xref: /openbmc/u-boot/drivers/net/vsc9953.c (revision ce50916c)
1 /*
2  *  Copyright 2014 - 2015 Freescale Semiconductor, Inc.
3  *
4  *  SPDX-License-Identifier:      GPL-2.0+
5  *
6  *  Driver for the Vitesse VSC9953 L2 Switch
7  */
8 
9 #include <asm/io.h>
10 #include <asm/fsl_serdes.h>
11 #include <fm_eth.h>
12 #include <fsl_memac.h>
13 #include <bitfield.h>
14 #include <errno.h>
15 #include <malloc.h>
16 #include <vsc9953.h>
17 #include <ethsw.h>
18 
19 static struct vsc9953_info vsc9953_l2sw = {
20 		.port[0] = VSC9953_PORT_INFO_INITIALIZER(0),
21 		.port[1] = VSC9953_PORT_INFO_INITIALIZER(1),
22 		.port[2] = VSC9953_PORT_INFO_INITIALIZER(2),
23 		.port[3] = VSC9953_PORT_INFO_INITIALIZER(3),
24 		.port[4] = VSC9953_PORT_INFO_INITIALIZER(4),
25 		.port[5] = VSC9953_PORT_INFO_INITIALIZER(5),
26 		.port[6] = VSC9953_PORT_INFO_INITIALIZER(6),
27 		.port[7] = VSC9953_PORT_INFO_INITIALIZER(7),
28 		.port[8] = VSC9953_PORT_INFO_INITIALIZER(8),
29 		.port[9] = VSC9953_PORT_INFO_INITIALIZER(9),
30 };
31 
32 void vsc9953_port_info_set_mdio(int port_no, struct mii_dev *bus)
33 {
34 	if (!VSC9953_PORT_CHECK(port_no))
35 		return;
36 
37 	vsc9953_l2sw.port[port_no].bus = bus;
38 }
39 
40 void vsc9953_port_info_set_phy_address(int port_no, int address)
41 {
42 	if (!VSC9953_PORT_CHECK(port_no))
43 		return;
44 
45 	vsc9953_l2sw.port[port_no].phyaddr = address;
46 }
47 
48 void vsc9953_port_info_set_phy_int(int port_no, phy_interface_t phy_int)
49 {
50 	if (!VSC9953_PORT_CHECK(port_no))
51 		return;
52 
53 	vsc9953_l2sw.port[port_no].enet_if = phy_int;
54 }
55 
56 void vsc9953_port_enable(int port_no)
57 {
58 	if (!VSC9953_PORT_CHECK(port_no))
59 		return;
60 
61 	vsc9953_l2sw.port[port_no].enabled = 1;
62 }
63 
64 void vsc9953_port_disable(int port_no)
65 {
66 	if (!VSC9953_PORT_CHECK(port_no))
67 		return;
68 
69 	vsc9953_l2sw.port[port_no].enabled = 0;
70 }
71 
72 static void vsc9953_mdio_write(struct vsc9953_mii_mng *phyregs, int port_addr,
73 		int regnum, int value)
74 {
75 	int timeout = 50000;
76 
77 	out_le32(&phyregs->miimcmd, (0x1 << 31) | ((port_addr & 0x1f) << 25) |
78 			((regnum & 0x1f) << 20) | ((value & 0xffff) << 4) |
79 			(0x1 << 1));
80 	asm("sync");
81 
82 	while ((in_le32(&phyregs->miimstatus) & 0x8) && --timeout)
83 		udelay(1);
84 
85 	if (timeout == 0)
86 		debug("Timeout waiting for MDIO write\n");
87 }
88 
89 static int vsc9953_mdio_read(struct vsc9953_mii_mng *phyregs, int port_addr,
90 		int regnum)
91 {
92 	int value = 0xFFFF;
93 	int timeout = 50000;
94 
95 	while ((in_le32(&phyregs->miimstatus) & MIIMIND_OPR_PEND) && --timeout)
96 		udelay(1);
97 	if (timeout == 0) {
98 		debug("Timeout waiting for MDIO operation to finish\n");
99 		return value;
100 	}
101 
102 	/* Put the address of the phy, and the register
103 	 * number into MIICMD
104 	 */
105 	out_le32(&phyregs->miimcmd, (0x1 << 31) | ((port_addr & 0x1f) << 25) |
106 			((regnum & 0x1f) << 20) | ((value & 0xffff) << 4) |
107 			(0x2 << 1));
108 
109 	timeout = 50000;
110 	/* Wait for the the indication that the read is done */
111 	while ((in_le32(&phyregs->miimstatus) & 0x8) && --timeout)
112 		udelay(1);
113 	if (timeout == 0)
114 		debug("Timeout waiting for MDIO read\n");
115 
116 	/* Grab the value read from the PHY */
117 	value = in_le32(&phyregs->miimdata);
118 
119 	if ((value & 0x00030000) == 0)
120 		return value & 0x0000ffff;
121 
122 	return value;
123 }
124 
125 static int init_phy(struct eth_device *dev)
126 {
127 	struct vsc9953_port_info *l2sw_port = dev->priv;
128 	struct phy_device *phydev = NULL;
129 
130 #ifdef CONFIG_PHYLIB
131 	if (!l2sw_port->bus)
132 		return 0;
133 	phydev = phy_connect(l2sw_port->bus, l2sw_port->phyaddr, dev,
134 			l2sw_port->enet_if);
135 	if (!phydev) {
136 		printf("Failed to connect\n");
137 		return -1;
138 	}
139 
140 	phydev->supported &= SUPPORTED_10baseT_Half |
141 			SUPPORTED_10baseT_Full |
142 			SUPPORTED_100baseT_Half |
143 			SUPPORTED_100baseT_Full |
144 			SUPPORTED_1000baseT_Full;
145 	phydev->advertising = phydev->supported;
146 
147 	l2sw_port->phydev = phydev;
148 
149 	phy_config(phydev);
150 #endif
151 
152 	return 0;
153 }
154 
155 static int vsc9953_port_init(int port_no)
156 {
157 	struct eth_device *dev;
158 
159 	/* Internal ports never have a PHY */
160 	if (VSC9953_INTERNAL_PORT_CHECK(port_no))
161 		return 0;
162 
163 	/* alloc eth device */
164 	dev = (struct eth_device *)calloc(1, sizeof(struct eth_device));
165 	if (!dev)
166 		return -ENOMEM;
167 
168 	sprintf(dev->name, "SW@PORT%d", port_no);
169 	dev->priv = &vsc9953_l2sw.port[port_no];
170 	dev->init = NULL;
171 	dev->halt = NULL;
172 	dev->send = NULL;
173 	dev->recv = NULL;
174 
175 	if (init_phy(dev)) {
176 		free(dev);
177 		return -ENODEV;
178 	}
179 
180 	return 0;
181 }
182 
183 static int vsc9953_vlan_table_poll_idle(void)
184 {
185 	struct vsc9953_analyzer *l2ana_reg;
186 	int timeout;
187 
188 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
189 			VSC9953_ANA_OFFSET);
190 
191 	timeout = 50000;
192 	while (((in_le32(&l2ana_reg->ana_tables.vlan_access) &
193 		 VSC9953_VLAN_CMD_MASK) != VSC9953_VLAN_CMD_IDLE) && --timeout)
194 		udelay(1);
195 
196 	return timeout ? 0 : -EBUSY;
197 }
198 
199 #ifdef CONFIG_CMD_ETHSW
200 /* Add/remove a port to/from a VLAN */
201 static void vsc9953_vlan_table_membership_set(int vid, u32 port_no, u8 add)
202 {
203 	u32 val;
204 	struct vsc9953_analyzer *l2ana_reg;
205 
206 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
207 			VSC9953_ANA_OFFSET);
208 
209 	if (vsc9953_vlan_table_poll_idle() < 0) {
210 		debug("VLAN table timeout\n");
211 		return;
212 	}
213 
214 	val = in_le32(&l2ana_reg->ana_tables.vlan_tidx);
215 	val = bitfield_replace_by_mask(val, VSC9953_ANA_TBL_VID_MASK, vid);
216 	out_le32(&l2ana_reg->ana_tables.vlan_tidx, val);
217 
218 	clrsetbits_le32(&l2ana_reg->ana_tables.vlan_access,
219 			VSC9953_VLAN_CMD_MASK, VSC9953_VLAN_CMD_READ);
220 
221 	if (vsc9953_vlan_table_poll_idle() < 0) {
222 		debug("VLAN table timeout\n");
223 		return;
224 	}
225 
226 	val = in_le32(&l2ana_reg->ana_tables.vlan_tidx);
227 	val = bitfield_replace_by_mask(val, VSC9953_ANA_TBL_VID_MASK, vid);
228 	out_le32(&l2ana_reg->ana_tables.vlan_tidx, val);
229 
230 	val = in_le32(&l2ana_reg->ana_tables.vlan_access);
231 	if (!add) {
232 		val = bitfield_replace_by_mask(val, VSC9953_VLAN_CMD_MASK,
233 						VSC9953_VLAN_CMD_WRITE) &
234 		      ~(bitfield_replace_by_mask(0, VSC9953_VLAN_PORT_MASK,
235 						 (1 << port_no)));
236 		 ;
237 	} else {
238 		val = bitfield_replace_by_mask(val, VSC9953_VLAN_CMD_MASK,
239 						VSC9953_VLAN_CMD_WRITE) |
240 		      bitfield_replace_by_mask(0, VSC9953_VLAN_PORT_MASK,
241 					       (1 << port_no));
242 	}
243 	out_le32(&l2ana_reg->ana_tables.vlan_access, val);
244 
245 	/* wait for VLAN table command to flush */
246 	if (vsc9953_vlan_table_poll_idle() < 0) {
247 		debug("VLAN table timeout\n");
248 		return;
249 	}
250 }
251 
252 /* show VLAN membership for a port */
253 static void vsc9953_vlan_membership_show(int port_no)
254 {
255 	u32 val;
256 	struct vsc9953_analyzer *l2ana_reg;
257 	u32 vid;
258 
259 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
260 			VSC9953_ANA_OFFSET);
261 
262 	printf("Port %d VLAN membership: ", port_no);
263 
264 	for (vid = 0; vid < VSC9953_MAX_VLAN; vid++) {
265 		if (vsc9953_vlan_table_poll_idle() < 0) {
266 			debug("VLAN table timeout\n");
267 			return;
268 		}
269 
270 		val = in_le32(&l2ana_reg->ana_tables.vlan_tidx);
271 		val = bitfield_replace_by_mask(val, VSC9953_ANA_TBL_VID_MASK,
272 					       vid);
273 		out_le32(&l2ana_reg->ana_tables.vlan_tidx, val);
274 
275 		clrsetbits_le32(&l2ana_reg->ana_tables.vlan_access,
276 				VSC9953_VLAN_CMD_MASK, VSC9953_VLAN_CMD_READ);
277 
278 		if (vsc9953_vlan_table_poll_idle() < 0) {
279 			debug("VLAN table timeout\n");
280 			return;
281 		}
282 
283 		val = in_le32(&l2ana_reg->ana_tables.vlan_access);
284 
285 		if (bitfield_extract_by_mask(val, VSC9953_VLAN_PORT_MASK) &
286 		    (1 << port_no))
287 			printf("%d ", vid);
288 	}
289 	printf("\n");
290 }
291 #endif
292 
293 /* vlan table set/clear all membership of vid */
294 static void vsc9953_vlan_table_membership_all_set(int vid, int set_member)
295 {
296 	uint val;
297 	struct vsc9953_analyzer *l2ana_reg;
298 
299 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
300 			VSC9953_ANA_OFFSET);
301 
302 	if (vsc9953_vlan_table_poll_idle() < 0) {
303 		debug("VLAN table timeout\n");
304 		return;
305 	}
306 
307 	/* read current vlan configuration */
308 	val = in_le32(&l2ana_reg->ana_tables.vlan_tidx);
309 	out_le32(&l2ana_reg->ana_tables.vlan_tidx,
310 		 bitfield_replace_by_mask(val, VSC9953_ANA_TBL_VID_MASK, vid));
311 
312 	clrsetbits_le32(&l2ana_reg->ana_tables.vlan_access,
313 			VSC9953_VLAN_CMD_MASK, VSC9953_VLAN_CMD_READ);
314 
315 	if (vsc9953_vlan_table_poll_idle() < 0) {
316 		debug("VLAN table timeout\n");
317 		return;
318 	}
319 
320 	val = in_le32(&l2ana_reg->ana_tables.vlan_tidx);
321 	out_le32(&l2ana_reg->ana_tables.vlan_tidx,
322 		 bitfield_replace_by_mask(val, VSC9953_ANA_TBL_VID_MASK, vid));
323 
324 	clrsetbits_le32(&l2ana_reg->ana_tables.vlan_access,
325 			VSC9953_VLAN_PORT_MASK | VSC9953_VLAN_CMD_MASK,
326 			VSC9953_VLAN_CMD_WRITE |
327 			(set_member ? VSC9953_VLAN_PORT_MASK : 0));
328 }
329 
330 #ifdef CONFIG_CMD_ETHSW
331 /* Get PVID of a VSC9953 port */
332 static int vsc9953_port_vlan_pvid_get(int port_nr, int *pvid)
