xref: /linux/drivers/net/dsa/mv88e6xxx/chip.c (revision f2a3b12b305c7bb72467b2a56d19a4587b6007f9)
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_create_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 	memset(entry, 0, sizeof(*entry));
1856 
1857 	entry->vid = vid ? vid - 1 : mv88e6xxx_max_vid(chip);
1858 	entry->valid = false;
1859 
1860 	err = chip->info->ops->vtu_getnext(chip, entry);
1861 
1862 	if (entry->vid != vid)
1863 		entry->valid = false;
1864 
1865 	return err;
1866 }
1867 
mv88e6xxx_vtu_walk(struct mv88e6xxx_chip * chip,int (* cb)(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * entry,void * priv),void * priv)1868 int mv88e6xxx_vtu_walk(struct mv88e6xxx_chip *chip,
1869 		       int (*cb)(struct mv88e6xxx_chip *chip,
1870 				 const struct mv88e6xxx_vtu_entry *entry,
1871 				 void *priv),
1872 		       void *priv)
1873 {
1874 	struct mv88e6xxx_vtu_entry entry = {
1875 		.vid = mv88e6xxx_max_vid(chip),
1876 		.valid = false,
1877 	};
1878 	int err;
1879 
1880 	if (!chip->info->ops->vtu_getnext)
1881 		return -EOPNOTSUPP;
1882 
1883 	do {
1884 		err = chip->info->ops->vtu_getnext(chip, &entry);
1885 		if (err)
1886 			return err;
1887 
1888 		if (!entry.valid)
1889 			break;
1890 
1891 		err = cb(chip, &entry, priv);
1892 		if (err)
1893 			return err;
1894 	} while (entry.vid < mv88e6xxx_max_vid(chip));
1895 
1896 	return 0;
1897 }
1898 
mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip * chip,struct mv88e6xxx_vtu_entry * entry)1899 static int mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
1900 				   struct mv88e6xxx_vtu_entry *entry)
1901 {
1902 	if (!chip->info->ops->vtu_loadpurge)
1903 		return -EOPNOTSUPP;
1904 
1905 	return chip->info->ops->vtu_loadpurge(chip, entry);
1906 }
1907 
mv88e6xxx_atu_new(struct mv88e6xxx_chip * chip,u16 * fid)1908 static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
1909 {
1910 	*fid = find_first_zero_bit(chip->fid_bitmap, MV88E6XXX_N_FID);
1911 	if (unlikely(*fid >= mv88e6xxx_num_databases(chip)))
1912 		return -ENOSPC;
1913 
1914 	/* Clear the database */
1915 	return mv88e6xxx_g1_atu_flush(chip, *fid, true);
1916 }
1917 
mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip * chip,struct mv88e6xxx_stu_entry * entry)1918 static int mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip *chip,
1919 				   struct mv88e6xxx_stu_entry *entry)
1920 {
1921 	if (!chip->info->ops->stu_loadpurge)
1922 		return -EOPNOTSUPP;
1923 
1924 	return chip->info->ops->stu_loadpurge(chip, entry);
1925 }
1926 
mv88e6xxx_stu_setup(struct mv88e6xxx_chip * chip)1927 static int mv88e6xxx_stu_setup(struct mv88e6xxx_chip *chip)
1928 {
1929 	struct mv88e6xxx_stu_entry stu = {
1930 		.valid = true,
1931 		.sid = 0
1932 	};
1933 
1934 	if (!mv88e6xxx_has_stu(chip))
1935 		return 0;
1936 
1937 	/* Make sure that SID 0 is always valid. This is used by VTU
1938 	 * entries that do not make use of the STU, e.g. when creating
1939 	 * a VLAN upper on a port that is also part of a VLAN
1940 	 * filtering bridge.
1941 	 */
1942 	return mv88e6xxx_stu_loadpurge(chip, &stu);
1943 }
1944 
mv88e6xxx_sid_get(struct mv88e6xxx_chip * chip,u8 * sid)1945 static int mv88e6xxx_sid_get(struct mv88e6xxx_chip *chip, u8 *sid)
1946 {
1947 	DECLARE_BITMAP(busy, MV88E6XXX_N_SID) = { 0 };
1948 	struct mv88e6xxx_mst *mst;
1949 
1950 	__set_bit(0, busy);
1951 
1952 	list_for_each_entry(mst, &chip->msts, node)
1953 		__set_bit(mst->stu.sid, busy);
1954 
1955 	*sid = find_first_zero_bit(busy, MV88E6XXX_N_SID);
1956 
1957 	return (*sid >= mv88e6xxx_max_sid(chip)) ? -ENOSPC : 0;
1958 }
1959 
mv88e6xxx_mst_put(struct mv88e6xxx_chip * chip,u8 sid)1960 static int mv88e6xxx_mst_put(struct mv88e6xxx_chip *chip, u8 sid)
1961 {
1962 	struct mv88e6xxx_mst *mst, *tmp;
1963 	int err;
1964 
1965 	/* If the SID is zero, it is for a VLAN mapped to the default MSTI,
1966 	 * and mv88e6xxx_stu_setup() made sure it is always present, and thus,
1967 	 * should not be removed here.
1968 	 *
1969 	 * If the chip lacks STU support, numerically the "sid" variable will
1970 	 * happen to also be zero, but we don't want to rely on that fact, so
1971 	 * we explicitly test that first. In that case, there is also nothing
1972 	 * to do here.
1973 	 */
1974 	if (!mv88e6xxx_has_stu(chip) || !sid)
1975 		return 0;
1976 
1977 	list_for_each_entry_safe(mst, tmp, &chip->msts, node) {
1978 		if (mst->stu.sid != sid)
1979 			continue;
1980 
1981 		if (!refcount_dec_and_test(&mst->refcnt))
1982 			return 0;
1983 
1984 		mst->stu.valid = false;
1985 		err = mv88e6xxx_stu_loadpurge(chip, &mst->stu);
1986 		if (err) {
1987 			refcount_set(&mst->refcnt, 1);
1988 			return err;
1989 		}
1990 
1991 		list_del(&mst->node);
1992 		kfree(mst);
1993 		return 0;
1994 	}
1995 
1996 	return -ENOENT;
1997 }
1998 
mv88e6xxx_mst_get(struct mv88e6xxx_chip * chip,struct net_device * br,u16 msti,u8 * sid)1999 static int mv88e6xxx_mst_get(struct mv88e6xxx_chip *chip, struct net_device *br,
2000 			     u16 msti, u8 *sid)
2001 {
2002 	struct mv88e6xxx_mst *mst;
2003 	int err, i;
2004 
2005 	if (!mv88e6xxx_has_stu(chip)) {
2006 		err = -EOPNOTSUPP;
2007 		goto err;
2008 	}
2009 
2010 	if (!msti) {
2011 		*sid = 0;
2012 		return 0;
2013 	}
2014 
2015 	list_for_each_entry(mst, &chip->msts, node) {
2016 		if (mst->br == br && mst->msti == msti) {
2017 			refcount_inc(&mst->refcnt);
2018 			*sid = mst->stu.sid;
2019 			return 0;
2020 		}
2021 	}
2022 
2023 	err = mv88e6xxx_sid_get(chip, sid);
2024 	if (err)
2025 		goto err;
2026 
2027 	mst = kzalloc(sizeof(*mst), GFP_KERNEL);
2028 	if (!mst) {
2029 		err = -ENOMEM;
2030 		goto err;
2031 	}
2032 
2033 	INIT_LIST_HEAD(&mst->node);
2034 	refcount_set(&mst->refcnt, 1);
2035 	mst->br = br;
2036 	mst->msti = msti;
2037 	mst->stu.valid = true;
2038 	mst->stu.sid = *sid;
2039 
2040 	/* The bridge starts out all ports in the disabled state. But
2041 	 * a STU state of disabled means to go by the port-global
2042 	 * state. So we set all user port's initial state to blocking,
2043 	 * to match the bridge's behavior.
2044 	 */
2045 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
2046 		mst->stu.state[i] = dsa_is_user_port(chip->ds, i) ?
2047 			MV88E6XXX_PORT_CTL0_STATE_BLOCKING :
2048 			MV88E6XXX_PORT_CTL0_STATE_DISABLED;
2049 
2050 	err = mv88e6xxx_stu_loadpurge(chip, &mst->stu);
2051 	if (err)
2052 		goto err_free;
2053 
2054 	list_add_tail(&mst->node, &chip->msts);
2055 	return 0;
2056 
2057 err_free:
2058 	kfree(mst);
2059 err:
2060 	return err;
2061 }
2062 
mv88e6xxx_port_mst_state_set(struct dsa_switch * ds,int port,const struct switchdev_mst_state * st)2063 static int mv88e6xxx_port_mst_state_set(struct dsa_switch *ds, int port,
2064 					const struct switchdev_mst_state *st)
2065 {
2066 	struct dsa_port *dp = dsa_to_port(ds, port);
2067 	struct mv88e6xxx_chip *chip = ds->priv;
2068 	struct mv88e6xxx_mst *mst;
2069 	u8 state;
2070 	int err;
2071 
2072 	if (!mv88e6xxx_has_stu(chip))
2073 		return -EOPNOTSUPP;
2074 
2075 	switch (st->state) {
2076 	case BR_STATE_DISABLED:
2077 	case BR_STATE_BLOCKING:
2078 	case BR_STATE_LISTENING:
2079 		state = MV88E6XXX_PORT_CTL0_STATE_BLOCKING;
2080 		break;
2081 	case BR_STATE_LEARNING:
2082 		state = MV88E6XXX_PORT_CTL0_STATE_LEARNING;
2083 		break;
2084 	case BR_STATE_FORWARDING:
2085 		state = MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
2086 		break;
2087 	default:
2088 		return -EINVAL;
2089 	}
2090 
2091 	list_for_each_entry(mst, &chip->msts, node) {
2092 		if (mst->br == dsa_port_bridge_dev_get(dp) &&
2093 		    mst->msti == st->msti) {
2094 			if (mst->stu.state[port] == state)
2095 				return 0;
2096 
2097 			mst->stu.state[port] = state;
2098 			mv88e6xxx_reg_lock(chip);
2099 			err = mv88e6xxx_stu_loadpurge(chip, &mst->stu);
2100 			mv88e6xxx_reg_unlock(chip);
2101 			return err;
2102 		}
2103 	}
2104 
2105 	return -ENOENT;
2106 }
2107 
mv88e6xxx_port_check_hw_vlan(struct dsa_switch * ds,int port,u16 vid)2108 static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
2109 					u16 vid)
2110 {
2111 	struct dsa_port *dp = dsa_to_port(ds, port), *other_dp;
2112 	struct mv88e6xxx_chip *chip = ds->priv;
2113 	struct mv88e6xxx_vtu_entry vlan;
2114 	int err;
2115 
2116 	/* DSA and CPU ports have to be members of multiple vlans */
2117 	if (dsa_port_is_dsa(dp) || dsa_port_is_cpu(dp))
2118 		return 0;
2119 
2120 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2121 	if (err)
2122 		return err;
2123 
2124 	if (!vlan.valid)
2125 		return 0;
2126 
2127 	dsa_switch_for_each_user_port(other_dp, ds) {
2128 		struct net_device *other_br;
2129 
2130 		if (vlan.member[other_dp->index] ==
2131 		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
2132 			continue;
2133 
2134 		if (dsa_port_bridge_same(dp, other_dp))
2135 			break; /* same bridge, check next VLAN */
2136 
2137 		other_br = dsa_port_bridge_dev_get(other_dp);
2138 		if (!other_br)
2139 			continue;
2140 
2141 		dev_err(ds->dev, "p%d: hw VLAN %d already used by port %d in %s\n",
2142 			port, vlan.vid, other_dp->index, netdev_name(other_br));
2143 		return -EOPNOTSUPP;
2144 	}
2145 
2146 	return 0;
2147 }
2148 
mv88e6xxx_port_commit_pvid(struct mv88e6xxx_chip * chip,int port)2149 static int mv88e6xxx_port_commit_pvid(struct mv88e6xxx_chip *chip, int port)
2150 {
2151 	struct dsa_port *dp = dsa_to_port(chip->ds, port);
2152 	struct net_device *br = dsa_port_bridge_dev_get(dp);
2153 	struct mv88e6xxx_port *p = &chip->ports[port];
2154 	u16 pvid = MV88E6XXX_VID_STANDALONE;
2155 	bool drop_untagged = false;
2156 	int err;
2157 
2158 	if (br) {
2159 		if (br_vlan_enabled(br)) {
2160 			pvid = p->bridge_pvid.vid;
2161 			drop_untagged = !p->bridge_pvid.valid;
2162 		} else {
2163 			pvid = MV88E6XXX_VID_BRIDGED;
2164 		}
2165 	}
2166 
2167 	err = mv88e6xxx_port_set_pvid(chip, port, pvid);
2168 	if (err)
2169 		return err;
2170 
2171 	return mv88e6xxx_port_drop_untagged(chip, port, drop_untagged);
2172 }
2173 
mv88e6xxx_port_vlan_filtering(struct dsa_switch * ds,int port,bool vlan_filtering,struct netlink_ext_ack * extack)2174 static int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
2175 					 bool vlan_filtering,
2176 					 struct netlink_ext_ack *extack)
2177 {
2178 	struct mv88e6xxx_chip *chip = ds->priv;
2179 	u16 mode = vlan_filtering ? MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE :
2180 		MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED;
2181 	int err;
2182 
2183 	if (!mv88e6xxx_max_vid(chip))
2184 		return -EOPNOTSUPP;
2185 
2186 	mv88e6xxx_reg_lock(chip);
2187 
2188 	err = mv88e6xxx_port_set_8021q_mode(chip, port, mode);
2189 	if (err)
2190 		goto unlock;
2191 
2192 	err = mv88e6xxx_port_commit_pvid(chip, port);
2193 	if (err)
2194 		goto unlock;
2195 
2196 unlock:
2197 	mv88e6xxx_reg_unlock(chip);
2198 
2199 	return err;
2200 }
2201 
2202 static int
mv88e6xxx_port_vlan_prepare(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan)2203 mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port,
2204 			    const struct switchdev_obj_port_vlan *vlan)
2205 {
2206 	struct mv88e6xxx_chip *chip = ds->priv;
2207 	int err;
2208 
2209 	if (!mv88e6xxx_max_vid(chip))
2210 		return -EOPNOTSUPP;
2211 
2212 	/* If the requested port doesn't belong to the same bridge as the VLAN
2213 	 * members, do not support it (yet) and fallback to software VLAN.
2214 	 */
2215 	mv88e6xxx_reg_lock(chip);
2216 	err = mv88e6xxx_port_check_hw_vlan(ds, port, vlan->vid);
2217 	mv88e6xxx_reg_unlock(chip);
2218 
2219 	return err;
2220 }
2221 
mv88e6xxx_port_db_get(struct mv88e6xxx_chip * chip,const unsigned char * addr,u16 vid,u16 * fid,struct mv88e6xxx_atu_entry * entry)2222 static int mv88e6xxx_port_db_get(struct mv88e6xxx_chip *chip,
2223 				 const unsigned char *addr, u16 vid,
2224 				 u16 *fid, struct mv88e6xxx_atu_entry *entry)
2225 {
2226 	struct mv88e6xxx_vtu_entry vlan;
2227 	int err;
2228 
2229 	/* Ports have two private address databases: one for when the port is
2230 	 * standalone and one for when the port is under a bridge and the
2231 	 * 802.1Q mode is disabled. When the port is standalone, DSA wants its
2232 	 * address database to remain 100% empty, so we never load an ATU entry
2233 	 * into a standalone port's database. Therefore, translate the null
2234 	 * VLAN ID into the port's database used for VLAN-unaware bridging.
2235 	 */
2236 	if (vid == 0) {
2237 		*fid = MV88E6XXX_FID_BRIDGED;
2238 	} else {
2239 		err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2240 		if (err)
2241 			return err;
2242 
2243 		/* switchdev expects -EOPNOTSUPP to honor software VLANs */
2244 		if (!vlan.valid)
2245 			return -EOPNOTSUPP;
2246 
2247 		*fid = vlan.fid;
2248 	}
2249 
2250 	entry->state = 0;
2251 	ether_addr_copy(entry->mac, addr);
2252 	eth_addr_dec(entry->mac);
2253 
2254 	return mv88e6xxx_g1_atu_getnext(chip, *fid, entry);
2255 }
2256 
mv88e6xxx_port_db_find(struct mv88e6xxx_chip * chip,const unsigned char * addr,u16 vid)2257 static bool mv88e6xxx_port_db_find(struct mv88e6xxx_chip *chip,
2258 				   const unsigned char *addr, u16 vid)
2259 {
2260 	struct mv88e6xxx_atu_entry entry;
2261 	u16 fid;
2262 	int err;
2263 
2264 	err = mv88e6xxx_port_db_get(chip, addr, vid, &fid, &entry);
2265 	if (err)
2266 		return false;
2267 
2268 	return entry.state && ether_addr_equal(entry.mac, addr);
2269 }
2270 
mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip * chip,int port,const unsigned char * addr,u16 vid,u8 state)2271 static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port,
2272 					const unsigned char *addr, u16 vid,
2273 					u8 state)
2274 {
2275 	struct mv88e6xxx_atu_entry entry;
2276 	u16 fid;
2277 	int err;
2278 
2279 	err = mv88e6xxx_port_db_get(chip, addr, vid, &fid, &entry);
2280 	if (err)
2281 		return err;
2282 
2283 	/* Initialize a fresh ATU entry if it isn't found */
2284 	if (!entry.state || !ether_addr_equal(entry.mac, addr)) {
2285 		memset(&entry, 0, sizeof(entry));
2286 		ether_addr_copy(entry.mac, addr);
2287 	}
2288 
2289 	/* Purge the ATU entry only if no port is using it anymore */
2290 	if (!state) {
2291 		entry.portvec &= ~BIT(port);
2292 		if (!entry.portvec)
2293 			entry.state = 0;
2294 	} else {
2295 		if (state == MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC)
2296 			entry.portvec = BIT(port);
2297 		else
2298 			entry.portvec |= BIT(port);
2299 
2300 		entry.state = state;
2301 	}
2302 
2303 	return mv88e6xxx_g1_atu_loadpurge(chip, fid, &entry);
2304 }
2305 
mv88e6xxx_policy_apply(struct mv88e6xxx_chip * chip,int port,const struct mv88e6xxx_policy * policy)2306 static int mv88e6xxx_policy_apply(struct mv88e6xxx_chip *chip, int port,
2307 				  const struct mv88e6xxx_policy *policy)
2308 {
2309 	enum mv88e6xxx_policy_mapping mapping = policy->mapping;
2310 	enum mv88e6xxx_policy_action action = policy->action;
2311 	const u8 *addr = policy->addr;
2312 	u16 vid = policy->vid;
2313 	u8 state;
2314 	int err;
2315 	int id;
2316 
2317 	if (!chip->info->ops->port_set_policy)
2318 		return -EOPNOTSUPP;
2319 
2320 	switch (mapping) {
2321 	case MV88E6XXX_POLICY_MAPPING_DA:
2322 	case MV88E6XXX_POLICY_MAPPING_SA:
2323 		if (action == MV88E6XXX_POLICY_ACTION_NORMAL)
2324 			state = 0; /* Dissociate the port and address */
2325 		else if (action == MV88E6XXX_POLICY_ACTION_DISCARD &&
2326 			 is_multicast_ether_addr(addr))
2327 			state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC_POLICY;
2328 		else if (action == MV88E6XXX_POLICY_ACTION_DISCARD &&
2329 			 is_unicast_ether_addr(addr))
2330 			state = MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC_POLICY;
2331 		else
2332 			return -EOPNOTSUPP;
2333 
2334 		err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
2335 						   state);
2336 		if (err)
2337 			return err;
2338 		break;
2339 	default:
2340 		return -EOPNOTSUPP;
2341 	}
2342 
2343 	/* Skip the port's policy clearing if the mapping is still in use */
2344 	if (action == MV88E6XXX_POLICY_ACTION_NORMAL)
2345 		idr_for_each_entry(&chip->policies, policy, id)
2346 			if (policy->port == port &&
2347 			    policy->mapping == mapping &&
2348 			    policy->action != action)
2349 				return 0;
2350 
2351 	return chip->info->ops->port_set_policy(chip, port, mapping, action);
2352 }
2353 
mv88e6xxx_policy_insert(struct mv88e6xxx_chip * chip,int port,struct ethtool_rx_flow_spec * fs)2354 static int mv88e6xxx_policy_insert(struct mv88e6xxx_chip *chip, int port,
2355 				   struct ethtool_rx_flow_spec *fs)
2356 {
2357 	struct ethhdr *mac_entry = &fs->h_u.ether_spec;
2358 	struct ethhdr *mac_mask = &fs->m_u.ether_spec;
2359 	enum mv88e6xxx_policy_mapping mapping;
2360 	enum mv88e6xxx_policy_action action;
2361 	struct mv88e6xxx_policy *policy;
2362 	u16 vid = 0;
2363 	u8 *addr;
2364 	int err;
2365 	int id;
2366 
2367 	if (fs->location != RX_CLS_LOC_ANY)
2368 		return -EINVAL;
2369 
2370 	if (fs->ring_cookie == RX_CLS_FLOW_DISC)
2371 		action = MV88E6XXX_POLICY_ACTION_DISCARD;
2372 	else
2373 		return -EOPNOTSUPP;
2374 
2375 	switch (fs->flow_type & ~FLOW_EXT) {
2376 	case ETHER_FLOW:
2377 		if (!is_zero_ether_addr(mac_mask->h_dest) &&
2378 		    is_zero_ether_addr(mac_mask->h_source)) {
2379 			mapping = MV88E6XXX_POLICY_MAPPING_DA;
2380 			addr = mac_entry->h_dest;
2381 		} else if (is_zero_ether_addr(mac_mask->h_dest) &&
2382 		    !is_zero_ether_addr(mac_mask->h_source)) {
2383 			mapping = MV88E6XXX_POLICY_MAPPING_SA;
2384 			addr = mac_entry->h_source;
2385 		} else {
2386 			/* Cannot support DA and SA mapping in the same rule */
2387 			return -EOPNOTSUPP;
2388 		}
2389 		break;
2390 	default:
2391 		return -EOPNOTSUPP;
2392 	}
2393 
2394 	if ((fs->flow_type & FLOW_EXT) && fs->m_ext.vlan_tci) {
2395 		if (fs->m_ext.vlan_tci != htons(0xffff))
2396 			return -EOPNOTSUPP;
2397 		vid = be16_to_cpu(fs->h_ext.vlan_tci) & VLAN_VID_MASK;
2398 	}
2399 
2400 	idr_for_each_entry(&chip->policies, policy, id) {
2401 		if (policy->port == port && policy->mapping == mapping &&
2402 		    policy->action == action && policy->vid == vid &&
2403 		    ether_addr_equal(policy->addr, addr))
2404 			return -EEXIST;
2405 	}
2406 
2407 	policy = devm_kzalloc(chip->dev, sizeof(*policy), GFP_KERNEL);
2408 	if (!policy)
2409 		return -ENOMEM;
2410 
2411 	fs->location = 0;
2412 	err = idr_alloc_u32(&chip->policies, policy, &fs->location, 0xffffffff,
2413 			    GFP_KERNEL);
2414 	if (err) {
2415 		devm_kfree(chip->dev, policy);
2416 		return err;
2417 	}
2418 
2419 	memcpy(&policy->fs, fs, sizeof(*fs));
2420 	ether_addr_copy(policy->addr, addr);
2421 	policy->mapping = mapping;
2422 	policy->action = action;
2423 	policy->port = port;
2424 	policy->vid = vid;
2425 
2426 	err = mv88e6xxx_policy_apply(chip, port, policy);
2427 	if (err) {
2428 		idr_remove(&chip->policies, fs->location);
2429 		devm_kfree(chip->dev, policy);
2430 		return err;
2431 	}
2432 
2433 	return 0;
2434 }
2435 
mv88e6xxx_get_rxnfc(struct dsa_switch * ds,int port,struct ethtool_rxnfc * rxnfc,u32 * rule_locs)2436 static int mv88e6xxx_get_rxnfc(struct dsa_switch *ds, int port,
2437 			       struct ethtool_rxnfc *rxnfc, u32 *rule_locs)
2438 {
2439 	struct ethtool_rx_flow_spec *fs = &rxnfc->fs;
2440 	struct mv88e6xxx_chip *chip = ds->priv;
2441 	struct mv88e6xxx_policy *policy;
2442 	int err;
2443 	int id;
2444 
2445 	mv88e6xxx_reg_lock(chip);
2446 
2447 	switch (rxnfc->cmd) {
2448 	case ETHTOOL_GRXCLSRLCNT:
2449 		rxnfc->data = 0;
2450 		rxnfc->data |= RX_CLS_LOC_SPECIAL;
2451 		rxnfc->rule_cnt = 0;
2452 		idr_for_each_entry(&chip->policies, policy, id)
2453 			if (policy->port == port)
2454 				rxnfc->rule_cnt++;
2455 		err = 0;
2456 		break;
2457 	case ETHTOOL_GRXCLSRULE:
2458 		err = -ENOENT;
2459 		policy = idr_find(&chip->policies, fs->location);
2460 		if (policy) {
2461 			memcpy(fs, &policy->fs, sizeof(*fs));
2462 			err = 0;
2463 		}
2464 		break;
2465 	case ETHTOOL_GRXCLSRLALL:
2466 		rxnfc->data = 0;
2467 		rxnfc->rule_cnt = 0;
2468 		idr_for_each_entry(&chip->policies, policy, id)
2469 			if (policy->port == port)
2470 				rule_locs[rxnfc->rule_cnt++] = id;
2471 		err = 0;
2472 		break;
2473 	default:
2474 		err = -EOPNOTSUPP;
2475 		break;
2476 	}
2477 
2478 	mv88e6xxx_reg_unlock(chip);
2479 
2480 	return err;
2481 }
2482 
mv88e6xxx_set_rxnfc(struct dsa_switch * ds,int port,struct ethtool_rxnfc * rxnfc)2483 static int mv88e6xxx_set_rxnfc(struct dsa_switch *ds, int port,
2484 			       struct ethtool_rxnfc *rxnfc)
2485 {
2486 	struct ethtool_rx_flow_spec *fs = &rxnfc->fs;
2487 	struct mv88e6xxx_chip *chip = ds->priv;
2488 	struct mv88e6xxx_policy *policy;
2489 	int err;
2490 
2491 	mv88e6xxx_reg_lock(chip);
2492 
2493 	switch (rxnfc->cmd) {
2494 	case ETHTOOL_SRXCLSRLINS:
2495 		err = mv88e6xxx_policy_insert(chip, port, fs);
2496 		break;
2497 	case ETHTOOL_SRXCLSRLDEL:
2498 		err = -ENOENT;
2499 		policy = idr_remove(&chip->policies, fs->location);
2500 		if (policy) {
2501 			policy->action = MV88E6XXX_POLICY_ACTION_NORMAL;
2502 			err = mv88e6xxx_policy_apply(chip, port, policy);
2503 			devm_kfree(chip->dev, policy);
2504 		}
2505 		break;
2506 	default:
2507 		err = -EOPNOTSUPP;
2508 		break;
2509 	}
2510 
2511 	mv88e6xxx_reg_unlock(chip);
2512 
2513 	return err;
2514 }
2515 
mv88e6xxx_port_add_broadcast(struct mv88e6xxx_chip * chip,int port,u16 vid)2516 static int mv88e6xxx_port_add_broadcast(struct mv88e6xxx_chip *chip, int port,
2517 					u16 vid)
2518 {
2519 	u8 state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC;
2520 	u8 broadcast[ETH_ALEN];
2521 
2522 	eth_broadcast_addr(broadcast);
2523 
2524 	return mv88e6xxx_port_db_load_purge(chip, port, broadcast, vid, state);
2525 }
2526 
mv88e6xxx_broadcast_setup(struct mv88e6xxx_chip * chip,u16 vid)2527 static int mv88e6xxx_broadcast_setup(struct mv88e6xxx_chip *chip, u16 vid)
2528 {
2529 	int port;
2530 	int err;
2531 
2532 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
2533 		struct dsa_port *dp = dsa_to_port(chip->ds, port);
2534 		struct net_device *brport;
2535 
2536 		if (dsa_is_unused_port(chip->ds, port))
2537 			continue;
2538 
2539 		brport = dsa_port_to_bridge_port(dp);
2540 		if (brport && !br_port_flag_is_set(brport, BR_BCAST_FLOOD))
2541 			/* Skip bridged user ports where broadcast
2542 			 * flooding is disabled.
