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");
61 struct device_node *internal_phy_node;
62 /* List of multicast addresses */
63 struct list_head mc_addr_list;
64 struct platform_device *eth_dev;
65 struct fixed_phy_status *fixed_link;
69 int (*enable)(struct fman_mac *mac_dev, enum comm_mode mode);
70 int (*disable)(struct fman_mac *mac_dev, enum comm_mode mode);
75 struct list_head list;
78 static void mac_exception(void *handle, enum fman_mac_exceptions ex)
80 struct mac_device *mac_dev;
81 struct mac_priv_s *priv;
86 if (ex == FM_MAC_EX_10G_RX_FIFO_OVFL) {
87 /* don't flag RX FIFO after the first */
88 mac_dev->set_exception(mac_dev->fman_mac,
89 FM_MAC_EX_10G_RX_FIFO_OVFL, false);
90 dev_err(priv->dev, "10G MAC got RX FIFO Error = %x\n", ex);
93 dev_dbg(priv->dev, "%s:%s() -> %d\n", KBUILD_BASENAME ".c",
97 static void set_fman_mac_params(struct mac_device *mac_dev,
98 struct fman_mac_params *params)
100 struct mac_priv_s *priv = mac_dev->priv;
102 params->base_addr = (typeof(params->base_addr))
103 devm_ioremap(priv->dev, mac_dev->res->start,
104 resource_size(mac_dev->res));
105 memcpy(¶ms->addr, mac_dev->addr, sizeof(mac_dev->addr));
106 params->max_speed = priv->max_speed;
107 params->phy_if = mac_dev->phy_if;
108 params->basex_if = false;
109 params->mac_id = priv->cell_index;
110 params->fm = (void *)priv->fman;
111 params->exception_cb = mac_exception;
112 params->event_cb = mac_exception;
113 params->dev_id = mac_dev;
114 params->internal_phy_node = priv->internal_phy_node;
117 static int tgec_initialization(struct mac_device *mac_dev)
120 struct mac_priv_s *priv;
121 struct fman_mac_params params;
124 priv = mac_dev->priv;
126 set_fman_mac_params(mac_dev, ¶ms);
128 mac_dev->fman_mac = tgec_config(¶ms);
129 if (!mac_dev->fman_mac) {
134 err = tgec_cfg_max_frame_len(mac_dev->fman_mac, fman_get_max_frm());
136 goto _return_fm_mac_free;
138 err = tgec_init(mac_dev->fman_mac);
140 goto _return_fm_mac_free;
142 /* For 10G MAC, disable Tx ECC exception */
143 err = mac_dev->set_exception(mac_dev->fman_mac,
144 FM_MAC_EX_10G_TX_ECC_ER, false);
146 goto _return_fm_mac_free;
148 err = tgec_get_version(mac_dev->fman_mac, &version);
150 goto _return_fm_mac_free;
152 dev_info(priv->dev, "FMan XGEC version: 0x%08x\n", version);
157 tgec_free(mac_dev->fman_mac);
163 static int dtsec_initialization(struct mac_device *mac_dev)
166 struct mac_priv_s *priv;
167 struct fman_mac_params params;
170 priv = mac_dev->priv;
172 set_fman_mac_params(mac_dev, ¶ms);
174 mac_dev->fman_mac = dtsec_config(¶ms);
175 if (!mac_dev->fman_mac) {
180 err = dtsec_cfg_max_frame_len(mac_dev->fman_mac, fman_get_max_frm());
182 goto _return_fm_mac_free;
184 err = dtsec_cfg_pad_and_crc(mac_dev->fman_mac, true);
186 goto _return_fm_mac_free;
188 err = dtsec_init(mac_dev->fman_mac);
190 goto _return_fm_mac_free;
192 /* For 1G MAC, disable by default the MIB counters overflow interrupt */
193 err = mac_dev->set_exception(mac_dev->fman_mac,
194 FM_MAC_EX_1G_RX_MIB_CNT_OVFL, false);
196 goto _return_fm_mac_free;
198 err = dtsec_get_version(mac_dev->fman_mac, &version);
200 goto _return_fm_mac_free;
202 dev_info(priv->dev, "FMan dTSEC version: 0x%08x\n", version);
207 dtsec_free(mac_dev->fman_mac);
