1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Marvell 88e6xxx Ethernet switch single-chip support
4  *
5  * Copyright (c) 2008 Marvell Semiconductor
6  *
7  * Copyright (c) 2016 Andrew Lunn <andrew@lunn.ch>
8  *
9  * Copyright (c) 2016-2017 Savoir-faire Linux Inc.
10  *	Vivien Didelot <vivien.didelot@savoirfairelinux.com>
11  */
12 
13 #include <linux/bitfield.h>
14 #include <linux/delay.h>
15 #include <linux/dsa/mv88e6xxx.h>
16 #include <linux/etherdevice.h>
17 #include <linux/ethtool.h>
18 #include <linux/if_bridge.h>
19 #include <linux/interrupt.h>
20 #include <linux/irq.h>
21 #include <linux/irqdomain.h>
22 #include <linux/jiffies.h>
23 #include <linux/list.h>
24 #include <linux/mdio.h>
25 #include <linux/module.h>
26 #include <linux/of_device.h>
27 #include <linux/of_irq.h>
28 #include <linux/of_mdio.h>
29 #include <linux/platform_data/mv88e6xxx.h>
30 #include <linux/netdevice.h>
31 #include <linux/gpio/consumer.h>
32 #include <linux/phylink.h>
33 #include <net/dsa.h>
34 
35 #include "chip.h"
36 #include "devlink.h"
37 #include "global1.h"
38 #include "global2.h"
39 #include "hwtstamp.h"
40 #include "phy.h"
41 #include "port.h"
42 #include "ptp.h"
43 #include "serdes.h"
44 #include "smi.h"
45 
assert_reg_lock(struct mv88e6xxx_chip * chip)46 static void assert_reg_lock(struct mv88e6xxx_chip *chip)
47 {
48 	if (unlikely(!mutex_is_locked(&chip->reg_lock))) {
49 		dev_err(chip->dev, "Switch registers lock not held!\n");
50 		dump_stack();
51 	}
52 }
53 
mv88e6xxx_read(struct mv88e6xxx_chip * chip,int addr,int reg,u16 * val)54 int mv88e6xxx_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val)
55 {
56 	int err;
57 
58 	assert_reg_lock(chip);
59 
60 	err = mv88e6xxx_smi_read(chip, addr, reg, val);
61 	if (err)
62 		return err;
63 
64 	dev_dbg(chip->dev, "<- addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
65 		addr, reg, *val);
66 
67 	return 0;
68 }
69 
mv88e6xxx_write(struct mv88e6xxx_chip * chip,int addr,int reg,u16 val)70 int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val)
71 {
72 	int err;
73 
74 	assert_reg_lock(chip);
75 
76 	err = mv88e6xxx_smi_write(chip, addr, reg, val);
77 	if (err)
78 		return err;
79 
80 	dev_dbg(chip->dev, "-> addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
81 		addr, reg, val);
82 
83 	return 0;
84 }
85 
mv88e6xxx_wait_mask(struct mv88e6xxx_chip * chip,int addr,int reg,u16 mask,u16 val)86 int mv88e6xxx_wait_mask(struct mv88e6xxx_chip *chip, int addr, int reg,
87 			u16 mask, u16 val)
88 {
89 	const unsigned long timeout = jiffies + msecs_to_jiffies(50);
90 	u16 data;
91 	int err;
92 	int i;
93 
94 	/* There's no bus specific operation to wait for a mask. Even
95 	 * if the initial poll takes longer than 50ms, always do at
96 	 * least one more attempt.
97 	 */
98 	for (i = 0; time_before(jiffies, timeout) || (i < 2); i++) {
99 		err = mv88e6xxx_read(chip, addr, reg, &data);
100 		if (err)
101 			return err;
102 
103 		if ((data & mask) == val)
104 			return 0;
105 
106 		if (i < 2)
107 			cpu_relax();
108 		else
109 			usleep_range(1000, 2000);
110 	}
111 
112 	dev_err(chip->dev, "Timeout while waiting for switch\n");
113 	return -ETIMEDOUT;
114 }
115 
mv88e6xxx_wait_bit(struct mv88e6xxx_chip * chip,int addr,int reg,int bit,int val)116 int mv88e6xxx_wait_bit(struct mv88e6xxx_chip *chip, int addr, int reg,
117 		       int bit, int val)
118 {
119 	return mv88e6xxx_wait_mask(chip, addr, reg, BIT(bit),
120 				   val ? BIT(bit) : 0x0000);
121 }
122 
mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip * chip)123 struct mii_bus *mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip *chip)
124 {
125 	struct mv88e6xxx_mdio_bus *mdio_bus;
126 
127 	mdio_bus = list_first_entry(&chip->mdios, struct mv88e6xxx_mdio_bus,
128 				    list);
129 	if (!mdio_bus)
130 		return NULL;
131 
132 	return mdio_bus->bus;
133 }
134 
mv88e6xxx_g1_irq_mask(struct irq_data * d)135 static void mv88e6xxx_g1_irq_mask(struct irq_data *d)
136 {
137 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
138 	unsigned int n = d->hwirq;
139 
140 	chip->g1_irq.masked |= (1 << n);
141 }
142 
mv88e6xxx_g1_irq_unmask(struct irq_data * d)143 static void mv88e6xxx_g1_irq_unmask(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_thread_work(struct mv88e6xxx_chip * chip)151 static irqreturn_t mv88e6xxx_g1_irq_thread_work(struct mv88e6xxx_chip *chip)
152 {
153 	unsigned int nhandled = 0;
154 	unsigned int sub_irq;
155 	unsigned int n;
156 	u16 reg;
157 	u16 ctl1;
158 	int err;
159 
160 	mv88e6xxx_reg_lock(chip);
161 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
162 	mv88e6xxx_reg_unlock(chip);
163 
164 	if (err)
165 		goto out;
166 
167 	do {
168 		for (n = 0; n < chip->g1_irq.nirqs; ++n) {
169 			if (reg & (1 << n)) {
170 				sub_irq = irq_find_mapping(chip->g1_irq.domain,
171 							   n);
172 				handle_nested_irq(sub_irq);
173 				++nhandled;
174 			}
175 		}
176 
177 		mv88e6xxx_reg_lock(chip);
178 		err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &ctl1);
179 		if (err)
180 			goto unlock;
181 		err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
182 unlock:
183 		mv88e6xxx_reg_unlock(chip);
184 		if (err)
185 			goto out;
186 		ctl1 &= GENMASK(chip->g1_irq.nirqs, 0);
187 	} while (reg & ctl1);
188 
189 out:
190 	return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE);
191 }
192 
mv88e6xxx_g1_irq_thread_fn(int irq,void * dev_id)193 static irqreturn_t mv88e6xxx_g1_irq_thread_fn(int irq, void *dev_id)
194 {
195 	struct mv88e6xxx_chip *chip = dev_id;
196 
197 	return mv88e6xxx_g1_irq_thread_work(chip);
198 }
199 
mv88e6xxx_g1_irq_bus_lock(struct irq_data * d)200 static void mv88e6xxx_g1_irq_bus_lock(struct irq_data *d)
201 {
202 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
203 
204 	mv88e6xxx_reg_lock(chip);
205 }
206 
mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data * d)207 static void mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data *d)
208 {
209 	struct mv88e6xxx_chip *chip = irq_data_get_irq_chip_data(d);
210 	u16 mask = GENMASK(chip->g1_irq.nirqs, 0);
211 	u16 reg;
212 	int err;
213 
214 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &reg);
215 	if (err)
216 		goto out;
217 
218 	reg &= ~mask;
219 	reg |= (~chip->g1_irq.masked & mask);
220 
221 	err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, reg);
222 	if (err)
223 		goto out;
224 
225 out:
226 	mv88e6xxx_reg_unlock(chip);
227 }
228 
229 static const struct irq_chip mv88e6xxx_g1_irq_chip = {
230 	.name			= "mv88e6xxx-g1",
231 	.irq_mask		= mv88e6xxx_g1_irq_mask,
232 	.irq_unmask		= mv88e6xxx_g1_irq_unmask,
233 	.irq_bus_lock		= mv88e6xxx_g1_irq_bus_lock,
234 	.irq_bus_sync_unlock	= mv88e6xxx_g1_irq_bus_sync_unlock,
235 };
236 
mv88e6xxx_g1_irq_domain_map(struct irq_domain * d,unsigned int irq,irq_hw_number_t hwirq)237 static int mv88e6xxx_g1_irq_domain_map(struct irq_domain *d,
238 				       unsigned int irq,
239 				       irq_hw_number_t hwirq)
240 {
241 	struct mv88e6xxx_chip *chip = d->host_data;
242 
243 	irq_set_chip_data(irq, d->host_data);
244 	irq_set_chip_and_handler(irq, &chip->g1_irq.chip, handle_level_irq);
245 	irq_set_noprobe(irq);
246 
247 	return 0;
248 }
249 
250 static const struct irq_domain_ops mv88e6xxx_g1_irq_domain_ops = {
251 	.map	= mv88e6xxx_g1_irq_domain_map,
252 	.xlate	= irq_domain_xlate_twocell,
253 };
254 
255 /* To be called with reg_lock held */
mv88e6xxx_g1_irq_free_common(struct mv88e6xxx_chip * chip)256 static void mv88e6xxx_g1_irq_free_common(struct mv88e6xxx_chip *chip)
257 {
258 	int irq, virq;
259 	u16 mask;
260 
261 	mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
262 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
263 	mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
264 
265 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++) {
266 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
267 		irq_dispose_mapping(virq);
268 	}
269 
270 	irq_domain_remove(chip->g1_irq.domain);
271 }
272 
mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip * chip)273 static void mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip *chip)
274 {
275 	/*
276 	 * free_irq must be called without reg_lock taken because the irq
277 	 * handler takes this lock, too.
278 	 */
279 	free_irq(chip->irq, chip);
280 
281 	mv88e6xxx_reg_lock(chip);
282 	mv88e6xxx_g1_irq_free_common(chip);
283 	mv88e6xxx_reg_unlock(chip);
284 }
285 
mv88e6xxx_g1_irq_setup_common(struct mv88e6xxx_chip * chip)286 static int mv88e6xxx_g1_irq_setup_common(struct mv88e6xxx_chip *chip)
287 {
288 	int err, irq, virq;
289 	u16 reg, mask;
290 
291 	chip->g1_irq.nirqs = chip->info->g1_irqs;
292 	chip->g1_irq.domain = irq_domain_add_simple(
293 		NULL, chip->g1_irq.nirqs, 0,
294 		&mv88e6xxx_g1_irq_domain_ops, chip);
295 	if (!chip->g1_irq.domain)
296 		return -ENOMEM;
297 
298 	for (irq = 0; irq < chip->g1_irq.nirqs; irq++)
299 		irq_create_mapping(chip->g1_irq.domain, irq);
300 
301 	chip->g1_irq.chip = mv88e6xxx_g1_irq_chip;
302 	chip->g1_irq.masked = ~0;
303 
304 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
305 	if (err)
306 		goto out_mapping;
307 
308 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
309 
310 	err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
311 	if (err)
312 		goto out_disable;
313 
314 	/* Reading the interrupt status clears (most of) them */
315 	err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &reg);
316 	if (err)
317 		goto out_disable;
318 
319 	return 0;
320 
321 out_disable:
322 	mask &= ~GENMASK(chip->g1_irq.nirqs, 0);
323 	mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
324 
325 out_mapping:
326 	for (irq = 0; irq < 16; irq++) {
327 		virq = irq_find_mapping(chip->g1_irq.domain, irq);
328 		irq_dispose_mapping(virq);
329 	}
330 
331 	irq_domain_remove(chip->g1_irq.domain);
332 
333 	return err;
334 }
335 
mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip * chip)336 static int mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip *chip)
337 {
338 	static struct lock_class_key lock_key;
339 	static struct lock_class_key request_key;
340 	int err;
341 
342 	err = mv88e6xxx_g1_irq_setup_common(chip);
343 	if (err)
344 		return err;
345 
346 	/* These lock classes tells lockdep that global 1 irqs are in
347 	 * a different category than their parent GPIO, so it won't
348 	 * report false recursion.
349 	 */
350 	irq_set_lockdep_class(chip->irq, &lock_key, &request_key);
351 
352 	snprintf(chip->irq_name, sizeof(chip->irq_name),
353 		 "mv88e6xxx-%s", dev_name(chip->dev));
354 
355 	mv88e6xxx_reg_unlock(chip);
356 	err = request_threaded_irq(chip->irq, NULL,
357 				   mv88e6xxx_g1_irq_thread_fn,
358 				   IRQF_ONESHOT | IRQF_SHARED,
359 				   chip->irq_name, chip);
360 	mv88e6xxx_reg_lock(chip);
361 	if (err)
362 		mv88e6xxx_g1_irq_free_common(chip);
363 
364 	return err;
365 }
366 
mv88e6xxx_irq_poll(struct kthread_work * work)367 static void mv88e6xxx_irq_poll(struct kthread_work *work)
368 {
369 	struct mv88e6xxx_chip *chip = container_of(work,
370 						   struct mv88e6xxx_chip,
371 						   irq_poll_work.work);
372 	mv88e6xxx_g1_irq_thread_work(chip);
373 
374 	kthread_queue_delayed_work(chip->kworker, &chip->irq_poll_work,
375 				   msecs_to_jiffies(100));
376 }
377 
mv88e6xxx_irq_poll_setup(struct mv88e6xxx_chip * chip)378 static int mv88e6xxx_irq_poll_setup(struct mv88e6xxx_chip *chip)
379 {
380 	int err;
381 
382 	err = mv88e6xxx_g1_irq_setup_common(chip);
383 	if (err)
384 		return err;
385 
386 	kthread_init_delayed_work(&chip->irq_poll_work,
387 				  mv88e6xxx_irq_poll);
388 
389 	chip->kworker = kthread_create_worker(0, "%s", dev_name(chip->dev));
390 	if (IS_ERR(chip->kworker))
391 		return PTR_ERR(chip->kworker);
392 
393 	kthread_queue_delayed_work(chip->kworker, &chip->irq_poll_work,
394 				   msecs_to_jiffies(100));
395 
396 	return 0;
397 }
398 
mv88e6xxx_irq_poll_free(struct mv88e6xxx_chip * chip)399 static void mv88e6xxx_irq_poll_free(struct mv88e6xxx_chip *chip)
400 {
401 	kthread_cancel_delayed_work_sync(&chip->irq_poll_work);
402 	kthread_destroy_worker(chip->kworker);
403 
404 	mv88e6xxx_reg_lock(chip);
405 	mv88e6xxx_g1_irq_free_common(chip);
406 	mv88e6xxx_reg_unlock(chip);
407 }
408 
mv88e6xxx_port_config_interface(struct mv88e6xxx_chip * chip,int port,phy_interface_t interface)409 static int mv88e6xxx_port_config_interface(struct mv88e6xxx_chip *chip,
410 					   int port, phy_interface_t interface)
411 {
412 	int err;
413 
414 	if (chip->info->ops->port_set_rgmii_delay) {
415 		err = chip->info->ops->port_set_rgmii_delay(chip, port,
416 							    interface);
417 		if (err && err != -EOPNOTSUPP)
418 			return err;
419 	}
420 
421 	if (chip->info->ops->port_set_cmode) {
422 		err = chip->info->ops->port_set_cmode(chip, port,
423 						      interface);
424 		if (err && err != -EOPNOTSUPP)
425 			return err;
426 	}
427 
428 	return 0;
429 }
430 
mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip * chip,int port,int link,int speed,int duplex,int pause,phy_interface_t mode)431 static int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port,
432 				    int link, int speed, int duplex, int pause,
433 				    phy_interface_t mode)
434 {
435 	int err;
436 
437 	if (!chip->info->ops->port_set_link)
438 		return 0;
439 
440 	/* Port's MAC control must not be changed unless the link is down */
441 	err = chip->info->ops->port_set_link(chip, port, LINK_FORCED_DOWN);
442 	if (err)
443 		return err;
444 
445 	if (chip->info->ops->port_set_speed_duplex) {
446 		err = chip->info->ops->port_set_speed_duplex(chip, port,
447 							     speed, duplex);
448 		if (err && err != -EOPNOTSUPP)
449 			goto restore_link;
450 	}
451 
452 	if (chip->info->ops->port_set_pause) {
453 		err = chip->info->ops->port_set_pause(chip, port, pause);
454 		if (err)
455 			goto restore_link;
456 	}
457 
458 	err = mv88e6xxx_port_config_interface(chip, port, mode);
459 restore_link:
460 	if (chip->info->ops->port_set_link(chip, port, link))
461 		dev_err(chip->dev, "p%d: failed to restore MAC's link\n", port);
462 
463 	return err;
464 }
465 
mv88e6xxx_phy_is_internal(struct dsa_switch * ds,int port)466 static int mv88e6xxx_phy_is_internal(struct dsa_switch *ds, int port)
467 {
468 	struct mv88e6xxx_chip *chip = ds->priv;
469 
470 	return port < chip->info->num_internal_phys;
471 }
472 
mv88e6xxx_port_ppu_updates(struct mv88e6xxx_chip * chip,int port)473 static int mv88e6xxx_port_ppu_updates(struct mv88e6xxx_chip *chip, int port)
474 {
475 	u16 reg;
476 	int err;
477 
478 	/* The 88e6250 family does not have the PHY detect bit. Instead,
479 	 * report whether the port is internal.
480 	 */
481 	if (chip->info->family == MV88E6XXX_FAMILY_6250)
482 		return port < chip->info->num_internal_phys;
483 
484 	err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, &reg);
485 	if (err) {
486 		dev_err(chip->dev,
487 			"p%d: %s: failed to read port status\n",
488 			port, __func__);
489 		return err;
490 	}
491 
492 	return !!(reg & MV88E6XXX_PORT_STS_PHY_DETECT);
493 }
494 
mv88e6xxx_serdes_pcs_get_state(struct dsa_switch * ds,int port,struct phylink_link_state * state)495 static int mv88e6xxx_serdes_pcs_get_state(struct dsa_switch *ds, int port,
496 					  struct phylink_link_state *state)
497 {
498 	struct mv88e6xxx_chip *chip = ds->priv;
499 	int lane;
500 	int err;
501 
502 	mv88e6xxx_reg_lock(chip);
503 	lane = mv88e6xxx_serdes_get_lane(chip, port);
504 	if (lane >= 0 && chip->info->ops->serdes_pcs_get_state)
505 		err = chip->info->ops->serdes_pcs_get_state(chip, port, lane,
506 							    state);
507 	else
508 		err = -EOPNOTSUPP;
509 	mv88e6xxx_reg_unlock(chip);
510 
511 	return err;
512 }
513 
mv88e6xxx_serdes_pcs_config(struct mv88e6xxx_chip * chip,int port,unsigned int mode,phy_interface_t interface,const unsigned long * advertise)514 static int mv88e6xxx_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port,
515 				       unsigned int mode,
516 				       phy_interface_t interface,
517 				       const unsigned long *advertise)
518 {
519 	const struct mv88e6xxx_ops *ops = chip->info->ops;
520 	int lane;
521 
522 	if (ops->serdes_pcs_config) {
523 		lane = mv88e6xxx_serdes_get_lane(chip, port);
524 		if (lane >= 0)
525 			return ops->serdes_pcs_config(chip, port, lane, mode,
526 						      interface, advertise);
527 	}
528 
529 	return 0;
530 }
531 
mv88e6xxx_serdes_pcs_an_restart(struct dsa_switch * ds,int port)532 static void mv88e6xxx_serdes_pcs_an_restart(struct dsa_switch *ds, int port)
533 {
534 	struct mv88e6xxx_chip *chip = ds->priv;
535 	const struct mv88e6xxx_ops *ops;
536 	int err = 0;
537 	int lane;
538 
539 	ops = chip->info->ops;
540 
541 	if (ops->serdes_pcs_an_restart) {
542 		mv88e6xxx_reg_lock(chip);
543 		lane = mv88e6xxx_serdes_get_lane(chip, port);
544 		if (lane >= 0)
545 			err = ops->serdes_pcs_an_restart(chip, port, lane);
546 		mv88e6xxx_reg_unlock(chip);
547 
548 		if (err)
549 			dev_err(ds->dev, "p%d: failed to restart AN\n", port);
550 	}
551 }
552 
mv88e6xxx_serdes_pcs_link_up(struct mv88e6xxx_chip * chip,int port,unsigned int mode,int speed,int duplex)553 static int mv88e6xxx_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port,
554 					unsigned int mode,
555 					int speed, int duplex)
556 {
557 	const struct mv88e6xxx_ops *ops = chip->info->ops;
558 	int lane;
559 
560 	if (!phylink_autoneg_inband(mode) && ops->serdes_pcs_link_up) {
561 		lane = mv88e6xxx_serdes_get_lane(chip, port);
562 		if (lane >= 0)
563 			return ops->serdes_pcs_link_up(chip, port, lane,
564 						       speed, duplex);
565 	}
566 
567 	return 0;
568 }
569 
570 static const u8 mv88e6185_phy_interface_modes[] = {
571 	[MV88E6185_PORT_STS_CMODE_GMII_FD]	 = PHY_INTERFACE_MODE_GMII,
572 	[MV88E6185_PORT_STS_CMODE_MII_100_FD_PS] = PHY_INTERFACE_MODE_MII,
573 	[MV88E6185_PORT_STS_CMODE_MII_100]	 = PHY_INTERFACE_MODE_MII,
574 	[MV88E6185_PORT_STS_CMODE_MII_10]	 = PHY_INTERFACE_MODE_MII,
575 	[MV88E6185_PORT_STS_CMODE_SERDES]	 = PHY_INTERFACE_MODE_1000BASEX,
576 	[MV88E6185_PORT_STS_CMODE_1000BASE_X]	 = PHY_INTERFACE_MODE_1000BASEX,
577 	[MV88E6185_PORT_STS_CMODE_PHY]		 = PHY_INTERFACE_MODE_SGMII,
578 };
579 
mv88e6095_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)580 static void mv88e6095_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
581 				       struct phylink_config *config)
582 {
583 	u8 cmode = chip->ports[port].cmode;
584 
585 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100;
586 
587 	if (mv88e6xxx_phy_is_internal(chip->ds, port)) {
588 		__set_bit(PHY_INTERFACE_MODE_MII, config->supported_interfaces);
589 	} else {
590 		if (cmode < ARRAY_SIZE(mv88e6185_phy_interface_modes) &&
591 		    mv88e6185_phy_interface_modes[cmode])
592 			__set_bit(mv88e6185_phy_interface_modes[cmode],
593 				  config->supported_interfaces);
594 
595 		config->mac_capabilities |= MAC_1000FD;
596 	}
597 }
598 
mv88e6185_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)599 static void mv88e6185_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
600 				       struct phylink_config *config)
601 {
602 	u8 cmode = chip->ports[port].cmode;
603 
604 	if (cmode < ARRAY_SIZE(mv88e6185_phy_interface_modes) &&
605 	    mv88e6185_phy_interface_modes[cmode])
606 		__set_bit(mv88e6185_phy_interface_modes[cmode],
607 			  config->supported_interfaces);
608 
609 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
610 				   MAC_1000FD;
611 }
612 
613 static const u8 mv88e6xxx_phy_interface_modes[] = {
614 	[MV88E6XXX_PORT_STS_CMODE_MII_PHY]	= PHY_INTERFACE_MODE_MII,
615 	[MV88E6XXX_PORT_STS_CMODE_MII]		= PHY_INTERFACE_MODE_MII,
616 	[MV88E6XXX_PORT_STS_CMODE_GMII]		= PHY_INTERFACE_MODE_GMII,
617 	[MV88E6XXX_PORT_STS_CMODE_RMII_PHY]	= PHY_INTERFACE_MODE_RMII,
618 	[MV88E6XXX_PORT_STS_CMODE_RMII]		= PHY_INTERFACE_MODE_RMII,
619 	[MV88E6XXX_PORT_STS_CMODE_100BASEX]	= PHY_INTERFACE_MODE_100BASEX,
620 	[MV88E6XXX_PORT_STS_CMODE_1000BASEX]	= PHY_INTERFACE_MODE_1000BASEX,
621 	[MV88E6XXX_PORT_STS_CMODE_SGMII]	= PHY_INTERFACE_MODE_SGMII,
622 	/* higher interface modes are not needed here, since ports supporting
623 	 * them are writable, and so the supported interfaces are filled in the
624 	 * corresponding .phylink_set_interfaces() implementation below
625 	 */
626 };
627 
mv88e6xxx_translate_cmode(u8 cmode,unsigned long * supported)628 static void mv88e6xxx_translate_cmode(u8 cmode, unsigned long *supported)
629 {
630 	if (cmode < ARRAY_SIZE(mv88e6xxx_phy_interface_modes) &&
631 	    mv88e6xxx_phy_interface_modes[cmode])
632 		__set_bit(mv88e6xxx_phy_interface_modes[cmode], supported);
633 	else if (cmode == MV88E6XXX_PORT_STS_CMODE_RGMII)
634 		phy_interface_set_rgmii(supported);
635 }
636 
mv88e6250_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)637 static void mv88e6250_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
638 				       struct phylink_config *config)
639 {
640 	unsigned long *supported = config->supported_interfaces;
641 
642 	/* Translate the default cmode */
643 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
644 
645 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100;
646 }
647 
mv88e6352_get_port4_serdes_cmode(struct mv88e6xxx_chip * chip)648 static int mv88e6352_get_port4_serdes_cmode(struct mv88e6xxx_chip *chip)
649 {
650 	u16 reg, val;
651 	int err;
652 
653 	err = mv88e6xxx_port_read(chip, 4, MV88E6XXX_PORT_STS, &reg);
654 	if (err)
655 		return err;
656 
657 	/* If PHY_DETECT is zero, then we are not in auto-media mode */
658 	if (!(reg & MV88E6XXX_PORT_STS_PHY_DETECT))
659 		return 0xf;
660 
661 	val = reg & ~MV88E6XXX_PORT_STS_PHY_DETECT;
662 	err = mv88e6xxx_port_write(chip, 4, MV88E6XXX_PORT_STS, val);
663 	if (err)
664 		return err;
665 
666 	err = mv88e6xxx_port_read(chip, 4, MV88E6XXX_PORT_STS, &val);
667 	if (err)
668 		return err;
669 
670 	/* Restore PHY_DETECT value */
671 	err = mv88e6xxx_port_write(chip, 4, MV88E6XXX_PORT_STS, reg);
672 	if (err)
673 		return err;
674 
675 	return val & MV88E6XXX_PORT_STS_CMODE_MASK;
676 }
677 
mv88e6352_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)678 static void mv88e6352_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
679 				       struct phylink_config *config)
680 {
681 	unsigned long *supported = config->supported_interfaces;
682 	int err, cmode;
683 
684 	/* Translate the default cmode */
685 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
686 
687 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
688 				   MAC_1000FD;
689 
690 	/* Port 4 supports automedia if the serdes is associated with it. */
691 	if (port == 4) {
692 		err = mv88e6352_g2_scratch_port_has_serdes(chip, port);
693 		if (err < 0)
694 			dev_err(chip->dev, "p%d: failed to read scratch\n",
695 				port);
696 		if (err <= 0)
697 			return;
698 
699 		cmode = mv88e6352_get_port4_serdes_cmode(chip);
700 		if (cmode < 0)
701 			dev_err(chip->dev, "p%d: failed to read serdes cmode\n",
702 				port);
703 		else
704 			mv88e6xxx_translate_cmode(cmode, supported);
705 	}
706 }
707 
mv88e6341_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)708 static void mv88e6341_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
709 				       struct phylink_config *config)
710 {
711 	unsigned long *supported = config->supported_interfaces;
712 
713 	/* Translate the default cmode */
714 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
715 
716 	/* No ethtool bits for 200Mbps */
717 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
718 				   MAC_1000FD;
719 
720 	/* The C_Mode field is programmable on port 5 */
721 	if (port == 5) {
722 		__set_bit(PHY_INTERFACE_MODE_SGMII, supported);
723 		__set_bit(PHY_INTERFACE_MODE_1000BASEX, supported);
724 		__set_bit(PHY_INTERFACE_MODE_2500BASEX, supported);
725 
726 		config->mac_capabilities |= MAC_2500FD;
727 	}
728 }
729 
mv88e6390_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)730 static void mv88e6390_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
731 				       struct phylink_config *config)
732 {
733 	unsigned long *supported = config->supported_interfaces;
734 
735 	/* Translate the default cmode */
736 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
737 
738 	/* No ethtool bits for 200Mbps */
739 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
740 				   MAC_1000FD;
741 
742 	/* The C_Mode field is programmable on ports 9 and 10 */
743 	if (port == 9 || port == 10) {
744 		__set_bit(PHY_INTERFACE_MODE_SGMII, supported);
745 		__set_bit(PHY_INTERFACE_MODE_1000BASEX, supported);
746 		__set_bit(PHY_INTERFACE_MODE_2500BASEX, supported);
747 
748 		config->mac_capabilities |= MAC_2500FD;
749 	}
750 }
751 
mv88e6390x_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)752 static void mv88e6390x_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
753 					struct phylink_config *config)
754 {
755 	unsigned long *supported = config->supported_interfaces;
756 
757 	mv88e6390_phylink_get_caps(chip, port, config);
758 
759 	/* For the 6x90X, ports 2-7 can be in automedia mode.
760 	 * (Note that 6x90 doesn't support RXAUI nor XAUI).
761 	 *
762 	 * Port 2 can also support 1000BASE-X in automedia mode if port 9 is
763 	 * configured for 1000BASE-X, SGMII or 2500BASE-X.
764 	 * Port 3-4 can also support 1000BASE-X in automedia mode if port 9 is
765 	 * configured for RXAUI, 1000BASE-X, SGMII or 2500BASE-X.
766 	 *
767 	 * Port 5 can also support 1000BASE-X in automedia mode if port 10 is
768 	 * configured for 1000BASE-X, SGMII or 2500BASE-X.
769 	 * Port 6-7 can also support 1000BASE-X in automedia mode if port 10 is
770 	 * configured for RXAUI, 1000BASE-X, SGMII or 2500BASE-X.
771 	 *
772 	 * For now, be permissive (as the old code was) and allow 1000BASE-X
773 	 * on ports 2..7.
774 	 */
775 	if (port >= 2 && port <= 7)
776 		__set_bit(PHY_INTERFACE_MODE_1000BASEX, supported);
777 
778 	/* The C_Mode field can also be programmed for 10G speeds */
779 	if (port == 9 || port == 10) {
780 		__set_bit(PHY_INTERFACE_MODE_XAUI, supported);
781 		__set_bit(PHY_INTERFACE_MODE_RXAUI, supported);
782 
783 		config->mac_capabilities |= MAC_10000FD;
784 	}
785 }
786 
mv88e6393x_phylink_get_caps(struct mv88e6xxx_chip * chip,int port,struct phylink_config * config)787 static void mv88e6393x_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
788 					struct phylink_config *config)
789 {
790 	unsigned long *supported = config->supported_interfaces;
791 	bool is_6191x =
792 		chip->info->prod_num == MV88E6XXX_PORT_SWITCH_ID_PROD_6191X;
793 
794 	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
795 
796 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
797 				   MAC_1000FD;
798 
799 	/* The C_Mode field can be programmed for ports 0, 9 and 10 */
800 	if (port == 0 || port == 9 || port == 10) {
801 		__set_bit(PHY_INTERFACE_MODE_SGMII, supported);
802 		__set_bit(PHY_INTERFACE_MODE_1000BASEX, supported);
803 
804 		/* 6191X supports >1G modes only on port 10 */
805 		if (!is_6191x || port == 10) {
806 			__set_bit(PHY_INTERFACE_MODE_2500BASEX, supported);
807 			__set_bit(PHY_INTERFACE_MODE_5GBASER, supported);
808 			__set_bit(PHY_INTERFACE_MODE_10GBASER, supported);
809 			/* FIXME: USXGMII is not supported yet */
810 			/* __set_bit(PHY_INTERFACE_MODE_USXGMII, supported); */
811 
812 			config->mac_capabilities |= MAC_2500FD | MAC_5000FD |
813 				MAC_10000FD;
814 		}
815 	}
816 
817 	if (port == 0) {
818 		__set_bit(PHY_INTERFACE_MODE_RMII, supported);
819 		__set_bit(PHY_INTERFACE_MODE_RGMII, supported);
820 		__set_bit(PHY_INTERFACE_MODE_RGMII_ID, supported);
821 		__set_bit(PHY_INTERFACE_MODE_RGMII_RXID, supported);
822 		__set_bit(PHY_INTERFACE_MODE_RGMII_TXID, supported);
823 	}
824 }
825 
mv88e6xxx_get_caps(struct dsa_switch * ds,int port,struct phylink_config * config)826 static void mv88e6xxx_get_caps(struct dsa_switch *ds, int port,
827 			       struct phylink_config *config)
828 {
829 	struct mv88e6xxx_chip *chip = ds->priv;
830 
831 	mv88e6xxx_reg_lock(chip);
832 	chip->info->ops->phylink_get_caps(chip, port, config);
833 	mv88e6xxx_reg_unlock(chip);
834 
835 	if (mv88e6xxx_phy_is_internal(ds, port)) {
836 		__set_bit(PHY_INTERFACE_MODE_INTERNAL,
837 			  config->supported_interfaces);
838 		/* Internal ports with no phy-mode need GMII for PHYLIB */
839 		__set_bit(PHY_INTERFACE_MODE_GMII,
840 			  config->supported_interfaces);
841 	}
842 }
843 
mv88e6xxx_mac_config(struct dsa_switch * ds,int port,unsigned int mode,const struct phylink_link_state * state)844 static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port,
845 				 unsigned int mode,
846 				 const struct phylink_link_state *state)
847 {
848 	struct mv88e6xxx_chip *chip = ds->priv;
849 	struct mv88e6xxx_port *p;
850 	int err = 0;
851 
852 	p = &chip->ports[port];
853 
854 	mv88e6xxx_reg_lock(chip);
855 
856 	if (mode != MLO_AN_PHY || !mv88e6xxx_phy_is_internal(ds, port)) {
857 		/* In inband mode, the link may come up at any time while the
858 		 * link is not forced down. Force the link down while we
859 		 * reconfigure the interface mode.
860 		 */
861 		if (mode == MLO_AN_INBAND &&
862 		    p->interface != state->interface &&
863 		    chip->info->ops->port_set_link)
864 			chip->info->ops->port_set_link(chip, port,
865 						       LINK_FORCED_DOWN);
866 
867 		err = mv88e6xxx_port_config_interface(chip, port,
868 						      state->interface);
869 		if (err && err != -EOPNOTSUPP)
870 			goto err_unlock;
871 
872 		err = mv88e6xxx_serdes_pcs_config(chip, port, mode,
873 						  state->interface,
874 						  state->advertising);
875 		/* FIXME: we should restart negotiation if something changed -
876 		 * which is something we get if we convert to using phylinks
877 		 * PCS operations.
878 		 */
879 		if (err > 0)
880 			err = 0;
881 	}
882 
883 	/* Undo the forced down state above after completing configuration
884 	 * irrespective of its state on entry, which allows the link to come
885 	 * up in the in-band case where there is no separate SERDES. Also
886 	 * ensure that the link can come up if the PPU is in use and we are
887 	 * in PHY mode (we treat the PPU as an effective in-band mechanism.)
888 	 */
889 	if (chip->info->ops->port_set_link &&
890 	    ((mode == MLO_AN_INBAND && p->interface != state->interface) ||
891 	     (mode == MLO_AN_PHY && mv88e6xxx_port_ppu_updates(chip, port))))
892 		chip->info->ops->port_set_link(chip, port, LINK_UNFORCED);
893 
894 	p->interface = state->interface;
895 
896 err_unlock:
897 	mv88e6xxx_reg_unlock(chip);
898 
899 	if (err && err != -EOPNOTSUPP)
900 		dev_err(ds->dev, "p%d: failed to configure MAC/PCS\n", port);
901 }
902 
mv88e6xxx_mac_link_down(struct dsa_switch * ds,int port,unsigned int mode,phy_interface_t interface)903 static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port,
904 				    unsigned int mode,
905 				    phy_interface_t interface)
906 {
907 	struct mv88e6xxx_chip *chip = ds->priv;
908 	const struct mv88e6xxx_ops *ops;
909 	int err = 0;
910 
911 	ops = chip->info->ops;
912 
913 	mv88e6xxx_reg_lock(chip);
914 	/* Force the link down if we know the port may not be automatically
915 	 * updated by the switch or if we are using fixed-link mode.