2543 			 */
2544 			continue;
2545 
2546 		err = mv88e6xxx_port_add_broadcast(chip, port, vid);
2547 		if (err)
2548 			return err;
2549 	}
2550 
2551 	return 0;
2552 }
2553 
2554 struct mv88e6xxx_port_broadcast_sync_ctx {
2555 	int port;
2556 	bool flood;
2557 };
2558 
2559 static int
mv88e6xxx_port_broadcast_sync_vlan(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * vlan,void * _ctx)2560 mv88e6xxx_port_broadcast_sync_vlan(struct mv88e6xxx_chip *chip,
2561 				   const struct mv88e6xxx_vtu_entry *vlan,
2562 				   void *_ctx)
2563 {
2564 	struct mv88e6xxx_port_broadcast_sync_ctx *ctx = _ctx;
2565 	u8 broadcast[ETH_ALEN];
2566 	u8 state;
2567 
2568 	if (ctx->flood)
2569 		state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC;
2570 	else
2571 		state = MV88E6XXX_G1_ATU_DATA_STATE_MC_UNUSED;
2572 
2573 	eth_broadcast_addr(broadcast);
2574 
2575 	return mv88e6xxx_port_db_load_purge(chip, ctx->port, broadcast,
2576 					    vlan->vid, state);
2577 }
2578 
mv88e6xxx_port_broadcast_sync(struct mv88e6xxx_chip * chip,int port,bool flood)2579 static int mv88e6xxx_port_broadcast_sync(struct mv88e6xxx_chip *chip, int port,
2580 					 bool flood)
2581 {
2582 	struct mv88e6xxx_port_broadcast_sync_ctx ctx = {
2583 		.port = port,
2584 		.flood = flood,
2585 	};
2586 	struct mv88e6xxx_vtu_entry vid0 = {
2587 		.vid = 0,
2588 	};
2589 	int err;
2590 
2591 	/* Update the port's private database... */
2592 	err = mv88e6xxx_port_broadcast_sync_vlan(chip, &vid0, &ctx);
2593 	if (err)
2594 		return err;
2595 
2596 	/* ...and the database for all VLANs. */
2597 	return mv88e6xxx_vtu_walk(chip, mv88e6xxx_port_broadcast_sync_vlan,
2598 				  &ctx);
2599 }
2600 
mv88e6xxx_port_vlan_join(struct mv88e6xxx_chip * chip,int port,u16 vid,u8 member,bool warn)2601 static int mv88e6xxx_port_vlan_join(struct mv88e6xxx_chip *chip, int port,
2602 				    u16 vid, u8 member, bool warn)
2603 {
2604 	const u8 non_member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
2605 	struct mv88e6xxx_vtu_entry vlan;
2606 	int i, err;
2607 
2608 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2609 	if (err)
2610 		return err;
2611 
2612 	if (!vlan.valid) {
2613 		memset(&vlan, 0, sizeof(vlan));
2614 
2615 		if (vid == MV88E6XXX_VID_STANDALONE)
2616 			vlan.policy = true;
2617 
2618 		err = mv88e6xxx_atu_new(chip, &vlan.fid);
2619 		if (err)
2620 			return err;
2621 
2622 		for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
2623 			if (i == port)
2624 				vlan.member[i] = member;
2625 			else
2626 				vlan.member[i] = non_member;
2627 
2628 		vlan.vid = vid;
2629 		vlan.valid = true;
2630 
2631 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2632 		if (err)
2633 			return err;
2634 
2635 		err = mv88e6xxx_broadcast_setup(chip, vlan.vid);
2636 		if (err)
2637 			return err;
2638 	} else if (vlan.member[port] != member) {
2639 		vlan.member[port] = member;
2640 
2641 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2642 		if (err)
2643 			return err;
2644 	} else if (warn) {
2645 		dev_info(chip->dev, "p%d: already a member of VLAN %d\n",
2646 			 port, vid);
2647 	}
2648 
2649 	/* Record FID used in SW FID map */
2650 	bitmap_set(chip->fid_bitmap, vlan.fid, 1);
2651 
2652 	return 0;
2653 }
2654 
mv88e6xxx_port_vlan_add(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan,struct netlink_ext_ack * extack)2655 static int mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
2656 				   const struct switchdev_obj_port_vlan *vlan,
2657 				   struct netlink_ext_ack *extack)
2658 {
2659 	struct mv88e6xxx_chip *chip = ds->priv;
2660 	bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
2661 	bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
2662 	struct mv88e6xxx_port *p = &chip->ports[port];
2663 	bool warn;
2664 	u8 member;
2665 	int err;
2666 
2667 	if (!vlan->vid)
2668 		return 0;
2669 
2670 	err = mv88e6xxx_port_vlan_prepare(ds, port, vlan);
2671 	if (err)
2672 		return err;
2673 
2674 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
2675 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED;
2676 	else if (untagged)
2677 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED;
2678 	else
2679 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_TAGGED;
2680 
2681 	/* net/dsa/user.c will call dsa_port_vlan_add() for the affected port
2682 	 * and then the CPU port. Do not warn for duplicates for the CPU port.
2683 	 */
2684 	warn = !dsa_is_cpu_port(ds, port) && !dsa_is_dsa_port(ds, port);
2685 
2686 	mv88e6xxx_reg_lock(chip);
2687 
2688 	err = mv88e6xxx_port_vlan_join(chip, port, vlan->vid, member, warn);
2689 	if (err) {
2690 		dev_err(ds->dev, "p%d: failed to add VLAN %d%c\n", port,
2691 			vlan->vid, untagged ? 'u' : 't');
2692 		goto out;
2693 	}
2694 
2695 	if (pvid) {
2696 		p->bridge_pvid.vid = vlan->vid;
2697 		p->bridge_pvid.valid = true;
2698 
2699 		err = mv88e6xxx_port_commit_pvid(chip, port);
2700 		if (err)
2701 			goto out;
2702 	} else if (vlan->vid && p->bridge_pvid.vid == vlan->vid) {
2703 		/* The old pvid was reinstalled as a non-pvid VLAN */
2704 		p->bridge_pvid.valid = false;
2705 
2706 		err = mv88e6xxx_port_commit_pvid(chip, port);
2707 		if (err)
2708 			goto out;
2709 	}
2710 
2711 out:
2712 	mv88e6xxx_reg_unlock(chip);
2713 
2714 	return err;
2715 }
2716 
mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip * chip,int port,u16 vid)2717 static int mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip *chip,
2718 				     int port, u16 vid)
2719 {
2720 	struct mv88e6xxx_vtu_entry vlan;
2721 	int i, err;
2722 
2723 	if (!vid)
2724 		return 0;
2725 
2726 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2727 	if (err)
2728 		return err;
2729 
2730 	/* If the VLAN doesn't exist in hardware or the port isn't a member,
2731 	 * tell switchdev that this VLAN is likely handled in software.
2732 	 */
2733 	if (!vlan.valid ||
2734 	    vlan.member[port] == MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
2735 		return -EOPNOTSUPP;
2736 
2737 	vlan.member[port] = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
2738 
2739 	/* keep the VLAN unless all ports are excluded */
2740 	vlan.valid = false;
2741 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
2742 		if (vlan.member[i] !=
2743 		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
2744 			vlan.valid = true;
2745 			break;
2746 		}
2747 	}
2748 
2749 	err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2750 	if (err)
2751 		return err;
2752 
2753 	if (!vlan.valid) {
2754 		err = mv88e6xxx_mst_put(chip, vlan.sid);
2755 		if (err)
2756 			return err;
2757 
2758 		/* Record FID freed in SW FID map */
2759 		bitmap_clear(chip->fid_bitmap, vlan.fid, 1);
2760 	}
2761 
2762 	return mv88e6xxx_g1_atu_remove(chip, vlan.fid, port, false);
2763 }
2764 
mv88e6xxx_port_vlan_del(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan)2765 static int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port,
2766 				   const struct switchdev_obj_port_vlan *vlan)
2767 {
2768 	struct mv88e6xxx_chip *chip = ds->priv;
2769 	struct mv88e6xxx_port *p = &chip->ports[port];
2770 	int err = 0;
2771 	u16 pvid;
2772 
2773 	if (!mv88e6xxx_max_vid(chip))
2774 		return -EOPNOTSUPP;
2775 
2776 	/* The ATU removal procedure needs the FID to be mapped in the VTU,
2777 	 * but FDB deletion runs concurrently with VLAN deletion. Flush the DSA
2778 	 * switchdev workqueue to ensure that all FDB entries are deleted
2779 	 * before we remove the VLAN.
2780 	 */
2781 	dsa_flush_workqueue();
2782 
2783 	mv88e6xxx_reg_lock(chip);
2784 
2785 	err = mv88e6xxx_port_get_pvid(chip, port, &pvid);
2786 	if (err)
2787 		goto unlock;
2788 
2789 	err = mv88e6xxx_port_vlan_leave(chip, port, vlan->vid);
2790 	if (err)
2791 		goto unlock;
2792 
2793 	if (vlan->vid == pvid) {
2794 		p->bridge_pvid.valid = false;
2795 
2796 		err = mv88e6xxx_port_commit_pvid(chip, port);
2797 		if (err)
2798 			goto unlock;
2799 	}
2800 
2801 unlock:
2802 	mv88e6xxx_reg_unlock(chip);
2803 
2804 	return err;
2805 }
2806 
mv88e6xxx_port_vlan_fast_age(struct dsa_switch * ds,int port,u16 vid)2807 static int mv88e6xxx_port_vlan_fast_age(struct dsa_switch *ds, int port, u16 vid)
2808 {
2809 	struct mv88e6xxx_chip *chip = ds->priv;
2810 	struct mv88e6xxx_vtu_entry vlan;
2811 	int err;
2812 
2813 	mv88e6xxx_reg_lock(chip);
2814 
2815 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2816 	if (err)
2817 		goto unlock;
2818 
2819 	err = mv88e6xxx_port_fast_age_fid(chip, port, vlan.fid);
2820 
2821 unlock:
2822 	mv88e6xxx_reg_unlock(chip);
2823 
2824 	return err;
2825 }
2826 
mv88e6xxx_vlan_msti_set(struct dsa_switch * ds,struct dsa_bridge bridge,const struct switchdev_vlan_msti * msti)2827 static int mv88e6xxx_vlan_msti_set(struct dsa_switch *ds,
2828 				   struct dsa_bridge bridge,
2829 				   const struct switchdev_vlan_msti *msti)
2830 {
2831 	struct mv88e6xxx_chip *chip = ds->priv;
2832 	struct mv88e6xxx_vtu_entry vlan;
2833 	u8 old_sid, new_sid;
2834 	int err;
2835 
2836 	if (!mv88e6xxx_has_stu(chip))
2837 		return -EOPNOTSUPP;
2838 
2839 	mv88e6xxx_reg_lock(chip);
2840 
2841 	err = mv88e6xxx_vtu_get(chip, msti->vid, &vlan);
2842 	if (err)
2843 		goto unlock;
2844 
2845 	if (!vlan.valid) {
2846 		err = -EINVAL;
2847 		goto unlock;
2848 	}
2849 
2850 	old_sid = vlan.sid;
2851 
2852 	err = mv88e6xxx_mst_get(chip, bridge.dev, msti->msti, &new_sid);
2853 	if (err)
2854 		goto unlock;
2855 
2856 	if (new_sid != old_sid) {
2857 		vlan.sid = new_sid;
2858 
2859 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2860 		if (err) {
2861 			mv88e6xxx_mst_put(chip, new_sid);
2862 			goto unlock;
2863 		}
2864 	}
2865 
2866 	err = mv88e6xxx_mst_put(chip, old_sid);
2867 
2868 unlock:
2869 	mv88e6xxx_reg_unlock(chip);
2870 	return err;
2871 }
2872 
mv88e6xxx_port_fdb_add(struct dsa_switch * ds,int port,const unsigned char * addr,u16 vid,struct dsa_db db)2873 static int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
2874 				  const unsigned char *addr, u16 vid,
2875 				  struct dsa_db db)
2876 {
2877 	struct mv88e6xxx_chip *chip = ds->priv;
2878 	int err;
2879 
2880 	mv88e6xxx_reg_lock(chip);
2881 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
2882 					   MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
2883 	if (err)
2884 		goto out;
2885 
2886 	if (!mv88e6xxx_port_db_find(chip, addr, vid))
2887 		err = -ENOSPC;
2888 
2889 out:
2890 	mv88e6xxx_reg_unlock(chip);
2891 
2892 	return err;
2893 }
2894 
mv88e6xxx_port_fdb_del(struct dsa_switch * ds,int port,const unsigned char * addr,u16 vid,struct dsa_db db)2895 static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
2896 				  const unsigned char *addr, u16 vid,
2897 				  struct dsa_db db)
2898 {
2899 	struct mv88e6xxx_chip *chip = ds->priv;
2900 	int err;
2901 
2902 	mv88e6xxx_reg_lock(chip);
2903 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid, 0);
2904 	mv88e6xxx_reg_unlock(chip);
2905 
2906 	return err;
2907 }
2908 
mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip * chip,u16 fid,u16 vid,int port,dsa_fdb_dump_cb_t * cb,void * data)2909 static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip,
2910 				      u16 fid, u16 vid, int port,
2911 				      dsa_fdb_dump_cb_t *cb, void *data)
2912 {
2913 	struct mv88e6xxx_atu_entry addr;
2914 	bool is_static;
2915 	int err;
2916 
2917 	addr.state = 0;
2918 	eth_broadcast_addr(addr.mac);
2919 
2920 	do {
2921 		err = mv88e6xxx_g1_atu_getnext(chip, fid, &addr);
2922 		if (err)
2923 			return err;
2924 
2925 		if (!addr.state)
2926 			break;
2927 
2928 		if (addr.trunk || (addr.portvec & BIT(port)) == 0)
2929 			continue;
2930 
2931 		if (!is_unicast_ether_addr(addr.mac))
2932 			continue;
2933 
2934 		is_static = (addr.state ==
2935 			     MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
2936 		err = cb(addr.mac, vid, is_static, data);
2937 		if (err)
2938 			return err;
2939 	} while (!is_broadcast_ether_addr(addr.mac));
2940 
2941 	return err;
2942 }
2943 
2944 struct mv88e6xxx_port_db_dump_vlan_ctx {
2945 	int port;
2946 	dsa_fdb_dump_cb_t *cb;
2947 	void *data;
2948 };
2949 
mv88e6xxx_port_db_dump_vlan(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * entry,void * _data)2950 static int mv88e6xxx_port_db_dump_vlan(struct mv88e6xxx_chip *chip,
2951 				       const struct mv88e6xxx_vtu_entry *entry,
2952 				       void *_data)
2953 {
2954 	struct mv88e6xxx_port_db_dump_vlan_ctx *ctx = _data;
2955 
2956 	return mv88e6xxx_port_db_dump_fid(chip, entry->fid, entry->vid,
2957 					  ctx->port, ctx->cb, ctx->data);
2958 }
2959 
mv88e6xxx_port_db_dump(struct mv88e6xxx_chip * chip,int port,dsa_fdb_dump_cb_t * cb,void * data)2960 static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
2961 				  dsa_fdb_dump_cb_t *cb, void *data)
2962 {
2963 	struct mv88e6xxx_port_db_dump_vlan_ctx ctx = {
2964 		.port = port,
2965 		.cb = cb,
2966 		.data = data,
2967 	};
2968 	u16 fid;
2969 	int err;
2970 
2971 	/* Dump port's default Filtering Information Database (VLAN ID 0) */
2972 	err = mv88e6xxx_port_get_fid(chip, port, &fid);
2973 	if (err)
2974 		return err;
2975 
2976 	err = mv88e6xxx_port_db_dump_fid(chip, fid, 0, port, cb, data);
2977 	if (err)
2978 		return err;
2979 
2980 	return mv88e6xxx_vtu_walk(chip, mv88e6xxx_port_db_dump_vlan, &ctx);
2981 }
2982 
mv88e6xxx_port_fdb_dump(struct dsa_switch * ds,int port,dsa_fdb_dump_cb_t * cb,void * data)2983 static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
2984 				   dsa_fdb_dump_cb_t *cb, void *data)
2985 {
2986 	struct mv88e6xxx_chip *chip = ds->priv;
2987 	int err;
2988 
2989 	mv88e6xxx_reg_lock(chip);
2990 	err = mv88e6xxx_port_db_dump(chip, port, cb, data);
2991 	mv88e6xxx_reg_unlock(chip);
2992 
2993 	return err;
2994 }
2995 
mv88e6xxx_bridge_map(struct mv88e6xxx_chip * chip,struct dsa_bridge bridge)2996 static int mv88e6xxx_bridge_map(struct mv88e6xxx_chip *chip,
2997 				struct dsa_bridge bridge)
2998 {
2999 	struct dsa_switch *ds = chip->ds;
3000 	struct dsa_switch_tree *dst = ds->dst;
3001 	struct dsa_port *dp;
3002 	int err;
3003 
3004 	list_for_each_entry(dp, &dst->ports, list) {
3005 		if (dsa_port_offloads_bridge(dp, &bridge)) {
3006 			if (dp->ds == ds) {
3007 				/* This is a local bridge group member,
3008 				 * remap its Port VLAN Map.
3009 				 */
3010 				err = mv88e6xxx_port_vlan_map(chip, dp->index);
3011 				if (err)
3012 					return err;
3013 			} else {
3014 				/* This is an external bridge group member,
3015 				 * remap its cross-chip Port VLAN Table entry.
3016 				 */
3017 				err = mv88e6xxx_pvt_map(chip, dp->ds->index,
3018 							dp->index);
3019 				if (err)
3020 					return err;
3021 			}
3022 		}
3023 	}
3024 
3025 	return 0;
3026 }
3027 
3028 /* Treat the software bridge as a virtual single-port switch behind the
3029  * CPU and map in the PVT. First dst->last_switch elements are taken by
3030  * physical switches, so start from beyond that range.
3031  */
mv88e6xxx_map_virtual_bridge_to_pvt(struct dsa_switch * ds,unsigned int bridge_num)3032 static int mv88e6xxx_map_virtual_bridge_to_pvt(struct dsa_switch *ds,
3033 					       unsigned int bridge_num)
3034 {
3035 	u8 dev = bridge_num + ds->dst->last_switch;
3036 	struct mv88e6xxx_chip *chip = ds->priv;
3037 
3038 	return mv88e6xxx_pvt_map(chip, dev, 0);
3039 }
3040 
mv88e6xxx_port_bridge_join(struct dsa_switch * ds,int port,struct dsa_bridge bridge,bool * tx_fwd_offload,struct netlink_ext_ack * extack)3041 static int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
3042 				      struct dsa_bridge bridge,
3043 				      bool *tx_fwd_offload,
3044 				      struct netlink_ext_ack *extack)
3045 {
3046 	struct mv88e6xxx_chip *chip = ds->priv;
3047 	int err;
3048 
3049 	mv88e6xxx_reg_lock(chip);
3050 
3051 	err = mv88e6xxx_bridge_map(chip, bridge);
3052 	if (err)
3053 		goto unlock;
3054 
3055 	err = mv88e6xxx_port_set_map_da(chip, port, true);
3056 	if (err)
3057 		goto unlock;
3058 
3059 	err = mv88e6xxx_port_commit_pvid(chip, port);
3060 	if (err)
3061 		goto unlock;
3062 
3063 	if (mv88e6xxx_has_pvt(chip)) {
3064 		err = mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num);
3065 		if (err)
3066 			goto unlock;
3067 
3068 		*tx_fwd_offload = true;
3069 	}
3070 
3071 unlock:
3072 	mv88e6xxx_reg_unlock(chip);
3073 
3074 	return err;
3075 }
3076 
mv88e6xxx_port_bridge_leave(struct dsa_switch * ds,int port,struct dsa_bridge bridge)3077 static void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port,
3078 					struct dsa_bridge bridge)
3079 {
3080 	struct mv88e6xxx_chip *chip = ds->priv;
3081 	int err;
3082 
3083 	mv88e6xxx_reg_lock(chip);
3084 
3085 	if (bridge.tx_fwd_offload &&
3086 	    mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num))
3087 		dev_err(ds->dev, "failed to remap cross-chip Port VLAN\n");
3088 
3089 	if (mv88e6xxx_bridge_map(chip, bridge) ||
3090 	    mv88e6xxx_port_vlan_map(chip, port))
3091 		dev_err(ds->dev, "failed to remap in-chip Port VLAN\n");
3092 
3093 	err = mv88e6xxx_port_set_map_da(chip, port, false);
3094 	if (err)
3095 		dev_err(ds->dev,
3096 			"port %d failed to restore map-DA: %pe\n",
3097 			port, ERR_PTR(err));
3098 
3099 	err = mv88e6xxx_port_commit_pvid(chip, port);
3100 	if (err)
3101 		dev_err(ds->dev,
3102 			"port %d failed to restore standalone pvid: %pe\n",
3103 			port, ERR_PTR(err));
3104 
3105 	mv88e6xxx_reg_unlock(chip);
3106 }
3107 
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)3108 static int mv88e6xxx_crosschip_bridge_join(struct dsa_switch *ds,
3109 					   int tree_index, int sw_index,
3110 					   int port, struct dsa_bridge bridge,
3111 					   struct netlink_ext_ack *extack)
3112 {
3113 	struct mv88e6xxx_chip *chip = ds->priv;
3114 	int err;
3115 
3116 	if (tree_index != ds->dst->index)
3117 		return 0;
3118 
3119 	mv88e6xxx_reg_lock(chip);
3120 	err = mv88e6xxx_pvt_map(chip, sw_index, port);
3121 	err = err ? : mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num);
3122 	mv88e6xxx_reg_unlock(chip);
3123 
3124 	return err;
3125 }
3126 
mv88e6xxx_crosschip_bridge_leave(struct dsa_switch * ds,int tree_index,int sw_index,int port,struct dsa_bridge bridge)3127 static void mv88e6xxx_crosschip_bridge_leave(struct dsa_switch *ds,
3128 					     int tree_index, int sw_index,
3129 					     int port, struct dsa_bridge bridge)
3130 {
3131 	struct mv88e6xxx_chip *chip = ds->priv;
3132 
3133 	if (tree_index != ds->dst->index)
3134 		return;
3135 
3136 	mv88e6xxx_reg_lock(chip);
3137 	if (mv88e6xxx_pvt_map(chip, sw_index, port) ||
3138 	    mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num))
3139 		dev_err(ds->dev, "failed to remap cross-chip Port VLAN\n");
3140 	mv88e6xxx_reg_unlock(chip);
3141 }
3142 
mv88e6xxx_software_reset(struct mv88e6xxx_chip * chip)3143 static int mv88e6xxx_software_reset(struct mv88e6xxx_chip *chip)
3144 {
3145 	if (chip->info->ops->reset)
3146 		return chip->info->ops->reset(chip);
3147 
3148 	return 0;
3149 }
3150 
mv88e6xxx_hardware_reset(struct mv88e6xxx_chip * chip)3151 static void mv88e6xxx_hardware_reset(struct mv88e6xxx_chip *chip)
3152 {
3153 	struct gpio_desc *gpiod = chip->reset;
3154 	int err;
3155 
3156 	/* If there is a GPIO connected to the reset pin, toggle it */
3157 	if (gpiod) {
3158 		/* If the switch has just been reset and not yet completed
3159 		 * loading EEPROM, the reset may interrupt the I2C transaction
3160 		 * mid-byte, causing the first EEPROM read after the reset
3161 		 * from the wrong location resulting in the switch booting
3162 		 * to wrong mode and inoperable.
3163 		 * For this reason, switch families with EEPROM support
3164 		 * generally wait for EEPROM loads to complete as their pre-
3165 		 * and post-reset handlers.
3166 		 */
3167 		if (chip->info->ops->hardware_reset_pre) {
3168 			err = chip->info->ops->hardware_reset_pre(chip);
3169 			if (err)
3170 				dev_err(chip->dev, "pre-reset error: %d\n", err);
3171 		}
3172 
3173 		gpiod_set_value_cansleep(gpiod, 1);
3174 		usleep_range(10000, 20000);
3175 		gpiod_set_value_cansleep(gpiod, 0);
3176 		usleep_range(10000, 20000);
3177 
3178 		if (chip->info->ops->hardware_reset_post) {
3179 			err = chip->info->ops->hardware_reset_post(chip);
3180 			if (err)
3181 				dev_err(chip->dev, "post-reset error: %d\n", err);
3182 		}
3183 	}
3184 }
3185 
mv88e6xxx_disable_ports(struct mv88e6xxx_chip * chip)3186 static int mv88e6xxx_disable_ports(struct mv88e6xxx_chip *chip)
3187 {
3188 	int i, err;
3189 
3190 	/* Set all ports to the Disabled state */
3191 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
3192 		err = mv88e6xxx_port_set_state(chip, i, BR_STATE_DISABLED);
3193 		if (err)
3194 			return err;
3195 	}
3196 
3197 	/* Wait for transmit queues to drain,
3198 	 * i.e. 2ms for a maximum frame to be transmitted at 10 Mbps.
