1b, STATS_TYPE_BANK1), \
1100 	_fn(out_management,		4, 0x1f, STATS_TYPE_BANK1), \
1101 	/*  */
1102 
1103 #define MV88E6XXX_HW_STAT_ENTRY(_string, _size, _reg, _type) \
1104 	{ #_string, _size, _reg, _type }
1105 static const struct mv88e6xxx_hw_stat mv88e6xxx_hw_stats[] = {
1106 	MV88E6XXX_HW_STAT_MAPPER(MV88E6XXX_HW_STAT_ENTRY)
1107 };
1108 
1109 #define MV88E6XXX_HW_STAT_ENUM(_string, _size, _reg, _type) \
1110 	MV88E6XXX_HW_STAT_ID_ ## _string
1111 enum mv88e6xxx_hw_stat_id {
1112 	MV88E6XXX_HW_STAT_MAPPER(MV88E6XXX_HW_STAT_ENUM)
1113 };
1114 
_mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_hw_stat * s,int port,u16 bank1_select,u16 histogram)1115 static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip,
1116 					    const struct mv88e6xxx_hw_stat *s,
1117 					    int port, u16 bank1_select,
1118 					    u16 histogram)
1119 {
1120 	u32 low;
1121 	u32 high = 0;
1122 	u16 reg = 0;
1123 	int err;
1124 	u64 value;
1125 
1126 	switch (s->type) {
1127 	case STATS_TYPE_PORT:
1128 		err = mv88e6xxx_port_read(chip, port, s->reg, &reg);
1129 		if (err)
1130 			return U64_MAX;
1131 
1132 		low = reg;
1133 		if (s->size == 4) {
1134 			err = mv88e6xxx_port_read(chip, port, s->reg + 1, &reg);
1135 			if (err)
1136 				return U64_MAX;
1137 			low |= ((u32)reg) << 16;
1138 		}
1139 		break;
1140 	case STATS_TYPE_BANK1:
1141 		reg = bank1_select;
1142 		fallthrough;
1143 	case STATS_TYPE_BANK0:
1144 		reg |= s->reg | histogram;
1145 		mv88e6xxx_g1_stats_read(chip, reg, &low);
1146 		if (s->size == 8)
1147 			mv88e6xxx_g1_stats_read(chip, reg + 1, &high);
1148 		break;
1149 	default:
1150 		return U64_MAX;
1151 	}
1152 	value = (((u64)high) << 32) | low;
1153 	return value;
1154 }
1155 
mv88e6xxx_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t ** data,int types)1156 static void mv88e6xxx_stats_get_strings(struct mv88e6xxx_chip *chip,
1157 					uint8_t **data, int types)
1158 {
1159 	const struct mv88e6xxx_hw_stat *stat;
1160 	int i;
1161 
1162 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
1163 		stat = &mv88e6xxx_hw_stats[i];
1164 		if (stat->type & types)
1165 			ethtool_puts(data, stat->string);
1166 	}
1167 }
1168 
mv88e6095_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t ** data)1169 static void mv88e6095_stats_get_strings(struct mv88e6xxx_chip *chip,
1170 					uint8_t **data)
1171 {
1172 	mv88e6xxx_stats_get_strings(chip, data,
1173 				    STATS_TYPE_BANK0 | STATS_TYPE_PORT);
1174 }
1175 
mv88e6250_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t ** data)1176 static void mv88e6250_stats_get_strings(struct mv88e6xxx_chip *chip,
1177 					uint8_t **data)
1178 {
1179 	mv88e6xxx_stats_get_strings(chip, data, STATS_TYPE_BANK0);
1180 }
1181 
mv88e6320_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t ** data)1182 static void mv88e6320_stats_get_strings(struct mv88e6xxx_chip *chip,
1183 					uint8_t **data)
1184 {
1185 	mv88e6xxx_stats_get_strings(chip, data,
1186 				    STATS_TYPE_BANK0 | STATS_TYPE_BANK1);
1187 }
1188 
1189 static const uint8_t *mv88e6xxx_atu_vtu_stats_strings[] = {
1190 	"atu_member_violation",
1191 	"atu_miss_violation",
1192 	"atu_full_violation",
1193 	"vtu_member_violation",
1194 	"vtu_miss_violation",
1195 };
1196 
mv88e6xxx_atu_vtu_get_strings(uint8_t ** data)1197 static void mv88e6xxx_atu_vtu_get_strings(uint8_t **data)
1198 {
1199 	unsigned int i;
1200 
1201 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings); i++)
1202 		ethtool_puts(data, mv88e6xxx_atu_vtu_stats_strings[i]);
1203 }
1204 
mv88e6xxx_get_strings(struct dsa_switch * ds,int port,u32 stringset,uint8_t * data)1205 static void mv88e6xxx_get_strings(struct dsa_switch *ds, int port,
1206 				  u32 stringset, uint8_t *data)
1207 {
1208 	struct mv88e6xxx_chip *chip = ds->priv;
1209 
1210 	if (stringset != ETH_SS_STATS)
1211 		return;
1212 
1213 	mv88e6xxx_reg_lock(chip);
1214 
1215 	if (chip->info->ops->stats_get_strings)
1216 		chip->info->ops->stats_get_strings(chip, &data);
1217 
1218 	if (chip->info->ops->serdes_get_strings)
1219 		chip->info->ops->serdes_get_strings(chip, port, &data);
1220 
1221 	mv88e6xxx_atu_vtu_get_strings(&data);
1222 
1223 	mv88e6xxx_reg_unlock(chip);
1224 }
1225 
mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip * chip,int types)1226 static int mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip *chip,
1227 					  int types)
1228 {
1229 	const struct mv88e6xxx_hw_stat *stat;
1230 	int i, j;
1231 
1232 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
1233 		stat = &mv88e6xxx_hw_stats[i];
1234 		if (stat->type & types)
1235 			j++;
1236 	}
1237 	return j;
1238 }
1239 
mv88e6095_stats_get_sset_count(struct mv88e6xxx_chip * chip)1240 static int mv88e6095_stats_get_sset_count(struct mv88e6xxx_chip *chip)
1241 {
1242 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
1243 					      STATS_TYPE_PORT);
1244 }
1245 
mv88e6250_stats_get_sset_count(struct mv88e6xxx_chip * chip)1246 static int mv88e6250_stats_get_sset_count(struct mv88e6xxx_chip *chip)
1247 {
1248 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0);
1249 }
1250 
mv88e6320_stats_get_sset_count(struct mv88e6xxx_chip * chip)1251 static int mv88e6320_stats_get_sset_count(struct mv88e6xxx_chip *chip)
1252 {
1253 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
1254 					      STATS_TYPE_BANK1);
1255 }
1256 
mv88e6xxx_get_sset_count(struct dsa_switch * ds,int port,int sset)1257 static int mv88e6xxx_get_sset_count(struct dsa_switch *ds, int port, int sset)
1258 {
1259 	struct mv88e6xxx_chip *chip = ds->priv;
1260 	int serdes_count = 0;
1261 	int count = 0;
1262 
1263 	if (sset != ETH_SS_STATS)
1264 		return 0;
1265 
1266 	mv88e6xxx_reg_lock(chip);
1267 	if (chip->info->ops->stats_get_sset_count)
1268 		count = chip->info->ops->stats_get_sset_count(chip);
1269 	if (count < 0)
1270 		goto out;
1271 
1272 	if (chip->info->ops->serdes_get_sset_count)
1273 		serdes_count = chip->info->ops->serdes_get_sset_count(chip,
1274 								      port);
1275 	if (serdes_count < 0) {
1276 		count = serdes_count;
1277 		goto out;
1278 	}
1279 	count += serdes_count;
1280 	count += ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings);
1281 
1282 out:
1283 	mv88e6xxx_reg_unlock(chip);
1284 
1285 	return count;
1286 }
1287 
mv88e6095_stats_get_stat(struct mv88e6xxx_chip * chip,int port,const struct mv88e6xxx_hw_stat * stat,uint64_t * data)1288 static size_t mv88e6095_stats_get_stat(struct mv88e6xxx_chip *chip, int port,
1289 				       const struct mv88e6xxx_hw_stat *stat,
1290 				       uint64_t *data)
1291 {
1292 	*data = _mv88e6xxx_get_ethtool_stat(chip, stat, port, 0,
1293 					    MV88E6XXX_G1_STATS_OP_HIST_RX);
1294 	return 1;
1295 }
1296 
mv88e6250_stats_get_stat(struct mv88e6xxx_chip * chip,int port,const struct mv88e6xxx_hw_stat * stat,uint64_t * data)1297 static size_t mv88e6250_stats_get_stat(struct mv88e6xxx_chip *chip, int port,
1298 				       const struct mv88e6xxx_hw_stat *stat,
1299 				       uint64_t *data)
1300 {
1301 	*data = _mv88e6xxx_get_ethtool_stat(chip, stat, port, 0,
1302 					    MV88E6XXX_G1_STATS_OP_HIST_RX);
1303 	return 1;
1304 }
1305 
mv88e6320_stats_get_stat(struct mv88e6xxx_chip * chip,int port,const struct mv88e6xxx_hw_stat * stat,uint64_t * data)1306 static size_t mv88e6320_stats_get_stat(struct mv88e6xxx_chip *chip, int port,
1307 				       const struct mv88e6xxx_hw_stat *stat,
1308 				       uint64_t *data)
1309 {
1310 	*data = _mv88e6xxx_get_ethtool_stat(chip, stat, port,
1311 					    MV88E6XXX_G1_STATS_OP_BANK_1_BIT_9,
1312 					    MV88E6XXX_G1_STATS_OP_HIST_RX);
1313 	return 1;
1314 }
1315 
mv88e6390_stats_get_stat(struct mv88e6xxx_chip * chip,int port,const struct mv88e6xxx_hw_stat * stat,uint64_t * data)1316 static size_t mv88e6390_stats_get_stat(struct mv88e6xxx_chip *chip, int port,
1317 				       const struct mv88e6xxx_hw_stat *stat,
1318 				       uint64_t *data)
1319 {
1320 	*data = _mv88e6xxx_get_ethtool_stat(chip, stat, port,
1321 					    MV88E6XXX_G1_STATS_OP_BANK_1_BIT_10,
1322 					    0);
1323 	return 1;
1324 }
1325 
mv88e6xxx_stats_get_stat(struct mv88e6xxx_chip * chip,int port,const struct mv88e6xxx_hw_stat * stat,uint64_t * data)1326 static size_t mv88e6xxx_stats_get_stat(struct mv88e6xxx_chip *chip, int port,
1327 				       const struct mv88e6xxx_hw_stat *stat,
1328 				       uint64_t *data)
1329 {
1330 	int ret = 0;
1331 
1332 	if (!(stat->type & chip->info->stats_type))
1333 		return 0;
1334 
1335 	if (chip->info->ops->stats_get_stat) {
1336 		mv88e6xxx_reg_lock(chip);
1337 		ret = chip->info->ops->stats_get_stat(chip, port, stat, data);
1338 		mv88e6xxx_reg_unlock(chip);
1339 	}
1340 
1341 	return ret;
1342 }
1343 
mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1344 static size_t mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1345 					uint64_t *data)
1346 {
1347 	const struct mv88e6xxx_hw_stat *stat;
1348 	size_t i, j;
1349 
1350 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
1351 		stat = &mv88e6xxx_hw_stats[i];
1352 		j += mv88e6xxx_stats_get_stat(chip, port, stat, &data[j]);
1353 	}
1354 	return j;
1355 }
1356 
mv88e6xxx_atu_vtu_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1357 static void mv88e6xxx_atu_vtu_get_stats(struct mv88e6xxx_chip *chip, int port,
1358 					uint64_t *data)
1359 {
1360 	*data++ = chip->ports[port].atu_member_violation;
1361 	*data++ = chip->ports[port].atu_miss_violation;
1362 	*data++ = chip->ports[port].atu_full_violation;
1363 	*data++ = chip->ports[port].vtu_member_violation;
1364 	*data++ = chip->ports[port].vtu_miss_violation;
1365 }
1366 
mv88e6xxx_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1367 static void mv88e6xxx_get_stats(struct mv88e6xxx_chip *chip, int port,
1368 				uint64_t *data)
1369 {
1370 	size_t count;
1371 
1372 	count = mv88e6xxx_stats_get_stats(chip, port, data);
1373 
1374 	mv88e6xxx_reg_lock(chip);
1375 	if (chip->info->ops->serdes_get_stats) {
1376 		data += count;
1377 		count = chip->info->ops->serdes_get_stats(chip, port, data);
1378 	}
1379 	data += count;
1380 	mv88e6xxx_atu_vtu_get_stats(chip, port, data);
1381 	mv88e6xxx_reg_unlock(chip);
1382 }
1383 
mv88e6xxx_get_ethtool_stats(struct dsa_switch * ds,int port,uint64_t * data)1384 static void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds, int port,
1385 					uint64_t *data)
1386 {
1387 	struct mv88e6xxx_chip *chip = ds->priv;
1388 	int ret;
1389 
1390 	ret = mv88e6xxx_stats_snapshot(chip, port);
1391 	if (ret < 0)
1392 		return;
1393 
1394 	mv88e6xxx_get_stats(chip, port, data);
1395 }
1396 
mv88e6xxx_get_eth_mac_stats(struct dsa_switch * ds,int port,struct ethtool_eth_mac_stats * mac_stats)1397 static void mv88e6xxx_get_eth_mac_stats(struct dsa_switch *ds, int port,
1398 					struct ethtool_eth_mac_stats *mac_stats)
1399 {
1400 	struct mv88e6xxx_chip *chip = ds->priv;
1401 	int ret;
1402 
1403 	ret = mv88e6xxx_stats_snapshot(chip, port);
1404 	if (ret < 0)
1405 		return;
1406 
1407 #define MV88E6XXX_ETH_MAC_STAT_MAP(_id, _member)			\
1408 	mv88e6xxx_stats_get_stat(chip, port,				\
1409 				 &mv88e6xxx_hw_stats[MV88E6XXX_HW_STAT_ID_ ## _id], \
1410 				 &mac_stats->stats._member)
1411 
1412 	MV88E6XXX_ETH_MAC_STAT_MAP(out_unicast, FramesTransmittedOK);
1413 	MV88E6XXX_ETH_MAC_STAT_MAP(single, SingleCollisionFrames);
1414 	MV88E6XXX_ETH_MAC_STAT_MAP(multiple, MultipleCollisionFrames);
1415 	MV88E6XXX_ETH_MAC_STAT_MAP(in_unicast, FramesReceivedOK);
1416 	MV88E6XXX_ETH_MAC_STAT_MAP(in_fcs_error, FrameCheckSequenceErrors);
1417 	MV88E6XXX_ETH_MAC_STAT_MAP(out_octets, OctetsTransmittedOK);
1418 	MV88E6XXX_ETH_MAC_STAT_MAP(deferred, FramesWithDeferredXmissions);
1419 	MV88E6XXX_ETH_MAC_STAT_MAP(late, LateCollisions);
1420 	MV88E6XXX_ETH_MAC_STAT_MAP(in_good_octets, OctetsReceivedOK);
1421 	MV88E6XXX_ETH_MAC_STAT_MAP(out_multicasts, MulticastFramesXmittedOK);
1422 	MV88E6XXX_ETH_MAC_STAT_MAP(out_broadcasts, BroadcastFramesXmittedOK);
1423 	MV88E6XXX_ETH_MAC_STAT_MAP(excessive, FramesWithExcessiveDeferral);
1424 	MV88E6XXX_ETH_MAC_STAT_MAP(in_multicasts, MulticastFramesReceivedOK);
1425 	MV88E6XXX_ETH_MAC_STAT_MAP(in_broadcasts, BroadcastFramesReceivedOK);
1426 
1427 #undef MV88E6XXX_ETH_MAC_STAT_MAP
1428 
1429 	mac_stats->stats.FramesTransmittedOK += mac_stats->stats.MulticastFramesXmittedOK;
1430 	mac_stats->stats.FramesTransmittedOK += mac_stats->stats.BroadcastFramesXmittedOK;
1431 	mac_stats->stats.FramesReceivedOK += mac_stats->stats.MulticastFramesReceivedOK;
1432 	mac_stats->stats.FramesReceivedOK += mac_stats->stats.BroadcastFramesReceivedOK;
1433 }
1434 
mv88e6xxx_get_rmon_stats(struct dsa_switch * ds,int port,struct ethtool_rmon_stats * rmon_stats,const struct ethtool_rmon_hist_range ** ranges)1435 static void mv88e6xxx_get_rmon_stats(struct dsa_switch *ds, int port,
1436 				     struct ethtool_rmon_stats *rmon_stats,
1437 				     const struct ethtool_rmon_hist_range **ranges)
1438 {
1439 	static const struct ethtool_rmon_hist_range rmon_ranges[] = {
1440 		{   64,    64 },
1441 		{   65,   127 },
1442 		{  128,   255 },
1443 		{  256,   511 },
1444 		{  512,  1023 },
1445 		{ 1024, 65535 },
1446 		{}
1447 	};
1448 	struct mv88e6xxx_chip *chip = ds->priv;
1449 	int ret;
1450 
1451 	ret = mv88e6xxx_stats_snapshot(chip, port);
1452 	if (ret < 0)
1453 		return;
1454 
1455 #define MV88E6XXX_RMON_STAT_MAP(_id, _member)				\
1456 	mv88e6xxx_stats_get_stat(chip, port,				\
1457 				 &mv88e6xxx_hw_stats[MV88E6XXX_HW_STAT_ID_ ## _id], \
1458 				 &rmon_stats->stats._member)
1459 
1460 	MV88E6XXX_RMON_STAT_MAP(in_undersize, undersize_pkts);
1461 	MV88E6XXX_RMON_STAT_MAP(in_oversize, oversize_pkts);
1462 	MV88E6XXX_RMON_STAT_MAP(in_fragments, fragments);
1463 	MV88E6XXX_RMON_STAT_MAP(in_jabber, jabbers);
1464 	MV88E6XXX_RMON_STAT_MAP(hist_64bytes, hist[0]);
1465 	MV88E6XXX_RMON_STAT_MAP(hist_65_127bytes, hist[1]);
1466 	MV88E6XXX_RMON_STAT_MAP(hist_128_255bytes, hist[2]);
1467 	MV88E6XXX_RMON_STAT_MAP(hist_256_511bytes, hist[3]);
1468 	MV88E6XXX_RMON_STAT_MAP(hist_512_1023bytes, hist[4]);
1469 	MV88E6XXX_RMON_STAT_MAP(hist_1024_max_bytes, hist[5]);
1470 
1471 #undef MV88E6XXX_RMON_STAT_MAP
1472 
1473 	*ranges = rmon_ranges;
1474 }
1475 
mv88e6xxx_get_regs_len(struct dsa_switch * ds,int port)1476 static int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port)
1477 {
1478 	struct mv88e6xxx_chip *chip = ds->priv;
1479 	int len;
1480 
1481 	len = 32 * sizeof(u16);
1482 	if (chip->info->ops->serdes_get_regs_len)
1483 		len += chip->info->ops->serdes_get_regs_len(chip, port);
1484 
1485 	return len;
1486 }
1487 
mv88e6xxx_get_regs(struct dsa_switch * ds,int port,struct ethtool_regs * regs,void * _p)1488 static void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,
1489 			       struct ethtool_regs *regs, void *_p)
1490 {
1491 	struct mv88e6xxx_chip *chip = ds->priv;
1492 	int err;
1493 	u16 reg;
1494 	u16 *p = _p;
1495 	int i;
1496 
1497 	regs->version = chip->info->prod_num;
1498 
1499 	memset(p, 0xff, 32 * sizeof(u16));
1500 
1501 	mv88e6xxx_reg_lock(chip);
1502 
1503 	for (i = 0; i < 32; i++) {
1504 
1505 		err = mv88e6xxx_port_read(chip, port, i, &reg);
1506 		if (!err)
1507 			p[i] = reg;
1508 	}
1509 
1510 	if (chip->info->ops->serdes_get_regs)
1511 		chip->info->ops->serdes_get_regs(chip, port, &p[i]);
1512 
1513 	mv88e6xxx_reg_unlock(chip);
1514 }
1515 
mv88e6xxx_set_mac_eee(struct dsa_switch * ds,int port,struct ethtool_keee * e)1516 static int mv88e6xxx_set_mac_eee(struct dsa_switch *ds, int port,
1517 				 struct ethtool_keee *e)
1518 {
1519 	/* Nothing to do on the port's MAC */
1520 	return 0;
1521 }
1522 
1523 /* 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)1524 static u16 mv88e6xxx_port_vlan(struct mv88e6xxx_chip *chip, int dev, int port)
1525 {
1526 	struct dsa_switch *ds = chip->ds;
1527 	struct dsa_switch_tree *dst = ds->dst;
1528 	struct dsa_port *dp, *other_dp;
1529 	bool found = false;
1530 	u16 pvlan;
1531 
1532 	/* dev is a physical switch */
1533 	if (dev <= dst->last_switch) {
1534 		list_for_each_entry(dp, &dst->ports, list) {
1535 			if (dp->ds->index == dev && dp->index == port) {
1536 				/* dp might be a DSA link or a user port, so it
1537 				 * might or might not have a bridge.
1538 				 * Use the "found" variable for both cases.
1539 				 */
1540 				found = true;
1541 				break;
1542 			}
1543 		}
1544 	/* dev is a virtual bridge */
1545 	} else {
1546 		list_for_each_entry(dp, &dst->ports, list) {
1547 			unsigned int bridge_num = dsa_port_bridge_num_get(dp);
1548 
1549 			if (!bridge_num)
1550 				continue;
1551 
1552 			if (bridge_num + dst->last_switch != dev)
1553 				continue;
1554 
1555 			found = true;
1556 			break;
1557 		}
1558 	}
1559 
1560 	/* Prevent frames from unknown switch or virtual bridge */
1561 	if (!found)
1562 		return 0;
1563 
1564 	/* Frames from DSA links and CPU ports can egress any local port */
1565 	if (dp->type == DSA_PORT_TYPE_CPU || dp->type == DSA_PORT_TYPE_DSA)
1566 		return mv88e6xxx_port_mask(chip);
1567 
1568 	pvlan = 0;
1569 
1570 	/* Frames from standalone user ports can only egress on the
1571 	 * upstream port.
1572 	 */
1573 	if (!dsa_port_bridge_dev_get(dp))
1574 		return BIT(dsa_switch_upstream_port(ds));
1575 
1576 	/* Frames from bridged user ports can egress any local DSA
1577 	 * links and CPU ports, as well as any local member of their
1578 	 * bridge group.
1579 	 */
1580 	dsa_switch_for_each_port(other_dp, ds)
1581 		if (other_dp->type == DSA_PORT_TYPE_CPU ||
1582 		    other_dp->type == DSA_PORT_TYPE_DSA ||
1583 		    dsa_port_bridge_same(dp, other_dp))
1584 			pvlan |= BIT(other_dp->index);
1585 
1586 	return pvlan;
1587 }
1588 
mv88e6xxx_port_vlan_map(struct mv88e6xxx_chip * chip,int port)1589 static int mv88e6xxx_port_vlan_map(struct mv88e6xxx_chip *chip, int port)
1590 {
1591 	u16 output_ports = mv88e6xxx_port_vlan(chip, chip->ds->index, port);
1592 
1593 	/* prevent frames from going back out of the port they came in on */
1594 	output_ports &= ~BIT(port);
1595 
1596 	return mv88e6xxx_port_set_vlan_map(chip, port, output_ports);
1597 }
1598 
mv88e6xxx_port_stp_state_set(struct dsa_switch * ds,int port,u8 state)1599 static void mv88e6xxx_port_stp_state_set(struct dsa_switch *ds, int port,
1600 					 u8 state)
1601 {
1602 	struct mv88e6xxx_chip *chip = ds->priv;
1603 	int err;
1604 
1605 	mv88e6xxx_reg_lock(chip);
1606 	err = mv88e6xxx_port_set_state(chip, port, state);
1607 	mv88e6xxx_reg_unlock(chip);
1608 
1609 	if (err)
1610 		dev_err(ds->dev, "p%d: failed to update state\n", port);
1611 }
1612 
mv88e6xxx_pri_setup(struct mv88e6xxx_chip * chip)1613 static int mv88e6xxx_pri_setup(struct mv88e6xxx_chip *chip)
1614 {
1615 	int err;
1616 
1617 	if (chip->info->ops->ieee_pri_map) {
1618 		err = chip->info->ops->ieee_pri_map(chip);
1619 		if (err)
1620 			return err;
1621 	}
1622 
1623 	if (chip->info->ops->ip_pri_map) {
1624 		err = chip->info->ops->ip_pri_map(chip);
1625 		if (err)
1626 			return err;
1627 	}
1628 
1629 	return 0;
1630 }
1631 
mv88e6xxx_devmap_setup(struct mv88e6xxx_chip * chip)1632 static int mv88e6xxx_devmap_setup(struct mv88e6xxx_chip *chip)
1633 {
1634 	struct dsa_switch *ds = chip->ds;
1635 	int target, port;
1636 	int err;
1637 
1638 	if (!chip->info->global2_addr)
1639 		return 0;
1640 
1641 	/* Initialize the routing port to the 32 possible target devices */
1642 	for (target = 0; target < 32; target++) {
1643 		port = dsa_routing_port(ds, target);
1644 		if (port == ds->num_ports)
1645 			port = 0x1f;
1646 
1647 		err = mv88e6xxx_g2_device_mapping_write(chip, target, port);
1648 		if (err)
1649 			return err;
1650 	}
1651 
1652 	if (chip->info->ops->set_cascade_port) {
1653 		port = MV88E6XXX_CASCADE_PORT_MULTIPLE;
1654 		err = chip->info->ops->set_cascade_port(chip, port);
1655 		if (err)
1656 			return err;
1657 	}
1658 
1659 	err = mv88e6xxx_g1_set_device_number(chip, chip->ds->index);
1660 	if (err)
1661 		return err;
1662 
1663 	return 0;
1664 }
1665 
mv88e6xxx_trunk_setup(struct mv88e6xxx_chip * chip)1666 static int mv88e6xxx_trunk_setup(struct mv88e6xxx_chip *chip)
1667 {
1668 	/* Clear all trunk masks and mapping */
1669 	if (chip->info->global2_addr)
1670 		return mv88e6xxx_g2_trunk_clear(chip);
1671 
1672 	return 0;
1673 }
1674 
mv88e6xxx_rmu_setup(struct mv88e6xxx_chip * chip)1675 static int mv88e6xxx_rmu_setup(struct mv88e6xxx_chip *chip)
1676 {
1677 	if (chip->info->ops->rmu_disable)
1678 		return chip->info->ops->rmu_disable(chip);
1679 
1680 	return 0;
1681 }
1682 
mv88e6xxx_pot_setup(struct mv88e6xxx_chip * chip)1683 static int mv88e6xxx_pot_setup(struct mv88e6xxx_chip *chip)
1684 {
1685 	if (chip->info->ops->pot_clear)
1686 		return chip->info->ops->pot_clear(chip);
1687 
1688 	return 0;
1689 }
1690 
mv88e6xxx_rsvd2cpu_setup(struct mv88e6xxx_chip * chip)1691 static int mv88e6xxx_rsvd2cpu_setup(struct mv88e6xxx_chip *chip)
1692 {
1693 	if (chip->info->ops->mgmt_rsvd2cpu)
1694 		return chip->info->ops->mgmt_rsvd2cpu(chip);
1695 
1696 	return 0;
1697 }
1698 
mv88e6xxx_atu_setup(struct mv88e6xxx_chip * chip)1699 static int mv88e6xxx_atu_setup(struct mv88e6xxx_chip *chip)
1700 {
1701 	int err;
1702 
1703 	err = mv88e6xxx_g1_atu_flush(chip, 0, true);
1704 	if (err)
1705 		return err;
1706 
1707 	/* The chips that have a "learn2all" bit in Global1, ATU
1708 	 * Control are precisely those whose port registers have a
1709 	 * Message Port bit in Port Control 1 and hence implement
1710 	 * ->port_setup_message_port.
1711 	 */
1712 	if (chip->info->ops->port_setup_message_port) {
1713 		err = mv88e6xxx_g1_atu_set_learn2all(chip, true);
1714 		if (err)
1715 			return err;
1716 	}
1717 
1718 	return mv88e6xxx_g1_atu_set_age_time(chip, 300000);
1719 }
1720 
mv88e6xxx_irl_setup(struct mv88e6xxx_chip * chip)1721 static int mv88e6xxx_irl_setup(struct mv88e6xxx_chip *chip)
1722 {
1723 	int port;
1724 	int err;
1725 
1726 	if (!chip->info->ops->irl_init_all)
1727 		return 0;
1728 
1729 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
1730 		/* Disable ingress rate limiting by resetting all per port
1731 		 * ingress rate limit resources to their initial state.
1732 		 */
1733 		err = chip->info->ops->irl_init_all(chip, port);
1734 		if (err)
1735 			return err;
1736 	}
1737 
1738 	return 0;
1739 }
1740 
mv88e6xxx_mac_setup(struct mv88e6xxx_chip * chip)1741 static int mv88e6xxx_mac_setup(struct mv88e6xxx_chip *chip)
1742 {
1743 	if (chip->info->ops->set_switch_mac) {
1744 		u8 addr[ETH_ALEN];
1745 
1746 		eth_random_addr(addr);
1747 
1748 		return chip->info->ops->set_switch_mac(chip, addr);
1749 	}
1750 
1751 	return 0;
1752 }
1753 
mv88e6xxx_pvt_map(struct mv88e6xxx_chip * chip,int dev,int port)1754 static int mv88e6xxx_pvt_map(struct mv88e6xxx_chip *chip, int dev, int port)
1755 {
1756 	struct dsa_switch_tree *dst = chip->ds->dst;
1757 	struct dsa_switch *ds;
1758 	struct dsa_port *dp;
1759 	u16 pvlan = 0;
1760 
1761 	if (!mv88e6xxx_has_pvt(chip))
1762 		return 0;
1763 
1764 	/* Skip the local source device, which uses in-chip port VLAN */
1765 	if (dev != chip->ds->index) {
1766 		pvlan = mv88e6xxx_port_vlan(chip, dev, port);
1767 
1768 		ds = dsa_switch_find(dst->index, dev);
1769 		dp = ds ? dsa_to_port(ds, port) : NULL;
1770 		if (dp && dp->lag) {
1771 			/* As the PVT is used to limit flooding of
1772 			 * FORWARD frames, which use the LAG ID as the
1773 			 * source port, we must translate dev/port to
1774 			 * the special "LAG device" in the PVT, using
1775 			 * the LAG ID (one-based) as the port number
1776 			 * (zero-based).
1777 			 */
1778 			dev = MV88E6XXX_G2_PVT_ADDR_DEV_TRUNK;
1779 			port = dsa_port_lag_id_get(dp) - 1;
1780 		}
1781 	}
1782 
1783 	return mv88e6xxx_g2_pvt_write(chip, dev, port, pvlan);
1784 }
1785 
mv88e6xxx_pvt_setup(struct mv88e6xxx_chip * chip)1786 static int mv88e6xxx_pvt_setup(struct mv88e6xxx_chip *chip)
1787 {
1788 	int dev, port;
1789 	int err;
1790 
1791 	if (!mv88e6xxx_has_pvt(chip))
1792 		return 0;
1793 
1794 	/* Clear 5 Bit Port for usage with Marvell Link Street devices:
1795 	 * use 4 bits for the Src_Port/Src_Trunk and 5 bits for the Src_Dev.
