1 /* Copyright 2008-2015 Freescale Semiconductor, Inc.
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are met:
5 * * Redistributions of source code must retain the above copyright
6 * notice, this list of conditions and the following disclaimer.
7 * * Redistributions in binary form must reproduce the above copyright
8 * notice, this list of conditions and the following disclaimer in the
9 * documentation and/or other materials provided with the distribution.
10 * * Neither the name of Freescale Semiconductor nor the
11 * names of its contributors may be used to endorse or promote products
12 * derived from this software without specific prior written permission.
15 * ALTERNATIVELY, this software may be distributed under the terms of the
16 * GNU General Public License ("GPL") as published by the Free Software
17 * Foundation, either version 2 of that License or (at your option) any
20 * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
21 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23 * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
24 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
27 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
34 #include <linux/init.h>
35 #include <linux/module.h>
36 #include <linux/of_address.h>
37 #include <linux/of_platform.h>
38 #include <linux/of_net.h>
39 #include <linux/of_mdio.h>
40 #include <linux/device.h>
41 #include <linux/phy.h>
42 #include <linux/netdevice.h>
43 #include <linux/phy_fixed.h>
44 #include <linux/etherdevice.h>
45 #include <linux/libfdt_env.h>
49 #include "fman_dtsec.h"
50 #include "fman_tgec.h"
51 #include "fman_memac.h"
53 MODULE_LICENSE("Dual BSD/GPL");
54 MODULE_DESCRIPTION("FSL FMan MAC API based driver");
60 phy_interface_t phy_if
;
62 struct device_node
*phy_node
;
63 struct device_node
*internal_phy_node
;
64 /* List of multicast addresses */
65 struct list_head mc_addr_list
;
66 struct platform_device
*eth_dev
;
67 struct fixed_phy_status
*fixed_link
;
71 int (*enable
)(struct fman_mac
*mac_dev
, enum comm_mode mode
);
72 int (*disable
)(struct fman_mac
*mac_dev
, enum comm_mode mode
);
77 struct list_head list
;
80 static void mac_exception(void *handle
, enum fman_mac_exceptions ex
)
82 struct mac_device
*mac_dev
;
83 struct mac_priv_s
*priv
;
88 if (ex
== FM_MAC_EX_10G_RX_FIFO_OVFL
) {
89 /* don't flag RX FIFO after the first */
90 mac_dev
->set_exception(mac_dev
->fman_mac
,
91 FM_MAC_EX_10G_RX_FIFO_OVFL
, false);
92 dev_err(priv
->dev
, "10G MAC got RX FIFO Error = %x\n", ex
);
95 dev_dbg(priv
->dev
, "%s:%s() -> %d\n", KBUILD_BASENAME
".c",
99 static void set_fman_mac_params(struct mac_device
*mac_dev
,
100 struct fman_mac_params
*params
)
102 struct mac_priv_s
*priv
= mac_dev
->priv
;
104 params
->base_addr
= (typeof(params
->base_addr
))
105 devm_ioremap(priv
->dev
, mac_dev
->res
->start
,
106 resource_size(mac_dev
->res
));
107 memcpy(¶ms
->addr
, mac_dev
->addr
, sizeof(mac_dev
->addr
));
108 params
->max_speed
= priv
->max_speed
;
109 params
->phy_if
= priv
->phy_if
;
110 params
->basex_if
= false;
111 params
->mac_id
= priv
->cell_index
;
112 params
->fm
= (void *)priv
->fman
;
113 params
->exception_cb
