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https://github.com/edk2-porting/linux-next.git
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net: ethernet: mediatek: Add basic PHYLINK support
This convert the basics to PHYLINK API. SGMII support is not in this patch. Signed-off-by: René van Dorst <opensource@vdorst.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
René van Dorst
David S. Miller
parent
cb6ec9754b
commit
b8fc9f3082
@ -9,7 +9,7 @@ if NET_VENDOR_MEDIATEK
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config NET_MEDIATEK_SOC
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tristate "MediaTek SoC Gigabit Ethernet support"
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select PHYLIB
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select PHYLINK
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---help---
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This driver supports the gigabit ethernet MACs in the
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MediaTek SoC family.
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@ -18,6 +18,7 @@
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#include <linux/tcp.h>
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#include <linux/interrupt.h>
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#include <linux/pinctrl/devinfo.h>
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#include <linux/phylink.h>
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#include "mtk_eth_soc.h"
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@ -186,168 +187,224 @@ static void mtk_gmac0_rgmii_adjust(struct mtk_eth *eth, int speed)
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mtk_w32(eth, val, TRGMII_TCK_CTRL);
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}
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static void mtk_phy_link_adjust(struct net_device *dev)
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static void mtk_mac_config(struct phylink_config *config, unsigned int mode,
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const struct phylink_link_state *state)
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{
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struct mtk_mac *mac = netdev_priv(dev);
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u16 lcl_adv = 0, rmt_adv = 0;
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u8 flowctrl;
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u32 mcr = MAC_MCR_MAX_RX_1536 | MAC_MCR_IPG_CFG |
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MAC_MCR_FORCE_MODE | MAC_MCR_TX_EN |
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MAC_MCR_RX_EN | MAC_MCR_BACKOFF_EN |
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MAC_MCR_BACKPR_EN;
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struct mtk_mac *mac = container_of(config, struct mtk_mac,
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phylink_config);
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struct mtk_eth *eth = mac->hw;
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u32 mcr_cur, mcr_new;
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int val, ge_mode = 0;
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if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state)))
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return;
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switch (dev->phydev->speed) {
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case SPEED_1000:
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mcr |= MAC_MCR_SPEED_1000;
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break;
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case SPEED_100:
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mcr |= MAC_MCR_SPEED_100;
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break;
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}
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if (MTK_HAS_CAPS(mac->hw->soc->caps, MTK_GMAC1_TRGMII) && !mac->id) {
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if (MTK_HAS_CAPS(mac->hw->soc->caps, MTK_TRGMII_MT7621_CLK)) {
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if (mt7621_gmac0_rgmii_adjust(mac->hw,
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dev->phydev->interface))
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return;
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} else {
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if (!mac->trgmii)
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mtk_gmac0_rgmii_adjust(mac->hw,
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dev->phydev->speed);
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}
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}
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if (dev->phydev->link)
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mcr |= MAC_MCR_FORCE_LINK;
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if (dev->phydev->duplex) {
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mcr |= MAC_MCR_FORCE_DPX;
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if (dev->phydev->pause)
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rmt_adv = LPA_PAUSE_CAP;
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if (dev->phydev->asym_pause)
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rmt_adv |= LPA_PAUSE_ASYM;
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lcl_adv = linkmode_adv_to_lcl_adv_t(dev->phydev->advertising);
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flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
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if (flowctrl & FLOW_CTRL_TX)
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mcr |= MAC_MCR_FORCE_TX_FC;
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if (flowctrl & FLOW_CTRL_RX)
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mcr |= MAC_MCR_FORCE_RX_FC;
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netif_dbg(mac->hw, link, dev, "rx pause %s, tx pause %s\n",
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flowctrl & FLOW_CTRL_RX ? "enabled" : "disabled",
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flowctrl & FLOW_CTRL_TX ? "enabled" : "disabled");
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}
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mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id));
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if (!of_phy_is_fixed_link(mac->of_node))
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phy_print_status(dev->phydev);
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}
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static int mtk_phy_connect_node(struct mtk_eth *eth, struct mtk_mac *mac,
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struct device_node *phy_node)
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{
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struct phy_device *phydev;
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int phy_mode;
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phy_mode = of_get_phy_mode(phy_node);
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if (phy_mode < 0) {
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dev_err(eth->dev, "incorrect phy-mode %d\n", phy_mode);
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return -EINVAL;
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}
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phydev = of_phy_connect(eth->netdev[mac->id], phy_node,
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mtk_phy_link_adjust, 0, phy_mode);
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if (!phydev) {
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dev_err(eth->dev, "could not connect to PHY\n");
