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>
39 #include <linux/version.h>
43 /* size of the vlan table */
44 #define AR8X16_MAX_VLANS 128
45 #define AR8X16_PROBE_RETRIES 10
46 #define AR8X16_MAX_PORTS 8
48 #define AR8XXX_MIB_WORK_DELAY 2000 /* msecs */
52 #define AR8XXX_CAP_GIGE BIT(0)
53 #define AR8XXX_CAP_MIB_COUNTERS BIT(1)
55 #define AR8XXX_NUM_PHYS 5
57 static void ar8216_set_mirror_regs(struct ar8xxx_priv
*priv
);
58 static void ar8327_set_mirror_regs(struct ar8xxx_priv
*priv
);
61 AR8XXX_VER_AR8216
= 0x01,
62 AR8XXX_VER_AR8236
= 0x03,
63 AR8XXX_VER_AR8316
= 0x10,
64 AR8XXX_VER_AR8327
= 0x12,
65 AR8XXX_VER_AR8337
= 0x13,
68 struct ar8xxx_mib_desc
{
79 int (*hw_init
)(struct ar8xxx_priv
*priv
);
80 void (*cleanup
)(struct ar8xxx_priv
*priv
);
82 void (*init_globals
)(struct ar8xxx_priv
*priv
);
83 void (*init_port
)(struct ar8xxx_priv
*priv
, int port
);
84 void (*setup_port
)(struct ar8xxx_priv
*priv
, int port
, u32 members
);
85 u32 (*read_port_status
)(struct ar8xxx_priv
*priv
, int port
);
86 int (*atu_flush
)(struct ar8xxx_priv
*priv
);
87 void (*vtu_flush
)(struct ar8xxx_priv
*priv
);
88 void (*vtu_load_vlan
)(struct ar8xxx_priv
*priv
, u32 vid
, u32 port_mask
);
89 void (*phy_fixup
)(struct ar8xxx_priv
*priv
, int phy
);
90 void (*set_mirror_regs
)(struct ar8xxx_priv
*priv
);
92 const struct ar8xxx_mib_desc
*mib_decs
;
97 enum ar8327_led_pattern
{
98 AR8327_LED_PATTERN_OFF
= 0,
99 AR8327_LED_PATTERN_BLINK
,
100 AR8327_LED_PATTERN_ON
,
101 AR8327_LED_PATTERN_RULE
,
104 struct ar8327_led_entry
{
110 struct led_classdev cdev
;
111 struct ar8xxx_priv
*sw_priv
;
116 enum ar8327_led_mode mode
;
120 struct work_struct led_work
;
122 enum ar8327_led_pattern pattern
;
129 struct ar8327_led
**leds
;
130 unsigned int num_leds
;
134 struct switch_dev dev
;
135 struct mii_bus
*mii_bus
;
136 struct phy_device
*phy
;
138 u32 (*read
)(struct ar8xxx_priv
*priv
, int reg
);
139 void (*write
)(struct ar8xxx_priv
*priv
, int reg
, u32 val
);
140 u32 (*rmw
)(struct ar8xxx_priv
*priv
, int reg
, u32 mask
, u32 val
);
142 int (*get_port_link
)(unsigned port
);
144 const struct net_device_ops
*ndo_old
;
145 struct net_device_ops ndo
;
146 struct mutex reg_mutex
;
149 const struct ar8xxx_chip
*chip
;
157 struct mutex mib_lock
;
158 struct delayed_work mib_work
;
162 struct list_head list
;
163 unsigned int use_count
;
165 /* all fields below are cleared on reset */
167 u16 vlan_id
[AR8X16_MAX_VLANS
];
168 u8 vlan_table
[AR8X16_MAX_VLANS
];
170 u16 pvid
[AR8X16_MAX_PORTS
];
179 #define MIB_DESC(_s , _o, _n) \
186 static const struct ar8xxx_mib_desc ar8216_mibs
[] = {
187 MIB_DESC(1, AR8216_STATS_RXBROAD
, "RxBroad"),
188 MIB_DESC(1, AR8216_STATS_RXPAUSE
, "RxPause"),
189 MIB_DESC(1, AR8216_STATS_RXMULTI
, "RxMulti"),
190 MIB_DESC(1, AR8216_STATS_RXFCSERR
, "RxFcsErr"),
191 MIB_DESC(1, AR8216_STATS_RXALIGNERR
, "RxAlignErr"),
192 MIB_DESC(1, AR8216_STATS_RXRUNT
, "RxRunt"),
193 MIB_DESC(1, AR8216_STATS_RXFRAGMENT
, "RxFragment"),
194 MIB_DESC(1, AR8216_STATS_RX64BYTE
, "Rx64Byte"),
195 MIB_DESC(1, AR8216_STATS_RX128BYTE
, "Rx128Byte"),
196 MIB_DESC(1, AR8216_STATS_RX256BYTE
, "Rx256Byte"),
197 MIB_DESC(1, AR8216_STATS_RX512BYTE
, "Rx512Byte"),
198 MIB_DESC(1, AR8216_STATS_RX1024BYTE
, "Rx1024Byte"),
199 MIB_DESC(1, AR8216_STATS_RXMAXBYTE
, "RxMaxByte"),
200 MIB_DESC(1, AR8216_STATS_RXTOOLONG
, "RxTooLong"),
201 MIB_DESC(2, AR8216_STATS_RXGOODBYTE
, "RxGoodByte"),
202 MIB_DESC(2, AR8216_STATS_RXBADBYTE
, "RxBadByte"),
203 MIB_DESC(1, AR8216_STATS_RXOVERFLOW
, "RxOverFlow"),
204 MIB_DESC(1, AR8216_STATS_FILTERED
, "Filtered"),
205 MIB_DESC(1, AR8216_STATS_TXBROAD
, "TxBroad"),
206 MIB_DESC(1, AR8216_STATS_TXPAUSE
, "TxPause"),
207 MIB_DESC(1, AR8216_STATS_TXMULTI
, "TxMulti"),
208 MIB_DESC(1, AR8216_STATS_TXUNDERRUN
, "TxUnderRun"),
209 MIB_DESC(1, AR8216_STATS_TX64BYTE
, "Tx64Byte"),
210 MIB_DESC(1, AR8216_STATS_TX128BYTE
, "Tx128Byte"),
211 MIB_DESC(1, AR8216_STATS_TX256BYTE
, "Tx256Byte"),
212 MIB_DESC(1, AR8216_STATS_TX512BYTE
, "Tx512Byte"),
213 MIB_DESC(1, AR8216_STATS_TX1024BYTE
, "Tx1024Byte"),
214 MIB_DESC(1, AR8216_STATS_TXMAXBYTE
, "TxMaxByte"),
215 MIB_DESC(1, AR8216_STATS_TXOVERSIZE
, "TxOverSize"),
216 MIB_DESC(2, AR8216_STATS_TXBYTE
, "TxByte"),
217 MIB_DESC(1, AR8216_STATS_TXCOLLISION
, "TxCollision"),
218 MIB_DESC(1, AR8216_STATS_TXABORTCOL
, "TxAbortCol"),
219 MIB_DESC(1, AR8216_STATS_TXMULTICOL
, "TxMultiCol"),
220 MIB_DESC(1, AR8216_STATS_TXSINGLECOL
, "TxSingleCol"),
221 MIB_DESC(1, AR8216_STATS_TXEXCDEFER
, "TxExcDefer"),
222 MIB_DESC(1, AR8216_STATS_TXDEFER
, "TxDefer"),
223 MIB_DESC(1, AR8216_STATS_TXLATECOL
, "TxLateCol"),
226 static const struct ar8xxx_mib_desc ar8236_mibs
[] = {
227 MIB_DESC(1, AR8236_STATS_RXBROAD
, "RxBroad"),
228 MIB_DESC(1, AR8236_STATS_RXPAUSE
, "RxPause"),
229 MIB_DESC(1, AR8236_STATS_RXMULTI
, "RxMulti"),
230 MIB_DESC(1, AR8236_STATS_RXFCSERR
, "RxFcsErr"),
231 MIB_DESC(1, AR8236_STATS_RXALIGNERR
, "RxAlignErr"),
232 MIB_DESC(1, AR8236_STATS_RXRUNT
, "RxRunt"),
233 MIB_DESC(1, AR8236_STATS_RXFRAGMENT
, "RxFragment"),
234 MIB_DESC(1, AR8236_STATS_RX64BYTE
, "Rx64Byte"),
235 MIB_DESC(1, AR8236_STATS_RX128BYTE
, "Rx128Byte"),
236 MIB_DESC(1, AR8236_STATS_RX256BYTE
, "Rx256Byte"),
237 MIB_DESC(1, AR8236_STATS_RX512BYTE
, "Rx512Byte"),
238 MIB_DESC(1, AR8236_STATS_RX1024BYTE
, "Rx1024Byte"),
239 MIB_DESC(1, AR8236_STATS_RX1518BYTE
, "Rx1518Byte"),
240 MIB_DESC(1, AR8236_STATS_RXMAXBYTE
, "RxMaxByte"),
241 MIB_DESC(1, AR8236_STATS_RXTOOLONG
, "RxTooLong"),
242 MIB_DESC(2, AR8236_STATS_RXGOODBYTE
, "RxGoodByte"),
243 MIB_DESC(2, AR8236_STATS_RXBADBYTE
, "RxBadByte"),
244 MIB_DESC(1, AR8236_STATS_RXOVERFLOW
, "RxOverFlow"),
245 MIB_DESC(1, AR8236_STATS_FILTERED
, "Filtered"),
246 MIB_DESC(1, AR8236_STATS_TXBROAD
, "TxBroad"),
247 MIB_DESC(1, AR8236_STATS_TXPAUSE
, "TxPause"),
248 MIB_DESC(1, AR8236_STATS_TXMULTI
, "TxMulti"),
249 MIB_DESC(1, AR8236_STATS_TXUNDERRUN
, "TxUnderRun"),
250 MIB_DESC(1, AR8236_STATS_TX64BYTE
, "Tx64Byte"),
251 MIB_DESC(1, AR8236_STATS_TX128BYTE
, "Tx128Byte"),
252 MIB_DESC(1, AR8236_STATS_TX256BYTE
, "Tx256Byte"),
253 MIB_DESC(1, AR8236_STATS_TX512BYTE
, "Tx512Byte"),
254 MIB_DESC(1, AR8236_STATS_TX1024BYTE
, "Tx1024Byte"),
255 MIB_DESC(1, AR8236_STATS_TX1518BYTE
, "Tx1518Byte"),
256 MIB_DESC(1, AR8236_STATS_TXMAXBYTE
, "TxMaxByte"),
257 MIB_DESC(1, AR8236_STATS_TXOVERSIZE
, "TxOverSize"),
258 MIB_DESC(2, AR8236_STATS_TXBYTE
, "TxByte"),
259 MIB_DESC(1, AR8236_STATS_TXCOLLISION
, "TxCollision"),
260 MIB_DESC(1, AR8236_STATS_TXABORTCOL
, "TxAbortCol"),
261 MIB_DESC(1, AR8236_STATS_TXMULTICOL
, "TxMultiCol"),
262 MIB_DESC(1, AR8236_STATS_TXSINGLECOL
, "TxSingleCol"),
263 MIB_DESC(1, AR8236_STATS_TXEXCDEFER
, "TxExcDefer"),
264 MIB_DESC(1, AR8236_STATS_TXDEFER
, "TxDefer"),
265 MIB_DESC(1, AR8236_STATS_TXLATECOL
, "TxLateCol"),
268 static DEFINE_MUTEX(ar8xxx_dev_list_lock
);
269 static LIST_HEAD(ar8xxx_dev_list
);
271 static inline struct ar8xxx_priv
*
272 swdev_to_ar8xxx(struct switch_dev
*swdev
)
274 return container_of(swdev
, struct ar8xxx_priv
, dev
);
277 static inline bool ar8xxx_has_gige(struct ar8xxx_priv
*priv
)
279 return priv
->chip
->caps
& AR8XXX_CAP_GIGE
;
282 static inline bool ar8xxx_has_mib_counters(struct ar8xxx_priv
*priv
)
284 return priv
->chip
->caps
& AR8XXX_CAP_MIB_COUNTERS
;
287 static inline bool chip_is_ar8216(struct ar8xxx_priv
*priv
)
289 return priv
->chip_ver
== AR8XXX_VER_AR8216
;
292 static inline bool chip_is_ar8236(struct ar8xxx_priv
*priv
)
294 return priv
->chip_ver
== AR8XXX_VER_AR8236
;
297 static inline bool chip_is_ar8316(struct ar8xxx_priv
*priv
)
299 return priv
->chip_ver
== AR8XXX_VER_AR8316
;
302 static inline bool chip_is_ar8327(struct ar8xxx_priv
*priv
)
304 return priv
->chip_ver
== AR8XXX_VER_AR8327
;
307 static inline bool chip_is_ar8337(struct ar8xxx_priv
*priv
)
309 return priv
->chip_ver
== AR8XXX_VER_AR8337
;
313 split_addr(u32 regaddr
, u16
*r1
, u16
*r2
, u16
*page
)
316 *r1
= regaddr
& 0x1e;
322 *page
= regaddr
& 0x1ff;
325 /* inspired by phy_poll_reset in drivers/net/phy/phy_device.c */
327 ar8xxx_phy_poll_reset(struct mii_bus
*bus
)
329 unsigned int sleep_msecs
= 20;
332 for (elapsed
= sleep_msecs
; elapsed
<= 600;
333 elapsed
+= sleep_msecs
) {
335 for (i
= 0; i
< AR8XXX_NUM_PHYS
; i
++) {
336 ret
= mdiobus_read(bus
, i
, MII_BMCR
);
339 if (ret
& BMCR_RESET
)
341 if (i
== AR8XXX_NUM_PHYS
- 1) {
342 usleep_range(1000, 2000);
351 ar8xxx_phy_check_aneg(struct phy_device
*phydev
)
355 if (phydev
->autoneg
!= AUTONEG_ENABLE
)
358 * BMCR_ANENABLE might have been cleared
359 * by phy_init_hw in certain kernel versions
360 * therefore check for it
362 ret
= phy_read(phydev
, MII_BMCR
);
365 if (ret
& BMCR_ANENABLE
)
368 dev_info(&phydev
->dev
, "ANEG disabled, re-enabling ...\n");
369 ret
|= BMCR_ANENABLE
| BMCR_ANRESTART
;
370 return phy_write(phydev
, MII_BMCR
, ret
);
374 ar8xxx_phy_init(struct ar8xxx_priv
*priv
)
380 for (i
= 0; i
< AR8XXX_NUM_PHYS
; i
++) {
381 if (priv
->chip
->phy_fixup
)
382 priv
->chip
->phy_fixup(priv
, i
);
384 /* initialize the port itself */
385 mdiobus_write(bus
, i
, MII_ADVERTISE
,
386 ADVERTISE_ALL
| ADVERTISE_PAUSE_CAP
| ADVERTISE_PAUSE_ASYM
);
387 if (ar8xxx_has_gige(priv
))
388 mdiobus_write(bus
, i
, MII_CTRL1000
, ADVERTISE_1000FULL
);
