+// SPDX-License-Identifier: GPL-2.0
/*
- * Driver for MediaTek MT753x gigabit switch
- *
- * Copyright (C) 2018 MediaTek Inc. All Rights Reserved.
- *
+ * Copyright (c) 2018 MediaTek Inc.
* Author: Weijie Gao <weijie.gao@mediatek.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <linux/kernel.h>
mutex_unlock(&gsw->mii_lock);
}
+static inline int mt753x_get_duplex(const struct device_node *np)
+{
+ return of_property_read_bool(np, "full-duplex");
+}
+
static void mt753x_load_port_cfg(struct gsw_mt753x *gsw)
{
struct device_node *port_np;
u32 speed;
port_cfg->force_link = 1;
- port_cfg->duplex = of_property_read_bool(
- fixed_link_node,
- "full-duplex");
+ port_cfg->duplex = mt753x_get_duplex(fixed_link_node);
if (of_property_read_u32(fixed_link_node, "speed",
&speed)) {
mutex_unlock(&mt753x_devs_lock);
}
+
struct gsw_mt753x *mt753x_get_gsw(u32 id)
{
struct gsw_mt753x *dev;
return 0;
}
-static int mt753x_mdio_read(struct mii_bus *bus, int addr, int reg)
-{
- struct gsw_mt753x *gsw = bus->priv;
-
- return gsw->mii_read(gsw, addr, reg);
-}
-
-static int mt753x_mdio_write(struct mii_bus *bus, int addr, int reg, u16 val)
-{
- struct gsw_mt753x *gsw = bus->priv;
-
- gsw->mii_write(gsw, addr, reg, val);
-
- return 0;
-}
-
-static const struct net_device_ops mt753x_dummy_netdev_ops = {
-};
-
-static void mt753x_phy_link_handler(struct net_device *dev)
-{
- struct mt753x_phy *phy = container_of(dev, struct mt753x_phy, netdev);
- struct phy_device *phydev = phy->phydev;
- struct gsw_mt753x *gsw = phy->gsw;
- u32 port = phy - gsw->phys;
-
- if (phydev->link) {
- dev_info(gsw->dev,
- "Port %d Link is Up - %s/%s - flow control %s\n",
- port, phy_speed_to_str(phydev->speed),
- (phydev->duplex == DUPLEX_FULL) ? "Full" : "Half",
- phydev->pause ? "rx/tx" : "off");
- } else {
- dev_info(gsw->dev, "Port %d Link is Down\n", port);
- }
-}
-
-static void mt753x_connect_internal_phys(struct gsw_mt753x *gsw,
- struct device_node *mii_np)
-{
- struct device_node *phy_np;
- struct mt753x_phy *phy;
- int phy_mode;
- u32 phyad;
-
- if (!mii_np)
- return;
-
- for_each_child_of_node(mii_np, phy_np) {
- if (of_property_read_u32(phy_np, "reg", &phyad))
- continue;
-
- if (phyad >= MT753X_NUM_PHYS)
- continue;
-
- phy_mode = of_get_phy_mode(phy_np);
- if (phy_mode < 0) {
- dev_info(gsw->dev, "incorrect phy-mode %d for PHY %d\n",
- phy_mode, phyad);
- continue;
- }
-
- phy = &gsw->phys[phyad];
- phy->gsw = gsw;
-
- init_dummy_netdev(&phy->netdev);
- phy->netdev.netdev_ops = &mt753x_dummy_netdev_ops;
-
- phy->phydev = of_phy_connect(&phy->netdev, phy_np,
- mt753x_phy_link_handler, 0, phy_mode);
- if (!phy->phydev) {
- dev_info(gsw->dev, "could not connect to PHY %d\n",
- phyad);