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return -ENODEV;
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}
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dev_info(eth->dev,
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"connected mac %d to PHY at %s [uid=%08x, driver=%s]\n",
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mac->id, phydev_name(phydev), phydev->phy_id,
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phydev->drv->name);
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return 0;
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}
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static int mtk_phy_connect(struct net_device *dev)
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{
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struct mtk_mac *mac = netdev_priv(dev);
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struct mtk_eth *eth;
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struct device_node *np;
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u32 val;
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int err;
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eth = mac->hw;
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np = of_parse_phandle(mac->of_node, "phy-handle", 0);
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if (!np && of_phy_is_fixed_link(mac->of_node))
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if (!of_phy_register_fixed_link(mac->of_node))
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np = of_node_get(mac->of_node);
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if (!np)
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return -ENODEV;
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err = mtk_setup_hw_path(eth, mac->id, of_get_phy_mode(np));
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if (err)
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goto err_phy;
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mac->ge_mode = 0;
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switch (of_get_phy_mode(np)) {
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case PHY_INTERFACE_MODE_TRGMII:
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mac->trgmii = true;
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case PHY_INTERFACE_MODE_RGMII_TXID:
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case PHY_INTERFACE_MODE_RGMII_RXID:
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case PHY_INTERFACE_MODE_RGMII_ID:
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case PHY_INTERFACE_MODE_RGMII:
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case PHY_INTERFACE_MODE_SGMII:
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break;
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case PHY_INTERFACE_MODE_MII:
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case PHY_INTERFACE_MODE_GMII:
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mac->ge_mode = 1;
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break;
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case PHY_INTERFACE_MODE_REVMII:
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mac->ge_mode = 2;
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break;
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case PHY_INTERFACE_MODE_RMII:
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if (!mac->id)
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/* MT76x8 has no hardware settings between for the MAC */
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if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) &&
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mac->interface != state->interface) {
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/* Setup soc pin functions */
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switch (state->interface) {
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case PHY_INTERFACE_MODE_TRGMII:
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if (mac->id)
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goto err_phy;
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if (!MTK_HAS_CAPS(mac->hw->soc->caps,
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MTK_GMAC1_TRGMII))
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goto err_phy;
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/* fall through */
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case PHY_INTERFACE_MODE_GMII:
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case PHY_INTERFACE_MODE_RGMII_TXID:
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case PHY_INTERFACE_MODE_RGMII_RXID:
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case PHY_INTERFACE_MODE_RGMII_ID:
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case PHY_INTERFACE_MODE_RGMII:
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break;
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case PHY_INTERFACE_MODE_MII:
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ge_mode = 1;
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break;
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case PHY_INTERFACE_MODE_REVMII:
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ge_mode = 2;
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break;
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case PHY_INTERFACE_MODE_RMII:
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if (mac->id)
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goto err_phy;
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ge_mode = 3;
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break;
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default:
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goto err_phy;
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mac->ge_mode = 3;
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break;
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default:
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goto err_phy;
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}
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}
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/* Setup clock for 1st gmac */
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if (!mac->id &&
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MTK_HAS_CAPS(mac->hw->soc->caps, MTK_GMAC1_TRGMII)) {
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if (MTK_HAS_CAPS(mac->hw->soc->caps,
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MTK_TRGMII_MT7621_CLK)) {
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if (mt7621_gmac0_rgmii_adjust(mac->hw,
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state->interface))
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goto err_phy;
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} else {
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if (state->interface !=
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PHY_INTERFACE_MODE_TRGMII)
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mtk_gmac0_rgmii_adjust(mac->hw,
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state->speed);
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}
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}
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/* No MT7628/88 support for now */
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if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) {
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/* put the gmac into the right mode */
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regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val);
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val &= ~SYSCFG0_GE_MODE(SYSCFG0_GE_MASK, mac->id);
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val |= SYSCFG0_GE_MODE(mac->ge_mode, mac->id);