3199 	 */
3200 	usleep_range(2000, 4000);
3201 
3202 	return 0;
3203 }
3204 
mv88e6xxx_switch_reset(struct mv88e6xxx_chip * chip)3205 static int mv88e6xxx_switch_reset(struct mv88e6xxx_chip *chip)
3206 {
3207 	int err;
3208 
3209 	err = mv88e6xxx_disable_ports(chip);
3210 	if (err)
3211 		return err;
3212 
3213 	mv88e6xxx_hardware_reset(chip);
3214 
3215 	return mv88e6xxx_software_reset(chip);
3216 }
3217 
mv88e6xxx_set_port_mode(struct mv88e6xxx_chip * chip,int port,enum mv88e6xxx_frame_mode frame,enum mv88e6xxx_egress_mode egress,u16 etype)3218 static int mv88e6xxx_set_port_mode(struct mv88e6xxx_chip *chip, int port,
3219 				   enum mv88e6xxx_frame_mode frame,
3220 				   enum mv88e6xxx_egress_mode egress, u16 etype)
3221 {
3222 	int err;
3223 
3224 	if (!chip->info->ops->port_set_frame_mode)
3225 		return -EOPNOTSUPP;
3226 
3227 	err = mv88e6xxx_port_set_egress_mode(chip, port, egress);
3228 	if (err)
3229 		return err;
3230 
3231 	err = chip->info->ops->port_set_frame_mode(chip, port, frame);
3232 	if (err)
3233 		return err;
3234 
3235 	if (chip->info->ops->port_set_ether_type)
3236 		return chip->info->ops->port_set_ether_type(chip, port, etype);
3237 
3238 	return 0;
3239 }
3240 
mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip * chip,int port)3241 static int mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip *chip, int port)
3242 {
3243 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_NORMAL,
3244 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
3245 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
3246 }
3247 
mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip * chip,int port)3248 static int mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip *chip, int port)
3249 {
3250 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_DSA,
3251 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
3252 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
3253 }
3254 
mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip * chip,int port)3255 static int mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip *chip, int port)
3256 {
3257 	return mv88e6xxx_set_port_mode(chip, port,
3258 				       MV88E6XXX_FRAME_MODE_ETHERTYPE,
3259 				       MV88E6XXX_EGRESS_MODE_ETHERTYPE,
3260 				       ETH_P_EDSA);
3261 }
3262 
mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip * chip,int port)3263 static int mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip *chip, int port)
3264 {
3265 	if (dsa_is_dsa_port(chip->ds, port))
3266 		return mv88e6xxx_set_port_mode_dsa(chip, port);
3267 
3268 	if (dsa_is_user_port(chip->ds, port))
3269 		return mv88e6xxx_set_port_mode_normal(chip, port);
3270 
3271 	/* Setup CPU port mode depending on its supported tag format */
3272 	if (chip->tag_protocol == DSA_TAG_PROTO_DSA)
3273 		return mv88e6xxx_set_port_mode_dsa(chip, port);
3274 
3275 	if (chip->tag_protocol == DSA_TAG_PROTO_EDSA)
3276 		return mv88e6xxx_set_port_mode_edsa(chip, port);
3277 
3278 	return -EINVAL;
3279 }
3280 
mv88e6xxx_setup_message_port(struct mv88e6xxx_chip * chip,int port)3281 static int mv88e6xxx_setup_message_port(struct mv88e6xxx_chip *chip, int port)
3282 {
3283 	bool message = dsa_is_dsa_port(chip->ds, port);
3284 
3285 	return mv88e6xxx_port_set_message_port(chip, port, message);
3286 }
3287 
mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip * chip,int port)3288 static int mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip *chip, int port)
3289 {
3290 	int err;
3291 
3292 	if (chip->info->ops->port_set_ucast_flood) {
3293 		err = chip->info->ops->port_set_ucast_flood(chip, port, true);
3294 		if (err)
3295 			return err;
3296 	}
3297 	if (chip->info->ops->port_set_mcast_flood) {
3298 		err = chip->info->ops->port_set_mcast_flood(chip, port, true);
3299 		if (err)
3300 			return err;
3301 	}
3302 
3303 	return 0;
3304 }
3305 
mv88e6xxx_set_egress_port(struct mv88e6xxx_chip * chip,enum mv88e6xxx_egress_direction direction,int port)3306 static int mv88e6xxx_set_egress_port(struct mv88e6xxx_chip *chip,
3307 				     enum mv88e6xxx_egress_direction direction,
3308 				     int port)
3309 {
3310 	int err;
3311 
3312 	if (!chip->info->ops->set_egress_port)
3313 		return -EOPNOTSUPP;
3314 
3315 	err = chip->info->ops->set_egress_port(chip, direction, port);
3316 	if (err)
3317 		return err;
3318 
3319 	if (direction == MV88E6XXX_EGRESS_DIR_INGRESS)
3320 		chip->ingress_dest_port = port;
3321 	else
3322 		chip->egress_dest_port = port;
3323 
3324 	return 0;
3325 }
3326 
mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip * chip,int port)3327 static int mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip *chip, int port)
3328 {
3329 	struct dsa_switch *ds = chip->ds;
3330 	int upstream_port;
3331 	int err;
3332 
3333 	upstream_port = dsa_upstream_port(ds, port);
3334 	if (chip->info->ops->port_set_upstream_port) {
3335 		err = chip->info->ops->port_set_upstream_port(chip, port,
3336 							      upstream_port);
3337 		if (err)
3338 			return err;
3339 	}
3340 
3341 	if (port == upstream_port) {
3342 		if (chip->info->ops->set_cpu_port) {
3343 			err = chip->info->ops->set_cpu_port(chip,
3344 							    upstream_port);
3345 			if (err)
3346 				return err;
3347 		}
3348 
3349 		err = mv88e6xxx_set_egress_port(chip,
3350 						MV88E6XXX_EGRESS_DIR_INGRESS,
3351 						upstream_port);
3352 		if (err && err != -EOPNOTSUPP)
3353 			return err;
3354 
3355 		err = mv88e6xxx_set_egress_port(chip,
3356 						MV88E6XXX_EGRESS_DIR_EGRESS,
3357 						upstream_port);
3358 		if (err && err != -EOPNOTSUPP)
3359 			return err;
3360 	}
3361 
3362 	return 0;
3363 }
3364 
mv88e6xxx_setup_port(struct mv88e6xxx_chip * chip,int port)3365 static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
3366 {
3367 	struct fwnode_handle *ports_fwnode;
3368 	struct fwnode_handle *port_fwnode;
3369 	struct dsa_switch *ds = chip->ds;
3370 	struct mv88e6xxx_port *p;
3371 	int err;
3372 	u16 reg;
3373 	u32 val;
3374 
3375 	p = &chip->ports[port];
3376 	p->chip = chip;
3377 	p->port = port;
3378 
3379 	/* Look up corresponding fwnode if any */
3380 	ports_fwnode = device_get_named_child_node(chip->dev, "ethernet-ports");
3381 	if (!ports_fwnode)
3382 		ports_fwnode = device_get_named_child_node(chip->dev, "ports");
3383 	if (ports_fwnode) {
3384 		fwnode_for_each_child_node(ports_fwnode, port_fwnode) {
3385 			if (fwnode_property_read_u32(port_fwnode, "reg", &val))
3386 				continue;
3387 			if (val == port) {
3388 				p->fwnode = port_fwnode;
3389 				p->fiber = fwnode_property_present(port_fwnode, "sfp");
3390 				break;
3391 			}
3392 		}
3393 		fwnode_handle_put(ports_fwnode);
3394 	} else {
3395 		dev_dbg(chip->dev, "no ethernet ports node defined for the device\n");
3396 	}
3397 
3398 	if (chip->info->ops->port_setup_leds) {
3399 		err = chip->info->ops->port_setup_leds(chip, port);
3400 		if (err && err != -EOPNOTSUPP)
3401 			return err;
3402 	}
3403 
3404 	err = mv88e6xxx_port_setup_mac(chip, port, LINK_UNFORCED,
3405 				       SPEED_UNFORCED, DUPLEX_UNFORCED,
3406 				       PAUSE_ON, PHY_INTERFACE_MODE_NA);
3407 	if (err)
3408 		return err;
3409 
3410 	/* Port Control: disable Drop-on-Unlock, disable Drop-on-Lock,
3411 	 * disable Header mode, enable IGMP/MLD snooping, disable VLAN
3412 	 * tunneling, determine priority by looking at 802.1p and IP
3413 	 * priority fields (IP prio has precedence), and set STP state
3414 	 * to Forwarding.
3415 	 *
3416 	 * If this is the CPU link, use DSA or EDSA tagging depending
3417 	 * on which tagging mode was configured.
3418 	 *
3419 	 * If this is a link to another switch, use DSA tagging mode.
3420 	 *
3421 	 * If this is the upstream port for this switch, enable
3422 	 * forwarding of unknown unicasts and multicasts.
3423 	 */
3424 	reg = MV88E6185_PORT_CTL0_USE_TAG | MV88E6185_PORT_CTL0_USE_IP |
3425 		MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
3426 	/* Forward any IPv4 IGMP or IPv6 MLD frames received
3427 	 * by a USER port to the CPU port to allow snooping.
3428 	 */
3429 	if (dsa_is_user_port(ds, port))
3430 		reg |= MV88E6XXX_PORT_CTL0_IGMP_MLD_SNOOP;
3431 
3432 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
3433 	if (err)
3434 		return err;
3435 
3436 	err = mv88e6xxx_setup_port_mode(chip, port);
3437 	if (err)
3438 		return err;
3439 
3440 	err = mv88e6xxx_setup_egress_floods(chip, port);
3441 	if (err)
3442 		return err;
3443 
3444 	/* Port Control 2: don't force a good FCS, set the MTU size to
3445 	 * 10222 bytes, disable 802.1q tags checking, don't discard
3446 	 * tagged or untagged frames on this port, skip destination
3447 	 * address lookup on user ports, disable ARP mirroring and don't
3448 	 * send a copy of all transmitted/received frames on this port
3449 	 * to the CPU.
3450 	 */
3451 	err = mv88e6xxx_port_set_map_da(chip, port, !dsa_is_user_port(ds, port));
3452 	if (err)
3453 		return err;
3454 
3455 	err = mv88e6xxx_setup_upstream_port(chip, port);
3456 	if (err)
3457 		return err;
3458 
3459 	/* On chips that support it, set all downstream DSA ports'
3460 	 * VLAN policy to TRAP. In combination with loading
3461 	 * MV88E6XXX_VID_STANDALONE as a policy entry in the VTU, this
3462 	 * provides a better isolation barrier between standalone
3463 	 * ports, as the ATU is bypassed on any intermediate switches
3464 	 * between the incoming port and the CPU.
3465 	 */
3466 	if (dsa_is_downstream_port(ds, port) &&
3467 	    chip->info->ops->port_set_policy) {
3468 		err = chip->info->ops->port_set_policy(chip, port,
3469 						MV88E6XXX_POLICY_MAPPING_VTU,
3470 						MV88E6XXX_POLICY_ACTION_TRAP);
3471 		if (err)
3472 			return err;
3473 	}
3474 
3475 	/* User ports start out in standalone mode and 802.1Q is
3476 	 * therefore disabled. On DSA ports, all valid VIDs are always
3477 	 * loaded in the VTU - therefore, enable 802.1Q in order to take
3478 	 * advantage of VLAN policy on chips that supports it.
3479 	 */
3480 	err = mv88e6xxx_port_set_8021q_mode(chip, port,
3481 				dsa_is_user_port(ds, port) ?
3482 				MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED :
3483 				MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE);
3484 	if (err)
3485 		return err;
3486 
3487 	/* Bind MV88E6XXX_VID_STANDALONE to MV88E6XXX_FID_STANDALONE by
3488 	 * virtue of the fact that mv88e6xxx_atu_new() will pick it as
3489 	 * the first free FID. This will be used as the private PVID for
3490 	 * unbridged ports. Shared (DSA and CPU) ports must also be
3491 	 * members of this VID, in order to trap all frames assigned to
3492 	 * it to the CPU.
3493 	 */
3494 	err = mv88e6xxx_port_vlan_join(chip, port, MV88E6XXX_VID_STANDALONE,
3495 				       MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED,
3496 				       false);
3497 	if (err)
3498 		return err;
3499 
3500 	/* Associate MV88E6XXX_VID_BRIDGED with MV88E6XXX_FID_BRIDGED in the
3501 	 * ATU by virtue of the fact that mv88e6xxx_atu_new() will pick it as
3502 	 * the first free FID after MV88E6XXX_FID_STANDALONE. This will be used
3503 	 * as the private PVID on ports under a VLAN-unaware bridge.
3504 	 * Shared (DSA and CPU) ports must also be members of it, to translate
3505 	 * the VID from the DSA tag into MV88E6XXX_FID_BRIDGED, instead of
3506 	 * relying on their port default FID.
3507 	 */
3508 	err = mv88e6xxx_port_vlan_join(chip, port, MV88E6XXX_VID_BRIDGED,
3509 				       MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED,
3510 				       false);
3511 	if (err)
3512 		return err;
3513 
3514 	if (chip->info->ops->port_set_jumbo_size) {
3515 		err = chip->info->ops->port_set_jumbo_size(chip, port, 10218);
3516 		if (err)
3517 			return err;
3518 	}
3519 
3520 	/* Port Association Vector: disable automatic address learning
3521 	 * on all user ports since they start out in standalone
3522 	 * mode. When joining a bridge, learning will be configured to
3523 	 * match the bridge port settings. Enable learning on all
3524 	 * DSA/CPU ports. NOTE: FROM_CPU frames always bypass the
3525 	 * learning process.
3526 	 *
3527 	 * Disable HoldAt1, IntOnAgeOut, LockedPort, IgnoreWrongData,
3528 	 * and RefreshLocked. I.e. setup standard automatic learning.
3529 	 */
3530 	if (dsa_is_user_port(ds, port))
3531 		reg = 0;
3532 	else
3533 		reg = 1 << port;
3534 
3535 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
3536 				   reg);
3537 	if (err)
3538 		return err;
3539 
3540 	/* Egress rate control 2: disable egress rate control. */
3541 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL2,
3542 				   0x0000);
3543 	if (err)
3544 		return err;
3545 
3546 	if (chip->info->ops->port_pause_limit) {
3547 		err = chip->info->ops->port_pause_limit(chip, port, 0, 0);
3548 		if (err)
3549 			return err;
3550 	}
3551 
3552 	if (chip->info->ops->port_disable_learn_limit) {
3553 		err = chip->info->ops->port_disable_learn_limit(chip, port);
3554 		if (err)
3555 			return err;
3556 	}
3557 
3558 	if (chip->info->ops->port_disable_pri_override) {
3559 		err = chip->info->ops->port_disable_pri_override(chip, port);
3560 		if (err)
3561 			return err;
3562 	}
3563 
3564 	if (chip->info->ops->port_tag_remap) {
3565 		err = chip->info->ops->port_tag_remap(chip, port);
3566 		if (err)
3567 			return err;
3568 	}
3569 
3570 	if (chip->info->ops->port_egress_rate_limiting) {
3571 		err = chip->info->ops->port_egress_rate_limiting(chip, port);
3572 		if (err)
3573 			return err;
3574 	}
3575 
3576 	if (chip->info->ops->port_setup_message_port) {
3577 		err = chip->info->ops->port_setup_message_port(chip, port);
3578 		if (err)
3579 			return err;
3580 	}
3581 
3582 	/* Port based VLAN map: give each port the same default address
3583 	 * database, and allow bidirectional communication between the
3584 	 * CPU and DSA port(s), and the other ports.
3585 	 */
3586 	err = mv88e6xxx_port_set_fid(chip, port, MV88E6XXX_FID_STANDALONE);
3587 	if (err)
3588 		return err;
3589 
3590 	err = mv88e6xxx_port_vlan_map(chip, port);
3591 	if (err)
3592 		return err;
3593 
3594 	/* Default VLAN ID and priority: don't set a default VLAN
3595 	 * ID, and set the default packet priority to zero.
3596 	 */
3597 	return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN, 0);
3598 }
3599 
mv88e6xxx_get_max_mtu(struct dsa_switch * ds,int port)3600 static int mv88e6xxx_get_max_mtu(struct dsa_switch *ds, int port)
3601 {
3602 	struct mv88e6xxx_chip *chip = ds->priv;
3603 
3604 	if (chip->info->ops->port_set_jumbo_size)
3605 		return 10240 - VLAN_ETH_HLEN - EDSA_HLEN - ETH_FCS_LEN;
3606 	else if (chip->info->ops->set_max_frame_size)
3607 		return 1632 - VLAN_ETH_HLEN - EDSA_HLEN - ETH_FCS_LEN;
3608 	return ETH_DATA_LEN;
3609 }
3610 
mv88e6xxx_change_mtu(struct dsa_switch * ds,int port,int new_mtu)3611 static int mv88e6xxx_change_mtu(struct dsa_switch *ds, int port, int new_mtu)
3612 {
3613 	struct mv88e6xxx_chip *chip = ds->priv;
3614 	int ret = 0;
3615 
3616 	/* For families where we don't know how to alter the MTU,
3617 	 * just accept any value up to ETH_DATA_LEN
3618 	 */
3619 	if (!chip->info->ops->port_set_jumbo_size &&
3620 	    !chip->info->ops->set_max_frame_size) {
3621 		if (new_mtu > ETH_DATA_LEN)
3622 			return -EINVAL;
3623 
3624 		return 0;
3625 	}
3626 
3627 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
3628 		new_mtu += EDSA_HLEN;
3629 
3630 	mv88e6xxx_reg_lock(chip);
3631 	if (chip->info->ops->port_set_jumbo_size)
3632 		ret = chip->info->ops->port_set_jumbo_size(chip, port, new_mtu);
3633 	else if (chip->info->ops->set_max_frame_size &&
3634 		 dsa_is_cpu_port(ds, port))
3635 		ret = chip->info->ops->set_max_frame_size(chip, new_mtu);
3636 	mv88e6xxx_reg_unlock(chip);
3637 
3638 	return ret;
3639 }
3640 
mv88e6xxx_set_ageing_time(struct dsa_switch * ds,unsigned int ageing_time)3641 static int mv88e6xxx_set_ageing_time(struct dsa_switch *ds,
3642 				     unsigned int ageing_time)
3643 {
3644 	struct mv88e6xxx_chip *chip = ds->priv;
3645 	int err;
3646 
3647 	mv88e6xxx_reg_lock(chip);
3648 	err = mv88e6xxx_g1_atu_set_age_time(chip, ageing_time);
3649 	mv88e6xxx_reg_unlock(chip);
3650 
3651 	return err;
3652 }
3653 
mv88e6xxx_stats_setup(struct mv88e6xxx_chip * chip)3654 static int mv88e6xxx_stats_setup(struct mv88e6xxx_chip *chip)
3655 {
3656 	int err;
3657 
3658 	/* Initialize the statistics unit */
3659 	if (chip->info->ops->stats_set_histogram) {
3660 		err = chip->info->ops->stats_set_histogram(chip);
3661 		if (err)
3662 			return err;
3663 	}
3664 
3665 	return mv88e6xxx_g1_stats_clear(chip);
3666 }
3667 
mv88e6320_setup_errata(struct mv88e6xxx_chip * chip)3668 static int mv88e6320_setup_errata(struct mv88e6xxx_chip *chip)
3669 {
3670 	u16 dummy;
3671 	int err;
3672 
3673 	/* Workaround for erratum
3674 	 *   3.3 RGMII timing may be out of spec when transmit delay is enabled
3675 	 */
3676 	err = mv88e6xxx_port_hidden_write(chip, 0, 0xf, 0x7, 0xe000);
3677 	if (err)
3678 		return err;
3679 
3680 	return mv88e6xxx_port_hidden_read(chip, 0, 0xf, 0x7, &dummy);
3681 }
3682 
3683 /* Check if the errata has already been applied. */
mv88e6390_setup_errata_applied(struct mv88e6xxx_chip * chip)3684 static bool mv88e6390_setup_errata_applied(struct mv88e6xxx_chip *chip)
3685 {
3686 	int port;
3687 	int err;
3688 	u16 val;
3689 
3690 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3691 		err = mv88e6xxx_port_hidden_read(chip, 0xf, port, 0, &val);
3692 		if (err) {
3693 			dev_err(chip->dev,
3694 				"Error reading hidden register: %d\n", err);
3695 			return false;
3696 		}
3697 		if (val != 0x01c0)
3698 			return false;
3699 	}
3700 
3701 	return true;
3702 }
3703 
3704 /* The 6390 copper ports have an errata which require poking magic
3705  * values into undocumented hidden registers and then performing a
3706  * software reset.
3707  */
mv88e6390_setup_errata(struct mv88e6xxx_chip * chip)3708 static int mv88e6390_setup_errata(struct mv88e6xxx_chip *chip)
3709 {
3710 	int port;
3711 	int err;
3712 
3713 	if (mv88e6390_setup_errata_applied(chip))
3714 		return 0;
3715 
3716 	/* Set the ports into blocking mode */
3717 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3718 		err = mv88e6xxx_port_set_state(chip, port, BR_STATE_DISABLED);
3719 		if (err)
3720 			return err;
3721 	}
3722 
3723 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3724 		err = mv88e6xxx_port_hidden_write(chip, 0xf, port, 0, 0x01c0);
3725 		if (err)
3726 			return err;
3727 	}
3728 
3729 	return mv88e6xxx_software_reset(chip);
3730 }
3731 
3732 /* prod_id for switch families which do not have a PHY model number */
3733 static const u16 family_prod_id_table[] = {
3734 	[MV88E6XXX_FAMILY_6341] = MV88E6XXX_PORT_SWITCH_ID_PROD_6341,
3735 	[MV88E6XXX_FAMILY_6390] = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
3736 	[MV88E6XXX_FAMILY_6393] = MV88E6XXX_PORT_SWITCH_ID_PROD_6393X,
3737 };
3738 
mv88e6xxx_mdio_read(struct mii_bus * bus,int phy,int reg)3739 static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
3740 {
3741 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3742 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3743 	u16 prod_id;
3744 	u16 val;
3745 	int err;
3746 
3747 	if (!chip->info->ops->phy_read)
3748 		return -EOPNOTSUPP;
3749 
3750 	mv88e6xxx_reg_lock(chip);
3751 	err = chip->info->ops->phy_read(chip, bus, phy, reg, &val);
3752 	mv88e6xxx_reg_unlock(chip);
3753 
3754 	/* Some internal PHYs don't have a model number. */
3755 	if (reg == MII_PHYSID2 && !(val & 0x3f0) &&
3756 	    chip->info->family < ARRAY_SIZE(family_prod_id_table)) {
3757 		prod_id = family_prod_id_table[chip->info->family];
3758 		if (prod_id)
3759 			val |= prod_id >> 4;
3760 	}
3761 
3762 	return err ? err : val;
3763 }
3764 
mv88e6xxx_mdio_read_c45(struct mii_bus * bus,int phy,int devad,int reg)3765 static int mv88e6xxx_mdio_read_c45(struct mii_bus *bus, int phy, int devad,
3766 				   int reg)
3767 {
3768 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3769 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3770 	u16 val;
3771 	int err;
3772 
3773 	if (!chip->info->ops->phy_read_c45)
3774 		return -ENODEV;
3775 
3776 	mv88e6xxx_reg_lock(chip);
3777 	err = chip->info->ops->phy_read_c45(chip, bus, phy, devad, reg, &val);
3778 	mv88e6xxx_reg_unlock(chip);
3779 
3780 	return err ? err : val;
3781 }
3782 
mv88e6xxx_mdio_write(struct mii_bus * bus,int phy,int reg,u16 val)3783 static int mv88e6xxx_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val)
3784 {
3785 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3786 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3787 	int err;
3788 
3789 	if (!chip->info->ops->phy_write)
3790 		return -EOPNOTSUPP;
3791 
3792 	mv88e6xxx_reg_lock(chip);
3793 	err = chip->info->ops->phy_write(chip, bus, phy, reg, val);
3794 	mv88e6xxx_reg_unlock(chip);
3795 
3796 	return err;
3797 }
3798 
mv88e6xxx_mdio_write_c45(struct mii_bus * bus,int phy,int devad,int reg,u16 val)3799 static int mv88e6xxx_mdio_write_c45(struct mii_bus *bus, int phy, int devad,
3800 				    int reg, u16 val)
3801 {
3802 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3803 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3804 	int err;
3805 
3806 	if (!chip->info->ops->phy_write_c45)
3807 		return -EOPNOTSUPP;
3808 
3809 	mv88e6xxx_reg_lock(chip);
3810 	err = chip->info->ops->phy_write_c45(chip, bus, phy, devad, reg, val);
3811 	mv88e6xxx_reg_unlock(chip);
3812 
3813 	return err;
3814 }
3815 
mv88e6xxx_mdio_register(struct mv88e6xxx_chip * chip,struct device_node * np,bool external)3816 static int mv88e6xxx_mdio_register(struct mv88e6xxx_chip *chip,
3817 				   struct device_node *np,
3818 				   bool external)
3819 {
3820 	static int index;
3821 	struct mv88e6xxx_mdio_bus *mdio_bus;
3822 	struct mii_bus *bus;
3823 	int err;
3824 
3825 	if (external) {
3826 		mv88e6xxx_reg_lock(chip);
3827 		if (chip->info->family == MV88E6XXX_FAMILY_6393)
3828 			err = mv88e6393x_g2_scratch_gpio_set_smi(chip, true);
3829 		else
3830 			err = mv88e6390_g2_scratch_gpio_set_smi(chip, true);
3831 		mv88e6xxx_reg_unlock(chip);
3832 
3833 		if (err)
3834 			return err;
3835 	}
3836 
3837 	bus = mdiobus_alloc_size(sizeof(*mdio_bus));
3838 	if (!bus)
3839 		return -ENOMEM;
3840 
3841 	mdio_bus = bus->priv;
3842 	mdio_bus->bus = bus;
3843 	mdio_bus->chip = chip;
3844 	INIT_LIST_HEAD(&mdio_bus->list);
3845 	mdio_bus->external = external;
3846 
3847 	if (np) {
3848 		bus->name = np->full_name;
3849 		snprintf(bus->id, MII_BUS_ID_SIZE, "%pOF", np);
3850 	} else {
3851 		bus->name = "mv88e6xxx SMI";
3852 		snprintf(bus->id, MII_BUS_ID_SIZE, "mv88e6xxx-%d", index++);
3853 	}
3854 
3855 	bus->read = mv88e6xxx_mdio_read;
3856 	bus->write = mv88e6xxx_mdio_write;
3857 	bus->read_c45 = mv88e6xxx_mdio_read_c45;
3858 	bus->write_c45 = mv88e6xxx_mdio_write_c45;
3859 	bus->parent = chip->dev;
3860 	bus->phy_mask = ~GENMASK(chip->info->phy_base_addr +
3861 				 mv88e6xxx_num_ports(chip) - 1,
3862 				 chip->info->phy_base_addr);
3863 
3864 	if (!external) {
3865 		err = mv88e6xxx_g2_irq_mdio_setup(chip, bus);
3866 		if (err)
3867 			goto out;
3868 	}
3869 
3870 	err = of_mdiobus_register(bus, np);
3871 	if (err) {
3872 		dev_err(chip->dev, "Cannot register MDIO bus (%d)\n", err);
3873 		mv88e6xxx_g2_irq_mdio_free(chip, bus);
3874 		goto out;
3875 	}
3876 
3877 	if (external)
3878 		list_add_tail(&mdio_bus->list, &chip->mdios);
3879 	else
3880 		list_add(&mdio_bus->list, &chip->mdios);
3881 
3882 	return 0;
3883 
3884 out:
3885 	mdiobus_free(bus);
3886 	return err;
3887 }
3888 
mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip * chip)3889 static void mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip *chip)
3890 
3891 {
3892 	struct mv88e6xxx_mdio_bus *mdio_bus, *p;
3893 	struct mii_bus *bus;
3894 
3895 	list_for_each_entry_safe(mdio_bus, p, &chip->mdios, list) {
3896 		bus = mdio_bus->bus;
3897 
3898 		if (!mdio_bus->external)
3899 			mv88e6xxx_g2_irq_mdio_free(chip, bus);
3900 
3901 		mdiobus_unregister(bus);
3902 		mdiobus_free(bus);
3903 	}
3904 }
3905 
mv88e6xxx_mdios_register(struct mv88e6xxx_chip * chip)3906 static int mv88e6xxx_mdios_register(struct mv88e6xxx_chip *chip)
3907 {
3908 	struct device_node *np = chip->dev->of_node;
3909 	struct device_node *child;
3910 	int err;
3911 
3912 	/* Always register one mdio bus for the internal/default mdio
3913 	 * bus. This maybe represented in the device tree, but is
3914 	 * optional.