1796 	 */
1797 	err = mv88e6xxx_g2_misc_4_bit_port(chip);
1798 	if (err)
1799 		return err;
1800 
1801 	for (dev = 0; dev < MV88E6XXX_MAX_PVT_SWITCHES; ++dev) {
1802 		for (port = 0; port < MV88E6XXX_MAX_PVT_PORTS; ++port) {
1803 			err = mv88e6xxx_pvt_map(chip, dev, port);
1804 			if (err)
1805 				return err;
1806 		}
1807 	}
1808 
1809 	return 0;
1810 }
1811 
mv88e6xxx_port_fast_age_fid(struct mv88e6xxx_chip * chip,int port,u16 fid)1812 static int mv88e6xxx_port_fast_age_fid(struct mv88e6xxx_chip *chip, int port,
1813 				       u16 fid)
1814 {
1815 	if (dsa_to_port(chip->ds, port)->lag)
1816 		/* Hardware is incapable of fast-aging a LAG through a
1817 		 * regular ATU move operation. Until we have something
1818 		 * more fancy in place this is a no-op.
1819 		 */
1820 		return -EOPNOTSUPP;
1821 
1822 	return mv88e6xxx_g1_atu_remove(chip, fid, port, false);
1823 }
1824 
mv88e6xxx_port_fast_age(struct dsa_switch * ds,int port)1825 static void mv88e6xxx_port_fast_age(struct dsa_switch *ds, int port)
1826 {
1827 	struct mv88e6xxx_chip *chip = ds->priv;
1828 	int err;
1829 
1830 	mv88e6xxx_reg_lock(chip);
1831 	err = mv88e6xxx_port_fast_age_fid(chip, port, 0);
1832 	mv88e6xxx_reg_unlock(chip);
1833 
1834 	if (err)
1835 		dev_err(chip->ds->dev, "p%d: failed to flush ATU: %d\n",
1836 			port, err);
1837 }
1838 
mv88e6xxx_vtu_setup(struct mv88e6xxx_chip * chip)1839 static int mv88e6xxx_vtu_setup(struct mv88e6xxx_chip *chip)
1840 {
1841 	if (!mv88e6xxx_max_vid(chip))
1842 		return 0;
1843 
1844 	return mv88e6xxx_g1_vtu_flush(chip);
1845 }
1846 
mv88e6xxx_vtu_get(struct mv88e6xxx_chip * chip,u16 vid,struct mv88e6xxx_vtu_entry * entry)1847 static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
1848 			     struct mv88e6xxx_vtu_entry *entry)
1849 {
1850 	int err;
1851 
1852 	if (!chip->info->ops->vtu_getnext)
1853 		return -EOPNOTSUPP;
1854 
1855 	entry->vid = vid ? vid - 1 : mv88e6xxx_max_vid(chip);
1856 	entry->valid = false;
1857 
1858 	err = chip->info->ops->vtu_getnext(chip, entry);
1859 
1860 	if (entry->vid != vid)
1861 		entry->valid = false;
1862 
1863 	return err;
1864 }
1865 
mv88e6xxx_vtu_walk(struct mv88e6xxx_chip * chip,int (* cb)(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * entry,void * priv),void * priv)1866 int mv88e6xxx_vtu_walk(struct mv88e6xxx_chip *chip,
1867 		       int (*cb)(struct mv88e6xxx_chip *chip,
1868 				 const struct mv88e6xxx_vtu_entry *entry,
1869 				 void *priv),
1870 		       void *priv)
1871 {
1872 	struct mv88e6xxx_vtu_entry entry = {
1873 		.vid = mv88e6xxx_max_vid(chip),
1874 		.valid = false,
1875 	};
1876 	int err;
1877 
1878 	if (!chip->info->ops->vtu_getnext)
1879 		return -EOPNOTSUPP;
1880 
1881 	do {
1882 		err = chip->info->ops->vtu_getnext(chip, &entry);
1883 		if (err)
1884 			return err;
1885 
1886 		if (!entry.valid)
1887 			break;
1888 
1889 		err = cb(chip, &entry, priv);
1890 		if (err)
1891 			return err;
1892 	} while (entry.vid < mv88e6xxx_max_vid(chip));
1893 
1894 	return 0;
1895 }
1896 
mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip * chip,struct mv88e6xxx_vtu_entry * entry)1897 static int mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
1898 				   struct mv88e6xxx_vtu_entry *entry)
1899 {
1900 	if (!chip->info->ops->vtu_loadpurge)
1901 		return -EOPNOTSUPP;
1902 
1903 	return chip->info->ops->vtu_loadpurge(chip, entry);
1904 }
1905 
mv88e6xxx_atu_new(struct mv88e6xxx_chip * chip,u16 * fid)1906 static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
1907 {
1908 	*fid = find_first_zero_bit(chip->fid_bitmap, MV88E6XXX_N_FID);
1909 	if (unlikely(*fid >= mv88e6xxx_num_databases(chip)))
1910 		return -ENOSPC;
1911 
1912 	/* Clear the database */
1913 	return mv88e6xxx_g1_atu_flush(chip, *fid, true);
1914 }
1915 
mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip * chip,struct mv88e6xxx_stu_entry * entry)1916 static int mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip *chip,
1917 				   struct mv88e6xxx_stu_entry *entry)
1918 {
1919 	if (!chip->info->ops->stu_loadpurge)
1920 		return -EOPNOTSUPP;
1921 
1922 	return chip->info->ops->stu_loadpurge(chip, entry);
1923 }
1924 
mv88e6xxx_stu_setup(struct mv88e6xxx_chip * chip)1925 static int mv88e6xxx_stu_setup(struct mv88e6xxx_chip *chip)
1926 {
1927 	struct mv88e6xxx_stu_entry stu = {
1928 		.valid = true,
1929 		.sid = 0
1930 	};
1931 
1932 	if (!mv88e6xxx_has_stu(chip))
1933 		return 0;
1934 
1935 	/* Make sure that SID 0 is always valid. This is used by VTU
1936 	 * entries that do not make use of the STU, e.g. when creating
1937 	 * a VLAN upper on a port that is also part of a VLAN
1938 	 * filtering bridge.
1939 	 */
1940 	return mv88e6xxx_stu_loadpurge(chip, &stu);
1941 }
1942 
mv88e6xxx_sid_get(struct mv88e6xxx_chip * chip,u8 * sid)1943 static int mv88e6xxx_sid_get(struct mv88e6xxx_chip *chip, u8 *sid)
1944 {
1945 	DECLARE_BITMAP(busy, MV88E6XXX_N_SID) = { 0 };
1946 	struct mv88e6xxx_mst *mst;
1947 
1948 	__set_bit(0, busy);
1949 
1950 	list_for_each_entry(mst, &chip->msts, node)
1951 		__set_bit(mst->stu.sid, busy);
1952 
1953 	*sid = find_first_zero_bit(busy, MV88E6XXX_N_SID);
1954 
1955 	return (*sid >= mv88e6xxx_max_sid(chip)) ? -ENOSPC : 0;
1956 }
1957 
mv88e6xxx_mst_put(struct mv88e6xxx_chip * chip,u8 sid)1958 static int mv88e6xxx_mst_put(struct mv88e6xxx_chip *chip, u8 sid)
1959 {
1960 	struct mv88e6xxx_mst *mst, *tmp;
1961 	int err;
1962 
1963 	if (!sid)
1964 		return 0;
1965 
1966 	list_for_each_entry_safe(mst, tmp, &chip->msts, node) {
1967 		if (mst->stu.sid != sid)
1968 			continue;
1969 
1970 		if (!refcount_dec_and_test(&mst->refcnt))
1971 			return 0;
1972 
1973 		mst->stu.valid = false;
1974 		err = mv88e6xxx_stu_loadpurge(chip, &mst->stu);
1975 		if (err) {
1976 			refcount_set(&mst->refcnt, 1);
1977 			return err;
1978 		}
1979 
1980 		list_del(&mst->node);
1981 		kfree(mst);
1982 		return 0;
1983 	}
1984 
1985 	return -ENOENT;
1986 }
1987 
mv88e6xxx_mst_get(struct mv88e6xxx_chip * chip,struct net_device * br,u16 msti,u8 * sid)1988 static int mv88e6xxx_mst_get(struct mv88e6xxx_chip *chip, struct net_device *br,
1989 			     u16 msti, u8 *sid)
1990 {
1991 	struct mv88e6xxx_mst *mst;
1992 	int err, i;
1993 
1994 	if (!mv88e6xxx_has_stu(chip)) {
1995 		err = -EOPNOTSUPP;
1996 		goto err;
1997 	}
1998 
1999 	if (!msti) {
2000 		*sid = 0;
2001 		return 0;
2002 	}
2003 
2004 	list_for_each_entry(mst, &chip->msts, node) {
2005 		if (mst->br == br && mst->msti == msti) {
2006 			refcount_inc(&mst->refcnt);
2007 			*sid = mst->stu.sid;
2008 			return 0;
2009 		}
2010 	}
2011 
2012 	err = mv88e6xxx_sid_get(chip, sid);
2013 	if (err)
2014 		goto err;
2015 
2016 	mst = kzalloc(sizeof(*mst), GFP_KERNEL);
2017 	if (!mst) {
2018 		err = -ENOMEM;
2019 		goto err;
2020 	}
2021 
2022 	INIT_LIST_HEAD(&mst->node);
2023 	refcount_set(&mst->refcnt, 1);
2024 	mst->br = br;
2025 	mst->msti = msti;
2026 	mst->stu.valid = true;
2027 	mst->stu.sid = *sid;
2028 
2029 	/* The bridge starts out all ports in the disabled state. But
2030 	 * a STU state of disabled means to go by the port-global
2031 	 * state. So we set all user port's initial state to blocking,
2032 	 * to match the bridge's behavior.
2033 	 */
2034 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
2035 		mst->stu.state[i] = dsa_is_user_port(chip->ds, i) ?
2036 			MV88E6XXX_PORT_CTL0_STATE_BLOCKING :
2037 			MV88E6XXX_PORT_CTL0_STATE_DISABLED;
2038 
2039 	err = mv88e6xxx_stu_loadpurge(chip, &mst->stu);
2040 	if (err)
2041 		goto err_free;
2042 
2043 	list_add_tail(&mst->node, &chip->msts);
2044 	return 0;
2045 
2046 err_free:
2047 	kfree(mst);
2048 err:
2049 	return err;
2050 }
2051 
mv88e6xxx_port_mst_state_set(struct dsa_switch * ds,int port,const struct switchdev_mst_state * st)2052 static int mv88e6xxx_port_mst_state_set(struct dsa_switch *ds, int port,
2053 					const struct switchdev_mst_state *st)
2054 {
2055 	struct dsa_port *dp = dsa_to_port(ds, port);
2056 	struct mv88e6xxx_chip *chip = ds->priv;
2057 	struct mv88e6xxx_mst *mst;
2058 	u8 state;
2059 	int err;
2060 
2061 	if (!mv88e6xxx_has_stu(chip))
2062 		return -EOPNOTSUPP;
2063 
2064 	switch (st->state) {
2065 	case BR_STATE_DISABLED:
2066 	case BR_STATE_BLOCKING:
2067 	case BR_STATE_LISTENING:
2068 		state = MV88E6XXX_PORT_CTL0_STATE_BLOCKING;
2069 		break;
2070 	case BR_STATE_LEARNING:
2071 		state = MV88E6XXX_PORT_CTL0_STATE_LEARNING;
2072 		break;
2073 	case BR_STATE_FORWARDING:
2074 		state = MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
2075 		break;
2076 	default:
2077 		return -EINVAL;
2078 	}
2079 
2080 	list_for_each_entry(mst, &chip->msts, node) {
2081 		if (mst->br == dsa_port_bridge_dev_get(dp) &&
2082 		    mst->msti == st->msti) {
2083 			if (mst->stu.state[port] == state)
2084 				return 0;
2085 
2086 			mst->stu.state[port] = state;
2087 			mv88e6xxx_reg_lock(chip);
2088 			err = mv88e6xxx_stu_loadpurge(chip, &mst->stu);
2089 			mv88e6xxx_reg_unlock(chip);
2090 			return err;
2091 		}
2092 	}
2093 
2094 	return -ENOENT;
2095 }
2096 
mv88e6xxx_port_check_hw_vlan(struct dsa_switch * ds,int port,u16 vid)2097 static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
2098 					u16 vid)
2099 {
2100 	struct dsa_port *dp = dsa_to_port(ds, port), *other_dp;
2101 	struct mv88e6xxx_chip *chip = ds->priv;
2102 	struct mv88e6xxx_vtu_entry vlan;
2103 	int err;
2104 
2105 	/* DSA and CPU ports have to be members of multiple vlans */
2106 	if (dsa_port_is_dsa(dp) || dsa_port_is_cpu(dp))
2107 		return 0;
2108 
2109 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2110 	if (err)
2111 		return err;
2112 
2113 	if (!vlan.valid)
2114 		return 0;
2115 
2116 	dsa_switch_for_each_user_port(other_dp, ds) {
2117 		struct net_device *other_br;
2118 
2119 		if (vlan.member[other_dp->index] ==
2120 		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
2121 			continue;
2122 
2123 		if (dsa_port_bridge_same(dp, other_dp))
2124 			break; /* same bridge, check next VLAN */
2125 
2126 		other_br = dsa_port_bridge_dev_get(other_dp);
2127 		if (!other_br)
2128 			continue;
2129 
2130 		dev_err(ds->dev, "p%d: hw VLAN %d already used by port %d in %s\n",
2131 			port, vlan.vid, other_dp->index, netdev_name(other_br));
2132 		return -EOPNOTSUPP;
2133 	}
2134 
2135 	return 0;
2136 }
2137 
mv88e6xxx_port_commit_pvid(struct mv88e6xxx_chip * chip,int port)2138 static int mv88e6xxx_port_commit_pvid(struct mv88e6xxx_chip *chip, int port)
2139 {
2140 	struct dsa_port *dp = dsa_to_port(chip->ds, port);
2141 	struct net_device *br = dsa_port_bridge_dev_get(dp);
2142 	struct mv88e6xxx_port *p = &chip->ports[port];
2143 	u16 pvid = MV88E6XXX_VID_STANDALONE;
2144 	bool drop_untagged = false;
2145 	int err;
2146 
2147 	if (br) {
2148 		if (br_vlan_enabled(br)) {
2149 			pvid = p->bridge_pvid.vid;
2150 			drop_untagged = !p->bridge_pvid.valid;
2151 		} else {
2152 			pvid = MV88E6XXX_VID_BRIDGED;
2153 		}
2154 	}
2155 
2156 	err = mv88e6xxx_port_set_pvid(chip, port, pvid);
2157 	if (err)
2158 		return err;
2159 
2160 	return mv88e6xxx_port_drop_untagged(chip, port, drop_untagged);
2161 }
2162 
mv88e6xxx_port_vlan_filtering(struct dsa_switch * ds,int port,bool vlan_filtering,struct netlink_ext_ack * extack)2163 static int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
2164 					 bool vlan_filtering,
2165 					 struct netlink_ext_ack *extack)
2166 {
2167 	struct mv88e6xxx_chip *chip = ds->priv;
2168 	u16 mode = vlan_filtering ? MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE :
2169 		MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED;
2170 	int err;
2171 
2172 	if (!mv88e6xxx_max_vid(chip))
2173 		return -EOPNOTSUPP;
2174 
2175 	mv88e6xxx_reg_lock(chip);
2176 
2177 	err = mv88e6xxx_port_set_8021q_mode(chip, port, mode);
2178 	if (err)
2179 		goto unlock;
2180 
2181 	err = mv88e6xxx_port_commit_pvid(chip, port);
2182 	if (err)
2183 		goto unlock;
2184 
2185 unlock:
2186 	mv88e6xxx_reg_unlock(chip);
2187 
2188 	return err;
2189 }
2190 
2191 static int
mv88e6xxx_port_vlan_prepare(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan)2192 mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port,
2193 			    const struct switchdev_obj_port_vlan *vlan)
2194 {
2195 	struct mv88e6xxx_chip *chip = ds->priv;
2196 	int err;
2197 
2198 	if (!mv88e6xxx_max_vid(chip))
2199 		return -EOPNOTSUPP;
2200 
2201 	/* If the requested port doesn't belong to the same bridge as the VLAN
2202 	 * members, do not support it (yet) and fallback to software VLAN.
2203 	 */
2204 	mv88e6xxx_reg_lock(chip);
2205 	err = mv88e6xxx_port_check_hw_vlan(ds, port, vlan->vid);
2206 	mv88e6xxx_reg_unlock(chip);
2207 
2208 	return err;
2209 }
2210 
mv88e6xxx_port_db_get(struct mv88e6xxx_chip * chip,const unsigned char * addr,u16 vid,u16 * fid,struct mv88e6xxx_atu_entry * entry)2211 static int mv88e6xxx_port_db_get(struct mv88e6xxx_chip *chip,
2212 				 const unsigned char *addr, u16 vid,
2213 				 u16 *fid, struct mv88e6xxx_atu_entry *entry)
2214 {
2215 	struct mv88e6xxx_vtu_entry vlan;
2216 	int err;
2217 
2218 	/* Ports have two private address databases: one for when the port is
2219 	 * standalone and one for when the port is under a bridge and the
2220 	 * 802.1Q mode is disabled. When the port is standalone, DSA wants its
2221 	 * address database to remain 100% empty, so we never load an ATU entry
2222 	 * into a standalone port's database. Therefore, translate the null
2223 	 * VLAN ID into the port's database used for VLAN-unaware bridging.
2224 	 */
2225 	if (vid == 0) {
2226 		*fid = MV88E6XXX_FID_BRIDGED;
2227 	} else {
2228 		err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2229 		if (err)
2230 			return err;
2231 
2232 		/* switchdev expects -EOPNOTSUPP to honor software VLANs */
2233 		if (!vlan.valid)
2234 			return -EOPNOTSUPP;
2235 
2236 		*fid = vlan.fid;
2237 	}
2238 
2239 	entry->state = 0;
2240 	ether_addr_copy(entry->mac, addr);
2241 	eth_addr_dec(entry->mac);
2242 
2243 	return mv88e6xxx_g1_atu_getnext(chip, *fid, entry);
2244 }
2245 
mv88e6xxx_port_db_find(struct mv88e6xxx_chip * chip,const unsigned char * addr,u16 vid)2246 static bool mv88e6xxx_port_db_find(struct mv88e6xxx_chip *chip,
2247 				   const unsigned char *addr, u16 vid)
2248 {
2249 	struct mv88e6xxx_atu_entry entry;
2250 	u16 fid;
2251 	int err;
2252 
2253 	err = mv88e6xxx_port_db_get(chip, addr, vid, &fid, &entry);
2254 	if (err)
2255 		return false;
2256 
2257 	return entry.state && ether_addr_equal(entry.mac, addr);
2258 }
2259 
mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip * chip,int port,const unsigned char * addr,u16 vid,u8 state)2260 static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port,
2261 					const unsigned char *addr, u16 vid,
2262 					u8 state)
2263 {
2264 	struct mv88e6xxx_atu_entry entry;
2265 	u16 fid;
2266 	int err;
2267 
2268 	err = mv88e6xxx_port_db_get(chip, addr, vid, &fid, &entry);
2269 	if (err)
2270 		return err;
2271 
2272 	/* Initialize a fresh ATU entry if it isn't found */
2273 	if (!entry.state || !ether_addr_equal(entry.mac, addr)) {
2274 		memset(&entry, 0, sizeof(entry));
2275 		ether_addr_copy(entry.mac, addr);
2276 	}
2277 
2278 	/* Purge the ATU entry only if no port is using it anymore */
2279 	if (!state) {
2280 		entry.portvec &= ~BIT(port);
2281 		if (!entry.portvec)
2282 			entry.state = 0;
2283 	} else {
2284 		if (state == MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC)
2285 			entry.portvec = BIT(port);
2286 		else
2287 			entry.portvec |= BIT(port);
2288 
2289 		entry.state = state;
2290 	}
2291 
2292 	return mv88e6xxx_g1_atu_loadpurge(chip, fid, &entry);
2293 }
2294 
mv88e6xxx_policy_apply(struct mv88e6xxx_chip * chip,int port,const struct mv88e6xxx_policy * policy)2295 static int mv88e6xxx_policy_apply(struct mv88e6xxx_chip *chip, int port,
2296 				  const struct mv88e6xxx_policy *policy)
2297 {
2298 	enum mv88e6xxx_policy_mapping mapping = policy->mapping;
2299 	enum mv88e6xxx_policy_action action = policy->action;
2300 	const u8 *addr = policy->addr;
2301 	u16 vid = policy->vid;
2302 	u8 state;
2303 	int err;
2304 	int id;
2305 
2306 	if (!chip->info->ops->port_set_policy)
2307 		return -EOPNOTSUPP;
2308 
2309 	switch (mapping) {
2310 	case MV88E6XXX_POLICY_MAPPING_DA:
2311 	case MV88E6XXX_POLICY_MAPPING_SA:
2312 		if (action == MV88E6XXX_POLICY_ACTION_NORMAL)
2313 			state = 0; /* Dissociate the port and address */
2314 		else if (action == MV88E6XXX_POLICY_ACTION_DISCARD &&
2315 			 is_multicast_ether_addr(addr))
2316 			state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC_POLICY;
2317 		else if (action == MV88E6XXX_POLICY_ACTION_DISCARD &&
2318 			 is_unicast_ether_addr(addr))
2319 			state = MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC_POLICY;
2320 		else
2321 			return -EOPNOTSUPP;
2322 
2323 		err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
2324 						   state);
2325 		if (err)
2326 			return err;
2327 		break;
2328 	default:
2329 		return -EOPNOTSUPP;
2330 	}
2331 
2332 	/* Skip the port's policy clearing if the mapping is still in use */
2333 	if (action == MV88E6XXX_POLICY_ACTION_NORMAL)
2334 		idr_for_each_entry(&chip->policies, policy, id)
2335 			if (policy->port == port &&
2336 			    policy->mapping == mapping &&
2337 			    policy->action != action)
2338 				return 0;
2339 
2340 	return chip->info->ops->port_set_policy(chip, port, mapping, action);
2341 }
2342 
mv88e6xxx_policy_insert(struct mv88e6xxx_chip * chip,int port,struct ethtool_rx_flow_spec * fs)2343 static int mv88e6xxx_policy_insert(struct mv88e6xxx_chip *chip, int port,
2344 				   struct ethtool_rx_flow_spec *fs)
2345 {
2346 	struct ethhdr *mac_entry = &fs->h_u.ether_spec;
2347 	struct ethhdr *mac_mask = &fs->m_u.ether_spec;
2348 	enum mv88e6xxx_policy_mapping mapping;
2349 	enum mv88e6xxx_policy_action action;
2350 	struct mv88e6xxx_policy *policy;
2351 	u16 vid = 0;
2352 	u8 *addr;
2353 	int err;
2354 	int id;
2355 
2356 	if (fs->location != RX_CLS_LOC_ANY)
2357 		return -EINVAL;
2358 
2359 	if (fs->ring_cookie == RX_CLS_FLOW_DISC)
2360 		action = MV88E6XXX_POLICY_ACTION_DISCARD;
2361 	else
2362 		return -EOPNOTSUPP;
2363 
2364 	switch (fs->flow_type & ~FLOW_EXT) {
2365 	case ETHER_FLOW:
2366 		if (!is_zero_ether_addr(mac_mask->h_dest) &&
2367 		    is_zero_ether_addr(mac_mask->h_source)) {
2368 			mapping = MV88E6XXX_POLICY_MAPPING_DA;
2369 			addr = mac_entry->h_dest;
2370 		} else if (is_zero_ether_addr(mac_mask->h_dest) &&
2371 		    !is_zero_ether_addr(mac_mask->h_source)) {
2372 			mapping = MV88E6XXX_POLICY_MAPPING_SA;
2373 			addr = mac_entry->h_source;
2374 		} else {
2375 			/* Cannot support DA and SA mapping in the same rule */
2376 			return -EOPNOTSUPP;
2377 		}
2378 		break;
2379 	default:
2380 		return -EOPNOTSUPP;
2381 	}
2382 
2383 	if ((fs->flow_type & FLOW_EXT) && fs->m_ext.vlan_tci) {
2384 		if (fs->m_ext.vlan_tci != htons(0xffff))
2385 			return -EOPNOTSUPP;
2386 		vid = be16_to_cpu(fs->h_ext.vlan_tci) & VLAN_VID_MASK;
2387 	}
2388 
2389 	idr_for_each_entry(&chip->policies, policy, id) {
2390 		if (policy->port == port && policy->mapping == mapping &&
2391 		    policy->action == action && policy->vid == vid &&
2392 		    ether_addr_equal(policy->addr, addr))
2393 			return -EEXIST;
2394 	}
2395 
2396 	policy = devm_kzalloc(chip->dev, sizeof(*policy), GFP_KERNEL);
2397 	if (!policy)
2398 		return -ENOMEM;
2399 
2400 	fs->location = 0;
2401 	err = idr_alloc_u32(&chip->policies, policy, &fs->location, 0xffffffff,
2402 			    GFP_KERNEL);
2403 	if (err) {
2404 		devm_kfree(chip->dev, policy);
2405 		return err;
2406 	}
2407 
2408 	memcpy(&policy->fs, fs, sizeof(*fs));
2409 	ether_addr_copy(policy->addr, addr);
2410 	policy->mapping = mapping;
2411 	policy->action = action;
2412 	policy->port = port;
2413 	policy->vid = vid;
2414 
2415 	err = mv88e6xxx_policy_apply(chip, port, policy);
2416 	if (err) {
2417 		idr_remove(&chip->policies, fs->location);
2418 		devm_kfree(chip->dev, policy);
2419 		return err;
2420 	}
2421 
2422 	return 0;
2423 }
2424 
mv88e6xxx_get_rxnfc(struct dsa_switch * ds,int port,struct ethtool_rxnfc * rxnfc,u32 * rule_locs)2425 static int mv88e6xxx_get_rxnfc(struct dsa_switch *ds, int port,
2426 			       struct ethtool_rxnfc *rxnfc, u32 *rule_locs)
2427 {
2428 	struct ethtool_rx_flow_spec *fs = &rxnfc->fs;
2429 	struct mv88e6xxx_chip *chip = ds->priv;
2430 	struct mv88e6xxx_policy *policy;
2431 	int err;
2432 	int id;
2433 
2434 	mv88e6xxx_reg_lock(chip);
2435 
2436 	switch (rxnfc->cmd) {
2437 	case ETHTOOL_GRXCLSRLCNT:
2438 		rxnfc->data = 0;
2439 		rxnfc->data |= RX_CLS_LOC_SPECIAL;
2440 		rxnfc->rule_cnt = 0;
2441 		idr_for_each_entry(&chip->policies, policy, id)
2442 			if (policy->port == port)
2443 				rxnfc->rule_cnt++;
2444 		err = 0;
2445 		break;
2446 	case ETHTOOL_GRXCLSRULE:
2447 		err = -ENOENT;
2448 		policy = idr_find(&chip->policies, fs->location);
2449 		if (policy) {
2450 			memcpy(fs, &policy->fs, sizeof(*fs));
2451 			err = 0;
2452 		}
2453 		break;
2454 	case ETHTOOL_GRXCLSRLALL:
2455 		rxnfc->data = 0;
2456 		rxnfc->rule_cnt = 0;
2457 		idr_for_each_entry(&chip->policies, policy, id)
2458 			if (policy->port == port)
2459 				rule_locs[rxnfc->rule_cnt++] = id;
2460 		err = 0;
2461 		break;
2462 	default:
2463 		err = -EOPNOTSUPP;
2464 		break;
2465 	}
2466 
2467 	mv88e6xxx_reg_unlock(chip);
2468 
2469 	return err;
2470 }
2471 
mv88e6xxx_set_rxnfc(struct dsa_switch * ds,int port,struct ethtool_rxnfc * rxnfc)2472 static int mv88e6xxx_set_rxnfc(struct dsa_switch *ds, int port,
2473 			       struct ethtool_rxnfc *rxnfc)
2474 {
2475 	struct ethtool_rx_flow_spec *fs = &rxnfc->fs;
2476 	struct mv88e6xxx_chip *chip = ds->priv;
2477 	struct mv88e6xxx_policy *policy;
2478 	int err;
2479 
2480 	mv88e6xxx_reg_lock(chip);
2481 
2482 	switch (rxnfc->cmd) {
2483 	case ETHTOOL_SRXCLSRLINS:
2484 		err = mv88e6xxx_policy_insert(chip, port, fs);
2485 		break;
2486 	case ETHTOOL_SRXCLSRLDEL:
2487 		err = -ENOENT;
2488 		policy = idr_remove(&chip->policies, fs->location);
2489 		if (policy) {
2490 			policy->action = MV88E6XXX_POLICY_ACTION_NORMAL;
2491 			err = mv88e6xxx_policy_apply(chip, port, policy);
2492 			devm_kfree(chip->dev, policy);
2493 		}
2494 		break;
2495 	default:
2496 		err = -EOPNOTSUPP;
2497 		break;
2498 	}
2499 
2500 	mv88e6xxx_reg_unlock(chip);
2501 
2502 	return err;
2503 }
2504 
mv88e6xxx_port_add_broadcast(struct mv88e6xxx_chip * chip,int port,u16 vid)2505 static int mv88e6xxx_port_add_broadcast(struct mv88e6xxx_chip *chip, int port,
2506 					u16 vid)
2507 {
2508 	u8 state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC;
2509 	u8 broadcast[ETH_ALEN];
2510 
2511 	eth_broadcast_addr(broadcast);
2512 
2513 	return mv88e6xxx_port_db_load_purge(chip, port, broadcast, vid, state);
2514 }
2515 
mv88e6xxx_broadcast_setup(struct mv88e6xxx_chip * chip,u16 vid)2516 static int mv88e6xxx_broadcast_setup(struct mv88e6xxx_chip *chip, u16 vid)
2517 {
2518 	int port;
2519 	int err;
2520 
2521 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
2522 		struct dsa_port *dp = dsa_to_port(chip->ds, port);
2523 		struct net_device *brport;
2524 
2525 		if (dsa_is_unused_port(chip->ds, port))
2526 			continue;
2527 
2528 		brport = dsa_port_to_bridge_port(dp);
2529 		if (brport && !br_port_flag_is_set(brport, BR_BCAST_FLOOD))
2530 			/* Skip bridged user ports where broadcast
2531 			 * flooding is disabled.