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val |= SYSCFG0_GE_MODE(ge_mode, mac->id);
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regmap_write(eth->ethsys, ETHSYS_SYSCFG0, val);
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mac->interface = state->interface;
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}
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/* couple phydev to net_device */
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if (mtk_phy_connect_node(eth, mac, np))
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goto err_phy;
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/* Setup gmac */
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mcr_cur = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id));
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mcr_new = mcr_cur;
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mcr_new &= ~(MAC_MCR_SPEED_100 | MAC_MCR_SPEED_1000 |
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MAC_MCR_FORCE_DPX | MAC_MCR_FORCE_TX_FC |
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MAC_MCR_FORCE_RX_FC);
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mcr_new |= MAC_MCR_MAX_RX_1536 | MAC_MCR_IPG_CFG | MAC_MCR_FORCE_MODE |
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MAC_MCR_BACKOFF_EN | MAC_MCR_BACKPR_EN | MAC_MCR_FORCE_LINK;
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of_node_put(np);
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switch (state->speed) {
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case SPEED_1000:
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mcr_new |= MAC_MCR_SPEED_1000;
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break;
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case SPEED_100:
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mcr_new |= MAC_MCR_SPEED_100;
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break;
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}
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if (state->duplex == DUPLEX_FULL) {
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mcr_new |= MAC_MCR_FORCE_DPX;
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if (state->pause & MLO_PAUSE_TX)
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mcr_new |= MAC_MCR_FORCE_TX_FC;
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if (state->pause & MLO_PAUSE_RX)
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mcr_new |= MAC_MCR_FORCE_RX_FC;
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}
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return 0;
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/* Only update control register when needed! */
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if (mcr_new != mcr_cur)
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mtk_w32(mac->hw, mcr_new, MTK_MAC_MCR(mac->id));
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return;
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err_phy:
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if (of_phy_is_fixed_link(mac->of_node))
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of_phy_deregister_fixed_link(mac->of_node);
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of_node_put(np);
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dev_err(eth->dev, "%s: invalid phy\n", __func__);
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return -EINVAL;
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dev_err(eth->dev, "%s: GMAC%d mode %s not supported!\n", __func__,
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mac->id, phy_modes(state->interface));
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}
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static int mtk_mac_link_state(struct phylink_config *config,
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struct phylink_link_state *state)
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{
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struct mtk_mac *mac = container_of(config, struct mtk_mac,
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phylink_config);
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u32 pmsr = mtk_r32(mac->hw, MTK_MAC_MSR(mac->id));
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state->link = (pmsr & MAC_MSR_LINK);
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state->duplex = (pmsr & MAC_MSR_DPX) >> 1;
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switch (pmsr & (MAC_MSR_SPEED_1000 | MAC_MSR_SPEED_100)) {
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case 0:
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state->speed = SPEED_10;
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break;
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case MAC_MSR_SPEED_100:
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state->speed = SPEED_100;
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break;
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case MAC_MSR_SPEED_1000:
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state->speed = SPEED_1000;
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break;
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default:
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state->speed = SPEED_UNKNOWN;
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break;
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}
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state->pause &= (MLO_PAUSE_RX | MLO_PAUSE_TX);
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if (pmsr & MAC_MSR_RX_FC)
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state->pause |= MLO_PAUSE_RX;
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if (pmsr & MAC_MSR_TX_FC)
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state->pause |= MLO_PAUSE_TX;
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return 1;
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}
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static void mtk_mac_an_restart(struct phylink_config *config)
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{
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/* Do nothing */
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}
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static void mtk_mac_link_down(struct phylink_config *config, unsigned int mode,
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phy_interface_t interface)
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{
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struct mtk_mac *mac = container_of(config, struct mtk_mac,
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phylink_config);
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u32 mcr = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id));
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mcr &= ~(MAC_MCR_TX_EN | MAC_MCR_RX_EN);
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mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id));
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}
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static void mtk_mac_link_up(struct phylink_config *config, unsigned int mode,
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phy_interface_t interface,
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struct phy_device *phy)
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{
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struct mtk_mac *mac = container_of(config, struct mtk_mac,
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phylink_config);
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u32 mcr = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id));
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mcr |= MAC_MCR_TX_EN | MAC_MCR_RX_EN;