3915 	 */
3916 	child = of_get_child_by_name(np, "mdio");
3917 	err = mv88e6xxx_mdio_register(chip, child, false);
3918 	of_node_put(child);
3919 	if (err)
3920 		return err;
3921 
3922 	/* Walk the device tree, and see if there are any other nodes
3923 	 * which say they are compatible with the external mdio
3924 	 * bus.
3925 	 */
3926 	for_each_available_child_of_node(np, child) {
3927 		if (of_device_is_compatible(
3928 			    child, "marvell,mv88e6xxx-mdio-external")) {
3929 			err = mv88e6xxx_mdio_register(chip, child, true);
3930 			if (err) {
3931 				mv88e6xxx_mdios_unregister(chip);
3932 				of_node_put(child);
3933 				return err;
3934 			}
3935 		}
3936 	}
3937 
3938 	return 0;
3939 }
3940 
mv88e6xxx_teardown(struct dsa_switch * ds)3941 static void mv88e6xxx_teardown(struct dsa_switch *ds)
3942 {
3943 	struct mv88e6xxx_chip *chip = ds->priv;
3944 
3945 	mv88e6xxx_teardown_devlink_params(ds);
3946 	dsa_devlink_resources_unregister(ds);
3947 	mv88e6xxx_teardown_devlink_regions_global(ds);
3948 	mv88e6xxx_hwtstamp_free(chip);
3949 	mv88e6xxx_ptp_free(chip);
3950 	mv88e6xxx_mdios_unregister(chip);
3951 }
3952 
mv88e6xxx_setup(struct dsa_switch * ds)3953 static int mv88e6xxx_setup(struct dsa_switch *ds)
3954 {
3955 	struct mv88e6xxx_chip *chip = ds->priv;
3956 	u8 cmode;
3957 	int err;
3958 	int i;
3959 
3960 	err = mv88e6xxx_mdios_register(chip);
3961 	if (err)
3962 		return err;
3963 
3964 	chip->ds = ds;
3965 	ds->user_mii_bus = mv88e6xxx_default_mdio_bus(chip);
3966 
3967 	/* Since virtual bridges are mapped in the PVT, the number we support
3968 	 * depends on the physical switch topology. We need to let DSA figure
3969 	 * that out and therefore we cannot set this at dsa_register_switch()
3970 	 * time.
3971 	 */
3972 	if (mv88e6xxx_has_pvt(chip))
3973 		ds->max_num_bridges = MV88E6XXX_MAX_PVT_SWITCHES -
3974 				      ds->dst->last_switch - 1;
3975 
3976 	mv88e6xxx_reg_lock(chip);
3977 
3978 	if (chip->info->ops->setup_errata) {
3979 		err = chip->info->ops->setup_errata(chip);
3980 		if (err)
3981 			goto unlock;
3982 	}
3983 
3984 	/* Cache the cmode of each port. */
3985 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
3986 		if (chip->info->ops->port_get_cmode) {
3987 			err = chip->info->ops->port_get_cmode(chip, i, &cmode);
3988 			if (err)
3989 				goto unlock;
3990 
3991 			chip->ports[i].cmode = cmode;
3992 		}
3993 	}
3994 
3995 	err = mv88e6xxx_vtu_setup(chip);
3996 	if (err)
3997 		goto unlock;
3998 
3999 	/* Must be called after mv88e6xxx_vtu_setup (which flushes the
4000 	 * VTU, thereby also flushing the STU).
4001 	 */
4002 	err = mv88e6xxx_stu_setup(chip);
4003 	if (err)
4004 		goto unlock;
4005 
4006 	/* Setup Switch Port Registers */
4007 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
4008 		if (dsa_is_unused_port(ds, i))
4009 			continue;
4010 
4011 		/* Prevent the use of an invalid port. */
4012 		if (mv88e6xxx_is_invalid_port(chip, i)) {
4013 			dev_err(chip->dev, "port %d is invalid\n", i);
4014 			err = -EINVAL;
4015 			goto unlock;
4016 		}
4017 
4018 		err = mv88e6xxx_setup_port(chip, i);
4019 		if (err)
4020 			goto unlock;
4021 	}
4022 
4023 	err = mv88e6xxx_irl_setup(chip);
4024 	if (err)
4025 		goto unlock;
4026 
4027 	err = mv88e6xxx_mac_setup(chip);
4028 	if (err)
4029 		goto unlock;
4030 
4031 	err = mv88e6xxx_phy_setup(chip);
4032 	if (err)
4033 		goto unlock;
4034 
4035 	err = mv88e6xxx_pvt_setup(chip);
4036 	if (err)
4037 		goto unlock;
4038 
4039 	err = mv88e6xxx_atu_setup(chip);
4040 	if (err)
4041 		goto unlock;
4042 
4043 	err = mv88e6xxx_broadcast_setup(chip, 0);
4044 	if (err)
4045 		goto unlock;
4046 
4047 	err = mv88e6xxx_pot_setup(chip);
4048 	if (err)
4049 		goto unlock;
4050 
4051 	err = mv88e6xxx_rmu_setup(chip);
4052 	if (err)
4053 		goto unlock;
4054 
4055 	err = mv88e6xxx_rsvd2cpu_setup(chip);
4056 	if (err)
4057 		goto unlock;
4058 
4059 	err = mv88e6xxx_trunk_setup(chip);
4060 	if (err)
4061 		goto unlock;
4062 
4063 	err = mv88e6xxx_devmap_setup(chip);
4064 	if (err)
4065 		goto unlock;
4066 
4067 	err = mv88e6xxx_pri_setup(chip);
4068 	if (err)
4069 		goto unlock;
4070 
4071 	/* Setup PTP Hardware Clock and timestamping */
4072 	if (chip->info->ptp_support) {
4073 		err = mv88e6xxx_ptp_setup(chip);
4074 		if (err)
4075 			goto unlock;
4076 
4077 		err = mv88e6xxx_hwtstamp_setup(chip);
4078 		if (err)
4079 			goto unlock;
4080 	}
4081 
4082 	err = mv88e6xxx_stats_setup(chip);
4083 	if (err)
4084 		goto unlock;
4085 
4086 unlock:
4087 	mv88e6xxx_reg_unlock(chip);
4088 
4089 	if (err)
4090 		goto out_hwtstamp;
4091 
4092 	/* Have to be called without holding the register lock, since
4093 	 * they take the devlink lock, and we later take the locks in
4094 	 * the reverse order when getting/setting parameters or
4095 	 * resource occupancy.
4096 	 */
4097 	err = mv88e6xxx_setup_devlink_resources(ds);
4098 	if (err)
4099 		goto out_hwtstamp;
4100 
4101 	err = mv88e6xxx_setup_devlink_params(ds);
4102 	if (err)
4103 		goto out_resources;
4104 
4105 	err = mv88e6xxx_setup_devlink_regions_global(ds);
4106 	if (err)
4107 		goto out_params;
4108 
4109 	return 0;
4110 
4111 out_params:
4112 	mv88e6xxx_teardown_devlink_params(ds);
4113 out_resources:
4114 	dsa_devlink_resources_unregister(ds);
4115 out_hwtstamp:
4116 	mv88e6xxx_hwtstamp_free(chip);
4117 	mv88e6xxx_ptp_free(chip);
4118 	mv88e6xxx_mdios_unregister(chip);
4119 
4120 	return err;
4121 }
4122 
mv88e6xxx_port_setup(struct dsa_switch * ds,int port)4123 static int mv88e6xxx_port_setup(struct dsa_switch *ds, int port)
4124 {
4125 	struct mv88e6xxx_chip *chip = ds->priv;
4126 	int err;
4127 
4128 	if (chip->info->ops->pcs_ops &&
4129 	    chip->info->ops->pcs_ops->pcs_init) {
4130 		err = chip->info->ops->pcs_ops->pcs_init(chip, port);
4131 		if (err)
4132 			return err;
4133 	}
4134 
4135 	return mv88e6xxx_setup_devlink_regions_port(ds, port);
4136 }
4137 
mv88e6xxx_port_teardown(struct dsa_switch * ds,int port)4138 static void mv88e6xxx_port_teardown(struct dsa_switch *ds, int port)
4139 {
4140 	struct mv88e6xxx_chip *chip = ds->priv;
4141 
4142 	mv88e6xxx_teardown_devlink_regions_port(ds, port);
4143 
4144 	if (chip->info->ops->pcs_ops &&
4145 	    chip->info->ops->pcs_ops->pcs_teardown)
4146 		chip->info->ops->pcs_ops->pcs_teardown(chip, port);
4147 }
4148 
mv88e6xxx_get_eeprom_len(struct dsa_switch * ds)4149 static int mv88e6xxx_get_eeprom_len(struct dsa_switch *ds)
4150 {
4151 	struct mv88e6xxx_chip *chip = ds->priv;
4152 
4153 	return chip->eeprom_len;
4154 }
4155 
mv88e6xxx_get_eeprom(struct dsa_switch * ds,struct ethtool_eeprom * eeprom,u8 * data)4156 static int mv88e6xxx_get_eeprom(struct dsa_switch *ds,
4157 				struct ethtool_eeprom *eeprom, u8 *data)
4158 {
4159 	struct mv88e6xxx_chip *chip = ds->priv;
4160 	int err;
4161 
4162 	if (!chip->info->ops->get_eeprom)
4163 		return -EOPNOTSUPP;
4164 
4165 	mv88e6xxx_reg_lock(chip);
4166 	err = chip->info->ops->get_eeprom(chip, eeprom, data);
4167 	mv88e6xxx_reg_unlock(chip);
4168 
4169 	if (err)
4170 		return err;
4171 
4172 	eeprom->magic = 0xc3ec4951;
4173 
4174 	return 0;
4175 }
4176 
mv88e6xxx_set_eeprom(struct dsa_switch * ds,struct ethtool_eeprom * eeprom,u8 * data)4177 static int mv88e6xxx_set_eeprom(struct dsa_switch *ds,
4178 				struct ethtool_eeprom *eeprom, u8 *data)
4179 {
4180 	struct mv88e6xxx_chip *chip = ds->priv;
4181 	int err;
4182 
4183 	if (!chip->info->ops->set_eeprom)
4184 		return -EOPNOTSUPP;
4185 
4186 	if (eeprom->magic != 0xc3ec4951)
4187 		return -EINVAL;
4188 
4189 	mv88e6xxx_reg_lock(chip);
4190 	err = chip->info->ops->set_eeprom(chip, eeprom, data);
4191 	mv88e6xxx_reg_unlock(chip);
4192 
4193 	return err;
4194 }
4195 
4196 static const struct mv88e6xxx_ops mv88e6085_ops = {
4197 	/* MV88E6XXX_FAMILY_6097 */
4198 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4199 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4200 	.irl_init_all = mv88e6352_g2_irl_init_all,
4201 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4202 	.phy_read = mv88e6185_phy_ppu_read,
4203 	.phy_write = mv88e6185_phy_ppu_write,
4204 	.port_set_link = mv88e6xxx_port_set_link,
4205 	.port_sync_link = mv88e6xxx_port_sync_link,
4206 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4207 	.port_tag_remap = mv88e6095_port_tag_remap,
4208 	.port_set_policy = mv88e6352_port_set_policy,
4209 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4210 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4211 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4212 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4213 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4214 	.port_pause_limit = mv88e6097_port_pause_limit,
4215 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4216 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4217 	.port_get_cmode = mv88e6185_port_get_cmode,
4218 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4219 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4220 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4221 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4222 	.stats_get_strings = mv88e6095_stats_get_strings,
4223 	.stats_get_stat = mv88e6095_stats_get_stat,
4224 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4225 	.set_egress_port = mv88e6095_g1_set_egress_port,
4226 	.watchdog_ops = &mv88e6097_watchdog_ops,
4227 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4228 	.pot_clear = mv88e6xxx_g2_pot_clear,
4229 	.ppu_enable = mv88e6185_g1_ppu_enable,
4230 	.ppu_disable = mv88e6185_g1_ppu_disable,
4231 	.reset = mv88e6185_g1_reset,
4232 	.rmu_disable = mv88e6085_g1_rmu_disable,
4233 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4234 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4235 	.stu_getnext = mv88e6352_g1_stu_getnext,
4236 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4237 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4238 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4239 };
4240 
4241 static const struct mv88e6xxx_ops mv88e6095_ops = {
4242 	/* MV88E6XXX_FAMILY_6095 */
4243 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4244 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4245 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4246 	.phy_read = mv88e6185_phy_ppu_read,
4247 	.phy_write = mv88e6185_phy_ppu_write,
4248 	.port_set_link = mv88e6xxx_port_set_link,
4249 	.port_sync_link = mv88e6185_port_sync_link,
4250 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4251 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
4252 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
4253 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
4254 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
4255 	.port_get_cmode = mv88e6185_port_get_cmode,
4256 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4257 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4258 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4259 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4260 	.stats_get_strings = mv88e6095_stats_get_strings,
4261 	.stats_get_stat = mv88e6095_stats_get_stat,
4262 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
4263 	.ppu_enable = mv88e6185_g1_ppu_enable,
4264 	.ppu_disable = mv88e6185_g1_ppu_disable,
4265 	.reset = mv88e6185_g1_reset,
4266 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4267 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4268 	.phylink_get_caps = mv88e6095_phylink_get_caps,
4269 	.pcs_ops = &mv88e6185_pcs_ops,
4270 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4271 };
4272 
4273 static const struct mv88e6xxx_ops mv88e6097_ops = {
4274 	/* MV88E6XXX_FAMILY_6097 */
4275 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4276 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4277 	.irl_init_all = mv88e6352_g2_irl_init_all,
4278 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4279 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4280 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4281 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4282 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4283 	.port_set_link = mv88e6xxx_port_set_link,
4284 	.port_sync_link = mv88e6185_port_sync_link,
4285 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4286 	.port_tag_remap = mv88e6095_port_tag_remap,
4287 	.port_set_policy = mv88e6352_port_set_policy,
4288 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4289 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4290 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4291 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4292 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
4293 	.port_pause_limit = mv88e6097_port_pause_limit,
4294 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4295 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4296 	.port_get_cmode = mv88e6185_port_get_cmode,
4297 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4298 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4299 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4300 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4301 	.stats_get_strings = mv88e6095_stats_get_strings,
4302 	.stats_get_stat = mv88e6095_stats_get_stat,
4303 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4304 	.set_egress_port = mv88e6095_g1_set_egress_port,
4305 	.watchdog_ops = &mv88e6097_watchdog_ops,
4306 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4307 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4308 	.pot_clear = mv88e6xxx_g2_pot_clear,
4309 	.reset = mv88e6352_g1_reset,
4310 	.rmu_disable = mv88e6085_g1_rmu_disable,
4311 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4312 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4313 	.phylink_get_caps = mv88e6095_phylink_get_caps,
4314 	.pcs_ops = &mv88e6185_pcs_ops,
4315 	.stu_getnext = mv88e6352_g1_stu_getnext,
4316 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4317 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4318 };
4319 
4320 static const struct mv88e6xxx_ops mv88e6123_ops = {
4321 	/* MV88E6XXX_FAMILY_6165 */
4322 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4323 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4324 	.irl_init_all = mv88e6352_g2_irl_init_all,
4325 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4326 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4327 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4328 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4329 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4330 	.port_set_link = mv88e6xxx_port_set_link,
4331 	.port_sync_link = mv88e6xxx_port_sync_link,
4332 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4333 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
4334 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4335 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4336 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4337 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4338 	.port_get_cmode = mv88e6185_port_get_cmode,
4339 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4340 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4341 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4342 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4343 	.stats_get_strings = mv88e6095_stats_get_strings,
4344 	.stats_get_stat = mv88e6095_stats_get_stat,
4345 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4346 	.set_egress_port = mv88e6095_g1_set_egress_port,
4347 	.watchdog_ops = &mv88e6097_watchdog_ops,
4348 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4349 	.pot_clear = mv88e6xxx_g2_pot_clear,
4350 	.reset = mv88e6352_g1_reset,
4351 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4352 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4353 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4354 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4355 	.stu_getnext = mv88e6352_g1_stu_getnext,
4356 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4357 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4358 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4359 };
4360 
4361 static const struct mv88e6xxx_ops mv88e6131_ops = {
4362 	/* MV88E6XXX_FAMILY_6185 */
4363 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4364 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4365 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4366 	.phy_read = mv88e6185_phy_ppu_read,
4367 	.phy_write = mv88e6185_phy_ppu_write,
4368 	.port_set_link = mv88e6xxx_port_set_link,
4369 	.port_sync_link = mv88e6xxx_port_sync_link,
4370 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4371 	.port_tag_remap = mv88e6095_port_tag_remap,
4372 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4373 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
4374 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
4375 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4376 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
4377 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4378 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4379 	.port_pause_limit = mv88e6097_port_pause_limit,
4380 	.port_set_pause = mv88e6185_port_set_pause,
4381 	.port_get_cmode = mv88e6185_port_get_cmode,
4382 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4383 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4384 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4385 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4386 	.stats_get_strings = mv88e6095_stats_get_strings,
4387 	.stats_get_stat = mv88e6095_stats_get_stat,
4388 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4389 	.set_egress_port = mv88e6095_g1_set_egress_port,
4390 	.watchdog_ops = &mv88e6097_watchdog_ops,
4391 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
4392 	.ppu_enable = mv88e6185_g1_ppu_enable,
4393 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
4394 	.ppu_disable = mv88e6185_g1_ppu_disable,
4395 	.reset = mv88e6185_g1_reset,
4396 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4397 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4398 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4399 };
4400 
4401 static const struct mv88e6xxx_ops mv88e6141_ops = {
4402 	/* MV88E6XXX_FAMILY_6341 */
4403 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4404 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4405 	.irl_init_all = mv88e6352_g2_irl_init_all,
4406 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4407 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4408 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4409 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4410 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4411 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4412 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4413 	.port_set_link = mv88e6xxx_port_set_link,
4414 	.port_sync_link = mv88e6xxx_port_sync_link,
4415 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4416 	.port_set_speed_duplex = mv88e6341_port_set_speed_duplex,
4417 	.port_max_speed_mode = mv88e6341_port_max_speed_mode,
4418 	.port_tag_remap = mv88e6095_port_tag_remap,
4419 	.port_set_policy = mv88e6352_port_set_policy,
4420 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4421 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4422 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4423 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4424 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4425 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4426 	.port_pause_limit = mv88e6097_port_pause_limit,
4427 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4428 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4429 	.port_get_cmode = mv88e6352_port_get_cmode,
4430 	.port_set_cmode = mv88e6341_port_set_cmode,
4431 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4432 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4433 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4434 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4435 	.stats_get_strings = mv88e6320_stats_get_strings,
4436 	.stats_get_stat = mv88e6390_stats_get_stat,
4437 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4438 	.set_egress_port = mv88e6390_g1_set_egress_port,
4439 	.watchdog_ops = &mv88e6390_watchdog_ops,
4440 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
4441 	.pot_clear = mv88e6xxx_g2_pot_clear,
4442 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4443 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4444 	.reset = mv88e6352_g1_reset,
4445 	.rmu_disable = mv88e6390_g1_rmu_disable,
4446 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4447 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4448 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4449 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4450 	.stu_getnext = mv88e6352_g1_stu_getnext,
4451 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4452 	.serdes_get_lane = mv88e6341_serdes_get_lane,
4453 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4454 	.gpio_ops = &mv88e6352_gpio_ops,
4455 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
4456 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4457 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4458 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4459 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4460 	.phylink_get_caps = mv88e6341_phylink_get_caps,
4461 	.pcs_ops = &mv88e6390_pcs_ops,
4462 };
4463 
4464 static const struct mv88e6xxx_ops mv88e6161_ops = {
4465 	/* MV88E6XXX_FAMILY_6165 */
4466 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4467 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4468 	.irl_init_all = mv88e6352_g2_irl_init_all,
4469 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4470 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4471 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4472 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4473 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4474 	.port_set_link = mv88e6xxx_port_set_link,
4475 	.port_sync_link = mv88e6xxx_port_sync_link,
4476 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4477 	.port_tag_remap = mv88e6095_port_tag_remap,
4478 	.port_set_policy = mv88e6352_port_set_policy,
4479 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4480 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4481 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4482 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4483 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4484 	.port_pause_limit = mv88e6097_port_pause_limit,
4485 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4486 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4487 	.port_get_cmode = mv88e6185_port_get_cmode,
4488 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4489 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4490 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4491 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4492 	.stats_get_strings = mv88e6095_stats_get_strings,
4493 	.stats_get_stat = mv88e6095_stats_get_stat,
4494 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4495 	.set_egress_port = mv88e6095_g1_set_egress_port,
4496 	.watchdog_ops = &mv88e6097_watchdog_ops,
4497 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4498 	.pot_clear = mv88e6xxx_g2_pot_clear,
4499 	.reset = mv88e6352_g1_reset,
4500 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4501 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4502 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4503 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4504 	.stu_getnext = mv88e6352_g1_stu_getnext,
4505 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4506 	.avb_ops = &mv88e6165_avb_ops,
4507 	.ptp_ops = &mv88e6165_ptp_ops,
4508 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4509 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4510 };
4511 
4512 static const struct mv88e6xxx_ops mv88e6165_ops = {
4513 	/* MV88E6XXX_FAMILY_6165 */
4514 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4515 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4516 	.irl_init_all = mv88e6352_g2_irl_init_all,
4517 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4518 	.phy_read = mv88e6165_phy_read,
4519 	.phy_write = mv88e6165_phy_write,
4520 	.port_set_link = mv88e6xxx_port_set_link,
4521 	.port_sync_link = mv88e6xxx_port_sync_link,
4522 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4523 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4524 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4525 	.port_get_cmode = mv88e6185_port_get_cmode,
4526 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4527 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4528 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4529 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4530 	.stats_get_strings = mv88e6095_stats_get_strings,
4531 	.stats_get_stat = mv88e6095_stats_get_stat,
4532 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4533 	.set_egress_port = mv88e6095_g1_set_egress_port,
4534 	.watchdog_ops = &mv88e6097_watchdog_ops,
4535 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4536 	.pot_clear = mv88e6xxx_g2_pot_clear,
4537 	.reset = mv88e6352_g1_reset,
4538 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4539 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4540 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4541 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4542 	.stu_getnext = mv88e6352_g1_stu_getnext,
4543 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4544 	.avb_ops = &mv88e6165_avb_ops,
4545 	.ptp_ops = &mv88e6165_ptp_ops,
4546 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4547 };
4548 
4549 static const struct mv88e6xxx_ops mv88e6171_ops = {
4550 	/* MV88E6XXX_FAMILY_6351 */
4551 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4552 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4553 	.irl_init_all = mv88e6352_g2_irl_init_all,
4554 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4555 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4556 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4557 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4558 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4559 	.port_set_link = mv88e6xxx_port_set_link,
4560 	.port_sync_link = mv88e6xxx_port_sync_link,
4561 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4562 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4563 	.port_tag_remap = mv88e6095_port_tag_remap,
4564 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4565 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4566 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4567 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4568 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4569 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4570 	.port_pause_limit = mv88e6097_port_pause_limit,
4571 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4572 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4573 	.port_get_cmode = mv88e6352_port_get_cmode,
4574 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4575 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4576 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4577 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4578 	.stats_get_strings = mv88e6095_stats_get_strings,
4579 	.stats_get_stat = mv88e6095_stats_get_stat,
4580 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4581 	.set_egress_port = mv88e6095_g1_set_egress_port,
4582 	.watchdog_ops = &mv88e6097_watchdog_ops,
4583 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4584 	.pot_clear = mv88e6xxx_g2_pot_clear,
4585 	.reset = mv88e6352_g1_reset,
4586 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4587 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4588 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4589 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4590 	.stu_getnext = mv88e6352_g1_stu_getnext,
4591 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4592 	.phylink_get_caps = mv88e6351_phylink_get_caps,
4593 };
4594 
4595 static const struct mv88e6xxx_ops mv88e6172_ops = {
4596 	/* MV88E6XXX_FAMILY_6352 */
4597 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4598 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4599 	.irl_init_all = mv88e6352_g2_irl_init_all,
4600 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4601 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4602 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4603 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4604 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4605 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4606 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4607 	.port_set_link = mv88e6xxx_port_set_link,
4608 	.port_sync_link = mv88e6xxx_port_sync_link,
4609 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4610 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4611 	.port_tag_remap = mv88e6095_port_tag_remap,
4612 	.port_set_policy = mv88e6352_port_set_policy,
4613 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4614 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4615 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4616 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4617 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4618 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4619 	.port_pause_limit = mv88e6097_port_pause_limit,
4620 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4621 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4622 	.port_get_cmode = mv88e6352_port_get_cmode,
4623 	.port_setup_leds = mv88e6xxx_port_setup_leds,
4624 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4625 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4626 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4627 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4628 	.stats_get_strings = mv88e6095_stats_get_strings,
4629 	.stats_get_stat = mv88e6095_stats_get_stat,
4630 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4631 	.set_egress_port = mv88e6095_g1_set_egress_port,
4632 	.watchdog_ops = &mv88e6097_watchdog_ops,
4633 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4634 	.pot_clear = mv88e6xxx_g2_pot_clear,
4635 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4636 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4637 	.reset = mv88e6352_g1_reset,
4638 	.rmu_disable = mv88e6352_g1_rmu_disable,
4639 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4640 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4641 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4642 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4643 	.stu_getnext = mv88e6352_g1_stu_getnext,
4644 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4645 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
4646 	.serdes_get_regs = mv88e6352_serdes_get_regs,
4647 	.gpio_ops = &mv88e6352_gpio_ops,
4648 	.phylink_get_caps = mv88e6352_phylink_get_caps,
4649 	.pcs_ops = &mv88e6352_pcs_ops,
4650 };
4651 
4652 static const struct mv88e6xxx_ops mv88e6175_ops = {
4653 	/* MV88E6XXX_FAMILY_6351 */
4654 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4655 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4656 	.irl_init_all = mv88e6352_g2_irl_init_all,
4657 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4658 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4659 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4660 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4661 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4662 	.port_set_link = mv88e6xxx_port_set_link,
4663 	.port_sync_link = mv88e6xxx_port_sync_link,
4664 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4665 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4666 	.port_tag_remap = mv88e6095_port_tag_remap,
4667 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4668 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4669 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4670 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4671 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4672 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4673 	.port_pause_limit = mv88e6097_port_pause_limit,
4674 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4675 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4676 	.port_get_cmode = mv88e6352_port_get_cmode,
4677 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4678 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4679 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4680 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4681 	.stats_get_strings = mv88e6095_stats_get_strings,
4682 	.stats_get_stat = mv88e6095_stats_get_stat,
4683 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4684 	.set_egress_port = mv88e6095_g1_set_egress_port,
4685 	.watchdog_ops = &mv88e6097_watchdog_ops,
4686 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4687 	.pot_clear = mv88e6xxx_g2_pot_clear,
4688 	.reset = mv88e6352_g1_reset,
4689 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4690 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4691 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4692 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4693 	.stu_getnext = mv88e6352_g1_stu_getnext,
4694 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4695 	.phylink_get_caps = mv88e6351_phylink_get_caps,
4696 };
4697 
4698 static const struct mv88e6xxx_ops mv88e6176_ops = {
4699 	/* MV88E6XXX_FAMILY_6352 */
4700 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4701 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4702 	.irl_init_all = mv88e6352_g2_irl_init_all,
4703 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4704 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4705 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4706 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4707 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4708 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4709 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4710 	.port_set_link = mv88e6xxx_port_set_link,
4711 	.port_sync_link = mv88e6xxx_port_sync_link,
4712 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4713 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4714 	.port_tag_remap = mv88e6095_port_tag_remap,
4715 	.port_set_policy = mv88e6352_port_set_policy,
4716 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4717 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4718 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4719 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4720 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4721 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4722 	.port_pause_limit = mv88e6097_port_pause_limit,
4723 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4724 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4725 	.port_get_cmode = mv88e6352_port_get_cmode,
4726 	.port_setup_leds = mv88e6xxx_port_setup_leds,
4727 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4728 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4729 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4730 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4731 	.stats_get_strings = mv88e6095_stats_get_strings,
4732 	.stats_get_stat = mv88e6095_stats_get_stat,
4733 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4734 	.set_egress_port = mv88e6095_g1_set_egress_port,
4735 	.watchdog_ops = &mv88e6097_watchdog_ops,
4736 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4737 	.pot_clear = mv88e6xxx_g2_pot_clear,
4738 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4739 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4740 	.reset = mv88e6352_g1_reset,
4741 	.rmu_disable = mv88e6352_g1_rmu_disable,
4742 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4743 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4744 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4745 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4746 	.stu_getnext = mv88e6352_g1_stu_getnext,
4747 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4748 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
4749 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
4750 	.serdes_get_regs = mv88e6352_serdes_get_regs,
4751 	.gpio_ops = &mv88e6352_gpio_ops,
4752 	.phylink_get_caps = mv88e6352_phylink_get_caps,
4753 	.pcs_ops = &mv88e6352_pcs_ops,
4754 };
4755 
4756 static const struct mv88e6xxx_ops mv88e6185_ops = {
4757 	/* MV88E6XXX_FAMILY_6185 */
4758 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4759 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4760 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4761 	.phy_read = mv88e6185_phy_ppu_read,
4762 	.phy_write = mv88e6185_phy_ppu_write,
4763 	.port_set_link = mv88e6xxx_port_set_link,
4764 	.port_sync_link = mv88e6185_port_sync_link,
4765 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4766 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
4767 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
4768 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
4769 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
4770 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
4771 	.port_set_pause = mv88e6185_port_set_pause,
4772 	.port_get_cmode = mv88e6185_port_get_cmode,
4773 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4774 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4775 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4776 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4777 	.stats_get_strings = mv88e6095_stats_get_strings,
4778 	.stats_get_stat = mv88e6095_stats_get_stat,
4779 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4780 	.set_egress_port = mv88e6095_g1_set_egress_port,
4781 	.watchdog_ops = &mv88e6097_watchdog_ops,
4782 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
4783 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
4784 	.ppu_enable = mv88e6185_g1_ppu_enable,
4785 	.ppu_disable = mv88e6185_g1_ppu_disable,
4786 	.reset = mv88e6185_g1_reset,
4787 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4788 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4789 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4790 	.pcs_ops = &mv88e6185_pcs_ops,
4791 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4792 };
4793 
4794 static const struct mv88e6xxx_ops mv88e6190_ops = {
4795 	/* MV88E6XXX_FAMILY_6390 */
4796 	.setup_errata = mv88e6390_setup_errata,
4797 	.irl_init_all = mv88e6390_g2_irl_init_all,
4798 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4799 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4800 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4801 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4802 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4803 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4804 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4805 	.port_set_link = mv88e6xxx_port_set_link,
4806 	.port_sync_link = mv88e6xxx_port_sync_link,
4807 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4808 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
4809 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4810 	.port_tag_remap = mv88e6390_port_tag_remap,
4811 	.port_set_policy = mv88e6352_port_set_policy,
4812 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4813 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4814 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4815 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4816 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4817 	.port_pause_limit = mv88e6390_port_pause_limit,
4818 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4819 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4820 	.port_get_cmode = mv88e6352_port_get_cmode,
4821 	.port_set_cmode = mv88e6390_port_set_cmode,
4822 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4823 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4824 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4825 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4826 	.stats_get_strings = mv88e6320_stats_get_strings,
4827 	.stats_get_stat = mv88e6390_stats_get_stat,
4828 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4829 	.set_egress_port = mv88e6390_g1_set_egress_port,
4830 	.watchdog_ops = &mv88e6390_watchdog_ops,
4831 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4832 	.pot_clear = mv88e6xxx_g2_pot_clear,
4833 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4834 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4835 	.reset = mv88e6352_g1_reset,
4836 	.rmu_disable = mv88e6390_g1_rmu_disable,
4837 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4838 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4839 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4840 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4841 	.stu_getnext = mv88e6390_g1_stu_getnext,
4842 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