2532 			 */
2533 			continue;
2534 
2535 		err = mv88e6xxx_port_add_broadcast(chip, port, vid);
2536 		if (err)
2537 			return err;
2538 	}
2539 
2540 	return 0;
2541 }
2542 
2543 struct mv88e6xxx_port_broadcast_sync_ctx {
2544 	int port;
2545 	bool flood;
2546 };
2547 
2548 static int
mv88e6xxx_port_broadcast_sync_vlan(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * vlan,void * _ctx)2549 mv88e6xxx_port_broadcast_sync_vlan(struct mv88e6xxx_chip *chip,
2550 				   const struct mv88e6xxx_vtu_entry *vlan,
2551 				   void *_ctx)
2552 {
2553 	struct mv88e6xxx_port_broadcast_sync_ctx *ctx = _ctx;
2554 	u8 broadcast[ETH_ALEN];
2555 	u8 state;
2556 
2557 	if (ctx->flood)
2558 		state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC;
2559 	else
2560 		state = MV88E6XXX_G1_ATU_DATA_STATE_MC_UNUSED;
2561 
2562 	eth_broadcast_addr(broadcast);
2563 
2564 	return mv88e6xxx_port_db_load_purge(chip, ctx->port, broadcast,
2565 					    vlan->vid, state);
2566 }
2567 
mv88e6xxx_port_broadcast_sync(struct mv88e6xxx_chip * chip,int port,bool flood)2568 static int mv88e6xxx_port_broadcast_sync(struct mv88e6xxx_chip *chip, int port,
2569 					 bool flood)
2570 {
2571 	struct mv88e6xxx_port_broadcast_sync_ctx ctx = {
2572 		.port = port,
2573 		.flood = flood,
2574 	};
2575 	struct mv88e6xxx_vtu_entry vid0 = {
2576 		.vid = 0,
2577 	};
2578 	int err;
2579 
2580 	/* Update the port's private database... */
2581 	err = mv88e6xxx_port_broadcast_sync_vlan(chip, &vid0, &ctx);
2582 	if (err)
2583 		return err;
2584 
2585 	/* ...and the database for all VLANs. */
2586 	return mv88e6xxx_vtu_walk(chip, mv88e6xxx_port_broadcast_sync_vlan,
2587 				  &ctx);
2588 }
2589 
mv88e6xxx_port_vlan_join(struct mv88e6xxx_chip * chip,int port,u16 vid,u8 member,bool warn)2590 static int mv88e6xxx_port_vlan_join(struct mv88e6xxx_chip *chip, int port,
2591 				    u16 vid, u8 member, bool warn)
2592 {
2593 	const u8 non_member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
2594 	struct mv88e6xxx_vtu_entry vlan;
2595 	int i, err;
2596 
2597 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2598 	if (err)
2599 		return err;
2600 
2601 	if (!vlan.valid) {
2602 		memset(&vlan, 0, sizeof(vlan));
2603 
2604 		if (vid == MV88E6XXX_VID_STANDALONE)
2605 			vlan.policy = true;
2606 
2607 		err = mv88e6xxx_atu_new(chip, &vlan.fid);
2608 		if (err)
2609 			return err;
2610 
2611 		for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
2612 			if (i == port)
2613 				vlan.member[i] = member;
2614 			else
2615 				vlan.member[i] = non_member;
2616 
2617 		vlan.vid = vid;
2618 		vlan.valid = true;
2619 
2620 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2621 		if (err)
2622 			return err;
2623 
2624 		err = mv88e6xxx_broadcast_setup(chip, vlan.vid);
2625 		if (err)
2626 			return err;
2627 	} else if (vlan.member[port] != member) {
2628 		vlan.member[port] = member;
2629 
2630 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2631 		if (err)
2632 			return err;
2633 	} else if (warn) {
2634 		dev_info(chip->dev, "p%d: already a member of VLAN %d\n",
2635 			 port, vid);
2636 	}
2637 
2638 	/* Record FID used in SW FID map */
2639 	bitmap_set(chip->fid_bitmap, vlan.fid, 1);
2640 
2641 	return 0;
2642 }
2643 
mv88e6xxx_port_vlan_add(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan,struct netlink_ext_ack * extack)2644 static int mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
2645 				   const struct switchdev_obj_port_vlan *vlan,
2646 				   struct netlink_ext_ack *extack)
2647 {
2648 	struct mv88e6xxx_chip *chip = ds->priv;
2649 	bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
2650 	bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
2651 	struct mv88e6xxx_port *p = &chip->ports[port];
2652 	bool warn;
2653 	u8 member;
2654 	int err;
2655 
2656 	if (!vlan->vid)
2657 		return 0;
2658 
2659 	err = mv88e6xxx_port_vlan_prepare(ds, port, vlan);
2660 	if (err)
2661 		return err;
2662 
2663 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
2664 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED;
2665 	else if (untagged)
2666 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED;
2667 	else
2668 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_TAGGED;
2669 
2670 	/* net/dsa/user.c will call dsa_port_vlan_add() for the affected port
2671 	 * and then the CPU port. Do not warn for duplicates for the CPU port.
2672 	 */
2673 	warn = !dsa_is_cpu_port(ds, port) && !dsa_is_dsa_port(ds, port);
2674 
2675 	mv88e6xxx_reg_lock(chip);
2676 
2677 	err = mv88e6xxx_port_vlan_join(chip, port, vlan->vid, member, warn);
2678 	if (err) {
2679 		dev_err(ds->dev, "p%d: failed to add VLAN %d%c\n", port,
2680 			vlan->vid, untagged ? 'u' : 't');
2681 		goto out;
2682 	}
2683 
2684 	if (pvid) {
2685 		p->bridge_pvid.vid = vlan->vid;
2686 		p->bridge_pvid.valid = true;
2687 
2688 		err = mv88e6xxx_port_commit_pvid(chip, port);
2689 		if (err)
2690 			goto out;
2691 	} else if (vlan->vid && p->bridge_pvid.vid == vlan->vid) {
2692 		/* The old pvid was reinstalled as a non-pvid VLAN */
2693 		p->bridge_pvid.valid = false;
2694 
2695 		err = mv88e6xxx_port_commit_pvid(chip, port);
2696 		if (err)
2697 			goto out;
2698 	}
2699 
2700 out:
2701 	mv88e6xxx_reg_unlock(chip);
2702 
2703 	return err;
2704 }
2705 
mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip * chip,int port,u16 vid)2706 static int mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip *chip,
2707 				     int port, u16 vid)
2708 {
2709 	struct mv88e6xxx_vtu_entry vlan;
2710 	int i, err;
2711 
2712 	if (!vid)
2713 		return 0;
2714 
2715 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2716 	if (err)
2717 		return err;
2718 
2719 	/* If the VLAN doesn't exist in hardware or the port isn't a member,
2720 	 * tell switchdev that this VLAN is likely handled in software.
2721 	 */
2722 	if (!vlan.valid ||
2723 	    vlan.member[port] == MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
2724 		return -EOPNOTSUPP;
2725 
2726 	vlan.member[port] = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
2727 
2728 	/* keep the VLAN unless all ports are excluded */
2729 	vlan.valid = false;
2730 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
2731 		if (vlan.member[i] !=
2732 		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
2733 			vlan.valid = true;
2734 			break;
2735 		}
2736 	}
2737 
2738 	err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2739 	if (err)
2740 		return err;
2741 
2742 	if (!vlan.valid) {
2743 		err = mv88e6xxx_mst_put(chip, vlan.sid);
2744 		if (err)
2745 			return err;
2746 
2747 		/* Record FID freed in SW FID map */
2748 		bitmap_clear(chip->fid_bitmap, vlan.fid, 1);
2749 	}
2750 
2751 	return mv88e6xxx_g1_atu_remove(chip, vlan.fid, port, false);
2752 }
2753 
mv88e6xxx_port_vlan_del(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan)2754 static int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port,
2755 				   const struct switchdev_obj_port_vlan *vlan)
2756 {
2757 	struct mv88e6xxx_chip *chip = ds->priv;
2758 	struct mv88e6xxx_port *p = &chip->ports[port];
2759 	int err = 0;
2760 	u16 pvid;
2761 
2762 	if (!mv88e6xxx_max_vid(chip))
2763 		return -EOPNOTSUPP;
2764 
2765 	/* The ATU removal procedure needs the FID to be mapped in the VTU,
2766 	 * but FDB deletion runs concurrently with VLAN deletion. Flush the DSA
2767 	 * switchdev workqueue to ensure that all FDB entries are deleted
2768 	 * before we remove the VLAN.
2769 	 */
2770 	dsa_flush_workqueue();
2771 
2772 	mv88e6xxx_reg_lock(chip);
2773 
2774 	err = mv88e6xxx_port_get_pvid(chip, port, &pvid);
2775 	if (err)
2776 		goto unlock;
2777 
2778 	err = mv88e6xxx_port_vlan_leave(chip, port, vlan->vid);
2779 	if (err)
2780 		goto unlock;
2781 
2782 	if (vlan->vid == pvid) {
2783 		p->bridge_pvid.valid = false;
2784 
2785 		err = mv88e6xxx_port_commit_pvid(chip, port);
2786 		if (err)
2787 			goto unlock;
2788 	}
2789 
2790 unlock:
2791 	mv88e6xxx_reg_unlock(chip);
2792 
2793 	return err;
2794 }
2795 
mv88e6xxx_port_vlan_fast_age(struct dsa_switch * ds,int port,u16 vid)2796 static int mv88e6xxx_port_vlan_fast_age(struct dsa_switch *ds, int port, u16 vid)
2797 {
2798 	struct mv88e6xxx_chip *chip = ds->priv;
2799 	struct mv88e6xxx_vtu_entry vlan;
2800 	int err;
2801 
2802 	mv88e6xxx_reg_lock(chip);
2803 
2804 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2805 	if (err)
2806 		goto unlock;
2807 
2808 	err = mv88e6xxx_port_fast_age_fid(chip, port, vlan.fid);
2809 
2810 unlock:
2811 	mv88e6xxx_reg_unlock(chip);
2812 
2813 	return err;
2814 }
2815 
mv88e6xxx_vlan_msti_set(struct dsa_switch * ds,struct dsa_bridge bridge,const struct switchdev_vlan_msti * msti)2816 static int mv88e6xxx_vlan_msti_set(struct dsa_switch *ds,
2817 				   struct dsa_bridge bridge,
2818 				   const struct switchdev_vlan_msti *msti)
2819 {
2820 	struct mv88e6xxx_chip *chip = ds->priv;
2821 	struct mv88e6xxx_vtu_entry vlan;
2822 	u8 old_sid, new_sid;
2823 	int err;
2824 
2825 	if (!mv88e6xxx_has_stu(chip))
2826 		return -EOPNOTSUPP;
2827 
2828 	mv88e6xxx_reg_lock(chip);
2829 
2830 	err = mv88e6xxx_vtu_get(chip, msti->vid, &vlan);
2831 	if (err)
2832 		goto unlock;
2833 
2834 	if (!vlan.valid) {
2835 		err = -EINVAL;
2836 		goto unlock;
2837 	}
2838 
2839 	old_sid = vlan.sid;
2840 
2841 	err = mv88e6xxx_mst_get(chip, bridge.dev, msti->msti, &new_sid);
2842 	if (err)
2843 		goto unlock;
2844 
2845 	if (new_sid != old_sid) {
2846 		vlan.sid = new_sid;
2847 
2848 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2849 		if (err) {
2850 			mv88e6xxx_mst_put(chip, new_sid);
2851 			goto unlock;
2852 		}
2853 	}
2854 
2855 	err = mv88e6xxx_mst_put(chip, old_sid);
2856 
2857 unlock:
2858 	mv88e6xxx_reg_unlock(chip);
2859 	return err;
2860 }
2861 
mv88e6xxx_port_fdb_add(struct dsa_switch * ds,int port,const unsigned char * addr,u16 vid,struct dsa_db db)2862 static int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
2863 				  const unsigned char *addr, u16 vid,
2864 				  struct dsa_db db)
2865 {
2866 	struct mv88e6xxx_chip *chip = ds->priv;
2867 	int err;
2868 
2869 	mv88e6xxx_reg_lock(chip);
2870 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
2871 					   MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
2872 	if (err)
2873 		goto out;
2874 
2875 	if (!mv88e6xxx_port_db_find(chip, addr, vid))
2876 		err = -ENOSPC;
2877 
2878 out:
2879 	mv88e6xxx_reg_unlock(chip);
2880 
2881 	return err;
2882 }
2883 
mv88e6xxx_port_fdb_del(struct dsa_switch * ds,int port,const unsigned char * addr,u16 vid,struct dsa_db db)2884 static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
2885 				  const unsigned char *addr, u16 vid,
2886 				  struct dsa_db db)
2887 {
2888 	struct mv88e6xxx_chip *chip = ds->priv;
2889 	int err;
2890 
2891 	mv88e6xxx_reg_lock(chip);
2892 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid, 0);
2893 	mv88e6xxx_reg_unlock(chip);
2894 
2895 	return err;
2896 }
2897 
mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip * chip,u16 fid,u16 vid,int port,dsa_fdb_dump_cb_t * cb,void * data)2898 static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip,
2899 				      u16 fid, u16 vid, int port,
2900 				      dsa_fdb_dump_cb_t *cb, void *data)
2901 {
2902 	struct mv88e6xxx_atu_entry addr;
2903 	bool is_static;
2904 	int err;
2905 
2906 	addr.state = 0;
2907 	eth_broadcast_addr(addr.mac);
2908 
2909 	do {
2910 		err = mv88e6xxx_g1_atu_getnext(chip, fid, &addr);
2911 		if (err)
2912 			return err;
2913 
2914 		if (!addr.state)
2915 			break;
2916 
2917 		if (addr.trunk || (addr.portvec & BIT(port)) == 0)
2918 			continue;
2919 
2920 		if (!is_unicast_ether_addr(addr.mac))
2921 			continue;
2922 
2923 		is_static = (addr.state ==
2924 			     MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
2925 		err = cb(addr.mac, vid, is_static, data);
2926 		if (err)
2927 			return err;
2928 	} while (!is_broadcast_ether_addr(addr.mac));
2929 
2930 	return err;
2931 }
2932 
2933 struct mv88e6xxx_port_db_dump_vlan_ctx {
2934 	int port;
2935 	dsa_fdb_dump_cb_t *cb;
2936 	void *data;
2937 };
2938 
mv88e6xxx_port_db_dump_vlan(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * entry,void * _data)2939 static int mv88e6xxx_port_db_dump_vlan(struct mv88e6xxx_chip *chip,
2940 				       const struct mv88e6xxx_vtu_entry *entry,
2941 				       void *_data)
2942 {
2943 	struct mv88e6xxx_port_db_dump_vlan_ctx *ctx = _data;
2944 
2945 	return mv88e6xxx_port_db_dump_fid(chip, entry->fid, entry->vid,
2946 					  ctx->port, ctx->cb, ctx->data);
2947 }
2948 
mv88e6xxx_port_db_dump(struct mv88e6xxx_chip * chip,int port,dsa_fdb_dump_cb_t * cb,void * data)2949 static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
2950 				  dsa_fdb_dump_cb_t *cb, void *data)
2951 {
2952 	struct mv88e6xxx_port_db_dump_vlan_ctx ctx = {
2953 		.port = port,
2954 		.cb = cb,
2955 		.data = data,
2956 	};
2957 	u16 fid;
2958 	int err;
2959 
2960 	/* Dump port's default Filtering Information Database (VLAN ID 0) */
2961 	err = mv88e6xxx_port_get_fid(chip, port, &fid);
2962 	if (err)
2963 		return err;
2964 
2965 	err = mv88e6xxx_port_db_dump_fid(chip, fid, 0, port, cb, data);
2966 	if (err)
2967 		return err;
2968 
2969 	return mv88e6xxx_vtu_walk(chip, mv88e6xxx_port_db_dump_vlan, &ctx);
2970 }
2971 
mv88e6xxx_port_fdb_dump(struct dsa_switch * ds,int port,dsa_fdb_dump_cb_t * cb,void * data)2972 static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
2973 				   dsa_fdb_dump_cb_t *cb, void *data)
2974 {
2975 	struct mv88e6xxx_chip *chip = ds->priv;
2976 	int err;
2977 
2978 	mv88e6xxx_reg_lock(chip);
2979 	err = mv88e6xxx_port_db_dump(chip, port, cb, data);
2980 	mv88e6xxx_reg_unlock(chip);
2981 
2982 	return err;
2983 }
2984 
mv88e6xxx_bridge_map(struct mv88e6xxx_chip * chip,struct dsa_bridge bridge)2985 static int mv88e6xxx_bridge_map(struct mv88e6xxx_chip *chip,
2986 				struct dsa_bridge bridge)
2987 {
2988 	struct dsa_switch *ds = chip->ds;
2989 	struct dsa_switch_tree *dst = ds->dst;
2990 	struct dsa_port *dp;
2991 	int err;
2992 
2993 	list_for_each_entry(dp, &dst->ports, list) {
2994 		if (dsa_port_offloads_bridge(dp, &bridge)) {
2995 			if (dp->ds == ds) {
2996 				/* This is a local bridge group member,
2997 				 * remap its Port VLAN Map.
2998 				 */
2999 				err = mv88e6xxx_port_vlan_map(chip, dp->index);
3000 				if (err)
3001 					return err;
3002 			} else {
3003 				/* This is an external bridge group member,
3004 				 * remap its cross-chip Port VLAN Table entry.
3005 				 */
3006 				err = mv88e6xxx_pvt_map(chip, dp->ds->index,
3007 							dp->index);
3008 				if (err)
3009 					return err;
3010 			}
3011 		}
3012 	}
3013 
3014 	return 0;
3015 }
3016 
3017 /* Treat the software bridge as a virtual single-port switch behind the
3018  * CPU and map in the PVT. First dst->last_switch elements are taken by
3019  * physical switches, so start from beyond that range.
3020  */
mv88e6xxx_map_virtual_bridge_to_pvt(struct dsa_switch * ds,unsigned int bridge_num)3021 static int mv88e6xxx_map_virtual_bridge_to_pvt(struct dsa_switch *ds,
3022 					       unsigned int bridge_num)
3023 {
3024 	u8 dev = bridge_num + ds->dst->last_switch;
3025 	struct mv88e6xxx_chip *chip = ds->priv;
3026 
3027 	return mv88e6xxx_pvt_map(chip, dev, 0);
3028 }
3029 
mv88e6xxx_port_bridge_join(struct dsa_switch * ds,int port,struct dsa_bridge bridge,bool * tx_fwd_offload,struct netlink_ext_ack * extack)3030 static int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
3031 				      struct dsa_bridge bridge,
3032 				      bool *tx_fwd_offload,
3033 				      struct netlink_ext_ack *extack)
3034 {
3035 	struct mv88e6xxx_chip *chip = ds->priv;
3036 	int err;
3037 
3038 	mv88e6xxx_reg_lock(chip);
3039 
3040 	err = mv88e6xxx_bridge_map(chip, bridge);
3041 	if (err)
3042 		goto unlock;
3043 
3044 	err = mv88e6xxx_port_set_map_da(chip, port, true);
3045 	if (err)
3046 		goto unlock;
3047 
3048 	err = mv88e6xxx_port_commit_pvid(chip, port);
3049 	if (err)
3050 		goto unlock;
3051 
3052 	if (mv88e6xxx_has_pvt(chip)) {
3053 		err = mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num);
3054 		if (err)
3055 			goto unlock;
3056 
3057 		*tx_fwd_offload = true;
3058 	}
3059 
3060 unlock:
3061 	mv88e6xxx_reg_unlock(chip);
3062 
3063 	return err;
3064 }
3065 
mv88e6xxx_port_bridge_leave(struct dsa_switch * ds,int port,struct dsa_bridge bridge)3066 static void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port,
3067 					struct dsa_bridge bridge)
3068 {
3069 	struct mv88e6xxx_chip *chip = ds->priv;
3070 	int err;
3071 
3072 	mv88e6xxx_reg_lock(chip);
3073 
3074 	if (bridge.tx_fwd_offload &&
3075 	    mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num))
3076 		dev_err(ds->dev, "failed to remap cross-chip Port VLAN\n");
3077 
3078 	if (mv88e6xxx_bridge_map(chip, bridge) ||
3079 	    mv88e6xxx_port_vlan_map(chip, port))
3080 		dev_err(ds->dev, "failed to remap in-chip Port VLAN\n");
3081 
3082 	err = mv88e6xxx_port_set_map_da(chip, port, false);
3083 	if (err)
3084 		dev_err(ds->dev,
3085 			"port %d failed to restore map-DA: %pe\n",
3086 			port, ERR_PTR(err));
3087 
3088 	err = mv88e6xxx_port_commit_pvid(chip, port);
3089 	if (err)
3090 		dev_err(ds->dev,
3091 			"port %d failed to restore standalone pvid: %pe\n",
3092 			port, ERR_PTR(err));
3093 
3094 	mv88e6xxx_reg_unlock(chip);
3095 }
3096 
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)3097 static int mv88e6xxx_crosschip_bridge_join(struct dsa_switch *ds,
3098 					   int tree_index, int sw_index,
3099 					   int port, struct dsa_bridge bridge,
3100 					   struct netlink_ext_ack *extack)
3101 {
3102 	struct mv88e6xxx_chip *chip = ds->priv;
3103 	int err;
3104 
3105 	if (tree_index != ds->dst->index)
3106 		return 0;
3107 
3108 	mv88e6xxx_reg_lock(chip);
3109 	err = mv88e6xxx_pvt_map(chip, sw_index, port);
3110 	err = err ? : mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num);
3111 	mv88e6xxx_reg_unlock(chip);
3112 
3113 	return err;
3114 }
3115 
mv88e6xxx_crosschip_bridge_leave(struct dsa_switch * ds,int tree_index,int sw_index,int port,struct dsa_bridge bridge)3116 static void mv88e6xxx_crosschip_bridge_leave(struct dsa_switch *ds,
3117 					     int tree_index, int sw_index,
3118 					     int port, struct dsa_bridge bridge)
3119 {
3120 	struct mv88e6xxx_chip *chip = ds->priv;
3121 
3122 	if (tree_index != ds->dst->index)
3123 		return;
3124 
3125 	mv88e6xxx_reg_lock(chip);
3126 	if (mv88e6xxx_pvt_map(chip, sw_index, port) ||
3127 	    mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num))
3128 		dev_err(ds->dev, "failed to remap cross-chip Port VLAN\n");
3129 	mv88e6xxx_reg_unlock(chip);
3130 }
3131 
mv88e6xxx_software_reset(struct mv88e6xxx_chip * chip)3132 static int mv88e6xxx_software_reset(struct mv88e6xxx_chip *chip)
3133 {
3134 	if (chip->info->ops->reset)
3135 		return chip->info->ops->reset(chip);
3136 
3137 	return 0;
3138 }
3139 
mv88e6xxx_hardware_reset(struct mv88e6xxx_chip * chip)3140 static void mv88e6xxx_hardware_reset(struct mv88e6xxx_chip *chip)
3141 {
3142 	struct gpio_desc *gpiod = chip->reset;
3143 	int err;
3144 
3145 	/* If there is a GPIO connected to the reset pin, toggle it */
3146 	if (gpiod) {
3147 		/* If the switch has just been reset and not yet completed
3148 		 * loading EEPROM, the reset may interrupt the I2C transaction
3149 		 * mid-byte, causing the first EEPROM read after the reset
3150 		 * from the wrong location resulting in the switch booting
3151 		 * to wrong mode and inoperable.
3152 		 * For this reason, switch families with EEPROM support
3153 		 * generally wait for EEPROM loads to complete as their pre-
3154 		 * and post-reset handlers.
3155 		 */
3156 		if (chip->info->ops->hardware_reset_pre) {
3157 			err = chip->info->ops->hardware_reset_pre(chip);
3158 			if (err)
3159 				dev_err(chip->dev, "pre-reset error: %d\n", err);
3160 		}
3161 
3162 		gpiod_set_value_cansleep(gpiod, 1);
3163 		usleep_range(10000, 20000);
3164 		gpiod_set_value_cansleep(gpiod, 0);
3165 		usleep_range(10000, 20000);
3166 
3167 		if (chip->info->ops->hardware_reset_post) {
3168 			err = chip->info->ops->hardware_reset_post(chip);
3169 			if (err)
3170 				dev_err(chip->dev, "post-reset error: %d\n", err);
3171 		}
3172 	}
3173 }
3174 
mv88e6xxx_disable_ports(struct mv88e6xxx_chip * chip)3175 static int mv88e6xxx_disable_ports(struct mv88e6xxx_chip *chip)
3176 {
3177 	int i, err;
3178 
3179 	/* Set all ports to the Disabled state */
3180 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
3181 		err = mv88e6xxx_port_set_state(chip, i, BR_STATE_DISABLED);
3182 		if (err)
3183 			return err;
3184 	}
3185 
3186 	/* Wait for transmit queues to drain,
3187 	 * i.e. 2ms for a maximum frame to be transmitted at 10 Mbps.
3188 	 */
3189 	usleep_range(2000, 4000);
3190 
3191 	return 0;
3192 }
3193 
mv88e6xxx_switch_reset(struct mv88e6xxx_chip * chip)3194 static int mv88e6xxx_switch_reset(struct mv88e6xxx_chip *chip)
3195 {
3196 	int err;
3197 
3198 	err = mv88e6xxx_disable_ports(chip);
3199 	if (err)
3200 		return err;
3201 
3202 	mv88e6xxx_hardware_reset(chip);
3203 
3204 	return mv88e6xxx_software_reset(chip);
3205 }
3206 
mv88e6xxx_set_port_mode(struct mv88e6xxx_chip * chip,int port,enum mv88e6xxx_frame_mode frame,enum mv88e6xxx_egress_mode egress,u16 etype)3207 static int mv88e6xxx_set_port_mode(struct mv88e6xxx_chip *chip, int port,
3208 				   enum mv88e6xxx_frame_mode frame,
3209 				   enum mv88e6xxx_egress_mode egress, u16 etype)
3210 {
3211 	int err;
3212 
3213 	if (!chip->info->ops->port_set_frame_mode)
3214 		return -EOPNOTSUPP;
3215 
3216 	err = mv88e6xxx_port_set_egress_mode(chip, port, egress);
3217 	if (err)
3218 		return err;
3219 
3220 	err = chip->info->ops->port_set_frame_mode(chip, port, frame);
3221 	if (err)
3222 		return err;
3223 
3224 	if (chip->info->ops->port_set_ether_type)
3225 		return chip->info->ops->port_set_ether_type(chip, port, etype);
3226 
3227 	return 0;
3228 }
3229 
mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip * chip,int port)3230 static int mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip *chip, int port)
3231 {
3232 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_NORMAL,
3233 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
3234 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
3235 }
3236 
mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip * chip,int port)3237 static int mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip *chip, int port)
3238 {
3239 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_DSA,
3240 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
3241 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
3242 }
3243 
mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip * chip,int port)3244 static int mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip *chip, int port)
3245 {
3246 	return mv88e6xxx_set_port_mode(chip, port,
3247 				       MV88E6XXX_FRAME_MODE_ETHERTYPE,
3248 				       MV88E6XXX_EGRESS_MODE_ETHERTYPE,
3249 				       ETH_P_EDSA);
3250 }
3251 
mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip * chip,int port)3252 static int mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip *chip, int port)
3253 {
3254 	if (dsa_is_dsa_port(chip->ds, port))
3255 		return mv88e6xxx_set_port_mode_dsa(chip, port);
3256 
3257 	if (dsa_is_user_port(chip->ds, port))
3258 		return mv88e6xxx_set_port_mode_normal(chip, port);
3259 
3260 	/* Setup CPU port mode depending on its supported tag format */
3261 	if (chip->tag_protocol == DSA_TAG_PROTO_DSA)
3262 		return mv88e6xxx_set_port_mode_dsa(chip, port);
3263 
3264 	if (chip->tag_protocol == DSA_TAG_PROTO_EDSA)
3265 		return mv88e6xxx_set_port_mode_edsa(chip, port);
3266 
3267 	return -EINVAL;
3268 }
3269 
mv88e6xxx_setup_message_port(struct mv88e6xxx_chip * chip,int port)3270 static int mv88e6xxx_setup_message_port(struct mv88e6xxx_chip *chip, int port)
3271 {
3272 	bool message = dsa_is_dsa_port(chip->ds, port);
3273 
3274 	return mv88e6xxx_port_set_message_port(chip, port, message);
3275 }
3276 
mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip * chip,int port)3277 static int mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip *chip, int port)
3278 {
3279 	int err;
3280 
3281 	if (chip->info->ops->port_set_ucast_flood) {
3282 		err = chip->info->ops->port_set_ucast_flood(chip, port, true);
3283 		if (err)
3284 			return err;
3285 	}
3286 	if (chip->info->ops->port_set_mcast_flood) {
3287 		err = chip->info->ops->port_set_mcast_flood(chip, port, true);
3288 		if (err)
3289 			return err;
3290 	}
3291 
3292 	return 0;
3293 }
3294 
mv88e6xxx_set_egress_port(struct mv88e6xxx_chip * chip,enum mv88e6xxx_egress_direction direction,int port)3295 static int mv88e6xxx_set_egress_port(struct mv88e6xxx_chip *chip,
3296 				     enum mv88e6xxx_egress_direction direction,
3297 				     int port)
3298 {
3299 	int err;
3300 
3301 	if (!chip->info->ops->set_egress_port)
3302 		return -EOPNOTSUPP;
3303 
3304 	err = chip->info->ops->set_egress_port(chip, direction, port);
3305 	if (err)
3306 		return err;
3307 
3308 	if (direction == MV88E6XXX_EGRESS_DIR_INGRESS)
3309 		chip->ingress_dest_port = port;
3310 	else
3311 		chip->egress_dest_port = port;
3312 
3313 	return 0;
3314 }
3315 
mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip * chip,int port)3316 static int mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip *chip, int port)
3317 {
3318 	struct dsa_switch *ds = chip->ds;
3319 	int upstream_port;
3320 	int err;
3321 
3322 	upstream_port = dsa_upstream_port(ds, port);
3323 	if (chip->info->ops->port_set_upstream_port) {
3324 		err = chip->info->ops->port_set_upstream_port(chip, port,
3325 							      upstream_port);
3326 		if (err)
3327 			return err;
3328 	}
3329 
3330 	if (port == upstream_port) {
3331 		if (chip->info->ops->set_cpu_port) {
3332 			err = chip->info->ops->set_cpu_port(chip,
3333 							    upstream_port);
3334 			if (err)
3335 				return err;
3336 		}
3337 
3338 		err = mv88e6xxx_set_egress_port(chip,
3339 						MV88E6XXX_EGRESS_DIR_INGRESS,
3340 						upstream_port);
3341 		if (err && err != -EOPNOTSUPP)
3342 			return err;
3343 
3344 		err = mv88e6xxx_set_egress_port(chip,
3345 						MV88E6XXX_EGRESS_DIR_EGRESS,
3346 						upstream_port);
3347 		if (err && err != -EOPNOTSUPP)
3348 			return err;
3349 	}
3350 
3351 	return 0;
3352 }
3353 
mv88e6xxx_setup_port(struct mv88e6xxx_chip * chip,int port)3354 static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
3355 {
3356 	struct device_node *phy_handle = NULL;
3357 	struct fwnode_handle *ports_fwnode;
3358 	struct fwnode_handle *port_fwnode;
3359 	struct dsa_switch *ds = chip->ds;
3360 	struct mv88e6xxx_port *p;
3361 	struct dsa_port *dp;
3362 	int tx_amp;
3363 	int err;
3364 	u16 reg;
3365 	u32 val;
3366 
3367 	p = &chip->ports[port];
3368 	p->chip = chip;
3369 	p->port = port;
3370 
3371 	/* Look up corresponding fwnode if any */
3372 	ports_fwnode = device_get_named_child_node(chip->dev, "ethernet-ports");
3373 	if (!ports_fwnode)
3374 		ports_fwnode = device_get_named_child_node(chip->dev, "ports");
3375 	if (ports_fwnode) {
3376 		fwnode_for_each_child_node(ports_fwnode, port_fwnode) {
3377 			if (fwnode_property_read_u32(port_fwnode, "reg", &val))
3378 				continue;
3379 			if (val == port) {
3380 				p->fwnode = port_fwnode;
3381 				p->fiber = fwnode_property_present(port_fwnode, "sfp");
3382 				break;
3383 			}
3384 		}
3385 		fwnode_handle_put(ports_fwnode);
3386 	} else {
3387 		dev_dbg(chip->dev, "no ethernet ports node defined for the device\n");
3388 	}
3389 
3390 	if (chip->info->ops->port_setup_leds) {
3391 		err = chip->info->ops->port_setup_leds(chip, port);
3392 		if (err && err != -EOPNOTSUPP)
3393 			return err;
3394 	}
3395 
3396 	err = mv88e6xxx_port_setup_mac(chip, port, LINK_UNFORCED,
3397 				       SPEED_UNFORCED, DUPLEX_UNFORCED,
3398 				       PAUSE_ON, PHY_INTERFACE_MODE_NA);
3399 	if (err)
3400 		return err;
3401 
3402 	/* Port Control: disable Drop-on-Unlock, disable Drop-on-Lock,
3403 	 * disable Header mode, enable IGMP/MLD snooping, disable VLAN
3404 	 * tunneling, determine priority by looking at 802.1p and IP
3405 	 * priority fields (IP prio has precedence), and set STP state
3406 	 * to Forwarding.