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mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id));
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}
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static void mtk_validate(struct phylink_config *config,
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unsigned long *supported,
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struct phylink_link_state *state)
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{
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struct mtk_mac *mac = container_of(config, struct mtk_mac,
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phylink_config);
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__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
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if (state->interface != PHY_INTERFACE_MODE_NA &&
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state->interface != PHY_INTERFACE_MODE_MII &&
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state->interface != PHY_INTERFACE_MODE_GMII &&
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!(MTK_HAS_CAPS(mac->hw->soc->caps, MTK_RGMII) &&
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phy_interface_mode_is_rgmii(state->interface)) &&
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!(MTK_HAS_CAPS(mac->hw->soc->caps, MTK_TRGMII) &&
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!mac->id && state->interface == PHY_INTERFACE_MODE_TRGMII)) {
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linkmode_zero(supported);
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return;
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}
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phylink_set_port_modes(mask);
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phylink_set(mask, Autoneg);
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if (state->interface == PHY_INTERFACE_MODE_TRGMII) {
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phylink_set(mask, 1000baseT_Full);
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} else {
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phylink_set(mask, 10baseT_Half);
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phylink_set(mask, 10baseT_Full);
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phylink_set(mask, 100baseT_Half);
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phylink_set(mask, 100baseT_Full);
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if (state->interface != PHY_INTERFACE_MODE_MII) {
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phylink_set(mask, 1000baseT_Half);
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phylink_set(mask, 1000baseT_Full);
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phylink_set(mask, 1000baseX_Full);
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}
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}
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phylink_set(mask, Pause);
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phylink_set(mask, Asym_Pause);
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linkmode_and(supported, supported, mask);
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linkmode_and(state->advertising, state->advertising, mask);
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}
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static const struct phylink_mac_ops mtk_phylink_ops = {
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.validate = mtk_validate,
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.mac_link_state = mtk_mac_link_state,
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.mac_an_restart = mtk_mac_an_restart,
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.mac_config = mtk_mac_config,
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.mac_link_down = mtk_mac_link_down,
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.mac_link_up = mtk_mac_link_up,
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};
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static int mtk_mdio_init(struct mtk_eth *eth)
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{
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struct device_node *mii_np;
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@ -2013,6 +2070,14 @@ static int mtk_open(struct net_device *dev)
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{
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struct mtk_mac *mac = netdev_priv(dev);
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struct mtk_eth *eth = mac->hw;
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int err;
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err = phylink_of_phy_connect(mac->phylink, mac->of_node, 0);
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if (err) {
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netdev_err(dev, "%s: could not attach PHY: %d\n", __func__,
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err);
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return err;
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}
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/* we run 2 netdevs on the same dma ring so we only bring it up once */
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if (!refcount_read(ð->dma_refcnt)) {
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@ -2030,7 +2095,7 @@ static int mtk_open(struct net_device *dev)
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else
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refcount_inc(ð->dma_refcnt);
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phy_start(dev->phydev);
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phylink_start(mac->phylink);
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netif_start_queue(dev);
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return 0;
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}
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@ -2063,8 +2128,11 @@ static int mtk_stop(struct net_device *dev)
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struct mtk_mac *mac = netdev_priv(dev);
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struct mtk_eth *eth = mac->hw;
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phylink_stop(mac->phylink);
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netif_tx_disable(dev);
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phy_stop(dev->phydev);
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phylink_disconnect_phy(mac->phylink);
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/* only shutdown DMA if this is the last user */
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if (!refcount_dec_and_test(ð->dma_refcnt))
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@ -2159,15 +2227,6 @@ static int mtk_hw_init(struct mtk_eth *eth)
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ethsys_reset(eth, RSTCTRL_FE);
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ethsys_reset(eth, RSTCTRL_PPE);
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regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val);
|
||||
for (i = 0; i < MTK_MAC_COUNT; i++) {
|
||||
if (!eth->mac[i])
|
||||
continue;
|
||||
val &= ~SYSCFG0_GE_MODE(SYSCFG0_GE_MASK, eth->mac[i]->id);
|
||||
val |= SYSCFG0_GE_MODE(eth->mac[i]->ge_mode, eth->mac[i]->id);
|
||||
}
|
||||
regmap_write(eth->ethsys, ETHSYS_SYSCFG0, val);
|
||||
|
||||
if (eth->pctl) {
|
||||
/* Set GE2 driving and slew rate */
|
||||
regmap_write(eth->pctl, GPIO_DRV_SEL10, 0xa00);
|
||||
@ -2180,11 +2239,11 @@ static int mtk_hw_init(struct mtk_eth *eth)
|
||||
}
|
||||
|
||||
/* Set linkdown as the default for each GMAC. Its own MCR would be set
|
||||
* up with the more appropriate value when mtk_phy_link_adjust call is
|
||||
* being invoked.
