/* * drivers/net/phy/marvell.c * * Driver for Marvell PHYs * * Author: Andy Fleming * * Copyright (c) 2004 Freescale Semiconductor, Inc. * * Copyright (c) 2013 Michael Stapelberg * * 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; either version 2 of the License, or (at your * option) any later version. * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define MII_MARVELL_PHY_PAGE 22 #define MII_M1011_IEVENT 0x13 #define MII_M1011_IEVENT_CLEAR 0x0000 #define MII_M1011_IMASK 0x12 #define MII_M1011_IMASK_INIT 0x6400 #define MII_M1011_IMASK_CLEAR 0x0000 #define MII_M1011_PHY_SCR 0x10 #define MII_M1011_PHY_SCR_MDI 0x0000 #define MII_M1011_PHY_SCR_MDI_X 0x0020 #define MII_M1011_PHY_SCR_AUTO_CROSS 0x0060 #define MII_M1145_PHY_EXT_ADDR_PAGE 0x16 #define MII_M1145_PHY_EXT_SR 0x1b #define MII_M1145_PHY_EXT_CR 0x14 #define MII_M1145_RGMII_RX_DELAY 0x0080 #define MII_M1145_RGMII_TX_DELAY 0x0002 #define MII_M1145_HWCFG_MODE_SGMII_NO_CLK 0x4 #define MII_M1145_HWCFG_MODE_MASK 0xf #define MII_M1145_HWCFG_FIBER_COPPER_AUTO 0x8000 #define MII_M1145_HWCFG_MODE_SGMII_NO_CLK 0x4 #define MII_M1145_HWCFG_MODE_MASK 0xf #define MII_M1145_HWCFG_FIBER_COPPER_AUTO 0x8000 #define MII_M1111_PHY_LED_CONTROL 0x18 #define MII_M1111_PHY_LED_DIRECT 0x4100 #define MII_M1111_PHY_LED_COMBINE 0x411c #define MII_M1111_PHY_EXT_CR 0x14 #define MII_M1111_RX_DELAY 0x80 #define MII_M1111_TX_DELAY 0x2 #define MII_M1111_PHY_EXT_SR 0x1b #define MII_M1111_HWCFG_MODE_MASK 0xf #define MII_M1111_HWCFG_MODE_COPPER_RGMII 0xb #define MII_M1111_HWCFG_MODE_FIBER_RGMII 0x3 #define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4 #define MII_M1111_HWCFG_MODE_COPPER_RTBI 0x9 #define MII_M1111_HWCFG_FIBER_COPPER_AUTO 0x8000 #define MII_M1111_HWCFG_FIBER_COPPER_RES 0x2000 #define MII_M1111_COPPER 0 #define MII_M1111_FIBER 1 #define MII_88E1121_PHY_MSCR_PAGE 2 #define MII_88E1121_PHY_MSCR_REG 21 #define MII_88E1121_PHY_MSCR_RX_DELAY BIT(5) #define MII_88E1121_PHY_MSCR_TX_DELAY BIT(4) #define MII_88E1121_PHY_MSCR_DELAY_MASK (~(0x3 << 4)) #define MII_88E1318S_PHY_MSCR1_REG 16 #define MII_88E1318S_PHY_MSCR1_PAD_ODD BIT(6) /* Copper Specific Interrupt Enable Register */ #define MII_88E1318S_PHY_CSIER 0x12 /* WOL Event Interrupt Enable */ #define MII_88E1318S_PHY_CSIER_WOL_EIE BIT(7) /* LED Timer Control Register */ #define MII_88E1318S_PHY_LED_PAGE 0x03 #define MII_88E1318S_PHY_LED_TCR 0x12 #define MII_88E1318S_PHY_LED_TCR_FORCE_INT BIT(15) #define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE BIT(7) #define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW BIT(11) /* Magic Packet MAC address registers */ #define MII_88E1318S_PHY_MAGIC_PACKET_WORD2 0x17 #define MII_88E1318S_PHY_MAGIC_PACKET_WORD1 0x18 #define MII_88E1318S_PHY_MAGIC_PACKET_WORD0 0x19 #define MII_88E1318S_PHY_WOL_PAGE 0x11 #define MII_88E1318S_PHY_WOL_CTRL 0x10 #define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS BIT(12) #define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE BIT(14) #define MII_88E1121_PHY_LED_CTRL 16 #define MII_88E1121_PHY_LED_PAGE 3 #define MII_88E1121_PHY_LED_DEF 0x0030 #define MII_M1011_PHY_STATUS 0x11 #define MII_M1011_PHY_STATUS_1000 0x8000 #define MII_M1011_PHY_STATUS_100 0x4000 #define MII_M1011_PHY_STATUS_SPD_MASK 0xc000 #define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000 #define MII_M1011_PHY_STATUS_RESOLVED 0x0800 #define MII_M1011_PHY_STATUS_LINK 0x0400 #define MII_M1116R_CONTROL_REG_MAC 21 #define MII_88E3016_PHY_SPEC_CTRL 0x10 #define MII_88E3016_DISABLE_SCRAMBLER 0x0200 #define MII_88E3016_AUTO_MDIX_CROSSOVER 0x0030 #define MII_88E1510_GEN_CTRL_REG_1 0x14 #define MII_88E1510_GEN_CTRL_REG_1_MODE_MASK 0x7 #define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII 0x1 /* SGMII to copper */ #define MII_88E1510_GEN_CTRL_REG_1_RESET 0x8000 /* Soft reset */ MODULE_DESCRIPTION("Marvell PHY driver"); MODULE_AUTHOR("Andy Fleming"); MODULE_LICENSE("GPL"); struct marvell_hw_stat { const char *string; u8 page; u8 reg; u8 bits; }; static struct marvell_hw_stat marvell_hw_stats[] = { { "phy_receive_errors", 0, 21, 16}, { "phy_idle_errors", 0, 10, 8 }, }; struct marvell_priv { u64 stats[ARRAY_SIZE(marvell_hw_stats)]; }; static int marvell_ack_interrupt(struct phy_device *phydev) { int err; /* Clear the interrupts by reading the reg */ err = phy_read(phydev, MII_M1011_IEVENT); if (err < 0) return err; return 0; } static int marvell_config_intr(struct phy_device *phydev) { int err; if (phydev->interrupts == PHY_INTERRUPT_ENABLED) err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT); else err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR); return err; } static int marvell_set_polarity(struct phy_device *phydev, int polarity) { int reg; int err; int val; /* get the current settings */ reg = phy_read(phydev, MII_M1011_PHY_SCR); if (reg < 0) return reg; val = reg; val &= ~MII_M1011_PHY_SCR_AUTO_CROSS; switch (polarity) { case ETH_TP_MDI: val |= MII_M1011_PHY_SCR_MDI; break; case ETH_TP_MDI_X: val |= MII_M1011_PHY_SCR_MDI_X; break; case ETH_TP_MDI_AUTO: case ETH_TP_MDI_INVALID: default: val |= MII_M1011_PHY_SCR_AUTO_CROSS; break; } if (val != reg) { /* Set the new polarity value in the register */ err = phy_write(phydev, MII_M1011_PHY_SCR, val); if (err) return err; } return 0; } static int marvell_config_aneg(struct phy_device *phydev) { int err; /* The Marvell PHY has an errata which requires * that certain registers get written in order * to restart autonegotiation */ err = phy_write(phydev, MII_BMCR, BMCR_RESET); if (err < 0) return err; err = phy_write(phydev, 0x1d, 0x1f); if (err < 0) return err; err = phy_write(phydev, 0x1e, 0x200c); if (err < 0) return err; err = phy_write(phydev, 0x1d, 0x5); if (err < 0) return err; err = phy_write(phydev, 0x1e, 0); if (err < 0) return err; err = phy_write(phydev, 0x1e, 0x100); if (err < 0) return err; err = marvell_set_polarity(phydev, phydev->mdix); if (err < 0) return err; err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL, MII_M1111_PHY_LED_DIRECT); if (err < 0) return err; err = genphy_config_aneg(phydev); if (err < 0) return err; if (phydev->autoneg != AUTONEG_ENABLE) { int bmcr; /* * A write to speed/duplex bits (that is performed by * genphy_config_aneg() call above) must be followed by * a software reset. Otherwise, the write has no effect. */ bmcr = phy_read(phydev, MII_BMCR); if (bmcr < 0) return bmcr; err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET); if (err < 0) return err; } return 0; } #ifdef CONFIG_OF_MDIO /* * Set and/or override some configuration registers based on the * marvell,reg-init property stored in the of_node for the phydev. * * marvell,reg-init = ,...; * * There may be one or more sets of : * * reg-page: which register bank to use. * reg: the register. * mask: if non-zero, ANDed with existing register value. * value: ORed with the masked value and written to the regiser. * */ static int marvell_of_reg_init(struct phy_device *phydev) { const __be32 *paddr; int len, i, saved_page, current_page, page_changed, ret; if (!phydev->mdio.dev.of_node) return 0; paddr = of_get_property(phydev->mdio.dev.of_node, "marvell,reg-init", &len); if (!paddr || len < (4 * sizeof(*paddr))) return 0; saved_page = phy_read(phydev, MII_MARVELL_PHY_PAGE); if (saved_page < 0) return saved_page; page_changed = 0; current_page = saved_page; ret = 0; len /= sizeof(*paddr); for (i = 0; i < len - 3; i += 4) { u16 reg_page = be32_to_cpup(paddr + i); u16 reg = be32_to_cpup(paddr + i + 1); u16 mask = be32_to_cpup(paddr + i + 2); u16 val_bits = be32_to_cpup(paddr + i + 3); int val; if (reg_page != current_page) { current_page = reg_page; page_changed = 1; ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, reg_page); if (ret < 0) goto err; } val = 0; if (mask) { val = phy_read(phydev, reg); if (val < 0) { ret = val; goto err; } val &= mask; } val |= val_bits; ret = phy_write(phydev, reg, val); if (ret < 0) goto err; } err: if (page_changed) { i = phy_write(phydev, MII_MARVELL_PHY_PAGE, saved_page); if (ret == 0) ret = i; } return ret; } #else static int marvell_of_reg_init(struct phy_device *phydev) { return 0; } #endif /* CONFIG_OF_MDIO */ static int m88e1121_config_aneg(struct phy_device *phydev) { int err, oldpage, mscr; oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE); err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_MSCR_PAGE); if (err < 0) return err; if (phy_interface_is_rgmii(phydev)) { mscr = phy_read(phydev, MII_88E1121_PHY_MSCR_REG) & MII_88E1121_PHY_MSCR_DELAY_MASK; if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) mscr |= (MII_88E1121_PHY_MSCR_RX_DELAY | MII_88E1121_PHY_MSCR_TX_DELAY); else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) mscr |= MII_88E1121_PHY_MSCR_RX_DELAY; else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) mscr |= MII_88E1121_PHY_MSCR_TX_DELAY; err = phy_write(phydev, MII_88E1121_PHY_MSCR_REG, mscr); if (err < 0) return err; } phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage); err = phy_write(phydev, MII_BMCR, BMCR_RESET); if (err < 0) return err; err = phy_write(phydev, MII_M1011_PHY_SCR, MII_M1011_PHY_SCR_AUTO_CROSS); if (err < 0) return err; oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE); phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_LED_PAGE); phy_write(phydev, MII_88E1121_PHY_LED_CTRL, MII_88E1121_PHY_LED_DEF); phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage); err = genphy_config_aneg(phydev); return err; } static int m88e1318_config_aneg(struct phy_device *phydev) { int err, oldpage, mscr; oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE); err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_MSCR_PAGE); if (err < 0) return err; mscr = phy_read(phydev, MII_88E1318S_PHY_MSCR1_REG); mscr |= MII_88E1318S_PHY_MSCR1_PAD_ODD; err = phy_write(phydev, MII_88E1318S_PHY_MSCR1_REG, mscr); if (err < 0) return err; err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage); if (err < 0) return err; return m88e1121_config_aneg(phydev); } static int m88e1510_config_init(struct phy_device *phydev) { int err; int temp; /* SGMII-to-Copper mode initialization */ if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { /* Select page 18 */ err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 18); if (err < 0) return err; /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */ temp = phy_read(phydev, MII_88E1510_GEN_CTRL_REG_1); temp &= ~MII_88E1510_GEN_CTRL_REG_1_MODE_MASK; temp |= MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII; err = phy_write(phydev, MII_88E1510_GEN_CTRL_REG_1, temp); if (err < 0) return err; /* PHY reset is necessary after changing MODE[2:0] */ temp |= MII_88E1510_GEN_CTRL_REG_1_RESET; err = phy_write(phydev, MII_88E1510_GEN_CTRL_REG_1, temp); if (err < 0) return err; /* Reset page selection */ err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0); if (err < 0) return err; } return 0; } static int m88e1510_config_aneg(struct phy_device *phydev) { int err; err = m88e1318_config_aneg(phydev); if (err < 0) return err; return marvell_of_reg_init(phydev); } static int m88e1116r_config_init(struct phy_device *phydev) { int temp; int err; temp = phy_read(phydev, MII_BMCR); temp |= BMCR_RESET; err = phy_write(phydev, MII_BMCR, temp); if (err < 0) return err; mdelay(500); err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0); if (err < 0) return err; temp = phy_read(phydev, MII_M1011_PHY_SCR); temp |= (7 << 12); /* max number of gigabit attempts */ temp |= (1 << 11); /* enable downshift */ temp |= MII_M1011_PHY_SCR_AUTO_CROSS; err = phy_write(phydev, MII_M1011_PHY_SCR, temp); if (err < 0) return err; err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 2); if (err < 0) return err; temp = phy_read(phydev, MII_M1116R_CONTROL_REG_MAC); temp |= (1 << 5); temp |= (1 << 4); err = phy_write(phydev, MII_M1116R_CONTROL_REG_MAC, temp); if (err < 0) return err; err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0); if (err < 0) return err; temp = phy_read(phydev, MII_BMCR); temp |= BMCR_RESET; err = phy_write(phydev, MII_BMCR, temp); if (err < 0) return err; mdelay(500); return 0; } static int m88e3016_config_init(struct phy_device *phydev) { int reg; /* Enable Scrambler and Auto-Crossover */ reg = phy_read(phydev, MII_88E3016_PHY_SPEC_CTRL); if (reg < 0) return reg; reg &= ~MII_88E3016_DISABLE_SCRAMBLER; reg |= MII_88E3016_AUTO_MDIX_CROSSOVER; reg = phy_write(phydev, MII_88E3016_PHY_SPEC_CTRL, reg); if (reg < 0) return reg; return 0; } static int m88e1111_config_init(struct phy_device *phydev) { int err; int temp; if (phy_interface_is_rgmii(phydev)) { temp = phy_read(phydev, MII_M1111_PHY_EXT_CR); if (temp < 0) return temp; if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) { temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY); } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) { temp &= ~MII_M1111_TX_DELAY; temp |= MII_M1111_RX_DELAY; } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) { temp &= ~MII_M1111_RX_DELAY; temp |= MII_M1111_TX_DELAY; } err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp); if (err < 0) return err; temp = phy_read(phydev, MII_M1111_PHY_EXT_SR); if (temp < 0) return temp; temp &= ~(MII_M1111_HWCFG_MODE_MASK); if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES) temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII; else temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII; err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp); if (err < 0) return err; } if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { temp = phy_read(phydev, MII_M1111_PHY_EXT_SR); if (temp < 0) return temp; temp &= ~(MII_M1111_HWCFG_MODE_MASK); temp |= MII_M1111_HWCFG_MODE_SGMII_NO_CLK; temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO; err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp); if (err < 0) return err; /* make sure copper is selected */ err = phy_read(phydev, MII_M1145_PHY_EXT_ADDR_PAGE); if (err < 0) return err; err = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, err & (~0xff)); if (err < 0) return err; } if (phydev->interface == PHY_INTERFACE_MODE_RTBI) { temp = phy_read(phydev, MII_M1111_PHY_EXT_CR); if (temp < 0) return temp; temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY); err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp); if (err < 0) return err; temp = phy_read(phydev, MII_M1111_PHY_EXT_SR); if (temp < 0) return temp; temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES); temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO; err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp); if (err < 0) return err; /* soft reset */ err = phy_write(phydev, MII_BMCR, BMCR_RESET); if (err < 0) return err; do temp = phy_read(phydev, MII_BMCR); while (temp & BMCR_RESET); temp = phy_read(phydev, MII_M1111_PHY_EXT_SR); if (temp < 0) return temp; temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES); temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO; err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp); if (err < 0) return err; } err = marvell_of_reg_init(phydev); if (err < 0) return err; return phy_write(phydev, MII_BMCR, BMCR_RESET); } static int m88e1118_config_aneg(struct phy_device *phydev) { int err; err = phy_write(phydev, MII_BMCR, BMCR_RESET); if (err < 0) return err; err = phy_write(phydev, MII_M1011_PHY_SCR, MII_M1011_PHY_SCR_AUTO_CROSS); if (err < 0) return err; err = genphy_config_aneg(phydev); return 0; } static int m88e1118_config_init(struct phy_device *phydev) { int err; /* Change address */ err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002); if (err < 0) return err; /* Enable 1000 Mbit */ err = phy_write(phydev, 0x15, 0x1070); if (err < 0) return err; /* Change address */ err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0003); if (err < 0) return err; /* Adjust LED Control */ if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS) err = phy_write(phydev, 0x10, 0x1100); else err = phy_write(phydev, 0x10, 0x021e); if (err < 0) return err; err = marvell_of_reg_init(phydev); if (err < 0) return err; /* Reset address */ err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0); if (err < 0) return err; return phy_write(phydev, MII_BMCR, BMCR_RESET); } static int m88e1149_config_init(struct phy_device *phydev) { int err; /* Change address */ err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002); if (err < 0) return err; /* Enable 1000 Mbit */ err = phy_write(phydev, 0x15, 0x1048); if (err < 0) return err; err = marvell_of_reg_init(phydev); if (err < 0) return err; /* Reset address */ err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0); if (err < 0) return err; return phy_write(phydev, MII_BMCR, BMCR_RESET); } static int m88e1145_config_init(struct phy_device *phydev) { int err; int temp; /* Take care of errata E0 & E1 */ err = phy_write(phydev, 0x1d, 0x001b); if (err < 0) return err; err = phy_write(phydev, 0x1e, 0x418f); if (err < 0) return err; err = phy_write(phydev, 0x1d, 0x0016); if (err < 0) return err; err = phy_write(phydev, 0x1e, 0xa2da); if (err < 0) return err; if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) { int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR); if (temp < 0) return