4843 	.serdes_get_lane = mv88e6390_serdes_get_lane,
4844 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4845 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4846 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4847 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4848 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4849 	.gpio_ops = &mv88e6352_gpio_ops,
4850 	.phylink_get_caps = mv88e6390_phylink_get_caps,
4851 	.pcs_ops = &mv88e6390_pcs_ops,
4852 };
4853 
4854 static const struct mv88e6xxx_ops mv88e6190x_ops = {
4855 	/* MV88E6XXX_FAMILY_6390 */
4856 	.setup_errata = mv88e6390_setup_errata,
4857 	.irl_init_all = mv88e6390_g2_irl_init_all,
4858 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4859 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4860 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4861 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4862 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4863 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4864 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4865 	.port_set_link = mv88e6xxx_port_set_link,
4866 	.port_sync_link = mv88e6xxx_port_sync_link,
4867 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4868 	.port_set_speed_duplex = mv88e6390x_port_set_speed_duplex,
4869 	.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
4870 	.port_tag_remap = mv88e6390_port_tag_remap,
4871 	.port_set_policy = mv88e6352_port_set_policy,
4872 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4873 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4874 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4875 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4876 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4877 	.port_pause_limit = mv88e6390_port_pause_limit,
4878 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4879 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4880 	.port_get_cmode = mv88e6352_port_get_cmode,
4881 	.port_set_cmode = mv88e6390x_port_set_cmode,
4882 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4883 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4884 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4885 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4886 	.stats_get_strings = mv88e6320_stats_get_strings,
4887 	.stats_get_stat = mv88e6390_stats_get_stat,
4888 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4889 	.set_egress_port = mv88e6390_g1_set_egress_port,
4890 	.watchdog_ops = &mv88e6390_watchdog_ops,
4891 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4892 	.pot_clear = mv88e6xxx_g2_pot_clear,
4893 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4894 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4895 	.reset = mv88e6352_g1_reset,
4896 	.rmu_disable = mv88e6390_g1_rmu_disable,
4897 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4898 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4899 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4900 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4901 	.stu_getnext = mv88e6390_g1_stu_getnext,
4902 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
4903 	.serdes_get_lane = mv88e6390x_serdes_get_lane,
4904 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4905 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4906 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4907 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4908 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4909 	.gpio_ops = &mv88e6352_gpio_ops,
4910 	.phylink_get_caps = mv88e6390x_phylink_get_caps,
4911 	.pcs_ops = &mv88e6390_pcs_ops,
4912 };
4913 
4914 static const struct mv88e6xxx_ops mv88e6191_ops = {
4915 	/* MV88E6XXX_FAMILY_6390 */
4916 	.setup_errata = mv88e6390_setup_errata,
4917 	.irl_init_all = mv88e6390_g2_irl_init_all,
4918 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4919 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4920 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4921 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4922 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4923 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4924 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4925 	.port_set_link = mv88e6xxx_port_set_link,
4926 	.port_sync_link = mv88e6xxx_port_sync_link,
4927 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4928 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
4929 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4930 	.port_tag_remap = mv88e6390_port_tag_remap,
4931 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4932 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4933 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4934 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4935 	.port_pause_limit = mv88e6390_port_pause_limit,
4936 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4937 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4938 	.port_get_cmode = mv88e6352_port_get_cmode,
4939 	.port_set_cmode = mv88e6390_port_set_cmode,
4940 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4941 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4942 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4943 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4944 	.stats_get_strings = mv88e6320_stats_get_strings,
4945 	.stats_get_stat = mv88e6390_stats_get_stat,
4946 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4947 	.set_egress_port = mv88e6390_g1_set_egress_port,
4948 	.watchdog_ops = &mv88e6390_watchdog_ops,
4949 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4950 	.pot_clear = mv88e6xxx_g2_pot_clear,
4951 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
4952 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
4953 	.reset = mv88e6352_g1_reset,
4954 	.rmu_disable = mv88e6390_g1_rmu_disable,
4955 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4956 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4957 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4958 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4959 	.stu_getnext = mv88e6390_g1_stu_getnext,
4960 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
4961 	.serdes_get_lane = mv88e6390_serdes_get_lane,
4962 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4963 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4964 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4965 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4966 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4967 	.avb_ops = &mv88e6390_avb_ops,
4968 	.ptp_ops = &mv88e6352_ptp_ops,
4969 	.phylink_get_caps = mv88e6390_phylink_get_caps,
4970 	.pcs_ops = &mv88e6390_pcs_ops,
4971 };
4972 
4973 static const struct mv88e6xxx_ops mv88e6240_ops = {
4974 	/* MV88E6XXX_FAMILY_6352 */
4975 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4976 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4977 	.irl_init_all = mv88e6352_g2_irl_init_all,
4978 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4979 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4980 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4981 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
4982 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
4983 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
4984 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
4985 	.port_set_link = mv88e6xxx_port_set_link,
4986 	.port_sync_link = mv88e6xxx_port_sync_link,
4987 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4988 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4989 	.port_tag_remap = mv88e6095_port_tag_remap,
4990 	.port_set_policy = mv88e6352_port_set_policy,
4991 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4992 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4993 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4994 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4995 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4996 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4997 	.port_pause_limit = mv88e6097_port_pause_limit,
4998 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4999 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5000 	.port_get_cmode = mv88e6352_port_get_cmode,
5001 	.port_setup_leds = mv88e6xxx_port_setup_leds,
5002 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5003 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5004 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5005 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
5006 	.stats_get_strings = mv88e6095_stats_get_strings,
5007 	.stats_get_stat = mv88e6095_stats_get_stat,
5008 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5009 	.set_egress_port = mv88e6095_g1_set_egress_port,
5010 	.watchdog_ops = &mv88e6097_watchdog_ops,
5011 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5012 	.pot_clear = mv88e6xxx_g2_pot_clear,
5013 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5014 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5015 	.reset = mv88e6352_g1_reset,
5016 	.rmu_disable = mv88e6352_g1_rmu_disable,
5017 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5018 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5019 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5020 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5021 	.stu_getnext = mv88e6352_g1_stu_getnext,
5022 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5023 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
5024 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
5025 	.serdes_get_regs = mv88e6352_serdes_get_regs,
5026 	.gpio_ops = &mv88e6352_gpio_ops,
5027 	.avb_ops = &mv88e6352_avb_ops,
5028 	.ptp_ops = &mv88e6352_ptp_ops,
5029 	.phylink_get_caps = mv88e6352_phylink_get_caps,
5030 	.pcs_ops = &mv88e6352_pcs_ops,
5031 };
5032 
5033 static const struct mv88e6xxx_ops mv88e6250_ops = {
5034 	/* MV88E6XXX_FAMILY_6250 */
5035 	.ieee_pri_map = mv88e6250_g1_ieee_pri_map,
5036 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5037 	.irl_init_all = mv88e6352_g2_irl_init_all,
5038 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
5039 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
5040 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5041 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5042 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5043 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5044 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5045 	.port_set_link = mv88e6xxx_port_set_link,
5046 	.port_sync_link = mv88e6xxx_port_sync_link,
5047 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
5048 	.port_set_speed_duplex = mv88e6250_port_set_speed_duplex,
5049 	.port_tag_remap = mv88e6095_port_tag_remap,
5050 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5051 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5052 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5053 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5054 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5055 	.port_pause_limit = mv88e6097_port_pause_limit,
5056 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5057 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5058 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5059 	.stats_get_sset_count = mv88e6250_stats_get_sset_count,
5060 	.stats_get_strings = mv88e6250_stats_get_strings,
5061 	.stats_get_stat = mv88e6250_stats_get_stat,
5062 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5063 	.set_egress_port = mv88e6095_g1_set_egress_port,
5064 	.watchdog_ops = &mv88e6250_watchdog_ops,
5065 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5066 	.pot_clear = mv88e6xxx_g2_pot_clear,
5067 	.hardware_reset_pre = mv88e6250_g1_wait_eeprom_done_prereset,
5068 	.hardware_reset_post = mv88e6xxx_g1_wait_eeprom_done,
5069 	.reset = mv88e6250_g1_reset,
5070 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
5071 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
5072 	.avb_ops = &mv88e6352_avb_ops,
5073 	.ptp_ops = &mv88e6352_ptp_ops,
5074 	.phylink_get_caps = mv88e6250_phylink_get_caps,
5075 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
5076 };
5077 
5078 static const struct mv88e6xxx_ops mv88e6290_ops = {
5079 	/* MV88E6XXX_FAMILY_6390 */
5080 	.setup_errata = mv88e6390_setup_errata,
5081 	.irl_init_all = mv88e6390_g2_irl_init_all,
5082 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5083 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5084 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5085 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5086 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5087 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5088 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5089 	.port_set_link = mv88e6xxx_port_set_link,
5090 	.port_sync_link = mv88e6xxx_port_sync_link,
5091 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5092 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
5093 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
5094 	.port_tag_remap = mv88e6390_port_tag_remap,
5095 	.port_set_policy = mv88e6352_port_set_policy,
5096 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5097 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5098 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5099 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5100 	.port_pause_limit = mv88e6390_port_pause_limit,
5101 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5102 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5103 	.port_get_cmode = mv88e6352_port_get_cmode,
5104 	.port_set_cmode = mv88e6390_port_set_cmode,
5105 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5106 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5107 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5108 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5109 	.stats_get_strings = mv88e6320_stats_get_strings,
5110 	.stats_get_stat = mv88e6390_stats_get_stat,
5111 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
5112 	.set_egress_port = mv88e6390_g1_set_egress_port,
5113 	.watchdog_ops = &mv88e6390_watchdog_ops,
5114 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
5115 	.pot_clear = mv88e6xxx_g2_pot_clear,
5116 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5117 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5118 	.reset = mv88e6352_g1_reset,
5119 	.rmu_disable = mv88e6390_g1_rmu_disable,
5120 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5121 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5122 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
5123 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5124 	.stu_getnext = mv88e6390_g1_stu_getnext,
5125 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5126 	.serdes_get_lane = mv88e6390_serdes_get_lane,
5127 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5128 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5129 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5130 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5131 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5132 	.gpio_ops = &mv88e6352_gpio_ops,
5133 	.avb_ops = &mv88e6390_avb_ops,
5134 	.ptp_ops = &mv88e6390_ptp_ops,
5135 	.phylink_get_caps = mv88e6390_phylink_get_caps,
5136 	.pcs_ops = &mv88e6390_pcs_ops,
5137 };
5138 
5139 static const struct mv88e6xxx_ops mv88e6320_ops = {
5140 	/* MV88E6XXX_FAMILY_6320 */
5141 	.setup_errata = mv88e6320_setup_errata,
5142 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5143 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5144 	.irl_init_all = mv88e6352_g2_irl_init_all,
5145 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
5146 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
5147 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5148 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5149 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5150 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5151 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5152 	.port_set_link = mv88e6xxx_port_set_link,
5153 	.port_sync_link = mv88e6xxx_port_sync_link,
5154 	.port_set_rgmii_delay = mv88e6320_port_set_rgmii_delay,
5155 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5156 	.port_tag_remap = mv88e6095_port_tag_remap,
5157 	.port_set_policy = mv88e6352_port_set_policy,
5158 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5159 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5160 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5161 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5162 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5163 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5164 	.port_pause_limit = mv88e6097_port_pause_limit,
5165 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5166 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5167 	.port_get_cmode = mv88e6352_port_get_cmode,
5168 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5169 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5170 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5171 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5172 	.stats_get_strings = mv88e6320_stats_get_strings,
5173 	.stats_get_stat = mv88e6320_stats_get_stat,
5174 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5175 	.set_egress_port = mv88e6095_g1_set_egress_port,
5176 	.watchdog_ops = &mv88e6390_watchdog_ops,
5177 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5178 	.pot_clear = mv88e6xxx_g2_pot_clear,
5179 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5180 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5181 	.reset = mv88e6352_g1_reset,
5182 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5183 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5184 	.stu_getnext = mv88e6352_g1_stu_getnext,
5185 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5186 	.gpio_ops = &mv88e6352_gpio_ops,
5187 	.avb_ops = &mv88e6352_avb_ops,
5188 	.ptp_ops = &mv88e6352_ptp_ops,
5189 	.phylink_get_caps = mv88e632x_phylink_get_caps,
5190 };
5191 
5192 static const struct mv88e6xxx_ops mv88e6321_ops = {
5193 	/* MV88E6XXX_FAMILY_6320 */
5194 	.setup_errata = mv88e6320_setup_errata,
5195 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5196 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5197 	.irl_init_all = mv88e6352_g2_irl_init_all,
5198 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
5199 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
5200 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5201 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5202 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5203 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5204 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5205 	.port_set_link = mv88e6xxx_port_set_link,
5206 	.port_sync_link = mv88e6xxx_port_sync_link,
5207 	.port_set_rgmii_delay = mv88e6320_port_set_rgmii_delay,
5208 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5209 	.port_tag_remap = mv88e6095_port_tag_remap,
5210 	.port_set_policy = mv88e6352_port_set_policy,
5211 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5212 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5213 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5214 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5215 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5216 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5217 	.port_pause_limit = mv88e6097_port_pause_limit,
5218 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5219 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5220 	.port_get_cmode = mv88e6352_port_get_cmode,
5221 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5222 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5223 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5224 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5225 	.stats_get_strings = mv88e6320_stats_get_strings,
5226 	.stats_get_stat = mv88e6320_stats_get_stat,
5227 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5228 	.set_egress_port = mv88e6095_g1_set_egress_port,
5229 	.watchdog_ops = &mv88e6390_watchdog_ops,
5230 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5231 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5232 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5233 	.reset = mv88e6352_g1_reset,
5234 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5235 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5236 	.stu_getnext = mv88e6352_g1_stu_getnext,
5237 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5238 	.gpio_ops = &mv88e6352_gpio_ops,
5239 	.avb_ops = &mv88e6352_avb_ops,
5240 	.ptp_ops = &mv88e6352_ptp_ops,
5241 	.phylink_get_caps = mv88e632x_phylink_get_caps,
5242 };
5243 
5244 static const struct mv88e6xxx_ops mv88e6341_ops = {
5245 	/* MV88E6XXX_FAMILY_6341 */
5246 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5247 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5248 	.irl_init_all = mv88e6352_g2_irl_init_all,
5249 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5250 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5251 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5252 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5253 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5254 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5255 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5256 	.port_set_link = mv88e6xxx_port_set_link,
5257 	.port_sync_link = mv88e6xxx_port_sync_link,
5258 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5259 	.port_set_speed_duplex = mv88e6341_port_set_speed_duplex,
5260 	.port_max_speed_mode = mv88e6341_port_max_speed_mode,
5261 	.port_tag_remap = mv88e6095_port_tag_remap,
5262 	.port_set_policy = mv88e6352_port_set_policy,
5263 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5264 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5265 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5266 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5267 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5268 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5269 	.port_pause_limit = mv88e6097_port_pause_limit,
5270 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5271 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5272 	.port_get_cmode = mv88e6352_port_get_cmode,
5273 	.port_set_cmode = mv88e6341_port_set_cmode,
5274 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5275 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5276 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5277 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5278 	.stats_get_strings = mv88e6320_stats_get_strings,
5279 	.stats_get_stat = mv88e6390_stats_get_stat,
5280 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
5281 	.set_egress_port = mv88e6390_g1_set_egress_port,
5282 	.watchdog_ops = &mv88e6390_watchdog_ops,
5283 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
5284 	.pot_clear = mv88e6xxx_g2_pot_clear,
5285 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5286 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5287 	.reset = mv88e6352_g1_reset,
5288 	.rmu_disable = mv88e6390_g1_rmu_disable,
5289 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5290 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5291 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5292 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5293 	.stu_getnext = mv88e6352_g1_stu_getnext,
5294 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5295 	.serdes_get_lane = mv88e6341_serdes_get_lane,
5296 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5297 	.gpio_ops = &mv88e6352_gpio_ops,
5298 	.avb_ops = &mv88e6390_avb_ops,
5299 	.ptp_ops = &mv88e6352_ptp_ops,
5300 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
5301 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5302 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5303 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5304 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5305 	.phylink_get_caps = mv88e6341_phylink_get_caps,
5306 	.pcs_ops = &mv88e6390_pcs_ops,
5307 };
5308 
5309 static const struct mv88e6xxx_ops mv88e6350_ops = {
5310 	/* MV88E6XXX_FAMILY_6351 */
5311 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5312 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5313 	.irl_init_all = mv88e6352_g2_irl_init_all,
5314 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5315 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5316 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5317 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5318 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5319 	.port_set_link = mv88e6xxx_port_set_link,
5320 	.port_sync_link = mv88e6xxx_port_sync_link,
5321 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
5322 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5323 	.port_tag_remap = mv88e6095_port_tag_remap,
5324 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5325 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5326 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5327 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5328 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5329 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5330 	.port_pause_limit = mv88e6097_port_pause_limit,
5331 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5332 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5333 	.port_get_cmode = mv88e6352_port_get_cmode,
5334 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5335 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5336 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5337 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
5338 	.stats_get_strings = mv88e6095_stats_get_strings,
5339 	.stats_get_stat = mv88e6095_stats_get_stat,
5340 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5341 	.set_egress_port = mv88e6095_g1_set_egress_port,
5342 	.watchdog_ops = &mv88e6097_watchdog_ops,
5343 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5344 	.pot_clear = mv88e6xxx_g2_pot_clear,
5345 	.reset = mv88e6352_g1_reset,
5346 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5347 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5348 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5349 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5350 	.stu_getnext = mv88e6352_g1_stu_getnext,
5351 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5352 	.phylink_get_caps = mv88e6351_phylink_get_caps,
5353 };
5354 
5355 static const struct mv88e6xxx_ops mv88e6351_ops = {
5356 	/* MV88E6XXX_FAMILY_6351 */
5357 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5358 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5359 	.irl_init_all = mv88e6352_g2_irl_init_all,
5360 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5361 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5362 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5363 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5364 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5365 	.port_set_link = mv88e6xxx_port_set_link,
5366 	.port_sync_link = mv88e6xxx_port_sync_link,
5367 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
5368 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5369 	.port_tag_remap = mv88e6095_port_tag_remap,
5370 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5371 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5372 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5373 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5374 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5375 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5376 	.port_pause_limit = mv88e6097_port_pause_limit,
5377 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5378 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5379 	.port_get_cmode = mv88e6352_port_get_cmode,
5380 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5381 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5382 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5383 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
5384 	.stats_get_strings = mv88e6095_stats_get_strings,
5385 	.stats_get_stat = mv88e6095_stats_get_stat,
5386 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5387 	.set_egress_port = mv88e6095_g1_set_egress_port,
5388 	.watchdog_ops = &mv88e6097_watchdog_ops,
5389 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5390 	.pot_clear = mv88e6xxx_g2_pot_clear,
5391 	.reset = mv88e6352_g1_reset,
5392 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5393 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5394 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5395 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5396 	.stu_getnext = mv88e6352_g1_stu_getnext,
5397 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5398 	.avb_ops = &mv88e6352_avb_ops,
5399 	.ptp_ops = &mv88e6352_ptp_ops,
5400 	.phylink_get_caps = mv88e6351_phylink_get_caps,
5401 };
5402 
5403 static const struct mv88e6xxx_ops mv88e6352_ops = {
5404 	/* MV88E6XXX_FAMILY_6352 */
5405 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5406 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5407 	.irl_init_all = mv88e6352_g2_irl_init_all,
5408 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
5409 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
5410 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5411 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5412 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5413 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5414 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5415 	.port_set_link = mv88e6xxx_port_set_link,
5416 	.port_sync_link = mv88e6xxx_port_sync_link,
5417 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
5418 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
5419 	.port_tag_remap = mv88e6095_port_tag_remap,
5420 	.port_set_policy = mv88e6352_port_set_policy,
5421 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5422 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5423 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5424 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5425 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5426 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5427 	.port_pause_limit = mv88e6097_port_pause_limit,
5428 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5429 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5430 	.port_get_cmode = mv88e6352_port_get_cmode,
5431 	.port_setup_leds = mv88e6xxx_port_setup_leds,
5432 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5433 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5434 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5435 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
5436 	.stats_get_strings = mv88e6095_stats_get_strings,
5437 	.stats_get_stat = mv88e6095_stats_get_stat,
5438 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5439 	.set_egress_port = mv88e6095_g1_set_egress_port,
5440 	.watchdog_ops = &mv88e6097_watchdog_ops,
5441 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5442 	.pot_clear = mv88e6xxx_g2_pot_clear,
5443 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5444 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5445 	.reset = mv88e6352_g1_reset,
5446 	.rmu_disable = mv88e6352_g1_rmu_disable,
5447 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5448 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5449 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5450 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5451 	.stu_getnext = mv88e6352_g1_stu_getnext,
5452 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5453 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
5454 	.gpio_ops = &mv88e6352_gpio_ops,
5455 	.avb_ops = &mv88e6352_avb_ops,
5456 	.ptp_ops = &mv88e6352_ptp_ops,
5457 	.serdes_get_sset_count = mv88e6352_serdes_get_sset_count,
5458 	.serdes_get_strings = mv88e6352_serdes_get_strings,
5459 	.serdes_get_stats = mv88e6352_serdes_get_stats,
5460 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
5461 	.serdes_get_regs = mv88e6352_serdes_get_regs,
5462 	.phylink_get_caps = mv88e6352_phylink_get_caps,
5463 	.pcs_ops = &mv88e6352_pcs_ops,
5464 };
5465 
5466 static const struct mv88e6xxx_ops mv88e6390_ops = {
5467 	/* MV88E6XXX_FAMILY_6390 */
5468 	.setup_errata = mv88e6390_setup_errata,
5469 	.irl_init_all = mv88e6390_g2_irl_init_all,
5470 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5471 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5472 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5473 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5474 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5475 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5476 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5477 	.port_set_link = mv88e6xxx_port_set_link,
5478 	.port_sync_link = mv88e6xxx_port_sync_link,
5479 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5480 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
5481 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
5482 	.port_tag_remap = mv88e6390_port_tag_remap,
5483 	.port_set_policy = mv88e6352_port_set_policy,
5484 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5485 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5486 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5487 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5488 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5489 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5490 	.port_pause_limit = mv88e6390_port_pause_limit,
5491 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5492 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5493 	.port_get_cmode = mv88e6352_port_get_cmode,
5494 	.port_set_cmode = mv88e6390_port_set_cmode,
5495 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5496 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5497 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5498 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5499 	.stats_get_strings = mv88e6320_stats_get_strings,
5500 	.stats_get_stat = mv88e6390_stats_get_stat,
5501 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
5502 	.set_egress_port = mv88e6390_g1_set_egress_port,
5503 	.watchdog_ops = &mv88e6390_watchdog_ops,
5504 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
5505 	.pot_clear = mv88e6xxx_g2_pot_clear,
5506 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5507 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5508 	.reset = mv88e6352_g1_reset,
5509 	.rmu_disable = mv88e6390_g1_rmu_disable,
5510 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5511 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5512 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
5513 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5514 	.stu_getnext = mv88e6390_g1_stu_getnext,
5515 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5516 	.serdes_get_lane = mv88e6390_serdes_get_lane,
5517 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5518 	.gpio_ops = &mv88e6352_gpio_ops,
5519 	.avb_ops = &mv88e6390_avb_ops,
5520 	.ptp_ops = &mv88e6390_ptp_ops,
5521 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
5522 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5523 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5524 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5525 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5526 	.phylink_get_caps = mv88e6390_phylink_get_caps,
5527 	.pcs_ops = &mv88e6390_pcs_ops,
5528 };
5529 
5530 static const struct mv88e6xxx_ops mv88e6390x_ops = {
5531 	/* MV88E6XXX_FAMILY_6390 */
5532 	.setup_errata = mv88e6390_setup_errata,
5533 	.irl_init_all = mv88e6390_g2_irl_init_all,
5534 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5535 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5536 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5537 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5538 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5539 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5540 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5541 	.port_set_link = mv88e6xxx_port_set_link,
5542 	.port_sync_link = mv88e6xxx_port_sync_link,
5543 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5544 	.port_set_speed_duplex = mv88e6390x_port_set_speed_duplex,
5545 	.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
5546 	.port_tag_remap = mv88e6390_port_tag_remap,
5547 	.port_set_policy = mv88e6352_port_set_policy,
5548 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5549 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5550 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5551 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5552 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5553 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5554 	.port_pause_limit = mv88e6390_port_pause_limit,
5555 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5556 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5557 	.port_get_cmode = mv88e6352_port_get_cmode,
5558 	.port_set_cmode = mv88e6390x_port_set_cmode,
5559 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5560 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5561 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5562 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5563 	.stats_get_strings = mv88e6320_stats_get_strings,
5564 	.stats_get_stat = mv88e6390_stats_get_stat,
5565 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
5566 	.set_egress_port = mv88e6390_g1_set_egress_port,
5567 	.watchdog_ops = &mv88e6390_watchdog_ops,
5568 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
5569 	.pot_clear = mv88e6xxx_g2_pot_clear,
5570 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5571 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5572 	.reset = mv88e6352_g1_reset,
5573 	.rmu_disable = mv88e6390_g1_rmu_disable,
5574 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5575 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5576 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
5577 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5578 	.stu_getnext = mv88e6390_g1_stu_getnext,
5579 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5580 	.serdes_get_lane = mv88e6390x_serdes_get_lane,
5581 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5582 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
5583 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5584 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5585 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5586 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5587 	.gpio_ops = &mv88e6352_gpio_ops,
5588 	.avb_ops = &mv88e6390_avb_ops,
5589 	.ptp_ops = &mv88e6390_ptp_ops,
5590 	.phylink_get_caps = mv88e6390x_phylink_get_caps,
5591 	.pcs_ops = &mv88e6390_pcs_ops,
5592 };
5593 
5594 static const struct mv88e6xxx_ops mv88e6393x_ops = {
5595 	/* MV88E6XXX_FAMILY_6393 */
5596 	.irl_init_all = mv88e6390_g2_irl_init_all,
5597 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5598 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5599 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5600 	.phy_read = mv88e6xxx_g2_smi_phy_read_c22,
5601 	.phy_write = mv88e6xxx_g2_smi_phy_write_c22,
5602 	.phy_read_c45 = mv88e6xxx_g2_smi_phy_read_c45,
5603 	.phy_write_c45 = mv88e6xxx_g2_smi_phy_write_c45,
5604 	.port_set_link = mv88e6xxx_port_set_link,
5605 	.port_sync_link = mv88e6xxx_port_sync_link,
5606 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5607 	.port_set_speed_duplex = mv88e6393x_port_set_speed_duplex,
5608 	.port_max_speed_mode = mv88e6393x_port_max_speed_mode,
5609 	.port_tag_remap = mv88e6390_port_tag_remap,
5610 	.port_set_policy = mv88e6393x_port_set_policy,
5611 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5612 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5613 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5614 	.port_set_ether_type = mv88e6393x_port_set_ether_type,
5615 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5616 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5617 	.port_pause_limit = mv88e6390_port_pause_limit,
5618 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5619 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5620 	.port_get_cmode = mv88e6352_port_get_cmode,
5621 	.port_set_cmode = mv88e6393x_port_set_cmode,
5622 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5623 	.port_set_upstream_port = mv88e6393x_port_set_upstream_port,
5624 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5625 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5626 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5627 	.stats_get_strings = mv88e6320_stats_get_strings,
5628 	.stats_get_stat = mv88e6390_stats_get_stat,
5629 	/* .set_cpu_port is missing because this family does not support a global
5630 	 * CPU port, only per port CPU port which is set via
5631 	 * .port_set_upstream_port method.