916 	 */
917 	if ((!mv88e6xxx_port_ppu_updates(chip, port) ||
918 	     mode == MLO_AN_FIXED) && ops->port_sync_link)
919 		err = ops->port_sync_link(chip, port, mode, false);
920 
921 	if (!err && ops->port_set_speed_duplex)
922 		err = ops->port_set_speed_duplex(chip, port, SPEED_UNFORCED,
923 						 DUPLEX_UNFORCED);
924 	mv88e6xxx_reg_unlock(chip);
925 
926 	if (err)
927 		dev_err(chip->dev,
928 			"p%d: failed to force MAC link down\n", port);
929 }
930 
mv88e6xxx_mac_link_up(struct dsa_switch * ds,int port,unsigned int mode,phy_interface_t interface,struct phy_device * phydev,int speed,int duplex,bool tx_pause,bool rx_pause)931 static void mv88e6xxx_mac_link_up(struct dsa_switch *ds, int port,
932 				  unsigned int mode, phy_interface_t interface,
933 				  struct phy_device *phydev,
934 				  int speed, int duplex,
935 				  bool tx_pause, bool rx_pause)
936 {
937 	struct mv88e6xxx_chip *chip = ds->priv;
938 	const struct mv88e6xxx_ops *ops;
939 	int err = 0;
940 
941 	ops = chip->info->ops;
942 
943 	mv88e6xxx_reg_lock(chip);
944 	/* Configure and force the link up if we know that the port may not
945 	 * automatically updated by the switch or if we are using fixed-link
946 	 * mode.
947 	 */
948 	if (!mv88e6xxx_port_ppu_updates(chip, port) ||
949 	    mode == MLO_AN_FIXED) {
950 		/* FIXME: for an automedia port, should we force the link
951 		 * down here - what if the link comes up due to "other" media
952 		 * while we're bringing the port up, how is the exclusivity
953 		 * handled in the Marvell hardware? E.g. port 2 on 88E6390
954 		 * shared between internal PHY and Serdes.
955 		 */
956 		err = mv88e6xxx_serdes_pcs_link_up(chip, port, mode, speed,
957 						   duplex);
958 		if (err)
959 			goto error;
960 
961 		if (ops->port_set_speed_duplex) {
962 			err = ops->port_set_speed_duplex(chip, port,
963 							 speed, duplex);
964 			if (err && err != -EOPNOTSUPP)
965 				goto error;
966 		}
967 
968 		if (ops->port_sync_link)
969 			err = ops->port_sync_link(chip, port, mode, true);
970 	}
971 error:
972 	mv88e6xxx_reg_unlock(chip);
973 
974 	if (err && err != -EOPNOTSUPP)
975 		dev_err(ds->dev,
976 			"p%d: failed to configure MAC link up\n", port);
977 }
978 
mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip * chip,int port)979 static int mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip *chip, int port)
980 {
981 	if (!chip->info->ops->stats_snapshot)
982 		return -EOPNOTSUPP;
983 
984 	return chip->info->ops->stats_snapshot(chip, port);
985 }
986 
987 static struct mv88e6xxx_hw_stat mv88e6xxx_hw_stats[] = {
988 	{ "in_good_octets",		8, 0x00, STATS_TYPE_BANK0, },
989 	{ "in_bad_octets",		4, 0x02, STATS_TYPE_BANK0, },
990 	{ "in_unicast",			4, 0x04, STATS_TYPE_BANK0, },
991 	{ "in_broadcasts",		4, 0x06, STATS_TYPE_BANK0, },
992 	{ "in_multicasts",		4, 0x07, STATS_TYPE_BANK0, },
993 	{ "in_pause",			4, 0x16, STATS_TYPE_BANK0, },
994 	{ "in_undersize",		4, 0x18, STATS_TYPE_BANK0, },
995 	{ "in_fragments",		4, 0x19, STATS_TYPE_BANK0, },
996 	{ "in_oversize",		4, 0x1a, STATS_TYPE_BANK0, },
997 	{ "in_jabber",			4, 0x1b, STATS_TYPE_BANK0, },
998 	{ "in_rx_error",		4, 0x1c, STATS_TYPE_BANK0, },
999 	{ "in_fcs_error",		4, 0x1d, STATS_TYPE_BANK0, },
1000 	{ "out_octets",			8, 0x0e, STATS_TYPE_BANK0, },
1001 	{ "out_unicast",		4, 0x10, STATS_TYPE_BANK0, },
1002 	{ "out_broadcasts",		4, 0x13, STATS_TYPE_BANK0, },
1003 	{ "out_multicasts",		4, 0x12, STATS_TYPE_BANK0, },
1004 	{ "out_pause",			4, 0x15, STATS_TYPE_BANK0, },
1005 	{ "excessive",			4, 0x11, STATS_TYPE_BANK0, },
1006 	{ "collisions",			4, 0x1e, STATS_TYPE_BANK0, },
1007 	{ "deferred",			4, 0x05, STATS_TYPE_BANK0, },
1008 	{ "single",			4, 0x14, STATS_TYPE_BANK0, },
1009 	{ "multiple",			4, 0x17, STATS_TYPE_BANK0, },
1010 	{ "out_fcs_error",		4, 0x03, STATS_TYPE_BANK0, },
1011 	{ "late",			4, 0x1f, STATS_TYPE_BANK0, },
1012 	{ "hist_64bytes",		4, 0x08, STATS_TYPE_BANK0, },
1013 	{ "hist_65_127bytes",		4, 0x09, STATS_TYPE_BANK0, },
1014 	{ "hist_128_255bytes",		4, 0x0a, STATS_TYPE_BANK0, },
1015 	{ "hist_256_511bytes",		4, 0x0b, STATS_TYPE_BANK0, },
1016 	{ "hist_512_1023bytes",		4, 0x0c, STATS_TYPE_BANK0, },
1017 	{ "hist_1024_max_bytes",	4, 0x0d, STATS_TYPE_BANK0, },
1018 	{ "sw_in_discards",		4, 0x10, STATS_TYPE_PORT, },
1019 	{ "sw_in_filtered",		2, 0x12, STATS_TYPE_PORT, },
1020 	{ "sw_out_filtered",		2, 0x13, STATS_TYPE_PORT, },
1021 	{ "in_discards",		4, 0x00, STATS_TYPE_BANK1, },
1022 	{ "in_filtered",		4, 0x01, STATS_TYPE_BANK1, },
1023 	{ "in_accepted",		4, 0x02, STATS_TYPE_BANK1, },
1024 	{ "in_bad_accepted",		4, 0x03, STATS_TYPE_BANK1, },
1025 	{ "in_good_avb_class_a",	4, 0x04, STATS_TYPE_BANK1, },
1026 	{ "in_good_avb_class_b",	4, 0x05, STATS_TYPE_BANK1, },
1027 	{ "in_bad_avb_class_a",		4, 0x06, STATS_TYPE_BANK1, },
1028 	{ "in_bad_avb_class_b",		4, 0x07, STATS_TYPE_BANK1, },
1029 	{ "tcam_counter_0",		4, 0x08, STATS_TYPE_BANK1, },
1030 	{ "tcam_counter_1",		4, 0x09, STATS_TYPE_BANK1, },
1031 	{ "tcam_counter_2",		4, 0x0a, STATS_TYPE_BANK1, },
1032 	{ "tcam_counter_3",		4, 0x0b, STATS_TYPE_BANK1, },
1033 	{ "in_da_unknown",		4, 0x0e, STATS_TYPE_BANK1, },
1034 	{ "in_management",		4, 0x0f, STATS_TYPE_BANK1, },
1035 	{ "out_queue_0",		4, 0x10, STATS_TYPE_BANK1, },
1036 	{ "out_queue_1",		4, 0x11, STATS_TYPE_BANK1, },
1037 	{ "out_queue_2",		4, 0x12, STATS_TYPE_BANK1, },
1038 	{ "out_queue_3",		4, 0x13, STATS_TYPE_BANK1, },
1039 	{ "out_queue_4",		4, 0x14, STATS_TYPE_BANK1, },
1040 	{ "out_queue_5",		4, 0x15, STATS_TYPE_BANK1, },
1041 	{ "out_queue_6",		4, 0x16, STATS_TYPE_BANK1, },
1042 	{ "out_queue_7",		4, 0x17, STATS_TYPE_BANK1, },
1043 	{ "out_cut_through",		4, 0x18, STATS_TYPE_BANK1, },
1044 	{ "out_octets_a",		4, 0x1a, STATS_TYPE_BANK1, },
1045 	{ "out_octets_b",		4, 0x1b, STATS_TYPE_BANK1, },
1046 	{ "out_management",		4, 0x1f, STATS_TYPE_BANK1, },
1047 };
1048 
_mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip * chip,struct mv88e6xxx_hw_stat * s,int port,u16 bank1_select,u16 histogram)1049 static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip,
1050 					    struct mv88e6xxx_hw_stat *s,
1051 					    int port, u16 bank1_select,
1052 					    u16 histogram)
1053 {
1054 	u32 low;
1055 	u32 high = 0;
1056 	u16 reg = 0;
1057 	int err;
1058 	u64 value;
1059 
1060 	switch (s->type) {
1061 	case STATS_TYPE_PORT:
1062 		err = mv88e6xxx_port_read(chip, port, s->reg, &reg);
1063 		if (err)
1064 			return U64_MAX;
1065 
1066 		low = reg;
1067 		if (s->size == 4) {
1068 			err = mv88e6xxx_port_read(chip, port, s->reg + 1, &reg);
1069 			if (err)
1070 				return U64_MAX;
1071 			low |= ((u32)reg) << 16;
1072 		}
1073 		break;
1074 	case STATS_TYPE_BANK1:
1075 		reg = bank1_select;
1076 		fallthrough;
1077 	case STATS_TYPE_BANK0:
1078 		reg |= s->reg | histogram;
1079 		mv88e6xxx_g1_stats_read(chip, reg, &low);
1080 		if (s->size == 8)
1081 			mv88e6xxx_g1_stats_read(chip, reg + 1, &high);
1082 		break;
1083 	default:
1084 		return U64_MAX;
1085 	}
1086 	value = (((u64)high) << 32) | low;
1087 	return value;
1088 }
1089 
mv88e6xxx_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data,int types)1090 static int mv88e6xxx_stats_get_strings(struct mv88e6xxx_chip *chip,
1091 				       uint8_t *data, int types)
1092 {
1093 	struct mv88e6xxx_hw_stat *stat;
1094 	int i, j;
1095 
1096 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
1097 		stat = &mv88e6xxx_hw_stats[i];
1098 		if (stat->type & types) {
1099 			memcpy(data + j * ETH_GSTRING_LEN, stat->string,
1100 			       ETH_GSTRING_LEN);
1101 			j++;
1102 		}
1103 	}
1104 
1105 	return j;
1106 }
1107 
mv88e6095_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data)1108 static int mv88e6095_stats_get_strings(struct mv88e6xxx_chip *chip,
1109 				       uint8_t *data)
1110 {
1111 	return mv88e6xxx_stats_get_strings(chip, data,
1112 					   STATS_TYPE_BANK0 | STATS_TYPE_PORT);
1113 }
1114 
mv88e6250_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data)1115 static int mv88e6250_stats_get_strings(struct mv88e6xxx_chip *chip,
1116 				       uint8_t *data)
1117 {
1118 	return mv88e6xxx_stats_get_strings(chip, data, STATS_TYPE_BANK0);
1119 }
1120 
mv88e6320_stats_get_strings(struct mv88e6xxx_chip * chip,uint8_t * data)1121 static int mv88e6320_stats_get_strings(struct mv88e6xxx_chip *chip,
1122 				       uint8_t *data)
1123 {
1124 	return mv88e6xxx_stats_get_strings(chip, data,
1125 					   STATS_TYPE_BANK0 | STATS_TYPE_BANK1);
1126 }
1127 
1128 static const uint8_t *mv88e6xxx_atu_vtu_stats_strings[] = {
1129 	"atu_member_violation",
1130 	"atu_miss_violation",
1131 	"atu_full_violation",
1132 	"vtu_member_violation",
1133 	"vtu_miss_violation",
1134 };
1135 
mv88e6xxx_atu_vtu_get_strings(uint8_t * data)1136 static void mv88e6xxx_atu_vtu_get_strings(uint8_t *data)
1137 {
1138 	unsigned int i;
1139 
1140 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings); i++)
1141 		strscpy(data + i * ETH_GSTRING_LEN,
1142 			mv88e6xxx_atu_vtu_stats_strings[i],
1143 			ETH_GSTRING_LEN);
1144 }
1145 
mv88e6xxx_get_strings(struct dsa_switch * ds,int port,u32 stringset,uint8_t * data)1146 static void mv88e6xxx_get_strings(struct dsa_switch *ds, int port,
1147 				  u32 stringset, uint8_t *data)
1148 {
1149 	struct mv88e6xxx_chip *chip = ds->priv;
1150 	int count = 0;
1151 
1152 	if (stringset != ETH_SS_STATS)
1153 		return;
1154 
1155 	mv88e6xxx_reg_lock(chip);
1156 
1157 	if (chip->info->ops->stats_get_strings)
1158 		count = chip->info->ops->stats_get_strings(chip, data);
1159 
1160 	if (chip->info->ops->serdes_get_strings) {
1161 		data += count * ETH_GSTRING_LEN;
1162 		count = chip->info->ops->serdes_get_strings(chip, port, data);
1163 	}
1164 
1165 	data += count * ETH_GSTRING_LEN;
1166 	mv88e6xxx_atu_vtu_get_strings(data);
1167 
1168 	mv88e6xxx_reg_unlock(chip);
1169 }
1170 
mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip * chip,int types)1171 static int mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip *chip,
1172 					  int types)
1173 {
1174 	struct mv88e6xxx_hw_stat *stat;
1175 	int i, j;
1176 
1177 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
1178 		stat = &mv88e6xxx_hw_stats[i];
1179 		if (stat->type & types)
1180 			j++;
1181 	}
1182 	return j;
1183 }
1184 
mv88e6095_stats_get_sset_count(struct mv88e6xxx_chip * chip)1185 static int mv88e6095_stats_get_sset_count(struct mv88e6xxx_chip *chip)
1186 {
1187 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
1188 					      STATS_TYPE_PORT);
1189 }
1190 
mv88e6250_stats_get_sset_count(struct mv88e6xxx_chip * chip)1191 static int mv88e6250_stats_get_sset_count(struct mv88e6xxx_chip *chip)
1192 {
1193 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0);
1194 }
1195 
mv88e6320_stats_get_sset_count(struct mv88e6xxx_chip * chip)1196 static int mv88e6320_stats_get_sset_count(struct mv88e6xxx_chip *chip)
1197 {
1198 	return mv88e6xxx_stats_get_sset_count(chip, STATS_TYPE_BANK0 |
1199 					      STATS_TYPE_BANK1);
1200 }
1201 
mv88e6xxx_get_sset_count(struct dsa_switch * ds,int port,int sset)1202 static int mv88e6xxx_get_sset_count(struct dsa_switch *ds, int port, int sset)
1203 {
1204 	struct mv88e6xxx_chip *chip = ds->priv;
1205 	int serdes_count = 0;
1206 	int count = 0;
1207 
1208 	if (sset != ETH_SS_STATS)
1209 		return 0;
1210 
1211 	mv88e6xxx_reg_lock(chip);
1212 	if (chip->info->ops->stats_get_sset_count)
1213 		count = chip->info->ops->stats_get_sset_count(chip);
1214 	if (count < 0)
1215 		goto out;
1216 
1217 	if (chip->info->ops->serdes_get_sset_count)
1218 		serdes_count = chip->info->ops->serdes_get_sset_count(chip,
1219 								      port);
1220 	if (serdes_count < 0) {
1221 		count = serdes_count;
1222 		goto out;
1223 	}
1224 	count += serdes_count;
1225 	count += ARRAY_SIZE(mv88e6xxx_atu_vtu_stats_strings);
1226 
1227 out:
1228 	mv88e6xxx_reg_unlock(chip);
1229 
1230 	return count;
1231 }
1232 
mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data,int types,u16 bank1_select,u16 histogram)1233 static int mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1234 				     uint64_t *data, int types,
1235 				     u16 bank1_select, u16 histogram)
1236 {
1237 	struct mv88e6xxx_hw_stat *stat;
1238 	int i, j;
1239 
1240 	for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
1241 		stat = &mv88e6xxx_hw_stats[i];
1242 		if (stat->type & types) {
1243 			mv88e6xxx_reg_lock(chip);
1244 			data[j] = _mv88e6xxx_get_ethtool_stat(chip, stat, port,
1245 							      bank1_select,
1246 							      histogram);
1247 			mv88e6xxx_reg_unlock(chip);
1248 
1249 			j++;
1250 		}
1251 	}
1252 	return j;
1253 }
1254 
mv88e6095_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1255 static int mv88e6095_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1256 				     uint64_t *data)
1257 {
1258 	return mv88e6xxx_stats_get_stats(chip, port, data,
1259 					 STATS_TYPE_BANK0 | STATS_TYPE_PORT,
1260 					 0, MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
1261 }
1262 
mv88e6250_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1263 static int mv88e6250_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1264 				     uint64_t *data)
1265 {
1266 	return mv88e6xxx_stats_get_stats(chip, port, data, STATS_TYPE_BANK0,
1267 					 0, MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
1268 }
1269 
mv88e6320_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1270 static int mv88e6320_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1271 				     uint64_t *data)
1272 {
1273 	return mv88e6xxx_stats_get_stats(chip, port, data,
1274 					 STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
1275 					 MV88E6XXX_G1_STATS_OP_BANK_1_BIT_9,
1276 					 MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
1277 }
1278 
mv88e6390_stats_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1279 static int mv88e6390_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
1280 				     uint64_t *data)
1281 {
1282 	return mv88e6xxx_stats_get_stats(chip, port, data,
1283 					 STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
1284 					 MV88E6XXX_G1_STATS_OP_BANK_1_BIT_10,
1285 					 0);
1286 }
1287 
mv88e6xxx_atu_vtu_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1288 static void mv88e6xxx_atu_vtu_get_stats(struct mv88e6xxx_chip *chip, int port,
1289 					uint64_t *data)
1290 {
1291 	*data++ = chip->ports[port].atu_member_violation;
1292 	*data++ = chip->ports[port].atu_miss_violation;
1293 	*data++ = chip->ports[port].atu_full_violation;
1294 	*data++ = chip->ports[port].vtu_member_violation;
1295 	*data++ = chip->ports[port].vtu_miss_violation;
1296 }
1297 
mv88e6xxx_get_stats(struct mv88e6xxx_chip * chip,int port,uint64_t * data)1298 static void mv88e6xxx_get_stats(struct mv88e6xxx_chip *chip, int port,
1299 				uint64_t *data)
1300 {
1301 	int count = 0;
1302 
1303 	if (chip->info->ops->stats_get_stats)
1304 		count = chip->info->ops->stats_get_stats(chip, port, data);
1305 
1306 	mv88e6xxx_reg_lock(chip);
1307 	if (chip->info->ops->serdes_get_stats) {
1308 		data += count;
1309 		count = chip->info->ops->serdes_get_stats(chip, port, data);
1310 	}
1311 	data += count;
1312 	mv88e6xxx_atu_vtu_get_stats(chip, port, data);
1313 	mv88e6xxx_reg_unlock(chip);
1314 }
1315 
mv88e6xxx_get_ethtool_stats(struct dsa_switch * ds,int port,uint64_t * data)1316 static void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds, int port,
1317 					uint64_t *data)
1318 {
1319 	struct mv88e6xxx_chip *chip = ds->priv;
1320 	int ret;
1321 
1322 	mv88e6xxx_reg_lock(chip);
1323 
1324 	ret = mv88e6xxx_stats_snapshot(chip, port);
1325 	mv88e6xxx_reg_unlock(chip);
1326 
1327 	if (ret < 0)
1328 		return;
1329 
1330 	mv88e6xxx_get_stats(chip, port, data);
1331 
1332 }
1333 
mv88e6xxx_get_regs_len(struct dsa_switch * ds,int port)1334 static int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port)
1335 {
1336 	struct mv88e6xxx_chip *chip = ds->priv;
1337 	int len;
1338 
1339 	len = 32 * sizeof(u16);
1340 	if (chip->info->ops->serdes_get_regs_len)
1341 		len += chip->info->ops->serdes_get_regs_len(chip, port);
1342 
1343 	return len;
1344 }
1345 
mv88e6xxx_get_regs(struct dsa_switch * ds,int port,struct ethtool_regs * regs,void * _p)1346 static void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,
1347 			       struct ethtool_regs *regs, void *_p)
1348 {
1349 	struct mv88e6xxx_chip *chip = ds->priv;
1350 	int err;
1351 	u16 reg;
1352 	u16 *p = _p;
1353 	int i;
1354 
1355 	regs->version = chip->info->prod_num;
1356 
1357 	memset(p, 0xff, 32 * sizeof(u16));
1358 
1359 	mv88e6xxx_reg_lock(chip);
1360 
1361 	for (i = 0; i < 32; i++) {
1362 
1363 		err = mv88e6xxx_port_read(chip, port, i, &reg);
1364 		if (!err)
1365 			p[i] = reg;
1366 	}
1367 
1368 	if (chip->info->ops->serdes_get_regs)
1369 		chip->info->ops->serdes_get_regs(chip, port, &p[i]);
1370 
1371 	mv88e6xxx_reg_unlock(chip);
1372 }
1373 
mv88e6xxx_get_mac_eee(struct dsa_switch * ds,int port,struct ethtool_eee * e)1374 static int mv88e6xxx_get_mac_eee(struct dsa_switch *ds, int port,
1375 				 struct ethtool_eee *e)
1376 {
1377 	/* Nothing to do on the port's MAC */
1378 	return 0;
1379 }
1380 
mv88e6xxx_set_mac_eee(struct dsa_switch * ds,int port,struct ethtool_eee * e)1381 static int mv88e6xxx_set_mac_eee(struct dsa_switch *ds, int port,
1382 				 struct ethtool_eee *e)
1383 {
1384 	/* Nothing to do on the port's MAC */
1385 	return 0;
1386 }
1387 
1388 /* 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)1389 static u16 mv88e6xxx_port_vlan(struct mv88e6xxx_chip *chip, int dev, int port)
1390 {
1391 	struct dsa_switch *ds = chip->ds;
1392 	struct dsa_switch_tree *dst = ds->dst;
1393 	struct dsa_port *dp, *other_dp;
1394 	bool found = false;
1395 	u16 pvlan;
1396 
1397 	/* dev is a physical switch */
1398 	if (dev <= dst->last_switch) {
1399 		list_for_each_entry(dp, &dst->ports, list) {
1400 			if (dp->ds->index == dev && dp->index == port) {
1401 				/* dp might be a DSA link or a user port, so it
1402 				 * might or might not have a bridge.
1403 				 * Use the "found" variable for both cases.
1404 				 */
1405 				found = true;
1406 				break;
1407 			}
1408 		}
1409 	/* dev is a virtual bridge */
1410 	} else {
1411 		list_for_each_entry(dp, &dst->ports, list) {
1412 			unsigned int bridge_num = dsa_port_bridge_num_get(dp);
1413 
1414 			if (!bridge_num)
1415 				continue;
1416 
1417 			if (bridge_num + dst->last_switch != dev)
1418 				continue;
1419 
1420 			found = true;
1421 			break;
1422 		}
1423 	}
1424 
1425 	/* Prevent frames from unknown switch or virtual bridge */
1426 	if (!found)
1427 		return 0;
1428 
1429 	/* Frames from DSA links and CPU ports can egress any local port */
1430 	if (dp->type == DSA_PORT_TYPE_CPU || dp->type == DSA_PORT_TYPE_DSA)
1431 		return mv88e6xxx_port_mask(chip);
1432 
1433 	pvlan = 0;
1434 
1435 	/* Frames from standalone user ports can only egress on the
1436 	 * upstream port.
1437 	 */
1438 	if (!dsa_port_bridge_dev_get(dp))
1439 		return BIT(dsa_switch_upstream_port(ds));
1440 
1441 	/* Frames from bridged user ports can egress any local DSA
1442 	 * links and CPU ports, as well as any local member of their
1443 	 * bridge group.
1444 	 */
1445 	dsa_switch_for_each_port(other_dp, ds)
1446 		if (other_dp->type == DSA_PORT_TYPE_CPU ||
1447 		    other_dp->type == DSA_PORT_TYPE_DSA ||
1448 		    dsa_port_bridge_same(dp, other_dp))
1449 			pvlan |= BIT(other_dp->index);
1450 
1451 	return pvlan;
1452 }
1453 
mv88e6xxx_port_vlan_map(struct mv88e6xxx_chip * chip,int port)1454 static int mv88e6xxx_port_vlan_map(struct mv88e6xxx_chip *chip, int port)
1455 {
1456 	u16 output_ports = mv88e6xxx_port_vlan(chip, chip->ds->index, port);
1457 
1458 	/* prevent frames from going back out of the port they came in on */
1459 	output_ports &= ~BIT(port);
1460 
1461 	return mv88e6xxx_port_set_vlan_map(chip, port, output_ports);
1462 }
1463 
mv88e6xxx_port_stp_state_set(struct dsa_switch * ds,int port,u8 state)1464 static void mv88e6xxx_port_stp_state_set(struct dsa_switch *ds, int port,
1465 					 u8 state)
1466 {
1467 	struct mv88e6xxx_chip *chip = ds->priv;
1468 	int err;
1469 
1470 	mv88e6xxx_reg_lock(chip);
1471 	err = mv88e6xxx_port_set_state(chip, port, state);
1472 	mv88e6xxx_reg_unlock(chip);
1473 
1474 	if (err)
1475 		dev_err(ds->dev, "p%d: failed to update state\n", port);
1476 }
1477 
mv88e6xxx_pri_setup(struct mv88e6xxx_chip * chip)1478 static int mv88e6xxx_pri_setup(struct mv88e6xxx_chip *chip)
1479 {
1480 	int err;
1481 
1482 	if (chip->info->ops->ieee_pri_map) {
1483 		err = chip->info->ops->ieee_pri_map(chip);
1484 		if (err)
1485 			return err;
1486 	}
1487 
1488 	if (chip->info->ops->ip_pri_map) {
1489 		err = chip->info->ops->ip_pri_map(chip);
1490 		if (err)
1491 			return err;
1492 	}
1493 
1494 	return 0;
1495 }
1496 
mv88e6xxx_devmap_setup(struct mv88e6xxx_chip * chip)1497 static int mv88e6xxx_devmap_setup(struct mv88e6xxx_chip *chip)
1498 {
1499 	struct dsa_switch *ds = chip->ds;
1500 	int target, port;
1501 	int err;
1502 
1503 	if (!chip->info->global2_addr)
1504 		return 0;
1505 
1506 	/* Initialize the routing port to the 32 possible target devices */
1507 	for (target = 0; target < 32; target++) {
1508 		port = dsa_routing_port(ds, target);
1509 		if (port == ds->num_ports)
1510 			port = 0x1f;
1511 
1512 		err = mv88e6xxx_g2_device_mapping_write(chip, target, port);
1513 		if (err)
1514 			return err;
1515 	}
1516 
1517 	if (chip->info->ops->set_cascade_port) {
1518 		port = MV88E6XXX_CASCADE_PORT_MULTIPLE;
1519 		err = chip->info->ops->set_cascade_port(chip, port);
1520 		if (err)
1521 			return err;
1522 	}
1523 
1524 	err = mv88e6xxx_g1_set_device_number(chip, chip->ds->index);
1525 	if (err)
1526 		return err;
1527 
1528 	return 0;
1529 }
1530 
mv88e6xxx_trunk_setup(struct mv88e6xxx_chip * chip)1531 static int mv88e6xxx_trunk_setup(struct mv88e6xxx_chip *chip)
1532 {
1533 	/* Clear all trunk masks and mapping */
1534 	if (chip->info->global2_addr)
1535 		return mv88e6xxx_g2_trunk_clear(chip);
1536 
1537 	return 0;
1538 }
1539 
mv88e6xxx_rmu_setup(struct mv88e6xxx_chip * chip)1540 static int mv88e6xxx_rmu_setup(struct mv88e6xxx_chip *chip)
1541 {
1542 	if (chip->info->ops->rmu_disable)
1543 		return chip->info->ops->rmu_disable(chip);
1544 
1545 	return 0;
1546 }
1547 
mv88e6xxx_pot_setup(struct mv88e6xxx_chip * chip)1548 static int mv88e6xxx_pot_setup(struct mv88e6xxx_chip *chip)
1549 {
1550 	if (chip->info->ops->pot_clear)
1551 		return chip->info->ops->pot_clear(chip);
1552 
1553 	return 0;
1554 }
1555 
mv88e6xxx_rsvd2cpu_setup(struct mv88e6xxx_chip * chip)1556 static int mv88e6xxx_rsvd2cpu_setup(struct mv88e6xxx_chip *chip)
1557 {
1558 	if (chip->info->ops->mgmt_rsvd2cpu)
1559 		return chip->info->ops->mgmt_rsvd2cpu(chip);
1560 
1561 	return 0;
1562 }
1563 
mv88e6xxx_atu_setup(struct mv88e6xxx_chip * chip)1564 static int mv88e6xxx_atu_setup(struct mv88e6xxx_chip *chip)
1565 {
1566 	int err;
1567 
1568 	err = mv88e6xxx_g1_atu_flush(chip, 0, true);
1569 	if (err)
1570 		return err;
1571 
1572 	/* The chips that have a "learn2all" bit in Global1, ATU
1573 	 * Control are precisely those whose port registers have a
1574 	 * Message Port bit in Port Control 1 and hence implement
1575 	 * ->port_setup_message_port.
1576 	 */
1577 	if (chip->info->ops->port_setup_message_port) {
1578 		err = mv88e6xxx_g1_atu_set_learn2all(chip, true);
1579 		if (err)
1580 			return err;
1581 	}
1582 
1583 	return mv88e6xxx_g1_atu_set_age_time(chip, 300000);
1584 }
1585 
mv88e6xxx_irl_setup(struct mv88e6xxx_chip * chip)1586 static int mv88e6xxx_irl_setup(struct mv88e6xxx_chip *chip)
1587 {
1588 	int port;
1589 	int err;
1590 
1591 	if (!chip->info->ops->irl_init_all)
1592 		return 0;
1593 
1594 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
1595 		/* Disable ingress rate limiting by resetting all per port
1596 		 * ingress rate limit resources to their initial state.
1597 		 */
1598 		err = chip->info->ops->irl_init_all(chip, port);
1599 		if (err)
1600 			return err;
1601 	}
1602 
1603 	return 0;
1604 }
1605 
mv88e6xxx_mac_setup(struct mv88e6xxx_chip * chip)1606 static int mv88e6xxx_mac_setup(struct mv88e6xxx_chip *chip)
1607 {
1608 	if (chip->info->ops->set_switch_mac) {
1609 		u8 addr[ETH_ALEN];
1610 
1611 		eth_random_addr(addr);
1612 
1613 		return chip->info->ops->set_switch_mac(chip, addr);
1614 	}
1615 
1616 	return 0;
1617 }
1618 
mv88e6xxx_pvt_map(struct mv88e6xxx_chip * chip,int dev,int port)1619 static int mv88e6xxx_pvt_map(struct mv88e6xxx_chip *chip, int dev, int port)
1620 {
1621 	struct dsa_switch_tree *dst = chip->ds->dst;
1622 	struct dsa_switch *ds;
1623 	struct dsa_port *dp;
1624 	u16 pvlan = 0;
1625 
1626 	if (!mv88e6xxx_has_pvt(chip))
1627 		return 0;
1628 
1629 	/* Skip the local source device, which uses in-chip port VLAN */
1630 	if (dev != chip->ds->index) {
1631 		pvlan = mv88e6xxx_port_vlan(chip, dev, port);
1632 
1633 		ds = dsa_switch_find(dst->index, dev);
1634 		dp = ds ? dsa_to_port(ds, port) : NULL;
1635 		if (dp && dp->lag) {
1636 			/* As the PVT is used to limit flooding of
1637 			 * FORWARD frames, which use the LAG ID as the
1638 			 * source port, we must translate dev/port to
1639 			 * the special "LAG device" in the PVT, using
1640 			 * the LAG ID (one-based) as the port number
1641 			 * (zero-based).
1642 			 */
1643 			dev = MV88E6XXX_G2_PVT_ADDR_DEV_TRUNK;
1644 			port = dsa_port_lag_id_get(dp) - 1;
1645 		}
1646 	}
1647 
1648 	return mv88e6xxx_g2_pvt_write(chip, dev, port, pvlan);
1649 }
1650 
mv88e6xxx_pvt_setup(struct mv88e6xxx_chip * chip)1651 static int mv88e6xxx_pvt_setup(struct mv88e6xxx_chip *chip)
1652 {
1653 	int dev, port;
1654 	int err;
1655 
1656 	if (!mv88e6xxx_has_pvt(chip))
1657 		return 0;
1658 
1659 	/* Clear 5 Bit Port for usage with Marvell Link Street devices:
1660 	 * use 4 bits for the Src_Port/Src_Trunk and 5 bits for the Src_Dev.
1661 	 */
1662 	err = mv88e6xxx_g2_misc_4_bit_port(chip);
1663 	if (err)
1664 		return err;
1665 
1666 	for (dev = 0; dev < MV88E6XXX_MAX_PVT_SWITCHES; ++dev) {
1667 		for (port = 0; port < MV88E6XXX_MAX_PVT_PORTS; ++port) {
1668 			err = mv88e6xxx_pvt_map(chip, dev, port);
1669 			if (err)
1670 				return err;
1671 		}
1672 	}
1673 
1674 	return 0;
1675 }
1676 
mv88e6xxx_port_fast_age_fid(struct mv88e6xxx_chip * chip,int port,u16 fid)1677 static int mv88e6xxx_port_fast_age_fid(struct mv88e6xxx_chip *chip, int port,
1678 				       u16 fid)
1679 {
1680 	if (dsa_to_port(chip->ds, port)->lag)
1681 		/* Hardware is incapable of fast-aging a LAG through a
1682 		 * regular ATU move operation. Until we have something
1683 		 * more fancy in place this is a no-op.
1684 		 */
1685 		return -EOPNOTSUPP;
1686 
1687 	return mv88e6xxx_g1_atu_remove(chip, fid, port, false);
1688 }
1689 
mv88e6xxx_port_fast_age(struct dsa_switch * ds,int port)1690 static void mv88e6xxx_port_fast_age(struct dsa_switch *ds, int port)
1691 {
1692 	struct mv88e6xxx_chip *chip = ds->priv;
1693 	int err;
1694 
1695 	mv88e6xxx_reg_lock(chip);
1696 	err = mv88e6xxx_port_fast_age_fid(chip, port, 0);
1697 	mv88e6xxx_reg_unlock(chip);
1698 
1699 	if (err)
1700 		dev_err(chip->ds->dev, "p%d: failed to flush ATU: %d\n",
1701 			port, err);
1702 }
1703 
mv88e6xxx_vtu_setup(struct mv88e6xxx_chip * chip)1704 static int mv88e6xxx_vtu_setup(struct mv88e6xxx_chip *chip)
1705 {
1706 	if (!mv88e6xxx_max_vid(chip))
1707 		return 0;
1708 
1709 	return mv88e6xxx_g1_vtu_flush(chip);
1710 }
1711 
mv88e6xxx_vtu_get(struct mv88e6xxx_chip * chip,u16 vid,struct mv88e6xxx_vtu_entry * entry)1712 static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
1713 			     struct mv88e6xxx_vtu_entry *entry)
1714 {
1715 	int err;
1716 
1717 	if (!chip->info->ops->vtu_getnext)
1718 		return -EOPNOTSUPP;
1719 
1720 	entry->vid = vid ? vid - 1 : mv88e6xxx_max_vid(chip);
1721 	entry->valid = false;
1722 
1723 	err = chip->info->ops->vtu_getnext(chip, entry);
1724 
1725 	if (entry->vid != vid)
1726 		entry->valid = false;
1727 
1728 	return err;
1729 }
1730 
mv88e6xxx_vtu_walk(struct mv88e6xxx_chip * chip,int (* cb)(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * entry,void * priv),void * priv)1731 static int mv88e6xxx_vtu_walk(struct mv88e6xxx_chip *chip,
1732 			      int (*cb)(struct mv88e6xxx_chip *chip,
1733 					const struct mv88e6xxx_vtu_entry *entry,
1734 					void *priv),
1735 			      void *priv)
1736 {
1737 	struct mv88e6xxx_vtu_entry entry = {
1738 		.vid = mv88e6xxx_max_vid(chip),
1739 		.valid = false,
1740 	};
1741 	int err;
1742 
1743 	if (!chip->info->ops->vtu_getnext)
1744 		return -EOPNOTSUPP;
1745 
1746 	do {
1747 		err = chip->info->ops->vtu_getnext(chip, &entry);
1748 		if (err)
1749 			return err;
1750 
1751 		if (!entry.valid)
1752 			break;
1753 
1754 		err = cb(chip, &entry, priv);
1755 		if (err)
1756 			return err;
1757 	} while (entry.vid < mv88e6xxx_max_vid(chip));
1758 
1759 	return 0;
1760 }
1761 
mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip * chip,struct mv88e6xxx_vtu_entry * entry)1762 static int mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
1763 				   struct mv88e6xxx_vtu_entry *entry)
1764 {
1765 	if (!chip->info->ops->vtu_loadpurge)
1766 		return -EOPNOTSUPP;
1767 
1768 	return chip->info->ops->vtu_loadpurge(chip, entry);
1769 }
1770 
mv88e6xxx_fid_map_vlan(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * entry,void * _fid_bitmap)1771 static int mv88e6xxx_fid_map_vlan(struct mv88e6xxx_chip *chip,
1772 				  const struct mv88e6xxx_vtu_entry *entry,
1773 				  void *_fid_bitmap)
1774 {
1775 	unsigned long *fid_bitmap = _fid_bitmap;
1776 
1777 	set_bit(entry->fid, fid_bitmap);
1778 	return 0;
1779 }
1780 
mv88e6xxx_fid_map(struct mv88e6xxx_chip * chip,unsigned long * fid_bitmap)1781 int mv88e6xxx_fid_map(struct mv88e6xxx_chip *chip, unsigned long *fid_bitmap)
1782 {
1783 	bitmap_zero(fid_bitmap, MV88E6XXX_N_FID);
1784 
1785 	/* Every FID has an associated VID, so walking the VTU
1786 	 * will discover the full set of FIDs in use.
