| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (C) 2020 MediaTek Inc. |
| * |
| * Author: Weijie Gao <weijie.gao@mediatek.com> |
| */ |
| |
| #include <cpu_func.h> |
| #include <dm.h> |
| #include <clk.h> |
| #include <malloc.h> |
| #include <miiphy.h> |
| #include <misc.h> |
| #include <net.h> |
| #include <reset.h> |
| #include <asm/addrspace.h> |
| #include <asm/cache.h> |
| #include <asm/gpio.h> |
| #include <dm/device_compat.h> |
| #include <linux/bitfield.h> |
| #include <linux/bitops.h> |
| #include <linux/delay.h> |
| #include <linux/err.h> |
| #include <linux/ethtool.h> |
| #include <linux/io.h> |
| #include <linux/iopoll.h> |
| #include <linux/mdio.h> |
| #include <linux/mii.h> |
| #include <mach/mt7620-sysc.h> |
| |
| /* Frame Engine block */ |
| #define GDMA_BASE 0x600 |
| #define PDMA_BASE 0x800 |
| |
| /* GDMA registers */ |
| #define GDMA_FWD_CFG 0x00 |
| #define GDMA_DST_PORT GENMASK(2, 0) |
| #define GDMA_DST_PORT_CPU 0 |
| |
| #define GDMA_MAC_ADRL 0x08 |
| #define GDMA_MAC_ADRH 0x0c |
| |
| /* PDMA registers */ |
| #define TX_BASE_PTR0 0x000 |
| #define TX_MAX_CNT0 0x004 |
| #define TX_CTX_IDX0 0x008 |
| #define TX_DTX_IDX0 0x00c |
| #define RX_BASE_PTR0 0x100 |
| #define RX_MAX_CNT0 0x104 |
| #define RX_CALC_IDX0 0x108 |
| #define RX_DRX_IDX0 0x10c |
| |
| #define PDMA_GLO_CFG 0x204 |
| #define TX_WB_DDONE BIT(6) |
| #define PDMA_BT_SIZE GENMASK(5, 4) |
| #define PDMA_BT_SIZE_32B 1 |
| #define RX_DMA_BUSY BIT(3) |
| #define RX_DMA_EN BIT(2) |
| #define TX_DMA_BUSY BIT(1) |
| #define TX_DMA_EN BIT(0) |
| |
| #define PDMA_RST_IDX 0x208 |
| #define RST_DRX_IDX0 BIT(16) |
| #define RST_DTX_IDX0 BIT(0) |
| |
| /* Built-in giga ethernet switch block */ |
| |
| /* ARL registers */ |
| #define GSW_MFC 0x0010 |
| #define BC_FFP GENMASK(31, 24) |
| #define UNM_FFP GENMASK(23, 16) |
| #define UNU_FFP GENMASK(15, 8) |
| #define CPU_EN BIT(7) |
| #define CPU_PORT GENMASK(6, 4) |
| |
| /* Port registers */ |
| #define GSW_PCR(p) (0x2004 + (p) * 0x100) |
| #define PORT_MATRIX GENMASK(23, 16) |
| |
| #define GSW_PVC(p) (0x2010 + (p) * 0x100) |
| #define STAG_VPID GENMASK(31, 16) |
| #define VLAN_ATTR GENMASK(7, 6) |
| #define VLAN_ATTR_USER 0 |
| |
| /* MAC registers */ |
| #define GSW_PMCR(p) (0x3000 + (p) * 0x100) |
| #define IPG_CFG GENMASK(19, 18) |
| #define IPG_96BIT_WITH_SHORT_IPG 1 |
| #define MAC_MODE BIT(16) |
| #define FORCE_MODE BIT(15) |
| #define MAC_TX_EN BIT(14) |
| #define MAC_RX_EN BIT(13) |
| #define BKOFF_EN BIT(9) |
| #define BACKPR_EN BIT(8) |
| #define FORCE_EEE1G BIT(7) |
| #define FORCE_EEE100 BIT(6) |
| #define FORCE_RX_FC BIT(5) |
| #define FORCE_TX_FC BIT(4) |
| #define FORCE_SPEED GENMASK(3, 2) |
| #define FORCE_SPEED_1000 2 |
| #define FORCE_SPEED_100 1 |
| #define FORCE_SPEED_10 0 |
| #define FORCE_DUPLEX BIT(1) |
| #define FORCE_LINK BIT(0) |
| |
| /* GMAC registers */ |
| #define GSW_PPSC 0x7000 |
| #define PHY_AP_EN BIT(31) |
| #define PHY_PRE_EN BIT(30) |
| #define PHY_MDC_CFG GENMASK(29, 24) |
| #define EPHY_AP_EN BIT(23) |
| #define EE_AN_EN BIT(16) |
| #define PHY_AP_END_ADDR GENMASK(12, 8) |
| #define PHY_AP_START_ADDR GENMASK(4, 0) |
| |
| #define GSW_PIAC 0x7004 |
| #define PHY_ACS_ST BIT(31) |
| #define MDIO_REG_ADDR GENMASK(29, 25) |
| #define MDIO_PHY_ADDR GENMASK(24, 20) |
| #define MDIO_CMD GENMASK(19, 18) |
| #define MDIO_CMD_WRITE 1 |
| #define MDIO_CMD_READ 2 |
| #define MDIO_ST GENMASK(17, 16) |
| #define MDIO_RW_DATA GENMASK(15, 0) |
| |
| #define GSW_GPC1 0x7014 |
| #define PHY_DIS GENMASK(28, 24) |
| #define PHY_BASE GENMASK(20, 16) |
| #define TX_CLK_MODE BIT(3) |
| #define RX_CLK_MODE BIT(2) |
| |
| /* MII Registers for MDIO clause 45 indirect access */ |
| #define MII_MMD_ACC_CTL_REG 0x0d |
| #define MMD_OP_MODE GENMASK(15, 14) |
| #define MMD_ADDR 0 |
| #define MMD_DATA 1 |
| #define MMD_DATA_RW_POST_INC 2 |
| #define MMD_DATA_W_POST_INC 3 |
| #define MMD_DEVAD GENMASK(4, 0) |
| |
| #define MII_MMD_ADDR_DATA_REG 0x0e |
| |
| /* MT7530 internal register access */ |
| #define MT7530_REG_PAGE_ADDR GENMASK(15, 6) |
| #define MT7530_REG_ADDR GENMASK(5, 2) |
| |
| /* MT7530 system control registers*/ |
