2 * B53 switch driver main logic
4 * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org>
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
21 #include <linux/delay.h>
22 #include <linux/export.h>
23 #include <linux/gpio.h>
24 #include <linux/kernel.h>
25 #include <linux/module.h>
26 #include <linux/switch.h>
27 #include <linux/platform_data/b53.h>
32 /* buffer size needed for displaying all MIBs with max'd values */
33 #define B53_BUF_SIZE 1188
42 /* BCM5365 MIB counters */
43 static const struct b53_mib_desc b53_mibs_65
[] = {
44 { 8, 0x00, "TxOctets" },
45 { 4, 0x08, "TxDropPkts" },
46 { 4, 0x10, "TxBroadcastPkts" },
47 { 4, 0x14, "TxMulticastPkts" },
48 { 4, 0x18, "TxUnicastPkts" },
49 { 4, 0x1c, "TxCollisions" },
50 { 4, 0x20, "TxSingleCollision" },
51 { 4, 0x24, "TxMultipleCollision" },
52 { 4, 0x28, "TxDeferredTransmit" },
53 { 4, 0x2c, "TxLateCollision" },
54 { 4, 0x30, "TxExcessiveCollision" },
55 { 4, 0x38, "TxPausePkts" },
56 { 8, 0x44, "RxOctets" },
57 { 4, 0x4c, "RxUndersizePkts" },
58 { 4, 0x50, "RxPausePkts" },
59 { 4, 0x54, "Pkts64Octets" },
60 { 4, 0x58, "Pkts65to127Octets" },
61 { 4, 0x5c, "Pkts128to255Octets" },
62 { 4, 0x60, "Pkts256to511Octets" },
63 { 4, 0x64, "Pkts512to1023Octets" },
64 { 4, 0x68, "Pkts1024to1522Octets" },
65 { 4, 0x6c, "RxOversizePkts" },
66 { 4, 0x70, "RxJabbers" },
67 { 4, 0x74, "RxAlignmentErrors" },
68 { 4, 0x78, "RxFCSErrors" },
69 { 8, 0x7c, "RxGoodOctets" },
70 { 4, 0x84, "RxDropPkts" },
71 { 4, 0x88, "RxUnicastPkts" },
72 { 4, 0x8c, "RxMulticastPkts" },
73 { 4, 0x90, "RxBroadcastPkts" },
74 { 4, 0x94, "RxSAChanges" },
75 { 4, 0x98, "RxFragments" },
79 /* BCM63xx MIB counters */
80 static const struct b53_mib_desc b53_mibs_63xx
[] = {
81 { 8, 0x00, "TxOctets" },
82 { 4, 0x08, "TxDropPkts" },
83 { 4, 0x0c, "TxQoSPkts" },
84 { 4, 0x10, "TxBroadcastPkts" },
85 { 4, 0x14, "TxMulticastPkts" },
86 { 4, 0x18, "TxUnicastPkts" },
87 { 4, 0x1c, "TxCollisions" },
88 { 4, 0x20, "TxSingleCollision" },
89 { 4, 0x24, "TxMultipleCollision" },
90 { 4, 0x28, "TxDeferredTransmit" },
91 { 4, 0x2c, "TxLateCollision" },
92 { 4, 0x30, "TxExcessiveCollision" },
93 { 4, 0x38, "TxPausePkts" },
94 { 8, 0x3c, "TxQoSOctets" },
95 { 8, 0x44, "RxOctets" },
96 { 4, 0x4c, "RxUndersizePkts" },
97 { 4, 0x50, "RxPausePkts" },
98 { 4, 0x54, "Pkts64Octets" },
99 { 4, 0x58, "Pkts65to127Octets" },
100 { 4, 0x5c, "Pkts128to255Octets" },
101 { 4, 0x60, "Pkts256to511Octets" },
102 { 4, 0x64, "Pkts512to1023Octets" },
103 { 4, 0x68, "Pkts1024to1522Octets" },
104 { 4, 0x6c, "RxOversizePkts" },
105 { 4, 0x70, "RxJabbers" },
106 { 4, 0x74, "RxAlignmentErrors" },
107 { 4, 0x78, "RxFCSErrors" },
108 { 8, 0x7c, "RxGoodOctets" },
109 { 4, 0x84, "RxDropPkts" },
110 { 4, 0x88, "RxUnicastPkts" },
111 { 4, 0x8c, "RxMulticastPkts" },
112 { 4, 0x90, "RxBroadcastPkts" },
113 { 4, 0x94, "RxSAChanges" },
114 { 4, 0x98, "RxFragments" },
115 { 4, 0xa0, "RxSymbolErrors" },
116 { 4, 0xa4, "RxQoSPkts" },
117 { 8, 0xa8, "RxQoSOctets" },
118 { 4, 0xb0, "Pkts1523to2047Octets" },
119 { 4, 0xb4, "Pkts2048to4095Octets" },
120 { 4, 0xb8, "Pkts4096to8191Octets" },
121 { 4, 0xbc, "Pkts8192to9728Octets" },
122 { 4, 0xc0, "RxDiscarded" },
127 static const struct b53_mib_desc b53_mibs
[] = {
128 { 8, 0x00, "TxOctets" },
129 { 4, 0x08, "TxDropPkts" },
130 { 4, 0x10, "TxBroadcastPkts" },
131 { 4, 0x14, "TxMulticastPkts" },
132 { 4, 0x18, "TxUnicastPkts" },
133 { 4, 0x1c, "TxCollisions" },
134 { 4, 0x20, "TxSingleCollision" },
135 { 4, 0x24, "TxMultipleCollision" },
136 { 4, 0x28, "TxDeferredTransmit" },
137 { 4, 0x2c, "TxLateCollision" },
138 { 4, 0x30, "TxExcessiveCollision" },
139 { 4, 0x38, "TxPausePkts" },
140 { 8, 0x50, "RxOctets" },
141 { 4, 0x58, "RxUndersizePkts" },
142 { 4, 0x5c, "RxPausePkts" },
143 { 4, 0x60, "Pkts64Octets" },
144 { 4, 0x64, "Pkts65to127Octets" },
145 { 4, 0x68, "Pkts128to255Octets" },
146 { 4, 0x6c, "Pkts256to511Octets" },
147 { 4, 0x70, "Pkts512to1023Octets" },
148 { 4, 0x74, "Pkts1024to1522Octets" },
149 { 4, 0x78, "RxOversizePkts" },
150 { 4, 0x7c, "RxJabbers" },
151 { 4, 0x80, "RxAlignmentErrors" },
152 { 4, 0x84, "RxFCSErrors" },
153 { 8, 0x88, "RxGoodOctets" },
154 { 4, 0x90, "RxDropPkts" },
155 { 4, 0x94, "RxUnicastPkts" },
156 { 4, 0x98, "RxMulticastPkts" },
157 { 4, 0x9c, "RxBroadcastPkts" },