- continue;
- }
-
- phy_start(phy->phydev);
- }
-}
-
-static void mt753x_disconnect_internal_phys(struct gsw_mt753x *gsw)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(gsw->phys); i++) {
- if (gsw->phys[i].phydev) {
- phy_stop(gsw->phys[i].phydev);
- phy_disconnect(gsw->phys[i].phydev);
- gsw->phys[i].phydev = NULL;
- }
- }
-}
-
-static int mt753x_mdio_register(struct gsw_mt753x *gsw)
-{
- struct device_node *mii_np;
- int i, ret;
-
- mii_np = of_get_child_by_name(gsw->dev->of_node, "mdio-bus");
- if (mii_np && !of_device_is_available(mii_np)) {
- ret = -ENODEV;
- goto err_put_node;
- }
-
- gsw->gphy_bus = devm_mdiobus_alloc(gsw->dev);
- if (!gsw->gphy_bus) {
- ret = -ENOMEM;
- goto err_put_node;
- }
-
- gsw->gphy_bus->name = "mt753x_mdio";
- gsw->gphy_bus->read = mt753x_mdio_read;
- gsw->gphy_bus->write = mt753x_mdio_write;
- gsw->gphy_bus->priv = gsw;
- gsw->gphy_bus->parent = gsw->dev;
- gsw->gphy_bus->phy_mask = BIT(MT753X_NUM_PHYS) - 1;
-
- for (i = 0; i < PHY_MAX_ADDR; i++)
- gsw->gphy_bus->irq[i] = PHY_POLL;
-
- if (mii_np)
- snprintf(gsw->gphy_bus->id, MII_BUS_ID_SIZE, "%s@%s",
- mii_np->name, gsw->dev->of_node->name);
- else
- snprintf(gsw->gphy_bus->id, MII_BUS_ID_SIZE, "mdio@%s",
- gsw->dev->of_node->name);
-
- ret = of_mdiobus_register(gsw->gphy_bus, mii_np);
-
- if (ret) {
- devm_mdiobus_free(gsw->dev, gsw->gphy_bus);
- gsw->gphy_bus = NULL;
- } else {
- if (gsw->phy_status_poll)
- mt753x_connect_internal_phys(gsw, mii_np);
- }
-
-err_put_node:
- if (mii_np)
- of_node_put(mii_np);
-
- return ret;
-}
-
static irqreturn_t mt753x_irq_handler(int irq, void *dev)
{
struct gsw_mt753x *gsw = dev;
struct mii_bus *mdio_bus;
int ret = -EINVAL;
struct chip_rev rev;
+ struct mt753x_mapping *map;
int i;
mdio = of_parse_phandle(np, "mediatek,mdio", 0);
mutex_init(&gsw->mii_lock);
/* Switch hard reset */
- mt753x_hw_reset(gsw);
+ if (mt753x_hw_reset(gsw))
+ goto fail;
/* Fetch the SMI address dirst */
if (of_property_read_u32(np, "mediatek,smi-addr", &gsw->smi_addr))
gsw->smi_addr = MT753X_DFL_SMI_ADDR;
+ /* Get LAN/WAN port mapping */
+ map = mt753x_find_mapping(np);
+ if (map) {
+ mt753x_apply_mapping(gsw, map);
+ gsw->global_vlan_enable = 1;
+ dev_info(gsw->dev, "LAN/WAN VLAN setting=%s\n", map->name);
+ }
+
/* Load MAC port configurations */
mt753x_load_port_cfg(gsw);
mt753x_add_gsw(gsw);
- mt753x_mdio_register(gsw);
-
-#ifdef CONFIG_SWCONFIG
mt753x_swconfig_init(gsw);
-#endif
if (sw->post_init)
sw->post_init(gsw);
mt753x_swconfig_destroy(gsw);
#endif
- mt753x_disconnect_internal_phys(gsw);
-
- mdiobus_unregister(gsw->gphy_bus);
-
mt753x_remove_gsw(gsw);
platform_set_drvdata(pdev, NULL);
projects / openwrt / staging / jow.git / blobdiff