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20#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
21
22#include <linux/delay.h>
23#include <linux/export.h>
24#include <linux/gpio.h>
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/platform_data/b53.h>
28#include <linux/phy.h>
29#include <linux/phylink.h>
30#include <linux/etherdevice.h>
31#include <linux/if_bridge.h>
32#include <net/dsa.h>
33
34#include "b53_regs.h"
35#include "b53_priv.h"
36
37struct b53_mib_desc {
38 u8 size;
39 u8 offset;
40 const char *name;
41};
42
43
44static const struct b53_mib_desc b53_mibs_65[] = {
45 { 8, 0x00, "TxOctets" },
46 { 4, 0x08, "TxDropPkts" },
47 { 4, 0x10, "TxBroadcastPkts" },
48 { 4, 0x14, "TxMulticastPkts" },
49 { 4, 0x18, "TxUnicastPkts" },
50 { 4, 0x1c, "TxCollisions" },
51 { 4, 0x20, "TxSingleCollision" },
52 { 4, 0x24, "TxMultipleCollision" },
53 { 4, 0x28, "TxDeferredTransmit" },
54 { 4, 0x2c, "TxLateCollision" },
55 { 4, 0x30, "TxExcessiveCollision" },
56 { 4, 0x38, "TxPausePkts" },
57 { 8, 0x44, "RxOctets" },
58 { 4, 0x4c, "RxUndersizePkts" },
59 { 4, 0x50, "RxPausePkts" },
60 { 4, 0x54, "Pkts64Octets" },
61 { 4, 0x58, "Pkts65to127Octets" },
62 { 4, 0x5c, "Pkts128to255Octets" },
63 { 4, 0x60, "Pkts256to511Octets" },
64 { 4, 0x64, "Pkts512to1023Octets" },
65 { 4, 0x68, "Pkts1024to1522Octets" },
66 { 4, 0x6c, "RxOversizePkts" },
67 { 4, 0x70, "RxJabbers" },
68 { 4, 0x74, "RxAlignmentErrors" },
69 { 4, 0x78, "RxFCSErrors" },
70 { 8, 0x7c, "RxGoodOctets" },
71 { 4, 0x84, "RxDropPkts" },
72 { 4, 0x88, "RxUnicastPkts" },
73 { 4, 0x8c, "RxMulticastPkts" },
74 { 4, 0x90, "RxBroadcastPkts" },
75 { 4, 0x94, "RxSAChanges" },
76 { 4, 0x98, "RxFragments" },
77};
78
79#define B53_MIBS_65_SIZE ARRAY_SIZE(b53_mibs_65)
80
81
82static const struct b53_mib_desc b53_mibs_63xx[] = {
83 { 8, 0x00, "TxOctets" },
84 { 4, 0x08, "TxDropPkts" },
85 { 4, 0x0c, "TxQoSPkts" },
86 { 4, 0x10, "TxBroadcastPkts" },
87 { 4, 0x14, "TxMulticastPkts" },
88 { 4, 0x18, "TxUnicastPkts" },
89 { 4, 0x1c, "TxCollisions" },
90 { 4, 0x20, "TxSingleCollision" },
91 { 4, 0x24, "TxMultipleCollision" },
92 { 4, 0x28, "TxDeferredTransmit" },
93 { 4, 0x2c, "TxLateCollision" },
94 { 4, 0x30, "TxExcessiveCollision" },
95 { 4, 0x38, "TxPausePkts" },
96 { 8, 0x3c, "TxQoSOctets" },
97 { 8, 0x44, "RxOctets" },
98 { 4, 0x4c, "RxUndersizePkts" },
99 { 4, 0x50, "RxPausePkts" },
100 { 4, 0x54, "Pkts64Octets" },
101 { 4, 0x58, "Pkts65to127Octets" },
102 { 4, 0x5c, "Pkts128to255Octets" },
103 { 4, 0x60, "Pkts256to511Octets" },
104 { 4, 0x64, "Pkts512to1023Octets" },
105 { 4, 0x68, "Pkts1024to1522Octets" },
106 { 4, 0x6c, "RxOversizePkts" },
107 { 4, 0x70, "RxJabbers" },
108 { 4, 0x74, "RxAlignmentErrors" },
109 { 4, 0x78, "RxFCSErrors" },
110 { 8, 0x7c, "RxGoodOctets" },
111 { 4, 0x84, "RxDropPkts" },
112 { 4, 0x88, "RxUnicastPkts" },
113 { 4, 0x8c, "RxMulticastPkts" },
114 { 4, 0x90, "RxBroadcastPkts" },
115 { 4, 0x94, "RxSAChanges" },
116 { 4, 0x98, "RxFragments" },
117 { 4, 0xa0, "RxSymbolErrors" },
118 { 4, 0xa4, "RxQoSPkts" },
119 { 8, 0xa8, "RxQoSOctets" },
120 { 4, 0xb0, "Pkts1523to2047Octets" },
121 { 4, 0xb4, "Pkts2048to4095Octets" },
122 { 4, 0xb8, "Pkts4096to8191Octets" },
123 { 4, 0xbc, "Pkts8192to9728Octets" },
124 { 4, 0xc0, "RxDiscarded" },
125};
126
127#define B53_MIBS_63XX_SIZE ARRAY_SIZE(b53_mibs_63xx)
128
129
130static const struct b53_mib_desc b53_mibs[] = {
131 { 8, 0x00, "TxOctets" },
132 { 4, 0x08, "TxDropPkts" },
133 { 4, 0x10, "TxBroadcastPkts" },
134 { 4, 0x14, "TxMulticastPkts" },
135 { 4, 0x18, "TxUnicastPkts" },
136 { 4, 0x1c, "TxCollisions" },
137 { 4, 0x20, "TxSingleCollision" },
138 { 4, 0x24, "TxMultipleCollision" },
139 { 4, 0x28, "TxDeferredTransmit" },
140 { 4, 0x2c, "TxLateCollision" },
141 { 4, 0x30, "TxExcessiveCollision" },
142 { 4, 0x38, "TxPausePkts" },
143 { 8, 0x50, "RxOctets" },
144 { 4, 0x58, "RxUndersizePkts" },
145 { 4, 0x5c, "RxPausePkts" },
146 { 4, 0x60, "Pkts64Octets" },
147 { 4, 0x64, "Pkts65to127Octets" },
148 { 4, 0x68, "Pkts128to255Octets" },
149 { 4, 0x6c, "Pkts256to511Octets" },
150 { 4, 0x70, "Pkts512to1023Octets" },
151 { 4, 0x74, "Pkts1024to1522Octets" },
152 { 4, 0x78, "RxOversizePkts" },
153 { 4, 0x7c, "RxJabbers" },
154 { 4, 0x80, "RxAlignmentErrors" },
155 { 4, 0x84, "RxFCSErrors" },
156 { 8, 0x88, "RxGoodOctets" },
157 { 4, 0x90, "RxDropPkts" },
158 { 4, 0x94, "RxUnicastPkts" },
159 { 4, 0x98, "RxMulticastPkts" },
160 { 4, 0x9c, "RxBroadcastPkts" },
161 { 4, 0xa0, "RxSAChanges" },
162 { 4, 0xa4, "RxFragments" },
163 { 4, 0xa8, "RxJumboPkts" },
164 { 4, 0xac, "RxSymbolErrors" },
165 { 4, 0xc0, "RxDiscarded" },
166};
167
168#define B53_MIBS_SIZE ARRAY_SIZE(b53_mibs)
169
170static const struct b53_mib_desc b53_mibs_58xx[] = {
171 { 8, 0x00, "TxOctets" },
172 { 4, 0x08, "TxDropPkts" },
173 { 4, 0x0c, "TxQPKTQ0" },
174 { 4, 0x10, "TxBroadcastPkts" },
175 { 4, 0x14, "TxMulticastPkts" },
176 { 4, 0x18, "TxUnicastPKts" },
177 { 4, 0x1c, "TxCollisions" },
178 { 4, 0x20, "TxSingleCollision" },
179 { 4, 0x24, "TxMultipleCollision" },
180 { 4, 0x28, "TxDeferredCollision" },
181 { 4, 0x2c, "TxLateCollision" },
182 { 4, 0x30, "TxExcessiveCollision" },
183 { 4, 0x34, "TxFrameInDisc" },
184 { 4, 0x38, "TxPausePkts" },
185 { 4, 0x3c, "TxQPKTQ1" },
186 { 4, 0x40, "TxQPKTQ2" },
187 { 4, 0x44, "TxQPKTQ3" },
188 { 4, 0x48, "TxQPKTQ4" },
189 { 4, 0x4c, "TxQPKTQ5" },
190 { 8, 0x50, "RxOctets" },
191 { 4, 0x58, "RxUndersizePkts" },
192 { 4, 0x5c, "RxPausePkts" },
193 { 4, 0x60, "RxPkts64Octets" },
194 { 4, 0x64, "RxPkts65to127Octets" },
195 { 4, 0x68, "RxPkts128to255Octets" },
196 { 4, 0x6c, "RxPkts256to511Octets" },
197 { 4, 0x70, "RxPkts512to1023Octets" },
198 { 4, 0x74, "RxPkts1024toMaxPktsOctets" },
199 { 4, 0x78, "RxOversizePkts" },
200 { 4, 0x7c, "RxJabbers" },
201 { 4, 0x80, "RxAlignmentErrors" },
202 { 4, 0x84, "RxFCSErrors" },
203 { 8, 0x88, "RxGoodOctets" },
204 { 4, 0x90, "RxDropPkts" },
205 { 4, 0x94, "RxUnicastPkts" },
206 { 4, 0x98, "RxMulticastPkts" },
207 { 4, 0x9c, "RxBroadcastPkts" },
208 { 4, 0xa0, "RxSAChanges" },
209 { 4, 0xa4, "RxFragments" },
210 { 4, 0xa8, "RxJumboPkt" },
211 { 4, 0xac, "RxSymblErr" },
212 { 4, 0xb0, "InRangeErrCount" },
213 { 4, 0xb4, "OutRangeErrCount" },
214 { 4, 0xb8, "EEELpiEvent" },
215 { 4, 0xbc, "EEELpiDuration" },
216 { 4, 0xc0, "RxDiscard" },
217 { 4, 0xc8, "TxQPKTQ6" },
218 { 4, 0xcc, "TxQPKTQ7" },
219 { 4, 0xd0, "TxPkts64Octets" },
220 { 4, 0xd4, "TxPkts65to127Octets" },
221 { 4, 0xd8, "TxPkts128to255Octets" },
222 { 4, 0xdc, "TxPkts256to511Ocets" },
223 { 4, 0xe0, "TxPkts512to1023Ocets" },
224 { 4, 0xe4, "TxPkts1024toMaxPktOcets" },
225};
226
227#define B53_MIBS_58XX_SIZE ARRAY_SIZE(b53_mibs_58xx)
228
229static int b53_do_vlan_op(struct b53_device *dev, u8 op)
230{
231 unsigned int i;
232
233 b53_write8(dev, B53_ARLIO_PAGE, dev->vta_regs[0], VTA_START_CMD | op);
234
235 for (i = 0; i < 10; i++) {
236 u8 vta;
237
238 b53_read8(dev, B53_ARLIO_PAGE, dev->vta_regs[0], &vta);
239 if (!(vta & VTA_START_CMD))
240 return 0;
241
242 usleep_range(100, 200);
243 }
244
245 return -EIO;
246}
247
248static void b53_set_vlan_entry(struct b53_device *dev, u16 vid,
249 struct b53_vlan *vlan)
250{
251 if (is5325(dev)) {
252 u32 entry = 0;
253
254 if (vlan->members) {
255 entry = ((vlan->untag & VA_UNTAG_MASK_25) <<
256 VA_UNTAG_S_25) | vlan->members;
257 if (dev->core_rev >= 3)
258 entry |= VA_VALID_25_R4 | vid << VA_VID_HIGH_S;
259 else
260 entry |= VA_VALID_25;
261 }
262
263 b53_write32(dev, B53_VLAN_PAGE, B53_VLAN_WRITE_25, entry);
264 b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_TABLE_ACCESS_25, vid |
265 VTA_RW_STATE_WR | VTA_RW_OP_EN);
266 } else if (is5365(dev)) {
267 u16 entry = 0;
268
269 if (vlan->members)
270 entry = ((vlan->untag & VA_UNTAG_MASK_65) <<
271 VA_UNTAG_S_65) | vlan->members | VA_VALID_65;
272
273 b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_WRITE_65, entry);
274 b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_TABLE_ACCESS_65, vid |