| #define MT7530_SYS_CTRL 0x7000 |
| #define SW_SYS_RST BIT(1) |
| #define SW_REG_RST BIT(0) |
| |
| #define MT7530_MHWTRAP 0x7804 |
| #define P5_INTF_SEL_GMAC5 BIT(13) |
| #define P5_INTF_DIS BIT(6) |
| |
| struct pdma_txd_info1 { |
| u32 SDP0; |
| }; |
| |
| struct pdma_txd_info2 { |
| u32 SDL1 : 14; |
| u32 LS1 : 1; |
| u32 BURST : 1; |
| u32 SDL0 : 14; |
| u32 LS0 : 1; |
| u32 DDONE : 1; |
| }; |
| |
| struct pdma_txd_info3 { |
| u32 SDP1; |
| }; |
| |
| struct pdma_txd_info4 { |
| u32 VPRI_VIDX : 8; |
| u32 SIDX : 4; |
| u32 INSP : 1; |
| u32 RESV : 2; |
| u32 UDF : 5; |
| u32 FP_BMAP : 8; |
| u32 TSO : 1; |
| u32 TUI_CO : 3; |
| }; |
| |
| struct pdma_tx_desc { |
| struct pdma_txd_info1 txd_info1; |
| struct pdma_txd_info2 txd_info2; |
| struct pdma_txd_info3 txd_info3; |
| struct pdma_txd_info4 txd_info4; |
| }; |
| |
| struct pdma_rxd_info1 { |
| u32 PDP0; |
| }; |
| |
| struct pdma_rxd_info2 { |
| u32 PLEN1 : 14; |
| u32 LS1 : 1; |
| u32 UN_USED : 1; |
| u32 PLEN0 : 14; |
| u32 LS0 : 1; |
| u32 DDONE : 1; |
| }; |
| |
| struct pdma_rxd_info3 { |
| u32 PDP1; |
| }; |
| |
| struct pdma_rxd_info4 { |
| u32 FOE_ENTRY : 14; |
| u32 CRSN : 5; |
| u32 SP : 3; |
| u32 L4F : 1; |
| u32 L4VLD : 1; |
| u32 TACK : 1; |
| u32 IP4F : 1; |
| u32 IP4 : 1; |
| u32 IP6 : 1; |
| u32 UN_USED : 4; |
| }; |
| |
| struct pdma_rx_desc { |
| struct pdma_rxd_info1 rxd_info1; |
| struct pdma_rxd_info2 rxd_info2; |
| struct pdma_rxd_info3 rxd_info3; |
| struct pdma_rxd_info4 rxd_info4; |
| }; |
| |
| struct mt7620_gsw_port_cfg { |
| phy_interface_t mode; |
| bool force_mode; |
| bool duplex; |
| u32 speed; |
| int phy_addr; |
| }; |
| |
| struct mt7620_eth_priv { |
| struct udevice *dev; |
| |
| void __iomem *fe_base; |
| void __iomem *gsw_base; |
| |
| struct mii_dev *mdio_bus; |
| |
| struct pdma_tx_desc *tx_ring_noc; |
| struct pdma_rx_desc *rx_ring_noc; |
| |
| int rx_dma_owner_idx0; |
| int tx_cpu_owner_idx0; |
| |
| void *pkt_buf; |
| void *tx_ring; |
| void *rx_ring; |
| |
| struct reset_ctl_bulk rsts; |
| struct clk_bulk clks; |
| |
| struct udevice *sysc; |
| |
| u32 ephy_num; |
| bool port5_mt7530; |
| struct gpio_desc gpio_swrst; |
| struct mt7620_gsw_port_cfg port_cfg[3]; |
| }; |
| |
| #define PDMA_TIMEOUT 100000 |
| |
| #define NUM_TX_DESC 64 |
| #define NUM_RX_DESC 128 |
| #define NUM_FE_PHYS 5 |
| #define NUM_PORTS 7 |
| #define CPU_PORT_NUM 6 |
| |
| #define NUM_MT7530_PHYS 5 |
| |
| static void pdma_write(struct mt7620_eth_priv *priv, u32 reg, u32 val) |
| { |
| writel(val, priv->fe_base + PDMA_BASE + reg); |
| } |
| |
| static void gdma_write(struct mt7620_eth_priv *priv, u32 reg, u32 val) |
| { |
| writel(val, priv->fe_base + GDMA_BASE + reg); |
| } |
| |
| static void gdma_rmw(struct mt7620_eth_priv *priv, u32 reg, u32 clr, u32 set) |
| { |
| clrsetbits_le32(priv->fe_base + GDMA_BASE + reg, clr, set); |
| } |
| |
| static u32 gsw_read(struct mt7620_eth_priv *priv, u32 reg) |
| { |
| return readl(priv->gsw_base + reg); |
| } |
| |
| static void gsw_write(struct mt7620_eth_priv *priv, u32 reg, u32 val) |
| { |
| writel(val, priv->gsw_base + reg); |
| } |
| |
| static void gsw_rmw(struct mt7620_eth_priv *priv, u32 reg, u32 clr, u32 set) |
| { |
| clrsetbits_le32(priv->gsw_base + reg, clr, set); |
| } |
| |
| static int mt7620_mdio_rw(struct mt7620_eth_priv *priv, u32 phy, u32 reg, |
| u32 data, u32 cmd) |
| { |
| int ret; |
| u32 val; |
| |
| val = FIELD_PREP(MDIO_ST, 1) | FIELD_PREP(MDIO_CMD, cmd) | |
| FIELD_PREP(MDIO_PHY_ADDR, phy) | |
| FIELD_PREP(MDIO_REG_ADDR, reg); |
| |
| if (cmd == MDIO_CMD_WRITE) |
| val |= FIELD_PREP(MDIO_RW_DATA, data); |
| |
| gsw_write(priv, GSW_PIAC, val); |
| gsw_write(priv, GSW_PIAC, val | PHY_ACS_ST); |
| |
| ret = readl_poll_timeout(priv->gsw_base + GSW_PIAC, val, |
| !(val & PHY_ACS_ST), 10000); |
| if (ret) { |
| dev_err(priv->dev, "mt7620_eth: MDIO access timeout\n"); |
| return ret; |
| } |
| |
| if (cmd == MDIO_CMD_READ) { |
| val = gsw_read(priv, GSW_PIAC); |
| return FIELD_GET(MDIO_RW_DATA, val); |
| } |
| |
| return 0; |
| } |
| |
| static int mt7620_mii_read(struct mt7620_eth_priv *priv, u32 phy, u32 reg) |
