diff options
Diffstat (limited to 'drivers/staging/octeon/ethernet-mdio.c')
| -rw-r--r-- | drivers/staging/octeon/ethernet-mdio.c | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c deleted file mode 100644 index c798672d61b2..000000000000 --- a/drivers/staging/octeon/ethernet-mdio.c +++ /dev/null @@ -1,178 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * This file is based on code from OCTEON SDK by Cavium Networks. - * - * Copyright (c) 2003-2007 Cavium Networks - */ - -#include <linux/kernel.h> -#include <linux/ethtool.h> -#include <linux/phy.h> -#include <linux/ratelimit.h> -#include <linux/of_mdio.h> -#include <generated/utsrelease.h> -#include <net/dst.h> - -#include "octeon-ethernet.h" -#include "ethernet-defines.h" -#include "ethernet-mdio.h" -#include "ethernet-util.h" - -static void cvm_oct_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); - strlcpy(info->version, UTS_RELEASE, sizeof(info->version)); - strlcpy(info->bus_info, "Builtin", sizeof(info->bus_info)); -} - -static int cvm_oct_nway_reset(struct net_device *dev) -{ - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - if (dev->phydev) - return phy_start_aneg(dev->phydev); - - return -EINVAL; -} - -const struct ethtool_ops cvm_oct_ethtool_ops = { - .get_drvinfo = cvm_oct_get_drvinfo, - .nway_reset = cvm_oct_nway_reset, - .get_link = ethtool_op_get_link, - .get_link_ksettings = phy_ethtool_get_link_ksettings, - .set_link_ksettings = phy_ethtool_set_link_ksettings, -}; - -/** - * cvm_oct_ioctl - IOCTL support for PHY control - * @dev: Device to change - * @rq: the request - * @cmd: the command - * - * Returns Zero on success - */ -int cvm_oct_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -{ - if (!netif_running(dev)) - return -EINVAL; - - if (!dev->phydev) - return -EINVAL; - - return phy_mii_ioctl(dev->phydev, rq, cmd); -} - -void cvm_oct_note_carrier(struct octeon_ethernet *priv, - union cvmx_helper_link_info li) -{ - if (li.s.link_up) { - pr_notice_ratelimited("%s: %u Mbps %s duplex, port %d, queue %d\n", - netdev_name(priv->netdev), li.s.speed, - (li.s.full_duplex) ? "Full" : "Half", - priv->port, priv->queue); - } else { - pr_notice_ratelimited("%s: Link down\n", - netdev_name(priv->netdev)); - } -} - -void cvm_oct_adjust_link(struct net_device *dev) -{ - struct octeon_ethernet *priv = netdev_priv(dev); - union cvmx_helper_link_info link_info; - - link_info.u64 = 0; - link_info.s.link_up = dev->phydev->link ? 1 : 0; - link_info.s.full_duplex = dev->phydev->duplex ? 1 : 0; - link_info.s.speed = dev->phydev->speed; - priv->link_info = link_info.u64; - - /* - * The polling task need to know about link status changes. - */ - if (priv->poll) - priv->poll(dev); - - if (priv->last_link != dev->phydev->link) { - priv->last_link = dev->phydev->link; - cvmx_helper_link_set(priv->port, link_info); - cvm_oct_note_carrier(priv, link_info); - } -} - -int cvm_oct_common_stop(struct net_device *dev) -{ - struct octeon_ethernet *priv = netdev_priv(dev); - int interface = INTERFACE(priv->port); - union cvmx_helper_link_info link_info; - union cvmx_gmxx_prtx_cfg gmx_cfg; - int index = INDEX(priv->port); - - gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface)); - gmx_cfg.s.en = 0; - cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64); - - priv->poll = NULL; - - if (dev->phydev) - phy_disconnect(dev->phydev); - - if (priv->last_link) { - link_info.u64 = 0; - priv->last_link = 0; - - cvmx_helper_link_set(priv->port, link_info); - cvm_oct_note_carrier(priv, link_info); - } - return 0; -} - -/** - * cvm_oct_phy_setup_device - setup the PHY - * - * @dev: Device to setup - * - * Returns Zero on success, negative on failure - */ -int cvm_oct_phy_setup_device(struct net_device *dev) -{ - struct octeon_ethernet *priv = netdev_priv(dev); - struct device_node *phy_node; - struct phy_device *phydev = NULL; - - if (!priv->of_node) - goto no_phy; - - phy_node = of_parse_phandle(priv->of_node, "phy-handle", 0); - if (!phy_node && of_phy_is_fixed_link(priv->of_node)) { - int rc; - - rc = of_phy_register_fixed_link(priv->of_node); - if (rc) - return rc; - - phy_node = of_node_get(priv->of_node); - } - if (!phy_node) - goto no_phy; - - phydev = of_phy_connect(dev, phy_node, cvm_oct_adjust_link, 0, - priv->phy_mode); - of_node_put(phy_node); - - if (!phydev) - return -ENODEV; - - priv->last_link = 0; - phy_start(phydev); - - return 0; -no_phy: - /* If there is no phy, assume a direct MAC connection and that - * the link is up. - */ - netif_carrier_on(dev); - return 0; -} |