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openwrt_NSS_ACW/target/linux/mediatek/patches-4.19/0001-eth-sync-from-mtk-lede.patch
Koen Vandeputte 42d9bccadb kernel: bump 4.19 to 4.19.64 
Refreshed all patches.

Remove upstreamed:
- 100-powerpc-4xx-uic-clear-pending-interrupt-after-irq-ty.patch
- 950-0309-usb-dwc2-Disable-all-EP-s-on-disconnect.patch
- 950-0310-usb-dwc2-Fix-disable-all-EP-s-on-disconnect.patch

Fixes:
- CVE-2019-13648
- CVE-2019-3900
- CVE-2019-10207

Compile-tested on: cns3xxx
Runtime-tested on: cns3xxx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2019-08-06 11:52:47 +02:00

1647 lines
48 KiB
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--- a/drivers/net/ethernet/mediatek/Kconfig
+++ b/drivers/net/ethernet/mediatek/Kconfig
@@ -1,6 +1,6 @@
config NET_VENDOR_MEDIATEK
bool "MediaTek ethernet driver"
- depends on ARCH_MEDIATEK
+ depends on ARCH_MEDIATEK || RALINK
---help---
If you have a Mediatek SoC with ethernet, say Y.
--- a/drivers/net/ethernet/mediatek/Makefile
+++ b/drivers/net/ethernet/mediatek/Makefile
@@ -2,4 +2,5 @@
# Makefile for the Mediatek SoCs built-in ethernet macs
#
-obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth_soc.o
+obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth_soc.o mtk_sgmii.o \
+ mtk_eth_path.o
--- /dev/null
+++ b/drivers/net/ethernet/mediatek/mtk_eth_path.c
@@ -0,0 +1,333 @@
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2018 Sean Wang <sean.wang@mediatek.com>
+ */
+
+#include <linux/phy.h>
+#include <linux/regmap.h>
+
+#include "mtk_eth_soc.h"
+
+struct mtk_eth_muxc {
+ int (*set_path)(struct mtk_eth *eth, int path);
+};
+
+static const char * const mtk_eth_mux_name[] = {
+ "mux_gdm1_to_gmac1_esw", "mux_gmac2_gmac0_to_gephy",
+ "mux_u3_gmac2_to_qphy", "mux_gmac1_gmac2_to_sgmii_rgmii",
+ "mux_gmac12_to_gephy_sgmii",
+};
+
+static const char * const mtk_eth_path_name[] = {
+ "gmac1_rgmii", "gmac1_trgmii", "gmac1_sgmii", "gmac2_rgmii",
+ "gmac2_sgmii", "gmac2_gephy", "gdm1_esw",
+};
+
+static int set_mux_gdm1_to_gmac1_esw(struct mtk_eth *eth, int path)
+{
+ u32 val, mask, set;
+ bool updated = true;
+
+ switch (path) {
+ case MTK_ETH_PATH_GMAC1_SGMII:
+ mask = ~(u32)MTK_MUX_TO_ESW;
+ set = 0;
+ break;
+ case MTK_ETH_PATH_GDM1_ESW:
+ mask = ~(u32)MTK_MUX_TO_ESW;
+ set = MTK_MUX_TO_ESW;
+ break;
+ default:
+ updated = false;
+ break;
+ };
+
+ if (updated) {
+ val = mtk_r32(eth, MTK_MAC_MISC);
+ val = (val & mask) | set;
+ mtk_w32(eth, val, MTK_MAC_MISC);
+ }
+
+ dev_info(eth->dev, "path %s in %s updated = %d\n",
+ mtk_eth_path_name[path], __func__, updated);
+
+ return 0;
+}
+
+static int set_mux_gmac2_gmac0_to_gephy(struct mtk_eth *eth, int path)
+{
+ unsigned int val = 0;
+ bool updated = true;
+
+ switch (path) {
+ case MTK_ETH_PATH_GMAC2_GEPHY:
+ val = ~(u32)GEPHY_MAC_SEL;
+ break;
+ default:
+ updated = false;
+ break;
+ }
+
+ if (updated)
+ regmap_update_bits(eth->infra, INFRA_MISC2, GEPHY_MAC_SEL, val);
+
+ dev_info(eth->dev, "path %s in %s updated = %d\n",
+ mtk_eth_path_name[path], __func__, updated);
+
+ return 0;
+}
+
+static int set_mux_u3_gmac2_to_qphy(struct mtk_eth *eth, int path)
+{
+ unsigned int val = 0;
+ bool updated = true;
+
+ switch (path) {
+ case MTK_ETH_PATH_GMAC2_SGMII:
+ val = CO_QPHY_SEL;
+ break;
+ default:
+ updated = false;
+ break;
+ }
+
+ if (updated)
+ regmap_update_bits(eth->infra, INFRA_MISC2, CO_QPHY_SEL, val);
+
+ dev_info(eth->dev, "path %s in %s updated = %d\n",
+ mtk_eth_path_name[path], __func__, updated);
+
+ return 0;
+}
+
+static int set_mux_gmac1_gmac2_to_sgmii_rgmii(struct mtk_eth *eth, int path)
+{
+ unsigned int val = 0;
+ bool updated = true;
+
+ switch (path) {
+ case MTK_ETH_PATH_GMAC1_SGMII:
+ val = SYSCFG0_SGMII_GMAC1;
+ break;
+ case MTK_ETH_PATH_GMAC2_SGMII:
+ val = SYSCFG0_SGMII_GMAC2;
+ break;
+ case MTK_ETH_PATH_GMAC1_RGMII:
+ case MTK_ETH_PATH_GMAC2_RGMII:
+ regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val);
+ val &= SYSCFG0_SGMII_MASK;
+
+ if ((path == MTK_GMAC1_RGMII && val == SYSCFG0_SGMII_GMAC1) ||
+ (path == MTK_GMAC2_RGMII && val == SYSCFG0_SGMII_GMAC2))
+ val = 0;
+ else
+ updated = false;
+ break;
+ default:
+ updated = false;
+ break;
+ };
+
+ if (updated)
+ regmap_update_bits(eth->ethsys, ETHSYS_SYSCFG0,
+ SYSCFG0_SGMII_MASK, val);
+
+ dev_info(eth->dev, "path %s in %s updated = %d\n",
+ mtk_eth_path_name[path], __func__, updated);
+
+ return 0;
+}
+
+static int set_mux_gmac12_to_gephy_sgmii(struct mtk_eth *eth, int path)
+{
+ unsigned int val = 0;
+ bool updated = true;
+
+ regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val);
+
+ switch (path) {
+ case MTK_ETH_PATH_GMAC1_SGMII:
+ val |= SYSCFG0_SGMII_GMAC1_V2;
+ break;
+ case MTK_ETH_PATH_GMAC2_GEPHY:
+ val &= ~(u32)SYSCFG0_SGMII_GMAC2_V2;
+ break;
+ case MTK_ETH_PATH_GMAC2_SGMII:
+ val |= SYSCFG0_SGMII_GMAC2_V2;
+ break;
+ default:
+ updated = false;
+ };
+
+ if (updated)
+ regmap_update_bits(eth->ethsys, ETHSYS_SYSCFG0,
+ SYSCFG0_SGMII_MASK, val);
+
+ if (!updated)
+ dev_info(eth->dev, "path %s no needs updatiion in %s\n",
+ mtk_eth_path_name[path], __func__);
+
+ dev_info(eth->dev, "path %s in %s updated = %d\n",
+ mtk_eth_path_name[path], __func__, updated);
+
+ return 0;
+}
+
+static const struct mtk_eth_muxc mtk_eth_muxc[] = {
+ { .set_path = set_mux_gdm1_to_gmac1_esw, },
+ { .set_path = set_mux_gmac2_gmac0_to_gephy, },
+ { .set_path = set_mux_u3_gmac2_to_qphy, },
+ { .set_path = set_mux_gmac1_gmac2_to_sgmii_rgmii, },
+ { .set_path = set_mux_gmac12_to_gephy_sgmii, }
+};
+
+static int mtk_eth_mux_setup(struct mtk_eth *eth, int path)
+{
+ int i, err = 0;
+
+ if (!MTK_HAS_CAPS(eth->soc->caps, MTK_PATH_BIT(path))) {
+ dev_info(eth->dev, "path %s isn't support on the SoC\n",
+ mtk_eth_path_name[path]);
+ return -EINVAL;
+ }
+
+ if (!MTK_HAS_CAPS(eth->soc->caps, MTK_MUX))
+ return 0;
+
+ /* Setup MUX in path fabric */
+ for (i = 0; i < MTK_ETH_MUX_MAX; i++) {
+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_MUX_BIT(i))) {
+ err = mtk_eth_muxc[i].set_path(eth, path);
+ if (err)
+ goto out;
+ } else {
+ dev_info(eth->dev, "mux %s isn't present on the SoC\n",
+ mtk_eth_mux_name[i]);
+ }
+ }
+
+out:
+ return err;
+}
+
+static int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id)
+{
+ unsigned int val = 0;
+ int sid, err, path;
+
+ path = (mac_id == 0) ? MTK_ETH_PATH_GMAC1_SGMII :
+ MTK_ETH_PATH_GMAC2_SGMII;
+
+ /* Setup proper MUXes along the path */
+ err = mtk_eth_mux_setup(eth, path);
+ if (err)
+ return err;
+
+ /* The path GMAC to SGMII will be enabled once the SGMIISYS is being
+ * setup done.
