diff options
Diffstat (limited to 'drivers/net/phy/broadcom.c')
| -rw-r--r-- | drivers/net/phy/broadcom.c | 233 |
1 files changed, 223 insertions, 10 deletions
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 190efc3301c6..f81e53222230 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -18,6 +18,12 @@ #include <linux/phy.h> #define PHY_ID_BCM50610 0x0143bd60 +#define PHY_ID_BCM50610M 0x0143bd70 +#define PHY_ID_BCM57780 0x03625d90 + +#define BRCM_PHY_MODEL(phydev) \ + ((phydev)->drv->phy_id & (phydev)->drv->phy_id_mask) + #define MII_BCM54XX_ECR 0x10 /* BCM54xx extended control register */ #define MII_BCM54XX_ECR_IM 0x1000 /* Interrupt mask */ @@ -117,6 +123,7 @@ #define MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE 0x0200 #define MII_BCM54XX_EXP_EXP75 0x0f75 #define MII_BCM54XX_EXP_EXP75_VDACCTRL 0x003c +#define MII_BCM54XX_EXP_EXP75_CM_OSC 0x0001 #define MII_BCM54XX_EXP_EXP96 0x0f96 #define MII_BCM54XX_EXP_EXP96_MYST 0x0010 #define MII_BCM54XX_EXP_EXP97 0x0f97 @@ -141,6 +148,35 @@ #define PHY_BCM_FLAGS_MODE_1000BX 0x00000002 #define PHY_BCM_FLAGS_MODE_COPPER 0x00000001 + +/*****************************************************************************/ +/* Fast Ethernet Transceiver definitions. */ +/*****************************************************************************/ + +#define MII_BRCM_FET_INTREG 0x1a /* Interrupt register */ +#define MII_BRCM_FET_IR_MASK 0x0100 /* Mask all interrupts */ +#define MII_BRCM_FET_IR_LINK_EN 0x0200 /* Link status change enable */ +#define MII_BRCM_FET_IR_SPEED_EN 0x0400 /* Link speed change enable */ +#define MII_BRCM_FET_IR_DUPLEX_EN 0x0800 /* Duplex mode change enable */ +#define MII_BRCM_FET_IR_ENABLE 0x4000 /* Interrupt enable */ + +#define MII_BRCM_FET_BRCMTEST 0x1f /* Brcm test register */ +#define MII_BRCM_FET_BT_SRE 0x0080 /* Shadow register enable */ + + +/*** Shadow register definitions ***/ + +#define MII_BRCM_FET_SHDW_MISCCTRL 0x10 /* Shadow misc ctrl */ +#define MII_BRCM_FET_SHDW_MC_FAME 0x4000 /* Force Auto MDIX enable */ + +#define MII_BRCM_FET_SHDW_AUXMODE4 0x1a /* Auxiliary mode 4 */ +#define MII_BRCM_FET_SHDW_AM4_LED_MASK 0x0003 +#define MII_BRCM_FET_SHDW_AM4_LED_MODE1 0x0001 + +#define MII_BRCM_FET_SHDW_AUXSTAT2 0x1b /* Auxiliary status 2 */ +#define MII_BRCM_FET_SHDW_AS2_APDE 0x0020 /* Auto power down enable */ + + MODULE_DESCRIPTION("Broadcom PHY driver"); MODULE_AUTHOR("Maciej W. Rozycki"); MODULE_LICENSE("GPL"); @@ -164,7 +200,7 @@ static int bcm54xx_shadow_write(struct phy_device *phydev, u16 shadow, u16 val) } /* Indirect register access functions for the Expansion Registers */ -static int bcm54xx_exp_read(struct phy_device *phydev, u8 regnum) +static int bcm54xx_exp_read(struct phy_device *phydev, u16 regnum) { int val; @@ -278,6 +314,33 @@ static int bcm54xx_config_init(struct phy_device *phydev) return err; } + if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) { + int err2; + + 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; + + reg = bcm54xx_exp_read(phydev, MII_BCM54XX_EXP_EXP75); + if (reg < 0) + goto error; + + reg |= MII_BCM54XX_EXP_EXP75_CM_OSC; + err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75, reg); + +error: + err2 = bcm54xx_auxctl_write(phydev, + MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL, + MII_BCM54XX_AUXCTL_ACTL_TX_6DB); + if (err) + return err; + if (err2) + return err2; + } + return 0; } @@ -435,6 +498,114 @@ static int