5632 	 */
5633 	.set_egress_port = mv88e6393x_set_egress_port,
5634 	.watchdog_ops = &mv88e6393x_watchdog_ops,
5635 	.mgmt_rsvd2cpu = mv88e6393x_port_mgmt_rsvd2cpu,
5636 	.pot_clear = mv88e6xxx_g2_pot_clear,
5637 	.hardware_reset_pre = mv88e6xxx_g2_eeprom_wait,
5638 	.hardware_reset_post = mv88e6xxx_g2_eeprom_wait,
5639 	.reset = mv88e6352_g1_reset,
5640 	.rmu_disable = mv88e6390_g1_rmu_disable,
5641 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5642 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5643 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
5644 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5645 	.stu_getnext = mv88e6390_g1_stu_getnext,
5646 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5647 	.serdes_get_lane = mv88e6393x_serdes_get_lane,
5648 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5649 	/* TODO: serdes stats */
5650 	.gpio_ops = &mv88e6352_gpio_ops,
5651 	.avb_ops = &mv88e6390_avb_ops,
5652 	.ptp_ops = &mv88e6352_ptp_ops,
5653 	.phylink_get_caps = mv88e6393x_phylink_get_caps,
5654 	.pcs_ops = &mv88e6393x_pcs_ops,
5655 };
5656 
5657 static const struct mv88e6xxx_info mv88e6xxx_table[] = {
5658 	[MV88E6020] = {
5659 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6020,
5660 		.family = MV88E6XXX_FAMILY_6250,
5661 		.name = "Marvell 88E6020",
5662 		.num_databases = 64,
5663 		/* Ports 2-4 are not routed to pins
5664 		 * => usable ports 0, 1, 5, 6
5665 		 */
5666 		.num_ports = 7,
5667 		.num_internal_phys = 2,
5668 		.invalid_port_mask = BIT(2) | BIT(3) | BIT(4),
5669 		.max_vid = 4095,
5670 		.port_base_addr = 0x8,
5671 		.phy_base_addr = 0x0,
5672 		.global1_addr = 0xf,
5673 		.global2_addr = 0x7,
5674 		.age_time_coeff = 15000,
5675 		.g1_irqs = 9,
5676 		.g2_irqs = 5,
5677 		.stats_type = STATS_TYPE_BANK0,
5678 		.atu_move_port_mask = 0xf,
5679 		.dual_chip = true,
5680 		.ops = &mv88e6250_ops,
5681 	},
5682 
5683 	[MV88E6071] = {
5684 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6071,
5685 		.family = MV88E6XXX_FAMILY_6250,
5686 		.name = "Marvell 88E6071",
5687 		.num_databases = 64,
5688 		.num_ports = 7,
5689 		.num_internal_phys = 5,
5690 		.max_vid = 4095,
5691 		.port_base_addr = 0x08,
5692 		.phy_base_addr = 0x00,
5693 		.global1_addr = 0x0f,
5694 		.global2_addr = 0x07,
5695 		.age_time_coeff = 15000,
5696 		.g1_irqs = 9,
5697 		.g2_irqs = 5,
5698 		.stats_type = STATS_TYPE_BANK0,
5699 		.atu_move_port_mask = 0xf,
5700 		.dual_chip = true,
5701 		.ops = &mv88e6250_ops,
5702 	},
5703 
5704 	[MV88E6085] = {
5705 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6085,
5706 		.family = MV88E6XXX_FAMILY_6097,
5707 		.name = "Marvell 88E6085",
5708 		.num_databases = 4096,
5709 		.num_macs = 8192,
5710 		.num_ports = 10,
5711 		.num_internal_phys = 5,
5712 		.max_vid = 4095,
5713 		.max_sid = 63,
5714 		.port_base_addr = 0x10,
5715 		.phy_base_addr = 0x0,
5716 		.global1_addr = 0x1b,
5717 		.global2_addr = 0x1c,
5718 		.age_time_coeff = 15000,
5719 		.g1_irqs = 8,
5720 		.g2_irqs = 10,
5721 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5722 		.atu_move_port_mask = 0xf,
5723 		.pvt = true,
5724 		.multi_chip = true,
5725 		.ops = &mv88e6085_ops,
5726 	},
5727 
5728 	[MV88E6095] = {
5729 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6095,
5730 		.family = MV88E6XXX_FAMILY_6095,
5731 		.name = "Marvell 88E6095/88E6095F",
5732 		.num_databases = 256,
5733 		.num_macs = 8192,
5734 		.num_ports = 11,
5735 		.num_internal_phys = 0,
5736 		.max_vid = 4095,
5737 		.port_base_addr = 0x10,
5738 		.phy_base_addr = 0x0,
5739 		.global1_addr = 0x1b,
5740 		.global2_addr = 0x1c,
5741 		.age_time_coeff = 15000,
5742 		.g1_irqs = 8,
5743 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5744 		.atu_move_port_mask = 0xf,
5745 		.multi_chip = true,
5746 		.ops = &mv88e6095_ops,
5747 	},
5748 
5749 	[MV88E6097] = {
5750 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6097,
5751 		.family = MV88E6XXX_FAMILY_6097,
5752 		.name = "Marvell 88E6097/88E6097F",
5753 		.num_databases = 4096,
5754 		.num_macs = 8192,
5755 		.num_ports = 11,
5756 		.num_internal_phys = 8,
5757 		.max_vid = 4095,
5758 		.max_sid = 63,
5759 		.port_base_addr = 0x10,
5760 		.phy_base_addr = 0x0,
5761 		.global1_addr = 0x1b,
5762 		.global2_addr = 0x1c,
5763 		.age_time_coeff = 15000,
5764 		.g1_irqs = 8,
5765 		.g2_irqs = 10,
5766 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5767 		.atu_move_port_mask = 0xf,
5768 		.pvt = true,
5769 		.multi_chip = true,
5770 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5771 		.ops = &mv88e6097_ops,
5772 	},
5773 
5774 	[MV88E6123] = {
5775 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6123,
5776 		.family = MV88E6XXX_FAMILY_6165,
5777 		.name = "Marvell 88E6123",
5778 		.num_databases = 4096,
5779 		.num_macs = 1024,
5780 		.num_ports = 3,
5781 		.num_internal_phys = 5,
5782 		.max_vid = 4095,
5783 		.max_sid = 63,
5784 		.port_base_addr = 0x10,
5785 		.phy_base_addr = 0x0,
5786 		.global1_addr = 0x1b,
5787 		.global2_addr = 0x1c,
5788 		.age_time_coeff = 15000,
5789 		.g1_irqs = 9,
5790 		.g2_irqs = 10,
5791 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5792 		.atu_move_port_mask = 0xf,
5793 		.pvt = true,
5794 		.multi_chip = true,
5795 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5796 		.ops = &mv88e6123_ops,
5797 	},
5798 
5799 	[MV88E6131] = {
5800 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6131,
5801 		.family = MV88E6XXX_FAMILY_6185,
5802 		.name = "Marvell 88E6131",
5803 		.num_databases = 256,
5804 		.num_macs = 8192,
5805 		.num_ports = 8,
5806 		.num_internal_phys = 0,
5807 		.max_vid = 4095,
5808 		.port_base_addr = 0x10,
5809 		.phy_base_addr = 0x0,
5810 		.global1_addr = 0x1b,
5811 		.global2_addr = 0x1c,
5812 		.age_time_coeff = 15000,
5813 		.g1_irqs = 9,
5814 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5815 		.atu_move_port_mask = 0xf,
5816 		.multi_chip = true,
5817 		.ops = &mv88e6131_ops,
5818 	},
5819 
5820 	[MV88E6141] = {
5821 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6141,
5822 		.family = MV88E6XXX_FAMILY_6341,
5823 		.name = "Marvell 88E6141",
5824 		.num_databases = 256,
5825 		.num_macs = 2048,
5826 		.num_ports = 6,
5827 		.num_internal_phys = 5,
5828 		.num_gpio = 11,
5829 		.max_vid = 4095,
5830 		.max_sid = 63,
5831 		.port_base_addr = 0x10,
5832 		.phy_base_addr = 0x10,
5833 		.global1_addr = 0x1b,
5834 		.global2_addr = 0x1c,
5835 		.age_time_coeff = 3750,
5836 		.atu_move_port_mask = 0xf,
5837 		.g1_irqs = 9,
5838 		.g2_irqs = 10,
5839 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
5840 		.pvt = true,
5841 		.multi_chip = true,
5842 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5843 		.ops = &mv88e6141_ops,
5844 	},
5845 
5846 	[MV88E6161] = {
5847 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6161,
5848 		.family = MV88E6XXX_FAMILY_6165,
5849 		.name = "Marvell 88E6161",
5850 		.num_databases = 4096,
5851 		.num_macs = 1024,
5852 		.num_ports = 6,
5853 		.num_internal_phys = 5,
5854 		.max_vid = 4095,
5855 		.max_sid = 63,
5856 		.port_base_addr = 0x10,
5857 		.phy_base_addr = 0x0,
5858 		.global1_addr = 0x1b,
5859 		.global2_addr = 0x1c,
5860 		.age_time_coeff = 15000,
5861 		.g1_irqs = 9,
5862 		.g2_irqs = 10,
5863 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5864 		.atu_move_port_mask = 0xf,
5865 		.pvt = true,
5866 		.multi_chip = true,
5867 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5868 		.ptp_support = true,
5869 		.ops = &mv88e6161_ops,
5870 	},
5871 
5872 	[MV88E6165] = {
5873 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6165,
5874 		.family = MV88E6XXX_FAMILY_6165,
5875 		.name = "Marvell 88E6165",
5876 		.num_databases = 4096,
5877 		.num_macs = 8192,
5878 		.num_ports = 6,
5879 		.num_internal_phys = 0,
5880 		.max_vid = 4095,
5881 		.max_sid = 63,
5882 		.port_base_addr = 0x10,
5883 		.phy_base_addr = 0x0,
5884 		.global1_addr = 0x1b,
5885 		.global2_addr = 0x1c,
5886 		.age_time_coeff = 15000,
5887 		.g1_irqs = 9,
5888 		.g2_irqs = 10,
5889 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5890 		.atu_move_port_mask = 0xf,
5891 		.pvt = true,
5892 		.multi_chip = true,
5893 		.ptp_support = true,
5894 		.ops = &mv88e6165_ops,
5895 	},
5896 
5897 	[MV88E6171] = {
5898 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6171,
5899 		.family = MV88E6XXX_FAMILY_6351,
5900 		.name = "Marvell 88E6171",
5901 		.num_databases = 4096,
5902 		.num_macs = 8192,
5903 		.num_ports = 7,
5904 		.num_internal_phys = 5,
5905 		.max_vid = 4095,
5906 		.max_sid = 63,
5907 		.port_base_addr = 0x10,
5908 		.phy_base_addr = 0x0,
5909 		.global1_addr = 0x1b,
5910 		.global2_addr = 0x1c,
5911 		.age_time_coeff = 15000,
5912 		.g1_irqs = 9,
5913 		.g2_irqs = 10,
5914 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
5915 		.atu_move_port_mask = 0xf,
5916 		.pvt = true,
5917 		.multi_chip = true,
5918 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5919 		.ops = &mv88e6171_ops,
5920 	},
5921 
5922 	[MV88E6172] = {
5923 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6172,
5924 		.family = MV88E6XXX_FAMILY_6352,
5925 		.name = "Marvell 88E6172",
5926 		.num_databases = 4096,
5927 		.num_macs = 8192,
5928 		.num_ports = 7,
5929 		.num_internal_phys = 5,
5930 		.num_gpio = 15,
5931 		.max_vid = 4095,
5932 		.max_sid = 63,
5933 		.port_base_addr = 0x10,
5934 		.phy_base_addr = 0x0,
5935 		.global1_addr = 0x1b,
5936 		.global2_addr = 0x1c,
5937 		.age_time_coeff = 15000,
5938 		.g1_irqs = 9,
5939 		.g2_irqs = 10,
5940 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5941 		.atu_move_port_mask = 0xf,
5942 		.pvt = true,
5943 		.multi_chip = true,
5944 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5945 		.ops = &mv88e6172_ops,
5946 	},
5947 
5948 	[MV88E6175] = {
5949 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6175,
5950 		.family = MV88E6XXX_FAMILY_6351,
5951 		.name = "Marvell 88E6175",
5952 		.num_databases = 4096,
5953 		.num_macs = 8192,
5954 		.num_ports = 7,
5955 		.num_internal_phys = 5,
5956 		.max_vid = 4095,
5957 		.max_sid = 63,
5958 		.port_base_addr = 0x10,
5959 		.phy_base_addr = 0x0,
5960 		.global1_addr = 0x1b,
5961 		.global2_addr = 0x1c,
5962 		.age_time_coeff = 15000,
5963 		.g1_irqs = 9,
5964 		.g2_irqs = 10,
5965 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5966 		.atu_move_port_mask = 0xf,
5967 		.pvt = true,
5968 		.multi_chip = true,
5969 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5970 		.ops = &mv88e6175_ops,
5971 	},
5972 
5973 	[MV88E6176] = {
5974 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6176,
5975 		.family = MV88E6XXX_FAMILY_6352,
5976 		.name = "Marvell 88E6176",
5977 		.num_databases = 4096,
5978 		.num_macs = 8192,
5979 		.num_ports = 7,
5980 		.num_internal_phys = 5,
5981 		.num_gpio = 15,
5982 		.max_vid = 4095,
5983 		.max_sid = 63,
5984 		.port_base_addr = 0x10,
5985 		.phy_base_addr = 0x0,
5986 		.global1_addr = 0x1b,
5987 		.global2_addr = 0x1c,
5988 		.age_time_coeff = 15000,
5989 		.g1_irqs = 9,
5990 		.g2_irqs = 10,
5991 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
5992 		.atu_move_port_mask = 0xf,
5993 		.pvt = true,
5994 		.multi_chip = true,
5995 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5996 		.ops = &mv88e6176_ops,
5997 	},
5998 
5999 	[MV88E6185] = {
6000 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6185,
6001 		.family = MV88E6XXX_FAMILY_6185,
6002 		.name = "Marvell 88E6185",
6003 		.num_databases = 256,
6004 		.num_macs = 8192,
6005 		.num_ports = 10,
6006 		.num_internal_phys = 0,
6007 		.max_vid = 4095,
6008 		.port_base_addr = 0x10,
6009 		.phy_base_addr = 0x0,
6010 		.global1_addr = 0x1b,
6011 		.global2_addr = 0x1c,
6012 		.age_time_coeff = 15000,
6013 		.g1_irqs = 8,
6014 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
6015 		.atu_move_port_mask = 0xf,
6016 		.multi_chip = true,
6017 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6018 		.ops = &mv88e6185_ops,
6019 	},
6020 
6021 	[MV88E6190] = {
6022 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190,
6023 		.family = MV88E6XXX_FAMILY_6390,
6024 		.name = "Marvell 88E6190",
6025 		.num_databases = 4096,
6026 		.num_macs = 16384,
6027 		.num_ports = 11,	/* 10 + Z80 */
6028 		.num_internal_phys = 9,
6029 		.num_gpio = 16,
6030 		.max_vid = 8191,
6031 		.max_sid = 63,
6032 		.port_base_addr = 0x0,
6033 		.phy_base_addr = 0x0,
6034 		.global1_addr = 0x1b,
6035 		.global2_addr = 0x1c,
6036 		.age_time_coeff = 3750,
6037 		.g1_irqs = 9,
6038 		.g2_irqs = 14,
6039 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6040 		.pvt = true,
6041 		.multi_chip = true,
6042 		.atu_move_port_mask = 0x1f,
6043 		.ops = &mv88e6190_ops,
6044 	},
6045 
6046 	[MV88E6190X] = {
6047 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190X,
6048 		.family = MV88E6XXX_FAMILY_6390,
6049 		.name = "Marvell 88E6190X",
6050 		.num_databases = 4096,
6051 		.num_macs = 16384,
6052 		.num_ports = 11,	/* 10 + Z80 */
6053 		.num_internal_phys = 9,
6054 		.num_gpio = 16,
6055 		.max_vid = 8191,
6056 		.max_sid = 63,
6057 		.port_base_addr = 0x0,
6058 		.phy_base_addr = 0x0,
6059 		.global1_addr = 0x1b,
6060 		.global2_addr = 0x1c,
6061 		.age_time_coeff = 3750,
6062 		.g1_irqs = 9,
6063 		.g2_irqs = 14,
6064 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6065 		.atu_move_port_mask = 0x1f,
6066 		.pvt = true,
6067 		.multi_chip = true,
6068 		.ops = &mv88e6190x_ops,
6069 	},
6070 
6071 	[MV88E6191] = {
6072 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6191,
6073 		.family = MV88E6XXX_FAMILY_6390,
6074 		.name = "Marvell 88E6191",
6075 		.num_databases = 4096,
6076 		.num_macs = 16384,
6077 		.num_ports = 11,	/* 10 + Z80 */
6078 		.num_internal_phys = 9,
6079 		.max_vid = 8191,
6080 		.max_sid = 63,
6081 		.port_base_addr = 0x0,
6082 		.phy_base_addr = 0x0,
6083 		.global1_addr = 0x1b,
6084 		.global2_addr = 0x1c,
6085 		.age_time_coeff = 3750,
6086 		.g1_irqs = 9,
6087 		.g2_irqs = 14,
6088 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6089 		.atu_move_port_mask = 0x1f,
6090 		.pvt = true,
6091 		.multi_chip = true,
6092 		.ptp_support = true,
6093 		.ops = &mv88e6191_ops,
6094 	},
6095 
6096 	[MV88E6191X] = {
6097 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6191X,
6098 		.family = MV88E6XXX_FAMILY_6393,
6099 		.name = "Marvell 88E6191X",
6100 		.num_databases = 4096,
6101 		.num_ports = 11,	/* 10 + Z80 */
6102 		.num_internal_phys = 8,
6103 		.internal_phys_offset = 1,
6104 		.max_vid = 8191,
6105 		.max_sid = 63,
6106 		.port_base_addr = 0x0,
6107 		.phy_base_addr = 0x0,
6108 		.global1_addr = 0x1b,
6109 		.global2_addr = 0x1c,
6110 		.age_time_coeff = 3750,
6111 		.g1_irqs = 10,
6112 		.g2_irqs = 14,
6113 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6114 		.atu_move_port_mask = 0x1f,
6115 		.pvt = true,
6116 		.multi_chip = true,
6117 		.ptp_support = true,
6118 		.ops = &mv88e6393x_ops,
6119 	},
6120 
6121 	[MV88E6193X] = {
6122 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6193X,
6123 		.family = MV88E6XXX_FAMILY_6393,
6124 		.name = "Marvell 88E6193X",
6125 		.num_databases = 4096,
6126 		.num_ports = 11,	/* 10 + Z80 */
6127 		.num_internal_phys = 8,
6128 		.internal_phys_offset = 1,
6129 		.max_vid = 8191,
6130 		.max_sid = 63,
6131 		.port_base_addr = 0x0,
6132 		.phy_base_addr = 0x0,
6133 		.global1_addr = 0x1b,
6134 		.global2_addr = 0x1c,
6135 		.age_time_coeff = 3750,
6136 		.g1_irqs = 10,
6137 		.g2_irqs = 14,
6138 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6139 		.atu_move_port_mask = 0x1f,
6140 		.pvt = true,
6141 		.multi_chip = true,
6142 		.ptp_support = true,
6143 		.ops = &mv88e6393x_ops,
6144 	},
6145 
6146 	[MV88E6220] = {
6147 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6220,
6148 		.family = MV88E6XXX_FAMILY_6250,
6149 		.name = "Marvell 88E6220",
6150 		.num_databases = 64,
6151 
6152 		/* Ports 2-4 are not routed to pins
6153 		 * => usable ports 0, 1, 5, 6
6154 		 */
6155 		.num_ports = 7,
6156 		.num_internal_phys = 2,
6157 		.invalid_port_mask = BIT(2) | BIT(3) | BIT(4),
6158 		.max_vid = 4095,
6159 		.port_base_addr = 0x08,
6160 		.phy_base_addr = 0x00,
6161 		.global1_addr = 0x0f,
6162 		.global2_addr = 0x07,
6163 		.age_time_coeff = 15000,
6164 		.g1_irqs = 9,
6165 		.g2_irqs = 10,
6166 		.stats_type = STATS_TYPE_BANK0,
6167 		.atu_move_port_mask = 0xf,
6168 		.dual_chip = true,
6169 		.ptp_support = true,
6170 		.ops = &mv88e6250_ops,
6171 	},
6172 
6173 	[MV88E6240] = {
6174 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6240,
6175 		.family = MV88E6XXX_FAMILY_6352,
6176 		.name = "Marvell 88E6240",
6177 		.num_databases = 4096,
6178 		.num_macs = 8192,
6179 		.num_ports = 7,
6180 		.num_internal_phys = 5,
6181 		.num_gpio = 15,
6182 		.max_vid = 4095,
6183 		.max_sid = 63,
6184 		.port_base_addr = 0x10,
6185 		.phy_base_addr = 0x0,
6186 		.global1_addr = 0x1b,
6187 		.global2_addr = 0x1c,
6188 		.age_time_coeff = 15000,
6189 		.g1_irqs = 9,
6190 		.g2_irqs = 10,
6191 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
6192 		.atu_move_port_mask = 0xf,
6193 		.pvt = true,
6194 		.multi_chip = true,
6195 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6196 		.ptp_support = true,
6197 		.ops = &mv88e6240_ops,
6198 	},
6199 
6200 	[MV88E6250] = {
6201 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6250,
6202 		.family = MV88E6XXX_FAMILY_6250,
6203 		.name = "Marvell 88E6250",
6204 		.num_databases = 64,
6205 		.num_ports = 7,
6206 		.num_internal_phys = 5,
6207 		.max_vid = 4095,
6208 		.port_base_addr = 0x08,
6209 		.phy_base_addr = 0x00,
6210 		.global1_addr = 0x0f,
6211 		.global2_addr = 0x07,
6212 		.age_time_coeff = 15000,
6213 		.g1_irqs = 9,
6214 		.g2_irqs = 10,
6215 		.stats_type = STATS_TYPE_BANK0,
6216 		.atu_move_port_mask = 0xf,
6217 		.dual_chip = true,
6218 		.ptp_support = true,
6219 		.ops = &mv88e6250_ops,
6220 	},
6221 
6222 	[MV88E6290] = {
6223 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6290,
6224 		.family = MV88E6XXX_FAMILY_6390,
6225 		.name = "Marvell 88E6290",
6226 		.num_databases = 4096,
6227 		.num_ports = 11,	/* 10 + Z80 */
6228 		.num_internal_phys = 9,
6229 		.num_gpio = 16,
6230 		.max_vid = 8191,
6231 		.max_sid = 63,
6232 		.port_base_addr = 0x0,
6233 		.phy_base_addr = 0x0,
6234 		.global1_addr = 0x1b,
6235 		.global2_addr = 0x1c,
6236 		.age_time_coeff = 3750,
6237 		.g1_irqs = 9,
6238 		.g2_irqs = 14,
6239 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6240 		.atu_move_port_mask = 0x1f,
6241 		.pvt = true,
6242 		.multi_chip = true,
6243 		.ptp_support = true,
6244 		.ops = &mv88e6290_ops,
6245 	},
6246 
6247 	[MV88E6320] = {
6248 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6320,
6249 		.family = MV88E6XXX_FAMILY_6320,
6250 		.name = "Marvell 88E6320",
6251 		.num_databases = 4096,
6252 		.num_macs = 8192,
6253 		.num_ports = 7,
6254 		.num_internal_phys = 2,
6255 		.internal_phys_offset = 3,
6256 		.num_gpio = 15,
6257 		.max_vid = 4095,
6258 		.max_sid = 63,
6259 		.port_base_addr = 0x10,
6260 		.phy_base_addr = 0x0,
6261 		.global1_addr = 0x1b,
6262 		.global2_addr = 0x1c,
6263 		.age_time_coeff = 15000,
6264 		.g1_irqs = 8,
6265 		.g2_irqs = 10,
6266 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6267 		.atu_move_port_mask = 0xf,