158 { 4, 0xa0, "RxSAChanges" },
159 { 4, 0xa4, "RxFragments" },
160 { 4, 0xa8, "RxJumboPkts" },
161 { 4, 0xac, "RxSymbolErrors" },
162 { 4, 0xc0, "RxDiscarded" },
166 static int b53_do_vlan_op(struct b53_device
*dev
, u8 op
)
170 b53_write8(dev
, B53_ARLIO_PAGE
, dev
->vta_regs
[0], VTA_START_CMD
| op
);
172 for (i
= 0; i
< 10; i
++) {
175 b53_read8(dev
, B53_ARLIO_PAGE
, dev
->vta_regs
[0], &vta
);
176 if (!(vta
& VTA_START_CMD
))
179 usleep_range(100, 200);
185 static void b53_set_vlan_entry(struct b53_device
*dev
, u16 vid
, u16 members
,
192 entry
= (untag
<< VA_UNTAG_S
) | members
;
193 if (dev
->core_rev
>= 3)
194 entry
|= VA_VALID_25_R4
| vid
<< VA_VID_HIGH_S
;
196 entry
|= VA_VALID_25
;
199 b53_write32(dev
, B53_VLAN_PAGE
, B53_VLAN_WRITE_25
, entry
);
200 b53_write16(dev
, B53_VLAN_PAGE
, B53_VLAN_TABLE_ACCESS_25
, vid
|
201 VTA_RW_STATE_WR
| VTA_RW_OP_EN
);
202 } else if (is5365(dev
)) {
206 entry
= (untag
<< VA_UNTAG_S
) | members
| VA_VALID_65
;
208 b53_write16(dev
, B53_VLAN_PAGE
, B53_VLAN_WRITE_65
, entry
);
209 b53_write16(dev
, B53_VLAN_PAGE
, B53_VLAN_TABLE_ACCESS_65
, vid
|
210 VTA_RW_STATE_WR
| VTA_RW_OP_EN
);
212 b53_write16(dev
, B53_ARLIO_PAGE
, dev
->vta_regs
[1], vid
);
213 b53_write32(dev
, B53_ARLIO_PAGE
, dev
->vta_regs
[2],
214 (untag
<< VTE_UNTAG_S
) | members
);
216 b53_do_vlan_op(dev
, VTA_CMD_WRITE
);
220 void b53_set_forwarding(struct b53_device
*dev
, int enable
)
224 b53_read8(dev
, B53_CTRL_PAGE
, B53_SWITCH_MODE
, &mgmt
);
227 mgmt
|= SM_SW_FWD_EN
;
229 mgmt
&= ~SM_SW_FWD_EN
;
231 b53_write8(dev
, B53_CTRL_PAGE
, B53_SWITCH_MODE
, mgmt
);
234 static void b53_enable_vlan(struct b53_device
*dev
, int enable
)
236 u8 mgmt
, vc0
, vc1
, vc4
= 0, vc5
;
238 b53_read8(dev
, B53_CTRL_PAGE
, B53_SWITCH_MODE
, &mgmt
);
239 b53_read8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL0
, &vc0
);
240 b53_read8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL1
, &vc1
);
242 if (is5325(dev
) || is5365(dev
)) {
243 b53_read8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL4_25
, &vc4
);
244 b53_read8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL5_25
, &vc5
);
245 } else if (is63xx(dev
)) {
246 b53_read8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL4_63XX
, &vc4
);
247 b53_read8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL5_63XX
, &vc5
);
249 b53_read8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL4
, &vc4
);
250 b53_read8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL5
, &vc5
);
253 mgmt
&= ~SM_SW_FWD_MODE
;
256 vc0
|= VC0_VLAN_EN
| VC0_VID_CHK_EN
| VC0_VID_HASH_VID
;
257 vc1
|= VC1_RX_MCST_UNTAG_EN
| VC1_RX_MCST_FWD_EN
;
258 vc4
&= ~VC4_ING_VID_CHECK_MASK
;
259 vc4
|= VC4_ING_VID_VIO_DROP
<< VC4_ING_VID_CHECK_S
;
260 vc5
|= VC5_DROP_VTABLE_MISS
;
263 vc0
&= ~VC0_RESERVED_1
;
265 if (is5325(dev
) || is5365(dev
))
266 vc1
|= VC1_RX_MCST_TAG_EN
;
268 if (!is5325(dev
) && !is5365(dev
)) {
269 if (dev
->allow_vid_4095
)
270 vc5
|= VC5_VID_FFF_EN
;
272 vc5
&= ~VC5_VID_FFF_EN
;
275 vc0
&= ~(VC0_VLAN_EN
| VC0_VID_CHK_EN
| VC0_VID_HASH_VID
);
276 vc1
&= ~(VC1_RX_MCST_UNTAG_EN
| VC1_RX_MCST_FWD_EN
);
277 vc4
&= ~VC4_ING_VID_CHECK_MASK
;
278 vc5
&= ~VC5_DROP_VTABLE_MISS
;
280 if (is5325(dev
) || is5365(dev
))
281 vc4
|= VC4_ING_VID_VIO_FWD
<< VC4_ING_VID_CHECK_S
;
283 vc4
|= VC4_ING_VID_VIO_TO_IMP
<< VC4_ING_VID_CHECK_S
;
285 if (is5325(dev
) || is5365(dev
))
286 vc1
&= ~VC1_RX_MCST_TAG_EN
;
288 if (!is5325(dev
) && !is5365(dev
))
289 vc5
&= ~VC5_VID_FFF_EN
;
292 b53_write8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL0
, vc0
);
293 b53_write8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL1
, vc1
);
295 if (is5325(dev
) || is5365(dev
)) {
296 /* enable the high 8 bit vid check on 5325 */
297 if (is5325(dev
) && enable
)
298 b53_write8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL3
,
301 b53_write8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL3
, 0);
303 b53_write8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL4_25
, vc4
);
304 b53_write8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL5_25
, vc5
);
305 } else if (is63xx(dev
)) {
306 b53_write16(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL3_63XX
, 0);
307 b53_write8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL4_63XX
