Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Benjamin Herrenschmidt | 3385 | 69.51% | 5 | 25.00% |
Jens Osterkamp | 1107 | 22.73% | 2 | 10.00% |
Andrew Morton | 184 | 3.78% | 1 | 5.00% |
David S. Miller | 156 | 3.20% | 2 | 10.00% |
Bhumika Goyal | 13 | 0.27% | 1 | 5.00% |
Johannes Berg | 10 | 0.21% | 1 | 5.00% |
Joe Perches | 5 | 0.10% | 1 | 5.00% |
Adam Buchbinder | 4 | 0.08% | 1 | 5.00% |
Stephen Rothwell | 2 | 0.04% | 2 | 10.00% |
Roel Kluin | 1 | 0.02% | 1 | 5.00% |
Jeff Garzik | 1 | 0.02% | 1 | 5.00% |
Thomas Gleixner | 1 | 0.02% | 1 | 5.00% |
Arjan van de Ven | 1 | 0.02% | 1 | 5.00% |
Total | 4870 | 20 |
// SPDX-License-Identifier: GPL-2.0-only /* * PHY drivers for the sungem ethernet driver. * * This file could be shared with other drivers. * * (c) 2002-2007, Benjamin Herrenscmidt (benh@kernel.crashing.org) * * TODO: * - 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/module.h> #include <linux/kernel.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> #ifdef CONFIG_PPC_PMAC #include <asm/prom.h> #endif #include <linux/sungem_phy.h> /* Link modes of the BCM5400 PHY */ static const 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 __sungem_phy_read(struct mii_phy* phy, int id, int reg) { return phy->mdio_read(phy->dev, id, reg); } static inline void __sungem_phy_write(struct mii_phy* phy, int id, int reg, int val) { phy->mdio_write(phy->dev, id, reg, val); } static inline int sungem_phy_read(struct mii_phy* phy, int reg) { return phy->mdio_read(phy->dev, phy->mii_id, reg); } static inline void sungem_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 = __sungem_phy_read(phy, phy_id, MII_BMCR); val &= ~(BMCR_ISOLATE | BMCR_PDOWN); val |= BMCR_RESET; __sungem_phy_write(phy, phy_id, MII_BMCR, val); udelay(100); while (--limit) { val = __sungem_phy_read(phy, phy_id, MII_BMCR); if ((val & BMCR_RESET) == 0) break; udelay(10); } if ((val & BMCR_ISOLATE) && limit > 0) __sungem_phy_write(phy, phy_id, MII_BMCR, val & ~BMCR_ISOLATE); return limit <= 0; } static int bcm5201_init(struct mii_phy* phy) { u16 data; data = sungem_phy_read(phy, MII_BCM5201_MULTIPHY); data &= ~MII_BCM5201_MULTIPHY_SUPERISOLATE; sungem_phy_write(phy, MII_BCM5201_MULTIPHY, data); sungem_phy_write(phy, MII_BCM5201_INTERRUPT, 0); return 0; } static int bcm5201_suspend(struct mii_phy* phy) { sungem_phy_write(phy, MII_BCM5201_INTERRUPT, 0); sungem_phy_write(phy, MII_BCM5201_MULTIPHY, MII_BCM5201_MULTIPHY_SUPERISOLATE); return 0; } static int bcm5221_init(struct mii_phy* phy) { u16 data; data = sungem_phy_read(phy, MII_BCM5221_TEST); sungem_phy_write(phy, MII_BCM5221_TEST, data | MII_BCM5221_TEST_ENABLE_SHADOWS); data = sungem_phy_read(phy, MII_BCM5221_SHDOW_AUX_STAT2); sungem_phy_write(phy, MII_BCM5221_SHDOW_AUX_STAT2, data | MII_BCM5221_SHDOW_AUX_STAT2_APD); data = sungem_phy_read(phy, MII_BCM5221_SHDOW_AUX_MODE4); sungem_phy_write(phy, MII_BCM5221_SHDOW_AUX_MODE4, data | MII_BCM5221_SHDOW_AUX_MODE4_CLKLOPWR); data = sungem_phy_read(phy, MII_BCM5221_TEST); sungem_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 = sungem_phy_read(phy, MII_BCM5221_TEST); sungem_phy_write(phy, MII_BCM5221_TEST, data | MII_BCM5221_TEST_ENABLE_SHADOWS); data = sungem_phy_read(phy, MII_BCM5221_SHDOW_AUX_MODE4); sungem_phy_write(phy, MII_BCM5221_SHDOW_AUX_MODE4, data | MII_BCM5221_SHDOW_AUX_MODE4_IDDQMODE); return 0; } static int bcm5241_init(struct mii_phy* phy) { u16 data; data = sungem_phy_read(phy, MII_BCM5221_TEST); sungem_phy_write(phy, MII_BCM5221_TEST, data | MII_BCM5221_TEST_ENABLE_SHADOWS); data = sungem_phy_read(phy, MII_BCM5221_SHDOW_AUX_STAT2); sungem_phy_write(phy, MII_BCM5221_SHDOW_AUX_STAT2, data | MII_BCM5221_SHDOW_AUX_STAT2_APD); data = sungem_phy_read(phy, MII_BCM5221_SHDOW_AUX_MODE4); sungem_phy_write(phy, MII_BCM5221_SHDOW_AUX_MODE4, data & ~MII_BCM5241_SHDOW_AUX_MODE4_STANDBYPWR); data = sungem_phy_read(phy, MII_BCM5221_TEST); sungem_phy_write(phy, MII_BCM5221_TEST, data & ~MII_BCM5221_TEST_ENABLE_SHADOWS); return 0; } static int bcm5241_suspend(struct mii_phy* phy) { u16 data; data = sungem_phy_read(phy, MII_BCM5221_TEST); sungem_phy_write(phy, MII_BCM5221_TEST, data | MII_BCM5221_TEST_ENABLE_SHADOWS); data = sungem_phy_read(phy, MII_BCM5221_SHDOW_AUX_MODE4); sungem_phy_write(phy, MII_BCM5221_SHDOW_AUX_MODE4, data | MII_BCM5241_SHDOW_AUX_MODE4_STANDBYPWR); return 0; } static int bcm5400_init(struct mii_phy* phy) { u16 data; /* Configure for gigabit full duplex */ data = sungem_phy_read(phy, MII_BCM5400_AUXCONTROL); data |= MII_BCM5400_AUXCONTROL_PWR10BASET; sungem_phy_write(phy, MII_BCM5400_AUXCONTROL, data); data = sungem_phy_read(phy, MII_BCM5400_GB_CONTROL); data |= MII_BCM5400_GB_CONTROL_FULLDUPLEXCAP; sungem_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 = __sungem_phy_read(phy, 0x1f, MII_BCM5201_MULTIPHY); data |= MII_BCM5201_MULTIPHY_SERIALMODE; __sungem_phy_write(phy, 0x1f, MII_BCM5201_MULTIPHY, data); data = sungem_phy_read(phy, MII_BCM5400_AUXCONTROL); data &= ~MII_BCM5400_AUXCONTROL_PWR10BASET; sungem_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 ? */ sungem_phy_write(phy, MII_BMCR, BMCR_PDOWN); #endif return 0; } static int bcm5401_init(struct mii_phy* phy) { u16 data; int rev; rev = sungem_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 */ sungem_phy_write(phy, 0x18, 0x0c20); sungem_phy_write(phy, 0x17, 0x0012); sungem_phy_write(phy, 0x15, 0x1804); sungem_phy_write(phy, 0x17, 0x0013); sungem_phy_write(phy, 0x15, 0x1204); sungem_phy_write(phy, 0x17, 0x8006); sungem_phy_write(phy, 0x15, 0x0132); sungem_phy_write(phy, 0x17, 0x8006); sungem_phy_write(phy, 0x15, 0x0232); sungem_phy_write(phy, 0x17, 0x201f); sungem_phy_write(phy, 0x15, 0x0a20); } /* Configure for gigabit full duplex */ data = sungem_phy_read(phy, MII_BCM5400_GB_CONTROL); data |= MII_BCM5400_GB_CONTROL_FULLDUPLEXCAP; sungem_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 = __sungem_phy_read(phy, 0x1f, MII_BCM5201_MULTIPHY); data |= MII_BCM5201_MULTIPHY_SERIALMODE; __sungem_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 ? */ sungem_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. */ sungem_phy_write(phy, 0x1c, 0x8c23); sungem_phy_write(phy, 0x1c, 0x8ca3); sungem_phy_write(phy, 0x1c, 0x8c23); /* Here, Apple seems to want to reset it, do * it as