275 VTA_RW_STATE_WR | VTA_RW_OP_EN);
276 } else {
277 b53_write16(dev, B53_ARLIO_PAGE, dev->vta_regs[1], vid);
278 b53_write32(dev, B53_ARLIO_PAGE, dev->vta_regs[2],
279 (vlan->untag << VTE_UNTAG_S) | vlan->members);
280
281 b53_do_vlan_op(dev, VTA_CMD_WRITE);
282 }
283
284 dev_dbg(dev->ds->dev, "VID: %d, members: 0x%04x, untag: 0x%04x\n",
285 vid, vlan->members, vlan->untag);
286}
287
288static void b53_get_vlan_entry(struct b53_device *dev, u16 vid,
289 struct b53_vlan *vlan)
290{
291 if (is5325(dev)) {
292 u32 entry = 0;
293
294 b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_TABLE_ACCESS_25, vid |
295 VTA_RW_STATE_RD | VTA_RW_OP_EN);
296 b53_read32(dev, B53_VLAN_PAGE, B53_VLAN_WRITE_25, &entry);
297
298 if (dev->core_rev >= 3)
299 vlan->valid = !!(entry & VA_VALID_25_R4);
300 else
301 vlan->valid = !!(entry & VA_VALID_25);
302 vlan->members = entry & VA_MEMBER_MASK;
303 vlan->untag = (entry >> VA_UNTAG_S_25) & VA_UNTAG_MASK_25;
304
305 } else if (is5365(dev)) {
306 u16 entry = 0;
307
308 b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_TABLE_ACCESS_65, vid |
309 VTA_RW_STATE_WR | VTA_RW_OP_EN);
310 b53_read16(dev, B53_VLAN_PAGE, B53_VLAN_WRITE_65, &entry);
311
312 vlan->valid = !!(entry & VA_VALID_65);
313 vlan->members = entry & VA_MEMBER_MASK;
314 vlan->untag = (entry >> VA_UNTAG_S_65) & VA_UNTAG_MASK_65;
315 } else {
316 u32 entry = 0;
317
318 b53_write16(dev, B53_ARLIO_PAGE, dev->vta_regs[1], vid);
319 b53_do_vlan_op(dev, VTA_CMD_READ);
320 b53_read32(dev, B53_ARLIO_PAGE, dev->vta_regs[2], &entry);
321 vlan->members = entry & VTE_MEMBERS;
322 vlan->untag = (entry >> VTE_UNTAG_S) & VTE_MEMBERS;
323 vlan->valid = true;
324 }
325}
326
327static void b53_set_forwarding(struct b53_device *dev, int enable)
328{
329 u8 mgmt;
330
331 b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, &mgmt);
332
333 if (enable)
334 mgmt |= SM_SW_FWD_EN;
335 else
336 mgmt &= ~SM_SW_FWD_EN;
337
338 b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, mgmt);
339
340
341
342 b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_CTRL, &mgmt);
343 mgmt |= B53_MII_DUMB_FWDG_EN;
344 b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_CTRL, mgmt);
345}
346
347static void b53_enable_vlan(struct b53_device *dev, bool enable,
348 bool enable_filtering)
349{
350 u8 mgmt, vc0, vc1, vc4 = 0, vc5;
351
352 b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, &mgmt);
353 b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL0, &vc0);
354 b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL1, &vc1);
355
356 if (is5325(dev) || is5365(dev)) {
357 b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL4_25, &vc4);
358 b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL5_25, &vc5);
359 } else if (is63xx(dev)) {
360 b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL4_63XX, &vc4);
361 b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL5_63XX, &vc5);
362 } else {
363 b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL4, &vc4);
364 b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL5, &vc5);
365 }
366
367 mgmt &= ~SM_SW_FWD_MODE;
368
369 if (enable) {
370 vc0 |= VC0_VLAN_EN | VC0_VID_CHK_EN | VC0_VID_HASH_VID;
371 vc1 |= VC1_RX_MCST_UNTAG_EN | VC1_RX_MCST_FWD_EN;
372 vc4 &= ~VC4_ING_VID_CHECK_MASK;
373 if (enable_filtering) {
374 vc4 |= VC4_ING_VID_VIO_DROP << VC4_ING_VID_CHECK_S;
375 vc5 |= VC5_DROP_VTABLE_MISS;
376 } else {
377 vc4 |= VC4_ING_VID_VIO_FWD << VC4_ING_VID_CHECK_S;
378 vc5 &= ~VC5_DROP_VTABLE_MISS;
379 }
380
381 if (is5325(dev))
382 vc0 &= ~VC0_RESERVED_1;
383
384 if (is5325(dev) || is5365(dev))
385 vc1 |= VC1_RX_MCST_TAG_EN;
386
387 } else {
388 vc0 &= ~(VC0_VLAN_EN | VC0_VID_CHK_EN | VC0_VID_HASH_VID);
389 vc1 &= ~(VC1_RX_MCST_UNTAG_EN | VC1_RX_MCST_FWD_EN);
390 vc4 &= ~VC4_ING_VID_CHECK_MASK;
391 vc5 &= ~VC5_DROP_VTABLE_MISS;
392
393 if (is5325(dev) || is5365(dev))
394 vc4 |= VC4_ING_VID_VIO_FWD << VC4_ING_VID_CHECK_S;
395 else
396 vc4 |= VC4_ING_VID_VIO_TO_IMP << VC4_ING_VID_CHECK_S;
397
398 if (is5325(dev) || is5365(dev))
399 vc1 &= ~VC1_RX_MCST_TAG_EN;
400 }
401
402 if (!is5325(dev) && !is5365(dev))
403 vc5 &= ~VC5_VID_FFF_EN;
404
405 b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL0, vc0);
406 b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL1, vc1);
407
408 if (is5325(dev) || is5365(dev)) {
409
410 if (is5325(dev) && enable)
411 b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL3,
412 VC3_HIGH_8BIT_EN);
413 else
414 b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL3, 0);
415
416 b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL4_25, vc4);
417 b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL5_25, vc5);
418 } else if (is63xx(dev)) {
419 b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_CTRL3_63XX, 0);
420 b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL4_63XX, vc4);
421 b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL5_63XX, vc5);
422 } else {
423 b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_CTRL3, 0);
424 b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL4, vc4);
425 b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL5, vc5);
426 }
427
428 b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, mgmt);
429
430 dev->vlan_enabled = enable;
431}
432
433static int b53_set_jumbo(struct b53_device *dev, bool enable, bool allow_10_100)
434{
435 u32 port_mask = 0;
436 u16 max_size = JMS_MIN_SIZE;
437
438 if (is5325(dev) || is5365(dev))
439 return -EINVAL;
440
441 if (enable) {
442 port_mask = dev->enabled_ports;
443 max_size = JMS_MAX_SIZE;
444 if (allow_10_100)
445 port_mask |= JPM_10_100_JUMBO_EN;
446 }
447
448 b53_write32(dev, B53_JUMBO_PAGE, dev->jumbo_pm_reg, port_mask);
449 return b53_write16(dev, B53_JUMBO_PAGE, dev->jumbo_size_reg, max_size);
450}
451
452static int b53_flush_arl(struct b53_device *dev, u8 mask)
453{
454 unsigned int i;
455
456 b53_write8(dev, B53_CTRL_PAGE, B53_FAST_AGE_CTRL,
457 FAST_AGE_DONE | FAST_AGE_DYNAMIC | mask);
458
459 for (i = 0; i < 10; i++) {
460 u8 fast_age_ctrl;
461
462 b53_read8(dev, B53_CTRL_PAGE, B53_FAST_AGE_CTRL,
463 &fast_age_ctrl);
464
465 if (!(fast_age_ctrl & FAST_AGE_DONE))
466 goto out;
467
468 msleep(1);
469 }
470
471 return -ETIMEDOUT;
472out:
473
474 b53_write8(dev, B53_CTRL_PAGE, B53_FAST_AGE_CTRL, FAST_AGE_DYNAMIC);
475 return 0;
476}
477
478static int b53_fast_age_port(struct b53_device *dev, int port)
479{
480 b53_write8(dev, B53_CTRL_PAGE, B53_FAST_AGE_PORT_CTRL, port);
481
482 return b53_flush_arl(dev, FAST_AGE_PORT);
483}
484
485static int b53_fast_age_vlan(struct b53_device *dev, u16 vid)
486{
487 b53_write16(dev, B53_CTRL_PAGE, B53_FAST_AGE_VID_CTRL, vid);
488
489 return b53_flush_arl(dev, FAST_AGE_VLAN);
490}
491
492void b53_imp_vlan_setup(struct dsa_switch *ds, int cpu_port)
493{
494 struct b53_device *dev = ds->priv;
495 unsigned int i;
496 u16 pvlan;
497
498
499
500
501
502 b53_for_each_port(dev, i) {
503 b53_read16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(i), &pvlan);
504 pvlan |= BIT(cpu_port);
505 b53_write16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(i), pvlan);
506 }
507}
508EXPORT_SYMBOL(b53_imp_vlan_setup);
509
510int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy)
511{
512 struct b53_device *dev = ds->priv;
513 unsigned int cpu_port = ds->ports[port].cpu_dp->index;
514 int ret = 0;
515 u16 pvlan;
516
517 if (dev->ops->irq_enable)
518 ret = dev->ops->irq_enable(dev, port);
519 if (ret)
520 return ret;
521
522
523 b53_write8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(port), 0);
524
525
526
527
528
529 b53_read16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(port), &pvlan);
530 pvlan &= ~0x1ff;
531 pvlan |= BIT(port);
532 pvlan |= dev->ports[port].vlan_ctl_mask;
533 b53_write16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(port), pvlan);
534
535 b53_imp_vlan_setup(ds, cpu_port);
536
537
538 if (dev->ports[port].eee.eee_enabled)
539 b53_eee_enable_set(ds, port, true);
540
541 return 0;
542}