, vc4
);
308 b53_write8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL5_63XX
, vc5
);
310 b53_write16(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL3
, 0);
311 b53_write8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL4
, vc4
);
312 b53_write8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL5
, vc5
);
315 b53_write8(dev
, B53_CTRL_PAGE
, B53_SWITCH_MODE
, mgmt
);
318 static int b53_set_jumbo(struct b53_device
*dev
, int enable
, int allow_10_100
)
321 u16 max_size
= JMS_MIN_SIZE
;
323 if (is5325(dev
) || is5365(dev
))
327 port_mask
= dev
->enabled_ports
;
328 max_size
= JMS_MAX_SIZE
;
330 port_mask
|= JPM_10_100_JUMBO_EN
;
333 b53_write32(dev
, B53_JUMBO_PAGE
, dev
->jumbo_pm_reg
, port_mask
);
334 return b53_write16(dev
, B53_JUMBO_PAGE
, dev
->jumbo_size_reg
, max_size
);
337 static int b53_flush_arl(struct b53_device
*dev
)
341 b53_write8(dev
, B53_CTRL_PAGE
, B53_FAST_AGE_CTRL
,
342 FAST_AGE_DONE
| FAST_AGE_DYNAMIC
| FAST_AGE_STATIC
);
344 for (i
= 0; i
< 10; i
++) {
347 b53_read8(dev
, B53_CTRL_PAGE
, B53_FAST_AGE_CTRL
,
350 if (!(fast_age_ctrl
& FAST_AGE_DONE
))
356 pr_warn("time out while flushing ARL\n");
361 static void b53_enable_ports(struct b53_device
*dev
)
365 b53_for_each_port(dev
, i
) {
370 * prevent leaking packets between wan and lan in unmanaged
371 * mode through port vlans.
373 if (dev
->enable_vlan
|| is_cpu_port(dev
, i
))
375 else if (is531x5(dev
) || is5301x(dev
))
376 /* BCM53115 may use a different port as cpu port */
377 pvlan_mask
= BIT(dev
->sw_dev
.cpu_port
);
379 pvlan_mask
= BIT(B53_CPU_PORT
);
381 /* BCM5325 CPU port is at 8 */
382 if ((is5325(dev
) || is5365(dev
)) && i
== B53_CPU_PORT_25
)
385 if (dev
->chip_id
== BCM5398_DEVICE_ID
&& (i
== 6 || i
== 7))
386 /* disable unused ports 6 & 7 */
387 port_ctrl
= PORT_CTRL_RX_DISABLE
| PORT_CTRL_TX_DISABLE
;
388 else if (i
== B53_CPU_PORT
)
389 port_ctrl
= PORT_CTRL_RX_BCST_EN
|
390 PORT_CTRL_RX_MCST_EN
|
391 PORT_CTRL_RX_UCST_EN
;
395 b53_write16(dev
, B53_PVLAN_PAGE
, B53_PVLAN_PORT_MASK(i
),
398 /* port state is handled by bcm63xx_enet driver */
399 if (!is63xx(dev
) && !(is5301x(dev
) && i
== 6))
400 b53_write8(dev
, B53_CTRL_PAGE
, B53_PORT_CTRL(i
),
405 static void b53_enable_mib(struct b53_device
*dev
)
409 b53_read8(dev
, B53_CTRL_PAGE
, B53_GLOBAL_CONFIG
, &gc
);
411 gc
&= ~(GC_RESET_MIB
| GC_MIB_AC_EN
);
413 b53_write8(dev
, B53_CTRL_PAGE
, B53_GLOBAL_CONFIG
, gc
);
416 static int b53_apply(struct b53_device
*dev
)
420 /* clear all vlan entries */
421 if (is5325(dev
) || is5365(dev
)) {
422 for (i
= 1; i
< dev
->sw_dev
.vlans
; i
++)
423 b53_set_vlan_entry(dev
, i
, 0, 0);
425 b53_do_vlan_op(dev
, VTA_CMD_CLEAR
);
428 b53_enable_vlan(dev
, dev
->enable_vlan
);
430 /* fill VLAN table */
431 if (dev
->enable_vlan
) {
432 for (i
= 0; i
< dev
->sw_dev
.vlans
; i
++) {
433 struct b53_vlan
*vlan
= &dev
->vlans
[i
];
438 b53_set_vlan_entry(dev
, i
, vlan
->members
, vlan
->untag
);
441 b53_for_each_port(dev
, i
)
442 b53_write16(dev
, B53_VLAN_PAGE
,
443 B53_VLAN_PORT_DEF_TAG(i
),
446 b53_for_each_port(dev
, i
)
447 b53_write16(dev
, B53_VLAN_PAGE
,
448 B53_VLAN_PORT_DEF_TAG(i
), 1);
452 b53_enable_ports(dev
);
454 if (!is5325(dev
) && !is5365(dev
))
455 b53_set_jumbo(dev
, dev
->enable_jumbo
, 1);
460 void b53_switch_reset_gpio(struct b53_device
*dev
)
462 int gpio
= dev
->reset_gpio
;
468 * Reset sequence: RESET low(50ms)->high(20ms)
470 gpio_set_value(gpio
, 0);
473 gpio_set_value(gpio
, 1);
476 dev
->current_page
= 0xff;
479 static int b53_switch_reset(struct b53_device
*dev
)
483 b53_switch_reset_gpio(dev
);
486 b53_write8(dev
, B53_CTRL_PAGE
, B53_SOFTRESET
, 0x83);
487 b53_write8(dev
, B53_CTRL_PAGE
, B53_SOFTRESET
, 0x00);
490 b53_read8(dev
, B53_CTRL_PAGE
, B53_SWITCH_MODE
, &mgmt
);
492 if (!(mgmt
& SM_SW_FWD_EN
)) {
493 mgmt
&= ~SM_SW_FWD_MODE
;
494 mgmt
|= SM_SW_FWD_EN
;
496 b53_write8(dev
, B53_CTRL_PAGE
, B53_SWITCH_MODE
, mgmt
);
497 b53_read8(dev
, B53_CTRL_PAGE
, B53_SWITCH_MODE
, &mgmt
);
499 if (!(mgmt
& SM_SW_FWD_EN
)) {
500 pr_err("Failed to enable switch!\n");
505 /* enable all ports */
506 b53_enable_ports(dev
);
508 /* configure MII port if necessary */
510 u8 mii_port_override
;
512 b53_read8(dev
, B53_CTRL_PAGE
, B53_PORT_OVERRIDE_CTRL
,