temp; temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY); err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp); if (err < 0) return err; if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) { err = phy_write(phydev, 0x1d, 0x0012); if (err < 0) return err; temp = phy_read(phydev, 0x1e); if (temp < 0) return temp; temp &= 0xf03f; temp |= 2 << 9; /* 36 ohm */ temp |= 2 << 6; /* 39 ohm */ err = phy_write(phydev, 0x1e, temp); if (err < 0) return err; err = phy_write(phydev, 0x1d, 0x3); if (err < 0) return err; err = phy_write(phydev, 0x1e, 0x8000); if (err < 0) return err; } } if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { temp = phy_read(phydev, MII_M1145_PHY_EXT_SR); if (temp < 0) return temp; temp &= ~MII_M1145_HWCFG_MODE_MASK; temp |= MII_M1145_HWCFG_MODE_SGMII_NO_CLK; temp |= MII_M1145_HWCFG_FIBER_COPPER_AUTO; err = phy_write(phydev, MII_M1145_PHY_EXT_SR, temp); if (err < 0) return err; } err = marvell_of_reg_init(phydev); if (err < 0) return err; return 0; } /* marvell_read_status * * Generic status code does not detect Fiber correctly! * Description: * Check the link, then figure out the current state * by comparing what we advertise with what the link partner * advertises. Start by checking the gigabit possibilities, * then move on to 10/100. */ static int marvell_read_status(struct phy_device *phydev) { int adv; int err; int lpa; int lpagb; int status = 0; /* Update the link, but return if there * was an error */ err = genphy_update_link(phydev); if (err) return err; if (AUTONEG_ENABLE == phydev->autoneg) { status = phy_read(phydev, MII_M1011_PHY_STATUS); if (status < 0) return status; lpa = phy_read(phydev, MII_LPA); if (lpa < 0) return lpa; lpagb = phy_read(phydev, MII_STAT1000); if (lpagb < 0) return lpagb; adv = phy_read(phydev, MII_ADVERTISE); if (adv < 0) return adv; phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb) | mii_lpa_to_ethtool_lpa_t(lpa); lpa &= adv; if (status & MII_M1011_PHY_STATUS_FULLDUPLEX) phydev->duplex = DUPLEX_FULL; else phydev->duplex = DUPLEX_HALF; status = status & MII_M1011_PHY_STATUS_SPD_MASK; phydev->pause = phydev->asym_pause = 0; switch (status) { case MII_M1011_PHY_STATUS_1000: phydev->speed = SPEED_1000; break; case MII_M1011_PHY_STATUS_100: phydev->speed = SPEED_100; break; default: phydev->speed = SPEED_10; break; } if (phydev->duplex == DUPLEX_FULL) { phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0; phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0; } } else { int bmcr = phy_read(phydev, MII_BMCR); if (bmcr < 0) return bmcr; if (bmcr & BMCR_FULLDPLX) phydev->duplex = DUPLEX_FULL; else phydev->duplex = DUPLEX_HALF; if (bmcr & BMCR_SPEED1000) phydev->speed = SPEED_1000; else if (bmcr & BMCR_SPEED100) phydev->speed = SPEED_100; else phydev->speed = SPEED_10; phydev->pause = phydev->asym_pause = 0; phydev->lp_advertising = 0; } return 0; } static int marvell_aneg_done(struct phy_device *phydev) { int retval = phy_read(phydev, MII_M1011_PHY_STATUS); return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED); } static int m88e1121_did_interrupt(struct phy_device *phydev) { int imask; imask = phy_read(phydev, MII_M1011_IEVENT); if (imask & MII_M1011_IMASK_INIT) return 1; return 0; } static void m88e1318_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol) { wol->supported = WAKE_MAGIC; wol->wolopts = 0; if (phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1318S_PHY_WOL_PAGE) < 0) return; if (phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL) & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE) wol->wolopts |= WAKE_MAGIC; if (phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00) < 0) return; } static int m88e1318_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol) { int err, oldpage, temp; oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE); if (wol->wolopts & WAKE_MAGIC) { /* Explicitly switch to page 0x00, just to be sure */ err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00); if (err < 0) return err; /* Enable the WOL interrupt */ temp = phy_read(phydev, MII_88E1318S_PHY_CSIER); temp |= MII_88E1318S_PHY_CSIER_WOL_EIE; err = phy_write(phydev, MII_88E1318S_PHY_CSIER, temp); if (err < 0) return err; err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1318S_PHY_LED_PAGE); if (err < 0) return err; /* Setup LED[2] as