389 mdiobus_write(bus
, i
, MII_BMCR
, BMCR_RESET
| BMCR_ANENABLE
);
392 ar8xxx_phy_poll_reset(bus
);
396 ar8xxx_mii_read(struct ar8xxx_priv
*priv
, int reg
)
398 struct mii_bus
*bus
= priv
->mii_bus
;
402 split_addr((u32
) reg
, &r1
, &r2
, &page
);
404 mutex_lock(&bus
->mdio_lock
);
406 bus
->write(bus
, 0x18, 0, page
);
407 usleep_range(1000, 2000); /* wait for the page switch to propagate */
408 lo
= bus
->read(bus
, 0x10 | r2
, r1
);
409 hi
= bus
->read(bus
, 0x10 | r2
, r1
+ 1);
411 mutex_unlock(&bus
->mdio_lock
);
413 return (hi
<< 16) | lo
;
417 ar8xxx_mii_write(struct ar8xxx_priv
*priv
, int reg
, u32 val
)
419 struct mii_bus
*bus
= priv
->mii_bus
;
423 split_addr((u32
) reg
, &r1
, &r2
, &r3
);
425 hi
= (u16
) (val
>> 16);
427 mutex_lock(&bus
->mdio_lock
);
429 bus
->write(bus
, 0x18, 0, r3
);
430 usleep_range(1000, 2000); /* wait for the page switch to propagate */
431 if (priv
->chip
->mii_lo_first
) {
432 bus
->write(bus
, 0x10 | r2
, r1
, lo
);
433 bus
->write(bus
, 0x10 | r2
, r1
+ 1, hi
);
435 bus
->write(bus
, 0x10 | r2
, r1
+ 1, hi
);
436 bus
->write(bus
, 0x10 | r2
, r1
, lo
);
439 mutex_unlock(&bus
->mdio_lock
);
443 ar8xxx_mii_rmw(struct ar8xxx_priv
*priv
, int reg
, u32 mask
, u32 val
)
445 struct mii_bus
*bus
= priv
->mii_bus
;
450 split_addr((u32
) reg
, &r1
, &r2
, &page
);
452 mutex_lock(&bus
->mdio_lock
);
454 bus
->write(bus
, 0x18, 0, page
);
455 usleep_range(1000, 2000); /* wait for the page switch to propagate */
457 lo
= bus
->read(bus
, 0x10 | r2
, r1
);
458 hi
= bus
->read(bus
, 0x10 | r2
, r1
+ 1);
465 hi
= (u16
) (ret
>> 16);
467 if (priv
->chip
->mii_lo_first
) {
468 bus
->write(bus
, 0x10 | r2
, r1
, lo
);
469 bus
->write(bus
, 0x10 | r2
, r1
+ 1, hi
);
471 bus
->write(bus
, 0x10 | r2
, r1
+ 1, hi
);
472 bus
->write(bus
, 0x10 | r2
, r1
, lo
);
475 mutex_unlock(&bus
->mdio_lock
);
482 ar8xxx_phy_dbg_write(struct ar8xxx_priv
*priv
, int phy_addr
,
483 u16 dbg_addr
, u16 dbg_data
)
485 struct mii_bus
*bus
= priv
->mii_bus
;
487 mutex_lock(&bus
->mdio_lock
);
488 bus
->write(bus
, phy_addr
, MII_ATH_DBG_ADDR
, dbg_addr
);
489 bus
->write(bus
, phy_addr
, MII_ATH_DBG_DATA
, dbg_data
);
490 mutex_unlock(&bus
->mdio_lock
);
494 ar8xxx_phy_mmd_write(struct ar8xxx_priv
*priv
, int phy_addr
, u16 addr
, u16 data
)
496 struct mii_bus
*bus
= priv
->mii_bus
;
498 mutex_lock(&bus
->mdio_lock
);
499 bus
->write(bus
, phy_addr
, MII_ATH_MMD_ADDR
, addr
);
500 bus
->write(bus
, phy_addr
, MII_ATH_MMD_DATA
, data
);
501 mutex_unlock(&bus
->mdio_lock
);
505 ar8xxx_rmw(struct ar8xxx_priv
*priv
, int reg
, u32 mask
, u32 val
)
507 return priv
->rmw(priv
, reg
, mask
, val
);
511 ar8xxx_reg_set(struct ar8xxx_priv
*priv
, int reg
, u32 val
)
513 priv
->rmw(priv
, reg
, 0, val
);
517 ar8xxx_reg_wait(struct ar8xxx_priv
*priv
, u32 reg
, u32 mask
, u32 val
,
522 for (i
= 0; i
< timeout
; i
++) {
525 t
= priv
->read(priv
, reg
);
526 if ((t
& mask
) == val
)
529 usleep_range(1000, 2000);
536 ar8xxx_mib_op(struct ar8xxx_priv
*priv
, u32 op
)
538 unsigned mib_func
= priv
->chip
->mib_func
;
541 lockdep_assert_held(&priv
->mib_lock
);
543 /* Capture the hardware statistics for all ports */
544 ar8xxx_rmw(priv
, mib_func
, AR8216_MIB_FUNC
, (op
<< AR8216_MIB_FUNC_S
));
546 /* Wait for the capturing to complete. */
547 ret
= ar8xxx_reg_wait(priv
, mib_func
, AR8216_MIB_BUSY
, 0, 10);
558 ar8xxx_mib_capture(struct ar8xxx_priv
*priv
)
560 return ar8xxx_mib_op(priv
, AR8216_MIB_FUNC_CAPTURE
);
564 ar8xxx_mib_flush(struct ar8xxx_priv
*priv
)
566 return ar8xxx_mib_op(priv
, AR8216_MIB_FUNC_FLUSH
);
570 ar8xxx_mib_fetch_port_stat(struct ar8xxx_priv
*priv
, int port
, bool flush
)
576 WARN_ON(port
>= priv
->dev
.ports
);
578 lockdep_assert_held(&priv
->mib_lock
);
580 if (chip_is_ar8327(priv
) || chip_is_ar8337(priv
))
581 base
= AR8327_REG_PORT_STATS_BASE(port
);
582 else if (chip_is_ar8236(priv
) ||
583 chip_is_ar8316(priv
))
584 base
= AR8236_REG_PORT_STATS_BASE(port
);
586 base
= AR8216_REG_PORT_STATS_BASE(port
);
588 mib_stats
= &priv
->mib_stats
[port
* priv
->chip
->num_mibs
];
589 for (i
= 0; i
< priv
->chip
->num_mibs
; i
++) {
590 const struct ar8xxx_mib_desc
*mib
;
593 mib
= &priv
->chip
->mib_decs
[i
];
594 t
= priv
->read(priv
, base
+ mib
->offset
);
595 if (mib
->size
== 2) {
598 hi
= priv
->read(priv
, base
+ mib
->offset
+ 4);
610 ar8216_read_port_link(struct ar8xxx_priv
*priv
, int port
,
611 struct switch_port_link
*link
)
616 memset(link
, '\0', sizeof(*link
));
618 status
= priv
->chip
->read_port_status(priv
, port
);
620 link
->aneg
= !!(status
& AR8216_PORT_STATUS_LINK_AUTO
);
622 link
->link
= !!(status
& AR8216_PORT_STATUS_LINK_UP
);
626 if (priv
->get_port_link
) {
629 err
= priv
->get_port_link(port
);
638 link
->duplex
= !!(status
& AR8216_PORT_STATUS_DUPLEX
);
639 link
->tx_flow
= !!(status
& AR8216_PORT_STATUS_TXFLOW
);
640 link
->rx_flow
= !!(status
& AR8216_PORT_STATUS_RXFLOW
);
642 speed
= (status
& AR8216_PORT_STATUS_SPEED
) >>
643 AR8216_PORT_STATUS_SPEED_S
;
646 case AR8216_PORT_SPEED_10M
:
647 link
->speed
= SWITCH_PORT_SPEED_10
;
649 case AR8216_PORT_SPEED_100M
:
650 link
->speed
= SWITCH_PORT_SPEED_100
;
652 case AR8216_PORT_SPEED_1000M
:
653 link
->speed
= SWITCH_PORT_SPEED_1000
;
656 link
->speed
= SWITCH_PORT_SPEED_UNKNOWN
;
661 static struct sk_buff
*
662 ar8216_mangle_tx(struct net_device
*dev
, struct sk_buff
*skb
)
664 struct ar8xxx_priv
*priv
= dev
->phy_ptr
;
673 if (unlikely(skb_headroom(skb
) < 2)) {
674 if (pskb_expand_head(skb
, 2, 0, GFP_ATOMIC
) < 0)
678 buf
= skb_push(skb
, 2);
686 dev_kfree_skb_any(skb
);
691 ar8216_mangle_rx(struct net_device
*dev
, struct sk_buff
*skb
)
693 struct ar8xxx_priv
*priv
;
701 /* don't strip the header if vlan mode is disabled */
705 /* strip header, get vlan id */
709 /* check for vlan header presence */
710 if ((buf
[12 + 2] != 0x81) || (buf
[13 + 2] != 0x00))
715 /* no need to fix up packets coming from a tagged source */
716 if (priv
->vlan_tagged
& (1 << port
))
719 /* lookup port vid from local table, the switch passes an invalid vlan id */
720 vlan
= priv
->vlan_id
[priv
->pvid
[port
]];
723 buf
[14 + 2] |= vlan
>> 8;
724 buf
[15 + 2] = vlan
& 0xff;
728 ar8216_wait_bit(struct ar8xxx_priv
*priv
, int reg
, u32 mask
, u32 val
)
734 t
= priv
->read(priv
, reg
);
735 if ((t
& mask
) == val
)
744 pr_err("ar8216: timeout on reg %08x: %08x & %08x != %08x\n",
745 (unsigned int) reg
, t
, mask
, val
);
750 ar8216_vtu_op(struct ar8xxx_priv
*priv
, u32 op
, u32 val
)
752 if (ar8216_wait_bit(priv
, AR8216_REG_VTU
, AR8216_VTU_ACTIVE
, 0))
754 if ((op
& AR8216_VTU_OP
) == AR8216_VTU_OP_LOAD
) {
755 val
&= AR8216_VTUDATA_MEMBER
;
756 val
|= AR8216_VTUDATA_VALID
;
757 priv
->write(priv
, AR8216_REG_VTU_DATA
, val
);
759 op
|= AR8216_VTU_ACTIVE
;
760 priv
->write(priv
, AR8216_REG_VTU
, op
);
764 ar8216_vtu_flush(struct ar8xxx_priv
*priv
)
766 ar8216_vtu_op(priv
, AR8216_VTU_OP_FLUSH
, 0);
770 ar8216_vtu_load_vlan(struct ar8xxx_priv
*priv
, u32 vid
, u32 port_mask
)
774 op
= AR8216_VTU_OP_LOAD
| (vid
<< AR8216_VTU_VID_S
);
775 ar8216_vtu_op(priv
, op
, port_mask
);
779 ar8216_atu_flush(struct ar8xxx_priv
*priv
)
783 ret
= ar8216_wait_bit(priv
, AR8216_REG_ATU
, AR8216_ATU_ACTIVE
, 0);
785 priv
->write(priv
, AR8216_REG_ATU
, AR8216_ATU_OP_FLUSH
);
791 ar8216_read_port_status(struct ar8xxx_priv
*priv
, int port
)
793 return priv
->read(priv
, AR8216_REG_PORT_STATUS(port
));
797 ar8216_setup_port(struct ar8xxx_priv
*priv
, int port
, u32 members
)
804 pvid
= priv
->vlan_id
[priv
->pvid
[port
]];
805 if (priv
->vlan_tagged
& (1 << port
))
806 egress
= AR8216_OUT_ADD_VLAN
;
808 egress
= AR8216_OUT_STRIP_VLAN
;
809 ingress
= AR8216_IN_SECURE
;
812 egress
= AR8216_OUT_KEEP
;
813 ingress
= AR8216_IN_PORT_ONLY
;
816 if (chip_is_ar8216(priv
) && priv
->vlan
&& port
== AR8216_PORT_CPU
)
817 header
= AR8216_PORT_CTRL_HEADER
;
821 ar8xxx_rmw(priv
, AR8216_REG_PORT_CTRL(port
),
822 AR8216_PORT_CTRL_LEARN
| AR8216_PORT_CTRL_VLAN_MODE
|
823 AR8216_PORT_CTRL_SINGLE_VLAN
| AR8216_PORT_CTRL_STATE
|
824 AR8216_PORT_CTRL_HEADER
| AR8216_PORT_CTRL_LEARN_LOCK
,
825 AR8216_PORT_CTRL_LEARN
| header
|
826 (egress
<< AR8216_PORT_CTRL_VLAN_MODE_S
) |
827 (AR8216_PORT_STATE_FORWARD
<< AR8216_PORT_CTRL_STATE_S
));
829 ar8xxx_rmw(priv
, AR8216_REG_PORT_VLAN(port
),
830 AR8216_PORT_VLAN_DEST_PORTS
| AR8216_PORT_VLAN_MODE
|
831 AR8216_PORT_VLAN_DEFAULT_ID
,
832 (members
<< AR8216_PORT_VLAN_DEST_PORTS_S
) |
833 (ingress
<< AR8216_PORT_VLAN_MODE_S
) |
834 (pvid
<< AR8216_PORT_VLAN_DEFAULT_ID_S
));
838 ar8216_hw_init(struct ar8xxx_priv
*priv
)
840 if (priv
->initialized
)
843 ar8xxx_phy_init(priv
);
845 priv
->initialized
= true;
850 ar8216_init_globals(struct ar8xxx_priv
*priv
)
852 /* standard atheros magic */
853 priv
->write(priv
, 0x38, 0xc000050e);
855 ar8xxx_rmw(priv
, AR8216_REG_GLOBAL_CTRL
,
856 AR8216_GCTRL_MTU
, 1518 + 8 + 2);
860 ar8216_init_port(struct ar8xxx_priv
*priv
, int port
)
862 /* Enable port learning and tx */
863 priv
->write(priv
, AR8216_REG_PORT_CTRL(port
),
864 AR8216_PORT_CTRL_LEARN
|
865 (4 << AR8216_PORT_CTRL_STATE_S
));
867 priv
->write(priv
, AR8216_REG_PORT_VLAN(port
), 0);
869 if (port
== AR8216_PORT_CPU
) {
870 priv
->write(priv
, AR8216_REG_PORT_STATUS(port
),
871 AR8216_PORT_STATUS_LINK_UP
|
872 (ar8xxx_has_gige(priv
) ?