543EXPORT_SYMBOL(b53_enable_port);
544
545void b53_disable_port(struct dsa_switch *ds, int port)
546{
547 struct b53_device *dev = ds->priv;
548 u8 reg;
549
550
551 b53_read8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(port), ®);
552 reg |= PORT_CTRL_RX_DISABLE | PORT_CTRL_TX_DISABLE;
553 b53_write8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(port), reg);
554
555 if (dev->ops->irq_disable)
556 dev->ops->irq_disable(dev, port);
557}
558EXPORT_SYMBOL(b53_disable_port);
559
560void b53_brcm_hdr_setup(struct dsa_switch *ds, int port)
561{
562 bool tag_en = !(ds->ops->get_tag_protocol(ds, port) ==
563 DSA_TAG_PROTO_NONE);
564 struct b53_device *dev = ds->priv;
565 u8 hdr_ctl, val;
566 u16 reg;
567
568
569 switch (port) {
570 case 8:
571 val = BRCM_HDR_P8_EN;
572 break;
573 case 7:
574 val = BRCM_HDR_P7_EN;
575 break;
576 case 5:
577 val = BRCM_HDR_P5_EN;
578 break;
579 default:
580 val = 0;
581 break;
582 }
583
584
585 b53_read8(dev, B53_MGMT_PAGE, B53_BRCM_HDR, &hdr_ctl);
586 if (tag_en)
587 hdr_ctl |= val;
588 else
589 hdr_ctl &= ~val;
590 b53_write8(dev, B53_MGMT_PAGE, B53_BRCM_HDR, hdr_ctl);
591
592
593 if (!is58xx(dev))
594 return;
595
596
597
598
599 b53_read16(dev, B53_MGMT_PAGE, B53_BRCM_HDR_RX_DIS, ®);
600 if (tag_en)
601 reg &= ~BIT(port);
602 else
603 reg |= BIT(port);
604 b53_write16(dev, B53_MGMT_PAGE, B53_BRCM_HDR_RX_DIS, reg);
605
606
607
608
609 b53_read16(dev, B53_MGMT_PAGE, B53_BRCM_HDR_TX_DIS, ®);
610 if (tag_en)
611 reg &= ~BIT(port);
612 else
613 reg |= BIT(port);
614 b53_write16(dev, B53_MGMT_PAGE, B53_BRCM_HDR_TX_DIS, reg);
615}
616EXPORT_SYMBOL(b53_brcm_hdr_setup);
617
618static void b53_enable_cpu_port(struct b53_device *dev, int port)
619{
620 u8 port_ctrl;
621
622
623 if ((is5325(dev) || is5365(dev)) && port == B53_CPU_PORT_25)
624 port = B53_CPU_PORT;
625
626 port_ctrl = PORT_CTRL_RX_BCST_EN |
627 PORT_CTRL_RX_MCST_EN |
628 PORT_CTRL_RX_UCST_EN;
629 b53_write8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(port), port_ctrl);
630
631 b53_brcm_hdr_setup(dev->ds, port);
632}
633
634static void b53_enable_mib(struct b53_device *dev)
635{
636 u8 gc;
637
638 b53_read8(dev, B53_MGMT_PAGE, B53_GLOBAL_CONFIG, &gc);
639 gc &= ~(GC_RESET_MIB | GC_MIB_AC_EN);
640 b53_write8(dev, B53_MGMT_PAGE, B53_GLOBAL_CONFIG, gc);
641}
642
643static u16 b53_default_pvid(struct b53_device *dev)
644{
645 if (is5325(dev) || is5365(dev))
646 return 1;
647 else
648 return 0;
649}
650
651int b53_configure_vlan(struct dsa_switch *ds)
652{
653 struct b53_device *dev = ds->priv;
654 struct b53_vlan vl = { 0 };
655 int i, def_vid;
656
657 def_vid = b53_default_pvid(dev);
658
659
660 if (is5325(dev) || is5365(dev)) {
661 for (i = def_vid; i < dev->num_vlans; i++)
662 b53_set_vlan_entry(dev, i, &vl);
663 } else {
664 b53_do_vlan_op(dev, VTA_CMD_CLEAR);
665 }
666
667 b53_enable_vlan(dev, false, ds->vlan_filtering);
668
669 b53_for_each_port(dev, i)
670 b53_write16(dev, B53_VLAN_PAGE,
671 B53_VLAN_PORT_DEF_TAG(i), def_vid);
672
673 if (!is5325(dev) && !is5365(dev))
674 b53_set_jumbo(dev, dev->enable_jumbo, false);
675
676 return 0;
677}
678EXPORT_SYMBOL(b53_configure_vlan);
679
680static void b53_switch_reset_gpio(struct b53_device *dev)
681{
682 int gpio = dev->reset_gpio;
683
684 if (gpio < 0)
685 return;
686
687
688
689 gpio_set_value(gpio, 0);
690 mdelay(50);
691
692 gpio_set_value(gpio, 1);
693 mdelay(20);
694
695 dev->current_page = 0xff;
696}
697
698static int b53_switch_reset(struct b53_device *dev)
699{
700 unsigned int timeout = 1000;
701 u8 mgmt, reg;
702
703 b53_switch_reset_gpio(dev);
704
705 if (is539x(dev)) {
706 b53_write8(dev, B53_CTRL_PAGE, B53_SOFTRESET, 0x83);
707 b53_write8(dev, B53_CTRL_PAGE, B53_SOFTRESET, 0x00);
708 }
709
710
711
712
713
714
715 if (dev->chip_id == BCM58XX_DEVICE_ID ||
716 dev->chip_id == BCM583XX_DEVICE_ID) {
717 b53_read8(dev, B53_CTRL_PAGE, B53_SOFTRESET, ®);
718 reg |= SW_RST | EN_SW_RST | EN_CH_RST;
719 b53_write8(dev, B53_CTRL_PAGE, B53_SOFTRESET, reg);
720
721 do {
722 b53_read8(dev, B53_CTRL_PAGE, B53_SOFTRESET, ®);
723 if (!(reg & SW_RST))
724 break;
725
726 usleep_range(1000, 2000);
727 } while (timeout-- > 0);
728
729 if (timeout == 0)
730 return -ETIMEDOUT;
731 }
732
733 b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, &mgmt);
734
735 if (!(mgmt & SM_SW_FWD_EN)) {
736 mgmt &= ~SM_SW_FWD_MODE;
737 mgmt |= SM_SW_FWD_EN;
738
739 b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, mgmt);
740 b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, &mgmt);
741
742 if (!(mgmt & SM_SW_FWD_EN)) {
743 dev_err(dev->dev, "Failed to enable switch!\n");
744 return -EINVAL;
745 }
746 }
747
748 b53_enable_mib(dev);
749
750 return b53_flush_arl(dev, FAST_AGE_STATIC);
751}
752
753static int b53_phy_read16(struct dsa_switch *ds, int addr, int reg)
754{
755 struct b53_device *priv = ds->priv;
756 u16 value = 0;
757 int ret;
758
759 if (priv->ops->phy_read16)
760 ret = priv->ops->phy_read16(priv, addr, reg, &value);
761 else
762 ret = b53_read16(priv, B53_PORT_MII_PAGE(addr),
763 reg * 2, &value);
764
765 return ret ? ret : value;
766}
767
768static int b53_phy_write16(struct dsa_switch *ds, int addr, int reg, u16 val)
769{
770 struct b53_device *priv = ds->priv;
771
772 if (priv->ops->phy_write16)
773 return priv->ops->phy_write16(priv, addr, reg, val);
774
775 return b53_write16(priv, B53_PORT_MII_PAGE(addr), reg * 2, val);
776}
777
778static int b53_reset_switch(struct b53_device *priv)
779{
780
781 priv->enable_jumbo = false;
782
783 memset(priv->vlans, 0, sizeof(*priv->vlans) * priv->num_vlans);
784 memset(priv->ports, 0, sizeof(*priv->ports) * priv->num_ports);
785
786 priv->serdes_lane = B53_INVALID_LANE;
787
788 return b53_switch_reset(priv);
789}
790
791static int b53_apply_config(struct b53_device *priv)
792{
793
794 b53_set_forwarding(priv, 0);
795
796 b53_configure_vlan(priv->ds);
797
798
799 b53_set_forwarding(priv, 1);
800
801 return 0;
802}
803
804static void b53_reset_mib(struct b53_device *priv)
805{
806 u8 gc;
807
808 b53_read8(priv, B53_MGMT_PAGE, B53_GLOBAL_CONFIG, &gc);
809
810 b53_write8(priv, B53_MGMT_PAGE, B53_GLOBAL_CONFIG, gc | GC_RESET_MIB);
811 msleep(1);
812 b53_write8(priv, B53_MGMT_PAGE, B53_GLOBAL_CONFIG, gc & ~GC_RESET_MIB);
813 msleep(1);
814}
815
816static const struct b53_mib_desc *b53_get_mib(struct b53_device *dev)
817{
818 if (is5365(dev))
819 return b53_mibs_65;
820 else if (is63xx(dev))
821 return b53_mibs_63xx;
822 else if (is58xx(dev))
823 return b53_mibs_58xx;
824 else
825 return b53_mibs;
826}
827
828static unsigned int b53_get_mib_size(struct b53_device *dev)
829{
830 if (is5365(dev))
831 return B53_MIBS_65_SIZE;
832 else if (is63xx(dev))
833 return B53_MIBS_63XX_SIZE;
834 else if (is58xx(dev))
835 return B53_MIBS_58XX_SIZE;
836 else
837 return B53_MIBS_SIZE;
838}
839
840static struct phy_device *b53_get_phy_device(struct dsa_switch *ds, int port)
841{
842
843 switch (port) {
844 case B53_CPU_PORT_25:
845 case 7:
846 case B53_CPU_PORT:
847 return NULL;
848 }
849
850 return mdiobus_get_phy(ds->slave_mii_bus, port);
851}
852
853void b53_get_strings(struct dsa_switch *ds, int port, u32 stringset,
854 uint8_t *data)
855{
856 struct b53_device *dev = ds->priv;
857 const struct b53_mib_desc *mibs = b53_get_mib(dev);
858 unsigned int mib_size = b53_get_mib_size(dev);
859 struct phy_device *phydev;
860 unsigned int i;
861
862 if (stringset == ETH_SS_STATS) {
863 for (i = 0; i < mib_size; i++)
864 strlcpy(data + i * ETH_GSTRING_LEN,
865 mibs[i].name, ETH_GSTRING_LEN);
866 } else if (stringset == ETH_SS_PHY_STATS) {
867 phydev = b53_get_phy_device(ds, port);
868 if (!phydev)
869 return;
870
871 phy_ethtool_get_strings(phydev, data);
872 }
873}
874EXPORT_SYMBOL(b53_get_strings);
875
876void b53_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data)
877{
878 struct b53_device *dev = ds->priv;
879 const struct b53_mib_desc *mibs = b53_get_mib(dev);
880 unsigned int mib_size = b53_get_mib_size(dev);
881 const struct b53_mib_desc *s;
