static int bcm54xx_config_init(struct phy_device *phydev) { int reg, err, val; reg = phy_read(phydev, MII_BCM54XX_ECR); if (reg < 0) return reg; /* Mask interrupts globally. */ reg |= MII_BCM54XX_ECR_IM; err = phy_write(phydev, MII_BCM54XX_ECR, reg); if (err < 0) return err; /* Unmask events we are interested in. */ reg = ~(MII_BCM54XX_INT_DUPLEX | MII_BCM54XX_INT_SPEED | MII_BCM54XX_INT_LINK); err = phy_write(phydev, MII_BCM54XX_IMR, reg); if (err < 0) return err; if ((BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 || BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) && (phydev->dev_flags & PHY_BRCM_CLEAR_RGMII_MODE)) bcm_phy_write_shadow(phydev, BCM54XX_SHD_RGMII_MODE, 0); if ((phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) || (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY) || (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE)) bcm54xx_adjust_rxrefclk(phydev); if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54210E) { err = bcm54210e_config_init(phydev); if (err) return err; } else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54612E) { err = bcm54612e_config_init(phydev); if (err) return err; } else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) { /* For BCM54810, we need to disable BroadR-Reach function */ val = bcm_phy_read_exp(phydev, BCM54810_EXP_BROADREACH_LRE_MISC_CTL); val &= ~BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN; err = bcm_phy_write_exp(phydev, BCM54810_EXP_BROADREACH_LRE_MISC_CTL, val); if (err < 0) return err; } bcm54xx_phydsp_config(phydev); return 0; }
static int bcm54xx_phydsp_config(struct phy_device *phydev) { int err, err2; /* Enable the SMDSP clock */ err = bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL, MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA | MII_BCM54XX_AUXCTL_ACTL_TX_6DB); if (err < 0) return err; if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 || BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) { /* Clear bit 9 to fix a phy interop issue. */ err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP08, MII_BCM54XX_EXP_EXP08_RJCT_2MHZ); if (err < 0) goto error; if (phydev->drv->phy_id == PHY_ID_BCM50610) { err = bcm50610_a0_workaround(phydev); if (err < 0) goto error; } } if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) { int val; val = bcm_phy_read_exp(phydev, MII_BCM54XX_EXP_EXP75); if (val < 0) goto error; val |= MII_BCM54XX_EXP_EXP75_CM_OSC; err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP75, val); } error: /* Disable the SMDSP clock */ err2 = bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL, MII_BCM54XX_AUXCTL_ACTL_TX_6DB); /* Return the first error reported. */ return err ? err : err2; }
int bcm_phy_read_misc(struct phy_device *phydev, u16 reg, u16 chl) { int rc; int tmp; rc = phy_write(phydev, MII_BCM54XX_AUX_CTL, MII_BCM54XX_AUXCTL_SHDWSEL_MISC); if (rc < 0) return rc; tmp = phy_read(phydev, MII_BCM54XX_AUX_CTL); tmp |= MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA; rc = phy_write(phydev, MII_BCM54XX_AUX_CTL, tmp); if (rc < 0) return rc; tmp = (chl * MII_BCM_CHANNEL_WIDTH) | reg; rc = bcm_phy_read_exp(phydev, tmp); return rc; }
static int bcm5482_config_init(struct phy_device *phydev) { int err, reg; err = bcm54xx_config_init(phydev); if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX) { /* * Enable secondary SerDes and its use as an LED source */ reg = bcm_phy_read_shadow(phydev, BCM5482_SHD_SSD); bcm_phy_write_shadow(phydev, BCM5482_SHD_SSD, reg | BCM5482_SHD_SSD_LEDM | BCM5482_SHD_SSD_EN); /* * Enable SGMII slave mode and auto-detection */ reg = BCM5482_SSD_SGMII_SLAVE | MII_BCM54XX_EXP_SEL_SSD; err = bcm_phy_read_exp(phydev, reg); if (err < 0) return err; err = bcm_phy_write_exp(phydev, reg, err | BCM5482_SSD_SGMII_SLAVE_EN | BCM5482_SSD_SGMII_SLAVE_AD); if (err < 0) return err; /* * Disable secondary SerDes powerdown */ reg = BCM5482_SSD_1000BX_CTL | MII_BCM54XX_EXP_SEL_SSD; err = bcm_phy_read_exp(phydev, reg); if (err < 0) return err; err = bcm_phy_write_exp(phydev, reg, err & ~BCM5482_SSD_1000BX_CTL_PWRDOWN); if (err < 0) return err; /* * Select 1000BASE-X register set (primary SerDes) */ reg = bcm_phy_read_shadow(phydev, BCM5482_SHD_MODE); bcm_phy_write_shadow(phydev, BCM5482_SHD_MODE, reg | BCM5482_SHD_MODE_1000BX); /* * LED1=ACTIVITYLED, LED3=LINKSPD[2] * (Use LED1 as secondary SerDes ACTIVITY LED) */ bcm_phy_write_shadow(phydev, BCM5482_SHD_LEDS1, BCM5482_SHD_LEDS1_LED1(BCM_LED_SRC_ACTIVITYLED) | BCM5482_SHD_LEDS1_LED3(BCM_LED_SRC_LINKSPD2)); /* * Auto-negotiation doesn't seem to work quite right * in this mode, so we disable it and force it to the * right speed/duplex setting. Only 'link status' * is important. */ phydev->autoneg = AUTONEG_DISABLE; phydev->speed = SPEED_1000; phydev->duplex = DUPLEX_FULL; } return err; }