873 AR8216_PORT_SPEED_1000M
: AR8216_PORT_SPEED_100M
) |
874 AR8216_PORT_STATUS_TXMAC
|
875 AR8216_PORT_STATUS_RXMAC
|
876 (chip_is_ar8316(priv
) ? AR8216_PORT_STATUS_RXFLOW
: 0) |
877 (chip_is_ar8316(priv
) ? AR8216_PORT_STATUS_TXFLOW
: 0) |
878 AR8216_PORT_STATUS_DUPLEX
);
880 priv
->write(priv
, AR8216_REG_PORT_STATUS(port
),
881 AR8216_PORT_STATUS_LINK_AUTO
);
885 static const struct ar8xxx_chip ar8216_chip
= {
886 .caps
= AR8XXX_CAP_MIB_COUNTERS
,
888 .hw_init
= ar8216_hw_init
,
889 .init_globals
= ar8216_init_globals
,
890 .init_port
= ar8216_init_port
,
891 .setup_port
= ar8216_setup_port
,
892 .read_port_status
= ar8216_read_port_status
,
893 .atu_flush
= ar8216_atu_flush
,
894 .vtu_flush
= ar8216_vtu_flush
,
895 .vtu_load_vlan
= ar8216_vtu_load_vlan
,
896 .set_mirror_regs
= ar8216_set_mirror_regs
,
898 .num_mibs
= ARRAY_SIZE(ar8216_mibs
),
899 .mib_decs
= ar8216_mibs
,
900 .mib_func
= AR8216_REG_MIB_FUNC
904 ar8236_setup_port(struct ar8xxx_priv
*priv
, int port
, u32 members
)
910 pvid
= priv
->vlan_id
[priv
->pvid
[port
]];
911 if (priv
->vlan_tagged
& (1 << port
))
912 egress
= AR8216_OUT_ADD_VLAN
;
914 egress
= AR8216_OUT_STRIP_VLAN
;
915 ingress
= AR8216_IN_SECURE
;
918 egress
= AR8216_OUT_KEEP
;
919 ingress
= AR8216_IN_PORT_ONLY
;
922 ar8xxx_rmw(priv
, AR8216_REG_PORT_CTRL(port
),
923 AR8216_PORT_CTRL_LEARN
| AR8216_PORT_CTRL_VLAN_MODE
|
924 AR8216_PORT_CTRL_SINGLE_VLAN
| AR8216_PORT_CTRL_STATE
|
925 AR8216_PORT_CTRL_HEADER
| AR8216_PORT_CTRL_LEARN_LOCK
,
926 AR8216_PORT_CTRL_LEARN
|
927 (egress
<< AR8216_PORT_CTRL_VLAN_MODE_S
) |
928 (AR8216_PORT_STATE_FORWARD
<< AR8216_PORT_CTRL_STATE_S
));
930 ar8xxx_rmw(priv
, AR8236_REG_PORT_VLAN(port
),
931 AR8236_PORT_VLAN_DEFAULT_ID
,
932 (pvid
<< AR8236_PORT_VLAN_DEFAULT_ID_S
));
934 ar8xxx_rmw(priv
, AR8236_REG_PORT_VLAN2(port
),
935 AR8236_PORT_VLAN2_VLAN_MODE
|
936 AR8236_PORT_VLAN2_MEMBER
,
937 (ingress
<< AR8236_PORT_VLAN2_VLAN_MODE_S
) |
938 (members
<< AR8236_PORT_VLAN2_MEMBER_S
));
942 ar8236_init_globals(struct ar8xxx_priv
*priv
)
944 /* enable jumbo frames */
945 ar8xxx_rmw(priv
, AR8216_REG_GLOBAL_CTRL
,
946 AR8316_GCTRL_MTU
, 9018 + 8 + 2);
948 /* Enable MIB counters */
949 ar8xxx_rmw(priv
, AR8216_REG_MIB_FUNC
, AR8216_MIB_FUNC
| AR8236_MIB_EN
,
950 (AR8216_MIB_FUNC_NO_OP
<< AR8216_MIB_FUNC_S
) |
954 static const struct ar8xxx_chip ar8236_chip
= {
955 .caps
= AR8XXX_CAP_MIB_COUNTERS
,
956 .hw_init
= ar8216_hw_init
,
957 .init_globals
= ar8236_init_globals
,
958 .init_port
= ar8216_init_port
,
959 .setup_port
= ar8236_setup_port
,
960 .read_port_status
= ar8216_read_port_status
,
961 .atu_flush
= ar8216_atu_flush
,
962 .vtu_flush
= ar8216_vtu_flush
,
963 .vtu_load_vlan
= ar8216_vtu_load_vlan
,
964 .set_mirror_regs
= ar8216_set_mirror_regs
,
966 .num_mibs
= ARRAY_SIZE(ar8236_mibs
),
967 .mib_decs
= ar8236_mibs
,
968 .mib_func
= AR8216_REG_MIB_FUNC
972 ar8316_hw_init(struct ar8xxx_priv
*priv
)
976 val
= priv
->read(priv
, AR8316_REG_POSTRIP
);
978 if (priv
->phy
->interface
== PHY_INTERFACE_MODE_RGMII
) {
979 if (priv
->port4_phy
) {
980 /* value taken from Ubiquiti RouterStation Pro */
982 pr_info("ar8316: Using port 4 as PHY\n");
985 pr_info("ar8316: Using port 4 as switch port\n");
987 } else if (priv
->phy
->interface
== PHY_INTERFACE_MODE_GMII
) {
988 /* value taken from AVM Fritz!Box 7390 sources */
991 /* no known value for phy interface */
992 pr_err("ar8316: unsupported mii mode: %d.\n",
993 priv
->phy
->interface
);
1000 priv
->write(priv
, AR8316_REG_POSTRIP
, newval
);
1002 if (priv
->port4_phy
&&
1003 priv
->phy
->interface
== PHY_INTERFACE_MODE_RGMII
) {
1004 /* work around for phy4 rgmii mode */
1005 ar8xxx_phy_dbg_write(priv
, 4, 0x12, 0x480c);
1007 ar8xxx_phy_dbg_write(priv
, 4, 0x0, 0x824e);
1009 ar8xxx_phy_dbg_write(priv
, 4, 0x5, 0x3d47);
1013 ar8xxx_phy_init(priv
);
1016 priv
->initialized
= true;
1021 ar8316_init_globals(struct ar8xxx_priv
*priv
)
1023 /* standard atheros magic */
1024 priv
->write(priv
, 0x38, 0xc000050e);
1026 /* enable cpu port to receive multicast and broadcast frames */
1027 priv
->write(priv
, AR8216_REG_FLOOD_MASK
, 0x003f003f);
1029 /* enable jumbo frames */
1030 ar8xxx_rmw(priv
, AR8216_REG_GLOBAL_CTRL
,
1031 AR8316_GCTRL_MTU
, 9018 + 8 + 2);
1033 /* Enable MIB counters */
1034 ar8xxx_rmw(priv
, AR8216_REG_MIB_FUNC
, AR8216_MIB_FUNC
| AR8236_MIB_EN
,
1035 (AR8216_MIB_FUNC_NO_OP
<< AR8216_MIB_FUNC_S
) |
1039 static const struct ar8xxx_chip ar8316_chip
= {
1040 .caps
= AR8XXX_CAP_GIGE
| AR8XXX_CAP_MIB_COUNTERS
,
1041 .hw_init
= ar8316_hw_init
,
1042 .init_globals
= ar8316_init_globals
,
1043 .init_port
= ar8216_init_port
,
1044 .setup_port
= ar8216_setup_port
,
1045 .read_port_status
= ar8216_read_port_status
,
1046 .atu_flush
= ar8216_atu_flush
,
1047 .vtu_flush
= ar8216_vtu_flush
,
1048 .vtu_load_vlan
= ar8216_vtu_load_vlan
,
1049 .set_mirror_regs
= ar8216_set_mirror_regs
,
1051 .num_mibs
= ARRAY_SIZE(ar8236_mibs
),
1052 .mib_decs
= ar8236_mibs
,
1053 .mib_func
= AR8216_REG_MIB_FUNC
1057 ar8327_get_pad_cfg(struct ar8327_pad_cfg
*cfg
)
1065 switch (cfg
->mode
) {
1069 case AR8327_PAD_MAC2MAC_MII
:
1070 t
= AR8327_PAD_MAC_MII_EN
;
1072 t
|= AR8327_PAD_MAC_MII_RXCLK_SEL
;
1074 t
|= AR8327_PAD_MAC_MII_TXCLK_SEL
;
1077 case AR8327_PAD_MAC2MAC_GMII
:
1078 t
= AR8327_PAD_MAC_GMII_EN
;
1080 t
|= AR8327_PAD_MAC_GMII_RXCLK_SEL
;
1082 t
|= AR8327_PAD_MAC_GMII_TXCLK_SEL
;
1085 case AR8327_PAD_MAC_SGMII
:
1086 t
= AR8327_PAD_SGMII_EN
;
1089 * WAR for the QUalcomm Atheros AP136 board.
1090 * It seems that RGMII TX/RX delay settings needs to be
1091 * applied for SGMII mode as well, The ethernet is not
1092 * reliable without this.