333 {
334 	u32 val;
335 	struct vsc9953_analyzer *l2ana_reg;
336 
337 	/* Administrative down */
338 	if (vsc9953_l2sw.port[port_nr].enabled) {
339 		printf("Port %d is administrative down\n", port_nr);
340 		return -1;
341 	}
342 
343 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
344 				VSC9953_ANA_OFFSET);
345 
346 	/* Get ingress PVID */
347 	val = in_le32(&l2ana_reg->port[port_nr].vlan_cfg);
348 	*pvid = bitfield_extract_by_mask(val, VSC9953_VLAN_CFG_VID_MASK);
349 
350 	return 0;
351 }
352 #endif
353 
354 /* Set PVID for a VSC9953 port */
355 static void vsc9953_port_vlan_pvid_set(int port_no, int pvid)
356 {
357 	uint val;
358 	struct vsc9953_analyzer *l2ana_reg;
359 	struct vsc9953_rew_reg *l2rew_reg;
360 
361 	/* Administrative down */
362 	if (!vsc9953_l2sw.port[port_no].enabled) {
363 		printf("Port %d is administrative down\n", port_no);
364 		return;
365 	}
366 
367 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
368 			VSC9953_ANA_OFFSET);
369 	l2rew_reg = (struct vsc9953_rew_reg *)(VSC9953_OFFSET +
370 			VSC9953_REW_OFFSET);
371 
372 	/* Set PVID on ingress */
373 	val = in_le32(&l2ana_reg->port[port_no].vlan_cfg);
374 	val = bitfield_replace_by_mask(val, VSC9953_VLAN_CFG_VID_MASK, pvid);
375 	out_le32(&l2ana_reg->port[port_no].vlan_cfg, val);
376 
377 	/* Set PVID on egress */
378 	val = in_le32(&l2rew_reg->port[port_no].port_vlan_cfg);
379 	val = bitfield_replace_by_mask(val, VSC9953_PORT_VLAN_CFG_VID_MASK,
380 				       pvid);
381 	out_le32(&l2rew_reg->port[port_no].port_vlan_cfg, val);
382 }
383 
384 static void vsc9953_port_all_vlan_pvid_set(int pvid)
385 {
386 	int i;
387 
388 	for (i = 0; i < VSC9953_MAX_PORTS; i++)
389 		vsc9953_port_vlan_pvid_set(i, pvid);
390 }
391 
392 /* Enable/disable vlan aware of a VSC9953 port */
393 static void vsc9953_port_vlan_aware_set(int port_no, int enabled)
394 {
395 	struct vsc9953_analyzer *l2ana_reg;
396 
397 	/* Administrative down */
398 	if (!vsc9953_l2sw.port[port_no].enabled) {
399 		printf("Port %d is administrative down\n", port_no);
400 		return;
401 	}
402 
403 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
404 			VSC9953_ANA_OFFSET);
405 
406 	if (enabled)
407 		setbits_le32(&l2ana_reg->port[port_no].vlan_cfg,
408 			     VSC9953_VLAN_CFG_AWARE_ENA);
409 	else
410 		clrbits_le32(&l2ana_reg->port[port_no].vlan_cfg,
411 			     VSC9953_VLAN_CFG_AWARE_ENA);
412 }
413 
414 /* Set all VSC9953 ports' vlan aware  */
415 static void vsc9953_port_all_vlan_aware_set(int enabled)
416 {
417 	int i;
418 
419 	for (i = 0; i < VSC9953_MAX_PORTS; i++)
420 		vsc9953_port_vlan_aware_set(i, enabled);
421 }
422 
423 /* Enable/disable vlan pop count of a VSC9953 port */
424 static void vsc9953_port_vlan_popcnt_set(int port_no, int popcnt)
425 {
426 	uint val;
427 	struct vsc9953_analyzer *l2ana_reg;
428 
429 	/* Administrative down */
430 	if (!vsc9953_l2sw.port[port_no].enabled) {
431 		printf("Port %d is administrative down\n", port_no);
432 		return;
433 	}
434 
435 	if (popcnt > 3 || popcnt < 0) {
436 		printf("Invalid pop count value: %d\n", port_no);
437 		return;
438 	}
439 
440 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
441 			VSC9953_ANA_OFFSET);
442 
443 	val = in_le32(&l2ana_reg->port[port_no].vlan_cfg);
444 	val = bitfield_replace_by_mask(val, VSC9953_VLAN_CFG_POP_CNT_MASK,
445 				       popcnt);
446 	out_le32(&l2ana_reg->port[port_no].vlan_cfg, val);
447 }
448 
449 /* Set all VSC9953 ports' pop count  */
450 static void vsc9953_port_all_vlan_poncnt_set(int popcnt)
451 {
452 	int i;
453 
454 	for (i = 0; i < VSC9953_MAX_PORTS; i++)
455 		vsc9953_port_vlan_popcnt_set(i, popcnt);
456 }
457 
458 /* Enable/disable learning for frames dropped due to ingress filtering */
459 static void vsc9953_vlan_ingr_fltr_learn_drop(int enable)
460 {
461 	struct vsc9953_analyzer *l2ana_reg;
462 
463 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
464 			VSC9953_ANA_OFFSET);
465 
466 	if (enable)
467 		setbits_le32(&l2ana_reg->ana.adv_learn, VSC9953_VLAN_CHK);
468 	else
469 		clrbits_le32(&l2ana_reg->ana.adv_learn, VSC9953_VLAN_CHK);
470 }
471 
472 /* Egress untag modes of a VSC9953 port */
473 enum egress_untag_mode {
474 	EGRESS_UNTAG_ALL = 0,
475 	EGRESS_UNTAG_PVID_AND_ZERO,
476 	EGRESS_UNTAG_ZERO,
477 	EGRESS_UNTAG_NONE,
478 };
479 
480 #ifdef CONFIG_CMD_ETHSW
481 /* Get egress tagging configuration for a VSC9953 port */
482 static int vsc9953_port_vlan_egr_untag_get(int port_no,
483 					   enum egress_untag_mode *mode)
484 {
485 	u32 val;
486 	struct vsc9953_rew_reg *l2rew_reg;
487 
488 	/* Administrative down */
489 	if (!vsc9953_l2sw.port[port_no].enabled) {
490 		printf("Port %d is administrative down\n", port_no);
491 		return -1;
492 	}
493 
494 	l2rew_reg = (struct vsc9953_rew_reg *)(VSC9953_OFFSET +
495 			VSC9953_REW_OFFSET);
496 
497 	val = in_le32(&l2rew_reg->port[port_no].port_tag_cfg);
498 
499 	switch (val & VSC9953_TAG_CFG_MASK) {
500 	case VSC9953_TAG_CFG_NONE:
501 		*mode = EGRESS_UNTAG_ALL;
502 		return 0;
503 	case VSC9953_TAG_CFG_ALL_BUT_PVID_ZERO:
504 		*mode = EGRESS_UNTAG_PVID_AND_ZERO;
505 		return 0;
506 	case VSC9953_TAG_CFG_ALL_BUT_ZERO:
507 		*mode = EGRESS_UNTAG_ZERO;
508 		return 0;
509 	case VSC9953_TAG_CFG_ALL:
510 		*mode = EGRESS_UNTAG_NONE;
511 		return 0;
512 	default:
513 		printf("Unknown egress tagging configuration for port %d\n",
514 		       port_no);
515 		return -1;
516 	}
517 }
518 
519 /* Show egress tagging configuration for a VSC9953 port */
520 static void vsc9953_port_vlan_egr_untag_show(int port_no)
521 {
522 	enum egress_untag_mode mode;
523 
524 	if (vsc9953_port_vlan_egr_untag_get(port_no, &mode)) {
525 		printf("%7d\t%17s\n", port_no, "-");
526 		return;
527 	}
528 
529 	printf("%7d\t", port_no);
530 	switch (mode) {
531 	case EGRESS_UNTAG_ALL:
532 		printf("%17s\n", "all");
533 		break;
534 	case EGRESS_UNTAG_NONE:
535 		printf("%17s\n", "none");
536 		break;
537 	case EGRESS_UNTAG_PVID_AND_ZERO:
538 		printf("%17s\n", "PVID and 0");
539 		break;
540 	case EGRESS_UNTAG_ZERO:
541 		printf("%17s\n", "0");
542 		break;
543 	default:
544 		printf("%17s\n", "-");
545 	}
546 }
547 #endif
548 
549 static void vsc9953_port_vlan_egr_untag_set(int port_no,
550 					    enum egress_untag_mode mode)
551 {
552 	struct vsc9953_rew_reg *l2rew_reg;
553 
554 	/* Administrative down */
555 	if (!vsc9953_l2sw.port[port_no].enabled) {
556 		printf("Port %d is administrative down\n", port_no);
557 		return;
558 	}
559 
560 	l2rew_reg = (struct vsc9953_rew_reg *)(VSC9953_OFFSET +
561 			VSC9953_REW_OFFSET);
562 
563 	switch (mode) {
564 	case EGRESS_UNTAG_ALL:
565 		clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
566 				VSC9953_TAG_CFG_MASK, VSC9953_TAG_CFG_NONE);
567 		break;
568 	case EGRESS_UNTAG_PVID_AND_ZERO:
569 		clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
570 				VSC9953_TAG_CFG_MASK,
571 				VSC9953_TAG_CFG_ALL_BUT_PVID_ZERO);
572 		break;
573 	case EGRESS_UNTAG_ZERO:
574 		clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
575 				VSC9953_TAG_CFG_MASK,
576 				VSC9953_TAG_CFG_ALL_BUT_ZERO);
577 		break;
578 	case EGRESS_UNTAG_NONE:
579 		clrsetbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
580 				VSC9953_TAG_CFG_MASK, VSC9953_TAG_CFG_ALL);
581 		break;
582 	default:
583 		printf("Unknown untag mode for port %d\n", port_no);
584 	}
585 }
586 
587 static void vsc9953_port_all_vlan_egress_untagged_set(
588 		enum egress_untag_mode mode)
589 {
590 	int i;
591 
592 	for (i = 0; i < VSC9953_MAX_PORTS; i++)
593 		vsc9953_port_vlan_egr_untag_set(i, mode);
594 }
595 
596 #ifdef CONFIG_CMD_ETHSW
597 
598 /* Enable/disable status of a VSC9953 port */
599 static void vsc9953_port_status_set(int port_no, u8 enabled)
600 {
601 	struct vsc9953_qsys_reg *l2qsys_reg;
602 
603 	/* Administrative down */
604 	if (!vsc9953_l2sw.port[port_no].enabled)
605 		return;
606 
607 	l2qsys_reg = (struct vsc9953_qsys_reg *)(VSC9953_OFFSET +
608 			VSC9953_QSYS_OFFSET);
609 
610 	if (enabled)
611 		setbits_le32(&l2qsys_reg->sys.switch_port_mode[port_no],
612 			     VSC9953_PORT_ENA);
613 	else
614 		clrbits_le32(&l2qsys_reg->sys.switch_port_mode[port_no],
615 			     VSC9953_PORT_ENA);
616 }
617 
618 /* Start autonegotiation for a VSC9953 PHY */
619 static void vsc9953_phy_autoneg(int port_no)
620 {
621 	if (!vsc9953_l2sw.port[port_no].phydev)
622 		return;
623 
624 	if (vsc9953_l2sw.port[port_no].phydev->drv->startup(
625 			vsc9953_l2sw.port[port_no].phydev))
626 		printf("Failed to start PHY for port %d\n", port_no);
627 }
628 
629 /* Print a VSC9953 port's configuration */
630 static void vsc9953_port_config_show(int port_no)
631 {
632 	int speed;
633 	int duplex;
634 	int link;
635 	u8 enabled;
636 	u32 val;
637 	struct vsc9953_qsys_reg *l2qsys_reg;
638 
639 	l2qsys_reg = (struct vsc9953_qsys_reg *)(VSC9953_OFFSET +
640 			VSC9953_QSYS_OFFSET);
641 
642 	val = in_le32(&l2qsys_reg->sys.switch_port_mode[port_no]);
643 	enabled = vsc9953_l2sw.port[port_no].enabled &&
644 		  (val & VSC9953_PORT_ENA);
645 
646 	/* internal ports (8 and 9) are fixed */
647 	if (VSC9953_INTERNAL_PORT_CHECK(port_no)) {
648 		link = 1;
649 		speed = SPEED_2500;
650 		duplex = DUPLEX_FULL;
651 	} else {
652 		if (vsc9953_l2sw.port[port_no].phydev) {
653 			link = vsc9953_l2sw.port[port_no].phydev->link;
654 			speed = vsc9953_l2sw.port[port_no].phydev->speed;
655 			duplex = vsc9953_l2sw.port[port_no].phydev->duplex;
656 		} else {
