diff options
Diffstat (limited to 'drivers/net/sungem_phy.c')
| -rw-r--r-- | drivers/net/sungem_phy.c | 872 |
1 files changed, 872 insertions, 0 deletions
diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c new file mode 100644 index 000000000000..0fca414d3657 --- /dev/null +++ b/drivers/net/sungem_phy.c @@ -0,0 +1,872 @@ +/* + * PHY drivers for the sungem ethernet driver. + * + * This file could be shared with other drivers. + * + * (c) 2002, Benjamin Herrenscmidt (benh@kernel.crashing.org) + * + * TODO: + * - Implement WOL + * - Add support for PHYs that provide an IRQ line + * - Eventually moved the entire polling state machine in + * there (out of the eth driver), so that it can easily be + * skipped on PHYs that implement it in hardware. + * - On LXT971 & BCM5201, Apple uses some chip specific regs + * to read the link status. Figure out why and if it makes + * sense to do the same (magic aneg ?) + * - Apple has some additional power management code for some + * Broadcom PHYs that they "hide" from the OpenSource version + * of darwin, still need to reverse engineer that + */ + +#include <linux/config.h> + +#include <linux/module.h> + +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/types.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/delay.h> + +#include "sungem_phy.h" + +/* Link modes of the BCM5400 PHY */ +static int phy_BCM5400_link_table[8][3] = { + { 0, 0, 0 }, /* No link */ + { 0, 0, 0 }, /* 10BT Half Duplex */ + { 1, 0, 0 }, /* 10BT Full Duplex */ + { 0, 1, 0 }, /* 100BT Half Duplex */ + { 0, 1, 0 }, /* 100BT Half Duplex */ + { 1, 1, 0 }, /* 100BT Full Duplex*/ + { 1, 0, 1 }, /* 1000BT */ + { 1, 0, 1 }, /* 1000BT */ +}; + +static inline int __phy_read(struct mii_phy* phy, int id, int reg) +{ + return phy->mdio_read(phy->dev, id, reg); +} + +static inline void __phy_write(struct mii_phy* phy, int id, int reg, int val) +{ + phy->mdio_write(phy->dev, id, reg, val); +} + +static inline int phy_read(struct mii_phy* phy, int reg) +{ + return phy->mdio_read(phy->dev, phy->mii_id, reg); +} + +static inline void phy_write(struct mii_phy* phy, int reg, int val) +{ + phy->mdio_write(phy->dev, phy->mii_id, reg, val); +} + +static int reset_one_mii_phy(struct mii_phy* phy, int phy_id) +{ + u16 val; + int limit = 10000; + + val = __phy_read(phy, phy_id, MII_BMCR); + val &= ~(BMCR_ISOLATE | BMCR_PDOWN); + val |= BMCR_RESET; + __phy_write(phy, phy_id, MII_BMCR, val); + + udelay(100); + + while (limit--) { + val = __phy_read(phy, phy_id, MII_BMCR); + if ((val & BMCR_RESET) == 0) + break; + udelay(10); + } + if ((val & BMCR_ISOLATE) && limit > 0) + __phy_write(phy, phy_id, MII_BMCR, val & ~BMCR_ISOLATE); + + return (limit <= 0); +} + +static int bcm5201_init(struct mii_phy* phy) +{ + u16 data; + + data = phy_read(phy, MII_BCM5201_MULTIPHY); + data &= ~MII_BCM5201_MULTIPHY_SUPERISOLATE; + phy_write(phy, MII_BCM5201_MULTIPHY, data); + + phy_write(phy, MII_BCM5201_INTERRUPT, 0); + + return 0; +} + +static int bcm5201_suspend(struct mii_phy* phy) +{ + phy_write(phy, MII_BCM5201_INTERRUPT, 0); + phy_write(phy, MII_BCM5201_MULTIPHY, MII_BCM5201_MULTIPHY_SUPERISOLATE); + + return 0; +} + +static int bcm5221_init(struct mii_phy* phy) +{ + u16 data; + + data = phy_read(phy, MII_BCM5221_TEST); + phy_write(phy, MII_BCM5221_TEST, + data | MII_BCM5221_TEST_ENABLE_SHADOWS); + + data = phy_read(phy, MII_BCM5221_SHDOW_AUX_STAT2); + phy_write(phy, MII_BCM5221_SHDOW_AUX_STAT2, + data | MII_BCM5221_SHDOW_AUX_STAT2_APD); + + data = phy_read(phy, MII_BCM5221_SHDOW_AUX_MODE4); + phy_write(phy, MII_BCM5221_SHDOW_AUX_MODE4, + data | MII_BCM5221_SHDOW_AUX_MODE4_CLKLOPWR); + + data = phy_read(phy, MII_BCM5221_TEST); + phy_write(phy, MII_BCM5221_TEST, + data & ~MII_BCM5221_TEST_ENABLE_SHADOWS); + + return 0; +} + +static int bcm5221_suspend(struct mii_phy* phy) +{ + u16 data; + + data = phy_read(phy, MII_BCM5221_TEST); + phy_write(phy, MII_BCM5221_TEST, + data | MII_BCM5221_TEST_ENABLE_SHADOWS); + + data = phy_read(phy, MII_BCM5221_SHDOW_AUX_MODE4); + phy_write(phy, MII_BCM5221_SHDOW_AUX_MODE4, + data | MII_BCM5221_SHDOW_AUX_MODE4_IDDQMODE); + + return 0; +} + +static int bcm5400_init(struct mii_phy* phy) +{ + u16 data; + + /* Configure for gigabit full duplex */ + data = phy_read(phy, MII_BCM5400_AUXCONTROL); + data |= MII_BCM5400_AUXCONTROL_PWR10BASET; + phy_write(phy, MII_BCM5400_AUXCONTROL, data); + + data = phy_read(phy, MII_BCM5400_GB_CONTROL); + data |= MII_BCM5400_GB_CONTROL_FULLDUPLEXCAP; + phy_write(phy, MII_BCM5400_GB_CONTROL, data); + + udelay(100); + + /* Reset and configure cascaded 10/100 PHY */ + (void)reset_one_mii_phy(phy, 0x1f); + + data = __phy_read(phy, 0x1f, MII_BCM5201_MULTIPHY); + data |= MII_BCM5201_MULTIPHY_SERIALMODE; + __phy_write(phy, 0x1f, MII_BCM5201_MULTIPHY, data); + + data = phy_read(phy, MII_BCM5400_AUXCONTROL); + data &= ~MII_BCM5400_AUXCONTROL_PWR10BASET; + phy_write(phy, MII_BCM5400_AUXCONTROL, data); + + return 0; +} + +static int bcm5400_suspend(struct mii_phy* phy) +{ +#if 0 /* Commented out in Darwin... someone has those dawn docs ? */ + phy_write(phy, MII_BMCR, BMCR_PDOWN); +#endif + return 0; +} + +static int bcm5401_init(struct mii_phy* phy) +{ + u16 data; + int rev; + + rev = phy_read(phy, MII_PHYSID2) & 0x000f; + if (rev == 0 || rev == 3) { + /* Some revisions of 5401 appear to need this + * initialisation sequence to disable, according + * to OF, "tap power management" + * + * WARNING ! OF and Darwin don't agree on the + * register addresses. OF seem to interpret the + * register numbers below as decimal + * + * Note: This should (and does) match tg3_init_5401phy_dsp + * in the tg3.c driver. -DaveM + */ + phy_write(phy, 0x18, 0x0c20); + phy_write(phy, 0x17, 0x0012); + phy_write(phy, 0x15, 0x1804); + phy_write(phy, 0x17, 0x0013); + phy_write(phy, 0x15, 0x1204); + phy_write(phy, 0x17, 0x8006); + phy_write(phy, 0x15, 0x0132); + phy_write(phy, 0x17, 0x8006); + phy_write(phy, 0x15, 0x0232); + phy_write(phy, 0x17, 0x201f); + phy_write(phy, 0x15, 0x0a20); + } + + /* Configure for gigabit full duplex */ + data = phy_read(phy, MII_BCM5400_GB_CONTROL); + data |= MII_BCM5400_GB_CONTROL_FULLDUPLEXCAP; + phy_write(phy, MII_BCM5400_GB_CONTROL, data); + + udelay(10); + + /* Reset and configure cascaded 10/100 PHY */ + (void)reset_one_mii_phy(phy, 0x1f); + + data = __phy_read(phy, 0x1f, MII_BCM5201_MULTIPHY); + data |= MII_BCM5201_MULTIPHY_SERIALMODE; + __phy_write(phy, 