= mac_exception
;
114 params
->event_cb
= mac_exception
;
115 params
->dev_id
= mac_dev
;
116 params
->internal_phy_node
= priv
->internal_phy_node
;
119 static int tgec_initialization(struct mac_device
*mac_dev
)
122 struct mac_priv_s
*priv
;
123 struct fman_mac_params params
;
126 priv
= mac_dev
->priv
;
128 set_fman_mac_params(mac_dev
, ¶ms
);
130 mac_dev
->fman_mac
= tgec_config(¶ms
);
131 if (!mac_dev
->fman_mac
) {
136 err
= tgec_cfg_max_frame_len(mac_dev
->fman_mac
, fman_get_max_frm());
138 goto _return_fm_mac_free
;
140 err
= tgec_init(mac_dev
->fman_mac
);
142 goto _return_fm_mac_free
;
144 /* For 10G MAC, disable Tx ECC exception */
145 err
= mac_dev
->set_exception(mac_dev
->fman_mac
,
146 FM_MAC_EX_10G_TX_ECC_ER
, false);
148 goto _return_fm_mac_free
;
150 err
= tgec_get_version(mac_dev
->fman_mac
, &version
);
152 goto _return_fm_mac_free
;
154 dev_info(priv
->dev
, "FMan XGEC version: 0x%08x\n", version
);
159 tgec_free(mac_dev
->fman_mac
);
165 static int dtsec_initialization(struct mac_device
*mac_dev
)
168 struct mac_priv_s
*priv
;
169 struct fman_mac_params params
;
172 priv
= mac_dev
->priv
;
174 set_fman_mac_params(mac_dev
, ¶ms
);
176 mac_dev
->fman_mac
= dtsec_config(¶ms
);
177 if (!mac_dev
->fman_mac
) {
182 err
= dtsec_cfg_max_frame_len(mac_dev
->fman_mac
, fman_get_max_frm());
184 goto _return_fm_mac_free
;
186 err
= dtsec_cfg_pad_and_crc(mac_dev
->fman_mac
, true);
188 goto _return_fm_mac_free
;
190 err
= dtsec_init(mac_dev
->fman_mac
);
192 goto _return_fm_mac_free
;
194 /* For 1G MAC, disable by default the MIB counters overflow interrupt */
195 err
= mac_dev
->set_exception(mac_dev
->fman_mac
,
196 FM_MAC_EX_1G_RX_MIB_CNT_OVFL
, false);
198 goto _return_fm_mac_free
;
200 err
= dtsec_get_version(mac_dev
->fman_mac
, &version
);
202 goto _return_fm_mac_free
;
204 dev_info(priv
->dev
, "FMan dTSEC version: 0x%08x\n", version
);
209 dtsec_free(mac_dev
->fman_mac
);
215 static int memac_initialization(struct mac_device
*mac_dev
)
218 struct mac_priv_s
*priv
;
219 struct fman_mac_params params
;
221 priv
= mac_dev
->priv
;
223 set_fman_mac_params(mac_dev
, ¶ms
);
225 if (priv
->max_speed
== SPEED_10000
)
226 params
.phy_if
= PHY_INTERFACE_MODE_XGMII
;
228 mac_dev
->fman_mac
= memac_config(¶ms
);
229 if (!mac_dev
->fman_mac
) {
234 err
= memac_cfg_max_frame_len(mac_dev
->fman_mac
, fman_get_max_frm());
236 goto _return_fm_mac_free
;
238 err
= memac_cfg_reset_on_init(mac_dev
->fman_mac
, true);
240 goto _return_fm_mac_free
;
242 err
= memac_cfg_fixed_link(mac_dev
->fman_mac
, priv
->fixed_link
);
244 goto _return_fm_mac_free
;
246 err
= memac_init(mac_dev
->fman_mac
);
248 goto _return_fm_mac_free
;
250 dev_info(priv
->dev
, "FMan MEMAC\n");
255 memac_free(mac_dev
->fman_mac
);
261 static int start(struct mac_device
*mac_dev
)
264 struct phy_device
*phy_dev
= mac_dev
->phy_dev
;
265 struct mac_priv_s
*priv
= mac_dev
->priv
;
267 err
= priv
->enable(mac_dev
->fman_mac
, COMM_MODE_RX_AND_TX
);
274 static int stop(struct mac_device
*mac_dev
)
276 struct mac_priv_s
*priv
= mac_dev
->priv
;
278 if (mac_dev
->phy_dev
)
279 phy_stop(mac_dev
->phy_dev
);
281 return priv
->disable(mac_dev
->fman_mac