bcm5481_config_aneg(struct phy_device *phydev) return ret; } +static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set) +{ + int val; + + val = phy_read(phydev, reg); + if (val < 0) + return val; + + return phy_write(phydev, reg, val | set); +} + +static int brcm_fet_config_init(struct phy_device *phydev) +{ + int reg, err, err2, brcmtest; + + /* Reset the PHY to bring it to a known state. */ + err = phy_write(phydev, MII_BMCR, BMCR_RESET); + if (err < 0) + return err; + + reg = phy_read(phydev, MII_BRCM_FET_INTREG); + if (reg < 0) + return reg; + + /* Unmask events we are interested in and mask interrupts globally. */ + reg = MII_BRCM_FET_IR_DUPLEX_EN | + MII_BRCM_FET_IR_SPEED_EN | + MII_BRCM_FET_IR_LINK_EN | + MII_BRCM_FET_IR_ENABLE | + MII_BRCM_FET_IR_MASK; + + err = phy_write(phydev, MII_BRCM_FET_INTREG, reg); + if (err < 0) + return err; + + /* Enable shadow register access */ + brcmtest = phy_read(phydev, MII_BRCM_FET_BRCMTEST); + if (brcmtest < 0) + return brcmtest; + + reg = brcmtest | MII_BRCM_FET_BT_SRE; + + err = phy_write(phydev, MII_BRCM_FET_BRCMTEST, reg); + if (err < 0) + return err; + + /* Set the LED mode */ + reg = phy_read(phydev, MII_BRCM_FET_SHDW_AUXMODE4); + if (reg < 0) { + err = reg; + goto done; + } + + reg &= ~MII_BRCM_FET_SHDW_AM4_LED_MASK; + reg |= MII_BRCM_FET_SHDW_AM4_LED_MODE1; + + err = phy_write(phydev, MII_BRCM_FET_SHDW_AUXMODE4, reg); + if (err < 0) + goto done; + + /* Enable auto MDIX */ + err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_MISCCTRL, + MII_BRCM_FET_SHDW_MC_FAME); + if (err < 0) + goto done; + + /* Enable auto power down */ + err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2, + MII_BRCM_FET_SHDW_AS2_APDE); + +done: + /* Disable shadow register access */ + err2 = phy_write(phydev, MII_BRCM_FET_BRCMTEST, brcmtest); + if (!err) + err = err2; + + return err; +} + +static int brcm_fet_ack_interrupt(struct phy_device *phydev) +{ + int reg; + + /* Clear pending interrupts. */ + reg = phy_read(phydev, MII_BRCM_FET_INTREG); + if (reg < 0) + return reg; + + return 0; +} + +static int brcm_fet_config_intr(struct phy_device *phydev) +{ + int reg, err; + + reg = phy_read(phydev, MII_BRCM_FET_INTREG); + if (reg < 0) + return reg; + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + reg &= ~MII_BRCM_FET_IR_MASK; + else + reg |= MII_BRCM_FET_IR_MASK; + + err = phy_write(phydev, MII_BRCM_FET_INTREG, reg); + return err; +} + static struct phy_driver bcm5411_driver = { .phy_id = 0x00206070, .phy_id_mask = 0xfffffff0, @@ -447,7 +618,7 @@ static struct phy_driver bcm5411_driver = { .read_status = genphy_read_status, .ack_interrupt = bcm54xx_ack_interrupt, .config_intr = bcm54xx_config_intr, - .driver = { .owner = THIS_MODULE }, + .driver = { .owner = THIS_MODULE }, }; static struct phy_driver bcm5421_driver = { @@ -462,7 +633,7 @@ static struct phy_driver bcm5421_driver = { .read_status = genphy_read_status, .ack_interrupt = bcm54xx_ack_interrupt, .config_intr = bcm54xx_config_intr, - .driver = { .owner = THIS_MODULE }, + .driver = { .owner = THIS_MODULE }, }; static struct phy_driver bcm5461_driver = { @@ -477,7 +648,7 @@ static struct phy_driver bcm5461_driver = { .read_status = genphy_read_status, .ack_interrupt = bcm54xx_ack_interrupt, .config_intr = bcm54xx_config_intr, - .driver = { .owner = THIS_MODULE }, + .driver = { .owner = THIS_MODULE }, }; static struct phy_driver bcm5464_driver = { @@ -492,7 +663,7 @@ static