1094 t
|= cfg
->txclk_delay_sel
<< AR8327_PAD_RGMII_TXCLK_DELAY_SEL_S
;
1095 t
|= cfg
->rxclk_delay_sel
<< AR8327_PAD_RGMII_RXCLK_DELAY_SEL_S
;
1096 if (cfg
->rxclk_delay_en
)
1097 t
|= AR8327_PAD_RGMII_RXCLK_DELAY_EN
;
1098 if (cfg
->txclk_delay_en
)
1099 t
|= AR8327_PAD_RGMII_TXCLK_DELAY_EN
;
1101 if (cfg
->sgmii_delay_en
)
1102 t
|= AR8327_PAD_SGMII_DELAY_EN
;
1106 case AR8327_PAD_MAC2PHY_MII
:
1107 t
= AR8327_PAD_PHY_MII_EN
;
1109 t
|= AR8327_PAD_PHY_MII_RXCLK_SEL
;
1111 t
|= AR8327_PAD_PHY_MII_TXCLK_SEL
;
1114 case AR8327_PAD_MAC2PHY_GMII
:
1115 t
= AR8327_PAD_PHY_GMII_EN
;
1116 if (cfg
->pipe_rxclk_sel
)
1117 t
|= AR8327_PAD_PHY_GMII_PIPE_RXCLK_SEL
;
1119 t
|= AR8327_PAD_PHY_GMII_RXCLK_SEL
;
1121 t
|= AR8327_PAD_PHY_GMII_TXCLK_SEL
;
1124 case AR8327_PAD_MAC_RGMII
:
1125 t
= AR8327_PAD_RGMII_EN
;
1126 t
|= cfg
->txclk_delay_sel
<< AR8327_PAD_RGMII_TXCLK_DELAY_SEL_S
;
1127 t
|= cfg
->rxclk_delay_sel
<< AR8327_PAD_RGMII_RXCLK_DELAY_SEL_S
;
1128 if (cfg
->rxclk_delay_en
)
1129 t
|= AR8327_PAD_RGMII_RXCLK_DELAY_EN
;
1130 if (cfg
->txclk_delay_en
)
1131 t
|= AR8327_PAD_RGMII_TXCLK_DELAY_EN
;
1134 case AR8327_PAD_PHY_GMII
:
1135 t
= AR8327_PAD_PHYX_GMII_EN
;
1138 case AR8327_PAD_PHY_RGMII
:
1139 t
= AR8327_PAD_PHYX_RGMII_EN
;
1142 case AR8327_PAD_PHY_MII
:
1143 t
= AR8327_PAD_PHYX_MII_EN
;
1151 ar8327_phy_fixup(struct ar8xxx_priv
*priv
, int phy
)
1153 switch (priv
->chip_rev
) {
1155 /* For 100M waveform */
1156 ar8xxx_phy_dbg_write(priv
, phy
, 0, 0x02ea);
1157 /* Turn on Gigabit clock */
1158 ar8xxx_phy_dbg_write(priv
, phy
, 0x3d, 0x68a0);
1162 ar8xxx_phy_mmd_write(priv
, phy
, 0x7, 0x3c);
1163 ar8xxx_phy_mmd_write(priv
, phy
, 0x4007, 0x0);
1166 ar8xxx_phy_mmd_write(priv
, phy
, 0x3, 0x800d);
1167 ar8xxx_phy_mmd_write(priv
, phy
, 0x4003, 0x803f);
1169 ar8xxx_phy_dbg_write(priv
, phy
, 0x3d, 0x6860);
1170 ar8xxx_phy_dbg_write(priv
, phy
, 0x5, 0x2c46);
1171 ar8xxx_phy_dbg_write(priv
, phy
, 0x3c, 0x6000);
1177 ar8327_get_port_init_status(struct ar8327_port_cfg
*cfg
)
1181 if (!cfg
->force_link
)
1182 return AR8216_PORT_STATUS_LINK_AUTO
;
1184 t
= AR8216_PORT_STATUS_TXMAC
| AR8216_PORT_STATUS_RXMAC
;
1185 t
|= cfg
->duplex
? AR8216_PORT_STATUS_DUPLEX
: 0;
1186 t
|= cfg
->rxpause
? AR8216_PORT_STATUS_RXFLOW
: 0;
1187 t
|= cfg
->txpause
? AR8216_PORT_STATUS_TXFLOW
: 0;
1189 switch (cfg
->speed
) {
1190 case AR8327_PORT_SPEED_10
:
1191 t
|= AR8216_PORT_SPEED_10M
;
1193 case AR8327_PORT_SPEED_100
:
1194 t
|= AR8216_PORT_SPEED_100M
;
1196 case AR8327_PORT_SPEED_1000
:
1197 t
|= AR8216_PORT_SPEED_1000M
;
1204 #define AR8327_LED_ENTRY(_num, _reg, _shift) \
1205 [_num] = { .reg = (_reg), .shift = (_shift) }
1207 static const struct ar8327_led_entry
1208 ar8327_led_map
[AR8327_NUM_LEDS
] = {
1209 AR8327_LED_ENTRY(AR8327_LED_PHY0_0
, 0, 14),
1210 AR8327_LED_ENTRY(AR8327_LED_PHY0_1
, 1, 14),
1211 AR8327_LED_ENTRY(AR8327_LED_PHY0_2
, 2, 14),
1213 AR8327_LED_ENTRY(AR8327_LED_PHY1_0
, 3, 8),
1214 AR8327_LED_ENTRY(AR8327_LED_PHY1_1
, 3, 10),
1215 AR8327_LED_ENTRY(AR8327_LED_PHY1_2
, 3, 12),
1217 AR8327_LED_ENTRY(AR8327_LED_PHY2_0
, 3, 14),
1218 AR8327_LED_ENTRY(AR8327_LED_PHY2_1
, 3, 16),
1219 AR8327_LED_ENTRY(AR8327_LED_PHY2_2
, 3, 18),
1221 AR8327_LED_ENTRY(AR8327_LED_PHY3_0
, 3, 20),
1222 AR8327_LED_ENTRY(AR8327_LED_PHY3_1
, 3, 22),
1223 AR8327_LED_ENTRY(AR8327_LED_PHY3_2
, 3, 24),
1225 AR8327_LED_ENTRY(AR8327_LED_PHY4_0
, 0, 30),
1226 AR8327_LED_ENTRY(AR8327_LED_PHY4_1
, 1, 30),
1227 AR8327_LED_ENTRY(AR8327_LED_PHY4_2
, 2, 30),
1231 ar8327_set_led_pattern(struct ar8xxx_priv
*priv
, unsigned int led_num
,
1232 enum ar8327_led_pattern pattern
)
1234 const struct ar8327_led_entry
*entry
;
1236 entry
= &ar8327_led_map
[led_num
];
1237 ar8xxx_rmw(priv
, AR8327_REG_LED_CTRL(entry
->reg
),
1238 (3 << entry
->shift
), pattern
<< entry
->shift
);
1242 ar8327_led_work_func(struct work_struct
*work
)
1244 struct ar8327_led
*aled
;
1247 aled
= container_of(work
, struct ar8327_led
, led_work
);
1249 spin_lock(&aled
->lock
);
1250 pattern
= aled
->pattern
;
1251 spin_unlock(&aled
->lock
);
1253 ar8327_set_led_pattern(aled
->sw_priv
, aled
->led_num
,
1258 ar8327_led_schedule_change(struct ar8327_led
*aled
, u8 pattern
)
1260 if (aled
->pattern
== pattern
)
1263 aled
->pattern
= pattern
;
1264 schedule_work(&aled
->led_work
);
1267 static inline struct ar8327_led
*
1268 led_cdev_to_ar8327_led(struct led_classdev
*led_cdev
)
1270 return container_of(led_cdev
, struct ar8327_led
, cdev
);
1274 ar8327_led_blink_set(struct led_classdev
*led_cdev
,
1275 unsigned long *delay_on
,
1276 unsigned long *delay_off
)
1278 struct ar8327_led
*aled
= led_cdev_to_ar8327_led(led_cdev
);
1280 if (*delay_on
== 0 && *delay_off
== 0) {
1285 if (*delay_on
!= 125 || *delay_off
!= 125) {
1287 * The hardware only supports blinking at 4Hz. Fall back
1288 * to software implementation in other cases.
1293 spin_lock(&aled
->lock
);
1295 aled
->enable_hw_mode
= false;
1296 ar8327_led_schedule_change(aled
, AR8327_LED_PATTERN_BLINK
);
1298 spin_unlock(&aled
->lock
);
1304 ar8327_led_set_brightness(struct led_classdev
*led_cdev
,
1305 enum led_brightness brightness
)
1307 struct ar8327_led
*aled
= led_cdev_to_ar8327_led(led_cdev
);
1311 active
= (brightness
!= LED_OFF
);
1312 active
^= aled
->active_low
;
1314 pattern
= (active
) ? AR8327_LED_PATTERN_ON
:
1315 AR8327_LED_PATTERN_OFF
;
1317 spin_lock(&aled
->lock
);
1319 aled
->enable_hw_mode
= false;
1320 ar8327_led_schedule_change(aled
, pattern
);
1322 spin_unlock(&aled
->lock
);
1326 ar8327_led_enable_hw_mode_show(struct device
*dev
,
1327 struct device_attribute
*attr
,
1330 struct led_classdev
*led_cdev
= dev_get_drvdata(dev
);
1331 struct ar8327_led
*aled
= led_cdev_to_ar8327_led(led_cdev
);
1334 spin_lock(&aled
->lock
);
1335 ret
+= sprintf(buf
, "%d\n", aled
->enable_hw_mode
);
1336 spin_unlock(&aled
->lock
);
1342 ar8327_led_enable_hw_mode_store(struct device
*dev
,
1343 struct device_attribute
*attr
,
1347 struct led_classdev
*led_cdev
= dev_get_drvdata(dev
);
1348 struct ar8327_led
*aled
= led_cdev_to_ar8327_led(led_cdev
);
1353 ret
= kstrtou8(buf
, 10, &value
);
1357 spin_lock(&aled
->lock
);
1359 aled
->enable_hw_mode
= !!value
;
1360 if (aled
->enable_hw_mode
)
1361 pattern
= AR8327_LED_PATTERN_RULE
;
1363 pattern
= AR8327_LED_PATTERN_OFF
;
1365 ar8327_led_schedule_change(aled
, pattern
);
1367 spin_unlock(&aled
->lock
);
1372 static DEVICE_ATTR(enable_hw_mode
, S_IRUGO
| S_IWUSR
,
1373 ar8327_led_enable_hw_mode_show
,
1374 ar8327_led_enable_hw_mode_store
);
1377 ar8327_led_register(struct ar8xxx_priv
*priv
, struct ar8327_led
*aled
)
1381 ret
= led_classdev_register(NULL
, &aled
->cdev
);
1385 if (aled
->mode
== AR8327_LED_MODE_HW
) {
1386 ret
= device_create_file(aled
->cdev
.dev
,
1387 &dev_attr_enable_hw_mode
);
1389 goto err_unregister
;
1395 led_classdev_unregister(&aled
->cdev
);
1400 ar8327_led_unregister(struct ar8327_led
*aled
)
1402 if (aled
->mode
== AR8327_LED_MODE_HW
)
1403 device_remove_file(aled
->cdev
.dev
, &dev_attr_enable_hw_mode
);
1405 led_classdev_unregister(&aled
->cdev
);
1406 cancel_work_sync(&aled
->led_work
);
1410 ar8327_led_create(struct ar8xxx_priv
*priv
,
1411 const struct ar8327_led_info
*led_info
)
1413 struct ar8327_data
*data
= priv
->chip_data
;
1414 struct ar8327_led
*aled
;
1417 if (!IS_ENABLED(CONFIG_AR8216_PHY_LEDS
))
1420 if (!led_info
->name
)
1423 if (led_info
->led_num
>= AR8327_NUM_LEDS
)
1426 aled
= kzalloc(sizeof(*aled
) + strlen(led_info
->name
) + 1,
1431 aled
->sw_priv
= priv
;
1432 aled
->led_num
= led_info
->led_num
;
1433 aled
->active_low
= led_info
->active_low
;
1434 aled
->mode
= led_info
->mode
;
1436 if (aled
->mode
== AR8327_LED_MODE_HW
)
1437 aled
->enable_hw_mode
= true;
1439 aled
->name
= (char *)(aled
+ 1);
1440 strcpy(aled
->name
, led_info
->name
);
1442 aled
->cdev
.name
= aled
->name
;
1443 aled
->cdev
.brightness_set
= ar8327_led_set_brightness
;
1444 aled
->cdev
.blink_set
= ar8327_led_blink_set
;
1445 aled
->cdev
.default_trigger
= led_info
->default_trigger
;
1447 spin_lock_init(&aled
->lock
);
1448 mutex_init(&aled
->mutex
);
1449 INIT_WORK(&aled
->led_work
, ar8327_led_work_func
);
1451 ret
= ar8327_led_register(priv
, aled
);
1455 data
->leds
[data
->num_leds
++] = aled
;
1465 ar8327_led_destroy(struct ar8327_led
*aled
)
1467 ar8327_led_unregister(aled
);
1472 ar8327_leds_init(struct ar8xxx_priv
*priv
)
1474 struct ar8327_data
*data
= priv
->chip_data
;
1477 if (!IS_ENABLED(CONFIG_AR8216_PHY_LEDS
))
1480 for (i
= 0; i
< data
->num_leds
; i
++) {
1481 struct ar8327_led
*aled
;
1483 aled
= data
->leds
[i
];
1485 if (aled
