2 * ar8216.c: AR8216 switch driver
4 * Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
5 * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
19 #include <linux/module.h>
20 #include <linux/init.h>
21 #include <linux/list.h>
22 #include <linux/if_ether.h>
23 #include <linux/skbuff.h>
24 #include <linux/netdevice.h>
25 #include <linux/netlink.h>
26 #include <linux/bitops.h>
27 #include <net/genetlink.h>
28 #include <linux/switch.h>
29 #include <linux/delay.h>
30 #include <linux/phy.h>
31 #include <linux/netdevice.h>
32 #include <linux/etherdevice.h>
33 #include <linux/lockdep.h>
34 #include <linux/ar8216_platform.h>
35 #include <linux/workqueue.h>
36 #include <linux/of_device.h>
37 #include <linux/leds.h>
38 #include <linux/gpio.h>
42 /* size of the vlan table */
43 #define AR8X16_MAX_VLANS 128
44 #define AR8X16_PROBE_RETRIES 10
45 #define AR8X16_MAX_PORTS 8
47 #define AR8XXX_MIB_WORK_DELAY 2000 /* msecs */
51 #define AR8XXX_CAP_GIGE BIT(0)
52 #define AR8XXX_CAP_MIB_COUNTERS BIT(1)
55 AR8XXX_VER_AR8216
= 0x01,
56 AR8XXX_VER_AR8236
= 0x03,
57 AR8XXX_VER_AR8316
= 0x10,
58 AR8XXX_VER_AR8327
= 0x12,
59 AR8XXX_VER_AR8337
= 0x13,
62 struct ar8xxx_mib_desc
{
71 int (*hw_init
)(struct ar8xxx_priv
*priv
);
72 void (*cleanup
)(struct ar8xxx_priv
*priv
);
74 void (*init_globals
)(struct ar8xxx_priv
*priv
);
75 void (*init_port
)(struct ar8xxx_priv
*priv
, int port
);
76 void (*setup_port
)(struct ar8xxx_priv
*priv
, int port
, u32 members
);
77 u32 (*read_port_status
)(struct ar8xxx_priv
*priv
, int port
);
78 int (*atu_flush
)(struct ar8xxx_priv
*priv
);
79 void (*vtu_flush
)(struct ar8xxx_priv
*priv
);
80 void (*vtu_load_vlan
)(struct ar8xxx_priv
*priv
, u32 vid
, u32 port_mask
);
82 const struct ar8xxx_mib_desc
*mib_decs
;
86 enum ar8327_led_pattern
{
87 AR8327_LED_PATTERN_OFF
= 0,
88 AR8327_LED_PATTERN_BLINK
,
89 AR8327_LED_PATTERN_ON
,
90 AR8327_LED_PATTERN_RULE
,
93 struct ar8327_led_entry
{
99 struct led_classdev cdev
;
100 struct ar8xxx_priv
*sw_priv
;
105 enum ar8327_led_mode mode
;
109 struct work_struct led_work
;
111 enum ar8327_led_pattern pattern
;
118 struct ar8327_led
**leds
;
119 unsigned int num_leds
;
123 struct switch_dev dev
;
124 struct mii_bus
*mii_bus
;
125 struct phy_device
*phy
;
127 u32 (*read
)(struct ar8xxx_priv
*priv
, int reg
);
128 void (*write
)(struct ar8xxx_priv
*priv
, int reg
, u32 val
);
129 u32 (*rmw
)(struct ar8xxx_priv
*priv
, int reg
, u32 mask
, u32 val
);
131 int (*get_port_link
)(unsigned port
);
133 const struct net_device_ops
*ndo_old
;
134 struct net_device_ops ndo
;
135 struct mutex reg_mutex
;
138 const struct ar8xxx_chip
*chip
;
140 struct ar8327_data ar8327
;
149 struct mutex mib_lock
;
150 struct delayed_work mib_work
;
154 struct list_head list
;
155 unsigned int use_count
;
157 /* all fields below are cleared on reset */
159 u16 vlan_id
[AR8X16_MAX_VLANS
];
160 u8 vlan_table
[AR8X16_MAX_VLANS
];
162 u16 pvid
[AR8X16_MAX_PORTS
];
171 #define MIB_DESC(_s , _o, _n) \
178 static const struct ar8xxx_mib_desc ar8216_mibs
[] = {
179 MIB_DESC(1, AR8216_STATS_RXBROAD
, "RxBroad"),
180 MIB_DESC(1, AR8216_STATS_RXPAUSE
, "RxPause"),
181 MIB_DESC(1, AR8216_STATS_RXMULTI
, "RxMulti"),
182 MIB_DESC(1, AR8216_STATS_RXFCSERR
, "RxFcsErr"),
183 MIB_DESC(1, AR8216_STATS_RXALIGNERR
, "RxAlignErr"),
184 MIB_DESC(1, AR8216_STATS_RXRUNT
, "RxRunt"),
185 MIB_DESC(1, AR8216_STATS_RXFRAGMENT
, "RxFragment"),
186 MIB_DESC(1, AR8216_STATS_RX64BYTE
, "Rx64Byte"),
187 MIB_DESC(1, AR8216_STATS_RX128BYTE
, "Rx128Byte"),
188 MIB_DESC(1, AR8216_STATS_RX256BYTE
, "Rx256Byte"),
189 MIB_DESC(1, AR8216_STATS_RX512BYTE
, "Rx512Byte"),
190 MIB_DESC(1, AR8216_STATS_RX1024BYTE
, "Rx1024Byte"),
191 MIB_DESC(1, AR8216_STATS_RXMAXBYTE
, "RxMaxByte"),
192 MIB_DESC(1, AR8216_STATS_RXTOOLONG
, "RxTooLong"),
193 MIB_DESC(2, AR8216_STATS_RXGOODBYTE
, "RxGoodByte"),
194 MIB_DESC(2, AR8216_STATS_RXBADBYTE
, "RxBadByte"),
195 MIB_DESC(1, AR8216_STATS_RXOVERFLOW
, "RxOverFlow"),
196 MIB_DESC(1, AR8216_STATS_FILTERED
, "Filtered"),
197 MIB_DESC(1, AR8216_STATS_TXBROAD
, "TxBroad"),
198 MIB_DESC(1, AR8216_STATS_TXPAUSE
, "TxPause"),
199 MIB_DESC(1, AR8216_STATS_TXMULTI
, "TxMulti"),
200 MIB_DESC(1, AR8216_STATS_TXUNDERRUN
, "TxUnderRun"),
201 MIB_DESC(1, AR8216_STATS_TX64BYTE
, "Tx64Byte"),
202 MIB_DESC(1, AR8216_STATS_TX128BYTE
, "Tx128Byte"),
203 MIB_DESC(1, AR8216_STATS_TX256BYTE
, "Tx256Byte"),
204 MIB_DESC(1, AR8216_STATS_TX512BYTE
, "Tx512Byte"),
205 MIB_DESC(1, AR8216_STATS_TX1024BYTE
, "Tx1024Byte"),
206 MIB_DESC(1, AR8216_STATS_TXMAXBYTE
, "TxMaxByte"),
207 MIB_DESC(1, AR8216_STATS_TXOVERSIZE
, "TxOverSize"),
208 MIB_DESC(2, AR8216_STATS_TXBYTE
, "TxByte"),
209 MIB_DESC(1, AR8216_STATS_TXCOLLISION
, "TxCollision"),
210 MIB_DESC(1, AR8216_STATS_TXABORTCOL
, "TxAbortCol"),
211 MIB_DESC(1, AR8216_STATS_TXMULTICOL
, "TxMultiCol"),
212 MIB_DESC(1, AR8216_STATS_TXSINGLECOL
, "TxSingleCol"),
213 MIB_DESC(1, AR8216_STATS_TXEXCDEFER
, "TxExcDefer"),
214 MIB_DESC(1, AR8216_STATS_TXDEFER
, "TxDefer"),
215 MIB_DESC(1, AR8216_STATS_TXLATECOL
, "TxLateCol"),
218 static const struct ar8xxx_mib_desc ar8236_mibs
[] = {
219 MIB_DESC(1, AR8236_STATS_RXBROAD
, "RxBroad"),
220 MIB_DESC(1, AR8236_STATS_RXPAUSE
, "RxPause"),
221 MIB_DESC(1, AR8236_STATS_RXMULTI
, "RxMulti"),
222 MIB_DESC(1, AR8236_STATS_RXFCSERR
, "RxFcsErr"),
223 MIB_DESC(1, AR8236_STATS_RXALIGNERR
, "RxAlignErr"),
224 MIB_DESC(1, AR8236_STATS_RXRUNT
, "RxRunt"),
225 MIB_DESC(1, AR8236_STATS_RXFRAGMENT
, "RxFragment"),
226 MIB_DESC(1, AR8236_STATS_RX64BYTE
, "Rx64Byte"),
227 MIB_DESC(1, AR8236_STATS_RX128BYTE
, "Rx128Byte"),
228 MIB_DESC(1, AR8236_STATS_RX256BYTE
, "Rx256Byte"),
229 MIB_DESC(1, AR8236_STATS_RX512BYTE
, "Rx512Byte"),
230 MIB_DESC(1, AR8236_STATS_RX1024BYTE
, "Rx1024Byte"),
231 MIB_DESC(1, AR8236_STATS_RX1518BYTE
, "Rx1518Byte"),
232 MIB_DESC(1, AR8236_STATS_RXMAXBYTE
, "RxMaxByte"),
233 MIB_DESC(1, AR8236_STATS_RXTOOLONG
, "RxTooLong"),
234 MIB_DESC(2, AR8236_STATS_RXGOODBYTE
, "RxGoodByte"),
235 MIB_DESC(2, AR8236_STATS_RXBADBYTE
, "RxBadByte"),
236 MIB_DESC(1, AR8236_STATS_RXOVERFLOW
, "RxOverFlow"),
237 MIB_DESC(1, AR8236_STATS_FILTERED
, "Filtered"),
238 MIB_DESC(1, AR8236_STATS_TXBROAD
, "TxBroad"),
239 MIB_DESC(1, AR8236_STATS_TXPAUSE
, "TxPause"),
240 MIB_DESC(1, AR8236_STATS_TXMULTI
, "TxMulti"),
241 MIB_DESC(1, AR8236_STATS_TXUNDERRUN
, "TxUnderRun"),
242 MIB_DESC(1, AR8236_STATS_TX64BYTE
, "Tx64Byte"),
243 MIB_DESC(1, AR8236_STATS_TX128BYTE
, "Tx128Byte"),
244 MIB_DESC(1, AR8236_STATS_TX256BYTE
, "Tx256Byte"),
245 MIB_DESC(1, AR8236_STATS_TX512BYTE
, "Tx512Byte"),
246 MIB_DESC(1, AR8236_STATS_TX1024BYTE
, "Tx1024Byte"),
247 MIB_DESC(1, AR8236_STATS_TX1518BYTE
, "Tx1518Byte"),
248 MIB_DESC(1, AR8236_STATS_TXMAXBYTE
, "TxMaxByte"),
249 MIB_DESC(1, AR8236_STATS_TXOVERSIZE
, "TxOverSize"),
250 MIB_DESC(2, AR8236_STATS_TXBYTE
, "TxByte"),
251 MIB_DESC(1, AR8236_STATS_TXCOLLISION
, "TxCollision"),
252 MIB_DESC(1, AR8236_STATS_TXABORTCOL
, "TxAbortCol"),
253 MIB_DESC(1, AR8236_STATS_TXMULTICOL
, "TxMultiCol"),
254 MIB_DESC(1, AR8236_STATS_TXSINGLECOL
, "TxSingleCol"),
255 MIB_DESC(1, AR8236_STATS_TXEXCDEFER
, "TxExcDefer"),
256 MIB_DESC(1, AR8236_STATS_TXDEFER
, "TxDefer"),
257 MIB_DESC(1, AR8236_STATS_TXLATECOL
, "TxLateCol"),
260 static DEFINE_MUTEX(ar8xxx_dev_list_lock
);
261 static LIST_HEAD(ar8xxx_dev_list
);
263 static inline struct ar8xxx_priv
*
264 swdev_to_ar8xxx(struct switch_dev
*swdev
)
266 return container_of(swdev
, struct ar8xxx_priv
, dev
);
269 static inline bool ar8xxx_has_gige(struct ar8xxx_priv
*priv
)
271 return priv
->chip
->caps
& AR8XXX_CAP_GIGE
;
274 static inline bool ar8xxx_has_mib_counters(struct ar8xxx_priv
*priv
)
276 return priv
->chip
->caps
& AR8XXX_CAP_MIB_COUNTERS
;
279 static inline bool chip_is_ar8216(struct ar8xxx_priv
*priv
)
281 return priv
->chip_ver
== AR8XXX_VER_AR8216
;
284 static inline bool chip_is_ar8236(struct ar8xxx_priv
*priv
)
286 return priv
->chip_ver
== AR8XXX_VER_AR8236
;
289 static inline bool chip_is_ar8316(struct ar8xxx_priv
*priv
)
291 return priv
->chip_ver
== AR8XXX_VER_AR8316
;
294 static inline bool chip_is_ar8327(struct ar8xxx_priv
*priv
)
296 return priv
->chip_ver
== AR8XXX_VER_AR8327
;
299 static inline bool chip_is_ar8337(struct ar8xxx_priv
*priv
)
301 return priv
->chip_ver
== AR8XXX_VER_AR8337
;
305 split_addr(u32 regaddr
, u16
*r1
, u16
*r2
, u16
*page
)
308 *r1
= regaddr
& 0x1e;
314 *page
= regaddr
& 0x1ff;
318 ar8xxx_mii_read(struct ar8xxx_priv
*priv
, int reg
)
320 struct mii_bus
*bus
= priv
->mii_bus
;
324 split_addr((u32
) reg
, &r1
, &r2
, &page
);
326 mutex_lock(&bus
->mdio_lock
);
328 bus
->write(bus
, 0x18, 0, page
);
329 usleep_range(1000, 2000); /* wait for the page switch to propagate */
330 lo
= bus
->read(bus
, 0x10 | r2
, r1
);
331 hi
= bus
->read(bus
, 0x10 | r2
