diff options
Diffstat (limited to 'target/linux/generic/files/drivers/net/phy/mvsw61xx.c')
| -rw-r--r-- | target/linux/generic/files/drivers/net/phy/mvsw61xx.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/generic/files/drivers/net/phy/mvsw61xx.c b/target/linux/generic/files/drivers/net/phy/mvsw61xx.c index e6074e35f3..6bd112b00d 100644 --- a/target/linux/generic/files/drivers/net/phy/mvsw61xx.c +++ b/target/linux/generic/files/drivers/net/phy/mvsw61xx.c @@ -173,6 +173,27 @@ mvsw61xx_mdio_write(struct switch_dev *dev, int addr, int reg, u16 val) } static int +mvsw61xx_mdio_page_read(struct switch_dev *dev, int port, int page, int reg) +{ + int ret; + + mvsw61xx_mdio_write(dev, port, MII_MV_PAGE, page); + ret = mvsw61xx_mdio_read(dev, port, reg); + mvsw61xx_mdio_write(dev, port, MII_MV_PAGE, 0); + + return ret; +} + +static void +mvsw61xx_mdio_page_write(struct switch_dev *dev, int port, int page, int reg, + u16 val) +{ + mvsw61xx_mdio_write(dev, port, MII_MV_PAGE, page); + mvsw61xx_mdio_write(dev, port, reg, val); + mvsw61xx_mdio_write(dev, port, MII_MV_PAGE, 0); +} + +static int mvsw61xx_get_port_mask(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { @@ -591,6 +612,19 @@ static int mvsw61xx_apply(struct switch_dev *dev) return mvsw61xx_update_state(dev); } +static void mvsw61xx_enable_serdes(struct switch_dev *dev) +{ + int bmcr = mvsw61xx_mdio_page_read(dev, MV_REG_FIBER_SERDES, + MV_PAGE_FIBER_SERDES, MII_BMCR); + if (bmcr < 0) + return; + + if (bmcr & BMCR_PDOWN) + mvsw61xx_mdio_page_write(dev, MV_REG_FIBER_SERDES, + MV_PAGE_FIBER_SERDES, MII_BMCR, + bmcr & ~BMCR_PDOWN); +} + static int _mvsw61xx_reset(struct switch_dev *dev, bool full) { struct mvsw61xx_state *state = get_state(dev); @@ -635,6 +669,18 @@ static int _mvsw61xx_reset(struct switch_dev *dev, bool full) BMCR_ANENABLE | BMCR_FULLDPLX | BMCR_SPEED1000); } + + /* enable SerDes if necessary */ + if (full && i >= 5 && state->model == MV_IDENT_VALUE_6176) { + u16 sts = sr16(dev, MV_PORTREG(STATUS, i)); + u16 mode = sts & MV_PORT_STATUS_CMODE_MASK; + + if (mode == MV_PORT_STATUS_CMODE_100BASE_X || + mode == MV_PORT_STATUS_CMODE_1000BASE_X || + mode == MV_PORT_STATUS_CMODE_SGMII) { + mvsw61xx_enable_serdes(dev); + } + } } for (i = 0; i < dev->vlans; i++) { |