1787 	 */
1788 	return mv88e6xxx_vtu_walk(chip, mv88e6xxx_fid_map_vlan, fid_bitmap);
1789 }
1790 
mv88e6xxx_atu_new(struct mv88e6xxx_chip * chip,u16 * fid)1791 static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
1792 {
1793 	DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID);
1794 	int err;
1795 
1796 	err = mv88e6xxx_fid_map(chip, fid_bitmap);
1797 	if (err)
1798 		return err;
1799 
1800 	*fid = find_first_zero_bit(fid_bitmap, MV88E6XXX_N_FID);
1801 	if (unlikely(*fid >= mv88e6xxx_num_databases(chip)))
1802 		return -ENOSPC;
1803 
1804 	/* Clear the database */
1805 	return mv88e6xxx_g1_atu_flush(chip, *fid, true);
1806 }
1807 
mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip * chip,struct mv88e6xxx_stu_entry * entry)1808 static int mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip *chip,
1809 				   struct mv88e6xxx_stu_entry *entry)
1810 {
1811 	if (!chip->info->ops->stu_loadpurge)
1812 		return -EOPNOTSUPP;
1813 
1814 	return chip->info->ops->stu_loadpurge(chip, entry);
1815 }
1816 
mv88e6xxx_stu_setup(struct mv88e6xxx_chip * chip)1817 static int mv88e6xxx_stu_setup(struct mv88e6xxx_chip *chip)
1818 {
1819 	struct mv88e6xxx_stu_entry stu = {
1820 		.valid = true,
1821 		.sid = 0
1822 	};
1823 
1824 	if (!mv88e6xxx_has_stu(chip))
1825 		return 0;
1826 
1827 	/* Make sure that SID 0 is always valid. This is used by VTU
1828 	 * entries that do not make use of the STU, e.g. when creating
1829 	 * a VLAN upper on a port that is also part of a VLAN
1830 	 * filtering bridge.
1831 	 */
1832 	return mv88e6xxx_stu_loadpurge(chip, &stu);
1833 }
1834 
mv88e6xxx_sid_get(struct mv88e6xxx_chip * chip,u8 * sid)1835 static int mv88e6xxx_sid_get(struct mv88e6xxx_chip *chip, u8 *sid)
1836 {
1837 	DECLARE_BITMAP(busy, MV88E6XXX_N_SID) = { 0 };
1838 	struct mv88e6xxx_mst *mst;
1839 
1840 	__set_bit(0, busy);
1841 
1842 	list_for_each_entry(mst, &chip->msts, node)
1843 		__set_bit(mst->stu.sid, busy);
1844 
1845 	*sid = find_first_zero_bit(busy, MV88E6XXX_N_SID);
1846 
1847 	return (*sid >= mv88e6xxx_max_sid(chip)) ? -ENOSPC : 0;
1848 }
1849 
mv88e6xxx_mst_put(struct mv88e6xxx_chip * chip,u8 sid)1850 static int mv88e6xxx_mst_put(struct mv88e6xxx_chip *chip, u8 sid)
1851 {
1852 	struct mv88e6xxx_mst *mst, *tmp;
1853 	int err;
1854 
1855 	if (!sid)
1856 		return 0;
1857 
1858 	list_for_each_entry_safe(mst, tmp, &chip->msts, node) {
1859 		if (mst->stu.sid != sid)
1860 			continue;
1861 
1862 		if (!refcount_dec_and_test(&mst->refcnt))
1863 			return 0;
1864 
1865 		mst->stu.valid = false;
1866 		err = mv88e6xxx_stu_loadpurge(chip, &mst->stu);
1867 		if (err) {
1868 			refcount_set(&mst->refcnt, 1);
1869 			return err;
1870 		}
1871 
1872 		list_del(&mst->node);
1873 		kfree(mst);
1874 		return 0;
1875 	}
1876 
1877 	return -ENOENT;
1878 }
1879 
mv88e6xxx_mst_get(struct mv88e6xxx_chip * chip,struct net_device * br,u16 msti,u8 * sid)1880 static int mv88e6xxx_mst_get(struct mv88e6xxx_chip *chip, struct net_device *br,
1881 			     u16 msti, u8 *sid)
1882 {
1883 	struct mv88e6xxx_mst *mst;
1884 	int err, i;
1885 
1886 	if (!mv88e6xxx_has_stu(chip)) {
1887 		err = -EOPNOTSUPP;
1888 		goto err;
1889 	}
1890 
1891 	if (!msti) {
1892 		*sid = 0;
1893 		return 0;
1894 	}
1895 
1896 	list_for_each_entry(mst, &chip->msts, node) {
1897 		if (mst->br == br && mst->msti == msti) {
1898 			refcount_inc(&mst->refcnt);
1899 			*sid = mst->stu.sid;
1900 			return 0;
1901 		}
1902 	}
1903 
1904 	err = mv88e6xxx_sid_get(chip, sid);
1905 	if (err)
1906 		goto err;
1907 
1908 	mst = kzalloc(sizeof(*mst), GFP_KERNEL);
1909 	if (!mst) {
1910 		err = -ENOMEM;
1911 		goto err;
1912 	}
1913 
1914 	INIT_LIST_HEAD(&mst->node);
1915 	refcount_set(&mst->refcnt, 1);
1916 	mst->br = br;
1917 	mst->msti = msti;
1918 	mst->stu.valid = true;
1919 	mst->stu.sid = *sid;
1920 
1921 	/* The bridge starts out all ports in the disabled state. But
1922 	 * a STU state of disabled means to go by the port-global
1923 	 * state. So we set all user port's initial state to blocking,
1924 	 * to match the bridge's behavior.
1925 	 */
1926 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
1927 		mst->stu.state[i] = dsa_is_user_port(chip->ds, i) ?
1928 			MV88E6XXX_PORT_CTL0_STATE_BLOCKING :
1929 			MV88E6XXX_PORT_CTL0_STATE_DISABLED;
1930 
1931 	err = mv88e6xxx_stu_loadpurge(chip, &mst->stu);
1932 	if (err)
1933 		goto err_free;
1934 
1935 	list_add_tail(&mst->node, &chip->msts);
1936 	return 0;
1937 
1938 err_free:
1939 	kfree(mst);
1940 err:
1941 	return err;
1942 }
1943 
mv88e6xxx_port_mst_state_set(struct dsa_switch * ds,int port,const struct switchdev_mst_state * st)1944 static int mv88e6xxx_port_mst_state_set(struct dsa_switch *ds, int port,
1945 					const struct switchdev_mst_state *st)
1946 {
1947 	struct dsa_port *dp = dsa_to_port(ds, port);
1948 	struct mv88e6xxx_chip *chip = ds->priv;
1949 	struct mv88e6xxx_mst *mst;
1950 	u8 state;
1951 	int err;
1952 
1953 	if (!mv88e6xxx_has_stu(chip))
1954 		return -EOPNOTSUPP;
1955 
1956 	switch (st->state) {
1957 	case BR_STATE_DISABLED:
1958 	case BR_STATE_BLOCKING:
1959 	case BR_STATE_LISTENING:
1960 		state = MV88E6XXX_PORT_CTL0_STATE_BLOCKING;
1961 		break;
1962 	case BR_STATE_LEARNING:
1963 		state = MV88E6XXX_PORT_CTL0_STATE_LEARNING;
1964 		break;
1965 	case BR_STATE_FORWARDING:
1966 		state = MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
1967 		break;
1968 	default:
1969 		return -EINVAL;
1970 	}
1971 
1972 	list_for_each_entry(mst, &chip->msts, node) {
1973 		if (mst->br == dsa_port_bridge_dev_get(dp) &&
1974 		    mst->msti == st->msti) {
1975 			if (mst->stu.state[port] == state)
1976 				return 0;
1977 
1978 			mst->stu.state[port] = state;
1979 			mv88e6xxx_reg_lock(chip);
1980 			err = mv88e6xxx_stu_loadpurge(chip, &mst->stu);
1981 			mv88e6xxx_reg_unlock(chip);
1982 			return err;
1983 		}
1984 	}
1985 
1986 	return -ENOENT;
1987 }
1988 
mv88e6xxx_port_check_hw_vlan(struct dsa_switch * ds,int port,u16 vid)1989 static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
1990 					u16 vid)
1991 {
1992 	struct dsa_port *dp = dsa_to_port(ds, port), *other_dp;
1993 	struct mv88e6xxx_chip *chip = ds->priv;
1994 	struct mv88e6xxx_vtu_entry vlan;
1995 	int err;
1996 
1997 	/* DSA and CPU ports have to be members of multiple vlans */
1998 	if (dsa_port_is_dsa(dp) || dsa_port_is_cpu(dp))
1999 		return 0;
2000 
2001 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2002 	if (err)
2003 		return err;
2004 
2005 	if (!vlan.valid)
2006 		return 0;
2007 
2008 	dsa_switch_for_each_user_port(other_dp, ds) {
2009 		struct net_device *other_br;
2010 
2011 		if (vlan.member[other_dp->index] ==
2012 		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
2013 			continue;
2014 
2015 		if (dsa_port_bridge_same(dp, other_dp))
2016 			break; /* same bridge, check next VLAN */
2017 
2018 		other_br = dsa_port_bridge_dev_get(other_dp);
2019 		if (!other_br)
2020 			continue;
2021 
2022 		dev_err(ds->dev, "p%d: hw VLAN %d already used by port %d in %s\n",
2023 			port, vlan.vid, other_dp->index, netdev_name(other_br));
2024 		return -EOPNOTSUPP;
2025 	}
2026 
2027 	return 0;
2028 }
2029 
mv88e6xxx_port_commit_pvid(struct mv88e6xxx_chip * chip,int port)2030 static int mv88e6xxx_port_commit_pvid(struct mv88e6xxx_chip *chip, int port)
2031 {
2032 	struct dsa_port *dp = dsa_to_port(chip->ds, port);
2033 	struct net_device *br = dsa_port_bridge_dev_get(dp);
2034 	struct mv88e6xxx_port *p = &chip->ports[port];
2035 	u16 pvid = MV88E6XXX_VID_STANDALONE;
2036 	bool drop_untagged = false;
2037 	int err;
2038 
2039 	if (br) {
2040 		if (br_vlan_enabled(br)) {
2041 			pvid = p->bridge_pvid.vid;
2042 			drop_untagged = !p->bridge_pvid.valid;
2043 		} else {
2044 			pvid = MV88E6XXX_VID_BRIDGED;
2045 		}
2046 	}
2047 
2048 	err = mv88e6xxx_port_set_pvid(chip, port, pvid);
2049 	if (err)
2050 		return err;
2051 
2052 	return mv88e6xxx_port_drop_untagged(chip, port, drop_untagged);
2053 }
2054 
mv88e6xxx_port_vlan_filtering(struct dsa_switch * ds,int port,bool vlan_filtering,struct netlink_ext_ack * extack)2055 static int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
2056 					 bool vlan_filtering,
2057 					 struct netlink_ext_ack *extack)
2058 {
2059 	struct mv88e6xxx_chip *chip = ds->priv;
2060 	u16 mode = vlan_filtering ? MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE :
2061 		MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED;
2062 	int err;
2063 
2064 	if (!mv88e6xxx_max_vid(chip))
2065 		return -EOPNOTSUPP;
2066 
2067 	mv88e6xxx_reg_lock(chip);
2068 
2069 	err = mv88e6xxx_port_set_8021q_mode(chip, port, mode);
2070 	if (err)
2071 		goto unlock;
2072 
2073 	err = mv88e6xxx_port_commit_pvid(chip, port);
2074 	if (err)
2075 		goto unlock;
2076 
2077 unlock:
2078 	mv88e6xxx_reg_unlock(chip);
2079 
2080 	return err;
2081 }
2082 
2083 static int
mv88e6xxx_port_vlan_prepare(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan)2084 mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port,
2085 			    const struct switchdev_obj_port_vlan *vlan)
2086 {
2087 	struct mv88e6xxx_chip *chip = ds->priv;
2088 	int err;
2089 
2090 	if (!mv88e6xxx_max_vid(chip))
2091 		return -EOPNOTSUPP;
2092 
2093 	/* If the requested port doesn't belong to the same bridge as the VLAN
2094 	 * members, do not support it (yet) and fallback to software VLAN.
2095 	 */
2096 	mv88e6xxx_reg_lock(chip);
2097 	err = mv88e6xxx_port_check_hw_vlan(ds, port, vlan->vid);
2098 	mv88e6xxx_reg_unlock(chip);
2099 
2100 	return err;
2101 }
2102 
mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip * chip,int port,const unsigned char * addr,u16 vid,u8 state)2103 static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port,
2104 					const unsigned char *addr, u16 vid,
2105 					u8 state)
2106 {
2107 	struct mv88e6xxx_atu_entry entry;
2108 	struct mv88e6xxx_vtu_entry vlan;
2109 	u16 fid;
2110 	int err;
2111 
2112 	/* Ports have two private address databases: one for when the port is
2113 	 * standalone and one for when the port is under a bridge and the
2114 	 * 802.1Q mode is disabled. When the port is standalone, DSA wants its
2115 	 * address database to remain 100% empty, so we never load an ATU entry
2116 	 * into a standalone port's database. Therefore, translate the null
2117 	 * VLAN ID into the port's database used for VLAN-unaware bridging.
2118 	 */
2119 	if (vid == 0) {
2120 		fid = MV88E6XXX_FID_BRIDGED;
2121 	} else {
2122 		err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2123 		if (err)
2124 			return err;
2125 
2126 		/* switchdev expects -EOPNOTSUPP to honor software VLANs */
2127 		if (!vlan.valid)
2128 			return -EOPNOTSUPP;
2129 
2130 		fid = vlan.fid;
2131 	}
2132 
2133 	entry.state = 0;
2134 	ether_addr_copy(entry.mac, addr);
2135 	eth_addr_dec(entry.mac);
2136 
2137 	err = mv88e6xxx_g1_atu_getnext(chip, fid, &entry);
2138 	if (err)
2139 		return err;
2140 
2141 	/* Initialize a fresh ATU entry if it isn't found */
2142 	if (!entry.state || !ether_addr_equal(entry.mac, addr)) {
2143 		memset(&entry, 0, sizeof(entry));
2144 		ether_addr_copy(entry.mac, addr);
2145 	}
2146 
2147 	/* Purge the ATU entry only if no port is using it anymore */
2148 	if (!state) {
2149 		entry.portvec &= ~BIT(port);
2150 		if (!entry.portvec)
2151 			entry.state = 0;
2152 	} else {
2153 		if (state == MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC)
2154 			entry.portvec = BIT(port);
2155 		else
2156 			entry.portvec |= BIT(port);
2157 
2158 		entry.state = state;
2159 	}
2160 
2161 	return mv88e6xxx_g1_atu_loadpurge(chip, fid, &entry);
2162 }
2163 
mv88e6xxx_policy_apply(struct mv88e6xxx_chip * chip,int port,const struct mv88e6xxx_policy * policy)2164 static int mv88e6xxx_policy_apply(struct mv88e6xxx_chip *chip, int port,
2165 				  const struct mv88e6xxx_policy *policy)
2166 {
2167 	enum mv88e6xxx_policy_mapping mapping = policy->mapping;
2168 	enum mv88e6xxx_policy_action action = policy->action;
2169 	const u8 *addr = policy->addr;
2170 	u16 vid = policy->vid;
2171 	u8 state;
2172 	int err;
2173 	int id;
2174 
2175 	if (!chip->info->ops->port_set_policy)
2176 		return -EOPNOTSUPP;
2177 
2178 	switch (mapping) {
2179 	case MV88E6XXX_POLICY_MAPPING_DA:
2180 	case MV88E6XXX_POLICY_MAPPING_SA:
2181 		if (action == MV88E6XXX_POLICY_ACTION_NORMAL)
2182 			state = 0; /* Dissociate the port and address */
2183 		else if (action == MV88E6XXX_POLICY_ACTION_DISCARD &&
2184 			 is_multicast_ether_addr(addr))
2185 			state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC_POLICY;
2186 		else if (action == MV88E6XXX_POLICY_ACTION_DISCARD &&
2187 			 is_unicast_ether_addr(addr))
2188 			state = MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC_POLICY;
2189 		else
2190 			return -EOPNOTSUPP;
2191 
2192 		err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
2193 						   state);
2194 		if (err)
2195 			return err;
2196 		break;
2197 	default:
2198 		return -EOPNOTSUPP;
2199 	}
2200 
2201 	/* Skip the port's policy clearing if the mapping is still in use */
2202 	if (action == MV88E6XXX_POLICY_ACTION_NORMAL)
2203 		idr_for_each_entry(&chip->policies, policy, id)
2204 			if (policy->port == port &&
2205 			    policy->mapping == mapping &&
2206 			    policy->action != action)
2207 				return 0;
2208 
2209 	return chip->info->ops->port_set_policy(chip, port, mapping, action);
2210 }
2211 
mv88e6xxx_policy_insert(struct mv88e6xxx_chip * chip,int port,struct ethtool_rx_flow_spec * fs)2212 static int mv88e6xxx_policy_insert(struct mv88e6xxx_chip *chip, int port,
2213 				   struct ethtool_rx_flow_spec *fs)
2214 {
2215 	struct ethhdr *mac_entry = &fs->h_u.ether_spec;
2216 	struct ethhdr *mac_mask = &fs->m_u.ether_spec;
2217 	enum mv88e6xxx_policy_mapping mapping;
2218 	enum mv88e6xxx_policy_action action;
2219 	struct mv88e6xxx_policy *policy;
2220 	u16 vid = 0;
2221 	u8 *addr;
2222 	int err;
2223 	int id;
2224 
2225 	if (fs->location != RX_CLS_LOC_ANY)
2226 		return -EINVAL;
2227 
2228 	if (fs->ring_cookie == RX_CLS_FLOW_DISC)
2229 		action = MV88E6XXX_POLICY_ACTION_DISCARD;
2230 	else
2231 		return -EOPNOTSUPP;
2232 
2233 	switch (fs->flow_type & ~FLOW_EXT) {
2234 	case ETHER_FLOW:
2235 		if (!is_zero_ether_addr(mac_mask->h_dest) &&
2236 		    is_zero_ether_addr(mac_mask->h_source)) {
2237 			mapping = MV88E6XXX_POLICY_MAPPING_DA;
2238 			addr = mac_entry->h_dest;
2239 		} else if (is_zero_ether_addr(mac_mask->h_dest) &&
2240 		    !is_zero_ether_addr(mac_mask->h_source)) {
2241 			mapping = MV88E6XXX_POLICY_MAPPING_SA;
2242 			addr = mac_entry->h_source;
2243 		} else {
2244 			/* Cannot support DA and SA mapping in the same rule */
2245 			return -EOPNOTSUPP;
2246 		}
2247 		break;
2248 	default:
2249 		return -EOPNOTSUPP;
2250 	}
2251 
2252 	if ((fs->flow_type & FLOW_EXT) && fs->m_ext.vlan_tci) {
2253 		if (fs->m_ext.vlan_tci != htons(0xffff))
2254 			return -EOPNOTSUPP;
2255 		vid = be16_to_cpu(fs->h_ext.vlan_tci) & VLAN_VID_MASK;
2256 	}
2257 
2258 	idr_for_each_entry(&chip->policies, policy, id) {
2259 		if (policy->port == port && policy->mapping == mapping &&
2260 		    policy->action == action && policy->vid == vid &&
2261 		    ether_addr_equal(policy->addr, addr))
2262 			return -EEXIST;
2263 	}
2264 
2265 	policy = devm_kzalloc(chip->dev, sizeof(*policy), GFP_KERNEL);
2266 	if (!policy)
2267 		return -ENOMEM;
2268 
2269 	fs->location = 0;
2270 	err = idr_alloc_u32(&chip->policies, policy, &fs->location, 0xffffffff,
2271 			    GFP_KERNEL);
2272 	if (err) {
2273 		devm_kfree(chip->dev, policy);
2274 		return err;
2275 	}
2276 
2277 	memcpy(&policy->fs, fs, sizeof(*fs));
2278 	ether_addr_copy(policy->addr, addr);
2279 	policy->mapping = mapping;
2280 	policy->action = action;
2281 	policy->port = port;
2282 	policy->vid = vid;
2283 
2284 	err = mv88e6xxx_policy_apply(chip, port, policy);
2285 	if (err) {
2286 		idr_remove(&chip->policies, fs->location);
2287 		devm_kfree(chip->dev, policy);
2288 		return err;
2289 	}
2290 
2291 	return 0;
2292 }
2293 
mv88e6xxx_get_rxnfc(struct dsa_switch * ds,int port,struct ethtool_rxnfc * rxnfc,u32 * rule_locs)2294 static int mv88e6xxx_get_rxnfc(struct dsa_switch *ds, int port,
2295 			       struct ethtool_rxnfc *rxnfc, u32 *rule_locs)
2296 {
2297 	struct ethtool_rx_flow_spec *fs = &rxnfc->fs;
2298 	struct mv88e6xxx_chip *chip = ds->priv;
2299 	struct mv88e6xxx_policy *policy;
2300 	int err;
2301 	int id;
2302 
2303 	mv88e6xxx_reg_lock(chip);
2304 
2305 	switch (rxnfc->cmd) {
2306 	case ETHTOOL_GRXCLSRLCNT:
2307 		rxnfc->data = 0;
2308 		rxnfc->data |= RX_CLS_LOC_SPECIAL;
2309 		rxnfc->rule_cnt = 0;
2310 		idr_for_each_entry(&chip->policies, policy, id)
2311 			if (policy->port == port)
2312 				rxnfc->rule_cnt++;
2313 		err = 0;
2314 		break;
2315 	case ETHTOOL_GRXCLSRULE:
2316 		err = -ENOENT;
2317 		policy = idr_find(&chip->policies, fs->location);
2318 		if (policy) {
2319 			memcpy(fs, &policy->fs, sizeof(*fs));
2320 			err = 0;
2321 		}
2322 		break;
2323 	case ETHTOOL_GRXCLSRLALL:
2324 		rxnfc->data = 0;
2325 		rxnfc->rule_cnt = 0;
2326 		idr_for_each_entry(&chip->policies, policy, id)
2327 			if (policy->port == port)
2328 				rule_locs[rxnfc->rule_cnt++] = id;
2329 		err = 0;
2330 		break;
2331 	default:
2332 		err = -EOPNOTSUPP;
2333 		break;
2334 	}
2335 
2336 	mv88e6xxx_reg_unlock(chip);
2337 
2338 	return err;
2339 }
2340 
mv88e6xxx_set_rxnfc(struct dsa_switch * ds,int port,struct ethtool_rxnfc * rxnfc)2341 static int mv88e6xxx_set_rxnfc(struct dsa_switch *ds, int port,
2342 			       struct ethtool_rxnfc *rxnfc)
2343 {
2344 	struct ethtool_rx_flow_spec *fs = &rxnfc->fs;
2345 	struct mv88e6xxx_chip *chip = ds->priv;
2346 	struct mv88e6xxx_policy *policy;
2347 	int err;
2348 
2349 	mv88e6xxx_reg_lock(chip);
2350 
2351 	switch (rxnfc->cmd) {
2352 	case ETHTOOL_SRXCLSRLINS:
2353 		err = mv88e6xxx_policy_insert(chip, port, fs);
2354 		break;
2355 	case ETHTOOL_SRXCLSRLDEL:
2356 		err = -ENOENT;
2357 		policy = idr_remove(&chip->policies, fs->location);
2358 		if (policy) {
2359 			policy->action = MV88E6XXX_POLICY_ACTION_NORMAL;
2360 			err = mv88e6xxx_policy_apply(chip, port, policy);
2361 			devm_kfree(chip->dev, policy);
2362 		}
2363 		break;
2364 	default:
2365 		err = -EOPNOTSUPP;
2366 		break;
2367 	}
2368 
2369 	mv88e6xxx_reg_unlock(chip);
2370 
2371 	return err;
2372 }
2373 
mv88e6xxx_port_add_broadcast(struct mv88e6xxx_chip * chip,int port,u16 vid)2374 static int mv88e6xxx_port_add_broadcast(struct mv88e6xxx_chip *chip, int port,
2375 					u16 vid)
2376 {
2377 	u8 state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC;
2378 	u8 broadcast[ETH_ALEN];
2379 
2380 	eth_broadcast_addr(broadcast);
2381 
2382 	return mv88e6xxx_port_db_load_purge(chip, port, broadcast, vid, state);
2383 }
2384 
mv88e6xxx_broadcast_setup(struct mv88e6xxx_chip * chip,u16 vid)2385 static int mv88e6xxx_broadcast_setup(struct mv88e6xxx_chip *chip, u16 vid)
2386 {
2387 	int port;
2388 	int err;
2389 
2390 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
2391 		struct dsa_port *dp = dsa_to_port(chip->ds, port);
2392 		struct net_device *brport;
2393 
2394 		if (dsa_is_unused_port(chip->ds, port))
2395 			continue;
2396 
2397 		brport = dsa_port_to_bridge_port(dp);
2398 		if (brport && !br_port_flag_is_set(brport, BR_BCAST_FLOOD))
2399 			/* Skip bridged user ports where broadcast
2400 			 * flooding is disabled.
2401 			 */
2402 			continue;
2403 
2404 		err = mv88e6xxx_port_add_broadcast(chip, port, vid);
2405 		if (err)
2406 			return err;
2407 	}
2408 
2409 	return 0;
2410 }
2411 
2412 struct mv88e6xxx_port_broadcast_sync_ctx {
2413 	int port;
2414 	bool flood;
2415 };
2416 
2417 static int
mv88e6xxx_port_broadcast_sync_vlan(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * vlan,void * _ctx)2418 mv88e6xxx_port_broadcast_sync_vlan(struct mv88e6xxx_chip *chip,
2419 				   const struct mv88e6xxx_vtu_entry *vlan,
2420 				   void *_ctx)
2421 {
2422 	struct mv88e6xxx_port_broadcast_sync_ctx *ctx = _ctx;
2423 	u8 broadcast[ETH_ALEN];
2424 	u8 state;
2425 
2426 	if (ctx->flood)
2427 		state = MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC;
2428 	else
2429 		state = MV88E6XXX_G1_ATU_DATA_STATE_MC_UNUSED;
2430 
2431 	eth_broadcast_addr(broadcast);
2432 
2433 	return mv88e6xxx_port_db_load_purge(chip, ctx->port, broadcast,
2434 					    vlan->vid, state);
2435 }
2436 
mv88e6xxx_port_broadcast_sync(struct mv88e6xxx_chip * chip,int port,bool flood)2437 static int mv88e6xxx_port_broadcast_sync(struct mv88e6xxx_chip *chip, int port,
2438 					 bool flood)
2439 {
2440 	struct mv88e6xxx_port_broadcast_sync_ctx ctx = {
2441 		.port = port,
2442 		.flood = flood,
2443 	};
2444 	struct mv88e6xxx_vtu_entry vid0 = {
2445 		.vid = 0,
2446 	};
2447 	int err;
2448 
2449 	/* Update the port's private database... */
2450 	err = mv88e6xxx_port_broadcast_sync_vlan(chip, &vid0, &ctx);
2451 	if (err)
2452 		return err;
2453 
2454 	/* ...and the database for all VLANs. */
2455 	return mv88e6xxx_vtu_walk(chip, mv88e6xxx_port_broadcast_sync_vlan,
2456 				  &ctx);
2457 }
2458 
mv88e6xxx_port_vlan_join(struct mv88e6xxx_chip * chip,int port,u16 vid,u8 member,bool warn)2459 static int mv88e6xxx_port_vlan_join(struct mv88e6xxx_chip *chip, int port,
2460 				    u16 vid, u8 member, bool warn)
2461 {
2462 	const u8 non_member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
2463 	struct mv88e6xxx_vtu_entry vlan;
2464 	int i, err;
2465 
2466 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2467 	if (err)
2468 		return err;
2469 
2470 	if (!vlan.valid) {
2471 		memset(&vlan, 0, sizeof(vlan));
2472 
2473 		if (vid == MV88E6XXX_VID_STANDALONE)
2474 			vlan.policy = true;
2475 
2476 		err = mv88e6xxx_atu_new(chip, &vlan.fid);
2477 		if (err)
2478 			return err;
2479 
2480 		for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
2481 			if (i == port)
2482 				vlan.member[i] = member;
2483 			else
2484 				vlan.member[i] = non_member;
2485 
2486 		vlan.vid = vid;
2487 		vlan.valid = true;
2488 
2489 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2490 		if (err)
2491 			return err;
2492 
2493 		err = mv88e6xxx_broadcast_setup(chip, vlan.vid);
2494 		if (err)
2495 			return err;
2496 	} else if (vlan.member[port] != member) {
2497 		vlan.member[port] = member;
2498 
2499 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2500 		if (err)
2501 			return err;
2502 	} else if (warn) {
2503 		dev_info(chip->dev, "p%d: already a member of VLAN %d\n",
2504 			 port, vid);
2505 	}
2506 
2507 	return 0;
2508 }
2509 
mv88e6xxx_port_vlan_add(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan,struct netlink_ext_ack * extack)2510 static int mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
2511 				   const struct switchdev_obj_port_vlan *vlan,
2512 				   struct netlink_ext_ack *extack)
2513 {
2514 	struct mv88e6xxx_chip *chip = ds->priv;
2515 	bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
2516 	bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
2517 	struct mv88e6xxx_port *p = &chip->ports[port];
2518 	bool warn;
2519 	u8 member;
2520 	int err;
2521 
2522 	if (!vlan->vid)
2523 		return 0;
2524 
2525 	err = mv88e6xxx_port_vlan_prepare(ds, port, vlan);
2526 	if (err)
2527 		return err;
2528 
2529 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
2530 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED;
2531 	else if (untagged)
2532 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED;
2533 	else
2534 		member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_TAGGED;
2535 
2536 	/* net/dsa/slave.c will call dsa_port_vlan_add() for the affected port
2537 	 * and then the CPU port. Do not warn for duplicates for the CPU port.
2538 	 */
2539 	warn = !dsa_is_cpu_port(ds, port) && !dsa_is_dsa_port(ds, port);
2540 
2541 	mv88e6xxx_reg_lock(chip);
2542 
2543 	err = mv88e6xxx_port_vlan_join(chip, port, vlan->vid, member, warn);
2544 	if (err) {
2545 		dev_err(ds->dev, "p%d: failed to add VLAN %d%c\n", port,
2546 			vlan->vid, untagged ? 'u' : 't');
2547 		goto out;
2548 	}
2549 
2550 	if (pvid) {
2551 		p->bridge_pvid.vid = vlan->vid;
2552 		p->bridge_pvid.valid = true;
2553 
2554 		err = mv88e6xxx_port_commit_pvid(chip, port);
2555 		if (err)
2556 			goto out;
2557 	} else if (vlan->vid && p->bridge_pvid.vid == vlan->vid) {
2558 		/* The old pvid was reinstalled as a non-pvid VLAN */
2559 		p->bridge_pvid.valid = false;
2560 
2561 		err = mv88e6xxx_port_commit_pvid(chip, port);
2562 		if (err)
2563 			goto out;
2564 	}
2565 
2566 out:
2567 	mv88e6xxx_reg_unlock(chip);
2568 
2569 	return err;
2570 }
2571 
mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip * chip,int port,u16 vid)2572 static int mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip *chip,
2573 				     int port, u16 vid)
2574 {
2575 	struct mv88e6xxx_vtu_entry vlan;
2576 	int i, err;
2577 
2578 	if (!vid)
2579 		return 0;
2580 
2581 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2582 	if (err)
2583 		return err;
2584 
2585 	/* If the VLAN doesn't exist in hardware or the port isn't a member,
2586 	 * tell switchdev that this VLAN is likely handled in software.
2587 	 */
2588 	if (!vlan.valid ||
2589 	    vlan.member[port] == MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
2590 		return -EOPNOTSUPP;
2591 
2592 	vlan.member[port] = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
2593 
2594 	/* keep the VLAN unless all ports are excluded */
2595 	vlan.valid = false;
2596 	for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
2597 		if (vlan.member[i] !=
2598 		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
2599 			vlan.valid = true;
2600 			break;
2601 		}
2602 	}
2603 
2604 	err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2605 	if (err)
2606 		return err;
2607 
2608 	if (!vlan.valid) {
2609 		err = mv88e6xxx_mst_put(chip, vlan.sid);
2610 		if (err)
2611 			return err;
2612 	}
2613 
2614 	return mv88e6xxx_g1_atu_remove(chip, vlan.fid, port, false);
2615 }
2616 
mv88e6xxx_port_vlan_del(struct dsa_switch * ds,int port,const struct switchdev_obj_port_vlan * vlan)2617 static int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port,
2618 				   const struct switchdev_obj_port_vlan *vlan)
2619 {
2620 	struct mv88e6xxx_chip *chip = ds->priv;
2621 	struct mv88e6xxx_port *p = &chip->ports[port];
2622 	int err = 0;
2623 	u16 pvid;
2624 
2625 	if (!mv88e6xxx_max_vid(chip))
2626 		return -EOPNOTSUPP;
2627 
2628 	/* The ATU removal procedure needs the FID to be mapped in the VTU,
2629 	 * but FDB deletion runs concurrently with VLAN deletion. Flush the DSA
2630 	 * switchdev workqueue to ensure that all FDB entries are deleted
2631 	 * before we remove the VLAN.