, r1
+ 1);
333 mutex_unlock(&bus
->mdio_lock
);
335 return (hi
<< 16) | lo
;
339 ar8xxx_mii_write(struct ar8xxx_priv
*priv
, int reg
, u32 val
)
341 struct mii_bus
*bus
= priv
->mii_bus
;
345 split_addr((u32
) reg
, &r1
, &r2
, &r3
);
347 hi
= (u16
) (val
>> 16);
349 mutex_lock(&bus
->mdio_lock
);
351 bus
->write(bus
, 0x18, 0, r3
);
352 usleep_range(1000, 2000); /* wait for the page switch to propagate */
353 if (priv
->mii_lo_first
) {
354 bus
->write(bus
, 0x10 | r2
, r1
, lo
);
355 bus
->write(bus
, 0x10 | r2
, r1
+ 1, hi
);
357 bus
->write(bus
, 0x10 | r2
, r1
+ 1, hi
);
358 bus
->write(bus
, 0x10 | r2
, r1
, lo
);
361 mutex_unlock(&bus
->mdio_lock
);
365 ar8xxx_mii_rmw(struct ar8xxx_priv
*priv
, int reg
, u32 mask
, u32 val
)
367 struct mii_bus
*bus
= priv
->mii_bus
;
372 split_addr((u32
) reg
, &r1
, &r2
, &page
);
374 mutex_lock(&bus
->mdio_lock
);
376 bus
->write(bus
, 0x18, 0, page
);
377 usleep_range(1000, 2000); /* wait for the page switch to propagate */
379 lo
= bus
->read(bus
, 0x10 | r2
, r1
);
380 hi
= bus
->read(bus
, 0x10 | r2
, r1
+ 1);
387 hi
= (u16
) (ret
>> 16);
389 if (priv
->mii_lo_first
) {
390 bus
->write(bus
, 0x10 | r2
, r1
, lo
);
391 bus
->write(bus
, 0x10 | r2
, r1
+ 1, hi
);
393 bus
->write(bus
, 0x10 | r2
, r1
+ 1, hi
);
394 bus
->write(bus
, 0x10 | r2
, r1
, lo
);
397 mutex_unlock(&bus
->mdio_lock
);
404 ar8xxx_phy_dbg_write(struct ar8xxx_priv
*priv
, int phy_addr
,
405 u16 dbg_addr
, u16 dbg_data
)
407 struct mii_bus
*bus
= priv
->mii_bus
;
409 mutex_lock(&bus
->mdio_lock
);
410 bus
->write(bus
, phy_addr
, MII_ATH_DBG_ADDR
, dbg_addr
);
411 bus
->write(bus
, phy_addr
, MII_ATH_DBG_DATA
, dbg_data
);
412 mutex_unlock(&bus
->mdio_lock
);
416 ar8xxx_phy_mmd_write(struct ar8xxx_priv
*priv
, int phy_addr
, u16 addr
, u16 data
)
418 struct mii_bus
*bus
= priv
->mii_bus
;
420 mutex_lock(&bus
->mdio_lock
);
421 bus
->write(bus
, phy_addr
, MII_ATH_MMD_ADDR
, addr
);
422 bus
->write(bus
, phy_addr
, MII_ATH_MMD_DATA
, data
);
423 mutex_unlock(&bus
->mdio_lock
);
427 ar8xxx_rmw(struct ar8xxx_priv
*priv
, int reg
, u32 mask
, u32 val
)
429 return priv
->rmw(priv
, reg
, mask
, val
);
433 ar8xxx_reg_set(struct ar8xxx_priv
*priv
, int reg
, u32 val
)
435 priv
->rmw(priv
, reg
, 0, val
);
439 ar8xxx_reg_wait(struct ar8xxx_priv
*priv
, u32 reg
, u32 mask
, u32 val
,
444 for (i
= 0; i
< timeout
; i
++) {
447 t
= priv
->read(priv
, reg
);
448 if ((t
& mask
) == val
)
451 usleep_range(1000, 2000);
458 ar8xxx_mib_op(struct ar8xxx_priv
*priv
, u32 op
)
463 lockdep_assert_held(&priv
->mib_lock
);
465 if (chip_is_ar8327(priv
) || chip_is_ar8337(priv
))
466 mib_func
= AR8327_REG_MIB_FUNC
;
468 mib_func
= AR8216_REG_MIB_FUNC
;
470 /* Capture the hardware statistics for all ports */
471 ar8xxx_rmw(priv
, mib_func
, AR8216_MIB_FUNC
, (op
<< AR8216_MIB_FUNC_S
));
473 /* Wait for the capturing to complete. */
474 ret
= ar8xxx_reg_wait(priv
, mib_func
, AR8216_MIB_BUSY
, 0, 10);
485 ar8xxx_mib_capture(struct ar8xxx_priv
*priv
)
487 return ar8xxx_mib_op(priv
, AR8216_MIB_FUNC_CAPTURE
);
491 ar8xxx_mib_flush(struct ar8xxx_priv
*priv
)
493 return ar8xxx_mib_op(priv
, AR8216_MIB_FUNC_FLUSH
);
497 ar8xxx_mib_fetch_port_stat(struct ar8xxx_priv
*priv
, int port
, bool flush
)
503 WARN_ON(port
>= priv
->dev
.ports
);
505 lockdep_assert_held(&priv
->mib_lock
);
507 if (chip_is_ar8327(priv
) || chip_is_ar8337(priv
))
508 base
= AR8327_REG_PORT_STATS_BASE(port
);
509 else if (chip_is_ar8236(priv
) ||
510 chip_is_ar8316(priv
))
511 base
= AR8236_REG_PORT_STATS_BASE(port
);
513 base
= AR8216_REG_PORT_STATS_BASE(port
);
515 mib_stats
= &priv
->mib_stats
[port
* priv
->chip
->num_mibs
];
516 for (i
= 0; i
< priv
->chip
->num_mibs
; i
++) {
517 const struct ar8xxx_mib_desc
*mib
;
520 mib
= &priv
->chip
->mib_decs
[i
];
521 t
= priv
->read(priv
, base
+ mib
->offset
);
522 if (mib
->size
== 2) {
525 hi
= priv
->read(priv
, base
+ mib
->offset
+ 4);
537 ar8216_read_port_link(struct ar8xxx_priv
*priv
, int port
,
538 struct switch_port_link
*link
)
543 memset(link
, '\0', sizeof(*link
));
545 status
= priv
->chip
->read_port_status(priv
, port
);
547 link
->aneg
= !!(status
& AR8216_PORT_STATUS_LINK_AUTO
);
549 link
->link
= !!(status
& AR8216_PORT_STATUS_LINK_UP
);
553 if (priv
->get_port_link
) {
556 err
= priv
->get_port_link(port
);
565 link
->duplex
= !!(status
& AR8216_PORT_STATUS_DUPLEX
);
566 link
->tx_flow
= !!(status
& AR8216_PORT_STATUS_TXFLOW
);
567 link
->rx_flow
= !!(status
& AR8216_PORT_STATUS_RXFLOW
);
569 speed
= (status
& AR8216_PORT_STATUS_SPEED
) >>
570 AR8216_PORT_STATUS_SPEED_S
;
573 case AR8216_PORT_SPEED_10M
:
574 link
->speed
= SWITCH_PORT_SPEED_10
;
576 case AR8216_PORT_SPEED_100M
:
577 link
->speed
= SWITCH_PORT_SPEED_100
;
579 case AR8216_PORT_SPEED_1000M
:
580 link
->speed
= SWITCH_PORT_SPEED_1000
;
583 link
->speed
= SWITCH_PORT_SPEED_UNKNOWN
;
588 static struct sk_buff
*
589 ar8216_mangle_tx(struct net_device
*dev
, struct sk_buff
*skb
)
591 struct ar8xxx_priv
*priv
= dev
->phy_ptr
;
600 if (unlikely(skb_headroom(skb
) < 2)) {
601 if (pskb_expand_head(skb
, 2, 0, GFP_ATOMIC
) < 0)
605 buf
= skb_push(skb
, 2);
613 dev_kfree_skb_any(skb
);
618 ar8216_mangle_rx(struct net_device
*dev
, struct sk_buff
*skb
)
620 struct ar8xxx_priv
*priv
;
628 /* don't strip the header if vlan mode is disabled */
632 /* strip header, get vlan id */
636 /* check for vlan header presence */
637 if ((buf
[12 + 2] != 0x81) || (buf
[13 + 2] != 0x00))
642 /* no need to fix up packets coming from a tagged source */
643 if (priv
->vlan_tagged
& (1 << port
))
646 /* lookup port vid from local table, the switch passes an invalid vlan id */
647 vlan
= priv
->vlan_id
[priv
->pvid
[port
]];
650 buf
[14 + 2] |= vlan
>> 8;
651 buf
[15 + 2] = vlan
& 0xff;
655 ar8216_wait_bit(struct ar8xxx_priv
*priv
, int reg
, u32 mask
, u32 val
)
661 t
= priv
->read(priv
, reg
);
662 if ((t
& mask
) == val
)
671 pr_err("ar8216: timeout on reg %08x: %08x & %08x != %08x\n",
672 (unsigned int) reg
, t
, mask
, val
);
677 ar8216_vtu_op(struct ar8xxx_priv
*priv
, u32 op
, u32 val
)
679 if (ar8216_wait_bit(priv
, AR8216_REG_VTU
, AR8216_VTU_ACTIVE
, 0))
681 if ((op
& AR8216_VTU_OP
) == AR8216_VTU_OP_LOAD
) {
682 val
&= AR8216_VTUDATA_MEMBER
;
683 val
|= AR8216_VTUDATA_VALID
;
684 priv
->write(priv
, AR8216_REG_VTU_DATA
, val
);
686 op
|= AR8216_VTU_ACTIVE
;
687 priv
->write(priv
, AR8216_REG_VTU
, op
);
691 ar8216_vtu_flush(struct ar8xxx_priv
*priv
)
693 ar8216_vtu_op(priv
, AR8216_VTU_OP_FLUSH
, 0);
697 ar8216_vtu_load_vlan(struct ar8xxx_priv
*priv
, u32 vid
, u32 port_mask
)
701 op
= AR8216_VTU_OP_LOAD
| (vid
<< AR8216_VTU_VID_S
);
702 ar8216_vtu_op(priv
, op
, port_mask
);
706 ar8216_atu_flush(struct ar8xxx_priv
*priv
)
710 ret
= ar8216_wait_bit(priv
, AR8216_REG_ATU
, AR8216_ATU_ACTIVE
, 0);
712 priv
->write(priv
, AR8216_REG_ATU
, AR8216_ATU_OP_FLUSH
);
718 ar8216_read_port_status(struct ar8xxx_priv
*priv
, int port
)
720 return priv
->read(priv
, AR8216_REG_PORT_STATUS(port
));
724 ar8216_setup_port(struct ar8xxx_priv
*priv
, int port
, u32 members
)
731 pvid
= priv
->vlan_id
[priv
->pvid
[port
]];
732 if (priv
->vlan_tagged
& (1 << port
))
733 egress
= AR8216_OUT_ADD_VLAN
;
735 egress
= AR8216_OUT_STRIP_VLAN
;
736 ingress
= AR8216_IN_SECURE
;
739 egress
= AR8216_OUT_KEEP
;
740 ingress
= AR8216_IN_PORT_ONLY
;
743 if (chip_is_ar8216(priv
) && priv
->vlan
&& port
== AR8216_PORT_CPU
)
744 header
= AR8216_PORT_CTRL_HEADER
;
748 ar8xxx_rmw(priv
, AR8216_REG_PORT_CTRL(port
),
749 AR8216_PORT_CTRL_LEARN
| AR8216_PORT_CTRL_VLAN_MODE
|
750 AR8216_PORT_CTRL_SINGLE_VLAN
| AR8216_PORT_CTRL_STATE
|
751 AR8216_PORT_CTRL_HEADER
| AR8216_PORT_CTRL_LEARN_LOCK
,
752 AR8216_PORT_CTRL_LEARN
| header
|
753 (egress
<< AR8216_PORT_CTRL_VLAN_MODE_S
) |
754 (AR8216_PORT_STATE_FORWARD
<< AR8216_PORT_CTRL_STATE_S
));
756 ar8xxx_rmw(priv
, AR8216_REG_PORT_VLAN(port
),
757 AR8216_PORT_VLAN_DEST_PORTS
| AR8216_PORT_VLAN_MODE
|
758 AR8216_PORT_VLAN_DEFAULT_ID
,
759 (members
<< AR8216_PORT_VLAN_DEST_PORTS_S
) |
760 (ingress
<< AR8216_PORT_VLAN_MODE_S
) |
761 (pvid
<< AR8216_PORT_VLAN_DEFAULT_ID_S
));
765 ar8216_hw_init(struct ar8xxx_priv
*priv
)
771 ar8216_init_globals(struct ar8xxx_priv
*priv
)
773 /* standard atheros magic */
774 priv
->write(priv
, 0x38, 0xc000050e);
776 ar8xxx_rmw(priv
, AR8216_REG_GLOBAL_CTRL
,
777 AR8216_GCTRL_MTU
, 1518 + 8 + 2);
781 ar8216_init_port(struct ar8xxx_priv
*priv
, int port
)
783 /* Enable port learning and tx */
784 priv
->write(priv
, AR8216_REG_PORT_CTRL(port
),
785 AR8216_PORT_CTRL_LEARN
|
786 (4 << AR8216_PORT_CTRL_STATE_S
));
788 priv
->write(priv
, AR8216_REG_PORT_VLAN(port
), 0);
790 if (port
== AR8216_PORT_CPU
) {
791 priv
->write(priv
, AR8216_REG_PORT_STATUS(port
),
792 AR8216_PORT_STATUS_LINK_UP
|
793 (ar8xxx_has_gige(priv
) ?