657 			link = -1;
658 			speed = -1;
659 			duplex = -1;
660 		}
661 	}
662 
663 	printf("%8d ", port_no);
664 	printf("%8s ", enabled == 1 ? "enabled" : "disabled");
665 	printf("%8s ", link == 1 ? "up" : "down");
666 
667 	switch (speed) {
668 	case SPEED_10:
669 		printf("%8d ", 10);
670 		break;
671 	case SPEED_100:
672 		printf("%8d ", 100);
673 		break;
674 	case SPEED_1000:
675 		printf("%8d ", 1000);
676 		break;
677 	case SPEED_2500:
678 		printf("%8d ", 2500);
679 		break;
680 	case SPEED_10000:
681 		printf("%8d ", 10000);
682 		break;
683 	default:
684 		printf("%8s ", "-");
685 	}
686 
687 	printf("%8s\n", duplex == DUPLEX_FULL ? "full" : "half");
688 }
689 
690 /* Show VSC9953 ports' statistics */
691 static void vsc9953_port_statistics_show(int port_no)
692 {
693 	u32 rx_val;
694 	u32 tx_val;
695 	struct vsc9953_system_reg *l2sys_reg;
696 
697 	/* Administrative down */
698 	if (!vsc9953_l2sw.port[port_no].enabled) {
699 		printf("Port %d is administrative down\n", port_no);
700 		return;
701 	}
702 
703 	l2sys_reg = (struct vsc9953_system_reg *)(VSC9953_OFFSET +
704 			VSC9953_SYS_OFFSET);
705 
706 	printf("Statistics for L2 Switch port %d:\n", port_no);
707 
708 	/* Set counter view for our port */
709 	out_le32(&l2sys_reg->sys.stat_cfg, port_no);
710 
711 #define VSC9953_STATS_PRINTF "%-15s %10u"
712 
713 	/* Get number of Rx and Tx frames */
714 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_short) +
715 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_frag) +
716 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_jabber) +
717 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_long) +
718 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_64) +
719 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_65_127) +
720 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_128_255) +
721 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_256_511) +
722 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_512_1023) +
723 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_1024_1526) +
724 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_jumbo);
725 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_64) +
726 		 in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_65_127) +
727 		 in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_128_255) +
728 		 in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_256_511) +
729 		 in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_512_1023) +
730 		 in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_1024_1526) +
731 		 in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_jumbo);
732 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
733 	       "Rx frames:", rx_val, "Tx frames:", tx_val);
734 
735 	/* Get number of Rx and Tx bytes */
736 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_oct);
737 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_oct);
738 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
739 	       "Rx bytes:", rx_val, "Tx bytes:", tx_val);
740 
741 	/* Get number of Rx frames received ok and Tx frames sent ok */
742 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_0) +
743 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_1) +
744 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_2) +
745 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_3) +
746 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_4) +
747 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_5) +
748 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_6) +
749 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_yellow_prio_7) +
750 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_0) +
751 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_1) +
752 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_2) +
753 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_3) +
754 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_4) +
755 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_5) +
756 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_6) +
757 		 in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_green_prio_7);
758 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_64) +
759 		 in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_65_127) +
760 		 in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_128_255) +
761 		 in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_256_511) +
762 		 in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_512_1023) +
763 		 in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_1024_1526) +
764 		 in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_jumbo);
765 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
766 	       "Rx frames ok:", rx_val, "Tx frames ok:", tx_val);
767 
768 	/* Get number of Rx and Tx unicast frames */
769 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_uc);
770 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_uc);
771 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
772 	       "Rx unicast:", rx_val, "Tx unicast:", tx_val);
773 
774 	/* Get number of Rx and Tx broadcast frames */
775 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_bc);
776 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_bc);
777 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
778 	       "Rx broadcast:", rx_val, "Tx broadcast:", tx_val);
779 
780 	/* Get number of Rx and Tx frames of 64B */
781 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_64);
782 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_64);
783 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
784 	       "Rx 64B:", rx_val, "Tx 64B:", tx_val);
785 
786 	/* Get number of Rx and Tx frames with sizes between 65B and 127B */
787 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_65_127);
788 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_65_127);
789 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
790 	       "Rx 65B-127B:", rx_val, "Tx 65B-127B:", tx_val);
791 
792 	/* Get number of Rx and Tx frames with sizes between 128B and 255B */
793 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_128_255);
794 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_128_255);
795 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
796 	       "Rx 128B-255B:", rx_val, "Tx 128B-255B:", tx_val);
797 
798 	/* Get number of Rx and Tx frames with sizes between 256B and 511B */
799 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_256_511);
800 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_256_511);
801 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
802 	       "Rx 256B-511B:", rx_val, "Tx 256B-511B:", tx_val);
803 
804 	/* Get number of Rx and Tx frames with sizes between 512B and 1023B */
805 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_512_1023);
806 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_512_1023);
807 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
808 	       "Rx 512B-1023B:", rx_val, "Tx 512B-1023B:", tx_val);
809 
810 	/* Get number of Rx and Tx frames with sizes between 1024B and 1526B */
811 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_1024_1526);
812 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_1024_1526);
813 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
814 	       "Rx 1024B-1526B:", rx_val, "Tx 1024B-1526B:", tx_val);
815 
816 	/* Get number of Rx and Tx jumbo frames */
817 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_sz_jumbo);
818 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_sz_jumbo);
819 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
820 	       "Rx jumbo:", rx_val, "Tx jumbo:", tx_val);
821 
822 	/* Get number of Rx and Tx dropped frames */
823 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_cat_drop) +
824 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_tail) +
825 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_0) +
826 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_1) +
827 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_2) +
828 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_3) +
829 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_4) +
830 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_5) +
831 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_6) +
832 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_yellow_prio_7) +
833 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_0) +
834 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_1) +
835 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_2) +
836 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_3) +
837 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_4) +
838 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_5) +
839 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_6) +
840 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_green_prio_7);
841 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_drop) +
842 		 in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_aged);
843 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
844 	       "Rx drops:", rx_val, "Tx drops:", tx_val);
845 
846 	/*
847 	 * Get number of Rx frames with CRC or alignment errors
848 	 * and number of detected Tx collisions
849 	 */
850 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_crc);
851 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_col);
852 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