6268 		.pvt = true,
6269 		.multi_chip = true,
6270 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6271 		.ptp_support = true,
6272 		.ops = &mv88e6320_ops,
6273 	},
6274 
6275 	[MV88E6321] = {
6276 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6321,
6277 		.family = MV88E6XXX_FAMILY_6320,
6278 		.name = "Marvell 88E6321",
6279 		.num_databases = 4096,
6280 		.num_macs = 8192,
6281 		.num_ports = 7,
6282 		.num_internal_phys = 2,
6283 		.internal_phys_offset = 3,
6284 		.num_gpio = 15,
6285 		.max_vid = 4095,
6286 		.max_sid = 63,
6287 		.port_base_addr = 0x10,
6288 		.phy_base_addr = 0x0,
6289 		.global1_addr = 0x1b,
6290 		.global2_addr = 0x1c,
6291 		.age_time_coeff = 15000,
6292 		.g1_irqs = 8,
6293 		.g2_irqs = 10,
6294 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6295 		.atu_move_port_mask = 0xf,
6296 		.pvt = true,
6297 		.multi_chip = true,
6298 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6299 		.ptp_support = true,
6300 		.ops = &mv88e6321_ops,
6301 	},
6302 
6303 	[MV88E6341] = {
6304 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6341,
6305 		.family = MV88E6XXX_FAMILY_6341,
6306 		.name = "Marvell 88E6341",
6307 		.num_databases = 256,
6308 		.num_macs = 2048,
6309 		.num_internal_phys = 5,
6310 		.num_ports = 6,
6311 		.num_gpio = 11,
6312 		.max_vid = 4095,
6313 		.max_sid = 63,
6314 		.port_base_addr = 0x10,
6315 		.phy_base_addr = 0x10,
6316 		.global1_addr = 0x1b,
6317 		.global2_addr = 0x1c,
6318 		.age_time_coeff = 3750,
6319 		.atu_move_port_mask = 0xf,
6320 		.g1_irqs = 9,
6321 		.g2_irqs = 10,
6322 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6323 		.pvt = true,
6324 		.multi_chip = true,
6325 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6326 		.ptp_support = true,
6327 		.ops = &mv88e6341_ops,
6328 	},
6329 
6330 	[MV88E6350] = {
6331 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6350,
6332 		.family = MV88E6XXX_FAMILY_6351,
6333 		.name = "Marvell 88E6350",
6334 		.num_databases = 4096,
6335 		.num_macs = 8192,
6336 		.num_ports = 7,
6337 		.num_internal_phys = 5,
6338 		.max_vid = 4095,
6339 		.max_sid = 63,
6340 		.port_base_addr = 0x10,
6341 		.phy_base_addr = 0x0,
6342 		.global1_addr = 0x1b,
6343 		.global2_addr = 0x1c,
6344 		.age_time_coeff = 15000,
6345 		.g1_irqs = 9,
6346 		.g2_irqs = 10,
6347 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
6348 		.atu_move_port_mask = 0xf,
6349 		.pvt = true,
6350 		.multi_chip = true,
6351 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6352 		.ops = &mv88e6350_ops,
6353 	},
6354 
6355 	[MV88E6351] = {
6356 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6351,
6357 		.family = MV88E6XXX_FAMILY_6351,
6358 		.name = "Marvell 88E6351",
6359 		.num_databases = 4096,
6360 		.num_macs = 8192,
6361 		.num_ports = 7,
6362 		.num_internal_phys = 5,
6363 		.max_vid = 4095,
6364 		.max_sid = 63,
6365 		.port_base_addr = 0x10,
6366 		.phy_base_addr = 0x0,
6367 		.global1_addr = 0x1b,
6368 		.global2_addr = 0x1c,
6369 		.age_time_coeff = 15000,
6370 		.g1_irqs = 9,
6371 		.g2_irqs = 10,
6372 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
6373 		.atu_move_port_mask = 0xf,
6374 		.pvt = true,
6375 		.multi_chip = true,
6376 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6377 		.ops = &mv88e6351_ops,
6378 	},
6379 
6380 	[MV88E6352] = {
6381 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6352,
6382 		.family = MV88E6XXX_FAMILY_6352,
6383 		.name = "Marvell 88E6352",
6384 		.num_databases = 4096,
6385 		.num_macs = 8192,
6386 		.num_ports = 7,
6387 		.num_internal_phys = 5,
6388 		.num_gpio = 15,
6389 		.max_vid = 4095,
6390 		.max_sid = 63,
6391 		.port_base_addr = 0x10,
6392 		.phy_base_addr = 0x0,
6393 		.global1_addr = 0x1b,
6394 		.global2_addr = 0x1c,
6395 		.age_time_coeff = 15000,
6396 		.g1_irqs = 9,
6397 		.g2_irqs = 10,
6398 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_PORT,
6399 		.atu_move_port_mask = 0xf,
6400 		.pvt = true,
6401 		.multi_chip = true,
6402 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6403 		.ptp_support = true,
6404 		.ops = &mv88e6352_ops,
6405 	},
6406 	[MV88E6361] = {
6407 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6361,
6408 		.family = MV88E6XXX_FAMILY_6393,
6409 		.name = "Marvell 88E6361",
6410 		.num_databases = 4096,
6411 		.num_macs = 16384,
6412 		.num_ports = 11,
6413 		/* Ports 1, 2 and 8 are not routed */
6414 		.invalid_port_mask = BIT(1) | BIT(2) | BIT(8),
6415 		.num_internal_phys = 5,
6416 		.internal_phys_offset = 3,
6417 		.max_vid = 8191,
6418 		.max_sid = 63,
6419 		.port_base_addr = 0x0,
6420 		.phy_base_addr = 0x0,
6421 		.global1_addr = 0x1b,
6422 		.global2_addr = 0x1c,
6423 		.age_time_coeff = 3750,
6424 		.g1_irqs = 10,
6425 		.g2_irqs = 14,
6426 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6427 		.atu_move_port_mask = 0x1f,
6428 		.pvt = true,
6429 		.multi_chip = true,
6430 		.ptp_support = true,
6431 		.ops = &mv88e6393x_ops,
6432 	},
6433 	[MV88E6390] = {
6434 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
6435 		.family = MV88E6XXX_FAMILY_6390,
6436 		.name = "Marvell 88E6390",
6437 		.num_databases = 4096,
6438 		.num_macs = 16384,
6439 		.num_ports = 11,	/* 10 + Z80 */
6440 		.num_internal_phys = 9,
6441 		.num_gpio = 16,
6442 		.max_vid = 8191,
6443 		.max_sid = 63,
6444 		.port_base_addr = 0x0,
6445 		.phy_base_addr = 0x0,
6446 		.global1_addr = 0x1b,
6447 		.global2_addr = 0x1c,
6448 		.age_time_coeff = 3750,
6449 		.g1_irqs = 9,
6450 		.g2_irqs = 14,
6451 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6452 		.atu_move_port_mask = 0x1f,
6453 		.pvt = true,
6454 		.multi_chip = true,
6455 		.edsa_support = MV88E6XXX_EDSA_UNDOCUMENTED,
6456 		.ptp_support = true,
6457 		.ops = &mv88e6390_ops,
6458 	},
6459 	[MV88E6390X] = {
6460 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390X,
6461 		.family = MV88E6XXX_FAMILY_6390,
6462 		.name = "Marvell 88E6390X",
6463 		.num_databases = 4096,
6464 		.num_macs = 16384,
6465 		.num_ports = 11,	/* 10 + Z80 */
6466 		.num_internal_phys = 9,
6467 		.num_gpio = 16,
6468 		.max_vid = 8191,
6469 		.max_sid = 63,
6470 		.port_base_addr = 0x0,
6471 		.phy_base_addr = 0x0,
6472 		.global1_addr = 0x1b,
6473 		.global2_addr = 0x1c,
6474 		.age_time_coeff = 3750,
6475 		.g1_irqs = 9,
6476 		.g2_irqs = 14,
6477 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6478 		.atu_move_port_mask = 0x1f,
6479 		.pvt = true,
6480 		.multi_chip = true,
6481 		.edsa_support = MV88E6XXX_EDSA_UNDOCUMENTED,
6482 		.ptp_support = true,
6483 		.ops = &mv88e6390x_ops,
6484 	},
6485 
6486 	[MV88E6393X] = {
6487 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6393X,
6488 		.family = MV88E6XXX_FAMILY_6393,
6489 		.name = "Marvell 88E6393X",
6490 		.num_databases = 4096,
6491 		.num_ports = 11,	/* 10 + Z80 */
6492 		.num_internal_phys = 8,
6493 		.internal_phys_offset = 1,
6494 		.max_vid = 8191,
6495 		.max_sid = 63,
6496 		.port_base_addr = 0x0,
6497 		.phy_base_addr = 0x0,
6498 		.global1_addr = 0x1b,
6499 		.global2_addr = 0x1c,
6500 		.age_time_coeff = 3750,
6501 		.g1_irqs = 10,
6502 		.g2_irqs = 14,
6503 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
6504 		.atu_move_port_mask = 0x1f,
6505 		.pvt = true,
6506 		.multi_chip = true,
6507 		.ptp_support = true,
6508 		.ops = &mv88e6393x_ops,
6509 	},
6510 };
6511 
mv88e6xxx_lookup_info(unsigned int prod_num)6512 static const struct mv88e6xxx_info *mv88e6xxx_lookup_info(unsigned int prod_num)
6513 {
6514 	int i;
6515 
6516 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_table); ++i)
6517 		if (mv88e6xxx_table[i].prod_num == prod_num)
6518 			return &mv88e6xxx_table[i];
6519 
6520 	return NULL;
6521 }
6522 
mv88e6xxx_detect(struct mv88e6xxx_chip * chip)6523 static int mv88e6xxx_detect(struct mv88e6xxx_chip *chip)
6524 {
6525 	const struct mv88e6xxx_info *info;
6526 	unsigned int prod_num, rev;
6527 	u16 id;
6528 	int err;
6529 
6530 	mv88e6xxx_reg_lock(chip);
6531 	err = mv88e6xxx_port_read(chip, 0, MV88E6XXX_PORT_SWITCH_ID, &id);
6532 	mv88e6xxx_reg_unlock(chip);
6533 	if (err)
6534 		return err;
6535 
6536 	prod_num = id & MV88E6XXX_PORT_SWITCH_ID_PROD_MASK;
6537 	rev = id & MV88E6XXX_PORT_SWITCH_ID_REV_MASK;
6538 
6539 	info = mv88e6xxx_lookup_info(prod_num);
6540 	if (!info)
6541 		return -ENODEV;
6542 
6543 	/* Update the compatible info with the probed one */
6544 	chip->info = info;
6545 
6546 	dev_info(chip->dev, "switch 0x%x detected: %s, revision %u\n",
6547 		 chip->info->prod_num, chip->info->name, rev);
6548 
6549 	return 0;
6550 }
6551 
mv88e6xxx_single_chip_detect(struct mv88e6xxx_chip * chip,struct mdio_device * mdiodev)6552 static int mv88e6xxx_single_chip_detect(struct mv88e6xxx_chip *chip,
6553 					struct mdio_device *mdiodev)
6554 {
6555 	int err;
6556 
6557 	/* dual_chip takes precedence over single/multi-chip modes */
6558 	if (chip->info->dual_chip)
6559 		return -EINVAL;
6560 
6561 	/* If the mdio addr is 16 indicating the first port address of a switch
6562 	 * (e.g. mv88e6*41) in single chip addressing mode the device may be
6563 	 * configured in single chip addressing mode. Setup the smi access as
6564 	 * single chip addressing mode and attempt to detect the model of the
6565 	 * switch, if this fails the device is not configured in single chip
6566 	 * addressing mode.
6567 	 */
6568 	if (mdiodev->addr != 16)
6569 		return -EINVAL;
6570 
6571 	err = mv88e6xxx_smi_init(chip, mdiodev->bus, 0);
6572 	if (err)
6573 		return err;
6574 
6575 	return mv88e6xxx_detect(chip);
6576 }
6577 
mv88e6xxx_alloc_chip(struct device * dev)6578 static struct mv88e6xxx_chip *mv88e6xxx_alloc_chip(struct device *dev)
6579 {
6580 	struct mv88e6xxx_chip *chip;
6581 
6582 	chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
6583 	if (!chip)
6584 		return NULL;
6585 
6586 	chip->dev = dev;
6587 
6588 	mutex_init(&chip->reg_lock);
6589 	INIT_LIST_HEAD(&chip->mdios);
6590 	idr_init(&chip->policies);
6591 	INIT_LIST_HEAD(&chip->msts);
6592 
6593 	return chip;
6594 }
6595 
mv88e6xxx_get_tag_protocol(struct dsa_switch * ds,int port,enum dsa_tag_protocol m)6596 static enum dsa_tag_protocol mv88e6xxx_get_tag_protocol(struct dsa_switch *ds,
6597 							int port,
6598 							enum dsa_tag_protocol m)
6599 {
6600 	struct mv88e6xxx_chip *chip = ds->priv;
6601 
6602 	return chip->tag_protocol;
6603 }
6604 
mv88e6xxx_change_tag_protocol(struct dsa_switch * ds,enum dsa_tag_protocol proto)6605 static int mv88e6xxx_change_tag_protocol(struct dsa_switch *ds,
6606 					 enum dsa_tag_protocol proto)
6607 {
6608 	struct mv88e6xxx_chip *chip = ds->priv;
6609 	enum dsa_tag_protocol old_protocol;
6610 	struct dsa_port *cpu_dp;
6611 	int err;
6612 
6613 	switch (proto) {
6614 	case DSA_TAG_PROTO_EDSA:
6615 		switch (chip->info->edsa_support) {
6616 		case MV88E6XXX_EDSA_UNSUPPORTED:
6617 			return -EPROTONOSUPPORT;
6618 		case MV88E6XXX_EDSA_UNDOCUMENTED:
6619 			dev_warn(chip->dev, "Relying on undocumented EDSA tagging behavior\n");
6620 			fallthrough;
6621 		case MV88E6XXX_EDSA_SUPPORTED:
6622 			break;
6623 		}
6624 		break;
6625 	case DSA_TAG_PROTO_DSA:
6626 		break;
6627 	default:
6628 		return -EPROTONOSUPPORT;
6629 	}
6630 
6631 	old_protocol = chip->tag_protocol;
6632 	chip->tag_protocol = proto;
6633 
6634 	mv88e6xxx_reg_lock(chip);
6635 	dsa_switch_for_each_cpu_port(cpu_dp, ds) {
6636 		err = mv88e6xxx_setup_port_mode(chip, cpu_dp->index);
6637 		if (err) {
6638 			mv88e6xxx_reg_unlock(chip);
6639 			goto unwind;
6640 		}
6641 	}
6642 	mv88e6xxx_reg_unlock(chip);
6643 
6644 	return 0;
6645 
6646 unwind:
6647 	chip->tag_protocol = old_protocol;
6648 
6649 	mv88e6xxx_reg_lock(chip);
6650 	dsa_switch_for_each_cpu_port_continue_reverse(cpu_dp, ds)
6651 		mv88e6xxx_setup_port_mode(chip, cpu_dp->index);
6652 	mv88e6xxx_reg_unlock(chip);
6653 
6654 	return err;
6655 }
6656 
mv88e6xxx_port_mdb_add(struct dsa_switch * ds,int port,const struct switchdev_obj_port_mdb * mdb,struct dsa_db db)6657 static int mv88e6xxx_port_mdb_add(struct dsa_switch *ds, int port,
6658 				  const struct switchdev_obj_port_mdb *mdb,
6659 				  struct dsa_db db)
6660 {
6661 	struct mv88e6xxx_chip *chip = ds->priv;
6662 	int err;
6663 
6664 	mv88e6xxx_reg_lock(chip);
6665 	err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid,
6666 					   MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC);
6667 	if (err)
6668 		goto out;
6669 
6670 	if (!mv88e6xxx_port_db_find(chip, mdb->addr, mdb->vid))
6671 		err = -ENOSPC;
6672 
6673 out:
6674 	mv88e6xxx_reg_unlock(chip);
6675 
6676 	return err;
6677 }
6678 
mv88e6xxx_port_mdb_del(struct dsa_switch * ds,int port,const struct switchdev_obj_port_mdb * mdb,struct dsa_db db)6679 static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, int port,
6680 				  const struct switchdev_obj_port_mdb *mdb,
6681 				  struct dsa_db db)
6682 {
6683 	struct mv88e6xxx_chip *chip = ds->priv;
6684 	int err;
6685 
6686 	mv88e6xxx_reg_lock(chip);
6687 	err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid, 0);
6688 	mv88e6xxx_reg_unlock(chip);
6689 
6690 	return err;
6691 }
6692 
mv88e6xxx_port_mirror_add(struct dsa_switch * ds,int port,struct dsa_mall_mirror_tc_entry * mirror,bool ingress,struct netlink_ext_ack * extack)6693 static int mv88e6xxx_port_mirror_add(struct dsa_switch *ds, int port,
6694 				     struct dsa_mall_mirror_tc_entry *mirror,
6695 				     bool ingress,
6696 				     struct netlink_ext_ack *extack)
6697 {
6698 	enum mv88e6xxx_egress_direction direction = ingress ?
6699 						MV88E6XXX_EGRESS_DIR_INGRESS :
6700 						MV88E6XXX_EGRESS_DIR_EGRESS;
6701 	struct mv88e6xxx_chip *chip = ds->priv;
6702 	bool other_mirrors = false;
6703 	int i;
6704 	int err;
6705 
6706 	mutex_lock(&chip->reg_lock);
6707 	if ((ingress ? chip->ingress_dest_port : chip->egress_dest_port) !=
6708 	    mirror->to_local_port) {
6709 		for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
6710 			other_mirrors |= ingress ?
6711 					 chip->ports[i].mirror_ingress :
6712 					 chip->ports[i].mirror_egress;
6713 
6714 		/* Can't change egress port when other mirror is active */
6715 		if (other_mirrors) {
6716 			err = -EBUSY;
6717 			goto out;
6718 		}
6719 
6720 		err = mv88e6xxx_set_egress_port(chip, direction,
6721 						mirror->to_local_port);
6722 		if (err)
6723 			goto out;
6724 	}
6725 
6726 	err = mv88e6xxx_port_set_mirror(chip, port, direction, true);
6727 out:
6728 	mutex_unlock(&chip->reg_lock);
6729 
6730 	return err;
6731 }
6732 
mv88e6xxx_port_mirror_del(struct dsa_switch * ds,int port,struct dsa_mall_mirror_tc_entry * mirror)6733 static void mv88e6xxx_port_mirror_del(struct dsa_switch *ds, int port,
6734 				      struct dsa_mall_mirror_tc_entry *mirror)
6735 {
6736 	enum mv88e6xxx_egress_direction direction = mirror->ingress ?
6737 						MV88E6XXX_EGRESS_DIR_INGRESS :
6738 						MV88E6XXX_EGRESS_DIR_EGRESS;
6739 	struct mv88e6xxx_chip *chip = ds->priv;
6740 	bool other_mirrors = false;
6741 	int i;
6742 
6743 	mutex_lock(&chip->reg_lock);
6744 	if (mv88e6xxx_port_set_mirror(chip, port, direction, false))
6745 		dev_err(ds->dev, "p%d: failed to disable mirroring\n", port);
6746 
6747 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
6748 		other_mirrors |= mirror->ingress ?
6749 				 chip->ports[i].mirror_ingress :
6750 				 chip->ports[i].mirror_egress;
6751 
6752 	/* Reset egress port when no other mirror is active */
6753 	if (!other_mirrors) {
6754 		if (mv88e6xxx_set_egress_port(chip, direction,
6755 					      dsa_upstream_port(ds, port)))
6756 			dev_err(ds->dev, "failed to set egress port\n");
6757 	}
6758 
6759 	mutex_unlock(&chip->reg_lock);
6760 }
6761 
mv88e6xxx_port_pre_bridge_flags(struct dsa_switch * ds,int port,struct switchdev_brport_flags flags,struct netlink_ext_ack * extack)6762 static int mv88e6xxx_port_pre_bridge_flags(struct dsa_switch *ds, int port,
6763 					   struct switchdev_brport_flags flags,
6764 					   struct netlink_ext_ack *extack)
6765 {
6766 	struct mv88e6xxx_chip *chip = ds->priv;
6767 	const struct mv88e6xxx_ops *ops;
6768 
6769 	if (flags.mask & ~(BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD |
6770 			   BR_BCAST_FLOOD | BR_PORT_LOCKED | BR_PORT_MAB))
6771 		return -EINVAL;
6772 
6773 	ops = chip->info->ops;
6774 
6775 	if ((flags.mask & BR_FLOOD) && !ops->port_set_ucast_flood)
6776 		return -EINVAL;
6777 
6778 	if ((flags.mask & BR_MCAST_FLOOD) && !ops->port_set_mcast_flood)
6779 		return -EINVAL;
6780 
6781 	return 0;
6782 }
6783 
mv88e6xxx_port_bridge_flags(struct dsa_switch * ds,int port,struct switchdev_brport_flags flags,struct netlink_ext_ack * extack)6784 static int mv88e6xxx_port_bridge_flags(struct dsa_switch *ds, int port,
6785 				       struct switchdev_brport_flags flags,
6786 				       struct netlink_ext_ack *extack)
6787 {
6788 	struct mv88e6xxx_chip *chip = ds->priv;
6789 	int err = 0;
6790 
6791 	mv88e6xxx_reg_lock(chip);
6792 
6793 	if (flags.mask & BR_LEARNING) {
6794 		bool learning = !!(flags.val & BR_LEARNING);
6795 		u16 pav = learning ? (1 << port) : 0;
6796 
6797 		err = mv88e6xxx_port_set_assoc_vector(chip, port, pav);
6798 		if (err)
6799 			goto out;
6800 	}
6801 
6802 	if (flags.mask & BR_FLOOD) {
6803 		bool unicast = !!(flags.val & BR_FLOOD);
6804 
6805 		err = chip->info->ops->port_set_ucast_flood(chip, port,
6806 							    unicast);
6807 		if (err)
6808 			goto out;
6809 	}
6810 
6811 	if (flags.mask & BR_MCAST_FLOOD) {
6812 		bool multicast = !!(flags.val & BR_MCAST_FLOOD);
6813 
6814 		err = chip->info->ops->port_set_mcast_flood(chip, port,
6815 							    multicast);
6816 		if (err)
6817 			goto out;
6818 	}
6819 
6820 	if (flags.mask & BR_BCAST_FLOOD) {
6821 		bool broadcast = !!(flags.val & BR_BCAST_FLOOD);
6822 
6823 		err = mv88e6xxx_port_broadcast_sync(chip, port, broadcast);
6824 		if (err)
6825 			goto out;
6826 	}
6827 
6828 	if (flags.mask & BR_PORT_MAB) {
6829 		bool mab = !!(flags.val & BR_PORT_MAB);
6830 
6831 		mv88e6xxx_port_set_mab(chip, port, mab);
6832 	}
6833 
6834 	if (flags.mask & BR_PORT_LOCKED) {
6835 		bool locked = !!(flags.val & BR_PORT_LOCKED);
6836 
6837 		err = mv88e6xxx_port_set_lock(chip, port, locked);
6838 		if (err)
6839 			goto out;
6840 	}
6841 out:
6842 	mv88e6xxx_reg_unlock(chip);
6843 
6844 	return err;
6845 }
6846 
mv88e6xxx_lag_can_offload(struct dsa_switch * ds,struct dsa_lag lag,struct netdev_lag_upper_info * info,struct netlink_ext_ack * extack)6847 static bool mv88e6xxx_lag_can_offload(struct dsa_switch *ds,
6848 				      struct dsa_lag lag,
6849 				      struct netdev_lag_upper_info *info,
6850 				      struct netlink_ext_ack *extack)
6851 {
6852 	struct mv88e6xxx_chip *chip = ds->priv;
6853 	struct dsa_port *dp;
6854 	int members = 0;
6855 
6856 	if (!mv88e6xxx_has_lag(chip)) {
6857 		NL_SET_ERR_MSG_MOD(extack, "Chip does not support LAG offload");
6858 		return false;
6859 	}
6860 
6861 	if (!lag.id)
6862 		return false;
6863 
6864 	dsa_lag_foreach_port(dp, ds->dst, &lag)
6865 		/* Includes the port joining the LAG */
6866 		members++;
6867 
6868 	if (members > 8) {
6869 		NL_SET_ERR_MSG_MOD(extack,
6870 				   "Cannot offload more than 8 LAG ports");
6871 		return false;
6872 	}
6873 
6874 	/* We could potentially relax this to include active
6875 	 * backup in the future.