794 AR8216_PORT_SPEED_1000M
: AR8216_PORT_SPEED_100M
) |
795 AR8216_PORT_STATUS_TXMAC
|
796 AR8216_PORT_STATUS_RXMAC
|
797 (chip_is_ar8316(priv
) ? AR8216_PORT_STATUS_RXFLOW
: 0) |
798 (chip_is_ar8316(priv
) ? AR8216_PORT_STATUS_TXFLOW
: 0) |
799 AR8216_PORT_STATUS_DUPLEX
);
801 priv
->write(priv
, AR8216_REG_PORT_STATUS(port
),
802 AR8216_PORT_STATUS_LINK_AUTO
);
806 static const struct ar8xxx_chip ar8216_chip
= {
807 .caps
= AR8XXX_CAP_MIB_COUNTERS
,
809 .hw_init
= ar8216_hw_init
,
810 .init_globals
= ar8216_init_globals
,
811 .init_port
= ar8216_init_port
,
812 .setup_port
= ar8216_setup_port
,
813 .read_port_status
= ar8216_read_port_status
,
814 .atu_flush
= ar8216_atu_flush
,
815 .vtu_flush
= ar8216_vtu_flush
,
816 .vtu_load_vlan
= ar8216_vtu_load_vlan
,
818 .num_mibs
= ARRAY_SIZE(ar8216_mibs
),
819 .mib_decs
= ar8216_mibs
,
823 ar8236_setup_port(struct ar8xxx_priv
*priv
, int port
, u32 members
)
829 pvid
= priv
->vlan_id
[priv
->pvid
[port
]];
830 if (priv
->vlan_tagged
& (1 << port
))
831 egress
= AR8216_OUT_ADD_VLAN
;
833 egress
= AR8216_OUT_STRIP_VLAN
;
834 ingress
= AR8216_IN_SECURE
;
837 egress
= AR8216_OUT_KEEP
;
838 ingress
= AR8216_IN_PORT_ONLY
;
841 ar8xxx_rmw(priv
, AR8216_REG_PORT_CTRL(port
),
842 AR8216_PORT_CTRL_LEARN
| AR8216_PORT_CTRL_VLAN_MODE
|
843 AR8216_PORT_CTRL_SINGLE_VLAN
| AR8216_PORT_CTRL_STATE
|
844 AR8216_PORT_CTRL_HEADER
| AR8216_PORT_CTRL_LEARN_LOCK
,
845 AR8216_PORT_CTRL_LEARN
|
846 (egress
<< AR8216_PORT_CTRL_VLAN_MODE_S
) |
847 (AR8216_PORT_STATE_FORWARD
<< AR8216_PORT_CTRL_STATE_S
));
849 ar8xxx_rmw(priv
, AR8236_REG_PORT_VLAN(port
),
850 AR8236_PORT_VLAN_DEFAULT_ID
,
851 (pvid
<< AR8236_PORT_VLAN_DEFAULT_ID_S
));
853 ar8xxx_rmw(priv
, AR8236_REG_PORT_VLAN2(port
),
854 AR8236_PORT_VLAN2_VLAN_MODE
|
855 AR8236_PORT_VLAN2_MEMBER
,
856 (ingress
<< AR8236_PORT_VLAN2_VLAN_MODE_S
) |
857 (members
<< AR8236_PORT_VLAN2_MEMBER_S
));
861 ar8236_hw_init(struct ar8xxx_priv
*priv
)
866 if (priv
->initialized
)
869 /* Initialize the PHYs */
871 for (i
= 0; i
< 5; i
++) {
872 mdiobus_write(bus
, i
, MII_ADVERTISE
,
873 ADVERTISE_ALL
| ADVERTISE_PAUSE_CAP
|
874 ADVERTISE_PAUSE_ASYM
);
875 mdiobus_write(bus
, i
, MII_BMCR
, BMCR_RESET
| BMCR_ANENABLE
);
879 priv
->initialized
= true;
884 ar8236_init_globals(struct ar8xxx_priv
*priv
)
886 /* enable jumbo frames */
887 ar8xxx_rmw(priv
, AR8216_REG_GLOBAL_CTRL
,
888 AR8316_GCTRL_MTU
, 9018 + 8 + 2);
890 /* Enable MIB counters */
891 ar8xxx_rmw(priv
, AR8216_REG_MIB_FUNC
, AR8216_MIB_FUNC
| AR8236_MIB_EN
,
892 (AR8216_MIB_FUNC_NO_OP
<< AR8216_MIB_FUNC_S
) |
896 static const struct ar8xxx_chip ar8236_chip
= {
897 .caps
= AR8XXX_CAP_MIB_COUNTERS
,
898 .hw_init
= ar8236_hw_init
,
899 .init_globals
= ar8236_init_globals
,
900 .init_port
= ar8216_init_port
,
901 .setup_port
= ar8236_setup_port
,
902 .read_port_status
= ar8216_read_port_status
,
903 .atu_flush
= ar8216_atu_flush
,
904 .vtu_flush
= ar8216_vtu_flush
,
905 .vtu_load_vlan
= ar8216_vtu_load_vlan
,
907 .num_mibs
= ARRAY_SIZE(ar8236_mibs
),
908 .mib_decs
= ar8236_mibs
,
912 ar8316_hw_init(struct ar8xxx_priv
*priv
)
918 val
= priv
->read(priv
, AR8316_REG_POSTRIP
);
920 if (priv
->phy
->interface
== PHY_INTERFACE_MODE_RGMII
) {
921 if (priv
->port4_phy
) {
922 /* value taken from Ubiquiti RouterStation Pro */
924 pr_info("ar8316: Using port 4 as PHY\n");
927 pr_info("ar8316: Using port 4 as switch port\n");
929 } else if (priv
->phy
->interface
== PHY_INTERFACE_MODE_GMII
) {
930 /* value taken from AVM Fritz!Box 7390 sources */
933 /* no known value for phy interface */
934 pr_err("ar8316: unsupported mii mode: %d.\n",
935 priv
->phy
->interface
);
942 priv
->write(priv
, AR8316_REG_POSTRIP
, newval
);
944 if (priv
->port4_phy
&&
945 priv
->phy
->interface
== PHY_INTERFACE_MODE_RGMII
) {
946 /* work around for phy4 rgmii mode */
947 ar8xxx_phy_dbg_write(priv
, 4, 0x12, 0x480c);
949 ar8xxx_phy_dbg_write(priv
, 4, 0x0, 0x824e);
951 ar8xxx_phy_dbg_write(priv
, 4, 0x5, 0x3d47);
955 /* Initialize the ports */
957 for (i
= 0; i
< 5; i
++) {
958 /* initialize the port itself */
959 mdiobus_write(bus
, i
, MII_ADVERTISE
,
960 ADVERTISE_ALL
| ADVERTISE_PAUSE_CAP
| ADVERTISE_PAUSE_ASYM
);
961 mdiobus_write(bus
, i
, MII_CTRL1000
, ADVERTISE_1000FULL
);
962 mdiobus_write(bus
, i
, MII_BMCR
, BMCR_RESET
| BMCR_ANENABLE
);
968 priv
->initialized
= true;
973 ar8316_init_globals(struct ar8xxx_priv
*priv
)
975 /* standard atheros magic */
976 priv
->write(priv
, 0x38, 0xc000050e);
978 /* enable cpu port to receive multicast and broadcast frames */
979 priv
->write(priv
, AR8216_REG_FLOOD_MASK
, 0x003f003f);
981 /* enable jumbo frames */
982 ar8xxx_rmw(priv
, AR8216_REG_GLOBAL_CTRL
,
983 AR8316_GCTRL_MTU
, 9018 + 8 + 2);
985 /* Enable MIB counters */
986 ar8xxx_rmw(priv
, AR8216_REG_MIB_FUNC
, AR8216_MIB_FUNC
| AR8236_MIB_EN
,
987 (AR8216_MIB_FUNC_NO_OP
<< AR8216_MIB_FUNC_S
) |
991 static const struct ar8xxx_chip ar8316_chip
= {
992 .caps
= AR8XXX_CAP_GIGE
| AR8XXX_CAP_MIB_COUNTERS
,
993 .hw_init
= ar8316_hw_init
,
994 .init_globals
= ar8316_init_globals
,
995 .init_port
= ar8216_init_port
,
996 .setup_port
= ar8216_setup_port
,
997 .read_port_status
= ar8216_read_port_status
,
998 .atu_flush
= ar8216_atu_flush
,
999 .vtu_flush
= ar8216_vtu_flush
,
1000 .vtu_load_vlan
= ar8216_vtu_load_vlan
,
1002 .num_mibs
= ARRAY_SIZE(ar8236_mibs
),
1003 .mib_decs
= ar8236_mibs
,
1007 ar8327_get_pad_cfg(struct ar8327_pad_cfg
*cfg
)
1015 switch (cfg
->mode
) {
1019 case AR8327_PAD_MAC2MAC_MII
:
1020 t
= AR8327_PAD_MAC_MII_EN
;
1022 t
|= AR8327_PAD_MAC_MII_RXCLK_SEL
;
1024 t
|= AR8327_PAD_MAC_MII_TXCLK_SEL
;
1027 case AR8327_PAD_MAC2MAC_GMII
:
1028 t
= AR8327_PAD_MAC_GMII_EN
;
1030 t
|= AR8327_PAD_MAC_GMII_RXCLK_SEL
;
1032 t
|= AR8327_PAD_MAC_GMII_TXCLK_SEL
;
1035 case AR8327_PAD_MAC_SGMII
:
1036 t
= AR8327_PAD_SGMII_EN
;
1039 * WAR for the QUalcomm Atheros AP136 board.
1040 * It seems that RGMII TX/RX delay settings needs to be
1041 * applied for SGMII mode as well, The ethernet is not
1042 * reliable without this.