| { |
| return mt7620_mdio_rw(priv, phy, reg, 0, MDIO_CMD_READ); |
| } |
| |
| static int mt7620_mii_write(struct mt7620_eth_priv *priv, u32 phy, u32 reg, |
| u16 val) |
| { |
| return mt7620_mdio_rw(priv, phy, reg, val, MDIO_CMD_WRITE); |
| } |
| |
| static int mt7620_mdio_read(struct mii_dev *bus, int addr, int devad, int reg) |
| { |
| struct mt7620_eth_priv *priv = bus->priv; |
| int ret; |
| |
| if (devad < 0) |
| return mt7620_mdio_rw(priv, addr, reg, 0, MDIO_CMD_READ); |
| |
| ret = mt7620_mdio_rw(priv, addr, MII_MMD_ACC_CTL_REG, |
| FIELD_PREP(MMD_OP_MODE, MMD_ADDR) | |
| FIELD_PREP(MMD_DEVAD, devad), MDIO_CMD_WRITE); |
| if (ret) |
| return ret; |
| |
| ret = mt7620_mdio_rw(priv, addr, MII_MMD_ADDR_DATA_REG, reg, |
| MDIO_CMD_WRITE); |
| if (ret) |
| return ret; |
| |
| ret = mt7620_mdio_rw(priv, addr, MII_MMD_ACC_CTL_REG, |
| FIELD_PREP(MMD_OP_MODE, MMD_DATA) | |
| FIELD_PREP(MMD_DEVAD, devad), MDIO_CMD_WRITE); |
| if (ret) |
| return ret; |
| |
| return mt7620_mdio_rw(priv, addr, MII_MMD_ADDR_DATA_REG, 0, |
| MDIO_CMD_READ); |
| } |
| |
| static int mt7620_mdio_write(struct mii_dev *bus, int addr, int devad, int reg, |
| u16 val) |
| { |
| struct mt7620_eth_priv *priv = bus->priv; |
| int ret; |
| |
| if (devad < 0) |
| return mt7620_mdio_rw(priv, addr, reg, val, MDIO_CMD_WRITE); |
| |
| ret = mt7620_mdio_rw(priv, addr, MII_MMD_ACC_CTL_REG, |
| FIELD_PREP(MMD_OP_MODE, MMD_ADDR) | |
| FIELD_PREP(MMD_DEVAD, devad), MDIO_CMD_WRITE); |
| if (ret) |
| return ret; |
| |
| ret = mt7620_mdio_rw(priv, addr, MII_MMD_ADDR_DATA_REG, reg, |
| MDIO_CMD_WRITE); |
| if (ret) |
| return ret; |
| |
| ret = mt7620_mdio_rw(priv, addr, MII_MMD_ACC_CTL_REG, |
| FIELD_PREP(MMD_OP_MODE, MMD_DATA) | |
| FIELD_PREP(MMD_DEVAD, devad), MDIO_CMD_WRITE); |
| if (ret) |
| return ret; |
| |
| return mt7620_mdio_rw(priv, addr, MII_MMD_ADDR_DATA_REG, val, |
| MDIO_CMD_WRITE); |
| } |
| |
| static int mt7620_mdio_register(struct udevice *dev) |
| { |
| struct mt7620_eth_priv *priv = dev_get_priv(dev); |
| struct mii_dev *mdio_bus = mdio_alloc(); |
| int ret; |
| |
| if (!mdio_bus) |
| return -ENOMEM; |
| |
| mdio_bus->read = mt7620_mdio_read; |
| mdio_bus->write = mt7620_mdio_write; |
| snprintf(mdio_bus->name, sizeof(mdio_bus->name), dev->name); |
| |
| mdio_bus->priv = (void *)priv; |
| |
| ret = mdio_register(mdio_bus); |
| |
| if (ret) |
| return ret; |
| |
| priv->mdio_bus = mdio_bus; |
| |
| return 0; |
| } |
| |
| static int mt7530_reg_read(struct mt7620_eth_priv *priv, u32 reg, u32 *data) |
| { |
| int ret, low_word, high_word; |
| |
| /* Write page address */ |
| ret = mt7620_mii_write(priv, 0x1f, 0x1f, |
| FIELD_GET(MT7530_REG_PAGE_ADDR, reg)); |
| if (ret) |
| return ret; |
| |
| /* Read low word */ |
| low_word = mt7620_mii_read(priv, 0x1f, FIELD_GET(MT7530_REG_ADDR, reg)); |
| if (low_word < 0) |
| return low_word; |
| |
| /* Read high word */ |
| high_word = mt7620_mii_read(priv, 0x1f, 0x10); |
| if (high_word < 0) |
| return high_word; |
| |
| if (data) |
| *data = ((u32)high_word << 16) | ((u32)low_word & 0xffff); |
| |
| return 0; |
| } |
| |
| static int mt7530_reg_write(struct mt7620_eth_priv *priv, u32 reg, u32 data) |
| { |
| int ret; |
| |
| /* Write page address */ |
| ret = mt7620_mii_write(priv, 0x1f, 0x1f, |
| FIELD_GET(MT7530_REG_PAGE_ADDR, reg)); |
| if (ret) |
| return ret; |
| |
| /* Write low word */ |
| ret = mt7620_mii_write(priv, 0x1f, FIELD_GET(MT7530_REG_ADDR, reg), |
| data & 0xffff); |
| if (ret) |
| return ret; |
| |
| /* Write high word */ |
| return mt7620_mii_write(priv, 0x1f, 0x10, data >> 16); |
| } |
| |
| static void mt7620_phy_restart_an(struct mt7620_eth_priv *priv, u32 phy) |
| { |
| u16 val; |
| |
| val = mt7620_mii_read(priv, phy, MII_BMCR); |
| val |= BMCR_ANRESTART; |
| mt7620_mii_write(priv, phy, MII_BMCR, val); |
| } |
| |
| static void mt7620_gsw_ephy_init(struct mt7620_eth_priv *priv) |
| { |
| struct mt7620_sysc_chip_rev chip_rev; |
| int ret; |
| u32 i; |
| |
| ret = misc_ioctl(priv->sysc, MT7620_SYSC_IOCTL_GET_CHIP_REV, &chip_rev); |
| if (ret) { |
| /* Assume MT7620A if misc_ioctl() failed */ |