882 unsigned int i;
883 u64 val = 0;
884
885 if (is5365(dev) && port == 5)
886 port = 8;
887
888 mutex_lock(&dev->stats_mutex);
889
890 for (i = 0; i < mib_size; i++) {
891 s = &mibs[i];
892
893 if (s->size == 8) {
894 b53_read64(dev, B53_MIB_PAGE(port), s->offset, &val);
895 } else {
896 u32 val32;
897
898 b53_read32(dev, B53_MIB_PAGE(port), s->offset,
899 &val32);
900 val = val32;
901 }
902 data[i] = (u64)val;
903 }
904
905 mutex_unlock(&dev->stats_mutex);
906}
907EXPORT_SYMBOL(b53_get_ethtool_stats);
908
909void b53_get_ethtool_phy_stats(struct dsa_switch *ds, int port, uint64_t *data)
910{
911 struct phy_device *phydev;
912
913 phydev = b53_get_phy_device(ds, port);
914 if (!phydev)
915 return;
916
917 phy_ethtool_get_stats(phydev, NULL, data);
918}
919EXPORT_SYMBOL(b53_get_ethtool_phy_stats);
920
921int b53_get_sset_count(struct dsa_switch *ds, int port, int sset)
922{
923 struct b53_device *dev = ds->priv;
924 struct phy_device *phydev;
925
926 if (sset == ETH_SS_STATS) {
927 return b53_get_mib_size(dev);
928 } else if (sset == ETH_SS_PHY_STATS) {
929 phydev = b53_get_phy_device(ds, port);
930 if (!phydev)
931 return 0;
932
933 return phy_ethtool_get_sset_count(phydev);
934 }
935
936 return 0;
937}
938EXPORT_SYMBOL(b53_get_sset_count);
939
940static int b53_setup(struct dsa_switch *ds)
941{
942 struct b53_device *dev = ds->priv;
943 unsigned int port;
944 int ret;
945
946 ret = b53_reset_switch(dev);
947 if (ret) {
948 dev_err(ds->dev, "failed to reset switch\n");
949 return ret;
950 }
951
952 b53_reset_mib(dev);
953
954 ret = b53_apply_config(dev);
955 if (ret)
956 dev_err(ds->dev, "failed to apply configuration\n");
957
958
959
960
961 for (port = 0; port < dev->num_ports; port++) {
962 if (dsa_is_cpu_port(ds, port))
963 b53_enable_cpu_port(dev, port);
964 else
965 b53_disable_port(ds, port);
966 }
967
968
969
970
971
972
973 ds->vlan_filtering_is_global = true;
974
975 return ret;
976}
977
978static void b53_force_link(struct b53_device *dev, int port, int link)
979{
980 u8 reg, val, off;
981
982
983 if (port == dev->cpu_port) {
984 off = B53_PORT_OVERRIDE_CTRL;
985 val = PORT_OVERRIDE_EN;
986 } else {
987 off = B53_GMII_PORT_OVERRIDE_CTRL(port);
988 val = GMII_PO_EN;
989 }
990
991 b53_read8(dev, B53_CTRL_PAGE, off, ®);
992 reg |= val;
993 if (link)
994 reg |= PORT_OVERRIDE_LINK;
995 else
996 reg &= ~PORT_OVERRIDE_LINK;
997 b53_write8(dev, B53_CTRL_PAGE, off, reg);
998}
999
1000static void b53_force_port_config(struct b53_device *dev, int port,
1001 int speed, int duplex, int pause)
1002{
1003 u8 reg, val, off;
1004
1005
1006 if (port == dev->cpu_port) {
1007 off = B53_PORT_OVERRIDE_CTRL;
1008 val = PORT_OVERRIDE_EN;
1009 } else {
1010 off = B53_GMII_PORT_OVERRIDE_CTRL(port);
1011 val = GMII_PO_EN;
1012 }
1013
1014 b53_read8(dev, B53_CTRL_PAGE, off, ®);
1015 reg |= val;
1016 if (duplex == DUPLEX_FULL)
1017 reg |= PORT_OVERRIDE_FULL_DUPLEX;
1018 else
1019 reg &= ~PORT_OVERRIDE_FULL_DUPLEX;
1020
1021 switch (speed) {
1022 case 2000:
1023 reg |= PORT_OVERRIDE_SPEED_2000M;
1024
1025 case SPEED_1000:
1026 reg |= PORT_OVERRIDE_SPEED_1000M;
1027 break;
1028 case SPEED_100:
1029 reg |= PORT_OVERRIDE_SPEED_100M;
1030 break;
1031 case SPEED_10:
1032 reg |= PORT_OVERRIDE_SPEED_10M;
1033 break;
1034 default:
1035 dev_err(dev->dev, "unknown speed: %d\n", speed);
1036 return;
1037 }
1038
1039 if (pause & MLO_PAUSE_RX)
1040 reg |= PORT_OVERRIDE_RX_FLOW;
1041 if (pause & MLO_PAUSE_TX)
1042 reg |= PORT_OVERRIDE_TX_FLOW;
1043
1044 b53_write8(dev, B53_CTRL_PAGE, off, reg);
1045}
1046
1047static void b53_adjust_link(struct dsa_switch *ds, int port,
1048 struct phy_device *phydev)
1049{
1050 struct b53_device *dev = ds->priv;
1051 struct ethtool_eee *p = &dev->ports[port].eee;
1052 u8 rgmii_ctrl = 0, reg = 0, off;
1053 int pause = 0;
1054
1055 if (!phy_is_pseudo_fixed_link(phydev))
1056 return;
1057
1058
1059 if (is5301x(dev) && port == dev->cpu_port)
1060 pause = MLO_PAUSE_TXRX_MASK;
1061
1062 if (phydev->pause) {
1063 if (phydev->asym_pause)
1064 pause |= MLO_PAUSE_TX;
1065 pause |= MLO_PAUSE_RX;
1066 }
1067
1068 b53_force_port_config(dev, port, phydev->speed, phydev->duplex, pause);
1069 b53_force_link(dev, port, phydev->link);
1070
1071 if (is531x5(dev) && phy_interface_is_rgmii(phydev)) {
1072 if (port == 8)
1073 off = B53_RGMII_CTRL_IMP;
1074 else
1075 off = B53_RGMII_CTRL_P(port);
1076
1077
1078
1079
1080 b53_read8(dev, B53_CTRL_PAGE, off, &rgmii_ctrl);
1081 rgmii_ctrl &= ~(RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC |
1082 RGMII_CTRL_TIMING_SEL);
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
1099 rgmii_ctrl |= RGMII_CTRL_DLL_TXC;
1100 if (phydev->interface == PHY_INTERFACE_MODE_RGMII)
1101 rgmii_ctrl |= RGMII_CTRL_DLL_TXC | RGMII_CTRL_DLL_RXC;
1102 rgmii_ctrl |= RGMII_CTRL_TIMING_SEL;
1103 b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl);
1104
1105 dev_info(ds->dev, "Configured port %d for %s\n", port,
1106 phy_modes(phydev->interface));
1107 }
1108
1109
1110 if (is5325(dev)) {
1111 b53_read8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL,
1112 ®);
1113
1114
1115 if (!(reg & PORT_OVERRIDE_RV_MII_25)) {
1116 b53_write8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL,
1117 reg | PORT_OVERRIDE_RV_MII_25);
1118 b53_read8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL,
1119 ®);
1120
1121 if (!(reg & PORT_OVERRIDE_RV_MII_25)) {
1122 dev_err(ds->dev,
1123 "Failed to enable reverse MII mode\n");
1124 return;
1125 }
1126 }
1127 } else if (is5301x(dev)) {
1128 if (port != dev->cpu_port) {
1129 b53_force_port_config(dev, dev->cpu_port, 2000,
1130 DUPLEX_FULL, MLO_PAUSE_TXRX_MASK);
1131 b53_force_link(dev, dev->cpu_port, 1);
1132 }
1133 }
1134
1135
1136 p->eee_enabled = b53_eee_init(ds, port, phydev);
1137}
1138
1139void b53_port_event(struct dsa_switch *ds, int port)
1140{
1141 struct b53_device *dev = ds->priv;
1142 bool link;
1143 u16 sts;
1144
1145 b53_read16(dev, B53_STAT_PAGE, B53_LINK_STAT, &sts);
1146 link = !!(sts & BIT(port));
1147 dsa_port_phylink_mac_change(ds, port, link);
1148}
1149EXPORT_SYMBOL(b53_port_event);
1150
1151void b53_phylink_validate(struct dsa_switch *ds, int port,
1152 unsigned long *supported,
1153 struct phylink_link_state *state)
1154{
1155 struct b53_device *dev = ds->priv;
1156 __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
1157
1158 if (dev->ops->serdes_phylink_validate)
1159 dev->ops->serdes_phylink_validate(dev, port, mask, state);
1160
1161
1162 phylink_set(mask, Autoneg);
1163 phylink_set_port_modes(mask);
1164 phylink_set(mask, Pause);
1165 phylink_set(mask, Asym_Pause);
1166
1167
1168
1169
1170 if (state->interface != PHY_INTERFACE_MODE_MII &&
1171 state->interface != PHY_INTERFACE_MODE_REVMII &&
1172 !phy_interface_mode_is_8023z(state->interface) &&
1173 !(is5325(dev) || is5365(dev))) {
1174 phylink_set(mask, 1000baseT_Full);
1175 phylink_set(mask, 1000baseT_Half);
1176 }
1177
1178 if (!phy_interface_mode_is_8023z(state->interface)) {
1179 phylink_set(mask, 10baseT_Half);
1180 phylink_set(mask, 10baseT_Full);
1181 phylink_set(mask, 100baseT_Half);
1182 phylink_set(mask, 100baseT_Full);
1183 }
1184
1185 bitmap_and(supported, supported, mask,
1186 __ETHTOOL_LINK_MODE_MASK_NBITS);
1187 bitmap_and(state->advertising, state->advertising, mask,
1188 __ETHTOOL_LINK_MODE_MASK_NBITS);
1189
1190 phylink_helper_basex_speed(state);
1191}
1192EXPORT_SYMBOL(b53_phylink_validate);
1193
1194int b53_phylink_mac_link_state(struct dsa_switch *ds, int port,
1195 struct phylink_link_state *state)
1196{
1197 struct b53_device *dev = ds->priv;
1198 int ret = -EOPNOTSUPP;
1199
1200 if ((phy_interface_mode_is_8023z(state->interface) ||
1201 state->interface == PHY_INTERFACE_MODE_SGMII) &&
1202 dev->ops->serdes_link_state)
1203 ret = dev->ops->serdes_link_state(dev, port, state);
1204
1205 return ret;
1206}
1207EXPORT_SYMBOL(b53_phylink_mac_link_state);
1208
1209void b53_phylink_mac_config(struct dsa_switch *ds, int port,
1210 unsigned int mode,