514 /* reverse mii needs to be enabled */
515 if (!(mii_port_override
& PORT_OVERRIDE_RV_MII_25
)) {
516 b53_write8(dev
, B53_CTRL_PAGE
, B53_PORT_OVERRIDE_CTRL
,
517 mii_port_override
| PORT_OVERRIDE_RV_MII_25
);
518 b53_read8(dev
, B53_CTRL_PAGE
, B53_PORT_OVERRIDE_CTRL
,
521 if (!(mii_port_override
& PORT_OVERRIDE_RV_MII_25
)) {
522 pr_err("Failed to enable reverse MII mode\n");
526 } else if ((is531x5(dev
) || is5301x(dev
)) && dev
->sw_dev
.cpu_port
== B53_CPU_PORT
) {
527 u8 mii_port_override
;
529 b53_read8(dev
, B53_CTRL_PAGE
, B53_PORT_OVERRIDE_CTRL
,
531 b53_write8(dev
, B53_CTRL_PAGE
, B53_PORT_OVERRIDE_CTRL
,
532 mii_port_override
| PORT_OVERRIDE_EN
|
538 return b53_flush_arl(dev
);
542 * Swconfig glue functions
545 static int b53_global_get_vlan_enable(struct switch_dev
*dev
,
546 const struct switch_attr
*attr
,
547 struct switch_val
*val
)
549 struct b53_device
*priv
= sw_to_b53(dev
);
551 val
->value
.i
= priv
->enable_vlan
;
556 static int b53_global_set_vlan_enable(struct switch_dev
*dev
,
557 const struct switch_attr
*attr
,
558 struct switch_val
*val
)
560 struct b53_device
*priv
= sw_to_b53(dev
);
562 priv
->enable_vlan
= val
->value
.i
;
567 static int b53_global_get_jumbo_enable(struct switch_dev
*dev
,
568 const struct switch_attr
*attr
,
569 struct switch_val
*val
)
571 struct b53_device
*priv
= sw_to_b53(dev
);
573 val
->value
.i
= priv
->enable_jumbo
;
578 static int b53_global_set_jumbo_enable(struct switch_dev
*dev
,
579 const struct switch_attr
*attr
,
580 struct switch_val
*val
)
582 struct b53_device
*priv
= sw_to_b53(dev
);
584 priv
->enable_jumbo
= val
->value
.i
;
589 static int b53_global_get_4095_enable(struct switch_dev
*dev
,
590 const struct switch_attr
*attr
,
591 struct switch_val
*val
)
593 struct b53_device
*priv
= sw_to_b53(dev
);
595 val
->value
.i
= priv
->allow_vid_4095
;
600 static int b53_global_set_4095_enable(struct switch_dev
*dev
,
601 const struct switch_attr
*attr
,
602 struct switch_val
*val
)
604 struct b53_device
*priv
= sw_to_b53(dev
);
606 priv
->allow_vid_4095
= val
->value
.i
;
611 static int b53_global_get_ports(struct switch_dev
*dev
,
612 const struct switch_attr
*attr
,
613 struct switch_val
*val
)
615 struct b53_device
*priv
= sw_to_b53(dev
);
617 val
->len
= snprintf(priv
->buf
, B53_BUF_SIZE
, "0x%04x",
618 priv
->enabled_ports
);
619 val
->value
.s
= priv
->buf
;
624 static int b53_port_get_pvid(struct switch_dev
*dev
, int port
, int *val
)
626 struct b53_device
*priv
= sw_to_b53(dev
);
628 *val
= priv
->ports
[port
].pvid
;
633 static int b53_port_set_pvid(struct switch_dev
*dev
, int port
, int val
)
635 struct b53_device
*priv
= sw_to_b53(dev
);
637 if (val
> 15 && is5325(priv
))
639 if (val
== 4095 && !priv
->allow_vid_4095
)
642 priv
->ports
[port
].pvid
= val
;
647 static int b53_vlan_get_ports(struct switch_dev
*dev
, struct switch_val
*val
)
649 struct b53_device
*priv
= sw_to_b53(dev
);
650 struct switch_port
*port
= &val
->value
.ports
[0];
651 struct b53_vlan
*vlan
= &priv
->vlans
[val
->port_vlan
];
659 for (i
= 0; i
< dev
->ports
; i
++) {
660 if (!(vlan
->members
& BIT(i
)))
664 if (!(vlan
->untag
& BIT(i
)))
665 port
->flags
= BIT(SWITCH_PORT_FLAG_TAGGED
);
677 static int b53_vlan_set_ports(struct switch_dev
*dev
, struct switch_val
*val
)
679 struct b53_device
*priv
= sw_to_b53(dev
);
680 struct switch_port
*port
;
681 struct b53_vlan
*vlan
= &priv
->vlans
[val
->port_vlan
];
684 /* only BCM5325 and BCM5365 supports VID 0 */
685 if (val
->port_vlan
== 0 && !is5325(priv
) && !is5365(priv
))
688 /* VLAN 4095 needs special handling */
689 if (val
->port_vlan
== 4095 && !priv
->allow_vid_4095
)
692 port
= &val
->value
.ports
[0];
695 for (i
= 0; i
< val
->len
; i
++, port
++) {
696 vlan
->members
|= BIT(port
->id
);
698 if (!(port
->flags
& BIT(SWITCH_PORT_FLAG_TAGGED
))) {
699 vlan
->untag
|= BIT(port
->id
);
700 priv
->ports
[port
->id
].pvid
= val
->port_vlan
;
704 /* ignore disabled ports */
705 vlan
->members
&= priv
->enabled_ports
;
706 vlan
->untag
&= priv
->enabled_ports
;
711 static int b53_port_get_link(struct switch_dev
*dev
, int port
,
712 struct switch_port_link
*link
)
714 struct b53_device
*priv
= sw_to_b53(dev
);
716 if (is_cpu_port(priv
, port
)) {
719 link
->speed
= is5325(priv
) || is5365(priv
) ?