| dev_warn(priv->dev, "mt7620_eth: failed to get chip rev\n"); |
| chip_rev.bga = 1; |
| } |
| |
| /* global, page 4 */ |
| mt7620_mii_write(priv, 1, 31, 0x4000); |
| mt7620_mii_write(priv, 1, 17, 0x7444); |
| |
| if (chip_rev.bga) |
| mt7620_mii_write(priv, 1, 19, 0x0114); |
| else |
| mt7620_mii_write(priv, 1, 19, 0x0117); |
| |
| mt7620_mii_write(priv, 1, 22, 0x10cf); |
| mt7620_mii_write(priv, 1, 25, 0x6212); |
| mt7620_mii_write(priv, 1, 26, 0x0777); |
| mt7620_mii_write(priv, 1, 29, 0x4000); |
| mt7620_mii_write(priv, 1, 28, 0xc077); |
| mt7620_mii_write(priv, 1, 24, 0x0000); |
| |
| /* global, page 3 */ |
| mt7620_mii_write(priv, 1, 31, 0x3000); |
| mt7620_mii_write(priv, 1, 17, 0x4838); |
| |
| /* global, page 2 */ |
| mt7620_mii_write(priv, 1, 31, 0x2000); |
| |
| if (chip_rev.bga) { |
| mt7620_mii_write(priv, 1, 21, 0x0515); |
| mt7620_mii_write(priv, 1, 22, 0x0053); |
| mt7620_mii_write(priv, 1, 23, 0x00bf); |
| mt7620_mii_write(priv, 1, 24, 0x0aaf); |
| mt7620_mii_write(priv, 1, 25, 0x0fad); |
| mt7620_mii_write(priv, 1, 26, 0x0fc1); |
| } else { |
| mt7620_mii_write(priv, 1, 21, 0x0517); |
| mt7620_mii_write(priv, 1, 22, 0x0fd2); |
| mt7620_mii_write(priv, 1, 23, 0x00bf); |
| mt7620_mii_write(priv, 1, 24, 0x0aab); |
| mt7620_mii_write(priv, 1, 25, 0x00ae); |
| mt7620_mii_write(priv, 1, 26, 0x0fff); |
| } |
| |
| /* global, page 1 */ |
| mt7620_mii_write(priv, 1, 31, 0x1000); |
| mt7620_mii_write(priv, 1, 17, 0xe7f8); |
| |
| /* local, page 0 */ |
| mt7620_mii_write(priv, 1, 31, 0x8000); |
| for (i = 0; i < priv->ephy_num; i++) |
| mt7620_mii_write(priv, i, 30, 0xa000); |
| |
| for (i = 0; i < priv->ephy_num; i++) |
| mt7620_mii_write(priv, i, 4, 0x05e1); |
| |
| /* local, page 2 */ |
| mt7620_mii_write(priv, 1, 31, 0xa000); |
| mt7620_mii_write(priv, 0, 16, 0x1111); |
| mt7620_mii_write(priv, 1, 16, 0x1010); |
| mt7620_mii_write(priv, 2, 16, 0x1515); |
| mt7620_mii_write(priv, 3, 16, 0x0f0f); |
| if (priv->ephy_num == NUM_FE_PHYS) |
| mt7620_mii_write(priv, 4, 16, 0x1313); |
| |
| /* Restart auto-negotiation */ |
| for (i = 0; i < priv->ephy_num; i++) |
| mt7620_phy_restart_an(priv, i); |
| |
| if (priv->port_cfg[0].phy_addr > 0) |
| mt7620_phy_restart_an(priv, priv->port_cfg[0].phy_addr); |
| |
| if (priv->port_cfg[1].phy_addr > 0) |
| mt7620_phy_restart_an(priv, priv->port_cfg[1].phy_addr); |
| } |
| |
| static int mt7620_setup_gmac_mode(struct mt7620_eth_priv *priv, u32 gmac, |
| phy_interface_t mode) |
| { |
| enum mt7620_sysc_ge_mode ge_mode; |
| unsigned long req; |
| int ret; |
| |
| switch (gmac) { |
| case 1: |
| req = MT7620_SYSC_IOCTL_SET_GE1_MODE; |
| break; |
| case 2: |
| req = MT7620_SYSC_IOCTL_SET_GE2_MODE; |
| break; |
| default: |
| /* Should not reach here */ |
| return -EINVAL; |
| } |
| |
| switch (mode) { |
| case PHY_INTERFACE_MODE_MII: |
| ge_mode = MT7620_SYSC_GE_MII; |
| break; |
| case PHY_INTERFACE_MODE_RMII: |
| ge_mode = MT7620_SYSC_GE_RMII; |
| break; |
| case PHY_INTERFACE_MODE_RGMII: |
| ge_mode = MT7620_SYSC_GE_RGMII; |
| break; |
| case PHY_INTERFACE_MODE_NONE: |
| if (gmac == 2) |
| ge_mode = MT7620_SYSC_GE_ESW_PHY; |
| else |
| ge_mode = MT7620_SYSC_GE_RGMII; |
| break; |
| default: |
| /* Should not reach here */ |
| return -EINVAL; |
| } |
| |
| ret = misc_ioctl(priv->sysc, req, &ge_mode); |
| if (ret) |
| dev_warn(priv->dev, "mt7620_eth: failed to set GE%u mode\n", |
| gmac); |
| |
| return 0; |
| } |
| |
| static void mt7620_gsw_setup_port(struct mt7620_eth_priv *priv, u32 port, |
| struct mt7620_gsw_port_cfg *port_cfg) |
| { |
| u32 pmcr; |
| |
| if (port_cfg->mode == PHY_INTERFACE_MODE_NONE) { |
| if (port == 5) { |
| gsw_write(priv, GSW_PMCR(port), FORCE_MODE); |
| return; |
| } |
| |
| port_cfg->force_mode = port == CPU_PORT_NUM ? true : false; |
| } |
| |
| pmcr = FIELD_PREP(IPG_CFG, IPG_96BIT_WITH_SHORT_IPG) | MAC_MODE | |
| MAC_TX_EN | MAC_RX_EN | BKOFF_EN | BACKPR_EN; |
| |
| if (port_cfg->force_mode) { |
| pmcr |= FORCE_MODE | FORCE_RX_FC | FORCE_TX_FC | |
| FIELD_PREP(FORCE_SPEED, port_cfg->speed) | FORCE_LINK; |
| |
| if (port_cfg->duplex) |
| pmcr |= FORCE_DUPLEX; |
| } |
| |