->enable_hw_mode
)
1486 aled
->pattern
= AR8327_LED_PATTERN_RULE
;
1488 aled
->pattern
= AR8327_LED_PATTERN_OFF
;
1490 ar8327_set_led_pattern(priv
, aled
->led_num
, aled
->pattern
);
1495 ar8327_leds_cleanup(struct ar8xxx_priv
*priv
)
1497 struct ar8327_data
*data
= priv
->chip_data
;
1500 if (!IS_ENABLED(CONFIG_AR8216_PHY_LEDS
))
1503 for (i
= 0; i
< data
->num_leds
; i
++) {
1504 struct ar8327_led
*aled
;
1506 aled
= data
->leds
[i
];
1507 ar8327_led_destroy(aled
);
1514 ar8327_hw_config_pdata(struct ar8xxx_priv
*priv
,
1515 struct ar8327_platform_data
*pdata
)
1517 struct ar8327_led_cfg
*led_cfg
;
1518 struct ar8327_data
*data
= priv
->chip_data
;
1525 priv
->get_port_link
= pdata
->get_port_link
;
1527 data
->port0_status
= ar8327_get_port_init_status(&pdata
->port0_cfg
);
1528 data
->port6_status
= ar8327_get_port_init_status(&pdata
->port6_cfg
);
1530 t
= ar8327_get_pad_cfg(pdata
->pad0_cfg
);
1531 if (chip_is_ar8337(priv
))
1532 t
|= AR8337_PAD_MAC06_EXCHANGE_EN
;
1534 priv
->write(priv
, AR8327_REG_PAD0_MODE
, t
);
1535 t
= ar8327_get_pad_cfg(pdata
->pad5_cfg
);
1536 priv
->write(priv
, AR8327_REG_PAD5_MODE
, t
);
1537 t
= ar8327_get_pad_cfg(pdata
->pad6_cfg
);
1538 priv
->write(priv
, AR8327_REG_PAD6_MODE
, t
);
1540 pos
= priv
->read(priv
, AR8327_REG_POWER_ON_STRIP
);
1543 led_cfg
= pdata
->led_cfg
;
1545 if (led_cfg
->open_drain
)
1546 new_pos
|= AR8327_POWER_ON_STRIP_LED_OPEN_EN
;
1548 new_pos
&= ~AR8327_POWER_ON_STRIP_LED_OPEN_EN
;
1550 priv
->write(priv
, AR8327_REG_LED_CTRL0
, led_cfg
->led_ctrl0
);
1551 priv
->write(priv
, AR8327_REG_LED_CTRL1
, led_cfg
->led_ctrl1
);
1552 priv
->write(priv
, AR8327_REG_LED_CTRL2
, led_cfg
->led_ctrl2
);
1553 priv
->write(priv
, AR8327_REG_LED_CTRL3
, led_cfg
->led_ctrl3
);
1556 new_pos
|= AR8327_POWER_ON_STRIP_POWER_ON_SEL
;
1559 if (pdata
->sgmii_cfg
) {
1560 t
= pdata
->sgmii_cfg
->sgmii_ctrl
;
1561 if (priv
->chip_rev
== 1)
1562 t
|= AR8327_SGMII_CTRL_EN_PLL
|
1563 AR8327_SGMII_CTRL_EN_RX
|
1564 AR8327_SGMII_CTRL_EN_TX
;
1566 t
&= ~(AR8327_SGMII_CTRL_EN_PLL
|
1567 AR8327_SGMII_CTRL_EN_RX
|
1568 AR8327_SGMII_CTRL_EN_TX
);
1570 priv
->write(priv
, AR8327_REG_SGMII_CTRL
, t
);
1572 if (pdata
->sgmii_cfg
->serdes_aen
)
1573 new_pos
&= ~AR8327_POWER_ON_STRIP_SERDES_AEN
;
1575 new_pos
|= AR8327_POWER_ON_STRIP_SERDES_AEN
;
1578 priv
->write(priv
, AR8327_REG_POWER_ON_STRIP
, new_pos
);
1580 if (pdata
->leds
&& pdata
->num_leds
) {
1583 data
->leds
= kzalloc(pdata
->num_leds
* sizeof(void *),
1588 for (i
= 0; i
< pdata
->num_leds
; i
++)
1589 ar8327_led_create(priv
, &pdata
->leds
[i
]);
1597 ar8327_hw_config_of(struct ar8xxx_priv
*priv
, struct device_node
*np
)
1599 struct ar8327_data
*data
= priv
->chip_data
;
1600 const __be32
*paddr
;
1604 paddr
= of_get_property(np
, "qca,ar8327-initvals", &len
);
1605 if (!paddr
|| len
< (2 * sizeof(*paddr
)))
1608 len
/= sizeof(*paddr
);
1610 for (i
= 0; i
< len
- 1; i
+= 2) {
1614 reg
= be32_to_cpup(paddr
+ i
);
1615 val
= be32_to_cpup(paddr
+ i
+ 1);
1618 case AR8327_REG_PORT_STATUS(0):
1619 data
->port0_status
= val
;
1621 case AR8327_REG_PORT_STATUS(6):
1622 data
->port6_status
= val
;
1625 priv
->write(priv
, reg
, val
);
1634 ar8327_hw_config_of(struct ar8xxx_priv
*priv
, struct device_node
*np
)
1641 ar8327_hw_init(struct ar8xxx_priv
*priv
)
1645 priv
->chip_data
= kzalloc(sizeof(struct ar8327_data
), GFP_KERNEL
);
1646 if (!priv
->chip_data
)
1649 if (priv
->phy
->dev
.of_node
)
1650 ret
= ar8327_hw_config_of(priv
, priv
->phy
->dev
.of_node
);
1652 ret
= ar8327_hw_config_pdata(priv
,
1653 priv
->phy
->dev
.platform_data
);
1658 ar8327_leds_init(priv
);
1660 ar8xxx_phy_init(priv
);
1666 ar8327_cleanup(struct ar8xxx_priv
*priv
)
1668 ar8327_leds_cleanup(priv
);
1672 ar8327_init_globals(struct ar8xxx_priv
*priv
)
1676 /* enable CPU port and disable mirror port */
1677 t
= AR8327_FWD_CTRL0_CPU_PORT_EN
|
1678 AR8327_FWD_CTRL0_MIRROR_PORT
;
1679 priv
->write(priv
, AR8327_REG_FWD_CTRL0
, t
);
1681 /* forward multicast and broadcast frames to CPU */
1682 t
= (AR8327_PORTS_ALL
<< AR8327_FWD_CTRL1_UC_FLOOD_S
) |
1683 (AR8327_PORTS_ALL
<< AR8327_FWD_CTRL1_MC_FLOOD_S
) |
1684 (AR8327_PORTS_ALL
<< AR8327_FWD_CTRL1_BC_FLOOD_S
);
1685 priv
->write(priv
, AR8327_REG_FWD_CTRL1
, t
);
1687 /* enable jumbo frames */
1688 ar8xxx_rmw(priv
, AR8327_REG_MAX_FRAME_SIZE
,
1689 AR8327_MAX_FRAME_SIZE_MTU
, 9018 + 8 + 2);
1691 /* Enable MIB counters */
1692 ar8xxx_reg_set(priv
, AR8327_REG_MODULE_EN
,
1693 AR8327_MODULE_EN_MIB
);
1695 /* Disable EEE on all ports due to stability issues */
1696 t
= priv
->read(priv
, AR8327_REG_EEE_CTRL
);
1697 t
|= AR8327_EEE_CTRL_DISABLE_PHY(0) |
1698 AR8327_EEE_CTRL_DISABLE_PHY(1) |
1699 AR8327_EEE_CTRL_DISABLE_PHY(2) |
1700 AR8327_EEE_CTRL_DISABLE_PHY(3) |
1701 AR8327_EEE_CTRL_DISABLE_PHY(4);
1702 priv
->write(priv
, AR8327_REG_EEE_CTRL
, t
);
1706 ar8327_init_port(struct ar8xxx_priv
*priv
, int port
)
1708 struct ar8327_data
*data
= priv
->chip_data
;
1711 if (port
== AR8216_PORT_CPU
)
1712 t
= data
->port0_status
;
1714 t
= data
->port6_status
;
1716 t
= AR8216_PORT_STATUS_LINK_AUTO
;
1718 priv
->write(priv
, AR8327_REG_PORT_STATUS(port
), t
);
1719 priv
->write(priv
, AR8327_REG_PORT_HEADER(port
), 0);
1721 t
= 1 << AR8327_PORT_VLAN0_DEF_SVID_S
;
1722 t
|= 1 << AR8327_PORT_VLAN0_DEF_CVID_S
;
1723 priv
->write(priv
, AR8327_REG_PORT_VLAN0(port
), t
);
1725 t
= AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH
<< AR8327_PORT_VLAN1_OUT_MODE_S
;
1726 priv
->write(priv
, AR8327_REG_PORT_VLAN1(port
), t
);
1728 t
= AR8327_PORT_LOOKUP_LEARN
;
1729 t
|= AR8216_PORT_STATE_FORWARD
<< AR8327_PORT_LOOKUP_STATE_S
;
1730 priv
->write(priv
, AR8327_REG_PORT_LOOKUP(port
), t
);
1734 ar8327_read_port_status(struct ar8xxx_priv
*priv
, int port
)
1736 return priv
->read(priv
, AR8327_REG_PORT_STATUS(port
));
1740 ar8327_atu_flush(struct ar8xxx_priv
*priv
)
1744 ret
= ar8216_wait_bit(priv
, AR8327_REG_ATU_FUNC
,
1745 AR8327_ATU_FUNC_BUSY
, 0);
1747 priv
->write(priv
, AR8327_REG_ATU_FUNC
,
1748 AR8327_ATU_FUNC_OP_FLUSH
);
1754 ar8327_vtu_op(struct ar8xxx_priv
*priv
, u32 op
, u32 val
)
1756 if (ar8216_wait_bit(priv
, AR8327_REG_VTU_FUNC1
,
1757 AR8327_VTU_FUNC1_BUSY
, 0))
1760 if ((op
& AR8327_VTU_FUNC1_OP
) == AR8327_VTU_FUNC1_OP_LOAD
)
1761 priv
->write(priv
, AR8327_REG_VTU_FUNC0
, val
);
1763 op
|= AR8327_VTU_FUNC1_BUSY
;
1764 priv
->write(priv
, AR8327_REG_VTU_FUNC1
, op
);
1768 ar8327_vtu_flush(struct ar8xxx_priv
*priv
)
1770 ar8327_vtu_op(priv
, AR8327_VTU_FUNC1_OP_FLUSH
, 0);
1774 ar8327_vtu_load_vlan(struct ar8xxx_priv
*priv
, u32 vid
, u32 port_mask
)
1780 op
= AR8327_VTU_FUNC1_OP_LOAD
| (vid
<< AR8327_VTU_FUNC1_VID_S
);
1781 val
= AR8327_VTU_FUNC0_VALID
| AR8327_VTU_FUNC0_IVL
;
1782 for (i
= 0; i
< AR8327_NUM_PORTS
; i
++) {
1785 if ((port_mask
& BIT(i
)) == 0)
1786 mode
= AR8327_VTU_FUNC0_EG_MODE_NOT
;
1787 else if (priv
->vlan
== 0)
1788 mode
= AR8327_VTU_FUNC0_EG_MODE_KEEP
;
1789 else if ((priv
->vlan_tagged
& BIT(i
)) || (priv
->vlan_id
[priv
->pvid
[i
]] != vid
))
1790 mode
= AR8327_VTU_FUNC0_EG_MODE_TAG
;
1792 mode
= AR8327_VTU_FUNC0_EG_MODE_UNTAG
;
1794 val
|= mode
<< AR8327_VTU_FUNC0_EG_MODE_S(i
);
1796 ar8327_vtu_op(priv
, op
, val
);
1800 ar8327_setup_port(struct ar8xxx_priv
*priv
, int port
, u32 members
)
1803 u32 egress
, ingress
;
1804 u32 pvid
= priv
->vlan_id
[priv
->pvid
[port
]];
1807 egress
= AR8327_PORT_VLAN1_OUT_MODE_UNMOD
;
1808 ingress
= AR8216_IN_SECURE
;
1810 egress
= AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH
;
1811 ingress
= AR8216_IN_PORT_ONLY
;
1814 t
= pvid
<< AR8327_PORT_VLAN0_DEF_SVID_S
;
1815 t
|= pvid
<< AR8327_PORT_VLAN0_DEF_CVID_S
;
1816 priv
->write(priv
, AR8327_REG_PORT_VLAN0(port
), t
);
1818 t
= AR8327_PORT_VLAN1_PORT_VLAN_PROP
;
1819 t
|= egress
<< AR8327_PORT_VLAN1_OUT_MODE_S
;
1820 priv
->write(priv
, AR8327_REG_PORT_VLAN1(port
), t
);
1823 t
|= AR8327_PORT_LOOKUP_LEARN
;
1824 t
|= ingress
<< AR8327_PORT_LOOKUP_IN_MODE_S
;
1825 t
|= AR8216_PORT_STATE_FORWARD
<< AR8327_PORT_LOOKUP_STATE_S
;
1826 priv
->write(priv
, AR8327_REG_PORT_LOOKUP(port
), t
);
1829 static const struct ar8xxx_chip ar8327_chip
= {
1830 .caps
= AR8XXX_CAP_GIGE
| AR8XXX_CAP_MIB_COUNTERS
,
1831 .config_at_probe
= true,
1832 .mii_lo_first
= true,
1834 .hw_init
= ar8327_hw_init
,
1835 .cleanup
= ar8327_cleanup
,
1836 .init_globals
= ar8327_init_globals
,
1837 .init_port
= ar8327_init_port
,
1838 .setup_port
= ar8327_setup_port
,
1839 .read_port_status
= ar8327_read_port_status
,
1840 .atu_flush
= ar8327_atu_flush
,
1841 .vtu_flush
= ar8327_vtu_flush
,
1842 .vtu_load_vlan