1211 const struct phylink_link_state *state)
1212{
1213 struct b53_device *dev = ds->priv;
1214
1215 if (mode == MLO_AN_PHY)
1216 return;
1217
1218 if (mode == MLO_AN_FIXED) {
1219 b53_force_port_config(dev, port, state->speed,
1220 state->duplex, state->pause);
1221 return;
1222 }
1223
1224 if ((phy_interface_mode_is_8023z(state->interface) ||
1225 state->interface == PHY_INTERFACE_MODE_SGMII) &&
1226 dev->ops->serdes_config)
1227 dev->ops->serdes_config(dev, port, mode, state);
1228}
1229EXPORT_SYMBOL(b53_phylink_mac_config);
1230
1231void b53_phylink_mac_an_restart(struct dsa_switch *ds, int port)
1232{
1233 struct b53_device *dev = ds->priv;
1234
1235 if (dev->ops->serdes_an_restart)
1236 dev->ops->serdes_an_restart(dev, port);
1237}
1238EXPORT_SYMBOL(b53_phylink_mac_an_restart);
1239
1240void b53_phylink_mac_link_down(struct dsa_switch *ds, int port,
1241 unsigned int mode,
1242 phy_interface_t interface)
1243{
1244 struct b53_device *dev = ds->priv;
1245
1246 if (mode == MLO_AN_PHY)
1247 return;
1248
1249 if (mode == MLO_AN_FIXED) {
1250 b53_force_link(dev, port, false);
1251 return;
1252 }
1253
1254 if (phy_interface_mode_is_8023z(interface) &&
1255 dev->ops->serdes_link_set)
1256 dev->ops->serdes_link_set(dev, port, mode, interface, false);
1257}
1258EXPORT_SYMBOL(b53_phylink_mac_link_down);
1259
1260void b53_phylink_mac_link_up(struct dsa_switch *ds, int port,
1261 unsigned int mode,
1262 phy_interface_t interface,
1263 struct phy_device *phydev)
1264{
1265 struct b53_device *dev = ds->priv;
1266
1267 if (mode == MLO_AN_PHY)
1268 return;
1269
1270 if (mode == MLO_AN_FIXED) {
1271 b53_force_link(dev, port, true);
1272 return;
1273 }
1274
1275 if (phy_interface_mode_is_8023z(interface) &&
1276 dev->ops->serdes_link_set)
1277 dev->ops->serdes_link_set(dev, port, mode, interface, true);
1278}
1279EXPORT_SYMBOL(b53_phylink_mac_link_up);
1280
1281int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering)
1282{
1283 struct b53_device *dev = ds->priv;
1284 u16 pvid, new_pvid;
1285
1286 b53_read16(dev, B53_VLAN_PAGE, B53_VLAN_PORT_DEF_TAG(port), &pvid);
1287 new_pvid = pvid;
1288 if (!vlan_filtering) {
1289
1290
1291
1292 dev->ports[port].pvid = pvid;
1293 new_pvid = b53_default_pvid(dev);
1294 } else {
1295
1296 new_pvid = dev->ports[port].pvid;
1297 }
1298
1299 if (pvid != new_pvid)
1300 b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_PORT_DEF_TAG(port),
1301 new_pvid);
1302
1303 b53_enable_vlan(dev, dev->vlan_enabled, vlan_filtering);
1304
1305 return 0;
1306}
1307EXPORT_SYMBOL(b53_vlan_filtering);
1308
1309int b53_vlan_prepare(struct dsa_switch *ds, int port,
1310 const struct switchdev_obj_port_vlan *vlan)
1311{
1312 struct b53_device *dev = ds->priv;
1313
1314 if ((is5325(dev) || is5365(dev)) && vlan->vid_begin == 0)
1315 return -EOPNOTSUPP;
1316
1317 if (vlan->vid_end > dev->num_vlans)
1318 return -ERANGE;
1319
1320 b53_enable_vlan(dev, true, ds->vlan_filtering);
1321
1322 return 0;
1323}
1324EXPORT_SYMBOL(b53_vlan_prepare);
1325
1326void b53_vlan_add(struct dsa_switch *ds, int port,
1327 const struct switchdev_obj_port_vlan *vlan)
1328{
1329 struct b53_device *dev = ds->priv;
1330 bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
1331 bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
1332 struct b53_vlan *vl;
1333 u16 vid;
1334
1335 for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid) {
1336 vl = &dev->vlans[vid];
1337
1338 b53_get_vlan_entry(dev, vid, vl);
1339
1340 vl->members |= BIT(port);
1341 if (untagged && !dsa_is_cpu_port(ds, port))
1342 vl->untag |= BIT(port);
1343 else
1344 vl->untag &= ~BIT(port);
1345
1346 b53_set_vlan_entry(dev, vid, vl);
1347 b53_fast_age_vlan(dev, vid);
1348 }
1349
1350 if (pvid && !dsa_is_cpu_port(ds, port)) {
1351 b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_PORT_DEF_TAG(port),
1352 vlan->vid_end);
1353 b53_fast_age_vlan(dev, vid);
1354 }
1355}
1356EXPORT_SYMBOL(b53_vlan_add);
1357
1358int b53_vlan_del(struct dsa_switch *ds, int port,
1359 const struct switchdev_obj_port_vlan *vlan)
1360{
1361 struct b53_device *dev = ds->priv;
1362 bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
1363 struct b53_vlan *vl;
1364 u16 vid;
1365 u16 pvid;
1366
1367 b53_read16(dev, B53_VLAN_PAGE, B53_VLAN_PORT_DEF_TAG(port), &pvid);
1368
1369 for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid) {
1370 vl = &dev->vlans[vid];
1371
1372 b53_get_vlan_entry(dev, vid, vl);
1373
1374 vl->members &= ~BIT(port);
1375
1376 if (pvid == vid)
1377 pvid = b53_default_pvid(dev);
1378
1379 if (untagged && !dsa_is_cpu_port(ds, port))
1380 vl->untag &= ~(BIT(port));
1381
1382 b53_set_vlan_entry(dev, vid, vl);
1383 b53_fast_age_vlan(dev, vid);
1384 }
1385
1386 b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_PORT_DEF_TAG(port), pvid);
1387 b53_fast_age_vlan(dev, pvid);
1388
1389 return 0;
1390}
1391EXPORT_SYMBOL(b53_vlan_del);
1392
1393
1394static int b53_arl_op_wait(struct b53_device *dev)
1395{
1396 unsigned int timeout = 10;
1397 u8 reg;
1398
1399 do {
1400 b53_read8(dev, B53_ARLIO_PAGE, B53_ARLTBL_RW_CTRL, ®);
1401 if (!(reg & ARLTBL_START_DONE))
1402 return 0;
1403
1404 usleep_range(1000, 2000);
1405 } while (timeout--);
1406
1407 dev_warn(dev->dev, "timeout waiting for ARL to finish: 0x%02x\n", reg);
1408
1409 return -ETIMEDOUT;
1410}
1411
1412static int b53_arl_rw_op(struct b53_device *dev, unsigned int op)
1413{
1414 u8 reg;
1415
1416 if (op > ARLTBL_RW)
1417 return -EINVAL;
1418
1419 b53_read8(dev, B53_ARLIO_PAGE, B53_ARLTBL_RW_CTRL, ®);
1420 reg |= ARLTBL_START_DONE;
1421 if (op)
1422 reg |= ARLTBL_RW;
1423 else
1424 reg &= ~ARLTBL_RW;
1425 b53_write8(dev, B53_ARLIO_PAGE, B53_ARLTBL_RW_CTRL, reg);
1426
1427 return b53_arl_op_wait(dev);
1428}
1429
1430static int b53_arl_read(struct b53_device *dev, u64 mac,
1431 u16 vid, struct b53_arl_entry *ent, u8 *idx,
1432 bool is_valid)
1433{
1434 unsigned int i;
1435 int ret;
1436
1437 ret = b53_arl_op_wait(dev);
1438 if (ret)
1439 return ret;
1440
1441
1442 for (i = 0; i < dev->num_arl_entries; i++) {
1443 u64 mac_vid;
1444 u32 fwd_entry;
1445
1446 b53_read64(dev, B53_ARLIO_PAGE,
1447 B53_ARLTBL_MAC_VID_ENTRY(i), &mac_vid);
1448 b53_read32(dev, B53_ARLIO_PAGE,
1449 B53_ARLTBL_DATA_ENTRY(i), &fwd_entry);
1450 b53_arl_to_entry(ent, mac_vid, fwd_entry);
1451
1452 if (!(fwd_entry & ARLTBL_VALID))
1453 continue;
1454 if ((mac_vid & ARLTBL_MAC_MASK) != mac)
1455 continue;
1456 *idx = i;
1457 }
1458
1459 return -ENOENT;
1460}
1461
1462static int b53_arl_op(struct b53_device *dev, int op, int port,
1463 const unsigned char *addr, u16 vid, bool is_valid)
1464{
1465 struct b53_arl_entry ent;
1466 u32 fwd_entry;
1467 u64 mac, mac_vid = 0;
1468 u8 idx = 0;
1469 int ret;
1470
1471
1472 mac = ether_addr_to_u64(addr);
1473
1474
1475 b53_write48(dev, B53_ARLIO_PAGE, B53_MAC_ADDR_IDX, mac);
1476 b53_write16(dev, B53_ARLIO_PAGE, B53_VLAN_ID_IDX, vid);
1477
1478
1479 ret = b53_arl_rw_op(dev, 1);
1480 if (ret)
1481 return ret;
1482
1483 ret = b53_arl_read(dev, mac, vid, &ent, &idx, is_valid);
1484
1485 if (op)
1486 return ret;
1487
1488
1489 if (ret) {
1490 fwd_entry = 0;
1491 idx = 1;
1492 }
1493
1494 memset(&ent, 0, sizeof(ent));
1495 ent.port = port;
1496 ent.is_valid = is_valid;
1497 ent.vid = vid;
1498 ent.is_static = true;
1499 memcpy(ent.mac, addr, ETH_ALEN);
1500 b53_arl_from_entry(&mac_vid, &fwd_entry, &ent);
1501
1502 b53_write64(dev, B53_ARLIO_PAGE,
1503 B53_ARLTBL_MAC_VID_ENTRY(idx), mac_vid);
1504 b53_write32(dev, B53_ARLIO_PAGE,
1505 B53_ARLTBL_DATA_ENTRY(idx), fwd_entry);
1506
1507 return b53_arl_rw_op(dev, 0);
1508}
1509
1510int b53_fdb_add(struct dsa_switch *ds, int port,
1511 const unsigned char *addr, u16 vid)
1512{
1513 struct b53_device *priv = ds->priv;
1514
1515
1516
1517
1518 if (is5325(priv) || is5365(priv))
1519 return -EOPNOTSUPP;
1520
1521 return b53_arl_op(priv, 0, port, addr, vid, true);
1522}
1523EXPORT_SYMBOL(b53_fdb_add);
1524
1525int b53_fdb_del(struct dsa_switch *ds, int port,
1526 const unsigned char *addr, u16 vid)