720 SWITCH_PORT_SPEED_100
: SWITCH_PORT_SPEED_1000
;
722 } else if (priv
->enabled_ports
& BIT(port
)) {
726 b53_read16(priv
, B53_STAT_PAGE
, B53_LINK_STAT
, &lnk
);
727 b53_read16(priv
, B53_STAT_PAGE
, priv
->duplex_reg
, &duplex
);
729 lnk
= (lnk
>> port
) & 1;
730 duplex
= (duplex
>> port
) & 1;
732 if (is5325(priv
) || is5365(priv
)) {
735 b53_read16(priv
, B53_STAT_PAGE
, B53_SPEED_STAT
, &tmp
);
736 speed
= SPEED_PORT_FE(tmp
, port
);
738 b53_read32(priv
, B53_STAT_PAGE
, B53_SPEED_STAT
, &speed
);
739 speed
= SPEED_PORT_GE(speed
, port
);
744 link
->duplex
= duplex
;
747 link
->speed
= SWITCH_PORT_SPEED_10
;
749 case SPEED_STAT_100M
:
750 link
->speed
= SWITCH_PORT_SPEED_100
;
752 case SPEED_STAT_1000M
:
753 link
->speed
= SWITCH_PORT_SPEED_1000
;
767 static int b53_global_reset_switch(struct switch_dev
*dev
)
769 struct b53_device
*priv
= sw_to_b53(dev
);
772 priv
->enable_vlan
= 0;
773 priv
->enable_jumbo
= 0;
774 priv
->allow_vid_4095
= 0;
776 memset(priv
->vlans
, 0, sizeof(priv
->vlans
) * dev
->vlans
);
777 memset(priv
->ports
, 0, sizeof(priv
->ports
) * dev
->ports
);
779 return b53_switch_reset(priv
);
782 static int b53_global_apply_config(struct switch_dev
*dev
)
784 struct b53_device
*priv
= sw_to_b53(dev
);
786 /* disable switching */
787 b53_set_forwarding(priv
, 0);
791 /* enable switching */
792 b53_set_forwarding(priv
, 1);
798 static int b53_global_reset_mib(struct switch_dev
*dev
,
799 const struct switch_attr
*attr
,
800 struct switch_val
*val
)
802 struct b53_device
*priv
= sw_to_b53(dev
);
805 b53_read8(priv
, B53_MGMT_PAGE
, B53_GLOBAL_CONFIG
, &gc
);
807 b53_write8(priv
, B53_MGMT_PAGE
, B53_GLOBAL_CONFIG
, gc
| GC_RESET_MIB
);
809 b53_write8(priv
, B53_MGMT_PAGE
, B53_GLOBAL_CONFIG
, gc
& ~GC_RESET_MIB
);
815 static int b53_port_get_mib(struct switch_dev
*sw_dev
,
816 const struct switch_attr
*attr
,
817 struct switch_val
*val
)
819 struct b53_device
*dev
= sw_to_b53(sw_dev
);
820 const struct b53_mib_desc
*mibs
;
821 int port
= val
->port_vlan
;
824 if (!(BIT(port
) & dev
->enabled_ports
))
832 } else if (is63xx(dev
)) {
833 mibs
= b53_mibs_63xx
;
840 for (; mibs
->size
> 0; mibs
++) {
843 if (mibs
->size
== 8) {
844 b53_read64(dev
, B53_MIB_PAGE(port
), mibs
->offset
, &val
);
848 b53_read32(dev
, B53_MIB_PAGE(port
), mibs
->offset
,
853 len
+= snprintf(dev
->buf
+ len
, B53_BUF_SIZE
- len
,
854 "%-20s: %llu\n", mibs
->name
, val
);
858 val
->value
.s
= dev
->buf
;
863 static struct switch_attr b53_global_ops_25
[] = {
865 .type
= SWITCH_TYPE_INT
,
866 .name
= "enable_vlan",
867 .description
= "Enable VLAN mode",
868 .set
= b53_global_set_vlan_enable
,
869 .get
= b53_global_get_vlan_enable
,
873 .type
= SWITCH_TYPE_STRING
,
875 .description
= "Available ports (as bitmask)",
876 .get
= b53_global_get_ports
,
880 static struct switch_attr b53_global_ops_65
[] = {
882 .type
= SWITCH_TYPE_INT
,
883 .name
= "enable_vlan",
884 .description
= "Enable VLAN mode",
885 .set
= b53_global_set_vlan_enable
,
886 .get
= b53_global_get_vlan_enable
,
890 .type
= SWITCH_TYPE_STRING
,
892 .description
= "Available ports (as bitmask)",
893 .get
= b53_global_get_ports
,
896 .type
= SWITCH_TYPE_INT
,
898 .description
= "Reset MIB counters",
899 .set
= b53_global_reset_mib
,
903 static struct switch_attr b53_global_ops
[] = {
905 .type
= SWITCH_TYPE_INT
,
906 .name
= "enable_vlan",
907 .description
= "Enable VLAN mode",
908 .set
= b53_global_set_vlan_enable
,
909 .get
= b53_global_get_vlan_enable
,
913 .type
= SWITCH_TYPE_STRING
,
915 .description
= "Available Ports (as bitmask)",
916 .get
= b53_global_get_ports
,
919 .type
= SWITCH_TYPE_INT
,
921 .description
= "Reset MIB counters",