853 	       "Rx CRC&align:", rx_val, "Tx coll:", tx_val);
854 
855 	/*
856 	 * Get number of Rx undersized frames and
857 	 * number of Tx aged frames
858 	 */
859 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_short);
860 	tx_val = in_le32(&l2sys_reg->stat.tx_cntrs.c_tx_aged);
861 	printf(VSC9953_STATS_PRINTF"\t\t"VSC9953_STATS_PRINTF"\n",
862 	       "Rx undersize:", rx_val, "Tx aged:", tx_val);
863 
864 	/* Get number of Rx oversized frames */
865 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_long);
866 	printf(VSC9953_STATS_PRINTF"\n", "Rx oversized:", rx_val);
867 
868 	/* Get number of Rx fragmented frames */
869 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_frag);
870 	printf(VSC9953_STATS_PRINTF"\n", "Rx fragments:", rx_val);
871 
872 	/* Get number of Rx jabber errors */
873 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_jabber);
874 	printf(VSC9953_STATS_PRINTF"\n", "Rx jabbers:", rx_val);
875 
876 	/*
877 	 * Get number of Rx frames filtered due to classification rules or
878 	 * no destination ports
879 	 */
880 	rx_val = in_le32(&l2sys_reg->stat.rx_cntrs.c_rx_cat_drop) +
881 		 in_le32(&l2sys_reg->stat.drop_cntrs.c_dr_local);
882 	printf(VSC9953_STATS_PRINTF"\n", "Rx filtered:", rx_val);
883 
884 	printf("\n");
885 }
886 
887 /* Clear statistics for a VSC9953 port */
888 static void vsc9953_port_statistics_clear(int port_no)
889 {
890 	struct vsc9953_system_reg *l2sys_reg;
891 
892 	/* Administrative down */
893 	if (!vsc9953_l2sw.port[port_no].enabled) {
894 		printf("Port %d is administrative down\n", port_no);
895 		return;
896 	}
897 
898 	l2sys_reg = (struct vsc9953_system_reg *)(VSC9953_OFFSET +
899 			VSC9953_SYS_OFFSET);
900 
901 	/* Clear all counter groups for our ports */
902 	out_le32(&l2sys_reg->sys.stat_cfg, port_no |
903 		 VSC9953_STAT_CLEAR_RX | VSC9953_STAT_CLEAR_TX |
904 		 VSC9953_STAT_CLEAR_DR);
905 }
906 
907 enum port_learn_mode {
908 	PORT_LEARN_NONE,
909 	PORT_LEARN_AUTO
910 };
911 
912 /* Set learning configuration for a VSC9953 port */
913 static void vsc9953_port_learn_mode_set(int port_no, enum port_learn_mode mode)
914 {
915 	struct vsc9953_analyzer *l2ana_reg;
916 
917 	/* Administrative down */
918 	if (!vsc9953_l2sw.port[port_no].enabled) {
919 		printf("Port %d is administrative down\n", port_no);
920 		return;
921 	}
922 
923 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
924 			VSC9953_ANA_OFFSET);
925 
926 	switch (mode) {
927 	case PORT_LEARN_NONE:
928 		clrbits_le32(&l2ana_reg->port[port_no].port_cfg,
929 			     VSC9953_PORT_CFG_LEARN_DROP |
930 			     VSC9953_PORT_CFG_LEARN_CPU |
931 			     VSC9953_PORT_CFG_LEARN_AUTO |
932 			     VSC9953_PORT_CFG_LEARN_ENA);
933 		break;
934 	case PORT_LEARN_AUTO:
935 		clrsetbits_le32(&l2ana_reg->port[port_no].port_cfg,
936 				VSC9953_PORT_CFG_LEARN_DROP |
937 				VSC9953_PORT_CFG_LEARN_CPU,
938 				VSC9953_PORT_CFG_LEARN_ENA |
939 				VSC9953_PORT_CFG_LEARN_AUTO);
940 		break;
941 	default:
942 		printf("Unknown learn mode for port %d\n", port_no);
943 	}
944 }
945 
946 /* Get learning configuration for a VSC9953 port */
947 static int vsc9953_port_learn_mode_get(int port_no, enum port_learn_mode *mode)
948 {
949 	u32 val;
950 	struct vsc9953_analyzer *l2ana_reg;
951 
952 	/* Administrative down */
953 	if (!vsc9953_l2sw.port[port_no].enabled) {
954 		printf("Port %d is administrative down\n", port_no);
955 		return -1;
956 	}
957 
958 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
959 			VSC9953_ANA_OFFSET);
960 
961 	/* For now we only support HW learning (auto) and no learning */
962 	val = in_le32(&l2ana_reg->port[port_no].port_cfg);
963 	if ((val & (VSC9953_PORT_CFG_LEARN_ENA |
964 		    VSC9953_PORT_CFG_LEARN_AUTO)) ==
965 	    (VSC9953_PORT_CFG_LEARN_ENA | VSC9953_PORT_CFG_LEARN_AUTO))
966 		*mode = PORT_LEARN_AUTO;
967 	else
968 		*mode = PORT_LEARN_NONE;
969 
970 	return 0;
971 }
972 
973 /* wait for FDB to become available */
974 static int vsc9953_mac_table_poll_idle(void)
975 {
976 	struct vsc9953_analyzer *l2ana_reg;
977 	u32 timeout;
978 
979 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
980 			VSC9953_ANA_OFFSET);
981 
982 	timeout = 50000;
983 	while (((in_le32(&l2ana_reg->ana_tables.mac_access) &
984 			 VSC9953_MAC_CMD_MASK) !=
985 		VSC9953_MAC_CMD_IDLE) && --timeout)
986 		udelay(1);
987 
988 	return timeout ? 0 : -EBUSY;
989 }
990 
991 /* enum describing available commands for the MAC table */
992 enum mac_table_cmd {
993 	MAC_TABLE_READ,
994 	MAC_TABLE_LOOKUP,
995 	MAC_TABLE_WRITE,
996 	MAC_TABLE_LEARN,
997 	MAC_TABLE_FORGET,
998 	MAC_TABLE_GET_NEXT,
999 	MAC_TABLE_AGE,
1000 };
1001 
1002 /* Issues a command to the FDB table */
1003 static int vsc9953_mac_table_cmd(enum mac_table_cmd cmd)
1004 {
1005 	struct vsc9953_analyzer *l2ana_reg;
1006 
1007 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1008 			VSC9953_ANA_OFFSET);
1009 
1010 	switch (cmd) {
1011 	case MAC_TABLE_READ:
1012 		clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
1013 				VSC9953_MAC_CMD_MASK | VSC9953_MAC_CMD_VALID,
1014 				VSC9953_MAC_CMD_READ);
1015 		break;
1016 	case MAC_TABLE_LOOKUP:
1017 		clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
1018 				VSC9953_MAC_CMD_MASK, VSC9953_MAC_CMD_READ |
1019 				VSC9953_MAC_CMD_VALID);
1020 		break;
1021 	case MAC_TABLE_WRITE:
1022 		clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
1023 				VSC9953_MAC_CMD_MASK |
1024 				VSC9953_MAC_ENTRYTYPE_MASK,
1025 				VSC9953_MAC_CMD_WRITE |
1026 				VSC9953_MAC_ENTRYTYPE_LOCKED);
1027 		break;
1028 	case MAC_TABLE_LEARN:
1029 		clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
1030 				VSC9953_MAC_CMD_MASK |
1031 				VSC9953_MAC_ENTRYTYPE_MASK,
1032 				VSC9953_MAC_CMD_LEARN |
1033 				VSC9953_MAC_ENTRYTYPE_LOCKED |
1034 				VSC9953_MAC_CMD_VALID);
1035 		break;
1036 	case MAC_TABLE_FORGET:
1037 		clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
1038 				VSC9953_MAC_CMD_MASK |
1039 				VSC9953_MAC_ENTRYTYPE_MASK,
1040 				VSC9953_MAC_CMD_FORGET);
1041 		break;
1042 	case MAC_TABLE_GET_NEXT:
1043 		clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
1044 				VSC9953_MAC_CMD_MASK |
1045 				VSC9953_MAC_ENTRYTYPE_MASK,
1046 				VSC9953_MAC_CMD_NEXT);
1047 		break;
1048 	case MAC_TABLE_AGE:
1049 		clrsetbits_le32(&l2ana_reg->ana_tables.mac_access,
1050 				VSC9953_MAC_CMD_MASK |
1051 				VSC9953_MAC_ENTRYTYPE_MASK,
1052 				VSC9953_MAC_CMD_AGE);
1053 		break;
1054 	default:
1055 		printf("Unknown MAC table command\n");
1056 	}
1057 
1058 	if (vsc9953_mac_table_poll_idle() < 0) {
1059 		debug("MAC table timeout\n");
1060 		return -1;
1061 	}
1062 
1063 	return 0;
1064 }
1065 
1066 /* show the FDB entries that correspond to a port and a VLAN */
1067 static void vsc9953_mac_table_show(int port_no, int vid)
1068 {
1069 	int rc[VSC9953_MAX_PORTS];
1070 	enum port_learn_mode mode[VSC9953_MAX_PORTS];
1071 	int i;
1072 	u32 val;
1073 	u32 vlan;
1074 	u32 mach;
1075 	u32 macl;
1076 	u32 dest_indx;
1077 	struct vsc9953_analyzer *l2ana_reg;
1078 
1079 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1080 			VSC9953_ANA_OFFSET);
1081 
1082 	/* disable auto learning */
1083 	if (port_no == ETHSW_CMD_PORT_ALL) {
1084 		for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1085 			rc[i] = vsc9953_port_learn_mode_get(i, &mode[i]);
1086 			if (!rc[i] && mode[i] != PORT_LEARN_NONE)
1087 				vsc9953_port_learn_mode_set(i, PORT_LEARN_NONE);
1088 		}
1089 	} else {
1090 		rc[port_no] = vsc9953_port_learn_mode_get(port_no,
1091 							  &mode[port_no]);
1092 		if (!rc[port_no] && mode[port_no] != PORT_LEARN_NONE)
1093 			vsc9953_port_learn_mode_set(port_no, PORT_LEARN_NONE);
1094 	}
1095 
1096 	/* write port and vid to get selected FDB entries */
1097 	val = in_le32(&l2ana_reg->ana.anag_efil);
1098 	if (port_no != ETHSW_CMD_PORT_ALL) {
1099 		val = bitfield_replace_by_mask(val, VSC9953_AGE_PORT_MASK,
1100 					       port_no) | VSC9953_AGE_PORT_EN;
1101 	}
1102 	if (vid != ETHSW_CMD_VLAN_ALL) {
1103 		val = bitfield_replace_by_mask(val, VSC9953_AGE_VID_MASK,
1104 					       vid) | VSC9953_AGE_VID_EN;
1105 	}
1106 	out_le32(&l2ana_reg->ana.anag_efil, val);
1107 
1108 	/* set MAC and VLAN to 0 to look from beginning */
1109 	clrbits_le32(&l2ana_reg->ana_tables.mach_data,
1110 		     VSC9953_MAC_VID_MASK | VSC9953_MAC_MACH_MASK);
1111 	out_le32(&l2ana_reg->ana_tables.macl_data, 0);
1112 
1113 	/* get entries */
1114 	printf("%10s %17s %5s %4s\n", "EntryType", "MAC", "PORT", "VID");
1115 	do {
1116 		if (vsc9953_mac_table_cmd(MAC_TABLE_GET_NEXT) < 0) {
1117 			debug("GET NEXT MAC table command failed\n");
1118 			break;
1119 		}
1120 
1121 		val = in_le32(&l2ana_reg->ana_tables.mac_access);
1122 
1123 		/* get out when an invalid entry is found */
1124 		if (!(val & VSC9953_MAC_CMD_VALID))
1125 			break;
1126 
1127 		switch (val & VSC9953_MAC_ENTRYTYPE_MASK) {
1128 		case VSC9953_MAC_ENTRYTYPE_NORMAL:
1129 			printf("%10s ", "Dynamic");
1130 			break;
1131 		case VSC9953_MAC_ENTRYTYPE_LOCKED:
1132 			printf("%10s ", "Static");
1133 			break;
1134 		case VSC9953_MAC_ENTRYTYPE_IPV4MCAST:
1135 			printf("%10s ", "IPv4 Mcast");
1136 			break;
1137 		case VSC9953_MAC_ENTRYTYPE_IPV6MCAST:
1138 			printf("%10s ", "IPv6 Mcast");
1139 			break;
1140 		default:
1141 			printf("%10s ", "Unknown");
1142 		}
1143 
1144 		dest_indx = bitfield_extract_by_mask(val,
1145 						     VSC9953_MAC_DESTIDX_MASK);
1146 