, COMM_MODE_RX_AND_TX
);
284 static int set_multi(struct net_device
*net_dev
, struct mac_device
*mac_dev
)
286 struct mac_priv_s
*priv
;
287 struct mac_address
*old_addr
, *tmp
;
288 struct netdev_hw_addr
*ha
;
292 priv
= mac_dev
->priv
;
294 /* Clear previous address list */
295 list_for_each_entry_safe(old_addr
, tmp
, &priv
->mc_addr_list
, list
) {
296 addr
= (enet_addr_t
*)old_addr
->addr
;
297 err
= mac_dev
->remove_hash_mac_addr(mac_dev
->fman_mac
, addr
);
301 list_del(&old_addr
->list
);
305 /* Add all the addresses from the new list */
306 netdev_for_each_mc_addr(ha
, net_dev
) {
307 addr
= (enet_addr_t
*)ha
->addr
;
308 err
= mac_dev
->add_hash_mac_addr(mac_dev
->fman_mac
, addr
);
312 tmp
= kmalloc(sizeof(*tmp
), GFP_ATOMIC
);
316 ether_addr_copy(tmp
->addr
, ha
->addr
);
317 list_add(&tmp
->list
, &priv
->mc_addr_list
);
323 * fman_set_mac_active_pause
324 * @mac_dev: A pointer to the MAC device
325 * @rx: Pause frame setting for RX
326 * @tx: Pause frame setting for TX
328 * Set the MAC RX/TX PAUSE frames settings
330 * Avoid redundant calls to FMD, if the MAC driver already contains the desired
331 * active PAUSE settings. Otherwise, the new active settings should be reflected
334 * Return: 0 on success; Error code otherwise.
336 int fman_set_mac_active_pause(struct mac_device
*mac_dev
, bool rx
, bool tx
)
338 struct fman_mac
*fman_mac
= mac_dev
->fman_mac
;
341 if (rx
!= mac_dev
->rx_pause_active
) {
342 err
= mac_dev
->set_rx_pause(fman_mac
, rx
);
343 if (likely(err
== 0))
344 mac_dev
->rx_pause_active
= rx
;
347 if (tx
!= mac_dev
->tx_pause_active
) {
348 u16 pause_time
= (tx
? FSL_FM_PAUSE_TIME_ENABLE
:
349 FSL_FM_PAUSE_TIME_DISABLE
);
351 err
= mac_dev
->set_tx_pause(fman_mac
, 0, pause_time
, 0);
353 if (likely(err
== 0))
354 mac_dev
->tx_pause_active
= tx
;
359 EXPORT_SYMBOL(fman_set_mac_active_pause
);
363 * @mac_dev: A pointer to the MAC device
364 * @rx: Return value for RX setting
365 * @tx: Return value for TX setting
367 * Determine the MAC RX/TX PAUSE frames settings based on PHY
368 * autonegotiation or values set by eththool.
370 * Return: Pointer to FMan device.
372 void fman_get_pause_cfg(struct mac_device
*mac_dev
, bool *rx_pause
,
375 struct phy_device
*phy_dev
= mac_dev
->phy_dev
;
376 u16 lcl_adv
, rmt_adv
;
379 *rx_pause
= *tx_pause
= false;
381 if (!phy_dev
->duplex
)
384 /* If PAUSE autonegotiation is disabled, the TX/RX PAUSE settings
385 * are those set by ethtool.
387 if (!mac_dev
->autoneg_pause
) {
388 *rx_pause
= mac_dev
->rx_pause_req
;
389 *tx_pause
= mac_dev
->tx_pause_req
;
393 /* Else if PAUSE autonegotiation is enabled, the TX/RX PAUSE
394 * settings depend on the result of the link negotiation.
397 /* get local capabilities */
399 if (phy_dev
->advertising
& ADVERTISED_Pause
)
400 lcl_adv
|= ADVERTISE_PAUSE_CAP
;
401 if (phy_dev
->advertising
& ADVERTISED_Asym_Pause
)
402 lcl_adv
|= ADVERTISE_PAUSE_ASYM
;
404 /* get link partner capabilities */
407 rmt_adv
|= LPA_PAUSE_CAP
;
408 if (phy_dev
->asym_pause
)
409 rmt_adv
|= LPA_PAUSE_ASYM
;
411 /* Calculate TX/RX settings based on local and peer advertised
412 * symmetric/asymmetric PAUSE capabilities.