struct phy_driver bcm5464_driver = { .read_status = genphy_read_status, .ack_interrupt = bcm54xx_ack_interrupt, .config_intr = bcm54xx_config_intr, - .driver = { .owner = THIS_MODULE }, + .driver = { .owner = THIS_MODULE }, }; static struct phy_driver bcm5481_driver = { @@ -507,7 +678,7 @@ static struct phy_driver bcm5481_driver = { .read_status = genphy_read_status, .ack_interrupt = bcm54xx_ack_interrupt, .config_intr = bcm54xx_config_intr, - .driver = { .owner = THIS_MODULE }, + .driver = { .owner = THIS_MODULE }, }; static struct phy_driver bcm5482_driver = { @@ -522,7 +693,7 @@ static struct phy_driver bcm5482_driver = { .read_status = bcm5482_read_status, .ack_interrupt = bcm54xx_ack_interrupt, .config_intr = bcm54xx_config_intr, - .driver = { .owner = THIS_MODULE }, + .driver = { .owner = THIS_MODULE }, }; static struct phy_driver bcm50610_driver = { @@ -537,11 +708,26 @@ static struct phy_driver bcm50610_driver = { .read_status = genphy_read_status, .ack_interrupt = bcm54xx_ack_interrupt, .config_intr = bcm54xx_config_intr, - .driver = { .owner = THIS_MODULE }, + .driver = { .owner = THIS_MODULE }, +}; + +static struct phy_driver bcm50610m_driver = { + .phy_id = PHY_ID_BCM50610M, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCM50610M", + .features = PHY_GBIT_FEATURES | + SUPPORTED_Pause | SUPPORTED_Asym_Pause, + .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, + .config_init = bcm54xx_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = bcm54xx_ack_interrupt, + .config_intr = bcm54xx_config_intr, + .driver = { .owner = THIS_MODULE }, }; static struct phy_driver bcm57780_driver = { - .phy_id = 0x03625d90, + .phy_id = PHY_ID_BCM57780, .phy_id_mask = 0xfffffff0, .name = "Broadcom BCM57780", .features = PHY_GBIT_FEATURES | @@ -552,7 +738,22 @@ static struct phy_driver bcm57780_driver = { .read_status = genphy_read_status, .ack_interrupt = bcm54xx_ack_interrupt, .config_intr = bcm54xx_config_intr, - .driver = { .owner = THIS_MODULE }, + .driver = { .owner = THIS_MODULE }, +}; + +static struct phy_driver bcmac131_driver = { + .phy_id = 0x0143bc70, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCMAC131", + .features = PHY_BASIC_FEATURES | + SUPPORTED_Pause | SUPPORTED_Asym_Pause, + .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, + .config_init = brcm_fet_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = brcm_fet_ack_interrupt, + .config_intr = brcm_fet_config_intr, + .driver = { .owner = THIS_MODULE }, }; static int __init broadcom_init(void) @@ -580,12 +781,22 @@ static int __init broadcom_init(void) ret = phy_driver_register(&bcm50610_driver); if (ret) goto out_50610; + ret = phy_driver_register(&bcm50610m_driver); + if (ret) + goto out_50610m; ret = phy_driver_register(&bcm57780_driver); if (ret) goto out_57780; + ret = phy_driver_register(&bcmac131_driver); + if (ret) + goto out_ac131; return ret; +out_ac131: + phy_driver_unregister(&bcm57780_driver); out_57780: + phy_driver_unregister(&bcm50610m_driver); +out_50610m: phy_driver_unregister(&bcm50610_driver); out_50610: phy_driver_unregister(&bcm5482_driver); @@ -605,7 +816,9 @@ out_5411: static void __exit broadcom_exit(void) { + phy_driver_unregister(&bcmac131_driver); phy_driver_unregister(&bcm57780_driver); + phy_driver_unregister(&bcm50610m_driver); phy_driver_unregister(&bcm50610_driver); phy_driver_unregister(&bcm5482_driver); phy_driver_unregister(&bcm5481_driver); |