1147 		val = in_le32(&l2ana_reg->ana_tables.mach_data);
1148 		vlan = bitfield_extract_by_mask(val, VSC9953_MAC_VID_MASK);
1149 		mach = bitfield_extract_by_mask(val, VSC9953_MAC_MACH_MASK);
1150 		macl = in_le32(&l2ana_reg->ana_tables.macl_data);
1151 
1152 		printf("%02x:%02x:%02x:%02x:%02x:%02x ", (mach >> 8) & 0xff,
1153 		       mach & 0xff, (macl >> 24) & 0xff, (macl >> 16) & 0xff,
1154 		       (macl >> 8) & 0xff, macl & 0xff);
1155 		printf("%5d ", dest_indx);
1156 		printf("%4d\n", vlan);
1157 	} while (1);
1158 
1159 	/* set learning mode to previous value */
1160 	if (port_no == ETHSW_CMD_PORT_ALL) {
1161 		for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1162 			if (!rc[i] && mode[i] != PORT_LEARN_NONE)
1163 				vsc9953_port_learn_mode_set(i, mode[i]);
1164 		}
1165 	} else {
1166 		/* If administrative down, skip */
1167 		if (!rc[port_no] && mode[port_no] != PORT_LEARN_NONE)
1168 			vsc9953_port_learn_mode_set(port_no, mode[port_no]);
1169 	}
1170 
1171 	/* reset FDB port and VLAN FDB selection */
1172 	clrbits_le32(&l2ana_reg->ana.anag_efil, VSC9953_AGE_PORT_EN |
1173 		     VSC9953_AGE_PORT_MASK | VSC9953_AGE_VID_EN |
1174 		     VSC9953_AGE_VID_MASK);
1175 }
1176 
1177 /* Add a static FDB entry */
1178 static int vsc9953_mac_table_add(u8 port_no, uchar mac[6], int vid)
1179 {
1180 	u32 val;
1181 	struct vsc9953_analyzer *l2ana_reg;
1182 
1183 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1184 			VSC9953_ANA_OFFSET);
1185 
1186 	val = in_le32(&l2ana_reg->ana_tables.mach_data);
1187 	val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
1188 	      (mac[0] << 8) | (mac[1] << 0);
1189 	out_le32(&l2ana_reg->ana_tables.mach_data, val);
1190 
1191 	out_le32(&l2ana_reg->ana_tables.macl_data,
1192 		 (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) |
1193 		 (mac[5] << 0));
1194 
1195 	/* set on which port is the MAC address added */
1196 	val = in_le32(&l2ana_reg->ana_tables.mac_access);
1197 	val = bitfield_replace_by_mask(val, VSC9953_MAC_DESTIDX_MASK, port_no);
1198 	out_le32(&l2ana_reg->ana_tables.mac_access, val);
1199 
1200 	if (vsc9953_mac_table_cmd(MAC_TABLE_LEARN) < 0)
1201 		return -1;
1202 
1203 	/* check if the MAC address was indeed added */
1204 	val = in_le32(&l2ana_reg->ana_tables.mach_data);
1205 	val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
1206 	      (mac[0] << 8) | (mac[1] << 0);
1207 	out_le32(&l2ana_reg->ana_tables.mach_data, val);
1208 
1209 	out_le32(&l2ana_reg->ana_tables.macl_data,
1210 		 (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) |
1211 		 (mac[5] << 0));
1212 
1213 	if (vsc9953_mac_table_cmd(MAC_TABLE_READ) < 0)
1214 		return -1;
1215 
1216 	val = in_le32(&l2ana_reg->ana_tables.mac_access);
1217 
1218 	if ((port_no != bitfield_extract_by_mask(val,
1219 						 VSC9953_MAC_DESTIDX_MASK))) {
1220 		printf("Failed to add MAC address\n");
1221 		return -1;
1222 	}
1223 	return 0;
1224 }
1225 
1226 /* Delete a FDB entry */
1227 static int vsc9953_mac_table_del(uchar mac[6], u16 vid)
1228 {
1229 	u32 val;
1230 	struct vsc9953_analyzer *l2ana_reg;
1231 
1232 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1233 			VSC9953_ANA_OFFSET);
1234 
1235 	/* check first if MAC entry is present */
1236 	val = in_le32(&l2ana_reg->ana_tables.mach_data);
1237 	val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
1238 	      (mac[0] << 8) | (mac[1] << 0);
1239 	out_le32(&l2ana_reg->ana_tables.mach_data, val);
1240 
1241 	out_le32(&l2ana_reg->ana_tables.macl_data,
1242 		 (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) |
1243 		 (mac[5] << 0));
1244 
1245 	if (vsc9953_mac_table_cmd(MAC_TABLE_LOOKUP) < 0) {
1246 		debug("Lookup in the MAC table failed\n");
1247 		return -1;
1248 	}
1249 
1250 	if (!(in_le32(&l2ana_reg->ana_tables.mac_access) &
1251 	      VSC9953_MAC_CMD_VALID)) {
1252 		printf("The MAC address: %02x:%02x:%02x:%02x:%02x:%02x ",
1253 		       mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1254 		printf("VLAN: %d does not exist.\n", vid);
1255 		return -1;
1256 	}
1257 
1258 	/* FDB entry found, proceed to delete */
1259 	val = in_le32(&l2ana_reg->ana_tables.mach_data);
1260 	val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
1261 	      (mac[0] << 8) | (mac[1] << 0);
1262 	out_le32(&l2ana_reg->ana_tables.mach_data, val);
1263 
1264 	out_le32(&l2ana_reg->ana_tables.macl_data, (mac[2] << 24) |
1265 		 (mac[3] << 16) | (mac[4] << 8) | (mac[5] << 0));
1266 
1267 	if (vsc9953_mac_table_cmd(MAC_TABLE_FORGET) < 0)
1268 		return -1;
1269 
1270 	/* check if the MAC entry is still in FDB */
1271 	val = in_le32(&l2ana_reg->ana_tables.mach_data);
1272 	val = bitfield_replace_by_mask(val, VSC9953_MACHDATA_VID_MASK, vid) |
1273 	      (mac[0] << 8) | (mac[1] << 0);
1274 	out_le32(&l2ana_reg->ana_tables.mach_data, val);
1275 
1276 	out_le32(&l2ana_reg->ana_tables.macl_data, (mac[2] << 24) |
1277 		 (mac[3] << 16) | (mac[4] << 8) | (mac[5] << 0));
1278 
1279 	if (vsc9953_mac_table_cmd(MAC_TABLE_LOOKUP) < 0) {
1280 		debug("Lookup in the MAC table failed\n");
1281 		return -1;
1282 	}
1283 	if (in_le32(&l2ana_reg->ana_tables.mac_access) &
1284 	    VSC9953_MAC_CMD_VALID) {
1285 		printf("Failed to delete MAC address\n");
1286 		return -1;
1287 	}
1288 
1289 	return 0;
1290 }
1291 
1292 /* age the unlocked entries in FDB */
1293 static void vsc9953_mac_table_age(int port_no, int vid)
1294 {
1295 	int rc[VSC9953_MAX_PORTS];
1296 	enum port_learn_mode mode[VSC9953_MAX_PORTS];
1297 	u32 val;
1298 	int i;
1299 	struct vsc9953_analyzer *l2ana_reg;
1300 
1301 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1302 			VSC9953_ANA_OFFSET);
1303 
1304 	/* set port and VID for selective aging */
1305 	val = in_le32(&l2ana_reg->ana.anag_efil);
1306 	if (port_no != ETHSW_CMD_PORT_ALL) {
1307 		/* disable auto learning */
1308 		rc[port_no] = vsc9953_port_learn_mode_get(port_no,
1309 							  &mode[port_no]);
1310 		if (!rc[port_no] && mode[port_no] != PORT_LEARN_NONE)
1311 			vsc9953_port_learn_mode_set(port_no, PORT_LEARN_NONE);
1312 
1313 		val = bitfield_replace_by_mask(val, VSC9953_AGE_PORT_MASK,
1314 					       port_no) | VSC9953_AGE_PORT_EN;
1315 	} else {
1316 		/* disable auto learning on all ports */
1317 		for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1318 			rc[i] = vsc9953_port_learn_mode_get(i, &mode[i]);
1319 			if (!rc[i] && mode[i] != PORT_LEARN_NONE)
1320 				vsc9953_port_learn_mode_set(i, PORT_LEARN_NONE);
1321 		}
1322 	}
1323 
1324 	if (vid != ETHSW_CMD_VLAN_ALL) {
1325 		val = bitfield_replace_by_mask(val, VSC9953_AGE_VID_MASK, vid) |
1326 		      VSC9953_AGE_VID_EN;
1327 	}
1328 	out_le32(&l2ana_reg->ana.anag_efil, val);
1329 
1330 	/* age the dynamic FDB entries */
1331 	vsc9953_mac_table_cmd(MAC_TABLE_AGE);
1332 
1333 	/* clear previously set port and VID */
1334 	clrbits_le32(&l2ana_reg->ana.anag_efil, VSC9953_AGE_PORT_EN |
1335 		     VSC9953_AGE_PORT_MASK | VSC9953_AGE_VID_EN |
1336 		     VSC9953_AGE_VID_MASK);
1337 
1338 	if (port_no != ETHSW_CMD_PORT_ALL) {
1339 		if (!rc[port_no] && mode[port_no] != PORT_LEARN_NONE)
1340 			vsc9953_port_learn_mode_set(port_no, mode[port_no]);
1341 	} else {
1342 		for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1343 			if (!rc[i] && mode[i] != PORT_LEARN_NONE)
1344 				vsc9953_port_learn_mode_set(i, mode[i]);
1345 		}
1346 	}
1347 }
1348 
1349 /* Delete all the dynamic FDB entries */
1350 static void vsc9953_mac_table_flush(int port, int vid)
1351 {
1352 	vsc9953_mac_table_age(port, vid);
1353 	vsc9953_mac_table_age(port, vid);
1354 }
1355 
1356 enum egress_vlan_tag {
1357 	EGR_TAG_CLASS = 0,
1358 	EGR_TAG_PVID,
1359 };
1360 
1361 /* Set egress tag mode for a VSC9953 port */
1362 static void vsc9953_port_vlan_egress_tag_set(int port_no,
1363 					     enum egress_vlan_tag mode)
1364 {
1365 	struct vsc9953_rew_reg *l2rew_reg;
1366 
1367 	l2rew_reg = (struct vsc9953_rew_reg *)(VSC9953_OFFSET +
1368 			VSC9953_REW_OFFSET);
1369 
1370 	switch (mode) {
1371 	case EGR_TAG_CLASS:
1372 		clrbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
1373 			     VSC9953_TAG_VID_PVID);
1374 		break;
1375 	case EGR_TAG_PVID:
1376 		setbits_le32(&l2rew_reg->port[port_no].port_tag_cfg,
1377 			     VSC9953_TAG_VID_PVID);
1378 		break;
1379 	default:
1380 		printf("Unknown egress VLAN tag mode for port %d\n", port_no);
1381 	}
1382 }
1383 
1384 /* Get egress tag mode for a VSC9953 port */
1385 static void vsc9953_port_vlan_egress_tag_get(int port_no,
1386 					     enum egress_vlan_tag *mode)
1387 {
1388 	u32 val;
1389 	struct vsc9953_rew_reg *l2rew_reg;
1390 
1391 	l2rew_reg = (struct vsc9953_rew_reg *)(VSC9953_OFFSET +
1392 			VSC9953_REW_OFFSET);
1393 
1394 	val = in_le32(&l2rew_reg->port[port_no].port_tag_cfg);
1395 	if (val & VSC9953_TAG_VID_PVID)
1396 		*mode = EGR_TAG_PVID;
1397 	else
1398 		*mode = EGR_TAG_CLASS;
1399 }
1400 
1401 /* VSC9953 VLAN learning modes */
1402 enum vlan_learning_mode {
1403 	SHARED_VLAN_LEARNING,
1404 	PRIVATE_VLAN_LEARNING,
1405 };
1406 
1407 /* Set VLAN learning mode for VSC9953 */
1408 static void vsc9953_vlan_learning_set(enum vlan_learning_mode lrn_mode)
1409 {
1410 	struct vsc9953_analyzer *l2ana_reg;
1411 
1412 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1413 			VSC9953_ANA_OFFSET);
1414 
1415 	switch (lrn_mode) {
1416 	case SHARED_VLAN_LEARNING:
1417 		setbits_le32(&l2ana_reg->ana.agen_ctrl, VSC9953_FID_MASK_ALL);
1418 		break;
1419 	case PRIVATE_VLAN_LEARNING:
1420 		clrbits_le32(&l2ana_reg->ana.agen_ctrl, VSC9953_FID_MASK_ALL);
1421 		break;
1422 	default:
1423 		printf("Unknown VLAN learn mode\n");
1424 	}
1425 }
1426 
1427 /* Get VLAN learning mode for VSC9953 */
1428 static int vsc9953_vlan_learning_get(enum vlan_learning_mode *lrn_mode)
1429 {
1430 	u32 val;
1431 	struct vsc9953_analyzer *l2ana_reg;
1432 
1433 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1434 			VSC9953_ANA_OFFSET);
1435 
1436 	val = in_le32(&l2ana_reg->ana.agen_ctrl);
1437 
1438 	if (!(val & VSC9953_FID_MASK_ALL)) {
1439 		*lrn_mode = PRIVATE_VLAN_LEARNING;
1440 	} else if ((val & VSC9953_FID_MASK_ALL) == VSC9953_FID_MASK_ALL) {
1441 		*lrn_mode = SHARED_VLAN_LEARNING;
1442 	} else {
1443 		printf("Unknown VLAN learning mode\n");
1444 		return -EINVAL;
1445 	}
1446 
1447 	return 0;
1448 }
1449 
1450 /* Enable/disable VLAN ingress filtering on a VSC9953 port */
1451 static void vsc9953_port_ingress_filtering_set(int port_no, int enabled)
1452 {
1453 	struct vsc9953_analyzer *l2ana_reg;
1454 
1455 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1456 			VSC9953_ANA_OFFSET);
1457 
1458 	if (enabled)
1459 		setbits_le32(&l2ana_reg->ana.vlan_mask, 1 << port_no);
1460 	else
1461 		clrbits_le32(&l2ana_reg->ana.vlan_mask, 1 << port_no);
1462 }
1463 
1464 /* Return VLAN ingress filtering on a VSC9953 port */
1465 static int vsc9953_port_ingress_filtering_get(int port_no)
1466 {
1467 	u32 val;
1468 	struct vsc9953_analyzer *l2ana_reg;
1469 
1470 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
1471 			VSC9953_ANA_OFFSET);
1472 
1473 	val = in_le32(&l2ana_reg->ana.vlan_mask);
1474 	return !!(val & (1 << port_no));
1475 }
1476 
1477 static int vsc9953_port_status_key_func(struct ethsw_command_def *parsed_cmd)
1478 {
1479 	int i;
1480 	u8 enabled;
1481 
1482 	/* Last keyword should tell us if we should enable/disable the port */
1483 	if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1484 	    ethsw_id_enable)
1485 		enabled = 1;
1486 	else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1487 		 ethsw_id_disable)
1488 		enabled = 0;
1489 	else
1490 		return CMD_RET_USAGE;
1491 
1492 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1493 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1494 			printf("Invalid port number: %d\n", parsed_cmd->port);
1495 			return CMD_RET_FAILURE;
1496 		}
1497 		vsc9953_port_status_set(parsed_cmd->port, enabled);
1498 	} else {
1499 		for (i = 0; i < VSC9953_MAX_PORTS; i++)
1500 			vsc9953_port_status_set(i, enabled);
1501 	}
1502 
1503 	return CMD_RET_SUCCESS;
1504 }
1505 
1506 static int vsc9953_port_config_key_func(struct ethsw_command_def *parsed_cmd)
1507 {
1508 	int i;
1509 
1510 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1511 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1512 			printf("Invalid port number: %d\n", parsed_cmd->port);
1513 			return CMD_RET_FAILURE;
1514 		}
1515 		vsc9953_phy_autoneg(parsed_cmd->port);
1516 		printf("%8s %8s %8s %8s %8s\n",
1517 		       "Port", "Status", "Link", "Speed",
1518 		       "Duplex");
1519 		vsc9953_port_config_show(parsed_cmd->port);
1520 
1521 	} else {
1522 		for (i = 0; i < VSC9953_MAX_PORTS; i++)
1523 			vsc9953_phy_autoneg(i);
1524 		printf("%8s %8s %8s %8s %8s\n",
1525 		       "Port", "Status", "Link", "Speed", "Duplex");
1526 		for (i = 0; i < VSC9953_MAX_PORTS; i++)
1527 			vsc9953_port_config_show(i);
1528 	}
1529 
1530 	return CMD_RET_SUCCESS;
1531 }
1532 
1533 static int vsc9953_port_stats_key_func(struct ethsw_command_def *parsed_cmd)
1534 {
1535 	int i;
1536 
1537 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1538 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1539 			printf("Invalid port number: %d\n", parsed_cmd->port);
1540 			return CMD_RET_FAILURE;
1541 		}
1542 		vsc9953_port_statistics_show(parsed_cmd->port);
1543 	} else {
1544 		for (i = 0; i < VSC9953_MAX_PORTS; i++)
1545 			vsc9953_port_statistics_show(i);
1546 	}
1547 
1548 	return CMD_RET_SUCCESS;
1549 }
1550 
1551 static int vsc9953_port_stats_clear_key_func(struct ethsw_command_def
1552 					     *parsed_cmd)
1553 {
1554 	int i;
1555 
1556 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1557 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1558 			printf("Invalid port number: %d\n", parsed_cmd->port);
1559 			return CMD_RET_FAILURE;
1560 		}
1561 		vsc9953_port_statistics_clear(parsed_cmd->port);
1562 	} else {
1563 		for (i = 0; i < VSC9953_MAX_PORTS; i++)
1564 			vsc9953_port_statistics_clear(i);
1565 	}
1566 
1567 	return CMD_RET_SUCCESS;
1568 }
1569 
1570 static int vsc9953_learn_show_key_func(struct ethsw_command_def *parsed_cmd)
1571 {
1572 	int i;
1573 	enum port_learn_mode mode;
1574 
1575 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1576 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1577 			printf("Invalid port number: %d\n", parsed_cmd->port);
1578 			return CMD_RET_FAILURE;
1579 		}
1580 		if (vsc9953_port_learn_mode_get(parsed_cmd->port, &mode))
1581 			return CMD_RET_FAILURE;
1582 		printf("%7s %11s\n", "Port", "Learn mode");
1583 		switch (mode) {
1584 		case PORT_LEARN_NONE:
1585 			printf("%7d %11s\n", parsed_cmd->port, "disable");
1586 			break;
1587 		case PORT_LEARN_AUTO:
1588 			printf("%7d %11s\n", parsed_cmd->port, "auto");
1589 			break;
1590 		default:
1591 			printf("%7d %11s\n", parsed_cmd->port, "-");
1592 		}
1593 	} else {
1594 		printf("%7s %11s\n", "Port", "Learn mode");
1595 		for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1596 			if (vsc9953_port_learn_mode_get(i, &mode))
1597 				continue;
1598 			switch (mode) {
1599 			case PORT_LEARN_NONE:
1600 				printf("%7d %11s\n", i, "disable");
1601 				break;
1602 			case PORT_LEARN_AUTO:
1603 				printf("%7d %11s\n", i, "auto");
1604 				break;
1605 			default:
1606 				printf("%7d %11s\n", i, "-");
1607 			}
1608 		}
1609 	}
1610 
1611 	return CMD_RET_SUCCESS;
1612 }
1613 
1614 static int vsc9953_learn_set_key_func(struct ethsw_command_def *parsed_cmd)
1615 {
1616 	int i;
1617 	enum port_learn_mode mode;
1618 
1619 	/* Last keyword should tell us the learn mode */
1620 	if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1621 	    ethsw_id_auto)
1622 		mode = PORT_LEARN_AUTO;
1623 	else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1624 		 ethsw_id_disable)
1625 		mode = PORT_LEARN_NONE;
1626 	else
1627 		return CMD_RET_USAGE;
1628 
1629 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1630 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1631 			printf("Invalid port number: %d\n", parsed_cmd->port);
1632 			return CMD_RET_FAILURE;
1633 		}
1634 		vsc9953_port_learn_mode_set(parsed_cmd->port, mode);
1635 	} else {
1636 		for (i = 0; i < VSC9953_MAX_PORTS; i++)
1637 			vsc9953_port_learn_mode_set(i, mode);
1638 	}
1639 
1640 	return CMD_RET_SUCCESS;
1641 }
1642 
1643 static int vsc9953_fdb_show_key_func(struct ethsw_command_def *parsed_cmd)
1644 {
1645 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL &&
1646 	    !VSC9953_PORT_CHECK(parsed_cmd->port)) {
1647 		printf("Invalid port number: %d\n", parsed_cmd->port);
1648 		return CMD_RET_FAILURE;
1649 	}
1650 
1651 	if (parsed_cmd->vid != ETHSW_CMD_VLAN_ALL &&
1652 	    !VSC9953_VLAN_CHECK(parsed_cmd->vid)) {
1653 		printf("Invalid VID number: %d\n", parsed_cmd->vid);
1654 		return CMD_RET_FAILURE;
1655 	}
1656 
1657 	vsc9953_mac_table_show(parsed_cmd->port, parsed_cmd->vid);
1658 
1659 	return CMD_RET_SUCCESS;
1660 }
1661 
1662 static int vsc9953_fdb_flush_key_func(struct ethsw_command_def *parsed_cmd)
1663 {
1664 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL &&
1665 	    !VSC9953_PORT_CHECK(parsed_cmd->port)) {
1666 		printf("Invalid port number: %d\n", parsed_cmd->port);
1667 		return CMD_RET_FAILURE;
1668 	}
1669 
1670 	if (parsed_cmd->vid != ETHSW_CMD_VLAN_ALL &&
1671 	    !VSC9953_VLAN_CHECK(parsed_cmd->vid)) {
1672 		printf("Invalid VID number: %d\n", parsed_cmd->vid);
1673 		return CMD_RET_FAILURE;
1674 	}
1675 
1676 	vsc9953_mac_table_flush(parsed_cmd->port, parsed_cmd->vid);
1677 
1678 	return CMD_RET_SUCCESS;
1679 }
1680 
1681 static int vsc9953_fdb_entry_add_key_func(struct ethsw_command_def *parsed_cmd)
1682 {
1683 	int vid;
1684 
1685 	/* a port number must be present */
1686 	if (parsed_cmd->port == ETHSW_CMD_PORT_ALL) {
1687 		printf("Please specify a port\n");
1688 		return CMD_RET_FAILURE;
1689 	}
1690 
1691 	if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1692 		printf("Invalid port number: %d\n", parsed_cmd->port);
1693 		return CMD_RET_FAILURE;
1694 	}
1695 
1696 	/* Use VLAN 1 if VID is not set */
1697 	vid = (parsed_cmd->vid == ETHSW_CMD_VLAN_ALL ? 1 : parsed_cmd->vid);
1698 
1699 	if (!VSC9953_VLAN_CHECK(vid)) {
1700 		printf("Invalid VID number: %d\n", vid);
1701 		return CMD_RET_FAILURE;
1702 	}
1703 
1704 	if (vsc9953_mac_table_add(parsed_cmd->port, parsed_cmd->ethaddr, vid))
1705 		return CMD_RET_FAILURE;
1706 
1707 	return CMD_RET_SUCCESS;
1708 }
1709 
1710 static int vsc9953_fdb_entry_del_key_func(struct ethsw_command_def *parsed_cmd)
1711 {
1712 	int vid;
1713 
1714 	/* Use VLAN 1 if VID is not set */
1715 	vid = (parsed_cmd->vid == ETHSW_CMD_VLAN_ALL ? 1 : parsed_cmd->vid);
1716 
1717 	if (!VSC9953_VLAN_CHECK(vid)) {
1718 		printf("Invalid VID number: %d\n", vid);
1719 		return CMD_RET_FAILURE;
1720 	}
1721 
1722 	if (vsc9953_mac_table_del(parsed_cmd->ethaddr, vid))
1723 		return CMD_RET_FAILURE;
1724 
1725 	return CMD_RET_SUCCESS;