213 static int memac_initialization(struct mac_device *mac_dev)
216 struct mac_priv_s *priv;
217 struct fman_mac_params params;
219 priv = mac_dev->priv;
221 set_fman_mac_params(mac_dev, ¶ms);
223 if (priv->max_speed == SPEED_10000)
224 params.phy_if = PHY_INTERFACE_MODE_XGMII;
226 mac_dev->fman_mac = memac_config(¶ms);
227 if (!mac_dev->fman_mac) {
232 err = memac_cfg_max_frame_len(mac_dev->fman_mac, fman_get_max_frm());
234 goto _return_fm_mac_free;
236 err = memac_cfg_reset_on_init(mac_dev->fman_mac, true);
238 goto _return_fm_mac_free;
240 err = memac_cfg_fixed_link(mac_dev->fman_mac, priv->fixed_link);
242 goto _return_fm_mac_free;
244 err = memac_init(mac_dev->fman_mac);
246 goto _return_fm_mac_free;
248 dev_info(priv->dev, "FMan MEMAC\n");
253 memac_free(mac_dev->fman_mac);
259 static int start(struct mac_device *mac_dev)
262 struct phy_device *phy_dev = mac_dev->phy_dev;
263 struct mac_priv_s *priv = mac_dev->priv;
265 err = priv->enable(mac_dev->fman_mac, COMM_MODE_RX_AND_TX);
272 static int stop(struct mac_device *mac_dev)
274 struct mac_priv_s *priv = mac_dev->priv;
276 if (mac_dev->phy_dev)
277 phy_stop(mac_dev->phy_dev);
279 return priv->disable(mac_dev->fman_mac, COMM_MODE_RX_AND_TX);
282 static int set_multi(struct net_device *net_dev, struct mac_device *mac_dev)
284 struct mac_priv_s *priv;
285 struct mac_address *old_addr, *tmp;
286 struct netdev_hw_addr *ha;
290 priv = mac_dev->priv;
292 /* Clear previous address list */
293 list_for_each_entry_safe(old_addr, tmp, &priv->mc_addr_list, list) {
294 addr = (enet_addr_t *)old_addr->addr;
295 err = mac_dev->remove_hash_mac_addr(mac_dev->fman_mac, addr);
299 list_del(&old_addr->list);
303 /* Add all the addresses from the new list */
304 netdev_for_each_mc_addr(ha, net_dev) {
305 addr = (enet_addr_t *)ha->addr;
306 err = mac_dev->add_hash_mac_addr(mac_dev->fman_mac, addr);
310 tmp = kmalloc(sizeof(*tmp), GFP_ATOMIC);
314 ether_addr_copy(tmp->addr, ha->addr);
315 list_add(&tmp->list, &priv->mc_addr_list);
321 * fman_set_mac_active_pause
322 * @mac_dev: A pointer to the MAC device
323 * @rx: Pause frame setting for RX
324 * @tx: Pause frame setting for TX
326 * Set the MAC RX/TX PAUSE frames settings
328 * Avoid redundant calls to FMD, if the MAC driver already contains the desired
329 * active PAUSE settings. Otherwise, the new active settings should be reflected
332 * Return: 0 on success; Error code otherwise.
334 int fman_set_mac_active_pause(struct mac_device *mac_dev, bool rx, bool tx)
336 struct fman_mac *fman_mac = mac_dev->fman_mac;
339 if (rx != mac_dev->rx_pause_active) {
340 err = mac_dev->set_rx_pause(fman_mac, rx);
341 if (likely(err == 0))
342 mac_dev->rx_pause_active = rx;
345 if (tx != mac_dev->tx_pause_active) {
346 u16 pause_time = (tx ? FSL_FM_PAUSE_TIME_ENABLE :
347 FSL_FM_PAUSE_TIME_DISABLE);
349 err = mac_dev->set_tx_pause(fman_mac, 0, pause_time, 0);
351 if (likely(err == 0))
352 mac_dev->tx_pause_active = tx;
357 EXPORT_SYMBOL(fman_set_mac_active_pause);
361 * @mac_dev: A pointer to the MAC device
362 * @rx_pause: Return value for RX setting
363 * @tx_pause: Return value for TX setting
365 * Determine the MAC RX/TX PAUSE frames settings based on PHY
366 * autonegotiation or values set by eththool.