| gsw_write(priv, GSW_PMCR(port), pmcr); |
| } |
| |
| static void mt7620_gsw_set_port_isolation(struct mt7620_eth_priv *priv) |
| { |
| u32 i; |
| |
| for (i = 0; i < NUM_PORTS; i++) { |
| /* Set port matrix mode */ |
| if (i != CPU_PORT_NUM) |
| gsw_write(priv, GSW_PCR(i), |
| FIELD_PREP(PORT_MATRIX, 0x40)); |
| else |
| gsw_write(priv, GSW_PCR(i), |
| FIELD_PREP(PORT_MATRIX, 0x3f)); |
| |
| /* Set port mode to user port */ |
| gsw_write(priv, GSW_PVC(i), FIELD_PREP(STAG_VPID, 0x8100) | |
| FIELD_PREP(VLAN_ATTR, VLAN_ATTR_USER)); |
| } |
| } |
| |
| static void mt7620_gsw_setup_phy_polling(struct mt7620_eth_priv *priv) |
| { |
| int phy_addr_st, phy_addr_end; |
| |
| if (priv->port_cfg[0].mode == PHY_INTERFACE_MODE_NONE) |
| priv->ephy_num = NUM_FE_PHYS; |
| else |
| priv->ephy_num = NUM_FE_PHYS - 1; |
| |
| if (priv->port_cfg[0].phy_addr < 0 && priv->port_cfg[1].phy_addr < 0) |
| return; |
| |
| if (priv->port_cfg[0].phy_addr > 0 && priv->port_cfg[1].phy_addr > 0) { |
| phy_addr_st = priv->port_cfg[0].phy_addr; |
| phy_addr_end = priv->port_cfg[1].phy_addr; |
| } else if (priv->port_cfg[0].phy_addr > 0) { |
| phy_addr_st = priv->port_cfg[0].phy_addr; |
| phy_addr_end = priv->port_cfg[0].phy_addr + 1; |
| } else { |
| phy_addr_st = 4; |
| phy_addr_end = priv->port_cfg[1].phy_addr; |
| } |
| |
| gsw_rmw(priv, GSW_PPSC, PHY_AP_END_ADDR | PHY_AP_START_ADDR, |
| PHY_AP_EN | FIELD_PREP(PHY_AP_START_ADDR, phy_addr_st) | |
| FIELD_PREP(PHY_AP_END_ADDR, phy_addr_end)); |
| } |
| |
| static void mt7530_gsw_set_port_isolation(struct mt7620_eth_priv *priv) |
| { |
| u32 i; |
| |
| for (i = 0; i < NUM_PORTS; i++) { |
| /* Set port matrix mode */ |
| if (i != CPU_PORT_NUM) |
| mt7530_reg_write(priv, GSW_PCR(i), |
| FIELD_PREP(PORT_MATRIX, 0x40)); |
| else |
| mt7530_reg_write(priv, GSW_PCR(i), |
| FIELD_PREP(PORT_MATRIX, 0x3f)); |
| |
| /* Set port mode to user port */ |
| mt7530_reg_write(priv, GSW_PVC(i), |
| FIELD_PREP(STAG_VPID, 0x8100) | |
| FIELD_PREP(VLAN_ATTR, VLAN_ATTR_USER)); |
| } |
| } |
| |
| static void mt7620_gsw_config_mt7530(struct mt7620_eth_priv *priv) |
| { |
| u16 phy_val; |
| u32 i, val; |
| |
| /* Disable internal PHY, set PHY base to 12 */ |
| gsw_write(priv, GSW_GPC1, PHY_DIS | FIELD_PREP(PHY_BASE, 12) | |
| TX_CLK_MODE | RX_CLK_MODE); |
| |
| /* MT7530 reset deassert */ |
| dm_gpio_set_value(&priv->gpio_swrst, 1); |
| mdelay(1000); |
| |
| /* Turn off PHYs */ |
| for (i = 0; i < NUM_MT7530_PHYS; i++) { |
| phy_val = mt7620_mii_read(priv, i, MII_BMCR); |
| phy_val |= BMCR_PDOWN; |
| mt7620_mii_write(priv, i, MII_BMCR, phy_val); |
| } |
| |
| /* Force MAC link down before reset */ |
| mt7530_reg_write(priv, GSW_PMCR(5), FORCE_MODE); |
| mt7530_reg_write(priv, GSW_PMCR(6), FORCE_MODE); |
| |
| /* MT7530 soft reset */ |
| mt7530_reg_write(priv, MT7530_SYS_CTRL, SW_SYS_RST | SW_REG_RST); |
| udelay(100); |
| |
| /* MT7530 port6 force to 1G (connects to MT7620 GSW port5) */ |
| mt7530_reg_write(priv, GSW_PMCR(6), |
| FIELD_PREP(IPG_CFG, IPG_96BIT_WITH_SHORT_IPG) | |
| MAC_MODE | FORCE_MODE | MAC_TX_EN | MAC_RX_EN | |
| BKOFF_EN | BACKPR_EN | FORCE_RX_FC | FORCE_TX_FC | |
| FIELD_PREP(FORCE_SPEED, FORCE_SPEED_1000) | |
| FORCE_DUPLEX | FORCE_LINK); |
| |
| /* Disable MT7530 port5 */ |
| mt7530_reg_read(priv, MT7530_MHWTRAP, &val); |
| val |= P5_INTF_SEL_GMAC5 | P5_INTF_DIS; |
| mt7530_reg_write(priv, MT7530_MHWTRAP, val); |
| |
| /* Isolate each ports */ |
| mt7530_gsw_set_port_isolation(priv); |
| |
| /* Turn on PHYs */ |
| for (i = 0; i < NUM_MT7530_PHYS; i++) { |
| phy_val = mt7620_mii_read(priv, i, MII_BMCR); |
| phy_val &= ~BMCR_PDOWN; |
| mt7620_mii_write(priv, i, MII_BMCR, phy_val); |
| } |
| /* Restart auto-negotiation */ |
| for (i = 0; i < NUM_MT7530_PHYS; i++) |
| mt7620_phy_restart_an(priv, i); |
| } |
| |
| static void mt7620_gsw_init(struct mt7620_eth_priv *priv) |
| { |
| /* If port5 connects to MT7530 Giga-switch, reset it first */ |
| if (priv->port5_mt7530) |
| dm_gpio_set_value(&priv->gpio_swrst, 0); |
| |
| /* Set forward control */ |
| gsw_write(priv, GSW_MFC, FIELD_PREP(BC_FFP, 0x7f) | |
| FIELD_PREP(UNM_FFP, 0x7f) | FIELD_PREP(UNU_FFP, 0x7f) | |