+ */
+ regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val);
+
+ regmap_update_bits(eth->ethsys, ETHSYS_SYSCFG0,
+ SYSCFG0_SGMII_MASK, ~(u32)SYSCFG0_SGMII_MASK);
+
+ /* Decide how GMAC and SGMIISYS be mapped */
+ sid = (MTK_HAS_CAPS(eth->soc->caps, MTK_SHARED_SGMII)) ? 0 : mac_id;
+
+ /* Setup SGMIISYS with the determined property */
+ if (MTK_HAS_FLAGS(eth->sgmii->flags[sid], MTK_SGMII_PHYSPEED_AN))
+ err = mtk_sgmii_setup_mode_an(eth->sgmii, sid);
+ else
+ err = mtk_sgmii_setup_mode_force(eth->sgmii, sid);
+
+ if (err)
+ return err;
+
+ regmap_update_bits(eth->ethsys, ETHSYS_SYSCFG0,
+ SYSCFG0_SGMII_MASK, val);
+
+ return 0;
+}
+
+static int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id)
+{
+ int err, path = 0;
+
+ if (mac_id == 1)
+ path = MTK_ETH_PATH_GMAC2_GEPHY;
+
+ if (!path)
+ return -EINVAL;
+
+ /* Setup proper MUXes along the path */
+ err = mtk_eth_mux_setup(eth, path);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id)
+{
+ int err, path;
+
+ path = (mac_id == 0) ? MTK_ETH_PATH_GMAC1_RGMII :
+ MTK_ETH_PATH_GMAC2_RGMII;
+
+ /* Setup proper MUXes along the path */
+ err = mtk_eth_mux_setup(eth, path);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+int mtk_setup_hw_path(struct mtk_eth *eth, int mac_id, int phymode)
+{
+ int err;
+
+ switch (phymode) {
+ case PHY_INTERFACE_MODE_TRGMII:
+ case PHY_INTERFACE_MODE_RGMII_TXID:
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ case PHY_INTERFACE_MODE_RGMII:
+ case PHY_INTERFACE_MODE_MII:
+ case PHY_INTERFACE_MODE_REVMII:
+ case PHY_INTERFACE_MODE_RMII:
+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_RGMII)) {
+ err = mtk_gmac_rgmii_path_setup(eth, mac_id);
+ if (err)
+ return err;
+ }
+ break;
+ case PHY_INTERFACE_MODE_SGMII:
+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_SGMII)) {
+ err = mtk_gmac_sgmii_path_setup(eth, mac_id);
+ if (err)
+ return err;
+ }
+ break;
+ case PHY_INTERFACE_MODE_GMII:
+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_GEPHY)) {
+ err = mtk_gmac_gephy_path_setup(eth, mac_id);
+ if (err)
+ return err;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -23,6 +23,7 @@
#include <linux/reset.h>
#include <linux/tcp.h>
#include <linux/interrupt.h>
+#include <linux/mdio.h>
#include <linux/pinctrl/devinfo.h>
#include "mtk_eth_soc.h"
@@ -54,8 +55,10 @@ static const struct mtk_ethtool_stats {
};
static const char * const mtk_clks_source_name[] = {
- "ethif", "esw", "gp0", "gp1", "gp2", "trgpll", "sgmii_tx250m",
- "sgmii_rx250m", "sgmii_cdr_ref", "sgmii_cdr_fb", "sgmii_ck", "eth2pll"
+ "ethif", "sgmiitop", "esw", "gp0", "gp1", "gp2", "fe", "trgpll",
+ "sgmii_tx250m", "sgmii_rx250m", "sgmii_cdr_ref", "sgmii_cdr_fb",
+ "sgmii2_tx250m", "sgmii2_rx250m", "sgmii2_cdr_ref", "sgmii2_cdr_fb",
+ "sgmii_ck", "eth2pll",
};
void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg)
@@ -84,8 +87,8 @@ static int mtk_mdio_busy_wait(struct mtk
return -1;
}
-static u32 _mtk_mdio_write(struct mtk_eth *eth, u32 phy_addr,
- u32 phy_register, u32 write_data)
+u32 _mtk_mdio_write(struct mtk_eth *eth, u32 phy_addr,
+ u32 phy_register, u32 write_data)
{
if (mtk_mdio_busy_wait(eth))
return -1;
@@ -103,7 +106,7 @@ static u32 _mtk_mdio_write(struct mtk_et
return 0;
}
-static u32 _mtk_mdio_read(struct mtk_eth *eth, int phy_addr, int phy_reg)
+u32 _mtk_mdio_read(struct mtk_eth *eth, int phy_addr, int phy_reg)
{
u32 d;
@@ -123,6 +126,34 @@ static u32 _mtk_mdio_read(struct mtk_eth
return d;
}
+u32 mtk_cl45_ind_read(struct mtk_eth *eth, u32 port, u32 devad, u32 reg, u32 *data)
+{
+ mutex_lock(&eth->mii_bus->mdio_lock);
+
+ _mtk_mdio_write(eth, port, MII_MMD_ACC_CTL_REG, devad);
+ _mtk_mdio_write(eth, port, MII_MMD_ADDR_DATA_REG, reg);
+ _mtk_mdio_write(eth, port, MII_MMD_ACC_CTL_REG, MMD_OP_MODE_DATA | devad);
+ *data = _mtk_mdio_read(eth, port, MII_MMD_ADDR_DATA_REG);
+
+ mutex_unlock(&eth->mii_bus->mdio_lock);
+
+ return 0;
+}
+
+u32 mtk_cl45_ind_write(struct mtk_eth *eth, u32 port, u32 devad, u32 reg, u32 data)
+{
+ mutex_lock(&eth->mii_bus->mdio_lock);
+
+ _mtk_mdio_write(eth, port, MII_MMD_ACC_CTL_REG, devad);
+ _mtk_mdio_write(eth, port, MII_MMD_ADDR_DATA_REG, reg);
+ _mtk_mdio_write(eth, port, MII_MMD_ACC_CTL_REG, MMD_OP_MODE_DATA | devad);
+ _mtk_mdio_write(eth, port, MII_MMD_ADDR_DATA_REG, data);
+
+ mutex_unlock(&eth->mii_bus->mdio_lock);
+
+ return 0;
+}
+
static int mtk_mdio_write(struct mii_bus *bus, int phy_addr,
int phy_reg, u16 val)
{
@@ -165,51 +196,12 @@ static void mtk_gmac0_rgmii_adjust(struc
mtk_w32(eth, val, TRGMII_TCK_CTRL);
}
-static void mtk_gmac_sgmii_hw_setup(struct mtk_eth *eth, int mac_id)
-{
- u32 val;
-
- /* Setup the link timer and QPHY power up inside SGMIISYS */
- regmap_write(eth->sgmiisys, SGMSYS_PCS_LINK_TIMER,
- SGMII_LINK_TIMER_DEFAULT);
-
- regmap_read(eth->sgmiisys, SGMSYS_SGMII_MODE, &val);
- val |= SGMII_REMOTE_FAULT_DIS;
- regmap_write(eth->sgmiisys, SGMSYS_SGMII_MODE, val);
-
- regmap_read(eth->sgmiisys, SGMSYS_PCS_CONTROL_1, &val);
- val |= SGMII_AN_RESTART;
- regmap_write(eth->sgmiisys, SGMSYS_PCS_CONTROL_1, val);
-
- regmap_read(eth->sgmiisys, SGMSYS_QPHY_PWR_STATE_CTRL, &val);
- val &= ~SGMII_PHYA_PWD;
- regmap_write(eth->sgmiisys, SGMSYS_QPHY_PWR_STATE_CTRL, val);
-
- /* Determine MUX for which GMAC uses the SGMII interface */
- if (MTK_HAS_CAPS(eth->soc->caps, MTK_DUAL_GMAC_SHARED_SGMII)) {
- regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val);
- val &= ~SYSCFG0_SGMII_MASK;
- val |= !mac_id ? SYSCFG0_SGMII_GMAC1 : SYSCFG0_SGMII_GMAC2;
- regmap_write(eth->ethsys, ETHSYS_SYSCFG0, val);
-
- dev_info(eth->dev, "setup shared sgmii for gmac=%d\n",