368 * Return: Pointer to FMan device.
370 void fman_get_pause_cfg(struct mac_device *mac_dev, bool *rx_pause,
373 struct phy_device *phy_dev = mac_dev->phy_dev;
374 u16 lcl_adv, rmt_adv;
377 *rx_pause = *tx_pause = false;
379 if (!phy_dev->duplex)
382 /* If PAUSE autonegotiation is disabled, the TX/RX PAUSE settings
383 * are those set by ethtool.
385 if (!mac_dev->autoneg_pause) {
386 *rx_pause = mac_dev->rx_pause_req;
387 *tx_pause = mac_dev->tx_pause_req;
391 /* Else if PAUSE autonegotiation is enabled, the TX/RX PAUSE
392 * settings depend on the result of the link negotiation.
395 /* get local capabilities */
396 lcl_adv = linkmode_adv_to_lcl_adv_t(phy_dev->advertising);
398 /* get link partner capabilities */
401 rmt_adv |= LPA_PAUSE_CAP;
402 if (phy_dev->asym_pause)
403 rmt_adv |= LPA_PAUSE_ASYM;
405 /* Calculate TX/RX settings based on local and peer advertised
406 * symmetric/asymmetric PAUSE capabilities.
408 flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
409 if (flowctrl & FLOW_CTRL_RX)
411 if (flowctrl & FLOW_CTRL_TX)
414 EXPORT_SYMBOL(fman_get_pause_cfg);
416 static void adjust_link_void(struct mac_device *mac_dev)
420 static void adjust_link_dtsec(struct mac_device *mac_dev)
422 struct phy_device *phy_dev = mac_dev->phy_dev;
423 struct fman_mac *fman_mac;
424 bool rx_pause, tx_pause;
427 fman_mac = mac_dev->fman_mac;
428 if (!phy_dev->link) {
429 dtsec_restart_autoneg(fman_mac);
434 dtsec_adjust_link(fman_mac, phy_dev->speed);
435 fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause);
436 err = fman_set_mac_active_pause(mac_dev, rx_pause, tx_pause);
438 dev_err(mac_dev->priv->dev, "fman_set_mac_active_pause() = %d\n",
442 static void adjust_link_memac(struct mac_device *mac_dev)
444 struct phy_device *phy_dev = mac_dev->phy_dev;
445 struct fman_mac *fman_mac;
446 bool rx_pause, tx_pause;
449 fman_mac = mac_dev->fman_mac;
450 memac_adjust_link(fman_mac, phy_dev->speed);
452 fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause);
453 err = fman_set_mac_active_pause(mac_dev, rx_pause, tx_pause);
455 dev_err(mac_dev->priv->dev, "fman_set_mac_active_pause() = %d\n",
459 static void setup_dtsec(struct mac_device *mac_dev)
461 mac_dev->init = dtsec_initialization;
462 mac_dev->set_promisc = dtsec_set_promiscuous;
463 mac_dev->change_addr = dtsec_modify_mac_address;
464 mac_dev->add_hash_mac_addr = dtsec_add_hash_mac_address;
465 mac_dev->remove_hash_mac_addr = dtsec_del_hash_mac_address;
466 mac_dev->set_tx_pause = dtsec_set_tx_pause_frames;
467 mac_dev->set_rx_pause = dtsec_accept_rx_pause_frames;
468 mac_dev->set_exception = dtsec_set_exception;
469 mac_dev->set_allmulti = dtsec_set_allmulti;
470 mac_dev->set_tstamp = dtsec_set_tstamp;
471 mac_dev->set_multi = set_multi;
472 mac_dev->start = start;
473 mac_dev->stop = stop;
474 mac_dev->adjust_link = adjust_link_dtsec;
475 mac_dev->priv->enable = dtsec_enable;
476 mac_dev->priv->disable = dtsec_disable;
479 static void setup_tgec(struct mac_device *mac_dev)
481 mac_dev->init = tgec_initialization;
482 mac_dev->set_promisc = tgec_set_promiscuous;
483 mac_dev->change_addr = tgec_modify_mac_address;