3407 	 *
3408 	 * If this is the CPU link, use DSA or EDSA tagging depending
3409 	 * on which tagging mode was configured.
3410 	 *
3411 	 * If this is a link to another switch, use DSA tagging mode.
3412 	 *
3413 	 * If this is the upstream port for this switch, enable
3414 	 * forwarding of unknown unicasts and multicasts.
3415 	 */
3416 	reg = MV88E6185_PORT_CTL0_USE_TAG | MV88E6185_PORT_CTL0_USE_IP |
3417 		MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
3418 	/* Forward any IPv4 IGMP or IPv6 MLD frames received
3419 	 * by a USER port to the CPU port to allow snooping.
3420 	 */
3421 	if (dsa_is_user_port(ds, port))
3422 		reg |= MV88E6XXX_PORT_CTL0_IGMP_MLD_SNOOP;
3423 
3424 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
3425 	if (err)
3426 		return err;
3427 
3428 	err = mv88e6xxx_setup_port_mode(chip, port);
3429 	if (err)
3430 		return err;
3431 
3432 	err = mv88e6xxx_setup_egress_floods(chip, port);
3433 	if (err)
3434 		return err;
3435 
3436 	/* Port Control 2: don't force a good FCS, set the MTU size to
3437 	 * 10222 bytes, disable 802.1q tags checking, don't discard
3438 	 * tagged or untagged frames on this port, skip destination
3439 	 * address lookup on user ports, disable ARP mirroring and don't
3440 	 * send a copy of all transmitted/received frames on this port
3441 	 * to the CPU.
3442 	 */
3443 	err = mv88e6xxx_port_set_map_da(chip, port, !dsa_is_user_port(ds, port));
3444 	if (err)
3445 		return err;
3446 
3447 	err = mv88e6xxx_setup_upstream_port(chip, port);
3448 	if (err)
3449 		return err;
3450 
3451 	/* On chips that support it, set all downstream DSA ports'
3452 	 * VLAN policy to TRAP. In combination with loading
3453 	 * MV88E6XXX_VID_STANDALONE as a policy entry in the VTU, this
3454 	 * provides a better isolation barrier between standalone
3455 	 * ports, as the ATU is bypassed on any intermediate switches
3456 	 * between the incoming port and the CPU.
3457 	 */
3458 	if (dsa_is_downstream_port(ds, port) &&
3459 	    chip->info->ops->port_set_policy) {
3460 		err = chip->info->ops->port_set_policy(chip, port,
3461 						MV88E6XXX_POLICY_MAPPING_VTU,
3462 						MV88E6XXX_POLICY_ACTION_TRAP);
3463 		if (err)
3464 			return err;
3465 	}
3466 
3467 	/* User ports start out in standalone mode and 802.1Q is
3468 	 * therefore disabled. On DSA ports, all valid VIDs are always
3469 	 * loaded in the VTU - therefore, enable 802.1Q in order to take
3470 	 * advantage of VLAN policy on chips that supports it.
3471 	 */
3472 	err = mv88e6xxx_port_set_8021q_mode(chip, port,
3473 				dsa_is_user_port(ds, port) ?
3474 				MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED :
3475 				MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE);
3476 	if (err)
3477 		return err;
3478 
3479 	/* Bind MV88E6XXX_VID_STANDALONE to MV88E6XXX_FID_STANDALONE by
3480 	 * virtue of the fact that mv88e6xxx_atu_new() will pick it as
3481 	 * the first free FID. This will be used as the private PVID for
3482 	 * unbridged ports. Shared (DSA and CPU) ports must also be
3483 	 * members of this VID, in order to trap all frames assigned to
3484 	 * it to the CPU.
3485 	 */
3486 	err = mv88e6xxx_port_vlan_join(chip, port, MV88E6XXX_VID_STANDALONE,
3487 				       MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED,
3488 				       false);
3489 	if (err)
3490 		return err;
3491 
3492 	/* Associate MV88E6XXX_VID_BRIDGED with MV88E6XXX_FID_BRIDGED in the
3493 	 * ATU by virtue of the fact that mv88e6xxx_atu_new() will pick it as
3494 	 * the first free FID after MV88E6XXX_FID_STANDALONE. This will be used
3495 	 * as the private PVID on ports under a VLAN-unaware bridge.
3496 	 * Shared (DSA and CPU) ports must also be members of it, to translate
3497 	 * the VID from the DSA tag into MV88E6XXX_FID_BRIDGED, instead of
3498 	 * relying on their port default FID.
3499 	 */
3500 	err = mv88e6xxx_port_vlan_join(chip, port, MV88E6XXX_VID_BRIDGED,
3501 				       MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED,
3502 				       false);
3503 	if (err)
3504 		return err;
3505 
3506 	if (chip->info->ops->port_set_jumbo_size) {
3507 		err = chip->info->ops->port_set_jumbo_size(chip, port, 10218);
3508 		if (err)
3509 			return err;
3510 	}
3511 
3512 	/* Port Association Vector: disable automatic address learning
3513 	 * on all user ports since they start out in standalone
3514 	 * mode. When joining a bridge, learning will be configured to
3515 	 * match the bridge port settings. Enable learning on all
3516 	 * DSA/CPU ports. NOTE: FROM_CPU frames always bypass the
3517 	 * learning process.
3518 	 *
3519 	 * Disable HoldAt1, IntOnAgeOut, LockedPort, IgnoreWrongData,
3520 	 * and RefreshLocked. I.e. setup standard automatic learning.
3521 	 */
3522 	if (dsa_is_user_port(ds, port))
3523 		reg = 0;
3524 	else
3525 		reg = 1 << port;
3526 
3527 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
3528 				   reg);
3529 	if (err)
3530 		return err;
3531 
3532 	/* Egress rate control 2: disable egress rate control. */
3533 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL2,
3534 				   0x0000);
3535 	if (err)
3536 		return err;
3537 
3538 	if (chip->info->ops->port_pause_limit) {
3539 		err = chip->info->ops->port_pause_limit(chip, port, 0, 0);
3540 		if (err)
3541 			return err;
3542 	}
3543 
3544 	if (chip->info->ops->port_disable_learn_limit) {
3545 		err = chip->info->ops->port_disable_learn_limit(chip, port);
3546 		if (err)
3547 			return err;
3548 	}
3549 
3550 	if (chip->info->ops->port_disable_pri_override) {
3551 		err = chip->info->ops->port_disable_pri_override(chip, port);
3552 		if (err)
3553 			return err;
3554 	}
3555 
3556 	if (chip->info->ops->port_tag_remap) {
3557 		err = chip->info->ops->port_tag_remap(chip, port);
3558 		if (err)
3559 			return err;
3560 	}
3561 
3562 	if (chip->info->ops->port_egress_rate_limiting) {
3563 		err = chip->info->ops->port_egress_rate_limiting(chip, port);
3564 		if (err)
3565 			return err;
3566 	}
3567 
3568 	if (chip->info->ops->port_setup_message_port) {
3569 		err = chip->info->ops->port_setup_message_port(chip, port);
3570 		if (err)
3571 			return err;
3572 	}
3573 
3574 	if (chip->info->ops->serdes_set_tx_amplitude) {
3575 		dp = dsa_to_port(ds, port);
3576 		if (dp)
3577 			phy_handle = of_parse_phandle(dp->dn, "phy-handle", 0);
3578 
3579 		if (phy_handle && !of_property_read_u32(phy_handle,
3580 							"tx-p2p-microvolt",
3581 							&tx_amp))
3582 			err = chip->info->ops->serdes_set_tx_amplitude(chip,
3583 								port, tx_amp);
3584 		if (phy_handle) {
3585 			of_node_put(phy_handle);
3586 			if (err)
3587 				return err;
3588 		}
3589 	}
3590 
3591 	/* Port based VLAN map: give each port the same default address
3592 	 * database, and allow bidirectional communication between the
3593 	 * CPU and DSA port(s), and the other ports.
3594 	 */
3595 	err = mv88e6xxx_port_set_fid(chip, port, MV88E6XXX_FID_STANDALONE);
3596 	if (err)
3597 		return err;
3598 
3599 	err = mv88e6xxx_port_vlan_map(chip, port);
3600 	if (err)
3601 		return err;
3602 
3603 	/* Default VLAN ID and priority: don't set a default VLAN
3604 	 * ID, and set the default packet priority to zero.
3605 	 */
3606 	return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN, 0);
3607 }
3608 
mv88e6xxx_get_max_mtu(struct dsa_switch * ds,int port)3609 static int mv88e6xxx_get_max_mtu(struct dsa_switch *ds, int port)
3610 {
3611 	struct mv88e6xxx_chip *chip = ds->priv;
3612 
3613 	if (chip->info->ops->port_set_jumbo_size)
3614 		return 10240 - VLAN_ETH_HLEN - EDSA_HLEN - ETH_FCS_LEN;
3615 	else if (chip->info->ops->set_max_frame_size)
3616 		return 1632 - VLAN_ETH_HLEN - EDSA_HLEN - ETH_FCS_LEN;
3617 	return ETH_DATA_LEN;
3618 }
3619 
mv88e6xxx_change_mtu(struct dsa_switch * ds,int port,int new_mtu)3620 static int mv88e6xxx_change_mtu(struct dsa_switch *ds, int port, int new_mtu)
3621 {
3622 	struct mv88e6xxx_chip *chip = ds->priv;
3623 	int ret = 0;
3624 
3625 	/* For families where we don't know how to alter the MTU,
3626 	 * just accept any value up to ETH_DATA_LEN
3627 	 */
3628 	if (!chip->info->ops->port_set_jumbo_size &&
3629 	    !chip->info->ops->set_max_frame_size) {
3630 		if (new_mtu > ETH_DATA_LEN)
3631 			return -EINVAL;
3632 
3633 		return 0;
3634 	}
3635 
3636 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
3637 		new_mtu += EDSA_HLEN;
3638 
3639 	mv88e6xxx_reg_lock(chip);
3640 	if (chip->info->ops->port_set_jumbo_size)
3641 		ret = chip->info->ops->port_set_jumbo_size(chip, port, new_mtu);
3642 	else if (chip->info->ops->set_max_frame_size &&
3643 		 dsa_is_cpu_port(ds, port))
3644 		ret = chip->info->ops->set_max_frame_size(chip, new_mtu);
3645 	mv88e6xxx_reg_unlock(chip);
3646 
3647 	return ret;
3648 }
3649 
mv88e6xxx_set_ageing_time(struct dsa_switch * ds,unsigned int ageing_time)3650 static int mv88e6xxx_set_ageing_time(struct dsa_switch *ds,
3651 				     unsigned int ageing_time)
3652 {
3653 	struct mv88e6xxx_chip *chip = ds->priv;
3654 	int err;
3655 
3656 	mv88e6xxx_reg_lock(chip);
3657 	err = mv88e6xxx_g1_atu_set_age_time(chip, ageing_time);
3658 	mv88e6xxx_reg_unlock(chip);
3659 
3660 	return err;
3661 }
3662 
mv88e6xxx_stats_setup(struct mv88e6xxx_chip * chip)3663 static int mv88e6xxx_stats_setup(struct mv88e6xxx_chip *chip)
3664 {
3665 	int err;
3666 
3667 	/* Initialize the statistics unit */
3668 	if (chip->info->ops->stats_set_histogram) {
3669 		err = chip->info->ops->stats_set_histogram(chip);
3670 		if (err)
3671 			return err;
3672 	}
3673 
3674 	return mv88e6xxx_g1_stats_clear(chip);
3675 }
3676 
3677 /* Check if the errata has already been applied. */
mv88e6390_setup_errata_applied(struct mv88e6xxx_chip * chip)3678 static bool mv88e6390_setup_errata_applied(struct mv88e6xxx_chip *chip)
3679 {
3680 	int port;
3681 	int err;
3682 	u16 val;
3683 
3684 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3685 		err = mv88e6xxx_port_hidden_read(chip, 0xf, port, 0, &val);
3686 		if (err) {
3687 			dev_err(chip->dev,
3688 				"Error reading hidden register: %d\n", err);
3689 			return false;
3690 		}
3691 		if (val != 0x01c0)
3692 			return false;
3693 	}
3694 
3695 	return true;
3696 }
3697 
3698 /* The 6390 copper ports have an errata which require poking magic
3699  * values into undocumented hidden registers and then performing a
3700  * software reset.
3701  */
mv88e6390_setup_errata(struct mv88e6xxx_chip * chip)3702 static int mv88e6390_setup_errata(struct mv88e6xxx_chip *chip)
3703 {
3704 	int port;
3705 	int err;
3706 
3707 	if (mv88e6390_setup_errata_applied(chip))
3708 		return 0;
3709 
3710 	/* Set the ports into blocking mode */
3711 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3712 		err = mv88e6xxx_port_set_state(chip, port, BR_STATE_DISABLED);
3713 		if (err)
3714 			return err;
3715 	}
3716 
3717 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3718 		err = mv88e6xxx_port_hidden_write(chip, 0xf, port, 0, 0x01c0);
3719 		if (err)
3720 			return err;
3721 	}
3722 
3723 	return mv88e6xxx_software_reset(chip);
3724 }
3725 
3726 /* prod_id for switch families which do not have a PHY model number */
3727 static const u16 family_prod_id_table[] = {
3728 	[MV88E6XXX_FAMILY_6341] = MV88E6XXX_PORT_SWITCH_ID_PROD_6341,
3729 	[MV88E6XXX_FAMILY_6390] = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
3730 	[MV88E6XXX_FAMILY_6393] = MV88E6XXX_PORT_SWITCH_ID_PROD_6393X,
3731 };
3732 
mv88e6xxx_mdio_read(struct mii_bus * bus,int phy,int reg)3733 static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
3734 {
3735 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3736 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3737 	u16 prod_id;
3738 	u16 val;
3739 	int err;
3740 
3741 	if (!chip->info->ops->phy_read)
3742 		return -EOPNOTSUPP;
3743 
3744 	mv88e6xxx_reg_lock(chip);
3745 	err = chip->info->ops->phy_read(chip, bus, phy, reg, &val);
3746 	mv88e6xxx_reg_unlock(chip);
3747 
3748 	/* Some internal PHYs don't have a model number. */
3749 	if (reg == MII_PHYSID2 && !(val & 0x3f0) &&
3750 	    chip->info->family < ARRAY_SIZE(family_prod_id_table)) {
3751 		prod_id = family_prod_id_table[chip->info->family];
3752 		if (prod_id)
3753 			val |= prod_id >> 4;
3754 	}
3755 
3756 	return err ? err : val;
3757 }
3758 
mv88e6xxx_mdio_read_c45(struct mii_bus * bus,int phy,int devad,int reg)3759 static int mv88e6xxx_mdio_read_c45(struct mii_bus *bus, int phy, int devad,
3760 				   int reg)
3761 {
3762 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3763 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3764 	u16 val;
3765 	int err;
3766 
3767 	if (!chip->info->ops->phy_read_c45)
3768 		return -ENODEV;
3769 
3770 	mv88e6xxx_reg_lock(chip);
3771 	err = chip->info->ops->phy_read_c45(chip, bus, phy, devad, reg, &val);
3772 	mv88e6xxx_reg_unlock(chip);
3773 
3774 	return err ? err : val;
3775 }
3776 
mv88e6xxx_mdio_write(struct mii_bus * bus,int phy,int reg,u16 val)3777 static int mv88e6xxx_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val)
3778 {
3779 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3780 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3781 	int err;
3782 
3783 	if (!chip->info->ops->phy_write)
3784 		return -EOPNOTSUPP;
3785 
3786 	mv88e6xxx_reg_lock(chip);
3787 	err = chip->info->ops->phy_write(chip, bus, phy, reg, val);
3788 	mv88e6xxx_reg_unlock(chip);
3789 
3790 	return err;
3791 }
3792 
mv88e6xxx_mdio_write_c45(struct mii_bus * bus,int phy,int devad,int reg,u16 val)3793 static int mv88e6xxx_mdio_write_c45(struct mii_bus *bus, int phy, int devad,
3794 				    int reg, u16 val)
3795 {
3796 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3797 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3798 	int err;
3799 
3800 	if (!chip->info->ops->phy_write_c45)
3801 		return -EOPNOTSUPP;
3802 
3803 	mv88e6xxx_reg_lock(chip);
3804 	err = chip->info->ops->phy_write_c45(chip, bus, phy, devad, reg, val);
3805 	mv88e6xxx_reg_unlock(chip);
3806 
3807 	return err;
3808 }
3809 
mv88e6xxx_mdio_register(struct mv88e6xxx_chip * chip,struct device_node * np,bool external)3810 static int mv88e6xxx_mdio_register(struct mv88e6xxx_chip *chip,
3811 				   struct device_node *np,
3812 				   bool external)
3813 {
3814 	static int index;
3815 	struct mv88e6xxx_mdio_bus *mdio_bus;
3816 	struct mii_bus *bus;
3817 	int err;
3818 
3819 	if (external) {
3820 		mv88e6xxx_reg_lock(chip);
3821 		if (chip->info->family == MV88E6XXX_FAMILY_6393)
3822 			err = mv88e6393x_g2_scratch_gpio_set_smi(chip, true);
3823 		else
3824 			err = mv88e6390_g2_scratch_gpio_set_smi(chip, true);
3825 		mv88e6xxx_reg_unlock(chip);
3826 
3827 		if (err)
3828 			return err;
3829 	}
3830 
3831 	bus = mdiobus_alloc_size(sizeof(*mdio_bus));
3832 	if (!bus)
3833 		return -ENOMEM;
3834 
3835 	mdio_bus = bus->priv;
3836 	mdio_bus->bus = bus;
3837 	mdio_bus->chip = chip;
3838 	INIT_LIST_HEAD(&mdio_bus->list);
3839 	mdio_bus->external = external;
3840 
3841 	if (np) {
3842 		bus->name = np->full_name;
3843 		snprintf(bus->id, MII_BUS_ID_SIZE, "%pOF", np);
3844 	} else {
3845 		bus->name = "mv88e6xxx SMI";
3846 		snprintf(bus->id, MII_BUS_ID_SIZE, "mv88e6xxx-%d", index++);
3847 	}
3848 
3849 	bus->read = mv88e6xxx_mdio_read;
3850 	bus->write = mv88e6xxx_mdio_write;
3851 	bus->read_c45 = mv88e6xxx_mdio_read_c45;
3852 	bus->write_c45 = mv88e6xxx_mdio_write_c45;
3853 	bus->parent = chip->dev;
3854 	bus->phy_mask = ~GENMASK(chip->info->phy_base_addr +
3855 				 mv88e6xxx_num_ports(chip) - 1,
3856 				 chip->info->phy_base_addr);
3857 
3858 	if (!external) {
3859 		err = mv88e6xxx_g2_irq_mdio_setup(chip, bus);
3860 		if (err)
3861 			goto out;
3862 	}
3863 
3864 	err = of_mdiobus_register(bus, np);
3865 	if (err) {
3866 		dev_err(chip->dev, "Cannot register MDIO bus (%d)\n", err);
3867 		mv88e6xxx_g2_irq_mdio_free(chip, bus);
3868 		goto out;
3869 	}
3870 
3871 	if (external)
3872 		list_add_tail(&mdio_bus->list, &chip->mdios);
3873 	else
3874 		list_add(&mdio_bus->list, &chip->mdios);
3875 
3876 	return 0;
3877 
3878 out:
3879 	mdiobus_free(bus);
3880 	return err;
3881 }
3882 
mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip * chip)3883 static void mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip *chip)
3884 
3885 {
3886 	struct mv88e6xxx_mdio_bus *mdio_bus, *p;
3887 	struct mii_bus *bus;
3888 
3889 	list_for_each_entry_safe(mdio_bus, p, &chip->mdios, list) {
3890 		bus = mdio_bus->bus;
3891 
3892 		if (!mdio_bus->external)
3893 			mv88e6xxx_g2_irq_mdio_free(chip, bus);
3894 
3895 		mdiobus_unregister(bus);
3896 		mdiobus_free(bus);
3897 	}
3898 }
3899 
mv88e6xxx_mdios_register(struct mv88e6xxx_chip * chip)3900 static int mv88e6xxx_mdios_register(struct mv88e6xxx_chip *chip)
3901 {
3902 	struct device_node *np = chip->dev->of_node;
3903 	struct device_node *child;
3904 	int err;
3905 
3906 	/* Always register one mdio bus for the internal/default mdio
3907 	 * bus. This maybe represented in the device tree, but is
3908 	 * optional.
3909 	 */
3910 	child = of_get_child_by_name(np, "mdio");
3911 	err = mv88e6xxx_mdio_register(chip, child, false);
3912 	of_node_put(child);
3913 	if (err)
3914 		return err;
3915 
3916 	/* Walk the device tree, and see if there are any other nodes
3917 	 * which say they are compatible with the external mdio
3918 	 * bus.
3919 	 */
3920 	for_each_available_child_of_node(np, child) {
3921 		if (of_device_is_compatible(
3922 			    child, "marvell,mv88e6xxx-mdio-external")) {
3923 			err = mv88e6xxx_mdio_register(chip, child, true);
3924 			if (err) {
3925 				mv88e6xxx_mdios_unregister(chip);
3926 				of_node_put(child);
3927 				return err;
3928 			}
3929 		}
3930 	}
3931 
3932 	return 0;
3933 }
3934 
mv88e6xxx_teardown(struct dsa_switch * ds)3935 static void mv88e6xxx_teardown(struct dsa_switch *ds)
3936 {
3937 	struct mv88e6xxx_chip *chip = ds->priv;
3938 
3939 	mv88e6xxx_teardown_devlink_params(ds);
3940 	dsa_devlink_resources_unregister(ds);
3941 	mv88e6xxx_teardown_devlink_regions_global(ds);
3942 	mv88e6xxx_mdios_unregister(chip);
3943 }
3944 
mv88e6xxx_setup(struct dsa_switch * ds)3945 static int mv88e6xxx_setup(struct dsa_switch *ds)
3946 {
3947 	struct mv88e6xxx_chip *chip = ds->priv;
3948 	u8 cmode;
3949 	int err;
3950 	int i;
3951 
3952 	err = mv88e6xxx_mdios_register(chip);
3953 	if (err)
3954 		return err;
3955 
3956 	chip->ds = ds;
3957 	ds->user_mii_bus = mv88e6xxx_default_mdio_bus(chip);
3958 
3959 	/* Since virtual bridges are mapped in the PVT, the number we support
3960 	 * depends on the physical switch topology. We need to let DSA figure
3961 	 * that out and therefore we cannot set this at dsa_register_switch()
3962 	 * time.
3963 	 */
3964 	if (mv88e6xxx_has_pvt(chip))
3965 		ds->max_num_bridges = MV88E6XXX_MAX_PVT_SWITCHES -
3966 				      ds->dst->last_switch - 1;
3967 
3968 	mv88e6xxx_reg_lock(chip);
3969 
3970 	if (chip->info->ops->setup_errata) {
3971 		err = chip->info->ops->setup_errata(chip);
3972 		if (err)
3973 			goto unlock;
3974 	}
3975 
3976 	/* Cache the cmode of each port. */
3977 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
3978 		if (chip->info->ops->port_get_cmode) {
3979 			err = chip->info->ops->port_get_cmode(chip, i, &cmode);
3980 			if (err)
3981 				goto unlock;
3982 
3983 			chip->ports[i].cmode = cmode;
3984 		}
3985 	}
3986 
3987 	err = mv88e6xxx_vtu_setup(chip);
3988 	if (err)
3989 		goto unlock;
3990 
3991 	/* Must be called after mv88e6xxx_vtu_setup (which flushes the
3992 	 * VTU, thereby also flushing the STU).
3993 	 */
3994 	err = mv88e6xxx_stu_setup(chip);
3995 	if (err)
3996 		goto unlock;
3997 
3998 	/* Setup Switch Port Registers */
3999 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
4000 		if (dsa_is_unused_port(ds, i))
4001 			continue;
4002 
4003 		/* Prevent the use of an invalid port. */
4004 		if (mv88e6xxx_is_invalid_port(chip, i)) {
4005 			dev_err(chip->dev, "port %d is invalid\n", i);
4006 			err = -EINVAL;
4007 			goto unlock;
4008 		}
4009 
4010 		err = mv88e6xxx_setup_port(chip, i);
4011 		if (err)
4012 			goto unlock;
4013 	}
4014 
4015 	err = mv88e6xxx_irl_setup(chip);
4016 	if (err)
4017 		goto unlock;
4018 
4019 	err = mv88e6xxx_mac_setup(chip);
4020 	if (err)
4021 		goto unlock;
4022 
4023 	err = mv88e6xxx_phy_setup(chip);
4024 	if (err)
4025 		goto unlock;
4026 
4027 	err = mv88e6xxx_pvt_setup(chip);
4028 	if (err)
4029 		goto unlock;
4030 
4031 	err = mv88e6xxx_atu_setup(chip);
4032 	if (err)
4033 		goto unlock;
4034 
4035 	err = mv88e6xxx_broadcast_setup(chip, 0);
4036 	if (err)
4037 		goto unlock;
4038 
4039 	err = mv88e6xxx_pot_setup(chip);
4040 	if (err)
4041 		goto unlock;
4042 
4043 	err = mv88e6xxx_rmu_setup(chip);
4044 	if (err)
4045 		goto unlock;
4046 
4047 	err = mv88e6xxx_rsvd2cpu_setup(chip);
4048 	if (err)
4049 		goto unlock;
4050 
4051 	err = mv88e6xxx_trunk_setup(chip);
4052 	if (err)
4053 		goto unlock;
4054 
4055 	err = mv88e6xxx_devmap_setup(chip);
4056 	if (err)
4057 		goto unlock;
4058 
4059 	err = mv88e6xxx_pri_setup(chip);
4060 	if (err)
4061 		goto unlock;
4062 
4063 	/* Setup PTP Hardware Clock and timestamping */
4064 	if (chip->info->ptp_support) {
4065 		err = mv88e6xxx_ptp_setup(chip);
4066 		if (err)
4067 			goto unlock;
4068 
4069 		err = mv88e6xxx_hwtstamp_setup(chip);
4070 		if (err)
4071 			goto unlock;
4072 	}
4073 
4074 	err = mv88e6xxx_stats_setup(chip);
4075 	if (err)
4076 		goto unlock;
4077 
4078 unlock:
4079 	mv88e6xxx_reg_unlock(chip);
4080 
4081 	if (err)
4082 		goto out_mdios;
4083 
4084 	/* Have to be called without holding the register lock, since
4085 	 * they take the devlink lock, and we later take the locks in
4086 	 * the reverse order when getting/setting parameters or
4087 	 * resource occupancy.