2632 	 */
2633 	dsa_flush_workqueue();
2634 
2635 	mv88e6xxx_reg_lock(chip);
2636 
2637 	err = mv88e6xxx_port_get_pvid(chip, port, &pvid);
2638 	if (err)
2639 		goto unlock;
2640 
2641 	err = mv88e6xxx_port_vlan_leave(chip, port, vlan->vid);
2642 	if (err)
2643 		goto unlock;
2644 
2645 	if (vlan->vid == pvid) {
2646 		p->bridge_pvid.valid = false;
2647 
2648 		err = mv88e6xxx_port_commit_pvid(chip, port);
2649 		if (err)
2650 			goto unlock;
2651 	}
2652 
2653 unlock:
2654 	mv88e6xxx_reg_unlock(chip);
2655 
2656 	return err;
2657 }
2658 
mv88e6xxx_port_vlan_fast_age(struct dsa_switch * ds,int port,u16 vid)2659 static int mv88e6xxx_port_vlan_fast_age(struct dsa_switch *ds, int port, u16 vid)
2660 {
2661 	struct mv88e6xxx_chip *chip = ds->priv;
2662 	struct mv88e6xxx_vtu_entry vlan;
2663 	int err;
2664 
2665 	mv88e6xxx_reg_lock(chip);
2666 
2667 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
2668 	if (err)
2669 		goto unlock;
2670 
2671 	err = mv88e6xxx_port_fast_age_fid(chip, port, vlan.fid);
2672 
2673 unlock:
2674 	mv88e6xxx_reg_unlock(chip);
2675 
2676 	return err;
2677 }
2678 
mv88e6xxx_vlan_msti_set(struct dsa_switch * ds,struct dsa_bridge bridge,const struct switchdev_vlan_msti * msti)2679 static int mv88e6xxx_vlan_msti_set(struct dsa_switch *ds,
2680 				   struct dsa_bridge bridge,
2681 				   const struct switchdev_vlan_msti *msti)
2682 {
2683 	struct mv88e6xxx_chip *chip = ds->priv;
2684 	struct mv88e6xxx_vtu_entry vlan;
2685 	u8 old_sid, new_sid;
2686 	int err;
2687 
2688 	if (!mv88e6xxx_has_stu(chip))
2689 		return -EOPNOTSUPP;
2690 
2691 	mv88e6xxx_reg_lock(chip);
2692 
2693 	err = mv88e6xxx_vtu_get(chip, msti->vid, &vlan);
2694 	if (err)
2695 		goto unlock;
2696 
2697 	if (!vlan.valid) {
2698 		err = -EINVAL;
2699 		goto unlock;
2700 	}
2701 
2702 	old_sid = vlan.sid;
2703 
2704 	err = mv88e6xxx_mst_get(chip, bridge.dev, msti->msti, &new_sid);
2705 	if (err)
2706 		goto unlock;
2707 
2708 	if (new_sid != old_sid) {
2709 		vlan.sid = new_sid;
2710 
2711 		err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
2712 		if (err) {
2713 			mv88e6xxx_mst_put(chip, new_sid);
2714 			goto unlock;
2715 		}
2716 	}
2717 
2718 	err = mv88e6xxx_mst_put(chip, old_sid);
2719 
2720 unlock:
2721 	mv88e6xxx_reg_unlock(chip);
2722 	return err;
2723 }
2724 
mv88e6xxx_port_fdb_add(struct dsa_switch * ds,int port,const unsigned char * addr,u16 vid,struct dsa_db db)2725 static int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
2726 				  const unsigned char *addr, u16 vid,
2727 				  struct dsa_db db)
2728 {
2729 	struct mv88e6xxx_chip *chip = ds->priv;
2730 	int err;
2731 
2732 	mv88e6xxx_reg_lock(chip);
2733 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
2734 					   MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
2735 	mv88e6xxx_reg_unlock(chip);
2736 
2737 	return err;
2738 }
2739 
mv88e6xxx_port_fdb_del(struct dsa_switch * ds,int port,const unsigned char * addr,u16 vid,struct dsa_db db)2740 static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
2741 				  const unsigned char *addr, u16 vid,
2742 				  struct dsa_db db)
2743 {
2744 	struct mv88e6xxx_chip *chip = ds->priv;
2745 	int err;
2746 
2747 	mv88e6xxx_reg_lock(chip);
2748 	err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid, 0);
2749 	mv88e6xxx_reg_unlock(chip);
2750 
2751 	return err;
2752 }
2753 
mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip * chip,u16 fid,u16 vid,int port,dsa_fdb_dump_cb_t * cb,void * data)2754 static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip,
2755 				      u16 fid, u16 vid, int port,
2756 				      dsa_fdb_dump_cb_t *cb, void *data)
2757 {
2758 	struct mv88e6xxx_atu_entry addr;
2759 	bool is_static;
2760 	int err;
2761 
2762 	addr.state = 0;
2763 	eth_broadcast_addr(addr.mac);
2764 
2765 	do {
2766 		err = mv88e6xxx_g1_atu_getnext(chip, fid, &addr);
2767 		if (err)
2768 			return err;
2769 
2770 		if (!addr.state)
2771 			break;
2772 
2773 		if (addr.trunk || (addr.portvec & BIT(port)) == 0)
2774 			continue;
2775 
2776 		if (!is_unicast_ether_addr(addr.mac))
2777 			continue;
2778 
2779 		is_static = (addr.state ==
2780 			     MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
2781 		err = cb(addr.mac, vid, is_static, data);
2782 		if (err)
2783 			return err;
2784 	} while (!is_broadcast_ether_addr(addr.mac));
2785 
2786 	return err;
2787 }
2788 
2789 struct mv88e6xxx_port_db_dump_vlan_ctx {
2790 	int port;
2791 	dsa_fdb_dump_cb_t *cb;
2792 	void *data;
2793 };
2794 
mv88e6xxx_port_db_dump_vlan(struct mv88e6xxx_chip * chip,const struct mv88e6xxx_vtu_entry * entry,void * _data)2795 static int mv88e6xxx_port_db_dump_vlan(struct mv88e6xxx_chip *chip,
2796 				       const struct mv88e6xxx_vtu_entry *entry,
2797 				       void *_data)
2798 {
2799 	struct mv88e6xxx_port_db_dump_vlan_ctx *ctx = _data;
2800 
2801 	return mv88e6xxx_port_db_dump_fid(chip, entry->fid, entry->vid,
2802 					  ctx->port, ctx->cb, ctx->data);
2803 }
2804 
mv88e6xxx_port_db_dump(struct mv88e6xxx_chip * chip,int port,dsa_fdb_dump_cb_t * cb,void * data)2805 static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
2806 				  dsa_fdb_dump_cb_t *cb, void *data)
2807 {
2808 	struct mv88e6xxx_port_db_dump_vlan_ctx ctx = {
2809 		.port = port,
2810 		.cb = cb,
2811 		.data = data,
2812 	};
2813 	u16 fid;
2814 	int err;
2815 
2816 	/* Dump port's default Filtering Information Database (VLAN ID 0) */
2817 	err = mv88e6xxx_port_get_fid(chip, port, &fid);
2818 	if (err)
2819 		return err;
2820 
2821 	err = mv88e6xxx_port_db_dump_fid(chip, fid, 0, port, cb, data);
2822 	if (err)
2823 		return err;
2824 
2825 	return mv88e6xxx_vtu_walk(chip, mv88e6xxx_port_db_dump_vlan, &ctx);
2826 }
2827 
mv88e6xxx_port_fdb_dump(struct dsa_switch * ds,int port,dsa_fdb_dump_cb_t * cb,void * data)2828 static int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
2829 				   dsa_fdb_dump_cb_t *cb, void *data)
2830 {
2831 	struct mv88e6xxx_chip *chip = ds->priv;
2832 	int err;
2833 
2834 	mv88e6xxx_reg_lock(chip);
2835 	err = mv88e6xxx_port_db_dump(chip, port, cb, data);
2836 	mv88e6xxx_reg_unlock(chip);
2837 
2838 	return err;
2839 }
2840 
mv88e6xxx_bridge_map(struct mv88e6xxx_chip * chip,struct dsa_bridge bridge)2841 static int mv88e6xxx_bridge_map(struct mv88e6xxx_chip *chip,
2842 				struct dsa_bridge bridge)
2843 {
2844 	struct dsa_switch *ds = chip->ds;
2845 	struct dsa_switch_tree *dst = ds->dst;
2846 	struct dsa_port *dp;
2847 	int err;
2848 
2849 	list_for_each_entry(dp, &dst->ports, list) {
2850 		if (dsa_port_offloads_bridge(dp, &bridge)) {
2851 			if (dp->ds == ds) {
2852 				/* This is a local bridge group member,
2853 				 * remap its Port VLAN Map.
2854 				 */
2855 				err = mv88e6xxx_port_vlan_map(chip, dp->index);
2856 				if (err)
2857 					return err;
2858 			} else {
2859 				/* This is an external bridge group member,
2860 				 * remap its cross-chip Port VLAN Table entry.
2861 				 */
2862 				err = mv88e6xxx_pvt_map(chip, dp->ds->index,
2863 							dp->index);
2864 				if (err)
2865 					return err;
2866 			}
2867 		}
2868 	}
2869 
2870 	return 0;
2871 }
2872 
2873 /* Treat the software bridge as a virtual single-port switch behind the
2874  * CPU and map in the PVT. First dst->last_switch elements are taken by
2875  * physical switches, so start from beyond that range.
2876  */
mv88e6xxx_map_virtual_bridge_to_pvt(struct dsa_switch * ds,unsigned int bridge_num)2877 static int mv88e6xxx_map_virtual_bridge_to_pvt(struct dsa_switch *ds,
2878 					       unsigned int bridge_num)
2879 {
2880 	u8 dev = bridge_num + ds->dst->last_switch;
2881 	struct mv88e6xxx_chip *chip = ds->priv;
2882 
2883 	return mv88e6xxx_pvt_map(chip, dev, 0);
2884 }
2885 
mv88e6xxx_port_bridge_join(struct dsa_switch * ds,int port,struct dsa_bridge bridge,bool * tx_fwd_offload,struct netlink_ext_ack * extack)2886 static int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port,
2887 				      struct dsa_bridge bridge,
2888 				      bool *tx_fwd_offload,
2889 				      struct netlink_ext_ack *extack)
2890 {
2891 	struct mv88e6xxx_chip *chip = ds->priv;
2892 	int err;
2893 
2894 	mv88e6xxx_reg_lock(chip);
2895 
2896 	err = mv88e6xxx_bridge_map(chip, bridge);
2897 	if (err)
2898 		goto unlock;
2899 
2900 	err = mv88e6xxx_port_set_map_da(chip, port, true);
2901 	if (err)
2902 		goto unlock;
2903 
2904 	err = mv88e6xxx_port_commit_pvid(chip, port);
2905 	if (err)
2906 		goto unlock;
2907 
2908 	if (mv88e6xxx_has_pvt(chip)) {
2909 		err = mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num);
2910 		if (err)
2911 			goto unlock;
2912 
2913 		*tx_fwd_offload = true;
2914 	}
2915 
2916 unlock:
2917 	mv88e6xxx_reg_unlock(chip);
2918 
2919 	return err;
2920 }
2921 
mv88e6xxx_port_bridge_leave(struct dsa_switch * ds,int port,struct dsa_bridge bridge)2922 static void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port,
2923 					struct dsa_bridge bridge)
2924 {
2925 	struct mv88e6xxx_chip *chip = ds->priv;
2926 	int err;
2927 
2928 	mv88e6xxx_reg_lock(chip);
2929 
2930 	if (bridge.tx_fwd_offload &&
2931 	    mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num))
2932 		dev_err(ds->dev, "failed to remap cross-chip Port VLAN\n");
2933 
2934 	if (mv88e6xxx_bridge_map(chip, bridge) ||
2935 	    mv88e6xxx_port_vlan_map(chip, port))
2936 		dev_err(ds->dev, "failed to remap in-chip Port VLAN\n");
2937 
2938 	err = mv88e6xxx_port_set_map_da(chip, port, false);
2939 	if (err)
2940 		dev_err(ds->dev,
2941 			"port %d failed to restore map-DA: %pe\n",
2942 			port, ERR_PTR(err));
2943 
2944 	err = mv88e6xxx_port_commit_pvid(chip, port);
2945 	if (err)
2946 		dev_err(ds->dev,
2947 			"port %d failed to restore standalone pvid: %pe\n",
2948 			port, ERR_PTR(err));
2949 
2950 	mv88e6xxx_reg_unlock(chip);
2951 }
2952 
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)2953 static int mv88e6xxx_crosschip_bridge_join(struct dsa_switch *ds,
2954 					   int tree_index, int sw_index,
2955 					   int port, struct dsa_bridge bridge,
2956 					   struct netlink_ext_ack *extack)
2957 {
2958 	struct mv88e6xxx_chip *chip = ds->priv;
2959 	int err;
2960 
2961 	if (tree_index != ds->dst->index)
2962 		return 0;
2963 
2964 	mv88e6xxx_reg_lock(chip);
2965 	err = mv88e6xxx_pvt_map(chip, sw_index, port);
2966 	err = err ? : mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num);
2967 	mv88e6xxx_reg_unlock(chip);
2968 
2969 	return err;
2970 }
2971 
mv88e6xxx_crosschip_bridge_leave(struct dsa_switch * ds,int tree_index,int sw_index,int port,struct dsa_bridge bridge)2972 static void mv88e6xxx_crosschip_bridge_leave(struct dsa_switch *ds,
2973 					     int tree_index, int sw_index,
2974 					     int port, struct dsa_bridge bridge)
2975 {
2976 	struct mv88e6xxx_chip *chip = ds->priv;
2977 
2978 	if (tree_index != ds->dst->index)
2979 		return;
2980 
2981 	mv88e6xxx_reg_lock(chip);
2982 	if (mv88e6xxx_pvt_map(chip, sw_index, port) ||
2983 	    mv88e6xxx_map_virtual_bridge_to_pvt(ds, bridge.num))
2984 		dev_err(ds->dev, "failed to remap cross-chip Port VLAN\n");
2985 	mv88e6xxx_reg_unlock(chip);
2986 }
2987 
mv88e6xxx_software_reset(struct mv88e6xxx_chip * chip)2988 static int mv88e6xxx_software_reset(struct mv88e6xxx_chip *chip)
2989 {
2990 	if (chip->info->ops->reset)
2991 		return chip->info->ops->reset(chip);
2992 
2993 	return 0;
2994 }
2995 
mv88e6xxx_hardware_reset(struct mv88e6xxx_chip * chip)2996 static void mv88e6xxx_hardware_reset(struct mv88e6xxx_chip *chip)
2997 {
2998 	struct gpio_desc *gpiod = chip->reset;
2999 
3000 	/* If there is a GPIO connected to the reset pin, toggle it */
3001 	if (gpiod) {
3002 		gpiod_set_value_cansleep(gpiod, 1);
3003 		usleep_range(10000, 20000);
3004 		gpiod_set_value_cansleep(gpiod, 0);
3005 		usleep_range(10000, 20000);
3006 
3007 		mv88e6xxx_g1_wait_eeprom_done(chip);
3008 	}
3009 }
3010 
mv88e6xxx_disable_ports(struct mv88e6xxx_chip * chip)3011 static int mv88e6xxx_disable_ports(struct mv88e6xxx_chip *chip)
3012 {
3013 	int i, err;
3014 
3015 	/* Set all ports to the Disabled state */
3016 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
3017 		err = mv88e6xxx_port_set_state(chip, i, BR_STATE_DISABLED);
3018 		if (err)
3019 			return err;
3020 	}
3021 
3022 	/* Wait for transmit queues to drain,
3023 	 * i.e. 2ms for a maximum frame to be transmitted at 10 Mbps.
3024 	 */
3025 	usleep_range(2000, 4000);
3026 
3027 	return 0;
3028 }
3029 
mv88e6xxx_switch_reset(struct mv88e6xxx_chip * chip)3030 static int mv88e6xxx_switch_reset(struct mv88e6xxx_chip *chip)
3031 {
3032 	int err;
3033 
3034 	err = mv88e6xxx_disable_ports(chip);
3035 	if (err)
3036 		return err;
3037 
3038 	mv88e6xxx_hardware_reset(chip);
3039 
3040 	return mv88e6xxx_software_reset(chip);
3041 }
3042 
mv88e6xxx_set_port_mode(struct mv88e6xxx_chip * chip,int port,enum mv88e6xxx_frame_mode frame,enum mv88e6xxx_egress_mode egress,u16 etype)3043 static int mv88e6xxx_set_port_mode(struct mv88e6xxx_chip *chip, int port,
3044 				   enum mv88e6xxx_frame_mode frame,
3045 				   enum mv88e6xxx_egress_mode egress, u16 etype)
3046 {
3047 	int err;
3048 
3049 	if (!chip->info->ops->port_set_frame_mode)
3050 		return -EOPNOTSUPP;
3051 
3052 	err = mv88e6xxx_port_set_egress_mode(chip, port, egress);
3053 	if (err)
3054 		return err;
3055 
3056 	err = chip->info->ops->port_set_frame_mode(chip, port, frame);
3057 	if (err)
3058 		return err;
3059 
3060 	if (chip->info->ops->port_set_ether_type)
3061 		return chip->info->ops->port_set_ether_type(chip, port, etype);
3062 
3063 	return 0;
3064 }
3065 
mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip * chip,int port)3066 static int mv88e6xxx_set_port_mode_normal(struct mv88e6xxx_chip *chip, int port)
3067 {
3068 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_NORMAL,
3069 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
3070 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
3071 }
3072 
mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip * chip,int port)3073 static int mv88e6xxx_set_port_mode_dsa(struct mv88e6xxx_chip *chip, int port)
3074 {
3075 	return mv88e6xxx_set_port_mode(chip, port, MV88E6XXX_FRAME_MODE_DSA,
3076 				       MV88E6XXX_EGRESS_MODE_UNMODIFIED,
3077 				       MV88E6XXX_PORT_ETH_TYPE_DEFAULT);
3078 }
3079 
mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip * chip,int port)3080 static int mv88e6xxx_set_port_mode_edsa(struct mv88e6xxx_chip *chip, int port)
3081 {
3082 	return mv88e6xxx_set_port_mode(chip, port,
3083 				       MV88E6XXX_FRAME_MODE_ETHERTYPE,
3084 				       MV88E6XXX_EGRESS_MODE_ETHERTYPE,
3085 				       ETH_P_EDSA);
3086 }
3087 
mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip * chip,int port)3088 static int mv88e6xxx_setup_port_mode(struct mv88e6xxx_chip *chip, int port)
3089 {
3090 	if (dsa_is_dsa_port(chip->ds, port))
3091 		return mv88e6xxx_set_port_mode_dsa(chip, port);
3092 
3093 	if (dsa_is_user_port(chip->ds, port))
3094 		return mv88e6xxx_set_port_mode_normal(chip, port);
3095 
3096 	/* Setup CPU port mode depending on its supported tag format */
3097 	if (chip->tag_protocol == DSA_TAG_PROTO_DSA)
3098 		return mv88e6xxx_set_port_mode_dsa(chip, port);
3099 
3100 	if (chip->tag_protocol == DSA_TAG_PROTO_EDSA)
3101 		return mv88e6xxx_set_port_mode_edsa(chip, port);
3102 
3103 	return -EINVAL;
3104 }
3105 
mv88e6xxx_setup_message_port(struct mv88e6xxx_chip * chip,int port)3106 static int mv88e6xxx_setup_message_port(struct mv88e6xxx_chip *chip, int port)
3107 {
3108 	bool message = dsa_is_dsa_port(chip->ds, port);
3109 
3110 	return mv88e6xxx_port_set_message_port(chip, port, message);
3111 }
3112 
mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip * chip,int port)3113 static int mv88e6xxx_setup_egress_floods(struct mv88e6xxx_chip *chip, int port)
3114 {
3115 	int err;
3116 
3117 	if (chip->info->ops->port_set_ucast_flood) {
3118 		err = chip->info->ops->port_set_ucast_flood(chip, port, true);
3119 		if (err)
3120 			return err;
3121 	}
3122 	if (chip->info->ops->port_set_mcast_flood) {
3123 		err = chip->info->ops->port_set_mcast_flood(chip, port, true);
3124 		if (err)
3125 			return err;
3126 	}
3127 
3128 	return 0;
3129 }
3130 
mv88e6xxx_serdes_irq_thread_fn(int irq,void * dev_id)3131 static irqreturn_t mv88e6xxx_serdes_irq_thread_fn(int irq, void *dev_id)
3132 {
3133 	struct mv88e6xxx_port *mvp = dev_id;
3134 	struct mv88e6xxx_chip *chip = mvp->chip;
3135 	irqreturn_t ret = IRQ_NONE;
3136 	int port = mvp->port;
3137 	int lane;
3138 
3139 	mv88e6xxx_reg_lock(chip);
3140 	lane = mv88e6xxx_serdes_get_lane(chip, port);
3141 	if (lane >= 0)
3142 		ret = mv88e6xxx_serdes_irq_status(chip, port, lane);
3143 	mv88e6xxx_reg_unlock(chip);
3144 
3145 	return ret;
3146 }
3147 
mv88e6xxx_serdes_irq_request(struct mv88e6xxx_chip * chip,int port,int lane)3148 static int mv88e6xxx_serdes_irq_request(struct mv88e6xxx_chip *chip, int port,
3149 					int lane)
3150 {
3151 	struct mv88e6xxx_port *dev_id = &chip->ports[port];
3152 	unsigned int irq;
3153 	int err;
3154 
3155 	/* Nothing to request if this SERDES port has no IRQ */
3156 	irq = mv88e6xxx_serdes_irq_mapping(chip, port);
3157 	if (!irq)
3158 		return 0;
3159 
3160 	snprintf(dev_id->serdes_irq_name, sizeof(dev_id->serdes_irq_name),
3161 		 "mv88e6xxx-%s-serdes-%d", dev_name(chip->dev), port);
3162 
3163 	/* Requesting the IRQ will trigger IRQ callbacks, so release the lock */
3164 	mv88e6xxx_reg_unlock(chip);
3165 	err = request_threaded_irq(irq, NULL, mv88e6xxx_serdes_irq_thread_fn,
3166 				   IRQF_ONESHOT, dev_id->serdes_irq_name,
3167 				   dev_id);
3168 	mv88e6xxx_reg_lock(chip);
3169 	if (err)
3170 		return err;
3171 
3172 	dev_id->serdes_irq = irq;
3173 
3174 	return mv88e6xxx_serdes_irq_enable(chip, port, lane);
3175 }
3176 
mv88e6xxx_serdes_irq_free(struct mv88e6xxx_chip * chip,int port,int lane)3177 static int mv88e6xxx_serdes_irq_free(struct mv88e6xxx_chip *chip, int port,
3178 				     int lane)
3179 {
3180 	struct mv88e6xxx_port *dev_id = &chip->ports[port];
3181 	unsigned int irq = dev_id->serdes_irq;
3182 	int err;
3183 
3184 	/* Nothing to free if no IRQ has been requested */
3185 	if (!irq)
3186 		return 0;
3187 
3188 	err = mv88e6xxx_serdes_irq_disable(chip, port, lane);
3189 
3190 	/* Freeing the IRQ will trigger IRQ callbacks, so release the lock */
3191 	mv88e6xxx_reg_unlock(chip);
3192 	free_irq(irq, dev_id);
3193 	mv88e6xxx_reg_lock(chip);
3194 
3195 	dev_id->serdes_irq = 0;
3196 
3197 	return err;
3198 }
3199 
mv88e6xxx_serdes_power(struct mv88e6xxx_chip * chip,int port,bool on)3200 static int mv88e6xxx_serdes_power(struct mv88e6xxx_chip *chip, int port,
3201 				  bool on)
3202 {
3203 	int lane;
3204 	int err;
3205 
3206 	lane = mv88e6xxx_serdes_get_lane(chip, port);
3207 	if (lane < 0)
3208 		return 0;
3209 
3210 	if (on) {
3211 		err = mv88e6xxx_serdes_power_up(chip, port, lane);
3212 		if (err)
3213 			return err;
3214 
3215 		err = mv88e6xxx_serdes_irq_request(chip, port, lane);
3216 	} else {
3217 		err = mv88e6xxx_serdes_irq_free(chip, port, lane);
3218 		if (err)
3219 			return err;
3220 
3221 		err = mv88e6xxx_serdes_power_down(chip, port, lane);
3222 	}
3223 
3224 	return err;
3225 }
3226 
mv88e6xxx_set_egress_port(struct mv88e6xxx_chip * chip,enum mv88e6xxx_egress_direction direction,int port)3227 static int mv88e6xxx_set_egress_port(struct mv88e6xxx_chip *chip,
3228 				     enum mv88e6xxx_egress_direction direction,
3229 				     int port)
3230 {
3231 	int err;
3232 
3233 	if (!chip->info->ops->set_egress_port)
3234 		return -EOPNOTSUPP;
3235 
3236 	err = chip->info->ops->set_egress_port(chip, direction, port);
3237 	if (err)
3238 		return err;
3239 
3240 	if (direction == MV88E6XXX_EGRESS_DIR_INGRESS)
3241 		chip->ingress_dest_port = port;
3242 	else
3243 		chip->egress_dest_port = port;
3244 
3245 	return 0;
3246 }
3247 
mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip * chip,int port)3248 static int mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip *chip, int port)
3249 {
3250 	struct dsa_switch *ds = chip->ds;
3251 	int upstream_port;
3252 	int err;
3253 
3254 	upstream_port = dsa_upstream_port(ds, port);
3255 	if (chip->info->ops->port_set_upstream_port) {
3256 		err = chip->info->ops->port_set_upstream_port(chip, port,
3257 							      upstream_port);
3258 		if (err)
3259 			return err;
3260 	}
3261 
3262 	if (port == upstream_port) {
3263 		if (chip->info->ops->set_cpu_port) {
3264 			err = chip->info->ops->set_cpu_port(chip,
3265 							    upstream_port);
3266 			if (err)
3267 				return err;
3268 		}
3269 
3270 		err = mv88e6xxx_set_egress_port(chip,
3271 						MV88E6XXX_EGRESS_DIR_INGRESS,
3272 						upstream_port);
3273 		if (err && err != -EOPNOTSUPP)
3274 			return err;
3275 
3276 		err = mv88e6xxx_set_egress_port(chip,
3277 						MV88E6XXX_EGRESS_DIR_EGRESS,
3278 						upstream_port);
3279 		if (err && err != -EOPNOTSUPP)
3280 			return err;
3281 	}
3282 
3283 	return 0;
3284 }
3285 
mv88e6xxx_setup_port(struct mv88e6xxx_chip * chip,int port)3286 static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
3287 {
3288 	struct device_node *phy_handle = NULL;
3289 	struct dsa_switch *ds = chip->ds;
3290 	phy_interface_t mode;
3291 	struct dsa_port *dp;
3292 	int tx_amp, speed;
3293 	int err;
3294 	u16 reg;
3295 
3296 	chip->ports[port].chip = chip;
3297 	chip->ports[port].port = port;
3298 
3299 	dp = dsa_to_port(ds, port);
3300 
3301 	/* MAC Forcing register: don't force link, speed, duplex or flow control
3302 	 * state to any particular values on physical ports, but force the CPU
3303 	 * port and all DSA ports to their maximum bandwidth and full duplex.
3304 	 */
3305 	if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port)) {
3306 		struct phylink_config pl_config = {};
3307 		unsigned long caps;
3308 
3309 		chip->info->ops->phylink_get_caps(chip, port, &pl_config);
3310 
3311 		caps = pl_config.mac_capabilities;
3312 
3313 		if (chip->info->ops->port_max_speed_mode)
3314 			mode = chip->info->ops->port_max_speed_mode(port);
3315 		else
3316 			mode = PHY_INTERFACE_MODE_NA;
3317 
3318 		if (caps & MAC_10000FD)
3319 			speed = SPEED_10000;
3320 		else if (caps & MAC_5000FD)
3321 			speed = SPEED_5000;
3322 		else if (caps & MAC_2500FD)
3323 			speed = SPEED_2500;
3324 		else if (caps & MAC_1000)
3325 			speed = SPEED_1000;
3326 		else if (caps & MAC_100)
3327 			speed = SPEED_100;
3328 		else
3329 			speed = SPEED_10;
3330 
3331 		err = mv88e6xxx_port_setup_mac(chip, port, LINK_FORCED_UP,
3332 					       speed, DUPLEX_FULL,
3333 					       PAUSE_OFF, mode);
3334 	} else {
3335 		err = mv88e6xxx_port_setup_mac(chip, port, LINK_UNFORCED,
3336 					       SPEED_UNFORCED, DUPLEX_UNFORCED,
3337 					       PAUSE_ON,
3338 					       PHY_INTERFACE_MODE_NA);
3339 	}
3340 	if (err)
3341 		return err;
3342 
3343 	/* Port Control: disable Drop-on-Unlock, disable Drop-on-Lock,
3344 	 * disable Header mode, enable IGMP/MLD snooping, disable VLAN
3345 	 * tunneling, determine priority by looking at 802.1p and IP
3346 	 * priority fields (IP prio has precedence), and set STP state
3347 	 * to Forwarding.
3348 	 *
3349 	 * If this is the CPU link, use DSA or EDSA tagging depending
3350 	 * on which tagging mode was configured.
3351 	 *
3352 	 * If this is a link to another switch, use DSA tagging mode.
3353 	 *
3354 	 * If this is the upstream port for this switch, enable
3355 	 * forwarding of unknown unicasts and multicasts.
3356 	 */
3357 	reg = MV88E6XXX_PORT_CTL0_IGMP_MLD_SNOOP |
3358 		MV88E6185_PORT_CTL0_USE_TAG | MV88E6185_PORT_CTL0_USE_IP |
3359 		MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
3360 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
3361 	if (err)
3362 		return err;
3363 
3364 	err = mv88e6xxx_setup_port_mode(chip, port);
3365 	if (err)
3366 		return err;
3367 
3368 	err = mv88e6xxx_setup_egress_floods(chip, port);
3369 	if (err)
3370 		return err;
3371 
3372 	/* Port Control 2: don't force a good FCS, set the MTU size to
3373 	 * 10222 bytes, disable 802.1q tags checking, don't discard
3374 	 * tagged or untagged frames on this port, skip destination
3375 	 * address lookup on user ports, disable ARP mirroring and don't
3376 	 * send a copy of all transmitted/received frames on this port
3377 	 * to the CPU.
3378 	 */
3379 	err = mv88e6xxx_port_set_map_da(chip, port, !dsa_is_user_port(ds, port));
3380 	if (err)
3381 		return err;
3382 
3383 	err = mv88e6xxx_setup_upstream_port(chip, port);
3384 	if (err)
3385 		return err;
3386 
3387 	/* On chips that support it, set all downstream DSA ports'
3388 	 * VLAN policy to TRAP. In combination with loading
3389 	 * MV88E6XXX_VID_STANDALONE as a policy entry in the VTU, this
3390 	 * provides a better isolation barrier between standalone
3391 	 * ports, as the ATU is bypassed on any intermediate switches
3392 	 * between the incoming port and the CPU.
3393 	 */
3394 	if (dsa_is_downstream_port(ds, port) &&
3395 	    chip->info->ops->port_set_policy) {
3396 		err = chip->info->ops->port_set_policy(chip, port,
3397 						MV88E6XXX_POLICY_MAPPING_VTU,
3398 						MV88E6XXX_POLICY_ACTION_TRAP);
3399 		if (err)
3400 			return err;
3401 	}
3402 
3403 	/* User ports start out in standalone mode and 802.1Q is
3404 	 * therefore disabled. On DSA ports, all valid VIDs are always
3405 	 * loaded in the VTU - therefore, enable 802.1Q in order to take
3406 	 * advantage of VLAN policy on chips that supports it.
3407 	 */
3408 	err = mv88e6xxx_port_set_8021q_mode(chip, port,
3409 				dsa_is_user_port(ds, port) ?
3410 				MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED :
3411 				MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE);
3412 	if (err)
3413 		return err;
3414 
3415 	/* Bind MV88E6XXX_VID_STANDALONE to MV88E6XXX_FID_STANDALONE by
3416 	 * virtue of the fact that mv88e6xxx_atu_new() will pick it as
3417 	 * the first free FID. This will be used as the private PVID for
3418 	 * unbridged ports. Shared (DSA and CPU) ports must also be
3419 	 * members of this VID, in order to trap all frames assigned to
3420 	 * it to the CPU.
3421 	 */
3422 	err = mv88e6xxx_port_vlan_join(chip, port, MV88E6XXX_VID_STANDALONE,
3423 				       MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED,
3424 				       false);
3425 	if (err)
3426 		return err;
3427 
3428 	/* Associate MV88E6XXX_VID_BRIDGED with MV88E6XXX_FID_BRIDGED in the
3429 	 * ATU by virtue of the fact that mv88e6xxx_atu_new() will pick it as
3430 	 * the first free FID after MV88E6XXX_FID_STANDALONE. This will be used
3431 	 * as the private PVID on ports under a VLAN-unaware bridge.
3432 	 * Shared (DSA and CPU) ports must also be members of it, to translate
3433 	 * the VID from the DSA tag into MV88E6XXX_FID_BRIDGED, instead of
3434 	 * relying on their port default FID.
3435 	 */
3436 	err = mv88e6xxx_port_vlan_join(chip, port, MV88E6XXX_VID_BRIDGED,
3437 				       MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED,
3438 				       false);
3439 	if (err)
3440 		return err;
3441 
3442 	if (chip->info->ops->port_set_jumbo_size) {
3443 		err = chip->info->ops->port_set_jumbo_size(chip, port, 10218);
3444 		if (err)
3445 			return err;
3446 	}
3447 
3448 	/* Port Association Vector: disable automatic address learning
3449 	 * on all user ports since they start out in standalone
3450 	 * mode. When joining a bridge, learning will be configured to
3451 	 * match the bridge port settings. Enable learning on all
3452 	 * DSA/CPU ports. NOTE: FROM_CPU frames always bypass the
3453 	 * learning process.
3454 	 *
3455 	 * Disable HoldAt1, IntOnAgeOut, LockedPort, IgnoreWrongData,
3456 	 * and RefreshLocked. I.e. setup standard automatic learning.
3457 	 */
3458 	if (dsa_is_user_port(ds, port))
3459 		reg = 0;
3460 	else
3461 		reg = 1 << port;
3462 
3463 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
3464 				   reg);
3465 	if (err)
3466 		return err;
3467 
3468 	/* Egress rate control 2: disable egress rate control. */
3469 	err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL2,
3470 				   0x0000);
3471 	if (err)
3472 		return err;
3473 
3474 	if (chip->info->ops->port_pause_limit) {
3475 		err = chip->info->ops->port_pause_limit(chip, port, 0, 0);
3476 		if (err)
3477 			return err;
3478 	}
3479 
3480 	if (chip->info->ops->port_disable_learn_limit) {
3481 		err = chip->info->ops->port_disable_learn_limit(chip, port);
3482 		if (err)
3483 			return err;
3484 	}
3485 
3486 	if (chip->info->ops->port_disable_pri_override) {
3487 		err = chip->info->ops->port_disable_pri_override(chip, port);
3488 		if (err)
3489 			return err;
3490 	}
3491 
3492 	if (chip->info->ops->port_tag_remap) {
3493 		err = chip->info->ops->port_tag_remap(chip, port);
3494 		if (err)
3495 			return err;
3496 	}
3497 
3498 	if (chip->info->ops->port_egress_rate_limiting) {
3499 		err = chip->info->ops->port_egress_rate_limiting(chip, port);
3500 		if (err)
3501 			return err;
3502 	}
3503 
3504 	if (chip->info->ops->port_setup_message_port) {
3505 		err = chip->info->ops->port_setup_message_port(chip, port);
3506 		if (err)
3507 			return err;
3508 	}
3509 
3510 	if (chip->info->ops->serdes_set_tx_amplitude) {
3511 		if (dp)
3512 			phy_handle = of_parse_phandle(dp->dn, "phy-handle", 0);
3513 
3514 		if (phy_handle && !of_property_read_u32(phy_handle,
3515 							"tx-p2p-microvolt",
3516 							&tx_amp))
3517 			err = chip->info->ops->serdes_set_tx_amplitude(chip,
3518 								port, tx_amp);
3519 		if (phy_handle) {
3520 			of_node_put(phy_handle);
3521 			if (err)
3522 				return err;
3523 		}
3524 	}
3525 
3526 	/* Port based VLAN map: give each port the same default address
3527 	 * database, and allow bidirectional communication between the
3528 	 * CPU and DSA port(s), and the other ports.
3529 	 */
3530 	err = mv88e6xxx_port_set_fid(chip, port, MV88E6XXX_FID_STANDALONE);
3531 	if (err)
3532 		return err;
3533 
3534 	err = mv88e6xxx_port_vlan_map(chip, port);
3535 	if (err)
3536 		return err;
3537 
3538 	/* Default VLAN ID and priority: don't set a default VLAN
3539 	 * ID, and set the default packet priority to zero.
