Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Igal Liberman | 3504 | 94.35% | 1 | 4.35% |
Madalin Bucur | 92 | 2.48% | 7 | 30.43% |
Radu Bulie | 18 | 0.48% | 1 | 4.35% |
Yangbo Lu | 18 | 0.48% | 1 | 4.35% |
Wei Yongjun | 14 | 0.38% | 1 | 4.35% |
Rob Herring | 14 | 0.38% | 1 | 4.35% |
Christophe Jaillet | 13 | 0.35% | 2 | 8.70% |
Florian Fainelli | 10 | 0.27% | 1 | 4.35% |
Johan Hovold | 10 | 0.27% | 1 | 4.35% |
Andrew Lunn | 9 | 0.24% | 3 | 13.04% |
Julia Lawall | 7 | 0.19% | 1 | 4.35% |
Petr Štetiar | 4 | 0.11% | 2 | 8.70% |
Joe Perches | 1 | 0.03% | 1 | 4.35% |
Total | 3714 | 23 |
/* Copyright 2008-2015 Freescale Semiconductor, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Freescale Semiconductor nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * * ALTERNATIVELY, this software may be distributed under the terms of the * GNU General Public License ("GPL") as published by the Free Software * Foundation, either version 2 of that License or (at your option) any * later version. * * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/init.h> #include <linux/module.h> #include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/of_net.h> #include <linux/of_mdio.h> #include <linux/device.h> #include <linux/phy.h> #include <linux/netdevice.h> #include <linux/phy_fixed.h> #include <linux/etherdevice.h> #include <linux/libfdt_env.h> #include "mac.h" #include "fman_mac.h" #include "fman_dtsec.h" #include "fman_tgec.h" #include "fman_memac.h" MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("FSL FMan MAC API based driver"); struct mac_priv_s { struct device *dev; void __iomem *vaddr; u8 cell_index; struct fman *fman; struct device_node *internal_phy_node; /* List of multicast addresses */ struct list_head mc_addr_list; struct platform_device *eth_dev; struct fixed_phy_status *fixed_link; u16 speed; u16 max_speed; int (*enable)(struct fman_mac *mac_dev, enum comm_mode mode); int (*disable)(struct fman_mac *mac_dev, enum comm_mode mode); }; struct mac_address { u8 addr[ETH_ALEN]; struct list_head list; }; static void mac_exception(void *handle, enum fman_mac_exceptions ex) { struct mac_device *mac_dev; struct mac_priv_s *priv; mac_dev = handle; priv = mac_dev->priv; if (ex == FM_MAC_EX_10G_RX_FIFO_OVFL) { /* don't flag RX FIFO after the first */ mac_dev->set_exception(mac_dev->fman_mac, FM_MAC_EX_10G_RX_FIFO_OVFL, false); dev_err(priv->dev, "10G MAC got RX FIFO Error = %x\n", ex); } dev_dbg(priv->dev, "%s:%s() -> %d\n", KBUILD_BASENAME ".c", __func__, ex); } static void set_fman_mac_params(struct mac_device *mac_dev, struct fman_mac_params *params) { struct mac_priv_s *priv = mac_dev->priv; params->base_addr = (typeof(params->base_addr)) devm_ioremap(priv->dev, mac_dev->res->start, resource_size(mac_dev->res)); memcpy(¶ms->addr, mac_dev->addr, sizeof(mac_dev->addr)); params->max_speed = priv->max_speed; params->phy_if = mac_dev->phy_if; params->basex_if = false; params->mac_id = priv->cell_index; params->fm = (void *)priv->fman; params->exception_cb = mac_exception; params->event_cb = mac_exception; params->dev_id = mac_dev; params->internal_phy_node = priv->internal_phy_node; } static int tgec_initialization(struct mac_device *mac_dev) { int err; struct mac_priv_s *priv; struct fman_mac_params params; u32 version; priv = mac_dev->priv; set_fman_mac_params(mac_dev, ¶ms); mac_dev->fman_mac = tgec_config(¶ms); if (!mac_dev->fman_mac) { err = -EINVAL; goto _return; } err = tgec_cfg_max_frame_len(mac_dev->fman_mac, fman_get_max_frm()); if (err < 0) goto _return_fm_mac_free; err = tgec_init(mac_dev->fman_mac); if (err < 0) goto _return_fm_mac_free; /* For 10G MAC, disable Tx ECC exception */ err = mac_dev->set_exception(mac_dev->fman_mac, FM_MAC_EX_10G_TX_ECC_ER, false); if (err < 0) goto _return_fm_mac_free; err = tgec_get_version(mac_dev->fman_mac, &version); if (err < 0) goto _return_fm_mac_free; dev_info(priv->dev, "FMan XGEC version: 0x%08x\n", version); goto _return; _return_fm_mac_free: tgec_free(mac_dev->fman_mac); _return: return err; } static int dtsec_initialization(struct mac_device *mac_dev) { int err; struct mac_priv_s *priv; struct fman_mac_params params; u32 version; priv = mac_dev->priv; set_fman_mac_params(mac_dev, ¶ms); mac_dev->fman_mac = dtsec_config(¶ms); if (!mac_dev->fman_mac) { err = -EINVAL; goto _return; } err = dtsec_cfg_max_frame_len(mac_dev->fman_mac, fman_get_max_frm()); if (err < 0) goto _return_fm_mac_free; err = dtsec_cfg_pad_and_crc(mac_dev->fman_mac, true); if (err < 0) goto _return_fm_mac_free; err = dtsec_init(mac_dev->fman_mac); if (err < 0) goto _return_fm_mac_free; /* For 1G MAC, disable by default the MIB counters overflow interrupt */ err = mac_dev->set_exception(mac_dev->fman_mac, FM_MAC_EX_1G_RX_MIB_CNT_OVFL, false); if (err < 0) goto _return_fm_mac_free; err = dtsec_get_version(mac_dev->fman_mac, &version); if (err < 0) goto _return_fm_mac_free; dev_info(priv->dev, "FMan dTSEC version: 0x%08x\n", version); goto _return; _return_fm_mac_free: dtsec_free(mac_dev->fman_mac); _return: return err; } static int memac_initialization(struct mac_device *mac_dev) { int err; struct mac_priv_s *priv; struct fman_mac_params params; priv = mac_dev->priv; set_fman_mac_params(mac_dev, ¶ms); if (priv->max_speed == SPEED_10000) params.phy_if = PHY_INTERFACE_MODE_XGMII; mac_dev->fman_mac = memac_config(¶ms); if (!mac_dev->fman_mac) { err = -EINVAL; goto _return; } err = memac_cfg_max_frame_len(mac_dev->fman_mac, fman_get_max_frm()); if (err < 0) goto _return_fm_mac_free; err = memac_cfg_reset_on_init(mac_dev->fman_mac, true); if (err < 0) goto _return_fm_mac_free; err = memac_cfg_fixed_link(mac_dev->fman_mac, priv->fixed_link); if (err < 0) goto _return_fm_mac_free; err = memac_init(mac_dev->fman_mac); if (err < 0) goto _return_fm_mac_free; dev_info(priv->dev, "FMan MEMAC\n"); goto _return; _return_fm_mac_free: memac_free(mac_dev->fman_mac); _return: return err; } static int start(struct mac_device *mac_dev) { int err; struct phy_device *phy_dev = mac_dev->phy_dev; struct mac_priv_s *priv = mac_dev->priv; err = priv->enable(mac_dev->fman_mac, COMM_MODE_RX_AND_TX); if (!err && phy_dev) phy_start(phy_dev); return err; } static int stop(struct mac_device *mac_dev) { struct mac_priv_s *priv = mac_dev->priv; if (mac_dev->phy_dev) phy_stop(mac_dev->phy_dev); return priv->disable(mac_dev->fman_mac, COMM_MODE_RX_AND_TX); } static int set_multi(struct net_device *net_dev, struct mac_device *mac_dev) { struct mac_priv_s *priv; struct mac_address *old_addr, *tmp; struct netdev_hw_addr *ha; int err; enet_addr_t *addr; priv = mac_dev->priv; /* Clear previous address list */ list_for_each_entry_safe(old_addr, tmp, &priv->mc_addr_list, list) { addr = (enet_addr_t *)old_addr->addr; err = mac_dev->remove_hash_mac_addr(mac_dev->fman_mac, addr); if (err < 0) return err; list_del(&old_addr->list); kfree(old_addr); } /* Add all the addresses from the new list */ netdev_for_each_mc_addr(ha, net_dev) { addr = (enet_addr_t *)ha->addr; err = mac_dev->add_hash_mac_addr(mac_dev->fman_mac, addr); if (err < 0) return err; tmp = kmalloc(sizeof(*tmp), GFP_ATOMIC); if (!tmp) return -ENOMEM; ether_addr_copy(tmp->addr, ha->addr); list_add(&tmp->list, &priv->mc_addr_list); } return 0; } /** * fman_set_mac_active_pause * @mac_dev: A pointer to the MAC device * @rx: Pause frame setting for RX * @tx: Pause frame setting for TX * * Set the MAC RX/TX PAUSE frames settings * * Avoid redundant calls to FMD, if the MAC driver already contains the desired * active PAUSE settings. Otherwise, the new active settings should be reflected * in FMan. * * Return: 0 on success; Error code otherwise. */ int fman_set_mac_active_pause(struct mac_device *mac_dev, bool rx, bool tx) { struct fman_mac *fman_mac = mac_dev->fman_mac; int err = 0; if (rx != mac_dev->rx_pause_active) { err = mac_dev->set_rx_pause(fman_mac, rx); if (likely(err == 0)) mac_dev->rx_pause_active = rx; } if (tx != mac_dev->tx_pause_active) { u16 pause_time = (tx ? FSL_FM_PAUSE_TIME_ENABLE : FSL_FM_PAUSE_TIME_DISABLE); err = mac_dev->set_tx_pause(fman_mac, 0, pause_time, 0); if (likely(err == 0)) mac_dev->tx_pause_active = tx; } return err; } EXPORT_SYMBOL(fman_set_mac_active_pause); /** * fman_get_pause_cfg * @mac_dev: A pointer to the MAC device * @rx: Return value for RX setting * @tx: Return value for TX setting * * Determine the MAC RX/TX PAUSE frames settings based on PHY * autonegotiation or values set by eththool. * * Return: Pointer to FMan device. */ void fman_get_pause_cfg(struct mac_device *mac_dev, bool *rx_pause, bool *tx_pause) { struct phy_device *phy_dev = mac_dev->phy_dev; u16 lcl_adv, rmt_adv; u8 flowctrl; *rx_pause = *tx_pause = false; if (!phy_dev->duplex) return; /* If PAUSE autonegotiation is disabled, the TX/RX PAUSE settings * are those set by ethtool. */ if (!mac_dev->autoneg_pause) { *rx_pause = mac_dev->rx_pause_req; *tx_pause = mac_dev->tx_pause_req; return; } /* Else if PAUSE autonegotiation is enabled, the TX/RX PAUSE * settings depend on the result of the link negotiation. */ /* get local capabilities */ lcl_adv = linkmode_adv_to_lcl_adv_t(phy_dev->advertising); /* get link partner capabilities */ rmt_adv = 0; if (phy_dev->pause) rmt_adv |= LPA_PAUSE_CAP; if (phy_dev->asym_pause) rmt_adv |= LPA_PAUSE_ASYM; /* Calculate TX/RX settings based on local and peer advertised * symmetric/asymmetric PAUSE capabilities. */ flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv); if (flowctrl & FLOW_CTRL_RX) *rx_pause = true; if (flowctrl & FLOW_CTRL_TX) *tx_pause = true; } EXPORT_SYMBOL(fman_get_pause_cfg); static void adjust_link_void(struct mac_device *mac_dev) { } static void adjust_link_dtsec(struct mac_device *mac_dev) { struct phy_device *phy_dev = mac_dev->phy_dev; struct fman_mac *fman_mac; bool rx_pause, tx_pause; int err; fman_mac = mac_dev->fman_mac; if (!phy_dev->link) { dtsec_restart_autoneg(fman_mac); return; } dtsec_adjust_link(fman_mac, phy_dev->speed); fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause); err = fman_set_mac_active_pause(mac_dev, rx_pause, tx_pause); if (err < 0) dev_err(mac_dev->priv->dev, "fman_set_mac_active_pause() = %d\n", err); } static void adjust_link_memac(struct mac_device *mac_dev) { struct phy_device *phy_dev = mac_dev->phy_dev; struct fman_mac *fman_mac; bool rx_pause, tx_pause; int err; fman_mac = mac_dev->fman_mac; memac_adjust_link(fman_mac, phy_dev->speed); fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause); err = fman_set_mac_active_pause(mac_dev, rx_pause, tx_pause); if (err < 0) dev_err(mac_dev->priv->dev, "fman_set_mac_active_pause() = %d\n", err); } static void setup_dtsec(struct mac_device *mac_dev) { mac_dev->init = dtsec_initialization; mac_dev->set_promisc = dtsec_set_promiscuous; mac_dev->change_addr = dtsec_modify_mac_address; mac_dev->add_hash_mac_addr = dtsec_add_hash_mac_address; mac_dev->remove_hash_mac_addr = dtsec_del_hash_mac_address; mac_dev->set_tx_pause = dtsec_set_tx_pause_frames; mac_dev->set_rx_pause = dtsec_accept_rx_pause_frames; mac_dev->set_exception = dtsec_set_exception; mac_dev->set_allmulti = dtsec_set_allmulti; mac_dev->set_tstamp = dtsec_set_tstamp; mac_dev->set_multi = set_multi; mac_dev->start = start; mac_dev->stop = stop; mac_dev->adjust_link = adjust_link_dtsec; mac_dev->priv->enable = dtsec_enable; mac_dev->priv->disable = dtsec_disable; } static void setup_tgec(struct mac_device *mac_dev) { mac_dev->init = tgec_initialization; mac_dev->set_promisc = tgec_set_promiscuous; mac_dev->change_addr = tgec_modify_mac_address; mac_dev->add_hash_mac_addr = tgec_add_hash_mac_address; mac_dev->remove_hash_mac_addr = tgec_del_hash_mac_address; mac_dev->set_tx_pause = tgec_set_tx_pause_frames; mac_dev->set_rx_pause = tgec_accept_rx_pause_frames; mac_dev->set_exception = tgec_set_exception; mac_dev->set_allmulti = tgec_set_allmulti; mac_dev->set_tstamp = tgec_set_tstamp; mac_dev->set_multi = set_multi; mac_dev->start = start; mac_dev->stop = stop; mac_dev->adjust_link = adjust_link_void; mac_dev->priv->enable = tgec_enable; mac_dev->priv->disable = tgec_disable; } static void setup_memac(struct mac_device *mac_dev) { mac_dev->init = memac_initialization; mac_dev->set_promisc = memac_set_promiscuous; mac_dev->change_addr = memac_modify_mac_address; mac_dev->add_hash_mac_addr = memac_add_hash_mac_address; mac_dev->remove_hash_mac_addr = memac_del_hash_mac_address; mac_dev->set_tx_pause = memac_set_tx_pause_frames; mac_dev->set_rx_pause = memac_accept_rx_pause_frames; mac_dev->set_exception = memac_set_exception; mac_dev->set_allmulti = memac_set_allmulti; mac_dev->set_tstamp = memac_set_tstamp; mac_dev->set_multi = set_multi; mac_dev->start = start; mac_dev->stop = stop; mac_dev->adjust_link = adjust_link_memac; mac_dev->priv->enable = memac_enable; mac_dev->priv->disable = memac_disable; } #define DTSEC_SUPPORTED \ (SUPPORTED_10baseT_Half \ | SUPPORTED_10baseT_Full \ | SUPPORTED_100baseT_Half \ | SUPPORTED_100baseT_Full \ | SUPPORTED_Autoneg \ | SUPPORTED_Pause \ | SUPPORTED_Asym_Pause \ | SUPPORTED_MII) static DEFINE_MUTEX(eth_lock); static const u16 phy2speed[] = { [PHY_INTERFACE_MODE_MII] = SPEED_100, [PHY_INTERFACE_MODE_GMII] = SPEED_1000, [PHY_INTERFACE_MODE_SGMII] = SPEED_1000, [PHY_INTERFACE_MODE_TBI] = SPEED_1000, [PHY_INTERFACE_MODE_RMII] = SPEED_100, [PHY_INTERFACE_MODE_RGMII] = SPEED_1000, [PHY_INTERFACE_MODE_RGMII_ID] = SPEED_1000, [PHY_INTERFACE_MODE_RGMII_RXID] = SPEED_1000, [PHY_INTERFACE_MODE_RGMII_TXID] = SPEED_1000, [PHY_INTERFACE_MODE_RTBI] = SPEED_1000, [PHY_INTERFACE_MODE_QSGMII] = SPEED_1000, [PHY_INTERFACE_MODE_XGMII] = SPEED_10000 }; static struct platform_device *dpaa_eth_add_device(int fman_id, struct mac_device *mac_dev) { struct platform_device *pdev; struct dpaa_eth_data data; struct mac_priv_s *priv; static int dpaa_eth_dev_cnt; int ret; priv = mac_dev->priv; data.mac_dev = mac_dev; data.mac_hw_id = priv->cell_index; data.fman_hw_id = fman_id; mutex_lock(ð_lock); pdev = platform_device_alloc("dpaa-ethernet", dpaa_eth_dev_cnt); if (!pdev) { ret = -ENOMEM; goto no_mem; } pdev->dev.parent = priv->dev; ret = platform_device_add_data(pdev, &data, sizeof(data)); if (ret) goto err; ret = platform_device_add(pdev); if (ret) goto err; dpaa_eth_dev_cnt++; mutex_unlock(ð_lock); return pdev; err: platform_device_put(pdev); no_mem: mutex_unlock(ð_lock); return ERR_PTR(ret); } static const struct of_device_id mac_match[] = { { .compatible = "fsl,fman-dtsec" }, { .compatible = "fsl,fman-xgec" }, { .compatible = "fsl,fman-memac" }, {} }; MODULE_DEVICE_TABLE(of, mac_match); static int mac_probe(struct platform_device *_of_dev) { int err, i, nph; struct device *dev; struct device_node *mac_node, *dev_node; struct mac_device *mac_dev; struct platform_device *of_dev; struct resource res; struct mac_priv_s *priv; const u8 *mac_addr; u32 val; u8 fman_id; phy_interface_t phy_if; dev = &_of_dev->dev; mac_node = dev->of_node; mac_dev = devm_kzalloc(dev, sizeof(*mac_dev), GFP_KERNEL); if (!mac_dev) { err = -ENOMEM; goto _return; } priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) { err = -ENOMEM; goto _return; } /* Save private information */ mac_dev->priv = priv; priv->dev = dev; if (of_device_is_compatible(mac_node, "fsl,fman-dtsec")) { setup_dtsec(mac_dev); priv->internal_phy_node = of_parse_phandle(mac_node, "tbi-handle", 0); } else if (of_device_is_compatible(mac_node, "fsl,fman-xgec")) { setup_tgec(mac_dev); } else