4088 	 */
4089 	err = mv88e6xxx_setup_devlink_resources(ds);
4090 	if (err)
4091 		goto out_mdios;
4092 
4093 	err = mv88e6xxx_setup_devlink_params(ds);
4094 	if (err)
4095 		goto out_resources;
4096 
4097 	err = mv88e6xxx_setup_devlink_regions_global(ds);
4098 	if (err)
4099 		goto out_params;
4100 
4101 	return 0;
4102 
4103 out_params:
4104 	mv88e6xxx_teardown_devlink_params(ds);
4105 out_resources:
4106 	dsa_devlink_resources_unregister(ds);
4107 out_mdios:
4108 	mv88e6xxx_mdios_unregister(chip);
4109 
4110 	return err;
4111 }
4112 
mv88e6xxx_port_setup(struct dsa_switch * ds,int port)4113 static int mv88e6xxx_port_setup(struct dsa_switch *ds, int port)
4114 {
4115 	struct mv88e6xxx_chip *chip = ds->priv;
4116 	int err;
4117 
4118 	if (chip->info->ops->pcs_ops &&
4119 	    chip->info->ops->pcs_ops->pcs_init) {
4120 		err = chip->info->ops->pcs_ops->pcs_init(chip, port);
4121 		if (err)
4122 			return err;
4123 	}
4124 
4125 	return mv88e6xxx_setup_devlink_regions_port(ds, port);
4126 }
4127 
mv88e6xxx_port_teardown(struct dsa_switch * ds,int port)4128 static void mv88e6xxx_port_teardown(struct dsa_switch *ds, int port)
4129 {
4130 	struct mv88e6xxx_chip *chip = ds->priv;
4131 
4132 	mv88e6xxx_teardown_devlink_regions_port(ds, port);
4133 
4134 	if (chip->info->ops->pcs_ops &&
4135 	    chip->info->ops->pcs_ops->pcs_teardown)
4136 		chip->info->ops->pcs_ops->pcs_teardown(chip, port);
4137 }
4138 
mv88e6xxx_get_eeprom_len(struct dsa_switch * ds)4139 static int mv88e6xxx_get_eeprom_len(struct dsa_switch *ds)
4140 {
4141 	struct mv88e6xxx_chip *chip = ds->priv;
4142 
4143 	return chip->eeprom_len;
4144 }
4145 
mv88e6xxx_get_eeprom(struct dsa_switch * ds,struct ethtool_eeprom * eeprom,u8 * data)4146 static int mv88e6xxx_get_eeprom(struct dsa_switch *ds,
4147 				struct ethtool_eeprom *eeprom, u8 *data)
4148 {
4149 	struct mv88e6xxx_chip *chip = ds->priv;
4150 	int err;
4151 
4152 	if (!chip->info->ops->get_eeprom)
4153 		return -EOPNOTSUPP;
4154 
4155 	mv88e6xxx_reg_lock(chip);
4156 	err = chip->info->ops->get_eeprom(chip, eeprom, data);
4157 	mv88e6xxx_reg_unlock(chip);
4158 
4159 	if (err)
4160 		return err;
4161 
4162 	eeprom->magic = 0xc3ec4951;
4163 
4164 	return 0;
4165 }
4166 
mv88e6xxx_set_eeprom(struct dsa_switch * ds,struct ethtool_eeprom * eeprom,u8 * data)4167 static int mv88e6xxx_set_eeprom(struct dsa_switch *ds,
4168 				struct ethtool_eeprom *eeprom, u8 *data)
4169 {
4170 	struct mv88e6xxx_chip *chip = ds->priv;
4171 	int err;
4172 
4173 	if (!chip->info->ops->set_eeprom)
4174 		return -EOPNOTSUPP;
4175 
4176 	if (eeprom->magic != 0xc3ec4951)
4177 		return -EINVAL;
4178 
4179 	mv88e6xxx_reg_lock(chip);
4180 	err = chip->info->ops->set_eeprom(chip, eeprom, data);
4181 	mv88e6xxx_reg_unlock(chip);
4182 
4183 	return err;
4184 }
4185 
4186 static const struct mv88e6xxx_ops mv88e6085_ops = {
4187 	/* MV88E6XXX_FAMILY_6097 */
4188 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4189 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4190 	.irl_init_all = mv88e6352_g2_irl_init_all,
4191 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4192 	.phy_read = mv88e6185_phy_ppu_read,
4193 	.phy_write = mv88e6185_phy_ppu_write,
4194 	.port_set_link = mv88e6xxx_port_set_link,
4195 	.port_sync_link = mv88e6xxx_port_sync_link,
4196 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4197 	.port_tag_remap = mv88e6095_port_tag_remap,
4198 	.port_set_policy = mv88e6352_port_set_policy,
4199 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4200 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4201 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4202 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4203 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4204 	.port_pause_limit = mv88e6097_port_pause_limit,
4205 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4206 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4207 	.port_get_cmode = mv88e6185_port_get_cmode,
4208 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4209 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4210 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4211 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4212 	.stats_get_strings = mv88e6095_stats_get_strings,
4213 	.stats_get_stat = mv88e6095_stats_get_stat,
4214 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4215 	.set_egress_port = mv88e6095_g1_set_egress_port,
4216 	.watchdog_ops = &mv88e6097_watchdog_ops,
4217 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4218 	.pot_clear = mv88e6xxx_g2_pot_clear,
4219 	.ppu_enable = mv88e6185_g1_ppu_enable,
4220 	.ppu_disable = mv88e6185_g1_ppu_disable,
4221 	.reset = mv88e6185_g1_reset,
4222 	.rmu_disable = mv88e6085_g1_rmu_disable,
4223 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4224 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4225 	.stu_getnext = mv88e6352_g1_stu_getnext,
4226 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4227 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4228 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4229 };
4230 
4231 static const struct mv88e6xxx_ops mv88e6095_ops = {
4232 	/* MV88E6XXX_FAMILY_6095 */
4233 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4234 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4235 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4236 	.phy_read = mv88e6185_phy_ppu_read,
4237 	.phy_write = mv88e6185_phy_ppu_write,
4238 	.port_set_link = mv88e6xxx_port_set_link,
4239 	.port_sync_link = mv88e6185_port_sync_link,
4240 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4241 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
4242 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
4243 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
4244 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
4245 	.port_get_cmode = mv88e6185_port_get_cmode,
4246 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4247 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4248 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4249 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4250 	.stats_get_strings = mv88e6095_stats_get_strings,
4251 	.stats_get_stat = mv88e6095_stats_get_stat,
4252 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
4253 	.ppu_enable = mv88e6185_g1_ppu_enable,
4254 	.ppu_disable = mv88e6185_g1_ppu_disable,
4255 	.reset = mv88e6185_g1_reset,
4256 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4257 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4258 	.phylink_get_caps = mv88e6095_phylink_get_caps,
4259 	.pcs_ops = &mv88e6185_pcs_ops,
4260 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4261 };
4262 
4263 static const struct mv88e6xxx_ops mv88e6097_ops = {
4264 	/* MV88E6XXX_FAMILY_6097 */
4265 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4266 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4267 	.irl_init_all = mv88e6352_g2_irl_init_all,
4268 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4269 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4270 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4271 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4272 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4273 	.port_set_link = mv88e6xxx_port_set_link,
4274 	.port_sync_link = mv88e6185_port_sync_link,
4275 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4276 	.port_tag_remap = mv88e6095_port_tag_remap,
4277 	.port_set_policy = mv88e6352_port_set_policy,
4278 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4279 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4280 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4281 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4282 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
4283 	.port_pause_limit = mv88e6097_port_pause_limit,
4284 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4285 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4286 	.port_get_cmode = mv88e6185_port_get_cmode,
4287 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4288 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4289 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4290 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4291 	.stats_get_strings = mv88e6095_stats_get_strings,
4292 	.stats_get_stat = mv88e6095_stats_get_stat,
4293 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4294 	.set_egress_port = mv88e6095_g1_set_egress_port,
4295 	.watchdog_ops = &mv88e6097_watchdog_ops,
4296 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4297 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4298 	.pot_clear = mv88e6xxx_g2_pot_clear,
4299 	.reset = mv88e6352_g1_reset,
4300 	.rmu_disable = mv88e6085_g1_rmu_disable,
4301 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4302 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4303 	.phylink_get_caps = mv88e6095_phylink_get_caps,
4304 	.pcs_ops = &mv88e6185_pcs_ops,
4305 	.stu_getnext = mv88e6352_g1_stu_getnext,
4306 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4307 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4308 };
4309 
4310 static const struct mv88e6xxx_ops mv88e6123_ops = {
4311 	/* MV88E6XXX_FAMILY_6165 */
4312 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4313 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4314 	.irl_init_all = mv88e6352_g2_irl_init_all,
4315 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4316 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4317 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4318 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4319 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4320 	.port_set_link = mv88e6xxx_port_set_link,
4321 	.port_sync_link = mv88e6xxx_port_sync_link,
4322 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4323 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
4324 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4325 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4326 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4327 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4328 	.port_get_cmode = mv88e6185_port_get_cmode,
4329 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4330 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4331 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4332 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4333 	.stats_get_strings = mv88e6095_stats_get_strings,
4334 	.stats_get_stat = mv88e6095_stats_get_stat,
4335 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4336 	.set_egress_port = mv88e6095_g1_set_egress_port,
4337 	.watchdog_ops = &mv88e6097_watchdog_ops,
4338 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4339 	.pot_clear = mv88e6xxx_g2_pot_clear,
4340 	.reset = mv88e6352_g1_reset,
4341 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4342 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4343 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4344 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4345 	.stu_getnext = mv88e6352_g1_stu_getnext,
4346 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4347 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4348 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4349 };
4350 
4351 static const struct mv88e6xxx_ops mv88e6131_ops = {
4352 	/* MV88E6XXX_FAMILY_6185 */
4353 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4354 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4355 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4356 	.phy_read = mv88e6185_phy_ppu_read,
4357 	.phy_write = mv88e6185_phy_ppu_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_tag_remap = mv88e6095_port_tag_remap,
4362 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4363 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
4364 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
4365 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4366 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
4367 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4368 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4369 	.port_pause_limit = mv88e6097_port_pause_limit,
4370 	.port_set_pause = mv88e6185_port_set_pause,
4371 	.port_get_cmode = mv88e6185_port_get_cmode,
4372 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4373 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4374 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4375 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4376 	.stats_get_strings = mv88e6095_stats_get_strings,
4377 	.stats_get_stat = mv88e6095_stats_get_stat,
4378 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4379 	.set_egress_port = mv88e6095_g1_set_egress_port,
4380 	.watchdog_ops = &mv88e6097_watchdog_ops,
4381 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
4382 	.ppu_enable = mv88e6185_g1_ppu_enable,
4383 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
4384 	.ppu_disable = mv88e6185_g1_ppu_disable,
4385 	.reset = mv88e6185_g1_reset,
4386 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4387 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4388 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4389 };
4390 
4391 static const struct mv88e6xxx_ops mv88e6141_ops = {
4392 	/* MV88E6XXX_FAMILY_6341 */
4393 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4394 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4395 	.irl_init_all = mv88e6352_g2_irl_init_all,
4396 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4397 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4398 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4399 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4400 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4401 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4402 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4403 	.port_set_link = mv88e6xxx_port_set_link,
4404 	.port_sync_link = mv88e6xxx_port_sync_link,
4405 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4406 	.port_set_speed_duplex = mv88e6341_port_set_speed_duplex,
4407 	.port_max_speed_mode = mv88e6341_port_max_speed_mode,
4408 	.port_tag_remap = mv88e6095_port_tag_remap,
4409 	.port_set_policy = mv88e6352_port_set_policy,
4410 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4411 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4412 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4413 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4414 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4415 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4416 	.port_pause_limit = mv88e6097_port_pause_limit,
4417 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4418 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4419 	.port_get_cmode = mv88e6352_port_get_cmode,
4420 	.port_set_cmode = mv88e6341_port_set_cmode,
4421 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4422 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4423 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4424 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4425 	.stats_get_strings = mv88e6320_stats_get_strings,
4426 	.stats_get_stat = mv88e6390_stats_get_stat,
4427 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4428 	.set_egress_port = mv88e6390_g1_set_egress_port,
4429 	.watchdog_ops = &mv88e6390_watchdog_ops,
4430 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
4431 	.pot_clear = mv88e6xxx_g2_pot_clear,
4432 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4433 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4434 	.reset = mv88e6352_g1_reset,
4435 	.rmu_disable = mv88e6390_g1_rmu_disable,
4436 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4437 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4438 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4439 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4440 	.stu_getnext = mv88e6352_g1_stu_getnext,
4441 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4442 	.serdes_get_lane = mv88e6341_serdes_get_lane,
4443 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4444 	.gpio_ops = &mv88e6352_gpio_ops,
4445 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
4446 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4447 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4448 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4449 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4450 	.phylink_get_caps = mv88e6341_phylink_get_caps,
4451 	.pcs_ops = &mv88e6390_pcs_ops,
4452 };
4453 
4454 static const struct mv88e6xxx_ops mv88e6161_ops = {
4455 	/* MV88E6XXX_FAMILY_6165 */
4456 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4457 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4458 	.irl_init_all = mv88e6352_g2_irl_init_all,
4459 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4460 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4461 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4462 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4463 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4464 	.port_set_link = mv88e6xxx_port_set_link,
4465 	.port_sync_link = mv88e6xxx_port_sync_link,
4466 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4467 	.port_tag_remap = mv88e6095_port_tag_remap,
4468 	.port_set_policy = mv88e6352_port_set_policy,
4469 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4470 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4471 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4472 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4473 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4474 	.port_pause_limit = mv88e6097_port_pause_limit,
4475 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4476 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4477 	.port_get_cmode = mv88e6185_port_get_cmode,
4478 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4479 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4480 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4481 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4482 	.stats_get_strings = mv88e6095_stats_get_strings,
4483 	.stats_get_stat = mv88e6095_stats_get_stat,
4484 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4485 	.set_egress_port = mv88e6095_g1_set_egress_port,
4486 	.watchdog_ops = &mv88e6097_watchdog_ops,
4487 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4488 	.pot_clear = mv88e6xxx_g2_pot_clear,
4489 	.reset = mv88e6352_g1_reset,
4490 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4491 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4492 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4493 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4494 	.stu_getnext = mv88e6352_g1_stu_getnext,
4495 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4496 	.avb_ops = &mv88e6165_avb_ops,
4497 	.ptp_ops = &mv88e6165_ptp_ops,
4498 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4499 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4500 };
4501 
4502 static const struct mv88e6xxx_ops mv88e6165_ops = {
4503 	/* MV88E6XXX_FAMILY_6165 */
4504 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4505 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4506 	.irl_init_all = mv88e6352_g2_irl_init_all,
4507 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4508 	.phy_read = mv88e6165_phy_read,
4509 	.phy_write = mv88e6165_phy_write,
4510 	.port_set_link = mv88e6xxx_port_set_link,
4511 	.port_sync_link = mv88e6xxx_port_sync_link,
4512 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4513 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4514 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4515 	.port_get_cmode = mv88e6185_port_get_cmode,
4516 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4517 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4518 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4519 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4520 	.stats_get_strings = mv88e6095_stats_get_strings,
4521 	.stats_get_stat = mv88e6095_stats_get_stat,
4522 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4523 	.set_egress_port = mv88e6095_g1_set_egress_port,
4524 	.watchdog_ops = &mv88e6097_watchdog_ops,
4525 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4526 	.pot_clear = mv88e6xxx_g2_pot_clear,
4527 	.reset = mv88e6352_g1_reset,
4528 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4529 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4530 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4531 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4532 	.stu_getnext = mv88e6352_g1_stu_getnext,
4533 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4534 	.avb_ops = &mv88e6165_avb_ops,
4535 	.ptp_ops = &mv88e6165_ptp_ops,
4536 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4537 };
4538 
4539 static const struct mv88e6xxx_ops mv88e6171_ops = {
4540 	/* MV88E6XXX_FAMILY_6351 */
4541 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4542 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4543 	.irl_init_all = mv88e6352_g2_irl_init_all,
4544 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4545 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4546 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4547 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4548 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4549 	.port_set_link = mv88e6xxx_port_set_link,
4550 	.port_sync_link = mv88e6xxx_port_sync_link,
4551 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4552 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4553 	.port_tag_remap = mv88e6095_port_tag_remap,
4554 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4555 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4556 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4557 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4558 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4559 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4560 	.port_pause_limit = mv88e6097_port_pause_limit,
4561 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4562 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4563 	.port_get_cmode = mv88e6352_port_get_cmode,
4564 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4565 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4566 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4567 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4568 	.stats_get_strings = mv88e6095_stats_get_strings,
4569 	.stats_get_stat = mv88e6095_stats_get_stat,
4570 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4571 	.set_egress_port = mv88e6095_g1_set_egress_port,
4572 	.watchdog_ops = &mv88e6097_watchdog_ops,
4573 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4574 	.pot_clear = mv88e6xxx_g2_pot_clear,
4575 	.reset = mv88e6352_g1_reset,
4576 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4577 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4578 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4579 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4580 	.stu_getnext = mv88e6352_g1_stu_getnext,
4581 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4582 	.phylink_get_caps = mv88e6351_phylink_get_caps,
4583 };
4584 
4585 static const struct mv88e6xxx_ops mv88e6172_ops = {
4586 	/* MV88E6XXX_FAMILY_6352 */
4587 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4588 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4589 	.irl_init_all = mv88e6352_g2_irl_init_all,
4590 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4591 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4592 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4593 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4594 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4595 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4596 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4597 	.port_set_link = mv88e6xxx_port_set_link,
4598 	.port_sync_link = mv88e6xxx_port_sync_link,
4599 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4600 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4601 	.port_tag_remap = mv88e6095_port_tag_remap,
4602 	.port_set_policy = mv88e6352_port_set_policy,
4603 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4604 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4605 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4606 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4607 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4608 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4609 	.port_pause_limit = mv88e6097_port_pause_limit,
4610 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4611 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4612 	.port_get_cmode = mv88e6352_port_get_cmode,
4613 	.port_setup_leds = mv88e6xxx_port_setup_leds,
4614 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4615 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4616 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4617 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4618 	.stats_get_strings = mv88e6095_stats_get_strings,
4619 	.stats_get_stat = mv88e6095_stats_get_stat,
4620 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4621 	.set_egress_port = mv88e6095_g1_set_egress_port,
4622 	.watchdog_ops = &mv88e6097_watchdog_ops,
4623 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4624 	.pot_clear = mv88e6xxx_g2_pot_clear,
4625 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4626 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4627 	.reset = mv88e6352_g1_reset,
4628 	.rmu_disable = mv88e6352_g1_rmu_disable,
4629 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4630 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4631 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4632 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4633 	.stu_getnext = mv88e6352_g1_stu_getnext,
4634 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4635 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
4636 	.serdes_get_regs = mv88e6352_serdes_get_regs,
4637 	.gpio_ops = &mv88e6352_gpio_ops,
4638 	.phylink_get_caps = mv88e6352_phylink_get_caps,
4639 	.pcs_ops = &mv88e6352_pcs_ops,
4640 };
4641 
4642 static const struct mv88e6xxx_ops mv88e6175_ops = {
4643 	/* MV88E6XXX_FAMILY_6351 */
4644 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4645 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4646 	.irl_init_all = mv88e6352_g2_irl_init_all,
4647 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4648 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4649 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4650 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4651 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4652 	.port_set_link = mv88e6xxx_port_set_link,
4653 	.port_sync_link = mv88e6xxx_port_sync_link,
4654 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4655 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4656 	.port_tag_remap = mv88e6095_port_tag_remap,
4657 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4658 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4659 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4660 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4661 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4662 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4663 	.port_pause_limit = mv88e6097_port_pause_limit,
4664 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4665 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4666 	.port_get_cmode = mv88e6352_port_get_cmode,
4667 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4668 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4669 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4670 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4671 	.stats_get_strings = mv88e6095_stats_get_strings,
4672 	.stats_get_stat = mv88e6095_stats_get_stat,
4673 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4674 	.set_egress_port = mv88e6095_g1_set_egress_port,
4675 	.watchdog_ops = &mv88e6097_watchdog_ops,
4676 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4677 	.pot_clear = mv88e6xxx_g2_pot_clear,
4678 	.reset = mv88e6352_g1_reset,
4679 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4680 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4681 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4682 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4683 	.stu_getnext = mv88e6352_g1_stu_getnext,
4684 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4685 	.phylink_get_caps = mv88e6351_phylink_get_caps,
4686 };
4687 
4688 static const struct mv88e6xxx_ops mv88e6176_ops = {
4689 	/* MV88E6XXX_FAMILY_6352 */
4690 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4691 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4692 	.irl_init_all = mv88e6352_g2_irl_init_all,
4693 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4694 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4695 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4696 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4697 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4698 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4699 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4700 	.port_set_link = mv88e6xxx_port_set_link,
4701 	.port_sync_link = mv88e6xxx_port_sync_link,
4702 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4703 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4704 	.port_tag_remap = mv88e6095_port_tag_remap,
4705 	.port_set_policy = mv88e6352_port_set_policy,
4706 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4707 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4708 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4709 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4710 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4711 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4712 	.port_pause_limit = mv88e6097_port_pause_limit,
4713 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4714 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4715 	.port_get_cmode = mv88e6352_port_get_cmode,
4716 	.port_setup_leds = mv88e6xxx_port_setup_leds,
4717 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4718 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4719 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4720 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4721 	.stats_get_strings = mv88e6095_stats_get_strings,
4722 	.stats_get_stat = mv88e6095_stats_get_stat,
4723 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4724 	.set_egress_port = mv88e6095_g1_set_egress_port,
4725 	.watchdog_ops = &mv88e6097_watchdog_ops,
4726 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4727 	.pot_clear = mv88e6xxx_g2_pot_clear,
4728 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4729 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4730 	.reset = mv88e6352_g1_reset,
4731 	.rmu_disable = mv88e6352_g1_rmu_disable,
4732 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4733 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4734 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4735 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4736 	.stu_getnext = mv88e6352_g1_stu_getnext,
4737 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4738 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
4739 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
4740 	.serdes_get_regs = mv88e6352_serdes_get_regs,
4741 	.serdes_set_tx_amplitude = mv88e6352_serdes_set_tx_amplitude,
4742 	.gpio_ops = &mv88e6352_gpio_ops,
4743 	.phylink_get_caps = mv88e6352_phylink_get_caps,
4744 	.pcs_ops = &mv88e6352_pcs_ops,
4745 };
4746 
4747 static const struct mv88e6xxx_ops mv88e6185_ops = {
4748 	/* MV88E6XXX_FAMILY_6185 */
4749 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4750 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4751 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4752 	.phy_read = mv88e6185_phy_ppu_read,
4753 	.phy_write = mv88e6185_phy_ppu_write,
4754 	.port_set_link = mv88e6xxx_port_set_link,
4755 	.port_sync_link = mv88e6185_port_sync_link,
4756 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4757 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
4758 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
4759 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
4760 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
4761 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
4762 	.port_set_pause = mv88e6185_port_set_pause,
4763 	.port_get_cmode = mv88e6185_port_get_cmode,
4764 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4765 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4766 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4767 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4768 	.stats_get_strings = mv88e6095_stats_get_strings,
4769 	.stats_get_stat = mv88e6095_stats_get_stat,
4770 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4771 	.set_egress_port = mv88e6095_g1_set_egress_port,
4772 	.watchdog_ops = &mv88e6097_watchdog_ops,
4773 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
4774 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
4775 	.ppu_enable = mv88e6185_g1_ppu_enable,
4776 	.ppu_disable = mv88e6185_g1_ppu_disable,
4777 	.reset = mv88e6185_g1_reset,
4778 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4779 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4780 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4781 	.pcs_ops = &mv88e6185_pcs_ops,
4782 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4783 };
4784 
4785 static const struct mv88e6xxx_ops mv88e6190_ops = {
4786 	/* MV88E6XXX_FAMILY_6390 */
4787 	.setup_errata = mv88e6390_setup_errata,
4788 	.irl_init_all = mv88e6390_g2_irl_init_all,
4789 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4790 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4791 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4792 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4793 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4794 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4795 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4796 	.port_set_link = mv88e6xxx_port_set_link,
4797 	.port_sync_link = mv88e6xxx_port_sync_link,
4798 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4799 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
4800 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4801 	.port_tag_remap = mv88e6390_port_tag_remap,
4802 	.port_set_policy = mv88e6352_port_set_policy,
4803 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4804 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4805 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4806 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4807 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4808 	.port_pause_limit = mv88e6390_port_pause_limit,
4809 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4810 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4811 	.port_get_cmode = mv88e6352_port_get_cmode,
4812 	.port_set_cmode = mv88e6390_port_set_cmode,
4813 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4814 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4815 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4816 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4817 	.stats_get_strings = mv88e6320_stats_get_strings,
4818 	.stats_get_stat = mv88e6390_stats_get_stat,
4819 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4820 	.set_egress_port = mv88e6390_g1_set_egress_port,
4821 	.watchdog_ops = &mv88e6390_watchdog_ops,
4822 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4823 	.pot_clear = mv88e6xxx_g2_pot_clear,
4824 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4825 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4826 	.reset = mv88e6352_g1_reset,
4827 	.rmu_disable = mv88e6390_g1_rmu_disable,
4828 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4829 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4830 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4831 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4832 	.stu_getnext = mv88e6390_g1_stu_getnext,
4833 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
4834 	.serdes_get_lane = mv88e6390_serdes_get_lane,
4835 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4836 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4837 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4838 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4839 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4840 	.gpio_ops = &mv88e6352_gpio_ops,
4841 	.phylink_get_caps = mv88e6390_phylink_get_caps,
4842 	.pcs_ops = &mv88e6390_pcs_ops,
4843 };
4844 
4845 static const struct mv88e6xxx_ops mv88e6190x_ops = {
4846 	/* MV88E6XXX_FAMILY_6390 */