1044 t
|= cfg
->txclk_delay_sel
<< AR8327_PAD_RGMII_TXCLK_DELAY_SEL_S
;
1045 t
|= cfg
->rxclk_delay_sel
<< AR8327_PAD_RGMII_RXCLK_DELAY_SEL_S
;
1046 if (cfg
->rxclk_delay_en
)
1047 t
|= AR8327_PAD_RGMII_RXCLK_DELAY_EN
;
1048 if (cfg
->txclk_delay_en
)
1049 t
|= AR8327_PAD_RGMII_TXCLK_DELAY_EN
;
1051 if (cfg
->sgmii_delay_en
)
1052 t
|= AR8327_PAD_SGMII_DELAY_EN
;
1056 case AR8327_PAD_MAC2PHY_MII
:
1057 t
= AR8327_PAD_PHY_MII_EN
;
1059 t
|= AR8327_PAD_PHY_MII_RXCLK_SEL
;
1061 t
|= AR8327_PAD_PHY_MII_TXCLK_SEL
;
1064 case AR8327_PAD_MAC2PHY_GMII
:
1065 t
= AR8327_PAD_PHY_GMII_EN
;
1066 if (cfg
->pipe_rxclk_sel
)
1067 t
|= AR8327_PAD_PHY_GMII_PIPE_RXCLK_SEL
;
1069 t
|= AR8327_PAD_PHY_GMII_RXCLK_SEL
;
1071 t
|= AR8327_PAD_PHY_GMII_TXCLK_SEL
;
1074 case AR8327_PAD_MAC_RGMII
:
1075 t
= AR8327_PAD_RGMII_EN
;
1076 t
|= cfg
->txclk_delay_sel
<< AR8327_PAD_RGMII_TXCLK_DELAY_SEL_S
;
1077 t
|= cfg
->rxclk_delay_sel
<< AR8327_PAD_RGMII_RXCLK_DELAY_SEL_S
;
1078 if (cfg
->rxclk_delay_en
)
1079 t
|= AR8327_PAD_RGMII_RXCLK_DELAY_EN
;
1080 if (cfg
->txclk_delay_en
)
1081 t
|= AR8327_PAD_RGMII_TXCLK_DELAY_EN
;
1084 case AR8327_PAD_PHY_GMII
:
1085 t
= AR8327_PAD_PHYX_GMII_EN
;
1088 case AR8327_PAD_PHY_RGMII
:
1089 t
= AR8327_PAD_PHYX_RGMII_EN
;
1092 case AR8327_PAD_PHY_MII
:
1093 t
= AR8327_PAD_PHYX_MII_EN
;
1101 ar8327_phy_fixup(struct ar8xxx_priv
*priv
, int phy
)
1103 switch (priv
->chip_rev
) {
1105 /* For 100M waveform */
1106 ar8xxx_phy_dbg_write(priv
, phy
, 0, 0x02ea);
1107 /* Turn on Gigabit clock */
1108 ar8xxx_phy_dbg_write(priv
, phy
, 0x3d, 0x68a0);
1112 ar8xxx_phy_mmd_write(priv
, phy
, 0x7, 0x3c);
1113 ar8xxx_phy_mmd_write(priv
, phy
, 0x4007, 0x0);
1116 ar8xxx_phy_mmd_write(priv
, phy
, 0x3, 0x800d);
1117 ar8xxx_phy_mmd_write(priv
, phy
, 0x4003, 0x803f);
1119 ar8xxx_phy_dbg_write(priv
, phy
, 0x3d, 0x6860);
1120 ar8xxx_phy_dbg_write(priv
, phy
, 0x5, 0x2c46);
1121 ar8xxx_phy_dbg_write(priv
, phy
, 0x3c, 0x6000);
1127 ar8327_get_port_init_status(struct ar8327_port_cfg
*cfg
)
1131 if (!cfg
->force_link
)
1132 return AR8216_PORT_STATUS_LINK_AUTO
;
1134 t
= AR8216_PORT_STATUS_TXMAC
| AR8216_PORT_STATUS_RXMAC
;
1135 t
|= cfg
->duplex
? AR8216_PORT_STATUS_DUPLEX
: 0;
1136 t
|= cfg
->rxpause
? AR8216_PORT_STATUS_RXFLOW
: 0;
1137 t
|= cfg
->txpause
? AR8216_PORT_STATUS_TXFLOW
: 0;
1139 switch (cfg
->speed
) {
1140 case AR8327_PORT_SPEED_10
:
1141 t
|= AR8216_PORT_SPEED_10M
;
1143 case AR8327_PORT_SPEED_100
:
1144 t
|= AR8216_PORT_SPEED_100M
;
1146 case AR8327_PORT_SPEED_1000
:
1147 t
|= AR8216_PORT_SPEED_1000M
;
1154 #define AR8327_LED_ENTRY(_num, _reg, _shift) \
1155 [_num] = { .reg = (_reg), .shift = (_shift) }
1157 static const struct ar8327_led_entry
1158 ar8327_led_map
[AR8327_NUM_LEDS
] = {
1159 AR8327_LED_ENTRY(AR8327_LED_PHY0_0
, 0, 14),
1160 AR8327_LED_ENTRY(AR8327_LED_PHY0_1
, 1, 14),
1161 AR8327_LED_ENTRY(AR8327_LED_PHY0_2
, 2, 14),
1163 AR8327_LED_ENTRY(AR8327_LED_PHY1_0
, 3, 8),
1164 AR8327_LED_ENTRY(AR8327_LED_PHY1_1
, 3, 10),
1165 AR8327_LED_ENTRY(AR8327_LED_PHY1_2
, 3, 12),
1167 AR8327_LED_ENTRY(AR8327_LED_PHY2_0
, 3, 14),
1168 AR8327_LED_ENTRY(AR8327_LED_PHY2_1
, 3, 16),
1169 AR8327_LED_ENTRY(AR8327_LED_PHY2_2
, 3, 18),
1171 AR8327_LED_ENTRY(AR8327_LED_PHY3_0
, 3, 20),
1172 AR8327_LED_ENTRY(AR8327_LED_PHY3_1
, 3, 22),
1173 AR8327_LED_ENTRY(AR8327_LED_PHY3_2
, 3, 24),
1175 AR8327_LED_ENTRY(AR8327_LED_PHY4_0
, 0, 30),
1176 AR8327_LED_ENTRY(AR8327_LED_PHY4_1
, 1, 30),
1177 AR8327_LED_ENTRY(AR8327_LED_PHY4_2
, 2, 30),
1181 ar8327_set_led_pattern(struct ar8xxx_priv
*priv
, unsigned int led_num
,
1182 enum ar8327_led_pattern pattern
)
1184 const struct ar8327_led_entry
*entry
;
1186 entry
= &ar8327_led_map
[led_num
];
1187 ar8xxx_rmw(priv
, AR8327_REG_LED_CTRL(entry
->reg
),
1188 (3 << entry
->shift
), pattern
<< entry
->shift
);
1192 ar8327_led_work_func(struct work_struct
*work
)
1194 struct ar8327_led
*aled
;
1197 aled
= container_of(work
, struct ar8327_led
, led_work
);
1199 spin_lock(&aled
->lock
);
1200 pattern
= aled
->pattern
;
1201 spin_unlock(&aled
->lock
);
1203 ar8327_set_led_pattern(aled
->sw_priv
, aled
->led_num
,
1208 ar8327_led_schedule_change(struct ar8327_led
*aled
, u8 pattern
)
1210 if (aled
->pattern
== pattern
)
1213 aled
->pattern
= pattern
;
1214 schedule_work(&aled
->led_work
);
1217 static inline struct ar8327_led
*
1218 led_cdev_to_ar8327_led(struct led_classdev
*led_cdev
)
1220 return container_of(led_cdev
, struct ar8327_led
, cdev
);
1224 ar8327_led_blink_set(struct led_classdev
*led_cdev
,
1225 unsigned long *delay_on
,
1226 unsigned long *delay_off
)
1228 struct ar8327_led
*aled
= led_cdev_to_ar8327_led(led_cdev
);
1230 if (*delay_on
== 0 && *delay_off
== 0) {
1235 if (*delay_on
!= 125 || *delay_off
!= 125) {
1237 * The hardware only supports blinking at 4Hz. Fall back
1238 * to software implementation in other cases.
1243 spin_lock(&aled
->lock
);
1245 aled
->enable_hw_mode
= false;
1246 ar8327_led_schedule_change(aled
, AR8327_LED_PATTERN_BLINK
);
1248 spin_unlock(&aled
->lock
);
1254 ar8327_led_set_brightness(struct led_classdev
*led_cdev
,
1255 enum led_brightness brightness
)
1257 struct ar8327_led
*aled
= led_cdev_to_ar8327_led(led_cdev
);
1261 active
= (brightness
!= LED_OFF
);
1262 active
^= aled
->active_low
;
1264 pattern
= (active
) ? AR8327_LED_PATTERN_ON
:
1265 AR8327_LED_PATTERN_OFF
;
1267 spin_lock(&aled
->lock
);
1269 aled
->enable_hw_mode
= false;
1270 ar8327_led_schedule_change(aled
, pattern
);
1272 spin_unlock(&aled
->lock
);
1276 ar8327_led_enable_hw_mode_show(struct device
*dev
,
1277 struct device_attribute
*attr
,
1280 struct led_classdev
*led_cdev
= dev_get_drvdata(dev
);
1281 struct ar8327_led
*aled
= led_cdev_to_ar8327_led(led_cdev
);
1284 spin_lock(&aled
->lock
);
1285 ret
+= sprintf(buf
, "%d\n", aled
->enable_hw_mode
);
1286 spin_unlock(&aled
->lock
);
1292 ar8327_led_enable_hw_mode_store(struct device
*dev
,
1293 struct device_attribute
*attr
,
1297 struct led_classdev
*led_cdev
= dev_get_drvdata(dev
);
1298 struct ar8327_led
*aled
= led_cdev_to_ar8327_led(led_cdev
);
1303 ret
= kstrtou8(buf
, 10, &value
);
1307 spin_lock(&aled
->lock
);
1309 aled
->enable_hw_mode
= !!value
;
1310 if (aled
->enable_hw_mode
)
1311 pattern
= AR8327_LED_PATTERN_RULE
;
1313 pattern
= AR8327_LED_PATTERN_OFF
;
1315 ar8327_led_schedule_change(aled
, pattern
);
1317 spin_unlock(&aled
->lock
);
1322 static DEVICE_ATTR(enable_hw_mode
, S_IRUGO
| S_IWUSR
,
1323 ar8327_led_enable_hw_mode_show
,
1324 ar8327_led_enable_hw_mode_store
);
1327 ar8327_led_register(struct ar8xxx_priv
*priv
, struct ar8327_led
*aled
)
1331 ret
= led_classdev_register(NULL
, &aled
->cdev
);
1335 if (aled
->mode
== AR8327_LED_MODE_HW
) {
1336 ret
= device_create_file(aled
->cdev
.dev
,
1337 &dev_attr_enable_hw_mode
);
1339 goto err_unregister
;
1345 led_classdev_unregister(&aled
->cdev
);
1350 ar8327_led_unregister(struct ar8327_led
*aled
)
1352 if (aled
->mode
== AR8327_LED_MODE_HW
)
1353 device_remove_file(aled
->cdev
.dev
, &dev_attr_enable_hw_mode
);
1355 led_classdev_unregister(&aled
->cdev
);
1356 cancel_work_sync(&aled
->led_work
);
1360 ar8327_led_create(struct ar8xxx_priv
*priv
,
1361 const struct ar8327_led_info
*led_info
)
1363 struct ar8327_data
*data
= &priv
->chip_data
.ar8327
;
1364 struct ar8327_led
*aled
;
1367 if (!IS_ENABLED(CONFIG_AR8216_PHY_LEDS
))
1370 if (!led_info
->name
)
1373 if (led_info
->led_num
>= AR8327_NUM_LEDS
)
1376 aled
= kzalloc(sizeof(*aled
) + strlen(led_info
->name
) + 1,
1381 aled
->sw_priv
= priv
;
1382 aled
->led_num
= led_info
->led_num
;
1383 aled
->active_low
= led_info
->active_low
;
1384 aled
->mode
= led_info
->mode
;
1386 if (aled
->mode
== AR8327_LED_MODE_HW
)
1387 aled
->enable_hw_mode
= true;
1389 aled
->name
= (char *)(aled
+ 1);
1390 strcpy(aled
->name
, led_info
->name
);
1392 aled
->cdev
.name
= aled
->name
;
1393 aled
->cdev
.brightness_set
= ar8327_led_set_brightness
;
1394 aled
->cdev
.blink_set
= ar8327_led_blink_set
;
1395 aled
->cdev
.default_trigger
= led_info
->default_trigger
;
1397 spin_lock_init(&aled
->lock
);
1398 mutex_init(&aled
->mutex
);
1399 INIT_WORK(&aled
->led_work
, ar8327_led_work_func
);
1401 ret
= ar8327_led_register(priv
, aled
);
1405 data
->leds
[data
->num_leds
++] = aled
;
1415 ar8327_led_destroy(struct ar8327_led
*aled
)
1417 ar8327_led_unregister(aled
);
1422 ar8327_leds_init(struct ar8xxx_priv
*priv
)
1424 struct ar8327_data
*data
;
1427 if (!IS_ENABLED(CONFIG_AR8216_PHY_LEDS
))
1430 data
= &priv
->chip_data
.ar8327
;
1432 for (i
= 0; i
< data
->num_leds
; i
++) {
1433 struct ar8327_led
*aled
;
1435 aled
= data
->leds
[i
];
1437 if (aled
->enable_hw_mode