|
||||
* up with the more appropriate value when mtk_mac_config call is being
|
||||
* invoked.
|
||||
*/
|
||||
for (i = 0; i < MTK_MAC_COUNT; i++)
|
||||
mtk_w32(eth, 0, MTK_MAC_MCR(i));
|
||||
mtk_w32(eth, MAC_MCR_FORCE_LINK_DOWN, MTK_MAC_MCR(i));
|
||||
|
||||
/* Indicates CDM to parse the MTK special tag from CPU
|
||||
* which also is working out for untag packets.
|
||||
@ -2212,7 +2271,7 @@ static int mtk_hw_init(struct mtk_eth *eth)
|
||||
mtk_w32(eth, MTK_RX_DONE_INT, MTK_QDMA_INT_GRP2);
|
||||
mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP);
|
||||
|
||||
for (i = 0; i < 2; i++) {
|
||||
for (i = 0; i < MTK_MAC_COUNT; i++) {
|
||||
u32 val = mtk_r32(eth, MTK_GDMA_FWD_CFG(i));
|
||||
|
||||
/* setup the forward port to send frame to PDMA */
|
||||
@ -2264,7 +2323,7 @@ static int __init mtk_init(struct net_device *dev)
|
||||
dev->dev_addr);
|
||||
}
|
||||
|
||||
return mtk_phy_connect(dev);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void mtk_uninit(struct net_device *dev)
|
||||
@ -2272,20 +2331,20 @@ static void mtk_uninit(struct net_device *dev)
|
||||
struct mtk_mac *mac = netdev_priv(dev);
|
||||
struct mtk_eth *eth = mac->hw;
|
||||
|
||||
phy_disconnect(dev->phydev);
|
||||
if (of_phy_is_fixed_link(mac->of_node))
|
||||
of_phy_deregister_fixed_link(mac->of_node);
|
||||
phylink_disconnect_phy(mac->phylink);
|
||||
mtk_tx_irq_disable(eth, ~0);
|
||||
mtk_rx_irq_disable(eth, ~0);
|
||||
}
|
||||
|
||||
static int mtk_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
|
||||
{
|
||||
struct mtk_mac *mac = netdev_priv(dev);
|
||||
|
||||
switch (cmd) {
|
||||
case SIOCGMIIPHY:
|
||||
case SIOCGMIIREG:
|
||||
case SIOCSMIIREG:
|
||||
return phy_mii_ioctl(dev->phydev, ifr, cmd);
|
||||
return phylink_mii_ioctl(mac->phylink, ifr, cmd);
|
||||
default:
|
||||
break;
|
||||
}
|
||||
@ -2326,16 +2385,6 @@ static void mtk_pending_work(struct work_struct *work)
|
||||
eth->dev->pins->default_state);
|
||||
mtk_hw_init(eth);
|
||||
|
||||
for (i = 0; i < MTK_MAC_COUNT; i++) {
|
||||
if (!eth->mac[i] ||
|
||||
of_phy_is_fixed_link(eth->mac[i]->of_node))
|
||||
continue;
|
||||
err = phy_init_hw(eth->netdev[i]->phydev);
|
||||
if (err)
|
||||
dev_err(eth->dev, "%s: PHY init failed.\n",
|
||||
eth->netdev[i]->name);
|
||||
}
|
||||
|
||||
/* restart DMA and enable IRQs */
|
||||
for (i = 0; i < MTK_MAC_COUNT; i++) {
|
||||
if (!test_bit(i, &restart))
|
||||
@ -2398,9 +2447,7 @@ static int mtk_get_link_ksettings(struct net_device *ndev,
|
||||
if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state)))
|
||||
return -EBUSY;
|
||||
|
||||
phy_ethtool_ksettings_get(ndev->phydev, cmd);
|
||||
|
||||
return 0;
|
||||
return phylink_ethtool_ksettings_get(mac->phylink, cmd);
|
||||
}
|
||||
|
||||
static int mtk_set_link_ksettings(struct net_device *ndev,
|
||||
@ -2411,7 +2458,7 @@ static int mtk_set_link_ksettings(struct net_device *ndev,
|
||||
if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state)))
|
||||
return -EBUSY;
|
||||
|
||||
return phy_ethtool_ksettings_set(ndev->phydev, cmd);
|
||||