1527{
1528 struct b53_device *priv = ds->priv;
1529
1530 return b53_arl_op(priv, 0, port, addr, vid, false);
1531}
1532EXPORT_SYMBOL(b53_fdb_del);
1533
1534static int b53_arl_search_wait(struct b53_device *dev)
1535{
1536 unsigned int timeout = 1000;
1537 u8 reg;
1538
1539 do {
1540 b53_read8(dev, B53_ARLIO_PAGE, B53_ARL_SRCH_CTL, ®);
1541 if (!(reg & ARL_SRCH_STDN))
1542 return 0;
1543
1544 if (reg & ARL_SRCH_VLID)
1545 return 0;
1546
1547 usleep_range(1000, 2000);
1548 } while (timeout--);
1549
1550 return -ETIMEDOUT;
1551}
1552
1553static void b53_arl_search_rd(struct b53_device *dev, u8 idx,
1554 struct b53_arl_entry *ent)
1555{
1556 u64 mac_vid;
1557 u32 fwd_entry;
1558
1559 b53_read64(dev, B53_ARLIO_PAGE,
1560 B53_ARL_SRCH_RSTL_MACVID(idx), &mac_vid);
1561 b53_read32(dev, B53_ARLIO_PAGE,
1562 B53_ARL_SRCH_RSTL(idx), &fwd_entry);
1563 b53_arl_to_entry(ent, mac_vid, fwd_entry);
1564}
1565
1566static int b53_fdb_copy(int port, const struct b53_arl_entry *ent,
1567 dsa_fdb_dump_cb_t *cb, void *data)
1568{
1569 if (!ent->is_valid)
1570 return 0;
1571
1572 if (port != ent->port)
1573 return 0;
1574
1575 return cb(ent->mac, ent->vid, ent->is_static, data);
1576}
1577
1578int b53_fdb_dump(struct dsa_switch *ds, int port,
1579 dsa_fdb_dump_cb_t *cb, void *data)
1580{
1581 struct b53_device *priv = ds->priv;
1582 struct b53_arl_entry results[2];
1583 unsigned int count = 0;
1584 int ret;
1585 u8 reg;
1586
1587
1588 reg = ARL_SRCH_STDN;
1589 b53_write8(priv, B53_ARLIO_PAGE, B53_ARL_SRCH_CTL, reg);
1590
1591 do {
1592 ret = b53_arl_search_wait(priv);
1593 if (ret)
1594 return ret;
1595
1596 b53_arl_search_rd(priv, 0, &results[0]);
1597 ret = b53_fdb_copy(port, &results[0], cb, data);
1598 if (ret)
1599 return ret;
1600
1601 if (priv->num_arl_entries > 2) {
1602 b53_arl_search_rd(priv, 1, &results[1]);
1603 ret = b53_fdb_copy(port, &results[1], cb, data);
1604 if (ret)
1605 return ret;
1606
1607 if (!results[0].is_valid && !results[1].is_valid)
1608 break;
1609 }
1610
1611 } while (count++ < 1024);
1612
1613 return 0;
1614}
1615EXPORT_SYMBOL(b53_fdb_dump);
1616
1617int b53_br_join(struct dsa_switch *ds, int port, struct net_device *br)
1618{
1619 struct b53_device *dev = ds->priv;
1620 s8 cpu_port = ds->ports[port].cpu_dp->index;
1621 u16 pvlan, reg;
1622 unsigned int i;
1623
1624
1625
1626
1627 if (is58xx(dev)) {
1628 b53_read16(dev, B53_VLAN_PAGE, B53_JOIN_ALL_VLAN_EN, ®);
1629 reg &= ~BIT(port);
1630 if ((reg & BIT(cpu_port)) == BIT(cpu_port))
1631 reg &= ~BIT(cpu_port);
1632 b53_write16(dev, B53_VLAN_PAGE, B53_JOIN_ALL_VLAN_EN, reg);
1633 }
1634
1635 b53_read16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(port), &pvlan);
1636
1637 b53_for_each_port(dev, i) {
1638 if (dsa_to_port(ds, i)->bridge_dev != br)
1639 continue;
1640
1641
1642
1643
1644 b53_read16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(i), ®);
1645 reg |= BIT(port);
1646 b53_write16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(i), reg);
1647 dev->ports[i].vlan_ctl_mask = reg;
1648
1649 pvlan |= BIT(i);
1650 }
1651
1652
1653
1654
1655 b53_write16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(port), pvlan);
1656 dev->ports[port].vlan_ctl_mask = pvlan;
1657
1658 return 0;
1659}
1660EXPORT_SYMBOL(b53_br_join);
1661
1662void b53_br_leave(struct dsa_switch *ds, int port, struct net_device *br)
1663{
1664 struct b53_device *dev = ds->priv;
1665 struct b53_vlan *vl = &dev->vlans[0];
1666 s8 cpu_port = ds->ports[port].cpu_dp->index;
1667 unsigned int i;
1668 u16 pvlan, reg, pvid;
1669
1670 b53_read16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(port), &pvlan);
1671
1672 b53_for_each_port(dev, i) {
1673
1674 if (dsa_to_port(ds, i)->bridge_dev != br)
1675 continue;
1676
1677 b53_read16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(i), ®);
1678 reg &= ~BIT(port);
1679 b53_write16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(i), reg);
1680 dev->ports[port].vlan_ctl_mask = reg;
1681
1682
1683 if (port != i)
1684 pvlan &= ~BIT(i);
1685 }
1686
1687 b53_write16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(port), pvlan);
1688 dev->ports[port].vlan_ctl_mask = pvlan;
1689
1690 pvid = b53_default_pvid(dev);
1691
1692
1693 if (is58xx(dev)) {
1694 b53_read16(dev, B53_VLAN_PAGE, B53_JOIN_ALL_VLAN_EN, ®);
1695 reg |= BIT(port);
1696 if (!(reg & BIT(cpu_port)))
1697 reg |= BIT(cpu_port);
1698 b53_write16(dev, B53_VLAN_PAGE, B53_JOIN_ALL_VLAN_EN, reg);
1699 } else {
1700 b53_get_vlan_entry(dev, pvid, vl);
1701 vl->members |= BIT(port) | BIT(cpu_port);
1702 vl->untag |= BIT(port) | BIT(cpu_port);
1703 b53_set_vlan_entry(dev, pvid, vl);
1704 }
1705}
1706EXPORT_SYMBOL(b53_br_leave);
1707
1708void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state)
1709{
1710 struct b53_device *dev = ds->priv;
1711 u8 hw_state;
1712 u8 reg;
1713
1714 switch (state) {
1715 case BR_STATE_DISABLED:
1716 hw_state = PORT_CTRL_DIS_STATE;
1717 break;
1718 case BR_STATE_LISTENING:
1719 hw_state = PORT_CTRL_LISTEN_STATE;
1720 break;
1721 case BR_STATE_LEARNING:
1722 hw_state = PORT_CTRL_LEARN_STATE;
1723 break;
1724 case BR_STATE_FORWARDING:
1725 hw_state = PORT_CTRL_FWD_STATE;
1726 break;
1727 case BR_STATE_BLOCKING:
1728 hw_state = PORT_CTRL_BLOCK_STATE;
1729 break;
1730 default:
1731 dev_err(ds->dev, "invalid STP state: %d\n", state);
1732 return;
1733 }
1734
1735 b53_read8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(port), ®);
1736 reg &= ~PORT_CTRL_STP_STATE_MASK;
1737 reg |= hw_state;
1738 b53_write8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(port), reg);
1739}
1740EXPORT_SYMBOL(b53_br_set_stp_state);
1741
1742void b53_br_fast_age(struct dsa_switch *ds, int port)
1743{
1744 struct b53_device *dev = ds->priv;
1745
1746 if (b53_fast_age_port(dev, port))
1747 dev_err(ds->dev, "fast ageing failed\n");
1748}
1749EXPORT_SYMBOL(b53_br_fast_age);
1750
1751static bool b53_possible_cpu_port(struct dsa_switch *ds, int port)
1752{
1753
1754
1755
1756 switch (port) {
1757 case B53_CPU_PORT_25:
1758 case 7:
1759 case B53_CPU_PORT:
1760 return true;
1761 }
1762
1763 return false;
1764}
1765
1766static bool b53_can_enable_brcm_tags(struct dsa_switch *ds, int port)
1767{
1768 bool ret = b53_possible_cpu_port(ds, port);
1769
1770 if (!ret)
1771 dev_warn(ds->dev, "Port %d is not Broadcom tag capable\n",
1772 port);
1773 return ret;
1774}
1775
1776enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port)
1777{
1778 struct b53_device *dev = ds->priv;
1779
1780
1781
1782
1783
1784
1785 if (is5325(dev) || is5365(dev) || is539x(dev) || is531x5(dev) ||
1786 !b53_can_enable_brcm_tags(ds, port))
1787 return DSA_TAG_PROTO_NONE;
1788
1789
1790
1791
1792 if (dev->chip_id == BCM58XX_DEVICE_ID && port == B53_CPU_PORT)
1793 return DSA_TAG_PROTO_BRCM_PREPEND;
1794
1795 return DSA_TAG_PROTO_BRCM;
1796}
1797EXPORT_SYMBOL(b53_get_tag_protocol);
1798
1799int b53_mirror_add(struct dsa_switch *ds, int port,
1800 struct dsa_mall_mirror_tc_entry *mirror, bool ingress)
1801{
1802 struct b53_device *dev = ds->priv;
1803 u16 reg, loc;
1804
1805 if (ingress)
1806 loc = B53_IG_MIR_CTL;
1807 else
1808 loc = B53_EG_MIR_CTL;
1809
1810 b53_read16(dev, B53_MGMT_PAGE, loc, ®);
1811 reg &= ~MIRROR_MASK;
1812 reg |= BIT(port);
1813 b53_write16(dev, B53_MGMT_PAGE, loc, reg);
1814
1815 b53_read16(dev, B53_MGMT_PAGE, B53_MIR_CAP_CTL, ®);
1816 reg &= ~CAP_PORT_MASK;
1817 reg |= mirror->to_local_port;
1818 reg |= MIRROR_EN;
1819 b53_write16(dev, B53_MGMT_PAGE, B53_MIR_CAP_CTL, reg);
1820
1821 return 0;
1822}
1823EXPORT_SYMBOL(b53_mirror_add);
1824
1825void b53_mirror_del(struct dsa_switch *ds, int port,
1826 struct dsa_mall_mirror_tc_entry *mirror)
1827{
1828 struct b53_device *dev = ds->priv;
1829 bool loc_disable = false, other_loc_disable = false;
1830 u16 reg, loc;
1831
1832 if (mirror->ingress)
1833 loc = B53_IG_MIR_CTL;
1834 else
1835 loc = B53_EG_MIR_CTL;
1836
1837
1838 b53_read16(dev, B53_MGMT_PAGE, loc, ®);
1839 reg &= ~BIT(port);
1840 if (!(reg & MIRROR_MASK))