1726 }
1727 
1728 static int vsc9953_pvid_show_key_func(struct ethsw_command_def *parsed_cmd)
1729 {
1730 	int i;
1731 	int pvid;
1732 
1733 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1734 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1735 			printf("Invalid port number: %d\n", parsed_cmd->port);
1736 			return CMD_RET_FAILURE;
1737 		}
1738 
1739 		if (vsc9953_port_vlan_pvid_get(parsed_cmd->port, &pvid))
1740 			return CMD_RET_FAILURE;
1741 		printf("%7s %7s\n", "Port", "PVID");
1742 		printf("%7d %7d\n", parsed_cmd->port, pvid);
1743 	} else {
1744 		printf("%7s %7s\n", "Port", "PVID");
1745 		for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1746 			if (vsc9953_port_vlan_pvid_get(i, &pvid))
1747 				continue;
1748 			printf("%7d %7d\n", i, pvid);
1749 		}
1750 	}
1751 
1752 	return CMD_RET_SUCCESS;
1753 }
1754 
1755 static int vsc9953_pvid_set_key_func(struct ethsw_command_def *parsed_cmd)
1756 {
1757 	/* PVID number should be set in parsed_cmd->vid */
1758 	if (parsed_cmd->vid == ETHSW_CMD_VLAN_ALL) {
1759 		printf("Please set a pvid value\n");
1760 		return CMD_RET_FAILURE;
1761 	}
1762 
1763 	if (!VSC9953_VLAN_CHECK(parsed_cmd->vid)) {
1764 		printf("Invalid VID number: %d\n", parsed_cmd->vid);
1765 		return CMD_RET_FAILURE;
1766 	}
1767 
1768 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1769 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1770 			printf("Invalid port number: %d\n", parsed_cmd->port);
1771 			return CMD_RET_FAILURE;
1772 		}
1773 		vsc9953_port_vlan_pvid_set(parsed_cmd->port, parsed_cmd->vid);
1774 	} else {
1775 		vsc9953_port_all_vlan_pvid_set(parsed_cmd->vid);
1776 	}
1777 
1778 	return CMD_RET_SUCCESS;
1779 }
1780 
1781 static int vsc9953_vlan_show_key_func(struct ethsw_command_def *parsed_cmd)
1782 {
1783 	int i;
1784 
1785 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1786 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1787 			printf("Invalid port number: %d\n", parsed_cmd->port);
1788 			return CMD_RET_FAILURE;
1789 		}
1790 		vsc9953_vlan_membership_show(parsed_cmd->port);
1791 	} else {
1792 		for (i = 0; i < VSC9953_MAX_PORTS; i++)
1793 			vsc9953_vlan_membership_show(i);
1794 	}
1795 
1796 	return CMD_RET_SUCCESS;
1797 }
1798 
1799 static int vsc9953_vlan_set_key_func(struct ethsw_command_def *parsed_cmd)
1800 {
1801 	int i;
1802 	int add;
1803 
1804 	/* VLAN should be set in parsed_cmd->vid */
1805 	if (parsed_cmd->vid == ETHSW_CMD_VLAN_ALL) {
1806 		printf("Please set a vlan value\n");
1807 		return CMD_RET_FAILURE;
1808 	}
1809 
1810 	if (!VSC9953_VLAN_CHECK(parsed_cmd->vid)) {
1811 		printf("Invalid VID number: %d\n", parsed_cmd->vid);
1812 		return CMD_RET_FAILURE;
1813 	}
1814 
1815 	/* keywords add/delete should be the last but one in array */
1816 	if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 2] ==
1817 	    ethsw_id_add)
1818 		add = 1;
1819 	else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 2] ==
1820 		 ethsw_id_del)
1821 		add = 0;
1822 	else
1823 		return CMD_RET_USAGE;
1824 
1825 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1826 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1827 			printf("Invalid port number: %d\n", parsed_cmd->port);
1828 			return CMD_RET_FAILURE;
1829 		}
1830 		vsc9953_vlan_table_membership_set(parsed_cmd->vid,
1831 						  parsed_cmd->port, add);
1832 	} else {
1833 		for (i = 0; i < VSC9953_MAX_PORTS; i++)
1834 			vsc9953_vlan_table_membership_set(parsed_cmd->vid, i,
1835 							  add);
1836 	}
1837 
1838 	return CMD_RET_SUCCESS;
1839 }
1840 static int vsc9953_port_untag_show_key_func(
1841 		struct ethsw_command_def *parsed_cmd)
1842 {
1843 	int i;
1844 
1845 	printf("%7s\t%17s\n", "Port", "Untag");
1846 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1847 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1848 			printf("Invalid port number: %d\n", parsed_cmd->port);
1849 			return CMD_RET_FAILURE;
1850 		}
1851 		vsc9953_port_vlan_egr_untag_show(parsed_cmd->port);
1852 	} else {
1853 		for (i = 0; i < VSC9953_MAX_PORTS; i++)
1854 			vsc9953_port_vlan_egr_untag_show(i);
1855 	}
1856 
1857 	return CMD_RET_SUCCESS;
1858 }
1859 
1860 static int vsc9953_port_untag_set_key_func(struct ethsw_command_def *parsed_cmd)
1861 {
1862 	int i;
1863 	enum egress_untag_mode mode;
1864 
1865 	/* keywords for the untagged mode are the last in the array */
1866 	if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1867 	    ethsw_id_all)
1868 		mode = EGRESS_UNTAG_ALL;
1869 	else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1870 		 ethsw_id_none)
1871 		mode = EGRESS_UNTAG_NONE;
1872 	else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1873 		 ethsw_id_pvid)
1874 		mode = EGRESS_UNTAG_PVID_AND_ZERO;
1875 	else
1876 		return CMD_RET_USAGE;
1877 
1878 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1879 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1880 			printf("Invalid port number: %d\n", parsed_cmd->port);
1881 			return CMD_RET_FAILURE;
1882 		}
1883 		vsc9953_port_vlan_egr_untag_set(parsed_cmd->port, mode);
1884 	} else {
1885 		for (i = 0; i < VSC9953_MAX_PORTS; i++)
1886 			vsc9953_port_vlan_egr_untag_set(i, mode);
1887 	}
1888 
1889 	return CMD_RET_SUCCESS;
1890 }
1891 
1892 static int vsc9953_egr_vlan_tag_show_key_func(
1893 		struct ethsw_command_def *parsed_cmd)
1894 {
1895 	int i;
1896 	enum egress_vlan_tag mode;
1897 
1898 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1899 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1900 			printf("Invalid port number: %d\n", parsed_cmd->port);
1901 			return CMD_RET_FAILURE;
1902 		}
1903 		vsc9953_port_vlan_egress_tag_get(parsed_cmd->port, &mode);
1904 		printf("%7s\t%12s\n", "Port", "Egress VID");
1905 		printf("%7d\t", parsed_cmd->port);
1906 		switch (mode) {
1907 		case EGR_TAG_CLASS:
1908 			printf("%12s\n", "classified");
1909 			break;
1910 		case EGR_TAG_PVID:
1911 			printf("%12s\n", "pvid");
1912 			break;
1913 		default:
1914 			printf("%12s\n", "-");
1915 		}
1916 	} else {
1917 		printf("%7s\t%12s\n", "Port", "Egress VID");
1918 		for (i = 0; i < VSC9953_MAX_PORTS; i++) {
1919 			vsc9953_port_vlan_egress_tag_get(i, &mode);
1920 			switch (mode) {
1921 			case EGR_TAG_CLASS:
1922 				printf("%7d\t%12s\n", i, "classified");
1923 				break;
1924 			case EGR_TAG_PVID:
1925 				printf("%7d\t%12s\n", i, "pvid");
1926 				break;
1927 			default:
1928 				printf("%7d\t%12s\n", i, "-");
1929 			}
1930 		}
1931 	}
1932 
1933 	return CMD_RET_SUCCESS;
1934 }
1935 
1936 static int vsc9953_egr_vlan_tag_set_key_func(
1937 		struct ethsw_command_def *parsed_cmd)
1938 {
1939 	int i;
1940 	enum egress_vlan_tag mode;
1941 
1942 	/* keywords for the egress vlan tag mode are the last in the array */
1943 	if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1944 	    ethsw_id_pvid)
1945 		mode = EGR_TAG_PVID;
1946 	else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1947 		 ethsw_id_classified)
1948 		mode = EGR_TAG_CLASS;
1949 	else
1950 		return CMD_RET_USAGE;
1951 
1952 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
1953 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
1954 			printf("Invalid port number: %d\n", parsed_cmd->port);
1955 			return CMD_RET_FAILURE;
1956 		}
1957 		vsc9953_port_vlan_egress_tag_set(parsed_cmd->port, mode);
1958 	} else {
1959 		for (i = 0; i < VSC9953_MAX_PORTS; i++)
1960 			vsc9953_port_vlan_egress_tag_set(i, mode);
1961 	}
1962 
1963 	return CMD_RET_SUCCESS;
1964 }
1965 
1966 static int vsc9953_vlan_learn_show_key_func(
1967 		struct ethsw_command_def *parsed_cmd)
1968 {
1969 	int rc;
1970 	enum vlan_learning_mode mode;
1971 
1972 	rc = vsc9953_vlan_learning_get(&mode);
1973 	if (rc)
1974 		return CMD_RET_FAILURE;
1975 
1976 	switch (mode) {
1977 	case SHARED_VLAN_LEARNING:
1978 		printf("VLAN learning mode: shared\n");
1979 		break;
1980 	case PRIVATE_VLAN_LEARNING:
1981 		printf("VLAN learning mode: private\n");
1982 		break;
1983 	default:
1984 		printf("Unknown VLAN learning mode\n");
1985 		rc = CMD_RET_FAILURE;
1986 	}
1987 
1988 	return CMD_RET_SUCCESS;
1989 }
1990 
1991 static int vsc9953_vlan_learn_set_key_func(struct ethsw_command_def *parsed_cmd)
1992 {
1993 	enum vlan_learning_mode mode;
1994 
1995 	/* keywords for shared/private are the last in the array */
1996 	if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
1997 	    ethsw_id_shared)
1998 		mode = SHARED_VLAN_LEARNING;
1999 	else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
2000 		 ethsw_id_private)
2001 		mode = PRIVATE_VLAN_LEARNING;
2002 	else
2003 		return CMD_RET_USAGE;
2004 
2005 	vsc9953_vlan_learning_set(mode);
2006 
2007 	return CMD_RET_SUCCESS;
2008 }
2009 
2010 static int vsc9953_ingr_fltr_show_key_func(struct ethsw_command_def *parsed_cmd)
2011 {
2012 	int i;
2013 	int enabled;
2014 
2015 	printf("%7s\t%18s\n", "Port", "Ingress filtering");
2016 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
2017 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
2018 			printf("Invalid port number: %d\n", parsed_cmd->port);
2019 			return CMD_RET_FAILURE;
2020 		}
2021 		enabled = vsc9953_port_ingress_filtering_get(parsed_cmd->port);
2022 		printf("%7d\t%18s\n", parsed_cmd->port, enabled ? "enable" :
2023 								  "disable");
2024 	} else {
2025 		for (i = 0; i < VSC9953_MAX_PORTS; i++) {
2026 			enabled = vsc9953_port_ingress_filtering_get(i);
2027 			printf("%7d\t%18s\n", parsed_cmd->port, enabled ?