- mac_id);
- }
-
- /* Setup the GMAC1 going through SGMII path when SoC also support
- * ESW on GMAC1
- */
- if (MTK_HAS_CAPS(eth->soc->caps, MTK_GMAC1_ESW | MTK_GMAC1_SGMII) &&
- !mac_id) {
- mtk_w32(eth, 0, MTK_MAC_MISC);
- dev_info(eth->dev, "setup gmac1 going through sgmii");
- }
-}
-
static void mtk_phy_link_adjust(struct net_device *dev)
{
struct mtk_mac *mac = netdev_priv(dev);
+ struct mtk_eth *eth = mac->hw;
u16 lcl_adv = 0, rmt_adv = 0;
+ u32 lcl_eee = 0, rmt_eee = 0;
u8 flowctrl;
u32 mcr = MAC_MCR_MAX_RX_1536 | MAC_MCR_IPG_CFG |
MAC_MCR_FORCE_MODE | MAC_MCR_TX_EN |
@@ -229,7 +221,7 @@ static void mtk_phy_link_adjust(struct n
};
if (MTK_HAS_CAPS(mac->hw->soc->caps, MTK_GMAC1_TRGMII) &&
- !mac->id && !mac->trgmii)
+ !mac->id && !mac->trgmii)
mtk_gmac0_rgmii_adjust(mac->hw, dev->phydev->speed);
if (dev->phydev->link)
@@ -259,7 +251,16 @@ static void mtk_phy_link_adjust(struct n
flowctrl & FLOW_CTRL_RX ? "enabled" : "disabled",
flowctrl & FLOW_CTRL_TX ? "enabled" : "disabled");
}
+ /*EEE capability*/
+ mtk_cl45_ind_read(eth, 0, MDIO_MMD_AN, MDIO_AN_EEE_ADV, &lcl_eee);
+ mtk_cl45_ind_read(eth, 0, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE, &rmt_eee);
+
+ if ((lcl_eee & rmt_eee & MDIO_EEE_1000T) == MDIO_EEE_1000T)
+ mcr |= MAC_MCR_MDIO_EEE_1000T;
+ if ((lcl_eee & rmt_eee & MDIO_EEE_100TX) == MDIO_EEE_100TX)
+ mcr |= MAC_MCR_MDIO_EEE_100TX;
+ /*Setup MCR*/
mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id));
if (dev->phydev->link)
@@ -290,10 +291,10 @@ static int mtk_phy_connect_node(struct m
return -ENODEV;
}
- dev_info(eth->dev,
- "connected mac %d to PHY at %s [uid=%08x, driver=%s]\n",
- mac->id, phydev_name(phydev), phydev->phy_id,
- phydev->drv->name);
+ dev_info(eth->dev,
+ "connected mac %d to PHY at %s [uid=%08x, driver=%s]\n",
+ mac->id, phydev_name(phydev), phydev->phy_id,
+ phydev->drv->name);
return 0;
}
@@ -304,6 +305,7 @@ static int mtk_phy_connect(struct net_de
struct mtk_eth *eth;
struct device_node *np;
u32 val;
+ int err;
eth = mac->hw;
np = of_parse_phandle(mac->of_node, "phy-handle", 0);
@@ -313,6 +315,10 @@ static int mtk_phy_connect(struct net_de
if (!np)
return -ENODEV;
+ err = mtk_setup_hw_path(eth, mac->id, of_get_phy_mode(np));
+ if (err)
+ goto err_phy;
+
mac->ge_mode = 0;
switch (of_get_phy_mode(np)) {
case PHY_INTERFACE_MODE_TRGMII:
@@ -323,10 +329,9 @@ static int mtk_phy_connect(struct net_de
case PHY_INTERFACE_MODE_RGMII:
break;
case PHY_INTERFACE_MODE_SGMII:
- if (MTK_HAS_CAPS(eth->soc->caps, MTK_SGMII))
- mtk_gmac_sgmii_hw_setup(eth, mac->id);
break;
case PHY_INTERFACE_MODE_MII:
+ case PHY_INTERFACE_MODE_GMII:
mac->ge_mode = 1;
break;
case PHY_INTERFACE_MODE_REVMII:
@@ -355,7 +360,7 @@ static int mtk_phy_connect(struct net_de
dev->phydev->speed = 0;
dev->phydev->duplex = 0;
- if (of_phy_is_fixed_link(mac->of_node))
+ if (!strncmp(dev->phydev->drv->name, "Generic", 7))
dev->phydev->supported |=
SUPPORTED_Pause | SUPPORTED_Asym_Pause;
@@ -535,37 +540,37 @@ static void mtk_stats_update(struct mtk_
}
static void mtk_get_stats64(struct net_device *dev,
- struct rtnl_link_stats64 *storage)
+ struct rtnl_link_stats64 *storage)
{
- struct mtk_mac *mac = netdev_priv(dev);
- struct mtk_hw_stats *hw_stats = mac->hw_stats;
- unsigned int start;
-
- if (netif_running(dev) && netif_device_present(dev)) {
- if (spin_trylock_bh(&hw_stats->stats_lock)) {
- mtk_stats_update_mac(mac);
- spin_unlock_bh(&hw_stats->stats_lock);
- }
- }
-
- do {
- start = u64_stats_fetch_begin_irq(&hw_stats->syncp);
- storage->rx_packets = hw_stats->rx_packets;
- storage->tx_packets = hw_stats->tx_packets;
- storage->rx_bytes = hw_stats->rx_bytes;
- storage->tx_bytes = hw_stats->tx_bytes;
- storage->collisions = hw_stats->tx_collisions;
- storage->rx_length_errors = hw_stats->rx_short_errors +
- hw_stats->rx_long_errors;
- storage->rx_over_errors = hw_stats->rx_overflow;
- storage->rx_crc_errors = hw_stats->rx_fcs_errors;
- storage->rx_errors = hw_stats->rx_checksum_errors;
- storage->tx_aborted_errors = hw_stats->tx_skip;
- } while (u64_stats_fetch_retry_irq(&hw_stats->syncp, start));
-
- storage->tx_errors = dev->stats.tx_errors;
- storage->rx_dropped = dev->stats.rx_dropped;
- storage->tx_dropped = dev->stats.tx_dropped;
+ struct mtk_mac *mac = netdev_priv(dev);
+ struct mtk_hw_stats *hw_stats = mac->hw_stats;
+ unsigned int start;
+
+ if (netif_running(dev) && netif_device_present(dev)) {
+ if (spin_trylock_bh(&hw_stats->stats_lock)) {
+ mtk_stats_update_mac(mac);
+ spin_unlock_bh(&hw_stats->stats_lock);
+ }
+ }
+
+ do {
+ start = u64_stats_fetch_begin_irq(&hw_stats->syncp);
+ storage->rx_packets = hw_stats->rx_packets;
+ storage->tx_packets = hw_stats->tx_packets;
+ storage->rx_bytes = hw_stats->rx_bytes;
+ storage->tx_bytes = hw_stats->tx_bytes;
+ storage->collisions = hw_stats->tx_collisions;
+ storage->rx_length_errors = hw_stats->rx_short_errors +
+ hw_stats->rx_long_errors;
+ storage->rx_over_errors = hw_stats->rx_overflow;
+ storage->rx_crc_errors = hw_stats->rx_fcs_errors;
+ storage->rx_errors = hw_stats->rx_checksum_errors;
+ storage->tx_aborted_errors = hw_stats->tx_skip;
+ } while (u64_stats_fetch_retry_irq(&hw_stats->syncp, start));
+
+ storage->tx_errors = dev->stats.tx_errors;
+ storage->rx_dropped = dev->stats.rx_dropped;
+ storage->tx_dropped = dev->stats.tx_dropped;
}
static inline int mtk_max_frag_size(int mtu)
@@ -605,10 +610,10 @@ static int mtk_init_fq_dma(struct mtk_et
dma_addr_t dma_addr;
int i;
- eth->scratch_ring = dma_zalloc_coherent(eth->dev,
- cnt * sizeof(struct mtk_tx_dma),
- &eth->phy_scratch_ring,
- GFP_ATOMIC);
+ eth->scratch_ring = dma_alloc_coherent(eth->dev,