414 flowctrl
= mii_resolve_flowctrl_fdx(lcl_adv
, rmt_adv
);
415 if (flowctrl
& FLOW_CTRL_RX
)
417 if (flowctrl
& FLOW_CTRL_TX
)
420 EXPORT_SYMBOL(fman_get_pause_cfg
);
422 static void adjust_link_void(struct net_device
*net_dev
)
426 static void adjust_link_dtsec(struct net_device
*net_dev
)
428 struct device
*dev
= net_dev
->dev
.parent
;
429 struct dpaa_eth_data
*eth_data
= dev
->platform_data
;
430 struct mac_device
*mac_dev
= eth_data
->mac_dev
;
431 struct phy_device
*phy_dev
= mac_dev
->phy_dev
;
432 struct fman_mac
*fman_mac
;
433 bool rx_pause
, tx_pause
;
436 fman_mac
= mac_dev
->fman_mac
;
437 if (!phy_dev
->link
) {
438 dtsec_restart_autoneg(fman_mac
);
443 dtsec_adjust_link(fman_mac
, phy_dev
->speed
);
444 fman_get_pause_cfg(mac_dev
, &rx_pause
, &tx_pause
);
445 err
= fman_set_mac_active_pause(mac_dev
, rx_pause
, tx_pause
);
447 netdev_err(net_dev
, "fman_set_mac_active_pause() = %d\n", err
);
450 static void adjust_link_memac(struct net_device
*net_dev
)
452 struct device
*dev
= net_dev
->dev
.parent
;
453 struct dpaa_eth_data
*eth_data
= dev
->platform_data
;
454 struct mac_device
*mac_dev
= eth_data
->mac_dev
;
455 struct phy_device
*phy_dev
= mac_dev
->phy_dev
;
456 struct fman_mac
*fman_mac
;
457 bool rx_pause
, tx_pause
;
460 fman_mac
= mac_dev
->fman_mac
;
461 memac_adjust_link(fman_mac
, phy_dev
->speed
);
463 fman_get_pause_cfg(mac_dev
, &rx_pause
, &tx_pause
);
464 err
= fman_set_mac_active_pause(mac_dev
, rx_pause
, tx_pause
);
466 netdev_err(net_dev
, "fman_set_mac_active_pause() = %d\n", err
);
469 /* Initializes driver's PHY state, and attaches to the PHY.
470 * Returns 0 on success.
472 static struct phy_device
*init_phy(struct net_device
*net_dev
,
473 struct mac_device
*mac_dev
,
474 void (*adj_lnk
)(struct net_device
*))
476 struct phy_device
*phy_dev
;
477 struct mac_priv_s
*priv
= mac_dev
->priv
;
479 phy_dev
= of_phy_connect(net_dev
, priv
->phy_node
, adj_lnk
, 0,
482 netdev_err(net_dev
, "Could not connect to PHY\n");
486 /* Remove any features not supported by the controller */
487 phy_dev
->supported
&= mac_dev
->if_support
;
488 /* Enable the symmetric and asymmetric PAUSE frame advertisements,
489 * as most of the PHY drivers do not enable them by default.