= ar8327_vtu_load_vlan
,
1843 .phy_fixup
= ar8327_phy_fixup
,
1844 .set_mirror_regs
= ar8327_set_mirror_regs
,
1846 .num_mibs
= ARRAY_SIZE(ar8236_mibs
),
1847 .mib_decs
= ar8236_mibs
,
1848 .mib_func
= AR8327_REG_MIB_FUNC
1852 ar8xxx_sw_set_vlan(struct switch_dev
*dev
, const struct switch_attr
*attr
,
1853 struct switch_val
*val
)
1855 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1856 priv
->vlan
= !!val
->value
.i
;
1861 ar8xxx_sw_get_vlan(struct switch_dev
*dev
, const struct switch_attr
*attr
,
1862 struct switch_val
*val
)
1864 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1865 val
->value
.i
= priv
->vlan
;
1871 ar8xxx_sw_set_pvid(struct switch_dev
*dev
, int port
, int vlan
)
1873 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1875 /* make sure no invalid PVIDs get set */
1877 if (vlan
>= dev
->vlans
)
1880 priv
->pvid
[port
] = vlan
;
1885 ar8xxx_sw_get_pvid(struct switch_dev
*dev
, int port
, int *vlan
)
1887 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1888 *vlan
= priv
->pvid
[port
];
1893 ar8xxx_sw_set_vid(struct switch_dev
*dev
, const struct switch_attr
*attr
,
1894 struct switch_val
*val
)
1896 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1897 priv
->vlan_id
[val
->port_vlan
] = val
->value
.i
;
1902 ar8xxx_sw_get_vid(struct switch_dev
*dev
, const struct switch_attr
*attr
,
1903 struct switch_val
*val
)
1905 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1906 val
->value
.i
= priv
->vlan_id
[val
->port_vlan
];
1911 ar8xxx_sw_get_port_link(struct switch_dev
*dev
, int port
,
1912 struct switch_port_link
*link
)
1914 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1916 ar8216_read_port_link(priv
, port
, link
);
1921 ar8xxx_sw_get_ports(struct switch_dev
*dev
, struct switch_val
*val
)
1923 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1924 u8 ports
= priv
->vlan_table
[val
->port_vlan
];
1928 for (i
= 0; i
< dev
->ports
; i
++) {
1929 struct switch_port
*p
;
1931 if (!(ports
& (1 << i
)))
1934 p
= &val
->value
.ports
[val
->len
++];
1936 if (priv
->vlan_tagged
& (1 << i
))
1937 p
->flags
= (1 << SWITCH_PORT_FLAG_TAGGED
);
1945 ar8327_sw_get_ports(struct switch_dev
*dev
, struct switch_val
*val
)
1947 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1948 u8 ports
= priv
->vlan_table
[val
->port_vlan
];
1952 for (i
= 0; i
< dev
->ports
; i
++) {
1953 struct switch_port
*p
;
1955 if (!(ports
& (1 << i
)))
1958 p
= &val
->value
.ports
[val
->len
++];
1960 if ((priv
->vlan_tagged
& (1 << i
)) || (priv
->pvid
[i
] != val
->port_vlan
))
1961 p
->flags
= (1 << SWITCH_PORT_FLAG_TAGGED
);
1969 ar8xxx_sw_set_ports(struct switch_dev
*dev
, struct switch_val
*val
)
1971 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
1972 u8
*vt
= &priv
->vlan_table
[val
->port_vlan
];
1976 for (i
= 0; i
< val
->len
; i
++) {
1977 struct switch_port
*p
= &val
->value
.ports
[i
];
1979 if (p
->flags
& (1 << SWITCH_PORT_FLAG_TAGGED
)) {
1980 priv
->vlan_tagged
|= (1 << p
->id
);
1982 priv
->vlan_tagged
&= ~(1 << p
->id
);
1983 priv
->pvid
[p
->id
] = val
->port_vlan
;
1985 /* make sure that an untagged port does not
1986 * appear in other vlans */
1987 for (j
= 0; j
< AR8X16_MAX_VLANS
; j
++) {
1988 if (j
== val
->port_vlan
)
1990 priv
->vlan_table
[j
] &= ~(1 << p
->id
);
2000 ar8327_sw_set_ports(struct switch_dev
*dev
, struct switch_val
*val
)
2002 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2003 u8
*vt
= &priv
->vlan_table
[val
->port_vlan
];
2007 for (i
= 0; i
< val
->len
; i
++) {
2008 struct switch_port
*p
= &val
->value
.ports
[i
];
2010 if (p
->flags
& (1 << SWITCH_PORT_FLAG_TAGGED
)) {
2011 if (val
->port_vlan
== priv
->pvid
[p
->id
]) {
2012 priv
->vlan_tagged
|= (1 << p
->id
);
2015 priv
->vlan_tagged
&= ~(1 << p
->id
);
2016 priv
->pvid
[p
->id
] = val
->port_vlan
;
2025 ar8327_set_mirror_regs(struct ar8xxx_priv
*priv
)
2029 /* reset all mirror registers */
2030 ar8xxx_rmw(priv
, AR8327_REG_FWD_CTRL0
,
2031 AR8327_FWD_CTRL0_MIRROR_PORT
,
2032 (0xF << AR8327_FWD_CTRL0_MIRROR_PORT_S
));
2033 for (port
= 0; port
< AR8327_NUM_PORTS
; port
++) {
2034 ar8xxx_rmw(priv
, AR8327_REG_PORT_LOOKUP(port
),
2035 AR8327_PORT_LOOKUP_ING_MIRROR_EN
,
2038 ar8xxx_rmw(priv
, AR8327_REG_PORT_HOL_CTRL1(port
),
2039 AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN
,
2043 /* now enable mirroring if necessary */
2044 if (priv
->source_port
>= AR8327_NUM_PORTS
||
2045 priv
->monitor_port
>= AR8327_NUM_PORTS
||
2046 priv
->source_port
== priv
->monitor_port
) {
2050 ar8xxx_rmw(priv
, AR8327_REG_FWD_CTRL0
,
2051 AR8327_FWD_CTRL0_MIRROR_PORT
,
2052 (priv
->monitor_port
<< AR8327_FWD_CTRL0_MIRROR_PORT_S
));
2054 if (priv
->mirror_rx
)
2055 ar8xxx_rmw(priv
, AR8327_REG_PORT_LOOKUP(priv
->source_port
),
2056 AR8327_PORT_LOOKUP_ING_MIRROR_EN
,
2057 AR8327_PORT_LOOKUP_ING_MIRROR_EN
);
2059 if (priv
->mirror_tx
)
2060 ar8xxx_rmw(priv
, AR8327_REG_PORT_HOL_CTRL1(priv
->source_port
),
2061 AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN
,
2062 AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN
);
2066 ar8216_set_mirror_regs(struct ar8xxx_priv
*priv
)
2070 /* reset all mirror registers */
2071 ar8xxx_rmw(priv
, AR8216_REG_GLOBAL_CPUPORT
,
2072 AR8216_GLOBAL_CPUPORT_MIRROR_PORT
,
2073 (0xF << AR8216_GLOBAL_CPUPORT_MIRROR_PORT_S
));
2074 for (port
= 0; port
< AR8216_NUM_PORTS
; port
++) {
2075 ar8xxx_rmw(priv
, AR8216_REG_PORT_CTRL(port
),
2076 AR8216_PORT_CTRL_MIRROR_RX
,
2079 ar8xxx_rmw(priv
, AR8216_REG_PORT_CTRL(port
),
2080 AR8216_PORT_CTRL_MIRROR_TX
,
2084 /* now enable mirroring if necessary */
2085 if (priv
->source_port
>= AR8216_NUM_PORTS
||
2086 priv
->monitor_port
>= AR8216_NUM_PORTS
||
2087 priv
->source_port
== priv
->monitor_port
) {
2091 ar8xxx_rmw(priv
, AR8216_REG_GLOBAL_CPUPORT
,
2092 AR8216_GLOBAL_CPUPORT_MIRROR_PORT
,
2093 (priv
->monitor_port
<< AR8216_GLOBAL_CPUPORT_MIRROR_PORT_S
));
2095 if (priv
->mirror_rx
)
2096 ar8xxx_rmw(priv
, AR8216_REG_PORT_CTRL(priv
->source_port
),
2097 AR8216_PORT_CTRL_MIRROR_RX
,
2098 AR8216_PORT_CTRL_MIRROR_RX
);
2100 if (priv
->mirror_tx
)
2101 ar8xxx_rmw(priv
, AR8216_REG_PORT_CTRL(priv
->source_port
),
2102 AR8216_PORT_CTRL_MIRROR_TX
,
2103 AR8216_PORT_CTRL_MIRROR_TX
);
2107 ar8xxx_sw_hw_apply(struct switch_dev
*dev
)
2109 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2110 u8 portmask
[AR8X16_MAX_PORTS
];
2113 mutex_lock(&priv
->reg_mutex
);
2114 /* flush all vlan translation unit entries */
2115 priv
->chip
->vtu_flush(priv
);
2117 memset(portmask
, 0, sizeof(portmask
));
2119 /* calculate the port destination masks and load vlans
2120 * into the vlan translation unit */
2121 for (j
= 0; j
< AR8X16_MAX_VLANS
; j
++) {
2122 u8 vp
= priv
->vlan_table
[j
];
2127 for (i
= 0; i
< dev
->ports
; i
++) {
2130 portmask
[i
] |= vp
& ~mask
;
2133 priv
->chip
->vtu_load_vlan(priv
, priv
->vlan_id
[j
],
2134 priv
->vlan_table
[j
]);
2138 * isolate all ports, but connect them to the cpu port */
2139 for (i
= 0; i
< dev
->ports
; i
++) {
2140 if (i
== AR8216_PORT_CPU
)
2143 portmask
[i
] = 1 << AR8216_PORT_CPU
;
2144 portmask
[AR8216_PORT_CPU
] |= (1 << i
);
2148 /* update the port destination mask registers and tag settings */
2149 for (i
= 0; i
< dev
->ports
; i
++) {
2150 priv
->chip
->setup_port(priv
, i
, portmask
[i
]);
2153 priv
->chip
->set_mirror_regs(priv
);
2155 mutex_unlock(&priv
->reg_mutex
);
2160 ar8xxx_sw_reset_switch(struct switch_dev
*dev
)
2162 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2165 mutex_lock(&priv
->reg_mutex
);
2166 memset(&priv
->vlan
, 0, sizeof(struct ar8xxx_priv
) -
2167 offsetof(struct ar8xxx_priv
, vlan
));
2169 for (i
= 0; i
< AR8X16_MAX_VLANS
; i
++)
2170 priv
->vlan_id
[i
] = i
;
2172 /* Configure all ports */
2173 for (i
= 0; i
< dev
->ports
; i
++)
2174 priv
->chip
->init_port(priv
, i
);
2176 priv
->mirror_rx
= false;
2177 priv
->mirror_tx
= false;
2178 priv
->source_port
= 0;
2179 priv
->monitor_port
= 0;
2181 priv
->chip
->init_globals(priv
);
2183 mutex_unlock(&priv
->reg_mutex
);
2185 return ar8xxx_sw_hw_apply(dev
);
2189 ar8xxx_sw_set_reset_mibs(struct switch_dev
*dev
,
2190 const struct switch_attr
*attr
,
2191 struct switch_val
*val
)
2193 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2197 if (!ar8xxx_has_mib_counters(priv
))
2200 mutex_lock(&priv
->mib_lock
);
2202 len
= priv
->dev
.ports
* priv
->chip
->num_mibs
*
2203 sizeof(*priv
->mib_stats
);
2204 memset(priv
->mib_stats
, '\0', len
);
2205 ret
= ar8xxx_mib_flush(priv
);
2212 mutex_unlock(&priv
->mib_lock
);
2217 ar8xxx_sw_set_mirror_rx_enable(struct switch_dev
*dev
,
2218 const struct switch_attr