+ cnt * sizeof(struct mtk_tx_dma),
+ &eth->phy_scratch_ring,
+ GFP_ATOMIC | __GFP_ZERO);
if (unlikely(!eth->scratch_ring))
return -ENOMEM;
@@ -623,6 +628,7 @@ static int mtk_init_fq_dma(struct mtk_et
if (unlikely(dma_mapping_error(eth->dev, dma_addr)))
return -ENOMEM;
+ memset(eth->scratch_ring, 0x0, sizeof(struct mtk_tx_dma) * cnt);
phy_ring_tail = eth->phy_scratch_ring +
(sizeof(struct mtk_tx_dma) * (cnt - 1));
@@ -673,7 +679,7 @@ static void mtk_tx_unmap(struct mtk_eth
}
tx_buf->flags = 0;
if (tx_buf->skb &&
- (tx_buf->skb != (struct sk_buff *)MTK_DMA_DUMMY_DESC))
+ (tx_buf->skb != (struct sk_buff *)MTK_DMA_DUMMY_DESC))
dev_kfree_skb_any(tx_buf->skb);
tx_buf->skb = NULL;
}
@@ -689,6 +695,7 @@ static int mtk_tx_map(struct sk_buff *sk
unsigned int nr_frags;
int i, n_desc = 1;
u32 txd4 = 0, fport;
+ u32 qid = 0;
itxd = ring->next_free;
if (itxd == ring->last_free)
@@ -708,9 +715,10 @@ static int mtk_tx_map(struct sk_buff *sk
if (skb->ip_summed == CHECKSUM_PARTIAL)
txd4 |= TX_DMA_CHKSUM;
- /* VLAN header offload */
- if (skb_vlan_tag_present(skb))
- txd4 |= TX_DMA_INS_VLAN | skb_vlan_tag_get(skb);
+#if defined(CONFIG_NET_MEDIATEK_HW_QOS)
+ qid = skb->mark & (MTK_QDMA_TX_MASK);
+ qid += (!mac->id) ? (MTK_QDMA_TX_MASK + 1) : 0;
+#endif
mapped_addr = dma_map_single(eth->dev, skb->data,
skb_headlen(skb), DMA_TO_DEVICE);
@@ -727,6 +735,7 @@ static int mtk_tx_map(struct sk_buff *sk
/* TX SG offload */
txd = itxd;
nr_frags = skb_shinfo(skb)->nr_frags;
+
for (i = 0; i < nr_frags; i++) {
struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i];
unsigned int offset = 0;
@@ -753,10 +762,10 @@ static int mtk_tx_map(struct sk_buff *sk
last_frag = true;
WRITE_ONCE(txd->txd1, mapped_addr);
- WRITE_ONCE(txd->txd3, (TX_DMA_SWC |
+ WRITE_ONCE(txd->txd3, (TX_DMA_SWC | QID_LOW_BITS(qid) |
TX_DMA_PLEN0(frag_map_size) |
last_frag * TX_DMA_LS0));
- WRITE_ONCE(txd->txd4, fport);
+ WRITE_ONCE(txd->txd4, fport | QID_HIGH_BITS(qid));
tx_buf = mtk_desc_to_tx_buf(ring, txd);
memset(tx_buf, 0, sizeof(*tx_buf));
@@ -775,9 +784,9 @@ static int mtk_tx_map(struct sk_buff *sk
/* store skb to cleanup */
itx_buf->skb = skb;
- WRITE_ONCE(itxd->txd4, txd4);
WRITE_ONCE(itxd->txd3, (TX_DMA_SWC | TX_DMA_PLEN0(skb_headlen(skb)) |
- (!nr_frags * TX_DMA_LS0)));
+ (!nr_frags * TX_DMA_LS0)) | QID_LOW_BITS(qid));
+ WRITE_ONCE(itxd->txd4, txd4 | QID_HIGH_BITS(qid));
netdev_sent_queue(dev, skb->len);
skb_tx_timestamp(skb);
@@ -922,7 +931,7 @@ drop:
return NETDEV_TX_OK;
}
-static struct mtk_rx_ring *mtk_get_rx_ring(struct mtk_eth *eth)
+struct mtk_rx_ring *mtk_get_rx_ring(struct mtk_eth *eth)
{
int i;
struct mtk_rx_ring *ring;
@@ -991,10 +1000,24 @@ static int mtk_poll_rx(struct napi_struc
break;
/* find out which mac the packet come from. values start at 1 */
+#if defined(CONFIG_NET_DSA)
+ mac = (trxd.rxd4 >> 22) & 0x1;
+ mac = (mac + 1) % 2;
+#else
mac = (trxd.rxd4 >> RX_DMA_FPORT_SHIFT) &
- RX_DMA_FPORT_MASK;
- mac--;
-
+ RX_DMA_FPORT_MASK;
+ /* From QDMA(5). This is a external interface case of HWNAT.
+ * When the incoming frame comes from an external interface
+ * rather than GMAC1/GMAC2, HWNAT driver sends the original
+ * frame to PPE via PPD(ping pong device) for HWNAT RX
+ * frame learning. After learning, PPE transmit the
+ * original frame back to PPD again to run SW NAT path.
+ */
+ if (mac == 5)
+ mac = 0;
+ else
+ mac--;
+#endif
if (unlikely(mac < 0 || mac >= MTK_MAC_COUNT ||
!eth->netdev[mac]))
goto release_desc;
@@ -1044,6 +1067,7 @@ static int mtk_poll_rx(struct napi_struc
RX_DMA_VID(trxd.rxd3))
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
RX_DMA_VID(trxd.rxd3));
+
skb_record_rx_queue(skb, 0);
napi_gro_receive(napi, skb);
@@ -1128,7 +1152,7 @@ static int mtk_poll_tx(struct mtk_eth *e
}
if (mtk_queue_stopped(eth) &&
- (atomic_read(&ring->free_count) > ring->thresh))
+ (atomic_read(&ring->free_count) > ring->thresh))
mtk_wake_queue(eth);
return total;
@@ -1220,11 +1244,14 @@ static int mtk_tx_alloc(struct mtk_eth *
if (!ring->buf)
goto no_tx_mem;
- ring->dma = dma_zalloc_coherent(eth->dev, MTK_DMA_SIZE * sz,
- &ring->phys, GFP_ATOMIC);
+ ring->dma = dma_alloc_coherent(eth->dev,
+ MTK_DMA_SIZE * sz,
+ &ring->phys,
+ GFP_ATOMIC | __GFP_ZERO);
if (!ring->dma)
goto no_tx_mem;
+ memset(ring->dma, 0, MTK_DMA_SIZE * sz);
for (i = 0; i < MTK_DMA_SIZE; i++) {
int next = (i + 1) % MTK_DMA_SIZE;
u32 next_ptr = ring->phys + next * sz;
@@ -1317,9 +1344,10 @@ static int mtk_rx_alloc(struct mtk_eth *
return -ENOMEM;
}
- ring->dma = dma_zalloc_coherent(eth->dev,
- rx_dma_size * sizeof(*ring->dma),
- &ring->phys, GFP_ATOMIC);
+ ring->dma = dma_alloc_coherent(eth->dev,
+ rx_dma_size * sizeof(*ring->dma),
+ &ring->phys,
+ GFP_ATOMIC | __GFP_ZERO);
if (!ring->dma)
return -ENOMEM;
@@ -1516,8 +1544,8 @@ static int mtk_hwlro_add_ipaddr(struct n
int hwlro_idx;
if ((fsp->flow_type != TCP_V4_FLOW) ||
- (!fsp->h_u.tcp_ip4_spec.ip4dst) ||
- (fsp->location > 1))
+ (!fsp->h_u.tcp_ip4_spec.ip4dst) ||
+ (fsp->location > 1))
return -EINVAL;
mac->hwlro_ip[fsp->location] = htonl(fsp->h_u.tcp_ip4_spec.ip4dst);
@@ -1744,6 +1772,34 @@ static void mtk_tx_timeout(struct net_de
schedule_work(&eth->pending_work);
}
+static irqreturn_t mtk_handle_irq_tx_rx(int irq, void *_eth)
+{
+ struct mtk_eth *eth = _eth;
+ u32 tx_status, rx_status;
+
+ tx_status = mtk_r32(eth, MTK_QMTK_INT_STATUS);
+
+ if (tx_status & MTK_TX_DONE_INT) {
+ if (likely(napi_schedule_prep(&eth->tx_napi))) {
+ mtk_tx_irq_disable(eth, MTK_TX_DONE_INT);
+ __napi_schedule(&eth->tx_napi);
+ }
+ mtk_w32(eth, tx_status, MTK_QMTK_INT_STATUS);
+ }
+
+ rx_status = mtk_r32(eth, MTK_PDMA_INT_STATUS);