interrupt pin (active low) */ temp = phy_read(phydev, MII_88E1318S_PHY_LED_TCR); temp &= ~MII_88E1318S_PHY_LED_TCR_FORCE_INT; temp |= MII_88E1318S_PHY_LED_TCR_INTn_ENABLE; temp |= MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW; err = phy_write(phydev, MII_88E1318S_PHY_LED_TCR, temp); if (err < 0) return err; err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1318S_PHY_WOL_PAGE); if (err < 0) return err; /* Store the device address for the magic packet */ err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2, ((phydev->attached_dev->dev_addr[5] << 8) | phydev->attached_dev->dev_addr[4])); if (err < 0) return err; err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1, ((phydev->attached_dev->dev_addr[3] << 8) | phydev->attached_dev->dev_addr[2])); if (err < 0) return err; err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0, ((phydev->attached_dev->dev_addr[1] << 8) | phydev->attached_dev->dev_addr[0])); if (err < 0) return err; /* Clear WOL status and enable magic packet matching */ temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL); temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS; temp |= MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE; err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp); if (err < 0) return err; } else { err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1318S_PHY_WOL_PAGE); if (err < 0) return err; /* Clear WOL status and disable magic packet matching */ temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL); temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS; temp &= ~MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE; err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp); if (err < 0) return err; } err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage); if (err < 0) return err; return 0; } static int marvell_get_sset_count(struct phy_device *phydev) { return ARRAY_SIZE(marvell_hw_stats); } static void marvell_get_strings(struct phy_device *phydev, u8 *data) { int i; for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) { memcpy(data + i * ETH_GSTRING_LEN, marvell_hw_stats[i].string, ETH_GSTRING_LEN); } } #ifndef UINT64_MAX #define UINT64_MAX (u64)(~((u64)0)) #endif static u64 marvell_get_stat(struct phy_device *phydev, int i) { struct marvell_hw_stat stat = marvell_hw_stats[i]; struct marvell_priv *priv = phydev->priv; int err, oldpage; u64 val; oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE); err = phy_write(phydev, MII_MARVELL_PHY_PAGE, stat.page); if (err < 0) return UINT64_MAX; val = phy_read(phydev, stat.reg); if (val < 0) { val = UINT64_MAX; } else { val = val & ((1 << stat.bits) - 1); priv->stats[i] += val; val = priv->stats[i]; } phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage); return val; } static void marvell_get_stats(struct phy_device *phydev, struct ethtool_stats *stats, u64 *data) { int i; for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) data[i] = marvell_get_stat(phydev, i); } static int marvell_probe(struct phy_device *phydev) { struct marvell_priv *priv; priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; phydev->priv = priv; return 0; } static struct phy_driver marvell_drivers[] = { { .phy_id = MARVELL_PHY_ID_88E1101, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1101", .features = PHY_GBIT_FEATURES, .probe = marvell_probe, .flags = PHY_HAS_INTERRUPT, .config_aneg = &marvell_config_aneg, .read_status = &genphy_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, .resume = &genphy_resume, .suspend = &genphy_suspend, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1112, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1112", .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, .config_init = &m88e1111_config_init, .config_aneg = &marvell_config_aneg, .read_status = &genphy_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, .resume = &genphy_resume, .suspend = &genphy_suspend, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1111, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1111", .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, .config_init = &m88e1111_config_init, .config_aneg = &marvell_config_aneg, .read_status = &marvell_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, .resume = &genphy_resume, .suspend = &genphy_suspend, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1118, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1118", .