491 phy_dev
->supported
|= (SUPPORTED_Pause
| SUPPORTED_Asym_Pause
);
492 phy_dev
->advertising
= phy_dev
->supported
;
494 mac_dev
->phy_dev
= phy_dev
;
499 static struct phy_device
*dtsec_init_phy(struct net_device
*net_dev
,
500 struct mac_device
*mac_dev
)
502 return init_phy(net_dev
, mac_dev
, &adjust_link_dtsec
);
505 static struct phy_device
*tgec_init_phy(struct net_device
*net_dev
,
506 struct mac_device
*mac_dev
)
508 return init_phy(net_dev
, mac_dev
, adjust_link_void
);
511 static struct phy_device
*memac_init_phy(struct net_device
*net_dev
,
512 struct mac_device
*mac_dev
)
514 return init_phy(net_dev
, mac_dev
, &adjust_link_memac
);
517 static void setup_dtsec(struct mac_device
*mac_dev
)
519 mac_dev
->init_phy
= dtsec_init_phy
;
520 mac_dev
->init
= dtsec_initialization
;
521 mac_dev
->set_promisc
= dtsec_set_promiscuous
;
522 mac_dev
->change_addr
= dtsec_modify_mac_address
;
523 mac_dev
->add_hash_mac_addr
= dtsec_add_hash_mac_address
;
524 mac_dev
->remove_hash_mac_addr
= dtsec_del_hash_mac_address
;
525 mac_dev
->set_tx_pause
= dtsec_set_tx_pause_frames
;
526 mac_dev
->set_rx_pause
= dtsec_accept_rx_pause_frames
;
527 mac_dev
->set_exception
= dtsec_set_exception
;
528 mac_dev
->set_multi
= set_multi
;
529 mac_dev
->start
= start
;
530 mac_dev
->stop
= stop
;
532 mac_dev
->priv
->enable
= dtsec_enable
;
533 mac_dev
->priv
->disable
= dtsec_disable
;
536 static void setup_tgec(struct mac_device
*mac_dev
)
538 mac_dev
->init_phy
= tgec_init_phy
;
539 mac_dev
->init
= tgec_initialization
;
540 mac_dev
->set_promisc
= tgec_set_promiscuous
;
541 mac_dev
->change_addr
= tgec_modify_mac_address
;
542 mac_dev
->add_hash_mac_addr
= tgec_add_hash_mac_address
;
543 mac_dev
->remove_hash_mac_addr
= tgec_del_hash_mac_address
;
544 mac_dev
->set_tx_pause
= tgec_set_tx_pause_frames
;
545 mac_dev
->set_rx_pause
= tgec_accept_rx_pause_frames
;
546 mac_dev
->set_exception
= tgec_set_exception
;
547 mac_dev
->set_multi
= set_multi
;
548 mac_dev
->start
= start
;
549 mac_dev
->stop
= stop
;
551 mac_dev
->priv
->enable
= tgec_enable
;
552 mac_dev
->priv
->disable
= tgec_disable
;
555 static void setup_memac(struct mac_device
*mac_dev
)
557 mac_dev
->init_phy
= memac_init_phy
;
558 mac_dev
->init
= memac_initialization
;
559 mac_dev
->set_promisc
= memac_set_promiscuous
;
560 mac_dev
->change_addr
= memac_modify_mac_address
;
561 mac_dev
->add_hash_mac_addr
= memac_add_hash_mac_address
;
562 mac_dev
->remove_hash_mac_addr
= memac_del_hash_mac_address
;
563 mac_dev
->set_tx_pause
= memac_set_tx_pause_frames
;
564 mac_dev
->set_rx_pause
= memac_accept_rx_pause_frames
;
565 mac_dev
->set_exception
= memac_set_exception
;
566 mac_dev
->set_multi
= set_multi
;
567 mac_dev
->start
= start
;
568 mac_dev
->stop
= stop
;
570 mac_dev
->priv
->enable
= memac_enable
;
571 mac_dev
->priv
->disable
= memac_disable
;
574 #define DTSEC_SUPPORTED \
575 (SUPPORTED_10baseT_Half \
576 | SUPPORTED_10baseT_Full \
577 | SUPPORTED_100baseT_Half \