0x1f, MII_BCM5201_MULTIPHY, data); + + return 0; +} + +static int bcm5401_suspend(struct mii_phy* phy) +{ +#if 0 /* Commented out in Darwin... someone has those dawn docs ? */ + phy_write(phy, MII_BMCR, BMCR_PDOWN); +#endif + return 0; +} + +static int bcm5411_init(struct mii_phy* phy) +{ + u16 data; + + /* Here's some more Apple black magic to setup + * some voltage stuffs. + */ + phy_write(phy, 0x1c, 0x8c23); + phy_write(phy, 0x1c, 0x8ca3); + phy_write(phy, 0x1c, 0x8c23); + + /* Here, Apple seems to want to reset it, do + * it as well + */ + phy_write(phy, MII_BMCR, BMCR_RESET); + phy_write(phy, MII_BMCR, 0x1340); + + data = phy_read(phy, MII_BCM5400_GB_CONTROL); + data |= MII_BCM5400_GB_CONTROL_FULLDUPLEXCAP; + phy_write(phy, MII_BCM5400_GB_CONTROL, data); + + udelay(10); + + /* Reset and configure cascaded 10/100 PHY */ + (void)reset_one_mii_phy(phy, 0x1f); + + return 0; +} + +static int bcm5411_suspend(struct mii_phy* phy) +{ + phy_write(phy, MII_BMCR, BMCR_PDOWN); + + return 0; +} + +static int bcm5421_init(struct mii_phy* phy) +{ + u16 data; + int rev; + + rev = phy_read(phy, MII_PHYSID2) & 0x000f; + if (rev == 0) { + /* This is borrowed from MacOS + */ + phy_write(phy, 0x18, 0x1007); + data = phy_read(phy, 0x18); + phy_write(phy, 0x18, data | 0x0400); + phy_write(phy, 0x18, 0x0007); + data = phy_read(phy, 0x18); + phy_write(phy, 0x18, data | 0x0800); + phy_write(phy, 0x17, 0x000a); + data = phy_read(phy, 0x15); + phy_write(phy, 0x15, data | 0x0200); + } +#if 0 + /* This has to be verified before I enable it */ + /* Enable automatic low-power */ + phy_write(phy, 0x1c, 0x9002); + phy_write(phy, 0x1c, 0xa821); + phy_write(phy, 0x1c, 0x941d); +#endif + return 0; +} + +static int bcm5421k2_init(struct mii_phy* phy) +{ + /* Init code borrowed from OF */ + phy_write(phy, 4, 0x01e1); + phy_write(phy, 9, 0x0300); + + return 0; +} + +static int bcm54xx_setup_aneg(struct mii_phy *phy, u32 advertise) +{ + u16 ctl, adv; + + phy->autoneg = 1; + phy->speed = SPEED_10; + phy->duplex = DUPLEX_HALF; + phy->pause = 0; + phy->advertising = advertise; + + /* Setup standard advertise */ + adv = phy_read(phy, MII_ADVERTISE); + adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4); + if (advertise & ADVERTISED_10baseT_Half) + adv |= ADVERTISE_10HALF; + if (advertise & ADVERTISED_10baseT_Full) + adv |= ADVERTISE_10FULL; + if (advertise & ADVERTISED_100baseT_Half) + adv |= ADVERTISE_100HALF; + if (advertise & ADVERTISED_100baseT_Full) + adv |= ADVERTISE_100FULL; + phy_write(phy, MII_ADVERTISE, adv); + + /* Setup 1000BT advertise */ + adv = phy_read(phy, MII_1000BASETCONTROL); + adv &= ~(MII_1000BASETCONTROL_FULLDUPLEXCAP|MII_1000BASETCONTROL_HALFDUPLEXCAP); + if (advertise & SUPPORTED_1000baseT_Half) + adv |= MII_1000BASETCONTROL_HALFDUPLEXCAP; + if (advertise & SUPPORTED_1000baseT_Full) + adv |= MII_1000BASETCONTROL_FULLDUPLEXCAP; + phy_write(phy, MII_1000BASETCONTROL, adv); + + /* Start/Restart aneg */ + ctl = phy_read(phy, MII_BMCR); + ctl |= (BMCR_ANENABLE | BMCR_ANRESTART); + phy_write(phy, MII_BMCR, ctl); + + return 0; +} + +static int bcm54xx_setup_forced(struct mii_phy *phy, int speed, int fd) +{ + u16 ctl; + + phy->autoneg = 0; + phy->speed = speed; + phy->duplex = fd; + phy->pause = 0; + + ctl = phy_read(phy, MII_BMCR); + ctl &= ~(BMCR_FULLDPLX|BMCR_SPEED100|BMCR_SPD2|BMCR_ANENABLE); + + /* First reset the PHY */ + phy_write(phy, MII_BMCR, ctl | BMCR_RESET); + + /* Select speed & duplex */ + switch(speed) { + case SPEED_10: + break; + case SPEED_100: + ctl |= BMCR_SPEED100; + break; + case SPEED_1000: + ctl |= BMCR_SPD2; + } + if (fd == DUPLEX_FULL) + ctl |= BMCR_FULLDPLX; + + // XXX Should we set the sungem to GII now on 1000BT ? + + phy_write(phy, MII_BMCR, ctl); + + return 0; +} + +static int bcm54xx_read_link(struct mii_phy *phy) +{ + int link_mode; + u16 val; + + if (phy->autoneg) { + val = phy_read(phy, MII_BCM5400_AUXSTATUS); + link_mode = ((val & MII_BCM5400_AUXSTATUS_LINKMODE_MASK) >> + MII_BCM5400_AUXSTATUS_LINKMODE_SHIFT); + phy->duplex = phy_BCM5400_link_table[link_mode][0] ? DUPLEX_FULL : DUPLEX_HALF; + phy->speed = phy_BCM5400_link_table[link_mode][2] ? + SPEED_1000 : + (phy_BCM5400_link_table[link_mode][1] ? SPEED_100 : SPEED_10); + val = phy_read(phy, MII_LPA); + phy->pause = ((val & LPA_PAUSE) != 0); + } + /* On non-aneg, we assume what we put in BMCR is the speed, + * though magic-aneg shouldn't prevent this case from occurring + */ + + return 0; +} + +static int marvell_setup_aneg(struct mii_phy *phy, u32 advertise) +{ + u16 ctl, adv; + + phy->autoneg = 1; + phy->speed = SPEED_10; + phy->duplex = DUPLEX_HALF; + phy->pause = 0; + phy->advertising = advertise; + + /* Setup standard advertise */ + adv = phy_read(phy, MII_ADVERTISE); + adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4); + if (advertise & ADVERTISED_10baseT_Half) + adv |= ADVERTISE_10HALF; + if (advertise & ADVERTISED_10baseT_Full) + adv |= ADVERTISE_10FULL; + if (advertise & ADVERTISED_100baseT_Half) + adv |= ADVERTISE_100HALF; + if (advertise & ADVERTISED_100baseT_Full) + adv |= ADVERTISE_100FULL; + phy_write(phy, MII_ADVERTISE, adv); + + /* Setup 1000BT advertise & enable crossover detect + * XXX How do we advertise 1000BT ? Darwin source is + * confusing here, they read from specific control and + * write to control... Someone has specs for those + * beasts ? + */ + adv = phy_read(phy, MII_M1011_PHY_SPEC_CONTROL); + adv |= MII_M1011_PHY_SPEC_CONTROL_AUTO_MDIX; + adv &= ~(MII_1000BASETCONTROL_FULLDUPLEXCAP | + MII_1000BASETCONTROL_HALFDUPLEXCAP); + if (advertise & SUPPORTED_1000baseT_Half) + adv |= MII_1000BASETCONTROL_HALFDUPLEXCAP; + if (advertise & SUPPORTED_1000baseT_Full) + adv |= MII_1000BASETCONTROL_FULLDUPLEXCAP; + phy_write(phy, MII_1000BASETCONTROL, adv); + + /* Start/Restart aneg */ + ctl = phy_read(phy, MII_BMCR); + ctl |= (BMCR_ANENABLE | BMCR_ANRESTART); + phy_write(phy, MII_BMCR, ctl); + + return 0; +} + +static int marvell_setup_forced(struct mii_phy *phy, int speed, int fd) +{ + u16 ctl, ctl2; + + phy->autoneg = 0; + phy->speed = speed; + phy->duplex = fd; + phy->pause = 0; + + ctl = phy_read(phy, MII_BMCR); + ctl &= ~(BMCR_FULLDPLX|BMCR_SPEED100|BMCR_SPD2|BMCR_ANENABLE); + ctl |= BMCR_RESET; + + /* Select speed & duplex */ + switch(speed) { + case SPEED_10: + break; + case SPEED_100: + ctl |= BMCR_SPEED100; + break; + /* I'm not sure about the one below, again, Darwin