484 mac_dev->add_hash_mac_addr = tgec_add_hash_mac_address;
485 mac_dev->remove_hash_mac_addr = tgec_del_hash_mac_address;
486 mac_dev->set_tx_pause = tgec_set_tx_pause_frames;
487 mac_dev->set_rx_pause = tgec_accept_rx_pause_frames;
488 mac_dev->set_exception = tgec_set_exception;
489 mac_dev->set_allmulti = tgec_set_allmulti;
490 mac_dev->set_tstamp = tgec_set_tstamp;
491 mac_dev->set_multi = set_multi;
492 mac_dev->start = start;
493 mac_dev->stop = stop;
494 mac_dev->adjust_link = adjust_link_void;
495 mac_dev->priv->enable = tgec_enable;
496 mac_dev->priv->disable = tgec_disable;
499 static void setup_memac(struct mac_device *mac_dev)
501 mac_dev->init = memac_initialization;
502 mac_dev->set_promisc = memac_set_promiscuous;
503 mac_dev->change_addr = memac_modify_mac_address;
504 mac_dev->add_hash_mac_addr = memac_add_hash_mac_address;
505 mac_dev->remove_hash_mac_addr = memac_del_hash_mac_address;
506 mac_dev->set_tx_pause = memac_set_tx_pause_frames;
507 mac_dev->set_rx_pause = memac_accept_rx_pause_frames;
508 mac_dev->set_exception = memac_set_exception;
509 mac_dev->set_allmulti = memac_set_allmulti;
510 mac_dev->set_tstamp = memac_set_tstamp;
511 mac_dev->set_multi = set_multi;
512 mac_dev->start = start;
513 mac_dev->stop = stop;
514 mac_dev->adjust_link = adjust_link_memac;
515 mac_dev->priv->enable = memac_enable;
516 mac_dev->priv->disable = memac_disable;
519 #define DTSEC_SUPPORTED \
520 (SUPPORTED_10baseT_Half \
521 | SUPPORTED_10baseT_Full \
522 | SUPPORTED_100baseT_Half \
523 | SUPPORTED_100baseT_Full \
524 | SUPPORTED_Autoneg \
526 | SUPPORTED_Asym_Pause \
529 static DEFINE_MUTEX(eth_lock);
531 static const u16 phy2speed[] = {
532 [PHY_INTERFACE_MODE_MII] = SPEED_100,
533 [PHY_INTERFACE_MODE_GMII] = SPEED_1000,
534 [PHY_INTERFACE_MODE_SGMII] = SPEED_1000,
535 [PHY_INTERFACE_MODE_TBI] = SPEED_1000,
536 [PHY_INTERFACE_MODE_RMII] = SPEED_100,
537 [PHY_INTERFACE_MODE_RGMII] = SPEED_1000,
538 [PHY_INTERFACE_MODE_RGMII_ID] = SPEED_1000,
539 [PHY_INTERFACE_MODE_RGMII_RXID] = SPEED_1000,
540 [PHY_INTERFACE_MODE_RGMII_TXID] = SPEED_1000,
541 [PHY_INTERFACE_MODE_RTBI] = SPEED_1000,
542 [PHY_INTERFACE_MODE_QSGMII] = SPEED_1000,
543 [PHY_INTERFACE_MODE_XGMII] = SPEED_10000
546 static struct platform_device *dpaa_eth_add_device(int fman_id,
547 struct mac_device *mac_dev)
549 struct platform_device *pdev;
550 struct dpaa_eth_data data;
551 struct mac_priv_s *priv;
552 static int dpaa_eth_dev_cnt;
555 priv = mac_dev->priv;
557 data.mac_dev = mac_dev;
558 data.mac_hw_id = priv->cell_index;
559 data.fman_hw_id = fman_id;
561 mutex_lock(ð_lock);
562 pdev = platform_device_alloc("dpaa-ethernet", dpaa_eth_dev_cnt);
568 pdev->dev.parent = priv->dev;
570 ret = platform_device_add_data(pdev, &data, sizeof(data));
574 ret = platform_device_add(pdev);
579 mutex_unlock(ð_lock);
584 platform_device_put(pdev);
586 mutex_unlock(ð_lock);
591 static const struct of_device_id mac_match[] = {
592 { .compatible = "fsl,fman-dtsec" },
593 { .compatible = "fsl,fman-xgec" },
594 { .compatible = "fsl,fman-memac" },
597 MODULE_DEVICE_TABLE(of, mac_match);
599 static int mac_probe(struct platform_device *_of_dev)