)
1438 aled
->pattern
= AR8327_LED_PATTERN_RULE
;
1440 aled
->pattern
= AR8327_LED_PATTERN_OFF
;
1442 ar8327_set_led_pattern(priv
, aled
->led_num
, aled
->pattern
);
1447 ar8327_leds_cleanup(struct ar8xxx_priv
*priv
)
1449 struct ar8327_data
*data
= &priv
->chip_data
.ar8327
;
1452 if (!IS_ENABLED(CONFIG_AR8216_PHY_LEDS
))
1455 for (i
= 0; i
< data
->num_leds
; i
++) {
1456 struct ar8327_led
*aled
;
1458 aled
= data
->leds
[i
];
1459 ar8327_led_destroy(aled
);
1466 ar8327_hw_config_pdata(struct ar8xxx_priv
*priv
,
1467 struct ar8327_platform_data
*pdata
)
1469 struct ar8327_led_cfg
*led_cfg
;
1470 struct ar8327_data
*data
;
1477 priv
->get_port_link
= pdata
->get_port_link
;
1479 data
= &priv
->chip_data
.ar8327
;
1481 data
->port0_status
= ar8327_get_port_init_status(&pdata
->port0_cfg
);
1482 data
->port6_status
= ar8327_get_port_init_status(&pdata
->port6_cfg
);
1484 t
= ar8327_get_pad_cfg(pdata
->pad0_cfg
);
1485 if (chip_is_ar8337(priv
))
1486 t
|= AR8337_PAD_MAC06_EXCHANGE_EN
;
1488 priv
->write(priv
, AR8327_REG_PAD0_MODE
, t
);
1489 t
= ar8327_get_pad_cfg(pdata
->pad5_cfg
);
1490 priv
->write(priv
, AR8327_REG_PAD5_MODE
, t
);
1491 t
= ar8327_get_pad_cfg(pdata
->pad6_cfg
);
1492 priv
->write(priv
, AR8327_REG_PAD6_MODE
, t
);
1494 pos
= priv
->read(priv
, AR8327_REG_POWER_ON_STRIP
);
1497 led_cfg
= pdata
->led_cfg
;
1499 if (led_cfg
->open_drain
)
1500 new_pos
|= AR8327_POWER_ON_STRIP_LED_OPEN_EN
;
1502 new_pos
&= ~AR8327_POWER_ON_STRIP_LED_OPEN_EN
;
1504 priv
->write(priv
, AR8327_REG_LED_CTRL0
, led_cfg
->led_ctrl0
);
1505 priv
->write(priv
, AR8327_REG_LED_CTRL1
, led_cfg
->led_ctrl1
);
1506 priv
->write(priv
, AR8327_REG_LED_CTRL2
, led_cfg
->led_ctrl2
);
1507 priv
->write(priv
, AR8327_REG_LED_CTRL3
, led_cfg
->led_ctrl3
);
1510 new_pos
|= AR8327_POWER_ON_STRIP_POWER_ON_SEL
;
1513 if (pdata
->sgmii_cfg
) {
1514 t
= pdata
->sgmii_cfg
->sgmii_ctrl
;
1515 if (priv
->chip_rev
== 1)
1516 t
|= AR8327_SGMII_CTRL_EN_PLL
|
1517 AR8327_SGMII_CTRL_EN_RX
|
1518 AR8327_SGMII_CTRL_EN_TX
;
1520 t
&= ~(AR8327_SGMII_CTRL_EN_PLL
|
1521 AR8327_SGMII_CTRL_EN_RX
|
1522 AR8327_SGMII_CTRL_EN_TX
);
1524 priv
->write(priv
, AR8327_REG_SGMII_CTRL
, t
);
1526 if (pdata
->sgmii_cfg
->serdes_aen
)
1527 new_pos
&= ~AR8327_POWER_ON_STRIP_SERDES_AEN
;
1529 new_pos
|= AR8327_POWER_ON_STRIP_SERDES_AEN
;
1532 priv
->write(priv
, AR8327_REG_POWER_ON_STRIP
, new_pos
);
1534 if (pdata
->leds
&& pdata
->num_leds
) {
1537 data
->leds
= kzalloc(pdata
->num_leds
* sizeof(void *),
1542 for (i
= 0; i
< pdata
->num_leds
; i
++)
1543 ar8327_led_create(priv
, &pdata
->leds
[i
]);
1551 ar8327_hw_config_of(struct ar8xxx_priv
*priv
, struct device_node
*np
)
1553 const __be32
*paddr
;
1557 paddr
= of_get_property(np
, "qca,ar8327-initvals", &len
);
1558 if (!paddr
|| len
< (2 * sizeof(*paddr
)))
1561 len
/= sizeof(*paddr
);
1563 for (i
= 0; i
< len
- 1; i
+= 2) {
1567 reg
= be32_to_cpup(paddr
+ i
);
1568 val
= be32_to_cpup(paddr
+ i
+ 1);
1571 case AR8327_REG_PORT_STATUS(0):
1572 priv
->chip_data
.ar8327
.port0_status
= val
;
1574 case AR8327_REG_PORT_STATUS(6):
1575 priv
->chip_data
.ar8327
.port6_status
= val
;
1578 priv
->write(priv
, reg
, val
);
1587 ar8327_hw_config_of(struct ar8xxx_priv
*priv
, struct device_node
*np
)
1594 ar8327_hw_init(struct ar8xxx_priv
*priv
)
1596 struct mii_bus
*bus
;
1600 if (priv
->phy
->dev
.of_node
)
1601 ret
= ar8327_hw_config_of(priv
, priv
->phy
->dev
.of_node
);
1603 ret
= ar8327_hw_config_pdata(priv
,
1604 priv
->phy
->dev
.platform_data
);
1609 ar8327_leds_init(priv
);
1611 bus
= priv
->mii_bus
;
1612 for (i
= 0; i
< AR8327_NUM_PHYS
; i
++) {
1613 ar8327_phy_fixup(priv
, i
);
1615 /* start aneg on the PHY */
1616 mdiobus_write(bus
, i
, MII_ADVERTISE
, ADVERTISE_ALL
|
1617 ADVERTISE_PAUSE_CAP
|
1618 ADVERTISE_PAUSE_ASYM
);
1619 mdiobus_write(bus
, i
, MII_CTRL1000
, ADVERTISE_1000FULL
);
1620 mdiobus_write(bus
, i
, MII_BMCR
, BMCR_RESET
| BMCR_ANENABLE
);
1629 ar8327_cleanup(struct ar8xxx_priv
*priv
)
1631 ar8327_leds_cleanup(priv
);
1635 ar8327_init_globals(struct ar8xxx_priv
*priv
)
1639 /* enable CPU port and disable mirror port */
1640 t
= AR8327_FWD_CTRL0_CPU_PORT_EN
|
1641 AR8327_FWD_CTRL0_MIRROR_PORT
;
1642 priv
->write(priv
, AR8327_REG_FWD_CTRL0
, t
);
1644 /* forward multicast and broadcast frames to CPU */
1645 t
= (AR8327_PORTS_ALL
<< AR8327_FWD_CTRL1_UC_FLOOD_S
) |
1646 (AR8327_PORTS_ALL
<< AR8327_FWD_CTRL1_MC_FLOOD_S
) |
1647 (AR8327_PORTS_ALL
<< AR8327_FWD_CTRL1_BC_FLOOD_S
);
1648 priv
->write(priv
, AR8327_REG_FWD_CTRL1
, t
);
1650 /* enable jumbo frames */
1651 ar8xxx_rmw(priv
, AR8327_REG_MAX_FRAME_SIZE
,
1652 AR8327_MAX_FRAME_SIZE_MTU
, 9018 + 8 + 2);
1654 /* Enable MIB counters */
1655 ar8xxx_reg_set(priv
, AR8327_REG_MODULE_EN
,
1656 AR8327_MODULE_EN_MIB
);
1658 /* Disable EEE on all ports due to stability issues */
1659 t
= priv
->read(priv
, AR8327_REG_EEE_CTRL
);
1660 t
|= AR8327_EEE_CTRL_DISABLE_PHY(0) |
1661 AR8327_EEE_CTRL_DISABLE_PHY(1) |
1662 AR8327_EEE_CTRL_DISABLE_PHY(2) |
1663 AR8327_EEE_CTRL_DISABLE_PHY(3) |
1664 AR8327_EEE_CTRL_DISABLE_PHY(4);
1665 priv
->write(priv
, AR8327_REG_EEE_CTRL
, t
);
1669 ar8327_init_port(struct ar8xxx_priv
*priv
, int port
)
1673 if (port
== AR8216_PORT_CPU
)
1674 t
= priv
->chip_data
.ar8327
.port0_status
;
1676 t
= priv
->chip_data
.ar8327
.port6_status
;
1678 t
= AR8216_PORT_STATUS_LINK_AUTO
;
1680 priv
->write(priv
, AR8327_REG_PORT_STATUS(port
), t
);
1681 priv
->write(priv
, AR8327_REG_PORT_HEADER(port
), 0);
1683 t
= 1 << AR8327_PORT_VLAN0_DEF_SVID_S
;
1684 t
|= 1 << AR8327_PORT_VLAN0_DEF_CVID_S
;
1685 priv
->write(priv
, AR8327_REG_PORT_VLAN0(port
), t
);
1687 t
= AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH
<< AR8327_PORT_VLAN1_OUT_MODE_S
;
1688 priv
->write(priv
, AR8327_REG_PORT_VLAN1(port
), t
);
1690 t
= AR8327_PORT_LOOKUP_LEARN
;
1691 t
|= AR8216_PORT_STATE_FORWARD
<< AR8327_PORT_LOOKUP_STATE_S
;
1692 priv
->write(priv
, AR8327_REG_PORT_LOOKUP(port
), t
);
1696 ar8327_read_port_status(struct ar8xxx_priv
*priv
, int port
)
1698 return priv
->read(priv
, AR8327_REG_PORT_STATUS(port
));
1702 ar8327_atu_flush(struct ar8xxx_priv
*priv
)
1706 ret
= ar8216_wait_bit(priv
, AR8327_REG_ATU_FUNC
,
1707 AR8327_ATU_FUNC_BUSY
, 0);
1709 priv
->write(priv
, AR8327_REG_ATU_FUNC
,
1710 AR8327_ATU_FUNC_OP_FLUSH
);
1716 ar8327_vtu_op(struct ar8xxx_priv
*priv
, u32 op
, u32 val
)
1718 if (ar8216_wait_bit(priv
, AR8327_REG_VTU_FUNC1
,
1719 AR8327_VTU_FUNC1_BUSY
, 0))
1722 if ((op
& AR8327_VTU_FUNC1_OP
) == AR8327_VTU_FUNC1_OP_LOAD
)
1723 priv
->write(priv
, AR8327_REG_VTU_FUNC0
, val
);
1725 op
|= AR8327_VTU_FUNC1_BUSY
;
1726 priv
->write(priv
, AR8327_REG_VTU_FUNC1
, op
);
1730 ar8327_vtu_flush(struct ar8xxx_priv
*priv
)
1732 ar8327_vtu_op(priv
, AR8327_VTU_FUNC1_OP_FLUSH
, 0);
1736 ar8327_vtu_load_vlan(struct ar8xxx_priv
*priv
, u32 vid
, u32 port_mask
)
1742 op
= AR8327_VTU_FUNC1_OP_LOAD
| (vid
<< AR8327_VTU_FUNC1_VID_S
);
1743 val
= AR8327_VTU_FUNC0_VALID
| AR8327_VTU_FUNC0_IVL
;
1744 for (i
= 0; i
< AR8327_NUM_PORTS
; i
++) {
1747 if ((port_mask
& BIT(i
)) == 0)
1748 mode
= AR8327_VTU_FUNC0_EG_MODE_NOT
;
1749 else if (priv
->vlan
== 0)
1750 mode
= AR8327_VTU_FUNC0_EG_MODE_KEEP
;
1751 else if ((priv
->vlan_tagged
& BIT(i
)) || (priv
->vlan_id
[priv
->pvid
[i
]] != vid
))
1752 mode
= AR8327_VTU_FUNC0_EG_MODE_TAG
;
1754 mode
= AR8327_VTU_FUNC0_EG_MODE_UNTAG
;
1756 val
|= mode
<< AR8327_VTU_FUNC0_EG_MODE_S(i
);
1758 ar8327_vtu_op(priv
, op
, val
);
1762 ar8327_setup_port(struct ar8xxx_priv
*priv
, int port
, u32 members
)
1765 u32 egress
, ingress
;
1766 u32 pvid
= priv
->vlan_id
[priv
->pvid
[port
]];
1769 egress
= AR8327_PORT_VLAN1_OUT_MODE_UNMOD
;
1770 ingress
= AR8216_IN_SECURE
;
1772 egress
= AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH
;
1773 ingress
= AR8216_IN_PORT_ONLY
;
1776 t
= pvid
<< AR8327_PORT_VLAN0_DEF_SVID_S
;
1777 t
|= pvid
<< AR8327_PORT_VLAN0_DEF_CVID_S
;
1778 priv
->write(priv
, AR8327_REG_PORT_VLAN0(port
), t
);
1780 t
= AR8327_PORT_VLAN1_PORT_VLAN_PROP
;
1781 t
|= egress
<< AR8327_PORT_VLAN1_OUT_MODE_S
;
1782 priv
->write(priv
, AR8327_REG_PORT_VLAN1(port
), t
);
1785 t
|= AR8327_PORT_LOOKUP_LEARN
;
1786 t
|= ingress
<< AR8327_PORT_LOOKUP_IN_MODE_S
;
1787 t
|= AR8216_PORT_STATE_FORWARD
<< AR8327_PORT_LOOKUP_STATE_S
;
1788 priv
->write(priv
, AR8327_REG_PORT_LOOKUP(port
), t
);
1791 static const struct ar8xxx_chip ar8327_chip
= {
1792 .caps
= AR8XXX_CAP_GIGE
| AR8XXX_CAP_MIB_COUNTERS
,
1793 .hw_init
= ar8327_hw_init
,
1794 .cleanup
= ar8327_cleanup
,
1795 .init_globals
= ar8327_init_globals
,
1796 .init_port
= ar8327_init_port
,
1797 .setup_port