*attr
,
2219 struct switch_val
*val
)
2221 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2223 mutex_lock(&priv
->reg_mutex
);
2224 priv
->mirror_rx
= !!val
->value
.i
;
2225 priv
->chip
->set_mirror_regs(priv
);
2226 mutex_unlock(&priv
->reg_mutex
);
2232 ar8xxx_sw_get_mirror_rx_enable(struct switch_dev
*dev
,
2233 const struct switch_attr
*attr
,
2234 struct switch_val
*val
)
2236 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2237 val
->value
.i
= priv
->mirror_rx
;
2242 ar8xxx_sw_set_mirror_tx_enable(struct switch_dev
*dev
,
2243 const struct switch_attr
*attr
,
2244 struct switch_val
*val
)
2246 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2248 mutex_lock(&priv
->reg_mutex
);
2249 priv
->mirror_tx
= !!val
->value
.i
;
2250 priv
->chip
->set_mirror_regs(priv
);
2251 mutex_unlock(&priv
->reg_mutex
);
2257 ar8xxx_sw_get_mirror_tx_enable(struct switch_dev
*dev
,
2258 const struct switch_attr
*attr
,
2259 struct switch_val
*val
)
2261 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2262 val
->value
.i
= priv
->mirror_tx
;
2267 ar8xxx_sw_set_mirror_monitor_port(struct switch_dev
*dev
,
2268 const struct switch_attr
*attr
,
2269 struct switch_val
*val
)
2271 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2273 mutex_lock(&priv
->reg_mutex
);
2274 priv
->monitor_port
= val
->value
.i
;
2275 priv
->chip
->set_mirror_regs(priv
);
2276 mutex_unlock(&priv
->reg_mutex
);
2282 ar8xxx_sw_get_mirror_monitor_port(struct switch_dev
*dev
,
2283 const struct switch_attr
*attr
,
2284 struct switch_val
*val
)
2286 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2287 val
->value
.i
= priv
->monitor_port
;
2292 ar8xxx_sw_set_mirror_source_port(struct switch_dev
*dev
,
2293 const struct switch_attr
*attr
,
2294 struct switch_val
*val
)
2296 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2298 mutex_lock(&priv
->reg_mutex
);
2299 priv
->source_port
= val
->value
.i
;
2300 priv
->chip
->set_mirror_regs(priv
);
2301 mutex_unlock(&priv
->reg_mutex
);
2307 ar8xxx_sw_get_mirror_source_port(struct switch_dev
*dev
,
2308 const struct switch_attr
*attr
,
2309 struct switch_val
*val
)
2311 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2312 val
->value
.i
= priv
->source_port
;
2317 ar8xxx_sw_set_port_reset_mib(struct switch_dev
*dev
,
2318 const struct switch_attr
*attr
,
2319 struct switch_val
*val
)
2321 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
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
, true);
2342 mutex_unlock(&priv
->mib_lock
);
2347 ar8xxx_sw_get_port_mib(struct switch_dev
*dev
,
2348 const struct switch_attr
*attr
,
2349 struct switch_val
*val
)
2351 struct ar8xxx_priv
*priv
= swdev_to_ar8xxx(dev
);
2352 const struct ar8xxx_chip
*chip
= priv
->chip
;
2356 char *buf
= priv
->buf
;
2359 if (!ar8xxx_has_mib_counters(priv
))
2362 port
= val
->port_vlan
;
2363 if (port
>= dev
->ports
)
2366 mutex_lock(&priv
->mib_lock
);
2367 ret
= ar8xxx_mib_capture(priv
);
2371 ar8xxx_mib_fetch_port_stat(priv
, port
, false);
2373 len
+= snprintf(buf
+ len
, sizeof(priv
->buf
) - len
,
2374 "Port %d MIB counters\n",
2377 mib_stats
= &priv
->mib_stats
[port
* chip
->num_mibs
];
2378 for (i
= 0; i
< chip
->num_mibs
; i
++)
2379 len
+= snprintf(buf
+ len
, sizeof(priv
->buf
) - len
,
2381 chip
->mib_decs
[i
].name
,
2390 mutex_unlock(&priv
->mib_lock
);
2394 static struct switch_attr ar8xxx_sw_attr_globals
[] = {
2396 .type
= SWITCH_TYPE_INT
,
2397 .name
= "enable_vlan",
2398 .description
= "Enable VLAN mode",
2399 .set
= ar8xxx_sw_set_vlan
,
2400 .get
= ar8xxx_sw_get_vlan
,
2404 .type
= SWITCH_TYPE_NOVAL
,
2405 .name
= "reset_mibs",
2406 .description
= "Reset all MIB counters",
2407 .set
= ar8xxx_sw_set_reset_mibs
,
2410 .type
= SWITCH_TYPE_INT
,
2411 .name
= "enable_mirror_rx",
2412 .description
= "Enable mirroring of RX packets",
2413 .set
= ar8xxx_sw_set_mirror_rx_enable
,
2414 .get
= ar8xxx_sw_get_mirror_rx_enable
,
2418 .type
= SWITCH_TYPE_INT
,
2419 .name
= "enable_mirror_tx",
2420 .description
= "Enable mirroring of TX packets",
2421 .set
= ar8xxx_sw_set_mirror_tx_enable
,
2422 .get
= ar8xxx_sw_get_mirror_tx_enable
,
2426 .type
= SWITCH_TYPE_INT
,
2427 .name
= "mirror_monitor_port",
2428 .description
= "Mirror monitor port",
2429 .set
= ar8xxx_sw_set_mirror_monitor_port
,
2430 .get
= ar8xxx_sw_get_mirror_monitor_port
,
2431 .max
= AR8216_NUM_PORTS
- 1
2434 .type
= SWITCH_TYPE_INT
,
2435 .name
= "mirror_source_port",
2436 .description
= "Mirror source port",
2437 .set
= ar8xxx_sw_set_mirror_source_port
,
2438 .get
= ar8xxx_sw_get_mirror_source_port
,
2439 .max
= AR8216_NUM_PORTS
- 1
2443 static struct switch_attr ar8327_sw_attr_globals
[] = {
2445 .type
= SWITCH_TYPE_INT
,
2446 .name
= "enable_vlan",
2447 .description
= "Enable VLAN mode",
2448 .set
= ar8xxx_sw_set_vlan
,
2449 .get
= ar8xxx_sw_get_vlan
,
2453 .type
= SWITCH_TYPE_NOVAL
,
2454 .name
= "reset_mibs",
2455 .description
= "Reset all MIB counters",
2456 .set
= ar8xxx_sw_set_reset_mibs
,
2459 .type
= SWITCH_TYPE_INT
,
2460 .name
= "enable_mirror_rx",
2461 .description
= "Enable mirroring of RX packets",
2462 .set
= ar8xxx_sw_set_mirror_rx_enable
,
2463 .get
= ar8xxx_sw_get_mirror_rx_enable
,
2467 .type
= SWITCH_TYPE_INT
,
2468 .name
= "enable_mirror_tx",
2469 .description
= "Enable mirroring of TX packets",
2470 .set
= ar8xxx_sw_set_mirror_tx_enable
,
2471 .get
= ar8xxx_sw_get_mirror_tx_enable
,
2475 .type
= SWITCH_TYPE_INT
,
2476 .name
= "mirror_monitor_port",
2477 .description
= "Mirror monitor port",
2478 .set
= ar8xxx_sw_set_mirror_monitor_port
,
2479 .get
= ar8xxx_sw_get_mirror_monitor_port
,
2480 .max
= AR8327_NUM_PORTS
- 1
2483 .type
= SWITCH_TYPE_INT
,
2484 .name
= "mirror_source_port",
2485 .description
= "Mirror source port",
2486 .set
= ar8xxx_sw_set_mirror_source_port
,
2487 .get
= ar8xxx_sw_get_mirror_source_port
,
2488 .max
= AR8327_NUM_PORTS
- 1
2492 static struct switch_attr ar8xxx_sw_attr_port
[] = {
2494 .type
= SWITCH_TYPE_NOVAL
,
2495 .name
= "reset_mib",
2496 .description
= "Reset single port MIB counters",
2497 .set
= ar8xxx_sw_set_port_reset_mib
,
2500 .type
= SWITCH_TYPE_STRING
,
2502 .description
= "Get port's MIB counters",
2504 .get
= ar8xxx_sw_get_port_mib
,
2508 static struct switch_attr ar8xxx_sw_attr_vlan
[] = {
2510 .type
= SWITCH_TYPE_INT
,
2512 .description
= "VLAN ID (0-4094)",
2513 .set
= ar8xxx_sw_set_vid
,
2514 .get
= ar8xxx_sw_get_vid
,
2519 static const struct switch_dev_ops ar8xxx_sw_ops
= {
2521 .attr
= ar8xxx_sw_attr_globals
,
2522 .n_attr
= ARRAY_SIZE(ar8xxx_sw_attr_globals
),
2525 .attr
= ar8xxx_sw_attr_port
,
2526 .n_attr
= ARRAY_SIZE(ar8xxx_sw_attr_port
),
2529 .attr
= ar8xxx_sw_attr_vlan
,
2530 .n_attr
= ARRAY_SIZE(ar8xxx_sw_attr_vlan
),
2532 .get_port_pvid
= ar8xxx_sw_get_pvid
,
2533 .set_port_pvid
= ar8xxx_sw_set_pvid
,
2534 .get_vlan_ports
= ar8xxx_sw_get_ports
,
2535 .set_vlan_ports
= ar8xxx_sw_set_ports
,
2536 .apply_config
= ar8xxx_sw_hw_apply
,
2537 .reset_switch
= ar8xxx_sw_reset_switch
,
2538 .get_port_link
= ar8xxx_sw_get_port_link
,
2541 static const struct switch_dev_ops ar8327_sw_ops
= {
2543 .attr
= ar8327_sw_attr_globals
,
2544 .n_attr
= ARRAY_SIZE(ar8327_sw_attr_globals
),
2547 .attr
= ar8xxx_sw_attr_port
,
2548 .n_attr
= ARRAY_SIZE(ar8xxx_sw_attr_port
),
2551 .attr
= ar8xxx_sw_attr_vlan
,
2552 .n_attr
= ARRAY_SIZE(ar8xxx_sw_attr_vlan
),
2554 .get_port_pvid
= ar8xxx_sw_get_pvid
,
2555 .set_port_pvid
= ar8xxx_sw_set_pvid
,
2556 .get_vlan_ports
= ar8327_sw_get_ports
,
2557 .set_vlan_ports
= ar8327_sw_set_ports
,
2558 .apply_config
= ar8xxx_sw_hw_apply
,
2559 .reset_switch
= ar8xxx_sw_reset_switch
,
2560 .get_port_link
= ar8xxx_sw_get_port_link
,
2564 ar8xxx_id_chip(struct ar8xxx_priv
*priv
)
2570 val
= priv
->read(priv
, AR8216_REG_CTRL
);
2574 id
= val
& (AR8216_CTRL_REVISION
| AR8216_CTRL_VERSION
);
2575 for (i
= 0; i
< AR8X16_PROBE_RETRIES
; i
++) {
2578 val
= priv
->read(priv
, AR8216_REG_CTRL
);
2582 t
= val
& (AR8216_CTRL_REVISION
| AR8216_CTRL_VERSION
);
2587 priv
->chip_ver
= (id
& AR8216_CTRL_VERSION
) >> AR8216_CTRL_VERSION_S
;
2588 priv
->chip_rev
= (id
& AR8216_CTRL_REVISION
);
2590 switch (priv
->chip_ver
) {
2591 case AR8XXX_VER_AR8216
:
2592 priv
->chip
= &ar8216_chip
;
2594 case AR8XXX_VER_AR8236
:
2595 priv
->chip
= &ar8236_chip
;
2597 case AR8XXX_VER_AR8316
:
2598 priv
->chip
= &ar8316_chip
;
2600 case AR8XXX_VER_AR8327
:
2601 priv
->chip
= &ar8327_chip
;
2603 case AR8XXX_VER_AR8337
:
2604 priv
->chip
= &ar8327_chip
;
2607 pr_err("ar8216: Unknown Atheros device [ver=%d, rev=%d]\n",
2608 priv
->chip_ver
, priv
->chip_rev
);