3540 	 */
3541 	return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN, 0);
3542 }
3543 
mv88e6xxx_get_max_mtu(struct dsa_switch * ds,int port)3544 static int mv88e6xxx_get_max_mtu(struct dsa_switch *ds, int port)
3545 {
3546 	struct mv88e6xxx_chip *chip = ds->priv;
3547 
3548 	if (chip->info->ops->port_set_jumbo_size)
3549 		return 10240 - VLAN_ETH_HLEN - EDSA_HLEN - ETH_FCS_LEN;
3550 	else if (chip->info->ops->set_max_frame_size)
3551 		return 1632 - VLAN_ETH_HLEN - EDSA_HLEN - ETH_FCS_LEN;
3552 	return 1522 - VLAN_ETH_HLEN - EDSA_HLEN - ETH_FCS_LEN;
3553 }
3554 
mv88e6xxx_change_mtu(struct dsa_switch * ds,int port,int new_mtu)3555 static int mv88e6xxx_change_mtu(struct dsa_switch *ds, int port, int new_mtu)
3556 {
3557 	struct mv88e6xxx_chip *chip = ds->priv;
3558 	int ret = 0;
3559 
3560 	if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
3561 		new_mtu += EDSA_HLEN;
3562 
3563 	mv88e6xxx_reg_lock(chip);
3564 	if (chip->info->ops->port_set_jumbo_size)
3565 		ret = chip->info->ops->port_set_jumbo_size(chip, port, new_mtu);
3566 	else if (chip->info->ops->set_max_frame_size)
3567 		ret = chip->info->ops->set_max_frame_size(chip, new_mtu);
3568 	else
3569 		if (new_mtu > 1522)
3570 			ret = -EINVAL;
3571 	mv88e6xxx_reg_unlock(chip);
3572 
3573 	return ret;
3574 }
3575 
mv88e6xxx_port_enable(struct dsa_switch * ds,int port,struct phy_device * phydev)3576 static int mv88e6xxx_port_enable(struct dsa_switch *ds, int port,
3577 				 struct phy_device *phydev)
3578 {
3579 	struct mv88e6xxx_chip *chip = ds->priv;
3580 	int err;
3581 
3582 	mv88e6xxx_reg_lock(chip);
3583 	err = mv88e6xxx_serdes_power(chip, port, true);
3584 	mv88e6xxx_reg_unlock(chip);
3585 
3586 	return err;
3587 }
3588 
mv88e6xxx_port_disable(struct dsa_switch * ds,int port)3589 static void mv88e6xxx_port_disable(struct dsa_switch *ds, int port)
3590 {
3591 	struct mv88e6xxx_chip *chip = ds->priv;
3592 
3593 	mv88e6xxx_reg_lock(chip);
3594 	if (mv88e6xxx_serdes_power(chip, port, false))
3595 		dev_err(chip->dev, "failed to power off SERDES\n");
3596 	mv88e6xxx_reg_unlock(chip);
3597 }
3598 
mv88e6xxx_set_ageing_time(struct dsa_switch * ds,unsigned int ageing_time)3599 static int mv88e6xxx_set_ageing_time(struct dsa_switch *ds,
3600 				     unsigned int ageing_time)
3601 {
3602 	struct mv88e6xxx_chip *chip = ds->priv;
3603 	int err;
3604 
3605 	mv88e6xxx_reg_lock(chip);
3606 	err = mv88e6xxx_g1_atu_set_age_time(chip, ageing_time);
3607 	mv88e6xxx_reg_unlock(chip);
3608 
3609 	return err;
3610 }
3611 
mv88e6xxx_stats_setup(struct mv88e6xxx_chip * chip)3612 static int mv88e6xxx_stats_setup(struct mv88e6xxx_chip *chip)
3613 {
3614 	int err;
3615 
3616 	/* Initialize the statistics unit */
3617 	if (chip->info->ops->stats_set_histogram) {
3618 		err = chip->info->ops->stats_set_histogram(chip);
3619 		if (err)
3620 			return err;
3621 	}
3622 
3623 	return mv88e6xxx_g1_stats_clear(chip);
3624 }
3625 
3626 /* Check if the errata has already been applied. */
mv88e6390_setup_errata_applied(struct mv88e6xxx_chip * chip)3627 static bool mv88e6390_setup_errata_applied(struct mv88e6xxx_chip *chip)
3628 {
3629 	int port;
3630 	int err;
3631 	u16 val;
3632 
3633 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3634 		err = mv88e6xxx_port_hidden_read(chip, 0xf, port, 0, &val);
3635 		if (err) {
3636 			dev_err(chip->dev,
3637 				"Error reading hidden register: %d\n", err);
3638 			return false;
3639 		}
3640 		if (val != 0x01c0)
3641 			return false;
3642 	}
3643 
3644 	return true;
3645 }
3646 
3647 /* The 6390 copper ports have an errata which require poking magic
3648  * values into undocumented hidden registers and then performing a
3649  * software reset.
3650  */
mv88e6390_setup_errata(struct mv88e6xxx_chip * chip)3651 static int mv88e6390_setup_errata(struct mv88e6xxx_chip *chip)
3652 {
3653 	int port;
3654 	int err;
3655 
3656 	if (mv88e6390_setup_errata_applied(chip))
3657 		return 0;
3658 
3659 	/* Set the ports into blocking mode */
3660 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3661 		err = mv88e6xxx_port_set_state(chip, port, BR_STATE_DISABLED);
3662 		if (err)
3663 			return err;
3664 	}
3665 
3666 	for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
3667 		err = mv88e6xxx_port_hidden_write(chip, 0xf, port, 0, 0x01c0);
3668 		if (err)
3669 			return err;
3670 	}
3671 
3672 	return mv88e6xxx_software_reset(chip);
3673 }
3674 
mv88e6xxx_teardown(struct dsa_switch * ds)3675 static void mv88e6xxx_teardown(struct dsa_switch *ds)
3676 {
3677 	mv88e6xxx_teardown_devlink_params(ds);
3678 	dsa_devlink_resources_unregister(ds);
3679 	mv88e6xxx_teardown_devlink_regions_global(ds);
3680 }
3681 
mv88e6xxx_setup(struct dsa_switch * ds)3682 static int mv88e6xxx_setup(struct dsa_switch *ds)
3683 {
3684 	struct mv88e6xxx_chip *chip = ds->priv;
3685 	u8 cmode;
3686 	int err;
3687 	int i;
3688 
3689 	chip->ds = ds;
3690 	ds->slave_mii_bus = mv88e6xxx_default_mdio_bus(chip);
3691 
3692 	/* Since virtual bridges are mapped in the PVT, the number we support
3693 	 * depends on the physical switch topology. We need to let DSA figure
3694 	 * that out and therefore we cannot set this at dsa_register_switch()
3695 	 * time.
3696 	 */
3697 	if (mv88e6xxx_has_pvt(chip))
3698 		ds->max_num_bridges = MV88E6XXX_MAX_PVT_SWITCHES -
3699 				      ds->dst->last_switch - 1;
3700 
3701 	mv88e6xxx_reg_lock(chip);
3702 
3703 	if (chip->info->ops->setup_errata) {
3704 		err = chip->info->ops->setup_errata(chip);
3705 		if (err)
3706 			goto unlock;
3707 	}
3708 
3709 	/* Cache the cmode of each port. */
3710 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
3711 		if (chip->info->ops->port_get_cmode) {
3712 			err = chip->info->ops->port_get_cmode(chip, i, &cmode);
3713 			if (err)
3714 				goto unlock;
3715 
3716 			chip->ports[i].cmode = cmode;
3717 		}
3718 	}
3719 
3720 	err = mv88e6xxx_vtu_setup(chip);
3721 	if (err)
3722 		goto unlock;
3723 
3724 	/* Must be called after mv88e6xxx_vtu_setup (which flushes the
3725 	 * VTU, thereby also flushing the STU).
3726 	 */
3727 	err = mv88e6xxx_stu_setup(chip);
3728 	if (err)
3729 		goto unlock;
3730 
3731 	/* Setup Switch Port Registers */
3732 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
3733 		if (dsa_is_unused_port(ds, i))
3734 			continue;
3735 
3736 		/* Prevent the use of an invalid port. */
3737 		if (mv88e6xxx_is_invalid_port(chip, i)) {
3738 			dev_err(chip->dev, "port %d is invalid\n", i);
3739 			err = -EINVAL;
3740 			goto unlock;
3741 		}
3742 
3743 		err = mv88e6xxx_setup_port(chip, i);
3744 		if (err)
3745 			goto unlock;
3746 	}
3747 
3748 	err = mv88e6xxx_irl_setup(chip);
3749 	if (err)
3750 		goto unlock;
3751 
3752 	err = mv88e6xxx_mac_setup(chip);
3753 	if (err)
3754 		goto unlock;
3755 
3756 	err = mv88e6xxx_phy_setup(chip);
3757 	if (err)
3758 		goto unlock;
3759 
3760 	err = mv88e6xxx_pvt_setup(chip);
3761 	if (err)
3762 		goto unlock;
3763 
3764 	err = mv88e6xxx_atu_setup(chip);
3765 	if (err)
3766 		goto unlock;
3767 
3768 	err = mv88e6xxx_broadcast_setup(chip, 0);
3769 	if (err)
3770 		goto unlock;
3771 
3772 	err = mv88e6xxx_pot_setup(chip);
3773 	if (err)
3774 		goto unlock;
3775 
3776 	err = mv88e6xxx_rmu_setup(chip);
3777 	if (err)
3778 		goto unlock;
3779 
3780 	err = mv88e6xxx_rsvd2cpu_setup(chip);
3781 	if (err)
3782 		goto unlock;
3783 
3784 	err = mv88e6xxx_trunk_setup(chip);
3785 	if (err)
3786 		goto unlock;
3787 
3788 	err = mv88e6xxx_devmap_setup(chip);
3789 	if (err)
3790 		goto unlock;
3791 
3792 	err = mv88e6xxx_pri_setup(chip);
3793 	if (err)
3794 		goto unlock;
3795 
3796 	/* Setup PTP Hardware Clock and timestamping */
3797 	if (chip->info->ptp_support) {
3798 		err = mv88e6xxx_ptp_setup(chip);
3799 		if (err)
3800 			goto unlock;
3801 
3802 		err = mv88e6xxx_hwtstamp_setup(chip);
3803 		if (err)
3804 			goto unlock;
3805 	}
3806 
3807 	err = mv88e6xxx_stats_setup(chip);
3808 	if (err)
3809 		goto unlock;
3810 
3811 unlock:
3812 	mv88e6xxx_reg_unlock(chip);
3813 
3814 	if (err)
3815 		return err;
3816 
3817 	/* Have to be called without holding the register lock, since
3818 	 * they take the devlink lock, and we later take the locks in
3819 	 * the reverse order when getting/setting parameters or
3820 	 * resource occupancy.
3821 	 */
3822 	err = mv88e6xxx_setup_devlink_resources(ds);
3823 	if (err)
3824 		return err;
3825 
3826 	err = mv88e6xxx_setup_devlink_params(ds);
3827 	if (err)
3828 		goto out_resources;
3829 
3830 	err = mv88e6xxx_setup_devlink_regions_global(ds);
3831 	if (err)
3832 		goto out_params;
3833 
3834 	return 0;
3835 
3836 out_params:
3837 	mv88e6xxx_teardown_devlink_params(ds);
3838 out_resources:
3839 	dsa_devlink_resources_unregister(ds);
3840 
3841 	return err;
3842 }
3843 
mv88e6xxx_port_setup(struct dsa_switch * ds,int port)3844 static int mv88e6xxx_port_setup(struct dsa_switch *ds, int port)
3845 {
3846 	return mv88e6xxx_setup_devlink_regions_port(ds, port);
3847 }
3848 
mv88e6xxx_port_teardown(struct dsa_switch * ds,int port)3849 static void mv88e6xxx_port_teardown(struct dsa_switch *ds, int port)
3850 {
3851 	mv88e6xxx_teardown_devlink_regions_port(ds, port);
3852 }
3853 
3854 /* prod_id for switch families which do not have a PHY model number */
3855 static const u16 family_prod_id_table[] = {
3856 	[MV88E6XXX_FAMILY_6341] = MV88E6XXX_PORT_SWITCH_ID_PROD_6341,
3857 	[MV88E6XXX_FAMILY_6390] = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
3858 	[MV88E6XXX_FAMILY_6393] = MV88E6XXX_PORT_SWITCH_ID_PROD_6393X,
3859 };
3860 
mv88e6xxx_mdio_read(struct mii_bus * bus,int phy,int reg)3861 static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
3862 {
3863 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3864 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3865 	u16 prod_id;
3866 	u16 val;
3867 	int err;
3868 
3869 	if (!chip->info->ops->phy_read)
3870 		return -EOPNOTSUPP;
3871 
3872 	mv88e6xxx_reg_lock(chip);
3873 	err = chip->info->ops->phy_read(chip, bus, phy, reg, &val);
3874 	mv88e6xxx_reg_unlock(chip);
3875 
3876 	/* Some internal PHYs don't have a model number. */
3877 	if (reg == MII_PHYSID2 && !(val & 0x3f0) &&
3878 	    chip->info->family < ARRAY_SIZE(family_prod_id_table)) {
3879 		prod_id = family_prod_id_table[chip->info->family];
3880 		if (prod_id)
3881 			val |= prod_id >> 4;
3882 	}
3883 
3884 	return err ? err : val;
3885 }
3886 
mv88e6xxx_mdio_write(struct mii_bus * bus,int phy,int reg,u16 val)3887 static int mv88e6xxx_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val)
3888 {
3889 	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
3890 	struct mv88e6xxx_chip *chip = mdio_bus->chip;
3891 	int err;
3892 
3893 	if (!chip->info->ops->phy_write)
3894 		return -EOPNOTSUPP;
3895 
3896 	mv88e6xxx_reg_lock(chip);
3897 	err = chip->info->ops->phy_write(chip, bus, phy, reg, val);
3898 	mv88e6xxx_reg_unlock(chip);
3899 
3900 	return err;
3901 }
3902 
mv88e6xxx_mdio_register(struct mv88e6xxx_chip * chip,struct device_node * np,bool external)3903 static int mv88e6xxx_mdio_register(struct mv88e6xxx_chip *chip,
3904 				   struct device_node *np,
3905 				   bool external)
3906 {
3907 	static int index;
3908 	struct mv88e6xxx_mdio_bus *mdio_bus;
3909 	struct mii_bus *bus;
3910 	int err;
3911 
3912 	if (external) {
3913 		mv88e6xxx_reg_lock(chip);
3914 		err = mv88e6xxx_g2_scratch_gpio_set_smi(chip, true);
3915 		mv88e6xxx_reg_unlock(chip);
3916 
3917 		if (err)
3918 			return err;
3919 	}
3920 
3921 	bus = mdiobus_alloc_size(sizeof(*mdio_bus));
3922 	if (!bus)
3923 		return -ENOMEM;
3924 
3925 	mdio_bus = bus->priv;
3926 	mdio_bus->bus = bus;
3927 	mdio_bus->chip = chip;
3928 	INIT_LIST_HEAD(&mdio_bus->list);
3929 	mdio_bus->external = external;
3930 
3931 	if (np) {
3932 		bus->name = np->full_name;
3933 		snprintf(bus->id, MII_BUS_ID_SIZE, "%pOF", np);
3934 	} else {
3935 		bus->name = "mv88e6xxx SMI";
3936 		snprintf(bus->id, MII_BUS_ID_SIZE, "mv88e6xxx-%d", index++);
3937 	}
3938 
3939 	bus->read = mv88e6xxx_mdio_read;
3940 	bus->write = mv88e6xxx_mdio_write;
3941 	bus->parent = chip->dev;
3942 
3943 	if (!external) {
3944 		err = mv88e6xxx_g2_irq_mdio_setup(chip, bus);
3945 		if (err)
3946 			goto out;
3947 	}
3948 
3949 	err = of_mdiobus_register(bus, np);
3950 	if (err) {
3951 		dev_err(chip->dev, "Cannot register MDIO bus (%d)\n", err);
3952 		mv88e6xxx_g2_irq_mdio_free(chip, bus);
3953 		goto out;
3954 	}
3955 
3956 	if (external)
3957 		list_add_tail(&mdio_bus->list, &chip->mdios);
3958 	else
3959 		list_add(&mdio_bus->list, &chip->mdios);
3960 
3961 	return 0;
3962 
3963 out:
3964 	mdiobus_free(bus);
3965 	return err;
3966 }
3967 
mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip * chip)3968 static void mv88e6xxx_mdios_unregister(struct mv88e6xxx_chip *chip)
3969 
3970 {
3971 	struct mv88e6xxx_mdio_bus *mdio_bus, *p;
3972 	struct mii_bus *bus;
3973 
3974 	list_for_each_entry_safe(mdio_bus, p, &chip->mdios, list) {
3975 		bus = mdio_bus->bus;
3976 
3977 		if (!mdio_bus->external)
3978 			mv88e6xxx_g2_irq_mdio_free(chip, bus);
3979 
3980 		mdiobus_unregister(bus);
3981 		mdiobus_free(bus);
3982 	}
3983 }
3984 
mv88e6xxx_mdios_register(struct mv88e6xxx_chip * chip,struct device_node * np)3985 static int mv88e6xxx_mdios_register(struct mv88e6xxx_chip *chip,
3986 				    struct device_node *np)
3987 {
3988 	struct device_node *child;
3989 	int err;
3990 
3991 	/* Always register one mdio bus for the internal/default mdio
3992 	 * bus. This maybe represented in the device tree, but is
3993 	 * optional.
3994 	 */
3995 	child = of_get_child_by_name(np, "mdio");
3996 	err = mv88e6xxx_mdio_register(chip, child, false);
3997 	of_node_put(child);
3998 	if (err)
3999 		return err;
4000 
4001 	/* Walk the device tree, and see if there are any other nodes
4002 	 * which say they are compatible with the external mdio
4003 	 * bus.
4004 	 */
4005 	for_each_available_child_of_node(np, child) {
4006 		if (of_device_is_compatible(
4007 			    child, "marvell,mv88e6xxx-mdio-external")) {
4008 			err = mv88e6xxx_mdio_register(chip, child, true);
4009 			if (err) {
4010 				mv88e6xxx_mdios_unregister(chip);
4011 				of_node_put(child);
4012 				return err;
4013 			}
4014 		}
4015 	}
4016 
4017 	return 0;
4018 }
4019 
mv88e6xxx_get_eeprom_len(struct dsa_switch * ds)4020 static int mv88e6xxx_get_eeprom_len(struct dsa_switch *ds)
4021 {
4022 	struct mv88e6xxx_chip *chip = ds->priv;
4023 
4024 	return chip->eeprom_len;
4025 }
4026 
mv88e6xxx_get_eeprom(struct dsa_switch * ds,struct ethtool_eeprom * eeprom,u8 * data)4027 static int mv88e6xxx_get_eeprom(struct dsa_switch *ds,
4028 				struct ethtool_eeprom *eeprom, u8 *data)
4029 {
4030 	struct mv88e6xxx_chip *chip = ds->priv;
4031 	int err;
4032 
4033 	if (!chip->info->ops->get_eeprom)
4034 		return -EOPNOTSUPP;
4035 
4036 	mv88e6xxx_reg_lock(chip);
4037 	err = chip->info->ops->get_eeprom(chip, eeprom, data);
4038 	mv88e6xxx_reg_unlock(chip);
4039 
4040 	if (err)
4041 		return err;
4042 
4043 	eeprom->magic = 0xc3ec4951;
4044 
4045 	return 0;
4046 }
4047 
mv88e6xxx_set_eeprom(struct dsa_switch * ds,struct ethtool_eeprom * eeprom,u8 * data)4048 static int mv88e6xxx_set_eeprom(struct dsa_switch *ds,
4049 				struct ethtool_eeprom *eeprom, u8 *data)
4050 {
4051 	struct mv88e6xxx_chip *chip = ds->priv;
4052 	int err;
4053 
4054 	if (!chip->info->ops->set_eeprom)
4055 		return -EOPNOTSUPP;
4056 
4057 	if (eeprom->magic != 0xc3ec4951)
4058 		return -EINVAL;
4059 
4060 	mv88e6xxx_reg_lock(chip);
4061 	err = chip->info->ops->set_eeprom(chip, eeprom, data);
4062 	mv88e6xxx_reg_unlock(chip);
4063 
4064 	return err;
4065 }
4066 
4067 static const struct mv88e6xxx_ops mv88e6085_ops = {
4068 	/* MV88E6XXX_FAMILY_6097 */
4069 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4070 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4071 	.irl_init_all = mv88e6352_g2_irl_init_all,
4072 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4073 	.phy_read = mv88e6185_phy_ppu_read,
4074 	.phy_write = mv88e6185_phy_ppu_write,
4075 	.port_set_link = mv88e6xxx_port_set_link,
4076 	.port_sync_link = mv88e6xxx_port_sync_link,
4077 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4078 	.port_tag_remap = mv88e6095_port_tag_remap,
4079 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4080 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4081 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4082 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4083 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4084 	.port_pause_limit = mv88e6097_port_pause_limit,
4085 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4086 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4087 	.port_get_cmode = mv88e6185_port_get_cmode,
4088 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4089 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4090 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4091 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4092 	.stats_get_strings = mv88e6095_stats_get_strings,
4093 	.stats_get_stats = mv88e6095_stats_get_stats,
4094 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4095 	.set_egress_port = mv88e6095_g1_set_egress_port,
4096 	.watchdog_ops = &mv88e6097_watchdog_ops,
4097 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4098 	.pot_clear = mv88e6xxx_g2_pot_clear,
4099 	.ppu_enable = mv88e6185_g1_ppu_enable,
4100 	.ppu_disable = mv88e6185_g1_ppu_disable,
4101 	.reset = mv88e6185_g1_reset,
4102 	.rmu_disable = mv88e6085_g1_rmu_disable,
4103 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4104 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4105 	.stu_getnext = mv88e6352_g1_stu_getnext,
4106 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4107 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4108 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4109 };
4110 
4111 static const struct mv88e6xxx_ops mv88e6095_ops = {
4112 	/* MV88E6XXX_FAMILY_6095 */
4113 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4114 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4115 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4116 	.phy_read = mv88e6185_phy_ppu_read,
4117 	.phy_write = mv88e6185_phy_ppu_write,
4118 	.port_set_link = mv88e6xxx_port_set_link,
4119 	.port_sync_link = mv88e6185_port_sync_link,
4120 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4121 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
4122 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
4123 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
4124 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
4125 	.port_get_cmode = mv88e6185_port_get_cmode,
4126 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4127 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4128 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4129 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4130 	.stats_get_strings = mv88e6095_stats_get_strings,
4131 	.stats_get_stats = mv88e6095_stats_get_stats,
4132 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
4133 	.serdes_power = mv88e6185_serdes_power,
4134 	.serdes_get_lane = mv88e6185_serdes_get_lane,
4135 	.serdes_pcs_get_state = mv88e6185_serdes_pcs_get_state,
4136 	.ppu_enable = mv88e6185_g1_ppu_enable,
4137 	.ppu_disable = mv88e6185_g1_ppu_disable,
4138 	.reset = mv88e6185_g1_reset,
4139 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4140 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4141 	.phylink_get_caps = mv88e6095_phylink_get_caps,
4142 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4143 };
4144 
4145 static const struct mv88e6xxx_ops mv88e6097_ops = {
4146 	/* MV88E6XXX_FAMILY_6097 */
4147 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4148 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4149 	.irl_init_all = mv88e6352_g2_irl_init_all,
4150 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4151 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4152 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4153 	.port_set_link = mv88e6xxx_port_set_link,
4154 	.port_sync_link = mv88e6185_port_sync_link,
4155 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4156 	.port_tag_remap = mv88e6095_port_tag_remap,
4157 	.port_set_policy = mv88e6352_port_set_policy,
4158 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4159 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4160 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4161 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4162 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
4163 	.port_pause_limit = mv88e6097_port_pause_limit,
4164 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4165 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4166 	.port_get_cmode = mv88e6185_port_get_cmode,
4167 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4168 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4169 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4170 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4171 	.stats_get_strings = mv88e6095_stats_get_strings,
4172 	.stats_get_stats = mv88e6095_stats_get_stats,
4173 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4174 	.set_egress_port = mv88e6095_g1_set_egress_port,
4175 	.watchdog_ops = &mv88e6097_watchdog_ops,
4176 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4177 	.serdes_power = mv88e6185_serdes_power,
4178 	.serdes_get_lane = mv88e6185_serdes_get_lane,
4179 	.serdes_pcs_get_state = mv88e6185_serdes_pcs_get_state,
4180 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4181 	.serdes_irq_enable = mv88e6097_serdes_irq_enable,
4182 	.serdes_irq_status = mv88e6097_serdes_irq_status,
4183 	.pot_clear = mv88e6xxx_g2_pot_clear,
4184 	.reset = mv88e6352_g1_reset,
4185 	.rmu_disable = mv88e6085_g1_rmu_disable,
4186 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4187 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4188 	.phylink_get_caps = mv88e6095_phylink_get_caps,
4189 	.stu_getnext = mv88e6352_g1_stu_getnext,
4190 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4191 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4192 };
4193 
4194 static const struct mv88e6xxx_ops mv88e6123_ops = {
4195 	/* MV88E6XXX_FAMILY_6165 */
4196 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4197 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4198 	.irl_init_all = mv88e6352_g2_irl_init_all,
4199 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4200 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4201 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4202 	.port_set_link = mv88e6xxx_port_set_link,
4203 	.port_sync_link = mv88e6xxx_port_sync_link,
4204 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4205 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
4206 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4207 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4208 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4209 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4210 	.port_get_cmode = mv88e6185_port_get_cmode,
4211 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4212 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4213 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4214 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4215 	.stats_get_strings = mv88e6095_stats_get_strings,
4216 	.stats_get_stats = mv88e6095_stats_get_stats,
4217 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4218 	.set_egress_port = mv88e6095_g1_set_egress_port,
4219 	.watchdog_ops = &mv88e6097_watchdog_ops,
4220 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4221 	.pot_clear = mv88e6xxx_g2_pot_clear,
4222 	.reset = mv88e6352_g1_reset,
4223 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4224 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4225 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4226 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4227 	.stu_getnext = mv88e6352_g1_stu_getnext,
4228 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4229 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4230 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4231 };
4232 
4233 static const struct mv88e6xxx_ops mv88e6131_ops = {
4234 	/* MV88E6XXX_FAMILY_6185 */
4235 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4236 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4237 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4238 	.phy_read = mv88e6185_phy_ppu_read,
4239 	.phy_write = mv88e6185_phy_ppu_write,
4240 	.port_set_link = mv88e6xxx_port_set_link,
4241 	.port_sync_link = mv88e6xxx_port_sync_link,
4242 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4243 	.port_tag_remap = mv88e6095_port_tag_remap,
4244 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4245 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
4246 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
4247 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4248 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
4249 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4250 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4251 	.port_pause_limit = mv88e6097_port_pause_limit,
4252 	.port_set_pause = mv88e6185_port_set_pause,
4253 	.port_get_cmode = mv88e6185_port_get_cmode,
4254 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4255 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4256 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4257 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4258 	.stats_get_strings = mv88e6095_stats_get_strings,
4259 	.stats_get_stats = mv88e6095_stats_get_stats,
4260 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4261 	.set_egress_port = mv88e6095_g1_set_egress_port,
4262 	.watchdog_ops = &mv88e6097_watchdog_ops,
4263 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
4264 	.ppu_enable = mv88e6185_g1_ppu_enable,
4265 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
4266 	.ppu_disable = mv88e6185_g1_ppu_disable,
4267 	.reset = mv88e6185_g1_reset,
4268 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4269 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4270 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4271 };
4272 
4273 static const struct mv88e6xxx_ops mv88e6141_ops = {
4274 	/* MV88E6XXX_FAMILY_6341 */
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 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4279 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4280 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4281 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4282 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4283 	.port_set_link = mv88e6xxx_port_set_link,
4284 	.port_sync_link = mv88e6xxx_port_sync_link,
4285 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4286 	.port_set_speed_duplex = mv88e6341_port_set_speed_duplex,
4287 	.port_max_speed_mode = mv88e6341_port_max_speed_mode,
4288 	.port_tag_remap = mv88e6095_port_tag_remap,
4289 	.port_set_policy = mv88e6352_port_set_policy,
4290 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4291 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4292 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4293 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4294 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4295 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4296 	.port_pause_limit = mv88e6097_port_pause_limit,
4297 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4298 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4299 	.port_get_cmode = mv88e6352_port_get_cmode,
4300 	.port_set_cmode = mv88e6341_port_set_cmode,
4301 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4302 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4303 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4304 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4305 	.stats_get_strings = mv88e6320_stats_get_strings,
4306 	.stats_get_stats = mv88e6390_stats_get_stats,
4307 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4308 	.set_egress_port = mv88e6390_g1_set_egress_port,
4309 	.watchdog_ops = &mv88e6390_watchdog_ops,
4310 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
4311 	.pot_clear = mv88e6xxx_g2_pot_clear,
4312 	.reset = mv88e6352_g1_reset,
4313 	.rmu_disable = mv88e6390_g1_rmu_disable,
4314 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4315 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4316 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4317 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4318 	.stu_getnext = mv88e6352_g1_stu_getnext,
4319 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4320 	.serdes_power = mv88e6390_serdes_power,
4321 	.serdes_get_lane = mv88e6341_serdes_get_lane,
4322 	/* Check status register pause & lpa register */
4323 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
4324 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
4325 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
4326 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
4327 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4328 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
4329 	.serdes_irq_status = mv88e6390_serdes_irq_status,
4330 	.gpio_ops = &mv88e6352_gpio_ops,
4331 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
4332 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4333 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4334 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4335 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4336 	.phylink_get_caps = mv88e6341_phylink_get_caps,
4337 };
4338 
4339 static const struct mv88e6xxx_ops mv88e6161_ops = {
4340 	/* MV88E6XXX_FAMILY_6165 */
4341 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4342 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4343 	.irl_init_all = mv88e6352_g2_irl_init_all,
4344 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4345 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4346 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4347 	.port_set_link = mv88e6xxx_port_set_link,
4348 	.port_sync_link = mv88e6xxx_port_sync_link,
4349 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4350 	.port_tag_remap = mv88e6095_port_tag_remap,
4351 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4352 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4353 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4354 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4355 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4356 	.port_pause_limit = mv88e6097_port_pause_limit,
4357 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4358 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4359 	.port_get_cmode = mv88e6185_port_get_cmode,
4360 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4361 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4362 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4363 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4364 	.stats_get_strings = mv88e6095_stats_get_strings,
4365 	.stats_get_stats = mv88e6095_stats_get_stats,
4366 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4367 	.set_egress_port = mv88e6095_g1_set_egress_port,
4368 	.watchdog_ops = &mv88e6097_watchdog_ops,
4369 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4370 	.pot_clear = mv88e6xxx_g2_pot_clear,
4371 	.reset = mv88e6352_g1_reset,
4372 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4373 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4374 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4375 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4376 	.stu_getnext = mv88e6352_g1_stu_getnext,
4377 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4378 	.avb_ops = &mv88e6165_avb_ops,
4379 	.ptp_ops = &mv88e6165_ptp_ops,
4380 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4381 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4382 };
4383 
4384 static const struct mv88e6xxx_ops mv88e6165_ops = {
4385 	/* MV88E6XXX_FAMILY_6165 */
4386 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4387 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4388 	.irl_init_all = mv88e6352_g2_irl_init_all,
4389 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4390 	.phy_read = mv88e6165_phy_read,
4391 	.phy_write = mv88e6165_phy_write,
4392 	.port_set_link = mv88e6xxx_port_set_link,
4393 	.port_sync_link = mv88e6xxx_port_sync_link,
4394 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4395 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4396 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4397 	.port_get_cmode = mv88e6185_port_get_cmode,
4398 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4399 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4400 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4401 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4402 	.stats_get_strings = mv88e6095_stats_get_strings,
4403 	.stats_get_stats = mv88e6095_stats_get_stats,
4404 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4405 	.set_egress_port = mv88e6095_g1_set_egress_port,
4406 	.watchdog_ops = &mv88e6097_watchdog_ops,
4407 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4408 	.pot_clear = mv88e6xxx_g2_pot_clear,
4409 	.reset = mv88e6352_g1_reset,
4410 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4411 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4412 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4413 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4414 	.stu_getnext = mv88e6352_g1_stu_getnext,
4415 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4416 	.avb_ops = &mv88e6165_avb_ops,
4417 	.ptp_ops = &mv88e6165_ptp_ops,
4418 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4419 };
4420 
4421 static const struct mv88e6xxx_ops mv88e6171_ops = {
4422 	/* MV88E6XXX_FAMILY_6351 */
4423 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4424 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4425 	.irl_init_all = mv88e6352_g2_irl_init_all,
4426 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4427 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4428 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4429 	.port_set_link = mv88e6xxx_port_set_link,
4430 	.port_sync_link = mv88e6xxx_port_sync_link,
4431 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4432 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4433 	.port_tag_remap = mv88e6095_port_tag_remap,
4434 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4435 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4436 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4437 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4438 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4439 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4440 	.port_pause_limit = mv88e6097_port_pause_limit,
4441 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4442 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4443 	.port_get_cmode = mv88e6352_port_get_cmode,
4444 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4445 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4446 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4447 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4448 	.stats_get_strings = mv88e6095_stats_get_strings,
4449 	.stats_get_stats = mv88e6095_stats_get_stats,
4450 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4451 	.set_egress_port = mv88e6095_g1_set_egress_port,
4452 	.watchdog_ops = &mv88e6097_watchdog_ops,
4453 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4454 	.pot_clear = mv88e6xxx_g2_pot_clear,
4455 	.reset = mv88e6352_g1_reset,
4456 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4457 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4458 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4459 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4460 	.stu_getnext = mv88e6352_g1_stu_getnext,
4461 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4462 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4463 };
4464 
4465 static const struct mv88e6xxx_ops mv88e6172_ops = {
4466 	/* MV88E6XXX_FAMILY_6352 */
4467 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4468 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4469 	.irl_init_all = mv88e6352_g2_irl_init_all,
4470 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4471 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4472 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4473 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4474 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4475 	.port_set_link = mv88e6xxx_port_set_link,
4476 	.port_sync_link = mv88e6xxx_port_sync_link,
4477 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4478 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4479 	.port_tag_remap = mv88e6095_port_tag_remap,
4480 	.port_set_policy = mv88e6352_port_set_policy,
4481 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4482 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4483 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4484 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4485 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4486 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4487 	.port_pause_limit = mv88e6097_port_pause_limit,
4488 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4489 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4490 	.port_get_cmode = mv88e6352_port_get_cmode,
4491 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4492 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4493 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4494 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4495 	.stats_get_strings = mv88e6095_stats_get_strings,
4496 	.stats_get_stats = mv88e6095_stats_get_stats,
4497 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4498 	.set_egress_port = mv88e6095_g1_set_egress_port,
4499 	.watchdog_ops = &mv88e6097_watchdog_ops,
4500 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4501 	.pot_clear = mv88e6xxx_g2_pot_clear,
4502 	.reset = mv88e6352_g1_reset,
4503 	.rmu_disable = mv88e6352_g1_rmu_disable,
4504 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4505 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4506 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4507 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4508 	.stu_getnext = mv88e6352_g1_stu_getnext,
4509 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4510 	.serdes_get_lane = mv88e6352_serdes_get_lane,
4511 	.serdes_pcs_get_state = mv88e6352_serdes_pcs_get_state,
4512 	.serdes_pcs_config = mv88e6352_serdes_pcs_config,
4513 	.serdes_pcs_an_restart = mv88e6352_serdes_pcs_an_restart,
4514 	.serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
4515 	.serdes_power = mv88e6352_serdes_power,
4516 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
4517 	.serdes_get_regs = mv88e6352_serdes_get_regs,
4518 	.gpio_ops = &mv88e6352_gpio_ops,
4519 	.phylink_get_caps = mv88e6352_phylink_get_caps,
4520 };
4521 
4522 static const struct mv88e6xxx_ops mv88e6175_ops = {
4523 	/* MV88E6XXX_FAMILY_6351 */
4524 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4525 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4526 	.irl_init_all = mv88e6352_g2_irl_init_all,
4527 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4528 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4529 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4530 	.port_set_link = mv88e6xxx_port_set_link,
4531 	.port_sync_link = mv88e6xxx_port_sync_link,
4532 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4533 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4534 	.port_tag_remap = mv88e6095_port_tag_remap,
4535 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4536 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4537 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4538 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4539 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4540 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4541 	.port_pause_limit = mv88e6097_port_pause_limit,
4542 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4543 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4544 	.port_get_cmode = mv88e6352_port_get_cmode,
4545 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4546 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4547 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4548 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4549 	.stats_get_strings = mv88e6095_stats_get_strings,
4550 	.stats_get_stats = mv88e6095_stats_get_stats,
4551 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4552 	.set_egress_port = mv88e6095_g1_set_egress_port,
4553 	.watchdog_ops = &mv88e6097_watchdog_ops,
4554 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4555 	.pot_clear = mv88e6xxx_g2_pot_clear,
4556 	.reset = mv88e6352_g1_reset,
4557 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4558 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4559 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4560 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4561 	.stu_getnext = mv88e6352_g1_stu_getnext,
4562 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4563 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4564 };
4565 
4566 static const struct mv88e6xxx_ops mv88e6176_ops = {
4567 	/* MV88E6XXX_FAMILY_6352 */
4568 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4569 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4570 	.irl_init_all = mv88e6352_g2_irl_init_all,
4571 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4572 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4573 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4574 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4575 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4576 	.port_set_link = mv88e6xxx_port_set_link,
4577 	.port_sync_link = mv88e6xxx_port_sync_link,
4578 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4579 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4580 	.port_tag_remap = mv88e6095_port_tag_remap,
4581 	.port_set_policy = mv88e6352_port_set_policy,
4582 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4583 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4584 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4585 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4586 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4587 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4588 	.port_pause_limit = mv88e6097_port_pause_limit,
4589 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4590 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4591 	.port_get_cmode = mv88e6352_port_get_cmode,
4592 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4593 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4594 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4595 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4596 	.stats_get_strings = mv88e6095_stats_get_strings,
4597 	.stats_get_stats = mv88e6095_stats_get_stats,
4598 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4599 	.set_egress_port = mv88e6095_g1_set_egress_port,
4600 	.watchdog_ops = &mv88e6097_watchdog_ops,
4601 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4602 	.pot_clear = mv88e6xxx_g2_pot_clear,
4603 	.reset = mv88e6352_g1_reset,
4604 	.rmu_disable = mv88e6352_g1_rmu_disable,
4605 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4606 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4607 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4608 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4609 	.stu_getnext = mv88e6352_g1_stu_getnext,
4610 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4611 	.serdes_get_lane = mv88e6352_serdes_get_lane,
4612 	.serdes_pcs_get_state = mv88e6352_serdes_pcs_get_state,
4613 	.serdes_pcs_config = mv88e6352_serdes_pcs_config,
4614 	.serdes_pcs_an_restart = mv88e6352_serdes_pcs_an_restart,
4615 	.serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
4616 	.serdes_power = mv88e6352_serdes_power,
4617 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
4618 	.serdes_irq_enable = mv88e6352_serdes_irq_enable,
4619 	.serdes_irq_status = mv88e6352_serdes_irq_status,
4620 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
4621 	.serdes_get_regs = mv88e6352_serdes_get_regs,
4622 	.serdes_set_tx_amplitude = mv88e6352_serdes_set_tx_amplitude,
4623 	.gpio_ops = &mv88e6352_gpio_ops,
4624 	.phylink_get_caps = mv88e6352_phylink_get_caps,
4625 };
4626 
4627 static const struct mv88e6xxx_ops mv88e6185_ops = {
4628 	/* MV88E6XXX_FAMILY_6185 */
4629 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4630 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4631 	.set_switch_mac = mv88e6xxx_g1_set_switch_mac,
4632 	.phy_read = mv88e6185_phy_ppu_read,
4633 	.phy_write = mv88e6185_phy_ppu_write,
4634 	.port_set_link = mv88e6xxx_port_set_link,
4635 	.port_sync_link = mv88e6185_port_sync_link,
4636 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