922 .set
= b53_global_reset_mib
,
925 .type
= SWITCH_TYPE_INT
,
926 .name
= "enable_jumbo",
927 .description
= "Enable Jumbo Frames",
928 .set
= b53_global_set_jumbo_enable
,
929 .get
= b53_global_get_jumbo_enable
,
933 .type
= SWITCH_TYPE_INT
,
934 .name
= "allow_vid_4095",
935 .description
= "Allow VID 4095",
936 .set
= b53_global_set_4095_enable
,
937 .get
= b53_global_get_4095_enable
,
942 static struct switch_attr b53_port_ops
[] = {
944 .type
= SWITCH_TYPE_STRING
,
946 .description
= "Get port's MIB counters",
947 .get
= b53_port_get_mib
,
951 static struct switch_attr b53_no_ops
[] = {
954 static const struct switch_dev_ops b53_switch_ops_25
= {
956 .attr
= b53_global_ops_25
,
957 .n_attr
= ARRAY_SIZE(b53_global_ops_25
),
961 .n_attr
= ARRAY_SIZE(b53_no_ops
),
965 .n_attr
= ARRAY_SIZE(b53_no_ops
),
968 .get_vlan_ports
= b53_vlan_get_ports
,
969 .set_vlan_ports
= b53_vlan_set_ports
,
970 .get_port_pvid
= b53_port_get_pvid
,
971 .set_port_pvid
= b53_port_set_pvid
,
972 .apply_config
= b53_global_apply_config
,
973 .reset_switch
= b53_global_reset_switch
,
974 .get_port_link
= b53_port_get_link
,
977 static const struct switch_dev_ops b53_switch_ops_65
= {
979 .attr
= b53_global_ops_65
,
980 .n_attr
= ARRAY_SIZE(b53_global_ops_65
),
983 .attr
= b53_port_ops
,
984 .n_attr
= ARRAY_SIZE(b53_port_ops
),
988 .n_attr
= ARRAY_SIZE(b53_no_ops
),
991 .get_vlan_ports
= b53_vlan_get_ports
,
992 .set_vlan_ports
= b53_vlan_set_ports
,
993 .get_port_pvid
= b53_port_get_pvid
,
994 .set_port_pvid
= b53_port_set_pvid
,
995 .apply_config
= b53_global_apply_config
,
996 .reset_switch
= b53_global_reset_switch
,
997 .get_port_link
= b53_port_get_link
,
1000 static const struct switch_dev_ops b53_switch_ops
= {
1002 .attr
= b53_global_ops
,
1003 .n_attr
= ARRAY_SIZE(b53_global_ops
),
1006 .attr
= b53_port_ops
,
1007 .n_attr
= ARRAY_SIZE(b53_port_ops
),
1011 .n_attr
= ARRAY_SIZE(b53_no_ops
),
1014 .get_vlan_ports
= b53_vlan_get_ports
,
1015 .set_vlan_ports
= b53_vlan_set_ports
,
1016 .get_port_pvid
= b53_port_get_pvid
,
1017 .set_port_pvid
= b53_port_set_pvid
,
1018 .apply_config
= b53_global_apply_config
,
1019 .reset_switch
= b53_global_reset_switch
,
1020 .get_port_link
= b53_port_get_link
,
1023 struct b53_chip_data
{
1025 const char *dev_name
;
1034 const struct switch_dev_ops
*sw_ops
;
1037 #define B53_VTA_REGS \
1038 { B53_VT_ACCESS, B53_VT_INDEX, B53_VT_ENTRY }
1039 #define B53_VTA_REGS_9798 \
1040 { B53_VT_ACCESS_9798, B53_VT_INDEX_9798, B53_VT_ENTRY_9798 }
1041 #define B53_VTA_REGS_63XX \
1042 { B53_VT_ACCESS_63XX, B53_VT_INDEX_63XX, B53_VT_ENTRY_63XX }
1044 static const struct b53_chip_data b53_switch_chips
[] = {
1046 .chip_id
= BCM5325_DEVICE_ID
,
1047 .dev_name
= "BCM5325",
1050 .enabled_ports
= 0x1f,
1051 .cpu_port
= B53_CPU_PORT_25
,
1052 .duplex_reg
= B53_DUPLEX_STAT_FE
,
1053 .sw_ops
= &b53_switch_ops_25
,
1056 .chip_id
= BCM5365_DEVICE_ID
,
1057 .dev_name
= "BCM5365",
1060 .enabled_ports
= 0x1f,
1061 .cpu_port
= B53_CPU_PORT_25
,
1062 .duplex_reg
= B53_DUPLEX_STAT_FE
,
1063 .sw_ops
= &b53_switch_ops_65
,
1066 .chip_id
= BCM5395_DEVICE_ID
,
1067 .dev_name
= "BCM5395",
1070 .enabled_ports
= 0x1f,
1071 .cpu_port
= B53_CPU_PORT
,
1072 .vta_regs
= B53_VTA_REGS
,
1073 .duplex_reg
= B53_DUPLEX_STAT_GE
,
1074 .jumbo_pm_reg
= B53_JUMBO_PORT_MASK
,
1075 .jumbo_size_reg
= B53_JUMBO_MAX_SIZE
,
1076 .sw_ops
= &b53_switch_ops
,
1079 .chip_id
= BCM5397_DEVICE_ID
,
1080 .dev_name
= "BCM5397",
1083 .enabled_ports
= 0x1f,
1084 .cpu_port
= B53_CPU_PORT
,
1085 .vta_regs
= B53_VTA_REGS_9798
,
1086 .duplex_reg
= B53_DUPLEX_STAT_GE
,
1087 .jumbo_pm_reg
= B53_JUMBO_PORT_MASK
,
1088 .jumbo_size_reg
= B53_JUMBO_MAX_SIZE