= ar8327_setup_port
,
1798 .read_port_status
= ar8327_read_port_status
,
1799 .atu_flush
= ar8327_atu_flush
,
1800 .vtu_flush
= ar8327_vtu_flush
,
1801 .vtu_load_vlan
= ar8327_vtu_load_vlan
,
1803 .num_mibs
= ARRAY_SIZE(ar8236_mibs
),
1804 .mib_decs
= ar8236_mibs
,
1808 ar8xxx_sw_set_vlan(struct switch_dev
*dev
, const struct switch_attr
*attr
,
1809 struct switch_val
*val
)
1811 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1812 priv
->vlan
= !!val
->value
.i
;
1817 ar8xxx_sw_get_vlan(struct switch_dev
*dev
, const struct switch_attr
*attr
,
1818 struct switch_val
*val
)
1820 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1821 val
->value
.i
= priv
->vlan
;
1827 ar8xxx_sw_set_pvid(struct switch_dev
*dev
, int port
, int vlan
)
1829 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1831 /* make sure no invalid PVIDs get set */
1833 if (vlan
>= dev
->vlans
)
1836 priv
->pvid
[port
] = vlan
;
1841 ar8xxx_sw_get_pvid(struct switch_dev
*dev
, int port
, int *vlan
)
1843 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1844 *vlan
= priv
->pvid
[port
];
1849 ar8xxx_sw_set_vid(struct switch_dev
*dev
, const struct switch_attr
*attr
,
1850 struct switch_val
*val
)
1852 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1853 priv
->vlan_id
[val
->port_vlan
] = val
->value
.i
;
1858 ar8xxx_sw_get_vid(struct switch_dev
*dev
, const struct switch_attr
*attr
,
1859 struct switch_val
*val
)
1861 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1862 val
->value
.i
= priv
->vlan_id
[val
->port_vlan
];
1867 ar8xxx_sw_get_port_link(struct switch_dev
*dev
, int port
,
1868 struct switch_port_link
*link
)
1870 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1872 ar8216_read_port_link(priv
, port
, link
);
1877 ar8xxx_sw_get_ports(struct switch_dev
*dev
, struct switch_val
*val
)
1879 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1880 u8 ports
= priv
->vlan_table
[val
->port_vlan
];
1884 for (i
= 0; i
< dev
->ports
; i
++) {
1885 struct switch_port
*p
;
1887 if (!(ports
& (1 << i
)))
1890 p
= &val
->value
.ports
[val
->len
++];
1892 if (priv
->vlan_tagged
& (1 << i
))
1893 p
->flags
= (1 << SWITCH_PORT_FLAG_TAGGED
);
1901 ar8327_sw_get_ports(struct switch_dev
*dev
, struct switch_val
*val
)
1903 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1904 u8 ports
= priv
->vlan_table
[val
->port_vlan
];
1908 for (i
= 0; i
< dev
->ports
; i
++) {
1909 struct switch_port
*p
;
1911 if (!(ports
& (1 << i
)))
1914 p
= &val
->value
.ports
[val
->len
++];
1916 if ((priv
->vlan_tagged
& (1 << i
)) || (priv
->pvid
[i
] != val
->port_vlan
))
1917 p
->flags
= (1 << SWITCH_PORT_FLAG_TAGGED
);
1925 ar8xxx_sw_set_ports(struct switch_dev
*dev
, struct switch_val
*val
)
1927 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1928 u8
*vt
= &priv
->vlan_table
[val
->port_vlan
];
1932 for (i
= 0; i
< val
->len
; i
++) {
1933 struct switch_port
*p
= &val
->value
.ports
[i
];
1935 if (p
->flags
& (1 << SWITCH_PORT_FLAG_TAGGED
)) {
1936 priv
->vlan_tagged
|= (1 << p
->id
);
1938 priv
->vlan_tagged
&= ~(1 << p
->id
);
1939 priv
->pvid
[p
->id
] = val
->port_vlan
;
1941 /* make sure that an untagged port does not
1942 * appear in other vlans */
1943 for (j
= 0; j
< AR8X16_MAX_VLANS
; j
++) {
1944 if (j
== val
->port_vlan
)
1946 priv
->vlan_table
[j
] &= ~(1 << p
->id
);
1956 ar8327_sw_set_ports(struct switch_dev
*dev
, struct switch_val
*val
)
1958 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1959 u8
*vt
= &priv
->vlan_table
[val
->port_vlan
];
1963 for (i
= 0; i
< val
->len
; i
++) {
1964 struct switch_port
*p
= &val
->value
.ports
[i
];
1966 if (p
->flags
& (1 << SWITCH_PORT_FLAG_TAGGED
)) {
1967 if (val
->port_vlan
== priv
->pvid
[p
->id
]) {
1968 priv
->vlan_tagged
|= (1 << p
->id
);
1971 priv
->vlan_tagged
&= ~(1 << p
->id
);
1972 priv
->pvid
[p
->id
] = val
->port_vlan
;
1981 ar8327_set_mirror_regs(struct ar8xxx_priv
*priv
)
1985 /* reset all mirror registers */
1986 ar8xxx_rmw(priv
, AR8327_REG_FWD_CTRL0
,
1987 AR8327_FWD_CTRL0_MIRROR_PORT
,
1988 (0xF << AR8327_FWD_CTRL0_MIRROR_PORT_S
));
1989 for (port
= 0; port
< AR8327_NUM_PORTS
; port
++) {
1990 ar8xxx_rmw(priv
, AR8327_REG_PORT_LOOKUP(port
),
1991 AR8327_PORT_LOOKUP_ING_MIRROR_EN
,
1994 ar8xxx_rmw(priv
, AR8327_REG_PORT_HOL_CTRL1(port
),
1995 AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN
,
1999 /* now enable mirroring if necessary */
2000 if (priv
->source_port
>= AR8327_NUM_PORTS
||
2001 priv
->monitor_port
>= AR8327_NUM_PORTS
||
2002 priv
->source_port
== priv
->monitor_port
) {
2006 ar8xxx_rmw(priv
, AR8327_REG_FWD_CTRL0
,
2007 AR8327_FWD_CTRL0_MIRROR_PORT
,
2008 (priv
->monitor_port
<< AR8327_FWD_CTRL0_MIRROR_PORT_S
));
2010 if (priv
->mirror_rx
)
2011 ar8xxx_rmw(priv
, AR8327_REG_PORT_LOOKUP(priv
->source_port
),
2012 AR8327_PORT_LOOKUP_ING_MIRROR_EN
,
2013 AR8327_PORT_LOOKUP_ING_MIRROR_EN
);
2015 if (priv
->mirror_tx
)
2016 ar8xxx_rmw(priv
, AR8327_REG_PORT_HOL_CTRL1(priv
->source_port
),
2017 AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN
,
2018 AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN
);
2022 ar8216_set_mirror_regs(struct ar8xxx_priv
*priv
)
2026 /* reset all mirror registers */
2027 ar8xxx_rmw(priv
, AR8216_REG_GLOBAL_CPUPORT
,
2028 AR8216_GLOBAL_CPUPORT_MIRROR_PORT
,
2029 (0xF << AR8216_GLOBAL_CPUPORT_MIRROR_PORT_S
));
2030 for (port
= 0; port
< AR8216_NUM_PORTS
; port
++) {
2031 ar8xxx_rmw(priv
, AR8216_REG_PORT_CTRL(port
),
2032 AR8216_PORT_CTRL_MIRROR_RX
,
2035 ar8xxx_rmw(priv
, AR8216_REG_PORT_CTRL(port
),
2036 AR8216_PORT_CTRL_MIRROR_TX
,
2040 /* now enable mirroring if necessary */
2041 if (priv
->source_port
>= AR8216_NUM_PORTS
||
2042 priv
->monitor_port
>= AR8216_NUM_PORTS
||
2043 priv
->source_port
== priv
->monitor_port
) {
2047 ar8xxx_rmw(priv
, AR8216_REG_GLOBAL_CPUPORT
,
2048 AR8216_GLOBAL_CPUPORT_MIRROR_PORT
,
2049 (priv
->monitor_port
<< AR8216_GLOBAL_CPUPORT_MIRROR_PORT_S
));
2051 if (priv
->mirror_rx
)
2052 ar8xxx_rmw(priv
, AR8216_REG_PORT_CTRL(priv
->source_port
),
2053 AR8216_PORT_CTRL_MIRROR_RX
,
2054 AR8216_PORT_CTRL_MIRROR_RX
);
2056 if (priv
->mirror_tx
)
2057 ar8xxx_rmw(priv
, AR8216_REG_PORT_CTRL(priv
->source_port
),
2058 AR8216_PORT_CTRL_MIRROR_TX
,
2059 AR8216_PORT_CTRL_MIRROR_TX
);
2063 ar8xxx_set_mirror_regs(struct ar8xxx_priv
*priv
)
2065 if (chip_is_ar8327(priv
) || chip_is_ar8337(priv
)) {
2066 ar8327_set_mirror_regs(priv
);
2068 ar8216_set_mirror_regs(priv
);
2073 ar8xxx_sw_hw_apply(struct switch_dev
*dev
)
2075 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2076 u8 portmask
[AR8X16_MAX_PORTS
];
2079 mutex_lock(&priv
->reg_mutex
);
2080 /* flush all vlan translation unit entries */
2081 priv
->chip
->vtu_flush(priv
);
2083 memset(portmask
, 0, sizeof(portmask
));
2085 /* calculate the port destination masks and load vlans
2086 * into the vlan translation unit */
2087 for (j
= 0; j
< AR8X16_MAX_VLANS
; j
++) {
2088 u8 vp
= priv
->vlan_table
[j
];
2093 for (i
= 0; i
< dev
->ports
; i
++) {
2096 portmask
[i
] |= vp
& ~mask
;
2099 priv
->chip
->vtu_load_vlan(priv
, priv
->vlan_id
[j
],
2100 priv
->vlan_table
[j
]);
2104 * isolate all ports, but connect them to the cpu port */
2105 for (i
= 0; i
< dev
->ports
; i
++) {
2106 if (i
== AR8216_PORT_CPU
)
2109 portmask
[i
] = 1 << AR8216_PORT_CPU
;
2110 portmask
[AR8216_PORT_CPU
] |= (1 << i
);
2114 /* update the port destination mask registers and tag settings */
2115 for (i
= 0; i
< dev
->ports
; i
++) {
2116 priv
->chip
->setup_port(priv
, i
, portmask
[i
]);
2119 ar8xxx_set_mirror_regs(priv
);
2121 mutex_unlock(&priv
->reg_mutex
);
2126 ar8xxx_sw_reset_switch(struct switch_dev
*dev
)
2128 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2131 mutex_lock(&priv
->reg_mutex
);
2132 memset(&priv
->vlan
, 0, sizeof(struct ar8xxx_priv
) -
2133 offsetof(struct ar8xxx_priv
, vlan
));
2135 for (i
= 0; i
< AR8X16_MAX_VLANS
; i
++)
2136 priv
->vlan_id
[i
] = i
;
2138 /* Configure all ports */
2139 for (i
= 0; i
< dev
->ports
; i
++)
2140 priv
->chip
->init_port(priv
, i
);
2142 priv
->mirror_rx
= false;
2143 priv
->mirror_tx
= false;
2144 priv
->source_port
= 0;
2145 priv
->monitor_port
= 0;
2147 priv
->chip
->init_globals(priv
);
2149 mutex_unlock(&priv
->reg_mutex
);
2151 return ar8xxx_sw_hw_apply(dev
);
2155 ar8xxx_sw_set_reset_mibs(struct switch_dev
*dev
,
2156 const struct switch_attr
*attr
,
2157 struct switch_val
*val
)
2159 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2163 if (!ar8xxx_has_mib_counters(priv
))
2166 mutex_lock(&priv
->mib_lock
);
2168 len
= priv
->dev
.ports
* priv
->chip
->num_mibs
*
2169 sizeof(*priv
->mib_stats
);
2170 memset(priv