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, .config_init = &m88e1118_config_init, .config_aneg = &m88e1118_config_aneg, .read_status = &genphy_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, .resume = &genphy_resume, .suspend = &genphy_suspend, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1121R, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1121R", .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, .config_aneg = &m88e1121_config_aneg, .read_status = &marvell_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, .did_interrupt = &m88e1121_did_interrupt, .resume = &genphy_resume, .suspend = &genphy_suspend, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1318S, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1318S", .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, .config_aneg = &m88e1318_config_aneg, .read_status = &marvell_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, .did_interrupt = &m88e1121_did_interrupt, .get_wol = &m88e1318_get_wol, .set_wol = &m88e1318_set_wol, .resume = &genphy_resume, .suspend = &genphy_suspend, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1145, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1145", .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, .config_init = &m88e1145_config_init, .config_aneg = &marvell_config_aneg, .read_status = &genphy_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, .resume = &genphy_resume, .suspend = &genphy_suspend, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1149R, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1149R", .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, .config_init = &m88e1149_config_init, .config_aneg = &m88e1118_config_aneg, .read_status = &genphy_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, .resume = &genphy_resume, .suspend = &genphy_suspend, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1240, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1240", .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, .config_init = &m88e1111_config_init, .config_aneg = &marvell_config_aneg, .read_status = &genphy_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, .resume = &genphy_resume, .suspend = &genphy_suspend, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1116R, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1116R", .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, .config_init = &m88e1116r_config_init, .config_aneg = &genphy_config_aneg, .read_status = &genphy_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, .resume = &genphy_resume, .suspend = &genphy_suspend, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1510, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1510", .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, .config_init = &m88e1510_config_init, .config_aneg = &m88e1510_config_aneg, .read_status = &marvell_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, .did_interrupt = &m88e1121_did_interrupt, .resume = &genphy_resume, .suspend = &genphy_suspend, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1540, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1540", .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, .config_aneg = &m88e1510_config_aneg, .read_status = &marvell_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, .did_interrupt = &m88e1121_did_interrupt, .resume = &genphy_resume, .suspend = &genphy_suspend, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E3016, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E3016", .features = PHY_BASIC_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, .config_aneg = &genphy_config_aneg, .config_init = &m88e3016_config_init, .aneg_done = &marvell_aneg_done, .read_status = &marvell_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, .did_interrupt = &m88e1121_did_interrupt, .resume = &genphy_resume, .suspend = &genphy_suspend, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, }; module_phy_driver(marvell_drivers); static struct mdio_device_id __maybe_unused marvell_tbl[] = { { MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK }, { } }; MODULE_DEVICE_TABLE(mdio, marvell_tbl);