,
1089 .sw_ops
= &b53_switch_ops
,
1092 .chip_id
= BCM5398_DEVICE_ID
,
1093 .dev_name
= "BCM5398",
1096 .enabled_ports
= 0x7f,
1097 .cpu_port
= B53_CPU_PORT
,
1098 .vta_regs
= B53_VTA_REGS_9798
,
1099 .duplex_reg
= B53_DUPLEX_STAT_GE
,
1100 .jumbo_pm_reg
= B53_JUMBO_PORT_MASK
,
1101 .jumbo_size_reg
= B53_JUMBO_MAX_SIZE
,
1102 .sw_ops
= &b53_switch_ops
,
1105 .chip_id
= BCM53115_DEVICE_ID
,
1106 .dev_name
= "BCM53115",
1107 .alias
= "bcm53115",
1109 .enabled_ports
= 0x1f,
1110 .vta_regs
= B53_VTA_REGS
,
1111 .cpu_port
= B53_CPU_PORT
,
1112 .duplex_reg
= B53_DUPLEX_STAT_GE
,
1113 .jumbo_pm_reg
= B53_JUMBO_PORT_MASK
,
1114 .jumbo_size_reg
= B53_JUMBO_MAX_SIZE
,
1115 .sw_ops
= &b53_switch_ops
,
1118 .chip_id
= BCM53125_DEVICE_ID
,
1119 .dev_name
= "BCM53125",
1120 .alias
= "bcm53125",
1122 .enabled_ports
= 0x1f,
1123 .cpu_port
= B53_CPU_PORT
,
1124 .vta_regs
= B53_VTA_REGS
,
1125 .duplex_reg
= B53_DUPLEX_STAT_GE
,
1126 .jumbo_pm_reg
= B53_JUMBO_PORT_MASK
,
1127 .jumbo_size_reg
= B53_JUMBO_MAX_SIZE
,
1128 .sw_ops
= &b53_switch_ops
,
1131 .chip_id
= BCM63XX_DEVICE_ID
,
1132 .dev_name
= "BCM63xx",
1135 .enabled_ports
= 0, /* pdata must provide them */
1136 .cpu_port
= B53_CPU_PORT
,
1137 .vta_regs
= B53_VTA_REGS_63XX
,
1138 .duplex_reg
= B53_DUPLEX_STAT_63XX
,
1139 .jumbo_pm_reg
= B53_JUMBO_PORT_MASK_63XX
,
1140 .jumbo_size_reg
= B53_JUMBO_MAX_SIZE_63XX
,
1141 .sw_ops
= &b53_switch_ops
,
1144 .chip_id
= BCM53010_DEVICE_ID
,
1145 .dev_name
= "BCM53010",
1146 .alias
= "bcm53011",
1148 .enabled_ports
= 0x1f,
1149 .cpu_port
= B53_CPU_PORT_25
, // TODO: auto detect
1150 .vta_regs
= B53_VTA_REGS
,
1151 .duplex_reg
= B53_DUPLEX_STAT_GE
,
1152 .jumbo_pm_reg
= B53_JUMBO_PORT_MASK
,
1153 .jumbo_size_reg
= B53_JUMBO_MAX_SIZE
,
1154 .sw_ops
= &b53_switch_ops
,
1157 .chip_id
= BCM53011_DEVICE_ID
,
1158 .dev_name
= "BCM53011",
1159 .alias
= "bcm53011",
1161 .enabled_ports
= 0x1f,
1162 .cpu_port
= B53_CPU_PORT_25
, // TODO: auto detect
1163 .vta_regs
= B53_VTA_REGS
,
1164 .duplex_reg
= B53_DUPLEX_STAT_GE
,
1165 .jumbo_pm_reg
= B53_JUMBO_PORT_MASK
,
1166 .jumbo_size_reg
= B53_JUMBO_MAX_SIZE
,
1167 .sw_ops
= &b53_switch_ops
,
1170 .chip_id
= BCM53012_DEVICE_ID
,
1171 .dev_name
= "BCM53012",
1172 .alias
= "bcm53011",
1174 .enabled_ports
= 0x1f,
1175 .cpu_port
= B53_CPU_PORT_25
, // TODO: auto detect
1176 .vta_regs
= B53_VTA_REGS
,
1177 .duplex_reg
= B53_DUPLEX_STAT_GE
,
1178 .jumbo_pm_reg
= B53_JUMBO_PORT_MASK
,
1179 .jumbo_size_reg
= B53_JUMBO_MAX_SIZE
,
1180 .sw_ops
= &b53_switch_ops
,
1183 .chip_id
= BCM53018_DEVICE_ID
,
1184 .dev_name
= "BCM53018",
1185 .alias
= "bcm53018",
1187 .enabled_ports
= 0x1f,
1188 .cpu_port
= B53_CPU_PORT_25
, // TODO: auto detect
1189 .vta_regs
= B53_VTA_REGS
,
1190 .duplex_reg
= B53_DUPLEX_STAT_GE
,
1191 .jumbo_pm_reg
= B53_JUMBO_PORT_MASK
,
1192 .jumbo_size_reg
= B53_JUMBO_MAX_SIZE
,
1193 .sw_ops
= &b53_switch_ops
,
1196 .chip_id
= BCM53019_DEVICE_ID
,
1197 .dev_name
= "BCM53019",
1198 .alias
= "bcm53019",
1200 .enabled_ports
= 0x1f,
1201 .cpu_port
= B53_CPU_PORT_25
, // TODO: auto detect
1202 .vta_regs
= B53_VTA_REGS
,
1203 .duplex_reg
= B53_DUPLEX_STAT_GE
,
1204 .jumbo_pm_reg
= B53_JUMBO_PORT_MASK
,
1205 .jumbo_size_reg
= B53_JUMBO_MAX_SIZE
,
1206 .sw_ops
= &b53_switch_ops
,
1210 int b53_switch_init(struct b53_device
*dev
)
1212 struct switch_dev
*sw_dev
= &dev
->sw_dev
;
1216 for (i
= 0; i
< ARRAY_SIZE(b53_switch_chips
); i
++) {
1217 const struct b53_chip_data
*chip
= &b53_switch_chips
[i
];
1219 if (chip
->chip_id
== dev
->chip_id
) {
1220 sw_dev
->name
= chip
->dev_name
;
1222 sw_dev
->alias
= chip
->alias
;
1223 if (!dev
->enabled_ports
)
1224 dev
->enabled_ports
= chip
->enabled_ports