2028 								"enable" :
2029 								"disable");
2030 		}
2031 	}
2032 
2033 	return CMD_RET_SUCCESS;
2034 }
2035 
2036 static int vsc9953_ingr_fltr_set_key_func(struct ethsw_command_def *parsed_cmd)
2037 {
2038 	int i;
2039 	int enable;
2040 
2041 	/* keywords for enabling/disabling ingress filtering
2042 	 * are the last in the array
2043 	 */
2044 	if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
2045 	    ethsw_id_enable)
2046 		enable = 1;
2047 	else if (parsed_cmd->cmd_to_keywords[parsed_cmd->cmd_keywords_nr - 1] ==
2048 		 ethsw_id_disable)
2049 		enable = 0;
2050 	else
2051 		return CMD_RET_USAGE;
2052 
2053 	if (parsed_cmd->port != ETHSW_CMD_PORT_ALL) {
2054 		if (!VSC9953_PORT_CHECK(parsed_cmd->port)) {
2055 			printf("Invalid port number: %d\n", parsed_cmd->port);
2056 			return CMD_RET_FAILURE;
2057 		}
2058 		vsc9953_port_ingress_filtering_set(parsed_cmd->port, enable);
2059 	} else {
2060 		for (i = 0; i < VSC9953_MAX_PORTS; i++)
2061 			vsc9953_port_ingress_filtering_set(i, enable);
2062 	}
2063 
2064 	return CMD_RET_SUCCESS;
2065 }
2066 
2067 static struct ethsw_command_func vsc9953_cmd_func = {
2068 		.ethsw_name = "L2 Switch VSC9953",
2069 		.port_enable = &vsc9953_port_status_key_func,
2070 		.port_disable = &vsc9953_port_status_key_func,
2071 		.port_show = &vsc9953_port_config_key_func,
2072 		.port_stats = &vsc9953_port_stats_key_func,
2073 		.port_stats_clear = &vsc9953_port_stats_clear_key_func,
2074 		.port_learn = &vsc9953_learn_set_key_func,
2075 		.port_learn_show = &vsc9953_learn_show_key_func,
2076 		.fdb_show = &vsc9953_fdb_show_key_func,
2077 		.fdb_flush = &vsc9953_fdb_flush_key_func,
2078 		.fdb_entry_add = &vsc9953_fdb_entry_add_key_func,
2079 		.fdb_entry_del = &vsc9953_fdb_entry_del_key_func,
2080 		.pvid_show = &vsc9953_pvid_show_key_func,
2081 		.pvid_set = &vsc9953_pvid_set_key_func,
2082 		.vlan_show = &vsc9953_vlan_show_key_func,
2083 		.vlan_set = &vsc9953_vlan_set_key_func,
2084 		.port_untag_show = &vsc9953_port_untag_show_key_func,
2085 		.port_untag_set = &vsc9953_port_untag_set_key_func,
2086 		.port_egr_vlan_show = &vsc9953_egr_vlan_tag_show_key_func,
2087 		.port_egr_vlan_set = &vsc9953_egr_vlan_tag_set_key_func,
2088 		.vlan_learn_show = &vsc9953_vlan_learn_show_key_func,
2089 		.vlan_learn_set = &vsc9953_vlan_learn_set_key_func,
2090 		.port_ingr_filt_show = &vsc9953_ingr_fltr_show_key_func,
2091 		.port_ingr_filt_set = &vsc9953_ingr_fltr_set_key_func
2092 };
2093 
2094 #endif /* CONFIG_CMD_ETHSW */
2095 
2096 /*****************************************************************************
2097 At startup, the default configuration would be:
2098 	- HW learning enabled on all ports; (HW default)
2099 	- All ports are in VLAN 1;
2100 	- All ports are VLAN aware;
2101 	- All ports have POP_COUNT 1;
2102 	- All ports have PVID 1;
2103 	- All ports have TPID 0x8100; (HW default)
2104 	- All ports tag frames classified to all VLANs that are not PVID;
2105 *****************************************************************************/
2106 void vsc9953_default_configuration(void)
2107 {
2108 	int i;
2109 
2110 	for (i = 0; i < VSC9953_MAX_VLAN; i++)
2111 		vsc9953_vlan_table_membership_all_set(i, 0);
2112 	vsc9953_port_all_vlan_aware_set(1);
2113 	vsc9953_port_all_vlan_pvid_set(1);
2114 	vsc9953_port_all_vlan_poncnt_set(1);
2115 	vsc9953_vlan_table_membership_all_set(1, 1);
2116 	vsc9953_vlan_ingr_fltr_learn_drop(1);
2117 	vsc9953_port_all_vlan_egress_untagged_set(EGRESS_UNTAG_PVID_AND_ZERO);
2118 }
2119 
2120 void vsc9953_init(bd_t *bis)
2121 {
2122 	u32 i;
2123 	u32 hdx_cfg = 0;
2124 	u32 phy_addr = 0;
2125 	int timeout;
2126 	struct vsc9953_system_reg *l2sys_reg;
2127 	struct vsc9953_qsys_reg *l2qsys_reg;
2128 	struct vsc9953_dev_gmii *l2dev_gmii_reg;
2129 	struct vsc9953_analyzer *l2ana_reg;
2130 	struct vsc9953_devcpu_gcb *l2dev_gcb;
2131 
2132 	l2dev_gmii_reg = (struct vsc9953_dev_gmii *)(VSC9953_OFFSET +
2133 			VSC9953_DEV_GMII_OFFSET);
2134 
2135 	l2ana_reg = (struct vsc9953_analyzer *)(VSC9953_OFFSET +
2136 			VSC9953_ANA_OFFSET);
2137 
2138 	l2sys_reg = (struct vsc9953_system_reg *)(VSC9953_OFFSET +
2139 			VSC9953_SYS_OFFSET);
2140 
2141 	l2qsys_reg = (struct vsc9953_qsys_reg *)(VSC9953_OFFSET +
2142 			VSC9953_QSYS_OFFSET);
2143 
2144 	l2dev_gcb = (struct vsc9953_devcpu_gcb *)(VSC9953_OFFSET +
2145 			VSC9953_DEVCPU_GCB);
2146 
2147 	out_le32(&l2dev_gcb->chip_regs.soft_rst,
2148 		 VSC9953_SOFT_SWC_RST_ENA);
2149 	timeout = 50000;
2150 	while ((in_le32(&l2dev_gcb->chip_regs.soft_rst) &
2151 			VSC9953_SOFT_SWC_RST_ENA) && --timeout)
2152 		udelay(1); /* busy wait for vsc9953 soft reset */
2153 	if (timeout == 0)
2154 		debug("Timeout waiting for VSC9953 to reset\n");
2155 
2156 	out_le32(&l2sys_reg->sys.reset_cfg, VSC9953_MEM_ENABLE |
2157 		 VSC9953_MEM_INIT);
2158 
2159 	timeout = 50000;
2160 	while ((in_le32(&l2sys_reg->sys.reset_cfg) &
2161 		VSC9953_MEM_INIT) && --timeout)
2162 		udelay(1); /* busy wait for vsc9953 memory init */
2163 	if (timeout == 0)
2164 		debug("Timeout waiting for VSC9953 memory to initialize\n");
2165 
2166 	out_le32(&l2sys_reg->sys.reset_cfg, (in_le32(&l2sys_reg->sys.reset_cfg)
2167 			| VSC9953_CORE_ENABLE));
2168 
2169 	/* VSC9953 Setting to be done once only */
2170 	out_le32(&l2qsys_reg->sys.ext_cpu_cfg, 0x00000b00);
2171 
2172 	for (i = 0; i < VSC9953_MAX_PORTS; i++) {
2173 		if (vsc9953_port_init(i))
2174 			printf("Failed to initialize l2switch port %d\n", i);
2175 
2176 		/* Enable VSC9953 GMII Ports Port ID 0 - 7 */
2177 		if (VSC9953_INTERNAL_PORT_CHECK(i)) {
2178 			out_le32(&l2ana_reg->pfc[i].pfc_cfg,
2179 				 VSC9953_PFC_FC_QSGMII);
2180 			out_le32(&l2sys_reg->pause_cfg.mac_fc_cfg[i],
2181 				 VSC9953_MAC_FC_CFG_QSGMII);
2182 		} else {
2183 			out_le32(&l2ana_reg->pfc[i].pfc_cfg,
2184 				 VSC9953_PFC_FC);
2185 			out_le32(&l2sys_reg->pause_cfg.mac_fc_cfg[i],
2186 				 VSC9953_MAC_FC_CFG);
2187 		}
2188 		out_le32(&l2dev_gmii_reg->port_mode.clock_cfg,
2189 			 VSC9953_CLOCK_CFG);
2190 		out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_ena_cfg,
2191 			 VSC9953_MAC_ENA_CFG);
2192 		out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_mode_cfg,
2193 			 VSC9953_MAC_MODE_CFG);
2194 		out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_ifg_cfg,
2195 			 VSC9953_MAC_IFG_CFG);
2196 		/* mac_hdx_cfg varies with port id*/
2197 		hdx_cfg = VSC9953_MAC_HDX_CFG | (i << 16);
2198 		out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_hdx_cfg, hdx_cfg);
2199 		out_le32(&l2sys_reg->sys.front_port_mode[i],
2200 			 VSC9953_FRONT_PORT_MODE);
2201 		setbits_le32(&l2qsys_reg->sys.switch_port_mode[i],
2202 			     VSC9953_PORT_ENA);
2203 		out_le32(&l2dev_gmii_reg->mac_cfg_status.mac_maxlen_cfg,
2204 			 VSC9953_MAC_MAX_LEN);
2205 		out_le32(&l2sys_reg->pause_cfg.pause_cfg[i],
2206 			 VSC9953_PAUSE_CFG);
2207 		/* WAIT FOR 2 us*/
2208 		udelay(2);
2209 
2210 		l2dev_gmii_reg = (struct vsc9953_dev_gmii *)(
2211 				(char *)l2dev_gmii_reg
2212 				+ T1040_SWITCH_GMII_DEV_OFFSET);
2213 
2214 		/* Initialize Lynx PHY Wrappers */
2215 		phy_addr = 0;
2216 		if (vsc9953_l2sw.port[i].enet_if ==
2217 				PHY_INTERFACE_MODE_QSGMII)
2218 			phy_addr = (i + 0x4) & 0x1F;
2219 		else if (vsc9953_l2sw.port[i].enet_if ==
2220 				PHY_INTERFACE_MODE_SGMII)
2221 			phy_addr = (i + 1) & 0x1F;
2222 
2223 		if (phy_addr) {
2224 			/* SGMII IF mode + AN enable */
2225 			vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
2226 					   0x14, PHY_SGMII_IF_MODE_AN |
2227 					   PHY_SGMII_IF_MODE_SGMII);
2228 			/* Dev ability according to SGMII specification */
2229 			vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
2230 					   0x4, PHY_SGMII_DEV_ABILITY_SGMII);
2231 			/* Adjust link timer for SGMII
2232 			 * 1.6 ms in units of 8 ns = 2 * 10^5 = 0x30d40
2233 			 */
2234 			vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
2235 					   0x13, 0x0003);
2236 			vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
2237 					   0x12, 0x0d40);
2238 			/* Restart AN */
2239 			vsc9953_mdio_write(&l2dev_gcb->mii_mng[0], phy_addr,
2240 					   0x0, PHY_SGMII_CR_DEF_VAL |
2241 					   PHY_SGMII_CR_RESET_AN);
2242 
2243 			timeout = 50000;
2244 			while ((vsc9953_mdio_read(&l2dev_gcb->mii_mng[0],
2245 					phy_addr, 0x01) & 0x0020) && --timeout)
2246 				udelay(1); /* wait for AN to complete */
2247 			if (timeout == 0)
2248 				debug("Timeout waiting for AN to complete\n");
2249 		}
2250 	}
2251 
2252 	vsc9953_default_configuration();
2253 
2254 #ifdef CONFIG_CMD_ETHSW
2255 	if (ethsw_define_functions(&vsc9953_cmd_func) < 0)
2256 		debug("Unable to use \"ethsw\" commands\n");
2257 #endif
2258 
2259 	printf("VSC9953 L2 switch initialized\n");
2260 	return;
2261 }
2262