603 struct device_node *mac_node, *dev_node;
604 struct mac_device *mac_dev;
605 struct platform_device *of_dev;
607 struct mac_priv_s *priv;
610 phy_interface_t phy_if;
613 mac_node = dev->of_node;
615 mac_dev = devm_kzalloc(dev, sizeof(*mac_dev), GFP_KERNEL);
620 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
626 /* Save private information */
627 mac_dev->priv = priv;
630 if (of_device_is_compatible(mac_node, "fsl,fman-dtsec")) {
631 setup_dtsec(mac_dev);
632 priv->internal_phy_node = of_parse_phandle(mac_node,
634 } else if (of_device_is_compatible(mac_node, "fsl,fman-xgec")) {
636 } else if (of_device_is_compatible(mac_node, "fsl,fman-memac")) {
637 setup_memac(mac_dev);
638 priv->internal_phy_node = of_parse_phandle(mac_node,
641 dev_err(dev, "MAC node (%pOF) contains unsupported MAC\n",
647 INIT_LIST_HEAD(&priv->mc_addr_list);
649 /* Get the FM node */
650 dev_node = of_get_parent(mac_node);
652 dev_err(dev, "of_get_parent(%pOF) failed\n",
655 goto _return_of_get_parent;
658 of_dev = of_find_device_by_node(dev_node);
660 dev_err(dev, "of_find_device_by_node(%pOF) failed\n", dev_node);
662 goto _return_of_node_put;
665 /* Get the FMan cell-index */
666 err = of_property_read_u32(dev_node, "cell-index", &val);
668 dev_err(dev, "failed to read cell-index for %pOF\n", dev_node);
670 goto _return_of_node_put;
672 /* cell-index 0 => FMan id 1 */
673 fman_id = (u8)(val + 1);
675 priv->fman = fman_bind(&of_dev->dev);
677 dev_err(dev, "fman_bind(%pOF) failed\n", dev_node);
679 goto _return_of_node_put;
682 of_node_put(dev_node);
684 /* Get the address of the memory mapped registers */
685 err = of_address_to_resource(mac_node, 0, &res);
687 dev_err(dev, "of_address_to_resource(%pOF) = %d\n",
689 goto _return_of_get_parent;
692 mac_dev->res = __devm_request_region(dev,
693 fman_get_mem_region(priv->fman),
694 res.start, resource_size(&res),
697 dev_err(dev, "__devm_request_mem_region(mac) failed\n");
699 goto _return_of_get_parent;
702 priv->vaddr = devm_ioremap(dev, mac_dev->res->start,
703 resource_size(mac_dev->res));
705 dev_err(dev, "devm_ioremap() failed\n");
707 goto _return_of_get_parent;
710 if (!of_device_is_available(mac_node)) {
712 goto _return_of_get_parent;
715 /* Get the cell-index */
716 err = of_property_read_u32(mac_node, "cell-index", &val);
718 dev_err(dev, "failed to read cell-index for %pOF\n", mac_node);
720 goto _return_of_get_parent;
722 priv->cell_index = (u8)val;
724 /* Get the MAC address */
725 err = of_get_mac_address(mac_node, mac_dev->addr);
727 dev_warn(dev, "of_get_mac_address(%pOF) failed\n", mac_node);
729 /* Get the port handles */
730 nph = of_count_phandle_with_args(mac_node, "fsl,fman-ports", NULL);
731 if (unlikely(nph < 0)) {
732 dev_err(dev, "of_count_phandle_with_args(%pOF, fsl,fman-ports) failed\n",
735 goto _return_of_get_parent;
738 if (nph != ARRAY_SIZE(mac_dev->port)) {
739 dev_err(dev, "Not supported number of fman-ports handles of mac node %pOF from device tree\n",
742 goto _return_of_get_parent;
745 for (i = 0; i < ARRAY_SIZE(mac_dev->port); i++) {
746 /* Find the port node */
747 dev_node = of_parse_phandle(mac_node, "fsl,fman-ports", i);