+
+ if (rx_status & MTK_RX_DONE_INT) {
+ if (likely(napi_schedule_prep(&eth->rx_napi))) {
+ mtk_rx_irq_disable(eth, MTK_RX_DONE_INT);
+ __napi_schedule(&eth->rx_napi);
+ }
+ mtk_w32(eth, rx_status, MTK_PDMA_INT_STATUS);
+ }
+
+ return IRQ_HANDLED;
+}
+
static irqreturn_t mtk_handle_irq_rx(int irq, void *_eth)
{
struct mtk_eth *eth = _eth;
@@ -1784,8 +1840,8 @@ static void mtk_poll_controller(struct n
static int mtk_start_dma(struct mtk_eth *eth)
{
- u32 rx_2b_offset = (NET_IP_ALIGN == 2) ? MTK_RX_2B_OFFSET : 0;
int err;
+ u32 rx_2b_offet = (NET_IP_ALIGN == 2) ? MTK_RX_2B_OFFSET : 0;
err = mtk_dma_init(eth);
if (err) {
@@ -1801,7 +1857,7 @@ static int mtk_start_dma(struct mtk_eth
MTK_QDMA_GLO_CFG);
mtk_w32(eth,
- MTK_RX_DMA_EN | rx_2b_offset |
+ MTK_RX_DMA_EN | rx_2b_offet |
MTK_RX_BT_32DWORDS | MTK_MULTI_EN,
MTK_PDMA_GLO_CFG);
@@ -1814,7 +1870,7 @@ static int mtk_open(struct net_device *d
struct mtk_eth *eth = mac->hw;
/* we run 2 netdevs on the same dma ring so we only bring it up once */
- if (!refcount_read(&eth->dma_refcnt)) {
+ if (!atomic_read(&eth->dma_refcnt)) {
int err = mtk_start_dma(eth);
if (err)
@@ -1824,10 +1880,8 @@ static int mtk_open(struct net_device *d
napi_enable(&eth->rx_napi);
mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
mtk_rx_irq_enable(eth, MTK_RX_DONE_INT);
- refcount_set(&eth->dma_refcnt, 1);
}
- else
- refcount_inc(&eth->dma_refcnt);
+ atomic_inc(&eth->dma_refcnt);
phy_start(dev->phydev);
netif_start_queue(dev);
@@ -1867,7 +1921,7 @@ static int mtk_stop(struct net_device *d
phy_stop(dev->phydev);
/* only shutdown DMA if this is the last user */
- if (!refcount_dec_and_test(&eth->dma_refcnt))
+ if (!atomic_dec_and_test(&eth->dma_refcnt))
return 0;
mtk_tx_irq_disable(eth, MTK_TX_DONE_INT);
@@ -1973,14 +2027,16 @@ static int mtk_hw_init(struct mtk_eth *e
val = mtk_r32(eth, MTK_CDMQ_IG_CTRL);
mtk_w32(eth, val | MTK_CDMQ_STAG_EN, MTK_CDMQ_IG_CTRL);
- /* Enable RX VLan Offloading */
- mtk_w32(eth, 1, MTK_CDMP_EG_CTRL);
+ /* Disable RX VLan Offloading */
+ mtk_w32(eth, 0, MTK_CDMP_EG_CTRL);
+
+#if defined(CONFIG_NET_DSA)
+ mtk_w32(eth, 0x81000001, MTK_CDMP_IG_CTRL);
+#endif
- /* enable interrupt delay for RX */
- mtk_w32(eth, MTK_PDMA_DELAY_RX_DELAY, MTK_PDMA_DELAY_INT);
+ mtk_w32(eth, 0x8f0f8f0f, MTK_PDMA_DELAY_INT);
+ mtk_w32(eth, 0x8f0f8f0f, MTK_QDMA_DELAY_INT);
- /* disable delay and normal interrupt */
- mtk_w32(eth, 0, MTK_QDMA_DELAY_INT);
mtk_tx_irq_disable(eth, ~0);
mtk_rx_irq_disable(eth, ~0);
mtk_w32(eth, RST_GL_PSE, MTK_RST_GL);
@@ -2172,27 +2228,27 @@ static int mtk_cleanup(struct mtk_eth *e
}
static int mtk_get_link_ksettings(struct net_device *ndev,
- struct ethtool_link_ksettings *cmd)
+ struct ethtool_link_ksettings *cmd)
{
- struct mtk_mac *mac = netdev_priv(ndev);
+ struct mtk_mac *mac = netdev_priv(ndev);
- if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state)))
- return -EBUSY;
+ if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state)))
+ return -EBUSY;
- phy_ethtool_ksettings_get(ndev->phydev, cmd);
+ phy_ethtool_ksettings_get(ndev->phydev, cmd);
- return 0;
+ return 0;
}
static int mtk_set_link_ksettings(struct net_device *ndev,
- const struct ethtool_link_ksettings *cmd)
+ const struct ethtool_link_ksettings *cmd)
{
- struct mtk_mac *mac = netdev_priv(ndev);
+ struct mtk_mac *mac = netdev_priv(ndev);
- if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state)))
- return -EBUSY;
+ if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state)))
+ return -EBUSY;
- return phy_ethtool_ksettings_set(ndev->phydev, cmd);
+ return phy_ethtool_ksettings_set(ndev->phydev, cmd);
}
static void mtk_get_drvinfo(struct net_device *dev,
@@ -2355,8 +2411,8 @@ static int mtk_set_rxnfc(struct net_devi
}
static const struct ethtool_ops mtk_ethtool_ops = {
- .get_link_ksettings = mtk_get_link_ksettings,
- .set_link_ksettings = mtk_set_link_ksettings,
+ .get_link_ksettings = mtk_get_link_ksettings,
+ .set_link_ksettings = mtk_set_link_ksettings,
.get_drvinfo = mtk_get_drvinfo,
.get_msglevel = mtk_get_msglevel,
.set_msglevel = mtk_set_msglevel,
@@ -2366,7 +2422,7 @@ static const struct ethtool_ops mtk_etht
.get_sset_count = mtk_get_sset_count,
.get_ethtool_stats = mtk_get_ethtool_stats,
.get_rxnfc = mtk_get_rxnfc,
- .set_rxnfc = mtk_set_rxnfc,
+ .set_rxnfc = mtk_set_rxnfc,
};
static const struct net_device_ops mtk_netdev_ops = {
@@ -2463,6 +2519,7 @@ static int mtk_probe(struct platform_dev
{
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
struct device_node *mac_np;
+ const struct of_device_id *match;
struct mtk_eth *eth;
int err;
int i;
@@ -2471,7 +2528,8 @@ static int mtk_probe(struct platform_dev
if (!eth)
return -ENOMEM;
- eth->soc = of_device_get_match_data(&pdev->dev);
+ match = of_match_device(of_mtk_match, &pdev->dev);
+ eth->soc = (struct mtk_soc_data *)match->data;
eth->dev = &pdev->dev;
eth->base = devm_ioremap_resource(&pdev->dev, res);
@@ -2489,26 +2547,37 @@ static int mtk_probe(struct platform_dev
return PTR_ERR(eth->ethsys);
}
- if (MTK_HAS_CAPS(eth->soc->caps, MTK_SGMII)) {
- eth->sgmiisys =
- syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
- "mediatek,sgmiisys");
- if (IS_ERR(eth->sgmiisys)) {
- dev_err(&pdev->dev, "no sgmiisys regmap found\n");
- return PTR_ERR(eth->sgmiisys);
+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_INFRA)) {
+ eth->infra = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+ "mediatek,infracfg");
+ if (IS_ERR(eth->infra)) {
+ dev_info(&pdev->dev, "no ethsys regmap found\n");
+ return PTR_ERR(eth->infra);
}
}
+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_SGMII)) {