578 | SUPPORTED_100baseT_Full \
579 | SUPPORTED_Autoneg \
581 | SUPPORTED_Asym_Pause \
584 static DEFINE_MUTEX(eth_lock
);
586 static const u16 phy2speed
[] = {
587 [PHY_INTERFACE_MODE_MII
] = SPEED_100
,
588 [PHY_INTERFACE_MODE_GMII
] = SPEED_1000
,
589 [PHY_INTERFACE_MODE_SGMII
] = SPEED_1000
,
590 [PHY_INTERFACE_MODE_TBI
] = SPEED_1000
,
591 [PHY_INTERFACE_MODE_RMII
] = SPEED_100
,
592 [PHY_INTERFACE_MODE_RGMII
] = SPEED_1000
,
593 [PHY_INTERFACE_MODE_RGMII_ID
] = SPEED_1000
,
594 [PHY_INTERFACE_MODE_RGMII_RXID
] = SPEED_1000
,
595 [PHY_INTERFACE_MODE_RGMII_TXID
] = SPEED_1000
,
596 [PHY_INTERFACE_MODE_RTBI
] = SPEED_1000
,
597 [PHY_INTERFACE_MODE_XGMII
] = SPEED_10000
600 static struct platform_device
*dpaa_eth_add_device(int fman_id
,
601 struct mac_device
*mac_dev
,
602 struct device_node
*node
)
604 struct platform_device
*pdev
;
605 struct dpaa_eth_data data
;
606 struct mac_priv_s
*priv
;
607 static int dpaa_eth_dev_cnt
;
610 priv
= mac_dev
->priv
;
612 data
.mac_dev
= mac_dev
;
613 data
.mac_hw_id
= priv
->cell_index
;
614 data
.fman_hw_id
= fman_id
;
615 data
.mac_node
= node
;
617 mutex_lock(ð_lock
);
619 pdev
= platform_device_alloc("dpaa-ethernet", dpaa_eth_dev_cnt
);
625 ret
= platform_device_add_data(pdev
, &data
, sizeof(data
));
629 ret
= platform_device_add(pdev
);
634 mutex_unlock(ð_lock
);
639 platform_device_put(pdev
);
641 mutex_unlock(ð_lock
);
646 static const struct of_device_id mac_match
[] = {
647 { .compatible
= "fsl,fman-dtsec" },
648 { .compatible
= "fsl,fman-xgec" },
649 { .compatible
= "fsl,fman-memac" },
652 MODULE_DEVICE_TABLE(of
, mac_match
);
654 static int mac_probe(struct platform_device
*_of_dev
)
658 struct device_node
*mac_node
, *dev_node
;
659 struct mac_device
*mac_dev
;
660 struct platform_device
*of_dev
;
662 struct mac_priv_s
*priv
;
669 mac_node
= dev
->of_node
;
671 mac_dev
= devm_kzalloc(dev
, sizeof(*mac_dev
), GFP_KERNEL
);
674 dev_err(dev
, "devm_kzalloc() = %d\n", err
);
677 priv
= devm_kzalloc(dev
, sizeof(*priv
), GFP_KERNEL
);
683 /* Save private information */
684 mac_dev
->priv
= priv
;
687 if (of_device_is_compatible(mac_node
, "fsl,fman-dtsec")) {
688 setup_dtsec(mac_dev
);
689 priv
->internal_phy_node
= of_parse_phandle(mac_node
,
691 } else if (of_device_is_compatible(mac_node
, "fsl,fman-xgec")) {
693 } else if (of_device_is_compatible(mac_node
, "fsl,fman-memac")) {
694 setup_memac(mac_dev
);
695 priv
->internal_phy_node
= of_parse_phandle(mac_node
,
698 dev_err(dev
, "MAC node (%s) contains unsupported MAC\n",
699 mac_node
->full_name
);
704 /* Register mac_dev */
705 dev_set_drvdata(dev
, mac_dev
);
707 INIT_LIST_HEAD(&priv
->mc_addr_list
);
709 /* Get the FM node */
710 dev_node
= of_get_parent(mac_node
);
712 dev_err(dev
, "of_get_parent(%s) failed\n",
713 mac_node
->full_name
);
715 goto _return_dev_set_drvdata
;
718 of_dev
= of_find_device_by_node(dev_node
);
720 dev_err(dev
, "of_find_device_by_node(%s) failed\n",
721 dev_node
->full_name
);
723 goto _return_of_node_put
;