| CPU_EN | FIELD_PREP(CPU_PORT, CPU_PORT_NUM)); |
| |
| /* Set GMAC mode (GMAC1 -> Port5, GMAC2 -> Port4) */ |
| mt7620_setup_gmac_mode(priv, 1, priv->port_cfg[1].mode); |
| mt7620_setup_gmac_mode(priv, 2, priv->port_cfg[0].mode); |
| |
| /* port_cfg[2] is CPU port */ |
| priv->port_cfg[2].force_mode = true; |
| priv->port_cfg[2].duplex = true; |
| priv->port_cfg[2].speed = FORCE_SPEED_1000; |
| |
| /* Configure GSW MAC port */ |
| mt7620_gsw_setup_port(priv, 4, &priv->port_cfg[0]); |
| mt7620_gsw_setup_port(priv, 5, &priv->port_cfg[1]); |
| mt7620_gsw_setup_port(priv, 6, &priv->port_cfg[2]); |
| |
| /* Isolate each port */ |
| mt7620_gsw_set_port_isolation(priv); |
| |
| /* Polling external phy if exists */ |
| mt7620_gsw_setup_phy_polling(priv); |
| |
| /* Configure ephy */ |
| mt7620_gsw_ephy_init(priv); |
| |
| /* If port5 connects to MT7530 Giga-switch, do initialization */ |
| if (priv->port5_mt7530) |
| mt7620_gsw_config_mt7530(priv); |
| } |
| |
| static void mt7620_eth_fifo_init(struct mt7620_eth_priv *priv) |
| { |
| uintptr_t pkt_base = (uintptr_t)priv->pkt_buf; |
| int i; |
| |
| memset(priv->tx_ring, 0, NUM_TX_DESC * sizeof(struct pdma_tx_desc)); |
| memset(priv->rx_ring, 0, NUM_RX_DESC * sizeof(struct pdma_rx_desc)); |
| memset(priv->pkt_buf, 0, (NUM_TX_DESC + NUM_RX_DESC) * PKTSIZE_ALIGN); |
| |
| priv->tx_ring_noc = (void *)CKSEG1ADDR((uintptr_t)priv->tx_ring); |
| priv->rx_ring_noc = (void *)CKSEG1ADDR((uintptr_t)priv->rx_ring); |
| priv->rx_dma_owner_idx0 = 0; |
| priv->tx_cpu_owner_idx0 = 0; |
| |
| for (i = 0; i < NUM_TX_DESC; i++) { |
| priv->tx_ring_noc[i].txd_info2.LS0 = 1; |
| priv->tx_ring_noc[i].txd_info2.DDONE = 1; |
| priv->tx_ring_noc[i].txd_info4.FP_BMAP = GDMA_DST_PORT_CPU; |
| priv->tx_ring_noc[i].txd_info1.SDP0 = CPHYSADDR(pkt_base); |
| pkt_base += PKTSIZE_ALIGN; |
| } |
| |
| for (i = 0; i < NUM_RX_DESC; i++) { |
| priv->rx_ring_noc[i].rxd_info2.PLEN0 = PKTSIZE_ALIGN; |
| priv->rx_ring_noc[i].rxd_info1.PDP0 = CPHYSADDR(pkt_base); |
| pkt_base += PKTSIZE_ALIGN; |
| } |
| |
| pdma_write(priv, TX_BASE_PTR0, CPHYSADDR(priv->tx_ring_noc)); |
| pdma_write(priv, TX_MAX_CNT0, NUM_TX_DESC); |
| pdma_write(priv, TX_CTX_IDX0, priv->tx_cpu_owner_idx0); |
| |
| pdma_write(priv, RX_BASE_PTR0, CPHYSADDR(priv->rx_ring_noc)); |
| pdma_write(priv, RX_MAX_CNT0, NUM_RX_DESC); |
| pdma_write(priv, RX_CALC_IDX0, NUM_RX_DESC - 1); |
| |
| pdma_write(priv, PDMA_RST_IDX, RST_DTX_IDX0 | RST_DRX_IDX0); |
| } |
| |
| static int mt7620_eth_start(struct udevice *dev) |
| { |
| struct mt7620_eth_priv *priv = dev_get_priv(dev); |
| |
| mt7620_eth_fifo_init(priv); |
| |
| gdma_rmw(priv, GDMA_FWD_CFG, GDMA_DST_PORT, |
| FIELD_PREP(GDMA_DST_PORT, GDMA_DST_PORT_CPU)); |
| |
| pdma_write(priv, PDMA_GLO_CFG, |
| FIELD_PREP(PDMA_BT_SIZE, PDMA_BT_SIZE_32B) | |
| TX_WB_DDONE | RX_DMA_EN | TX_DMA_EN); |
| udelay(500); |
| |
| return 0; |
| } |
| |
| static void mt7620_eth_stop(struct udevice *dev) |
| { |
| struct mt7620_eth_priv *priv = dev_get_priv(dev); |
| u32 val; |
| int ret; |
| |
| pdma_write(priv, PDMA_GLO_CFG, |
| FIELD_PREP(PDMA_BT_SIZE, PDMA_BT_SIZE_32B)); |
| udelay(500); |
| |
| ret = readl_poll_timeout(priv->fe_base + PDMA_BASE + PDMA_GLO_CFG, |
| val, !(val & (RX_DMA_BUSY | TX_DMA_BUSY)), |
| PDMA_TIMEOUT); |
| if (ret) |
| dev_warn(dev, "mt7620_eth: PDMA is still busy\n"); |
| } |
| |
| static int mt7620_eth_write_hwaddr(struct udevice *dev) |
| { |
| struct eth_pdata *pdata = dev_get_plat(dev); |
| struct mt7620_eth_priv *priv = dev_get_priv(dev); |
| unsigned char *mac = pdata->enetaddr; |
| u32 macaddr_lsb, macaddr_msb; |
| |
| macaddr_msb = ((u32)mac[0] << 8) | (u32)mac[1]; |
| macaddr_lsb = ((u32)mac[2] << 24) | ((u32)mac[3] << 16) | |
| ((u32)mac[4] << 8) | (u32)mac[5]; |
| |
| gdma_write(priv, GDMA_MAC_ADRH, macaddr_msb); |
| gdma_write(priv, GDMA_MAC_ADRL, macaddr_lsb); |
| |
| return 0; |
| } |
| |
| static int mt7620_eth_send(struct udevice *dev, void *packet, int length) |
| { |
| struct mt7620_eth_priv *priv = dev_get_priv(dev); |
| u32 idx = priv->tx_cpu_owner_idx0; |
| void *pkt_base; |
| |