->mib_stats
, '\0', len
);
2171 ret
= ar8xxx_mib_flush(priv
);
2178 mutex_unlock(&priv
->mib_lock
);
2183 ar8xxx_sw_set_mirror_rx_enable(struct switch_dev
*dev
,
2184 const struct switch_attr
*attr
,
2185 struct switch_val
*val
)
2187 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2189 mutex_lock(&priv
->reg_mutex
);
2190 priv
->mirror_rx
= !!val
->value
.i
;
2191 ar8xxx_set_mirror_regs(priv
);
2192 mutex_unlock(&priv
->reg_mutex
);
2198 ar8xxx_sw_get_mirror_rx_enable(struct switch_dev
*dev
,
2199 const struct switch_attr
*attr
,
2200 struct switch_val
*val
)
2202 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2203 val
->value
.i
= priv
->mirror_rx
;
2208 ar8xxx_sw_set_mirror_tx_enable(struct switch_dev
*dev
,
2209 const struct switch_attr
*attr
,
2210 struct switch_val
*val
)
2212 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2214 mutex_lock(&priv
->reg_mutex
);
2215 priv
->mirror_tx
= !!val
->value
.i
;
2216 ar8xxx_set_mirror_regs(priv
);
2217 mutex_unlock(&priv
->reg_mutex
);
2223 ar8xxx_sw_get_mirror_tx_enable(struct switch_dev
*dev
,
2224 const struct switch_attr
*attr
,
2225 struct switch_val
*val
)
2227 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2228 val
->value
.i
= priv
->mirror_tx
;
2233 ar8xxx_sw_set_mirror_monitor_port(struct switch_dev
*dev
,
2234 const struct switch_attr
*attr
,
2235 struct switch_val
*val
)
2237 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2239 mutex_lock(&priv
->reg_mutex
);
2240 priv
->monitor_port
= val
->value
.i
;
2241 ar8xxx_set_mirror_regs(priv
);
2242 mutex_unlock(&priv
->reg_mutex
);
2248 ar8xxx_sw_get_mirror_monitor_port(struct switch_dev
*dev
,
2249 const struct switch_attr
*attr
,
2250 struct switch_val
*val
)
2252 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2253 val
->value
.i
= priv
->monitor_port
;
2258 ar8xxx_sw_set_mirror_source_port(struct switch_dev
*dev
,
2259 const struct switch_attr
*attr
,
2260 struct switch_val
*val
)
2262 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2264 mutex_lock(&priv
->reg_mutex
);
2265 priv
->source_port
= val
->value
.i
;
2266 ar8xxx_set_mirror_regs(priv
);
2267 mutex_unlock(&priv
->reg_mutex
);
2273 ar8xxx_sw_get_mirror_source_port(struct switch_dev
*dev
,
2274 const struct switch_attr
*attr
,
2275 struct switch_val
*val
)
2277 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2278 val
->value
.i
= priv
->source_port
;
2283 ar8xxx_sw_set_port_reset_mib(struct switch_dev
*dev
,
2284 const struct switch_attr
*attr
,
2285 struct switch_val
*val
)
2287 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2291 if (!ar8xxx_has_mib_counters(priv
))
2294 port
= val
->port_vlan
;
2295 if (port
>= dev
->ports
)
2298 mutex_lock(&priv
->mib_lock
);
2299 ret
= ar8xxx_mib_capture(priv
);
2303 ar8xxx_mib_fetch_port_stat(priv
, port
, true);
2308 mutex_unlock(&priv
->mib_lock
);
2313 ar8xxx_sw_get_port_mib(struct switch_dev
*dev
,
2314 const struct switch_attr
*attr
,
2315 struct switch_val
*val
)
2317 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2318 const struct ar8xxx_chip
*chip
= priv
->chip
;
2322 char *buf
= priv
->buf
;
2325 if (!ar8xxx_has_mib_counters(priv
))
2328 port
= val
->port_vlan
;
2329 if (port
>= dev
->ports
)
2332 mutex_lock(&priv
->mib_lock
);
2333 ret
= ar8xxx_mib_capture(priv
);
2337 ar8xxx_mib_fetch_port_stat(priv
, port
, false);
2339 len
+= snprintf(buf
+ len
, sizeof(priv
->buf
) - len
,
2340 "Port %d MIB counters\n",
2343 mib_stats
= &priv
->mib_stats
[port
* chip
->num_mibs
];
2344 for (i
= 0; i
< chip
->num_mibs
; i
++)
2345 len
+= snprintf(buf
+ len
, sizeof(priv
->buf
) - len
,
2347 chip
->mib_decs
[i
].name
,
2356 mutex_unlock(&priv
->mib_lock
);
2360 static struct switch_attr ar8xxx_sw_attr_globals
[] = {
2362 .type
= SWITCH_TYPE_INT
,
2363 .name
= "enable_vlan",
2364 .description
= "Enable VLAN mode",
2365 .set
= ar8xxx_sw_set_vlan
,
2366 .get
= ar8xxx_sw_get_vlan
,
2370 .type
= SWITCH_TYPE_NOVAL
,
2371 .name
= "reset_mibs",
2372 .description
= "Reset all MIB counters",
2373 .set
= ar8xxx_sw_set_reset_mibs
,
2376 .type
= SWITCH_TYPE_INT
,
2377 .name
= "enable_mirror_rx",
2378 .description
= "Enable mirroring of RX packets",
2379 .set
= ar8xxx_sw_set_mirror_rx_enable
,
2380 .get
= ar8xxx_sw_get_mirror_rx_enable
,
2384 .type
= SWITCH_TYPE_INT
,
2385 .name
= "enable_mirror_tx",
2386 .description
= "Enable mirroring of TX packets",
2387 .set
= ar8xxx_sw_set_mirror_tx_enable
,
2388 .get
= ar8xxx_sw_get_mirror_tx_enable
,
2392 .type
= SWITCH_TYPE_INT
,
2393 .name
= "mirror_monitor_port",
2394 .description
= "Mirror monitor port",
2395 .set
= ar8xxx_sw_set_mirror_monitor_port
,
2396 .get
= ar8xxx_sw_get_mirror_monitor_port
,
2397 .max
= AR8216_NUM_PORTS
- 1
2400 .type
= SWITCH_TYPE_INT
,
2401 .name
= "mirror_source_port",
2402 .description
= "Mirror source port",
2403 .set
= ar8xxx_sw_set_mirror_source_port
,
2404 .get
= ar8xxx_sw_get_mirror_source_port
,
2405 .max
= AR8216_NUM_PORTS
- 1
2409 static struct switch_attr ar8327_sw_attr_globals
[] = {
2411 .type
= SWITCH_TYPE_INT
,
2412 .name
= "enable_vlan",
2413 .description
= "Enable VLAN mode",
2414 .set
= ar8xxx_sw_set_vlan
,
2415 .get
= ar8xxx_sw_get_vlan
,
2419 .type
= SWITCH_TYPE_NOVAL
,
2420 .name
= "reset_mibs",
2421 .description
= "Reset all MIB counters",
2422 .set
= ar8xxx_sw_set_reset_mibs
,
2425 .type
= SWITCH_TYPE_INT
,
2426 .name
= "enable_mirror_rx",
2427 .description
= "Enable mirroring of RX packets",
2428 .set
= ar8xxx_sw_set_mirror_rx_enable
,
2429 .get
= ar8xxx_sw_get_mirror_rx_enable
,
2433 .type
= SWITCH_TYPE_INT
,
2434 .name
= "enable_mirror_tx",
2435 .description
= "Enable mirroring of TX packets",
2436 .set
= ar8xxx_sw_set_mirror_tx_enable
,
2437 .get
= ar8xxx_sw_get_mirror_tx_enable
,
2441 .type
= SWITCH_TYPE_INT
,
2442 .name
= "mirror_monitor_port",
2443 .description
= "Mirror monitor port",
2444 .set
= ar8xxx_sw_set_mirror_monitor_port
,
2445 .get
= ar8xxx_sw_get_mirror_monitor_port
,
2446 .max
= AR8327_NUM_PORTS
- 1
2449 .type
= SWITCH_TYPE_INT
,
2450 .name
= "mirror_source_port",
2451 .description
= "Mirror source port",
2452 .set
= ar8xxx_sw_set_mirror_source_port
,
2453 .get
= ar8xxx_sw_get_mirror_source_port
,
2454 .max
= AR8327_NUM_PORTS
- 1
2458 static struct switch_attr ar8xxx_sw_attr_port
[] = {
2460 .type
= SWITCH_TYPE_NOVAL
,
2461 .name
= "reset_mib",
2462 .description
= "Reset single port MIB counters",
2463 .set
= ar8xxx_sw_set_port_reset_mib
,
2466 .type
= SWITCH_TYPE_STRING
,
2468 .description
= "Get port's MIB counters",
2470 .get
= ar8xxx_sw_get_port_mib
,
2474 static struct switch_attr ar8xxx_sw_attr_vlan
[] = {
2476 .type
= SWITCH_TYPE_INT
,
2478 .description
= "VLAN ID (0-4094)",
2479 .set
= ar8xxx_sw_set_vid
,
2480 .get
= ar8xxx_sw_get_vid
,
2485 static const struct switch_dev_ops ar8xxx_sw_ops
= {
2487 .attr
= ar8xxx_sw_attr_globals
,
2488 .n_attr
= ARRAY_SIZE(ar8xxx_sw_attr_globals
),
2491 .attr
= ar8xxx_sw_attr_port
,
2492 .n_attr
= ARRAY_SIZE(ar8xxx_sw_attr_port
),
2495 .attr
= ar8xxx_sw_attr_vlan
,
2496 .n_attr
= ARRAY_SIZE(ar8xxx_sw_attr_vlan
),
2498 .get_port_pvid
= ar8xxx_sw_get_pvid
,
2499 .set_port_pvid
= ar8xxx_sw_set_pvid
,
2500 .get_vlan_ports
= ar8xxx_sw_get_ports
,
2501 .set_vlan_ports
= ar8xxx_sw_set_ports
,
2502 .apply_config
= ar8xxx_sw_hw_apply
,
2503 .reset_switch
= ar8xxx_sw_reset_switch
,
2504 .get_port_link
= ar8xxx_sw_get_port_link
,
2507 static const struct switch_dev_ops ar8327_sw_ops
= {
2509 .attr
= ar8327_sw_attr_globals
,
2510 .n_attr
= ARRAY_SIZE(ar8327_sw_attr_globals
),
2513 .attr
= ar8xxx_sw_attr_port
,
2514 .n_attr
= ARRAY_SIZE(ar8xxx_sw_attr_port
),
2517 .attr
= ar8xxx_sw_attr_vlan
,
2518 .n_attr
= ARRAY_SIZE(ar8xxx_sw_attr_vlan
),
2520 .get_port_pvid
= ar8xxx_sw_get_pvid
,
2521 .set_port_pvid
= ar8xxx_sw_set_pvid
,
2522 .get_vlan_ports
= ar8327_sw_get_ports
,
2523 .set_vlan_ports
= ar8327_sw_set_ports
,
2524 .apply_config
= ar8xxx_sw_hw_apply
,
2525 .reset_switch
= ar8xxx_sw_reset_switch
,
2526 .get_port_link
= ar8xxx_sw_get_port_link
,
2530 ar8xxx_id_chip(struct ar8xxx_priv
*priv
)
2536 val
= priv
->read(priv
, AR8216_REG_CTRL
);
2540 id
= val
& (AR8216_CTRL_REVISION
| AR8216_CTRL_VERSION
);
2541 for (i
= 0; i
< AR8X16_PROBE_RETRIES
; i
++) {
2544 val
= priv
->read(priv
, AR8216_REG_CTRL
);
2548 t
= val
& (AR8216_CTRL_REVISION
| AR8216_CTRL_VERSION
);
2553 priv
->chip_ver
= (id
& AR8216_CTRL_VERSION
) >> AR8216_CTRL_VERSION_S
;
2554 priv
->chip_rev
= (id
& AR8216_CTRL_REVISION
);
2556 switch (priv
->chip_ver
) {
2557 case AR8XXX_VER_AR8216
:
2558 priv
->chip
= &ar8216_chip
;
2560 case AR8XXX_VER_AR8236
:
2561 priv
->chip
= &ar8236_chip
;
2563 case AR8XXX_VER_AR8316