4637 	.port_set_frame_mode = mv88e6085_port_set_frame_mode,
4638 	.port_set_ucast_flood = mv88e6185_port_set_forward_unknown,
4639 	.port_set_mcast_flood = mv88e6185_port_set_default_forward,
4640 	.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
4641 	.port_set_upstream_port = mv88e6095_port_set_upstream_port,
4642 	.port_set_pause = mv88e6185_port_set_pause,
4643 	.port_get_cmode = mv88e6185_port_get_cmode,
4644 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4645 	.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
4646 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4647 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4648 	.stats_get_strings = mv88e6095_stats_get_strings,
4649 	.stats_get_stats = mv88e6095_stats_get_stats,
4650 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4651 	.set_egress_port = mv88e6095_g1_set_egress_port,
4652 	.watchdog_ops = &mv88e6097_watchdog_ops,
4653 	.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
4654 	.serdes_power = mv88e6185_serdes_power,
4655 	.serdes_get_lane = mv88e6185_serdes_get_lane,
4656 	.serdes_pcs_get_state = mv88e6185_serdes_pcs_get_state,
4657 	.set_cascade_port = mv88e6185_g1_set_cascade_port,
4658 	.ppu_enable = mv88e6185_g1_ppu_enable,
4659 	.ppu_disable = mv88e6185_g1_ppu_disable,
4660 	.reset = mv88e6185_g1_reset,
4661 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4662 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4663 	.phylink_get_caps = mv88e6185_phylink_get_caps,
4664 	.set_max_frame_size = mv88e6185_g1_set_max_frame_size,
4665 };
4666 
4667 static const struct mv88e6xxx_ops mv88e6190_ops = {
4668 	/* MV88E6XXX_FAMILY_6390 */
4669 	.setup_errata = mv88e6390_setup_errata,
4670 	.irl_init_all = mv88e6390_g2_irl_init_all,
4671 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4672 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4673 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4674 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4675 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4676 	.port_set_link = mv88e6xxx_port_set_link,
4677 	.port_sync_link = mv88e6xxx_port_sync_link,
4678 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4679 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
4680 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4681 	.port_tag_remap = mv88e6390_port_tag_remap,
4682 	.port_set_policy = mv88e6352_port_set_policy,
4683 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4684 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4685 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4686 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4687 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4688 	.port_pause_limit = mv88e6390_port_pause_limit,
4689 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4690 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4691 	.port_get_cmode = mv88e6352_port_get_cmode,
4692 	.port_set_cmode = mv88e6390_port_set_cmode,
4693 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4694 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4695 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4696 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4697 	.stats_get_strings = mv88e6320_stats_get_strings,
4698 	.stats_get_stats = mv88e6390_stats_get_stats,
4699 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4700 	.set_egress_port = mv88e6390_g1_set_egress_port,
4701 	.watchdog_ops = &mv88e6390_watchdog_ops,
4702 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4703 	.pot_clear = mv88e6xxx_g2_pot_clear,
4704 	.reset = mv88e6352_g1_reset,
4705 	.rmu_disable = mv88e6390_g1_rmu_disable,
4706 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4707 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4708 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4709 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4710 	.stu_getnext = mv88e6390_g1_stu_getnext,
4711 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
4712 	.serdes_power = mv88e6390_serdes_power,
4713 	.serdes_get_lane = mv88e6390_serdes_get_lane,
4714 	/* Check status register pause & lpa register */
4715 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
4716 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
4717 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
4718 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
4719 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4720 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
4721 	.serdes_irq_status = mv88e6390_serdes_irq_status,
4722 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4723 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4724 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4725 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4726 	.gpio_ops = &mv88e6352_gpio_ops,
4727 	.phylink_get_caps = mv88e6390_phylink_get_caps,
4728 };
4729 
4730 static const struct mv88e6xxx_ops mv88e6190x_ops = {
4731 	/* MV88E6XXX_FAMILY_6390 */
4732 	.setup_errata = mv88e6390_setup_errata,
4733 	.irl_init_all = mv88e6390_g2_irl_init_all,
4734 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4735 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4736 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4737 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4738 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4739 	.port_set_link = mv88e6xxx_port_set_link,
4740 	.port_sync_link = mv88e6xxx_port_sync_link,
4741 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4742 	.port_set_speed_duplex = mv88e6390x_port_set_speed_duplex,
4743 	.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
4744 	.port_tag_remap = mv88e6390_port_tag_remap,
4745 	.port_set_policy = mv88e6352_port_set_policy,
4746 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4747 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4748 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4749 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4750 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4751 	.port_pause_limit = mv88e6390_port_pause_limit,
4752 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4753 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4754 	.port_get_cmode = mv88e6352_port_get_cmode,
4755 	.port_set_cmode = mv88e6390x_port_set_cmode,
4756 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4757 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4758 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4759 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4760 	.stats_get_strings = mv88e6320_stats_get_strings,
4761 	.stats_get_stats = mv88e6390_stats_get_stats,
4762 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4763 	.set_egress_port = mv88e6390_g1_set_egress_port,
4764 	.watchdog_ops = &mv88e6390_watchdog_ops,
4765 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4766 	.pot_clear = mv88e6xxx_g2_pot_clear,
4767 	.reset = mv88e6352_g1_reset,
4768 	.rmu_disable = mv88e6390_g1_rmu_disable,
4769 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4770 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4771 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4772 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4773 	.stu_getnext = mv88e6390_g1_stu_getnext,
4774 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
4775 	.serdes_power = mv88e6390_serdes_power,
4776 	.serdes_get_lane = mv88e6390x_serdes_get_lane,
4777 	/* Check status register pause & lpa register */
4778 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
4779 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
4780 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
4781 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
4782 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4783 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
4784 	.serdes_irq_status = mv88e6390_serdes_irq_status,
4785 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4786 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4787 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4788 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4789 	.gpio_ops = &mv88e6352_gpio_ops,
4790 	.phylink_get_caps = mv88e6390x_phylink_get_caps,
4791 };
4792 
4793 static const struct mv88e6xxx_ops mv88e6191_ops = {
4794 	/* MV88E6XXX_FAMILY_6390 */
4795 	.setup_errata = mv88e6390_setup_errata,
4796 	.irl_init_all = mv88e6390_g2_irl_init_all,
4797 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4798 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4799 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4800 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4801 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4802 	.port_set_link = mv88e6xxx_port_set_link,
4803 	.port_sync_link = mv88e6xxx_port_sync_link,
4804 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4805 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
4806 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4807 	.port_tag_remap = mv88e6390_port_tag_remap,
4808 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4809 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4810 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4811 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4812 	.port_pause_limit = mv88e6390_port_pause_limit,
4813 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4814 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4815 	.port_get_cmode = mv88e6352_port_get_cmode,
4816 	.port_set_cmode = mv88e6390_port_set_cmode,
4817 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4818 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4819 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4820 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4821 	.stats_get_strings = mv88e6320_stats_get_strings,
4822 	.stats_get_stats = mv88e6390_stats_get_stats,
4823 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4824 	.set_egress_port = mv88e6390_g1_set_egress_port,
4825 	.watchdog_ops = &mv88e6390_watchdog_ops,
4826 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4827 	.pot_clear = mv88e6xxx_g2_pot_clear,
4828 	.reset = mv88e6352_g1_reset,
4829 	.rmu_disable = mv88e6390_g1_rmu_disable,
4830 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4831 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4832 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4833 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
4834 	.stu_getnext = mv88e6390_g1_stu_getnext,
4835 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
4836 	.serdes_power = mv88e6390_serdes_power,
4837 	.serdes_get_lane = mv88e6390_serdes_get_lane,
4838 	/* Check status register pause & lpa register */
4839 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
4840 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
4841 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
4842 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
4843 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
4844 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
4845 	.serdes_irq_status = mv88e6390_serdes_irq_status,
4846 	.serdes_get_strings = mv88e6390_serdes_get_strings,
4847 	.serdes_get_stats = mv88e6390_serdes_get_stats,
4848 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
4849 	.serdes_get_regs = mv88e6390_serdes_get_regs,
4850 	.avb_ops = &mv88e6390_avb_ops,
4851 	.ptp_ops = &mv88e6352_ptp_ops,
4852 	.phylink_get_caps = mv88e6390_phylink_get_caps,
4853 };
4854 
4855 static const struct mv88e6xxx_ops mv88e6240_ops = {
4856 	/* MV88E6XXX_FAMILY_6352 */
4857 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
4858 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4859 	.irl_init_all = mv88e6352_g2_irl_init_all,
4860 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4861 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4862 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4863 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4864 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4865 	.port_set_link = mv88e6xxx_port_set_link,
4866 	.port_sync_link = mv88e6xxx_port_sync_link,
4867 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4868 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
4869 	.port_tag_remap = mv88e6095_port_tag_remap,
4870 	.port_set_policy = mv88e6352_port_set_policy,
4871 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4872 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4873 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4874 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4875 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
4876 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4877 	.port_pause_limit = mv88e6097_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_setup_message_port = mv88e6xxx_setup_message_port,
4882 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4883 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4884 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
4885 	.stats_get_strings = mv88e6095_stats_get_strings,
4886 	.stats_get_stats = mv88e6095_stats_get_stats,
4887 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4888 	.set_egress_port = mv88e6095_g1_set_egress_port,
4889 	.watchdog_ops = &mv88e6097_watchdog_ops,
4890 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4891 	.pot_clear = mv88e6xxx_g2_pot_clear,
4892 	.reset = mv88e6352_g1_reset,
4893 	.rmu_disable = mv88e6352_g1_rmu_disable,
4894 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4895 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4896 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
4897 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
4898 	.stu_getnext = mv88e6352_g1_stu_getnext,
4899 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
4900 	.serdes_get_lane = mv88e6352_serdes_get_lane,
4901 	.serdes_pcs_get_state = mv88e6352_serdes_pcs_get_state,
4902 	.serdes_pcs_config = mv88e6352_serdes_pcs_config,
4903 	.serdes_pcs_an_restart = mv88e6352_serdes_pcs_an_restart,
4904 	.serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
4905 	.serdes_power = mv88e6352_serdes_power,
4906 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
4907 	.serdes_irq_enable = mv88e6352_serdes_irq_enable,
4908 	.serdes_irq_status = mv88e6352_serdes_irq_status,
4909 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
4910 	.serdes_get_regs = mv88e6352_serdes_get_regs,
4911 	.serdes_set_tx_amplitude = mv88e6352_serdes_set_tx_amplitude,
4912 	.gpio_ops = &mv88e6352_gpio_ops,
4913 	.avb_ops = &mv88e6352_avb_ops,
4914 	.ptp_ops = &mv88e6352_ptp_ops,
4915 	.phylink_get_caps = mv88e6352_phylink_get_caps,
4916 };
4917 
4918 static const struct mv88e6xxx_ops mv88e6250_ops = {
4919 	/* MV88E6XXX_FAMILY_6250 */
4920 	.ieee_pri_map = mv88e6250_g1_ieee_pri_map,
4921 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
4922 	.irl_init_all = mv88e6352_g2_irl_init_all,
4923 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
4924 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
4925 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4926 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4927 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4928 	.port_set_link = mv88e6xxx_port_set_link,
4929 	.port_sync_link = mv88e6xxx_port_sync_link,
4930 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
4931 	.port_set_speed_duplex = mv88e6250_port_set_speed_duplex,
4932 	.port_tag_remap = mv88e6095_port_tag_remap,
4933 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4934 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4935 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4936 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4937 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
4938 	.port_pause_limit = mv88e6097_port_pause_limit,
4939 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4940 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
4941 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
4942 	.stats_get_sset_count = mv88e6250_stats_get_sset_count,
4943 	.stats_get_strings = mv88e6250_stats_get_strings,
4944 	.stats_get_stats = mv88e6250_stats_get_stats,
4945 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
4946 	.set_egress_port = mv88e6095_g1_set_egress_port,
4947 	.watchdog_ops = &mv88e6250_watchdog_ops,
4948 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
4949 	.pot_clear = mv88e6xxx_g2_pot_clear,
4950 	.reset = mv88e6250_g1_reset,
4951 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
4952 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
4953 	.avb_ops = &mv88e6352_avb_ops,
4954 	.ptp_ops = &mv88e6250_ptp_ops,
4955 	.phylink_get_caps = mv88e6250_phylink_get_caps,
4956 };
4957 
4958 static const struct mv88e6xxx_ops mv88e6290_ops = {
4959 	/* MV88E6XXX_FAMILY_6390 */
4960 	.setup_errata = mv88e6390_setup_errata,
4961 	.irl_init_all = mv88e6390_g2_irl_init_all,
4962 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
4963 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
4964 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
4965 	.phy_read = mv88e6xxx_g2_smi_phy_read,
4966 	.phy_write = mv88e6xxx_g2_smi_phy_write,
4967 	.port_set_link = mv88e6xxx_port_set_link,
4968 	.port_sync_link = mv88e6xxx_port_sync_link,
4969 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
4970 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
4971 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
4972 	.port_tag_remap = mv88e6390_port_tag_remap,
4973 	.port_set_policy = mv88e6352_port_set_policy,
4974 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
4975 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
4976 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
4977 	.port_set_ether_type = mv88e6351_port_set_ether_type,
4978 	.port_pause_limit = mv88e6390_port_pause_limit,
4979 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
4980 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
4981 	.port_get_cmode = mv88e6352_port_get_cmode,
4982 	.port_set_cmode = mv88e6390_port_set_cmode,
4983 	.port_setup_message_port = mv88e6xxx_setup_message_port,
4984 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
4985 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
4986 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
4987 	.stats_get_strings = mv88e6320_stats_get_strings,
4988 	.stats_get_stats = mv88e6390_stats_get_stats,
4989 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
4990 	.set_egress_port = mv88e6390_g1_set_egress_port,
4991 	.watchdog_ops = &mv88e6390_watchdog_ops,
4992 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
4993 	.pot_clear = mv88e6xxx_g2_pot_clear,
4994 	.reset = mv88e6352_g1_reset,
4995 	.rmu_disable = mv88e6390_g1_rmu_disable,
4996 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
4997 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
4998 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
4999 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5000 	.stu_getnext = mv88e6390_g1_stu_getnext,
5001 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5002 	.serdes_power = mv88e6390_serdes_power,
5003 	.serdes_get_lane = mv88e6390_serdes_get_lane,
5004 	/* Check status register pause & lpa register */
5005 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
5006 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
5007 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
5008 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
5009 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5010 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
5011 	.serdes_irq_status = mv88e6390_serdes_irq_status,
5012 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5013 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5014 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5015 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5016 	.gpio_ops = &mv88e6352_gpio_ops,
5017 	.avb_ops = &mv88e6390_avb_ops,
5018 	.ptp_ops = &mv88e6352_ptp_ops,
5019 	.phylink_get_caps = mv88e6390_phylink_get_caps,
5020 };
5021 
5022 static const struct mv88e6xxx_ops mv88e6320_ops = {
5023 	/* MV88E6XXX_FAMILY_6320 */
5024 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5025 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5026 	.irl_init_all = mv88e6352_g2_irl_init_all,
5027 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
5028 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
5029 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5030 	.phy_read = mv88e6xxx_g2_smi_phy_read,
5031 	.phy_write = mv88e6xxx_g2_smi_phy_write,
5032 	.port_set_link = mv88e6xxx_port_set_link,
5033 	.port_sync_link = mv88e6xxx_port_sync_link,
5034 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5035 	.port_tag_remap = mv88e6095_port_tag_remap,
5036 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5037 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5038 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5039 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5040 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5041 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5042 	.port_pause_limit = mv88e6097_port_pause_limit,
5043 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5044 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5045 	.port_get_cmode = mv88e6352_port_get_cmode,
5046 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5047 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5048 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5049 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5050 	.stats_get_strings = mv88e6320_stats_get_strings,
5051 	.stats_get_stats = mv88e6320_stats_get_stats,
5052 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5053 	.set_egress_port = mv88e6095_g1_set_egress_port,
5054 	.watchdog_ops = &mv88e6390_watchdog_ops,
5055 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5056 	.pot_clear = mv88e6xxx_g2_pot_clear,
5057 	.reset = mv88e6352_g1_reset,
5058 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
5059 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
5060 	.gpio_ops = &mv88e6352_gpio_ops,
5061 	.avb_ops = &mv88e6352_avb_ops,
5062 	.ptp_ops = &mv88e6352_ptp_ops,
5063 	.phylink_get_caps = mv88e6185_phylink_get_caps,
5064 };
5065 
5066 static const struct mv88e6xxx_ops mv88e6321_ops = {
5067 	/* MV88E6XXX_FAMILY_6320 */
5068 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5069 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5070 	.irl_init_all = mv88e6352_g2_irl_init_all,
5071 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
5072 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
5073 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5074 	.phy_read = mv88e6xxx_g2_smi_phy_read,
5075 	.phy_write = mv88e6xxx_g2_smi_phy_write,
5076 	.port_set_link = mv88e6xxx_port_set_link,
5077 	.port_sync_link = mv88e6xxx_port_sync_link,
5078 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5079 	.port_tag_remap = mv88e6095_port_tag_remap,
5080 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5081 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5082 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5083 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5084 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5085 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5086 	.port_pause_limit = mv88e6097_port_pause_limit,
5087 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5088 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5089 	.port_get_cmode = mv88e6352_port_get_cmode,
5090 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5091 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5092 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5093 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5094 	.stats_get_strings = mv88e6320_stats_get_strings,
5095 	.stats_get_stats = mv88e6320_stats_get_stats,
5096 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5097 	.set_egress_port = mv88e6095_g1_set_egress_port,
5098 	.watchdog_ops = &mv88e6390_watchdog_ops,
5099 	.reset = mv88e6352_g1_reset,
5100 	.vtu_getnext = mv88e6185_g1_vtu_getnext,
5101 	.vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
5102 	.gpio_ops = &mv88e6352_gpio_ops,
5103 	.avb_ops = &mv88e6352_avb_ops,
5104 	.ptp_ops = &mv88e6352_ptp_ops,
5105 	.phylink_get_caps = mv88e6185_phylink_get_caps,
5106 };
5107 
5108 static const struct mv88e6xxx_ops mv88e6341_ops = {
5109 	/* MV88E6XXX_FAMILY_6341 */
5110 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5111 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5112 	.irl_init_all = mv88e6352_g2_irl_init_all,
5113 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5114 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5115 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5116 	.phy_read = mv88e6xxx_g2_smi_phy_read,
5117 	.phy_write = mv88e6xxx_g2_smi_phy_write,
5118 	.port_set_link = mv88e6xxx_port_set_link,
5119 	.port_sync_link = mv88e6xxx_port_sync_link,
5120 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5121 	.port_set_speed_duplex = mv88e6341_port_set_speed_duplex,
5122 	.port_max_speed_mode = mv88e6341_port_max_speed_mode,
5123 	.port_tag_remap = mv88e6095_port_tag_remap,
5124 	.port_set_policy = mv88e6352_port_set_policy,
5125 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5126 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5127 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5128 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5129 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5130 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5131 	.port_pause_limit = mv88e6097_port_pause_limit,
5132 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5133 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5134 	.port_get_cmode = mv88e6352_port_get_cmode,
5135 	.port_set_cmode = mv88e6341_port_set_cmode,
5136 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5137 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5138 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5139 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5140 	.stats_get_strings = mv88e6320_stats_get_strings,
5141 	.stats_get_stats = mv88e6390_stats_get_stats,
5142 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
5143 	.set_egress_port = mv88e6390_g1_set_egress_port,
5144 	.watchdog_ops = &mv88e6390_watchdog_ops,
5145 	.mgmt_rsvd2cpu =  mv88e6390_g1_mgmt_rsvd2cpu,
5146 	.pot_clear = mv88e6xxx_g2_pot_clear,
5147 	.reset = mv88e6352_g1_reset,
5148 	.rmu_disable = mv88e6390_g1_rmu_disable,
5149 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5150 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5151 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5152 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5153 	.stu_getnext = mv88e6352_g1_stu_getnext,
5154 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5155 	.serdes_power = mv88e6390_serdes_power,
5156 	.serdes_get_lane = mv88e6341_serdes_get_lane,
5157 	/* Check status register pause & lpa register */
5158 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
5159 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
5160 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
5161 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
5162 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5163 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
5164 	.serdes_irq_status = mv88e6390_serdes_irq_status,
5165 	.gpio_ops = &mv88e6352_gpio_ops,
5166 	.avb_ops = &mv88e6390_avb_ops,
5167 	.ptp_ops = &mv88e6352_ptp_ops,
5168 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
5169 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5170 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5171 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5172 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5173 	.phylink_get_caps = mv88e6341_phylink_get_caps,
5174 };
5175 
5176 static const struct mv88e6xxx_ops mv88e6350_ops = {
5177 	/* MV88E6XXX_FAMILY_6351 */
5178 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5179 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5180 	.irl_init_all = mv88e6352_g2_irl_init_all,
5181 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5182 	.phy_read = mv88e6xxx_g2_smi_phy_read,
5183 	.phy_write = mv88e6xxx_g2_smi_phy_write,
5184 	.port_set_link = mv88e6xxx_port_set_link,
5185 	.port_sync_link = mv88e6xxx_port_sync_link,
5186 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
5187 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5188 	.port_tag_remap = mv88e6095_port_tag_remap,
5189 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5190 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5191 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5192 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5193 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5194 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5195 	.port_pause_limit = mv88e6097_port_pause_limit,
5196 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5197 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5198 	.port_get_cmode = mv88e6352_port_get_cmode,
5199 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5200 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5201 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5202 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
5203 	.stats_get_strings = mv88e6095_stats_get_strings,
5204 	.stats_get_stats = mv88e6095_stats_get_stats,
5205 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5206 	.set_egress_port = mv88e6095_g1_set_egress_port,
5207 	.watchdog_ops = &mv88e6097_watchdog_ops,
5208 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5209 	.pot_clear = mv88e6xxx_g2_pot_clear,
5210 	.reset = mv88e6352_g1_reset,
5211 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5212 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5213 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5214 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5215 	.stu_getnext = mv88e6352_g1_stu_getnext,
5216 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5217 	.phylink_get_caps = mv88e6185_phylink_get_caps,
5218 };
5219 
5220 static const struct mv88e6xxx_ops mv88e6351_ops = {
5221 	/* MV88E6XXX_FAMILY_6351 */
5222 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5223 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5224 	.irl_init_all = mv88e6352_g2_irl_init_all,
5225 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5226 	.phy_read = mv88e6xxx_g2_smi_phy_read,
5227 	.phy_write = mv88e6xxx_g2_smi_phy_write,
5228 	.port_set_link = mv88e6xxx_port_set_link,
5229 	.port_sync_link = mv88e6xxx_port_sync_link,
5230 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
5231 	.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
5232 	.port_tag_remap = mv88e6095_port_tag_remap,
5233 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5234 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5235 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5236 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5237 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5238 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5239 	.port_pause_limit = mv88e6097_port_pause_limit,
5240 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5241 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5242 	.port_get_cmode = mv88e6352_port_get_cmode,
5243 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5244 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5245 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5246 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
5247 	.stats_get_strings = mv88e6095_stats_get_strings,
5248 	.stats_get_stats = mv88e6095_stats_get_stats,
5249 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5250 	.set_egress_port = mv88e6095_g1_set_egress_port,
5251 	.watchdog_ops = &mv88e6097_watchdog_ops,
5252 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5253 	.pot_clear = mv88e6xxx_g2_pot_clear,
5254 	.reset = mv88e6352_g1_reset,
5255 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5256 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5257 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5258 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5259 	.stu_getnext = mv88e6352_g1_stu_getnext,
5260 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5261 	.avb_ops = &mv88e6352_avb_ops,
5262 	.ptp_ops = &mv88e6352_ptp_ops,
5263 	.phylink_get_caps = mv88e6185_phylink_get_caps,
5264 };
5265 
5266 static const struct mv88e6xxx_ops mv88e6352_ops = {
5267 	/* MV88E6XXX_FAMILY_6352 */
5268 	.ieee_pri_map = mv88e6085_g1_ieee_pri_map,
5269 	.ip_pri_map = mv88e6085_g1_ip_pri_map,
5270 	.irl_init_all = mv88e6352_g2_irl_init_all,
5271 	.get_eeprom = mv88e6xxx_g2_get_eeprom16,
5272 	.set_eeprom = mv88e6xxx_g2_set_eeprom16,
5273 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5274 	.phy_read = mv88e6xxx_g2_smi_phy_read,
5275 	.phy_write = mv88e6xxx_g2_smi_phy_write,
5276 	.port_set_link = mv88e6xxx_port_set_link,
5277 	.port_sync_link = mv88e6xxx_port_sync_link,
5278 	.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
5279 	.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
5280 	.port_tag_remap = mv88e6095_port_tag_remap,
5281 	.port_set_policy = mv88e6352_port_set_policy,
5282 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5283 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5284 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5285 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5286 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5287 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5288 	.port_pause_limit = mv88e6097_port_pause_limit,
5289 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5290 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5291 	.port_get_cmode = mv88e6352_port_get_cmode,
5292 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5293 	.stats_snapshot = mv88e6320_g1_stats_snapshot,
5294 	.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
5295 	.stats_get_sset_count = mv88e6095_stats_get_sset_count,
5296 	.stats_get_strings = mv88e6095_stats_get_strings,
5297 	.stats_get_stats = mv88e6095_stats_get_stats,
5298 	.set_cpu_port = mv88e6095_g1_set_cpu_port,
5299 	.set_egress_port = mv88e6095_g1_set_egress_port,
5300 	.watchdog_ops = &mv88e6097_watchdog_ops,
5301 	.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
5302 	.pot_clear = mv88e6xxx_g2_pot_clear,
5303 	.reset = mv88e6352_g1_reset,
5304 	.rmu_disable = mv88e6352_g1_rmu_disable,
5305 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5306 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5307 	.vtu_getnext = mv88e6352_g1_vtu_getnext,
5308 	.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
5309 	.stu_getnext = mv88e6352_g1_stu_getnext,
5310 	.stu_loadpurge = mv88e6352_g1_stu_loadpurge,
5311 	.serdes_get_lane = mv88e6352_serdes_get_lane,
5312 	.serdes_pcs_get_state = mv88e6352_serdes_pcs_get_state,
5313 	.serdes_pcs_config = mv88e6352_serdes_pcs_config,
5314 	.serdes_pcs_an_restart = mv88e6352_serdes_pcs_an_restart,
5315 	.serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
5316 	.serdes_power = mv88e6352_serdes_power,
5317 	.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
5318 	.serdes_irq_enable = mv88e6352_serdes_irq_enable,
5319 	.serdes_irq_status = mv88e6352_serdes_irq_status,
5320 	.gpio_ops = &mv88e6352_gpio_ops,
5321 	.avb_ops = &mv88e6352_avb_ops,
5322 	.ptp_ops = &mv88e6352_ptp_ops,
5323 	.serdes_get_sset_count = mv88e6352_serdes_get_sset_count,
5324 	.serdes_get_strings = mv88e6352_serdes_get_strings,
5325 	.serdes_get_stats = mv88e6352_serdes_get_stats,
5326 	.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
5327 	.serdes_get_regs = mv88e6352_serdes_get_regs,
5328 	.serdes_set_tx_amplitude = mv88e6352_serdes_set_tx_amplitude,
5329 	.phylink_get_caps = mv88e6352_phylink_get_caps,
5330 };
5331 
5332 static const struct mv88e6xxx_ops mv88e6390_ops = {
5333 	/* MV88E6XXX_FAMILY_6390 */
5334 	.setup_errata = mv88e6390_setup_errata,
5335 	.irl_init_all = mv88e6390_g2_irl_init_all,
5336 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5337 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5338 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5339 	.phy_read = mv88e6xxx_g2_smi_phy_read,
5340 	.phy_write = mv88e6xxx_g2_smi_phy_write,
5341 	.port_set_link = mv88e6xxx_port_set_link,
5342 	.port_sync_link = mv88e6xxx_port_sync_link,
5343 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5344 	.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
5345 	.port_max_speed_mode = mv88e6390_port_max_speed_mode,
5346 	.port_tag_remap = mv88e6390_port_tag_remap,
5347 	.port_set_policy = mv88e6352_port_set_policy,
5348 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5349 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5350 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5351 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5352 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5353 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5354 	.port_pause_limit = mv88e6390_port_pause_limit,
5355 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5356 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5357 	.port_get_cmode = mv88e6352_port_get_cmode,
5358 	.port_set_cmode = mv88e6390_port_set_cmode,
5359 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5360 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5361 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5362 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5363 	.stats_get_strings = mv88e6320_stats_get_strings,
5364 	.stats_get_stats = mv88e6390_stats_get_stats,
5365 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
5366 	.set_egress_port = mv88e6390_g1_set_egress_port,
5367 	.watchdog_ops = &mv88e6390_watchdog_ops,
5368 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
5369 	.pot_clear = mv88e6xxx_g2_pot_clear,
5370 	.reset = mv88e6352_g1_reset,
5371 	.rmu_disable = mv88e6390_g1_rmu_disable,
5372 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5373 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5374 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
5375 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5376 	.stu_getnext = mv88e6390_g1_stu_getnext,
5377 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5378 	.serdes_power = mv88e6390_serdes_power,
5379 	.serdes_get_lane = mv88e6390_serdes_get_lane,
5380 	/* Check status register pause & lpa register */
5381 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
5382 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
5383 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
5384 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
5385 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5386 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
5387 	.serdes_irq_status = mv88e6390_serdes_irq_status,
5388 	.gpio_ops = &mv88e6352_gpio_ops,
5389 	.avb_ops = &mv88e6390_avb_ops,
5390 	.ptp_ops = &mv88e6352_ptp_ops,
5391 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
5392 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5393 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5394 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5395 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5396 	.phylink_get_caps = mv88e6390_phylink_get_caps,
5397 };
5398 
5399 static const struct mv88e6xxx_ops mv88e6390x_ops = {
5400 	/* MV88E6XXX_FAMILY_6390 */
5401 	.setup_errata = mv88e6390_setup_errata,
5402 	.irl_init_all = mv88e6390_g2_irl_init_all,
5403 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5404 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5405 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5406 	.phy_read = mv88e6xxx_g2_smi_phy_read,
5407 	.phy_write = mv88e6xxx_g2_smi_phy_write,
5408 	.port_set_link = mv88e6xxx_port_set_link,
5409 	.port_sync_link = mv88e6xxx_port_sync_link,
5410 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5411 	.port_set_speed_duplex = mv88e6390x_port_set_speed_duplex,
5412 	.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
5413 	.port_tag_remap = mv88e6390_port_tag_remap,
5414 	.port_set_policy = mv88e6352_port_set_policy,
5415 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5416 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5417 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5418 	.port_set_ether_type = mv88e6351_port_set_ether_type,
5419 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5420 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5421 	.port_pause_limit = mv88e6390_port_pause_limit,
5422 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5423 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5424 	.port_get_cmode = mv88e6352_port_get_cmode,
5425 	.port_set_cmode = mv88e6390x_port_set_cmode,
5426 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5427 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5428 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5429 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5430 	.stats_get_strings = mv88e6320_stats_get_strings,
5431 	.stats_get_stats = mv88e6390_stats_get_stats,
5432 	.set_cpu_port = mv88e6390_g1_set_cpu_port,
5433 	.set_egress_port = mv88e6390_g1_set_egress_port,
5434 	.watchdog_ops = &mv88e6390_watchdog_ops,
5435 	.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
5436 	.pot_clear = mv88e6xxx_g2_pot_clear,
5437 	.reset = mv88e6352_g1_reset,
5438 	.rmu_disable = mv88e6390_g1_rmu_disable,
5439 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5440 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5441 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
5442 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5443 	.stu_getnext = mv88e6390_g1_stu_getnext,
5444 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5445 	.serdes_power = mv88e6390_serdes_power,
5446 	.serdes_get_lane = mv88e6390x_serdes_get_lane,
5447 	.serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
5448 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
5449 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
5450 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
5451 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5452 	.serdes_irq_enable = mv88e6390_serdes_irq_enable,
5453 	.serdes_irq_status = mv88e6390_serdes_irq_status,
5454 	.serdes_get_sset_count = mv88e6390_serdes_get_sset_count,
5455 	.serdes_get_strings = mv88e6390_serdes_get_strings,
5456 	.serdes_get_stats = mv88e6390_serdes_get_stats,
5457 	.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
5458 	.serdes_get_regs = mv88e6390_serdes_get_regs,
5459 	.gpio_ops = &mv88e6352_gpio_ops,
5460 	.avb_ops = &mv88e6390_avb_ops,
5461 	.ptp_ops = &mv88e6352_ptp_ops,
5462 	.phylink_get_caps = mv88e6390x_phylink_get_caps,
5463 };
5464 
5465 static const struct mv88e6xxx_ops mv88e6393x_ops = {
5466 	/* MV88E6XXX_FAMILY_6393 */
5467 	.setup_errata = mv88e6393x_serdes_setup_errata,
5468 	.irl_init_all = mv88e6390_g2_irl_init_all,
5469 	.get_eeprom = mv88e6xxx_g2_get_eeprom8,
5470 	.set_eeprom = mv88e6xxx_g2_set_eeprom8,
5471 	.set_switch_mac = mv88e6xxx_g2_set_switch_mac,
5472 	.phy_read = mv88e6xxx_g2_smi_phy_read,
5473 	.phy_write = mv88e6xxx_g2_smi_phy_write,
5474 	.port_set_link = mv88e6xxx_port_set_link,
5475 	.port_sync_link = mv88e6xxx_port_sync_link,
5476 	.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
5477 	.port_set_speed_duplex = mv88e6393x_port_set_speed_duplex,
5478 	.port_max_speed_mode = mv88e6393x_port_max_speed_mode,
5479 	.port_tag_remap = mv88e6390_port_tag_remap,
5480 	.port_set_policy = mv88e6393x_port_set_policy,
5481 	.port_set_frame_mode = mv88e6351_port_set_frame_mode,
5482 	.port_set_ucast_flood = mv88e6352_port_set_ucast_flood,
5483 	.port_set_mcast_flood = mv88e6352_port_set_mcast_flood,
5484 	.port_set_ether_type = mv88e6393x_port_set_ether_type,
5485 	.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
5486 	.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
5487 	.port_pause_limit = mv88e6390_port_pause_limit,
5488 	.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
5489 	.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
5490 	.port_get_cmode = mv88e6352_port_get_cmode,
5491 	.port_set_cmode = mv88e6393x_port_set_cmode,
5492 	.port_setup_message_port = mv88e6xxx_setup_message_port,
5493 	.port_set_upstream_port = mv88e6393x_port_set_upstream_port,
5494 	.stats_snapshot = mv88e6390_g1_stats_snapshot,
5495 	.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
5496 	.stats_get_sset_count = mv88e6320_stats_get_sset_count,
5497 	.stats_get_strings = mv88e6320_stats_get_strings,
5498 	.stats_get_stats = mv88e6390_stats_get_stats,
5499 	/* .set_cpu_port is missing because this family does not support a global
5500 	 * CPU port, only per port CPU port which is set via
5501 	 * .port_set_upstream_port method.