| if (!priv->tx_ring_noc[idx].txd_info2.DDONE) { |
| printf("mt7620_eth: TX DMA descriptor ring is full\n"); |
| return -EPERM; |
| } |
| |
| pkt_base = (void *)CKSEG0ADDR(priv->tx_ring_noc[idx].txd_info1.SDP0); |
| memcpy(pkt_base, packet, length); |
| flush_dcache_range((ulong)pkt_base, (ulong)pkt_base + length); |
| |
| priv->tx_ring_noc[idx].txd_info2.SDL0 = length; |
| priv->tx_ring_noc[idx].txd_info2.DDONE = 0; |
| |
| priv->tx_cpu_owner_idx0 = (priv->tx_cpu_owner_idx0 + 1) % NUM_TX_DESC; |
| pdma_write(priv, TX_CTX_IDX0, priv->tx_cpu_owner_idx0); |
| |
| return 0; |
| } |
| |
| static int mt7620_eth_recv(struct udevice *dev, int flags, uchar **packetp) |
| { |
| struct mt7620_eth_priv *priv = dev_get_priv(dev); |
| u32 idx = priv->rx_dma_owner_idx0, length; |
| uchar *pkt_base; |
| |
| if (!priv->rx_ring_noc[idx].rxd_info2.DDONE) { |
| debug("mt7620_eth: RX DMA descriptor ring is empty\n"); |
| return -EAGAIN; |
| } |
| |
| length = priv->rx_ring_noc[idx].rxd_info2.PLEN0; |
| pkt_base = (void *)CKSEG0ADDR(priv->rx_ring_noc[idx].rxd_info1.PDP0); |
| invalidate_dcache_range((ulong)pkt_base, (ulong)pkt_base + length); |
| |
| if (packetp) |
| *packetp = pkt_base; |
| |
| return length; |
| } |
| |
| static int mt7620_eth_free_pkt(struct udevice *dev, uchar *packet, int length) |
| { |
| struct mt7620_eth_priv *priv = dev_get_priv(dev); |
| u32 idx = priv->rx_dma_owner_idx0; |
| |
| priv->rx_ring_noc[idx].rxd_info2.DDONE = 0; |
| priv->rx_ring_noc[idx].rxd_info2.LS0 = 0; |
| priv->rx_ring_noc[idx].rxd_info2.PLEN0 = PKTSIZE_ALIGN; |
| |
| pdma_write(priv, RX_CALC_IDX0, idx); |
| priv->rx_dma_owner_idx0 = (priv->rx_dma_owner_idx0 + 1) % NUM_RX_DESC; |
| |
| return 0; |
| } |
| |
| static const struct eth_ops mt7620_eth_ops = { |
| .start = mt7620_eth_start, |
| .stop = mt7620_eth_stop, |
| .send = mt7620_eth_send, |
| .recv = mt7620_eth_recv, |
| .free_pkt = mt7620_eth_free_pkt, |
| .write_hwaddr = mt7620_eth_write_hwaddr, |
| }; |
| |
| static int mt7620_eth_alloc_rings_pkts(struct mt7620_eth_priv *priv) |
| { |
| priv->tx_ring = memalign(ARCH_DMA_MINALIGN, |
| NUM_TX_DESC * sizeof(struct pdma_tx_desc)); |
| if (!priv->tx_ring) { |
| dev_err(priv->dev, "mt7620_eth: unable to alloc tx ring\n"); |
| return -ENOMEM; |
| } |
| |
| priv->rx_ring = memalign(ARCH_DMA_MINALIGN, |
| NUM_RX_DESC * sizeof(struct pdma_rx_desc)); |
| if (!priv->rx_ring) { |
| dev_err(priv->dev, "mt7620_eth: unable to alloc rx ring\n"); |
| goto cleanup; |
| } |
| |
| priv->pkt_buf = memalign(ARCH_DMA_MINALIGN, |
| (NUM_TX_DESC + NUM_RX_DESC) * PKTSIZE_ALIGN); |
| if (!priv->pkt_buf) { |
| dev_err(priv->dev, "mt7620_eth: unable to alloc pkt buffer\n"); |
| goto cleanup; |
| } |
| |
| return 0; |
| |
| cleanup: |
| if (priv->tx_ring) |
| free(priv->tx_ring); |
| |
| if (priv->rx_ring) |
| free(priv->rx_ring); |
| |
| return -ENOMEM; |
| } |
| |
| static void mt7620_eth_free_rings_pkts(struct mt7620_eth_priv *priv) |
| { |
| free(priv->tx_ring); |
| free(priv->rx_ring); |
| free(priv->pkt_buf); |
| } |
| |
| static int mt7620_eth_probe(struct udevice *dev) |
| { |
| struct mt7620_eth_priv *priv = dev_get_priv(dev); |
| u32 pcie_mode = MT7620_SYSC_PCIE_RC_MODE; |
| int ret; |
| |
| misc_ioctl(priv->sysc, MT7620_SYSC_IOCTL_SET_PCIE_MODE, &pcie_mode); |
| |
| clk_enable_bulk(&priv->clks); |
| |
| reset_assert_bulk(&priv->rsts); |
| udelay(100); |
| reset_deassert_bulk(&priv->rsts); |
| udelay(1000); |
| |
| ret = mt7620_eth_alloc_rings_pkts(priv); |
| if (ret) |
| return ret; |
| |
| ret = mt7620_mdio_register(dev); |
| if (ret) |
| dev_warn(dev, "mt7620_eth: failed to register MDIO bus\n"); |
| |
| mt7620_gsw_init(priv); |
| |
| return 0; |
| } |
| |
| static int mt7620_eth_remove(struct udevice *dev) |
| { |
| struct mt7620_eth_priv *priv = dev_get_priv(dev); |
| |
| mt7620_eth_stop(dev); |
| |
| mt7620_eth_free_rings_pkts(priv); |
| |
| return 0; |
| } |
| |
| static int mt7620_eth_parse_gsw_port(struct mt7620_eth_priv *priv, u32 idx, |
| ofnode node) |
| { |
| ofnode subnode; |
| int speed, ret; |
| u32 phy_addr; |
| |
| priv->port_cfg[idx].mode = ofnode_read_phy_mode(node); |
| |