4847 	.setup_errata = mv88e6390_setup_errata,
4848 	.irl_init_all = mv88e6390_g2_irl_init_all,
4849 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4850 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4851 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4852 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4853 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4854 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4855 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4856 	.port_set_link = mv88e6xxx_port_set_link,
4857 	.port_sync_link = mv88e6xxx_port_sync_link,
4858 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4859 	.port_set_speed_duplex = mv88e6390x_port_set_speed_duplex,
4860 	.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
4861 	.port_tag_remap = mv88e6390_port_tag_remap,
4862 	.port_set_policy = mv88e6352_port_set_policy,
4863 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4864 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4865 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4866 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4867 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4868 	.port_pause_limit = mv88e6390_port_pause_limit,
4869 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4870 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4871 	.port_get_cmode = mv88e6352_port_get_cmode,
4872 	.port_set_cmode = mv88e6390x_port_set_cmode,
4873 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4874 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4875 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4876 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4877 	.stats_get_strings = mv88e6320_stats_get_strings,
4878 	.stats_get_stat = mv88e6390_stats_get_stat,
4879 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4880 	.set_egress_port = mv88e6390_g1_set_egress_port,
4881 	.watchdog_ops = &mv88e6390_watchdog_ops,
4882 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4883 	.pot_clear = mv88e6xxx_g2_pot_clear,
4884 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4885 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4886 	.reset = mv88e6352_g1_reset,
4887 	.rmu_disable = mv88e6390_g1_rmu_disable,
4888 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4889 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4890 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4891 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4892 	.stu_getnext = mv88e6390_g1_stu_getnext,
4893 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
4894 	.serdes_get_lane = mv88e6390x_serdes_get_lane,
4895 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4896 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4897 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4898 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4899 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4900 	.gpio_ops = &mv88e6352_gpio_ops,
4901 	.phylink_get_caps = mv88e6390x_phylink_get_caps,
4902 	.pcs_ops = &mv88e6390_pcs_ops,
4903 };
4904 
4905 static const struct mv88e6xxx_ops mv88e6191_ops = {
4906 	/* MV88E6XXX_FAMILY_6390 */
4907 	.setup_errata = mv88e6390_setup_errata,
4908 	.irl_init_all = mv88e6390_g2_irl_init_all,
4909 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4910 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4911 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4912 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4913 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4914 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4915 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4916 	.port_set_link = mv88e6xxx_port_set_link,
4917 	.port_sync_link = mv88e6xxx_port_sync_link,
4918 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4919 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
4920 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4921 	.port_tag_remap = mv88e6390_port_tag_remap,
4922 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4923 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4924 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4925 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4926 	.port_pause_limit = mv88e6390_port_pause_limit,
4927 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4928 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4929 	.port_get_cmode = mv88e6352_port_get_cmode,
4930 	.port_set_cmode = mv88e6390_port_set_cmode,
4931 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4932 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4933 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4934 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4935 	.stats_get_strings = mv88e6320_stats_get_strings,
4936 	.stats_get_stat = mv88e6390_stats_get_stat,
4937 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4938 	.set_egress_port = mv88e6390_g1_set_egress_port,
4939 	.watchdog_ops = &mv88e6390_watchdog_ops,
4940 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4941 	.pot_clear = mv88e6xxx_g2_pot_clear,
4942 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4943 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4944 	.reset = mv88e6352_g1_reset,
4945 	.rmu_disable = mv88e6390_g1_rmu_disable,
4946 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4947 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4948 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4949 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4950 	.stu_getnext = mv88e6390_g1_stu_getnext,
4951 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
4952 	.serdes_get_lane = mv88e6390_serdes_get_lane,
4953 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4954 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4955 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4956 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4957 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4958 	.avb_ops = &mv88e6390_avb_ops,
4959 	.ptp_ops = &mv88e6352_ptp_ops,
4960 	.phylink_get_caps = mv88e6390_phylink_get_caps,
4961 	.pcs_ops = &mv88e6390_pcs_ops,
4962 };
4963 
4964 static const struct mv88e6xxx_ops mv88e6240_ops = {
4965 	/* MV88E6XXX_FAMILY_6352 */
4966 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4967 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4968 	.irl_init_all = mv88e6352_g2_irl_init_all,
4969 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4970 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4971 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4972 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4973 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4974 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4975 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4976 	.port_set_link = mv88e6xxx_port_set_link,
4977 	.port_sync_link = mv88e6xxx_port_sync_link,
4978 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4979 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4980 	.port_tag_remap = mv88e6095_port_tag_remap,
4981 	.port_set_policy = mv88e6352_port_set_policy,
4982 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4983 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4984 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4985 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4986 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4987 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4988 	.port_pause_limit = mv88e6097_port_pause_limit,
4989 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4990 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4991 	.port_get_cmode = mv88e6352_port_get_cmode,
4992 	.port_setup_leds = mv88e6xxx_port_setup_leds,
4993 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4994 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4995 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4996 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4997 	.stats_get_strings = mv88e6095_stats_get_strings,
4998 	.stats_get_stat = mv88e6095_stats_get_stat,
4999 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5000 	.set_egress_port = mv88e6095_g1_set_egress_port,
5001 	.watchdog_ops = &mv88e6097_watchdog_ops,
5002 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5003 	.pot_clear = mv88e6xxx_g2_pot_clear,
5004 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5005 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5006 	.reset = mv88e6352_g1_reset,
5007 	.rmu_disable = mv88e6352_g1_rmu_disable,
5008 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5009 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5010 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5011 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5012 	.stu_getnext = mv88e6352_g1_stu_getnext,
5013 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5014 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
5015 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
5016 	.serdes_get_regs = mv88e6352_serdes_get_regs,
5017 	.serdes_set_tx_amplitude = mv88e6352_serdes_set_tx_amplitude,
5018 	.gpio_ops = &mv88e6352_gpio_ops,
5019 	.avb_ops = &mv88e6352_avb_ops,
5020 	.ptp_ops = &mv88e6352_ptp_ops,
5021 	.phylink_get_caps = mv88e6352_phylink_get_caps,
5022 	.pcs_ops = &mv88e6352_pcs_ops,
5023 };
5024 
5025 static const struct mv88e6xxx_ops mv88e6250_ops = {
5026 	/* MV88E6XXX_FAMILY_6250 */
5027 	.ieee_pri_map = mv88e6250_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 = mv88e6352_port_set_rgmii_delay,
5040 	.port_set_speed_duplex = mv88e6250_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_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5047 	.port_pause_limit = mv88e6097_port_pause_limit,
5048 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5049 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5050 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5051 	.stats_get_sset_count = mv88e6250_stats_get_sset_count,
5052 	.stats_get_strings = mv88e6250_stats_get_strings,
5053 	.stats_get_stat = mv88e6250_stats_get_stat,
5054 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5055 	.set_egress_port = mv88e6095_g1_set_egress_port,
5056 	.watchdog_ops = &mv88e6250_watchdog_ops,
5057 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5058 	.pot_clear = mv88e6xxx_g2_pot_clear,
5059 	.hardware_reset_pre = mv88e6250_g1_wait_eeprom_done_prereset,
5060 	.hardware_reset_post = mv88e6xxx_g1_wait_eeprom_done,
5061 	.reset = mv88e6250_g1_reset,
5062 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
5063 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
5064 	.avb_ops = &mv88e6352_avb_ops,
5065 	.ptp_ops = &mv88e6250_ptp_ops,
5066 	.phylink_get_caps = mv88e6250_phylink_get_caps,
5067 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
5068 };
5069 
5070 static const struct mv88e6xxx_ops mv88e6290_ops = {
5071 	/* MV88E6XXX_FAMILY_6390 */
5072 	.setup_errata = mv88e6390_setup_errata,
5073 	.irl_init_all = mv88e6390_g2_irl_init_all,
5074 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5075 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5076 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5077 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5078 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5079 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5080 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5081 	.port_set_link = mv88e6xxx_port_set_link,
5082 	.port_sync_link = mv88e6xxx_port_sync_link,
5083 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5084 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
5085 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
5086 	.port_tag_remap = mv88e6390_port_tag_remap,
5087 	.port_set_policy = mv88e6352_port_set_policy,
5088 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5089 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5090 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5091 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5092 	.port_pause_limit = mv88e6390_port_pause_limit,
5093 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5094 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5095 	.port_get_cmode = mv88e6352_port_get_cmode,
5096 	.port_set_cmode = mv88e6390_port_set_cmode,
5097 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5098 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5099 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5100 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5101 	.stats_get_strings = mv88e6320_stats_get_strings,
5102 	.stats_get_stat = mv88e6390_stats_get_stat,
5103 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
5104 	.set_egress_port = mv88e6390_g1_set_egress_port,
5105 	.watchdog_ops = &mv88e6390_watchdog_ops,
5106 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
5107 	.pot_clear = mv88e6xxx_g2_pot_clear,
5108 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5109 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5110 	.reset = mv88e6352_g1_reset,
5111 	.rmu_disable = mv88e6390_g1_rmu_disable,
5112 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5113 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5114 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
5115 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5116 	.stu_getnext = mv88e6390_g1_stu_getnext,
5117 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5118 	.serdes_get_lane = mv88e6390_serdes_get_lane,
5119 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5120 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5121 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5122 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5123 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5124 	.gpio_ops = &mv88e6352_gpio_ops,
5125 	.avb_ops = &mv88e6390_avb_ops,
5126 	.ptp_ops = &mv88e6390_ptp_ops,
5127 	.phylink_get_caps = mv88e6390_phylink_get_caps,
5128 	.pcs_ops = &mv88e6390_pcs_ops,
5129 };
5130 
5131 static const struct mv88e6xxx_ops mv88e6320_ops = {
5132 	/* MV88E6XXX_FAMILY_6320 */
5133 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5134 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5135 	.irl_init_all = mv88e6352_g2_irl_init_all,
5136 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
5137 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
5138 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5139 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5140 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5141 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5142 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5143 	.port_set_link = mv88e6xxx_port_set_link,
5144 	.port_sync_link = mv88e6xxx_port_sync_link,
5145 	.port_set_rgmii_delay = mv88e6320_port_set_rgmii_delay,
5146 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5147 	.port_tag_remap = mv88e6095_port_tag_remap,
5148 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5149 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5150 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5151 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5152 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5153 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5154 	.port_pause_limit = mv88e6097_port_pause_limit,
5155 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5156 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5157 	.port_get_cmode = mv88e6352_port_get_cmode,
5158 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5159 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5160 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5161 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5162 	.stats_get_strings = mv88e6320_stats_get_strings,
5163 	.stats_get_stat = mv88e6320_stats_get_stat,
5164 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5165 	.set_egress_port = mv88e6095_g1_set_egress_port,
5166 	.watchdog_ops = &mv88e6390_watchdog_ops,
5167 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5168 	.pot_clear = mv88e6xxx_g2_pot_clear,
5169 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5170 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5171 	.reset = mv88e6352_g1_reset,
5172 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
5173 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
5174 	.gpio_ops = &mv88e6352_gpio_ops,
5175 	.avb_ops = &mv88e6352_avb_ops,
5176 	.ptp_ops = &mv88e6352_ptp_ops,
5177 	.phylink_get_caps = mv88e632x_phylink_get_caps,
5178 };
5179 
5180 static const struct mv88e6xxx_ops mv88e6321_ops = {
5181 	/* MV88E6XXX_FAMILY_6320 */
5182 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5183 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5184 	.irl_init_all = mv88e6352_g2_irl_init_all,
5185 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
5186 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
5187 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5188 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5189 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5190 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5191 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5192 	.port_set_link = mv88e6xxx_port_set_link,
5193 	.port_sync_link = mv88e6xxx_port_sync_link,
5194 	.port_set_rgmii_delay = mv88e6320_port_set_rgmii_delay,
5195 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5196 	.port_tag_remap = mv88e6095_port_tag_remap,
5197 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5198 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5199 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5200 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5201 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5202 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5203 	.port_pause_limit = mv88e6097_port_pause_limit,
5204 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5205 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5206 	.port_get_cmode = mv88e6352_port_get_cmode,
5207 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5208 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5209 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5210 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5211 	.stats_get_strings = mv88e6320_stats_get_strings,
5212 	.stats_get_stat = mv88e6320_stats_get_stat,
5213 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5214 	.set_egress_port = mv88e6095_g1_set_egress_port,
5215 	.watchdog_ops = &mv88e6390_watchdog_ops,
5216 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5217 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5218 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5219 	.reset = mv88e6352_g1_reset,
5220 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
5221 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
5222 	.gpio_ops = &mv88e6352_gpio_ops,
5223 	.avb_ops = &mv88e6352_avb_ops,
5224 	.ptp_ops = &mv88e6352_ptp_ops,
5225 	.phylink_get_caps = mv88e632x_phylink_get_caps,
5226 };
5227 
5228 static const struct mv88e6xxx_ops mv88e6341_ops = {
5229 	/* MV88E6XXX_FAMILY_6341 */
5230 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5231 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5232 	.irl_init_all = mv88e6352_g2_irl_init_all,
5233 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5234 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5235 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5236 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5237 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5238 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5239 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5240 	.port_set_link = mv88e6xxx_port_set_link,
5241 	.port_sync_link = mv88e6xxx_port_sync_link,
5242 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5243 	.port_set_speed_duplex = mv88e6341_port_set_speed_duplex,
5244 	.port_max_speed_mode = mv88e6341_port_max_speed_mode,
5245 	.port_tag_remap = mv88e6095_port_tag_remap,
5246 	.port_set_policy = mv88e6352_port_set_policy,
5247 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5248 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5249 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5250 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5251 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5252 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5253 	.port_pause_limit = mv88e6097_port_pause_limit,
5254 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5255 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5256 	.port_get_cmode = mv88e6352_port_get_cmode,
5257 	.port_set_cmode = mv88e6341_port_set_cmode,
5258 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5259 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5260 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5261 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5262 	.stats_get_strings = mv88e6320_stats_get_strings,
5263 	.stats_get_stat = mv88e6390_stats_get_stat,
5264 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
5265 	.set_egress_port = mv88e6390_g1_set_egress_port,
5266 	.watchdog_ops = &mv88e6390_watchdog_ops,
5267 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
5268 	.pot_clear = mv88e6xxx_g2_pot_clear,
5269 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5270 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5271 	.reset = mv88e6352_g1_reset,
5272 	.rmu_disable = mv88e6390_g1_rmu_disable,
5273 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5274 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5275 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5276 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5277 	.stu_getnext = mv88e6352_g1_stu_getnext,
5278 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5279 	.serdes_get_lane = mv88e6341_serdes_get_lane,
5280 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5281 	.gpio_ops = &mv88e6352_gpio_ops,
5282 	.avb_ops = &mv88e6390_avb_ops,
5283 	.ptp_ops = &mv88e6352_ptp_ops,
5284 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
5285 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5286 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5287 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5288 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5289 	.phylink_get_caps = mv88e6341_phylink_get_caps,
5290 	.pcs_ops = &mv88e6390_pcs_ops,
5291 };
5292 
5293 static const struct mv88e6xxx_ops mv88e6350_ops = {
5294 	/* MV88E6XXX_FAMILY_6351 */
5295 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5296 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5297 	.irl_init_all = mv88e6352_g2_irl_init_all,
5298 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5299 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5300 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5301 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5302 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5303 	.port_set_link = mv88e6xxx_port_set_link,
5304 	.port_sync_link = mv88e6xxx_port_sync_link,
5305 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
5306 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5307 	.port_tag_remap = mv88e6095_port_tag_remap,
5308 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5309 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5310 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5311 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5312 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5313 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5314 	.port_pause_limit = mv88e6097_port_pause_limit,
5315 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5316 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5317 	.port_get_cmode = mv88e6352_port_get_cmode,
5318 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5319 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5320 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5321 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
5322 	.stats_get_strings = mv88e6095_stats_get_strings,
5323 	.stats_get_stat = mv88e6095_stats_get_stat,
5324 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5325 	.set_egress_port = mv88e6095_g1_set_egress_port,
5326 	.watchdog_ops = &mv88e6097_watchdog_ops,
5327 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5328 	.pot_clear = mv88e6xxx_g2_pot_clear,
5329 	.reset = mv88e6352_g1_reset,
5330 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5331 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5332 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5333 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5334 	.stu_getnext = mv88e6352_g1_stu_getnext,
5335 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5336 	.phylink_get_caps = mv88e6351_phylink_get_caps,
5337 };
5338 
5339 static const struct mv88e6xxx_ops mv88e6351_ops = {
5340 	/* MV88E6XXX_FAMILY_6351 */
5341 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5342 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5343 	.irl_init_all = mv88e6352_g2_irl_init_all,
5344 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5345 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5346 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5347 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5348 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5349 	.port_set_link = mv88e6xxx_port_set_link,
5350 	.port_sync_link = mv88e6xxx_port_sync_link,
5351 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
5352 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5353 	.port_tag_remap = mv88e6095_port_tag_remap,
5354 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5355 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5356 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5357 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5358 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5359 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5360 	.port_pause_limit = mv88e6097_port_pause_limit,
5361 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5362 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5363 	.port_get_cmode = mv88e6352_port_get_cmode,
5364 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5365 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5366 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5367 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
5368 	.stats_get_strings = mv88e6095_stats_get_strings,
5369 	.stats_get_stat = mv88e6095_stats_get_stat,
5370 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5371 	.set_egress_port = mv88e6095_g1_set_egress_port,
5372 	.watchdog_ops = &mv88e6097_watchdog_ops,
5373 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5374 	.pot_clear = mv88e6xxx_g2_pot_clear,
5375 	.reset = mv88e6352_g1_reset,
5376 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5377 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5378 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5379 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5380 	.stu_getnext = mv88e6352_g1_stu_getnext,
5381 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5382 	.avb_ops = &mv88e6352_avb_ops,
5383 	.ptp_ops = &mv88e6352_ptp_ops,
5384 	.phylink_get_caps = mv88e6351_phylink_get_caps,
5385 };
5386 
5387 static const struct mv88e6xxx_ops mv88e6352_ops = {
5388 	/* MV88E6XXX_FAMILY_6352 */
5389 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5390 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5391 	.irl_init_all = mv88e6352_g2_irl_init_all,
5392 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
5393 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
5394 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5395 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5396 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5397 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5398 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5399 	.port_set_link = mv88e6xxx_port_set_link,
5400 	.port_sync_link = mv88e6xxx_port_sync_link,
5401 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
5402 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
5403 	.port_tag_remap = mv88e6095_port_tag_remap,
5404 	.port_set_policy = mv88e6352_port_set_policy,
5405 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5406 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5407 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5408 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5409 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5410 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5411 	.port_pause_limit = mv88e6097_port_pause_limit,
5412 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5413 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5414 	.port_get_cmode = mv88e6352_port_get_cmode,
5415 	.port_setup_leds = mv88e6xxx_port_setup_leds,
5416 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5417 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5418 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5419 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
5420 	.stats_get_strings = mv88e6095_stats_get_strings,
5421 	.stats_get_stat = mv88e6095_stats_get_stat,
5422 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5423 	.set_egress_port = mv88e6095_g1_set_egress_port,
5424 	.watchdog_ops = &mv88e6097_watchdog_ops,
5425 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5426 	.pot_clear = mv88e6xxx_g2_pot_clear,
5427 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5428 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5429 	.reset = mv88e6352_g1_reset,
5430 	.rmu_disable = mv88e6352_g1_rmu_disable,
5431 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5432 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5433 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5434 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5435 	.stu_getnext = mv88e6352_g1_stu_getnext,
5436 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5437 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
5438 	.gpio_ops = &mv88e6352_gpio_ops,
5439 	.avb_ops = &mv88e6352_avb_ops,
5440 	.ptp_ops = &mv88e6352_ptp_ops,
5441 	.serdes_get_sset_count = mv88e6352_serdes_get_sset_count,
5442 	.serdes_get_strings = mv88e6352_serdes_get_strings,
5443 	.serdes_get_stats = mv88e6352_serdes_get_stats,
5444 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
5445 	.serdes_get_regs = mv88e6352_serdes_get_regs,
5446 	.serdes_set_tx_amplitude = mv88e6352_serdes_set_tx_amplitude,
5447 	.phylink_get_caps = mv88e6352_phylink_get_caps,
5448 	.pcs_ops = &mv88e6352_pcs_ops,
5449 };
5450 
5451 static const struct mv88e6xxx_ops mv88e6390_ops = {
5452 	/* MV88E6XXX_FAMILY_6390 */
5453 	.setup_errata = mv88e6390_setup_errata,
5454 	.irl_init_all = mv88e6390_g2_irl_init_all,
5455 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5456 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5457 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5458 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5459 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5460 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5461 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5462 	.port_set_link = mv88e6xxx_port_set_link,
5463 	.port_sync_link = mv88e6xxx_port_sync_link,
5464 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5465 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
5466 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
5467 	.port_tag_remap = mv88e6390_port_tag_remap,
5468 	.port_set_policy = mv88e6352_port_set_policy,
5469 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5470 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5471 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5472 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5473 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5474 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5475 	.port_pause_limit = mv88e6390_port_pause_limit,
5476 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5477 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5478 	.port_get_cmode = mv88e6352_port_get_cmode,
5479 	.port_set_cmode = mv88e6390_port_set_cmode,
5480 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5481 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5482 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5483 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5484 	.stats_get_strings = mv88e6320_stats_get_strings,
5485 	.stats_get_stat = mv88e6390_stats_get_stat,
5486 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
5487 	.set_egress_port = mv88e6390_g1_set_egress_port,
5488 	.watchdog_ops = &mv88e6390_watchdog_ops,
5489 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
5490 	.pot_clear = mv88e6xxx_g2_pot_clear,
5491 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5492 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5493 	.reset = mv88e6352_g1_reset,
5494 	.rmu_disable = mv88e6390_g1_rmu_disable,
5495 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5496 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5497 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
5498 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5499 	.stu_getnext = mv88e6390_g1_stu_getnext,
5500 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5501 	.serdes_get_lane = mv88e6390_serdes_get_lane,
5502 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5503 	.gpio_ops = &mv88e6352_gpio_ops,
5504 	.avb_ops = &mv88e6390_avb_ops,
5505 	.ptp_ops = &mv88e6390_ptp_ops,
5506 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
5507 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5508 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5509 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5510 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5511 	.phylink_get_caps = mv88e6390_phylink_get_caps,
5512 	.pcs_ops = &mv88e6390_pcs_ops,
5513 };
5514 
5515 static const struct mv88e6xxx_ops mv88e6390x_ops = {
5516 	/* MV88E6XXX_FAMILY_6390 */
5517 	.setup_errata = mv88e6390_setup_errata,
5518 	.irl_init_all = mv88e6390_g2_irl_init_all,
5519 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5520 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5521 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5522 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5523 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5524 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5525 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5526 	.port_set_link = mv88e6xxx_port_set_link,
5527 	.port_sync_link = mv88e6xxx_port_sync_link,
5528 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5529 	.port_set_speed_duplex = mv88e6390x_port_set_speed_duplex,
5530 	.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
5531 	.port_tag_remap = mv88e6390_port_tag_remap,
5532 	.port_set_policy = mv88e6352_port_set_policy,
5533 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5534 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5535 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5536 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5537 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5538 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5539 	.port_pause_limit = mv88e6390_port_pause_limit,
5540 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5541 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5542 	.port_get_cmode = mv88e6352_port_get_cmode,
5543 	.port_set_cmode = mv88e6390x_port_set_cmode,
5544 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5545 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5546 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5547 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5548 	.stats_get_strings = mv88e6320_stats_get_strings,
5549 	.stats_get_stat = mv88e6390_stats_get_stat,
5550 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
5551 	.set_egress_port = mv88e6390_g1_set_egress_port,
5552 	.watchdog_ops = &mv88e6390_watchdog_ops,
5553 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
5554 	.pot_clear = mv88e6xxx_g2_pot_clear,
5555 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5556 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5557 	.reset = mv88e6352_g1_reset,
5558 	.rmu_disable = mv88e6390_g1_rmu_disable,
5559 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5560 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5561 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
5562 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5563 	.stu_getnext = mv88e6390_g1_stu_getnext,
5564 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5565 	.serdes_get_lane = mv88e6390x_serdes_get_lane,
5566 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5567 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