6876 	 */
6877 	if (info->tx_type != NETDEV_LAG_TX_TYPE_HASH) {
6878 		NL_SET_ERR_MSG_MOD(extack,
6879 				   "Can only offload LAG using hash TX type");
6880 		return false;
6881 	}
6882 
6883 	/* Ideally we would also validate that the hash type matches
6884 	 * the hardware. Alas, this is always set to unknown on team
6885 	 * interfaces.
6886 	 */
6887 	return true;
6888 }
6889 
mv88e6xxx_lag_sync_map(struct dsa_switch * ds,struct dsa_lag lag)6890 static int mv88e6xxx_lag_sync_map(struct dsa_switch *ds, struct dsa_lag lag)
6891 {
6892 	struct mv88e6xxx_chip *chip = ds->priv;
6893 	struct dsa_port *dp;
6894 	u16 map = 0;
6895 	int id;
6896 
6897 	/* DSA LAG IDs are one-based, hardware is zero-based */
6898 	id = lag.id - 1;
6899 
6900 	/* Build the map of all ports to distribute flows destined for
6901 	 * this LAG. This can be either a local user port, or a DSA
6902 	 * port if the LAG port is on a remote chip.
6903 	 */
6904 	dsa_lag_foreach_port(dp, ds->dst, &lag)
6905 		map |= BIT(dsa_towards_port(ds, dp->ds->index, dp->index));
6906 
6907 	return mv88e6xxx_g2_trunk_mapping_write(chip, id, map);
6908 }
6909 
6910 static const u8 mv88e6xxx_lag_mask_table[8][8] = {
6911 	/* Row number corresponds to the number of active members in a
6912 	 * LAG. Each column states which of the eight hash buckets are
6913 	 * mapped to the column:th port in the LAG.
6914 	 *
6915 	 * Example: In a LAG with three active ports, the second port
6916 	 * ([2][1]) would be selected for traffic mapped to buckets
6917 	 * 3,4,5 (0x38).
6918 	 */
6919 	{ 0xff,    0,    0,    0,    0,    0,    0,    0 },
6920 	{ 0x0f, 0xf0,    0,    0,    0,    0,    0,    0 },
6921 	{ 0x07, 0x38, 0xc0,    0,    0,    0,    0,    0 },
6922 	{ 0x03, 0x0c, 0x30, 0xc0,    0,    0,    0,    0 },
6923 	{ 0x03, 0x0c, 0x30, 0x40, 0x80,    0,    0,    0 },
6924 	{ 0x03, 0x0c, 0x10, 0x20, 0x40, 0x80,    0,    0 },
6925 	{ 0x03, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,    0 },
6926 	{ 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 },
6927 };
6928 
mv88e6xxx_lag_set_port_mask(u16 * mask,int port,int num_tx,int nth)6929 static void mv88e6xxx_lag_set_port_mask(u16 *mask, int port,
6930 					int num_tx, int nth)
6931 {
6932 	u8 active = 0;
6933 	int i;
6934 
6935 	num_tx = num_tx <= 8 ? num_tx : 8;
6936 	if (nth < num_tx)
6937 		active = mv88e6xxx_lag_mask_table[num_tx - 1][nth];
6938 
6939 	for (i = 0; i < 8; i++) {
6940 		if (BIT(i) & active)
6941 			mask[i] |= BIT(port);
6942 	}
6943 }
6944 
mv88e6xxx_lag_sync_masks(struct dsa_switch * ds)6945 static int mv88e6xxx_lag_sync_masks(struct dsa_switch *ds)
6946 {
6947 	struct mv88e6xxx_chip *chip = ds->priv;
6948 	unsigned int id, num_tx;
6949 	struct dsa_port *dp;
6950 	struct dsa_lag *lag;
6951 	int i, err, nth;
6952 	u16 mask[8];
6953 	u16 ivec;
6954 
6955 	/* Assume no port is a member of any LAG. */
6956 	ivec = BIT(mv88e6xxx_num_ports(chip)) - 1;
6957 
6958 	/* Disable all masks for ports that _are_ members of a LAG. */
6959 	dsa_switch_for_each_port(dp, ds) {
6960 		if (!dp->lag)
6961 			continue;
6962 
6963 		ivec &= ~BIT(dp->index);
6964 	}
6965 
6966 	for (i = 0; i < 8; i++)
6967 		mask[i] = ivec;
6968 
6969 	/* Enable the correct subset of masks for all LAG ports that
6970 	 * are in the Tx set.
6971 	 */
6972 	dsa_lags_foreach_id(id, ds->dst) {
6973 		lag = dsa_lag_by_id(ds->dst, id);
6974 		if (!lag)
6975 			continue;
6976 
6977 		num_tx = 0;
6978 		dsa_lag_foreach_port(dp, ds->dst, lag) {
6979 			if (dp->lag_tx_enabled)
6980 				num_tx++;
6981 		}
6982 
6983 		if (!num_tx)
6984 			continue;
6985 
6986 		nth = 0;
6987 		dsa_lag_foreach_port(dp, ds->dst, lag) {
6988 			if (!dp->lag_tx_enabled)
6989 				continue;
6990 
6991 			if (dp->ds == ds)
6992 				mv88e6xxx_lag_set_port_mask(mask, dp->index,
6993 							    num_tx, nth);
6994 
6995 			nth++;
6996 		}
6997 	}
6998 
6999 	for (i = 0; i < 8; i++) {
7000 		err = mv88e6xxx_g2_trunk_mask_write(chip, i, true, mask[i]);
7001 		if (err)
7002 			return err;
7003 	}
7004 
7005 	return 0;
7006 }
7007 
mv88e6xxx_lag_sync_masks_map(struct dsa_switch * ds,struct dsa_lag lag)7008 static int mv88e6xxx_lag_sync_masks_map(struct dsa_switch *ds,
7009 					struct dsa_lag lag)
7010 {
7011 	int err;
7012 
7013 	err = mv88e6xxx_lag_sync_masks(ds);
7014 
7015 	if (!err)
7016 		err = mv88e6xxx_lag_sync_map(ds, lag);
7017 
7018 	return err;
7019 }
7020 
mv88e6xxx_port_lag_change(struct dsa_switch * ds,int port)7021 static int mv88e6xxx_port_lag_change(struct dsa_switch *ds, int port)
7022 {
7023 	struct mv88e6xxx_chip *chip = ds->priv;
7024 	int err;
7025 
7026 	mv88e6xxx_reg_lock(chip);
7027 	err = mv88e6xxx_lag_sync_masks(ds);
7028 	mv88e6xxx_reg_unlock(chip);
7029 	return err;
7030 }
7031 
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)7032 static int mv88e6xxx_port_lag_join(struct dsa_switch *ds, int port,
7033 				   struct dsa_lag lag,
7034 				   struct netdev_lag_upper_info *info,
7035 				   struct netlink_ext_ack *extack)
7036 {
7037 	struct mv88e6xxx_chip *chip = ds->priv;
7038 	int err, id;
7039 
7040 	if (!mv88e6xxx_lag_can_offload(ds, lag, info, extack))
7041 		return -EOPNOTSUPP;
7042 
7043 	/* DSA LAG IDs are one-based */
7044 	id = lag.id - 1;
7045 
7046 	mv88e6xxx_reg_lock(chip);
7047 
7048 	err = mv88e6xxx_port_set_trunk(chip, port, true, id);
7049 	if (err)
7050 		goto err_unlock;
7051 
7052 	err = mv88e6xxx_lag_sync_masks_map(ds, lag);
7053 	if (err)
7054 		goto err_clear_trunk;
7055 
7056 	mv88e6xxx_reg_unlock(chip);
7057 	return 0;
7058 
7059 err_clear_trunk:
7060 	mv88e6xxx_port_set_trunk(chip, port, false, 0);
7061 err_unlock:
7062 	mv88e6xxx_reg_unlock(chip);
7063 	return err;
7064 }
7065 
mv88e6xxx_port_lag_leave(struct dsa_switch * ds,int port,struct dsa_lag lag)7066 static int mv88e6xxx_port_lag_leave(struct dsa_switch *ds, int port,
7067 				    struct dsa_lag lag)
7068 {
7069 	struct mv88e6xxx_chip *chip = ds->priv;
7070 	int err_sync, err_trunk;
7071 
7072 	mv88e6xxx_reg_lock(chip);
7073 	err_sync = mv88e6xxx_lag_sync_masks_map(ds, lag);
7074 	err_trunk = mv88e6xxx_port_set_trunk(chip, port, false, 0);
7075 	mv88e6xxx_reg_unlock(chip);
7076 	return err_sync ? : err_trunk;
7077 }
7078 
mv88e6xxx_crosschip_lag_change(struct dsa_switch * ds,int sw_index,int port)7079 static int mv88e6xxx_crosschip_lag_change(struct dsa_switch *ds, int sw_index,
7080 					  int port)
7081 {
7082 	struct mv88e6xxx_chip *chip = ds->priv;
7083 	int err;
7084 
7085 	mv88e6xxx_reg_lock(chip);
7086 	err = mv88e6xxx_lag_sync_masks(ds);
7087 	mv88e6xxx_reg_unlock(chip);
7088 	return err;
7089 }
7090 
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)7091 static int mv88e6xxx_crosschip_lag_join(struct dsa_switch *ds, int sw_index,
7092 					int port, struct dsa_lag lag,
7093 					struct netdev_lag_upper_info *info,
7094 					struct netlink_ext_ack *extack)
7095 {
7096 	struct mv88e6xxx_chip *chip = ds->priv;
7097 	int err;
7098 
7099 	if (!mv88e6xxx_lag_can_offload(ds, lag, info, extack))
7100 		return -EOPNOTSUPP;
7101 
7102 	mv88e6xxx_reg_lock(chip);
7103 
7104 	err = mv88e6xxx_lag_sync_masks_map(ds, lag);
7105 	if (err)
7106 		goto unlock;
7107 
7108 	err = mv88e6xxx_pvt_map(chip, sw_index, port);
7109 
7110 unlock:
7111 	mv88e6xxx_reg_unlock(chip);
7112 	return err;
7113 }
7114 
mv88e6xxx_crosschip_lag_leave(struct dsa_switch * ds,int sw_index,int port,struct dsa_lag lag)7115 static int mv88e6xxx_crosschip_lag_leave(struct dsa_switch *ds, int sw_index,
7116 					 int port, struct dsa_lag lag)
7117 {
7118 	struct mv88e6xxx_chip *chip = ds->priv;
7119 	int err_sync, err_pvt;
7120 
7121 	mv88e6xxx_reg_lock(chip);
7122 	err_sync = mv88e6xxx_lag_sync_masks_map(ds, lag);
7123 	err_pvt = mv88e6xxx_pvt_map(chip, sw_index, port);
7124 	mv88e6xxx_reg_unlock(chip);
7125 	return err_sync ? : err_pvt;
7126 }
7127 
7128 static const struct phylink_mac_ops mv88e6xxx_phylink_mac_ops = {
7129 	.mac_select_pcs		= mv88e6xxx_mac_select_pcs,
7130 	.mac_prepare		= mv88e6xxx_mac_prepare,
7131 	.mac_config		= mv88e6xxx_mac_config,
7132 	.mac_finish		= mv88e6xxx_mac_finish,
7133 	.mac_link_down		= mv88e6xxx_mac_link_down,
7134 	.mac_link_up		= mv88e6xxx_mac_link_up,
7135 };
7136 
7137 static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
7138 	.get_tag_protocol	= mv88e6xxx_get_tag_protocol,
7139 	.change_tag_protocol	= mv88e6xxx_change_tag_protocol,
7140 	.setup			= mv88e6xxx_setup,
7141 	.teardown		= mv88e6xxx_teardown,
7142 	.port_setup		= mv88e6xxx_port_setup,
7143 	.port_teardown		= mv88e6xxx_port_teardown,
7144 	.phylink_get_caps	= mv88e6xxx_get_caps,
7145 	.get_strings		= mv88e6xxx_get_strings,
7146 	.get_ethtool_stats	= mv88e6xxx_get_ethtool_stats,
7147 	.get_eth_mac_stats	= mv88e6xxx_get_eth_mac_stats,
7148 	.get_rmon_stats		= mv88e6xxx_get_rmon_stats,
7149 	.get_sset_count		= mv88e6xxx_get_sset_count,
7150 	.port_max_mtu		= mv88e6xxx_get_max_mtu,
7151 	.port_change_mtu	= mv88e6xxx_change_mtu,
7152 	.support_eee		= dsa_supports_eee,
7153 	.set_mac_eee		= mv88e6xxx_set_mac_eee,
7154 	.get_eeprom_len		= mv88e6xxx_get_eeprom_len,
7155 	.get_eeprom		= mv88e6xxx_get_eeprom,
7156 	.set_eeprom		= mv88e6xxx_set_eeprom,
7157 	.get_regs_len		= mv88e6xxx_get_regs_len,
7158 	.get_regs		= mv88e6xxx_get_regs,
7159 	.get_rxnfc		= mv88e6xxx_get_rxnfc,
7160 	.set_rxnfc		= mv88e6xxx_set_rxnfc,
7161 	.set_ageing_time	= mv88e6xxx_set_ageing_time,
7162 	.port_bridge_join	= mv88e6xxx_port_bridge_join,
7163 	.port_bridge_leave	= mv88e6xxx_port_bridge_leave,
7164 	.port_pre_bridge_flags	= mv88e6xxx_port_pre_bridge_flags,
7165 	.port_bridge_flags	= mv88e6xxx_port_bridge_flags,
7166 	.port_stp_state_set	= mv88e6xxx_port_stp_state_set,
7167 	.port_mst_state_set	= mv88e6xxx_port_mst_state_set,
7168 	.port_fast_age		= mv88e6xxx_port_fast_age,
7169 	.port_vlan_fast_age	= mv88e6xxx_port_vlan_fast_age,
7170 	.port_vlan_filtering	= mv88e6xxx_port_vlan_filtering,
7171 	.port_vlan_add		= mv88e6xxx_port_vlan_add,
7172 	.port_vlan_del		= mv88e6xxx_port_vlan_del,
7173 	.vlan_msti_set		= mv88e6xxx_vlan_msti_set,
7174 	.port_fdb_add		= mv88e6xxx_port_fdb_add,
7175 	.port_fdb_del		= mv88e6xxx_port_fdb_del,
7176 	.port_fdb_dump		= mv88e6xxx_port_fdb_dump,
7177 	.port_mdb_add		= mv88e6xxx_port_mdb_add,
7178 	.port_mdb_del		= mv88e6xxx_port_mdb_del,
7179 	.port_mirror_add	= mv88e6xxx_port_mirror_add,
7180 	.port_mirror_del	= mv88e6xxx_port_mirror_del,
7181 	.crosschip_bridge_join	= mv88e6xxx_crosschip_bridge_join,
7182 	.crosschip_bridge_leave	= mv88e6xxx_crosschip_bridge_leave,
7183 	.port_hwtstamp_set	= mv88e6xxx_port_hwtstamp_set,
7184 	.port_hwtstamp_get	= mv88e6xxx_port_hwtstamp_get,
7185 	.port_txtstamp		= mv88e6xxx_port_txtstamp,
7186 	.port_rxtstamp		= mv88e6xxx_port_rxtstamp,
7187 	.get_ts_info		= mv88e6xxx_get_ts_info,
7188 	.devlink_param_get	= mv88e6xxx_devlink_param_get,
7189 	.devlink_param_set	= mv88e6xxx_devlink_param_set,
7190 	.devlink_info_get	= mv88e6xxx_devlink_info_get,
7191 	.port_lag_change	= mv88e6xxx_port_lag_change,
7192 	.port_lag_join		= mv88e6xxx_port_lag_join,
7193 	.port_lag_leave		= mv88e6xxx_port_lag_leave,
7194 	.crosschip_lag_change	= mv88e6xxx_crosschip_lag_change,
7195 	.crosschip_lag_join	= mv88e6xxx_crosschip_lag_join,
7196 	.crosschip_lag_leave	= mv88e6xxx_crosschip_lag_leave,
7197 };
7198 
mv88e6xxx_register_switch(struct mv88e6xxx_chip * chip)7199 static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip)
7200 {
7201 	struct device *dev = chip->dev;
7202 	struct dsa_switch *ds;
7203 
7204 	ds = devm_kzalloc(dev, sizeof(*ds), GFP_KERNEL);
7205 	if (!ds)
7206 		return -ENOMEM;
7207 
7208 	ds->dev = dev;
7209 	ds->num_ports = mv88e6xxx_num_ports(chip);
7210 	ds->priv = chip;
7211 	ds->dev = dev;
7212 	ds->ops = &mv88e6xxx_switch_ops;
7213 	ds->phylink_mac_ops = &mv88e6xxx_phylink_mac_ops;
7214 	ds->ageing_time_min = chip->info->age_time_coeff;
7215 	ds->ageing_time_max = chip->info->age_time_coeff * U8_MAX;
7216 
7217 	/* Some chips support up to 32, but that requires enabling the
7218 	 * 5-bit port mode, which we do not support. 640k^W16 ought to
7219 	 * be enough for anyone.
7220 	 */
7221 	ds->num_lag_ids = mv88e6xxx_has_lag(chip) ? 16 : 0;
7222 
7223 	dev_set_drvdata(dev, ds);
7224 
7225 	return dsa_register_switch(ds);
7226 }
7227 
mv88e6xxx_unregister_switch(struct mv88e6xxx_chip * chip)7228 static void mv88e6xxx_unregister_switch(struct mv88e6xxx_chip *chip)
7229 {
7230 	dsa_unregister_switch(chip->ds);
7231 }
7232 
pdata_device_get_match_data(struct device * dev)7233 static const void *pdata_device_get_match_data(struct device *dev)
7234 {
7235 	const struct of_device_id *matches = dev->driver->of_match_table;
7236 	const struct dsa_mv88e6xxx_pdata *pdata = dev->platform_data;
7237 
7238 	for (; matches->name[0] || matches->type[0] || matches->compatible[0];
7239 	     matches++) {
7240 		if (!strcmp(pdata->compatible, matches->compatible))
7241 			return matches->data;
7242 	}
7243 	return NULL;
7244 }
7245 
7246 /* There is no suspend to RAM support at DSA level yet, the switch configuration
7247  * would be lost after a power cycle so prevent it to be suspended.
7248  */
mv88e6xxx_suspend(struct device * dev)7249 static int __maybe_unused mv88e6xxx_suspend(struct device *dev)
7250 {
7251 	return -EOPNOTSUPP;
7252 }
7253 
mv88e6xxx_resume(struct device * dev)7254 static int __maybe_unused mv88e6xxx_resume(struct device *dev)
7255 {
7256 	return 0;
7257 }
7258 
7259 static SIMPLE_DEV_PM_OPS(mv88e6xxx_pm_ops, mv88e6xxx_suspend, mv88e6xxx_resume);
7260 
mv88e6xxx_probe(struct mdio_device * mdiodev)7261 static int mv88e6xxx_probe(struct mdio_device *mdiodev)
7262 {
7263 	struct dsa_mv88e6xxx_pdata *pdata = mdiodev->dev.platform_data;
7264 	const struct mv88e6xxx_info *compat_info = NULL;
7265 	struct device *dev = &mdiodev->dev;
7266 	struct device_node *np = dev->of_node;
7267 	struct mv88e6xxx_chip *chip;
7268 	int port;
7269 	int err;
7270 
7271 	if (!np && !pdata)
7272 		return -EINVAL;
7273 
7274 	if (np)
7275 		compat_info = of_device_get_match_data(dev);
7276 
7277 	if (pdata) {
7278 		compat_info = pdata_device_get_match_data(dev);
7279 
7280 		if (!pdata->netdev)
7281 			return -EINVAL;
7282 
7283 		for (port = 0; port < DSA_MAX_PORTS; port++) {
7284 			if (!(pdata->enabled_ports & (1 << port)))
7285 				continue;
7286 			if (strcmp(pdata->cd.port_names[port], "cpu"))
7287 				continue;
7288 			pdata->cd.netdev[port] = &pdata->netdev->dev;
7289 			break;
7290 		}
7291 	}
7292 
7293 	if (!compat_info)
7294 		return -EINVAL;
7295 
7296 	chip = mv88e6xxx_alloc_chip(dev);
7297 	if (!chip) {
7298 		err = -ENOMEM;
7299 		goto out;
7300 	}
7301 
7302 	chip->info = compat_info;
7303 
7304 	chip->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
7305 	if (IS_ERR(chip->reset)) {
7306 		err = PTR_ERR(chip->reset);
7307 		goto out;
7308 	}
7309 	if (chip->reset)
7310 		usleep_range(10000, 20000);
7311 
7312 	/* Detect if the device is configured in single chip addressing mode,
7313 	 * otherwise continue with address specific smi init/detection.
7314 	 */
7315 	err = mv88e6xxx_single_chip_detect(chip, mdiodev);
7316 	if (err) {
7317 		err = mv88e6xxx_smi_init(chip, mdiodev->bus, mdiodev->addr);
7318 		if (err)
7319 			goto out;
7320 
7321 		err = mv88e6xxx_detect(chip);
7322 		if (err)
7323 			goto out;
7324 	}
7325 
7326 	if (chip->info->edsa_support == MV88E6XXX_EDSA_SUPPORTED)
7327 		chip->tag_protocol = DSA_TAG_PROTO_EDSA;
7328 	else
7329 		chip->tag_protocol = DSA_TAG_PROTO_DSA;
7330 
7331 	mv88e6xxx_phy_init(chip);
7332 
7333 	if (chip->info->ops->get_eeprom) {
7334 		if (np)
7335 			of_property_read_u32(np, "eeprom-length",
7336 					     &chip->eeprom_len);
7337 		else
7338 			chip->eeprom_len = pdata->eeprom_len;
7339 	}
7340 
7341 	mv88e6xxx_reg_lock(chip);
7342 	err = mv88e6xxx_switch_reset(chip);
7343 	mv88e6xxx_reg_unlock(chip);
7344 	if (err)
7345 		goto out_phy;
7346 
7347 	if (np) {
7348 		chip->irq = of_irq_get(np, 0);
7349 		if (chip->irq == -EPROBE_DEFER) {
7350 			err = chip->irq;
7351 			goto out_phy;
7352 		}
7353 	}
7354 
7355 	if (pdata)
7356 		chip->irq = pdata->irq;
7357 
7358 	/* Has to be performed before the MDIO bus is created, because
7359 	 * the PHYs will link their interrupts to these interrupt
7360 	 * controllers
7361 	 */
7362 	mv88e6xxx_reg_lock(chip);
7363 	if (chip->irq > 0)
7364 		err = mv88e6xxx_g1_irq_setup(chip);
7365 	else
7366 		err = mv88e6xxx_irq_poll_setup(chip);
7367 	mv88e6xxx_reg_unlock(chip);
7368 
7369 	if (err)
7370 		goto out_phy;
7371 
7372 	if (chip->info->g2_irqs > 0) {
7373 		err = mv88e6xxx_g2_irq_setup(chip);
7374 		if (err)
7375 			goto out_g1_irq;
7376 	}
7377 
7378 	err = mv88e6xxx_g1_atu_prob_irq_setup(chip);
7379 	if (err)
7380 		goto out_g2_irq;
7381 
7382 	err = mv88e6xxx_g1_vtu_prob_irq_setup(chip);
7383 	if (err)
7384 		goto out_g1_atu_prob_irq;
7385 
7386 	err = mv88e6xxx_register_switch(chip);
7387 	if (err)
7388 		goto out_g1_vtu_prob_irq;
7389 
7390 	return 0;
7391 
7392 out_g1_vtu_prob_irq:
7393 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
7394 out_g1_atu_prob_irq:
7395 	mv88e6xxx_g1_atu_prob_irq_free(chip);
7396 out_g2_irq:
7397 	if (chip->info->g2_irqs > 0)
7398 		mv88e6xxx_g2_irq_free(chip);
7399 out_g1_irq:
7400 	if (chip->irq > 0)
7401 		mv88e6xxx_g1_irq_free(chip);
7402 	else
7403 		mv88e6xxx_irq_poll_free(chip);
7404 out_phy:
7405 	mv88e6xxx_phy_destroy(chip);
7406 out:
7407 	if (pdata)
7408 		dev_put(pdata->netdev);
7409 
7410 	return err;
7411 }
7412 
mv88e6xxx_remove(struct mdio_device * mdiodev)7413 static void mv88e6xxx_remove(struct mdio_device *mdiodev)
7414 {
7415 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
7416 	struct mv88e6xxx_chip *chip;
7417 
7418 	if (!ds)
7419 		return;
7420 
7421 	chip = ds->priv;
7422 
7423 	mv88e6xxx_unregister_switch(chip);
7424 
7425 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
7426 	mv88e6xxx_g1_atu_prob_irq_free(chip);
7427 
7428 	if (chip->info->g2_irqs > 0)
7429 		mv88e6xxx_g2_irq_free(chip);
7430 
7431 	if (chip->irq > 0)
7432 		mv88e6xxx_g1_irq_free(chip);
7433 	else
7434 		mv88e6xxx_irq_poll_free(chip);
7435 
7436 	mv88e6xxx_phy_destroy(chip);
7437 }
7438 
mv88e6xxx_shutdown(struct mdio_device * mdiodev)7439 static void mv88e6xxx_shutdown(struct mdio_device *mdiodev)
7440 {
7441 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
7442 
7443 	if (!ds)
7444 		return;
7445 
7446 	dsa_switch_shutdown(ds);
7447 
7448 	dev_set_drvdata(&mdiodev->dev, NULL);
7449 }
7450 
7451 static const struct of_device_id mv88e6xxx_of_match[] = {
7452 	{
7453 		.compatible = "marvell,mv88e6085",
7454 		.data = &mv88e6xxx_table[MV88E6085],
7455 	},
7456 	{
7457 		.compatible = "marvell,mv88e6190",
7458 		.data = &mv88e6xxx_table[MV88E6190],
7459 	},
7460 	{
7461 		.compatible = "marvell,mv88e6250",
7462 		.data = &mv88e6xxx_table[MV88E6250],
7463 	},
7464 	{ /* sentinel */ },
7465 };
7466 
7467 MODULE_DEVICE_TABLE(of, mv88e6xxx_of_match);
7468 
7469 static struct mdio_driver mv88e6xxx_driver = {
7470 	.probe	= mv88e6xxx_probe,
7471 	.remove = mv88e6xxx_remove,
7472 	.shutdown = mv88e6xxx_shutdown,
7473 	.mdiodrv.driver = {
7474 		.name = "mv88e6085",
7475 		.of_match_table = mv88e6xxx_of_match,
7476 		.pm = &mv88e6xxx_pm_ops,
7477 	},
7478 };
7479 
7480 mdio_module_driver(mv88e6xxx_driver);
7481 
7482 MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>");
7483 MODULE_DESCRIPTION("Driver for Marvell 88E6XXX ethernet switch chips");
7484 MODULE_LICENSE("GPL");
7485