| switch (priv->port_cfg[idx].mode) { |
| case PHY_INTERFACE_MODE_MII: |
| case PHY_INTERFACE_MODE_RMII: |
| case PHY_INTERFACE_MODE_RGMII: |
| case PHY_INTERFACE_MODE_NONE: |
| break; |
| default: |
| dev_err(priv->dev, "mt7620_eth: unsupported phy-mode\n"); |
| return -ENOTSUPP; |
| } |
| |
| subnode = ofnode_find_subnode(node, "fixed-link"); |
| if (ofnode_valid(subnode)) { |
| priv->port_cfg[idx].force_mode = 1; |
| priv->port_cfg[idx].duplex = ofnode_read_bool(subnode, |
| "full-duplex"); |
| speed = ofnode_read_u32_default(subnode, "speed", 0); |
| switch (speed) { |
| case SPEED_10: |
| priv->port_cfg[idx].speed = FORCE_SPEED_10; |
| break; |
| case SPEED_100: |
| priv->port_cfg[idx].speed = FORCE_SPEED_100; |
| break; |
| case SPEED_1000: |
| priv->port_cfg[idx].speed = FORCE_SPEED_1000; |
| break; |
| default: |
| dev_err(priv->dev, |
| "mt7620_eth: invalid speed for fixed-link\n"); |
| return -EINVAL; |
| } |
| |
| if (idx == 1 && ofnode_read_bool(subnode, "mediatek,mt7530")) { |
| priv->port5_mt7530 = true; |
| |
| ret = gpio_request_by_name_nodev(subnode, |
| "mediatek,mt7530-reset", 0, &priv->gpio_swrst, |
| GPIOD_IS_OUT); |
| if (ret) { |
| dev_err(priv->dev, |
| "mt7620_eth: missing mt7530 reset gpio\n"); |
| return ret; |
| } |
| } |
| } |
| |
| ret = ofnode_read_u32(node, "phy-addr", &phy_addr); |
| if (!ret) { |
| if (phy_addr > 31 || (idx == 0 && phy_addr < 3) || |
| (idx == 1 && phy_addr < 4)) { |
| dev_err(priv->dev, "mt7620_eth: invalid phy address\n"); |
| return -EINVAL; |
| } |
| |
| priv->port_cfg[idx].phy_addr = phy_addr; |
| } else { |
| priv->port_cfg[idx].phy_addr = -1; |
| } |
| |
| return 0; |
| } |
| |
| static int mt7620_eth_parse_gsw_cfg(struct udevice *dev) |
| { |
| struct mt7620_eth_priv *priv = dev_get_priv(dev); |
| ofnode subnode; |
| int ret; |
| |
| subnode = ofnode_find_subnode(dev_ofnode(dev), "port4"); |
| if (ofnode_valid(subnode)) { |
| ret = mt7620_eth_parse_gsw_port(priv, 0, subnode); |
| if (ret) |
| return ret; |
| } else { |
| priv->port_cfg[0].mode = PHY_INTERFACE_MODE_NONE; |
| } |
| |
| subnode = ofnode_find_subnode(dev_ofnode(dev), "port5"); |
| if (ofnode_valid(subnode)) |
| return mt7620_eth_parse_gsw_port(priv, 1, subnode); |
| |
| priv->port_cfg[1].mode = PHY_INTERFACE_MODE_NONE; |
| return 0; |
| } |
| |
| static int mt7620_eth_of_to_plat(struct udevice *dev) |
| { |
| struct eth_pdata *pdata = dev_get_plat(dev); |
| struct mt7620_eth_priv *priv = dev_get_priv(dev); |
| struct ofnode_phandle_args sysc_args; |
| int ret; |
| |
| pdata->iobase = dev_read_addr(dev); |
| |
| priv->dev = dev; |
| |
| ret = ofnode_parse_phandle_with_args(dev_ofnode(dev), "mediatek,sysc", NULL, |
| 0, 0, &sysc_args); |
| if (ret) { |
| dev_err(dev, "mt7620_eth: sysc property not found\n"); |
| return ret; |
| } |
| |
| ret = uclass_get_device_by_ofnode(UCLASS_MISC, sysc_args.node, |
| &priv->sysc); |
| if (ret) { |
| dev_err(dev, "mt7620_eth: failed to sysc device\n"); |
| return ret; |
| } |
| |
| priv->fe_base = dev_remap_addr_name(dev, "fe"); |
| if (!priv->fe_base) { |
| dev_err(dev, "mt7620_eth: failed to map fe registers\n"); |
| return -EINVAL; |
| } |
| |
| priv->gsw_base = dev_remap_addr_name(dev, "esw"); |
| if (!priv->gsw_base) { |
| dev_err(dev, "mt7620_eth: failed to map esw registers\n"); |
| return -EINVAL; |
| } |
| |
| ret = reset_get_bulk(dev, &priv->rsts); |
| if (ret) { |
| dev_err(dev, "mt7620_eth: failed to get resetctl\n"); |
| return ret; |
| } |
| |
| ret = clk_get_bulk(dev, &priv->clks); |
| if (ret) { |
| dev_err(dev, "mt7620_eth: failed to get clocks\n"); |
| return ret; |
| } |
| |
| return mt7620_eth_parse_gsw_cfg(dev); |
| } |
| |
| static const struct udevice_id mt7620_eth_ids[] = { |
| { .compatible = "mediatek,mt7620-eth" }, |
| {} |
| }; |
| |
| U_BOOT_DRIVER(mt7620_eth) = { |
| .name = "mt7620-eth", |
| .id = UCLASS_ETH, |
| .of_match = mt7620_eth_ids, |
| .of_to_plat = mt7620_eth_of_to_plat, |
| .plat_auto = sizeof(struct eth_pdata), |
| .probe = mt7620_eth_probe, |
| .remove = mt7620_eth_remove, |
| .ops = &mt7620_eth_ops, |
| .priv_auto = sizeof(struct mt7620_eth_priv), |
| }; |