726 /* Get the FMan cell-index */
727 err
= of_property_read_u32(dev_node
, "cell-index", &val
);
729 dev_err(dev
, "failed to read cell-index for %s\n",
730 dev_node
->full_name
);
732 goto _return_of_node_put
;
734 /* cell-index 0 => FMan id 1 */
735 fman_id
= (u8
)(val
+ 1);
737 priv
->fman
= fman_bind(&of_dev
->dev
);
739 dev_err(dev
, "fman_bind(%s) failed\n", dev_node
->full_name
);
741 goto _return_of_node_put
;
744 of_node_put(dev_node
);
746 /* Get the address of the memory mapped registers */
747 err
= of_address_to_resource(mac_node
, 0, &res
);
749 dev_err(dev
, "of_address_to_resource(%s) = %d\n",
750 mac_node
->full_name
, err
);
751 goto _return_dev_set_drvdata
;
754 mac_dev
->res
= __devm_request_region(dev
,
755 fman_get_mem_region(priv
->fman
),
756 res
.start
, res
.end
+ 1 - res
.start
,
759 dev_err(dev
, "__devm_request_mem_region(mac) failed\n");
761 goto _return_dev_set_drvdata
;
764 priv
->vaddr
= devm_ioremap(dev
, mac_dev
->res
->start
,
765 mac_dev
->res
->end
+ 1 - mac_dev
->res
->start
);
767 dev_err(dev
, "devm_ioremap() failed\n");
769 goto _return_dev_set_drvdata
;
772 if (!of_device_is_available(mac_node
)) {
773 devm_iounmap(dev
, priv
->vaddr
);
774 __devm_release_region(dev
, fman_get_mem_region(priv
->fman
),
775 res
.start
, res
.end
+ 1 - res
.start
);
776 devm_kfree(dev
, mac_dev
);
777 dev_set_drvdata(dev
, NULL
);
781 /* Get the cell-index */
782 err
= of_property_read_u32(mac_node
, "cell-index", &val
);
784 dev_err(dev
, "failed to read cell-index for %s\n",
785 mac_node
->full_name
);
787 goto _return_dev_set_drvdata
;
789 priv
->cell_index
= (u8
)val
;
791 /* Get the MAC address */
792 mac_addr
= of_get_mac_address(mac_node
);
794 dev_err(dev
, "of_get_mac_address(%s) failed\n",
795 mac_node
->full_name
);
797 goto _return_dev_set_drvdata
;
799 memcpy(mac_dev
->addr
, mac_addr
, sizeof(mac_dev
->addr
));
801 /* Get the port handles */
802 nph
= of_count_phandle_with_args(mac_node
, "fsl,fman-ports", NULL
);
803 if (unlikely(nph
< 0)) {
804 dev_err(dev
, "of_count_phandle_with_args(%s, fsl,fman-ports) failed\n",
805 mac_node
->full_name
);
807 goto _return_dev_set_drvdata
;
810 if (nph
!= ARRAY_SIZE(mac_dev
->port
)) {
811 dev_err(dev
, "Not supported number of fman-ports handles of mac node %s from device tree\n",
812 mac_node
->full_name
);
814 goto _return_dev_set_drvdata
;
817 for (i
= 0; i
< ARRAY_SIZE(mac_dev
->port
); i
++) {
818 /* Find the port node */
819 dev_node
= of_parse_phandle(mac_node
, "fsl,fman-ports", i
);
821 dev_err(dev
, "of_parse_phandle(%s, fsl,fman-ports) failed\n",
822 mac_node
->full_name
);
824 goto _return_of_node_put
;
827 of_dev
= of_find_device_by_node(dev_node
);
829 dev_err(dev
, "of_find_device_by_node(%s) failed\n",
830 dev_node
->full_name
);
832 goto _return_of_node_put
;
835 mac_dev
->port
[i
] = fman_port_bind(&of_dev
->dev
);
836 if (!mac_dev
->port
[i
]) {
837 dev_err(dev
, "dev_get_drvdata(%s) failed\n",
838 dev_node
->full_name
);
840 goto _return_of_node_put