+ eth->sgmii = devm_kzalloc(eth->dev, sizeof(*eth->sgmii),
+ GFP_KERNEL);
+ if (!eth->sgmii)
+ return -ENOMEM;
+
+ err = mtk_sgmii_init(eth->sgmii, pdev->dev.of_node,
+ eth->soc->ana_rgc3);
+ if (err)
+ return err;
+ }
+
if (eth->soc->required_pctl) {
eth->pctl = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
"mediatek,pctl");
if (IS_ERR(eth->pctl)) {
- dev_err(&pdev->dev, "no pctl regmap found\n");
+ dev_info(&pdev->dev, "no pctl regmap found\n");
return PTR_ERR(eth->pctl);
}
}
- for (i = 0; i < 3; i++) {
+ for (i = 0; i < eth->soc->irq_num; i++) {
eth->irq[i] = platform_get_irq(pdev, i);
if (eth->irq[i] < 0) {
dev_err(&pdev->dev, "no IRQ%d resource found\n", i);
@@ -2552,15 +2621,22 @@ static int mtk_probe(struct platform_dev
goto err_deinit_hw;
}
- err = devm_request_irq(eth->dev, eth->irq[1], mtk_handle_irq_tx, 0,
- dev_name(eth->dev), eth);
- if (err)
- goto err_free_dev;
+ if (eth->soc->irq_num > 1) {
+ err = devm_request_irq(eth->dev, eth->irq[1], mtk_handle_irq_tx, 0,
+ dev_name(eth->dev), eth);
+ if (err)
+ goto err_free_dev;
- err = devm_request_irq(eth->dev, eth->irq[2], mtk_handle_irq_rx, 0,
- dev_name(eth->dev), eth);
- if (err)
- goto err_free_dev;
+ err = devm_request_irq(eth->dev, eth->irq[2], mtk_handle_irq_rx, 0,
+ dev_name(eth->dev), eth);
+ if (err)
+ goto err_free_dev;
+ } else {
+ err = devm_request_irq(eth->dev, eth->irq[0], mtk_handle_irq_tx_rx, 0,
+ dev_name(eth->dev), eth);
+ if (err)
+ goto err_free_dev;
+ }
err = mtk_mdio_init(eth);
if (err)
@@ -2626,27 +2702,48 @@ static int mtk_remove(struct platform_de
}
static const struct mtk_soc_data mt2701_data = {
- .caps = MTK_GMAC1_TRGMII | MTK_HWLRO,
+ .caps = MT7623_CAPS | MTK_HWLRO,
.required_clks = MT7623_CLKS_BITMAP,
.required_pctl = true,
+ .irq_num = 3,
};
static const struct mtk_soc_data mt7622_data = {
- .caps = MTK_DUAL_GMAC_SHARED_SGMII | MTK_GMAC1_ESW | MTK_HWLRO,
+ .ana_rgc3 = 0x2028,
+ .caps = MT7622_CAPS | MTK_HWLRO,
.required_clks = MT7622_CLKS_BITMAP,
.required_pctl = false,
+ .irq_num = 3,
};
static const struct mtk_soc_data mt7623_data = {
- .caps = MTK_GMAC1_TRGMII | MTK_HWLRO,
+ .caps = MT7623_CAPS | MTK_HWLRO,
.required_clks = MT7623_CLKS_BITMAP,
.required_pctl = true,
+ .irq_num = 3,
+};
+
+static const struct mtk_soc_data leopard_data = {
+ .ana_rgc3 = 0x128,
+ .caps = LEOPARD_CAPS | MTK_HWLRO,
+ .required_clks = LEOPARD_CLKS_BITMAP,
+ .required_pctl = false,
+ .irq_num = 3,
+};
+
+static const struct mtk_soc_data mt7621_data = {
+ .caps = MT7621_CAPS,
+ .required_clks = MT7621_CLKS_BITMAP,
+ .required_pctl = false,
+ .irq_num = 1,
};
const struct of_device_id of_mtk_match[] = {
{ .compatible = "mediatek,mt2701-eth", .data = &mt2701_data},
{ .compatible = "mediatek,mt7622-eth", .data = &mt7622_data},
{ .compatible = "mediatek,mt7623-eth", .data = &mt7623_data},
+ { .compatible = "mediatek,mt7629-eth", .data = &leopard_data},
+ { .compatible = "mediatek,mt7621-eth", .data = &mt7621_data},
{},
};
MODULE_DEVICE_TABLE(of, of_mtk_match);
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -15,13 +15,17 @@
#ifndef MTK_ETH_H
#define MTK_ETH_H
+#include <linux/dma-mapping.h>
+#include <linux/netdevice.h>
+#include <linux/of_net.h>
+#include <linux/u64_stats_sync.h>
#include <linux/refcount.h>
#define MTK_QDMA_PAGE_SIZE 2048
#define MTK_MAX_RX_LENGTH 1536
#define MTK_TX_DMA_BUF_LEN 0x3fff
-#define MTK_DMA_SIZE 256
-#define MTK_NAPI_WEIGHT 64
+#define MTK_DMA_SIZE 2048
+#define MTK_NAPI_WEIGHT 256
#define MTK_MAC_COUNT 2
#define MTK_RX_ETH_HLEN (VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)
#define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN)
@@ -36,8 +40,6 @@
NETIF_MSG_TX_ERR)
#define MTK_HW_FEATURES (NETIF_F_IP_CSUM | \
NETIF_F_RXCSUM | \
- NETIF_F_HW_VLAN_CTAG_TX | \
- NETIF_F_HW_VLAN_CTAG_RX | \
NETIF_F_SG | NETIF_F_TSO | \
NETIF_F_TSO6 | \
NETIF_F_IPV6_CSUM)
@@ -76,6 +78,9 @@
#define MTK_CDMQ_IG_CTRL 0x1400
#define MTK_CDMQ_STAG_EN BIT(0)
+/* CDMP Ingress Control Register */
+#define MTK_CDMP_IG_CTRL 0x400
+
/* CDMP Exgress Control Register */
#define MTK_CDMP_EG_CTRL 0x404
@@ -225,8 +230,9 @@
#define MTK_TX_DONE_INT1 BIT(1)
#define MTK_TX_DONE_INT0 BIT(0)
#define MTK_RX_DONE_INT MTK_RX_DONE_DLY
-#define MTK_TX_DONE_INT (MTK_TX_DONE_INT0 | MTK_TX_DONE_INT1 | \
- MTK_TX_DONE_INT2 | MTK_TX_DONE_INT3)
+#define MTK_TX_DONE_DLY BIT(28)
+#define MTK_TX_DONE_INT MTK_TX_DONE_DLY
+
/* QDMA Interrupt grouping registers */
#define MTK_QDMA_INT_GRP1 0x1a20
@@ -267,6 +273,12 @@
#define MTK_GDM1_TX_GBCNT 0x2400
#define MTK_STAT_OFFSET 0x40
+/* QDMA TX NUM */
+#define MTK_QDMA_TX_NUM 16
+#define MTK_QDMA_TX_MASK ((MTK_QDMA_TX_NUM / 2) - 1)
+#define QID_LOW_BITS(x) ((x) & 0xf)
+#define QID_HIGH_BITS(x) ((((x) >> 4) & 0x3) & GENMASK(21, 20))
+
/* QDMA descriptor txd4 */
#define TX_DMA_CHKSUM (0x7 << 29)
#define TX_DMA_TSO BIT(28)
@@ -316,6 +328,8 @@
#define MAC_MCR_RX_EN BIT(13)
#define MAC_MCR_BACKOFF_EN BIT(9)
#define MAC_MCR_BACKPR_EN BIT(8)
+#define MAC_MCR_MDIO_EEE_1000T BIT(7)
+#define MAC_MCR_MDIO_EEE_100TX BIT(6)
#define MAC_MCR_FORCE_RX_FC BIT(5)
#define MAC_MCR_FORCE_TX_FC BIT(4)
#define MAC_MCR_SPEED_1000 BIT(3)
@@ -368,9 +382,11 @@
#define ETHSYS_SYSCFG0 0x14
#define SYSCFG0_GE_MASK 0x3
#define SYSCFG0_GE_MODE(x, y) (x << (12 + (y * 2)))
-#define SYSCFG0_SGMII_MASK (3 << 8)
-#define SYSCFG0_SGMII_GMAC1 ((2 << 8) & GENMASK(9, 8))
-#define SYSCFG0_SGMII_GMAC2 ((3 << 8) & GENMASK(9, 8))
+#define SYSCFG0_SGMII_MASK GENMASK(9, 8)
+#define SYSCFG0_SGMII_GMAC1 ((2 << 8) & SYSCFG0_SGMII_MASK)
+#define SYSCFG0_SGMII_GMAC2 ((3 << 8) & SYSCFG0_SGMII_MASK)