:
2564 priv
->chip
= &ar8316_chip
;
2566 case AR8XXX_VER_AR8327
:
2567 priv
->mii_lo_first
= true;
2568 priv
->chip
= &ar8327_chip
;
2570 case AR8XXX_VER_AR8337
:
2571 priv
->mii_lo_first
= true;
2572 priv
->chip
= &ar8327_chip
;
2575 pr_err("ar8216: Unknown Atheros device [ver=%d, rev=%d]\n",
2576 priv
->chip_ver
, priv
->chip_rev
);
2585 ar8xxx_mib_work_func(struct work_struct
*work
)
2587 struct ar8xxx_priv
*priv
;
2590 priv
= container_of(work
, struct ar8xxx_priv
, mib_work
.work
);
2592 mutex_lock(&priv
->mib_lock
);
2594 err
= ar8xxx_mib_capture(priv
);
2598 ar8xxx_mib_fetch_port_stat(priv
, priv
->mib_next_port
, false);
2601 priv
->mib_next_port
++;
2602 if (priv
->mib_next_port
>= priv
->dev
.ports
)
2603 priv
->mib_next_port
= 0;
2605 mutex_unlock(&priv
->mib_lock
);
2606 schedule_delayed_work(&priv
->mib_work
,
2607 msecs_to_jiffies(AR8XXX_MIB_WORK_DELAY
));
2611 ar8xxx_mib_init(struct ar8xxx_priv
*priv
)
2615 if (!ar8xxx_has_mib_counters(priv
))
2618 BUG_ON(!priv
->chip
->mib_decs
|| !priv
->chip
->num_mibs
);
2620 len
= priv
->dev
.ports
* priv
->chip
->num_mibs
*
2621 sizeof(*priv
->mib_stats
);
2622 priv
->mib_stats
= kzalloc(len
, GFP_KERNEL
);
2624 if (!priv
->mib_stats
)
2631 ar8xxx_mib_start(struct ar8xxx_priv
*priv
)
2633 if (!ar8xxx_has_mib_counters(priv
))
2636 schedule_delayed_work(&priv
->mib_work
,
2637 msecs_to_jiffies(AR8XXX_MIB_WORK_DELAY
));
2641 ar8xxx_mib_stop(struct ar8xxx_priv
*priv
)
2643 if (!ar8xxx_has_mib_counters(priv
))
2646 cancel_delayed_work(&priv
->mib_work
);
2649 static struct ar8xxx_priv
*
2652 struct ar8xxx_priv
*priv
;
2654 priv
= kzalloc(sizeof(struct ar8xxx_priv
), GFP_KERNEL
);
2658 mutex_init(&priv
->reg_mutex
);
2659 mutex_init(&priv
->mib_lock
);
2660 INIT_DELAYED_WORK(&priv
->mib_work
, ar8xxx_mib_work_func
);
2666 ar8xxx_free(struct ar8xxx_priv
*priv
)
2668 if (priv
->chip
&& priv
->chip
->cleanup
)
2669 priv
->chip
->cleanup(priv
);
2671 kfree(priv
->mib_stats
);
2675 static struct ar8xxx_priv
*
2676 ar8xxx_create_mii(struct mii_bus
*bus
)
2678 struct ar8xxx_priv
*priv
;
2680 priv
= ar8xxx_create();
2682 priv
->mii_bus
= bus
;
2683 priv
->read
= ar8xxx_mii_read
;
2684 priv
->write
= ar8xxx_mii_write
;
2685 priv
->rmw
= ar8xxx_mii_rmw
;
2692 ar8xxx_probe_switch(struct ar8xxx_priv
*priv
)
2694 struct switch_dev
*swdev
;
2697 ret
= ar8xxx_id_chip(priv
);
2702 swdev
->cpu_port
= AR8216_PORT_CPU
;
2703 swdev
->ops
= &ar8xxx_sw_ops
;
2705 if (chip_is_ar8316(priv
)) {
2706 swdev
->name
= "Atheros AR8316";
2707 swdev
->vlans
= AR8X16_MAX_VLANS
;
2708 swdev
->ports
= AR8216_NUM_PORTS
;
2709 } else if (chip_is_ar8236(priv
)) {
2710 swdev
->name
= "Atheros AR8236";
2711 swdev
->vlans
= AR8216_NUM_VLANS
;
2712 swdev
->ports
= AR8216_NUM_PORTS
;
2713 } else if (chip_is_ar8327(priv
)) {
2714 swdev
->name
= "Atheros AR8327";
2715 swdev
->vlans
= AR8X16_MAX_VLANS
;
2716 swdev
->ports
= AR8327_NUM_PORTS
;
2717 swdev
->ops
= &ar8327_sw_ops
;
2718 } else if (chip_is_ar8337(priv
)) {
2719 swdev
->name
= "Atheros AR8337";
2720 swdev
->vlans
= AR8X16_MAX_VLANS
;
2721 swdev
->ports
= AR8327_NUM_PORTS
;
2722 swdev
->ops
= &ar8327_sw_ops
;
2724 swdev
->name
= "Atheros AR8216";
2725 swdev
->vlans
= AR8216_NUM_VLANS
;
2726 swdev
->ports
= AR8216_NUM_PORTS
;
2729 ret
= ar8xxx_mib_init(priv
);
2737 ar8xxx_start(struct ar8xxx_priv
*priv
)
2743 ret
= priv
->chip
->hw_init(priv
);
2747 ret
= ar8xxx_sw_reset_switch(&priv
->dev
);
2753 ar8xxx_mib_start(priv
);
2759 ar8xxx_phy_config_init(struct phy_device
*phydev
)
2761 struct ar8xxx_priv
*priv
= phydev
->priv
;
2762 struct net_device
*dev
= phydev
->attached_dev
;
2768 if (chip_is_ar8327(priv
) || chip_is_ar8337(priv
))
2773 if (phydev
->addr
!= 0) {
2774 if (chip_is_ar8316(priv
)) {
2775 /* switch device has been initialized, reinit */
2776 priv
->dev
.ports
= (AR8216_NUM_PORTS
- 1);
2777 priv
->initialized
= false;
2778 priv
->port4_phy
= true;
2779 ar8316_hw_init(priv
);
2786 ret
= ar8xxx_start(priv
);
2790 /* VID fixup only needed on ar8216 */
2791 if (chip_is_ar8216(priv
)) {
2792 dev
->phy_ptr
= priv
;
2793 dev
->priv_flags
|= IFF_NO_IP_ALIGN
;
2794 dev
->eth_mangle_rx
= ar8216_mangle_rx
;
2795 dev
->eth_mangle_tx
= ar8216_mangle_tx
;
2802 ar8xxx_phy_read_status(struct phy_device
*phydev
)
2804 struct ar8xxx_priv
*priv
= phydev
->priv
;
2805 struct switch_port_link link
;
2808 if (phydev
->addr
!= 0)
2809 return genphy_read_status(phydev
);
2811 ar8216_read_port_link(priv
, phydev
->addr
, &link
);
2812 phydev
->link
= !!link
.link
;
2816 switch (link
.speed
) {
2817 case SWITCH_PORT_SPEED_10
:
2818 phydev
->speed
= SPEED_10
;
2820 case SWITCH_PORT_SPEED_100
:
2821 phydev
->speed
= SPEED_100
;
2823 case SWITCH_PORT_SPEED_1000
:
2824 phydev
->speed
= SPEED_1000
;
2829 phydev
->duplex
= link
.duplex
? DUPLEX_FULL
: DUPLEX_HALF
;
2831 /* flush the address translation unit */
2832 mutex_lock(&priv
->reg_mutex
);
2833 ret
= priv
->chip
->atu_flush(priv
);
2834 mutex_unlock(&priv
->reg_mutex
);
2836 phydev
->state
= PHY_RUNNING
;
2837 netif_carrier_on(phydev
->attached_dev
);
2838 phydev
->adjust_link(phydev
->attached_dev
);
2844 ar8xxx_phy_config_aneg(struct phy_device
*phydev
)
2846 if (phydev
->addr
== 0)
2849 return genphy_config_aneg(phydev
);
2852 static const u32 ar8xxx_phy_ids
[] = {
2854 0x004dd034, /* AR8327 */
2855 0x004dd036, /* AR8337 */
2858 0x004dd043, /* AR8236 */
2862 ar8xxx_phy_match(u32 phy_id
)
2866 for (i
= 0; i
< ARRAY_SIZE(ar8xxx_phy_ids
); i
++)
2867 if (phy_id
== ar8xxx_phy_ids
[i
])
2874 ar8xxx_is_possible(struct mii_bus
*bus
)
2878 for (i
= 0; i
< 4; i
++) {
2881 phy_id
= mdiobus_read(bus
, i
, MII_PHYSID1
) << 16;
2882 phy_id
|= mdiobus_read(bus
, i
, MII_PHYSID2
);
2883 if (!ar8xxx_phy_match(phy_id
)) {
2884 pr_debug("ar8xxx: unknown PHY at %s:%02x id:%08x\n",
2885 dev_name(&bus
->dev
), i
, phy_id
);
2894 ar8xxx_phy_probe(struct phy_device
*phydev
)
2896 struct ar8xxx_priv
*priv
;
2897 struct switch_dev
*swdev
;
2900 /* skip PHYs at unused adresses */
2901 if (phydev
->addr
!= 0 && phydev
->addr
!= 4)
2904 if (!ar8xxx_is_possible(phydev
->bus
))
2907 mutex_lock(&ar8xxx_dev_list_lock
);
2908 list_for_each_entry(priv
, &ar8xxx_dev_list
, list
)
2909 if (priv
->mii_bus
== phydev
->bus
)
2912 priv
= ar8xxx_create_mii(phydev
->bus
);
2918 ret
= ar8xxx_probe_switch(priv
);
2923 swdev
->alias
= dev_name(&priv
->mii_bus
->dev
);
2924 ret
= register_switch(swdev
, NULL
);
2928 pr_info("%s: %s rev. %u switch registered on %s\n",
2929 swdev
->devname
, swdev
->name
, priv
->chip_rev
,
2930 dev_name(&priv
->mii_bus
->dev
));
2935 if (phydev
->addr
== 0) {
2936 if (ar8xxx_has_gige(priv
)) {
2937 phydev
->supported
= SUPPORTED_1000baseT_Full
;
2938 phydev
->advertising
= ADVERTISED_1000baseT_Full
;
2940 phydev
->supported
= SUPPORTED_100baseT_Full
;
2941 phydev
->advertising
= ADVERTISED_100baseT_Full
;
2944 if (chip_is_ar8327(priv
) || chip_is_ar8337(priv
)) {
2947 ret
= ar8xxx_start(priv
);
2949 goto err_unregister_switch
;
2952 if (ar8xxx_has_gige(priv
)) {
2953 phydev
->supported
|= SUPPORTED_1000baseT_Full
;
2954 phydev
->advertising
|= ADVERTISED_1000baseT_Full
;
2958 phydev
->priv
= priv
;
2960 list_add(&priv
->list
, &ar8xxx_dev_list
);
2962 mutex_unlock(&ar8xxx_dev_list_lock
);
2966 err_unregister_switch
:
2967 if (--priv
->use_count
)
2970 unregister_switch(&priv
->dev
);
2975 mutex_unlock(&ar8xxx_dev_list_lock
);
2980 ar8xxx_phy_detach(struct phy_device
*phydev
)
2982 struct net_device
*dev
= phydev
->attached_dev
;
2987 dev
->phy_ptr
= NULL
;
2988 dev
->priv_flags
&= ~IFF_NO_IP_ALIGN
;
2989 dev
->eth_mangle_rx
= NULL
;
2990 dev
->eth_mangle_tx
= NULL
;
2994 ar8xxx_phy_remove(struct phy_device
*phydev
)
2996 struct ar8xxx_priv
*priv
= phydev
->priv
;
3001 phydev
->priv
= NULL
;
3002 if (--priv
->use_count
> 0)
3005 mutex_lock(&ar8xxx_dev_list_lock
);
3006 list_del(&priv
->list
);
3007 mutex_unlock(&ar8xxx_dev_list_lock
);
3009 unregister_switch(&priv
->dev
);
3010 ar8xxx_mib_stop(priv
);
3014 static struct phy_driver ar8xxx_phy_driver
= {
3015 .phy_id
= 0x004d0000,
3016 .name
= "Atheros AR8216/AR8236/AR8316",
3017 .phy_id_mask
= 0xffff0000,
3018 .features
= PHY_BASIC_FEATURES
,
3019 .probe
= ar8xxx_phy_probe
,
3020 .remove
= ar8xxx_phy_remove
,
3021 .detach
= ar8xxx_phy_detach
,
3022 .config_init
= ar8xxx_phy_config_init
,
3023 .config_aneg
= ar8xxx_phy_config_aneg
,
3024 .read_status
= ar8xxx_phy_read_status
,
3025 .driver
= { .owner
= THIS_MODULE
},
3031 return phy_driver_register(&ar8xxx_phy_driver
);
3037 phy_driver_unregister(&ar8xxx_phy_driver
);
3040 module_init(ar8xxx_init
);
3041 module_exit(ar8xxx_exit
);
3042 MODULE_LICENSE("GPL");