source is + * quite confusing and I lack chip specs + */ + case SPEED_1000: + ctl |= BMCR_SPD2; + } + if (fd == DUPLEX_FULL) + ctl |= BMCR_FULLDPLX; + + /* Disable crossover. Again, the way Apple does it is strange, + * though I don't assume they are wrong ;) + */ + ctl2 = phy_read(phy, MII_M1011_PHY_SPEC_CONTROL); + ctl2 &= ~(MII_M1011_PHY_SPEC_CONTROL_MANUAL_MDIX | + MII_M1011_PHY_SPEC_CONTROL_AUTO_MDIX | + MII_1000BASETCONTROL_FULLDUPLEXCAP | + MII_1000BASETCONTROL_HALFDUPLEXCAP); + if (speed == SPEED_1000) + ctl2 |= (fd == DUPLEX_FULL) ? + MII_1000BASETCONTROL_FULLDUPLEXCAP : + MII_1000BASETCONTROL_HALFDUPLEXCAP; + phy_write(phy, MII_1000BASETCONTROL, ctl2); + + // XXX Should we set the sungem to GII now on 1000BT ? + + phy_write(phy, MII_BMCR, ctl); + + return 0; +} + +static int marvell_read_link(struct mii_phy *phy) +{ + u16 status; + + if (phy->autoneg) { + status = phy_read(phy, MII_M1011_PHY_SPEC_STATUS); + if ((status & MII_M1011_PHY_SPEC_STATUS_RESOLVED) == 0) + return -EAGAIN; + if (status & MII_M1011_PHY_SPEC_STATUS_1000) + phy->speed = SPEED_1000; + else if (status & MII_M1011_PHY_SPEC_STATUS_100) + phy->speed = SPEED_100; + else + phy->speed = SPEED_10; + if (status & MII_M1011_PHY_SPEC_STATUS_FULLDUPLEX) + phy->duplex = DUPLEX_FULL; + else + phy->duplex = DUPLEX_HALF; + phy->pause = 0; /* XXX Check against spec ! */ + } + /* On non-aneg, we assume what we put in BMCR is the speed, + * though magic-aneg shouldn't prevent this case from occurring + */ + + return 0; +} + +static int genmii_setup_aneg(struct mii_phy *phy, u32 advertise) +{ + u16 ctl, adv; + + phy->autoneg = 1; + phy->speed = SPEED_10; + phy->duplex = DUPLEX_HALF; + phy->pause = 0; + phy->advertising = advertise; + + /* Setup standard advertise */ + adv = phy_read(phy, MII_ADVERTISE); + adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4); + if (advertise & ADVERTISED_10baseT_Half) + adv |= ADVERTISE_10HALF; + if (advertise & ADVERTISED_10baseT_Full) + adv |= ADVERTISE_10FULL; + if (advertise & ADVERTISED_100baseT_Half) + adv |= ADVERTISE_100HALF; + if (advertise & ADVERTISED_100baseT_Full) + adv |= ADVERTISE_100FULL; + phy_write(phy, MII_ADVERTISE, adv); + + /* Start/Restart aneg */ + ctl = phy_read(phy, MII_BMCR); + ctl |= (BMCR_ANENABLE | BMCR_ANRESTART); + phy_write(phy, MII_BMCR, ctl); + + return 0; +} + +static int genmii_setup_forced(struct mii_phy *phy, int speed, int fd) +{ + u16 ctl; + + phy->autoneg = 0; + phy->speed = speed; + phy->duplex = fd; + phy->pause = 0; + + ctl = phy_read(phy, MII_BMCR); + ctl &= ~(BMCR_FULLDPLX|BMCR_SPEED100|BMCR_ANENABLE); + + /* First reset the PHY */ + phy_write(phy, MII_BMCR, ctl | BMCR_RESET); + + /* Select speed & duplex */ + switch(speed) { + case SPEED_10: + break; + case SPEED_100: + ctl |= BMCR_SPEED100; + break; + case SPEED_1000: + default: + return -EINVAL; + } + if (fd == DUPLEX_FULL) + ctl |= BMCR_FULLDPLX; + phy_write(phy, MII_BMCR, ctl); + + return 0; +} + +static int genmii_poll_link(struct mii_phy *phy) +{ + u16 status; + + (void)phy_read(phy, MII_BMSR); + status = phy_read(phy, MII_BMSR); + if ((status & BMSR_LSTATUS) == 0) + return 0; + if (phy->autoneg && !