2617 ar8xxx_mib_work_func(struct work_struct
*work
)
2619 struct ar8xxx_priv
*priv
;
2622 priv
= container_of(work
, struct ar8xxx_priv
, mib_work
.work
);
2624 mutex_lock(&priv
->mib_lock
);
2626 err
= ar8xxx_mib_capture(priv
);
2630 ar8xxx_mib_fetch_port_stat(priv
, priv
->mib_next_port
, false);
2633 priv
->mib_next_port
++;
2634 if (priv
->mib_next_port
>= priv
->dev
.ports
)
2635 priv
->mib_next_port
= 0;
2637 mutex_unlock(&priv
->mib_lock
);
2638 schedule_delayed_work(&priv
->mib_work
,
2639 msecs_to_jiffies(AR8XXX_MIB_WORK_DELAY
));
2643 ar8xxx_mib_init(struct ar8xxx_priv
*priv
)
2647 if (!ar8xxx_has_mib_counters(priv
))
2650 BUG_ON(!priv
->chip
->mib_decs
|| !priv
->chip
->num_mibs
);
2652 len
= priv
->dev
.ports
* priv
->chip
->num_mibs
*
2653 sizeof(*priv
->mib_stats
);
2654 priv
->mib_stats
= kzalloc(len
, GFP_KERNEL
);
2656 if (!priv
->mib_stats
)
2663 ar8xxx_mib_start(struct ar8xxx_priv
*priv
)
2665 if (!ar8xxx_has_mib_counters(priv
))
2668 schedule_delayed_work(&priv
->mib_work
,
2669 msecs_to_jiffies(AR8XXX_MIB_WORK_DELAY
));
2673 ar8xxx_mib_stop(struct ar8xxx_priv
*priv
)
2675 if (!ar8xxx_has_mib_counters(priv
))
2678 cancel_delayed_work(&priv
->mib_work
);
2681 static struct ar8xxx_priv
*
2684 struct ar8xxx_priv
*priv
;
2686 priv
= kzalloc(sizeof(struct ar8xxx_priv
), GFP_KERNEL
);
2690 mutex_init(&priv
->reg_mutex
);
2691 mutex_init(&priv
->mib_lock
);
2692 INIT_DELAYED_WORK(&priv
->mib_work
, ar8xxx_mib_work_func
);
2698 ar8xxx_free(struct ar8xxx_priv
*priv
)
2700 if (priv
->chip
&& priv
->chip
->cleanup
)
2701 priv
->chip
->cleanup(priv
);
2703 kfree(priv
->chip_data
);
2704 kfree(priv
->mib_stats
);
2708 static struct ar8xxx_priv
*
2709 ar8xxx_create_mii(struct mii_bus
*bus
)
2711 struct ar8xxx_priv
*priv
;
2713 priv
= ar8xxx_create();
2715 priv
->mii_bus
= bus
;
2716 priv
->read
= ar8xxx_mii_read
;
2717 priv
->write
= ar8xxx_mii_write
;
2718 priv
->rmw
= ar8xxx_mii_rmw
;
2725 ar8xxx_probe_switch(struct ar8xxx_priv
*priv
)
2727 struct switch_dev
*swdev
;
2730 ret
= ar8xxx_id_chip(priv
);
2735 swdev
->cpu_port
= AR8216_PORT_CPU
;
2736 swdev
->ops
= &ar8xxx_sw_ops
;
2738 if (chip_is_ar8316(priv
)) {
2739 swdev
->name
= "Atheros AR8316";
2740 swdev
->vlans
= AR8X16_MAX_VLANS
;
2741 swdev
->ports
= AR8216_NUM_PORTS
;
2742 } else if (chip_is_ar8236(priv
)) {
2743 swdev
->name
= "Atheros AR8236";
2744 swdev
->vlans
= AR8216_NUM_VLANS
;
2745 swdev
->ports
= AR8216_NUM_PORTS
;
2746 } else if (chip_is_ar8327(priv
)) {
2747 swdev
->name
= "Atheros AR8327";
2748 swdev
->vlans
= AR8X16_MAX_VLANS
;
2749 swdev
->ports
= AR8327_NUM_PORTS
;
2750 swdev
->ops
= &ar8327_sw_ops
;
2751 } else if (chip_is_ar8337(priv
)) {
2752 swdev
->name
= "Atheros AR8337";
2753 swdev
->vlans
= AR8X16_MAX_VLANS
;
2754 swdev
->ports
= AR8327_NUM_PORTS
;
2755 swdev
->ops
= &ar8327_sw_ops
;
2757 swdev
->name
= "Atheros AR8216";
2758 swdev
->vlans
= AR8216_NUM_VLANS
;
2759 swdev
->ports
= AR8216_NUM_PORTS
;
2762 ret
= ar8xxx_mib_init(priv
);
2770 ar8xxx_start(struct ar8xxx_priv
*priv
)
2776 ret
= priv
->chip
->hw_init(priv
);
2780 ret
= ar8xxx_sw_reset_switch(&priv
->dev
);
2786 ar8xxx_mib_start(priv
);
2792 ar8xxx_phy_config_init(struct phy_device
*phydev
)
2794 struct ar8xxx_priv
*priv
= phydev
->priv
;
2795 struct net_device
*dev
= phydev
->attached_dev
;
2801 if (priv
->chip
->config_at_probe
)
2802 return ar8xxx_phy_check_aneg(phydev
);
2806 if (phydev
->addr
!= 0) {
2807 if (chip_is_ar8316(priv
)) {
2808 /* switch device has been initialized, reinit */
2809 priv
->dev
.ports
= (AR8216_NUM_PORTS
- 1);
2810 priv
->initialized
= false;
2811 priv
->port4_phy
= true;
2812 ar8316_hw_init(priv
);
2819 ret
= ar8xxx_start(priv
);
2823 /* VID fixup only needed on ar8216 */
2824 if (chip_is_ar8216(priv
)) {
2825 dev
->phy_ptr
= priv
;
2826 dev
->priv_flags
|= IFF_NO_IP_ALIGN
;
2827 dev
->eth_mangle_rx
= ar8216_mangle_rx
;
2828 dev
->eth_mangle_tx
= ar8216_mangle_tx
;
2835 ar8xxx_phy_read_status(struct phy_device
*phydev
)
2837 struct ar8xxx_priv
*priv
= phydev
->priv
;
2838 struct switch_port_link link
;
2841 if (phydev
->addr
!= 0)
2842 return genphy_read_status(phydev
);
2844 ar8216_read_port_link(priv
, phydev
->addr
, &link
);
2845 phydev
->link
= !!link
.link
;
2849 switch (link
.speed
) {
2850 case SWITCH_PORT_SPEED_10
:
2851 phydev
->speed
= SPEED_10
;
2853 case SWITCH_PORT_SPEED_100
:
2854 phydev
->speed
= SPEED_100
;
2856 case SWITCH_PORT_SPEED_1000
:
2857 phydev
->speed
= SPEED_1000
;
2862 phydev
->duplex
= link
.duplex
? DUPLEX_FULL
: DUPLEX_HALF
;
2864 /* flush the address translation unit */
2865 mutex_lock(&priv
->reg_mutex
);
2866 ret
= priv
->chip
->atu_flush(priv
);
2867 mutex_unlock(&priv
->reg_mutex
);
2869 phydev
->state
= PHY_RUNNING
;
2870 netif_carrier_on(phydev
->attached_dev
);
2871 phydev
->adjust_link(phydev
->attached_dev
);
2877 ar8xxx_phy_config_aneg(struct phy_device
*phydev
)
2879 if (phydev
->addr
== 0)
2882 return genphy_config_aneg(phydev
);
2885 static const u32 ar8xxx_phy_ids
[] = {
2887 0x004dd034, /* AR8327 */
2888 0x004dd036, /* AR8337 */
2891 0x004dd043, /* AR8236 */
2895 ar8xxx_phy_match(u32 phy_id
)
2899 for (i
= 0; i
< ARRAY_SIZE(ar8xxx_phy_ids
); i
++)
2900 if (phy_id
== ar8xxx_phy_ids
[i
])
2907 ar8xxx_is_possible(struct mii_bus
*bus
)
2911 for (i
= 0; i
< 4; i
++) {
2914 phy_id
= mdiobus_read(bus
, i
, MII_PHYSID1
) << 16;
2915 phy_id
|= mdiobus_read(bus
, i
, MII_PHYSID2
);
2916 if (!ar8xxx_phy_match(phy_id
)) {
2917 pr_debug("ar8xxx: unknown PHY at %s:%02x id:%08x\n",
2918 dev_name(&bus
->dev
), i
, phy_id
);
2927 ar8xxx_phy_probe(struct phy_device
*phydev
)
2929 struct ar8xxx_priv
*priv
;
2930 struct switch_dev
*swdev
;
2933 /* skip PHYs at unused adresses */
2934 if (phydev
->addr
!= 0 && phydev
->addr
!= 4)
2937 if (!ar8xxx_is_possible(phydev
->bus
))
2940 mutex_lock(&ar8xxx_dev_list_lock
);
2941 list_for_each_entry(priv
, &ar8xxx_dev_list
, list
)
2942 if (priv
->mii_bus
== phydev
->bus
)
2945 priv
= ar8xxx_create_mii(phydev
->bus
);
2951 ret
= ar8xxx_probe_switch(priv
);
2956 swdev
->alias
= dev_name(&priv
->mii_bus
->dev
);
2957 ret
= register_switch(swdev
, NULL
);
2961 pr_info("%s: %s rev. %u switch registered on %s\n",
2962 swdev
->devname
, swdev
->name
, priv
->chip_rev
,
2963 dev_name(&priv
->mii_bus
->dev
));
2968 if (phydev
->addr
== 0) {
2969 if (ar8xxx_has_gige(priv
)) {
2970 phydev
->supported
= SUPPORTED_1000baseT_Full
;
2971 phydev
->advertising
= ADVERTISED_1000baseT_Full
;
2973 phydev
->supported
= SUPPORTED_100baseT_Full
;
2974 phydev
->advertising
= ADVERTISED_100baseT_Full
;
2977 if (priv
->chip
->config_at_probe
) {
2980 ret
= ar8xxx_start(priv
);
2982 goto err_unregister_switch
;
2985 if (ar8xxx_has_gige(priv
)) {
2986 phydev
->supported
|= SUPPORTED_1000baseT_Full
;
2987 phydev
->advertising
|= ADVERTISED_1000baseT_Full
;
2991 phydev
->priv
= priv
;
2993 list_add(&priv
->list
, &ar8xxx_dev_list
);
2995 mutex_unlock(&ar8xxx_dev_list_lock
);
2999 err_unregister_switch
:
3000 if (--priv
->use_count
)
3003 unregister_switch(&priv
->dev
);
3008 mutex_unlock(&ar8xxx_dev_list_lock
);
3013 ar8xxx_phy_detach(struct phy_device
*phydev
)
3015 struct net_device
*dev
= phydev
->attached_dev
;
3020 dev
->phy_ptr
= NULL
;
3021 dev
->priv_flags
&= ~IFF_NO_IP_ALIGN
;
3022 dev
->eth_mangle_rx
= NULL
;
3023 dev
->eth_mangle_tx
= NULL
;
3027 ar8xxx_phy_remove(struct phy_device
*phydev
)
3029 struct ar8xxx_priv
*priv
= phydev
->priv
;
3034 phydev
->priv
= NULL
;
3035 if (--priv
->use_count
> 0)
3038 mutex_lock(&ar8xxx_dev_list_lock
);
3039 list_del(&priv
->list
);
3040 mutex_unlock(&ar8xxx_dev_list_lock
);
3042 unregister_switch(&priv
->dev
);
3043 ar8xxx_mib_stop(priv
);
3047 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)
3049 ar8xxx_phy_soft_reset(struct phy_device
*phydev
)
3051 /* we don't need an extra reset */
3056 static struct phy_driver ar8xxx_phy_driver
= {
3057 .phy_id
= 0x004d0000,
3058 .name
= "Atheros AR8216/AR8236/AR8316",
3059 .phy_id_mask
= 0xffff0000,
3060 .features
= PHY_BASIC_FEATURES
,
3061 .probe
= ar8xxx_phy_probe
,
3062 .remove
= ar8xxx_phy_remove
,
3063 .detach
= ar8xxx_phy_detach
,
3064 .config_init
= ar8xxx_phy_config_init
,
3065 .config_aneg
= ar8xxx_phy_config_aneg
,
3066 .read_status
= ar8xxx_phy_read_status
,
3067 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)
3068 .soft_reset
= ar8xxx_phy_soft_reset
,
3070 .driver
= { .owner
= THIS_MODULE
},
3076 return phy_driver_register(&ar8xxx_phy_driver
);
3082 phy_driver_unregister(&ar8xxx_phy_driver
);
3085 module_init(ar8xxx_init
);
3086 module_exit(ar8xxx_exit
);
3087 MODULE_LICENSE("GPL");