well */ sungem_phy_write(phy, MII_BMCR, BMCR_RESET); sungem_phy_write(phy, MII_BMCR, 0x1340); data = sungem_phy_read(phy, MII_BCM5400_GB_CONTROL); data |= MII_BCM5400_GB_CONTROL_FULLDUPLEXCAP; sungem_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 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 = sungem_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; sungem_phy_write(phy, MII_ADVERTISE, adv); /* Start/Restart aneg */ ctl = sungem_phy_read(phy, MII_BMCR); ctl |= (BMCR_ANENABLE | BMCR_ANRESTART); sungem_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 = sungem_phy_read(phy, MII_BMCR); ctl &= ~(BMCR_FULLDPLX|BMCR_SPEED100|BMCR_ANENABLE); /* First reset the PHY */ sungem_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; sungem_phy_write(phy, MII_BMCR, ctl); return 0; } static int genmii_poll_link(struct mii_phy *phy) { u16 status; (void)sungem_phy_read(phy, MII_BMSR); status = sungem_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 = sungem_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; } static int generic_suspend(struct mii_phy* phy) { sungem_phy_write(phy, MII_BMCR, BMCR_PDOWN); return 0; } static int bcm5421_init(struct mii_phy* phy) { u16 data; unsigned int id; id = (sungem_phy_read(phy, MII_PHYSID1) << 16 | sungem_phy_read(phy, MII_PHYSID2)); /* Revision 0 of 5421 needs some fixups */ if (id == 0x002060e0) { /* This is borrowed from MacOS */ sungem_phy_write(phy, 0x18, 0x1007); data = sungem_phy_read(phy, 0x18); sungem_phy_write(phy, 0x18, data | 0x0400); sungem_phy_write(phy, 0x18, 0x0007); data = sungem_phy_read(phy, 0x18); sungem_phy_write(phy, 0x18, data | 0x0800); sungem_phy_write(phy, 0x17, 0x000a); data = sungem_phy_read(phy, 0x15); sungem_phy_write(phy, 0x15, data | 0x0200); } /* Pick up some init code from OF for K2 version */ if ((id & 0xfffffff0) == 0x002062e0) { sungem_phy_write(phy, 4, 0x01e1); sungem_phy_write(phy, 9, 0x0300); } /* Check if we can enable automatic low power */ #ifdef CONFIG_PPC_PMAC if (phy->platform_data) { struct device_node *np = of_get_parent(phy->platform_data); int can_low_power = 1; if (np == NULL || of_get_property(np, "no-autolowpower", NULL)) can_low_power = 0; if (can_low_power) { /* Enable automatic low-power */ sungem_phy_write(phy, 0x1c, 0x9002); sungem_phy_write(phy, 0x1c, 0xa821); sungem_phy_write(phy, 0x1c, 0x941d); } } #endif /* CONFIG_PPC_PMAC */ 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 = sungem_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; if (advertise & ADVERTISED_Pause) adv |= ADVERTISE_PAUSE_CAP; if (advertise & ADVERTISED_Asym_Pause) adv |= ADVERTISE_PAUSE_ASYM; sungem_phy_write(phy, MII_ADVERTISE, adv); /* Setup 1000BT advertise */ adv = sungem_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; sungem_phy_write(phy, MII_1000BASETCONTROL, adv); /* Start/Restart aneg */ ctl = sungem_phy_read(phy, MII_BMCR); ctl |= (BMCR_ANENABLE | BMCR_ANRESTART); sungem_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 = sungem_phy_read(phy, MII_BMCR); ctl &= ~(BMCR_FULLDPLX|BMCR_SPEED100|BMCR_SPD2|BMCR_ANENABLE); /* First reset the PHY */ sungem_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 ? sungem_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 = sungem_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 = sungem_phy_read(phy, MII_LPA); phy->pause = (phy->duplex == DUPLEX_FULL) && ((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 marvell88e1111_init(struct mii_phy* phy) { u16 rev; /* magic init sequence for rev 0 */ rev = sungem_phy_read(phy, MII_PHYSID2) & 0x000f; if (rev == 0) { sungem_phy_write(phy, 0x1d, 0x000a); sungem_phy_write(phy, 0x1e, 0x0821); sungem_phy_write(phy, 0x1d, 0x0006); sungem_phy_write(phy, 0x1e, 0x8600); sungem_phy_write(phy, 0x1d, 0x000b); sungem_phy_write(phy, 0x1e, 0x0100); sungem_phy_write(phy, 0x1d, 0x0004); sungem_phy_write(phy, 0x1e, 0x4850); } return 0; } #define BCM5421_MODE_MASK (1 << 5) static int bcm5421_poll_link(struct mii_phy* phy) { u32 phy_reg; int mode; /* find out in what mode we are */ sungem_phy_write(phy, MII_NCONFIG, 0x1000); phy_reg = sungem_phy_read(phy, MII_NCONFIG); mode = (phy_reg & BCM5421_MODE_MASK) >> 5; if ( mode == BCM54XX_COPPER) return genmii_poll_link(phy); /* try to find out whether we have a link */ sungem_phy_write(phy, MII_NCONFIG, 0x2000); phy_reg = sungem_phy_read(phy, MII_NCONFIG); if (phy_reg & 0x0020) return 0; else return 1; } static int bcm5421_read_link(struct mii_phy* phy) { u32 phy_reg; int mode; /* find out in what mode we are */ sungem_phy_write(phy, MII_NCONFIG, 0x1000); phy_reg = sungem_phy_read(phy, MII_NCONFIG); mode = (phy_reg & BCM5421_MODE_MASK ) >> 5; if ( mode == BCM54XX_COPPER) return bcm54xx_read_link(phy); phy->speed = SPEED_1000; /* find out whether we are running half- or full duplex */ sungem_phy_write(phy, MII_NCONFIG, 0x2000); phy_reg = sungem_phy_read(phy, MII_NCONFIG); if ( (phy_reg & 0x0080) >> 7) phy->duplex |= DUPLEX_HALF; else phy->duplex |= DUPLEX_FULL; return 0; } static int bcm5421_enable_fiber(struct mii_phy* phy, int autoneg) { /* enable fiber mode */ sungem_phy_write(phy, MII_NCONFIG, 0x9020); /* LEDs active in both modes, autosense prio = fiber */ sungem_phy_write(phy, MII_NCONFIG, 0x945f); if (!autoneg) { /* switch off fibre autoneg */ sungem_phy_write(phy, MII_NCONFIG, 0xfc01); sungem_phy_write(phy, 0x0b, 0x0004); } phy->autoneg = autoneg; return 0; } #define BCM5461_FIBER_LINK (1 << 2) #define BCM5461_MODE_MASK (3 << 1) static int bcm5461_poll_link(struct mii_phy* phy) { u32 phy_reg; int mode; /* find out in what mode we are */ sungem_phy_write(phy, MII_NCONFIG, 0x7c00); phy_reg = sungem_phy_read(phy, MII_NCONFIG); mode = (phy_reg & BCM5461_MODE_MASK ) >> 1; if ( mode == BCM54XX_COPPER) return genmii_poll_link(phy); /* find out whether we have a link */ sungem_phy_write(phy, MII_NCONFIG, 0x7000); phy_reg = sungem_phy_read(phy, MII_NCONFIG); if (phy_reg & BCM5461_FIBER_LINK) return 1; else return 0; } #define BCM5461_FIBER_DUPLEX (1 << 3) static int bcm5461_read_link(struct mii_phy* phy) { u32 phy_reg; int mode; /* find out in what mode we are */ sungem_phy_write(phy, MII_NCONFIG, 0x7c00); phy_reg = sungem_phy_read(phy, MII_NCONFIG); mode = (phy_reg & BCM5461_MODE_MASK ) >> 1; if ( mode == BCM54XX_COPPER) { return