5502 	 */
5503 	.set_egress_port = mv88e6393x_set_egress_port,
5504 	.watchdog_ops = &mv88e6390_watchdog_ops,
5505 	.mgmt_rsvd2cpu = mv88e6393x_port_mgmt_rsvd2cpu,
5506 	.pot_clear = mv88e6xxx_g2_pot_clear,
5507 	.reset = mv88e6352_g1_reset,
5508 	.rmu_disable = mv88e6390_g1_rmu_disable,
5509 	.atu_get_hash = mv88e6165_g1_atu_get_hash,
5510 	.atu_set_hash = mv88e6165_g1_atu_set_hash,
5511 	.vtu_getnext = mv88e6390_g1_vtu_getnext,
5512 	.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
5513 	.stu_getnext = mv88e6390_g1_stu_getnext,
5514 	.stu_loadpurge = mv88e6390_g1_stu_loadpurge,
5515 	.serdes_power = mv88e6393x_serdes_power,
5516 	.serdes_get_lane = mv88e6393x_serdes_get_lane,
5517 	.serdes_pcs_get_state = mv88e6393x_serdes_pcs_get_state,
5518 	.serdes_pcs_config = mv88e6390_serdes_pcs_config,
5519 	.serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
5520 	.serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
5521 	.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
5522 	.serdes_irq_enable = mv88e6393x_serdes_irq_enable,
5523 	.serdes_irq_status = mv88e6393x_serdes_irq_status,
5524 	/* TODO: serdes stats */
5525 	.gpio_ops = &mv88e6352_gpio_ops,
5526 	.avb_ops = &mv88e6390_avb_ops,
5527 	.ptp_ops = &mv88e6352_ptp_ops,
5528 	.phylink_get_caps = mv88e6393x_phylink_get_caps,
5529 };
5530 
5531 static const struct mv88e6xxx_info mv88e6xxx_table[] = {
5532 	[MV88E6085] = {
5533 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6085,
5534 		.family = MV88E6XXX_FAMILY_6097,
5535 		.name = "Marvell 88E6085",
5536 		.num_databases = 4096,
5537 		.num_macs = 8192,
5538 		.num_ports = 10,
5539 		.num_internal_phys = 5,
5540 		.max_vid = 4095,
5541 		.max_sid = 63,
5542 		.port_base_addr = 0x10,
5543 		.phy_base_addr = 0x0,
5544 		.global1_addr = 0x1b,
5545 		.global2_addr = 0x1c,
5546 		.age_time_coeff = 15000,
5547 		.g1_irqs = 8,
5548 		.g2_irqs = 10,
5549 		.atu_move_port_mask = 0xf,
5550 		.pvt = true,
5551 		.multi_chip = true,
5552 		.ops = &mv88e6085_ops,
5553 	},
5554 
5555 	[MV88E6095] = {
5556 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6095,
5557 		.family = MV88E6XXX_FAMILY_6095,
5558 		.name = "Marvell 88E6095/88E6095F",
5559 		.num_databases = 256,
5560 		.num_macs = 8192,
5561 		.num_ports = 11,
5562 		.num_internal_phys = 0,
5563 		.max_vid = 4095,
5564 		.port_base_addr = 0x10,
5565 		.phy_base_addr = 0x0,
5566 		.global1_addr = 0x1b,
5567 		.global2_addr = 0x1c,
5568 		.age_time_coeff = 15000,
5569 		.g1_irqs = 8,
5570 		.atu_move_port_mask = 0xf,
5571 		.multi_chip = true,
5572 		.ops = &mv88e6095_ops,
5573 	},
5574 
5575 	[MV88E6097] = {
5576 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6097,
5577 		.family = MV88E6XXX_FAMILY_6097,
5578 		.name = "Marvell 88E6097/88E6097F",
5579 		.num_databases = 4096,
5580 		.num_macs = 8192,
5581 		.num_ports = 11,
5582 		.num_internal_phys = 8,
5583 		.max_vid = 4095,
5584 		.max_sid = 63,
5585 		.port_base_addr = 0x10,
5586 		.phy_base_addr = 0x0,
5587 		.global1_addr = 0x1b,
5588 		.global2_addr = 0x1c,
5589 		.age_time_coeff = 15000,
5590 		.g1_irqs = 8,
5591 		.g2_irqs = 10,
5592 		.atu_move_port_mask = 0xf,
5593 		.pvt = true,
5594 		.multi_chip = true,
5595 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5596 		.ops = &mv88e6097_ops,
5597 	},
5598 
5599 	[MV88E6123] = {
5600 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6123,
5601 		.family = MV88E6XXX_FAMILY_6165,
5602 		.name = "Marvell 88E6123",
5603 		.num_databases = 4096,
5604 		.num_macs = 1024,
5605 		.num_ports = 3,
5606 		.num_internal_phys = 5,
5607 		.max_vid = 4095,
5608 		.max_sid = 63,
5609 		.port_base_addr = 0x10,
5610 		.phy_base_addr = 0x0,
5611 		.global1_addr = 0x1b,
5612 		.global2_addr = 0x1c,
5613 		.age_time_coeff = 15000,
5614 		.g1_irqs = 9,
5615 		.g2_irqs = 10,
5616 		.atu_move_port_mask = 0xf,
5617 		.pvt = true,
5618 		.multi_chip = true,
5619 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5620 		.ops = &mv88e6123_ops,
5621 	},
5622 
5623 	[MV88E6131] = {
5624 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6131,
5625 		.family = MV88E6XXX_FAMILY_6185,
5626 		.name = "Marvell 88E6131",
5627 		.num_databases = 256,
5628 		.num_macs = 8192,
5629 		.num_ports = 8,
5630 		.num_internal_phys = 0,
5631 		.max_vid = 4095,
5632 		.port_base_addr = 0x10,
5633 		.phy_base_addr = 0x0,
5634 		.global1_addr = 0x1b,
5635 		.global2_addr = 0x1c,
5636 		.age_time_coeff = 15000,
5637 		.g1_irqs = 9,
5638 		.atu_move_port_mask = 0xf,
5639 		.multi_chip = true,
5640 		.ops = &mv88e6131_ops,
5641 	},
5642 
5643 	[MV88E6141] = {
5644 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6141,
5645 		.family = MV88E6XXX_FAMILY_6341,
5646 		.name = "Marvell 88E6141",
5647 		.num_databases = 4096,
5648 		.num_macs = 2048,
5649 		.num_ports = 6,
5650 		.num_internal_phys = 5,
5651 		.num_gpio = 11,
5652 		.max_vid = 4095,
5653 		.max_sid = 63,
5654 		.port_base_addr = 0x10,
5655 		.phy_base_addr = 0x10,
5656 		.global1_addr = 0x1b,
5657 		.global2_addr = 0x1c,
5658 		.age_time_coeff = 3750,
5659 		.atu_move_port_mask = 0x1f,
5660 		.g1_irqs = 9,
5661 		.g2_irqs = 10,
5662 		.pvt = true,
5663 		.multi_chip = true,
5664 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5665 		.ops = &mv88e6141_ops,
5666 	},
5667 
5668 	[MV88E6161] = {
5669 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6161,
5670 		.family = MV88E6XXX_FAMILY_6165,
5671 		.name = "Marvell 88E6161",
5672 		.num_databases = 4096,
5673 		.num_macs = 1024,
5674 		.num_ports = 6,
5675 		.num_internal_phys = 5,
5676 		.max_vid = 4095,
5677 		.max_sid = 63,
5678 		.port_base_addr = 0x10,
5679 		.phy_base_addr = 0x0,
5680 		.global1_addr = 0x1b,
5681 		.global2_addr = 0x1c,
5682 		.age_time_coeff = 15000,
5683 		.g1_irqs = 9,
5684 		.g2_irqs = 10,
5685 		.atu_move_port_mask = 0xf,
5686 		.pvt = true,
5687 		.multi_chip = true,
5688 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5689 		.ptp_support = true,
5690 		.ops = &mv88e6161_ops,
5691 	},
5692 
5693 	[MV88E6165] = {
5694 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6165,
5695 		.family = MV88E6XXX_FAMILY_6165,
5696 		.name = "Marvell 88E6165",
5697 		.num_databases = 4096,
5698 		.num_macs = 8192,
5699 		.num_ports = 6,
5700 		.num_internal_phys = 0,
5701 		.max_vid = 4095,
5702 		.max_sid = 63,
5703 		.port_base_addr = 0x10,
5704 		.phy_base_addr = 0x0,
5705 		.global1_addr = 0x1b,
5706 		.global2_addr = 0x1c,
5707 		.age_time_coeff = 15000,
5708 		.g1_irqs = 9,
5709 		.g2_irqs = 10,
5710 		.atu_move_port_mask = 0xf,
5711 		.pvt = true,
5712 		.multi_chip = true,
5713 		.ptp_support = true,
5714 		.ops = &mv88e6165_ops,
5715 	},
5716 
5717 	[MV88E6171] = {
5718 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6171,
5719 		.family = MV88E6XXX_FAMILY_6351,
5720 		.name = "Marvell 88E6171",
5721 		.num_databases = 4096,
5722 		.num_macs = 8192,
5723 		.num_ports = 7,
5724 		.num_internal_phys = 5,
5725 		.max_vid = 4095,
5726 		.max_sid = 63,
5727 		.port_base_addr = 0x10,
5728 		.phy_base_addr = 0x0,
5729 		.global1_addr = 0x1b,
5730 		.global2_addr = 0x1c,
5731 		.age_time_coeff = 15000,
5732 		.g1_irqs = 9,
5733 		.g2_irqs = 10,
5734 		.atu_move_port_mask = 0xf,
5735 		.pvt = true,
5736 		.multi_chip = true,
5737 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5738 		.ops = &mv88e6171_ops,
5739 	},
5740 
5741 	[MV88E6172] = {
5742 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6172,
5743 		.family = MV88E6XXX_FAMILY_6352,
5744 		.name = "Marvell 88E6172",
5745 		.num_databases = 4096,
5746 		.num_macs = 8192,
5747 		.num_ports = 7,
5748 		.num_internal_phys = 5,
5749 		.num_gpio = 15,
5750 		.max_vid = 4095,
5751 		.max_sid = 63,
5752 		.port_base_addr = 0x10,
5753 		.phy_base_addr = 0x0,
5754 		.global1_addr = 0x1b,
5755 		.global2_addr = 0x1c,
5756 		.age_time_coeff = 15000,
5757 		.g1_irqs = 9,
5758 		.g2_irqs = 10,
5759 		.atu_move_port_mask = 0xf,
5760 		.pvt = true,
5761 		.multi_chip = true,
5762 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5763 		.ops = &mv88e6172_ops,
5764 	},
5765 
5766 	[MV88E6175] = {
5767 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6175,
5768 		.family = MV88E6XXX_FAMILY_6351,
5769 		.name = "Marvell 88E6175",
5770 		.num_databases = 4096,
5771 		.num_macs = 8192,
5772 		.num_ports = 7,
5773 		.num_internal_phys = 5,
5774 		.max_vid = 4095,
5775 		.max_sid = 63,
5776 		.port_base_addr = 0x10,
5777 		.phy_base_addr = 0x0,
5778 		.global1_addr = 0x1b,
5779 		.global2_addr = 0x1c,
5780 		.age_time_coeff = 15000,
5781 		.g1_irqs = 9,
5782 		.g2_irqs = 10,
5783 		.atu_move_port_mask = 0xf,
5784 		.pvt = true,
5785 		.multi_chip = true,
5786 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5787 		.ops = &mv88e6175_ops,
5788 	},
5789 
5790 	[MV88E6176] = {
5791 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6176,
5792 		.family = MV88E6XXX_FAMILY_6352,
5793 		.name = "Marvell 88E6176",
5794 		.num_databases = 4096,
5795 		.num_macs = 8192,
5796 		.num_ports = 7,
5797 		.num_internal_phys = 5,
5798 		.num_gpio = 15,
5799 		.max_vid = 4095,
5800 		.max_sid = 63,
5801 		.port_base_addr = 0x10,
5802 		.phy_base_addr = 0x0,
5803 		.global1_addr = 0x1b,
5804 		.global2_addr = 0x1c,
5805 		.age_time_coeff = 15000,
5806 		.g1_irqs = 9,
5807 		.g2_irqs = 10,
5808 		.atu_move_port_mask = 0xf,
5809 		.pvt = true,
5810 		.multi_chip = true,
5811 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5812 		.ops = &mv88e6176_ops,
5813 	},
5814 
5815 	[MV88E6185] = {
5816 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6185,
5817 		.family = MV88E6XXX_FAMILY_6185,
5818 		.name = "Marvell 88E6185",
5819 		.num_databases = 256,
5820 		.num_macs = 8192,
5821 		.num_ports = 10,
5822 		.num_internal_phys = 0,
5823 		.max_vid = 4095,
5824 		.port_base_addr = 0x10,
5825 		.phy_base_addr = 0x0,
5826 		.global1_addr = 0x1b,
5827 		.global2_addr = 0x1c,
5828 		.age_time_coeff = 15000,
5829 		.g1_irqs = 8,
5830 		.atu_move_port_mask = 0xf,
5831 		.multi_chip = true,
5832 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
5833 		.ops = &mv88e6185_ops,
5834 	},
5835 
5836 	[MV88E6190] = {
5837 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190,
5838 		.family = MV88E6XXX_FAMILY_6390,
5839 		.name = "Marvell 88E6190",
5840 		.num_databases = 4096,
5841 		.num_macs = 16384,
5842 		.num_ports = 11,	/* 10 + Z80 */
5843 		.num_internal_phys = 9,
5844 		.num_gpio = 16,
5845 		.max_vid = 8191,
5846 		.max_sid = 63,
5847 		.port_base_addr = 0x0,
5848 		.phy_base_addr = 0x0,
5849 		.global1_addr = 0x1b,
5850 		.global2_addr = 0x1c,
5851 		.age_time_coeff = 3750,
5852 		.g1_irqs = 9,
5853 		.g2_irqs = 14,
5854 		.pvt = true,
5855 		.multi_chip = true,
5856 		.atu_move_port_mask = 0x1f,
5857 		.ops = &mv88e6190_ops,
5858 	},
5859 
5860 	[MV88E6190X] = {
5861 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6190X,
5862 		.family = MV88E6XXX_FAMILY_6390,
5863 		.name = "Marvell 88E6190X",
5864 		.num_databases = 4096,
5865 		.num_macs = 16384,
5866 		.num_ports = 11,	/* 10 + Z80 */
5867 		.num_internal_phys = 9,
5868 		.num_gpio = 16,
5869 		.max_vid = 8191,
5870 		.max_sid = 63,
5871 		.port_base_addr = 0x0,
5872 		.phy_base_addr = 0x0,
5873 		.global1_addr = 0x1b,
5874 		.global2_addr = 0x1c,
5875 		.age_time_coeff = 3750,
5876 		.g1_irqs = 9,
5877 		.g2_irqs = 14,
5878 		.atu_move_port_mask = 0x1f,
5879 		.pvt = true,
5880 		.multi_chip = true,
5881 		.ops = &mv88e6190x_ops,
5882 	},
5883 
5884 	[MV88E6191] = {
5885 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6191,
5886 		.family = MV88E6XXX_FAMILY_6390,
5887 		.name = "Marvell 88E6191",
5888 		.num_databases = 4096,
5889 		.num_macs = 16384,
5890 		.num_ports = 11,	/* 10 + Z80 */
5891 		.num_internal_phys = 9,
5892 		.max_vid = 8191,
5893 		.max_sid = 63,
5894 		.port_base_addr = 0x0,
5895 		.phy_base_addr = 0x0,
5896 		.global1_addr = 0x1b,
5897 		.global2_addr = 0x1c,
5898 		.age_time_coeff = 3750,
5899 		.g1_irqs = 9,
5900 		.g2_irqs = 14,
5901 		.atu_move_port_mask = 0x1f,
5902 		.pvt = true,
5903 		.multi_chip = true,
5904 		.ptp_support = true,
5905 		.ops = &mv88e6191_ops,
5906 	},
5907 
5908 	[MV88E6191X] = {
5909 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6191X,
5910 		.family = MV88E6XXX_FAMILY_6393,
5911 		.name = "Marvell 88E6191X",
5912 		.num_databases = 4096,
5913 		.num_ports = 11,	/* 10 + Z80 */
5914 		.num_internal_phys = 9,
5915 		.max_vid = 8191,
5916 		.max_sid = 63,
5917 		.port_base_addr = 0x0,
5918 		.phy_base_addr = 0x0,
5919 		.global1_addr = 0x1b,
5920 		.global2_addr = 0x1c,
5921 		.age_time_coeff = 3750,
5922 		.g1_irqs = 10,
5923 		.g2_irqs = 14,
5924 		.atu_move_port_mask = 0x1f,
5925 		.pvt = true,
5926 		.multi_chip = true,
5927 		.ptp_support = true,
5928 		.ops = &mv88e6393x_ops,
5929 	},
5930 
5931 	[MV88E6193X] = {
5932 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6193X,
5933 		.family = MV88E6XXX_FAMILY_6393,
5934 		.name = "Marvell 88E6193X",
5935 		.num_databases = 4096,
5936 		.num_ports = 11,	/* 10 + Z80 */
5937 		.num_internal_phys = 9,
5938 		.max_vid = 8191,
5939 		.max_sid = 63,
5940 		.port_base_addr = 0x0,
5941 		.phy_base_addr = 0x0,
5942 		.global1_addr = 0x1b,
5943 		.global2_addr = 0x1c,
5944 		.age_time_coeff = 3750,
5945 		.g1_irqs = 10,
5946 		.g2_irqs = 14,
5947 		.atu_move_port_mask = 0x1f,
5948 		.pvt = true,
5949 		.multi_chip = true,
5950 		.ptp_support = true,
5951 		.ops = &mv88e6393x_ops,
5952 	},
5953 
5954 	[MV88E6220] = {
5955 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6220,
5956 		.family = MV88E6XXX_FAMILY_6250,
5957 		.name = "Marvell 88E6220",
5958 		.num_databases = 64,
5959 
5960 		/* Ports 2-4 are not routed to pins
5961 		 * => usable ports 0, 1, 5, 6
5962 		 */
5963 		.num_ports = 7,
5964 		.num_internal_phys = 2,
5965 		.invalid_port_mask = BIT(2) | BIT(3) | BIT(4),
5966 		.max_vid = 4095,
5967 		.port_base_addr = 0x08,
5968 		.phy_base_addr = 0x00,
5969 		.global1_addr = 0x0f,
5970 		.global2_addr = 0x07,
5971 		.age_time_coeff = 15000,
5972 		.g1_irqs = 9,
5973 		.g2_irqs = 10,
5974 		.atu_move_port_mask = 0xf,
5975 		.dual_chip = true,
5976 		.ptp_support = true,
5977 		.ops = &mv88e6250_ops,
5978 	},
5979 
5980 	[MV88E6240] = {
5981 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6240,
5982 		.family = MV88E6XXX_FAMILY_6352,
5983 		.name = "Marvell 88E6240",
5984 		.num_databases = 4096,
5985 		.num_macs = 8192,
5986 		.num_ports = 7,
5987 		.num_internal_phys = 5,
5988 		.num_gpio = 15,
5989 		.max_vid = 4095,
5990 		.max_sid = 63,
5991 		.port_base_addr = 0x10,
5992 		.phy_base_addr = 0x0,
5993 		.global1_addr = 0x1b,
5994 		.global2_addr = 0x1c,
5995 		.age_time_coeff = 15000,
5996 		.g1_irqs = 9,
5997 		.g2_irqs = 10,
5998 		.atu_move_port_mask = 0xf,
5999 		.pvt = true,
6000 		.multi_chip = true,
6001 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6002 		.ptp_support = true,
6003 		.ops = &mv88e6240_ops,
6004 	},
6005 
6006 	[MV88E6250] = {
6007 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6250,
6008 		.family = MV88E6XXX_FAMILY_6250,
6009 		.name = "Marvell 88E6250",
6010 		.num_databases = 64,
6011 		.num_ports = 7,
6012 		.num_internal_phys = 5,
6013 		.max_vid = 4095,
6014 		.port_base_addr = 0x08,
6015 		.phy_base_addr = 0x00,
6016 		.global1_addr = 0x0f,
6017 		.global2_addr = 0x07,
6018 		.age_time_coeff = 15000,
6019 		.g1_irqs = 9,
6020 		.g2_irqs = 10,
6021 		.atu_move_port_mask = 0xf,
6022 		.dual_chip = true,
6023 		.ptp_support = true,
6024 		.ops = &mv88e6250_ops,
6025 	},
6026 
6027 	[MV88E6290] = {
6028 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6290,
6029 		.family = MV88E6XXX_FAMILY_6390,
6030 		.name = "Marvell 88E6290",
6031 		.num_databases = 4096,
6032 		.num_ports = 11,	/* 10 + Z80 */
6033 		.num_internal_phys = 9,
6034 		.num_gpio = 16,
6035 		.max_vid = 8191,
6036 		.max_sid = 63,
6037 		.port_base_addr = 0x0,
6038 		.phy_base_addr = 0x0,
6039 		.global1_addr = 0x1b,
6040 		.global2_addr = 0x1c,
6041 		.age_time_coeff = 3750,
6042 		.g1_irqs = 9,
6043 		.g2_irqs = 14,
6044 		.atu_move_port_mask = 0x1f,
6045 		.pvt = true,
6046 		.multi_chip = true,
6047 		.ptp_support = true,
6048 		.ops = &mv88e6290_ops,
6049 	},
6050 
6051 	[MV88E6320] = {
6052 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6320,
6053 		.family = MV88E6XXX_FAMILY_6320,
6054 		.name = "Marvell 88E6320",
6055 		.num_databases = 4096,
6056 		.num_macs = 8192,
6057 		.num_ports = 7,
6058 		.num_internal_phys = 5,
6059 		.num_gpio = 15,
6060 		.max_vid = 4095,
6061 		.port_base_addr = 0x10,
6062 		.phy_base_addr = 0x0,
6063 		.global1_addr = 0x1b,
6064 		.global2_addr = 0x1c,
6065 		.age_time_coeff = 15000,
6066 		.g1_irqs = 8,
6067 		.g2_irqs = 10,
6068 		.atu_move_port_mask = 0xf,
6069 		.pvt = true,
6070 		.multi_chip = true,
6071 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6072 		.ptp_support = true,
6073 		.ops = &mv88e6320_ops,
6074 	},
6075 
6076 	[MV88E6321] = {
6077 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6321,
6078 		.family = MV88E6XXX_FAMILY_6320,
6079 		.name = "Marvell 88E6321",
6080 		.num_databases = 4096,
6081 		.num_macs = 8192,
6082 		.num_ports = 7,
6083 		.num_internal_phys = 5,
6084 		.num_gpio = 15,
6085 		.max_vid = 4095,
6086 		.port_base_addr = 0x10,
6087 		.phy_base_addr = 0x0,
6088 		.global1_addr = 0x1b,
6089 		.global2_addr = 0x1c,
6090 		.age_time_coeff = 15000,
6091 		.g1_irqs = 8,
6092 		.g2_irqs = 10,
6093 		.atu_move_port_mask = 0xf,
6094 		.multi_chip = true,
6095 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6096 		.ptp_support = true,
6097 		.ops = &mv88e6321_ops,
6098 	},
6099 
6100 	[MV88E6341] = {
6101 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6341,
6102 		.family = MV88E6XXX_FAMILY_6341,
6103 		.name = "Marvell 88E6341",
6104 		.num_databases = 4096,
6105 		.num_macs = 2048,
6106 		.num_internal_phys = 5,
6107 		.num_ports = 6,
6108 		.num_gpio = 11,
6109 		.max_vid = 4095,
6110 		.max_sid = 63,
6111 		.port_base_addr = 0x10,
6112 		.phy_base_addr = 0x10,
6113 		.global1_addr = 0x1b,
6114 		.global2_addr = 0x1c,
6115 		.age_time_coeff = 3750,
6116 		.atu_move_port_mask = 0x1f,
6117 		.g1_irqs = 9,
6118 		.g2_irqs = 10,
6119 		.pvt = true,
6120 		.multi_chip = true,
6121 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6122 		.ptp_support = true,
6123 		.ops = &mv88e6341_ops,
6124 	},
6125 
6126 	[MV88E6350] = {
6127 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6350,
6128 		.family = MV88E6XXX_FAMILY_6351,
6129 		.name = "Marvell 88E6350",
6130 		.num_databases = 4096,
6131 		.num_macs = 8192,
6132 		.num_ports = 7,
6133 		.num_internal_phys = 5,
6134 		.max_vid = 4095,
6135 		.max_sid = 63,
6136 		.port_base_addr = 0x10,
6137 		.phy_base_addr = 0x0,
6138 		.global1_addr = 0x1b,
6139 		.global2_addr = 0x1c,
6140 		.age_time_coeff = 15000,
6141 		.g1_irqs = 9,
6142 		.g2_irqs = 10,
6143 		.atu_move_port_mask = 0xf,
6144 		.pvt = true,
6145 		.multi_chip = true,
6146 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6147 		.ops = &mv88e6350_ops,
6148 	},
6149 
6150 	[MV88E6351] = {
6151 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6351,
6152 		.family = MV88E6XXX_FAMILY_6351,
6153 		.name = "Marvell 88E6351",
6154 		.num_databases = 4096,
6155 		.num_macs = 8192,
6156 		.num_ports = 7,
6157 		.num_internal_phys = 5,
6158 		.max_vid = 4095,
6159 		.max_sid = 63,
6160 		.port_base_addr = 0x10,
6161 		.phy_base_addr = 0x0,
6162 		.global1_addr = 0x1b,
6163 		.global2_addr = 0x1c,
6164 		.age_time_coeff = 15000,
6165 		.g1_irqs = 9,
6166 		.g2_irqs = 10,
6167 		.atu_move_port_mask = 0xf,
6168 		.pvt = true,
6169 		.multi_chip = true,
6170 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
6171 		.ops = &mv88e6351_ops,
6172 	},
6173 
6174 	[MV88E6352] = {
6175 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6352,
6176 		.family = MV88E6XXX_FAMILY_6352,
6177 		.name = "Marvell 88E6352",
6178 		.num_databases = 4096,
6179 		.num_macs = 8192,
6180 		.num_ports = 7,
6181 		.num_internal_phys = 5,
6182 		.num_gpio = 15,
6183 		.max_vid = 4095,
6184 		.max_sid = 63,
6185 		.port_base_addr = 0x10,
6186 		.phy_base_addr = 0x0,
6187 		.global1_addr = 0x1b,
6188 		.global2_addr = 0x1c,
6189 		.age_time_coeff = 15000,
6190 		.g1_irqs = 9,
6191 		.g2_irqs = 10,
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 = &mv88e6352_ops,
6198 	},
6199 	[MV88E6390] = {
6200 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
6201 		.family = MV88E6XXX_FAMILY_6390,
6202 		.name = "Marvell 88E6390",
6203 		.num_databases = 4096,
6204 		.num_macs = 16384,
6205 		.num_ports = 11,	/* 10 + Z80 */
6206 		.num_internal_phys = 9,
6207 		.num_gpio = 16,
6208 		.max_vid = 8191,
6209 		.max_sid = 63,
6210 		.port_base_addr = 0x0,
6211 		.phy_base_addr = 0x0,
6212 		.global1_addr = 0x1b,
6213 		.global2_addr = 0x1c,
6214 		.age_time_coeff = 3750,
6215 		.g1_irqs = 9,
6216 		.g2_irqs = 14,
6217 		.atu_move_port_mask = 0x1f,
6218 		.pvt = true,
6219 		.multi_chip = true,
6220 		.edsa_support = MV88E6XXX_EDSA_UNDOCUMENTED,
6221 		.ptp_support = true,
6222 		.ops = &mv88e6390_ops,
6223 	},
6224 	[MV88E6390X] = {
6225 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390X,
6226 		.family = MV88E6XXX_FAMILY_6390,
6227 		.name = "Marvell 88E6390X",
6228 		.num_databases = 4096,
6229 		.num_macs = 16384,
6230 		.num_ports = 11,	/* 10 + Z80 */
6231 		.num_internal_phys = 9,
6232 		.num_gpio = 16,
6233 		.max_vid = 8191,
6234 		.max_sid = 63,
6235 		.port_base_addr = 0x0,
6236 		.phy_base_addr = 0x0,
6237 		.global1_addr = 0x1b,
6238 		.global2_addr = 0x1c,
6239 		.age_time_coeff = 3750,
6240 		.g1_irqs = 9,
6241 		.g2_irqs = 14,
6242 		.atu_move_port_mask = 0x1f,
6243 		.pvt = true,
6244 		.multi_chip = true,
6245 		.edsa_support = MV88E6XXX_EDSA_UNDOCUMENTED,
6246 		.ptp_support = true,
6247 		.ops = &mv88e6390x_ops,
6248 	},
6249 
6250 	[MV88E6393X] = {
6251 		.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6393X,
6252 		.family = MV88E6XXX_FAMILY_6393,
6253 		.name = "Marvell 88E6393X",
6254 		.num_databases = 4096,
6255 		.num_ports = 11,	/* 10 + Z80 */
6256 		.num_internal_phys = 9,
6257 		.max_vid = 8191,
6258 		.max_sid = 63,
6259 		.port_base_addr = 0x0,
6260 		.phy_base_addr = 0x0,
6261 		.global1_addr = 0x1b,
6262 		.global2_addr = 0x1c,
6263 		.age_time_coeff = 3750,
6264 		.g1_irqs = 10,
6265 		.g2_irqs = 14,
6266 		.atu_move_port_mask = 0x1f,
6267 		.pvt = true,
6268 		.multi_chip = true,
6269 		.ptp_support = true,
6270 		.ops = &mv88e6393x_ops,
6271 	},
6272 };
6273 
mv88e6xxx_lookup_info(unsigned int prod_num)6274 static const struct mv88e6xxx_info *mv88e6xxx_lookup_info(unsigned int prod_num)
6275 {
6276 	int i;
6277 
6278 	for (i = 0; i < ARRAY_SIZE(mv88e6xxx_table); ++i)
6279 		if (mv88e6xxx_table[i].prod_num == prod_num)
6280 			return &mv88e6xxx_table[i];
6281 
6282 	return NULL;
6283 }
6284 
mv88e6xxx_detect(struct mv88e6xxx_chip * chip)6285 static int mv88e6xxx_detect(struct mv88e6xxx_chip *chip)
6286 {
6287 	const struct mv88e6xxx_info *info;
6288 	unsigned int prod_num, rev;
6289 	u16 id;
6290 	int err;
6291 
6292 	mv88e6xxx_reg_lock(chip);
6293 	err = mv88e6xxx_port_read(chip, 0, MV88E6XXX_PORT_SWITCH_ID, &id);
6294 	mv88e6xxx_reg_unlock(chip);
6295 	if (err)
6296 		return err;
6297 
6298 	prod_num = id & MV88E6XXX_PORT_SWITCH_ID_PROD_MASK;
6299 	rev = id & MV88E6XXX_PORT_SWITCH_ID_REV_MASK;
6300 
6301 	info = mv88e6xxx_lookup_info(prod_num);
6302 	if (!info)
6303 		return -ENODEV;
6304 
6305 	/* Update the compatible info with the probed one */
6306 	chip->info = info;
6307 
6308 	dev_info(chip->dev, "switch 0x%x detected: %s, revision %u\n",
6309 		 chip->info->prod_num, chip->info->name, rev);
6310 
6311 	return 0;
6312 }
6313 
mv88e6xxx_single_chip_detect(struct mv88e6xxx_chip * chip,struct mdio_device * mdiodev)6314 static int mv88e6xxx_single_chip_detect(struct mv88e6xxx_chip *chip,
6315 					struct mdio_device *mdiodev)
6316 {
6317 	int err;
6318 
6319 	/* dual_chip takes precedence over single/multi-chip modes */
6320 	if (chip->info->dual_chip)
6321 		return -EINVAL;
6322 
6323 	/* If the mdio addr is 16 indicating the first port address of a switch
6324 	 * (e.g. mv88e6*41) in single chip addressing mode the device may be
6325 	 * configured in single chip addressing mode. Setup the smi access as
6326 	 * single chip addressing mode and attempt to detect the model of the
6327 	 * switch, if this fails the device is not configured in single chip
6328 	 * addressing mode.
6329 	 */
6330 	if (mdiodev->addr != 16)
6331 		return -EINVAL;
6332 
6333 	err = mv88e6xxx_smi_init(chip, mdiodev->bus, 0);
6334 	if (err)
6335 		return err;
6336 
6337 	return mv88e6xxx_detect(chip);
6338 }
6339 
mv88e6xxx_alloc_chip(struct device * dev)6340 static struct mv88e6xxx_chip *mv88e6xxx_alloc_chip(struct device *dev)
6341 {
6342 	struct mv88e6xxx_chip *chip;
6343 
6344 	chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
6345 	if (!chip)
6346 		return NULL;
6347 
6348 	chip->dev = dev;
6349 
6350 	mutex_init(&chip->reg_lock);
6351 	INIT_LIST_HEAD(&chip->mdios);
6352 	idr_init(&chip->policies);
6353 	INIT_LIST_HEAD(&chip->msts);
6354 
6355 	return chip;
6356 }
6357 
mv88e6xxx_get_tag_protocol(struct dsa_switch * ds,int port,enum dsa_tag_protocol m)6358 static enum dsa_tag_protocol mv88e6xxx_get_tag_protocol(struct dsa_switch *ds,
6359 							int port,
6360 							enum dsa_tag_protocol m)
6361 {
6362 	struct mv88e6xxx_chip *chip = ds->priv;
6363 
6364 	return chip->tag_protocol;
6365 }
6366 
mv88e6xxx_change_tag_protocol(struct dsa_switch * ds,enum dsa_tag_protocol proto)6367 static int mv88e6xxx_change_tag_protocol(struct dsa_switch *ds,
6368 					 enum dsa_tag_protocol proto)
6369 {
6370 	struct mv88e6xxx_chip *chip = ds->priv;
6371 	enum dsa_tag_protocol old_protocol;
6372 	struct dsa_port *cpu_dp;
6373 	int err;
6374 
6375 	switch (proto) {
6376 	case DSA_TAG_PROTO_EDSA:
6377 		switch (chip->info->edsa_support) {
6378 		case MV88E6XXX_EDSA_UNSUPPORTED:
6379 			return -EPROTONOSUPPORT;
6380 		case MV88E6XXX_EDSA_UNDOCUMENTED:
6381 			dev_warn(chip->dev, "Relying on undocumented EDSA tagging behavior\n");
6382 			fallthrough;
6383 		case MV88E6XXX_EDSA_SUPPORTED:
6384 			break;
6385 		}
6386 		break;
6387 	case DSA_TAG_PROTO_DSA:
6388 		break;
6389 	default:
6390 		return -EPROTONOSUPPORT;
6391 	}
6392 
6393 	old_protocol = chip->tag_protocol;
6394 	chip->tag_protocol = proto;
6395 
6396 	mv88e6xxx_reg_lock(chip);
6397 	dsa_switch_for_each_cpu_port(cpu_dp, ds) {
6398 		err = mv88e6xxx_setup_port_mode(chip, cpu_dp->index);
6399 		if (err) {
6400 			mv88e6xxx_reg_unlock(chip);
6401 			goto unwind;
6402 		}
6403 	}
6404 	mv88e6xxx_reg_unlock(chip);
6405 
6406 	return 0;
6407 
6408 unwind:
6409 	chip->tag_protocol = old_protocol;
6410 
6411 	mv88e6xxx_reg_lock(chip);
6412 	dsa_switch_for_each_cpu_port_continue_reverse(cpu_dp, ds)
6413 		mv88e6xxx_setup_port_mode(chip, cpu_dp->index);
6414 	mv88e6xxx_reg_unlock(chip);
6415 
6416 	return err;
6417 }
6418 
mv88e6xxx_port_mdb_add(struct dsa_switch * ds,int port,const struct switchdev_obj_port_mdb * mdb,struct dsa_db db)6419 static int mv88e6xxx_port_mdb_add(struct dsa_switch *ds, int port,
6420 				  const struct switchdev_obj_port_mdb *mdb,
6421 				  struct dsa_db db)
6422 {
6423 	struct mv88e6xxx_chip *chip = ds->priv;
6424 	int err;
6425 
6426 	mv88e6xxx_reg_lock(chip);
6427 	err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid,
6428 					   MV88E6XXX_G1_ATU_DATA_STATE_MC_STATIC);
6429 	mv88e6xxx_reg_unlock(chip);
6430 
6431 	return err;
6432 }
6433 
mv88e6xxx_port_mdb_del(struct dsa_switch * ds,int port,const struct switchdev_obj_port_mdb * mdb,struct dsa_db db)6434 static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, int port,
6435 				  const struct switchdev_obj_port_mdb *mdb,
6436 				  struct dsa_db db)
6437 {
6438 	struct mv88e6xxx_chip *chip = ds->priv;
6439 	int err;
6440 
6441 	mv88e6xxx_reg_lock(chip);
6442 	err = mv88e6xxx_port_db_load_purge(chip, port, mdb->addr, mdb->vid, 0);
6443 	mv88e6xxx_reg_unlock(chip);
6444 
6445 	return err;
6446 }
6447 
mv88e6xxx_port_mirror_add(struct dsa_switch * ds,int port,struct dsa_mall_mirror_tc_entry * mirror,bool ingress,struct netlink_ext_ack * extack)6448 static int mv88e6xxx_port_mirror_add(struct dsa_switch *ds, int port,
6449 				     struct dsa_mall_mirror_tc_entry *mirror,
6450 				     bool ingress,
6451 				     struct netlink_ext_ack *extack)
6452 {
6453 	enum mv88e6xxx_egress_direction direction = ingress ?