;
1225 dev
->duplex_reg
= chip
->duplex_reg
;
1226 dev
->vta_regs
[0] = chip
->vta_regs
[0];
1227 dev
->vta_regs
[1] = chip
->vta_regs
[1];
1228 dev
->vta_regs
[2] = chip
->vta_regs
[2];
1229 dev
->jumbo_pm_reg
= chip
->jumbo_pm_reg
;
1230 sw_dev
->ops
= chip
->sw_ops
;
1231 sw_dev
->cpu_port
= chip
->cpu_port
;
1232 sw_dev
->vlans
= chip
->vlans
;
1240 /* check which BCM5325x version we have */
1244 b53_read8(dev
, B53_VLAN_PAGE
, B53_VLAN_CTRL4_25
, &vc4
);
1246 /* check reserved bits */
1252 /* BCM5325F - do not use port 4 */
1253 dev
->enabled_ports
&= ~BIT(4);
1256 /* On the BCM47XX SoCs this is the supported internal switch.*/
1257 #ifndef CONFIG_BCM47XX
1264 } else if (dev
->chip_id
== BCM53115_DEVICE_ID
) {
1267 b53_read48(dev
, B53_STAT_PAGE
, B53_STRAP_VALUE
, &strap_value
);
1268 /* use second IMP port if GMII is enabled */
1269 if (strap_value
& SV_GMII_CTRL_115
)
1270 sw_dev
->cpu_port
= 5;
1273 /* cpu port is always last */
1274 sw_dev
->ports
= sw_dev
->cpu_port
+ 1;
1275 dev
->enabled_ports
|= BIT(sw_dev
->cpu_port
);
1277 dev
->ports
= devm_kzalloc(dev
->dev
,
1278 sizeof(struct b53_port
) * sw_dev
->ports
,
1283 dev
->vlans
= devm_kzalloc(dev
->dev
,
1284 sizeof(struct b53_vlan
) * sw_dev
->vlans
,
1289 dev
->buf
= devm_kzalloc(dev
->dev
, B53_BUF_SIZE
, GFP_KERNEL
);
1293 dev
->reset_gpio
= b53_switch_get_reset_gpio(dev
);
1294 if (dev
->reset_gpio
>= 0) {
1295 ret
= devm_gpio_request_one(dev
->dev
, dev
->reset_gpio
, GPIOF_OUT_INIT_HIGH
, "robo_reset");
1300 return b53_switch_reset(dev
);
1303 struct b53_device
*b53_switch_alloc(struct device
*base
, struct b53_io_ops
*ops
,
1306 struct b53_device
*dev
;
1308 dev
= devm_kzalloc(base
, sizeof(*dev
), GFP_KERNEL
);
1315 mutex_init(&dev
->reg_mutex
);
1319 EXPORT_SYMBOL(b53_switch_alloc
);
1321 int b53_switch_detect(struct b53_device
*dev
)
1328 ret
= b53_read8(dev
, B53_MGMT_PAGE
, B53_DEVICE_ID
, &id8
);
1335 * BCM5325 and BCM5365 do not have this register so reads
1336 * return 0. But the read operation did succeed, so assume
1337 * this is one of them.
1339 * Next check if we can write to the 5325's VTA register; for
1340 * 5365 it is read only.
1343 b53_write16(dev
, B53_VLAN_PAGE
, B53_VLAN_TABLE_ACCESS_25
, 0xf);
1344 b53_read16(dev
, B53_VLAN_PAGE
, B53_VLAN_TABLE_ACCESS_25
, &tmp
);
1347 dev
->chip_id
= BCM5325_DEVICE_ID
;
1349 dev
->chip_id
= BCM5365_DEVICE_ID
;
1351 case BCM5395_DEVICE_ID
:
1352 case BCM5397_DEVICE_ID
:
1353 case BCM5398_DEVICE_ID
:
1357 ret
= b53_read32(dev
, B53_MGMT_PAGE
, B53_DEVICE_ID
, &id32
);
1362 case BCM53115_DEVICE_ID
:
1363 case BCM53125_DEVICE_ID
:
1364 case BCM53010_DEVICE_ID
:
1365 case BCM53011_DEVICE_ID
:
1366 case BCM53012_DEVICE_ID
:
1367 case BCM53018_DEVICE_ID
:
1368 case BCM53019_DEVICE_ID
:
1369 dev
->chip_id
= id32
;
1372 pr_err("unsupported switch detected (BCM53%02x/BCM%x)\n",
1378 if (dev
->chip_id
== BCM5325_DEVICE_ID
)
1379 return b53_read8(dev
, B53_STAT_PAGE
, B53_REV_ID_25
,
1382 return b53_read8(dev
, B53_MGMT_PAGE
, B53_REV_ID
,
1385 EXPORT_SYMBOL(b53_switch_detect
);
1387 int b53_switch_register(struct b53_device
*dev
)
1392 dev
->chip_id
= dev
->pdata
->chip_id
;
1393 dev
->enabled_ports
= dev
->pdata
->enabled_ports
;
1394 dev
->sw_dev
.alias
= dev
->pdata
->alias
;
1397 if (!dev
->chip_id
&& b53_switch_detect(dev
))
1400 ret
= b53_switch_init(dev
);
1404 pr_info("found switch: %s, rev %i\n", dev
->sw_dev
.name
, dev
->core_rev
);
1406 return register_switch(&dev
->sw_dev
, NULL
);
1408 EXPORT_SYMBOL(b53_switch_register
);
1410 MODULE_AUTHOR("Jonas Gorski <jogo@openwrt.org>");
1411 MODULE_DESCRIPTION("B53 switch library");
1412 MODULE_LICENSE("Dual BSD/GPL");