5568 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5569 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5570 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5571 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5572 	.gpio_ops = &mv88e6352_gpio_ops,
5573 	.avb_ops = &mv88e6390_avb_ops,
5574 	.ptp_ops = &mv88e6390_ptp_ops,
5575 	.phylink_get_caps = mv88e6390x_phylink_get_caps,
5576 	.pcs_ops = &mv88e6390_pcs_ops,
5577 };
5578 
5579 static const struct mv88e6xxx_ops mv88e6393x_ops = {
5580 	/* MV88E6XXX_FAMILY_6393 */
5581 	.irl_init_all = mv88e6390_g2_irl_init_all,
5582 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5583 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5584 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5585 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5586 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5587 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5588 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5589 	.port_set_link = mv88e6xxx_port_set_link,
5590 	.port_sync_link = mv88e6xxx_port_sync_link,
5591 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5592 	.port_set_speed_duplex = mv88e6393x_port_set_speed_duplex,
5593 	.port_max_speed_mode = mv88e6393x_port_max_speed_mode,
5594 	.port_tag_remap = mv88e6390_port_tag_remap,
5595 	.port_set_policy = mv88e6393x_port_set_policy,
5596 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5597 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5598 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5599 	.port_set_ether_type = mv88e6393x_port_set_ether_type,
5600 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5601 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5602 	.port_pause_limit = mv88e6390_port_pause_limit,
5603 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5604 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5605 	.port_get_cmode = mv88e6352_port_get_cmode,
5606 	.port_set_cmode = mv88e6393x_port_set_cmode,
5607 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5608 	.port_set_upstream_port = mv88e6393x_port_set_upstream_port,
5609 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5610 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5611 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5612 	.stats_get_strings = mv88e6320_stats_get_strings,
5613 	.stats_get_stat = mv88e6390_stats_get_stat,
5614 	/* .set_cpu_port is missing because this family does not support a global
5615 	 * CPU port, only per port CPU port which is set via
5616 	 * .port_set_upstream_port method.
5617 	 */
5618 	.set_egress_port = mv88e6393x_set_egress_port,
5619 	.watchdog_ops = &mv88e6393x_watchdog_ops,
5620 	.mgmt_rsvd2cpu = mv88e6393x_port_mgmt_rsvd2cpu,
5621 	.pot_clear = mv88e6xxx_g2_pot_clear,
5622 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5623 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5624 	.reset = mv88e6352_g1_reset,
5625 	.rmu_disable = mv88e6390_g1_rmu_disable,
5626 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5627 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5628 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
5629 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5630 	.stu_getnext = mv88e6390_g1_stu_getnext,
5631 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5632 	.serdes_get_lane = mv88e6393x_serdes_get_lane,
5633 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5634 	/* TODO: serdes stats */
5635 	.gpio_ops = &mv88e6352_gpio_ops,
5636 	.avb_ops = &mv88e6390_avb_ops,
5637 	.ptp_ops = &mv88e6352_ptp_ops,
5638 	.phylink_get_caps = mv88e6393x_phylink_get_caps,
5639 	.pcs_ops = &mv88e6393x_pcs_ops,
5640 };
5641 
5642 static const struct mv88e6xxx_info mv88e6xxx_table[] = {
5643 	[MV88E6020] = {
5644 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6020,
5645 		.family = MV88E6XXX_FAMILY_6250,
5646 		.name = "Marvell 88E6020",
5647 		.num_databases = 64,
5648 		/* Ports 2-4 are not routed to pins
5649 		 * => usable ports 0, 1, 5, 6
5650 		 */
5651 		.num_ports = 7,
5652 		.num_internal_phys = 2,
5653 		.invalid_port_mask = BIT(2) | BIT(3) | BIT(4),
5654 		.max_vid = 4095,
5655 		.port_base_addr = 0x8,
5656 		.phy_base_addr = 0x0,
5657 		.global1_addr = 0xf,
5658 		.global2_addr = 0x7,
5659 		.age_time_coeff = 15000,
5660 		.g1_irqs = 9,
5661 		.g2_irqs = 5,
5662 		.stats_type = STATS_TYPE_BANK0,
5663 		.atu_move_port_mask = 0xf,
5664 		.dual_chip = true,
5665 		.ops = &mv88e6250_ops,
5666 	},
5667 
5668 	[MV88E6071] = {
5669 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6071,
5670 		.family = MV88E6XXX_FAMILY_6250,
5671 		.name = "Marvell 88E6071",
5672 		.num_databases = 64,
5673 		.num_ports = 7,
5674 		.num_internal_phys = 5,
5675 		.max_vid = 4095,
5676 		.port_base_addr = 0x08,
5677 		.phy_base_addr = 0x00,
5678 		.global1_addr = 0x0f,
5679 		.global2_addr = 0x07,
5680 		.age_time_coeff = 15000,
5681 		.g1_irqs = 9,
5682 		.g2_irqs = 5,
5683 		.stats_type = STATS_TYPE_BANK0,
5684 		.atu_move_port_mask = 0xf,
5685 		.dual_chip = true,
5686 		.ops = &mv88e6250_ops,
5687 	},
5688 
5689 	[MV88E6085] = {
5690 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6085,
5691 		.family = MV88E6XXX_FAMILY_6097,
5692 		.name = "Marvell 88E6085",
5693 		.num_databases = 4096,
5694 		.num_macs = 8192,
5695 		.num_ports = 10,
5696 		.num_internal_phys = 5,
5697 		.max_vid = 4095,
5698 		.max_sid = 63,
5699 		.port_base_addr = 0x10,
5700 		.phy_base_addr = 0x0,
5701 		.global1_addr = 0x1b,
5702 		.global2_addr = 0x1c,
5703 		.age_time_coeff = 15000,
5704 		.g1_irqs = 8,
5705 		.g2_irqs = 10,
5706 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5707 		.atu_move_port_mask = 0xf,
5708 		.pvt = true,
5709 		.multi_chip = true,
5710 		.ops = &mv88e6085_ops,
5711 	},
5712 
5713 	[MV88E6095] = {
5714 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6095,
5715 		.family = MV88E6XXX_FAMILY_6095,
5716 		.name = "Marvell 88E6095/88E6095F",
5717 		.num_databases = 256,
5718 		.num_macs = 8192,
5719 		.num_ports = 11,
5720 		.num_internal_phys = 0,
5721 		.max_vid = 4095,
5722 		.port_base_addr = 0x10,
5723 		.phy_base_addr = 0x0,
5724 		.global1_addr = 0x1b,
5725 		.global2_addr = 0x1c,
5726 		.age_time_coeff = 15000,
5727 		.g1_irqs = 8,
5728 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5729 		.atu_move_port_mask = 0xf,
5730 		.multi_chip = true,
5731 		.ops = &mv88e6095_ops,
5732 	},
5733 
5734 	[MV88E6097] = {
5735 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6097,
5736 		.family = MV88E6XXX_FAMILY_6097,
5737 		.name = "Marvell 88E6097/88E6097F",
5738 		.num_databases = 4096,
5739 		.num_macs = 8192,
5740 		.num_ports = 11,
5741 		.num_internal_phys = 8,
5742 		.max_vid = 4095,
5743 		.max_sid = 63,
5744 		.port_base_addr = 0x10,
5745 		.phy_base_addr = 0x0,
5746 		.global1_addr = 0x1b,
5747 		.global2_addr = 0x1c,
5748 		.age_time_coeff = 15000,
5749 		.g1_irqs = 8,
5750 		.g2_irqs = 10,
5751 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5752 		.atu_move_port_mask = 0xf,
5753 		.pvt = true,
5754 		.multi_chip = true,
5755 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5756 		.ops = &mv88e6097_ops,
5757 	},
5758 
5759 	[MV88E6123] = {
5760 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6123,
5761 		.family = MV88E6XXX_FAMILY_6165,
5762 		.name = "Marvell 88E6123",
5763 		.num_databases = 4096,
5764 		.num_macs = 1024,
5765 		.num_ports = 3,
5766 		.num_internal_phys = 5,
5767 		.max_vid = 4095,
5768 		.max_sid = 63,
5769 		.port_base_addr = 0x10,
5770 		.phy_base_addr = 0x0,
5771 		.global1_addr = 0x1b,
5772 		.global2_addr = 0x1c,
5773 		.age_time_coeff = 15000,
5774 		.g1_irqs = 9,
5775 		.g2_irqs = 10,
5776 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5777 		.atu_move_port_mask = 0xf,
5778 		.pvt = true,
5779 		.multi_chip = true,
5780 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5781 		.ops = &mv88e6123_ops,
5782 	},
5783 
5784 	[MV88E6131] = {
5785 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6131,
5786 		.family = MV88E6XXX_FAMILY_6185,
5787 		.name = "Marvell 88E6131",
5788 		.num_databases = 256,
5789 		.num_macs = 8192,
5790 		.num_ports = 8,
5791 		.num_internal_phys = 0,
5792 		.max_vid = 4095,
5793 		.port_base_addr = 0x10,
5794 		.phy_base_addr = 0x0,
5795 		.global1_addr = 0x1b,
5796 		.global2_addr = 0x1c,
5797 		.age_time_coeff = 15000,
5798 		.g1_irqs = 9,
5799 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5800 		.atu_move_port_mask = 0xf,
5801 		.multi_chip = true,
5802 		.ops = &mv88e6131_ops,
5803 	},
5804 
5805 	[MV88E6141] = {
5806 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6141,
5807 		.family = MV88E6XXX_FAMILY_6341,
5808 		.name = "Marvell 88E6141",
5809 		.num_databases = 256,
5810 		.num_macs = 2048,
5811 		.num_ports = 6,
5812 		.num_internal_phys = 5,
5813 		.num_gpio = 11,
5814 		.max_vid = 4095,
5815 		.max_sid = 63,
5816 		.port_base_addr = 0x10,
5817 		.phy_base_addr = 0x10,
5818 		.global1_addr = 0x1b,
5819 		.global2_addr = 0x1c,
5820 		.age_time_coeff = 3750,
5821 		.atu_move_port_mask = 0x1f,
5822 		.g1_irqs = 9,
5823 		.g2_irqs = 10,
5824 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
5825 		.pvt = true,
5826 		.multi_chip = true,
5827 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5828 		.ops = &mv88e6141_ops,
5829 	},
5830 
5831 	[MV88E6161] = {
5832 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6161,
5833 		.family = MV88E6XXX_FAMILY_6165,
5834 		.name = "Marvell 88E6161",
5835 		.num_databases = 4096,
5836 		.num_macs = 1024,
5837 		.num_ports = 6,
5838 		.num_internal_phys = 5,
5839 		.max_vid = 4095,
5840 		.max_sid = 63,
5841 		.port_base_addr = 0x10,
5842 		.phy_base_addr = 0x0,
5843 		.global1_addr = 0x1b,
5844 		.global2_addr = 0x1c,
5845 		.age_time_coeff = 15000,
5846 		.g1_irqs = 9,
5847 		.g2_irqs = 10,
5848 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5849 		.atu_move_port_mask = 0xf,
5850 		.pvt = true,
5851 		.multi_chip = true,
5852 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5853 		.ptp_support = true,
5854 		.ops = &mv88e6161_ops,
5855 	},
5856 
5857 	[MV88E6165] = {
5858 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6165,
5859 		.family = MV88E6XXX_FAMILY_6165,
5860 		.name = "Marvell 88E6165",
5861 		.num_databases = 4096,
5862 		.num_macs = 8192,
5863 		.num_ports = 6,
5864 		.num_internal_phys = 0,
5865 		.max_vid = 4095,
5866 		.max_sid = 63,
5867 		.port_base_addr = 0x10,
5868 		.phy_base_addr = 0x0,
5869 		.global1_addr = 0x1b,
5870 		.global2_addr = 0x1c,
5871 		.age_time_coeff = 15000,
5872 		.g1_irqs = 9,
5873 		.g2_irqs = 10,
5874 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5875 		.atu_move_port_mask = 0xf,
5876 		.pvt = true,
5877 		.multi_chip = true,
5878 		.ptp_support = true,
5879 		.ops = &mv88e6165_ops,
5880 	},
5881 
5882 	[MV88E6171] = {
5883 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6171,
5884 		.family = MV88E6XXX_FAMILY_6351,
5885 		.name = "Marvell 88E6171",
5886 		.num_databases = 4096,
5887 		.num_macs = 8192,
5888 		.num_ports = 7,
5889 		.num_internal_phys = 5,
5890 		.max_vid = 4095,
5891 		.max_sid = 63,
5892 		.port_base_addr = 0x10,
5893 		.phy_base_addr = 0x0,
5894 		.global1_addr = 0x1b,
5895 		.global2_addr = 0x1c,
5896 		.age_time_coeff = 15000,
5897 		.g1_irqs = 9,
5898 		.g2_irqs = 10,
5899 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
5900 		.atu_move_port_mask = 0xf,
5901 		.pvt = true,
5902 		.multi_chip = true,
5903 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5904 		.ops = &mv88e6171_ops,
5905 	},
5906 
5907 	[MV88E6172] = {
5908 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6172,
5909 		.family = MV88E6XXX_FAMILY_6352,
5910 		.name = "Marvell 88E6172",
5911 		.num_databases = 4096,
5912 		.num_macs = 8192,
5913 		.num_ports = 7,
5914 		.num_internal_phys = 5,
5915 		.num_gpio = 15,
5916 		.max_vid = 4095,
5917 		.max_sid = 63,
5918 		.port_base_addr = 0x10,
5919 		.phy_base_addr = 0x0,
5920 		.global1_addr = 0x1b,
5921 		.global2_addr = 0x1c,
5922 		.age_time_coeff = 15000,
5923 		.g1_irqs = 9,
5924 		.g2_irqs = 10,
5925 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5926 		.atu_move_port_mask = 0xf,
5927 		.pvt = true,
5928 		.multi_chip = true,
5929 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5930 		.ops = &mv88e6172_ops,
5931 	},
5932 
5933 	[MV88E6175] = {
5934 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6175,
5935 		.family = MV88E6XXX_FAMILY_6351,
5936 		.name = "Marvell 88E6175",
5937 		.num_databases = 4096,
5938 		.num_macs = 8192,
5939 		.num_ports = 7,
5940 		.num_internal_phys = 5,
5941 		.max_vid = 4095,
5942 		.max_sid = 63,
5943 		.port_base_addr = 0x10,
5944 		.phy_base_addr = 0x0,
5945 		.global1_addr = 0x1b,
5946 		.global2_addr = 0x1c,
5947 		.age_time_coeff = 15000,
5948 		.g1_irqs = 9,
5949 		.g2_irqs = 10,
5950 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5951 		.atu_move_port_mask = 0xf,
5952 		.pvt = true,
5953 		.multi_chip = true,
5954 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5955 		.ops = &mv88e6175_ops,
5956 	},
5957 
5958 	[MV88E6176] = {
5959 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6176,
5960 		.family = MV88E6XXX_FAMILY_6352,
5961 		.name = "Marvell 88E6176",
5962 		.num_databases = 4096,
5963 		.num_macs = 8192,
5964 		.num_ports = 7,
5965 		.num_internal_phys = 5,
5966 		.num_gpio = 15,
5967 		.max_vid = 4095,
5968 		.max_sid = 63,
5969 		.port_base_addr = 0x10,
5970 		.phy_base_addr = 0x0,
5971 		.global1_addr = 0x1b,
5972 		.global2_addr = 0x1c,
5973 		.age_time_coeff = 15000,
5974 		.g1_irqs = 9,
5975 		.g2_irqs = 10,
5976 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5977 		.atu_move_port_mask = 0xf,
5978 		.pvt = true,
5979 		.multi_chip = true,
5980 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5981 		.ops = &mv88e6176_ops,
5982 	},
5983 
5984 	[MV88E6185] = {
5985 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6185,
5986 		.family = MV88E6XXX_FAMILY_6185,
5987 		.name = "Marvell 88E6185",
5988 		.num_databases = 256,
5989 		.num_macs = 8192,
5990 		.num_ports = 10,
5991 		.num_internal_phys = 0,
5992 		.max_vid = 4095,
5993 		.port_base_addr = 0x10,
5994 		.phy_base_addr = 0x0,
5995 		.global1_addr = 0x1b,
5996 		.global2_addr = 0x1c,
5997 		.age_time_coeff = 15000,
5998 		.g1_irqs = 8,
5999 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
6000 		.atu_move_port_mask = 0xf,
6001 		.multi_chip = true,
6002 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6003 		.ops = &mv88e6185_ops,
6004 	},
6005 
6006 	[MV88E6190] = {
6007 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190,
6008 		.family = MV88E6XXX_FAMILY_6390,
6009 		.name = "Marvell 88E6190",
6010 		.num_databases = 4096,
6011 		.num_macs = 16384,
6012 		.num_ports = 11,	/* 10 + Z80 */
6013 		.num_internal_phys = 9,
6014 		.num_gpio = 16,
6015 		.max_vid = 8191,
6016 		.max_sid = 63,
6017 		.port_base_addr = 0x0,
6018 		.phy_base_addr = 0x0,
6019 		.global1_addr = 0x1b,
6020 		.global2_addr = 0x1c,
6021 		.age_time_coeff = 3750,
6022 		.g1_irqs = 9,
6023 		.g2_irqs = 14,
6024 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6025 		.pvt = true,
6026 		.multi_chip = true,
6027 		.atu_move_port_mask = 0x1f,
6028 		.ops = &mv88e6190_ops,
6029 	},
6030 
6031 	[MV88E6190X] = {
6032 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190X,
6033 		.family = MV88E6XXX_FAMILY_6390,
6034 		.name = "Marvell 88E6190X",
6035 		.num_databases = 4096,
6036 		.num_macs = 16384,
6037 		.num_ports = 11,	/* 10 + Z80 */
6038 		.num_internal_phys = 9,
6039 		.num_gpio = 16,
6040 		.max_vid = 8191,
6041 		.max_sid = 63,
6042 		.port_base_addr = 0x0,
6043 		.phy_base_addr = 0x0,
6044 		.global1_addr = 0x1b,
6045 		.global2_addr = 0x1c,
6046 		.age_time_coeff = 3750,
6047 		.g1_irqs = 9,
6048 		.g2_irqs = 14,
6049 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6050 		.atu_move_port_mask = 0x1f,
6051 		.pvt = true,
6052 		.multi_chip = true,
6053 		.ops = &mv88e6190x_ops,
6054 	},
6055 
6056 	[MV88E6191] = {
6057 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6191,
6058 		.family = MV88E6XXX_FAMILY_6390,
6059 		.name = "Marvell 88E6191",
6060 		.num_databases = 4096,
6061 		.num_macs = 16384,
6062 		.num_ports = 11,	/* 10 + Z80 */
6063 		.num_internal_phys = 9,
6064 		.max_vid = 8191,
6065 		.max_sid = 63,
6066 		.port_base_addr = 0x0,
6067 		.phy_base_addr = 0x0,
6068 		.global1_addr = 0x1b,
6069 		.global2_addr = 0x1c,
6070 		.age_time_coeff = 3750,
6071 		.g1_irqs = 9,
6072 		.g2_irqs = 14,
6073 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6074 		.atu_move_port_mask = 0x1f,
6075 		.pvt = true,
6076 		.multi_chip = true,
6077 		.ptp_support = true,
6078 		.ops = &mv88e6191_ops,
6079 	},
6080 
6081 	[MV88E6191X] = {
6082 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6191X,
6083 		.family = MV88E6XXX_FAMILY_6393,
6084 		.name = "Marvell 88E6191X",
6085 		.num_databases = 4096,
6086 		.num_ports = 11,	/* 10 + Z80 */
6087 		.num_internal_phys = 8,
6088 		.internal_phys_offset = 1,
6089 		.max_vid = 8191,
6090 		.max_sid = 63,
6091 		.port_base_addr = 0x0,
6092 		.phy_base_addr = 0x0,
6093 		.global1_addr = 0x1b,
6094 		.global2_addr = 0x1c,
6095 		.age_time_coeff = 3750,
6096 		.g1_irqs = 10,
6097 		.g2_irqs = 14,
6098 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6099 		.atu_move_port_mask = 0x1f,
6100 		.pvt = true,
6101 		.multi_chip = true,
6102 		.ptp_support = true,
6103 		.ops = &mv88e6393x_ops,
6104 	},
6105 
6106 	[MV88E6193X] = {
6107 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6193X,
6108 		.family = MV88E6XXX_FAMILY_6393,
6109 		.name = "Marvell 88E6193X",
6110 		.num_databases = 4096,
6111 		.num_ports = 11,	/* 10 + Z80 */
6112 		.num_internal_phys = 8,
6113 		.internal_phys_offset = 1,
6114 		.max_vid = 8191,
6115 		.max_sid = 63,
6116 		.port_base_addr = 0x0,
6117 		.phy_base_addr = 0x0,
6118 		.global1_addr = 0x1b,
6119 		.global2_addr = 0x1c,
6120 		.age_time_coeff = 3750,
6121 		.g1_irqs = 10,
6122 		.g2_irqs = 14,
6123 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6124 		.atu_move_port_mask = 0x1f,
6125 		.pvt = true,
6126 		.multi_chip = true,
6127 		.ptp_support = true,
6128 		.ops = &mv88e6393x_ops,
6129 	},
6130 
6131 	[MV88E6220] = {
6132 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6220,
6133 		.family = MV88E6XXX_FAMILY_6250,
6134 		.name = "Marvell 88E6220",
6135 		.num_databases = 64,
6136 
6137 		/* Ports 2-4 are not routed to pins
6138 		 * => usable ports 0, 1, 5, 6
6139 		 */
6140 		.num_ports = 7,
6141 		.num_internal_phys = 2,
6142 		.invalid_port_mask = BIT(2) | BIT(3) | BIT(4),
6143 		.max_vid = 4095,
6144 		.port_base_addr = 0x08,
6145 		.phy_base_addr = 0x00,
6146 		.global1_addr = 0x0f,
6147 		.global2_addr = 0x07,
6148 		.age_time_coeff = 15000,
6149 		.g1_irqs = 9,
6150 		.g2_irqs = 10,
6151 		.stats_type = STATS_TYPE_BANK0,
6152 		.atu_move_port_mask = 0xf,
6153 		.dual_chip = true,
6154 		.ptp_support = true,
6155 		.ops = &mv88e6250_ops,
6156 	},
6157 
6158 	[MV88E6240] = {
6159 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6240,
6160 		.family = MV88E6XXX_FAMILY_6352,
6161 		.name = "Marvell 88E6240",
6162 		.num_databases = 4096,
6163 		.num_macs = 8192,
6164 		.num_ports = 7,
6165 		.num_internal_phys = 5,
6166 		.num_gpio = 15,
6167 		.max_vid = 4095,
6168 		.max_sid = 63,
6169 		.port_base_addr = 0x10,
6170 		.phy_base_addr = 0x0,
6171 		.global1_addr = 0x1b,
6172 		.global2_addr = 0x1c,
6173 		.age_time_coeff = 15000,
6174 		.g1_irqs = 9,
6175 		.g2_irqs = 10,
6176 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
6177 		.atu_move_port_mask = 0xf,
6178 		.pvt = true,
6179 		.multi_chip = true,
6180 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6181 		.ptp_support = true,
6182 		.ops = &mv88e6240_ops,
6183 	},
6184 
6185 	[MV88E6250] = {
6186 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6250,
6187 		.family = MV88E6XXX_FAMILY_6250,
6188 		.name = "Marvell 88E6250",
6189 		.num_databases = 64,
6190 		.num_ports = 7,
6191 		.num_internal_phys = 5,
6192 		.max_vid = 4095,
6193 		.port_base_addr = 0x08,
6194 		.phy_base_addr = 0x00,
6195 		.global1_addr = 0x0f,
6196 		.global2_addr = 0x07,
6197 		.age_time_coeff = 15000,
6198 		.g1_irqs = 9,
6199 		.g2_irqs = 10,
6200 		.stats_type = STATS_TYPE_BANK0,
6201 		.atu_move_port_mask = 0xf,
6202 		.dual_chip = true,
6203 		.ptp_support = true,
6204 		.ops = &mv88e6250_ops,
6205 	},
6206 
6207 	[MV88E6290] = {
6208 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6290,
6209 		.family = MV88E6XXX_FAMILY_6390,
6210 		.name = "Marvell 88E6290",
6211 		.num_databases = 4096,
6212 		.num_ports = 11,	/* 10 + Z80 */
6213 		.num_internal_phys = 9,
6214 		.num_gpio = 16,
6215 		.max_vid = 8191,
6216 		.max_sid = 63,
6217 		.port_base_addr = 0x0,
6218 		.phy_base_addr = 0x0,
6219 		.global1_addr = 0x1b,
6220 		.global2_addr = 0x1c,
6221 		.age_time_coeff = 3750,
6222 		.g1_irqs = 9,
6223 		.g2_irqs = 14,
6224 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6225 		.atu_move_port_mask = 0x1f,
6226 		.pvt = true,
6227 		.multi_chip = true,
6228 		.ptp_support = true,
6229 		.ops = &mv88e6290_ops,
6230 	},
6231 
6232 	[MV88E6320] = {
6233 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6320,
6234 		.family = MV88E6XXX_FAMILY_6320,
6235 		.name = "Marvell 88E6320",
6236 		.num_databases = 4096,
6237 		.num_macs = 8192,
6238 		.num_ports = 7,
6239 		.num_internal_phys = 5,
6240 		.num_gpio = 15,
6241 		.max_vid = 4095,
6242 		.port_base_addr = 0x10,
6243 		.phy_base_addr = 0x0,
6244 		.global1_addr = 0x1b,
6245 		.global2_addr = 0x1c,
6246 		.age_time_coeff = 15000,
6247 		.g1_irqs = 8,
6248 		.g2_irqs = 10,
6249 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6250 		.atu_move_port_mask = 0xf,
6251 		.pvt = true,
6252 		.multi_chip = true,
6253 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6254 		.ptp_support = true,
6255 		.ops = &mv88e6320_ops,
6256 	},
6257 
6258 	[MV88E6321] = {
6259 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6321,
6260 		.family = MV88E6XXX_FAMILY_6320,
6261 		.name = "Marvell 88E6321",
6262 		.num_databases = 4096,
6263 		.num_macs = 8192,
6264 		.num_ports = 7,
6265 		.num_internal_phys = 5,
6266 		.num_gpio = 15,
6267 		.max_vid = 4095,
6268 		.port_base_addr = 0x10,
6269 		.phy_base_addr = 0x0,
6270 		.global1_addr = 0x1b,
6271 		.global2_addr = 0x1c,
6272 		.age_time_coeff = 15000,
6273 		.g1_irqs = 8,
6274 		.g2_irqs = 10,
6275 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6276 		.atu_move_port_mask = 0xf,
6277 		.multi_chip = true,
6278 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6279 		.ptp_support = true,
6280 		.ops = &mv88e6321_ops,
6281 	},
6282 
6283 	[MV88E6341] = {
6284 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6341,
6285 		.family = MV88E6XXX_FAMILY_6341,
6286 		.name = "Marvell 88E6341",
6287 		.num_databases = 256,
6288 		.num_macs = 2048,
6289 		.num_internal_phys = 5,
6290 		.num_ports = 6,
6291 		.num_gpio = 11,
6292 		.max_vid = 4095,
6293 		.max_sid = 63,
6294 		.port_base_addr = 0x10,
6295 		.phy_base_addr = 0x10,
6296 		.global1_addr = 0x1b,
6297 		.global2_addr = 0x1c,
6298 		.age_time_coeff = 3750,
6299 		.atu_move_port_mask = 0x1f,
6300 		.g1_irqs = 9,
6301 		.g2_irqs = 10,
6302 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6303 		.pvt = true,
6304 		.multi_chip = true,
6305 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6306 		.ptp_support = true,
6307 		.ops = &mv88e6341_ops,
6308 	},
6309 
6310 	[MV88E6350] = {
6311 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6350,
6312 		.family = MV88E6XXX_FAMILY_6351,
6313 		.name = "Marvell 88E6350",
6314 		.num_databases = 4096,
6315 		.num_macs = 8192,
6316 		.num_ports = 7,
6317 		.num_internal_phys = 5,
6318 		.max_vid = 4095,
6319 		.max_sid = 63,
6320 		.port_base_addr = 0x10,
6321 		.phy_base_addr = 0x0,
6322 		.global1_addr = 0x1b,
6323 		.global2_addr = 0x1c,
6324 		.age_time_coeff = 15000,
6325 		.g1_irqs = 9,
6326 		.g2_irqs = 10,
6327 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
6328 		.atu_move_port_mask = 0xf,
6329 		.pvt = true,
6330 		.multi_chip = true,
6331 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6332 		.ops = &mv88e6350_ops,
6333 	},
6334 
6335 	[MV88E6351] = {
6336 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6351,
6337 		.family = MV88E6XXX_FAMILY_6351,
6338 		.name = "Marvell 88E6351",
6339 		.num_databases = 4096,
6340 		.num_macs = 8192,
6341 		.num_ports = 7,
6342 		.num_internal_phys = 5,
6343 		.max_vid = 4095,
6344 		.max_sid = 63,
6345 		.port_base_addr = 0x10,
6346 		.phy_base_addr = 0x0,
6347 		.global1_addr = 0x1b,
6348 		.global2_addr = 0x1c,
6349 		.age_time_coeff = 15000,
6350 		.g1_irqs = 9,
6351 		.g2_irqs = 10,
6352 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
6353 		.atu_move_port_mask = 0xf,
6354 		.pvt = true,
6355 		.multi_chip = true,
6356 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6357 		.ops = &mv88e6351_ops,
6358 	},
6359 
6360 	[MV88E6352] = {
6361 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6352,
6362 		.family = MV88E6XXX_FAMILY_6352,
6363 		.name = "Marvell 88E6352",
6364 		.num_databases = 4096,
6365 		.num_macs = 8192,
6366 		.num_ports = 7,
6367 		.num_internal_phys = 5,
6368 		.num_gpio = 15,
6369 		.max_vid = 4095,
6370 		.max_sid = 63,
6371 		.port_base_addr = 0x10,
6372 		.phy_base_addr = 0x0,
6373 		.global1_addr = 0x1b,
6374 		.global2_addr = 0x1c,
6375 		.age_time_coeff = 15000,
6376 		.g1_irqs = 9,
6377 		.g2_irqs = 10,
6378 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
6379 		.atu_move_port_mask = 0xf,
6380 		.pvt = true,
6381 		.multi_chip = true,
6382 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6383 		.ptp_support = true,
6384 		.ops = &mv88e6352_ops,
6385 	},
6386 	[MV88E6361] = {
6387 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6361,
6388 		.family = MV88E6XXX_FAMILY_6393,
6389 		.name = "Marvell 88E6361",
6390 		.num_databases = 4096,
6391 		.num_macs = 16384,
6392 		.num_ports = 11,
6393 		/* Ports 1, 2 and 8 are not routed */
6394 		.invalid_port_mask = BIT(1) | BIT(2) | BIT(8),
6395 		.num_internal_phys = 5,
6396 		.internal_phys_offset = 3,
6397 		.max_vid = 8191,
6398 		.max_sid = 63,
6399 		.port_base_addr = 0x0,
6400 		.phy_base_addr = 0x0,
6401 		.global1_addr = 0x1b,
6402 		.global2_addr = 0x1c,
6403 		.age_time_coeff = 3750,
6404 		.g1_irqs = 10,
6405 		.g2_irqs = 14,
6406 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6407 		.atu_move_port_mask = 0x1f,
6408 		.pvt = true,
6409 		.multi_chip = true,
6410 		.ptp_support = true,
6411 		.ops = &mv88e6393x_ops,
6412 	},
6413 	[MV88E6390] = {
6414 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
6415 		.family = MV88E6XXX_FAMILY_6390,
6416 		.name = "Marvell 88E6390",
6417 		.num_databases = 4096,
6418 		.num_macs = 16384,
6419 		.num_ports = 11,	/* 10 + Z80 */
6420 		.num_internal_phys = 9,
6421 		.num_gpio = 16,
6422 		.max_vid = 8191,
6423 		.max_sid = 63,
6424 		.port_base_addr = 0x0,
6425 		.phy_base_addr = 0x0,
6426 		.global1_addr = 0x1b,
6427 		.global2_addr = 0x1c,
6428 		.age_time_coeff = 3750,
6429 		.g1_irqs = 9,
6430 		.g2_irqs = 14,
6431 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6432 		.atu_move_port_mask = 0x1f,
6433 		.pvt = true,
6434 		.multi_chip = true,
6435 		.edsa_support = MV88E6XXX_EDSA_UNDOCUMENTED,
6436 		.ptp_support = true,
6437 		.ops = &mv88e6390_ops,
6438 	},
6439 	[MV88E6390X] = {
6440 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390X,
6441 		.family = MV88E6XXX_FAMILY_6390,
6442 		.name = "Marvell 88E6390X",
6443 		.num_databases = 4096,
6444 		.num_macs = 16384,
6445 		.num_ports = 11,	/* 10 + Z80 */
6446 		.num_internal_phys = 9,
6447 		.num_gpio = 16,
6448 		.max_vid = 8191,
6449 		.max_sid = 63,
6450 		.port_base_addr = 0x0,
6451 		.phy_base_addr = 0x0,
6452 		.global1_addr = 0x1b,
6453 		.global2_addr = 0x1c,
6454 		.age_time_coeff = 3750,
6455 		.g1_irqs = 9,
6456 		.g2_irqs = 14,
6457 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6458 		.atu_move_port_mask = 0x1f,
6459 		.pvt = true,
6460 		.multi_chip = true,
6461 		.edsa_support = MV88E6XXX_EDSA_UNDOCUMENTED,
6462 		.ptp_support = true,
6463 		.ops = &mv88e6390x_ops,
6464 	},
6465 
6466 	[MV88E6393X] = {
6467 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6393X,
6468 		.family = MV88E6XXX_FAMILY_6393,
6469 		.name = "Marvell 88E6393X",
6470 		.num_databases = 4096,
6471 		.num_ports = 11,	/* 10 + Z80 */
6472 		.num_internal_phys = 8,
6473 		.internal_phys_offset = 1,
6474 		.max_vid = 8191,
6475 		.max_sid = 63,
6476 		.port_base_addr = 0x0,
6477 		.phy_base_addr = 0x0,
6478 		.global1_addr = 0x1b,
6479 		.global2_addr = 0x1c,
6480 		.age_time_coeff = 3750,
6481 		.g1_irqs = 10,
6482 		.g2_irqs = 14,
6483 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6484 		.atu_move_port_mask = 0x1f,
6485 		.pvt = true,
6486 		.multi_chip = true,
6487 		.ptp_support = true,
6488 		.ops = &mv88e6393x_ops,
6489 	},
6490 };
6491 
mv88e6xxx_lookup_info(unsigned int prod_num)6492 static const struct mv88e6xxx_info *mv88e6xxx_lookup_info(unsigned int prod_num)
6493 {
6494 	int i;
6495 
6496 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_table); ++i)
6497 		if (mv88e6xxx_table[i].prod_num == prod_num)
6498 			return &mv88e6xxx_table[i];
6499 
6500 	return NULL;
6501 }
6502 
mv88e6xxx_detect(struct mv88e6xxx_chip * chip)6503 static int mv88e6xxx_detect(struct mv88e6xxx_chip *chip)
6504 {
6505 	const struct mv88e6xxx_info *info;
6506 	unsigned int prod_num, rev;
6507 	u16 id;
6508 	int err;
6509 
6510 	mv88e6xxx_reg_lock(chip);
6511 	err = mv88e6xxx_port_read(chip, 0, MV88E6XXX_PORT_SWITCH_ID, &id);
6512 	mv88e6xxx_reg_unlock(chip);
6513 	if (err)
6514 		return err;
6515 
6516 	prod_num = id & MV88E6XXX_PORT_SWITCH_ID_PROD_MASK;
6517 	rev = id & MV88E6XXX_PORT_SWITCH_ID_REV_MASK;
6518 
6519 	info = mv88e6xxx_lookup_info(prod_num);
6520 	if (!info)
6521 		return -ENODEV;
6522 
6523 	/* Update the compatible info with the probed one */
6524 	chip->info = info;
6525 
6526 	dev_info(chip->dev, "switch 0x%x detected: %s, revision %u\n",
6527 		 chip->info->prod_num, chip->info->name, rev);
6528 
6529 	return 0;
6530 }
6531 
mv88e6xxx_single_chip_detect(struct mv88e6xxx_chip * chip,struct mdio_device * mdiodev)6532 static int mv88e6xxx_single_chip_detect(struct mv88e6xxx_chip *chip,
6533 					struct mdio_device *mdiodev)
6534 {
6535 	int err;
6536 
6537 	/* dual_chip takes precedence over single/multi-chip modes */
6538 	if (chip->info->dual_chip)
6539 		return -EINVAL;
6540 
6541 	/* If the mdio addr is 16 indicating the first port address of a switch
6542 	 * (e.g. mv88e6*41) in single chip addressing mode the device may be
6543 	 * configured in single chip addressing mode. Setup the smi access as
6544 	 * single chip addressing mode and attempt to detect the model of the
6545 	 * switch, if this fails the device is not configured in single chip
6546 	 * addressing mode.
6547 	 */
6548 	if (mdiodev->addr != 16)
6549 		return -EINVAL;
6550 
6551 	err = mv88e6xxx_smi_init(chip, mdiodev->bus, 0);
6552 	if (err)
6553 		return err;
6554 
6555 	return mv88e6xxx_detect(chip);
6556 }
6557 
mv88e6xxx_alloc_chip(struct device * dev)6558 static struct mv88e6xxx_chip *mv88e6xxx_alloc_chip(struct device *dev)
6559 {
6560 	struct mv88e6xxx_chip *chip;
6561 
6562 	chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
6563 	if (!chip)
6564 		return NULL;
6565 
6566 	chip->dev = dev;
6567 
6568 	mutex_init(&chip->reg_lock);
6569 	INIT_LIST_HEAD(&chip->mdios);
6570 	idr_init(&chip->policies);
6571 	INIT_LIST_HEAD(&chip->msts);
6572 
6573 	return chip;
6574 }
6575 
mv88e6xxx_get_tag_protocol(struct dsa_switch * ds,int port,enum dsa_tag_protocol m)6576 static enum dsa_tag_protocol mv88e6xxx_get_tag_protocol(struct dsa_switch *ds,
6577 							int port,
6578 							enum dsa_tag_protocol m)
6579 {
6580 	struct mv88e6xxx_chip *chip = ds->priv;
6581 
6582 	return chip->tag_protocol;
6583 }
6584 
mv88e6xxx_change_tag_protocol(struct dsa_switch * ds,enum dsa_tag_protocol proto)6585 static int mv88e6xxx_change_tag_protocol(struct dsa_switch *ds,
6586 					 enum dsa_tag_protocol proto)
6587 {
6588 	struct mv88e6xxx_chip *chip = ds->priv;
6589 	enum dsa_tag_protocol old_protocol;
6590 	struct dsa_port *cpu_dp;
6591 	int err;
6592 
6593 	switch (proto) {
6594 	case DSA_TAG_PROTO_EDSA:
6595 		switch (chip->info->edsa_support) {
6596 		case MV88E6XXX_EDSA_UNSUPPORTED:
6597 			return -EPROTONOSUPPORT;
6598 		case MV88E6XXX_EDSA_UNDOCUMENTED:
6599 			dev_warn(chip->dev, "Relying on undocumented EDSA tagging behavior\n");
6600 			fallthrough;
6601 		case MV88E6XXX_EDSA_SUPPORTED:
6602 			break;
6603 		}
6604 		break;
6605 	case DSA_TAG_PROTO_DSA:
6606 		break;
6607 	default:
6608 		return -EPROTONOSUPPORT;
6609 	}
6610 
6611 	old_protocol = chip->tag_protocol;
6612 	chip->tag_protocol = proto;
6613 
6614 	mv88e6xxx_reg_lock(chip);
6615 	dsa_switch_for_each_cpu_port(cpu_dp, ds) {
6616 		err = mv88e6xxx_setup_port_mode(chip, cpu_dp->index);
6617 		if (err) {
6618 			mv88e6xxx_reg_unlock(chip);
6619 			goto unwind;
6620 		}
6621 	}
6622 	mv88e6xxx_reg_unlock(chip);
6623 
6624 	return 0;
6625 
6626 unwind:
6627 	chip->tag_protocol = old_protocol;
6628 
6629 	mv88e6xxx_reg_lock(chip);
6630 	dsa_switch_for_each_cpu_port_continue_reverse(cpu_dp, ds)
6631 		mv88e6xxx_setup_port_mode(chip, cpu_dp->index);
6632 	mv88e6xxx_reg_unlock(chip);
6633 
6634 	return err;
6635 }
6636 
mv88e6xxx_port_mdb_add(struct dsa_switch * ds,int port,const struct switchdev_obj_port_mdb * mdb,struct dsa_db db)6637 static int mv88e6xxx_port_mdb_add(struct dsa_switch *ds, int port,
6638 				  const struct switchdev_obj_port_mdb *mdb,
6639 				  struct dsa_db db)
6640 {
6641 	struct mv88e6xxx_chip *chip = ds->priv;
6642 	int err;
6643 
6644 	mv88e6xxx_reg_lock(chip);
6645 	err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid,
6646 					   MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC);
6647 	if (err)
6648 		goto out;
6649 
6650 	if (!mv88e6xxx_port_db_find(chip, mdb->addr, mdb->vid))
6651 		err = -ENOSPC;
6652 
6653 out:
6654 	mv88e6xxx_reg_unlock(chip);
6655 
6656 	return err;
6657 }
6658 
mv88e6xxx_port_mdb_del(struct dsa_switch * ds,int port,const struct switchdev_obj_port_mdb * mdb,struct dsa_db db)6659 static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, int port,
6660 				  const struct switchdev_obj_port_mdb *mdb,
6661 				  struct dsa_db db)
6662 {
6663 	struct mv88e6xxx_chip *chip = ds->priv;
6664 	int err;
6665 
6666 	mv88e6xxx_reg_lock(chip);
6667 	err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid, 0);
6668 	mv88e6xxx_reg_unlock(chip);
6669 
6670 	return err;
6671 }
6672 
mv88e6xxx_port_mirror_add(struct dsa_switch * ds,int port,struct dsa_mall_mirror_tc_entry * mirror,bool ingress,struct netlink_ext_ack * extack)6673 static int mv88e6xxx_port_mirror_add(struct dsa_switch *ds, int port,
6674 				     struct dsa_mall_mirror_tc_entry *mirror,
6675 				     bool ingress,
6676 				     struct netlink_ext_ack *extack)
6677 {
6678 	enum mv88e6xxx_egress_direction direction = ingress ?
6679 						MV88E6XXX_EGRESS_DIR_INGRESS :
6680 						MV88E6XXX_EGRESS_DIR_EGRESS;
6681 	struct mv88e6xxx_chip *chip = ds->priv;
6682 	bool other_mirrors = false;
6683 	int i;
6684 	int err;
6685 
6686 	mutex_lock(&chip->reg_lock);
6687 	if ((ingress ? chip->ingress_dest_port : chip->egress_dest_port) !=
6688 	    mirror->to_local_port) {
6689 		for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
6690 			other_mirrors |= ingress ?
6691 					 chip->ports[i].mirror_ingress :
6692 					 chip->ports[i].mirror_egress;
6693 
6694 		/* Can't change egress port when other mirror is active */
6695 		if (other_mirrors) {
6696 			err = -EBUSY;
6697 			goto out;
6698 		}
6699 
6700 		err = mv88e6xxx_set_egress_port(chip, direction,
6701 						mirror->to_local_port);
6702 		if (err)
6703 			goto out;
6704 	}
6705 
6706 	err = mv88e6xxx_port_set_mirror(chip, port, direction, true);
6707 out:
6708 	mutex_unlock(&chip->reg_lock);
6709 
6710 	return err;
6711 }
6712 
mv88e6xxx_port_mirror_del(struct dsa_switch * ds,int port,struct dsa_mall_mirror_tc_entry * mirror)6713 static void mv88e6xxx_port_mirror_del(struct dsa_switch *ds, int port,
6714 				      struct dsa_mall_mirror_tc_entry *mirror)
6715 {
6716 	enum mv88e6xxx_egress_direction direction = mirror->ingress ?
6717 						MV88E6XXX_EGRESS_DIR_INGRESS :
6718 						MV88E6XXX_EGRESS_DIR_EGRESS;
6719 	struct mv88e6xxx_chip *chip = ds->priv;
6720 	bool other_mirrors = false;
6721 	int i;
6722 
6723 	mutex_lock(&chip->reg_lock);
6724 	if (mv88e6xxx_port_set_mirror(chip, port, direction, false))
6725 		dev_err(ds->dev, "p%d: failed to disable mirroring\n", port);
6726 
6727 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
6728 		other_mirrors |= mirror->ingress ?