6454 						MV88E6XXX_EGRESS_DIR_INGRESS :
6455 						MV88E6XXX_EGRESS_DIR_EGRESS;
6456 	struct mv88e6xxx_chip *chip = ds->priv;
6457 	bool other_mirrors = false;
6458 	int i;
6459 	int err;
6460 
6461 	mutex_lock(&chip->reg_lock);
6462 	if ((ingress ? chip->ingress_dest_port : chip->egress_dest_port) !=
6463 	    mirror->to_local_port) {
6464 		for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
6465 			other_mirrors |= ingress ?
6466 					 chip->ports[i].mirror_ingress :
6467 					 chip->ports[i].mirror_egress;
6468 
6469 		/* Can't change egress port when other mirror is active */
6470 		if (other_mirrors) {
6471 			err = -EBUSY;
6472 			goto out;
6473 		}
6474 
6475 		err = mv88e6xxx_set_egress_port(chip, direction,
6476 						mirror->to_local_port);
6477 		if (err)
6478 			goto out;
6479 	}
6480 
6481 	err = mv88e6xxx_port_set_mirror(chip, port, direction, true);
6482 out:
6483 	mutex_unlock(&chip->reg_lock);
6484 
6485 	return err;
6486 }
6487 
mv88e6xxx_port_mirror_del(struct dsa_switch * ds,int port,struct dsa_mall_mirror_tc_entry * mirror)6488 static void mv88e6xxx_port_mirror_del(struct dsa_switch *ds, int port,
6489 				      struct dsa_mall_mirror_tc_entry *mirror)
6490 {
6491 	enum mv88e6xxx_egress_direction direction = mirror->ingress ?
6492 						MV88E6XXX_EGRESS_DIR_INGRESS :
6493 						MV88E6XXX_EGRESS_DIR_EGRESS;
6494 	struct mv88e6xxx_chip *chip = ds->priv;
6495 	bool other_mirrors = false;
6496 	int i;
6497 
6498 	mutex_lock(&chip->reg_lock);
6499 	if (mv88e6xxx_port_set_mirror(chip, port, direction, false))
6500 		dev_err(ds->dev, "p%d: failed to disable mirroring\n", port);
6501 
6502 	for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
6503 		other_mirrors |= mirror->ingress ?
6504 				 chip->ports[i].mirror_ingress :
6505 				 chip->ports[i].mirror_egress;
6506 
6507 	/* Reset egress port when no other mirror is active */
6508 	if (!other_mirrors) {
6509 		if (mv88e6xxx_set_egress_port(chip, direction,
6510 					      dsa_upstream_port(ds, port)))
6511 			dev_err(ds->dev, "failed to set egress port\n");
6512 	}
6513 
6514 	mutex_unlock(&chip->reg_lock);
6515 }
6516 
mv88e6xxx_port_pre_bridge_flags(struct dsa_switch * ds,int port,struct switchdev_brport_flags flags,struct netlink_ext_ack * extack)6517 static int mv88e6xxx_port_pre_bridge_flags(struct dsa_switch *ds, int port,
6518 					   struct switchdev_brport_flags flags,
6519 					   struct netlink_ext_ack *extack)
6520 {
6521 	struct mv88e6xxx_chip *chip = ds->priv;
6522 	const struct mv88e6xxx_ops *ops;
6523 
6524 	if (flags.mask & ~(BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD |
6525 			   BR_BCAST_FLOOD | BR_PORT_LOCKED))
6526 		return -EINVAL;
6527 
6528 	ops = chip->info->ops;
6529 
6530 	if ((flags.mask & BR_FLOOD) && !ops->port_set_ucast_flood)
6531 		return -EINVAL;
6532 
6533 	if ((flags.mask & BR_MCAST_FLOOD) && !ops->port_set_mcast_flood)
6534 		return -EINVAL;
6535 
6536 	return 0;
6537 }
6538 
mv88e6xxx_port_bridge_flags(struct dsa_switch * ds,int port,struct switchdev_brport_flags flags,struct netlink_ext_ack * extack)6539 static int mv88e6xxx_port_bridge_flags(struct dsa_switch *ds, int port,
6540 				       struct switchdev_brport_flags flags,
6541 				       struct netlink_ext_ack *extack)
6542 {
6543 	struct mv88e6xxx_chip *chip = ds->priv;
6544 	int err = -EOPNOTSUPP;
6545 
6546 	mv88e6xxx_reg_lock(chip);
6547 
6548 	if (flags.mask & BR_LEARNING) {
6549 		bool learning = !!(flags.val & BR_LEARNING);
6550 		u16 pav = learning ? (1 << port) : 0;
6551 
6552 		err = mv88e6xxx_port_set_assoc_vector(chip, port, pav);
6553 		if (err)
6554 			goto out;
6555 	}
6556 
6557 	if (flags.mask & BR_FLOOD) {
6558 		bool unicast = !!(flags.val & BR_FLOOD);
6559 
6560 		err = chip->info->ops->port_set_ucast_flood(chip, port,
6561 							    unicast);
6562 		if (err)
6563 			goto out;
6564 	}
6565 
6566 	if (flags.mask & BR_MCAST_FLOOD) {
6567 		bool multicast = !!(flags.val & BR_MCAST_FLOOD);
6568 
6569 		err = chip->info->ops->port_set_mcast_flood(chip, port,
6570 							    multicast);
6571 		if (err)
6572 			goto out;
6573 	}
6574 
6575 	if (flags.mask & BR_BCAST_FLOOD) {
6576 		bool broadcast = !!(flags.val & BR_BCAST_FLOOD);
6577 
6578 		err = mv88e6xxx_port_broadcast_sync(chip, port, broadcast);
6579 		if (err)
6580 			goto out;
6581 	}
6582 
6583 	if (flags.mask & BR_PORT_LOCKED) {
6584 		bool locked = !!(flags.val & BR_PORT_LOCKED);
6585 
6586 		err = mv88e6xxx_port_set_lock(chip, port, locked);
6587 		if (err)
6588 			goto out;
6589 	}
6590 out:
6591 	mv88e6xxx_reg_unlock(chip);
6592 
6593 	return err;
6594 }
6595 
mv88e6xxx_lag_can_offload(struct dsa_switch * ds,struct dsa_lag lag,struct netdev_lag_upper_info * info,struct netlink_ext_ack * extack)6596 static bool mv88e6xxx_lag_can_offload(struct dsa_switch *ds,
6597 				      struct dsa_lag lag,
6598 				      struct netdev_lag_upper_info *info,
6599 				      struct netlink_ext_ack *extack)
6600 {
6601 	struct mv88e6xxx_chip *chip = ds->priv;
6602 	struct dsa_port *dp;
6603 	int members = 0;
6604 
6605 	if (!mv88e6xxx_has_lag(chip)) {
6606 		NL_SET_ERR_MSG_MOD(extack, "Chip does not support LAG offload");
6607 		return false;
6608 	}
6609 
6610 	if (!lag.id)
6611 		return false;
6612 
6613 	dsa_lag_foreach_port(dp, ds->dst, &lag)
6614 		/* Includes the port joining the LAG */
6615 		members++;
6616 
6617 	if (members > 8) {
6618 		NL_SET_ERR_MSG_MOD(extack,
6619 				   "Cannot offload more than 8 LAG ports");
6620 		return false;
6621 	}
6622 
6623 	/* We could potentially relax this to include active
6624 	 * backup in the future.
6625 	 */
6626 	if (info->tx_type != NETDEV_LAG_TX_TYPE_HASH) {
6627 		NL_SET_ERR_MSG_MOD(extack,
6628 				   "Can only offload LAG using hash TX type");
6629 		return false;
6630 	}
6631 
6632 	/* Ideally we would also validate that the hash type matches
6633 	 * the hardware. Alas, this is always set to unknown on team
6634 	 * interfaces.
6635 	 */
6636 	return true;
6637 }
6638 
mv88e6xxx_lag_sync_map(struct dsa_switch * ds,struct dsa_lag lag)6639 static int mv88e6xxx_lag_sync_map(struct dsa_switch *ds, struct dsa_lag lag)
6640 {
6641 	struct mv88e6xxx_chip *chip = ds->priv;
6642 	struct dsa_port *dp;
6643 	u16 map = 0;
6644 	int id;
6645 
6646 	/* DSA LAG IDs are one-based, hardware is zero-based */
6647 	id = lag.id - 1;
6648 
6649 	/* Build the map of all ports to distribute flows destined for
6650 	 * this LAG. This can be either a local user port, or a DSA
6651 	 * port if the LAG port is on a remote chip.
6652 	 */
6653 	dsa_lag_foreach_port(dp, ds->dst, &lag)
6654 		map |= BIT(dsa_towards_port(ds, dp->ds->index, dp->index));
6655 
6656 	return mv88e6xxx_g2_trunk_mapping_write(chip, id, map);
6657 }
6658 
6659 static const u8 mv88e6xxx_lag_mask_table[8][8] = {
6660 	/* Row number corresponds to the number of active members in a
6661 	 * LAG. Each column states which of the eight hash buckets are
6662 	 * mapped to the column:th port in the LAG.
6663 	 *
6664 	 * Example: In a LAG with three active ports, the second port
6665 	 * ([2][1]) would be selected for traffic mapped to buckets
6666 	 * 3,4,5 (0x38).
6667 	 */
6668 	{ 0xff,    0,    0,    0,    0,    0,    0,    0 },
6669 	{ 0x0f, 0xf0,    0,    0,    0,    0,    0,    0 },
6670 	{ 0x07, 0x38, 0xc0,    0,    0,    0,    0,    0 },
6671 	{ 0x03, 0x0c, 0x30, 0xc0,    0,    0,    0,    0 },
6672 	{ 0x03, 0x0c, 0x30, 0x40, 0x80,    0,    0,    0 },
6673 	{ 0x03, 0x0c, 0x10, 0x20, 0x40, 0x80,    0,    0 },
6674 	{ 0x03, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,    0 },
6675 	{ 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 },
6676 };
6677 
mv88e6xxx_lag_set_port_mask(u16 * mask,int port,int num_tx,int nth)6678 static void mv88e6xxx_lag_set_port_mask(u16 *mask, int port,
6679 					int num_tx, int nth)
6680 {
6681 	u8 active = 0;
6682 	int i;
6683 
6684 	num_tx = num_tx <= 8 ? num_tx : 8;
6685 	if (nth < num_tx)
6686 		active = mv88e6xxx_lag_mask_table[num_tx - 1][nth];
6687 
6688 	for (i = 0; i < 8; i++) {
6689 		if (BIT(i) & active)
6690 			mask[i] |= BIT(port);
6691 	}
6692 }
6693 
mv88e6xxx_lag_sync_masks(struct dsa_switch * ds)6694 static int mv88e6xxx_lag_sync_masks(struct dsa_switch *ds)
6695 {
6696 	struct mv88e6xxx_chip *chip = ds->priv;
6697 	unsigned int id, num_tx;
6698 	struct dsa_port *dp;
6699 	struct dsa_lag *lag;
6700 	int i, err, nth;
6701 	u16 mask[8];
6702 	u16 ivec;
6703 
6704 	/* Assume no port is a member of any LAG. */
6705 	ivec = BIT(mv88e6xxx_num_ports(chip)) - 1;
6706 
6707 	/* Disable all masks for ports that _are_ members of a LAG. */
6708 	dsa_switch_for_each_port(dp, ds) {
6709 		if (!dp->lag)
6710 			continue;
6711 
6712 		ivec &= ~BIT(dp->index);
6713 	}
6714 
6715 	for (i = 0; i < 8; i++)
6716 		mask[i] = ivec;
6717 
6718 	/* Enable the correct subset of masks for all LAG ports that
6719 	 * are in the Tx set.
6720 	 */
6721 	dsa_lags_foreach_id(id, ds->dst) {
6722 		lag = dsa_lag_by_id(ds->dst, id);
6723 		if (!lag)
6724 			continue;
6725 
6726 		num_tx = 0;
6727 		dsa_lag_foreach_port(dp, ds->dst, lag) {
6728 			if (dp->lag_tx_enabled)
6729 				num_tx++;
6730 		}
6731 
6732 		if (!num_tx)
6733 			continue;
6734 
6735 		nth = 0;
6736 		dsa_lag_foreach_port(dp, ds->dst, lag) {
6737 			if (!dp->lag_tx_enabled)
6738 				continue;
6739 
6740 			if (dp->ds == ds)
6741 				mv88e6xxx_lag_set_port_mask(mask, dp->index,
6742 							    num_tx, nth);
6743 
6744 			nth++;
6745 		}
6746 	}
6747 
6748 	for (i = 0; i < 8; i++) {
6749 		err = mv88e6xxx_g2_trunk_mask_write(chip, i, true, mask[i]);
6750 		if (err)
6751 			return err;
6752 	}
6753 
6754 	return 0;
6755 }
6756 
mv88e6xxx_lag_sync_masks_map(struct dsa_switch * ds,struct dsa_lag lag)6757 static int mv88e6xxx_lag_sync_masks_map(struct dsa_switch *ds,
6758 					struct dsa_lag lag)
6759 {
6760 	int err;
6761 
6762 	err = mv88e6xxx_lag_sync_masks(ds);
6763 
6764 	if (!err)
6765 		err = mv88e6xxx_lag_sync_map(ds, lag);
6766 
6767 	return err;
6768 }
6769 
mv88e6xxx_port_lag_change(struct dsa_switch * ds,int port)6770 static int mv88e6xxx_port_lag_change(struct dsa_switch *ds, int port)
6771 {
6772 	struct mv88e6xxx_chip *chip = ds->priv;
6773 	int err;
6774 
6775 	mv88e6xxx_reg_lock(chip);
6776 	err = mv88e6xxx_lag_sync_masks(ds);
6777 	mv88e6xxx_reg_unlock(chip);
6778 	return err;
6779 }
6780 
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)6781 static int mv88e6xxx_port_lag_join(struct dsa_switch *ds, int port,
6782 				   struct dsa_lag lag,
6783 				   struct netdev_lag_upper_info *info,
6784 				   struct netlink_ext_ack *extack)
6785 {
6786 	struct mv88e6xxx_chip *chip = ds->priv;
6787 	int err, id;
6788 
6789 	if (!mv88e6xxx_lag_can_offload(ds, lag, info, extack))
6790 		return -EOPNOTSUPP;
6791 
6792 	/* DSA LAG IDs are one-based */
6793 	id = lag.id - 1;
6794 
6795 	mv88e6xxx_reg_lock(chip);
6796 
6797 	err = mv88e6xxx_port_set_trunk(chip, port, true, id);
6798 	if (err)
6799 		goto err_unlock;
6800 
6801 	err = mv88e6xxx_lag_sync_masks_map(ds, lag);
6802 	if (err)
6803 		goto err_clear_trunk;
6804 
6805 	mv88e6xxx_reg_unlock(chip);
6806 	return 0;
6807 
6808 err_clear_trunk:
6809 	mv88e6xxx_port_set_trunk(chip, port, false, 0);
6810 err_unlock:
6811 	mv88e6xxx_reg_unlock(chip);
6812 	return err;
6813 }
6814 
mv88e6xxx_port_lag_leave(struct dsa_switch * ds,int port,struct dsa_lag lag)6815 static int mv88e6xxx_port_lag_leave(struct dsa_switch *ds, int port,
6816 				    struct dsa_lag lag)
6817 {
6818 	struct mv88e6xxx_chip *chip = ds->priv;
6819 	int err_sync, err_trunk;
6820 
6821 	mv88e6xxx_reg_lock(chip);
6822 	err_sync = mv88e6xxx_lag_sync_masks_map(ds, lag);
6823 	err_trunk = mv88e6xxx_port_set_trunk(chip, port, false, 0);
6824 	mv88e6xxx_reg_unlock(chip);
6825 	return err_sync ? : err_trunk;
6826 }
6827 
mv88e6xxx_crosschip_lag_change(struct dsa_switch * ds,int sw_index,int port)6828 static int mv88e6xxx_crosschip_lag_change(struct dsa_switch *ds, int sw_index,
6829 					  int port)
6830 {
6831 	struct mv88e6xxx_chip *chip = ds->priv;
6832 	int err;
6833 
6834 	mv88e6xxx_reg_lock(chip);
6835 	err = mv88e6xxx_lag_sync_masks(ds);
6836 	mv88e6xxx_reg_unlock(chip);
6837 	return err;
6838 }
6839 
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)6840 static int mv88e6xxx_crosschip_lag_join(struct dsa_switch *ds, int sw_index,
6841 					int port, struct dsa_lag lag,
6842 					struct netdev_lag_upper_info *info,
6843 					struct netlink_ext_ack *extack)
6844 {
6845 	struct mv88e6xxx_chip *chip = ds->priv;
6846 	int err;
6847 
6848 	if (!mv88e6xxx_lag_can_offload(ds, lag, info, extack))
6849 		return -EOPNOTSUPP;
6850 
6851 	mv88e6xxx_reg_lock(chip);
6852 
6853 	err = mv88e6xxx_lag_sync_masks_map(ds, lag);
6854 	if (err)
6855 		goto unlock;
6856 
6857 	err = mv88e6xxx_pvt_map(chip, sw_index, port);
6858 
6859 unlock:
6860 	mv88e6xxx_reg_unlock(chip);
6861 	return err;
6862 }
6863 
mv88e6xxx_crosschip_lag_leave(struct dsa_switch * ds,int sw_index,int port,struct dsa_lag lag)6864 static int mv88e6xxx_crosschip_lag_leave(struct dsa_switch *ds, int sw_index,
6865 					 int port, struct dsa_lag lag)
6866 {
6867 	struct mv88e6xxx_chip *chip = ds->priv;
6868 	int err_sync, err_pvt;
6869 
6870 	mv88e6xxx_reg_lock(chip);
6871 	err_sync = mv88e6xxx_lag_sync_masks_map(ds, lag);
6872 	err_pvt = mv88e6xxx_pvt_map(chip, sw_index, port);
6873 	mv88e6xxx_reg_unlock(chip);
6874 	return err_sync ? : err_pvt;
6875 }
6876 
6877 static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
6878 	.get_tag_protocol	= mv88e6xxx_get_tag_protocol,
6879 	.change_tag_protocol	= mv88e6xxx_change_tag_protocol,
6880 	.setup			= mv88e6xxx_setup,
6881 	.teardown		= mv88e6xxx_teardown,
6882 	.port_setup		= mv88e6xxx_port_setup,
6883 	.port_teardown		= mv88e6xxx_port_teardown,
6884 	.phylink_get_caps	= mv88e6xxx_get_caps,
6885 	.phylink_mac_link_state	= mv88e6xxx_serdes_pcs_get_state,
6886 	.phylink_mac_config	= mv88e6xxx_mac_config,
6887 	.phylink_mac_an_restart	= mv88e6xxx_serdes_pcs_an_restart,
6888 	.phylink_mac_link_down	= mv88e6xxx_mac_link_down,
6889 	.phylink_mac_link_up	= mv88e6xxx_mac_link_up,
6890 	.get_strings		= mv88e6xxx_get_strings,
6891 	.get_ethtool_stats	= mv88e6xxx_get_ethtool_stats,
6892 	.get_sset_count		= mv88e6xxx_get_sset_count,
6893 	.port_enable		= mv88e6xxx_port_enable,
6894 	.port_disable		= mv88e6xxx_port_disable,
6895 	.port_max_mtu		= mv88e6xxx_get_max_mtu,
6896 	.port_change_mtu	= mv88e6xxx_change_mtu,
6897 	.get_mac_eee		= mv88e6xxx_get_mac_eee,
6898 	.set_mac_eee		= mv88e6xxx_set_mac_eee,
6899 	.get_eeprom_len		= mv88e6xxx_get_eeprom_len,
6900 	.get_eeprom		= mv88e6xxx_get_eeprom,
6901 	.set_eeprom		= mv88e6xxx_set_eeprom,
6902 	.get_regs_len		= mv88e6xxx_get_regs_len,
6903 	.get_regs		= mv88e6xxx_get_regs,
6904 	.get_rxnfc		= mv88e6xxx_get_rxnfc,
6905 	.set_rxnfc		= mv88e6xxx_set_rxnfc,
6906 	.set_ageing_time	= mv88e6xxx_set_ageing_time,
6907 	.port_bridge_join	= mv88e6xxx_port_bridge_join,
6908 	.port_bridge_leave	= mv88e6xxx_port_bridge_leave,
6909 	.port_pre_bridge_flags	= mv88e6xxx_port_pre_bridge_flags,
6910 	.port_bridge_flags	= mv88e6xxx_port_bridge_flags,
6911 	.port_stp_state_set	= mv88e6xxx_port_stp_state_set,
6912 	.port_mst_state_set	= mv88e6xxx_port_mst_state_set,
6913 	.port_fast_age		= mv88e6xxx_port_fast_age,
6914 	.port_vlan_fast_age	= mv88e6xxx_port_vlan_fast_age,
6915 	.port_vlan_filtering	= mv88e6xxx_port_vlan_filtering,
6916 	.port_vlan_add		= mv88e6xxx_port_vlan_add,
6917 	.port_vlan_del		= mv88e6xxx_port_vlan_del,
6918 	.vlan_msti_set		= mv88e6xxx_vlan_msti_set,
6919 	.port_fdb_add		= mv88e6xxx_port_fdb_add,
6920 	.port_fdb_del		= mv88e6xxx_port_fdb_del,
6921 	.port_fdb_dump		= mv88e6xxx_port_fdb_dump,
6922 	.port_mdb_add		= mv88e6xxx_port_mdb_add,
6923 	.port_mdb_del		= mv88e6xxx_port_mdb_del,
6924 	.port_mirror_add	= mv88e6xxx_port_mirror_add,
6925 	.port_mirror_del	= mv88e6xxx_port_mirror_del,
6926 	.crosschip_bridge_join	= mv88e6xxx_crosschip_bridge_join,
6927 	.crosschip_bridge_leave	= mv88e6xxx_crosschip_bridge_leave,
6928 	.port_hwtstamp_set	= mv88e6xxx_port_hwtstamp_set,
6929 	.port_hwtstamp_get	= mv88e6xxx_port_hwtstamp_get,
6930 	.port_txtstamp		= mv88e6xxx_port_txtstamp,
6931 	.port_rxtstamp		= mv88e6xxx_port_rxtstamp,
6932 	.get_ts_info		= mv88e6xxx_get_ts_info,
6933 	.devlink_param_get	= mv88e6xxx_devlink_param_get,
6934 	.devlink_param_set	= mv88e6xxx_devlink_param_set,
6935 	.devlink_info_get	= mv88e6xxx_devlink_info_get,
6936 	.port_lag_change	= mv88e6xxx_port_lag_change,
6937 	.port_lag_join		= mv88e6xxx_port_lag_join,
6938 	.port_lag_leave		= mv88e6xxx_port_lag_leave,
6939 	.crosschip_lag_change	= mv88e6xxx_crosschip_lag_change,
6940 	.crosschip_lag_join	= mv88e6xxx_crosschip_lag_join,
6941 	.crosschip_lag_leave	= mv88e6xxx_crosschip_lag_leave,
6942 };
6943 
mv88e6xxx_register_switch(struct mv88e6xxx_chip * chip)6944 static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip)
6945 {
6946 	struct device *dev = chip->dev;
6947 	struct dsa_switch *ds;
6948 
6949 	ds = devm_kzalloc(dev, sizeof(*ds), GFP_KERNEL);
6950 	if (!ds)
6951 		return -ENOMEM;
6952 
6953 	ds->dev = dev;
6954 	ds->num_ports = mv88e6xxx_num_ports(chip);
6955 	ds->priv = chip;
6956 	ds->dev = dev;
6957 	ds->ops = &mv88e6xxx_switch_ops;
6958 	ds->ageing_time_min = chip->info->age_time_coeff;
6959 	ds->ageing_time_max = chip->info->age_time_coeff * U8_MAX;
6960 
6961 	/* Some chips support up to 32, but that requires enabling the
6962 	 * 5-bit port mode, which we do not support. 640k^W16 ought to
6963 	 * be enough for anyone.
6964 	 */
6965 	ds->num_lag_ids = mv88e6xxx_has_lag(chip) ? 16 : 0;
6966 
6967 	dev_set_drvdata(dev, ds);
6968 
6969 	return dsa_register_switch(ds);
6970 }
6971 
mv88e6xxx_unregister_switch(struct mv88e6xxx_chip * chip)6972 static void mv88e6xxx_unregister_switch(struct mv88e6xxx_chip *chip)
6973 {
6974 	dsa_unregister_switch(chip->ds);
6975 }
6976 
pdata_device_get_match_data(struct device * dev)6977 static const void *pdata_device_get_match_data(struct device *dev)
6978 {
6979 	const struct of_device_id *matches = dev->driver->of_match_table;
6980 	const struct dsa_mv88e6xxx_pdata *pdata = dev->platform_data;
6981 
6982 	for (; matches->name[0] || matches->type[0] || matches->compatible[0];
6983 	     matches++) {
6984 		if (!strcmp(pdata->compatible, matches->compatible))
6985 			return matches->data;
6986 	}
6987 	return NULL;
6988 }
6989 
6990 /* There is no suspend to RAM support at DSA level yet, the switch configuration
6991  * would be lost after a power cycle so prevent it to be suspended.
6992  */
mv88e6xxx_suspend(struct device * dev)6993 static int __maybe_unused mv88e6xxx_suspend(struct device *dev)
6994 {
6995 	return -EOPNOTSUPP;
6996 }
6997 
mv88e6xxx_resume(struct device * dev)6998 static int __maybe_unused mv88e6xxx_resume(struct device *dev)
6999 {
7000 	return 0;
7001 }
7002 
7003 static SIMPLE_DEV_PM_OPS(mv88e6xxx_pm_ops, mv88e6xxx_suspend, mv88e6xxx_resume);
7004 
mv88e6xxx_probe(struct mdio_device * mdiodev)7005 static int mv88e6xxx_probe(struct mdio_device *mdiodev)
7006 {
7007 	struct dsa_mv88e6xxx_pdata *pdata = mdiodev->dev.platform_data;
7008 	const struct mv88e6xxx_info *compat_info = NULL;
7009 	struct device *dev = &mdiodev->dev;
7010 	struct device_node *np = dev->of_node;
7011 	struct mv88e6xxx_chip *chip;
7012 	int port;
7013 	int err;
7014 
7015 	if (!np && !pdata)
7016 		return -EINVAL;
7017 
7018 	if (np)
7019 		compat_info = of_device_get_match_data(dev);
7020 
7021 	if (pdata) {
7022 		compat_info = pdata_device_get_match_data(dev);
7023 
7024 		if (!pdata->netdev)
7025 			return -EINVAL;
7026 
7027 		for (port = 0; port < DSA_MAX_PORTS; port++) {
7028 			if (!(pdata->enabled_ports & (1 << port)))
7029 				continue;
7030 			if (strcmp(pdata->cd.port_names[port], "cpu"))
7031 				continue;
7032 			pdata->cd.netdev[port] = &pdata->netdev->dev;
7033 			break;
7034 		}
7035 	}
7036 
7037 	if (!compat_info)
7038 		return -EINVAL;
7039 
7040 	chip = mv88e6xxx_alloc_chip(dev);
7041 	if (!chip) {
7042 		err = -ENOMEM;
7043 		goto out;
7044 	}
7045 
7046 	chip->info = compat_info;
7047 
7048 	chip->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
7049 	if (IS_ERR(chip->reset)) {
7050 		err = PTR_ERR(chip->reset);
7051 		goto out;
7052 	}
7053 	if (chip->reset)
7054 		usleep_range(1000, 2000);
7055 
7056 	/* Detect if the device is configured in single chip addressing mode,
7057 	 * otherwise continue with address specific smi init/detection.
7058 	 */
7059 	err = mv88e6xxx_single_chip_detect(chip, mdiodev);
7060 	if (err) {
7061 		err = mv88e6xxx_smi_init(chip, mdiodev->bus, mdiodev->addr);
7062 		if (err)
7063 			goto out;
7064 
7065 		err = mv88e6xxx_detect(chip);
7066 		if (err)
7067 			goto out;
7068 	}
7069 
7070 	if (chip->info->edsa_support == MV88E6XXX_EDSA_SUPPORTED)
7071 		chip->tag_protocol = DSA_TAG_PROTO_EDSA;
7072 	else
7073 		chip->tag_protocol = DSA_TAG_PROTO_DSA;
7074 
7075 	mv88e6xxx_phy_init(chip);
7076 
7077 	if (chip->info->ops->get_eeprom) {
7078 		if (np)
7079 			of_property_read_u32(np, "eeprom-length",
7080 					     &chip->eeprom_len);
7081 		else
7082 			chip->eeprom_len = pdata->eeprom_len;
7083 	}
7084 
7085 	mv88e6xxx_reg_lock(chip);
7086 	err = mv88e6xxx_switch_reset(chip);
7087 	mv88e6xxx_reg_unlock(chip);
7088 	if (err)
7089 		goto out;
7090 
7091 	if (np) {
7092 		chip->irq = of_irq_get(np, 0);
7093 		if (chip->irq == -EPROBE_DEFER) {
7094 			err = chip->irq;
7095 			goto out;
7096 		}
7097 	}
7098 
7099 	if (pdata)
7100 		chip->irq = pdata->irq;
7101 
7102 	/* Has to be performed before the MDIO bus is created, because
7103 	 * the PHYs will link their interrupts to these interrupt
7104 	 * controllers
7105 	 */
7106 	mv88e6xxx_reg_lock(chip);
7107 	if (chip->irq > 0)
7108 		err = mv88e6xxx_g1_irq_setup(chip);
7109 	else
7110 		err = mv88e6xxx_irq_poll_setup(chip);
7111 	mv88e6xxx_reg_unlock(chip);
7112 
7113 	if (err)
7114 		goto out;
7115 
7116 	if (chip->info->g2_irqs > 0) {
7117 		err = mv88e6xxx_g2_irq_setup(chip);
7118 		if (err)
7119 			goto out_g1_irq;
7120 	}
7121 
7122 	err = mv88e6xxx_g1_atu_prob_irq_setup(chip);
7123 	if (err)
7124 		goto out_g2_irq;
7125 
7126 	err = mv88e6xxx_g1_vtu_prob_irq_setup(chip);
7127 	if (err)
7128 		goto out_g1_atu_prob_irq;
7129 
7130 	err = mv88e6xxx_mdios_register(chip, np);
7131 	if (err)
7132 		goto out_g1_vtu_prob_irq;
7133 
7134 	err = mv88e6xxx_register_switch(chip);
7135 	if (err)
7136 		goto out_mdio;
7137 
7138 	return 0;
7139 
7140 out_mdio:
7141 	mv88e6xxx_mdios_unregister(chip);
7142 out_g1_vtu_prob_irq:
7143 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
7144 out_g1_atu_prob_irq:
7145 	mv88e6xxx_g1_atu_prob_irq_free(chip);
7146 out_g2_irq:
7147 	if (chip->info->g2_irqs > 0)
7148 		mv88e6xxx_g2_irq_free(chip);
7149 out_g1_irq:
7150 	if (chip->irq > 0)
7151 		mv88e6xxx_g1_irq_free(chip);
7152 	else
7153 		mv88e6xxx_irq_poll_free(chip);
7154 out:
7155 	if (pdata)
7156 		dev_put(pdata->netdev);
7157 
7158 	return err;
7159 }
7160 
mv88e6xxx_remove(struct mdio_device * mdiodev)7161 static void mv88e6xxx_remove(struct mdio_device *mdiodev)
7162 {
7163 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
7164 	struct mv88e6xxx_chip *chip;
7165 
7166 	if (!ds)
7167 		return;
7168 
7169 	chip = ds->priv;
7170 
7171 	if (chip->info->ptp_support) {
7172 		mv88e6xxx_hwtstamp_free(chip);
7173 		mv88e6xxx_ptp_free(chip);
7174 	}
7175 
7176 	mv88e6xxx_phy_destroy(chip);
7177 	mv88e6xxx_unregister_switch(chip);
7178 	mv88e6xxx_mdios_unregister(chip);
7179 
7180 	mv88e6xxx_g1_vtu_prob_irq_free(chip);
7181 	mv88e6xxx_g1_atu_prob_irq_free(chip);
7182 
7183 	if (chip->info->g2_irqs > 0)
7184 		mv88e6xxx_g2_irq_free(chip);
7185 
7186 	if (chip->irq > 0)
7187 		mv88e6xxx_g1_irq_free(chip);
7188 	else
7189 		mv88e6xxx_irq_poll_free(chip);
7190 }
7191 
mv88e6xxx_shutdown(struct mdio_device * mdiodev)7192 static void mv88e6xxx_shutdown(struct mdio_device *mdiodev)
7193 {
7194 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
7195 
7196 	if (!ds)
7197 		return;
7198 
7199 	dsa_switch_shutdown(ds);
7200 
7201 	dev_set_drvdata(&mdiodev->dev, NULL);
7202 }
7203 
7204 static const struct of_device_id mv88e6xxx_of_match[] = {
7205 	{
7206 		.compatible = "marvell,mv88e6085",
7207 		.data = &mv88e6xxx_table[MV88E6085],
7208 	},
7209 	{
7210 		.compatible = "marvell,mv88e6190",
7211 		.data = &mv88e6xxx_table[MV88E6190],
7212 	},
7213 	{
7214 		.compatible = "marvell,mv88e6250",
7215 		.data = &mv88e6xxx_table[MV88E6250],
7216 	},
7217 	{ /* sentinel */ },
7218 };
7219 
7220 MODULE_DEVICE_TABLE(of, mv88e6xxx_of_match);
7221 
7222 static struct mdio_driver mv88e6xxx_driver = {
7223 	.probe	= mv88e6xxx_probe,
7224 	.remove = mv88e6xxx_remove,
7225 	.shutdown = mv88e6xxx_shutdown,
7226 	.mdiodrv.driver = {
7227 		.name = "mv88e6085",
7228 		.of_match_table = mv88e6xxx_of_match,
7229 		.pm = &mv88e6xxx_pm_ops,
7230 	},
7231 };
7232 
7233 mdio_module_driver(mv88e6xxx_driver);
7234 
7235 MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>");
7236 MODULE_DESCRIPTION("Driver for Marvell 88E6XXX ethernet switch chips");
7237 MODULE_LICENSE("GPL");
7238