diff options
Diffstat (limited to 'drivers/net/phy')
| -rw-r--r-- | drivers/net/phy/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/net/phy/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/phy/bcm63xx.c | 132 |
3 files changed, 139 insertions, 0 deletions
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index de9cf5136fdc..d5d8e1c5bc91 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -56,6 +56,12 @@ config BROADCOM_PHY Currently supports the BCM5411, BCM5421, BCM5461, BCM5464, BCM5481 and BCM5482 PHYs. +config BCM63XX_PHY + tristate "Drivers for Broadcom 63xx SOCs internal PHY" + depends on BCM63XX + ---help--- + Currently supports the 6348 and 6358 PHYs. + config ICPLUS_PHY tristate "Drivers for ICPlus PHYs" ---help--- diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index 3a1bfefefbc3..edfaac48cbd5 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_QSEMI_PHY) += qsemi.o obj-$(CONFIG_SMSC_PHY) += smsc.o obj-$(CONFIG_VITESSE_PHY) += vitesse.o obj-$(CONFIG_BROADCOM_PHY) += broadcom.o +obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o obj-$(CONFIG_ICPLUS_PHY) += icplus.o obj-$(CONFIG_REALTEK_PHY) += realtek.o obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o diff --git a/drivers/net/phy/bcm63xx.c b/drivers/net/phy/bcm63xx.c new file mode 100644 index 000000000000..4fed95e8350e --- /dev/null +++ b/drivers/net/phy/bcm63xx.c @@ -0,0 +1,132 @@ +/* + * Driver for Broadcom 63xx SOCs integrated PHYs + * + * 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 <linux/module.h> +#include <linux/phy.h> + +#define MII_BCM63XX_IR 0x1a /* interrupt register */ +#define MII_BCM63XX_IR_EN 0x4000 /* global interrupt enable */ +#define MII_BCM63XX_IR_DUPLEX 0x0800 /* duplex changed */ +#define MII_BCM63XX_IR_SPEED 0x0400 /* speed changed */ +#define MII_BCM63XX_IR_LINK 0x0200 /* link changed */ +#define MII_BCM63XX_IR_GMASK 0x0100 /* global interrupt mask */ + +MODULE_DESCRIPTION("Broadcom 63xx internal PHY driver"); +MODULE_AUTHOR("Maxime Bizon <mbizon@freebox.fr>"); +MODULE_LICENSE("GPL"); + +static int bcm63xx_config_init(struct phy_device *phydev) +{ + int reg, err; + + reg = phy_read(phydev, MII_BCM63XX_IR); + if (reg < 0) + return reg; + + /* Mask interrupts globally. */ + reg |= MII_BCM63XX_IR_GMASK; + err = phy_write(phydev, MII_BCM63XX_IR, reg); + if (err < 0) + return err; + + /* Unmask events we are interested in */ + reg = ~(MII_BCM63XX_IR_DUPLEX | + MII_BCM63XX_IR_SPEED | + MII_BCM63XX_IR_LINK) | + MII_BCM63XX_IR_EN; + err = phy_write(phydev, MII_BCM63XX_IR, reg); + if (err < 0) + return err; + return 0; +} + +static int bcm63xx_ack_interrupt(struct phy_device *phydev) +{ + int reg; + + /* Clear pending interrupts. */ + reg = phy_read(phydev, MII_BCM63XX_IR); + if (reg < 0) + return reg; + + return 0; +} + +static int bcm63xx_config_intr(struct phy_device *phydev) +{ + int reg, err; + + reg = phy_read(phydev, MII_BCM63XX_IR); + if (reg < 0) + return reg; + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + reg &= ~MII_BCM63XX_IR_GMASK; + else + reg |= MII_BCM63XX_IR_GMASK; + + err = phy_write(phydev, MII_BCM63XX_IR, reg); + return err; +} + +static struct phy_driver bcm63xx_1_driver = { + .phy_id = 0x00406000, + .phy_id_mask = 0xfffffc00, + .name = "Broadcom BCM63XX (1)", + /* ASYM_PAUSE bit is marked RO in datasheet, so don't cheat */ + .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause), + .flags = PHY_HAS_INTERRUPT, + .config_init = bcm63xx_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = bcm63xx_ack_interrupt, + .config_intr = bcm63xx_config_intr, + .driver = { .owner = THIS_MODULE }, +}; + +/* same phy as above, with just a different OUI */ +static struct phy_driver bcm63xx_2_driver = { + .phy_id = 0x002bdc00, + .phy_id_mask = 0xfffffc00, + .name = "Broadcom BCM63XX (2)", + .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause), + .flags = PHY_HAS_INTERRUPT, + .config_init = bcm63xx_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = bcm63xx_ack_interrupt, + .config_intr = bcm63xx_config_intr, + .driver = { .owner = THIS_MODULE }, +}; + +static int __init bcm63xx_phy_init(void) +{ + int ret; + + ret = phy_driver_register(&bcm63xx_1_driver); + if (ret) + goto out_63xx_1; + ret = phy_driver_register(&bcm63xx_2_driver); + if (ret) + goto out_63xx_2; + return ret; + +out_63xx_2: + phy_driver_unregister(&bcm63xx_1_driver); +out_63xx_1: + return ret; +} + +static void __exit bcm63xx_phy_exit(void) +{ + phy_driver_unregister(&bcm63xx_1_driver); + phy_driver_unregister(&bcm63xx_2_driver); +} + +module_init(bcm63xx_phy_init); +module_exit(bcm63xx_phy_exit); |