6729 				 chip->ports[i].mirror_ingress :
6730 				 chip->ports[i].mirror_egress;
6731 
6732 	/* Reset egress port when no other mirror is active */
6733 	if (!other_mirrors) {
6734 		if (mv88e6xxx_set_egress_port(chip, direction,
6735 					      dsa_upstream_port(ds, port)))
6736 			dev_err(ds->dev, "failed to set egress port\n");
6737 	}
6738 
6739 	mutex_unlock(&chip->reg_lock);
6740 }
6741 
mv88e6xxx_port_pre_bridge_flags(struct dsa_switch * ds,int port,struct switchdev_brport_flags flags,struct netlink_ext_ack * extack)6742 static int mv88e6xxx_port_pre_bridge_flags(struct dsa_switch *ds, int port,
6743 					   struct switchdev_brport_flags flags,
6744 					   struct netlink_ext_ack *extack)
6745 {
6746 	struct mv88e6xxx_chip *chip = ds->priv;
6747 	const struct mv88e6xxx_ops *ops;
6748 
6749 	if (flags.mask & ~(BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD |
6750 			   BR_BCAST_FLOOD | BR_PORT_LOCKED | BR_PORT_MAB))
6751 		return -EINVAL;
6752 
6753 	ops = chip->info->ops;
6754 
6755 	if ((flags.mask & BR_FLOOD) && !ops->port_set_ucast_flood)
6756 		return -EINVAL;
6757 
6758 	if ((flags.mask & BR_MCAST_FLOOD) && !ops->port_set_mcast_flood)
6759 		return -EINVAL;
6760 
6761 	return 0;
6762 }
6763 
mv88e6xxx_port_bridge_flags(struct dsa_switch * ds,int port,struct switchdev_brport_flags flags,struct netlink_ext_ack * extack)6764 static int mv88e6xxx_port_bridge_flags(struct dsa_switch *ds, int port,
6765 				       struct switchdev_brport_flags flags,
6766 				       struct netlink_ext_ack *extack)
6767 {
6768 	struct mv88e6xxx_chip *chip = ds->priv;
6769 	int err = 0;
6770 
6771 	mv88e6xxx_reg_lock(chip);
6772 
6773 	if (flags.mask & BR_LEARNING) {
6774 		bool learning = !!(flags.val & BR_LEARNING);
6775 		u16 pav = learning ? (1 << port) : 0;
6776 
6777 		err = mv88e6xxx_port_set_assoc_vector(chip, port, pav);
6778 		if (err)
6779 			goto out;
6780 	}
6781 
6782 	if (flags.mask & BR_FLOOD) {
6783 		bool unicast = !!(flags.val & BR_FLOOD);
6784 
6785 		err = chip->info->ops->port_set_ucast_flood(chip, port,
6786 							    unicast);
6787 		if (err)
6788 			goto out;
6789 	}
6790 
6791 	if (flags.mask & BR_MCAST_FLOOD) {
6792 		bool multicast = !!(flags.val & BR_MCAST_FLOOD);
6793 
6794 		err = chip->info->ops->port_set_mcast_flood(chip, port,
6795 							    multicast);
6796 		if (err)
6797 			goto out;
6798 	}
6799 
6800 	if (flags.mask & BR_BCAST_FLOOD) {
6801 		bool broadcast = !!(flags.val & BR_BCAST_FLOOD);
6802 
6803 		err = mv88e6xxx_port_broadcast_sync(chip, port, broadcast);
6804 		if (err)
6805 			goto out;
6806 	}
6807 
6808 	if (flags.mask & BR_PORT_MAB) {
6809 		bool mab = !!(flags.val & BR_PORT_MAB);
6810 
6811 		mv88e6xxx_port_set_mab(chip, port, mab);
6812 	}
6813 
6814 	if (flags.mask & BR_PORT_LOCKED) {
6815 		bool locked = !!(flags.val & BR_PORT_LOCKED);
6816 
6817 		err = mv88e6xxx_port_set_lock(chip, port, locked);
6818 		if (err)
6819 			goto out;
6820 	}
6821 out:
6822 	mv88e6xxx_reg_unlock(chip);
6823 
6824 	return err;
6825 }
6826 
mv88e6xxx_lag_can_offload(struct dsa_switch * ds,struct dsa_lag lag,struct netdev_lag_upper_info * info,struct netlink_ext_ack * extack)6827 static bool mv88e6xxx_lag_can_offload(struct dsa_switch *ds,
6828 				      struct dsa_lag lag,
6829 				      struct netdev_lag_upper_info *info,
6830 				      struct netlink_ext_ack *extack)
6831 {
6832 	struct mv88e6xxx_chip *chip = ds->priv;
6833 	struct dsa_port *dp;
6834 	int members = 0;
6835 
6836 	if (!mv88e6xxx_has_lag(chip)) {
6837 		NL_SET_ERR_MSG_MOD(extack, "Chip does not support LAG offload");
6838 		return false;
6839 	}
6840 
6841 	if (!lag.id)
6842 		return false;
6843 
6844 	dsa_lag_foreach_port(dp, ds->dst, &lag)
6845 		/* Includes the port joining the LAG */
6846 		members++;
6847 
6848 	if (members > 8) {
6849 		NL_SET_ERR_MSG_MOD(extack,
6850 				   "Cannot offload more than 8 LAG ports");
6851 		return false;
6852 	}
6853 
6854 	/* We could potentially relax this to include active
6855 	 * backup in the future.
6856 	 */
6857 	if (info->tx_type != NETDEV_LAG_TX_TYPE_HASH) {
6858 		NL_SET_ERR_MSG_MOD(extack,
6859 				   "Can only offload LAG using hash TX type");
6860 		return false;
6861 	}
6862 
6863 	/* Ideally we would also validate that the hash type matches
6864 	 * the hardware. Alas, this is always set to unknown on team
6865 	 * interfaces.
6866 	 */
6867 	return true;
6868 }
6869 
mv88e6xxx_lag_sync_map(struct dsa_switch * ds,struct dsa_lag lag)6870 static int mv88e6xxx_lag_sync_map(struct dsa_switch *ds, struct dsa_lag lag)
6871 {
6872 	struct mv88e6xxx_chip *chip = ds->priv;
6873 	struct dsa_port *dp;
6874 	u16 map = 0;
6875 	int id;
6876 
6877 	/* DSA LAG IDs are one-based, hardware is zero-based */
6878 	id = lag.id - 1;
6879 
6880 	/* Build the map of all ports to distribute flows destined for
6881 	 * this LAG. This can be either a local user port, or a DSA
6882 	 * port if the LAG port is on a remote chip.
6883 	 */
6884 	dsa_lag_foreach_port(dp, ds->dst, &lag)
6885 		map |= BIT(dsa_towards_port(ds, dp->ds->index, dp->index));
6886 
6887 	return mv88e6xxx_g2_trunk_mapping_write(chip, id, map);
6888 }
6889 
6890 static const u8 mv88e6xxx_lag_mask_table[8][8] = {
6891 	/* Row number corresponds to the number of active members in a
6892 	 * LAG. Each column states which of the eight hash buckets are
6893 	 * mapped to the column:th port in the LAG.
6894 	 *
6895 	 * Example: In a LAG with three active ports, the second port
6896 	 * ([2][1]) would be selected for traffic mapped to buckets
6897 	 * 3,4,5 (0x38).
6898 	 */
6899 	{ 0xff,    0,    0,    0,    0,    0,    0,    0 },
6900 	{ 0x0f, 0xf0,    0,    0,    0,    0,    0,    0 },
6901 	{ 0x07, 0x38, 0xc0,    0,    0,    0,    0,    0 },
6902 	{ 0x03, 0x0c, 0x30, 0xc0,    0,    0,    0,    0 },
6903 	{ 0x03, 0x0c, 0x30, 0x40, 0x80,    0,    0,    0 },
6904 	{ 0x03, 0x0c, 0x10, 0x20, 0x40, 0x80,    0,    0 },
6905 	{ 0x03, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,    0 },
6906 	{ 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 },
6907 };
6908 
mv88e6xxx_lag_set_port_mask(u16 * mask,int port,int num_tx,int nth)6909 static void mv88e6xxx_lag_set_port_mask(u16 *mask, int port,
6910 					int num_tx, int nth)
6911 {
6912 	u8 active = 0;
6913 	int i;
6914 
6915 	num_tx = num_tx <= 8 ? num_tx : 8;
6916 	if (nth < num_tx)
6917 		active = mv88e6xxx_lag_mask_table[num_tx - 1][nth];
6918 
6919 	for (i = 0; i < 8; i++) {
6920 		if (BIT(i) & active)
6921 			mask[i] |= BIT(port);
6922 	}
6923 }
6924 
mv88e6xxx_lag_sync_masks(struct dsa_switch * ds)6925 static int mv88e6xxx_lag_sync_masks(struct dsa_switch *ds)
6926 {
6927 	struct mv88e6xxx_chip *chip = ds->priv;
6928 	unsigned int id, num_tx;
6929 	struct dsa_port *dp;
6930 	struct dsa_lag *lag;
6931 	int i, err, nth;
6932 	u16 mask[8];
6933 	u16 ivec;
6934 
6935 	/* Assume no port is a member of any LAG. */
6936 	ivec = BIT(mv88e6xxx_num_ports(chip)) - 1;
6937 
6938 	/* Disable all masks for ports that _are_ members of a LAG. */
6939 	dsa_switch_for_each_port(dp, ds) {
6940 		if (!dp->lag)
6941 			continue;
6942 
6943 		ivec &= ~BIT(dp->index);
6944 	}
6945 
6946 	for (i = 0; i < 8; i++)
6947 		mask[i] = ivec;
6948 
6949 	/* Enable the correct subset of masks for all LAG ports that
6950 	 * are in the Tx set.
6951 	 */
6952 	dsa_lags_foreach_id(id, ds->dst) {
6953 		lag = dsa_lag_by_id(ds->dst, id);
6954 		if (!lag)
6955 			continue;
6956 
6957 		num_tx = 0;
6958 		dsa_lag_foreach_port(dp, ds->dst, lag) {
6959 			if (dp->lag_tx_enabled)
6960 				num_tx++;
6961 		}
6962 
6963 		if (!num_tx)
6964 			continue;
6965 
6966 		nth = 0;
6967 		dsa_lag_foreach_port(dp, ds->dst, lag) {
6968 			if (!dp->lag_tx_enabled)
6969 				continue;
6970 
6971 			if (dp->ds == ds)
6972 				mv88e6xxx_lag_set_port_mask(mask, dp->index,
6973 							    num_tx, nth);
6974 
6975 			nth++;
6976 		}
6977 	}
6978 
6979 	for (i = 0; i < 8; i++) {
6980 		err = mv88e6xxx_g2_trunk_mask_write(chip, i, true, mask[i]);
6981 		if (err)
6982 			return err;
6983 	}
6984 
6985 	return 0;
6986 }
6987 
mv88e6xxx_lag_sync_masks_map(struct dsa_switch * ds,struct dsa_lag lag)6988 static int mv88e6xxx_lag_sync_masks_map(struct dsa_switch *ds,
6989 					struct dsa_lag lag)
6990 {
6991 	int err;
6992 
6993 	err = mv88e6xxx_lag_sync_masks(ds);
6994 
6995 	if (!err)
6996 		err = mv88e6xxx_lag_sync_map(ds, lag);
6997 
6998 	return err;
6999 }
7000 
mv88e6xxx_port_lag_change(struct dsa_switch * ds,int port)7001 static int mv88e6xxx_port_lag_change(struct dsa_switch *ds, int port)
7002 {
7003 	struct mv88e6xxx_chip *chip = ds->priv;
7004 	int err;
7005 
7006 	mv88e6xxx_reg_lock(chip);
7007 	err = mv88e6xxx_lag_sync_masks(ds);
7008 	mv88e6xxx_reg_unlock(chip);
7009 	return err;
7010 }
7011 
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)7012 static int mv88e6xxx_port_lag_join(struct dsa_switch *ds, int port,
7013 				   struct dsa_lag lag,
7014 				   struct netdev_lag_upper_info *info,
7015 				   struct netlink_ext_ack *extack)
7016 {
7017 	struct mv88e6xxx_chip *chip = ds->priv;
7018 	int err, id;
7019 
7020 	if (!mv88e6xxx_lag_can_offload(ds, lag, info, extack))
7021 		return -EOPNOTSUPP;
7022 
7023 	/* DSA LAG IDs are one-based */
7024 	id = lag.id - 1;
7025 
7026 	mv88e6xxx_reg_lock(chip);
7027 
7028 	err = mv88e6xxx_port_set_trunk(chip, port, true, id);
7029 	if (err)
7030 		goto err_unlock;
7031 
7032 	err = mv88e6xxx_lag_sync_masks_map(ds, lag);
7033 	if (err)
7034 		goto err_clear_trunk;
7035 
7036 	mv88e6xxx_reg_unlock(chip);
7037 	return 0;
7038 
7039 err_clear_trunk:
7040 	mv88e6xxx_port_set_trunk(chip, port, false, 0);
7041 err_unlock:
7042 	mv88e6xxx_reg_unlock(chip);
7043 	return err;
7044 }
7045 
mv88e6xxx_port_lag_leave(struct dsa_switch * ds,int port,struct dsa_lag lag)7046 static int mv88e6xxx_port_lag_leave(struct dsa_switch *ds, int port,
7047 				    struct dsa_lag lag)
7048 {
7049 	struct mv88e6xxx_chip *chip = ds->priv;
7050 	int err_sync, err_trunk;
7051 
7052 	mv88e6xxx_reg_lock(chip);
7053 	err_sync = mv88e6xxx_lag_sync_masks_map(ds, lag);
7054 	err_trunk = mv88e6xxx_port_set_trunk(chip, port, false, 0);
7055 	mv88e6xxx_reg_unlock(chip);
7056 	return err_sync ? : err_trunk;
7057 }
7058 
mv88e6xxx_crosschip_lag_change(struct dsa_switch * ds,int sw_index,int port)7059 static int mv88e6xxx_crosschip_lag_change(struct dsa_switch *ds, int sw_index,
7060 					  int port)
7061 {
7062 	struct mv88e6xxx_chip *chip = ds->priv;
7063 	int err;
7064 
7065 	mv88e6xxx_reg_lock(chip);
7066 	err = mv88e6xxx_lag_sync_masks(ds);
7067 	mv88e6xxx_reg_unlock(chip);
7068 	return err;
7069 }
7070 
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)7071 static int mv88e6xxx_crosschip_lag_join(struct dsa_switch *ds, int sw_index,
7072 					int port, struct dsa_lag lag,
7073 					struct netdev_lag_upper_info *info,
7074 					struct netlink_ext_ack *extack)
7075 {
7076 	struct mv88e6xxx_chip *chip = ds->priv;
7077 	int err;
7078 
7079 	if (!mv88e6xxx_lag_can_offload(ds, lag, info, extack))
7080 		return -EOPNOTSUPP;
7081 
7082 	mv88e6xxx_reg_lock(chip);
7083 
7084 	err = mv88e6xxx_lag_sync_masks_map(ds, lag);
7085 	if (err)
7086 		goto unlock;
7087 
7088 	err = mv88e6xxx_pvt_map(chip, sw_index, port);
7089 
7090 unlock:
7091 	mv88e6xxx_reg_unlock(chip);
7092 	return err;
7093 }
7094 
mv88e6xxx_crosschip_lag_leave(struct dsa_switch * ds,int sw_index,int port,struct dsa_lag lag)7095 static int mv88e6xxx_crosschip_lag_leave(struct dsa_switch *ds, int sw_index,
7096 					 int port, struct dsa_lag lag)
7097 {
7098 	struct mv88e6xxx_chip *chip = ds->priv;
7099 	int err_sync, err_pvt;
7100 
7101 	mv88e6xxx_reg_lock(chip);
7102 	err_sync = mv88e6xxx_lag_sync_masks_map(ds, lag);
7103 	err_pvt = mv88e6xxx_pvt_map(chip, sw_index, port);
7104 	mv88e6xxx_reg_unlock(chip);
7105 	return err_sync ? : err_pvt;
7106 }
7107 
7108 static const struct phylink_mac_ops mv88e6xxx_phylink_mac_ops = {
7109 	.mac_select_pcs		= mv88e6xxx_mac_select_pcs,
7110 	.mac_prepare		= mv88e6xxx_mac_prepare,
7111 	.mac_config		= mv88e6xxx_mac_config,
7112 	.mac_finish		= mv88e6xxx_mac_finish,
7113 	.mac_link_down		= mv88e6xxx_mac_link_down,
7114 	.mac_link_up		= mv88e6xxx_mac_link_up,
7115 };
7116 
7117 static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
7118 	.get_tag_protocol	= mv88e6xxx_get_tag_protocol,
7119 	.change_tag_protocol	= mv88e6xxx_change_tag_protocol,
7120 	.setup			= mv88e6xxx_setup,
7121 	.teardown		= mv88e6xxx_teardown,
7122 	.port_setup		= mv88e6xxx_port_setup,
7123 	.port_teardown		= mv88e6xxx_port_teardown,
7124 	.phylink_get_caps	= mv88e6xxx_get_caps,
7125 	.get_strings		= mv88e6xxx_get_strings,
7126 	.get_ethtool_stats	= mv88e6xxx_get_ethtool_stats,
7127 	.get_eth_mac_stats	= mv88e6xxx_get_eth_mac_stats,
7128 	.get_rmon_stats		= mv88e6xxx_get_rmon_stats,
7129 	.get_sset_count		= mv88e6xxx_get_sset_count,
7130 	.port_max_mtu		= mv88e6xxx_get_max_mtu,
7131 	.port_change_mtu	= mv88e6xxx_change_mtu,
7132 	.support_eee		= dsa_supports_eee,
7133 	.set_mac_eee		= mv88e6xxx_set_mac_eee,
7134 	.get_eeprom_len		= mv88e6xxx_get_eeprom_len,
7135 	.get_eeprom		= mv88e6xxx_get_eeprom,
7136 	.set_eeprom		= mv88e6xxx_set_eeprom,
7137 	.get_regs_len		= mv88e6xxx_get_regs_len,
7138 	.get_regs		= mv88e6xxx_get_regs,
7139 	.get_rxnfc		= mv88e6xxx_get_rxnfc,
7140 	.set_rxnfc		= mv88e6xxx_set_rxnfc,
7141 	.set_ageing_time	= mv88e6xxx_set_ageing_time,
7142 	.port_bridge_join	= mv88e6xxx_port_bridge_join,
7143 	.port_bridge_leave	= mv88e6xxx_port_bridge_leave,
7144 	.port_pre_bridge_flags	= mv88e6xxx_port_pre_bridge_flags,
7145 	.port_bridge_flags	= mv88e6xxx_port_bridge_flags,
7146 	.port_stp_state_set	= mv88e6xxx_port_stp_state_set,
7147 	.port_mst_state_set	= mv88e6xxx_port_mst_state_set,
7148 	.port_fast_age		= mv88e6xxx_port_fast_age,
7149 	.port_vlan_fast_age	= mv88e6xxx_port_vlan_fast_age,
7150 	.port_vlan_filtering	= mv88e6xxx_port_vlan_filtering,
7151 	.port_vlan_add		= mv88e6xxx_port_vlan_add,
7152 	.port_vlan_del		= mv88e6xxx_port_vlan_del,
7153 	.vlan_msti_set		= mv88e6xxx_vlan_msti_set,
7154 	.port_fdb_add		= mv88e6xxx_port_fdb_add,
7155 	.port_fdb_del		= mv88e6xxx_port_fdb_del,
7156 	.port_fdb_dump		= mv88e6xxx_port_fdb_dump,
7157 	.port_mdb_add		= mv88e6xxx_port_mdb_add,
7158 	.port_mdb_del		= mv88e6xxx_port_mdb_del,
7159 	.port_mirror_add	= mv88e6xxx_port_mirror_add,
7160 	.port_mirror_del	= mv88e6xxx_port_mirror_del,
7161 	.crosschip_bridge_join	= mv88e6xxx_crosschip_bridge_join,
7162 	.crosschip_bridge_leave	= mv88e6xxx_crosschip_bridge_leave,
7163 	.port_hwtstamp_set	= mv88e6xxx_port_hwtstamp_set,
7164 	.port_hwtstamp_get	= mv88e6xxx_port_hwtstamp_get,
7165 	.port_txtstamp		= mv88e6xxx_port_txtstamp,
7166 	.port_rxtstamp		= mv88e6xxx_port_rxtstamp,
7167 	.get_ts_info		= mv88e6xxx_get_ts_info,
7168 	.devlink_param_get	= mv88e6xxx_devlink_param_get,
7169 	.devlink_param_set	= mv88e6xxx_devlink_param_set,
7170 	.devlink_info_get	= mv88e6xxx_devlink_info_get,
7171 	.port_lag_change	= mv88e6xxx_port_lag_change,
7172 	.port_lag_join		= mv88e6xxx_port_lag_join,
7173 	.port_lag_leave		= mv88e6xxx_port_lag_leave,
7174 	.crosschip_lag_change	= mv88e6xxx_crosschip_lag_change,
7175 	.crosschip_lag_join	= mv88e6xxx_crosschip_lag_join,
7176 	.crosschip_lag_leave	= mv88e6xxx_crosschip_lag_leave,
7177 };
7178 
mv88e6xxx_register_switch(struct mv88e6xxx_chip * chip)7179 static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip)
7180 {
7181 	struct device *dev = chip->dev;
7182 	struct dsa_switch *ds;
7183 
7184 	ds = devm_kzalloc(dev, sizeof(*ds), GFP_KERNEL);
7185 	if (!ds)
7186 		return -ENOMEM;
7187 
7188 	ds->dev = dev;
7189 	ds->num_ports = mv88e6xxx_num_ports(chip);
7190 	ds->priv = chip;
7191 	ds->dev = dev;
7192 	ds->ops = &mv88e6xxx_switch_ops;
7193 	ds->phylink_mac_ops = &mv88e6xxx_phylink_mac_ops;
7194 	ds->ageing_time_min = chip->info->age_time_coeff;
7195 	ds->ageing_time_max = chip->info->age_time_coeff * U8_MAX;
7196 
7197 	/* Some chips support up to 32, but that requires enabling the
7198 	 * 5-bit port mode, which we do not support. 640k^W16 ought to
7199 	 * be enough for anyone.
7200 	 */
7201 	ds->num_lag_ids = mv88e6xxx_has_lag(chip) ? 16 : 0;
7202 
7203 	dev_set_drvdata(dev, ds);
7204 
7205 	return dsa_register_switch(ds);
7206 }
7207 
mv88e6xxx_unregister_switch(struct mv88e6xxx_chip * chip)7208 static void mv88e6xxx_unregister_switch(struct mv88e6xxx_chip *chip)
7209 {
7210 	dsa_unregister_switch(chip->ds);
7211 }
7212 
pdata_device_get_match_data(struct device * dev)7213 static const void *pdata_device_get_match_data(struct device *dev)
7214 {
7215 	const struct of_device_id *matches = dev->driver->of_match_table;
7216 	const struct dsa_mv88e6xxx_pdata *pdata = dev->platform_data;
7217 
7218 	for (; matches->name[0] || matches->type[0] || matches->compatible[0];
7219 	     matches++) {
7220 		if (!strcmp(pdata->compatible, matches->compatible))
7221 			return matches->data;
7222 	}
7223 	return NULL;
7224 }
7225 
7226 /* There is no suspend to RAM support at DSA level yet, the switch configuration
7227  * would be lost after a power cycle so prevent it to be suspended.
7228  */
mv88e6xxx_suspend(struct device * dev)7229 static int __maybe_unused mv88e6xxx_suspend(struct device *dev)
7230 {
7231 	return -EOPNOTSUPP;
7232 }
7233 
mv88e6xxx_resume(struct device * dev)7234 static int __maybe_unused mv88e6xxx_resume(struct device *dev)
7235 {
7236 	return 0;
7237 }
7238 
7239 static SIMPLE_DEV_PM_OPS(mv88e6xxx_pm_ops, mv88e6xxx_suspend, mv88e6xxx_resume);
7240 
mv88e6xxx_probe(struct mdio_device * mdiodev)7241 static int mv88e6xxx_probe(struct mdio_device *mdiodev)
7242 {
7243 	struct dsa_mv88e6xxx_pdata *pdata = mdiodev->dev.platform_data;
7244 	const struct mv88e6xxx_info *compat_info = NULL;
7245 	struct device *dev = &mdiodev->dev;
7246 	struct device_node *np = dev->of_node;
7247 	struct mv88e6xxx_chip *chip;
7248 	int port;
7249 	int err;
7250 
7251 	if (!np && !pdata)
7252 		return -EINVAL;
7253 
7254 	if (np)
7255 		compat_info = of_device_get_match_data(dev);
7256 
7257 	if (pdata) {
7258 		compat_info = pdata_device_get_match_data(dev);
7259 
7260 		if (!pdata->netdev)
7261 			return -EINVAL;
7262 
7263 		for (port = 0; port < DSA_MAX_PORTS; port++) {
7264 			if (!(pdata->enabled_ports & (1 << port)))
7265 				continue;
7266 			if (strcmp(pdata->cd.port_names[port], "cpu"))
7267 				continue;
7268 			pdata->cd.netdev[port] = &pdata->netdev->dev;
7269 			break;
7270 		}
7271 	}
7272 
7273 	if (!compat_info)
7274 		return -EINVAL;
7275 
7276 	chip = mv88e6xxx_alloc_chip(dev);
7277 	if (!chip) {
7278 		err = -ENOMEM;
7279 		goto out;
7280 	}
7281 
7282 	chip->info = compat_info;
7283 
7284 	chip->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
7285 	if (IS_ERR(chip->reset)) {
7286 		err = PTR_ERR(chip->reset);
7287 		goto out;
7288 	}
7289 	if (chip->reset)
7290 		usleep_range(10000, 20000);
7291 
7292 	/* Detect if the device is configured in single chip addressing mode,
7293 	 * otherwise continue with address specific smi init/detection.
7294 	 */
7295 	err = mv88e6xxx_single_chip_detect(chip, mdiodev);
7296 	if (err) {
7297 		err = mv88e6xxx_smi_init(chip, mdiodev->bus, mdiodev->addr);
7298 		if (err)
7299 			goto out;
7300 
7301 		err = mv88e6xxx_detect(chip);
7302 		if (err)
7303 			goto out;
7304 	}
7305 
7306 	if (chip->info->edsa_support == MV88E6XXX_EDSA_SUPPORTED)
7307 		chip->tag_protocol = DSA_TAG_PROTO_EDSA;
7308 	else
7309 		chip->tag_protocol = DSA_TAG_PROTO_DSA;
7310 
7311 	mv88e6xxx_phy_init(chip);
7312 
7313 	if (chip->info->ops->get_eeprom) {
7314 		if (np)
7315 			of_property_read_u32(np, "eeprom-length",
7316 					     &chip->eeprom_len);
7317 		else
7318 			chip->eeprom_len = pdata->eeprom_len;
7319 	}
7320 
7321 	mv88e6xxx_reg_lock(chip);
7322 	err = mv88e6xxx_switch_reset(chip);
7323 	mv88e6xxx_reg_unlock(chip);
7324 	if (err)
7325 		goto out;
7326 
7327 	if (np) {
7328 		chip->irq = of_irq_get(np, 0);
7329 		if (chip->irq == -EPROBE_DEFER) {
7330 			err = chip->irq;
7331 			goto out;
7332 		}
7333 	}
7334 
7335 	if (pdata)
7336 		chip->irq = pdata->irq;
7337 
7338 	/* Has to be performed before the MDIO bus is created, because
7339 	 * the PHYs will link their interrupts to these interrupt
7340 	 * controllers
7341 	 */
7342 	mv88e6xxx_reg_lock(chip);
7343 	if (chip->irq > 0)
7344 		err = mv88e6xxx_g1_irq_setup(chip);
7345 	else
7346 		err = mv88e6xxx_irq_poll_setup(chip);
7347 	mv88e6xxx_reg_unlock(chip);
7348 
7349 	if (err)
7350 		goto out;
7351 
7352 	if (chip->info->g2_irqs > 0) {
7353 		err = mv88e6xxx_g2_irq_setup(chip);
7354 		if (err)
7355 			goto out_g1_irq;
7356 	}
7357 
7358 	err = mv88e6xxx_g1_atu_prob_irq_setup(chip);
7359 	if (err)
7360 		goto out_g2_irq;
7361 
7362 	err = mv88e6xxx_g1_vtu_prob_irq_setup(chip);
7363 	if (err)
7364 		goto out_g1_atu_prob_irq;
7365 
7366 	err = mv88e6xxx_register_switch(chip);
7367 	if (err)
7368 		goto out_g1_vtu_prob_irq;
7369 
7370 	return 0;
7371 
7372 out_g1_vtu_prob_irq:
7373 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
7374 out_g1_atu_prob_irq:
7375 	mv88e6xxx_g1_atu_prob_irq_free(chip);
7376 out_g2_irq:
7377 	if (chip->info->g2_irqs > 0)
7378 		mv88e6xxx_g2_irq_free(chip);
7379 out_g1_irq:
7380 	if (chip->irq > 0)
7381 		mv88e6xxx_g1_irq_free(chip);
7382 	else
7383 		mv88e6xxx_irq_poll_free(chip);
7384 out:
7385 	if (pdata)
7386 		dev_put(pdata->netdev);
7387 
7388 	return err;
7389 }
7390 
mv88e6xxx_remove(struct mdio_device * mdiodev)7391 static void mv88e6xxx_remove(struct mdio_device *mdiodev)
7392 {
7393 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
7394 	struct mv88e6xxx_chip *chip;
7395 
7396 	if (!ds)
7397 		return;
7398 
7399 	chip = ds->priv;
7400 
7401 	if (chip->info->ptp_support) {
7402 		mv88e6xxx_hwtstamp_free(chip);
7403 		mv88e6xxx_ptp_free(chip);
7404 	}
7405 
7406 	mv88e6xxx_phy_destroy(chip);
7407 	mv88e6xxx_unregister_switch(chip);
7408 
7409 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
7410 	mv88e6xxx_g1_atu_prob_irq_free(chip);
7411 
7412 	if (chip->info->g2_irqs > 0)
7413 		mv88e6xxx_g2_irq_free(chip);
7414 
7415 	if (chip->irq > 0)
7416 		mv88e6xxx_g1_irq_free(chip);
7417 	else
7418 		mv88e6xxx_irq_poll_free(chip);
7419 }
7420 
mv88e6xxx_shutdown(struct mdio_device * mdiodev)7421 static void mv88e6xxx_shutdown(struct mdio_device *mdiodev)
7422 {
7423 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
7424 
7425 	if (!ds)
7426 		return;
7427 
7428 	dsa_switch_shutdown(ds);
7429 
7430 	dev_set_drvdata(&mdiodev->dev, NULL);
7431 }
7432 
7433 static const struct of_device_id mv88e6xxx_of_match[] = {
7434 	{
7435 		.compatible = "marvell,mv88e6085",
7436 		.data = &mv88e6xxx_table[MV88E6085],
7437 	},
7438 	{
7439 		.compatible = "marvell,mv88e6190",
7440 		.data = &mv88e6xxx_table[MV88E6190],
7441 	},
7442 	{
7443 		.compatible = "marvell,mv88e6250",
7444 		.data = &mv88e6xxx_table[MV88E6250],
7445 	},
7446 	{ /* sentinel */ },
7447 };
7448 
7449 MODULE_DEVICE_TABLE(of, mv88e6xxx_of_match);
7450 
7451 static struct mdio_driver mv88e6xxx_driver = {
7452 	.probe	= mv88e6xxx_probe,
7453 	.remove = mv88e6xxx_remove,
7454 	.shutdown = mv88e6xxx_shutdown,
7455 	.mdiodrv.driver = {
7456 		.name = "mv88e6085",
7457 		.of_match_table = mv88e6xxx_of_match,
7458 		.pm = &mv88e6xxx_pm_ops,
7459 	},
7460 };
7461 
7462 mdio_module_driver(mv88e6xxx_driver);
7463 
7464 MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>");
7465 MODULE_DESCRIPTION("Driver for Marvell 88E6XXX ethernet switch chips");
7466 MODULE_LICENSE("GPL");
7467