1841 loc_disable = true;
1842 b53_write16(dev, B53_MGMT_PAGE, loc, reg);
1843
1844
1845
1846
1847 if (mirror->ingress)
1848 b53_read16(dev, B53_MGMT_PAGE, B53_EG_MIR_CTL, ®);
1849 else
1850 b53_read16(dev, B53_MGMT_PAGE, B53_IG_MIR_CTL, ®);
1851 if (!(reg & MIRROR_MASK))
1852 other_loc_disable = true;
1853
1854 b53_read16(dev, B53_MGMT_PAGE, B53_MIR_CAP_CTL, ®);
1855
1856 if (loc_disable && other_loc_disable) {
1857 reg &= ~MIRROR_EN;
1858 reg &= ~mirror->to_local_port;
1859 }
1860 b53_write16(dev, B53_MGMT_PAGE, B53_MIR_CAP_CTL, reg);
1861}
1862EXPORT_SYMBOL(b53_mirror_del);
1863
1864void b53_eee_enable_set(struct dsa_switch *ds, int port, bool enable)
1865{
1866 struct b53_device *dev = ds->priv;
1867 u16 reg;
1868
1869 b53_read16(dev, B53_EEE_PAGE, B53_EEE_EN_CTRL, ®);
1870 if (enable)
1871 reg |= BIT(port);
1872 else
1873 reg &= ~BIT(port);
1874 b53_write16(dev, B53_EEE_PAGE, B53_EEE_EN_CTRL, reg);
1875}
1876EXPORT_SYMBOL(b53_eee_enable_set);
1877
1878
1879
1880
1881int b53_eee_init(struct dsa_switch *ds, int port, struct phy_device *phy)
1882{
1883 int ret;
1884
1885 ret = phy_init_eee(phy, 0);
1886 if (ret)
1887 return 0;
1888
1889 b53_eee_enable_set(ds, port, true);
1890
1891 return 1;
1892}
1893EXPORT_SYMBOL(b53_eee_init);
1894
1895int b53_get_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e)
1896{
1897 struct b53_device *dev = ds->priv;
1898 struct ethtool_eee *p = &dev->ports[port].eee;
1899 u16 reg;
1900
1901 if (is5325(dev) || is5365(dev))
1902 return -EOPNOTSUPP;
1903
1904 b53_read16(dev, B53_EEE_PAGE, B53_EEE_LPI_INDICATE, ®);
1905 e->eee_enabled = p->eee_enabled;
1906 e->eee_active = !!(reg & BIT(port));
1907
1908 return 0;
1909}
1910EXPORT_SYMBOL(b53_get_mac_eee);
1911
1912int b53_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e)
1913{
1914 struct b53_device *dev = ds->priv;
1915 struct ethtool_eee *p = &dev->ports[port].eee;
1916
1917 if (is5325(dev) || is5365(dev))
1918 return -EOPNOTSUPP;
1919
1920 p->eee_enabled = e->eee_enabled;
1921 b53_eee_enable_set(ds, port, e->eee_enabled);
1922
1923 return 0;
1924}
1925EXPORT_SYMBOL(b53_set_mac_eee);
1926
1927static const struct dsa_switch_ops b53_switch_ops = {
1928 .get_tag_protocol = b53_get_tag_protocol,
1929 .setup = b53_setup,
1930 .get_strings = b53_get_strings,
1931 .get_ethtool_stats = b53_get_ethtool_stats,
1932 .get_sset_count = b53_get_sset_count,
1933 .get_ethtool_phy_stats = b53_get_ethtool_phy_stats,
1934 .phy_read = b53_phy_read16,
1935 .phy_write = b53_phy_write16,
1936 .adjust_link = b53_adjust_link,
1937 .phylink_validate = b53_phylink_validate,
1938 .phylink_mac_link_state = b53_phylink_mac_link_state,
1939 .phylink_mac_config = b53_phylink_mac_config,
1940 .phylink_mac_an_restart = b53_phylink_mac_an_restart,
1941 .phylink_mac_link_down = b53_phylink_mac_link_down,
1942 .phylink_mac_link_up = b53_phylink_mac_link_up,
1943 .port_enable = b53_enable_port,
1944 .port_disable = b53_disable_port,
1945 .get_mac_eee = b53_get_mac_eee,
1946 .set_mac_eee = b53_set_mac_eee,
1947 .port_bridge_join = b53_br_join,
1948 .port_bridge_leave = b53_br_leave,
1949 .port_stp_state_set = b53_br_set_stp_state,
1950 .port_fast_age = b53_br_fast_age,
1951 .port_vlan_filtering = b53_vlan_filtering,
1952 .port_vlan_prepare = b53_vlan_prepare,
1953 .port_vlan_add = b53_vlan_add,
1954 .port_vlan_del = b53_vlan_del,
1955 .port_fdb_dump = b53_fdb_dump,
1956 .port_fdb_add = b53_fdb_add,
1957 .port_fdb_del = b53_fdb_del,
1958 .port_mirror_add = b53_mirror_add,
1959 .port_mirror_del = b53_mirror_del,
1960};
1961
1962struct b53_chip_data {
1963 u32 chip_id;
1964 const char *dev_name;
1965 u16 vlans;
1966 u16 enabled_ports;
1967 u8 cpu_port;
1968 u8 vta_regs[3];
1969 u8 arl_entries;
1970 u8 duplex_reg;
1971 u8 jumbo_pm_reg;
1972 u8 jumbo_size_reg;
1973};
1974
1975#define B53_VTA_REGS \
1976 { B53_VT_ACCESS, B53_VT_INDEX, B53_VT_ENTRY }
1977#define B53_VTA_REGS_9798 \
1978 { B53_VT_ACCESS_9798, B53_VT_INDEX_9798, B53_VT_ENTRY_9798 }
1979#define B53_VTA_REGS_63XX \
1980 { B53_VT_ACCESS_63XX, B53_VT_INDEX_63XX, B53_VT_ENTRY_63XX }
1981
1982static const struct b53_chip_data b53_switch_chips[] = {
1983 {
1984 .chip_id = BCM5325_DEVICE_ID,
1985 .dev_name = "BCM5325",
1986 .vlans = 16,
1987 .enabled_ports = 0x1f,
1988 .arl_entries = 2,
1989 .cpu_port = B53_CPU_PORT_25,
1990 .duplex_reg = B53_DUPLEX_STAT_FE,
1991 },
1992 {
1993 .chip_id = BCM5365_DEVICE_ID,
1994 .dev_name = "BCM5365",
1995 .vlans = 256,
1996 .enabled_ports = 0x1f,
1997 .arl_entries = 2,
1998 .cpu_port = B53_CPU_PORT_25,
1999 .duplex_reg = B53_DUPLEX_STAT_FE,
2000 },
2001 {
2002 .chip_id = BCM5389_DEVICE_ID,
2003 .dev_name = "BCM5389",
2004 .vlans = 4096,
2005 .enabled_ports = 0x1f,
2006 .arl_entries = 4,
2007 .cpu_port = B53_CPU_PORT,
2008 .vta_regs = B53_VTA_REGS,
2009 .duplex_reg = B53_DUPLEX_STAT_GE,
2010 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2011 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2012 },
2013 {
2014 .chip_id = BCM5395_DEVICE_ID,
2015 .dev_name = "BCM5395",
2016 .vlans = 4096,
2017 .enabled_ports = 0x1f,
2018 .arl_entries = 4,
2019 .cpu_port = B53_CPU_PORT,
2020 .vta_regs = B53_VTA_REGS,
2021 .duplex_reg = B53_DUPLEX_STAT_GE,
2022 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2023 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2024 },
2025 {
2026 .chip_id = BCM5397_DEVICE_ID,
2027 .dev_name = "BCM5397",
2028 .vlans = 4096,
2029 .enabled_ports = 0x1f,
2030 .arl_entries = 4,
2031 .cpu_port = B53_CPU_PORT,
2032 .vta_regs = B53_VTA_REGS_9798,
2033 .duplex_reg = B53_DUPLEX_STAT_GE,
2034 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2035 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2036 },
2037 {
2038 .chip_id = BCM5398_DEVICE_ID,
2039 .dev_name = "BCM5398",
2040 .vlans = 4096,
2041 .enabled_ports = 0x7f,
2042 .arl_entries = 4,
2043 .cpu_port = B53_CPU_PORT,
2044 .vta_regs = B53_VTA_REGS_9798,
2045 .duplex_reg = B53_DUPLEX_STAT_GE,
2046 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2047 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2048 },
2049 {
2050 .chip_id = BCM53115_DEVICE_ID,
2051 .dev_name = "BCM53115",
2052 .vlans = 4096,
2053 .enabled_ports = 0x1f,
2054 .arl_entries = 4,
2055 .vta_regs = B53_VTA_REGS,
2056 .cpu_port = B53_CPU_PORT,
2057 .duplex_reg = B53_DUPLEX_STAT_GE,
2058 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2059 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2060 },
2061 {
2062 .chip_id = BCM53125_DEVICE_ID,
2063 .dev_name = "BCM53125",
2064 .vlans = 4096,
2065 .enabled_ports = 0xff,
2066 .arl_entries = 4,
2067 .cpu_port = B53_CPU_PORT,
2068 .vta_regs = B53_VTA_REGS,
2069 .duplex_reg = B53_DUPLEX_STAT_GE,
2070 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2071 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2072 },
2073 {
2074 .chip_id = BCM53128_DEVICE_ID,
2075 .dev_name = "BCM53128",
2076 .vlans = 4096,
2077 .enabled_ports = 0x1ff,
2078 .arl_entries = 4,
2079 .cpu_port = B53_CPU_PORT,
2080 .vta_regs = B53_VTA_REGS,
2081 .duplex_reg = B53_DUPLEX_STAT_GE,
2082 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2083 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2084 },
2085 {
2086 .chip_id = BCM63XX_DEVICE_ID,
2087 .dev_name = "BCM63xx",
2088 .vlans = 4096,
2089 .enabled_ports = 0,
2090 .arl_entries = 4,
2091 .cpu_port = B53_CPU_PORT,
2092 .vta_regs = B53_VTA_REGS_63XX,
2093 .duplex_reg = B53_DUPLEX_STAT_63XX,
2094 .jumbo_pm_reg = B53_JUMBO_PORT_MASK_63XX,
2095 .jumbo_size_reg = B53_JUMBO_MAX_SIZE_63XX,
2096 },
2097 {
2098 .chip_id = BCM53010_DEVICE_ID,
2099 .dev_name = "BCM53010",
2100 .vlans = 4096,
2101 .enabled_ports = 0x1f,
2102 .arl_entries = 4,
2103 .cpu_port = B53_CPU_PORT_25,
2104 .vta_regs = B53_VTA_REGS,
2105 .duplex_reg = B53_DUPLEX_STAT_GE,
2106 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2107 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2108 },
2109 {
2110 .chip_id = BCM53011_DEVICE_ID,
2111 .dev_name = "BCM53011",
2112 .vlans = 4096,