return phylink_ethtool_ksettings_set(mac->phylink, cmd);
|
||||
}
|
||||
|
||||
static void mtk_get_drvinfo(struct net_device *dev,
|
||||
@ -2445,22 +2492,10 @@ static int mtk_nway_reset(struct net_device *dev)
|
||||
if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state)))
|
||||
return -EBUSY;
|
||||
|
||||
return genphy_restart_aneg(dev->phydev);
|
||||
}
|
||||
if (!mac->phylink)
|
||||
return -ENOTSUPP;
|
||||
|
||||
static u32 mtk_get_link(struct net_device *dev)
|
||||
{
|
||||
struct mtk_mac *mac = netdev_priv(dev);
|
||||
int err;
|
||||
|
||||
if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state)))
|
||||
return -EBUSY;
|
||||
|
||||
err = genphy_update_link(dev->phydev);
|
||||
if (err)
|
||||
return ethtool_op_get_link(dev);
|
||||
|
||||
return dev->phydev->link;
|
||||
return phylink_ethtool_nway_reset(mac->phylink);
|
||||
}
|
||||
|
||||
static void mtk_get_strings(struct net_device *dev, u32 stringset, u8 *data)
|
||||
@ -2580,7 +2615,7 @@ static const struct ethtool_ops mtk_ethtool_ops = {
|
||||
.get_msglevel = mtk_get_msglevel,
|
||||
.set_msglevel = mtk_set_msglevel,
|
||||
.nway_reset = mtk_nway_reset,
|
||||
.get_link = mtk_get_link,
|
||||
.get_link = ethtool_op_get_link,
|
||||
.get_strings = mtk_get_strings,
|
||||
.get_sset_count = mtk_get_sset_count,
|
||||
.get_ethtool_stats = mtk_get_ethtool_stats,
|
||||
@ -2608,9 +2643,10 @@ static const struct net_device_ops mtk_netdev_ops = {
|
||||
|
||||
static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np)
|
||||
{
|
||||
struct mtk_mac *mac;
|
||||
const __be32 *_id = of_get_property(np, "reg", NULL);
|
||||
int id, err;
|
||||
struct phylink *phylink;
|
||||
int phy_mode, id, err;
|
||||
struct mtk_mac *mac;
|
||||
|
||||
if (!_id) {
|
||||
dev_err(eth->dev, "missing mac id\n");
|
||||
@ -2654,6 +2690,32 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np)
|
||||
u64_stats_init(&mac->hw_stats->syncp);
|
||||
mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET;
|
||||
|
||||
/* phylink create */
|
||||
phy_mode = of_get_phy_mode(np);
|
||||
if (phy_mode < 0) {
|
||||
dev_err(eth->dev, "incorrect phy-mode\n");
|
||||
err = -EINVAL;
|
||||
goto free_netdev;
|
||||
}
|
||||
|
||||
/* mac config is not set */
|
||||
mac->interface = PHY_INTERFACE_MODE_NA;
|
||||
mac->mode = MLO_AN_PHY;
|
||||
mac->speed = SPEED_UNKNOWN;
|
||||
|
||||
mac->phylink_config.dev = ð->netdev[id]->dev;
|
||||
mac->phylink_config.type = PHYLINK_NETDEV;
|
||||
|
||||
phylink = phylink_create(&mac->phylink_config,
|
||||
of_fwnode_handle(mac->of_node),
|
||||
phy_mode, &mtk_phylink_ops);
|
||||
if (IS_ERR(phylink)) {
|
||||
err = PTR_ERR(phylink);
|
||||
goto free_netdev;
|
||||
}
|
||||
|
||||
mac->phylink = phylink;
|
||||
|
||||
SET_NETDEV_DEV(eth->netdev[id], eth->dev);
|
||||
eth->netdev[id]->watchdog_timeo = 5 * HZ;
|
||||
eth->netdev[id]->netdev_ops = &mtk_netdev_ops;
|
||||
@ -2682,8 +2744,7 @@ static int mtk_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct device_node *mac_np;
|
||||
struct mtk_eth *eth;
|
||||
int err;
|
||||
int i;
|
||||
int err, i;
|
||||
|
||||