749 dev_err(dev, "of_parse_phandle(%pOF, fsl,fman-ports) failed\n",
752 goto _return_of_node_put;
755 of_dev = of_find_device_by_node(dev_node);
757 dev_err(dev, "of_find_device_by_node(%pOF) failed\n",
760 goto _return_of_node_put;
763 mac_dev->port[i] = fman_port_bind(&of_dev->dev);
764 if (!mac_dev->port[i]) {
765 dev_err(dev, "dev_get_drvdata(%pOF) failed\n",
768 goto _return_of_node_put;
770 of_node_put(dev_node);
773 /* Get the PHY connection type */
774 err = of_get_phy_mode(mac_node, &phy_if);
777 "of_get_phy_mode() for %pOF failed. Defaulting to SGMII\n",
779 phy_if = PHY_INTERFACE_MODE_SGMII;
781 mac_dev->phy_if = phy_if;
783 priv->speed = phy2speed[mac_dev->phy_if];
784 priv->max_speed = priv->speed;
785 mac_dev->if_support = DTSEC_SUPPORTED;
786 /* We don't support half-duplex in SGMII mode */
787 if (mac_dev->phy_if == PHY_INTERFACE_MODE_SGMII)
788 mac_dev->if_support &= ~(SUPPORTED_10baseT_Half |
789 SUPPORTED_100baseT_Half);
791 /* Gigabit support (no half-duplex) */
792 if (priv->max_speed == 1000)
793 mac_dev->if_support |= SUPPORTED_1000baseT_Full;
795 /* The 10G interface only supports one mode */
796 if (mac_dev->phy_if == PHY_INTERFACE_MODE_XGMII)
797 mac_dev->if_support = SUPPORTED_10000baseT_Full;
799 /* Get the rest of the PHY information */
800 mac_dev->phy_node = of_parse_phandle(mac_node, "phy-handle", 0);
801 if (!mac_dev->phy_node && of_phy_is_fixed_link(mac_node)) {
802 struct phy_device *phy;
804 err = of_phy_register_fixed_link(mac_node);
806 goto _return_of_get_parent;
808 priv->fixed_link = kzalloc(sizeof(*priv->fixed_link),
810 if (!priv->fixed_link) {
812 goto _return_of_get_parent;
815 mac_dev->phy_node = of_node_get(mac_node);
816 phy = of_phy_find_device(mac_dev->phy_node);
819 of_node_put(mac_dev->phy_node);
820 goto _return_of_get_parent;
823 priv->fixed_link->link = phy->link;
824 priv->fixed_link->speed = phy->speed;
825 priv->fixed_link->duplex = phy->duplex;
826 priv->fixed_link->pause = phy->pause;
827 priv->fixed_link->asym_pause = phy->asym_pause;
829 put_device(&phy->mdio.dev);
832 err = mac_dev->init(mac_dev);
834 dev_err(dev, "mac_dev->init() = %d\n", err);
835 of_node_put(mac_dev->phy_node);
836 goto _return_of_get_parent;
839 /* pause frame autonegotiation enabled */
840 mac_dev->autoneg_pause = true;
842 /* By intializing the values to false, force FMD to enable PAUSE frames
845 mac_dev->rx_pause_req = true;
846 mac_dev->tx_pause_req = true;
847 mac_dev->rx_pause_active = false;
848 mac_dev->tx_pause_active = false;
849 err = fman_set_mac_active_pause(mac_dev, true, true);
851 dev_err(dev, "fman_set_mac_active_pause() = %d\n", err);
853 if (!is_zero_ether_addr(mac_dev->addr))
854 dev_info(dev, "FMan MAC address: %pM\n", mac_dev->addr);
856 priv->eth_dev = dpaa_eth_add_device(fman_id, mac_dev);
857 if (IS_ERR(priv->eth_dev)) {
858 dev_err(dev, "failed to add Ethernet platform device for MAC %d\n",
860 priv->eth_dev = NULL;
866 of_node_put(dev_node);
867 _return_of_get_parent:
868 kfree(priv->fixed_link);
873 static struct platform_driver mac_driver = {
875 .name = KBUILD_MODNAME,
876 .of_match_table = mac_match,
881 builtin_platform_driver(mac_driver);