if (of_device_is_compatible(mac_node, "fsl,fman-memac")) { setup_memac(mac_dev); priv->internal_phy_node = of_parse_phandle(mac_node, "pcsphy-handle", 0); } else { dev_err(dev, "MAC node (%pOF) contains unsupported MAC\n", mac_node); err = -EINVAL; goto _return; } INIT_LIST_HEAD(&priv->mc_addr_list); /* Get the FM node */ dev_node = of_get_parent(mac_node); if (!dev_node) { dev_err(dev, "of_get_parent(%pOF) failed\n", mac_node); err = -EINVAL; goto _return_of_get_parent; } of_dev = of_find_device_by_node(dev_node); if (!of_dev) { dev_err(dev, "of_find_device_by_node(%pOF) failed\n", dev_node); err = -EINVAL; goto _return_of_node_put; } /* Get the FMan cell-index */ err = of_property_read_u32(dev_node, "cell-index", &val); if (err) { dev_err(dev, "failed to read cell-index for %pOF\n", dev_node); err = -EINVAL; goto _return_of_node_put; } /* cell-index 0 => FMan id 1 */ fman_id = (u8)(val + 1); priv->fman = fman_bind(&of_dev->dev); if (!priv->fman) { dev_err(dev, "fman_bind(%pOF) failed\n", dev_node); err = -ENODEV; goto _return_of_node_put; } of_node_put(dev_node); /* Get the address of the memory mapped registers */ err = of_address_to_resource(mac_node, 0, &res); if (err < 0) { dev_err(dev, "of_address_to_resource(%pOF) = %d\n", mac_node, err); goto _return_of_get_parent; } mac_dev->res = __devm_request_region(dev, fman_get_mem_region(priv->fman), res.start, resource_size(&res), "mac"); if (!mac_dev->res) { dev_err(dev, "__devm_request_mem_region(mac) failed\n"); err = -EBUSY; goto _return_of_get_parent; } priv->vaddr = devm_ioremap(dev, mac_dev->res->start, resource_size(mac_dev->res)); if (!priv->vaddr) { dev_err(dev, "devm_ioremap() failed\n"); err = -EIO; goto _return_of_get_parent; } if (!of_device_is_available(mac_node)) { err = -ENODEV; goto _return_of_get_parent; } /* Get the cell-index */ err = of_property_read_u32(mac_node, "cell-index", &val); if (err) { dev_err(dev, "failed to read cell-index for %pOF\n", mac_node); err = -EINVAL; goto _return_of_get_parent; } priv->cell_index = (u8)val; /* Get the MAC address */ mac_addr = of_get_mac_address(mac_node); if (IS_ERR(mac_addr)) dev_warn(dev, "of_get_mac_address(%pOF) failed\n", mac_node); else ether_addr_copy(mac_dev->addr, mac_addr); /* Get the port handles */ nph = of_count_phandle_with_args(mac_node, "fsl,fman-ports", NULL); if (unlikely(nph < 0)) { dev_err(dev, "of_count_phandle_with_args(%pOF, fsl,fman-ports) failed\n", mac_node); err = nph; goto _return_of_get_parent; } if (nph != ARRAY_SIZE(mac_dev->port)) { dev_err(dev, "Not supported number of fman-ports handles of mac node %pOF from device tree\n", mac_node); err = -EINVAL; goto _return_of_get_parent; } for (i = 0; i < ARRAY_SIZE(mac_dev->port); i++) { /* Find the port node */ dev_node = of_parse_phandle(mac_node, "fsl,fman-ports", i); if (!dev_node) { dev_err(dev, "of_parse_phandle(%pOF, fsl,fman-ports) failed\n", mac_node); err = -EINVAL; goto _return_of_node_put; } of_dev = of_find_device_by_node(dev_node); if (!of_dev) { dev_err(dev, "of_find_device_by_node(%pOF) failed\n", dev_node); err = -EINVAL; goto _return_of_node_put; } mac_dev->port[i] = fman_port_bind(&of_dev->dev); if (!mac_dev->port[i]) { dev_err(dev, "dev_get_drvdata(%pOF) failed\n", dev_node); err = -EINVAL; goto _return_of_node_put; } of_node_put(dev_node); } /* Get the PHY connection type */ err = of_get_phy_mode(mac_node, &phy_if); if (err) { dev_warn(dev, "of_get_phy_mode() for %pOF failed. Defaulting to SGMII\n", mac_node); phy_if = PHY_INTERFACE_MODE_SGMII; } mac_dev->phy_if = phy_if; priv->speed = phy2speed[mac_dev->phy_if]; priv->max_speed = priv->speed; mac_dev->if_support = DTSEC_SUPPORTED; /* We don't support half-duplex in SGMII mode */ if (mac_dev->phy_if == PHY_INTERFACE_MODE_SGMII) mac_dev->if_support &= ~(SUPPORTED_10baseT_Half | SUPPORTED_100baseT_Half); /* Gigabit support (no half-duplex) */ if (priv->max_speed == 1000) mac_dev->if_support |= SUPPORTED_1000baseT_Full; /* The 10G interface only supports one mode */ if (mac_dev->phy_if == PHY_INTERFACE_MODE_XGMII) mac_dev->if_support = SUPPORTED_10000baseT_Full; /* Get the rest of the PHY information */ mac_dev->phy_node = of_parse_phandle(mac_node, "phy-handle", 0); if (!mac_dev->phy_node && of_phy_is_fixed_link(mac_node)) { struct phy_device *phy; err = of_phy_register_fixed_link(mac_node); if (err) goto _return_of_get_parent; priv->fixed_link = kzalloc(sizeof(*priv->fixed_link), GFP_KERNEL); if (!priv->fixed_link) { err = -ENOMEM; goto _return_of_get_parent; } mac_dev->phy_node = of_node_get(mac_node); phy = of_phy_find_device(mac_dev->phy_node); if (!phy) { err = -EINVAL; of_node_put(mac_dev->phy_node); goto _return_of_get_parent; } priv->fixed_link->link = phy->link; priv->fixed_link->speed = phy->speed; priv->fixed_link->duplex = phy->duplex; priv->fixed_link->pause = phy->pause; priv->fixed_link->asym_pause = phy->asym_pause; put_device(&phy->mdio.dev); } err = mac_dev->init(mac_dev); if (err < 0) { dev_err(dev, "mac_dev->init() = %d\n", err); of_node_put(mac_dev->phy_node); goto _return_of_get_parent; } /* pause frame autonegotiation enabled */ mac_dev->autoneg_pause = true; /* By intializing the values to false, force FMD to enable PAUSE frames * on RX and TX */ mac_dev->rx_pause_req = true; mac_dev->tx_pause_req = true; mac_dev->rx_pause_active = false; mac_dev->tx_pause_active = false; err = fman_set_mac_active_pause(mac_dev, true, true); if (err < 0) dev_err(dev, "fman_set_mac_active_pause() = %d\n", err); if (!IS_ERR(mac_addr)) dev_info(dev, "FMan MAC address: %pM\n", mac_dev->addr); priv->eth_dev = dpaa_eth_add_device(fman_id, mac_dev); if (IS_ERR(priv->eth_dev)) { dev_err(dev, "failed to add Ethernet platform device for MAC %d\n", priv->cell_index); priv->eth_dev = NULL; } goto _return; _return_of_node_put: of_node_put(dev_node); _return_of_get_parent: kfree(priv->fixed_link); _return: return err; } static struct platform_driver mac_driver = { .driver = { .name = KBUILD_MODNAME, .of_match_table = mac_match, }, .probe = mac_probe, }; builtin_platform_driver(mac_driver);
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