2113 .enabled_ports = 0x1bf,
2114 .arl_entries = 4,
2115 .cpu_port = B53_CPU_PORT_25,
2116 .vta_regs = B53_VTA_REGS,
2117 .duplex_reg = B53_DUPLEX_STAT_GE,
2118 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2119 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2120 },
2121 {
2122 .chip_id = BCM53012_DEVICE_ID,
2123 .dev_name = "BCM53012",
2124 .vlans = 4096,
2125 .enabled_ports = 0x1bf,
2126 .arl_entries = 4,
2127 .cpu_port = B53_CPU_PORT_25,
2128 .vta_regs = B53_VTA_REGS,
2129 .duplex_reg = B53_DUPLEX_STAT_GE,
2130 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2131 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2132 },
2133 {
2134 .chip_id = BCM53018_DEVICE_ID,
2135 .dev_name = "BCM53018",
2136 .vlans = 4096,
2137 .enabled_ports = 0x1f,
2138 .arl_entries = 4,
2139 .cpu_port = B53_CPU_PORT_25,
2140 .vta_regs = B53_VTA_REGS,
2141 .duplex_reg = B53_DUPLEX_STAT_GE,
2142 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2143 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2144 },
2145 {
2146 .chip_id = BCM53019_DEVICE_ID,
2147 .dev_name = "BCM53019",
2148 .vlans = 4096,
2149 .enabled_ports = 0x1f,
2150 .arl_entries = 4,
2151 .cpu_port = B53_CPU_PORT_25,
2152 .vta_regs = B53_VTA_REGS,
2153 .duplex_reg = B53_DUPLEX_STAT_GE,
2154 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2155 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2156 },
2157 {
2158 .chip_id = BCM58XX_DEVICE_ID,
2159 .dev_name = "BCM585xx/586xx/88312",
2160 .vlans = 4096,
2161 .enabled_ports = 0x1ff,
2162 .arl_entries = 4,
2163 .cpu_port = B53_CPU_PORT,
2164 .vta_regs = B53_VTA_REGS,
2165 .duplex_reg = B53_DUPLEX_STAT_GE,
2166 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2167 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2168 },
2169 {
2170 .chip_id = BCM583XX_DEVICE_ID,
2171 .dev_name = "BCM583xx/11360",
2172 .vlans = 4096,
2173 .enabled_ports = 0x103,
2174 .arl_entries = 4,
2175 .cpu_port = B53_CPU_PORT,
2176 .vta_regs = B53_VTA_REGS,
2177 .duplex_reg = B53_DUPLEX_STAT_GE,
2178 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2179 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2180 },
2181 {
2182 .chip_id = BCM7445_DEVICE_ID,
2183 .dev_name = "BCM7445",
2184 .vlans = 4096,
2185 .enabled_ports = 0x1ff,
2186 .arl_entries = 4,
2187 .cpu_port = B53_CPU_PORT,
2188 .vta_regs = B53_VTA_REGS,
2189 .duplex_reg = B53_DUPLEX_STAT_GE,
2190 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2191 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2192 },
2193 {
2194 .chip_id = BCM7278_DEVICE_ID,
2195 .dev_name = "BCM7278",
2196 .vlans = 4096,
2197 .enabled_ports = 0x1ff,
2198 .arl_entries= 4,
2199 .cpu_port = B53_CPU_PORT,
2200 .vta_regs = B53_VTA_REGS,
2201 .duplex_reg = B53_DUPLEX_STAT_GE,
2202 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
2203 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
2204 },
2205};
2206
2207static int b53_switch_init(struct b53_device *dev)
2208{
2209 unsigned int i;
2210 int ret;
2211
2212 for (i = 0; i < ARRAY_SIZE(b53_switch_chips); i++) {
2213 const struct b53_chip_data *chip = &b53_switch_chips[i];
2214
2215 if (chip->chip_id == dev->chip_id) {
2216 if (!dev->enabled_ports)
2217 dev->enabled_ports = chip->enabled_ports;
2218 dev->name = chip->dev_name;
2219 dev->duplex_reg = chip->duplex_reg;
2220 dev->vta_regs[0] = chip->vta_regs[0];
2221 dev->vta_regs[1] = chip->vta_regs[1];
2222 dev->vta_regs[2] = chip->vta_regs[2];
2223 dev->jumbo_pm_reg = chip->jumbo_pm_reg;
2224 dev->cpu_port = chip->cpu_port;
2225 dev->num_vlans = chip->vlans;
2226 dev->num_arl_entries = chip->arl_entries;
2227 break;
2228 }
2229 }
2230
2231
2232 if (is5325(dev)) {
2233 u8 vc4;
2234
2235 b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL4_25, &vc4);
2236
2237
2238 switch (vc4 & 3) {
2239 case 1:
2240
2241 break;
2242 case 3:
2243
2244 dev->enabled_ports &= ~BIT(4);
2245 break;
2246 default:
2247
2248#ifndef CONFIG_BCM47XX
2249
2250 return -EINVAL;
2251#else
2252 break;
2253#endif
2254 }
2255 } else if (dev->chip_id == BCM53115_DEVICE_ID) {
2256 u64 strap_value;
2257
2258 b53_read48(dev, B53_STAT_PAGE, B53_STRAP_VALUE, &strap_value);
2259
2260 if (strap_value & SV_GMII_CTRL_115)
2261 dev->cpu_port = 5;
2262 }
2263
2264
2265 dev->num_ports = dev->cpu_port + 1;
2266 dev->enabled_ports |= BIT(dev->cpu_port);
2267
2268
2269 if (is539x(dev) || is531x5(dev)) {
2270 for (i = 0; i < dev->num_ports; i++) {
2271 if (!(dev->ds->phys_mii_mask & BIT(i)) &&
2272 !b53_possible_cpu_port(dev->ds, i))
2273 dev->ds->phys_mii_mask |= BIT(i);
2274 }
2275 }
2276
2277 dev->ports = devm_kcalloc(dev->dev,
2278 dev->num_ports, sizeof(struct b53_port),
2279 GFP_KERNEL);
2280 if (!dev->ports)
2281 return -ENOMEM;
2282
2283 dev->vlans = devm_kcalloc(dev->dev,
2284 dev->num_vlans, sizeof(struct b53_vlan),
2285 GFP_KERNEL);
2286 if (!dev->vlans)
2287 return -ENOMEM;
2288
2289 dev->reset_gpio = b53_switch_get_reset_gpio(dev);
2290 if (dev->reset_gpio >= 0) {
2291 ret = devm_gpio_request_one(dev->dev, dev->reset_gpio,
2292 GPIOF_OUT_INIT_HIGH, "robo_reset");
2293 if (ret)
2294 return ret;
2295 }
2296
2297 return 0;
2298}
2299
2300struct b53_device *b53_switch_alloc(struct device *base,
2301 const struct b53_io_ops *ops,
2302 void *priv)
2303{
2304 struct dsa_switch *ds;
2305 struct b53_device *dev;
2306
2307 ds = dsa_switch_alloc(base, DSA_MAX_PORTS);
2308 if (!ds)
2309 return NULL;
2310
2311 dev = devm_kzalloc(base, sizeof(*dev), GFP_KERNEL);
2312 if (!dev)
2313 return NULL;
2314
2315 ds->priv = dev;
2316 dev->dev = base;
2317
2318 dev->ds = ds;
2319 dev->priv = priv;
2320 dev->ops = ops;
2321 ds->ops = &b53_switch_ops;
2322 mutex_init(&dev->reg_mutex);
2323 mutex_init(&dev->stats_mutex);
2324
2325 return dev;
2326}
2327EXPORT_SYMBOL(b53_switch_alloc);
2328
2329int b53_switch_detect(struct b53_device *dev)
2330{
2331 u32 id32;
2332 u16 tmp;
2333 u8 id8;
2334 int ret;
2335
2336 ret = b53_read8(dev, B53_MGMT_PAGE, B53_DEVICE_ID, &id8);
2337 if (ret)
2338 return ret;
2339
2340 switch (id8) {
2341 case 0:
2342
2343
2344
2345
2346
2347
2348
2349 b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_TABLE_ACCESS_25, 0xf);
2350 b53_read16(dev, B53_VLAN_PAGE, B53_VLAN_TABLE_ACCESS_25, &tmp);
2351
2352 if (tmp == 0xf)
2353 dev->chip_id = BCM5325_DEVICE_ID;
2354 else
2355 dev->chip_id = BCM5365_DEVICE_ID;
2356 break;
2357 case BCM5389_DEVICE_ID:
2358 case BCM5395_DEVICE_ID:
2359 case BCM5397_DEVICE_ID:
2360 case BCM5398_DEVICE_ID:
2361 dev->chip_id = id8;
2362 break;
2363 default:
2364 ret = b53_read32(dev, B53_MGMT_PAGE, B53_DEVICE_ID, &id32);
2365 if (ret)
2366 return ret;
2367
2368 switch (id32) {
2369 case BCM53115_DEVICE_ID:
2370 case BCM53125_DEVICE_ID:
2371 case BCM53128_DEVICE_ID:
2372 case BCM53010_DEVICE_ID:
2373 case BCM53011_DEVICE_ID:
2374 case BCM53012_DEVICE_ID:
2375 case BCM53018_DEVICE_ID:
2376 case BCM53019_DEVICE_ID:
2377 dev->chip_id = id32;
2378 break;
2379 default:
2380 pr_err("unsupported switch detected (BCM53%02x/BCM%x)\n",
2381 id8, id32);
2382 return -ENODEV;
2383 }
2384 }
2385
2386 if (dev->chip_id == BCM5325_DEVICE_ID)
2387 return b53_read8(dev, B53_STAT_PAGE, B53_REV_ID_25,
2388 &dev->core_rev);
2389 else
2390 return b53_read8(dev, B53_MGMT_PAGE, B53_REV_ID,
2391 &dev->core_rev);
2392}
2393EXPORT_SYMBOL(b53_switch_detect);
2394
2395int b53_switch_register(struct b53_device *dev)
2396{
2397 int ret;
2398
2399 if (dev->pdata) {
2400 dev->chip_id = dev->pdata->chip_id;
2401 dev->enabled_ports = dev->pdata->enabled_ports;
2402 }
2403
2404 if (!dev->chip_id && b53_switch_detect(dev))
2405 return -EINVAL;
2406
2407 ret = b53_switch_init(dev);
2408 if (ret)
2409 return ret;
2410
2411 pr_info("found switch: %s, rev %i\n", dev->name, dev->core_rev);
2412
2413 return dsa_register_switch(dev->ds);
2414}
2415EXPORT_SYMBOL(b53_switch_register);
2416
2417MODULE_AUTHOR("Jonas Gorski <jogo@openwrt.org>");
2418MODULE_DESCRIPTION("B53 switch library");
2419MODULE_LICENSE("Dual BSD/GPL");
2420