bcm54xx_read_link(phy); } phy->speed = SPEED_1000; /* find out whether we are running half- or full duplex */ sungem_phy_write(phy, MII_NCONFIG, 0x7000); phy_reg = sungem_phy_read(phy, MII_NCONFIG); if (phy_reg & BCM5461_FIBER_DUPLEX) phy->duplex |= DUPLEX_FULL; else phy->duplex |= DUPLEX_HALF; return 0; } static int bcm5461_enable_fiber(struct mii_phy* phy, int autoneg) { /* select fiber mode, enable 1000 base-X registers */ sungem_phy_write(phy, MII_NCONFIG, 0xfc0b); if (autoneg) { /* enable fiber with no autonegotiation */ sungem_phy_write(phy, MII_ADVERTISE, 0x01e0); sungem_phy_write(phy, MII_BMCR, 0x1140); } else { /* enable fiber with autonegotiation */ sungem_phy_write(phy, MII_BMCR, 0x0140); } phy->autoneg = autoneg; 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 = sungem_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; if (advertise & ADVERTISED_Pause) adv |= ADVERTISE_PAUSE_CAP; if (advertise & ADVERTISED_Asym_Pause) adv |= ADVERTISE_PAUSE_ASYM; sungem_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 = sungem_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; sungem_phy_write(phy, MII_1000BASETCONTROL, adv); /* Start/Restart aneg */ ctl = sungem_phy_read(phy, MII_BMCR); ctl |= (BMCR_ANENABLE | BMCR_ANRESTART); sungem_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 = sungem_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 = sungem_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; sungem_phy_write(phy, MII_1000BASETCONTROL, ctl2); // XXX Should we set the sungem to GII now on 1000BT ? sungem_phy_write(phy, MII_BMCR, ctl); return 0; } static int marvell_read_link(struct mii_phy *phy) { u16 status, pmask; if (phy->autoneg) { status = sungem_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; pmask = MII_M1011_PHY_SPEC_STATUS_TX_PAUSE | MII_M1011_PHY_SPEC_STATUS_RX_PAUSE; phy->pause = (status & pmask) == pmask; } /* 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 | \ SUPPORTED_Pause) /* On gigabit capable PHYs, we advertise Pause support but not asym pause * support for now as I'm not sure it's supported and Darwin doesn't do * it neither. --BenH. */ #define MII_GBIT_FEATURES \ (MII_BASIC_FEATURES | \ SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full) /* Broadcom BCM 5201 */ static const 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 const 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 5241 */ static const struct mii_phy_ops bcm5241_phy_ops = { .suspend = bcm5241_suspend, .init = bcm5241_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 bcm5241_phy_def = { .phy_id = 0x0143bc30, .phy_id_mask = 0xfffffff0, .name = "BCM5241", .features = MII_BASIC_FEATURES, .magic_aneg = 1, .ops = &bcm5241_phy_ops }; /* Broadcom BCM 5400 */ static const 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 const 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 const struct mii_phy_ops bcm5411_phy_ops = { .init = bcm5411_init, .suspend = generic_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 const struct mii_phy_ops bcm5421_phy_ops = { .init = bcm5421_init, .suspend = generic_suspend, .setup_aneg = bcm54xx_setup_aneg, .setup_forced = bcm54xx_setup_forced, .poll_link = bcm5421_poll_link, .read_link = bcm5421_read_link, .enable_fiber = bcm5421_enable_fiber, }; 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 const struct mii_phy_ops bcm5421k2_phy_ops = { .init = bcm5421_init, .suspend = generic_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 }; static const struct mii_phy_ops bcm5461_phy_ops = { .init = bcm5421_init, .suspend = generic_suspend, .setup_aneg = bcm54xx_setup_aneg, .setup_forced = bcm54xx_setup_forced, .poll_link = bcm5461_poll_link, .read_link = bcm5461_read_link, .enable_fiber = bcm5461_enable_fiber, }; static struct mii_phy_def bcm5461_phy_def = { .phy_id = 0x002060c0, .phy_id_mask = 0xfffffff0, .name = "BCM5461", .features = MII_GBIT_FEATURES, .magic_aneg = 1, .ops = &bcm5461_phy_ops }; /* Broadcom BCM 5462 built-in Vesta */ static const struct mii_phy_ops bcm5462V_phy_ops = { .init = bcm5421_init, .suspend = generic_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 bcm5462V_phy_def = { .phy_id = 0x002060d0, .phy_id_mask = 0xfffffff0, .name = "BCM5462-Vesta", .features = MII_GBIT_FEATURES, .magic_aneg = 1, .ops = &bcm5462V_phy_ops }; /* Marvell 88E1101 amd 88E1111 */ static const struct mii_phy_ops marvell88e1101_phy_ops = { .suspend = generic_suspend, .setup_aneg = marvell_setup_aneg, .setup_forced = marvell_setup_forced, .poll_link = genmii_poll_link, .read_link = marvell_read_link }; static const struct mii_phy_ops marvell88e1111_phy_ops = { .init = marvell88e1111_init, .suspend = generic_suspend, .setup_aneg = marvell_setup_aneg, .setup_forced = marvell_setup_forced, .poll_link = genmii_poll_link, .read_link = marvell_read_link }; /* two revs in darwin for the 88e1101 ... I could use a datasheet * to get the proper names... */ static struct mii_phy_def marvell88e1101v1_phy_def = { .phy_id = 0x01410c20, .phy_id_mask = 0xfffffff0, .name = "Marvell 88E1101v1", .features = MII_GBIT_FEATURES, .magic_aneg = 1, .ops = &marvell88e1101_phy_ops }; static struct mii_phy_def marvell88e1101v2_phy_def = { .phy_id = 0x01410c60, .phy_id_mask = 0xfffffff0, .name = "Marvell 88E1101v2", .features = MII_GBIT_FEATURES, .magic_aneg = 1, .ops = &marvell88e1101_phy_ops }; static struct mii_phy_def marvell88e1111_phy_def = { .phy_id = 0x01410cc0, .phy_id_mask = 0xfffffff0, .name = "Marvell 88E1111", .features = MII_GBIT_FEATURES, .magic_aneg = 1, .ops = &marvell88e1111_phy_ops }; /* Generic implementation for most 10/100 PHYs */ static const 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, &bcm5241_phy_def, &bcm5400_phy_def, &bcm5401_phy_def, &bcm5411_phy_def, &bcm5421_phy_def, &bcm5421k2_phy_def, &bcm5461_phy_def, &bcm5462V_phy_def, &marvell88e1101v1_phy_def, &marvell88e1101v2_phy_def, &marvell88e1111_phy_def, &genmii_phy_def, NULL }; int sungem_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 = (sungem_phy_read(phy, MII_PHYSID1) << 16 | sungem_phy_read(phy, MII_PHYSID2)); printk(KERN_DEBUG KBUILD_MODNAME ": " "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(sungem_phy_probe); MODULE_LICENSE("GPL");
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