eth = devm_kzalloc(&pdev->dev, sizeof(*eth), GFP_KERNEL);
|
||||
if (!eth)
|
||||
@ -2869,6 +2930,7 @@ err_deinit_hw:
|
||||
static int mtk_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct mtk_eth *eth = platform_get_drvdata(pdev);
|
||||
struct mtk_mac *mac;
|
||||
int i;
|
||||
|
||||
/* stop all devices to make sure that dma is properly shut down */
|
||||
@ -2876,6 +2938,8 @@ static int mtk_remove(struct platform_device *pdev)
|
||||
if (!eth->netdev[i])
|
||||
continue;
|
||||
mtk_stop(eth->netdev[i]);
|
||||
mac = netdev_priv(eth->netdev[i]);
|
||||
phylink_disconnect_phy(mac->phylink);
|
||||
}
|
||||
|
||||
mtk_hw_deinit(eth);
|
||||
|
||||
@ -14,6 +14,7 @@
|
||||
#include <linux/of_net.h>
|
||||
#include <linux/u64_stats_sync.h>
|
||||
#include <linux/refcount.h>
|
||||
#include <linux/phylink.h>
|
||||
|
||||
#define MTK_QDMA_PAGE_SIZE 2048
|
||||
#define MTK_MAX_RX_LENGTH 1536
|
||||
@ -330,12 +331,19 @@
|
||||
#define MAC_MCR_SPEED_100 BIT(2)
|
||||
#define MAC_MCR_FORCE_DPX BIT(1)
|
||||
#define MAC_MCR_FORCE_LINK BIT(0)
|
||||
#define MAC_MCR_FIXED_LINK (MAC_MCR_MAX_RX_1536 | MAC_MCR_IPG_CFG | \
|
||||
MAC_MCR_FORCE_MODE | MAC_MCR_TX_EN | \
|
||||
MAC_MCR_RX_EN | MAC_MCR_BACKOFF_EN | \
|
||||
MAC_MCR_BACKPR_EN | MAC_MCR_FORCE_RX_FC | \
|
||||
MAC_MCR_FORCE_TX_FC | MAC_MCR_SPEED_1000 | \
|
||||
MAC_MCR_FORCE_DPX | MAC_MCR_FORCE_LINK)
|
||||
#define MAC_MCR_FORCE_LINK_DOWN (MAC_MCR_FORCE_MODE)
|
||||
|
||||
/* Mac status registers */
|
||||
#define MTK_MAC_MSR(x) (0x10108 + (x * 0x100))
|
||||
#define MAC_MSR_EEE1G BIT(7)
|
||||
#define MAC_MSR_EEE100M BIT(6)
|
||||
#define MAC_MSR_RX_FC BIT(5)
|
||||
#define MAC_MSR_TX_FC BIT(4)
|
||||
#define MAC_MSR_SPEED_1000 BIT(3)
|
||||
#define MAC_MSR_SPEED_100 BIT(2)
|
||||
#define MAC_MSR_SPEED_MASK (MAC_MSR_SPEED_1000 | MAC_MSR_SPEED_100)
|
||||
#define MAC_MSR_DPX BIT(1)
|
||||
#define MAC_MSR_LINK BIT(0)
|
||||
|
||||
/* TRGMII RXC control register */
|
||||
#define TRGMII_RCK_CTRL 0x10300
|
||||
@ -858,22 +866,23 @@ struct mtk_eth {
|
||||
/* struct mtk_mac - the structure that holds the info about the MACs of the
|
||||
* SoC
|
||||
* @id: The number of the MAC
|
||||
* @ge_mode: Interface mode kept for setup restoring
|
||||
* @interface: Interface mode kept for detecting change in hw settings
|
||||
* @of_node: Our devicetree node
|
||||
* @hw: Backpointer to our main datastruture
|
||||
* @hw_stats: Packet statistics counter
|
||||
* @trgmii Indicate if the MAC uses TRGMII connected to internal
|
||||
switch
|
||||
*/
|
||||
struct mtk_mac {
|
||||
int id;
|
||||
int ge_mode;
|
||||
phy_interface_t interface;
|
||||
unsigned int mode;
|
||||
int speed;
|
||||
struct device_node *of_node;
|
||||
struct phylink *phylink;
|
||||
struct phylink_config phylink_config;
|
||||
struct mtk_eth *hw;
|
||||
struct mtk_hw_stats *hw_stats;
|
||||
__be32 hwlro_ip[MTK_MAX_LRO_IP_CNT];
|
||||
int hwlro_ip_cnt;
|
||||
bool trgmii;
|
||||
};
|
||||
|
||||
/* the struct describing the SoC. these are declared in the soc_xyz.c files */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user