+#define SYSCFG0_SGMII_GMAC1_V2 BIT(9)
+#define SYSCFG0_SGMII_GMAC2_V2 BIT(8)
/* ethernet subsystem clock register */
#define ETHSYS_CLKCFG0 0x2c
@@ -398,6 +414,16 @@
#define SGMSYS_QPHY_PWR_STATE_CTRL 0xe8
#define SGMII_PHYA_PWD BIT(4)
+/* Infrasys subsystem config registers */
+#define INFRA_MISC2 0x70c
+#define CO_QPHY_SEL BIT(0)
+#define GEPHY_MAC_SEL BIT(1)
+
+/*MDIO control*/
+#define MII_MMD_ACC_CTL_REG 0x0d
+#define MII_MMD_ADDR_DATA_REG 0x0e
+#define MMD_OP_MODE_DATA BIT(14)
+
struct mtk_rx_dma {
unsigned int rxd1;
unsigned int rxd2;
@@ -462,15 +488,21 @@ enum mtk_tx_flags {
*/
enum mtk_clks_map {
MTK_CLK_ETHIF,
+ MTK_CLK_SGMIITOP,
MTK_CLK_ESW,
MTK_CLK_GP0,
MTK_CLK_GP1,
MTK_CLK_GP2,
+ MTK_CLK_FE,
MTK_CLK_TRGPLL,
MTK_CLK_SGMII_TX_250M,
MTK_CLK_SGMII_RX_250M,
MTK_CLK_SGMII_CDR_REF,
MTK_CLK_SGMII_CDR_FB,
+ MTK_CLK_SGMII2_TX_250M,
+ MTK_CLK_SGMII2_RX_250M,
+ MTK_CLK_SGMII2_CDR_REF,
+ MTK_CLK_SGMII2_CDR_FB,
MTK_CLK_SGMII_CK,
MTK_CLK_ETH2PLL,
MTK_CLK_MAX
@@ -488,6 +520,22 @@ enum mtk_clks_map {
BIT(MTK_CLK_SGMII_CDR_FB) | \
BIT(MTK_CLK_SGMII_CK) | \
BIT(MTK_CLK_ETH2PLL))
+#define LEOPARD_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \
+ BIT(MTK_CLK_GP0) | BIT(MTK_CLK_GP1) | \
+ BIT(MTK_CLK_GP2) | BIT(MTK_CLK_FE) | \
+ BIT(MTK_CLK_SGMII_TX_250M) | \
+ BIT(MTK_CLK_SGMII_RX_250M) | \
+ BIT(MTK_CLK_SGMII_CDR_REF) | \
+ BIT(MTK_CLK_SGMII_CDR_FB) | \
+ BIT(MTK_CLK_SGMII2_TX_250M) | \
+ BIT(MTK_CLK_SGMII2_RX_250M) | \
+ BIT(MTK_CLK_SGMII2_CDR_REF) | \
+ BIT(MTK_CLK_SGMII2_CDR_FB) | \
+ BIT(MTK_CLK_SGMII_CK) | \
+ BIT(MTK_CLK_ETH2PLL) | BIT(MTK_CLK_SGMIITOP))
+
+#define MT7621_CLKS_BITMAP 0
+
enum mtk_dev_state {
MTK_HW_INIT,
MTK_RESETTING
@@ -557,35 +605,149 @@ struct mtk_rx_ring {
u32 crx_idx_reg;
};
-#define MTK_TRGMII BIT(0)
-#define MTK_GMAC1_TRGMII (BIT(1) | MTK_TRGMII)
-#define MTK_ESW BIT(4)
-#define MTK_GMAC1_ESW (BIT(5) | MTK_ESW)
-#define MTK_SGMII BIT(8)
-#define MTK_GMAC1_SGMII (BIT(9) | MTK_SGMII)
-#define MTK_GMAC2_SGMII (BIT(10) | MTK_SGMII)
-#define MTK_DUAL_GMAC_SHARED_SGMII (BIT(11) | MTK_GMAC1_SGMII | \
- MTK_GMAC2_SGMII)
+enum mtk_eth_mux {
+ MTK_ETH_MUX_GDM1_TO_GMAC1_ESW,
+ MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY,
+ MTK_ETH_MUX_U3_GMAC2_TO_QPHY,
+ MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII,
+ MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII,
+ MTK_ETH_MUX_MAX,
+};
+
+enum mtk_eth_path {
+ MTK_ETH_PATH_GMAC1_RGMII,
+ MTK_ETH_PATH_GMAC1_TRGMII,
+ MTK_ETH_PATH_GMAC1_SGMII,
+ MTK_ETH_PATH_GMAC2_RGMII,
+ MTK_ETH_PATH_GMAC2_SGMII,
+ MTK_ETH_PATH_GMAC2_GEPHY,
+ MTK_ETH_PATH_GDM1_ESW,
+ MTK_ETH_PATH_MAX,
+};
+
+/* Capability for function group */
+#define MTK_RGMII BIT(0)
+#define MTK_TRGMII BIT(1)
+#define MTK_SGMII BIT(2)
+#define MTK_ESW BIT(3)
+#define MTK_GEPHY BIT(4)
+#define MTK_MUX BIT(5)
+#define MTK_INFRA BIT(6)
+#define MTK_SHARED_SGMII BIT(7)
+
+/* Capability for features on SoCs */
+#define MTK_PATH_BIT(x) BIT((x) + 10)
+
+#define MTK_GMAC1_RGMII \
+ (MTK_PATH_BIT(MTK_ETH_PATH_GMAC1_RGMII) | MTK_RGMII)
+
+#define MTK_GMAC1_TRGMII \
+ (MTK_PATH_BIT(MTK_ETH_PATH_GMAC1_TRGMII) | MTK_TRGMII)
+
+#define MTK_GMAC1_SGMII \
+ (MTK_PATH_BIT(MTK_ETH_PATH_GMAC1_SGMII) | MTK_SGMII)
+
+#define MTK_GMAC2_RGMII \
+ (MTK_PATH_BIT(MTK_ETH_PATH_GMAC2_RGMII) | MTK_RGMII)
+
+#define MTK_GMAC2_SGMII \
+ (MTK_PATH_BIT(MTK_ETH_PATH_GMAC2_SGMII) | MTK_SGMII)
+
+#define MTK_GMAC2_GEPHY \
+ (MTK_PATH_BIT(MTK_ETH_PATH_GMAC2_GEPHY) | MTK_GEPHY)
+
+#define MTK_GDM1_ESW \
+ (MTK_PATH_BIT(MTK_ETH_PATH_GDM1_ESW) | MTK_ESW)
+
+#define MTK_MUX_BIT(x) BIT((x) + 20)
+
+/* Capability for MUXes present on SoCs */
+/* 0: GDM1 -> GMAC1, 1: GDM1 -> ESW */
+#define MTK_MUX_GDM1_TO_GMAC1_ESW \
+ (MTK_MUX_BIT(MTK_ETH_MUX_GDM1_TO_GMAC1_ESW) | MTK_MUX)
+
+/* 0: GMAC2 -> GEPHY, 1: GMAC0 -> GePHY */
+#define MTK_MUX_GMAC2_GMAC0_TO_GEPHY \
+ (MTK_MUX_BIT(MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY) | MTK_MUX | MTK_INFRA)
+
+/* 0: U3 -> QPHY, 1: GMAC2 -> QPHY */
+#define MTK_MUX_U3_GMAC2_TO_QPHY \
+ (MTK_MUX_BIT(MTK_ETH_MUX_U3_GMAC2_TO_QPHY) | MTK_MUX | MTK_INFRA)
+
+/* 2: GMAC1 -> SGMII, 3: GMAC2 -> SGMII */
+#define MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII \
+ (MTK_MUX_BIT(MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII) | MTK_MUX | \
+ MTK_SHARED_SGMII)
+
+/* 0: GMACx -> GEPHY, 1: GMACx -> SGMII where x is 1 or 2 */
+#define MTK_MUX_GMAC12_TO_GEPHY_SGMII \
+ (MTK_MUX_BIT(MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII) | MTK_MUX)
+
#define MTK_HWLRO BIT(12)
+
#define MTK_HAS_CAPS(caps, _x) (((caps) & (_x)) == (_x))
+#define MT7622_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_SGMII | MTK_GMAC2_RGMII | \
+ MTK_GMAC2_SGMII | MTK_GDM1_ESW | \
+ MTK_MUX_GDM1_TO_GMAC1_ESW | \
+ MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII)
+
+#define MT7623_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | MTK_GMAC2_RGMII)
+
+#define LEOPARD_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \
+ MTK_GDM1_ESW | MTK_MUX_GDM1_TO_GMAC1_ESW | \
+ MTK_MUX_GMAC2_GMAC0_TO_GEPHY | \
+ MTK_MUX_U3_GMAC2_TO_QPHY | \
+ MTK_MUX_GMAC12_TO_GEPHY_SGMII)
+
+#define MT7621_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | MTK_GMAC2_RGMII)
+
/* struct mtk_eth_data - This is the structure holding all differences
* among various plaforms
+ * @ana_rgc3: The offset for register ANA_RGC3 related to
+ * sgmiisys syscon
* @caps Flags shown the extra capability for the SoC
* @required_clks Flags shown the bitmap for required clocks on
* the target SoC
* @required_pctl A bool value to show whether the SoC requires
* the extra setup for those pins used by GMAC.
