diff options
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/Kconfig | 11 | ||||
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/chip.c | 4 | ||||
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/global2.h | 58 |
4 files changed, 74 insertions, 1 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/Kconfig b/drivers/net/dsa/mv88e6xxx/Kconfig index ac77737bbd87..486668813e15 100644 --- a/drivers/net/dsa/mv88e6xxx/Kconfig +++ b/drivers/net/dsa/mv88e6xxx/Kconfig @@ -6,3 +6,14 @@ config NET_DSA_MV88E6XXX help This driver adds support for most of the Marvell 88E6xxx models of Ethernet switch chips, except 88E6060. + +config NET_DSA_MV88E6XXX_GLOBAL2 + bool "Switch Global 2 Registers support" + default y + depends on NET_DSA_MV88E6XXX + help + This registers set at internal SMI address 0x1C provides extended + features like EEPROM interface, trunking, cross-chip setup, etc. + + It is required on most chips. If the chip you compile the support for + doesn't have such registers set, say N here. In doubt, say Y. diff --git a/drivers/net/dsa/mv88e6xxx/Makefile b/drivers/net/dsa/mv88e6xxx/Makefile index 5a4206652e92..697103934317 100644 --- a/drivers/net/dsa/mv88e6xxx/Makefile +++ b/drivers/net/dsa/mv88e6xxx/Makefile @@ -1,3 +1,3 @@ obj-$(CONFIG_NET_DSA_MV88E6XXX) += mv88e6xxx.o mv88e6xxx-objs := chip.o -mv88e6xxx-objs += global2.o +mv88e6xxx-$(CONFIG_NET_DSA_MV88E6XXX_GLOBAL2) += global2.o diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 745e1588d83c..70a812d159c9 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -3444,6 +3444,10 @@ static int mv88e6xxx_detect(struct mv88e6xxx_chip *chip) /* Update the compatible info with the probed one */ chip->info = info; + err = mv88e6xxx_g2_require(chip); + if (err) + return err; + dev_info(chip->dev, "switch 0x%x detected: %s, revision %u\n", chip->info->prod_num, chip->info->name, rev); diff --git a/drivers/net/dsa/mv88e6xxx/global2.h b/drivers/net/dsa/mv88e6xxx/global2.h index bee1bc98fd97..c4bb9035ee3a 100644 --- a/drivers/net/dsa/mv88e6xxx/global2.h +++ b/drivers/net/dsa/mv88e6xxx/global2.h @@ -16,6 +16,13 @@ #include "mv88e6xxx.h" +#ifdef CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 + +static inline int mv88e6xxx_g2_require(struct mv88e6xxx_chip *chip) +{ + return 0; +} + int mv88e6xxx_g2_smi_phy_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val); int mv88e6xxx_g2_smi_phy_write(struct mv88e6xxx_chip *chip, int addr, int reg, @@ -27,4 +34,55 @@ int mv88e6xxx_g2_set_eeprom16(struct mv88e6xxx_chip *chip, struct ethtool_eeprom *eeprom, u8 *data); int mv88e6xxx_g2_setup(struct mv88e6xxx_chip *chip); +#else /* !CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 */ + +static inline int mv88e6xxx_g2_require(struct mv88e6xxx_chip *chip) +{ + if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_GLOBAL2)) { + dev_err(chip->dev, "this chip requires CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 enabled\n"); + return -EOPNOTSUPP; + } + + return 0; +} + +static inline int mv88e6xxx_g2_smi_phy_read(struct mv88e6xxx_chip *chip, + int addr, int reg, u16 *val) +{ + return -EOPNOTSUPP; +} + +static inline int mv88e6xxx_g2_smi_phy_write(struct mv88e6xxx_chip *chip, + int addr, int reg, u16 val) +{ + return -EOPNOTSUPP; +} + +static inline int mv88e6xxx_g2_set_switch_mac(struct mv88e6xxx_chip *chip, + u8 *addr) +{ + return -EOPNOTSUPP; +} + +static inline int mv88e6xxx_g2_get_eeprom16(struct mv88e6xxx_chip *chip, + struct ethtool_eeprom *eeprom, + u8 *data) +{ + return -EOPNOTSUPP; +} + +static inline int mv88e6xxx_g2_set_eeprom16(struct mv88e6xxx_chip *chip, + struct ethtool_eeprom *eeprom, + u8 *data) +{ + return -EOPNOTSUPP; +} + +static inline int mv88e6xxx_g2_setup(struct mv88e6xxx_chip *chip) +{ + return -EOPNOTSUPP; +} + +#endif /* CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 */ + #endif /* _MV88E6XXX_GLOBAL2_H */ |