(status & BMSR_ANEGCOMPLETE)) + return 0; + return 1; +} + +static int genmii_read_link(struct mii_phy *phy) +{ + u16 lpa; + + if (phy->autoneg) { + lpa = phy_read(phy, MII_LPA); + + if (lpa & (LPA_10FULL | LPA_100FULL)) + phy->duplex = DUPLEX_FULL; + else + phy->duplex = DUPLEX_HALF; + if (lpa & (LPA_100FULL | LPA_100HALF)) + phy->speed = SPEED_100; + else + phy->speed = SPEED_10; + phy->pause = 0; + } + /* On non-aneg, we assume what we put in BMCR is the speed, + * though magic-aneg shouldn't prevent this case from occurring + */ + + return 0; +} + + +#define MII_BASIC_FEATURES (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | \ + SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | \ + SUPPORTED_Autoneg | SUPPORTED_TP | SUPPORTED_MII) +#define MII_GBIT_FEATURES (MII_BASIC_FEATURES | \ + SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full) + +/* Broadcom BCM 5201 */ +static struct mii_phy_ops bcm5201_phy_ops = { + .init = bcm5201_init, + .suspend = bcm5201_suspend, + .setup_aneg = genmii_setup_aneg, + .setup_forced = genmii_setup_forced, + .poll_link = genmii_poll_link, + .read_link = genmii_read_link, +}; + +static struct mii_phy_def bcm5201_phy_def = { + .phy_id = 0x00406210, + .phy_id_mask = 0xfffffff0, + .name = "BCM5201", + .features = MII_BASIC_FEATURES, + .magic_aneg = 1, + .ops = &bcm5201_phy_ops +}; + +/* Broadcom BCM 5221 */ +static struct mii_phy_ops bcm5221_phy_ops = { + .suspend = bcm5221_suspend, + .init = bcm5221_init, + .setup_aneg = genmii_setup_aneg, + .setup_forced = genmii_setup_forced, + .poll_link = genmii_poll_link, + .read_link = genmii_read_link, +}; + +static struct mii_phy_def bcm5221_phy_def = { + .phy_id = 0x004061e0, + .phy_id_mask = 0xfffffff0, + .name = "BCM5221", + .features = MII_BASIC_FEATURES, + .magic_aneg = 1, + .ops = &bcm5221_phy_ops +}; + +/* Broadcom BCM 5400 */ +static struct mii_phy_ops bcm5400_phy_ops = { + .init = bcm5400_init, + .suspend = bcm5400_suspend, + .setup_aneg = bcm54xx_setup_aneg, + .setup_forced = bcm54xx_setup_forced, + .poll_link = genmii_poll_link, + .read_link = bcm54xx_read_link, +}; + +static struct mii_phy_def bcm5400_phy_def = { + .phy_id = 0x00206040, + .phy_id_mask = 0xfffffff0, + .name = "BCM5400", + .features = MII_GBIT_FEATURES, + .magic_aneg = 1, + .ops = &bcm5400_phy_ops +}; + +/* Broadcom BCM 5401 */ +static struct mii_phy_ops bcm5401_phy_ops = { + .init = bcm5401_init, + .suspend = bcm5401_suspend, + .setup_aneg = bcm54xx_setup_aneg, + .setup_forced = bcm54xx_setup_forced, + .poll_link = genmii_poll_link, + .read_link = bcm54xx_read_link, +}; + +static struct mii_phy_def bcm5401_phy_def = { + .phy_id = 0x00206050, + .phy_id_mask = 0xfffffff0, + .name = "BCM5401", + .features = MII_GBIT_FEATURES, + .magic_aneg = 1, + .ops = &bcm5401_phy_ops +}; + +/* Broadcom BCM 5411 */ +static struct mii_phy_ops bcm5411_phy_ops = { + .init = bcm5411_init, + .suspend = bcm5411_suspend, + .setup_aneg = bcm54xx_setup_aneg, + .setup_forced = bcm54xx_setup_forced, + .poll_link = genmii_poll_link, + .read_link = bcm54xx_read_link, +}; + +static struct mii_phy_def bcm5411_phy_def = { + .phy_id = 0x00206070, + .phy_id_mask = 0xfffffff0, + .name = "BCM5411", + .features = MII_GBIT_FEATURES, + .magic_aneg = 1, + .ops = &bcm5411_phy_ops +}; + +/* Broadcom BCM 5421 */ +static struct mii_phy_ops bcm5421_phy_ops = { + .init = bcm5421_init, + .suspend = bcm5411_suspend, + .setup_aneg = bcm54xx_setup_aneg, + .setup_forced = bcm54xx_setup_forced, + .poll_link = genmii_poll_link, + .read_link = bcm54xx_read_link, +}; + +static struct mii_phy_def bcm5421_phy_def = { + .phy_id = 0x002060e0, + .phy_id_mask = 0xfffffff0, + .name = "BCM5421", + .features = MII_GBIT_FEATURES, + .magic_aneg = 1, + .ops = &bcm5421_phy_ops +}; + +/* Broadcom BCM 5421 built-in K2 */ +static struct mii_phy_ops bcm5421k2_phy_ops = { + .init = bcm5421k2_init, + .suspend = bcm5411_suspend, + .setup_aneg = bcm54xx_setup_aneg, + .setup_forced = bcm54xx_setup_forced, + .poll_link = genmii_poll_link, + .read_link = bcm54xx_read_link, +}; + +static struct mii_phy_def bcm5421k2_phy_def = { + .phy_id = 0x002062e0, + .phy_id_mask = 0xfffffff0, + .name = "BCM5421-K2", + .features = MII_GBIT_FEATURES, + .magic_aneg = 1, + .ops = &bcm5421k2_phy_ops +}; + +/* Marvell 88E1101 (Apple seem to deal with 2 different revs, + * I masked out the 8 last bits to get both, but some specs + * would be useful here) --BenH. + */ +static struct mii_phy_ops marvell_phy_ops = { + .setup_aneg = marvell_setup_aneg, + .setup_forced = marvell_setup_forced, + .poll_link = genmii_poll_link, + .read_link = marvell_read_link +}; + +static struct mii_phy_def marvell_phy_def = { + .phy_id = 0x01410c00, + .phy_id_mask = 0xffffff00, + .name = "Marvell 88E1101", + .features = MII_GBIT_FEATURES, + .magic_aneg = 1, + .ops = &marvell_phy_ops +}; + +/* Generic implementation for most 10/100 PHYs */ +static struct mii_phy_ops generic_phy_ops = { + .setup_aneg = genmii_setup_aneg, + .setup_forced = genmii_setup_forced, + .poll_link = genmii_poll_link, + .read_link = genmii_read_link +}; + +static struct mii_phy_def genmii_phy_def = { + .phy_id = 0x00000000, + .phy_id_mask = 0x00000000, + .name = "Generic MII", + .features = MII_BASIC_FEATURES, + .magic_aneg = 0, + .ops = &generic_phy_ops +}; + +static struct mii_phy_def* mii_phy_table[] = { + &bcm5201_phy_def, + &bcm5221_phy_def, + &bcm5400_phy_def, + &bcm5401_phy_def, + &bcm5411_phy_def, + &bcm5421_phy_def, + &bcm5421k2_phy_def, + &marvell_phy_def, + &genmii_phy_def, + NULL +}; + +int mii_phy_probe(struct mii_phy *phy, int mii_id) +{ + int rc; + u32 id; + struct mii_phy_def* def; + int i; + + /* We do not reset the mii_phy structure as the driver + * may re-probe the PHY regulary + */ + phy->mii_id = mii_id; + + /* Take PHY out of isloate mode and reset it. */ + rc = reset_one_mii_phy(phy, mii_id); + if (rc) + goto fail; + + /* Read ID and find matching entry */ + id = (phy_read(phy, MII_PHYSID1) << 16 | phy_read(phy, MII_PHYSID2)); + printk(KERN_DEBUG "PHY ID: %x, addr: %x\n", id, mii_id); + for (i=0; (def = mii_phy_table[i]) != NULL; i++) + if ((id & def->phy_id_mask) == def->phy_id) + break; + /* Should never be NULL (we have a generic entry), but... */ + if (def == NULL) + goto fail; + + phy->def = def; + + return 0; +fail: + phy->speed = 0; + phy->duplex = 0; + phy->pause = 0; + phy->advertising = 0; + return -ENODEV; +} + +EXPORT_SYMBOL(mii_phy_probe); +MODULE_LICENSE("GPL"); + |