+ * @irq_num total eth irq num support in target SoC
*/
struct mtk_soc_data {
+ u32 ana_rgc3;
u32 caps;
u32 required_clks;
bool required_pctl;
+ u32 irq_num;
};
/* currently no SoC has more than 2 macs */
#define MTK_MAX_DEVS 2
+struct mtk_eth_debug {
+ struct dentry *root;
+};
+
+#define MTK_SGMII_PHYSPEED_AN BIT(31)
+#define MTK_SGMII_PHYSPEED_MASK GENMASK(0, 2)
+#define MTK_SGMII_PHYSPEED_1000 BIT(0)
+#define MTK_SGMII_PHYSPEED_2500 BIT(1)
+#define MTK_HAS_FLAGS(flags, _x) (((flags) & (_x)) == (_x))
+
+/* struct mtk_sgmii - This is the structure holding sgmii regmap and its
+ * characteristics
+ * @regmap: The register map pointing at the range used to setup
+ * SGMII modes
+ * @flags: The enum refers to which mode the sgmii wants to run on
+ * @ana_rgc3: The offset refers to register ANA_RGC3 related to regmap
+ */
+
+struct mtk_sgmii {
+ struct regmap *regmap[MTK_MAX_DEVS];
+ u32 flags[MTK_MAX_DEVS];
+ u32 ana_rgc3;
+};
+
/* struct mtk_eth - This is the main datasructure for holding the state
* of the driver
* @dev: The device pointer
@@ -601,14 +763,15 @@ struct mtk_soc_data {
* @msg_enable: Ethtool msg level
* @ethsys: The register map pointing at the range used to setup
* MII modes
- * @sgmiisys: The register map pointing at the range used to setup
- * SGMII modes
+ * @infra: The register map pointing at the range used to setup
+ * SGMII and GePHY path
* @pctl: The register map pointing at the range used to setup
* GMAC port drive/slew values
* @dma_refcnt: track how many netdevs are using the DMA engine
* @tx_ring: Pointer to the memory holding info about the TX ring
* @rx_ring: Pointer to the memory holding info about the RX ring
- * @rx_ring_qdma: Pointer to the memory holding info about the QDMA RX ring
+ * @rx_ring_qdma: Pointer to the memory holding info about the QDMA RX
+ * ring
* @tx_napi: The TX NAPI struct
* @rx_napi: The RX NAPI struct
* @scratch_ring: Newer SoCs need memory for a second HW managed TX ring
@@ -619,13 +782,16 @@ struct mtk_soc_data {
* @pending_work: The workqueue used to reset the dma ring
* @state: Initialization and runtime state of the device
* @soc: Holding specific data among vaious SoCs
+ * @debug: Holding specific data for mtk_eth_dbg usage.
*/
struct mtk_eth {
struct device *dev;
void __iomem *base;
spinlock_t page_lock;
+ /* spin_lock for enable/disable tx irq critial section */
spinlock_t tx_irq_lock;
+ /* spin_lock for enable/disable rx irq critial section */
spinlock_t rx_irq_lock;
struct net_device dummy_dev;
struct net_device *netdev[MTK_MAX_DEVS];
@@ -634,10 +800,11 @@ struct mtk_eth {
u32 msg_enable;
unsigned long sysclk;
struct regmap *ethsys;
- struct regmap *sgmiisys;
+ struct regmap *infra;
+ struct mtk_sgmii *sgmii;
struct regmap *pctl;
bool hwlro;
- refcount_t dma_refcnt;
+ atomic_t dma_refcnt;
struct mtk_tx_ring tx_ring;
struct mtk_rx_ring rx_ring[MTK_MAX_RX_RING_NUM];
struct mtk_rx_ring rx_ring_qdma;
@@ -653,6 +820,7 @@ struct mtk_eth {
unsigned long state;
const struct mtk_soc_data *soc;
+ struct mtk_eth_debug debug;
};
/* struct mtk_mac - the structure that holds the info about the MACs of the
@@ -664,6 +832,7 @@ struct mtk_eth {
* @hw_stats: Packet statistics counter
* @trgmii Indicate if the MAC uses TRGMII connected to internal
switch
+ * @phy_dev: The attached PHY if available
*/
struct mtk_mac {
int id;
@@ -674,6 +843,7 @@ struct mtk_mac {
__be32 hwlro_ip[MTK_MAX_LRO_IP_CNT];
int hwlro_ip_cnt;
bool trgmii;
+ struct phy_device *phy_dev;
};
/* the struct describing the SoC. these are declared in the soc_xyz.c files */
@@ -685,4 +855,10 @@ void mtk_stats_update_mac(struct mtk_mac
void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg);
u32 mtk_r32(struct mtk_eth *eth, unsigned reg);
+int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *np,
+ u32 ana_rgc3);
+int mtk_sgmii_setup_mode_an(struct mtk_sgmii *ss, int id);
+int mtk_sgmii_setup_mode_force(struct mtk_sgmii *ss, int id);
+int mtk_setup_hw_path(struct mtk_eth *eth, int mac_id, int phymode);
+
#endif /* MTK_ETH_H */
--- /dev/null
+++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2018 Sean Wang <sean.wang@mediatek.com>
+ */
+
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+
+#include "mtk_eth_soc.h"
+
+int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *r, u32 ana_rgc3)
+{
+ struct device_node *np;
+ const char *str;
+ int i, err;
+
+ ss->ana_rgc3 = ana_rgc3;
+
+ for (i = 0; i < MTK_MAX_DEVS; i++) {
+ np = of_parse_phandle(r, "mediatek,sgmiisys", i);
+ if (!np)
+ break;
+
+ ss->regmap[i] = syscon_node_to_regmap(np);
+ if (IS_ERR(ss->regmap[i]))
+ return PTR_ERR(ss->regmap[i]);
+
+ err = of_property_read_string(np, "mediatek,physpeed", &str);
+ if (err)
+ return err;
+
+ if (!strcmp(str, "2500"))
+ pr_info("sean debug physpeed = 2500\n");
+
+ if (!strcmp(str, "2500"))
+ ss->flags[i] |= MTK_SGMII_PHYSPEED_2500;
+ else if (!strcmp(str, "1000"))
+ ss->flags[i] |= MTK_SGMII_PHYSPEED_1000;
+ else if (!strcmp(str, "auto"))
+ ss->flags[i] |= MTK_SGMII_PHYSPEED_AN;
+ else
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int mtk_sgmii_setup_mode_an(struct mtk_sgmii *ss, int id)
+{
+ unsigned int val;
+
+ if (!ss->regmap[id])
+ return -EINVAL;
+
+ /* Setup the link timer and QPHY power up inside SGMIISYS */
+ regmap_write(ss->regmap[id], SGMSYS_PCS_LINK_TIMER,
+ SGMII_LINK_TIMER_DEFAULT);
+
+ regmap_read(ss->regmap[id], SGMSYS_SGMII_MODE, &val);
+ val |= SGMII_REMOTE_FAULT_DIS;
+ regmap_write(ss->regmap[id], SGMSYS_SGMII_MODE, val);
+
+ regmap_read(ss->regmap[id], SGMSYS_PCS_CONTROL_1, &val);
+ val |= SGMII_AN_RESTART;
+ regmap_write(ss->regmap[id], SGMSYS_PCS_CONTROL_1, val);
+
+ regmap_read(ss->regmap[id], SGMSYS_QPHY_PWR_STATE_CTRL, &val);
+ val &= ~SGMII_PHYA_PWD;
+ regmap_write(ss->regmap[id], SGMSYS_QPHY_PWR_STATE_CTRL, val);
+
+ return 0;
+}
+
+int mtk_sgmii_setup_mode_force(struct mtk_sgmii *ss, int id)
+{
+ unsigned int val;
+ int mode;
+
+ if (!ss->regmap[id])
+ return -EINVAL;
+
+ regmap_read(ss->regmap[id], ss->ana_rgc3, &val);
+ val &= ~GENMASK(2, 3);
+ mode = ss->flags[id] & MTK_SGMII_PHYSPEED_MASK;
+ val |= (mode == MTK_SGMII_PHYSPEED_1000) ? 0 : BIT(2);
+ regmap_write(ss->regmap[id], ss->ana_rgc3, val);
+
+ /* disable SGMII AN */
+ regmap_read(ss->regmap[id], SGMSYS_PCS_CONTROL_1, &val);
+ val &= ~BIT(12);
+ regmap_write(ss->regmap[id], SGMSYS_PCS_CONTROL_1, val);
+
+ /* SGMII force mode setting */
+ val = 0x31120019;
+ regmap_write(ss->regmap[id], SGMSYS_SGMII_MODE, val);
+
+ /* Release PHYA power down state */
+ regmap_read(ss->regmap[id], SGMSYS_QPHY_PWR_STATE_CTRL, &val);
+ val &= ~SGMII_PHYA_PWD;
+ regmap_write(ss->regmap[id], SGMSYS_QPHY_PWR_STATE_CTRL, val);
+
+ return 0;
+}
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