;
842 of_node_put(dev_node
);
845 /* Get the PHY connection type */
846 phy_if
= of_get_phy_mode(mac_node
);
849 "of_get_phy_mode() for %s failed. Defaulting to SGMII\n",
850 mac_node
->full_name
);
851 phy_if
= PHY_INTERFACE_MODE_SGMII
;
853 priv
->phy_if
= phy_if
;
855 priv
->speed
= phy2speed
[priv
->phy_if
];
856 priv
->max_speed
= priv
->speed
;
857 mac_dev
->if_support
= DTSEC_SUPPORTED
;
858 /* We don't support half-duplex in SGMII mode */
859 if (priv
->phy_if
== PHY_INTERFACE_MODE_SGMII
)
860 mac_dev
->if_support
&= ~(SUPPORTED_10baseT_Half
|
861 SUPPORTED_100baseT_Half
);
863 /* Gigabit support (no half-duplex) */
864 if (priv
->max_speed
== 1000)
865 mac_dev
->if_support
|= SUPPORTED_1000baseT_Full
;
867 /* The 10G interface only supports one mode */
868 if (priv
->phy_if
== PHY_INTERFACE_MODE_XGMII
)
869 mac_dev
->if_support
= SUPPORTED_10000baseT_Full
;
871 /* Get the rest of the PHY information */
872 priv
->phy_node
= of_parse_phandle(mac_node
, "phy-handle", 0);
873 if (!priv
->phy_node
&& of_phy_is_fixed_link(mac_node
)) {
874 struct phy_device
*phy
;
876 err
= of_phy_register_fixed_link(mac_node
);
878 goto _return_dev_set_drvdata
;
880 priv
->fixed_link
= kzalloc(sizeof(*priv
->fixed_link
),
882 if (!priv
->fixed_link
) {
884 goto _return_dev_set_drvdata
;
887 priv
->phy_node
= of_node_get(mac_node
);
888 phy
= of_phy_find_device(priv
->phy_node
);
891 goto _return_dev_set_drvdata
;
894 priv
->fixed_link
->link
= phy
->link
;
895 priv
->fixed_link
->speed
= phy
->speed
;
896 priv
->fixed_link
->duplex
= phy
->duplex
;
897 priv
->fixed_link
->pause
= phy
->pause
;
898 priv
->fixed_link
->asym_pause
= phy
->asym_pause
;
900 put_device(&phy
->mdio
.dev
);
903 err
= mac_dev
->init(mac_dev
);
905 dev_err(dev
, "mac_dev->init() = %d\n", err
);
906 of_node_put(priv
->phy_node
);
907 goto _return_dev_set_drvdata
;
910 /* pause frame autonegotiation enabled */
911 mac_dev
->autoneg_pause
= true;
913 /* By intializing the values to false, force FMD to enable PAUSE frames
916 mac_dev
->rx_pause_req
= true;
917 mac_dev
->tx_pause_req
= true;
918 mac_dev
->rx_pause_active
= false;
919 mac_dev
->tx_pause_active
= false;
920 err
= fman_set_mac_active_pause(mac_dev
, true, true);
922 dev_err(dev
, "fman_set_mac_active_pause() = %d\n", err
);
924 dev_info(dev
, "FMan MAC address: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
925 mac_dev
->addr
[0], mac_dev
->addr
[1], mac_dev
->addr
[2],
926 mac_dev
->addr
[3], mac_dev
->addr
[4], mac_dev
->addr
[5]);
928 priv
->eth_dev
= dpaa_eth_add_device(fman_id
, mac_dev
, mac_node
);
929 if (IS_ERR(priv
->eth_dev
)) {
930 dev_err(dev
, "failed to add Ethernet platform device for MAC %d\n",
932 priv
->eth_dev
= NULL
;
938 of_node_put(dev_node
);
939 _return_dev_set_drvdata
:
940 kfree(priv
->fixed_link
);
941 dev_set_drvdata(dev
, NULL
);
946 static struct platform_driver mac_driver
= {
948 .name
= KBUILD_MODNAME
,
949 .of_match_table
= mac_match
,
954 builtin_platform_driver(mac_driver
);